:root {
  --bone: #ece8f0;
  --paper: #17151b;
  --ink: #0b0a0d;
  --graphite: #111015;
  --muted: #aaa4b1;
  --line: rgba(255,255,255,.14);
  --purple: #8d55f6;
  --purple-light: #c7a8ff;
  --mono: "DM Mono", monospace;
  --sans: "Instrument Sans", sans-serif;
  --serif: "Newsreader", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--bone); background: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.5; }
#system, #phases, #research, #creator { scroll-margin-top: 88px; }
body::before { content: ""; position: fixed; inset: 0; z-index: 99; pointer-events: none; opacity: .035; 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='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E"); }
a { color: inherit; }
img { display: block; width: 100%; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 120; background: var(--ink); color: white; padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }

.site-header { position: sticky; top: 0; z-index: 80; min-height: 74px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 2rem; padding: 0 3.5vw; border-bottom: 1px solid var(--line); background: rgba(11,10,13,.9); backdrop-filter: blur(14px); }
.wordmark { display: flex; align-items: center; gap: .7rem; text-transform: uppercase; text-decoration: none; letter-spacing: .12em; font-size: .85rem; font-weight: 600; }
.wordmark-mark { display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid rgba(199,168,255,.45); color: var(--purple-light); font-family: var(--mono); font-size: .7rem; }
nav { display: flex; gap: 2rem; }
nav a, .header-cta { font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; text-decoration: none; font-size: .72rem; }
nav a:hover, .header-cta:hover, .text-link:hover { color: var(--purple); }
.header-cta { justify-self: end; }

.hero { display: grid; grid-template-columns: 1fr; grid-template-rows: auto auto auto auto; border-bottom: 1px solid var(--line); }
.hero-copy { position: relative; min-height: calc(100vh - 74px); display: flex; flex-direction: column; justify-content: center; padding: clamp(5rem, 8vw, 8rem) 4.5vw 4.5rem; overflow: hidden; border-bottom: 1px solid var(--line); background-color: #0d0c10; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px), radial-gradient(circle at 83% 25%, rgba(141,85,246,.16), transparent 34%); background-size: 90px 90px, 90px 90px, auto; }
.hero-copy::after { content: ""; position: absolute; width: 340px; height: 1px; right: 4vw; top: 21%; background: linear-gradient(90deg, transparent, var(--purple)); box-shadow: 0 9rem 0 rgba(141,85,246,.35), 0 18rem 0 rgba(141,85,246,.18); }
.hero-system-id { position: absolute; left: 4.5vw; right: 4.5vw; top: 2rem; display: flex; justify-content: space-between; color: #827b89; font: .59rem var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.eyebrow, .section-index, .phase-tag { font-family: var(--mono); text-transform: uppercase; letter-spacing: .12em; font-size: .73rem; }
.eyebrow { display: flex; align-items: center; gap: .65rem; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--purple); box-shadow: 0 0 0 5px rgba(141,85,246,.12); }
h1 { max-width: 1180px; margin: 2rem 0 1.8rem; font-family: var(--sans); font-size: clamp(4rem, 7vw, 8rem); font-weight: 570; line-height: .91; letter-spacing: -.065em; }
.hero-focus { color: #c8b1f5; }
.hero-summary { max-width: 710px; margin: 0; font-size: clamp(1.08rem, 1.45vw, 1.35rem); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.5rem; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 2rem; min-height: 52px; padding: 0 1.25rem; border: 1px solid rgba(255,255,255,.42); font-family: var(--mono); font-size: .74rem; letter-spacing: .06em; text-transform: uppercase; text-decoration: none; transition: background .2s, color .2s, transform .2s; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--purple-light); color: var(--ink); border-color: var(--purple-light); }
.button.primary:hover { background: var(--purple); border-color: var(--purple); }
.button.secondary { border-color: rgba(255,255,255,.42); }
.button.secondary:hover { background: rgba(255,255,255,.07); }

.signal-panel { position: relative; min-height: min(78vh, 780px); overflow: hidden; background: var(--graphite); color: var(--bone); }
#signal-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.signal-toolbar { position: absolute; z-index: 5; top: 0; left: 0; right: 0; display: grid; grid-template-columns: .55fr 1.45fr; align-items: center; gap: 2rem; padding: 1rem 1.25rem; border-bottom: 1px solid rgba(255,255,255,.14); background: rgba(11,10,13,.9); backdrop-filter: blur(10px); }
.signal-toolbar > div { display: flex; flex-direction: column; }
.signal-toolbar > div span { color: #8e8795; font: .55rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.signal-toolbar > div strong { margin-top: .2rem; font: 500 .88rem var(--sans); }
.signal-slider-wrap { display: grid; grid-template-columns: repeat(3,1fr); gap: .4rem 1rem; align-items: center; color: #aaa4b1; font: .55rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.signal-slider-wrap span:nth-child(2) { text-align: center; }.signal-slider-wrap span:nth-child(3) { text-align: right; }
#signal-slider { grid-column: 1/-1; width: 100%; height: 18px; margin: 0; appearance: none; background: transparent; cursor: ew-resize; }
#signal-slider::-webkit-slider-runnable-track { height: 2px; background: linear-gradient(90deg, var(--purple) var(--slider-fill, 0%), rgba(255,255,255,.19) var(--slider-fill, 0%)); }
#signal-slider::-webkit-slider-thumb { appearance: none; width: 18px; height: 18px; margin-top: -8px; border: 2px solid #0b0a0d; border-radius: 50%; background: var(--purple-light); box-shadow: 0 0 0 1px var(--purple-light), 0 0 20px rgba(141,85,246,.6); }
#signal-slider::-moz-range-track { height: 2px; background: rgba(255,255,255,.19); }
#signal-slider::-moz-range-progress { height: 2px; background: var(--purple); }
#signal-slider::-moz-range-thumb { width: 16px; height: 16px; border: 2px solid #0b0a0d; border-radius: 50%; background: var(--purple-light); }
.signal-categories { position: absolute; z-index: 3; left: 1.25rem; right: 1.25rem; top: 5.3rem; display: grid; grid-template-columns: repeat(5, 1fr); opacity: 0; transform: translateY(-8px); transition: .35s ease; }
.signal-panel[data-stage="1"] .signal-categories, .signal-panel[data-stage="2"] .signal-categories { opacity: 1; transform: none; }
.signal-categories span { padding-bottom: .5rem; text-align: center; color: #bdb7c2; border-bottom: 1px solid rgba(255,255,255,.16); font: .54rem var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.signal-meta { position: absolute; z-index: 4; bottom: 0; left: 0; right: 0; display: grid; grid-template-columns: .8fr 1.2fr; gap: 2rem; padding: 1.2rem 1.35rem; border-top: 1px solid rgba(255,255,255,.14); background: rgba(18,17,22,.86); backdrop-filter: blur(10px); }
.signal-meta div { display: flex; flex-direction: column; }
.signal-meta span { color: var(--purple-light); font: .58rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.signal-meta strong { margin-top: .25rem; font: 500 1.05rem var(--sans); }
.signal-meta p { margin: 0; color: #bdb7c2; font-size: .84rem; line-height: 1.45; }
.output-controls { position: absolute; z-index: 4; right: 1.25rem; top: 7.1rem; bottom: 7.2rem; display: grid; align-content: space-around; gap: .45rem; width: min(25%, 150px); opacity: 0; transform: translateX(24px); pointer-events: none; transition: .35s ease; }
.signal-panel[data-stage="2"] .output-controls { opacity: 1; transform: none; pointer-events: auto; }
.output-controls button { min-height: 48px; border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.04); color: #c8c2cc; font: .62rem var(--mono); letter-spacing: .08em; text-transform: uppercase; cursor: pointer; transition: .2s; }
.output-controls button:hover, .output-controls button:focus-visible { border-color: var(--purple-light); color: white; outline: none; }
.output-controls button.active { border-color: var(--purple-light); background: var(--purple); color: #0b0a0d; box-shadow: 0 0 25px rgba(141,85,246,.18); }
.output-description { position: absolute; z-index: 5; left: 1.25rem; bottom: 7rem; width: min(52%, 390px); padding: .85rem 1rem; opacity: 0; transform: translateY(12px); background: rgba(11,10,13,.94); border-left: 2px solid var(--purple); pointer-events: none; transition: .35s ease; }
.signal-panel[data-stage="2"] .output-description { opacity: 1; transform: none; }
.output-description span { color: var(--purple-light); font: .55rem var(--mono); letter-spacing: .09em; text-transform: uppercase; }
.output-description p { margin: .3rem 0 0; color: #c2bcc7; font-size: .76rem; line-height: 1.45; }

.system-strip { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1.35fr; align-items: stretch; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.system-strip div { position: relative; min-height: 126px; display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: .8rem; align-content: center; padding: 1.55rem 1.35rem 1.15rem; background: linear-gradient(180deg, rgba(255,255,255,.025), transparent); }
.system-strip div::before { content: ""; position: absolute; left: 1.35rem; right: 1.35rem; top: .8rem; height: 2px; background: linear-gradient(90deg, var(--purple), rgba(141,85,246,.08)); }
.system-strip div::after { content: "signal captured"; position: absolute; left: 1.35rem; bottom: .5rem; color: #645e6a; font: .48rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.system-strip div:nth-of-type(2)::after { content:"variable isolated"; }.system-strip div:nth-of-type(3)::after { content:"response measured"; }.system-strip div:nth-of-type(4)::after { content:"outcome validated"; }.system-strip div:nth-of-type(5)::after { content:"intelligence delivered"; }
.system-strip span { grid-row: 1/3; color: var(--purple); font: .68rem var(--mono); }
.system-strip strong { text-transform: uppercase; letter-spacing: .09em; font-size: .84rem; }
.system-strip small { color: var(--muted); }
.system-strip b { align-self: center; color: var(--purple); font-weight: 400; }
.current-state { grid-column: 1/-1; display: grid; grid-template-columns: 1fr 2fr; align-items: center; gap: 2rem; padding: 1.2rem 4.5vw; }
.phase-tag { color: var(--purple); }
.current-state p { margin: 0; }

.section-pad { padding: clamp(5rem, 9vw, 9rem) 4.5vw; }
.section-index { color: var(--muted); margin-bottom: 3rem; }
.section-index.light { color: var(--purple-light); }
.thesis { display: grid; grid-template-columns: .45fr 1.25fr .55fr; gap: 6vw; align-items: start; }
.thesis h2, .section-heading h2, .research h2, .creator h2, .responsibility h2, .partnership h2 { margin: 0; font-family: var(--serif); font-size: clamp(2.8rem, 5vw, 5.8rem); line-height: .96; letter-spacing: -.045em; font-weight: 430; }
.thesis-copy p { max-width: 800px; font-size: 1.15rem; }
.concept-list { display: grid; gap: .5rem; }
.concept-list div { position: relative; display: grid; grid-template-columns: 26px 1fr; gap: .15rem .75rem; min-height: 82px; padding: .8rem .85rem 1rem; overflow: hidden; background: linear-gradient(105deg, rgba(141,85,246,.11), rgba(255,255,255,.025)); border: 1px solid rgba(199,168,255,.14); }
.concept-list div::after { content:""; position:absolute; inset:auto 0 0; height:2px; background:linear-gradient(90deg,var(--purple) var(--signal),rgba(255,255,255,.08) var(--signal)); }
.concept-list span { grid-row: 1/3; color: var(--purple-light); font: .58rem var(--mono); letter-spacing: .08em; }
.concept-list strong { font: 500 .78rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.concept-list small { color: var(--muted); font-size: .68rem; line-height: 1.3; }
.concept-list i { position:absolute; right:.8rem; top:.8rem; width:5px; height:5px; border-radius:50%; background:var(--purple-light); box-shadow:0 0 12px var(--purple); }

.phases { background: var(--ink); color: var(--bone); }
.section-heading { display: grid; grid-template-columns: .55fr 1fr .55fr; gap: 5vw; align-items: end; margin-bottom: 5rem; }
.section-heading .section-index { align-self: start; }
.section-heading p { margin: 0; color: #b8b2bd; font-size: 1.08rem; }
.phase-list { display: grid; gap: .7rem; }
.phase-card, .research-grid article, .creator-images figure { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.phase-card.revealed, .research-grid article.revealed, .creator-images figure.revealed { opacity: 1; transform: none; }
.phase-card { position: relative; display: grid; grid-template-columns: 92px minmax(190px,.55fr) 1.4fr minmax(190px,.48fr); gap: 2vw; align-items: center; padding: 1.7rem 1.8rem; overflow: hidden; background: #151318; border: 1px solid rgba(255,255,255,.11); }
.phase-card::after { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: #4a4550; transition: .2s; }
.phase-card:hover::after, .phase-card.active::after { background: var(--purple); }
.phase-card header { display: flex; flex-direction: column; justify-content: flex-start; gap: 1.2rem; align-items: flex-start; min-height: 0; font-family: var(--mono); color: var(--purple-light); }
.phase-status { padding: .35rem .55rem; border: 1px solid rgba(199,168,255,.4); border-radius: 100px; font-size: .62rem; text-transform: uppercase; letter-spacing: .09em; }
.phase-card h3 { margin: 0; padding-top: .05rem; font: 530 clamp(1.45rem, 2.15vw, 2.35rem)/1.05 var(--sans); letter-spacing: -.035em; }
.phase-card h3 { grid-column: 2; }
.phase-details { grid-column: 3; }
.phase-visual { grid-column: 4; grid-row: 1; position: relative; min-height: 138px; padding:.75rem; overflow: hidden; border: 1px solid rgba(199,168,255,.2); background:#100f14; font-family:var(--mono); }
.phase-visual > small { display:block; margin-bottom:.75rem; color:#9d96a5; font-size:.48rem; letter-spacing:.1em; text-transform:uppercase; }
.creator-nodes { display:flex; align-items:center; justify-content:space-between; gap:.35rem; }
.creator-nodes b { display:grid; place-items:center; width:48px; height:48px; border:1px solid rgba(199,168,255,.35); border-radius:50%; color:var(--bone); font-size:.55rem; font-weight:400; }
.creator-nodes b:first-child { background:rgba(141,85,246,.22); border-color:var(--purple-light); }
.creator-nodes em { display:block; color:var(--purple-light); font-size:.35rem; font-style:normal; text-transform:uppercase; }
.visual-network > strong { display:block; margin-top:.65rem; padding-top:.35rem; border-top:1px solid rgba(255,255,255,.12); color:#bdb7c2; font-size:.48rem; font-weight:400; text-align:center; text-transform:uppercase; }
.test-matrix { display:grid; grid-template-columns:1.6fr repeat(3,1fr); gap:3px; align-items:center; font-size:.46rem; }
.test-matrix b,.test-matrix em { color:#aaa4b1; font-style:normal; font-weight:400; text-align:center; }
.test-matrix em { text-align:left; }
.test-matrix i { height:13px; border:1px solid rgba(199,168,255,.2); background:rgba(141,85,246,.12); }
.test-matrix i:nth-of-type(2n) { background:rgba(199,168,255,.4); }
.demand-funnel { display:grid; justify-items:center; gap:4px; }
.demand-funnel b { display:block; padding:.22rem; background:rgba(141,85,246,.18); border:1px solid rgba(199,168,255,.25); color:#d3ced7; font-size:.46rem; font-weight:400; text-align:center; text-transform:uppercase; }
.demand-funnel b:nth-child(1){width:100%}.demand-funnel b:nth-child(2){width:82%}.demand-funnel b:nth-child(3){width:64%}.demand-funnel b:nth-child(4){width:46%;background:var(--purple);color:var(--ink)}
.campaign-flow,.intelligence-flow { display:flex; align-items:center; justify-content:center; gap:.35rem; min-height:82px; }
.campaign-flow b,.intelligence-flow b,.intelligence-flow strong { padding:.5rem .4rem; border:1px solid rgba(199,168,255,.25); color:#d3ced7; font-size:.45rem; font-weight:400; line-height:1.45; text-align:center; text-transform:uppercase; }
.campaign-flow i,.intelligence-flow i { color:var(--purple-light); font-size:.8rem; font-style:normal; }
.intelligence-flow strong { background:rgba(141,85,246,.18); color:var(--purple-light); }
.phase-details { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.phase-details p { margin: 0; padding: .2rem 0; color: #c9c4cd; font-size: .91rem; }
.phase-details strong { display: block; margin-bottom: .55rem; color: var(--purple-light); font: .66rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.phase-details p:last-child { margin: -.25rem; padding: .45rem .65rem; background: rgba(141,85,246,.09); border: 1px solid rgba(199,168,255,.16); }
.phase-card.destination { background: linear-gradient(90deg, #1a181e, rgba(141,85,246,.12)); }

.research-intro { display: grid; grid-template-columns: .55fr 1fr; gap: 5vw; }
.research-intro p { grid-column: 2; max-width: 780px; font-size: 1.15rem; }
.research-grid { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 5rem; counter-reset: research; }
.research-grid article { position: relative; min-height: 280px; padding: 1.7rem; background: linear-gradient(145deg, rgba(255,255,255,.045), rgba(255,255,255,.012)); border: 1px solid rgba(255,255,255,.12); border-top:2px solid var(--purple); border-right: 0; }
.research-grid article:last-child { border-right: 1px solid rgba(255,255,255,.12); }
.research-grid article::before { content:""; position:absolute; width:10px; height:10px; left:1.65rem; top:-7px; border:2px solid var(--ink); border-radius:50%; background:var(--purple-light); box-shadow:0 0 0 1px var(--purple-light),0 0 16px rgba(141,85,246,.7); }
.research-grid article:not(:last-child)::after { content: "→"; position: absolute; z-index: 2; right: -12px; top: 47%; display: grid; place-items: center; width: 24px; height: 24px; color: #0b0a0d; background: var(--purple-light); border-radius:50%; font: .8rem var(--mono); }
.research-grid span { display: inline-grid; place-items: center; width: 2.1rem; height: 2.1rem; color: var(--purple-light); border:1px solid rgba(199,168,255,.4); font: .65rem var(--mono); }
.research-grid h3 { margin: 4rem 0 .6rem; font: 550 1.65rem var(--sans); letter-spacing: -.03em; }
.research-grid p { margin: 0; color: var(--muted); font-size: .91rem; }
.automation-note { display: grid; grid-template-columns: .4fr 1fr; gap: 3rem; margin-top: 2rem; padding: 2rem; background: var(--paper); border-left: 3px solid var(--purple); }
.automation-note span { font: .72rem var(--mono); letter-spacing: .09em; text-transform: uppercase; }
.automation-note p { margin: 0; font: 400 clamp(1.4rem, 2.3vw, 2.4rem)/1.2 var(--serif); }

.creator { display: grid; grid-template-columns: .76fr 1.24fr; gap: 5vw; background: var(--graphite); color: var(--bone); }
.creator-copy { align-self: center; }
.phase-tag.dark { display: inline-block; margin-bottom: 1.5rem; color: var(--purple-light); }
.creator-copy p { max-width: 620px; color: #c9c4cd; font-size: 1.06rem; }
.text-link { display: inline-block; margin-top: 1rem; font: .74rem var(--mono); text-transform: uppercase; letter-spacing: .08em; text-underline-offset: .3rem; }
.creator-images { position: relative; display: grid; grid-template-columns: 1.25fr .75fr; gap: 1rem; align-items: end; }
.creator-images figure { margin: 0; overflow: hidden; background: #302d35; }
.creator-images img { height: 100%; object-fit: cover; filter: saturate(.72) contrast(1.04); }
.creator-main { height: min(70vw, 720px); }
.creator-secondary { height: min(46vw, 480px); }
.creator-note { position: absolute; right: -1.5rem; top: 1.5rem; display: flex; flex-direction: column; width: 220px; padding: 1rem; background: rgba(15,13,19,.92); color: var(--bone); border: 1px solid rgba(199,168,255,.34); border-top: 3px solid var(--purple); backdrop-filter: blur(12px); }
.creator-note span, .creator-note small { font: .64rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.creator-note strong { margin: .6rem 0; font: 400 2rem var(--serif); }

.responsibility { display: grid; grid-template-columns: .45fr 1fr .6fr; gap: 5vw; }
.responsibility p { max-width: 700px; font-size: 1.08rem; }
.responsibility ul { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.responsibility li { padding: .9rem 0; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; }
.responsibility li::before { content: "+"; margin-right: .75rem; color: var(--purple); }

.partnership { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 8vw; overflow: hidden; background: var(--graphite); color: var(--bone); border-top: 1px solid rgba(255,255,255,.12); }
.partnership::before { content: ""; position: absolute; width: 420px; height: 420px; right: -130px; top: -180px; border-radius: 50%; background: var(--purple); opacity: .18; filter: blur(90px); }
.partnership p { position: relative; max-width: 640px; margin-top: 0; color: #c9c4cd; font-size: 1.15rem; }
.light-button { margin-top: 1.5rem; background: var(--ink); color: var(--bone); }
.light-button:hover { background: var(--purple-light); color: var(--ink); }

footer { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 3rem; padding: 3rem 4.5vw; background: var(--ink); color: var(--bone); }
.footer-brand { font: 400 1.5rem var(--serif); }
footer > div:nth-child(2), .footer-links { display: flex; flex-direction: column; gap: .4rem; }
footer span, footer a, footer small { color: #bdb7c2; font: .68rem var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.footer-links a { text-underline-offset: .3rem; }
footer small { grid-column: 1/-1; margin-top: 2rem; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; padding: 0 1.25rem; } nav { display: none; }
  .hero { display: block; min-height: auto; }
  .hero-copy { min-height: 74vh; padding: 5rem 1.25rem 3rem; border-right: 0; }
  h1 { font-size: clamp(3.3rem, 12vw, 6.5rem); }
  .signal-panel { min-height: 500px; border-top: 1px solid var(--line); }
  .system-strip { overflow-x: auto; grid-template-columns: repeat(9, max-content); }
  .system-strip div { min-width: 190px; }
  .current-state { grid-template-columns: 1fr; padding: 1.25rem; }
  .section-pad { padding-left: 1.25rem; padding-right: 1.25rem; }
  .thesis, .section-heading, .research-intro, .responsibility { grid-template-columns: 1fr; }
  .thesis-copy, .research-intro p { grid-column: auto; }
  .concept-list { margin-top: 2rem; }
  .phase-card { grid-template-columns: 90px 1fr 190px; }
  .phase-card h3 { grid-column: 2; }
  .phase-details { grid-column: 2/4; }
  .phase-visual { grid-column: 3; grid-row: 1; }
  .research-grid { grid-template-columns: repeat(2, 1fr); }
  .research-grid article:nth-child(even) { border-right: 1px solid rgba(255,255,255,.12); }
  .research-grid article:nth-child(2)::after { display: none; }
  .creator { grid-template-columns: 1fr; }
  .creator-main { height: 720px; }
  .creator-secondary { height: 480px; }
  .partnership { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .wordmark span:last-child { font-size: .7rem; }
  .header-cta { font-size: .65rem; }
  .hero-copy { min-height: auto; padding-top: 4rem; }
  h1 { font-size: clamp(3.15rem, 17vw, 5.1rem); }
  .hero-summary { font-size: 1rem; }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .signal-panel { min-height: 420px; }
  .signal-toolbar { grid-template-columns: 1fr; gap: .65rem; }
  .signal-toolbar > div { display: none; }
  .signal-categories { top: 4.6rem; left: .6rem; right: .6rem; }
  .signal-categories span { font-size: .44rem; }
  .signal-meta { grid-template-columns: 1fr; gap: .45rem; padding: .85rem 1rem; }
  .signal-meta p { font-size: .72rem; }
  .output-controls { top: 6.4rem; bottom: 8.8rem; right: .65rem; width: 88px; }
  .output-controls button { min-height: 38px; font-size: .52rem; }
  .output-description { left: .65rem; bottom: 7.5rem; width: calc(100% - 108px); }
  .thesis h2, .section-heading h2, .research h2, .creator h2, .responsibility h2, .partnership h2 { font-size: clamp(2.6rem, 14vw, 4.3rem); }
  .phase-card { grid-template-columns: 1fr; gap: 1.5rem; }
  .phase-card header { min-height: auto; flex-direction: row; }
  .phase-card h3, .phase-details, .phase-visual { grid-column: auto; grid-row:auto; }
  .phase-visual { height:150px; }
  .phase-details { grid-template-columns: 1fr; }
  .research-intro { display: block; }
  .research-grid { grid-template-columns: 1fr; }
  .research-grid article { border-right: 1px solid rgba(255,255,255,.12); }
  .research-grid article:not(:last-child)::after { content: "↓"; right: auto; left: 50%; top: auto; bottom: -1.75rem; }
  .automation-note { grid-template-columns: 1fr; }
  .creator-images { grid-template-columns: 1fr; gap: .75rem; }
  .creator-main { height: 540px; }
  .creator-secondary { height: 440px; }
  .creator-note { position: relative; grid-row: 1; left: auto; right: auto; top: auto; width: 100%; padding: 1rem 1.1rem; }
  .creator-note strong { margin: .3rem 0; font-size: 1.7rem; }
  footer { grid-template-columns: 1fr; }
  footer small { grid-column: auto; }
}

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