:root {
  --ground: #FFFFFF; --raised: #F1F2F4; --ink: #141619; --ink-2: #50565E; --ink-3: #6B7179; --rule: #E3E5E8;
  --plate-red: #CC3329; --plate-blue: #2357C9; --plate-yellow: #F0BE2C; --plate-green: #187F47; --link: #2357C9;
}
@media (prefers-color-scheme: dark) {
  :root { --ground: #0E0F11; --raised: #1C1E21; --ink: #F3F4F5; --ink-2: #B4BAC1; --ink-3: #8F959D; --rule: #26292D; --link: #86A8F2; }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--ground); color: var(--ink);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
}
main { max-width: 680px; margin: 0 auto; padding: 32px 20px 64px; }
header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 40px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 800; font-size: 22px; letter-spacing: -0.02em; }
.plates { display: flex; align-items: center; gap: 2px; }
.plates i { display: block; width: 6px; border-radius: 2px; }
.plates i:nth-child(1) { height: 26px; background: var(--plate-red); }
.plates i:nth-child(2) { height: 22px; background: var(--plate-blue); }
.plates i:nth-child(3) { height: 18px; background: var(--plate-yellow); }
.plates i:nth-child(4) { height: 14px; background: var(--plate-green); }
nav a { color: var(--ink-2); text-decoration: none; font-size: 15px; margin-left: 14px; }
nav a:hover, a:hover { text-decoration: underline; }
h1 { font-size: 40px; line-height: 1.1; letter-spacing: -0.03em; margin: 0 0 8px; font-weight: 900; }
h2 { font-size: 21px; margin: 36px 0 8px; letter-spacing: -0.01em; }
p, li { color: var(--ink-2); }
strong { color: var(--ink); }
a { color: var(--link); }
.lead { font-size: 20px; color: var(--ink); }
.meta { color: var(--ink-3); font-size: 14px; }
.box { background: var(--raised); border-radius: 14px; padding: 18px 20px; margin: 24px 0; }
.box p { margin: 0; color: var(--ink); }
ul { padding-left: 20px; }
footer { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--rule); font-size: 14px; color: var(--ink-3); }
footer a { color: var(--ink-3); margin-right: 14px; }
@media (max-width: 480px) { h1 { font-size: 32px; } header { flex-wrap: wrap; } nav a { margin: 0 14px 0 0; } }