:root {
  --paper: #edeae2;
  --paper-light: #f6f4ee;
  --ink: #121513;
  --ink-soft: #202521;
  --muted: #757a73;
  --line: rgba(18, 21, 19, 0.17);
  --line-dark: rgba(246, 244, 238, 0.19);
  --lime: #d6ff3f;
  --lime-dark: #afdb20;
  --red: #e0013f;
  --cyan: #67b2ca;
  --dark: #151a17;
  --dark-2: #202621;
  --mono: "IBM Plex Mono", monospace;
  --sans: "IBM Plex Sans", sans-serif;
  --display: "Unbounded", sans-serif;
  --container: 1280px;
  --shadow: 0 22px 60px rgba(18, 21, 19, 0.13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; }
body { min-width: 320px; margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.5; }
body::before { position: fixed; inset: 0; z-index: 100; opacity: .032; pointer-events: none; content: ""; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E"); }
::selection { background: var(--lime); color: var(--ink); }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
.container { width: min(var(--container), calc(100% - 88px)); margin-inline: auto; }

.topline { background: var(--ink); color: var(--paper); font: 11px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.topline__inner { display: flex; width: min(var(--container), calc(100% - 88px)); min-height: 34px; align-items: center; justify-content: space-between; margin-inline: auto; gap: 20px; }
.topline a { color: var(--lime); }
.topline__status { display: inline-flex; align-items: center; gap: 8px; color: #b9c0b5; }
.topline__status i { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 4px rgba(214, 255, 63, .12); }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(237, 234, 226, .94); border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); }
.header-main { display: grid; min-height: 82px; grid-template-columns: 210px minmax(0, 1fr) auto; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 12px; width: fit-content; }
.brand img { width: 122px; }
.brand > span { padding-left: 12px; border-left: 1px solid var(--line); color: var(--muted); font: 9px/1.25 var(--mono); letter-spacing: .1em; }
.main-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 30px; }
.main-nav a { position: relative; padding: 8px 0; color: var(--muted); font: 12px var(--mono); text-transform: uppercase; transition: color .25s ease; }
.main-nav a::after { position: absolute; right: 0; bottom: 0; left: 0; height: 2px; background: var(--lime-dark); content: ""; transform: scaleX(0); transform-origin: left; transition: transform .25s ease; }
.main-nav a:hover, .main-nav a.is-current { color: var(--ink); }
.main-nav a:hover::after, .main-nav a.is-current::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 22px; }
.phone-link { white-space: nowrap; font: 12px var(--mono); }
.button, .btn { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 20px; padding: 13px 19px; border: 1px solid transparent; border-radius: 0; font: 600 12px/1 var(--mono); cursor: pointer; text-transform: uppercase; transition: background .25s ease, color .25s ease, border-color .25s ease, transform .25s ease; }
.button span, .btn span { font-size: 16px; line-height: 0; }
.button:hover, .btn:hover { transform: translateY(-2px); }
.button--lime, .btn-primary { background: var(--lime); color: var(--ink); }
.button--lime:hover, .btn-primary:hover { background: #e6ff79; }
.button--outline, .btn-secondary, .btn-ghost { border-color: var(--line); background: transparent; color: var(--ink); }
.button--outline:hover, .btn-secondary:hover, .btn-ghost:hover { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.menu-toggle { display: none; width: 40px; height: 40px; border: 1px solid var(--line); background: transparent; }
.menu-toggle span { display: block; width: 17px; height: 1px; margin: 5px auto; background: var(--ink); }

.kicker { display: flex; align-items: center; gap: 13px; margin: 0 0 30px; color: var(--muted); font: 11px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.kicker span { color: var(--lime-dark); }
.hero { position: relative; overflow: hidden; min-height: 740px; background: var(--dark); color: var(--paper); }
.hero::before { position: absolute; top: -180px; left: -100px; width: 560px; height: 560px; border: 1px solid rgba(214,255,63,.16); border-radius: 50%; content: ""; }
.hero::after { position: absolute; right: 38%; bottom: -340px; width: 630px; height: 630px; border: 1px solid rgba(214,255,63,.12); border-radius: 50%; content: ""; }
.hero__grid { position: relative; z-index: 1; display: grid; min-height: 700px; grid-template-columns: minmax(0, .88fr) minmax(460px, 1.12fr); gap: 56px; align-items: center; padding: 78px 0 106px; }
.hero__copy { position: relative; z-index: 2; padding-bottom: 6px; }
.hero__copy > * { animation: rise-in .8s both; }
.hero__copy > :nth-child(2) { animation-delay: .08s; }
.hero__copy > :nth-child(3) { animation-delay: .16s; }
.hero__copy > :nth-child(4) { animation-delay: .24s; }
.hero__copy > :nth-child(5) { animation-delay: .32s; }
.hero__visual { animation: visual-in 1s .18s both; }
@keyframes rise-in { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes visual-in { from { opacity: 0; transform: translateX(24px) rotate(.5deg); } to { opacity: 1; transform: translateX(0) rotate(0); } }
.hero .kicker { color: #9ea69c; }
.hero .kicker span { color: var(--lime); }
.hero h1, .manifesto h2, .section-intro h2, .request-copy h2 { margin: 0; font-family: var(--display); font-weight: 500; letter-spacing: -.08em; }
.hero h1 { max-width: 760px; font-size: clamp(52px, 6.8vw, 104px); line-height: .98; }
.hero h1 em, .section-intro h2 em, .manifesto h2 span, .request-copy h2 em { color: var(--lime); font-style: normal; }
.hero__lead { max-width: 430px; margin: 30px 0 36px; color: #bdc2ba; font-size: 18px; line-height: 1.5; }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; }
.text-link { display: inline-flex; align-items: center; gap: 15px; color: var(--paper); font: 12px var(--mono); text-transform: uppercase; }
.text-link span { color: var(--lime); font-size: 17px; }
.text-link:hover span { transform: translate(3px, -3px); }
.hero__footnote { display: flex; align-items: flex-start; gap: 14px; margin-top: 72px; color: #8d968c; font: 11px/1.5 var(--mono); text-transform: uppercase; }
.hero__line { display: block; width: 34px; height: 1px; margin-top: 7px; background: var(--lime); }
.hero__visual { position: relative; min-height: 535px; }
.hero__image-wrap { position: absolute; top: 4px; right: 20px; bottom: 20px; left: 20px; overflow: hidden; border: 1px solid rgba(246,244,238,.3); background: #2d3732; transform: rotate(2.5deg); box-shadow: 24px 34px 0 rgba(0,0,0,.17); }
.hero__image-wrap::after { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(9,13,10,.18), transparent 40%, rgba(9,13,10,.27)); content: ""; }
.hero__image-wrap img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.86) contrast(1.06); }
.hero__image-note { position: absolute; right: 16px; bottom: 14px; z-index: 1; display: flex; gap: 25px; color: var(--paper); font: 10px var(--mono); }
.hero__stamp { position: absolute; top: 32px; right: -28px; z-index: 3; display: flex; width: 126px; height: 126px; flex-direction: column; align-items: center; justify-content: center; border-radius: 50%; background: var(--lime); color: var(--ink); font: 700 14px/1.1 var(--display); letter-spacing: -.07em; transform: rotate(10deg); }
.hero__stamp b { margin-top: 11px; font: 20px var(--sans); }
.hero__specs { position: absolute; bottom: 0; left: -34px; z-index: 3; display: grid; gap: 5px; min-width: 216px; padding: 17px 19px; background: var(--paper); color: var(--ink); }
.hero__specs span, .hero__specs small { color: var(--muted); font: 10px var(--mono); text-transform: uppercase; }
.hero__specs strong { font: 600 19px var(--display); letter-spacing: -.08em; }
.hero__index { position: absolute; right: -2px; bottom: -29px; color: #7d867d; font: 10px/1.5 var(--mono); text-align: right; }
.hero__index span { color: var(--lime); }
.hero__rail { position: absolute; right: 0; bottom: 0; left: 0; z-index: 2; display: flex; min-height: 54px; align-items: center; justify-content: space-between; padding: 0 max(44px, calc((100% - var(--container)) / 2)); border-top: 1px solid var(--line-dark); color: #919990; font: 10px var(--mono); text-transform: uppercase; }

.manifesto { overflow: hidden; padding: 132px 0 0; background: var(--paper-light); }
.manifesto__grid { display: grid; grid-template-columns: 1fr 2fr .4fr; gap: 64px; align-items: start; min-height: 350px; }
.manifesto__grid .kicker { padding-top: 13px; }
.manifesto__body h2 { max-width: 800px; font-size: clamp(38px, 5vw, 72px); line-height: 1.05; }
.manifesto__body p { max-width: 460px; margin: 33px 0 0; color: var(--muted); font-size: 17px; line-height: 1.55; }
.manifesto__mark { display: grid; justify-items: end; gap: 42px; color: var(--lime-dark); font: 42px/1 var(--display); }
.manifesto__mark small { color: var(--muted); font: 10px/1.3 var(--mono); letter-spacing: .08em; text-align: right; text-transform: uppercase; }
.marquee { overflow: hidden; padding: 24px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--ink); font: 600 clamp(24px, 3.5vw, 48px)/1 var(--display); white-space: nowrap; letter-spacing: -.08em; }
.marquee div { width: max-content; animation: marquee 28s linear infinite; }
.marquee i { padding: 0 24px; color: var(--lime-dark); font-style: normal; }
@keyframes marquee { to { transform: translateX(-50%); } }

.systems, .catalog { background: var(--dark); color: var(--paper); }
.systems { padding: 128px 0 140px; }
.section-intro { display: grid; grid-template-columns: 1fr minmax(0, 2fr) .4fr; gap: 64px; align-items: start; margin-bottom: 68px; }
.section-intro .kicker { padding-top: 14px; }
.section-intro h2 { font-size: clamp(38px, 5vw, 70px); line-height: 1.06; }
.section-intro > div > p { max-width: 435px; margin: 28px 0 0; color: var(--muted); font-size: 16px; line-height: 1.55; }
.section-intro--dark > div > p { color: #9ea69c; }
.section-count { color: var(--lime); font: 42px/1 var(--display); letter-spacing: -.08em; text-align: right; }
.section-count small { color: #7e877d; font: 10px var(--mono); letter-spacing: .08em; }
.system-strip { display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 50px; border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.system-tab { position: relative; display: grid; gap: 8px; min-height: 122px; padding: 20px 30px 18px 0; border: 0; border-right: 1px solid var(--line-dark); background: transparent; color: var(--paper); text-align: left; cursor: pointer; transition: background .25s ease, padding .25s ease; }
.system-tab:first-child { padding-left: 0; }
.system-tab:last-child { border-right: 0; }
.system-tab span, .system-tab small { color: #849084; font: 10px var(--mono); text-transform: uppercase; }
.system-tab strong { font: 500 21px var(--display); letter-spacing: -.07em; }
.system-tab b { position: absolute; right: 20px; bottom: 23px; color: var(--lime); font: 20px var(--sans); font-weight: 400; }
.system-tab.is-active { padding-left: 18px; background: rgba(214,255,63,.07); box-shadow: inset 3px 0 0 var(--lime); }
.solution-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 38px 32px; }
.solution-card { min-width: 0; }
.solution-card--wide { grid-column: 1 / -1; display: grid; grid-template-columns: 1.42fr .58fr; gap: 30px; align-items: end; }
.solution-card__image { position: relative; overflow: hidden; height: 280px; background: var(--dark-2); }
.solution-card--wide .solution-card__image { height: 420px; }
.solution-card__image::after { position: absolute; inset: 0; border: 1px solid rgba(246,244,238,.17); content: ""; pointer-events: none; }
.solution-card__image img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.8); transition: transform .6s cubic-bezier(.2,.8,.2,1), filter .4s ease; }
.solution-card:hover .solution-card__image img { filter: saturate(1.05); transform: scale(1.04); }
.solution-card__image > span { position: absolute; top: 14px; left: 15px; z-index: 1; color: var(--lime); font: 11px var(--mono); }
.solution-card > div:last-child { padding-top: 20px; }
.solution-card h3 { margin: 0 0 13px; font: 500 27px var(--display); letter-spacing: -.08em; }
.solution-card h3 sup { margin-left: 8px; color: #8c968a; font: 10px var(--mono); letter-spacing: 0; text-transform: uppercase; }
.solution-card p { max-width: 420px; margin: 0 0 20px; color: #a4aca2; font-size: 15px; line-height: 1.55; }
.solution-card a { color: var(--lime); font: 11px var(--mono); text-transform: uppercase; }

.fit-section { padding: 136px 0 150px; background: var(--paper); }
.fit-section .section-intro { margin-bottom: 52px; }
.upload-control { display: inline-flex; min-height: 49px; align-items: center; justify-content: flex-end; gap: 14px; padding: 0; color: var(--ink); font: 11px var(--mono); text-transform: uppercase; cursor: pointer; }
.upload-control span { color: var(--lime-dark); font-size: 19px; }
.upload-control input, .file-field input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.fit-layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(290px, .5fr); gap: 38px; align-items: stretch; }
.fit-stage { position: relative; overflow: hidden; min-height: 510px; background: var(--dark); box-shadow: var(--shadow); }
.fit-stage img { width: 100%; height: 100%; min-height: 510px; object-fit: cover; }
.fit-stage::after { position: absolute; inset: 0; z-index: 2; background: linear-gradient(90deg, rgba(10,14,11,.22), transparent 25%, transparent 75%, rgba(10,14,11,.18)), linear-gradient(0deg, rgba(10,14,11,.26), transparent 32%); content: ""; pointer-events: none; }
.fit-stage__corner { position: absolute; top: 18px; right: 19px; z-index: 4; color: var(--lime); font: 12px/1.15 var(--mono); text-align: right; }
