@layer reset, tokens, base, layout, components, utilities, print;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
  body, h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
  ul[role="list"], ol[role="list"] { list-style: none; margin: 0; padding: 0; }
  img, svg { display: block; max-width: 100%; }
  button, input, select, textarea { font: inherit; }
  button { cursor: pointer; }
  table { border-collapse: collapse; border-spacing: 0; }
}

@layer tokens {
  :root {
    color-scheme: light;
    --paper: #f6f3ec;
    --paper-2: #ede8dd;
    --surface: #fffdf9;
    --surface-raised: #ffffff;
    --ink: #15243a;
    --ink-soft: #4b5666;
    --ink-faint: #6f7782;
    --line: #d6d0c4;
    --line-strong: #a9a092;
    --blue: #144f78;
    --blue-soft: #dceaf3;
    --teal: #14665f;
    --teal-soft: #dcefeb;
    --amber: #8a5313;
    --amber-soft: #f6e9cf;
    --red: #8b342d;
    --red-soft: #f5e1df;
    --violet: #654786;
    --violet-soft: #ece4f5;
    --green: #2e6b43;
    --green-soft: #e1eee5;
    --shadow-sm: 0 1px 2px rgba(21, 36, 58, .05), 0 8px 28px rgba(21, 36, 58, .04);
    --shadow-md: 0 2px 6px rgba(21, 36, 58, .07), 0 22px 60px rgba(21, 36, 58, .08);
    --radius-sm: .45rem;
    --radius: .85rem;
    --radius-lg: 1.35rem;
    --measure: 71ch;
    --content: 1180px;
    --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --serif: Iowan Old Style, Palatino Linotype, Book Antiqua, Palatino, Georgia, serif;
    --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  }
}

@layer base {
  html { scroll-behavior: smooth; background: var(--paper); }
  body {
    min-height: 100vh;
    background:
      radial-gradient(circle at 80% -10%, rgba(20,79,120,.09), transparent 28rem),
      linear-gradient(180deg, rgba(255,255,255,.34), transparent 24rem),
      var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: clamp(1rem, .96rem + .12vw, 1.075rem);
    line-height: 1.62;
    text-rendering: optimizeLegibility;
  }
  a { color: var(--blue); text-decoration-thickness: .08em; text-underline-offset: .16em; }
  a:hover { text-decoration-thickness: .13em; }
  a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
    outline: 3px solid #f0a93d;
    outline-offset: 3px;
    border-radius: .2rem;
  }
  h1, h2, h3, h4 { line-height: 1.08; text-wrap: balance; }
  h1, h2 { font-family: var(--serif); font-weight: 700; letter-spacing: -.025em; }
  h3, h4 { font-weight: 760; letter-spacing: -.012em; }
  h1 { font-size: clamp(2.55rem, 7.6vw, 6.6rem); }
  h2 { font-size: clamp(2rem, 4vw, 3.8rem); }
  h3 { font-size: clamp(1.22rem, 2vw, 1.65rem); }
  p { max-width: var(--measure); }
  strong { font-weight: 760; }
  code, pre { font-family: var(--mono); }
  code { font-size: .89em; }
  pre {
    overflow-x: auto;
    padding: 1rem 1.1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #111c2b;
    color: #f5f7fb;
    font-size: .86rem;
    line-height: 1.55;
  }
  ::selection { background: #f2cf86; color: #172130; }
  [hidden] { display: none !important; }
}

