:root{
  /* === Brand v2 (한중망 2.0) === */
  --bg:#f0f0ea;              /* Warm Ivory (배경) */
  --bg-elev:#e7e6df;         /* Ivory 한 단계 어두운 톤 */
  --fg:#1a1a1a;
  --fg-dim:#4a4a4a;
  --muted:#7a7a7a;
  --line:rgba(38,62,90,0.12);
  --primary:#263E5A;         /* Deep Navy — 지성 */
  --primary-soft:#3d5577;
  --primary-deep:#1a2a3f;
  --accent:#B1ADD2;          /* Soft Lavender — 존중 */
  --accent-soft:#cac7e0;
  --accent-deep:#8d89b4;
  /* 본문은 Noto Sans, 강조·슬로건은 문체부 쓰기 정체(KR) / LXGW WenKai(CN) */
  --font-sans:'Noto Sans KR','Noto Sans SC',-apple-system,system-ui,sans-serif;
  --font-display:'Gowun Batang','LXGW WenKai','Noto Serif KR','Noto Serif SC',serif;
  --gutter:clamp(20px,4vw,80px);
  --section:clamp(80px,10vw,160px);
  --radius:10px;
  --ease:cubic-bezier(.22,1,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--fg);font-family:var(--font-sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;scroll-behavior:smooth}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;background:none;border:none;color:inherit}

html[data-lang="kr"] .lang-cn{display:none !important}
html[data-lang="cn"] .lang-kr{display:none !important}
html[data-lang="cn"]{font-family:'Noto Sans SC','Noto Sans KR',sans-serif}

.container{max-width:1280px;margin:0 auto;padding:0 var(--gutter)}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;backdrop-filter:saturate(180%) blur(14px);background:rgba(240,240,234,.78);border-bottom:1px solid transparent;transition:border-color .3s var(--ease),background .3s var(--ease)}
.nav.scrolled{border-bottom-color:var(--line);background:rgba(240,240,234,.92)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:-.01em;font-size:20px;color:var(--primary);font-family:var(--font-display)}
.brand small{font-weight:500;color:var(--muted);font-size:13px;letter-spacing:.04em;align-self:flex-end;padding-bottom:3px}
.brand .back-arrow{color:var(--accent);margin-right:2px;align-self:center}
.brand-logo{height:34px;width:auto;flex-shrink:0}
.nav-links{display:flex;gap:28px}
.nav-links a{color:var(--fg-dim);font-size:14px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--primary)}
.lang-toggle{display:inline-flex;gap:2px;border:1px solid var(--line);border-radius:999px;padding:3px;background:var(--bg)}
.lang-toggle button{padding:5px 14px;font-size:12px;font-weight:600;border-radius:999px;color:var(--muted);transition:all .2s}
.lang-toggle button.active{background:var(--primary);color:#fff}
@media (max-width:780px){.nav-links{display:none}}

/* Hero */
.hero{padding:calc(68px + var(--section)) 0 var(--section);position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:60px;align-items:center}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:40px}}
.hero-kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;color:var(--accent);font-weight:600;letter-spacing:.06em;text-transform:uppercase;margin-bottom:22px}
.hero-kicker::before{content:"";width:28px;height:1px;background:var(--accent)}
.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--primary);font-family:var(--font-display)}
.hero h1 .alt{display:block;color:var(--fg);font-weight:600;margin-top:14px;opacity:.78;font-size:.66em}
.hero p.sub{font-size:clamp(16px,1.4vw,19px);color:var(--fg-dim);margin-top:28px;max-width:560px;line-height:1.7}
.hero-cta{display:inline-flex;align-items:center;gap:12px;margin-top:36px;padding:16px 28px;background:var(--primary);color:#fff;font-weight:600;border-radius:999px;font-size:15px;transition:transform .25s var(--ease),background .25s}
.hero-cta:hover{transform:translateY(-2px);background:var(--accent)}
.hero-cta::after{content:"→";transition:transform .25s}
.hero-cta:hover::after{transform:translateX(4px)}

.hero-visual{position:relative;aspect-ratio:4/5;border-radius:var(--radius);overflow:hidden;background:linear-gradient(160deg,#ffffff 0%,var(--bg) 48%,var(--accent-soft) 100%);box-shadow:0 24px 60px -24px rgba(38,62,90,.28);border:1px solid var(--line);display:flex;align-items:center;justify-content:center}
.hero-visual::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 72% 14%,rgba(177,173,210,.28),transparent 56%),radial-gradient(circle at 18% 92%,rgba(255,255,255,.65),transparent 52%)}
.hero-logo{position:relative;z-index:1;max-height:70%;max-width:62%;width:auto;filter:drop-shadow(0 14px 30px rgba(38,62,90,.16))}
.hero-meta{position:absolute;right:22px;top:22px;text-align:right;z-index:2}
.hero-meta .big{font-size:48px;font-weight:700;line-height:1;color:var(--primary);letter-spacing:-.02em;font-family:var(--font-display)}
.hero-meta .label{font-size:12px;color:var(--primary-soft);margin-top:6px;letter-spacing:.05em;font-weight:600}
.hero-meta .label::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent-soft);margin-right:6px;vertical-align:middle;box-shadow:0 0 0 4px rgba(141,137,180,.25);animation:pulse 2.4s infinite}

/* Section common */
section{padding:var(--section) 0;position:relative}
.section-head{max-width:680px;margin-bottom:64px}
.eyebrow{display:inline-block;font-size:12px;color:var(--accent);font-weight:600;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}
.section-title{font-size:clamp(28px,3.6vw,44px);font-weight:700;letter-spacing:-.01em;line-height:1.3;color:var(--primary);font-family:var(--font-display)}
.section-lead{margin-top:18px;font-size:17px;color:var(--fg-dim);line-height:1.7}

/* Philosophy */
.philosophy{background:var(--bg-elev)}
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
@media (max-width:900px){.value-grid{grid-template-columns:1fr}}
.value-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:36px;display:flex;flex-direction:column;gap:18px;transition:transform .3s var(--ease),box-shadow .3s}
.value-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px -20px rgba(38,62,90,.2)}
.value-num{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.1em}
.value-title{font-size:24px;font-weight:700;color:var(--primary);line-height:1.3}
.value-body{font-size:15px;color:var(--fg-dim);line-height:1.7}
.value-tag{font-size:12px;color:var(--muted);font-weight:500;margin-top:auto;padding-top:18px;border-top:1px dashed var(--line);letter-spacing:.04em}

/* History */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:80px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:48px 0}
@media (max-width:700px){.stats{grid-template-columns:1fr;gap:32px;padding:32px 0}}
.stat{text-align:center}
.stat-num{font-size:clamp(48px,7vw,84px);font-weight:700;color:var(--primary);letter-spacing:-.04em;line-height:1}
.stat-num small{font-size:.4em;color:var(--accent);font-weight:600;margin-left:6px;letter-spacing:0}
.stat-label{margin-top:12px;color:var(--fg-dim);font-size:14px;letter-spacing:.04em}

.timeline-wrap{margin-bottom:80px}
.timeline-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:32px;gap:20px;flex-wrap:wrap}
.timeline-head h3{font-size:22px;font-weight:700;color:var(--primary)}
.timeline-head .hint{font-size:13px;color:var(--muted)}
.timeline-scroll{overflow-x:auto;padding-bottom:14px;margin:0 calc(var(--gutter)*-1);padding-left:var(--gutter);padding-right:var(--gutter);scrollbar-width:thin}
.timeline-scroll::-webkit-scrollbar{height:6px}
.timeline-scroll::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.timeline{position:relative;display:flex;gap:32px;min-width:max-content;padding:20px 0 30px}
.timeline::before{content:"";position:absolute;left:0;right:0;top:42px;height:1px;background:var(--line)}
.season{width:240px;flex-shrink:0;position:relative;padding-top:60px}
.season::before{content:"";position:absolute;left:50%;top:36px;transform:translateX(-50%);width:13px;height:13px;border-radius:50%;background:var(--bg);border:2px solid var(--primary);z-index:1}
.season.participated::before{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 6px rgba(177,173,210,.12)}
.season.current::before{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 6px rgba(177,173,210,.22);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 6px rgba(177,173,210,.22)}50%{box-shadow:0 0 0 14px rgba(177,173,210,.04)}}
.season-num{font-size:14px;font-weight:700;color:var(--accent);letter-spacing:.08em;text-align:center}
.season-num.current{color:var(--accent-deep)}
.season-date{font-size:12px;color:var(--muted);text-align:center;margin-top:4px}
.season-topic{margin-top:18px;font-size:14px;font-weight:600;color:var(--primary);text-align:center;line-height:1.4;min-height:38px}
.season-change{margin-top:14px;font-size:12px;color:var(--fg-dim);text-align:center;line-height:1.5;padding:0 6px}
.season-badge{display:inline-block;font-size:10px;font-weight:700;letter-spacing:.06em;padding:3px 8px;border-radius:999px;margin-top:10px}
.season-badge.me{background:rgba(177,173,210,.1);color:var(--accent)}
.season-badge.live{background:var(--accent);color:#fff}
.season-badge.done{background:rgba(38,62,90,.08);color:var(--fg-dim)}

.tag-cloud{margin-bottom:60px}
.tag-cloud h3{font-size:18px;font-weight:600;color:var(--primary);margin-bottom:20px}
.tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{display:inline-block;padding:8px 16px;font-size:13px;color:var(--fg-dim);background:var(--bg-elev);border-radius:999px;font-weight:500;transition:all .2s}
.tag:hover{background:var(--primary);color:#fff}

.gallery-head{font-size:18px;font-weight:600;color:var(--primary);margin-bottom:20px}
.gallery-scroll{overflow-x:auto;margin:0 calc(var(--gutter)*-1);padding:0 var(--gutter) 14px;scrollbar-width:thin}
.gallery{display:flex;gap:16px;min-width:max-content}
.gallery-card{width:280px;aspect-ratio:4/3;border-radius:var(--radius);background:linear-gradient(135deg,var(--primary-soft),var(--primary));position:relative;overflow:hidden;flex-shrink:0;color:rgba(255,255,255,.55);display:flex;align-items:flex-end;justify-content:flex-start;padding:18px;font-size:12px;letter-spacing:.06em}
.gallery-card:nth-child(2n){background:linear-gradient(135deg,var(--accent-soft),var(--accent))}
.gallery-card:nth-child(3n){background:linear-gradient(135deg,var(--primary),var(--accent-deep))}
.gallery-card::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 30%,rgba(255,255,255,.15),transparent 50%)}

/* Voices */
.voices{background:var(--bg-elev)}
.voice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media (max-width:760px){.voice-grid{grid-template-columns:1fr}}
.voice-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:32px;display:flex;flex-direction:column;gap:20px;position:relative}
.voice-card::before{content:"\201C";position:absolute;top:18px;right:24px;font-size:64px;color:var(--accent);opacity:.18;font-family:Georgia,serif;line-height:1}
.voice-text{font-size:15px;color:var(--fg);line-height:1.7;flex:1}
.voice-meta{display:flex;align-items:center;gap:12px;padding-top:20px;border-top:1px solid var(--line)}
.voice-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:13px}
.voice-name{font-size:14px;font-weight:600;color:var(--primary)}
.voice-role{font-size:12px;color:var(--muted);margin-top:2px}
.flag-kr{color:#cd2e3a;font-weight:700}
.flag-cn{color:#de2910;font-weight:700}

