:root {
  color-scheme: dark;
  --bg: #0d1110;
  --surface: #151b18;
  --surface-2: #1b2420;
  --text: #f4f7f1;
  --muted: #a9b5aa;
  --accent: #b7ed64;
  --accent-ink: #13200f;
  --line: rgba(183, 237, 100, 0.22);
  --max: 860px;
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  margin: 0;
  background:
    radial-gradient(circle at 85% 0%, rgba(183, 237, 100, 0.14), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  line-height: 1.65;
}

a { color: var(--accent); }

.shell {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

header {
  padding: 52px 0 34px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.mark {
  display: inline-grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 9px;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 15px;
  font-weight: 900;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 24px;
}

nav a { font-size: 0.95rem; }

main { padding: 52px 0 72px; }

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1, h2, h3 { line-height: 1.2; }
h1 { max-width: 720px; margin: 0; font-size: clamp(2.25rem, 7vw, 4.25rem); letter-spacing: -0.045em; }
h2 { margin: 52px 0 16px; font-size: clamp(1.45rem, 4vw, 2rem); }
h3 { margin: 28px 0 8px; font-size: 1.08rem; }
p, li { color: var(--muted); }

.lede { max-width: 690px; margin: 22px 0 0; font-size: 1.15rem; }
.updated { margin-top: 18px; color: var(--muted); font-size: 0.9rem; }

.card {
  margin-top: 34px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(21, 27, 24, 0.82);
}

ul { padding-left: 1.25rem; }
li + li { margin-top: 8px; }

.contact {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 750;
  text-decoration: none;
}

footer {
  padding: 24px 0 52px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

@media (max-width: 560px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  header { padding-top: 30px; }
  main { padding-top: 36px; }
  .card { padding: 20px; border-radius: 20px; }
}