:root {
            --primary: #1a365d;
            --secondary: #c53030;
            --accent: #ecc94b;
            --light: #f7fafc;
            --dark: #2d3748;
            --text: #4a5568;
            --border: #e2e8f0;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.6;
            color: var(--text);
            background-color: var(--light);
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--primary);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        nav a:hover, nav a.active {
            background: var(--secondary);
            color: white;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #edf2f7;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, #2d3748 100%);
            color: white;
            padding: 4rem 0;
            text-align: center;
            margin-bottom: 2rem;
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            opacity: 0.9;
        }
        .cta-button {
            display: inline-block;
            background: var(--secondary);
            color: white;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
        }
        .cta-button:hover {
            background: #9b2c2c;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        .content-area {
            background: white;
            padding: 2rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        article h2 {
            color: var(--primary);
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--accent);
        }
        article h3 {
            color: var(--dark);
            margin: 1.5rem 0 0.8rem;
        }
        article p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .highlight {
            background: #fffaf0;
            border-left: 4px solid var(--accent);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: var(--radius);
            text-align: center;
            border-top: 4px solid var(--primary);
        }
        .stat-card i {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 1rem;
        }
        .feature-image {
            width: 100%;
            height: auto;
            border-radius: var(--radius);
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        .interactive-section {
            background: #f7fafc;
            padding: 2rem;
            border-radius: var(--radius);
            margin: 3rem 0;
            border: 1px solid var(--border);
        }
        .search-box, .comment-form, .rating-form {
            margin-bottom: 2rem;
        }
        .search-box form, .comment-form form, .rating-form form {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        input, textarea, select {
            padding: 0.8rem 1rem;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            font-family: inherit;
            flex-grow: 1;
            min-width: 200px;
        }
        textarea {
            min-height: 100px;
            resize: vertical;
            width: 100%;
        }
        button[type="submit"] {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: var(--radius);
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
        }
        button[type="submit"]:hover {
            background: var(--secondary);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .stars i {
            color: #cbd5e0;
            cursor: pointer;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .stars i:hover, .stars i.active {
            color: var(--accent);
        }
        .comments {
            margin-top: 2rem;
        }
        .comment {
            background: white;
            padding: 1rem;
            border-radius: var(--radius);
            margin-bottom: 1rem;
            border-left: 4px solid var(--border);
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            padding: 2rem 0;
        }
        .web-link {
            background: white;
            padding: 1rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
        }
        .web-link a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 3rem 0 1rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--accent);
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer-links a {
            color: #cbd5e0;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
        }
        @media (max-width: 768px) {
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--primary);
                padding: 1rem;
                box-shadow: var(--shadow);
            }
            nav ul.show {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .search-box form, .comment-form form, .rating-form form {
                flex-direction: column;
                align-items: stretch;
            }
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .bold {
            font-weight: 700;
            color: var(--dark);
        }
        .text-center {
            text-align: center;
        }
        .mb-2 { margin-bottom: 2rem; }
        .mt-2 { margin-top: 2rem; }
        .p-2 { padding: 2rem; }