@layer layout {
  .shell { width: min(calc(100% - 2rem), var(--content)); margin-inline: auto; }
  .narrow { width: min(calc(100% - 2rem), 820px); margin-inline: auto; }
  .page-main { min-height: 62vh; }
  .section { padding-block: clamp(3.8rem, 8vw, 7.5rem); }
  .section-sm { padding-block: clamp(2.2rem, 5vw, 4rem); }
  .section-rule { border-top: 1px solid var(--line); }
  .stack > * + * { margin-top: var(--stack, 1rem); }
  .cluster { display: flex; flex-wrap: wrap; align-items: center; gap: var(--cluster, .75rem); }
  .grid-2, .grid-3, .grid-4 { display: grid; gap: clamp(1rem, 2.4vw, 1.7rem); }
  .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .grid-2 > *, .grid-3 > *, .grid-4 > *, .split > *, .section-heading > *, .receipt-showcase > *, .destination-card > * { min-width: 0; }
  .split { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(18rem, .72fr); gap: clamp(2rem, 7vw, 6rem); align-items: start; }
  .prose { max-width: 76ch; }
  .prose > * + * { margin-top: 1.15em; }
  .prose h2 { margin-top: 2.2em; }
  .prose h3 { margin-top: 1.7em; }
  .prose ul, .prose ol { padding-left: 1.35rem; }
  .prose li + li { margin-top: .5rem; }
  .prose blockquote { border-left: .22rem solid var(--blue); padding: .45rem 0 .45rem 1.2rem; color: var(--ink-soft); font-family: var(--serif); font-size: 1.18rem; }
  .prose table { width: 100%; display: block; overflow-x: auto; font-size: .92rem; }
  .prose th, .prose td { padding: .7rem .75rem; border: 1px solid var(--line); text-align: left; vertical-align: top; min-width: 10rem; }
  .prose th { background: var(--paper-2); }
}

@layer components {
  .skip-link { position: fixed; z-index: 1000; left: 1rem; top: 1rem; transform: translateY(-180%); background: var(--ink); color: white; padding: .7rem 1rem; border-radius: .4rem; }
  .skip-link:focus { transform: none; }

  .site-header { position: relative; z-index: 20; border-bottom: 1px solid rgba(169,160,146,.7); background: rgba(246,243,236,.9); backdrop-filter: blur(16px); }
  .header-inner { min-height: 5.2rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
  .brand { color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; gap: .78rem; min-width: 0; }
  .brand-mark { width: 2.45rem; height: 2.45rem; flex: none; }
  .brand-copy { display: grid; line-height: 1.05; }
  .brand-name { font-family: var(--serif); font-size: 1.14rem; font-weight: 700; letter-spacing: -.02em; }
  .brand-sub { color: var(--ink-faint); font-size: .69rem; text-transform: uppercase; letter-spacing: .12em; margin-top: .25rem; }
  .site-nav { display: flex; align-items: center; gap: clamp(.55rem, 1.5vw, 1.15rem); font-size: .88rem; font-weight: 670; }
  .site-nav a { color: var(--ink-soft); text-decoration: none; padding-block: .45rem; border-bottom: 2px solid transparent; }
  .site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); border-color: var(--blue); }
  .lang-link { border: 1px solid var(--line-strong) !important; border-radius: 999px; padding: .4rem .72rem !important; }
  .nav-toggle { display: none; min-width: 2.75rem; min-height: 2.75rem; border: 1px solid var(--line-strong); background: var(--surface); border-radius: 999px; color: var(--ink); }

  .release-ribbon { border-bottom: 1px solid var(--line); background: #ebe7df; font-size: .78rem; color: var(--ink-soft); }
  .release-ribbon .shell { min-height: 2.55rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
  .release-ribbon strong { color: var(--ink); }

  .hero { padding-block: clamp(4.6rem, 11vw, 10rem) clamp(3rem, 7vw, 6rem); overflow: hidden; }
  .hero-grid { display: grid; grid-template-columns: minmax(0, 1.32fr) minmax(20rem, .68fr); gap: clamp(2rem, 8vw, 7rem); align-items: end; }
  .eyebrow { display: inline-flex; align-items: center; gap: .55rem; color: var(--blue); font-size: .76rem; font-weight: 800; text-transform: uppercase; letter-spacing: .14em; }
  .eyebrow::before { content: ""; width: 1.65rem; height: 1px; background: currentColor; }
  .hero h1 { max-width: 12ch; margin-top: .8rem; }
  .hero-lede { margin-top: 1.5rem; max-width: 55ch; font-size: clamp(1.16rem, 1.55vw, 1.45rem); color: var(--ink-soft); line-height: 1.52; }
  .hero-actions { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: .8rem; }
  .button { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 3rem; padding: .65rem 1.05rem; border: 1px solid var(--ink); border-radius: 999px; background: var(--ink); color: white; text-decoration: none; font-weight: 760; font-size: .92rem; }
  .button:hover { background: #24354e; }
  .button-secondary { background: transparent; color: var(--ink); border-color: var(--line-strong); }
  .button-secondary:hover { background: var(--surface); }
  .button-small { min-height: 2.5rem; padding: .45rem .85rem; font-size: .82rem; }

