:root {
            --primary-color: #97233F;
            --secondary-color: #00338D;
            --accent-color: #FFB81C;
            --text-color: #333333;
            --light-bg: #f8f9fa;
        }
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }
        .logo-text {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }
        .nav-custom {
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }
        .nav-custom.scrolled {
            background: rgba(255,255,255,0.98);
            padding: 0.5rem 0;
        }
        .hero-section {
            background: linear-gradient(rgba(151, 35, 63, 0.8), rgba(0, 51, 141, 0.8)), url('https://via.placeholder.com/1920x800') center/cover;
            color: white;
            padding: 120px 0;
            text-align: center;
        }
        .content-section {
            background: white;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
            margin: -80px auto 40px;
            position: relative;
            padding: 60px 40px;
        }
        h1, h2, h3 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            font-weight: 700;
        }
        h1 {
            font-size: 3rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        h2 {
            font-size: 2.2rem;
            border-left: 5px solid var(--accent-color);
            padding-left: 20px;
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--secondary-color);
            margin-top: 2.5rem;
        }
        p {
            margin-bottom: 1.8rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight-box {
            background: linear-gradient(135deg, var(--light-bg), #e9ecef);
            border-left: 4px solid var(--accent-color);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 10px 10px 0;
        }
        .key-feature {
            background: white;
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
            margin: 20px 0;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid #e9ecef;
        }
        .key-feature:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            margin: 30px 0;
            transition: transform 0.3s ease;
        }
        img:hover {
            transform: scale(1.02);
        }
        .table-custom {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            margin: 30px 0;
        }
        .table-custom th {
            background: var(--primary-color);
            color: white;
            font-weight: 600;
            padding: 15px;
        }
        .table-custom td {
            padding: 15px;
            border-bottom: 1px solid #dee2e6;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--primary-color);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            opacity: 0;
            transition: all 0.3s ease;
            z-index: 1000;
        }
        .back-to-top.show {
            opacity: 1;
        }
        .back-to-top:hover {
            background: var(--secondary-color);
            transform: translateY(-3px);
        }
        footer {
            background: linear-gradient(135deg, var(--secondary-color), #001a4d);
            color: white;
            padding: 60px 0 30px;
            margin-top: 80px;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: white;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .content-section {
                padding: 40px 20px;
                margin: -40px auto 20px;
            }
        }
        .content-highlight {
            background: linear-gradient(120deg, var(--accent-color) 0%, var(--accent-color) 100%);
            background-position: 0 90%;
            background-repeat: no-repeat;
            background-size: 100% 0.3em;
            transition: background-size 0.3s ease;
            font-weight: 600;
        }
        .content-highlight:hover {
            background-size: 100% 88%;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-color);
            display: block;
        }
        .stat-label {
            font-size: 1.1rem;
            color: var(--secondary-color);
            font-weight: 600;
        }