/* ==============================================================================
   MASTER STYLESHEET - GOLDEN STUDIO (HIGH-FASHION MINIMALISM SYSTEM)
   Inspired by Tran Vu Bang Studio & Contemporary Editorial Showcase
   ============================================================================== */

/* --- 1. GLOBAL UTILITIES & ANIMATIONS --- */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding-left: var(--section-padding-x);
    padding-right: var(--section-padding-x);
}

.section {
    padding-top: var(--section-padding-y);
    padding-bottom: var(--section-padding-y);
    position: relative;
}

.section-divider {
    width: 100%;
    height: 1px;
    background-color: var(--border-hairline);
    margin: 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto clamp(36px, 5vw, 60px);
}

.section-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--text-muted);
    margin-bottom: 12px;
    white-space: nowrap;
}

.section-title {
    font-family: var(--font-primary);
    font-size: clamp(24px, 3.2vw, 38px);
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 14px;
    text-wrap: balance;
    word-break: keep-all;
}

.section-subtitle {
    font-size: clamp(13px, 1vw, 15px);
    color: var(--text-secondary);
    line-height: 1.7;
    font-weight: 400;
    max-width: 620px;
    margin: 0 auto;
    text-wrap: balance;
}

/* 🎯 TỐI ƯU HÓA NEO TRANG (SCROLL ANCHOR ALIGNMENT) */
:target {
    scroll-margin-top: calc(var(--header-height, 80px) + 14px);
}

section[id], main[id] {
    scroll-margin-top: calc(var(--header-height, 80px) + 14px);
}

#heroSliderSection, #home {
    scroll-margin-top: 0 !important;
}

#portfolioFilterSection {
    scroll-margin-top: var(--header-height, 80px) !important;
}

#gallery {
    scroll-margin-top: calc(var(--header-height, 80px) + 54px) !important;
}

/* Scroll Reveal Animations */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* --- 2. HEADER & MINIMAL NAVIGATION --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: var(--z-sticky);
    transition: background-color 0.4s ease, border-color 0.4s ease, height 0.3s ease, box-shadow 0.4s ease;
}

/* Khi ở trên cùng (Hero Banner) -> Header trong suốt */
.site-header.transparent {
    background-color: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.site-header.transparent .brand-title {
    color: #ffffff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.site-header.transparent .brand-tagline {
    color: rgba(255, 255, 255, 0.8);
}

.site-header.transparent .nav-link {
    color: rgba(255, 255, 255, 0.85);
}

.site-header.transparent .nav-link:hover,
.site-header.transparent .nav-link.active {
    color: #ffffff;
}

.site-header.transparent .nav-link::after {
    background-color: #ffffff;
}

.site-header.transparent .mobile-toggle span {
    background-color: #ffffff;
}

/* Khi cuộn xuống -> Header nền trắng tinh tế */
.site-header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-hairline);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.site-header.scrolled .brand-title {
    color: var(--text-primary);
}

.site-header.scrolled .brand-tagline {
    color: var(--text-muted);
}

.site-header.scrolled .nav-link {
    color: var(--text-secondary);
}

.site-header.scrolled .nav-link:hover,
.site-header.scrolled .nav-link.active {
    color: var(--text-primary);
}

.site-header.scrolled .nav-link::after {
    background-color: var(--text-primary);
}

.site-header.scrolled .mobile-toggle span {
    background-color: var(--text-primary);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.brand-logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
}

.brand-title {
    font-family: var(--font-primary);
    font-size: clamp(16px, 1.6vw, 20px);
    font-weight: 800;
    letter-spacing: 4px;
    text-transform: uppercase;
    line-height: 1.1;
    transition: color 0.3s ease;
}

.brand-tagline {
    font-size: 8.5px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    margin-top: 3px;
    font-weight: 600;
    transition: color 0.3s ease;
}

.nav-desktop {
    display: flex;
    align-items: center;
    gap: clamp(18px, 2.5vw, 36px);
}

.nav-link {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    padding: 6px 0;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1.5px;
    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Header Social Round Icons (Inspired by Tran Vu Bang Header) */
.header-social-icons {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-icon-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: #ffffff;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.header-icon-btn:hover {
    transform: scale(1.12);
}

