:root {
  --paper: #f4f1ea;
  --paper-2: #e8e4db;
  --white: #ffffff;
  --ink: #0a0b0d;
  --muted: #676966;
  --line: rgba(10, 11, 13, 0.15);
  --signal: #f14b2a;
  --signal-dark: #cb3115;
  --blue: #76d7ff;
  --gutter: clamp(20px, 4.2vw, 76px);
  --section-y: clamp(72px, 7vw, 112px);
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html { width: 100%; max-width: 100%; overflow-x: hidden; scroll-behavior: smooth; scroll-padding-top: 118px; background: var(--paper); }
body { width: 100%; min-width: 0; max-width: 100%; margin: 0; overflow-x: hidden; color: var(--ink); background: var(--paper); font-family: Arial, Helvetica, sans-serif; line-height: 1.5; }
main { position: relative; min-width: 0; max-width: 100%; overflow-x: hidden; }
@supports (overflow: clip) {
  html, body, main { overflow-x: clip; }
}
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
::selection { color: white; background: var(--signal); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.zifir-wordmark { display: inline-block; width: 2.78em; height: .66em; overflow: hidden; color: inherit !important; background: currentColor; font-size: inherit !important; text-indent: -9999px; white-space: nowrap; vertical-align: -.02em; -webkit-mask: url("../images/zifir-wordmark.png") center / contain no-repeat; mask: url("../images/zifir-wordmark.png") center / contain no-repeat; }

.site-header { position: fixed; top: 14px; left: var(--gutter); right: var(--gutter); z-index: 50; display: grid; grid-template-columns: auto 1fr auto; align-items: center; min-height: 66px; padding: 7px 10px 7px 20px; border: 1px solid rgba(10, 11, 13, .09); background: rgba(247, 245, 240, .9); box-shadow: 0 16px 50px rgba(10, 10, 10, .08); backdrop-filter: blur(18px); }
.brand { display: flex; align-items: center; min-width: 168px; }
.brand img { width: 168px; max-height: 42px; height: auto; object-fit: contain; object-position: left center; }
.site-nav { display: flex; justify-content: center; gap: clamp(15px, 2vw, 34px); }
.site-nav a { position: relative; padding: 14px 0; font-size: 11px; font-weight: 800; letter-spacing: .04em; }
.site-nav a::after { position: absolute; right: 0; bottom: 8px; left: 0; height: 1px; content: ""; transform: scaleX(0); transform-origin: right; background: var(--signal); transition: transform .35s var(--ease); }
.site-nav a:hover::after, .site-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.menu-toggle { display: none; }

.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 26px; min-height: 54px; padding: 0 20px; border: 0; font-size: 12px; font-weight: 800; letter-spacing: .01em; cursor: pointer; transition: transform .25s ease, background .25s ease, color .25s ease; }
.button:hover { transform: translateY(-2px); }
.button span { font-size: 18px; }
.button .zifir-wordmark { font-size: inherit; }
.button--dark { color: var(--white); background: var(--ink); }
.button--dark:hover { background: var(--signal); }
.button--signal { color: var(--white); background: var(--signal); }
.button--signal:hover { background: var(--signal-dark); }
.header-cta { min-width: 150px; }

.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(480px, .92fr); gap: clamp(24px, 2.2vw, 48px); min-height: 100svh; padding: clamp(118px, 9vw, 146px) var(--gutter) 46px; overflow: hidden; }
.hero::before { position: absolute; top: 0; right: 0; width: 46%; height: 100%; content: ""; background: linear-gradient(140deg, #e9e6df, #f9f8f5); }
.hero-copy, .hero-visual { position: relative; z-index: 1; }
.hero-copy { z-index: 2; min-width: 0; max-width: 860px; }
.eyebrow { margin: 0 0 24px; color: var(--signal); font-size: 11px; font-weight: 900; letter-spacing: .18em; text-transform: uppercase; }
.hero h1 { max-width: 100%; margin: 0; font-size: clamp(46px, 4.45vw, 74px); font-weight: 750; line-height: .92; letter-spacing: -.06em; }
.hero h1 em, .display-title em { color: var(--signal); font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
.hero-lead { max-width: 620px; margin: 26px 0 0; color: #434441; font-size: clamp(16px, 1.15vw, 19px); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero-facts { display: grid; grid-template-columns: repeat(4, 1fr); max-width: 760px; margin: 32px 0 0; padding: 18px 0 0; list-style: none; border-top: 1px solid var(--line); }
.hero-facts li { display: grid; gap: 2px; padding: 0 14px; border-left: 1px solid var(--line); }
.hero-facts li:first-child { padding-left: 0; border-left: 0; }
.hero-facts b { font-size: clamp(15px, 1.15vw, 18px); line-height: 1.15; }
.hero-facts span { color: var(--muted); font-size: 10px; font-weight: 700; text-transform: uppercase; }
.hero-facts sup, .hero-fact-notes sup { font-size: .68em; line-height: 0; }
.hero-fact-notes { display: grid; gap: 3px; max-width: 760px; margin-top: 16px; color: var(--muted); font-size: 10px; line-height: 1.45; }
.hero-fact-notes p { margin: 0; }
.hero-visual { display: grid; align-content: center; min-width: 0; min-height: 440px; overflow: hidden; isolation: isolate; }
.hero-visual::before { position: absolute; inset: 15% 4% 10%; z-index: -2; content: ""; border-radius: 50%; background: rgba(241, 75, 42, .08); filter: blur(4px); }
.hero-visual img {
  width: 100%;
  max-width: 100%;
  margin-left: 0;
  filter: drop-shadow(0 32px 27px rgba(0, 0, 0, .18));
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 5%, #000 95%, transparent 100%), linear-gradient(to bottom, transparent 0, #000 5%, #000 92%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image: linear-gradient(to right, transparent 0, #000 5%, #000 95%, transparent 100%), linear-gradient(to bottom, transparent 0, #000 5%, #000 92%, transparent 100%);
  mask-composite: intersect;
  animation: car-in 1.1s var(--ease) both;
}
.hero-index { position: absolute; top: 0; right: 0; font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.hero-caption { display: flex; justify-content: space-between; gap: 20px; margin: -6px 5% 0; padding-top: 16px; border-top: 1px solid var(--ink); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.hero-orbit { position: absolute; z-index: -1; border: 1px solid rgba(10, 11, 13, .12); border-radius: 50%; }
.hero-orbit--one { inset: 3% 2% 12%; transform: rotate(-9deg); }
.hero-orbit--two { inset: 17% 11% 4%; transform: rotate(13deg); }
@keyframes car-in { from { opacity: 0; transform: translateX(7%) scale(.96); } to { opacity: 1; transform: none; } }

.section { padding: var(--section-y) var(--gutter); }
.section-marker { display: grid; grid-template-columns: auto minmax(60px, 130px) minmax(0, auto); align-items: center; width: max-content; max-width: 100%; gap: 16px; margin-bottom: 42px; font-size: 11px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.section-marker__index { color: var(--signal); }
.section-marker__label { display: inline-flex; align-items: center; min-width: 0; gap: .38em; color: inherit; }
.section-marker__label .zifir-wordmark { flex: 0 0 auto; }
.section-marker i { height: 1px; background: currentColor; }
.display-title { margin: 0; font-size: clamp(42px, 4.75vw, 72px); font-weight: 750; line-height: .95; letter-spacing: -.055em; }
.section-lead { max-width: 660px; margin: 0; color: var(--muted); font-size: clamp(16px, 1.2vw, 20px); line-height: 1.55; }
.section-heading { display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 50px; }

.intro { background: var(--white); }
.intro-grid { display: grid; grid-template-columns: 1.12fr .88fr; align-items: end; gap: 70px; }
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 48px; border-top: 1px solid var(--ink); }
.benefit-grid article { min-height: 220px; padding: 24px clamp(20px, 2.4vw, 36px); border-right: 1px solid var(--line); }
.benefit-grid article:first-child { border-left: 1px solid var(--line); }
.benefit-grid article span { color: var(--signal); font-size: 11px; font-weight: 900; letter-spacing: .1em; }
.benefit-grid h3 { margin: 36px 0 12px; font-size: clamp(22px, 1.8vw, 30px); letter-spacing: -.04em; }
.benefit-grid p { max-width: 360px; margin: 0; color: var(--muted); }
.benefit-grid .benefit-card--accent { color: white; background: var(--ink); }
.benefit-grid .benefit-card--accent p { color: rgba(255, 255, 255, .66); }

.product { background: var(--paper); }
.product-stage { display: grid; grid-template-columns: 1fr 215px; gap: 0; max-width: 1400px; margin: 46px auto 0; border: 1px solid var(--ink); background: var(--white); }
.product-image-wrap { position: relative; min-height: 0; overflow: hidden; aspect-ratio: 16 / 9; background: linear-gradient(145deg, #fafafa, #ecebe8); }
.product-image-wrap img { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; object-fit: contain; animation: view-in .55s var(--ease) both; }
@keyframes view-in { from { opacity: .2; transform: scale(.975); } to { opacity: 1; transform: none; } }
.product-watermark { position: absolute; top: 6%; left: 3%; z-index: 1; width: clamp(58px, 7vw, 96px); height: auto; aspect-ratio: 1; color: transparent !important; background: url("../images/logo-icon.png") center / contain no-repeat; opacity: .14; -webkit-mask: none; mask: none; }
.product-meta { position: absolute; right: 24px; bottom: 20px; left: 24px; z-index: 2; display: flex; justify-content: space-between; gap: 20px; padding-top: 14px; border-top: 1px solid var(--ink); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.product-tabs { display: flex; flex-direction: column; border-left: 1px solid var(--ink); }
.product-tabs button { flex: 1; display: grid; grid-template-columns: 30px 1fr; align-items: center; padding: 12px 14px; border: 0; border-bottom: 1px solid var(--line); text-align: left; background: transparent; font-size: 13px; cursor: pointer; transition: color .25s, background .25s; }
.product-tabs button:last-child { border-bottom: 0; }
.product-tabs button span { color: var(--signal); font-size: 10px; font-weight: 900; }
.product-tabs button:hover, .product-tabs button.is-active { color: white; background: var(--ink); }

