/* =============================================
   WOOHWAHAE — Design System v7.0
   "절제된 편집자 — 날것의 질감"
   IBM Plex Mono (label) + Pretendard Variable (body)
   Crimson Text (accent serif, minimal)
   ============================================= */

/* ─── Fonts ─── */
/* 레이블/헤딩: IBM Plex Mono 300 1순위 (DM Mono는 fallback — 작고 정밀한 uppercase)
   본문 보조: IBM Plex Mono 300 (밀도감 있는 보조 본문)
   메인 본문: Pretendard (한국어 가독성)
   포인트 세리프: Crimson Text (최소 사용) */
/* fonts: HTML <head>로 이전 — @import 직렬 블로킹 제거 */

/* ─── CSS Variables ─── */
:root {
  /* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
     PRIMARY PALETTE (Monochrome 90%+)
     "낡은 종이 위의 잉크"
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
  --bg: #E3E2E0;
  /* 메인 배경 (중립 그레이) */
  --bg-dark: #DDDCDA;
  /* 보조 배경, hover 상태 */
  --text: #1a1a1a;
  /* 본문 텍스트 (잉크) */
  --text-sub: #4a4a4a;
  /* 보조 텍스트 (nav 링크) */
  --text-faint: #7A7A74;
  /* 희미한 텍스트 (캡션, 날짜, 저대비 허용 구역만) */
  --white: #FFFFFF;
  /* selection 텍스트, 반전 */
  --line: #D5D4CF;
  /* 구분선, a 태그 border */
  --text-main: var(--text);
  /* alias */
  --border: var(--line);
  /* alias */

  /* ━━━ SECONDARY (Warm Gray 포인트 10%) ━━━ */
  --stone-dark: #7A6E5A;
  /* 어두운 갈색 (그림자, 강조) */
  --stone-mid: #8B7355;
  /* 중간 갈색 (텍스트 포인트) */
  --stone-light: #A89880;
  /* 밝은 갈색 (배경 톤) */

  /* ━━━ OPTIONAL (Deep Navy 절제 — 10% max) ━━━ */
  --navy: #1B2D4F;
  /* ::selection, blockquote border ONLY */
  /* 금지: placeholder, 범용 border, button background */

  /* Typography */
  --font-body: 'Pretendard Variable', 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', 'DM Mono', 'SF Mono', 'Fira Mono', 'Consolas', monospace;
  --font-mono-body: 'IBM Plex Mono', 'DM Mono', 'Menlo', monospace;
  --font-serif: 'Pretendard Variable', 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
  --font-serif-slab: 'Pretendard Variable', 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;

  /* Letter-spacing tokens */
  --ls-label: 0.10em;
  /* nav, section-label, small mono text */
  --ls-wide: 0.16em;
  /* archive category, filter buttons */
  --ls-heading: -0.03em;
  /* h1, h2 headings */
  --ls-tight: -0.01em;
  /* body titles, sub-headings */

  /* Font-weight tokens */
  --fw-thin: 200;
  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;

  /* Spacing — 여백 60%+ 원칙 */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  --space-2xl: 12rem;

  /* Max widths */
  --max-content: 680px;
  --max-wide: 960px;

  /* Glassmorphism System (Apple-like) */
  --glass-surface: rgba(255, 255, 255, 0);
  /* Create Pure Glass (Only Blur) */
  --glass-blur: saturate(180%) blur(20px);
  /* The secret sauce for vibrancy */
  --glass-border: rgba(0, 0, 0, 0.05);
  /* Ultra-subtle cut */

  /* Transitions - Premium Feel */
  /* Apple-style ease out expo */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --duration: 0.6s;
  /* Slower, more deliberate */
  --duration-slow: 1.2s;

  /* Wave / Frequency System — 브랜드 파동 철학 기반 */
  /* 기준: 인간 호흡 ~0.27Hz → 주기 3.8s */
  --breath: 3.8s;
  --breath-half: 1.9s;
  --breath-quarter: 0.95s;
  /* easing 계열 */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  /* 내쉬는 곡선 (기존 --ease와 동일) */
  --ease-in-out: cubic-bezier(0.42, 0, 0.58, 1);
  /* 들이쉬고 내쉬는 곡선 */
  --ease-wave: cubic-bezier(0.37, 0, 0.63, 1);
  /* 파동 = 정현파에 가까운 S곡선 */
}

/* 시간대별 호흡 주기 변조 */
:root.time-dawn {
  --breath: 4.8s;
}

/* 새벽 — 가장 긴 호흡 */
:root.time-day {
  --breath: 3.8s;
}

/* 낮 — 기준 */
:root.time-evening {
  --breath: 4.2s;
}

/* 저녁 — 약간 느려짐 */
:root.time-night {
  --breath: 5.2s;
}

/* 밤 — 가장 긴 호흡 */

/* ─── Reset ─── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* 모바일 nav 열림 시 body 스크롤 잠금 */
body.nav-open {
  overflow: hidden;
}

html {
  font-size: 18px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 2.0;
  letter-spacing: 0.01em;
  position: relative;
  /* For Grain Overlay */
  word-break: keep-all;
  overflow-wrap: break-word;
  overflow-x: hidden;
}

/* ─── Global Film Grain ─── */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

/* ─── Brand Highlight (Sensory) ─── */
::selection {
  background: var(--navy);
  color: var(--white);
  text-shadow: none;
  font-family: var(--font-serif);
  font-style: italic;
}

/* ─── View Transitions (MPA) ─── */
@view-transition {
  navigation: auto;
}

/* ─── Typography ─── */
h1,
h2,
h3,
h4 {
  font-weight: 400;
  letter-spacing: -0.03em;
  /* Tighter default */
  line-height: 1.2;
}

h1 {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-left: -0.02em;
}

h2 {
  font-size: clamp(1.2rem, 2.8vw, 1.8rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.2rem;
}

/* 세리프 이탤릭 — 영문 포인트 강조용 (최소 사용) */
.en {
  font-family: var(--font-serif);
  font-style: italic;
}

p {
  margin-bottom: 1.6em;
  color: var(--text);
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--duration) var(--ease);
}

a:hover {
  border-color: var(--text);
}

/* ─── Layout ─── */
.container {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container--wide {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ─── Navigation ─── */
.nav-main {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md) var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: rgba(250, 250, 247, 0.3);
  transition: background-color 0.3s var(--ease), padding 0.3s var(--ease), backdrop-filter 0.3s var(--ease);
}

.nav-main.scrolled {
  background-color: var(--glass-surface);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
  /* Soft ambient shadow */
}

.nav-logo {
  border-bottom: none;
  display: flex;
  align-items: center;
  font-size: 0;
  background: transparent;
}

.nav-symbol {
  width: 32px;
  height: 32px;
  display: block;
  flex-shrink: 0;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.nav-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  border-bottom: none;
  color: var(--text-sub);
  transition: color var(--duration) var(--ease);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-lang-toggle {
  background: transparent !important;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: var(--fw-light);
  letter-spacing: 0.1em;
  color: var(--text-sub);
  cursor: pointer;
  padding: 0.5rem;
  margin-left: auto;
  margin-right: var(--space-sm);
  transition: color var(--duration) var(--ease);
}

.nav-lang-toggle:hover {
  color: var(--text);
}

/* ─── Mobile Navigation ─── */
.nav-toggle {
  display: none;
  /* 데스크탑 기본 숨김 — 1100px에서 flex로 변경 */
  background: transparent !important;
  border: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
  position: relative;
  z-index: 101;
  align-items: center;
  justify-content: center;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--text);
  position: absolute;
  left: calc(50% - 11px);
  transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease);
}

.nav-toggle span:nth-child(1) {
  top: calc(50% - 6px);
}

.nav-toggle span:nth-child(2) {
  top: 50%;
}

.nav-toggle span:nth-child(3) {
  top: calc(50% + 6px);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg);
  top: 50%;
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg);
  top: 50%;
}

/* ─── Hero ─── */
.hero {
  min-height: 40vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(60px + var(--space-md)) var(--space-md) var(--space-lg);
}

/* ─── Hero 단일 컬럼 ─── */
.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  width: 100%;
  max-width: calc(100vw - 64px);
}

/* ─── Hero Graphic ─── */
.hero-graphic {
  width: clamp(160px, 40vw, 280px);
  height: auto;
  aspect-ratio: 1;
  color: var(--text);
  display: block;
  margin: 0 auto;
  flex-shrink: 0;
}

/* 동심원 — 안에서 밖으로 순차 fade-in + 미세 pulse */
.hg-ring {
  opacity: 0;
  stroke-width: 0.8;
  animation: hg-ring-in 1s var(--ease) forwards, hg-pulse 6s ease-in-out infinite;
  animation-play-state: paused;
}

.hg-ring-1 {
  animation-delay: 0.2s, 3s;
}

.hg-ring-2 {
  animation-delay: 0.5s, 3.4s;
}

.hg-ring-3 {
  animation-delay: 0.8s, 3.8s;
}

.hg-ring-4 {
  animation-delay: 1.1s, 4.2s;
}

@keyframes hg-ring-in {
  to {
    opacity: 0.45;
  }
}

@keyframes hg-pulse {

  0%,
  100% {
    opacity: 0.30;
  }

  50% {
    opacity: 0.55;
  }
}

/* 나선 — stroke-dashoffset으로 안→밖 드로잉 */
.hg-spiral {
  opacity: 0;
  stroke-dasharray: 2200;
  stroke-dashoffset: 2200;
  animation:
    hg-spiral-draw 3.6s cubic-bezier(0.25, 0, 0.4, 1) 0.6s forwards,
    hg-spiral-breathe 7s ease-in-out 4.2s infinite;
  animation-play-state: paused;
}

@keyframes hg-spiral-draw {
  0% {
    stroke-dashoffset: 2200;
    opacity: 0;
  }

  5% {
    opacity: 0.8;
  }

  100% {
    stroke-dashoffset: 0;
    opacity: 0.75;
  }
}

@keyframes hg-spiral-breathe {

  0%,
  100% {
    opacity: 0.6;
  }

  50% {
    opacity: 0.85;
  }
}

/* 중심점 */
.hg-now {
  opacity: 0;
  transform-origin: 200px 200px;
  animation:
    hg-now-appear 0.5s var(--ease) 0.3s forwards,
    hg-now-pulse 4s ease-in-out 0.8s infinite;
  animation-play-state: paused;
}

@keyframes hg-now-appear {
  to {
    opacity: 1;
  }
}

@keyframes hg-now-pulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 0.8;
  }

  50% {
    transform: scale(1.8);
    opacity: 1;
  }
}

/* ECG 파형 — 심전도 리듬 느낌 */
.hg-wave {
  opacity: 0;
  stroke-width: 1;
  animation: hg-wave-in 1.2s var(--ease) 1.8s forwards,
    hg-wave-shimmer 3s ease-in-out 3s infinite;
  animation-play-state: paused;
}

@keyframes hg-wave-in {
  from {
    opacity: 0;
    stroke-dashoffset: 400;
  }

  to {
    opacity: 0.35;
    stroke-dashoffset: 0;
  }
}

@keyframes hg-wave-shimmer {

  0%,
  100% {
    opacity: 0.30;
  }

  50% {
    opacity: 0.45;
  }
}

/* ─── 극소 화면: ~374px ─── */
@media (max-width: 374px) {
  html {
    font-size: 15px;
  }

  .hero {
    padding: 3rem var(--space-sm) 2rem;
  }

  .hero-platform-def {
    font-size: 0.75rem;
    letter-spacing: 0.03em;
  }
}

/* ─── 데스크탑: 768px+ ─── */
@media (min-width: 768px) {
  .hero-platform-def {
    white-space: nowrap;
    width: max-content;
    font-size: 0.83rem;
  }
}

.hero-cta {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--text);
  padding-bottom: 2px;
  transition: opacity 0.3s;
}

.hero-cta:hover {
  opacity: 0.5;
}

/* 브랜드 호흡 애니메이션 */
@keyframes home-breathe {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.82;
  }
}

.fb-statement {
  animation: home-fade-up 1.2s var(--ease-out) 0.4s both,
    home-breathe var(--breath) var(--ease-in-out) 1.6s infinite;
}

.fb-brand {
  animation: home-fade-up 1.2s var(--ease-out) 0.7s both,
    home-breathe var(--breath) var(--ease-in-out) 1.9s infinite;
}

/* fb--nav 텍스트 stagger reveal */
.fb--nav a:nth-child(1) {
  transition-delay: 0s;
}

.fb--nav a:nth-child(2) {
  transition-delay: 0.062s;
}

.fb--nav a:nth-child(3) {
  transition-delay: 0.124s;
}

.hero-index-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-wide);
  color: var(--text-faint);
  text-transform: uppercase;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-md);
}

.hero-title {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  letter-spacing: -0.03em;
  max-width: 560px;
  margin-bottom: var(--space-lg);
}

.hero-subtitle {
  font-size: 0.9rem;
  color: var(--text-sub);
  max-width: 320px;
  line-height: 1.7;
  border-bottom: none;
}

.hero-platform {
  margin-top: var(--space-lg);
  max-width: 560px;
  border-top: 1px solid var(--line);
  padding-top: var(--space-md);
}

.hero-platform-def {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 2.5vw, 1.15rem);
  font-weight: var(--fw-light);
  color: var(--text);
  letter-spacing: 0.01em;
  line-height: 1.4;
  word-break: keep-all;
  white-space: normal;
  text-align: center;
}

.hero-platform-body {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  color: var(--text-faint);
  line-height: 2.0;
  margin-bottom: 0;
  text-transform: uppercase;
}

/* ─── Global Grain Texture (MIA) ─── */
section {
  padding: var(--space-lg) 0;
}

@media (max-width: 768px) {

  /* iOS zoom 방지 — 모든 input font-size 최소 16px */
  input,
  select,
  textarea {
    font-size: 16px !important;
  }

  /* ── 모바일 spacing 토큰 전면 축소 ── */
  :root {
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.75rem;
    --space-xl: 2.5rem;
    --space-2xl: 3.5rem;
  }

  section {
    padding: 1.25rem 0;
  }

  /* container 좌우 패딩 축소 */
  .container,
  .container--wide {
    padding: 0 1rem;
  }

  /* 카드 텍스트 */
  .archive-card-title {
    font-size: 0.88rem;
  }

  .archive-card-preview {
    display: none;
  }

  /* index-grid 모바일 1열 */
  .index-grid {
    grid-template-columns: 1fr;
  }

  .index-card:nth-child(odd) {
    border-right: none;
    padding-right: 0;
  }

  /* 푸터 압축 */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  /* newsletter form */
  .newsletter-form {
    flex-direction: column;
    gap: 0.5rem;
  }

  .newsletter-form button {
    width: 100%;
  }

  /* TOC 항목 패딩 줄이기 */
  .toc-item {
    padding: 1rem 0;
  }
}



section+section {
  border-top: none;
}

/* Full-viewport 섹션 (책 넘기기 느낌) */
.section--full {
  min-height: 100dvh;
  display: flex;
  align-items: center;
}

.section--full>.container,
.section--full>.container--wide {
  width: 100%;
}

/* Warm 배경 (출현/연결 상태) */
.section--warm {
  background-color: #FFFEF2;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-sm);
}

.section--dark {
  background-color: var(--bg-dark);
}

.section--light {
  background-color: var(--bg);
}

.channels-section {
  border-top: 1px solid var(--line);
}

/* ─── Table of Contents (Magazine B Index) ─── */
.toc-section {
  padding: 0;
  border-top: 1px solid var(--line);
}

.toc-list {
  list-style: none;
}

.toc-item {
  display: grid;
  grid-template-columns: 4rem 1fr 1fr;
  /* Increased numbering space */
  align-items: center;
  /* Vertically center for balance */
  padding: 2.2rem 0;
  /* More breathing room */
  border-bottom: 1px solid rgba(27, 45, 79, 0.1);
  /* Subtle Navy tint */
  transition: background-color var(--duration) var(--ease), transform var(--duration) var(--ease);
  position: relative;
}

.toc-item:last-child {
  border-bottom: 1px solid rgba(27, 45, 79, 0.1);
}

.toc-item:hover {
  background-color: transparent;
  /* Remove background fill for cleaner look */
  /* transform: translateX(10px); Removed to keep it static and dignified */
}

.toc-item-num {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--stone-mid);
  /* Warm Gray for numbers */
  font-style: italic;
  opacity: 0.5;
  transition: opacity var(--duration) var(--ease);
}

.toc-item:hover .toc-item-num {
  opacity: 1;
}

.toc-item-title {
  font-family: var(--font-body);
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  font-weight: 400;
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1.0;
  display: block;
  text-decoration: none;
  border-bottom: none !important;
  transition: color var(--duration) var(--ease);
}

.toc-item:hover .toc-item-title {
  color: var(--stone-dark);
}

.toc-item-desc {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-sub);
  text-align: right;
  padding-right: var(--space-xs);
  align-self: center;
  opacity: 0.0;
  /* Hidden by default */
  transform: translateX(-10px);
  transition: all var(--duration) var(--ease);
  letter-spacing: -0.01em;
}

.toc-item:hover .toc-item-desc {
  opacity: 1;
  transform: translateX(0);
  color: var(--text);
}

.toc-item--coming {
  opacity: 0.3;
  pointer-events: none;
}

/* Mobile adjustments */
/* Mobile & Tablet adjustments (Fold, iPad, etc.) */
@media (max-width: 1100px) {

  /* Navigation */
  nav {
    padding: var(--space-sm) var(--space-sm);
  }

  /* Backdrop */
  body.nav-open::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(26, 26, 26, 0.35);
    z-index: 99;
    pointer-events: auto;
  }

  .nav-links {
    display: flex;
    position: fixed;
    top: 0;
    right: 0;
    width: 72%;
    max-width: 320px;
    height: 100dvh;
    background: rgba(228, 226, 220, 0.97);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 2rem 2.5rem;
    gap: 2rem;
    z-index: 100;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 0.3s var(--ease), visibility 0.3s;
  }

  .nav-links.open {
    transform: translateX(0);
    visibility: visible;
  }

  .nav-links a {
    min-height: 44px;
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    letter-spacing: var(--ls-label);
  }

  .nav-toggle {
    display: flex;
    /* Show hamburger */
  }

  .hero {
    min-height: 70svh;
    justify-content: flex-end;
    padding: calc(60px + 1.5rem) var(--space-md) var(--space-lg);
  }

  /* hero-inner 2컬럼은 768px까지 유지 — 별도 미디어쿼리로 분리 */

  .hero-title {
    font-size: 2rem;
    max-width: 100%;
  }

  .hero-eyebrow,
  .hero-subtitle,
  .hero-platform {
    max-width: 100%;
  }

  .hero-platform {
    display: flex;
    flex-direction: column;
  }

  .toc-item {
    grid-template-columns: 3rem 1fr;
    padding: 1.5rem 0;
    /* More balanced padding */
  }

  .toc-item-num {
    font-size: 0.8rem;
    opacity: 0.4;
  }

  .toc-item-desc {
    display: none;
    /* Keep hidden for cleanliness */
  }

  .toc-item-title {
    font-size: 1.5rem;
  }

  /* Project Form Mobile */
  .form-field {
    margin-bottom: var(--space-md);
  }

  .form-field input,
  .form-field select,
  .form-field textarea {
    padding: 0.875rem 1rem;
    font-size: 16px;
    /* Prevent iOS zoom */
  }

  .form-field label {
    font-size: 0.875rem;
  }

  .checkbox-label {
    font-size: 0.875rem;
  }

  .form-success {
    padding: var(--space-md);
  }
}

/* ─── Content Grid (Archive Preview 3열 카드) ─── */
/* ─── Content Grid (Bento Style) ─── */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(300px, auto);
  gap: var(--space-md);
  list-style: none;
}

.bento-item {
  position: relative;
  display: flex;
  flex-direction: column;
}

/* Feature Item (2x2) */
.bento-item:nth-child(1) {
  grid-column: span 2;
  grid-row: span 2;
}

/* Wide Item (2x1) */
.bento-item:nth-child(4),
.bento-item:nth-child(7) {
  grid-column: span 2;
}

/* Mobile Fallback */
@media (max-width: 900px) {
  .bento-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }

  .bento-item:nth-child(1),
  .bento-item:nth-child(4),
  .bento-item:nth-child(7) {
    grid-column: span 1;
    grid-row: span 1;
  }

  .archive-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.content-card {
  padding: var(--space-md);
  border: 1px solid var(--line);
  background: var(--white);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease), opacity 0.4s ease;
}

.content-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
  z-index: 2;
  /* Bring to front */
}

/* ─── Bento Spotlight (Fresh UX) ─── */
/* Grid에 마우스 올렸을 때, 마우스 안 올라간 카드들 흐리게 처리 */
.bento-grid:hover .content-card:not(:hover) {
  opacity: 0.4;
  filter: grayscale(100%);
}

.content-card a {
  border-bottom: none;
  display: block;
}

.content-card-date {
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: var(--text-faint);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.content-card-title {
  font-size: 1rem;
  font-weight: 400;
  margin-bottom: 0.4em;
  line-height: 1.4;
}

.content-card-preview {
  font-size: 0.85rem;
  color: var(--text-sub);
  line-height: 1.6;
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  line-clamp: 3;
  overflow: hidden;
}

/* ─── Archive Page (Magazine B Grid) ─── */
/* ─── Archive Hero ─── */
.archive-hero {
  text-align: left;
  padding-bottom: 0;
}

.archive-hero .section-label {
  margin-bottom: var(--space-sm);
}

.archive-title {
  font-family: var(--font-body);
  font-weight: var(--fw-light);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  letter-spacing: var(--ls-heading);
  line-height: 1.15;
  margin-bottom: var(--space-sm);
}

.archive-subtitle {
  font-family: var(--font-mono-body);
  font-size: 0.82rem;
  color: var(--text-sub);
  font-weight: var(--fw-light);
  line-height: 1.8;
}

/* ─── Archive Header ─── */
.archive-header {
  padding: var(--space-xl) 0 var(--space-lg);
}

.archive-header .section-label {
  margin-bottom: var(--space-md);
}

.archive-stats {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.archive-stat-divider {
  opacity: 0.35;
}

.archive-timeline {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: var(--space-lg);
}

.timeline-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
}

.timeline-dot.filled {
  background: var(--text-main);
}

.timeline-dot.empty {
  background: transparent;
  border: 1px solid var(--line);
}

.archive-tagline {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-sub);
  letter-spacing: -0.01em;
  line-height: 1.6;
}

/* ─── Archive Section ─── */
.archive-section {
  padding-top: var(--space-md);
  padding-bottom: var(--space-xl);
  border-top: 1px solid var(--line);
  margin-top: var(--space-sm);
}

/* ─── Aesop-style Filter Bar ─── */
.archive-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--space-lg);
}

.archive-filter {
  padding: 0.5rem 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  border: none;
  background: none;
  color: var(--text-faint);
  cursor: pointer;
  transition: color var(--duration) var(--ease);
  position: relative;
  padding-bottom: var(--space-sm);
}

.archive-filter:hover {
  color: var(--text);
}

.archive-filter.active {
  color: var(--text);
}

.archive-filter.active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--text);
}

/* ─── Archive Count ─── */
.archive-count {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: var(--fw-light);
  color: var(--text-faint);
  letter-spacing: var(--ls-label);
  margin-bottom: var(--space-lg);
}

/* ─── 3-Column Card Grid ─── */
.archive-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg) var(--space-md);
  padding-bottom: var(--space-xl);
}

/* ─── Card ─── */
.archive-card {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  border-bottom: none;
}

/* Card Image — B&W (고치 상태) */
.archive-card-image {
  width: 100%;
  aspect-ratio: 3/2;
  background-color: var(--bg-dark);
  margin-bottom: var(--space-sm);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.archive-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.05);
  transition: filter 0.8s var(--ease), transform 0.8s var(--ease);
}

/* Hover → Color (나비 출현) */
.archive-card:hover .archive-card-image img {
  filter: grayscale(0%) contrast(1);
  transform: scale(1.03);
}

/* Ghost Text Placeholder (이미지 없을 때) */
.archive-card-ghost {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: var(--fw-light);
  color: var(--text-faint);
  opacity: 0.2;
  letter-spacing: 0.1em;
  line-height: 1;
  transition: opacity 0.6s var(--ease);
}

.archive-card:hover .archive-card-ghost {
  opacity: 0.3;
}

/* Grain Overlay */
.archive-card-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.3;
  pointer-events: none;
  mix-blend-mode: overlay;
  transition: opacity 0.8s var(--ease);
}

.archive-card:hover .archive-card-image::after {
  opacity: 0.1;
}

/* Category Label */
.archive-card-category {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-xs);
}

/* Card Title */
.archive-card-title {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 400;
  margin-bottom: 0.3em;
  line-height: 1.4;
  letter-spacing: var(--ls-tight);
}

/* Card Meta (Issue + Date) */
.archive-card-meta {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--text-faint);
  letter-spacing: var(--ls-label);
  margin-bottom: var(--space-xs);
  display: flex;
  gap: var(--space-sm);
}

/* Card Preview */
.archive-card-preview {
  font-family: var(--font-mono-body);
  font-size: 0.72rem;
  font-weight: var(--fw-light);
  color: var(--text-sub);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-clamp: 2;
  overflow: hidden;
}

/* Empty State */
.archive-empty {
  text-align: center;
  padding: var(--space-xl) 0;
  color: var(--text-sub);
  display: none;
}

/* ─── Page Header (서브 페이지 공통) ─── */
.page-header {
  padding-top: calc(60px + var(--space-md));
  padding-bottom: var(--space-lg);
}

@media (max-width: 768px) {
  .page-header {
    padding-top: calc(60px + var(--space-sm));
    padding-bottom: 1rem;
  }
}

.page-title {
  font-family: var(--font-body);
  font-weight: var(--fw-light);
  /* Changed from var(--fw-thin) */
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  letter-spacing: var(--ls-heading);
  line-height: 1.15;
  margin-bottom: var(--space-sm);
}

.page-desc {
  font-family: var(--font-mono-body);
  font-size: 0.82rem;
  font-weight: var(--fw-light);
  color: var(--text-sub);
  line-height: 1.85;
  max-width: 480px;
}

.page-header-desc {
  font-family: var(--font-mono-body);
  font-size: 0.8rem;
  font-weight: var(--fw-light);
  color: var(--text-sub);
  line-height: 1.85;
  max-width: 360px;
  margin-top: var(--space-md);
}

.page-intro {
  font-size: 1rem;
  color: var(--text-sub);
  line-height: 1.85;
  max-width: 480px;
  margin-top: var(--space-md);
}

/* ─── About / Service Body ─── */
/* ─── Magazine Row Layout ─── */
/* 좌: 섹션 레이블+소제목 / 우: 본문 — Kinfolk/032c 구조 */

/* fixed nav 높이 보상 — about/service/contact main */
main.container--wide {
  padding-top: calc(60px + var(--space-md));
}

@media (max-width: 768px) {
  main.container--wide {
    padding-top: calc(60px + var(--space-sm));
  }
}

.mag-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-md);
  align-items: start;
  padding: var(--space-sm) 0;
  border-top: 1px solid var(--line);
}

.mag-row+.mag-row {
  border-top: 1px solid var(--line);
}

.mag-label {
  position: sticky;
  top: calc(60px + var(--space-sm));
  min-width: 0;
  overflow-wrap: break-word;
}

.mag-label .section-label {
  margin-bottom: var(--space-sm);
}

.mag-heading {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: var(--fw-light);
  letter-spacing: -0.01em;
  color: var(--text);
  line-height: 1.45;
  max-width: 180px;
}

.mag-label-sub {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  color: var(--text-faint);
  line-height: 1.6;
  margin-top: 0.5rem;
}

/* 인트로 row — 페이지 첫 번째 row 전용 */
.mag-row--intro {
  padding-top: var(--space-md);
}

.mag-row--intro .mag-heading {
  font-family: var(--font-body);
  font-size: clamp(1.0rem, 2vw, 1.3rem);
  font-weight: var(--fw-light);
  /* Changed from var(--fw-thin) */
  line-height: 1.35;
  max-width: none;
  letter-spacing: -0.02em;
  word-break: keep-all;
}

.mag-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.mag-body p {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: var(--fw-light);
  line-height: 1.85;
  color: var(--text-sub);
  margin: 0;
  word-break: keep-all;
}

.mag-body p.lead {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: var(--fw-light);
  color: var(--text);
  line-height: 1.75;
  word-break: keep-all;
}

.mag-body .accent {
  font-style: italic;
  color: var(--text-faint);
  border-left: 2px solid var(--navy);
  padding-left: 1em;
  margin-top: var(--space-sm);
}

/* 3열 항목 그리드 (The Cycle) */
.mag-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.mag-grid-item {
  padding: var(--space-md) var(--space-sm) var(--space-md) 0;
  border-top: 1px solid var(--line);
}

.mag-grid-item+.mag-grid-item {
  padding-left: var(--space-sm);
  border-left: 1px solid var(--line);
}

.mag-grid-num {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  color: var(--text-faint);
  margin-bottom: var(--space-sm);
}

.mag-grid-title {
  font-size: 0.9rem;
  font-weight: 400;
  margin-bottom: 0.6em;
  color: var(--text);
}

.mag-grid-title .en {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: var(--fw-light);
  color: var(--text-faint);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  margin-top: 0.2em;
}

.mag-grid-desc {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: var(--fw-light);
  color: var(--text-sub);
  line-height: 1.8;
  word-break: keep-all;
}

.mag-grid-cta {
  display: inline-block;
  margin-top: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
  transition: opacity 0.2s;
}

.mag-grid-cta:hover {
  opacity: 0.5;
}

/* 모바일 */
@media (max-width: 768px) {
  .mag-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 1.25rem 0;
  }

  .mag-label {
    position: static;
    display: block;
  }

  .mag-label .section-label {
    margin-bottom: 0.25rem;
  }

  .mag-heading {
    max-width: 100%;
    font-size: 0.82rem;
    color: var(--text-faint);
  }

  .mag-grid-3 {
    grid-template-columns: 1fr;
  }

  .mag-grid-item {
    padding: 0.75rem 0;
  }

  .mag-grid-item+.mag-grid-item {
    padding-left: 0;
    border-left: none;
  }

  .mag-row--intro {
    padding-top: var(--space-md);
  }

  .mag-row--intro .mag-heading {
    font-size: 1.1rem;
    max-width: 100%;
    color: var(--text);
  }
}

/* ─── About Legacy (호환 유지) ─── */
.about-body {
  max-width: 500px;
}

.about-body p {
  font-size: 0.95rem;
  line-height: 1.9;
  word-break: keep-all;
  margin-bottom: var(--space-sm);
}

.about-body p:last-child {
  margin-bottom: 0;
}

.about-body-lead {
  font-size: 1.05rem !important;
  line-height: 1.9 !important;
}

.about-quote {
  max-width: 500px;
}

.about-quote p {
  font-size: 1rem;
  line-height: 1.95;
}

.about-quote-accent {
  font-family: var(--font-body);
  font-style: italic;
  border-left: 2px solid var(--navy);
  padding-left: 1em;
  color: var(--text-sub);
}

/* ─── About Page: Visual Enhancements ─── */

/* Canvas wave banner */
.about-wave-canvas {
  display: block;
  width: 100%;
  height: clamp(80px, 25vw, 180px);
  margin-bottom: var(--space-md);
  pointer-events: none;
}

.offering-wave-canvas {
  display: block;
  width: 100%;
  height: clamp(60px, 15vw, 100px);
  margin-bottom: var(--space-md);
  pointer-events: none;
}

/* mag-row--intro: canvas 위에 이미 시각 구분이 있으므로 border 제거 */
.mag-row--intro {
  border-top: none !important;
}

/* mag-grid-num: 세로선 + letter-spacing 강화 */
.mag-grid-num {
  font-size: 0.6rem !important;
  letter-spacing: 0.2em !important;
  border-left: 1px solid currentColor;
  padding-left: 0.5rem;
  margin-bottom: var(--space-sm);
}

/* accent: 왼쪽 세로선 3px 강화 */
.mag-body .accent {
  border-left: 3px solid rgba(26, 26, 26, 0.15);
  padding-left: 1rem;
  font-style: italic;
  color: var(--text-faint);
  margin-top: var(--space-sm);
}

/* section-label: mag-label 안에서만 수평선 뻗기 효과 */
.mag-label .section-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mag-label .section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: currentColor;
  opacity: 0.15;
}

/* page-cta-divider: SVG 파동 구분자 */
.page-cta-divider {
  display: flex;
  justify-content: center;
  padding: var(--space-md) 0 0;
}

/* ─── Service Menu Cards (light bg) ─── */
.menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin: var(--space-lg) 0 var(--space-md);
}

.menu-card {
  border: 1px solid rgba(0, 0, 0, 0.1);
  padding: var(--space-md);
}

.menu-card-name {
  font-size: 0.72rem;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 0.6rem;
}

.menu-card-price {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.2rem;
}

.menu-card-duration {
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-bottom: var(--space-sm);
}

.menu-card-desc {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid rgba(0, 0, 0, 0.07);
  padding-top: var(--space-sm);
}

.menu-card-desc li {
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--text-sub);
}

.menu-essential {
  font-size: 0.8rem;
  color: var(--text-faint);
  line-height: 1.8;
  margin-top: 0;
}

@media (max-width: 700px) {
  .menu-grid {
    grid-template-columns: 1fr;
  }
}

/* ─── Service Process List ─── */
.process-list {
  margin: var(--space-lg) 0;
  max-width: 560px;
}

.process-item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0 var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border);
}

.process-item:first-child {
  border-top: 1px solid var(--border);
}

.process-num {
  font-size: 0.7rem;
  letter-spacing: var(--ls-label);
  color: var(--text-faint);
  padding-top: 0.15rem;
}

.process-title {
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
}

.process-desc {
  font-size: 0.82rem;
  line-height: 1.85;
  color: var(--text-sub);
  margin: 0;
}

/* ─── Photography Package Cards ─── */
.package-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin: var(--space-lg) 0;
  max-width: 560px;
}

.package-card {
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: var(--space-md);
}

.package-name {
  font-size: 0.75rem;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-sm);
}

.package-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-md);
}

.package-list li {
  font-size: 0.88rem;
  line-height: 1.9;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  padding: 0.3rem 0;
}

.package-cta {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  transition: color 0.2s;
}

.package-cta:hover {
  color: var(--text-main);
}

.package-process {
  margin-top: var(--space-lg);
  max-width: 500px;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.package-process-title {
  font-size: 0.72rem;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-sm);
}

.package-process-list {
  padding-left: 1.2em;
  margin: 0 0 var(--space-sm);
}

.package-process-list li {
  font-size: 0.85rem;
  line-height: 1.9;
  color: var(--text-sub);
}

.package-process-note {
  font-size: 0.78rem;
  color: var(--text-faint);
  line-height: 1.7;
  margin-top: var(--space-sm);
}

@media (max-width: 600px) {
  .package-grid {
    grid-template-columns: 1fr;
  }
}

/* ─── Price Table (Service) ─── */
.price-table {
  margin: var(--space-lg) 0;
  max-width: 500px;
  border-top: 1px solid var(--border);
}

.price-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: baseline;
  gap: 0 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}

.price-name {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.price-meta {
  font-size: 0.8rem;
  color: var(--text-faint);
}

.price-amount {
  font-size: 0.9rem;
  text-align: right;
  white-space: nowrap;
}

.price-note {
  grid-column: 1 / -1;
  font-size: 0.78rem;
  color: var(--text-faint);
  margin: 0.2rem 0 0;
  line-height: 1.6;
}

.price-essential {
  margin-top: var(--space-md);
  font-size: 0.8rem;
  color: var(--text-faint);
  line-height: 1.8;
}

/* ─── Brand Line ─── */
.brand-line-section {
  padding: var(--space-xl) 0;
}

.brand-line {
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.5;
  max-width: 440px;
}

/* ─── Core Values (THE CYCLE) ─── */
.values-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  max-width: 100%;
}

.values-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: var(--space-md);
  border-top: 1px solid var(--line);
}

.values-num {
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: var(--text-faint);
  letter-spacing: 0.05em;
}

.values-title {
  font-size: 1rem;
  font-weight: 400;
  margin-bottom: 0.5em;
}

.values-title .en {
  font-size: 0.78rem;
  color: var(--text-sub);
  margin-left: 0.5em;
}

.values-desc {
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.8;
  margin-bottom: 0;
}

/* ─── Audience ─── */
.audience-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  max-width: 100%;
  margin-bottom: var(--space-xl);
}

.audience-item {
  font-size: 0.9rem;
  line-height: 1.7;
  padding: var(--space-sm);
  border-top: 1px solid var(--line);
  color: var(--text-sub);
}

.closing-statement {
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.8;
  max-width: 400px;
  padding-left: 1em;
  border-left: 2px solid var(--navy);
}

/* ─── Contact ─── */
.contact-section {
  padding: 0;
}

.contact-title {
  font-family: var(--font-body);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 400;
  margin-bottom: var(--space-xl);
  max-width: 360px;
  line-height: 1.4;
}

.contact-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.contact-link {
  display: flex;
  flex-direction: column;
  gap: 0.3em;
  border-bottom: none;
  border-top: 1px solid var(--line);
  padding: var(--space-sm) 0;
  transition: border-color var(--duration) var(--ease);
}

.contact-link:hover {
  border-color: var(--text);
}

.contact-link-label {
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.contact-link-value {
  font-size: 1rem;
  color: var(--text);
  border-bottom: 1px solid var(--line);
  transition: border-color var(--duration) var(--ease);
}

.contact-link:hover .contact-link-value {
  border-color: var(--text);
}

.contact-note {
  margin-top: 5rem;
  font-size: 0.85rem;
  color: var(--text-faint);
  max-width: 280px;
  line-height: 1.7;
}

/* ─── Article (Archive 개별 글) ─── */
.article-container {
  max-width: 640px;
  margin: 0 auto;
  padding: calc(var(--space-xl) + 60px) var(--space-md) 0;
}

.article-header {
  margin-bottom: var(--space-lg);
  padding-bottom: 0;
  border-bottom: none;
}

.article-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.article-back {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
  text-decoration: none;
}

.article-back:hover {
  color: var(--text-main);
}

.article-category-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  border: 1px solid var(--line);
  padding: 0.2em 0.6em;
}

.article-header-rule {
  height: 1px;
  background: var(--line);
  margin-top: var(--space-md);
}

/* ─── Article Viz ─── */
.viz-dot-grid {
  padding: 0;
  margin: calc(-1 * var(--space-sm)) 0;
}

.viz-line-draw {
  padding: 0;
  margin: calc(-1 * var(--space-sm)) 0;
}

.viz-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-sm);
}

.dot-grid-canvas {
  display: grid;
  grid-template-columns: repeat(12, 8px);
  gap: 6px;
}

.dot-cell {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line);
  transition: background 0.3s ease;
}

.dot-cell.dot-on {
  background: var(--text-main);
}

.viz-line-draw {
  padding: var(--space-sm) 0;
  color: var(--text-faint);
}

.line-svg {
  width: 100%;
  height: 32px;
  display: block;
  overflow: visible;
}

.line-path {
  stroke: currentColor;
  stroke-width: 1.2;
}

/* ─── Article Outro ─── */
.article-outro {
  margin-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.article-outro-rule {
  height: 1px;
  background: var(--line);
  margin-bottom: var(--space-md);
}

.article-outro-meta {
  display: flex;
  gap: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-lg);
}

.article-outro-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
}

.article-nav-prev,
.article-nav-archive {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
  text-decoration: none;
  transition: color 0.2s;
}

.article-nav-prev:hover,
.article-nav-archive:hover {
  color: var(--text-main);
}

.article-meta {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-md);
}

.article-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
  color: var(--text-main);
}

.article-subtitle {
  font-family: var(--font-body);
  color: var(--text-sub);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.7;
  margin-top: 0;
}

.article-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.article-body p {
  font-size: 1.05rem;
  line-height: 1.95;
  color: var(--text);
  font-weight: 300;
  letter-spacing: -0.005em;
}

.article-body blockquote {
  margin: var(--space-sm) 0;
  padding: var(--space-sm) 0 var(--space-sm) var(--space-md);
  border-left: 1.5px solid var(--text-main);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-sub);
}

.article-divider {
  border: none;
  border-top: 1px solid var(--line);
  margin: var(--space-sm) 0;
}

.article-closing {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-sub);
  font-style: italic;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--line);
}

.article-cover {
  width: 100%;
  height: 50vh;
  object-fit: cover;
  margin: var(--space-xl) 0;
  filter: brightness(0.97) saturate(0.9);
}

/* ─── Post Body (어드민 생성 글) ─── */
.post-body {
  padding: var(--space-xl) 0 var(--space-2xl);
  max-width: 580px;
}

.post-body p {
  font-size: 1rem;
  line-height: 2.0;
  color: var(--text);
  margin-bottom: 1.8em;
}

.post-body h2 {
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: var(--space-lg) 0 var(--space-sm);
}

.post-body h3 {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-sub);
  margin: var(--space-md) 0 var(--space-xs);
}

.post-body blockquote {
  border-left: 2px solid var(--navy);
  padding-left: 1.2em;
  color: var(--text-sub);
  font-style: italic;
  margin: var(--space-md) 0;
}

.post-body img {
  width: 100%;
  margin: var(--space-lg) 0;
  filter: brightness(0.97) saturate(0.9);
}

.post-body a {
  color: var(--text);
  border-bottom: 1px solid var(--line);
}

.post-body time {
  display: block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--text-faint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: var(--space-md) 0 var(--space-xl);
}

/* ─── CTA ─── */
.cta {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text);
  border-bottom: 1px solid var(--text);
  padding-bottom: 2px;
  margin-top: var(--space-lg);
  transition: opacity var(--duration) var(--ease);
}

.cta:hover {
  opacity: 0.5;
  border-color: var(--text);
}

/* ─── Page CTA (서브페이지 공통 하단 블록) ─── */
.page-cta {
  padding: var(--space-md) 0 var(--space-xl);
  border-top: 1px solid var(--line);
}

.page-cta-note {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: var(--fw-light);
  color: var(--text);
  letter-spacing: var(--ls-label);
  margin-bottom: var(--space-sm);
}

/* ─── Newsletter ─── */
.newsletter-section {
  text-align: center;
  padding: var(--space-xl) 0;
}

.newsletter-desc {
  font-size: 0.95rem;
  color: var(--text-sub);
  margin-bottom: var(--space-lg);
  line-height: 1.8;
}

.newsletter-form {
  display: flex;
  gap: var(--space-sm);
  max-width: 480px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 300;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--text);
  border-radius: 0;
  transition: border-color var(--duration) var(--ease);
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--text);
}

.newsletter-form button {
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 400;
  background: var(--text);
  color: var(--white);
  border: none;
  cursor: pointer;
  transition: opacity var(--duration) var(--ease);
  white-space: nowrap;
}

.newsletter-form button:hover {
  opacity: 0.8;
}

.newsletter-form button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ─── Project Form ─── */
.project-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-field {
  margin-bottom: var(--space-lg);
}

.form-field label {
  display: block;
  font-size: 0.9rem;
  font-weight: 400;
  margin-bottom: var(--space-xs);
  color: var(--text);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 300;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  border-radius: 0;
  transition: border-color var(--duration) var(--ease);
}

.section--dark .form-field input,
.section--dark .form-field select,
.section--dark .form-field textarea {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--text);
}

.section--dark .form-field input:focus,
.section--dark .form-field select:focus,
.section--dark .form-field textarea:focus {
  border-color: var(--white);
}

.form-field textarea {
  resize: vertical;
  min-height: 120px;
}

.form-note {
  margin-top: var(--space-xs);
  font-size: 0.8rem;
  color: var(--text-sub);
}

.section--dark .form-note {
  color: rgba(255, 255, 255, 0.6);
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.9rem;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  margin-top: 0.2em;
  cursor: pointer;
}

.form-success {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-lg);
  text-align: center;
  background: rgba(46, 125, 50, 0.1);
  border: 1px solid rgba(46, 125, 50, 0.3);
}

.form-success p {
  margin: 0;
  font-size: 1rem;
}

.newsletter-message {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-radius: 4px;
  font-size: 0.9rem;
  text-align: center;
}

.newsletter-message--success {
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #a5d6a7;
}

.newsletter-message--error {
  background: #ffebee;
  color: #c62828;
  border: 1px solid #ef9a9a;
}

/* ─── Brand Archive Image ─── */
.brand-archive-image {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.brand-archive-image img {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: var(--space-md);
}

.brand-archive-image figcaption {
  font-size: 0.8rem;
  color: var(--text-sub);
  letter-spacing: 0.05em;
  line-height: 1.8;
}

.brand-archive-image figcaption .en {
  display: block;
  margin-top: var(--space-xs);
  font-size: 0.72rem;
  color: var(--text-faint);
}

/* ─── 우화(羽化) Dictionary Entry ─── */
.about-hero {
  text-align: left;
}

.woohwa-entry {
  max-width: 560px;
}

.woohwa-word {
  /* .page-title과 함께 사용 — 크기/weight는 page-title이 주도 */
  margin-bottom: var(--space-sm);
}

.woohwa-hanja {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--text-sub);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-lg);
}

