/* ==========================================================================
   Seat Belt OEM Supplier — seatbeltoemsupplier.com
   Design system: "Precision Instrument" — graphite / steel / signal orange
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* Surfaces */
  --carbon:      #0E1114;
  --graphite:    #171B21;
  --graphite-2:  #21262E;
  --steel:       #39414C;
  --steel-mid:   #5C6673;
  --steel-soft:  #949DA9;
  --mist:        #C3CAD3;

  --paper:       #F3F1ED;
  --paper-2:     #E9E6E0;
  --paper-3:     #DEDAD2;
  --rule:        #D2CDC4;
  --rule-dark:   rgba(255,255,255,.12);

  /* Accent */
  --signal:      #DC4409;
  --signal-hot:  #FF5A1E;
  --signal-soft: rgba(220, 68, 9, .10);

  /* Text */
  --ink:         #14171B;
  --ink-2:       #3E454E;
  --ink-3:       #616A75;
  --on-dark:     #F1EFEB;
  --on-dark-2:   #AEB6C0;

  /* Type */
  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body:    "Inter", "Helvetica Neue", Arial, sans-serif;
  --f-mono:    "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  /* Metrics */
  --shell: 1320px;
  --gut: clamp(20px, 5vw, 64px);
  --sec-y: clamp(64px, 9vw, 128px);
  --r: 2px;

  --ease: cubic-bezier(.22,.61,.36,1);
  --dur: .5s;
}

/* ---------- 2. Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: clamp(15.5px, .55vw + 14px, 17px);
  line-height: 1.68;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video { max-width: 100%; display: block; }
img { height: auto; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }

h1, h2, h3, h4, h5 {
  font-family: var(--f-display);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -.022em;
  margin: 0 0 .5em;
  color: var(--ink);
  text-wrap: balance;
}

h1 { font-size: clamp(2.4rem, 5.4vw, 4.55rem); font-weight: 800; letter-spacing: -.032em; }
h2 { font-size: clamp(1.85rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.2rem, 1.6vw, 1.5rem); letter-spacing: -.014em; }
h4 { font-size: clamp(1.02rem, 1.1vw, 1.15rem); letter-spacing: -.008em; }

p { margin: 0 0 1.1em; max-width: 74ch; }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0 0 1.2em; padding-left: 1.15em; }
li { margin-bottom: .5em; }

strong { font-weight: 600; color: var(--ink); }

::selection { background: var(--signal); color: #fff; }

/* Focus visibility */
:focus-visible {
  outline: 2px solid var(--signal-hot);
  outline-offset: 3px;
  border-radius: 1px;
}
.on-dark :focus-visible, .site-head :focus-visible, .site-foot :focus-visible {
  outline-color: var(--signal-hot);
}

.skip {
  position: absolute; left: 12px; top: -100px; z-index: 200;
  background: var(--carbon); color: #fff; padding: 12px 20px;
  font: 500 .8rem/1 var(--f-mono); letter-spacing: .06em; text-transform: uppercase;
  transition: top .18s var(--ease);
}
.skip:focus { top: 12px; }

/* ---------- 3. Layout primitives ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gut);
}
.shell--wide { max-width: 1560px; }

.section { padding-block: var(--sec-y); position: relative; }
.section--tight { padding-block: clamp(48px, 6vw, 84px); }

.on-dark { background: var(--carbon); color: var(--on-dark); }
.on-dark h1, .on-dark h2, .on-dark h3, .on-dark h4 { color: var(--on-dark); }
.on-dark p { color: var(--on-dark-2); }

.on-graphite { background: var(--graphite); color: var(--on-dark); }
.on-graphite h2, .on-graphite h3, .on-graphite h4 { color: var(--on-dark); }
.on-graphite p { color: var(--on-dark-2); }

.on-paper2 { background: var(--paper-2); }

/* ---------- 4. Signature: technical grid + rails ---------- */
.grid-tex { position: relative; isolation: isolate; }
.grid-tex::before {
  content: "";
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 20%, transparent 78%);
}
.grid-tex--light::before {
  background-image:
    linear-gradient(to right, rgba(20,23,27,.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(20,23,27,.055) 1px, transparent 1px);
}
.grid-tex > * { position: relative; z-index: 1; }

/* Section index marker: [ 01 ] LABEL ------------- */
.marker {
  display: flex; align-items: center; gap: 14px;
  font: 500 .705rem/1 var(--f-mono);
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: clamp(20px, 2.6vw, 34px);
}
.marker__no {
  color: var(--signal);
  border: 1px solid currentColor;
  padding: 5px 8px 4px;
  letter-spacing: .08em;
}
.marker__line { flex: 1 1 auto; height: 1px; background: var(--rule); min-width: 24px; }
.on-dark .marker, .on-graphite .marker { color: var(--steel-soft); }
.on-dark .marker__no, .on-graphite .marker__no { color: var(--signal-hot); }
.on-dark .marker__line, .on-graphite .marker__line { background: var(--rule-dark); }

/* Eyebrow label */
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font: 500 .705rem/1 var(--f-mono);
  letter-spacing: .17em; text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: ""; width: 22px; height: 1px; background: currentColor; flex: none;
}
.on-dark .eyebrow, .on-graphite .eyebrow { color: var(--signal-hot); }

/* Tick rail — a measuring-scale motif */
.tickrail {
  height: 13px;
  background-image: repeating-linear-gradient(to right,
    var(--rule) 0 1px, transparent 1px 13px);
  background-position: bottom left;
  background-repeat: repeat-x;
  border-bottom: 1px solid var(--rule);
}
.on-dark .tickrail, .on-graphite .tickrail {
  background-image: repeating-linear-gradient(to right,
    rgba(255,255,255,.16) 0 1px, transparent 1px 13px);
  border-bottom-color: rgba(255,255,255,.16);
}

/* Lead paragraph */
.lead {
  font-size: clamp(1.06rem, 1.25vw, 1.28rem);
  line-height: 1.6;
  color: var(--ink-2);
  font-weight: 400;
  max-width: 62ch;
}
.on-dark .lead, .on-graphite .lead { color: var(--mist); }

.muted { color: var(--ink-3); }
.note {
  font: 400 .84rem/1.62 var(--f-body);
  color: var(--ink-3);
  border-left: 2px solid var(--signal);
  padding-left: 16px;
  max-width: 68ch;
}
.on-dark .note, .on-graphite .note { color: var(--steel-soft); }

/* ---------- 5. Buttons ---------- */
.btn {
  --btn-bg: var(--carbon);
  --btn-fg: #fff;
  position: relative;
  display: inline-flex; align-items: center; gap: 12px;
  padding: 16px 26px;
  background: var(--btn-bg); color: var(--btn-fg);
  font: 500 .78rem/1 var(--f-mono);
  letter-spacing: .12em; text-transform: uppercase;
  border: 1px solid var(--btn-bg);
  border-radius: var(--r);
  cursor: pointer;
  overflow: hidden;
  transition: background .28s var(--ease), color .28s var(--ease),
              border-color .28s var(--ease), transform .28s var(--ease);
}
.btn__ar { display: inline-block; transition: transform .32s var(--ease); }
.btn:hover .btn__ar { transform: translateX(5px); }

.btn--signal { --btn-bg: var(--signal); border-color: var(--signal); }
.btn--signal:hover { --btn-bg: var(--signal-hot); border-color: var(--signal-hot); }

.btn--dark:hover { --btn-bg: var(--signal); border-color: var(--signal); }

.btn--ghost {
  --btn-bg: transparent; --btn-fg: var(--ink);
  border-color: var(--rule);
}
.btn--ghost:hover { --btn-fg: #fff; --btn-bg: var(--carbon); border-color: var(--carbon); }

.btn--ghost-light {
  --btn-bg: transparent; --btn-fg: var(--on-dark);
  border-color: rgba(255,255,255,.28);
}
.btn--ghost-light:hover { --btn-bg: #fff; --btn-fg: var(--carbon); border-color: #fff; }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: clamp(26px, 3vw, 38px); }

/* Text link with underline sweep */
.tlink {
  display: inline-flex; align-items: center; gap: 9px;
  font: 500 .78rem/1 var(--f-mono);
  letter-spacing: .11em; text-transform: uppercase;
  color: var(--signal);
  padding-bottom: 4px;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 100% 1px; background-repeat: no-repeat; background-position: 0 100%;
  transition: background-size .34s var(--ease), color .2s var(--ease);
}
.tlink:hover { background-size: 30% 1px; }
.on-dark .tlink, .on-graphite .tlink { color: var(--signal-hot); }
.tlink--ink { color: var(--ink); }
.tlink--ink:hover { color: var(--signal); }

/* In-sentence link: keeps body typography */
.tlink--prose {
  color: var(--signal);
  font-weight: 500;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 100% 1px; background-repeat: no-repeat; background-position: 0 1.15em;
  transition: background-size .34s var(--ease), color .2s var(--ease);
}
.tlink--prose:hover { background-size: 0% 1px; color: var(--signal-hot); }
.on-dark .tlink--prose, .on-graphite .tlink--prose { color: var(--signal-hot); }
.on-dark .tlink--prose:hover, .on-graphite .tlink--prose:hover { color: #fff; }

/* ---------- 6. Figures / image plates ---------- */
.fig { position: relative; margin: 0; background: var(--paper-3); overflow: hidden; }
.fig img { width: 100%; height: 100%; object-fit: cover; display: block; }
.fig--3x2  { aspect-ratio: 3 / 2; }
.fig--4x3  { aspect-ratio: 4 / 3; }
.fig--1x1  { aspect-ratio: 1 / 1; }
.fig--2x3  { aspect-ratio: 2 / 3; }
.fig--3x4  { aspect-ratio: 3 / 4; }
.fig--auto { aspect-ratio: auto; }
.fig--contain { background: var(--graphite); }
.fig--contain img { object-fit: contain; }

/* Engineering corner brackets */
.plate { position: relative; }
.plate::before, .plate::after {
  content: ""; position: absolute; width: 26px; height: 26px; pointer-events: none; z-index: 2;
  border-color: var(--signal); border-style: solid; border-width: 0;
}
.plate::before { top: -1px; left: -1px; border-top-width: 2px; border-left-width: 2px; }
.plate::after  { bottom: -1px; right: -1px; border-bottom-width: 2px; border-right-width: 2px; }

/* Caption chip floating on a plate */
.chip {
  position: absolute; z-index: 3;
  background: var(--carbon); color: var(--on-dark);
  padding: 14px 18px;
  border-left: 2px solid var(--signal);
  max-width: min(300px, 78%);
}
.chip__k { font: 500 .66rem/1 var(--f-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--signal-hot); display: block; margin-bottom: 7px; }
.chip__v { font: 500 .875rem/1.45 var(--f-body); color: var(--on-dark); display: block; }
.chip--bl { left: 0; bottom: 0; }
.chip--br { right: 0; bottom: 0; }
.chip--tl { left: 0; top: 0; }

/* Zoom-on-hover for interactive figures */
.zoomfig img { transition: transform .8s var(--ease); }
.zoomfig:hover img, a:hover .zoomfig img { transform: scale(1.045); }

/* ---------- 7. Header / navigation ---------- */
.site-head {
  position: sticky; top: 0; z-index: 100;
  background: rgba(14,17,20,.94);
  border-bottom: 1px solid rgba(255,255,255,.09);
  backdrop-filter: saturate(160%) blur(9px);
  -webkit-backdrop-filter: saturate(160%) blur(9px);
}
.site-head .shell { max-width: 1560px; }
.head-in {
  display: flex; align-items: center; justify-content: space-between;
  gap: 22px; min-height: 74px;
}

.brand { display: flex; align-items: center; gap: 12px; flex: none; padding-block: 12px; }
.brand__mark { flex: none; }
.brand__txt { display: flex; flex-direction: column; line-height: 1; }
.brand__n1 {
  font-family: var(--f-display); font-weight: 800; font-size: 1.02rem;
  letter-spacing: -.012em; color: #fff; white-space: nowrap;
}
.brand__n2 {
  font: 500 .58rem/1 var(--f-mono); letter-spacing: .22em;
  text-transform: uppercase; color: var(--signal-hot); margin-top: 6px;
}

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative;
  padding: 10px 10px;
  font: 500 .735rem/1 var(--f-mono);
  letter-spacing: .05em; text-transform: uppercase;
  color: var(--on-dark-2);
  transition: color .22s var(--ease);
  white-space: nowrap;
}
.nav a::after {
  content: ""; position: absolute; left: 10px; right: 10px; bottom: 2px;
  height: 1px; background: var(--signal-hot);
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav a:hover { color: #fff; }
.nav a:hover::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: #fff; }
.nav a[aria-current="page"]::after { transform: scaleX(1); }

.head-cta { display: flex; align-items: center; gap: 10px; flex: none; }
.head-tel {
  display: inline-flex; align-items: center; gap: 8px;
  font: 500 .755rem/1 var(--f-mono); letter-spacing: .05em;
  color: var(--on-dark); padding: 10px 4px;
  transition: color .22s var(--ease);
}
.head-tel:hover { color: var(--signal-hot); }
.head-cta .btn { padding: 13px 20px; font-size: .715rem; }

.burger {
  display: none;
  width: 46px; height: 46px;
  background: transparent; border: 1px solid rgba(255,255,255,.24);
  border-radius: var(--r); cursor: pointer;
  align-items: center; justify-content: center;
  transition: border-color .22s var(--ease), background .22s var(--ease);
}
.burger:hover { border-color: var(--signal-hot); }
.burger span {
  display: block; position: relative; width: 19px; height: 1.5px;
  background: #fff; transition: background .2s var(--ease);
}
.burger span::before, .burger span::after {
  content: ""; position: absolute; left: 0; width: 19px; height: 1.5px; background: #fff;
  transition: transform .3s var(--ease), top .22s var(--ease);
}
.burger span::before { top: -6px; }
.burger span::after  { top: 6px; }
.burger[aria-expanded="true"] span { background: transparent; }
.burger[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.burger[aria-expanded="true"] span::after  { top: 0; transform: rotate(-45deg); }

/* Mobile drawer */
.mnav {
  display: none;
  border-top: 1px solid rgba(255,255,255,.09);
  background: var(--carbon);
  max-height: calc(100dvh - 74px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.mnav.is-open { display: block; }
.mnav ul { list-style: none; margin: 0; padding: 8px 0 18px; }
.mnav li { margin: 0; border-bottom: 1px solid rgba(255,255,255,.07); }
.mnav li:last-child { border-bottom: 0; }
.mnav a {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 17px 2px;
  font: 500 .8rem/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase;
  color: var(--on-dark-2);
  transition: color .2s var(--ease), padding-left .25s var(--ease);
}
.mnav a::after { content: attr(data-i); font-size: .66rem; color: var(--steel-mid); letter-spacing: .1em; }
.mnav a:hover, .mnav a[aria-current="page"] { color: #fff; padding-left: 10px; }
.mnav a[aria-current="page"]::after { color: var(--signal-hot); }
.mnav__foot { padding: 4px 0 26px; display: flex; flex-wrap: wrap; gap: 10px; }
.mnav__foot .btn { flex: 1 1 180px; justify-content: center; }

/* ---------- 8. Hero (home) ---------- */
.hero {
  position: relative;
  background: var(--carbon);
  color: var(--on-dark);
  overflow: hidden;
  padding-block: clamp(52px, 7vw, 96px) clamp(0px, 1vw, 8px);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(115deg, #000 5%, transparent 62%);
  -webkit-mask-image: linear-gradient(115deg, #000 5%, transparent 62%);
}
.hero > * { position: relative; z-index: 2; }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  gap: clamp(30px, 4.5vw, 68px);
  align-items: center;
}
.hero-copy h1 { color: #fff; margin-bottom: 22px; }
.hero-copy h1 em {
  font-style: normal; color: var(--signal-hot);
  display: block;
}
.hero-copy .lead { color: var(--mist); max-width: 54ch; }

.hero-tag {
  display: inline-flex; align-items: center; gap: 10px;
  border: 1px solid rgba(255,255,255,.2);
  padding: 9px 14px; margin-bottom: 26px;
  font: 500 .68rem/1 var(--f-mono); letter-spacing: .16em; text-transform: uppercase;
  color: var(--mist);
}
.hero-tag i {
  width: 6px; height: 6px; background: var(--signal-hot); flex: none;
  border-radius: 50%;
}

.hero-plate { position: relative; }
.hero-plate .fig { aspect-ratio: 4 / 3; background: var(--graphite); }
.hero-plate .chip { bottom: -1px; left: -1px; }

.hero-spec {
  position: absolute; top: 18px; right: -1px; z-index: 3;
  background: rgba(14,17,20,.9);
  border: 1px solid rgba(255,255,255,.16);
  padding: 12px 15px;
  font: 500 .655rem/1.7 var(--f-mono);
  letter-spacing: .1em; text-transform: uppercase; color: var(--mist);
}
.hero-spec b { color: var(--signal-hot); font-weight: 500; }

/* Hero index bar */
.hero-bar {
  margin-top: clamp(38px, 5vw, 64px);
  border-top: 1px solid rgba(255,255,255,.13);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.hero-bar div {
  padding: 22px 22px 26px 0;
  border-right: 1px solid rgba(255,255,255,.09);
}
.hero-bar div:last-child { border-right: 0; }
.hero-bar dt {
  font: 500 .655rem/1 var(--f-mono); letter-spacing: .16em; text-transform: uppercase;
  color: var(--signal-hot); margin-bottom: 10px;
}
.hero-bar dd {
  margin: 0; font-family: var(--f-display); font-weight: 600;
  font-size: clamp(.95rem, 1.15vw, 1.1rem); line-height: 1.32; color: var(--on-dark);
  letter-spacing: -.01em;
}

/* ---------- 9. Page hero (inner pages) ---------- */
.phero {
  position: relative;
  background: var(--carbon); color: var(--on-dark);
  overflow: hidden;
  padding-block: clamp(52px, 7vw, 92px) clamp(52px, 7vw, 88px);
}
.phero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: linear-gradient(200deg, #000 0%, transparent 70%);
  -webkit-mask-image: linear-gradient(200deg, #000 0%, transparent 70%);
}
.phero > * { position: relative; z-index: 2; }
.phero h1 { color: #fff; max-width: 18ch; }
.phero .lead { color: var(--mist); }
.phero-grid {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(28px, 4vw, 64px); align-items: end;
}

/* Breadcrumb */
.crumb {
  display: flex; flex-wrap: wrap; align-items: center; gap: 9px;
  list-style: none; margin: 0 0 22px; padding: 0;
  font: 500 .68rem/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase;
  color: var(--steel-soft);
}
.crumb li { margin: 0; display: flex; align-items: center; gap: 9px; }
.crumb li + li::before { content: "/"; color: var(--steel-mid); }
.crumb a { color: var(--steel-soft); transition: color .2s var(--ease); }
.crumb a:hover { color: var(--signal-hot); }
.crumb [aria-current] { color: var(--on-dark); }

/* ---------- 10. Section headers ---------- */
.shead { max-width: 66ch; margin-bottom: clamp(34px, 4.2vw, 58px); }
.shead--wide { max-width: 84ch; }
.shead-split {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
  gap: clamp(22px, 4vw, 64px); align-items: end;
  margin-bottom: clamp(34px, 4.2vw, 58px);
}
.shead-split h2 { margin-bottom: 0; }
.shead-split p { margin-bottom: 0; }

/* ---------- 11. Editorial offset block ---------- */
.edit-offset {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
  gap: clamp(28px, 4.5vw, 72px);
  align-items: center;
}
.edit-offset--flip .edit-offset__media { order: -1; }
.edit-offset__media { position: relative; }

.stat-strip {
  display: grid; gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin-top: clamp(24px, 3vw, 36px);
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}
.stat-strip > div { background: var(--paper); padding: 20px 20px 22px; }
@media (max-width: 640px) { .stat-strip { grid-template-columns: 1fr; } }
.stat-strip dt {
  font: 500 .655rem/1 var(--f-mono); letter-spacing: .15em; text-transform: uppercase;
  color: var(--signal); margin-bottom: 9px;
}
.stat-strip dd {
  margin: 0; font-family: var(--f-display); font-weight: 600; font-size: 1rem;
  line-height: 1.35; letter-spacing: -.01em;
}
.on-paper2 .stat-strip > div { background: var(--paper-2); }

/* ---------- 12. Solutions matrix (asymmetric) ---------- */
.matrix {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule-dark);
  border: 1px solid var(--rule-dark);
}
.mcell {
  background: var(--carbon);
  padding: clamp(24px, 2.6vw, 36px);
  grid-column: span 3;
  position: relative;
  display: flex; flex-direction: column;
  transition: background .34s var(--ease);
  min-height: 232px;
}
.mcell:hover { background: var(--graphite-2); }
.mcell--feature { grid-column: span 3; grid-row: span 2; padding: 0; overflow: hidden; }
.mcell--wide { grid-column: span 6; }
.mcell__no {
  font: 500 .68rem/1 var(--f-mono); letter-spacing: .14em;
  color: var(--steel-mid); margin-bottom: 20px;
  transition: color .3s var(--ease);
}
.mcell:hover .mcell__no { color: var(--signal-hot); }
.mcell h3 { color: #fff; font-size: clamp(1.06rem, 1.35vw, 1.28rem); margin-bottom: 12px; }
.mcell p { color: var(--on-dark-2); font-size: .915rem; margin-bottom: 0; }
.mcell__rule {
  margin-top: auto; padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.1);
  font: 500 .68rem/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase;
  color: var(--steel-soft);
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  transition: color .3s var(--ease);
}
.mcell:hover .mcell__rule { color: var(--signal-hot); }

.mcell--feature .fig { height: 100%; aspect-ratio: auto; min-height: 300px; }
.mcell--feature .fig img { height: 100%; }
.mfeature-body {
  position: absolute; inset: auto 0 0 0; z-index: 2;
  padding: clamp(24px, 2.6vw, 36px);
  background: linear-gradient(to top, rgba(14,17,20,.96) 30%, rgba(14,17,20,.72) 66%, rgba(14,17,20,0));
}
.mfeature-body h3 { color: #fff; }
.mfeature-body p { color: var(--mist); margin-bottom: 0; }

/* ---------- 13. Component architecture diagram ---------- */
.arch {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: clamp(28px, 4vw, 60px);
  align-items: center;
}
.arch-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule-dark); }
.arch-item { margin: 0; border-bottom: 1px solid var(--rule-dark); }
.arch-btn {
  width: 100%; background: transparent; border: 0; cursor: pointer;
  display: grid; grid-template-columns: 46px minmax(0,1fr) 20px; align-items: start;
  gap: 14px; padding: 20px 6px 20px 0; text-align: left;
  transition: padding-left .3s var(--ease);
}
.arch-btn:hover, .arch-item.is-active .arch-btn { padding-left: 10px; }
.arch-no {
  font: 500 .72rem/1.5 var(--f-mono); letter-spacing: .1em;
  color: var(--steel-mid); transition: color .3s var(--ease); padding-top: 3px;
}
.arch-item.is-active .arch-no, .arch-btn:hover .arch-no { color: var(--signal-hot); }
.arch-ttl {
  font-family: var(--f-display); font-weight: 600;
  font-size: clamp(1.02rem, 1.3vw, 1.2rem); letter-spacing: -.012em;
  color: var(--steel-soft); transition: color .3s var(--ease); display: block;
}
.arch-item.is-active .arch-ttl, .arch-btn:hover .arch-ttl { color: #fff; }
.arch-desc {
  display: block; font-size: .9rem; line-height: 1.6; color: var(--steel-mid);
  margin-top: 9px; max-height: 0; overflow: hidden;
  transition: max-height .42s var(--ease), margin-top .42s var(--ease), color .3s var(--ease);
}
.arch-item.is-active .arch-desc { max-height: 220px; color: var(--on-dark-2); }
.arch-plus {
  width: 12px; height: 12px; position: relative; margin-top: 8px;
  opacity: .55; transition: opacity .3s var(--ease), transform .34s var(--ease);
}
.arch-plus::before, .arch-plus::after {
  content: ""; position: absolute; background: currentColor; color: var(--steel-soft);
}
.arch-plus::before { top: 5px; left: 0; width: 12px; height: 1.5px; }
.arch-plus::after  { left: 5px; top: 0; height: 12px; width: 1.5px; transition: transform .34s var(--ease); }
.arch-item.is-active .arch-plus { opacity: 1; }
.arch-item.is-active .arch-plus::after { transform: scaleY(0); }
.arch-item.is-active .arch-plus::before { background: var(--signal-hot); }

.arch-stage { position: relative; }
.arch-stage .fig { aspect-ratio: 4 / 3; background: var(--graphite); }
.arch-dot {
  position: absolute; z-index: 3;
  width: 30px; height: 30px; border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,.6);
  background: rgba(14,17,20,.55);
  color: #fff;
  font: 500 .64rem/1 var(--f-mono); letter-spacing: .04em;
  display: grid; place-items: center;
  transform: translate(-50%, -50%);
  transition: background .3s var(--ease), border-color .3s var(--ease), transform .34s var(--ease);
  backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
}
.arch-dot.is-on {
  background: var(--signal); border-color: var(--signal-hot);
  transform: translate(-50%, -50%) scale(1.28);
  box-shadow: 0 0 0 6px rgba(220,68,9,.22);
}

/* ---------- 14. Application slabs ---------- */
.slabs { display: grid; gap: clamp(14px, 1.6vw, 20px); }
.slab {
  position: relative; overflow: hidden;
  background: var(--graphite);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: stretch;
  border: 1px solid var(--rule-dark);
}
.slab:nth-child(even) .slab__media { order: 2; }
.slab__media { position: relative; overflow: hidden; }
.slab__media::before { content: ""; display: block; padding-top: 66%; }
.slab__media img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .85s var(--ease);
}
.slab:hover .slab__media img { transform: scale(1.04); }
.slab__body {
  padding: clamp(26px, 3.2vw, 52px);
  display: flex; flex-direction: column; justify-content: center;
}
.slab__no {
  font: 500 .68rem/1 var(--f-mono); letter-spacing: .15em; text-transform: uppercase;
  color: var(--signal-hot); margin-bottom: 16px;
}
.slab h3 { color: #fff; margin-bottom: 12px; font-size: clamp(1.24rem, 1.9vw, 1.65rem); }
.slab p { color: var(--on-dark-2); font-size: .935rem; }
.slab__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; list-style: none; padding: 0; }
.slab__tags li {
  margin: 0; padding: 7px 11px;
  border: 1px solid rgba(255,255,255,.16);
  font: 500 .655rem/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase;
  color: var(--mist);
}

/* ---------- 15. Principles (numbered hairline list) ---------- */
.principles { border-top: 1px solid var(--rule); }
.principle {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) minmax(0, 1.25fr);
  gap: clamp(16px, 3vw, 44px);
  padding: clamp(26px, 3vw, 40px) 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
  transition: background .34s var(--ease);
}
.principle:hover { background: rgba(220,68,9,.035); }
.principle__no {
  font: 500 .78rem/1 var(--f-mono); letter-spacing: .1em; color: var(--signal);
  padding-top: 7px;
}
.principle h3 { margin-bottom: 0; }
.principle p { margin-bottom: 0; color: var(--ink-2); font-size: .95rem; }
.on-dark .principles, .on-dark .principle,
.on-graphite .principles, .on-graphite .principle { border-color: var(--rule-dark); }
.on-dark .principle:hover, .on-graphite .principle:hover { background: rgba(255,255,255,.03); }
.on-dark .principle__no, .on-graphite .principle__no { color: var(--signal-hot); }

/* ---------- 16. Process timeline ---------- */
.flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(184px, 1fr));
  gap: 0;
  border-top: 1px solid var(--rule);
  counter-reset: step;
}
.on-dark .flow, .on-graphite .flow { border-color: var(--rule-dark); }
.flow-step {
  position: relative;
  padding: 34px clamp(16px, 2vw, 26px) 30px 0;
  border-right: 1px solid var(--rule);
}
.on-dark .flow-step, .on-graphite .flow-step { border-color: var(--rule-dark); }
.flow-step:last-child { border-right: 0; }
.flow-step::before {
  content: ""; position: absolute; top: -5px; left: 0;
  width: 9px; height: 9px; background: var(--paper); border: 1.5px solid var(--signal);
  border-radius: 50%;
}
.on-dark .flow-step::before, .on-graphite .flow-step::before { background: var(--carbon); }
.on-paper2 .flow-step::before { background: var(--paper-2); }
.flow-step__k {
  font: 500 .655rem/1 var(--f-mono); letter-spacing: .15em; text-transform: uppercase;
  color: var(--signal); margin-bottom: 12px;
}
.on-dark .flow-step__k, .on-graphite .flow-step__k { color: var(--signal-hot); }
.flow-step h3 { font-size: clamp(1rem, 1.15vw, 1.12rem); margin-bottom: 9px; }
.flow-step p { font-size: .885rem; line-height: 1.6; margin-bottom: 0; color: var(--ink-2); }
.on-dark .flow-step p, .on-graphite .flow-step p { color: var(--on-dark-2); }

/* ---------- 17. Spec sheet table ---------- */
.spec-sheet { border: 1px solid var(--rule); background: var(--paper); }
.spec-row {
  display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr) minmax(0, 1.15fr);
  gap: clamp(14px, 2.4vw, 36px);
  padding: clamp(20px, 2.2vw, 28px) clamp(18px, 2.2vw, 30px);
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.spec-row:last-child { border-bottom: 0; }
.spec-row:nth-child(odd) { background: var(--paper-2); }
.spec-row__k {
  font: 500 .705rem/1.5 var(--f-mono); letter-spacing: .13em; text-transform: uppercase;
  color: var(--signal);
}
.spec-row__t { font-family: var(--f-display); font-weight: 600; font-size: 1.02rem; letter-spacing: -.01em; }
.spec-row__d { font-size: .915rem; color: var(--ink-2); margin: 0; line-height: 1.62; }
.spec-head {
  display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr) minmax(0, 1.15fr);
  gap: clamp(14px, 2.4vw, 36px);
  padding: 15px clamp(18px, 2.2vw, 30px);
  background: var(--carbon); color: var(--on-dark);
  font: 500 .655rem/1 var(--f-mono); letter-spacing: .16em; text-transform: uppercase;
}

/* ---------- 18. Product panels (horizontal, alternating) ---------- */
.prod {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: clamp(24px, 3.6vw, 60px);
  align-items: center;
  padding-block: clamp(38px, 4.4vw, 66px);
  border-bottom: 1px solid var(--rule);
}
.prod:last-of-type { border-bottom: 0; }
.prod--flip .prod__media { order: -1; }
.prod__media { position: relative; }
.prod__no {
  font: 500 .72rem/1 var(--f-mono); letter-spacing: .16em; text-transform: uppercase;
  color: var(--signal); margin-bottom: 15px; display: block;
}
.prod h3 { font-size: clamp(1.32rem, 2.1vw, 1.85rem); margin-bottom: 14px; }
.prod__meta {
  list-style: none; margin: 22px 0 0; padding: 0;
  display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule);
}
.prod__meta li {
  margin: 0; background: var(--paper); padding: 14px 16px;
  display: grid; grid-template-columns: minmax(0, .62fr) minmax(0, 1fr); gap: 14px;
  align-items: baseline;
}
.prod__meta b {
  font: 500 .655rem/1.4 var(--f-mono); letter-spacing: .13em; text-transform: uppercase;
  color: var(--ink-3); font-weight: 500;
}
.prod__meta span { font-size: .9rem; color: var(--ink-2); }

/* ---------- 19. Insight / knowledge cards ---------- */
.insights { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.insight {
  background: var(--paper); padding: clamp(24px, 2.6vw, 34px);
  display: flex; flex-direction: column;
  transition: background .3s var(--ease);
}
.insight:hover { background: var(--paper-2); }
.insight__k {
  font: 500 .655rem/1 var(--f-mono); letter-spacing: .15em; text-transform: uppercase;
  color: var(--signal); margin-bottom: 16px;
}
.insight h3 { font-size: clamp(1.06rem, 1.3vw, 1.22rem); margin-bottom: 11px; }
.insight p { font-size: .915rem; color: var(--ink-2); margin-bottom: 20px; }
.insight .tlink { margin-top: auto; align-self: flex-start; }

.insights--3 { grid-template-columns: repeat(auto-fit, minmax(272px, 1fr)); }
.insights--2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

/* Article rows (resources page) */
.artlist { border-top: 1px solid var(--rule); }
.art {
  display: grid;
  grid-template-columns: 72px minmax(0, 1.5fr) minmax(0, 1fr) 130px;
  gap: clamp(16px, 2.6vw, 40px);
  align-items: center;
  padding: clamp(22px, 2.6vw, 32px) 0;
  border-bottom: 1px solid var(--rule);
  transition: background .3s var(--ease), padding-left .34s var(--ease);
}
.art:hover { background: rgba(220,68,9,.04); padding-left: 12px; }
.art__no { font: 500 .78rem/1 var(--f-mono); letter-spacing: .1em; color: var(--signal); }
.art h3 { margin-bottom: 0; font-size: clamp(1.06rem, 1.35vw, 1.26rem); }
.art p { margin: 0; font-size: .9rem; color: var(--ink-2); }
.art__go { justify-self: end; }

/* Article body sections */
.article { border-top: 1px solid var(--rule); padding-top: clamp(36px, 4vw, 56px); margin-top: clamp(36px, 4vw, 56px); }
.article:first-of-type { border-top: 0; padding-top: 0; margin-top: 0; }
.article-grid {
  display: grid; grid-template-columns: minmax(0, .34fr) minmax(0, 1fr);
  gap: clamp(20px, 3.4vw, 56px); align-items: start;
}
.article-aside {
  position: sticky; top: 104px;
}
.article-aside .eyebrow { margin-bottom: 10px; }
.article-aside h2 { font-size: clamp(1.35rem, 2.1vw, 1.9rem); }
.article-body h3 { margin-top: 1.8em; }
.article-body h3:first-child { margin-top: 0; }
.article-body ul { list-style: none; padding: 0; }
.article-body ul li {
  position: relative; padding-left: 26px; margin-bottom: .7em;
  color: var(--ink-2); font-size: .95rem;
}
.article-body ul li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 12px; height: 1px; background: var(--signal);
}

/* ---------- 20. Accordion (FAQ / detail) ---------- */
.acc { border-top: 1px solid var(--rule); }
.acc-item { border-bottom: 1px solid var(--rule); }
.acc-btn {
  width: 100%; background: transparent; border: 0; cursor: pointer;
  display: flex; align-items: flex-start; justify-content: space-between; gap: 20px;
  padding: clamp(20px, 2.2vw, 26px) 4px clamp(20px, 2.2vw, 26px) 0;
  text-align: left;
  font-family: var(--f-display); font-weight: 600;
  font-size: clamp(1rem, 1.22vw, 1.14rem); letter-spacing: -.012em; color: var(--ink);
  transition: color .24s var(--ease), padding-left .3s var(--ease);
}
.acc-btn:hover { color: var(--signal); padding-left: 8px; }
.acc-btn .arch-plus { flex: none; margin-top: 6px; }
.acc-btn .arch-plus::before, .acc-btn .arch-plus::after { color: var(--ink-3); }
.acc-item.is-open .acc-btn { color: var(--signal); }
.acc-item.is-open .arch-plus::after { transform: scaleY(0); }
.acc-item.is-open .arch-plus::before { background: var(--signal); }
.acc-panel { max-height: 0; overflow: hidden; transition: max-height .45s var(--ease); }
.acc-panel > div { padding: 0 40px 26px 0; }
.acc-panel p { font-size: .935rem; color: var(--ink-2); }

