/* ZHUSHA Chinese (lang-house-cn V3) — 朱砂 SIGNATURE
 * 朱砂紅 #C42021 + 篆書 + hanji paper + seal motif + Great Wall hero
 * Vertical-strip nav (PC left side) — distinct from all other themes
 */

@import url('https://fonts.googleapis.com/css2?family=Ma+Shan+Zheng&family=ZCOOL+XiaoWei&family=Noto+Serif+SC:wght@400;600;900&family=Noto+Serif+KR:wght@400;700;900&family=Noto+Sans+SC:wght@300;400;500;700&family=Noto+Sans+KR:wght@300;400;500;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --zhu:        #C42021;          /* 朱砂紅 cinnabar */
  --zhu-deep:   #8d1417;          /* deeper red */
  --zhu-light:  #e15555;          /* lighter red */
  --ink:        #1a1410;          /* 먹색 */
  --paper:      #f4ebd6;          /* 한지 베이지 */
  --paper-deep: #ebe0c4;          /* slightly darker */
  --gold:       #c9a23b;          /* 金 */
  --gray:       #6b6055;
  --line:       rgba(26,20,16,0.18);

  --display:    'Ma Shan Zheng', 'ZCOOL XiaoWei', 'Noto Serif KR', serif;
  --serif:      'Noto Serif SC', 'Noto Serif KR', serif;
  --sans:       'Noto Sans SC', 'Noto Sans KR', system-ui, sans-serif;
  --mono:       'JetBrains Mono', ui-monospace, monospace;

  --rail-w:     220px;
  --max-w:      1180px;
  --gutter:     32px;
  --radius:     2px;              /* sharp seal-stamp aesthetic */

  --z-banner:   120;
  --z-rail:     90;
  --z-burger:   100;
  --z-drawer:   110;
  --banner-h:   0px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  /* hanji paper texture */
  background-image:
    radial-gradient(circle at 20% 30%, rgba(196,32,33,0.04) 0%, transparent 60%),
    radial-gradient(circle at 80% 70%, rgba(201,162,59,0.04) 0%, transparent 60%);
  background-attachment: fixed;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: 0; color: inherit; }
input, select, textarea {
  font: inherit; color: var(--ink);
  background: var(--paper-deep);
  border: 1px solid var(--ink); border-radius: 0;
  padding: 14px 16px; font-size: 16px; width: 100%;
  transition: border-color .2s, background .2s;
  font-family: var(--serif);
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--zhu); background: #fff;
}

/* ── Demo Banner ─────────────────────────────────── */
.demo-banner {
  position: fixed; top: 0; left: 0; right: 0; z-index: var(--z-banner);
  background: var(--ink); color: var(--paper);
  padding: 8px 16px; text-align: center;
  font-family: var(--serif); font-size: 12px; letter-spacing: 0.06em;
  border-bottom: 2px solid var(--zhu);
}
.demo-banner a { color: var(--gold); border-bottom: 1px dotted currentColor; }
body.has-banner { padding-top: var(--banner-h); }

/* ── Vertical Strip Nav (LEFT side, signature unique) ─ */
.nav-rail {
  position: fixed; top: var(--banner-h); left: 0; bottom: 0;
  width: var(--rail-w);
  background: var(--paper-deep);
  border-right: 3px solid var(--ink);
  padding: 32px 24px 24px;
  display: flex; flex-direction: column; gap: 6px;
  z-index: var(--z-rail);
  overflow-y: auto;
}
.nav-rail::before {
  content: ''; position: absolute; top: 0; right: 0; bottom: 0;
  width: 3px; background: var(--zhu);
  box-shadow: 4px 0 0 var(--paper-deep), 7px 0 0 var(--ink);
}
.nav-seal {
  width: 64px; height: 64px;
  background: var(--zhu);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  font-family: var(--display); color: var(--paper); font-size: 36px;
  border: 3px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  letter-spacing: -0.05em;
}
.nav-brand {
  font-family: var(--display); font-size: 22px; color: var(--ink);
  border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.nav-brand-en {
  display: block; font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em;
  color: var(--zhu); margin-top: 4px;
}
.nav-rail .nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; font-family: var(--serif); font-size: 14px;
  color: var(--ink); border: 0; border-left: 3px solid transparent;
  transition: background .2s, border-color .2s, color .2s;
}
.nav-rail .nav-link::before {
  content: '·'; font-family: var(--display); color: var(--zhu); font-size: 22px; line-height: 0;
}
.nav-rail .nav-link:hover, .nav-rail .nav-link.active {
  background: var(--paper); border-left-color: var(--zhu); color: var(--zhu-deep); font-weight: 600;
}
.nav-cta {
  margin-top: 16px;
  background: var(--zhu); color: var(--paper) !important;
  padding: 14px 18px; text-align: center;
  font-family: var(--display); font-size: 18px;
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform .15s, box-shadow .15s;
}
.nav-cta:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); background: var(--zhu-deep); }
.nav-user {
  margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 6px;
}
.nav-user-link {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--gray);
  text-transform: uppercase;
}
.nav-user-link:hover { color: var(--zhu); }
.nav-user-cta { color: var(--zhu); font-weight: 600; }

/* ── Lang toggle (top right) ─────────────────────── */
.lang-toggle {
  position: fixed; top: calc(var(--banner-h) + 14px); right: 16px; z-index: 95;
  background: var(--ink); color: var(--paper);
  padding: 8px 16px; font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase;
  border: 0; box-shadow: 3px 3px 0 var(--zhu);
  transition: transform .15s;
}
.lang-toggle:hover { transform: translate(-2px, -2px); box-shadow: 5px 5px 0 var(--zhu); }

/* ── Mobile burger ───────────────────────────────── */
.nav-burger {
  display: none;
  position: fixed; top: calc(var(--banner-h) + 14px); right: 16px; z-index: var(--z-burger);
  width: 48px; height: 48px;
  background: var(--zhu); color: var(--paper);
  border: 2px solid var(--ink);
  font-family: var(--display); font-size: 24px;
  align-items: center; justify-content: center;
  box-shadow: 4px 4px 0 var(--ink);
}

/* ── Drawer (mobile menu) ────────────────────────── */
.drawer {
  position: fixed; top: 0; right: 0;
  width: min(320px, 88vw); height: 100vh; height: 100dvh;
  background: var(--paper-deep);
  border-left: 4px solid var(--zhu);
  z-index: var(--z-drawer);
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.2,.8,.2,1);
  padding: 80px 28px 28px;
  display: flex; flex-direction: column; gap: 14px;
  overflow-y: auto;
}
.drawer.open { transform: translateX(0); }
.drawer-backdrop {
  position: fixed; inset: 0; background: rgba(26,20,16,0.5);
  z-index: calc(var(--z-drawer) - 1); opacity: 0; pointer-events: none;
  transition: opacity .3s;
}
.drawer-backdrop.show { opacity: 1; pointer-events: auto; }
.drawer-close {
  position: absolute; top: 24px; right: 24px;
  width: 48px; height: 48px;
  background: var(--zhu); color: var(--paper);
  border: 2px solid var(--ink);
  font-family: var(--display); font-size: 26px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform .2s; z-index: 2;
}
body.has-banner .drawer-close { top: calc(var(--banner-h) + 24px); }   /* banner clearance — dynamic */
.drawer-close:hover { transform: rotate(90deg); }
.drawer a {
  font-family: var(--display); font-size: 22px;
  color: var(--ink); padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.drawer a:hover { color: var(--zhu); }
.drawer .drawer-divider { width: 60%; height: 2px; background: var(--zhu); margin: 16px auto; border: 0; opacity: 0.4; }
.drawer .drawer-user-link { font-family: var(--mono); font-size: 14px; letter-spacing: 0.1em; color: var(--zhu) !important; text-transform: uppercase; }

