/* SemiconductorX - network skeleton (AustinIO and DatacentersX structure).
   Layout: sticky head with dropdown nav, hero with page-specific signature art, data strip,
   sticky contents sidebar with section highlighting, color-banded tables, Record section.
   Two color systems carry meaning:
   1. Chain stage (data-c): materials, wafers, design, front-end fab, equipment, packaging, chips.
   2. US production status (data-us): made in US, some US volume, US planned, made abroad, not disclosed.
      Same five categories as the DatacentersX supplier rings, drawn as a sequence of the brand indigo. */

:root {
  --bg: #F3F4F7;
  --bg-2: #E8EAF0;
  --panel: #FFFFFF;
  --line: #CCD0DA;
  --line-soft: #DFE2E9;
  --fg: #12141A;
  --fg-2: #3D4250;
  --fg-3: #6A7080;
  --head: #2E2A7A;
  --link: #4338CA;
  --brand: #4F46E5;
  --hero: #EAECF3;
  --grid: rgba(79,70,229,.06);
  /* chain stages */
  --c-mat: #B45309;
  --c-wafer: #0F766E;
  --c-design: #7C3AED;
  --c-fab: #1D5FD0;
  --c-tool: #52606D;
  --c-pkg: #15803D;
  --c-chip: #BE185D;
  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --body: "Instrument Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
  --wrap: 1240px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0F1015; --bg-2: #171922; --panel: #1C1F29; --line: #343846; --line-soft: #252834;
    --fg: #E9EBF2; --fg-2: #B6BBC9; --fg-3: #858B9B; --head: #C3C0FF; --link: #A5A1FF; --brand: #8B84FF;
    --hero: #0C0D12; --grid: rgba(139,132,255,.05);
    --c-mat: #F0A54A; --c-wafer: #3CC7B5; --c-design: #B794F8; --c-fab: #6FA3F5; --c-tool: #A2AEBB; --c-pkg: #4FCB7D; --c-chip: #F075AE;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0F1015; --bg-2: #171922; --panel: #1C1F29; --line: #343846; --line-soft: #252834;
  --fg: #E9EBF2; --fg-2: #B6BBC9; --fg-3: #858B9B; --head: #C3C0FF; --link: #A5A1FF; --brand: #8B84FF;
  --hero: #0C0D12; --grid: rgba(139,132,255,.05);
  --c-mat: #F0A54A; --c-wafer: #3CC7B5; --c-design: #B794F8; --c-fab: #6FA3F5; --c-tool: #A2AEBB; --c-pkg: #4FCB7D; --c-chip: #F075AE;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--body); font-size: 17px; line-height: 1.62; -webkit-font-smoothing: antialiased; }
a { color: var(--link); text-decoration-color: color-mix(in srgb, var(--link) 40%, transparent); text-underline-offset: 3px; }
a:hover { text-decoration-color: currentColor; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }
h1, h2, h3 { text-wrap: balance; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.k { font-family: var(--mono); font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-3); }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- chain stages ---------- */
[data-c="mat"] { --cc: var(--c-mat); }
[data-c="wafer"] { --cc: var(--c-wafer); }
[data-c="design"] { --cc: var(--c-design); }
[data-c="fab"] { --cc: var(--c-fab); }
[data-c="tool"] { --cc: var(--c-tool); }
[data-c="pkg"] { --cc: var(--c-pkg); }
[data-c="chip"] { --cc: var(--c-chip); }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--cc, var(--fg-3)); margin-right: 8px; vertical-align: 1px; }
.legend { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 0 0 20px; padding: 0; list-style: none; font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--fg-2); }

/* ---------- US production status ---------- */
[data-us="now"] { --uf: var(--brand); --us: var(--brand); }
[data-us="some"] { --uf: color-mix(in srgb, var(--brand) 50%, var(--panel)); --us: var(--brand); }
[data-us="plan"] { --uf: color-mix(in srgb, var(--brand) 10%, var(--panel)); --us: var(--brand); }
[data-us="abroad"] { --uf: color-mix(in srgb, var(--fg-3) 30%, var(--panel)); --us: var(--fg-3); }
[data-us="nd"] { --uf: var(--panel); --us: var(--fg-3); }
.us-sw { display: inline-block; width: 14px; height: 14px; border-radius: 3px; margin-right: 8px; vertical-align: -2px; background: var(--uf); border: 1.5px solid var(--us); }
[data-us="plan"] .us-sw, .us-sw[data-us="plan"] { border-style: dashed; }
[data-us="nd"] .us-sw, .us-sw[data-us="nd"] { border-style: dotted; }
.us-tag { display: inline-block; padding: 1px 8px; border-radius: 999px; font-family: var(--mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; background: var(--uf); border: 1px solid var(--us); color: var(--fg); }
[data-us="now"] .us-tag, .us-tag[data-us="now"] { color: #fff; }
[data-us="plan"] .us-tag, .us-tag[data-us="plan"] { border-style: dashed; }

/* ---------- header and nav ---------- */
.head { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line-soft); }
.head__in { display: flex; align-items: center; gap: 24px; height: 64px; position: relative; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--fg); white-space: nowrap; }
.logo svg { width: 28px; height: 28px; flex: none; }
.lg-wafer { stroke: var(--fg-3); }
.lg-die { fill: color-mix(in srgb, var(--fg-3) 38%, transparent); }
.lg-on { fill: var(--brand); }
.logo__word { font-family: var(--display); font-variation-settings: "wdth" 112; font-weight: 700; font-size: 19px; letter-spacing: -.01em; }
.logo__word span { color: var(--brand); }

.nv { display: flex; align-items: center; gap: 0; margin-left: auto; }
.nv-item { position: relative; }
.nv-top { display: inline-flex; align-items: center; gap: 6px; color: var(--fg-2); text-decoration: none; font-size: 14.5px; font-weight: 500; padding: 20px 8px; box-shadow: inset 0 -2px 0 transparent; transition: color .15s, box-shadow .15s; white-space: nowrap; }
.nv-top::after { content: ""; width: 5px; height: 5px; border-right: 1.3px solid currentColor; border-bottom: 1.3px solid currentColor; transform: rotate(45deg) translate(-1px, -1px); opacity: .5; }
.nv-top:hover, .nv-item:hover .nv-top, .nv-item:focus-within .nv-top, .nv-top[aria-current] { color: var(--fg); box-shadow: inset 0 -2px 0 var(--brand); }
.nv-panel { position: absolute; top: 100%; left: -12px; min-width: 250px; background: var(--panel); border: 1px solid var(--line); border-top: 2px solid var(--brand); border-radius: 0 0 6px 6px; padding: 12px 0; opacity: 0; visibility: hidden; transform: translateY(-6px); transition: opacity .16s, transform .16s, visibility .16s; box-shadow: 0 18px 36px -20px rgba(18,20,26,.35); }
.nv-item:hover .nv-panel, .nv-item:focus-within .nv-panel { opacity: 1; visibility: visible; transform: none; }
.nv-panel ul { list-style: none; margin: 0; padding: 0; }
.nv-panel a { display: block; padding: 5px 18px; font-size: 14.5px; color: var(--fg-2); text-decoration: none; white-space: nowrap; border-left: 2px solid transparent; }
.nv-panel a:hover, .nv-panel a:focus-visible { color: var(--fg); background: var(--bg-2); border-left-color: var(--brand); }
.nv-h { display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-3); padding: 12px 18px 4px; }
.nv-item--mega { position: static; }
.nv-panel--mega { left: 16px; right: 16px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 8px; padding: 16px 8px 18px; }
.nv-panel--mega4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.nv-panel--mega .nv-h { padding-top: 2px; }
.nv-panel--mega a { white-space: normal; }
.nv-item:not(.nv-item--mega):nth-last-child(-n+3) .nv-panel { left: auto; right: -12px; }
.burger { display: none; margin-left: auto; background: none; border: 1px solid var(--line); border-radius: 6px; color: var(--fg); font: 500 14px var(--body); padding: 6px 12px; cursor: pointer; }

/* ---------- home hero ---------- */
.hero { position: relative; background: var(--hero); border-bottom: 1px solid var(--line); overflow: hidden; }
.hero::before, .dp-hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 32px 32px; }
.hero__in { position: relative; display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: 40px; align-items: center; padding-block: 52px 32px; }
.hero h1 { font-family: var(--display); font-variation-settings: "wdth" 118; font-weight: 750; font-size: clamp(34px, 4.6vw, 58px); line-height: 1.02; letter-spacing: -.02em; margin: 14px 0 20px; max-width: 15ch; }
.hero__sub { font-size: clamp(17px, 1.5vw, 19px); color: var(--fg-2); max-width: 54ch; margin: 0; }
.hero__acts { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn { display: inline-block; padding: 11px 18px; border-radius: 6px; font-weight: 600; font-size: 15px; text-decoration: none; border: 1px solid var(--fg); color: var(--bg); background: var(--fg); }
.btn--ghost { background: transparent; color: var(--fg); border-color: var(--line); }
.hero__map svg { display: block; width: 100%; height: auto; }

