:root {
  --paper: #f6f6f1;
  --white: #ffffff;
  --ink: #161713;
  --ink-2: #292a25;
  --muted: #63645d;
  --line: #d8d9d0;
  --line-strong: #a4a69b;
  --night: #10120e;
  --night-2: #191c16;
  --blue: #3f51df;
  --blue-dark: #2838b2;
  --blue-soft: #e9ecff;
  --yellow: #f5df58;
  --acid: #d8ff45;
  --phosphor: #c8ff75;
  --orange: #ff9a5c;
  --sans: "Helvetica Neue", Helvetica, Arial, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", "SF Mono", Menlo, Consolas, monospace;
  --max: 1280px;
  --pad: clamp(20px, 4vw, 56px);
  --section: clamp(92px, 10vw, 150px);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; overflow-x: hidden; background: var(--paper); color: var(--ink); font: 400 17px/1.62 var(--sans); -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-underline-offset: 4px; }
button, input, select, textarea { font: inherit; }
button, a { touch-action: manipulation; }
button { color: inherit; }
img { display: block; max-width: 100%; }
::selection { background: var(--blue); color: var(--white); }

.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; }
.skip-link { position: fixed; z-index: 1000; top: -80px; left: 16px; padding: 10px 14px; background: var(--ink); color: white; font-weight: 700; }
.skip-link:focus { top: 16px; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }

.site-header { position: sticky; z-index: 100; top: 0; display: grid; grid-template-columns: auto 1fr auto; align-items: center; min-height: 70px; padding: 0 var(--pad); border-bottom: 1px solid rgba(22, 23, 19, .16); background: color-mix(in srgb, var(--paper) 94%, transparent); backdrop-filter: blur(12px); transition: box-shadow .2s ease-out; }
.site-header.scrolled { box-shadow: 0 12px 30px rgba(20, 20, 15, .07); }
.wordmark { display: inline-flex; align-items: center; gap: 11px; width: max-content; font-weight: 750; letter-spacing: -.025em; text-decoration: none; }
.wordmark-mark { display: grid; width: 31px; height: 29px; place-items: center; background: var(--ink); color: var(--yellow); font: 700 .66rem/1 var(--mono); letter-spacing: -.08em; }
.desktop-nav { display: flex; justify-content: center; gap: clamp(20px, 3vw, 42px); }
.desktop-nav a, .nav-cta { font-size: .77rem; font-weight: 670; text-decoration: none; }
.desktop-nav a { color: var(--muted); }
.desktop-nav a:hover, .desktop-nav a:focus-visible, .nav-cta:hover { color: var(--blue); }
.nav-cta { padding: 9px 0; border-bottom: 1px solid var(--ink); }
.menu-button { display: none; width: 42px; height: 42px; border: 0; background: transparent; }
.menu-button span:not(.sr-only) { display: block; width: 22px; height: 1px; margin: 6px auto; background: var(--ink); }
.mobile-nav { position: absolute; top: 69px; right: 0; left: 0; display: grid; padding: 12px var(--pad) 24px; border-bottom: 1px solid var(--ink); background: var(--paper); }
.mobile-nav a { padding: 13px 0; border-bottom: 1px solid var(--line); font-weight: 650; text-decoration: none; }

.kicker { margin: 0 0 24px; color: var(--blue); font-size: .68rem; font-weight: 780; letter-spacing: .13em; line-height: 1.35; text-transform: uppercase; }
.kicker-light { color: var(--yellow); }
.kicker-accent { color: var(--acid); }
h1, h2, h3 { margin: 0; font-family: var(--sans); font-weight: 680; letter-spacing: -.038em; text-wrap: balance; }
h1 { max-width: 11ch; font-size: clamp(3.7rem, 5.8vw, 5.8rem); line-height: .94; }
h2 { max-width: 14ch; font-size: clamp(2.7rem, 4.8vw, 5rem); line-height: .98; }
h3 { font-size: clamp(1.9rem, 3vw, 3.15rem); line-height: 1.02; }
p { margin-top: 0; }

