/* 깊이와 통찰 · 학원 홈페이지 — 미니멀 럭셔리 (교재 컬렉션과 통일) */
/* 폰트는 index.html <head>에서 preconnect+link로 로드(빠름). @import 제거. */
:root{
  --bg:#000000; --bg2:#0B0B0D; --panel:#111114;
  --ink:#F5F5F7; --ink2:#D6D6DB; --mut:#8A8A90; --mut2:#5B5B62;
  --line:rgba(255,255,255,.09); --line2:rgba(255,255,255,.05);
  --acc:#C6A15B;
  --r:18px; --ease:cubic-bezier(.22,.61,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:'Inter','Noto Sans KR',sans-serif;font-weight:300;line-height:1.6;letter-spacing:-.01em;-webkit-font-smoothing:antialiased;overflow-x:hidden;word-break:keep-all;overflow-wrap:break-word}
a{color:inherit;text-decoration:none}
/* 접근성: 스킵 링크 + 포커스 표시 */
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:300;padding:10px 22px;background:var(--acc);color:#000;font-size:14px;font-weight:600;border-radius:100px}
a:focus-visible,.btn:focus-visible,.eco-trigger:focus-visible{outline:2px solid var(--acc);outline-offset:3px}
.wrap{max-width:1160px;margin:0 auto;padding:0 32px}
.reveal{opacity:0;transform:translateY(26px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}
.eyebrow{font-size:11.5px;font-weight:500;letter-spacing:.28em;color:var(--acc);text-transform:uppercase;margin-bottom:22px}
.sec-h2{font-weight:200;font-size:clamp(30px,4.6vw,50px);line-height:1.12;letter-spacing:-.03em}
.lead{margin-top:22px;max-width:640px;font-size:clamp(15px,1.7vw,17.5px);font-weight:300;color:var(--ink2);line-height:1.8}
.lead b{font-weight:500;color:var(--ink)}
.sec{padding:134px 0;border-top:1px solid var(--line2);scroll-margin-top:72px}
section[id],header[id]{scroll-margin-top:72px}

/* ===== 밝은 섹션(아이보리) — 숨통·가독성 ===== */
:root{--cream:#F7F5EF;--cream-hi:#FCFBF7;--ink-d:#1A1A1F;--body-d:#4A4A52;--mut-d:#86868C;--line-l:#E7E4DB;--gold-d:#9C7C39}
.sec.light{background:var(--cream);color:var(--body-d);border-top:1px solid var(--line-l)}
.sec.light .eyebrow{color:var(--gold-d)}
.sec.light .sec-h2{color:var(--ink-d)}
.sec.light .lead{color:var(--body-d)}.sec.light .lead b{color:var(--ink-d)}
/* 강좌 카드 */
.sec.light .ccard{background:var(--cream-hi);border-color:var(--line-l)}
.sec.light .ccard:hover{border-color:rgba(0,0,0,.16);background:#fff}
.sec.light .cc-track{color:var(--mut-d)}
.sec.light .cc-title,.sec.light .cc-grade{color:var(--ink-d)}
.sec.light .cc-desc{color:var(--body-d)}
.sec.light .cc-link{color:var(--ink-d)}
.sec.light .subj{border-color:var(--line-l)}
.sec.light .subj.eng{color:#8A6D2E;border-color:rgba(156,124,57,.4)}
.sec.light .subj.math{color:#3B5C86;border-color:rgba(59,92,134,.35)}
/* 시간표 */
.sec.light .time-intro{color:var(--mut-d)}
.sec.light .tt-col{background:var(--cream-hi);border-color:var(--line-l)}
.sec.light .tt-grade{border-color:var(--line-l)}
.sec.light .tt-row+.tt-row{border-color:var(--line-l)}
.sec.light .tt-name,.sec.light .tt-time{color:var(--ink-d)}
.sec.light .tt-note{color:var(--mut-d)}
.sec.light .time-foot{color:var(--mut-d)}
.sec.light .btn.ghost{border-color:var(--line-l);color:var(--ink-d);background:#fff}
.sec.light .btn.ghost:hover{border-color:var(--gold-d);color:var(--gold-d);background:rgba(156,124,57,.05)}
/* 공지 */
.sec.light .nt-item{border-color:var(--line-l)}
.sec.light .nt-item:hover{background:var(--cream-hi)}
.sec.light .nt-date{color:var(--mut-d)}
.sec.light .nt-tag{border-color:var(--line-l)}
.sec.light .nt-title{color:var(--ink-d)}
.sec.light .nt-body{color:var(--body-d)}
.sec.light .more-link{color:var(--ink-d)}
/* 오시는 길 */
.sec.light .vi-row{border-color:var(--line-l)}
.sec.light .vk{color:var(--mut-d)}
.sec.light .vv{color:var(--ink-d)}
.sec.light .visit-map{background:repeating-linear-gradient(45deg,#EFEBE0,#EFEBE0 12px,#F4F1E8 12px,#F4F1E8 24px);border-color:var(--line-l);color:var(--mut-d)}
.sec.light .visit-map:hover{border-color:rgba(0,0,0,.2);color:var(--body-d)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:100px;font-size:14px;font-weight:500;letter-spacing:.01em;transition:.35s var(--ease);cursor:pointer;border:1px solid transparent;white-space:nowrap}
.btn span{font-size:12px}
.btn.primary{background:var(--ink);color:#000}
.btn.primary:hover{background:#fff;transform:translateY(-1px)}
.btn.ghost{border-color:rgba(255,255,255,.28);color:var(--ink);background:rgba(255,255,255,.05)}
.btn.ghost:hover{border-color:rgba(255,255,255,.55);background:rgba(255,255,255,.11);transform:translateY(-1px)}
.btn.sm{padding:10px 20px;font-size:13px}
.btn.wide{width:100%;justify-content:center;padding:15px}

