:root {
            --hydro-blue: #1e90ff;
            --deep-aqua: #00ced1;
            --ocean-wave: #20b2aa;
            --crystal-clear: #e6f7ff;
            --fontaine-gold: #ffd700;
        }
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, var(--crystal-clear) 0%, #ffffff 100%);
        }
        .hydro-navbar {
            background: linear-gradient(90deg, var(--hydro-blue) 0%, var(--deep-aqua) 100%);
            box-shadow: 0 4px 12px rgba(30, 144, 255, 0.3);
        }
        .logo-text {
            font-weight: 800;
            font-size: 1.8rem;
            background: linear-gradient(45deg, #ffffff, var(--fontaine-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
        }
        .nav-link {
            color: white !important;
            font-weight: 600;
            transition: all 0.3s ease;
            border-radius: 5px;
            margin: 0 5px;
        }
        .nav-link:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(30, 144, 255, 0.8), rgba(0, 206, 209, 0.8)), url('https://via.placeholder.com/1600x900') center/cover no-repeat;
            color: white;
            padding: 100px 0;
            text-align: center;
            margin-bottom: 40px;
        }
        .content-section {
            background: white;
            border-radius: 15px;
            box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
            padding: 30px;
            margin-bottom: 30px;
            transition: transform 0.3s ease;
        }
        .content-section:hover {
            transform: translateY(-5px);
        }
        h1, h2, h3 {
            color: var(--hydro-blue);
            margin-bottom: 20px;
        }
        h1 {
            font-size: 2.5rem;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
            border-bottom: 3px solid var(--deep-aqua);
            padding-bottom: 10px;
        }
        h2 {
            font-size: 2rem;
            border-left: 5px solid var(--ocean-wave);
            padding-left: 15px;
        }
        h3 {
            font-size: 1.5rem;
            color: var(--ocean-wave);
        }
        .keyword-highlight {
            background-color: rgba(30, 144, 255, 0.1);
            padding: 2px 6px;
            border-radius: 4px;
            font-weight: 700;
            color: var(--hydro-blue);
        }
        .emoji-divider {
            text-align: center;
            font-size: 1.5rem;
            margin: 25px 0;
            color: var(--deep-aqua);
        }
        .image-container {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            margin: 25px 0;
            transition: transform 0.3s ease;
        }
        .image-container:hover {
            transform: scale(1.02);
        }
        .feature-box {
            background: linear-gradient(135deg, var(--crystal-clear) 0%, #ffffff 100%);
            border-left: 4px solid var(--hydro-blue);
            padding: 20px;
            margin: 20px 0;
            border-radius: 0 10px 10px 0;
        }
        .footer {
            background: linear-gradient(90deg, #1a1a2e 0%, #16213e 100%);
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 60px 0;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
        }