:root {
            --primary: #F96900;
            --primary-light: #FF8533;
            --primary-dark: #CC5500;
            --secondary: #65DEF1;
            --secondary-light: #8BE7F5;
            --secondary-dark: #3BBCCE;
            --dark: #1A1A1A;
            --dark-light: #2D2D2D;
            --white: #FFFFFF;
            --gray-100: #F8F9FA;
            --gray-200: #E9ECEF;
            --gray-300: #DEE2E6;
            --gray-400: #CED4DA;
            --gray-500: #ADB5BD;
            --gray-600: #6C757D;
            --gray-700: #495057;
            --gray-800: #343A40;
            --success: #28A745;
            --warning: #FFC107;
            --danger: #DC3545;
            --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            --gradient-secondary: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
            --gradient-hero: #F96900;
            --gradient-dark: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.16);
            --shadow-xl: 0 24px 64px rgba(0,0,0,0.20);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: var(--white);
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Navigation */
        #navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
            padding: 1rem 0;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-sm);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 100%;
            margin: 0;
            width: 100%;
            padding: 0 2rem;
        }

        .logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            letter-spacing: -0.02em;
            transition: all 0.3s ease;
            flex-shrink: 0;
        }

        .logo:hover {
            transform: scale(1.05);
        }

        .nav-links {
            display: flex;
            gap: 1rem;
            list-style: none;
            align-items: center;
            margin: 0;
            padding: 0;
            margin-left: auto;
        }

        .nav-links li {
            margin: 0;
        }

        .nav-links a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-md);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }

        /* Navigation Dropdown */
        .dropdown {
            position: relative;
        }

        .dropdown-toggle {
            cursor: pointer;
            user-select: none;
        }

        .dropdown-arrow {
            margin-left: 0.5rem;
            font-size: 0.8rem;
            transition: transform 0.3s ease;
        }

        .dropdown.active .dropdown-arrow {
            transform: rotate(180deg);
        }

        .dropdown-menu {
            position: absolute;
            top: calc(100% + 0.5rem);
            right: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(0, 0, 0, 0.08);
            min-width: 200px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s ease;
            z-index: 1000;
            list-style: none;
            padding: 0.5rem 0;
            margin: 0;
        }

        .dropdown.active .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .dropdown-menu li {
            margin: 0;
            width: 100%;
        }

        .dropdown-menu a {
            display: flex;
            align-items: center;
            padding: 0.75rem 1.25rem;
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            border-radius: 0;
            white-space: nowrap;
            font-size: 0.95rem;
            position: relative;
            overflow: hidden;
        }

        .dropdown-menu a::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: var(--gradient-primary);
            transition: left 0.3s ease;
            z-index: -1;
        }

        .dropdown-menu a:hover::before {
            left: 0;
        }

        .dropdown-menu a:hover {
            background: transparent;
            color: var(--white);
            transform: translateX(4px);
        }

        .nav-links a::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: var(--gradient-primary);
            transition: left 0.3s ease;
            z-index: -1;
        }

        .nav-links a:hover::before {
            left: 0;
        }

        .nav-links a:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            color: var(--white);
        }

        /* Hero Section */
        .hero {
            padding: 8rem 2rem 4rem;
            text-align: center;
            position: relative;
            background: linear-gradient(135deg, rgba(249, 105, 0, 0.02) 0%, rgba(101, 222, 241, 0.02) 100%);
            margin-top: 60px;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: radial-gradient(circle at 20% 50%, rgba(249, 105, 0, 0.05) 0%, transparent 50%),
                              radial-gradient(circle at 80% 80%, rgba(101, 222, 241, 0.05) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .hero h1 {
            font-size: clamp(3rem, 8vw, 4rem);
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 1.5rem;
            background: var(--gradient-hero);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.02em;
            animation: fadeInUp 1s ease-out;
        }

        .hero p {
            font-size: 1.25rem;
            color: var(--gray-600);
            margin-bottom: 3rem;
            opacity: 0;
            animation: fadeInUp 1s ease-out 0.2s forwards;
        }

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

        /* Main Contact Section */
        .contact-main {
            padding: 4rem 2rem;
            background: var(--white);
        }

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

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 3rem;
            align-items: start;
        }

        /* Contact Information */
        .contact-info {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(0, 0, 0, 0.08);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            box-shadow: var(--shadow-lg);
            position: sticky;
            top: 100px;
        }

        .contact-info::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-secondary);
            border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        }

        .contact-info h3 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 2rem;
            color: var(--dark);
        }

        .contact-item {
            display: flex;
            gap: 1.5rem;
            margin-bottom: 2rem;
            padding: 1.5rem;
            border-radius: var(--radius-md);
            transition: all 0.3s ease;
            background: rgba(101, 222, 241, 0.05);
            border: 1px solid transparent;
        }

        .contact-item:hover {
            background: rgba(101, 222, 241, 0.1);
            border-color: rgba(101, 222, 241, 0.2);
            transform: translateY(-2px);
        }

        .contact-icon {
            width: 50px;
            height: 50px;
            background: var(--gradient-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 1.25rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-sm);
        }

        .contact-details h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--dark);
        }

        .contact-details p {
            color: var(--gray-600);
            margin: 0.25rem 0;
            font-size: 0.95rem;
        }

        .contact-details a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .contact-details a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        /* Contact Form */
        .contact-form {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(0, 0, 0, 0.08);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .contact-form::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-primary);
        }

        .contact-form h3 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 2rem;
            color: var(--dark);
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark);
            font-size: 0.95rem;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 0.875rem 1rem;
            border: 2px solid var(--gray-300);
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-family: 'Inter', sans-serif;
            transition: all 0.3s ease;
            background: var(--white);
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 4px rgba(101, 222, 241, 0.1);
            transform: translateY(-1px);
        }

        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }

        .submit-btn {
            background: var(--gradient-primary);
            color: var(--white);
            border: none;
            border-radius: var(--radius-md);
            padding: 1rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
            width: 100%;
        }

        .submit-btn::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: width 0.6s ease, height 0.6s ease;
        }

        .submit-btn:hover::before {
            width: 300px;
            height: 300px;
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .submit-btn:disabled {
            background: var(--gray-400);
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .loading-spinner {
            display: none;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-top: 2px solid var(--white);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Alert Container */
        #alert-container {
            margin-bottom: 1.5rem;
        }

        .alert {
            padding: 1rem 1.25rem;
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            animation: slideIn 0.4s ease-out;
        }

        .alert-success {
            background: linear-gradient(135deg, rgba(40, 167, 69, 0.1) 0%, rgba(40, 167, 69, 0.05) 100%);
            border: 1px solid rgba(40, 167, 69, 0.2);
            color: var(--success);
        }

        .alert-error {
            background: linear-gradient(135deg, rgba(220, 53, 69, 0.1) 0%, rgba(220, 53, 69, 0.05) 100%);
            border: 1px solid rgba(220, 53, 69, 0.2);
            color: var(--danger);
        }

        /* FAQ Section */
        .faq {
            padding: 4rem 2rem;
            background: linear-gradient(135deg, rgba(249, 105, 0, 0.02) 0%, rgba(101, 222, 241, 0.02) 100%);
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-header h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            background: var(--gradient-hero);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-header p {
            color: var(--gray-600);
            font-size: 1.1rem;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 1.5rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(0, 0, 0, 0.08);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .faq-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(101, 222, 241, 0.05), transparent);
            transition: left 0.5s ease;
        }

        .faq-item:hover::before {
            left: 100%;
        }

        .faq-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--secondary);
        }

        .faq-question {
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .faq-question i {
            color: var(--primary);
            font-size: 1.25rem;
        }

        .faq-answer {
            color: var(--gray-600);
            line-height: 1.6;
            font-size: 0.95rem;
        }

        /* Loading animation */
        .loading {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 0.6s ease-out forwards;
        }

        .loading:nth-child(1) { animation-delay: 0.1s; }
        .loading:nth-child(2) { animation-delay: 0.2s; }
        .loading:nth-child(3) { animation-delay: 0.3s; }
        .loading:nth-child(4) { animation-delay: 0.4s; }
        .loading:nth-child(5) { animation-delay: 0.5s; }
        .loading:nth-child(6) { animation-delay: 0.6s; }

        /* Responsive Design */
        @media (max-width: 968px) {
            .contact-grid {
                grid-template-columns: 1fr;
            }

            .contact-info {
                position: static;
            }

            .form-row {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }

            .hero {
                padding: 6rem 1rem 3rem;
            }

            .contact-main,
            .faq {
                padding: 3rem 1rem;
            }

            .contact-info,
            .contact-form {
                padding: 2rem 1.5rem;
            }

            .nav-links {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(25px);
                flex-direction: column;
                gap: 0;
                padding: 1rem 0;
                box-shadow: var(--shadow-md);
                transform: translateY(-10px);
                opacity: 0;
                visibility: hidden;
                transition: all 0.3s ease;
                border-top: 1px solid rgba(0, 0, 0, 0.08);
            }

            .nav-links.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .nav-links li {
                width: 100%;
            }

            .nav-links a {
                width: 100%;
                padding: 1rem 2rem;
                border-radius: 0;
                justify-content: flex-start;
            }
        }

        @media (max-width: 480px) {
            .logo {
                font-size: 1.5rem;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .contact-item {
                flex-direction: column;
                text-align: center;
            }

            .faq-item {
                padding: 1.25rem;
            }
        }