* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #0056B3; 
            --secondary: #FFCC00; 
            --dark: #1A1A2E;
            --light: #F8F9FA;
            --gray: #6C757D;
            --success: #28A745;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        body {
            background-color: var(--light);
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn:hover {
            background: #003d82;
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        section {
            padding: 60px 0;
            border-bottom: 1px solid #eee;
        }
        header {
            background-color: var(--dark);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--secondary);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            color: white;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 30px;
        }
        .nav-links a {
            color: white;
            font-weight: 500;
        }
        .nav-links a:hover {
            color: var(--secondary);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 12px 20px;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .hero {
            background: linear-gradient(rgba(26, 26, 46, 0.9), rgba(26, 26, 46, 0.9)), url('https://images.unsplash.com/photo-1551958219-acbc608c6377?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            text-align: center;
            padding: 100px 20px;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            color: var(--secondary);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        .content-area {
            background: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            margin-top: -40px;
            position: relative;
            z-index: 2;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--primary);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--secondary);
        }
        h3 {
            font-size: 1.8rem;
            color: var(--dark);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: var(--gray);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--primary);
            background: #f0f8ff;
            padding: 20px;
            border-left: 5px solid var(--secondary);
            border-radius: 0 8px 8px 0;
            margin: 2rem 0;
        }
        strong {
            color: var(--dark);
            font-weight: 700;
        }
        em {
            color: var(--gray);
            font-style: italic;
        }
        blockquote {
            border-left: 4px solid var(--secondary);
            padding-left: 20px;
            margin: 2rem 0;
            font-style: italic;
            color: #555;
            background: #f9f9f9;
            padding: 20px;
            border-radius: 0 8px 8px 0;
        }
        .img-container {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 900px;
        }
        .img-container img {
            box-shadow: var(--shadow);
        }
        .caption {
            font-size: 0.95rem;
            color: var(--gray);
            margin-top: 10px;
            font-style: italic;
        }
        .feature-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 3rem 0;
        }
        .feature-card {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 10px;
            border-top: 5px solid var(--primary);
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow);
        }
        .feature-card i {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 15px;
        }
        .interactive-section {
            background: #f0f8ff;
            padding: 40px;
            border-radius: 12px;
            margin: 3rem 0;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark);
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.2);
        }
        .rating {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating label:hover,
        .rating label:hover ~ label,
        .rating input:checked ~ label {
            color: var(--secondary);
        }
        footer {
            background: var(--dark);
            color: #ccc;
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 20px;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #aaa;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: 6px;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            .hero h1 { font-size: 2.8rem; }
            .content-area { padding: 30px; }
        }
        @media (max-width: 768px) {
            .header-container { padding: 15px; }
            .nav-links {
                position: fixed;
                top: 70px;
                right: -100%;
                flex-direction: column;
                background: var(--dark);
                width: 80%;
                height: 100vh;
                padding-top: 40px;
                transition: 0.5s;
                box-shadow: -5px 0 15px rgba(0,0,0,0.2);
            }
            .nav-links.active {
                right: 0;
            }
            .nav-links li {
                margin: 15px 0;
                text-align: center;
            }
            .hamburger { display: block; }
            .hero { padding: 80px 20px; }
            .hero h1 { font-size: 2.2rem; }
            .hero p { font-size: 1.1rem; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            section { padding: 40px 0; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            .btn { padding: 10px 20px; }
            .hero h1 { font-size: 1.9rem; }
            .content-area { padding: 20px; }
        }