:root {
  --color-bg: #111827;
  --color-surface: #1f2937;
  --color-text: #e5e7eb;
  --color-text-muted: #9ca3af;
  --color-accent: #7cb9e8;
  --color-accent-hover: #fcd34d;
  --color-border: #374151;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  text-align: center;
  padding: 2rem;
  max-width: 480px;
}

h1 {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  color: var(--color-text);
}

h1 span {
  color: var(--color-accent);
}

p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent-hover);
}

.divider {
  width: 40px;
  height: 1px;
  background: var(--color-border);
  margin: 1.5rem auto;
}