:root {
    --yellow: #faca30;
    --dark: #222222;
    --light: #efefef;
    --muted: #b8b8b2;
    --line: #494946;
    --surface: #292928;
    --mono: 'Cascadia Code', Consolas, 'Courier New', monospace;
    --gutter: clamp(20px, 4vw, 64px);
    --section-space: clamp(64px, 7vw, 112px);
    --header-height: 78px;
    color-scheme: dark;
    font-family: 'Segoe UI', Arial, Helvetica, sans-serif;
    background: var(--dark);
    color: var(--light);
    font-synthesis: none;
    -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
html { scroll-padding-top: calc(var(--header-height) + 20px); }
body { margin: 0; font-size: 15px; line-height: 1.65; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; text-underline-offset: 5px; }
a:hover { color: var(--yellow); }
a, button { transition: color 150ms ease, background-color 150ms ease, border-color 150ms ease; }
button:disabled { opacity: 0.35; cursor: default; }
:focus-visible { outline: 2px solid var(--yellow); outline-offset: 5px; }
::selection { color: var(--dark); background: var(--yellow); }
[hidden] { display: none !important; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 550; letter-spacing: -0.045em; line-height: 1.12; text-wrap: balance; }
p { text-wrap: pretty; }
.shell { width: min(1440px, calc(100% - var(--gutter) * 2)); margin-inline: auto; }
.skip-link { position: fixed; top: 10px; left: var(--gutter); z-index: 50; padding: 10px 16px; color: var(--dark); background: var(--yellow); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.eyebrow, .scene-label, .detail-meta, :is(#detail-eyebrow, #orbit-detail-eyebrow), .evidence-label { font: 12px/1.6 var(--mono); letter-spacing: 0.07em; text-transform: uppercase; }
.eyebrow { color: var(--yellow); }
.text-link { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-size: 13px; line-height: 1.5; text-decoration-thickness: 1px; }
.button-primary { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 46px; padding: 11px 19px; border: 1px solid var(--yellow); color: var(--dark); background: var(--yellow); font-size: 13px; line-height: 1.5; font-weight: 600; text-decoration: none; }
.button-primary:hover { border-color: #ffe17b; color: var(--dark); background: #ffe17b; }

/* A compact opening leaves the working model within reach. */
.site-header { position: sticky; top: 0; z-index: 30; background: var(--dark); }
.site-header-inner { display: flex; align-items: center; gap: 32px; width: min(1440px, calc(100% - var(--gutter) * 2)); min-height: 78px; margin-inline: auto; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; flex-shrink: 0; align-items: center; gap: 10px; min-height: 44px; text-decoration: none; }
.brand img { width: 30px; height: 30px; object-fit: contain; filter: brightness(0) invert(1); }
.brand > span { font-size: 26px; line-height: 1; font-weight: 700; letter-spacing: -0.065em; }
.brand-dot { color: var(--yellow); }
.header-nav { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 26px; margin-left: auto; }
.header-nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); font-size: 14px; text-decoration: none; }
.header-nav a:hover { color: var(--yellow); }
.header-nav a[aria-current="page"] { color: var(--yellow); text-decoration: underline; text-underline-offset: 6px; }
.prototype-label { color: var(--muted); font: 12px/1.5 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }
.language-switch { display: flex; flex-shrink: 0; align-items: center; font: 12px/1 var(--mono); }
.language-switch a { display: inline-flex; align-items: center; justify-content: center; min-width: 36px; min-height: 44px; color: var(--muted); text-decoration: none; }