.woohwa-hanja .en {
  font-family: var(--font-body);
  /* Changed from Crimson Text — 세리프 제거 */
  font-style: normal;
  /* Changed from italic — 과도한 장식 제거 */
  font-weight: var(--fw-regular);
}

.woohwa-def {
  font-size: 1rem;
  font-weight: 300;
  color: var(--text-sub);
  line-height: 2;
}

/* ─── About Hero SVG ─── */
.about-hero-svg {
  display: block;
  width: clamp(120px, 25vw, 180px);
  height: auto;
  margin-bottom: var(--space-md);
  color: var(--text);
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  .about-hero-svg {
    width: clamp(80px, 20vw, 100px);
  }
}

/* ─── Footer ─── */
footer {
  border-top: 1px solid var(--line);
  padding: var(--space-xl) 0 var(--space-lg);
}

/* ─── Footer (리뉴얼) ─── */
footer.section--light {
  padding: var(--space-lg) 0 var(--space-md);
}

.footer-inner {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.footer-brand-row {
  margin-bottom: var(--space-md);
}

.footer-brand-name {
  font-family: var(--font-body);
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--text);
  margin-bottom: 0;
}

.footer-brand-desc {
  display: none;
}

.footer-nav-row {
  position: static !important;
  display: flex !important;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  margin-bottom: var(--space-md);
  background: none !important;
  top: auto !important;
  width: auto !important;
}

.footer-nav-row a {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-sub);
  border-bottom: none;
  transition: color var(--duration) var(--ease);
}

.footer-nav-row a:hover {
  color: var(--text);
}

.footer-connect-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  margin-bottom: var(--space-lg);
}

.footer-connect-row a {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-sub);
  border-bottom: none;
  transition: color var(--duration) var(--ease);
}

.footer-connect-row a:hover {
  color: var(--text);
}

.footer-bottom {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md) 0;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer-bottom-copy {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-faint);
  letter-spacing: 0.04em;
}

.footer-legal {
  display: flex;
  gap: 1rem;
}

.footer-legal a {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-faint);
  border-bottom: none;
  transition: color var(--duration) var(--ease);
}

.footer-legal a:hover {
  color: var(--text-sub);
}

/* ── Footer 모바일 ── */
@media (max-width: 600px) {
  .footer-inner {
    padding: 0 var(--space-md);
  }

  .footer-brand-row {
    margin-bottom: var(--space-sm);
  }

  .footer-nav-row {
    gap: var(--space-xs) var(--space-sm);
    margin-bottom: var(--space-md);
  }

  .footer-connect-row {
    gap: var(--space-xs) var(--space-sm);
    margin-bottom: var(--space-md);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md) 0;
  }
}

/* 구 footer-grid 호환 (점진적 교체 중) */
.footer-grid {
  display: none;
}

/* ─── Fade-in Animation (우화: 날개 펼침) ─── */
.fade-in {
  opacity: 0;
  transform: translateY(20px) scale(0.985);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Slow variant — 히어로/핵심 요소용 */
.fade-in-slow {
  opacity: 0;
  transform: translateY(30px) scale(0.98);
  transition: opacity 1.2s var(--ease), transform 1.2s var(--ease);
}

.fade-in-slow.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ─── Responsive ─── */
@media (max-width: 1100px) {
  :root {
    --space-xl: 5rem;
    --space-2xl: 7rem;
  }

  html {
    font-size: 17px;
  }

  /* Overlay Navigation removed (Consolidated to top media query) */

  .hub-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .archive-hero {
    min-height: 60vh;
  }

  .archive-title {
    font-size: 2.2rem;
  }

  .archive-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem 0.5rem;
    padding-bottom: 1.5rem;
  }

  .archive-card-image {
    aspect-ratio: 1/1;
    margin-bottom: 0.4rem;
  }

  .archive-filter-bar {
    gap: var(--space-sm);
  }

  .archive-filter {
    font-size: 0.65rem;
  }

  .newsletter-form {
    flex-direction: column;
    max-width: 100%;
  }

  .newsletter-form button {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .hub-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .archive-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md) 0;
  }

  .archive-card-image {
    aspect-ratio: 3/2;
  }
}

/* ─── Reader Mode (Archive Detail) ─── */
.reading-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  z-index: 9999;
  background: transparent;
}

.reading-progress-bar {
  height: 100%;
  background: #1a1a1a;
  width: 0%;
  transition: width 0.08s linear;
}

.article-meta-read-time {
  margin-left: var(--space-sm);
  opacity: 0.6;
}

/* ─── Article Header fade-in stagger ─── */
.article-header .article-meta.fade-in {
  transition-delay: 0s;
}

.article-header .article-title.fade-in {
  transition-delay: 0.08s;
}

.article-header .article-subtitle.fade-in {
  transition-delay: 0.15s;
}

/* ═══════════════════════════════════════════════
   MOBILE EFFECTS SYSTEM — 우화(羽化) v1.0
   레이어 1: 히어로 로드 애니메이션 (clip-path 리빌)
   레이어 2: 스크롤 히어로 페이드아웃 (scroll-driven)
   레이어 3: 스크롤 진행 라인
   레이어 4: 섹션 stagger 강화
   ═══════════════════════════════════════════════ */

/* ─── 레이어 1: 히어로 등장 keyframes (hero-animation.js가 class로 트리거) ─── */
/* hero 요소 opacity/transform은 hero-animation.js 단독 소유 */

@keyframes woohwa-reveal {
  from {
    clip-path: inset(100% 0 0 0);
    opacity: 0;
  }

  to {
    clip-path: inset(0% 0 0 0);
    opacity: 1;
  }
}

@keyframes woohwa-rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* hero-animation.js가 .hero-show 클래스를 추가하면 등장 시작 */
/* hero-inner: 초기 숨김 */
.hero .hero-inner {
  opacity: 0;
  transform: translateY(12px);
  transition: none;
}

.hero .hero-inner.hero-show {
  opacity: 1;
  transform: none;
  animation: woohwa-rise 1s var(--ease) 0s both;
}

/* SVG 요소: hero-show 시 animation 시작 */
.hero .hero-inner.hero-show .hg-ring,
.hero .hero-inner.hero-show .hg-spiral,
.hero .hero-inner.hero-show .hg-now,
.hero .hero-inner.hero-show .hg-wave {
  animation-play-state: running;
}

/* 타이핑 카피 */
.hero .hero-platform-def {
  opacity: 0;
  animation: woohwa-rise 0.8s var(--ease) 0.4s both;
  animation-play-state: paused;
}

.hero .hero-inner.hero-show .hero-platform-def {
  animation-play-state: running;
}

/* ─── 레이어 2: 스크롤 시 히어로 텍스트 부드럽게 상승·소멸 ─── */
/* CSS scroll-driven animation — JS 없음, 메인 스레드 밖, 60fps */
/* 지원: Chrome 115+, Safari 26+. 미지원 시 graceful fallback (아무 변화 없음) */

@supports (animation-timeline: scroll()) {

  /* hero-inner: hero-show 추가 후에만 scroll-driven animation 적용 */
  /* .hero-inner(opacity:0 초기)에 from{opacity:1}이 덮어쓰는 충돌 방지 */
  .hero-inner.hero-show {
    animation: woohwa-rise 1s var(--ease) 0s both, hero-drift linear;
    animation-timeline: auto, scroll(root);
    animation-range: auto, 0vh 45vh;
  }

  @keyframes hero-drift {
    from {
      opacity: 1;
      transform: translateY(0);
    }

    to {
      opacity: 0;
      transform: translateY(-30px);
    }
  }
}

/* ─── 레이어 3: 스크롤 진행 라인 ─── */
/* 우측 고정 세로선 — 스크롤 진행도를 시각화 */

.scroll-progress {
  position: fixed;
  right: 0;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--line);
  z-index: 200;
  pointer-events: none;
}

.scroll-progress-fill {
  width: 100%;
  height: 0%;
  background: var(--text-faint);
  transition: height 0.1s linear;
  /* JS로 업데이트 */
}

/* CSS scroll-driven 지원 시 JS 없이도 동작 */
@supports (animation-timeline: scroll()) {
  .scroll-progress-fill {
    animation: progress-grow linear both;
    animation-timeline: scroll(root);
    animation-range: 0% 100%;
    transition: none;
  }

  @keyframes progress-grow {
    from {
      height: 0%;
    }

    to {
      height: 100%;
    }
  }
}

/* ─── 레이어 4: TOC + 아카이브 카드 stagger 강화 ─── */
/* 목차 항목 — 번호순으로 0.08s 간격 순차 등장 */

.toc-item:nth-child(1) {
  transition-delay: 0s;
}

.toc-item:nth-child(2) {
  transition-delay: 0.07s;
}

.toc-item:nth-child(3) {
  transition-delay: 0.14s;
}

.toc-item:nth-child(4) {
  transition-delay: 0.21s;
}

.toc-item:nth-child(5) {
  transition-delay: 0.28s;
}

.toc-item:nth-child(6) {
  transition-delay: 0.35s;
}

/* 아카이브 카드 — 3열 그리드 순차 등장 */
.archive-card:nth-child(1) {
  transition-delay: 0s;
}

.archive-card:nth-child(2) {
  transition-delay: 0.06s;
}

.archive-card:nth-child(3) {
  transition-delay: 0.12s;
}

.archive-card:nth-child(4) {
  transition-delay: 0.18s;
}

.archive-card:nth-child(5) {
  transition-delay: 0.24s;
}

.archive-card:nth-child(6) {
  transition-delay: 0.30s;
}

/* 모바일: stagger 간격 줄임 (너무 길면 답답함) */
@media (max-width: 768px) {
  .toc-item:nth-child(1) {
    transition-delay: 0s;
  }

  .toc-item:nth-child(2) {
    transition-delay: 0.05s;
  }

  .toc-item:nth-child(3) {
    transition-delay: 0.10s;
  }

  .toc-item:nth-child(4) {
    transition-delay: 0.15s;
  }

  .toc-item:nth-child(5) {
    transition-delay: 0.20s;
  }

  .toc-item:nth-child(6) {
    transition-delay: 0.25s;
  }

  .archive-card:nth-child(n) {
    transition-delay: 0s;
  }

  /* 모바일 1열 → stagger 없이 단순 fade-in */
}

/* ─── Index Grid (메인 인덱스 2열 카드) ─── */
.index-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}

.index-card {
  display: grid;
  grid-template-columns: 2rem 1fr auto;
  grid-template-rows: 1fr;
  gap: 0 0.6em;
  align-items: center;
  padding: 0.7rem 0.5rem 0.7rem 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: var(--text);
  transition: opacity 0.3s;
}

.index-card:nth-child(odd) {
  border-right: 1px solid var(--line);
  padding-right: var(--space-sm);
}

.index-card:hover {
  opacity: 0.5;
}

.index-card--coming {
  opacity: 0.35;
  cursor: default;
}

.index-card-num {
  font-family: var(--font-mono);
  font-size: 0.60rem;
  font-weight: var(--fw-light);
  color: var(--text-faint);
  letter-spacing: var(--ls-label);
  grid-column: 1;
  grid-row: 1;
}

.index-card-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  grid-column: 2;
  grid-row: 1;
}

.index-card-desc {
  font-family: var(--font-mono);
  font-size: 0.60rem;
  font-weight: var(--fw-light);
  color: var(--text-faint);
  letter-spacing: var(--ls-label);
  grid-column: 3;
  grid-row: 1;
  text-align: right;
  white-space: nowrap;
}

.index-card-desc em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: var(--ls-wide);
  color: var(--text-sub);
  margin-right: 0.4em;
}

.mag-cta-link {
  font-size: 0.72rem;
  letter-spacing: var(--ls-label);
  color: var(--text-sub);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  display: inline-block;
  margin-top: var(--space-sm);
  transition: border-color 0.3s, color 0.3s;
}

.mag-cta-link:hover {
  color: var(--text);
  border-color: var(--text);
}

/* 5열 프로세스 모바일 처리 */
@media (max-width: 768px) {
  [style*="grid-template-columns: repeat(5"] {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* index-card: 3열 그리드에서 desc(nowrap) 숨김 — 가로 스크롤 방지 */
  .index-card-desc {
    display: none;
  }

  .index-card {
    grid-template-columns: 2rem 1fr;
  }
}

@media (max-width: 480px) {
  [style*="grid-template-columns: repeat(5"] {
    grid-template-columns: 1fr !important;
  }

  .index-grid {
    grid-template-columns: 1fr;
  }

  .index-card:nth-child(odd) {
    border-right: none;
    padding-right: 0;
  }
}

/* ─── 모바일: 병렬 그리드 → 1열 fallback ─── */
@media (max-width: 640px) {
  .values-list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .values-item {
    padding: var(--space-sm) 0;
  }

  .audience-list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .audience-item {
    padding: var(--space-sm) 0;
  }

  .contact-links {
    grid-template-columns: 1fr;
  }

  .contact-link {
    padding: var(--space-sm) 0;
  }
}

/* ─── Dual / Quad Gateway (/service/) ─── */
.dual-gateway,
.quad-gateway {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  margin-bottom: var(--space-xl);
}

.gateway-card {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  padding: var(--space-md) var(--space-md);
  min-height: 260px;
  text-decoration: none;
  color: var(--text);
  transition: background var(--duration) var(--ease);
}

.gateway-card:hover {
  background: var(--bg-dark);
}

.gateway-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-md);
}

.gateway-title {
  font-family: var(--font-body);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: var(--fw-light);
  /* Changed from var(--fw-thin) */
  letter-spacing: var(--ls-heading);
  line-height: 1.1;
  margin-bottom: var(--space-sm);
}

.gateway-desc {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: var(--fw-light);
  line-height: 1.8;
  color: var(--text-sub);
  flex: 1;
  word-break: keep-all;
}

.gateway-link {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  margin-top: auto;
  padding-top: var(--space-md);
  color: var(--text-sub);
  border-top: 1px solid var(--line);
}

@media (max-width: 767px) {

  .dual-gateway,
  .quad-gateway {
    grid-template-columns: 1fr;
  }

  .gateway-card {
    min-height: 220px;
  }
}



/* ─── Atelier Table (offering//service/) ─── */
.atelier-body {
  width: 100%;
  border-top: 1px solid var(--line);
}

.atelier-header {
  display: grid;
  grid-template-columns: 18rem 8rem 6rem 1fr;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.68rem;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-faint);
}

.atelier-row {
  display: grid;
  grid-template-columns: 18rem 8rem 6rem 1fr;
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
  gap: var(--space-sm) 0;
}

.atelier-col-name {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.atelier-index {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: var(--fw-light);
  /* Changed from var(--fw-thin) */
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text-faint);
  font-family: var(--font-serif);
  opacity: 0.28;
}

.atelier-name {
  font-size: 1.0rem;
  font-weight: 400;
  letter-spacing: var(--ls-label);
  color: var(--text-sub);
}

.atelier-col-price {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.atelier-price {
  font-size: 1rem;
  font-weight: 400;
  color: var(--stone-dark);
  /* Changed from var(--navy) */
}

