:root {
            --primary-color: #2563eb;
            --primary-dark: #1d4ed8;
            --secondary-color: #64748b;
            --success-color: #10b981;
            --danger-color: #ef4444;
            --warning-color: #f59e0b;
            --info-color: #0ea5e9;
            --light-color: #f8fafc;
            --dark-color: #1e293b;
            --border-color: #e2e8f0;
            --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --hover-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --gradient-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --contact-gradient: linear-gradient(135deg, #0ea5e9 0%, #2563eb 100%);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        
        body {
            background-color: #f1f5f9;
            color: var(--dark-color);
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Header */
        .header {
            background: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }
        
        .logo-icon {
            font-size: 28px;
            color: var(--primary-color);
        }
        
        .logo-text {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark-color);
        }
        
        .nav-links {
            display: flex;
            gap: 24px;
            align-items: center;
        }
        
        .nav-link {
            color: var(--secondary-color);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.2s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        
        .nav-link:hover {
            color: var(--primary-color);
        }
        
        .nav-link.active {
            color: var(--primary-color);
            font-weight: 600;
        }
        
        .user-info {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        
        .user-greeting {
            color: var(--secondary-color);
            font-size: 14px;
        }
        
        .btn {
            padding: 8px 20px;
            border-radius: 6px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
            cursor: pointer;
        }
        
        .btn-primary {
            background-color: var(--primary-color);
            color: white;
        }
        
        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-1px);
        }
        
        .btn-secondary {
            background-color: var(--light-color);
            color: var(--dark-color);
            border: 1px solid var(--border-color);
        }
        
        .btn-secondary:hover {
            background-color: #e2e8f0;
        }
        
        /* Hero Section */
        .hero {
            background: var(--contact-gradient);
            color: white;
            padding: 80px 0;
            margin-bottom: 60px;
            border-radius: 0 0 20px 20px;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
        }
        
        .hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
        }
        
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 1;
        }
        
        .hero-icon {
            font-size: 64px;
            margin-bottom: 24px;
            opacity: 0.9;
        }
        
        .hero-title {
            font-size: 48px;
            font-weight: 800;
            margin-bottom: 20px;
        }
        
        .hero-description {
            font-size: 20px;
            opacity: 0.9;
            margin-bottom: 40px;
            line-height: 1.6;
        }
        
        /* Main Content */
        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            margin-bottom: 80px;
        }
        
        /* Form Section */
        .form-section {
            background: white;
            border-radius: 20px;
            padding: 50px;
            box-shadow: var(--card-shadow);
        }
        
        .section-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 30px;
            color: var(--dark-color);
        }
        
        .form-group {
            margin-bottom: 25px;
        }
        
        .form-label {
            display: block;
            margin-bottom: 10px;
            font-weight: 600;
            color: var(--dark-color);
            font-size: 15px;
        }
        
        .input-with-icon {
            position: relative;
        }
        
        .input-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--secondary-color);
            font-size: 18px;
        }
        
        input[type="text"],
        input[type="email"],
        textarea {
            width: 100%;
            padding: 16px 16px 16px 50px;
            border: 2px solid var(--border-color);
            border-radius: 10px;
            font-size: 16px;
            transition: all 0.3s;
            background-color: var(--light-color);
            font-family: inherit;
        }
        
        textarea {
            min-height: 150px;
            resize: vertical;
            padding: 16px;
        }
        
        textarea.with-icon {
            padding-left: 50px;
        }
        
        input[type="text"]:focus,
        input[type="email"]:focus,
        textarea:focus {
            outline: none;
            border-color: var(--info-color);
            background-color: white;
            box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
        }
        
        /* Messages */
        .error-message {
            background-color: #fee2e2;
            color: #991b1b;
            padding: 16px;
            border-radius: 10px;
            margin-bottom: 24px;
            border-left: 4px solid var(--danger-color);
            display: flex;
            align-items: center;
            gap: 12px;
            animation: slideIn 0.3s ease;
        }
        
        .success-message {
            background-color: #dcfce7;
            color: #166534;
            padding: 16px;
            border-radius: 10px;
            margin-bottom: 24px;
            border-left: 4px solid var(--success-color);
            display: flex;
            align-items: center;
            gap: 12px;
            animation: slideIn 0.3s ease;
        }
        
        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .error-message i,
        .success-message i {
            font-size: 20px;
        }
        
        /* Button */
        .btn-submit {
            width: 100%;
            padding: 18px;
            background: var(--info-color);
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 18px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            margin-top: 10px;
        }
        
        .btn-submit:hover {
            background: #0284c7;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(14, 165, 233, 0.3);
        }
        
        /* Info Section */
        .info-section {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        
        .info-card {
            background: white;
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--card-shadow);
            transition: all 0.3s;
        }
        
        .info-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--hover-shadow);
        }
        
        .info-icon {
            font-size: 48px;
            color: var(--info-color);
            margin-bottom: 20px;
        }
        
        .info-title {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--dark-color);
        }
        
        .info-description {
            color: var(--secondary-color);
            line-height: 1.6;
            margin-bottom: 20px;
        }
        
        .info-details {
            list-style: none;
        }
        
        .info-details li {
            margin-bottom: 12px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--secondary-color);
        }
        
        .info-details i {
            color: var(--info-color);
            margin-top: 3px;
        }
        
        /* FAQ Section */
        .faq-section {
            margin-bottom: 80px;
        }
        
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 25px;
            margin-top: 30px;
        }
        
        .faq-card {
            background: white;
            border-radius: 14px;
            padding: 30px;
            box-shadow: var(--card-shadow);
            transition: all 0.3s;
            border-left: 4px solid var(--info-color);
        }
        
        .faq-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--hover-shadow);
        }
        
        .faq-question {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 15px;
            color: var(--dark-color);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .faq-answer {
            color: var(--secondary-color);
            line-height: 1.6;
        }
        
        /* Map Section */
        .map-section {
            margin-bottom: 80px;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
        }
        
        .map-placeholder {
            background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
            height: 400px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: var(--dark-color);
            text-align: center;
            padding: 40px;
        }
        
        .map-placeholder i {
            font-size: 64px;
            margin-bottom: 20px;
            color: var(--info-color);
            opacity: 0.8;
        }
        
        .map-placeholder h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        
        /* Footer */
        .footer {
            background: var(--dark-color);
            color: white;
            padding: 60px 0 40px;
            margin-top: 80px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-column h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 24px;
            color: white;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 12px;
        }
        
        .footer-links a {
            color: #cbd5e1;
            text-decoration: none;
            transition: color 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .footer-links a:hover {
            color: white;
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 14px;
        }
        
        .social-links {
            display: flex;
            gap: 16px;
            margin-top: 20px;
        }
        
        .social-link {
            color: white;
            background: rgba(255, 255, 255, 0.1);
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            text-decoration: none;
            transition: all 0.2s;
        }
        
        .social-link:hover {
            background: var(--info-color);
            transform: translateY(-2px);
        }
        
        /* Responsive */
        @media (max-width: 992px) {
            .contact-container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .hero-title {
                font-size: 36px;
            }
            
            .hero-description {
                font-size: 18px;
            }
        }
        
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                gap: 16px;
            }
            
            .nav-links {
                flex-wrap: wrap;
                justify-content: center;
            }
            
            .form-section {
                padding: 30px;
            }
            
            .info-card {
                padding: 30px;
            }
            
            .faq-grid {
                grid-template-columns: 1fr;
            }
            
            .hero {
                padding: 60px 0;
            }
        }
        
        @media (max-width: 576px) {
            .hero-title {
                font-size: 28px;
            }
            
            .section-title {
                font-size: 26px;
            }
            
            .form-section {
                padding: 20px;
            }
        }
        
        /* Loading Animation */
        .loading {
            display: none;
        }
        
        .loading.active {
            display: inline-block;
            animation: spin 1s linear infinite;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        /* Character Counter */
        .char-counter {
            text-align: right;
            font-size: 12px;
            color: var(--secondary-color);
            margin-top: 5px;
        }
        
        .char-counter.warning {
            color: var(--warning-color);
        }
        
        .char-counter.error {
            color: var(--danger-color);
        }