:root {
  color-scheme: light dark;
  --bg: #080b10;
  --panel: rgba(18, 23, 32, 0.9);
  --panel-strong: rgba(25, 32, 44, 0.94);
  --text: #f4f7fb;
  --muted: #aab5c4;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #e8b45a;
  --accent-2: #43d9b8;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  line-height: 1.65;
  background:
    radial-gradient(circle at 18% 0%, rgba(232, 180, 90, 0.22), transparent 30rem),
    radial-gradient(circle at 82% 12%, rgba(67, 217, 184, 0.16), transparent 28rem),
    linear-gradient(180deg, #10151e 0%, #07090d 100%);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.shell {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.hero,
.card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

.hero {
  padding: 34px;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.02;
}

.subtitle {
  max-width: 720px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 0;
}

nav a,
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.card {
  padding: 24px;
}

.card h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.card h3 {
  margin: 22px 0 8px;
  font-size: 17px;
}

.card p,
.card li {
  color: var(--muted);
}

.card ul,
.card ol {
  padding-left: 22px;
}

.notice {
  border-color: rgba(232, 180, 90, 0.35);
  background: linear-gradient(135deg, rgba(232, 180, 90, 0.16), rgba(67, 217, 184, 0.08));
}

.footer {
  margin-top: 22px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 24px, 960px);
    padding-top: 18px;
  }

  .hero,
  .card {
    border-radius: 14px;
    padding: 20px;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f8fb;
    --panel: rgba(255, 255, 255, 0.9);
    --panel-strong: #ffffff;
    --text: #101622;
    --muted: #526074;
    --line: rgba(16, 22, 34, 0.12);
    --accent: #a96b19;
    --accent-2: #087c65;
  }

  body {
    background:
      radial-gradient(circle at 18% 0%, rgba(232, 180, 90, 0.22), transparent 30rem),
      radial-gradient(circle at 82% 12%, rgba(67, 217, 184, 0.14), transparent 28rem),
      linear-gradient(180deg, #f8fbff 0%, #edf2f7 100%);
  }

  nav a,
  .pill {
    background: rgba(16, 22, 34, 0.04);
  }
}