/* Design-system site chrome. Built on milo.css; the site must itself read as Milo. */
.ds-shell { display: grid; grid-template-columns: var(--sidebar-nav) minmax(0, 1fr); grid-template-rows: auto 1fr; min-height: 100vh; }
.ds-topbar { grid-column: 1 / -1; display: flex; align-items: center; gap: var(--space-6); padding: var(--space-3) var(--grid-margin); border-bottom: 1px solid var(--hairline-strong); position: sticky; top: 0; background: var(--surface-primary); z-index: 20; min-height: 56px; }
.ds-topbar .theme-toggle { margin-left: auto; }
.ds-topbar-title { letter-spacing: 0.12em; }
.ds-nav-toggle { display: none; }
.ds-nav { border-right: 1px solid var(--hairline); padding: var(--space-6) var(--space-4) var(--space-8); position: sticky; top: 56px; height: calc(100vh - 56px); overflow: auto; display: flex; flex-direction: column; gap: var(--space-6); }
.ds-nav ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1px; }
.ds-nav a { display: grid; grid-template-columns: 2rem minmax(0, 1fr); align-items: center; gap: var(--space-2); min-height: 36px; padding: var(--space-1) var(--space-2); text-decoration: none; color: var(--text-secondary); border-left: 2px solid transparent; font-size: var(--type-body-s); }
.ds-nav a .index { color: var(--text-tertiary); }
.ds-nav a:hover { color: var(--text-primary); background: var(--surface-secondary); }
.ds-nav a[aria-current="page"] { color: var(--text-primary); border-left-color: var(--milo-agent); font-weight: 500; }
.ds-nav a[aria-current="page"] .index { color: var(--milo-agent-ink); }
.ds-nav-group { padding-top: var(--space-4); border-top: 1px solid var(--hairline); }
.ds-nav-group .micro { color: var(--text-tertiary); padding: 0 var(--space-2) var(--space-2); display: block; }
.ds-nav-foot { margin-top: auto; display: flex; flex-direction: column; gap: var(--space-1); padding: 0 var(--space-2); letter-spacing: 0.06em; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; vertical-align: middle; margin-left: var(--space-1); }
.dot.agent { background: var(--milo-agent); } .dot.signal { background: var(--offline-signal); }
.ds-main { min-width: 0; padding: 0 var(--grid-margin) var(--space-32); }
@media (min-width: 1440px) { .ds-main { --grid-margin: 80px; } }
.ds-foot { margin-top: var(--space-40); padding-top: var(--space-4); border-top: 1px solid var(--hairline-strong); display: flex; flex-direction: column; gap: var(--space-2); }
.ds-foot-row { display: flex; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }
.ds-foot-links { display: flex; gap: var(--space-6); }
.ds-foot-links a { text-decoration: none; font-size: var(--type-body-s); border-bottom: 1px solid var(--hairline-strong); }
.ds-foot-links a:hover { border-bottom-color: var(--milo-agent); }
@media (max-width: 1079px) {
  .ds-shell { grid-template-columns: 1fr; }
  .ds-nav-toggle { display: inline-flex; }
  .ds-nav { display: none; position: fixed; top: 56px; left: 0; right: 0; bottom: 0; background: var(--surface-primary); z-index: 19; height: auto; border-right: 0; }
  .ds-nav.is-open { display: flex; }
}

/* page hero */
.page-hero { padding: var(--space-24) 0 var(--space-20); border-bottom: 1px solid var(--hairline-strong); margin-bottom: var(--space-24); display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--space-12); align-items: end; }
.page-hero .kicker { display: flex; gap: var(--space-4); align-items: baseline; margin-bottom: var(--space-10); }
.page-hero .kicker .index { font-size: var(--type-mono); color: var(--milo-agent-ink); }
.page-hero h1 { margin: 0; }
.page-hero .lede { font-size: var(--type-title); font-weight: 400; line-height: 1.4; color: var(--text-secondary); max-width: var(--measure-narrow); margin: var(--space-10) 0 0; }
.page-hero .facts { font-family: var(--font-mono); font-size: var(--type-mono-micro); color: var(--text-tertiary); display: grid; gap: var(--space-1); justify-self: end; text-align: right; }
@media (max-width: 1079px) { .page-hero { grid-template-columns: 1fr; } .page-hero .facts { justify-self: start; text-align: left; } }

