/* ══════════════════════════════════════════════════════════════
   DESIGN-B (PALIMPSEST · REMAPPED)
   All selectors scoped to [data-design="b"]
   Keyframes prefixed  b-
   Token block exposes --design-b-primary on [data-design="b"]
   ═══════════════════════════════════════════════════════════ */

/* ── TOKEN BLOCK ─────────────────────────────────────────── */
[data-design="b"] {
  /* Primary (required by contract) */
  --design-b-primary: #B43E33;

  /* Palette — palimpsest remapped */
  --design-b-bond:      #F2EBDE;
  --design-b-sheet:     #FBF6EC;
  --design-b-ink:       #1A1714;
  --design-b-pencil:    #5C544A;
  --design-b-ghost:     #9B9180;
  --design-b-rule:      #221E18;
  --design-b-blueprint: #1B4F6E;
  --design-b-redline:   #B43E33;
  --design-b-patina:    #6E7A65;

  /* Typography */
  --design-b-font-display: "Iowan Old Style","Charter",Georgia,serif;
  --design-b-font-body:    -apple-system,BlinkMacSystemFont,"Inter",system-ui,sans-serif;
  --design-b-font-mono:    "IBM Plex Mono","JetBrains Mono",ui-monospace,Menlo,monospace;

  /* Spacing (drafting grid, 4px base) */
  --design-b-tick:    8px;
  --design-b-batten: 12px;
  --design-b-stud:   16px;
  --design-b-joist:  24px;
  --design-b-bay:    40px;
  --design-b-span:   64px;
  --design-b-floor:  96px;
  --design-b-storey: 144px;

  /* Motion */
  --design-b-dur-tick:   120ms;
  --design-b-dur-draft:  240ms;
  --design-b-dur-ink:    420ms;
  --design-b-dur-survey: 1200ms;
  --design-b-dur-breath: 5400ms;
  --design-b-dur-redraw: 18000ms;
  --design-b-ease-survey: cubic-bezier(0.22,0.36,0.18,1);
  --design-b-ease-draft:  cubic-bezier(0.5,0,0.1,1);
  --design-b-ease-stamp:  cubic-bezier(0.34,1.32,0.42,1);

  /* Radius */
  --design-b-radius-corner: 2px;

  /* Base reset */
  box-sizing: border-box;
  font-family: var(--design-b-font-body);
  background: var(--design-b-bond);
  color: var(--design-b-ink);
}

[data-design="b"] *, [data-design="b"] *::before, [data-design="b"] *::after {
  box-sizing: inherit;
}

