/* ==========================================================================
   CÔNG TY CỔ PHẦN THỦY ĐIỆN BẮC HÀ (BHHC) - VĂN HÓA DOANH NGHIỆP & CỘNG ĐỒNG
   Theme: Pure Ocean Blue & Corporate Clean White (#0A4D68, #0077B6, #0096C7, #0A2647)
   ========================================================================== */

/* 1. CSS VARIABLES & SYSTEM RESET */
:root {
    --primary-blue: #0A4D68;
    --royal-blue: #0077B6;
    --accent-cyan: #0096C7;
    --sky-light: #EBF4F6;
    --ocean-deep: #0A2647;
    --cyan-neon: #05BFDB;
    
    /* Backgrounds */
    --bg-page: #F8FAFC;
    --bg-card: #FFFFFF;
    --bg-glass-nav: rgba(255, 255, 255, 0.96);
    --bg-dark-glass: rgba(10, 77, 104, 0.85);

    /* Text Colors */
    --text-heading: #0A2647;
    --text-main: #1E293B;
    --text-muted: #475569;
    --text-dim: #64748B;
    --text-pure: #FFFFFF;

    /* Borders & Shadows */
    --border-subtle: #E2E8F0;
    --border-light: #EDF2F7;
    --border-accent: rgba(0, 119, 182, 0.3);
    --shadow-sm: 0 2px 8px rgba(10, 38, 71, 0.05);
    --shadow-md: 0 6px 20px rgba(10, 38, 71, 0.08);
    --shadow-lg: 0 12px 36px rgba(10, 38, 71, 0.12);
    --shadow-hover: 0 16px 40px rgba(0, 119, 182, 0.16);

    /* Typography */
    --font-heading: 'Montserrat', 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 85px;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.65;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-heading);
    font-weight: 700;
    line-height: 1.3;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.25s ease;
}

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 28px;
}

.gradient-text {
    background: linear-gradient(135deg, #0077B6 0%, #0096C7 50%, #05BFDB 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-cyan {
    color: var(--accent-cyan) !important;
}

/* 2. TOPBAR */
.topbar {
    background: #0A2647;
    color: #E2E8F0;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    z-index: 1001;
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 40px;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 22px;
}

.topbar-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.topbar-item strong {
    color: #FFFFFF;
    font-weight: 600;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 18px;
}

/* Topbar Quick Search Form */
.topbar-search-form {
    display: flex;
    align-items: center;
}

.search-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input-wrap .search-icon {
    position: absolute;
    left: 10px;
    font-size: 0.8rem;
    color: #94A3B8;
    pointer-events: none;
}

.topbar-search-input {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 4px 30px 4px 28px;
    color: #FFFFFF;
    font-size: 0.8rem;
    width: 190px;
    transition: all 0.3s ease;
    outline: none;
}

.topbar-search-input:focus {
    width: 240px;
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--cyan-neon);
}

.topbar-search-input::placeholder {
    color: #94A3B8;
}

.search-submit-btn {
    position: absolute;
    right: 6px;
    background: transparent;
    border: none;
    color: #94A3B8;
    cursor: pointer;
    font-size: 0.75rem;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.search-submit-btn:hover {
    color: var(--cyan-neon);
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.8rem;
    font-weight: 600;
}

.lang-btn {
    background: none;
    border: none;
    color: #94A3B8;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.8rem;
    padding: 2px 4px;
    transition: color 0.2s;
}

.lang-btn.active, .lang-btn:hover {
    color: #FFFFFF;
}

.lang-switch .sep {
    color: rgba(255, 255, 255, 0.3);
}

/* 3. MAIN HEADER NAVIGATION (GLASSMORPHISM) */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s var(--ease-out);
}

.glass-nav {
    background: var(--bg-glass-nav);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: 0 4px 20px rgba(10, 38, 71, 0.05);
}

.header.scrolled {
    box-shadow: 0 8px 30px rgba(10, 38, 71, 0.12);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

/* Logo Box */
.logo-box {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
}

.logo-img-wrapper {
    width: 46px;
    height: 46px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bhhc-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.logo-text-group {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-family: var(--font-heading);
    font-size: 1.22rem;
    font-weight: 800;
    color: var(--ocean-deep);
    letter-spacing: 0.6px;
    line-height: 1.15;
}

.logo-sub {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--royal-blue);
    letter-spacing: 0.4px;
}

/* Desktop Navigation */
.desktop-nav {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link {
    display: inline-block;
    padding: 10px 14px;
    font-size: 0.94rem;
    font-weight: 600;
    color: #334155;
    border-radius: 8px;
    transition: all 0.2s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--royal-blue);
    background: rgba(0, 119, 182, 0.06);
}

.nav-link.active {
    color: var(--royal-blue);
    background: rgba(0, 119, 182, 0.08);
    font-weight: 700;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 14px;
    right: 14px;
    height: 2.5px;
    background: var(--royal-blue);
    border-radius: 2px;
}

/* Header Action Buttons */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
    outline: none;
    transition: all 0.25s ease;
    text-decoration: none;
}

.btn-glow-cta {
    background: linear-gradient(135deg, #0077B6 0%, #0096C7 100%);
    color: #FFFFFF;
    box-shadow: 0 4px 14px rgba(0, 119, 182, 0.35);
    border-radius: 30px;
    padding: 8px 18px;
    font-size: 0.88rem;
}

.btn-glow-cta:hover {
    background: linear-gradient(135deg, #0A4D68 0%, #0077B6 100%);
    box-shadow: 0 6px 20px rgba(0, 119, 182, 0.45);
    transform: translateY(-1px);
    color: #FFFFFF;
}

.btn-primary-glow {
    background: linear-gradient(135deg, var(--royal-blue) 0%, var(--accent-cyan) 100%);
    color: #FFFFFF;
    box-shadow: 0 6px 18px rgba(0, 119, 182, 0.25);
}

.btn-primary-glow:hover {
    box-shadow: 0 8px 24px rgba(0, 119, 182, 0.4);
    transform: translateY(-2px);
    color: #FFFFFF;
}

.btn-outline-cyan {
    background: transparent;
    border: 1.5px solid var(--accent-cyan);
    color: var(--royal-blue);
}

.btn-outline-cyan:hover {
    background: var(--accent-cyan);
    color: #FFFFFF;
}

/* Hamburger Button */
.hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger-btn span {
    width: 100%;
    height: 2.5px;
    background-color: var(--ocean-deep);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* 4. MOBILE DRAWER */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    background: #FFFFFF;
    z-index: 2000;
    box-shadow: -6px 0 25px rgba(10, 38, 71, 0.2);
    transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    padding: 24px 20px;
}

.mobile-drawer.open {
    right: 0;
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 20px;
}

.logo-drawer {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img-wrapper-drawer {
    width: 36px;
    height: 36px;
}

.logo-main-drawer {
    font-size: 1rem;
    font-weight: 800;
    color: var(--ocean-deep);
}

.logo-sub-drawer {
    font-size: 0.65rem;
    color: var(--royal-blue);
    display: block;
}

.close-drawer-btn {
    background: transparent;
    border: none;
    font-size: 2rem;
    color: #64748B;
    cursor: pointer;
    line-height: 1;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mob-link {
    display: block;
    padding: 12px 16px;
    font-size: 1rem;
    font-weight: 600;
    color: #1E293B;
    border-radius: 8px;
}

.mob-link:hover, .mob-link.active {
    background: rgba(0, 119, 182, 0.08);
    color: var(--royal-blue);
}

.drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(10, 38, 71, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.drawer-backdrop.open {
    opacity: 1;
    visibility: visible;
}

/* 5. SUBPAGE STATIC HERO (ĐỒNG BỘ CHUẨN TẤT CẢ CÁC TRANG) */
.subpage-hero {
    position: relative;
    background-color: #0A2647;
    background-image: url('AnhPoster/AnhPoster.JPG');
    background-size: cover;
    background-position: 50% 60%;
    background-repeat: no-repeat;
    min-height: 450px;
    padding: 150px 0 45px;
    display: flex;
    align-items: flex-end;
    border-bottom: 4px solid var(--accent-cyan);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(10, 38, 71, 0.15);
}

.subpage-hero-inner {
    position: relative;
    z-index: 2;
    width: 100%;
}

.subpage-breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(10, 38, 71, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 14px;
    width: fit-content;
}

.subpage-breadcrumb a {
    color: #05BFDB;
    text-decoration: none;
    font-weight: 500;
}

.subpage-breadcrumb a:hover {
    color: #FFFFFF;
    text-decoration: underline;
}

.subpage-breadcrumb .crumb-sep {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
}

.subpage-breadcrumb .crumb-current {
    color: #FFFFFF;
    font-weight: 600;
}

.subpage-title {
    font-family: var(--font-heading);
    font-size: 2.7rem;
    font-weight: 900;
    color: #FFFFFF;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin: 0;
    line-height: 1.2;
    text-shadow: 0 3px 14px rgba(0, 0, 0, 0.95), 0 1px 4px rgba(0, 0, 0, 0.95);
    display: block;
}

/* 6. STICKY QUICK FILTER & SEARCH BAR */
.culture-filter-bar {
    position: sticky;
    top: 72px;
    z-index: 900;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: 0 4px 20px rgba(10, 38, 71, 0.06);
    padding: 14px 0;
    transition: all 0.3s ease;
}

.culture-filter-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    width: 100%;
}

.culture-category-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 10px 12px;
    width: 100%;
}

.category-tab-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    background: #F1F5F9;
    border: 1.5px solid #E2E8F0;
    border-radius: 30px;
    font-size: 0.88rem;
    font-weight: 600;
    color: #475569;
    cursor: pointer;
    white-space: nowrap;
    flex: 1 1 auto;
    text-align: center;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.category-tab-btn:hover {
    background: #E2E8F0;
    color: var(--royal-blue);
    border-color: #CBD5E1;
    transform: translateY(-2px);
}

.category-tab-btn.active {
    background: linear-gradient(135deg, var(--royal-blue) 0%, var(--accent-cyan) 100%);
    color: #FFFFFF;
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(0, 119, 182, 0.3);
    transform: translateY(-1px);
}

.culture-filter-search {
    position: relative;
    width: 100%;
    max-width: 580px;
    margin: 0 auto;
}

