:root {
  --bg: #0a1020;
  --deep: #07101d;
  --surface: #101a2c;
  --surface-2: #152238;
  --ink: #f3f5f7;
  --ink-soft: #d9dee7;
  --muted: #8d9aaf;
  --faint: #5f6f87;
  --line: rgba(169, 221, 230, 0.18);
  --line-soft: rgba(169, 221, 230, 0.09);
  --accent: #9dd7df;
  --accent-soft: #729caf;
  --gold: #d5c17a;
  --footer: #d6dde2;
  --footer-ink: #152238;
  --container: min(1360px, calc(100% - 96px));
  --sans: "Segoe UI", "Helvetica Neue", system-ui, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
  --mono: Consolas, "SFMono-Regular", "Liberation Mono", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; background: var(--bg); }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.6 var(--sans);
  text-rendering: optimizeLegibility;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 50;
  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='.72' numOctaves='3' 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; }
button { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
::selection { background: var(--accent); color: var(--deep); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--gold); outline-offset: 5px; }

.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;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--accent);
  color: var(--deep);
  transform: translateY(-160%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: none; }
.section-shell { width: var(--container); margin-inline: auto; }
.section-index,
.eyebrow,
.side-tag {
  margin: 0;
  color: var(--accent-soft);
  font: 500 10px/1.4 var(--mono);
  letter-spacing: .16em;
  text-transform: uppercase;
}

/* Navigation */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: max(48px, calc((100vw - 1360px) / 2));
  border-bottom: 1px solid transparent;
  transition: background .35s ease, border-color .35s ease;
}
.site-header.is-scrolled {
  background: rgba(8, 15, 29, .82);
  border-color: var(--line-soft);
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: 11px; white-space: nowrap; }
.brand span { color: var(--ink-soft); font-size: 17px; font-weight: 300; letter-spacing: -.045em; }
.brand b { color: var(--ink); font-family: var(--serif); font-weight: 400; }
.brand-mark { width: 31px; height: 31px; fill: none; stroke: var(--accent); stroke-width: 1.35; }
.primary-nav { display: flex; align-items: center; gap: 28px; }
.primary-nav > a:not(.nav-acquire) {
  color: #b3becc;
  font-size: 11px;
  letter-spacing: .04em;
  transition: color .2s ease;
}
.primary-nav > a:not(.nav-acquire):hover { color: var(--ink); }
.nav-acquire {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  margin-left: 8px;
  padding-block: 6px;
  border-bottom: 1px solid var(--accent);
  color: var(--ink);
  font-size: 11px;
  transition: color .2s ease, padding .2s ease;
}
.nav-acquire:hover { color: var(--accent); padding-right: 5px; }
.nav-toggle { display: none; border: 0; background: transparent; color: var(--ink); }

/* Hero world field */
.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  background:
    radial-gradient(circle at 72% 39%, rgba(90, 147, 168, .13), transparent 30%),
    linear-gradient(155deg, #0d1729 0%, #0a1020 52%, #09101d 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(6, 12, 24, .92) 0%, rgba(7, 14, 27, .46) 38%, transparent 68%), linear-gradient(0deg, rgba(6, 12, 24, .55), transparent 35%);
}
.world-field { position: absolute; inset: 0; }
.field-grid { width: 100%; height: 100%; }
.field-grid path, .field-grid circle { vector-effect: non-scaling-stroke; }
.latitude path { fill: none; stroke: var(--accent-soft); stroke-width: 1; stroke-dasharray: 3 12; }
.contours { fill: none; stroke: url(#fieldFade); stroke-width: 1.1; }
.contour-a { animation: contour-drift 18s ease-in-out infinite alternate; transform-origin: 50% 70%; }
.contour-b { opacity: .85; animation: depth-drift 22s ease-in-out infinite alternate; transform-origin: 70% 30%; }
.regions path { fill: rgba(114, 156, 175, .025); stroke: rgba(169, 221, 230, .21); stroke-width: 1; }
.vectors path { fill: none; stroke: rgba(213, 193, 122, .52); stroke-width: 1; }
.nodes circle { fill: var(--gold); stroke: rgba(10, 16, 32, .85); stroke-width: 5; animation: node-breathe 4s ease-in-out infinite; }
.nodes circle:nth-child(2n) { animation-delay: -2s; }
.horizon-line { fill: none; stroke: rgba(169, 221, 230, .23); stroke-width: 1; }
.depth-plane { fill: rgba(125, 183, 198, .025); stroke: rgba(158, 213, 224, .17); stroke-width: 1; }
.field-label {
  position: absolute;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 10px;
  border-left: 1px solid rgba(169, 221, 230, .35);
  font: 500 9px/1.2 var(--mono);
  letter-spacing: .12em;
}
.field-label span { color: #b7c8d4; }
.field-label b { color: var(--accent); font-weight: 400; }
.label-region { top: 25%; right: 13%; }
.label-depth { top: 47%; right: 38%; }
.label-state { bottom: 17%; right: 17%; }
.label-object { top: 20%; left: 35%; }
.coordinate { position: absolute; z-index: 2; color: var(--faint); font: 9px var(--mono); letter-spacing: .13em; }
.coordinate-x { right: 4%; bottom: 7%; }
.coordinate-y { top: 17%; right: 3%; transform: rotate(90deg); transform-origin: right; }
.hero-edition { position: absolute; z-index: 3; top: 117px; right: max(48px, calc((100vw - 1360px)/2)); color: #718198; font: 9px var(--mono); letter-spacing: .17em; }
.hero-copy {
  position: absolute;
  z-index: 4;
  left: max(48px, calc((100vw - 1360px)/2));
  bottom: 15.5%;
  width: min(900px, calc(100% - 96px));
}
.eyebrow { margin-bottom: 25px; color: #afbecd; }
.hero h1 {
  max-width: 930px;
  margin: 0 0 27px;
  font-size: clamp(66px, 7.6vw, 126px);
  font-weight: 300;
  line-height: .87;
  letter-spacing: -.073em;
  text-wrap: balance;
}
.hero h1 em { color: var(--accent); font-family: var(--serif); font-weight: 400; }
.hero-intro { max-width: 555px; margin: 0; color: #aab6c7; font-size: 14px; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 35px; margin-top: 31px; }
.text-cta {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  min-width: 205px;
  padding-block: 8px;
  border-bottom: 1px solid rgba(217, 222, 231, .44);
  color: var(--ink-soft);
  font-size: 11px;
  letter-spacing: .02em;
  transition: color .2s ease, border-color .2s ease, gap .2s ease;
}
.text-cta:hover { color: #fff; border-color: #fff; gap: 40px; }
.text-cta-accent { border-color: var(--accent); color: var(--accent); }
.hero-axis {
  position: absolute;
  z-index: 4;
  top: 49%;
  right: max(48px, calc((100vw - 1360px)/2));
  display: flex;
  align-items: center;
  width: min(365px, 29vw);
  color: #75869d;
  font: 9px var(--mono);
  letter-spacing: .14em;
}
.hero-axis i { height: 1px; flex: 1; margin: 0 11px; background: var(--line); }
.hero-axis strong { color: var(--gold); font-weight: 500; }
.scroll-cue {
  position: absolute;
  z-index: 4;
  left: max(48px, calc((100vw - 1360px)/2));
  bottom: 30px;
  display: flex;
  align-items: center;
  gap: 15px;
  color: #718198;
  font: 8px var(--mono);
  letter-spacing: .16em;
}
.scroll-cue i { width: 90px; height: 1px; background: var(--line); position: relative; overflow: hidden; }
.scroll-cue i::after { content: ""; position: absolute; width: 24px; height: 1px; background: var(--accent); animation: scan-line 3s ease-in-out infinite; }

/* Statement */
.statement { padding-block: clamp(150px, 18vw, 280px); display: grid; grid-template-columns: .33fr 1fr; gap: 40px; }
.statement-copy { max-width: 1010px; }
.statement h2 { margin: 0; font-size: clamp(41px, 5.6vw, 86px); line-height: 1.05; letter-spacing: -.062em; font-weight: 300; }
.statement h2 span, .statement h2 strong { display: block; }
.statement h2 span { color: #75839a; }
.statement h2 em { color: var(--ink-soft); font-family: var(--serif); font-weight: 400; }
.statement h2 strong { margin-top: 16px; color: var(--ink); font-weight: 350; }
.statement-copy > p { width: min(500px, 100%); margin: 45px 0 0 auto; color: var(--muted); font-size: 14px; }

/* Shared headings */
.section-heading { display: grid; grid-template-columns: 1fr .38fr; gap: 80px; align-items: end; }
.section-heading h2, .representation-head h2, .graph-copy h2, .process h2, .scales-copy h2, .time-head h2, .applications h2, .why h2, .principles h2 {
  margin: 25px 0 0;
  font-size: clamp(44px, 5.2vw, 78px);
  font-weight: 320;
  line-height: .97;
  letter-spacing: -.065em;
}
.section-heading > p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }

/* Layer strata */
.layers { padding-bottom: clamp(140px, 16vw, 240px); }
.strata { position: relative; margin-top: 90px; padding: 18px 0 0; perspective: 900px; }
.strata::before { content: "WORLD REPRESENTATION / COMPOSITE"; position: absolute; top: -16px; right: 0; color: var(--faint); font: 8px var(--mono); letter-spacing: .14em; }
.stratum {
  position: relative;
  min-height: 106px;
  display: grid;
  grid-template-columns: 60px minmax(180px, .75fr) 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 20px 27px;
  border-top: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(169, 221, 230, .035), transparent 70%);
  transform: perspective(1000px) rotateX(1.5deg);
  transform-origin: top;
  transition: background .3s ease, transform .3s ease;
}
.stratum:last-child { border-bottom: 1px solid var(--line); }
.stratum:nth-child(2) { margin-inline: 1.6%; }
.stratum:nth-child(3) { margin-inline: 3.1%; }
.stratum:nth-child(4) { margin-inline: 4.7%; }
.stratum:nth-child(5) { margin-inline: 6.2%; }
.stratum:nth-child(6) { margin-inline: 7.8%; }
.stratum:hover { background: rgba(157, 215, 223, .07); transform: translateY(-3px); }
.stratum > span { color: var(--faint); font: 9px var(--mono); }
.stratum h3 { margin: 0; font-family: var(--serif); font-size: 30px; font-weight: 400; letter-spacing: -.04em; }
.stratum p { margin: 0; color: var(--ink-soft); font-size: 14px; }
.stratum i { color: var(--accent-soft); font: normal 8px var(--mono); letter-spacing: .12em; }

/* Frame / world contrast */
.representation { padding-block: clamp(130px, 15vw, 220px); overflow: hidden; background: #d8dfe4; color: #18263a; }
.representation .section-index, .representation .side-tag { color: #526a7d; }
.representation-head { display: grid; grid-template-columns: .3fr 1fr .55fr; gap: 40px; align-items: end; }
.representation-head h2 { margin: 0; }
.representation-head > p:last-child { margin: 0; color: #526273; font-size: 14px; line-height: 1.75; }
.frame-world { margin-top: 105px; display: grid; grid-template-columns: 1fr 135px 1.18fr; align-items: center; gap: 25px; }
.frame-side h3, .world-side h3 { margin: 18px 0 22px; font-size: clamp(70px, 8vw, 126px); font-weight: 280; line-height: .8; letter-spacing: -.09em; }
.world-side h3 { font-family: var(--serif); font-weight: 400; }
.frame-side > p, .world-side > p { max-width: 420px; margin: 22px 0 0; color: #5b6978; font-size: 13px; }
.frame-window, .world-window { position: relative; aspect-ratio: 1.72; overflow: hidden; border: 1px solid rgba(24, 38, 58, .22); background: rgba(255,255,255,.12); }
.frame-window { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: rgba(24,38,58,.18); }
.frame-window div { background: #c6cfd6; }
.frame-window div:nth-child(2), .frame-window div:nth-child(3) { background: #bbc6cf; }
.frame-window::after { content: ""; position: absolute; inset: 20% 12%; border: 1px solid rgba(24,38,58,.24); filter: blur(7px); }
.frame-window span, .frame-window b, .frame-window em, .world-window span { position: absolute; font: 8px var(--mono); letter-spacing: .12em; }
.frame-window span { top: 14px; left: 14px; }
.frame-window b { right: 14px; top: 14px; font-weight: 400; }
.frame-window em { bottom: 14px; left: 14px; font-style: normal; }
.representation-shift { display: flex; flex-direction: column; align-items: center; gap: 13px; color: #556b7b; font: 8px var(--mono); letter-spacing: .12em; }
.representation-shift i { width: 1px; height: 88px; background: rgba(24,38,58,.25); }
.representation-shift b { color: #32556b; font-size: 25px; font-weight: 300; }
.world-window svg { width: 100%; height: 100%; }
.world-window path, .world-window circle { vector-effect: non-scaling-stroke; }
.world-boundary { fill: rgba(70,111,130,.07); stroke: #365b70; stroke-width: 1.2; }
.world-relation { fill: none; stroke: rgba(54,91,112,.45); stroke-width: 1; }
.world-object circle { fill: #315d72; stroke: #d8dfe4; stroke-width: 4; }
.world-rings circle { fill: none; stroke: rgba(49,93,114,.28); stroke-width: 1; }
.ww-a { top: 12%; left: 22%; }.ww-b { top: 18%; right: 8%; }.ww-c { bottom: 13%; left: 9%; }.ww-d { bottom: 10%; right: 8%; }

/* World graph */
.graph { padding-block: clamp(140px, 16vw, 240px); display: grid; grid-template-columns: .68fr 1.32fr; gap: 70px; align-items: center; }
.graph-copy p:not(.section-index) { max-width: 430px; margin: 30px 0 0; color: var(--muted); font-size: 14px; }
.graph-key { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 48px; color: var(--faint); font: 8px var(--mono); letter-spacing: .13em; }
.graph-key span { display: flex; align-items: center; gap: 8px; }
.graph-key i { width: 7px; height: 7px; border: 1px solid var(--accent-soft); border-radius: 50%; }
.world-graph { position: relative; min-height: 600px; border-left: 1px solid var(--line-soft); }
.world-graph svg { width: 100%; height: 100%; position: absolute; inset: 0; }
.graph-links path { fill: none; stroke: rgba(157,215,223,.29); stroke-width: 1; }
.graph-halos circle { fill: none; stroke: rgba(157,215,223,.13); stroke-width: 1; }
.graph-nodes circle { fill: var(--accent); stroke: var(--bg); stroke-width: 5; }
.sub-nodes circle { fill: var(--gold); }
.graph-label { position: absolute; display: flex; flex-direction: column; gap: 4px; padding: 7px 9px; background: rgba(10,16,32,.77); border-left: 1px solid var(--line); font-family: var(--mono); }
.graph-label b { color: var(--ink-soft); font-size: 8px; letter-spacing: .12em; font-weight: 500; }
.graph-label small { color: var(--faint); font-size: 7px; letter-spacing: .08em; }
.gl-1 { top: 11%; left: 46%; }.gl-2 { top: 32%; left: 18%; }.gl-3 { top: 32%; right: 8%; }
.gl-4 { top: 61%; left: 6%; }.gl-5 { top: 59%; left: 47%; }.gl-6 { bottom: 9%; right: 12%; }

/* Observation process */
.process { padding-block: clamp(140px, 16vw, 220px); background: var(--surface); }
.process-shell { display: grid; grid-template-columns: .7fr 1.3fr; gap: 90px; }
.process header { position: sticky; top: 130px; align-self: start; }
.process-axis { position: relative; margin: 0; padding: 0; list-style: none; }
.process-axis::before { content: ""; position: absolute; top: 0; bottom: 0; left: 74px; width: 1px; background: linear-gradient(var(--accent), var(--line), var(--line)); }
.process-axis li { position: relative; min-height: 145px; display: grid; grid-template-columns: 48px 52px 1fr; gap: 18px; align-items: start; }
.process-axis li > span { padding-top: 9px; color: var(--faint); font: 9px var(--mono); }
.process-axis li > i { position: relative; width: 13px; height: 13px; margin: 7px auto 0; border: 1px solid var(--accent-soft); border-radius: 50%; background: var(--surface); }
.process-axis li > i::after { content: ""; position: absolute; inset: 3px; border-radius: inherit; background: var(--accent); opacity: .15; }
.process-axis li.in-view > i::after { animation: node-breathe 2.4s ease-in-out 1; }
.process-axis h3 { margin: 0 0 7px; font-family: var(--serif); font-size: 32px; font-weight: 400; letter-spacing: -.04em; }
.process-axis p { margin: 0; color: var(--muted); font-size: 13px; }

/* Scale field */
.scales { padding-block: clamp(140px, 16vw, 230px); display: grid; grid-template-columns: .55fr 1.45fr; gap: 85px; align-items: center; }
.scales-copy p:not(.section-index) { max-width: 420px; margin: 30px 0 0; color: var(--muted); font-size: 14px; }
.scale-field { position: relative; min-height: 650px; }
.scale-boundary { position: absolute; border: 1px solid rgba(157,215,223,.23); transition: border-color .3s ease, background .3s ease; }
.scale-boundary span { position: absolute; top: 10px; left: 12px; color: var(--faint); font: 8px var(--mono); letter-spacing: .12em; }
.scale-boundary span b { color: var(--accent-soft); font-weight: 400; }
.scale-boundary.is-active { border-color: var(--gold); background: rgba(213,193,122,.025); }
.scale-boundary.is-active span { color: var(--gold); }
.scale-6 { inset: 0; }.scale-5 { inset: 7% 8%; }.scale-4 { inset: 15% 17%; }.scale-3 { inset: 25% 27%; }.scale-2 { inset: 36% 38%; }.scale-1 { inset: 46% 47%; min-width: 58px; min-height: 56px; }
.scale-1 span { top: calc(100% + 9px); left: -10px; }
.scale-readout { position: absolute; right: 0; bottom: -38px; display: grid; grid-template-columns: auto auto; column-gap: 18px; align-items: end; padding: 13px 0 0 18px; border-left: 1px solid var(--gold); }
.scale-readout small { grid-column: 1/-1; color: var(--faint); font: 7px var(--mono); letter-spacing: .13em; }
.scale-readout strong { color: var(--gold); font: 400 20px var(--serif); letter-spacing: -.03em; }
.scale-readout span { color: var(--faint); font: 8px var(--mono); }

/* Time */
.time-state { padding-block: clamp(140px, 15vw, 215px); background: linear-gradient(105deg, #142137, #0f192b); }
.time-head { display: grid; grid-template-columns: 1fr .45fr; gap: 70px; align-items: end; }
.time-head > p { margin: 0; color: var(--muted); font-size: 14px; }
.temporal-strip { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 100px; border-top: 1px solid var(--line); }
.time-progress { position: absolute; top: -1px; left: 0; height: 1px; width: 0; background: var(--gold); transition: width .7s ease; }
.time-step { position: relative; min-height: 245px; padding: 27px 23px; border-right: 1px solid var(--line-soft); }
.time-step:last-child { border-right: 0; }
.time-step > span { color: var(--faint); font: 9px var(--mono); }
.time-step i { position: absolute; top: -5px; left: 22px; width: 9px; height: 9px; border-radius: 50%; border: 1px solid var(--accent-soft); background: var(--surface); transition: background .3s ease, box-shadow .3s ease; }
.time-step h3 { margin: 80px 0 7px; color: #afbac8; font: 400 clamp(21px, 2.2vw, 31px) var(--mono); letter-spacing: -.05em; transition: color .3s ease; }
.time-step p { margin: 0; color: var(--faint); font-size: 11px; }
.time-step.is-current i { background: var(--gold); border-color: var(--gold); box-shadow: 0 0 0 6px rgba(213,193,122,.08); }
.time-step.is-current h3 { color: var(--ink); }

/* Applications */
.applications { padding-block: clamp(140px, 16vw, 235px); }
.applications-head { display: grid; grid-template-columns: .3fr 1fr; gap: 30px; }
.applications-head h2 { margin: 0; }
.applications-head em { color: var(--accent); font-family: var(--serif); font-weight: 400; }
.application-index { margin-top: 95px; border-top: 1px solid var(--line); }
.application-index article { display: grid; grid-template-columns: 90px .72fr 1fr; gap: 30px; align-items: center; min-height: 112px; border-bottom: 1px solid var(--line); transition: padding .25s ease, background .25s ease; }
.application-index article:hover { padding-inline: 18px; background: rgba(157,215,223,.035); }
.application-index span { color: var(--faint); font: 9px var(--mono); }
.application-index h3 { margin: 0; font-family: var(--serif); font-size: clamp(25px, 2.4vw, 35px); font-weight: 400; letter-spacing: -.045em; }
.application-index p { max-width: 520px; margin: 0; color: var(--muted); font-size: 13px; }

/* Why now */
.why { padding-bottom: clamp(150px, 18vw, 270px); }
.why-grid { display: grid; grid-template-columns: 1fr .68fr; gap: 100px; margin-top: 28px; }
.why h2 { margin: 0; }
.why-grid div { border-top: 1px solid var(--line); }
.why-grid p { margin: 0; padding: 22px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 14px; line-height: 1.75; }
.why-grid p:last-child { color: var(--ink-soft); font-family: var(--serif); font-size: 21px; }

/* Principles */
.principles { padding-block: clamp(140px, 16vw, 230px); background: #0d1627; }
.principles header { display: grid; grid-template-columns: .3fr 1fr; gap: 30px; }
.principles h2 { margin: 0; }
.principle-index { margin-top: 90px; counter-reset: principles; }
.principle-index article { position: relative; display: grid; grid-template-columns: 70px .65fr 1fr 60px; gap: 25px; min-height: 106px; align-items: center; border-top: 1px solid var(--line); overflow: hidden; }
.principle-index article:last-child { border-bottom: 1px solid var(--line); }
.principle-index article > span { color: var(--faint); font: 9px var(--mono); }
.principle-index h3 { margin: 0; font-size: 22px; font-weight: 400; letter-spacing: -.04em; }
.principle-index p { margin: 0; color: var(--muted); font-size: 13px; }
.principle-index i { color: rgba(157,215,223,.1); font: normal 75px/.8 var(--serif); text-align: right; transition: color .25s ease; }
.principle-index article:hover i { color: rgba(157,215,223,.24); }

/* Manifesto */
.manifesto { position: relative; min-height: 950px; display: flex; align-items: center; overflow: hidden; background: #111c30; }
.manifesto::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(9,16,29,.73), transparent 68%); }
.manifesto-field { position: absolute; inset: 0; }
.manifesto-field svg { width: 100%; height: 100%; }
.manifesto-field g path { fill: none; stroke: rgba(157,215,223,.2); stroke-width: 1; }
.manifesto-plane { fill: rgba(157,215,223,.035); stroke: rgba(157,215,223,.16); stroke-width: 1; animation: depth-drift 18s ease-in-out infinite alternate; transform-origin: center; }
.manifesto-copy { position: relative; z-index: 2; }
.manifesto h2 { max-width: 1100px; margin: 26px 0 50px; font-size: clamp(58px, 8vw, 122px); font-weight: 300; line-height: .86; letter-spacing: -.075em; }
.manifesto-lines { display: flex; flex-wrap: wrap; gap: 10px 34px; max-width: 800px; }
.manifesto-lines span { color: var(--accent); font-family: var(--serif); font-size: clamp(24px, 2.6vw, 38px); }
.manifesto-signature { display: flex; align-items: baseline; gap: 28px; margin-top: 100px; padding-top: 17px; border-top: 1px solid var(--line); }
.manifesto-signature strong { font-size: 16px; font-weight: 500; }
.manifesto-signature p { margin: 0; color: var(--muted); font-size: 12px; }

