:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: rgba(15, 29, 49, 0.86);
  --text: #edf5ff;
  --muted: #a9b9cd;
  --accent: #78e4c6;
  --line: rgba(255, 255, 255, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, rgba(46, 171, 151, 0.22), transparent 35rem),
    radial-gradient(circle at 90% 80%, rgba(55, 95, 210, 0.2), transparent 32rem),
    var(--bg);
  line-height: 1.72;
}

a { color: var(--accent); }

.shell {
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
  padding: 88px 0 48px;
}

.hero { padding: 30px 0 44px; }
.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.22em;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(2.5rem, 8vw, 5.6rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.lead {
  max-width: 720px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.32rem);
}

.card {
  padding: clamp(24px, 5vw, 48px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(14px);
}

.card h2 { margin: 2.2rem 0 0.6rem; font-size: 1.12rem; }
.card h2:first-child { margin-top: 0; }
.card p { margin: 0; color: var(--muted); }

.links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.links a {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.9rem;
}

.policy { padding-top: 54px; }
.policy h1 { font-size: clamp(2.4rem, 7vw, 4.6rem); }
.back { display: inline-block; margin-bottom: 52px; text-decoration: none; }
.updated { margin: 18px 0 36px; color: var(--muted); }

@media (max-width: 600px) {
  .shell { width: min(100% - 28px, 920px); padding-top: 52px; }
  footer { flex-direction: column; }
}