:root {
  --bg: #0a1614;
  --surface: rgba(30, 43, 40, 0.72);
  --border: rgba(125, 211, 252, 0.14);
  --t1: #eef4f1;
  --t2: #a8b8b2;
  --t3: #6d8078;
  --ac: #7dd3fc;
  --ok: #4fae8c;
  --warn: #e8a87c;
  --font-display: "Outfit", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--t1);
  background:
    radial-gradient(900px 420px at 10% -10%, rgba(125, 211, 252, 0.12), transparent 60%),
    var(--bg);
  font-family: var(--font-body);
  line-height: 1.6;
}
a { color: inherit; }
.wrap { width: min(980px, calc(100% - 40px)); margin: 0 auto; }
header, footer { border-bottom: 1px solid var(--border); }
footer { border-bottom: 0; border-top: 1px solid var(--border); }
.bar, footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  min-height: 72px;
}
.brand { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.04em; text-decoration: none; }
.kicker {
  margin: 0 0 8px;
  color: var(--ac);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
}
h1, h2 { font-family: var(--font-display); line-height: 1.15; margin: 0; }
h1 { font-size: clamp(36px, 6vw, 64px); letter-spacing: -0.03em; }
h2 { font-size: 22px; }
.lead { max-width: 62ch; color: var(--t2); font-size: 18px; }
.hero { padding: 64px 0 28px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 28px 0; }
.card, .panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
}
.card p, .panel p { color: var(--t2); }
.tag {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--ok);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
}
.btn {
  display: inline-flex;
  margin-top: 8px;
  padding: 12px 16px;
  border-radius: 999px;
  background: var(--ac);
  color: #06202b;
  font-weight: 700;
  text-decoration: none;
}
.btn.secondary { background: transparent; color: var(--t1); border: 1px solid var(--border); }
.steps { margin: 0; padding-left: 18px; color: var(--t2); }
.steps li + li { margin-top: 8px; }
code, .hash {
  font-family: var(--font-mono);
  font-size: 12px;
  word-break: break-all;
}
.hash { color: var(--t3); margin: 6px 0 0; }
footer { color: var(--t3); padding: 8px 0 24px; }
footer a { color: var(--ac); }
@media (max-width: 760px) {
  .grid, .bar, footer .wrap { grid-template-columns: 1fr; display: grid; }
}