/* Orbit layout. Shared colours and typography come from hubuum.css. */
html {
  color-scheme: light;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a, button { touch-action: manipulation; }
:focus-visible { outline: 2px solid #9d6c24; outline-offset: 6px; border-radius: 2px; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-weight: 500; }
h1, h2 { letter-spacing: -.058em; }
h2 { font-size: clamp(2.5rem, 4vw, 3.75rem); line-height: 1.12; }
h3 { letter-spacing: -.025em; }
em { font-style: normal; color: #527b74; }
p { line-height: 1.75; }
[hidden] { display: none !important; }
.container { width: min(1240px, calc(100% - 112px)); margin-inline: auto; }
.skip-link { position: fixed; top: 8px; left: 12px; padding: 14px 20px; background: white; color: #174f57; z-index: 100; transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.eyebrow { font-size: 10px; font-weight: 650; line-height: 1.6; letter-spacing: .15em; text-transform: uppercase; }
.site-header { position: sticky; top: 0; z-index: 20; background: #f7f8f4ed; backdrop-filter: blur(18px); border-bottom: 1px solid #cedad56b; }
.header-inner { height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand span { font-size: 26px; letter-spacing: -.06em; font-weight: 650; }
.brand-mark { width: 33px; height: 35px; flex-shrink: 0; }
.main-nav { display: flex; align-items: center; gap: 32px; margin-left: auto; font-size: 12px; }
.main-nav a, .footer-meta a { padding-block: 10px; }
.main-nav a:hover, .footer-meta a:hover { text-decoration: underline; text-underline-offset: 5px; }
.header-cta { display: inline-flex; gap: 24px; align-items: center; padding: 12px 17px; font-size: 11px; border: 1px solid #bccdC5; border-radius: 4px; }
.header-cta:hover { background: #e7eee6; }
.hero { position: relative; overflow: clip; }
.hero-inner { min-height: 700px; display: flex; align-items: center; position: relative; padding-block: 90px 115px; }
.hero-copy { position: relative; z-index: 2; width: 660px; max-width: 64%; }
.hero .eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 30px; }
.status-dot { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: #447c70; box-shadow: 0 0 0 4px #e4ece3; }
h1 { font-size: clamp(3.4rem, 5.4vw, 5.2rem); line-height: 1.055; }
.hero h1 em { display: inline-block; }
.hero-description { max-width: 460px; margin-top: 28px; font-size: calc(17px * var(--body-text-scale)); color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 34px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: space-between; gap: 30px; padding: 13px 19px; font-size: 12px; font-weight: 550; border: 1px solid transparent; border-radius: 4px; transition: background .2s, transform .2s; }
.button.primary { color: #f4f7ed; background: var(--accent); }
.button.primary:hover { background: #256572; transform: translateY(-2px); }
.button.quiet { color: var(--ink); }
.button.quiet:hover { background: #e6eee6; }
.hero-art { position: absolute; width: 820px; right: -195px; top: -35px; pointer-events: none; }
.hero-art img { width: 100%; }
.hero-art figcaption { color: #57756f; font-size: 10px; letter-spacing: .06em; text-align: center; margin-top: -60px; }
.hero-foot { display: flex; justify-content: space-between; gap: 24px; padding-block: 23px; border-top: 1px solid var(--line); font-size: 10px; color: var(--muted); }
.hero-foot a { display: flex; gap: 30px; }
.hero-foot a:hover { color: var(--ink); }
.chapter { padding-block: 58px 116px; }
.section-label { display: flex; align-items: center; gap: 25px; color: #627771; font-size: 9px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 76px; }
.section-label > span:last-child { text-transform: none; letter-spacing: .025em; }
.section-rule { height: 1px; flex: 1; background: var(--line); }
.introduction { background: #fffefa; }
.intro-grid { display: grid; grid-template-columns: 1fr .86fr; gap: 120px; align-items: start; }
.section-copy { padding-top: 3px; font-size: calc(14px * var(--body-text-scale)); color: var(--muted); }
.section-copy .lead { font-size: calc(20px * var(--body-text-scale)); line-height: 1.5; color: var(--ink); letter-spacing: -.025em; }
