:root {
  color-scheme: dark;
  --bg: #090d12;
  --panel: #121820;
  --panel2: #18202a;
  --text: #f7f9fb;
  --muted: #a7b0bb;
  --accent: #65d2b8;
  --border: #26313d;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 80% 10%, rgba(101,210,184,.13), transparent 28rem),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
}
header, main, footer { width: min(920px, calc(100% - 40px)); margin: auto; }
header { padding: 48px 0 28px; display:flex; justify-content:space-between; align-items:center; gap:20px; }
.brand { font-weight: 800; font-size: 1.35rem; letter-spacing: -.02em; }
.brand span { color: var(--accent); }
nav a, footer a { color: var(--muted); text-decoration:none; margin-left:18px; }
nav a:hover, footer a:hover { color: var(--accent); }
.hero { padding: 70px 0 45px; }
.eyebrow { color: var(--accent); font-weight: 700; text-transform: uppercase; letter-spacing:.12em; font-size:.8rem; }
h1 { font-size: clamp(2.5rem, 7vw, 4.8rem); line-height: 1.02; letter-spacing:-.055em; margin:.3em 0 .25em; }
h2 { margin-top: 2.2rem; }
.lead { color: var(--muted); font-size:1.15rem; max-width:700px; }
.card { background:linear-gradient(145deg,var(--panel),var(--panel2)); border:1px solid var(--border); border-radius:24px; padding:28px; margin:22px 0; }
.card p:last-child { margin-bottom:0; }
.button { display:inline-block; background:var(--accent); color:#06100d; font-weight:800; padding:13px 20px; border-radius:14px; text-decoration:none; margin-top:8px; }
a { color: var(--accent); }
ul { padding-left: 1.25rem; }
footer { border-top:1px solid var(--border); margin-top:70px; padding:30px 0 50px; color:var(--muted); font-size:.9rem; }
footer a:first-of-type { margin-left:0; }
@media(max-width:650px){ header{align-items:flex-start; flex-direction:column;} nav a{margin:0 18px 0 0;} .hero{padding-top:45px;} }