:root {
  --ground: #050706;
  --surface: #0a0d0c;
  --surface-2: #0e1211;
  --text: #f2f5f3;
  --dim: #9ca5a1;
  --minor: #626b67;
  --grid: rgba(255,255,255,.08);
  --rule: rgba(255,255,255,.16);
  --accent: #4fe5d3;
  --accent-soft: rgba(79,229,211,.12);
  --sans: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ground); color: var(--text); font: 400 16px/1.65 var(--sans); }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 20; opacity: .025; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E"); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.section-shell { width: min(1240px, calc(100% - 64px)); margin-inline: auto; }

.site-header { width: min(1380px, calc(100% - 48px)); height: 82px; margin: 0 auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; position: relative; z-index: 5; border-bottom: 1px solid var(--grid); }
.brand { display: flex; align-items: center; gap: 12px; font: 600 13px/1 var(--sans); letter-spacing: .22em; }
.brand-mark { display: inline-block; width: 18px; height: 18px; border: 1px solid var(--text); border-radius: 50%; position: relative; }
.brand-mark::before, .brand-mark::after { content: ""; position: absolute; background: var(--accent); }
.brand-mark::before { width: 4px; height: 4px; border-radius: 50%; left: 6px; top: 6px; }
.brand-mark::after { width: 24px; height: 1px; left: -4px; top: 8px; transform: rotate(-42deg); }
.site-nav { display: flex; gap: 32px; font: 500 11px/1 var(--mono); letter-spacing: .08em; color: var(--dim); text-transform: uppercase; }
.site-nav a, .footer-links a { transition: color .2s ease; }
.site-nav a:hover, .footer-links a:hover { color: var(--accent); }
.nav-cta { justify-self: end; border: 1px solid var(--rule); padding: 11px 16px; font: 500 10px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; transition: background .2s, border-color .2s; }
.nav-cta:hover { border-color: var(--accent); background: var(--accent-soft); }

.hero { min-height: 820px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 48px; padding: 70px 0 100px; }
.eyebrow, .kicker, .section-index { font: 500 11px/1.3 var(--mono); letter-spacing: .13em; text-transform: uppercase; }
.eyebrow { color: var(--dim); display: flex; align-items: center; gap: 10px; }
.signal-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 18px var(--accent); }
.hero h1 { max-width: 760px; margin: 27px 0; font-size: clamp(52px, 6vw, 88px); font-weight: 300; line-height: .99; letter-spacing: -.055em; }
.hero h1 em { color: var(--accent); font-style: normal; }
.hero-lead { max-width: 650px; margin: 0; color: var(--dim); font-size: 18px; line-height: 1.75; }
.hero-actions { display: flex; gap: 12px; margin: 38px 0 54px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 48px; padding: 0 21px; border: 1px solid var(--rule); font: 500 11px/1 var(--mono); letter-spacing: .07em; text-transform: uppercase; transition: .2s ease; }
.button.primary { color: #05100e; background: var(--accent); border-color: var(--accent); }
.button.primary:hover { background: #79f5e6; border-color: #79f5e6; transform: translateY(-2px); }
.button.secondary:hover { color: var(--accent); border-color: var(--accent); }
.hero-stats { margin: 0; display: flex; gap: 0; }
.hero-stats div { min-width: 140px; padding-right: 28px; margin-right: 28px; border-right: 1px solid var(--rule); }
.hero-stats div:last-child { border-right: 0; }
.hero-stats dt { margin-bottom: 5px; font: 400 22px/1 var(--mono); color: var(--text); }
.hero-stats dd { margin: 0; font: 400 10px/1.4 var(--mono); color: var(--minor); text-transform: uppercase; letter-spacing: .08em; }
.hero-visual { position: relative; min-height: 680px; display: grid; place-items: center; }
.device-frame { width: min(310px, 64%); margin: 0; position: relative; z-index: 2; border: 1px solid rgba(255,255,255,.22); background: #000; padding: 6px; box-shadow: 0 36px 100px rgba(0,0,0,.6), 0 0 80px rgba(79,229,211,.07); transform: rotate(2deg); overflow: hidden; }
.device-frame img { width: 100%; height: auto; }
.orbit { position: absolute; border: 1px solid var(--grid); border-radius: 50%; }
.orbit-one { width: 560px; height: 560px; }
.orbit-two { width: 420px; height: 420px; border-color: rgba(79,229,211,.16); }
.coordinate-tag { position: absolute; z-index: 3; padding: 10px 12px; background: rgba(5,7,6,.88); border: 1px solid var(--rule); color: var(--text); font: 400 9px/1.4 var(--mono); letter-spacing: .06em; backdrop-filter: blur(8px); }
.coordinate-tag span { color: var(--accent); margin-right: 8px; }
.tag-top { top: 135px; right: 0; }
.tag-bottom { bottom: 130px; left: 0; }

.manifesto, .synthesis, .terrain-section, .sheets-section, .compose-section, .auv3-section, .availability { padding: 140px 0; border-top: 1px solid var(--grid); }
.section-index { color: var(--accent); margin-bottom: 54px; }
.manifesto-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 100px; }
.manifesto h2, .section-heading h2, .terrain-copy h2, .compose-copy h2, .auv3-card h2, .final-cta h2 { margin: 0; font-size: clamp(42px, 5vw, 70px); font-weight: 300; line-height: 1.08; letter-spacing: -.045em; }
.manifesto h2 span { color: var(--accent); }
.body-copy p, .section-heading > p:last-child, .terrain-copy > p, .compose-copy > p, .auv3-copy > p { color: var(--dim); font-size: 17px; line-height: 1.8; margin: 0 0 20px; }
.feature-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 90px; background: var(--grid); border: 1px solid var(--grid); }
.feature-strip article { background: var(--ground); padding: 34px; }
.feature-strip span, .flow-number { color: var(--accent); font: 400 10px/1 var(--mono); }
.feature-strip h3 { margin: 48px 0 10px; font-size: 16px; font-weight: 500; }
.feature-strip p, .signal-flow p { color: var(--dim); font-size: 13px; line-height: 1.65; margin: 0; }

.image-break { padding-bottom: 140px; }
.wide-product-shot { position: relative; width: min(720px, 100%); aspect-ratio: 3 / 4; margin: 0 auto; overflow: hidden; border: 1px solid var(--grid); background: #000; }
.wide-product-shot img { width: 100%; height: 100%; object-fit: contain; opacity: .92; }
.wide-product-shot::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 120px rgba(0,0,0,.75); pointer-events: none; }
.wide-product-shot figcaption { position: absolute; z-index: 2; inset: auto 28px 24px; display: flex; justify-content: space-between; font: 400 10px/1 var(--mono); letter-spacing: .1em; color: var(--dim); text-transform: uppercase; }
.wide-product-shot figcaption span:first-child { color: var(--accent); }

.section-heading { max-width: 900px; margin-bottom: 90px; }
.section-heading.compact { max-width: 760px; }
.kicker { color: var(--minor); margin: 0 0 22px; }
.section-heading > p:last-child { max-width: 700px; margin-top: 28px; }
.signal-flow { display: grid; grid-template-columns: 1fr 40px 1fr 40px 1fr; align-items: stretch; }
.signal-flow article { min-height: 370px; padding: 28px; border: 1px solid var(--grid); }
.signal-flow h3 { margin: 38px 0 12px; font-size: 17px; font-weight: 500; }
.flow-arrow { display: grid; place-items: center; color: var(--minor); font: 300 25px/1 var(--mono); }
.flow-icon { width: 115px; height: 80px; margin-top: 58px; position: relative; color: var(--accent); }
.corners-icon { border: 1px solid var(--rule); }
.corners-icon i { position: absolute; width: 7px; height: 7px; background: currentColor; border-radius: 50%; transform: translate(-50%,-50%); box-shadow: 0 0 14px currentColor; }
.corners-icon i:nth-child(1){left:0;top:0}.corners-icon i:nth-child(2){left:100%;top:0}.corners-icon i:nth-child(3){left:0;top:100%}.corners-icon i:nth-child(4){left:100%;top:100%}
.blend-icon { border: 1px solid var(--rule); background: linear-gradient(135deg, transparent 0 49.5%, var(--grid) 50% 50.5%, transparent 51%), linear-gradient(45deg, transparent 0 49.5%, var(--grid) 50% 50.5%, transparent 51%); }
.blend-icon i { position: absolute; width: 14px; height: 14px; left: 60%; top: 42%; border: 2px solid var(--accent); box-shadow: 0 0 20px var(--accent); }
.spectrum-icon { display: flex; gap: 8px; align-items: end; border-bottom: 1px solid var(--rule); }
.spectrum-icon i { width: 5px; background: var(--accent); opacity: .7; }
.spectrum-icon i:nth-child(1){height:31%}.spectrum-icon i:nth-child(2){height:82%}.spectrum-icon i:nth-child(3){height:56%}.spectrum-icon i:nth-child(4){height:73%}.spectrum-icon i:nth-child(5){height:39%}.spectrum-icon i:nth-child(6){height:49%}.spectrum-icon i:nth-child(7){height:22%}
.technical-note { margin-top: 40px; display: grid; grid-template-columns: 220px 1fr; gap: 34px; padding: 26px 28px; border-left: 2px solid var(--accent); background: var(--surface); }
.technical-label { color: var(--accent); font: 500 10px/1.5 var(--mono); letter-spacing: .12em; }
.technical-note p { color: var(--dim); margin: 0; font-size: 13px; }

.terrain-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: center; }
.terrain-copy > p { margin-top: 28px; }
.spec-list { margin: 50px 0 0; padding: 0; list-style: none; }
.spec-list li { display: flex; justify-content: space-between; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--grid); font: 400 11px/1.5 var(--mono); }
.spec-list span { color: var(--accent); text-transform: uppercase; }
.spec-list b { color: var(--dim); font-weight: 400; text-align: right; }
.terrain-diagram { color: rgba(255,255,255,.24); }
.terrain-diagram svg { width: 100%; }
.terrain-diagram .peak { color: var(--dim); stroke: currentColor; fill: currentColor; }
.terrain-diagram text { stroke: none; font: 11px var(--mono); letter-spacing: .08em; }
.terrain-diagram .cursor { color: var(--accent); stroke: currentColor; fill: currentColor; filter: drop-shadow(0 0 9px rgba(79,229,211,.4)); }

.sheet-layout { display: grid; grid-template-columns: .65fr 1.35fr; gap: 80px; align-items: center; }
.portrait-shot { width: min(310px, 100%); margin: 0 auto; border: 1px solid var(--rule); padding: 6px; background: #000; transform: rotate(-1deg); overflow: hidden; }
.portrait-shot img { width: 100%; height: auto; }
.sheet-catalogue { border-top: 1px solid var(--rule); }
.catalogue-row { display: grid; grid-template-columns: 70px 1fr 1fr; align-items: baseline; gap: 20px; padding: 17px 0; border-bottom: 1px solid var(--grid); }
.catalogue-row span, .catalogue-row em { color: var(--minor); font: 400 10px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.catalogue-row strong { font-size: 16px; font-weight: 450; letter-spacing: .03em; }
.catalogue-row em { text-align: right; font-style: normal; }

.compose-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: 120px; align-items: center; }
.compose-visual { min-height: 720px; display: grid; place-items: center; position: relative; background: radial-gradient(circle, rgba(79,229,211,.1), transparent 60%); }
.compose-visual figure { width: min(310px, 74%); margin: 0; border: 1px solid var(--rule); padding: 6px; background: #000; transform: rotate(1deg); overflow: hidden; }
.compose-visual figure img { width: 100%; height: auto; }
.compose-copy > p { margin-top: 28px; }
.compose-copy ol { list-style: none; padding: 0; margin: 50px 0 0; }
.compose-copy li { display: grid; grid-template-columns: 40px 1fr; gap: 20px; padding: 20px 0; border-top: 1px solid var(--grid); }
.compose-copy li > span { color: var(--accent); font: 400 10px/1.5 var(--mono); }
.compose-copy li strong { font-size: 14px; font-weight: 500; }
.compose-copy li p { color: var(--dim); margin: 5px 0 0; font-size: 13px; }

.auv3-card { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; padding: 70px; background: var(--surface-2); border: 1px solid var(--grid); position: relative; overflow: hidden; }
.auv3-card::after { content: "AUv3"; position: absolute; right: -18px; bottom: -62px; color: rgba(255,255,255,.025); font: 300 180px/1 var(--sans); letter-spacing: -.08em; pointer-events: none; }
.workflow-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 35px; position: relative; z-index: 1; }
.workflow-tags span { padding: 9px 11px; border: 1px solid var(--rule); color: var(--dim); font: 400 9px/1 var(--mono); text-transform: uppercase; letter-spacing: .06em; }

.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.plan-card { padding: 42px; border: 1px solid var(--rule); background: var(--surface); }
.plan-card.featured { border-color: rgba(79,229,211,.5); background: linear-gradient(145deg, rgba(79,229,211,.08), var(--surface) 55%); }
.plan-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 38px; }
.plan-top span { color: var(--accent); font: 500 11px/1 var(--mono); letter-spacing: .1em; }
.plan-top strong { font-size: 13px; font-weight: 400; }
.plan-card > p { color: var(--dim); max-width: 470px; min-height: 54px; }
.plan-card ul { list-style: none; margin: 30px 0 0; padding: 0; }
.plan-card li { padding: 11px 0 11px 24px; position: relative; border-top: 1px solid var(--grid); color: var(--dim); font-size: 13px; }
.plan-card li::before { content: "+"; position: absolute; left: 2px; color: var(--accent); font-family: var(--mono); }
.requirements { text-align: center; margin: 30px 0 0; color: var(--minor); font: 400 10px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; }

.final-cta { text-align: center; padding: 170px 0; border-top: 1px solid var(--grid); }
.final-cta .eyebrow { justify-content: center; }
.final-cta h2 { margin: 32px 0 45px; font-size: clamp(50px, 7vw, 92px); }
.site-footer { display: grid; grid-template-columns: 1fr auto; gap: 40px; padding: 42px 0 60px; border-top: 1px solid var(--rule); }
.footer-brand { display: grid; grid-template-columns: auto 1fr; align-items: center; column-gap: 12px; }
.footer-brand strong { font-size: 12px; letter-spacing: .18em; }
.footer-brand p { grid-column: 2; margin: 4px 0 0; color: var(--minor); font-size: 11px; }
.footer-links { display: flex; align-items: center; gap: 25px; font: 400 10px/1 var(--mono); color: var(--dim); text-transform: uppercase; letter-spacing: .08em; }
.footer-note { grid-column: 1 / -1; margin: 18px 0 0; color: var(--minor); font: 400 9px/1.7 var(--mono); letter-spacing: .03em; }

/* Compact document pages: privacy and support share the product system. */
body:not(.home) { padding: 0 24px 96px; }
.sheet { max-width: 720px; margin: 0 auto; padding: 0 30px 50px; border-left: 1px solid var(--grid); border-right: 1px solid var(--grid); }
.sheet > header { padding: 65px 0 24px; margin-bottom: 45px; border-bottom: 1px solid var(--rule); }
.code { display: block; margin-bottom: 13px; color: var(--accent); font: 400 10px/1 var(--mono); letter-spacing: .16em; }
.sheet h1 { margin: 0 0 8px; font-size: 38px; font-weight: 300; letter-spacing: .08em; text-transform: uppercase; }
.subtitle { margin: 0; color: var(--dim); font: 400 11px/1.5 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.sheet h2 { margin: 52px 0 17px; padding-bottom: 9px; border-bottom: 1px solid var(--grid); color: var(--dim); font: 500 11px/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.sheet h3 { margin: 30px 0 8px; font-size: 15px; font-weight: 500; }
.sheet p { margin: 0 0 16px; color: var(--dim); }
.sheet .lead { color: var(--text); font-size: 19px; }
.sheet strong { color: var(--text); font-weight: 500; }
.sheet a { color: var(--accent); border-bottom: 1px solid rgba(79,229,211,.32); }
.sheet ul { margin: 0 0 20px; padding: 0; list-style: none; }
.sheet li { padding: 8px 0 8px 22px; position: relative; border-bottom: 1px solid var(--grid); color: var(--dim); }
.sheet li::before { content: ""; position: absolute; left: 2px; top: 19px; width: 8px; height: 1px; background: var(--minor); }
.mono, code { color: var(--text); font-family: var(--mono); font-size: .92em; }
.data { width: 100%; border-collapse: collapse; margin-bottom: 24px; }
.data td { padding: 10px 0; border-bottom: 1px solid var(--grid); vertical-align: top; color: var(--dim); }
.data td:first-child { width: 38%; padding-right: 20px; color: var(--minor); font: 400 10px/1.6 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.note { margin: 25px 0; padding: 4px 0 4px 18px; border-left: 1px solid var(--accent); color: var(--minor); font-size: 14px; }
.sheet nav { margin-top: 65px; padding-top: 20px; border-top: 1px solid var(--rule); font: 400 10px/1 var(--mono); letter-spacing: .11em; text-transform: uppercase; }
.sheet nav a { margin-right: 20px; border: 0; color: var(--dim); }
.sheet nav a[aria-current], .sheet nav a:hover { color: var(--accent); }
.sheet footer { margin-top: 22px; color: var(--minor); font: 400 9px/1.7 var(--mono); letter-spacing: .05em; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-nav { display: none; }
  .hero { grid-template-columns: 1fr .75fr; }
  .hero-stats div { min-width: 120px; }
  .manifesto-grid, .terrain-section, .sheet-layout, .compose-section { gap: 55px; }
  .signal-flow { grid-template-columns: 1fr; gap: 10px; }
  .signal-flow article { min-height: 300px; }
  .flow-arrow { transform: rotate(90deg); height: 30px; }
  .auv3-card { padding: 50px; gap: 50px; }
}

@media (max-width: 720px) {
  .section-shell { width: min(100% - 36px, 620px); }
  .site-header { width: calc(100% - 32px); height: 68px; }
  .nav-cta { padding: 9px 11px; }
  .hero { display: flex; min-height: auto; flex-direction: column; padding: 70px 0 90px; }
  .hero-copy { width: 100%; }
  .hero h1 { font-size: clamp(46px, 13.5vw, 68px); }
  .hero-lead { font-size: 16px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-stats { overflow-x: auto; padding-bottom: 10px; }
  .hero-stats div { min-width: 120px; }
  .hero-visual { width: 100%; min-height: 590px; overflow: hidden; }
  .device-frame { width: min(280px, 70vw); }
  .orbit-one { width: 470px; height: 470px; }
  .orbit-two { width: 360px; height: 360px; }
  .coordinate-tag { display: none; }
  .manifesto, .synthesis, .terrain-section, .sheets-section, .compose-section, .auv3-section, .availability { padding: 95px 0; }
  .section-index { margin-bottom: 38px; }
  .manifesto-grid, .terrain-section, .sheet-layout, .compose-section, .auv3-card { grid-template-columns: 1fr; }
  .manifesto-grid { gap: 38px; }
  .feature-strip { grid-template-columns: 1fr; margin-top: 55px; }
  .feature-strip article { padding: 28px; }
  .feature-strip h3 { margin-top: 24px; }
  .image-break { width: 100%; padding-bottom: 95px; }
  .wide-product-shot { width: min(540px, 100%); height: auto; aspect-ratio: 3 / 4; border-left: 0; border-right: 0; }
  .wide-product-shot figcaption span:last-child { display: none; }
  .section-heading { margin-bottom: 55px; }
  .signal-flow article { min-height: 310px; }
  .technical-note { grid-template-columns: 1fr; gap: 12px; }
  .terrain-section { gap: 45px; }
  .terrain-diagram { order: -1; }
  .sheet-layout { gap: 70px; }
  .portrait-shot { width: min(280px, 70vw); }
  .catalogue-row { grid-template-columns: 50px 1fr; }
  .catalogue-row em { grid-column: 2; text-align: left; }
  .compose-section { gap: 65px; }
  .compose-visual { min-height: 600px; order: 2; }
  .compose-visual figure { width: min(280px, 70vw); }
  .auv3-card { padding: 34px 26px; gap: 35px; }
  .plans { grid-template-columns: 1fr; }
  .plan-card { padding: 30px 24px; }
  .plan-card > p { min-height: auto; }
  .final-cta { padding: 120px 0; }
  .site-footer { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; }
  body:not(.home) { padding: 0 10px 70px; }
  .sheet { padding: 0 15px 40px; border: 0; }
}

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