.section-copy p + p { margin-top: 24px; }
.resource-types { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 58px; padding-top: 30px; border-top: 1px solid var(--line); }
.resource-types > span { padding: 12px 20px; font-size: 12px; border: 1px solid var(--line); border-radius: 3px; }
.resource-types .custom-type { border-style: dashed; display: flex; gap: 24px; color: var(--accent); }
.authority-section { background: #edf1e9; }
.authority-heading { display: flex; align-items: end; justify-content: space-between; gap: 55px; }
.authority-heading > p { max-width: 320px; color: var(--muted); font-size: calc(15px * var(--body-text-scale)); }
.authority-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; margin-top: 60px; }
.authority-card { border-top: 1px solid #bccfc3; padding-top: 26px; }
.authority-card h3 { font-size: 27px; margin-top: 15px; }
.authority-card > p { font-size: calc(14px * var(--body-text-scale)); color: var(--muted); margin-top: 19px; }
.authority-bridge { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 40px; }
.authority-bridge > span { height: 1px; flex: 1; background: linear-gradient(90deg, transparent, #91b0a2); }
.authority-bridge > span:last-child { transform: rotate(180deg); }
.authority-bridge .brand-mark { width: 26px; }
.authority-bridge strong { font-size: calc(12px * var(--body-text-scale)); font-weight: 500; }
.structure-section { background: #fffefa; }
.structure-heading > p { max-width: 560px; color: var(--muted); font-size: calc(15px * var(--body-text-scale)); margin-top: 28px; }
.schema-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 50px; }
.schema-card { padding: 34px; background: #edf2ee; min-width: 0; border: 1px solid #cedbd1; }
.schema-free { border-style: dashed; background: #f5f3ec; border-color: #c7cec0; }
.schema-card-heading { display: flex; align-items: center; gap: 22px; }
.schema-glyph { font-family: ui-monospace, monospace; font-size: 31px; color: #5f8577; flex-shrink: 0; white-space: nowrap; min-width: 36px; }
.schema-card-heading .eyebrow { font-size: 9px; }
.schema-card h3 { font-size: 25px; margin-top: 9px; }
.schema-card > p { margin-top: 22px; font-size: calc(14px * var(--body-text-scale)); color: var(--muted); min-height: 3.5em; }
.schema-card > p a { color: var(--accent); text-decoration: underline; text-underline-offset: .2em; }
.record-example { margin-top: 26px; background: #fffefb; border: 1px solid #d4ddd3; min-height: 241px; }
.record-title { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; border-bottom: 1px solid #dae2d8; padding: 16px 19px; }
.record-title strong { font-size: calc(12px * var(--body-text-scale)); font-weight: 550; }
.record-title > span { font-size: calc(9px * var(--body-text-scale)); color: var(--muted); }
.record-example dl { margin: 0; padding: 6px 19px; }
.record-example dl > div { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-block: 12px; border-bottom: 1px solid #e3e8df; }
.record-example dl > div:last-child { border: 0; }
.record-example dt { font-size: calc(12px * var(--body-text-scale)); }
.record-example dt span { display: block; font-size: calc(9px * var(--body-text-scale)); color: #6d7c70; margin-top: 3px; }
.record-example dd { margin: 0; min-width: 0; max-width: 58%; overflow-wrap: anywhere; text-align: right; font-family: ui-monospace, monospace; font-size: calc(12px * var(--body-text-scale)); }
.record-example pre { margin: 0; padding: 25px 19px; white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.9; font-size: calc(12px * var(--body-text-scale)); }
.record-example code { font-family: ui-monospace, monospace; }
.schema-common { text-align: center; font-size: calc(13px * var(--body-text-scale)); line-height: 1.9; margin-top: 35px; color: var(--muted); }
.schema-common strong { font-weight: 550; color: var(--ink); }
.connection-section { background: var(--dark); color: var(--light-ink); position: relative; }
.connection-section .section-label { color: #a2bbb6; }
.connection-section .section-rule { background: #38565b; }
.connection-section em { color: var(--highlight); }
