/*
 * CSS nền tảng của website: bố cục, thành phần trang chủ và các quy tắc responsive.
 * Thứ tự nạp được khai báo trong public/includes/styles.php; giữ thứ tự selector để tránh đổi giao diện.
 */
/* =========================================================
   1. BIẾN MÀU VÀ THIẾT LẬP CHUNG
========================================================= */

:root {
    --primary: #0f3d68;
    --primary-dark: #082f52;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --background: #f5f7fa;
    --surface: #ffffff;
    --text: #172033;
    --muted: #64748b;
    --line: #e2e8f0;
    --shadow: 0 6px 18px rgba(15, 35, 60, 0.1);
    --radius: 14px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--background);
    color: var(--text);
    font-family: "Be Vietnam Pro", Arial, sans-serif;
    font-size: 15px;
    font-weight: 400;
    line-height: 1.65;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

.container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.section {
    padding: 76px 0;
}

.section h2 {
    margin-bottom: 16px;
    color: var(--primary);
    font-size: 27px;
    font-weight: 800;
    text-align: center;
    text-transform: uppercase;
}

.section-intro,
.about-intro {
    max-width: 820px;
    margin: 0 auto 38px;
    color: #475569;
    font-size: 16px;
    text-align: center;
}

.empty-state {
    grid-column: 1 / -1;
    padding: 30px;
    border: 1px dashed #cbd5e1;
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--muted);
    text-align: center;
}

/* =========================================================
   2. HEADER VÀ MENU
========================================================= */

/* =========================================================
   3. HERO
========================================================= */

.hero {
    position: relative;
    overflow: hidden;
    min-height: 540px;
    background: linear-gradient(135deg, #0a355b, #155a97);
    color: #ffffff;
    text-align: center;
}

.hero-slides,
.hero-slide {
    min-height: 540px;
}

.hero-slide {
    display: none;
    align-items: center;
    background-position: center;
    background-size: cover;
    animation: heroFade 0.55s ease;
}

.hero-slide.active {
    display: flex;
}

.hero-dots {
    position: absolute;
    bottom: 24px;
    left: 50%;
    display: flex;
    gap: 9px;
    transform: translateX(-50%);
}

.hero-dot {
    width: 10px;
    height: 10px;
    padding: 0;
    border: 1px solid #ffffff;
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
}

.hero-dot.active {
    background: #ffffff;
}

@keyframes heroFade {
    from { opacity: 0.35; }
    to { opacity: 1; }
}

.hero-content {
    padding: 65px 20px;
}

.hero-label {
    color: #93c5fd;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
}

.hero h1 {
    margin: 12px 0;
    color: #ffffff;
    font-size: clamp(42px, 6vw, 70px);
    font-weight: 800;
    letter-spacing: 1px;
    line-height: 1.1;
}

.hero-slogan {
    margin: 0 auto 30px;
    color: #e0f2fe;
    font-size: 18px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border: 1px solid #dbe3ee;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.btn-primary {
    background: var(--accent);
    color: #ffffff;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-outline {
    border-color: rgba(255, 255, 255, 0.8);
    color: #ffffff;
}

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

/* =========================================================
   4. DANH MỤC VÀ CARD DÙNG CHUNG
========================================================= */

.category-grid,
.feature-grid,
.product-grid,
.service-grid,
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.category-card,
.feature-card,
.service-card,
.why-grid article {
    padding: 30px;
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
    text-align: center;
}

.category-card {
    position: relative;
    display: flex;
    min-height: 224px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    color: var(--text);
    text-decoration: none;
}

.category-card::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 4px;
    background: var(--accent);
    content: '';
}

.category-icon {
    display: grid;
    width: 58px;
    height: 58px;
    margin-bottom: 16px;
    place-items: center;
    border-radius: 18px;
    background: #eaf1ff;
    color: var(--accent);
    font-size: 26px;
}

.category-card > i,
.feature-card > i,
.service-card > i,
.why-grid article > i {
    display: block;
    margin-bottom: 17px;
    color: var(--accent);
    font-size: 39px;
}

.category-card h3,
.feature-card h3,
.service-card h3,
.why-grid h3 {
    margin-bottom: 10px;
    color: var(--primary);
    font-size: 18px;
}

.category-card span {
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
}

.category-card .category-children {
    display: flex;
    min-height: 25px;
    max-width: 100%;
    justify-content: center;
    gap: 6px;
    margin: 0 0 16px;
    flex-wrap: wrap;
}

.category-card .category-children span {
    padding: 4px 8px;
    border-radius: 999px;
    background: #f1f5f9;
    color: #526174;
    font-size: 11px;
    font-weight: 600;
}

.category-card .category-empty {
    min-height: 25px;
    margin: 0 0 16px;
    color: #64748b;
    font-size: 12px;
    font-weight: 500;
}

.category-card .category-action {
    color: var(--accent);
}

.category-card span i {
    margin-left: 5px;
}

/* =========================================================
   5. GIỚI THIỆU VÀ SẢN PHẨM
========================================================= */

.about,
.services,
.why-us {
    background: var(--surface);
}

.feature-card {
    border-top: 4px solid var(--accent);
}

.feature-card p,
.service-card p,
.why-grid p {
    margin: 0;
    color: #475569;
    font-size: 14px;
}

.featured-products,
.news {
    background: #f8fafc;
}

.product-card,
.news-card {
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.product-card > img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.image-placeholder {
    display: grid;
    height: 220px;
    place-items: center;
    background: #eaf1fa;
    color: var(--accent);
    font-size: 45px;
}

.product-body {
    padding: 20px;
    text-align: center;
}

.product-body h3 {
    margin-bottom: 8px;
    font-size: 18px;
}

.product-body p {
    height: 48px;
    margin-bottom: 18px;
    overflow: hidden;
    color: #475569;
    font-size: 13px;
}

.view-all {
    display: block;
    width: max-content;
    margin: 32px auto 0;
    color: var(--accent);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}

.view-all i {
    margin-left: 7px;
}

/* =========================================================
   6. THƯƠNG HIỆU PHÂN PHỐI
========================================================= */

.brands {
    background: var(--surface);
}

.brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
}

.brand-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 110px;
    padding: 25px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: #ffffff;
    box-shadow: var(--shadow);
    color: var(--primary);
    font-size: 18px;
    font-weight: 800;
    text-align: center;
    text-decoration: none;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.brand-card:hover {
    border-color: var(--accent);
    box-shadow: 0 12px 25px rgba(15, 35, 60, 0.16);
    color: var(--accent);
}

.brand-card img {
    width: 100%;
    max-width: 155px;
    max-height: 62px;
    object-fit: contain;
}

.brand-group { margin-top: 36px; text-align: left; }
.brand-group-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid #e2e8f0; }
.brand-group-heading h3 { margin: 0; font-size: 21px; color: var(--primary); }
.brand-group-heading > span { font-size: 14px; color: #64748b; }
/* =========================================================
   7. DỊCH VỤ, TIN TỨC VÀ LÝ DO LỰA CHỌN
========================================================= */

.service-card {
    border-bottom: 4px solid var(--accent);
}

.news-card {
    text-align: left;
}

.news-card > img,
.news-placeholder {
    display: block;
    width: 100%;
    height: 190px;
    object-fit: cover;
}

.news-placeholder {
    display: grid;
    place-items: center;
    background: #eaf1fa;
    color: var(--accent);
    font-size: 45px;
}

.news-card > div:last-child {
    padding: 20px;
}

.news-card small {
    color: var(--accent);
    font-size: 12px;
    font-weight: 700;
}

.news-card h3 {
    margin: 8px 0;
    color: var(--primary);
    font-size: 18px;
    line-height: 1.45;
}

.news-card p {
    margin: 0;
    color: #475569;
    font-size: 13px;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.why-grid article {
    padding: 27px 20px;
}

.why-grid article > i {
    font-size: 35px;
}

/* =========================================================
   8. HIỆU ỨNG JAVASCRIPT
========================================================= */

/* Chuyển tiếp luôn có trên card, không phụ thuộc JavaScript hoặc trang chủ. */
:is(.category-card, .feature-card, .service-card, .product-card, .news-card, .brand-card, .why-grid article) {
    transition: opacity 0.45s ease, transform 0.3s cubic-bezier(0.2, 0.65, 0.3, 1),
        box-shadow 0.3s ease, border-color 0.3s ease;
}

.will-reveal {
    opacity: 0;
    transform: translateY(18px);
}

.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Chỉ nhấc card trên thiết bị có chuột; tránh hover bị giữ lại sau chạm. */
@media (hover: hover) and (pointer: fine) {
    :is(.category-card, .feature-card, .service-card, .product-card, .news-card, .brand-card, .why-grid article):hover {
        transform: translateY(-6px);
    }
}

