/* ================================================================
   AI 3D 미디어아트 슈퍼 제너럴리스트
   Concept: Organic Digital Gallery
   ================================================================ */
:root{
  --bg:#0b0b0d;
  --bg2:#121215;
  --card:#17171b;
  --line:rgba(255,255,255,.10);
  --ink:#ffffff;
  --mute:#9b9ba4;
  --mute2:#c9c9d2;
  --cream:#f2e9dc;
  --pink:#f4b8c8;
  --glass:#8fd8e0;
  --gold:#e9a23c;
  --max:1180px;
  --read:820px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Pretendard","Inter",system-ui,sans-serif;
  background:var(--bg);color:var(--ink);
  line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
b{color:var(--cream)}
img,video{max-width:100%;display:block}
.pcbr{display:inline}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:.95rem;border-radius:100px;padding:13px 26px;
  border:1px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap;font-family:inherit}
.btn-fill{background:var(--cream);color:#111}
.btn-fill:hover{background:#fff;transform:translateY(-2px)}
.btn-line{border-color:rgba(255,255,255,.35);color:#fff}
.btn-line:hover{border-color:#fff;background:rgba(255,255,255,.07)}
.btn-sm{padding:9px 18px;font-size:.86rem}
.btn-lg{padding:16px 34px;font-size:1rem}
.wide{width:100%}

/* header */
.hdr{position:sticky;top:0;z-index:100;background:rgba(11,11,13,.82);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.hdr-in{max-width:1320px;margin:0 auto;display:flex;align-items:center;gap:28px;
  height:64px;padding:0 24px}
.brand{font-family:"Inter",sans-serif;font-weight:800;font-size:1.2rem;letter-spacing:.01em;
  display:inline-flex;align-items:center;gap:8px}
.bm{color:var(--pink);font-size:.85rem;letter-spacing:-2px}
.brand em{font-style:normal;font-weight:600;color:var(--pink)}
.nav{display:flex;gap:24px;flex:1;justify-content:center}
.nav a{font-size:.92rem;color:var(--mute2);transition:color .15s}
.nav a:hover{color:#fff}
.hdr-r{display:flex;align-items:center;gap:12px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:22px;height:2px;background:#fff;border-radius:2px;transition:.3s}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:92vh;display:grid;place-items:center;
  padding:80px 24px 70px;overflow:hidden;text-align:center}
.hero-v{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.30;z-index:0}
.hero-shade{position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(60% 55% at 50% 40%,rgba(244,184,200,.13),transparent 70%),
    radial-gradient(50% 50% at 15% 80%,rgba(143,216,224,.10),transparent 70%),
    linear-gradient(180deg,rgba(11,11,13,.55),rgba(11,11,13,.80) 65%,var(--bg))}
.hero-in{position:relative;z-index:2;max-width:var(--max)}
.kicker{display:inline-block;font-family:"Inter",sans-serif;font-size:.74rem;font-weight:700;
  letter-spacing:.28em;color:var(--pink);border:1px solid rgba(244,184,200,.3);
  background:rgba(244,184,200,.06);padding:8px 18px;border-radius:100px}
.hero h1{font-size:clamp(2.1rem,5.4vw,4.25rem);font-weight:800;line-height:1.16;
  letter-spacing:-.035em;margin:26px 0 22px}
.grad{background:linear-gradient(100deg,var(--cream),var(--pink) 45%,var(--glass));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.lead{font-size:clamp(1.05rem,2.1vw,1.35rem);color:var(--cream);font-weight:600;
  line-height:1.6;margin-bottom:22px}
.sub{color:var(--mute);font-size:clamp(.95rem,1.5vw,1.05rem);line-height:1.85;
  max-width:var(--read);margin:0 auto 34px}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:56px}
.hero-meta{display:flex;justify-content:center;gap:52px;flex-wrap:wrap}
.hero-meta div{display:flex;flex-direction:column;align-items:center}
.hero-meta strong{font-family:"Inter",sans-serif;font-size:2.1rem;font-weight:800;color:var(--cream);line-height:1}
.hero-meta span{color:var(--mute);font-size:.84rem;margin-top:7px}

