:root{
  --container: 1240px;
  --text: #161616;
  --muted: #666;
  --line: #e7e7e7;
  --bg: #ffffff;
  --bg-soft: #f6f6f6;
  --bg-gray: #efefef;
  --bg-dark: #0d0d0d;
  --primary: #0057ff;
  --primary-dark: #0045cc;
  --white: #ffffff;
  --radius: 18px;
  --shadow: 0 16px 40px rgba(0,0,0,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Arial, Helvetica, sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.5;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{
  width:min(var(--container), calc(100% - 32px));
  margin:0 auto;
}
.section{
  padding:72px 0;
}
.section-head{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-kicker{
  display:inline-block;
  font-size:12px;
  line-height:1;
  text-transform:uppercase;
  letter-spacing:.12em;
  color:var(--primary);
  font-weight:700;
  margin-bottom:12px;
}
.section-kicker-light{
  color:#fff;
}
.section-link{
  color:var(--primary);
  font-weight:700;
}
h1,h2,h3,h4{
  margin:0 0 14px;
  line-height:1.1;
}
h1{font-size:56px}
h2{font-size:38px}
h3{font-size:24px}
p{margin:0 0 14px}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:0 20px;
  border-radius:12px;
  border:1px solid transparent;
  font-weight:700;
  cursor:pointer;
  transition:.2s ease;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
}
.btn-primary:hover{
  background:var(--primary-dark);
}
.btn-secondary{
  background:#fff;
  border-color:#dcdcdc;
  color:var(--text);
}
.btn-outline-light{
  background:transparent;
  border-color:rgba(255,255,255,.55);
  color:#fff;
}
.btn-small{
  min-height:42px;
  padding:0 16px;
}
.btn-full{
  width:100%;
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:84px;
}
.site-logo img{
  height:34px;
  width:auto;
}
.site-nav{
  display:flex;
  align-items:center;
  gap:26px;
}
.site-nav a{
  font-weight:600;
  color:#202020;
}
.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
}
.burger{
  display:none;
  width:44px;
  height:44px;
  border:0;
  background:transparent;
  padding:0;
  cursor:pointer;
}
.burger span{
  display:block;
  width:22px;
  height:2px;
  background:#111;
  margin:4px auto;
}

/* Hero */
.hero{
  position:relative;
  background:#fff;
}
.hero-slider{
  position:relative;
  overflow:hidden;
}
.hero-slide{
  display:none;
  min-height:650px;
  background-size:cover;
  background-position:center;
  position:relative;
}
.hero-slide::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg, rgba(0,0,0,.52) 0%, rgba(0,0,0,.28) 36%, rgba(0,0,0,.08) 100%);
}
.hero-slide.is-active{
  display:block;
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr 1fr;
  min-height:650px;
  align-items:center;
}
.hero-content{
  color:#fff;
  max-width:620px;
}
.hero-content p{
  font-size:18px;
  color:rgba(255,255,255,.92);
}
.eyebrow{
  display:inline-block;
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:.12em;
  font-weight:700;
  margin-bottom:16px;
  color:#fff;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:18px;
}
.hero-dots{
  position:absolute;
  left:50%;
  bottom:28px;
  transform:translateX(-50%);
  display:flex;
  gap:10px;
  z-index:4;
}
.hero-dot{
  width:12px;
  height:12px;
  border-radius:50%;
  border:0;
  background:rgba(255,255,255,.45);
  cursor:pointer;
}
.hero-dot.is-active{
  background:#fff;
}

/* News */
.section-news{
  background:#fff;
}
.news-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
}
.news-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.news-image-wrap{
  display:block;
  aspect-ratio:16/10;
  background:#f3f3f3;
}
.news-image{
  width:100%;
  height:100%;
  object-fit:cover;
}
.news-body{
  padding:20px;
}
.news-meta{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--muted);
  margin-bottom:10px;
}
.news-category{
  font-weight:700;
  color:var(--primary);
}
.news-title{
  font-size:22px;
  margin-bottom:10px;
}
.news-excerpt{
  color:var(--muted);
  min-height:72px;
}
.news-link{
  display:inline-block;
  margin-top:8px;
  font-weight:700;
  color:var(--primary);
}

/* Info strip */
.info-strip{
  background:var(--bg-gray);
  padding:22px 0;
  border-top:1px solid #ddd;
  border-bottom:1px solid #ddd;
}
.info-strip-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:20px;
}
.info-strip-item strong{
  display:block;
  font-size:18px;
  margin-bottom:4px;
}
.info-strip-item span{
  color:var(--muted);
}

/* Promo split */
.split-grid{
  display:grid;
  grid-template-columns:1fr 2fr;
  gap:24px;
}
.promo-card{
  position:relative;
  min-height:360px;
  background-size:cover;
  background-position:center;
  border-radius:22px;
  overflow:hidden;
}
.promo-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(0,0,0,.10), rgba(0,0,0,.58));
}
.promo-overlay{
  position:absolute;
  left:24px;
  right:24px;
  bottom:24px;
  z-index:2;
  color:#fff;
}
.promo-overlay p{
  color:rgba(255,255,255,.9);
}

/* Product bands */
.section-product-band{
  background:#fff;
}
.section-product-band-alt{
  background:#fafafa;
}
.product-band{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:36px;
  align-items:center;
}
.product-band-media{
  background:#f5f7fb;
  border:1px solid #e5e8ef;
  border-radius:22px;
  padding:28px;
}
.product-band-media img{
  width:100%;
  max-height:420px;
  object-fit:contain;
}
.product-band-content p{
  color:var(--muted);
  max-width:560px;
}

/* Industries */
.section-industries{
  background:#fff;
}
.industries-row{
  display:grid;
  grid-template-columns:repeat(5, 1fr);
  gap:18px;
}
.industry-card{
  min-height:280px;
  border-radius:20px;
  overflow:hidden;
  position:relative;
  background-size:cover;
  background-position:center;
  display:flex;
  align-items:end;
  padding:20px;
}
.industry-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(0,0,0,.06), rgba(0,0,0,.5));
}
.industry-card span{
  position:relative;
  z-index:2;
  color:#fff;
  font-size:22px;
  font-weight:700;
}

/* Quote */
.section-quote{
  background:#f7f7f7;
}
.quote-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:30px;
  align-items:start;
}
.quote-copy p{
  color:var(--muted);
  max-width:540px;
}
.quote-form{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  padding:24px;
  box-shadow:var(--shadow);
}
.form-row{
  margin-bottom:14px;
}
.quote-form input,
.quote-form textarea{
  width:100%;
  border:1px solid #dcdcdc;
  border-radius:12px;
  min-height:50px;
  padding:14px 16px;
  font:inherit;
}
.quote-form textarea{
  min-height:130px;
  resize:vertical;
}

/* Footer */
.site-footer{
  background:#0a0a0a;
  color:#fff;
  padding-top:54px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr 1fr;
  gap:28px;
  padding-bottom:36px;
}
.footer-col h4{
  color:#fff;
  margin-bottom:16px;
}
.footer-col p,
.footer-col li,
.footer-col a{
  color:rgba(255,255,255,.78);
}
.footer-col ul{
  list-style:none;
  margin:0;
  padding:0;
}
.footer-col li{
  margin-bottom:10px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0;
  color:rgba(255,255,255,.66);
  font-size:14px;
}

/* Responsive */
@media (max-width: 1100px){
  h1{font-size:44px}
  h2{font-size:32px}
  .news-grid,
  .industries-row{
    grid-template-columns:repeat(2, 1fr);
  }
  .footer-grid{
    grid-template-columns:repeat(2, 1fr);
  }
}

@media (max-width: 860px){
  .site-nav{
    display:none;
    position:absolute;
    top:84px;
    left:0;
    right:0;
    background:#fff;
    border-bottom:1px solid var(--line);
    flex-direction:column;
    align-items:flex-start;
    padding:20px 16px;
    gap:14px;
  }
  .site-nav.is-open{
    display:flex;
  }
  .burger{
    display:block;
  }
  .header-actions .btn-small{
    display:none;
  }
  .hero-grid,
  .product-band,
  .quote-grid,
  .split-grid{
    grid-template-columns:1fr;
  }
  .hero-slide,
  .hero-grid{
    min-height:560px;
  }
  .hero-slide::before{
    background:linear-gradient(180deg, rgba(0,0,0,.56) 0%, rgba(0,0,0,.38) 55%, rgba(0,0,0,.22) 100%);
  }
  .news-grid,
  .info-strip-grid,
  .industries-row,
  .footer-grid{
    grid-template-columns:1fr;
  }
}

@media (max-width: 560px){
  .container{
    width:min(var(--container), calc(100% - 20px));
  }
  .section{
    padding:54px 0;
  }
  h1{font-size:34px}
  h2{font-size:28px}
  h3{font-size:22px}
  .hero-content p{
    font-size:16px;
  }
  .hero-actions{
    flex-direction:column;
  }
  .btn,
  .btn-primary,
  .btn-secondary,
  .btn-outline-light{
    width:100%;
  }
  .info-strip{
    padding:18px 0;
  }
}

/* Products hero */
.section-products-hero{
  padding:80px 0 40px;
  background:#fff;
}
.section-products-hero .lead{
  font-size:18px;
  color:var(--muted);
  max-width:720px;
}

/* Product list */
.section-products-list{
  padding-top:30px;
}

.product-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
  margin-bottom:80px;
  padding:40px;
  border-radius:22px;
  transition:.3s ease;
}

/* hover эффект как у DURABOOK */
.product-row:hover{
  background:#0057ff;
  color:#fff;
  transform:translateY(-4px);
  box-shadow:0 20px 50px rgba(0,0,0,.15);
}

.product-row:hover p{
  color:rgba(255,255,255,.85);
}

.product-row:hover .btn{
  background:#fff;
  color:#0057ff;
}

/* reverse */
.product-row.reverse{
  direction:rtl;
}
.product-row.reverse .product-content{
  direction:ltr;
}

/* image */
.product-image{
  background:#f4f6fb;
  border-radius:18px;
  padding:30px;
  display:flex;
  align-items:center;
  justify-content:center;
}

.product-image img{
  max-height:320px;
  object-fit:contain;
}

/* content */
.product-content h2{
  font-size:34px;
}
.product-content p{
  color:var(--muted);
  margin-bottom:20px;
}

/* responsive */
@media (max-width: 860px){
  .product-row{
    grid-template-columns:1fr;
    padding:24px;
  }
  .product-row.reverse{
    direction:ltr;
  }
}

.products-hero-dark{
  background:#0b0b0b;
  color:#fff;
  padding:64px 0;
}

.products-hero-dark-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:40px;
  align-items:center;
  min-height:420px;
}

.products-hero-dark-content h1{
  margin-bottom:18px;
  color:#fff;
}

.products-hero-dark-content p{
  font-size:18px;
  color:rgba(255,255,255,.82);
  max-width:640px;
  margin-bottom:24px;
}

.products-hero-dark-media{
  display:flex;
  align-items:center;
  justify-content:center;
}

.products-hero-dark-media img{
  width:100%;
  max-width:520px;
  max-height:340px;
  object-fit:contain;
  filter:drop-shadow(0 20px 40px rgba(0,0,0,.45));
}

.section-kicker-light{
  color:#fff;
}

@media (max-width: 860px){
  .products-hero-dark{
    padding:46px 0;
  }

  .products-hero-dark-grid{
    grid-template-columns:1fr;
    gap:24px;
    min-height:auto;
  }

  .products-hero-dark-content p{
    font-size:16px;
  }

  .products-hero-dark-media img{
    max-width:100%;
    max-height:260px;
  }
}

/* PRODUCT HERO */
.product-hero{
  background:#0b0b0b;
  color:#fff;
  padding:80px 0;
}
.product-hero-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
}
.product-hero-image img{
  max-height:400px;
  object-fit:contain;
}

/* OVERVIEW */
.product-overview{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
}

/* FEATURES GRID */
.features-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.feature-card{
  padding:20px;
  border:1px solid #eee;
  border-radius:16px;
  text-align:center;
}

/* FEATURE BLOCK */
.feature-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
}
.feature-block.alt{
  background:#fafafa;
}

/* GALLERY */
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
}
.gallery-grid img{
  border-radius:12px;
}

/* SPECS */
.specs-table{
  margin-top:20px;
}
.specs-table div{
  display:flex;
  justify-content:space-between;
  padding:12px 0;
  border-bottom:1px solid #eee;
}

/* RESPONSIVE */
@media(max-width:860px){
  .product-hero-grid,
  .product-overview,
  .feature-grid{
    grid-template-columns:1fr;
  }
  .features-grid{
    grid-template-columns:1fr 1fr;
  }
  .gallery-grid{
    grid-template-columns:1fr 1fr;
  }
}

.section-products-catalog {
  padding: 56px 0;
}

.catalog-group + .catalog-group {
  margin-top: 56px;
}

.catalog-group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.catalog-group-head h2 {
  margin: 0;
  font-size: 32px;
  line-height: 1.15;
}

.catalog-group-link {
  color: #111;
  text-decoration: none;
  font-weight: 600;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.catalog-card {
  background: #fff;
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 20px;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  height: 100%;
}

.catalog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,.10);
  border-color: rgba(0,0,0,.14);
}

.catalog-card-image {
  display: block;
  aspect-ratio: 4 / 3;
  background: #f5f5f5;
}

.catalog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  padding: 20px;
}

.catalog-card-body {
  padding: 20px;
}

.catalog-card-body h3 {
  margin: 0 0 12px;
  font-size: 22px;
  line-height: 1.2;
}

.catalog-card-body h3 a {
  color: inherit;
  text-decoration: none;
}

.catalog-card-body p {
  margin: 0 0 18px;
  color: #555;
  line-height: 1.55;
  min-height: 72px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid #111;
  border-radius: 999px;
  color: #111;
  text-decoration: none;
  font-weight: 600;
  transition: all .25s ease;
}

.btn-outline:hover {
  background: #111;
  color: #fff;
}

.catalog-empty {
  padding: 32px;
  border-radius: 18px;
  background: #f7f7f7;
  color: #444;
}

.product-row-hover {
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  border-radius: 24px;
}

.product-row-hover:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 38px rgba(0,0,0,.08);
}

.product-row-hover .product-image,
.product-row-hover .product-content {
  transition: transform .25s ease;
}

.product-row-hover:hover .product-image {
  transform: translateX(6px);
}

.product-row-hover.reverse:hover .product-image {
  transform: translateX(-6px);
}

.product-row-hover:hover .product-content {
  transform: translateX(-6px);
}

.product-row-hover.reverse:hover .product-content {
  transform: translateX(6px);
}

@media (max-width: 1199px) {
  .catalog-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 991px) {
  .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-group-head h2 {
    font-size: 28px;
  }
}

@media (max-width: 767px) {
  .catalog-grid {
    grid-template-columns: 1fr;
  }

  .catalog-group-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .catalog-card-body h3 {
    font-size: 20px;
  }

  .catalog-card-body p {
    min-height: auto;
  }
}

.form-message{
  margin-top:14px;
  padding:12px 14px;
  border-radius:10px;
  font-size:14px;
  line-height:1.5;
}

.form-message.is-success{
  display:block;
  background:#ecfdf3;
  border:1px solid #a7f3d0;
  color:#166534;
}

.form-message.is-error{
  display:block;
  background:#fef2f2;
  border:1px solid #fecaca;
  color:#991b1b;
}