.fit-stage__corner span { color: #c9d1c7; font-size: 9px; }
.stage-badge { position: absolute; bottom: 18px; left: 18px; z-index: 5; padding: 10px 13px; background: var(--lime); color: var(--ink); font: 10px var(--mono); text-transform: uppercase; }
.fit-controls { display: grid; align-content: start; gap: 27px; padding: 5px 0 0; }
.fit-controls__intro { display: grid; gap: 9px; padding-bottom: 19px; border-bottom: 1px solid var(--line); }
.fit-controls__intro span, .scheme-label { color: var(--muted); font: 10px var(--mono); text-transform: uppercase; }
.fit-controls__intro strong { font: 500 21px var(--display); letter-spacing: -.07em; }
.variant-toolbar { display: grid; border-top: 1px solid var(--line); }
.variant-button { min-height: 50px; padding: 14px 0; border: 0; border-bottom: 1px solid var(--line); background: transparent; color: var(--muted); text-align: left; font: 11px var(--mono); cursor: pointer; transition: color .2s ease, padding .2s ease; }
.variant-button.is-active { padding-left: 15px; border-bottom-color: var(--ink); color: var(--ink); box-shadow: inset 3px 0 0 var(--lime-dark); }
.scheme-panel { display: grid; gap: 13px; padding: 17px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.scheme-drawing { display: grid; min-height: 58px; align-content: center; gap: 9px; }
.scheme-track { display: grid; grid-template-columns: repeat(var(--cols, 4), 1fr); gap: 4px; }
.scheme-cell { min-height: 33px; border: 2px solid var(--ink); background: transparent; }
.scheme-cell.active { background: var(--lime); }
.scheme-cell.fold { transform: skewX(-10deg); }
.scheme-arrow { color: var(--muted); font: 10px/1.4 var(--mono); }
.fit-controls__hint { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.text-link--dark { color: var(--ink); }

.catalog { padding: 132px 0 130px; }
.section-intro--catalog { margin-bottom: 65px; }
.catalog-filters { display: grid; grid-template-columns: .75fr 1.25fr; gap: 58px; margin-bottom: 36px; }
.filter-group h3 { margin: 0 0 14px; color: #899389; font: 10px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.filter-row { display: flex; flex-wrap: wrap; gap: 9px; }
.filter { min-height: 38px; padding: 9px 14px; border: 1px solid var(--line-dark); background: transparent; color: #abb3aa; font: 10px var(--mono); cursor: pointer; text-transform: uppercase; transition: color .2s ease, border-color .2s ease, background .2s ease; }
.filter:hover, .filter.is-active { border-color: var(--lime); background: var(--lime); color: var(--ink); }
.dimension-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.catalog label, .request-form label { display: grid; gap: 8px; margin: 0; color: #899389; font: 10px var(--mono); text-transform: uppercase; }
input, textarea, select { width: 100%; border: 1px solid var(--line); border-radius: 0; background: transparent; color: var(--ink); outline: none; }
input, select { min-height: 44px; padding: 10px 11px; }
textarea { min-height: 116px; padding: 12px; resize: vertical; }
input::placeholder, textarea::placeholder { color: #9aa199; }
input:focus, textarea:focus, select:focus { border-color: var(--lime-dark); box-shadow: 0 0 0 3px rgba(214,255,63,.16); }
.catalog input { border-color: var(--line-dark); color: var(--paper); }
.catalog input::placeholder { color: #788177; }
.catalog-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 34px; align-items: start; }
.product-list { display: grid; gap: 2px; }
.product-row { position: relative; display: grid; grid-template-columns: 150px minmax(0, 1fr) 142px 132px; gap: 21px; align-items: center; min-height: 156px; padding: 18px 21px 18px 0; border-top: 1px solid var(--line-dark); color: var(--paper); cursor: pointer; transition: background .25s ease, padding .25s ease; }
.product-row::before { position: absolute; top: 0; bottom: 0; left: -14px; width: 3px; background: var(--system-color, var(--lime)); content: ""; opacity: 0; transition: opacity .25s ease; }
.product-row:hover, .product-row.is-selected { padding-left: 14px; background: rgba(246,244,238,.045); }
.product-row:hover::before, .product-row.is-selected::before { opacity: 1; }
.row-media { display: grid; grid-template-columns: 1fr 1fr; gap: 3px; height: 118px; overflow: hidden; }
.row-media img { width: 100%; height: 100%; min-width: 0; object-fit: cover; }
.row-main { min-width: 0; }
.row-code { display: block; margin-bottom: 8px; color: var(--lime); font: 10px var(--mono); }
.row-main h3 { margin: 0 0 8px; font: 500 18px var(--display); letter-spacing: -.07em; }
.row-main p { max-width: 350px; margin: 0; color: #9ea79d; font-size: 13px; line-height: 1.4; }
.row-spec, .row-price { display: grid; gap: 7px; align-content: center; }
.row-spec span, .row-price span { color: #768076; font: 9px var(--mono); text-transform: uppercase; }
.row-spec strong, .row-price strong { color: var(--paper); font: 13px var(--mono); }
.row-price strong { color: var(--lime); }
.empty-row { padding: 45px 0; color: #9ea79d; font-family: var(--mono); }
.catalog-load { padding: 25px 0; }
.catalog .button--outline { border-color: var(--line-dark); color: var(--paper); }
.catalog .button--outline:hover { border-color: var(--lime); background: var(--lime); color: var(--ink); }
.selection-panel { position: sticky; top: 115px; padding: 26px 22px 24px; background: var(--paper); color: var(--ink); }
.selection-head .kicker { margin-bottom: 19px; }
.selection-head .kicker span { color: var(--red); }
.selection-head h2 { margin: 0 0 7px; font: 500 27px var(--display); letter-spacing: -.08em; }
.selection-head > p:last-child { margin: 0; color: var(--muted); font-size: 13px; }
.detail-media { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; margin: 24px 0; }
.detail-media figure { margin: 0; background: #d9d6ce; }
.detail-media img { width: 100%; height: 112px; object-fit: cover; }
.detail-media figcaption { padding: 7px 8px; color: var(--muted); font: 9px var(--mono); text-transform: uppercase; }
.detail-specs { display: grid; gap: 0; margin: 0; border-top: 1px solid var(--line); }
.detail-specs div { display: flex; justify-content: space-between; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.detail-specs dt { color: var(--muted); font: 10px var(--mono); }
.detail-specs dd { max-width: 55%; margin: 0; color: var(--ink); font-size: 11px; text-align: right; }
.detail-price { display: flex; align-items: end; justify-content: space-between; gap: 14px; padding: 22px 0 20px; }
.detail-price span { color: var(--muted); font: 10px var(--mono); text-transform: uppercase; }
.detail-price strong { font: 600 20px var(--display); letter-spacing: -.08em; }
.selection-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.selection-actions .button { padding-inline: 10px; font-size: 10px; }
.catalog-conditions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 72px; }
.catalog-conditions div { display: grid; gap: 8px; padding-top: 16px; border-top: 1px solid var(--line-dark); }
.catalog-conditions strong { color: var(--lime); font: 10px var(--mono); }
.catalog-conditions span { color: #9ea79d; font-size: 13px; }

.compare-section { padding: 132px 0 150px; background: var(--paper-light); }
.compare-table { border-top: 1px solid var(--line); }
.compare-row { display: grid; grid-template-columns: 1.1fr repeat(3, 1fr); min-height: 74px; border-bottom: 1px solid var(--line); }
.compare-row > span { display: flex; align-items: center; padding: 14px 18px; border-right: 1px solid var(--line); font-size: 13px; }
.compare-row > span:first-child { padding-left: 0; color: var(--muted); font: 10px var(--mono); text-transform: uppercase; }
.compare-row > span:last-child { border-right: 0; }
.compare-head { min-height: 47px; color: var(--muted); }
.compare-head > span:not(:first-child) { color: var(--ink); font: 600 12px var(--mono); }
.compare-head > span:nth-child(2) { border-top: 3px solid var(--cyan); }
.compare-head > span:nth-child(3) { border-top: 3px solid var(--lime-dark); }
.compare-head > span:nth-child(4) { border-top: 3px solid var(--red); }

.request-section { padding: 128px 0 142px; background: var(--lime); }
.request-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(420px, .82fr); gap: 120px; align-items: start; }
.request-copy .kicker span { color: var(--ink); }
.request-copy h2 { max-width: 600px; font-size: clamp(42px, 5.5vw, 78px); line-height: 1.02; }
.request-copy h2 em { color: var(--ink); }
.request-copy > p:not(.kicker) { max-width: 440px; margin: 29px 0 42px; color: #52602c; font-size: 17px; }
.request-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 19px; margin: 0 0 48px; }
.request-facts div { display: grid; gap: 6px; padding-top: 12px; border-top: 1px solid rgba(18,21,19,.35); }
.request-facts dt { color: #53602d; font: 10px var(--mono); text-transform: uppercase; }
.request-facts dd { margin: 0; font-size: 13px; }
.request-phone { display: inline-flex; align-items: center; gap: 17px; font: 600 20px var(--display); letter-spacing: -.07em; }
.request-phone span { font: 20px var(--sans); }
.request-form { display: grid; gap: 20px; padding: 28px; background: var(--paper-light); box-shadow: 18px 18px 0 rgba(18,21,19,.12); }
.request-form label { color: var(--muted); }
.request-form input, .request-form textarea { border-color: var(--line); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.file-field { display: flex !important; min-height: 45px; align-items: center; justify-content: space-between; padding: 11px; border: 1px dashed var(--line); cursor: pointer; }
.file-field span { display: flex; width: 100%; justify-content: space-between; gap: 12px; }
.file-field b { color: var(--red); font-size: 17px; font-weight: 400; }
.request-form .button { width: 100%; }
.form-status, .hero-form-status { min-height: 20px; margin: 0; font: 11px var(--mono); }

.site-footer { padding: 52px 0 24px; background: var(--dark); color: var(--paper); }
.site-footer__inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr auto; gap: 30px; align-items: start; padding-bottom: 60px; }
.brand--footer img { filter: brightness(0) invert(1); }
.site-footer p, .site-footer__inner > a { margin: 0; color: #929b91; font: 11px/1.5 var(--mono); }
.site-footer__inner > a { color: var(--paper); text-transform: uppercase; }
.site-footer__inner > a:hover { color: var(--lime); }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 17px; border-top: 1px solid var(--line-dark); color: #69736b; font: 10px var(--mono); text-transform: uppercase; }
.footer-bottom a { color: var(--lime); }
.mobile-cta { display: none; }

/* Portal overlay / visualizer states */
.portal-overlay { position: absolute; inset: 13% 10% 14%; z-index: 4; display: grid; border: 8px solid rgba(18,21,19,.95); box-shadow: inset 0 0 0 1px rgba(255,255,255,.4), 0 16px 36px rgba(0,0,0,.3); }
.portal-overlay.portal-none { display: none; }
.portal-panel, .fold-panel, .door-panel { position: relative; min-width: 0; border-left: 5px solid rgba(18,21,19,.95); background: linear-gradient(115deg, rgba(255,255,255,.36), transparent 18%, transparent 66%, rgba(255,255,255,.14)), rgba(103,178,202,.35); box-shadow: inset 0 0 0 1px rgba(255,255,255,.4); }
.portal-panel:first-child, .fold-panel:first-child, .door-panel:first-child { border-left: 0; }
.portal-panel::after, .fold-panel::after, .door-panel::after { position: absolute; top: 50%; right: 10px; width: 4px; height: 48px; border-radius: 3px; background: rgba(18,21,19,.75); content: ""; transform: translateY(-50%); }
.portal-sl160 { grid-template-columns: 1.1fr .95fr 1.1fr; }
.portal-sl160 .portal-panel:nth-child(2) { transform: translateX(-12%); border-right: 5px solid rgba(18,21,19,.95); }
.portal-bf73 { grid-template-columns: repeat(6, 1fr); }
.portal-bf73 .fold-panel:nth-child(2), .portal-bf73 .fold-panel:nth-child(5) { transform: skewY(-3deg) translateX(-4px); }
.portal-bf73 .fold-panel:nth-child(3), .portal-bf73 .fold-panel:nth-child(4) { transform: skewY(3deg) translateX(4px); }
.portal-w72 { inset: 11% 30% 13%; grid-template-columns: repeat(2, 1fr); }

/* Supporting styles for the technical centre page */
.docs-page { min-height: 70vh; background: var(--paper); }
.docs-hero { padding: 105px 0 90px; border-bottom: 1px solid var(--line); }
.docs-hero h1 { max-width: 850px; font: 500 clamp(43px, 6vw, 84px)/1.03 var(--display); letter-spacing: -.08em; }
.docs-hero .hero-lead { max-width: 570px; margin: 30px 0 32px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.crumbs { display: flex; gap: 12px; margin-bottom: 38px; color: var(--muted); font: 10px var(--mono); text-transform: uppercase; }
.crumbs a::after { margin-left: 12px; color: var(--lime-dark); content: "/"; }
.eyebrow { color: var(--lime-dark); font: 11px var(--mono); text-transform: uppercase; }
.page-section { margin: 0; }
.docs-section { padding: 105px 0; }
.section-heading { margin-bottom: 46px; }
.section-heading--row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, .55fr); gap: 55px; align-items: end; }
.section-heading h2 { margin: 0; font: 500 clamp(34px, 4.5vw, 60px)/1.05 var(--display); letter-spacing: -.08em; }
.section-heading p:last-child { margin: 0; color: var(--muted); font-size: 15px; }
.docs-layout { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 50px; align-items: start; }
.docs-library { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
.doc-card { display: flex; min-height: 245px; flex-direction: column; padding: 20px 0; border-top: 1px solid var(--line); }
.doc-card--accent { border-top: 3px solid var(--lime-dark); }
.doc-card > span, .install-grid > article > span { color: var(--lime-dark); font: 10px var(--mono); }
