:root {
  --bg: #0D1117;
  --surface: #161B22;
  --primary: #1B2A4A;
  --text: #E6EDF3;
  --muted: #8B949E;
  --accent: #3B82F6;
}

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

html, body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  background-color: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.landing {
  text-align: center;
  padding: 2rem;
}

.logo {
  max-width: 480px;
  width: 100%;
  margin: 0 auto 0.75rem;
  color: var(--text);
}

.logo svg {
  display: block;
  width: 100%;
  height: auto;
}

.tagline {
  font-size: 1.1rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 400;
}

.description {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--muted);
  font-size: 0.8rem;
}

@media (max-width: 480px) {
  .logo {
    max-width: 320px;
  }

  .tagline {
    font-size: 0.9rem;
  }
}