/* ---------- NAV ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:60;height:64px;display:flex;align-items:center;transition:background .4s,border-color .4s;border-bottom:1px solid transparent}
.nav.solid{background:rgba(0,0,0,.66);backdrop-filter:saturate(160%) blur(20px);border-bottom-color:var(--line2)}
.nav .wrap{display:flex;align-items:center;gap:14px;width:100%;max-width:1200px;padding:0 30px}
.nav-left{display:flex;align-items:center;gap:14px}
@media(max-width:860px){.nav-left{gap:10px}}
.nav-logo{height:20px;width:auto;filter:brightness(0) invert(1);opacity:.92}
.nav-menu{display:flex;gap:30px;position:absolute;left:50%;transform:translateX(-50%)}
.nav-menu a{font-size:14px;color:var(--ink2);transition:color .3s}
.nav-menu a:hover{color:var(--ink)}
.nav-cta{display:inline-flex;align-items:center;margin-left:auto;padding:9px 20px;border-radius:100px;background:var(--ink);color:#000;font-size:13.5px;font-weight:600;transition:.3s var(--ease)}
.nav-cta:hover{background:#fff;transform:translateY(-1px)}
.nav-burger{display:none;align-items:center;gap:8px;background:none;border:0;cursor:pointer;padding:8px 4px}
.nb-txt{font-size:13.5px;font-weight:500;color:var(--ink)}
.nb-ico{display:flex;flex-direction:column;gap:5px}
.nb-ico i{display:block;width:22px;height:1.5px;background:var(--ink);transition:.3s}

/* ---------- HERO ---------- */
.hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;position:relative;padding:120px 24px 90px;overflow:hidden;background:linear-gradient(180deg,rgba(0,0,0,.82),rgba(0,0,0,.88) 55%,#000 100%),url('assets/space/study-1.webp') center 38%/cover no-repeat}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(120% 80% at 50% -10%,rgba(198,161,91,.10),transparent 55%);pointer-events:none}
.hero-in{position:relative;z-index:1;opacity:0;animation:up 1.2s var(--ease) .15s forwards}
@keyframes up{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.cobrand{display:flex;align-items:center;justify-content:center;gap:26px;margin-bottom:46px}
.cb-logo{height:32px;width:auto;filter:brightness(0) invert(1);opacity:.9}
.cb-logo.cb-lab{height:40px;opacity:.8}
.cb-x{font-size:16px;font-weight:200;color:var(--mut2)}
.hero-kick{font-size:12px;font-weight:500;letter-spacing:.3em;color:var(--mut);text-transform:uppercase;margin-bottom:30px}
.hero-h1{font-weight:200;font-size:clamp(40px,7.6vw,86px);line-height:1.08;letter-spacing:-.035em}
.hero-h1 em{font-family:'Noto Serif KR',serif;font-style:normal;font-weight:600;color:var(--acc)}
.hero-sub{margin-top:32px;font-size:clamp(15px,2vw,18.5px);font-weight:300;color:var(--mut);line-height:1.8}
.hero-cta{margin-top:44px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-scroll{position:absolute;left:50%;bottom:34px;width:1px;height:46px;background:linear-gradient(var(--mut2),transparent);transform:translateX(-50%)}

/* ---------- ABOUT ---------- */
.about .sec-h2{max-width:14ch}

/* ---------- WHY ---------- */
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:20px}
.why-card{background:var(--bg2);border:1px solid var(--line2);border-radius:var(--r);padding:38px 34px;transition:.4s var(--ease)}
.why-card:hover{border-color:var(--line);transform:translateY(-3px);background:#0e0e11}
.wn{font-family:'Playfair Display',serif;font-size:15px;color:var(--acc);letter-spacing:.05em}
.wc-en{margin-top:16px;font-family:'Playfair Display',serif;font-style:italic;font-size:15.5px;line-height:1.45;color:var(--ink2);letter-spacing:-.01em}
.why-card h3{margin-top:12px;font-size:20px;font-weight:500;letter-spacing:-.02em}
.why-card p{margin-top:12px;font-size:14.5px;color:var(--mut);line-height:1.75}

