:root {
  --ink: #e4e8e7;
  --muted: #aab8b9;
  --line: rgba(221, 235, 234, 0.22);
  --panel: rgba(6, 15, 19, 0.48);
  --accent: #99d6d1;
  --button-ink: #0b1b22;
  --bg: #07131c;
  --stage-color: #7ae0d6;
  --stage-hot: #ffad43;
  --stage-line: rgba(122, 224, 214, 0.38);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background: #06090d;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

button, a { font: inherit; }
button { cursor: pointer; }

.experience {
  isolation: isolate;
  height: 100svh;
  min-height: 100svh;
  overflow: hidden;
  position: relative;
  display: grid;
  grid-template-columns: minmax(260px, 21vw) 1fr;
  grid-template-rows: 92px minmax(0, 1fr) 88px 62px;
  padding: 0 3.1vw;
  background: var(--bg);
  transition: color 500ms ease, background-color 500ms ease;
}

#world-canvas, .scene-media, .noise, .scrim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

#world-canvas { z-index: -5; }
.scene-media { z-index: -4; overflow: hidden; perspective: 1400px; }
.scene-image { position: absolute; display: block; max-width: none; user-select: none; pointer-events: none; transition: opacity 700ms ease, transform 900ms ease, filter 700ms ease; }
.scene-grid { position: absolute; inset: 0; opacity: 0.14; background-image: linear-gradient(90deg, transparent 49.85%, var(--line) 50%, transparent 50.15%), linear-gradient(0deg, transparent 49.85%, var(--line) 50%, transparent 50.15%); background-size: 8vw 8vw; mask-image: linear-gradient(90deg, transparent, #000 34%, #000 92%, transparent); }
.simulation-twin {
  position: absolute;
  right: 3vw;
  bottom: -10vh;
  height: min(92vh, 980px);
  opacity: 0.31;
  mix-blend-mode: screen;
  clip-path: polygon(0 6%, 100% 6%, 100% 20%, 0 25%, 0 33%, 100% 28%, 100% 52%, 0 58%, 0 69%, 100% 62%, 100% 100%, 0 100%);
  transform: translate3d(calc(var(--pointer-x, 0) * -10px), calc(var(--pointer-y, 0) * -7px), 0) translateX(3.8vw);
  transition: opacity 700ms ease, filter 700ms ease, transform 180ms ease-out;
}
.simulation-twin img { display: block; height: 100%; filter: grayscale(0.15) contrast(1.7) brightness(0.86) sepia(1) saturate(5.4) hue-rotate(334deg); }
.training-volume {
  position: absolute;
  right: 8.5vw;
  top: 14%;
  width: min(42vw, 650px);
  height: 67%;
  opacity: 0.72;
  transform: translate3d(calc(var(--pointer-x, 0) * 9px), calc(var(--pointer-y, 0) * 6px), 0) perspective(1100px) rotateY(-7deg) rotateX(2deg);
  transform-style: preserve-3d;
  transition: opacity 700ms ease, transform 180ms ease-out;
}
.training-volume > span { position: absolute; display: block; }
.volume-edge { border: 1px solid var(--stage-line); }
.edge-a { inset: 0 10% 4% 0; }
.edge-b { inset: 8% 0 0 11%; transform: translateZ(-35px); border-color: rgba(255, 173, 67, 0.28); }
.edge-c { left: 23%; top: 0; bottom: 4%; width: 1px; border: 0; background: linear-gradient(180deg, transparent, var(--stage-line) 22%, var(--stage-line) 76%, transparent); }
.edge-d { left: 0; right: 10%; top: 62%; height: 1px; border: 0; background: linear-gradient(90deg, transparent, var(--stage-line) 18%, var(--stage-line) 82%, transparent); }
.volume-depth { width: 15%; height: 1px; background: var(--stage-line); transform-origin: left center; }
.depth-a { left: 0; top: 0; transform: rotate(22deg); }
.depth-b { right: 10%; top: 0; transform: rotate(22deg); }
.depth-c { left: 0; bottom: 4%; transform: rotate(-18deg); }
.depth-d { right: 10%; bottom: 4%; transform: rotate(-18deg); }
.volume-node { width: 7px; height: 7px; border: 1px solid var(--stage-hot); background: rgba(5, 14, 18, 0.72); box-shadow: 0 0 18px color-mix(in srgb, var(--stage-hot), transparent 35%); transform: rotate(45deg); }
.node-a { left: -3px; top: -3px; }.node-b { right: calc(10% - 3px); top: calc(62% - 3px); }.node-c { right: calc(10% - 3px); bottom: calc(4% - 3px); }
.sensor-cloud { position: absolute; right: 2vw; top: 12%; width: min(48vw, 760px); height: 72%; opacity: 0.8; transform: translate3d(calc(var(--pointer-x, 0) * 16px), calc(var(--pointer-y, 0) * 12px), 0); transition: opacity 700ms ease, transform 180ms ease-out; }
.sensor-cloud i { position: absolute; left: var(--cloud-x); top: var(--cloud-y); width: calc(1px + var(--cloud-z) * 0.22px); height: calc(1px + var(--cloud-z) * 0.22px); background: var(--stage-color); box-shadow: 0 0 calc(3px + var(--cloud-z) * 1px) var(--stage-color); opacity: calc(0.16 + var(--cloud-z) * 0.08); animation: sensor-breathe 3.8s var(--cloud-delay) ease-in-out infinite alternate; }
@keyframes sensor-breathe { from { transform: translateY(-2px); opacity: 0.18; } to { transform: translateY(3px); opacity: 0.86; } }
.contact-orbit { position: absolute; right: 4vw; bottom: 5.8vh; width: min(52vw, 790px); height: 23vh; transform: translate3d(calc(var(--pointer-x, 0) * -8px), calc(var(--pointer-y, 0) * -4px), 0) rotate(-4deg); transition: transform 180ms ease-out, opacity 700ms ease; }
.orbit-trace { position: absolute; inset: 12% 3% 8%; border: 1px solid rgba(255, 173, 67, 0.52); border-left-color: transparent; border-bottom-color: var(--stage-color); border-radius: 50%; filter: drop-shadow(0 0 7px rgba(255, 173, 67, 0.2)); }
.orbit-point { position: absolute; left: 14%; top: 55%; width: 8px; height: 8px; border: 1px solid #fff0ca; background: var(--stage-hot); box-shadow: 0 0 22px var(--stage-hot); transform: rotate(45deg); animation: contact-travel 6.5s ease-in-out infinite alternate; }
@keyframes contact-travel { to { left: 78%; top: 23%; } }
.stage-floor { position: absolute; right: -8vw; bottom: -19vh; width: 78vw; height: 49vh; opacity: 0.55; background-image: linear-gradient(90deg, transparent 49.75%, var(--stage-line) 50%, transparent 50.25%), linear-gradient(0deg, transparent 49.75%, var(--stage-line) 50%, transparent 50.25%); background-size: 7.2vw 7.2vw; mask-image: linear-gradient(0deg, #000 18%, rgba(0,0,0,0.72) 46%, transparent 96%), linear-gradient(90deg, transparent, #000 18%, #000 88%, transparent); mask-composite: intersect; transform-origin: 50% 100%; transform: perspective(640px) rotateX(61deg) translate3d(calc(var(--pointer-x, 0) * 5px), 0, 0); transition: opacity 700ms ease, transform 180ms ease-out; }
.scene-scale { position: absolute; bottom: 19%; right: 11.5vw; width: 118px; display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 8px; font-weight: 700; }
.scene-scale i { display: block; flex: 1; height: 1px; background: var(--accent); position: relative; }
.scene-scale i::before, .scene-scale i::after { content: ""; position: absolute; top: -4px; width: 1px; height: 9px; background: var(--accent); }
.scene-scale i::before { left: 0; }.scene-scale i::after { right: 0; }
.image-ameca { display: block; height: min(89vh, 940px); right: 7vw; bottom: -9vh; opacity: 0.74; filter: grayscale(0.48) contrast(1.38) brightness(0.82) saturate(1.8) hue-rotate(338deg); mix-blend-mode: screen; mask-image: linear-gradient(180deg, transparent 0%, #000 20%, #000 77%, transparent 100%), linear-gradient(90deg, transparent 0%, #000 35%); mask-composite: intersect; }
.image-nao { height: min(70vh, 690px); left: 26vw; bottom: -6vh; opacity: 0; filter: grayscale(1) contrast(1.26) brightness(0.55) sepia(0.44) hue-rotate(340deg) saturate(0.86); mix-blend-mode: screen; transform: translateY(6%); mask-image: linear-gradient(180deg, transparent, #000 18%, #000 78%, transparent); }
.image-figure { height: min(92vh, 940px); right: 8vw; bottom: -14vh; opacity: 0; filter: contrast(1.28) brightness(0.63) saturate(1.32) hue-rotate(337deg); mix-blend-mode: normal; transform: translateY(8%); mask-image: linear-gradient(180deg, transparent, #000 19%, #000 82%, transparent), linear-gradient(90deg, transparent, #000 34%); mask-composite: intersect; }
.image-balfron { width: 100vw; min-height: 100vh; object-fit: cover; object-position: 60% center; opacity: 0.08; filter: grayscale(1) contrast(1.55) brightness(0.56) sepia(0.28) hue-rotate(105deg) saturate(0.8); mix-blend-mode: screen; }
.noise {
  z-index: -2;
  opacity: 0.14;
  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='.8'/%3E%3C/svg%3E");
}
.scrim {
  z-index: -1;
  background: linear-gradient(90deg, rgba(4, 12, 17, 0.84) 0%, rgba(5, 15, 21, 0.38) 35%, rgba(5, 13, 17, 0.1) 72%, rgba(4, 10, 14, 0.46) 100%), linear-gradient(0deg, rgba(2, 8, 12, 0.72) 0%, transparent 30%, transparent 65%, rgba(1, 7, 10, 0.36) 100%);
}

