:root {
  color-scheme: dark;
  --bg: #0b141a;
  --panel: #111b21;
  --ink: #e9edef;
  --muted: #8696a0;
  --accent: #25d366;
  --line: #2a3942;
  --sky: #53bdeb;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, #132833 0%, var(--bg) 55%);
  color: var(--ink);
  line-height: 1.65;
}
a { color: var(--accent); }
main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.1rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
}
.nav a { text-decoration: none; }
.nav a:hover { text-decoration: underline; }
.card {
  background: color-mix(in srgb, var(--panel) 92%, #000);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.4rem 1.45rem 1.6rem;
}
h1 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.55rem, 4vw, 2rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
}
.meta {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 0.92rem;
}
.lead {
  font-size: 1.05rem;
  color: #d7dee3;
  margin: 0 0 1.25rem;
}
h2 {
  margin: 1.65rem 0 0.5rem;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
}
p, li { color: #d1d7db; }
ul { padding-left: 1.2rem; }
li + li { margin-top: 0.35rem; }
.cta {
  display: inline-flex;
  margin-top: 1.5rem;
  padding: 0.75rem 1.15rem;
  border-radius: 999px;
  background: var(--accent);
  color: #04140a;
  font-weight: 700;
  text-decoration: none;
}
.cta:hover { filter: brightness(1.05); }
.grid {
  display: grid;
  gap: 0.85rem;
  margin: 1rem 0 0;
}
@media (min-width: 640px) {
  .grid { grid-template-columns: 1fr 1fr; }
}
.tile {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  background: color-mix(in srgb, var(--bg) 55%, var(--panel));
}
.tile strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--ink);
}
.tile p { margin: 0; font-size: 0.92rem; }
footer.site-foot {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}
footer.site-foot a { margin-right: 0.85rem; }