/* CATALOG — B2B technical */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--color-text); text-decoration: none; transition: color .2s ease; }
button { font-family: inherit; }
ul { list-style: none; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 18px; border-radius: 4px; font-weight: 600; font-size: 0.88rem; cursor: pointer; border: 1.5px solid transparent; transition: all .2s ease; }
.btn-sm { padding: 7px 12px; font-size: 0.78rem; }
.btn-large { padding: 13px 26px; font-size: 0.96rem; }
.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-primary:hover { filter: brightness(1.1); }
.btn-accent { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.btn-accent:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-outline-white { background: transparent; color: #fff; border-color: rgba(255,255,255,0.6); }
.btn-outline-white:hover { background: rgba(255,255,255,0.15); }

/* Top strip */
.top-strip { background: var(--color-primary); color: rgba(255,255,255,0.85); padding: 8px 0; font-size: 0.8rem; }
.top-strip-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.top-strip-left { display: flex; gap: 20px; }
.top-strip-left a { color: inherit; }
.top-strip-left a:hover { color: var(--color-accent); }
.top-strip-right { display: flex; align-items: center; gap: 16px; }
.top-strip-right a { display: inline-flex; width: 22px; height: 22px; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,0.2); border-radius: 4px; font-size: 0.66rem; color: inherit; }
.top-strip-right a:hover { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
@media (max-width: 700px) { .top-strip-left a:nth-child(2), .top-strip-right span { display: none; } }

/* Header */
.topbar { background: var(--color-bg-white); border-bottom: 1px solid var(--color-border); padding: 16px 0; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 6px -3px rgba(0,0,0,0.08); }
.topbar-inner { display: flex; align-items: center; gap: 24px; }
.logo { font-weight: 800; font-size: 1.35rem; color: var(--color-primary); letter-spacing: -0.02em; flex-shrink: 0; }
.search-bar { flex: 1; max-width: 520px; position: relative; }
.search-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); font-size: 0.92rem; }
.search-bar input { width: 100%; padding: 11px 14px 11px 40px; background: var(--color-background); border: 1px solid var(--color-border); border-radius: 4px; font-family: inherit; font-size: 0.94rem; }
.search-bar input:focus { outline: none; border-color: var(--color-primary); background: #fff; }
.topbar-actions { display: flex; align-items: center; gap: 16px; }
.header-phone-cat { display: flex; flex-direction: column; line-height: 1.2; }
.header-phone-cat strong { color: var(--color-primary); font-size: 1rem; }
.header-phone-cat span { font-size: 0.74rem; color: var(--color-text-soft); }
.hamburger { display: none; background: transparent; border: 0; cursor: pointer; }
.hamburger span { display: block; width: 22px; height: 1.6px; background: var(--color-text); margin: 5px 0; }
@media (max-width: 980px) {
  .search-bar { display: none; }
  .header-phone-cat { display: none; }
}
@media (max-width: 720px) {
  .topbar-actions .btn { padding: 7px 12px; font-size: 0.78rem; }
}

/* Nav bar */
.nav-bar { background: var(--color-primary); position: sticky; top: 0; z-index: 90; }
.nav-bar-inner ul { display: flex; gap: 6px; }
.nav-bar-inner li { position: relative; }
.nav-bar-inner a { display: block; padding: 13px 18px; color: rgba(255,255,255,0.9); font-size: 0.9rem; font-weight: 500; transition: all .2s ease; }
.nav-bar-inner a:hover { background: var(--color-secondary); color: #fff; }
@media (max-width: 720px) { .nav-bar-inner ul { display: none; } }

/* Hero */
.hero { background: linear-gradient(120deg, var(--color-primary), var(--color-secondary)); color: #fff; padding: 70px 0 80px; }
.hero-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 50px; align-items: center; }
.hero-tag { display: inline-block; padding: 5px 14px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2); border-radius: 4px; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 18px; }
.hero h1 { font-size: clamp(2rem, 4.4vw, 3.2rem); font-weight: 800; line-height: 1.1; margin-bottom: 16px; color: #fff; }
.hero .lead { font-size: clamp(1rem, 1.5vw, 1.18rem); color: rgba(255,255,255,0.88); margin-bottom: 28px; max-width: 540px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-visual { position: relative; min-height: 280px; }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; border-radius: 8px; }
.hero-shapes { position: relative; width: 100%; aspect-ratio: 1; }
.hero-shape { position: absolute; border-radius: 8px; }
.hero-shape-1 { width: 60%; height: 60%; background: var(--color-accent); top: 0; right: 0; opacity: 0.85; }
.hero-shape-2 { width: 50%; height: 50%; background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.35); bottom: 0; left: 0; }
.hero-shape-3 { width: 30%; height: 30%; background: var(--color-accent); top: 30%; left: 35%; border-radius: 50%; opacity: 0.7; }
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .hero-visual { display: none; }
}

/* Sections */
.section { padding: 70px 0; }
.section-head { margin-bottom: 40px; }
.section-head-row { display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.section-head h2 { font-size: clamp(1.6rem, 3.2vw, 2.1rem); font-weight: 700; margin: 0 0 6px; color: var(--color-primary); }
.section-head .section-sub { color: var(--color-text-soft); font-size: 1rem; margin: 0; }
.eyebrow { display: inline-block; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-accent); margin-bottom: 8px; }
.view-toggle { display: flex; gap: 4px; }
.view-btn { padding: 8px 14px; background: var(--color-bg-white); border: 1px solid var(--color-border); border-radius: 4px; cursor: pointer; font-size: 1rem; color: var(--color-text-soft); }
.view-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* Categories */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 1000px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .cat-grid { grid-template-columns: 1fr; } }
.cat-card { display: flex; align-items: center; gap: 14px; padding: 18px; background: var(--color-bg-white); border: 1px solid var(--color-border); border-radius: 6px; transition: all .2s ease; }
.cat-card:hover { border-color: var(--color-primary); transform: translateY(-2px); box-shadow: 0 8px 18px -10px rgba(30,58,95,0.18); }
.cat-icon { width: 42px; height: 42px; border-radius: 6px; background: color-mix(in srgb, var(--color-primary) 10%, white); color: var(--color-primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.cat-icon svg { width: 22px; height: 22px; stroke: currentColor; fill: none; }
.cat-text strong { display: block; font-weight: 700; color: var(--color-primary); font-size: 0.96rem; }
.cat-text span { display: block; font-size: 0.82rem; color: var(--color-text-soft); margin-top: 2px; -webkit-line-clamp: 1; display: -webkit-box; -webkit-box-orient: vertical; overflow: hidden; }

/* Products */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 980px) { .products-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .products-grid { grid-template-columns: 1fr; } }
body.list-view .products-grid { grid-template-columns: 1fr; }
body.list-view .product-card { display: grid; grid-template-columns: 220px 1fr; gap: 18px; }
body.list-view .product-img { aspect-ratio: auto; height: 100%; }

.product-card { background: var(--color-bg-white); border: 1px solid var(--color-border); border-radius: 6px; overflow: hidden; transition: all .25s ease; }
.product-card:hover { transform: translateY(-3px); box-shadow: 0 16px 28px -16px rgba(30,58,95,0.18); border-color: var(--color-primary); }
.product-img { aspect-ratio: 4 / 3; background-size: cover; background-position: center; background-color: var(--color-background); position: relative; }
.product-badge { position: absolute; top: 10px; left: 10px; padding: 4px 10px; background: var(--color-accent); color: #fff; font-size: 0.7rem; font-weight: 700; border-radius: 3px; letter-spacing: 0.04em; }
.avail-badge { position: absolute; top: 10px; right: 10px; padding: 4px 10px; background: #fff; color: var(--color-text); font-size: 0.7rem; font-weight: 600; border-radius: 3px; }
.avail-stock { color: #27ae60; }
.avail-order { color: var(--color-accent); }
.product-body { padding: 16px 18px; }
.product-code { font-family: monospace; font-size: 0.78rem; color: var(--color-text-soft); margin-bottom: 4px; letter-spacing: 0.05em; }
.product-body h3 { font-size: 1.04rem; font-weight: 700; color: var(--color-primary); margin-bottom: 10px; }
.product-specs { padding: 10px 0; border-top: 1px dashed var(--color-border); border-bottom: 1px dashed var(--color-border); display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.spec-row { display: flex; gap: 8px; font-size: 0.8rem; line-height: 1.4; }
.spec-key { color: var(--color-text-soft); white-space: nowrap; flex-shrink: 0; min-width: 56px; }
.spec-val { color: var(--color-text); flex: 1; }
.product-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.product-price { font-weight: 700; color: var(--color-accent); font-size: 1rem; }
.product-actions { display: flex; gap: 6px; }

/* Features */
.section-features { background: var(--color-bg-white); }
.features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
@media (max-width: 760px) { .features-grid { grid-template-columns: 1fr; } }
.feature-row { display: flex; gap: 18px; padding: 24px; background: var(--color-background); border-radius: 6px; }
.feature-icon { width: 50px; height: 50px; border-radius: 6px; background: var(--color-primary); color: #fff; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.feature-icon svg { width: 24px; height: 24px; stroke: currentColor; fill: none; }
.feature-row h3 { font-size: 1.08rem; color: var(--color-primary); margin-bottom: 6px; }
.feature-row p { font-size: 0.92rem; color: var(--color-text-soft); line-height: 1.6; }

/* About */
.section-about { background: var(--color-background); }
.about-content { display: grid; grid-template-columns: 1.4fr 1fr; gap: 50px; align-items: center; }
.about-text p { color: var(--color-text); margin-bottom: 14px; line-height: 1.7; }
.certs { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--color-border); }
.cert-badge { padding: 6px 14px; background: #fff; border: 1px solid var(--color-border); color: var(--color-primary); font-size: 0.78rem; font-weight: 700; border-radius: 3px; letter-spacing: 0.04em; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.stat-block { background: #fff; padding: 24px 20px; border-radius: 6px; border-left: 3px solid var(--color-accent); }
.stat-block strong { display: block; font-size: 1.8rem; font-weight: 800; color: var(--color-primary); line-height: 1; }
.stat-block span { display: block; font-size: 0.82rem; color: var(--color-text-soft); margin-top: 4px; }
@media (max-width: 900px) { .about-content { grid-template-columns: 1fr; gap: 32px; } }

/* Testimonials */
.section-testimonials { background: var(--color-bg-white); }
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .testi-grid { grid-template-columns: 1fr; } }
.testi-card { background: var(--color-background); padding: 24px; border-radius: 6px; border-top: 3px solid var(--color-primary); }
.testi-logo { color: var(--color-accent); font-size: 1.6rem; margin-bottom: 8px; }
.testi-text { color: var(--color-text); font-size: 0.95rem; line-height: 1.65; margin-bottom: 16px; min-height: 80px; }
.testi-meta strong { display: block; color: var(--color-primary); font-size: 0.94rem; }
.testi-meta span { display: block; font-size: 0.82rem; color: var(--color-text-soft); }

/* Offer form */
.section-offer { background: var(--color-background); }
.offer-form { max-width: 820px; margin: 0 auto; background: var(--color-bg-white); padding: 36px; border-radius: 6px; border: 1px solid var(--color-border); display: flex; flex-direction: column; gap: 14px; box-shadow: 0 10px 24px -16px rgba(0,0,0,0.1); }
.offer-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field span { font-size: 0.78rem; font-weight: 600; color: var(--color-text-soft); }
.field input, .field textarea { padding: 11px 13px; border: 1.5px solid var(--color-border); border-radius: 4px; font-family: inherit; font-size: 0.94rem; background: #fff; transition: border-color .2s ease; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--color-primary); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-status { font-size: 0.92rem; text-align: center; min-height: 1.2em; }
.form-status.success { color: #27ae60; }
.form-status.error { color: #c0392b; }
.offer-form .btn-large { align-self: center; margin-top: 8px; }
@media (max-width: 640px) { .offer-row { grid-template-columns: 1fr; } .offer-form { padding: 22px; } }

/* Contact */
.section-contact { background: var(--color-bg-white); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-info h2 { color: var(--color-primary); margin-bottom: 22px; }
.contact-item { padding: 12px 0; border-bottom: 1px solid var(--color-border); }
.contact-item:last-of-type { border-bottom: 0; }
.contact-item strong { display: block; font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-soft); margin-bottom: 4px; }
.contact-item a, .contact-item span { color: var(--color-text); font-size: 1rem; }
.contact-item a:hover { color: var(--color-accent); }
.contact-map { margin-top: 18px; border-radius: 6px; overflow: hidden; border: 1px solid var(--color-border); }
.contact-quick { background: var(--color-background); padding: 28px; border-radius: 6px; }
.contact-quick h3 { color: var(--color-primary); margin-bottom: 14px; }
.quick-form { display: flex; flex-direction: column; gap: 12px; }
.quick-form .btn { align-self: flex-start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

/* Footer */
.site-footer { background: var(--color-primary); color: rgba(255,255,255,0.7); padding: 56px 0 0; margin-top: 30px; }
.footer-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 32px; padding-bottom: 48px; }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.9rem; margin: 10px 0 14px; line-height: 1.7; }
.footer-logo { color: #fff; font-weight: 800; font-size: 1.2rem; display: inline-block; }
.footer-col h4 { color: #fff; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 14px; }
.footer-col a, .footer-col span { display: block; color: rgba(255,255,255,0.65); font-size: 0.88rem; margin-bottom: 8px; }
.footer-col a:hover { color: var(--color-accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; text-align: center; }
.copyright { color: rgba(255,255,255,0.5); font-size: 0.82rem; }
@media (max-width: 900px) { .footer-inner { grid-template-columns: 1fr 1fr; gap: 28px; } }
@media (max-width: 540px) { .footer-inner { grid-template-columns: 1fr; } }

/* Reveal */
.reveal { transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }