* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        :root {
            --primary: #00aaff;
            --secondary: #0077cc;
            --background: #f5f9ff;
            --text: #1e293b;
            --accent: #16a34a;
            --white: #ffffff;
            --shadow: 0 10px 30px rgba(0, 119, 204, 0.2);
            --card-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
            --gray: #64748b;
            --light-gray: #f1f5f9;
            --warning: #f59e0b;
            --error: #ef4444;
        }

        [data-theme="dark"] {
            --background: #0f172a;
            --text: #f1f5f9;
            --white: #1e293b;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            --card-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
            --gray: #94a3b8;
            --light-gray: #334155;
        }

        body {
            background-color: var(--background);
            color: var(--text);
            min-height: 100vh;
            transition: all 0.3s ease;
            line-height: 1.6;
        }

        /* Smooth Scrolling */
        html {
            scroll-behavior: smooth;
        }

        /* Navbar Styles */
        .navbar {
            background-color: var(--white);
            box-shadow: var(--shadow);
            padding: 15px 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .navbar.scrolled {
            padding: 10px 5%;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }

        .logo {
            display: flex;
            align-items: center;
        }

        .logo-icon {
            font-size: 28px;
            color: var(--primary);
            margin-right: 10px;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        .logo-text {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
        }

        .nav-controls {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .nav-links {
            display: flex;
            gap: 30px;
            align-items: center;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text);
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s ease;
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--primary);
        }

        .nav-links a.active::after {
            width: 100%;
        }

        .btn {
            padding: 12px 24px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            text-decoration: none;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .btn-primary {
            background-color: var(--primary);
            color: white;
        }

        .btn-primary:hover {
            background-color: var(--secondary);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 170, 255, 0.4);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background-color: var(--primary);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 170, 255, 0.3);
        }

        .menu-toggle {
            display: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--text);
            background: none;
            border: none;
            transition: transform 0.3s ease;
        }

        .menu-toggle:hover {
            transform: rotate(90deg);
        }

        /* Mobile Navigation */
        .mobile-nav {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background: var(--white);
            box-shadow: var(--shadow);
            padding: 20px;
            display: none;
            flex-direction: column;
            gap: 15px;
            z-index: 999;
            transform: translateY(-20px);
            opacity: 0;
            transition: all 0.3s ease;
        }

        .mobile-nav.active {
            display: flex;
            transform: translateY(0);
            opacity: 1;
        }

        .mobile-nav a {
            text-decoration: none;
            color: var(--text);
            font-weight: 500;
            padding: 12px 15px;
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            background-color: var(--background);
            color: var(--primary);
            transform: translateX(5px);
        }

        /* Hero Section */
        .faq-hero {
            padding: 160px 5% 80px;
            background: linear-gradient(135deg, var(--background) 0%, #e0f2ff 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        [data-theme="dark"] .faq-hero {
            background: linear-gradient(135deg, var(--background) 0%, #1e3a5f 100%);
        }

        .faq-hero-content {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
            animation: fadeInUp 1s ease;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .faq-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 20px;
            box-shadow: 0 4px 15px rgba(0, 170, 255, 0.3);
        }

        .faq-title {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 20px;
            line-height: 1.2;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .faq-subtitle {
            font-size: 1.25rem;
            color: var(--gray);
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Search Section */
        .search-section {
            padding: 60px 5%;
            background: var(--white);
        }

        .search-container {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .search-box {
            position: relative;
            max-width: 600px;
            margin: 0 auto 30px;
        }

        .search-input {
            width: 100%;
            padding: 18px 60px 18px 25px;
            border: 2px solid var(--light-gray);
            border-radius: 50px;
            font-size: 16px;
            transition: all 0.3s ease;
            background: var(--white);
            color: var(--text);
            box-shadow: var(--card-shadow);
        }

        .search-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 170, 255, 0.1);
        }

        .search-icon {
            position: absolute;
            right: 25px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--gray);
            font-size: 20px;
        }

        .search-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .search-tag {
            background: var(--background);
            color: var(--text);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 1px solid var(--light-gray);
        }

        .search-tag:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-2px);
        }

        /* FAQ Categories */
        .faq-categories {
            padding: 40px 5% 20px;
            background: var(--background);
        }

        .categories-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .categories-title {
            text-align: center;
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 30px;
            color: var(--text);
        }

        .categories-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 15px;
        }

        .category-card {
            background: var(--white);
            border-radius: 12px;
            padding: 20px 15px;
            text-align: center;
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
            cursor: pointer;
            border: 2px solid transparent;
        }

        .category-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }

        .category-card.active {
            border-color: var(--primary);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
        }

        .category-card.active .category-icon,
        .category-card.active .category-count {
            color: white;
        }

        .category-icon {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 12px;
            transition: all 0.3s ease;
        }

        .category-title {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .category-count {
            color: var(--gray);
            font-size: 0.8rem;
        }

        /* FAQ Section */
        .faq-section {
            padding: 80px 5%;
            background: var(--white);
        }

        .faq-container {
            max-width: 1000px;
            margin: 0 auto;
        }

        .faq-category-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 40px;
            text-align: center;
            position: relative;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
        }

        .faq-category-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(to right, var(--primary), var(--accent));
            border-radius: 2px;
        }

        .faq-items {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background: var(--background);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
            border: 1px solid var(--light-gray);
        }

        .faq-item:hover {
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }

        .faq-question {
            padding: 25px 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .faq-question:hover {
            background: rgba(0, 170, 255, 0.05);
        }

        .question-text {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
            flex: 1;
        }

        .faq-icon {
            color: var(--primary);
            font-size: 20px;
            transition: all 0.3s ease;
            margin-left: 20px;
        }

        .faq-answer {
            padding: 0 30px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease;
            background: var(--white);
        }

        .faq-answer-content {
            padding: 0 0 25px;
            color: var(--gray);
            line-height: 1.7;
        }

        .faq-answer-content ul {
            margin: 15px 0;
            padding-left: 20px;
        }

        .faq-answer-content li {
            margin-bottom: 8px;
        }

        .faq-item.active .faq-answer {
            max-height: 1000px;
            padding: 0 30px;
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        /* Contact CTA */
        .contact-cta {
            padding: 100px 5%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            text-align: center;
        }

        .contact-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .contact-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .contact-subtitle {
            font-size: 1.1rem;
            margin-bottom: 50px;
            opacity: 0.9;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .contact-methods {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 50px;
        }

        .contact-method {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 40px 30px;
            text-align: center;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
            min-height: 280px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .contact-method:hover {
            transform: translateY(-10px);
            background: rgba(255, 255, 255, 0.2);
        }

        .contact-icon {
            font-size: 48px;
            margin-bottom: 25px;
            opacity: 0.9;
        }

        .contact-method-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 15px;
        }

        .contact-method-desc {
            opacity: 0.8;
            margin-bottom: 20px;
            font-size: 1rem;
        }

        .contact-link {
            color: white;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            font-size: 1.1rem;
        }

        .contact-link:hover {
            color: var(--light-gray);
            text-decoration: underline;
        }

        /* Footer */
        .footer {
            background-color: var(--white);
            padding: 30px 5%;
            border-top: 1px solid var(--light-gray);
        }

        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 30px;
        }

        .footer-section {
            flex: 1;
            min-width: 200px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }

        .footer-logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
        }

        .footer-description {
            color: var(--gray);
            margin-bottom: 15px;
            line-height: 1.6;
        }

        .social-links {
            display: flex;
            gap: 15px;
        }

        .social-link {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--light-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text);
            transition: all 0.3s ease;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        }

        .social-link:hover {
            background-color: var(--primary);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 8px 15px rgba(0, 170, 255, 0.3);
        }

        .footer-heading {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 15px;
            color: var(--text);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--gray);
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--primary);
            transform: translateX(5px);
        }

        .footer-bottom {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid var(--light-gray);
            text-align: center;
            color: var(--gray);
        }

        /* Scroll to Top Button */
        .scroll-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0, 170, 255, 0.3);
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
        }

        .scroll-to-top.active {
            opacity: 1;
            visibility: visible;
        }

        .scroll-to-top:hover {
            background: var(--secondary);
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 170, 255, 0.4);
        }

        /* Mobile Responsiveness */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .menu-toggle {
                display: block;
            }

            .faq-hero {
                padding: 140px 4% 60px;
            }

            .faq-title {
                font-size: 2.5rem;
            }

            .categories-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .faq-question {
                padding: 20px;
            }

            .question-text {
                font-size: 1rem;
            }

            .faq-answer-content {
                padding: 0 0 20px;
            }

            .contact-methods {
                grid-template-columns: 1fr;
            }

            .contact-title {
                font-size: 2rem;
            }

            .contact-method {
                min-height: 250px;
                padding: 30px 20px;
            }
        }

        @media (max-width: 480px) {
            .faq-title {
                font-size: 2rem;
            }

            .categories-grid {
                grid-template-columns: 1fr;
            }

            .search-tags {
                justify-content: flex-start;
            }

            .faq-category-title {
                font-size: 1.5rem;
            }

            .contact-method {
                min-height: 220px;
                padding: 25px 15px;
            }
        }