/* Accordion on dark surfaces */
.on-dark .acc, .on-graphite .acc,
.on-dark .acc-item, .on-graphite .acc-item { border-color: var(--rule-dark); }
.on-dark .acc-btn, .on-graphite .acc-btn { color: var(--on-dark); }
.on-dark .acc-btn:hover, .on-graphite .acc-btn:hover,
.on-dark .acc-item.is-open .acc-btn, .on-graphite .acc-item.is-open .acc-btn { color: var(--signal-hot); }
.on-dark .acc-btn .arch-plus::before, .on-dark .acc-btn .arch-plus::after,
.on-graphite .acc-btn .arch-plus::before, .on-graphite .acc-btn .arch-plus::after { color: var(--steel-soft); }
.on-dark .acc-item.is-open .arch-plus::before,
.on-graphite .acc-item.is-open .arch-plus::before { background: var(--signal-hot); }
.on-dark .acc-panel p, .on-graphite .acc-panel p { color: var(--on-dark-2); }

/* ---------- 21. CTA block ---------- */
.cta {
  position: relative; overflow: hidden;
  background: var(--carbon); color: var(--on-dark);
  padding-block: clamp(56px, 7vw, 104px);
}
.cta::before {
  content: ""; position: absolute; top: 0; right: 0; bottom: 0; width: 42%;
  background: repeating-linear-gradient(-58deg,
    rgba(220,68,9,.16) 0 3px, transparent 3px 15px);
  mask-image: linear-gradient(to left, #000, transparent);
  -webkit-mask-image: linear-gradient(to left, #000, transparent);
  pointer-events: none;
}
.cta > * { position: relative; z-index: 2; }
.cta-grid {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(26px, 4vw, 64px); align-items: center;
}
.cta h2 { color: #fff; font-size: clamp(1.95rem, 3.8vw, 3.15rem); margin-bottom: 16px; }
.cta p { color: var(--mist); }
.cta-side { display: grid; gap: 1px; background: rgba(255,255,255,.13); border: 1px solid rgba(255,255,255,.13); }
.cta-side a {
  background: var(--carbon); padding: 22px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  transition: background .3s var(--ease);
}
.cta-side a:hover { background: var(--graphite-2); }
.cta-side b {
  display: block; font: 500 .655rem/1 var(--f-mono); letter-spacing: .15em;
  text-transform: uppercase; color: var(--signal-hot); margin-bottom: 9px; font-weight: 500;
}
.cta-side span { font-family: var(--f-display); font-weight: 600; font-size: 1.06rem; color: #fff; letter-spacing: -.012em; }

/* ---------- 22. Contact ---------- */
.contact-grid {
  display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  gap: clamp(30px, 4.5vw, 68px); align-items: start;
}
.form-shell { background: var(--paper); border: 1px solid var(--rule); padding: clamp(24px, 3vw, 42px); }
.on-paper2 .form-shell { background: var(--paper); }

.field { margin-bottom: 20px; }
.field label {
  display: block; margin-bottom: 8px;
  font: 500 .68rem/1 var(--f-mono); letter-spacing: .13em; text-transform: uppercase;
  color: var(--ink-2);
}
.field label .req { color: var(--signal); }
.field input, .field select, .field textarea {
  width: 100%; padding: 14px 15px;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: var(--r);
  font-family: var(--f-body); font-size: .95rem; color: var(--ink);
  transition: border-color .24s var(--ease), background .24s var(--ease), box-shadow .24s var(--ease);
}
.field textarea { min-height: 132px; resize: vertical; }
.field select { appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' stroke='%23616A75' stroke-width='1.6' fill='none' stroke-linecap='square'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 15px center; padding-right: 40px;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--signal); background: #fff;
  box-shadow: 0 0 0 3px var(--signal-soft);
}
.field input:user-invalid, .field textarea:user-invalid, .field select:user-invalid {
  border-color: #B4341E;
}
.field__err {
  display: none; margin-top: 7px;
  font: 400 .78rem/1.4 var(--f-body); color: #A32A15;
}
.field.has-err .field__err { display: block; }
.field.has-err input, .field.has-err select, .field.has-err textarea { border-color: #B4341E; }
.field__hint { margin-top: 7px; font: 400 .78rem/1.5 var(--f-body); color: var(--ink-3); }

.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0 20px; }

.form-note {
  margin-top: 18px; font: 400 .8rem/1.6 var(--f-body); color: var(--ink-3);
}
.form-status {
  margin-top: 18px; padding: 15px 18px;
  border-left: 2px solid var(--signal); background: var(--signal-soft);
  font-size: .9rem; color: var(--ink-2);
  display: none;
}
.form-status.is-on { display: block; }

.contact-cards { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.ccard {
  background: var(--paper); padding: clamp(20px, 2.4vw, 28px);
  display: flex; gap: 16px; align-items: flex-start;
  transition: background .3s var(--ease);
}
a.ccard:hover { background: var(--paper-2); }
.ccard__ic {
  flex: none; width: 42px; height: 42px; display: grid; place-items: center;
  background: var(--carbon); color: var(--signal-hot); border-radius: var(--r);
}
.ccard__ic svg { width: 19px; height: 19px; }
.ccard b {
  display: block; font: 500 .655rem/1 var(--f-mono); letter-spacing: .15em;
  text-transform: uppercase; color: var(--ink-3); margin-bottom: 9px; font-weight: 500;
}
.ccard span { font-family: var(--f-display); font-weight: 600; font-size: 1.04rem; letter-spacing: -.012em; word-break: break-word; }
.ccard p { font-size: .88rem; color: var(--ink-2); margin: 6px 0 0; }

/* ---------- 23. Footer ---------- */
.site-foot { background: var(--carbon); color: var(--on-dark-2); }
.foot-top { padding-block: clamp(46px, 5.5vw, 80px); }
.foot-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: clamp(28px, 3.4vw, 52px);
}
.foot-brand .brand { padding-block: 0; margin-bottom: 20px; }
.foot-brand p { font-size: .915rem; color: var(--on-dark-2); max-width: 40ch; }
.foot-col h4 {
  color: var(--on-dark);
  font: 500 .655rem/1 var(--f-mono); letter-spacing: .16em; text-transform: uppercase;
  margin-bottom: 20px; font-family: var(--f-mono); font-weight: 500;
}
.foot-col ul { list-style: none; margin: 0; padding: 0; }
.foot-col li { margin-bottom: 11px; }
.foot-col a {
  font-size: .9rem; color: var(--on-dark-2);
  transition: color .22s var(--ease), padding-left .28s var(--ease);
  display: inline-block;
}
.foot-col a:hover { color: var(--signal-hot); padding-left: 5px; }
.foot-person {
  font-family: var(--f-display); font-weight: 600; font-size: 1rem;
  letter-spacing: -.012em; color: var(--on-dark);
  margin: -6px 0 14px;
}
.foot-contact a { display: flex; align-items: center; gap: 10px; }
.foot-contact svg { width: 15px; height: 15px; flex: none; color: var(--steel-mid); }
.foot-contact a:hover svg { color: var(--signal-hot); }

.social { display: flex; gap: 10px; margin-top: 24px; flex-wrap: wrap; }
.social a {
  width: 40px; height: 40px; display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.18); border-radius: var(--r);
  color: var(--on-dark-2);
  transition: background .26s var(--ease), color .26s var(--ease), border-color .26s var(--ease), transform .26s var(--ease);
}
.social a svg { width: 17px; height: 17px; }
.social a:hover {
  background: var(--signal); border-color: var(--signal); color: #fff;
  transform: translateY(-2px);
}

.foot-bar {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-block: 24px;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 14px;
  font: 400 .8rem/1.6 var(--f-body); color: var(--steel-soft);
}
.foot-bar a { color: var(--on-dark-2); transition: color .22s var(--ease); }
.foot-bar a:hover { color: var(--signal-hot); }
.foot-bar__credit strong { color: var(--on-dark); font-weight: 600; }

