:root {
  --blue-dark: #124261;
  --blue: #23709e;
  --blue-light: #6db3d1;
  --accent: #e8a83e;
  --text: #1c2b33;
  --bg: #f5fafc;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  background: var(--blue-dark);
  color: #fff;
  padding: 16px 0;
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.brand {
  color: #fff;
  font-weight: 700;
  font-size: 1.3rem;
  text-decoration: none;
}

.site-header nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
}

.site-header nav a {
  color: var(--blue-light);
  text-decoration: none;
  font-weight: 600;
}

.site-header nav a:hover {
  color: #fff;
}

main {
  padding: 40px 20px;
  min-height: 60vh;
}

main img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
  margin: 20px 0;
}

h1 {
  color: var(--blue-dark);
}

h2 {
  color: var(--blue);
}

a {
  color: var(--blue);
}

.site-footer {
  background: var(--blue-dark);
  color: #cfe4ee;
  padding: 20px 0;
  text-align: center;
}

.site-footer a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}