/* ============================================================
   Lighthouse Theme — Landing Page Theme
   Version: 1.0
   Color palette: Navy + Gold accent (B2B industrial)
   Font: Barlow + Barlow Condensed (Google Fonts)
   ============================================================ */

:root {
    --navy: #0a1628;
    --navy-mid: #122040;
    --blue: #1a56a0;
    --blue-light: #2d7dd2;
    --accent: #e8a020;
    --accent-light: #f5c14e;
    --white: #ffffff;
    --off-white: #f8f7f4;
    --gray-100: #f0eff0;
    --gray-200: #e2e1e4;
    --gray-400: #9c9ba0;
    --gray-600: #5a5860;
    --gray-800: #2a282e;
    --text: #1e1c22;
    --radius: 4px;
    --radius-lg: 8px;
}

.lighthouse-theme * { margin: 0; padding: 0; box-sizing: border-box; }
.lighthouse-theme { font-family: 'Barlow', sans-serif; color: var(--text); background: var(--white); font-size: 16px; line-height: 1.6; }
/* Reset: bỏ underline cho mọi link. color: inherit CHỈ áp dụng cho <a> không class
   — tránh đè màu của button/badge .btn-outline, .contact-social-btn, .nav-cta, v.v.
   (link có class luôn tự định màu qua selector riêng) */
.lighthouse-theme a { text-decoration: none; }
.lighthouse-theme a:not([class]) { color: inherit; }
.lighthouse-theme img { max-width: 100%; display: block; }

/* TOPBAR */
.topbar {
    background: var(--navy);
    color: rgba(255,255,255,0.7);
    font-size: 12.5px;
    letter-spacing: 0.02em;
    padding: 8px 0;
}
.topbar-inner {
    max-width: 1200px; margin: 0 auto;
    padding: 0 2rem;
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 8px;
}
.topbar a { color: rgba(255,255,255,0.7); transition: color .2s; }
.topbar a:hover { color: var(--accent-light); }
.topbar-contact { display: flex; gap: 20px; align-items: center; }
.topbar-contact span { display: flex; align-items: center; gap: 6px; }
.topbar-contact svg { width: 13px; height: 13px; fill: var(--accent); flex-shrink: 0; }

/* ============================================================
   SOCIAL LINKS — partial dùng chung topbar + footer
   ============================================================ */
.social-links { display: inline-flex; align-items: center; flex-wrap: wrap; }
.social-link {
    display: inline-flex; align-items: center; justify-content: center;
    text-decoration: none;
    transition: transform .25s cubic-bezier(.2,.65,.3,1),
                background .25s, color .25s, border-color .25s, box-shadow .25s;
}
.social-link i { display: inline-block; line-height: 1; }
.social-link svg { display: block; }

/* === TOPBAR variant — nhỏ gọn, inline cùng contact info === */
.social-links--topbar { gap: 4px; margin-left: 4px; }
.social-links--topbar .social-link {
    /* Reset .topbar a { color: ... } đè màu — bump specificity */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    width: 26px; height: 26px;
    border-radius: 50%;
    background: rgba(255,255,255,.08);
    color: rgba(255,255,255,.85);
    font-size: 12px;
    line-height: 1;
}
.social-links--topbar .social-link svg { width: 14px; height: 14px; }
.social-links--topbar .social-link:hover {
    background: var(--accent);
    color: var(--navy);
    transform: translateY(-1px);
}
/* Zalo trên topbar — bg trắng để brand SVG hiển thị đúng */
.social-links--topbar .social-link--zalo,
.social-links--topbar .social-link--zalo-oa {
    background: #fff;
}
.social-links--topbar .social-link--zalo:hover,
.social-links--topbar .social-link--zalo-oa:hover {
    background: var(--accent);
}

/* === FOOTER variant — to hơn, có brand color khi hover === */
.footer-socials-block { margin-top: 18px; }
.footer-socials-label {
    font-size: 12px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.08em;
    color: rgba(255,255,255,.55);
    margin-bottom: 10px;
}
.social-links--footer { gap: 8px; }
.social-links--footer .social-link {
    /* Reset .footer-col a { display: block; margin-bottom: 9px } đè layout — bump specificity */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    width: 38px; height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,.08);
    color: rgba(255,255,255,.85);
    border: 1px solid rgba(255,255,255,.1);
    font-size: 15px;
    line-height: 1;
}
.social-links--footer .social-link svg { width: 20px; height: 20px; }
.social-links--footer .social-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 18px rgba(0,0,0,.3);
    border-color: transparent;
}

/* Brand-specific hover colors trên footer (color match identity) */
.social-links--footer .social-link--facebook:hover  { background: #1877f2; color: #fff; }
.social-links--footer .social-link--messenger:hover { background: #006aff; color: #fff; }
.social-links--footer .social-link--youtube:hover   { background: #ff0000; color: #fff; }
.social-links--footer .social-link--tiktok:hover    { background: #000; color: #fff; box-shadow: 0 0 0 1.5px #25f4ee, 0 0 0 3px #fe2c55; }
.social-links--footer .social-link--linkedin:hover  { background: #0a66c2; color: #fff; }
.social-links--footer .social-link--whatsapp:hover  { background: #25d366; color: #fff; }
/* Zalo trên footer — luôn nền trắng (brand multi-color SVG cần nền sáng) */
.social-links--footer .social-link--zalo,
.social-links--footer .social-link--zalo-oa {
    background: #fff;
    border-color: transparent;
}
.social-links--footer .social-link--zalo:hover,
.social-links--footer .social-link--zalo-oa:hover {
    background: #fff;
    box-shadow: 0 8px 18px rgba(0, 104, 255, .35);
}

/* Mobile: gọn lại social trên topbar (đỡ tràn) */
@media (max-width: 575.98px) {
    .social-links--topbar .social-link { width: 24px; height: 24px; font-size: 11px; }
    .social-links--topbar .social-link svg { width: 12px; height: 12px; }
}

