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

:root {
  --color-bg: #0f0f13;
  --color-text: #e4e4e7;
  --color-text-muted: #71717a;
  --color-primary: #3b82f6;
  --color-primary-light: #60a5fa;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html, body {
  height: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

.hero {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.container {
  text-align: center;
  max-width: 700px;
}

.logo {
  height: 48px;
  width: auto;
  margin-bottom: 3rem;
  filter: invert(1) brightness(1.2);
}

.tagline {
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 3rem;
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  padding: 1rem 2.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  transition: background 0.2s, transform 0.2s;
}

.cta:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
}

.footer {
  padding: 1.5rem;
  text-align: center;
}

.footer p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

@media (prefers-reduced-motion: reduce) {
  .cta {
    transition: none;
  }
}