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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #333;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

header {
  background: #1a1a2e;
  color: #fff;
  padding: 3rem 0;
  text-align: center;
}

header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

header h1 a {
  color: inherit;
  text-decoration: none;
}

header .tagline {
  margin-top: 0.5rem;
  font-size: 1.05rem;
  opacity: 0.85;
}

main {
  flex: 1;
  padding: 3rem 0;
}

section {
  margin-bottom: 2.5rem;
}

h2 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
  color: #1a1a2e;
}

h3 {
  font-size: 1.1rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: #1a1a2e;
}

p {
  margin-bottom: 1rem;
}

a {
  color: #2a5db0;
}

footer {
  background: #f5f5f5;
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.9rem;
  color: #666;
}

footer a {
  color: #555;
}