  .three-track { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 1rem; transform: rotate(.6deg); }
  .track { display: grid; grid-template-columns: 2.55rem 1fr; gap: .7rem; padding: 1rem; border-radius: .65rem; }
  .track + .track { border-top: 1px dashed var(--line); }
  .track-index { width: 2.25rem; height: 2.25rem; border: 1px solid currentColor; border-radius: 50%; display: grid; place-items: center; font-family: var(--mono); font-size: .8rem; font-weight: 800; }
  .track h3 { font-size: 1rem; }
  .track p { margin-top: .25rem; color: var(--ink-soft); font-size: .86rem; line-height: 1.45; }
  .track-policy { color: var(--blue); }
  .track-store { color: var(--violet); }
  .track-device { color: var(--teal); }
  .track > div:last-child { color: var(--ink); }

  .status-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); box-shadow: var(--shadow-sm); }
  .status-stat { padding: clamp(1rem, 2.4vw, 1.55rem); }
  .status-stat + .status-stat { border-left: 1px solid var(--line); }
  .status-number { display: block; font-family: var(--serif); font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1; font-weight: 700; letter-spacing: -.04em; }
  .status-label { display: block; margin-top: .45rem; color: var(--ink-soft); font-size: .82rem; line-height: 1.35; }
  .status-note { margin-top: 1rem; color: var(--ink-soft); font-size: .9rem; }

  .section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, .7fr); gap: 2rem; align-items: end; margin-bottom: clamp(2rem, 5vw, 3.8rem); }
  .section-heading p { color: var(--ink-soft); font-size: 1.02rem; }
  .section-kicker { display: block; margin-bottom: .65rem; color: var(--blue); font-size: .75rem; text-transform: uppercase; letter-spacing: .13em; font-weight: 800; }

  .card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-sm); }
  .card-pad { padding: clamp(1.15rem, 2.6vw, 1.65rem); }
  .card h3 a { color: var(--ink); text-decoration: none; }
  .card h3 a:hover { color: var(--blue); }
  .card p { color: var(--ink-soft); }
  .card-index { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.8rem; color: var(--ink-faint); font-family: var(--mono); font-size: .75rem; }
  .purpose-card { min-height: 19rem; display: flex; flex-direction: column; justify-content: space-between; }
  .purpose-card .card-icon { width: 3.1rem; height: 3.1rem; margin-bottom: 2.6rem; border-radius: 50%; background: var(--blue-soft); display: grid; place-items: center; color: var(--blue); font-family: var(--serif); font-size: 1.4rem; }

  .truth-banner { display: grid; grid-template-columns: auto 1fr; gap: 1rem; padding: 1.1rem 1.2rem; border: 1px solid #c59145; border-radius: var(--radius); background: var(--amber-soft); color: #4a2e0d; }
  .truth-banner svg { width: 1.45rem; margin-top: .1rem; }
  .truth-banner strong { display: block; }
  .truth-banner p { margin-top: .2rem; font-size: .9rem; }
  .truth-banner-cal { border-color: #9c7cbf; background: var(--violet-soft); color: #3e2855; }

