:root {
  --bg: #060b12;
  --navy: #13253a;
  --orange: #fd6805;
  --text: #f5f7fa;
  --muted: #93a0af;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 32rem;
  animation: fade-in-up 0.6s ease-out both;
}

.logo {
  width: 20rem;
  height: 20rem;
  margin-bottom: 1.5rem;
}

.wordmark {
  margin: 0 0 2rem;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
}

.headline {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
}

.tagline {
  margin: 0 0 2.5rem;
  font-size: 1.1rem;
  color: var(--muted);
}

.github-link {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  border: 1px solid var(--navy);
  border-radius: 0.4rem;
  padding: 0.6rem 1.5rem;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.github-link:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.github-link:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(0.75rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero {
    animation: none;
  }
}