:root {
  color-scheme: dark;
  --ink: #eef5ef;
  --muted: #b5c6b8;
  --accent: #3e8b61;
  --surface: rgba(20, 39, 29, .86);
}

* { box-sizing: border-box; }

body {
  align-items: center;
  background: radial-gradient(circle at top right, #24563a, #0b1710 58%);
  color: var(--ink);
  display: flex;
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif;
  justify-content: center;
  margin: 0;
  min-height: 100vh;
  padding: 32px 18px;
}

main {
  background: var(--surface);
  border: 1px solid rgba(181, 225, 192, .2);
  border-radius: 24px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, .35);
  max-width: 760px;
  padding: clamp(28px, 6vw, 60px);
  width: 100%;
}

.eyebrow { color: #8ed1a4; font-weight: 700; letter-spacing: .08em; margin: 0; text-transform: uppercase; }
h1 { font-size: clamp(2.1rem, 6vw, 3.4rem); line-height: 1.1; margin: .25rem 0 1.5rem; }
h2 { font-size: 1.2rem; margin: 2rem 0 .25rem; }
.lead { font-size: 1.18rem; }
a { color: #9ee7b6; }
nav { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 2rem; }
nav a { background: rgba(80, 155, 103, .22); border: 1px solid rgba(158, 231, 182, .3); border-radius: 999px; padding: .6rem 1rem; text-decoration: none; }
footer { bottom: 20px; color: var(--muted); font-size: .85rem; position: fixed; text-align: center; }
@media (max-width: 640px) { footer { position: static; margin-top: 16px; } body { display: block; } }