/* ==========================================================================
   COMPREHENSIVE RESPONSIVE DESIGN IMPROVEMENTS
   Enhanced mobile, tablet, and desktop experience
   ========================================================================== */

/* Base Viewport and Typography */
html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
    line-height: 1.6;
}

/* Logo Responsiveness */
.main-header__logo {
    background-color: transparent !important;
    background: none !important;
    border-radius: 0 !important;
}

.main-header__logo img {
    max-width: 100%;
    height: auto;
    transition: all 0.3s ease;
    max-height: 60px;
}

:root {
    --site-topbar-height: 44px;
    --site-header-height: 64px;
}

.topbar-one {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: 10000 !important;
}

.topbar-one__inner {
    padding: 0 !important;
    height: var(--site-topbar-height) !important;
}

.topbar-one__info {
    height: var(--site-topbar-height) !important;
    align-items: center !important;
}

.main-header {
    position: fixed !important;
    top: var(--site-topbar-height) !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: 9999 !important;
    padding: 0 !important;
    min-height: var(--site-header-height) !important;
    height: var(--site-header-height) !important;
}

.main-header__inner {
    padding: 0 !important;
    min-height: var(--site-header-height) !important;
    height: var(--site-header-height) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
}

.main-header__logo {
    padding: 0 20px !important;
    height: var(--site-header-height) !important;
    display: flex !important;
    align-items: center !important;
}

.main-header__logo img {
    max-height: 46px !important;
    width: auto !important;
    object-fit: contain !important;
}

.main-menu .main-menu__list > li {
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    height: var(--site-header-height) !important;
    display: flex !important;
    align-items: center !important;
}

.page-wrapper {
    padding-top: calc(var(--site-topbar-height) + var(--site-header-height)) !important;
}

@media (max-width: 991px) {
    :root {
        --site-topbar-height: 0px;
        --site-header-height: 60px;
    }

    .topbar-one {
        display: none !important;
    }

    .main-header {
        top: 0 !important;
    }

    .main-header__logo {
        padding: 0 15px !important;
    }

    .main-header__logo img {
        max-height: 42px !important;
    }

    .page-wrapper {
        padding-top: var(--site-header-height) !important;
    }
}

/* Desktop Navbar Height Fix - Base desktop styles (992px and up) */
@media (min-width: 992px) {
    .main-header {
        padding: 8px 0 !important;
        min-height: auto !important;
        height: auto !important;
    }
    
    .main-header__inner {
        padding: 8px 0 !important;
        min-height: auto !important;
        height: auto !important;
    }
    
    .main-header__logo {
        padding: 12px 20px !important;
        height: auto !important;
        min-height: auto !important;
        max-height: 70px !important;
        background-color: transparent !important;
        background: none !important;
    }
    
    .main-header__logo img {
        max-height: 55px !important;
        max-width: 55px !important;
        width: 55px !important;
        height: auto !important;
        object-fit: contain !important;
    }
    
    .main-header__logo a {
        display: flex !important;
        align-items: center !important;
        height: 100% !important;
    }
}

/* Mobile Navbar Height Fix - Apply to all small screens */
@media (max-width: 991px) {
    .main-header {
        padding: 5px 0 !important;
        min-height: auto !important;
        height: auto !important;
    }
    
    .main-header__inner {
        padding: 5px 0 !important;
        min-height: auto !important;
        height: auto !important;
    }
    
    .main-header__logo {
        padding: 8px 15px !important;
        height: auto !important;
        min-height: auto !important;
        max-height: 60px !important;
        background-color: transparent !important;
        background: none !important;
    }
    
    .main-header__logo img {
        max-height: 45px !important;
        max-width: 45px !important;
        width: 45px !important;
        height: auto !important;
        object-fit: contain !important;
    }
    
    .main-header__logo a {
        display: flex !important;
        align-items: center !important;
        height: 100% !important;
    }
}

/* Navigation Enhancements */
.main-header__nav {
    transition: all 0.3s ease;
}

.main-menu__list {
    flex-wrap: wrap;
    gap: 10px;
}

/* Mobile Navigation Toggle */
.mobile-nav__btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    cursor: pointer;
    z-index: 1000;
}

.mobile-nav__btn span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Card Responsiveness */
.card {
    margin-bottom: 30px;
    min-height: auto;
}

.card-img-top {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

/* Button Responsiveness */
.travhub-btn {
    display: inline-block;
    width: auto;
    min-width: 120px;
    text-align: center;
    white-space: nowrap;
}

.travhub-btn.w-100 {
    width: 100% !important;
}

/* Form Responsiveness */
.form-control,
.form-select {
    width: 100%;
    box-sizing: border-box;
}

/* Section Spacing */
.section-space {
    padding: 60px 0;
}

/* Hero Sections */
.blog-hero,
.tour-hero,
.page-header {
    padding: 60px 0 40px;
    text-align: center;
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* Grid System Enhancements */
.row {
    margin-left: -15px;
    margin-right: -15px;
}

.col-lg-4,
.col-lg-3,
.col-lg-6,
.col-md-4,
.col-md-6,
.col-md-12,
.col-sm-6,
.col-sm-12 {
    padding-left: 15px;
    padding-right: 15px;
}

/* ==========================================================================
   EXTRA LARGE DEVICES (Large Desktops, 1400px and up)
   ========================================================================== */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
    
    /* Header adjustments for extra large screens */
    .main-header {
        padding: 1px 0 !important;
    }
    
    .main-header__inner {
        padding: 10px 0 !important;
    }
    
    .main-header__logo {
        padding: 15px 24px !important;
        max-height: 80px !important;
        background-color: transparent !important;
        background: none !important;
    }
    
    .main-header__logo img {
        max-height: 60px !important;
        max-width: 60px !important;
        width: 60px !important;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .card-img-top {
        height: 300px;
    }
    
    .section-space {
        padding: 100px 0;
    }
}

/* ==========================================================================
   LARGE DEVICES (Desktops, 992px to 1399px)
   ========================================================================== */
@media (min-width: 992px) and (max-width: 1399px) {
    .container {
        max-width: 960px;
    }
    
    /* Header adjustments for large desktop screens */
    .main-header {
        padding: 8px 0 !important;
    }
    
    .main-header__inner {
        padding: 8px 0 !important;
    }
    
    .main-header__logo {
        padding: 12px 20px !important;
        max-height: 70px !important;
        background-color: transparent !important;
        background: none !important;
    }
    
    .main-header__logo img {
        width: 55px !important;
        max-width: 55px !important;
        max-height: 55px !important;
        height: auto !important;
        object-fit: contain !important;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .card-img-top {
        height: 250px;
    }
}

/* ==========================================================================
   MEDIUM DEVICES (Tablets, 768px to 991px)
   ========================================================================== */
@media (min-width: 768px) and (max-width: 991px) {
    .container {
        max-width: 720px;
    }
    
    /* Header Adjustments */
    .topbar-one {
        display: none; /* Hide topbar on tablets for cleaner look */
    }
    
    .main-header {
        padding: 8px 0 !important;
        min-height: auto !important;
    }
    
    .main-header__inner {
        padding: 5px 0 !important;
        min-height: auto !important;
    }
    
    .main-header__logo {
        padding: 10px 15px !important;
        height: auto !important;
        min-height: auto !important;
        max-height: 65px !important;
        background-color: transparent !important;
        background: none !important;
    }
    
    .main-header__logo img {
        width: 45px !important;
        max-width: 45px !important;
        max-height: 45px !important;
        height: auto !important;
        object-fit: contain !important;
    }
    
    .main-header__nav {
        display: none; /* Hide main nav, show mobile nav */
    }
    
    .mobile-nav__btn {
        display: flex;
    }
    
    .main-header__btn .travhub-btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
    
    /* Content Adjustments */
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-space {
        padding: 50px 0;
    }
    
    .card {
        margin-bottom: 25px;
    }
    
    .card-img-top {
        height: 220px;
    }
    
    /* Blog specific */
    .blog-hero {
        padding: 50px 0 30px;
    }
    
    .blog-hero h1 {
        font-size: 2.2rem;
    }
    
    /* Search form improvements */
    .row.g-3 > div {
        margin-bottom: 15px;
    }
    
    /* Button spacing */
    .travhub-btn {
        margin: 5px 0;
    }
}

/* ==========================================================================
   SMALL DEVICES (Landscape phones, 576px to 767px)
   ========================================================================== */
@media (min-width: 576px) and (max-width: 767px) {
    .container {
        max-width: 540px;
        padding: 0 20px;
    }
    
    /* Header */
    .topbar-one {
        display: none;
    }
    
    .main-header {
        padding: 6px 0 !important;
        position: relative;
        min-height: auto !important;
    }
    
    .main-header__inner {
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        padding: 5px 0 !important;
        min-height: auto !important;
    }
    
    .main-header__logo {
        order: 1;
        padding: 8px 12px !important;
        height: auto !important;
        min-height: auto !important;
        max-height: 55px !important;
        background-color: transparent !important;
        background: none !important;
    }
    
    .main-header__logo img {
        width: 40px !important;
        max-width: 40px !important;
        max-height: 40px !important;
        height: auto !important;
        object-fit: contain !important;
    }
    
