/* ============================================================
   HANXING SEAFOOD - B2B Frozen Seafood Export Website
   Main Stylesheet
   ============================================================
   Pages: index.html, products.html, product-pacific-mackerel.html,
          blog.html, article-detail.html, about.html, contact.html
   WordPress-ready: class naming follows wp-theme conventions
   ============================================================ */

/* ----------------------------------------------------------
   1. CSS VARIABLES & DESIGN TOKENS
   ---------------------------------------------------------- */
:root {
    /* Primary Colors — brightened ~5% */
    --color-navy: #12294D;
    --color-navy-light: #1A3460;
    --color-brand-blue: #2470C2;
    --color-brand-blue-dark: #1A5A9E;
    --color-brand-blue-light: #3A85D3;

    /* Neutrals — brightened ~5% */
    --color-white: #FFFFFF;
    --color-off-white: #FAFCFE;
    --color-ice-blue: #F0F6FF;
    --color-ice-blue-light: #F7FAFF;
    --color-light-gray: #F4F8FA;
    --color-border: #E4ECF4;
    --color-border-light: #EBF1F7;
    --color-gray-blue: #8C9FB5;
    --color-gray-dark: #5E6F82;
    --color-text: #1E293B;
    --color-text-light: #475569;

    /* Accent */
    --color-accent-gold: #D4A853;
    --color-accent-coral: #E8765A;
    --color-accent-warm: #F5A623;
    --color-accent-teal: #26A69A;

    /* Gradients */
    --gradient-warm: linear-gradient(135deg, #2470C2 0%, #3A85D3 50%, #26A69A 100%);
    --gradient-light: linear-gradient(135deg, #F7FAFF 0%, #F0F6FF 50%, #FFF9F0 100%);
    --gradient-card: linear-gradient(180deg, #FFFFFF 0%, #FAFCFE 100%);

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;

    /* Spacing */
    --section-padding: 88px 0;
    --section-padding-sm: 56px 0;
    --container-max: 1320px;
    --container-narrow: 1100px;

    /* Border Radius — slightly rounder for friendlier feel */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;

    /* Shadows — slightly softer */
    --shadow-sm: 0 2px 6px rgba(18, 41, 77, 0.05);
    --shadow-md: 0 4px 20px rgba(18, 41, 77, 0.08);
    --shadow-lg: 0 8px 36px rgba(18, 41, 77, 0.10);
    --shadow-card-hover: 0 14px 42px rgba(18, 41, 77, 0.12);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.28s ease;
    --transition-slow: 0.4s ease;
}

/* ----------------------------------------------------------
   2. RESET & BASE STYLES
   ---------------------------------------------------------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

.container--narrow {
    max-width: var(--container-narrow);
}

/* Section Spacing */
.section {
    padding: var(--section-padding);
}

.section--sm {
    padding: var(--section-padding-sm);
}

.section--gray {
    background: linear-gradient(180deg, #FAFCFE 0%, #F4F8FA 100%);
}

.section--ice {
    background: linear-gradient(180deg, #F7FAFF 0%, #F0F6FF 50%, #FFF9F0 100%);
}

/* Section Title */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header--left {
    text-align: left;
}

.section-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-brand-blue);
    background: rgba(36, 112, 194, 0.06);
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    color: var(--color-navy);
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-title--lg {
    font-size: 44px;
}

.section-title--sm {
    font-size: 28px;
}

.section-subtitle {
    font-size: 17px;
    color: var(--color-gray-dark);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.section-divider {
    width: 56px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-brand-blue), var(--color-accent-teal));
    border-radius: 2px;
    margin: 0 auto 24px;
}

/* ----------------------------------------------------------
   3. TOP INFO BAR
   ---------------------------------------------------------- */
.top-info-bar {
    background: linear-gradient(90deg, #FAFCFE 0%, #F0F6FF 50%, #FAFCFE 100%);
    border-bottom: 1px solid var(--color-border-light);
    padding: 10px 0;
    font-size: 13px;
    color: var(--color-gray-dark);
}

.top-info-bar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.top-info-bar__left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.top-info-bar__tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.top-info-bar__icon {
    width: 14px;
    height: 14px;
    stroke: var(--color-brand-blue);
    flex-shrink: 0;
}

.top-info-bar__right {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.top-info-bar__label {
    font-weight: 500;
    color: var(--color-gray-blue);
    font-size: 12px;
}

.top-info-bar__contact {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.top-info-bar__contact a {
    color: var(--color-navy);
    font-weight: 500;
}

.top-info-bar__contact a:hover {
    color: var(--color-brand-blue);
}

.top-info-bar__lang {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    font-weight: 500;
    color: var(--color-navy);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    font-size: 12px;
}

.top-info-bar__lang:hover {
    border-color: var(--color-brand-blue);
    color: var(--color-brand-blue);
}

/* ----------------------------------------------------------
   4. SITE HEADER & MAIN NAV
   ---------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-white);
    transition: box-shadow var(--transition-base);
}

.site-header--scrolled {
    box-shadow: var(--shadow-md);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

/* Logo */
.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.site-logo__icon {
    width: 36px;
    height: 36px;
    color: var(--color-brand-blue);
}

.site-logo__image {
    width: 44px;
    height: 44px;
    object-fit: contain;
    flex-shrink: 0;
}

.site-logo__text {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-navy);
    letter-spacing: 1px;
    line-height: 1.2;
}

.site-logo__text small {
    display: block;
    font-size: 10px;
    font-weight: 400;
    letter-spacing: 2.5px;
    color: var(--color-gray-blue);
    text-transform: uppercase;
}

/* Main Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.main-nav__list {
    display: flex;
    align-items: center;
    gap: 4px;
}

.main-nav__item {
    position: relative;
}

.main-nav__link {
    display: block;
    padding: 10px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-navy);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    transition: color var(--transition-fast), background var(--transition-fast);
}

.main-nav__link:hover {
    color: var(--color-brand-blue);
    background-color: var(--color-ice-blue);
}

.main-nav__link--active {
    color: var(--color-brand-blue);
}

.main-nav__link--active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-brand-blue), var(--color-accent-teal));
    border-radius: 2px;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.header-actions__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--color-navy);
    transition: all var(--transition-fast);
}

.header-actions__icon:hover {
    background-color: var(--color-ice-blue);
    color: var(--color-brand-blue);
}

.header-actions__icon svg {
    width: 20px;
    height: 20px;
}

/* Quote Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    white-space: nowrap;
    cursor: pointer;
    line-height: 1.2;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-brand-blue), var(--color-brand-blue-light));
    color: var(--color-white);
    border: 2px solid transparent;
}

.btn--primary:hover {
    background: linear-gradient(135deg, var(--color-brand-blue-dark), var(--color-brand-blue));
    border-color: transparent;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(36, 112, 194, 0.3);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-brand-blue);
    border: 2px solid var(--color-brand-blue);
}

.btn--outline:hover {
    background: linear-gradient(135deg, var(--color-brand-blue), var(--color-brand-blue-light));
    color: var(--color-white);
    border-color: transparent;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(36, 112, 194, 0.25);
}

.btn--outline-white {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255,255,255,0.5);
}

.btn--outline-white:hover {
    background-color: var(--color-white);
    color: var(--color-navy);
    border-color: var(--color-white);
}

.btn--whatsapp {
    background: #25D366;
    color: #fff;
    border: 2px solid #25D366;
}

.btn--whatsapp:hover {
    background: #1da851;
    border-color: #1da851;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
}

.btn--whatsapp svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.btn--white {
    background-color: var(--color-white);
    color: var(--color-navy);
    border: 2px solid var(--color-white);
}

.btn--white:hover {
    background-color: var(--color-off-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn--sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn--lg {
    padding: 16px 32px;
    font-size: 16px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-navy);
    transition: all var(--transition-base);
    border-radius: 2px;
}

.mobile-menu-toggle--active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle--active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle--active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ----------------------------------------------------------
   5. HERO SECTION (Homepage)
   ---------------------------------------------------------- */
.hero {
    position: relative;
    background:
        linear-gradient(90deg, rgba(4, 25, 55, 0.92) 0%, rgba(6, 42, 86, 0.82) 34%, rgba(6, 42, 86, 0.34) 58%, rgba(6, 42, 86, 0.04) 100%),
        url("../images/home-banner-port.webp") center right / cover no-repeat;
    padding: 112px 0 96px;
    overflow: hidden;
    min-height: 660px;
    display: flex;
    align-items: center;
    isolation: isolate;
}

.hero::before {
    content: '';
    position: absolute;
    inset: auto 0 0;
    height: 34%;
    background: linear-gradient(0deg, rgba(4, 19, 40, 0.68) 0%, rgba(4, 19, 40, 0) 100%);
    pointer-events: none;
    z-index: -1;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(4, 16, 35, 0.18) 0%, rgba(4, 16, 35, 0) 36%);
    pointer-events: none;
    z-index: -1;
}

.hero .container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero__content {
    color: var(--color-white);
    max-width: 620px;
}

.hero__label {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.94);
    background: rgba(35, 126, 219, 0.5);
    padding: 9px 18px;
    border-radius: 24px;
    margin-bottom: 24px;
    border: 1px solid rgba(255,255,255,0.24);
    backdrop-filter: blur(10px);
    box-shadow: 0 12px 28px rgba(0, 51, 111, 0.22);
}

.hero__title {
    font-size: 60px;
    font-weight: 800;
    line-height: 1.08;
    margin-bottom: 24px;
    letter-spacing: 0;
    text-shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
}

.hero__title span {
    background: linear-gradient(135deg, #7DD3FC 0%, #2DD4BF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: rgba(255,255,255,0.82);
    margin-bottom: 36px;
    max-width: 570px;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Product detail — action buttons spacing */
.product-info .hero__actions {
    margin-top: 20px;
}

.hero__highlights {
    width: min(100%, 980px);
    margin-top: 58px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.hero__highlight {
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.58);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 18px 48px rgba(3, 25, 58, 0.24);
    backdrop-filter: blur(14px);
}

.hero__highlight-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(36, 112, 194, 0.12), rgba(38, 166, 154, 0.14));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.hero__highlight-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-brand-blue);
}

.hero__highlight strong {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-navy);
    line-height: 1.4;
}

.hero__highlight span {
    display: block;
    font-weight: 400;
    color: var(--color-gray-dark);
    font-size: 13px;
    line-height: 1.45;
    margin-top: 2px;
}

/* ----------------------------------------------------------
   6. PRODUCT CATEGORY SECTION (Homepage)
   ---------------------------------------------------------- */
.category-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.category-card {
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    padding: 0 0 20px;
    text-align: center;
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
    cursor: pointer;
    overflow: hidden;
    position: relative;
}

.category-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-brand-blue), var(--color-accent-teal));
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-brand-blue-light);
}

.category-card:hover::after {
    transform: scaleX(1);
}

.category-card__image {
    width: 100%;
    aspect-ratio: 4/3;
    margin-bottom: 16px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-light-gray);
}

.category-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.category-card:hover .category-card__image img {
    transform: scale(1.08);
}

.category-card__image--empty {
    background: var(--color-ice-blue);
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-card__image--empty::after {
    content: '';
    width: 40px;
    height: 40px;
    background: var(--color-brand-blue);
    opacity: 0.2;
    border-radius: var(--radius-sm);
}

.category-card__title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-navy);
    text-align: center;
}

/* ----------------------------------------------------------
   7. ADVANTAGES SECTION (Homepage)
   ---------------------------------------------------------- */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.advantage-card {
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base),
                box-shadow var(--transition-base),
                border-color var(--transition-base);
    display: flex;
    gap: 20px;
    align-items: flex-start;
    position: relative;
    overflow: hidden;
}

/* Left accent bar — always subtly visible */
.advantage-card::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 0;
    width: 3px;
    height: calc(100% - 24px);
    background: linear-gradient(180deg, var(--color-brand-blue), var(--color-accent-teal));
    opacity: 0.25;
    border-radius: 0 2px 2px 0;
    transition: opacity var(--transition-base), width var(--transition-base);
}

.advantage-card:hover {
    box-shadow: var(--shadow-card-hover);
    border-color: var(--color-brand-blue-light);
    transform: translateY(-4px);
}

.advantage-card:hover::before {
    opacity: 1;
    width: 4px;
}

.advantage-card__icon {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    background: var(--color-ice-blue);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-base),
                background var(--transition-base);
}

.advantage-card:hover .advantage-card__icon {
    background: linear-gradient(135deg, var(--color-brand-blue), var(--color-accent-teal));
    transform: scale(1.08);
}

.advantage-card__icon svg {
    width: 26px;
    height: 26px;
    color: var(--color-brand-blue);
    transition: color var(--transition-base);
}

.advantage-card:hover .advantage-card__icon svg {
    color: #FFFFFF;
}

.advantage-card__title {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 8px;
}

.advantage-card__desc {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.65;
}

/* ----------------------------------------------------------
   8. PRODUCT CARD (Shared: Homepage, Products page)
   ---------------------------------------------------------- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.product-card {
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
    transition: all var(--transition-base);
    position: relative;
}

.product-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-brand-blue), var(--color-accent-coral));
    transform: scaleX(0);
    transition: transform var(--transition-base);
    z-index: 2;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--color-brand-blue-light);
}

.product-card:hover::after {
    transform: scaleX(1);
}

.product-card__image-wrap {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--color-light-gray);
}

.product-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-card__image {
    transform: scale(1.08);
}

.product-card__category-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(11, 30, 61, 0.8);
    color: var(--color-white);
    font-size: 11px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 20px;
    backdrop-filter: blur(4px);
}

.product-card__body {
    padding: 20px;
}

.product-card__name {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 4px;
    line-height: 1.3;
}

.product-card__latin {
    font-size: 13px;
    color: var(--color-gray-blue);
    font-style: italic;
    margin-bottom: 16px;
}

.product-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.product-card__meta-item {
    font-size: 12px;
    color: var(--color-gray-dark);
    background: var(--color-light-gray);
    padding: 4px 10px;
    border-radius: 4px;
}

.product-card__btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-brand-blue);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    background: var(--color-white);
}

.product-card__btn:hover {
    background: linear-gradient(135deg, var(--color-brand-blue), var(--color-brand-blue-light));
    color: var(--color-white);
    border-color: transparent;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(36, 112, 194, 0.25);
}

.product-card__btn svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.product-card__btn:hover svg {
    transform: translateX(2px);
}

/* Product Grid 3-col variant */
.product-grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

/* Product Grid 2-col variant */
.product-grid--2 {
    grid-template-columns: repeat(2, 1fr);
}

/* ----------------------------------------------------------
   9. EXPORT MARKETS SECTION (Homepage)
   ---------------------------------------------------------- */
.markets-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 920px;
    margin: 0 auto;
}

.market-card {
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
    border-radius: var(--radius-lg);
    padding: 40px 28px;
    text-align: center;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base),
                box-shadow var(--transition-base),
                border-color var(--transition-base);
    position: relative;
    overflow: hidden;
}

/* Top accent bar — always subtly visible, brightens on hover */
.market-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 12px;
    right: 12px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-brand-blue), var(--color-accent-warm));
    opacity: 0.3;
    border-radius: 0 0 2px 2px;
    transition: opacity var(--transition-base),
                left var(--transition-base),
                right var(--transition-base);
}

.market-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--color-brand-blue-light);
}

.market-card:hover::before {
    opacity: 1;
    left: 0;
    right: 0;
}

.market-card__flag {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    color: var(--color-brand-blue);
}

.market-card__flag svg {
    width: 100%;
    height: 100%;
}

.market-card__name {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 8px;
}

.market-card__desc {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ----------------------------------------------------------
   9B. CERTIFICATE DETAIL CARDS (Certificates Page)
   ---------------------------------------------------------- */
/* Certificate Detail Cards */
.cert-detail-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 900px;
    margin: 0 auto 56px;
}

.cert-detail-card {
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    border-left: 4px solid var(--color-brand-blue);
    padding: 32px 36px;
    display: flex;
    gap: 28px;
    align-items: flex-start;
    transition: all var(--transition-base);
    position: relative;
}

.cert-detail-card:hover {
    box-shadow: var(--shadow-md);
    border-left-color: var(--color-accent-teal);
    transform: translateX(4px);
}

.cert-detail-card__icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-ice-blue), rgba(36, 112, 194, 0.06));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.cert-detail-card:hover .cert-detail-card__icon {
    background: linear-gradient(135deg, rgba(36, 112, 194, 0.12), rgba(38, 166, 154, 0.08));
}

.cert-detail-card__icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-brand-blue);
    transition: color var(--transition-base);
}

.cert-detail-card:hover .cert-detail-card__icon svg {
    color: #2470C2;
}

.cert-detail-card__body {
    flex: 1;
    min-width: 0;
}

.cert-detail-card__number {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--color-brand-blue);
    text-transform: uppercase;
    margin-bottom: 6px;
}

.cert-detail-card__title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 4px;
}

.cert-detail-card__subtitle {
    font-size: 14px;
    color: var(--color-gray-blue);
    margin-bottom: 12px;
}

.cert-detail-card__desc {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.75;
    margin-bottom: 14px;
}

.cert-detail-card__tags {
    display: flex;
    flex-direction: row;
    gap: 8px;
    flex-wrap: wrap;
}

.cert-detail-card__tag {
    background: var(--color-ice-blue);
    color: var(--color-brand-blue);
    font-size: 12px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 20px;
    white-space: nowrap;
    display: inline-block;
}

/* Quality Process - Horizontal Flow */
.quality-process {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0;
    position: relative;
}

.quality-process::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--color-border);
    z-index: 0;
}

.quality-step {
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 0 8px;
}

.quality-step__dot {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-white);
    border: 3px solid var(--color-brand-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 20px;
    font-weight: 800;
    color: var(--color-brand-blue);
    transition: all var(--transition-base);
}

.quality-step:hover .quality-step__dot {
    background: linear-gradient(135deg, var(--color-brand-blue), var(--color-accent-teal));
    color: var(--color-white);
    border-color: transparent;
    box-shadow: 0 6px 20px rgba(36, 112, 194, 0.35);
    transform: scale(1.08);
}

.quality-step__title {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 6px;
    line-height: 1.3;
}

.quality-step__desc {
    font-size: 12px;
    color: var(--color-gray-dark);
    line-height: 1.5;
}

@media (max-width: 1024px) {
    .quality-process {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .quality-process::before { display: none; }
}

@media (max-width: 768px) {
    .cert-detail-card {
        flex-direction: column;
        gap: 16px;
        padding: 24px;
        border-left-width: 3px;
    }
    .cert-detail-card:hover { transform: none; }
    .cert-detail-card__icon {
        width: 52px;
        height: 52px;
    }
    .cert-detail-card__icon svg {
        width: 26px;
        height: 26px;
    }
    .quality-process {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .quality-process {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* ----------------------------------------------------------
   10. CERTIFICATES SECTION (Homepage)
   ---------------------------------------------------------- */
.certs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.cert-card {
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid var(--color-border-light);
    display: flex;
    gap: 16px;
    align-items: center;
    transition: all var(--transition-base);
}

.cert-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-brand-blue-light);
    transform: translateY(-2px);
}

.cert-card__icon {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--color-ice-blue), rgba(36, 112, 194, 0.08));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.cert-card:hover .cert-card__icon {
    background: linear-gradient(135deg, rgba(36, 112, 194, 0.15), rgba(38, 166, 154, 0.08));
}

.cert-card__icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-brand-blue);
}

.cert-card__title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 4px;
}

.cert-card__desc {
    font-size: 13px;
    color: var(--color-gray-dark);
    line-height: 1.5;
}

/* ----------------------------------------------------------
   11. NEWS CARDS (Homepage & Blog)
   ---------------------------------------------------------- */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.news-card {
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
    transition: all var(--transition-base);
    position: relative;
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.news-card__image-wrap {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--color-light-gray);
}

.news-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .news-card__image {
    transform: scale(1.06);
}

.news-card__category {
    position: absolute;
    top: 12px;
    left: 12px;
    background: linear-gradient(135deg, var(--color-brand-blue), var(--color-accent-teal));
    color: var(--color-white);
    font-size: 11px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.news-card__body {
    padding: 24px;
}

.news-card__date {
    font-size: 13px;
    color: var(--color-gray-blue);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.news-card__date svg {
    width: 14px;
    height: 14px;
}

.news-card__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-card__title a:hover {
    color: var(--color-brand-blue);
}

.news-card__excerpt {
    font-size: 14px;
    color: var(--color-gray-dark);
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card__read-more {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-brand-blue);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.news-card__read-more:hover {
    gap: 10px;
}

.news-card__read-more svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.news-card__read-more:hover svg {
    transform: translateX(3px);
}