/* Domain and acquisition */
.domain-status { background: var(--gold); color: #171b20; }
.domain-status .section-shell { min-height: 92px; display: grid; grid-template-columns: 140px auto 1fr auto; gap: 28px; align-items: center; }
.domain-status span, .domain-status b { font: 500 9px var(--mono); letter-spacing: .13em; }
.domain-status strong { font-size: 16px; letter-spacing: -.02em; }
.domain-status i { height: 1px; background: rgba(23,27,32,.3); }
.domain-status b { font-weight: 500; }
.acquire { position: relative; min-height: 800px; display: flex; align-items: center; overflow: hidden; background: #0a1020; }
.acquire-topography { position: absolute; width: 830px; height: 830px; right: -140px; top: -50px; }
.acquire-topography i { position: absolute; border: 1px solid rgba(157,215,223,.12); border-radius: 46% 54% 61% 39% / 48% 37% 63% 52%; transform: rotate(-19deg); }
.acquire-topography i:nth-child(1) { inset: 4%; }.acquire-topography i:nth-child(2) { inset: 12%; }.acquire-topography i:nth-child(3) { inset: 21%; }.acquire-topography i:nth-child(4) { inset: 31%; }.acquire-topography i:nth-child(5) { inset: 42%; border-color: rgba(213,193,122,.28); }
.acquire-shell { position: relative; z-index: 1; }
.acquire h2 { max-width: 1020px; margin: 30px 0 60px; font-size: clamp(56px, 7vw, 105px); font-weight: 300; line-height: .91; letter-spacing: -.072em; }
.acquire h2 em { color: var(--accent); font-family: var(--serif); font-weight: 400; }
.acquire-copy { width: min(570px, 100%); margin-left: 34%; }
.acquire-copy > p { color: var(--muted); font-size: 14px; }
.acquire-copy > p:first-child { color: var(--ink-soft); font-family: var(--serif); font-size: 20px; }
.acquire-link { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 25px; margin-top: 36px; padding: 18px 0; border-top: 1px solid var(--accent); border-bottom: 1px solid var(--line); color: var(--accent); font-size: 14px; transition: padding .25s ease, color .25s ease; }
.acquire-link i { font-style: normal; font-size: 22px; }
.acquire-link:hover { padding-inline: 12px; color: #fff; }
.acquire-copy small { display: block; margin-top: 14px; color: var(--faint); font: 8px var(--mono); letter-spacing: .1em; }

/* Footer */
.site-footer { background: var(--footer); color: var(--footer-ink); }
.footer-shell { width: var(--container); min-height: 290px; margin: auto; padding: 55px 0 32px; display: grid; grid-template-columns: 1fr 1fr; align-content: space-between; gap: 50px; }
.site-footer .brand span, .site-footer .brand b { color: var(--footer-ink); }
.site-footer .brand-mark { stroke: #456b7d; }
.footer-brand p { margin: 13px 0 0 42px; color: #596b78; font-size: 12px; }
.site-footer nav { display: flex; justify-content: flex-end; gap: 30px; font-size: 11px; }
.site-footer nav a { border-bottom: 1px solid transparent; }
.site-footer nav a:hover { border-color: #456b7d; }
.footer-meta { grid-column: 1/-1; display: flex; justify-content: space-between; padding-top: 18px; border-top: 1px solid rgba(21,34,56,.22); color: #667580; font: 9px var(--mono); letter-spacing: .08em; }

/* Reveals and motion */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .85s ease, transform .85s cubic-bezier(.2,.8,.2,1); }
[data-reveal].in-view { opacity: 1; transform: none; }
@keyframes contour-drift { to { transform: translate3d(1.2%, -1.3%, 0) scale(1.012); } }
@keyframes depth-drift { to { transform: translate3d(-1%, 1.2%, 0) scale(1.025); } }
@keyframes node-breathe { 50% { opacity: .45; } }
@keyframes scan-line { 0%, 100% { transform: translateX(-30px); opacity: 0; } 50% { transform: translateX(95px); opacity: 1; } }