  .receipt-showcase { position: relative; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(18rem, .85fr); border: 1px solid var(--line-strong); background: var(--surface); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
  .receipt-main { padding: clamp(1.5rem, 4vw, 3.2rem); }
  .receipt-aside { padding: clamp(1.5rem, 3vw, 2.2rem); border-left: 1px dashed var(--line-strong); background: #f0ede6; }
  .receipt-stub { display: flex; justify-content: space-between; gap: 1rem; color: var(--ink-faint); font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }
  .receipt-main h3 { margin-top: 3rem; font-family: var(--serif); font-size: clamp(1.8rem, 3.7vw, 3.2rem); max-width: 18ch; }
  .receipt-dek { margin-top: 1rem; color: var(--ink-soft); font-size: 1.02rem; }
  .receipt-meta { margin-top: 2.5rem; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; }
  .receipt-meta dt { color: var(--ink-faint); font-size: .7rem; text-transform: uppercase; letter-spacing: .11em; font-weight: 800; }
  .receipt-meta dd { margin-top: .25rem; font-size: .9rem; font-weight: 650; }
  .mini-event + .mini-event { margin-top: 1.2rem; padding-top: 1.2rem; border-top: 1px solid var(--line); }
  .mini-event span { display: block; color: var(--ink-faint); font-size: .68rem; text-transform: uppercase; letter-spacing: .11em; font-weight: 800; }
  .mini-event p { margin-top: .25rem; color: var(--ink); font-size: .87rem; line-height: 1.5; }

  .badge { display: inline-flex; align-items: center; gap: .35rem; min-height: 1.75rem; padding: .25rem .55rem; border: 1px solid var(--line-strong); border-radius: 999px; background: var(--surface); color: var(--ink-soft); font-size: .68rem; line-height: 1.2; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; }
  .badge-r0 { background: var(--paper-2); }
  .badge-cal { background: var(--violet-soft); border-color: #bda9d2; color: #52366e; }
  .badge-proposed { background: var(--amber-soft); border-color: #d7b67d; color: #70420d; }
  .badge-verified { background: var(--green-soft); border-color: #9fbea8; color: #235837; }
  .badge-uncertain { background: var(--blue-soft); border-color: #9ebfd3; color: #113f60; }

  .evidence-ladder { display: grid; grid-template-columns: minmax(15rem, .7fr) minmax(0, 1.3fr); gap: clamp(1.4rem, 4vw, 3rem); align-items: stretch; }
  .ladder-controls { display: grid; gap: .55rem; align-content: start; }
  .ladder-button { width: 100%; display: grid; grid-template-columns: 2rem 1fr; gap: .75rem; text-align: left; padding: .75rem .8rem; border: 1px solid transparent; border-radius: .6rem; background: transparent; color: var(--ink-soft); }
  .ladder-button:hover, .ladder-button[aria-pressed="true"] { border-color: var(--line); background: var(--surface); color: var(--ink); box-shadow: var(--shadow-sm); }
  .ladder-button span:first-child { font-family: var(--mono); color: var(--blue); }
  .evidence-output { height: 100%; min-height: 24rem; padding: clamp(1.5rem, 4vw, 3.2rem); background: var(--ink); color: white; border-radius: var(--radius-lg); display: flex; flex-direction: column; justify-content: space-between; }
  .evidence-output .e-label { color: #aac9dc; font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 800; }
  .evidence-output blockquote { margin-top: 2rem; max-width: 22ch; font-family: var(--serif); font-size: clamp(1.5rem, 3vw, 2.45rem); line-height: 1.2; }
  .evidence-output p { margin-top: 2rem; color: #cbd4df; font-size: .87rem; }