/* CLASSES (Join 자리 교체) */
.classes-intro{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:20px;margin-bottom:48px;padding-bottom:28px;border-bottom:1px solid var(--line)}
.classes-intro-meta{display:flex;align-items:center;gap:14px;color:var(--accent);font-size:13px;font-weight:600;letter-spacing:.06em}
.classes-intro-meta::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent-soft);box-shadow:0 0 0 4px rgba(141,137,180,.25);animation:pulse 2.4s infinite}

.classes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
@media (max-width:980px){.classes-grid{grid-template-columns:1fr}}
.class-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s;color:inherit;position:relative}
.class-card:hover{transform:translateY(-6px);box-shadow:0 24px 50px -24px rgba(38,62,90,.28)}
.class-card-cover{aspect-ratio:5/3;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;padding:22px;color:#fff}
.class-card-cover::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.2),transparent 55%),radial-gradient(circle at 80% 90%,rgba(0,0,0,.18),transparent 50%)}
.cover-diary{background:linear-gradient(135deg,var(--primary-soft),var(--accent))}
.cover-literature{background:linear-gradient(135deg,var(--primary),var(--primary-deep))}
.cover-discussion{background:linear-gradient(135deg,var(--primary-deep),var(--accent-deep))}

.class-level{position:relative;display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:700;letter-spacing:.12em;color:rgba(255,255,255,.85);padding:6px 12px;border:1px solid rgba(255,255,255,.3);border-radius:999px;background:rgba(255,255,255,.06);align-self:flex-start;backdrop-filter:blur(4px)}
.class-cover-tag{position:relative;align-self:flex-end;font-size:42px;font-weight:700;letter-spacing:-.02em;color:rgba(255,255,255,.85);line-height:1}
.class-cover-tag small{display:block;font-size:11px;font-weight:600;letter-spacing:.16em;color:rgba(255,255,255,.55);margin-top:6px}

.class-card-body{padding:32px;display:flex;flex-direction:column;gap:18px;flex:1}
.class-name{font-size:24px;font-weight:700;color:var(--primary);letter-spacing:-.01em;line-height:1.3}
.class-tag{font-size:14px;color:var(--fg-dim);line-height:1.6}

.class-leader{display:flex;align-items:center;gap:12px;padding:16px;background:var(--bg-elev);border-radius:8px}
.class-leader-avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex-shrink:0}
.class-leader-name{font-size:14px;font-weight:600;color:var(--primary)}
.class-leader-role{font-size:12px;color:var(--muted);margin-top:2px}

.class-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;padding-top:18px;border-top:1px dashed var(--line);font-size:13px;color:var(--fg-dim)}
.class-meta-item{display:flex;align-items:center;gap:6px}
.class-meta-item::before{content:"·";color:var(--accent);font-weight:700}
.class-cta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:20px;border-top:1px solid var(--line);font-size:14px;font-weight:600;color:var(--primary);transition:color .2s}
.class-cta::after{content:"→";transition:transform .25s var(--ease);color:var(--accent)}
.class-card:hover .class-cta{color:var(--accent)}
.class-card:hover .class-cta::after{transform:translateX(6px)}

/* Contact */
.contact{padding:120px 0;text-align:center}
.contact h3{font-size:clamp(24px,2.6vw,32px);color:var(--primary);font-weight:700;margin-bottom:16px}
.contact p{color:var(--fg-dim);font-size:16px;max-width:520px;margin:0 auto 32px}
.contact-links{display:flex;gap:24px;justify-content:center;flex-wrap:wrap}
.contact-link{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border:1px solid var(--line);border-radius:999px;font-size:14px;font-weight:500;color:var(--fg);transition:all .2s}
.contact-link:hover{background:var(--primary);color:#fff;border-color:var(--primary)}

/* Footer */
.footer{padding:40px 0;border-top:1px solid var(--line);background:var(--bg-elev)}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--muted)}
.footer-meta{display:flex;gap:20px}

/* ===== CLASS DETAIL PAGE ===== */
.detail-hero{padding:calc(68px + 80px) 0 80px;position:relative;overflow:hidden;color:#fff}
.detail-hero.theme-diary{background:linear-gradient(135deg,#1f2a52 0%,var(--primary) 70%)}
.detail-hero.theme-literature{background:linear-gradient(135deg,var(--primary) 0%,var(--accent-deep) 100%)}
.detail-hero.theme-discussion{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-deep) 100%)}
.detail-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 0%,rgba(255,255,255,.12),transparent 50%),radial-gradient(circle at 0% 100%,rgba(0,0,0,.18),transparent 55%);pointer-events:none}
.detail-hero-inner{position:relative;max-width:880px}
.detail-level{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border:1px solid rgba(255,255,255,.3);border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.12em;background:rgba(255,255,255,.08);margin-bottom:24px;backdrop-filter:blur(4px)}
.detail-title{font-size:clamp(40px,5.5vw,64px);font-weight:700;letter-spacing:-.01em;line-height:1.2;margin-bottom:20px;font-family:var(--font-display)}
.detail-title .alt{display:block;font-size:.45em;font-weight:500;color:rgba(255,255,255,.7);margin-top:14px;letter-spacing:0}
.detail-sub{font-size:clamp(17px,1.6vw,21px);color:rgba(255,255,255,.82);line-height:1.6;max-width:680px;margin-bottom:42px}
.detail-meta{display:flex;flex-wrap:wrap;gap:14px 32px;padding-top:32px;border-top:1px solid rgba(255,255,255,.18)}
.detail-meta-item{display:flex;flex-direction:column;gap:4px;font-size:14px}
.detail-meta-item .k{font-size:11px;color:rgba(255,255,255,.55);letter-spacing:.08em;text-transform:uppercase}
.detail-meta-item .v{font-weight:600;color:#fff}

.detail-main{padding:clamp(40px,5vw,64px) 0 clamp(60px,8vw,100px)}
.detail-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:48px;align-items:start}
@media (max-width:980px){.detail-grid{grid-template-columns:1fr;gap:40px}}

.detail-section{margin-bottom:clamp(24px,2.6vw,36px)}
.detail-section:last-child{margin-bottom:0}
.detail-h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;color:var(--primary);letter-spacing:-.02em;margin-bottom:20px;line-height:1.3}
.detail-h2-eyebrow{display:inline-block;font-size:11px;color:var(--accent);font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:8px}

/* leader card (sticky sidebar) */
.leader-card{position:sticky;top:90px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;display:flex;flex-direction:column;gap:18px;box-shadow:0 16px 50px -28px rgba(38,62,90,.18)}
.leader-card-eyebrow{font-size:11px;font-weight:700;color:var(--accent);letter-spacing:.14em;text-transform:uppercase}
.leader-portrait{aspect-ratio:1;border-radius:var(--radius);background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-size:56px;font-weight:700;letter-spacing:-.02em;position:relative;overflow:hidden}
.leader-portrait::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.2),transparent 55%)}
.leader-portrait .ch{position:relative}
.leader-name{font-size:22px;font-weight:700;color:var(--primary);line-height:1.3}
.leader-name small{display:block;font-size:13px;color:var(--muted);font-weight:500;margin-top:6px;letter-spacing:.04em}
.leader-role{font-size:13px;color:var(--accent);font-weight:600;letter-spacing:.04em}
.leader-badge{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--accent);background:rgba(177,173,210,.08);border:1px solid rgba(177,173,210,.2);padding:5px 10px;border-radius:999px;align-self:flex-start;margin-top:-4px}
.leader-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.leader-bio{font-size:14px;color:var(--fg-dim);line-height:1.7}
.leader-quote{margin-top:8px;padding:18px;background:var(--bg-elev);border-left:3px solid var(--accent);border-radius:6px;font-size:14px;color:var(--fg);line-height:1.6;font-style:italic}

/* points */
.points-list{display:flex;flex-direction:column;gap:14px}
.point{display:flex;gap:18px;padding:22px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:transform .2s var(--ease)}
.point:hover{transform:translateY(-2px)}
.point-num{flex-shrink:0;width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.point-body h4{font-size:17px;font-weight:700;color:var(--primary);margin-bottom:6px}
.point-body p{font-size:14px;color:var(--fg-dim);line-height:1.7}

/* recommend (checklist) */
.recommend{background:var(--bg-elev);border-radius:var(--radius);padding:36px}
.recommend-list{display:flex;flex-direction:column;gap:14px;margin-top:8px}
.recommend-item{display:flex;align-items:flex-start;gap:14px;font-size:15px;color:var(--fg);line-height:1.6}
.recommend-item::before{content:"✓";flex-shrink:0;width:24px;height:24px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;margin-top:1px}

/* curriculum table */
.curriculum{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.curriculum-row{display:grid;grid-template-columns:80px 1fr;gap:24px;padding:20px 24px;border-bottom:1px solid var(--line);align-items:center}
.curriculum-row:last-child{border-bottom:none}
.curriculum-row:nth-child(odd){background:var(--bg-elev)}
.curriculum-week{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.08em}
.curriculum-topic{font-size:15px;color:var(--fg);line-height:1.5}
.curriculum-topic strong{color:var(--primary);font-weight:600}

/* reviews (smaller variant) */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media (max-width:760px){.review-grid{grid-template-columns:1fr}}

/* apply card */
.apply-card{background:var(--primary);color:#fff;border-radius:var(--radius);padding:clamp(32px,4vw,56px);position:relative;overflow:hidden;margin-top:48px}
.apply-card::before{content:"";position:absolute;right:-100px;top:-100px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(141,137,180,.32),transparent 70%)}
.apply-card-inner{position:relative;display:grid;grid-template-columns:1.4fr auto;gap:40px;align-items:center}
@media (max-width:760px){.apply-card-inner{grid-template-columns:1fr;gap:28px}}
.apply-card h3{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.02em;line-height:1.3;margin-bottom:14px}
.apply-card p{font-size:15px;color:rgba(255,255,255,.78);line-height:1.6}
.apply-buttons{display:flex;flex-direction:column;gap:12px}
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 28px;background:#fff;color:var(--primary);font-weight:700;border-radius:999px;font-size:15px;transition:transform .2s var(--ease),background .2s;white-space:nowrap}
.btn-primary:hover{transform:translateY(-2px);background:var(--accent-soft);color:#fff}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 28px;color:#fff;border:1px solid rgba(255,255,255,.25);border-radius:999px;font-weight:500;font-size:15px;white-space:nowrap}

/* back link in detail */
.back-link{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;font-weight:500;margin-bottom:24px;transition:color .2s}
.back-link:hover{color:var(--accent)}
.back-link::before{content:"←"}

/* ===== RESPONSIVE ===== */
body{overflow-x:hidden}

/* 980px 이하: 1단 레이아웃에서 sticky 해제 */
@media (max-width:980px){
  .leader-card{position:static}
}

