/* Preloader */
        #preloader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #000000ad;
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 9999;
            transition: opacity 0.5s ease;
        }
        .loader {
            border: 8px solid #f3f3f3;
            border-top: 8px solid #000000ad;
            border-radius: 50%;
            width: 60px;
            height: 60px;
            animation: spin 1s linear infinite;
        }
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        /* Fade-in animation */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }
        /* Hover scale effect */
        .hover-scale {
            transition: transform 0.3s ease;
        }
        .hover-scale:hover {
            transform: scale(1.05);
        }
        /* Parallax effect */
        .parallax {
            background-attachment: fixed;
            background-size: cover;
            background-position: center;
        }
        /* Hero Section with static sky and truck image */
        #home {
            position: relative;
            height: 75vh;
            background: url('') no-repeat center center/cover;
        }
        .animated-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
        }
        /* Mobile menu */
        #mobile-menu {
            transform: translateX(100%);
            transition: transform 0.3s ease;
        }
        #mobile-menu.open {
            transform: translateX(0);
        }
        /* Form styles */
        .custom-form {
            background: #fff;
            padding: 2rem;
            border-radius: 8px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
            max-width: 600px;
            margin: 0 auto;
        }
        .custom-form h2 {
            font-size: 1.5rem;
            font-weight: bold;
            margin-bottom: 0.5rem;
        }
        .custom-form p {
            color: #666;
            margin-bottom: 1.5rem;
        }
        .custom-form input, .custom-form textarea {
            width: 100%;
            padding: 0.75rem;
            margin-bottom: 1rem;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
        }
        .custom-form textarea {
            resize: none;
            height: 100px;
        }
        .custom-form .captcha {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1rem;
        }
        .custom-form .captcha input[type="checkbox"] {
            width: auto;
        }
        .custom-form button {
            background: #28a745;
            color: #fff;
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: 4px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s ease;
            width: 100%;
        }
        .custom-form button:hover {
            background: #218838;
        }
        /* Responsive adjustments */
        @media (max-width: 768px) {
            .plane { width: 60px; }
            .truck { width: 80px; }
            .hero-content h1 { font-size: 2.5rem; }
            .hero-content p { font-size: 1rem; }
            .stats-grid { grid-template-columns: 1fr; }
            .custom-form { padding: 1.5rem; }
        }
        @media (max-width: 640px) {
            .hero-content h1 { font-size: 2rem; }
            .hero-content p { font-size: 0.9rem; }
        }