.atelier-price-mod {
  font-size: 0.8rem;
  color: var(--text-faint);
}

.atelier-price-unit {
  font-size: 0.72rem;
  color: var(--text-faint);
}

.atelier-col-time {
  font-size: 0.88rem;
  color: var(--text-sub);
}

.atelier-col-desc {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-sub);
}

.atelier-tag {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.72rem;
  letter-spacing: var(--ls-label);
  border: 1px solid var(--line);
  padding: 2px 8px;
  color: var(--text-faint);
}

.atelier-footer {
  padding: var(--space-lg) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.atelier-note {
  font-size: 0.75rem;
  line-height: 1.8;
  color: var(--text-faint);
}

@media (max-width: 767px) {
  .atelier-header {
    display: none;
  }

  .atelier-row {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "name  price"
      "name  time"
      "desc  desc";
    gap: var(--space-sm) var(--space-md);
    align-items: start;
  }

  .atelier-col-name {
    grid-area: name;
  }

  .atelier-col-price {
    grid-area: price;
  }

  .atelier-col-time {
    grid-area: time;
  }

  .atelier-col-desc {
    grid-area: desc;
  }

  .atelier-col-price::before {
    display: block;
    content: "Price";
    font-size: 0.62rem;
    color: var(--text-faint);
    letter-spacing: var(--ls-wide);
    text-transform: uppercase;
    margin-bottom: 2px;
  }

  .atelier-col-time::before {
    display: block;
    content: "Time";
    font-size: 0.62rem;
    color: var(--text-faint);
    letter-spacing: var(--ls-wide);
    text-transform: uppercase;
    margin-bottom: 2px;
  }
}

/* ─── Hero Fullscreen (index.html Three.js) ─── */
.hero--fullscreen {
  position: relative;
  width: 100%;
  height: 100svh;
  min-height: 100svh;
  overflow: hidden;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-canvas-full {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  display: block;
  opacity: 0;
  transition: opacity 1.4s ease;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: var(--space-lg);
  pointer-events: none;
}

.hero-tagline {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.hero-stmt-nav {
  display: flex;
  gap: var(--space-md);
  pointer-events: all;
}

.hero-stmt-nav a {
  font-size: 0.75rem;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-sub);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration) var(--ease), color var(--duration) var(--ease);
}

.hero-stmt-nav a:hover {
  color: var(--text);
  border-bottom-color: var(--text);
}

/* ── Time-Aware Atmosphere ── */
:root.time-dawn {
  --bg: #EAEAE8;
  --bg-dark: #E2E2E0;
  --text-faint: #777;
  --duration-slow: 1.8s;
  --breath: 4.8s;
  /* 새벽 — 가장 긴 호흡 */
}

:root.time-evening {
  --bg: #E6E5E3;
  --bg-dark: #DEDDD9;
  --text-faint: #9A8F85;
  --duration-slow: 1.5s;
  --breath: 4.2s;
  /* 저녁 — 약간 느려짐 */
}

:root.time-night {
  --bg: #DCDCDA;
  --bg-dark: #D5D5D3;
  --text-faint: #777;
  --duration-slow: 2s;
  --breath: 5.2s;
  /* 밤 — 가장 긴 호흡 */
}

/* ═══════════════════════════════════════════
   HOME — 편집된 첫 페이지
   ═══════════════════════════════════════════ */

.home-hero {
  position: relative;
  min-height: 80svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px var(--space-md) 80px;
  overflow: hidden;
}

.home-hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.7;
}

.home-hero-inner {
  position: absolute;
  z-index: 1;
  bottom: var(--space-xl);
  left: var(--space-lg);
  text-align: left;
  opacity: 0;
  transform: translateY(12px);
  animation: home-fade-up 1.2s var(--ease) 0.3s forwards;
}

.home-hero-statement {
  font-family: var(--font-mono);
  font-size: clamp(0.75rem, 1.2vw, 0.95rem);
  font-weight: 300;
  font-style: normal;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--text);
}

.home-hero-brand {
  margin-top: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: var(--ls-wide);
  color: var(--text-faint);
  text-transform: uppercase;
}

@keyframes home-fade-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 브랜드 텍스트 환경 호흡 — 거의 안 보이는 미세한 파동 */
@keyframes home-breathe {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.82;
  }
}

/* ─── Featured Article ─── */
.home-featured {
  padding: 0 0 var(--space-xl);
}

.home-featured-divider {
  height: 1px;
  background: var(--line);
}

.home-featured-link {
  display: block;
  padding: var(--space-lg) 0;
  text-decoration: none;
  color: var(--text);
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}

.home-featured-link.visible {
  opacity: 1;
}

.home-featured-link:hover .home-featured-title {
  color: var(--text-sub);
}

.home-featured-meta {
  display: flex;
  gap: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: var(--ls-wide);
  color: var(--text-faint);
  margin-bottom: var(--space-md);
}

.home-featured-title {
  font-family: var(--font-body);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: var(--fw-light);
  /* Changed from var(--fw-thin) */
  letter-spacing: var(--ls-heading);
  line-height: 1.2;
  transition: color var(--duration) var(--ease);
}

.home-featured-preview {
  margin-top: var(--space-sm);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: var(--fw-light);
  line-height: 1.7;
  color: var(--text-sub);
  max-width: 520px;
}

/* ─── Scroll Reveal ─── */
.scroll-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Home Story Sections ─── */
.home-story {
  padding: var(--space-xl) 0;
}

.home-story--phrase {
  padding: calc(var(--space-xl) * 1.5) 0;
  border-top: 1px solid var(--line);
}

.home-story-phrase {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2.5vw, 1.8rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0;
}

.home-story-sub {
  margin-top: var(--space-md);
  font-family: var(--font-body);
  font-size: clamp(0.8rem, 1.2vw, 0.9rem);
  color: var(--text-sub);
  line-height: 1.6;
}

/* ─── Home Pillars ─── */
.home-story--pillars {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: var(--space-xl) 0;
}

.home-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.home-pillar {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: var(--space-lg) var(--space-md);
  border-right: 1px solid var(--line);
}

.home-pillar:first-child {
  padding-left: 0;
}

.home-pillar:last-child {
  border-right: none;
}

.home-pillar-num {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--text-faint);
}

.home-pillar-word {
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 1.5vw, 1.05rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--text);
}

.home-pillar-desc {
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: var(--text-sub);
}

@media (max-width: 580px) {
  .home-pillars {
    grid-template-columns: 1fr;
  }

  .home-pillar {
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: var(--space-md) 0;
  }

  .home-pillar:last-child {
    border-bottom: none;
  }
}

/* ─── Bottom Nav ─── */
.home-bottom-nav {
  padding: var(--space-xl) 0;
}

.home-bottom-links {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
}

.home-bottom-links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-sub);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.home-bottom-links a:hover {
  color: var(--text);
  border-bottom-color: var(--text);
}

/* ─── Home Chapters ─── */
.home-chapter {
  padding: calc(var(--space-xl) * 1.5) 0;
  position: relative;
}

.home-chapter--uwh {
  border-top: 1px solid var(--line);
}

.home-chapter--slow {
  background: transparent;
}

.home-chapter--practice {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.home-chapter-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 680px;
}

.home-chapter-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: var(--ls-wide);
  color: var(--text-faint);
  text-transform: uppercase;
  margin: 0;
}

.home-chapter-ko {
  font-family: var(--font-body);
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
  font-weight: var(--fw-light);
  /* Changed from var(--fw-thin) */
  line-height: 1.75;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0;
}

.home-chapter-en {
  font-family: var(--font-body);
  font-size: clamp(0.78rem, 1.1vw, 0.9rem);
  font-weight: var(--fw-light);
  font-style: italic;
  color: var(--text-faint);
  line-height: 1.6;
  margin: 0;
}

/* Canvas visualization per chapter */
.home-chapter-canvas {
  display: block;
  width: 100%;
  pointer-events: none;
  opacity: 0.18;
}

/* ─── Chapter 2: Slow split layout ─── */
.home-chapter-rule {
  height: 1px;
  background: var(--line);
  margin: 0 0 var(--space-lg);
  transform-origin: left;
}

.home-chapter-split {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-xl);
  align-items: start;
}

.home-chapter-split-label {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 200;
  letter-spacing: -0.03em;
  color: var(--text);
  margin: 0;
  line-height: 1;
}

.home-chapter-split-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.home-chapter-body {
  font-family: var(--font-body);
  font-size: clamp(0.88rem, 1.3vw, 1rem);
  font-weight: var(--fw-light);
  line-height: 1.8;
  color: var(--text-sub);
  margin: 0;
}

.home-chapter-body strong {
  font-weight: 400;
  color: var(--text);
}

.home-chapter-quote {
  font-family: var(--font-body);
  font-size: clamp(0.78rem, 1.1vw, 0.88rem);
  font-weight: var(--fw-light);
  font-style: italic;
  color: var(--text-faint);
  border-left: 2px solid rgba(26, 26, 26, 0.15);
  padding-left: var(--space-md);
  line-height: 1.7;
  margin: 0;
}

/* ─── Chapter 3: Practice Grid ─── */
.home-practice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.home-practice-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: var(--space-lg) var(--space-md);
  border-right: 1px solid var(--line);
}

.home-practice-item:first-child {
  padding-left: 0;
}

.home-practice-item:last-child {
  border-right: none;
  padding-right: 0;
}

.home-practice-num {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--text-faint);
  display: block;
}

.home-practice-title {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  font-weight: 300;
  color: var(--text);
  display: block;
  letter-spacing: -0.01em;
}

.home-practice-title em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  margin-left: 0.5rem;
  display: inline-block;
  vertical-align: middle;
}

.home-practice-desc {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: var(--fw-light);
  color: var(--text-sub);
  line-height: 1.6;
  margin: 0;
}

/* SVG icon per practice item */
.home-practice-icon {
  display: block;
  margin-bottom: 0.3rem;
  opacity: 0.25;
}

/* ─── Scroll Cue ─── */
.home-hero-scroll-cue {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  opacity: 0.35;
}

.home-hero-scroll-cue span {
  display: block;
  width: 1px;
  height: 40px;
  background: var(--text);
  margin: 0 auto;
  animation: scroll-cue-drop 2s cubic-bezier(0.16, 1, 0.3, 1) infinite;
  transform-origin: top;
}

@keyframes scroll-cue-drop {
  0% {
    transform: scaleY(0);
    opacity: 0;
  }

  20% {
    transform: scaleY(1);
    opacity: 1;
  }

  80% {
    transform: scaleY(1);
    opacity: 1;
  }

  100% {
    transform: scaleY(0) translateY(40px);
    opacity: 0;
  }
}

/* ─── Home Mobile ─── */
@media (max-width: 640px) {
  .home-hero {
    min-height: 70svh;
    padding: 100px var(--space-sm) 60px;
  }

  .home-chapter {
    padding: var(--space-xl) 0;
  }

  .home-chapter-split {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .home-chapter-split-label {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .home-practice-grid {
    grid-template-columns: 1fr;
  }

  .home-practice-item {
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: var(--space-md) 0;
  }

  .home-practice-item:last-child {
    border-bottom: none;
  }

  .home-featured-meta {
    gap: var(--space-md);
    flex-wrap: wrap;
  }

  .home-bottom-links {
    gap: var(--space-lg);
  }
}

/* ═══════════════════════════════════════════
   HOME RADICAL — 전체 페이지 필드 배경 + 부유 텍스트
   ═══════════════════════════════════════════ */

/* body 클래스 재정의 — 스크롤 활성화, overflow 정상 */
body.home-radical {
  background: var(--bg);
  overflow-x: hidden;
}

/* 전체 페이지 고정 배경 캔버스 */
.field-bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.72;
}

/* 메인 — 5씬 × 100dvh = 500dvh */
.field-main {
  position: relative;
  z-index: 1;
  min-height: 500dvh;
  pointer-events: none;
}

/* 모든 FB 블록 기본 — 각 씬은 100dvh, sticky로 화면에 붙음 */
.fb {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  height: 100dvh;
  /* nav 높이(60px) + 여백 확보 */
  padding: calc(60px + var(--space-xl)) var(--space-lg) var(--space-xl);
  pointer-events: auto;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--breath-quarter) var(--ease-wave),
    transform var(--breath-quarter) var(--ease-wave);
}

.fb.fb--visible {
  opacity: 1;
  transform: translateY(0);
}

/* uwh: 약간 길게 — 더 깊은 호흡 */
.fb--uwh {
  transition: opacity var(--breath-half) var(--ease-wave),
    transform var(--breath-half) var(--ease-wave);
}

/* slow: 호흡 타이밍 */
.fb--slow {
  transition: opacity var(--breath-half) var(--ease-wave),
    transform var(--breath-half) var(--ease-wave);
}

/* essay: 가장 조용히 — 긴 fade */
.fb--essay .fb-essay-link {
  transition: opacity var(--breath) var(--ease-wave);
}

/* Block 0: 브랜드 — 좌하단, 히어로 */
.fb--brand {
  justify-content: flex-end;
  /* 하단 */
  align-items: flex-start;
  /* 좌측 */
  padding-top: var(--space-xl);
  /* 브랜드는 하단 배치 → nav 패딩 불필요 */
  padding-bottom: var(--space-xl);
  opacity: 1;
  transform: none;
  z-index: 1;
}

.fb-statement {
  font-family: var(--font-mono);
  font-size: clamp(0.72rem, 1.1vw, 0.88rem);
  font-weight: 300;
  letter-spacing: 0.01em;
  color: var(--text);
  margin: 0;
  line-height: 1.4;
  /* fade-up 완료 후 1.6s 딜레이로 호흡 시작 */
  animation: home-fade-up 1.2s var(--ease) 0.4s both,
    home-breathe var(--breath) var(--ease-in-out) 1.6s infinite;
}

.fb-brand {
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: var(--ls-wide);
  color: var(--text-faint);
  text-transform: uppercase;
  /* brand는 statement보다 0.3s 위상 지연 → 파동 전파 효과 */
  animation: home-fade-up 1.2s var(--ease) 0.7s both,
    home-breathe var(--breath) var(--ease-in-out) 1.9s infinite;
}

/* Block 1: 우화 — 우측 수직 중앙 */
.fb--uwh {
  justify-content: center;
  /* 수직 중앙 */
  align-items: flex-end;
  /* 우측 */
  text-align: right;
  z-index: 2;
}

.fb-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: var(--ls-wide);
  color: var(--text-faint);
  text-transform: uppercase;
  margin: 0 0 0.6rem;
}

.fb-ko {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.8vw, 1.3rem);
  font-weight: var(--fw-light);
  /* Changed from var(--fw-thin) */
  line-height: 1.8;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0;
  max-width: 420px;
}

/* Block 2: Slow — 좌측 하단 */
.fb--slow {
  justify-content: flex-end;
  /* 하단 */
  align-items: flex-start;
  /* 좌측 */
  padding-bottom: calc(var(--space-xl) * 2.5);
  opacity: 0;
  transform: translateX(-24px);
  /* Slow — 더 긴 호흡으로 슬라이드인 */
  transition: opacity var(--breath-half) var(--ease-wave),
    transform var(--breath-half) var(--ease-wave);
}

.fb--slow.fb--visible {
  opacity: 1;
  transform: translateX(0);
}

.fb-word {
  font-family: var(--font-body);
  font-size: clamp(4rem, 10vw, 8rem);
  /* 더 크게 — 하단 배치라 nav 안 겹침 */
  font-weight: 100;
  letter-spacing: -0.04em;
  color: var(--text);
  line-height: 0.88;
  margin: 0 0 var(--space-md);
}

.fb-body {
  font-family: var(--font-body);
  font-size: clamp(0.78rem, 1.1vw, 0.9rem);
  font-weight: var(--fw-light);
  line-height: 1.8;
  color: var(--text-sub);
  margin: 0;
  max-width: 340px;
}

.fb-body em {
  font-style: normal;
  color: var(--text);
}

/* Block 3: 에세이 — 우측 하단 */
.fb--essay {
  justify-content: flex-end;
  /* 하단 */
  align-items: flex-end;
  /* 우측 */
  padding-bottom: calc(var(--space-xl) * 2.5);
  z-index: 3;
}

.fb-essay-link {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text);
  text-align: right;
  opacity: 0;
  /* essay — 가장 조용히, 긴 fade */
  transition: opacity var(--breath) var(--ease-wave);
}

.fb-essay-link.visible {
  opacity: 1;
}

.fb-essay-link:hover .fb-essay-title {
  opacity: 0.6;
}

.fb-essay-meta {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: var(--ls-wide);
  color: var(--text-faint);
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  align-items: center;
}

.fb-essay-sep {
  opacity: 0.4;
}

.fb-essay-title {
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: var(--fw-light);
  /* Changed from var(--fw-thin) */
  letter-spacing: var(--ls-heading);
  line-height: 1.3;
  transition: opacity var(--duration) var(--ease);
  max-width: 380px;
  text-align: right;
}

/* Block 4: 링크 — 화면 중앙 */
.fb--nav {
  justify-content: center;
  /* 수직 중앙 */
  align-items: center;
  /* 수평 중앙 */
  flex-direction: row;
  gap: var(--space-xl);
  height: 100dvh;
  z-index: 4;
}

.fb--nav a {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 300;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-sub);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

/* 파동 전파 stagger — 62ms = 1/16 호흡 단위 */
.fb--nav a:nth-child(1) {
  transition-delay: 0s;
}

.fb--nav a:nth-child(2) {
  transition-delay: 0.062s;
}

.fb--nav a:nth-child(3) {
  transition-delay: 0.124s;
}

.fb--nav a:hover {
  color: var(--text);
  border-bottom-color: var(--text);
}

/* Nav 투명 배경 오버라이드 */
.home-radical nav {
  background: transparent;
}

/* ── Phase F: 서브페이지 가독성 보정 ── */

/* main/footer가 fixed canvas 위에 확실히 올라오도록 */
body.home-radical>main,
body.home-radical>footer {
  position: relative;
  z-index: 1;
}

/* Archive 페이지: 콘텐츠 영역에 배경 추가 (캔버스 침범 차단) */
body.home-radical main.container--wide {
  background: var(--bg);
  padding-top: var(--space-lg);
}

/* About: mag-row 반투명 글래스 + 여백 + 서늘한 색온도 */
body.home-radical .mag-row {
  background: rgba(236, 236, 234, 0.84);
  padding-left: var(--space-md);
  padding-right: var(--space-md);
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
}

/* Contact: 콘텐츠 영역 가독성 */
body.home-radical .contact-section {
  background: rgba(240, 239, 235, 0.78);
  padding: var(--space-md);
  border-radius: 2px;
}

/* ─── About 페이지 전용 시각 조정 ─── */
/* 서늘한 무채색 온도 (크림 #F0EFEB → 중립 회백색) */
body.home-radical {
  --bg: #E3E2E0;
  --bg-dark: #DDDCDA;
  --line: #CCCCC9;
}

body.home-radical .mag-row--intro {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

/* ─── Grain texture — About 페이지 종이 질감 ─── */
body.home-radical::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ─── Manifesto — About 선언문 ─── */
.manifesto {
  max-width: 680px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

.mani-p {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  font-weight: var(--fw-light);
  line-height: 1.85;
  color: var(--text);
  letter-spacing: -0.01em;
  word-break: keep-all;
  margin-bottom: var(--space-lg);
}

.mani-p--declaration {
  font-family: var(--font-serif-slab);
  /* slab serif for final declaration */
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  font-weight: var(--fw-regular);
  color: var(--stone-mid);
  /* stone-inspired warm brown tone */
  line-height: 2.0;
  margin-top: 0;
  margin-bottom: 0;
  padding-top: var(--space-lg);
  border-top: none;
  position: relative;
}

.mani-p--declaration::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 1px;
  background: var(--text);
  opacity: 0.25;
}

/* ─── Manifesto 단락별 타이포 리듬 ─── */
.manifesto .mani-p:first-child {
  font-size: clamp(1.02rem, 1.9vw, 1.18rem);
  line-height: 1.95;
  letter-spacing: -0.005em;
  margin-bottom: var(--space-xl);
}

.manifesto .mani-p:nth-child(2) {
  margin-bottom: var(--space-lg);
}

.manifesto .mani-p:nth-child(3) {
  margin-bottom: calc(var(--space-lg) * 1.25);
}

.manifesto .mani-p:nth-child(4) {
  margin-bottom: var(--space-lg);
}

.manifesto .mani-p:nth-child(5) {
  margin-bottom: var(--space-lg);
}

.manifesto .mani-p:nth-child(6) {
  margin-bottom: calc(var(--space-lg) * 1.5);
}

.manifesto .mani-p:nth-child(7) {
  font-size: clamp(1.02rem, 1.9vw, 1.18rem);
  margin-bottom: calc(var(--space-xl) * 1.25);
}

/* ─── Manifesto reveal + 호흡 애니메이션 ─── */
@keyframes manifesto-breathe {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.94;
  }
}

@keyframes declaration-line-draw {
  from {
    width: 0;
    opacity: 0;
  }

  to {
    width: 40px;
    opacity: 0.25;
  }
}

.manifesto .mani-p.fade-in {
  transform: translateY(24px) scale(0.988);
  transition: opacity 1.0s var(--ease), transform 1.0s var(--ease);
}

.manifesto .mani-p.fade-in.visible {
  transform: translateY(0) scale(1);
  animation: manifesto-breathe var(--breath) var(--ease-in-out) 2s infinite;
}

.manifesto .mani-p:first-child.fade-in {
  transform: translateY(32px) scale(0.985);
  transition: opacity 1.4s var(--ease), transform 1.4s var(--ease);
}

.manifesto .mani-p:nth-child(7).fade-in {
  transition: opacity 1.2s var(--ease), transform 1.2s var(--ease);
}

.mani-p--declaration.fade-in {
  transform: translateY(16px);
  transition: opacity 1.6s var(--ease), transform 1.6s var(--ease);
}

.mani-p--declaration.fade-in.visible {
  animation: manifesto-breathe var(--breath) var(--ease-in-out) 3.8s infinite;
}

.mani-p--declaration.fade-in::before {
  width: 0;
  opacity: 0;
}

.mani-p--declaration.fade-in.visible::before {
  animation: declaration-line-draw var(--breath) var(--ease-wave) forwards;
}

/* ─── About CTA 호흡선 (SVG) ─── */
.about-breath-line {
  display: block;
  width: 40px;
  height: 6px;
  margin: var(--space-lg) auto;
  color: var(--text);
}

.about-breath-line+.page-cta {
  border-top: none;
  padding-top: 0;
}

/* ─── CTA Inline (보조 CTA) ─── */
.cta-inline {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-sub);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.cta-inline:hover {
  color: var(--text);
  border-color: var(--text);
}

/* ─── Reduced Motion ─── */
@media (prefers-reduced-motion: reduce) {
  .manifesto .mani-p.fade-in {
    transition: opacity 0.3s ease;
    transform: none;
  }

  .manifesto .mani-p.fade-in.visible {
    animation: none;
  }

  .mani-p--declaration.fade-in.visible::before {
    animation: none;
    width: 40px;
    opacity: 0.25;
  }
}

/* ─── 모바일 반응형 ─── */
@media (max-width: 768px) {
  .manifesto {
    padding: var(--space-lg) var(--space-sm);
    background: rgba(228, 226, 220, 0.82);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    position: relative;
    z-index: 1;
  }

  .mani-p {
    font-size: 1rem;
    margin-bottom: var(--space-md);
  }

  .manifesto .mani-p:first-child {
    font-size: 1.02rem;
    margin-bottom: var(--space-lg);
  }

  .manifesto .mani-p:nth-child(7) {
    font-size: 1.02rem;
    margin-bottom: calc(var(--space-lg) * 1.25);
  }

  .mani-p--declaration {
    line-height: 1.9;
  }
}

/* About: mag-grid-note — 독자 투영 공명 언어 */
.mag-grid-note {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: var(--fw-light);
  font-style: italic;
  color: var(--text-faint);
  margin-top: var(--space-sm);
  margin-bottom: 0;
  line-height: 1.7;
  word-break: keep-all;
}

/* Mobile */
@media (max-width: 640px) {

  /* 모바일: 캔버스 opacity 낮춰 텍스트 가독성 확보 */
  .field-bg-canvas {
    opacity: 0.45;
  }

  .fb {
    /* iOS Safari 주소창 포함 오버플로 방지 — dvh 사용 */
    height: 100dvh;
    /* 좌우 여백 1rem으로 확대 (0.5rem → 1rem) */
    padding: calc(60px + var(--space-lg)) 1rem var(--space-lg);
  }

  .fb--brand {
    padding-top: var(--space-lg);
    padding-bottom: var(--space-lg);
  }

  .fb--uwh {
    justify-content: flex-end;
    /* 모바일: 하단 배치 */
    align-items: flex-start;
    text-align: left;
    padding-bottom: var(--space-xl);
  }

  .fb--essay {
    align-items: flex-start;
    text-align: left;
    padding-bottom: var(--space-xl);
  }

  .fb-essay-meta,
  .fb-essay-title {
    justify-content: flex-start;
    text-align: left;
  }

  /* 모바일: 링크 수직 배열 + 터치 타겟 확보 */
  .fb--nav {
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 0;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .fb--nav a {
    font-size: 0.85rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--line);
    width: 100%;
    letter-spacing: var(--ls-label);
  }

  .fb--nav a:last-child {
    border-bottom: none;
  }

  .fb-word {
    font-size: clamp(3rem, 12vw, 5rem);
  }

  .fb-ko {
    max-width: 100%;
  }
}

/* ═══════════════════════════════════════════
   HOME v2 — Hero + Content 재설계
   field-bg는 hero 뒤에만. 콘텐츠 섹션은 solid bg.
   ═══════════════════════════════════════════ */

/* ── Hero: full-viewport, transparent (field-bg 노출) ── */
.home-hero {
  position: relative;
  z-index: 1;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-xl) var(--space-lg);
  pointer-events: none;
}

.home-hero__inner {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.home-hero__brand {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: var(--ls-wide);
  color: var(--text-faint);
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(6px);
  animation: home-fade-up 1.2s var(--ease) 0.3s forwards;
}

.home-hero__statement {
  font-family: var(--font-mono);
  font-size: clamp(0.76rem, 1.15vw, 0.92rem);
  font-weight: 300;
  letter-spacing: 0.01em;
  color: var(--text);
  line-height: 1.4;
  opacity: 0;
  transform: translateY(6px);
  animation: home-fade-up 1.2s var(--ease) 0.5s forwards,
    home-breathe var(--breath) var(--ease-in-out) 1.8s infinite;
}

.home-hero__scroll {
  margin-top: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.56rem;
  color: var(--text-faint);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  opacity: 0;
  animation: home-fade-up 1.0s var(--ease) 1.4s forwards;
}

/* ── Content: solid bg — field-bg를 덮음 ── */
.home-content {
  position: relative;
  z-index: 2;
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding-bottom: 1px;
  /* footer 분리 — 마지막 home-row 하단 border 보장 */
}

/* ── 콘텐츠 내부 공통 row ── */
.home-row {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 2.5rem var(--space-lg);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 4rem;
  align-items: start;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.8s var(--ease-wave), transform 0.8s var(--ease-wave);
}

.home-row.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── 우화 intro ── */
.home-intro__text {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.4vw, 1.05rem);
  font-weight: var(--fw-light);
  /* Changed from var(--fw-thin) — 200은 너무 얇음 */
  line-height: 1.9;
  color: var(--text-sub);
  letter-spacing: -0.01em;
}

/* ── Latest article ── */
.home-latest__link {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text);
  pointer-events: auto;
}

.home-latest__meta {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: var(--ls-wide);
  color: var(--text-faint);
  text-transform: uppercase;
}

.home-latest__title {
  font-family: var(--font-body);
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-heading);
  line-height: 1.3;
  color: var(--text);
  transition: opacity 0.3s;
}

.home-latest__link:hover .home-latest__title {
  opacity: 0.55;
}

.home-latest__arrow {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-faint);
  letter-spacing: var(--ls-label);
  margin-top: 0.4rem;
}

/* ── Site nav row ── */
.home-site-nav {
  display: flex;
  flex-direction: column;
  gap: 0;
  pointer-events: auto;
}

.home-site-nav a {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-tight);
  color: var(--text-sub);
  text-decoration: none;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.2s;
}

.home-site-nav a:last-child {
  border-bottom: none;
}

.home-site-nav a:hover {
  color: var(--text);
}

.home-site-nav a::after {
  content: '→';
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-faint);
}

/* ── 모바일 ── */
@media (max-width: 900px) {
  .home-hero {
    padding: var(--space-lg) 1.5rem;
    padding-bottom: 2.4rem;
  }

  .home-hero__brand {
    font-size: 0.72rem;
    letter-spacing: var(--ls-label);
  }

  .home-hero__statement {
    font-size: 0.88rem;
    letter-spacing: 0;
  }

  .home-hero__scroll {
    display: none;
  }

  .home-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 1.75rem 1.5rem;
  }

  .home-row .section-label {
    margin-bottom: 0.2rem;
  }

  .home-latest__title {
    font-size: 1.05rem;
  }

  .home-site-nav a {
    font-size: 0.9rem;
    padding: 0.65rem 0;
  }
}

@media (max-width: 640px) {
  .home-row {
    padding: 1.5rem 1.25rem;
    gap: 0.6rem;
  }
}

/* ═══════════════════════════════════════════
   ARCHIVE — 목차 (Table of Contents)
   ═══════════════════════════════════════════ */

.arc-canvas {
  display: block;
  width: 100%;
  height: 120px;
  margin-bottom: 0;
  pointer-events: none;
}

.arc-header {
  padding: calc(60px + var(--space-xl)) 0 var(--space-lg);
}

.arc-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-md);
  padding-bottom: var(--space-lg);
}

.arc-filter {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 0.5rem 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: color var(--duration) var(--ease);
}

.arc-filter:hover {
  color: var(--text-sub);
}

.arc-filter.active {
  color: var(--text);
  position: relative;
}

.arc-filter.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--text);
  transform-origin: left center;
  animation: arc-filter-draw 0.3s var(--ease) forwards;
}

@keyframes arc-filter-draw {
  from {
    transform: scaleX(0);
  }

  to {
    transform: scaleX(1);
  }
}

.arc-divider {
  height: 1px;
  background: var(--line);
}

.arc-list {
  display: flex;
  flex-direction: column;
}

.arc-row {
  display: grid;
  grid-template-columns: 3.5rem 1fr auto auto;
  gap: var(--space-md);
  align-items: baseline;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--text);
  position: relative;
  overflow: hidden;
  transition: background var(--duration) var(--ease);
  /* slide-in initial state (set visible by JS) */
  opacity: 0;
  transform: translateY(12px);
}

.arc-row.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), background var(--duration) var(--ease);
}

.arc-row:last-child {
  border-bottom: none;
}

/* ::before — sliding line on hover */
.arc-row::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--text);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s ease;
}

.arc-row:hover::before {
  transform: scaleX(1);
}

.arc-row:hover {
  background: var(--bg-dark);
}

.arc-row:hover .arc-row-title {
  transform: translateX(4px);
}

.arc-row-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: var(--ls-label);
  color: var(--text-faint);
}

.arc-row-title {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-heading);
  transition: transform 0.3s ease;
}

.arc-row-date {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 300;
  color: var(--text-faint);
}

.arc-row-cat {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: var(--ls-wide);
  color: var(--text-faint);
  min-width: 4rem;
  text-align: right;
}

.arc-empty {
  padding: var(--space-xl) 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-faint);
  text-align: center;
}

/* ─── Featured Block ─── */
.arc-featured {
  padding: var(--space-lg) 0;
  border-bottom: 2px solid var(--text);
  margin-bottom: var(--space-lg);
}

.arc-featured-meta {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  margin-bottom: var(--space-sm);
}

.arc-featured-issue {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 300;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-faint);
}

.arc-featured-cat,
.arc-featured-date,
.arc-featured-read {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 300;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.arc-featured-cat::before,
.arc-featured-date::before,
.arc-featured-read::before {
  content: '·';
  margin-right: var(--space-sm);
  color: var(--line);
}

.arc-featured-link {
  display: block;
  text-decoration: none;
  color: var(--text);
}

.arc-featured-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 400;
  font-style: italic;
  line-height: 1.15;
  margin: 0 0 var(--space-sm) 0;
  transition: color var(--duration) var(--ease);
}

.arc-featured-link:hover .arc-featured-title {
  color: var(--stone-dark);
  /* Changed from var(--navy) */
}

.arc-featured-preview {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--text-faint);
  line-height: 1.7;
  max-width: 480px;
  margin: 0 0 var(--space-md) 0;
}

.arc-featured-cta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--text);
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.arc-featured-link:hover .arc-featured-cta {
  color: var(--stone-dark);
  /* Changed from var(--navy) */
}

/* 목록 계층 강화 */
.arc-row-num {
  opacity: 0.28;
}

.arc-row-title {
  font-size: 1.0rem;
  font-weight: 400;
}

.arc-row:hover .arc-row-title {
  color: var(--stone-dark);
  /* Changed from var(--navy) */
}

/* ─── Archive Mobile ─── */
@media (max-width: 640px) {
  .arc-row {
    grid-template-columns: 2.5rem 1fr;
    gap: var(--space-xs) var(--space-sm);
  }

  .arc-row-date,
  .arc-row-cat {
    grid-column: 2;
    font-size: 0.6rem;
  }

  .arc-row-date {
    display: inline;
  }

  .arc-row-cat {
    display: inline;
    text-align: left;
    margin-left: var(--space-sm);
  }

  /* date + cat을 한 줄로 */
  .arc-row {
    grid-template-columns: 2.5rem 1fr;
    grid-template-rows: auto auto;
  }

  .arc-row-num {
    grid-row: 1 / 3;
    align-self: center;
  }

  .arc-row-title {
    grid-column: 2;
  }
}

/* ═══════════════════════════════════════════
   ARTICLE — 글 페이지 (art-*)
   ═══════════════════════════════════════════ */

.art-container {
  max-width: 680px;
  margin: 0 auto;
  padding: calc(60px + var(--space-xl)) var(--space-md) 0;
}

.art-back {
  margin-bottom: var(--space-md);
}

.art-back a {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  text-decoration: none;
  transition: color var(--duration) var(--ease);
}

.art-back a:hover {
  color: var(--text);
}

/* Header */
.art-header-rule {
  height: 1px;
  background: var(--text);
  transform-origin: left center;
  animation: rule-draw 0.8s ease forwards;
}

@keyframes rule-draw {
  from {
    transform: scaleX(0);
  }

  to {
    transform: scaleX(1);
  }
}

/* Wave Canvas Banner */
.art-wave-canvas {
  display: block;
  width: 100%;
  height: clamp(48px, 12vw, 80px);
  opacity: 0.10;
  pointer-events: none;
  margin-bottom: 0;
}

.art-header-grid {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0 2.4rem;
  align-items: start;
  padding: var(--space-md) 0;
}

.art-header-meta {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-top: 0.2rem;
}

.art-issue {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--text-sub);
}

.art-date,
.art-readtime {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-faint);
  line-height: 1.8;
}

.art-header-main {
  display: flex;
  flex-direction: column;
}

.art-category {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-faint);
  border: 1px solid var(--line);
  padding: 0.2em 0.6em;
  align-self: flex-start;
  margin-bottom: var(--space-sm);
}

.art-meta-line {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 var(--space-sm) 0;
}

.art-category-inline {
  color: var(--text-faint);
}

.art-title {
  font-family: var(--font-body);
  font-size: clamp(2rem, 5.5vw, 3.2rem);
  font-weight: var(--fw-light);
  font-style: italic;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--text);
  margin: 0 0 var(--space-sm);
}

.art-rule {
  border: none;
  border-top: 1px solid var(--line);
  margin: var(--space-sm) 0 var(--space-md) 0;
}

.art-subtitle {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: var(--fw-light);
  color: var(--text-sub);
  line-height: 1.75;
  border-left: 2px solid var(--text);
  padding-left: 1rem;
  margin: 0;
}

/* Body */
/* Content Grid — sidebar + body */
.art-content-grid {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 0 2rem;
  margin-top: var(--space-lg);
  align-items: start;
}

.art-sidebar {
  position: sticky;
  top: calc(60px + var(--space-lg));
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.art-sidebar-issue,
.art-sidebar-cat {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: var(--ls-label);
  color: var(--text-sub);
  text-transform: uppercase;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  white-space: nowrap;
}

.art-sidebar-issue {
  color: var(--text);
}

.art-body {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.art-body p {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: var(--fw-light);
  line-height: 1.95;
  color: var(--text);
  letter-spacing: -0.01em;
  word-break: keep-all;
  margin: 0;
}

/* Drop cap — 한글 비적합으로 제거 */

.art-body blockquote {
  background: none;
  border-left: 1px solid var(--text-faint);
  padding: var(--space-xs) var(--space-md);
  margin: var(--space-md) 0;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--text-sub);
  line-height: 1.8;
  word-break: keep-all;
}

.art-body blockquote p {
  margin: 0;
}

.art-body hr {
  border: none;
  margin: 2rem auto;
  text-align: center;
  overflow: visible;
  height: 1.2rem;
}

.art-body hr::after {
  content: '◆  ◆  ◆';
  font-size: 0.45rem;
  letter-spacing: 0.4em;
  color: rgba(26, 26, 26, 0.35);
  position: relative;
  top: -0.3rem;
}

/* Side progress bar */
.art-progress-side {
  position: fixed;
  right: 1.5rem;
  top: 0;
  width: 2px;
  height: 100dvh;
  background: rgba(26, 26, 26, 0.08);
  z-index: 50;
  pointer-events: none;
}

.art-progress-side-fill {
  width: 100%;
  height: 0%;
  background: var(--stone-dark);
  /* Changed from var(--navy) */
  transition: height 0.1s linear;
}

/* Floating prev/next nav */
.art-float-nav {
  position: fixed;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  display: flex;
  gap: var(--space-lg);
  align-items: center;
  background: rgba(240, 239, 235, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  padding: var(--space-xs) var(--space-md);
  z-index: 200;
  opacity: 0;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
  pointer-events: none;
}

.art-float-nav.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.art-float-prev,
.art-float-next {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--text);
  text-decoration: none;
  text-transform: uppercase;
}

.art-float-prev:hover,
.art-float-next:hover {
  color: var(--stone-dark);
  /* Changed from var(--navy) */
}

.art-float-prev[href="#"],
.art-float-next[href="#"] {
  opacity: 0.3;
  pointer-events: none;
}

/* Outro */
.art-outro {
  margin-top: var(--space-xxl);
  padding-bottom: var(--space-xxl);
}

.art-outro-rule {
  height: 1px;
  background: var(--text);
  margin-bottom: var(--space-md);
}

.art-outro-meta {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-lg);
  display: flex;
  gap: var(--space-lg);
}

.art-outro-nav {
  display: flex;
  justify-content: space-between;
}

.art-nav-link {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
  text-decoration: none;
  transition: color var(--duration) var(--ease);
}

.art-nav-link:hover {
  color: var(--text);
}

/* Article Mobile */
@media (max-width: 580px) {
  .art-container {
    padding-top: calc(60px + var(--space-md));
  }

  .art-header-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md) 0;
  }

  .art-header-meta {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  .art-title {
    font-size: clamp(1.8rem, 8vw, 2.6rem);
  }

  .art-content-grid {
    grid-template-columns: 1fr;
  }

  .art-sidebar {
    display: none;
  }

  .art-progress-side {
    display: none;
  }

  .art-float-nav {
    bottom: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    gap: var(--space-md);
  }
}

/* time-morning, time-afternoon: 기본값 유지 */


/* =============================================
   COMPONENT STANDARD LAYER v1.0
   새로 만드는 페이지는 이 클래스를 사용할 것.
   기존 클래스(arc-filter, cta-inline 등)는 건드리지 않음.
   ============================================= */

/* ─── Layout ─── */
.container {
  width: 100%;
  max-width: var(--max-content);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.container--wide {
  width: 100%;
  max-width: var(--max-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.container--content {
  width: 100%;
  max-width: var(--max-content);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.section {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.section--sm {
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
}

/* ─── Typography Utilities ─── */
.label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-faint);
}

.section-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-sub);
  margin-bottom: var(--space-lg);
}

/* ─── Buttons ─── */

/* .btn--text: 밑줄 텍스트 링크 버튼 (cta-inline 패턴)
   용도: "자세히 보기", "→ 이동" 같은 인라인 액션 */
.btn--text {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-sub);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  text-decoration: none;
  cursor: pointer;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  transition: color var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.btn--text:hover {
  color: var(--text);
  border-color: var(--text);
}

/* .btn--filter: 필터/탭 버튼 (arc-filter 패턴)
   용도: 카테고리 필터, 탭 전환 */
.btn--filter {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: var(--fw-regular);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 0;
  transition: color var(--duration) var(--ease);
}

.btn--filter:hover {
  color: var(--text-sub);
}

.btn--filter.active {
  color: var(--text);
}

/* .btn--solid: 채워진 버튼
   용도: 주요 액션, 제출, 저장 */
.btn--solid {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: var(--fw-regular);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--white);
  background: var(--stone-dark);
  /* Changed from var(--navy) */
  border: none;
  padding: 0.6rem 1.4rem;
  cursor: pointer;
  text-decoration: none;
  transition: opacity var(--duration) var(--ease);
}

.btn--solid:hover {
  opacity: 0.8;
}

.btn--solid--danger {
  background: #8B3A3A;
}

/* ─── Cards ─── */

/* .card: 기본 카드
   용도: 정보 표시, 리스트 아이템 */
.card {
  padding: var(--space-md);
  border: 1px solid var(--line);
  background: var(--white);
  display: flex;
  flex-direction: column;
}

/* .card--stat: 수치/통계 카드 (admin-stat-card 패턴)
   용도: Growth Dashboard 지표, 요약 수치 */
.card--stat {
  padding: var(--space-md) var(--space-lg);
  border: 1px solid var(--line);
  background: var(--white);
}

.card--stat .card-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-xs);
}

.card--stat .card-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: var(--fw-light);
  /* Changed from var(--fw-thin) */
  color: var(--text);
  letter-spacing: var(--ls-heading);
  line-height: 1;
}

.card--stat .card-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-faint);
  margin-top: var(--space-xs);
}

/* .card--lift: 호버 시 들어올려지는 카드 (content-card 패턴)
   용도: 콘텐츠 프리뷰 그리드 */
.card--lift {
  padding: var(--space-md);
  border: 1px solid var(--line);
  background: var(--white);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.card--lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
}

/* ─── Grid Layouts ─── */

/* stat-grid: 통계 카드 레이아웃 */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.stat-grid>* {
  background: var(--white);
}

/* ─── Divider ─── */
.divider {
  border: none;
  border-top: 1px solid var(--line);
  margin: var(--space-lg) 0;
}

/* ─── Status Badge ─── */
.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.60rem;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  padding: 2px 8px;
  border: 1px solid currentColor;
}

.badge--active {
  color: #3A6B4A;
}

.badge--warn {
  color: #8B6A1B;
}

.badge--muted {
  color: var(--text-faint);
}

/* ─── Empty State ─── */
.empty-state {
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: var(--ls-label);
}

/* ─── Mobile Adjustments ─── */
@media (max-width: 768px) {
  html {
    font-size: 15px;
    -webkit-font-smoothing: subpixel-antialiased;
    -moz-osx-font-smoothing: auto;
  }

  body {
    font-weight: 400;
  }

  .container {
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }

  .section {
    padding-top: var(--space-lg);
    padding-bottom: var(--space-lg);
  }

  .card--stat {
    padding: var(--space-md);
  }

  .card--stat .card-value {
    font-size: 1.6rem;
  }

  .stat-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ============================================================
   THE_ORIGIN v3.1 — 레이아웃 시스템
   site-nav / home / archive / practice / about / article / footer
   ============================================================ */

/* ─── Site Nav (신규) ─── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-md);
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.nav-brand {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  color: var(--text);
  text-decoration: none;
  border-bottom: none !important;
}

.nav-brand:hover {
  opacity: 0.6;
}

.site-nav .nav-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

.site-nav .nav-links a {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-sub);
  border-bottom: none !important;
  transition: color var(--duration) var(--ease-out);
}

.site-nav .nav-links a:hover,
.site-nav .nav-links a.active {
  color: var(--text);
}

.site-nav .nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: transparent;
  border: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
}

.site-nav .nav-toggle span {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--text);
  transition: transform var(--duration) var(--ease-out),
    opacity var(--duration) var(--ease-out);
}

.site-nav .nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-nav .nav-toggle[aria-expanded="true"] span:nth-child(2) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 199;
  background: var(--bg);
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: var(--space-xl) var(--space-md);
  gap: var(--space-lg);
}

.nav-overlay.open {
  display: flex;
}

.nav-overlay a {
  font-family: var(--font-body);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--text);
  border-bottom: none !important;
  opacity: 0;
  transform: translateX(-8px);
  animation: nav-item-in 0.4s var(--ease-out) forwards;
}

.nav-overlay a:nth-child(1) {
  animation-delay: 0.05s;
}

.nav-overlay a:nth-child(2) {
  animation-delay: 0.12s;
}

.nav-overlay a:nth-child(3) {
  animation-delay: 0.19s;
}

@keyframes nav-item-in {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@media (max-width: 768px) {
  .site-nav {
    height: 60px;
  }

  .site-nav .nav-links {
    display: none;
  }

  .site-nav .nav-toggle {
    display: flex;
  }
}

/* ─── Page wrap ─── */
.page-main {
  position: relative;
  z-index: 1;
  padding-top: 80px;
}

@media (max-width: 768px) {
  .page-main {
    padding-top: 60px;
  }
}

/* ─── Reveal ─── */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Wave BG SVG (Practice, About) ─── */
.wave-bg {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120vmax;
  height: 120vmax;
  max-width: none;
  z-index: 0;
  pointer-events: none;
  opacity: 0.6;
  overflow: visible;
}

/* ─── Field BG canvas ─── */
.field-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  width: 100%;
  height: 100%;
}

/* ─── Nav Symbol ─── */
.nav-symbol {
  height: 32px;
  width: auto;
  opacity: 0.7;
  transition: opacity var(--duration) var(--ease-out);
}

.nav-brand:hover .nav-symbol {
  opacity: 1;
}

/* ─── Home ─── */
.page-home {
  background: var(--bg);
}

.home-hero {
  position: relative;
  z-index: 1;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.home-hero__svg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.home-hero__graphic {
  width: min(70vw, 500px);
  height: auto;
  opacity: 0.7;
  color: var(--text);
}

.home-brand {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: var(--fw-light);
  letter-spacing: 0.28em;
  color: var(--text-faint);
  text-transform: uppercase;
  opacity: 0;
  animation: hb-fade 2s var(--ease-wave) 0.8s both;
}

@keyframes hb-fade {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Home Below (하단 세션) ─── */
.home-below {
  position: relative;
  z-index: 1;
  background: var(--bg);
  padding: var(--space-2xl) 0;
}

.home-tagline {
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--line);
}

.home-tagline p {
  font-size: 1.1rem;
  font-weight: var(--fw-light);
  color: var(--text-sub);
  letter-spacing: var(--ls-tight);
  line-height: 1.8;
}

.home-entries {
  padding-top: var(--space-lg);
}

.home-entry {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: opacity var(--duration) var(--ease-out);
}

.home-entry:hover {
  opacity: 0.55;
}

.home-entry__label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text);
}

.home-entry__desc {
  font-size: 0.85rem;
  font-weight: var(--fw-light);
  color: var(--text-faint);
}

.home-entry__arrow {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-faint);
  transition: color var(--duration) var(--ease-out);
}

.home-entry:hover .home-entry__arrow {
  color: var(--text);
}

@media (max-width: 640px) {
  .home-entry {
    grid-template-columns: 1fr auto;
  }

  .home-entry__desc {
    display: none;
  }
}

/* ─── Footer Symbol ─── */
.footer-symbol {
  width: 28px;
  height: auto;
  opacity: 0.4;
  margin-bottom: var(--space-md);
}

.footer-meta {
  display: flex;
  gap: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  color: var(--text-faint);
  margin-top: var(--space-sm);
}

/* ─── Archive ─── */
.archive-hero {
  padding: var(--space-xl) 0 var(--space-md);
}

.archive-filter {
  display: flex;
  gap: var(--space-md);
  padding-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-faint);
  background: transparent;
  border: none;
  border-bottom: 1px solid transparent;
  cursor: pointer;
  padding-bottom: 2px;
  transition: color var(--duration) var(--ease-out),
    border-color var(--duration) var(--ease-out);
}

.filter-btn:hover {
  color: var(--text-sub);
}

.filter-btn.active {
  color: var(--text);
  border-bottom-color: var(--text);
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  padding-bottom: var(--space-2xl);
}

@media (max-width: 960px) {
  .archive-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .archive-grid {
    grid-template-columns: 1fr;
  }
}

.archive-card {
  display: flex;
  flex-direction: column;
  padding: 2.2rem 1.8rem;
  border: 1px solid var(--line);
  background: var(--bg);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.8s cubic-bezier(0.19, 1, 0.22, 1),
    transform 0.8s cubic-bezier(0.19, 1, 0.22, 1),
    background-color 0.8s cubic-bezier(0.19, 1, 0.22, 1);
}

.archive-card:hover {
  border-color: var(--text-faint);
  background: var(--bg-dark);
  transform: translateY(-6px) scale(1.01);
}

.archive-card:hover {
  border-bottom-color: var(--text-faint);
}

.archive-card__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-xs);
}

.archive-card__title {
  display: block;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1.1rem;
  letter-spacing: var(--ls-tight);
  color: var(--text);
  margin-bottom: var(--space-xs);
  line-height: 1.4;
}

.archive-card__date {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--text-faint);
  margin-bottom: var(--space-xs);
}

.archive-card__preview {
  display: block;
  font-family: 'Crimson Text', Georgia, serif;
  font-style: italic;
  font-size: 0.85rem;
  color: var(--text-sub);
  line-height: 1.5;
}

/* ─── Practice ─── */
.practice-hero {
  padding: var(--space-xl) 0 var(--space-lg);
}

.practice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  padding-bottom: var(--space-xl);
}

@media (max-width: 640px) {
  .practice-grid {
    grid-template-columns: 1fr;
  }
}

.practice-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.5rem 2.0rem;
  border: 1px solid var(--line);
  background: var(--bg);
  text-decoration: none;
  color: inherit;
  min-height: 240px;
  transition: border-color 0.8s cubic-bezier(0.19, 1, 0.22, 1),
    transform 0.8s cubic-bezier(0.19, 1, 0.22, 1),
    background-color 0.8s cubic-bezier(0.19, 1, 0.22, 1);
}

.practice-card:hover {
  border-color: var(--stone-light);
  background: var(--bg-dark);
  transform: translateY(-6px) scale(1.01);
}

.practice-card[data-status="hold"] {
  opacity: 0.38;
  pointer-events: none;
}

.practice-card__name {
  display: block;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1.25rem;
  letter-spacing: var(--ls-tight);
  color: var(--text);
  margin-bottom: var(--space-xs);
}

.practice-card__sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  color: var(--text-faint);
}

.practice-card__desc {
  display: block;
  font-size: 0.85rem;
  color: var(--text-sub);
  line-height: 1.7;
  margin-top: var(--space-md);
}

.practice-card__arrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-faint);
  margin-top: var(--space-md);
  transition: color var(--duration) var(--ease-out);
}

.practice-card:hover .practice-card__arrow {
  color: var(--text);
}

.practice-contact {
  padding-bottom: var(--space-2xl);
}

.practice-contact-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--text);
  font-size: 1rem;
  font-weight: 300;
  border-left: none;
  border-right: none;
  transition: opacity var(--duration) var(--ease-out);
}

.practice-contact-link:hover {
  opacity: 0.6;
  border-top-color: var(--line);
  border-bottom-color: var(--line);
}

/* ─── Service 상세 ─── */
.service-hero {
  padding: var(--space-xl) 0 var(--space-lg);
}

.service-stack {
  padding-bottom: var(--space-2xl);
}

.service-item {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--line);
  align-items: start;
}

.service-item:last-child {
  border-bottom: 1px solid var(--line);
}

@media (max-width: 640px) {
  .service-item {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
}

.service-item__name {
  font-weight: 400;
  font-size: 1rem;
  letter-spacing: var(--ls-tight);
}

.service-item__meta {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  color: var(--text-faint);
  margin-top: var(--space-xs);
}

.service-item__body {
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.85;
}

/* ─── Contact ─── */
.contact-hero {
  padding: var(--space-xl) 0 var(--space-lg);
}

.contact-body {
  max-width: var(--max-content);
  padding-bottom: var(--space-2xl);
}

.contact-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--line);
}

.contact-field:last-of-type {
  border-bottom: 1px solid var(--line);
}

.contact-field label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-faint);
}

.contact-field input,
.contact-field textarea,
.contact-field select {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 300;
  color: var(--text);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  padding: var(--space-xs) 0;
  outline: none;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color var(--duration) var(--ease-out);
}

.contact-field input:focus,
.contact-field textarea:focus {
  border-bottom-color: var(--text);
}

.contact-field textarea {
  resize: none;
  min-height: 120px;
  line-height: 1.7;
}

.contact-submit {
  display: inline-block;
  margin-top: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--text);
  padding-bottom: 2px;
  cursor: pointer;
  transition: opacity var(--duration) var(--ease-out);
}

.contact-submit:hover {
  opacity: 0.5;
}

/* ─── Practice lead ─── */
.practice-lead {
  font-size: 0.85rem;
  color: var(--text-sub);
  line-height: 1.7;
  margin-top: var(--space-sm);
  font-weight: var(--fw-light);
  animation: wave-fade-in 2.0s var(--ease-wave) 0.3s both;
}

.practice-card--hold {
  opacity: 0.32;
  pointer-events: none;
}

/* ─── About ─── */
.about-manifesto {
  padding: var(--space-2xl) 0 var(--space-xl);
  max-width: var(--max-content);
  margin: 0 auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.about-manifesto__text {
  font-size: 1.5rem;
  font-weight: var(--fw-light);
  line-height: 1.8;
  color: var(--text);
  letter-spacing: var(--ls-heading);
  animation: wave-fade-in 2.4s var(--ease-wave) both;
}

@keyframes wave-fade-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.about-body {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--space-md) var(--space-xl);
}

.about-body p {
  font-size: 0.92rem;
  color: var(--text-sub);
  line-height: 2.0;
  margin-bottom: var(--space-md);
  font-weight: var(--fw-light);
}

.about-divider {
  border: none;
  border-top: 1px solid var(--line);
  max-width: var(--max-content);
  margin: 0 auto;
}

/* 파동 호흡 — 구분선에 은은한 맥동 */
.about-divider,
.practice-contact-link {
  animation: line-breathe var(--breath) ease-in-out infinite;
}

@keyframes line-breathe {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

.about-links {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md) var(--space-2xl);
}

.about-link {
  display: grid;
  grid-template-columns: 160px 1fr auto;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: opacity var(--duration) var(--ease-out);
}

@media (max-width: 640px) {
  .about-link {
    grid-template-columns: 1fr auto;
  }

  .about-link__desc {
    display: none;
  }
}

.about-link:last-child {
  border-bottom: 1px solid var(--line);
}

.about-link:hover {
  opacity: 0.6;
}

.about-link__label {
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--text);
}

.about-link__arrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  transition: color var(--duration) var(--ease-out);
}

.about-link__desc {
  font-size: 0.82rem;
  color: var(--text-faint);
  font-weight: var(--fw-light);
}

.about-link:hover .about-link__arrow {
  color: var(--text);
}

/* Editor */
.editor-hero {
  padding: var(--space-xl) 0 var(--space-lg);
}

.editor-profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-bottom: var(--space-xl);
}

.editor-photo {
  width: 280px;
  height: 280px;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.15) brightness(0.95);
  display: block;
  margin-bottom: var(--space-lg);
  border-radius: 2px;
}

@media (max-width: 640px) {
  .editor-photo {
    width: 200px;
    height: 200px;
  }
}

.editor-name {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-wide);
  color: var(--text);
  margin-bottom: var(--space-xs);
}

.editor-title {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--text-sub);
  margin-bottom: var(--space-sm);
}

.editor-bio {
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--text-sub);
  max-width: 360px;
  line-height: 1.8;
}

.editor-links {
  width: 100%;
  max-width: var(--max-content);
  margin: 0 auto;
  padding-bottom: var(--space-2xl);
}

.editor-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 300;
  letter-spacing: 0.02em;
  border-bottom: none;
  border-left: none;
  border-right: none;
  transition: opacity 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}

.editor-link:last-child {
  border-bottom: 1px solid var(--line);
}

.editor-link:hover {
  opacity: 0.6;
}

.editor-link span:last-child {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-faint);
}

/* ─── Article ─── */
.art-body {
  padding-bottom: var(--space-2xl);
}

.art-header {
  padding: var(--space-xl) 0 var(--space-lg);
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--space-xl);
}

.art-content {
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text);
}

.art-content p {
  margin-bottom: 2.0em;
}

.art-content h2 {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1.25rem;
  letter-spacing: var(--ls-heading);
  margin: var(--space-2xl) 0 var(--space-md);
  color: var(--text);
}

.art-content blockquote {
  font-family: 'Crimson Text', Georgia, serif;
  font-style: italic;
  font-size: 1.3rem;
  color: var(--stone-dark);
  border-left: 2px solid var(--navy);
  padding-left: 1.5rem;
  margin: 3.5rem 0;
  line-height: 1.6;
  letter-spacing: 0.02em;
}

@media (max-width: 640px) {
  .art-content {
    font-size: 0.9rem;
    line-height: 1.75;
  }
}

/* ─── Footer (High-end Minimal Grid) ─── */
.site-footer {
  position: relative;
  z-index: 10;
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: var(--space-2xl) 0 var(--space-xl);
}

.footer-inner {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.footer-col {
  display: flex;
  flex-direction: column;
}

.brand-col .footer-brand {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  color: var(--text);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
}

.brand-col .footer-desc {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: var(--fw-light);
  color: var(--text-sub);
  line-height: 1.5;
  letter-spacing: var(--ls-tight);
}

.link-col .footer-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-label);
  color: var(--text-faint);
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-nav a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-sub);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color var(--duration) var(--ease-out);
}

.footer-nav a:hover {
  color: var(--text);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: var(--space-lg);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-faint);
  letter-spacing: var(--ls-label);
}

.footer-legal {
  display: flex;
  gap: var(--space-md);
}

.footer-legal a {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: var(--ls-label);
  text-decoration: none;
  transition: color var(--duration) var(--ease-out);
}

.footer-legal a:hover {
  color: var(--text-sub);
}

@media (max-width: 768px) {
  .site-footer {
    padding: var(--space-xl) 0 var(--space-lg);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@supports (padding: env(safe-area-inset-bottom)) {
  .site-footer {
    padding-bottom: calc(var(--space-xl) + env(safe-area-inset-bottom));
  }
}

/* ─── woosunho 포트폴리오 ─── */
.ws-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.ws-nav a {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-wide);
  color: var(--text);
  border-bottom: none !important;
}

.ws-header {
  padding-top: calc(60px + var(--space-lg));
  padding-bottom: var(--space-md);
}

.ws-header__name {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-wide);
  color: var(--text);
  text-transform: uppercase;
  display: block;
  margin-bottom: var(--space-xs);
}

.ws-header__role {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: var(--fw-light);
  color: var(--text-faint);
  letter-spacing: var(--ls-label);
}

.ws-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  padding-bottom: var(--space-2xl);
}

@media (max-width: 960px) {
  .ws-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .ws-grid {
    grid-template-columns: 1fr;
  }
}

.ws-item {
  display: block;
  text-decoration: none;
  color: inherit;
  border-bottom: none !important;
}

.ws-item__img-wrap {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-dark);
}

.ws-item__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(10%) brightness(0.97);
  transition: filter var(--duration) var(--ease-out),
    transform var(--duration) var(--ease-out);
}

.ws-item:hover .ws-item__img {
  filter: grayscale(0) brightness(1);
  transform: scale(1.02);
}

.ws-item__caption {
  padding: var(--space-xs) 0 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.ws-item__title {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: var(--fw-light);
  color: var(--text-sub);
  letter-spacing: var(--ls-label);
}

.ws-item__year {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--text-faint);
}

/* ─── JS site.js에서 사용할 reveal 트리거 ─── */
/* IntersectionObserver → .is-visible 추가로 동작 */