:root {
  --ink: #07111f;
  --ink-2: #0d1929;
  --paper: #f2f0ea;
  --paper-bright: #faf9f5;
  --stone: #c9c5bb;
  --muted: #6b716f;
  --line: rgba(7, 17, 31, 0.16);
  --amber: #ff9b3d;
  --amber-bright: #ffad58;
  --blue: #7ba2c8;
  --white: #fff;
  --sans: "Avenir Next", Avenir, "Segoe UI", Helvetica, Arial, sans-serif;
  --serif: Iowan Old Style, Baskerville, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 82px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
body > div { min-height: 100vh; }
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }
button, summary { font: inherit; }
em { font-family: var(--serif); font-weight: 400; }

.skip-link { position: fixed; top: 10px; left: 10px; z-index: 1000; transform: translateY(-160%); background: var(--amber); color: var(--ink); padding: 10px 14px; font-weight: 700; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: fixed; inset: 0 0 auto; z-index: 100; height: 78px; color: var(--white); background: linear-gradient(180deg, rgba(4,11,21,.82), rgba(4,11,21,.1)); backdrop-filter: blur(8px); }
.header-inner { width: min(100% - 56px, 1420px); height: 100%; margin: auto; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.18); }
.brand { display: inline-flex; gap: 12px; align-items: center; letter-spacing: .18em; font-size: 14px; font-weight: 500; }
.brand b { font-weight: 800; }
.brand-mark { position: relative; width: 28px; height: 32px; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50% 50% 58% 58% / 30% 30% 70% 70%; transform: scaleY(.9); }
.brand-mark::before, .brand-mark::after, .brand-mark span::before { content: ""; position: absolute; background: currentColor; opacity: .7; }
.brand-mark::before { width: 1px; height: 22px; transform: rotate(35deg); }
.brand-mark::after { width: 1px; height: 22px; transform: rotate(-35deg); }
.brand-mark span::before { width: 18px; height: 1px; left: -9px; top: 0; }
.desktop-nav { display: flex; align-items: center; gap: clamp(18px, 2.2vw, 38px); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.desktop-nav a { padding: 12px 0; opacity: .82; transition: opacity .2s ease, color .2s ease; }
.desktop-nav a:hover, .desktop-nav a:focus-visible { color: var(--amber-bright); opacity: 1; }
.desktop-nav .nav-cta { padding: 11px 17px; border: 1px solid rgba(255,255,255,.42); opacity: 1; }
.mobile-nav { display: none; position: relative; }
.mobile-nav summary { width: 42px; height: 42px; cursor: pointer; list-style: none; display: grid; place-content: center; gap: 7px; border: 1px solid rgba(255,255,255,.3); }
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav summary span { width: 20px; height: 1px; background: currentColor; }
.mobile-nav nav { position: fixed; left: 0; right: 0; top: 78px; padding: 24px 28px 30px; display: grid; background: var(--ink); border-bottom: 1px solid rgba(255,255,255,.15); }
.mobile-nav nav a { padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.1); text-transform: uppercase; letter-spacing: .12em; font-size: 13px; }

