:root{
  --ink:#14213D; --sub:#4A5672; --line:#E3E8F2; --bg:#FFFFFF; --soft:#F6F8FC;
  --navy:#1B2F6B; --sky:#3BA7F5; --coral:#FF6F61; --mint:#2EC4A6; --sun:#FFC845; --lav:#8C7BF5;
  --r:20px; --shadow:0 10px 30px rgba(27,47,107,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Pretendard,'Malgun Gothic',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;word-break:keep-all;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}

/* language */
html[lang=ko] .en, html[lang=en] .ko{display:none!important}

/* draft ribbon */
.draft{background:#FFF4D6;color:#7A5A00;font-size:13px;text-align:center;padding:6px 12px}

/* header */
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;gap:16px;height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;line-height:1.15}
.logo .mk{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--sky),var(--lav));display:grid;place-items:center;color:#fff;font-size:18px}
.logo small{display:block;font-weight:600;color:var(--sub);font-size:11.5px}
nav{margin-left:auto;display:flex;gap:4px}
nav a{text-decoration:none;font-weight:600;font-size:14.5px;color:var(--sub);padding:8px 11px;border-radius:999px}
nav a:hover{background:var(--soft);color:var(--ink)}
.lang{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;font-weight:700;font-size:13px;cursor:pointer;color:var(--navy)}
.menu{display:none;border:0;background:none;font-size:24px;cursor:pointer}

/* hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#EAF6FF 0%,#FFF1EF 55%,#F2FFF9 100%)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding-top:72px;padding-bottom:80px}
.chip{display:inline-flex;align-items:center;gap:8px;background:#fff;border-radius:999px;padding:6px 14px;font-weight:700;font-size:13.5px;color:var(--navy);box-shadow:var(--shadow)}
.chip i{width:8px;height:8px;border-radius:50%;background:var(--mint);display:inline-block}
.hero h1{font-size:clamp(34px,5.2vw,56px);line-height:1.15;margin:18px 0 16px;letter-spacing:-.02em}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--sky),var(--lav));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:18px;color:var(--sub);max-width:560px;margin:0 0 26px}
.btns{display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:800;border-radius:14px;padding:13px 20px;font-size:15.5px;transition:transform .15s}
.btn:hover{transform:translateY(-2px)}
.btn.pri{background:var(--coral);color:#fff;box-shadow:0 8px 20px rgba(255,111,97,.35)}
.btn.sec{background:#fff;color:var(--navy);border:1.5px solid var(--line)}
.bubbles{position:relative;height:360px}
.bub{position:absolute;border-radius:28px;padding:16px 18px;background:#fff;box-shadow:var(--shadow);font-weight:700;font-size:15px;max-width:240px}
.bub small{display:block;font-weight:600;color:var(--sub);font-size:12.5px;margin-top:2px}
.bub.b1{top:8px;left:10px;border-bottom-left-radius:6px}
.bub.b2{top:118px;right:0;background:var(--navy);color:#fff;border-bottom-right-radius:6px}
.bub.b2 small{color:#C9D4F2}
.bub.b3{bottom:20px;left:40px;border-bottom-left-radius:6px}
.wave{display:flex;gap:5px;align-items:center;height:26px;margin-top:8px}
.wave span{width:5px;border-radius:3px;background:var(--sky);animation:w 1.1s ease-in-out infinite}
.wave span:nth-child(2n){background:var(--coral);animation-delay:.15s}
.wave span:nth-child(3n){background:var(--mint);animation-delay:.3s}
@keyframes w{0%,100%{height:6px}50%{height:24px}}
@media (prefers-reduced-motion:reduce){.wave span{animation:none;height:14px}}

/* sections */
section{padding:84px 0;scroll-margin-top:68px}
nav a.active{background:var(--navy);color:#fff}
.rv{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}
.totop{position:fixed;right:18px;bottom:18px;width:46px;height:46px;border-radius:50%;border:0;background:var(--coral);color:#fff;font-size:20px;cursor:pointer;box-shadow:0 8px 20px rgba(255,111,97,.35);opacity:0;pointer-events:none;transition:opacity .3s;z-index:30}
.totop.show{opacity:1;pointer-events:auto}
section.alt{background:var(--soft)}
.eyebrow{color:var(--coral);font-weight:800;letter-spacing:.08em;font-size:13px;text-transform:uppercase}
h2{font-size:clamp(26px,3.4vw,38px);line-height:1.25;margin:8px 0 12px;letter-spacing:-.015em}
.sec-lead{color:var(--sub);font-size:17px;max-width:720px;margin:0 0 36px}
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)} .g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--shadow)}
.card h3{margin:12px 0 6px;font-size:20px}
.card p{margin:0;color:var(--sub);font-size:15.5px}
.ic{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:24px}
.ic.sky{background:#E6F4FF}.ic.coral{background:#FFECEA}.ic.mint{background:#E3F8F3}.ic.sun{background:#FFF6DC}.ic.lav{background:#EFECFF}
.tag{display:inline-block;font-size:12.5px;font-weight:700;border-radius:999px;padding:3px 10px;background:var(--soft);color:var(--navy);margin-top:12px}

/* quiz */
.quiz{background:#fff;border-radius:var(--r);padding:28px;border:1px solid var(--line);box-shadow:var(--shadow)}
.q{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border-radius:14px;cursor:pointer;user-select:none;border:1.5px solid var(--line);margin-bottom:10px;font-weight:600}
.q .box{flex:none;width:24px;height:24px;border-radius:8px;border:2px solid #C5CEE0;display:grid;place-items:center;color:#fff;font-size:14px;margin-top:1px}
.q.on{border-color:var(--mint);background:#F0FCF8}
.q.on .box{background:var(--mint);border-color:var(--mint)}
.result{margin-top:14px;font-weight:800;color:var(--navy);min-height:28px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{background:#fff;border-radius:var(--r);padding:26px 22px;border:1px solid var(--line);box-shadow:var(--shadow)}
.stat b{display:block;font-size:40px;line-height:1.1;color:var(--navy);letter-spacing:-.02em}
.stat span{display:block;color:var(--sub);font-weight:600;margin-top:6px;font-size:15px}
.note{font-size:13px;color:#7C869C;margin-top:14px}

/* roadmap */
.road{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:y}
.year{background:#fff;border-radius:var(--r);padding:22px;border-top:6px solid var(--sky);box-shadow:var(--shadow)}
.year:nth-child(2){border-color:var(--mint)}.year:nth-child(3){border-color:var(--sun)}.year:nth-child(4){border-color:var(--coral)}
.year .y{font-weight:900;font-size:13px;color:var(--sub);letter-spacing:.06em}
.year h3{margin:6px 0 8px;font-size:19px}
.year ul{margin:0;padding-left:18px;color:var(--sub);font-size:15px}

/* AI band */
.ai{background:linear-gradient(135deg,#1B2F6B,#3A3F9E);color:#fff}
.ai .eyebrow{color:var(--sun)}
.ai .sec-lead{color:#D5DDF5}
.ai .card{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.15);box-shadow:none}
.ai .card p{color:#D5DDF5}
.ai .card h3{color:#fff}

/* careers */
.pill-list{display:flex;flex-wrap:wrap;gap:10px}
.pill{background:#fff;border:1.5px solid var(--line);border-radius:999px;padding:10px 16px;font-weight:700;font-size:15px}

/* global */
.global{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
.globe{border-radius:var(--r);background:linear-gradient(135deg,#E6F4FF,#EFECFF);padding:30px}
.globe h3{margin:0 0 8px;font-size:22px}

