:root {
    --color-blue: #0758a8;
    --color-blue-deep: #07376b;
    --color-yellow: #ffd12e;
    --color-dark: #111b27;
    --color-gray: #627181;
    --color-light: #f3f6f9;
    --color-white: #fff;
    --border: #dbe3ea;
    --shadow: 0 20px 60px rgba(13, 35, 58, .12);
    --radius: 18px;
    --container: 1240px;
}

* { box-sizing: border-box; }
html { overflow-x: hidden; scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; color: var(--color-dark); background: var(--color-white); font-family: Inter, "Segoe UI", Arial, sans-serif; line-height: 1.55; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.025em; }
h1 { font-size: clamp(2rem, 3.0vw, 3.45rem); }
h2 { font-size: clamp(2rem, 3.0vw, 3.45rem); }
h3 { font-size: 1.2rem; }
p { color: var(--color-gray); }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: clamp(72px, 9vw, 128px) 0; }
.section--light { background: var(--color-light); }
.section--dark { color: var(--color-white); background: var(--color-dark); }
.section--dark p { color: #b8c5d1; }
.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; }
.skip-link { position: fixed; z-index: 1000; top: 10px; left: 10px; padding: 10px 16px; color: #fff; background: var(--color-blue); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.eyebrow { display: inline-block; margin-bottom: 16px; color: var(--color-blue); font-size: .73rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow--light { color: var(--color-yellow); }
.btn { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 12px 22px; border: 1px solid transparent; border-radius: 7px; font-weight: 800; transition: transform .2s, background .2s, border-color .2s; }
.btn:hover { transform: translateY(-2px); }
.btn--small { min-height: 42px; padding: 9px 16px; font-size: .86rem; }
.btn--yellow { color: var(--color-dark); background: var(--color-yellow); }
.btn--yellow:hover { background: #ffe06b; }
.btn--blue { color: #fff; background: var(--color-blue); }
.btn--blue:hover { background: var(--color-blue-deep); }
.btn--ghost { color: #fff; border-color: rgba(255,255,255,.45); background: rgba(255,255,255,.08); }
.btn--outline { color: var(--color-blue); border-color: var(--color-blue); }
.text-link { color: var(--color-blue); font-weight: 800; }
.card { border: 1px solid var(--border); border-radius: var(--radius); background: #fff; }

.topbar { color: #d4e0ec; background: var(--color-dark); font-size: .77rem; }
.topbar__inner { display: flex; min-height: 34px; align-items: center; justify-content: space-between; gap: 24px; }
.topbar__contacts { display: flex; gap: 24px; }
.topbar__contacts a:hover { color: var(--color-yellow); }
.site-header { position: sticky; z-index: 100; top: 0; border-bottom: 1px solid var(--border); background: rgba(255,255,255,.96); backdrop-filter: blur(14px); }
.header-main { display: flex; min-height: 84px; align-items: center; gap: 26px; }
.brand { flex: 0 0 176px; }
.brand img { width: 176px; height: auto; }
.main-nav { flex: 1; }
.main-nav__list { display: flex; align-items: center; justify-content: center; gap: 4px; margin: 0; padding: 0; list-style: none; }
.main-nav__item > a, .submenu-toggle { display: flex; align-items: center; gap: 5px; padding: 13px 9px; border: 0; background: none; font-size: .83rem; font-weight: 750; cursor: pointer; }
.submenu-toggle span{margin-top: -6px;}
.main-nav__item > a:hover, .submenu-toggle:hover, .main-nav__item.is-active > a, .main-nav__item.is-active > .submenu-toggle { color: var(--color-blue); }
.has-submenu { position: relative; }
.mega-menu { position: absolute; top: calc(100%); left: 50%; width: min(760px, 85vw); padding: 20px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transform: translate(-50%, 8px); transition: opacity .2s, transform .2s; }
.has-submenu:hover .mega-menu, .has-submenu:focus-within .mega-menu, .has-submenu.is-open .mega-menu { opacity: 1; pointer-events: auto; transform: translate(-50%, 0); }
.mega-menu__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
.mega-menu a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 13px 14px; border-radius: 9px; color: #33465a; font-size: .88rem; }
.mega-menu a:hover, .mega-menu a.is-active { color: var(--color-blue); background: var(--color-light); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.language-switcher { display: flex; padding: 3px; border: 1px solid var(--border); border-radius: 7px; background: var(--color-light); font-size: .72rem; font-weight: 900; }
.language-switcher a { padding: 5px 7px; border-radius: 4px; }
.language-switcher a.is-active { color: #fff; background: var(--color-blue); }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--border); border-radius: 7px; background: #fff; }
.menu-toggle > span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: var(--color-dark); }

.alert { padding: 14px 18px; border-radius: 8px; font-weight: 700; }
.alert--success { color: #155b36; background: #e1f6e9; }
.alert--error { color: #8a2626; background: #fde5e5; }

.hero { position: relative; min-height: 700px; overflow: hidden; color: #fff; background: var(--color-blue-deep); }
.hero::before { position: absolute; z-index: 1; inset: 0; content: ""; background: linear-gradient(90deg, rgba(6,32,58,.95) 0%, rgba(6,39,75,.84) 50%, rgba(6,39,75,.25) 100%); }
.hero::after { position: absolute; z-index: 1; right: -130px; bottom: -220px; width: 520px; height: 520px; border: 100px solid rgba(255,209,46,.25); border-radius: 50%; content: ""; }
.hero__media { position: absolute; inset: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__inner { position: relative; z-index: 2; display: flex; min-height: 700px; align-items: center; justify-content: space-between; gap: 50px; padding-block: 90px; }
.hero__content { max-width: 850px; }
.hero h1 { max-width: 900px; margin-bottom: 24px; }
.hero p { max-width: 760px; margin-bottom: 32px; color: #d8e5f0; font-size: clamp(1rem, 1.7vw, 1.28rem); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 42px; }
.section-heading h2 { max-width: 750px; margin-bottom: 0; }
.section-heading p { max-width: 460px; margin-bottom: 2px; }
.section-heading--light h2 { color: #fff; }

.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.product-card { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; transition: transform .2s, box-shadow .2s; }
.product-card:hover { box-shadow: var(--shadow); transform: translateY(-5px); }
.product-card__image { display: block; overflow: hidden; aspect-ratio: 1 / .78; background: #fff; }
.product-card__image img { width: 100%; height: 100%; padding: 16px; object-fit: contain; transition: transform .35s; }
.product-card:hover .product-card__image img { transform: scale(1.04); }
.product-card__body { padding: 20px; }
.product-card__body > span, .catalog-card span { display: block; margin-bottom: 9px; color: var(--color-blue); font-size: .67rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.product-card h3 { min-height: 2.4em; margin-bottom: 12px; font-size: 1.08rem; }
.product-card p { min-height: 4.4em; margin-bottom: 15px; font-size: .84rem; }
.product-grid--compact { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.product-focus { background: #fff; }
.split-feature { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(45px, 7vw, 100px); align-items: center; }
.split-feature__image { position: relative; padding: 35px; border-radius: 30px; background: var(--color-light); }
.split-feature__image::before { position: absolute; top: -18px; right: -18px; width: 95px; height: 95px; border: 18px solid var(--color-yellow); border-radius: 50%; content: ""; }
.split-feature__content p { max-width: 670px; }
.check-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 28px 0 34px; padding: 0; list-style: none; }
.check-grid li { position: relative; padding: 13px 13px 13px 35px; border: 1px solid var(--border); border-radius: 8px; font-size: .88rem; font-weight: 700; }
.check-grid li::before { position: absolute; left: 13px; color: var(--color-blue); content: "✓"; }
.advantages { color: #fff; background: var(--color-blue-deep); }
.advantage-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; overflow: hidden; border: 1px solid rgba(255,255,255,.15); border-radius: var(--radius); background: rgba(255,255,255,.15); }
.advantage-card { min-height: 160px; padding: 26px; background: rgba(7,55,107,.88); }
.advantage-card span { color: var(--color-yellow); font-size: .73rem; font-weight: 900; }
.advantage-card h3 { margin-top: 30px; margin-bottom: 0; }
.catalog-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.catalog-card { display: grid; grid-template-columns: 95px 1fr; gap: 17px; align-items: start; padding: 18px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; }
.catalog-card img { width: 95px; aspect-ratio: .71; border: 1px solid var(--border); object-fit: cover; }
.catalog-card h3 { margin-bottom: 15px; font-size: .98rem; }
.about-strip__inner { display: grid; grid-template-columns: .7fr 1.5fr auto; align-items: center; gap: 45px; padding: 46px; border: 1px solid var(--border); border-radius: var(--radius); }
.about-strip h2 { margin-bottom: 0; font-size: 2rem; }
.about-strip p { margin-bottom: 0; }

.page-hero, .page-title { position: relative; overflow: hidden; background: linear-gradient(180deg, #edf4fa 0%, #fff 100%); }
.page-hero::after, .page-title::after { position: absolute; right: -100px; bottom: -160px; width: 360px; height: 360px; border: 70px solid rgba(7,88,168,.06); border-radius: 50%; content: ""; }
.page-hero__grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 70px; padding-bottom: clamp(70px, 9vw, 120px); }
.page-hero__content p { max-width: 720px; font-size: 1.08rem; }
.page-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.page-hero__image { display: grid; place-items: center; aspect-ratio: 1; padding: 30px; border: 1px solid var(--border); border-radius: 30px; background: #fff; box-shadow: var(--shadow); }
.page-hero__image img { width: 100%; height: 100%; object-fit: contain; }
.page-hero__wide-image { overflow: hidden; border-radius: 24px; box-shadow: var(--shadow); }
.page-hero__wide-image img { width: 100%; min-height: 350px; object-fit: cover; }
.page-title { padding-bottom: clamp(70px, 9vw, 120px); }
.page-title .container { position: relative; z-index: 1; }
.page-title h1 { max-width: 900px; }
.page-title p { max-width: 780px; font-size: 1.08rem; }
.breadcrumbs { padding: 28px 0 55px; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; color: var(--color-gray); font-size: .74rem; }
.breadcrumbs li:not(:last-child)::after { margin-left: 8px; color: #aab5bf; content: "/"; }
.breadcrumbs a:hover { color: var(--color-blue); }
.info-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.info-card { min-height: 220px; padding: 28px; }
.info-card > span { display: block; margin-bottom: 35px; color: var(--color-blue); font-size: .72rem; font-weight: 900; }
.info-card h2, .info-card h3 { font-size: 1.24rem; }
.info-card p { margin-bottom: 0; font-size: .9rem; }
.category-facts-wrap { position: relative; z-index: 2; margin-top: -38px; }
.category-facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; padding: 0; overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); list-style: none; }
.category-facts li { min-height: 100px; padding: 24px; border-right: 1px solid var(--border); color: var(--color-dark); font-size: .82rem; font-weight: 800; }
.category-facts li:last-child { border-right: 0; }
.subcategory-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.subcategory-card { display: grid; grid-template-columns: minmax(180px, .8fr) 1.2fr; overflow: hidden; min-height: 280px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; transition: box-shadow .2s, transform .2s; }
.subcategory-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.subcategory-card__image { display: grid; min-height: 100%; place-items: center; background: var(--color-light); }
.subcategory-card__image img { width: 100%; height: 100%; max-height: 310px; padding: 18px; object-fit: contain; }
.subcategory-card__body { padding: 28px; }
.subcategory-card__body span { display: block; margin-bottom: 28px; color: var(--color-blue); font-size: .72rem; font-weight: 900; }
.subcategory-card__body h3 { font-size: 1.25rem; }
.subcategory-card__body p { margin-bottom: 0; font-size: .88rem; }
.parameter-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; align-items: start; }
.parameter-list { margin: 0; padding: 0; list-style: none; }
.parameter-list li { display: grid; grid-template-columns: 42px 1fr; gap: 12px; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.14); font-weight: 750; }
.parameter-list span { color: var(--color-yellow); font-size: .72rem; }
.catalog-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.catalog-card--large { grid-template-columns: 150px 1fr; padding: 24px; }
.catalog-card--large img { width: 150px; }
.catalog-card--large h2 { margin-bottom: 12px; font-size: 1.35rem; }
.catalog-card--large p { font-size: .87rem; }
.map-embed { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.map-embed iframe { display: block; width: 100%; min-height: 450px; border: 0; }
.error-page { min-height: 60vh; }