.masthead, .index-panel, .hero, .interaction-band, .footer { z-index: 2; }
.section-rail { position: absolute; z-index: 3; right: 3.1vw; bottom: 12.4vh; display: grid; gap: 8px; text-align: right; }
.section-rail a { color: rgba(225, 235, 235, 0.5); text-decoration: none; font-size: 8px; font-weight: 700; letter-spacing: 0.08em; transition: color 180ms ease, transform 180ms ease; }
.section-rail a span { display: inline-block; width: 20px; color: var(--accent); }
.section-rail a:hover, .section-rail a:focus-visible, .section-rail a.is-current { color: var(--ink); outline: none; transform: translateX(-4px); }

.experience[data-mode="flood"] .image-balfron { opacity: 0.13; transform: scale(1.04); }
.experience[data-mode="flood"] .image-ameca { opacity: 0.72; transform: translateX(0); }
.experience[data-mode="chamber"] .image-ameca { opacity: 0.42; right: 3vw; transform: translateX(3%); filter: grayscale(0.35) contrast(1.5) brightness(0.65) saturate(1.8) hue-rotate(329deg); }
.experience[data-mode="chamber"] .image-nao { opacity: 0; transform: translateY(6%); }
.experience[data-mode="chamber"] .image-figure { opacity: 0.34; right: 18vw; transform: translateY(0) scale(1.02); }
.experience[data-mode="chamber"] .image-balfron { opacity: 0.26; object-position: 78% 45%; filter: grayscale(1) contrast(1.55) brightness(0.45) sepia(0.7) hue-rotate(350deg) saturate(0.7); }
.experience[data-mode="signal"] .image-ameca { opacity: 0.4; right: 7vw; filter: grayscale(0.72) contrast(1.5) brightness(0.58) sepia(0.78) hue-rotate(37deg) saturate(1.5); mix-blend-mode: screen; }
.experience[data-mode="signal"] .image-nao { opacity: 0.22; left: 47vw; bottom: -15vh; filter: grayscale(1) contrast(1.55) brightness(0.48) sepia(0.72) hue-rotate(40deg) saturate(0.65); }
.experience[data-mode="signal"] .image-figure { opacity: 0.11; right: 3vw; filter: grayscale(1) contrast(1.65) brightness(0.34) sepia(0.75) hue-rotate(44deg) saturate(0.52); }
.experience[data-mode="signal"] .image-balfron { opacity: 0.48; object-position: 58% center; filter: grayscale(1) contrast(1.75) brightness(0.44) sepia(0.73) hue-rotate(42deg) saturate(0.52); transform: scale(1.02); }
.experience[data-mode="signal"] .scene-grid { opacity: 0.29; background-size: 9vw 9vw; }

.masthead {
  grid-column: 1 / -1;
  height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.wordmark-logo { display: block; width: clamp(150px, 13vw, 176px); height: auto; }
.system-status, .footer, .eyebrow, .readout-label, .option-index, .instruction, .enter-button {
  font-size: 10px;
  line-height: 1.35;
  font-weight: 700;
}
.system-status { color: var(--muted); margin-left: auto; margin-right: 34px; }
.status-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 16px var(--accent); margin-right: 7px; vertical-align: 1px; }

.menu-button {
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  background: rgba(8, 15, 17, 0.22);
  display: grid;
  place-content: center;
  gap: 5px;
  transition: background 200ms ease, border-color 200ms ease;
}
.menu-button:hover, .menu-button:focus-visible { background: var(--accent); border-color: var(--accent); }
.menu-button span { display: block; width: 14px; height: 1px; background: var(--ink); }
.menu-button:hover span, .menu-button:focus-visible span { background: var(--button-ink); }

.index-panel {
  padding-top: 9.3vh;
  padding-right: 3.2vw;
  border-right: 1px solid var(--line);
  align-self: stretch;
}
.eyebrow { color: var(--muted); margin: 0 0 25px; }
.world-selector { display: grid; }
.world-option {
  position: relative;
  min-height: 98px;
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 8px;
  align-content: center;
  text-align: left;
  color: var(--muted);
  border: 0;
  border-top: 1px solid var(--line);
  background: transparent;
  padding: 16px 0;
  transition: color 250ms ease, padding-left 250ms ease;
}
.world-option:last-child { border-bottom: 1px solid var(--line); }
.world-option::after {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: scaleY(0);
  transform-origin: center;
  background: var(--accent);
  transition: transform 250ms ease;
}
.world-option:hover, .world-option:focus-visible, .world-option.is-active { color: var(--ink); padding-left: 12px; outline: none; }
.world-option.is-active::after { transform: scaleY(1); }
.option-index { color: var(--accent); }
.option-copy { display: grid; gap: 5px; }
.option-copy strong { font-size: 12px; line-height: 1.15; }
.option-copy small { font-size: 11px; color: var(--muted); }

.hero {
  min-height: 0;
  padding: clamp(28px, 5vh, 52px) 0 clamp(16px, 2.4vh, 28px) clamp(28px, 5vw, 88px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
  position: relative;
}
.hero-copy { max-width: 720px; }
.hero-kicker { margin-bottom: 27px; color: var(--accent); }
h1, h2 { margin: 0; font-weight: 500; }
h1 {
  font-size: clamp(58px, 8vw, 132px);
  line-height: 0.79;
  letter-spacing: 0;
  text-wrap: balance;
}
h1 i { color: var(--accent); font-family: Georgia, 'Times New Roman', serif; font-weight: 400; }
.hero-description { max-width: 325px; margin: 23px 0 0; color: var(--ink); font-size: 15px; line-height: 1.45; }
.world-readout { align-self: flex-end; text-align: right; margin-top: 16px; }
.readout-label { color: var(--accent); margin: 0 0 9px; }
.readout-name { margin: 0; font-size: 16px; font-weight: 700; }
.readout-detail { color: var(--muted); font-size: 11px; line-height: 1.45; margin: 9px 0 0; }
.telemetry { align-self: flex-start; margin-top: 2.2vh; border-top: 1px solid var(--line); width: min(260px, 42vw); }
.telemetry p { display: flex; justify-content: space-between; gap: 20px; margin: 0; padding: 8px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 9px; font-weight: 700; }
.telemetry span { color: var(--accent); }

.interaction-band {
  grid-column: 1 / -1;
  min-height: 88px;
  display: flex;
  align-items: stretch;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
}
.instruction { display: flex; align-items: center; gap: 12px; color: var(--muted); flex: 1; }
.instruction p { margin: 0; }
.instruction-symbol { color: var(--accent); font-size: 21px; font-weight: 400; }
.enter-button {
  width: min(34vw, 390px);
  border: 0;
  border-left: 1px solid var(--line);
  background: var(--accent);
  color: var(--button-ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  transition: filter 200ms ease;
}
.enter-button:hover, .enter-button:focus-visible { filter: brightness(1.12); outline: 1px solid var(--ink); outline-offset: -5px; }
.enter-arrow { font-size: 21px; font-weight: 400; }

.footer { grid-column: 1 / -1; min-height: 62px; color: var(--muted); display: grid; grid-template-columns: 1fr 1fr auto; align-items: center; gap: 20px; }
.footer p { margin: 0; }
.footer p:nth-child(2) { text-align: center; }
.footer p:last-child { color: var(--ink); }

.project-drawer {
  position: absolute;
  z-index: 3;
  top: 92px;
  right: 3.1vw;
  width: min(330px, 90vw);
  padding: 30px;
  display: grid;
  gap: 0;
  background: rgba(8, 18, 21, 0.96);
  border: 1px solid var(--line);
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms ease;
}
.project-drawer.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.project-drawer a { color: var(--ink); text-decoration: none; font-size: 17px; padding: 16px 0; border-top: 1px solid var(--line); }
.project-drawer a:last-child { border-bottom: 1px solid var(--line); }

.world-dialog {
  position: fixed;
  z-index: 5;
  left: 50%;
  top: 50%;
  width: min(560px, calc(100vw - 40px));
  padding: clamp(30px, 5vw, 70px);
  background: rgba(6, 16, 19, 0.94);
  border: 1px solid var(--line);
  box-shadow: 0 22px 90px rgba(0, 0, 0, 0.45);
  transform: translate(-50%, -47%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms ease, transform 250ms ease;
}
.world-dialog.is-open { transform: translate(-50%, -50%); opacity: 1; pointer-events: auto; }
.world-dialog h2 { font-size: clamp(44px, 7vw, 84px); line-height: 0.83; }
.world-dialog p:not(.eyebrow) { max-width: 290px; color: var(--muted); font-size: 14px; line-height: 1.5; margin: 28px 0; }
.dialog-close { position: absolute; top: 15px; right: 18px; color: var(--ink); background: none; border: 0; font-size: 28px; line-height: 1; }
.dialog-return { border: 1px solid var(--accent); background: transparent; color: var(--ink); padding: 13px 15px; font-size: 10px; font-weight: 700; }

.manifest-section { position: relative; display: grid; grid-template-columns: minmax(300px, 0.9fr) minmax(0, 1.32fr); gap: clamp(52px, 10vw, 190px); padding: clamp(84px, 12vw, 170px) 4.2vw; overflow: hidden; background: #cfd2cc; color: #132026; }
.manifest-section::before { content: ""; position: absolute; left: -8vw; bottom: -24vw; width: 62vw; height: 44vw; opacity: 0.19; background-image: linear-gradient(90deg, transparent 49.8%, #304146 50%, transparent 50.2%), linear-gradient(0deg, transparent 49.8%, #304146 50%, transparent 50.2%); background-size: 5vw 5vw; transform: perspective(500px) rotateX(62deg) rotateZ(7deg); pointer-events: none; }
.manifest-intro { align-self: start; position: sticky; top: 42px; }
.manifest-intro .eyebrow { color: #57635d; }
.manifest-intro h2 { font-size: clamp(48px, 7.7vw, 124px); line-height: 0.77; font-weight: 500; }
.manifest-intro h2 i { color: #ce552d; font-family: Georgia, 'Times New Roman', serif; font-weight: 400; }
.manifest-steps { border-top: 1px solid rgba(19, 32, 38, 0.36); }
.method-figure { position: relative; height: clamp(270px, 34vw, 520px); margin: 0; overflow: hidden; border-bottom: 1px solid rgba(19, 32, 38, 0.36); background: #1a2325; }
.method-figure img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 57% 48%; filter: grayscale(0.34) contrast(1.22) saturate(1.24) brightness(0.72); }
.method-figure::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(9,20,22,0.62), transparent 48%, rgba(8,17,18,0.22)), linear-gradient(0deg, rgba(8,18,20,0.72), transparent 42%); pointer-events: none; }
.method-figure figcaption { position: absolute; z-index: 2; left: 22px; right: 22px; bottom: 20px; display: flex; justify-content: space-between; gap: 18px; color: #f1f2ea; font-size: 9px; font-weight: 700; }
.method-figure figcaption span:last-child { color: #ffb146; text-align: right; }
.method-scan { position: absolute; z-index: 1; top: 0; bottom: 0; left: 58%; width: 18%; border-left: 1px solid rgba(126, 225, 218, 0.75); border-right: 1px solid rgba(126, 225, 218, 0.32); background: rgba(77, 219, 206, 0.08); transform: skewX(-7deg); box-shadow: 0 0 36px rgba(77, 219, 206, 0.11); }
.manifest-step { position: relative; display: grid; grid-template-columns: 58px minmax(0, 1fr) minmax(175px, 0.58fr); gap: clamp(18px, 3vw, 52px); align-items: start; min-height: 196px; padding: 28px 0 32px; border-bottom: 1px solid rgba(19, 32, 38, 0.36); }
.manifest-step::after { content: attr(data-step); position: absolute; right: 0; bottom: -10px; color: rgba(19, 32, 38, 0.06); font-size: clamp(82px, 11vw, 180px); font-weight: 700; line-height: 0.75; pointer-events: none; }
.manifest-index { position: relative; z-index: 1; margin: 0; color: #bc4c28; font-size: 12px; font-weight: 700; }
.manifest-kicker { position: relative; z-index: 1; margin: 0 0 15px; color: #526058; font-size: 9px; font-weight: 700; }
.manifest-step h3 { position: relative; z-index: 1; max-width: 430px; margin: 0; font-size: clamp(24px, 3vw, 44px); line-height: 0.98; font-weight: 500; }
.manifest-step > p:last-child { position: relative; z-index: 1; margin: 2px 0 0; color: #405058; font-size: 13px; line-height: 1.5; }
.has-js .reveal { opacity: 0; transform: translateY(22px); transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1); }
.has-js .reveal.is-visible { opacity: 1; transform: translateY(0); }

