:root {
  --accent: #0C9CDB;
  --accent-2: #38BDF8;
  --ink: #101015;
  --ink-2: #475569;
  --bg: #f6f8fb;
  --card: #ffffff;
  --border: #e3e8ef;
  --maxw: 760px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 17px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--accent); }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
header.site {
  background: linear-gradient(135deg, #0b1220, #0e1117);
  color: #fff;
  padding: 26px 0;
}
header.site .wrap { display: flex; align-items: center; gap: 14px; }
.logo {
  width: 42px; height: 42px; flex: 0 0 auto;
  border-radius: 11px;
  background: radial-gradient(120% 120% at 30% 20%, #11131a, #07080b);
  display: grid; place-items: center;
}
.brand b { font-size: 19px; font-weight: 700; letter-spacing: .2px; }
.brand span { display: block; font-size: 13px; color: #9fb6c6; }
main { padding: 40px 0 64px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 6px; letter-spacing: -.3px; }
.updated { color: var(--ink-2); font-size: 14px; margin: 0 0 28px; }
h2 { font-size: 20px; margin: 34px 0 10px; letter-spacing: -.2px; }
p, li { color: #1f2733; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 22px 24px; margin: 18px 0;
}
ul { padding-left: 22px; }
li { margin: 6px 0; }
.hero-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 24px; }
.hero-cards a {
  display: block; text-decoration: none; color: var(--ink);
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 20px 22px; transition: border-color .15s, transform .15s;
}
.hero-cards a:hover { border-color: var(--accent-2); transform: translateY(-2px); }
.hero-cards b { font-size: 17px; }
.hero-cards span { display: block; color: var(--ink-2); font-size: 14px; margin-top: 4px; }
footer.site { border-top: 1px solid var(--border); padding: 26px 0; color: var(--ink-2); font-size: 14px; }
footer.site a { color: var(--ink-2); }
.nav a { color: var(--accent); text-decoration: none; font-size: 14px; margin-right: 16px; }
@media (max-width: 560px) { .hero-cards { grid-template-columns: 1fr; } h1 { font-size: 25px; } }