/* NAV — 2 hàng: logo (nền trắng) trên, menu (nền navy) dưới */
.lighthouse-nav {
    position: sticky; top: 0; z-index: 100;
    box-shadow: 0 2px 12px rgba(10,22,40,.07);
}
.logo-bar {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
}
.menu-bar {
    background: var(--navy);
    border-bottom: 2px solid var(--accent);
}
.nav-container {
    max-width: 1200px; margin: 0 auto;
    padding: 0 2rem;
}
.logo-bar .nav-container {
    display: flex; align-items: center; justify-content: center;
    padding-top: 14px; padding-bottom: 14px;
}
.menu-bar .nav-container {
    display: flex; align-items: center; justify-content: space-between;
    gap: 16px;
    min-height: 52px;
}
.logo img { height: 56px; width: auto; object-fit: contain; }

/* Hamburger toggle — ẩn trên desktop, hiện mobile */
.nav-toggle {
    display: none;
    background: transparent; border: none; cursor: pointer;
    padding: 8px; gap: 5px;
    flex-direction: column; align-items: center; justify-content: center;
}
.nav-toggle span {
    display: block; width: 24px; height: 2.5px;
    background: var(--navy); border-radius: 2px;
    transition: transform .25s, opacity .25s;
}
.nav-toggle.is-active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.nav-links { display: flex; align-items: center; gap: 0; flex-wrap: wrap; }
.nav-links a {
    font-size: 13px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.06em;
    color: rgba(255,255,255,0.82);
    padding: 8px 14px;
    border-radius: var(--radius);
    transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.08); }
.nav-links a.active { color: var(--accent-light); }
.nav-cta {
    background: var(--accent); color: var(--navy);
    padding: 9px 20px; border-radius: var(--radius);
    font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
    transition: background .2s, transform .15s;
}
.nav-cta:hover { background: var(--accent-light); transform: translateY(-1px); }

/* HERO */
.hero {
    background: var(--navy);
    min-height: 580px;
    display: flex; align-items: center;
    position: relative; overflow: hidden;
}
.hero-bg {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 50%, #163566 100%);
}
.hero-pattern {
    position: absolute; inset: 0; opacity: 0.04;
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 40px, rgba(255,255,255,1) 40px, rgba(255,255,255,1) 41px),
        repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(255,255,255,1) 40px, rgba(255,255,255,1) 41px);
}
.hero-accent-line {
    position: absolute; left: 0; top: 0; bottom: 0; width: 5px;
    background: linear-gradient(180deg, var(--accent) 0%, var(--blue-light) 100%);
}
.hero-inner {
    max-width: 1200px; margin: 0 auto;
    padding: 80px 2rem;
    position: relative; z-index: 2;
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.hero-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(232,160,32,.15);
    border: 1px solid rgba(232,160,32,.3);
    color: var(--accent-light);
    font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
    padding: 5px 12px; border-radius: 2px;
    margin-bottom: 20px;
}
.hero-eyebrow::before { content: ''; width: 20px; height: 2px; background: var(--accent); }
.hero h1 {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: clamp(36px, 5vw, 58px);
    font-weight: 800; line-height: 1.05;
    color: var(--white);
    letter-spacing: -0.01em;
    margin-bottom: 20px;
}
.hero h1 em { color: var(--accent); font-style: normal; }
.hero-sub {
    color: rgba(255,255,255,0.65);
    font-size: 16px; line-height: 1.65;
    font-weight: 300;
    margin-bottom: 36px;
    max-width: 480px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
    background: var(--accent); color: var(--navy);
    padding: 13px 28px; border-radius: var(--radius);
    font-weight: 700; font-size: 14px; text-transform: uppercase; letter-spacing: 0.05em;
    transition: background .2s, transform .15s;
    display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); }
.btn-outline {
    border: 1.5px solid rgba(255,255,255,0.55); color: #fff;
    padding: 13px 28px; border-radius: var(--radius);
    font-weight: 600; font-size: 14px; text-transform: uppercase; letter-spacing: 0.05em;
    transition: border-color .2s, background .2s, color .2s;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.hero-stats {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
    margin-top: 40px; padding-top: 36px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-stat-num {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 36px; font-weight: 800; color: var(--accent);
    line-height: 1;
}
.hero-stat-label { font-size: 12px; color: rgba(255,255,255,0.5); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.06em; }
.hero-visual { display: flex; flex-direction: column; gap: 14px; }
.hero-bg-img { position: absolute; inset: 0; opacity: 0.12; background-position: center; background-size: cover; background-repeat: no-repeat; }

/* HERO MOSAIC */
.hero-mosaic { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 165px 165px; gap: 10px; }
.mosaic-item { border-radius: var(--radius-lg); overflow: hidden; position: relative; background: rgba(255,255,255,.06); }
.mosaic-item img { width: 100%; height: 100%; object-fit: cover; opacity: 0.85; transition: opacity .3s, transform .4s; }
.mosaic-item:hover img { opacity: 1; transform: scale(1.04); }
.mosaic-label { position: absolute; bottom: 0; left: 0; right: 0; padding: 20px 12px 10px; background: linear-gradient(transparent, rgba(10,22,40,.75)); font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: white; }
.mosaic-badge { position: absolute; top: 8px; right: 8px; background: var(--accent); color: var(--navy); font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; padding: 2px 7px; border-radius: 2px; }

/* ============================================================
   PAGINATION — dùng chung cho categories/search/tags/...
   Lighthouse override Bootstrap base với navy/gold theme
   ============================================================ */
.post-pagination {
    margin-top: 40px;
    display: flex;
    justify-content: center;
}
.post-pagination .pagination {
    margin: 0;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
}
.post-pagination .page-item {
    list-style: none;
}
.post-pagination .page-link {
    color: var(--navy);
    background: #fff;
    border: 1.5px solid var(--gray-200);
    padding: 8px 14px;
    font-weight: 600;
    font-size: 14px;
    border-radius: var(--radius) !important;
    min-width: 38px;
    text-align: center;
    transition: background .2s, border-color .2s, color .2s, transform .15s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.post-pagination .page-link:hover {
    background: rgba(232, 160, 32, .12);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-1px);
}
.post-pagination .page-link:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(232, 160, 32, .25);
}
.post-pagination .page-item.active .page-link {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--navy);
    font-weight: 700;
    cursor: default;
    transform: none;
}
.post-pagination .page-item.active .page-link:hover {
    background: var(--accent);
    transform: none;
}
.post-pagination .page-item.disabled .page-link {
    opacity: 0.4;
    background: var(--gray-100);
    color: var(--gray-600);
    cursor: not-allowed;
}
.post-pagination .page-item.disabled .page-link:hover {
    background: var(--gray-100);
    border-color: var(--gray-200);
    color: var(--gray-600);
    transform: none;
}

