:root {
  --bg: #0a0b14;
  --bg2: #10111d;
  --card: #151726;
  --line: rgba(255, 255, 255, 0.08);
  --text: #eef0ff;
  --dim: #9aa0c3;
  --accent: #ff6b6b;
  --teal: #4fe3d1;
  --violet: #9c8cff;
  --gold: #ffcc66;
  color-scheme: dark;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: 'Pretendard Variable', Pretendard, -apple-system, 'Malgun Gothic', sans-serif; line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }

.nav { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; padding: 18px clamp(16px, 4vw, 56px); background: rgba(10, 11, 20, 0.72); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.brand { font-size: 19px; letter-spacing: 0.08em; }
.brand b { font-weight: 800; }
.pill { padding: 6px 13px; border-radius: 999px; border: 1px solid rgba(255,255,255,0.18); font-size: 12px; letter-spacing: 0.22em; font-weight: 700; }

main { overflow: hidden; }
.hero { position: relative; display: grid; grid-template-columns: 1.05fr 0.95fr; align-items: center; gap: 24px; max-width: 1240px; margin: 0 auto; padding: clamp(32px, 6vw, 72px) clamp(16px, 4vw, 56px) 40px; }
.hero::before { content: ''; position: absolute; inset: -200px -300px auto auto; width: 900px; height: 900px; background: radial-gradient(circle, rgba(140, 100, 255, 0.16), transparent 65%); pointer-events: none; }
.eyebrow { font-size: 13px; letter-spacing: 0.24em; font-weight: 700; color: var(--accent); }
h1 { margin-top: 16px; font-size: clamp(40px, 6.4vw, 76px); line-height: 1.12; font-weight: 800; letter-spacing: -0.03em; }
.grad { background: linear-gradient(90deg, #ff8a7a, #c58bff 60%, #6fe7ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { margin-top: 24px; max-width: 34em; font-size: clamp(16px, 1.8vw, 19px); color: var(--dim); }
.lead b { color: var(--text); font-weight: 700; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn { display: inline-flex; align-items: center; padding: 13px 22px; border-radius: 12px; font-weight: 700; font-size: 16px; border: 1px solid rgba(255,255,255,0.16); background: rgba(255,255,255,0.03); transition: background 0.2s, transform 0.2s; }
.btn:hover { background: rgba(255,255,255,0.08); transform: translateY(-1px); }
.btn.primary { border-color: transparent; background: linear-gradient(90deg, #ff6b6b, #b37bff); color: #fff; }
.note { margin-top: 18px; font-size: 14px; color: var(--dim); }
.hero-art { position: relative; justify-self: center; width: min(100%, 480px); }
.hero-art video { width: 100%; aspect-ratio: 760 / 1040; object-fit: cover; border-radius: 24px; background: #0b0c16; }
.art-tag { position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%); padding: 6px 12px; border-radius: 8px; background: rgba(0,0,0,0.55); border: 1px solid var(--line); font-size: 13px; font-weight: 600; white-space: nowrap; }

.film { max-width: 1240px; margin: 0 auto; padding: 40px clamp(16px, 4vw, 56px) 24px; }
.film-frame { border-radius: 20px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 40px 120px rgba(0,0,0,0.5); background: #000; }
.film-frame video { width: 100%; aspect-ratio: 16 / 9; }
.caption { margin-top: 12px; font-size: 14px; color: var(--dim); text-align: center; }

.how { max-width: 1240px; margin: 0 auto; padding: 80px clamp(16px, 4vw, 56px) 40px; }
h2 { font-size: clamp(28px, 4vw, 44px); font-weight: 800; letter-spacing: -0.02em; }
.sub { margin-top: 10px; color: var(--dim); font-size: 17px; }
.steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 36px; }
.steps li { border-radius: 18px; overflow: hidden; background: var(--card); border: 1px solid var(--line); }
.steps img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.steps li > div { padding: 18px 20px 22px; }
.steps .n { font-size: 13px; font-weight: 800; letter-spacing: 0.18em; color: var(--accent); }
.steps h3 { margin-top: 4px; font-size: 20px; font-weight: 800; }
.steps p { margin-top: 8px; font-size: 15px; color: var(--dim); }

.numbers { max-width: 1240px; margin: 0 auto; padding: 50px clamp(16px, 4vw, 56px); }
.numbers .grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 18px; }
.numbers .grid div { padding: 26px 20px; border-radius: 18px; background: var(--card); border: 1px solid var(--line); }
.numbers b { display: block; font-size: clamp(34px, 5vw, 52px); font-weight: 800; color: var(--teal); line-height: 1.1; }
.numbers b small { font-size: 0.45em; margin-left: 2px; }
.numbers .grid div:nth-child(2) b { color: #fff; }
.numbers .grid div:nth-child(3) b { color: #ff5fb0; }
.numbers .grid div:nth-child(4) b { color: var(--gold); }
.numbers span { color: var(--dim); font-weight: 600; font-size: 15px; }

.soon { max-width: 1240px; margin: 0 auto; padding: 50px clamp(16px, 4vw, 56px) 90px; }
.flow { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 26px; }
.flow li { padding: 24px; border-radius: 18px; background: linear-gradient(180deg, rgba(255,107,107,0.07), rgba(255,255,255,0.02)); border: 1px solid var(--line); }
.flow span { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: rgba(255,107,107,0.16); color: var(--accent); font-weight: 800; }
.flow b { display: block; margin-top: 14px; font-size: 19px; }
.flow p { margin-top: 6px; color: var(--dim); font-size: 15px; }
.soon-note { margin-top: 22px; color: var(--dim); font-size: 15px; }

footer { padding: 30px clamp(16px, 4vw, 56px) 44px; border-top: 1px solid var(--line); color: var(--dim); font-size: 14px; text-align: center; }
footer .fine { margin-top: 6px; font-size: 12px; opacity: 0.8; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; text-align: left; }
  .hero-art { width: min(100%, 380px); }
  .steps { grid-template-columns: 1fr 1fr; }
  .numbers .grid { grid-template-columns: 1fr 1fr; }
  .flow { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .nav { padding: 14px 16px; }
}