/* ---------- sections ---------- */
.sec{max-width:var(--max);margin:0 auto;padding:96px 24px}
.band{max-width:none;background:var(--bg2)}
.band>*{max-width:var(--max);margin-left:auto;margin-right:auto}
.h2{text-align:center;font-size:clamp(1.6rem,3.4vw,2.5rem);font-weight:800;
  letter-spacing:-.025em;line-height:1.25;margin-bottom:18px}
.sub2{text-align:center;color:var(--mute);font-size:1.02rem;line-height:1.85;
  max-width:var(--read);margin:0 auto 48px}
.note{text-align:center;color:#6f6f78;font-size:.85rem;margin-top:28px}

/* problem cards */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pcard{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px 26px;
  transition:.25s}
.pcard:hover{border-color:rgba(244,184,200,.4);transform:translateY(-4px)}
.pcard h3{font-size:1.05rem;margin-bottom:10px;color:var(--cream)}
.pcard p{color:var(--mute);font-size:.92rem}

/* journey */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px 26px}
.sn{font-family:"Inter",sans-serif;font-weight:800;font-size:.82rem;color:var(--pink);letter-spacing:.1em}
.step h3{font-size:1.08rem;margin:10px 0 10px}
.step p{color:var(--mute);font-size:.92rem}

/* works */
.wgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.work{background:var(--card);border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:.25s}
.work:hover{transform:translateY(-5px);border-color:rgba(255,255,255,.22)}
.wv{aspect-ratio:16/9;position:relative}
.wv1{background:linear-gradient(135deg,#3a1226,#a8365f 55%,#f4b8c8)}
.wv2{background:linear-gradient(135deg,#0d2c33,#2b8f9e 55%,#bfeef2)}
.wv3{background:linear-gradient(135deg,#3a2a10,#c08a3e 55%,#f2e9dc)}
.wv4{background:linear-gradient(135deg,#141a33,#3f56a8 55%,#9fb6f0)}
.wb{padding:26px 26px 30px}
.wtype{font-family:"Inter",sans-serif;font-size:.7rem;letter-spacing:.16em;color:var(--pink);font-weight:700}
.wb h3{font-family:"Inter",sans-serif;font-size:1.35rem;font-weight:800;letter-spacing:.02em;margin:10px 0 12px}
.wb p{color:var(--mute);font-size:.93rem;margin-bottom:18px}
.wspec{display:flex;flex-direction:column;gap:9px;border-top:1px solid var(--line);padding-top:16px}
.wspec>div{display:flex;gap:14px;font-size:.84rem}
.wspec dt{font-family:"Inter",sans-serif;color:#6f6f78;min-width:64px;letter-spacing:.08em}
.wspec dd{color:var(--mute2)}

/* who */
.two{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.tcard{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:34px 32px}
.tcard h3{font-size:1.2rem;margin-bottom:18px}
.tcard ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.tcard li{position:relative;padding-left:26px;color:var(--mute);font-size:.95rem}
.tcard.ok{border-color:rgba(244,184,200,.28)}
.tcard.ok h3{color:var(--pink)}
.tcard.ok li::before{content:"✓";position:absolute;left:0;color:var(--pink);font-weight:800}
.tcard.no h3{color:#8b8b94}
.tcard.no li::before{content:"×";position:absolute;left:0;color:#6f6f78;font-weight:800}

/* projects */
.prjgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.prj{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:32px 30px;transition:.25s}
.prj:hover{border-color:rgba(143,216,224,.4);transform:translateY(-4px)}
.pl{font-family:"Inter",sans-serif;font-size:.72rem;letter-spacing:.16em;color:var(--glass);font-weight:800}
.prj h3{font-family:"Inter",sans-serif;font-size:1.5rem;font-weight:800;margin:10px 0 10px}
.prj>p{color:var(--mute2);font-size:.95rem;margin-bottom:16px}
.prj ul{list-style:none;display:flex;flex-direction:column;gap:8px;border-top:1px solid var(--line);padding-top:16px}
.prj li{color:var(--mute);font-size:.9rem;padding-left:16px;position:relative}
.prj li::before{content:"·";position:absolute;left:4px;color:var(--glass)}

/* curriculum */
.weeks{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto}
.wk{display:flex;gap:20px;align-items:stretch}
.wkn{flex:0 0 92px;display:grid;place-items:center;background:linear-gradient(140deg,var(--cream),var(--pink));
  color:#181818;font-family:"Inter",sans-serif;font-weight:800;font-size:.9rem;border-radius:14px}
.wkb{flex:1;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 26px}
.wkb h3{font-size:1.08rem;margin-bottom:7px;color:var(--cream)}
.wkb p{color:var(--mute);font-size:.9rem;line-height:1.75}

/* outcome */
.ogrid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.oc{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px 18px;text-align:center}
.oc strong{display:block;font-family:"Inter",sans-serif;font-size:1.1rem;font-weight:800;color:var(--pink);margin-bottom:8px}
.oc span{color:var(--mute);font-size:.85rem}

/* instructor */
.inst{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:center;max-width:1000px;margin:0 auto}
.inst-v{aspect-ratio:4/5;border-radius:22px;
  background:linear-gradient(150deg,#2a1020,#7d3455 45%,#f4b8c8);border:1px solid var(--line)}
.inst-b{display:flex;flex-direction:column;gap:18px}
.inst-b p{color:var(--mute);font-size:1rem;line-height:1.85}

/* format */
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.fc{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px 26px}
.fc strong{display:block;font-size:1.1rem;color:var(--cream);margin-bottom:10px}
.fc span{color:var(--mute);font-size:.92rem;line-height:1.7}

/* price */
.prices{display:grid;grid-template-columns:1fr 1fr;gap:22px;max-width:860px;margin:0 auto}
.pr{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:38px 34px;
  display:flex;flex-direction:column;position:relative}
.pr.feat{border-color:var(--pink);box-shadow:0 0 0 1px var(--pink)}
.tagx{position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:linear-gradient(100deg,var(--cream),var(--pink));color:#161616;
  font-family:"Inter",sans-serif;font-weight:800;font-size:.68rem;letter-spacing:.1em;
  padding:6px 16px;border-radius:100px}
.pl2{font-family:"Inter",sans-serif;font-weight:800;font-size:.78rem;letter-spacing:.14em;color:var(--mute)}
.amt{font-family:"Inter","Pretendard",sans-serif;font-size:2rem;font-weight:800;margin:12px 0 20px}
.amt s{color:#6f6f78;font-size:1.15rem;font-weight:600;margin-right:8px}
.amt b{color:var(--pink)}
.pr ul{list-style:none;display:flex;flex-direction:column;gap:11px;margin-bottom:26px;flex:1}
.pr li{color:var(--mute);font-size:.94rem;padding-left:22px;position:relative}
.pr li::before{content:"✓";position:absolute;left:0;color:var(--pink);font-weight:800}

/* faq */
.faq{max-width:var(--read);margin:0 auto;display:flex;flex-direction:column;gap:12px}
.fq{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.fqq{width:100%;text-align:left;background:none;border:0;cursor:pointer;font-family:inherit;
  padding:22px 26px;font-size:1rem;font-weight:600;color:#fff;
  display:flex;justify-content:space-between;align-items:center;gap:16px}
.fqq span{color:var(--pink);font-size:1.4rem;font-weight:300;transition:transform .3s}
.fq.on .fqq span{transform:rotate(45deg)}
.fqa{max-height:0;overflow:hidden;transition:max-height .32s ease}
.fqa p{padding:0 26px 24px;color:var(--mute);font-size:.95rem;line-height:1.8}

/* apply */
.apply{max-width:none;background:
  radial-gradient(70% 60% at 20% 20%,rgba(244,184,200,.10),transparent 70%),
  radial-gradient(60% 60% at 85% 75%,rgba(143,216,224,.08),transparent 70%),var(--bg2)}
.ap-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center;
  max-width:var(--max);margin:0 auto}
.ap-copy h2{font-size:clamp(1.5rem,3vw,2.15rem);font-weight:800;letter-spacing:-.02em;
  line-height:1.35;margin:16px 0 18px}
.ap-copy>p{color:var(--mute);font-size:1rem}
.ap-pts{list-style:none;display:flex;flex-direction:column;gap:12px;margin:24px 0}
.ap-pts li{position:relative;padding-left:26px;color:var(--mute2)}
.ap-pts li::before{content:"✓";position:absolute;left:0;color:var(--pink);font-weight:800}
.ap-mail{color:var(--mute);margin-top:22px}
.ap-mail a{color:var(--pink);font-weight:600}
.ap-form{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:34px 32px}
.ap-form h3{font-size:1.25rem;font-weight:800;margin-bottom:22px}
.fld{margin-bottom:15px}
.fld label{display:block;font-size:.85rem;font-weight:600;margin-bottom:7px;color:var(--mute2)}
.fld label i{color:var(--pink);font-style:normal}
.fld input,.fld select,.fld textarea{width:100%;padding:13px 15px;border:1px solid var(--line);
  border-radius:11px;font-family:inherit;font-size:.94rem;color:#fff;background:#1e1e23;transition:border-color .15s}
.fld input::placeholder,.fld textarea::placeholder{color:#63636c}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--pink)}
.fld select option{background:#1e1e23}
.fld textarea{resize:vertical}
.agree{display:flex;gap:9px;align-items:flex-start;font-size:.83rem;color:var(--mute);
  margin:6px 0 20px;cursor:pointer;line-height:1.5}
.agree input{margin-top:3px;flex-shrink:0;accent-color:var(--pink);width:16px;height:16px}
.fstat{margin-top:14px;font-size:.9rem;font-weight:600;text-align:center}
.fstat.ok{color:#7fe0a0}
.fstat.err{color:#ff8f8f}

/* footer */
.ftr{background:#08080a;border-top:1px solid var(--line)}
.ftr-in{max-width:var(--max);margin:0 auto;padding:48px 24px 34px;
  display:flex;justify-content:space-between;gap:34px;flex-wrap:wrap}
.ftr-in p{color:var(--mute);font-size:.88rem;margin-top:12px;line-height:1.7}
.ftr-links{display:flex;flex-direction:column;gap:9px}
.ftr-links a{color:var(--mute);font-size:.9rem}
.ftr-links a:hover{color:var(--pink)}
.ftr-b{border-top:1px solid var(--line);padding:18px 24px;text-align:center;
  font-size:.83rem;color:#5e5e66}

/* mobile sticky CTA */
.mcta{display:none;position:fixed;left:16px;right:16px;bottom:16px;z-index:200;
  background:linear-gradient(100deg,var(--cream),var(--pink));color:#161616;
  text-align:center;padding:16px;border-radius:100px;font-weight:800;
  box-shadow:0 10px 30px rgba(0,0,0,.45)}

/* reveal */
.rv{opacity:0;transform:translateY(24px);transition:opacity .7s,transform .7s}
.rv.in{opacity:1;transform:none}

/* ================= responsive ================= */
@media (max-width:1080px){
  .nav{display:none}
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .ogrid{grid-template-columns:repeat(3,1fr)}
  .fgrid{grid-template-columns:repeat(2,1fr)}
  .inst{grid-template-columns:1fr;gap:28px}
  .inst-v{aspect-ratio:16/10;max-width:460px}
  .ap-grid{grid-template-columns:1fr;gap:34px}
}
@media (max-width:760px){
  .burger{display:flex}
  .nav{position:fixed;top:64px;left:0;right:0;display:flex;flex-direction:column;gap:0;
    background:var(--bg2);border-bottom:1px solid var(--line);padding:8px 0;
    transform:translateY(-130%);transition:transform .3s}
  .nav.open{transform:none}
  .nav a{padding:14px 24px}
  .pcbr{display:none}
  .sec{padding:70px 20px}
  .hero{min-height:auto;padding:60px 20px 56px}
  .hero h1{font-size:clamp(1.9rem,8vw,2.5rem);line-height:1.2}
  .hero-meta{gap:30px}
  .hero-meta strong{font-size:1.7rem}
  .pgrid,.steps,.wgrid,.two,.prjgrid,.fgrid,.prices{grid-template-columns:1fr}
  .ogrid{grid-template-columns:repeat(2,1fr)}
  .wk{flex-direction:column;gap:0}
  .wkn{flex:none;padding:10px;border-radius:14px 14px 0 0}
  .wkb{border-radius:0 0 14px 14px}
  .mcta{display:block}
  body{padding-bottom:84px}
  .ftr-in{flex-direction:column}
}
@media (max-width:420px){
  .ogrid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  .hero-v{display:none}
  .rv{opacity:1;transform:none}
}