.proof-section {
  background: #070b10;
  color: #e8edf0;
  padding: clamp(76px, 11vw, 164px) 4.2vw clamp(42px, 6vw, 90px);
  border-top: 1px solid rgba(224, 244, 250, 0.16);
}
.proof-heading { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.62fr); gap: clamp(36px, 7vw, 150px); align-items: end; max-width: 1520px; margin: 0 auto 62px; }
.proof-heading .eyebrow { color: #38d7f7; }
.proof-heading h2, .evidence-section h2 { font-size: clamp(44px, 7.5vw, 124px); line-height: 0.8; font-weight: 500; }
.proof-heading h2 i, .evidence-section h2 i { color: #f6b240; font-family: Georgia, 'Times New Roman', serif; font-weight: 400; }
.proof-intro { max-width: 410px; margin: 0 0 7px; color: #b7c2c9; font-size: 15px; line-height: 1.55; }
.world-comparator { --compare-position: 46%; position: relative; max-width: 1520px; margin: 0 auto; aspect-ratio: 16 / 9; overflow: hidden; background: #08121a; cursor: col-resize; user-select: none; touch-action: none; }
.comparison-image { display: block; width: 100%; height: 100%; object-fit: cover; }
.comparison-overlay { position: absolute; inset: 0; clip-path: inset(0 calc(100% - var(--compare-position)) 0 0); }
.comparison-divider { position: absolute; z-index: 2; top: 0; bottom: 0; left: var(--compare-position); width: 1px; background: rgba(228, 229, 219, 0.28); transform: translateX(-0.5px); pointer-events: none; }
.comparison-handle { position: absolute; top: 50%; left: 50%; width: 52px; height: 52px; display: flex; align-items: center; justify-content: center; gap: 6px; color: #d7d7ce; background: #171a1c; border: 1px solid rgba(226, 227, 216, 0.58); border-radius: 50%; transform: translate(-50%, -50%); box-shadow: 0 5px 20px rgba(0, 0, 0, 0.38); }
.comparison-handle span { font-size: 16px; line-height: 1; }.comparison-handle b { width: 1px; height: 17px; background: rgba(226, 227, 216, 0.38); }
.comparison-label { position: absolute; z-index: 3; top: 23px; color: #effcff; font-size: 10px; font-weight: 700; pointer-events: none; text-shadow: 0 1px 10px #050b0e; }
.comparison-label span { color: #41e3fa; margin-right: 7px; }.compare-label-left { left: 24px; }.compare-label-right { right: 24px; }
.comparison-range { position: absolute; z-index: 4; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: col-resize; }
.proof-footer { max-width: 1520px; margin: 23px auto 0; padding-top: 17px; border-top: 1px solid rgba(224, 244, 250, 0.18); display: grid; grid-template-columns: 1fr 1fr auto; gap: 22px; color: #8ea0aa; font-size: 10px; font-weight: 700; }.proof-footer p { margin: 0; }.proof-footer p:last-child { color: #41e3fa; text-align: right; }

.isaac-study { background: #202020; color: #eeeeea; padding: clamp(76px, 11vw, 164px) 4.2vw clamp(42px, 6vw, 90px); }
.isaac-heading { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.58fr); gap: clamp(36px, 7vw, 150px); align-items: end; max-width: 1280px; margin: 0 auto 48px; }.isaac-heading .eyebrow { color: #b4b4ad; }.isaac-heading h2 { margin: 0; font-size: clamp(44px, 7vw, 116px); line-height: 0.8; font-weight: 500; }.isaac-heading h2 i { color: #d9dbd5; font-family: Georgia, 'Times New Roman', serif; font-weight: 400; }.isaac-heading > p { max-width: 380px; margin: 0 0 6px; color: #b2b2aa; font-size: 15px; line-height: 1.55; }
.isaac-comparator { --compare-position: 52%; position: relative; max-width: 1280px; margin: 0 auto; aspect-ratio: 16 / 9; overflow: hidden; background: #3d3d3d; cursor: col-resize; user-select: none; touch-action: none; border: 1px solid rgba(238, 238, 234, 0.22); }
.isaac-image { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }.isaac-overlay { position: absolute; inset: 0; clip-path: inset(0 calc(100% - var(--compare-position)) 0 0); }.isaac-divider { position: absolute; z-index: 2; top: 0; bottom: 0; left: var(--compare-position); width: 1px; background: rgba(242, 242, 232, 0.35); transform: translateX(-0.5px); pointer-events: none; }.isaac-handle { position: absolute; top: 50%; left: 50%; width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; gap: 5px; color: #e8e8e1; background: #2b2b2b; border: 1px solid rgba(238, 238, 232, 0.58); border-radius: 50%; transform: translate(-50%, -50%); box-shadow: 0 5px 18px rgba(0, 0, 0, 0.38); }.isaac-handle b { width: 1px; height: 14px; background: rgba(238, 238, 232, 0.36); }.isaac-label { position: absolute; z-index: 3; top: 18px; color: #eeeeea; font-size: 9px; font-weight: 700; pointer-events: none; text-shadow: 0 1px 8px #141414; }.isaac-label-left { left: 18px; }.isaac-label-right { right: 18px; }.isaac-range { position: absolute; z-index: 4; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: col-resize; }.isaac-footer { max-width: 1280px; margin: 18px auto 0; display: flex; justify-content: space-between; gap: 20px; color: #a8a8a0; font-size: 9px; font-weight: 700; }.isaac-footer p { margin: 0; }
.training-outputs { max-width: 1280px; margin: clamp(52px, 7vw, 94px) auto 0; display: grid; grid-template-columns: 0.92fr 1.08fr; gap: clamp(18px, 3vw, 42px); border-top: 1px solid rgba(238, 238, 234, 0.22); padding-top: 18px; }
.training-outputs figure { min-width: 0; margin: 0; }
.training-outputs img { display: block; width: 100%; aspect-ratio: 16 / 8.5; object-fit: cover; filter: saturate(0.82) contrast(1.16) brightness(0.78); }
.training-outputs figure:last-child img { object-position: center 42%; }
.training-outputs figcaption { display: flex; justify-content: space-between; gap: 18px; margin-top: 14px; color: #a8a8a0; font-size: 9px; }
.training-outputs figcaption span { color: #d4d5ce; font-weight: 700; }
.training-outputs figcaption b { max-width: 190px; color: #8f918a; text-align: right; font-weight: 400; }

.response-section { overflow: hidden; padding: clamp(84px, 12vw, 170px) 4.2vw clamp(48px, 7vw, 104px); background: #0b1416; color: #e4e7df; }
.response-heading { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.54fr); gap: clamp(42px, 9vw, 180px); align-items: end; max-width: 1520px; margin: 0 auto 58px; }
.response-heading .eyebrow { color: #93cfca; }
.response-heading h2 { margin: 0; font-size: clamp(51px, 8.1vw, 132px); line-height: 0.74; font-weight: 500; }
.response-heading h2 i { color: #f0a93c; font-family: Georgia, 'Times New Roman', serif; font-weight: 400; }
.response-copy { align-self: end; }
.response-copy > p { max-width: 370px; margin: 0 0 27px; color: #aebbb7; font-size: 15px; line-height: 1.55; }
.response-controls { display: grid; grid-template-columns: 1fr 42px; column-gap: 14px; align-items: center; max-width: 345px; padding-top: 13px; border-top: 1px solid rgba(218, 233, 226, 0.22); }
.response-controls label { display: flex; justify-content: space-between; grid-column: 1; color: #91a39f; font-size: 9px; font-weight: 700; letter-spacing: 0.08em; }
.response-controls output { color: #f0ae43; }
.response-controls input { grid-column: 1; width: 100%; height: 18px; accent-color: #f0ae43; }
.response-reset { grid-column: 2; grid-row: 1 / span 2; width: 34px; height: 34px; padding: 0; color: #e5eadf; background: transparent; border: 1px solid rgba(218, 233, 226, 0.34); border-radius: 50%; font-size: 19px; line-height: 1; transition: background 180ms ease, color 180ms ease, transform 180ms ease; }
.response-reset:hover, .response-reset:focus-visible { background: #f0ae43; color: #111e20; outline: none; transform: rotate(-30deg); }
.response-lab { position: relative; max-width: 1520px; height: min(69vw, 720px); min-height: 430px; margin: 0 auto; overflow: hidden; border: 1px solid rgba(184, 222, 215, 0.38); background: #081315; cursor: crosshair; touch-action: none; }
#response-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.response-lab::before, .response-lab::after { content: ""; position: absolute; z-index: 1; pointer-events: none; }
.response-lab::before { inset: 13px; border: 1px solid rgba(185, 214, 207, 0.18); }
.response-lab::after { inset: 0; background: linear-gradient(90deg, rgba(5,15,17,0.66), transparent 33%, transparent 72%, rgba(5,15,17,0.52)), linear-gradient(0deg, rgba(4,11,13,0.44), transparent 30%); }
.response-hud { position: absolute; z-index: 2; display: grid; gap: 5px; color: #9aa9a5; font-size: 8px; font-weight: 700; letter-spacing: 0.08em; pointer-events: none; }
.response-hud b { color: #e7efe8; font-size: 10px; letter-spacing: 0.04em; }.hud-top-left { top: 30px; left: 32px; }.hud-top-right { top: 30px; right: 32px; text-align: right; }.hud-bottom-left { bottom: 28px; left: 32px; }.hud-bottom-right { right: 32px; bottom: 28px; text-align: right; }.hud-top-right b, .hud-bottom-right b { color: #f1ae41; }
.response-prompt { position: absolute; z-index: 2; left: 50%; bottom: 11%; margin: 0; color: rgba(218, 232, 224, 0.72); font-size: 9px; font-weight: 700; letter-spacing: 0.2em; transform: translateX(-50%); transition: opacity 220ms ease, transform 220ms ease; pointer-events: none; }.response-lab.is-active .response-prompt { opacity: 0; transform: translate(-50%, 8px); }
.response-footer { max-width: 1520px; margin: 20px auto 0; padding-top: 16px; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(184, 222, 215, 0.2); color: #80908c; font-size: 9px; font-weight: 700; letter-spacing: 0.05em; }.response-footer p { margin: 0; }

.evidence-section { display: grid; grid-template-columns: minmax(300px, 0.92fr) minmax(0, 1.3fr); gap: clamp(48px, 8vw, 170px); background: #e7e7df; color: #131619; padding: clamp(76px, 11vw, 164px) 4.2vw; }
.evidence-title .eyebrow { color: #206b81; }.evidence-title h2 i { color: #0b4d6a; }
.evidence-list { border-top: 1px solid rgba(19, 22, 25, 0.35); }.evidence-item { display: grid; grid-template-columns: 62px 1fr minmax(180px, 0.8fr); align-items: baseline; gap: 22px; padding: 25px 0 27px; border-bottom: 1px solid rgba(19, 22, 25, 0.35); }.evidence-item p, .evidence-item h3 { margin: 0; }.evidence-number { color: #0b6c85; font-size: 12px; font-weight: 700; }.evidence-item h3 { font-size: 18px; }.evidence-item > p:last-child { color: #536168; font-size: 13px; line-height: 1.45; }

