:root {
  color-scheme: dark;
  --bg: #0b1118;
  --panel: #111a24;
  --text: #f4f7fa;
  --muted: #9aa8b6;
  --accent: #2db7b0;
  --border: #22303d;
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

main {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
  padding: 96px 0 64px;
}

.hero { padding: 72px 0; }

.kicker {
  color: var(--accent);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1 {
  margin: .2rem 0 .6rem;
  font-size: clamp(3rem, 10vw, 6.5rem);
  line-height: .95;
  letter-spacing: -.05em;
}

h2 { margin-top: 2.4rem; line-height: 1.2; }

p, li { color: var(--muted); }

.lead {
  max-width: 620px;
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
}

a { color: var(--text); text-underline-offset: 3px; }
a:hover { color: var(--accent); }

.card {
  margin-top: 36px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel);
}

footer {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0 48px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .9rem;
}

footer a { margin-right: 18px; }