.hero { min-height: 790px; height: 100svh; position: relative; display: grid; align-items: center; overflow: hidden; color: var(--white); background: var(--ink); }
.hero-image, .hero-scrim, .hero-grid { position: absolute; inset: 0; }
.hero-image { background: url("/images/soul-shield-hero.jpg") center / cover no-repeat; transform: scale(1.015); animation: settle 1.4s ease-out both; }
.hero-scrim { background: linear-gradient(90deg, rgba(4,12,24,.97) 0%, rgba(4,12,24,.84) 34%, rgba(4,12,24,.28) 68%, rgba(4,12,24,.08) 100%), linear-gradient(0deg, rgba(4,12,24,.78), transparent 40%); }
.hero-grid { opacity: .12; background-image: linear-gradient(rgba(255,255,255,.25) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.25) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(90deg, black, transparent 65%); }
.hero-content { position: relative; z-index: 2; width: min(100% - 112px, 1420px); margin: 48px auto 0; }
.eyebrow, .kicker { margin: 0 0 24px; font-size: 11px; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
.eyebrow { color: rgba(255,255,255,.7); display: flex; gap: 12px; align-items: center; animation: rise .8s .15s ease-out both; }
.eyebrow span { width: 28px; height: 1px; background: var(--amber); box-shadow: 0 0 16px rgba(255,155,61,.8); }
.hero h1 { max-width: 820px; margin: 0; font-size: clamp(62px, 7.1vw, 118px); line-height: .88; letter-spacing: -.055em; font-weight: 650; animation: rise .9s .22s ease-out both; }
.hero h1 em { color: var(--amber-bright); font-size: .94em; }
.hero-lede { max-width: 660px; margin: 34px 0 0; color: rgba(255,255,255,.76); font-size: clamp(17px, 1.3vw, 21px); line-height: 1.65; animation: rise .9s .3s ease-out both; }
.hero-actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 14px; animation: rise .9s .38s ease-out both; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 14px; padding: 0 22px; font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--amber); color: var(--ink); }
.button-primary:hover { background: var(--amber-bright); }
.button-ghost { color: var(--white); border: 1px solid rgba(255,255,255,.32); background: rgba(255,255,255,.04); }
.button-ghost:hover { background: rgba(255,255,255,.1); }
.play-dot { width: 24px; height: 24px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.45); border-radius: 50%; font-size: 8px; padding-left: 1px; }
.hero-proof { position: absolute; right: max(56px, calc((100vw - 1420px)/2)); bottom: 48px; z-index: 2; display: flex; padding: 20px 0; border-top: 1px solid rgba(255,255,255,.22); border-bottom: 1px solid rgba(255,255,255,.22); }
.hero-proof div { min-width: 142px; padding: 0 24px; border-left: 1px solid rgba(255,255,255,.16); }
.hero-proof div:first-child { border: 0; }
.hero-proof strong { display: block; color: var(--amber-bright); font-family: var(--serif); font-size: 25px; font-weight: 400; }
.hero-proof span { display: block; margin-top: 4px; color: rgba(255,255,255,.58); font-size: 9px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.scroll-cue { position: absolute; left: max(56px, calc((100vw - 1420px)/2)); bottom: 50px; z-index: 3; display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.55); font-size: 10px; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
.scroll-cue span { width: 1px; height: 38px; background: linear-gradient(var(--amber), transparent); animation: pulse 1.8s infinite; }

.signal-bar { overflow: hidden; color: var(--ink); background: var(--amber); }
.signal-track { width: max-content; min-width: 100%; height: 54px; display: flex; align-items: center; justify-content: space-around; gap: 42px; padding: 0 26px; }
.signal-track span { font-size: 10px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; white-space: nowrap; }
.signal-track i { width: 4px; height: 4px; background: var(--ink); transform: rotate(45deg); opacity: .55; }

.section { width: min(100% - 112px, 1320px); margin: 0 auto; padding: 150px 0; }
.mission { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(70px, 10vw, 180px); }
.section-number { position: absolute; top: 78px; left: 0; color: rgba(7,17,31,.2); font-family: var(--serif); font-size: 14px; }
.kicker { color: #8a5b2d; }
.kicker-light { color: var(--amber-bright); }
.mission h2, .section-intro h2, .field-heading h2, .specs-heading h2, .about h2, .partners h2 { margin: 0; font-size: clamp(48px, 5.2vw, 80px); line-height: .98; letter-spacing: -.045em; font-weight: 650; }
.mission h2 em, .field-heading h2 em, .about h2 em { color: #8a5b2d; }
.mission-copy { padding-top: 38px; }
.mission-copy p, .about-copy > p { color: #535b59; font-size: 16px; line-height: 1.8; }
.mission-copy .lead, .about-copy .lead { margin-top: 0; color: var(--ink); font-family: var(--serif); font-size: 25px; line-height: 1.45; }
blockquote { margin: 44px 0 0; padding: 25px 0 25px 30px; border-left: 2px solid var(--amber); color: var(--ink); font-family: var(--serif); font-size: 25px; line-height: 1.35; }

.section-dark { color: var(--white); background: var(--ink); }
.system { padding: 150px max(56px, calc((100vw - 1320px)/2)); }
.section-intro { display: grid; grid-template-columns: 1.1fr .9fr; gap: 100px; align-items: end; }
.section-intro h2 em, .specs-heading h2 em, .partners h2 em { color: var(--amber-bright); }
.section-intro > p { max-width: 550px; margin: 0 0 5px; color: rgba(255,255,255,.6); font-size: 16px; line-height: 1.75; }
.stage-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 78px; border-top: 1px solid rgba(255,255,255,.16); border-left: 1px solid rgba(255,255,255,.16); }
.stage-card { min-height: 620px; padding: 25px; display: flex; flex-direction: column; border-right: 1px solid rgba(255,255,255,.16); border-bottom: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.015); }
.stage-card:hover { background: rgba(255,255,255,.045); }
.stage-live { background: linear-gradient(180deg, rgba(255,155,61,.08), rgba(255,255,255,.015) 45%); }
.stage-top { display: flex; justify-content: space-between; align-items: center; }
.stage-top span { color: rgba(255,255,255,.35); font-family: var(--serif); }
.stage-top b { color: rgba(255,255,255,.5); font-size: 8px; letter-spacing: .14em; text-transform: uppercase; }
.stage-live .stage-top b { color: var(--amber-bright); }
.stage-card h3 { margin: 12px 0 16px; font-size: 29px; letter-spacing: -.025em; }
.stage-card > p { min-height: 120px; margin: 0; color: rgba(255,255,255,.58); font-size: 14px; line-height: 1.65; }
.stage-card ul { margin: auto 0 0; padding: 0; list-style: none; }
.stage-card li { padding: 10px 0; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.72); font-size: 11px; letter-spacing: .03em; }
.stage-glyph { height: 180px; margin: 40px 0 25px; position: relative; display: grid; place-items: center; opacity: .85; }
.detect-glyph > span { width: 63px; height: 63px; border: 1px solid var(--amber); box-shadow: 0 0 34px rgba(255,155,61,.18); }
.detect-glyph > span::before, .detect-glyph > span::after { content: ""; position: absolute; background: var(--amber); }
.detect-glyph > span::before { width: 1px; height: 130px; left: 50%; top: 25px; }
.detect-glyph > span::after { width: 130px; height: 1px; left: calc(50% - 65px); top: 50%; }
.detect-glyph i { position: absolute; width: 12px; height: 12px; border-color: rgba(255,255,255,.45); border-style: solid; }
.detect-glyph i:nth-child(1) { top: 25px; left: 25px; border-width: 1px 0 0 1px; }
.detect-glyph i:nth-child(2) { top: 25px; right: 25px; border-width: 1px 1px 0 0; }
.detect-glyph i:nth-child(3) { bottom: 25px; left: 25px; border-width: 0 0 1px 1px; }
.detect-glyph i:nth-child(4) { bottom: 25px; right: 25px; border-width: 0 1px 1px 0; }
.alert-glyph span { position: absolute; border: 1px solid rgba(255,155,61,.8); border-radius: 50%; }
.alert-glyph span:nth-child(1) { width: 22px; height: 22px; background: var(--amber); box-shadow: 0 0 26px rgba(255,155,61,.45); }
.alert-glyph span:nth-child(2) { width: 75px; height: 75px; }
.alert-glyph span:nth-child(3) { width: 130px; height: 130px; border-color: rgba(255,255,255,.25); }
.disrupt-glyph span { width: 48px; height: 48px; border-radius: 50%; background: rgba(255,155,61,.12); border: 1px solid var(--amber); }
.disrupt-glyph i { position: absolute; width: 46px; height: 1px; background: rgba(255,255,255,.4); transform-origin: left; }
.disrupt-glyph i:nth-of-type(1) { transform: rotate(-42deg); }
.disrupt-glyph i:nth-of-type(2) { transform: rotate(0deg); }
.disrupt-glyph i:nth-of-type(3) { transform: rotate(42deg); }
.intervene-glyph span { width: 54px; height: 74px; border: 1px solid var(--amber); border-radius: 26px 26px 8px 8px; }
.intervene-glyph span::before { content: ""; position: absolute; width: 24px; height: 24px; top: 49px; left: calc(50% - 12px); border: 1px solid rgba(255,255,255,.45); border-radius: 50%; }
.intervene-glyph i { position: absolute; bottom: 35px; width: 1px; height: 46px; background: rgba(255,255,255,.4); }
.intervene-glyph i:first-of-type { left: calc(50% - 17px); transform: rotate(18deg); }
.intervene-glyph i:last-of-type { right: calc(50% - 17px); transform: rotate(-18deg); }

