:root {
  --paper: #f2efe7;
  --paper-2: #e7e0d2;
  --ink: #191a18;
  --muted: #66665f;
  --line: rgba(25, 26, 24, 0.18);
  --orange: #ff5a1f;
  --orange-deep: #dd3e0b;
  --white: #fffdf7;
  --max: 1440px;
  --pad: clamp(22px, 4vw, 64px);
  --display: "Archivo Black", Impact, sans-serif;
  --body: "Manrope", Arial, sans-serif;
  --mono: "IBM Plex Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--body); font-size: 16px; line-height: 1.5; overflow-x: hidden; }
body.locked { overflow: hidden; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
svg { fill: none; stroke: currentColor; stroke-width: 1.5; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 1000; padding: 10px 14px; background: var(--white); transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.section-pad { padding: clamp(70px, 9vw, 145px) var(--pad); }
.eyebrow { margin: 0 0 26px; font: 600 11px/1 var(--mono); letter-spacing: .14em; }
.eyebrow.light { color: rgba(255,255,255,.72); }
.section-index { padding-bottom: 18px; border-bottom: 1px solid var(--line); color: var(--muted); font: 500 10px/1 var(--mono); letter-spacing: .12em; }
.button { display: inline-flex; align-items: center; justify-content: space-between; min-height: 54px; gap: 48px; padding: 0 20px; border: 1px solid transparent; border-radius: 0; font: 600 12px/1 var(--mono); letter-spacing: .03em; cursor: pointer; transition: background .25s, color .25s, transform .25s; }
.button:hover { transform: translateY(-2px); }
.button-accent { color: var(--white); background: var(--orange); }
.button-accent:hover { background: var(--orange-deep); }
.button-light { color: var(--ink); background: var(--white); }
.button-dark { color: var(--white); background: var(--ink); }
.text-link { display: inline-flex; align-items: center; gap: 10px; padding: 0; border: 0; border-bottom: 1px solid currentColor; background: transparent; color: var(--ink); font: 600 11px/2 var(--mono); cursor: pointer; }
.text-link.light { color: var(--white); border-color: rgba(255,255,255,.65); }
.text-link small { color: rgba(255,255,255,.55); }
.play { font-size: 8px; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s ease, transform .75s cubic-bezier(.22,1,.36,1); }
.reveal.visible { opacity: 1; transform: none; }

.announcement { min-height: 34px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 7px var(--pad); background: var(--orange); color: var(--ink); font: 600 9px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.announcement p { margin: 0; text-align: center; }
.announcement a { justify-self: end; border-bottom: 1px solid currentColor; }
.site-header { position: absolute; top: 34px; left: 0; right: 0; z-index: 20; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 78px; padding: 0 var(--pad); color: var(--white); border-bottom: 1px solid rgba(255,255,255,.25); transition: background .25s, color .25s; }
.wordmark { display: inline-flex; align-items: center; gap: 10px; width: max-content; font: 20px/1 var(--display); letter-spacing: -.04em; }
.wordmark svg { width: 23px; height: 23px; fill: currentColor; stroke: none; }
.desktop-nav { display: flex; gap: clamp(20px, 3vw, 48px); font: 500 10px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.desktop-nav a { position: relative; padding: 34px 0; }
.desktop-nav a::after { content: ""; position: absolute; bottom: 26px; left: 0; width: 100%; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .25s; }
.desktop-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 12px; }
.icon-button, .menu-button { width: 38px; height: 38px; display: grid; place-items: center; padding: 0; border: 0; background: transparent; color: inherit; cursor: pointer; }
.icon-button svg { width: 19px; height: 19px; }
.cart-button { display: flex; gap: 8px; align-items: center; padding: 9px 12px; border: 1px solid currentColor; background: transparent; color: inherit; font: 500 10px/1 var(--mono); text-transform: uppercase; cursor: pointer; }
.cart-count { display: inline-grid; place-items: center; min-width: 17px; height: 17px; padding: 0 4px; color: var(--ink); background: var(--orange); }
.menu-button { display: none; }
.menu-button span { display: block; width: 22px; height: 1px; background: currentColor; margin: 3px; }
.mobile-nav { display: none; }

.hero { position: relative; min-height: min(890px, calc(100vh - 34px)); height: calc(100svh - 34px); color: var(--white); overflow: hidden; background: #2a2a25; }
.hero-image { width: 100%; height: 100%; object-fit: cover; object-position: center; transform: scale(1.015); animation: heroIn 1.4s cubic-bezier(.2,.7,.2,1) forwards; }
@keyframes heroIn { to { transform: scale(1); } }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,15,12,.78) 0%, rgba(15,15,12,.37) 43%, rgba(15,15,12,.05) 75%), linear-gradient(0deg, rgba(12,12,10,.45), transparent 45%); }
.topo-lines, .newsletter-lines { position: absolute; inset: 0; opacity: .17; background-image: repeating-radial-gradient(ellipse at 12% 65%, transparent 0 19px, rgba(255,255,255,.72) 20px 21px, transparent 22px 38px); transform: scale(1.6); }
.hero-copy { position: absolute; z-index: 2; left: var(--pad); top: 50%; width: min(720px, 58vw); transform: translateY(-42%); }
.hero-copy.visible { transform: translateY(-50%); }
.hero h1 { margin: 0; max-width: 790px; font: clamp(58px, 8.4vw, 136px)/.82 var(--display); letter-spacing: -.075em; text-transform: uppercase; }
.hero h1 em { color: var(--orange); font-style: normal; }
.hero-deck { max-width: 480px; margin: 30px 0 32px; color: rgba(255,255,255,.83); font-size: clamp(15px, 1.25vw, 19px); }
.hero-actions { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.hero-stat { position: absolute; z-index: 2; right: var(--pad); bottom: 64px; display: flex; align-items: center; gap: 17px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.5); min-width: 225px; }
.hero-stat > span { color: var(--orange); font: 36px/1 var(--display); }
.hero-stat div { display: grid; }
.hero-stat strong { font: 600 11px/1.5 var(--mono); text-transform: uppercase; }
.hero-stat small { color: rgba(255,255,255,.6); font-size: 11px; }
.hero-coordinate { position: absolute; z-index: 2; right: 22px; top: 50%; writing-mode: vertical-rl; color: rgba(255,255,255,.5); font: 9px/1 var(--mono); letter-spacing: .12em; }

.marquee { overflow: hidden; padding: 14px 0; color: var(--white); background: var(--ink); border-top: 1px solid #393a37; }
.marquee-track { display: flex; width: max-content; align-items: center; gap: 28px; animation: marquee 32s linear infinite; font: 500 10px/1 var(--mono); letter-spacing: .08em; }
.marquee-track i { color: var(--orange); font-style: normal; }
@keyframes marquee { to { transform: translateX(-50%); } }

.intro { display: grid; grid-template-columns: 1fr 1fr; column-gap: 7vw; }
.intro .section-index { grid-column: 1 / -1; margin-bottom: 85px; }
.intro-heading h2, .engineering-head h2, .faq-title h2, .journal-title h2 { margin: 0; font: clamp(45px, 6vw, 92px)/.92 var(--display); letter-spacing: -.065em; text-transform: uppercase; }
.intro-copy { align-self: end; max-width: 490px; margin: 0 0 5px; color: #484942; font-size: clamp(17px, 1.5vw, 22px); line-height: 1.55; }

.product-grid { padding-top: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(42px, 6vw, 96px) 24px; }
.product-card-featured { grid-column: 1 / -1; }
.product-visual { position: relative; display: block; overflow: hidden; aspect-ratio: 1 / 1; background: #e2ddd3; cursor: pointer; }
.product-card-featured .product-visual { aspect-ratio: 16 / 8.2; }
.product-card-featured .product-visual img { object-fit: contain; background: #cbc4b9; }
.product-visual img { width: 100%; height: 100%; object-fit: cover; transition: transform .65s cubic-bezier(.2,.8,.2,1); }
.product-visual:hover img { transform: scale(1.035); }
.product-badge { position: absolute; z-index: 2; top: 14px; left: 14px; padding: 8px 10px; background: var(--orange); font: 600 9px/1 var(--mono); letter-spacing: .06em; }
.product-badge.subtle { background: var(--paper); }
.view-product { position: absolute; z-index: 2; right: 14px; bottom: 14px; display: flex; justify-content: space-between; min-width: 145px; padding: 12px; color: var(--white); background: rgba(25,26,24,.9); font: 500 10px/1 var(--mono); opacity: 0; transform: translateY(8px); transition: opacity .25s, transform .25s; }
.product-visual:hover .view-product { opacity: 1; transform: none; }
.product-meta { display: flex; justify-content: space-between; gap: 20px; padding-top: 20px; border-top: 1px solid var(--ink); }
.product-code { margin: 0 0 9px; color: var(--muted); font: 500 9px/1 var(--mono); letter-spacing: .08em; }
.product-meta h3 { margin: 0 0 5px; font-size: clamp(20px, 2vw, 29px); line-height: 1; letter-spacing: -.04em; }
.product-meta p:last-child { margin: 0; color: var(--muted); font-size: 12px; }
.product-buy { display: grid; justify-items: end; align-content: space-between; white-space: nowrap; }
.product-buy strong { font: 600 16px/1 var(--mono); }
.product-buy button { padding: 7px 0 3px; border: 0; border-bottom: 1px solid var(--ink); background: transparent; font: 600 10px/1 var(--mono); cursor: pointer; }

.feature-story { display: grid; grid-template-columns: 1.12fr .88fr; min-height: 850px; color: var(--white); background: var(--ink); }
.feature-image { position: relative; overflow: hidden; background: #c8c0b5; }
.feature-image > img { width: 100%; height: 100%; object-fit: cover; }
.feature-callout { position: absolute; display: flex; align-items: center; gap: 9px; color: var(--white); font: 500 10px/1.25 var(--mono); }
.feature-callout > span { display: grid; place-items: center; width: 27px; height: 27px; border-radius: 50%; color: var(--ink); background: var(--orange); }
.feature-callout p { margin: 0; padding: 7px 9px; background: rgba(25,26,24,.85); }
.feature-callout small { color: rgba(255,255,255,.6); }
.callout-a { left: 14%; top: 22%; }
.callout-b { right: 10%; bottom: 22%; }
.feature-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(60px, 7vw, 110px); }
.feature-copy h2 { margin: 0; font: clamp(44px, 5.2vw, 80px)/.94 var(--display); letter-spacing: -.06em; text-transform: uppercase; }
.feature-copy > p:not(.eyebrow) { max-width: 550px; margin: 35px 0 42px; color: rgba(255,255,255,.67); font-size: 15px; }
.spec-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid rgba(255,255,255,.2); border-left: 1px solid rgba(255,255,255,.2); }
.spec-grid div { display: grid; padding: 22px 18px; border-right: 1px solid rgba(255,255,255,.2); border-bottom: 1px solid rgba(255,255,255,.2); }
.spec-grid strong { font: 30px/1 var(--display); color: var(--orange); }
.spec-grid span { margin-top: 6px; color: rgba(255,255,255,.55); font: 500 9px/1 var(--mono); text-transform: uppercase; }
.feature-buy { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 38px; }
.feature-buy > div { display: grid; }
.feature-buy strong { font: 26px/1.2 var(--mono); }
.feature-buy small { color: rgba(255,255,255,.5); font-size: 10px; }

.engineering .section-index { margin-bottom: 80px; }
.engineering-head { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 70px; }
.engineering-head .eyebrow { width: 30%; }
.engineering-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.engineering-card { min-height: 420px; display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--line); background: var(--paper-2); }
.engineering-card.dark { color: var(--white); background: var(--ink); }
.engineering-card.accent { background: var(--orange); }
.engineering-card > span { font: 500 10px/1 var(--mono); }
.engineering-card svg { width: 135px; height: 105px; margin: auto; stroke-width: 1; }
.engineering-card h3 { margin: 0 0 12px; font-size: 21px; letter-spacing: -.035em; }
.engineering-card p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.engineering-card.dark p { color: rgba(255,255,255,.6); }
.engineering-card.accent p { color: rgba(25,26,24,.72); }

.kit-builder { display: grid; grid-template-columns: .8fr 1.2fr; gap: 8vw; color: var(--white); background: #292a27; }
.kit-copy { align-self: center; }
.kit-copy h2 { margin: 0; font: clamp(42px, 5vw, 76px)/.95 var(--display); letter-spacing: -.06em; text-transform: uppercase; }
.kit-copy > p:not(.eyebrow) { max-width: 500px; color: rgba(255,255,255,.62); }
.kit-copy ul { margin: 36px 0 0; padding: 0; list-style: none; counter-reset: product; border-top: 1px solid rgba(255,255,255,.2); }
.kit-copy li { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.2); font: 500 11px/1 var(--mono); }
.kit-copy li::after { counter-increment: product; content: "0" counter(product); color: var(--orange); }
.kit-panel { padding: clamp(22px, 3vw, 45px); color: var(--ink); background: var(--paper); }
.kit-panel > p { margin: 0 0 20px; font: 600 10px/1 var(--mono); letter-spacing: .1em; }
.kit-products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.kit-products img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.kit-price { display: flex; gap: 35px; margin: 24px 0; }
.kit-price div { display: grid; }
.kit-price span { color: var(--muted); font: 500 8px/1 var(--mono); }
.kit-price strong, .kit-price s { margin-top: 5px; font: 22px/1 var(--mono); }
.kit-price s { color: var(--muted); }
.kit-panel .button { width: 100%; background: var(--ink); color: var(--white); }