/* PAGE HEADER — sub-pages */
.page-header {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 50%, #163566 100%);
    color: #fff;
    padding: 50px 0 40px;
    border-bottom: 3px solid var(--accent);
    position: relative;
}
.page-header::before {
    content: '';
    position: absolute; inset: 0;
    opacity: 0.04;
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 40px, rgba(255,255,255,1) 40px, rgba(255,255,255,1) 41px),
        repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(255,255,255,1) 40px, rgba(255,255,255,1) 41px);
    pointer-events: none;
}
.page-header > .container { position: relative; z-index: 2; }
.page-breadcrumb {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 12px;
    display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
}
.page-breadcrumb a {
    color: rgba(255,255,255,0.75);
    transition: color .2s;
}
.page-breadcrumb a:hover { color: var(--accent-light); }
.page-breadcrumb .sep { color: rgba(255,255,255,0.35); }
.page-breadcrumb [aria-current="page"] { color: #fff; font-weight: 600; }
.page-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    line-height: 1.1;
    color: #fff;
    margin: 0;
}
.page-subtitle {
    margin-top: 10px;
    color: rgba(255,255,255,0.65);
    font-size: 16px; font-weight: 300;
    max-width: 700px;
}

/* SECTION WRAPPER */
.section { padding: 80px 0; }
.section-alt { background: var(--off-white); }
.section-dark { background: var(--navy); color: white; }
.lighthouse-theme .container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.section-header { margin-bottom: 50px; }
.section-header.center { text-align: center; }
.section-label {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em;
    color: var(--blue); margin-bottom: 12px;
}
.section-label::before { content: ''; width: 24px; height: 2px; background: var(--accent); }
.section-label.light { color: var(--accent); }
.section-label.light::before { background: var(--accent); }
.lighthouse-theme h2 {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: clamp(28px, 4vw, 40px); font-weight: 800;
    line-height: 1.1; letter-spacing: -0.01em;
    color: var(--navy);
}
.lighthouse-theme h2.light { color: white; }
.section-desc { margin-top: 14px; font-size: 16px; color: var(--gray-600); max-width: 560px; font-weight: 300; }
.section-desc.center { margin-left: auto; margin-right: auto; }

/* PRODUCTS */
.products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-card {
    background: var(--white);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform .25s, box-shadow .25s, border-color .25s;
}
.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 40px rgba(10,22,40,.12);
    border-color: var(--blue);
}
.product-thumb { height: 200px; overflow: hidden; position: relative; background: var(--gray-100); }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.product-card:hover .product-thumb img { transform: scale(1.06); }
.product-badge {
    position: absolute; top: 12px; left: 12px; z-index: 2;
    background: var(--accent); color: var(--navy);
    font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
    padding: 3px 8px; border-radius: 2px;
}
.product-body { padding: 20px; }
.product-name {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
    color: var(--navy);
    margin: 0 0 8px;
    line-height: 1.25;
}
.product-desc { font-size: 13.5px; color: var(--gray-600); line-height: 1.55; }
.product-footer {
    padding: 14px 20px;
    border-top: 1px solid var(--gray-200);
    display: flex; justify-content: space-between; align-items: center;
}
.product-link {
    font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--blue); display: flex; align-items: center; gap: 5px;
}
.product-link svg { width: 14px; height: 14px; fill: currentColor; transition: transform .2s; }
.product-card:hover .product-link svg { transform: translateX(3px); }

/* Card có link — toàn bộ card click được (anchor wrapper) */
.product-card-link {
    display: flex; flex-direction: column;
    height: 100%;
    color: inherit;
}
.product-card-linked { cursor: pointer; }
.product-card-linked:hover .product-name { color: var(--blue); }
.product-card-linked .product-link { color: var(--blue); }

/* FEATURES */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.feature-item { display: flex; gap: 18px; }
.feature-icon {
    width: 52px; height: 52px; flex-shrink: 0;
    background: rgba(26,86,160,.08);
    border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: center;
    border: 1.5px solid rgba(26,86,160,.15);
}
.feature-icon svg { width: 24px; height: 24px; fill: var(--blue); }
.feature-title { font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.feature-text { font-size: 14px; color: var(--gray-600); line-height: 1.55; }

/* STATS BAND */
.stats-band { background: var(--blue); padding: 48px 0; }
.stats-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.stat-item {
    text-align: center; padding: 0 20px;
    border-right: 1px solid rgba(255,255,255,0.15);
}
.stat-item:last-child { border-right: none; }
.stat-num {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 52px; font-weight: 800; color: white; line-height: 1;
}
.stat-num span { color: var(--accent-light); }
.stat-label { font-size: 13px; color: rgba(255,255,255,0.65); margin-top: 6px; text-transform: uppercase; letter-spacing: 0.08em; }

/* PRODUCT CATALOG */
.catalog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.catalog-card {
    background: var(--white);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex; flex-direction: column;
    transition: transform .2s, box-shadow .2s;
}
.catalog-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(10,22,40,.1); }

/* Catalog card có link — toàn card click được */
.catalog-card-link {
    display: flex; flex-direction: column;
    height: 100%;
    color: inherit;
}
.catalog-card-linked { cursor: pointer; }
.catalog-card-linked:hover { border-color: var(--blue); }
.catalog-img { height: 210px; overflow: hidden; position: relative; background: var(--gray-100); }
.catalog-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.catalog-card:hover .catalog-img img { transform: scale(1.05); }
.catalog-img-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 32px 16px 14px; background: linear-gradient(transparent, rgba(10,22,40,.65)); }
.catalog-img-label { font-family: 'Barlow Condensed', sans-serif; font-size: 20px; font-weight: 700; color: white; text-transform: uppercase; letter-spacing: 0.05em; margin: 0; line-height: 1.2; }
.catalog-body { padding: 18px; flex: 1; }
.catalog-text { font-size: 13.5px; color: var(--gray-600); line-height: 1.55; }
.catalog-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.tag {
    font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em;
    padding: 3px 9px; border-radius: 2px;
    background: rgba(26,86,160,.08); color: var(--blue);
    border: 1px solid rgba(26,86,160,.15);
}

/* ABOUT SECTION */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-visual { position: relative; }
.about-main-img { border-radius: var(--radius-lg); overflow: hidden; height: 420px; }
.about-main-img img { width: 100%; height: 100%; object-fit: cover; }
.about-badge {
    position: absolute; bottom: -20px; right: -20px;
    background: var(--accent);
    width: 120px; height: 120px; border-radius: 50%;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    text-align: center;
    box-shadow: 0 8px 24px rgba(232,160,32,.35);
}
.about-badge-num { font-family: 'Barlow Condensed', sans-serif; font-size: 32px; font-weight: 800; color: var(--navy); line-height: 1; }
.about-badge-text { font-size: 10px; font-weight: 700; color: var(--navy); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 3px; line-height: 1.3; }
.about-list { margin-top: 28px; display: flex; flex-direction: column; gap: 14px; }
.about-list-item {
    display: flex; gap: 14px; align-items: flex-start;
    padding: 14px 16px;
    background: var(--gray-100);
    border-radius: var(--radius);
    border-left: 3px solid var(--blue);
}
.about-list-item svg { width: 18px; height: 18px; fill: var(--blue); flex-shrink: 0; margin-top: 2px; }
.about-list-text { font-size: 14px; color: var(--gray-600); line-height: 1.55; }
.about-list-text strong { color: var(--navy); display: block; font-size: 14px; margin-bottom: 2px; }

/* ============================================================
   BROCHURE DOWNLOAD — CTA card sau about-list
   ============================================================ */
.brochure-download {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 24px;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--navy) 0%, #163566 100%);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(232, 160, 32, .3);
    text-decoration: none;
    color: #fff;
    transition: transform .25s cubic-bezier(.2,.65,.3,1),
                box-shadow .25s,
                border-color .25s;
    position: relative;
    overflow: hidden;
}
.brochure-download::before {
    /* Gold accent bar bên trái — gợi đến tài liệu/folder */
    content: '';
    position: absolute;
    top: 0; left: 0; bottom: 0;
    width: 4px;
    background: var(--accent);
    transition: width .25s;
}
.brochure-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(10, 22, 40, .25);
    border-color: var(--accent);
    color: #fff;
}
.brochure-download:hover::before { width: 6px; }

.brochure-download-icon {
    flex-shrink: 0;
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--accent);
    display: inline-flex; align-items: center; justify-content: center;
    transition: transform .25s, background .25s;
}
.brochure-download:hover .brochure-download-icon {
    transform: scale(1.08) translateY(2px);
}
.brochure-download-icon svg { width: 22px; height: 22px; fill: var(--navy); }

.brochure-download-body {
    flex: 1;
    display: flex; flex-direction: column;
    gap: 2px;
    min-width: 0;
}
.brochure-download-label {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 18px; font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1.2;
}
.brochure-download-meta {
    font-size: 12px;
    color: rgba(255, 255, 255, .7);
    letter-spacing: 0.02em;
}

.brochure-download-arrow {
    flex-shrink: 0;
    width: 28px; height: 28px;
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--accent);
    transition: transform .25s cubic-bezier(.2,.65,.3,1);
}
.brochure-download-arrow svg { width: 18px; height: 18px; fill: currentColor; }
.brochure-download:hover .brochure-download-arrow {
    transform: translateX(4px);
}

@media (max-width: 575.98px) {
    .brochure-download { gap: 12px; padding: 14px 16px; }
    .brochure-download-icon { width: 38px; height: 38px; }
    .brochure-download-icon svg { width: 18px; height: 18px; }
    .brochure-download-label { font-size: 15px; }
    .brochure-download-meta { font-size: 11px; }
}

/* Topbar brochure link — text-style, kèm icon nhỏ */
.topbar-brochure {
    display: inline-flex !important;
    align-items: center;
    gap: 5px;
    color: var(--accent-light) !important;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 3px;
    border: 1px solid rgba(232, 160, 32, .35);
    transition: background .2s, border-color .2s, color .2s;
}
.topbar-brochure:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--navy) !important;
}
.topbar-brochure svg {
    width: 12px; height: 12px;
    fill: currentColor;
    flex-shrink: 0;
}

@media (max-width: 575.98px) {
    .topbar-brochure { font-size: 11px; padding: 2px 6px; }
}

/* GALLERY STRIP */
.gallery-strip { display: grid; grid-template-columns: repeat(5,1fr); gap: 8px; margin-top: 60px; }
.gallery-item { height: 140px; border-radius: var(--radius); overflow: hidden; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; filter: brightness(.88); }
.gallery-item:hover img { transform: scale(1.08); filter: brightness(1); }

/* CTA BAND */
.cta-band { background: linear-gradient(135deg, var(--navy) 0%, #163566 100%); padding: 70px 0; }
.cta-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.cta-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: clamp(28px, 4vw, 42px); font-weight: 800;
    color: white; line-height: 1.1; margin-bottom: 14px;
}
.cta-title em { color: var(--accent); font-style: normal; }
.cta-text { color: rgba(255,255,255,.6); font-size: 15px; line-height: 1.6; }
.cta-cards { display: flex; flex-direction: column; gap: 14px; }
.cta-card {
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    display: flex; gap: 16px; align-items: center;
    transition: background .2s;
}
.cta-card:hover { background: rgba(255,255,255,.11); }
.cta-card-icon {
    width: 44px; height: 44px; flex-shrink: 0;
    background: rgba(232,160,32,.2); border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
}
.cta-card-icon svg { width: 22px; height: 22px; fill: var(--accent); }
.cta-card-label { font-size: 11px; color: rgba(255,255,255,.45); text-transform: uppercase; letter-spacing: 0.08em; }
.cta-card-value { font-size: 16px; font-weight: 700; color: white; margin-top: 2px; }

/* ============================================================
   FOOTER — 4-col grid: Brand (wide) | Nav 1 | Nav 2 | Liên hệ + Map (wide)
   ============================================================ */
.lighthouse-footer {
    background: var(--gray-800);
    color: rgba(255,255,255,.6);
    padding: 56px 0 24px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.6fr;
    gap: 40px;
    margin-bottom: 32px;
    align-items: start;
}

/* Brand col */
.footer-brand img {
    height: 56px; width: auto; object-fit: contain;
    margin-bottom: 12px;
    background: #fff; padding: 8px 14px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
    display: block;
}
.footer-brand > span {
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,.4);
    display: block;
    margin-bottom: 12px;
}
.footer-brand p {
    margin: 0 0 16px;
    font-size: 13px;
    line-height: 1.65;
    color: rgba(255,255,255,.55);
}

/* Certs row — inline tightly */
.footer-certs { display: flex; gap: 8px; flex-wrap: wrap; }
.footer-cert {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(255,255,255,.06);
    padding: 5px 11px; border-radius: 3px;
    font-size: 10.5px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.06em;
    color: rgba(255,255,255,.5);
}
.footer-cert svg { width: 13px; height: 13px; fill: var(--accent); flex-shrink: 0; }

/* Nav col title — consistent across all cols */
.footer-col-title {
    font-size: 12px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--accent);
    margin: 0 0 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(232, 160, 32, .18);
}

/* Nav list — semantic <ul>, không dấu chấm */
.footer-nav {
    list-style: none; padding: 0; margin: 0;
    display: flex; flex-direction: column; gap: 7px;
}
.footer-nav a {
    font-size: 13px;
    color: rgba(255,255,255,.6);
    transition: color .2s, padding-left .2s;
    display: inline-block;
}
.footer-nav a:hover {
    color: #fff;
    padding-left: 4px;
}

/* Contact col */
.footer-contact-col { min-width: 0; }
.footer-contact-list {
    list-style: none; padding: 0; margin: 0 0 16px;
    display: flex; flex-direction: column; gap: 10px;
}
.footer-contact-list li {
    display: flex; align-items: flex-start;
    gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,.65);
    line-height: 1.5;
}
.footer-contact-list svg {
    width: 14px; height: 14px;
    fill: var(--accent);
    flex-shrink: 0;
    margin-top: 3px;
}
.footer-contact-list a {
    color: rgba(255,255,255,.65);
    transition: color .2s;
}
.footer-contact-list a:hover { color: #fff; }
.footer-address-item { color: rgba(255,255,255,.55); }

/* Google Maps embed */
.footer-map {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.08);
    background: var(--gray-100);
    margin-bottom: 18px;
    position: relative;
}
.footer-map iframe {
    width: 100%;
    height: 180px;
    border: 0;
    display: block;
    filter: grayscale(20%) brightness(.95);
    transition: filter .35s;
}
.footer-map:hover iframe {
    filter: grayscale(0%) brightness(1);
}
.footer-map-link {
    display: flex; align-items: center; justify-content: center;
    gap: 5px;
    padding: 8px 12px;
    background: rgba(232, 160, 32, .08);
    color: var(--accent-light);
    font-size: 11.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    transition: background .2s, color .2s;
}
.footer-map-link:hover {
    background: var(--accent);
    color: var(--navy);
}
.footer-map-link svg {
    width: 12px; height: 12px;
    fill: currentColor;
}

/* Divider + bottom bar */
.footer-divider {
    border: none;
    border-top: 1px solid rgba(255,255,255,.08);
    margin: 0 0 20px;
}
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 10px;
    font-size: 12.5px;
    color: rgba(255,255,255,.4);
}

/* ============================================================
   PARTNERS — logo grid với grayscale → colorize hover (pattern B2B)
   ============================================================ */
.partners-section {
    background: var(--gray-100);
    border-top: 1px solid rgba(10, 22, 40, .06);
    border-bottom: 1px solid rgba(10, 22, 40, .06);
}

.partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-top: 36px;
}

.partner-item {
    position: relative;
    /* 6 cols layout — trừ 5 gaps để vừa 6 items 1 hàng. Khi ít hơn 6, tự căn giữa nhờ flex justify-content. */
    flex: 0 0 calc((100% - 16px * 5) / 6);
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px 20px;
    background: #fff;
    border: 1px solid rgba(10, 22, 40, .08);
    border-radius: var(--radius);
    box-shadow: 0 1px 3px rgba(10, 22, 40, .04);
    transition: transform .3s cubic-bezier(.2,.65,.3,1),
                box-shadow .3s,
                border-color .3s;
    color: inherit;
    text-decoration: none;
}

.partner-item img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    /* Grayscale + low opacity → mood B2B chuyên nghiệp đồng đều */
    filter: grayscale(100%) brightness(.9);
    opacity: .65;
    transition: filter .35s ease, opacity .35s ease, transform .35s ease;
}

/* Linked items — cursor + stronger hover */
.partner-item-linked { cursor: pointer; }
.partner-item-linked:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
}

/* HOVER — colorize logo, lift card, viền vàng */
.partner-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(10, 22, 40, .12);
    border-color: var(--accent);
}
.partner-item:hover img {
    filter: grayscale(0%) brightness(1);
    opacity: 1;
    transform: scale(1.04);
}

/* Placeholder — chưa upload logo: hiển thị icon + tên đối tác */
.partner-item-placeholder {
    flex-direction: column;
    gap: 8px;
    padding: 14px 12px;
    background: linear-gradient(180deg, #fff 0%, #fafbfc 100%);
}
.partner-placeholder-icon {
    width: 32px; height: 32px;
    fill: var(--gray-400);
    opacity: .55;
    transition: fill .35s ease, opacity .35s ease, transform .35s ease;
    flex-shrink: 0;
}
.partner-placeholder-name {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 13px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.03em;
    color: var(--gray-600);
    text-align: center;
    line-height: 1.25;
    transition: color .35s ease;
    /* Clamp 2 dòng để name dài không phá layout */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.partner-item-placeholder:hover .partner-placeholder-icon {
    fill: var(--accent);
    opacity: 1;
    transform: scale(1.08);
}
.partner-item-placeholder:hover .partner-placeholder-name {
    color: var(--navy);
}

/* Subtle gold corner accent for linked items */
.partner-item-linked::after {
    content: '';
    position: absolute;
    top: 8px; right: 8px;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0;
    transition: opacity .3s, transform .3s;
}
.partner-item-linked:hover::after {
    opacity: 1;
    transform: scale(1.4);
}

/* Responsive — giảm số cột theo viewport (item flex-basis tự center) */
@media (max-width: 1199.98px) {
    .partner-item { flex-basis: calc((100% - 16px * 4) / 5); }
}
@media (max-width: 991.98px) {
    .partners-grid { gap: 14px; }
    .partner-item { flex-basis: calc((100% - 14px * 3) / 4); }
}
@media (max-width: 575.98px) {
    .partners-grid { gap: 10px; }
    .partner-item { flex-basis: calc((100% - 10px * 2) / 3); padding: 14px 16px; }
}
@media (max-width: 380px) {
    .partner-item { flex-basis: calc((100% - 10px) / 2); }
}

/* ============================================================
   PRODUCT GALLERY — showcase grid trên footer với hover effects
   ============================================================ */
.product-gallery-section {
    background: linear-gradient(180deg, var(--gray-100) 0%, #fff 100%);
    padding-bottom: 80px;
}
.pg-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 14px;
    margin-top: 36px;
}
.pg-item {
    position: relative;
    display: block;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--gray-100);
    border: 1px solid rgba(10, 22, 40, .06);
    box-shadow: 0 2px 8px rgba(10, 22, 40, .04);
    transition: transform .35s cubic-bezier(.2,.65,.3,1),
                box-shadow .35s,
                border-color .35s;
    color: inherit;
    text-decoration: none;
}
.pg-item img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .6s cubic-bezier(.2,.65,.3,1),
                filter .35s;
}

/* Overlay — slide-up gradient + label + arrow */
.pg-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 8px;
    padding: 14px;
    background: linear-gradient(180deg,
        rgba(10, 22, 40, 0) 40%,
        rgba(10, 22, 40, .55) 75%,
        rgba(10, 22, 40, .88) 100%);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity .35s, transform .35s cubic-bezier(.2,.65,.3,1);
    pointer-events: none;
}
.pg-label {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 13.5px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.04em;
    color: #fff;
    line-height: 1.25;
    flex: 1;
    text-shadow: 0 1px 3px rgba(0,0,0,.4);
}
.pg-arrow {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--accent);
    display: inline-flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    transform: translateX(-6px);
    opacity: 0;
    transition: transform .35s cubic-bezier(.2,.65,.3,1), opacity .35s;
}
.pg-arrow svg { width: 14px; height: 14px; fill: var(--navy); }

/* Shine sweep — diagonal light strip on hover (linked items only) */
.pg-item-linked::before {
    content: '';
    position: absolute;
    top: 0; left: -75%;
    width: 50%; height: 100%;
    background: linear-gradient(120deg,
        rgba(255,255,255,0) 0%,
        rgba(255,255,255,.35) 50%,
        rgba(255,255,255,0) 100%);
    transform: skewX(-20deg);
    z-index: 2;
    pointer-events: none;
    transition: left .7s cubic-bezier(.4,.0,.2,1);
}

/* HOVER STATES */
.pg-item:hover img { transform: scale(1.1); }
.pg-item:hover .pg-overlay { opacity: 1; transform: translateY(0); }

/* Linked items — stronger feedback */
.pg-item-linked { cursor: pointer; }
.pg-item-linked:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(10, 22, 40, .18);
    border-color: var(--accent);
}
.pg-item-linked:hover::before { left: 125%; }
.pg-item-linked:hover .pg-arrow { transform: translateX(0); opacity: 1; }
.pg-item-linked:hover img { filter: brightness(1.05) saturate(1.1); }

/* Subtle continuous "breathing" cho linked items để gợi ý click */
.pg-item-linked .pg-overlay { background: linear-gradient(180deg,
        rgba(10, 22, 40, 0) 55%,
        rgba(10, 22, 40, .45) 85%,
        rgba(10, 22, 40, .80) 100%); }

/* Focus state — accessibility cho keyboard nav */
.pg-item-linked:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
}

/* Responsive */
@media (max-width: 1199.98px) {
    .pg-grid { grid-template-columns: repeat(4, 1fr); gap: 12px; }
}
@media (max-width: 767.98px) {
    .pg-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
    .pg-label { font-size: 12px; }
    .product-gallery-section { padding-bottom: 60px; }
}
@media (max-width: 480px) {
    .pg-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
}

/* ============================================================
   SCROLL ANIMATIONS — vanilla IntersectionObserver
   ============================================================ */
[data-anim] {
    opacity: 0;
    transition: opacity .65s cubic-bezier(.2,.65,.3,1),
                transform .65s cubic-bezier(.2,.65,.3,1);
    will-change: opacity, transform;
}
[data-anim="fade-up"]    { transform: translateY(24px); }
[data-anim="fade-down"]  { transform: translateY(-24px); }
[data-anim="fade-left"]  { transform: translateX(28px); }
[data-anim="fade-right"] { transform: translateX(-28px); }
[data-anim="zoom-in"]    { transform: scale(.94); }
[data-anim].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    [data-anim] {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

/* ============================================================
   RESPONSIVE — breakpoints 1199 / 991 / 767 / 575
   ============================================================ */
@media (max-width: 1199.98px) {
    .hero-inner { gap: 40px; padding: 60px 2rem; }
    .hero-mosaic { grid-template-rows: 145px 145px; }
}

