:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0d131c;
  color: #edf4ff;
}
* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(circle at top, #192637 0, #0d131c 42%); min-height: 100vh; }
main { width: min(820px, calc(100% - 32px)); margin: 0 auto; padding: 48px 0 72px; }
nav { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
nav a, .button { color: #eef7ff; text-decoration: none; border: 1px solid #39516d; border-radius: 10px; padding: 10px 14px; background: #162232; }
nav a:hover, .button:hover { border-color: #58a6ff; }
.card { background: rgba(20, 30, 44, .94); border: 1px solid #2d4057; border-radius: 18px; padding: clamp(22px, 5vw, 44px); box-shadow: 0 20px 60px rgba(0,0,0,.28); }
h1 { font-size: clamp(30px, 6vw, 46px); margin: 0 0 8px; }
h2 { margin-top: 32px; font-size: 21px; }
p, li { color: #cbd8e7; line-height: 1.65; }
strong { color: #f5f9ff; }
a { color: #70b7ff; }
.eyebrow { color: #70b7ff; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; font-size: 12px; }
.meta { color: #8fa2b8; margin-bottom: 30px; }
.button { display: inline-block; margin-top: 12px; background: #2878c8; border-color: #58a6ff; font-weight: 800; }
footer { color: #788ba1; text-align: center; margin-top: 28px; font-size: 13px; }
ul { padding-left: 22px; }