/* drawer-open: floating UI 숨김 (rule from skill 1A-3) */
body.drawer-open .nav-burger,
body.drawer-open .lang-toggle { display: none !important; }
body.drawer-open { overflow: hidden; }

/* ── Main content area ───────────────────────────── */
main {
  margin-left: var(--rail-w);
  padding: 50px 0 80px;
  min-height: 100vh;
}
.section {
  padding: 80px var(--gutter) 60px;
  border-bottom: 1px dashed var(--line);
}
.section:last-of-type { border-bottom: 0; }
.container { max-width: var(--max-w); margin: 0 auto; }
.sec-eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.24em;
  color: var(--zhu); text-transform: uppercase; margin-bottom: 12px;
}
.sec-title {
  font-family: var(--display); font-size: clamp(34px, 4.6vw, 54px);
  color: var(--ink); line-height: 1.1; margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.sec-title-cn { color: var(--zhu); margin-right: 8px; }
.sec-sub {
  font-family: var(--serif); font-style: normal; font-size: 17px;
  color: var(--gray); margin-bottom: 36px; max-width: 720px; line-height: 1.6;
}

/* ── HERO — Great Wall + 朱砂 seal ───────────────── */
#hero {
  padding: 80px var(--gutter) 100px;
  position: relative; min-height: 720px;
  display: flex; align-items: center;
  background: linear-gradient(135deg, var(--paper) 0%, var(--paper-deep) 100%);
}
.hero-wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; max-width: var(--max-w); margin: 0 auto; width: 100%; }
.hero-text { position: relative; }
.hero-eyebrow {
  font-family: var(--display); color: var(--zhu); font-size: 18px;
  margin-bottom: 16px; letter-spacing: 0.05em;
}
.hero-title {
  font-family: var(--display); font-size: clamp(52px, 7.5vw, 96px);
  color: var(--ink); line-height: 1.0; margin-bottom: 24px;
  letter-spacing: -0.02em; white-space: pre-line;
}
.hero-title .accent { color: var(--zhu); }
.hero-sub {
  font-family: var(--serif); font-size: 18px; color: var(--gray);
  margin-bottom: 32px; max-width: 480px; line-height: 1.6;
}
.hero-meta {
  display: flex; gap: 24px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.2em;
  color: var(--ink); border-top: 2px solid var(--ink); padding-top: 16px; max-width: 480px;
}
.hero-img-wrap {
  position: relative;
  border: 4px solid var(--ink); padding: 8px;
  background: var(--paper);
  box-shadow: 8px 8px 0 var(--zhu), 8px 8px 0 4px var(--ink);
}
.hero-img-wrap img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.hero-seal-stamp {
  position: absolute; top: -30px; right: -30px;
  width: 90px; height: 90px;
  background: var(--zhu); color: var(--paper);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--display); font-size: 36px;
  border: 3px solid var(--ink);
  border-radius: 50%;
  transform: rotate(-12deg);
  box-shadow: 4px 4px 0 var(--ink);
}

/* ── About / 朱砂 哲學 ──────────────────────────── */
#about .about-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 24px;
}
.about-pillar {
  border: 2px solid var(--ink); background: var(--paper);
  padding: 28px 22px; position: relative;
  box-shadow: 4px 4px 0 var(--zhu);
}
.about-pillar-num {
  position: absolute; top: -12px; right: -12px;
  width: 40px; height: 40px;
  background: var(--zhu); color: var(--paper);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--display); font-size: 22px;
  border: 2px solid var(--ink);
}
.about-pillar h3 { font-family: var(--display); font-size: 24px; color: var(--ink); margin-bottom: 10px; }
.about-pillar p { font-family: var(--serif); font-size: 14px; color: var(--gray); line-height: 1.55; }

