:root {
            --primary-color: #1a237e; 
            --secondary-color: #d32f2f; 
            --accent-color: #ff9800; 
            --light-bg: #f5f5f5;
            --dark-text: #212121;
            --light-text: #757575;
            --border-color: #e0e0e0;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--dark-text);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo .fa-futbol {
            color: var(--accent-color);
            font-size: 2.5rem;
        }
        .search-form {
            display: flex;
            max-width: 400px;
            width: 100%;
        }
        .search-form input {
            flex: 1;
            padding: 12px 20px;
            border: 2px solid var(--border-color);
            border-right: none;
            border-radius: 30px 0 0 30px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 30px 30px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--secondary-color);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--primary-color);
        }
        nav ul {
            display: flex;
            list-style: none;
            justify-content: center;
            padding: 15px 0;
            gap: 30px;
        }
        nav ul li a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 5px;
            position: relative;
        }
        nav ul li a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--accent-color);
            transition: var(--transition);
        }
        nav ul li a:hover:after {
            width: 100%;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: var(--light-bg);
            font-size: 0.95rem;
            color: var(--light-text);
        }
        .breadcrumb a {
            color: var(--light-text);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        main {
            padding: 40px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        article {
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 20px;
            line-height: 1.3;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--accent-color);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary-color);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--dark-text);
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary-color);
            background-color: #e8eaf6;
            padding: 20px;
            border-left: 5px solid var(--accent-color);
            border-radius: 0 10px 10px 0;
            margin-bottom: 30px;
        }
        .highlight {
            background-color: #fff8e1;
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
            border-left: 5px solid var(--accent-color);
        }
        .featured-img {
            margin: 30px auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-img figcaption {
            text-align: center;
            font-style: italic;
            color: var(--light-text);
            padding: 10px;
            background-color: var(--light-bg);
        }
        ul, ol {
            margin-left: 30px;
            margin-bottom: 20px;
        }
        li {
            margin-bottom: 10px;
        }
        .btn {
            display: inline-block;
            background-color: var(--primary-color);
            color: white;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn:hover {
            background-color: var(--secondary-color);
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
        }
        .quote {
            font-style: italic;
            border-left: 4px solid var(--secondary-color);
            padding-left: 20px;
            margin: 30px 0;
            color: var(--light-text);
            font-size: 1.2rem;
        }
        aside {
            background-color: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            color: var(--primary-color);
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-color);
        }
        .quick-links ul {
            list-style: none;
            margin-left: 0;
        }
        .quick-links li {
            margin-bottom: 12px;
        }
        .quick-links a {
            display: block;
            padding: 10px 15px;
            background-color: var(--light-bg);
            border-radius: 5px;
            transition: var(--transition);
        }
        .quick-links a:hover {
            background-color: var(--primary-color);
            color: white;
            padding-left: 20px;
        }
        .popular-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag {
            background-color: var(--light-bg);
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
        }
        .tag:hover {
            background-color: var(--accent-color);
            color: white;
        }
        .interactive-section {
            background-color: var(--light-bg);
            padding: 30px;
            border-radius: 10px;
            margin: 40px 0;
        }
        .rating-form, .comment-form {
            margin-top: 20px;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid var(--border-color);
            border-radius: 5px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--primary-color);
            outline: none;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .longtail-links {
            background-color: var(--light-bg);
            padding: 40px 0;
            margin-top: 40px;
        }
        .web-link {
            display: inline-block;
            margin: 10px 20px 10px 0;
            padding: 10px 20px;
            background-color: white;
            border-radius: 5px;
            box-shadow: 0 3px 6px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.1);
        }
        footer {
            background-color: var(--primary-color);
            color: white;
            padding: 40px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-column h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-column ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-column li {
            margin-bottom: 12px;
        }
        .footer-column a {
            color: #bbdefb;
        }
        .footer-column a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #bbdefb;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .search-form {
                order: 3;
                margin-top: 15px;
                max-width: 100%;
            }
            .hamburger {
                display: block;
            }
            nav ul {
                flex-direction: column;
                display: none;
                text-align: center;
                padding: 20px 0;
            }
            nav.active ul {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
            .web-link {
                display: block;
                margin: 10px 0;
            }
        }