:root{
  --bg:#07090F; --bg2:#0C0F17; --bg3:#11151F;
  --line:rgba(255,255,255,.1); --line2:rgba(255,255,255,.2);
  --ink:#F3F4F7; --muted:#9BA1AF; --muted2:#6D7483;
  --accent:#FFC247; --accent-ink:#1A1300;
  --up:#F0556B; --down:#4B8BFF;
  --paper:#F4F5F7; --paper-ink:#0E1119; --paper-muted:#5F6677; --paper-line:rgba(14,17,25,.14);
  --max:1200px; --header:72px;
  --font:"Pretendard Variable",Pretendard,"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header) + 12px)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-wrap:break-word}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%}
.wrap{width:min(var(--max),100% - 48px);margin:0 auto}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

/* type scale */
h1{font-size:clamp(46px,7.6vw,116px);line-height:1.06;letter-spacing:-.05em;font-weight:700}
h2{font-size:clamp(32px,4.4vw,64px);line-height:1.16;letter-spacing:-.045em;font-weight:700}
h3{font-size:22px;line-height:1.4;letter-spacing:-.025em;font-weight:700}
.sub{margin-top:24px;font-size:18px;line-height:1.75;color:var(--muted);max-width:30em}
.small-label{font-size:14px;font-weight:600;color:var(--accent);margin-bottom:20px}
.muted-s{font-size:13px;color:var(--muted2)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:56px;padding:0 30px;border:1px solid var(--line2);border-radius:999px;background:transparent;color:var(--ink);font-size:16px;font-weight:700;letter-spacing:-.01em;transition:background .2s,color .2s,transform .15s,border-color .2s}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:#FFD070;border-color:#FFD070}
.btn-ghost:hover{border-color:var(--ink)}
.btn-sm{min-height:44px;padding:0 20px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;min-height:56px;font-weight:600;color:var(--ink);background-image:linear-gradient(currentColor,currentColor);background-size:0 1.5px;background-repeat:no-repeat;background-position:0 78%;transition:background-size .25s}
.btn-text:hover{background-size:100% 1.5px}
.link-u{border-bottom:1px solid var(--line2);padding-bottom:3px;font-size:15px;color:var(--muted);transition:color .2s,border-color .2s}
.link-u:hover{color:var(--ink);border-color:var(--ink)}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px 28px;margin-top:44px}

/* header */
.site-header{position:sticky;top:0;z-index:50;height:var(--header);background:rgba(7,9,15,.72);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;justify-content:space-between;height:100%}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{display:block;width:36px;height:36px;border-radius:50%;box-shadow:0 0 0 1px rgba(255,255,255,.22)}
.brand-name{font-size:16px;font-weight:700;letter-spacing:-.02em}
.nav{display:flex;align-items:center;gap:32px;font-size:15px;color:#C5CBD8}
.nav a{padding:8px 0;transition:color .2s}
.nav a:hover{color:#fff}
.burger{display:none;width:48px;height:48px;margin-right:-12px;background:none;border:0;padding:0}
.burger i{display:block;width:22px;height:1.5px;background:#fff;margin:6px auto}

/* hero */
.hero{position:relative;display:flex;flex-direction:column;min-height:calc(100svh - var(--header));overflow:hidden;background:var(--bg)}
.hero-chart{position:absolute;right:0;top:0;bottom:44px;width:64%;-webkit-mask-image:linear-gradient(to right,transparent 0,transparent 8%,#000 42%);mask-image:linear-gradient(to right,transparent 0,transparent 8%,#000 42%)}
.hero-chart canvas{position:absolute;inset:0;width:100%;height:100%}
.chart-note{position:absolute;z-index:2;right:24px;bottom:14px;margin:0;font-size:12px;color:var(--muted2);letter-spacing:0}
.hero-copy{position:relative;z-index:2;flex:1;display:flex;flex-direction:column;justify-content:center;padding:96px 0 72px}
.lede{margin-top:32px;font-size:clamp(18px,1.7vw,22px);line-height:1.7;color:#C5CBD8}
.hero-foot{position:relative;z-index:2;display:flex;gap:56px;padding:26px 0 30px;border-top:1px solid var(--line)}
.hero-foot dl{display:flex;align-items:baseline;gap:12px}
.hero-foot dt{font-size:22px;font-weight:700;letter-spacing:-.03em}
.hero-foot dd{font-size:14px;color:var(--muted)}