.specs { color: white; background: var(--ink); }
.section-marker--light { color: white; }
.eyebrow--blue { color: var(--blue); }
.display-title--light { color: white; }
.display-title--light em { color: var(--blue); }
.section-lead--light { color: rgba(255, 255, 255, .62); }
.specs-heading, .engineering-top { display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 60px; }
.spec-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 48px; border-top: 1px solid rgba(255,255,255,.2); border-left: 1px solid rgba(255,255,255,.2); }
.spec-grid article { position: relative; display: grid; grid-template-columns: 1fr auto; align-items: end; min-height: 176px; padding: 22px clamp(20px, 2.4vw, 36px); border-right: 1px solid rgba(255,255,255,.2); border-bottom: 1px solid rgba(255,255,255,.2); }
.spec-grid article span { grid-column: 1 / -1; align-self: start; color: rgba(255,255,255,.58); font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.spec-grid article strong { font-size: clamp(40px, 4.2vw, 64px); line-height: .86; letter-spacing: -.065em; }
.spec-grid article small { padding-bottom: 5px; color: var(--blue); font-weight: 800; }
.spec-grid .spec-card--accent { color: var(--ink); background: var(--blue); }
.spec-grid .spec-card--accent span, .spec-grid .spec-card--accent small { color: rgba(6,18,29,.65); }
.spec-grid .spec-card--accent small { max-width: 130px; padding-bottom: 0; line-height: 1.25; }
.dimensions-board { max-width: 1400px; margin: 16px auto 0; border: 1px solid rgba(118,215,255,.24); background: white; }
.dimensions-board img { width: 100%; height: auto; }
.dimensions-board figcaption { display: flex; justify-content: space-between; gap: 24px; padding: 14px 18px; color: rgba(255,255,255,.82); border-top: 1px solid rgba(118,215,255,.24); background: #081825; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.dimensions-board figcaption span { color: var(--blue); font-weight: 900; }
.spec-note { display: grid; grid-template-columns: 100px 1fr; gap: 24px; margin-top: 30px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.18); }
.spec-note span { color: var(--blue); font-size: 11px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.spec-note p { max-width: 900px; margin: 0; color: rgba(255,255,255,.58); font-size: 13px; }

.usecases { background: var(--paper); }
.usecase-showcase { display: grid; grid-template-columns: minmax(0, 1.22fr) minmax(360px, .78fr); max-width: 1400px; margin: 46px auto 0; border: 1px solid var(--ink); background: var(--ink); }
.usecase-stage { position: relative; min-height: 0; overflow: hidden; isolation: isolate; aspect-ratio: 16 / 10; background: #d9d8d3; }
.usecase-backdrop { position: absolute; inset: 0; z-index: -3; width: 100%; height: 100%; object-fit: cover; transition: opacity .3s ease; }
.usecase-shade { position: absolute; inset: 0; z-index: -2; background: linear-gradient(180deg, rgba(3,8,13,.1), rgba(3,8,13,.02) 48%, rgba(3,8,13,.5)); }
.usecase-car { position: absolute; right: 9%; bottom: 76px; z-index: 1; width: 72%; height: 62%; object-fit: contain; object-position: center bottom; filter: drop-shadow(0 26px 22px rgba(0,0,0,.3)); }
.usecase-stage-label { position: absolute; top: 24px; left: 24px; z-index: 2; display: grid; gap: 2px; padding: 10px 12px; color: white; background: rgba(4,10,14,.7); font-size: 10px; font-weight: 900; letter-spacing: .14em; }
.usecase-stage-label span { color: var(--signal); }
.usecase-stage-caption { position: absolute; right: 22px; bottom: 20px; left: 22px; z-index: 2; display: flex; justify-content: space-between; gap: 30px; padding: 14px 16px; color: white; background: rgba(4,10,14,.76); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; backdrop-filter: blur(8px); }
.usecase-stage-caption > span { max-width: 310px; color: rgba(255,255,255,.74); text-align: right; }
.usecase-list { display: grid; grid-template-rows: repeat(4, 1fr); gap: 1px; border-left: 1px solid var(--ink); background: var(--ink); }
.usecase-card { position: relative; display: grid; grid-template-columns: 48px 1fr; align-items: center; width: 100%; min-height: 130px; padding: 0; color: var(--ink); border: 0; text-align: left; background: var(--paper); cursor: pointer; transition: filter .25s ease, transform .25s ease; }
.usecase-card:hover { filter: brightness(.96); }
.usecase-card.is-active { box-shadow: inset 5px 0 0 var(--signal); }
.usecase-card:focus-visible { z-index: 1; outline: 3px solid var(--signal); outline-offset: -3px; }
.usecase-number { align-self: stretch; display: grid; place-items: center; color: var(--signal); border-right: 1px solid var(--line); font-size: 11px; font-weight: 900; }
.usecase-copy { padding: 18px clamp(20px, 2.2vw, 34px); }
.usecase-copy small { color: var(--signal); font-size: 10px; font-weight: 900; letter-spacing: .14em; }
.usecase-copy h3 { margin: 7px 0 7px; font-size: clamp(21px, 1.75vw, 29px); line-height: 1; letter-spacing: -.045em; }
.usecase-copy p { max-width: 430px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.35; }
.usecase-card--warm { background: #efe2d3; }
.usecase-card--blue { background: #ddecf2; }
.usecase-card--dark { color: white; background: #17191d; }
.usecase-card--dark .usecase-number { border-right-color: rgba(255,255,255,.16); }
.usecase-card--dark .usecase-copy p { color: rgba(255,255,255,.62); }