.culture-filter-search-input {
    width: 100%;
    padding: 10px 40px 10px 42px;
    background: #F8FAFC;
    border: 1.5px solid #CBD5E1;
    border-radius: 30px;
    font-size: 0.9rem;
    color: var(--text-main);
    outline: none;
    transition: all 0.25s ease;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.04);
}

.culture-filter-search-input:focus {
    border-color: var(--royal-blue);
    background: #FFFFFF;
    box-shadow: 0 0 0 4px rgba(0, 119, 182, 0.15);
}

.culture-filter-search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: #94A3B8;
    font-size: 0.9rem;
    pointer-events: none;
}

.culture-filter-search-clear {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #94A3B8;
    font-size: 1.2rem;
    cursor: pointer;
    display: none;
    line-height: 1;
    padding: 4px;
}

.culture-filter-search-clear.show {
    display: block;
}

/* 7. SPOTLIGHT FEATURED SECTION */
.culture-spotlight-section {
    padding: 40px 0 30px;
}

.spotlight-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 30px;
    align-items: stretch;
}

.spotlight-lead-card {
    background: #FFFFFF;
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.spotlight-lead-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.spotlight-thumb-wrap {
    position: relative;
    height: 380px;
    overflow: hidden;
}

.spotlight-thumb-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.spotlight-lead-card:hover .spotlight-thumb-wrap img {
    transform: scale(1.04);
}

.spotlight-badge {
    position: absolute;
    top: 18px;
    left: 18px;
    background: linear-gradient(135deg, #DC2626 0%, #EF4444 100%);
    color: #FFFFFF;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.4);
    z-index: 2;
}

.spotlight-overlay-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 38, 71, 0.65) 0%, transparent 60%);
}

.spotlight-content {
    padding: 30px 32px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.spotlight-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 14px;
    font-size: 0.85rem;
    color: var(--text-dim);
}

.badge-tag-cul {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.tag-union {
    background: #E0F2FE;
    color: #0284C7;
}

.tag-csr {
    background: #DCFCE7;
    color: #15803D;
}

.tag-party {
    background: #FEE2E2;
    color: #B91C1C;
}

.spotlight-title {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--text-heading);
    line-height: 1.35;
    margin-bottom: 14px;
    transition: color 0.2s;
}

.spotlight-lead-card:hover .spotlight-title {
    color: var(--royal-blue);
}

.spotlight-summary {
    color: #475569;
    font-size: 0.96rem;
    line-height: 1.7;
    margin-bottom: 24px;
    flex-grow: 1;
}

.spotlight-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 18px;
    border-top: 1px solid var(--border-light);
}

.read-time {
    font-size: 0.82rem;
    color: #94A3B8;
}

/* Side Spotlight Cards */
.spotlight-side-column {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.spotlight-side-card {
    background: #FFFFFF;
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    flex: 1;
}

.spotlight-side-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.side-thumb-wrap {
    position: relative;
    height: 170px;
    overflow: hidden;
}

.side-thumb-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.spotlight-side-card:hover .side-thumb-wrap img {
    transform: scale(1.05);
}

.side-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 3px 10px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 700;
}

.side-card-content {
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.side-card-content .meta-date {
    font-size: 0.8rem;
    color: #94A3B8;
    margin-bottom: 8px;
}

.side-title {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 8px;
    color: var(--text-heading);
}

.side-desc {
    font-size: 0.88rem;
    color: #64748B;
    line-height: 1.6;
    margin-bottom: 14px;
    flex-grow: 1;
}

.side-read-link {
    background: none;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--royal-blue);
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    padding: 0;
    align-self: flex-start;
}

.side-read-link:hover {
    color: var(--accent-cyan);
    gap: 9px;
}

/* 8. SECTION HEAD BAR & CATEGORY SECTIONS */
.content-section {
    padding: 60px 0;
}

.culture-category-section {
    padding: 56px 0 64px;
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    transition: opacity 0.3s ease;
    scroll-margin-top: 140px;
}

.culture-category-section:nth-of-type(even) {
    background: #F8FAFC;
}

.section-head-bar {
    margin-bottom: 36px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #E0F2FE;
    color: var(--royal-blue);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 10px;
}

.section-title {
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--ocean-deep);
    letter-spacing: -0.5px;
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 1rem;
    color: #475569;
    max-width: 820px;
    line-height: 1.65;
}

/* 9. 5 CORE VALUES SECTION */
.core-values-section {
    background: #FFFFFF;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.core-values-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 22px;
}

.value-card {
    position: relative;
    background: #F8FAFC;
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 30px 22px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.value-card:hover {
    transform: translateY(-8px);
    background: #FFFFFF;
    border-color: var(--royal-blue);
    box-shadow: 0 16px 36px rgba(0, 119, 182, 0.12);
}

.value-card.active-pillar {
    background: #FFFFFF;
    border-color: var(--accent-cyan);
    box-shadow: 0 8px 25px rgba(0, 150, 199, 0.1);
}

.value-letter {
    position: absolute;
    top: -15px;
    right: -10px;
    font-family: var(--font-heading);
    font-size: 6.5rem;
    font-weight: 900;
    color: rgba(10, 77, 104, 0.04);
    pointer-events: none;
    line-height: 1;
    z-index: 1;
}