/* Tablet */
@media (max-width: 1024px) {
  :root { --container: min(100% - 56px, 1360px); }
  .site-header { padding-inline: 28px; }
  .primary-nav { gap: 18px; }
  .hero-copy { left: 28px; width: calc(100% - 56px); }
  .hero-edition, .hero-axis { right: 28px; }
  .scroll-cue { left: 28px; }
  .statement { grid-template-columns: .2fr 1fr; }
  .representation-head { grid-template-columns: .22fr 1fr; }
  .representation-head > p:last-child { grid-column: 2; }
  .frame-world { grid-template-columns: 1fr 75px 1fr; }
  .graph { grid-template-columns: .75fr 1.25fr; gap: 35px; }
  .process-shell { gap: 55px; }
  .scales { grid-template-columns: .7fr 1.3fr; gap: 50px; }
  .scale-field { min-height: 540px; }
  .applications-head, .principles header { grid-template-columns: .22fr 1fr; }
  .acquire-copy { margin-left: 25%; }
}

/* Mobile navigation and single-column sections */
@media (max-width: 800px) {
  :root { --container: min(100% - 40px, 1360px); }
  .site-header { height: 68px; padding-inline: 20px; }
  .nav-toggle { display: grid; width: 42px; height: 42px; place-content: center; gap: 6px; padding: 0; }
  .nav-toggle > span:not(.sr-only) { display: block; width: 20px; height: 1px; background: currentColor; transition: transform .25s ease; }
  .nav-toggle[aria-expanded="true"] > span:nth-child(2) { transform: translateY(3.5px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-3.5px) rotate(-45deg); }
  .primary-nav { position: absolute; top: 68px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 20px 22px; background: rgba(8,15,29,.97); border-bottom: 1px solid var(--line); }
  .primary-nav.is-open { display: flex; }
  .primary-nav > a:not(.nav-acquire) { padding: 13px 0; border-bottom: 1px solid var(--line-soft); }
  .nav-acquire { margin: 9px 0 0; padding: 13px 0; }
  .hero { min-height: 860px; }
  .hero::before { background: linear-gradient(90deg, rgba(7,14,27,.85), transparent), linear-gradient(0deg, rgba(6,12,24,.8), transparent 55%); }
  .hero h1 { font-size: clamp(56px, 11vw, 82px); max-width: 720px; }
  .hero-copy { bottom: 13%; }
  .hero-edition { top: 96px; }
  .label-object { left: 14%; }.label-depth { right: 28%; }.label-region { right: 8%; }
  .hero-axis { top: 45%; width: 45vw; }
  .statement, .section-heading, .graph, .process-shell, .scales, .time-head, .why-grid { grid-template-columns: 1fr; }
  .statement { gap: 35px; }
  .statement-copy > p { margin-left: 0; }
  .section-heading { gap: 28px; }
  .stratum { grid-template-columns: 40px .7fr 1fr; }
  .stratum i { display: none; }
  .representation-head { grid-template-columns: 1fr; gap: 22px; }
  .representation-head > p:last-child { grid-column: auto; }
  .frame-world { grid-template-columns: 1fr; gap: 45px; }
  .representation-shift { flex-direction: row; justify-content: center; }
  .representation-shift i { width: 75px; height: 1px; }
  .world-graph { min-height: 580px; border-left: 0; border-top: 1px solid var(--line-soft); }
  .process header { position: static; margin-bottom: 60px; }
  .scales { gap: 60px; }
  .scale-field { min-height: 600px; }
  .temporal-strip { grid-template-columns: 1fr 1fr; }
  .time-step:nth-child(3) { border-right: 0; }
  .time-step { min-height: 190px; border-bottom: 1px solid var(--line-soft); }
  .time-step h3 { margin-top: 55px; }
  .time-step i { display: none; }
  .time-progress { display: none; }
  .applications-head, .principles header { grid-template-columns: 1fr; gap: 25px; }
  .application-index article { grid-template-columns: 55px .8fr 1fr; }
  .why-grid { gap: 45px; }
  .manifesto { min-height: 780px; }
  .domain-status .section-shell { min-height: 120px; grid-template-columns: 1fr auto; gap: 8px 20px; }
  .domain-status i { display: none; }
  .domain-status b { text-align: right; }
  .acquire-copy { margin-left: 0; }
  .footer-shell { grid-template-columns: 1fr; }
  .site-footer nav { justify-content: flex-start; }
  .footer-meta { grid-column: 1; }
}