/* exam */
.exam{background:linear-gradient(180deg,#F6F8FC,#fff)}
.mission{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;background:linear-gradient(135deg,#1B2F6B,#3A3F9E);color:#fff;border-radius:28px;padding:36px 38px;box-shadow:0 18px 40px rgba(27,47,107,.25)}
.mission h2{color:#fff;margin:6px 0 10px}
.mission h2 em{font-style:normal;color:var(--sun)}
.mission p{margin:0;color:#D5DDF5;font-size:17px;max-width:620px}
.dday{background:#fff;color:var(--navy);border-radius:22px;padding:18px 26px;text-align:center;min-width:180px}
.dday small{display:block;font-weight:700;color:var(--sub);font-size:13px}
.dday b{display:block;font-size:46px;line-height:1.1;letter-spacing:-.02em;color:var(--coral)}
.dday span{font-weight:700;font-size:14px}
.exam-sub{font-size:22px;margin:40px 0 16px}
.exam-cards .big{font-size:30px;font-weight:900;color:var(--navy);margin:2px 0 8px;letter-spacing:-.02em}
.exam-cards .big small{font-size:15px;font-weight:700;color:var(--sub)}
.coach{margin-top:22px}
.coach-head{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}
.coach-head h3{margin:0}
.coach-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:14px}
.coach figure{margin:0}
.coach figcaption{font-weight:800;font-size:15px;margin-bottom:6px;color:var(--ink)}
.coach svg{width:100%;height:auto;display:block}
.coach svg text{font-family:Pretendard,sans-serif;fill:#5B6680;font-size:11px}
.coach svg .v{fill:var(--ink);font-weight:700}
.coach svg .hit{fill:transparent;cursor:pointer}
.nav-exam{color:var(--coral)!important;font-weight:800!important}
@media (max-width:900px){.mission{grid-template-columns:1fr}.dday{justify-self:start}.coach-grid{grid-template-columns:1fr}}

/* ghana */
.ghana{margin-top:26px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--shadow)}
.gh-head h3{margin:12px 0 6px;font-size:22px}
.gh-head p{margin:0 0 20px;color:var(--sub)}
.gh-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.gh-card{text-decoration:none;color:var(--ink);display:block}
.gh-th{position:relative;display:block;border-radius:14px;overflow:hidden;aspect-ratio:16/9;background:#E9EEF7}
.gh-th img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}
.gh-card:hover .gh-th img{transform:scale(1.05)}
.gh-th b{position:absolute;right:10px;bottom:10px;width:34px;height:34px;border-radius:50%;background:var(--coral);color:#fff;display:grid;place-items:center;font-size:13px}
.gh-card small{display:block;margin-top:10px;color:var(--coral);font-weight:800;font-size:12.5px;letter-spacing:.04em}
.gh-card strong{display:block;font-size:15px;line-height:1.4;margin-top:2px}
@media (max-width:900px){.gh-grid{grid-template-columns:1fr 1fr}}

/* video */
.vids{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.vid{border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);background:#000;aspect-ratio:16/9}
.vid iframe{width:100%;height:100%;border:0;display:block}
.vlink{display:flex;gap:20px;align-items:center;margin-top:22px;padding:16px;border-radius:var(--r);background:#fff;box-shadow:var(--shadow);text-decoration:none;color:inherit;transition:transform .2s}
.vlink:hover{transform:translateY(-3px)}
.vthumb{position:relative;flex:0 0 260px;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:#000}
.vthumb img{width:100%;height:100%;object-fit:cover;display:block}
.vthumb .play{position:absolute;inset:0;margin:auto;width:52px;height:52px;border-radius:50%;background:rgba(255,0,0,.88);color:#fff;display:grid;place-items:center;font-size:20px}
.vtxt{display:flex;flex-direction:column;gap:6px}
.vtxt b{font-size:1.3rem}
.vtag{font-size:.85rem;font-weight:700;color:#1e6fd9}
.vdesc{font-size:.95rem;opacity:.8}
@media (max-width:640px){.vlink{flex-direction:column;align-items:stretch}.vthumb{flex-basis:auto}}
.vision{background:linear-gradient(135deg,#FFF6E8 0%,#EAF4FF 100%)}
.vision .wrap{display:grid;grid-template-columns:5fr 6fr;gap:36px;align-items:center}
.vision h2{margin:.2em 0 .5em}
.vision p b{color:#1e6fd9}
.vis-pts{list-style:none;padding:0;margin:14px 0;display:flex;flex-wrap:wrap;gap:8px}
.vis-pts li{background:#fff;border-radius:999px;padding:6px 14px;font-size:.92rem;font-weight:600;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.vis-meta{font-size:.88rem;font-weight:700;color:#e8590c;margin:0}
.vis-vid{box-shadow:0 18px 40px rgba(30,111,217,.25)}
@media (max-width:900px){.vision .wrap{grid-template-columns:1fr}}

/* faq */
details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 20px;margin-bottom:10px}
summary{cursor:pointer;font-weight:800;padding:18px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::after{content:'+';color:var(--coral);font-size:22px;line-height:1}
details[open] summary::after{content:'–'}
details p{margin:0 0 18px;color:var(--sub)}

/* contact */
.contact{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
.cbox{background:#fff;border-radius:var(--r);padding:28px;border:1px solid var(--line);box-shadow:var(--shadow)}
.cbox dl{margin:0;display:grid;grid-template-columns:96px 1fr;gap:10px 14px;font-size:15.5px}
.cbox dt{font-weight:800;color:var(--navy)}
.cbox dd{margin:0;color:var(--sub)}
.sns{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}

footer{background:#0F1B3D;color:#AEB9D6;padding:34px 0;font-size:14px}
footer b{color:#fff}

@media (max-width:900px){
  nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 16px;border-bottom:1px solid var(--line)}
  nav.open{display:flex}
  .menu{display:block}
  .hero .wrap,.global,.contact,.vids{grid-template-columns:1fr}
  .bubbles{height:300px}
  .g3,.g4,.road,.stats{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .wrap{padding:0 16px}
  .g3,.g4,.g2,.road,.stats{grid-template-columns:1fr}
  section{padding:60px 0}
  .logo small{display:none}
}
.mission p.promise{margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.2);color:#fff;font-size:17.5px}
.mission p.promise b{color:var(--sun)}
.exam-cards .cbt{grid-column:1/-1;display:flex;gap:18px;align-items:flex-start;background:linear-gradient(135deg,#EAF6FF,#F2FFF9);border-color:#CFE6FA}
.exam-cards .cbt h3{margin-top:0}
/* access */
.access{background:linear-gradient(135deg,#F2FFF9,#EAF6FF)}
.rail{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:center}
.hub{background:var(--navy);color:#fff;border-radius:50%;width:190px;height:190px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;box-shadow:0 14px 34px rgba(27,47,107,.3);font-weight:700;font-size:14px;color:#D5DDF5}
.hub b{font-size:24px;color:#fff;margin-bottom:4px}
.stops{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}
.stop{background:#fff;border-radius:16px;padding:14px 16px;border:1px solid var(--line);box-shadow:var(--shadow);font-weight:700;color:var(--sub);position:relative}
.stop b{display:block;color:var(--navy);font-size:20px;margin-top:2px}
@media (max-width:700px){.rail{grid-template-columns:1fr}.hub{width:150px;height:150px}}
.city-h{font-size:22px;margin:40px 0 14px}
.campus{display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 28px;box-shadow:var(--shadow);margin:6px 0 22px}
.campus-num{background:linear-gradient(135deg,var(--sky),var(--lav));color:#fff;border-radius:20px;padding:20px 24px;text-align:center;font-weight:700;font-size:13px;min-width:200px}
.campus-num b{display:block;font-size:40px;line-height:1.1;letter-spacing:-.02em}
.campus-num b small{font-size:16px;font-weight:700}
.campus-num > span{display:block;margin-top:8px;opacity:.95}
.campus h3{margin:0 0 8px;font-size:22px}
.campus p{margin:0;color:var(--sub)}
@media (max-width:700px){.campus{grid-template-columns:1fr}}
.campus-num b{white-space:nowrap}
nav a{white-space:nowrap;padding:8px 9px;font-size:14px}
@media (max-width:1240px){
  nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 16px;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(20,33,61,.08)}
  nav.open{display:flex}
  .menu{display:block}
  .lang{margin-left:auto}
}

.exam-cards .cbt .cbt-photo{margin:0 0 0 auto;flex:0 0 44%;max-width:480px}.exam-cards .cbt .cbt-photo img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;display:block;box-shadow:0 8px 22px rgba(30,60,110,.15)}.exam-cards .cbt .cbt-photo figcaption{font-size:13px;color:#4A5A75;margin-top:6px;line-height:1.45}@media (max-width:820px){.exam-cards .cbt{flex-wrap:wrap}.exam-cards .cbt .cbt-photo{flex:1 1 100%;max-width:none;margin:6px 0 0}}