:root {
  color-scheme: dark;
  --bg: #080a0e;
  --surface: #10141b;
  --raised: #191f29;
  --line: #2b3340;
  --text: #f0f2f5;
  --muted: #a7b0be;
  --quiet: #7e8b9d;
  --accent: #ff7849;
  --accent-ink: #101014;
  --cyan: #82dce8;
  --accent-wash: #ff784912;
  --header: #080a0ef2;
  --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
}
:root[data-theme=light] {
  color-scheme: light;
  --bg: #f5f3ee;
  --surface: #fffefa;
  --raised: #e9e6df;
  --line: #cccac2;
  --text: #1c2532;
  --muted: #4e5e70;
  --quiet: #5d6b79;
  --accent: #b6441c;
  --accent-ink: #fff;
  --cyan: #167080;
  --accent-wash: #b6441c0c;
  --header: #f5f3eef2;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 116px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 Arial, Helvetica, sans-serif; -webkit-font-smoothing: antialiased; transition: background .3s, color .3s; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button, a, input { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; background: transparent; border: 0; color: inherit; }
button:disabled { cursor: default; opacity: .5; }
button:focus-visible, a:focus-visible, input:focus-visible, summary:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.5; flex-shrink: 0; }
h1, h2, h3, p { margin: 0; }
[hidden] { display: none !important; }
.site-header, main, .site-footer { width: min(1440px, calc(100% - 80px)); margin-inline: auto; }
.site-header { position: relative; z-index: 10; min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 28px; border-bottom: 1px solid var(--line); }
.brand { font-size: 22px; font-weight: 750; letter-spacing: 3px; display: inline-flex; align-items: center; gap: 10px; }
.brand svg { width: 29px; height: 29px; stroke-width: 1.7; }
.brand svg circle { stroke: var(--accent); }
.site-header nav, .header-actions { display: flex; align-items: center; gap: 24px; }
.site-header nav { font-size: 13px; color: var(--muted); }
.site-header nav a { padding-block: 12px; }
a:hover { color: var(--accent); }
.header-actions { gap: 14px; }
.language-switch { display: flex; padding: 4px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface); }
.language-switch button { padding: 9px 15px; min-height: 44px; min-width: 87px; font-size: 14px; font-weight: 600; border-radius: 5px; transition: background .2s, color .2s; }
.language-switch button[aria-pressed=true] { color: var(--accent-ink); background: var(--accent); }
.language-switch button[aria-pressed=false]:hover { background: var(--raised); }
.theme-toggle { min-height: 48px; padding: 10px; display: flex; align-items: center; gap: 8px; color: var(--muted); border-radius: 6px; font-size: 12px; }
.theme-toggle:hover { background: var(--raised); color: var(--text); }
.hero { display: grid; grid-template-columns: .94fr 1.06fr; align-items: start; padding: 66px 0 24px; gap: 50px; }
.hero-copy { padding-top: 52px; }
.eyebrow { font: 10px/1.6 var(--mono); letter-spacing: 1px; text-transform: uppercase; color: var(--muted); display: flex; align-items: center; gap: 9px; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px var(--accent-wash); }
h1 { max-width: 650px; font-size: clamp(46px,4.6vw,70px); font-weight: 450; line-height: 1.06; letter-spacing: -3px; margin: 25px 0; text-wrap: balance; }
.hero-intro { max-width: 540px; font-size: 17px; color: var(--muted); line-height: 1.85; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 22px; margin-top: 30px; }
.button { min-height: 48px; padding: 14px 20px; display: inline-flex; justify-content: space-between; align-items: center; gap: 20px; font-size: 13px; font-weight: 600; border-radius: 4px; transition: background .2s, transform .2s; }
.button.primary { background: var(--accent); color: var(--accent-ink); }
.button.primary:hover { filter: brightness(1.1); transform: translateY(-2px); }
.button svg { transition: transform .2s; }
.button:hover svg { transform: translateX(3px); }