/* ---------- 24. Reveal animation (JS-gated, safe fallback) ---------- */
html.js-on [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  will-change: opacity, transform;
}
html.js-on [data-reveal].is-in { opacity: 1; transform: none; }
html.js-on [data-reveal][data-d="1"] { transition-delay: .08s; }
html.js-on [data-reveal][data-d="2"] { transition-delay: .16s; }
html.js-on [data-reveal][data-d="3"] { transition-delay: .24s; }
html.js-on [data-reveal][data-d="4"] { transition-delay: .32s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js-on [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 25. Responsive ---------- */
/* Header: progressive compaction, then drawer */
@media (max-width: 1599px) {
  .head-tel { display: none; }
  .brand__n2 { display: none; }
  .brand__n1 { font-size: .96rem; }
  .nav a { padding: 10px 8px; font-size: .705rem; letter-spacing: .04em; }
  .nav a::after { left: 8px; right: 8px; }
  .head-cta .btn { padding: 12px 16px; font-size: .69rem; }
}
@media (max-width: 1240px) {
  .head-cta .btn { display: none; }
  .nav a { padding: 10px 9px; }
}

@media (max-width: 1080px) {
  :root { --shell: 100%; }
  .nav, .head-cta .btn { display: none; }
  .burger { display: flex; }
  .brand__n2 { display: block; }
  .brand__n1 { font-size: 1.02rem; }
  .head-cta { gap: 8px; }

  .hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero-plate { max-width: 620px; }
  .hero-bar { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .hero-bar div { padding-right: 18px; }
  .hero-bar div:nth-child(2) { border-right: 0; }
  .hero-bar div:nth-child(1), .hero-bar div:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,.09); }

  .phero-grid { grid-template-columns: 1fr; gap: 26px; align-items: start; }
  .edit-offset, .arch, .cta-grid, .contact-grid, .prod, .article-grid {
    grid-template-columns: 1fr;
  }
  .edit-offset--flip .edit-offset__media, .prod--flip .prod__media { order: 0; }
  .article-aside { position: static; }
  .shead-split { grid-template-columns: 1fr; align-items: start; }

  .matrix { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mcell, .mcell--wide, .mcell--feature { grid-column: span 1; }
  .mcell--feature { grid-column: span 2; grid-row: span 1; }
  .mcell--feature .fig { min-height: 320px; }

  .slab { grid-template-columns: 1fr; }
  .slab:nth-child(even) .slab__media { order: 0; }
  .slab__media::before { padding-top: 60%; }

  .principle { grid-template-columns: 56px minmax(0, 1fr); gap: 12px 20px; }
  .principle p { grid-column: 2; }

  .art { grid-template-columns: 48px minmax(0, 1fr); gap: 10px 18px; }
  .art p { grid-column: 2; }
  .art__go { grid-column: 2; justify-self: start; }

  .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 34px; }
  .foot-brand { grid-column: 1 / -1; }

  .spec-row, .spec-head { grid-template-columns: 1fr; gap: 8px; }
  .spec-head { display: none; }
  .spec-row__d { margin-top: 2px; }
}

@media (max-width: 720px) {
  h1 { font-size: clamp(2.05rem, 8.4vw, 2.9rem); }
  h2 { font-size: clamp(1.62rem, 6.6vw, 2.1rem); }

  .hero-bar { grid-template-columns: 1fr; }
  .hero-bar div { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.09); padding: 18px 0 20px; }
  .hero-bar div:last-child { border-bottom: 0; }
  .hero-spec { display: none; }

  .matrix { grid-template-columns: 1fr; }
  .mcell--feature { grid-column: span 1; }
  .mcell { min-height: 0; }

  .flow-step { border-right: 0; border-bottom: 1px solid var(--rule); padding-right: 0; }
  .flow-step:last-child { border-bottom: 0; }
  .on-dark .flow-step, .on-graphite .flow-step { border-bottom-color: var(--rule-dark); }

  .chip {
    left: 0; right: 0; bottom: 0; top: auto;
    max-width: none; border-left-width: 3px;
    padding: 12px 15px;
    background: rgba(14,17,20,.95);
  }
  .chip--tl { top: auto; }

  .btn { width: 100%; justify-content: center; }
  .btn-row .btn { flex: 1 1 100%; }
  .art__go .btn, .insight .btn { width: auto; }

  .foot-grid { grid-template-columns: 1fr; }
  .foot-bar { flex-direction: column; align-items: flex-start; text-align: left; }

  .arch-btn { grid-template-columns: 38px minmax(0,1fr) 18px; gap: 10px; }
  .prod__meta li { grid-template-columns: 1fr; gap: 5px; }
  .ccard { flex-direction: column; gap: 12px; }
}

@media (max-width: 400px) {
  :root { --gut: 18px; }
  .brand__n1 { font-size: .92rem; }
  .social a { width: 38px; height: 38px; }
}

/* Print */
@media print {
  .site-head, .mnav, .cta, .btn, .social { display: none !important; }
  body { background: #fff; color: #000; }
  .on-dark, .on-graphite, .hero, .phero { background: #fff !important; color: #000 !important; }
}

/* ==========================================================================
   26. Page-specific compositions
   ========================================================================== */

/* ---- Big figure with overlapping panel (About) ---- */
.bigfig { position: relative; }
.bigfig .fig { width: 100%; }
.bigfig__panel {
  position: relative;
  margin: -78px 0 0 0;
  width: min(560px, 92%);
  background: var(--carbon);
  color: var(--on-dark);
  padding: clamp(26px, 3.2vw, 44px);
  border-left: 3px solid var(--signal);
}
.bigfig__panel h2 { color: #fff; font-size: clamp(1.5rem, 2.6vw, 2.2rem); }
.bigfig__panel p { color: var(--on-dark-2); margin-bottom: 0; }
.bigfig__panel .eyebrow { color: var(--signal-hot); }

/* ---- Manifesto (About) ---- */
.manifesto { margin-bottom: clamp(38px, 5vw, 68px); }
.manifesto__stmt {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 5.2vw, 4rem);
  line-height: 1.07;
  letter-spacing: -.033em;
  color: #fff;
  max-width: 20ch;
  margin: 0;
  text-wrap: balance;
}
.manifesto__stmt em { font-style: normal; color: var(--signal-hot); display: block; }
.manifesto-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(258px, 1fr));
  gap: clamp(24px, 3vw, 48px);
  border-top: 1px solid var(--rule-dark);
  padding-top: clamp(28px, 3.4vw, 44px);
}
.manifesto-cols h3 { color: #fff; font-size: clamp(1.06rem, 1.3vw, 1.22rem); }
.manifesto-cols p { color: var(--on-dark-2); font-size: .93rem; margin-bottom: 0; }

/* ---- Tall split (portrait media beside copy) ---- */
.split-tall {
  display: grid;
  grid-template-columns: minmax(0, .68fr) minmax(0, 1fr);
  gap: clamp(28px, 4.4vw, 68px);
  align-items: start;
}
.split-tall--flip { grid-template-columns: minmax(0, 1fr) minmax(0, .68fr); }
.split-tall__media { position: sticky; top: 104px; }

/* ---- Figure duo ---- */
.duo {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(20px, 2.8vw, 40px);
}
.duo__item { margin: 0; }
.duo__item figcaption { padding-top: 18px; }
.duo__item figcaption b {
  display: block;
  font-family: var(--f-display); font-weight: 600; font-size: 1.06rem;
  letter-spacing: -.012em; margin-bottom: 8px; color: var(--ink);
}
.duo__item figcaption span { font-size: .915rem; color: var(--ink-2); line-height: 1.62; display: block; }
.on-dark .duo__item figcaption b, .on-graphite .duo__item figcaption b { color: #fff; }
.on-dark .duo__item figcaption span, .on-graphite .duo__item figcaption span { color: var(--on-dark-2); }
.on-graphite .duo__item h2 { color: #fff; }
.on-graphite .duo__item p { color: var(--on-dark-2); }

/* ---- Ladder (OEM) ---- */
.ladder {
  display: grid;
  grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
  gap: clamp(28px, 4.4vw, 72px);
  align-items: start;
}
.ladder__side { position: sticky; top: 104px; }
.ladder__side h2 { font-size: clamp(1.6rem, 2.6vw, 2.3rem); }
.ladder__list {
  list-style: none; margin: 0; padding: 0;
  counter-reset: lad; border-top: 1px solid var(--rule);
}
.ladder__list > li {
  counter-increment: lad;
  position: relative;
  margin: 0;
  padding: clamp(24px, 2.8vw, 36px) 0 clamp(24px, 2.8vw, 36px) clamp(52px, 5vw, 76px);
  border-bottom: 1px solid var(--rule);
}
.ladder__list > li::before {
  content: counter(lad, decimal-leading-zero);
  position: absolute; left: 0; top: clamp(26px, 3vw, 39px);
  font: 500 .78rem/1 var(--f-mono); letter-spacing: .1em; color: var(--signal);
}
.ladder__list h3 { margin-bottom: 10px; }
.ladder__list p { margin-bottom: 0; color: var(--ink-2); font-size: .95rem; }

/* ---- Check list ---- */
.checks { list-style: none; margin: 26px 0 0; padding: 0; border-top: 1px solid var(--rule); }
.checks li {
  margin: 0; padding: 16px 0 16px 30px; position: relative;
  border-bottom: 1px solid var(--rule);
  display: grid; gap: 4px;
}
.checks li::before {
  content: ""; position: absolute; left: 0; top: 24px;
  width: 14px; height: 2px; background: var(--signal);
}
.checks b {
  font-family: var(--f-display); font-weight: 600; font-size: 1rem;
  letter-spacing: -.01em; color: var(--ink);
}
.checks span { font-size: .915rem; color: var(--ink-2); line-height: 1.6; }
.checks--tight li { padding-block: 13px; }
.on-dark .checks, .on-dark .checks li,
.on-graphite .checks, .on-graphite .checks li { border-color: var(--rule-dark); }
.on-dark .checks b, .on-graphite .checks b { color: #fff; }
.on-dark .checks span, .on-graphite .checks span { color: var(--on-dark-2); }

/* ---- Pair-tall (OEM: portrait, copy, portrait) ---- */
.pairtall {
  display: grid;
  grid-template-columns: minmax(0, .62fr) minmax(0, 1.3fr) minmax(0, .62fr);
  gap: clamp(24px, 3.2vw, 48px);
  align-items: start;
}
.pairtall__fig { margin: 0; }
.pairtall__fig figcaption { padding-top: 15px; }
.pairtall__fig figcaption b {
  display: block; font: 500 .69rem/1.4 var(--f-mono);
  letter-spacing: .12em; text-transform: uppercase; color: var(--signal); margin-bottom: 6px;
}
.pairtall__fig figcaption span { font-size: .875rem; color: var(--ink-3); line-height: 1.55; }
.pairtall__body { padding-top: 4px; }

/* ---- Workflow steps (OEM) ---- */
.wsteps { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule-dark); }
.wstep {
  margin: 0;
  display: grid;
  grid-template-columns: clamp(64px, 8vw, 118px) minmax(0, 1fr) 108px;
  gap: clamp(16px, 2.6vw, 40px);
  align-items: center;
  padding: clamp(24px, 2.8vw, 36px) 0;
  border-bottom: 1px solid var(--rule-dark);
  transition: background .34s var(--ease), padding-left .34s var(--ease);
}
.wstep:hover { background: rgba(255,255,255,.03); padding-left: 12px; }
.wstep__no {
  font-family: var(--f-display); font-weight: 800;
  font-size: clamp(1.9rem, 4.2vw, 3.2rem); line-height: 1;
  letter-spacing: -.04em;
  color: transparent;
  -webkit-text-stroke: 1px var(--steel-mid);
  transition: -webkit-text-stroke-color .34s var(--ease), color .34s var(--ease);
}
.wstep:hover .wstep__no { -webkit-text-stroke-color: var(--signal-hot); }
.wstep__body h3 { color: #fff; margin-bottom: 8px; }
.wstep__body p { color: var(--on-dark-2); font-size: .93rem; margin-bottom: 0; }
.wstep__tag {
  justify-self: end; text-align: right;
  font: 500 .655rem/1 var(--f-mono); letter-spacing: .15em; text-transform: uppercase;
  color: var(--steel-mid); transition: color .3s var(--ease);
}
.wstep:hover .wstep__tag { color: var(--signal-hot); }

/* ---- Product index (Products) ---- */
.pindex {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(268px, 1fr));
  gap: 1px; background: var(--rule-dark); border: 1px solid var(--rule-dark);
}
.pindex li { margin: 0; }
.pindex a {
  background: var(--graphite);
  display: grid; grid-template-columns: 42px minmax(0,1fr) 20px; align-items: center;
  gap: 10px; padding: 20px 18px; height: 100%;
  transition: background .3s var(--ease), padding-left .3s var(--ease);
}
.pindex a:hover { background: var(--graphite-2); padding-left: 26px; }
.pindex span { font: 500 .72rem/1 var(--f-mono); letter-spacing: .1em; color: var(--signal-hot); }
.pindex b {
  font-family: var(--f-display); font-weight: 600; font-size: .985rem;
  letter-spacing: -.012em; color: var(--on-dark);
}
.pindex i { font-style: normal; color: var(--steel-mid); justify-self: end; transition: color .3s var(--ease); }
.pindex a:hover i { color: var(--signal-hot); }

/* ---- Big module (Products) ---- */
.bigmod {
  position: relative; overflow: hidden;
  margin-block: clamp(38px, 4.4vw, 66px);
  background: var(--carbon);
  min-height: clamp(360px, 46vw, 560px);
  display: grid;
}
.bigmod > img {
  grid-area: 1 / 1; width: 100%; height: 100%; object-fit: cover;
}
.bigmod__panel {
  grid-area: 1 / 1; position: relative; z-index: 2;
  display: flex; align-items: flex-end;
  padding-block: clamp(32px, 4vw, 60px);
  background: linear-gradient(to right, rgba(14,17,20,.96) 0%, rgba(14,17,20,.86) 45%, rgba(14,17,20,.25) 100%);
}
.bigmod__panel h3 { color: #fff; font-size: clamp(1.4rem, 2.4vw, 2.05rem); max-width: 18ch; }
.bigmod__panel p { color: var(--mist); max-width: 56ch; }
.bigmod__panel .btn-row { margin-top: 26px; }

/* ---- Component rows (Components) ---- */
.cmps { border-top: 1px solid var(--rule); }
.cmp {
  display: grid;
  grid-template-columns: minmax(0, .48fr) minmax(0, 1fr) minmax(0, .72fr);
  gap: clamp(20px, 3vw, 46px);
  padding: clamp(28px, 3.2vw, 46px) 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}
.cmp__no {
  display: block; font: 500 .68rem/1 var(--f-mono);
  letter-spacing: .15em; text-transform: uppercase; color: var(--signal); margin-bottom: 13px;
}
.cmp__main h3 { font-size: clamp(1.2rem, 1.75vw, 1.55rem); margin-bottom: 13px; }
.cmp__main p { font-size: .945rem; color: var(--ink-2); }
.cmp__spec { margin: 0; display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.cmp__spec > div { background: var(--paper); padding: 14px 16px; }
.cmp__spec dt {
  font: 500 .645rem/1 var(--f-mono); letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 7px;
}
.cmp__spec dd { margin: 0; font-size: .885rem; color: var(--ink); line-height: 1.5; }

/* ---- Legend (Components) ---- */
.legend {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(232px, 1fr));
  gap: 1px; background: var(--rule-dark); border: 1px solid var(--rule-dark);
}
.legend li {
  margin: 0; background: var(--carbon); padding: clamp(22px, 2.4vw, 30px);
  display: grid; gap: 16px; align-content: start;
  transition: background .3s var(--ease);
}
.legend li:hover { background: var(--graphite); }
.legend__no {
  font: 500 .7rem/1 var(--f-mono); letter-spacing: .12em;
  color: var(--signal-hot);
  border: 1px solid currentColor; padding: 6px 8px 5px; justify-self: start;
}
.legend h3 { color: #fff; font-size: 1.08rem; margin-bottom: 9px; }
.legend p { color: var(--on-dark-2); font-size: .89rem; margin-bottom: 0; }

/* ---- Note grid ---- */
.notegrid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(288px, 1fr));
  gap: 1px; background: var(--rule); border: 1px solid var(--rule);
}
.notegrid__item {
  background: var(--paper); padding: clamp(24px, 2.8vw, 36px);
  transition: background .3s var(--ease);
}
.notegrid__item:hover { background: var(--paper-2); }
.notegrid__no {
  display: inline-block;
  font: 500 .7rem/1 var(--f-mono); letter-spacing: .1em; color: var(--signal);
  border-bottom: 2px solid currentColor; padding-bottom: 6px; margin-bottom: 20px;
}
.notegrid h3 { font-size: clamp(1.06rem, 1.3vw, 1.22rem); }
.notegrid p { font-size: .915rem; color: var(--ink-2); margin-bottom: 0; }
.on-paper2 .notegrid__item { background: var(--paper-2); }
.on-paper2 .notegrid__item:hover { background: var(--paper); }
.on-dark .notegrid, .on-graphite .notegrid { background: var(--rule-dark); border-color: var(--rule-dark); }
.on-dark .notegrid__item, .on-graphite .notegrid__item { background: var(--graphite); }
.on-dark .notegrid__item:hover, .on-graphite .notegrid__item:hover { background: var(--graphite-2); }
.on-dark .notegrid h3, .on-graphite .notegrid h3 { color: #fff; }
.on-dark .notegrid p, .on-graphite .notegrid p { color: var(--on-dark-2); }
.on-dark .notegrid__no, .on-graphite .notegrid__no { color: var(--signal-hot); }

/* ---- Application cases (Applications) ---- */
.appcases {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1px; background: var(--rule-dark); border: 1px solid var(--rule-dark);
}
.appcase { background: var(--carbon); display: flex; flex-direction: column; }
.appcase .fig { background: var(--graphite); }
.appcase__badge {
  position: absolute; top: 0; left: 0; z-index: 3;
  background: var(--signal); color: #fff;
  padding: 9px 13px;
  font: 500 .68rem/1 var(--f-mono); letter-spacing: .12em;
}
.appcase__body {
  padding: clamp(24px, 2.6vw, 34px);
  display: flex; flex-direction: column; flex: 1 1 auto;
}
.appcase h3 { color: #fff; font-size: clamp(1.14rem, 1.5vw, 1.36rem); }
.appcase p { color: var(--on-dark-2); font-size: .915rem; }
.appcase__rows {
  margin: 20px 0 0; display: grid; gap: 1px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.1);
}
.appcase__rows > div { background: var(--carbon); padding: 13px 15px; }
.appcase__rows dt {
  font: 500 .63rem/1 var(--f-mono); letter-spacing: .14em; text-transform: uppercase;
  color: var(--steel-soft); margin-bottom: 7px;
}
.appcase__rows dd { margin: 0; font-size: .875rem; color: var(--on-dark); line-height: 1.5; }
.appcase .slab__tags { margin-top: auto; padding-top: 20px; }

/* ---- Claims (Quality) ---- */
.claims {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1px; background: var(--rule); border: 1px solid var(--rule);
}
.claims__panel { padding: clamp(26px, 3vw, 40px); background: var(--paper); }
.claims__panel--yes { background: var(--carbon); }
.claims__panel--no  { background: var(--paper-2); }
.claims__k {
  display: block;
  font: 500 .69rem/1.5 var(--f-mono); letter-spacing: .15em; text-transform: uppercase;
  margin-bottom: 22px; padding-bottom: 16px; border-bottom: 1px solid var(--rule);
}
.claims__panel--yes .claims__k { color: var(--signal-hot); border-bottom-color: rgba(255,255,255,.16); }
.claims__panel--no  .claims__k { color: var(--ink-3); }
.claims ul { list-style: none; margin: 0; padding: 0; }
.claims li {
  position: relative; padding-left: 28px; margin-bottom: 14px;
  font-size: .93rem; line-height: 1.6;
}
.claims li:last-child { margin-bottom: 0; }
.claims__panel--yes li { color: var(--mist); }
.claims__panel--yes li::before {
  content: ""; position: absolute; left: 0; top: .52em;
  width: 13px; height: 7px; border-left: 2px solid var(--signal-hot); border-bottom: 2px solid var(--signal-hot);
  transform: rotate(-45deg);
}
.claims__panel--no li { color: var(--ink-2); }
.claims__panel--no li::before {
  content: ""; position: absolute; left: 1px; top: .62em;
  width: 13px; height: 2px; background: var(--steel-mid);
}

/* ---- Stage grid (Quality) ---- */
.stagegrid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(292px, 1fr));
  gap: 1px; background: var(--rule-dark); border: 1px solid var(--rule-dark);
}
.stagepanel {
  background: var(--carbon); padding: clamp(26px, 3vw, 38px);
  display: flex; flex-direction: column;
  transition: background .32s var(--ease);
}
.stagepanel:hover { background: var(--graphite); }
.stagepanel__no {
  font-family: var(--f-display); font-weight: 800;
  font-size: clamp(2.1rem, 3.4vw, 3rem); line-height: 1; letter-spacing: -.045em;
  color: transparent; -webkit-text-stroke: 1px var(--steel-mid);
  margin-bottom: 22px;
  transition: -webkit-text-stroke-color .32s var(--ease);
}
.stagepanel:hover .stagepanel__no { -webkit-text-stroke-color: var(--signal-hot); }
.stagepanel h3 { color: #fff; font-size: clamp(1.06rem, 1.3vw, 1.24rem); }
.stagepanel p { color: var(--on-dark-2); font-size: .915rem; }
.stagepanel__out {
  margin-top: auto; padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.1);
  font: 500 .655rem/1.5 var(--f-mono); letter-spacing: .1em; text-transform: uppercase;
  color: var(--steel-soft);
}

/* ---- Statement with inset (Why Us) ---- */
.stmt-inset {
  display: grid; grid-template-columns: minmax(0, 1.24fr) minmax(0, .76fr);
  gap: clamp(28px, 4.2vw, 66px); align-items: center;
}
.stmt-inset h2 {
  font-size: clamp(1.8rem, 3.6vw, 3.05rem); letter-spacing: -.03em; max-width: 17ch;
}
.stmt-inset h2 em { font-style: normal; color: var(--signal); display: block; }

/* ---- Contrast rows (Why Us) ---- */
.vslist { border-top: 1px solid var(--rule-dark); }
.vsrow {
  display: grid;
  grid-template-columns: clamp(88px, 10vw, 148px) minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(16px, 2.8vw, 44px);
  padding: clamp(24px, 2.8vw, 36px) 0;
  border-bottom: 1px solid var(--rule-dark);
  align-items: start;
}
.vsrow__k {
  font: 500 .69rem/1.5 var(--f-mono); letter-spacing: .14em; text-transform: uppercase;
  color: var(--signal-hot); padding-top: 3px;
}
.vsrow b {
  display: block; font: 500 .645rem/1 var(--f-mono);
  letter-spacing: .14em; text-transform: uppercase; margin-bottom: 11px; font-weight: 500;
}
.vsrow__a b { color: var(--steel-mid); }
.vsrow__b b { color: var(--signal-hot); }
.vsrow p { margin: 0; font-size: .93rem; line-height: 1.62; }
.vsrow__a p { color: var(--steel-soft); }
.vsrow__b p { color: var(--on-dark); }
.vsrow__b { border-left: 1px solid var(--rule-dark); padding-left: clamp(16px, 2.4vw, 40px); }

/* ==========================================================================
   27. Responsive for page-specific compositions
   ========================================================================== */
@media (max-width: 1080px) {
  .ladder, .split-tall, .split-tall--flip, .stmt-inset { grid-template-columns: 1fr; }
  .ladder__side, .split-tall__media { position: static; }
  .split-tall__media .fig, .pairtall__fig .fig { max-width: 460px; }
  .split-tall--flip .split-tall__media { order: -1; }

  .pairtall { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pairtall__body { grid-column: 1 / -1; order: -1; }

  .cmp { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); }
  .cmp__spec { grid-column: 1 / -1; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

  .wstep { grid-template-columns: clamp(56px, 9vw, 84px) minmax(0, 1fr); }
  .wstep__tag { grid-column: 2; justify-self: start; text-align: left; margin-top: 4px; }

  .vsrow { grid-template-columns: 1fr; gap: 16px; }
  .vsrow__b { border-left: 0; padding-left: 0; border-top: 1px solid var(--rule-dark); padding-top: 16px; }

  .bigfig__panel { margin-top: -46px; width: min(560px, 96%); }
  .bigmod__panel {
    background: linear-gradient(to top, rgba(14,17,20,.97) 42%, rgba(14,17,20,.62) 78%, rgba(14,17,20,.3));
  }
}

@media (max-width: 720px) {
  .pairtall { grid-template-columns: 1fr; }
  .cmp { grid-template-columns: 1fr; gap: 20px; }
  .split-tall__media .fig, .pairtall__fig .fig { max-width: none; }
  .bigfig__panel { margin-top: 0; width: 100%; }
  .manifesto__stmt { max-width: none; }
  .claims__k { margin-bottom: 18px; }
  .bigmod { min-height: 0; }
  .bigmod > img { min-height: 240px; }
  .bigmod__panel { padding-top: 180px; }
  .wstep__no { font-size: 1.7rem; }
}

/* ==========================================================================
   28. Grid hairlines
   Auto-fitting grids can end a row part-way, and the "1px gap over a coloured
   container" trick paints those unused cells as solid blocks. Drawing the rule
   as an outline on each item instead means empty cells stay empty: neighbouring
   outlines meet exactly inside the 1px gap and still read as a single hairline.
   ========================================================================== */
.insights,
.stat-strip,
.cmp__spec,
.notegrid,
.legend,
.stagegrid,
.appcases,
.pindex {
  background: transparent;
  border: 0;
  gap: 1px;
}

.insights > *,
.stat-strip > div,
.cmp__spec > div,
.notegrid__item,
.legend > li,
.stagepanel,
.appcase,
.pindex > li {
  outline: 1px solid var(--rule);
}

/* Dark surfaces use the light hairline */
.legend > li,
.stagepanel,
.appcase,
.pindex > li,
.on-dark .notegrid__item,
.on-graphite .notegrid__item,
.on-dark .insights > *,
.on-graphite .insights > * {
  outline-color: var(--rule-dark);
}

/* The container background overrides further up must not come back */
.on-dark .notegrid,
.on-graphite .notegrid {
  background: transparent;
  border: 0;
}

/* Panels sit above their own outline so hover states stay clean */
.insight, .notegrid__item, .stagepanel, .appcase, .legend > li { position: relative; }

/* Six stages divide evenly at every width, so no row is ever left part-full */
.stagegrid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 1000px) { .stagegrid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px)  { .stagegrid { grid-template-columns: 1fr; } }