@media (max-width: 991.98px) {
    .topbar-inner { padding: 0 1.5rem; }
    .topbar-contact { gap: 14px; }

    .logo-bar .nav-container { justify-content: space-between; gap: 12px; }
    .logo { flex: 1 1 auto; min-width: 0; }
    .logo img { height: 60px; max-width: 100%; }
    .nav-toggle { display: flex; flex-shrink: 0; }

    .menu-bar { display: none; }
    .menu-bar.is-open { display: block; }
    .menu-bar.is-open .nav-container {
        flex-direction: column; align-items: stretch;
        padding: 14px 1.5rem; gap: 6px;
        min-height: auto;
    }
    .menu-bar .nav-links { flex-direction: column; align-items: stretch; gap: 2px; }
    .menu-bar .nav-links a { padding: 12px 14px; }
    .menu-bar .nav-cta { text-align: center; margin-top: 6px; }

    .hero { min-height: auto; }
    .hero-inner { grid-template-columns: 1fr; gap: 50px; padding: 60px 1.5rem; }
    .hero-visual { max-width: 560px; margin: 0 auto; width: 100%; }
    .hero-mosaic { grid-template-rows: 180px 180px; }

    .section { padding: 60px 0; }
    .lighthouse-theme .container { padding: 0 1.5rem; }
    .section-header { margin-bottom: 36px; }

    .products-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
    .stats-inner { grid-template-columns: repeat(2, 1fr); }
    .stats-inner .stat-item:nth-child(2) { border-right: none; }
    .catalog-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }

    .about-grid { grid-template-columns: 1fr; gap: 50px; }
    .about-visual { max-width: 560px; margin: 0 auto; }
    .about-main-img { height: 360px; }

    .gallery-strip { grid-template-columns: repeat(3, 1fr); }
    .gallery-item { height: 130px; }

    .cta-inner { grid-template-columns: 1fr; gap: 36px; }
    /* Tablet: 2x2 grid — Brand+Nav1 trên, Nav2+Contact dưới */
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px 32px; }
    .footer-map iframe { height: 220px; }
}

@media (max-width: 767.98px) {
    .lighthouse-theme { font-size: 15px; }

    .topbar { font-size: 12px; padding: 6px 0; }
    .topbar-inner { padding: 0 1rem; gap: 4px; flex-direction: column; align-items: flex-start; }
    .topbar-contact { gap: 10px 12px; flex-wrap: wrap; width: 100%; }
    /* Ẩn địa chỉ trên mobile (đã có ở footer + /lien-he) — đỡ phải wrap nhiều dòng */
    .topbar-address { display: none; }
    /* Social icons đẩy về cuối hàng để cân với phone bên trái */
    .topbar-contact .social-links--topbar { margin-left: auto; }

    .nav-container { padding: 0 1rem; }
    .logo-bar .nav-container { padding-top: 12px; padding-bottom: 12px; gap: 10px; }
    .logo img { height: 54px; }
    .menu-bar.is-open .nav-container { padding: 12px 1rem; }

    .hero-inner { padding: 40px 1rem; gap: 36px; }
    .hero h1 { font-size: clamp(30px, 7vw, 40px); margin-bottom: 16px; }
    .hero-sub { font-size: 14.5px; margin-bottom: 28px; }
    .hero-eyebrow { font-size: 10.5px; padding: 4px 10px; }
    .hero-actions { flex-direction: column; align-items: stretch; gap: 10px; }
    .btn-primary, .btn-outline { justify-content: center; width: 100%; padding: 12px 20px; }
    .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 32px; padding-top: 28px; }
    .hero-stat-num { font-size: 22px; }
    .hero-stat-label { font-size: 10.5px; }
    .hero-mosaic { grid-template-rows: 130px 130px; gap: 8px; }

    .section { padding: 48px 0; }
    .lighthouse-theme .container { padding: 0 1rem; }
    .section-header { margin-bottom: 28px; }
    .section-desc { font-size: 14.5px; }

    .products-grid { grid-template-columns: 1fr; gap: 18px; }
    .features-grid { grid-template-columns: 1fr; gap: 24px; }
    .feature-item { gap: 14px; }
    .catalog-grid { grid-template-columns: 1fr; gap: 18px; }
    .catalog-img { height: 200px; }

    .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 24px 12px; padding: 32px 0; }
    .stats-inner .stat-item { border-right: none; }
    .stat-num { font-size: 32px; }

    .about-grid { gap: 40px; }
    .about-main-img { height: 280px; }
    .about-badge { width: 96px; height: 96px; bottom: -14px; right: -14px; }
    .about-badge-num { font-size: 26px; }

    .gallery-strip { grid-template-columns: repeat(2, 1fr); margin-top: 40px; }
    .gallery-item { height: 120px; }

    .cta-band { padding: 50px 0; }
    .cta-inner { gap: 28px; }
    .cta-cards { gap: 10px; }
    .cta-card { padding: 14px 16px; }

    /* Mobile: stack 1 col, map cao hơn cho dễ tương tác */
    .footer-grid { grid-template-columns: 1fr; gap: 28px; margin-bottom: 28px; }
    .footer-map iframe { height: 240px; }
    .footer-bottom { flex-direction: column; text-align: center; gap: 10px; }
}

@media (max-width: 575.98px) {
    .hero-mosaic { grid-template-columns: 1fr; grid-template-rows: repeat(4, 140px); }
    .hero-stats { grid-template-columns: 1fr; gap: 8px; }
    .gallery-strip { grid-template-columns: 1fr 1fr; }
    .gallery-item { height: 110px; }
}
/* ============================================================
   Floating Contact Widget
   Position: fixed, bottom-right
   Stack: Hotline (top, primary CTA) → Zalo → Messenger → Facebook
   ============================================================ */
.floating-contact {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 14px;
    pointer-events: none; /* Container không bắt click, chỉ button bắt */
}

.floating-contact .fc-btn {
    pointer-events: auto;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    color: #fff;
    text-decoration: none;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
    cursor: pointer;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    visibility: visible;
}

.floating-contact .fc-btn:hover,
.floating-contact .fc-btn:focus-visible {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.25);
    outline: none;
}

