:root {
  --bg: #0a0c10;
  --bg-2: #12161d;
  --ink: #eef1f6;
  --muted: #9aa3b2;
  --line: rgba(180, 198, 220, 0.16);
  --accent: #8ec5ff;
  --accent-2: #c9a46a;
}
*,
*::before,
*::after { box-sizing: border-box; }
html { color-scheme: dark; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", "Avenir Next", Georgia, serif;
  background:
    radial-gradient(900px 500px at 10% -10%, #1a2433 0%, transparent 55%),
    var(--bg);
  color: var(--ink);
  line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 24px;
}
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 650;
  letter-spacing: 0.02em;
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.mark {
  width: 28px;
  height: 28px;
  display: block;
}
nav { display: flex; flex-wrap: wrap; gap: 16px; }
nav a { color: var(--muted); }
nav a:hover { color: var(--ink); }
.hero { padding: 72px 0 36px; }
.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.lede {
  max-width: 640px;
  font-size: 1.15rem;
  color: var(--muted);
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn {
  display: inline-block;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  text-decoration: none;
}
.btn:hover { text-decoration: none; border-color: var(--accent); }
.btn.primary { background: #1b2a3d; border-color: #2d4a6a; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  padding: 12px 0 48px;
}
.card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
}
.card h2, .card h3 { margin: 0 0 8px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); }
section.block { padding: 20px 0 48px; }
section.block h2 { margin: 0 0 12px; }
section.block p, section.block li { color: var(--muted); }
ol, ul { padding-left: 1.2rem; }
.page { padding: 48px 0 72px; max-width: 760px; }
.page h1 { margin: 0 0 12px; }
.muted { color: var(--muted); }
footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 48px;
  color: var(--muted);
  font-size: 0.95rem;
}
.foot-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}
.foot-links { display: flex; flex-wrap: wrap; gap: 14px; }
@media (max-width: 640px) {
  .top { flex-direction: column; align-items: flex-start; }
  .hero { padding-top: 40px; }
}