* {
        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: linear-gradient(135deg, #a9bfdd 0%, #b8cce2 100%);
        min-height: 100vh;
    }

    .container {
        max-width: 98%;
        margin: 0 auto;
        background: white;
        min-height: 100vh;
        box-shadow: 0 0 20px rgba(0,0,0,0.1);
    }

    /* Navigation */
    nav {
        background: linear-gradient(135deg, #2c3e50, #34495e);
        padding: 1rem 2rem;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }
    nav a {
        color: white;
        text-decoration: none;
        margin-right: 2rem;
        padding: 0.5rem 1rem;
        border-radius: 5px;
        transition: all 0.3s ease;
        font-weight: 500;
    }

    nav a:hover {
        background-color: rgba(255,255,255,0.1);
        transform: translateY(-2px);
    }

    /* Header */
    header {
        background: linear-gradient(135deg, #3498db, #2980b9);
        color: white;
        text-align: center;
        padding: 3rem 2rem;
        position: relative;
        overflow: hidden;
    }

    header::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="rgba(255,255,255,0.1)"><path d="M0,0v46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1099.37,7.9,1200,10.79V0Z" opacity="0.25"/></svg>') repeat-x;
        animation: wave 20s linear infinite;
    }

    @keyframes wave {
        0% { transform: translateX(0); }
        100% { transform: translateX(-100px); }
    }

    h1 {
        font-size: 2.5rem;
        margin-bottom: 0.5rem;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        position: relative;
        z-index: 2;
    }

    .subtitle {
        font-size: 1.2rem;
        opacity: 0.9;
        position: relative;
        z-index: 2;
    }

    /* Main Content */
    .main-content {
        padding: 2rem;
    }

    .content-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
        margin-bottom: 2rem;
    }

    .info-section {
        background: #f8f9fa;
        padding: 2rem;
        border-radius: 10px;
        border-left: 4px solid #3498db;
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    }

    .info-section h2 {
        color: #2c3e50;
        margin-bottom: 1rem;
        font-size: 1.5rem;
    }

    .info-section p {
        margin-bottom: 1rem;
        text-align: justify;
    }

    .info-section ul {
        margin: 1rem 0;
        padding-left: 1.5rem;
    }

    .info-section li {
        margin-bottom: 0.5rem;
        color: #555;
    }

    /* Map Section */
    .map-section {
        background: white;
        border-radius: 10px;
        padding: 1.5rem;
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        margin-bottom: 2rem;
    }

    .map-section h2 {
        color: #2c3e50;
        margin-bottom: 1rem;
        text-align: center;
    }

    #map {
        height: 600px;
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }

    .map-controls {
        margin-top: 1rem;
        text-align: center;
    }

    .map-controls button {
        background: #3498db;
        color: white;
        border: none;
        padding: 0.5rem 1rem;
        margin: 0 0.5rem;
        border-radius: 5px;
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .map-controls button:hover {
        background: #2980b9;
        transform: translateY(-2px);
    }

    /* Features Grid */
    .features-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 1.5rem;
        margin: 2rem 0;
    }

    .feature-card {
        background: white;
        padding: 1.5rem;
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        border-top: 4px solid #e74c3c;
        transition: transform 0.3s ease;
    }

    .feature-card:nth-child(2) {
        border-top-color: #f39c12;
    }

    .feature-card:nth-child(3) {
        border-top-color: #27ae60;
    }

    .feature-card:hover {
        transform: translateY(-5px);
    }

    .feature-card h3 {
        color: #2c3e50;
        margin-bottom: 1rem;
    }

    /* Acknowledgments */
    .acknowledgments {
        background: linear-gradient(135deg, #34495e, #2c3e50);
        color: white;
        padding: 2rem;
        margin-top: 2rem;
        border-radius: 10px;
    }

    .acknowledgments h3 {
        margin-bottom: 1rem;
        color: #ecf0f1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
        .content-grid {
            grid-template-columns: 1fr;
        }
        
        .features-grid {
            grid-template-columns: 1fr;
        }
        
        nav a {
            display: block;
            margin: 0.5rem 0;
        }
        
        h1 {
            font-size: 2rem;
        }
    }

    /* Loading animation */
    .loading {
        display: inline-block;
        width: 20px;
        height: 20px;
        border: 3px solid #f3f3f3;
        border-top: 3px solid #3498db;
        border-radius: 50%;
        animation: spin 1s linear infinite;
    }

    @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }