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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #222;
  background: #f9f9f9;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

header {
  background: #1a1a2e;
  color: #fff;
  padding: 3rem 0 2.5rem;
  text-align: center;
}

header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.tagline {
  margin-top: 0.5rem;
  color: #aab4c8;
  font-size: 1.05rem;
}

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

section {
  margin-bottom: 2.5rem;
}

h2 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #1a1a2e;
  border-bottom: 2px solid #e0e0e0;
  padding-bottom: 0.4rem;
}

p {
  margin-bottom: 0.6rem;
  color: #444;
}

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  background: #1a1a2e;
  color: #aab4c8;
  text-align: center;
  padding: 1.5rem 0;
  font-size: 0.9rem;
}

footer a {
  color: #aab4c8;
}

footer p + p {
  margin-top: 0.3rem;
}