/* ==========================================================================
   SciBit — THE INSTRUMENT design system
   WHY: Site styled as a precision scientific instrument / lab notebook —
        warm paper, navy ink, crimson stamps. Radical departure from
        corporate-IT styling was an explicit owner requirement.
   REF: ADR-001
   Mobile-first: base rules target 320px; scale up at 768 / 1024 / 1440.
   ========================================================================== */

/* Cross-document View Transitions
   WHY: SPA-like crossfade between pages with zero JavaScript.
   Baseline 2026 (Chrome/Edge/Safari). Ignored silently elsewhere. */
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: fade-out 0.2s ease; }
::view-transition-new(root) { animation: fade-in 0.2s ease; }

/* --------------------------------------------------------------------------
   1. Fonts (self-hosted latin subsets — REF: ADR-001 §3.2)
      Audit 2026-06-17: 6 WOFF2 files, 132 KB total.
      instrument-sans-var.woff2      30 KB
      instrument-sans-italic-var.woff2 18 KB
      instrument-serif.woff2         21 KB
      instrument-serif-italic.woff2  22 KB
      plex-mono-400.woff2            15 KB
      plex-mono-500.woff2            15 KB
      All Latin-subset, reasonably sized. No urgent action.
   -------------------------------------------------------------------------- */
@font-face {
  font-family: "Instrument Serif";
  src: url("../Fonts/instrument-serif.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Serif";
  src: url("../Fonts/instrument-serif-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Sans";
  src: url("../Fonts/instrument-sans-var.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Sans";
  src: url("../Fonts/instrument-sans-italic-var.woff2") format("woff2");
  font-weight: 400 700;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("../Fonts/plex-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("../Fonts/plex-mono-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* --------------------------------------------------------------------------
   2. Design tokens (REF: ADR-001 §3.1)
   -------------------------------------------------------------------------- */
:root {
  --paper: #eef3f9;
  --paper-shade: #dce8f4;
  --ink: #22364e;
  --ink-soft: #5a6b80;
  --stamp: #8b1a1a;
  --line: rgba(34, 54, 78, 0.22);
  --line-faint: rgba(34, 54, 78, 0.10);
  --graphite: #1e2f42;

  --font-display: "Instrument Serif", georgia, serif;
  --font-body: "Instrument Sans", "Helvetica Neue", arial, sans-serif;
  --font-mono: "IBM Plex Mono", consolas, monospace;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;
  --space-7: 6.5rem;

  --container: 76rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* --------------------------------------------------------------------------
   3. Reset & base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* WHY: feTurbulence grain overlay gives the paper a physical texture without
   any image asset; pointer-events none keeps it purely decorative. REF: ADR-001 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
}

img,
svg,
canvas {
  display: block;
  max-width: 100%;
}

a {
  color: var(--ink);
  text-decoration-color: var(--line);
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-color: var(--stamp);
}

:focus-visible {
  outline: 2px solid var(--stamp);
  outline-offset: 3px;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.05;
  margin: 0;
  color: var(--graphite);
}

p {
  margin: 0 0 var(--space-3);
}

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: absolute;
  left: -200vw;
  top: 0;
  background: var(--stamp);
  color: var(--paper);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  z-index: 10000;
}

.skip-link:focus {
  left: 0;
}

/* --------------------------------------------------------------------------
   4. Shared instrument vocabulary
   -------------------------------------------------------------------------- */
.mono-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.mono-label--stamp {
  color: var(--stamp);
}

/* Ruler strip — minor ticks every 8px, major every 48px */
.ruler {
  height: 14px;
  background-image:
    repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(90deg, var(--line-faint) 0 1px, transparent 1px 8px);
  background-repeat: repeat-x;
  background-position: bottom;
  background-size: auto 14px, auto 7px;
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  border-bottom: 1px solid var(--ink);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-4);
}

.section-head h2 {
  font-size: clamp(1.75rem, 4.5vw, 2.75rem);
}

.section-head .mono-label {
  white-space: nowrap;
}

.section-head .section-rule {
  flex: 1;
  border-bottom: 1px dotted var(--line);
  align-self: center;
  min-width: var(--space-4);
}

/* Stamp button — rubber-stamp CTA (REF: ADR-001 §3.3) */
.stamp-btn {
  display: inline-block;
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--stamp);
  border: 2px solid var(--stamp);
  padding: 0.85em 1.6em;
  background: transparent;
  transform: rotate(-1.2deg);
  transition: transform 0.25s var(--ease-out), background 0.25s, color 0.25s;
  cursor: pointer;
}

.stamp-btn::after {
  content: "";
  position: absolute;
  inset: 3px;
  border: 1px solid currentcolor;
  pointer-events: none;
}

.stamp-btn:hover,
.stamp-btn:focus-visible {
  transform: rotate(0deg) scale(1.02);
  background: var(--stamp);
  color: var(--paper);
}

.btn-quiet {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
}

.btn-quiet:hover {
  color: var(--stamp);
  border-color: var(--stamp);
}

/* Scroll reveal (JS adds .is-inview; static without JS) */
.reveal {
  opacity: 1;
  transform: none;
}

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
}

.js .reveal.is-inview {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .stamp-btn {
    transition: none;
  }
}

/* --------------------------------------------------------------------------
   5. Header — spec-sheet masthead
   -------------------------------------------------------------------------- */
.spec-bar {
  border-bottom: 1px solid var(--line);
  padding-block: var(--space-1);
}

.spec-bar .container {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
}

.spec-bar span {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.masthead {
  border-bottom: 1px solid var(--ink);
}

.masthead .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-3);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  flex: none;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--graphite);
  letter-spacing: 0.01em;
}

.fig-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  text-align: right;
  white-space: nowrap;
}

.fig-tag strong {
  color: var(--stamp);
  font-weight: 500;
}

/* Ruler nav — horizontally scrollable measurement strip.
   WHY: scrollable strip keeps all 10 links reachable on a 320px screen with
   zero JavaScript — no hamburger, no checkbox hack. REF: ADR-001 */
.site-nav {
  border-bottom: 1px solid var(--ink);
  overflow-x: auto;
  scrollbar-width: none;
}

.site-nav::-webkit-scrollbar {
  display: none;
}

.site-nav ul {
  display: flex;
  align-items: stretch;
  list-style: none;
  margin: 0;
  padding: 0 var(--gutter);
  width: max-content;
  min-width: 100%;
}

.site-nav li {
  display: flex;
}

.site-nav a {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.71875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  padding: 0.8em 1.1em 1.1em;
  position: relative;
  white-space: nowrap;
}

/* tick mark between items, like a ruler graduation */
.site-nav li + li a::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 1px;
  height: 9px;
  background: var(--line);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--stamp);
}

.site-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 1.1em;
  right: 1.1em;
  bottom: 6px;
  height: 2px;
  background: var(--stamp);
}

.site-nav .nav-quote a {
  color: var(--stamp);
}

.site-nav .nav-quote a::before {
  background: var(--stamp);
}

/* Hamburger toggle (shown only on mobile via @media below) */
.nav-toggle {
  display: none;
}

/* WHY: scoped to html.js so that without JS the original horizontal-scroll
   strip remains — full nav is still reachable. REF: ADR-007 */
@media (max-width: 767px) {
  .fig-tag { display: none; }

  html.js .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--line);
    cursor: pointer;
    color: var(--ink);
    padding: 0.55em 0.7em;
  }

  /* WHY: hamburger icon replaces the old "NAV" text label; fill follows the button
     color so it turns stamp-red when the menu is open. REF: ADR-007 */
  html.js .nav-toggle-icon {
    display: block;
    fill: currentColor;
  }

  html.js .nav-toggle[aria-expanded="true"] {
    color: var(--stamp);
    border-color: var(--stamp);
  }

  html.js .site-nav {
    display: none;
    border-bottom: none;
  }

  html.js .site-nav.nav-open {
    display: block;
    border-bottom: 1px solid var(--ink);
    /* WHY: reset overflow-x:auto from base rule; Firefox promotes overflow-y to
       auto when overflow-x is non-visible, which clips the vertical content */
    overflow: visible;
  }

  html.js .site-nav.nav-open ul {
    flex-direction: column;
    width: 100%;
    min-width: 0;
    padding: 0;
  }

  html.js .site-nav.nav-open li {
    width: 100%;
  }

  html.js .site-nav.nav-open li + li a::before {
    content: none;
  }

  html.js .site-nav.nav-open a {
    border-top: 1px solid var(--line);
    padding: 0.85em var(--gutter);
  }

  html.js .site-nav.nav-open a[aria-current="page"]::after {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */
.hero {
  padding-block: var(--space-5) var(--space-5);
  position: relative;
}

.hero .container {
  display: grid;
  gap: var(--space-5);
}

.hero-kicker {
  display: block;
  margin-bottom: var(--space-3);
}

.hero h1 {
  font-size: clamp(2.75rem, 9vw, 5.75rem);
  letter-spacing: -0.01em;
  max-width: 12em;
}

.hero h1 em {
  font-style: italic;
  color: var(--stamp);
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.1875rem);
  color: var(--ink-soft);
  max-width: 34em;
  margin-top: var(--space-3);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

/* The figure — calibrated frame holding the delta (SVG fallback + canvas) */
.delta-figure {
  position: relative;
  margin: 0;
}

.delta-stage {
  position: relative;
  aspect-ratio: 1 / 1.04;
  border: 1px solid var(--line);
  overflow: hidden;
}

/* corner crosshair marks */
.delta-stage::before,
.delta-stage::after,
.delta-figure .corner-marks::before,
.delta-figure .corner-marks::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--ink);
  border-style: solid;
  border-width: 0;
  z-index: 2;
  pointer-events: none;
}

.delta-stage::before {
  top: -1px;
  left: -1px;
  border-top-width: 2px;
  border-left-width: 2px;
}

.delta-stage::after {
  top: -1px;
  right: -1px;
  border-top-width: 2px;
  border-right-width: 2px;
}

.corner-marks::before {
  bottom: -1px;
  left: -1px;
  border-bottom-width: 2px;
  border-left-width: 2px;
}

.corner-marks::after {
  bottom: -1px;
  right: -1px;
  border-bottom-width: 2px;
  border-right-width: 2px;
}

.corner-marks {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.delta-stage canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.delta-fallback {
  position: absolute;
  inset: 12%;
  margin: auto;
  transition: opacity 0.6s var(--ease-out);
}

.delta-stage.is-3d .delta-fallback {
  opacity: 0;
}

.delta-caption {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-2);
  border-bottom: 1px solid var(--line);
  padding-bottom: var(--space-2);
}

.delta-caption .mono-label {
  font-size: 0.625rem;
}

/* --------------------------------------------------------------------------
   7. Stats — TBL.A measured output
   -------------------------------------------------------------------------- */
.stats {
  padding-block: var(--space-6);
}

.stats-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.stats-list li {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--line-faint);
}

.stats-list .stat-label {
  font-family: var(--font-mono);
  font-size: 0.71875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.stats-list .stat-leader {
  flex: 1;
  border-bottom: 1px dotted var(--line);
  min-width: var(--space-3);
}

.stats-list .stat-value {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 5vw, 3rem);
  color: var(--stamp);
  line-height: 1;
  white-space: nowrap;
}

.stats-list .stat-unit {
  font-family: var(--font-mono);
  font-size: 0.71875rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   8. Services — spec-sheet index rows
   -------------------------------------------------------------------------- */
.services {
  padding-block: var(--space-6);
}

.service-rows {
  list-style: none;
  margin: 0;
  padding: 0;
}

.service-rows a {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "idx name arrow"
    "idx desc arrow";
  column-gap: var(--space-3);
  align-items: baseline;
  text-decoration: none;
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--line);
  transition: background 0.25s, padding-left 0.25s var(--ease-out);
}

.service-rows li:first-child a {
  border-top: 1px solid var(--line);
}

.service-rows .svc-idx {
  grid-area: idx;
  font-family: var(--font-mono);
  font-size: 0.71875rem;
  font-weight: 500;
  color: var(--stamp);
  letter-spacing: 0.1em;
  align-self: start;
  padding-top: 0.5em;
}

.service-rows .svc-name {
  grid-area: name;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  color: var(--graphite);
  line-height: 1.1;
}

.service-rows .svc-desc {
  grid-area: desc;
  color: var(--ink-soft);
  font-size: 0.9375rem;
  max-width: 44em;
  margin-top: var(--space-1);
}

.service-rows .svc-arrow {
  grid-area: arrow;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--stamp);
  align-self: center;
  transition: transform 0.25s var(--ease-out);
}

.service-rows a:hover {
  background: var(--paper-shade);
  padding-left: var(--space-2);
}

.service-rows a:hover .svc-arrow {
  transform: translateX(6px);
}

/* --------------------------------------------------------------------------
   9. Procedure — 3-step method
   -------------------------------------------------------------------------- */
.procedure {
  padding-block: var(--space-6);
  background: var(--paper-shade);
  border-block: 1px solid var(--line);
}

.procedure-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
  counter-reset: step;
}

.procedure-steps li {
  counter-increment: step;
  border-left: 2px solid var(--stamp);
  padding-left: var(--space-3);
}

.procedure-steps li::before {
  content: "STEP 0" counter(step);
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--stamp);
  margin-bottom: var(--space-1);
}

.procedure-steps h3 {
  font-size: 1.375rem;
  margin-bottom: var(--space-1);
}

.procedure-steps p {
  color: var(--ink-soft);
  font-size: 0.9375rem;
  margin: 0;
}

/* --------------------------------------------------------------------------
   10. Values — calibration points
   -------------------------------------------------------------------------- */
.values {
  padding-block: var(--space-6);
}

.values-grid {
  display: grid;
  gap: var(--space-4);
}

.value-card {
  border-top: 1px solid var(--ink);
  padding-top: var(--space-2);
}

.value-card .mono-label {
  display: block;
  margin-bottom: var(--space-1);
}

.value-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-1);
}

.value-card p {
  color: var(--ink-soft);
  font-size: 0.875rem;
  margin: 0;
}

/* --------------------------------------------------------------------------
   11. Patrons — typographic ledger
   -------------------------------------------------------------------------- */
.patrons {
  padding-block: var(--space-6);
}