.engineering { color: white; background: #06121d; }
.engineering-system { position: relative; max-width: 1120px; margin: 48px auto 0; overflow: hidden; border: 1px solid rgba(118,215,255,.25); background: #d9d9d9; }
.engineering-system img { width: 100%; height: auto; object-fit: contain; }
.engineering-system > span { position: absolute; right: 20px; bottom: 18px; color: var(--blue); font-size: 10px; font-weight: 900; letter-spacing: .12em; }
.engineering-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, .66fr) 240px; min-height: 430px; margin-top: 14px; border: 1px solid rgba(118,215,255,.28); background: #081825; }
.engineering-stage { position: relative; display: grid; place-items: center; min-height: 420px; overflow: hidden; border-right: 1px solid rgba(118,215,255,.22); background: radial-gradient(circle, rgba(44,164,221,.18), transparent 60%); }
.engineering-stage img { width: calc(100% - 40px); height: calc(100% - 40px); max-height: 380px; object-fit: contain; object-position: center; animation: view-in .55s var(--ease) both; }
.engineering-stage > span { position: absolute; top: 20px; left: 20px; color: var(--blue); font-size: 10px; font-weight: 900; letter-spacing: .12em; }
.engineering-copy { display: flex; flex-direction: column; justify-content: flex-end; padding: 30px; }
.engineering-copy small { color: var(--blue); font-weight: 800; letter-spacing: .14em; }
.engineering-copy h3 { margin: 14px 0; font-size: clamp(29px, 2.7vw, 43px); line-height: .96; letter-spacing: -.045em; }
.engineering-copy p { margin: 0; color: rgba(255,255,255,.61); }
.engineering-tabs { display: flex; flex-direction: column; border-left: 1px solid rgba(118,215,255,.22); }
.engineering-tabs button { flex: 1; display: grid; grid-template-columns: 34px 1fr; align-items: center; padding: 17px; color: rgba(255,255,255,.68); border: 0; border-bottom: 1px solid rgba(118,215,255,.17); text-align: left; background: transparent; cursor: pointer; }
.engineering-tabs button:last-child { border-bottom: 0; }
.engineering-tabs button span { color: var(--blue); font-size: 10px; font-weight: 900; }
.engineering-tabs button:hover, .engineering-tabs button.is-active { color: var(--ink); background: var(--blue); }
.engineering-tabs button.is-active span { color: var(--ink); }

.gallery { background: white; }
.gallery-intro { display: grid; gap: 28px; justify-items: start; }
.gallery-master-button { min-width: 280px; min-height: 64px; padding-right: 26px; padding-left: 26px; }
.gallery-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-flow: dense; gap: 8px; margin-top: 48px; }
.gallery-item { position: relative; min-height: 0; aspect-ratio: 4 / 3; padding: 0; overflow: hidden; border: 1px solid rgba(10,11,13,.08); background: #f0efec; cursor: zoom-in; }
.gallery-item--wide { grid-column: span 2; aspect-ratio: 16 / 9; }
.gallery-item--portrait { aspect-ratio: 4 / 5; }
.gallery-item--square { aspect-ratio: 1; }
.gallery-item img { width: 100%; height: 100%; object-fit: contain; transition: transform .7s var(--ease); }
.gallery-item:hover img { transform: scale(1.025); }
.gallery-item > span { position: absolute; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: 36px 1fr auto; gap: 12px; align-items: center; padding: 16px 18px; color: white; background: linear-gradient(transparent, rgba(0,0,0,.74)); text-align: left; font-size: 12px; font-weight: 800; }
.gallery-item > span small { color: var(--signal); }
.gallery-item > span b { font-size: 17px; }

