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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #1a1a1a;
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  background: #0b1f33;
  color: #fff;
  padding: 20px 0;
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  letter-spacing: 0.02em;
}

.site-header nav a {
  color: #fff;
  text-decoration: none;
  margin-left: 24px;
  font-size: 0.95rem;
}

.site-header nav a:hover {
  text-decoration: underline;
}

.hero {
  background: #f4f6f8;
  padding: 100px 0;
  text-align: center;
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.hero p {
  font-size: 1.1rem;
  color: #444;
}

.about,
.contact {
  padding: 64px 0;
}

.about h2,
.contact h2 {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.site-footer {
  background: #0b1f33;
  color: #cfd8e3;
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
}