.site-header.transparent .header-icon-btn.icon-phone { background-color: #27ae60; }
.site-header.transparent .header-icon-btn.icon-zalo { background-color: #0068ff; }
.site-header.transparent .header-icon-btn.icon-map { background-color: #ea4335; }
.site-header.transparent .header-icon-btn.icon-fb { background-color: #3b5998; }
.site-header.transparent .header-icon-btn.icon-insta { background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%); }
.site-header.transparent .header-icon-btn.icon-tiktok { background-color: #000000; }

.site-header.scrolled .header-icon-btn.icon-phone { background-color: #27ae60; }
.site-header.scrolled .header-icon-btn.icon-zalo { background-color: #0068ff; }
.site-header.scrolled .header-icon-btn.icon-map { background-color: #ea4335; }
.site-header.scrolled .header-icon-btn.icon-fb { background-color: #3b5998; }
.site-header.scrolled .header-icon-btn.icon-insta { background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%); }
.site-header.scrolled .header-icon-btn.icon-tiktok { background-color: #111111; }

.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    cursor: pointer;
}

.mobile-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    transition: transform var(--transition-fast), opacity var(--transition-fast), background-color 0.3s ease;
}

/* --- 3. HERO COVER SLIDER (TỰ ĐỘNG THAY ĐỔI ẢNH BÌA) --- */
.hero-slider-section {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 640px;
    overflow: hidden;
    background-color: #000000;
}

.hero-slides-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.8s;
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    z-index: 2;
}

.hero-slide-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    transform: scale(1);
    transition: transform 7s ease-out;
}

.hero-slide.active .hero-slide-bg {
    transform: scale(1.05);
}

.hero-slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.4) 50%, rgba(0, 0, 0, 0.2) 100%),
                linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, transparent 40%);
}

.hero-slide-content {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #ffffff;
    z-index: 3;
    max-width: 820px;
    padding-top: var(--header-height);
}

.hero-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 3.5px;
    text-transform: uppercase;
    color: #ffffff;
    opacity: 0.9;
    margin-bottom: 16px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
}

.hero-title {
    font-family: var(--font-primary);
    font-size: clamp(32px, 4.5vw, 56px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #ffffff;
    margin-bottom: 18px;
    text-shadow: 0 3px 12px rgba(0, 0, 0, 0.7);
    text-wrap: balance;
    word-break: keep-all;
}

.hero-desc {
    font-size: clamp(14px, 1.2vw, 17px);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 36px;
    font-weight: 400;
    max-width: 650px;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
    text-wrap: balance;
}

.hero-cta-group {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 14px 32px;
    transition: transform 0.25s ease, background-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
    cursor: pointer;
}

.hero-btn.btn-primary {
    background-color: #ffffff;
    color: #111111;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.hero-btn.btn-primary:hover {
    background-color: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
}

.hero-btn.btn-outline {
    background-color: rgba(0, 0, 0, 0.3);
    color: #ffffff;
    border: 1.5px solid rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(6px);
}

.hero-btn.btn-outline:hover {
    background-color: #ffffff;
    color: #111111;
    border-color: #ffffff;
    transform: translateY(-2px);
}

/* Slider Controls */
.hero-nav-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.25);
    color: #ffffff;
    font-size: 40px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 5;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    opacity: 0.6;
    transition: opacity var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

.hero-nav-arrow:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.6);
    transform: translateY(-50%) scale(1.08);
}

.hero-prev { left: 24px; }
.hero-next { right: 24px; }

/* Slider Dots */
.hero-dots {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 5;
}

.hero-dot {
    width: 28px;
    height: 3px;
    background-color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: background-color 0.3s ease, width 0.3s ease;
}

.hero-dot.active {
    width: 48px;
    background-color: #ffffff;
}

/* --- 4. DYNAMIC PORTFOLIO TABS (STICKY FILTER BAR) --- */
.portfolio-filter-section {
    position: sticky;
    top: var(--header-height);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-hairline);
    z-index: var(--z-filter);
    padding: 14px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

.filter-tabs-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(16px, 2.5vw, 32px);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    white-space: nowrap;
    padding: 4px 10px;
}

.filter-tabs-wrapper::-webkit-scrollbar {
    display: none;
}

.filter-tab {
    font-family: var(--font-primary);
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    background: none;
    padding: 6px 10px;
    position: relative;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.filter-tab:hover {
    color: var(--text-primary);
}

