/* Reset and base styles */
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body { 
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; 
        line-height: 1.6; 
        color: #333;
        background: #f8f9fa;
    }
    
    /* Header */
    header {
        background: #009999;<!--#0056b3;-->
        color: white;
        padding: 1rem 0;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }
    
    .header-container {
        max-width: 1200px;
        margin: 0 auto;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0 2rem;
    }
    
    .logo {
        font-size: 1.8rem;
        font-weight: bold;
        color: white;
    }
    
    /* Navigation */
    nav ul {
        display: flex;
        list-style: none;
    }
    
    nav ul li {
        margin-left: 2rem;
    }
    
    nav ul li a {
        color: white;
        text-decoration: none;
        padding: 0.5rem 1rem;
        border-radius: 4px;
        transition: background 0.3s;
    }
    
    nav ul li a:hover, nav ul li a.current {
        background: rgba(255,255,255,0.2);
    }
    
    /* Main content */
    .container {
        max-width: 1200px;
        margin: 2rem auto;
        padding: 0 2rem;
    }
    
    .content-box {
        background: white;
        padding: 2rem;
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        margin-bottom: 2rem;
    }
    
    h1, h2, h3 {
        color: #006666;<!--#0056b3;-->
        margin-bottom: 1rem;
    }
    
    h1 { font-size: 2.2rem; border-bottom: 2px solid #0056b3; padding-bottom: 0.5rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.4rem; color: #333; }
    
    p { margin-bottom: 1rem; }
    
    a { color: #0056b3; text-decoration: none; }
    a:hover { text-decoration: underline; }
    
    /* Logo images */
    .logo-images {
        display: flex;
        justify-content: space-around;
        margin: 2rem 0;
    }
    
    .logo-images img {
        max-height: 120px;
        max-width: 200px;
    }
    
    /* Responsive */
    @media (max-width: 768px) {
        .header-container { flex-direction: column; text-align: center; }
        nav ul { margin-top: 1rem; flex-wrap: wrap; justify-content: center; }
        nav ul li { margin: 0.5rem; }
        .logo-images { flex-direction: column; align-items: center; }
        .logo-images img { margin: 1rem 0; }
    }