/* ====================================
   MOBILE STYLES - Up to 767px
   ==================================== */

@media (max-width: 767px) {
    /* Typography */
    h1, .h1 {
        font-size: var(--font-size-4xl);
    }
    
    h2, .h2 {
        font-size: var(--font-size-3xl);
    }
    
    h3, .h3 {
        font-size: var(--font-size-xl);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .page-hero h1 {
        font-size: var(--font-size-4xl);
    }
    
    .page-hero p {
        font-size: var(--font-size-base);
    }
    
    /* Container */
    .container {
        padding: 0 var(--space-4);
    }
    
    /* Header */
    .header-wrapper {
        height: 60px;
    }
    
    .logo img {
        width: 120px;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .main-navigation {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--black);
        padding: var(--space-20) var(--space-4) var(--space-4);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        z-index: var(--z-fixed);
    }
    
    .main-navigation.active {
        transform: translateX(0);
    }
    
    .nav-menu {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .nav-link {
        font-size: var(--font-size-lg);
        display: block;
        padding: var(--space-3) 0;
    }
    
    .has-dropdown .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: var(--gray-900);
        margin-top: var(--space-2);
        padding: var(--space-2) 0;
    }
    
    /* Grid Systems */
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-bottom-links {
        justify-content: center;
    }
    
    /* Course Card */
    .course-meta {
        flex-wrap: wrap;
    }
    
    .course-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-4);
    }
    
    .course-price {
        font-size: var(--font-size-lg);
    }
    
    /* Service Card */
    .service-card {
        padding: var(--space-6);
    }
    
    /* Hero Section */
    .hero-grid {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        margin-bottom: var(--space-8);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    /* Forms */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-cards {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    /* Modal */
    .modal-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        padding: var(--space-6);
    }
    
    /* Quiz */
    .quiz-options {
        grid-template-columns: 1fr;
    }
    
    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    /* Tables */
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
    
    /* Buttons */
    .btn-lg {
        padding: var(--space-3) var(--space-6);
        font-size: var(--font-size-base);
    }
    
    /* Stats */
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-4);
    }
    
    /* Process Steps */
    .process-steps {
        flex-direction: column;
        gap: var(--space-6);
    }
    
    .process-step {
        width: 100%;
    }
    
    /* Hide desktop-only elements */
    .desktop-only {
        display: none;
    }
    
    /* Show mobile-only elements */
    .mobile-only {
        display: block;
    }
}