.floating-contact .fc-btn:active {
    transform: translateY(0) scale(0.98);
}

.floating-contact .fc-btn__icon {
    position: relative;
    z-index: 2;
    font-size: 22px;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.floating-contact .fc-btn__icon img,
.floating-contact .fc-btn__icon svg {
    width: 26px;
    height: 26px;
    display: block;
}

/* ============================================================
   Tooltip label (hover/focus reveal)
   ============================================================ */
.floating-contact .fc-btn__label {
    position: absolute;
    right: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%) translateX(8px);
    background: rgba(33, 37, 41, 0.92);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.floating-contact .fc-btn__label::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-left-color: rgba(33, 37, 41, 0.92);
}

.floating-contact .fc-btn:hover .fc-btn__label,
.floating-contact .fc-btn:focus-visible .fc-btn__label {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

/* ============================================================
   HOTLINE — red, with pulse ring animation
   ============================================================ */
.floating-contact .fc-btn--hotline {
    background: linear-gradient(135deg, #ff3b30 0%, #d70015 100%);
}

.floating-contact .fc-btn--hotline .fc-btn__pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: rgba(255, 59, 48, 0.55);
    z-index: 1;
    animation: fcPulse 1.6s ease-out infinite;
}

.floating-contact .fc-btn--hotline .fc-btn__pulse:nth-child(2) {
    animation-delay: 0.4s;
}

.floating-contact .fc-btn--hotline .fc-btn__pulse:nth-child(3) {
    animation-delay: 0.8s;
}

/* Icon ringing shake — chỉ trên hotline */
.floating-contact .fc-btn--hotline .fc-btn__icon {
    animation: fcRing 1.6s ease-in-out infinite;
    transform-origin: 50% 4px;
}

@keyframes fcPulse {
    0% {
        transform: scale(1);
        opacity: 0.7;
    }
    100% {
        transform: scale(2.2);
        opacity: 0;
    }
}

@keyframes fcRing {
    0%, 50%, 100% { transform: rotate(0); }
    10%, 30% { transform: rotate(-15deg); }
    20%, 40% { transform: rotate(15deg); }
}

/* ============================================================
   ZALO — nền trắng để hiển thị brand SVG đa màu (blue + light)
   ============================================================ */
.floating-contact .fc-btn--zalo {
    background: #fff;
    box-shadow: 0 6px 18px rgba(0, 104, 255, 0.25);
}
.floating-contact .fc-btn--zalo:hover {
    background: #f5faff;
    box-shadow: 0 10px 24px rgba(0, 104, 255, 0.35);
}
/* SVG fill gần hết circle để không bị teo nhỏ */
.floating-contact .fc-btn--zalo .fc-btn__icon {
    width: 100%; height: 100%;
}
.floating-contact .fc-btn--zalo .fc-btn__icon svg {
    width: 44px; height: 44px;
}

/* ============================================================
   MESSENGER — Facebook gradient blue → purple → pink
   ============================================================ */
.floating-contact .fc-btn--messenger {
    background: linear-gradient(135deg, #00b2ff 0%, #006aff 50%, #ff006a 100%);
}

/* ============================================================
   FACEBOOK — classic blue
   ============================================================ */
.floating-contact .fc-btn--facebook {
    background: #1877f2;
}

/* ============================================================
   WHATSAPP — green (nếu bật trong settings)
   ============================================================ */
.floating-contact .fc-btn--whatsapp {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
}

/* ============================================================
   Tablet — kích thước trung bình
   ============================================================ */
@media (max-width: 767.98px) {
    .floating-contact {
        right: 10px;
        bottom: 10px;
        gap: 8px;
    }

    .floating-contact .fc-btn {
        width: 42px;
        height: 42px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.16);
    }

    .floating-contact .fc-btn__icon {
        font-size: 16px;
    }

    .floating-contact .fc-btn__icon img,
    .floating-contact .fc-btn__icon svg {
        width: 18px;
        height: 18px;
    }

    /* Zalo SVG override cho mobile — vẫn lớn tương đối với button 42px */
    .floating-contact .fc-btn--zalo .fc-btn__icon svg {
        width: 34px;
        height: 34px;
    }

    /* Tooltip ẩn trên mobile — đỡ rối + đỡ tràn viewport */
    .floating-contact .fc-btn__label {
        display: none;
    }

    /* Pulse animation gọn hơn — tránh phình quá lớn so với button nhỏ */
    .floating-contact .fc-btn--hotline .fc-btn__pulse {
        animation-duration: 1.4s;
    }
}

/* ============================================================
   Small mobile (<360px) — giảm tiếp cho màn hình nhỏ
   ============================================================ */
@media (max-width: 359.98px) {
    .floating-contact {
        right: 8px;
        bottom: 8px;
        gap: 7px;
    }

    .floating-contact .fc-btn {
        width: 38px;
        height: 38px;
    }

    .floating-contact .fc-btn__icon {
        font-size: 14px;
    }

    .floating-contact .fc-btn__icon img,
    .floating-contact .fc-btn__icon svg {
        width: 16px;
        height: 16px;
    }

    /* Zalo SVG override cho mobile small — fill button 38px */
    .floating-contact .fc-btn--zalo .fc-btn__icon svg {
        width: 30px;
        height: 30px;
    }
}

/* ============================================================
   Mobile pulse animation — phạm vi expand nhỏ hơn cho proportional
   ============================================================ */
@media (max-width: 767.98px) {
    @keyframes fcPulse {
        0% {
            transform: scale(1);
            opacity: 0.65;
        }
        100% {
            transform: scale(1.8);
            opacity: 0;
        }
    }
}

/* ============================================================
   Reduced motion — tắt animation
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    .floating-contact .fc-btn__pulse,
    .floating-contact .fc-btn--hotline .fc-btn__icon {
        animation: none !important;
    }
    .floating-contact .fc-btn--hotline .fc-btn__pulse {
        display: none;
    }
}

/* ============================================================
   Print — ẩn widget khi in
   ============================================================ */
@media print {
    .floating-contact {
        display: none !important;
    }
}