:root {
  --bg: #0b0d10;
  --panel: #13161b;
  --ink: #e6e8ea;
  --muted: #8a93a0;
  --accent: #25d366;
  --border: #1f242c;
  --max: 52rem;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.55;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3rem 1.25rem 5rem;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 1.25rem;
  max-width: var(--max);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
}

.brand-mark {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 8px;
  background: var(--accent);
  display: grid;
  place-items: center;
  color: #0b0d10;
  font-weight: 800;
}

.nav-links { display: flex; gap: 1.25rem; font-size: 0.95rem; }
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--ink); text-decoration: none; }

h1 {
  font-size: 2.75rem;
  line-height: 1.1;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}
h2 {
  font-size: 1.5rem;
  margin: 2.5rem 0 0.75rem;
  letter-spacing: -0.01em;
}
h3 {
  font-size: 1.1rem;
  margin: 1.75rem 0 0.5rem;
  color: var(--ink);
}

.lede {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 40rem;
  margin: 0 0 2rem;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.35rem;
  background: var(--accent);
  color: #0b0d10;
  font-weight: 700;
  border-radius: 999px;
  font-size: 1rem;
}
.cta:hover { text-decoration: none; filter: brightness(1.08); }

.cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.35rem;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 1rem;
  margin-left: 0.5rem;
}
.cta-secondary:hover { text-decoration: none; background: var(--panel); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.card {
  padding: 1.25rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.card h3 { margin-top: 0; }
.card p { margin: 0.5rem 0 0; color: var(--muted); font-size: 0.95rem; }

.legal {
  max-width: 44rem;
}
.legal h1 { font-size: 2rem; }
.legal p, .legal li { color: var(--ink); }
.legal ul { padding-left: 1.25rem; }
.legal li { margin: 0.35rem 0; }
.legal .meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 2rem;
}

.footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

code {
  background: var(--panel);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.92em;
  font-family: "SF Mono", Menlo, Consolas, monospace;
}

@media (max-width: 640px) {
  h1 { font-size: 2rem; }
  .lede { font-size: 1.05rem; }
  .cta-secondary { margin-left: 0; margin-top: 0.75rem; display: inline-flex; }
}