/* 태블릿/큰 폰 (≤ 768px) */
@media (max-width:768px){
  :root{
    --section:clamp(56px,8vw,80px);
  }
  .nav-inner{gap:12px}
  .brand{font-size:18px}
  .hero{padding:calc(68px + 32px) 0 var(--section)}
  .hero h1{font-size:clamp(30px,6vw,42px)}
  .hero p.sub{font-size:16px;margin-top:22px}
  .hero-cta{padding:14px 24px;font-size:14px;margin-top:28px}
  .hero-visual{aspect-ratio:16/11}
  .hero-meta{right:18px;top:18px}
  .hero-meta .big{font-size:44px}
  .hero-visual-label{left:18px;bottom:18px;font-size:11px}
  .section-head{margin-bottom:40px}
  .section-title{font-size:clamp(24px,4.5vw,32px)}
  .stats{padding:36px 0;margin-bottom:56px}
  .timeline-wrap{margin-bottom:56px}
  .tag-cloud{margin-bottom:40px}
  .season{width:220px}
  .gallery-card{width:240px}
  .value-card{padding:28px}
  .voice-card{padding:24px}
  .classes-intro{padding-bottom:20px;margin-bottom:32px}
  .class-card-body{padding:24px;gap:16px}
  .class-cover-tag{font-size:36px}
  .detail-hero{padding:calc(68px + 36px) 0 56px}
  .detail-title{margin-bottom:16px}
  .detail-sub{font-size:16px;margin-bottom:32px}
  .detail-meta{gap:12px 24px;padding-top:24px}
  .detail-meta-item{font-size:13px}
  .recommend{padding:28px}
  .leader-card{padding:24px;gap:14px}
  .leader-portrait{aspect-ratio:16/10;font-size:48px}
  .point{padding:18px 20px;gap:14px}
  .point-num{width:32px;height:32px;font-size:13px}
  .curriculum-row{grid-template-columns:60px 1fr;gap:16px;padding:18px 20px}
  .apply-card{padding:32px;margin-top:40px}
}

/* 작은 폰 (≤ 480px) */
@media (max-width:480px){
  :root{
    --gutter:18px;
    --section:48px;
  }
  html,body{font-size:16px}
  .nav-inner{height:56px;gap:8px}
  .brand{font-size:16px;gap:6px}
  .brand small{display:none}
  .lang-toggle button{padding:5px 11px;font-size:11px}
  .hero{padding:calc(56px + 28px) 0 48px}
  .hero-grid{gap:32px}
  .hero-kicker{font-size:11px;letter-spacing:.04em;margin-bottom:18px}
  .hero-kicker::before{width:20px}
  .hero h1{font-size:clamp(26px,7vw,34px);line-height:1.25}
  .hero h1 .alt{font-size:.6em;margin-top:10px}
  .hero p.sub{font-size:15px;margin-top:18px;line-height:1.6}
  .hero-cta{padding:13px 22px;font-size:14px;margin-top:24px}
  .hero-visual{aspect-ratio:4/3}
  .hero-meta{right:16px;top:16px}
  .hero-meta .big{font-size:36px}
  .hero-meta .label{font-size:11px}
  .hero-visual-label{left:16px;bottom:16px;font-size:10px}
  .section-head{margin-bottom:32px}
  .eyebrow{font-size:11px;margin-bottom:10px}
  .section-title{font-size:clamp(22px,5.6vw,26px)}
  .section-lead{font-size:14px;margin-top:14px}
  /* philosophy */
  .value-grid{gap:16px}
  .value-card{padding:22px;gap:14px}
  .value-num{font-size:12px}
  .value-title{font-size:20px}
  .value-body{font-size:14px}
  .value-tag{font-size:11px;padding-top:14px}
  /* history */
  .stats{padding:28px 0;margin-bottom:48px;gap:24px}
  .stat-num{font-size:clamp(40px,12vw,56px)}
  .stat-num small{font-size:.42em}
  .stat-label{font-size:12px;margin-top:8px}
  .timeline-head h3{font-size:18px}
  .timeline-head .hint{font-size:12px}
  .timeline{gap:24px}
  .season{width:180px;padding-top:54px}
  .season-num{font-size:13px}
  .season-date{font-size:11px}
  .season-topic{font-size:13px;min-height:34px;margin-top:14px}
  .season-change{font-size:11px;margin-top:10px}
  .tag-cloud h3,.gallery-head{font-size:16px;margin-bottom:14px}
  .tag{padding:7px 13px;font-size:12px}
  .tags{gap:8px}
  .gallery{gap:12px}
  .gallery-card{width:200px;padding:14px;font-size:11px}
  /* voices */
  .voice-grid{gap:16px}
  .voice-card{padding:22px;gap:16px}
  .voice-text{font-size:14px;line-height:1.65}
  .voice-meta{padding-top:16px;gap:10px}
  .voice-avatar{width:32px;height:32px;font-size:12px}
  .voice-name{font-size:13px}
  .voice-role{font-size:11px}
  /* classes */
  .classes-grid{gap:20px}
  .classes-intro{padding-bottom:18px;margin-bottom:28px;gap:10px}
  .classes-intro-meta{font-size:12px;gap:10px}
  .class-card-cover{padding:18px}
  .class-level{font-size:10px;padding:5px 11px}
  .class-cover-tag{font-size:28px}
  .class-cover-tag small{font-size:10px;letter-spacing:.12em;margin-top:4px}
  .class-card-body{padding:22px;gap:14px}
  .class-name{font-size:22px}
  .class-tag{font-size:13px}
  .class-leader{padding:13px;gap:10px;border-radius:8px}
  .class-leader-avatar{width:36px;height:36px;font-size:13px}
  .class-leader-name{font-size:13px}
  .class-leader-role{font-size:11px}
  .class-meta{font-size:12px;gap:6px 12px;padding-top:14px}
  .class-cta{font-size:13px;padding-top:16px}
  /* contact */
  .contact{padding:72px 0}
  .contact h3{font-size:22px}
  .contact p{font-size:14px;margin-bottom:24px}
  .contact-link{padding:10px 18px;font-size:13px}
  .contact-links{gap:12px}
  /* footer */
  .footer{padding:28px 0}
  .footer-inner{font-size:12px;gap:10px;flex-direction:column;align-items:flex-start}
  .footer-meta{gap:14px;flex-wrap:wrap}