/* ---------- PROOF (성과·후기) ---------- */
.proof .sec-h2{margin-bottom:46px}
.proof-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pstat{background:var(--bg2);border:1px solid var(--line2);border-radius:var(--r);padding:38px 30px;text-align:center;transition:.4s var(--ease)}
.pstat:hover{border-color:var(--line);transform:translateY(-3px)}
.ps-n{font-family:'Playfair Display',serif;font-size:clamp(30px,4.2vw,48px);color:var(--acc);line-height:1;letter-spacing:.01em}
.ps-l{margin-top:14px;font-size:13.5px;color:var(--mut);letter-spacing:.02em}
.voice{background:var(--bg2);border:1px solid var(--line2);border-radius:var(--r);padding:32px 32px;transition:.4s var(--ease)}
.voice:hover{border-color:var(--line);transform:translateY(-3px)}
.v-q{font-family:'Playfair Display',serif;font-style:italic;font-size:17.5px;line-height:1.62;color:var(--ink2);letter-spacing:-.01em}
.v-q::before{content:'“';color:var(--acc);margin-right:2px}.v-q::after{content:'”';color:var(--acc);margin-left:1px}
.v-a{margin-top:18px;font-size:12.5px;color:var(--mut2);letter-spacing:.02em}
.v-a span{color:var(--mut)}
@media(max-width:860px){.proof-stats{grid-template-columns:1fr}}

/* ---------- TIMETABLE ---------- */
.time-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:44px}
.season-badge{display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border:1px solid var(--acc);border-radius:100px;font-size:12px;font-weight:500;letter-spacing:.04em;color:var(--acc);margin-bottom:18px}
.season-badge small{color:var(--mut2);letter-spacing:.2em;font-size:9.5px}
.time-intro{margin-top:14px;font-size:15px;color:var(--mut)}
.tt{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tt-col{background:var(--bg2);border:1px solid var(--line2);border-radius:var(--r);overflow:hidden}
.tt-grade{padding:16px 22px;font-size:14px;font-weight:600;letter-spacing:-.01em;border-bottom:1px solid var(--line2);position:relative}
.tt-grade::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--gc,var(--acc))}
.tt-row{padding:18px 22px}
.tt-row+.tt-row{border-top:1px solid var(--line2)}
.tt-days{font-size:12px;color:var(--acc);letter-spacing:.02em;font-weight:500}
.tt-name{margin-top:6px;font-size:16px;font-weight:500;letter-spacing:-.01em}
.tt-time{margin-top:3px;font-size:13px;color:var(--ink2);font-variant-numeric:tabular-nums}
.tt-note{margin-top:7px;font-size:12px;color:var(--mut2)}
.time-foot{margin-top:26px;font-size:12.5px;color:var(--mut2)}

/* ---------- NOTICE ---------- */
.nt{display:flex;flex-direction:column;gap:2px;margin-top:8px}
.nt-item{display:grid;grid-template-columns:110px 66px 1fr;gap:20px;align-items:baseline;padding:24px 6px;border-bottom:1px solid var(--line2);transition:.3s}
.nt-item:hover{background:rgba(255,255,255,.015)}
.nt-date{font-size:13px;color:var(--mut2);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.nt-tag{justify-self:start;font-size:11px;font-weight:600;color:var(--acc);border:1px solid var(--line);border-radius:100px;padding:3px 11px}
.nt-title{font-size:17px;font-weight:500;letter-spacing:-.01em}
.nt-body{grid-column:3;margin-top:6px;font-size:14px;color:var(--mut);line-height:1.7}
.more-link{display:inline-flex;align-items:center;gap:9px;margin-top:36px;padding:13px 26px;border:1px solid rgba(255,255,255,.3);border-radius:100px;font-size:14px;font-weight:500;color:var(--ink);background:rgba(255,255,255,.04);transition:.3s var(--ease)}
.more-link span{color:var(--acc);font-size:12px;transition:transform .3s}
.more-link:hover{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.07);transform:translateY(-1px)}
.more-link:hover span{transform:translate(2px,-2px)}
.sec.light .more-link{color:var(--ink-d);border-color:var(--line-l);background:#fff}
.sec.light .more-link:hover{border-color:var(--gold-d);background:rgba(156,124,57,.05)}
.sec.light .more-link span{color:var(--gold-d)}

/* ---------- BOOKS ---------- */
.books-in{display:flex;align-items:center;gap:60px;background:linear-gradient(135deg,#0d0d10,#0a0a0c);border:1px solid var(--line2);border-radius:24px;padding:56px 54px}
.books-deco{flex-shrink:0;display:flex;align-items:center;justify-content:center;min-width:260px}
.books-lab-mark{max-width:290px;width:100%;height:auto;filter:brightness(0) invert(1);opacity:.9}
@media(max-width:860px){.books-lab-mark{max-width:220px}}

/* ---------- VISIT ---------- */
.visit-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:34px;margin-top:26px;align-items:stretch}
.vi-row{display:flex;gap:20px;padding:16px 0;border-bottom:1px solid var(--line2)}
.vk{width:52px;flex-shrink:0;font-size:13px;color:var(--mut2);letter-spacing:.04em}
.vv{font-size:15.5px;color:var(--ink2)}
.visit-map{display:flex;align-items:center;justify-content:center;min-height:260px;border-radius:var(--r);background:repeating-linear-gradient(45deg,#0c0c0f,#0c0c0f 12px,#0a0a0c 12px,#0a0a0c 24px);border:1px solid var(--line2);color:var(--mut2);font-size:14px;letter-spacing:.04em;transition:.4s}
.visit-map:hover{border-color:var(--line);color:var(--mut)}
.visit-photo{display:block;position:relative;min-height:300px;border-radius:var(--r);overflow:hidden;border:1px solid var(--line-l)}
.visit-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.visit-photo:hover img{transform:scale(1.04)}
.visit-photo .vp-cap{position:absolute;left:0;right:0;bottom:0;z-index:1;padding:18px 22px;background:linear-gradient(transparent,rgba(0,0,0,.8));color:#fff;font-size:13.5px;font-weight:600;letter-spacing:.01em}
.visit-photo .vp-cap em{font-style:normal;color:var(--acc);margin-left:2px}

/* ---------- CONTACT ---------- */
.sec.contact{background:linear-gradient(rgba(0,0,0,.9),rgba(0,0,0,.95)),url('assets/visit/exterior.webp') center/cover no-repeat}
/* 대표 3채널 */
.chan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px}
.chan{display:flex;flex-direction:column;align-items:flex-start;padding:30px 26px 24px;background:linear-gradient(180deg,rgba(198,161,91,.07),rgba(255,255,255,.012));border:1px solid rgba(198,161,91,.28);border-radius:16px;cursor:pointer;transition:.4s var(--ease)}
.chan:hover{transform:translateY(-4px);border-color:rgba(198,161,91,.62);background:linear-gradient(180deg,rgba(198,161,91,.12),rgba(255,255,255,.02));box-shadow:0 24px 60px -30px rgba(198,161,91,.5)}
.chan-ico{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:12px;border:1px solid rgba(198,161,91,.3);color:var(--acc);margin-bottom:20px;transition:.4s var(--ease)}
.chan:hover .chan-ico{background:rgba(198,161,91,.12);border-color:rgba(198,161,91,.5)}
.chan-ico svg{width:23px;height:23px;display:block}
.chan b{font-size:17px;font-weight:600;color:var(--ink);letter-spacing:-.01em}
.chan small{margin-top:6px;font-size:13px;color:var(--mut);line-height:1.5}
.chan-cta{margin-top:20px;display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--acc)}
.chan-cta span{transition:transform .3s var(--ease)}
.chan:hover .chan-cta span{transform:translateX(4px)}

/* 추가 정보 · 외부 링크 */
.chan-more{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:26px}
.cm-label{font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--mut2);margin-right:4px}
.cm-link{display:inline-flex;align-items:center;gap:9px;padding:11px 18px;border:1px solid rgba(255,255,255,.16);border-radius:100px;font-size:13.5px;font-weight:500;color:var(--ink2);background:rgba(255,255,255,.02);transition:.3s var(--ease)}
.cm-link>svg{width:17px;height:17px;display:block}
.cm-link:hover{border-color:rgba(198,161,91,.5);color:var(--ink);background:rgba(198,161,91,.06)}
.ext-ic{display:inline-flex;align-items:center;vertical-align:middle;color:var(--acc);opacity:.85}
.ext-ic svg{width:13px;height:13px;display:block}
.cm-link:hover .ext-ic,.wc-link:hover .ext-ic,.lc-link:hover .ext-ic,.more-link:hover .ext-ic{opacity:1}

/* ---------- FOOTER ---------- */
.foot{border-top:1px solid var(--line2);padding:66px 0 76px;text-align:center}
.foot-lockup{display:inline-flex;align-items:center;gap:18px;margin-bottom:22px}
.foot-logo{height:24px;filter:brightness(0) invert(1);opacity:.85}
.foot-div{width:1px;height:24px;background:var(--line)}
.foot-lab{height:28px;filter:brightness(0) invert(1);opacity:.65}
.foot-brand{font-size:13.5px;color:var(--mut);letter-spacing:.01em}
.foot-brand b{color:var(--ink2);font-weight:500}
.foot-links{display:flex;gap:8px;justify-content:center;margin-top:24px;flex-wrap:wrap}
.foot-links a{font-size:13px;color:var(--ink2);padding:8px 16px;border:1px solid var(--line);border-radius:100px;transition:.3s}
.foot-links a:hover{border-color:rgba(255,255,255,.28);color:var(--ink)}
.foot-legal{display:inline-flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:28px}
.fl-item{border:1px solid var(--line2);border-radius:12px;padding:13px 22px;text-align:left}
.fl-item b{display:block;font-size:10.5px;font-weight:600;letter-spacing:.07em;color:var(--acc);margin-bottom:5px}
.fl-item span{font-size:13px;color:var(--ink2);letter-spacing:.01em}
.foot-copy{margin-top:26px;font-size:11.5px;color:var(--mut2);letter-spacing:.02em;line-height:1.7}