.now { background: var(--paper); }
.now-grid { display: grid; grid-template-columns: .82fr 1.48fr; gap: 5vw; }
.now-lead > p:last-child { max-width: 640px; margin: 28px 0 0; color: var(--muted); font-size: 16px; }
.now-columns { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--ink); }
.now-columns article { padding: 26px clamp(20px,2.5vw,38px); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.now-columns article:first-child { border-left: 1px solid var(--line); }
.now-columns span { display: block; min-height: 34px; color: var(--signal); font-size: 11px; font-weight: 900; line-height: 1.45; letter-spacing: .1em; text-transform: uppercase; }
.now-columns ul { display: grid; gap: 0; margin: 28px 0 0; padding: 0; list-style: none; }
.now-columns li { padding: 14px 0; border-top: 1px solid var(--line); font-size: 14px; line-height: 1.45; }

.preorder { color: white; background: var(--ink); }
.preorder-layout { display: grid; grid-template-columns: .86fr 1.14fr; gap: 7vw; }
.preorder-copy > .section-lead { margin-top: 34px; }
.preorder-note { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 26px; margin: 0 0 34px; padding: 18px 24px; color: var(--ink); border: 1px solid var(--blue); background: var(--blue); }
.preorder-note span { font-size: 46px; font-weight: 900; line-height: 1; letter-spacing: -.05em; }
.preorder-note p { margin: 0; color: rgba(4,17,26,.76); font-size: 14px; }
.preorder-note strong { display: block; margin-bottom: 2px; color: var(--ink); font-size: 16px; }
.preorder-form, .contact-form { display: grid; grid-template-columns: repeat(2, 1fr); align-content: start; gap: 22px 14px; padding: clamp(24px, 3vw, 42px); border: 1px solid rgba(255,255,255,.22); background: #14161a; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.field { display: grid; gap: 8px; }
.field--wide { grid-column: 1 / -1; }
.field label { color: rgba(255,255,255,.64); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.field input, .field select, .field textarea { width: 100%; height: 54px; padding: 0 15px; color: white; border: 1px solid rgba(255,255,255,.25); border-radius: 0; outline: none; background: transparent; }
.field textarea { min-height: 132px; padding-top: 14px; resize: vertical; }
.field select { color-scheme: dark; }
.field select option { color: var(--ink); background: white; }
.field select option:disabled { color: #6c6c6c; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 1px var(--blue); }
.consent { grid-column: 1 / -1; display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: start; color: rgba(255,255,255,.56); font-size: 12px; }
.consent input { margin-top: 3px; accent-color: var(--signal); }
.form-actions { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 6px; }
.button--outline-light { color: white; border: 1px solid rgba(255,255,255,.34); background: transparent; }
.button--outline-light:hover { color: var(--ink); background: white; }
.form-status { grid-column: 1 / -1; margin: 0; padding: 16px; color: #04111a; background: var(--blue); font-size: 13px; }
.contact-panel { display: grid; grid-template-columns: .72fr 1.28fr; gap: 6vw; margin-top: 72px; padding-top: 56px; border-top: 1px solid rgba(255,255,255,.2); }
.contact-copy h3 { max-width: 520px; margin: 0 0 18px; font-size: clamp(30px, 3vw, 46px); line-height: 1; letter-spacing: -.045em; }
.contact-copy > p:last-child { max-width: 520px; margin: 0; color: rgba(255,255,255,.62); }
.contact-copy a, .site-footer a:not(.brand) { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 4px; }
.contact-copy a:hover, .site-footer a:not(.brand):hover { color: white; }
.contact-form .form-actions { grid-template-columns: minmax(220px, .55fr); }