.field-notes .section-index { margin-bottom: 70px; }
.journal-title { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 55px; }
.journal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.journal-art { position: relative; aspect-ratio: 1.25; overflow: hidden; margin-bottom: 20px; background-color: #ccc3b4; }
.journal-art span { position: absolute; top: 14px; left: 14px; padding: 6px 8px; color: var(--white); background: var(--ink); font: 500 8px/1 var(--mono); }
.topo-art { background-image: repeating-radial-gradient(ellipse at 65% 40%, #282927 0 11px, #ea571f 12px 13px, #282927 14px 26px); }
.thermal-art { background: radial-gradient(circle at 30% 60%, #ffdb7b 0 5%, #ff5a1f 18%, #702925 37%, #191a18 62%); }
.grid-art { background-color: #d8d1c4; background-image: linear-gradient(rgba(25,26,24,.2) 1px, transparent 1px), linear-gradient(90deg, rgba(25,26,24,.2) 1px, transparent 1px); background-size: 22px 22px; }
.grid-art::after { content: ""; position: absolute; inset: 20% 17%; border: 20px solid var(--orange); transform: rotate(15deg); }
.journal-card > div:last-child { border-top: 1px solid var(--ink); padding-top: 14px; }
.journal-card p { margin: 0 0 12px; color: var(--muted); font: 500 8px/1 var(--mono); }
.journal-card h3 { min-height: 54px; margin: 0 0 20px; font-size: 18px; line-height: 1.35; letter-spacing: -.03em; }
.journal-card a { border-bottom: 1px solid var(--ink); font: 600 9px/1.7 var(--mono); }

.faq { display: grid; grid-template-columns: .7fr 1.3fr; gap: 8vw; padding-top: 80px; background: var(--paper-2); }
.accordion { border-top: 1px solid var(--ink); }
.accordion details { border-bottom: 1px solid var(--line); }
.accordion summary { display: flex; justify-content: space-between; gap: 20px; padding: 25px 0; list-style: none; font-size: 15px; font-weight: 600; cursor: pointer; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span { font: 24px/1 var(--mono); transition: transform .2s; }
.accordion details[open] summary span { transform: rotate(45deg); }
.accordion details p { max-width: 650px; margin: -5px 40px 28px 0; color: var(--muted); font-size: 13px; line-height: 1.7; }

.newsletter { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; padding: clamp(80px, 10vw, 150px) var(--pad); overflow: hidden; color: var(--white); background: var(--orange); }
.newsletter-copy, .newsletter-form { position: relative; z-index: 1; }
.newsletter-copy h2 { margin: 0; font: clamp(44px, 6vw, 90px)/.9 var(--display); letter-spacing: -.07em; text-transform: uppercase; }
.newsletter-copy > p:last-child { max-width: 440px; color: rgba(25,26,24,.67); }
.newsletter-form { align-self: end; }
.newsletter-form label { display: block; margin-bottom: 12px; font: 600 9px/1 var(--mono); letter-spacing: .08em; }
.newsletter-form > div { display: flex; border-bottom: 2px solid var(--ink); }
.newsletter-form input { flex: 1; min-width: 0; padding: 17px 0; border: 0; outline: 0; color: var(--ink); background: transparent; font-size: 21px; }
.newsletter-form input::placeholder { color: rgba(25,26,24,.45); }
.newsletter-form button { border: 0; background: transparent; font: 600 10px/1 var(--mono); cursor: pointer; }
.newsletter-form small { display: block; margin-top: 12px; color: rgba(25,26,24,.62); font-size: 9px; }
.form-success { margin-top: 15px; font: 600 11px/1 var(--mono); }

.site-footer { padding: 70px var(--pad) 22px; color: var(--white); background: var(--ink); }
.site-footer > div:first-child { display: inline-block; }
.footer-mark { width: 40%; }
.footer-mark svg { width: 40px; fill: var(--orange); stroke: none; vertical-align: middle; }
.footer-mark > span { margin-left: 10px; font: 37px/1 var(--display); letter-spacing: -.05em; vertical-align: middle; }
.footer-mark p { max-width: 260px; color: rgba(255,255,255,.5); font-size: 12px; }
.footer-links { float: right; width: 52%; display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.footer-links div { display: grid; align-content: start; gap: 9px; }
.footer-links strong { margin-bottom: 9px; color: rgba(255,255,255,.4); font: 500 8px/1 var(--mono); }
.footer-links a { width: max-content; font-size: 11px; }
.footer-links a:hover { color: var(--orange); }
.footer-bottom { clear: both; display: flex; justify-content: space-between; gap: 20px; padding-top: 75px; color: rgba(255,255,255,.37); font: 500 8px/1 var(--mono); letter-spacing: .05em; }

.drawer-scrim { position: fixed; inset: 0; z-index: 80; background: rgba(10,10,8,.58); backdrop-filter: blur(3px); }
.cart-drawer { position: fixed; z-index: 90; top: 0; right: 0; width: min(480px, 100%); height: 100%; display: flex; flex-direction: column; padding: 0 26px 26px; background: var(--paper); transform: translateX(102%); transition: transform .4s cubic-bezier(.2,.8,.2,1); }
.cart-drawer.open { transform: none; }
.drawer-head { display: flex; justify-content: space-between; align-items: center; min-height: 75px; border-bottom: 1px solid var(--ink); }
.drawer-head p { font: 600 10px/1 var(--mono); }
.drawer-head p span { color: var(--orange); }
.drawer-head button { border: 0; background: transparent; font-size: 29px; cursor: pointer; }
.cart-empty { margin: auto 0; text-align: center; }
.cart-empty > span { color: var(--orange); font: 55px/1 var(--display); }
.cart-empty h2 { margin: 10px 0; font: 39px/1 var(--display); text-transform: uppercase; }
.cart-empty p { color: var(--muted); font-size: 12px; }
.cart-empty .button { margin-top: 18px; }
.cart-items { overflow-y: auto; }
.cart-line { display: grid; grid-template-columns: 88px 1fr auto; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.cart-line img { width: 88px; height: 88px; object-fit: cover; }
.cart-line h3 { margin: 6px 0 4px; font-size: 14px; }
.cart-line p { margin: 0; color: var(--muted); font: 9px/1 var(--mono); }
.cart-line button { align-self: start; padding: 4px; border: 0; background: transparent; cursor: pointer; }
.cart-summary { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--ink); }
.cart-summary > div { display: flex; justify-content: space-between; }
.cart-summary span, .cart-summary small { font: 500 9px/1.4 var(--mono); color: var(--muted); }
.cart-summary strong { font: 20px/1 var(--mono); }
.cart-summary .button { width: 100%; margin-top: 20px; }
.cart-summary p { font-size: 10px; text-align: center; color: var(--muted); }

.search-overlay { position: fixed; inset: 0; z-index: 100; padding: clamp(90px, 14vw, 180px) var(--pad); color: var(--white); background: rgba(25,26,24,.98); }
.search-overlay > button { position: absolute; top: 24px; right: var(--pad); border: 0; color: var(--white); background: transparent; font-size: 35px; cursor: pointer; }
.search-overlay form { display: grid; }
.search-overlay label { margin-bottom: 30px; color: rgba(255,255,255,.5); font: 500 10px/1 var(--mono); }
.search-overlay input { padding: 10px 0 22px; border: 0; border-bottom: 2px solid var(--white); outline: 0; color: var(--white); background: transparent; font: clamp(30px, 5vw, 75px)/1 var(--display); text-transform: uppercase; }
.search-overlay input::placeholder { color: rgba(255,255,255,.2); }
.search-overlay > p { font: 500 9px/1.8 var(--mono); color: rgba(255,255,255,.4); }
.search-overlay > p a { color: var(--white); }
.film-modal { width: min(900px, calc(100% - 40px)); padding: 0; border: 0; color: var(--white); background: var(--ink); }
.film-modal::backdrop { background: rgba(10,10,8,.82); backdrop-filter: blur(5px); }
.film-modal > button { position: absolute; z-index: 2; top: 15px; right: 15px; border: 0; color: var(--white); background: transparent; font-size: 30px; cursor: pointer; }
.film-placeholder { aspect-ratio: 16/9; display: grid; place-items: center; align-content: center; gap: 15px; background: radial-gradient(circle at 30% 40%, #6a371f, #1b1c19 60%); }
.film-placeholder > span { font: 500 9px/1 var(--mono); color: rgba(255,255,255,.6); }
.film-play { display: grid; place-items: center; width: 75px; height: 75px; border: 1px solid var(--orange); border-radius: 50%; color: var(--orange); }
.film-placeholder p { color: rgba(255,255,255,.55); font-size: 12px; }

@media (max-width: 980px) {
  .announcement { grid-template-columns: 1fr auto; }
  .announcement p { display: none; }
  .desktop-nav, .icon-button { display: none; }
  .site-header { grid-template-columns: 1fr auto; }
  .menu-button { display: grid; }
  .mobile-nav { position: absolute; z-index: 19; top: 112px; left: 0; right: 0; display: grid; gap: 0; padding: 15px var(--pad) 24px; color: var(--white); background: rgba(25,26,24,.98); transform: translateY(-140%); transition: transform .35s; }
  .mobile-nav.open { transform: none; }
  .mobile-nav a { padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.2); font: 500 11px/1 var(--mono); text-transform: uppercase; }
  .hero-copy { width: 75vw; }
  .hero h1 { font-size: clamp(60px, 12vw, 105px); }
  .feature-story { grid-template-columns: 1fr; }
  .feature-image { min-height: 650px; }
  .feature-copy { min-height: 700px; }
  .engineering-grid { grid-template-columns: 1fr 1fr; }
  .engineering-card:last-child { grid-column: 1 / -1; }
  .kit-builder { grid-template-columns: 1fr; }
  .journal-grid { gap: 15px; }
  .newsletter { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .announcement a { display: none; }
  .announcement { display: block; text-align: center; }
  .site-header { top: 34px; min-height: 66px; }
  .wordmark { font-size: 17px; }
  .wordmark svg { width: 20px; }
  .cart-button > span:first-child { display: none; }
  .mobile-nav { top: 100px; }
  .hero { min-height: 720px; height: calc(100svh - 34px); }
  .hero-image { object-position: 64% center; }
  .hero-shade { background: linear-gradient(0deg, rgba(13,13,11,.78) 0%, rgba(13,13,11,.3) 70%); }
  .hero-copy { top: auto; bottom: 72px; width: calc(100% - 44px); transform: translateY(20px); }
  .hero-copy.visible { transform: none; }
  .hero h1 { font-size: clamp(52px, 16vw, 76px); }
  .hero-deck { max-width: 90%; margin: 22px 0 25px; font-size: 14px; }
  .hero-actions { gap: 20px; }
  .hero-stat, .hero-coordinate { display: none; }
  .button { gap: 25px; }
  .intro { grid-template-columns: 1fr; }
  .intro .section-index { margin-bottom: 50px; }
  .intro-copy { margin-top: 40px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card-featured { grid-column: auto; }
  .product-card-featured .product-visual { aspect-ratio: 1; }
  .view-product { opacity: 1; transform: none; }
  .product-meta { gap: 10px; }
  .product-meta p:last-child { max-width: 210px; }
  .feature-image { min-height: 470px; }
  .feature-copy { min-height: auto; padding: 70px 22px; }
  .feature-copy h2 { font-size: 47px; }
  .feature-buy { align-items: stretch; flex-direction: column; }
  .engineering-head { display: block; }
  .engineering-head .eyebrow { width: auto; }
  .engineering-grid { grid-template-columns: 1fr; }
  .engineering-card:last-child { grid-column: auto; }
  .kit-products { grid-template-columns: repeat(3, 1fr); }
  .journal-title { align-items: start; flex-direction: column; }
  .journal-grid { grid-template-columns: 1fr; gap: 50px; }
  .faq { grid-template-columns: 1fr; }
  .newsletter-form > div { align-items: end; }
  .newsletter-form input { font-size: 16px; }
  .newsletter-form button { padding: 15px 0 15px 12px; }
  .footer-mark { width: 100%; }
  .footer-links { float: none; width: 100%; margin-top: 50px; }
  .footer-bottom { flex-direction: column; padding-top: 50px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}