:root {
            --primary-dark: #1a2a3a;
            --primary-accent: #e67e22;
            --secondary-accent: #3498db;
            --text-light: #ecf0f1;
            --text-muted: #bdc3c7;
            --bg-content: #2c3e50;
            --card-bg: #34495e;
            --success: #2ecc71;
            --warning: #f1c40f;
            --danger: #e74c3c;
            --border-radius: 8px;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--primary-dark);
            color: var(--text-light);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--secondary-accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-accent);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(26, 42, 58, 0.95);
            padding: 1.2rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
            backdrop-filter: blur(10px);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary-accent);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo a {
            color: inherit;
        }
        .logo span {
            color: var(--secondary-accent);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--primary-accent);
            transition: width 0.3s;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--text-light);
            cursor: pointer;
        }
        .mobile-nav {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100vh;
            background-color: var(--primary-dark);
            padding: 100px 2rem 2rem;
            z-index: 999;
            transition: right 0.4s ease;
            box-shadow: -5px 0 15px rgba(0,0,0,0.5);
        }
        .mobile-nav.active {
            right: 0;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin-bottom: 1.5rem;
        }
        .mobile-nav a {
            font-size: 1.3rem;
            font-weight: 600;
        }
        .overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.7);
            z-index: 998;
        }
        .overlay.active {
            display: block;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: var(--bg-content);
            margin-bottom: 2rem;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary-accent);
        }
        .breadcrumb i {
            margin: 0 8px;
            font-size: 0.8rem;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: var(--bg-content);
            border-radius: var(--border-radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            color: var(--primary-accent);
            line-height: 1.2;
            border-bottom: 3px solid var(--primary-accent);
            padding-bottom: 0.7rem;
        }
        h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            color: var(--secondary-accent);
            padding-left: 0.8rem;
            border-left: 5px solid var(--secondary-accent);
        }
        h3 {
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
            color: var(--text-light);
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--text-muted);
            margin-bottom: 2rem;
            padding: 1rem;
            background-color: rgba(52, 73, 94, 0.5);
            border-radius: var(--border-radius);
            border-left: 4px solid var(--warning);
        }
        .highlight {
            background-color: rgba(231, 126, 34, 0.1);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            border: 1px solid var(--primary-accent);
        }
        .highlight strong {
            color: var(--primary-accent);
            font-size: 1.2rem;
        }
        .cta-box {
            background: linear-gradient(135deg, var(--primary-accent), #d35400);
            color: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            text-align: center;
            margin: 3rem 0;
            box-shadow: 0 6px 20px rgba(231, 126, 34, 0.3);
        }
        .cta-box h3 {
            color: white;
            margin-top: 0;
        }
        .btn {
            display: inline-block;
            background-color: var(--secondary-accent);
            color: white;
            padding: 0.9rem 2rem;
            border-radius: 50px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 1rem;
        }
        .btn:hover {
            background-color: #2980b9;
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(0,0,0,0.2);
        }
        .btn-primary {
            background-color: var(--primary-accent);
        }
        .btn-primary:hover {
            background-color: #d35400;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            box-shadow: var(--shadow);
            border: 2px solid var(--card-bg);
        }
        figcaption {
            text-align: center;
            font-style: italic;
            color: var(--text-muted);
            margin-top: -1rem;
            margin-bottom: 2rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.7rem;
        }
        blockquote {
            border-left: 5px solid var(--success);
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: var(--text-muted);
            background-color: rgba(46, 204, 113, 0.05);
            padding: 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .interactive-section {
            background-color: var(--card-bg);
            padding: 2rem;
            border-radius: var(--border-radius);
            margin: 3rem 0;
        }
        .interactive-section h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input, select, textarea {
            width: 100%;
            padding: 0.9rem;
            border-radius: var(--border-radius);
            border: 1px solid #555;
            background-color: var(--bg-content);
            color: var(--text-light);
            font-size: 1rem;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--secondary-accent);
        }
        .star-rating {
            direction: rtl;
            display: inline-block;
            font-size: 2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #444;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: var(--warning);
        }
        .comments {
            margin-top: 3rem;
        }
        .comment {
            background-color: var(--card-bg);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin-bottom: 1.5rem;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1rem;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .comment-author {
            font-weight: bold;
            color: var(--secondary-accent);
        }
        aside {
            background-color: var(--bg-content);
            border-radius: var(--border-radius);
            padding: 2rem;
            height: fit-content;
            box-shadow: var(--shadow);
        }
        aside h3 {
            color: var(--primary-accent);
            margin-top: 0;
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
        }
        .sidebar-links {
            list-style: none;
            margin-left: 0;
        }
        .sidebar-links li {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .sidebar-links a {
            display: block;
            padding: 0.8rem;
            background-color: var(--card-bg);
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .sidebar-links a:hover {
            background-color: var(--primary-accent);
            color: white;
            padding-left: 1.5rem;
        }
        .stats-box {
            background-color: var(--card-bg);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin-bottom: 2rem;
            text-align: center;
        }
        .stat {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary-accent);
            display: block;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 1rem;
            margin: 3rem 0;
        }
        @media (max-width: 768px) {
            .web-links {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .web-link {
            background-color: var(--card-bg);
            padding: 1.2rem;
            border-radius: var(--border-radius);
            text-align: center;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: var(--primary-accent);
            transform: translateY(-5px);
        }
        .web-link a {
            color: var(--text-light);
            font-weight: 600;
        }
        footer {
            background-color: #0f151c;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-links {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }
        .footer-col {
            flex: 1;
            min-width: 200px;
            margin-bottom: 1.5rem;
        }
        .footer-col h4 {
            color: var(--primary-accent);
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        .footer-col ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-col li {
            margin-bottom: 0.7rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            article, aside {
                padding: 1.5rem;
            }
        }