.faq { background: var(--paper); }
.faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 8vw; }
.faq-list { border-top: 1px solid var(--ink); }
.faq-list article { border-bottom: 1px solid var(--ink); }
.faq-list article > button { display: grid; grid-template-columns: 46px 1fr auto; align-items: center; width: 100%; min-height: 104px; padding: 20px 0; border: 0; text-align: left; background: transparent; cursor: pointer; }
.faq-list article > button > span { color: var(--signal); font-size: 10px; font-weight: 900; }
.faq-list article > button b { padding-right: 20px; font-size: clamp(18px, 1.7vw, 26px); letter-spacing: -.02em; }
.faq-list article > button i { font-style: normal; font-size: 27px; }
.faq-answer { padding: 0 0 32px 46px; }
.faq-answer p { max-width: 750px; margin: 0; color: var(--muted); }
.faq-answer p + p { margin-top: 12px; }
.faq-answer strong { color: var(--ink); }
.final-cta { position: relative; display: grid; min-height: 76svh; place-items: center; overflow: hidden; color: white; background: #090a0c; }
.final-cta::after { position: absolute; inset: 0; content: ""; background: linear-gradient(90deg, rgba(0,0,0,.94) 0%, rgba(0,0,0,.72) 50%, rgba(0,0,0,.26) 100%); }
.final-cta > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.1); opacity: .75; }
.final-copy { position: relative; z-index: 1; width: 100%; padding: 100px var(--gutter); }
.final-copy > span { color: var(--signal); font-size: 11px; font-weight: 900; letter-spacing: .12em; }
.final-copy h2 { max-width: 900px; margin: 28px 0; font-size: clamp(48px, 5.8vw, 88px); line-height: .92; letter-spacing: -.06em; }
.final-copy h2 em { color: var(--signal); font-family: Georgia, serif; font-weight: 400; }
.final-copy p { max-width: 620px; color: rgba(255,255,255,.66); font-size: 18px; }
.final-copy > div { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.site-footer { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 30px; padding: 55px var(--gutter); color: rgba(255,255,255,.55); background: var(--ink); font-size: 12px; }
.site-footer p { margin: 0; }
.site-footer p:last-child { text-align: right; }
.brand--footer { min-width: 0; }
.brand--footer img { width: 168px; max-height: none; filter: invert(1); }

.back-to-top { position: fixed; right: max(20px, var(--gutter)); bottom: max(20px, env(safe-area-inset-bottom)); z-index: 48; display: grid; width: 52px; height: 52px; place-items: center; color: var(--white); border: 1px solid rgba(255,255,255,.34); background: rgba(10,11,13,.92); box-shadow: 0 14px 34px rgba(0,0,0,.22); font-size: 22px; line-height: 1; opacity: 0; visibility: hidden; transform: translateY(14px); pointer-events: none; backdrop-filter: blur(12px); transition: opacity .25s ease, visibility .25s ease, transform .25s var(--ease), background .25s ease; }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: none; pointer-events: auto; }
.back-to-top:hover { background: var(--signal); transform: translateY(-2px); }
.back-to-top:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }

.modal { position: fixed; inset: 0; z-index: 100; display: grid; grid-template-columns: 64px minmax(0, 1fr) 64px; align-items: center; gap: 16px; padding: 76px 24px 24px; overflow: hidden; background: rgba(0,0,0,.9); backdrop-filter: blur(12px); }
.modal-frame { display: grid; grid-template-rows: minmax(0, 1fr) auto; place-items: center; width: 100%; height: 100%; min-width: 0; min-height: 0; overflow: hidden; }
.modal-frame img { display: block; align-self: center; justify-self: center; width: auto !important; height: auto !important; max-width: 100% !important; max-height: calc(100dvh - 158px) !important; object-fit: contain !important; }
.modal-meta { display: flex; justify-content: space-between; gap: 24px; width: min(100%, 1200px); padding: 14px 0 0; color: rgba(255,255,255,.78); font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.modal-count { color: var(--signal); white-space: nowrap; }
.modal-nav { display: grid; width: 58px; height: 58px; place-items: center; color: white; border: 1px solid rgba(255,255,255,.34); background: rgba(0,0,0,.38); font-size: 26px; cursor: pointer; transition: color .2s ease, background .2s ease, transform .2s ease; }
.modal-nav:hover { color: var(--ink); background: white; transform: scale(1.05); }
.modal-nav:focus-visible, .modal-close:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
.modal-close { position: fixed; top: 16px; right: 20px; z-index: 2; width: 46px; height: 46px; color: white; border: 1px solid rgba(255,255,255,.3); background: rgba(0,0,0,.45); font-size: 30px; cursor: pointer; }

.master-modal { position: fixed; inset: 0; z-index: 120; display: grid; grid-template-rows: auto minmax(0, 1fr) auto; gap: 12px; padding: 14px; color: white; background: rgba(2,5,8,.97); backdrop-filter: blur(14px); }
.master-toolbar { display: grid; grid-template-columns: minmax(170px, 1fr) auto minmax(46px, 1fr); align-items: center; gap: 18px; }
.master-toolbar > strong { font-size: 13px; letter-spacing: .1em; text-transform: uppercase; }
.master-controls { display: flex; align-items: center; gap: 8px; }
.master-control { display: inline-grid; min-width: 46px; min-height: 46px; place-items: center; padding: 0 14px; color: white; border: 1px solid rgba(255,255,255,.28); background: rgba(255,255,255,.06); font-size: 14px; font-weight: 800; cursor: pointer; transition: color .2s ease, border-color .2s ease, background .2s ease; }
.master-control:hover, .master-control.is-active { color: var(--ink); border-color: white; background: white; }
.master-control:focus-visible, .master-viewport:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
.master-close { justify-self: end; padding: 0; font-size: 28px; }
.master-zoom-value { min-width: 64px; color: var(--blue); text-align: center; font-size: 13px; font-weight: 900; }
.master-viewport { min-width: 0; min-height: 0; overflow: auto; overscroll-behavior: contain; border: 1px solid rgba(118,215,255,.3); background: #e9eaec; scrollbar-color: var(--blue) #101820; }
.master-viewport.is-zoomed { cursor: grab; }
.master-viewport.is-dragging { cursor: grabbing; user-select: none; }
.master-sheet-image { display: block; width: 100%; max-width: none; height: auto; margin: 0 auto; transform-origin: top left; transition: width .22s var(--ease); }
.master-lens { position: fixed; z-index: 130; overflow: hidden; border: 3px solid white; border-radius: 50%; background-color: white; background-repeat: no-repeat; box-shadow: 0 18px 50px rgba(0,0,0,.42), 0 0 0 1px rgba(0,0,0,.2); pointer-events: none; }
.master-lens[hidden] { display: none; }
.is-loupe-active .master-viewport { cursor: crosshair; }
.master-hint { margin: 0; color: rgba(255,255,255,.62); text-align: center; font-size: 12px; }

@media (max-width: 1120px) {
  .site-nav { gap: 14px; }
  .site-nav a { font-size: 10px; }
  .hero { grid-template-columns: 1fr; gap: 0; padding-top: 126px; }
  .hero::before { top: 45%; width: 100%; height: 55%; }
  .hero-copy { max-width: none; }
  .hero-visual { min-height: 470px; overflow: visible; }
  .hero-visual img { width: 90%; margin: 0 auto; }
  .hero-copy { z-index: 2; }
  .intro-grid, .section-heading, .specs-heading, .engineering-top { grid-template-columns: 1fr; align-items: start; }
  .engineering-panel { grid-template-columns: 1fr .8fr; }
  .engineering-tabs { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid rgba(118,215,255,.22); border-left: 0; }
  .engineering-tabs button { min-height: 76px; border-right: 1px solid rgba(118,215,255,.17); border-bottom: 0; }
  .now-grid, .preorder-layout, .contact-panel { grid-template-columns: 1fr; }
  .usecase-showcase { grid-template-columns: 1fr; }
  .usecase-stage { min-height: 0; }
  .usecase-list { grid-template-columns: repeat(2, 1fr); grid-template-rows: auto; border-top: 1px solid var(--ink); border-left: 0; }
}

@media (min-width: 1121px) and (max-height: 760px) {
  .hero { min-height: 720px; padding-top: 112px; padding-bottom: 36px; }
  .hero h1 { font-size: clamp(50px, 4.35vw, 74px); }
  .hero-lead { margin-top: 20px; }
  .hero-actions { margin-top: 20px; }
  .hero-facts { margin-top: 26px; }
  .hero-visual { min-height: 420px; }
}

@media (max-width: 820px) {
  html { scroll-padding-top: 102px; }
  .site-header { top: max(8px, env(safe-area-inset-top)); right: 14px; left: 14px; width: auto; max-width: calc(100vw - 28px); grid-template-columns: minmax(0, 1fr) 46px auto; min-height: 64px; padding: 8px 8px 8px 16px; transform: translateZ(0); }
  .brand { min-width: 0; }
  .brand img { width: clamp(104px, 34vw, 132px); }
  .menu-toggle { display: grid; gap: 4px; width: 46px; height: 46px; padding: 14px; border: 0; background: transparent; cursor: pointer; }
  .menu-toggle span { width: 100%; height: 2px; background: var(--ink); transform-origin: center; transition: transform .22s ease, opacity .18s ease; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .site-nav { position: absolute; top: calc(100% + 8px); right: 0; left: 0; display: none; width: 100%; min-width: 0; max-height: calc(100dvh - 100px); padding: 16px 22px 24px; overflow-y: auto; overscroll-behavior: contain; border: 1px solid var(--line); background: var(--paper); box-shadow: 0 24px 50px rgba(0,0,0,.14); }
  .site-nav.is-open { display: grid; }
  .site-nav a { font-size: 14px; }
  .header-cta { width: auto; min-width: 0; min-height: 46px; padding: 0 12px; white-space: nowrap; }
  .header-cta span { display: none; }
  .hero { min-height: auto; padding: 126px 20px 55px; }
  .hero h1 { font-size: clamp(43px, 13vw, 68px); }
  .hero-actions { display: grid; }
  .hero-facts { grid-template-columns: repeat(2, 1fr); gap: 20px 0; }
  .hero-visual { min-height: 360px; margin-top: 35px; }
  .hero-caption { margin-top: 0; }
  .section { padding-right: 20px; padding-left: 20px; }
  .section-marker { grid-template-columns: auto 50px auto; margin-bottom: 36px; }
  .benefit-grid { grid-template-columns: 1fr; }
  .benefit-grid article, .benefit-grid article:first-child { min-height: 220px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); border-left: 1px solid var(--line); }
  .benefit-grid h3 { margin-top: 36px; }
  .product-stage { grid-template-columns: 1fr; }
  .product-image-wrap { min-height: 0; aspect-ratio: 16 / 9; }
  .product-tabs { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--ink); border-left: 0; }
  .product-tabs button { min-height: 62px; border-right: 1px solid var(--line); }
  .spec-grid { grid-template-columns: repeat(2, 1fr); }
  /* Mobile: keep the use-case artwork in its native proportions.
     The old 340px minimum height forced a narrow/tall crop on phones. */
  .usecase-stage { min-height: 0; aspect-ratio: auto; }
  .usecase-backdrop { position: relative; inset: auto; z-index: 0; width: 100%; height: auto; object-fit: contain; }
  .usecase-shade { z-index: 1; }
  .usecase-stage-label, .usecase-stage-caption { z-index: 2; }
  .usecase-car { right: 4%; bottom: 86px; width: 86%; height: 62%; }
  .usecase-stage-caption { display: grid; gap: 5px; }
  .usecase-stage-caption > span { text-align: left; }
  .usecase-list { grid-template-columns: 1fr; }
  .usecase-card { min-height: 130px; }
  .engineering-panel { grid-template-columns: 1fr; }
  .engineering-stage { min-height: 390px; border-right: 0; border-bottom: 1px solid rgba(118,215,255,.22); }
  .engineering-copy { min-height: 280px; }
  .engineering-tabs { grid-template-columns: 1fr; }
  .engineering-tabs button { min-height: 62px; border-right: 0; border-bottom: 1px solid rgba(118,215,255,.17); }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery-item { grid-column: span 1; }
  .gallery-item--wide { grid-column: span 2; }
  .now-columns { grid-template-columns: 1fr; }
  .now-columns article, .now-columns article:first-child { border-left: 1px solid var(--line); }
  .preorder-form { padding: 26px 20px; }
  .contact-panel { margin-top: 56px; padding-top: 44px; }
  .faq-layout { grid-template-columns: 1fr; gap: 60px; }
  .final-copy { padding-right: 20px; padding-left: 20px; }
  .site-footer { grid-template-columns: 1fr; align-items: start; }
  .site-footer p:last-child { text-align: left; }
  .back-to-top { right: max(14px, env(safe-area-inset-right)); bottom: max(14px, env(safe-area-inset-bottom)); width: 46px; height: 46px; }
  .master-modal { padding: 8px; }
  .master-toolbar { grid-template-columns: 1fr auto; gap: 8px; }
  .master-toolbar > strong { grid-column: 1 / -1; }
  .master-controls { min-width: 0; overflow-x: auto; padding-bottom: 3px; }
  .master-control { min-width: 44px; min-height: 44px; padding: 0 11px; white-space: nowrap; }
  .master-loupe-toggle { display: none; }
  .master-close { grid-column: 2; grid-row: 2; }
  .master-lens { display: none !important; }
}

@media (max-width: 520px) {
  .button { width: 100%; }
  .site-header .header-cta { width: auto; }
  .display-title { font-size: 39px; }
  .product-image-wrap { min-height: 0; aspect-ratio: 16 / 9; }
  .product-tabs { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr; }
  .spec-grid article { min-height: 180px; }
  .spec-note { grid-template-columns: 1fr; }
  .usecase-card { grid-template-columns: 44px 1fr; }
  .dimensions-board figcaption { display: grid; gap: 4px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item, .gallery-item--wide { grid-column: 1 / -1; }
  .preorder-form, .contact-form { grid-template-columns: 1fr; }
  .field, .field--wide, .consent, .form-actions, .form-status { grid-column: 1; }
  .form-actions { grid-template-columns: 1fr; }
  .preorder-note { grid-template-columns: 1fr; gap: 8px; }
  .usecase-stage-caption { right: 12px; bottom: 12px; left: 12px; }
  .faq-list article > button { grid-template-columns: 34px 1fr auto; }
  .faq-answer { padding-left: 34px; }
  .modal { grid-template-columns: 1fr; padding: 60px 8px 76px; }
  .modal-frame { grid-column: 1; grid-row: 1; }
  .modal-frame img { max-width: calc(100vw - 16px) !important; max-height: calc(100dvh - 152px) !important; }
  .modal-meta { padding: 12px 8px 0; }
  .modal-nav { position: fixed; bottom: 12px; z-index: 2; width: 54px; height: 54px; }
  .modal-nav--prev { left: calc(50% - 62px); }
  .modal-nav--next { right: calc(50% - 62px); }
}

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