.connection-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; }
.connection-heading > p { font-size: calc(13px * var(--body-text-scale)); color: #acc6bf; margin-bottom: 5px; }
.connection-grid { display: grid; grid-template-columns: 1.32fr .8fr; gap: 75px; margin-top: 70px; align-items: center; }
.model-figure img { width: 100%; }
.figure-caption { display: block; text-align: center; font-size: 9px; letter-spacing: .04em; color: #a7c0bb; margin-top: -8px; }
.model-tabs { display: none; gap: 21px; border-bottom: 1px solid #496367; margin-bottom: 32px; }
.enhanced .model-tabs { display: flex; }
.model-tabs button { padding: 12px 0; background: none; color: #aac2bc; border: 0; border-bottom: 2px solid transparent; cursor: pointer; font-size: 12px; }
.model-tabs button[aria-selected="true"] { color: #e3f5e9; border-color: var(--highlight); }
.model-tabs button:hover { color: white; }
.model-panel { min-height: 325px; }
.model-panel .eyebrow { color: #a3c2b6; font-size: 9px; }
.model-panel h3 { font-size: 29px; line-height: 1.2; margin-top: 15px; }
.model-panel > p { font-size: calc(12px * var(--body-text-scale)); color: #b7c9c3; margin-top: 18px; max-width: 345px; }
.example-detail { display: grid; grid-template-columns: 84px 1fr; gap: 10px 20px; margin-top: 24px; padding-top: 19px; border-top: 1px solid #35525a; font-size: calc(10px * var(--body-text-scale)); }
.example-detail span { color: #a3bdb7; }
.example-detail strong { font-weight: 500; }
.text-link { display: inline-flex; gap: 22px; align-items: center; font-size: 11px; font-weight: 550; padding-block: 12px; }
.text-link:hover { text-decoration: underline; text-underline-offset: 6px; }
.model-story > .text-link { margin-top: 20px; color: #d0e5d9; }
.ecosystem-section { background: #fffefa; }
.ecosystem-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 58px; }
.ecosystem-heading > p { font-size: calc(14px * var(--body-text-scale)); color: var(--muted); }
.ecosystem-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 30px; }
.ecosystem-server { display: flex; flex-direction: column; align-items: start; padding: 36px; background: #e7ede5; border: 1px solid #d4dfd6; border-radius: 5px; transition: background .2s; }
.ecosystem-server:hover { background: #dde7dc; }
.ecosystem-server > .brand-mark { width: 78px; height: 90px; margin-block: 30px 22px; }
.ecosystem-server h3 { font-size: 29px; }
.ecosystem-server p { margin-top: 12px; color: var(--muted); font-size: calc(13px * var(--body-text-scale)); max-width: 310px; }
.ecosystem-server .text-link { margin-top: auto; padding-top: 28px; }
.ecosystem-tools { display: flex; flex-direction: column; }
.ecosystem-tools > a { display: flex; align-items: center; gap: 25px; padding: 24px 16px; border-bottom: 1px solid var(--line); flex: 1; transition: background .2s; }
.ecosystem-tools > a:first-child { border-top: 1px solid var(--line); }
.ecosystem-tools > a:hover { background: #f0f4ed; }
.tool-icon { width: 46px; height: 46px; border: 1px solid #cad7cd; border-radius: 8px; display: flex; align-items: center; justify-content: center; color: #466d66; font-size: 25px; flex-shrink: 0; }
.code-icon { font-size: 15px; font-family: ui-monospace, monospace; }
.ecosystem-tools h3 { font-size: 18px; }
.ecosystem-tools p { font-size: calc(12px * var(--body-text-scale)); color: var(--muted); margin-top: 5px; }
.ecosystem-tools > a > span:last-child { margin-left: auto; font-size: 19px; }
.closing { overflow: clip; position: relative; background: #e7eee5; }
.closing-inner { position: relative; padding-block: 105px; }
.closing-inner > div { position: relative; z-index: 1; }
.closing .eyebrow { margin-bottom: 25px; }
.closing-art { position: absolute; width: 650px; right: -170px; top: -70px; opacity: .7; pointer-events: none; }
.site-footer { padding-block: 50px; border-top: 1px solid var(--line); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.site-footer .brand { font-size: 22px; }
.site-footer p { color: var(--muted); font-size: calc(10px * var(--body-text-scale)); margin-top: 12px; }
.footer-meta { text-align: right; }
