:root {
  color-scheme: dark;
  --bg: #07101d;
  --surface: #0d192a;
  --surface-soft: #132238;
  --text: #f5f7fb;
  --muted: #aab6c8;
  --accent: #f5b942;
  --accent-soft: rgba(245, 185, 66, 0.13);
  --border: rgba(255,255,255,0.10);
  --max: 960px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(245,185,66,.10), transparent 32rem),
    var(--bg);
  color: var(--text);
  line-height: 1.7;
}
a { color: var(--accent); }
.site-header {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
}
.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--accent);
  color: #07101d;
  font-size: 24px;
  font-weight: 950;
}
.brand strong, .brand small { display: block; }
.brand strong { letter-spacing: .08em; }
.brand small { color: var(--muted); font-size: 11px; }
nav { display: flex; gap: 18px; }
nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 750;
}
nav a:hover { color: var(--accent); }
main {
  width: min(var(--max), calc(100% - 32px));
  margin: 16px auto 48px;
}
.content-card {
  padding: clamp(22px, 5vw, 54px);
  border: 1px solid var(--border);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(19,34,56,.95), rgba(13,25,42,.96));
  box-shadow: 0 24px 80px rgba(0,0,0,.26);
}
h1 {
  margin: 0 0 12px;
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.08;
  letter-spacing: -.035em;
}
h2 {
  margin: 38px 0 10px;
  font-size: clamp(19px, 3vw, 26px);
  color: var(--accent);
  line-height: 1.25;
}
p { color: var(--muted); margin: 9px 0; }
ul { padding-left: 22px; color: var(--muted); }
li { margin: 7px 0; }
.updated {
  display: inline-block;
  padding: 7px 11px;
  border: 1px solid rgba(245,185,66,.35);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 750;
  font-size: 13px;
}
.hero {
  min-height: 480px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero p { max-width: 720px; font-size: 18px; }
.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .12em;
}
.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.primary-button, .secondary-button {
  display: inline-flex;
  padding: 13px 18px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 850;
}
.primary-button { background: var(--accent); color: #07101d; }
.secondary-button { border: 1px solid var(--border); color: var(--text); }
.notice {
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
footer {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 0 0 32px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 12px;
}
@media (max-width: 650px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  nav { width: 100%; justify-content: space-between; }
  .brand small { max-width: 230px; }
  .content-card { border-radius: 20px; }
  footer { flex-direction: column; }
}