.patron-wall {
  font-family: var(--font-mono);
  font-size: clamp(0.8125rem, 1.6vw, 1rem);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 2.4;
  color: var(--ink-soft);
  word-spacing: 0.1em;
}

.patron-wall .patron-sep {
  color: var(--stamp);
  padding-inline: 0.35em;
}

.patrons-footer {
  margin-top: var(--space-4);
}

/* --------------------------------------------------------------------------
   12. CTA band — requisition slip
   -------------------------------------------------------------------------- */
.cta-band {
  padding-block: var(--space-6);
}

.cta-slip {
  border: 1px dashed var(--ink);
  padding: var(--space-5) var(--gutter);
  text-align: center;
  position: relative;
}

.cta-slip .mono-label {
  display: block;
  margin-bottom: var(--space-3);
}

.cta-slip h2 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  max-width: 16em;
  margin-inline: auto;
}

.cta-slip h2 em {
  color: var(--stamp);
}

.cta-slip .stamp-btn {
  margin-top: var(--space-4);
}

.cta-contacts {
  margin-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2) var(--space-4);
}

.cta-contacts a {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px dotted var(--line);
}

.cta-contacts a:hover {
  color: var(--stamp);
}

/* --------------------------------------------------------------------------
   13. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--ink);
  padding-block: var(--space-5) var(--space-4);
  background: var(--paper-shade);
}

.footer-grid {
  display: grid;
  gap: var(--space-4);
}

.footer-col .mono-label {
  display: block;
  margin-bottom: var(--space-2);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  padding-block: 0.2em;
}

.footer-col a {
  font-size: 0.875rem;
  text-decoration: none;
  color: var(--ink);
}

.footer-col a:hover {
  color: var(--stamp);
}

.footer-col p {
  font-size: 0.875rem;
  color: var(--ink-soft);
  margin: 0 0 var(--space-1);
}

.footer-bottom {
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2) var(--space-3);
}

.footer-bottom span,
.footer-bottom a {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.footer-social {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--line-faint);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
}
.footer-social a {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
}
.footer-social a:hover { color: var(--ink); }

/* --------------------------------------------------------------------------
   14. Breakpoints — scale up
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
  .hero .container {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: var(--space-6);
  }

  .values-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }

  .procedure-steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .service-rows a {
    grid-template-columns: 4rem 1fr minmax(16rem, 28rem) auto;
    grid-template-areas: "idx name desc arrow";
    column-gap: var(--space-4);
  }

  .service-rows .svc-desc {
    margin-top: 0;
  }
}

@media (min-width: 1024px) {
  .values-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .site-nav ul {
    justify-content: center;
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

@media (min-width: 1440px) {
  :root {
    --container: 84rem;
  }
}

/* --------------------------------------------------------------------------
   15. WORLD LAYER — THE CONSTELLATION, the explorable home world (REF: ADR-006)
   The flat sheet above stays canonical; everything below only exists when
   JS mounts the world (html.world-available / html.world-active).
   -------------------------------------------------------------------------- */
:root {
  --void: #0a1422;
  --void-deep: #060d18;
  --void-cyan: #6fd6e8;
  --void-paper: rgba(246, 241, 231, 0.92);
  --void-line: rgba(246, 241, 231, 0.22);
}

html.world-active {
  overflow: hidden;
}

/* WHY: hide the sheet, not remove it — toggling back must be instant and
   the content must stay in the DOM for assistive tech. REF: ADR-006 */
html.world-active body > :not(.world-layer) {
  display: none;
}

html.world-active body {
  background: var(--void-deep);
}

html.world-active body::after {
  opacity: 0.09; /* film grain reads stronger over the dark void */
}

.world-root {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: radial-gradient(ellipse at 50% 42%, #12233b 0%, var(--void) 55%, var(--void-deep) 100%);
  cursor: grab;
  touch-action: none;
}

.world-root.is-dragging {
  cursor: grabbing;
}

.world-root canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

html:not(.world-active) .world-root,
html:not(.world-active) .world-hud,
html:not(.world-active) .world-intro,
html:not(.world-active) .world-dock {
  display: none;
}

/* HUD chrome */
.world-hud {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: max(var(--space-3), env(safe-area-inset-top)) var(--space-3) max(var(--space-3), env(safe-area-inset-bottom));
}

.world-hud-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}

.world-hud .mono-label {
  color: var(--void-paper);
  text-shadow: 0 1px 8px rgba(6, 13, 24, 0.8);
}

.world-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  pointer-events: auto;
  text-decoration: none;
}

.world-brand svg,
.world-brand img {
  width: 26px;
  height: auto;
}

.world-survey {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.world-survey-ticks {
  display: flex;
  gap: 5px;
}

.world-survey-ticks i {
  width: 9px;
  height: 9px;
  border: 1px solid var(--void-line);
  display: block;
}

.world-survey-ticks i.is-surveyed {
  background: var(--stamp);
  border-color: var(--stamp);
}

.world-hint {
  text-align: center;
  flex: 1;
}

.world-machine-keys {
  display: flex;
  gap: var(--space-2);
  pointer-events: auto;
}

.world-machine-keys button {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--void-paper);
  background: rgba(10, 20, 34, 0.55);
  border: 1px solid var(--void-line);
  padding: 0.45em 0.7em;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.world-machine-keys button:hover,
.world-machine-keys button:focus-visible {
  border-color: var(--void-cyan);
  color: var(--void-cyan);
}

.world-machine-keys button.is-surveyed {
  border-color: var(--stamp);
  color: var(--stamp);
}

.world-sheet-toggle,
.world-return {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: rgba(10, 20, 34, 0.55);
  border: 1px solid var(--void-line);
  color: var(--void-paper);
  padding: 0.6em 1em;
  cursor: pointer;
  pointer-events: auto;
  transition: border-color 0.2s, color 0.2s;
}

.world-sheet-toggle:hover,
.world-sheet-toggle:focus-visible {
  border-color: var(--void-cyan);
  color: var(--void-cyan);
}

/* Return-to-void button shown on the flat sheet once the world exists */
.world-return {
  display: none;
}

html.world-available:not(.world-active) .world-return {
  display: block;
  position: fixed;
  right: var(--space-3);
  bottom: var(--space-3);
  z-index: 70;
  background: var(--ink);
  border-color: var(--ink);
}

.world-return:hover,
.world-return:focus-visible {
  color: var(--void-cyan);
}

/* Survey-complete stamp */
.world-complete {
  position: fixed;
  left: 50%;
  bottom: 18vh;
  transform: translateX(-50%) rotate(-2deg);
  z-index: 65;
  display: none;
}

.world-complete.is-shown {
  display: block;
  animation: stamp-in 0.45s var(--ease-out);
}

@keyframes stamp-in {
  0% {
    transform: translateX(-50%) rotate(-2deg) scale(2.4);
    opacity: 0;
  }
  100% {
    transform: translateX(-50%) rotate(-2deg) scale(1);
    opacity: 1;
  }
}

.world-complete a {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: #ff6b5e;
  border: 2px solid #ff6b5e;
  padding: 0.9em 1.6em;
  background: rgba(10, 20, 34, 0.7);
  box-shadow: 0 0 32px rgba(196, 60, 60, 0.35);
}

.world-complete a:hover {
  background: var(--stamp);
  border-color: var(--stamp);
  color: var(--void-paper);
}

/* Auto-tour toggle */
.world-autopilot.is-on {
  border-color: var(--void-cyan);
  color: var(--void-cyan);
  box-shadow: 0 0 14px rgba(111, 214, 232, 0.25);
}

/* Intro title card */
.world-intro {
  position: fixed;
  inset: 0;
  z-index: 64;
  display: grid;
  place-content: center;
  text-align: center;
  pointer-events: none;
  transition: opacity 1.1s var(--ease-out);
}

.world-intro.is-faded {
  opacity: 0;
}

.world-intro h2 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 6.5rem);
  color: var(--void-paper);
  text-shadow: 0 2px 24px rgba(6, 13, 24, 0.9);
}

.world-intro h2 em {
  color: #ff6b5e;
}

.world-intro .mono-label {
  color: var(--void-paper);
  display: block;
  margin-top: var(--space-3);
}

/* Dock panel — instrument card on dark */
.world-dock {
  position: fixed;
  z-index: 66;
  right: var(--space-3);
  left: var(--space-3);
  bottom: var(--space-3);
  background: rgba(10, 20, 34, 0.88);
  border: 1px solid var(--void-line);
  backdrop-filter: blur(6px);
  padding: var(--space-4);
  transform: translateY(calc(100% + var(--space-4)));
  transition: transform 0.5s var(--ease-out);
}

.world-dock.is-docked {
  transform: translateY(0);
}

.world-dock .mono-label {
  color: var(--void-cyan);
}

.world-dock h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  color: var(--void-paper);
  margin: var(--space-1) 0 var(--space-2);
}

.world-dock p {
  color: rgba(246, 241, 231, 0.7);
  font-size: 0.9375rem;
  margin-bottom: var(--space-3);
}

.world-dock-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.world-dock-actions .stamp-btn {
  color: #ff6b5e;
  border-color: #ff6b5e;
}

.world-dock-actions .stamp-btn:hover,
.world-dock-actions .stamp-btn:focus-visible {
  background: var(--stamp);
  border-color: var(--stamp);
  color: var(--void-paper);
}

.world-dock-actions .btn-quiet {
  color: var(--void-paper);
  border-color: var(--void-line);
}

.world-dock-actions .btn-quiet:hover {
  color: var(--void-cyan);
  border-color: var(--void-cyan);
}

.world-dock-close {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--void-paper);
  background: none;
  border: 1px solid var(--void-line);
  width: 2em;
  height: 2em;
  cursor: pointer;
}

.world-dock-close:hover,
.world-dock-close:focus-visible {
  border-color: var(--void-cyan);
  color: var(--void-cyan);
}

@media (min-width: 768px) {
  .world-dock {
    left: auto;
    bottom: auto;
    top: 50%;
    width: 24rem;
    transform: translate(calc(100% + var(--space-4) + var(--space-3)), -50%);
  }

  .world-dock.is-docked {
    transform: translate(0, -50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .world-dock,
  .world-intro {
    transition: none;
  }
  .world-complete.is-shown {
    animation: none;
  }
}

/* --------------------------------------------------------------------------
   16. SUB-PAGE HERO + SPEC STAGE
   WHY: all 12 sub-pages share this hero layout and 3D specimen container.
        Mirrors §6 (home hero) so the vocabulary stays consistent.
        instrument-3d.js mounts themed scenes; falls back to inline SVG.
   REF: ADR-005
   -------------------------------------------------------------------------- */

.page-hero {
  padding: var(--space-5) 0 var(--space-4);
}

.page-hero .container {
  display: grid;
  gap: var(--space-4);
  align-items: center;
}

.page-kicker {
  display: block;
  margin-bottom: var(--space-2);
}

.page-hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2.125rem, 5vw, 3.5rem);
  line-height: 1.1;
  margin: 0 0 var(--space-3);
}

.page-hero-sub {
  font-size: 1.0625rem;
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0 0 var(--space-4);
  line-height: 1.65;
}

.page-hero-ctas {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  align-items: center;
}

/* Spec figure — mirrors .delta-figure */
.spec-figure {
  position: relative;
}

.spec-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  min-height: 220px;
  max-width: 300px;
  margin: 0 auto;
  background: transparent;
  overflow: hidden;
  /* WHY: CSS custom properties let each page theme its 3D specimen without
     touching instrument-3d.js. Override on a per-page basis via inline <style>
     or a page-specific CSS rule. REF: E4.F3.S1 */
  --scene-ink:    #22364e;
  --scene-stamp:  #8b1a1a;
  --scene-gray:   #8a9aaa;
  --scene-cyan:   #6fd6e8;
  --scene-amber:  #ffb45e;
  --scene-orange: #ff7a22;
  --scene-fog:    #0e1c2c;
  --scene-ambient: #f0e8d8;
}

/* Canvas inserted by instrument-3d.js fills the stage */
.spec-stage canvas {
  position: absolute !important;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  opacity: 0;
  transition: opacity 0.5s var(--ease-out);
}

.spec-stage.is-3d canvas {
  opacity: 1;
}

.spec-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transition: opacity 0.5s var(--ease-out);
}

.spec-stage.is-3d .spec-fallback {
  opacity: 0;
  pointer-events: none;
}

.spec-caption {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--line-faint);
}

@media (min-width: 768px) {
  .page-hero .container {
    grid-template-columns: 1fr auto;
    gap: var(--space-5);
  }

  .spec-stage {
    width: 280px;
    max-width: none;
    margin: 0;
  }
}

@media (min-width: 1024px) {
  .spec-stage {
    width: 320px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .spec-stage canvas,
  .spec-fallback {
    transition: none;
  }
}

/* --------------------------------------------------------------------------
   17. SERVICE DETAIL
   -------------------------------------------------------------------------- */

.svc-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.1875rem, 2.5vw, 1.5rem);
  color: var(--stamp);
  margin: 0 0 var(--space-4);
  line-height: 1.3;
}

.cap-grid {
  display: grid;
  gap: var(--space-3);
}

.cap-block {
  border: 1px solid var(--line-faint);
  padding: var(--space-3);
  background: var(--paper-shade);
  position: relative;
}

.cap-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--stamp);
  opacity: 0.45;
}

.cap-block h3 {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin: 0 0 var(--space-2);
  font-weight: 500;
}

.cap-block ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.cap-block li {
  padding: 0.25em 0 0.25em 1.25em;
  position: relative;
  font-size: 0.9375rem;
  color: var(--ink-soft);
  line-height: 1.45;
}

.cap-block li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--stamp);
  font-family: var(--font-mono);
  font-size: 0.75em;
  top: 0.4em;
}

.cap-block .cap-lead {
  font-size: 0.9375rem;
  color: var(--ink-soft);
  margin: 0 0 var(--space-2);
  line-height: 1.55;
}

/* Partner brand strip */
.partner-strip {
  border-top: 1px solid var(--line-faint);
  padding-top: var(--space-3);
  margin-top: var(--space-4);
}

.partner-strip-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin: 0 0 var(--space-2);
}

.partner-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}

.partner-list li {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink);
  letter-spacing: 0.04em;
  padding: 0.3em 0.7em;
  border: 1px solid var(--line-faint);
  background: var(--paper);
}

@media (min-width: 768px) {
  .cap-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .cap-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --------------------------------------------------------------------------
   18. SHOWCASE GRIDS (portfolio + references)
   -------------------------------------------------------------------------- */

.portfolio-grid {
  display: grid;
  gap: 0;
}

.portfolio-card {
  display: grid;
  grid-template-columns: 2.5rem 1fr auto;
  gap: 0 var(--space-3);
  align-items: baseline;
  border-bottom: 1px solid var(--line-faint);
  padding: var(--space-2) 0;
}

.portfolio-card-idx {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--stamp);
}

.portfolio-card-name {
  font-size: 0.9375rem;
  color: var(--ink);
}

.portfolio-card-sector {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-align: right;
}

@media (min-width: 768px) {
  .portfolio-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 var(--space-6);
  }
}

/* References / patron grid */
.patron-sector-grid {
  display: grid;
  gap: 0;
}

.patron-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--line-faint);
  padding: var(--space-2) 0;
  gap: var(--space-3);
}

.patron-item-name {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--ink);
  text-decoration: none;
}
a.patron-item-name:hover { color: var(--stamp); }

.patron-item-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

@media (min-width: 768px) {
  .patron-sector-grid {
    gap: var(--space-1) 0;
  }
}

/* --------------------------------------------------------------------------
   19. PAPERS / RESEARCH
   -------------------------------------------------------------------------- */

.paper-card {
  border: 1px solid var(--line-faint);
  padding: var(--space-4) var(--space-4) var(--space-5);
  background: var(--paper-shade);
}

.paper-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.725rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--paper);
  background: var(--stamp);
  padding: 0.2em 0.6em;
  margin-bottom: var(--space-3);
}

.paper-title {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 2.5vw, 1.875rem);
  margin: 0 0 var(--space-3);
  line-height: 1.2;
  color: var(--graphite);
}

.paper-abstract {
  font-size: 0.9375rem;
  color: var(--ink-soft);
  line-height: 1.75;
  max-width: 72ch;
  margin: 0 0 var(--space-4);
  border-left: 3px solid var(--line-faint);
  padding-left: var(--space-3);
}

.paper-download {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--stamp);
  text-decoration: none;
  border: 1px solid var(--stamp);
  padding: 0.45em 0.9em;
  transition: background 0.15s, color 0.15s;
}

.paper-download:hover,
.paper-download:focus-visible {
  background: var(--stamp);
  color: var(--paper);
}

.paper-note {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  margin-top: var(--space-3);
}

/* --------------------------------------------------------------------------
   20. ABOUT
   -------------------------------------------------------------------------- */

.about-narrative {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 68ch;
}

.about-narrative p + p {
  margin-top: var(--space-3);
}

.about-narrative strong {
  color: var(--ink);
}

.about-facts {
  border: 1px solid var(--line-faint);
  padding: var(--space-3);
  background: var(--paper-shade);
  margin-top: var(--space-4);
}

.about-facts dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-1) var(--space-3);
  margin: 0;
}

.about-facts dt {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  padding-top: 0.15em;
  white-space: nowrap;
}

.about-facts dd {
  font-size: 0.9375rem;
  color: var(--ink);
  margin: 0;
  padding: 0;
}

.team-grid {
  display: grid;
  gap: var(--space-3);
}

.team-card {
  border: 1px solid var(--line-faint);
  padding: var(--space-3);
  background: var(--paper-shade);
  text-align: center;
}

.team-card-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--line-faint);
  margin: 0 auto var(--space-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--ink-soft);
  background: var(--paper);
}

.team-card h3 {
  font-size: 0.9375rem;
  margin: 0 0 0.25em;
}

.team-card-role {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin: 0;
}

@media (min-width: 768px) {
  .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --------------------------------------------------------------------------
   21. CONTACT
   -------------------------------------------------------------------------- */

.contact-layout {
  display: grid;
  gap: var(--space-5);
}

.contact-details dl {
  margin: 0;
}

.contact-details dt {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-top: var(--space-3);
}

.contact-details dt:first-child {
  margin-top: 0;
}

.contact-details dd {
  margin: 0.3em 0 0;
  padding: 0;
  font-size: 0.9375rem;
  color: var(--ink);
}

.contact-details a {
  color: var(--ink);
}

.map-card {
  border: 1px solid var(--line-faint);
  padding: var(--space-3);
  background: var(--paper-shade);
  margin-top: var(--space-4);
}

.map-card-label {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin: 0 0 var(--space-1);
}

.map-card-coords {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-soft);
  margin: 0 0 var(--space-2);
}

.map-card-link {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--stamp);
  border-bottom: 1px solid var(--stamp);
  text-decoration: none;
}

.map-card-link:hover,
.map-card-link:focus-visible {
  opacity: 0.75;
}

/* Shared form styles (contact + quote) */
.form-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.375em;
}

.form-field label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.form-field input,
.form-field textarea,
.form-field select {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.55em 0.75em;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
  -webkit-appearance: none;
  border-radius: 0;
}

.form-field textarea {
  min-height: 120px;
  resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--ink);
}

/* WHY: :user-valid / :user-invalid only fire after user interaction —
   no red borders on page load. Baseline 2026 (Chrome/Edge/Safari/Firefox).
   Graceful fallback: browsers without support show no validation styling. */
.form-field input:user-invalid,
.form-field textarea:user-invalid,
.form-field select:user-invalid {
  border-color: var(--stamp);
}
.form-field input:user-valid,
.form-field textarea:user-valid,
.form-field select:user-valid {
  border-color: #2d7d46; /* green success — no existing design token for positive validation */
}

.form-row {
  display: grid;
  gap: var(--space-3);
}

.form-note {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

/* WHY: honeypot field catches bots; must never be visible to humans */
.form-honey {
  display: none !important;
}

@media (min-width: 768px) {
  .contact-layout {
    grid-template-columns: 1fr 1fr;
  }

  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* --------------------------------------------------------------------------
   22. QUOTE FORM
   -------------------------------------------------------------------------- */

.quote-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 52rem;
}

.form-section {
  border: 1px solid var(--line-faint);
  padding: var(--space-3);
  position: relative;
}

.form-section legend {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
  padding: 0 0.5em;
  background: var(--paper);
}

.checkbox-grid {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.checkbox-item {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  cursor: pointer;
}

.checkbox-item input[type="checkbox"] {
  width: 1em;
  height: 1em;
  margin-top: 0.2em;
  accent-color: var(--stamp);
  flex-shrink: 0;
  cursor: pointer;
}

.checkbox-item span {
  font-size: 0.9375rem;
  color: var(--ink-soft);
  line-height: 1.4;
}

@media (min-width: 768px) {
  .checkbox-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* --------------------------------------------------------------------------
   23. LEGAL
   -------------------------------------------------------------------------- */

.legal-body {
  max-width: 74ch;
}

.legal-scope {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-soft);
  border: 1px solid var(--line-faint);
  padding: var(--space-2) var(--space-3);
  background: var(--paper-shade);
  margin-bottom: var(--space-4);
  line-height: 1.5;
}

.legal-body h2 {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin: var(--space-4) 0 var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--line-faint);
  font-weight: 500;
}

.legal-body h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.legal-body p {
  font-size: 0.9375rem;
  color: var(--ink-soft);
  line-height: 1.8;
  margin: 0 0 var(--space-3);
}

.legal-body a {
  color: var(--ink);
}

.legal-last-updated {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: var(--ink-soft);
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid var(--line-faint);
}

/* --------------------------------------------------------------------------
   24. PAGEFIND SEARCH — Instrument-styled search overlay
   WHY: Default Pagefind UI looks generic. Override to match the Instrument
        design system (paper, ink, stamp tokens, Instrument Sans/Serif fonts).
   REF: E5.F2.S2
   -------------------------------------------------------------------------- */

/* Search input — matches .form-field input styling */
.pagefind-ui__search-input {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.55em 0.75em;
  outline: none;
  border-radius: 0;
  width: 100%;
}
.pagefind-ui__search-input:focus {
  border-color: var(--ink);
}

/* Search button — stamp button styling */
.pagefind-ui__search-button {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--stamp);
  color: var(--paper);
  border: none;
  padding: 0.55em 1.2em;
  cursor: pointer;
  transition: background 0.14s;
}
.pagefind-ui__search-button:hover {
  background: #a82020;
}

/* Result title — Instrument Serif */
.pagefind-ui__result-title {
  font-family: "Instrument Serif", serif;
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--ink);
  margin: 0 0 0.3em;
}
.pagefind-ui__result-link {
  text-decoration: none;
  color: var(--ink);
}
.pagefind-ui__result-link:hover {
  color: var(--stamp);
}

/* Result excerpt — body font */
.pagefind-ui__result-excerpt {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin: 0.3em 0 0;
}

/* Result list spacing */
.pagefind-ui__results {
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0 0;
}
.pagefind-ui__result {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--line-faint);
}
.pagefind-ui__result:last-child {
  border-bottom: none;
}

/* Loading / empty states */
.pagefind-ui__message {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-3) 0;
}

/* Clear search button */
.pagefind-ui__search-clear {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-soft);
  background: none;
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Search section container */
.search-section {
  padding: var(--space-4) 0 var(--space-5);
}
.search-section .section-head {
  margin-bottom: var(--space-3);
}