@media (hover: none), (pointer: coarse) {
    :is(.category-card, .feature-card, .service-card, .product-card, .news-card, .brand-card, .why-grid article):hover {
        transform: none;
    }
    .product-card:hover .product-image img { transform: none; }
}

/* Tab tới liên kết trong card luôn hiện nội dung, kể cả trước khi observer chạy. */
.will-reveal:focus-within {
    opacity: 1;
    transform: none;
}

/* =========================================================
   9. LIÊN HỆ VÀ BẢN ĐỒ
========================================================= */

.contact-section {
    background: #eaf2fb;
}

.contact-heading {
    max-width: 720px;
    margin: 0 auto 38px;
    text-align: center;
}

.section-kicker {
    margin-bottom: 8px;
    color: var(--accent);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.2px;
}

.contact-heading h2 {
    margin-bottom: 10px;
}

.contact-heading > p:last-child {
    margin-bottom: 0;
    color: var(--muted);
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(290px, 0.9fr) minmax(0, 1.3fr);
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.contact-details {
    padding: 34px;
}

.company-legal-name {
    margin: 0 0 20px;
    color: var(--primary);
    font-size: 20px;
    line-height: 1.4;
    text-transform: uppercase;
}

.company-info-list {
    display: grid;
    gap: 13px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.company-info-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 14px;
    line-height: 1.55;
}

.company-info-list li > i {
    display: grid;
    flex: 0 0 30px;
    width: 30px;
    height: 30px;
    margin-top: -2px;
    place-items: center;
    border-radius: 8px;
    background: #dbeafe;
    color: var(--accent);
    font-size: 13px;
}

.company-info-list strong {
    color: var(--primary);
}

.company-info-list a {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
}

.company-info-list a:hover {
    color: var(--accent);
}

.contact-call-button {
    display: inline-flex;
    gap: 10px;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-top: 24px;
    padding: 13px 18px;
    border-radius: 9px;
    background: var(--accent);
    color: #ffffff;
    border: 0;
    cursor: pointer;
    font: inherit;
    font-weight: 700;
    text-decoration: none;
    transition: background 0.2s ease, transform 0.2s ease;
}

.contact-call-button:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.call-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    width: min(420px, calc(100% - 32px));
    margin: 0;
    padding: 34px;
    border: 0;
    border-radius: 16px;
    box-shadow: 0 20px 55px rgba(8, 47, 82, 0.3);
    color: var(--text);
    text-align: center;
    transform: translate(-50%, -50%);
}

.call-dialog::backdrop {
    background: rgba(8, 47, 82, 0.58);
}

.call-dialog-icon {
    display: grid;
    width: 52px;
    height: 52px;
    margin: 0 auto 14px;
    place-items: center;
    border-radius: 50%;
    background: #dbeafe;
    color: var(--accent);
    font-size: 22px;
}

.call-dialog h2 {
    margin: 0 0 6px;
    color: var(--primary);
    font-size: 22px;
}

.call-dialog p {
    margin: 0 0 22px;
    color: var(--muted);
    font-size: 14px;
}

.call-dialog-close {
    position: absolute;
    top: 12px;
    right: 12px;
    display: grid;
    width: 32px;
    height: 32px;
    place-items: center;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-size: 18px;
}

.call-dialog-close:hover {
    background: #f1f5f9;
    color: var(--primary);
}

.call-dialog-actions {
    display: grid;
    gap: 10px;
}

.call-option {
    display: flex;
    gap: 13px;
    align-items: center;
    padding: 13px 16px;
    border: 1px solid var(--line);
    border-radius: 10px;
    color: var(--primary);
    text-align: left;
    text-decoration: none;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.call-option:hover {
    border-color: var(--accent);
    background: #eff6ff;
    transform: translateY(-2px);
}

.call-option > i {
    display: grid;
    flex: 0 0 38px;
    width: 38px;
    height: 38px;
    place-items: center;
    border-radius: 9px;
    background: #dbeafe;
    color: var(--accent);
}

.call-option-zalo > i {
    background: #e0f2fe;
    color: #0284c7;
}

.call-option span {
    display: grid;
    gap: 1px;
}

.call-option strong {
    font-size: 15px;
}

.call-option small {
    color: var(--muted);
    font-size: 13px;
}

.floating-contact {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 30;
    display: grid;
    gap: 11px;
}

.floating-contact-button {
    display: grid;
    width: 52px;
    height: 52px;
    place-items: center;
    border: 0;
    border-radius: 50%;
    box-shadow: 0 6px 18px rgba(8, 47, 82, 0.25);
    color: #ffffff;
    cursor: pointer;
    font-size: 20px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.floating-contact-button:hover {
    box-shadow: 0 9px 23px rgba(8, 47, 82, 0.32);
    transform: translateY(-3px);
}

.floating-phone {
    background: #16a34a;
}

.floating-chat {
    background: var(--accent);
}

.quick-chatbox {
    position: fixed;
    right: 24px;
    bottom: 146px;
    z-index: 30;
    width: min(340px, calc(100% - 32px));
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #ffffff;
    box-shadow: 0 14px 38px rgba(8, 47, 82, 0.23);
}

.quick-chatbox-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 18px 20px;
    background: var(--primary);
    color: #ffffff;
}

.quick-chatbox-header p {
    margin: 0 0 1px;
    color: #93c5fd;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1px;
}

.quick-chatbox-header h2 {
    margin: 0;
    font-size: 18px;
}

.quick-chatbox-header button {
    display: grid;
    width: 30px;
    height: 30px;
    place-items: center;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    cursor: pointer;
}

.quick-chatbox-message {
    margin: 0;
    padding: 18px 20px 14px;
    color: var(--muted);
    font-size: 14px;
}

.quick-chatbox-actions {
    display: grid;
    gap: 9px;
    padding: 0 20px 20px;
}

.quick-chatbox-actions a {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 11px 13px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.quick-chatbox-actions a:hover {
    border-color: #93c5fd;
    background: #eff6ff;
}

.quick-chatbox-actions i {
    width: 18px;
    color: var(--accent);
    text-align: center;
}

.contact-map {
    position: relative;
    min-height: 420px;
    background: #dbeafe;
}

.contact-map iframe {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 420px;
    border: 0;
}

.map-directions {
    position: absolute;
    right: 18px;
    bottom: 18px;
    display: inline-flex;
    gap: 9px;
    align-items: center;
    padding: 11px 15px;
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 4px 14px rgba(15, 35, 60, 0.2);
    color: var(--primary);
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
    transition: color 0.2s ease, transform 0.2s ease;
}

.map-directions:hover {
    color: var(--accent);
    transform: translateY(-2px);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}

/* =========================================================
   10. FOOTER
========================================================= */

footer {
    background: var(--primary);
    color: #dbeafe;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.35fr 0.85fr 1fr 1.25fr;
    gap: 42px;
    padding: 58px 0 42px;
}

.footer-logo {
    display: block;
    width: 142px;
    height: auto;
    margin-bottom: 19px;
    padding: 4px;
    border-radius: 7px;
    background: #ffffff;
}

.footer-grid h3 {
    margin-bottom: 18px;
    color: #ffffff;
    font-size: 17px;
}

.footer-grid p {
    margin-bottom: 12px;
    font-size: 14px;
}

.footer-brand h3 {
    margin-bottom: 14px;
    font-size: 22px;
}

.footer-brand .footer-company-name {
    display: inline-block;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.65);
    color: #ffffff;
    font-size: 21px;
    font-weight: 800;
    letter-spacing: 0.4px;
    text-transform: uppercase;
}

.footer-brand .footer-company-legal {
    max-width: 270px;
    margin: 0 0 17px;
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.55;
}

.footer-support-numbers {
    display: grid;
    gap: 10px;
}

.footer-support-numbers a {
    margin: 0;
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
}

.footer-support-numbers a span {
    color: #dbeafe;
    font-weight: 500;
}

.footer-grid a {
    display: block;
    margin-bottom: 11px;
    color: #dbeafe;
    font-size: 14px;
    text-decoration: none;
    transition: color 0.2s ease, transform 0.2s ease;
}

.footer-grid a:hover {
    color: #ffffff;
    transform: translateX(3px);
}

.footer-contact a {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    line-height: 1.5;
}

.footer-contact a i {
    width: 19px;
    margin-top: 3px;
    color: #f8c65d;
    text-align: center;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 14px;
    padding: 0 0 30px;
}

.footer-social a {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    border-radius: 50%;
    background: rgba(96, 165, 250, 0.18);
    color: #ffffff;
    font-size: 18px;
    text-decoration: none;
    transition: background 0.2s ease, transform 0.2s ease;
}

.footer-social a:hover {
    background: var(--accent);
    transform: translateY(-4px);
}

.zalo-icon {
    font-size: 12px;
    font-weight: 800;
    letter-spacing: -0.4px;
}

.footer-bottom {
    padding: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    color: #bfdbfe;
    font-size: 13px;
    text-align: center;
}

/* =========================================================
   11. TRANG HỖ TRỢ
========================================================= */

.support-page {
    min-height: calc(100vh - 90px);
    padding: 90px 0;
    background: #f5f7fa;
}

.support-content {
    max-width: 820px;
    padding: 42px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #ffffff;
    box-shadow: var(--shadow);
}

.support-content h1 {
    margin-bottom: 12px;
    color: var(--primary);
    font-size: 31px;
}

.support-intro {
    margin-bottom: 26px;
    color: var(--muted);
    font-size: 16px;
}

.support-list {
    display: grid;
    gap: 14px;
    margin: 0;
    padding-left: 24px;
}

.support-list li {
    padding-left: 7px;
}

.support-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.support-outline {
    border: 1px solid var(--primary);
    background: #ffffff;
    color: var(--primary);
}

.news-page {
    min-height: calc(100vh - 90px);
}

.news-page > .container > h1 {
    margin-bottom: 12px;
    color: var(--primary);
    font-size: 31px;
    text-align: center;
    text-transform: uppercase;
}

.news-page .section-kicker {
    text-align: center;
}

.news-page .news-card h2 {
    margin: 8px 0;
    color: var(--primary);
    font-size: 19px;
}

.news-back {
    margin: 35px 0 0;
    text-align: center;
}

.news-read-more {
    display: inline-flex;
    gap: 7px;
    align-items: center;
    margin-top: 8px;
    color: var(--accent);
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
}

.news-read-more:hover {
    color: var(--accent-hover);
}

.article-page {
    min-height: calc(100vh - 90px);
}

.article-content {
    max-width: 900px;
    padding: 42px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #ffffff;
    box-shadow: var(--shadow);
}

.article-back {
    display: inline-block;
    margin-bottom: 28px;
    color: var(--accent);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}

.article-content h1 {
    margin-bottom: 12px;
    color: var(--primary);
    font-size: 32px;
    line-height: 1.35;
}

.article-date {
    margin-bottom: 25px;
    color: var(--muted);
    font-size: 14px;
}

.article-date i {
    margin-right: 6px;
    color: var(--accent);
}

.article-image {
    display: block;
    width: 100%;
    max-height: 500px;
    margin-bottom: 25px;
    border-radius: 11px;
    object-fit: cover;
}

.article-excerpt {
    margin-bottom: 20px;
    color: var(--primary);
    font-size: 18px;
    font-weight: 600;
    line-height: 1.7;
}

.article-body {
    color: #334155;
    line-height: 1.9;
}

/* =========================================================
   11. RESPONSIVE
========================================================= */

@media (max-width: 800px) {

    .hero {
        min-height: 440px;
    }

    .hero-slides,
    .hero-slide {
        min-height: 440px;
    }

    .section {
        padding: 58px 0;
    }

    .category-grid,
    .feature-grid,
    .product-grid,
    .brand-grid,
    .service-grid,
    .news-grid,
    .contact-layout,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .contact-map,
    .contact-map iframe {
        min-height: 330px;
    }

    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        gap: 28px;
        padding: 45px 0;
    }
}

@media (max-width: 480px) {
    .container {
        width: min(100% - 30px, 1180px);
    }

    .section h2 {
        font-size: 23px;
    }

    .hero h1 {
        font-size: 40px;
    }

    .hero-slogan {
        font-size: 16px;
    }

    .btn {
        width: 100%;
        max-width: 240px;
    }

    .why-grid {
        grid-template-columns: 1fr;
    }

    .product-card > img,
    .image-placeholder {
        height: 200px;
    }

    .floating-contact {
        right: 16px;
        bottom: 16px;
    }

    .floating-contact-button {
        width: 48px;
        height: 48px;
    }

    .quick-chatbox {
        right: 16px;
        bottom: 130px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .product-card:hover .product-image img { transform: none; }

    .will-reveal,
    :is(.category-card, .feature-card, .service-card, .product-card, .news-card, .brand-card, .why-grid article),
    :is(.category-card, .feature-card, .service-card, .product-card, .news-card, .brand-card, .why-grid article):hover {
        opacity: 1;
        transform: none;
        transition: none;
    }
}