.filter-tab.active {
    color: var(--text-primary);
}

.filter-tab.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 10px;
    right: 10px;
    height: 2px;
    background-color: var(--text-primary);
}

/* --- 5. MASONRY IMAGE GALLERY --- */
.gallery-section {
    padding-top: 30px;
    padding-bottom: clamp(60px, 8vw, 100px);
}

/* Luxury Filter Status Indicator (Kích hoạt khi vào từ link Sheet/Short.io) */
.gallery-filter-indicator {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fbfbfb;
    border: 1px solid var(--border-subtle);
    border-left: 3px solid var(--text-primary);
    padding: 12px 20px;
    margin-bottom: 28px;
    font-size: 13px;
    letter-spacing: 0.5px;
    animation: fadeInSlide 0.3s ease;
}

@keyframes fadeInSlide {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.gallery-filter-indicator .filter-indicator-content {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    color: var(--text-primary);
}

.gallery-filter-indicator .filter-indicator-tag {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.gallery-filter-indicator .filter-indicator-text {
    font-weight: 400;
}

.gallery-filter-indicator .filter-indicator-text strong {
    font-weight: 600;
    color: var(--text-primary);
}

.gallery-filter-indicator .filter-indicator-clear-btn {
    background: none;
    border: none;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 2px;
    transition: all 0.2s ease;
}

.gallery-filter-indicator .filter-indicator-clear-btn:hover {
    color: #ffffff;
    background-color: var(--text-primary);
}

@media (max-width: 600px) {
    .gallery-filter-indicator {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 14px 16px;
    }
    .gallery-filter-indicator .filter-indicator-clear-btn {
        align-self: flex-end;
    }
}

.masonry-gallery {
    column-count: 4;
    column-gap: var(--gallery-gap);
    width: 100%;
}

@media (max-width: 1300px) {
    .masonry-gallery {
        column-count: 3;
    }
}

@media (max-width: 860px) {
    .masonry-gallery {
        column-count: 2;
    }
}

@media (max-width: 520px) {
    .masonry-gallery {
        column-count: 1;
    }
}

.gallery-item {
    break-inside: avoid;
    margin-bottom: var(--gallery-gap);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background-color: var(--bg-surface);
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.gallery-image-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.gallery-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.25, 1, 0.5, 1);
}

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

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0) 50%);
    opacity: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
    color: #ffffff;
    transition: opacity var(--transition-fast);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item-category {
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.8;
    margin-bottom: 4px;
    font-weight: 600;
}

.gallery-item-title {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.gallery-item-price {
    font-size: 12px;
    font-weight: 400;
    margin-top: 4px;
    opacity: 0.9;
}

.gallery-skeleton {
    width: 100%;
    height: 360px;
    background: linear-gradient(90deg, #f2f2f2 25%, #e6e6e6 50%, #f2f2f2 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    break-inside: avoid;
    margin-bottom: var(--gallery-gap);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* --- 5.1 LUXURY LOAD MORE BUTTON (XEM THÊM TẤT CẢ CONCEPT) --- */
.gallery-more-container {
    display: none;
    justify-content: center;
    align-items: center;
    margin-top: 40px;
    margin-bottom: 20px;
    width: 100%;
}

.gallery-more-btn {
    background-color: transparent;
    border: 1px solid var(--text-primary);
    color: var(--text-primary);
    padding: 13px 32px;
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    border-radius: 2px;
    transition: all 0.25s ease;
}

.gallery-more-btn:hover {
    background-color: var(--text-primary);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}

.gallery-more-icon {
    font-size: 10.5px;
    transition: transform 0.25s ease;
}

.gallery-more-btn:hover .gallery-more-icon {
    transform: translateY(2px);
}

/* --- 6. INTEGRATED PRICING & SEGMENTS --- */
.pricing-section {
    background-color: var(--bg-subtle);
    border-top: 1px solid var(--border-hairline);
    border-bottom: 1px solid var(--border-hairline);
}

.pricing-grid {
    display: block;
    width: 100%;
    margin-top: 32px;
}

/* ==================== BẢNG SO SÁNH GÓI CHỤP THẲNG HÀNG (LUXURY PRICING MATRIX) ==================== */
.pricing-matrix-wrapper {
    width: 100%;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.03);
    overflow: hidden;
}

.pricing-matrix-scroll {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.pricing-matrix-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    text-align: left;
    min-width: 820px;
}

/* --- THEAD: HEADER CỘT VÀ GIÁ GÓI --- */
.pricing-matrix-table thead th {
    padding: 24px 22px;
    vertical-align: top;
    border-bottom: 2px solid rgba(0, 0, 0, 0.08);
    background: #ffffff;
}

.matrix-th-label {
    width: 22%;
    background: #fafafa !important;
    border-right: 1px solid rgba(0, 0, 0, 0.08);
}

.matrix-badge-container {
    min-height: 26px;
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.th-eyebrow {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #888888;
    display: block;
    margin-bottom: 6px;
    line-height: 1.2;
}

.th-main-title {
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #111111;
    display: block;
    line-height: 1.25;
}

.matrix-th-pkg {
    width: 26%;
    position: relative;
    border-right: 1px solid rgba(0, 0, 0, 0.06);
    transition: background-color 0.2s ease;
}

.matrix-th-pkg:last-child {
    border-right: none;
}

/* Cột Featured (Gói Standard) */
.matrix-th-pkg.featured {
    background: #fdfbf7 !important;
    border-left: 2px solid #b89158;
    border-right: 2px solid #b89158;
}

.matrix-badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 12px;
}

.matrix-badge-pill.badge-gold {
    background: linear-gradient(135deg, #c5a059, #9e7836);
    color: #ffffff;
}

.matrix-badge-pill.badge-dark {
    background: #111111;
    color: #dfb776;
    border: 1px solid #dfb776;
}

.matrix-pkg-segment {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #888888;
    display: block;
    margin-bottom: 6px;
    line-height: 1.2;
}

.matrix-th-pkg.featured .matrix-pkg-segment {
    color: #b89158;
}

.matrix-pkg-title {
    font-family: var(--font-primary);
    font-size: 19px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #111111;
    margin-bottom: 8px;
    line-height: 1.25;
}

.matrix-pkg-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 0;
}

.matrix-price-num {
    font-size: 24px;
    font-weight: 800;
    color: #111111;
    letter-spacing: -0.5px;
}

.matrix-price-sub {
    font-size: 12px;
    color: #777777;
}

/* Nút đặt lịch */
.matrix-book-btn {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 14px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border: 1.5px solid #111111;
    background-color: transparent;
    color: #111111;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.25s ease;
}

.matrix-book-btn i {
    font-size: 10px;
    transition: transform 0.25s ease;
}

.matrix-book-btn:hover {
    background-color: #111111;
    color: #ffffff;
}

.matrix-book-btn:hover i {
    transform: translateX(3px);
}

.matrix-book-btn.btn-featured {
    background-color: #111111;
    color: #ffffff;
    border-color: #111111;
}

.matrix-book-btn.btn-featured:hover {
    background-color: #b89158;
    border-color: #b89158;
    color: #ffffff;
}

/* --- TBODY: CÁC DÒNG TIÊU CHÍ NẰM THẲNG HÀNG --- */
.pricing-matrix-table tbody tr {
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: background-color 0.15s ease;
}

.pricing-matrix-table tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.015);
}

.pricing-matrix-table tbody tr.row-even {
    background-color: #ffffff;
}

.pricing-matrix-table tbody tr.row-odd {
    background-color: #fafafa;
}

.matrix-td-label {
    padding: 15px 18px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: #222222;
    background: #f7f7f7 !important;
    border-right: 1px solid rgba(0, 0, 0, 0.08);
    vertical-align: middle;
}

.crit-bullet {
    display: inline-block;
    vertical-align: middle;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #b89158;
    margin-right: 8px;
    flex-shrink: 0;
}

.crit-text {
    vertical-align: middle;
}

.matrix-td-val {
    padding: 15px 20px;
    font-size: 13px;
    color: #333333;
    line-height: 1.5;
    border-right: 1px solid rgba(0, 0, 0, 0.06);
    vertical-align: middle;
}

.matrix-td-val:last-child {
    border-right: none;
}

.matrix-td-val.featured-col {
    background: #fdfbf7;
    border-left: 2px solid #b89158;
    border-right: 2px solid #b89158;
    font-weight: 500;
    color: #111111;
}

/* --- TFOOT: NÚT ĐẶT LỊCH CUỐI BẢNG --- */
.pricing-matrix-table tfoot td {
    padding: 20px 20px;
    background: #ffffff;
    border-top: 2px solid rgba(0, 0, 0, 0.08);
}

.matrix-td-val.footer-val.featured-col {
    background: #fdfbf7;
    border-left: 2px solid #b89158;
    border-right: 2px solid #b89158;
    border-bottom: 2px solid #b89158;
}

.footer-corner {
    background: #fafafa !important;
    border-right: 1px solid rgba(0, 0, 0, 0.08);
}

/* Cố định cột tiêu chí bên trái khi vuốt trên tablet màn hình vừa */
@media (max-width: 991px) and (min-width: 769px) {
    .matrix-th-label,
    .matrix-td-label,
    .footer-corner {
        position: sticky;
        left: 0;
        z-index: 3;
        box-shadow: 2px 0 8px rgba(0, 0, 0, 0.05);
    }
}

/* --- MOBILE PRICING CARDS & SEGMENTED TABS (DÀNH CHO ĐIỆN THOẠI) --- */
.pricing-mobile-wrapper {
    display: none;
    width: 100%;
    margin-top: 24px;
}

/* Thanh điều hướng 3 gói (Segmented Control Tabs) */
.pricing-mobile-nav {
    display: flex;
    background: #f4f4f4;
    padding: 4px;
    border-radius: 30px;
    margin-bottom: 20px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    gap: 4px;
}

.pricing-mobile-nav-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 11px 8px;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: transparent;
    border: none;
    border-radius: 24px;
    color: #666666;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.pricing-mobile-nav-btn i {
    font-size: 11px;
    color: #b89158;
}

.pricing-mobile-nav-btn.active {
    background: #111111;
    color: #ffffff;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
}

.pricing-mobile-nav-btn.active.is-featured {
    background: #111111;
    color: #ffffff;
}

.pricing-mobile-nav-btn.active.is-featured i {
    color: #dfb776;
}

/* Card chi tiết từng gói trên Mobile */
.pricing-mobile-card {
    display: none;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    animation: mobileCardFadeIn 0.25s ease;
}

.pricing-mobile-card.active {
    display: block;
}

@keyframes mobileCardFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.pricing-mobile-card.is-featured {
    border: 2px solid #b89158;
    box-shadow: 0 8px 30px rgba(184, 145, 88, 0.12);
}

/* Header của Card */
.mobile-card-header {
    padding: 24px 20px 20px;
    text-align: center;
    background: #fafafa;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    position: relative;
}

.pricing-mobile-card.is-featured .mobile-card-header {
    background: #fdfbf7;
}

.mobile-card-header .matrix-badge-pill {
    margin-bottom: 8px;
}

.mobile-card-segment {
    display: block;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #888888;
    margin-bottom: 4px;
}

.pricing-mobile-card.is-featured .mobile-card-segment {
    color: #b89158;
}

.mobile-card-title {
    font-family: var(--font-primary);
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #111111;
    margin-bottom: 8px;
}

.mobile-card-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 6px;
}

.mobile-card-price .price-val {
    font-size: 26px;
    font-weight: 800;
    color: #111111;
    letter-spacing: -0.5px;
}

.mobile-card-price .price-sub {
    font-size: 13px;
    color: #777777;
}

/* Danh sách 7 tiêu chí trong Card Mobile */
.mobile-card-features {
    padding: 12px 18px;
}

.mobile-feature-row {
    padding: 13px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.mobile-feature-row:last-child {
    border-bottom: none;
}

.mobile-feature-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: #888888;
    margin-bottom: 4px;
}

.mobile-feature-label .crit-bullet {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #b89158;
    flex-shrink: 0;
}

.mobile-feature-desc {
    font-size: 13.5px;
    color: #222222;
    line-height: 1.55;
    font-weight: 400;
    padding-left: 14px;
}

.pricing-mobile-card.is-featured .mobile-feature-desc {
    color: #111111;
    font-weight: 500;
}

/* Footer của Card Mobile với nút bấm lớn dễ thao tác */
.mobile-card-footer {
    padding: 18px 20px 24px;
    background: #ffffff;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.mobile-book-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    background: #111111;
    color: #ffffff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
}

.mobile-book-btn.btn-featured {
    background: #111111;
    border: 1.5px solid #b89158;
    color: #f7e2bd;
}

.mobile-book-btn i {
    font-size: 11px;
    transition: transform 0.2s ease;
}

.mobile-book-btn:active {
    transform: scale(0.98);
}

/* --- 6.1 CUSTOMER POLICY & BOOKING NOTES (LƯU Ý DÀNH CHO KHÁCH HÀNG) --- */
.pricing-notes-card {
    background-color: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-top: 3px solid #b89158;
    border-radius: 4px;
    padding: clamp(32px, 5vw, 56px) clamp(24px, 4vw, 48px);
    margin-top: 56px;
    position: relative;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.03);
}

.pricing-notes-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 36px;
}

.pricing-notes-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #b89158;
    margin-bottom: 10px;
}

.pricing-notes-title {
    font-family: var(--font-primary);
    font-size: clamp(20px, 2.2vw, 24px);
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #111111;
    margin-bottom: 10px;
}

.pricing-notes-subtitle {
    font-size: 13.5px;
    color: #777777;
    line-height: 1.6;
}

.pricing-notes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 28px;
    margin-bottom: 28px;
}

.pricing-note-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
    background: #fdfdfd;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-left: 2px solid #b89158;
    border-radius: 2px;
    transition: all 0.25s ease;
}

.pricing-note-item:hover {
    background: #fdfbf7;
    border-color: rgba(184, 145, 88, 0.35);
    border-left-color: #b89158;
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.03);
}

.policy-num {
    font-family: var(--font-primary);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 1px;
    color: #b89158;
    line-height: 1.4;
    flex-shrink: 0;
}

.pricing-note-item .note-text {
    font-size: 13px;
    color: #333333;
    line-height: 1.6;
}

.pricing-note-item .note-text strong {
    font-weight: 700;
    color: #111111;
}

/* Khối Quy định Phụ thu Set up & Đạo cụ riêng */
.pricing-notes-surcharge {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: #faf8f5;
    border: 1px solid rgba(184, 145, 88, 0.28);
    border-left: 4px solid #b89158;
    padding: 16px 22px;
    border-radius: 3px;
    margin-bottom: 18px;
}

.surcharge-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: #a47b38;
}

.surcharge-text {
    font-size: 13px;
    color: #2b2b2b;
    line-height: 1.6;
}

.surcharge-text strong {
    color: #111111;
    font-weight: 700;
}

.surcharge-subtext {
    font-size: 12.5px;
    color: #666666;
    line-height: 1.5;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
    padding-top: 8px;
    border-top: 1px dashed rgba(184, 145, 88, 0.25);
}

.surcharge-subtext i {
    color: #b89158;
    font-size: 13px;
}

/* Luxury VIP Policy Notice (thay thế hộp cảnh báo đỏ gắt cũ) */
.pricing-notes-notice {
    display: flex;
    align-items: center;
    gap: 16px;
    background: #111111;
    color: #ffffff;
    padding: 16px 22px;
    border-radius: 3px;
    margin-bottom: 32px;
    border-left: 4px solid #b89158;
}

.notice-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 10.5px;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: #dfb776;
    white-space: nowrap;
    flex-shrink: 0;
}

.notice-badge i {
    font-size: 11px;
    color: #dfb776;
}

.notice-content {
    font-size: 13px;
    color: #e5e5e5;
    line-height: 1.5;
}

.notice-content strong {
    color: #ffffff;
    font-weight: 700;
    text-decoration: underline;
    text-decoration-color: #b89158;
}

/* Footer của Card */
.pricing-notes-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    padding-top: 24px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.notes-brand-group {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.notes-brand-name {
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 2px;
    color: #111111;
}

.notes-contact-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    letter-spacing: 0.5px;
    color: #333333;
    text-decoration: none;
    transition: color 0.2s ease;
}

.notes-contact-link i {
    color: #b89158;
    font-size: 12px;
}

.notes-contact-link:hover {
    color: #b89158;
}

.notes-action-group {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.notes-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    padding: 11px 20px;
    border-radius: 2px;
    transition: all 0.25s ease;
}

/* Nút Zalo phối màu Luxury Black & Gold (Không còn màu xanh dương lạc điệu) */
.notes-action-btn.btn-zalo {
    background-color: #111111;
    color: #ffffff;
    border: 1px solid #111111;
}

.notes-action-btn.btn-zalo i {
    color: #dfb776;
}

.notes-action-btn.btn-zalo:hover {
    background-color: #b89158;
    border-color: #b89158;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(184, 145, 88, 0.25);
}

