:root {
  --bg: #0b0b0d;
  --fg: #f4f4f5;
  --muted: #a1a1aa;
  --border: rgba(255, 255, 255, 0.18);
}

* { box-sizing: border-box; }

html, body { height: 100%; margin: 0; }

body {
  background:
    radial-gradient(ellipse at 50% 0%, #1a1a20 0%, var(--bg) 60%);
  background-color: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  padding: 2rem 1rem;
}

.logo {
  width: min(160px, 70vw);
  height: auto;
}

.social {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.social a {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.25rem;
  color: var(--fg);
  text-decoration: none;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

.social a:hover,
.social a:focus-visible {
  background: var(--fg);
  color: var(--bg);
  transform: translateY(-2px);
  outline: none;
}

.social svg { width: 1.25rem; height: 1.25rem; }