.field-tests { padding-bottom: 130px; }
.field-heading { display: grid; grid-template-columns: 1.15fr .85fr; gap: 90px; align-items: end; }
.field-heading > p { color: #535b59; font-size: 16px; line-height: 1.75; margin: 0 0 4px; }
.featured-test { margin-top: 76px; display: grid; grid-template-columns: minmax(280px, 480px) 1fr; min-height: 670px; background: var(--ink); color: var(--white); }
.video-frame { position: relative; min-height: 670px; overflow: hidden; background: #02060d; }
.video-frame video { width: 100%; height: 100%; object-fit: contain; }
.video-label { position: absolute; left: 20px; top: 20px; padding: 9px 12px; background: var(--amber); color: var(--ink); font-size: 9px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.test-copy { padding: clamp(42px, 6vw, 84px); display: flex; flex-direction: column; justify-content: center; }
.test-meta { display: flex; gap: 22px; align-items: center; color: var(--amber-bright); font-size: 10px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.test-meta time { color: rgba(255,255,255,.45); }
.test-copy h3 { max-width: 650px; margin: 23px 0; font-size: clamp(34px, 3.8vw, 58px); line-height: 1.02; letter-spacing: -.04em; }
.test-copy > p { max-width: 650px; color: rgba(255,255,255,.6); font-size: 15px; line-height: 1.75; }
.test-results { margin: 36px 0 30px; display: grid; grid-template-columns: repeat(3, 1fr); padding: 22px 0; border-top: 1px solid rgba(255,255,255,.16); border-bottom: 1px solid rgba(255,255,255,.16); }
.test-results div { padding: 0 20px; border-left: 1px solid rgba(255,255,255,.14); }
.test-results div:first-child { padding-left: 0; border: 0; }
.test-results strong { display: block; color: var(--amber-bright); font-family: var(--serif); font-size: 32px; font-weight: 400; }
.test-results span { color: rgba(255,255,255,.5); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 11px 25px; margin: 0; padding: 0; list-style: none; }
.check-list li { color: rgba(255,255,255,.7); font-size: 12px; }
.check-list li::before { content: "·"; margin-right: 9px; color: var(--amber); font-weight: 900; }
.test-archive { position: relative; margin-top: 85px; display: grid; grid-template-columns: repeat(4, 1fr); }
.archive-line { position: absolute; left: 0; right: 0; top: 15px; height: 1px; background: var(--line); }
.test-archive article { position: relative; padding-right: 36px; }
.timeline-dot { position: relative; z-index: 1; width: 9px; height: 9px; display: block; margin: 11px 0 31px; border-radius: 50%; border: 2px solid var(--paper); background: #999a94; box-shadow: 0 0 0 1px #999a94; }
.test-archive .current .timeline-dot { background: var(--amber); box-shadow: 0 0 0 1px var(--amber), 0 0 16px rgba(255,155,61,.5); }
.test-archive time { position: absolute; top: 0; right: 36px; color: #777d79; font-size: 9px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.test-archive article > div > p:first-child { margin: 0 0 12px; color: #8a5b2d; font-size: 9px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.test-archive h3 { margin: 0 0 12px; font-size: 21px; }
.test-archive article > div > p:not(:first-child) { min-height: 80px; color: #5f6663; font-size: 13px; line-height: 1.6; }
.test-archive a { color: var(--ink); font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; border-bottom: 1px solid var(--ink); }
.secondary-video { margin-top: 75px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.secondary-video summary { cursor: pointer; list-style: none; padding: 28px 0; display: flex; align-items: center; justify-content: space-between; text-transform: uppercase; font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.secondary-video summary::-webkit-details-marker { display: none; }
.secondary-video summary b { font-size: 24px; font-weight: 300; transition: transform .2s ease; }
.secondary-video[open] summary b { transform: rotate(45deg); }
.secondary-video > div { display: grid; grid-template-columns: minmax(260px, 380px) 1fr; gap: 50px; align-items: center; padding: 10px 0 45px; }
.secondary-video video { width: 100%; max-height: 560px; background: #02060d; }
.secondary-video p { max-width: 580px; color: #5f6663; line-height: 1.75; }

.specs { padding: 140px max(56px, calc((100vw - 1320px)/2)); display: grid; grid-template-columns: .8fr 1.2fr; gap: 110px; }
.spec-list { border-top: 1px solid rgba(255,255,255,.18); }
.spec-list details { border-bottom: 1px solid rgba(255,255,255,.18); }
.spec-list summary { cursor: pointer; list-style: none; padding: 25px 0; display: flex; justify-content: space-between; align-items: center; }
.spec-list summary::-webkit-details-marker { display: none; }
.spec-list summary span { font-size: 15px; font-weight: 700; }
.spec-list summary b { display: inline-block; width: 45px; color: var(--amber-bright); font-family: var(--serif); font-weight: 400; }
.spec-list summary i { font-style: normal; color: rgba(255,255,255,.5); font-size: 24px; font-weight: 300; transition: transform .2s ease; }
.spec-list details[open] summary i { transform: rotate(45deg); }
.spec-body { padding: 0 45px 28px; color: rgba(255,255,255,.58); font-size: 14px; line-height: 1.7; }
.spec-body p { margin-top: 0; }
.spec-body ul { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 22px; padding: 0; list-style: none; }
.spec-body li::before { content: "—"; margin-right: 8px; color: var(--amber); }

.about { display: grid; grid-template-columns: minmax(300px, .78fr) 1.22fr; gap: clamp(65px, 10vw, 150px); align-items: center; }
.about-portrait { position: relative; max-width: 490px; }
.about-portrait::before { content: ""; position: absolute; inset: 22px -22px -22px 22px; z-index: -1; border: 1px solid rgba(7,17,31,.2); }
.about-portrait img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center 25%; filter: saturate(.76) contrast(1.04); }
.about-portrait > span { position: absolute; left: -18px; bottom: 30px; padding: 12px 16px; background: var(--amber); font-size: 9px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.about-copy .lead { margin-top: 38px; }
.founder-note { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--line); }
.founder-note span, .founder-note small { display: block; }
.founder-note span { font-family: var(--serif); font-size: 24px; }
.founder-note small { margin-top: 3px; color: #777d79; font-size: 9px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }

.partners { position: relative; overflow: hidden; padding: 140px 56px; background: #10223a; color: var(--white); }
.partners::after { content: ""; position: absolute; width: 520px; height: 520px; right: -170px; top: -170px; border: 1px solid rgba(255,155,61,.2); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255,155,61,.025), 0 0 0 140px rgba(255,155,61,.02); }
.partners-grid { position: absolute; inset: 0; opacity: .08; background-image: linear-gradient(rgba(255,255,255,.25) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.25) 1px, transparent 1px); background-size: 64px 64px; }
.partners-inner { position: relative; z-index: 1; max-width: 1080px; margin: auto; text-align: center; }
.partners-inner > p:not(.kicker) { max-width: 760px; margin: 32px auto; color: rgba(255,255,255,.64); line-height: 1.75; }
.partner-types { max-width: 920px; margin: 42px auto; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.15); border-bottom: 1px solid rgba(255,255,255,.15); }
.partner-types span { padding: 24px 18px; color: var(--amber-bright); font-family: var(--serif); border-left: 1px solid rgba(255,255,255,.15); }
.partner-types span:first-child { border: 0; }
.partner-types b { display: block; margin-top: 6px; color: rgba(255,255,255,.72); font-family: var(--sans); font-size: 10px; letter-spacing: .11em; text-transform: uppercase; }

.site-footer { padding: 66px max(56px, calc((100vw - 1320px)/2)) 28px; color: rgba(255,255,255,.7); background: #050b14; }
.footer-main { display: grid; grid-template-columns: 1fr 1fr auto; gap: 40px; align-items: center; padding-bottom: 55px; }
.brand-footer { color: var(--white); }
.footer-main > p { color: rgba(255,255,255,.42); font-family: var(--serif); font-size: 19px; }
.footer-main nav { display: flex; gap: 26px; font-size: 9px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.footer-main nav a:hover { color: var(--amber-bright); }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.3); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }

@keyframes rise { from { opacity: 0; transform: translateY(25px); } to { opacity: 1; transform: none; } }
@keyframes settle { from { opacity: .3; transform: scale(1.06); } to { opacity: 1; transform: scale(1.015); } }
@keyframes pulse { 0%,100% { opacity: .3; transform: scaleY(.7); transform-origin: top; } 50% { opacity: 1; transform: scaleY(1); } }

@media (max-width: 1100px) {
  .desktop-nav { display: none; }
  .mobile-nav { display: block; }
  .hero-content { width: min(100% - 64px, 920px); }
  .hero-proof { right: 32px; }
  .scroll-cue { left: 32px; }
  .section { width: min(100% - 64px, 980px); }
  .system, .specs { padding-left: 32px; padding-right: 32px; }
  .stage-grid { grid-template-columns: 1fr 1fr; }
  .stage-card { min-height: 570px; }
  .specs { grid-template-columns: 1fr; gap: 65px; }
  .footer-main { grid-template-columns: 1fr auto; }
  .footer-main > p { grid-column: 1 / -1; grid-row: 2; margin: 0; }
}

@media (max-width: 760px) {
  .site-header { height: 68px; }
  .header-inner { width: calc(100% - 36px); }
  .mobile-nav nav { top: 68px; }
  .brand { gap: 9px; font-size: 12px; }
  .brand-mark { width: 24px; height: 28px; }
  .hero { min-height: 760px; height: 100svh; align-items: start; }
  .hero-image { background-position: 62% center; }
  .hero-scrim { background: linear-gradient(90deg, rgba(4,12,24,.94), rgba(4,12,24,.58)), linear-gradient(0deg, rgba(4,12,24,.94), transparent 65%); }
  .hero-content { width: calc(100% - 44px); margin: 142px auto 0; }
  .hero h1 { font-size: clamp(53px, 16vw, 78px); }
  .hero-lede { font-size: 16px; line-height: 1.6; }
  .hero-actions { display: grid; }
  .hero-proof { left: 22px; right: 22px; bottom: 24px; justify-content: space-between; }
  .hero-proof div { min-width: 0; flex: 1; padding: 0 13px; }
  .hero-proof div:first-child { padding-left: 0; }
  .hero-proof strong { font-size: 21px; }
  .hero-proof span { font-size: 7px; }
  .scroll-cue { display: none; }
  .signal-track { justify-content: flex-start; overflow: hidden; }
  .signal-track span:nth-of-type(n+4), .signal-track i:nth-of-type(n+4) { display: none; }
  .section { width: calc(100% - 44px); padding: 100px 0; }
  .mission, .section-intro, .field-heading, .about { grid-template-columns: 1fr; gap: 45px; }
  .section-number { top: 52px; }
  .mission-copy { padding-top: 0; }
  .mission h2, .section-intro h2, .field-heading h2, .specs-heading h2, .about h2, .partners h2 { font-size: 48px; }
  .system { padding: 100px 22px; }
  .section-intro { gap: 40px; }
  .stage-grid { grid-template-columns: 1fr; margin-top: 52px; }
  .stage-card { min-height: 540px; }
  .featured-test { grid-template-columns: 1fr; min-height: 0; }
  .video-frame { min-height: 540px; }
  .test-copy { padding: 36px 24px 46px; }
  .test-copy h3 { font-size: 38px; }
  .test-results div { padding: 0 10px; }
  .test-results span { font-size: 7px; }
  .check-list { grid-template-columns: 1fr; }
  .test-archive { grid-template-columns: 1fr; margin-top: 65px; }
  .archive-line { top: 0; bottom: 0; left: 4px; right: auto; width: 1px; height: auto; }
  .test-archive article { display: grid; grid-template-columns: 34px 1fr; padding: 0 0 45px; }
  .timeline-dot { margin: 7px 0 0; }
  .test-archive time { top: 4px; right: 0; }
  .test-archive article > div > p:not(:first-child) { min-height: 0; }
  .secondary-video > div { grid-template-columns: 1fr; }
  .specs { padding: 100px 22px; gap: 50px; }
  .spec-body { padding-left: 0; padding-right: 0; }
  .spec-body ul { grid-template-columns: 1fr; }
  .about { gap: 70px; }
  .about-portrait { width: calc(100% - 18px); }
  .partners { padding: 100px 22px; }
  .partner-types { grid-template-columns: 1fr; }
  .partner-types span { border-left: 0; border-top: 1px solid rgba(255,255,255,.15); }
  .partner-types span:first-child { border-top: 0; }
  .site-footer { padding: 55px 22px 24px; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-main > p { grid-column: auto; grid-row: auto; }
  .footer-main nav { flex-wrap: wrap; }
  .footer-bottom { gap: 16px; flex-direction: column; }
}

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