@media (max-width: 520px) {
  :root { --container: calc(100% - 36px); }
  .brand span { font-size: 16px; }
  .brand-mark { width: 28px; height: 28px; }
  .hero { min-height: 790px; }
  .world-field { inset: 0 -58% 0 -18%; opacity: .82; }
  .world-field::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,14,27,.88) 0%, rgba(7,14,27,.25) 80%); }
  .field-label { z-index: 3; }
  .label-region { right: 18%; top: 24%; }
  .label-state { right: 16%; bottom: 23%; }
  .label-depth { left: 25%; top: 43%; right: auto; }
  .label-object, .label-depth, .coordinate { display: none; }
  .hero-edition { top: 92px; left: 18px; right: auto; }
  .hero-copy { left: 18px; bottom: 11.5%; width: calc(100% - 36px); }
  .eyebrow { margin-bottom: 18px; font-size: 8px; }
  .hero h1 { max-width: 390px; margin-bottom: 22px; font-size: clamp(50px, 14.5vw, 64px); line-height: .9; letter-spacing: -.068em; }
  .hero-intro { max-width: 350px; font-size: 13px; line-height: 1.65; }
  .hero-actions { display: grid; gap: 12px; margin-top: 23px; }
  .text-cta { width: 100%; min-width: 0; }
  .hero-axis { top: 38%; left: 18px; right: auto; width: calc(100% - 36px); }
  .scroll-cue { display: none; }
  .statement { padding-block: 115px; }
  .statement h2 { font-size: 39px; }
  .statement h2 strong { margin-top: 25px; }
  .statement-copy > p { margin-top: 35px; }
  .section-heading h2, .representation-head h2, .graph-copy h2, .process h2, .scales-copy h2, .time-head h2, .applications h2, .why h2, .principles h2 { font-size: 43px; }
  .layers { padding-bottom: 120px; }
  .strata { margin-top: 58px; }
  .stratum, .stratum:nth-child(n) { min-height: 104px; margin-inline: 0; grid-template-columns: 29px 1fr; gap: 10px; padding: 17px 10px; }
  .stratum h3 { font-size: 25px; }
  .stratum p { grid-column: 2; font-size: 12px; }
  .representation { padding-block: 105px; }
  .frame-world { margin-top: 75px; }
  .frame-side h3, .world-side h3 { font-size: 69px; }
  .frame-window, .world-window { aspect-ratio: 1.28; }
  .graph { padding-block: 115px; }
  .world-graph { width: 150%; min-height: 485px; margin-left: -25%; }
  .graph-label { transform: scale(.88); }
  .gl-1 { left: 43%; }.gl-2 { left: 12%; }.gl-3 { right: 5%; }.gl-5 { left: 44%; }
  .process { padding-block: 110px; }
  .process-axis::before { left: 50px; }
  .process-axis li { min-height: 127px; grid-template-columns: 30px 22px 1fr; gap: 10px; }
  .process-axis h3 { font-size: 27px; }
  .scales { padding-block: 115px; }
  .scale-field { min-height: 390px; }
  .scale-boundary span { font-size: 6px; top: 6px; left: 7px; }
  .scale-1 { min-width: 36px; min-height: 34px; }
  .scale-readout { bottom: -48px; }
  .time-state { padding-block: 110px; }
  .temporal-strip { margin-top: 65px; }
  .time-step { min-height: 160px; padding: 20px 14px; }
  .time-step h3 { margin-top: 37px; font-size: 19px; }
  .applications { padding-block: 115px; }
  .application-index { margin-top: 60px; }
  .application-index article { grid-template-columns: 35px 1fr; gap: 8px; padding: 20px 0; }
  .application-index article:hover { padding-inline: 5px; }
  .application-index h3 { font-size: 25px; }
  .application-index p { grid-column: 2; font-size: 12px; }
  .why { padding-bottom: 125px; }
  .principles { padding-block: 110px; }
  .principle-index { margin-top: 60px; }
  .principle-index article { grid-template-columns: 30px 1fr 38px; gap: 8px; min-height: 128px; padding: 18px 0; }
  .principle-index p { grid-column: 2; font-size: 12px; }
  .principle-index i { grid-column: 3; grid-row: 1 / span 2; font-size: 53px; }
  .manifesto { min-height: 720px; }
  .manifesto h2 { font-size: 55px; }
  .manifesto-lines { display: grid; gap: 4px; }
  .manifesto-lines span { font-size: 27px; }
  .manifesto-signature { display: block; margin-top: 70px; }
  .manifesto-signature p { margin-top: 6px; }
  .domain-status .section-shell { padding-block: 20px; }
  .domain-status strong { font-size: 13px; }
  .domain-status b { font-size: 7px; }
  .acquire { min-height: 690px; }
  .acquire h2 { margin-bottom: 45px; font-size: 52px; }
  .acquire-topography { width: 520px; height: 520px; right: -350px; top: 90px; }
  .footer-shell { min-height: 360px; padding-top: 45px; }
  .site-footer nav { flex-wrap: wrap; gap: 18px 24px; }
  .footer-meta { display: grid; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .contour-a, .contour-b, .nodes circle, .scroll-cue i::after, .manifesto-plane, .process-axis li.in-view > i::after { animation: none; }
  .time-progress, .time-step i, .time-step h3, .scale-boundary, .nav-toggle > span:not(.sr-only) { transition: none; }
}