/* ---------- TOAST ---------- */
.toast{position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);background:#fff;color:#000;padding:14px 24px;border-radius:100px;font-size:13.5px;font-weight:500;opacity:0;pointer-events:none;transition:.4s var(--ease);z-index:100;box-shadow:0 20px 50px -12px rgba(0,0,0,.6)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- HERO BRANDLINE ---------- */
.hero-brandline{display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:40px}
.hb-logo{height:34px;width:auto;filter:brightness(0) invert(1);opacity:.94}
.hb-sub{font-size:12px;font-weight:500;letter-spacing:.26em;color:var(--mut);text-transform:none}

/* ---------- PHILOSOPHY ---------- */
.philo{margin-top:46px;display:flex;flex-direction:column;gap:2px;max-width:760px}
.philo-row{padding:22px 0;border-top:1px solid var(--line2)}
.philo-row:last-child{border-bottom:1px solid var(--line2)}
.ph-en{font-family:'Playfair Display',serif;font-style:italic;font-size:clamp(17px,2.3vw,22px);color:var(--ink);letter-spacing:-.01em}
.ph-ko{margin-top:8px;font-size:14.5px;color:var(--mut);letter-spacing:.01em}

/* 학원 소개 — 배경 제거한 원장(누끼)이 검정 위에, 제목 좌·이름 우 */
.about{padding-top:0}
.director{position:relative;overflow:hidden;min-height:clamp(520px,68vh,720px);background:#060608}
.director-bg{position:absolute;bottom:-20%;left:50%;transform:translateX(-50%);height:116%;width:auto;max-width:none;z-index:0;filter:drop-shadow(0 20px 50px rgba(0,0,0,.5))}
.director::after{content:'';position:absolute;left:0;right:0;bottom:0;height:44%;z-index:1;background:linear-gradient(180deg,transparent,rgba(6,6,8,.72) 66%,#060608)}
.director-cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding-bottom:50px}
.director-cap .dc-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px}
.director-cap .eyebrow{margin-bottom:18px}
.director-cap .sec-h2{color:#fff;text-shadow:0 2px 30px rgba(0,0,0,.6)}
.dm-sign{display:flex;flex-direction:column;align-items:flex-end;gap:5px;flex-shrink:0;padding-bottom:4px}
.dm-sign span{font-size:12.5px;letter-spacing:.02em;color:rgba(255,255,255,.62)}
.dm-sign b{font-size:19px;font-weight:600;color:#fff;letter-spacing:.01em}
.about-body{padding-top:84px}
@media(max-width:680px){
  .director{min-height:min(62vh,500px)}
  .director-cap{padding-bottom:32px}
  .director-cap .dc-row{flex-direction:column;align-items:flex-start;gap:16px}
  .dm-sign{flex-direction:row;align-items:baseline;gap:9px}
  .about-body{padding-top:60px}
}

/* ---------- COURSES ---------- */
.courses .sec-h2{margin-bottom:44px}
.cgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.ccard{background:var(--bg2);border:1px solid var(--line2);border-radius:var(--r);padding:34px 32px;transition:.4s var(--ease);display:flex;flex-direction:column}
.ccard:hover{border-color:var(--line);transform:translateY(-3px);background:#0e0e11}
.cc-top{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.cc-track{font-size:10.5px;font-weight:600;letter-spacing:.22em;color:var(--mut2)}
.cc-badge{font-size:10px;font-weight:700;letter-spacing:.08em;color:#000;background:var(--acc);border-radius:100px;padding:3px 9px}
.cc-title{font-size:23px;font-weight:500;letter-spacing:-.02em}
.cc-grade{margin-top:6px;font-size:13px;color:var(--ink2)}
.cc-subs{display:flex;gap:7px;margin-top:16px}
.subj{font-size:12px;font-weight:500;padding:4px 12px;border-radius:100px;border:1px solid var(--line)}
.subj.eng{color:#C9B084;border-color:rgba(198,161,91,.4)}
.subj.math{color:#8FB0D8;border-color:rgba(90,130,180,.4)}
.cc-desc{margin-top:18px;font-size:14px;color:var(--mut);line-height:1.7;flex:1}
.cc-link{margin-top:22px;align-self:flex-start;display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border:1px solid rgba(0,0,0,.17);border-radius:100px;font-size:13px;font-weight:600;color:var(--ink-d);background:#fff;transition:.3s var(--ease)}
.cc-link:hover{border-color:var(--gold-d);color:var(--gold-d);background:rgba(156,124,57,.05);transform:translateY(-1px)}
.cc-link span{color:var(--gold-d);font-size:12px;transition:transform .3s}
.cc-link:hover span{transform:translateX(2px)}

/* books lab lockup + feature link */
.books-lab{display:flex;align-items:center;gap:12px;margin-bottom:22px}
.books-lab img{height:26px;filter:brightness(0) invert(1);opacity:.7}
.books-lab span{font-size:11.5px;letter-spacing:.05em;color:var(--mut2)}
.wc-link{margin-top:16px;font-size:13px;font-weight:500;color:var(--acc);display:inline-flex;gap:6px;align-items:center}

/* ---------- RESPONSIVE ---------- */
@media(max-width:860px){
  .cgrid{grid-template-columns:1fr}
  .nav-menu{display:none;position:absolute;top:64px;left:0;right:0;transform:none;flex-direction:column;gap:0;background:rgba(0,0,0,.94);backdrop-filter:blur(20px);border-bottom:1px solid var(--line2);padding:8px 0}
  .nav-menu.open{display:flex}
  .nav-menu a{padding:15px 32px;border-bottom:1px solid var(--line2)}
  .nav-burger{display:flex}
  .nav-cta{display:none}
  .nav-eco{margin-left:auto}
  .why-grid{grid-template-columns:1fr}
  .tt{grid-template-columns:1fr}
  .books-in{flex-direction:column;gap:36px;padding:44px 32px;text-align:center}
  .visit-grid{grid-template-columns:1fr}
  .chan-grid{grid-template-columns:1fr;gap:12px}
  .chan{flex-direction:row;align-items:center;gap:16px;padding:18px 20px;flex-wrap:wrap}
  .chan-ico{margin-bottom:0;width:42px;height:42px}
  .chan b{font-size:15.5px}
  .chan small{width:100%;order:3;margin-top:2px}
  .chan-cta{margin-top:0;margin-left:auto}
  .nt-item{grid-template-columns:1fr;gap:6px}
  .nt-body{grid-column:1}
  .nt-tag{margin-top:4px}
  .sec{padding:88px 0}
  .time-head{flex-direction:column;align-items:flex-start}
}

/* ============ 홈페이지 재구축 (2026-07) — 신규/조정 섹션 ============ */

/* Hero proof tease */
.hero-proof{margin-top:26px;display:inline-flex;align-items:center;gap:9px;font-size:13.5px;color:var(--ink2);letter-spacing:.01em;border:1px solid var(--line);border-radius:100px;padding:9px 18px;background:rgba(198,161,91,.06)}
.hero-proof:empty{display:none}
.hp-dot{width:6px;height:6px;border-radius:50%;background:var(--acc);box-shadow:0 0 10px var(--acc);flex-shrink:0}
@media(max-width:520px){.hero-proof{font-size:11.5px;padding:8px 14px;gap:7px}}

/* PROOF (light section) */
.proof-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:40px;margin-top:8px}
.sec.light .pstat{background:var(--cream-hi);border-color:var(--line-l)}
.sec.light .ps-n{color:var(--gold-d)}
.sec.light .ps-l{color:var(--mut-d)}
.proof-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
.pg-item{background:#fff;border:1px solid var(--line-l);border-radius:14px;overflow:hidden;box-shadow:0 18px 40px -26px rgba(0,0,0,.4);transition:.4s var(--ease)}
.pg-item:hover{transform:translateY(-4px);box-shadow:0 26px 54px -22px rgba(0,0,0,.5)}
.pg-img{aspect-ratio:4/3;overflow:hidden;background:#EDEAE1;border-bottom:1px solid var(--line-l)}
.pg-img img{width:100%;height:100%;object-fit:cover;object-position:center top;display:block}
.pg-item figcaption{padding:16px 18px}
.pg-item figcaption b{display:block;font-size:15px;font-weight:600;color:var(--ink-d);letter-spacing:-.01em}
.pg-item figcaption span{display:block;margin-top:5px;font-size:12.5px;color:var(--mut-d)}
.proof-note{margin-top:26px;font-size:12.5px;color:var(--mut-d);letter-spacing:.01em;line-height:1.6}
.proof-highlight{margin:6px 0 38px;font-size:clamp(16px,2vw,20px);font-weight:500;color:var(--ink-d);letter-spacing:-.015em;line-height:1.62;max-width:800px}
a.nt-link{text-decoration:none;color:inherit;cursor:pointer}
a.nt-link .nt-title{transition:color .3s}
a.nt-link:hover .nt-title{color:var(--acc)}
.sec.light a.nt-title{color:var(--ink-d)}
.sec.light a.nt-title:hover{color:var(--gold-d)}
@media(max-width:860px){.proof-stats{grid-template-columns:1fr}.proof-gallery{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.proof-gallery{grid-template-columns:1fr}}

