/* Industrial Premium UI refresh — one override layer for all public pages. */

:root {
    --color-primary: #1b4d7a;
    --color-primary-dark: #0d2f4f;
    --color-primary-light: #2b6b9f;
    --color-secondary: #e8651a;
    --color-secondary-dark: #c84f0d;
    --color-accent: #00a4c7;
    --color-success: #168a61;
    --color-bg: #ffffff;
    --color-bg-alt: #f3f6f8;
    --color-bg-soft: #eaf1f5;
    --color-bg-dark: #0b2238;
    --color-text: #172536;
    --color-text-secondary: #607286;
    --color-text-muted: #8a99a9;
    --color-text-light: #ffffff;
    --color-border: #d9e2e8;
    --font-heading: "Be Vietnam Pro", sans-serif;
    --font-body: "Inter", sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 18px;
    --shadow-sm: 0 3px 12px rgba(13, 47, 79, 0.06);
    --shadow-md: 0 12px 32px rgba(13, 47, 79, 0.10);
    --shadow-lg: 0 20px 48px rgba(13, 47, 79, 0.14);
    --gradient-primary: linear-gradient(135deg, #1b4d7a, #0d2f4f);
    --gradient-hero: linear-gradient(125deg, #0b2238 0%, #123d63 58%, #1b5d88 100%);
}

html { max-width: 100%; overflow-x: clip; scroll-behavior: smooth; }
body { max-width: 100%; overflow-x: clip; background: var(--color-bg); color: var(--color-text); font-family: var(--font-body); -webkit-font-smoothing: antialiased; }
body, button, input, select, textarea { font-family: var(--font-body); }
h1, h2, h3, h4, h5, h6, .section__title, .hero__title { color: var(--color-text); font-family: var(--font-heading); letter-spacing: -0.025em; }
:focus-visible { outline: 3px solid rgba(0, 164, 199, 0.38); outline-offset: 3px; }
img { max-width: 100%; }
.container { width: min(1180px, calc(100% - 40px)); }
.section { padding: clamp(64px, 7vw, 96px) 0; }
.section--alt { background: var(--color-bg-alt); }
.section__header { width: 100%; max-width: 760px; margin: 0 0 38px; text-align: left; }
.section__header::before { content: "ĐẠI VIỆT TIẾN"; display: block; margin-bottom: 10px; color: var(--color-secondary); font-size: 12px; font-weight: 800; letter-spacing: .16em; }
.section__title { margin-bottom: 12px; font-size: clamp(30px, 4vw, 46px); line-height: 1.1; }
.section__title::after { content: ""; display: block; width: 52px; height: 3px; margin-top: 14px; background: var(--color-secondary); border-radius: 2px; }
.section__subtitle { max-width: 660px; margin: 0; color: var(--color-text-secondary); font-size: 16px; line-height: 1.75; }

/* Hero title — Be Vietnam Pro refinements */
.hero__title {
    font-family: var(--font-heading);
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 1.08;
    text-shadow: 0 2px 24px rgba(0, 0, 0, 0.18);
}
.hero__title-line,
.hero__title-highlight,
.hero__title-phrase {
    display: block;
}
.hero__title-phrase {
    width: fit-content;
    max-width: 100%;
    white-space: nowrap;
}
.hero__title-highlight {
    background: linear-gradient(135deg, #ff8a3d 0%, #e8651a 50%, #ff6b2b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 8px rgba(232, 101, 26, 0.3));
}

/* Header */
.header { background: rgba(10, 33, 54, .98); border-bottom: 1px solid rgba(255,255,255,.08); box-shadow: 0 6px 22px rgba(4,18,31,.18); backdrop-filter: blur(14px); }
.header__inner { width: min(1340px, calc(100% - 32px)); }
.header__logo { min-width: 250px; flex-shrink: 0; }
.header__logo img { border: 2px solid rgba(255,255,255,.65); box-shadow: 0 3px 12px rgba(0,0,0,.24); }
.header__logo-name { color: #fff; font-family: var(--font-heading); font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.header__logo-tagline { color: rgba(255,255,255,.72); }
.nav { gap: 2px; flex-shrink: 1; min-width: 0; }
.nav__link { position: relative; padding: 12px 10px; border-radius: var(--radius-sm); color: rgba(255,255,255,.72); font-size: 14px; font-weight: 650; white-space: nowrap; }
.nav__link::after { content: ""; position: absolute; right: 12px; bottom: 5px; left: 12px; height: 2px; background: var(--color-secondary); border-radius: 2px; transform: scaleX(0); transition: transform 180ms ease; }
.nav__link:hover, .nav__link.active { background: rgba(255,255,255,.08); color: #fff; }
.nav__link:hover::after, .nav__link.active::after { transform: scaleX(1); }
.header__actions { gap: 10px; flex-shrink: 0; }
.header__search { overflow: hidden; border: 1px solid rgba(255,255,255,.14); border-radius: 10px; background: rgba(255,255,255,.08); max-width: 160px; }
.header__search-input { color: #fff; width: 100%; min-width: 0; }
.header__search-input::placeholder { color: rgba(255,255,255,.52); }
.header__search-btn { color: rgba(255,255,255,.75); }
.header__hotline { min-height: 44px; padding: 0 17px; border: 1px solid rgba(255,255,255,.15); border-radius: 10px; background: var(--color-secondary); box-shadow: 0 8px 22px rgba(232,101,26,.24); font-weight: 750; white-space: nowrap; }
.header__hotline:hover { background: #f0742c; box-shadow: 0 10px 26px rgba(232,101,26,.32); transform: translateY(-1px); }
.header__menu-toggle { width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.18); border-radius: 10px; color: #fff; }

/* Buttons and forms */
.btn { min-height: 46px; padding: 0 20px; border-radius: 10px; font-weight: 750; letter-spacing: 0; box-shadow: none; }
.btn::before { display: none; }
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--gradient-primary); border-color: transparent; box-shadow: 0 9px 24px rgba(27,77,122,.2); }
.btn--secondary { background: var(--color-secondary); border-color: var(--color-secondary); box-shadow: 0 9px 24px rgba(232,101,26,.22); }
.btn--ghost { border: 1px solid rgba(255,255,255,.48); background: rgba(255,255,255,.06); color: #fff; }
.btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,.14); color: #fff; }
.form-input, .form-select, .form-textarea { border: 1px solid var(--color-border); border-radius: 10px; background: #fbfcfd; color: var(--color-text); }
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--color-primary-light); background: #fff; box-shadow: 0 0 0 4px rgba(27,77,122,.1); }

/* Page hero */
.page-hero, .about-hero { min-height: 360px; padding: calc(var(--header-height) + 86px) 0 76px; overflow: hidden; background: var(--gradient-hero); text-align: left; }
.page-hero::after, .about-hero::after { content: ""; position: absolute; top: 0; right: -100px; width: 52%; height: 100%; background: linear-gradient(120deg, transparent 30%, rgba(0,164,199,.1)), repeating-linear-gradient(135deg, transparent 0 24px, rgba(255,255,255,.035) 24px 25px); transform: skewX(-8deg); pointer-events: none; }
.page-hero .container, .about-hero .container { position: relative; z-index: 2; }
.page-hero__breadcrumb, .about-hero__breadcrumb { justify-content: flex-start; margin-bottom: 20px; color: rgba(255,255,255,.67); }
.page-hero h1, .about-hero h1 { max-width: 760px; margin-bottom: 16px; color: #fff; font-size: clamp(38px, 6vw, 64px); line-height: 1.03; }
.page-hero p, .about-hero p { max-width: 650px; margin: 0; color: rgba(255,255,255,.76); font-size: 17px; line-height: 1.75; }

/* Home hero */
.hero { min-height: 740px; padding: calc(var(--header-height) + 72px) 0 76px; overflow: hidden; background: var(--gradient-hero); }
.hero__bg-pattern { opacity: .45; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 44px 44px; }
.hero__bg-grid { right: -5%; left: auto; width: 58%; mask-image: linear-gradient(90deg, transparent, #000 30%); }
.hero__content { width: min(1180px, calc(100% - 40px)); grid-template-columns: minmax(0,1.1fr) minmax(380px,.9fr); gap: clamp(48px,7vw,92px); }
.hero__label { width: fit-content; margin-bottom: 24px; padding: 9px 13px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; background: rgba(255,255,255,.08); color: rgba(255,255,255,.86); font-size: 12px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.hero__label-dot { background: #31d5b2; box-shadow: 0 0 0 5px rgba(49,213,178,.14); }
.hero__title { margin-bottom: 22px; color: #fff; font-size: clamp(48px,6.3vw,78px); line-height: 1.08; }
.hero__title-highlight { color: #ff863f; -webkit-text-fill-color: #ff863f; }
.hero__description { max-width: 650px; color: rgba(255,255,255,.74); font-size: 17px; line-height: 1.75; }
.hero__actions { gap: 12px; }
.hero__stats { width: fit-content; margin-top: 42px; padding: 18px 22px; gap: 0; border: 1px solid rgba(255,255,255,.11); border-radius: var(--radius-md); background: rgba(6,28,47,.44); backdrop-filter: blur(12px); }
.hero__stats > div { min-width: 125px; padding: 0 22px; border-right: 1px solid rgba(255,255,255,.12); }
.hero__stats > div:first-child { padding-left: 0; }
.hero__stats > div:last-child { padding-right: 0; border-right: 0; }
.hero__stat-number { color: #fff; font-family: var(--font-heading); font-size: 27px; }
.hero__stat-label { color: rgba(255,255,255,.6); font-size: 11px; }
.hero__image-container { padding: 10px; border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius-lg); background: rgba(255,255,255,.06); box-shadow: 0 34px 70px rgba(3,18,31,.34); transform: rotate(1.5deg); }
.hero__image-main { border-radius: 11px; filter: saturate(.9) contrast(1.04); }
.hero__image-glow { background: rgba(0,164,199,.24); }
.hero__float-badge { border: 1px solid rgba(27,77,122,.11); border-radius: 10px; background: rgba(255,255,255,.96); box-shadow: var(--shadow-md); color: var(--color-text); font-size: 12px; font-weight: 750; }

/* Shared cards */
.card, .feature-card, .value-card, .contact-card, .news-card, .related-card, .related-news-card, .article-card, .sidebar-widget, .contact-form-wrapper, .detail-panel, .detail-gallery__main, .product-sidebar__card, .product-content__head, .video-layout__main, .video-layout__list { border: 1px solid var(--color-border); border-radius: var(--radius-md); background: #fff; box-shadow: var(--shadow-sm); }
.feature-card:hover, .value-card:hover, .contact-card:hover, .news-card:hover, .related-news-card:hover { border-color: #b8c9d4; box-shadow: var(--shadow-md); transform: translateY(-4px); }
.features__grid { grid-template-columns: repeat(4,minmax(0,1fr)); gap: 18px; }
.feature-card { position: relative; padding: 28px 24px; overflow: hidden; text-align: left; }
.feature-card::after { content: ""; position: absolute; top: 0; right: 0; left: 0; height: 3px; background: linear-gradient(90deg,var(--color-primary),var(--color-accent)); }
.feature-card__icon, .value-card__icon, .contact-card__icon { width: 52px; height: 52px; margin: 0 0 20px; border-radius: 12px; background: var(--color-bg-soft); color: var(--color-primary); }
.feature-card__title { color: var(--color-text); font-size: 18px; }
.feature-card__text { color: var(--color-text-secondary); line-height: 1.7; }
.categories__grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.category-card { width: 100%; min-width: 0; min-height: 0; grid-column: auto; overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.category-card__image { transition: transform 500ms ease; }
.category-card:hover .category-card__image { transform: scale(1.045); }
.category-card__overlay { padding: 28px; background: linear-gradient(180deg,transparent 28%,rgba(5,24,40,.92) 100%); }
.category-card__count { color: rgba(255,255,255,.67); }
.category-card__arrow { border-radius: 10px; background: var(--color-secondary); }
.faq-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); align-items: start; gap: 16px; }
.faq-item { overflow: hidden; border: 1px solid var(--color-border); border-radius: 10px; background: #fff; box-shadow: var(--shadow-sm); }
.faq-item__question { min-height: 64px; padding: 18px 20px; color: var(--color-text); }
.faq-item__answer { color: var(--color-text-secondary); line-height: 1.75; }

/* Products — layout */
.products-layout { display: grid; grid-template-columns: 360px minmax(0,1fr); align-items: start; gap: 28px; }
.product-sidebar { position: sticky; top: calc(var(--header-height) + 24px); }
.product-sidebar__card {
    overflow-x: hidden; overflow-y: auto;
    background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(246,249,253,0.98));
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 24px;
    box-shadow: var(--shadow-md);
    max-height: calc(100vh - var(--header-height) - 48px);
    scrollbar-gutter: stable;
}
.product-sidebar__card::-webkit-scrollbar { width: 8px; }
.product-sidebar__card::-webkit-scrollbar-thumb { background: rgba(27,77,122,.24); border-radius: 999px; }
.product-sidebar__card::-webkit-scrollbar-track { background: transparent; }
.product-filter { border-radius: 8px; }

/* Products — filter head */
.product-filter__head {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 16px; padding-bottom: 20px; margin-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}
.product-filter__eyebrow {
    display: inline-block; margin-bottom: 8px;
    font-size: 11px; font-weight: 700; letter-spacing: .16em;
    text-transform: uppercase; color: var(--color-secondary);
}
.product-filter__title { margin: 0; font-size: 20px; color: var(--color-text); font-family: var(--font-heading); font-weight: 700; }
.product-filter__reset {
    border: 1px solid rgba(27,77,122,.15); background: rgba(27,77,122,.06);
    color: var(--color-primary); padding: 10px 14px; min-width: 104px;
    border-radius: 999px; cursor: pointer; font-weight: 700;
    white-space: nowrap; transition: all 180ms ease;
}
.product-filter__reset.active,
.product-filter__reset:hover {
    background: var(--gradient-primary); color: #fff; border-color: transparent;
}

/* Products — filter groups container */
.product-filter__groups { display: flex; flex-direction: column; gap: 12px; }

/* Products — mobile toggle (hidden on desktop) */
.product-filter__mobile-toggle {
    display: none; width: 100%; min-height: 48px;
    align-items: center; justify-content: space-between; gap: 12px;
    margin-bottom: 12px; padding: 12px 14px;
    border: 1px solid rgba(27,77,122,.16); border-radius: 14px;
    background: rgba(27,77,122,.06); color: var(--color-primary);
    font-weight: 700; text-align: left; cursor: pointer;
}
.product-filter__mobile-toggle i { flex-shrink: 0; transition: transform 180ms ease; }
.product-filter.is-expanded .product-filter__mobile-toggle i { transform: rotate(180deg); }

/* Products — filter group card */
.filter-group {
    border: 1px solid var(--color-border); border-radius: 18px;
    background: #fff; overflow: hidden;
    transition: box-shadow 180ms ease, border-color 180ms ease;
}
.filter-group:hover { border-color: rgba(27,77,122,.2); box-shadow: var(--shadow-sm); }
.filter-group.is-open { border-color: rgba(27,77,122,.24); box-shadow: 0 10px 28px rgba(15,55,91,.08); }

.filter-group__header { display: flex; align-items: center; gap: 8px; padding: 8px; }
.filter-group__toggle {
    width: 44px; height: 44px; border: none; border-radius: 12px;
    background: rgba(27,77,122,.08); color: var(--color-primary);
    cursor: pointer; flex-shrink: 0; transition: all 180ms ease;
    display: grid; place-items: center;
}
.filter-group__toggle:hover { background: rgba(27,77,122,.14); }
.filter-group__toggle i { transition: transform 180ms ease; }
.filter-group.is-open .filter-group__toggle i { transform: rotate(90deg); }

/* Products — collapsible children */
.filter-group__children {
    display: grid; gap: 8px;
    max-height: 0; overflow: hidden; opacity: 0;
    pointer-events: none; padding: 0 8px;
    transform: translateY(-6px);
    transition:
        max-height .34s cubic-bezier(.22,1,.36,1),
        opacity .2s ease,
        transform .26s ease,
        padding-bottom .26s ease;
}
.filter-group.is-open .filter-group__children {
    max-height: var(--filter-children-height, 1200px);
    padding: 0 8px 8px; overflow: hidden;
    opacity: 1; pointer-events: auto; transform: translateY(0);
}

/* Products — filter buttons */
.filter-item {
    width: 100%; border: none; background: transparent;
    color: var(--color-text); text-align: left;
    padding: 12px 14px; border-radius: 14px;
    cursor: pointer; font-weight: 600; transition: all 180ms ease;
}
.filter-item:hover { background: rgba(27,77,122,.08); color: var(--color-primary); }
.filter-item.active { background: var(--gradient-primary); color: #fff; box-shadow: var(--shadow-sm); }

.filter-item--parent { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.filter-item__name { flex: 1 1 0%; min-width: 0; }
.filter-item__hint {
    flex-shrink: 0; color: var(--color-primary);
    font-size: 11px; font-weight: 700;
    opacity: 0; transform: translateX(-4px);
    transition: opacity 180ms ease, transform 180ms ease;
}
.filter-item--parent:hover .filter-item__hint,
.filter-item--parent:focus-visible .filter-item__hint,
.filter-item--parent.active .filter-item__hint { opacity: 1; transform: translateX(0); }
.filter-item--parent.active .filter-item__hint { color: #fff; }

.filter-item--child {
    font-size: 14px; padding-left: 18px;
    color: var(--color-text-secondary); position: relative;
}
.filter-item--child::before {
    content: ''; position: absolute; left: 6px; top: 50%;
    width: 6px; height: 6px; border-radius: 50%;
    background: rgba(27,77,122,.25); transform: translateY(-50%);
}

.filter-group__view-all {
    display: flex; align-items: center; justify-content: center;
    gap: 8px; min-height: 44px; margin-top: 2px;
    border: 1px dashed rgba(27,77,122,.28);
    background: rgba(27,77,122,.05); color: var(--color-primary);
    font-size: 14px; font-weight: 700;
}
.filter-group__view-all:hover { border-style: solid; background: rgba(27,77,122,.1); }

/* Products — content head & grid */
.product-content { scroll-margin-top: calc(var(--header-height) + 16px); }
.product-content__head { margin-bottom: 26px; padding: 26px 28px; }
.product-content__eyebrow { color: var(--color-secondary); font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.product-content__title { color: var(--color-text); font-size: clamp(28px,4vw,40px); }
.product-content__summary, .product-content__meta-label { color: var(--color-text-secondary); }
.product-content__meta-count { color: var(--color-primary); }
.products-grid { gap: 20px; }
.product-card { overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: #fff; box-shadow: var(--shadow-sm); }
.product-card:hover { border-color: #b8c9d4; box-shadow: var(--shadow-md); transform: translateY(-4px); }

/* About page */
.story { gap: clamp(42px,7vw,84px); }
.story__image, .gallery__item { overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-md); }
.story__image-badge { border-radius: 10px; background: var(--color-secondary); box-shadow: var(--shadow-md); }
.values__grid { gap: 20px; }
.value-card { padding: 28px; text-align: left; }
.stats-bar { background: var(--gradient-primary); }
.stats-bar__number { color: #fff; font-family: var(--font-heading); }

/* ===== CONTACT PAGE — Quick Contact Bar ===== */
.quick-contact { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 36px; }
.quick-contact__item {
    position: relative; min-width: 0; padding: 28px 24px;
    border: none; border-radius: var(--radius-md);
    background: var(--gradient-hero);
    color: #fff; text-align: center;
    box-shadow: 0 12px 32px rgba(11,34,56,.22);
    transition: transform 250ms ease, box-shadow 250ms ease;
    overflow: hidden;
}
.quick-contact__item::before {
    content: ""; position: absolute; top: -30px; right: -30px;
    width: 100px; height: 100px; border-radius: 50%;
    background: rgba(0,164,199,.12);
    pointer-events: none;
}
.quick-contact__item:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(11,34,56,.28); }
.quick-contact__icon {
    display: flex; align-items: center; justify-content: center;
    width: 56px; height: 56px; margin: 0 auto 14px;
    border-radius: 14px;
    background: rgba(255,255,255,.12);
    color: var(--color-secondary);
    font-size: 24px;
    backdrop-filter: blur(6px);
}
.quick-contact__label { margin-bottom: 4px; color: rgba(255,255,255,.6); font-size: 13px; font-weight: 500; letter-spacing: .02em; }
.quick-contact__value { color: #fff; font-size: 17px; font-weight: 700; font-family: var(--font-heading); }
.quick-contact__value a { color: #fff; text-decoration: none; }
.quick-contact__value a:hover { text-decoration: underline; }

/* ===== CONTACT PAGE — Contact Layout ===== */
.contact-layout { display: grid; grid-template-columns: 1fr 1.25fr; gap: 32px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 16px; }

/* Contact Cards */
.contact-card {
    display: flex; gap: 18px; align-items: flex-start;
    padding: 24px; border: 1px solid var(--color-border);
    border-radius: var(--radius-md); background: #fff;
    box-shadow: var(--shadow-sm);
    transition: transform 250ms ease, box-shadow 250ms ease, border-color 250ms ease;
}
.contact-card:hover { transform: translateY(-3px); border-color: #b8c9d4; box-shadow: var(--shadow-md); }
.contact-card__icon {
    display: flex; align-items: center; justify-content: center;
    width: 54px; height: 54px; flex-shrink: 0;
    border-radius: 14px;
    background: var(--gradient-primary);
    color: #fff; font-size: 20px;
    box-shadow: 0 6px 18px rgba(27,77,122,.2);
}
.contact-card--secondary .contact-card__icon,
.contact-card:nth-child(2) .contact-card__icon,
.contact-card:nth-child(4) .contact-card__icon {
    background: linear-gradient(135deg, #e8651a, #ff8a3d);
    box-shadow: 0 6px 18px rgba(232,101,26,.2);
}
.contact-card__title { margin-bottom: 4px; color: var(--color-text); font-size: 17px; font-weight: 700; font-family: var(--font-heading); }
.contact-card__text { margin: 0; color: var(--color-text-secondary); font-size: 14px; line-height: 1.7; }
.contact-card__text a { color: var(--color-primary); font-weight: 600; transition: color 150ms ease; }
.contact-card__text a:hover { color: var(--color-secondary); }

/* Contact Form */
.contact-form-wrapper {
    padding: clamp(28px,4vw,40px);
    border: 1px solid var(--color-border);
    border-top: 4px solid var(--color-secondary);
    border-radius: var(--radius-md);
    background: #fff;
    box-shadow: var(--shadow-lg);
}
.contact-form-wrapper h2 { margin-bottom: 6px; color: var(--color-text); font-size: 22px; font-family: var(--font-heading); }
.contact-form-wrapper > p { margin-bottom: 24px; color: var(--color-text-secondary); font-size: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit-btn { width: 100%; min-height: 50px; margin-top: 8px; font-size: 15px; }

/* Map */
.map-section { margin-top: 40px; }
.map-section__wrapper { overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-md); }

/* ===== SERVICES PAGE — Overrides ===== */
.services-section { padding: clamp(56px,7vw,84px) 0 34px; background: #fff; }
.services-intro { display: grid; grid-template-columns: minmax(0,.85fr) minmax(320px,1.15fr); align-items: end; gap: 48px; margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--color-border); }
.services-intro__eyebrow, .process-eyebrow { display: block; margin-bottom: 8px; color: var(--color-secondary); font-size: 11px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.services-intro h2 { margin: 0; color: var(--color-text); font-size: clamp(28px,3.5vw,42px); line-height: 1.12; }
.services-intro p { margin: 0; color: var(--color-text-secondary); font-size: 15px; line-height: 1.75; }
.services-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; counter-reset: service; }
.service-card {
    --service-accent: var(--color-primary);
    position: relative; display: flex; flex-direction: column; min-width: 0;
    padding: 28px; overflow: hidden;
    border: 1px solid var(--color-border); border-radius: var(--radius-md);
    background: #fff;
    box-shadow: inset 4px 0 0 var(--service-accent), var(--shadow-sm);
    text-align: left; counter-increment: service;
    transition: border-color 200ms ease, box-shadow 200ms ease, transform 200ms ease;
}
.service-card--secondary { --service-accent: var(--color-secondary); }
.service-card::after { content: counter(service, decimal-leading-zero); position: absolute; top: 28px; right: 28px; color: #a0aeba; font: 800 12px/1 var(--font-heading); letter-spacing: .1em; }
.service-card:hover { transform: translateY(-4px); border-color: #b8c9d4; box-shadow: inset 4px 0 0 var(--service-accent), var(--shadow-md); }
.service-card__heading { display: flex; align-items: center; gap: 16px; min-height: 52px; margin-bottom: 18px; padding-right: 34px; }
.service-card__icon {
    display: flex; align-items: center; justify-content: center;
    width: 52px; height: 52px; flex: 0 0 52px; margin: 0;
    border: 1px solid rgba(27,77,122,.16); border-radius: 12px;
    background: var(--color-bg-soft); color: var(--service-accent); font-size: 21px;
    transition: transform 200ms ease;
}
.service-card:hover .service-card__icon { transform: translateY(-2px); }
.service-card--secondary .service-card__icon { border-color: rgba(232,101,26,.18); background: #fff1e8; }
.service-card h3 { margin: 0; color: var(--color-text); font-size: 19px; line-height: 1.3; }
.service-card > p { min-height: 50px; margin: 0; color: var(--color-text-secondary); font-size: 14px; line-height: 1.7; }
.service-card__features { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px 16px; margin: 22px 0; padding: 20px 0 0; border-top: 1px solid #e7edf1; }
.service-card__features li { display: flex; align-items: flex-start; gap: 8px; padding: 0; color: #526779; font-size: 12px; line-height: 1.5; }
.service-card__features li i { flex: 0 0 auto; margin-top: 4px; color: var(--service-accent); font-size: 9px; }
.service-card .btn {
    align-self: flex-start; width: auto; min-height: 0;
    margin-top: auto; padding: 10px 0 4px;
    background: none; border: none; border-radius: 0;
    box-shadow: none;
    color: var(--service-accent); font-size: 13px; font-weight: 800;
    letter-spacing: .04em; text-transform: uppercase;
    border-bottom: 2px solid transparent;
    transition: border-color 200ms ease, color 200ms ease;
}
.service-card .btn::after {
    content: '\2192'; display: inline-block;
    margin-left: 8px; font-size: 16px; line-height: 1;
    transition: transform 200ms ease;
}
.service-card .btn:hover {
    transform: none; box-shadow: none;
    border-bottom-color: var(--service-accent);
}
.service-card .btn:hover::after { transform: translateX(4px); }

/* Process */
.process-section { padding: clamp(56px,7vw,84px) 0; border-top: 1px solid var(--color-border); background: var(--color-bg-alt); }
.process-section .section__header {
    display: grid; max-width: none; width: 100%;
    grid-template-columns: minmax(0, .9fr) minmax(320px, 1.1fr);
    grid-template-areas: "eyebrow subtitle" "title subtitle";
    align-items: end; column-gap: 48px; row-gap: 8px;
    margin-bottom: 32px; text-align: left;
}
.process-section .section__header::before { display: none; }
.process-eyebrow { grid-area: eyebrow; display: block; margin: 0; color: var(--color-secondary); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.process-section .section__title { grid-area: title; margin-bottom: 0; text-align: left; }
.process-section .section__title::after { margin-right: 0; margin-left: 0; transform: none; }
.process-section .section__subtitle { grid-area: subtitle; align-self: end; max-width: 520px; margin: 0; text-align: left; }
.process-grid {
    position: relative; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 0;
    counter-reset: step;
    padding: 34px 28px 32px; border: 1px solid var(--color-border); border-radius: var(--radius-md);
    background: #fff; box-shadow: var(--shadow-sm);
}
.process-step { position: relative; min-width: 0; padding: 0 18px; text-align: center; counter-increment: step; }
.process-step::before {
    content: counter(step); display: flex; align-items: center; justify-content: center;
    position: relative; z-index: 2;
    width: 54px; height: 54px; margin: 0 auto 20px;
    border: 6px solid #fff; border-radius: 50%;
    background: var(--color-secondary);
    box-shadow: 0 0 0 2px rgba(232,101,26,.25), 0 6px 16px rgba(232,101,26,.18);
    color: #fff; font-family: var(--font-heading); font-size: 18px; font-weight: 800;
}
.process-step:not(:last-child)::after {
    content: ''; position: absolute; z-index: 1;
    top: 27px; left: calc(50% + 27px);
    width: calc(100% - 54px); height: 2px;
    background: linear-gradient(90deg, #e8651a 0%, #cbd7df 100%);
    border-radius: 1px;
}
.process-step h4 { margin-bottom: 8px; color: var(--color-text); font-size: 16px; text-align: center; }
.process-step p { margin: 0; color: var(--color-text-secondary); font-size: 13px; line-height: 1.65; text-align: center; }

/* News, articles, video */
.news-layout { gap: 28px; }
.news-card, .related-news-card { overflow: hidden; }
.news-card__img, .related-news-card__img { overflow: hidden; }
.news-card__body, .related-news-card__body { padding: 22px; }
.news-card__title, .related-news-card__title { color: var(--color-text); }
.news-card__excerpt, .news-card__meta, .related-news-card__date { color: var(--color-text-secondary); }
.sidebar-widget { padding: 22px; }
.tag { border-radius: 999px; background: var(--color-bg-soft); color: var(--color-primary); }
.article-shell { max-width: 900px; }
.article-card { overflow: hidden; }
.article-content, .article-body { color: #33475b; line-height: 1.82; }
.article-summary { border-left: 4px solid var(--color-secondary); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; background: #fff6f0; }
.article-share__btn { border-radius: 9px; }
.video-layout { gap: 24px; }
.video-layout__main, .video-layout__list { overflow: hidden; }
.video-player-wrapper { overflow: hidden; border-radius: 10px; background: #071724; }
.video-list-item { border-radius: 9px; }
.detail-gallery__main, .detail-panel { overflow: hidden; }
.detail-panel { padding: clamp(24px,4vw,36px); }
.detail-gallery__thumb { overflow: hidden; border: 1px solid var(--color-border); border-radius: 9px; }

/* CTA and footer */
.cta { position: relative; overflow: hidden; padding: clamp(64px,7vw,88px) 0; background: var(--gradient-primary); }
.cta::before { content: ""; position: absolute; top: -120px; right: -80px; width: 420px; height: 420px; border: 70px solid rgba(0,164,199,.12); border-radius: 50%; }
.cta__content { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; }
.cta__title { color: #fff; font-size: clamp(32px,5vw,48px); }
.cta__description { color: rgba(255,255,255,.72); }
.cta__actions { gap: 12px; }
.footer { padding-top: 58px; background: #091d30; border-top: 4px solid var(--color-primary-light); }
.footer__grid { grid-template-columns: 1.35fr .75fr .8fr .95fr .9fr; gap: 32px; }
.footer__title { margin-bottom: 25px; color: #fff; font-size: 16px; }
.footer__title::after { width: 38px; height: 2px; background: var(--color-secondary); }
.footer__description, .footer__link, .footer__contact-item { color: rgba(255,255,255,.64); line-height: 1.7; }
.footer__link:hover { color: #fff; }
.footer__contact-icon, .footer__social-link { border: 1px solid rgba(255,255,255,.1); border-radius: 9px; background: rgba(255,255,255,.06); }
.footer-visitor-stats { min-width: 0; }
.footer__bottom { margin-top: 42px; border-top: 1px solid rgba(255,255,255,.08); }
.fab-main-btn, .fab-btn, .scroll-top { border: 1px solid rgba(255,255,255,.26); border-radius: 12px; box-shadow: 0 12px 28px rgba(7,28,46,.22); }
.fab-main-btn { background: var(--color-secondary); }
.scroll-top { background: var(--color-primary); }

@media (max-width: 1280px) {
    .header__inner { width: min(100%, calc(100% - 24px)); }
    .nav__link { padding-inline: 8px; font-size: 13px; }
    .header__search { max-width: 130px; }
}

@media (max-width: 1180px) {
    .header__logo { min-width: 210px; }
    .header__search { display: none; }
    .nav__link { padding-inline: 6px; font-size: 13px; }
    .features__grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .footer__grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
}

@media (max-width: 1024px) {
    .container, .hero__content { width: min(100% - 32px, 920px); }
    .header__inner { width: calc(100% - 24px); }
    .header__menu-toggle { display: grid; place-items: center; }
    .nav {
        position: fixed;
        z-index: 1001;
        top: var(--header-height);
        right: 12px;
        bottom: auto;
        left: 12px;
        height: auto;
        max-height: calc(100vh - var(--header-height) - 12px);
        padding: 12px;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: 2px;
        overflow-y: auto;
        overscroll-behavior: contain;
        border: 1px solid rgba(255,255,255,.09);
        border-radius: 0 0 var(--radius-md) var(--radius-md);
        background: #0b263f;
        box-shadow: var(--shadow-lg);
        transform: translateY(-12px);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: transform 180ms ease, opacity 180ms ease, visibility 180ms ease;
    }
    .nav.open { transform: translateY(0); opacity: 1; visibility: visible; pointer-events: auto; }
    .nav__link { min-height: 44px; padding: 12px 14px; }
    .nav__link::after { right: auto; bottom: 9px; left: 14px; width: 34px; }
    .hero { min-height: auto; }
    .hero__content { grid-template-columns: minmax(0,1fr) minmax(330px,.72fr); gap: 40px; }
    .hero__title { font-size: clamp(46px,6vw,62px); }
    .hero__stats > div { min-width: 105px; padding-inline: 14px; }
    .categories__grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .products-layout { grid-template-columns: 1fr; gap: 20px; }
    .product-sidebar { position: static; }
    .product-sidebar__card { max-height: none; overflow: visible; padding: 20px; border-radius: 18px; }
    .product-filter__mobile-toggle { display: flex; }
    .product-filter__groups { display: none; }
    .product-filter.is-expanded .product-filter__groups { display: flex; }
    .filter-item__hint { opacity: 1; transform: translateX(0); }
    .products-grid { grid-template-columns: repeat(2,1fr); }
    .process-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 34px 0; }
    .process-step:not(:last-child)::after { display: none; }
    .contact-layout { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .services-intro { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 768px) {
    .container, .hero__content { width: min(100% - 28px, 680px); }
    .section { padding: 58px 0; }
    .section__header { margin-bottom: 28px; }
    .header__logo { min-width: 0; }
    .header__logo-name { font-size: 13px; }
    .header__logo-tagline { display: none; }
    .header__hotline { width: 44px; padding: 0; justify-content: center; overflow: hidden; color: transparent; font-size: 0; }
    .header__hotline i { margin: 0; color: #fff; font-size: 15px; }
    .page-hero, .about-hero { min-height: 310px; padding: calc(var(--header-height) + 64px) 0 58px; }
    .page-hero h1, .about-hero h1 { font-size: clamp(36px,11vw,50px); }
    .hero { padding: calc(var(--header-height) + 54px) 0 60px; }
    .hero__content { display: block; }
    .hero__visual { max-width: 520px; margin: 48px auto 0; }
    .hero__image-container { transform: none; }
    .hero__stats { width: 100%; }
    .hero__stats > div { width: 33.333%; min-width: 0; padding-inline: 10px; }
    .features__grid, .categories__grid, .faq-grid, .services-grid, .contact-layout, .news-layout, .video-layout, .services-intro { grid-template-columns: 1fr; }
    .quick-contact { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .products-layout { display: block; }
    .product-sidebar { position: static; margin-bottom: 22px; }
    .product-sidebar__card { padding: 16px; border-radius: 16px; }
    .product-filter__head { flex-direction: column; align-items: flex-start; }
    .filter-group { border-radius: 14px; }
    .filter-group__header { padding: 6px; }
    .filter-group__toggle { width: 40px; height: 40px; }
    .filter-item { padding: 10px 12px; border-radius: 12px; font-size: 14px; }
    .filter-group__children { padding: 0 6px; gap: 6px; }
    .filter-group.is-open .filter-group__children { padding: 0 6px 6px; }
    .products-grid { grid-template-columns: 1fr; }
    .services-intro { gap: 16px; }
    .service-card__features { grid-template-columns: 1fr; }
    .process-section .section__header { grid-template-columns: 1fr; grid-template-areas: "eyebrow" "title" "subtitle"; gap: 8px; }
    .process-section .section__subtitle { margin-top: 8px; }
    .process-grid { grid-template-columns: 1fr; gap: 0; padding: 16px 22px; }
    .process-step { display: grid; grid-template-columns: 54px minmax(0,1fr); column-gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--color-border); text-align: left; }
    .process-step:last-child { border-bottom: 0; }
    .process-step::before { grid-row: 1 / span 2; width: 48px; height: 48px; margin: 0; font-size: 16px; }
    .process-step:not(:last-child)::after { display: none; }
    .process-step h4, .process-step p { grid-column: 2; text-align: left; }
    .footer__grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 30px 24px; }
}

@media (max-width: 520px) {
    .container, .hero__content { width: calc(100% - 24px); }
    .section__title { font-size: 30px; }
    .hero__title { font-size: clamp(41px,13vw,54px); }
    .hero__description { font-size: 15px; }
    .hero__actions, .cta__actions { display: grid; grid-template-columns: 1fr; }
    .hero__actions .btn, .cta__actions .btn { width: 100%; }
    .hero__stats { display: grid; grid-template-columns: repeat(3,1fr); padding: 14px 10px; }
    .hero__stat-number { font-size: 22px; }
    .hero__stat-label { font-size: 9px; }
    .features__grid, .categories__grid { grid-template-columns: 1fr; }
    .service-card, .feature-card, .value-card, .contact-form-wrapper, .product-content__head { padding: 22px; }
    .quick-contact, .form-row { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr; }
    .footer { padding-top: 46px; }
    .fab-main-btn, .fab-btn, .scroll-top { border-radius: 10px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms; animation-iteration-count: 1; transition-duration: .01ms; scroll-behavior: auto; }
}
