:root {
  color-scheme: dark;
  --bg: #070a10;
  --panel: #0e1420;
  --panel-2: #121b2a;
  --line: #243044;
  --text: #f5f7fb;
  --muted: #a8b3c7;
  --blue: #6ea8ff;
  --blue-2: #3d7ce8;
  --green: #62d7a2;
  --red: #ff0033;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 75% -10%, rgba(61, 124, 232, .2), transparent 34rem),
    radial-gradient(circle at 8% 25%, rgba(98, 215, 162, .08), transparent 25rem),
    var(--bg);
  color: var(--text);
  font: 16px/1.65 Inter, Pretendard, "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: var(--blue); text-underline-offset: 3px; }
a:hover { color: #a8c9ff; }
.shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(7,10,16,.9);
  backdrop-filter: blur(16px);
}
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { color: var(--text); text-decoration: none; font-weight: 760; letter-spacing: -.02em; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 650; }
.nav-links a[aria-current="page"], .nav-links a:hover { color: var(--text); }
.hero { padding: 104px 0 72px; }
.eyebrow { color: var(--green); font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.035em; }
h1 { max-width: 850px; margin: 18px 0 24px; font-size: clamp(42px, 6vw, 76px); }
h2 { margin: 0 0 18px; font-size: clamp(28px, 4vw, 42px); }
h3 { margin: 0 0 10px; font-size: 21px; }
p { margin: 0 0 18px; color: var(--muted); }
.lede { max-width: 760px; font-size: clamp(18px, 2vw, 22px); }
.status-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.pill { border: 1px solid var(--line); border-radius: 99px; padding: 9px 14px; background: rgba(18,27,42,.72); color: #dce4f2; font-size: 13px; font-weight: 700; }
.youtube-attribution {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin-top: 32px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  text-decoration: none;
  background: #fff;
}
.youtube-attribution span { color: #181818; font-size: 14px; font-weight: 750; }
.yt-icon { width: 34px; height: 24px; display: block; }
.section { padding: 72px 0; border-top: 1px solid rgba(255,255,255,.07); }
.section-head { max-width: 720px; margin-bottom: 34px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.card { min-height: 190px; padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(145deg, rgba(18,27,42,.95), rgba(12,17,27,.95)); }
.card .number { display: inline-grid; place-items: center; width: 34px; height: 34px; margin-bottom: 26px; border-radius: 10px; color: #dceaff; background: rgba(61,124,232,.2); font-weight: 800; }
.card p:last-child { margin-bottom: 0; }
.callout { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 30px; padding: 30px; border: 1px solid rgba(98,215,162,.35); border-radius: 18px; background: rgba(30,82,67,.18); }
.callout strong { display: block; margin-bottom: 6px; font-size: 21px; }
.callout p { margin: 0; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 18px; border-radius: 11px; background: var(--blue-2); color: white; text-decoration: none; font-weight: 750; white-space: nowrap; }
.button:hover { color: white; background: #4d89f2; }
.legal { width: min(calc(100% - 40px), 860px); margin: 0 auto; padding: 76px 0 100px; }
.legal h1 { font-size: clamp(38px, 6vw, 62px); }
.legal h2 { margin-top: 52px; font-size: 27px; }
.legal h3 { margin-top: 30px; font-size: 19px; }
.legal li { margin-bottom: 10px; color: var(--muted); }
.legal table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.legal th, .legal td { padding: 14px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.legal th { background: var(--panel-2); color: var(--text); }
.legal td { color: var(--muted); }
.meta { display: flex; flex-wrap: wrap; gap: 10px 22px; padding: 18px 0 30px; color: var(--muted); font-size: 14px; }
.notice { margin: 30px 0; padding: 20px 22px; border-left: 3px solid var(--blue); background: var(--panel); }
.notice p:last-child { margin-bottom: 0; }
.site-footer { border-top: 1px solid rgba(255,255,255,.08); padding: 36px 0 48px; }
.footer-row { display: flex; justify-content: space-between; gap: 24px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-row p, .footer-links a { margin: 0; font-size: 13px; }
.contact-placeholder { color: #ffd37a; font-weight: 800; }

@media (max-width: 760px) {
  .nav { align-items: flex-start; flex-direction: column; padding: 18px 0; }
  .nav-links { width: 100%; justify-content: space-between; gap: 12px; }
  .hero { padding-top: 70px; }
  .grid, .grid.two { grid-template-columns: 1fr; }
  .callout { grid-template-columns: 1fr; }
  .footer-row { flex-direction: column; }
}

@media print {
  body { background: white; color: #111; font-size: 11pt; }
  .site-header, .site-footer { display: none; }
  .legal { width: 100%; padding: 0; }
  .legal p, .legal li, .legal td, .meta { color: #333; }
  a { color: #111; overflow-wrap: anywhere; }
  .notice { border: 1px solid #aaa; background: #f5f5f5; }
}