/* ── Faculty — 印章 namecard mosaic ──────────────── */
#faculty .faculty-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px;
}
.faculty-card {
  position: relative; background: var(--paper); border: 2px solid var(--ink);
  padding: 0; transition: transform .25s, box-shadow .25s;
}
.faculty-card:hover { transform: translate(-4px, -4px); box-shadow: 8px 8px 0 var(--zhu), 8px 8px 0 4px var(--ink); }
.faculty-card-img {
  width: 100%; aspect-ratio: 4/5; object-fit: cover;
  filter: grayscale(0.3) sepia(0.1);
  border-bottom: 2px solid var(--ink);
}
.faculty-card-seal {
  position: absolute; top: 12px; right: 12px;
  width: 56px; height: 56px;
  background: var(--zhu); color: var(--paper);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--display); font-size: 32px;
  border: 2px solid var(--paper);
  box-shadow: 0 0 0 2px var(--ink);
  transform: rotate(-8deg);
}
.faculty-card-body { padding: 20px 18px; }
.faculty-card-name { font-family: var(--display); font-size: 22px; color: var(--ink); margin-bottom: 4px; }
.faculty-card-name-ko { font-family: var(--serif); font-size: 13px; color: var(--gray); margin-bottom: 12px; }
.faculty-card-role {
  display: inline-block; font-family: var(--mono); font-size: 10px; letter-spacing: 0.15em;
  color: var(--zhu); padding: 2px 8px; border: 1px solid var(--zhu);
  text-transform: uppercase; margin-bottom: 10px;
}
.faculty-card-qual { font-family: var(--serif); font-size: 13px; color: var(--ink); line-height: 1.55; }

/* ── Programs — HSK level circle (signature 3) ───── */
#programs .hsk-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.hsk-card {
  background: var(--paper); border: 2px solid var(--ink);
  padding: 32px 24px; position: relative; transition: transform .25s, box-shadow .25s;
}
.hsk-card:hover { transform: translate(-4px, -4px); box-shadow: 8px 8px 0 var(--zhu); }
.hsk-circle {
  width: 128px; height: 128px; margin: 0 auto 20px;
  position: relative;
}
.hsk-circle svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.hsk-circle .track { fill: none; stroke: var(--paper-deep); stroke-width: 8; }
.hsk-circle .bar   { fill: none; stroke: var(--zhu); stroke-width: 8; stroke-linecap: round; transition: stroke-dasharray 1.2s ease; }
.hsk-circle-label {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  font-family: var(--display); color: var(--ink);
}
.hsk-circle-label .num { font-size: 38px; line-height: 1; color: var(--zhu); }
.hsk-circle-label .lbl { font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em; color: var(--gray); margin-top: 4px; text-transform: uppercase; }
.hsk-card h3 { font-family: var(--display); font-size: 24px; color: var(--ink); text-align: center; margin-bottom: 8px; }
.hsk-card-meta {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px;
  padding-top: 16px; border-top: 1px dashed var(--line);
  font-family: var(--mono); font-size: 11px; color: var(--gray);
}
.hsk-card-meta strong { color: var(--ink); display: block; font-size: 14px; margin-top: 2px; }

/* ── Hanzi Lab — stroke order signature ──────────── */
#hanzi { background: var(--paper-deep); }
.hanzi-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.hanzi-stage {
  background: var(--paper); border: 3px solid var(--ink);
  padding: 32px; aspect-ratio: 1/1; max-width: 480px;
  position: relative;
  box-shadow: 8px 8px 0 var(--zhu);
}
.hanzi-stage::before {
  content: ''; position: absolute; top: 50%; left: 0; right: 0; height: 1px;
  background: rgba(196,32,33,0.15); pointer-events: none;
}
.hanzi-stage::after {
  content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 1px;
  background: rgba(196,32,33,0.15); pointer-events: none;
}
.hanzi-stage svg { width: 100%; height: 100%; }
.hanzi-stage svg path { fill: none; stroke: var(--ink); stroke-width: 8; stroke-linecap: round; stroke-linejoin: round; }
.hanzi-stage svg path.draw {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: stroke-draw 1.2s ease forwards;
}
@keyframes stroke-draw {
  to { stroke-dashoffset: 0; }
}
.hanzi-info { font-family: var(--serif); }
.hanzi-info-char { font-family: var(--display); font-size: 96px; color: var(--zhu); line-height: 1; margin-bottom: 16px; }
.hanzi-info-pinyin { font-family: var(--mono); font-size: 22px; color: var(--ink); letter-spacing: 0.05em; margin-bottom: 8px; }
.hanzi-info-meaning { font-size: 18px; color: var(--gray); margin-bottom: 24px; }
.hanzi-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 20px; }
.hanzi-tab {
  padding: 10px 16px; font-family: var(--display); font-size: 24px;
  background: var(--paper); border: 2px solid var(--ink); color: var(--ink);
  transition: background .2s, color .2s;
}
.hanzi-tab:hover { background: var(--paper-deep); }
.hanzi-tab.active { background: var(--zhu); color: var(--paper); }

