/* ===== RESPONSIVE DESIGN ===== */

/* Large screens (1200px and up) */
@media (min-width: 1200px) {
    .container {
        padding: 0 var(--space-6);
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .destinations-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .offers-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .search-row {
        grid-template-columns: 1fr 1fr 1fr 1fr 1fr auto;
    }
}

/* Medium screens (768px to 1199px) */
@media (max-width: 1199px) {
    .sidebar {
        display: none;
    }
    
    main {
        margin-right: 0;
    }
    
    .destinations-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .offers-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet screens (768px to 1023px) */
@media (max-width: 1023px) {
    :root {
        --header-height: 70px;
        --space-20: 3rem;
    }
    
    .hero {
        padding: var(--space-16) 0;
    }
    
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-lg);
    }
    
    .search-form-container {
        padding: var(--space-6);
    }
    
    .search-row {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-3);
    }
    
    .search-btn {
        grid-column: 1 / -1;
        margin-top: var(--space-4);
    }
    
    .section-header h2 {
        font-size: var(--text-3xl);
    }
    
    .destinations-section,
    .offers-section {
        padding: var(--space-16) 0;
    }
    
    .nav-list {
        gap: var(--space-4);
    }
    
    .nav-link {
        font-size: var(--text-sm);
        padding: var(--space-2);
    }
}

/* Mobile screens (480px to 767px) */
@media (max-width: 767px) {
    :root {
        --header-height: 60px;
        --space-20: 2rem;
    }
    
    .container {
        padding: 0 var(--space-3);
    }
    
    /* Header Mobile */
    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: var(--white);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        transition: transform var(--transition-normal);
        z-index: 999;
    }
    
    .main-nav.active {
        transform: translateY(0);
    }
    
    .nav-list {
        flex-direction: column;
        padding: var(--space-4);
        gap: 0;
    }
    
    .nav-link {
        display: block;
        padding: var(--space-4);
        border-bottom: 1px solid var(--gray-200);
        border-radius: 0;
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Hero Mobile */
    .hero {
        padding: var(--space-12) 0;
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--text-3xl);
        margin-bottom: var(--space-4);
    }
    
    .hero-subtitle {
        font-size: var(--text-base);
        margin-bottom: var(--space-8);
    }
    
    .search-form-container {
        padding: var(--space-4);
        margin: 0 var(--space-2);
    }
    
    .search-row {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .search-btn {
        grid-column: 1;
        margin-top: 0;
    }
    
    /* Sections Mobile */
    .destinations-section,
    .offers-section {
        padding: var(--space-12) 0;
    }
    
    .section-header {
        margin-bottom: var(--space-8);
    }
    
    .section-header h2 {
        font-size: var(--text-2xl);
    }
    
    .section-subtitle {
        font-size: var(--text-base);
    }
    
    /* Grids Mobile */
    .destinations-grid,
    .offers-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    /* Cards Mobile */
    .card-image {
        height: 180px;
    }
    
    .card-content {
        padding: var(--space-4);
    }
    
    .card-title {
        font-size: var(--text-lg);
    }
    
    /* Footer Mobile */
    .footer {
        padding: var(--space-12) 0 var(--space-6) 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-6);
        margin-bottom: var(--space-8);
    }
    
    .footer-section {
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* AdSense Mobile */
    .ad-container {
        margin: var(--space-6) 0;
        padding: var(--space-3);
    }
    
    .ad-sticky-anchor {
        padding: var(--space-2);
    }
    
    .ad-between-cards {
        margin: var(--space-6) 0;
    }
}

/* Small mobile screens (320px to 479px) */
@media (max-width: 479px) {
    :root {
        --space-20: 1.5rem;
    }
    
    .container {
        padding: 0 var(--space-2);
    }
    
    .hero {
        padding: var(--space-10) 0;
    }
    
    .hero-title {
        font-size: var(--text-2xl);
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: var(--text-sm);
    }
    
    .search-form-container {
        margin: 0 var(--space-1);
        padding: var(--space-3);
    }
    
    .search-field label {
        font-size: var(--text-xs);
    }
    
    .search-field input,
    .search-field select {
        padding: var(--space-2) var(--space-3);
        font-size: var(--text-sm);
    }
    
    .search-btn {
        padding: var(--space-3) var(--space-4);
        font-size: var(--text-sm);
    }
    
    .section-header h2 {
        font-size: var(--text-xl);
    }
    
    .card-image {
        height: 160px;
    }
    
    .card-content {
        padding: var(--space-3);
    }
    
    .card-title {
        font-size: var(--text-base);
    }
    
    .card-description {
        font-size: var(--text-sm);
    }
    
    .offer-card {
        padding: var(--space-4);
    }
    
    .offer-title {
        font-size: var(--text-lg);
    }
    
    .new-price {
        font-size: var(--text-xl);
    }
    
    .btn-primary,
    .btn-secondary {
        padding: var(--space-2) var(--space-4);
        font-size: var(--text-sm);
    }
    
    .footer-title {
        font-size: var(--text-base);
    }
    
    .footer-description,
    .footer-links a {
        font-size: var(--text-sm);
    }
}

/* Landscape orientation on mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: var(--space-8) 0;
    }
    
    .hero-title {
        font-size: var(--text-2xl);
        margin-bottom: var(--space-3);
    }
    
    .hero-subtitle {
        margin-bottom: var(--space-6);
    }
    
    .search-form-container {
        padding: var(--space-4);
    }
    
    .search-row {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .search-btn {
        grid-column: 1 / -1;
        margin-top: var(--space-3);
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .ad-container {
        background-color: var(--gray-800);
        border-color: var(--gray-700);
        color: var(--gray-200);
    }
    
    .search-form-container {
        background-color: var(--gray-800);
        color: var(--gray-200);
    }
    
    .search-field input,
    .search-field select {
        background-color: var(--gray-700);
        border-color: var(--gray-600);
        color: var(--gray-200);
    }
    
    .search-field label {
        color: var(--gray-300);
    }
}

/* Print styles */
@media print {
    .header-sticky,
    .ad-container,
    .sidebar,
    .mobile-menu-toggle,
    .search-form-container,
    .footer {
        display: none !important;
    }
    
    .hero {
        background: none !important;
        color: var(--gray-900) !important;
        padding: var(--space-4) 0 !important;
    }
    
    .hero-title,
    .hero-subtitle {
        color: var(--gray-900) !important;
    }
    
    .destinations-section,
    .offers-section {
        padding: var(--space-8) 0 !important;
    }
    
    .destination-card,
    .offer-card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid var(--gray-300) !important;
    }
    
    a {
        color: var(--gray-900) !important;
        text-decoration: underline !important;
    }
    
    .btn-primary,
    .btn-secondary {
        border: 1px solid var(--gray-900) !important;
        background: none !important;
        color: var(--gray-900) !important;
    }
}

/* Focus styles for accessibility */
@media (prefers-reduced-motion: no-preference) {
    .nav-link:focus,
    .card-link:focus,
    .btn-primary:focus,
    .btn-secondary:focus {
        transform: translateY(-1px);
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .destination-card:hover,
    .offer-card:hover {
        transform: none;
    }
    
    .destination-card:active,
    .offer-card:active {
        transform: scale(0.98);
    }
    
    .btn-primary:hover,
    .btn-secondary:hover {
        transform: none;
    }
    
    .btn-primary:active,
    .btn-secondary:active {
        transform: scale(0.98);
    }
    
    .nav-link,
    .card-link,
    .footer-links a {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
}