.site-footer {
  min-height: 190px;
  padding: 44px 3.1vw;
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: end;
  gap: clamp(26px, 4vw, 68px);
  color: #8ea0a3;
  background: #05090c;
  border-top: 1px solid rgba(221, 235, 234, 0.16);
  font-size: 10px;
  line-height: 1.45;
  font-weight: 700;
}
.site-footer p { margin: 0; }
.site-footer p:last-child { color: #e4e8e7; }
.site-footer-mark { display: block; width: 72px; }
.site-footer-mark img { display: block; width: 100%; height: auto; }
.site-footer-mark:focus-visible { outline: 1px solid #99d6d1; outline-offset: 6px; }

.experience[data-mode="chamber"] {
  --ink: #e4e1d6;
  --muted: #a9a79c;
  --line: rgba(233, 229, 208, 0.23);
  --panel: rgba(32, 28, 20, 0.48);
  --accent: #c6ab75;
  --button-ink: #1d1913;
  --bg: #211d18;
  --stage-color: #7fd7de;
  --stage-hot: #f2a33b;
  --stage-line: rgba(127, 215, 222, 0.34);
}
.experience[data-mode="chamber"] .scrim { background: linear-gradient(90deg, rgba(29, 25, 18, 0.78) 0%, rgba(44, 39, 28, 0.28) 45%, rgba(19, 18, 16, 0.38) 100%), linear-gradient(0deg, rgba(23, 20, 15, 0.75) 0%, transparent 44%, rgba(25, 22, 17, 0.3) 100%); }
.experience[data-mode="chamber"] h1 i { font-family: Arial, Helvetica, sans-serif; font-style: normal; font-weight: 300; }
.experience[data-mode="chamber"] .simulation-twin { right: 5vw; opacity: 0.2; transform: translate3d(calc(var(--pointer-x, 0) * -10px), calc(var(--pointer-y, 0) * -7px), 0) translateX(3vw); }
.experience[data-mode="chamber"] .simulation-twin img { filter: grayscale(0.45) contrast(1.55) brightness(0.62) sepia(0.35) saturate(2.7) hue-rotate(144deg); }
.experience[data-mode="chamber"] .training-volume { width: min(46vw, 720px); right: 5vw; top: 12%; }
.experience[data-mode="chamber"] .contact-orbit { right: 1vw; width: min(58vw, 860px); }
.experience[data-mode="chamber"] h1 { font-size: clamp(48px, 6.5vw, 106px); }

.experience[data-mode="signal"] {
  --ink: #ddd5bf;
  --muted: #a8a38f;
  --line: rgba(219, 212, 180, 0.22);
  --panel: rgba(26, 32, 25, 0.52);
  --accent: #d0aa64;
  --button-ink: #23251c;
  --bg: #1b241e;
  --stage-color: #b6d76f;
  --stage-hot: #f0ad49;
  --stage-line: rgba(182, 215, 111, 0.34);
}
.experience[data-mode="signal"] .scrim { background: linear-gradient(90deg, rgba(22, 31, 25, 0.82) 0%, rgba(24, 35, 27, 0.36) 48%, rgba(18, 24, 19, 0.5) 100%), linear-gradient(0deg, rgba(15, 21, 16, 0.8) 0%, transparent 36%, rgba(11, 17, 14, 0.28) 100%); }
.experience[data-mode="signal"] h1 i { color: var(--ink); font-family: Georgia, 'Times New Roman', serif; }
.experience[data-mode="signal"] .simulation-twin { right: 12vw; opacity: 0.13; }
.experience[data-mode="signal"] .simulation-twin img { filter: grayscale(0.35) contrast(1.8) brightness(0.5) sepia(1) saturate(3.6) hue-rotate(8deg); }
.experience[data-mode="signal"] .training-volume { right: 4vw; top: 18%; width: min(50vw, 760px); height: 58%; opacity: 0.57; }
.experience[data-mode="signal"] .sensor-cloud { opacity: 0.95; }
.experience[data-mode="signal"] .contact-orbit { opacity: 0.28; }
.experience[data-mode="signal"] h1 { font-size: clamp(47px, 6.25vw, 102px); }

@media (min-width: 761px) and (max-height: 820px) {
  .hero { padding-top: 24px; padding-bottom: 14px; }
  h1 { font-size: clamp(54px, 7.3vw, 112px); }
  .hero-kicker { margin-bottom: 17px; }
  .hero-description { margin-top: 16px; }
  .telemetry { margin-top: 14px; }
  .world-readout { margin-top: 8px; }
  .section-rail { bottom: 11vh; }
}