.button { display: inline-flex; min-height: 49px; align-items: center; justify-content: center; gap: 24px; padding: 0 19px; border: 1px solid transparent; border-radius: 2px; font-size: .79rem; font-weight: 730; text-decoration: none; transition: transform .16s ease-out, background-color .16s ease-out; }
.button:hover { transform: translateY(-1px); }
.button-primary { background: var(--ink); color: var(--white); }
.button-primary:hover { background: #000; }
.button-accent { background: var(--acid); color: var(--night); }
.button-accent:hover { background: #e4ff7a; }
.text-link { font-size: .8rem; font-weight: 700; }

.hero { display: grid; grid-template-columns: minmax(0, .88fr) minmax(540px, 1.12fr); gap: clamp(48px, 6vw, 94px); max-width: var(--max); margin: 0 auto; padding: clamp(68px, 7vw, 104px) var(--pad) 0; }
.hero-copy { align-self: center; }
.hero-deck { max-width: 61ch; margin: 30px 0 31px; color: var(--ink-2); font-size: clamp(1.05rem, 1.3vw, 1.24rem); line-height: 1.58; }
.hero-actions { display: flex; align-items: center; gap: 24px; }
.claim-boundary, .illustrative-note, .form-note { color: var(--muted); font-size: .68rem; line-height: 1.5; }
.claim-boundary { margin: 23px 0 0; }

.world-record { position: relative; align-self: center; min-width: 0; background: var(--night); color: var(--white); box-shadow: 19px 22px 0 #dedfd6; }
.record-head, .record-contract, .art-head, .art-foot, .ledger-head { display: flex; align-items: center; justify-content: space-between; }
.record-head { min-height: 50px; padding: 0 17px; border-bottom: 1px solid #3b3e36; font: 650 .61rem/1.2 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.record-head strong { display: flex; align-items: center; gap: 8px; color: var(--phosphor); font-weight: 650; }
.record-head i { width: 7px; height: 7px; border-radius: 50%; background: var(--phosphor); box-shadow: 0 0 10px rgba(200, 255, 117, .45); }
.record-stage { position: relative; overflow: hidden; padding: 12px; }
.scan-line { position: absolute; z-index: 3; top: 12px; bottom: 12px; left: 12px; width: 1px; background: var(--yellow); box-shadow: 0 0 14px rgba(245, 223, 88, .5); animation: scan 7s cubic-bezier(.16, 1, .3, 1) infinite; pointer-events: none; }
@keyframes scan { 0%, 8% { transform: translateX(0); opacity: 0; } 12% { opacity: 1; } 72% { transform: translateX(510px); opacity: 1; } 78%, 100% { transform: translateX(510px); opacity: 0; } }
.record-channel { position: relative; min-height: 135px; border-bottom: 1px solid #393c34; background: #141711; }
.record-channel:last-child { border-bottom: 0; }
.channel-title { display: flex; justify-content: space-between; padding: 9px 12px 8px; border-bottom: 1px solid #2d3029; font: 650 .58rem/1.2 var(--mono); letter-spacing: .05em; text-transform: uppercase; }
.channel-title span { color: var(--yellow); }
.channel-title em { color: #8d9186; font-style: normal; }
.channel-body { display: grid; grid-template-columns: .88fr 1.12fr; min-height: 99px; }
.channel-body > div { border-right: 1px solid #2d3029; }
.channel-body dl { display: grid; gap: 3px; align-content: center; margin: 0; padding: 10px 12px; }
.channel-body dl div { display: grid; grid-template-columns: 62px 1fr; gap: 9px; }
.channel-body dt { color: #8d9186; font: 600 .54rem/1.45 var(--mono); text-transform: uppercase; }
.channel-body dd { margin: 0; color: #d8dbd1; font: 500 .58rem/1.45 var(--mono); }
.robot-path, .spectrum, .wave { min-height: 99px; overflow: hidden; }
.signal-svg { display: block; width: 100%; height: 99px; }
.svg-trace { fill: none; stroke: var(--blue); stroke-width: 2.5; vector-effect: non-scaling-stroke; }
.svg-points circle { fill: var(--night); stroke: var(--blue); stroke-width: 2.5; vector-effect: non-scaling-stroke; }
.svg-points .signal-alert { stroke: var(--orange); }
.svg-cursor, .trajectory-cursor { fill: var(--yellow); opacity: 0; }
.is-active .svg-cursor, .is-active .trajectory-cursor { opacity: 1; }
.is-active .svg-trace { stroke-dasharray: 1; animation: draw-trace 3.6s cubic-bezier(.16, 1, .3, 1) infinite; }
.svg-bars rect { fill: var(--blue); transform-box: fill-box; transform-origin: center bottom; }
.is-active .svg-bars rect { animation: spectrum-read 1.8s ease-in-out infinite alternate; }
.svg-bars rect:nth-child(2n) { animation-delay: -.45s; }
.svg-bars rect:nth-child(3n) { animation-delay: -.9s; }
.svg-bars rect:nth-child(5n) { animation-delay: -1.25s; }
.svg-threshold { fill: none; stroke: var(--orange); stroke-width: 1; stroke-dasharray: 4 4; opacity: .75; vector-effect: non-scaling-stroke; }
.svg-wave { fill: none; stroke: var(--phosphor); stroke-width: 2.2; vector-effect: non-scaling-stroke; }
.svg-wave-ghost { stroke: #37412e; }
.is-active .svg-wave:not(.svg-wave-ghost) { stroke-dasharray: .22 .78; animation: signal-flow 2.6s linear infinite; }
@keyframes draw-trace { 0% { stroke-dashoffset: 1; } 58%, 100% { stroke-dashoffset: 0; } }
@keyframes spectrum-read { from { transform: scaleY(.45); opacity: .55; } to { transform: scaleY(1); opacity: 1; } }
@keyframes signal-flow { to { stroke-dashoffset: -1; } }
.record-contract { flex-wrap: wrap; gap: 9px 14px; padding: 13px 17px; border-top: 1px solid #3b3e36; background: var(--blue); font: 650 .56rem/1.3 var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.record-contract span { color: white; }
.record-contract strong { color: #dce0ff; font-weight: 580; }
.world-record .illustrative-note { margin: 0; padding: 9px 17px 11px; color: #989c90; background: #0c0e0b; font-family: var(--mono); }

.promise-strip { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 50px; border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); }
.promise-strip div { min-height: 124px; padding: 20px 20px 18px 0; border-right: 1px solid var(--line); }
.promise-strip div:not(:first-child) { padding-left: 20px; }
.promise-strip div:last-child { border-right: 0; }
.promise-strip strong, .promise-strip span { display: block; }
.promise-strip strong { margin-bottom: 9px; font-size: .86rem; }
.promise-strip span { color: var(--muted); font-size: .78rem; line-height: 1.48; }

.thesis-section { position: relative; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); gap: clamp(50px, 8vw, 130px); margin-top: var(--section); padding: var(--section) max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad))); overflow: hidden; background: var(--night); color: var(--white); }
.thesis-lead h2 { max-width: 15ch; }
.thesis-copy { align-self: end; max-width: 59ch; color: #c9ccc3; }
.thesis-copy p { margin-bottom: 21px; }
.thesis-line { grid-column: 1 / -1; display: flex; align-items: center; gap: 12px; margin-top: 25px; color: var(--yellow); font: 650 .58rem/1 var(--mono); text-transform: uppercase; }
.thesis-line i { flex: 1; height: 1px; background: #454940; }

.domains-section, .standard-section, .ownership-section, .brief-section { max-width: var(--max); margin: 0 auto; padding: var(--section) var(--pad); }
.section-heading { display: grid; grid-template-columns: 1fr minmax(320px, .55fr); column-gap: 70px; align-items: end; margin-bottom: clamp(60px, 7vw, 100px); }
.section-heading .kicker { grid-column: 1 / -1; }
.section-heading h2 { max-width: 13ch; }
.section-heading > p:last-child { max-width: 53ch; margin: 0; color: var(--muted); }
.domain-row { display: grid; grid-template-columns: 150px minmax(320px, .9fr) minmax(390px, 1.1fr); gap: clamp(30px, 5vw, 74px); align-items: start; padding: clamp(66px, 7vw, 100px) 0; border-top: 1px solid var(--line-strong); }
.domain-index { position: sticky; top: 98px; display: grid; }
.domain-index span { margin-bottom: 28px; color: var(--blue); font: 700 3.4rem/.8 var(--mono); letter-spacing: -.08em; }
.domain-index strong { font-size: 1rem; }
.domain-index em { margin-top: 4px; color: var(--muted); font-size: .72rem; font-style: normal; }
.domain-copy h3 { max-width: 17ch; margin-bottom: 25px; }
.domain-copy > p { max-width: 58ch; color: var(--muted); }
.data-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; margin: 28px 0 34px; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.data-list li { padding: 10px 0; border-bottom: 1px solid var(--line); font-size: .76rem; font-weight: 650; }
.deliverable { display: grid; grid-template-columns: 90px 1fr; gap: 3px 14px; padding: 15px; background: var(--blue-soft); }
.deliverable span { grid-row: 1 / 3; color: var(--blue); font: 700 .58rem/1.5 var(--mono); text-transform: uppercase; }
.deliverable strong { line-height: 1.2; }
.deliverable p { margin: 0; color: #4f5270; font-size: .71rem; line-height: 1.45; }

.domain-art { min-width: 0; border: 1px solid var(--line-strong); background: var(--white); box-shadow: 14px 17px 0 #e1e2da; }
.art-head, .art-foot { min-height: 42px; padding: 0 13px; font: 620 .55rem/1.2 var(--mono); letter-spacing: .03em; text-transform: uppercase; }
.art-head { border-bottom: 1px solid var(--line); }
.art-head em { color: var(--blue); font-style: normal; }
.art-foot { border-top: 1px solid var(--line); color: var(--muted); }
.art-foot b { color: var(--ink); font-weight: 680; }
.robot-frame { position: relative; min-height: 390px; overflow: hidden; background: #f2f2ed; }
.domain-svg { display: block; width: 100%; height: 100%; }
.robot-domain-svg { height: 390px; }
.svg-axis-label { fill: var(--muted); font: 600 10px var(--mono); }
.robot-trajectory { fill: none; stroke: var(--orange); stroke-width: 2; stroke-dasharray: 7 7; opacity: .7; }
.robot-link { stroke: var(--blue); stroke-width: 20; stroke-linecap: square; }
.robot-joint { fill: var(--white); stroke: var(--blue-dark); stroke-width: 10; }
.robot-tool { fill: none; stroke: var(--ink); stroke-width: 9; stroke-linecap: square; stroke-linejoin: bevel; }
.robot-object { fill: var(--yellow); }
.contact-ring { fill: none; stroke: var(--orange); stroke-width: 2; opacity: 0; transform-box: fill-box; transform-origin: center; }
.is-active .contact-ring-a { animation: svg-contact 2.8s ease-out infinite; }
.is-active .contact-ring-b { animation: svg-contact 2.8s 1.4s ease-out infinite; }
.is-active .robot-gripper { transform-box: fill-box; transform-origin: left center; animation: gripper-read 2.8s ease-in-out infinite; }
.is-active .robot-trajectory { animation: trajectory-march 5s linear infinite; }
@keyframes svg-contact { 0%, 35% { opacity: 0; transform: scale(.45); } 45% { opacity: 1; } 100% { opacity: 0; transform: scale(2.6); } }
@keyframes gripper-read { 0%, 25%, 100% { transform: rotate(0); } 45%, 70% { transform: rotate(-5deg); } }
@keyframes trajectory-march { to { stroke-dashoffset: -56; } }
.axis { position: absolute; z-index: 2; color: var(--muted); font: 600 .55rem/1 var(--mono); }
.axis-x { right: 12px; bottom: 10px; }
.axis-y { top: 12px; left: 11px; }
.arm { position: absolute; height: 20px; background: var(--blue); transform-origin: left center; }
.joint { position: absolute; z-index: 2; width: 31px; height: 31px; border: 9px solid var(--blue-dark); border-radius: 50%; background: var(--white); }
.arm-a { bottom: 80px; left: 72px; width: 145px; transform: rotate(-62deg); }
.joint-a { bottom: 65px; left: 57px; }
.arm-b { bottom: 205px; left: 136px; width: 134px; transform: rotate(28deg); }
.joint-b { bottom: 189px; left: 121px; }
.arm-c { right: 74px; bottom: 148px; width: 114px; transform: rotate(78deg); }
.joint-c { right: 173px; bottom: 222px; }
.gripper { position: absolute; right: 75px; bottom: 57px; width: 35px; height: 45px; border: 6px solid var(--ink); border-top: 0; }
.object { position: absolute; right: 106px; bottom: 45px; width: 48px; height: 48px; background: var(--yellow); }
.force-ring { position: absolute; right: 71px; bottom: 35px; width: 74px; height: 74px; border: 1px solid var(--orange); border-radius: 50%; animation: pulse 2.8s ease-out infinite; }
@keyframes pulse { 0%, 30% { transform: scale(.55); opacity: 0; } 40% { opacity: 1; } 90%, 100% { transform: scale(1.25); opacity: 0; } }

.science-plot { height: 304px; }
.science-domain-svg { height: 304px; }
.heldout-zone { fill: rgba(63, 81, 223, .09); }
.heldout-line { stroke: var(--blue); stroke-width: 1; stroke-dasharray: 5 5; }
.heldout-label { fill: var(--blue); font: 650 9px var(--mono); letter-spacing: .04em; }
.science-curve { fill: none; stroke-width: 3; stroke-linecap: square; vector-effect: non-scaling-stroke; }
.curve-primary { stroke: var(--blue); }
.curve-secondary { stroke: var(--orange); stroke-width: 2; }
.science-points circle { fill: var(--blue); stroke: var(--white); stroke-width: 2; }
.science-points .science-negative { fill: var(--orange); }
.is-active .science-curve { stroke-dasharray: 1; animation: science-draw 4.8s cubic-bezier(.16, 1, .3, 1) infinite; }
.is-active .curve-secondary { animation-delay: .35s; }
.is-active .science-points circle { transform-box: fill-box; transform-origin: center; animation: point-sample 4.8s ease-in-out infinite; }
.is-active .science-points circle:nth-child(2) { animation-delay: .2s; }
.is-active .science-points circle:nth-child(3) { animation-delay: .4s; }
.is-active .science-points circle:nth-child(4) { animation-delay: .6s; }
@keyframes science-draw { 0% { stroke-dashoffset: 1; opacity: .35; } 48%, 86% { stroke-dashoffset: 0; opacity: 1; } 100% { stroke-dashoffset: 0; opacity: .35; } }
@keyframes point-sample { 0%, 22%, 100% { transform: scale(.75); opacity: .5; } 35%, 78% { transform: scale(1); opacity: 1; } }
.plot-y { display: flex; flex-direction: column; justify-content: space-between; color: var(--muted); font: 550 .52rem/1 var(--mono); }
.plot-field { position: relative; border-bottom: 1px solid var(--ink); border-left: 1px solid var(--ink); background: linear-gradient(#e5e6df 1px, transparent 1px), linear-gradient(90deg, #e5e6df 1px, transparent 1px); background-size: 25% 25%; }
.plot-field::after { content: ""; position: absolute; top: 0; right: 0; bottom: 0; width: 29%; background: rgba(63, 81, 223, .09); border-left: 1px dashed var(--blue); }
.plot-field b { position: absolute; z-index: 2; top: 10px; right: 7px; color: var(--blue); font: 600 .48rem/1 var(--mono); text-transform: uppercase; writing-mode: vertical-rl; }
.curve { position: absolute; right: 8%; bottom: 12%; left: 5%; height: 58%; border-top: 3px solid var(--blue); border-radius: 50% 40% 0 0; transform: rotate(-5deg); }
.curve-b { bottom: 23%; height: 31%; border-color: var(--orange); border-width: 2px; transform: rotate(11deg); }
.point { position: absolute; z-index: 2; width: 9px; height: 9px; border-radius: 50%; background: var(--blue); }
.p1 { left: 15%; bottom: 23%; }.p2 { left: 37%; bottom: 49%; }.p3 { left: 59%; bottom: 61%; }.p4 { right: 13%; bottom: 42%; background: var(--orange); }
.science-ledger { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.science-ledger span { display: flex; align-items: center; gap: 7px; padding: 12px 8px; border-right: 1px solid var(--line); font: 580 .52rem/1.2 var(--mono); text-transform: uppercase; }
.science-ledger span:last-child { border-right: 0; }
.science-ledger i { width: 7px; height: 7px; background: var(--blue); }
.science-ledger span:nth-child(2) i { background: var(--orange); }
.science-ledger span:nth-child(3) i { background: var(--line-strong); }

.audio-art { background: var(--night); color: white; border-color: #30332b; box-shadow: 14px 17px 0 #dfe0d8; }
.audio-art .art-head, .audio-art .art-foot { border-color: #34372f; }
.audio-art .art-head em { color: var(--phosphor); }
.audio-art .art-foot { color: #8f9388; }
.audio-art .art-foot b { color: white; }
.audio-track { display: grid; grid-template-columns: 45px 1fr; align-items: center; min-height: 112px; padding: 0 14px; border-bottom: 1px solid #34372f; }
.audio-track > span { color: #8f9388; font: 600 .52rem/1 var(--mono); }
.mini-wave { height: 82px; min-width: 0; overflow: hidden; }
.audio-domain-svg { display: block; width: 100%; height: 82px; }
.audio-centerline { fill: none; stroke: #34382f; stroke-width: 1; vector-effect: non-scaling-stroke; }
.audio-trace { fill: none; stroke: var(--phosphor); stroke-width: 2; vector-effect: non-scaling-stroke; }
.secondary .audio-trace { stroke: var(--yellow); }
.is-active .audio-trace { stroke-dasharray: .18 .82; animation: audio-scan 3.2s linear infinite; }
@keyframes audio-scan { to { stroke-dashoffset: -1; } }
.transcript { display: grid; grid-template-columns: 45px 1fr; gap: 14px; min-height: 100px; align-items: center; padding: 14px; }
.transcript > span { color: #8f9388; font: 550 .52rem/1 var(--mono); }
.transcript p { margin: 0; color: #d6d9cf; font-size: .8rem; line-height: 1.65; }
.transcript b { color: var(--phosphor); }
.transcript mark { display: inline; padding: 2px 4px; background: rgba(245, 223, 88, .13); color: white; }
.transcript mark b { color: var(--yellow); }

.future-lane { display: grid; grid-template-columns: 90px 1fr auto; gap: 28px; align-items: center; padding: 25px 0; border-top: 1px dashed var(--line-strong); border-bottom: 1px dashed var(--line-strong); color: var(--muted); }
.future-lane > span { font: 700 .58rem/1 var(--mono); text-transform: uppercase; }
.future-lane strong { color: var(--ink); }
.future-lane p { max-width: 72ch; margin: 5px 0 0; font-size: .78rem; }
.future-lane em { font-size: .67rem; font-style: normal; }

.standard-section { padding-top: 0; }
.standard-intro { display: grid; grid-template-columns: 1fr minmax(320px, .6fr); gap: 70px; align-items: end; margin-bottom: 56px; }
.standard-intro .kicker { grid-column: 1 / -1; }
.standard-intro p:last-child { margin: 0; color: var(--muted); }
.standard-rail { margin: 0; padding: 0; border-top: 1px solid var(--ink); list-style: none; }
.standard-rail li { display: grid; grid-template-columns: 150px 1fr 130px; gap: 30px; align-items: center; min-height: 120px; border-bottom: 1px solid var(--line-strong); }
.standard-rail > li > span { color: var(--blue); font: 700 .61rem/1 var(--mono); text-transform: uppercase; }
.standard-rail div { display: grid; grid-template-columns: minmax(200px, .7fr) 1fr; gap: 30px; align-items: center; }
.standard-rail strong { font-size: 1.03rem; }
.standard-rail p { max-width: 59ch; margin: 0; color: var(--muted); font-size: .78rem; }
.standard-rail em { justify-self: end; color: var(--muted); font: 580 .56rem/1 var(--mono); font-style: normal; text-transform: uppercase; }

.method-section { display: grid; grid-template-columns: minmax(0, .8fr) minmax(500px, 1.2fr); gap: clamp(65px, 9vw, 145px); padding: var(--section) max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad))); background: var(--blue); color: white; }
.method-copy { align-self: center; }
.method-copy h2 { max-width: 13ch; }
.method-copy > p:not(.kicker) { max-width: 54ch; margin: 27px 0 32px; color: #d9ddff; }
.method-steps { margin: 0; padding: 0; border-top: 1px solid rgba(255,255,255,.45); list-style: none; }
.method-steps li { display: grid; grid-template-columns: 90px 1fr; gap: 28px; padding: 26px 0; border-bottom: 1px solid rgba(255,255,255,.3); }
.method-steps > li > span { color: var(--yellow); font: 700 .6rem/1.5 var(--mono); text-transform: uppercase; }
.method-steps strong { display: block; margin-bottom: 5px; }
.method-steps p { max-width: 58ch; margin: 0; color: #d9ddff; font-size: .78rem; }

.ownership-section { display: grid; grid-template-columns: minmax(0, .85fr) minmax(440px, 1.15fr); gap: clamp(60px, 9vw, 140px); }
.ownership-copy { align-self: center; }
.ownership-copy h2 { max-width: 14ch; }
.ownership-copy > p:last-child { max-width: 57ch; margin-top: 27px; color: var(--muted); }
.rights-ledger { border: 1px solid var(--line-strong); background: white; box-shadow: 14px 17px 0 #e1e2da; }
.ledger-head { min-height: 50px; padding: 0 15px; border-bottom: 1px solid var(--ink); font: 650 .58rem/1 var(--mono); text-transform: uppercase; }
.ledger-head em { color: var(--blue); font-style: normal; }
.rights-ledger > div:not(.ledger-head) { display: grid; grid-template-columns: 1fr auto; gap: 20px; padding: 13px 15px; border-bottom: 1px solid var(--line); font-size: .74rem; }
.rights-ledger > div:not(.ledger-head) span { color: var(--blue); font: 650 .57rem/1.5 var(--mono); text-transform: uppercase; }
.rights-ledger > p { margin: 0; padding: 13px 15px; color: var(--muted); background: #f0f1eb; font-size: .66rem; }

.brief-section { position: relative; display: grid; grid-template-columns: minmax(0, .82fr) minmax(500px, 1.18fr); gap: clamp(65px, 9vw, 145px); max-width: none; padding-right: max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad))); padding-left: max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad))); background: var(--night); color: white; }
.brief-intro h2 { max-width: 13ch; }
.brief-intro > p:not(.kicker) { max-width: 54ch; margin-top: 27px; color: #c9ccc3; }
.brief-fit { margin-top: 40px; padding-top: 20px; border-top: 1px solid #42463d; color: #c9ccc3; font-size: .76rem; }
.brief-fit strong { color: white; }
.brief-fit ul { margin: 10px 0 0; padding-left: 18px; }
.brief-form { display: grid; gap: 15px; }
.brief-form label { display: grid; gap: 7px; color: #bfc2b8; font-size: .66rem; font-weight: 680; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
input, select, textarea { width: 100%; border: 1px solid #4b4f45; border-radius: 2px; background: var(--night-2); color: white; }
input, select { min-height: 47px; padding: 0 12px; }
textarea { padding: 12px; resize: vertical; }
input::placeholder, textarea::placeholder { color: #81857a; }
input:focus, select:focus, textarea:focus { border-color: var(--acid); outline: 3px solid rgba(216,255,69,.13); }
.brief-form .button { width: max-content; margin-top: 3px; }
.form-note { margin: -5px 0 0; color: #8c9085; }
.brief-output { position: absolute; z-index: 10; right: max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad))); bottom: 80px; width: min(620px, calc(100vw - 40px)); border: 1px solid #5e6257; background: var(--paper); color: var(--ink); box-shadow: 20px 24px 0 rgba(0,0,0,.3); }
.brief-output-head { display: flex; align-items: center; justify-content: space-between; min-height: 48px; padding: 0 14px; border-bottom: 1px solid var(--ink); font-size: .74rem; }
.brief-output-head button { width: 42px; height: 42px; border: 0; background: transparent; font-size: 1.4rem; }
.brief-output pre { max-height: 380px; margin: 0; overflow: auto; padding: 18px; white-space: pre-wrap; font: 500 .66rem/1.55 var(--mono); }
.brief-output-actions { display: flex; align-items: center; gap: 20px; padding: 14px; border-top: 1px solid var(--line); }

.site-footer { display: grid; grid-template-columns: auto 1fr auto auto; gap: 40px; align-items: center; min-height: 110px; padding: 25px var(--pad); border-top: 1px solid var(--line-strong); background: var(--paper); font-size: .7rem; }
.site-footer p { margin: 0; color: var(--muted); }
.site-footer > div { display: flex; gap: 18px; }
.site-footer > span { color: var(--muted); }

@media (max-width: 1100px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy { max-width: 760px; }
  h1 { max-width: 12ch; }
  .world-record { max-width: 760px; }
  .promise-strip { grid-template-columns: 1fr 1fr; }
  .promise-strip div:nth-child(2) { border-right: 0; }
  .promise-strip div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .thesis-section, .method-section, .ownership-section, .brief-section { grid-template-columns: 1fr; }
  .thesis-copy, .method-copy, .ownership-copy, .brief-intro { max-width: 760px; }
  .domain-row { grid-template-columns: 100px 1fr; }
  .domain-art { grid-column: 2; max-width: 720px; }
  .domain-index { top: 92px; }
  .brief-output { position: fixed; top: 50%; right: 50%; bottom: auto; transform: translate(50%, -50%); }
}

@media (max-width: 820px) {
  .desktop-nav, .nav-cta { display: none; }
  .site-header { grid-template-columns: 1fr auto; }
  .menu-button { display: block; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 15px; }
  .section-heading, .standard-intro { grid-template-columns: 1fr; gap: 24px; }
  .domain-row { grid-template-columns: 1fr; }
  .domain-index { position: static; grid-template-columns: 70px 1fr; align-items: end; }
  .domain-index span { grid-row: 1 / 3; margin: 0; }
  .domain-index em { margin: 0; }
  .domain-art { grid-column: 1; }
  .future-lane { grid-template-columns: 70px 1fr; }
  .future-lane em { grid-column: 2; }
  .standard-rail li { grid-template-columns: 100px 1fr; gap: 20px; padding: 22px 0; }
  .standard-rail div { grid-template-columns: 1fr; gap: 5px; }
  .standard-rail em { display: none; }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .site-footer > p { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 580px) {
  body { font-size: 16px; }
  h1 { font-size: clamp(3rem, 15vw, 4.15rem); }
  h2 { font-size: clamp(2.35rem, 11vw, 3.45rem); }
  .hero { padding-top: 52px; }
  .world-record { box-shadow: 10px 12px 0 #dedfd6; }
  .channel-body { grid-template-columns: 1fr; }
  .channel-body > div { min-height: 80px; border-right: 0; border-bottom: 1px solid #2d3029; }
  .promise-strip { grid-template-columns: 1fr; }
  .promise-strip div, .promise-strip div:not(:first-child) { min-height: 0; padding: 18px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .promise-strip div:last-child { border-bottom: 0; }
  .thesis-section { padding-top: 95px; padding-bottom: 95px; }
  .thesis-line { flex-wrap: wrap; }
  .thesis-line i { min-width: 25px; }
  .data-list { grid-template-columns: 1fr; }
  .deliverable { grid-template-columns: 1fr; }
  .deliverable span { grid-row: auto; }
  .robot-frame { min-height: 330px; transform-origin: center; }
  .science-ledger { grid-template-columns: 1fr; }
  .science-ledger span { border-right: 0; border-bottom: 1px solid var(--line); }
  .science-ledger span:last-child { border-bottom: 0; }
  .future-lane { grid-template-columns: 1fr; gap: 7px; }
  .future-lane em { grid-column: 1; }
  .standard-rail li { grid-template-columns: 1fr; gap: 8px; }
  .method-steps li { grid-template-columns: 70px 1fr; gap: 15px; }
  .form-row { grid-template-columns: 1fr; }
  .rights-ledger > div:not(.ledger-head) { grid-template-columns: 1fr; gap: 4px; }
  .brief-output { width: calc(100vw - 24px); }
  .brief-output-actions { align-items: flex-start; flex-direction: column; }
  .site-footer { grid-template-columns: 1fr; gap: 17px; align-items: start; }
  .site-footer > p { grid-column: 1; grid-row: auto; }
  .site-footer > div { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .scan-line { display: none; }
  .svg-cursor, .trajectory-cursor { display: none; }
}