:root {
  --bg: #0f1210;
  --fg: #e8ebe6;
  --accent: #c4d4a8;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, #1a2420 0%, transparent 55%),
    radial-gradient(ellipse 70% 50% at 90% 90%, #162018 0%, transparent 50%),
    var(--bg);
  color: var(--fg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
main { max-width: 36rem; text-align: left; }
.brand {
  font-size: 0.85rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
h1 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 1.25rem;
}
a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(196, 212, 168, 0.35);
}
a:hover { border-bottom-color: var(--accent); }