/* ── Hanzi search (signature 5) ──────────────────── */
.hanzi-search-wrap { margin-top: 36px; padding: 24px; border: 2px dashed var(--zhu); background: var(--paper); }
.hanzi-search-wrap label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; color: var(--zhu); display: block; margin-bottom: 8px; text-transform: uppercase; }
.hanzi-search-input {
  font-family: var(--display); font-size: 32px; text-align: center;
  background: var(--paper-deep); border: 2px solid var(--ink); padding: 12px;
}
.hanzi-search-result {
  margin-top: 16px; padding: 16px; background: var(--paper-deep); border-left: 4px solid var(--zhu);
  font-family: var(--serif); font-size: 14px; color: var(--ink); display: none;
}
.hanzi-search-result.show { display: block; }
.hanzi-search-result .big { font-family: var(--display); font-size: 48px; color: var(--zhu); line-height: 1; margin-right: 16px; vertical-align: middle; }
.hanzi-search-result .pinyin { font-family: var(--mono); color: var(--gray); }

/* ── 4성 Tone Visualizer (signature 2) ───────────── */
#tones .tones-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
.tone-card {
  background: var(--paper); border: 2px solid var(--ink);
  padding: 24px; transition: transform .25s, box-shadow .25s;
}
.tone-card:hover { transform: translate(-3px, -3px); box-shadow: 6px 6px 0 var(--zhu); }
.tone-header { display: flex; align-items: baseline; gap: 12px; margin-bottom: 12px; }
.tone-num {
  font-family: var(--display); font-size: 36px; color: var(--zhu); line-height: 1;
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--ink); flex-shrink: 0;
}
.tone-name { font-family: var(--serif); font-weight: 700; font-size: 18px; color: var(--ink); }
.tone-symbol { font-family: var(--display); font-size: 36px; color: var(--zhu); margin-left: auto; }
.tone-svg-wrap { background: var(--paper-deep); border: 1px solid var(--ink); padding: 12px; margin: 12px 0; }
.tone-svg-wrap svg { width: 100%; height: 100px; display: block; }
.tone-svg-wrap svg path {
  fill: none; stroke: var(--zhu); stroke-width: 4; stroke-linecap: round;
  stroke-dasharray: 400; stroke-dashoffset: 400;
  animation: tone-draw 1.6s ease forwards;
}
@keyframes tone-draw {
  to { stroke-dashoffset: 0; }
}
.tone-desc { font-family: var(--serif); font-size: 13px; color: var(--gray); }

/* ── Schedule (week grid) ───────────────────────── */
#schedule .schedule-table {
  width: 100%; border: 2px solid var(--ink); background: var(--paper);
  font-family: var(--mono); font-size: 12px;
}
.schedule-table th { background: var(--ink); color: var(--paper); padding: 10px 12px; text-align: left; font-weight: 500; letter-spacing: 0.1em; }
.schedule-table td { padding: 10px 12px; border-top: 1px solid var(--line); border-right: 1px dashed var(--line); }
.schedule-table tr:hover { background: var(--paper-deep); }
.schedule-pill { display: inline-block; padding: 2px 8px; background: var(--zhu); color: var(--paper); font-size: 10px; letter-spacing: 0.12em; }