.language-switch a[aria-current="true"], .language-switch a.is-active { color: var(--yellow); text-decoration: underline; text-underline-offset: 6px; }
.language-switch a:hover { color: var(--dark); background: var(--yellow); }
.language-switch > span { color: var(--muted); }
.intro { padding-top: 38px; padding-bottom: 30px; }
.intro h1 { margin-top: 14px; font-size: clamp(36px, 4.2vw, 64px); }
.intro-copy { max-width: 730px; margin-top: 17px; color: var(--muted); font-size: 14px; line-height: 1.75; }
.hero { padding-top: clamp(34px, 3.8vw, 54px); padding-bottom: 26px; }
.hero-layout { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); align-items: end; gap: clamp(32px, 5vw, 80px); }
.hero-main, .hero-copy { min-width: 0; }
.hero h1 { max-width: 18ch; margin-top: 14px; font-size: clamp(40px, 4.65vw, 70px); line-height: 1.035; letter-spacing: -0.055em; }
.hero-emphasis { color: var(--yellow); }
.hero-copy { max-width: 470px; padding-bottom: 3px; }
.hero-copy .lead { color: var(--light); font-size: clamp(16px, 1.4vw, 20px); line-height: 1.5; letter-spacing: -0.015em; }
.hero-copy p + p { margin-top: 12px; color: var(--muted); font-size: 13px; line-height: 1.75; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 21px; margin-top: 20px; }
.hero-baseline { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 28px; padding-top: 17px; border-top: 1px solid var(--line); color: var(--muted); font: 12px/1.7 var(--mono); letter-spacing: 0.035em; }

/* One typographic grid connects method, practice and personal perspective. */
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: clamp(32px, 6vw, 96px); row-gap: 10px; align-items: start; padding-block: 26px; }
.section-heading > .eyebrow { grid-column: 1; }
.section-heading > h2 { grid-column: 1; max-width: 23ch; font-size: clamp(28px, 3vw, 43px); }
.section-heading > p:not(.eyebrow) { grid-column: 2; grid-row: 1 / span 2; align-self: end; max-width: 60ch; color: var(--muted); font-size: 14px; line-height: 1.75; }
#arbeitsweise > .section-heading { padding-top: 19px; padding-bottom: 27px; }
.orbital-comparison { margin-top: clamp(40px, 5vw, 68px); }
.comparison-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: clamp(32px, 6vw, 96px); row-gap: 10px; padding-block: 25px; border-top: 1px solid var(--line); }
.comparison-heading > .eyebrow { grid-column: 1; }
.comparison-heading > h3 { grid-column: 1; font-size: clamp(26px, 2.5vw, 35px); }
.comparison-heading > p:not(.eyebrow) { grid-column: 2; grid-row: 1 / span 2; align-self: end; max-width: 60ch; color: var(--muted); font-size: 13px; line-height: 1.75; }
.explorer-grid { display: grid; grid-template-columns: minmax(0, 1.9fr) minmax(290px, 1fr); gap: 24px; align-items: start; }
.case-picker { margin-bottom: 30px; }
.case-framing { max-width: 88ch; margin-top: 12px; color: var(--muted); font-size: 15px; line-height: 1.75; }
.case-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 18px; }
.case-options a { display: flex; flex-direction: column; justify-content: center; gap: 3px; min-height: 78px; padding: 14px 18px; border: 1px solid var(--line); color: var(--muted); background: var(--surface); text-decoration: none; }
.case-options strong { color: var(--light); font-size: 16px; font-weight: 600; }
.case-options span { font-size: 14px; }
.case-options a:hover, .case-options a[aria-current="true"] { border-color: var(--yellow); }
.case-options a[aria-current="true"] { background: #30302a; }
.case-options a[aria-current="true"] strong { color: var(--yellow); }
.case-intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr); gap: 24px; align-items: start; margin-top: 24px; }
.case-intro h3 { max-width: 28ch; font-size: clamp(23px, 2.3vw, 31px); }
.case-intro p { max-width: 76ch; color: var(--muted); font-size: 15px; line-height: 1.75; }
.orbital-case-intro { margin-top: 0; margin-bottom: 30px; }
.visualization-panel, .detail-panel { min-width: 0; }
.visualization-panel { border: 1px solid var(--line); background: #242424; }
.scene-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 17px; min-height: 72px; padding: 16px 22px; border-bottom: 1px solid #3e3e3e; }
.scene-toolbar > div { min-width: 0; }
.scene-label { display: block; color: var(--light); }
.scene-meta { display: block; margin-top: 4px; color: var(--muted); font: 12px/1.5 var(--mono); }
:is(#motion-toggle, #orbit-motion-toggle) { flex-shrink: 0; min-height: 44px; padding: 8px 12px; border: 1px solid #626262; border-radius: 0; color: var(--light); background: transparent; font: 12px/1.4 var(--mono); }
:is(#motion-toggle, #orbit-motion-toggle)[aria-pressed="true"] { border-color: var(--yellow); color: var(--yellow); }

/* Do not change this ratio: SVG projection and HTML targets share these coordinates. */
.helix-stage { position: relative; width: 100%; aspect-ratio: 10 / 7; isolation: isolate; }
:is(#helix-scene, #orbit-helix-scene) { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.node-layer { position: absolute; inset: 0; pointer-events: none; }
.orbit-node { position: absolute; z-index: 2; display: grid; place-items: center; width: 44px; height: 44px; padding: 10px; border: 0; border-radius: 50%; color: var(--light); background: transparent; transform: translate(-50%, -50%); pointer-events: auto; }
.orbit-node:disabled { opacity: 1; }
.node-letter { display: grid; place-items: center; width: 24px; height: 24px; border: 1px solid var(--light); border-radius: 50%; color: var(--light); background: var(--dark); font: 600 13px/1 var(--mono); transition: color 150ms ease, background-color 150ms ease, box-shadow 150ms ease; }
.node-index { position: absolute; right: 2px; bottom: 0; color: var(--muted); font: 11px/1.2 var(--mono); }
.orbit-node:not(:disabled):hover .node-letter { border-color: var(--yellow); box-shadow: 0 0 0 4px rgba(250, 202, 48, 0.12); }
.orbit-node.is-active, .orbit-node[aria-current="true"], .orbit-node[aria-pressed="true"] { z-index: 4; }
.orbit-node.is-active .node-letter, .orbit-node[aria-current="true"] .node-letter, .orbit-node[aria-pressed="true"] .node-letter { border-color: var(--yellow); color: var(--dark); background: var(--yellow); box-shadow: 0 0 0 5px rgba(250, 202, 48, 0.15), 0 0 22px rgba(250, 202, 48, 0.18); }
.orbit-node.is-active .node-index, .orbit-node[aria-current="true"] .node-index { color: var(--yellow); }
.orbit-node:focus-visible { outline-offset: 0; }
.axis-label { position: absolute; max-width: 40%; color: var(--yellow); font: 12px/1.5 var(--mono); pointer-events: none; }
.axis-start { left: 5%; bottom: 5%; }
.axis-end { right: 5%; top: 5%; text-align: right; }
.scene-caption { display: flex; align-items: flex-start; justify-content: space-between; gap: 23px; padding: 17px 22px; border-top: 1px solid #3e3e3e; }
.scene-caption p { max-width: 490px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.scene-caption strong { color: var(--light); font-weight: 500; }
.scene-caption [data-read-step] { display: inline-block; white-space: nowrap; }
.axis-key { display: inline-flex; align-items: center; gap: 9px; flex-shrink: 0; color: var(--yellow); font: 12px/1.5 var(--mono); }
.axis-key::before { content: ''; display: block; width: 26px; height: 2px; background: var(--yellow); }
.cycle-selectors { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.cycle-selectors button { display: flex; flex-direction: column; align-items: flex-start; gap: 5px; min-width: 0; min-height: 128px; padding: 15px 14px; border: 0; border-right: 1px solid var(--line); border-top: 2px solid transparent; border-radius: 0; color: var(--muted); background: transparent; text-align: left; }
.cycle-selectors button:last-child { border-right: 0; }
.cycle-number { color: var(--yellow); font: 11px/1.5 var(--mono); letter-spacing: 0.065em; }
.cycle-horizon { font: 11px/1.5 var(--mono); }
.cycle-selectors strong { margin-top: 3px; color: var(--light); font-size: 13px; line-height: 1.35; font-weight: 550; overflow-wrap: anywhere; }
.cycle-caption { margin-top: auto; padding-top: 6px; font-size: 12px; line-height: 1.5; }
.cycle-selectors button:not(:disabled):hover { background: #303030; }
.cycle-selectors button.is-active, .cycle-selectors button[aria-pressed="true"], .cycle-selectors button[aria-current="true"] { border-top-color: var(--yellow); color: var(--yellow); background: #30302a; }
.cycle-selectors button:focus-visible { outline-offset: -4px; }

/* Let the visualization set the row height; only the explanation may scroll. */
.detail-panel { display: flex; flex-direction: column; align-self: stretch; contain: size; min-height: 0; max-height: 100%; padding: 25px; border-top: 2px solid var(--yellow); background: var(--surface); }
.detail-content { flex: 1 1 0; min-height: 0; overflow-y: auto; scrollbar-gutter: stable; }
.detail-content:focus-visible { outline-offset: -2px; }
.detail-meta { display: flex; flex: 0 0 auto; flex-direction: column; align-items: stretch; gap: 10px; padding-bottom: 19px; border-bottom: 1px solid #575757; color: var(--muted); }
:is(#detail-eyebrow, #orbit-detail-eyebrow) { margin-top: 25px; color: var(--yellow); }
:is(#detail-title, #orbit-detail-title) { margin-top: 12px; font-size: clamp(24px, 2.25vw, 33px); }
:is(#detail-description, #orbit-detail-description) { margin-top: 18px; color: #d0d0d0; font-size: 14px; line-height: 1.8; }
.evidence-box { margin-top: 25px; padding: 18px 17px; border-left: 2px solid var(--yellow); background: var(--dark); }
.evidence-label { display: block; color: var(--muted); }
:is(#detail-evidence, #orbit-detail-evidence) { margin-top: 9px; color: var(--light); font-size: 14px; line-height: 1.8; }
.progress-note { margin-top: 21px; padding-top: 18px; border-top: 1px solid #575757; }
:is(#detail-result, #orbit-detail-result) { color: var(--muted); font-size: 14px; line-height: 1.75; }
.detail-navigation { display: flex; flex: 0 0 auto; align-items: center; justify-content: space-between; gap: 12px; margin-top: 28px; }
.detail-navigation button { display: grid; place-items: center; min-width: 44px; min-height: 44px; padding: 8px 12px; border: 1px solid #6a6a6a; border-radius: 0; color: var(--light); background: transparent; font-size: 17px; }
.detail-navigation button:not(:disabled):hover { border-color: var(--yellow); color: var(--dark); background: var(--yellow); }
:is(#step-counter, #orbit-step-counter) { color: var(--muted); font: 12px/1.5 var(--mono); }
.method-legend { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; width: 100%; max-width: 360px; font-family: 'Segoe UI', Arial, Helvetica, sans-serif; letter-spacing: normal; text-transform: none; }
.method-legend button { display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; min-width: 44px; min-height: 44px; padding: 6px 0; border: 0; border-radius: 0; color: var(--muted); background: transparent; font-size: 14px; }
.method-legend b { display: grid; place-items: center; width: 26px; height: 26px; border: 1px solid #6a6a6a; border-radius: 50%; color: var(--light); font: 600 13px/1 var(--mono); }
.method-legend button:not(:disabled):hover, .method-legend button.is-active, .method-legend button[aria-pressed="true"] { color: var(--yellow); }
.method-legend button.is-active b, .method-legend button[aria-pressed="true"] b { border-color: var(--yellow); color: var(--yellow); }
.method-context, .demo-note { max-width: 90ch; margin-top: 17px; color: var(--muted); font-size: 14px; line-height: 1.75; }
.method-context p + p { margin-top: 8px; }
.method-context strong { color: var(--light); font-weight: 500; }
.text-version { margin-top: 24px; border-top: 1px solid var(--line); }
.text-version summary { min-height: 48px; padding-block: 14px; color: var(--muted); cursor: pointer; font-size: 14px; }
.text-version summary::marker { color: var(--yellow); }
.text-version summary:hover { color: var(--light); }
.text-version > div { max-width: 920px; padding-top: 8px; padding-bottom: 17px; }
.text-version h2, .text-version h3 { margin-top: 23px; margin-bottom: 13px; font-size: 21px; }
.text-version h4 { margin: 17px 0 8px; font-size: 15px; }
.text-version p, .text-version li { color: var(--muted); font-size: 13px; line-height: 1.8; }
.text-version p + p { margin-top: 12px; }
.text-version article + article, .text-version section + section { margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--line); }

/* Project descriptions use rules and whitespace rather than a wall of cards. */
.practice-section { margin-top: var(--section-space); border-top: 1px solid var(--line); }
.practice-section > .section-heading { padding-top: 28px; padding-bottom: 35px; }
.practice-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: clamp(28px, 4vw, 64px); }
.practice-item { position: relative; min-width: 0; padding: 26px 0 32px; border-top: 1px solid var(--line); }
.practice-item:first-child { grid-column: span 2; }
.practice-index { display: block; margin-bottom: 16px; color: var(--muted); font: 12px/1.5 var(--mono); }
.practice-item > .eyebrow { margin-bottom: 10px; }
.practice-item h3 { max-width: 27ch; margin-bottom: 15px; font-size: clamp(24px, 2.2vw, 32px); }
.practice-item p:not(.eyebrow) { max-width: 64ch; color: var(--muted); font-size: 14px; line-height: 1.8; }
.practice-item p + p { margin-top: 12px; }
.project-tags { display: flex; align-items: baseline; flex-wrap: wrap; gap: 7px 16px; margin-top: 20px; color: #d0d0ca; font: 12px/1.6 var(--mono); }
.project-tags span { padding-bottom: 3px; border-bottom: 1px solid var(--line); }
.practice-item > .text-link { margin-top: 13px; color: var(--light); }
.practice-item > .text-link:hover { color: var(--yellow); }
.recognition { display: grid; grid-template-columns: minmax(160px, 0.8fr) minmax(0, 2fr); gap: 8px 40px; margin-top: 25px; padding-block: 30px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.recognition > .eyebrow { grid-column: 1; }
.recognition > h3 { grid-column: 1; align-self: start; max-width: 20ch; font-size: 25px; }
.award-list { grid-column: 2; grid-row: 1 / span 2; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 25px; }
.award-item { display: flex; min-width: 0; flex-direction: column; align-items: flex-start; gap: 9px; min-height: 120px; padding: 2px 0; text-decoration: none; }
.award-year { color: var(--yellow); font: 13px/1.5 var(--mono); }
.award-item strong { color: var(--light); font-size: 15px; font-weight: 550; line-height: 1.4; }
.award-recipient { margin-top: auto; color: var(--muted); font-size: 13px; line-height: 1.6; }
.award-item:hover strong { color: var(--yellow); text-decoration: underline; text-underline-offset: 5px; }
.approach-note { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); column-gap: clamp(36px, 8vw, 120px); row-gap: 15px; margin-block: var(--section-space); }
.approach-note > .eyebrow { grid-column: 1 / -1; }
.approach-note h2 { grid-column: 1; grid-row: 2 / span 2; align-self: start; max-width: 21ch; font-size: clamp(31px, 3.5vw, 49px); }
.approach-note > p:not(.eyebrow) { grid-column: 2; align-self: start; max-width: 59ch; color: var(--muted); font-size: 15px; line-height: 1.85; }
.contact-section { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); align-items: end; gap: 35px 60px; margin-bottom: 65px; padding-top: 36px; border-top: 1px solid var(--yellow); }
.contact-copy { min-width: 0; }
.contact-copy h2 { max-width: 22ch; margin-top: 14px; font-size: clamp(31px, 3.5vw, 49px); }
.contact-copy > p:not(.eyebrow) { max-width: 58ch; margin-top: 19px; color: var(--muted); font-size: 14px; line-height: 1.75; }
.contact-link { display: inline-flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 20px; min-width: 0; min-height: 64px; padding-block: 12px; border-bottom: 1px solid var(--yellow); color: var(--yellow); font-size: clamp(20px, 2.2vw, 31px); letter-spacing: -0.035em; line-height: 1.4; overflow-wrap: anywhere; text-decoration: none; }
.contact-link:hover { color: var(--light); border-bottom-color: var(--light); }
.site-footer { border-top: 1px solid var(--line); }
.site-footer .shell { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 17px; color: var(--muted); font: 12px/1.7 var(--mono); }
.site-footer nav { display: flex; align-items: center; gap: 24px; }
.site-footer a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; }

/* A quieter reading page for the person behind the working model. */
.about-page { max-width: 1120px; }
.about-intro { max-width: 900px; padding-block: clamp(42px, 6vw, 84px) 45px; }
.about-intro h1 { max-width: 20ch; margin-top: 17px; font-size: clamp(38px, 5vw, 68px); }
.about-lead { max-width: 65ch; margin-top: 25px; color: var(--muted); font-size: clamp(17px, 1.7vw, 21px); line-height: 1.75; }
.about-story { border-top: 1px solid var(--line); }
.about-section { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.8fr); column-gap: clamp(32px, 7vw, 90px); padding-block: 35px; }
.about-section + .about-section { border-top: 1px solid var(--line); }
.about-section h2 { max-width: 21ch; font-size: clamp(25px, 2.6vw, 34px); }
.about-copy { min-width: 0; max-width: 67ch; }
.about-copy p { color: var(--muted); font-size: 15px; line-height: 1.85; }
.about-copy p + p { margin-top: 17px; }
.about-quote { max-width: 24ch; margin: 30px 0 60px; padding-left: 26px; border-left: 3px solid var(--yellow); color: var(--yellow); font-size: clamp(29px, 3.5vw, 44px); font-weight: 550; letter-spacing: -0.035em; line-height: 1.2; }
.about-quote p { margin: 0; }
.about-contact { margin-block: 20px 65px; padding-top: 32px; border-top: 1px solid var(--yellow); }
.about-contact h2 { max-width: 24ch; font-size: clamp(30px, 3.3vw, 44px); }
.about-contact p { max-width: 65ch; margin-top: 19px; color: var(--muted); }
.about-contact .text-link { margin-top: 18px; color: var(--yellow); }

@media (max-width: 1100px) {
    .site-header-inner { gap: 22px; }
    .header-nav { gap: 21px; }
    .hero-layout { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 32px; }
    .hero h1 { font-size: clamp(39px, 4.6vw, 54px); }
    .hero-actions { gap: 6px 16px; }
    .explorer-grid { grid-template-columns: minmax(0, 1fr); gap: 20px; }
    .detail-panel { contain: none; height: min(38rem, 80svh); padding: 25px; }
    :is(#detail-title, #orbit-detail-title) { max-width: 750px; font-size: 30px; }
    :is(#detail-description, #orbit-detail-description), .evidence-box, .progress-note { max-width: 850px; }
    .detail-navigation { max-width: 360px; }
    .helix-stage { max-width: 1000px; margin-inline: auto; }
    .practice-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 38px; }
    .recognition { grid-template-columns: minmax(140px, 0.7fr) minmax(0, 2fr); gap: 8px 28px; }
    .award-list { gap: 20px; }
    .award-item strong { font-size: 14px; }
    .approach-note, .contact-section { column-gap: 38px; }
}
@media (max-width: 760px) {
    :root { --gutter: 24px; --header-height: 105px; }
    .site-header-inner { flex-wrap: wrap; gap: 0 20px; padding-block: 12px 4px; }
    .brand { min-height: 42px; }
    .header-nav { order: 3; justify-content: flex-start; gap: 27px; width: 100%; margin-left: 0; }
    .language-switch { margin-left: auto; }
    .hero { padding-top: 33px; }
    .hero-layout { grid-template-columns: minmax(0, 1fr); gap: 23px; }
    .hero h1 { max-width: 18ch; font-size: clamp(39px, 6.8vw, 52px); }
    .hero-copy { max-width: 600px; }
    .hero-copy .lead { font-size: 17px; }
    .hero-actions { margin-top: 16px; }
    .hero-baseline { margin-top: 24px; }
    .section-heading { grid-template-columns: minmax(0, 1fr); row-gap: 12px; }
    .section-heading > h2 { font-size: 32px; }
    .section-heading > p:not(.eyebrow) { grid-column: 1; grid-row: auto; max-width: 64ch; font-size: 13px; }
    .section-heading > .eyebrow { margin-bottom: -3px; }
    .comparison-heading { grid-template-columns: minmax(0, 1fr); row-gap: 12px; }
    .comparison-heading > p:not(.eyebrow) { grid-column: 1; grid-row: auto; }
    .practice-grid { column-gap: 27px; }
    .practice-item h3 { font-size: 26px; }
    .recognition { grid-template-columns: minmax(0, 1fr); gap: 12px; }
    .recognition > h3 { max-width: none; }
    .award-list { grid-column: 1; grid-row: auto; gap: 20px; margin-top: 10px; }
    .award-item { min-height: 118px; }
    .approach-note, .contact-section { grid-template-columns: minmax(0, 1fr); gap: 23px; }
    .approach-note > .eyebrow { margin-bottom: -10px; }
    .approach-note h2 { grid-column: 1; grid-row: auto; }
    .approach-note > p:not(.eyebrow) { grid-column: 1; max-width: 65ch; font-size: 14px; }
    .contact-link { justify-self: start; min-width: min(100%, 340px); font-size: 27px; }
    .about-section { grid-template-columns: minmax(0, 1fr); gap: 19px; padding-block: 28px; }
    .about-section h2 { max-width: none; }
    .about-copy p { font-size: 14px; }
}
@media (max-width: 620px) {
    .case-options { grid-template-columns: minmax(0, 1fr); gap: 8px; }
    .case-options a { flex-direction: row; justify-content: space-between; align-items: center; gap: 14px; min-height: 56px; padding: 10px 13px; }
    .case-options span { text-align: right; }
    .case-intro { grid-template-columns: minmax(0, 1fr); gap: 12px; }
    /* Each perspective field repeats the outcome below the mobile scene. */
    .cycle-outcome { display: none; }
    :root { --gutter: 18px; --section-space: 64px; }
    .site-header-inner { gap: 0 13px; }
    .brand { gap: 8px; }
    .brand > span { font-size: 24px; }
    .brand img { width: 28px; height: 28px; }
    .header-nav { gap: 24px; }
    .header-nav a { font-size: 13px; }
    .prototype-label { order: 3; width: 100%; margin-top: 8px; font-size: 11px; }
    .intro { padding-top: 29px; padding-bottom: 22px; }
    .hero h1 { font-size: clamp(37px, 8.2vw, 47px); }
    .hero-copy .lead { font-size: 16px; }
    .hero-copy p + p { font-size: 13px; }
    .hero-baseline { gap: 6px 16px; font-size: 11px; }
    .section-heading > h2 { font-size: 29px; }
    #arbeitsweise > .section-heading { padding-top: 18px; padding-bottom: 24px; }
    .explorer-grid { gap: 17px; }
    .scene-toolbar { align-items: flex-start; gap: 10px; padding: 14px; }
    .scene-label { font-size: 11px; }
    .scene-meta { max-width: 190px; font-size: 11px; }
    :is(#motion-toggle, #orbit-motion-toggle) { max-width: 122px; padding: 7px 9px; font-size: 11px; }
    :is(#helix-scene, #orbit-helix-scene) > text { font-size: 18px; letter-spacing: -0.035em; }
    .node-letter { width: 22px; height: 22px; font-size: 12px; }
    .node-index { font-size: 10px; }
    .scene-caption { flex-direction: column; gap: 11px; padding: 14px; }
    .scene-caption p { font-size: 12px; }
    .axis-key { font-size: 11px; }
    .cycle-selectors { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .cycle-selectors button { min-height: 122px; padding: 13px 14px; }
    .cycle-selectors button:nth-child(2n) { border-right: 0; }
    .cycle-selectors button:nth-child(n + 3) { border-top-color: var(--line); }
    .cycle-selectors button:nth-child(n + 3).is-active, .cycle-selectors button:nth-child(n + 3)[aria-pressed="true"], .cycle-selectors button:nth-child(n + 3)[aria-current="true"] { border-top-color: var(--yellow); }
    .cycle-selectors strong { font-size: 13px; }
    .detail-panel { padding: 21px; }
    .detail-meta { font-size: 11px; }
    :is(#detail-eyebrow, #orbit-detail-eyebrow) { margin-top: 22px; }
    :is(#detail-title, #orbit-detail-title) { font-size: 27px; }
    :is(#detail-description, #orbit-detail-description) { font-size: 13px; }
    .evidence-box { padding: 16px 14px; }
    .method-context, .demo-note { font-size: 13px; }
    .text-version { margin-top: 23px; }
    .practice-section > .section-heading { padding-block: 24px 28px; }
    .practice-grid { grid-template-columns: minmax(0, 1fr); }
    .practice-item, .practice-item:first-child { grid-column: auto; padding-block: 23px 28px; }
    .practice-index { margin-bottom: 13px; }
    .practice-item h3 { font-size: 28px; }
    .practice-item p:not(.eyebrow) { font-size: 13px; }
    .project-tags { margin-top: 17px; }
    .recognition { margin-top: 14px; padding-block: 24px; }
    .award-list { grid-template-columns: minmax(0, 1fr); gap: 0; margin-top: 4px; }
    .award-item { display: grid; grid-template-columns: 45px minmax(0, 1fr); column-gap: 17px; row-gap: 5px; min-height: 0; padding-block: 17px; }
    .award-item + .award-item { border-top: 1px solid var(--line); }
    .award-year { grid-column: 1; grid-row: 1 / span 2; }
    .award-item strong { grid-column: 2; font-size: 15px; }
    .award-recipient { grid-column: 2; margin-top: 0; }
    .approach-note h2, .contact-copy h2 { font-size: 34px; }
    .contact-section { margin-bottom: 43px; padding-top: 28px; }
    .contact-link { justify-self: stretch; min-width: 0; width: 100%; font-size: 25px; }
    .site-footer .shell { align-items: flex-start; flex-direction: column; gap: 2px; padding-block: 17px 10px; font-size: 11px; }
}
@media (max-width: 360px) {
    :root { --gutter: 16px; }
    .header-nav { gap: 20px; }
    .hero h1 { font-size: 37px; }
    .hero-actions { gap: 6px 17px; }
    .button-primary { padding-inline: 16px; font-size: 14px; }
    .scene-toolbar { padding: 12px; }
    :is(#motion-toggle, #orbit-motion-toggle) { max-width: 94px; }
    :is(#helix-scene, #orbit-helix-scene) > text { font-size: 16px; }
    .cycle-selectors button { padding-inline: 11px; }
    .detail-panel { padding: 18px; }
    :is(#detail-title, #orbit-detail-title) { font-size: 25px; }
    .approach-note h2, .contact-copy h2 { font-size: 31px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}