:root {
  --ink: #14282c;
  --steel: #4d6466;
  --mist: #e9efed;
  --paper: #f7f8f4;
  --signal: #db4b2b;
  --line: #cbd5d3;
  --font-display: Georgia, 'Times New Roman', serif;
  --font-body: 'Arial Narrow', Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-body); font-size: 16px; line-height: 1.5; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.eyebrow { margin: 0 0 12px; color: var(--signal); font-size: 12px; font-weight: 700; letter-spacing: 1.4px; text-transform: uppercase; }
.section-title { max-width: 740px; margin: 0; font-family: var(--font-display); font-size: clamp(32px, 4vw, 54px); font-weight: 400; line-height: 1.05; }
.section-copy { max-width: 620px; color: var(--steel); font-size: 18px; }

.site-header { position: sticky; top: 0; z-index: 10; background: rgba(247, 248, 244, .97); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 230px; }
.brand-mark { display: grid; width: 34px; height: 34px; place-items: center; border: 2px solid var(--signal); color: var(--signal); font-weight: 700; font-size: 14px; }
.brand-name { display: block; font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }
.brand-subtitle { display: block; color: var(--steel); font-size: 10px; letter-spacing: .8px; text-transform: uppercase; }
.site-nav { display: flex; align-items: center; gap: 27px; font-size: 13px; font-weight: 700; letter-spacing: .6px; text-transform: uppercase; }
.site-nav a { padding: 28px 0 24px; border-bottom: 3px solid transparent; }
.site-nav a:hover, .site-nav a.active { border-color: var(--signal); }
.language { display: flex; gap: 7px; }
.language button, .menu-toggle { border: 0; background: transparent; color: var(--steel); cursor: pointer; font: inherit; font-size: 12px; font-weight: 700; letter-spacing: 1px; }
.language button.active { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.menu-toggle { display: none; color: var(--ink); font-size: 19px; }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; background: var(--signal); color: white; border: 1px solid var(--signal); font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; transition: background .2s; }
.button:hover { background: #b93c22; }
.button-outline { background: transparent; color: var(--ink); border-color: var(--ink); }
.button-outline:hover { background: var(--ink); color: white; }

.hero { overflow: hidden; background: var(--ink); color: white; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); min-height: 560px; }
.hero-content { display: flex; flex-direction: column; justify-content: center; padding: 78px 50px 78px 0; }
.hero .eyebrow { color: #ef8b71; }
.hero h1 { max-width: 660px; margin: 0 0 24px; font-family: var(--font-display); font-size: clamp(42px, 5.8vw, 76px); font-weight: 400; line-height: .98; }
.hero p:not(.eyebrow) { max-width: 510px; margin: 0 0 34px; color: #c6d1cf; font-size: 19px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-visual { position: relative; min-height: 430px; background: #b9c7c3; }
.hero-visual::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, #8ea19d 0 34%, #56706e 34% 36%, #b9c7c3 36% 68%, #6e8582 68% 70%, #9fb0ac 70%); }
.hero-visual::after { content: 'SPT / 01'; position: absolute; right: 24px; bottom: 19px; color: white; font-size: 11px; font-weight: bold; letter-spacing: 2px; }
.hero-caption { position: absolute; left: -42px; bottom: 54px; max-width: 250px; padding: 20px; background: var(--signal); color: white; font-family: var(--font-display); font-size: 21px; line-height: 1.1; }

.trust { padding: 20px 0; background: #dbe4e1; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.trust-item { padding-right: 18px; border-right: 1px solid #afbfbb; color: var(--steel); font-size: 13px; }
.trust-item strong { display: block; color: var(--ink); font-size: 14px; text-transform: uppercase; }

.section { padding: 100px 0; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 42px; }
.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.category-card { min-height: 250px; display: flex; flex-direction: column; padding: 23px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper); transition: background .2s; }
.category-card:hover { background: #e1e8e5; }
.category-icon { display: grid; width: 50px; height: 50px; margin-bottom: auto; place-items: center; border: 1px solid var(--steel); color: var(--signal); font-size: 24px; }
.category-card h3 { margin: 30px 0 6px; font-family: var(--font-display); font-size: 25px; font-weight: 400; line-height: 1.05; }
.category-card p { margin: 0; color: var(--steel); font-size: 14px; }
.arrow-link { display: inline-block; margin-top: 22px; color: var(--signal); font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }
.arrow-link::after { content: '  ->'; }

.statement { background: #dbe4e1; }
.statement-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.statement-figure { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: #7c918d; }
.statement-figure::before { content: ''; position: absolute; width: 120%; height: 38%; top: 28%; left: -10%; border-top: 58px solid #d1dad7; border-bottom: 58px solid #aab9b5; transform: rotate(-18deg); }
.statement-figure::after { content: ''; position: absolute; width: 36%; height: 120%; top: -10%; left: 45%; border-left: 42px solid #dfe6e3; border-right: 42px solid #92a5a0; transform: rotate(24deg); }
.statement-grid blockquote { margin: 0; font-family: var(--font-display); font-size: clamp(29px, 3.4vw, 46px); font-weight: 400; line-height: 1.08; }
.statement-grid cite { display: block; margin-top: 25px; color: var(--steel); font-style: normal; font-size: 13px; }

.cta { padding: 88px 0; background: var(--signal); color: white; }
.cta-grid { display: flex; justify-content: space-between; align-items: end; gap: 40px; }
.cta .eyebrow { color: #ffd5c9; }
.cta .section-title { max-width: 720px; }
.cta .button { background: white; border-color: white; color: var(--ink); white-space: nowrap; }

.page-hero { padding: 74px 0 68px; background: var(--ink); color: white; }
.page-hero h1 { max-width: 650px; margin: 0; font-family: var(--font-display); font-size: clamp(42px, 6vw, 68px); font-weight: 400; line-height: 1; }
.page-hero p:not(.eyebrow) { max-width: 650px; margin: 18px 0 0; color: #c6d1cf; font-size: 18px; }
.catalog-layout { display: grid; grid-template-columns: 230px 1fr; gap: 46px; }
.catalog-filter { align-self: start; padding: 20px 0; border-top: 2px solid var(--ink); }
.filter-title { margin: 0 0 12px; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }
.filter-link { display: block; padding: 8px 0; color: var(--steel); font-size: 14px; cursor: pointer; }
.filter-link.active, .filter-link:hover { color: var(--signal); }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.product-card { border: 1px solid var(--line); background: white; }
.product-card[role='link'] { cursor: pointer; }
.product-image { position: relative; aspect-ratio: 1.15; display: grid; place-items: center; overflow: hidden; background: #e1e8e5; }
.product-image img { width: 100%; height: 100%; object-fit: cover; }
.product-image.has-image .product-placeholder { display: none; }
.product-placeholder { color: var(--steel); font-size: 12px; letter-spacing: 1px; text-align: center; text-transform: uppercase; }
.product-placeholder span { display: block; margin-bottom: 8px; color: var(--signal); font-size: 32px; }
.product-image img + .product-placeholder { display: none; }
.product-info { padding: 18px; }
.product-group { color: var(--signal); font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }
.product-info h2 { margin: 8px 0; font-family: var(--font-display); font-size: 23px; font-weight: 400; line-height: 1.1; }
.product-info p { min-height: 42px; margin: 0; color: var(--steel); font-size: 14px; }
.product-info .arrow-link { margin-top: 16px; }
.about-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); gap: 80px; }
.about-text { font-size: 18px; color: var(--steel); }
.about-text p:first-child { margin-top: 0; color: var(--ink); font-family: var(--font-display); font-size: 31px; line-height: 1.18; }
.facts { border-top: 2px solid var(--ink); }
.fact { padding: 20px 0; border-bottom: 1px solid var(--line); }
.fact strong { display: block; font-family: var(--font-display); font-size: 29px; font-weight: 400; }
.fact span { color: var(--steel); font-size: 13px; }
.contact-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; }
.email-link { font-family: var(--font-display); font-size: clamp(30px, 4vw, 51px); line-height: 1; text-decoration: underline; text-decoration-color: var(--signal); text-underline-offset: 8px; }
.contact-note { margin-top: 24px; color: var(--steel); font-size: 17px; }
.contact-panel { padding: 30px; background: #dbe4e1; }
.contact-panel h2 { margin: 0 0 20px; font-family: var(--font-display); font-size: 30px; font-weight: 400; }
.contact-panel p { margin: 0 0 12px; color: var(--steel); }

.product-detail-hero { padding: 80px 0; background: var(--ink); color: white; }
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 76px; align-items: center; }
.product-detail-hero h1 { margin: 0 0 18px; font-family: var(--font-display); font-size: clamp(42px, 6vw, 72px); font-weight: 400; line-height: 1; }
.product-lead { max-width: 540px; margin: 0 0 30px; color: #c6d1cf; font-size: 20px; }
.product-detail-image { position: relative; display: grid; min-height: 380px; place-items: center; overflow: hidden; background: #dbe4e1; }
.product-detail-image img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: contain; background: white; }
.product-detail-image img + .product-placeholder { display: none; }
.product-copy-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 100px; }
.product-copy-grid h2 { margin: 0 0 18px; font-family: var(--font-display); font-size: 38px; font-weight: 400; line-height: 1.05; }
.product-copy-grid p:not(.eyebrow) { color: var(--steel); font-size: 18px; }
.feature-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.feature-list li { padding: 15px 0 15px 22px; border-bottom: 1px solid var(--line); color: var(--steel); }
.feature-list li::before { content: '+'; margin-left: -22px; margin-right: 12px; color: var(--signal); font-weight: 700; }
.specification-section { padding-top: 0; }
.specifications { border-top: 2px solid var(--ink); }
.specifications > div { display: grid; grid-template-columns: 1fr 2fr; gap: 30px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.specifications strong { font-size: 13px; letter-spacing: .6px; text-transform: uppercase; }
.specifications span { color: var(--steel); }

.site-footer { padding: 42px 0 30px; background: #102124; color: #c6d1cf; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr .7fr; gap: 40px; }
.site-footer .brand-name { color: white; }
.footer-title { margin: 0 0 12px; color: white; font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }
.footer-nav a { display: block; margin: 6px 0; font-size: 14px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 40px; padding-top: 20px; border-top: 1px solid #415356; font-size: 12px; }

@media (max-width: 820px) {
  .header-inner { min-height: 66px; }
  .menu-toggle { display: block; }
  .site-nav { display: none; position: absolute; top: 66px; left: 0; right: 0; padding: 12px 20px; background: var(--paper); border-bottom: 1px solid var(--line); }
  .site-nav.open { display: block; }
  .site-nav a { display: block; padding: 12px 0; }
  .hero-grid, .statement-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .product-detail-grid, .product-copy-grid { grid-template-columns: 1fr; gap: 38px; }
  .hero-content { min-height: 445px; padding: 60px 0; }
  .hero-visual { min-height: 330px; }
  .hero-caption { left: 20px; bottom: 20px; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-item:nth-child(2) { border: 0; }
  .category-grid { grid-template-columns: 1fr 1fr; }
  .catalog-layout { grid-template-columns: 1fr; gap: 28px; }
  .catalog-filter { display: flex; flex-wrap: wrap; gap: 0 18px; }
  .filter-title { width: 100%; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 70px 0; }
  .cta-grid { display: block; }
  .cta .button { margin-top: 28px; }
}
@media (max-width: 520px) {
  .container { width: min(100% - 30px, 1180px); }
  .brand { min-width: 0; }
  .brand-subtitle { display: none; }
  .language { margin-left: auto; }
  .trust-grid, .category-grid, .product-grid { grid-template-columns: 1fr; }
  .trust-item { border-right: 0; border-bottom: 1px solid #afbfbb; padding-bottom: 10px; }
  .trust-item:last-child { border: 0; }
  .section-head { display: block; }
  .section-head .button { margin-top: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 25px; }
}