.news-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.news-card { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; transition: box-shadow .2s, transform .2s; }
.news-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.news-card__media { position: relative; display: block; overflow: hidden; aspect-ratio: 16 / 10; background: var(--color-dark); }
.news-card__media video { width: 100%; height: 100%; object-fit: cover; }
.news-card__media::after { position: absolute; inset: 0; content: ""; background: linear-gradient(180deg, transparent 45%, rgba(8,25,43,.75)); }
.news-card__media span { position: absolute; z-index: 1; right: 18px; bottom: 16px; padding: 6px 10px; border-radius: 5px; color: var(--color-dark); background: var(--color-yellow); font-size: .68rem; font-weight: 900; text-transform: uppercase; }
.news-card__body { padding: 24px; }
.news-card h2 { margin-bottom: 13px; font-size: 1.35rem; }
.news-card p { font-size: .88rem; }
.news-meta { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-bottom: 18px; color: var(--color-blue); font-size: .7rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.news-meta time { color: var(--color-gray); }
.news-article__header { padding-bottom: clamp(65px, 8vw, 110px); background: linear-gradient(180deg, #edf4fa 0%, #fff 100%); }
.news-article__header h1 { max-width: 980px; }
.news-article__lead { max-width: 900px; margin-bottom: 0; font-size: clamp(1.06rem, 1.8vw, 1.28rem); }
.news-article__content { max-width: 1000px; padding-top: clamp(60px, 8vw, 100px); padding-bottom: clamp(75px, 9vw, 125px); }
.news-article__content > p { max-width: 850px; margin-right: auto; margin-left: auto; font-size: 1.06rem; line-height: 1.8; }
.video-stories { margin: 55px 0; padding: clamp(22px, 4vw, 42px); border-radius: 25px; background: var(--color-light); }
.video-stories .section-heading { margin-bottom: 28px; }
.video-stories .section-heading h2 { font-size: clamp(1.8rem, 3vw, 2.7rem); }
.video-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.video-card { position: relative; overflow: hidden; margin: 0; border-radius: 14px; color: #fff; background: var(--color-dark); }
.video-card video { display: block; width: 100%; aspect-ratio: 9 / 16; object-fit: cover; background: #081422; }
.video-card figcaption { position: absolute; z-index: 1; right: 10px; bottom: 10px; padding: 5px 8px; border-radius: 5px; color: var(--color-dark); background: var(--color-yellow); font-size: .62rem; font-weight: 900; pointer-events: none; }
.news-related { margin-top: 60px; padding: 34px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; }
.news-related h2 { font-size: 2rem; }
.news-related > div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; overflow: hidden; border: 1px solid var(--border); border-radius: 10px; background: var(--border); }
.news-related a { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 15px; background: var(--color-light); font-size: .84rem; font-weight: 750; }
.news-related a:hover { color: var(--color-blue); background: #fff; }
.news-related b { color: var(--color-blue); }

.request-section { color: #fff; background: var(--color-blue); }
.request-alert { margin-bottom: 28px; }
.request-alert .alert { border: 1px solid rgba(255,255,255,.35); box-shadow: var(--shadow); }
.request-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(40px, 7vw, 90px); align-items: start; }
.request-copy { position: sticky; top: 135px; }
.request-copy h2 { max-width: 440px; }
.request-copy p { max-width: 460px; color: #d8e6f3; }
.request-contact { display: grid; gap: 6px; margin-top: 30px; font-size: 1.15rem; font-weight: 800; }
.request-contact a:hover { color: var(--color-yellow); }
.request-contact address, .request-contact span { max-width: 420px; margin-top: 10px; color: #d8e6f3; font-size: .8rem; font-style: normal; font-weight: 600; }
.request-map { margin-top: clamp(34px, 5vw, 64px); }
.request-map .map-embed { border-color: rgba(255,255,255,.22); }
.form { padding: 28px; border-radius: var(--radius); color: var(--color-dark); background: #fff; box-shadow: var(--shadow); }
.form__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form label { display: grid; gap: 7px; color: #435365; font-size: .78rem; font-weight: 750; }
.form__wide { grid-column: 1 / -1; }
.form input, .form select, .form textarea { width: 100%; padding: 13px 14px; border: 1px solid #cbd6df; border-radius: 7px; color: var(--color-dark); background: #fff; outline: none; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--color-blue); box-shadow: 0 0 0 3px rgba(7,88,168,.12); }
.form textarea { resize: vertical; }
.consent { display: flex !important; grid-template-columns: auto 1fr; align-items: start; gap: 9px !important; margin: 18px 0; }
.consent input { width: auto; margin-top: 3px; }
.honeypot { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }

.site-footer { padding-top: 70px; color: #d5e0eb; background: var(--color-dark); }
.footer-grid { display: grid; grid-template-columns: 1.25fr 1fr 1fr 1.1fr; gap: 50px; padding-bottom: 60px; }
.footer-brand img { width: 190px; margin-bottom: 22px; }
.footer-brand p { max-width: 300px; color: #aebcca; font-size: .85rem; }
.footer-muted { font-size: .74rem !important; }
.site-footer h2 { margin-bottom: 20px; color: #fff; font-size: .9rem; letter-spacing: .06em; text-transform: uppercase; }
.site-footer ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; color: #aebcca; font-size: .79rem; }
.site-footer a:hover { color: var(--color-yellow); }
.footer-contacts { display: grid; align-content: start; gap: 10px; }
.footer-phone { color: #fff; font-size: 1.18rem; font-weight: 850; }
.site-footer address { margin-top: 9px; color: #aebcca; font-size: .8rem; font-style: normal; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 20px; border-top: 1px solid rgba(255,255,255,.1); color: #8fa0b1; font-size: .7rem; }

@media (max-width: 1120px) {
    .main-nav__item > a, .submenu-toggle { font-size: .76rem; }
    .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .catalog-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .category-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .category-facts li:nth-child(2n) { border-right: 0; }
    .subcategory-card { grid-template-columns: 1fr; }
    .subcategory-card__image { min-height: 240px; }
}

@media (max-width: 1340px) {
    .header-cta { display: none; }
    .header-main { gap: 18px; }
    .brand { flex-basis: 158px; }
    .brand img { width: 158px; }
    .main-nav__item > a, .submenu-toggle { padding-right: 7px; padding-left: 7px; font-size: .78rem; }
}

@media (max-width: 900px) {
    .container { width: min(calc(100% - 30px), var(--container)); }
    .topbar { display: none; }
    .site-header { backdrop-filter: none; }
    .header-main { min-height: 70px; }
    .brand { flex-basis: 150px; }
    .brand img { width: 150px; }
    .menu-toggle { display: block; }
    .main-nav { position: absolute; top: 70px; right: 0; left: 0; height: calc(100dvh - 70px); overflow-y: auto; padding: 14px 15px 50px; border-top: 1px solid var(--border); background: #fff; opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .2s, visibility .2s; }
    body.menu-open { overflow: hidden; }
    body.menu-open .main-nav { opacity: 1; visibility: visible; pointer-events: auto; }
    .main-nav__list { display: grid; align-items: stretch; justify-content: stretch; gap: 3px; }
    .main-nav__item > a, .submenu-toggle { width: 100%; justify-content: space-between; padding: 15px 12px; border-radius: 7px; font-size: .95rem; text-align: left; }
    .mega-menu { position: static; width: 100%; max-height: 0; overflow: hidden; padding: 0; border: 0; box-shadow: none; opacity: 1; pointer-events: auto; transform: none; transition: max-height .25s; }
    .has-submenu.is-open .mega-menu { max-height: 900px; transform: none; }
    .mega-menu__grid { grid-template-columns: 1fr; padding: 5px 8px 15px; }
    .mega-menu a { padding: 11px 12px; }
    .hero, .hero__inner { min-height: 640px; }
    .hero__inner { display: grid; align-content: center; }
    .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .split-feature, .page-hero__grid, .parameter-layout, .request-layout { grid-template-columns: 1fr; }
    .split-feature__image { max-width: 560px; }
    .advantage-grid, .info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .about-strip__inner { grid-template-columns: 1fr; align-items: start; }
    .catalog-grid { grid-template-columns: 1fr; }
    .request-copy { position: static; }
    .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .news-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .video-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
    .container { width: min(calc(100% - 24px), var(--container)); }
    .section { padding: 64px 0; }
    .language-switcher { display: none; }
    .header-actions { margin-left: auto; }
    .hero, .hero__inner { min-height: 660px; }
    .hero::before { background: rgba(4,30,55,.86); }
    .hero__inner { padding-block: 70px; }
    .hero h1 { font-size: clamp(2.25rem, 12vw, 3.4rem); }
    .hero__actions .btn { width: 100%; }
    .section-heading { display: grid; gap: 16px; margin-bottom: 28px; }
    .product-grid, .advantage-grid, .info-grid, .subcategory-grid { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; }
    .product-card p { min-height: auto; }
    .product-card h3 { min-height: auto; }
    .check-grid { grid-template-columns: 1fr; }
    .catalog-row { grid-template-columns: 1fr; }
    .about-strip__inner { gap: 22px; padding: 28px; }
    .page-hero__grid { gap: 35px; }
    .page-hero__image { padding: 18px; border-radius: 20px; }
    .breadcrumbs { padding: 20px 0 38px; }
    .page-title { padding-bottom: 70px; }
    .form { padding: 20px; }
    .form__grid { grid-template-columns: 1fr; }
    .form__wide { grid-column: auto; }
    .category-facts-wrap { margin-top: -20px; }
    .category-facts { grid-template-columns: 1fr; }
    .category-facts li, .category-facts li:nth-child(2n) { min-height: auto; border-right: 0; border-bottom: 1px solid var(--border); }
    .category-facts li:last-child { border-bottom: 0; }
    .subcategory-card__image { min-height: 220px; }
    .catalog-card, .catalog-card--large { grid-template-columns: 95px 1fr; padding: 16px; }
    .catalog-card--large img { width: 95px; }
    .catalog-card--large h2 { font-size: 1rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { display: grid; }
    .video-grid { grid-template-columns: 1fr; }
    .video-card video { aspect-ratio: 4 / 5; }
    .news-related { padding: 24px; }
    .news-related > div { grid-template-columns: 1fr; }
}