:root {
  --ink: #10262d;
  --ink-deep: #071a21;
  --ink-soft: #344c54;
  --paper: #f7f5ef;
  --paper-2: #eceeea;
  --white: #fff;
  --accent: #f2c94c;
  --accent-deep: #d7aa23;
  --line: rgba(16, 38, 45, .15);
  --radius: 26px;
  --shadow: 0 18px 60px rgba(9, 30, 37, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.section { padding: 120px 0; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 999; padding: 12px 18px; background: var(--accent); color: var(--ink-deep); font-weight: 800; border-radius: 10px; }
.skip-link:focus { top: 16px; }
.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; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 50; color: var(--white); border-bottom: 1px solid rgba(255,255,255,.16); transition: .3s ease; }
.site-header.is-scrolled { background: rgba(7, 26, 33, .94); border-bottom-color: rgba(255,255,255,.08); backdrop-filter: blur(14px); box-shadow: 0 10px 35px rgba(0,0,0,.12); }
.nav-shell { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.brand { display: inline-flex; align-items: center; gap: 13px; text-decoration: none; line-height: 1.1; }
.brand-logo { width: 92px; height: 62px; flex: 0 0 92px; display: block; }
.brand-logo img { width: 100%; height: 100%; object-fit: contain; }
.brand-copy { display: flex; flex-direction: column; letter-spacing: .055em; }
.brand-copy strong { font-size: 15px; }
.brand-copy small { margin-top: 5px; color: rgba(255,255,255,.66); font-size: 10px; letter-spacing: .16em; }
.main-nav { display: flex; align-items: center; gap: 22px; }
.main-nav a { position: relative; color: rgba(255,255,255,.86); font-size: 13px; font-weight: 750; letter-spacing: .035em; text-decoration: none; }
.main-nav a:not(.nav-contact)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: var(--accent); transition: right .25s ease; }
.main-nav a:hover::after, .main-nav a:focus-visible::after { right: 0; }
.nav-contact { padding: 11px 18px; color: var(--ink-deep) !important; background: var(--accent); border-radius: 999px; }
.menu-toggle { display: none; width: 45px; height: 45px; padding: 11px; color: inherit; background: transparent; border: 1px solid rgba(255,255,255,.28); border-radius: 50%; }
.menu-toggle > span:not(.sr-only) { display: block; height: 2px; margin: 4px 0; background: currentColor; transition: .25s ease; }

.hero { position: relative; min-height: 850px; height: 100svh; max-height: 1050px; overflow: hidden; color: var(--white); background: var(--ink-deep); }
.hero-photo, .hero-shade { position: absolute; inset: 0; }
.hero-photo { background: url('/assets/produkt-l20.jpg') center 58% / cover no-repeat; transform: scale(1.025); animation: heroZoom 16s ease-out both; }
.hero-shade { background: linear-gradient(90deg, rgba(5,24,31,.96) 0%, rgba(5,24,31,.82) 42%, rgba(5,24,31,.23) 76%), linear-gradient(0deg, rgba(4,18,24,.88), transparent 48%); }
.hero-grid { position: relative; z-index: 2; height: calc(100% - 126px); padding-top: 130px; display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(290px, .7fr); align-items: center; gap: 90px; }
.hero-content { max-width: 760px; }
.eyebrow { margin: 0 0 22px; display: flex; align-items: center; gap: 12px; color: var(--accent); font-size: 11px; font-weight: 850; letter-spacing: .19em; text-transform: uppercase; }
.eyebrow span { width: 38px; height: 2px; background: currentColor; }
.eyebrow.dark { color: #6a7c7f; }
.eyebrow.light { color: #95bfc2; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 400; letter-spacing: -.035em; }
h1 { max-width: 780px; margin-bottom: 24px; font-size: clamp(58px, 7.8vw, 116px); line-height: .88; }
h1 em, h2 em { color: var(--accent); font-style: italic; font-weight: 400; }
.hero-lead { max-width: 680px; margin-bottom: 36px; color: rgba(255,255,255,.76); font-size: clamp(17px, 1.5vw, 21px); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; min-height: 52px; padding: 13px 23px; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 999px; font-size: 13px; font-weight: 850; letter-spacing: .02em; text-decoration: none; transition: transform .22s ease, box-shadow .22s ease, background .22s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--ink-deep); background: var(--accent); box-shadow: 0 12px 32px rgba(242,201,76,.2); }
.button-primary:hover { background: #ffdc6b; }
.button-ghost { color: var(--white); border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.06); backdrop-filter: blur(8px); }
.hero-card { align-self: end; margin-bottom: 85px; padding: 30px; border: 1px solid rgba(255,255,255,.22); border-radius: var(--radius); background: rgba(9,30,37,.55); backdrop-filter: blur(18px); box-shadow: 0 24px 70px rgba(0,0,0,.24); }
.hero-card-label { display: block; margin-bottom: 16px; color: var(--accent); font-size: 10px; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.hero-card strong { display: block; font-family: Georgia, serif; font-size: 29px; font-weight: 400; line-height: 1.15; }
.hero-card p { margin: 15px 0 22px; color: rgba(255,255,255,.68); font-size: 14px; }
.hero-card a { color: var(--white); font-size: 13px; font-weight: 750; text-decoration-color: var(--accent); text-underline-offset: 5px; }
.hero-card a span { color: var(--accent); }
.hero-stats { position: absolute; z-index: 3; inset: auto 0 0; min-height: 126px; border-top: 1px solid rgba(255,255,255,.16); background: rgba(5,23,30,.65); backdrop-filter: blur(12px); }
.stats-grid { min-height: 126px; display: grid; grid-template-columns: repeat(3, 1fr); }
.stats-grid > div { padding: 28px 38px; display: flex; flex-direction: column; justify-content: center; border-left: 1px solid rgba(255,255,255,.14); }
.stats-grid > div:last-child { border-right: 1px solid rgba(255,255,255,.14); }
.stats-grid strong { color: var(--white); font-family: Georgia, serif; font-size: 28px; font-weight: 400; }
.stats-grid span { color: rgba(255,255,255,.55); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }

.section-heading { max-width: 780px; margin-bottom: 54px; }
h2 { margin-bottom: 20px; font-size: clamp(45px, 5.2vw, 76px); line-height: 1.02; }
.section-heading > p:last-child, .dimensions-copy > p, .logistics-copy > p { max-width: 680px; color: #637277; font-size: 18px; }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 22px; }
.product-card { overflow: hidden; display: flex; flex-direction: column; min-height: 100%; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.72); box-shadow: 0 0 0 rgba(9,30,37,0); transition: transform .3s ease, box-shadow .3s ease; }
.product-card:hover { transform: translateY(-7px); box-shadow: var(--shadow); }
.product-image { position: relative; overflow: hidden; aspect-ratio: 1.32; background: #d9ddd9; }
.product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s cubic-bezier(.2,.7,.2,1), filter .4s ease; }
.product-card:hover .product-image img { transform: scale(1.045); filter: contrast(1.05) saturate(1.05); }
.product-number { position: absolute; left: 18px; bottom: 16px; display: grid; place-items: center; width: 42px; height: 42px; color: var(--ink-deep); background: var(--accent); border-radius: 50%; font-size: 11px; font-weight: 900; }
.product-body { flex: 1; padding: 25px 26px 27px; display: flex; flex-direction: column; }
.product-body h3 { margin-bottom: 8px; font-family: Georgia, serif; font-size: 27px; font-weight: 400; line-height: 1.14; }
.product-body p { margin-bottom: 22px; color: #66767a; font-size: 14px; }
.text-link { margin-top: auto; color: var(--ink-deep); font-size: 12px; font-weight: 900; letter-spacing: .06em; text-decoration: none; text-transform: uppercase; }
.text-link span { color: var(--accent-deep); font-size: 16px; }
.text-link.large { font-size: 13px; }
.product-featured { grid-column: span 2; display: grid; grid-template-columns: 1.25fr .75fr; }
.product-featured .product-image { aspect-ratio: auto; min-height: 360px; }
.product-featured .product-body { justify-content: flex-end; }

.applications { position: relative; overflow: hidden; color: var(--white); background: var(--ink); }
.applications::before { content: ""; position: absolute; width: 650px; height: 650px; right: -300px; top: -250px; border: 80px solid rgba(242,201,76,.07); border-radius: 50%; }
.applications-grid { position: relative; display: grid; grid-template-columns: .78fr 1.22fr; gap: 90px; }
.applications-copy { align-self: center; }
.applications-copy > p:not(.eyebrow) { margin-bottom: 32px; color: rgba(255,255,255,.65); font-size: 18px; }
.button-light { color: var(--ink-deep); background: var(--white); }
.application-list { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid rgba(255,255,255,.16); border-left: 1px solid rgba(255,255,255,.16); }
.application-list article { min-height: 230px; padding: 34px; border-right: 1px solid rgba(255,255,255,.16); border-bottom: 1px solid rgba(255,255,255,.16); }
.application-list span { color: var(--accent); font-size: 11px; font-weight: 900; }
.application-list h3 { margin: 38px 0 8px; font-family: Georgia, serif; font-size: 29px; font-weight: 400; }
.application-list p { margin: 0; color: rgba(255,255,255,.58); font-size: 14px; }

.dimensions { background: #eef0ec; }
.dimensions-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; align-items: start; }
.dimensions-copy { position: sticky; top: 120px; }
.dimension-note { margin-top: 38px; padding: 24px; border-left: 4px solid var(--accent); background: rgba(255,255,255,.7); }
.dimension-note strong { font-family: Georgia, serif; font-size: 21px; font-weight: 400; }
.dimension-note p { margin: 6px 0 0; color: #657478; font-size: 13px; }
.table-wrap { overflow: auto; border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 17px 22px; text-align: left; border-bottom: 1px solid #e5e8e5; }
th { position: sticky; top: 0; color: rgba(255,255,255,.65); background: var(--ink); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
td:first-child { font-weight: 850; }
tbody tr:hover { background: #faf5df; }

.logistics-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 80px; align-items: center; }
.logistics-photo { position: relative; }
.logistics-photo::before { content: ""; position: absolute; inset: 24px -24px -24px 24px; z-index: 0; border: 1px solid #bcc5c2; border-radius: var(--radius); }
.logistics-photo img { position: relative; z-index: 1; width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.check-list { margin: 27px 0 32px; padding: 0; list-style: none; }
.check-list li { position: relative; padding: 11px 0 11px 30px; border-bottom: 1px solid var(--line); }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent-deep); font-weight: 900; }

.contact { position: relative; overflow: hidden; padding: 115px 0; color: var(--white); background: var(--ink-deep); }
.contact-grid { position: relative; z-index: 2; display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: center; }
.contact-copy > p:last-child { max-width: 550px; color: rgba(255,255,255,.62); font-size: 18px; }
.contact-details { border-top: 1px solid rgba(255,255,255,.18); }
.contact-row { padding: 24px 0; display: grid; grid-template-columns: 110px 1fr; gap: 20px; align-items: center; border-bottom: 1px solid rgba(255,255,255,.18); text-decoration: none; }
.contact-row span { color: #8eaaad; font-size: 10px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.contact-row strong { font-family: Georgia, serif; font-size: clamp(20px, 2.15vw, 30px); font-weight: 400; overflow-wrap: anywhere; }
.contact-row:hover strong { color: var(--accent); }
.contact-row div strong { color: inherit; }
.contact-hours { font-size: clamp(18px, 1.7vw, 24px) !important; line-height: 1.5; }
.contact-map { position: relative; grid-column: 1 / -1; overflow: hidden; min-height: 420px; margin-top: 12px; border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius); background: #d9e0dc; box-shadow: 0 22px 70px rgba(0,0,0,.23); }
.contact-map iframe { display: block; width: 100%; height: 420px; border: 0; filter: saturate(.8) contrast(1.03); }
.contact-map > a { position: absolute; right: 18px; bottom: 18px; padding: 12px 18px; color: var(--ink-deep); background: var(--accent); border-radius: 999px; font-size: 12px; font-weight: 850; text-decoration: none; box-shadow: 0 10px 26px rgba(0,0,0,.2); }
.contact-rings { position: absolute; inset: 0; opacity: .1; }
.contact-rings i { position: absolute; display: block; width: 530px; height: 530px; right: -240px; top: -220px; border: 80px solid var(--white); border-radius: 50%; }
.contact-rings i:nth-child(2) { right: auto; left: -360px; top: 160px; width: 620px; height: 620px; }
.contact-rings i:nth-child(3) { right: 29%; top: auto; bottom: -370px; width: 470px; height: 470px; }

.site-footer { padding: 36px 0; color: rgba(255,255,255,.56); background: #041218; font-size: 12px; }
.footer-grid { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 28px; }
.footer-grid > div { display: flex; flex-direction: column; line-height: 1.3; }
.footer-grid > div strong { color: var(--white); font-size: 12px; letter-spacing: .07em; }
.footer-grid > div span { margin-top: 4px; font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.footer-grid p { margin: 0; }
.footer-grid nav { display: flex; justify-content: flex-end; gap: 22px; }
.footer-grid a { text-decoration: none; }
.footer-grid a:hover { color: var(--white); }

.size-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.size-card { position: relative; overflow: hidden; min-height: 250px; padding: 26px 22px 22px; display: flex; flex-direction: column; justify-content: flex-end; border: 1px solid var(--line); border-radius: 22px; background: rgba(255,255,255,.76); transition: transform .28s ease, box-shadow .28s ease, background .28s ease; }
.size-card::before { content: ""; position: absolute; width: 150px; height: 150px; right: -77px; top: -75px; border: 28px solid rgba(16,38,45,.055); transform: rotate(18deg); }
.size-card:hover { transform: translateY(-6px); background: var(--white); box-shadow: var(--shadow); }
.size-index { position: absolute; left: 22px; top: 20px; color: var(--accent-deep); font-size: 11px; font-weight: 900; letter-spacing: .08em; }
.size-card h3 { margin-bottom: 22px; font-family: Georgia, serif; font-size: 27px; font-weight: 400; line-height: 1.05; }
.size-card dl { margin: 0; }
.size-card dl > div { padding: 8px 0; display: flex; justify-content: space-between; gap: 10px; border-top: 1px solid var(--line); }
.size-card dt { color: #718084; font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.size-card dd { margin: 0; font-size: 12px; font-weight: 800; text-align: right; }
.source-link { margin-top: 25px; padding: 19px 23px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border: 1px solid var(--line); border-radius: 16px; }
.source-link > span { color: #66767a; font-size: 13px; }
.system-section { background: #fff; }
.safety-note { margin-top: 26px; padding: 18px 20px; color: #55420b; background: #fbefc2; border-left: 4px solid var(--accent-deep); border-radius: 0 14px 14px 0; font-size: 13px; font-weight: 680; }
.gallery-section { background: #eceeea; }
.gallery-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.gallery-item { position: relative; overflow: hidden; aspect-ratio: 4 / 3; border-radius: 16px; background: #cfd5d1; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s cubic-bezier(.2,.7,.2,1), filter .4s ease; }
.gallery-item:hover img { transform: scale(1.055); filter: contrast(1.06) saturate(1.05); }
.gallery-item > span { position: absolute; left: 14px; bottom: 13px; display: grid; place-items: center; width: 36px; height: 36px; color: var(--ink-deep); background: var(--accent); border-radius: 50%; font-size: 10px; font-weight: 900; }
.reverse-grid > :first-child { order: 1; }
.reverse-grid > :last-child { order: 2; }
.contact-blocks i { border-radius: 30px; transform: rotate(14deg); }

/* Stropy TERIVA */
.hero-teriva .hero-photo { background-image: url('/assets/belki-03.jpg'); background-position: center 48%; }
.hero-teriva .hero-shade { background: linear-gradient(90deg,rgba(5,24,31,.97) 0%,rgba(5,24,31,.88) 43%,rgba(5,24,31,.32) 78%),linear-gradient(0deg,rgba(4,18,24,.9),transparent 52%); }
.system-diagram { display:grid; grid-template-columns:1fr auto 1fr auto 1fr; gap:18px; align-items:stretch; }
.system-diagram>div { min-height:210px; padding:30px; display:flex; flex-direction:column; justify-content:flex-end; border:1px solid var(--line); border-radius:var(--radius); background:rgba(255,255,255,.76); }
.system-diagram>div span { margin-bottom:auto; color:var(--accent-deep); font-size:11px; font-weight:900; }
.system-diagram>div strong { font-family:Georgia,serif; font-size:27px; font-weight:400; }
.system-diagram>div p { margin:8px 0 0; color:#68777b; font-size:14px; }
.system-diagram>i { align-self:center; color:var(--accent-deep); font-family:Georgia,serif; font-size:34px; }
.download-strip { margin-top:26px; padding:22px 24px; display:flex; align-items:center; justify-content:space-between; gap:24px; color:var(--white); border-radius:20px; background:var(--ink); }
.download-strip>div { display:flex; flex-direction:column; }
.download-strip strong { font-family:Georgia,serif; font-size:21px; font-weight:400; }
.download-strip span { color:rgba(255,255,255,.56); font-size:12px; }
.offer-section { background:#fff; }
.subsection-heading { margin-top:95px; }
.wide-table table { min-width:1320px; }
.forms-section { background:#fff; }
.form-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:18px; }
.form-card { overflow:hidden; border:1px solid var(--line); border-radius:22px; background:var(--paper); transition:transform .3s ease,box-shadow .3s ease; }
.form-card:hover { transform:translateY(-6px); box-shadow:var(--shadow); }
.form-photo { height:205px; padding:18px; background:#fff; }
.form-photo img { width:100%; height:100%; object-fit:contain; }
.form-body { padding:24px; }
.form-body>span { color:var(--accent-deep); font-size:10px; font-weight:900; }
.form-body h3 { margin:10px 0 18px; font-family:Georgia,serif; font-size:27px; font-weight:400; }
.form-body dl { margin:0; }
.form-body dl>div { padding:8px 0; display:flex; justify-content:space-between; gap:16px; border-top:1px solid var(--line); }
.form-body dt { color:#718084; font-size:10px; font-weight:800; letter-spacing:.07em; text-transform:uppercase; }
.form-body dd { margin:0; font-size:12px; font-weight:800; text-align:right; }
@media(max-width:980px){.system-diagram{grid-template-columns:1fr}.system-diagram>i{display:none}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.hero-teriva .hero-photo{background-position:62% center}.system-diagram>div{min-height:180px}.download-strip{align-items:stretch;flex-direction:column}.form-grid{grid-template-columns:1fr}.subsection-heading{margin-top:70px}}
.elki-products .product-image { background: #f2f3f0; }
.elki-products .product-image img { object-fit: contain; }
.product-range { display: inline-flex; align-self: flex-start; margin-bottom: 12px; padding: 6px 10px; color: #5d6c70; background: #eef0ec; border-radius: 999px; font-size: 10px; font-weight: 850; letter-spacing: .06em; text-transform: uppercase; }
.mount-list { margin: 25px 0 0; border-top: 1px solid var(--line); }
.mount-list article { padding: 15px 0; display: grid; grid-template-columns: 42px 1fr; gap: 14px; border-bottom: 1px solid var(--line); }
.mount-list article span { color: var(--accent-deep); font-size: 11px; font-weight: 900; }
.mount-list article p { margin: 0; color: #56696f; font-size: 14px; }

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.js .reveal.is-visible { opacity: 1; transform: none; }
@keyframes heroZoom { from { transform: scale(1.085); } to { transform: scale(1.025); } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } .js .reveal { opacity: 1; transform: none; } }

@media (max-width: 980px) {
  .section { padding: 92px 0; }
  .menu-toggle { display: block; position: relative; z-index: 2; }
  .main-nav { position: fixed; inset: 0; padding: 115px 34px 40px; flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 0; background: rgba(5,23,30,.98); transform: translateX(100%); visibility: hidden; transition: transform .32s ease, visibility .32s ease; }
  .main-nav.is-open { transform: none; visibility: visible; }
  .main-nav a { padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.14); font-family: Georgia, serif; font-size: 30px; font-weight: 400; }
  .main-nav .nav-contact { margin-top: 24px; padding: 13px 22px; align-self: flex-start; border: 0; font-family: inherit; font-size: 13px; font-weight: 800; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .hero { min-height: 820px; height: auto; max-height: none; padding-bottom: 0; }
  .hero-grid { min-height: 710px; height: auto; padding-top: 150px; padding-bottom: 100px; grid-template-columns: 1fr; gap: 45px; align-content: center; }
  .hero-card { max-width: 520px; align-self: auto; margin: 0; }
  .hero-stats { position: relative; }
  .product-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .size-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .product-featured { grid-column: span 2; }
  .applications-grid, .dimensions-grid, .logistics-grid, .contact-grid { grid-template-columns: 1fr; gap: 55px; }
  .dimensions-copy { position: static; }
  .logistics-photo { max-width: 720px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid p { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 30px, 1180px); }
  .section { padding: 76px 0; }
  .nav-shell { min-height: 72px; }
  .brand-logo { width: 72px; height: 49px; flex-basis: 72px; }
  .brand-copy strong { font-size: 12px; }
  .brand-copy small { font-size: 8px; }
  .hero { min-height: 0; }
  .hero-photo { background-position: 60% 50%; }
  .hero-shade { background: linear-gradient(90deg, rgba(5,24,31,.94), rgba(5,24,31,.62)), linear-gradient(0deg, rgba(4,18,24,.9), transparent 55%); }
  .hero-grid { min-height: 760px; padding-top: 125px; padding-bottom: 70px; align-content: start; }
  h1 { margin-top: 62px; font-size: clamp(52px, 17vw, 72px); line-height: .91; }
  h2 { font-size: clamp(39px, 13vw, 54px); }
  .hero-lead { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-card { padding: 23px; }
  .hero-card strong { font-size: 25px; }
  .stats-grid { grid-template-columns: 1fr; }
  .stats-grid > div, .stats-grid > div:last-child { padding: 22px 12px; border: 0; border-bottom: 1px solid rgba(255,255,255,.14); }
  .stats-grid strong { font-size: 24px; }
  .product-grid { grid-template-columns: 1fr; }
  .size-grid { grid-template-columns: 1fr; }
  .size-card { min-height: 210px; }
  .source-link { align-items: flex-start; flex-direction: column; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item { aspect-ratio: 4 / 3; }
  .product-featured { grid-column: auto; display: flex; }
  .product-featured .product-image { min-height: 0; aspect-ratio: 1.32; }
  .application-list { grid-template-columns: 1fr; }
  .application-list article { min-height: 195px; }
  .dimensions-grid, .applications-grid, .logistics-grid, .contact-grid { gap: 42px; }
  .table-wrap { border-radius: 18px; }
  th, td { padding: 14px 15px; white-space: nowrap; }
  .logistics-photo::before { inset: 13px -6px -13px 13px; }
  .contact { padding: 80px 0; }
  .contact-row { grid-template-columns: 1fr; gap: 4px; }
  .contact-map, .contact-map iframe { min-height: 340px; height: 340px; }
  .contact-map > a { left: 14px; right: auto; bottom: 14px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid p { grid-column: auto; grid-row: auto; }
  .footer-grid nav { justify-content: flex-start; flex-wrap: wrap; }
}