@media (max-width: 760px) {
  .experience { height: auto; min-height: 100svh; grid-template-columns: 1fr; grid-template-rows: auto auto 1fr auto auto; padding: 0 20px; }
  .masthead { height: 72px; }
  .wordmark-logo { width: 136px; }
  .system-status { display: none; }
  .index-panel { padding: 26px 0 0; border-right: 0; }
  .index-panel .eyebrow { margin-bottom: 13px; }
  .world-selector { grid-template-columns: repeat(3, 1fr); }
  .world-option { min-height: 78px; display: block; padding: 11px 8px 12px 0; border-bottom: 1px solid var(--line); }
  .world-option:last-child { border-bottom: 1px solid var(--line); }
  .world-option::after { left: 0; top: auto; right: 0; bottom: -1px; width: auto; height: 2px; transform: scaleX(0); }
  .world-option.is-active::after { transform: scaleX(1); }
  .world-option:hover, .world-option:focus-visible, .world-option.is-active { padding-left: 0; }
  .option-index { display: block; margin-bottom: 7px; }
  .option-copy strong { font-size: 9px; line-height: 1.2; }
  .option-copy small { display: none; }
  .hero { padding: 9vh 0 5vh; min-height: 385px; }
  .hero-description { margin-top: 26px; font-size: 14px; }
  h1 { font-size: clamp(64px, 19vw, 118px); line-height: 0.8; }
  .experience[data-mode="chamber"] h1 { font-size: clamp(36px, 10.8vw, 56px); }
  .experience[data-mode="signal"] h1 { font-size: clamp(47px, 13.6vw, 72px); }
  .world-readout { margin-top: 28px; }
  .telemetry { display: none; }
  .scene-scale { bottom: 24%; right: 7vw; }
  .scene-grid { background-size: 19vw 19vw; }
  .simulation-twin { right: -18vw; bottom: 0; height: 66vh; opacity: 0.18; }
  .training-volume { right: -9vw; top: 31%; width: 84vw; height: 46%; opacity: 0.48; }
  .sensor-cloud { right: -9vw; top: 28%; width: 88vw; height: 52%; opacity: 0.56; }
  .contact-orbit { right: -24vw; bottom: 14%; width: 105vw; height: 15vh; opacity: 0.54; }
  .stage-floor { right: -48vw; bottom: -15vh; width: 150vw; height: 43vh; background-size: 15vw 15vw; opacity: 0.42; }
  .image-ameca { height: 70vh; right: -14vw; bottom: 1vh; opacity: 0.38; }
  .experience[data-mode="flood"] .image-ameca { opacity: 0.54; }
  .image-nao { height: 60vh; left: 2vw; }
  .experience[data-mode="chamber"] .image-ameca { right: -7vw; opacity: 0.32; }
  .experience[data-mode="chamber"] .image-nao { opacity: 0; }
  .image-figure { height: 73vh; right: -12vw; bottom: -2vh; }
  .experience[data-mode="chamber"] .image-figure { opacity: 0.47; }
  .experience[data-mode="signal"] .image-ameca { right: -4vw; opacity: 0.28; }
  .experience[data-mode="signal"] .image-nao { left: 26vw; opacity: 0.14; }
  .experience[data-mode="signal"] .image-figure { right: -12vw; opacity: 0.07; }
  .experience[data-mode="signal"] .image-balfron { opacity: 0.32; }
  .section-rail { display: none; }
  .interaction-band { min-height: 62px; }
  .instruction { display: none; }
  .enter-button { width: 100%; border-left: 0; }
  .footer { min-height: 55px; grid-template-columns: 1fr auto; gap: 11px; }
  .footer p:first-child { font-size: 8px; }
  .footer p:nth-child(2) { display: none; }
  .footer p:last-child { text-align: right; }
  .project-drawer { top: 72px; right: 20px; }
  .manifest-section { grid-template-columns: 1fr; gap: 42px; padding: 76px 20px; }.manifest-intro { position: static; }.manifest-intro h2 { font-size: clamp(48px, 15vw, 84px); }.method-figure { height: 330px; }.method-figure figcaption { left: 14px; right: 14px; bottom: 14px; font-size: 8px; }.manifest-step { grid-template-columns: 36px 1fr; gap: 15px; min-height: 0; padding: 24px 0 28px; }.manifest-step > p:last-child { grid-column: 2; max-width: 300px; }.manifest-step::after { font-size: 92px; }.manifest-step h3 { font-size: 27px; }
  .proof-section { padding: 76px 20px 42px; }.proof-heading { grid-template-columns: 1fr; gap: 27px; margin-bottom: 38px; }.proof-heading h2, .evidence-section h2, .isaac-heading h2 { font-size: clamp(48px, 15vw, 84px); }.proof-intro { font-size: 14px; }.world-comparator { aspect-ratio: 4 / 5; }.comparison-image { object-position: 57% center; }.comparison-label { top: 14px; font-size: 8px; }.compare-label-left { left: 14px; }.compare-label-right { right: 14px; }.comparison-handle { width: 44px; height: 44px; }.proof-footer { grid-template-columns: 1fr; gap: 8px; font-size: 9px; }.proof-footer p:last-child { text-align: left; margin-top: 7px; }.isaac-study { padding: 76px 20px 42px; }.isaac-heading { grid-template-columns: 1fr; gap: 27px; margin-bottom: 38px; }.isaac-heading > p { font-size: 14px; }.isaac-comparator { aspect-ratio: 1 / 1; }.isaac-label { top: 12px; font-size: 8px; }.isaac-label-left { left: 12px; }.isaac-label-right { right: 12px; }.isaac-footer { display: grid; gap: 8px; font-size: 8px; }.training-outputs { grid-template-columns: 1fr; gap: 30px; margin-top: 56px; }.training-outputs figcaption { font-size: 8px; }.evidence-section { grid-template-columns: 1fr; gap: 47px; padding: 76px 20px; }.evidence-item { grid-template-columns: 42px 1fr; gap: 13px; }.evidence-item > p:last-child { grid-column: 2; font-size: 13px; }
  .response-section { padding: 76px 20px 42px; }.response-heading { grid-template-columns: 1fr; gap: 32px; margin-bottom: 39px; }.response-heading h2 { font-size: clamp(50px, 16vw, 86px); }.response-copy > p { font-size: 14px; }.response-lab { height: 118vw; min-height: 390px; }.response-hud { font-size: 7px; }.response-hud b { font-size: 8px; }.hud-top-left { top: 24px; left: 24px; }.hud-top-right { top: 24px; right: 24px; }.hud-bottom-left { bottom: 22px; left: 24px; }.hud-bottom-right { right: 24px; bottom: 22px; }.response-footer { display: grid; gap: 8px; font-size: 8px; }
  .site-footer { min-height: 158px; padding: 32px 20px; grid-template-columns: 52px 1fr auto; gap: 18px; font-size: 8px; }
  .site-footer-mark { width: 52px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .sensor-cloud i, .orbit-point { animation: none; }
}