@font-face {
  font-family: 'StyreneAWeb';
  src: url('../assets/fonts/StyreneAWeb/StyreneAWeb-Regular.woff2') format('woff2'),
       url('../assets/fonts/StyreneAWeb/StyreneAWeb-Regular.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'StyreneAWeb';
  src: url('../assets/fonts/StyreneAWeb/StyreneAWeb-Medium.woff2') format('woff2'),
       url('../assets/fonts/StyreneAWeb/StyreneAWeb-Medium.woff') format('woff');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'StyreneAWeb';
  src: url('../assets/fonts/StyreneAWeb/StyreneAWeb-Light.woff2') format('woff2'),
       url('../assets/fonts/StyreneAWeb/StyreneAWeb-Light.woff') format('woff');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'StyreneAWeb';
  src: url('../assets/fonts/StyreneAWeb/StyreneAWeb-Black.woff2') format('woff2'),
       url('../assets/fonts/StyreneAWeb/StyreneAWeb-Black.woff') format('woff');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'StyreneAWeb';
  src: url('../assets/fonts/StyreneAWeb/StyreneAWeb-Thin.woff2') format('woff2'),
       url('../assets/fonts/StyreneAWeb/StyreneAWeb-Thin.woff') format('woff');
  font-weight: 100;
  font-style: normal;
  font-display: swap;
}

:root {
  --c-black:   #0f1117;
  --c-dark:    #1a1f2e;
  --c-red:     #c0392b;
  --c-red-h:   #a93226;
  --c-grey:    #6b7280;
  --c-light:   #f4f5f7;
  --c-white:   #ffffff;
  --c-border:  #e2e5ea;
  --f-display: 'StyreneAWeb', sans-serif;
  --f-body:    'StyreneAWeb', sans-serif;
  --radius: 6px;
  --shadow: 0 2px 12px rgba(0,0,0,.08);
  --transition: .2s ease;
  --header-h: 68px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--f-body); color: var(--c-black); background: var(--c-white); line-height: 1.6; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul { list-style: none; }
input, textarea, select { font: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 700; line-height: 1.15; letter-spacing: .01em; text-transform: uppercase; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius);
  font-weight: 600; font-size: .9rem; letter-spacing: .03em; text-transform: uppercase;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn--primary { background: var(--c-red); color: var(--c-white); }
.btn--primary:hover { background: var(--c-red-h); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(192,57,43,.3); }
.btn--outline { border: 2px solid var(--c-white); color: var(--c-white); }
.btn--outline:hover { background: rgba(255,255,255,.12); }

/* HEADER */
.header { position: sticky; top: 0; z-index: 100; background: var(--c-white); border-bottom: 1px solid var(--c-border); box-shadow: var(--shadow); }
.header__top { height: var(--header-h); }
.header__inner { display: flex; align-items: center; gap: 24px; height: 100%; }
.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }

/* Second row: search strip under the main header bar */
.header__search { background: var(--c-light); border-top: 1px solid var(--c-border); padding: 10px 0; }
.header__search-tab { font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--c-red); border-bottom: 2px solid var(--c-red); display: inline-block; padding-bottom: 6px; margin-bottom: 10px; }
.header__search-row { display: flex; align-items: center; gap: 10px; background: var(--c-white); border: 1.5px solid var(--c-border); border-radius: var(--radius); padding: 4px 4px 4px 16px; position: relative; }
.header__search-row input { flex: 1; border: none; outline: none; background: none; font-size: .95rem; padding: 8px 0; }
.header__search-row input::placeholder { color: var(--c-grey); text-transform: uppercase; font-size: .8rem; letter-spacing: .02em; }
.header__search-row button { flex-shrink: 0; width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius); color: var(--c-grey); transition: var(--transition); }
.header__search-row button:hover { background: var(--c-light); color: var(--c-red); }
.nav__link { display: flex; align-items: center; gap: 4px; padding: 6px 14px; border-radius: var(--radius); font-size: .875rem; font-weight: 500; color: var(--c-dark); transition: background var(--transition), color var(--transition); white-space: nowrap; }
.nav__link:hover, .nav__link.active { background: var(--c-light); color: var(--c-red); }
.nav__dropdown { position: relative; }
.nav__sub { display: none; position: absolute; top: calc(100% + 8px); left: 0; background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius); box-shadow: 0 8px 24px rgba(0,0,0,.1); min-width: 200px; padding: 6px 0; }
.nav__dropdown:hover .nav__sub, .nav__dropdown:focus-within .nav__sub { display: block; }
.nav__sub-link { display: block; padding: 10px 18px; font-size: .875rem; transition: background var(--transition); }
.nav__sub-link:hover { background: var(--c-light); color: var(--c-red); }

.header__right { display: flex; align-items: center; gap: 16px; }
.lang-switch { position: relative; }
.lang-switch__current { display: flex; align-items: center; gap: 4px; padding: 6px 12px; border: 1px solid var(--c-border); border-radius: var(--radius); font-size: .8rem; font-weight: 600; text-transform: uppercase; }
.lang-switch__list { display: none; position: absolute; top: calc(100% + 6px); right: 0; background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius); box-shadow: 0 8px 24px rgba(0,0,0,.1); overflow: hidden; min-width: 84px; z-index: 10; }
.lang-switch.open .lang-switch__list { display: block; }
.lang-switch__list button { display: block; width: 100%; text-align: left; padding: 8px 14px; font-size: .8rem; }
.lang-switch__list button:hover { background: var(--c-light); color: var(--c-red); }

.header__contacts { display: flex; flex-direction: column; gap: 2px; }
.header__contact { font-size: .8rem; color: var(--c-grey); transition: color var(--transition); }
.header__contact:hover { color: var(--c-red); }
.header__contact--phone { font-weight: 600; font-size: .875rem; color: var(--c-dark); }

.burger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.burger span { display: block; width: 24px; height: 2px; background: var(--c-dark); border-radius: 2px; transition: var(--transition); }
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* HERO with slider */
.hero { position: relative; overflow: hidden; background: var(--c-dark); min-height: 460px; display: flex; align-items: center; }
.hero__bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: .35; transition: opacity .3s ease; }
.hero__bg[data-bg="0"] { background-image: url('../assets/hero/bg-1-min.jpg'); }
.hero__bg[data-bg="1"] { background-image: url('../assets/hero/slide12-min.jpg'); }
.hero__bg[data-bg="2"] { background-image: url('../assets/hero/banner12.jpg'); }
.hero__bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,17,23,.92) 0%, rgba(15,17,23,.55) 55%, rgba(15,17,23,.25) 100%); }
.hero__inner { position: relative; z-index: 1; padding: 64px 0; }
.hero-slide { display: none; }
.hero-slide.active { display: block; animation: fadeIn .5s ease; }
@keyframes fadeIn { from { opacity:0; transform: translateY(8px);} to { opacity:1; transform: translateY(0);} }
.hero__title { font-size: clamp(2.1rem, 5vw, 3.6rem); color: var(--c-white); margin-bottom: 18px; max-width: 680px; }
.hero__sub { font-size: 1.05rem; color: rgba(255,255,255,.72); max-width: 540px; margin-bottom: 0; }
.hero-dots { display: flex; gap: 8px; margin-top: 28px; }
.hero-dots button { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.3); transition: var(--transition); }
.hero-dots button.active { background: var(--c-red); width: 22px; border-radius: 4px; }

.header__search-results { position: absolute; top: calc(100% + 8px); left: 0; right: 0; z-index: 150; }
.search-results__list { background: var(--c-white); border-radius: var(--radius); overflow: hidden; box-shadow: 0 12px 36px rgba(0,0,0,.18); max-height: 420px; overflow-y: auto; border: 1px solid var(--c-border); }
.search-result-item { display: block; padding: 12px 18px; border-bottom: 1px solid var(--c-border); font-size: .875rem; transition: background var(--transition); }
.search-result-item:hover { background: var(--c-light); }
.search-result-item:last-child { border-bottom: none; }
.sri__top { display: flex; gap: 12px; align-items: baseline; }
.sri__sku { font-weight: 700; color: var(--c-red); }
.sri__name { color: var(--c-dark); flex: 1; }
.sri__cross { font-size: .78rem; color: var(--c-grey); margin-top: 2px; }
.search-empty, .search-loading { padding: 18px; color: var(--c-grey); font-size: .875rem; display: flex; align-items: center; gap: 10px; }

.stats { background: var(--c-red); padding: 28px 0; }
.stats__inner { display: flex; justify-content: space-around; gap: 24px; flex-wrap: wrap; }
.stat { text-align: center; color: var(--c-white); }
.stat__num { font-family: var(--f-display); font-size: 2rem; font-weight: 700; line-height: 1; }
.stat__label { font-size: .8rem; opacity: .85; margin-top: 4px; }

.section { padding: 72px 0; }
.section--grey { background: var(--c-light); }
.section__label { font-size: .75rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--c-red); margin-bottom: 10px; }
.section__title { font-size: clamp(1.5rem, 3.5vw, 2.4rem); margin-bottom: 16px; }
.section__sub { color: var(--c-grey); max-width: 560px; margin-bottom: 40px; }

.about-split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-split__img { border-radius: var(--radius); overflow: hidden; }
.about-split__img img { width: 100%; height: 400px; object-fit: cover; border-radius: var(--radius); }
.about-split__caption { margin-top: 16px; font-weight: 600; color: var(--c-dark); font-size: .95rem; line-height: 1.6; }
.about-para { color: var(--c-grey); margin-bottom: 16px; font-size: .95rem; line-height: 1.75; white-space: pre-line; }

.adv-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.adv-card { background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 24px; display: flex; gap: 16px; align-items: flex-start; transition: box-shadow var(--transition), transform var(--transition); }
.adv-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.adv-card img { width: 32px; height: 32px; flex-shrink: 0; }
.adv-card__text { font-size: .9rem; font-weight: 500; color: var(--c-dark); }

.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.gallery-item { aspect-ratio: 1; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--c-border); background: var(--c-light); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.gallery-item:hover img { transform: scale(1.06); }

.partners-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin-top: 0; }
.partner-card { display: flex; align-items: center; justify-content: center; padding: 16px; height: 84px; border: 1px solid var(--c-border); border-radius: var(--radius); background: var(--c-white); transition: border-color var(--transition), box-shadow var(--transition); }
.partner-card:hover { border-color: var(--c-red); box-shadow: var(--shadow); }
.partner-card img { max-height: 48px; width: auto; max-width: 100%; object-fit: contain; filter: grayscale(15%); }
.partner-card--static { cursor: default; opacity: .85; }

.cta-banner { background: var(--c-dark); padding: 56px 0; text-align: center; }
.cta-banner__title {}
.cta-banner p { color: rgba(255,255,255,.7); margin: 12px 0 28px; }

.page-hero { background: var(--c-dark); padding: 48px 0; }
.breadcrumb { display: flex; gap: 8px; align-items: center; font-size: .8rem; color: rgba(255,255,255,.5); margin-bottom: 14px; flex-wrap: wrap; }
.breadcrumb a { color: rgba(255,255,255,.5); }
.breadcrumb a:hover { color: var(--c-white); }
.breadcrumb__sep { opacity: .4; }
.page-hero__title { color: var(--c-white); font-size: clamp(1.6rem, 4vw, 2.4rem); }

.content-page { padding: 56px 0; }
.content-page h2 { font-size: 1.3rem; margin: 32px 0 12px; }
.content-page h3 { font-size: 1.05rem; margin: 22px 0 8px; color: var(--c-dark); }
.content-page p { color: var(--c-grey); margin-bottom: 14px; line-height: 1.75; white-space: pre-line; }
.content-page ul { margin: 0 0 16px 20px; list-style: disc; }
.content-page ul li { color: var(--c-grey); margin-bottom: 6px; font-size: .92rem; }
.content-page strong { color: var(--c-dark); }
.content-page blockquote { border-left: 3px solid var(--c-red); padding-left: 16px; margin: 16px 0; font-style: italic; color: var(--c-dark); }
.pdf-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 12px; padding: 10px 18px; border: 1.5px solid var(--c-border); border-radius: var(--radius); font-size: .875rem; font-weight: 500; transition: var(--transition); }
.pdf-link:hover { border-color: var(--c-red); color: var(--c-red); }

.partners-page { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; padding: 56px 0; }
.partners-benefits { background: var(--c-light); border-radius: var(--radius); padding: 32px 28px; }
.partners-benefits h3 { font-family: var(--f-display); font-size: .95rem; text-transform: uppercase; margin-bottom: 18px; }
.partners-benefits li { display: flex; gap: 12px; align-items: flex-start; padding: 10px 0; border-bottom: 1px solid var(--c-border); font-size: .875rem; color: var(--c-dark); }
.partners-benefits li:last-child { border-bottom: none; }
.partners-benefits li::before { content: '✓'; color: var(--c-red); font-weight: 700; flex-shrink: 0; margin-top: 2px; }

/* PRODUCT PAGE */
.product-page { padding: 48px 0 72px; }
.product-grid { display: grid; grid-template-columns: 380px 1fr; gap: 48px; }
.product-gallery { position: sticky; top: calc(var(--header-h) + 24px); }
.product-gallery__main { aspect-ratio: 1; border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; background: var(--c-light); margin-bottom: 12px; display: flex; align-items: center; justify-content: center; }
.product-gallery__main img { width: 100%; height: 100%; object-fit: contain; }
.product-gallery__thumbs { display: flex; gap: 8px; flex-wrap: wrap; }
.product-gallery__thumb { width: 64px; height: 64px; border: 1.5px solid var(--c-border); border-radius: var(--radius); overflow: hidden; cursor: pointer; background: var(--c-light); }
.product-gallery__thumb.active { border-color: var(--c-red); }
.product-gallery__thumb img { width: 100%; height: 100%; object-fit: contain; }
.product-gallery__empty { display: flex; align-items: center; justify-content: center; height: 100%; color: var(--c-grey); font-size: .85rem; }

.product-info__sku { display: inline-block; font-size: .8rem; font-weight: 700; color: var(--c-red); background: rgba(192,57,43,.08); padding: 4px 12px; border-radius: 20px; margin-bottom: 12px; }
.product-info__title { font-size: clamp(1.3rem, 3vw, 1.9rem); margin-bottom: 24px; text-transform: none; }

.spec-table { width: 100%; border-collapse: collapse; margin-bottom: 8px; }
.spec-table td { padding: 10px 0; border-bottom: 1px solid var(--c-border); font-size: .9rem; }
.spec-table td:first-child { color: var(--c-grey); width: 40%; }
.spec-table td:last-child { color: var(--c-dark); font-weight: 500; }

.product-block { margin-top: 36px; }
.product-block__title { font-family: var(--f-display); font-size: 1.1rem; text-transform: uppercase; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--c-dark); }

.data-table { width: 100%; border-collapse: collapse; }
.data-table th { text-align: left; font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--c-grey); padding: 8px 12px; border-bottom: 2px solid var(--c-border); }
.data-table td { padding: 10px 12px; border-bottom: 1px solid var(--c-border); font-size: .875rem; }
.data-table tr:hover td { background: var(--c-light); }

.block-loading, .block-empty { padding: 24px 0; color: var(--c-grey); font-size: .875rem; display: flex; align-items: center; gap: 10px; }

.spinner { width: 18px; height: 18px; border: 2px solid rgba(0,0,0,.12); border-top-color: var(--c-red); border-radius: 50%; animation: spin .6s linear infinite; flex-shrink: 0; }
.spinner--white { border-color: rgba(255,255,255,.3); border-top-color: var(--c-white); }
@keyframes spin { to { transform: rotate(360deg); } }

/* MODAL */
.modal-overlay { position: fixed; inset: 0; z-index: 200; background: rgba(15,17,23,.6); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; padding: 24px; }
.modal-overlay[hidden] { display: none; }
.modal { background: var(--c-white); border-radius: 12px; padding: 36px; max-width: 460px; width: 100%; position: relative; box-shadow: 0 24px 64px rgba(0,0,0,.25); }
.modal__close { position: absolute; top: 14px; right: 14px; color: var(--c-grey); padding: 6px; transition: color var(--transition); }
.modal__close:hover { color: var(--c-red); }
.modal__title { font-family: var(--f-display); font-size: 1.4rem; text-transform: uppercase; margin-bottom: 6px; }
.modal__sub { color: var(--c-grey); font-size: .875rem; margin-bottom: 26px; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .78rem; font-weight: 600; margin-bottom: 6px; color: var(--c-dark); letter-spacing: .03em; text-transform: uppercase; }
.form-group input, .form-group textarea { width: 100%; padding: 11px 14px; border: 1.5px solid var(--c-border); border-radius: var(--radius); outline: none; transition: border-color var(--transition); font-size: .95rem; color: var(--c-dark); background: var(--c-white); }
.form-group input:focus, .form-group textarea:focus { border-color: var(--c-red); }
.form-group input.error, .form-group textarea.error { border-color: #e74c3c; }
.form-error { display: block; font-size: .76rem; color: #e74c3c; margin-top: 4px; min-height: 14px; }
.form-submit { width: 100%; justify-content: center; margin-top: 6px; }
.form-status { margin-top: 14px; padding: 12px 16px; border-radius: var(--radius); font-size: .875rem; text-align: center; }
.form-status--ok { background: #d4edda; color: #155724; }
.form-status--err { background: #f8d7da; color: #721c24; }

.footer { background: var(--c-dark); padding: 48px 0 0; }
.footer__inner { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; align-items: start; }
.footer__nav, .footer__contacts { display: flex; flex-direction: column; gap: 12px; }
.footer__nav a, .footer__contacts a { color: rgba(255,255,255,.6); font-size: .875rem; transition: color var(--transition); }
.footer__nav a:hover, .footer__contacts a:hover { color: var(--c-white); }
.footer__contacts span { color: rgba(255,255,255,.35); font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; margin-top: 4px; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 16px 0; font-size: .8rem; color: rgba(255,255,255,.3); }

@media (max-width: 900px) {
  .about-split, .partners-page { grid-template-columns: 1fr; }
  .about-split__img { order: -1; }
  .about-split__img img { height: 240px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-gallery { position: static; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .header__contacts { display: none; }
  .nav { display: none; flex-direction: column; align-items: stretch; position: fixed; inset: var(--header-total-h, var(--header-h)) 0 0 0; background: var(--c-white); padding: 24px; overflow-y: auto; gap: 4px; }
  .nav.open { display: flex; }
  .nav__sub { position: static; box-shadow: none; border: none; padding: 4px 0 4px 16px; }
  .nav__dropdown:hover .nav__sub { display: none; }
  .nav__dropdown.open .nav__sub { display: block; }
  .burger { display: flex; }
  .footer__inner { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .hero { min-height: 440px; }
  .modal { padding: 26px 18px; }
}