:root {
  --bg-dark: #0f1114;
  --bg-section: #161921;
  --fg: #e8e9ed;
  --fg-muted: #9499a8;
  --accent: #e8842c;
  --border: rgba(255, 255, 255, 0.06);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg-dark);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.error-card {
  text-align: center;
}

.error-code {
  font-family: var(--font-display);
  font-size: 8rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 16px;
}

.error-card h1 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--fg-muted);
  margin-bottom: 32px;
}

.btn-home {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 12px 24px;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.2s;
}

.btn-home:hover { background: var(--accent-bright); }