html, body {
  height: 100%;
  margin: 0;
  display: flex;
  flex-direction: column;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: #0e0e0e;
  color: #eaeaea;
}

.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.site-footer {
  background:
    radial-gradient(1200px 400px at 50% -200px, rgba(255,255,255,0.20), transparent 60%),
    linear-gradient(180deg, rgba(0,0,0,0.85), rgba(0,0,0,0.95));
  color: #eaeaea;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 36px;
  text-align: center;
}

.footer-line {
  margin: 0;
  font-size: 0.98rem;
  letter-spacing: 0.2px;
}

.footer-sub {
  margin: 6px 0 0;
  font-size: 0.9rem;
  opacity: 0.85;
}

.site-footer strong {
  font-weight: 600;
}

.site-footer::before {
  content: "";
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
}

@media (prefers-color-scheme: light) {
  body {
    background: #fafafa;
    color: #2a2a2a;
  }

  .site-footer {
    background:
      radial-gradient(1200px 400px at 50% -200px, rgba(0,0,0,0.06), transparent 60%),
      linear-gradient(180deg, #fafafa, #f5f5f5);
    color: #2a2a2a;
  }

  .site-footer::before {
    background: linear-gradient(90deg, transparent, rgba(0,0,0,0.25), transparent);
  }
}