.footer-meta nav { display: flex; justify-content: flex-end; gap: 24px; font-size: 10px; }

/* Orbit: ember, gold, and coral around a luminous centre. */
.orbit { color: var(--ink); background: var(--paper); }
.orbit :focus-visible { outline-color: var(--hubuum-focus); }
.orbit em { color: var(--hubuum-emphasis); }
.orbit .skip-link { color: var(--accent); }
.orbit .site-header { background: var(--hubuum-header); color: var(--light-ink); border-color: var(--hubuum-header-border); }
.orbit .header-cta { border-color: var(--hubuum-button-border); }
.orbit .header-cta:hover { background: var(--hubuum-dark-hover); }
.orbit .hero { background: var(--orbit-night); color: var(--light-ink); }
.orbit .hero-inner { display: block; text-align: center; padding-block: 77px 0; }
.orbit .hero-copy { width: 1050px; max-width: 100%; margin: auto; }
.orbit .hero .eyebrow { justify-content: center; color: var(--hubuum-eyebrow-dark); }
.orbit .status-dot { background: var(--highlight); box-shadow: 0 0 0 4px var(--hubuum-halo); }
.orbit h1 { font-size: clamp(3.6rem, 6.3vw, 6.2rem); }
.orbit .hero em, .orbit .closing em { color: var(--highlight); }
.orbit .hero-description { color: var(--hubuum-hero-copy); max-width: 620px; margin: 25px auto 0; font-size: calc(16px * var(--body-text-scale)); }
.orbit .hero .actions { justify-content: center; margin-top: 27px; }
.orbit .button.primary:hover { background: var(--hubuum-accent-hover); }
.orbit .button.quiet:hover { background: var(--hubuum-quiet-hover); }
.orbit .hero .button.primary, .orbit .closing .button.primary { background: linear-gradient(105deg, var(--hubuum-cta-start), var(--hubuum-cta-end)); color: var(--hubuum-cta-ink); }
.orbit .hero .button.primary:hover, .orbit .closing .button.primary:hover { background: linear-gradient(105deg, var(--hubuum-cta-hover-start), var(--hubuum-cta-hover-end)); }
.orbit .hero .button.quiet, .orbit .closing .button.quiet { color: var(--hubuum-quiet-ink); }
.orbit .hero .button.quiet:hover, .orbit .closing .button.quiet:hover { background: var(--hubuum-dark-hover); }
.orbit .hero-art { position: relative; width: 1200px; max-width: 110%; left: 50%; right: auto; top: auto; transform: translateX(-50%); margin-top: -73px; }
.orbit .hero-art figcaption { margin-top: -96px; padding-bottom: 37px; color: var(--hubuum-caption-dark); }
.orbit .hero-foot { color: var(--hubuum-footer-dark); border-color: var(--hubuum-header-border); }
.orbit .hero-foot a:hover { color: white; }
.orbit .introduction, .orbit .structure-section, .orbit .ecosystem-section { background: var(--hubuum-surface); }
.orbit .section-label, .orbit .record-example dt span { color: var(--hubuum-label); }
.orbit .authority-section { background: var(--hubuum-surface-muted); }
.orbit .authority-card { border-color: var(--hubuum-card-border); }
.orbit .authority-bridge > span { background: linear-gradient(90deg, transparent, var(--hubuum-connector)); }
.orbit .schema-card { background: var(--hubuum-schema-surface); border-color: var(--hubuum-schema-border); }
.orbit .schema-free { background: var(--hubuum-free-surface); border-color: var(--hubuum-free-border); }
.orbit .schema-glyph { color: var(--hubuum-glyph); }
.orbit .record-example { background: var(--hubuum-surface); border-color: var(--hubuum-record-border); }
.orbit .record-title, .orbit .record-example dl > div { border-bottom-color: var(--line); }
.orbit .connection-section .section-label, .orbit .figure-caption,
.orbit .model-tabs button, .orbit .model-panel .eyebrow, .orbit .example-detail span { color: var(--hubuum-muted-dark); }
.orbit .connection-section .section-rule { background: var(--hubuum-line-dark); }
.orbit .connection-section em { color: var(--highlight); }
.orbit .connection-heading > p, .orbit .model-panel > p { color: var(--hubuum-copy-dark); }
.orbit .model-tabs { border-color: var(--hubuum-tab-border); }
.orbit .model-tabs button[aria-selected="true"] { color: var(--hubuum-tab-active); border-color: var(--highlight); }
.orbit .model-tabs button:hover { color: white; }
.orbit .example-detail { border-color: var(--hubuum-line-dark); }
.orbit .model-story > .text-link { color: var(--hubuum-link-dark); }
.orbit .ecosystem-server { background: var(--hubuum-server-surface); border-color: var(--hubuum-server-border); }
.orbit .ecosystem-server:hover { background: var(--hubuum-server-hover); }
.orbit .ecosystem-tools > a:hover { background: var(--hubuum-tool-hover); }
.orbit .tool-icon { border-color: var(--hubuum-tool-border); color: var(--hubuum-tool-ink); }
.orbit .closing { background: var(--orbit-night); color: var(--light-ink); }
.orbit .closing-art { top: 10px; width: 780px; right: -240px; opacity: .75; }

@keyframes settle { from { transform: translateY(12px); } to { transform: translateY(0); } }
.is-visible { animation: settle .7s cubic-bezier(.2, .6, .3, 1) both; }
@media (min-width: 1700px) {
  .container { width: min(1370px, calc(100% - 160px)); }
  .hero-inner { min-height: 780px; }
  .hero-art { width: 930px; right: -140px; }
}
@media (max-width: 1150px) {
  .container { width: calc(100% - 72px); }
  .hero-art { width: 700px; right: -230px; top: 10px; opacity: .85; }
  .hero-copy { max-width: 66%; }
  .intro-grid { gap: 65px; }
  .connection-grid { gap: 38px; grid-template-columns: 1.2fr 1fr; }
  .connection-heading > p { max-width: 220px; }
}
@media (max-width: 800px) {
  .authority-heading { display: block; }
  .authority-heading > p { max-width: 520px; margin-top: 25px; }
  .authority-grid { gap: 30px; }
  .authority-card h3 { font-size: 24px; }
  .schema-grid { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 20px; }
  .schema-card { padding: 22px; }
  .schema-card-heading { gap: 12px; }
  .schema-card h3 { font-size: 22px; }
  .container { width: calc(100% - 48px); }
  .header-inner { height: 75px; gap: 20px; }
  .main-nav { gap: 20px; }
  .main-nav a:nth-child(2) { display: none; }
  .header-cta { padding: 10px 12px; gap: 12px; }
  .hero-inner { padding-top: 75px; min-height: 650px; }
  .hero-copy { max-width: 77%; }
  h1 { font-size: clamp(3.2rem, 7vw, 4rem); }
  .hero-description { font-size: calc(15px * var(--body-text-scale)); max-width: 390px; }
  .hero-art { right: -340px; top: 55px; opacity: .6; }
  .chapter { padding-block: 40px 75px; }
  .section-label { margin-bottom: 48px; gap: 20px; }
  .section-label > span:last-child { display: none; }
  .intro-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .connection-heading { display: block; }
  .connection-heading > p { margin-top: 22px; max-width: none; }
  .connection-heading > p br { display: none; }
  .connection-grid { grid-template-columns: 1fr; gap: 35px; margin-top: 35px; }
  .model-figure { max-width: 680px; }
  .model-story { max-width: 500px; margin: auto; width: 100%; }
  .model-panel { min-height: 290px; }
  .model-panel > p { max-width: 100%; font-size: calc(14px * var(--body-text-scale)); }
  .model-tabs button { font-size: 14px; }
  .example-detail { font-size: calc(12px * var(--body-text-scale)); }
  .ecosystem-heading { align-items: start; }
  .ecosystem-heading > p { max-width: 270px; }
  .ecosystem-heading > p br { display: none; }
  .ecosystem-grid { gap: 20px; }
  .ecosystem-server { padding: 26px; }
  .ecosystem-tools > a { gap: 15px; padding-inline: 0; }
  .tool-icon { width: 36px; height: 36px; font-size: 19px; }
  .code-icon { font-size: 13px; }
  .ecosystem-tools h3 { font-size: 16px; }
  .ecosystem-tools p { font-size: calc(11px * var(--body-text-scale)); }
  .closing-art { right: -300px; opacity: .35; }
  .orbit .hero-art { width: 110%; max-width: none; margin-top: -20px; opacity: 1; }
  .orbit .hero-art figcaption { margin-top: -55px; padding-bottom: 25px; }
}
@media (max-width: 560px) {
  .resource-types { gap: 8px; margin-top: 30px; }
  .resource-types > span { font-size: 10px; padding: 10px 12px; }
  .authority-heading h2 { font-size: clamp(28px, 8.8vw, 36px); }
  .authority-heading > p, .structure-heading > p { font-size: calc(14px * var(--body-text-scale)); }
  .authority-grid, .schema-grid { grid-template-columns: 1fr; gap: 32px; margin-top: 35px; }
  .authority-bridge { gap: 10px; }
  .authority-bridge strong { font-size: calc(10px * var(--body-text-scale)); }
  .authority-bridge .brand-mark { width: 23px; }
  .schema-card { padding: 24px 20px; }
  .schema-card > p { min-height: 0; font-size: calc(13px * var(--body-text-scale)); }
  .schema-card h3 { font-size: 23px; }
  .schema-common { font-size: calc(12px * var(--body-text-scale)); }
  .schema-common br { display: none; }
  .record-example pre { font-size: calc(11px * var(--body-text-scale)); padding: 20px 14px; }
  html { scroll-padding-top: 84px; }
  .container { width: calc(100% - 40px); }
  .header-inner { height: 72px; gap: 12px; }
  .brand { gap: 7px; }
  .brand span { font-size: 23px; }
  .brand-mark { width: 28px; height: 30px; }
  .main-nav { display: none; }
  .header-cta { font-size: 10px; padding: 10px 11px; gap: 12px; }
  .hero-inner { display: block; min-height: 0; padding-block: 62px 0; }
  .hero-copy { width: 100%; max-width: none; }
  .hero .eyebrow { font-size: 8px; margin-bottom: 23px; }
  h1 { font-size: clamp(2.65rem, 10.6vw, 3.65rem); line-height: 1.09; letter-spacing: -.06em; }
  .hero-description { font-size: calc(14px * var(--body-text-scale)); line-height: 1.75; margin-top: 22px; max-width: 100%; }
  .actions { gap: 7px; margin-top: 25px; }
  .button { padding: 12px 14px; gap: 19px; font-size: 11px; min-height: 46px; }
  .hero-art { position: relative; width: 115%; max-width: none; top: auto; right: auto; left: -7.5%; margin-top: -28px; opacity: 1; }
  .hero-art figcaption { margin-top: -45px; padding-bottom: 28px; font-size: 8px; }
  .hero-foot { padding-block: 18px; font-size: 9px; }
  .hero-foot a { font-size: 0; gap: 0; }
  .hero-foot a span { font-size: 18px; }
  h2 { font-size: 36px; letter-spacing: -.052em; }
  .chapter { padding-block: 33px 60px; }
  .section-label { font-size: 8px; margin-bottom: 38px; gap: 16px; }
  .intro-grid { grid-template-columns: 1fr; gap: 28px; }
  .section-copy .lead { font-size: calc(19px * var(--body-text-scale)); }
  .section-copy { font-size: calc(13px * var(--body-text-scale)); }
  .section-copy p + p { margin-top: 18px; }
  .connection-grid { margin-top: 25px; gap: 35px; }
  .connection-heading > p { font-size: calc(13px * var(--body-text-scale)); }
  .model-figure { margin-inline: -12px; }
  .figure-caption { font-size: 8px; margin-top: 0; }
  .model-panel { min-height: 345px; }
  .model-panel h3 { font-size: 29px; }
  .model-tabs { gap: clamp(14px, 5vw, 25px); margin-bottom: 25px; }
  .example-detail { grid-template-columns: max-content minmax(0, 1fr); font-size: calc(11px * var(--body-text-scale)); }
  .ecosystem-heading { display: block; margin-bottom: 35px; }
  .ecosystem-heading > p { max-width: none; margin-top: 24px; font-size: calc(13px * var(--body-text-scale)); }
  .ecosystem-grid { grid-template-columns: 1fr; gap: 24px; }
  .ecosystem-server { padding: 29px; }
  .ecosystem-server > .brand-mark { width: 57px; height: 66px; margin-block: 23px; }
  .ecosystem-server h3 { font-size: 27px; }
  .ecosystem-tools > a { padding: 23px 5px; gap: 20px; }
  .ecosystem-tools h3 { font-size: 18px; }
  .ecosystem-tools p { font-size: calc(12px * var(--body-text-scale)); }
  .closing-inner { padding-block: 68px 220px; }
  .closing h2 { font-size: 35px; }
  .closing .eyebrow { font-size: 8px; }
  .closing-art { width: 370px; top: auto; bottom: -140px; right: -45px; opacity: .9; }
  .footer-inner { display: block; }
  .footer-meta { text-align: left; margin-top: 30px; }
  .footer-meta nav { justify-content: flex-start; gap: 25px; }
  .site-footer p { font-size: calc(9px * var(--body-text-scale)); }
  .orbit .hero-inner { padding-top: 59px; }
  .orbit h1 { font-size: clamp(3.05rem, 12vw, 4rem); }
  .orbit .hero-description { font-size: calc(14px * var(--body-text-scale)); }
  .orbit .hero-art { width: 145%; max-width: none; left: 50%; margin-top: 5px; }
  .orbit .hero-art figcaption { margin-top: -34px; padding-bottom: 29px; font-size: 7px; }
  .orbit .closing-art { width: 580px; top: auto; bottom: -95px; right: -115px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* The full model stays available when scripts are disabled. */
html:not(.enhanced) .model-panel { min-height: 0; margin-bottom: 3rem; }