/* ========== VARIABLES ========== */
:root {
    --bg-main: #050505;
    --bg-darker: #000000;
    --text-main: #e0e0e0;
    --text-light: #ffffff;
    
    /* Gold gradient and colors */
    --gold-primary: #D4AF37;
    --gold-light: #F9F1A4;
    --gold-dark: #996515;
    --gold-gradient: linear-gradient(135deg, #BF953F, #FCF6BA, #B38728, #FBF5B7, #AA771C);
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ========== RESET & BASE ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
}

body {
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-light);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.mb-4 { margin-bottom: 2rem; }
.text-center { text-align: center; }

/* ========== TYPOGRAPHY & UTILITIES ========== */
.gold-text {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: var(--gold-primary);
    display: inline-block;
}

.section-title {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.text-body {
    font-size: 1rem;
    color: #a0a0a0;
}

.text-large {
    font-size: 1.15rem;
}

.divider {
    height: 3px;
    width: 60px;
    background: var(--gold-gradient);
    margin: 1.5rem 0;
}
.divider.center {
    margin: 1.5rem auto;
}

.img-fluid {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    font-family: var(--font-body);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-medium {
    padding: 0.9rem 2rem;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-gold {
    background: var(--gold-gradient);
    color: #000;
    border: none;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--gold-primary);
    border: 1px solid var(--gold-primary);
}

.btn-outline:hover {
    background: rgba(212, 175, 55, 0.1);
}

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

/* Added background immediately if not on index page (page-header class) */
.header.scrolled, .header.page-header {
    background-color: rgba(5, 5, 5, 0.95);
    padding: 15px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

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

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-menu ul {
    display: flex;
    gap: 1.5rem;
}

.nav-menu li a {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding-bottom: 5px;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-gradient);
    transition: var(--transition);
}

.nav-menu li a:hover::after, .nav-menu li a.active::after {
    width: 100%;
}
.nav-menu li a.active {
    color: var(--gold-primary);
}

/* Hamburger Menu Icon */
.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}
.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--gold-primary);
    border-radius: 3px;
    transition: var(--transition);
}

/* ========== HERO SECTION ========== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    transform: scale(1.1);
    animation: zoomOutBg 10s forwards;
    z-index: -2;
}

@keyframes zoomOutBg {
    from { transform: scale(1.1); }
    to { transform: scale(1); }
}

/* Zalo Floating Button */
.floating-zalo {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #0068FF;
    color: white;
    border-radius: 50px;
    display: flex;
    align-items: center;
    padding: 5px 20px 5px 5px;
    box-shadow: 0 4px 15px rgba(0, 104, 255, 0.4);
    z-index: 1000;
    text-decoration: none;
    transition: var(--transition);
}
.floating-zalo:hover { transform: translateY(-5px); box-shadow: 0 6px 20px rgba(0, 104, 255, 0.6); }
.zalo-icon {
    background: white;
    color: #0068FF;
    width: 40px; height: 40px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: bold; font-family: sans-serif;
    margin-right: 15px;
}
.zalo-text { font-weight: 600; text-transform: uppercase; letter-spacing: 1px; font-size: 0.9rem; }
.hover-gold { transition: var(--transition); }
.hover-gold:hover { color: var(--gold-primary); padding-left: 5px; }

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.8) 100%);
    z-index: -1;
}

.hero-content {
    padding-top: 80px;
}

.hero-title {
    font-size: 4.5rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 4px;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-subtitle {
    font-size: 1.8rem;
    font-family: var(--font-heading);
    color: var(--text-light);
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.hero-desc {
    font-size: 1.1rem;
    color: #ccc;
    max-width: 700px;
    margin: 0 auto 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* Page Header (for inner pages) */
.page-banner {
    padding-top: 150px;
    padding-bottom: 80px;
    background: #0a0a0a;
    text-align: center;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}
.page-banner h1 {
    font-size: 3rem;
    color: var(--gold-primary);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 15px;
}

/* ========== SECTIONS ========== */
.section {
    padding: 80px 0;
}

.section-darker {
    background-color: var(--bg-darker);
}

.split-layout {
    display: flex;
    align-items: center;
    gap: 50px;
}

.split-layout > div {
    flex: 1;
}

/* Feature List */
.feature-list {
    margin: 30px 0;
}
.feature-list li {
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
    font-size: 1.05rem;
    color: #e0e0e0;
}
.feature-list li::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: var(--gold-primary);
}

.gold-frame {
    position: relative;
    padding: 15px;
}
.gold-frame::before, .gold-frame::after {
    content: '';
    position: absolute;
    width: 60%; height: 60%;
    z-index: 1;
}
.gold-frame::before {
    top: 0; left: 0;
    border-top: 2px solid var(--gold-primary);
    border-left: 2px solid var(--gold-primary);
}
.gold-frame::after {
    bottom: 0; right: 0;
    border-bottom: 2px solid var(--gold-primary);
    border-right: 2px solid var(--gold-primary);
}
.gold-frame img {
    position: relative;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(0,0,0,0.8);
    transition: transform 0.5s;
}
.gold-frame:hover img {
    transform: scale(1.02);
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-gap: 15px;
    grid-auto-rows: 250px;
}
.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    cursor: pointer;
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s;
}
.gallery-item.item-large {
    grid-column: span 2;
    grid-row: span 2;
}
.gallery-item .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(transparent, rgba(0,0,0,0.9));
    transform: translateY(100%);
    transition: var(--transition);
}
.gallery-item:hover .overlay { transform: translateY(0); }
.gallery-item:hover img { transform: scale(1.1); }
.gallery-item .overlay p {
    color: var(--gold-primary);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin: 0;
}

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.card-dark {
    background-color: #0a0a0a;
    padding: 40px 30px;
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
    border: 1px solid rgba(212, 175, 55, 0.2);
}
.card-dark:hover {
    transform: translateY(-10px);
    border-color: rgba(212, 175, 55, 0.8);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.1);
}
.card-icon { font-size: 3rem; margin-bottom: 20px; }
.card-dark h3 { font-size: 1.5rem; margin-bottom: 15px; color: var(--gold-light); }

/* Product Showcase */
.product-card {
    background: #0a0a0a;
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    transition: var(--transition);
    text-align: center;
}
.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.2);
    border-color: var(--gold-primary);
}
.product-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.5s;
}
.product-card:hover .product-image {
    transform: scale(1.05);
}
.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--gold-gradient);
    color: #000;
    padding: 5px 15px;
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: 4px;
    text-transform: uppercase;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
    z-index: 2;
}
.product-info {
    padding: 30px;
    position: relative;
    z-index: 3;
    background: #0a0a0a;
}
.product-title {
    font-size: 2rem;
    color: var(--gold-primary);
    margin-bottom: 10px;
}
.product-subtitle {
    font-size: 1.15rem;
    color: #ddd;
    margin-bottom: 25px;
    font-family: var(--font-body);
}

/* Amenities Grid */
.amenities-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.amenity-card {
    background: #0f0f0f;
    border: 1px solid rgba(212, 175, 55, 0.15);
    padding: 30px 20px;
    border-radius: 8px;
    text-align: center;
    transition: var(--transition);
}
.amenity-card:hover {
    background: #111;
    border-color: var(--gold-primary);
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.2);
}
.amenity-icon {
    font-size: 2.8rem;
    margin-bottom: 15px;
}
.amenity-title {
    font-size: 1.15rem;
    color: var(--gold-light);
    font-weight: 600;
}

/* Marquee */
.marquee-container {
    width: 100%;
    background: var(--gold-gradient);
    color: #000;
    padding: 12px 0;
    overflow: hidden;
    white-space: nowrap;
    font-weight: 700;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}
.marquee-content {
    display: inline-block;
    animation: marquee 25s linear infinite;
}
.marquee-item {
    display: inline-block;
    padding-right: 80px;
}
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Table for Bảng Giá / Sản Phẩm */
.table-responsive {
    overflow-x: auto;
    margin-top: 30px;
}
.gold-table {
    width: 100%;
    border-collapse: collapse;
    background: #0a0a0a;
    color: #ccc;
    border: 1px solid #333;
}
.gold-table th, .gold-table td {
    padding: 15px;
    text-align: left;
    border: 1px solid #333;
}
.gold-table th {
    background: #151515;
    color: var(--gold-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.gold-table tr:hover td {
    background: #111;
}

/* Footer & Contact */
.contact-wrapper {
    display: flex;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.contact-info, .contact-form-box { flex: 1; }
.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
    font-size: 1.1rem;
}
.info-item .icon { font-size: 1.5rem; }

.contact-form-box {
    background: #0a0a0a;
    padding: 40px;
    border-radius: 8px;
    border: 1px solid rgba(212, 175, 55, 0.3);
}
.form-title {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--gold-primary);
    text-align: center;
}
.form-group { margin-bottom: 20px; }
.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 15px;
    background: #111;
    border: 1px solid #333;
    color: #fff;
    font-family: var(--font-body);
    font-size: 1rem;
    border-radius: 4px;
    transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: var(--gold-primary);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.2);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    padding-bottom: 20px;
    color: #666;
    font-size: 0.9rem;
}

/* Highlight Text for Phap ly */
.doc-list li {
    margin-bottom: 20px;
    padding: 20px;
    background: #111;
    border-left: 3px solid var(--gold-primary);
}
.doc-list li h3 { color: var(--gold-primary); margin-bottom: 10px;}

/* ========== COUNTDOWN ========== */
.countdown-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    align-items: center;
}
.countdown-item {
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid var(--gold-primary);
    border-radius: 8px;
    width: 70px;
    height: 70px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
    backdrop-filter: blur(5px);
}
.countdown-number {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--gold-primary);
    font-weight: 700;
    line-height: 1;
}
.countdown-label {
    font-size: 0.75rem;
    color: #ddd;
    text-transform: uppercase;
    margin-top: 5px;
    letter-spacing: 1px;
}
.countdown-separator {
    color: var(--gold-primary);
    font-size: 2rem;
    font-weight: bold;
    margin: 0 5px;
}

/* Timeline Styling */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}
.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background: var(--gold-gradient);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}
.timeline-item {
    padding: 10px 40px;
    position: relative;
    background: inherit;
    width: 50%;
}
.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background-color: var(--bg-main);
    border: 4px solid var(--gold-primary);
    top: 30px;
    border-radius: 50%;
    z-index: 1;
}
.timeline-left { left: 0; text-align: right; }
.timeline-right { left: 50%; text-align: left; }
.timeline-right::after { left: -10px; }
.timeline-content {
    padding: 20px 30px;
    background-color: #0a0a0a;
    position: relative;
    border-radius: 8px;
    border: 1px solid rgba(212,175,55,0.2);
    transition: var(--transition);
}
.timeline-content:hover {
    border-color: var(--gold-primary);
    box-shadow: 0 5px 15px rgba(212,175,55,0.2);
    transform: translateY(-5px);
}
.timeline-date {
    color: var(--gold-primary);
    font-weight: bold;
    margin-bottom: 10px;
    font-size: 1.2rem;
    font-family: var(--font-heading);
}

/* Legal Checklist */
.legal-checklist {
    list-style: none;
    margin-top: 30px;
}
.legal-checklist li {
    font-size: 1.15rem;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    color: #e0e0e0;
    text-align: left;
}
.gold-tick {
    color: var(--gold-primary);
    font-size: 1.2rem;
    font-weight: bold;
    background: rgba(212, 175, 55, 0.1);
    min-width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid rgba(212, 175, 55, 0.3);
}

/* Stats */
.stats-container {
    display: flex;
    justify-content: space-around;
    padding: 60px 20px;
    background: #080808;
    border-top: 1px solid rgba(212,175,55,0.15);
    border-bottom: 1px solid rgba(212,175,55,0.15);
    flex-wrap: wrap;
    gap: 30px;
}
.stat-item {
    text-align: center;
}
.stat-number {
    font-size: 3.5rem;
    font-family: var(--font-heading);
    margin-bottom: 5px;
}
.stat-label {
    font-size: 1.1rem;
    color: #aaa;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Testimonials */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.testimonial-card {
    background: #111;
    border-radius: 8px;
    padding: 30px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
    position: relative;
    text-align: left;
}
.testimonial-card:hover {
    border-color: rgba(212,175,55,0.3);
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.5);
}
.testimonial-quote-icon {
    font-size: 4rem;
    color: rgba(212, 175, 55, 0.15);
    position: absolute;
    top: 5px;
    right: 20px;
    font-family: serif;
    line-height: 1;
}
.testimonial-text {
    font-size: 1.05rem;
    color: #ccc;
    font-style: italic;
    margin-bottom: 25px;
    line-height: 1.6;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}
.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gold-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #000;
    font-weight: bold;
    flex-shrink: 0;
}
.testimonial-name {
    font-size: 1.1rem;
    color: var(--gold-light);
    font-weight: 600;
}
.testimonial-job {
    font-size: 0.9rem;
    color: #888;
}

/* FAQ Accordion */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    background: #111;
    border: 1px solid rgba(212,175,55,0.2);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: var(--transition);
}
.faq-item.active {
    border-color: var(--gold-primary);
    box-shadow: 0 4px 15px rgba(212,175,55,0.1);
}
.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 20px 25px;
    font-size: 1.15rem;
    font-family: var(--font-body);
    font-weight: 600;
    color: #e0e0e0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-question:hover {
    color: var(--gold-primary);
}
.faq-icon {
    font-size: 1.5rem;
    color: var(--gold-primary);
    transition: transform 0.3s;
}
.faq-item.active .faq-icon {
    transform: rotate(45deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background: #0a0a0a;
}
.faq-answer p {
    padding: 0 25px 25px 25px;
    color: #aaa;
    line-height: 1.6;
}

/* ========== ANIMATION CLASSES ========== */
.reveal-up {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}
.reveal-up.active { opacity: 1; transform: translateY(0); }

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}
.reveal-left.active { opacity: 1; transform: translateX(0); }

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}
.reveal-right.active { opacity: 1; transform: translateX(0); }

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


/* ========== RESPONSIVE ========== */

/* ---- TABLET (max-width: 1024px) ---- */
@media (max-width: 1024px) {
    .section-title { font-size: 2.2rem; }
    .amenities-grid { grid-template-columns: repeat(4, 1fr); }
    .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-wrapper { gap: 40px; }
}

/* ---- TABLET PORTRAIT (max-width: 992px) ---- */
@media (max-width: 992px) {
    .container { padding: 0 24px; }
    .section { padding: 60px 0; }
    .section-title { font-size: 2rem; letter-spacing: 1px; }

    .split-layout {
        flex-direction: column;
        gap: 40px;
    }

    .hero-title { font-size: 3rem; }
    .hero-subtitle { font-size: 1.3rem; }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 200px;
    }
    .gallery-item.item-large { grid-column: span 2; grid-row: span 1; }

    .card-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .amenities-grid { grid-template-columns: repeat(3, 1fr); }
    .testimonial-grid { grid-template-columns: repeat(2, 1fr); }

    .contact-wrapper {
        flex-direction: column;
        gap: 40px;
    }

    .page-banner { padding-top: 120px; padding-bottom: 60px; }
    .page-banner h1 { font-size: 2.2rem; letter-spacing: 2px; }

    .product-image { height: 250px; }
}

/* ---- MOBILE (max-width: 768px) ---- */
@media (max-width: 768px) {
    .container { padding: 0 16px; }
    .section { padding: 50px 0; }
    .section-title {
        font-size: 1.7rem;
        letter-spacing: 0.5px;
        line-height: 1.3;
    }

    /* === MOBILE NAVIGATION === */
    .header { padding: 14px 0; }
    .header.scrolled, .header.page-header { padding: 12px 0; }
    .header-container .btn { display: none; }
    .hamburger { display: flex; }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 300px;
        height: 100vh;
        background: rgba(5, 5, 5, 0.98);
        border-left: 1px solid rgba(212, 175, 55, 0.3);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.4s ease;
        z-index: 999;
        backdrop-filter: blur(10px);
    }
    .nav-menu.active {
        right: 0;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.7);
    }
    .nav-menu ul {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
        padding: 0;
    }
    .nav-menu li a { font-size: 1.1rem; letter-spacing: 2px; }

    /* Hamburger → X animation */
    .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
    .hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
    .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

    /* === HERO === */
    .hero-section { min-height: 100svh; }
    .hero-background { background-attachment: scroll; } /* Fix parallax on mobile */
    .hero-content { padding: 100px 16px 40px; }
    .hero-title {
        font-size: 2rem !important;
        letter-spacing: 1px !important;
        line-height: 1.3 !important;
    }
    .hero-title .gold-text { font-size: 1.6rem !important; }
    .hero-subtitle { font-size: 1rem !important; }
    .hero-buttons {
        flex-direction: column;
        gap: 14px;
        align-items: center;
    }
    .hero-buttons .btn { width: 100%; max-width: 320px; }

    /* === COUNTDOWN === */
    .countdown-item { width: 58px; height: 58px; }
    .countdown-number { font-size: 1.4rem; }
    .countdown-separator { font-size: 1.5rem; }
    .countdown-container { gap: 8px; }

    /* === PAGE BANNER (inner pages) === */
    .page-banner { padding-top: 100px; padding-bottom: 40px; }
    .page-banner h1 { font-size: 1.7rem; letter-spacing: 1px; }
    .page-banner p { font-size: 0.95rem; }

    /* === CARDS & GRIDS === */
    .card-grid { grid-template-columns: 1fr; gap: 16px; }
    .card-dark { padding: 28px 20px; }

    .amenities-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .amenity-card { padding: 22px 14px; }
    .amenity-icon { font-size: 2.2rem; }

    /* === GALLERY === */
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 160px;
        gap: 10px;
    }
    .gallery-item.item-large {
        grid-column: span 2;
        grid-row: span 1;
    }

    /* === PRODUCT CARDS === */
    .product-image { height: 210px; }
    .product-title { font-size: 1.5rem; }
    .product-info { padding: 20px; }

    /* === STATS === */
    .stats-container { padding: 40px 16px; gap: 24px; }
    .stat-number { font-size: 2.5rem; }
    .stat-label { font-size: 0.9rem; }

    /* === TESTIMONIALS === */
    .testimonial-grid { grid-template-columns: 1fr; gap: 16px; }
    .testimonial-card { padding: 24px 20px; }

    /* === TIMELINE === */
    .timeline::after { left: 20px; }
    .timeline-item {
        width: 100%;
        padding-left: 56px;
        padding-right: 16px;
        text-align: left;
    }
    .timeline-right { left: 0; }
    .timeline-left { text-align: left; }
    .timeline-left::after, .timeline-right::after {
        left: 8px;
        right: auto;
        width: 16px;
        height: 16px;
    }
    .timeline-content { padding: 16px 20px; }
    .timeline-date { font-size: 1rem; }

    /* === LEGAL CHECKLIST === */
    .legal-checklist li { font-size: 1rem; gap: 14px; }
    .gold-tick { min-width: 36px; height: 36px; font-size: 1rem; }

    /* === FAQ === */
    .faq-question { font-size: 1rem; padding: 16px 18px; }
    .faq-answer p { padding: 0 18px 18px; font-size: 0.95rem; }

    /* === GOLD FRAME === */
    .gold-frame { padding: 10px; }
    .split-layout { gap: 30px; }

    /* === MAP === */
    .map-container iframe { height: 280px !important; }

    /* === FOOTER === */
    .contact-wrapper {
        flex-direction: column;
        gap: 30px;
        padding-bottom: 40px;
    }
    .info-item { font-size: 0.95rem; gap: 12px; }
    .footer-bottom { font-size: 0.8rem; padding-top: 20px; }

    /* === SCROLL FORM === */
    .contact-form-box { padding: 30px 20px !important; }
    .form-title { font-size: 1.6rem !important; }

    /* === MARQUEE === */
    .marquee-container { font-size: 0.9rem; }

    /* === FLOATING ZALO === */
    .floating-zalo {
        bottom: 16px;
        right: 16px;
        padding: 8px;
        border-radius: 50%;
    }
    .zalo-text { display: none; }
    .zalo-icon { margin-right: 0; }

    /* === TABLE === */
    .gold-table th, .gold-table td {
        padding: 10px 12px;
        font-size: 0.85rem;
    }

    /* === DOC LIST === */
    .doc-list li { padding: 16px; }

    /* === BUTTONS === */
    .btn-large { padding: 0.85rem 1.8rem; font-size: 1rem; }
}

/* ---- SMALL MOBILE (max-width: 480px) ---- */
@media (max-width: 480px) {
    .section-title { font-size: 1.45rem; }
    .container { padding: 0 14px; }
    .section { padding: 40px 0; }

    .hero-title { font-size: 1.65rem !important; }
    .hero-title .gold-text { font-size: 1.4rem !important; }

    .countdown-item { width: 52px; height: 52px; }
    .countdown-number { font-size: 1.2rem; }
    .countdown-label { font-size: 0.65rem; }
    .countdown-separator { font-size: 1.2rem; margin: 0; }
    .countdown-container { gap: 5px; }

    .amenities-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .amenity-card { padding: 18px 10px; }
    .amenity-title { font-size: 0.9rem; }
    .amenity-icon { font-size: 1.8rem; margin-bottom: 10px; }

    .gallery-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 200px;
    }
    .gallery-item.item-large { grid-column: span 1; }

    .page-banner h1 { font-size: 1.4rem; }

    .gold-table th, .gold-table td {
        padding: 8px 10px;
        font-size: 0.8rem;
    }

    .stat-number { font-size: 2rem; }
    .product-image { height: 180px; }
    .product-title { font-size: 1.3rem; }

    /* Map smaller on smallest screens */
    .map-container iframe { height: 220px !important; }

    .hero-buttons .btn { font-size: 0.9rem; max-width: 100%; }

    .contact-form-box { padding: 24px 14px !important; }
}