.doc-card h3, .install-grid h4, .node-card h4 { margin: 13px 0 10px; font: 500 20px/1.2 var(--display); letter-spacing: -.07em; }
.doc-card p, .docs-note li, .install-grid p, .node-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.5; }
.doc-card a { margin-top: auto; color: var(--ink); font: 10px var(--mono); text-transform: uppercase; }
.doc-card a:hover { color: var(--lime-dark); }
.docs-note { padding: 20px 0; border-top: 1px solid var(--line); }
.docs-note h3 { margin: 15px 0 22px; font: 500 25px/1.16 var(--display); letter-spacing: -.07em; }
.docs-note ul { display: grid; gap: 15px; margin: 0; padding: 0; list-style: none; }
.docs-note li { position: relative; padding-left: 20px; }
.docs-note li::before { position: absolute; top: .72em; left: 0; width: 10px; height: 2px; background: var(--lime-dark); content: ""; }
.install-block, .nodes-block { margin-top: 108px; }
.install-head { display: grid; grid-template-columns: .55fr 1.45fr; gap: 50px; align-items: end; margin-bottom: 30px; }
.install-head h3 { margin: 0; font: 500 32px/1.1 var(--display); letter-spacing: -.08em; }
.install-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.install-grid article, .node-card { min-height: 185px; padding: 18px 0; border-top: 1px solid var(--line); }
.nodes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.node-card { min-height: 310px; }
.node-diagram { position: relative; height: 170px; margin-bottom: 22px; overflow: hidden; background: #e2dfd6; }
.node-diagram span { position: absolute; display: block; }
.node-frame { background: var(--ink); }
.node-glass { border: 2px solid var(--cyan); background: rgba(103,178,202,.2); }
.node-base, .node-wall, .node-lintel { background: #c3c5bc; }
.node-seal { background: var(--lime-dark); }
.node-water { border-top: 3px solid var(--cyan); transform: rotate(-10deg); }
.node-threshold .node-frame { left: 44%; bottom: 44px; width: 26px; height: 94px; }
.node-threshold .node-glass { left: 52%; bottom: 58px; width: 88px; height: 74px; }
.node-threshold .node-base { right: 18px; bottom: 24px; left: 18px; height: 22px; }
.node-threshold .node-water { right: 30px; bottom: 18px; width: 95px; height: 20px; }
.node-side .node-wall { top: 22px; bottom: 22px; left: 24px; width: 42px; }
.node-side .node-frame { top: 42px; left: 78px; width: 26px; height: 96px; }
.node-side .node-glass { top: 50px; left: 118px; width: 98px; height: 80px; }
.node-side .node-seal { top: 36px; left: 68px; width: 7px; height: 110px; }
.node-head .node-lintel { top: 22px; right: 18px; left: 18px; height: 30px; }
.node-head .node-frame { top: 64px; left: 58px; width: 142px; height: 22px; }
.node-head .node-glass { top: 94px; left: 70px; width: 116px; height: 58px; }
.node-head .node-seal { top: 54px; left: 58px; width: 142px; height: 6px; }

@media (max-width: 1050px) {
  .container, .topline__inner { width: min(var(--container), calc(100% - 56px)); }
  .header-main { grid-template-columns: 180px minmax(0, 1fr) auto; gap: 20px; }
  .main-nav { gap: 18px; }
  .header-actions .phone-link { display: none; }
  .hero__grid { grid-template-columns: minmax(0, .9fr) minmax(370px, 1.1fr); gap: 28px; }
  .hero__specs { left: -10px; }
  .manifesto__grid, .section-intro { grid-template-columns: .7fr 2fr .3fr; gap: 35px; }
  .request-layout { gap: 55px; }
  .product-row { grid-template-columns: 125px minmax(0, 1fr) 125px; }
  .row-price { display: none; }
}

@media (max-width: 760px) {
  body { padding-bottom: 62px; }
  .container, .topline__inner { width: calc(100% - 34px); }
  .topline__inner { min-height: 30px; }
  .topline__inner > span:first-child, .topline__status { display: none; }
  .topline__inner a { margin-left: auto; }
  .site-header { position: relative; }
  .header-main { min-height: 70px; grid-template-columns: 1fr auto; }
  .brand img { width: 106px; }
  .brand > span { display: none; }
  .main-nav, .header-actions { display: none; }
  .menu-toggle { display: block; }
  .site-header.is-open .main-nav { position: absolute; top: 70px; right: 0; left: 0; display: flex; flex-direction: column; align-items: stretch; gap: 0; padding: 9px 17px 19px; border-bottom: 1px solid var(--line); background: var(--paper-light); }
  .site-header.is-open .main-nav a { padding: 15px 0; border-bottom: 1px solid var(--line); }
  .site-header.is-open .main-nav a:last-child { border-bottom: 0; }
  .site-header.is-open .menu-toggle { background: var(--ink); }
  .site-header.is-open .menu-toggle span { background: var(--paper); }
  .hero { min-height: auto; }
  .hero::before { top: 120px; left: -220px; width: 430px; height: 430px; }
