* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #0057B8;
            --secondary: #FFD100;
            --accent: #E31837;
            --dark: #1A1A1A;
            --light: #F8F9FA;
            --gray: #6C757D;
            --transition: all 0.3s ease;
            --shadow: 0 5px 15px rgba(0,0,0,0.1);
            --radius: 8px;
            --container-max: 1200px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background: var(--light);
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1rem;
            color: var(--primary);
        }
        h1 {
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            margin-top: 1rem;
        }
        h2 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            border-left: 5px solid var(--secondary);
            padding-left: 1rem;
            margin: 2.5rem 0 1.5rem;
        }
        h3 {
            font-size: 1.5rem;
            color: var(--accent);
            margin-top: 1.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--gray);
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        header {
            background: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 900;
            text-decoration: none;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .logo span {
            color: var(--secondary);
        }
        .logo:hover {
            transform: scale(1.02);
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .desktop-nav {
                display: none;
            }
        }
        .nav-link {
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .nav-link:hover {
            background: var(--primary);
            color: white;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 992px) {
            .mobile-toggle {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: white;
            padding: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: flex;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #f1f5f9;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .hero {
            background: linear-gradient(rgba(0,87,184,0.9), rgba(0,87,184,0.7)), url('https://images.unsplash.com/photo-1519861151994-1cce70e2d76f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 5rem 0;
            text-align: center;
            margin-bottom: 3rem;
        }
        .hero h1 {
            color: white;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 3rem 0;
        }
        @media (max-width: 768px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        aside {
            background: white;
            padding: 2rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .highlight-box {
            background: linear-gradient(135deg, var(--primary), #003d82);
            color: white;
            padding: 2rem;
            border-radius: var(--radius);
            margin: 2rem 0;
            border-left: 5px solid var(--secondary);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: white;
            padding: 1.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            text-align: center;
            border-top: 4px solid var(--accent);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary);
            display: block;
        }
        .interactive-form {
            background: white;
            padding: 2rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin: 2rem 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #e2e8f0;
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0,87,184,0.2);
        }
        .btn {
            display: inline-block;
            padding: 0.8rem 2rem;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn:hover {
            background: #0047a3;
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .btn-secondary {
            background: var(--secondary);
            color: var(--dark);
        }
        .btn-secondary:hover {
            background: #e6be00;
        }
        .rating-system {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin: 1rem 0;
        }
        .stars {
            display: flex;
            gap: 0.3rem;
        }
        .star {
            color: #e2e8f0;
            cursor: pointer;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #FFD100;
        }
        .comment-section {
            margin-top: 3rem;
            border-top: 2px solid #e2e8f0;
            padding-top: 2rem;
        }
        .comment {
            background: #f8fafc;
            padding: 1.5rem;
            border-radius: var(--radius);
            margin-bottom: 1.5rem;
            border-left: 3px solid var(--primary);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1rem;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .article-image {
            width: 100%;
            height: auto;
            border-radius: var(--radius);
            margin: 2rem 0;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: scale(1.01);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        friend-link {
            display: block;
            background: #f1f5f9;
            padding: 1rem;
            border-radius: var(--radius);
            margin: 0.5rem 0;
        }
        friend-link a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #333;
            font-size: 0.9rem;
            color: #aaa;
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mt-2 { margin-top: 2rem; }
        .px-2 { padding-left: 2rem; padding-right: 2rem; }
        .py-2 { padding-top: 2rem; padding-bottom: 2rem; }
        .font-bold { font-weight: 700; }
        .text-primary { color: var(--primary); }
        .bg-light { background: var(--light); }
        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }
            article, aside {
                padding: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .hero {
                padding: 3rem 0;
            }
        }
        @media print {
            header, footer, aside, .interactive-form {
                display: none;
            }
            article {
                box-shadow: none;
                padding: 0;
            }
            body {
                color: black;
                background: white;
            }
        }