/* statement */
.statement{background:var(--paper);color:var(--paper-ink);padding:clamp(96px,13vw,190px) 0}
.big{font-size:clamp(32px,5.2vw,76px);line-height:1.2;letter-spacing:-.05em;font-weight:300}
.big .hi{font-weight:800}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:clamp(64px,9vw,128px)}
.three>div{padding:28px 40px 8px 0;border-top:1px solid var(--paper-line)}
.three>div+div{padding-left:40px;border-left:1px solid var(--paper-line)}
.three p{margin-top:12px;font-size:16px;color:var(--paper-muted)}

/* roadmap */
.roadmap{padding:clamp(96px,12vw,180px) 0 clamp(80px,10vw,150px)}
.rm-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(48px,8vw,120px);align-items:start}
.rm-head{position:sticky;top:calc(var(--header) + 56px)}
.rm-head .btn{margin-top:36px}
.rm-wrap{position:relative;padding-left:64px}
.rm-rail{position:absolute;left:14px;top:14px;bottom:60px;width:2px;background:var(--line)}
.rm-fill{position:absolute;left:0;top:0;width:100%;height:100%;background:var(--accent);transform-origin:top;transform:scaleY(0)}
.rm-i{position:relative;padding:0 0 clamp(56px,7vw,96px);opacity:.38;transition:opacity .5s}
.rm-i:last-child{padding-bottom:0}
.rm-i.on{opacity:1}
.rm-dot{position:absolute;left:-64px;top:2px;width:30px;height:30px;border-radius:50%;border:2px solid var(--line2);background:var(--bg);transition:background .4s,border-color .4s}
.rm-i.on .rm-dot{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 8px rgba(255,194,71,.14)}
.rm-lv{font-size:15px;color:var(--muted);letter-spacing:0}
.rm-lv b{margin-left:8px;color:var(--ink);font-size:17px}
.rm-i h3{margin-top:10px;font-size:clamp(24px,2.5vw,32px);letter-spacing:-.035em}
.rm-i p:not(.rm-lv):not(.rm-grad){margin-top:12px;color:var(--muted);font-size:17px}
.rm-grad{margin-top:20px;padding-top:14px;border-top:1px solid var(--line);font-size:14px;color:#C5CBD8}

/* after graduation */
.after{background:var(--bg3);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:clamp(80px,10vw,140px) 0}
.after-in{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,8vw,120px);align-items:end}
.after-body p{color:var(--muted);font-size:18px}
.after-body .price-note{margin-top:20px;color:var(--ink);font-size:16px;font-weight:600}
.after-body .btn{margin-top:36px}

/* videos */
.videos{padding:clamp(96px,12vw,180px) 0}
.feat{display:grid;grid-template-columns:minmax(260px,340px) 1fr;gap:clamp(40px,8vw,112px);align-items:center}
.feat-copy h2{font-size:clamp(30px,3.8vw,54px)}
.dash{margin-top:36px;display:grid;gap:10px}
.dash li{position:relative;padding-left:22px;font-size:16px;color:#D5DAE6}
.dash li::before{content:"";position:absolute;left:0;top:.8em;width:10px;height:1.5px;background:var(--accent)}
.vp{position:relative;display:block;width:100%;aspect-ratio:9/14;padding:0;border:0;border-radius:6px;overflow:hidden;background:#0A0D14}
.vp-lg{aspect-ratio:9/16}
.vp img{width:100%;height:100%;object-fit:cover;object-position:50% 50%;transition:transform .5s}
.vp:hover img{transform:scale(1.04)}
.vp::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(7,9,15,.5),transparent 45%);pointer-events:none}
.play{position:absolute;left:50%;top:50%;z-index:2;width:60px;height:60px;border-radius:50%;background:rgba(255,255,255,.92);transform:translate(-50%,-50%);transition:transform .2s}
.play::before{content:"";position:absolute;left:52%;top:50%;transform:translate(-50%,-50%);border-left:16px solid #0E1119;border-top:10px solid transparent;border-bottom:10px solid transparent}
.vp:hover .play{transform:translate(-50%,-50%) scale(1.08)}
.lib-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:clamp(72px,9vw,128px) 0 28px;padding-top:28px;border-top:1px solid var(--line)}
.filters{display:flex;gap:6px}
.chip{min-height:44px;padding:0 20px;border-radius:999px;border:1px solid transparent;background:transparent;font-size:15px;color:var(--muted);transition:color .2s,background .2s}
.chip:hover{color:var(--ink)}
.chip.on{background:var(--ink);color:var(--bg);font-weight:700}
.lib{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.lc[hidden]{display:none}
.lc h4{margin-top:16px;font-size:16px;line-height:1.5;font-weight:600;letter-spacing:-.02em}
.lc p{margin-top:4px;font-size:13px;color:var(--muted2)}
.lib-more{margin-top:48px;text-align:right}

/* instructor */
.instructor{position:relative;overflow:hidden;padding:clamp(88px,11vw,160px) 0;background:radial-gradient(900px 600px at 78% 40%,rgba(255,194,71,.09),transparent 60%),var(--bg2);border-top:1px solid var(--line)}
.ins-in{position:relative;display:grid;grid-template-columns:repeat(12,1fr);grid-template-rows:auto auto;column-gap:24px;align-items:center}
.ins-photo{grid-column:5/13;grid-row:1/3;position:relative;overflow:hidden;border-radius:4px;aspect-ratio:568/500}
.ins-photo img{width:100%;height:100%;object-fit:cover;object-position:50% 0;filter:saturate(.9) contrast(1.06)}
.ins-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,15,23,.92),rgba(12,15,23,.35) 38%,transparent 62%),linear-gradient(0deg,rgba(12,15,23,.7),transparent 38%)}
.ins-quote{grid-column:1/8;grid-row:1;position:relative;z-index:3;align-self:center;padding-right:0}
.ins-quote p{font-size:clamp(40px,7vw,104px);line-height:1.1;letter-spacing:-.055em;font-weight:800}
.ins-copy{grid-column:1/6;grid-row:2;position:relative;z-index:3;margin-top:clamp(40px,6vw,88px)}
.ins-copy h2{font-size:clamp(28px,3vw,40px)}
.ins-role{margin-top:4px;font-size:15px;color:var(--accent)}
.ins-copy p:not(.ins-role):not(.muted-s){margin-top:18px;color:#C5CBD8;font-size:16px}
.ins-copy .muted-s{margin-top:14px}

/* daily */
.daily{background:var(--paper);color:var(--paper-ink);padding:clamp(88px,11vw,160px) 0}
.daily-in{display:grid;grid-template-columns:1fr 1fr;gap:0}
.d-col{padding:0 clamp(24px,5vw,72px) 0 0}
.d-col+.d-col{padding:0 0 0 clamp(24px,5vw,72px);border-left:1px solid var(--paper-line)}
.d-col h2{font-size:clamp(28px,3.4vw,46px)}
.daily .sub{color:var(--paper-muted);font-size:16px}
.daily .muted-s{margin-top:20px;color:var(--paper-muted)}
.tbl{width:100%;margin-top:36px;border-collapse:collapse;font-size:16px}
.tbl th,.tbl td{padding:15px 0;border-bottom:1px solid var(--paper-line);text-align:left;font-weight:500}
.tbl td{text-align:right;font-weight:700}
.tbl .up{color:var(--up)}.tbl .down{color:var(--down)}
.rank{margin-top:36px}
.rank li{display:grid;grid-template-columns:28px 1fr minmax(80px,38%) 36px;gap:14px;align-items:center;padding:15px 0;border-bottom:1px solid var(--paper-line);font-size:16px}
.rank b{font-weight:700}
.rank i{display:block;height:4px;background:var(--paper-line);border-radius:2px;overflow:hidden}
.rank u{display:block;height:100%;background:var(--paper-ink);text-decoration:none}
.rank em{font-style:normal;font-weight:700;text-align:right}

/* faq */
.faq-sec{padding:clamp(88px,11vw,160px) 0}
.faq-in{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(40px,8vw,120px);align-items:start}
.faq-in h2{position:sticky;top:calc(var(--header) + 56px)}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:44px;padding:26px 0;font-size:19px;font-weight:600;letter-spacing:-.02em;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:12px;height:12px;border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:rotate(45deg) translateY(-3px);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(225deg) translateY(-3px)}
.faq summary:hover{color:#fff}
.faq details p{padding:0 40px 28px 0;color:var(--muted);font-size:16px}

/* apply */
.apply{background:var(--bg3);border-top:1px solid var(--line);padding:clamp(88px,11vw,160px) 0}
.apply-in{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,8vw,112px);align-items:start}
.flow{margin-top:40px;border-left:1.5px solid var(--line2);padding-left:24px;display:grid;gap:18px}
.flow li{position:relative;font-size:16px;color:#D5DAE6}
.flow li::before{content:"";position:absolute;left:-30px;top:.55em;width:11px;height:11px;border-radius:50%;background:var(--bg3);border:1.5px solid var(--accent)}
.contact{margin-top:36px;font-size:14px;color:var(--muted);line-height:1.8}
.apply-form{display:grid;gap:18px;background:var(--paper);color:var(--paper-ink);padding:clamp(28px,4vw,48px);border-radius:28px}
.apply-form label{display:grid;gap:8px;font-size:14px;font-weight:600;color:var(--paper-muted)}
.apply-form input:not([type=checkbox]),.apply-form select{font:400 16px var(--font);color:var(--paper-ink);height:54px;padding:0 16px;border:1px solid var(--paper-line);border-radius:12px;background:#fff}
.apply-form input:focus,.apply-form select:focus{outline:2px solid var(--paper-ink);border-color:var(--paper-ink)}
.apply-form .check{display:flex;gap:12px;align-items:flex-start;font-weight:400;font-size:14px;line-height:1.5}
.apply-form .check input{width:20px;height:20px;margin:0;flex:none}
.apply-form .btn-primary{width:100%;background:var(--paper-ink);border-color:var(--paper-ink);color:#fff}
.apply-form .btn-primary:hover{background:#262B38;border-color:#262B38}
.fine{font-size:12px;color:var(--paper-muted);text-align:center}

/* risk + footer */
.risk{background:#05070C;border-top:1px solid var(--line)}
.risk-in{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:36px 0}
.risk b{font-size:14px;color:#C5CBD8}
.risk p{font-size:13px;line-height:1.85;color:var(--muted2)}
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:44px 0}
.foot{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot nav{display:flex;gap:28px;font-size:14px;color:var(--muted)}
.foot nav a:hover{color:#fff}
.foot p{font-size:12px;color:var(--muted2)}

/* dialogs */
dialog{border:0;padding:0;color:var(--ink);background:transparent}
dialog::backdrop{background:rgba(3,5,10,.8);backdrop-filter:blur(4px)}
.quiz{width:min(640px,100% - 32px);margin:auto;padding:44px;background:var(--bg3);border:1px solid var(--line2);border-radius:24px}
.quiz h2{font-size:32px;padding:0}
.x{position:absolute;right:12px;top:10px;width:48px;height:48px;border:0;background:none;font-size:30px;color:var(--muted)}
.x:hover{color:#fff}
.quiz-bar{height:3px;background:var(--line);margin:24px 0 0}
.quiz-bar i{display:block;height:100%;width:12.5%;background:var(--accent);transition:width .3s}
.quiz-step{margin:14px 0 6px;font-size:13px;color:var(--muted)}
.quiz h3{margin-bottom:18px;font-size:22px}
.opts{display:grid;gap:10px}
.opt{text-align:left;min-height:56px;padding:14px 18px;font:500 16px var(--font);color:var(--ink);background:var(--bg2);border:1px solid var(--line);border-radius:12px;transition:border-color .2s,background .2s}
.opt:hover{border-color:var(--accent);background:rgba(255,194,71,.07)}
.res-lv{font-size:72px;font-weight:800;letter-spacing:-.05em;line-height:1.1;margin:4px 0 10px}
.vmodal{width:min(400px,100% - 32px);margin:auto;overflow:visible}
.vframe{aspect-ratio:9/16;max-height:86vh;width:100%;background:#000}
.vframe iframe{width:100%;height:100%;border:0;display:block}
.vmodal .x{top:-52px;right:-8px;color:#fff}
.sample-flag{position:fixed;left:12px;bottom:12px;z-index:60;font-size:10px;font-weight:700;letter-spacing:.14em;color:var(--accent);background:rgba(7,9,15,.92);border:1px dashed rgba(255,194,71,.5);padding:4px 8px;pointer-events:none}

/* ---------- tablet ---------- */
@media (max-width:1024px){
  .hero-chart{width:100%;opacity:.55;-webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 40%);mask-image:linear-gradient(to bottom,transparent 0,#000 40%)}
  .hero-copy{padding-top:72px}
  .rm-grid,.after-in,.faq-in,.apply-in{grid-template-columns:minmax(0,1fr)}
  .rm-head,.faq-in h2{position:static}
  .after-in{align-items:start}
  .feat{grid-template-columns:minmax(240px,300px) 1fr}
  .lib{grid-template-columns:repeat(3,1fr)}
  .ins-photo{grid-column:5/13}
  .ins-quote{grid-column:1/10}
  .ins-copy{grid-column:1/8}
}
/* ---------- mobile ---------- */
@media (max-width:760px){
  :root{--header:64px}
  body{font-size:16px}
  .wrap{width:calc(100% - 40px)}
  .nav{position:fixed;left:0;right:0;top:var(--header);bottom:0;display:none;flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 32px;background:var(--bg);font-size:20px;overflow:auto}
  .nav.open{display:flex}
  .nav a{padding:20px 0;border-bottom:1px solid var(--line);min-height:56px}
  .nav-cta{margin-top:28px;min-height:56px;font-size:16px}
  .burger{display:block}
  h1{font-size:clamp(40px,12.4vw,56px)}
  h2{font-size:clamp(28px,8.4vw,36px)}
  .sub{font-size:16px}
  .hero{min-height:0}
  .hero-chart{position:relative;order:2;width:100%;height:260px;margin-top:-8px;opacity:1;-webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 22%);mask-image:linear-gradient(to bottom,transparent 0,#000 22%)}
  .chart-note{bottom:12px;right:20px}
  .hero-copy{order:1;padding:56px 0 28px}
  .hero-foot{order:3;gap:0;justify-content:space-between;padding:20px 0 24px;flex-wrap:nowrap}
  .hero-foot dl{display:block}
  .hero-foot dd{font-size:12px}
  .hero-foot dt{font-size:20px}
  .actions{margin-top:32px}
  .actions .btn{width:100%}
  .three{grid-template-columns:1fr}
  .three>div,.three>div+div{padding:24px 0 8px;border-left:0}
  .rm-wrap{padding-left:52px}
  .rm-rail{left:11px}
  .rm-dot{left:-52px;width:24px;height:24px}
  .rm-head .btn{width:100%}
  .after-body .btn{width:100%}
  .feat{grid-template-columns:1fr;gap:32px}
  .vp-lg{max-width:320px;margin:0 auto;width:100%}
  .lib-head{flex-direction:column;align-items:flex-start;gap:12px}
  .filters{flex-wrap:wrap}
  .lib{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-left:20px;margin:0 -20px;padding:0 20px 8px;-webkit-overflow-scrolling:touch}
  .lc{flex:0 0 62%;scroll-snap-align:start}
  .lib-more{text-align:left}
  .ins-in{display:flex;flex-direction:column;align-items:stretch}
  .ins-quote{order:1;align-self:stretch;margin-bottom:-48px;position:relative;z-index:3}
  .ins-quote p{font-size:clamp(38px,11.5vw,52px)}
  .ins-photo{order:2;aspect-ratio:568/500}
  .ins-copy{order:3;margin-top:32px}
  .daily-in{grid-template-columns:1fr}
  .d-col,.d-col+.d-col{padding:0;border-left:0}
  .d-col+.d-col{margin-top:64px;padding-top:56px;border-top:1px solid var(--paper-line)}
  .faq summary{font-size:17px;padding:22px 0}
  .faq details p{padding-right:0}
  .apply-form{border-radius:22px}
  .risk-in{grid-template-columns:1fr;gap:8px}
  .foot{flex-direction:column;align-items:flex-start}
  .foot nav{flex-wrap:wrap;gap:12px 24px}
  .quiz{padding:30px 22px}
  .quiz h2{font-size:26px}
  .res-lv{font-size:56px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .rm-i{opacity:1}
}

/* touch targets */
.brand{min-height:44px}
.nav a{padding:11px 0}
.foot nav a{display:inline-flex;align-items:center;min-height:44px}
@media (max-width:760px){.nav a{min-height:56px}}

.tbd{font-size:13px;color:var(--accent);background:rgba(255,194,71,.1);border:1px dashed rgba(255,194,71,.45);padding:1px 8px;border-radius:4px}

/* live chart */
#lwc{position:absolute;inset:0;display:none}
.hero-chart.live #lwc{display:block}
.hero-chart.live #heroChart{display:none}
.chart-note a{color:inherit;border-bottom:1px solid currentColor;pointer-events:auto}
.chart-note{pointer-events:none}
@media (max-width:760px){.chart-note{left:20px;right:20px;text-align:right}}

@media (max-width:760px){.hero-chart{bottom:auto;margin-bottom:0}.chart-note{position:static;order:3;padding:10px 20px 28px;text-align:left;line-height:1.6}}
@media (max-width:760px){.chart-note a{display:inline-block;padding:13px 0 12px;margin:-13px 0 -12px}}