.text-link { font-size: 13px; text-decoration: underline; text-underline-offset: 5px; text-decoration-color: var(--quiet); }
.hero-footnote { color: var(--quiet); font-size: 12px; line-height: 1.8; max-width: 450px; margin-top: 24px; }
.hero-instrument { border: 1px solid var(--line); background: var(--surface); border-radius: 8px; overflow: hidden; }
.instrument-caption { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 57px; padding: 10px 20px; color: var(--muted); font: 10px var(--mono); letter-spacing: .8px; border-bottom: 1px solid var(--line); }
.instrument-caption button { min-height: 36px; padding: 6px 10px; border: 1px solid var(--line); border-radius: 4px; font-size: 11px; letter-spacing: 0; }
.instrument-caption button:hover { color: var(--text); background: var(--raised); }
.rig-stage { position: relative; height: 400px; background: radial-gradient(ellipse at 50% 55%, #20344233, transparent 70%); transition: background .4s; }
.hero-instrument[data-mode=optics] .rig-stage { background: radial-gradient(ellipse at 50% 50%, #1c637633, transparent 75%); }
.hero-instrument[data-mode=haptics] .rig-stage { background: radial-gradient(ellipse at 50% 50%, #99451c30, transparent 75%); }
#rig-canvas { display: block; width: 100%; height: 100%; touch-action: pan-y; cursor: grab; }
#rig-canvas:active { cursor: grabbing; }
.rig-mode-tag { position: absolute; top: 16px; left: 18px; font: 11px var(--mono); color: var(--text); padding-left: 12px; border-left: 3px solid var(--accent); pointer-events: none; }
.hero-instrument[data-mode=optics] .rig-mode-tag { border-color: var(--cyan); }
.orbit-hint { position: absolute; bottom: 14px; left: 18px; color: var(--quiet); font: 10px var(--mono); pointer-events: none; }
#rig-reset { position: absolute; bottom: 10px; right: 14px; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 5px; display: grid; place-items: center; background: var(--surface); }
#rig-reset:hover { color: var(--accent); }
.rig-controls { display: grid; grid-template-columns: 1.1fr 1.1fr 1fr; padding: 10px; gap: 6px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.rig-controls button { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 8px; min-height: 50px; color: var(--muted); font-size: 12px; border: 1px solid transparent; border-radius: 5px; transition: background .2s, border-color .2s; }
.mode-number { font: 10px var(--mono); opacity: .65; }
.rig-controls button[aria-pressed=true] { background: var(--accent); color: var(--accent-ink); font-weight: 600; }
.rig-controls button[data-rig=optics][aria-pressed=true] { background: var(--cyan); color: var(--bg); }
.rig-controls button[aria-pressed=false]:hover { background: var(--raised); border-color: var(--line); color: var(--text); }
.rig-explanation { padding: 24px 22px 16px; display: flex; gap: 16px; min-height: 154px; }
.rig-explanation>span { font: 10px var(--mono); padding-top: 6px; color: var(--accent); white-space: nowrap; }
.rig-explanation h2 { font-size: 17px; letter-spacing: -.3px; line-height: 1.4; margin-bottom: 8px; }
.rig-explanation p { font-size: 12px; line-height: 1.8; color: var(--muted); }
.rig-disclaimer { font: 9px/1.6 var(--mono); color: var(--quiet); padding: 0 22px 18px; }
#rig-fallback { position: absolute; inset: 34px 0 30px; }
#rig-fallback img { width: 100%; height: 100%; object-fit: contain; }
.section { padding-top: 100px; }
.section-label { display: flex; align-items: center; gap: 24px; font: 10px var(--mono); letter-spacing: 1px; color: var(--quiet); margin-bottom: 38px; }
.hairline { height: 1px; flex: 1; background: var(--line); }
h2 { font-size: clamp(30px,3.2vw,48px); letter-spacing: -1.7px; line-height: 1.15; font-weight: 450; text-wrap: balance; }
.section-heading { display: grid; grid-template-columns: 1.25fr 1fr; gap: 80px; align-items: end; margin-bottom: 36px; }
.section-heading p { font-size: 15px; line-height: 1.85; color: var(--muted); max-width: 490px; }
.explanation-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 30px; align-items: stretch; }
.process-diagram { border: 1px solid var(--line); background: var(--surface); border-radius: 7px; display: flex; flex-direction: column; overflow: hidden; }
.diagram-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; font: 9px var(--mono); color: var(--quiet); }
.diagram-top button { font: 11px var(--mono); min-height: 40px; padding: 9px; border: 1px solid var(--line); border-radius: 4px; color: var(--muted); }
.diagram-top button[aria-pressed=true] { border-color: var(--accent); color: var(--accent); }
.optical-diagram { width: 100%; height: auto; flex: 1; min-height: 300px; stroke-width: 2; }
.optical-diagram text { stroke: none; fill: var(--text); font: 14px Arial, sans-serif; }
.optical-diagram .diagram-secondary { fill: var(--quiet); font-size: 11px; }
.diagram-grid { color: var(--quiet); opacity: .16; }
.diagram-display, .diagram-plate, .diagram-aerial, .diagram-light, .diagram-ultrasound { transition: opacity .45s; }
.diagram-display { stroke: var(--cyan); }
.diagram-display rect { fill: var(--surface); }
.diagram-plate { stroke: var(--cyan); }
.diagram-plate .plate-glow { stroke-width: 17; opacity: .12; }
.diagram-aerial { stroke: var(--cyan); }
.diagram-aerial rect { fill: var(--surface); }
.diagram-light { stroke: var(--cyan); }
.light-ray { opacity: .25; }
.light-travel { stroke-dasharray: 12 330; animation: light-path 3.4s linear infinite; stroke-width: 4; }
.diagram-ultrasound { stroke: var(--accent); }
.diagram-ultrasound rect { fill: var(--surface); }
.diagram-beam { fill: url(#beam-fill); stroke: none; }
.sound-ray { opacity: .25; stroke-width: 1; }
.sound-front { animation: sound-front 2.4s ease-in-out infinite; transform-origin: 430px 130px; }
.front-two { animation-delay: -.8s; }
.front-three { animation-delay: -1.6s; }
.focus-halo { animation: focus-pulse 2s ease-in-out infinite; transform-origin: 430px 130px; }
.optical-diagram .component-number { fill: var(--surface); stroke: currentColor; }
.optical-diagram .number-text { font: 12px var(--mono); text-anchor: middle; fill: var(--text); }
.annotation-line { opacity: .5; stroke-width: 1; }
.process-diagram[data-step="1"] .diagram-plate, .process-diagram[data-step="1"] .diagram-aerial { opacity: .55; }
.process-diagram[data-step="1"] .diagram-light { opacity: .45; }
.process-diagram:not([data-step="3"]) .diagram-ultrasound { opacity: .12; }
.process-diagram[data-step="3"] .diagram-light, .process-diagram[data-step="3"] .diagram-plate, .process-diagram[data-step="3"] .diagram-display { opacity: .16; }
.diagram-caption { min-height: 78px; padding: 20px; font-size: 13px; color: var(--muted); border-top: 1px solid var(--line); }
.process-steps { display: flex; flex-direction: column; gap: 10px; }
.process-step { flex: 1; display: flex; text-align: left; align-items: flex-start; gap: 17px; border: 1px solid var(--line); border-radius: 6px; padding: 23px; transition: background .25s, border-color .25s, transform .25s; }
.process-step>span:nth-child(2) { flex: 1; }
.step-index { font: 11px var(--mono); color: var(--quiet); padding-top: 5px; }
.process-step strong { display: block; font-size: 16px; line-height: 1.4; font-weight: 600; margin-bottom: 9px; }
.process-step>span>span { display: block; color: var(--muted); font-size: 13px; line-height: 1.85; }
.process-step>svg { width: 15px; margin-top: 4px; opacity: .3; transition: transform .25s, opacity .25s; }
.process-step[aria-pressed=true] { background: var(--accent-wash); border-color: var(--accent); transform: translateX(-5px); }
.process-step[aria-pressed=true] .step-index { color: var(--accent); }
.process-step[aria-pressed=true]>svg { opacity: 1; color: var(--accent); transform: rotate(90deg); }
.process-step:hover { background: var(--surface); }
.model-details { border-bottom: 1px solid var(--line); padding: 22px 0; margin-top: 20px; }
.model-details summary { cursor: pointer; min-height: 30px; color: var(--muted); font-size: 14px; }
.model-details[open] summary { color: var(--text); }
.model-details p { margin: 18px 0 12px; max-width: 100ch; font-size: 14px; color: var(--muted); }
.field-preview { display: grid; grid-template-columns: 1.25fr 1fr; background: var(--surface); border: 1px solid var(--line); border-radius: 7px; overflow: hidden; }
.preview-visual { min-width: 0; padding: 30px; }
.preview-plot { position: relative; background: #080b0e; overflow: hidden; border: 1px solid #303a44; border-radius: 3px; }
#preview-canvas { display: block; width: 100%; aspect-ratio: 4/3; cursor: crosshair; touch-action: none; }
.preview-axis-x, .preview-axis-z, .preview-badge { position: absolute; font: 9px var(--mono); color: #c6d2dc; padding: 5px 6px; background: #080b0ed9; pointer-events: none; }
.preview-badge { top: 12px; left: 12px; }
.preview-axis-x { bottom: 10px; left: 12px; }
.preview-axis-z { bottom: 10px; right: 12px; }
#preview-marker { position: absolute; left: 50%; top: 50%; width: 26px; height: 26px; transform: translate(-50%,-50%); border: 1px solid #ffffffa0; border-radius: 50%; box-shadow: 0 0 0 5px #0c111820; pointer-events: none; }
#preview-marker::before, #preview-marker::after { content: ''; position: absolute; background: #fff; }
#preview-marker::before { width: 36px; height: 1px; top: 12px; left: -6px; }
#preview-marker::after { height: 36px; width: 1px; top: -6px; left: 12px; }
.preview-error { position: absolute; inset: 0; padding: 50px 24px; background: var(--surface); color: var(--muted); z-index: 1; }
.field-legend { display: flex; gap: 13px; align-items: center; font: 10px var(--mono); color: var(--muted); margin: 20px 0 14px; }
.pressure-scale { height: 7px; flex: 1; border-radius: 2px; background: linear-gradient(90deg,#0d252b,#17717c,#fd773e,#fff0c4); }
.preview-visual>p { font-size: 13px; line-height: 1.85; color: var(--muted); }
.preview-console { padding: 30px; border-left: 1px solid var(--line); }
.preview-console h3 { font-size: 18px; font-weight: 500; margin-bottom: 24px; }
.preview-console label { display: flex; justify-content: space-between; gap: 14px; font-size: 13px; color: var(--muted); }
.preview-console output { font: 13px var(--mono); color: var(--accent); white-space: nowrap; }
input[type=range] { width: 100%; accent-color: var(--accent); height: 28px; margin: 10px 0 22px; cursor: pointer; }
.preview-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.preview-actions button { min-height: 42px; border: 1px solid var(--line); border-radius: 4px; padding: 9px 13px; font-size: 12px; }
.preview-actions button:hover { background: var(--raised); }
#preview-sweep[aria-pressed=true] { border-color: var(--accent); background: var(--accent-wash); color: var(--accent); }
.preview-console dl { margin: 12px 0 18px; }
.preview-console dl>div { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.preview-console dt { color: var(--muted); font-size: 12px; }
.preview-console dd { font: 19px var(--mono); margin: 0; white-space: nowrap; }
.preview-console dd small { font-size: 11px; color: var(--quiet); }
.model-note { font-size: 11px; line-height: 1.8; color: var(--quiet); margin-bottom: 22px; }
.preview-console>.button { width: 100%; font-size: 12px; }
.build-table { border-top: 1px solid var(--line); }
.build-table>a { display: grid; grid-template-columns: 130px 1fr 1.2fr 24px; gap: 30px; align-items: center; padding: 27px 8px; border-bottom: 1px solid var(--line); transition: background .2s; }
.build-table>a:hover { background: var(--surface); }
.build-table>a:hover svg { transform: translateX(4px); color: var(--accent); }
.build-table svg { transition: transform .2s; }
.build-status { font: 9px var(--mono); color: var(--quiet); }
.build-status.available { color: var(--cyan); }
