:root {
            --primary-blue: #003f87;
            --secondary-gold: #ffd700;
            --accent-green: #009639;
            --neutral-light: #f8f9fa;
            --neutral-dark: #212529;
            --neutral-gray: #6c757d;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--neutral-dark);
            background-color: #fff;
            max-width: 100vw;
            overflow-x: hidden;
        }
        .header {
            background: linear-gradient(135deg, var(--primary-blue) 0%, #0056b3 100%);
            color: white;
            padding: 1rem 5%;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.5px;
        }
        .logo .fa-globe-americas {
            color: var(--secondary-gold);
            font-size: 2rem;
        }
        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--secondary-gold);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--secondary-gold);
            transition: width 0.3s ease;
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--neutral-light);
            padding: 0.8rem 5%;
            font-size: 0.9rem;
            border-bottom: 1px solid #dee2e6;
        }
        .breadcrumb a {
            color: var(--primary-blue);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 5%;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .main-content {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        h1 {
            color: var(--primary-blue);
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--secondary-gold);
            padding-bottom: 0.5rem;
        }
        h2 {
            color: var(--primary-blue);
            font-size: 1.8rem;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #e9ecef;
        }
        h3 {
            color: var(--accent-green);
            font-size: 1.4rem;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--neutral-dark);
            font-weight: 500;
            margin-bottom: 2rem;
            padding: 1rem;
            background-color: #f0f8ff;
            border-left: 4px solid var(--primary-blue);
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.4rem;
            border-radius: 3px;
            font-weight: 600;
        }
        strong {
            color: var(--primary-blue);
        }
        em {
            color: var(--neutral-gray);
        }
        .search-box, .comment-form, .rating-form {
            background-color: var(--neutral-light);
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
            box-shadow: 0 3px 10px rgba(0,0,0,0.08);
        }
        .search-box h3, .comment-form h3, .rating-form h3 {
            margin-top: 0;
            color: var(--primary-blue);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(0, 63, 135, 0.1);
        }
        button, .btn {
            background: linear-gradient(to right, var(--primary-blue), #0056b3);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 1rem;
            text-align: center;
            text-decoration: none;
            display: inline-block;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #002f6c, #004a9e);
            transform: translateY(-2px);
            box-shadow: 0 5px 12px rgba(0,0,0,0.15);
        }
        .groups-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: 0 0 10px rgba(0,0,0,0.05);
            border-radius: 8px;
            overflow: hidden;
        }
        .groups-table th {
            background-color: var(--primary-blue);
            color: white;
            padding: 1rem;
            text-align: left;
            font-weight: 600;
        }
        .groups-table td {
            padding: 0.9rem 1rem;
            border-bottom: 1px solid #dee2e6;
        }
        .groups-table tr:nth-child(even) {
            background-color: #f8f9fa;
        }
        .groups-table tr:hover {
            background-color: #e3f2fd;
        }
        .groups-table .qualified {
            color: var(--accent-green);
            font-weight: bold;
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: transform 0.5s ease;
        }
        .featured-image:hover {
            transform: scale(1.01);
        }
        .related-links {
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            margin-top: 2rem;
        }
        .related-links h3 {
            color: var(--primary-blue);
            margin-top: 0;
        }
        .related-links ul {
            list-style-type: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 0.8rem;
        }
        .related-links li {
            margin-bottom: 0.5rem;
        }
        .related-links a {
            color: var(--primary-blue);
            text-decoration: none;
            display: block;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
            transition: all 0.2s;
        }
        .related-links a:hover {
            background-color: #e3f2fd;
            padding-left: 1.2rem;
        }
        .footer {
            background-color: var(--neutral-dark);
            color: #adb5bd;
            padding: 3rem 5% 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h4 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #adb5bd;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: white;
        }
        friend-link {
            display: block;
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid #495057;
        }
        friend-link a {
            color: var(--secondary-gold);
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #495057;
            font-size: 0.9rem;
            color: #6c757d;
        }
        @media (max-width: 992px) {
            .container {
                grid-template-columns: 1fr;
            }
            .nav-links {
                gap: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                background-color: var(--primary-blue);
                width: 100%;
                flex-direction: column;
                align-items: center;
                padding: 2rem 0;
                gap: 1.5rem;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease-in-out;
                box-shadow: 0 5px 10px rgba(0,0,0,0.1);
            }
            .nav-links.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .header-container {
                flex-wrap: wrap;
            }
            h1 {
                font-size: 2rem;
            }
            .related-links ul {
                grid-template-columns: 1fr;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-3 { margin-top: 1rem; }
        .mb-3 { margin-bottom: 1rem; }
        .p-3 { padding: 1rem; }