:root {
            --primary-color: #ff6b35;
            --secondary-color: #004e64;
            --accent-color: #f7c59f;
            --text-dark: #2e2e2e;
            --text-light: #666;
            --bg-light: #f8f9fa;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: #fff;
        }
        .logo-text {
            font-family: 'Georgia', serif;
            font-weight: bold;
            font-size: 2.2rem;
            color: var(--primary-color);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }
        .nav-custom {
            background: linear-gradient(135deg, var(--secondary-color) 0%, #006d8f 100%);
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .nav-link {
            color: white !important;
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 8px 15px !important;
            border-radius: 4px;
        }
        .nav-link:hover {
            background-color: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(0,78,100,0.8), rgba(0,78,100,0.9)), url('https://via.placeholder.com/1600x900') center/cover no-repeat;
            color: white;
            padding: 100px 0;
            text-align: center;
        }
        .section-title {
            color: var(--secondary-color);
            border-left: 5px solid var(--primary-color);
            padding-left: 15px;
            margin: 40px 0 25px;
            font-weight: 700;
        }
        .content-card {
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            padding: 25px;
            margin-bottom: 30px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border-top: 4px solid var(--primary-color);
        }
        .content-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .highlight-text {
            background-color: rgba(255,107,53,0.1);
            border-left: 4px solid var(--primary-color);
            padding: 15px 20px;
            margin: 20px 0;
            font-style: italic;
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        .img-fluid-custom {
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
            margin: 20px 0;
        }
        .img-fluid-custom:hover {
            transform: scale(1.02);
        }
        footer {
            background-color: var(--secondary-color);
            color: white;
            padding: 40px 0 20px;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background-color: var(--primary-color);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            box-shadow: 0 4px 10px rgba(0,0,0,0.2);
            transition: all 0.3s ease;
            z-index: 1000;
        }
        .back-to-top:hover {
            background-color: #e55a2b;
            transform: translateY(-3px);
            color: white;
        }
        .keyword-highlight {
            font-weight: bold;
            color: var(--primary-color);
        }
        @media (max-width: 768px) {
            .logo-text {
                font-size: 1.8rem;
            }
            .hero-section {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }