/* contact.css */
* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            color: #333;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            max-width: 1400px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .logo-image {
            flex-shrink: 0;
            display: flex;
            align-items: center;
        }

        .nav-links {
            margin-left: 60px;
            display: flex;
            list-style: none;
            gap: 30px;
            flex-grow: 1;
            justify-content: center;
        }

        .nav-links a {
            text-decoration: none;
            color: #4b5563;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .nav-links a:hover, .nav-links a.active {
            color: #2563eb;
        }

        .auth-buttons {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn {
            padding: 10px 20px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 500;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            text-align: center;
            font-size: 14px;
        }

        .btn-primary {
            background: #2563eb;
            color: white;
        }

        .btn-primary:hover {
            background: #1d4ed8;
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: transparent;
            color: #6b7280;
            border: 2px solid #e5e7eb;
        }

        .btn-secondary:hover {
            background: #f3f4f6;
        }

        /* Hero Section */
        .hero {
            padding: 120px 0 80px;
            text-align: center;
            color: white;
            position: relative;
            background-image: url('/NET4CLEANAIR/client/images/sky.jpg'); /* <-- absolute path */
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(128, 128, 128, 0.2);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        .hero p {
            font-size: 20px;
            margin-bottom: 40px;
            opacity: 0.9;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Main Content */
        .main-content {
            background: white;
            min-height: calc(100vh - 200px);
            padding: 60px 0;
        }

        .content-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .content-header h2 {
            font-size: 36px;
            color: #1f2937;
            margin-bottom: 15px;
        }

        .content-header p {
            font-size: 18px;
            color: #6b7280;
            max-width: 600px;
            margin: 0 auto;
        }

        /* Contact Content */
        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            margin-top: 40px;
        }

        /* Contact Form */
        .contact-form-section {
            background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .contact-form-section h3 {
            color: #1f2937;
            font-size: 24px;
            margin-bottom: 30px;
            text-align: center;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .form-group {
            margin-bottom: 25px;
        }

        .form-group label {
            display: block;
            font-weight: 600;
            color: #374151;
            margin-bottom: 8px;
            font-size: 15px;
        }

        .form-input, .form-textarea, .form-select {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid #e5e7eb;
            border-radius: 12px;
            font-size: 16px;
            transition: all 0.3s ease;
            background: #fafafa;
            font-family: inherit;
        }

        .form-input:focus, .form-textarea:focus, .form-select:focus {
            outline: none;
            border-color: #2563eb;
            background: white;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }

        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .submit-btn {
            width: 100%;
            padding: 16px;
            background: #2563eb;
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 10px;
        }

        .submit-btn:hover {
            background: #1d4ed8;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
        }

        /* Contact Information */
        .contact-info-section {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .info-card {
            background: white;
            padding: 30px;
            border-radius: 16px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 2px solid transparent;
        }

        .info-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
            border-color: #e0f2fe;
        }

        .info-card-header {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            gap: 15px;
        }

        .info-icon {
            width: 50px;
            height: 50px;
            background: white;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: white;
        }

        .info-card h4 {
            font-size: 20px;
            color: #1f2937;
            font-weight: 600;
        }

        .info-card p {
            color: #6b7280;
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .info-card a {
            color: #2563eb;
            text-decoration: none;
            font-weight: 500;
        }

        .info-card a:hover {
            text-decoration: underline;
        }

        /* Business Hours */
        .hours-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            margin-top: 10px;
        }

        .hours-item {
            display: flex;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px solid #f1f5f9;
        }

        .hours-item:last-child {
            border-bottom: none;
        }

        .hours-day {
            font-weight: 500;
            color: #374151;
        }

        .hours-time {
            color: #6b7280;
        }

        /* Map Section */
        .map-section {
            margin-top: 60px;
            background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            text-align: center;
        }

        .map-section h3 {
            color: #1f2937;
            font-size: 24px;
            margin-bottom: 20px;
            font-weight: 600;
        }

        .map-placeholder {
            width: 100%;
            height: 400px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            position: relative;
            align-items: center;
            justify-content: center;
            color: #64748b;
            font-size: 18px;
            border: 2px dashed #94a3b8;
        }
        .map-placeholder iframe {
            width: 100%;
            height: 100%;
            border: 0;
            display: block;
        }

        /* Success Message */
        .success-message {
            display: none;
            background: #dcfce7;
            color: #166534;
            padding: 15px 20px;
            border-radius: 12px;
            margin-top: 20px;
            border: 1px solid #bbf7d0;
        }

        .success-message.show {
            display: block;
            animation: slideIn 0.3s ease;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

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

            .hero h1 {
                font-size: 32px;
            }

            .hero p {
                font-size: 16px;
            }

            .contact-container {
                grid-template-columns: 1fr;
                gap: 40px;
            }

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

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

            .info-card {
                padding: 20px;
            }
            .error-message {
    display: none;
    background: #fef2f2;
    color: #dc2626;
    padding: 15px 20px;
    border-radius: 12px;
    margin-top: 20px;
    border: 1px solid #fecaca;
}

.error-message.show {
    display: block;
    animation: slideIn 0.3s ease;
}

/* Button disabled state */
.submit-btn:disabled {
    background: #9ca3af;
    cursor: not-allowed;
    transform: none;
}

.submit-btn:disabled:hover {
    background: #9ca3af;
    transform: none;
    box-shadow: none;
}
        }