.value-icon-box {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--royal-blue) 0%, var(--accent-cyan) 100%);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 20px;
    box-shadow: 0 6px 16px rgba(0, 119, 182, 0.25);
    position: relative;
    z-index: 2;
}

.value-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--ocean-deep);
    margin-bottom: 12px;
    position: relative;
    z-index: 2;
}

.value-desc {
    font-size: 0.9rem;
    color: #475569;
    line-height: 1.65;
    margin-bottom: 20px;
    flex-grow: 1;
    position: relative;
    z-index: 2;
}

.value-highlight {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-top: 14px;
    border-top: 1px dashed var(--border-subtle);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--royal-blue);
    position: relative;
    z-index: 2;
}

/* 10. SECTION: VĂN HÓA AN TOÀN 5S */
.safety-5s-section {
    background: linear-gradient(180deg, #F8FAFC 0%, #F1F5F9 100%);
}

.safety-5s-banner {
    background: #0A2647;
    border-radius: 24px;
    padding: 48px;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 45px rgba(10, 38, 71, 0.2);
}

.safety-5s-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(5, 191, 219, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.safety-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(5, 191, 219, 0.15);
    border: 1px solid rgba(5, 191, 219, 0.3);
    color: var(--cyan-neon);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 16px;
}

.safety-title {
    font-size: 2rem;
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 16px;
    line-height: 1.3;
}

.safety-lead {
    color: #CBD5E1;
    font-size: 0.98rem;
    line-height: 1.7;
    margin-bottom: 30px;
}

.steps-5s-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.step-5s-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 12px 18px;
    transition: all 0.25s ease;
}

.step-5s-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--cyan-neon);
    transform: translateX(4px);
}

.step-number {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--cyan-neon);
    background: rgba(5, 191, 219, 0.15);
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-info h4 {
    font-size: 0.95rem;
    color: #FFFFFF;
    margin-bottom: 3px;
}

.step-info p {
    font-size: 0.84rem;
    color: #94A3B8;
    line-height: 1.5;
    margin: 0;
}

/* Quote Card on Right */
.safety-quote-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    padding: 36px 30px;
    display: flex;
    flex-direction: column;
}

.quote-icon {
    font-size: 2.2rem;
    color: var(--cyan-neon);
    margin-bottom: 18px;
    opacity: 0.8;
}

.quote-text {
    color: #F8FAFC;
    font-size: 1.05rem;
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 24px;
}

.quote-author strong {
    display: block;
    color: #FFFFFF;
    font-size: 0.95rem;
}

.quote-author span {
    color: #94A3B8;
    font-size: 0.82rem;
}

.safety-metrics-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.metric-item {
    text-align: center;
}

.metric-item .num {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--cyan-neon);
    line-height: 1.1;
    margin-bottom: 4px;
}

.metric-item .lbl {
    font-size: 0.74rem;
    color: #CBD5E1;
    line-height: 1.3;
}

/* 11. CULTURE STREAM FEED GRID */
.culture-feed-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.culture-card {
    background: #FFFFFF;
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.culture-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 119, 182, 0.3);
}

.card-thumb-wrap {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.card-thumb-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.culture-card:hover .card-thumb-wrap img {
    transform: scale(1.06);
}

.card-badges-flex {
    position: absolute;
    top: 14px;
    left: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    z-index: 3;
    flex-wrap: wrap;
}

.card-badges-flex .card-badge {
    position: static;
    top: auto;
    left: auto;
}

.card-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.4px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.badge-pinned {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.35);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    letter-spacing: 0.5px;
}

.badge-union {
    background: #0284C7;
    color: #FFFFFF;
}

.badge-csr {
    background: #16A34A;
    color: #FFFFFF;
}

.badge-env {
    background: #0D9488;
    color: #FFFFFF;
}

.badge-award {
    background: #EA580C;
    color: #FFFFFF;
}

.badge-value {
    background: #7C3AED;
    color: #FFFFFF;
}

.badge-party {
    background: #DC2626;
    color: #FFFFFF;
}

.badge-photo {
    background: #0284C7;
    color: #FFFFFF;
}

.badge-video {
    background: #E11D48;
    color: #FFFFFF;
}

.card-media-count {
    position: absolute;
    top: 14px;
    right: 14px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.72rem;
    font-weight: 600;
    background: rgba(10, 38, 71, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.video-thumb-wrap {
    cursor: pointer;
}

.card-play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 38, 71, 0.28);
    transition: background 0.3s ease;
}

.culture-card:hover .card-play-overlay {
    background: rgba(10, 38, 71, 0.45);
}

.play-icon-pulse {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    color: var(--royal-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    padding-left: 3px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
    transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
    position: relative;
}

.play-icon-pulse::before {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.6);
    animation: playRipple 2s infinite ease-out;
}

@keyframes playRipple {
    0% {
        transform: scale(0.9);
        opacity: 1;
    }
    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}

.culture-card:hover .play-icon-pulse {
    transform: scale(1.12);
    background: var(--royal-blue);
    color: #FFFFFF;
}