/* SCHOOLS (light) */
.schools .lead{margin-bottom:8px}
.school-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.school-chip{font-size:14px;font-weight:500;color:var(--ink-d);background:var(--cream-hi);border:1px solid var(--line-l);border-radius:100px;padding:9px 18px;letter-spacing:-.01em;transition:.3s}
.school-chip:hover{border-color:var(--gold-d);color:var(--gold-d)}
.teachers{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
.teacher{background:var(--cream-hi);border:1px solid var(--line-l);border-radius:var(--r);padding:26px 26px}
.tc-top{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.tc-top b{font-size:16.5px;font-weight:600;color:var(--ink-d);letter-spacing:-.01em}
.tc-tag{font-size:11px;font-weight:600;color:var(--gold-d);border:1px solid rgba(156,124,57,.4);border-radius:100px;padding:2px 10px}
.teacher p{font-size:13.5px;color:var(--body-d);line-height:1.65}
@media(max-width:860px){.teachers{grid-template-columns:1fr}}

/* COURSES fee */
.cc-fee{margin-top:14px;font-size:13.5px;font-weight:600;color:var(--acc);letter-spacing:.01em}
.sec.light .cc-fee{color:var(--gold-d)}
.course-foot{margin-top:30px;font-size:12.5px;color:var(--mut2)}

/* LAB (light) — 깊이를 만드는 법 */
.lab-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:40px}
.lab-card{background:var(--cream-hi);border:1px solid var(--line-l);border-radius:var(--r);padding:34px 32px;transition:.4s var(--ease)}
.lab-card:hover{transform:translateY(-3px);border-color:rgba(0,0,0,.14)}
.lc-top{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.lc-no{font-family:'Playfair Display',serif;font-size:15px;color:var(--gold-d)}
.lc-tag{font-size:11px;font-weight:600;letter-spacing:.02em;color:var(--gold-d);background:rgba(156,124,57,.1);border-radius:100px;padding:4px 12px}
.lab-card h3{font-size:20px;font-weight:600;color:var(--ink-d);letter-spacing:-.02em;line-height:1.35}
.lab-card p{margin-top:12px;font-size:14.5px;color:var(--body-d);line-height:1.75}
.lc-link{display:inline-flex;align-items:center;gap:8px;margin-top:20px;padding:11px 22px;border:1px solid rgba(0,0,0,.17);border-radius:100px;font-size:13px;font-weight:600;color:var(--ink-d);background:#fff;transition:.3s var(--ease)}
.lc-link:hover{border-color:var(--gold-d);color:var(--gold-d);background:rgba(156,124,57,.06);transform:translateY(-1px)}
.lc-link span{font-size:12px;color:var(--gold-d);transition:transform .3s}
.lc-link:hover span{transform:translateX(2px)}
@media(max-width:860px){.lab-grid{grid-template-columns:1fr}}

/* OPERATION (dark) */
.op-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:38px}
.op-intro{margin-top:14px;font-size:15px;color:var(--mut);max-width:640px;line-height:1.7}
.op-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 44px;margin:34px 0 38px}
.op-row{display:grid;grid-template-columns:110px 1fr;gap:20px;align-items:baseline;padding:22px 0;border-top:1px solid var(--line2)}
.op-k{font-size:13px;color:var(--acc);font-weight:500;letter-spacing:.02em}
.op-v{font-size:15px;color:var(--ink2);line-height:1.6}
@media(max-width:860px){.op-head{flex-direction:column;align-items:flex-start}.op-grid{grid-template-columns:1fr;gap:0}}

/* SHUTTLE (light) */
.sh-col{background:var(--cream-hi);border:1px solid var(--line-l);border-radius:var(--r);padding:30px 30px}
.sh-k{font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--gold-d);margin-bottom:18px}
.sh-chips{display:flex;flex-wrap:wrap;gap:10px}

/* PROOF MARQUEE (좌우 스크롤 나열) */
.proof .lead{margin-bottom:8px}
@keyframes pmscroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* PROOF WALL (성과의 벽) */
.proof-wall-head{margin-top:64px;display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.proof-wall-head h3{font-size:19px;font-weight:600;color:var(--ink-d);letter-spacing:-.01em}
.proof-wall-head span{font-size:12.5px;color:var(--mut-d)}

/* SCHEDULE (시간표) — dark section */
.tt-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:34px}
.tt-tabs{display:inline-flex;gap:6px;padding:6px;background:var(--bg2);border:1px solid var(--line);border-radius:100px;margin-bottom:38px}
.tt-tab{appearance:none;background:none;border:0;cursor:pointer;font-family:inherit;font-size:15px;font-weight:600;color:var(--mut);padding:12px 32px;border-radius:100px;transition:.3s var(--ease);letter-spacing:.01em}
.tt-tab.on{background:var(--ink);color:#000}
.tt-tab:not(.on):hover{color:var(--ink);background:rgba(255,255,255,.05)}
.tt-panel{display:none}
.tt-panel.on{display:block;animation:ttfade .5s var(--ease)}
@keyframes ttfade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.tt-group{margin-bottom:34px}
.ttg-head{display:flex;align-items:center;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.ttg-note{font-size:13px;color:var(--mut);letter-spacing:-.01em}
.tt-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:14px}
.tt-card{background:var(--bg2);border:1px solid var(--line);border-radius:16px;padding:26px 28px;transition:.35s var(--ease)}
.tt-card:hover{border-color:rgba(255,255,255,.22);transform:translateY(-2px);background:#0e0e11}
.ttc-name{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.01em;margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.ttc-name span{display:inline-block;margin-left:8px;font-size:12px;font-weight:400;color:var(--mut2)}
.ttc-line{display:flex;align-items:baseline;gap:14px;margin-top:12px}
.ttc-line>span{flex-shrink:0;width:44px;font-size:11px;font-weight:700;letter-spacing:.04em}
.ttc-main>span{color:var(--acc)}
.ttc-main b{font-size:16.5px;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.ttc-sub>span{color:var(--mut2)}
.ttc-sub em{font-size:13.5px;font-style:normal;color:var(--mut);font-variant-numeric:tabular-nums}
.tt-special-wrap{margin-top:36px;padding-top:30px;border-top:1px solid var(--line2)}
.tt-special-h{font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--acc);margin-bottom:18px}
.tt-special{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tt-sp{background:var(--bg2);border:1px solid var(--line2);border-radius:14px;padding:22px 24px}
.tt-sp b{display:block;font-size:15px;font-weight:600;color:var(--ink);margin-bottom:7px;letter-spacing:-.01em}
.tt-sp span{font-size:13px;color:var(--mut);line-height:1.6}
.tt-foot{margin-top:26px;font-size:12.5px;color:var(--mut2)}
@media(max-width:860px){
  .tt-head{flex-direction:column;align-items:flex-start}
  .tt-tabs{display:flex;width:100%}
  .tt-tab{flex:1;padding:11px 10px;text-align:center}
  .ttr,.ttr-h{grid-template-columns:1fr}
  .ttr-h{display:none}
  .ttr{gap:8px;padding:16px 18px}
  .ttr i{display:inline-block;width:52px;font-size:11px;font-weight:600;color:var(--mut2);letter-spacing:.04em}
  .ttr-name span{display:inline;margin-left:8px}
  .tt-special{grid-template-columns:1fr}
}

/* SPACE (면학 공간) */
.space-banner{position:relative;margin:44px 0 14px;border-radius:16px;overflow:hidden;border:1px solid var(--line2);aspect-ratio:16/7}
.space-banner img{width:100%;height:100%;object-fit:cover;object-position:center 42%;filter:brightness(.94)}
.space-banner figcaption{position:absolute;left:22px;bottom:18px;color:#fff;font-size:13.5px;font-weight:600;letter-spacing:.02em;text-shadow:0 2px 12px rgba(0,0,0,.85)}
@media(max-width:640px){.space-banner{aspect-ratio:16/10}}
.space-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:14px}
.space-item{border-radius:14px;overflow:hidden;border:1px solid var(--line2);aspect-ratio:4/3;background:var(--bg2)}
.space-item img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s var(--ease);filter:brightness(.92)}
.space-item:hover img{transform:scale(1.05);filter:brightness(1)}
@media(max-width:860px){.space-grid{grid-template-columns:1fr 1fr}}

/* PROGRAM cards (중등/고등 × 영어/수학) */
.prog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:42px;margin-bottom:10px}
.prog-card{background:var(--cream-hi);border:1px solid var(--line-l);border-radius:var(--r);padding:28px 30px;transition:.35s var(--ease)}
.prog-card:hover{border-color:rgba(0,0,0,.14);transform:translateY(-2px)}
.prog-top{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.prog-lv{font-size:13px;font-weight:600;color:var(--ink-d);letter-spacing:.02em}
.prog-card p{font-size:14.5px;color:var(--body-d);line-height:1.72}
@media(max-width:760px){.prog-grid{grid-template-columns:1fr}}

/* SCHOOL blocks (고등/중등) */
.school-line{margin-top:50px;padding-top:30px;border-top:1px solid var(--line-l);font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--ink-d)}
.school-line + .school-block{margin-top:24px}
.school-line em{font-style:normal;font-size:11px;font-weight:600;padding:2px 10px;border-radius:100px;margin-left:8px;letter-spacing:.02em;vertical-align:middle}
.sl-eng{color:#8A6D2E;border:1px solid rgba(156,124,57,.45)}
.sl-math{color:#3B5C86;border:1px solid rgba(59,92,134,.4)}
.school-chip.math-chip{color:#3B5C86}
.school-chip.math-chip:hover{border-color:#3B5C86;color:#3B5C86}
.school-block{display:flex;gap:24px;align-items:flex-start;margin-top:28px}
.school-k{flex-shrink:0;width:96px;font-size:13px;font-weight:600;color:var(--gold-d);letter-spacing:.01em;padding-top:9px}
.school-col{flex:1}
.school-block .school-chips{margin-top:0}
.school-more{margin-top:14px;font-size:13.5px;color:var(--mut-d);letter-spacing:-.005em;line-height:1.6}
@media(max-width:520px){.school-block{flex-direction:column;gap:10px}.school-k{padding-top:0;width:auto}}
