:root {
    /* CHUYỂN TONE MÀU SANG COASTAL RESORT (Màu của Sóng và Cát) */
    
    /* Xanh ngọc / Xanh cổ vịt (Thay cho Vàng Kim) */
    --primary: #48908a;       
    --primary-dark: #2a4646;  
    --primary-light: #66c1b8; 

    /* Xanh đại dương sẫm (Thay cho Navy) */
    --secondary: #112929;     
    
    /* Màu Vàng Cát (Dành cho các điểm nhấn phụ) */
    --accent-sand: #d6c6b3;   

    /* Text & Background */
    --text-main: #223333;
    --text-muted: #5b6e6e;
    --bg-light: #f2f6f6; /* Xám nhạt pha chút xanh lơ */
    --bg-white: #ffffff;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px rgba(42, 70, 70, 0.08); /* Đổi màu bóng đổ sang tone xanh */
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    overflow-x: hidden; /* Chặn scroll ngang trên mọi màn hình */
    max-width: 100%;
}

body {
    font-family: 'Outfit', sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100%;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    color: var(--secondary);
    line-height: 1.2;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography Overrides */
.divider {
    height: 3px;
    width: 60px;
    background: var(--primary);
    margin: 20px auto;
}
.divider.align-left { margin-left: 0; }

/* Header */
.header {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1000;
    transition: var(--transition);
    padding: 20px 0;
}

.header.scrolled {
    padding: 10px 0;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

/* Keep old selector for safety */
.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: 'Playfair Display', serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    white-space: nowrap;
    flex-shrink: 0;
}
.logo img {
    height: 38px;
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
}
.header.scrolled .logo { color: var(--secondary); }

.nav ul {
    display: flex;
    align-items: center;
    gap: 22px;
    flex-wrap: nowrap;
    white-space: nowrap;
}

.nav a {
    color: rgba(255,255,255,0.9);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 12.5px;
    letter-spacing: 0.8px;
    position: relative;
    transition: var(--transition);
    white-space: nowrap;
}
.header.scrolled .nav a { color: var(--secondary); }
.nav a:hover { color: var(--primary) !important; }

/* Buttons */
.btn-primary {
    background: var(--primary);
    color: #fff;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(72, 144, 138, 0.3);
}

.btn-solid {
    background: var(--primary);
    color: #fff;
    padding: 15px 30px;
    border-radius: 5px;
    font-weight: 600;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    border: 2px solid var(--primary);
}
.btn-solid:hover {
    background: transparent;
    color: #fff;
    border-color: #fff;
}
.cta-box .btn-solid:hover {
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline {
    background: transparent;
    color: #fff;
    padding: 15px 30px;
    border-radius: 5px;
    font-weight: 600;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid #fff;
    transition: var(--transition);
}
.btn-outline:hover {
    background: #fff;
    color: var(--secondary);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    width: 100%;
}

.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
    transform: scale(1.05);
    animation: zoomOut 20s ease infinite alternate;
}

@keyframes zoomOut {
    0% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.1);
    z-index: -1;
}

.hero-content {
    color: #fff;
    padding: 40px 35px;
    background: rgba(10, 20, 30, 0.5);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 24px;
    max-width: 420px;
    width: 100%;
    margin-top: 80px;
    margin-left: 0;
    margin-right: auto;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
    box-sizing: border-box;
}

.hero-cta-title {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 12px;
    text-align: center;
    font-weight: 800;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.hero-sub-headline {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 25px;
    text-align: center;
    line-height: 1.6;
}

.btn-shimmer {
    position: relative;
    overflow: hidden;
}

.btn-shimmer::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -100%;
    width: 50%;
    height: 200%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: rotate(25deg);
    animation: shimmer-btn 3s infinite;
}

.hero-form .btn-full {
    padding: 18px 20px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

@keyframes shimmer-btn {
    0% { left: -100%; }
    20% { left: 100%; }
    100% { left: 100%; }
}

.hero-sub-headline strong {
    color: #fff;
    font-weight: 600;
}

.form-success {
    text-align: center;
    padding: 20px 0;
    animation: fadeIn 0.5s ease;
}

.success-icon {
    font-size: 3.5rem;
    color: #4CAF50;
    margin-bottom: 20px;
}

.form-success h3 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.form-success p {
    color: rgba(255,255,255,0.8);
    font-size: 0.95rem;
    margin-bottom: 30px;
}

.success-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 15px 25px;
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    text-align: center;
    display: inline-block;
}

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-top: 15px;
}

.hero-form input {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    color: #fff;
    outline: none;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.08);
}

.hero-form input::placeholder {
    color: rgba(255, 255, 255, 0.6);
    font-weight: 300;
}

.hero-form input:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 15px rgba(72, 144, 138, 0.25);
}

.btn-full {
    width: 100%;
    margin-top: 15px;
    border-radius: 12px;
    padding: 18px;
    font-size: 1rem;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    color: #fff;
    font-weight: 700;
    letter-spacing: 1.5px;
    border: none;
    text-transform: uppercase;
    box-shadow: 0 15px 30px rgba(72, 144, 138, 0.3);
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-full:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 35px rgba(72, 144, 138, 0.45);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0) translateX(-50%);}
    40% {transform: translateY(-10px) translateX(-50%);}
    60% {transform: translateY(-5px) translateX(-50%);}
}

/* Common Section */
.section {
    padding: 100px 0;
}
.bg-gray { background: var(--bg-light); }

/* Tour 360° Section */
.tour360-section {
    background: linear-gradient(135deg, #091515 0%, #112929 50%, #0d2020 100%);
    position: relative;
    overflow: hidden;
}
.tour360-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(72, 144, 138, 0.08) 0%, transparent 60%);
    animation: tour360-pulse 8s ease-in-out infinite alternate;
    pointer-events: none;
}
@keyframes tour360-pulse {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.1) translate(2%, 2%); }
}
.tour360-section .section-header h2 {
    color: #fff;
}
.tour360-section .section-header p {
    color: rgba(255, 255, 255, 0.65);
}
.tour360-section .divider {
    background: var(--primary-light);
}
.tour360-wrapper {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}
.tour360-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(72, 144, 138, 0.2);
    border: 1px solid rgba(102, 193, 184, 0.4);
    color: var(--primary-light);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
    backdrop-filter: blur(6px);
}
.tour360-badge i {
    font-size: 1rem;
}
.tour360-frame-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
    border-radius: 20px;
    overflow: hidden;
    box-shadow:
        0 0 0 1px rgba(102, 193, 184, 0.2),
        0 30px 80px rgba(0, 0, 0, 0.6),
        0 0 60px rgba(72, 144, 138, 0.15);
    background: #000;
}
.tour360-frame-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 20px;
}
.tour360-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 36px;
    flex-wrap: wrap;
}
.tour360-cta .btn-outline {
    border-color: rgba(102, 193, 184, 0.6);
    color: var(--primary-light);
}
.tour360-cta .btn-outline:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.tour360-cta .btn-solid {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 8px 25px rgba(72, 144, 138, 0.4);
}
.tour360-cta .btn-solid:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(72, 144, 138, 0.5);
}
@media (max-width: 768px) {
    .tour360-cta {
        flex-direction: column;
        align-items: stretch;
    }
    .tour360-cta .btn-outline,
    .tour360-cta .btn-solid {
        text-align: center;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-header h2 {
    font-size: 2.5rem;
    text-transform: uppercase;
}
.section-header p {
    color: var(--text-muted);
}

/* Tổng Quan 2-col layout */
.tq-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}
.tq-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Image Gallery Stack */
.tq-image {
    display: flex;
    flex-direction: column;
    gap: 30px;
    height: 100%;
    justify-content: center;
}
.tq-img-main, .tq-img-sub {
    border-radius: 16px;
    overflow: hidden;
    width: 100%;
    box-shadow: 0 20px 50px rgba(0,0,0,0.14);
}
.tq-img-main img, .tq-img-sub img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.tq-img-main:hover img, .tq-img-sub:hover img {
    transform: scale(1.03);
}

/* Key Stats Bar */
.spec-stats {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 40px 0;
    margin-bottom: 60px;
    border-top: 1px solid rgba(0,0,0,0.06);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.stat-num {
    font-family: 'Playfair Display', serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.stat-num small {
    font-size: 1rem;
    margin-left: 2px;
}

.stat-txt {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    font-weight: 500;
}

/* Spec Grid & Cards */
.spec-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.spec-card {
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    border: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

.spec-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(72, 144, 138, 0.15);
    border-color: var(--primary);
}

.spec-card.full-width {
    grid-column: span 2;
}

.spec-icon {
    width: 50px;
    height: 50px;
    background: rgba(72, 144, 138, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.4rem;
    flex-shrink: 0;
}

.spec-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.spec-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 500;
}

.spec-value {
    font-size: 1.05rem;
    color: var(--secondary);
    font-weight: 600;
    line-height: 1.4;
}

/* Responsive Spec Grid */
@media (max-width: 576px) {
    .spec-grid { grid-template-columns: 1fr; }
    .spec-card.full-width { grid-column: span 1; }
}
.overview-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.overview-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.02);
}
.overview-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
}

.overview-card i {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 20px;
}

.overview-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

/* Split Section */
.split-layout {
    display: flex;
    align-items: center;
    gap: 60px;
}

.split-content {
    flex: 1;
}

.split-content h2 {
    font-size: 2.5rem;
}

.split-content p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.feature-list i {
    color: var(--primary);
    background: rgba(72, 144, 138, 0.1);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.horizontal-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.horizontal-list li {
    margin-bottom: 0;
}

.split-image {
    flex: 1;
}

.image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(17, 41, 41, 0.1);
}
.image-wrapper::before {
    content: '';
    display: block;
    padding-top: 100%;
}
.img-placeholder {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}
.image-wrapper:hover .img-placeholder {
    transform: scale(1.05);
}

.image-map-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(17, 41, 41, 0.1);
}
.image-map-wrapper img {
    max-width: 100%;
    width: auto;
    height: auto;
    display: block;
    margin: 0 auto;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: high-quality;
    transition: transform 0.5s ease;
}
.image-map-wrapper:hover img {
    transform: scale(1.05);
}

/* Policy Grid */
.policy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 40px;
}
.policy-card {
    aspect-ratio: 1465 / 2560;
}
.policy-card img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(16,38,63,0.15);
    transition: all 0.4s ease;
}
.policy-card:hover img {
    transform: translateY(-10px);
    box-shadow: 0 25px 60px rgba(16,38,63,0.25);
}

/* Amenities Stats */
.amenity-stats {
    display: flex;
    justify-content: center;
    gap: 80px;
    margin-bottom: 50px;
    background: var(--bg-light);
    padding: 40px;
    border-radius: 20px;
}
.stat-item {
    display: flex;
    align-items: center;
    gap: 20px;
}
.stat-number {
    font-size: 6rem;
    font-weight: 500;
    color: var(--primary);
    line-height: 1;
    display: flex;
    align-items: flex-start;
}
.stat-number .plus {
    font-size: 3rem;
    margin-top: 0;
}
.stat-label {
    font-size: 1.6rem;
    color: var(--secondary);
    text-transform: lowercase;
    font-weight: 600;
    line-height: 1.2;
}

/* Amenities Swiper */
.amenities-slider-wrapper {
    position: relative;
    padding-bottom: 50px; /* Space for pagination */
}
.amenitiesSwiper {
    width: 100%;
    padding: 15px 0;
}
.am-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.am-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.12);
}
.am-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}
.am-caption {
    background: rgba(17, 41, 41, 0.95); /* Xanh đại dương trong suốt */
    color: #fff;
    text-align: center;
    padding: 20px 10px;
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
/* Custom Navigation Arrows */
.am-nav-next, .am-nav-prev {
    color: rgba(255,255,255,0.8) !important;
    background: rgba(0,0,0,0.4);
    width: 40px !important;
    height: 40px !important;
    border-radius: 50%;
    transition: all 0.3s ease;
}
.am-nav-next:hover, .am-nav-prev:hover {
    background: rgba(0,0,0,0.7);
    color: #fff !important;
}
.am-nav-next::after, .am-nav-prev::after {
    font-size: 18px !important;
    font-weight: bold;
}
/* Custom Pagination */
.am-pagination {
    bottom: 0 !important;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 1.1rem;
    letter-spacing: 2px;
}

/* Mặt Bằng Tổng Thể */
.mat-bang-wrapper {
    display: flex;
    flex-direction: column;
    gap: 30px;
}
.mat-bang-img-container {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: zoom-in;
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}
.mat-bang-img-container img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}
.mat-bang-img-container:hover img {
    transform: scale(1.015);
}
.mat-bang-zoom-hint {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(8px);
    color: #fff;
    padding: 10px 18px;
    border-radius: 30px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    pointer-events: none;
    transition: opacity 0.3s;
}
.mat-bang-img-container:hover .mat-bang-zoom-hint {
    opacity: 0;
}
.mat-bang-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 15px 30px;
    justify-content: center;
}
.mb-tag {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--text-main);
    font-weight: 500;
}
.mb-tag-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}
/* Lightbox */
.mb-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.92);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
    padding: 30px;
}
.mb-lightbox.active { display: flex; }
.mb-lightbox img {
    max-width: 95vw;
    max-height: 90vh;
    border-radius: 10px;
    object-fit: contain;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.mb-lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 2.5rem;
    color: #fff;
    cursor: pointer;
    line-height: 1;
    opacity: 0.8;
    transition: opacity 0.2s;
}
.mb-lightbox-close:hover { opacity: 1; }

/* CTA Section */
.cta-section {
    background: url('assets/cta_bg_opt.jpg') center/cover fixed;
    position: relative;
}
/* iOS fix: background-attachment: fixed không hoạt động trên Safari mobile */
@supports (-webkit-touch-callout: none) {
    .cta-section {
        background-attachment: scroll;
    }
}
.cta-section::before {
    content: '';
    position: absolute;
    top:0; left:0; width:100%; height:100%;
    background: rgba(17, 41, 41, 0.85);
}
.cta-box {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 60px;
    display: flex;
    align-items: center;
    gap: 50px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.2);
}
.cta-text { flex: 1; }
.cta-text h2 { color: var(--secondary); margin-bottom: 20px; text-transform: uppercase; }
.cta-form {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.cta-form input {
    width: 100%;
    padding: 15px 20px;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 5px;
    font-family: inherit;
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s;
}
.cta-form input:focus { border-color: var(--primary); }

/* Footer */
.footer {
    background: #091515; /* Footer tối màu tiệp tone */
    color: rgba(255,255,255,0.7);
    padding: 80px 0 0 0;
}
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}
.footer-logo-img {
    height: 55px;
    width: auto;
    margin-bottom: 25px;
    display: block;
}

.footer-col h3 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 1.2rem;
    letter-spacing: 1px;
}
.footer-col p { margin-bottom: 10px; }
.social-links {
    display: flex;
    gap: 15px;
}
.social-links a {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.social-links a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}
.footer-bottom {
    background: #060e18;
    padding: 20px 0;
    text-align: center;
    font-size: 0.9rem;
}

/* Animations */
.reveal-up, .reveal-left, .reveal-right {
    opacity: 0;
    transition: all 1s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.reveal-up { transform: translateY(50px); }
.reveal-left { transform: translateX(-50px); }
.reveal-right { transform: translateX(50px); }

.reveal-up.active, .reveal-left.active, .reveal-right.active {
    opacity: 1;
    transform: translate(0,0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }

/* Ngăn chặn overflow nằm ngang từ các section */
.section, .hero, .footer, .cta-section, .tour360-section {
    overflow-x: hidden;
}

/* Responsive */
/* Hamburger button - hidden on desktop, shown on mobile */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
    flex-shrink: 0;
}
.hamburger span {
    display: block;
    width: 26px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all 0.35s ease;
    transform-origin: center;
}
.header.scrolled .hamburger span { background: var(--secondary); }

/* Hamburger → X animation */
.hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Mobile nav drawer */
.mobile-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(10, 20, 30, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 0;
    z-index: 999;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.4s ease, padding 0.3s ease;
}
.mobile-nav.open {
    display: block;
    max-height: 500px;
    padding: 20px 0 30px;
}
.mobile-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0;
}
.mobile-nav ul li a {
    display: block;
    padding: 15px 30px;
    color: rgba(255,255,255,0.85);
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: all 0.25s ease;
}
.mobile-nav ul li a:hover,
.mobile-nav ul li a:active { color: #c39b62; padding-left: 40px; }
.mobile-nav ul li:last-child a {
    margin: 20px 30px 0;
    padding: 14px;
    text-align: center;
    border-radius: 8px;
    border-bottom: none;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    color: #fff;
}

@media (max-width: 992px) {
    .overview-list .label { flex: 0 0 180px; }
    .tq-layout { grid-template-columns: 1fr; gap: 30px; }
    .tq-image { position: static; }
    .split-layout { flex-direction: column; }
    .hero-content { padding: 25px; margin-top: 20px; margin-left: auto; margin-right: auto; max-width: 340px; }
    .hero-brand-title { font-size: 1.4rem !important; white-space: nowrap; }
    .hero-content h1 { font-size: 2.221rem; }
    .hero-content h1 .hero-subtitle { font-size: 1.6rem; }
    .hero-actions { flex-direction: column; }
    .cta-box { flex-direction: column; padding: 40px; text-align: center; }
    .nav { display: none; }
    .logo {
        flex: 1;
        justify-content: flex-start;
        color: var(--primary);
        gap: 8px;
    }
    .logo img {
        position: static;
        height: 32px;
    }
    .hamburger { display: flex; }
    .am-card img { height: 220px; }
}

/* Floating Contact Buttons */
.floating-contact {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    z-index: 9999;
}

.float-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-decoration: none;
}

.float-btn:hover {
    transform: scale(1.1) translateY(-5px);
    color: #fff;
}

.float-zalo {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    animation: pulse-zalo 2.2s infinite;
    animation-delay: 0.5s; /* Lệch pha với hotline để 2 nút không pulse cùng lúc */
}

.zalo-text {
    font-size: 16px;
    font-weight: bold;
    letter-spacing: 0.5px;
}

.float-hotline {
    background: #dc3545;
    animation: pulse-hotline 2s infinite;
}

@keyframes pulse-zalo {
    0%   { transform: scale(1) rotate(0);    box-shadow: 0 0 0 0   rgba(72, 144, 138, 0.7); }
    5%   { transform: scale(1) rotate(5deg); }
    10%  { transform: scale(1) rotate(-5deg); }
    15%  { transform: scale(1) rotate(5deg); }
    20%  { transform: scale(1) rotate(0); }
    70%  { transform: scale(1.05) rotate(0); box-shadow: 0 0 0 15px rgba(72, 144, 138, 0); }
    100% { transform: scale(1) rotate(0);    box-shadow: 0 0 0 0   rgba(72, 144, 138, 0); }
}

@keyframes pulse-hotline {
    0%   { transform: scale(1) rotate(0);    box-shadow: 0 0 0 0   rgba(220, 53, 69, 0.7); }
    5%   { transform: scale(1) rotate(-5deg); }
    10%  { transform: scale(1) rotate(5deg); }
    15%  { transform: scale(1) rotate(-5deg); }
    20%  { transform: scale(1) rotate(0); }
    70%  { transform: scale(1.05) rotate(0); box-shadow: 0 0 0 15px rgba(220, 53, 69, 0); }
    100% { transform: scale(1) rotate(0);    box-shadow: 0 0 0 0   rgba(220, 53, 69, 0); }
}

.float-top {
    background: var(--secondary);
    width: 45px;
    height: 45px;
    border-radius: 8px; /* Square with rounded corners */
    font-size: 20px;
    margin-top: 5px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

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

/* Auto Popup Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: linear-gradient(135deg, #0b1a1a 0%, #112929 100%);
    border: 1px solid rgba(72, 144, 138, 0.3);
    border-radius: 20px;
    padding: 50px 40px;
    max-width: 480px;
    width: 100%;
    position: relative;
    text-align: center;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
    animation: slideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px) scale(0.95); }
    to   { opacity: 1; transform: translateY(0)  scale(1); }
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.8rem;
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: color 0.2s;
    line-height: 1;
}
.modal-close:hover { color: #fff; }

.modal-content h2 {
    color: var(--primary);
    font-size: 1.6rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.modal-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    margin-bottom: 25px;
    line-height: 1.6;
}

#popup-form .form-group {
    margin-bottom: 20px;
}

#popup-form input {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid rgba(72, 144, 138, 0.25);
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    color: #fff;
    outline: none;
    background: rgba(255, 255, 255, 0.07);
    transition: all 0.3s ease;
}

#popup-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

#popup-form input:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 15px rgba(72, 144, 138, 0.25);
}

#popup-form .btn-full {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    color: #fff;
    font-weight: 700;
    letter-spacing: 1.5px;
}

@media (max-width: 768px) {
    /* === GLOBAL === */
    body { padding-bottom: 74px; }
    .section { padding: 60px 0; }
    .section-header { margin-bottom: 35px; }
    .section-header h2 { font-size: 1.6rem; line-height: 1.3; }
    .section-header p { font-size: 0.9rem; }
    .container { padding: 0 16px; }

    /* === HERO === */
    .hero { min-height: auto; height: auto; padding: 90px 0 50px; }
    .hero-content {
        max-width: calc(100% - 0px);
        width: 100%;
        margin: 0 auto;
        padding: 25px 20px;
        border-radius: 16px;
        overflow: hidden;
        box-sizing: border-box;
    }
    .hero-content .hero-cta-title {
        font-size: clamp(1.15rem, 5vw, 1.5rem);
        letter-spacing: 0;
        line-height: 1.25;
        margin-bottom: 12px;
        word-break: break-word;
    }
    .hero-sub-headline { font-size: 0.85rem; margin-bottom: 16px; }
    .hero-form { gap: 10px; }
    /* iOS: font-size >= 16px để tránh auto-zoom khi focus input */
    .hero-form input { padding: 13px 15px; font-size: 16px; width: 100%; box-sizing: border-box; }
    .cta-form input { font-size: 16px; }
    #popup-form input { font-size: 16px; }
    .btn-full {
        padding: 14px;
        font-size: 0.88rem;
        letter-spacing: 0.5px;
        width: 100%;
        box-sizing: border-box;
    }
    .scroll-indicator { display: none; }

    /* === TỔNG QUAN === */
    .spec-stats { flex-wrap: wrap; gap: 20px; padding: 25px 15px; }
    .stat-item { width: 45%; text-align: center; }
    .stat-num { font-size: 1.8rem; }
    .tq-hide-mobile { display: none; }

    .tq-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .tq-image { order: -1; }
    .tq-img-sub { display: none; }
    .reveal-up,
    .reveal-left,
    .reveal-right {
        opacity: 1;
        transform: none;
        transition: none;
    }
    /* Override cụ thể hơn cho reveal-left/right để chắc chắn không bị translateX */
    .reveal-left { transform: translateY(0) !important; }
    .reveal-right { transform: translateY(0) !important; }

    .spec-grid {
        grid-template-columns: 1fr;
    }
    .spec-card { padding: 15px; gap: 15px; }
    .spec-card.full-width { grid-column: span 1; }
    .spec-icon { width: 40px; height: 40px; }

    /* === VỊ TRÍ === */
    .split-layout {
        flex-direction: column;
        gap: 30px;
    }
    .split-content h2 { font-size: 1.8rem; }
    .split-content p { font-size: 1rem; margin-bottom: 20px; }
    .feature-list li { font-size: 0.95rem; gap: 10px; }
    .horizontal-list { gap: 15px; justify-content: flex-start; }
    .image-wrapper { border-radius: 16px; }

    /* === TIỆN ÍCH === */
    .amenity-stats {
        flex-direction: row;
        justify-content: space-around;
        gap: 15px;
        align-items: center;
        padding: 25px 15px;
        margin-bottom: 30px;
    }
    .stat-number { font-size: 2.2rem; }
    .stat-number .plus { font-size: 1.5rem; }
    .stat-label { font-size: 0.85rem; text-align: center; }

    .am-card img { height: 180px; }
    .am-caption { padding: 15px 10px; font-size: 0.85rem; }

    /* === MẶT BẰNG === */
    .overview-card-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    .mb-img-grid { grid-template-columns: 1fr; gap: 15px; }

    /* === CHÍNH SÁCH === */
    .policy-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    /* === CTA === */
    .cta-box {
        padding: 30px 20px;
        flex-direction: column;
        gap: 25px;
        text-align: center;
        border-radius: 16px;
    }
    .cta-text h2 { font-size: 1.5rem; }
    .cta-form {
        width: 100%;
        flex-direction: column;
    }
    .cta-form input { padding: 13px 16px; font-size: 0.95rem; }

    /* === FOOTER === */
    .footer { padding: 50px 0 0 0; }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .footer-col h3 { font-size: 1.1rem; margin-bottom: 15px; }

    /* === FLOATING BUTTONS === */
    .floating-contact {
        left: 14px;
        right: 14px;
        bottom: 12px;
        flex-direction: row;
        justify-content: center;
        gap: 10px;
        z-index: 9998;
    }
    .float-btn {
        width: calc((100vw - 48px) / 2);
        max-width: 165px;
        height: 46px;
        border-radius: 999px;
        font-size: 17px;
    }
    .float-zalo::after {
        content: "Chat Zalo";
        margin-left: 8px;
        font-size: 13px;
        font-weight: 700;
    }
    .float-hotline::after {
        content: "Gọi ngay";
        margin-left: 8px;
        font-size: 13px;
        font-weight: 700;
    }
    .float-top {
        position: fixed;
        right: 14px;
        bottom: 74px;
        width: 36px;
        height: 36px;
        border-radius: 10px;
        font-size: 15px;
        margin-top: 0;
    }
    .zalo-text { font-size: 13px; }

    /* === FORM SUCCESS === */
    .form-success p { margin-bottom: 15px; font-size: 0.9rem; }
    .success-icon { font-size: 2.5rem; }
    .success-actions { flex-direction: column; gap: 10px; }
    .success-actions a { font-size: 0.85rem; padding: 12px; }
}

/* FAQ Section */
.faq-section {
    background: var(--bg-white);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background: var(--bg-light);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
}

.faq-toggle {
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.faq-toggle h3 {
    font-size: 1.1rem;
    font-family: 'Outfit', sans-serif;
    color: var(--secondary);
    margin: 0;
    font-weight: 600;
}

.faq-toggle i {
    color: var(--primary);
    transition: transform 0.3s ease;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease;
}

.faq-answer-content {
    padding: 0 25px 25px 25px;
}

.faq-answer p {
    color: var(--text-muted);
    margin: 0;
    line-height: 1.6;
}

/* Active State */
.faq-item.active {
    background: #fff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-color: var(--primary);
}

.faq-item.active .faq-toggle i {
    transform: rotate(45deg);
}

.faq-item.active .faq-answer {
    max-height: 500px; /* Large enough to fit content */
}

/* ============================================================
   STICKY MOBILE CTA BAR (Thanh CTA dính dưới cùng - Mobile)
   ============================================================ */
.sticky-cta-bar {
    display: none;
}

@media (max-width: 768px) {
    .sticky-cta-bar {
        display: flex;
        position: fixed;
        bottom: 64px; /* Nằm ngay trên thanh floating buttons */
        left: 0;
        right: 0;
        z-index: 9997;
        background: linear-gradient(135deg, var(--secondary), #1a3d3d);
        padding: 10px 16px;
        gap: 10px;
        align-items: center;
        box-shadow: 0 -4px 20px rgba(0,0,0,0.25);
        border-top: 1px solid rgba(102,193,184,0.2);
        transition: transform 0.3s ease;
    }
    .sticky-cta-bar.hidden {
        transform: translateY(100%);
    }
    .sticky-cta-label {
        flex: 1;
        color: rgba(255,255,255,0.85);
        font-size: 0.78rem;
        line-height: 1.3;
    }
    .sticky-cta-label strong {
        display: block;
        color: #fff;
        font-size: 0.9rem;
    }
    .sticky-cta-btn {
        background: linear-gradient(135deg, var(--primary-light), var(--primary));
        color: #fff;
        font-size: 0.82rem;
        font-weight: 700;
        padding: 10px 18px;
        border-radius: 50px;
        white-space: nowrap;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        box-shadow: 0 4px 12px rgba(72,144,138,0.4);
        transition: transform 0.2s ease;
        flex-shrink: 0;
    }
    .sticky-cta-btn:active {
        transform: scale(0.97);
    }
    /* Điều chỉnh padding body khi có sticky bar */
    body { padding-bottom: 118px; }
}

/* Extra small screens (iPhone SE, cũ, < 390px) */
@media (max-width: 390px) {
    .hero-content {
        padding: 20px 16px;
        border-radius: 14px;
    }
    .hero-content .hero-cta-title {
        font-size: clamp(1.1rem, 5.5vw, 1.4rem);
    }
    .section-header h2 { font-size: 1.4rem; }
    .btn-full { font-size: 0.82rem; padding: 13px 10px; }
    .cta-box { padding: 22px 14px; }
    .cta-text h2 { font-size: 1.3rem; }
    .modal-content { padding: 35px 20px; }
    .modal-content h2 { font-size: 1.3rem; }
    .spec-stats { gap: 12px; padding: 20px 10px; }
    .stat-num { font-size: 1.6rem; }
    .float-btn { height: 42px; font-size: 15px; }
}