.meta { position: relative; border-top: 1px solid var(--line); }
.meta__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.meta__c { padding: 16px 20px; border-left: 1px solid var(--line); }
.meta__c:first-child { border-left: 0; padding-left: 0; }
.meta__v { font-family: var(--mono); font-size: 16px; font-variant-numeric: tabular-nums; }
.meta__v em { font-style: normal; color: var(--fg-3); font-size: 13px; }

/* ---------- home sections ---------- */
.sec { padding-block: 72px; border-bottom: 1px solid var(--line-soft); }
.sec__k { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--head); display: flex; align-items: center; gap: 10px; margin: 0 0 10px; }
.sec__k::before { content: ""; width: 18px; height: 1px; background: currentColor; }
.sec h2 { font-family: var(--display); font-variation-settings: "wdth" 110; font-weight: 700; font-size: clamp(26px, 3vw, 38px); line-height: 1.1; letter-spacing: -.015em; color: var(--fg); margin: 0 0 12px; max-width: 30ch; }
.sec__lede { color: var(--fg-2); max-width: 66ch; margin: 0 0 36px; }

.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.pillar { background: var(--panel); padding: 26px 24px 24px; display: flex; flex-direction: column; gap: 10px; min-width: 0; border-top: 3px solid var(--cc, var(--brand)); }
.pillar--wide { grid-column: span 2; }
.pillar h3 { font-family: var(--display); font-variation-settings: "wdth" 108; font-weight: 650; font-size: 21px; margin: 0; }
.pillar h3 a { color: var(--fg); text-decoration: none; }
.pillar h3 a:hover { color: var(--link); }
.pillar p { margin: 0; color: var(--fg-2); font-size: 15.5px; }
.pillar ul { list-style: none; margin: auto 0 0; padding: 12px 0 0; border-top: 1px solid var(--line-soft); display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 14.5px; }
.pillar svg { width: 40px; height: 40px; color: var(--cc, var(--head)); }

.starts, .sis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.start { display: block; background: var(--panel); border: 1px solid var(--line); border-top: 3px solid var(--cc, var(--line)); border-radius: 6px; padding: 20px 20px 22px; text-decoration: none; color: var(--fg); transition: border-color .15s, transform .15s; }
.start:hover, .start:focus-visible { border-color: var(--brand); transform: translateY(-2px); }
.start h3 { font-family: var(--display); font-variation-settings: "wdth" 108; font-weight: 650; font-size: 19px; margin: 8px 0 6px; }
.start p { margin: 0; color: var(--fg-2); font-size: 15px; }

.book { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 36px; align-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 28px 32px; }
.book__img { display: block; width: 120px; height: auto; border-radius: 3px; box-shadow: 0 10px 24px -14px rgba(0,0,0,.6); }
.book h3 { font-family: var(--display); font-variation-settings: "wdth" 110; font-weight: 700; font-size: 24px; margin: 6px 0 8px; }
.book p { margin: 0 0 14px; color: var(--fg-2); max-width: 62ch; }

/* ---------- tables ---------- */
.tscroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); }
.tbl { width: 100%; min-width: 640px; border-collapse: collapse; font-size: 15px; }
.tbl caption { text-align: left; padding: 12px 16px; font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-3); border-bottom: 1px solid var(--line); }
.tbl th { text-align: left; font-family: var(--mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; font-weight: 500; color: var(--fg-3); padding: 10px 16px; background: var(--bg-2); }
.tbl td { padding: 12px 16px; border-top: 1px solid var(--line-soft); vertical-align: top; }
.tbl td.num, .tbl th.num { font-family: var(--mono); font-size: 14px; font-variant-numeric: tabular-nums; white-space: nowrap; text-align: right; }
.tbl tr[data-c] td:first-child { border-left: 4px solid var(--cc); font-weight: 600; }
.tbl tr[data-us] td:first-child { border-left: 4px solid var(--us); font-weight: 600; }
.tbl tr.ph td { color: var(--fg-3); font-style: italic; }
.tbl .sub { display: block; font-size: 13px; font-weight: 400; color: var(--fg-3); }
.tbl--dense { font-size: 14.5px; }
.tbl--dense td { padding: 9px 14px; }
.tbl th[data-sort] { cursor: pointer; white-space: nowrap; }
.tbl th[data-sort]::after { content: " \2195"; opacity: .4; }
.tbl th[aria-sort="ascending"]::after { content: " \2191"; opacity: 1; }
.tbl th[aria-sort="descending"]::after { content: " \2193"; opacity: 1; }
.us-bar { display: inline-block; width: 90px; height: 10px; margin-right: 8px; vertical-align: 0; background: color-mix(in srgb, var(--fg-3) 15%, transparent); border-radius: 2px; overflow: hidden; }
.us-bar i { display: block; height: 100%; width: var(--p, 0%); background: var(--brand); }
.us-bar--ph i { width: 0; }

/* ---------- interior page ---------- */
.dp-hero { position: relative; background: var(--hero); border-bottom: 1px solid var(--line); overflow: hidden; }
.dp-hero__in { position: relative; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 40px; align-items: center; padding-block: 40px 36px; }
.crumb { font-size: 14px; color: var(--fg-3); }
.crumb a { color: var(--fg-3); }
.dp-hero h1 { font-family: var(--display); font-variation-settings: "wdth" 118; font-weight: 750; font-size: clamp(34px, 4.4vw, 54px); line-height: 1.02; letter-spacing: -.02em; margin: 14px 0 10px; }
.dp-hero__anchor { font-family: var(--mono); font-size: 13px; color: var(--fg-3); margin: 0 0 18px; }
.dp-hero__thesis { font-size: 18px; color: var(--fg-2); margin: 0; max-width: 58ch; }
.dp-hero__thesis strong { color: var(--fg); }
.dp-hero__art svg { display: block; width: 100%; max-width: 500px; height: auto; margin-left: auto; }

.strip { background: var(--bg-2); border-bottom: 1px solid var(--line); }
.strip__grid { display: grid; grid-template-columns: repeat(var(--n, 6), minmax(0, 1fr)); }
.strip__c { padding: 14px 18px; border-left: 1px solid var(--line); min-width: 0; }
.strip__c:first-child { border-left: 0; padding-left: 0; }
.strip__v { font-family: var(--mono); font-size: 15px; font-variant-numeric: tabular-nums; }

.dp-body { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 56px; padding-block: 48px 80px; }
.dp-body > main { min-width: 0; }
.toc { position: sticky; top: 88px; align-self: start; font-size: 14.5px; max-height: calc(100vh - 110px); overflow-y: auto; }
.toc h4 { font-family: var(--mono); font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; font-weight: 500; color: var(--fg-3); margin: 0 0 10px; }
.toc ol, .toc ul { list-style: none; margin: 0 0 28px; padding: 0; display: grid; gap: 4px; }
.toc a { color: var(--fg-2); text-decoration: none; display: block; padding: 2px 0 2px 12px; border-left: 2px solid var(--line-soft); }
.toc a:hover { color: var(--fg); }
.toc a.is-active { color: var(--fg); border-left-color: var(--brand); }
.toc .here { display: block; padding: 2px 0 2px 12px; border-left: 2px solid var(--brand); font-weight: 600; }
.toc ul a { border-left-color: transparent; }

.dp-sec { padding-bottom: 52px; margin-bottom: 52px; border-bottom: 1px solid var(--line-soft); scroll-margin-top: 96px; }
.dp-sec:last-child { border-bottom: 0; }
.dp-sec h2 { font-family: var(--display); font-variation-settings: "wdth" 108; font-weight: 700; font-size: clamp(24px, 2.6vw, 32px); line-height: 1.15; color: var(--head); margin: 0 0 10px; }
.dp-sec h3 { font-family: var(--display); font-variation-settings: "wdth" 108; font-weight: 650; font-size: 20px; margin: 32px 0 6px; }
.dp-sec__lede { font-size: 18.5px; color: var(--fg); margin: 0 0 18px; max-width: 62ch; }
.dp-sec p { max-width: 68ch; }
.dp-sec ul { max-width: 66ch; padding-left: 20px; }
.dp-sec li { margin-bottom: 6px; }
.dp-sec .tscroll { margin: 22px 0; }
.note { border-left: 4px solid var(--cc, var(--head)); background: var(--panel); padding: 14px 18px; border-radius: 0 6px 6px 0; margin: 18px 0; max-width: 68ch; }
.note p { margin: 0; }
.related { list-style: none; padding: 0 !important; display: flex; flex-wrap: wrap; gap: 8px 24px; }
.record dl { display: grid; grid-template-columns: 160px 1fr; gap: 10px 20px; margin: 0; font-size: 15.5px; }
.record dt { color: var(--fg-3); }
.record dd { margin: 0; }

/* ---------- figures (in-page diagrams) ---------- */
.fig { border: 1px solid var(--line); border-radius: 6px; background: var(--panel); padding: 18px 18px 12px; margin: 22px 0; }
.fig svg { display: block; width: 100%; height: auto; }
.fig--scroll { overflow-x: auto; }
.fig--scroll svg { min-width: 640px; }
.fig figcaption, .fig__cap { font-size: 14.5px; color: var(--fg-2); margin: 10px 0 0; }
.fig .legend { margin: 12px 0 0; }

/* ---------- shared diagram vocabulary (hero and in-page SVG) ---------- */
.dg-cap { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; fill: var(--fg-3); }
.dg-t { font-family: var(--body); font-size: 13px; fill: var(--fg); }
.dg-t--b { font-weight: 600; }
.dg-t--sm { font-family: var(--mono); font-size: 10.5px; letter-spacing: .04em; fill: var(--fg-2); }
.dg-t--xs { font-family: var(--mono); font-size: 9.5px; letter-spacing: .04em; fill: var(--fg-3); }
.dg-t--on { fill: #fff; }
.dg-name { font-family: var(--display); font-variation-settings: "wdth" 108; font-size: 15px; font-weight: 700; fill: var(--fg); }
.dg-num { font-family: var(--mono); font-size: 10px; font-weight: 600; fill: var(--fg-3); }
.dg-big { font-family: var(--display); font-variation-settings: "wdth" 115; font-size: 30px; font-weight: 800; fill: var(--fg); }
.dg-grid { stroke: var(--line-soft); stroke-width: 1; }
.dg-axis { stroke: var(--fg-3); stroke-width: 1; }
.dg-line { stroke: var(--fg-3); stroke-width: 1.5; fill: none; }
.dg-flow { stroke: var(--fg-3); stroke-width: 1.5; fill: none; marker-end: url(#dg-arr); }
.dg-arrhead { fill: var(--fg-3); }
.dg-box { fill: var(--panel); stroke: var(--line); stroke-width: 1.2; }
.dg-stage { fill: color-mix(in srgb, var(--cc) 14%, var(--panel)); stroke: var(--cc); stroke-width: 1.5; }
.dg-stage--solid { fill: var(--cc); }
.dg-bar { fill: var(--cc, var(--brand)); }
.dg-bar--soft { fill: color-mix(in srgb, var(--cc, var(--brand)) 35%, var(--panel)); stroke: var(--cc, var(--brand)); stroke-width: 1; }
.dg-us { fill: var(--uf); stroke: var(--us); stroke-width: 1.5; }
[data-us="plan"] > .dg-us, .dg-us[data-us="plan"] { stroke-dasharray: 5 3; }
[data-us="nd"] > .dg-us { stroke-dasharray: 2 3; }
.dg-ring { fill: none; stroke: var(--brand); stroke-width: 2; }
.dg-loop { fill: none; stroke: var(--brand); stroke-width: 2.5; stroke-dasharray: 2 6; stroke-linecap: round; }
a .dg-us, a .dg-stage { transition: stroke-width .15s; }
a:hover .dg-us, a:focus-visible .dg-us, a:hover .dg-stage, a:focus-visible .dg-stage { stroke-width: 3; }
a:hover .dg-t--b { text-decoration: underline; }

/* chain hero: stage tiles */
.ch-tile { cursor: pointer; }
.ch-lbl { font-family: var(--display); font-variation-settings: "wdth" 106; font-size: 14px; font-weight: 700; fill: var(--fg); }
.ch-lbl--on { fill: #fff; }
.ch-who { font-family: var(--mono); font-size: 9.5px; letter-spacing: .02em; fill: var(--fg-2); }
.ch-who--on { fill: rgba(255,255,255,.85); }

/* layer-build loop */
.lp-step { fill: var(--panel); stroke: var(--cc, var(--brand)); stroke-width: 2; }
.lp-n { font-family: var(--mono); font-size: 11px; font-weight: 600; fill: var(--cc, var(--brand)); }
.lp-t { font-family: var(--display); font-variation-settings: "wdth" 106; font-size: 15px; font-weight: 700; fill: var(--fg); }
.lp-s { font-family: var(--body); font-size: 12px; fill: var(--fg-2); }

/* cross-sections (cells, packages, layer stacks) */
.xs-si { fill: color-mix(in srgb, var(--fg-3) 20%, var(--panel)); stroke: var(--fg-3); stroke-width: 1; }
.xs-ox { fill: color-mix(in srgb, var(--c-wafer) 12%, var(--panel)); stroke: var(--c-wafer); stroke-width: 1; }
.xs-metal { fill: color-mix(in srgb, var(--c-mat) 55%, var(--panel)); stroke: var(--c-mat); stroke-width: 1; }
.xs-gate { fill: var(--c-fab); }
.xs-cap { fill: color-mix(in srgb, var(--brand) 22%, var(--panel)); stroke: var(--brand); stroke-width: 1.5; }
.xs-lead { stroke: var(--fg-3); stroke-width: 1; stroke-dasharray: 2 2; fill: none; }

/* range bars (layer counts, mask counts) */
.rg-bar { fill: color-mix(in srgb, var(--cc, var(--brand)) 30%, var(--panel)); stroke: var(--cc, var(--brand)); stroke-width: 1.2; }
.rg-tick { stroke: var(--cc, var(--brand)); stroke-width: 2.5; }

/* ---------- footer ---------- */
.foot { background: var(--bg-2); border-top: 1px solid var(--line); padding-block: 48px 28px; font-size: 14.5px; }
.foot__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.foot h4 { font-family: var(--mono); font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; font-weight: 500; color: var(--fg-3); margin: 0 0 12px; }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.foot a { color: var(--fg-2); text-decoration: none; }
.foot a:hover { color: var(--fg); }
.foot__note { color: var(--fg-3); margin: 12px 0 0; max-width: 34ch; }
.foot__bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--fg-3); font-size: 13.5px; }

.totop { position: fixed; right: 22px; bottom: 22px; z-index: 40; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); background: var(--panel); color: var(--fg-2); cursor: pointer; display: grid; place-items: center; opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity .2s, transform .2s, visibility .2s, color .2s, border-color .2s; }
.totop[data-show] { opacity: 1; visibility: visible; transform: none; }
.totop:hover { color: var(--brand); border-color: var(--brand); }
.totop svg { width: 18px; height: 18px; }

/* ---------- responsive ---------- */
@media (max-width: 1220px) {
  .nv-top { padding: 20px 6px; font-size: 13.5px; }
  .head__in { gap: 16px; }
}
@media (max-width: 1060px) {
  .burger { display: block; }
  .nv { display: none; }
  .nv[data-open] { display: flex; flex-direction: column; align-items: stretch; position: absolute; top: 64px; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px max(16px, env(safe-area-inset-right, 0px)) 14px max(16px, env(safe-area-inset-left, 0px)); gap: 0; }
  .nv-item, .nv-item--mega { position: static; }
  .nv-top { display: block; padding: 10px 0; font-size: 16px; box-shadow: none !important; }
  .nv-top::after, .nv-panel, .nv-item:hover .nv-panel, .nv-item:focus-within .nv-panel { display: none; }
  .hero__in, .dp-hero__in { grid-template-columns: minmax(0, 1fr); }
  .hero__map svg { max-width: 600px; margin: 0 auto; }
  .dp-hero__art svg { max-width: 440px; margin: 0; }
  .dp-body { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .toc { position: static; display: none; }
  .strip__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .strip__c:nth-child(3n+1) { border-left: 0; padding-left: 0; }
  .strip__c:nth-child(n+4) { border-top: 1px solid var(--line); }
  .starts, .sis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .pillars, .starts, .sis { grid-template-columns: minmax(0, 1fr); }
  .pillar--wide { grid-column: auto; }
  .meta__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .meta__c:nth-child(3) { border-left: 0; padding-left: 0; }
  .meta__c:nth-child(n+3) { border-top: 1px solid var(--line); }
  .strip__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .strip__c:nth-child(3n+1) { border-left: 1px solid var(--line); padding-left: 18px; }
  .strip__c:nth-child(odd) { border-left: 0; padding-left: 0; }
  .strip__c:nth-child(n+3) { border-top: 1px solid var(--line); }
  .book { grid-template-columns: 1fr; gap: 20px; padding: 22px; }
  .record dl { grid-template-columns: 1fr; gap: 2px; }
  .record dd { margin-bottom: 10px; }
  .sec { padding-block: 52px; }
  .foot__grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition-duration: .001ms !important; } }
.dp-sec ul.legend { padding-left: 0; max-width: none; }
.dp-sec ul.legend li { margin-bottom: 0; }

/* ---- Supply Chain group sc3: severity bands ---- */
[data-r="hi"] { --rk: #C2410C; }
[data-r="md"] { --rk: #CA8A04; }
[data-r="lo"] { --rk: #15803D; }
.tbl tr[data-r] td:first-child { border-left: 4px solid var(--rk); font-weight: 600; }
.sc3-sw { display: inline-block; width: 12px; height: 12px; border-radius: 2px; background: var(--rk); margin-right: 6px; vertical-align: -1px; }
.sc3-fill { fill: var(--rk); }
.sc3-soft { fill: color-mix(in srgb, var(--rk) 16%, var(--panel)); stroke: var(--rk); stroke-width: 1.5; }
.sc3-txt { fill: var(--rk); }

/* Supply Chain group sc1 */
.sc1-ink { fill: var(--fg); }

/* utility pages (ut-) */
.ut-hero .dp-hero__in { grid-template-columns: minmax(0, 1fr); }
.ut-hero .dp-hero__thesis { max-width: 72ch; }
.ut-jump { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 28px; padding: 0; list-style: none; }
.ut-jump li { margin: 0; }
.ut-jump a { display: inline-block; min-width: 34px; text-align: center; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; font-family: var(--mono); font-size: 14px; text-decoration: none; color: var(--fg); background: var(--panel); }
.ut-jump a:hover { border-color: var(--brand); color: var(--brand); }
.ut-gl { margin: 0; }
.ut-gl dt { font-family: var(--display); font-weight: 700; font-size: 17px; margin-top: 18px; color: var(--fg); }
.ut-gl dt:first-child { margin-top: 0; }
.ut-gl dd { margin: 4px 0 0; color: var(--fg-2); max-width: 74ch; }
.ut-gl dd a.ut-see { font-family: var(--mono); font-size: 12.5px; margin-left: 6px; white-space: nowrap; }
.ut-card { border: 1px solid var(--line); border-radius: 10px; background: var(--panel); padding: 18px 20px; max-width: 74ch; }
.ut-card ul { margin: 0; padding-left: 18px; }
.ut-card li { margin: 6px 0; }

/* full-dataset section (ds_common) */
.ds { border: 1px solid var(--line); border-radius: 8px; background: var(--panel); margin-top: 14px; }
.ds > summary { cursor: pointer; padding: 12px 16px; font-weight: 600; color: var(--link); list-style: none; display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: baseline; }
.ds > summary::-webkit-details-marker { display: none; }
.ds > summary::before { content: "+"; font-family: var(--mono, monospace); width: 1ch; }
.ds[open] > summary::before { content: "-"; }
.ds__t { font-family: var(--mono, monospace); font-size: 12px; font-weight: 400; color: var(--fg-3); }
.ds .tscroll { padding: 0 12px 12px; }

/* motion pilot: flows, loop marker, staged build-up; off for reduced motion */
@media (prefers-reduced-motion: no-preference) {
  .dg-flow.mv { stroke-dasharray: 6 5; animation: mv-dash 1.2s linear infinite; }
  .mv-spin { transform-box: view-box; animation: mv-rot 9s linear infinite; }
  .mv-step { opacity: 0; animation: mv-in 9s ease-in-out infinite; animation-delay: calc(var(--i) * 1.1s); }
}
.mv-dot { fill: var(--brand); stroke: var(--panel); stroke-width: 2; }
@keyframes mv-dash { to { stroke-dashoffset: -22; } }
@keyframes mv-rot { to { transform: rotate(360deg); } }
@keyframes mv-in { 0% { opacity: 0; } 8%, 82% { opacity: 1; } 95%, 100% { opacity: 0; } }