body { font-family: Arial, sans-serif; margin: 0; padding: 0; background: #fff; color: #333; }
header, footer { background: #004080; color: white; text-align: center; padding: 15px; }
nav a { color: white; margin: 0 10px; text-decoration: none; }
nav a:hover { text-decoration: underline; }
.container { width: 90%; max-width: 1200px; margin: auto; padding: 20px; }
img { max-width: 100%; height: auto; margin-bottom: 20px; transition: transform 0.3s ease; }
img:hover { transform: scale(1.05); }
section { margin-bottom: 30px; padding: 10px; border-bottom: 1px solid #ccc; }
h2 { color: #004080; margin-top: 20px; }
p { line-height: 1.6; }
.flex { display: flex; gap: 20px; align-items: center; }
.flex img { width: 50%; }
.flex .text { width: 50%; }
.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.three-column { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
button { background: #004080; color: white; border: none; padding: 10px 15px; cursor: pointer; transition: background 0.3s ease; }
button:hover { background: #0073e6; }
.tabs { display: flex; margin-bottom: 10px; }
.tab-button { flex: 1; padding: 10px; background: #eee; cursor: pointer; text-align: center; }
.tab-button.active { background: #004080; color: white; }
.tab-content { display: none; padding: 10px; border: 1px solid #ccc; }
.tab-content.active { display: block; }
@media (max-width: 768px) { nav { display: block; } nav a { display: block; margin: 5px 0; } .flex, .two-column, .three-column { display: block; } }