:root {
  color-scheme: dark;
  --black: #070809;
  --panel: #111315;
  --raised: #1d2022;
  --line: #303437;
  --muted: #969c9a;
  --paper: #eeefe9;
  --ink: #111411;
  --lcd: #b8c9a8;
  --lcd-deep: #708263;
  --rec: #f5221f;
  --acid: #d5ee53;
  --shell: min(1180px, calc(100vw - 40px));
  --mono: "SFMono-Regular", "Roboto Mono", "Courier New", monospace;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--black); color: var(--paper); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
::selection { background: var(--rec); color: white; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 100; padding: 10px 14px; background: white; color: black; transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.section-shell { width: var(--shell); margin-inline: auto; }

.site-header { width: min(1260px, calc(100vw - 32px)); height: 76px; margin: 0 auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 11px; width: max-content; font: 800 13px/1 var(--mono); letter-spacing: .08em; }
.brand img { border-radius: 9px; }
.site-header nav { display: flex; align-items: center; gap: 34px; }
.site-header nav a { color: #b9bdba; font-size: 13px; transition: color .2s ease; }
.site-header nav a:hover, .site-header nav a:focus-visible, .site-header nav a.active { color: white; }
.header-cta { justify-self: end; padding: 11px 15px; border: 1px solid #555a5d; border-radius: 2px; font: 700 10px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; transition: background .2s, color .2s; }
.header-cta:hover, .header-cta:focus-visible { background: var(--paper); color: var(--black); }

.hero { min-height: 740px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 6vw; padding-block: 84px 96px; }
.eyebrow { margin: 0 0 22px; color: var(--lcd); font: 800 11px/1.3 var(--mono); letter-spacing: .14em; }
.rec-dot { display: inline-block; width: 8px; height: 8px; margin-right: 7px; border-radius: 50%; background: var(--rec); box-shadow: 0 0 0 4px rgba(245,34,31,.12); }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { max-width: 700px; margin-bottom: 30px; font-size: clamp(54px, 7.1vw, 96px); line-height: .91; letter-spacing: -.065em; font-weight: 760; }
.hero h1 em { color: var(--lcd); font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
.hero-intro { max-width: 610px; margin-bottom: 34px; color: #b5bab6; font-size: 18px; line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 24px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; min-width: 206px; padding: 16px 18px; border: 1px solid transparent; font: 750 12px/1 var(--mono); letter-spacing: .02em; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--rec); color: white; }
.launch-note { color: #7f8582; font: 700 10px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .08em; }

.hero-product { justify-self: end; width: min(430px, 100%); padding: 14px; border: 1px solid var(--line); background: #0b0c0d; box-shadow: 0 28px 80px rgba(0,0,0,.45); transform: rotate(1.2deg); }
.product-label, .serial { display: flex; justify-content: space-between; color: #727875; font: 700 8px/1 var(--mono); letter-spacing: .09em; }
.product-label { padding: 2px 2px 12px; }
.serial { display: block; padding: 12px 2px 0; text-align: center; }
.phone-shell { position: relative; max-width: 330px; margin: auto; padding: 30px 12px 18px; border: 2px solid #42474a; border-radius: 34px; background: #17191b; box-shadow: inset 0 0 0 4px #08090a, inset 0 -8px 18px rgba(0,0,0,.4); }
.phone-speaker { position: absolute; top: 13px; left: 50%; width: 52px; height: 4px; border-radius: 9px; background: #383c3e; transform: translateX(-50%); }
.viewfinder { position: relative; aspect-ratio: 9/13; overflow: hidden; border: 1px solid #4b5550; background: #8aa184; color: #f2f6e9; font: 800 9px/1 var(--mono); text-shadow: 0 1px 2px rgba(0,0,0,.8); }
.viewfinder-scene { position: absolute; inset: 0; overflow: hidden; background: #9aa98f; filter: sepia(.22) contrast(1.14) saturate(.74); }
.sun { position: absolute; top: 14%; right: 18%; width: 44px; aspect-ratio: 1; border-radius: 50%; background: #d8d5a8; filter: blur(1px); }
.ridge { position: absolute; left: -10%; width: 120%; height: 45%; background: #687b68; clip-path: polygon(0 78%,18% 46%,36% 68%,53% 26%,72% 61%,88% 38%,100% 70%,100% 100%,0 100%); }
.ridge-back { top: 28%; opacity: .68; }
.ridge-front { top: 42%; background: #3f5248; transform: scaleX(-1); }
.road { position: absolute; bottom: -3%; left: 27%; width: 38%; height: 46%; background: #62645b; clip-path: polygon(45% 0,55% 0,100% 100%,0 100%); }
.viewfinder-noise, .viewfinder-noise::after { position: absolute; inset: 0; z-index: 2; pointer-events: none; }
.viewfinder-noise { opacity: .28; background-image: repeating-linear-gradient(0deg, transparent 0 2px, rgba(20,30,20,.25) 3px); mix-blend-mode: multiply; }
.viewfinder-noise::after { content: ""; background: radial-gradient(circle at center, transparent 35%, rgba(0,0,0,.38) 100%); }
.finder-top, .finder-bottom { position: absolute; z-index: 3; left: 12px; right: 12px; display: flex; justify-content: space-between; }
.finder-top { top: 12px; }.finder-bottom { bottom: 12px; }
.finder-top i, .machine-overlay i { display: inline-block; width: 7px; height: 7px; margin-right: 4px; border-radius: 50%; background: var(--rec); }
.focus-frame { position: absolute; z-index: 3; top: 43%; left: 50%; width: 56px; height: 40px; border: 1px solid rgba(255,255,255,.65); transform: translate(-50%,-50%); }
.camera-strip { display: flex; align-items: center; gap: 9px; padding: 13px 24px 10px; color: var(--lcd); font: 800 9px/1 var(--mono); }
.zoom-line { flex: 1; position: relative; height: 3px; background: #4a4f4d; }
.zoom-line i { position: absolute; left: 37%; top: -4px; width: 5px; height: 11px; background: var(--lcd); }
.record-deck { display: flex; align-items: center; justify-content: space-around; padding: 5px 28px; }
.deck-button { display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid #4b5052; border-radius: 50%; color: #a9adab; }
.record-button { display: grid; place-items: center; width: 66px; height: 66px; border: 3px solid #3d4244; border-radius: 50%; background: #050606; box-shadow: 0 3px 8px rgba(0,0,0,.65); }
.record-button i { width: 47px; height: 47px; border-radius: 50%; background: var(--rec); box-shadow: inset 0 2px 0 rgba(255,255,255,.15); }

.ticker { overflow: hidden; border-block: 1px solid var(--line); background: var(--lcd); color: var(--ink); }
.ticker div { width: max-content; min-width: 100%; display: flex; justify-content: space-around; align-items: center; gap: 28px; padding: 14px 24px; font: 850 10px/1 var(--mono); letter-spacing: .08em; white-space: nowrap; }
.ticker i { width: 4px; height: 4px; border-radius: 50%; background: var(--ink); opacity: .45; }

.camera-lab { padding-block: 150px; }
.section-heading { display: grid; grid-template-columns: 1.3fr .7fr; align-items: end; gap: 80px; margin-bottom: 70px; }
.section-heading h2, .principles h2, .privacy-callout h2, .early-access h2 { margin-bottom: 0; font-size: clamp(44px, 5.6vw, 76px); line-height: .98; letter-spacing: -.055em; }
.section-heading > p { max-width: 430px; margin-bottom: 3px; color: #9da29f; font-size: 16px; line-height: 1.65; }
.machine-stage { display: grid; grid-template-columns: 1.15fr .85fr; min-height: 590px; border: 1px solid var(--line); }
.machine-visual { display: grid; align-content: center; padding: clamp(28px, 5vw, 72px); background: #131517; border-right: 1px solid var(--line); transition: background .3s ease; }
.machine-visual[data-machine-visual="ccd"] { background: #121821; }
.machine-visual[data-machine-visual="vhs"] { background: #1a1117; }
.machine-screen { position: relative; aspect-ratio: 4/3; overflow: hidden; border: 10px solid #292d2f; outline: 2px solid #464c4f; background: #8f9b85; box-shadow: 0 22px 50px rgba(0,0,0,.38); }
.screen-scene { position: absolute; inset: 0; overflow: hidden; background: #bbb89a; filter: sepia(.42) saturate(.88) contrast(1.1); transition: filter .3s ease, background .3s ease; }
[data-machine-visual="ccd"] .screen-scene { background: #8daabc; filter: contrast(1.14) saturate(.8) hue-rotate(3deg); }
[data-machine-visual="vhs"] .screen-scene { background: #b08a96; filter: contrast(1.3) saturate(.8) hue-rotate(318deg); }
.screen-light { position: absolute; left: 12%; top: 11%; width: 22%; aspect-ratio: 1; border-radius: 50%; background: rgba(255,246,193,.8); filter: blur(10px); }
.screen-horizon { position: absolute; inset: 45% -10% -20%; background: #536253; clip-path: polygon(0 38%,18% 13%,32% 37%,52% 0,70% 31%,86% 12%,100% 30%,100% 100%,0 100%); }
.screen-subject { position: absolute; z-index: 1; bottom: -10%; left: 48%; width: 17%; height: 53%; border-radius: 50% 50% 5% 5%; background: #232923; filter: blur(1px); }
.machine-screen::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(0,0,0,.16) 4px), radial-gradient(circle at center, transparent 35%, rgba(0,0,0,.42)); mix-blend-mode: multiply; opacity: .6; }
[data-machine-visual="vhs"] .machine-screen::after { background: repeating-linear-gradient(0deg, transparent 0 2px, rgba(0,0,0,.32) 3px), linear-gradient(90deg, rgba(255,0,40,.08), transparent 48%, rgba(0,190,255,.1)); opacity: .78; }
.machine-overlay { position: absolute; z-index: 2; inset: 16px; display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto 1fr auto; color: white; font: 800 clamp(8px,1vw,12px)/1 var(--mono); text-shadow: 0 1px 4px black; }
.machine-overlay > :nth-child(2) { justify-self: end; }.machine-overlay > :nth-child(3) { align-self: end; }.machine-overlay > :nth-child(4) { align-self: end; justify-self: end; }
.screen-caption { display: flex; justify-content: space-between; padding-top: 19px; font: 800 11px/1 var(--mono); letter-spacing: .07em; }
.screen-caption span:last-child { color: var(--muted); }
.machine-controls { display: flex; flex-direction: column; }
.machine-tab { flex: 1; display: grid; grid-template-columns: 40px 1fr auto; align-items: center; gap: 18px; padding: 28px 32px; border: 0; border-bottom: 1px solid var(--line); background: transparent; color: #a4aaa6; text-align: left; cursor: pointer; transition: background .2s, color .2s; }
.machine-tab:last-child { border-bottom: 0; }
.machine-tab:hover, .machine-tab:focus-visible { background: #171a1c; color: white; }
.machine-tab.is-active { background: var(--paper); color: var(--ink); }
.tab-index { color: #747a77; font: 800 10px/1 var(--mono); }
.machine-tab strong { display: block; margin-bottom: 10px; font: 760 25px/1 var(--sans); letter-spacing: -.03em; }
.machine-tab small { display: block; color: inherit; font-size: 13px; opacity: .65; }
.tab-arrow { font-size: 22px; }.pro-tag { padding: 6px 8px; background: var(--rec); color: white; font: 800 9px/1 var(--mono); }

.principles { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; padding-block: 135px; border-top: 1px solid var(--line); }
.principle-grid { border-top: 1px solid var(--line); }
.principle-grid article { display: grid; grid-template-columns: 50px 190px 1fr; gap: 22px; padding: 32px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.principle-number { color: var(--lcd); font: 800 10px/1 var(--mono); }
.principle-grid h3 { margin: 0; font-size: 20px; letter-spacing: -.02em; }
.principle-grid p { margin: 0; color: #939996; font-size: 14px; line-height: 1.65; }

.privacy-callout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 80px; align-items: center; padding: 90px; background: var(--lcd); color: var(--ink); }
.privacy-callout .eyebrow { color: #4d5c45; }
.privacy-callout h2 { margin-bottom: 28px; }
.privacy-callout p:not(.eyebrow) { max-width: 600px; margin-bottom: 28px; font-size: 16px; line-height: 1.7; }
.privacy-mark { justify-self: center; padding: 24px 20px; border: 3px solid var(--ink); transform: rotate(-5deg); font: 900 46px/.8 var(--mono); letter-spacing: -.08em; opacity: .78; }
.text-link { display: inline-block; padding-bottom: 5px; border-bottom: 1px solid currentColor; font: 800 11px/1 var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.text-link span { margin-left: 12px; }

.early-access { display: flex; min-height: 620px; flex-direction: column; align-items: center; justify-content: center; padding-block: 120px; text-align: center; }
.early-access img { margin-bottom: 34px; border-radius: 28px; box-shadow: 0 18px 50px rgba(0,0,0,.45); }
.early-access h2 { max-width: 750px; margin-bottom: 24px; }
.early-access > p:not(.eyebrow) { color: #949a97; font-size: 17px; }
.status-pill { margin-top: 22px; padding: 11px 14px; border: 1px solid var(--line); color: #b9bdbb; font: 800 9px/1 var(--mono); letter-spacing: .1em; }
.status-pill span { display: inline-block; width: 6px; height: 6px; margin-right: 7px; border-radius: 50%; background: var(--lcd); box-shadow: 0 0 12px var(--lcd); }

.site-footer { min-height: 120px; display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; border-top: 1px solid var(--line); color: #797f7c; font-size: 12px; }
.footer-brand { color: var(--paper); font: 850 12px/1 var(--mono); letter-spacing: .06em; }
.footer-brand > span { margin-left: 8px; color: #6e7471; }
.site-footer p { margin: 0; text-align: center; }
.footer-links { justify-self: end; display: flex; gap: 24px; }
.footer-links a:hover { color: white; }

/* Privacy policy */
.legal-shell { width: min(1100px, calc(100vw - 40px)); margin: 0 auto; display: grid; grid-template-columns: 90px 1fr; padding-block: 96px 140px; }
.legal-rail { display: flex; flex-direction: column; justify-content: space-between; align-items: start; padding-block: 6px 18px; color: #565c59; font: 800 8px/1 var(--mono); letter-spacing: .12em; writing-mode: vertical-rl; transform: rotate(180deg); }
.legal-document { max-width: 830px; }
.legal-heading { padding-bottom: 74px; border-bottom: 1px solid var(--line); }
.privacy-led { display: inline-block; width: 9px; height: 9px; margin-right: 7px; border: 2px solid var(--lcd); }
.legal-heading h1 { margin-bottom: 42px; font-size: clamp(70px, 11vw, 138px); line-height: .78; letter-spacing: -.075em; }
.legal-meta { display: flex; justify-content: space-between; margin-bottom: 34px; color: #777d7a; font: 800 9px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.legal-summary { max-width: 690px; margin-bottom: 0; color: #bcc1bd; font-size: 21px; line-height: 1.58; }
.legal-document > section { display: grid; grid-template-columns: 70px 1fr; gap: 24px; padding: 54px 0; border-bottom: 1px solid var(--line); }
.legal-number { padding-top: 6px; color: var(--lcd); font: 800 10px/1 var(--mono); }
.legal-document h2 { margin-bottom: 22px; font-size: 28px; letter-spacing: -.035em; }
.legal-document section p, .legal-document li { color: #a4aaa6; font-size: 15px; line-height: 1.8; }
.legal-document section p:last-child { margin-bottom: 0; }
.legal-document ul { margin: 0 0 20px; padding-left: 20px; }
.legal-document li { margin-bottom: 8px; padding-left: 8px; }
.legal-document strong { color: #e5e7e2; }
.legal-callout { margin-top: 32px; padding: 24px; border-left: 3px solid var(--lcd); background: #111412; }
.legal-callout span { display: block; margin-bottom: 10px; color: var(--lcd); font: 800 9px/1 var(--mono); letter-spacing: .12em; }
.legal-callout strong { font-size: 17px; line-height: 1.5; }

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 76px; }
  .hero-product { justify-self: center; width: min(430px, 94vw); margin-top: 35px; }
  .section-heading { grid-template-columns: 1fr; gap: 28px; }
  .machine-stage { grid-template-columns: 1fr; }
  .machine-visual { border-right: 0; border-bottom: 1px solid var(--line); }
  .machine-tab { min-height: 130px; }
  .principles { grid-template-columns: 1fr; gap: 62px; }
  .principle-grid article { grid-template-columns: 42px 1fr; }
  .principle-grid p { grid-column: 2; }
  .privacy-callout { grid-template-columns: 1fr; padding: 68px 42px; }
  .privacy-mark { display: none; }
}

@media (max-width: 600px) {
  :root { --shell: calc(100vw - 30px); }
  .site-header { width: calc(100vw - 30px); height: 66px; }
  .header-cta { display: none; }
  .hero { min-height: auto; padding-block: 64px 74px; }
  .hero h1 { font-size: clamp(52px, 17vw, 74px); }
  .hero-intro { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-product { transform: none; }
  .ticker div { justify-content: flex-start; }
  .camera-lab { padding-block: 104px; }
  .machine-visual { padding: 24px; }
  .machine-screen { border-width: 6px; }
  .machine-tab { grid-template-columns: 28px 1fr auto; gap: 10px; padding: 22px 18px; }
  .machine-tab strong { font-size: 21px; }
  .machine-tab small { font-size: 11px; }
  .principles { padding-block: 100px; }
  .principle-grid article { grid-template-columns: 34px 1fr; gap: 12px; }
  .privacy-callout { width: 100%; padding: 78px 24px; }
  .early-access { min-height: 560px; }
  .early-access img { width: 100px; height: 100px; }
  .site-footer { grid-template-columns: 1fr auto; gap: 18px; padding-block: 28px; }
  .site-footer p { display: none; }
  .footer-links { gap: 14px; }
  .legal-shell { width: calc(100vw - 30px); grid-template-columns: 1fr; padding-block: 68px 100px; }
  .legal-rail { display: none; }
  .legal-heading { padding-bottom: 54px; }
  .legal-heading h1 { font-size: 21vw; }
  .legal-meta { align-items: flex-start; flex-direction: column; gap: 9px; }
  .legal-summary { font-size: 18px; }
  .legal-document > section { grid-template-columns: 34px 1fr; gap: 10px; padding: 42px 0; }
  .legal-document h2 { font-size: 24px; }
}

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

/* Bilingual support and privacy documents. */
html[lang="zh-Hans"] .legal-heading h1 { line-height: 1.15; letter-spacing: -.025em; font-size: clamp(48px, 8vw, 96px); }
.contact-email { color: var(--lcd); text-decoration: underline; overflow-wrap: anywhere; }
.legal-document section a { text-decoration: underline; text-underline-offset: 3px; }