  .registry-toolbar { display: grid; grid-template-columns: minmax(16rem, 1fr) minmax(10rem, .45fr) minmax(10rem, .45fr) auto; gap: .75rem; margin-bottom: 1rem; }
  .field { display: grid; gap: .35rem; }
  .field label { color: var(--ink-soft); font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .09em; }
  .field input, .field select { min-height: 3.15rem; width: 100%; border: 1px solid var(--line-strong); border-radius: .55rem; background: var(--surface); color: var(--ink); padding: .65rem .75rem; }
  .filter-reset { align-self: end; min-height: 3.15rem; border: 1px solid var(--line-strong); border-radius: .55rem; background: transparent; color: var(--ink); padding: .65rem .85rem; }
  .registry-count { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin: 1rem 0 1.5rem; color: var(--ink-soft); font-size: .88rem; }
  .registry-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1rem; }
  .app-card { position: relative; min-height: 19rem; display: flex; flex-direction: column; }
  .app-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
  .app-card h2, .app-card h3 { margin-top: 1rem; font-family: var(--serif); font-size: 1.55rem; }
  .app-card-summary { margin-top: .75rem; font-size: .9rem; }
  .app-card-footer { margin-top: auto; padding-top: 1.4rem; display: flex; justify-content: space-between; align-items: end; gap: .7rem; border-top: 1px solid var(--line); }
  .app-card-footer span { color: var(--ink-faint); font-size: .75rem; }
  .app-card-footer a { font-weight: 760; font-size: .85rem; }
  .registry-empty { padding: 3rem 1.5rem; border: 1px dashed var(--line-strong); border-radius: var(--radius); text-align: center; color: var(--ink-soft); }

  .page-hero { padding-block: clamp(3rem, 8vw, 7rem) clamp(2.4rem, 5vw, 4rem); }
  .page-hero h1 { max-width: 14ch; font-size: clamp(2.65rem, 7vw, 5.8rem); }
  .page-hero .lede { margin-top: 1.2rem; max-width: 59ch; color: var(--ink-soft); font-size: clamp(1.05rem, 1.6vw, 1.32rem); }
  .breadcrumbs { padding-top: 1.3rem; color: var(--ink-faint); font-size: .78rem; }
  .breadcrumbs ol { display: flex; flex-wrap: wrap; gap: .45rem; align-items: center; }
  .breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: .45rem; color: var(--line-strong); }
  .breadcrumbs a { color: var(--ink-soft); }

  .fact-sheet { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
  .fact { padding: 1rem 1.15rem; min-height: 6.5rem; }
  .fact:nth-child(even) { border-left: 1px solid var(--line); }
  .fact:nth-child(n+3) { border-top: 1px solid var(--line); }
  .fact dt { color: var(--ink-faint); font-size: .69rem; text-transform: uppercase; letter-spacing: .11em; font-weight: 800; }
  .fact dd { margin-top: .35rem; font-weight: 650; line-height: 1.35; overflow-wrap: anywhere; }

  .journey-tabs { display: flex; overflow-x: auto; gap: .45rem; padding-bottom: .6rem; scrollbar-width: thin; }
  .journey-tab { flex: 0 0 auto; min-height: 2.8rem; border: 1px solid var(--line-strong); border-radius: 999px; padding: .55rem .9rem; background: transparent; color: var(--ink-soft); font-weight: 760; font-size: .83rem; }
  .journey-tab[aria-selected="true"] { background: var(--ink); color: white; border-color: var(--ink); }
  .js .journey-panel[hidden] { display: none; }
  .journey-panel { margin-top: 1rem; }
  .journey-panel > header { display: flex; justify-content: space-between; gap: 1rem; align-items: start; padding: 1rem 0 1.25rem; }
  .journey-panel > header p { color: var(--ink-soft); }
  .event-table { width: 100%; border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); overflow: hidden; }
  .event-row { display: grid; grid-template-columns: minmax(8rem,.45fr) repeat(3,minmax(0,1fr)); }
  .event-row + .event-row { border-top: 1px solid var(--line); }
  .event-cell { padding: 1rem; min-width: 0; }
  .event-cell + .event-cell { border-left: 1px solid var(--line); }
  .event-head { background: var(--paper-2); color: var(--ink-soft); font-size: .68rem; text-transform: uppercase; letter-spacing: .09em; font-weight: 800; }
  .event-moment { font-weight: 760; }
  .event-cell p { font-size: .85rem; line-height: 1.5; }
  .event-limit { margin-top: .65rem; color: var(--ink-faint); font-size: .76rem !important; }
  .evidence-chip { display: inline-flex; margin-top: .7rem; border-radius: 999px; padding: .2rem .45rem; background: var(--blue-soft); color: var(--blue); font-family: var(--mono); font-size: .64rem; }

  .destination-grid, .claim-grid, .repair-grid { display: grid; gap: 1rem; }
  .destination-card { display: grid; grid-template-columns: minmax(12rem,.65fr) minmax(0,1.35fr); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
  .destination-id { padding: 1.2rem; background: var(--paper-2); }
  .destination-id code { display: block; overflow-wrap: anywhere; font-size: .82rem; }
  .destination-id .badge { margin-top: .8rem; }
  .destination-body { padding: 1.2rem; }
  .destination-body dl { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; }
  .destination-body dt { color: var(--ink-faint); font-size: .68rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 800; }
  .destination-body dd { margin-top: .2rem; font-size: .86rem; }
  .claim-card { padding: 1.2rem; border: 1px solid var(--line); border-left: .28rem solid var(--blue); border-radius: var(--radius); background: var(--surface); }
  .claim-card h3 { margin-top: .8rem; font-family: var(--serif); font-size: 1.3rem; }
  .claim-max { margin-top: .75rem; padding-top: .75rem; border-top: 1px dashed var(--line); color: var(--ink-soft); font-size: .85rem; }

  .repair-row { display: grid; grid-template-columns: 8.5rem minmax(0,1fr) minmax(0,.9fr); gap: 1.2rem; padding: 1.25rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
  .repair-row h3 { font-family: var(--serif); font-size: 1.25rem; }
  .repair-row p { margin-top: .4rem; color: var(--ink-soft); font-size: .87rem; }

  .dependency-groups { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; }
  .dependency-card { padding: 1.2rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
  .dependency-card header { display: flex; justify-content: space-between; gap: 1rem; align-items: start; }
  .dependency-card h3 { font-family: var(--serif); font-size: 1.25rem; }
  .dependency-count { font-family: var(--mono); color: var(--ink-faint); font-size: .76rem; }
  .dependency-apps { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: .4rem; }
  .dependency-apps a { display: inline-flex; padding: .28rem .55rem; border: 1px solid var(--line); border-radius: 999px; background: var(--paper); color: var(--ink); text-decoration: none; font-size: .75rem; }
  .dependency-apps a:hover { border-color: var(--blue); color: var(--blue); }

  .category-bars { display: grid; gap: .72rem; }
  .category-bar { display: grid; grid-template-columns: minmax(10rem,.65fr) minmax(8rem,1.35fr) 2rem; gap: .7rem; align-items: center; font-size: .82rem; }
  .bar-track { height: .65rem; border-radius: 999px; background: var(--paper-2); overflow: hidden; }
  .bar-fill { height: 100%; width: var(--width); border-radius: inherit; background: var(--blue); }
  .bar-count { font-family: var(--mono); color: var(--ink-faint); text-align: right; }

  .standard-card { padding: 1.2rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
  .standard-card .number { font-family: var(--mono); color: var(--blue); font-size: .76rem; }
  .standard-card h3 { margin-top: 1.2rem; }
  .standard-card p { margin-top: .65rem; font-size: .88rem; }

  .download-list { display: grid; gap: .65rem; min-width: 0; }
  .download-item { display: flex; min-width: 0; align-items: center; justify-content: space-between; gap: 1rem; padding: .9rem 1rem; border: 1px solid var(--line); border-radius: .65rem; background: var(--surface); }
  .download-item > * { min-width: 0; }
  .download-item code, .download-item strong { overflow-wrap: anywhere; word-break: break-word; }
  .download-item span { flex: 0 1 auto; min-width: 0; color: var(--ink-faint); font-family: var(--mono); font-size: .7rem; text-align: right; overflow-wrap: anywhere; word-break: break-word; }

  details { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
  details + details { margin-top: .75rem; }
  summary { padding: 1rem 1.15rem; font-weight: 760; list-style: none; cursor: pointer; }
  summary::-webkit-details-marker { display: none; }
  summary::after { content: "+"; float: right; color: var(--blue); }
  details[open] summary::after { content: "−"; }
  .details-body { border-top: 1px solid var(--line); padding: 1rem 1.15rem; color: var(--ink-soft); }

  .source-list { padding-left: 1.1rem; }
  .source-list li + li { margin-top: .55rem; }
  .source-list a { overflow-wrap: anywhere; }

  .callout { padding: clamp(1.3rem, 3vw, 2rem); border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--surface); }
  .callout h3 { font-family: var(--serif); }
  .callout p { margin-top: .75rem; color: var(--ink-soft); }

  .site-footer { margin-top: clamp(3rem, 7vw, 7rem); border-top: 1px solid var(--line-strong); background: #e9e5dc; }
  .footer-grid { display: grid; grid-template-columns: 1.15fr repeat(3,.6fr); gap: 2rem; padding-block: 3.5rem; }
  .footer-intro p { margin-top: .8rem; color: var(--ink-soft); font-size: .87rem; }
  .footer-col h2 { font-family: var(--sans); font-size: .72rem; text-transform: uppercase; letter-spacing: .11em; }
  .footer-col ul { margin-top: .9rem; padding: 0; list-style: none; }
  .footer-col li + li { margin-top: .45rem; }
  .footer-col a { color: var(--ink-soft); font-size: .84rem; }
  .footer-bottom { border-top: 1px solid var(--line); padding-block: 1.1rem; display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; color: var(--ink-faint); font-size: .74rem; }
  .footer-meta { display: grid; gap: .35rem; }
  .footer-meta a { color: var(--ink-soft); }
  .back-to-top { display: inline-flex; align-items: center; gap: .45rem; min-width: 44px; min-height: 44px; flex: none; color: var(--ink); font-weight: 760; }
  .js .back-to-top {
    position: fixed;
    z-index: 15;
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(var(--back-top-bottom, 1rem), env(safe-area-inset-bottom));
    width: 48px;
    height: 48px;
    justify-content: center;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    background: var(--surface-raised);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    text-decoration: none;
    transition: opacity .16s ease, background-color .16s ease;
  }
  .js .back-to-top span:first-child { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
  .js .back-to-top span:last-child { font-size: 1.25rem; line-height: 1; }
  .js .back-to-top.is-visible { opacity: 1; visibility: visible; pointer-events: auto; }
  .js .back-to-top:hover { background: var(--paper-2); }

  .not-found { min-height: 67vh; display: grid; place-items: center; text-align: center; }
  .not-found h1 { font-size: clamp(5rem, 18vw, 13rem); color: var(--line-strong); }
  .not-found h2 { margin-top: -1rem; }
  .not-found p { margin: 1rem auto 0; color: var(--ink-soft); }

  .noscript { margin: 1rem 0; padding: .8rem 1rem; border: 1px solid var(--line); background: var(--surface); font-size: .85rem; }
}

@layer utilities {
  .muted { color: var(--ink-soft); }
  .faint { color: var(--ink-faint); }
  .mono { font-family: var(--mono); overflow-wrap: anywhere; word-break: break-word; }
  .small { font-size: .84rem; }
  .caps { text-transform: uppercase; letter-spacing: .1em; font-size: .72rem; font-weight: 800; }
  .mt-1 { margin-top: .6rem; }
  .mt-2 { margin-top: 1.2rem; }
  .mt-3 { margin-top: 2rem; }
  .mt-4 { margin-top: 3rem; }
  .max-measure { max-width: var(--measure); }
  .sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
}

@media (max-width: 980px) {
  .hero-grid, .section-heading, .receipt-showcase, .split { grid-template-columns: 1fr; }
  .hero h1 { max-width: 13ch; }
  .three-track { max-width: 36rem; transform: none; }
  .receipt-aside { border-left: 0; border-top: 1px dashed var(--line-strong); }
  .registry-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .grid-4 { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .footer-grid { grid-template-columns: 1.2fr repeat(2,.7fr); }
  .footer-col:last-child { grid-column: 2 / -1; }
}

@media (max-width: 760px) {
  .shell, .narrow { width: min(calc(100% - 1.3rem), var(--content)); }
  .brand-sub { display: none; }
  .header-inner { flex-wrap: wrap; padding-block: .55rem; }
  .site-nav { order: 3; width: 100%; display: flex; overflow-x: auto; padding-bottom: .2rem; scrollbar-width: thin; }
  .site-nav a { flex: 0 0 auto; min-height: 2.6rem; display: flex; align-items: center; padding-inline: .55rem; }
  .js .header-inner { flex-wrap: nowrap; padding-block: 0; }
  .js .nav-toggle { display: inline-grid; place-items: center; }
  .js .site-nav { display: none; position: absolute; left: .65rem; right: .65rem; top: calc(100% + .4rem); width: auto; overflow: visible; padding: .8rem; border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-md); align-items: stretch; }
  .js .site-nav[data-open="true"] { display: grid; }
  .lang-link { justify-content: center; }
  .release-ribbon .shell { padding-block: .55rem; align-items: flex-start; flex-direction: column; gap: .15rem; }
  .status-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .status-stat:nth-child(3), .status-stat:nth-child(4) { border-top: 1px solid var(--line); }
  .status-stat:nth-child(3) { border-left: 0; }
  .grid-3, .grid-2, .registry-grid, .dependency-groups { grid-template-columns: 1fr; }
  .registry-toolbar { grid-template-columns: 1fr; }
  .filter-reset { width: 100%; }
  .evidence-ladder { grid-template-columns: 1fr; }
  .ladder-controls { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .ladder-button { grid-template-columns: 1.5rem 1fr; font-size: .82rem; }
  .event-row { grid-template-columns: 1fr; }
  .event-head { display: none; }
  .event-cell + .event-cell { border-left: 0; border-top: 1px dashed var(--line); }
  .event-cell[data-label]::before { content: attr(data-label); display: block; margin-bottom: .35rem; color: var(--ink-faint); font-size: .66rem; text-transform: uppercase; letter-spacing: .09em; font-weight: 800; }
  .destination-card { grid-template-columns: 1fr; }
  .destination-id { border-bottom: 1px solid var(--line); }
  .repair-row { grid-template-columns: 1fr; }
  .category-bar { grid-template-columns: 1fr 2rem; }
  .bar-track { grid-column: 1 / -1; grid-row: 2; }
  .fact-sheet { grid-template-columns: 1fr; }
  .fact:nth-child(even) { border-left: 0; }
  .fact:nth-child(n+2) { border-top: 1px solid var(--line); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-intro { grid-column: 1 / -1; }
  .footer-col:last-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 480px) {
  .status-grid, .grid-4, .receipt-meta, .destination-body dl { grid-template-columns: 1fr; }
  .status-stat + .status-stat { border-left: 0; border-top: 1px solid var(--line); }
  .ladder-controls { grid-template-columns: 1fr; }
  .hero-actions .button { width: 100%; }
  .footer-grid { gap: 1rem; padding-block: 2rem; }
  .footer-col ul { margin-top: .55rem; }
  .footer-col li + li { margin-top: .25rem; }
  .footer-bottom { padding-block: .8rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@layer print {
  @media print {
    :root { --paper: white; --surface: white; --ink: black; --ink-soft: #333; --line: #aaa; }
    body { background: white; font-size: 10pt; }
    .site-header, .release-ribbon, .site-footer, .hero-actions, .journey-tabs, .registry-toolbar, .button, .skip-link, .back-to-top { display: none !important; }
    .section, .section-sm, .page-hero { padding-block: 1.2rem; }
    .shell, .narrow { width: 100%; }
    .card, .receipt-showcase, .event-table, .destination-card, .fact-sheet { box-shadow: none; break-inside: avoid; }
    a { color: black; text-decoration: none; }
    a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 8pt; overflow-wrap: anywhere; }
    .journey-panel[hidden] { display: block !important; }
  }
}