    .main-header__nav {
        display: none;
    }
    
    .main-header__right {
        order: 2;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    
    .mobile-nav__btn {
        display: flex;
    }
    
    .main-header__btn .travhub-btn {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
    
    .search-toggler {
        width: 35px;
        height: 35px;
    }
    
    /* Content */
    .hero-title {
        font-size: 2rem;
    }
    
    .section-space {
        padding: 40px 0;
    }
    
    .card {
        margin-bottom: 20px;
    }
    
    .card-body {
        padding: 15px;
    }
    
    .card-img-top {
        height: 200px;
    }
    
    /* Blog */
    .blog-hero {
        padding: 40px 0 25px;
    }
    
    .blog-hero h1 {
        font-size: 1.8rem;
    }
    
    .blog-hero p {
        font-size: 1rem;
    }
    
    /* Forms */
    .form-control,
    .form-select {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
    
    /* Search filters */
    .col-md-4,
    .col-md-3,
    .col-md-2 {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 10px;
    }
    
    .col-md-3.text-end {
        text-align: left !important;
    }
}

/* ==========================================================================
   EXTRA SMALL DEVICES (Portrait phones, less than 576px)
   ========================================================================== */
@media (max-width: 575px) {
    .container {
        max-width: 100%;
        padding: 0 15px;
    }
    
    /* Header */
    .topbar-one {
        display: none;
    }
    
    .main-header {
        padding: 5px 0 !important;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        min-height: auto !important;
    }
    
    .main-header__inner {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: nowrap;
        padding: 5px 0 !important;
        min-height: auto !important;
    }
    
    .main-header__logo {
        padding: 6px 10px !important;
        height: auto !important;
        min-height: auto !important;
        max-height: 50px !important;
        background-color: transparent !important;
        background: none !important;
    }
    
    .main-header__logo img {
        width: 35px !important;
        max-width: 35px !important;
        max-height: 35px !important;
        height: auto !important;
        object-fit: contain !important;
    }
    
    .main-header__nav {
        display: none;
    }
    
    .main-header__right {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    
    .mobile-nav__btn {
        display: flex;
    }
    
    .main-header__btn .travhub-btn {
        padding: 5px 10px;
        font-size: 0.8rem;
        min-width: 80px;
    }
    
    .search-toggler {
        width: 32px;
        height: 32px;
        font-size: 0.8rem;
    }
    
    /* Typography */
    html {
        font-size: 14px;
    }
    
    .hero-title,
    .display-4 {
        font-size: 1.6rem !important;
        line-height: 1.3;
    }
    
    .lead {
        font-size: 0.95rem;
    }
    
    .section-title__title {
        font-size: 1.5rem;
    }
    
    /* Content */
    .section-space {
        padding: 30px 0;
    }
    
    .card {
        margin-bottom: 20px;
        border-radius: 15px;
    }
    
    .card-body {
        padding: 12px;
    }
    
    .card-img-top {
        height: 180px;
        border-radius: 15px 15px 0 0;
    }
    
    .card-title {
        font-size: 1.1rem;
        line-height: 1.3;
        margin-bottom: 8px;
    }
    
    .card-text {
        font-size: 0.85rem;
        line-height: 1.4;
    }
    
    /* Blog */
    .blog-hero {
        padding: 30px 0 20px;
    }
    
    .blog-hero h1 {
        font-size: 1.5rem;
    }
    
    .blog-hero p {
        font-size: 0.9rem;
    }
    
    .blog-image {
        height: 160px;
    }
    
    /* Forms */
    .form-control,
    .form-select {
        padding: 8px 10px;
        font-size: 0.85rem;
        border-radius: 8px;
    }
    
    .form-label {
        font-size: 0.85rem;
        margin-bottom: 5px;
    }
    
    /* Buttons */
    .travhub-btn {
        padding: 8px 15px !important;
        font-size: 0.8rem !important;
        border-radius: 20px !important;
    }
    
    .btn {
        padding: 6px 12px;
        font-size: 0.8rem;
        border-radius: 8px;
    }
    
    /* Grid system for mobile */
    .col-lg-4,
    .col-lg-3,
    .col-lg-6,
    .col-md-4,
    .col-md-6,
    .col-sm-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .row.g-3 > div {
        margin-bottom: 12px;
    }
    
    /* Search and filter section */
    .col-md-4,
    .col-md-3,
    .col-md-2 {
        margin-bottom: 10px;
    }
    
    .text-end {
        text-align: left !important;
    }
    
    /* Badges */
    .badge {
        font-size: 0.65rem;
        padding: 3px 8px;
    }
    
    .featured-badge {
        font-size: 0.65rem;
        padding: 3px 8px;
        top: 10px;
        left: 10px;
    }
    
    .category-badge {
        font-size: 0.65rem;
        padding: 3px 8px;
    }
    
    /* Pagination */
    .pagination {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .page-link {
        padding: 5px 8px;
        font-size: 0.8rem;
        margin: 2px;
    }
    
    /* Footer adjustments */
    .main-footer {
        padding: 30px 0 20px;
    }
    
    .main-footer .col-lg-4,
    .main-footer .col-lg-2,
    .main-footer .col-lg-3 {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 20px;
        text-align: center;
    }
    
    .main-footer__logo img {
        width: 100px;
    }
    
    .main-footer__social {
        justify-content: center;
        margin: 15px 0;
    }
    
    /* Contact page specific */
    .contact-info__item {
        margin-bottom: 20px;
        padding: 15px;
    }
    
    .contact-info__icon i {
        font-size: 2rem !important;
    }
    
    /* Tour/Destination cards */
    .position-absolute.top-0.end-0 {
        top: 8px !important;
        right: 8px !important;
    }
    
    .position-absolute.top-0.start-0 {
        top: 8px !important;
        left: 8px !important;
    }
    
    .position-absolute.bottom-0.start-0 {
        bottom: 8px !important;
        left: 8px !important;
    }
}

/* ==========================================================================
   LANDSCAPE ORIENTATION (All mobile devices in landscape)
   ========================================================================== */

/* ==========================================================================
   HIGH DPI DISPLAYS (Retina)
   ========================================================================== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .main-header__logo img,
    .main-footer__logo img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */
@media print {
    .topbar-one,
    .main-header,
    .main-footer,
    .mobile-nav__wrapper,
    .search-popup,
    .scroll-to-top,
    .mobile-nav__btn,
    .search-toggler {
        display: none !important;
    }
    
    .page-wrapper {
        box-shadow: none;
    }
    
    .card {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}

/* ==========================================================================
   ACCESSIBILITY ENHANCEMENTS
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus states for better accessibility */
.travhub-btn:focus,
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* ==========================================================================
   TOUCH DEVICE ENHANCEMENTS
   ========================================================================== */
@media (pointer: coarse) {
    .travhub-btn,
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .page-link {
        min-height: 40px;
        min-width: 40px;
    }
    
    .search-toggler {
        min-height: 44px;
        min-width: 44px;
    }
}

/* ==========================================================================
   UTILITY CLASSES FOR RESPONSIVE VISIBILITY
   ========================================================================== */
.d-mobile-only {
    display: none !important;
}

.d-desktop-only {
    display: block !important;
}

@media (max-width: 767px) {
    .d-mobile-only {
        display: block !important;
    }
    
    .d-desktop-only {
        display: none !important;
    }
    
    .text-mobile-center {
        text-align: center !important;
    }
    
    .text-mobile-left {
        text-align: left !important;
    }
}

/* ==========================================================================
   PERFORMANCE OPTIMIZATIONS
   ========================================================================== */
.card-img-top,
.blog-image {
    will-change: transform;
    backface-visibility: hidden;
}

.card {
    contain: layout style paint;
}

:root {
    --site-topbar-height: 44px;
    --site-header-height: 64px;
}

.topbar-one {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: 10000 !important;
}

.topbar-one__inner {
    padding: 0 !important;
    height: var(--site-topbar-height) !important;
}

.topbar-one__info {
    height: var(--site-topbar-height) !important;
    align-items: center !important;
}

.main-header {
    position: fixed !important;
    top: var(--site-topbar-height) !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: 9999 !important;
    padding: 0 !important;
    min-height: var(--site-header-height) !important;
    height: var(--site-header-height) !important;
}

.main-header__inner {
    padding: 0 !important;
    min-height: var(--site-header-height) !important;
    height: var(--site-header-height) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
}

.main-header__logo {
    padding: 0 20px !important;
    height: var(--site-header-height) !important;
    display: flex !important;
    align-items: center !important;
}

.main-header__logo img {
    max-height: 46px !important;
    width: auto !important;
    object-fit: contain !important;
}

.main-menu .main-menu__list > li {
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    height: var(--site-header-height) !important;
    display: flex !important;
    align-items: center !important;
}

.page-wrapper {
    padding-top: calc(var(--site-topbar-height) + var(--site-header-height)) !important;
}

@media (max-width: 991px) {
    :root {
        --site-topbar-height: 0px;
        --site-header-height: 60px;
    }

    .topbar-one {
        display: none !important;
    }

    .main-header {
        top: 0 !important;
    }

    .main-header__logo {
        padding: 0 15px !important;
    }

    .main-header__logo img {
        max-height: 42px !important;
    }

    .page-wrapper {
        padding-top: var(--site-header-height) !important;
    }
}