  .hero__grid { display: flex; min-height: auto; flex-direction: column; gap: 30px; align-items: stretch; padding: 72px 0 112px; }
  .hero h1 { font-size: clamp(44px, 13vw, 70px); }
  .hero__lead { margin: 25px 0 30px; font-size: 16px; }
  .hero__footnote { margin-top: 44px; }
  .hero__visual { min-height: 410px; }
  .hero__image-wrap { right: 10px; left: 10px; }
  .hero__stamp { top: 2px; right: -5px; width: 100px; height: 100px; font-size: 11px; }
  .hero__specs { bottom: -10px; left: 0; min-width: 190px; }
  .hero__index { right: 0; bottom: -25px; }
  .hero__rail { display: none; }
  .manifesto, .systems, .fit-section, .catalog, .compare-section, .request-section { padding: 82px 0; }
  .docs-hero, .docs-section { padding: 76px 0; }
  .docs-hero h1 { font-size: clamp(39px, 10vw, 58px); }
  .section-heading--row, .docs-layout, .install-head { display: block; }
  .section-heading--row > p, .install-head h3 { margin-top: 24px; }
  .docs-library { display: block; }
  .doc-card { min-height: 0; margin-bottom: 22px; }
  .docs-note { margin-top: 52px; }
  .install-block, .nodes-block { margin-top: 75px; }
  .install-grid, .nodes-grid { display: block; }
  .install-grid article, .node-card { min-height: 0; margin-bottom: 22px; }
  .node-diagram { max-width: 360px; }
  .manifesto__grid, .section-intro { display: block; min-height: 0; }
  .manifesto__grid .kicker, .section-intro .kicker { margin-bottom: 32px; }
  .manifesto__body h2, .section-intro h2 { font-size: clamp(34px, 10vw, 55px); }
  .manifesto__body p { margin-top: 24px; font-size: 15px; }
  .manifesto__mark, .section-count { display: none; }
  .marquee { margin-top: 60px; padding: 18px 0; }
  .marquee div { font-size: 25px; }
  .system-strip { display: block; margin: 44px 0 35px; }
  .system-tab, .system-tab:first-child { min-height: 94px; padding: 16px 34px 14px 0; border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .system-tab.is-active { padding-left: 14px; }
  .system-tab strong { font-size: 18px; }
  .solution-grid { display: block; }
  .solution-card, .solution-card--wide { display: block; margin-bottom: 44px; }
  .solution-card__image, .solution-card--wide .solution-card__image { height: 245px; }
  .solution-card--wide > div:last-child { padding-top: 18px; }
  .solution-card h3 { font-size: 22px; }
  .fit-section .section-intro .upload-control { margin-top: 27px; justify-content: flex-start; }
  .fit-layout { display: block; }
  .fit-stage, .fit-stage img { min-height: 310px; height: 310px; }
  .fit-controls { padding-top: 35px; }
  .catalog-filters, .catalog-grid { display: block; }
  .catalog-filters { margin-bottom: 37px; }
  .filter-group--dimensions { margin-top: 27px; }
  .dimension-grid { grid-template-columns: 1fr 1fr; }
  .dimension-grid label:last-child { grid-column: 1 / -1; }
  .product-row { grid-template-columns: 86px minmax(0, 1fr); gap: 14px; min-height: 130px; padding: 15px 0; }
  .row-media { height: 92px; }
  .row-main h3 { font-size: 14px; }
  .row-main p { font-size: 12px; }
  .row-spec { display: none; }
  .selection-panel { position: static; margin-top: 40px; }
  .catalog-conditions { display: block; margin-top: 48px; }
  .catalog-conditions div { margin-top: 22px; }
  .compare-row { grid-template-columns: 98px repeat(3, minmax(92px, 1fr)); overflow: hidden; }
  .compare-table { overflow-x: auto; }
  .compare-row { min-width: 466px; }
  .compare-row > span { padding: 12px 10px; font-size: 11px; }
  .request-layout { display: block; }
  .request-copy > p:not(.kicker) { font-size: 15px; }
  .request-facts { gap: 10px; margin-bottom: 35px; }
  .request-facts dd { font-size: 11px; }
  .request-phone { margin-bottom: 42px; font-size: 17px; }
  .request-form { padding: 20px 17px; box-shadow: 10px 10px 0 rgba(18,21,19,.12); }
  .site-footer { padding-bottom: 25px; }
  .site-footer__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 20px; padding-bottom: 42px; }
  .site-footer__inner > a:last-child { grid-column: 1 / -1; }
  .footer-bottom { gap: 14px; font-size: 8px; }
  .mobile-cta { position: fixed; right: 0; bottom: 0; left: 0; z-index: 60; display: grid; grid-template-columns: 1fr 1fr; min-height: 62px; background: var(--ink); box-shadow: 0 -10px 30px rgba(18,21,19,.18); }
  .mobile-cta a { display: flex; align-items: center; justify-content: center; border-right: 1px solid var(--line-dark); color: var(--paper); font: 11px var(--mono); text-transform: uppercase; }
  .mobile-cta a:last-child { border-right: 0; background: var(--lime); color: var(--ink); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}