/* ── Alumni ─────────────────────────────────────── */
#alumni .alumni-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.alumni-card {
  background: var(--paper); border: 2px solid var(--ink);
  padding: 0; position: relative;
}
.alumni-card-img { width: 100%; aspect-ratio: 4/5; object-fit: cover; border-bottom: 2px solid var(--ink); filter: sepia(0.15); }
.alumni-card-body { padding: 20px 18px; }
.alumni-card-name { font-family: var(--display); font-size: 20px; color: var(--ink); margin-bottom: 4px; }
.alumni-card-name-cn { font-family: var(--display); font-size: 14px; color: var(--zhu); margin-bottom: 12px; }
.alumni-card-career { font-family: var(--serif); font-weight: 600; font-size: 14px; color: var(--ink); margin-bottom: 10px; }
.alumni-card-quote {
  font-family: var(--serif); font-style: italic; font-size: 13px; color: var(--gray); line-height: 1.55;
  border-left: 3px solid var(--zhu); padding-left: 12px;
}
.alumni-card-year { position: absolute; top: 12px; right: 12px; background: var(--ink); color: var(--paper); font-family: var(--mono); font-size: 10px; padding: 4px 8px; letter-spacing: 0.1em; }

/* ── Process — vertical timeline w/ Chinese numerals ─ */
#process .process-list { display: grid; gap: 0; max-width: 720px; }
.process-step {
  display: grid; grid-template-columns: 80px 1fr; gap: 24px;
  padding: 24px 0; border-bottom: 1px dashed var(--line);
  align-items: start;
}
.process-step:last-child { border-bottom: 0; }
.process-num {
  width: 64px; height: 64px;
  background: var(--zhu); color: var(--paper);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--display); font-size: 38px;
  border: 3px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
}
.process-content h4 { font-family: var(--display); font-size: 26px; color: var(--ink); margin-bottom: 6px; }
.process-content p { font-family: var(--serif); font-size: 15px; color: var(--gray); line-height: 1.6; }

/* ── Press — quote cards ────────────────────────── */
#press .press-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.press-card {
  background: var(--paper); border-left: 6px solid var(--zhu);
  padding: 24px 28px; position: relative;
  box-shadow: 4px 4px 0 var(--ink);
}
.press-quote { font-family: var(--serif); font-style: italic; font-size: 17px; color: var(--ink); line-height: 1.55; margin-bottom: 14px; }
.press-quote::before { content: '“'; font-family: var(--display); font-size: 48px; color: var(--zhu); line-height: 0; position: relative; top: 12px; margin-right: 4px; }
.press-source { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; color: var(--gray); text-transform: uppercase; }

/* ── Studio ─────────────────────────────────────── */
#studio .studio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.studio-card { border: 2px solid var(--ink); position: relative; overflow: hidden; }
.studio-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: transform .4s; }
.studio-card:hover img { transform: scale(1.05); }
.studio-label {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: var(--ink); color: var(--paper);
  padding: 10px 14px; font-family: var(--display); font-size: 16px;
}

/* ── Stats ──────────────────────────────────────── */
#stats { background: var(--ink); color: var(--paper); }
#stats .sec-eyebrow { color: var(--zhu-light); }
#stats .sec-title { color: var(--paper); }
#stats .sec-title-cn { color: var(--zhu-light); }
#stats .sec-sub { color: rgba(244,235,214,0.7); }
#stats .stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 32px; }
.stat-cell {
  text-align: center; padding: 28px;
  border: 2px solid var(--paper);
  background: rgba(244,235,214,0.05);
}
.stat-num { font-family: var(--display); font-size: 80px; color: var(--zhu-light); line-height: 1; }
.stat-suffix { font-size: 36px; color: var(--paper); margin-left: 4px; }
.stat-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; color: var(--paper); margin-top: 12px; text-transform: uppercase; }

/* ── CTA ────────────────────────────────────────── */
#cta { background: var(--paper-deep); }
.cta-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: start; }
.cta-form { display: grid; gap: 14px; }
.cta-form label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; color: var(--zhu); text-transform: uppercase; margin-bottom: 4px; display: block; }
.cta-form button {
  background: var(--zhu); color: var(--paper);
  padding: 16px 32px; font-family: var(--display); font-size: 22px;
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  margin-top: 8px;
  transition: transform .15s;
}
.cta-form button:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); background: var(--zhu-deep); }
.cta-info {
  background: var(--paper); border: 2px solid var(--ink); padding: 24px;
  font-family: var(--serif); font-size: 14px; color: var(--ink);
}
.cta-info-line { padding: 8px 0; border-bottom: 1px dashed var(--line); display: flex; justify-content: space-between; gap: 16px; }
.cta-info-line:last-child { border-bottom: 0; }
.cta-info-line strong { font-family: var(--mono); font-size: 11px; letter-spacing: 0.15em; color: var(--zhu); text-transform: uppercase; }

/* ── Footer ─────────────────────────────────────── */
.footer {
  margin-left: var(--rail-w);
  background: var(--ink); color: var(--paper);
  padding: 60px var(--gutter) 24px;
}
.footer-inner { max-width: var(--max-w); margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.footer-brand .footer-logo { font-family: var(--display); font-size: 32px; color: var(--zhu-light); margin-bottom: 12px; }
.footer-brand p { font-family: var(--serif); font-size: 14px; color: rgba(244,235,214,0.7); }
.footer-col h5 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; color: var(--zhu-light); margin-bottom: 12px; text-transform: uppercase; }
.footer-col a { display: block; font-family: var(--serif); font-size: 14px; color: var(--paper); padding: 4px 0; }
.footer-col a:hover { color: var(--zhu-light); }
.footer-meta {
  max-width: var(--max-w); margin: 32px auto 0; padding-top: 20px;
  border-top: 1px solid rgba(244,235,214,0.2);
  font-family: var(--mono); font-size: 11px; color: rgba(244,235,214,0.5);
  display: flex; justify-content: space-between; gap: 16px;
}

/* ── Reveal animation ───────────────────────────── */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .9s, transform .9s; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ── Responsive — Mobile ────────────────────────── */
@media (max-width: 1024px) {
  .nav-rail { display: none; }
  main { margin-left: 0; padding: 36px 0 60px; }
  .footer { margin-left: 0; }
  .nav-burger { display: flex; }
  .lang-toggle { top: calc(var(--banner-h) + 14px); right: 76px; }
  .hero-wrap { grid-template-columns: 1fr; gap: 28px; }
  .hero-img-wrap { max-width: 480px; margin: 0 auto; }
  .hero-seal-stamp { top: -20px; right: -20px; width: 70px; height: 70px; font-size: 28px; }
  #about .about-grid { grid-template-columns: repeat(2, 1fr); }
  #faculty .faculty-grid { grid-template-columns: repeat(2, 1fr); }
  #programs .hsk-grid { grid-template-columns: repeat(2, 1fr); }
  .hanzi-wrap { grid-template-columns: 1fr; }
  #tones .tones-grid { grid-template-columns: 1fr; }
  #alumni .alumni-grid { grid-template-columns: 1fr 1fr; }
  #press .press-grid { grid-template-columns: 1fr; }
  #studio .studio-grid { grid-template-columns: 1fr 1fr; }
  #stats .stats-grid { grid-template-columns: 1fr; }
  .cta-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-meta { flex-direction: column; gap: 8px; text-align: center; }
}
@media (max-width: 768px) {
  .section { padding: 60px 20px 50px; }
  #hero { padding: 60px 20px 80px; }
  .hero-title { font-size: clamp(40px, 11vw, 60px); }
  .hero-meta { font-size: 10px; gap: 14px; }
  #faculty .faculty-grid, #programs .hsk-grid, #alumni .alumni-grid, #studio .studio-grid {
    grid-template-columns: 1fr;
  }
  .schedule-table { font-size: 11px; }
  .schedule-table th, .schedule-table td { padding: 6px 8px; }
  input, select, textarea { font-size: 16px; }
}
@media (max-width: 480px) {
  .hero-title { font-size: 44px; }
  .nav-burger { width: 44px; height: 44px; font-size: 22px; }
  .lang-toggle { font-size: 10px; padding: 6px 10px; }
}

/* ── Reduce motion ──────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* 1D 강화 — universal cursor follower v2 */
.cursor-follower{position:fixed; top:0; left:0; width:32px; height:32px; border:2px solid currentColor; border-radius:50%; pointer-events:none; z-index:9999; transform:translate(-50%,-50%); transition:transform .15s ease-out, width .25s, height .25s, background .25s; mix-blend-mode:difference; opacity:.85}
.cursor-follower.cursor-grow{width:60px; height:60px; background:rgba(255,255,255,.1)}
.cursor-follower.cursor-shrink{width:8px; height:8px}
.nav-cta, .nav-signup, [class*="-form-submit"], [class*="-cta"] a{transition:transform .25s cubic-bezier(.34,1.56,.64,1), box-shadow .3s !important}
[class*="-card"]{transition:transform .35s cubic-bezier(.2,.85,.4,1.275), box-shadow .35s, border-color .25s !important}
@media (max-width:768px){.cursor-follower{display:none !important}}

/* 1D-2 cursor diversify — Chinese 朱 漢 */
.cursor-follower{border-color:#b91d2b; mix-blend-mode:normal; border-radius:0; border-width:2px; box-shadow:2px 2px 0 #1a1a1a, 0 0 14px rgba(185,29,43,.5)}
.cursor-follower::before{content:"漢"; position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); color:#b91d2b; font-size:12px; font-family:"Noto Serif SC",serif; font-weight:700}

/* 1D-4 mobile interaction — touch ripple + particle (universal) */
@media (max-width:768px){
  .touch-ripple{position:fixed; pointer-events:none; z-index:9998; border-radius:50%; transform:translate(-50%,-50%); animation:touch-ripple-anim .6s ease-out forwards; mix-blend-mode:multiply}
  @keyframes touch-ripple-anim{
    0%{width:10px; height:10px; opacity:.7; border:2px solid currentColor; background:transparent}
    100%{width:80px; height:80px; opacity:0; border:1px solid currentColor; background:transparent}
  }
  .touch-particle{position:fixed; pointer-events:none; z-index:9998; transform:translate(-50%,-50%); transition:all 1.2s ease-out; opacity:.9; font-size:14px}
  /* iOS smooth scroll + active feedback */
  a, button, [class*="-card"]{-webkit-tap-highlight-color:transparent}
  a:active, button:active, [class*="-card"]:active{transform:scale(.97); transition:transform .1s}
}


/* ===========================================
   RETROFIT v1.27 — motionsites integration
   slug: lang-house-cn
   effects: Q, R
   =========================================== */
/* === retrofit v1.27 motionsites marquee (MIT) === */
.marquee, .ticker, .scroll-x { overflow: hidden; }
.marquee > *:first-child, .ticker > *:first-child {
  display: flex; gap: 60px; width: max-content;
  animation: rt-marquee 30s linear infinite;
}
@keyframes rt-marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee > *, .ticker > * { animation: none; } }/* === retrofit v1.27 motionsites badge-orbit (MIT) === */
@media (prefers-reduced-motion: no-preference) {
  .stat-grid, .badge-row, [class*="-stats"], [class*="-badges"] {
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .stat-grid:hover, .badge-row:hover, [class*="-stats"]:hover, [class*="-badges"]:hover {
    transform: rotate(0.5deg);
  }
}