:root {
  color-scheme: dark;
  --ink: #0b1020;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.1);
  --line: rgba(255, 255, 255, 0.14);
  --text: #f8fafc;
  --muted: #cbd5e1;
  --subtle: #94a3b8;
  --cyan: #67e8f9;
  --mint: #86efac;
  --amber: #fbbf24;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 0%, rgba(103, 232, 249, 0.16), transparent 34rem),
    radial-gradient(circle at 85% 10%, rgba(134, 239, 172, 0.12), transparent 28rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0, transparent 18rem),
    var(--ink);
  color: var(--text);
  font-family: "Space Grotesk", "Avenir Next", "Segoe UI Variable", system-ui, sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

.skip-link {
  left: 1rem;
  position: absolute;
  top: -10rem;
}

.skip-link:focus {
  top: 1rem;
}

.page {
  margin: 0 auto;
  max-width: 980px;
  padding: 32px 20px 72px;
}

.topbar,
.footer {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 16px;
  justify-content: space-between;
  padding: 0 0 20px;
}

.footer {
  border-bottom: 0;
  border-top: 1px solid var(--line);
  color: var(--subtle);
  margin-top: 56px;
  padding: 24px 0 0;
}

.brand {
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-decoration: none;
  text-transform: uppercase;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
}

.links a {
  color: var(--muted);
  font-size: 0.92rem;
  text-decoration: none;
}

.links a:hover {
  color: var(--text);
}

.hero {
  padding: 56px 0 28px;
}

.eyebrow {
  color: var(--mint);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  margin: 0 0 14px;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.12;
  margin: 0;
}

h1 {
  font-size: clamp(2.4rem, 8vw, 4.9rem);
  max-width: 860px;
}

h2 {
  font-size: clamp(1.55rem, 4vw, 2.35rem);
  margin-top: 34px;
}

h3 {
  font-size: 1.1rem;
  margin-top: 0;
}

p {
  color: var(--muted);
  margin: 14px 0 0;
}

.lede {
  color: #e2e8f0;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  max-width: 740px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: inline-flex;
  font-size: 0.9rem;
  font-weight: 800;
  justify-content: center;
  letter-spacing: 0.12em;
  min-height: 44px;
  padding: 12px 16px;
  text-decoration: none;
  text-transform: uppercase;
}

.button.primary {
  background: var(--mint);
  border-color: transparent;
  color: #06120a;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 18px;
}

.card,
.notice {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.card strong,
.notice strong {
  color: var(--text);
}

.notice {
  border-color: rgba(251, 191, 36, 0.45);
}

.list {
  color: var(--muted);
  margin: 16px 0 0;
  padding-left: 1.2rem;
}

.list li + li {
  margin-top: 8px;
}

.meta {
  color: var(--subtle);
  font-size: 0.92rem;
}

@media (max-width: 720px) {
  .topbar,
  .footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .links {
    justify-content: flex-start;
  }

  .hero {
    padding-top: 40px;
  }
}