.build-status.pending { color: var(--accent); }
.build-table h3 { font-size: 17px; font-weight: 500; line-height: 1.45; }
.build-table p { color: var(--muted); font-size: 13px; line-height: 1.8; }
.clone-box { display: flex; justify-content: space-between; align-items: center; gap: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 5px; margin-top: 28px; padding: 22px 26px; }
.clone-box>div { min-width: 0; }
.clone-box>div>span { display: block; font: 9px var(--mono); color: var(--quiet); margin-bottom: 8px; }
.clone-box code { font: 12px/1.7 var(--mono); overflow-wrap: anywhere; }
.clone-box button { display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: 13px; min-height: 44px; padding: 8px; }
.invitation { padding: 45px; margin-top: 90px; background: var(--accent-wash); border: 1px solid var(--line); border-radius: 7px; }
.invitation-top { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.invitation .eyebrow { color: var(--accent); }
.version { font: 10px var(--mono); color: var(--quiet); }
.invitation h2 { max-width: 800px; }
.invitation>p { max-width: 750px; color: var(--muted); margin-top: 20px; font-size: 15px; line-height: 1.9; }
.invitation-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 28px; margin-top: 28px; }
.site-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 24px; padding: 40px 0; }
.site-footer>.brand { font-size: 16px; }
.site-footer p { font-size: 11px; color: var(--quiet); }
.site-footer>div { display: flex; flex-wrap: wrap; gap: 20px; font-size: 11px; color: var(--muted); }
.skip-link { position: absolute; top: -80px; left: 20px; background: var(--accent); color: var(--accent-ink); padding: 12px; z-index: 20; }
.skip-link:focus { top: 10px; }
#site-toast { position: fixed; bottom: 24px; left: 50%; transform: translate(-50%,20px); opacity: 0; pointer-events: none; padding: 12px 20px; background: var(--raised); color: var(--text); border: 1px solid var(--line); font-size: 13px; z-index: 20; transition: opacity .2s,transform .2s; max-width: calc(100% - 32px); border-radius: 5px; }
#site-toast.visible { opacity: 1; transform: translate(-50%,0); }
.scene-updated { animation: scene-feedback .6s ease-out; }
.language-updated { animation: language-feedback .45s ease-out; }
.reveal-ready { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal-ready.is-visible { opacity: 1; transform: none; }
@keyframes light-path { to { stroke-dashoffset: -684; } }
@keyframes sound-front { 0% { opacity: 0; transform: scale(1.1); } 25% { opacity: .9; } 100% { opacity: 0; transform: scale(.35); } }
@keyframes focus-pulse { 50% { opacity: .35; transform: scale(1.3); } }
@keyframes scene-feedback { from { box-shadow: inset 0 0 0 2px var(--accent); } to { box-shadow: inset 0 0 0 0 transparent; } }
@keyframes language-feedback { from { opacity: .45; transform: translateY(5px); } to { opacity: 1; transform: none; } }
@media (max-width: 1200px) {
  .site-header, main, .site-footer { width: calc(100% - 48px); }
  .site-header nav { gap: 16px; font-size: 12px; }
  .theme-toggle span { display: none; }
  .hero { gap: 28px; }
  .hero-copy { padding-top: 30px; }
  h1 { font-size: 53px; letter-spacing: -2px; }
  .hero-intro { font-size: 15px; }
  .rig-stage { height: 365px; }
  .rig-controls { gap: 3px; padding: 8px; }
  .rig-controls button { font-size: 11px; padding-inline: 5px; gap: 5px; }
  .section-heading { gap: 45px; }
  .explanation-layout { gap: 22px; }
  .process-step { padding: 18px; gap: 12px; }
  .process-step strong { font-size: 15px; }
  .preview-visual, .preview-console { padding: 24px; }
}
@media (max-width: 900px) {
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 30px; gap: 32px; }
  .hero-copy { padding-top: 10px; }
  h1 { max-width: 700px; font-size: 60px; }
  .hero-intro { max-width: 680px; font-size: 16px; }
  .hero-instrument { width: 100%; }
  .rig-stage { height: 440px; }
  .rig-controls button { min-height: 52px; font-size: 13px; }
  .rig-explanation { min-height: 128px; }
  .section-heading { grid-template-columns: 1fr; gap: 20px; }
  .section-heading p { max-width: 650px; }
  .explanation-layout { grid-template-columns: 1fr; }
  .optical-diagram { max-height: 440px; }
  .process-step[aria-pressed=true] { transform: none; }
  .field-preview { grid-template-columns: 1fr 1fr; }
  .build-table>a { grid-template-columns: 100px 1fr 1.2fr 20px; gap: 20px; }
}
@media (max-width: 600px) {
  html { scroll-padding-top: 20px; }
  .site-header, main, .site-footer { width: calc(100% - 32px); }
  .site-header { min-height: 134px; flex-wrap: wrap; padding: 20px 0 16px; gap: 16px; }
  .brand { font-size: 19px; }
  .header-actions { width: 100%; justify-content: space-between; gap: 10px; }
  .language-switch button { font-size: 14px; min-width: 88px; padding: 9px 14px; }
  .theme-toggle { font-size: 11px; padding-inline: 8px; }
  .theme-toggle span { display: inline; }
  .hero { padding-top: 24px; gap: 28px; }
  .hero .eyebrow { font-size: 9px; letter-spacing: .2px; }
  h1 { font-size: clamp(39px,10.7vw,58px); letter-spacing: -1.7px; margin-block: 20px; }
  .hero-intro { font-size: 15px; }
  .hero-actions { gap: 20px; margin-top: 24px; }
  .hero-footnote { font-size: 11px; margin-top: 20px; }
  .instrument-caption { padding-inline: 12px; gap: 8px; font-size: 8px; letter-spacing: 0; }
  .instrument-caption button { font-size: 10px; padding-inline: 8px; }
  .rig-stage { height: 330px; }
  .rig-mode-tag { font-size: 10px; left: 12px; }
  .orbit-hint { font-size: 9px; left: 12px; }
  .rig-controls { padding: 7px; gap: 5px; }
  .rig-controls button { flex-direction: column; font-size: 11px; gap: 2px; padding: 9px 4px; min-height: 62px; }
  .mode-number { font-size: 9px; }
  .rig-explanation { padding: 19px 15px 15px; gap: 12px; min-height: 178px; }
  .rig-explanation h2 { font-size: 16px; }
  .rig-explanation p { font-size: 12px; }
  .rig-disclaimer { padding-inline: 15px; font-size: 9px; }
  .section { padding-top: 66px; }
  .section-label { margin-bottom: 27px; font-size: 9px; gap: 14px; }
  h2 { font-size: 33px; letter-spacing: -1px; }
  .section-heading { margin-bottom: 25px; gap: 18px; }
  .section-heading p { font-size: 14px; }
  .diagram-top { padding: 10px 12px; font-size: 8px; gap: 8px; }
  .diagram-top button { font-size: 10px; padding-inline: 7px; }
  .optical-diagram { min-height: 230px; }
  .optical-diagram text { font-size: 18px; }
  .optical-diagram .diagram-secondary { font-size: 15px; }
  .diagram-caption { font-size: 12px; padding: 16px; min-height: 90px; }
  .process-step { padding: 18px 15px; }
  .process-step strong { font-size: 15px; }
  .process-step>span>span { font-size: 13px; }
  .field-preview { grid-template-columns: 1fr; }
  .preview-visual { padding: 15px; }
  .preview-console { border-left: 0; border-top: 1px solid var(--line); padding: 22px; }
  .preview-axis-x, .preview-axis-z { font-size: 8px; }
  .preview-axis-x { left: 6px; }
  .preview-axis-z { right: 6px; }
  .field-legend { font-size: 9px; gap: 8px; }
  .build-table>a { grid-template-columns: 1fr 22px; gap: 10px; padding: 24px 0; }
  .build-table h3, .build-table p { grid-column: 1; }
  .build-table svg { grid-column: 2; grid-row: 2; }
  .clone-box { padding: 18px; }
  .clone-box button span { display: none; }
  .clone-box code { font-size: 10px; }
  .invitation { padding: 26px; margin-top: 66px; }
  .invitation-top .eyebrow { font-size: 9px; }
  .invitation h2 { font-size: 32px; }
  .invitation>p { font-size: 14px; }
  .invitation-actions { align-items: stretch; flex-direction: column; gap: 22px; }
  .invitation .button { font-size: 12px; padding-inline: 14px; gap: 12px; }
  .site-footer { padding-block: 30px; gap: 18px; }
  .site-footer p { width: 100%; }
  .site-footer>div { gap: 17px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal-ready { opacity: 1; transform: none; }
}