  /* DETAIL PAGE */
  .detail-hero{padding:calc(56px + 28px) 0 44px}
  .detail-level{padding:6px 12px;font-size:10px;margin-bottom:16px}
  .detail-title{margin-bottom:14px}
  .detail-title .alt{font-size:.42em;margin-top:10px}
  .detail-sub{font-size:14px;margin-bottom:28px;line-height:1.6}
  .detail-meta{gap:10px 18px;padding-top:18px}
  .detail-meta-item{font-size:13px}
  .detail-meta-item .k{font-size:10px}
  .detail-main{padding:20px 0 56px}
  .back-link{font-size:12px;margin-bottom:18px}
  .detail-grid{gap:32px}
  .detail-section{margin-bottom:22px}
  .detail-h2{font-size:clamp(20px,5.4vw,24px);margin-bottom:14px}
  .detail-h2-eyebrow{font-size:10px;margin-bottom:6px}
  .points-list{gap:10px}
  .point{padding:16px 18px;gap:12px}
  .point-num{width:28px;height:28px;font-size:12px}
  .point-body h4{font-size:15px;margin-bottom:5px}
  .point-body p{font-size:13px;line-height:1.65}
  .recommend{padding:22px}
  .recommend-item{font-size:14px;gap:12px}
  .recommend-item::before{width:22px;height:22px;font-size:11px}
  .curriculum-row{grid-template-columns:42px 1fr;gap:12px;padding:14px 16px}
  .curriculum-week{font-size:11px}
  .curriculum-topic{font-size:13px;line-height:1.5}
  .leader-card{padding:22px;gap:14px}
  .leader-card-eyebrow{font-size:10px}
  .leader-portrait{aspect-ratio:1;font-size:40px}
  .leader-name{font-size:20px}
  .leader-name small{font-size:12px}
  .leader-role{font-size:12px}
  .leader-badge{font-size:10px;padding:4px 9px;margin-top:0}
  .leader-bio{font-size:13px;line-height:1.65}
  .leader-quote{padding:14px;font-size:13px}
  .apply-card{padding:24px;margin-top:32px}
  .apply-card-inner{gap:20px}
  .apply-card h3{font-size:20px;margin-bottom:10px}
  .apply-card p{font-size:13px}
  .btn-primary,.btn-ghost{padding:13px 20px;font-size:14px}
}