/* ==========================================================================
   LUXETRAVEL CSS DESIGN SYSTEM & COMPONENT LIBRARY
   Namespace: .lux-*
   Standard: BEM, Luxury Travel & Hospitality, Accessible, Responsive
   ========================================================================== */

:root {
    /* Brand & Accent Colors - Experimental Luxury Travel */
    --lux-charcoal: #121412;
    --lux-charcoal-surface: #1a1d1a;
    --lux-charcoal-muted: #262925;
    --lux-ivory: #F4F1EA;
    --lux-ivory-card: #FAF8F5;
    --lux-terracotta: #C85D38;
    --lux-terracotta-hover: #b04e2b;
    --lux-terracotta-light: #fbeee8;
    --lux-olive: #5E6553;
    --lux-olive-light: #eff2ec;
    --lux-sand: #DED7C6;
    --lux-sand-light: #F7F5EE;

    /* Semantic mappings */
    --lux-primary: var(--lux-charcoal);
    --lux-primary-hover: #000000;
    --lux-accent: var(--lux-terracotta);
    --lux-accent-hover: var(--lux-terracotta-hover);
    --lux-secondary: var(--lux-olive);
    --lux-bg: var(--lux-ivory);
    --lux-surface: #FFFFFF;
    --lux-surface-muted: var(--lux-ivory-card);
    --lux-text: var(--lux-charcoal);
    --lux-text-muted: #575c55;
    --lux-border: rgba(18, 20, 18, 0.12);
    --lux-border-light: rgba(18, 20, 18, 0.06);
    --lux-border-dark: rgba(244, 241, 234, 0.15);

    /* Typography */
    --lux-font-display: 'Playfair Display', Georgia, serif;
    --lux-font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --lux-font-mono: 'SFMono-Regular', Consolas, Menlo, monospace;

    /* States & Alerts */
    --lux-danger: #c2410c;
    --lux-danger-bg: #fff7ed;
    --lux-danger-border: #fed7aa;
    --lux-success: #15803d;
    --lux-success-bg: #f0fdf4;
    --lux-success-border: #bbf7d0;
    --lux-warning: #b45309;

    /* Geometry & Effects - Architectural, Minimalist */
    --lux-radius-xs: 2px;
    --lux-radius-sm: 4px;
    --lux-radius-md: 6px;
    --lux-radius-lg: 10px;
    --lux-radius-full: 9999px;
    --lux-shadow-sm: 0 1px 2px 0 rgba(18, 20, 18, 0.04);
    --lux-shadow-md: 0 4px 12px -2px rgba(18, 20, 18, 0.08);
    --lux-shadow-lg: 0 12px 30px -4px rgba(18, 20, 18, 0.12);
    --lux-shadow-hover: 0 16px 36px -6px rgba(18, 20, 18, 0.16);
    --lux-transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    --lux-container-width: 1320px;
}

/* Base Reset & Typography inside namespace */
.lux-body, body {
    background-color: var(--lux-bg);
    color: var(--lux-text-muted);
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

/* Layout Container */
.lux-container {
    width: 100%;
    max-width: var(--lux-container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

/* Sections */
.lux-section {
    padding-top: 60px;
    padding-bottom: 60px;
    position: relative;
}
.lux-section--alt {
    background-color: var(--lux-surface);
}
.lux-section-header {
    margin-bottom: 50px;
    position: relative;
}
.lux-section-header--editorial {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-bottom: 1px solid var(--lux-border);
    padding-bottom: 24px;
    margin-bottom: 48px;
    flex-wrap: wrap;
    gap: 20px;
}
.lux-section-header-left {
    max-width: 700px;
}
.lux-chapter-index {
    font-family: var(--lux-font-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--lux-terracotta);
    display: block;
    margin-bottom: 10px;
    font-weight: 700;
}
.lux-section-subtitle {
    display: inline-block;
    color: var(--lux-olive);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 8px;
}
.lux-section-title {
    font-family: var(--lux-font-display);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    color: var(--lux-charcoal);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 0 0 12px;
}
.lux-section-desc {
    color: var(--lux-text-muted);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 0;
}

/* Editorial Buttons */
.lux-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--lux-font-body);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 12px 26px;
    border-radius: var(--lux-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--lux-transition);
    text-decoration: none;
    line-height: 1.3;
    white-space: nowrap;
}
.lux-btn-primary {
    background-color: var(--lux-charcoal);
    color: var(--lux-ivory) !important;
    border-color: var(--lux-charcoal);
}
.lux-btn-primary:hover {
    background-color: var(--lux-terracotta);
    border-color: var(--lux-terracotta);
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(200, 93, 56, 0.25);
}
.lux-btn-accent {
    background-color: var(--lux-terracotta);
    color: #ffffff !important;
    border-color: var(--lux-terracotta);
}
.lux-btn-accent:hover {
    background-color: var(--lux-terracotta-hover);
    border-color: var(--lux-terracotta-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(200, 93, 56, 0.3);
}
.lux-btn-secondary {
    background-color: transparent;
    border-color: var(--lux-charcoal);
    color: var(--lux-charcoal) !important;
}
.lux-btn-secondary:hover {
    background-color: var(--lux-charcoal);
    color: var(--lux-ivory) !important;
}
.lux-btn-outline {
    background: transparent;
    border-color: var(--lux-border);
    color: var(--lux-charcoal) !important;
}
.lux-btn-outline:hover {
    border-color: var(--lux-charcoal);
    background-color: var(--lux-charcoal);
    color: var(--lux-ivory) !important;
}
.lux-btn-large {
    padding: 16px 36px;
    font-size: 14px;
    letter-spacing: 0.1em;
}
.lux-btn-block {
    width: 100%;
}
.lux-btn-sm {
    padding: 8px 16px;
    font-size: 12px;
}

/* Badges */
.lux-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--lux-radius-full);
    font-size: 12px;
    font-weight: 700;
}
.lux-badge-success {
    background-color: var(--lux-success-bg);
    color: #065f46;
    border: 1px solid var(--lux-success-border);
}
.lux-badge-primary {
    background-color: var(--lux-primary-light);
    color: #0369a1;
}
.lux-badge-secondary {
    background-color: var(--lux-secondary-light);
    color: #0f766e;
}
.lux-badge-discount {
    background-color: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
    font-weight: 800;
}

/* ==========================================================================
   2. HEADER & NAVIGATION (STICKY + SCROLL EFFECT)
   ========================================================================== */
.lux-header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--lux-transition);
    background-color: var(--lux-ivory);
    border-bottom: 1px solid var(--lux-border);
}
.lux-header.is-scrolled {
    background-color: rgba(244, 241, 234, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(18, 20, 18, 0.06);
}
.lux-header-topbar {
    background-color: var(--lux-charcoal);
    color: #93988e;
    font-family: var(--lux-font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    padding: 8px 0;
    border-bottom: 1px solid rgba(244, 241, 234, 0.08);
}
.lux-topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.lux-topbar-left, .lux-topbar-right {
    display: flex;
    align-items: center;
    gap: 18px;
}
.lux-topbar-left i, .lux-topbar-right i {
    color: var(--lux-sand);
}
.lux-topbar-right a {
    color: var(--lux-ivory);
    text-decoration: none;
    transition: var(--lux-transition);
}
.lux-topbar-right a:hover {
    color: var(--lux-terracotta);
}
.lux-topbar-right .sep {
    color: #3b3f37;
}

.lux-header-main {
    padding: 16px 0;
}
.lux-navbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.lux-brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--lux-font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--lux-charcoal);
    text-decoration: none;
    letter-spacing: 0.06em;
}
.lux-brand-icon {
    font-size: 20px;
    color: var(--lux-terracotta);
}
.lux-brand-logo strong {
    font-weight: 400;
    font-style: italic;
    color: var(--lux-terracotta);
}

.lux-nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 32px;
    align-items: center;
}
.lux-nav-item {
    position: relative;
}
.lux-nav-link {
    color: var(--lux-charcoal);
    font-family: var(--lux-font-body);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 8px 0;
    text-decoration: none;
    transition: var(--lux-transition);
    display: flex;
    align-items: center;
    gap: 6px;
}
.lux-nav-link:hover, .lux-nav-item.current-menu-item > .lux-nav-link {
    color: var(--lux-terracotta);
}

/* Dropdown Sub-menu */
.lux-nav-item:hover > .lux-sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.lux-sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--lux-surface);
    box-shadow: var(--lux-shadow-lg);
    border-radius: var(--lux-radius-sm);
    padding: 10px 0;
    min-width: 220px;
    list-style: none;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: var(--lux-transition);
    border: 1px solid var(--lux-border);
    z-index: 100;
}
.lux-sub-menu a {
    display: block;
    padding: 8px 18px;
    color: var(--lux-text);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--lux-transition);
}
.lux-sub-menu a:hover {
    background-color: var(--lux-surface-muted);
    color: var(--lux-primary);
}

.lux-header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}
.lux-mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--lux-text);
    cursor: pointer;
}

/* ==========================================================================
   3. HERO BANNER & DUAL SEARCH WIDGET
   ========================================================================== */
.lux-hero {
    position: relative;
    padding: 90px 0 110px;
    background: linear-gradient(135deg, #0b1329 0%, #0f2b5c 50%, #0369a1 100%);
    color: #ffffff;
    overflow: hidden;
}
.lux-hero-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.22;
    filter: brightness(0.9);
}
.lux-hero-content {
    position: relative;
    z-index: 2;
}
.lux-hero-text {
    text-align: center;
    max-width: 820px;
    margin: 0 auto 36px;
}
.lux-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 6px 16px;
    border-radius: var(--lux-radius-full);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #f8fafc;
    border: 1px solid rgba(255, 255, 255, 0.25);
    margin-bottom: 16px;
}
.lux-hero-title {
    color: #ffffff;
    font-size: 44px;
    font-weight: 800;
    line-height: 1.2;
    margin: 0 0 16px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}
.lux-hero-desc {
    font-size: 18px;
    color: #cbd5e1;
    line-height: 1.6;
    margin: 0;
}

/* Dual Search Tab Card */
.lux-search-widget {
    background: #ffffff;
    border-radius: var(--lux-radius-lg);
    box-shadow: 0 16px 40px -10px rgba(0, 0, 0, 0.25);
    padding: 24px;
    color: var(--lux-text);
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.7);
}
.lux-search-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--lux-border);
    padding-bottom: 14px;
}
.lux-search-tab-btn {
    background: transparent;
    border: none;
    font-weight: 700;
    font-size: 15px;
    color: var(--lux-text-muted);
    padding: 10px 18px;
    border-radius: var(--lux-radius-sm);
    cursor: pointer;
    transition: var(--lux-transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.lux-search-tab-btn.active {
    background: var(--lux-primary-light);
    color: var(--lux-primary);
}
.lux-search-tab-pane {
    display: none;
}
.lux-search-tab-pane.active {
    display: block;
}

.lux-search-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr 160px;
    gap: 16px;
    align-items: flex-end;
}
.lux-search-grid--tour {
    grid-template-columns: 1.3fr 1.3fr 1fr 1fr 160px;
}
.lux-form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.lux-form-label {
    font-size: 13px;
    font-weight: 700;
    color: #475569;
    display: flex;
    align-items: center;
    gap: 6px;
}
.lux-form-label i {
    color: var(--lux-primary);
}
.lux-form-control {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--lux-border);
    border-radius: var(--lux-radius-sm);
    font-size: 14px;
    background: #f8fafc;
    color: var(--lux-text);
    transition: var(--lux-transition);
    box-sizing: border-box;
    font-family: inherit;
}
.lux-form-control:focus {
    outline: none;
    border-color: var(--lux-primary);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* ==========================================================================
   4. HOTEL & TOUR CARDS
   ========================================================================== */
.lux-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.lux-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.lux-card {
    background: #ffffff;
    border-radius: var(--lux-radius-md);
    overflow: hidden;
    box-shadow: var(--lux-shadow-sm);
    border: 1px solid var(--lux-border);
    transition: var(--lux-transition);
    display: flex;
    flex-direction: column;
}
.lux-card:hover {
    box-shadow: var(--lux-shadow-hover);
    transform: translateY(-4px);
    border-color: #cbd5e1;
}

.lux-card-media {
    position: relative;
    height: 220px;
    overflow: hidden;
    background-color: #f1f5f9;
}
.lux-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.lux-card:hover .lux-card-img {
    transform: scale(1.06);
}
.lux-card-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
}
.lux-card-badge-right {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 2;
}

.lux-card-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.lux-card-meta {
    font-size: 13px;
    color: var(--lux-text-muted);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.lux-card-title {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.35;
    margin: 0 0 8px;
}
.lux-card-title a {
    color: var(--lux-text);
    text-decoration: none;
    transition: var(--lux-transition);
}
.lux-card-title a:hover {
    color: var(--lux-primary);
}
.lux-card-desc {
    font-size: 14px;
    color: var(--lux-text-muted);
    line-height: 1.5;
    margin: 0 0 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.lux-card-amenities {
    display: flex;
    gap: 12px;
    font-size: 13px;
    color: #475569;
    margin-bottom: 16px;
}
.lux-card-amenities span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.lux-card-footer {
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--lux-border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.lux-price-wrap {
    display: flex;
    flex-direction: column;
}
.lux-price-label {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--lux-text-muted);
    font-weight: 600;
}
.lux-price-amount {
    font-size: 19px;
    font-weight: 800;
    color: #dc2626;
}
.lux-price-unit {
    font-size: 12px;
    font-weight: 500;
    color: var(--lux-text-muted);
}

/* ==========================================================================
   5. SECTIONS: DESTINATIONS, FEATURES, TESTIMONIALS, BLOG
   ========================================================================== */
.lux-dest-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.lux-dest-card {
    position: relative;
    height: 260px;
    border-radius: var(--lux-radius-md);
    overflow: hidden;
    text-decoration: none;
    box-shadow: var(--lux-shadow-sm);
}
.lux-dest-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.lux-dest-card:hover .lux-dest-img {
    transform: scale(1.08);
}
.lux-dest-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(15, 23, 42, 0.88) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
    color: #ffffff;
}
.lux-dest-name {
    font-size: 19px;
    font-weight: 800;
    margin: 0;
}
.lux-dest-count {
    font-size: 13px;
    color: #94a3b8;
}

/* Features */
.lux-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.lux-feature-item {
    background: var(--lux-surface);
    border: 1px solid var(--lux-border);
    border-radius: var(--lux-radius-md);
    padding: 28px 22px;
    text-align: center;
    transition: var(--lux-transition);
}
.lux-feature-item:hover {
    border-color: var(--lux-primary);
    transform: translateY(-4px);
    box-shadow: var(--lux-shadow-md);
}
.lux-feature-icon {
    font-size: 32px;
    color: var(--lux-primary);
    margin-bottom: 14px;
}
.lux-feature-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--lux-text);
    margin: 0 0 8px;
}
.lux-feature-desc {
    font-size: 14px;
    color: var(--lux-text-muted);
    margin: 0;
    line-height: 1.5;
}

/* Testimonials */
.lux-testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.lux-testimonial-card {
    background: #ffffff;
    border: 1px solid var(--lux-border);
    border-radius: var(--lux-radius-md);
    padding: 26px;
    box-shadow: var(--lux-shadow-sm);
    display: flex;
    flex-direction: column;
}
.lux-testimonial-stars {
    color: #f59e0b;
    margin-bottom: 12px;
    font-size: 14px;
}
.lux-testimonial-text {
    font-size: 14px;
    line-height: 1.6;
    color: #334155;
    font-style: italic;
    margin: 0 0 18px;
    flex-grow: 1;
}
.lux-testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}
.lux-author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
}
.lux-author-name {
    font-weight: 700;
    font-size: 14px;
    color: var(--lux-text);
    margin: 0;
}
.lux-author-tag {
    font-size: 12px;
    color: var(--lux-text-muted);
}

/* CTA Consultation Box */
.lux-cta-box {
    background: linear-gradient(135deg, #0284c7 0%, #0f766e 100%);
    border-radius: var(--lux-radius-lg);
    padding: 44px 48px;
    color: #ffffff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--lux-shadow-lg);
}
.lux-cta-content h2 {
    color: #ffffff;
    font-size: 28px;
    font-weight: 800;
    margin: 0 0 10px;
}
.lux-cta-content p {
    color: #e0f2fe;
    font-size: 16px;
    margin: 0;
}
.lux-cta-actions {
    display: flex;
    gap: 14px;
}

/* Footer */
.lux-footer {
    background-color: var(--lux-charcoal);
    color: #a3a89e;
    padding-top: 70px;
    border-top: 1px solid var(--lux-charcoal-muted);
}
.lux-footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 50px;
}
.lux-footer-col h4 {
    color: var(--lux-ivory);
    font-family: var(--lux-font-mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin: 0 0 20px;
}
.lux-footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.lux-footer-col ul li {
    margin-bottom: 12px;
}
.lux-footer-col ul li a {
    color: #a3a89e;
    text-decoration: none;
    transition: var(--lux-transition);
    font-size: 14px;
}
.lux-footer-col ul li a:hover {
    color: var(--lux-sand);
    transform: translateX(3px);
    display: inline-block;
}
.lux-footer-bottom {
    border-top: 1px solid var(--lux-charcoal-muted);
    padding: 24px 0;
    font-size: 13px;
    color: #73786e;
}
.lux-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ==========================================================================
   6. FRONTEND UTILITIES (FLOATING CONTACT, BACK TO TOP, POPUP)
   ========================================================================== */
/* Floating Contact Widget */
.lux-floating-contact {
    position: fixed;
    bottom: 28px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 990;
}
.lux-floating-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 20px;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    transition: var(--lux-transition);
    position: relative;
}
.lux-floating-btn:hover {
    transform: scale(1.1);
}
.lux-floating-btn.btn-hotline { background-color: #ef4444; }
.lux-floating-btn.btn-zalo { background-color: #0068ff; }
.lux-floating-btn.btn-messenger { background-color: #0084ff; }

/* Back to Top Button */
.lux-back-to-top {
    position: fixed;
    bottom: 28px;
    left: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: #0f172a;
    color: #ffffff;
    border: none;
    box-shadow: var(--lux-shadow-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    opacity: 0;
    visibility: hidden;
    transition: var(--lux-transition);
    z-index: 980;
}
.lux-back-to-top.is-visible {
    opacity: 0.9;
    visibility: visible;
}
.lux-back-to-top:hover {
    opacity: 1;
    background-color: var(--lux-primary);
    transform: translateY(-3px);
}

/* Promo Popup */
.lux-modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--lux-transition);
    padding: 20px;
}
.lux-modal-backdrop.is-active {
    opacity: 1;
    visibility: visible;
}
.lux-modal-card {
    background: #ffffff;
    border-radius: var(--lux-radius-lg);
    max-width: 500px;
    width: 100%;
    overflow: hidden;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
    transform: scale(0.95);
    transition: var(--lux-transition);
}
.lux-modal-backdrop.is-active .lux-modal-card {
    transform: scale(1);
}
.lux-modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.3);
    color: #ffffff;
    border: none;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: var(--lux-transition);
}
.lux-modal-close:hover {
    background: rgba(0, 0, 0, 0.7);
}

/* ==========================================================================
   7. RESPONSIVE BREAKPOINTS (360px, 430px, 768px, 1024px, 1280px, 1440px+)
   ========================================================================== */
@media (max-width: 1200px) {
    .lux-grid-4, .lux-dest-grid, .lux-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .lux-footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .lux-search-grid, .lux-search-grid--tour {
        grid-template-columns: 1fr 1fr;
    }
    .lux-grid-3, .lux-testimonials-grid {
        grid-template-columns: 1fr;
    }
    .lux-cta-box {
        flex-direction: column;
        text-align: center;
        gap: 20px;
        padding: 30px;
    }
}

@media (max-width: 768px) {
    .lux-header-topbar {
        display: none;
    }
    .lux-nav-menu {
        display: none;
    }
    .lux-mobile-menu-toggle {
        display: block;
    }
    .lux-hero-title {
        font-size: 28px;
    }
    .lux-hero-desc {
        font-size: 15px;
    }
    .lux-search-grid, .lux-search-grid--tour {
        grid-template-columns: 1fr;
    }
    .lux-grid-4, .lux-dest-grid, .lux-features-grid {
        grid-template-columns: 1fr;
    }
    .lux-footer-grid {
        grid-template-columns: 1fr;
    }
    .lux-card-media {
        height: 190px;
    }
}

@media (max-width: 430px) {
    .lux-container {
        padding-left: 14px;
        padding-right: 14px;
    }
    .lux-hero {
        padding: 60px 0 80px;
    }
    .lux-hero-title {
        font-size: 24px;
    }
    .lux-search-tabs {
        flex-direction: column;
    }
    .lux-cta-actions {
        flex-direction: column;
        width: 100%;
    }
    .lux-btn-large {
        width: 100%;
    }
}

/* Pagination Styles */
.pagination-wrap .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    margin: 0 4px;
    border-radius: var(--lux-radius-sm);
    background: #ffffff;
    border: 1px solid var(--lux-border);
    color: var(--lux-text);
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    transition: var(--lux-transition);
}
.pagination-wrap .page-numbers:hover,
.pagination-wrap .page-numbers.current {
    background: var(--lux-primary);
    color: #ffffff;
    border-color: var(--lux-primary);
}
.pagination-wrap .page-numbers.dots {
    border: none;
    background: transparent;
    color: var(--lux-text-muted);
}