/* sections inside pages */
.ds-section { padding: var(--space-24) 0 var(--space-32); border-top: 1px solid var(--hairline); }
.ds-section:first-of-type, .page-hero + .ds-section, .plate + .ds-section { border-top: 0; padding-top: 0; }
.page-hero:has(+ .plate) { border-bottom: 0; margin-bottom: 0; }
.ds-section > .eyebrow { margin-bottom: var(--space-16); }
.ds-section h2 { font-family: var(--font-display); font-size: var(--type-display-l); font-weight: 400; line-height: 1.0; letter-spacing: -0.015em; margin: 0 0 var(--space-12); max-width: 16ch; }
.ds-section h3 { font-size: var(--type-title); font-weight: 500; margin: var(--space-16) 0 var(--space-5); }
.ds-section p { max-width: var(--measure-prose); line-height: 1.6; }
.ds-section p + p { margin-top: var(--space-6); }
.two-col { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: var(--space-16) calc(var(--grid-gutter) * 3); align-items: start; }
.three-col { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--grid-gutter); }
.four-col { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--grid-gutter); }
.six-col { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: var(--space-4); }
@media (max-width: 1079px) { .two-col { grid-template-columns: 1fr; } .four-col, .six-col { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 719px) { .three-col, .four-col, .six-col { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* specimen frames for components */
.specimen { border: 1px solid var(--hairline); padding: var(--space-6); background: var(--surface-primary); position: relative; min-width: 0; }
.specimen[data-theme="dark"] { color-scheme: dark; }
.specimen > .micro { position: absolute; top: -0.65em; left: var(--space-3); background: var(--surface-primary); padding: 0 var(--space-2); color: var(--text-tertiary); }
.specimen-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: var(--space-20) calc(var(--grid-gutter) * 2); }
.specimen-pair { display: grid; grid-template-columns: 1fr 1fr; gap: var(--grid-gutter); }
@media (max-width: 719px) { .specimen-pair { grid-template-columns: 1fr; } }
.specimen .states { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }
.spec-note { font-family: var(--font-mono); font-size: var(--type-mono-micro); color: var(--text-tertiary); margin-top: var(--space-3); }

/* colour swatches */
.swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: var(--space-4); }
.swatch { border: 1px solid var(--hairline); }
.swatch b { display: block; font-weight: 500; }
.swatch.on-dark { color: var(--milo-mineral-500); } .swatch.on-light { color: var(--milo-carbon-1000); }

/* type specimen */
.type-specimen { display: grid; grid-template-columns: 8rem minmax(0, 1fr); gap: var(--space-4); padding: var(--space-4) 0; border-bottom: 1px solid var(--hairline); align-items: baseline; }
.type-specimen .index { padding-top: 4px; }

/* gallery */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--space-20) calc(var(--grid-gutter) * 2); }
.gallery > :nth-child(6n+1) { grid-column: span 2; }
@media (max-width: 719px) { .gallery > :nth-child(6n+1) { grid-column: auto; } }
.gallery .figure img { aspect-ratio: 4 / 3; object-fit: cover; }
.gallery-toolbar { display: flex; gap: var(--space-4); align-items: center; flex-wrap: wrap; margin-bottom: var(--space-8); }
.gallery-toolbar .tabs { border-bottom: 0; }
.viewer { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: var(--grid-gutter); }
.viewer .figure img, .viewer .figure canvas { width: 100%; height: auto; max-height: 72vh; object-fit: contain; background: var(--surface-recessed); }
.viewer .figure { position: relative; }
.viewer .stage-label { position: absolute; top: var(--space-3); left: var(--space-3); font-family: var(--font-mono); font-size: var(--type-mono-micro); background: var(--surface-primary); padding: 2px var(--space-2); letter-spacing: 0.08em; }
@media (max-width: 1079px) { .viewer { grid-template-columns: 1fr; } }
.recipe-tabs { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.recipe-tabs button { border: 1px solid var(--hairline); background: transparent; min-height: 32px; padding: 0 var(--space-3); border-radius: var(--radius-control); cursor: pointer; font-family: var(--font-mono); font-size: var(--type-mono-micro); letter-spacing: 0.06em; }
.recipe-tabs button[aria-pressed="true"] { background: var(--surface-inverse); color: var(--text-inverse); border-color: var(--surface-inverse); }
.controls { display: grid; gap: var(--space-4); }
.controls .field .label { display: flex; justify-content: space-between; }
.controls .field .label output { font-family: var(--font-mono); font-size: var(--type-mono-micro); }

/* process strip */
.process-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); }
.process-strip .micro { display: block; margin-bottom: var(--space-2); }
.process-strip img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
@media (max-width: 719px) { .process-strip { grid-template-columns: 1fr; } }

/* screens gallery */
.screen-frame { border: 1px solid var(--hairline-strong); background: var(--surface-primary); overflow: hidden; }
.screen-frame iframe { width: 100%; height: 720px; border: 0; display: block; }
.screen-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: var(--space-8) var(--grid-gutter); }
.screen-list img { border: 1px solid var(--hairline); width: 100%; }

/* principle rows */
.principle { display: grid; grid-template-columns: 3rem minmax(0, 4fr) minmax(0, 8fr); gap: var(--grid-gutter); padding: var(--space-6) 0; border-top: 1px solid var(--hairline); align-items: start; }
.principle h3 { margin: 0; font-size: var(--type-heading); }
.principle .decision { font-size: var(--type-body-s); }
.principle .decision b { color: var(--milo-agent-ink); font-weight: 500; }
@media (max-width: 719px) { .principle { grid-template-columns: 3rem 1fr; } .principle .decision { grid-column: 2; } }

/* icon grid */
.icon-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: var(--space-4); }
.icon-cell { border: 1px solid var(--hairline); padding: var(--space-3); display: grid; justify-items: center; gap: var(--space-2); }
.icon-cell svg { width: 32px; height: 32px; }
.icon-cell .mono-micro { color: var(--text-tertiary); text-align: center; }
.icon-sizes { display: flex; align-items: end; gap: var(--space-6); }
.icon-sizes svg { display: block; }

/* level diagram */
.levels { display: grid; gap: var(--space-2); }
.level { display: grid; grid-template-columns: 4rem minmax(0, 1fr) auto; gap: var(--space-4); align-items: center; padding: var(--space-3) var(--space-4); border: 1px solid var(--hairline); }
.level .index { color: var(--milo-agent-ink); }
.level-3 { box-shadow: var(--shadow-3); background: var(--surface-secondary); }
.level-4 { box-shadow: var(--shadow-4); background: var(--surface-secondary); border-color: var(--milo-agent); }

/* hero art on manifesto */
.manifesto-hero { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--space-16) calc(var(--grid-gutter) * 2); align-items: end; padding: var(--space-32) 0 var(--space-24); }
.manifesto-hero .figure { align-self: stretch; margin-right: calc(-1 * var(--grid-margin)); margin-top: calc(-1 * var(--space-32)); }
.manifesto-hero .figure img, .manifesto-hero .figure canvas { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 5; }
.manifesto-hero .figure .artwork-caption { margin-right: var(--grid-margin); }
@media (max-width: 1079px) { .manifesto-hero .figure { margin-right: 0; margin-top: 0; } }
@media (max-width: 1079px) { .manifesto-hero { grid-template-columns: 1fr; } }
.lineage { display: flex; gap: var(--space-3); flex-wrap: wrap; align-items: center; font-family: var(--font-mono); font-size: var(--type-mono-micro); letter-spacing: 0.08em; }
.lineage span + span::before { content: '→'; margin-right: var(--space-3); color: var(--text-tertiary); }
.lineage span:last-child { color: var(--milo-agent-ink); }
.equation { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: var(--space-4); }
.equation > div { padding-top: var(--space-3); border-top: 1px solid var(--hairline-strong); }
.equation .micro { display: block; margin-bottom: var(--space-2); }
.equation ul { list-style: none; padding: 0; margin: 0; font-size: var(--type-body-s); color: var(--text-secondary); }

/* ---------- editorial bleeds + asymmetry (images break the column) ---------- */
.bleed-right { margin-right: calc(-1 * var(--grid-margin)); }
.bleed-left { margin-left: calc(-1 * var(--grid-margin)); }
.bleed-full { margin-inline: calc(-1 * var(--grid-margin)); }
.bleed-right img, .bleed-left img, .bleed-full img { width: 100%; }
.plate { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: var(--space-8) calc(var(--grid-gutter) * 2); align-items: end; margin: var(--space-24) 0; }
.plate.left { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); }
.plate.left > .figure { order: 2; }
.plate .figure img { width: 100%; height: auto; }
.plate .plate-note { max-width: 36ch; }
.plate .plate-note .artwork-caption .artist { white-space: normal; }
.plate .plate-note .artwork-caption { border-top: 1px solid var(--hairline-strong); grid-template-columns: 1fr; }
.plate .plate-note .artwork-caption .institution { text-align: left; }
.plate-tall .figure img { aspect-ratio: 4 / 5; object-fit: cover; }
.plate-wide .figure img { aspect-ratio: 21 / 9; object-fit: cover; }
.raise { margin-top: calc(-1 * var(--space-20)); }
.drop { margin-top: var(--space-20); }
@media (max-width: 1079px) { .plate, .plate.left { grid-template-columns: 1fr; } .plate.left > .figure { order: 0; } .bleed-right, .bleed-left { margin-inline: 0; } .raise, .drop { margin-top: 0; } }
.pull { font-family: var(--font-display); font-size: var(--type-display-m); line-height: 1.1; max-width: 24ch; margin: var(--space-16) 0; }
.pull em { font-style: italic; color: var(--milo-agent-ink); }