.notes-action-btn.btn-zalo:hover i {
    color: #ffffff;
}

/* Nút Google Maps tinh tế */
.notes-action-btn.btn-map {
    background-color: transparent;
    color: #111111;
    border: 1px solid #111111;
}

.notes-action-btn.btn-map i {
    color: #b89158;
}

.notes-action-btn.btn-map:hover {
    background-color: #111111;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.notes-action-btn.btn-map:hover i {
    color: #ffffff;
}

@media (max-width: 768px) {
    .pricing-notes-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .pricing-notes-notice {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 14px 16px;
    }
    .pricing-notes-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    .notes-action-group {
        width: 100%;
    }
    .notes-action-btn {
        flex: 1;
        justify-content: center;
        text-align: center;
    }
}

/* --- 7. ABOUT / PHILOSOPHY STATEMENT --- */
.about-section {
    text-align: center;
    padding-top: clamp(70px, 9vw, 130px);
    padding-bottom: clamp(70px, 9vw, 130px);
}

.about-quote {
    font-family: var(--font-primary);
    font-size: clamp(20px, 2.5vw, 32px);
    font-weight: 500;
    line-height: 1.6;
    color: var(--text-primary);
    max-width: 920px;
    margin: 0 auto 28px;
    letter-spacing: 0.5px;
    text-wrap: balance;
    word-break: keep-all;
}

.about-author {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-muted);
}

/* --- 8. FULLSCREEN MINIMAL LIGHTBOX --- */
.lightbox-modal {
    position: fixed;
    inset: 0;
    background-color: rgba(8, 8, 8, 0.97);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: var(--z-lightbox);
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.lightbox-modal.active {
    display: flex;
    opacity: 1;
}

.lightbox-content-wrapper {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.lightbox-main-img {
    max-width: 88vw;
    max-height: 82vh;
    object-fit: contain;
    user-select: none;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
    transition: transform 0.2s ease;
}

.lightbox-info {
    margin-top: 14px;
    text-align: center;
    color: #ffffff;
}

.lightbox-title {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.lightbox-meta {
    font-size: 12px;
    color: #888888;
    margin-top: 4px;
    letter-spacing: 1px;
}

.lightbox-btn {
    position: absolute;
    background: transparent;
    color: #ffffff;
    font-size: 24px;
    padding: 16px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    z-index: 10;
}

.lightbox-btn:hover {
    opacity: 1;
}

.lightbox-close {
    top: 20px;
    right: 24px;
    font-size: 28px;
    line-height: 1;
}

.lightbox-prev {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 32px;
}

.lightbox-prev:hover {
    transform: translateY(-50%) translateX(-3px);
}

.lightbox-next {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 32px;
}

.lightbox-next:hover {
    transform: translateY(-50%) translateX(3px);
}

/* --- 9. CONTACT & MODAL --- */
.contact-section {
    background-color: var(--bg-subtle);
    border-top: 1px solid var(--border-hairline);
    text-align: center;
}

.contact-channels {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: clamp(24px, 4vw, 48px);
    margin-top: 36px;
}

.contact-channel-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.contact-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--text-muted);
}

.contact-val {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 1px;
}

.contact-val:hover {
    text-decoration: underline;
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(6px);
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-card {
    background-color: #ffffff;
    width: 100%;
    max-width: 500px;
    padding: 40px 36px;
    position: relative;
    border: 1px solid var(--border-dark);
}

.modal-close {
    position: absolute;
    top: 18px;
    right: 20px;
    font-size: 22px;
    cursor: pointer;
    color: var(--text-primary);
}

.modal-title {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
    text-align: center;
}

.modal-desc {
    font-size: 13px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    border: 1px solid var(--border-subtle);
    padding: 10px 14px;
    font-size: 13px;
    color: var(--text-primary);
    background-color: #ffffff;
    transition: border-color var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--border-dark);
}

.form-submit {
    width: 100%;
    background-color: var(--text-primary);
    color: #ffffff;
    padding: 13px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 12px;
    transition: background-color var(--transition-fast);
}

.form-submit:hover {
    background-color: #333333;
}

/* --- 10. MINIMAL FOOTER --- */
.site-footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-hairline);
    background-color: #ffffff;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copyright {
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.footer-socials {
    display: flex;
    gap: 20px;
}

.footer-social-link {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.footer-social-link:hover {
    color: var(--text-primary);
}