@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        padding: 50px 5%;
    }
    
    .hero-content {
        margin-bottom: 40px;
    }
    
    .registration-form {
        width: 100%;
        max-width: 480px;
        margin: 0 auto;
    }
    
    .service-card, .testimonial-card, .country-card {
        transform: none !important;
    }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        padding: 15px 5%;
    }
    
    .logo {
        margin-bottom: 15px;
    }
    
    nav {
        margin: 10px 0;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .comparison-table {
        overflow-x: auto;
    }
    
    .services-grid, .testimonials-grid, .countries-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 28px;
    }
    
    .registration-form {
        padding: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* Loading Animation */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #008B8B;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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