:root {
  --night: #14123a; --sun: #ffc23c; --coral: #ff6b5a; --mint: #00e0a4;
  --bg: #f5f6fa; --card: #ffffff; --ink: #1b1d2a; --muted: #5b5f73; --line: #e3e5ee;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f0e26; --card: #1a1840; --ink: #f1f2fb; --muted: #b6b8cc; --line: #2c2a5a; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
header { background: var(--night); color: #fff; padding: 22px 16px; }
header .wrap { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.logo { font-weight: 900; font-size: 26px; letter-spacing: .5px; text-decoration: none; color: #fff; }
.logo span { background: var(--sun); color: var(--night); padding: 2px 10px; border-radius: 8px; margin-left: 4px; box-shadow: 3px 3px 0 var(--coral); display: inline-block; transform: rotate(-3deg); }
nav { display: flex; gap: 14px; flex-wrap: wrap; margin-left: auto; }
nav a { color: #fff; opacity: .85; text-decoration: none; font-size: 15px; }
nav a:hover { opacity: 1; text-decoration: underline; }
.wrap { max-width: 860px; margin: 0 auto; }
main { padding: 28px 16px 64px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 24px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 6px; }
h2 { font-size: 20px; margin: 30px 0 8px; }
h3 { font-size: 17px; margin: 20px 0 6px; }
p, li { color: var(--ink); }
.muted { color: var(--muted); font-size: 14px; }
table { width: 100%; border-collapse: collapse; margin: 10px 0; font-size: 15px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
a { color: #4a4de0; }
@media (prefers-color-scheme: dark) { a { color: #9ea0ff; } }
.hero { text-align: center; padding: 30px 0 10px; }
.hero h1 { font-size: 36px; }
.pill { display: inline-block; background: var(--mint); color: var(--night); border-radius: 999px; padding: 4px 12px; font-weight: 700; font-size: 14px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-top: 20px; }
footer { text-align: center; padding: 24px 16px; color: var(--muted); font-size: 14px; }
@media (max-width: 520px) { h1 { font-size: 25px; } .hero h1 { font-size: 28px; } .card { padding: 18px; } }