:root {
            --primary-color: #1e40af;
            --secondary-color: #f59e0b;
            --accent-color: #059669;
            --text-color: #1f2937;
            --light-bg: #f3f4f6;
            --white: #ffffff;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --border-radius: 8px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', 'Noto Sans Devanagari', sans-serif;
            line-height: 1.8;
            color: var(--text-color);
            background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
            min-height: 100vh;
        }
        header {
            background: var(--white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 15px 0;
        }
        .logo i {
            color: var(--secondary-color);
        }
        .logo-text {
            background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        nav {
            display: flex;
            gap: 30px;
        }
        .nav-links {
            display: flex;
            gap: 25px;
            list-style: none;
        }
        .nav-links a {
            text-decoration: none;
            color: var(--text-color);
            font-weight: 600;
            padding: 8px 12px;
            border-radius: var(--border-radius);
            transition: var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary-color);
            background: var(--light-bg);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--primary-color);
            transition: var(--transition);
        }
        .nav-links a:hover::after {
            width: 80%;
        }
        .search-container {
            display: flex;
            gap: 10px;
        }
        .search-input {
            padding: 10px 15px;
            border: 2px solid #d1d5db;
            border-radius: var(--border-radius);
            width: 250px;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
        }
        .search-btn {
            background: var(--primary-color);
            color: var(--white);
            border: none;
            padding: 10px 20px;
            border-radius: var(--border-radius);
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-btn:hover {
            background: #1e3a8a;
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--primary-color);
        }
        .breadcrumb {
            background: var(--light-bg);
            padding: 12px 20px;
            border-bottom: 1px solid #d1d5db;
        }
        .breadcrumb ol {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            gap: 10px;
            list-style: none;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb i {
            margin: 0 5px;
            color: #6b7280;
        }
        main {
            max-width: 1200px;
            margin: 30px auto;
            padding: 0 20px;
        }
        .article-container {
            background: var(--white);
            border-radius: 12px;
            box-shadow: var(--shadow);
            padding: 40px;
            margin-bottom: 30px;
        }
        h1 {
            color: var(--primary-color);
            font-size: 2.8rem;
            margin-bottom: 20px;
            line-height: 1.3;
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 15px;
        }
        h2 {
            color: var(--primary-color);
            font-size: 2rem;
            margin: 40px 0 20px;
            padding-left: 15px;
            border-left: 5px solid var(--accent-color);
        }
        h3 {
            color: var(--text-color);
            font-size: 1.5rem;
            margin: 30px 0 15px;
            padding-bottom: 8px;
            border-bottom: 2px dashed #d1d5db;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(120deg, #fef3c7 0%, #fef3c7 100%);
            padding: 20px;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--secondary-color);
            margin: 25px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        .stat-card {
            background: var(--light-bg);
            padding: 25px;
            border-radius: var(--border-radius);
            text-align: center;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .stat-card:hover {
            border-color: var(--primary-color);
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        .stat-label {
            color: var(--text-color);
            font-size: 1.1rem;
        }
        .featured-image {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 12px;
            margin: 30px 0;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: scale(1.01);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #6b7280;
            margin-top: 10px;
        }
        .interactive-section {
            background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
            padding: 30px;
            border-radius: 12px;
            margin: 40px 0;
        }
        .rating-container {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 600px;
            margin: 0 auto;
        }
        .stars {
            display: flex;
            gap: 10px;
            justify-content: center;
            direction: rtl;
        }
        .star {
            font-size: 2.5rem;
            color: #d1d5db;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star:hover ~ .star,
        .star.selected {
            color: var(--secondary-color);
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid #d1d5db;
            border-radius: var(--border-radius);
            min-height: 150px;
            resize: vertical;
            transition: var(--transition);
        }
        .comment-form textarea:focus {
            outline: none;
            border-color: var(--primary-color);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text-color);
        }
        .form-input {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #d1d5db;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .form-input:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
        }
        .submit-btn {
            background: var(--accent-color);
            color: var(--white);
            border: none;
            padding: 15px 30px;
            border-radius: var(--border-radius);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .submit-btn:hover {
            background: #047857;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(5, 150, 105, 0.3);
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        .web-link {
            background: var(--white);
            padding: 20px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
            border-color: var(--primary-color);
        }
        .web-link a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            display: block;
            padding: 10px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .web-link a:hover {
            background: var(--light-bg);
            padding-left: 15px;
        }
        footer {
            background: #1f2937;
            color: var(--white);
            padding: 50px 20px 20px;
        }
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: var(--white);
            border-bottom: 2px solid var(--secondary-color);
            padding-bottom: 15px;
            margin-bottom: 25px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #d1d5db;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #374151;
            color: #9ca3af;
            font-size: 0.9rem;
        }
        @media (max-width: 1024px) {
            .header-container {
                flex-wrap: wrap;
            }
            .search-container {
                order: 3;
                width: 100%;
                margin-top: 15px;
            }
            .search-input {
                width: 100%;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: var(--white);
                box-shadow: var(--shadow);
                padding: 20px;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                z-index: 999;
            }
            nav.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .nav-links {
                flex-direction: column;
                gap: 15px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .article-container {
                padding: 25px;
            }
            .featured-image {
                height: 250px;
            }
        }
        @media (max-width: 480px) {
            .logo {
                font-size: 1.8rem;
            }
            .stat-number {
                font-size: 2rem;
            }
            .stars .star {
                font-size: 2rem;
            }
            .web-links {
                grid-template-columns: 1fr;
            }
        }
        @media print {
            .interactive-section,
            .search-container,
            .hamburger,
            footer {
                display: none;
            }
            body {
                background: var(--white);
                color: #000;
            }
            .article-container {
                box-shadow: none;
                padding: 0;
            }
            a {
                color: #000;
                text-decoration: underline;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                transition: none !important;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .term-highlight {
            background: #f0f9ff;
            padding: 2px 6px;
            border-radius: 4px;
            font-weight: 600;
            color: var(--primary-color);
        }
        .note-box {
            background: #f0fdf4;
            border: 2px solid var(--accent-color);
            padding: 20px;
            border-radius: var(--border-radius);
            margin: 25px 0;
        }
        .note-title {
            color: var(--accent-color);
            font-weight: 700;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .quote {
            border-left: 4px solid var(--secondary-color);
            padding-left: 25px;
            margin: 30px 0;
            font-style: italic;
            color: #4b5563;
        }
        .author {
            text-align: right;
            font-weight: 600;
            color: var(--text-color);
            margin-top: 10px;
        }
        .tip-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        .tip-card {
            background: var(--white);
            border: 2px solid #e5e7eb;
            border-radius: var(--border-radius);
            padding: 25px;
            transition: var(--transition);
        }
        .tip-card:hover {
            border-color: var(--primary-color);
            transform: translateY(-5px);
        }
        .tip-icon {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 15px;
        }
        .loading {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid #f3f3f3;
            border-top: 3px solid var(--primary-color);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }