:root {
  --ink: #101419;
  --ink-2: #151b20;
  --ink-3: #20282e;
  --paper: #e8e8e2;
  --paper-2: #d9dad4;
  --muted: #91989b;
  --dark-muted: #677176;
  --line: rgba(231, 234, 231, .17);
  --line-dark: rgba(16, 20, 25, .17);
  --copper: #b67450;
  --copper-light: #d18d65;
  --mono: "IBM Plex Mono", "Courier New", monospace;
  --sans: "Manrope", Arial, sans-serif;
  --page: min(100% - 112px, 1440px);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; background: var(--ink); color: var(--paper); font-family: var(--sans); font-size: 15px; -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
::selection { color: var(--ink); background: var(--copper-light); }
.site-shell { overflow: clip; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; transform: translateY(-160%); background: var(--paper); color: var(--ink); padding: 10px 16px; }
.skip-link:focus { transform: translateY(0); }

.site-header { height: 88px; width: var(--page); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); position: relative; z-index: 10; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 182px; }
.brand-symbol { width: 28px; height: 32px; display: flex; align-items: stretch; gap: 3px; transform: skew(-13deg); }
.brand-symbol i { display: block; width: 6px; background: var(--copper); }
.brand-symbol i:nth-child(2) { background: #b9c0c2; margin-top: 5px; margin-bottom: 5px; }
.brand-symbol i:nth-child(3) { background: #5c666b; margin-top: 10px; margin-bottom: 10px; }
.brand-word { font-size: 19px; line-height: .95; font-weight: 800; letter-spacing: .14em; }
.brand-dot { color: var(--copper-light); }
.brand-word small { display: block; font: 8px/1.8 var(--mono); letter-spacing: .14em; color: #9da5a7; }
.site-nav { display: flex; align-items: center; gap: clamp(18px, 2.5vw, 42px); margin-left: auto; margin-right: 42px; }
.site-nav a { font-size: 11px; font-weight: 700; color: #c0c5c5; transition: color .2s; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--copper-light); }
.header-action { min-width: 185px; display: inline-flex; align-items: center; justify-content: space-between; gap: 14px; border: 1px solid rgba(222, 226, 223, .32); padding: 12px 13px 12px 16px; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; transition: background .25s, border-color .25s; }
.header-action b { font-size: 16px; font-weight: 400; color: var(--copper-light); }
.header-action:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.menu-toggle { display: none; }

.hero { width: var(--page); min-height: 646px; height: min(740px, calc(100svh - 88px)); max-height: 790px; margin: 0 auto; display: grid; grid-template-columns: minmax(420px, .82fr) minmax(0, 1.18fr); position: relative; }
.hero-copy { position: relative; z-index: 2; padding: clamp(68px, 9vw, 128px) 30px 36px 0; display: flex; flex-direction: column; align-items: flex-start; }
.eyebrow { display: flex; align-items: center; gap: 11px; color: #afb7b8; font: 10px/1.2 var(--mono); letter-spacing: .13em; }
.eyebrow-line { display: inline-block; height: 1px; width: 29px; background: var(--copper); }
.hero h1 { margin: 38px 0 23px; color: #eeeee8; font-size: clamp(55px, 6.6vw, 94px); font-weight: 500; line-height: .98; letter-spacing: -.072em; }
h1 em, h2 em { color: var(--copper-light); font-style: normal; }
.hero-intro { max-width: 425px; margin: 0; color: #a9b0b0; font-size: 14px; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; gap: 27px; margin-top: 31px; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 28px; padding: 0 18px; border: 1px solid transparent; font-size: 10px; text-transform: uppercase; letter-spacing: .07em; font-weight: 800; cursor: pointer; transition: transform .2s, background .2s, color .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button span { font-size: 16px; font-weight: 400; }
.button-copper { background: var(--copper); color: #131719; }
.button-copper:hover { background: var(--copper-light); }
.text-link { display: inline-flex; align-items: center; gap: 14px; font-size: 11px; font-weight: 700; color: #dce0dc; border-bottom: 1px solid rgba(224, 227, 221, .3); padding: 8px 0; }
.text-link span { color: var(--copper-light); font-size: 16px; transition: transform .2s; }
.text-link:hover span { transform: translateX(4px); }
.hero-index { margin-top: auto; padding-top: 40px; display: flex; align-items: center; gap: 12px; font: 9px var(--mono); letter-spacing: .09em; color: #777f82; }
.hero-index span:first-child { color: var(--copper-light); }
.index-rule { width: 46px; height: 1px; background: #485055; }
.hero-visual { position: relative; min-width: 0; margin: 25px 0 25px -10px; overflow: hidden; background: #252d32 url("assets/hero-steel.png") center/cover no-repeat; box-shadow: inset 0 0 0 1px rgba(242, 242, 235, .11); }
.hero-visual::before, .company-image::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(16,20,25,.54), rgba(16,20,25,.05) 62%, rgba(16,20,25,.14)), linear-gradient(0deg, rgba(16,20,25,.52), transparent 36%); pointer-events: none; }
.hero-visual::after { content: ""; position: absolute; inset: 10px; border: 1px solid rgba(237,239,232,.16); pointer-events: none; }
.hero-visual-shade { position: absolute; inset: 0; background-image: linear-gradient(90deg, rgba(16,20,25,.44), transparent 75%), repeating-linear-gradient(0deg, transparent 0 79px, rgba(225,230,226,.045) 80px); mix-blend-mode: multiply; }
.hero-image-caption { position: absolute; z-index: 2; bottom: 27px; left: 30px; right: 30px; display: flex; justify-content: space-between; color: #d4d7d3; font: 8px var(--mono); letter-spacing: .11em; }
.hero-technical { position: absolute; z-index: 2; right: 33px; top: 34px; width: 190px; padding: 12px; color: rgba(231,234,231,.67); border: 1px solid rgba(225,229,224,.32); background: rgba(16,20,25,.4); backdrop-filter: blur(5px); }
.hero-technical svg { width: 100%; display: block; margin-top: 7px; stroke: rgba(228,231,224,.55); stroke-width: .8; }
.tech-cross { color: var(--copper-light); font-size: 18px; position: absolute; right: 13px; top: 8px; }
.tech-code, .tech-dim { font: 8px/1.5 var(--mono); letter-spacing: .12em; }
.tech-dim { font-size: 6px; color: #929b9d; }

.proof-strip { min-height: 128px; width: 100%; padding: 25px max(calc((100% - 1440px)/2), 56px); display: grid; grid-template-columns: 1.05fr repeat(4,1fr); align-items: center; background: #181e23; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.proof-intro { display: flex; align-items: center; gap: 20px; }
.micro-label { color: #939b9d; font: 8px var(--mono); letter-spacing: .13em; }
.proof-mark { font-size: 28px; color: var(--copper); font-weight: 300; }
.proof-item { display: flex; align-items: flex-start; gap: 12px; padding-left: 24px; border-left: 1px solid rgba(230,232,227,.13); color: #d3d6d2; font-size: 11px; line-height: 1.5; }
.proof-no { color: var(--copper-light); font: 9px var(--mono); }

.section { padding: 132px max(calc((100% - 1320px)/2), 56px); }
.catalog-section { background: var(--paper); color: var(--ink); }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 60px; margin-bottom: 58px; }
.dark-eyebrow { color: #626b6e; }
.section-heading h2, .popular-head h2, .prices-copy h2, .calc-heading h2, .company-copy h2, .request-copy h2, .seo-body h2 { margin: 24px 0 0; font-size: clamp(44px, 5vw, 68px); font-weight: 500; line-height: 1.01; letter-spacing: -.065em; }
.section-heading h2 em, .calc-heading h2 em, .company-copy h2 em, .seo-body h2 em { color: #9d613f; }
.section-aside { max-width: 390px; padding-bottom: 5px; }
.section-aside p { margin: 0 0 22px; color: #505a5d; font-size: 13px; line-height: 1.75; }
.catalog-search { display: flex; align-items: center; gap: 11px; height: 43px; border-bottom: 1px solid #899194; color: #717a7c; }
.catalog-search > span { font-size: 22px; line-height: 1; }
.catalog-search input { min-width: 0; flex: 1; background: transparent; border: 0; outline: 0; color: var(--ink); font-size: 11px; }
.catalog-search input::placeholder { color: #717a7c; }
.catalog-search kbd { font: 9px var(--mono); border: 1px solid #aeb4b3; padding: 3px 5px; }
.catalog-layout { display: grid; grid-template-columns: .87fr 1.13fr; min-height: 530px; border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.catalog-feature { position: relative; display: flex; flex-direction: column; padding: 20px 28px 18px 0; border-right: 1px solid var(--line-dark); overflow: hidden; }
.feature-topline { display: flex; justify-content: space-between; color: #758084; font: 8px var(--mono); letter-spacing: .14em; }
.section-art { position: relative; flex: 1; display: grid; place-items: center; min-height: 300px; }
.section-art svg { width: min(95%, 480px); overflow: visible; }
.art-lines { stroke: #aeb7b5; stroke-width: 1; opacity: .52; }
.art-sections { stroke: #263137; stroke-width: 4; fill: #bbc1be; fill-opacity: .32; }
.art-dims { stroke: #a66745; stroke-width: 1; stroke-dasharray: 3 4; }
.art-label { position: absolute; font: 8px var(--mono); letter-spacing: .11em; color: #778185; background: var(--paper); padding: 3px 5px; }
.label-a { left: 8%; top: 31%; }.label-b { right: 8%; top: 49%; }.label-c { left: 21%; bottom: 18%; }
.feature-caption { display: flex; align-items: flex-end; justify-content: space-between; gap: 10px; padding-top: 17px; border-top: 1px solid var(--line-dark); }
.feature-caption strong { font-size: 14px; font-weight: 600; }
.feature-caption span { color: #667074; font: 7px var(--mono); letter-spacing: .1em; text-align: right; }
.catalog-list { padding: 0 0 0 29px; }
.catalog-row { width: 100%; min-height: 44px; display: grid; grid-template-columns: 36px minmax(125px,1fr) minmax(120px,.78fr) 20px; align-items: center; gap: 10px; padding: 8px 2px; background: none; text-align: left; border: 0; border-bottom: 1px solid rgba(16,20,25,.15); cursor: pointer; transition: padding .2s, background .2s; }
.catalog-row:hover, .catalog-row:focus-visible { padding-left: 10px; background: rgba(182,116,80,.09); outline: none; }
.row-no { color: #9c6a4e; font: 9px var(--mono); }
.row-name { font-size: 13px; font-weight: 700; }
.row-type { color: #778083; font: 7px var(--mono); letter-spacing: .09em; }
.row-arrow { color: #aa6d4d; font-size: 14px; text-align: right; }
.catalog-empty { padding: 40px 0; font-size: 13px; color: #596468; }

.popular-section { padding: 112px max(calc((100% - 1320px)/2), 56px) 120px; background: #11161a; }
.popular-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 42px; gap: 40px; }
.popular-head h2 { font-size: clamp(40px, 4.5vw, 58px); margin-top: 21px; }
.popular-head p { max-width: 390px; margin: 0 0 4px; color: #8f999b; font-size: 12px; line-height: 1.7; }
.specimen-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.specimen { position: relative; min-height: 320px; padding: 20px 24px 18px; border: 0; border-right: 1px solid var(--line); background: transparent; color: var(--paper); text-align: left; cursor: pointer; transition: background .25s; }
.specimen:last-child { border-right: 0; }
.specimen:hover { background: rgba(230,233,227,.045); }
.specimen-index { display: block; color: #848f92; font: 8px var(--mono); letter-spacing: .09em; }
.specimen svg { display: block; width: 150px; height: 138px; margin: 18px auto 12px; fill: rgba(207,214,210,.16); stroke: #b7c0c0; stroke-width: 3; transition: transform .3s; }
.specimen:hover svg { transform: scale(1.045); }
.specimen-detail { fill: none; stroke: var(--copper-light); stroke-width: 1.1; opacity: .8; }
.specimen-name { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 12px; }
.specimen-name b { font-weight: 600; color: #f1f0e9; }
.specimen-foot { display: flex; justify-content: space-between; margin-top: 11px; padding-top: 10px; border-top: 1px solid rgba(231,234,231,.12); color: #8e989a; font: 7px var(--mono); letter-spacing: .08em; }
.specimen-foot i { font: normal 15px var(--sans); color: var(--copper-light); }

.prices-section { display: grid; grid-template-columns: minmax(0,1fr) minmax(360px,.78fr); gap: min(11vw, 156px); align-items: center; padding: 118px max(calc((100% - 1210px)/2), 56px); background: #20282d; position: relative; }
.prices-section::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .12; background: repeating-linear-gradient(135deg, transparent 0 85px, rgba(255,255,255,.14) 86px, transparent 87px); }
.prices-copy, .price-sheet { position: relative; z-index: 1; }
.prices-copy h2 { margin-top: 27px; font-size: clamp(45px, 5vw, 67px); }
.prices-copy p { max-width: 395px; margin: 25px 0 28px; color: #b0b8b8; font-size: 13px; line-height: 1.75; }
.price-city-picker { display: flex; gap: 8px; margin-bottom: 15px; }
.city-tab { width: 48px; height: 42px; border: 1px solid rgba(236,239,233,.32); background: transparent; color: #bac1c1; font: 11px var(--mono); cursor: pointer; transition: background .2s,color .2s; }
.city-tab:hover, .city-tab.is-active { background: var(--copper); border-color: var(--copper); color: #171c20; }
.placeholder-note { color: #8d999b; font: 7px var(--mono); letter-spacing: .12em; }
.price-sheet { width: min(100%, 425px); justify-self: center; min-height: 410px; padding: 30px 34px 23px; background: #e7e7e0; color: var(--ink); box-shadow: 22px 22px 0 rgba(9,12,14,.22); transform: rotate(.65deg); }
.sheet-top { display: flex; justify-content: space-between; align-items: flex-start; }
.sheet-logo { font-size: 16px; font-weight: 800; letter-spacing: .16em; }
.sheet-logo span { color: var(--copper); }
.sheet-stamp { padding: 6px 8px; border: 1px solid #af714e; color: #9d6444; font: 7px/1.5 var(--mono); letter-spacing: .1em; transform: rotate(4deg); }
.sheet-title { margin-top: 45px; font-size: 26px; font-weight: 700; letter-spacing: -.05em; }
.sheet-city { margin-top: 5px; color: #9d6444; font: 10px var(--mono); letter-spacing: .1em; }
.sheet-rule { height: 1px; background: #858d8b; margin: 21px 0 14px; }
.sheet-meta { display: flex; justify-content: space-between; gap: 10px; margin: 11px 0; color: #677174; font: 7px var(--mono); letter-spacing: .05em; }
.sheet-meta b { color: #293236; font-weight: 500; }
.sheet-skeleton { display: grid; gap: 8px; margin: 20px 0 21px; }
.sheet-skeleton i { display: block; height: 1px; background: #c1c5c2; }
.sheet-skeleton i:nth-child(2) { width: 85%; }.sheet-skeleton i:nth-child(3) { width: 92%; }.sheet-skeleton i:nth-child(4) { width: 62%; }
.button-light { min-height: 44px; width: 100%; justify-content: space-between; padding-inline: 14px; background: var(--ink); color: var(--paper); font-size: 9px; }
.button-light:hover { background: #30383d; }
.sheet-footnote { display: block; margin-top: 13px; text-align: center; color: #758083; font: 7px var(--mono); letter-spacing: .12em; }

.calculator-section { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(50px, 8vw, 120px); align-items: center; padding: 125px max(calc((100% - 1320px)/2), 56px); background: var(--paper); color: var(--ink); }
.calc-heading h2 { font-size: clamp(48px, 5.4vw, 72px); margin-top: 26px; }
.calc-heading p { max-width: 340px; margin: 24px 0 32px; color: #5b6669; font-size: 12px; line-height: 1.8; }
.calc-stamp { display: inline-flex; align-items: center; gap: 11px; padding: 11px 14px; border: 1px solid #aeb6b4; color: #566165; }
.calc-stamp span { font: italic 26px Georgia, serif; color: #9d613f; }
.calc-stamp small { font: 7px/1.5 var(--mono); letter-spacing: .08em; }
.calculator { min-width: 0; border: 1px solid #a7afae; background: #eeeee8; }
.calc-tabs { display: flex; overflow-x: auto; border-bottom: 1px solid #a7afae; scrollbar-width: thin; }
.calc-tab { flex: 1 0 auto; min-height: 48px; padding: 0 12px; border: 0; border-right: 1px solid #a7afae; background: transparent; color: #697477; font-size: 9px; cursor: pointer; }
.calc-tab:last-child { border-right: 0; }
.calc-tab.is-active { background: var(--ink); color: var(--paper); }
.calc-workspace { display: grid; grid-template-columns: 1fr .82fr; min-height: 292px; }
.calc-form { padding: 25px 24px; display: grid; align-content: start; grid-template-columns: 1fr 1fr; gap: 18px 16px; }
.calc-field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.calc-field span { color: #687275; font: 7px var(--mono); letter-spacing: .1em; }
.calc-field input { width: 100%; height: 43px; border: 1px solid #b5bcba; border-radius: 0; padding: 0 12px; background: #f7f7f1; color: var(--ink); outline: none; font-size: 14px; }
.calc-field input:focus { border-color: #a56544; box-shadow: 0 0 0 1px #a56544; }
.calc-field small { color: #8b9495; font: 8px var(--mono); }
.calc-result { display: flex; flex-direction: column; justify-content: center; padding: 26px 24px; background: #dfe0da; border-left: 1px solid #a7afae; }
.result-label { color: #687275; font: 8px var(--mono); letter-spacing: .11em; }
.result-value { display: flex; align-items: baseline; gap: 8px; margin-top: 16px; color: #181e22; }
.result-value strong { font-size: clamp(36px, 4vw, 55px); font-weight: 500; line-height: 1; letter-spacing: -.07em; }
.result-value span { color: #9d613f; font: 12px var(--mono); }
.result-secondary { display: flex; justify-content: space-between; margin-top: 13px; color: #727c7e; font: 9px var(--mono); }
.result-track { height: 3px; margin: 17px 0 13px; background: #c3c8c4; overflow: hidden; }
.result-track i { display: block; width: 0; height: 100%; background: #a56544; transition: width .25s; }
.calc-result p { margin: 0; max-width: 220px; color: #707a7c; font-size: 9px; line-height: 1.6; }
.calc-bottom { display: flex; justify-content: space-between; gap: 15px; padding: 12px 16px; border-top: 1px solid #a7afae; color: #788284; font: 7px var(--mono); letter-spacing: .04em; }

.company-section { display: grid; grid-template-columns: 1fr 1fr; min-height: 650px; background: #e1e2dc; color: var(--ink); }
.company-visual { position: relative; min-height: 590px; background: #273137; overflow: hidden; }
.company-image { position: absolute; inset: 0; background: #273137 url("assets/company-steel-sections.png") center/cover no-repeat; opacity: .82; }
.company-image::before { background: linear-gradient(90deg, rgba(16,20,25,.28), rgba(16,20,25,.10) 70%, rgba(16,20,25,.18)), linear-gradient(0deg, rgba(16,20,25,.24), transparent 50%); }
.company-plate { position: absolute; z-index: 2; top: 16%; left: 17%; width: min(50%, 290px); aspect-ratio: .86; padding: 17px; border: 1px solid rgba(233,235,228,.72); background: rgba(20,27,32,.25); color: #e6e8e0; display: flex; flex-direction: column; justify-content: space-between; transform: rotate(-3deg); }
.plate-number { font: 9px var(--mono); color: var(--copper-light); }
.plate-word { font-size: clamp(31px,4vw,54px); font-weight: 700; letter-spacing: .1em; align-self: center; }
.plate-caption { font: 7px var(--mono); letter-spacing: .1em; }
.plate-cross { position: absolute; top: 45%; right: -15px; color: var(--copper-light); font-size: 21px; }
.company-side { position: absolute; z-index: 2; right: 28px; top: 50%; color: rgba(241,242,237,.72); transform: translateY(-50%); writing-mode: vertical-rl; font: 8px/1.6 var(--mono); letter-spacing: .16em; }
.company-copy { padding: clamp(70px, 8.8vw, 128px) clamp(45px, 8vw, 120px); align-self: center; }
.company-copy h2 { font-size: clamp(45px, 5vw, 68px); }
.company-copy p { max-width: 470px; margin: 24px 0 0; color: #596467; font-size: 12px; line-height: 1.85; }
.company-copy .dark-link { margin-top: 25px; color: #20272b; border-color: #abb2af; }

.popular-markets { min-height: 140px; display: grid; grid-template-columns: 1.1fr repeat(4,1fr); align-items: center; gap: 10px; padding: 28px max(calc((100% - 1320px)/2), 56px); background: #171d22; border-bottom: 1px solid var(--line); }
.market-title { display: flex; align-items: center; gap: 18px; }
.market-separator { display: inline-block; height: 1px; width: 38px; background: var(--copper); }
.market-word { color: #b6bdbd; font: 8px var(--mono); letter-spacing: .08em; }

.request-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(54px, 10vw, 145px); padding: 126px max(calc((100% - 1180px)/2), 56px); background: #20282d; }
.request-copy h2 { font-size: clamp(51px, 6vw, 78px); margin-top: 27px; }
.request-copy > p { max-width: 335px; margin: 26px 0 34px; color: #adb5b5; font-size: 13px; line-height: 1.8; }
.request-note { display: flex; align-items: flex-start; gap: 12px; max-width: 340px; padding-top: 15px; border-top: 1px solid var(--line); color: #899395; font-size: 9px; line-height: 1.65; }
.note-cross { color: var(--copper-light); font-size: 19px; line-height: 1; }
.request-form { padding: 28px; border: 1px solid rgba(234,237,231,.28); background: #1a2024; }
.form-topline { display: flex; justify-content: space-between; padding-bottom: 22px; border-bottom: 1px solid var(--line); color: #a7b0b0; font: 8px var(--mono); letter-spacing: .1em; }
.form-field { display: flex; flex-direction: column; gap: 9px; margin-top: 22px; }
.form-field > span { color: #8d999a; font: 7px var(--mono); letter-spacing: .1em; }
.form-field > span small { margin-left: 8px; color: #707a7d; font-size: 6px; }
.form-field input, .form-field select, .form-field textarea { width: 100%; min-height: 42px; padding: 10px 0; border: 0; border-bottom: 1px solid rgba(230,233,227,.27); border-radius: 0; outline: 0; background: transparent; color: var(--paper); font-size: 12px; resize: vertical; }
.form-field input::placeholder, .form-field textarea::placeholder { color: #697477; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-bottom-color: var(--copper-light); }
.form-field select { color: #adb5b5; }
.form-field select option { background: #1a2024; color: var(--paper); }
.form-split { display: grid; grid-template-columns: 1fr 1fr; gap: 25px; }
.consent { display: flex; align-items: flex-start; gap: 10px; margin-top: 21px; color: #98a2a3; font-size: 9px; line-height: 1.6; cursor: pointer; }
.consent input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.checkmark { flex: 0 0 15px; width: 15px; height: 15px; border: 1px solid #859091; margin-top: 1px; position: relative; }
.consent input:checked + .checkmark { background: var(--copper); border-color: var(--copper); }
.consent input:checked + .checkmark::after { content: "✓"; position: absolute; top: -2px; left: 2px; color: #151a1d; font-size: 12px; }
.consent input:focus-visible + .checkmark { outline: 2px solid var(--copper-light); outline-offset: 2px; }
.consent a { color: #d2d6d1; text-decoration: underline; text-underline-offset: 3px; }
.submit-button { width: 100%; margin-top: 23px; justify-content: space-between; }
.form-status { min-height: 14px; margin: 10px 0 0; color: var(--copper-light); font-size: 10px; line-height: 1.5; }
.form-footnote { margin-top: 3px; color: #788284; font: 7px/1.6 var(--mono); }

.seo-section { padding: 82px max(calc((100% - 1320px)/2), 56px) 94px; background: #e7e8e1; color: var(--ink); border-bottom: 1px solid #c4c9c5; }
.seo-heading { display: flex; align-items: center; justify-content: space-between; padding-bottom: 17px; border-bottom: 1px solid var(--line-dark); }
.seo-index { color: #899193; font: 8px var(--mono); letter-spacing: .1em; }
.seo-body { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; margin-top: 32px; }
.seo-body h2 { margin: 0; font-size: clamp(32px, 4vw, 49px); }
.seo-text { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.seo-text p { margin: 0; color: #596367; font-size: 10px; line-height: 1.8; }

.site-footer { background: #0d1115; }
.footer-main { width: var(--page); margin: 0 auto; display: grid; grid-template-columns: 1fr 1.15fr 1fr .75fr; gap: 45px; padding: 56px 0 51px; }
.footer-brand { align-self: start; }
.footer-manifesto { color: #d0d5d0; font-size: clamp(19px, 2vw, 27px); line-height: 1.35; letter-spacing: -.04em; }
.footer-contact, .footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.footer-contact strong { margin-top: 8px; color: #d9dcd7; font: 9px var(--mono); letter-spacing: .06em; }
.footer-contact > span:not(.micro-label) { color: #899294; font: 8px var(--mono); }
.footer-contact a { margin-top: 8px; color: var(--copper-light); font-size: 9px; }
.footer-contact a b, .footer-bottom b { padding-left: 7px; font-size: 14px; font-weight: 400; }
.footer-links a { color: #a8b0af; font-size: 9px; transition: color .2s; }
.footer-links a:hover { color: var(--copper-light); }
.footer-bottom { min-height: 51px; display: flex; justify-content: space-between; align-items: center; gap: 15px; padding: 10px max(calc((100% - 1440px)/2), 56px); border-top: 1px solid var(--line); color: #758083; font: 7px var(--mono); letter-spacing: .06em; }
.footer-bottom a { color: #9ca5a5; }

@media (min-width: 1600px) { :root { --page: min(100% - 144px, 1500px); } }
@media (max-width: 1100px) {
  :root { --page: calc(100% - 64px); }
  .site-nav { gap: 17px; margin-right: 20px; }
  .site-nav a { font-size: 10px; }
  .header-action { min-width: 160px; padding-inline: 12px; font-size: 9px; }
  .hero { grid-template-columns: minmax(360px,.82fr) minmax(0,1.18fr); min-height: 610px; }
  .hero h1 { font-size: clamp(55px,7vw,78px); }
  .proof-strip { padding-inline: 32px; }
  .proof-item { padding-left: 14px; gap: 8px; }
  .section, .popular-section, .calculator-section { padding-inline: 48px; }
  .catalog-layout { grid-template-columns: .78fr 1.22fr; }
  .catalog-row { grid-template-columns: 29px minmax(115px,1fr) minmax(100px,.7fr) 16px; gap: 7px; }
  .row-name { font-size: 12px; }
  .prices-section { padding-inline: 64px; gap: 55px; }
  .company-copy { padding-inline: 56px; }
  .request-section { padding-inline: 58px; gap: 65px; }
  .seo-section { padding-inline: 48px; }
  .footer-main { gap: 25px; }
  .footer-bottom { padding-inline: 32px; }
}
@media (max-width: 760px) {
  :root { --page: calc(100% - 36px); }
  html { scroll-padding-top: 70px; }
  body { font-size: 14px; }
  .site-header { height: 70px; }
  .brand { min-width: auto; gap: 9px; }
  .brand-symbol { width: 21px; height: 25px; gap: 2px; }
  .brand-symbol i { width: 5px; }
  .brand-word { font-size: 16px; }
  .brand-word small { font-size: 7px; }
  .menu-toggle { display: flex; width: 42px; height: 42px; margin-left: auto; flex-direction: column; justify-content: center; gap: 6px; align-items: center; background: transparent; border: 1px solid var(--line); cursor: pointer; }
  .menu-toggle span { width: 17px; height: 1px; background: var(--paper); transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .site-nav { position: absolute; display: none; top: 69px; left: -18px; right: -18px; margin: 0; padding: 13px 18px 21px; background: #151b20; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav.is-open { display: flex; }
  .site-nav a { min-height: 45px; display: flex; align-items: center; border-bottom: 1px solid rgba(230,233,227,.1); font-size: 12px; }
  .header-action { min-width: 0; width: 41px; height: 42px; margin-left: 8px; padding: 0; justify-content: center; border-color: var(--copper); }
  .header-action span { display: none; }.header-action b { font-size: 19px; }
  .hero { display: flex; flex-direction: column; min-height: initial; height: auto; max-height: none; padding-bottom: 19px; }
  .hero-copy { padding: 50px 2px 0; min-height: 462px; }
  .eyebrow { font-size: 8px; }
  .eyebrow-line { width: 21px; }
  .hero h1 { margin: 28px 0 18px; font-size: clamp(52px, 15.3vw, 76px); line-height: .98; }
  .hero-intro { max-width: 380px; font-size: 12px; line-height: 1.72; }
  .hero-actions { gap: 18px; margin-top: 24px; }
  .button { min-height: 46px; gap: 18px; padding-inline: 14px; font-size: 8px; }
  .text-link { gap: 9px; font-size: 9px; }
  .hero-index { padding-top: 26px; font-size: 7px; }
  .hero-visual { height: clamp(250px, 72vw, 390px); min-height: 250px; margin: 0; }
  .hero-technical { right: 20px; top: 19px; width: 125px; padding: 8px; }
  .hero-technical svg { margin-top: 4px; }
  .tech-code { font-size: 7px; }.tech-dim { font-size: 5px; }
  .hero-visual::after { inset: 7px; }
  .hero-image-caption { bottom: 18px; left: 17px; right: 17px; font-size: 6px; }
  .proof-strip { grid-template-columns: 1fr 1fr; gap: 0; padding: 19px 18px 11px; min-height: initial; }
  .proof-intro { grid-column: 1 / -1; padding-bottom: 14px; }
  .proof-mark { display: none; }
  .proof-item { min-height: 57px; padding: 10px 7px 10px 0; border-left: 0; border-top: 1px solid rgba(230,232,227,.13); font-size: 9px; }
  .proof-item:nth-child(odd) { padding-left: 12px; border-left: 1px solid rgba(230,232,227,.13); }
  .proof-no { font-size: 7px; }
  .section, .popular-section, .calculator-section { padding: 74px 18px; }
  .section-heading { display: block; margin-bottom: 34px; }
  .section-heading h2, .popular-head h2, .prices-copy h2, .calc-heading h2, .company-copy h2, .request-copy h2 { font-size: clamp(43px, 13vw, 60px); }
  .section-heading h2 { margin-top: 18px; }
  .section-aside { margin-top: 20px; max-width: none; }
  .section-aside p { font-size: 11px; margin-bottom: 14px; }
  .catalog-layout { display: block; min-height: 0; }
  .catalog-feature { min-height: 300px; padding: 15px 0 13px; border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .section-art { min-height: 235px; }
  .section-art svg { width: 100%; max-height: 225px; }
  .art-label { font-size: 6px; }
  .feature-caption strong { font-size: 11px; }
  .feature-caption span { font-size: 6px; }
  .catalog-list { padding: 8px 0 0; }
  .catalog-row { min-height: 50px; grid-template-columns: 26px minmax(0,1fr) 21px; gap: 7px; }
  .row-name { font-size: 11px; }
  .row-type { display: none; }
  .row-no { font-size: 8px; }
  .row-arrow { font-size: 13px; }
  .popular-section { padding-top: 73px; padding-bottom: 78px; }
  .popular-head { display: block; margin-bottom: 25px; }
  .popular-head h2 { margin-top: 18px; }
  .popular-head p { margin-top: 17px; font-size: 11px; }
  .specimen-grid { grid-template-columns: 1fr; }
  .specimen { min-height: 210px; padding: 17px 15px; border-right: 0; border-bottom: 1px solid var(--line); }
  .specimen:last-child { border-bottom: 0; }
  .specimen svg { width: 108px; height: 94px; margin: 3px auto 5px; }
  .specimen-index { font-size: 7px; }
  .specimen-name { font-size: 10px; }
  .specimen-foot { font-size: 6px; }
  .prices-section { display: block; padding: 75px 23px 82px; }
  .prices-copy h2 { margin-top: 20px; }
  .prices-copy p { margin: 18px 0 22px; font-size: 11px; }
  .city-tab { width: 42px; height: 38px; }
  .placeholder-note { font-size: 6px; }
  .price-sheet { width: min(100% - 10px, 390px); min-height: 360px; padding: 24px 23px 20px; margin: 36px auto 0; }
  .sheet-title { margin-top: 33px; font-size: 22px; }
  .sheet-meta { font-size: 6px; }
  .calculator-section { display: block; }
  .calc-heading h2 { margin-top: 20px; }
  .calc-heading p { margin: 18px 0 20px; font-size: 11px; }
  .calc-stamp { margin-bottom: 28px; }
  .calc-tabs { display: grid; grid-template-columns: 1fr 1fr; overflow: visible; }
  .calc-tab { min-height: 42px; border-bottom: 1px solid #a7afae; font-size: 8px; }
  .calc-tab:nth-child(2) { border-right: 0; }
  .calc-tab:nth-child(3), .calc-tab:nth-child(4) { border-bottom: 0; }
  .calc-workspace { display: flex; flex-direction: column; min-height: 0; }
  .calc-form { padding: 19px 14px; gap: 14px 12px; }
  .calc-field span { font-size: 6px; }
  .calc-field input { height: 40px; font-size: 13px; padding-inline: 9px; }
  .calc-result { min-height: 195px; padding: 21px 17px; border-left: 0; border-top: 1px solid #a7afae; }
  .result-value strong { font-size: 47px; }
  .calc-bottom { flex-direction: column; font-size: 6px; line-height: 1.5; }
  .company-section { display: flex; flex-direction: column; }
  .company-visual { min-height: 370px; }
  .company-plate { top: 14%; left: 13%; width: 46%; max-width: 210px; padding: 12px; }
  .plate-word { font-size: clamp(27px, 10vw, 39px); }
  .plate-caption { font-size: 6px; }
  .company-side { right: 17px; font-size: 7px; }
  .company-copy { padding: 65px 22px 75px; }
  .company-copy h2 { margin-top: 20px; }
  .company-copy p { font-size: 11px; }
  .popular-markets { grid-template-columns: 1fr 1fr; padding: 22px 18px; gap: 0 14px; min-height: 140px; }
  .market-title { grid-column: 1 / -1; padding-bottom: 15px; }
  .market-word { min-height: 37px; display: flex; align-items: center; border-top: 1px solid var(--line); font-size: 7px; }
  .request-section { display: block; padding: 76px 18px 78px; }
  .request-copy h2 { margin-top: 20px; }
  .request-copy > p { margin: 18px 0 20px; font-size: 11px; }
  .request-note { margin-bottom: 28px; font-size: 8px; }
  .request-form { padding: 19px 16px; }
  .form-topline { font-size: 6px; padding-bottom: 15px; }
  .form-field { margin-top: 17px; }
  .form-field > span { font-size: 6px; }
  .form-field input, .form-field select, .form-field textarea { font-size: 11px; }
  .form-split { grid-template-columns: 1fr; gap: 0; }
  .consent { font-size: 8px; }
  .form-footnote { font-size: 6px; }
  .seo-section { padding: 54px 18px 59px; }
  .seo-heading { align-items: flex-start; gap: 10px; }
  .seo-heading .eyebrow { font-size: 6px; }
  .seo-index { font-size: 6px; white-space: nowrap; }
  .seo-body { display: block; margin-top: 24px; }
  .seo-body h2 { font-size: 34px; }
  .seo-text { grid-template-columns: 1fr; gap: 13px; margin-top: 20px; }
  .seo-text p { font-size: 9px; }
  .footer-main { width: var(--page); grid-template-columns: 1fr 1fr; gap: 32px 20px; padding: 41px 0 33px; }
  .footer-manifesto { font-size: 18px; }
  .footer-contact, .footer-links { gap: 10px; }
  .footer-contact strong, .footer-contact > span:not(.micro-label), .footer-links a { font-size: 7px; }
  .footer-bottom { min-height: 63px; padding: 12px 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 9px; font-size: 5px; }
  .footer-bottom span:nth-child(2) { text-align: right; }
  .footer-bottom a { grid-column: 1 / -1; font-size: 6px; }
}
@media (max-width: 380px) {
  .hero-copy { min-height: 450px; }
  .hero-actions { gap: 12px; }
  .hero-actions .button { padding-inline: 11px; gap: 12px; }
  .text-link { font-size: 8px; }
  .proof-item { font-size: 8px; }
  .catalog-row { grid-template-columns: 22px minmax(0,1fr) 18px; }
  .prices-section { padding-inline: 18px; }
  .price-sheet { padding-inline: 17px; }
  .footer-main { gap: 28px 13px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

/* Final polish: clearer hierarchy, real section drawings and legible engineering labels. */
.hero-copy { padding: clamp(58px, 6.7vw, 96px) 30px 28px 0; }
.hero h1 { margin: 28px 0 18px; font-size: clamp(56px, 5.2vw, 74px); }
.hero-actions { gap: 24px; margin-top: 24px; }
.hero-index { padding-top: 22px; font-size: 11px; color: #a6afb0; }
.hero-image-caption { font-size: 11px; color: #e0e3de; }
.micro-label, .eyebrow { font-size: 11px; }
.proof-item { font-size: 12px; }
.proof-no { font-size: 11px; }
.dark-eyebrow { color: #505b5e; }
.brand-word small, .catalog-search kbd, .calc-stamp small { font-size: 11px; }
.calc-result p { color: #5d6769; font-size: 11px; }
.catalog-layout { min-height: 0; }
.feature-topline, .row-no, .row-type { font-size: 11px; }
.feature-topline, .row-type { color: #566164; }
.section-art { min-height: 300px; }
.section-art svg { width: min(95%, 430px); max-height: 100%; }
.art-grid { stroke: #aab3b1; stroke-width: 1; opacity: .34; }
.art-dims { stroke: #986142; stroke-width: 1.2; }
.section-shape { display: none; stroke: #293338; stroke-width: 3; stroke-linejoin: miter; fill: rgba(104,116,118,.24); }
.section-shape.is-active { display: block; animation: section-in .24s ease-out both; }
.section-shape .shape-detail { fill: none; stroke: #a76745; stroke-width: 2; }
.section-shape .shape-inner { fill: none; stroke: #a76745; stroke-width: 2; }
.section-shape .shape-hole { fill: var(--paper); stroke: #293338; stroke-width: 3; }
@keyframes section-in { from { opacity: .35; transform: scale(.96); } to { opacity: 1; transform: scale(1); } }
.art-label { font-size: 11px; color: #505b5e; }
.feature-caption span { font-size: 11px; color: #566164; }
.specimen { min-height: 370px; display: flex; flex-direction: column; }
.specimen-index, .specimen-foot { font-size: 11px; }
.specimen-index { color: #b3bdbe; }
.specimen svg { flex: 0 0 auto; }
.specimen-specs { margin: 12px 0 0; padding: 9px 0 0; border-top: 1px solid rgba(231,234,231,.16); }
.specimen-specs > div { display: grid; grid-template-columns: 108px minmax(0,1fr); gap: 10px; align-items: baseline; min-height: 24px; padding: 3px 0; border-bottom: 1px solid rgba(231,234,231,.09); }
.specimen-specs dt { color: #b2bcbd; font: 11px/1.35 var(--mono); }
.specimen-specs dd { margin: 0; color: #e1e3de; font-size: 11px; line-height: 1.4; }
.specimen-foot { margin-top: auto; color: #bac3c3; }
.specimen-footnote { margin: 14px 0 0; color: #aeb8b8; font: 11px/1.5 var(--mono); }
.city-tab { width: auto; min-width: 100px; padding: 0 12px; font: 11px var(--mono); }
.placeholder-note, .sheet-stamp, .sheet-city, .sheet-meta, .sheet-footnote { font-size: 11px; }
.sheet-meta { color: #535f62; }
.sheet-footnote { color: #596568; }
.calc-field span, .calc-field small, .result-label, .result-secondary, .calc-bottom { font-size: 11px; }
.calc-field span, .result-label { color: #4e5b5e; }
.calc-field small, .result-secondary, .calc-bottom { color: #5f696b; }
.calc-tab { font-size: 11px; }
.calc-field input { height: 39px; padding: 0 2px; border: 0; border-bottom: 1px solid #87908f; background: transparent; }
.calc-field input:focus { border-color: #a56544; box-shadow: none; }
.result-value { margin-top: 13px; }
.result-value strong { color: #9d613f; font-size: clamp(44px, 4.4vw, 61px); font-weight: 600; }
.result-secondary { justify-content: flex-start; gap: 13px; flex-wrap: wrap; }
.result-secondary b { color: #20282d; font-size: 13px; font-weight: 600; }
.plate-number, .plate-caption { font-size: 11px; }
.request-section { padding-top: 60px; padding-bottom: 48px; }
.request-note { color: #b1b9b9; font-size: 12px; }
.form-topline, .form-field > span, .form-field > span small { font-size: 11px; }
.form-field > span { color: #bdc5c4; }
.form-field > span small { color: #a3adad; }
.form-field input::placeholder, .form-field textarea::placeholder { color: #9aa4a5; }
.consent { color: #c1c9c8; font-size: 11px; }
.form-status { font-size: 12px; }
.form-status.is-success { min-height: 0; margin-top: 16px; padding: 13px 15px; border-left: 2px solid var(--copper-light); background: rgba(182,116,80,.12); color: #f0d1bc; }
.seo-section { padding-top: 64px; }
.seo-index { color: #626d70; font-size: 11px; }
.seo-text p { font-size: 11px; }
.footer-contact strong, .footer-contact > span:not(.micro-label), .footer-links a { font-size: 11px; }
.footer-contact > span:not(.micro-label) { color: #bac2c1; }
.footer-phone { margin-top: 8px; color: #e1e4df; font: 11px var(--mono); letter-spacing: .03em; }
.footer-bottom { color: #aab3b3; font-size: 11px; }
.footer-bottom a { color: #c6cecd; }
.city-tab:focus-visible, .calc-tab:focus-visible, .catalog-row:focus-visible, .specimen:focus-visible, .button:focus-visible, .header-action:focus-visible, .text-link:focus-visible { outline: 2px solid var(--copper-light); outline-offset: 3px; }
.catalog-section { padding-bottom: 64px; }
.popular-section { padding-bottom: 78px; }

@media (max-width: 1100px) {
  .hero-copy { padding-top: 68px; }
  .hero h1 { font-size: clamp(56px, 5.7vw, 68px); }
}
@media (max-width: 760px) {
  .hero-copy { padding: 50px 2px 0; min-height: 462px; }
  .hero h1 { margin: 28px 0 18px; font-size: clamp(52px, 15.3vw, 76px); }
  .hero-index { font-size: 11px; gap: 8px; }
  .hero-image-caption { font-size: 11px; }
  .eyebrow, .micro-label { font-size: 11px; }
  .proof-no { font-size: 11px; }
  .section-art { min-height: 235px; }
  .section-art svg { width: 100%; max-height: 225px; }
  .catalog-section { padding-bottom: 45px; }
  .art-label, .feature-topline, .feature-caption span { font-size: 11px; }
  .row-no { font-size: 11px; }
  .specimen { min-height: 0; padding: 17px 15px 18px; }
  .specimen-index, .specimen-foot, .specimen-specs dt { font-size: 11px; }
  .specimen-specs dd { font-size: 11px; }
  .specimen-specs > div { grid-template-columns: 102px minmax(0,1fr); }
  .city-tab { min-width: 94px; min-height: 40px; padding-inline: 10px; }
  .placeholder-note, .sheet-meta, .sheet-footnote { font-size: 11px; }
  .sheet-stamp, .sheet-city { font-size: 11px; }
  .calc-tab { font-size: 11px; }
  .calc-field span, .calc-field small, .result-label, .result-secondary, .calc-bottom { font-size: 11px; }
  .company-plate .plate-number, .company-plate .plate-caption { font-size: 11px; }
  .plate-caption { line-height: 1.5; text-align: center; }
  .request-section { padding-top: 52px; padding-bottom: 42px; }
  .form-topline, .form-field > span, .form-field > span small, .consent { font-size: 11px; }
  .seo-section { padding-top: 45px; }
  .seo-heading .eyebrow, .seo-index { font-size: 11px; white-space: normal; }
  .seo-text p { font-size: 11px; }
  .footer-contact strong, .footer-contact > span:not(.micro-label), .footer-links a, .footer-phone { font-size: 11px; }
  .footer-bottom { grid-template-columns: 1fr; font-size: 11px; line-height: 1.5; }
  .footer-bottom span:nth-child(2) { text-align: left; }
  .footer-bottom a { font-size: 11px; }
}
@media (max-width: 400px) {
  .hero-copy { min-height: 462px; }
  .hero-actions { gap: 12px; }
  .hero-actions .button { padding-inline: 11px; gap: 12px; }
  .text-link { font-size: 9px; }
  .city-tab { min-width: 90px; padding-inline: 8px; }
  .specimen-specs > div { grid-template-columns: 90px minmax(0,1fr); }
}

/* Typography and material finish pass */
:root {
  --display: "Oswald", "Arial Narrow", Impact, sans-serif;
  --section-space: clamp(88px, 8vw, 112px);
}
body { font-size: 17px; line-height: 1.6; }
h1, h2, .feature-caption strong, .sheet-title {
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: .005em;
  word-break: normal;
  overflow-wrap: normal;
  hyphens: none;
}
.hero h1 { margin: 28px 0 20px; font-size: clamp(58px, 5vw, 72px); line-height: .99; letter-spacing: .005em; }
.section-heading h2, .popular-head h2, .prices-copy h2, .calc-heading h2, .company-copy h2, .request-copy h2, .seo-body h2 {
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: .005em;
  line-height: 1.02;
}
.section-heading h2, .popular-head h2, .prices-copy h2, .calc-heading h2, .company-copy h2 { font-size: clamp(48px, 4.8vw, 68px); }
.request-copy h2 { font-size: clamp(54px, 5.8vw, 78px); }
.seo-body h2 { font-size: clamp(39px, 4.2vw, 53px); }
.hero-intro, .section-aside p, .popular-head > p, .prices-copy > p, .calc-heading > p,
.company-copy p, .request-copy > p, .request-note, .seo-text p {
  max-width: 65ch;
  font-size: 17px;
  line-height: 1.6;
}
.hero-intro { max-width: 29ch; color: #c6cdcc; }
.section-aside p, .calc-heading > p, .company-copy p, .seo-text p { color: #455154; }
.popular-head > p { color: #c0c8c7; }
.prices-copy > p, .request-copy > p, .request-note { color: #d0d6d4; }
.site-nav { gap: clamp(19px, 2vw, 31px); margin-right: 34px; }
.site-nav a {
  position: relative;
  padding: 13px 0 15px;
  color: #f0f2ed;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  transition: color .2s ease;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 7px;
  height: 1px;
  background: var(--copper-light);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.site-nav a:hover, .site-nav a:focus-visible, .site-nav a.is-active { color: #fff; }
.site-nav a:hover::after, .site-nav a:focus-visible::after, .site-nav a.is-active::after { transform: scaleX(1); }
.header-action {
  min-width: 210px;
  min-height: 50px;
  padding: 10px 16px;
  color: var(--paper);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .01em;
  text-transform: none;
}
.button, .header-action { position: relative; isolation: isolate; overflow: hidden; }
.button { min-height: 50px; gap: 16px; padding-inline: 18px; font-size: 15px; font-weight: 700; letter-spacing: .01em; text-transform: none; }
.button-copper::before, .button-light::before, .header-action::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .36s cubic-bezier(.2,.7,.2,1);
}
.button-copper::before { background: var(--copper-light); }
.button-light::before, .header-action::before { background: var(--copper); }
.button:hover::before, .header-action:hover::before { transform: scaleX(1); }
.button-copper:hover { background: var(--copper); }
.button-light { min-height: 50px; color: var(--paper); font-size: 15px; }
.button-light:hover { background: var(--ink); color: #111619; border-color: var(--copper); }
.header-action:hover { background: transparent; color: #111619; border-color: var(--copper); }
.header-action b { transition: transform .25s ease, color .25s ease; }
.header-action:hover b { transform: translateX(3px); color: #111619; }
.text-link { position: relative; min-height: 48px; gap: 12px; padding: 8px 0 10px; border-bottom: 0; color: #f0f2ed; font-size: 15px; font-weight: 700; }
.text-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 1px;
  background: var(--copper-light);
  transform: scaleX(.4);
  transform-origin: left;
  transition: transform .28s ease;
}
.text-link:hover::after, .text-link:focus-visible::after { transform: scaleX(1); }
.text-link span { transition: transform .25s ease; }
.text-link:hover span, .text-link:focus-visible span { transform: translateX(5px); }
.site-nav a:focus-visible, .button:focus-visible, .header-action:focus-visible, .text-link:focus-visible,
.catalog-row:focus-visible, .city-tab:focus-visible, .calc-tab:focus-visible, .specimen:focus-visible,
.footer-links a:focus-visible, .footer-contact a:focus-visible, .footer-bottom a:focus-visible,
.menu-toggle:focus-visible, .catalog-search input:focus-visible, .form-field input:focus-visible,
.form-field select:focus-visible, .form-field textarea:focus-visible {
  outline: 2px solid var(--copper-light);
  outline-offset: 4px;
}
.hero-index, .hero-image-caption, .eyebrow, .micro-label { color: #d0d6d5; }
.micro-label { font-size: 12px; }
.proof-item { font-size: 15px; line-height: 1.5; }
.proof-no { font-size: 12px; }
.section, .popular-section, .prices-section, .calculator-section, .request-section { padding-block: var(--section-space); }
.catalog-section { padding-bottom: 68px; }
.popular-section { padding-bottom: var(--section-space); background-color: #11161a; background-image: repeating-linear-gradient(90deg, rgba(230,236,233,.012) 0 1px, transparent 1px 6px); }
.request-section { background-image: repeating-linear-gradient(90deg, rgba(230,236,233,.012) 0 1px, transparent 1px 6px); }
.site-footer { background-image: repeating-linear-gradient(90deg, rgba(230,236,233,.012) 0 1px, transparent 1px 6px); }
.eyebrow, .hero-index, .hero-image-caption, .feature-topline, .art-label, .feature-caption span,
.row-no, .row-type, .specimen-index, .specimen-specs dt, .specimen-foot, .specimen-footnote,
.placeholder-note, .sheet-stamp, .sheet-city, .sheet-meta, .sheet-footnote, .calc-stamp small,
.calc-field > span, .calc-field small, .result-label, .result-secondary, .calc-bottom, .plate-number,
.plate-caption, .market-word, .form-topline, .form-field > span, .form-field > span small,
.form-footnote, .seo-index, .footer-contact strong, .footer-contact > span:not(.micro-label), .footer-bottom {
  font-size: 12px;
  line-height: 1.5;
}
.eyebrow, .hero-index, .hero-image-caption, .specimen-index, .specimen-specs dt, .specimen-foot,
.form-topline, .form-field > span, .footer-bottom { letter-spacing: .07em; }
.eyebrow { color: #d0d6d5; }
.hero-index, .micro-label, .hero-image-caption, .specimen-index, .specimen-foot, .placeholder-note,
.form-topline, .form-field > span, .footer-bottom { color: #c2cbca; }
.dark-eyebrow, .feature-topline, .art-label, .feature-caption span, .row-no, .row-type,
.sheet-stamp, .sheet-city, .sheet-meta, .sheet-footnote, .calc-field > span, .calc-field small,
.result-label, .result-secondary, .calc-bottom, .seo-index { color: #4c585b; }
.hero-image-caption { color: #f0f2ed; }
.hero h1 { animation: baikal-hero-rise .72s cubic-bezier(.2,.72,.24,1) both; }
.hero-visual { animation: baikal-photo-reveal .9s cubic-bezier(.2,.72,.24,1) .1s both; }
@keyframes baikal-hero-rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes baikal-photo-reveal { from { opacity: .45; transform: translateX(14px); } to { opacity: 1; transform: translateX(0); } }
.art-grid { stroke: #8d9a9a; opacity: .48; }
.art-dims { stroke: #a76745; stroke-width: 1.4; stroke-dasharray: none; stroke-linecap: square; opacity: .92; }
.art-label { padding: 4px 7px; border-left: 1px solid var(--copper); color: #3c484b; }
.label-d { right: 8%; bottom: 18%; }
.art-lot-mark { position: absolute; z-index: 1; top: 7%; right: 8%; display: flex; flex-direction: column; gap: 2px; padding-left: 8px; border-left: 1px solid var(--copper); color: #4c585b; font: 12px/1.4 var(--mono); letter-spacing: .04em; }
.art-lot-mark span { color: #697579; }
.art-lot-mark b { font-size: 12px; font-weight: 600; }
.feature-caption { gap: 14px; }
.feature-caption strong { font-size: 21px; }
.catalog-search input { font-size: 16px; }
.catalog-search kbd, .brand-word small, .calc-stamp small { font-size: 12px; }
.catalog-row { position: relative; min-height: 55px; grid-template-columns: 38px minmax(140px,1fr) minmax(155px,.78fr) 24px; gap: 12px; padding: 8px 8px 8px 2px; }
.catalog-row::before { content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 2px; background: var(--copper); transform: scaleY(0); transition: transform .22s ease; }
.catalog-row:hover, .catalog-row:focus-visible { padding-left: 12px; background: rgba(182,116,80,.11); outline: 0; }
.catalog-row:focus-visible { outline: 2px solid var(--copper); outline-offset: 2px; }
.catalog-row:hover::before, .catalog-row:focus-visible::before { transform: scaleY(1); }
.row-name { color: #172025; font-size: 18px; font-weight: 700; }
.row-type { color: #4b585b; }
.row-arrow { transition: transform .25s ease; }
.catalog-row:hover .row-arrow, .catalog-row:focus-visible .row-arrow { transform: translateX(4px); }
.section-shape { display: block; visibility: hidden; opacity: 0; transform: scale(.96); transform-origin: center; transition: opacity .28s ease, transform .34s ease, visibility 0s linear .34s; animation: none; }
.section-shape.is-active { visibility: visible; opacity: 1; transform: scale(1); transition-delay: 0s; }
.specimen-name { font-size: 18px; }
.specimen-specs { margin-top: 14px; }
.specimen-specs > div { min-height: 27px; }
.specimen-specs dt { color: #c0c9c8; font-size: 12px; }
.specimen-specs dd { color: #f0f1ec; font-size: 17px; line-height: 1.48; }
.specimen-foot { color: #d0d7d5; }
.specimen-footnote { color: #c1cbca; }
.city-tab { min-width: 120px; min-height: 48px; height: 48px; padding-inline: 14px; color: #f0f2ed; font-size: 14px; font-weight: 600; }
.city-tab:hover, .city-tab.is-active { color: #171c20; }
.sheet-title { font-size: 30px; }
.sheet-meta { color: #465255; }
.button-light { font-size: 15px; }
.calc-tab { min-height: 50px; font-size: 14px; font-weight: 600; }
.calc-field > span, .result-label { color: #374548; }
.calc-field small, .result-secondary, .calc-bottom { color: #536063; }
.calc-field input { min-height: 46px; font-size: 16px; }
.calc-result p { max-width: 33ch; color: #4b5759; font-size: 14px; line-height: 1.55; }
.calc-bottom { line-height: 1.5; }
.company-copy p { color: #465255; }
.request-note { color: #cbd2d1; }
.form-topline, .form-field > span { color: #d0d7d6; }
.form-field > span small { color: #bac4c3; }
.form-field input, .form-field select, .form-field textarea { min-height: 48px; font-size: 16px; }
.form-field input::placeholder, .form-field textarea::placeholder { color: #acb7b6; }
.consent { color: #d0d7d6; font-size: 14px; line-height: 1.55; }
.form-footnote { color: #bdc7c6; }
.form-status { font-size: 14px; }
.seo-text p { color: #455154; }
.footer-manifesto { font-family: var(--display); font-size: clamp(24px, 2.3vw, 31px); letter-spacing: .01em; }
.footer-contact strong, .footer-contact > span:not(.micro-label) { color: #d0d7d6; }
.footer-phone { color: #f0f2ed; font-size: 15px; }
.footer-contact a:not(.footer-phone), .footer-links a { color: #d0d7d6; font-size: 14px; transition: color .2s ease, transform .2s ease; }
.footer-links a:hover, .footer-contact a:hover { color: var(--copper-light); transform: translateX(3px); }
.footer-bottom { color: #c2cbca; }

@media (max-width: 1100px) {
  .site-nav { gap: 15px; margin-right: 22px; }
  .site-nav a { font-size: 14px; }
  .header-action { min-width: 200px; font-size: 14px; }
  .hero h1 { font-size: clamp(56px, 5.3vw, 66px); }
  .catalog-row { grid-template-columns: 34px minmax(125px,1fr) minmax(125px,.78fr) 20px; gap: 8px; }
}
@media (max-width: 900px) {
  .site-header { height: 76px; }
  .menu-toggle { display: flex; width: 48px; height: 48px; margin-left: auto; flex-direction: column; justify-content: center; gap: 6px; align-items: center; background: transparent; border: 1px solid var(--line); cursor: pointer; }
  .menu-toggle span { width: 19px; height: 1px; background: var(--paper); transition: transform .2s ease; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .site-nav { position: absolute; display: none; top: 75px; left: 0; right: 0; margin: 0; padding: 12px 20px 18px; background: #151b20; border: 1px solid var(--line); border-top: 0; flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav.is-open { display: flex; }
  .site-nav a { min-height: 50px; display: flex; align-items: center; padding: 8px 0; border-bottom: 1px solid rgba(230,233,227,.16); font-size: 16px; }
  .site-nav a::after { bottom: 5px; right: auto; width: 38px; }
  .header-action { min-width: 48px; width: 48px; height: 48px; margin-left: 10px; padding: 0; justify-content: center; border-color: var(--copper); }
  .header-action span { display: none; }
  .header-action b { font-size: 21px; }
  .section, .popular-section, .prices-section, .calculator-section, .request-section { padding-block: 84px; }
}
@media (max-width: 760px) {
  :root { --page: calc(100% - 36px); }
  body { font-size: 16px; }
  .site-header { height: 70px; }
  .site-nav { top: 69px; left: -18px; right: -18px; }
  .site-nav a { min-height: 50px; font-size: 16px; }
  .header-action { width: 48px; min-width: 48px; height: 48px; }
  .menu-toggle { width: 48px; height: 48px; }
  .hero-copy { padding: 43px 2px 0; min-height: 0; }
  .hero h1 { margin: 24px 0 17px; font-size: clamp(48px, 13.2vw, 58px); line-height: 1.02; }
  .hero-intro, .section-aside p, .popular-head > p, .prices-copy > p, .calc-heading > p,
  .company-copy p, .request-copy > p, .request-note, .seo-text p { font-size: 16px; line-height: 1.6; }
  .hero-intro { max-width: 37ch; }
  .hero-actions { flex-wrap: wrap; gap: 12px 18px; margin-top: 23px; }
  .button { min-height: 48px; font-size: 14px; gap: 12px; padding-inline: 14px; }
  .text-link { min-height: 48px; font-size: 14px; gap: 8px; }
  .hero-index { padding-top: 27px; }
  .hero-image-caption { bottom: 16px; left: 18px; right: 18px; gap: 12px; font-size: 12px; }
  .proof-strip { padding: 20px 18px 12px; }
  .proof-item { min-height: 64px; font-size: 14px; }
  .section, .popular-section, .prices-section, .calculator-section, .request-section { padding: 68px 18px; }
  .catalog-section { padding-bottom: 54px; }
  .section-heading { margin-bottom: 32px; }
  .section-heading h2, .popular-head h2, .prices-copy h2, .calc-heading h2, .company-copy h2 { font-size: clamp(43px, 11.5vw, 56px); }
  .request-copy h2 { font-size: clamp(49px, 13vw, 61px); }
  .seo-body h2 { font-size: clamp(37px, 10vw, 45px); }
  .section-aside p { margin-bottom: 16px; }
  .section-art { min-height: 245px; }
  .section-art svg { width: 100%; max-height: 235px; }
  .art-label { font-size: 12px; }
  .label-c { left: 6%; bottom: 8%; }
  .label-d { right: 6%; bottom: 22%; }
  .art-lot-mark { top: 5%; right: 6%; }
  .feature-caption { align-items: flex-start; flex-wrap: wrap; }
  .feature-caption strong { font-size: 21px; }
  .feature-caption span { max-width: 100%; font-size: 12px; text-align: left; }
  .catalog-row { min-height: 56px; grid-template-columns: 30px minmax(0,1fr) 24px; gap: 8px; padding-inline: 2px; }
  .catalog-row:hover, .catalog-row:focus-visible { padding-left: 11px; }
  .row-name { font-size: 17px; }
  .row-no { font-size: 12px; }
  .row-type { display: none; }
  .popular-head { display: block; margin-bottom: 31px; }
  .popular-head > p { max-width: 62ch; margin-top: 16px; }
  .specimen { min-height: 0; padding: 18px 16px; }
  .specimen-name { display: block; font-size: 17px; }
  .specimen-name b { display: block; margin-top: 3px; font-size: 17px; text-align: left; }
  .specimen-index, .specimen-foot { font-size: 12px; }
  .specimen-specs dt { font-size: 12px; }
  .specimen-specs dd { font-size: 16px; }
  .specimen-specs > div { grid-template-columns: 95px minmax(0,1fr); gap: 8px; }
  .specimen-footnote { font-size: 12px; }
  .price-city-picker { gap: 7px; }
  .city-tab { flex: 1; min-width: 0; height: 48px; padding-inline: 8px; font-size: 14px; }
  .price-sheet { width: min(100%, 425px); padding: 25px 23px; }
  .sheet-title { font-size: 28px; }
  .sheet-meta, .sheet-footnote, .sheet-stamp, .sheet-city, .placeholder-note { font-size: 12px; }
  .button-light { font-size: 14px; }
  .calc-tabs { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); overflow: visible; }
  .calc-tab { min-height: 48px; padding-inline: 7px; font-size: 14px; }
  .calc-workspace { grid-template-columns: 1fr; }
  .calc-form { padding: 20px 18px; }
  .calc-field > span, .calc-field small, .result-label, .result-secondary, .calc-bottom { font-size: 12px; }
  .calc-result { padding: 24px 18px; border-left: 0; border-top: 1px solid #a7afae; }
  .calc-result p { font-size: 14px; }
  .calc-bottom { flex-direction: column; gap: 5px; padding: 12px 14px; }
  .company-section { grid-template-columns: 1fr; min-height: 0; }
  .company-visual { min-height: 410px; }
  .company-copy { padding: 58px 24px 64px; }
  .company-copy p { max-width: 60ch; }
  .plate-number, .plate-caption { font-size: 12px; }
  .popular-markets { min-height: 0; grid-template-columns: 1fr 1fr; padding: 24px 18px; gap: 0 16px; }
  .market-title { grid-column: 1 / -1; padding-bottom: 10px; }
  .market-word { min-height: 42px; font-size: 12px; }
  .request-copy > p { max-width: 60ch; }
  .request-note { max-width: 60ch; }
  .request-form { padding: 22px 18px; }
  .form-topline, .form-field > span, .form-field > span small { font-size: 12px; }
  .form-field { margin-top: 17px; }
  .form-field input, .form-field select, .form-field textarea { font-size: 16px; }
  .consent { font-size: 14px; }
  .form-footnote { font-size: 12px; }
  .seo-section { padding: 52px 18px 62px; }
  .seo-index, .seo-heading .eyebrow { font-size: 12px; }
  .seo-body { margin-top: 24px; }
  .seo-text { gap: 16px; margin-top: 20px; }
  .seo-text p { font-size: 16px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 30px 18px; padding: 40px 0 34px; }
  .footer-manifesto { font-size: 24px; }
  .footer-contact strong, .footer-contact > span:not(.micro-label), .footer-links a, .footer-phone { font-size: 14px; }
  .footer-bottom { grid-template-columns: 1fr; gap: 8px; padding: 14px 18px; font-size: 12px; line-height: 1.5; letter-spacing: .03em; }
  .footer-bottom span:nth-child(2) { text-align: left; }
  .footer-bottom a { grid-column: auto; font-size: 14px; }
}
@media (max-width: 400px) {
  .hero h1 { font-size: clamp(47px, 12.5vw, 52px); }
  .hero-actions { gap: 9px 12px; }
  .hero-actions .button { padding-inline: 11px; gap: 9px; }
  .text-link { font-size: 14px; }
  .specimen-specs > div { grid-template-columns: 82px minmax(0,1fr); }
  .sheet-meta { gap: 7px; }
  .footer-main { grid-template-columns: 1fr; gap: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero h1, .hero-visual { animation: none; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}

/* Baikal Steel wordmark fit and footer contact */
.brand-word { white-space: nowrap; letter-spacing: .11em; }
.brand-word small { letter-spacing: .08em; }
.sheet-logo { white-space: nowrap; letter-spacing: .08em; }
.plate-word { font-size: clamp(22px, 2.05vw, 30px); letter-spacing: .035em; white-space: nowrap; }
.footer-contact a.footer-phone {
  color: #f0f2ed;
  font: 600 18px/1.4 "Manrope", sans-serif;
  letter-spacing: 0;
  transition: color .2s ease, transform .2s ease;
}
.footer-contact a.footer-phone:hover { color: var(--copper-light); transform: translateX(3px); }
@media (max-width: 760px) {
  .company-plate { width: min(72%, 290px); }
  .plate-word { font-size: clamp(19px, 5.6vw, 24px); letter-spacing: .025em; }
  .footer-contact a.footer-phone { font-size: 16px; }
}
@media (max-width: 400px) {
  .brand-word { font-size: 15px; letter-spacing: .08em; }
  .brand-word small { font-size: 9px; letter-spacing: .07em; }
}