:root {
  --navy: #14264d;
  --navy-soft: #253d6a;
  --mineral: #326456;
  --ink: #182128;
  --muted: #647078;
  --line: #dbe1e3;
  --panel: #f3f6f5;
  --white: #ffffff;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--white);
  letter-spacing: 0;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { width: 100%; max-width: 100vw; margin: 0; overflow-x: hidden; }
main { width: 100%; min-width: 0; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.site-header {
  min-height: 76px;
  padding: 8px 4vw;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 30px;
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.98);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; }
.brand-mark { width: 38px; height: 48px; position: relative; overflow: hidden; flex: 0 0 auto; }
.brand-mark img { width: 112px; max-width: none; position: absolute; left: 50%; top: -22px; transform: translateX(-50%); }
.brand-copy { display: grid; gap: 1px; color: var(--navy); }
.brand-copy strong { font-family: Georgia, "Times New Roman", serif; font-size: 22px; line-height: 1; font-weight: 700; }
.brand-copy small { font-size: 8px; font-weight: 800; text-transform: uppercase; letter-spacing: .7px; }
.site-header nav { display: flex; justify-content: center; align-items: center; gap: 28px; }
.site-header nav a, .footer-links a { text-decoration: none; color: #43515b; font-size: 13px; font-weight: 700; }
.site-header nav a:hover, .footer-links a:hover { color: var(--navy); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.language-switcher { display: flex; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.language-switcher button { width: 38px; height: 34px; border: 0; background: #fff; color: var(--muted); font-size: 11px; font-weight: 800; }
.language-switcher button.active { background: var(--navy); color: #fff; }
.mobile-language { display: none; }
.header-cta { padding: 11px 14px; background: var(--navy); color: #fff; border-radius: 4px; text-decoration: none; font-size: 12px; font-weight: 800; }

.hero { min-height: calc(100vh - 76px); position: relative; display: flex; align-items: center; color: #fff; overflow: hidden; }
.hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-shade { position: absolute; inset: 0; background: rgba(8,18,32,.68); }
.hero-content { position: relative; z-index: 2; width: min(760px, 88vw); margin-left: 7vw; padding-bottom: 120px; }
.eyebrow { margin: 0 0 10px; color: var(--mineral); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.hero .eyebrow { color: #c9e5da; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 18px; font-size: 62px; line-height: 1.02; font-family: Georgia, "Times New Roman", serif; font-weight: 500; }
.hero-lead { max-width: 680px; margin-bottom: 28px; font-size: 21px; line-height: 1.5; color: #edf2f4; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.button { min-height: 44px; padding: 0 18px; border-radius: 4px; border: 1px solid transparent; display: inline-flex; align-items: center; justify-content: center; text-decoration: none; font-weight: 800; font-size: 13px; }
.button-primary { background: var(--mineral); color: #fff; }
.button-secondary { border-color: rgba(255,255,255,.65); color: #fff; background: rgba(0,0,0,.12); }
.hero-facts { position: absolute; z-index: 3; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: repeat(4, 1fr); background: rgba(255,255,255,.96); color: var(--ink); }
.hero-facts div { min-height: 100px; padding: 22px 26px; border-left: 1px solid var(--line); display: grid; align-content: center; gap: 7px; }
.hero-facts div:first-child { border-left: 0; }
.hero-facts strong { font-size: 13px; color: var(--navy); }
.hero-facts span { font-size: 11px; line-height: 1.4; color: var(--muted); }

.intro { padding: 96px 7vw; display: grid; grid-template-columns: .85fr 1.15fr; gap: 9vw; }
h2 { margin-bottom: 18px; font-family: Georgia, "Times New Roman", serif; font-size: 39px; line-height: 1.16; font-weight: 500; color: var(--navy); }
.intro-copy { padding-top: 24px; border-top: 1px solid var(--line); }
.intro-copy p, .section-heading > p:last-child, .quality-copy > p:last-child, .contact-section > div > p:last-child { color: var(--muted); font-size: 15px; line-height: 1.75; }

.product-band { padding: 84px 5vw; background: var(--panel); }
.section-heading { width: min(760px, 100%); margin: 0 auto 44px; text-align: center; }
.section-heading h2 { margin-bottom: 14px; }
.section-heading > p:last-child { max-width: 680px; margin: 0 auto; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: 1380px; margin: 0 auto; }
.product-card { background: #fff; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.product-card > img { width: 100%; height: 300px; object-fit: cover; }
.product-body { padding: 25px; }
.product-body > span { float: right; color: #a7b1b6; font-size: 11px; }
.product-body h3 { min-height: 58px; margin-bottom: 12px; color: var(--navy); font-size: 23px; line-height: 1.25; }
.product-body > p:not(.eyebrow) { min-height: 80px; color: var(--muted); line-height: 1.55; font-size: 13px; }
.product-body ul { min-height: 112px; margin: 18px 0; padding: 16px 0 0 18px; border-top: 1px solid var(--line); }
.product-body li { margin-bottom: 9px; color: #43515b; font-size: 12px; line-height: 1.4; }
.product-body > a { color: var(--mineral); font-size: 12px; font-weight: 800; text-underline-offset: 4px; }

.supply-section { display: grid; grid-template-columns: 1fr 1fr; min-height: 720px; }
.supply-image img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%); }
.supply-content { padding: 86px 7vw; background: var(--navy); color: #fff; }
.supply-content .eyebrow { color: #b9d8cc; }
.supply-content h2 { color: #fff; }
.supply-steps { margin-top: 34px; display: grid; }
.supply-steps article { padding: 19px 0; display: grid; grid-template-columns: 42px 1fr; gap: 14px; border-top: 1px solid rgba(255,255,255,.18); }
.supply-steps article > b { width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.45); border-radius: 50%; font-size: 10px; }
.supply-steps strong { display: block; margin-bottom: 6px; }
.supply-steps p { margin: 0; color: #cbd4df; font-size: 12px; line-height: 1.55; }

.gallery-section, .objects-section { padding: 92px 5vw; }
.stone-gallery { max-width: 1380px; margin: 0 auto; display: grid; grid-template-columns: 1.25fr .75fr; grid-template-rows: 280px 280px; gap: 14px; }
.stone-gallery figure, .objects-grid figure { margin: 0; position: relative; overflow: hidden; background: var(--panel); }
.stone-gallery .gallery-large { grid-row: 1 / 3; }
.stone-gallery img, .objects-grid img { width: 100%; height: 100%; object-fit: cover; }
.stone-gallery figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 18px; background: rgba(15,25,35,.78); color: #fff; display: grid; gap: 4px; }
.stone-gallery figcaption strong { font-size: 14px; }
.stone-gallery figcaption span { color: #dce4e6; font-size: 11px; }

.objects-section { background: var(--panel); }
.objects-grid { max-width: 1380px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.objects-grid figure { border: 1px solid var(--line); background: #fff; }
.objects-grid img { height: 330px; }
.objects-grid figcaption { padding: 14px; color: var(--navy); font-size: 12px; font-weight: 800; }

.quality-section { padding: 84px 7vw; display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; align-items: center; }
.quality-list { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); }
.quality-list div { min-height: 120px; padding: 20px; display: grid; align-content: center; gap: 8px; border-left: 1px solid var(--line); border-top: 1px solid var(--line); }
.quality-list div:nth-child(odd) { border-left: 0; }
.quality-list div:nth-child(-n+2) { border-top: 0; }
.quality-list strong { color: var(--navy); font-size: 13px; }
.quality-list span { color: var(--muted); font-size: 11px; line-height: 1.45; }

.contact-section { padding: 88px 7vw; display: grid; grid-template-columns: .75fr 1.25fr; gap: 7vw; background: #e9efed; }
.contact-section form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-section label { display: grid; gap: 6px; color: #43515b; font-size: 11px; font-weight: 800; }
.contact-section input, .contact-section select, .contact-section textarea { width: 100%; padding: 12px; border: 1px solid #cbd5d7; border-radius: 3px; background: #fff; color: var(--ink); }
.contact-section textarea { min-height: 120px; resize: vertical; }
.form-wide { grid-column: 1 / -1; }
.contact-section .button { border: 0; }
.form-status { min-height: 18px; margin: 0; color: var(--mineral); font-size: 12px; font-weight: 700; }

footer { padding: 28px 5vw; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; border-top: 1px solid var(--line); }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand .brand-mark { width: 40px; height: 48px; }
.footer-brand div { display: grid; gap: 4px; }
.footer-brand strong { color: var(--navy); font-size: 13px; }
.footer-brand span, footer > p { color: var(--muted); font-size: 10px; }
.footer-links { display: flex; gap: 18px; }
footer > p { margin: 0; text-align: right; }

@media (max-width: 1050px) {
  .site-header { grid-template-columns: auto 1fr; }
  .site-header nav { order: 3; grid-column: 1 / -1; justify-content: flex-start; overflow-x: auto; padding-bottom: 6px; }
  .header-actions { justify-self: end; }
  .product-grid { grid-template-columns: 1fr; max-width: 720px; }
  .product-card { display: grid; grid-template-columns: .9fr 1.1fr; }
  .product-card > img { height: 100%; min-height: 420px; }
  .objects-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .site-header { width: 100%; min-width: 0; grid-template-columns: 1fr; padding: 7px 16px; gap: 12px; overflow: hidden; }
  .brand-copy strong { font-size: 19px; }
  .header-cta { display: none; }
  .site-header nav { width: 100%; min-width: 0; gap: 20px; max-width: calc(100vw - 32px); }
  .header-actions { display: none; }
  .mobile-language { display: flex; flex: 0 0 auto; }
  .site-header nav a { white-space: nowrap; }
  .hero { width: 100%; max-width: 100vw; min-height: 810px; align-items: flex-start; overflow: hidden; }
  .hero-image { object-position: 58% center; }
  .hero-content { width: calc(100vw - 32px); max-width: calc(100vw - 32px); margin: 0 16px; padding: 84px 0 0; }
  h1 { font-size: 43px; }
  .hero-lead { width: 100%; max-width: 340px; font-size: 17px; overflow-wrap: anywhere; }
  .hero-actions { width: 100%; max-width: 340px; }
  .hero-actions .button { flex: 0 0 100%; width: 100%; }
  .hero-facts { left: 0; right: auto; width: 100vw; max-width: 100vw; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-facts div { min-width: 0; min-height: 82px; padding: 12px; border-top: 1px solid var(--line); }
  .hero-facts span { font-size: 9px; overflow-wrap: anywhere; }
  .hero-facts div:nth-child(odd) { border-left: 0; }
  .intro, .quality-section, .contact-section { grid-template-columns: 1fr; padding: 68px 20px; gap: 28px; }
  h2 { font-size: 31px; }
  .product-band, .gallery-section, .objects-section { padding: 68px 16px; }
  .product-card { display: block; }
  .product-card > img { height: 260px; min-height: 0; }
  .product-body h3, .product-body > p:not(.eyebrow), .product-body ul { min-height: 0; }
  .supply-section { grid-template-columns: 1fr; }
  .supply-image { height: 360px; }
  .supply-content { padding: 60px 20px; }
  .stone-gallery { grid-template-columns: 1fr; grid-template-rows: repeat(3, 320px); }
  .stone-gallery .gallery-large { grid-row: auto; }
  .objects-grid { grid-template-columns: 1fr 1fr; }
  .objects-grid img { height: 235px; }
  .quality-list { grid-template-columns: 1fr; }
  .quality-list div { border-left: 0; }
  .quality-list div:nth-child(2) { border-top: 1px solid var(--line); }
  .contact-section form { grid-template-columns: 1fr; }
  .form-wide { grid-column: auto; }
  footer { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; }
  footer > p { text-align: left; }
}

@media (max-width: 440px) {
  .objects-grid { grid-template-columns: 1fr; }
  .objects-grid img { height: 300px; }
}

.contact-details { margin-top: 20px; display: grid; gap: 10px; }
.contact-details p { margin: 0; display: flex; gap: 12px; flex-wrap: wrap; align-items: baseline; }
.contact-details strong { min-width: 74px; }
.contact-details a { color: inherit; text-decoration: underline; }

.tech-section { padding: clamp(48px,7vw,96px) clamp(20px,6vw,88px); }
.tech-grid { display: grid; gap: 20px; margin-top: 28px; grid-template-columns: repeat(auto-fit, minmax(258px, 1fr)); }
.tech-card { border: 1px solid #dfe3ea; border-radius: 16px; padding: 22px 24px; background: #fff; }
.tech-card h3 { margin: 0 0 16px; color: #14264d; font-size: 1.05rem; }
.tech-card ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.tech-card li { display: grid; gap: 3px; font-size: .85rem; border-top: 1px solid #eef1f5; padding-top: 10px; }
.tech-card li:first-child { border-top: 0; padding-top: 0; }
.tech-card li span { color: #6b7688; font-size: .78rem; text-transform: uppercase; letter-spacing: .02em; }
.tech-card li b { color: #1f2b3d; font-weight: 600; }

.catalog-section { padding: clamp(48px,7vw,96px) clamp(20px,6vw,88px); }
.catalog-grid { display: grid; gap: 14px; margin-top: 28px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.catalog-grid figure { margin: 0; border-radius: 14px; overflow: hidden; position: relative; background: #eef1f5; }
.catalog-grid img { display: block; width: 100%; height: 240px; object-fit: cover; }
.catalog-grid figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 22px 14px 12px; font-size: .82rem; font-weight: 600; color: #fff; background: linear-gradient(transparent, rgba(10,18,35,.74)); }