:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  background: #07090d;
  color: #f5f7fa;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 20% 0%, #17233c 0, transparent 38%), #07090d; }
a { color: inherit; }
nav, main, footer { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
nav { height: 72px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #ffffff18; }
.brand { font-weight: 760; letter-spacing: -.03em; text-decoration: none; }
.brand span { color: #70a7ff; }
.links { display: flex; gap: 22px; align-items: center; }
.links a { color: #aeb8c8; text-decoration: none; font-size: 14px; }
.button { display: inline-flex; padding: 12px 18px; border-radius: 10px; background: #f5f7fa; color: #090b10 !important; font-weight: 700; text-decoration: none; }
.button.secondary { color: #f5f7fa !important; background: #ffffff0d; border: 1px solid #ffffff1f; }
.hero { padding: 108px 0 88px; max-width: 840px; }
.eyebrow { color: #78aaff; text-transform: uppercase; letter-spacing: .14em; font-size: 12px; font-weight: 750; }
h1 { margin: 18px 0; font-size: clamp(48px, 8vw, 88px); line-height: .98; letter-spacing: -.065em; }
h2 { font-size: clamp(30px, 4vw, 48px); letter-spacing: -.04em; }
p { color: #aeb8c8; font-size: 18px; line-height: 1.7; }
.actions { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding-bottom: 90px; }
.card { padding: 24px; border: 1px solid #ffffff18; border-radius: 16px; background: #ffffff08; }
.card h3 { margin-top: 0; }
.card p { font-size: 15px; margin-bottom: 0; }
.content { max-width: 780px; padding: 72px 0 100px; }
.content code { background: #ffffff12; padding: 2px 6px; border-radius: 5px; }
.notice { border-left: 3px solid #78aaff; padding: 14px 18px; background: #78aaff12; }
footer { padding: 28px 0 40px; border-top: 1px solid #ffffff18; color: #788398; font-size: 13px; }
@media (max-width: 720px) { .links a:not(.button) { display: none; } .grid { grid-template-columns: 1fr; } .hero { padding-top: 72px; } }