:root {
            --primary: #c0392b; 
            --secondary: #2c3e50; 
            --accent: #f1c40f; 
            --light: #ecf0f1;
            --dark: #1a1a1a;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --border-radius: 8px;
            --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: 1.6;
            color: var(--secondary);
            background-color: #f9f9f9;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .site-header {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--dark) 100%);
            color: var(--light);
            padding: var(--spacing-md) 0;
            margin-bottom: var(--spacing-md);
            border-bottom: 4px solid var(--primary);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: var(--accent);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            letter-spacing: 1px;
        }
        .my-logo:hover {
            color: var(--light);
            text-decoration: none;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: var(--spacing-md);
        }
        .main-nav a {
            color: var(--light);
            font-weight: 600;
            padding: var(--spacing-xs) var(--spacing-sm);
            border-radius: var(--border-radius);
        }
        .main-nav a:hover {
            background-color: rgba(255,255,255,0.1);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            padding: var(--spacing-sm) 0;
            margin-bottom: var(--spacing-md);
            font-size: 0.9rem;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb a {
            color: var(--secondary);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--spacing-lg);
        }
        article {
            background: white;
            padding: var(--spacing-lg);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--primary);
            font-size: 2.8rem;
            margin-bottom: var(--spacing-md);
            line-height: 1.2;
            border-left: 6px solid var(--accent);
            padding-left: var(--spacing-md);
        }
        h2 {
            color: var(--secondary);
            font-size: 2rem;
            margin: var(--spacing-lg) 0 var(--spacing-md);
            padding-bottom: var(--spacing-xs);
            border-bottom: 2px solid var(--light);
        }
        h3 {
            color: var(--primary);
            font-size: 1.6rem;
            margin: var(--spacing-md) 0 var(--spacing-sm);
        }
        h4 {
            color: var(--secondary);
            font-size: 1.3rem;
            margin: var(--spacing-sm) 0;
        }
        p {
            margin-bottom: var(--spacing-md);
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: bold;
            color: var(--primary);
            background-color: #fff9e6;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin-bottom: var(--spacing-lg);
        }
        .highlight {
            background-color: #e8f4fc;
            border-left: 4px solid #3498db;
            padding: var(--spacing-md);
            margin: var(--spacing-md) 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .info-box {
            background-color: #f0f9f0;
            border: 1px solid #2ecc71;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin: var(--spacing-md) 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: var(--spacing-lg) auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-md);
            margin: var(--spacing-lg) 0;
        }
        .feature-card {
            background: white;
            border: 1px solid #eee;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .feature-card i {
            color: var(--primary);
            font-size: 2rem;
            margin-bottom: var(--spacing-sm);
        }
        aside {
            background: white;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            align-self: start;
        }
        .sidebar-widget {
            margin-bottom: var(--spacing-lg);
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            color: var(--secondary);
            margin-bottom: var(--spacing-sm);
            padding-bottom: var(--spacing-xs);
            border-bottom: 1px solid #eee;
        }
        .widget-list {
            list-style: none;
        }
        .widget-list li {
            padding: var(--spacing-xs) 0;
            border-bottom: 1px dotted #eee;
        }
        .form-container {
            background: #f8f8f8;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin: var(--spacing-lg) 0;
        }
        .form-group {
            margin-bottom: var(--spacing-sm);
        }
        label {
            display: block;
            margin-bottom: 5px;
            font-weight: 600;
        }
        input, select, textarea {
            width: 100%;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-family: inherit;
        }
        button, .btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 12px 24px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
            display: inline-block;
        }
        button:hover, .btn:hover {
            background-color: var(--accent);
            color: var(--dark);
            text-decoration: none;
        }
        .star-rating {
            direction: rtl;
            display: inline-block;
            font-size: 1.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ccc;
            cursor: pointer;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: var(--accent);
        }
        .site-footer {
            background-color: var(--secondary);
            color: var(--light);
            padding: var(--spacing-lg) 0;
            margin-top: var(--spacing-lg);
            border-top: 4px solid var(--primary);
        }
        .footer-container {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-lg);
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            color: var(--accent);
            margin-bottom: var(--spacing-md);
        }
        friend-link {
            display: block;
            margin-bottom: var(--spacing-xs);
        }
        .copyright {
            text-align: center;
            padding-top: var(--spacing-md);
            margin-top: var(--spacing-md);
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .main-nav ul {
                gap: var(--spacing-sm);
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .my-logo {
                margin-bottom: var(--spacing-sm);
            }
            .hamburger {
                display: block;
                position: absolute;
                top: var(--spacing-md);
                right: var(--spacing-sm);
            }
            .main-nav {
                width: 100%;
                display: none;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
                width: 100%;
            }
            .main-nav li {
                width: 100%;
            }
            .main-nav a {
                display: block;
                padding: var(--spacing-sm);
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            #nav-toggle:checked ~ .main-nav {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }