/* Aurora Hotel Plaza - Main Stylesheet */

/* Global Scale - Zoom toàn bộ website */
html {
    zoom: 85%;
}

/* Smooth scroll chỉ cho users who haven't disabled it */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* ============================================
   MOBILE: Chống zoom và giữ scale cố định
   ============================================ */
@media (max-width: 768px) {
    html {
        touch-action: manipulation;
        -ms-touch-action: manipulation;
    }

    body {
        touch-action: manipulation;
        -ms-touch-action: manipulation;
        -webkit-text-size-adjust: 100%;
        -moz-text-size-adjust: 100%;
        -ms-text-size-adjust: 100%;
        text-size-adjust: 100%;
    }

    /* Chống zoom khi double-tap */
    * {
        touch-action: manipulation;
    }

    /* Input không zoom khi focus (font-size >= 16px) */
    input,
    select,
    textarea {
        font-size: 16px !important;
    }
}

/* ============================================
   PERFORMANCE OPTIMIZED SMOOTH TRANSITIONS
   ============================================ */

/* Focus styles - no transition needed */
*:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* GPU-accelerated properties only */
.gpu-accelerate {
    will-change: transform, opacity;
    backface-visibility: hidden;
}

/* Alternative method using transform (uncomment if zoom doesn't work) */
/* body {
    transform: scale(0.85);
    transform-origin: top left;
    width: 117.65%;
} */

/* CSS Variables */
:root {
    /* Primary Colors */
    --primary: #cc9a2c;
    --primary-light: #d4af37;
    --primary-dark: #b8941f;

    /* Accent Colors */
    --accent: #d4af37;
    --accent-dark: #b8941f;

    /* Background Colors */
    --background-light: #ffffff;
    --background-dark: #111827;

    /* Surface Colors */
    --surface-light: #f9fafb;
    --surface-dark: #1f2937;

    /* Text Colors */
    --text-primary-light: #1f2937;
    --text-primary-dark: #f3f4f6;
    --text-secondary-light: #6b7280;
    --text-secondary-dark: #9ca3af;
}

/* Custom Surface Background Classes - Fix for missing tailwind classes */
.bg-surface-light {
    background-color: var(--surface-light) !important;
}

.bg-surface-dark {
    background-color: var(--surface-dark) !important;
}

.dark .bg-surface-dark {
    background-color: #111827 !important;
}

/* Ensure footer has a base dark background on all pages */
footer {
    background-color: #1f2937 !important;
    color: rgba(255, 255, 255, 0.8) !important;
    position: relative;
    z-index: 10;
}

footer a {
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
}

footer a:hover {
    color: #d4af37;
}

footer h4, footer h3 {
    color: #ffffff !important;
    font-weight: 700;
}

/* Mobile Footer Fix */
@media (max-width: 768px) {
    footer.bg-surface-dark {
        background-color: #1f2937 !important;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        min-height: 100px;
    }
}

/* Material Icons Configuration */
.material-symbols-outlined {
    font-variation-settings:
        'FILL' 0,
        'wght' 400,
        'GRAD' 0,
        'opsz' 24
}

/* Hero Slider Styles */
.hero-slider {
    position: relative;
    width: 100%;
    height: 117.65vh;
    /* Compensate for 85% zoom: 100vh / 0.85 = 117.65vh */
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.4));
}

/* Slider Navigation Arrows */
.slider-arrow {
    position: absolute;
    top: 0;
    height: 100%;
    width: 5%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    cursor: pointer;
    z-index: 10;
    transition: background 0.3s ease;
}

.slider-arrow:hover {
    background: rgba(0, 0, 0, 0.3);
}

.slider-arrow.prev {
    left: 0;
}

.slider-arrow.next {
    right: 0;
}

.slider-arrow .arrow-icon {
    font-size: 48px;
    color: white;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.slider-arrow:hover .arrow-icon {
    opacity: 1;
}

/* Slider Navigation Dots */
.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: color 0.3s ease, background-color 0.3s ease;
}

.slider-dot.active {
    background: #cc9a2c;
    width: 40px;
    border-radius: 6px;
}

/* Logo Styles */
.logo-image {
    height: 80px;
    width: auto;
    transition: color 0.3s ease, background-color 0.3s ease;
}

/* Header Sticky on Scroll */
header {
    border-bottom: 2px solid rgba(204, 154, 44, 0.3);
}

header.scrolled {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border-bottom: 2px solid rgba(204, 154, 44, 0.8);
}

/* Nav Links */
.nav-link {
    color: white;
    transition: color 0.3s ease, background-color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link:hover {
    color: #cc9a2c;
}

header.scrolled .nav-link {
    color: #1a1a1a;
}

header.scrolled .nav-link:hover {
    color: #cc9a2c;
}

/* Submenu Styles - Liquid Glass */
.submenu-wrapper {
    position: relative;
}

.submenu-trigger {
    cursor: pointer;
}

.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 12px;
    width: 240px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px) saturate(150%);
    -webkit-backdrop-filter: blur(12px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 1rem;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, visibility 0.3s, transform 0.3s ease;
    overflow: hidden;
}

.submenu-wrapper:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.submenu-item {
    display: block;
    padding: 14px 24px;
    color: #1a1a1a;
    font-size: 15px;
    transition: color 0.3s ease, background-color 0.3s ease;
    border-left: 3px solid transparent;
}

.submenu-item:hover {
    background: linear-gradient(90deg, rgba(204, 154, 44, 0.1) 0%, transparent 100%);
    border-left-color: #cc9a2c;
    color: #cc9a2c;
    padding-left: 28px;
}

.submenu-item-badge {
    position: relative;
}

.badge-new {
    position: absolute;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    background: #dc2626;
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

/* Buttons */
.btn-booking {
    display: flex;
    height: 44px;
    min-width: 120px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 8px;
    background: #cc9a2c;
    padding: 0 20px;
    font-size: 16px;
    font-weight: 700;
    color: white;
    border: none;
    transition: color 0.3s ease, background-color 0.3s ease;
}

.btn-booking:hover {
    background: #b8882a;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(204, 154, 44, 0.4);
}

.lang-btn {
    display: flex;
    height: 44px;
    width: 44px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    border: none;
    transition: color 0.3s ease, background-color 0.3s ease;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

header.scrolled .lang-btn {
    color: #1a1a1a;
    background: rgba(204, 154, 44, 0.1);
}

header.scrolled .lang-btn:hover {
    background: rgba(204, 154, 44, 0.2);
}


/* ============================================
   AUTH & USER MENU STYLES
   ============================================ */

/* Auth Button */
.auth-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: transparent;
    color: white;
    border: 2px solid white;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: color 0.3s ease, background-color 0.3s ease;
    text-decoration: none;
}

.auth-btn:hover {
    background: #cc9a2c;
    color: white;
    border-color: #cc9a2c;
}

header.scrolled .auth-btn {
    color: #1a1a1a;
    border-color: #1a1a1a;
}

header.scrolled .auth-btn:hover {
    background: #cc9a2c;
    color: white;
    border-color: #cc9a2c;
}

/* User Menu */
.user-menu-wrapper {
    position: relative;
}

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: transparent;
    color: white;
    border: 2px solid white;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: color 0.3s ease, background-color 0.3s ease;
}

.user-menu-btn:hover {
    background: rgba(204, 154, 44, 0.1);
    border-color: #cc9a2c;
}

header.scrolled .user-menu-btn {
    color: #1a1a1a;
    border-color: #1a1a1a;
}

header.scrolled .user-menu-btn:hover {
    background: rgba(204, 154, 44, 0.1);
    border-color: #cc9a2c;
}

.user-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 250px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: color 0.3s ease, background-color 0.3s ease;
    z-index: 1000;
}

.dark .user-menu {
    background: #1f2937;
    border-color: #374151;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.user-menu-wrapper:hover .user-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
}

.user-menu-header .material-symbols-outlined {
    font-size: 2.5rem;
    color: var(--accent);
}

.user-menu-divider {
    height: 1px;
    background: #e5e7eb;
    margin: 0.25rem 0;
}

.dark .user-menu-divider {
    background: #374151;
}

.user-menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-primary-light);
    text-decoration: none;
    transition: all 0.2s ease;
}

.dark .user-menu-item {
    color: var(--text-primary-dark);
}

.user-menu-item:hover {
    background: rgba(212, 175, 55, 0.1);
}

.user-menu-item .material-symbols-outlined {
    font-size: 1.25rem;
    color: #111827;
}

.dark .user-menu-item .material-symbols-outlined {
    color: #d1d5db;
}

/* Mobile Menu - User Section */
@media (max-width: 768px) {
    .user-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        margin-top: 1rem;
    }
}

/* User Menu Styles - Consolidated */
.user-menu-wrapper {
    position: relative;
}

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 9999px;
    color: #d4af37;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.3s ease, background-color 0.3s ease;
}

.user-menu-btn:hover {
    background: rgba(212, 175, 55, 0.2);
    border-color: rgba(212, 175, 55, 0.5);
}

.user-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 250px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 1rem;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: color 0.3s ease, background-color 0.3s ease;
    z-index: 100;
    overflow: hidden;
}

.dark .user-menu {
    background: #1f2937;
    border-color: #374151;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
}

.user-menu-wrapper:hover .user-menu,
.user-menu-wrapper:focus-within .user-menu,
.user-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(212, 175, 55, 0.05) 100%);
}

.user-menu-header .material-symbols-outlined {
    font-size: 2.5rem;
    color: #d4af37;
}

.user-menu-divider {
    height: 1px;
    background: #e5e7eb;
    margin: 0.25rem 0;
}

.dark .user-menu-divider {
    background: #374151;
}

.user-menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: #374151;
    text-decoration: none;
    transition: all 0.2s ease;
}

.dark .user-menu-item {
    color: #d1d5db;
}

.user-menu-item:hover {
    background: #f3f4f6;
}

.dark .user-menu-item:hover {
    background: #374151;
}

.user-menu-item .material-symbols-outlined {
    font-size: 1.25rem;
    color: #111827;
}

.dark .user-menu-item .material-symbols-outlined {
    color: #d1d5db;
}

.user-menu-item.text-red-600:hover {
    background: rgba(239, 68, 68, 0.1);
}

.dark .user-menu-item.text-red-400:hover {
    background: rgba(248, 113, 113, 0.1);
}

/* Auth Button */
.auth-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 9999px;
    color: #d4af37;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s ease, background-color 0.3s ease;
}

.auth-btn:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: rgba(212, 175, 55, 0.5);
}

/* Mobile Menu User Section */
@media (max-width: 768px) {
    .user-menu-btn {
        padding: 0.5rem;
    }

    .user-menu {
        right: -1rem;
        min-width: 200px;
    }
}

/* Scrolled Header Styles */
header.scrolled .user-menu-btn {
    background: rgba(212, 175, 55, 0.15);
}

header.scrolled .auth-btn {
    background: rgba(212, 175, 55, 0.1);
}

/* ============================================
   LIQUID GLASS BUTTON STYLES
   ============================================ */

/* Primary Liquid Glass Button - Solid accent background */
.btn-liquid-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--accent);
    color: white;
    border-radius: 0.75rem;
    font-weight: 700;
    font-size: 1rem;
    transition: color 0.3s ease, background-color 0.3s ease;
    text-decoration: none;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-liquid-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
}

/* Secondary Liquid Glass Button - Transparent with border */
.btn-liquid-glass {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: white;
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    border-radius: 0.75rem;
    font-weight: 700;
    font-size: 1rem;
    transition: color 0.3s ease, background-color 0.3s ease;
    text-decoration: none;
    cursor: pointer;
}

.btn-liquid-glass:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* Liquid Glass Button - Dark variant for light backgrounds */
.btn-liquid-glass-dark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: rgba(17, 24, 39, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #1f2937;
    border: 1.5px solid rgba(17, 24, 39, 0.2);
    border-radius: 0.75rem;
    font-weight: 700;
    font-size: 1rem;
    transition: color 0.3s ease, background-color 0.3s ease;
    text-decoration: none;
    cursor: pointer;
}

.btn-liquid-glass-dark:hover {
    background: rgba(17, 24, 39, 0.15);
    border-color: rgba(17, 24, 39, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.dark .btn-liquid-glass-dark {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-color: rgba(255, 255, 255, 0.2);
}

.dark .btn-liquid-glass-dark:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Liquid Glass Badge/Tag */
.badge-liquid-glass {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* ============================================
   APPLE-STYLE LIQUID GLASS EFFECTS
   ============================================ */

/* Base Liquid Glass - Apple Style (Optimized for performance) */
.liquid-glass {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px) saturate(150%);
    -webkit-backdrop-filter: blur(10px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* Liquid Glass Light - For dark backgrounds */
.liquid-glass-light {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px) saturate(150%);
    -webkit-backdrop-filter: blur(12px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.25),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1);
}

/* Liquid Glass Dark - For light backgrounds */
.liquid-glass-dark {
    background: rgba(17, 24, 39, 0.6);
    backdrop-filter: blur(12px) saturate(150%);
    -webkit-backdrop-filter: blur(12px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Liquid Glass Card */
.liquid-glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px) saturate(150%);
    -webkit-backdrop-filter: blur(10px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 1.5rem;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.liquid-glass-card:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-4px);
    box-shadow:
        0 16px 48px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* Liquid Glass Button - Apple Style (Optimized) */
.liquid-glass-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px) saturate(150%);
    -webkit-backdrop-filter: blur(10px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 0.875rem;
    color: white;
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
    box-shadow:
        0 4px 16px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.liquid-glass-btn:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px);
    box-shadow:
        0 8px 24px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

/* Liquid Glass Input */
.liquid-glass-input {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 0.75rem;
    padding: 0.875rem 1rem;
    color: white;
    font-size: 1rem;
    transition: all 0.25s ease;
}

.liquid-glass-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.liquid-glass-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(212, 175, 55, 0.5);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15);
}

/* Liquid Glass Modal/Overlay */
.liquid-glass-overlay {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.liquid-glass-modal {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(16px) saturate(150%);
    -webkit-backdrop-filter: blur(16px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1.5rem;
    box-shadow:
        0 24px 80px rgba(0, 0, 0, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* Liquid Glass Navigation */
.liquid-glass-nav {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px) saturate(150%);
    -webkit-backdrop-filter: blur(10px) saturate(150%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Liquid Glass Tooltip */
.liquid-glass-tooltip {
    background: rgba(30, 30, 30, 0.85);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    padding: 0.5rem 0.875rem;
    color: white;
    font-size: 0.875rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* Liquid Glass with Accent Glow */
.liquid-glass-accent {
    background: rgba(212, 175, 55, 0.1);
    backdrop-filter: blur(10px) saturate(150%);
    -webkit-backdrop-filter: blur(10px) saturate(150%);
    border: 1px solid rgba(212, 175, 55, 0.25);
    box-shadow:
        0 8px 32px rgba(212, 175, 55, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

/* Dark mode variants */
.dark .liquid-glass {
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(255, 255, 255, 0.08);
}

.dark .liquid-glass-card {
    background: rgba(30, 41, 59, 0.5);
    border-color: rgba(255, 255, 255, 0.1);
}

.dark .liquid-glass-card:hover {
    background: rgba(30, 41, 59, 0.65);
    border-color: rgba(255, 255, 255, 0.15);
}

/* ============================================
   DARK HERO BANNER STYLES
   ============================================ */

.hero-dark {
    position: relative;
    background-size: cover;
    background-position: center;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 180px 20px 100px;
    text-align: center;
    color: white;
}

.hero-dark::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.9), rgba(17, 24, 39, 0.7));
    z-index: 0;
}

.hero-dark .hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.hero-dark .hero-title {
    font-family: 'Inter', sans-serif;
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-dark .hero-subtitle {
    font-size: 18px;
    opacity: 0.85;
    font-weight: 400;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* CTA Section Dark Style */
.cta-dark {
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.95), rgba(17, 24, 39, 0.85));
    position: relative;
    overflow: hidden;
}

.cta-dark::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../img/hero-banner/aurora-hotel-bien-hoa-1.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
    z-index: 0;
}

.cta-dark .cta-content {
    position: relative;
    z-index: 1;
}

/* ============================================
   INDEX PAGE - ROOM CARDS STYLES
   ============================================ */

/* Room card title in index.php */
.room-card-title,
section#rooms .text-xl.font-bold,
section#apartments .text-xl.font-bold {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    line-height: 1.3;
}

/* Room card button alignment */
section#rooms .flex.h-10,
section#apartments .flex.h-10 {
    min-height: 44px;
}

/* ============================================
   PERFORMANCE OPTIMIZED SMOOTH ANIMATIONS
   ============================================ */

/* 
 * PERFORMANCE RULES:
 * 1. Only use transform & opacity for animations (GPU accelerated)
 * 2. Avoid animating layout properties (width, height, margin, padding)
 * 3. Use will-change sparingly and only when needed
 * 4. Prefer shorter durations (0.2s-0.3s) for snappy feel
 */

/* Interactive elements - ONLY color and shadow transitions */
a,
button {
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

/* Form elements - minimal transitions */
input,
select,
textarea {
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* Card hover effects - GPU accelerated */
.card,
.room-card,
.service-card,
.blog-card {
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    will-change: transform;
}

.card:hover,
.room-card:hover,
.service-card:hover,
.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.12);
}

/* Image hover - GPU accelerated */
.image-hover {
    overflow: hidden;
}

.image-hover img {
    transition: transform 0.3s ease;
    will-change: transform;
}

.image-hover:hover img {
    transform: scale(1.03);
}

/* Modal - GPU accelerated */
.modal {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.2s ease, transform 0.2s ease;
    will-change: opacity, transform;
}

.modal.show {
    opacity: 1;
    transform: scale(1);
}

/* Dropdown - GPU accelerated */
.dropdown-menu {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    will-change: opacity, transform;
}

.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Tab content - simple fade */
.tab-content {
    opacity: 0;
    transition: opacity 0.25s ease;
}

.tab-content.active {
    opacity: 1;
}

/* Form focus - shadow only, no transform */
input:focus,
textarea:focus,
select:focus {
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15);
}

/* Progress bar */
.progress-bar {
    transition: width 0.4s ease;
}

/* Notification - GPU accelerated */
.notification {
    transform: translateX(100%);
    transition: transform 0.3s ease;
    will-change: transform;
}

.notification.show {
    transform: translateX(0);
}

/* Accordion - use max-height carefully */
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-content.open {
    max-height: 500px;
}

/* Gallery item - GPU accelerated */
.gallery-item {
    transition: transform 0.25s ease;
    will-change: transform;
}

.gallery-item:hover {
    transform: scale(1.02);
    z-index: 10;
}

/* Back to top - GPU accelerated */
.back-to-top {
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    will-change: opacity, transform;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Skeleton loading - optimized animation */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e8e8e8 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.2s ease infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* Mobile menu - GPU accelerated */
.mobile-menu {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    will-change: transform;
}

.mobile-menu.open {
    transform: translateX(0);
}

/* Search overlay - GPU accelerated */
.search-overlay {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s;
}

.search-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* Tooltip - GPU accelerated */
.tooltip {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.15s ease, transform 0.15s ease;
    will-change: opacity, transform;
}

.tooltip.show {
    opacity: 1;
    transform: translateY(0);
}

/* Calendar date - minimal */
.calendar-date {
    transition: background-color 0.15s ease, color 0.15s ease;
}

/* Booking steps - GPU accelerated */
.booking-step {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    will-change: opacity, transform;
}

.booking-step.active {
    opacity: 1;
    transform: translateX(0);
}

/* Filter items - GPU accelerated */
.filter-item {
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.filter-item.hidden {
    opacity: 0;
    transform: scale(0.9);
    pointer-events: none;
}

/* Rating stars - minimal */
.rating-star {
    transition: transform 0.15s ease, color 0.15s ease;
}

.rating-star:hover {
    transform: scale(1.15);
}

/* Testimonial carousel - GPU accelerated */
.testimonial-slide {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.4s ease, transform 0.4s ease;
    will-change: opacity, transform;
}

.testimonial-slide.active {
    opacity: 1;
    transform: translateX(0);
}

/* Feature highlight - optimized */
.feature-highlight {
    position: relative;
    overflow: hidden;
}

.feature-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.2), transparent);
    transition: transform 0.5s ease;
    transform: translateX(0);
}

.feature-highlight:hover::before {
    transform: translateX(200%);
}

/* Fade in animation - optimized */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Staggered delays - shorter */
.fade-in:nth-child(1) {
    animation-delay: 0.05s;
}

.fade-in:nth-child(2) {
    animation-delay: 0.1s;
}

.fade-in:nth-child(3) {
    animation-delay: 0.15s;
}

.fade-in:nth-child(4) {
    animation-delay: 0.2s;
}

.fade-in:nth-child(5) {
    animation-delay: 0.25s;
}

.fade-in:nth-child(6) {
    animation-delay: 0.3s;
}

/* Loading shimmer - optimized */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 1s ease infinite;
    transform: translateX(-100%);
}

@keyframes shimmer {
    100% {
        transform: translateX(100%);
    }
}

/* Page transition overlay */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--accent);
    z-index: 9999;
    transform: translateX(-100%);
    transition: transform 0.4s ease;
    will-change: transform;
}

.page-transition.active {
    transform: translateX(0);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Remove will-change after animation completes to free GPU memory */
.animation-complete {
    will-change: auto;
}

/* ============================================
   INDEX PAGE - RESPONSIVE STYLES
   ============================================ */

/* Section padding responsive */
section.py-16 {
    padding-top: 4rem;
    padding-bottom: 4rem;
}

@media (max-width: 768px) {

    section.py-16,
    section.sm\:py-24 {
        padding-top: 3rem !important;
        padding-bottom: 3rem !important;
    }
}

@media (max-width: 480px) {

    section.py-16,
    section.sm\:py-24 {
        padding-top: 2rem !important;
        padding-bottom: 2rem !important;
    }
}

/* Container responsive */
.max-w-7xl {
    max-width: 80rem;
}

@media (max-width: 768px) {
    .max-w-7xl {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

@media (max-width: 480px) {
    .max-w-7xl {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
}

/* Section headings responsive */
.font-display.text-3xl {
    font-size: 1.875rem;
    line-height: 1.2;
}

@media (max-width: 768px) {

    .font-display.text-3xl,
    .md\:text-4xl {
        font-size: 1.5rem !important;
    }
}

@media (max-width: 480px) {

    .font-display.text-3xl,
    .md\:text-4xl {
        font-size: 1.25rem !important;
    }
}

/* Grid responsive for room/apartment cards */
.grid.grid-cols-1.sm\:grid-cols-2.lg\:grid-cols-3 {
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .grid.grid-cols-1.sm\:grid-cols-2.lg\:grid-cols-3 {
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .grid.grid-cols-1.sm\:grid-cols-2.lg\:grid-cols-3 {
        gap: 0.75rem;
    }
}

/* Stats grid responsive */
.grid.grid-cols-2.md\:grid-cols-4 {
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .grid.grid-cols-2.md\:grid-cols-4 {
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .grid.grid-cols-2.md\:grid-cols-4 {
        gap: 0.5rem;
    }
}

/* Amenities grid responsive */
.grid.grid-cols-2.sm\:grid-cols-3.lg\:grid-cols-6 {
    gap: 1rem;
}

@media (max-width: 768px) {
    .grid.grid-cols-2.sm\:grid-cols-3.lg\:grid-cols-6 {
        gap: 0.75rem;
    }
}

@media (max-width: 480px) {
    .grid.grid-cols-2.sm\:grid-cols-3.lg\:grid-cols-6 {
        gap: 0.5rem;
    }
}

/* Room/Apartment card responsive */
.rounded-xl.bg-surface-light {
    border-radius: 1rem;
}

@media (max-width: 480px) {
    .rounded-xl.bg-surface-light {
        border-radius: 0.75rem;
    }

    .rounded-xl.bg-surface-light .p-6 {
        padding: 1rem;
    }

    .rounded-xl.bg-surface-light .text-xl {
        font-size: 1rem;
    }

    .rounded-xl.bg-surface-light .text-lg {
        font-size: 0.9375rem;
    }

    .rounded-xl.bg-surface-light .text-sm {
        font-size: 0.75rem;
    }
}

/* Promotion banner responsive */
.glass-promo-banner {
    border-radius: 0;
}

@media (max-width: 768px) {
    .glass-promo-banner .flex-col.md\:flex-row {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .glass-promo-banner .text-2xl {
        font-size: 1.25rem;
    }

    .glass-promo-banner .w-16 {
        width: 3rem;
        height: 3rem;
    }

    .glass-promo-banner .text-4xl {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .glass-promo-banner .flex-wrap {
        justify-content: center;
        gap: 0.5rem;
    }

    .glass-promo-banner .text-2xl {
        font-size: 1.125rem;
    }
}

/* Why Choose Us cards responsive */
.glass-card-solid.flex.gap-4.p-6 {
    padding: 1.5rem;
}

@media (max-width: 768px) {
    .glass-card-solid.flex.gap-4.p-6 {
        padding: 1.25rem;
        gap: 0.875rem;
    }

    .glass-card-solid .h-14.w-14 {
        width: 3rem;
        height: 3rem;
    }

    .glass-card-solid .text-2xl {
        font-size: 1.25rem;
    }

    .glass-card-solid .text-lg {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .glass-card-solid.flex.gap-4.p-6 {
        padding: 1rem;
        gap: 0.75rem;
        flex-direction: column;
        text-align: center;
    }

    .glass-card-solid .flex-shrink-0 {
        align-self: center;
    }

    .glass-card-solid .h-14.w-14 {
        width: 2.5rem;
        height: 2.5rem;
        border-radius: 0.625rem;
    }

    .glass-card-solid .text-2xl {
        font-size: 1rem;
    }

    .glass-card-solid .text-lg {
        font-size: 0.9375rem;
        margin-bottom: 0.25rem;
    }

    .glass-card-solid .text-sm {
        font-size: 0.75rem;
    }
}

/* Hero slider responsive */
@media (max-width: 768px) {
    .hero-slider {
        height: 100vh;
    }

    .slider-arrow {
        width: 10%;
    }

    .slider-arrow .arrow-icon {
        font-size: 32px;
    }

    .slider-dots {
        bottom: 20px;
        gap: 8px;
    }

    .slider-dot {
        width: 10px;
        height: 10px;
    }

    .slider-dot.active {
        width: 30px;
    }
}

@media (max-width: 480px) {
    .slider-arrow {
        width: 12%;
    }

    .slider-arrow .arrow-icon {
        font-size: 24px;
    }

    .slider-dots {
        bottom: 16px;
        gap: 6px;
    }

    .slider-dot {
        width: 8px;
        height: 8px;
    }

    .slider-dot.active {
        width: 24px;
        border-radius: 4px;
    }
}

/* Feature cards in About section responsive */
.glass-card-solid.p-6.text-center {
    padding: 1.5rem;
}

@media (max-width: 768px) {
    .glass-card-solid.p-6.text-center {
        padding: 1.25rem;
    }

    .glass-card-solid.p-6.text-center .w-16.h-16 {
        width: 3.5rem;
        height: 3.5rem;
    }

    .glass-card-solid.p-6.text-center .text-3xl {
        font-size: 1.5rem;
    }

    .glass-card-solid.p-6.text-center .text-lg {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .glass-card-solid.p-6.text-center {
        padding: 1rem;
    }

    .glass-card-solid.p-6.text-center .w-16.h-16 {
        width: 3rem;
        height: 3rem;
        margin-bottom: 0.75rem;
    }

    .glass-card-solid.p-6.text-center .text-3xl {
        font-size: 1.25rem;
    }

    .glass-card-solid.p-6.text-center .text-lg {
        font-size: 0.9375rem;
        margin-bottom: 0.375rem;
    }

    .glass-card-solid.p-6.text-center .text-sm {
        font-size: 0.75rem;
    }
}

/* Text responsive utilities */
@media (max-width: 480px) {
    .text-base {
        font-size: 0.875rem;
    }

    .text-sm {
        font-size: 0.75rem;
    }

    .uppercase.tracking-wider {
        font-size: 0.6875rem;
    }
}