/* ==========================================
   Responsive Styles - TaHa Travel Agency
   ========================================== */

/* Extra Large Devices (1400px and up) */
@media (max-width: 1400px) {
    .container {
        max-width: 1200px;
    }
    
    .hero-title {
        font-size: var(--fs-6xl);
    }
    
    .mega-menu {
        width: 800px;
    }
}

/* Large Devices (1200px and down) */
@media (max-width: 1200px) {
    .container {
        max-width: 992px;
    }
    
    .hero-title {
        font-size: var(--fs-5xl);
    }
    
    .hero-search-form {
        grid-template-columns: 1fr 1fr;
    }
    
    .hero-search-btn {
        grid-column: span 2;
    }
    
    .destinations-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .destination-card:nth-child(1),
    .destination-card:nth-child(2),
    .destination-card:nth-child(3) {
        grid-column: span 1;
        aspect-ratio: 3/4;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
    
    .footer-brand {
        grid-column: span 3;
        padding-right: 0;
        margin-bottom: var(--space-8);
    }
}

/* Medium Devices (992px and down) */
@media (max-width: 992px) {
    .container {
        max-width: 768px;
    }
    
    /* Header */
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-nav {
        display: block;
    }
    
    .mega-menu {
        display: none;
    }
    
    /* Hero */
    .hero-content {
        margin-left: 0;
        text-align: center;
        max-width: 100%;
        padding: 0 var(--space-4);
    }
    
    .hero-title {
        font-size: var(--fs-4xl);
    }
    
    .hero-description {
        margin: 0 auto var(--space-8);
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-stats .container {
        gap: var(--space-8);
    }
    
    .hero-search {
        bottom: -80px;
        width: calc(100% - 40px);
    }
    
    .hero-search-form {
        grid-template-columns: 1fr;
    }
    
    .hero-search-btn {
        grid-column: span 1;
    }
    
    .hero-arrow {
        display: none;
    }
    
    /* Services */
    .services-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .services-content {
        padding-right: 0;
        text-align: center;
    }
    
    .services-visual {
        order: -1;
    }
    
    .services-image-secondary {
        bottom: -20px;
        left: auto;
        right: -20px;
        width: 150px;
        height: 150px;
    }
    
    .services-stats {
        flex-wrap: wrap;
        gap: var(--space-6);
    }
    
    .services-stat {
        flex: 1 1 45%;
        border-right: none;
    }
    
    .why-choose-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Tours */
    .tours-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--space-6);
    }
    
    .tours-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tour-featured {
        grid-template-columns: 1fr;
    }
    
    .tour-featured-image {
        min-height: 300px;
    }
    
    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    /* Contact */
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .contact-info {
        padding-right: 0;
        text-align: center;
    }
    
    .contact-cards {
        align-items: center;
    }
    
    .contact-card {
        max-width: 400px;
        width: 100%;
    }
    
    .contact-social {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    /* Newsletter */
    .newsletter-wrapper {
        flex-direction: column;
        text-align: center;
    }
    
    .newsletter-form {
        max-width: 100%;
        width: 100%;
    }
    
    /* Footer */
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8);
    }
    
    .footer-brand {
        grid-column: span 2;
    }
}

/* Small Devices (768px and down) */
@media (max-width: 768px) {
    :root {
        --fs-5xl: 2rem;
        --fs-6xl: 2.5rem;
        --fs-7xl: 3rem;
        --fs-4xl: 1.75rem;
        --fs-3xl: 1.5rem;
        --fs-2xl: 1.25rem;
        --fs-xl: 1.125rem;
        --fs-lg: 1rem;
        --fs-base: 0.875rem;
        --fs-sm: 0.8125rem;
        --fs-xs: 0.75rem;
        --header-height: 70px;
        --top-bar-height: 40px;
    }

    html,
    body {
        width: 100%;
        overflow-x: hidden;
    }

    .container {
        max-width: 100%;
    }
    
    .section {
        padding: var(--space-10) 0;
    }

    /* Hero */
    .hero {
        margin-top: calc(var(--header-height) + var(--top-bar-height));
    }

    /* About - giảm khoảng cách */
    .about {
        padding: var(--space-6) 0;
    }

    /* Header Mobile */
    .header-main {
        padding: var(--space-2) 0;
    }

    .header-content {
        flex-wrap: nowrap;
        gap: var(--space-2);
    }

    .logo {
        width: auto;
        justify-content: flex-start;
        flex: 0 1 auto;
    }

    .header-actions {
        width: auto;
        justify-content: flex-end;
        flex: 0 1 auto;
        margin-left: auto;
    }

    .logo-img {
        width: 45px;
        height: 45px;
    }

    .logo-name {
        font-size: var(--fs-lg);
    }

    .logo-tagline {
        font-size: 0.6rem;
        letter-spacing: 1px;
    }

    .btn-sm {
        padding: var(--space-1) var(--space-2);
        font-size: 0.55rem;
        white-space: nowrap;
    }

    .search-btn {
        width: 36px;
        height: 36px;
    }

    .header-actions {
        gap: var(--space-2);
    }
    
    .section_title {
        font-size: var(--fs-3xl);
    }
    
    .section-subtitle::before,
    .section-subtitle::after {
        display: none;
    }
    
    /* Top Bar Mobile */
    .top-bar {
        padding: var(--space-1) 0;
    }

    .top-bar .container {
        flex-direction: column;
        gap: var(--space-1);
    }

    .top-bar-content {
        flex-direction: column;
        align-items: center;
        gap: var(--space-1);
        position: static;
    }

    .top-bar-left {
        display: flex;
        order: 2;
        position: static;
        width: 100%;
        justify-content: center;
    }

    .top-bar-center {
        display: flex;
        order: 1;
        font-size: 0.7rem;
    }

    .top-bar-center span {
        display: flex;
        align-items: center;
        gap: var(--space-1);
    }

    .top-bar-right {
        display: flex;
        order: 3;
        width: 100%;
        justify-content: center;
        text-align: center;
        font-size: 0.7rem;
        line-height: 1.3;
        padding: 0 var(--space-2);
        flex-wrap: wrap;
    }

    .social-links {
        gap: var(--space-2);
    }

    .social-links a {
        width: 24px;
        height: 24px;
        font-size: 0.7rem;
    }
    
    /* Hero - xóa min-height vì chỉ là banner */
    .hero {
        min-height: auto;
    }
    
    .hero-title {
        font-size: var(--fs-2xl);
    }
    
    .hero-stats .container {
        flex-wrap: wrap;
        gap: var(--space-6);
    }
    
    .hero-stat {
        flex: 1 1 40%;
    }
    
    /* Destinations */
    .destinations-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-3);
    }
    
    .destination-card-title {
        font-size: var(--fs-lg);
    }
    
    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .services-experience {
        right: 10px;
        top: 10px;
    }
    
    .why-choose-grid {
        grid-template-columns: 1fr;
    }
    
    /* Tours */
    .tours-tabs {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .tours-grid {
        grid-template-columns: 1fr;
    }
    
    .tour-featured-details {
        grid-template-columns: 1fr;
    }
    
    /* Form */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* Newsletter */
    .newsletter-form {
        flex-direction: column;
    }
    
    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        grid-column: span 1;
    }
    
    .footer-column h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-links {
        align-items: center;
    }
    
    .footer-social,
    .footer-contact {
        align-items: center;
    }
    
    .footer-contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
    
    /* Floating Buttons */
    .back-to-top {
        right: 20px;
        bottom: 90px;
        width: 44px;
        height: 44px;
    }
    
    .whatsapp-float {
        right: 20px;
        bottom: 20px;
        width: 50px;
        height: 50px;
    }
    
    .whatsapp-float .tooltip {
        display: none;
    }
    
    /* Gallery Slider Mobile */
    .gallery-main {
        height: 280px;
    }
    
    .gallery-arrow {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    
    .gallery-prev { left: 10px; }
    .gallery-next { right: 10px; }
    
    .gallery-controls {
        bottom: 10px;
        right: 10px;
        gap: 8px;
    }
    
    .gallery-count {
        padding: 4px 10px;
        font-size: 12px;
    }
    
    .gallery-fullscreen {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }
    
    .gallery-thumbs {
        padding: 8px 10px;
        gap: 6px;
    }
    
    .thumb-item {
        width: 55px;
        height: 40px;
    }
}

/* Extra Small Devices (480px and down) */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-3);
    }
    
    .hero-title {
        font-size: var(--fs-2xl);
    }
    
    .hero-btn {
        padding: var(--space-3) var(--space-5);
        font-size: var(--fs-sm);
    }
    
    .btn-lg {
        padding: var(--space-3) var(--space-6);
    }
    
    .destinations-grid {
        grid-template-columns: 1fr;
    }
    
    .destination-card {
        aspect-ratio: 16/10;
    }
    
    .destination-card:nth-child(1),
    .destination-card:nth-child(2),
    .destination-card:nth-child(3) {
        aspect-ratio: 16/10;
    }
    
    .service-card {
        padding: var(--space-4);
    }
    
    .tour-card-content {
        padding: var(--space-4);
    }
    
    .contact-form-wrapper {
        padding: var(--space-6);
    }
    
    .testimonial-card {
        padding: var(--space-6);
    }
    
    .testimonial-text {
        font-size: var(--fs-base);
    }
    
    /* Gallery Slider Extra Small */
    .gallery-main {
        height: 220px;
    }
    
    .gallery-arrow {
        width: 32px;
        height: 32px;
        font-size: 14px;
        opacity: 0.8;
    }
    
    .gallery-prev { left: 5px; }
    .gallery-next { right: 5px; }
    
    .gallery-controls {
        bottom: 8px;
        right: 8px;
        gap: 6px;
    }
    
    .gallery-count {
        padding: 3px 8px;
        font-size: 11px;
    }
    
    .gallery-fullscreen {
        width: 28px;
        height: 28px;
        font-size: 11px;
    }
    
    .gallery-thumbs {
        padding: 6px 8px;
        gap: 5px;
    }
    
    .thumb-item {
        width: 45px;
        height: 32px;
        border-width: 1px;
    }
}

/* Landscape Phone */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
    }
    
    .hero-content {
        padding-top: 80px;
    }
    
    .hero-stats {
        display: none;
    }
}

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

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero-slide-bg {
        animation: none;
    }
    
    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale {
        opacity: 1;
        transform: none;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .back-to-top,
    .whatsapp-float,
    #preloader {
        display: none !important;
    }
    
    .hero {
        height: auto;
        min-height: auto;
        padding: var(--space-8) 0;
    }
    
    .hero-overlay {
        background: none;
    }
    
    .hero-title,
    .hero-description {
        color: var(--black);
    }
    
    .section {
        padding: var(--space-8) 0;
        page-break-inside: avoid;
    }
}