:root {
  color-scheme: dark light;
  --bg: #071018;
  --surface: #101d29;
  --text: #f8fafc;
  --muted: #aeb9c5;
  --accent: #19cfbb;
  --link: #67a4ff;
  --warning: #f59e0b;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}
a { color: var(--link); }
header, main, footer { width: min(960px, calc(100% - 32px)); margin: auto; }
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}
nav { display: flex; gap: 18px; flex-wrap: wrap; }
nav a { color: var(--text); text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }
.hero { padding: 84px 0 64px; }
.eyebrow { color: var(--accent); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
h1 { font-size: clamp(2.6rem, 8vw, 5.8rem); line-height: .98; max-width: 850px; margin: 18px 0; }
h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); margin-top: 48px; }
p, li { font-size: 1.05rem; }
.lead { color: var(--muted); max-width: 720px; font-size: 1.25rem; }
.cta {
  display: inline-flex;
  align-items: center;
  min-height: 52px;
  margin-top: 20px;
  padding: 0 22px;
  border-radius: 14px;
  background: var(--accent);
  color: #04120f;
  font-weight: 750;
  text-decoration: none;
}
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: var(--surface); border: 1px solid #294052; border-radius: 20px; padding: 22px; }
.card strong { display: block; font-size: 1.15rem; margin-bottom: 8px; }
.notice { border-left: 4px solid var(--warning); padding-left: 16px; color: var(--muted); }
footer { border-top: 1px solid #294052; margin-top: 72px; padding: 28px 0 48px; color: var(--muted); }
@media (max-width: 980px) {
  .grid { grid-template-columns: 1fr; }
  header { align-items: flex-start; flex-direction: column; padding: 12px 0; }
  .hero { padding-top: 52px; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}