/* ----------------------------------------------------------
   12. CTA SECTION (Shared)
   ---------------------------------------------------------- */
.cta-section {
    background: linear-gradient(135deg, #12294D 0%, #1A4578 50%, #2470C2 100%);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(245, 166, 35, 0.15) 0%, rgba(38, 166, 154, 0.08) 50%, transparent 70%);
    border-radius: 50%;
    animation: ctaPulse 6s ease-in-out infinite alternate;
}

@keyframes ctaPulse {
    0% { transform: scale(1); opacity: 0.7; }
    100% { transform: scale(1.12); opacity: 1.1; }
}

.cta-section__title {
    font-size: 36px;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.cta-section__text {
    font-size: 17px;
    color: rgba(255,255,255,0.7);
    max-width: 550px;
    margin: 0 auto 32px;
    position: relative;
    z-index: 1;
}

.cta-section__actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* ----------------------------------------------------------
   13. PAGE BANNER (Shared for inner pages)
   ---------------------------------------------------------- */
.page-banner {
    background: linear-gradient(135deg, #F7FAFF 0%, #EEF4FF 40%, #FFF9F0 100%);
    padding: 56px 0;
    border-bottom: 1px solid var(--color-border-light);
}

.page-banner .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.page-banner__content {
    flex: 1;
}

.page-banner__title {
    font-size: 38px;
    font-weight: 800;
    color: var(--color-navy);
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.page-banner__subtitle {
    font-size: 16px;
    color: var(--color-gray-dark);
    max-width: 500px;
}

.page-banner__image {
    width: 280px;
    height: 180px;
    background: linear-gradient(135deg, rgba(27,95,170,0.1), rgba(27,95,170,0.05));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
    border: 1px solid rgba(27,95,170,0.1);
}

.page-banner__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Breadcrumbs */
.products-page-shell,
.content-page-shell {
    padding-top: 28px;
}

.products-page-shell .breadcrumbs,
.content-page-shell .breadcrumbs {
    width: fit-content;
    margin-bottom: 28px;
    padding: 10px 16px;
    background: rgba(255,255,255,0.88);
    border: 1px solid var(--color-border-light);
    border-radius: 999px;
    box-shadow: var(--shadow-sm);
}

.products-page-shell .breadcrumbs::before,
.content-page-shell .breadcrumbs::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-brand-blue), var(--color-accent-teal));
    margin-right: 2px;
    flex-shrink: 0;
}

.products-page-shell .products-layout {
    padding-top: 24px;
}

.products-page-shell .mobile-filter-toggle {
    margin-bottom: 20px;
}

.product-detail.content-page-shell,
.article-detail.content-page-shell {
    padding-top: 28px;
}

.content-page-shell.contact-page-shell {
    padding-top: 28px;
    padding-bottom: 64px;
}
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--color-gray-blue);
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.breadcrumbs a {
    color: var(--color-gray-dark);
}

.breadcrumbs a:hover {
    color: var(--color-brand-blue);
}

.breadcrumbs__sep {
    color: var(--color-border);
}

.breadcrumbs__current {
    color: var(--color-brand-blue);
    font-weight: 500;
}

/* ----------------------------------------------------------
   14. PRODUCTS PAGE LAYOUT
   ---------------------------------------------------------- */
.products-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 32px;
    align-items: start;
    padding: 48px 0 64px;
}

.mobile-filter-toggle {
    display: none;
}

/* Product Sidebar */
.product-sidebar {
    position: sticky;
    top: 90px;
}

.category-menu {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
    margin-bottom: 24px;
}

.category-menu__title {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-navy);
    padding: 20px 20px 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.category-item {
    border-bottom: 1px solid var(--color-border-light);
}

.category-item:last-child {
    border-bottom: none;
}

.category-item__header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    cursor: pointer;
    transition: all var(--transition-fast);
    width: 100%;
    text-align: left;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-navy);
}

.category-item__header:hover {
    background: var(--color-ice-blue-light);
}

.category-item__header--active {
    background: var(--color-ice-blue);
    color: var(--color-brand-blue);
    font-weight: 600;
    border-left: 3px solid var(--color-brand-blue);
    padding-left: 17px;
}

.category-item__icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-gray-blue);
}

.category-item__header--active .category-item__icon {
    color: var(--color-brand-blue);
}

.category-item__toggle {
    margin-left: auto;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    transition: transform var(--transition-base);
    color: var(--color-gray-blue);
}

.category-item__toggle--open {
    transform: rotate(180deg);
}

/* Submenu */
.category-submenu {
    display: none;
    background: var(--color-off-white);
}

.category-submenu--open {
    display: block;
}

.category-submenu__item {
    display: block;
    padding: 10px 20px 10px 52px;
    font-size: 13px;
    color: var(--color-gray-dark);
    transition: all var(--transition-fast);
    position: relative;
    cursor: pointer;
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
}

.category-submenu__item:last-child {
    border-bottom: none;
}

.category-submenu__item::before {
    content: '';
    position: absolute;
    left: 36px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background: var(--color-border);
    border-radius: 50%;
}

.category-submenu__item:hover {
    color: var(--color-brand-blue);
    background: var(--color-ice-blue-light);
}

.category-submenu__item:hover::before {
    background: var(--color-brand-blue);
}

.category-submenu__item--active {
    color: var(--color-brand-blue);
    font-weight: 600;
}

.category-submenu__item--active::before {
    background: var(--color-brand-blue);
    width: 3px;
    height: 16px;
    border-radius: 2px;
    left: 37px;
}

/* Quote Card in Sidebar */
.quote-card {
    background: linear-gradient(135deg, #EEF4FF 0%, #F7FAFF 50%, #FFF9F0 100%);
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid var(--color-border);
}

.quote-card__icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-white), #F7FAFF);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
}

.quote-card__icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-brand-blue);
}

.quote-card__title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 8px;
}

.quote-card__text {
    font-size: 13px;
    color: var(--color-gray-dark);
    line-height: 1.6;
    margin-bottom: 16px;
}

/* Products Content Area */
.products-content {
    min-width: 0;
}

/* Products Toolbar */
.products-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    padding: 12px 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.products-toolbar__count {
    font-size: 14px;
    color: var(--color-gray-dark);
}

.products-toolbar__count strong {
    color: var(--color-navy);
}

.products-toolbar__actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.products-toolbar__select {
    padding: 8px 32px 8px 14px;
    font-size: 13px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-navy);
    background: var(--color-white);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

.products-toolbar__select:focus {
    outline: none;
    border-color: var(--color-brand-blue);
}

.products-toolbar__filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-navy);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    cursor: pointer;
    transition: all var(--transition-base);
}

.products-toolbar__filter-btn:hover {
    border-color: var(--color-brand-blue);
    color: var(--color-brand-blue);
    background: rgba(36, 112, 194, 0.04);
}

.products-toolbar__filter-btn svg {
    width: 16px;
    height: 16px;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.pagination__item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-navy);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-fast);
}

.pagination__item:hover {
    border-color: var(--color-brand-blue);
    color: var(--color-brand-blue);
}

.pagination__item--active {
    background: linear-gradient(135deg, var(--color-brand-blue), var(--color-brand-blue-light));
    color: var(--color-white);
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(36, 112, 194, 0.25);
}

.pagination__item--arrow {
    font-size: 18px;
}

/* ----------------------------------------------------------
   15. PRODUCT DETAIL PAGE
   ---------------------------------------------------------- */
.product-detail {
    padding: 48px 0 64px;
}

.product-detail__main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-bottom: 56px;
}

/* Product Gallery */
.product-gallery {
    position: relative;
}

.product-gallery__main {
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-light-gray);
    margin-bottom: 12px;
    border: 1px solid var(--color-border-light);
}

.product-gallery__main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-gallery__thumbs {
    display: flex;
    gap: 10px;
}

.product-gallery__thumb {
    width: 80px;
    height: 60px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
    background: var(--color-light-gray);
}

.product-gallery__thumb:hover {
    border-color: var(--color-brand-blue-light);
}

.product-gallery__thumb--active {
    border-color: var(--color-brand-blue);
}

.product-gallery__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Product Info */
.product-info__category {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-brand-blue);
    background: linear-gradient(135deg, rgba(36, 112, 194, 0.08), rgba(38, 166, 154, 0.06));
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 16px;
}

.product-info__name {
    font-size: 34px;
    font-weight: 800;
    color: var(--color-navy);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.product-info__latin {
    font-size: 16px;
    color: var(--color-gray-blue);
    font-style: italic;
    margin-bottom: 24px;
}

.product-info__chinese {
    font-size: 15px;
    color: var(--color-gray-dark);
    margin-bottom: 24px;
}

/* Specs Table */
.product-specs {
    margin-bottom: 24px;
    width: 100%;
    border-collapse: collapse;
}

.product-specs tr {
    border-bottom: 1px solid var(--color-border-light);
}

.product-specs tr:last-child {
    border-bottom: none;
}

.product-specs td {
    padding: 12px 0;
    font-size: 14px;
}

.product-specs td:first-child {
    font-weight: 600;
    color: var(--color-navy);
    width: 180px;
}

.product-specs td:last-child {
    color: var(--color-text);
}

/* Product Detail Tabs */
.product-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--color-border-light);
    margin-bottom: 32px;
}

.product-tabs__btn {
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-gray-dark);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-fast);
}

.product-tabs__btn:hover {
    color: var(--color-brand-blue);
}

.product-tabs__btn--active {
    color: var(--color-brand-blue);
    border-bottom-color: var(--color-brand-blue);
    position: relative;
}

.product-tabs__btn--active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-brand-blue), var(--color-accent-teal));
}

/* Product Detail Content */
.product-detail__content h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 16px;
    margin-top: 32px;
}

.product-detail__content h3:first-child {
    margin-top: 0;
}

.product-detail__content p {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 16px;
}

.product-detail__content ul {
    list-style: disc;
    margin-left: 20px;
    margin-bottom: 16px;
}

.product-detail__content ul li {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 6px;
}

/* Related Products */
.related-products {
    margin-top: 56px;
    padding-top: 48px;
    border-top: 1px solid var(--color-border-light);
}

/* ----------------------------------------------------------
   16. BLOG PAGE
   ---------------------------------------------------------- */
.blog-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    align-items: start;
    padding: 48px 0 64px;
}

/* Blog Sidebar */
.blog-sidebar {
    position: sticky;
    top: 90px;
}

.blog-sidebar__widget {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    padding: 24px;
    margin-bottom: 24px;
}

.blog-sidebar__widget-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid;
    border-image: linear-gradient(90deg, var(--color-brand-blue), var(--color-accent-teal)) 1;
}

.blog-sidebar__categories li {
    border-bottom: 1px solid var(--color-border-light);
}

.blog-sidebar__categories li:last-child {
    border-bottom: none;
}

.blog-sidebar__categories a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    font-size: 14px;
    color: var(--color-gray-dark);
    transition: color var(--transition-fast);
}

.blog-sidebar__categories a:hover {
    color: var(--color-brand-blue);
}

.blog-sidebar__categories .count {
    font-size: 12px;
    color: var(--color-gray-blue);
    background: var(--color-light-gray);
    padding: 2px 8px;
    border-radius: 12px;
}

/* Blog CTA in Sidebar */
.blog-sidebar__cta {
    background: linear-gradient(135deg, #12294D 0%, #1A4578 50%, #2470C2 100%);
    border-radius: var(--radius-lg);
    padding: 28px;
    color: var(--color-white);
    text-align: center;
}

.blog-sidebar__cta-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.blog-sidebar__cta-text {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 16px;
    line-height: 1.6;
}

/* Blog Main Content */
.blog-main {
    min-width: 0;
}

.blog-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.blog-list .news-card {
    display: grid;
    grid-template-columns: 280px 1fr;
}

.blog-list .news-card__image-wrap {
    aspect-ratio: auto;
    height: 100%;
    min-height: 200px;
}

.blog-list .news-card__body {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* ----------------------------------------------------------
   17. ARTICLE DETAIL PAGE
   ---------------------------------------------------------- */
.article-detail {
    padding: 48px 0 64px;
}

.article-detail__layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    align-items: start;
}

.article-content {
    min-width: 0;
}

.article-content__header {
    margin-bottom: 32px;
}

.article-content__category {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-brand-blue);
    background: linear-gradient(135deg, rgba(36, 112, 194, 0.08), rgba(38, 166, 154, 0.06));
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 16px;
}

.article-content__title {
    font-size: 34px;
    font-weight: 800;
    color: var(--color-navy);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    line-height: 1.25;
}

.article-content__meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
    color: var(--color-gray-dark);
}

.article-content__meta svg {
    width: 16px;
    height: 16px;
    color: var(--color-gray-blue);
}

.article-content__featured-image {
    width: 100%;
    aspect-ratio: 21/9;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-light-gray);
    margin-bottom: 32px;
}

.article-content__featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-content__body {
    font-size: 16px;
    line-height: 1.85;
    color: var(--color-text-light);
}

.article-content__body h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--color-navy);
    margin: 40px 0 16px;
}

.article-content__body h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-navy);
    margin: 32px 0 12px;
}

.article-content__body p {
    margin-bottom: 20px;
}

.article-content__body ul, .article-content__body ol {
    margin-left: 24px;
    margin-bottom: 20px;
}

.article-content__body ul li, .article-content__body ol li {
    margin-bottom: 8px;
}

.article-content__body img {
    max-width: 100%;
    border-radius: var(--radius-md);
    margin: 24px 0;
}

.article-content__body blockquote {
    border-left: 4px solid var(--color-brand-blue);
    padding: 16px 24px;
    margin: 24px 0;
    background: var(--color-ice-blue-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
    color: var(--color-gray-dark);
}

/* Article CTA */
.article-cta {
    background: linear-gradient(135deg, #EEF4FF 0%, #F7FAFF 50%, #FFF9F0 100%);
    border-radius: var(--radius-lg);
    padding: 36px;
    margin-top: 40px;
    text-align: center;
    border: 1px solid var(--color-border);
}

.article-cta__title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 8px;
}

.article-cta__text {
    font-size: 14px;
    color: var(--color-gray-dark);
    margin-bottom: 20px;
}

/* ----------------------------------------------------------
   18. ABOUT PAGE
   ---------------------------------------------------------- */
.about-intro {
    padding: var(--section-padding);
}

.about-intro__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-intro__image {
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-light-gray);
}

.about-intro__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-intro__content {
    text-align: center;
}

.about-intro__content h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-navy);
    line-height: 1.25;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.about-intro__content p {
    font-size: 16px;
    color: var(--color-text-light);
    line-height: 1.75;
    margin-bottom: 16px;
}

/* Stats */
.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 32px;
}

.about-stat {
    text-align: center;
    padding: 26px 20px;
    background: linear-gradient(180deg, #FFFFFF 0%, #F4F8FA 100%);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.about-stat:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-brand-blue-light);
}

.about-stat__number {
    font-size: 36px;
    font-weight: 800;
    color: var(--color-brand-blue);
    margin-bottom: 4px;
    display: block;
}

.count-up {
    display: inline-block;
    width: 110px;
    text-align: center;
    font-variant-numeric: tabular-nums;
    will-change: transform;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.about-stat__label {
    font-size: 13px;
    color: var(--color-gray-dark);
}

/* Timeline / Process */
.process-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.process-item {
    text-align: center;
    position: relative;
}

.process-item__number {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--color-brand-blue), var(--color-accent-teal));
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin: 0 auto 16px;
    box-shadow: 0 4px 14px rgba(36, 112, 194, 0.3);
    transition: transform var(--transition-base);
}

.process-item:hover .process-item__number {
    transform: scale(1.1);
}

.process-item__title {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 8px;
}

.process-item__desc {
    font-size: 14px;
    color: var(--color-gray-dark);
    line-height: 1.6;
}

/* Certificates Display */
.cert-display {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    margin-top: 24px;
}

.cert-display__item {
    background: var(--gradient-card);
    border-radius: var(--radius-md);
    padding: 24px 16px;
    text-align: center;
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.cert-display__item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    border-color: var(--color-brand-blue-light);
}

.cert-display__icon {
    font-size: 40px;
    margin-bottom: 12px;
}

.cert-display__name {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-navy);
}

/* Certification Showcase Cards (About Page) */
.cert-cards-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    margin-top: 8px;
}

.cert-showcase-card {
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    padding: 36px 24px 28px;
    text-align: center;
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cert-showcase-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-brand-blue), var(--color-accent-teal));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.cert-showcase-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.cert-showcase-card:hover::before {
    transform: scaleX(1);
}

.cert-showcase-card__badge {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(36, 112, 194, 0.1), rgba(38, 166, 154, 0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.cert-showcase-card__badge svg {
    width: 30px;
    height: 30px;
    color: var(--color-brand-blue);
    transition: all var(--transition-base);
}

.cert-showcase-card:hover .cert-showcase-card__badge {
    background: linear-gradient(135deg, var(--color-brand-blue), var(--color-accent-teal));
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(36, 112, 194, 0.3);
}

.cert-showcase-card:hover .cert-showcase-card__badge svg {
    color: var(--color-white);
}

.cert-showcase-card__title {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 10px;
    line-height: 1.3;
}

.cert-showcase-card__desc {
    font-size: 13px;
    color: var(--color-gray-dark);
    line-height: 1.65;
}

@media (max-width: 1280px) {
    .cert-cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1024px) {
    .cert-cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .cert-cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .cert-showcase-card {
        padding: 28px 18px 24px;
    }
    .cert-showcase-card__badge {
        width: 56px;
        height: 56px;
    }
    .cert-showcase-card__badge svg {
        width: 26px;
        height: 26px;
    }
}

@media (max-width: 480px) {
    .cert-cards-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
}

/* ----------------------------------------------------------
   19. CONTACT PAGE
   ---------------------------------------------------------- */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding: 48px 0 64px;
}

.contact-info h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-navy);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.contact-info > p {
    font-size: 15px;
    color: var(--color-gray-dark);
    margin-bottom: 32px;
    line-height: 1.7;
}

.contact-info__list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 32px;
}

.contact-info__item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-info__item-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    background: var(--color-ice-blue);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-info__item-icon svg {
    width: 22px;
    height: 22px;
    color: var(--color-brand-blue);
}

.contact-info__item-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-gray-blue);
    margin-bottom: 4px;
}

.contact-info__item-value {
    font-size: 15px;
    color: var(--color-navy);
    font-weight: 500;
    line-height: 1.5;
}

.contact-info__item-value a:hover {
    color: var(--color-brand-blue);
}

/* Social / Quick Contact */
.contact-social {
    display: flex;
    gap: 12px;
}

.contact-social__btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--color-ice-blue), rgba(36, 112, 194, 0.08));
    color: var(--color-navy);
    transition: all var(--transition-base);
}

.contact-social__btn:hover {
    background: linear-gradient(135deg, var(--color-brand-blue), var(--color-brand-blue-light));
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(36, 112, 194, 0.25);
}

.contact-social__btn svg {
    width: 18px;
    height: 18px;
}

/* Contact Form */
.contact-form-wrap {
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.contact-form-wrap h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 8px;
}

.contact-form-wrap > p {
    font-size: 14px;
    color: var(--color-gray-dark);
    margin-bottom: 24px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-navy);
}

.form-group label .required {
    color: #DC2626;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 14px;
    font-size: 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    background: var(--color-white);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-brand-blue);
    box-shadow: 0 0 0 3px rgba(36, 112, 194, 0.1);
    background: #FAFCFE;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-blue);
}

/* Map Placeholder */
.contact-map {
    width: 100%;
    height: 360px;
    background: var(--color-light-gray);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border-light);
    margin-top: 48px;
    color: var(--color-gray-blue);
    font-size: 14px;
}

/* ----------------------------------------------------------
   20. FOOTER
   ---------------------------------------------------------- */
.site-footer {
    background: linear-gradient(180deg, #F4F7FA 0%, #EDF2F7 100%);
    color: var(--color-text-light);
    padding: 60px 0 0;
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 3fr 2fr 2fr 2fr;
    gap: 48px;
    padding-bottom: 44px;
    border-bottom: 1px solid var(--color-border);
    align-items: start;
}

/* About / Logo column — centered within the leftmost column */
.site-footer__col-about {
    text-align: center;
}

/* Right three columns — left align */
.site-footer__col {
    text-align: left;
}

/* Large standalone logo in footer (home page) */
.site-footer__logo-main {
    width: 190px;
    height: auto;
    object-fit: contain;
    display: block;
    margin: 0 auto 18px;
}

/* Company intro text under logo — left aligned, two lines */
.site-footer__about-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text-light);
    max-width: 660px;
}

/* About column paragraph (other pages) */
.site-footer__col-about p {
    font-size: 15px;
    line-height: 1.7;
    margin-top: 14px;
    max-width: 660px;
}

/* Logo + text block (other pages) */
.site-footer__logo {
    font-size: 26px;
    font-weight: 700;
    color: var(--color-navy);
    letter-spacing: 1px;
    line-height: 1.2;
    text-align: center;
}

.site-footer__logo-image {
    width: 68px;
    height: 68px;
    object-fit: contain;
    flex-shrink: 0;
}

.site-footer__title {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.site-footer__links {
    list-style: none;
}

.site-footer__links li {
    margin-bottom: 10px;
}

.site-footer__links a {
    font-size: 14px;
    color: var(--color-gray-dark);
    text-decoration: none;
    transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.site-footer__links a:hover {
    color: var(--color-brand-blue);
}

.site-footer__contact-item {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 14px;
    line-height: 1.5;
    align-items: flex-start;
    color: var(--color-gray-dark);
}

.site-footer__contact-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 3px;
    color: var(--color-brand-blue);
}

/* Footer Social Icons */
.site-footer__social {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 0;
    border: none;
}

/* Inside Contact column — add top separator */
.site-footer__col .site-footer__social {
    margin-top: 18px;
    padding: 18px 0 0;
    border-top: 1px solid var(--color-border);
}

.site-footer__social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-white);
    color: var(--color-gray-blue);
    box-shadow: var(--shadow-sm);
    transition: background var(--transition-fast),
                color var(--transition-fast),
                transform var(--transition-fast),
                box-shadow var(--transition-fast);
}

.site-footer__social a:hover {
    background: var(--color-brand-blue);
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.site-footer__social a svg {
    width: 16px;
    height: 16px;
}

/* Top Bar Social */
.top-info-bar__social {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.top-info-bar__social a {
    display: inline-flex;
    align-items: center;
    color: var(--color-gray-dark);
    transition: color var(--transition-fast);
}

.top-info-bar__social a:hover {
    color: var(--color-brand-blue);
}

.top-info-bar__social a svg {
    width: 15px;
    height: 15px;
}

.site-footer__bottom {
    padding: 22px 0 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    color: var(--color-gray-blue);
}

.site-footer__bottom-links {
    display: flex;
    gap: 24px;
}

.site-footer__bottom-links a {
    color: var(--color-gray-blue);
}

.site-footer__bottom-links a:hover {
    color: var(--color-brand-blue);
}

/* ----------------------------------------------------------
   21. UTILITY CLASSES
   ---------------------------------------------------------- */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-0 { margin-top: 0; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-0 { margin-bottom: 0; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.hidden { display: none; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ----------------------------------------------------------
   22. RESPONSIVE - 1280px (Laptop)
   ---------------------------------------------------------- */
@media (max-width: 1280px) {
    .container {
        max-width: 1100px;
    }

    .hero__title {
        font-size: 52px;
    }

    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .category-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

    .products-layout {
        grid-template-columns: 260px 1fr;
        gap: 24px;
    }

    .blog-layout {
        grid-template-columns: 1fr 280px;
        gap: 32px;
    }

    .article-detail__layout {
        grid-template-columns: 1fr 280px;
        gap: 32px;
    }

    .blog-list .news-card {
        grid-template-columns: 220px 1fr;
    }

    .contact-layout {
        gap: 36px;
    }
}

/* ----------------------------------------------------------
   23. RESPONSIVE - 1024px (Tablet)
   ---------------------------------------------------------- */
@media (max-width: 1024px) {
    .section-title {
        font-size: 30px;
    }

    .section-title--lg {
        font-size: 36px;
    }

    /* Navigation */
    .main-nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 300px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        padding: 80px 24px 24px;
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-base);
        z-index: 999;
        overflow-y: auto;
    }

    .main-nav--open {
        left: 0;
    }

    .main-nav__list {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }

    .main-nav__link {
        padding: 14px 12px;
        font-size: 16px;
    }

    .main-nav__link--active::after {
        display: none;
    }

    .main-nav__link--active {
        background: var(--color-ice-blue);
        border-radius: var(--radius-sm);
    }

    .mobile-menu-toggle {
        display: flex;
    }

    /* Mobile overlay */
    .mobile-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(11, 30, 61, 0.5);
        z-index: 998;
    }

    .mobile-overlay--open {
        display: block;
    }

    /* Hero */
    .hero {
        background-position: center right 28%;
        min-height: 600px;
    }

    .hero__title {
        font-size: 46px;
    }

    .hero__highlights {
        width: 100%;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        margin-top: 44px;
    }

    .hero__highlight {
        padding: 16px;
        align-items: flex-start;
    }

    /* Products Layout */
    .products-layout {
        grid-template-columns: 1fr;
    }

    .product-sidebar {
        position: static;
        display: none;
    }

    .product-sidebar--open {
        display: block;
    }

    .category-menu {
        margin-bottom: 16px;
    }

    /* Mobile filter toggle */
    .mobile-filter-toggle {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 18px;
        font-size: 14px;
        font-weight: 600;
        color: var(--color-navy);
        background: var(--color-white);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-sm);
        cursor: pointer;
        margin-bottom: 16px;
    }

    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    /* Blog */
    .blog-layout {
        grid-template-columns: 1fr;
    }

    .blog-sidebar {
        position: static;
    }

    .blog-list .news-card {
        grid-template-columns: 200px 1fr;
    }

    .article-detail__layout {
        grid-template-columns: 1fr;
    }

    /* About */
    .about-intro__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .about-intro__image {
        aspect-ratio: 16/9;
        max-height: 360px;
    }

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

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

    .cert-display {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Contact */
    .contact-layout {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .site-footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

/* ----------------------------------------------------------
   24. RESPONSIVE - 768px (Small Tablet / Large Phone)
   ---------------------------------------------------------- */
@media (max-width: 768px) {
    .section-title {
        font-size: 26px;
    }

    .section-title--lg {
        font-size: 30px;
    }

    /* Top Bar */
    .top-info-bar {
        display: none;
    }

    .products-page-shell {
        padding-top: 22px;
    }

    /* Hero */
    .hero {
        padding: 72px 0 64px;
        min-height: 620px;
        background:
            linear-gradient(90deg, rgba(4, 25, 55, 0.94) 0%, rgba(6, 42, 86, 0.86) 48%, rgba(6, 42, 86, 0.46) 100%),
            url("../images/home-banner-port.webp") center right 32% / cover no-repeat;
    }

    .hero__title {
        font-size: 38px;
    }

    .hero__subtitle {
        font-size: 15px;
        max-width: 100%;
    }

    .hero__actions {
        flex-direction: column;
    }

    .hero__actions .btn {
        width: 100%;
    }

    .hero__highlights {
        grid-template-columns: 1fr;
        margin-top: 36px;
    }

    .hero__highlight {
        padding: 14px 16px;
    }

    /* Page Banner */
    .page-banner .container {
        flex-direction: column;
        text-align: center;
    }

    .page-banner__title {
        font-size: 28px;
    }

    .page-banner__image {
        width: 100%;
        height: 140px;
    }

    /* Product Grid */
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .category-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

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

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

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

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

    /* Product Detail */
    .product-detail__main {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .product-info__name {
        font-size: 26px;
    }

    .product-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .product-tabs__btn {
        white-space: nowrap;
        padding: 12px 16px;
        font-size: 14px;
    }

    /* Blog */
    .blog-list .news-card {
        grid-template-columns: 1fr;
    }

    .blog-list .news-card__image-wrap {
        min-height: 180px;
    }

    .article-content__title {
        font-size: 26px;
    }

    /* About */
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-list {
        grid-template-columns: 1fr;
    }

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

    /* Contact */
    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form-wrap {
        padding: 24px;
    }

    /* Footer */
    .site-footer__grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .site-footer__bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ----------------------------------------------------------
   25. RESPONSIVE - 480px (Mobile)
   ---------------------------------------------------------- */
@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .site-header .container {
        height: 60px;
    }

    .site-logo__text {
        font-size: 17px;
    }

    .site-logo__text small {
        font-size: 9px;
    }

    .header-actions .btn {
        display: none;
    }

    .hero__title {
        font-size: 31px;
    }

    .hero {
        padding: 58px 0 52px;
        min-height: 590px;
        background-position: center right 38%;
    }

    .hero__label {
        font-size: 11px;
        letter-spacing: 1px;
        padding: 8px 14px;
        margin-bottom: 18px;
    }

    .hero__subtitle {
        margin-bottom: 28px;
    }

    .hero__highlight-icon {
        width: 42px;
        height: 42px;
    }

    .product-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .category-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .category-card {
        padding: 0 0 16px;
    }

    .category-card__icon {
        width: 48px;
        height: 48px;
    }

    .product-info__name {
        font-size: 22px;
    }

    .product-specs td:first-child {
        width: 120px;
        font-size: 13px;
    }

    .product-specs td:last-child {
        font-size: 13px;
    }

    .article-content__title {
        font-size: 22px;
    }

    .article-content__body h2 {
        font-size: 22px;
    }

    .cta-section__title {
        font-size: 26px;
    }

    .contact-info h2 {
        font-size: 26px;
    }

    .page-banner__title {
        font-size: 24px;
    }

    .pagination__item {
        width: 36px;
        height: 36px;
        font-size: 13px;
    }

    .about-stat__number {
        font-size: 24px;
    }

    .count-up {
        width: 80px;
    }

    .cert-display {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
}

/* ----------------------------------------------------------
   26. ANIMATIONS
   ---------------------------------------------------------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(36px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes subtleFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.animate-in {
    animation: fadeInUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.animate-in--delay-1 { animation-delay: 0.1s; }
.animate-in--delay-2 { animation-delay: 0.2s; }
.animate-in--delay-3 { animation-delay: 0.3s; }
.animate-in--delay-4 { animation-delay: 0.4s; }

/* Scroll animation trigger */
.scroll-animate {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Staggered animation delay for about-stat cards */
.animate-stat--delay1 { transition-delay: 0s; }
.animate-stat--delay2 { transition-delay: 0.12s; }
.animate-stat--delay3 { transition-delay: 0.24s; }
.animate-stat--delay4 { transition-delay: 0.36s; }

/* Staggered animation delay for advantage cards (6 cards, 3x2 grid) */
.animate-adv--delay1 { transition-delay: 0s; }
.animate-adv--delay2 { transition-delay: 0.08s; }
.animate-adv--delay3 { transition-delay: 0.16s; }
.animate-adv--delay4 { transition-delay: 0.24s; }
.animate-adv--delay5 { transition-delay: 0.32s; }
.animate-adv--delay6 { transition-delay: 0.40s; }

/* Staggered animation delay for market cards (3 cards, single row) */
.animate-market--delay1 { transition-delay: 0s; }
.animate-market--delay2 { transition-delay: 0.1s; }
.animate-market--delay3 { transition-delay: 0.2s; }

/* Count-up number pop animation */
@keyframes countPop {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.12); }
    100% { transform: scale(1); }
}

.count-up.counted {
    animation: countPop 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    /* Ensure pop stays within its own layer */
    transform-origin: center center;
}

/* Enhanced about-stat entrance */
.about-stat.scroll-animate {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.65s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.28s ease;
    /* Prevent layout jitter without breaking child background-clip */
    will-change: transform, opacity;
    backface-visibility: hidden;
}

.about-stat.scroll-animate--visible {
    opacity: 1;
    transform: translateY(0);
}

.about-stat.scroll-animate--visible:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* ----------------------------------------------------------
   26. FAQ SECTION
   ---------------------------------------------------------- */
.faq-categories {
    display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px;
}
.faq-cat-btn {
    padding: 10px 20px; font-size: 14px; font-weight: 600; color: var(--color-navy);
    background: var(--color-white); border: 1px solid var(--color-border); border-radius: 30px;
    cursor: pointer; transition: all var(--transition-fast);
}
.faq-cat-btn:hover { border-color: var(--color-brand-blue); color: var(--color-brand-blue); }
.faq-cat-btn--active { background: var(--color-brand-blue); color: var(--color-white); border-color: var(--color-brand-blue); }

.faq-list { max-width: 860px; }
.faq-item {
    background: var(--color-white); border: 1px solid var(--color-border-light); border-radius: var(--radius-md);
    margin-bottom: 12px; overflow: hidden; transition: all var(--transition-fast);
}
.faq-item:hover { border-color: var(--color-brand-blue-light); }
.faq-question {
    width: 100%; display: flex; align-items: center; justify-content: space-between;
    padding: 20px 24px; font-size: 16px; font-weight: 600; color: var(--color-navy);
    text-align: left; cursor: pointer; gap: 16px;
}
.faq-question:hover { color: var(--color-brand-blue); }
.faq-question__arrow {
    width: 20px; height: 20px; flex-shrink: 0; transition: transform var(--transition-base);
    color: var(--color-gray-blue);
}
.faq-item--open .faq-question__arrow { transform: rotate(180deg); }
.faq-answer {
    max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item--open .faq-answer { max-height: 600px; }
.faq-answer__inner { padding: 0 24px 20px; font-size: 15px; color: var(--color-text-light); line-height: 1.8; }

.faq-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    align-items: start;
}

.faq-sidebar-cta {
    background: linear-gradient(135deg, var(--color-ice-blue-light), var(--color-ice-blue));
    border-radius: var(--radius-lg); padding: 28px; border: 1px solid var(--color-border);
    position: sticky; top: 90px;
}
.faq-sidebar-cta h4 { font-size: 18px; font-weight: 700; color: var(--color-navy); margin-bottom: 8px; }
.faq-sidebar-cta p { font-size: 14px; color: var(--color-gray-dark); margin-bottom: 20px; line-height: 1.6; }

@media (max-width: 768px) {
    .faq-layout {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .faq-sidebar-cta { position: static; margin-top: 32px; }
}