.video-duration-badge {
    position: absolute;
    bottom: 12px;
    right: 12px;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    background: rgba(0, 0, 0, 0.75);
    color: #FFFFFF;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    color: #94A3B8;
    margin-bottom: 12px;
}

.culture-card-title {
    font-size: 1.12rem;
    font-weight: 700;
    color: var(--text-heading);
    line-height: 1.45;
    margin-bottom: 12px;
    cursor: pointer;
    transition: color 0.2s;
}

.culture-card-title:hover {
    color: var(--royal-blue);
}

.culture-card-desc {
    font-size: 0.9rem;
    color: #475569;
    line-height: 1.65;
    margin-bottom: 20px;
    flex-grow: 1;
}

.card-footer-action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid var(--border-light);
}

.btn-card-read {
    background: none;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--royal-blue);
    font-weight: 700;
    font-size: 0.86rem;
    cursor: pointer;
    padding: 0;
    transition: gap 0.2s;
}

.btn-card-read:hover {
    color: var(--accent-cyan);
    gap: 9px;
}

.card-shares {
    font-size: 0.82rem;
    color: #EF4444;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* Search Highlights */
mark.search-highlight {
    background: #FEF08A;
    color: #854D0E;
    padding: 1px 3px;
    border-radius: 3px;
}

/* Empty State */
.no-results-box {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    background: #FFFFFF;
    border-radius: 16px;
    border: 1px dashed #CBD5E1;
}

.no-results-box i {
    font-size: 3rem;
    color: #94A3B8;
    margin-bottom: 16px;
}

.no-results-box h3 {
    font-size: 1.3rem;
    color: var(--text-heading);
    margin-bottom: 8px;
}

.no-results-box p {
    color: #64748B;
    margin-bottom: 20px;
}

/* =========================================================================
   11.5. MEDIA SHOWCASE SLIDER (CINEMATIC PTSC-STYLE TRANSITIONS)
   ========================================================================= */
.media-showcase-wrapper {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 35px rgba(10, 38, 71, 0.08);
    margin: 10px auto 36px;
    max-width: 1080px;
}

/* 1. Cinematic Media Stage */
.showcase-media-stage {
    position: relative;
    width: 100%;
    height: 520px;
    overflow: hidden;
    background: #0B192C;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.showcase-media-stage img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    object-position: center;
    transition: opacity 0.35s ease, transform 0.4s ease;
}

.showcase-media-stage:hover img {
    transform: scale(1.02);
}

.showcase-badge-pill {
    position: absolute;
    top: 18px;
    left: 18px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 700;
    background: rgba(10, 38, 71, 0.82);
    color: #FFFFFF;
    backdrop-filter: blur(8px);
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.card-badges-flex .showcase-badge-pill {
    position: static;
    top: auto;
    left: auto;
}

.showcase-badge-pill.badge-pinned {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%) !important;
    border-color: rgba(239, 68, 68, 0.4) !important;
    box-shadow: 0 4px 14px rgba(220, 38, 38, 0.4) !important;
    color: #FFFFFF !important;
}

.showcase-count-pill {
    position: absolute;
    top: 18px;
    right: 18px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 700;
    background: rgba(0, 0, 0, 0.68);
    color: #FFFFFF;
    backdrop-filter: blur(8px);
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.showcase-play-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 38, 71, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: background 0.3s ease;
}

.showcase-media-stage:hover .showcase-play-overlay {
    background: rgba(10, 38, 71, 0.2);
}

.showcase-zoom-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 38, 71, 0.22);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.showcase-media-stage:hover .showcase-zoom-overlay {
    opacity: 1;
}

.showcase-zoom-btn {
    width: 62px;
    height: 62px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    color: var(--royal-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    transform: scale(0.9);
    transition: transform 0.3s ease, background 0.2s;
}

.showcase-media-stage:hover .showcase-zoom-btn {
    transform: scale(1);
    background: #FFFFFF;
}

/* 2. Horizon Metallic / Silver Ribbon Bar */
.showcase-ribbon-bar {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 36px;
    padding: 16px 24px;
    background: radial-gradient(ellipse at 50% 50%, #FFFFFF 0%, #F1F5F9 45%, #E2E8F0 100%);
    border-top: 2px solid rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid #CBD5E1;
    box-shadow: inset 0 2px 6px rgba(255, 255, 255, 0.8), 0 4px 14px rgba(0, 0, 0, 0.04);
}

.showcase-nav-arrow {
    background: transparent;
    border: none;
    outline: none;
    cursor: pointer;
    font-size: 1.8rem;
    color: #94A3B8;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.22s ease;
}

.showcase-nav-arrow:hover {
    color: #0A4D68;
    background: rgba(255, 255, 255, 0.85);
    transform: scale(1.15);
    box-shadow: 0 4px 12px rgba(10, 77, 104, 0.15);
}

.showcase-nav-arrow:active {
    transform: scale(0.95);
}

.showcase-era-display {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 320px;
    text-align: center;
}

.showcase-era-text {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 900;
    color: #0A2647;
    letter-spacing: 1.8px;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
    transition: opacity 0.25s ease, transform 0.25s ease;
    user-select: none;
}

/* 3. Content Body */
.showcase-content-body {
    padding: 28px 44px 20px;
    text-align: center;
    background: #FFFFFF;
    min-height: 140px;
}

.photo-content-compact {
    padding: 22px 24px 26px;
    min-height: auto;
}

.photo-content-compact .showcase-slide-title {
    margin: 6px auto 6px;
    font-size: clamp(1.05rem, 1.28vw, 1.25rem);
    font-weight: 800;
    line-height: 1.35;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.showcase-count-tag {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 5px 16px;
    border-radius: 20px;
    background: rgba(10, 77, 104, 0.08);
    color: var(--royal-blue);
    font-size: 0.86rem;
    font-weight: 700;
    border: 1px solid rgba(10, 77, 104, 0.16);
    letter-spacing: 0.2px;
}

.showcase-slide {
    display: none;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.showcase-slide.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.showcase-meta-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 0.84rem;
    color: #64748B;
    margin-bottom: 10px;
}

.showcase-slide-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-heading);
    line-height: 1.4;
    margin-bottom: 12px;
    max-width: 860px;
    margin-left: auto;
    margin-right: auto;
}

.showcase-slide-desc {
    font-size: 0.98rem;
    color: #334155;
    line-height: 1.7;
    margin: 0 auto 18px;
    max-width: 860px;
}

.showcase-action-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-top: 14px;
}

/* 4. Quick Navigation Pills */
.showcase-nav-pills {
    display: flex;
    justify-content: center;
    gap: 12px;
    padding: 0 24px 28px;
    background: #FFFFFF;
    flex-wrap: wrap;
}

.showcase-pill-btn {
    padding: 8px 22px;
    border-radius: 24px;
    border: 1px solid #CBD5E1;
    background: #F8FAFC;
    color: #475569;
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
}

.showcase-pill-btn:hover {
    border-color: #0096C7;
    color: #0A4D68;
    background: #EBF4F6;
}

.showcase-pill-btn.active {
    background: linear-gradient(135deg, #0A4D68, #0077B6);
    color: #FFFFFF;
    border-color: #0A4D68;
    box-shadow: 0 4px 12px rgba(10, 77, 104, 0.25);
}

@media (max-width: 992px) {
    .media-showcase-wrapper { max-width: 100%; }
    .showcase-media-stage { height: 420px; }
    .showcase-era-text { font-size: 1.8rem; }
}

@media (max-width: 768px) {
    .showcase-media-stage { height: 300px; }
    .showcase-era-text { font-size: 1.4rem; letter-spacing: 1px; }
    .showcase-ribbon-bar { gap: 14px; padding: 12px; }
    .showcase-content-body { padding: 20px 16px 14px; }
    .showcase-slide-title { font-size: 1.15rem; }
    .showcase-slide-desc { font-size: 0.9rem; }
    .showcase-era-display { min-width: 200px; }
}

@media (max-width: 480px) {
    .showcase-media-stage { height: 220px; }
    .showcase-era-text { font-size: 1.15rem; }
    .showcase-pill-btn { font-size: 0.8rem; padding: 6px 14px; }
}

/* 12. PHOTO GALLERY MOSAIC SECTION */
.photo-gallery-section {
    background: #FFFFFF;
    border-top: 1px solid var(--border-subtle);
}

.gallery-mosaic-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 240px;
    gap: 18px;
}

.gallery-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.gallery-item.item-large {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-item.item-wide {
    grid-column: span 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 38, 71, 0.9) 0%, rgba(10, 38, 71, 0.2) 60%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    opacity: 0;
    transition: all 0.35s ease;
}

.gallery-zoom-icon {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.gallery-text {
    transform: translateY(15px);
    transition: all 0.35s ease;
}

.gallery-text h4 {
    color: #FFFFFF;
    font-size: 1.15rem;
    margin-bottom: 4px;
}

.gallery-text p {
    color: #CBD5E1;
    font-size: 0.85rem;
    margin: 0;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

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

.gallery-item:hover .gallery-zoom-icon {
    transform: translateY(0);
}

.gallery-item:hover .gallery-text {
    transform: translateY(0);
}

/* 13. IMPACT NUMBERS SECTION */
.impact-numbers-section {
    padding: 30px 0 60px;
}

.impact-stats-card {
    background: linear-gradient(135deg, #0A2647 0%, #0A4D68 100%);
    border-radius: 24px;
    padding: 50px 40px;
    color: #FFFFFF;
    box-shadow: 0 16px 40px rgba(10, 38, 71, 0.15);
}

.impact-header {
    margin-bottom: 40px;
}

.impact-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(5, 191, 219, 0.15);
    color: var(--cyan-neon);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 12px;
}

.impact-title {
    color: #FFFFFF;
    font-size: 1.75rem;
    font-weight: 800;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.impact-box {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 28px 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.impact-box:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--cyan-neon);
    transform: translateY(-4px);
}

.impact-icon {
    font-size: 1.8rem;
    color: var(--cyan-neon);
    margin-bottom: 12px;
}

.impact-num {
    font-family: var(--font-heading);
    font-size: 2.3rem;
    font-weight: 900;
    color: #FFFFFF;
    margin-bottom: 6px;
    line-height: 1;
}

.impact-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: #E2E8F0;
    margin-bottom: 4px;
}

.impact-sub {
    font-size: 0.8rem;
    color: #94A3B8;
}

/* 14. FOOTER (GLOBAL STANDARD) */
.site-footer {
    background: #0A2647;
    color: #E2E8F0;
    border-top: 4px solid var(--royal-blue);
}

.footer-top {
    padding: 60px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1.6fr 1.2fr;
    gap: 50px;
}

.footer-col-title {
    font-size: 1rem;
    font-weight: 800;
    color: #FFFFFF;
    letter-spacing: 0.8px;
    margin-bottom: 22px;
    position: relative;
    padding-bottom: 8px;
}

.footer-col-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 32px;
    height: 3px;
    background: var(--accent-cyan);
    border-radius: 2px;
}

.footer-nav-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.footer-nav li {
    margin-bottom: 10px;
}

.footer-nav a {
    color: #94A3B8;
    font-size: 0.88rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-nav a:hover {
    color: var(--cyan-neon);
    transform: translateX(3px);
}

.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.88rem;
    color: #CBD5E1;
}

.footer-mail-link {
    color: #38BDF8;
}

.footer-mail-link:hover {
    text-decoration: underline;
}

.social-pills {
    display: flex;
    align-items: center;
    gap: 10px;
}

.social-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: all 0.25s ease;
}

.social-link:hover {
    background: var(--royal-blue);
    transform: translateY(-2px);
}

.footer-bottom-bar {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0;
    font-size: 0.82rem;
    color: #94A3B8;
}

.footer-bottom-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-legals {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-legals a {
    color: #94A3B8;
}

.footer-legals a:hover {
    color: #FFFFFF;
}

body.modal-open {
    overflow: hidden !important;
    touch-action: none;
}

/* 15. ARTICLE READING MODAL */
.article-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(10, 38, 71, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s ease;
    overscroll-behavior: contain;
}

.article-modal-backdrop.open {
    opacity: 1;
    visibility: visible;
}

.article-modal-container {
    background: #FFFFFF;
    width: 100%;
    max-width: 860px;
    height: 90vh;
    max-height: 90vh;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(10, 38, 71, 0.3);
    display: flex;
    flex-direction: column;
    transform: scale(0.95);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    overscroll-behavior: contain;
}

.article-modal-backdrop.open .article-modal-container {
    transform: scale(1);
}

.modal-close-btn {
    position: absolute;
    top: 16px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.5);
    color: #FFFFFF;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.modal-close-btn:hover {
    background: rgba(0, 0, 0, 0.8);
}

.modal-content-scroll {
    flex: 1 1 auto;
    min-height: 0;
    height: 100%;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding: 0 0 36px 0;
    scrollbar-width: thin;
    scrollbar-color: var(--royal-blue) #F1F5F9;
}

.modal-content-scroll::-webkit-scrollbar {
    width: 8px;
}

.modal-content-scroll::-webkit-scrollbar-track {
    background: #F1F5F9;
    border-radius: 0 16px 16px 0;
}

.modal-content-scroll::-webkit-scrollbar-thumb {
    background: #94A3B8;
    border-radius: 8px;
}

.modal-content-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--royal-blue);
}

.modal-hero-img-wrap {
    position: relative;
    height: 340px;
}

.modal-hero-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-inner-padding {
    padding: 30px 40px 0;
}

.modal-article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.85rem;
    color: #64748B;
    margin-bottom: 14px;
}

.modal-article-title {
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--text-heading);
    line-height: 1.35;
    margin-bottom: 20px;
}

.modal-article-lead {
    font-size: 1.05rem;
    font-weight: 500;
    line-height: 1.7;
    color: #334155;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 20px;
}

.modal-body-prose {
    font-size: 0.98rem;
    line-height: 1.8;
    color: #334155;
}

.modal-body-prose p {
    margin-bottom: 16px;
}

.modal-quote-callout {
    background: #F0F9FF;
    border-left: 4px solid var(--royal-blue);
    padding: 16px 20px;
    border-radius: 4px;
    font-style: italic;
    color: #0369A1;
    margin: 24px 0;
}

.modal-share-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

/* 16. LIGHTBOX MODAL */
.gallery-lightbox-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.gallery-lightbox-backdrop.open {
    opacity: 1;
    visibility: visible;
}

.lightbox-figure {
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-figure img {
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.lightbox-caption {
    color: #E2E8F0;
    font-size: 1rem;
    margin-top: 14px;
    text-align: center;
}

.lightbox-close-btn {
    position: absolute;
    top: 24px;
    right: 28px;
    background: none;
    border: none;
    color: #FFFFFF;
    font-size: 2.5rem;
    cursor: pointer;
    line-height: 1;
}

.lightbox-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: #FFFFFF;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background 0.2s;
}

.lightbox-nav-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.lightbox-nav-btn.prev-btn {
    left: 28px;
}

.lightbox-nav-btn.next-btn {
    right: 28px;
}

/* 16.5 VIDEO PLAYER MODAL */
.video-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(5, 15, 30, 0.9);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    padding: 24px;
}

.video-modal-backdrop.open {
    opacity: 1;
    visibility: visible;
}

.video-modal-container {
    background: #0A2647;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    width: 100%;
    max-width: 920px;
    overflow: hidden;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.65);
    position: relative;
    transform: scale(0.92);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.video-modal-backdrop.open .video-modal-container {
    transform: scale(1);
}

.video-modal-close-btn {
    position: absolute;
    top: 14px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #FFFFFF;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.25s ease;
}

.video-modal-close-btn:hover {
    background: #EF4444;
    border-color: #EF4444;
    transform: rotate(90deg) scale(1.05);
}

.video-player-wrapper {
    position: relative;
    width: 100%;
    background: #000000;
    aspect-ratio: 16 / 9;
}

.video-player-wrapper video {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
}

.video-modal-info {
    padding: 22px 28px;
    background: #0A2647;
}

.video-modal-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(225, 29, 72, 0.2);
    color: #FB7185;
    border: 1px solid rgba(225, 29, 72, 0.35);
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.4px;
    margin-bottom: 8px;
}

.video-modal-title {
    color: #FFFFFF;
    font-size: 1.22rem;
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 6px 0;
}

.video-modal-desc {
    color: #94A3B8;
    font-size: 0.88rem;
    margin: 0;
}

/* 17. BACK TO TOP BUTTON */
.back-to-top-btn {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--royal-blue);
    color: #FFFFFF;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 119, 182, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    z-index: 990;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all 0.3s ease;
}

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

.back-to-top-btn:hover {
    background: var(--primary-blue);
    transform: translateY(-3px);
}

/* 18. RESPONSIVE BREAKPOINTS */
@media (max-width: 1200px) {
    .core-values-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .impact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .desktop-nav, .header-actions .btn-glow-cta {
        display: none;
    }
    .hamburger-btn {
        display: flex;
    }
    .spotlight-grid {
        grid-template-columns: 1fr;
    }
    .safety-5s-banner {
        grid-template-columns: 1fr;
        padding: 36px 24px;
    }
    .culture-feed-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .gallery-mosaic-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .footer-nav-columns {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .subpage-hero {
        min-height: 360px;
        padding: 120px 0 35px;
    }
    .subpage-title {
        font-size: 1.9rem;
    }
    .subpage-hero-motto {
        font-size: 0.85rem;
    }
    .culture-filter-inner {
        flex-direction: column;
        align-items: stretch;
    }
    .category-tab-btn {
        font-size: 0.82rem;
        padding: 8px 14px;
        gap: 6px;
    }
    .culture-filter-search {
        min-width: 100%;
        max-width: 100%;
    }
    .core-values-grid {
        grid-template-columns: 1fr;
    }
    .culture-feed-grid {
        grid-template-columns: 1fr;
    }
    .gallery-mosaic-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 200px;
    }
    .gallery-item.item-large, .gallery-item.item-wide {
        grid-column: span 1;
        grid-row: span 1;
    }
    .impact-grid {
        grid-template-columns: 1fr;
    }
    .modal-inner-padding {
        padding: 20px 20px 0;
    }
    .modal-hero-img-wrap {
        height: 220px;
    }
}


/* =========================================================================
   FOOTER VISITOR STATS & CONTACT STRIP (THỐNG KÊ TRUY CẬP & DÒNG TRỤ SỞ NGANG)
   ========================================================================= */
.footer-col.col-stats {
    justify-self: end;
    width: 100%;
    max-width: 320px;
}

.footer-visitor-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 150, 199, 0.28);
    border-radius: 12px;
    padding: 16px 20px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    gap: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.visitor-stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 8px;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: #E2E8F0;
}

.visitor-stat-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.visitor-stat-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #CBD5E1;
    font-weight: 500;
}

.visitor-stat-val {
    font-size: 1.05rem;
    font-weight: 700;
    font-family: 'Outfit', 'Montserrat', sans-serif;
    color: #FFFFFF;
    letter-spacing: 0.5px;
}

.visitor-stat-val.text-emerald {
    color: #10B981;
}

.visitor-stat-val.text-cyan {
    color: #00D2D3;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: #10B981;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 0 rgba(16, 185, 129, 0.7);
    animation: livePulse 2s infinite;
}

@keyframes livePulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

/* Dòng ngang Trụ sở & Liên hệ */
.footer-contact-strip {
    background: rgba(0, 20, 38, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 18px 0;
    margin-top: 40px;
    color: #CBD5E1;
    font-size: 0.88rem;
}

.footer-contact-flex {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 22px;
    flex-wrap: wrap;
    text-align: center;
}

.contact-strip-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.contact-strip-item strong {
    color: #FFFFFF;
}

.contact-strip-item a {
    color: inherit;
    text-decoration: none;
    transition: color 0.25s ease;
}

.contact-strip-item a:hover {
    color: var(--cyan-neon, #00D2D3);
    text-decoration: underline;
}

.contact-sep {
    color: rgba(0, 150, 199, 0.5);
    font-weight: bold;
}

@media (max-width: 992px) {
    .footer-col.col-stats {
        justify-self: start;
        max-width: 100%;
    }
    .footer-contact-flex {
        flex-direction: column;
        gap: 10px;
    }
    .contact-sep {
        display: none;
    }
}