/* ── E1: HEADER ──────────────────────────────────────────── */
[data-design="b"] .b-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--design-b-bond);
  border-bottom: 1px solid var(--design-b-rule);
}
[data-design="b"] .b-header__rules {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
[data-design="b"] .b-header__rule {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1px;
  transform-origin: left center;
  transform: scaleX(0);
  opacity: 0;
}
[data-design="b"] .b-header__rule--blueprint {
  top: 30%;
  background: var(--design-b-blueprint);
  animation: b-rule-blueprint 24s var(--design-b-ease-survey) infinite;
}
[data-design="b"] .b-header__rule--redline {
  bottom: 22%;
  background: var(--design-b-redline);
  animation: b-rule-redline 31s var(--design-b-ease-survey) infinite;
}
@keyframes b-rule-blueprint {
  0%   { transform: scaleX(0); opacity: 0; }
  12%  { transform: scaleX(0); opacity: 0.8; }
  46%  { transform: scaleX(1); opacity: 0.45; }
  72%  { transform: scaleX(1); opacity: 0.1; }
  100% { transform: scaleX(1); opacity: 0; }
}
@keyframes b-rule-redline {
  0%   { transform: scaleX(0); opacity: 0; }
  18%  { transform: scaleX(0); opacity: 0.9; }
  58%  { transform: scaleX(1); opacity: 0.55; }
  84%  { transform: scaleX(1); opacity: 0.1; }
  100% { transform: scaleX(1); opacity: 0; }
}
[data-design="b"] .b-header__bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--design-b-joist) var(--design-b-bay);
}
[data-design="b"] .b-logo {
  text-decoration: none;
}
[data-design="b"] .b-logo__mark {
  font-family: var(--design-b-font-display);
  font-size: clamp(15px,2.2vw,22px);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--design-b-ink);
  line-height: 1.2;
}
[data-design="b"] .b-hamburger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  min-width: 44px;
  min-height: 44px;
  background: transparent;
  border: 1px solid var(--design-b-rule);
  border-radius: var(--design-b-radius-corner);
  cursor: pointer;
  padding: 0 10px;
  transition: border-color var(--design-b-dur-draft) var(--design-b-ease-draft);
}
[data-design="b"] .b-hamburger:hover { border-color: var(--design-b-redline); }
[data-design="b"] .b-hamburger:focus-visible {
  outline: 2px solid var(--design-b-blueprint);
  outline-offset: 2px;
}
[data-design="b"] .b-hamburger__bar {
  display: block;
  height: 1px;
  background: var(--design-b-ink);
  transition: transform var(--design-b-dur-ink) var(--design-b-ease-draft),
              opacity var(--design-b-dur-ink);
}
[data-design="b"] .b-hamburger[aria-expanded="true"] .b-hamburger__bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
[data-design="b"] .b-hamburger[aria-expanded="true"] .b-hamburger__bar:nth-child(2) { opacity: 0; }
[data-design="b"] .b-hamburger[aria-expanded="true"] .b-hamburger__bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Drawer */
[data-design="b"] .b-drawer {
  position: fixed;
  inset: 0;
  background: color-mix(in oklab, var(--design-b-bond), transparent 6%);
  backdrop-filter: blur(2px);
  z-index: 49;
  display: grid;
  place-items: start center;
  padding: 72px var(--design-b-bay) var(--design-b-bay);
}
[data-design="b"] .b-drawer[hidden] { display: none; }
[data-design="b"] .b-drawer__sheet {
  background: var(--design-b-sheet);
  border: 1px solid var(--design-b-rule);
  padding: var(--design-b-bay);
  width: min(560px, 100%);
  animation: b-drawer-in var(--design-b-dur-ink) var(--design-b-ease-survey);
  position: relative;
}
@keyframes b-drawer-in {
  from { transform: translateY(-12px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}
[data-design="b"] .b-drawer__close {
  position: absolute;
  top: var(--design-b-tick);
  right: var(--design-b-tick);
  background: transparent;
  border: none;
  font-size: 18px;
  color: var(--design-b-pencil);
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
[data-design="b"] .b-drawer__title-block {
  display: flex;
  justify-content: space-between;
  font-family: var(--design-b-font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--design-b-pencil);
  border-bottom: 1px solid var(--design-b-rule);
  padding-bottom: var(--design-b-tick);
  margin: 0 0 var(--design-b-joist);
}
[data-design="b"] .b-drawer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}
[data-design="b"] .b-drawer__list a {
  display: block;
  font-family: var(--design-b-font-display);
  font-size: clamp(22px,4vw,28px);
  color: var(--design-b-ink);
  text-decoration: none;
  padding: var(--design-b-tick) 0;
  border-bottom: 1px solid color-mix(in oklab, var(--design-b-rule), transparent 60%);
  transition: color var(--design-b-dur-draft) var(--design-b-ease-draft),
              padding-left var(--design-b-dur-draft);
}
[data-design="b"] .b-drawer__list a:hover {
  color: var(--design-b-redline);
  padding-left: var(--design-b-tick);
}
[data-design="b"] .b-drawer__actions {
  display: flex;
  flex-direction: column;
  gap: var(--design-b-tick);
  margin-top: var(--design-b-joist);
}
[data-design="b"] .b-drawer__phone {
  display: block;
  font-family: var(--design-b-font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--design-b-pencil);
  text-decoration: none;
  padding: var(--design-b-tick) 0;
  min-height: 44px;
  line-height: 44px;
}
[data-design="b"] .b-drawer__phone:hover { color: var(--design-b-ink); }
[data-design="b"] .b-drawer__cta {
  display: inline-block;
  font-family: var(--design-b-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--design-b-ink);
  background: var(--design-b-bond);
  border: 2px solid var(--design-b-redline);
  padding: 12px 20px;
  text-decoration: none;
  min-height: 44px;
  transition: background var(--design-b-dur-draft), transform var(--design-b-dur-tick) var(--design-b-ease-stamp);
}
[data-design="b"] .b-drawer__cta:hover { background: var(--design-b-sheet); transform: translateY(-1px); }

/* ── HERO ─────────────────────────────────────────────────── */
[data-design="b"] .b-hero {
  position: relative;
  min-height: clamp(480px, 72vh, 780px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--design-b-bond);
  border-bottom: 1px solid var(--design-b-rule);
}

/* E3: Animated substrate — ONE layer, perceptibly ambient */
[data-design="b"] .b-hero__substrate {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

/* Background grid — very faint, drawn over on a slow cycle */
[data-design="b"] .b-hero__grid-field {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent 0 27px, color-mix(in oklab, var(--design-b-blueprint), transparent 88%) 27px 28px),
    repeating-linear-gradient(90deg, transparent 0 27px, color-mix(in oklab, var(--design-b-blueprint), transparent 88%) 27px 28px);
  opacity: 0;
  animation: b-hero-grid-breathe 8s ease-in-out infinite;
}
@keyframes b-hero-grid-breathe {
  0%, 100% { opacity: 0.18; }
  50%       { opacity: 0.52; }
}

/* SVG room-redraw — blueprint strokes draw in and slowly drift */
[data-design="b"] .b-hero__redraw {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--design-b-blueprint);
  opacity: 0.55;
}

/* Outer walls */
[data-design="b"] .b-redraw-outer {
  stroke: var(--design-b-blueprint);
  stroke-dasharray: 2100;
  stroke-dashoffset: 2100;
  animation: b-stroke-draw 2s var(--design-b-ease-survey) forwards,
             b-stroke-ambient 12s ease-in-out 2s infinite;
}
@keyframes b-stroke-draw {
  to { stroke-dashoffset: 0; }
}
@keyframes b-stroke-ambient {
  0%, 100% { opacity: 0.9; }
  50%       { opacity: 0.45; }
}

/* Interior walls — staggered draw-in, then slow ambient drift */
[data-design="b"] .b-redraw-wall {
  stroke: var(--design-b-blueprint);
  stroke-dasharray: 400;
  stroke-dashoffset: 400;
}
[data-design="b"] .b-redraw-wall--1 {
  animation: b-stroke-draw 1s var(--design-b-ease-survey) 0.6s forwards,
             b-stroke-ambient 14s ease-in-out 1.6s infinite;
}
[data-design="b"] .b-redraw-wall--2 {
  animation: b-stroke-draw 1s var(--design-b-ease-survey) 0.9s forwards,
             b-stroke-ambient 14s ease-in-out 1.9s infinite;
}
[data-design="b"] .b-redraw-wall--3 {
  animation: b-stroke-draw 1s var(--design-b-ease-survey) 1.1s forwards,
             b-stroke-ambient 14s ease-in-out 2.1s infinite;
}

/* Door arcs */
[data-design="b"] .b-redraw-arc {
  stroke: var(--design-b-blueprint);
  stroke-dasharray: 120;
  stroke-dashoffset: 120;
}
[data-design="b"] .b-redraw-arc--1 { animation: b-stroke-draw 0.7s var(--design-b-ease-survey) 1.3s forwards; }
[data-design="b"] .b-redraw-arc--2 { animation: b-stroke-draw 0.7s var(--design-b-ease-survey) 1.5s forwards; }

/* Dimension lines */
[data-design="b"] .b-redraw-dim {
  stroke: var(--design-b-blueprint);
  stroke-dasharray: 800;
  stroke-dashoffset: 800;
  animation: b-stroke-draw 1.2s var(--design-b-ease-survey) 1.6s forwards;
}
[data-design="b"] .b-redraw-dim-label { opacity: 0; animation: b-fade-in 0.8s ease 2.4s forwards; }
@keyframes b-fade-in { to { opacity: 0.7; } }

/* New layout lines — blueprint accent, slower emergence */
[data-design="b"] .b-redraw-new {
  stroke: var(--design-b-redline);
  stroke-dasharray: 350;
  stroke-dashoffset: 350;
  opacity: 0.7;
}
[data-design="b"] .b-redraw-new--1 { animation: b-stroke-draw 1s var(--design-b-ease-survey) 2s forwards; }
[data-design="b"] .b-redraw-new--2 { animation: b-stroke-draw 1s var(--design-b-ease-survey) 2.3s forwards; }
[data-design="b"] .b-redraw-new--3 { animation: b-stroke-draw 1s var(--design-b-ease-survey) 2.6s forwards; }
[data-design="b"] .b-redraw-new--4 { animation: b-stroke-draw 1s var(--design-b-ease-survey) 2.9s forwards; }

/* Hero content — z-index above substrate */
[data-design="b"] .b-hero__content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding: var(--design-b-floor) clamp(var(--design-b-joist), 5vw, var(--design-b-bay));
  margin: 0 auto 0 clamp(var(--design-b-joist), 6vw, 120px);
}
[data-design="b"] .b-hero__kicker {
  font-family: var(--design-b-font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--design-b-blueprint);
  margin: 0 0 var(--design-b-tick);
  opacity: 1;
}
[data-design="b"] .b-hero__headline {
  font-family: var(--design-b-font-display);
  font-size: clamp(32px, 5.5vw, 68px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--design-b-ink);
  margin: 0 0 var(--design-b-joist);
  max-width: 18ch;
  opacity: 1;
}
[data-design="b"] .b-hero__headline em {
  font-style: italic;
  color: var(--design-b-redline);
}
[data-design="b"] .b-hero__subtitle {
  font-family: var(--design-b-font-body);
  font-size: clamp(15px, 1.8vw, 18px);
  line-height: 1.55;
  color: var(--design-b-pencil);
  margin: 0 0 var(--design-b-stud);
  max-width: 52ch;
  opacity: 1;
}
[data-design="b"] .b-hero__proof {
  font-family: var(--design-b-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--design-b-ghost);
  margin: 0 0 var(--design-b-bay);
  opacity: 1;
}

/* ── E2: STAMP CTA ───────────────────────────────────────── */
[data-design="b"] .b-stamp {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--design-b-tick);
  padding: 14px 24px;
  min-height: 44px;
  background: var(--design-b-bond);
  border: 2px solid var(--design-b-redline);
  border-radius: var(--design-b-radius-corner);
  font-family: var(--design-b-font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--design-b-ink);
  text-decoration: none;
  cursor: pointer;
  isolation: isolate;
  animation: b-stamp-breath var(--design-b-dur-breath) ease-in-out infinite;
  transition: transform var(--design-b-dur-tick) var(--design-b-ease-stamp),
              background-color var(--design-b-dur-draft);
}
[data-design="b"] .b-stamp__halo {
  position: absolute;
  inset: -10px;
  background: radial-gradient(closest-side, color-mix(in oklab, var(--design-b-redline), transparent 70%), transparent 70%);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--design-b-dur-ink) var(--design-b-ease-draft);
}
[data-design="b"] .b-stamp__tick {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 9px;
  height: 1px;
  background: var(--design-b-redline);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform var(--design-b-dur-ink) var(--design-b-ease-draft);
}
[data-design="b"] .b-stamp__imprint {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -14px;
  height: 8px;
  background: var(--design-b-redline);
  clip-path: polygon(2% 50%, 6% 0, 12% 80%, 18% 20%, 26% 60%, 34% 10%, 42% 80%, 50% 30%, 58% 70%, 66% 20%, 74% 60%, 82% 10%, 90% 80%, 98% 50%);
  opacity: 0;
  transform: scaleY(0.4);
  transform-origin: top;
}
[data-design="b"] .b-stamp:hover { background: var(--design-b-sheet); transform: translateY(-1px); }
[data-design="b"] .b-stamp:hover .b-stamp__halo { opacity: 1; }
[data-design="b"] .b-stamp:hover .b-stamp__tick { transform: scaleX(1); }
[data-design="b"] .b-stamp:focus-visible {
  outline: 2px solid var(--design-b-blueprint);
  outline-offset: 3px;
}
[data-design="b"] .b-stamp:active {
  transform: scale(0.97) translateY(0);
  background: color-mix(in oklab, var(--design-b-redline), transparent 88%);
}
[data-design="b"] .b-stamp.is-pressed .b-stamp__imprint {
  animation: b-stamp-imprint 420ms var(--design-b-ease-stamp);
}
@keyframes b-stamp-breath {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--design-b-redline), transparent 100%); }
  50%       { box-shadow: 0 0 0 4px color-mix(in oklab, var(--design-b-redline), transparent 86%); }
}
@keyframes b-stamp-imprint {
  0%   { opacity: 1; transform: scaleY(0.4); }
  60%  { opacity: 0.6; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(1) translateY(4px); }
}
[data-design="b"] .b-stamp--large { padding: 16px 32px; font-size: 13px; }
[data-design="b"] .b-stamp--ghost { background: transparent; color: var(--design-b-pencil); }
[data-design="b"] .b-stamp--ghost:hover { background: color-mix(in oklab, var(--design-b-ink), transparent 94%); }
[data-design="b"] .b-stamp--footer { padding: 12px 20px; }

/* ── E6: POINTER ─────────────────────────────────────────── */
[data-design="b"] .b-pointer {
  display: flex;
  justify-content: center;
  padding: clamp(40px, 8vw, 80px) 16px clamp(56px, 10vw, 96px);
  color: var(--design-b-pencil);
  opacity: 1;
}
[data-design="b"] .b-pointer__tick {
  display: block;
  width: 16px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
  flex-shrink: 0;
}
[data-design="b"] .b-pointer__rule {
  display: block;
  width: 1px;
  min-height: 56px;
  background: currentColor;
  transform-origin: top center;
  animation: b-pointer-extend 5s ease-in-out infinite;
}
[data-design="b"] .b-pointer__label {
  font-family: var(--design-b-font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0;
  animation: b-pointer-stamp 5s ease-in-out infinite;
  white-space: nowrap;
}
/* Flex column wrapper for the inner pointer guts */
[data-design="b"] .b-pointer > *:not(.b-pointer__tick) {
  /* pointer__tick rendered via inner flex */
}
/* Rebuild pointer as flex-column for tick-rule-label-tick */
[data-design="b"] .b-pointer {
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
@keyframes b-pointer-extend {
  0%, 100% { transform: scaleY(0.4); opacity: 0.4; }
  50%       { transform: scaleY(1);   opacity: 0.85; }
}
@keyframes b-pointer-stamp {
  0%, 30%, 100% { opacity: 0; }
  50%, 70%      { opacity: 0.85; }
}

/* ── E5: FUNNEL / WORKSHEET ──────────────────────────────── */
[data-design="b"] .b-worksheet {
  background: var(--design-b-sheet);
  padding: var(--design-b-floor) var(--design-b-bay);
  border-top: 1px solid var(--design-b-rule);
  border-bottom: 1px solid var(--design-b-rule);
}
[data-design="b"] .b-worksheet__head {
  max-width: 720px;
  margin: 0 auto var(--design-b-bay);
}
[data-design="b"] .b-worksheet__kicker {
  font-family: var(--design-b-font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--design-b-pencil);
  margin: 0 0 4px;
}
[data-design="b"] .b-worksheet h2 {
  font-family: var(--design-b-font-display);
  font-size: clamp(26px, 4.5vw, 44px);
  letter-spacing: -0.015em;
  margin: 0 0 var(--design-b-joist);
  color: var(--design-b-ink);
}
[data-design="b"] .b-worksheet__lead {
  font-family: var(--design-b-font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--design-b-pencil);
  margin: 0;
  max-width: 56ch;
}
[data-design="b"] .b-funnel {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  background: var(--design-b-bond);
  border: 1px solid var(--design-b-rule);
  padding: var(--design-b-bay);
}
[data-design="b"] .b-funnel__progress {
  display: flex;
  gap: var(--design-b-joist);
  list-style: none;
  padding: 0;
  margin: 0 0 var(--design-b-bay);
  font-family: var(--design-b-font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--design-b-ghost);
  border-bottom: 1px solid var(--design-b-rule);
  padding-bottom: var(--design-b-tick);
}
[data-design="b"] .b-funnel__progress li { transition: color var(--design-b-dur-draft); }
[data-design="b"] .b-funnel__progress li.is-done   { color: var(--design-b-redline); }
[data-design="b"] .b-funnel__progress li.is-active { color: var(--design-b-ink); }

[data-design="b"] .b-funnel__step {
  border: none;
  padding: 0;
  margin: 0;
  display: none;
  position: relative;
}
[data-design="b"] .b-funnel__step.is-active {
  display: block;
  animation: b-funnel-register var(--design-b-dur-ink) var(--design-b-ease-survey);
}
@keyframes b-funnel-register {
  from { transform: translateY(8px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}
[data-design="b"] .b-funnel__legend {
  font-family: var(--design-b-font-display);
  font-size: clamp(18px, 2.8vw, 22px);
  color: var(--design-b-ink);
  letter-spacing: -0.01em;
  margin-bottom: var(--design-b-joist);
  display: block;
}
[data-design="b"] .b-funnel__choices {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--design-b-tick);
  margin-bottom: var(--design-b-bay);
}
[data-design="b"] .b-funnel__choices--row {
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}
[data-design="b"] .b-funnel__choices label {
  position: relative;
  cursor: pointer;
  border: 1px solid var(--design-b-rule);
  padding: var(--design-b-tick) var(--design-b-joist);
  min-height: 44px;
  display: flex;
  align-items: center;
  font-family: var(--design-b-font-body);
  font-size: 14px;
  color: var(--design-b-ink);
  background: var(--design-b-sheet);
  transition: border-color var(--design-b-dur-draft), background var(--design-b-dur-draft);
}
[data-design="b"] .b-funnel__choices label:hover { border-color: var(--design-b-blueprint); }
[data-design="b"] .b-funnel__choices label:has(input:checked) {
  border-color: var(--design-b-redline);
  background: color-mix(in oklab, var(--design-b-redline), transparent 94%);
}
[data-design="b"] .b-funnel__choices input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
[data-design="b"] .b-funnel__next {
  background: transparent;
  border: 1px solid var(--design-b-ink);
  color: var(--design-b-ink);
  font-family: var(--design-b-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 10px 18px;
  min-height: 44px;
  cursor: pointer;
  transition: background var(--design-b-dur-draft), color var(--design-b-dur-draft);
}
[data-design="b"] .b-funnel__next:hover { background: var(--design-b-ink); color: var(--design-b-bond); }
[data-design="b"] .b-funnel__next:disabled { opacity: 0.4; cursor: not-allowed; }
[data-design="b"] .b-funnel__stamp {
  position: absolute;
  top: -4px;
  right: 0;
  font-family: var(--design-b-font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--design-b-redline);
  border: 2px solid var(--design-b-redline);
  padding: 4px 10px;
  transform: rotate(-7deg) scale(0.7);
  opacity: 0;
  pointer-events: none;
}
[data-design="b"] .b-funnel__step.is-stamped .b-funnel__stamp {
  animation: b-funnel-stamp 540ms var(--design-b-ease-stamp) forwards;
}
@keyframes b-funnel-stamp {
  0%   { transform: rotate(-7deg) scale(0.5); opacity: 0; }
  60%  { transform: rotate(-7deg) scale(1.08); opacity: 1; }
  100% { transform: rotate(-7deg) scale(1); opacity: 0.95; }
}
[data-design="b"] .b-funnel__fields {
  display: grid;
  gap: var(--design-b-joist);
  margin-bottom: var(--design-b-bay);
}
[data-design="b"] .b-imprint { display: block; }
[data-design="b"] .b-imprint__label {
  display: block;
  font-family: var(--design-b-font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--design-b-pencil);
  margin-bottom: 4px;
}
[data-design="b"] .b-imprint input {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--design-b-rule);
  padding: 8px 0;
  font-family: var(--design-b-font-body);
  font-size: 16px;
  color: var(--design-b-ink);
  outline: none;
  transition: border-color var(--design-b-dur-draft);
}
[data-design="b"] .b-imprint input:focus { border-bottom-color: var(--design-b-blueprint); border-bottom-width: 2px; }
[data-design="b"] .b-funnel__thanks {
  display: block;
  padding: var(--design-b-bay) 0;
}
[data-design="b"] .b-funnel__thanks[hidden] { display: none; }
[data-design="b"] .b-funnel__thanks-kicker {
  font-family: var(--design-b-font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--design-b-redline);
  margin: 0 0 var(--design-b-tick);
}
[data-design="b"] .b-funnel__thanks-body {
  font-family: var(--design-b-font-display);
  font-size: 22px;
  color: var(--design-b-ink);
  margin: 0;
}
[data-design="b"] .b-worksheet__trust {
  max-width: 720px;
  margin: var(--design-b-bay) auto 0;
  font-family: var(--design-b-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--design-b-ghost);
  line-height: 1.7;
}
[data-design="b"] .b-worksheet__trust em { font-style: normal; color: var(--design-b-pencil); }

/* ── BEFORE/AFTER SEAM — E3 ambient (section) ────────────── */
[data-design="b"] .b-seam {
  background: var(--design-b-bond);
  padding: var(--design-b-floor) var(--design-b-bay);
  border-top: 1px solid var(--design-b-rule);
  border-bottom: 1px solid var(--design-b-rule);
}
[data-design="b"] .b-seam__head {
  max-width: 1100px;
  margin: 0 auto var(--design-b-bay);
}
[data-design="b"] .b-seam__kicker {
  font-family: var(--design-b-font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--design-b-pencil);
  margin: 0 0 4px;
}
[data-design="b"] .b-seam h2 {
  font-family: var(--design-b-font-display);
  font-size: clamp(26px, 4.5vw, 44px);
  letter-spacing: -0.015em;
  color: var(--design-b-ink);
  margin: 0 0 var(--design-b-joist);
  max-width: 22ch;
}
[data-design="b"] .b-seam__lead {
  font-family: var(--design-b-font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--design-b-pencil);
  max-width: 56ch;
  margin: 0;
}
[data-design="b"] .b-seam__plate {
  max-width: 1100px;
  margin: 0 auto;
  border: 1px solid var(--design-b-rule);
  background: var(--design-b-sheet);
  overflow: hidden;
  position: relative;
}
[data-design="b"] .b-seam__row {
  position: relative;
  height: clamp(160px, 26vw, 240px);
  display: flex;
  align-items: flex-end;
  padding: var(--design-b-joist);
}
[data-design="b"] .b-seam__art {
  position: absolute;
  inset: 0;
}
[data-design="b"] .b-seam__art--before {
  background-image:
    linear-gradient(180deg, transparent 60%, color-mix(in oklab, var(--design-b-ink), transparent 50%) 100%),
    repeating-linear-gradient(115deg, color-mix(in oklab, var(--design-b-ink), transparent 90%) 0 1px, transparent 1px 18px);
}
[data-design="b"] .b-seam__row--before {
  background: linear-gradient(180deg, color-mix(in oklab, var(--design-b-ink), transparent 72%) 0%, var(--design-b-pencil) 100%);
}
[data-design="b"] .b-seam__art--after {
  background-image:
    repeating-linear-gradient(0deg, transparent 0 28px, color-mix(in oklab, var(--design-b-blueprint), transparent 80%) 28px 29px),
    repeating-linear-gradient(90deg, transparent 0 28px, color-mix(in oklab, var(--design-b-blueprint), transparent 80%) 28px 29px);
}
[data-design="b"] .b-seam__art--after::after {
  content: "";
  position: absolute;
  left: 8%; right: 8%; bottom: 18%;
  height: 38%;
  border: 1.5px solid var(--design-b-blueprint);
  border-radius: var(--design-b-radius-corner);
  background: linear-gradient(0deg, color-mix(in oklab, var(--design-b-blueprint), transparent 92%), transparent 60%);
}
[data-design="b"] .b-seam__row--after { background: var(--design-b-sheet); }
[data-design="b"] .b-seam__caption {
  position: relative;
  z-index: 2;
  font-family: var(--design-b-font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 8px;
  margin: 0;
}
[data-design="b"] .b-seam__caption--before { color: var(--design-b-sheet); background: color-mix(in oklab, var(--design-b-ink), transparent 20%); }
[data-design="b"] .b-seam__caption--after  { color: var(--design-b-blueprint); }
[data-design="b"] .b-seam__rule-bar {
  position: relative;
  height: 2px;
  background: transparent;
  overflow: visible;
}
[data-design="b"] .b-seam__rule-line {
  position: absolute;
  inset: 0;
  background: var(--design-b-redline);
}
[data-design="b"] .b-seam__aperture {
  position: absolute;
  top: -60px;
  left: 0;
  width: 96px;
  height: 124px;
  border: 2px solid var(--design-b-redline);
  background: linear-gradient(0deg, color-mix(in oklab, var(--design-b-redline), transparent 92%), transparent);
  animation: b-seam-travel 18s var(--design-b-ease-survey) infinite;
  mix-blend-mode: multiply;
}
@keyframes b-seam-travel {
  0%   { left: 0;    transform: translateX(0);    opacity: 0; }
  6%   { opacity: 0.85; }
  50%  { left: 100%; transform: translateX(-100%); opacity: 0.85; }
  56%  { opacity: 0; }
  60%  { left: 100%; opacity: 0; }
  100% { left: 0;    opacity: 0; }
}
[data-design="b"] .b-seam.is-paused .b-seam__aperture { animation-play-state: paused; }
[data-design="b"] .b-seam__ask {
  max-width: 1100px;
  margin: var(--design-b-joist) auto 0;
  font-family: var(--design-b-font-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--design-b-pencil);
  font-style: italic;
}

/* ── REPEATED FUNNEL CTA ─────────────────────────────────── */
[data-design="b"] .b-repeat-cta {
  padding: var(--design-b-floor) var(--design-b-bay);
  text-align: center;
  background: var(--design-b-bond);
  border-bottom: 1px solid var(--design-b-rule);
}
[data-design="b"] .b-repeat-cta__kicker {
  font-family: var(--design-b-font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--design-b-pencil);
  margin: 0 0 var(--design-b-joist);
}

/* ── PORTFOLIO / SERVICES ────────────────────────────────── */
[data-design="b"] .b-portfolio {
  background: var(--design-b-sheet);
  padding: var(--design-b-floor) var(--design-b-bay);
  border-bottom: 1px solid var(--design-b-rule);
}
[data-design="b"] .b-section-head { max-width: 1100px; margin: 0 auto var(--design-b-bay); }
[data-design="b"] .b-section-kicker {
  font-family: var(--design-b-font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--design-b-pencil);
  margin: 0 0 4px;
}
[data-design="b"] .b-section-head h2 {
  font-family: var(--design-b-font-display);
  font-size: clamp(26px, 4.5vw, 44px);
  letter-spacing: -0.015em;
  color: var(--design-b-ink);
  margin: 0;
}
[data-design="b"] .b-services {
  max-width: 1100px;
  margin: 0 auto;
  list-style: none;
  padding: 0;
  counter-reset: svc;
}
[data-design="b"] .b-services li {
  display: flex;
  align-items: baseline;
  gap: var(--design-b-joist);
  padding: var(--design-b-joist) 0;
  border-bottom: 1px solid color-mix(in oklab, var(--design-b-rule), transparent 60%);
  transition: background var(--design-b-dur-draft);
}
[data-design="b"] .b-services li::before {
  content: attr(data-idx);
  font-family: var(--design-b-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--design-b-ghost);
  flex-shrink: 0;
  width: 28px;
}
[data-design="b"] .b-services li:hover .b-services__name { color: var(--design-b-redline); }
[data-design="b"] .b-services__name {
  font-family: var(--design-b-font-display);
  font-size: clamp(16px, 2.2vw, 22px);
  font-weight: 500;
  color: var(--design-b-ink);
  transition: color var(--design-b-dur-draft);
  flex: 1;
}
[data-design="b"] .b-services__note {
  font-family: var(--design-b-font-body);
  font-size: 13px;
  color: var(--design-b-ghost);
  flex: 2;
  text-align: right;
}

/* ── E4: PROCESS / HATCH ─────────────────────────────────── */
[data-design="b"] .b-hatch {
  position: relative;
  background: var(--design-b-bond);
  padding: var(--design-b-floor) var(--design-b-bay);
  overflow: hidden;
  border-bottom: 1px solid var(--design-b-rule);
}
[data-design="b"] .b-hatch__field {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
[data-design="b"] .b-hatch__layer {
  position: absolute;
  inset: -10% -10% -10% -10%;
  opacity: 0;
  transform: translateX(-12%);
  background-image: repeating-linear-gradient(
    135deg,
    color-mix(in oklab, var(--design-b-patina), transparent 78%) 0 1px,
    transparent 1px 22px
  );
}
[data-design="b"] .b-hatch__layer--a { animation: b-hatch-wave 14s linear infinite; }
[data-design="b"] .b-hatch__layer--b {
  background-image: repeating-linear-gradient(
    135deg,
    color-mix(in oklab, var(--design-b-blueprint), transparent 86%) 0 1px,
    transparent 1px 22px
  );
  animation: b-hatch-wave 14s linear infinite;
  animation-delay: -7s;
}
@keyframes b-hatch-wave {
  0%   { opacity: 0;    transform: translateX(-12%); }
  20%  { opacity: 0.95; }
  60%  { opacity: 0.95; transform: translateX(8%); }
  85%  { opacity: 0; }
  100% { opacity: 0;    transform: translateX(12%); }
}
[data-design="b"] .b-hatch.is-paused .b-hatch__layer { animation-play-state: paused; }
[data-design="b"] .b-hatch__inner {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
}
[data-design="b"] .b-hatch__kicker {
  font-family: var(--design-b-font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--design-b-pencil);
  margin: 0 0 4px;
}
[data-design="b"] .b-hatch h2 {
  font-family: var(--design-b-font-display);
  font-size: clamp(26px, 4.5vw, 44px);
  letter-spacing: -0.015em;
  margin: 0 0 var(--design-b-bay);
  max-width: 26ch;
  color: var(--design-b-ink);
}
[data-design="b"] .b-hatch__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--design-b-bay);
}
[data-design="b"] .b-hatch__steps > li {
  background: var(--design-b-sheet);
  border: 1px solid var(--design-b-rule);
  padding: var(--design-b-joist);
}
[data-design="b"] .b-hatch__steps > li::before {
  content: attr(data-step) " — ";
  font-family: var(--design-b-font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--design-b-blueprint);
  text-transform: uppercase;
  display: block;
  margin-bottom: var(--design-b-tick);
}
[data-design="b"] .b-hatch__steps > li strong {
  display: block;
  font-family: var(--design-b-font-display);
  font-size: 16px;
  font-weight: 500;
  color: var(--design-b-ink);
  margin-bottom: 6px;
}
[data-design="b"] .b-hatch__steps > li {
  font-family: var(--design-b-font-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--design-b-pencil);
}
[data-design="b"] .b-hatch__cta-row {
  display: flex;
  align-items: center;
  gap: var(--design-b-joist);
  flex-wrap: wrap;
  margin-top: var(--design-b-bay);
  padding-top: var(--design-b-joist);
  border-top: 1px solid var(--design-b-rule);
}
[data-design="b"] .b-hatch__cta-note {
  font-family: var(--design-b-font-body);
  font-size: 15px;
  color: var(--design-b-pencil);
  margin: 0;
  flex: 1;
  min-width: 200px;
}

/* ── ABOUT ───────────────────────────────────────────────── */
[data-design="b"] .b-about {
  background: var(--design-b-sheet);
  padding: var(--design-b-floor) var(--design-b-bay);
  border-bottom: 1px solid var(--design-b-rule);
}
[data-design="b"] .b-about__body {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr min(360px,40%);
  gap: var(--design-b-bay);
}
[data-design="b"] .b-about__col p {
  font-family: var(--design-b-font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--design-b-pencil);
  margin: 0 0 var(--design-b-joist);
  max-width: 64ch;
}
[data-design="b"] .b-about__meta {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--design-b-tick) var(--design-b-joist);
  align-content: start;
  font-size: 14px;
}
[data-design="b"] .b-about__meta dt {
  font-family: var(--design-b-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--design-b-ghost);
  padding-top: 2px;
}
[data-design="b"] .b-about__meta dd {
  font-family: var(--design-b-font-body);
  font-size: 14px;
  color: var(--design-b-pencil);
  margin: 0;
  line-height: 1.5;
}
[data-design="b"] .b-about__meta a { color: var(--design-b-blueprint); text-decoration: none; }
[data-design="b"] .b-about__meta a:hover { color: var(--design-b-redline); }

/* ── FOOTER ──────────────────────────────────────────────── */
[data-design="b"] .b-footer {
  background: var(--design-b-ink);
  border-top: 1px solid var(--design-b-rule);
  padding: var(--design-b-floor) var(--design-b-bay);
}
[data-design="b"] .b-footer__bar {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: var(--design-b-bay);
  align-items: end;
}
[data-design="b"] .b-footer__logo {
  display: block;
  font-family: var(--design-b-font-display);
  font-size: 20px;
  font-weight: 500;
  color: var(--design-b-bond);
  margin-bottom: var(--design-b-tick);
}
[data-design="b"] .b-footer__copy {
  display: block;
  font-family: var(--design-b-font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--design-b-ghost);
}
[data-design="b"] .b-footer__line {
  font-family: var(--design-b-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--design-b-pencil);
  margin: 0 0 4px;
}
[data-design="b"] .b-footer__phone {
  display: inline-block;
  font-family: var(--design-b-font-mono);
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--design-b-bond);
  text-decoration: none;
  margin-top: var(--design-b-tick);
  min-height: 44px;
  line-height: 44px;
}
[data-design="b"] .b-footer__phone:hover { color: var(--design-b-redline); }
/* Stamp on dark footer */
[data-design="b"] .b-footer .b-stamp--footer {
  background: transparent;
  border-color: var(--design-b-bond);
  color: var(--design-b-bond);
}
[data-design="b"] .b-footer .b-stamp--footer:hover { background: color-mix(in oklab, var(--design-b-bond), transparent 88%); }

/* ══════════════════════════════════════════════════════════
   RESPONSIVE BREAKPOINTS
   ═══════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  [data-design="b"] .b-about__body {
    grid-template-columns: 1fr;
  }
  [data-design="b"] .b-footer__bar {
    grid-template-columns: 1fr 1fr;
  }
  [data-design="b"] .b-footer__bar > *:last-child {
    grid-column: 1 / -1;
  }
  [data-design="b"] .b-services__note { display: none; }
}
@media (max-width: 600px) {
  [data-design="b"] .b-header__bar { padding: var(--design-b-tick) var(--design-b-joist); }
  [data-design="b"] .b-logo__mark  { font-size: 14px; }
  [data-design="b"] .b-hero__content {
    padding: var(--design-b-span) var(--design-b-joist);
    margin: 0;
  }
  [data-design="b"] .b-seam { padding: var(--design-b-span) var(--design-b-joist); }
  [data-design="b"] .b-seam__row { height: 140px; }
  [data-design="b"] .b-seam__aperture { width: 64px; height: 96px; top: -48px; }
  [data-design="b"] .b-worksheet { padding: var(--design-b-span) var(--design-b-joist); }
  [data-design="b"] .b-funnel { padding: var(--design-b-joist); }
  [data-design="b"] .b-funnel__legend { font-size: 18px; }
  [data-design="b"] .b-hatch { padding: var(--design-b-span) var(--design-b-joist); }
  [data-design="b"] .b-portfolio { padding: var(--design-b-span) var(--design-b-joist); }
  [data-design="b"] .b-about { padding: var(--design-b-span) var(--design-b-joist); }
  [data-design="b"] .b-footer { padding: var(--design-b-span) var(--design-b-joist); }
  [data-design="b"] .b-footer__bar { grid-template-columns: 1fr; }
  [data-design="b"] .b-repeat-cta { padding: var(--design-b-span) var(--design-b-joist); }
  [data-design="b"] .b-drawer__sheet { padding: var(--design-b-joist); }
}

/* ── prefers-reduced-motion fallbacks ────────────────────── */
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .b-header__rule { animation: none; transform: scaleX(1); opacity: 0.35; }
  [data-design="b"] .b-drawer__sheet { animation: none; }
  [data-design="b"] .b-stamp { animation: none; }
  [data-design="b"] .b-stamp__tick { transition: none; }
  [data-design="b"] .b-stamp__imprint { animation: none; }
  [data-design="b"] .b-hero__grid-field { animation: none; opacity: 0.35; }
  [data-design="b"] .b-redraw-outer,
  [data-design="b"] .b-redraw-wall,
  [data-design="b"] .b-redraw-arc,
  [data-design="b"] .b-redraw-dim { animation: none; stroke-dashoffset: 0; }
  [data-design="b"] .b-redraw-new { animation: none; stroke-dashoffset: 0; }
  [data-design="b"] .b-redraw-dim-label { animation: none; opacity: 0.7; }
  [data-design="b"] .b-pointer__rule,
  [data-design="b"] .b-pointer__label { animation: none; opacity: 0.7; }
  [data-design="b"] .b-seam__aperture { animation: none; left: 50%; transform: translateX(-50%); opacity: 0.75; }
  [data-design="b"] .b-hatch__layer { animation: none; opacity: 0.45; transform: translateX(0); }
  [data-design="b"] .b-funnel__step.is-active { animation: none; }
  [data-design="b"] .b-funnel__step.is-stamped .b-funnel__stamp {
    animation: none; opacity: 0.95; transform: rotate(-7deg) scale(1);
  }
}

/* ══════════════════════════════════════════════════════════
   MOBILE NO-H-SCROLL — gate-required block (BOTTOM of file)
   ═══════════════════════════════════════════════════════ */
[data-design="b"].dq-design,
[data-design="b"] .dq-design {
  max-width: 100%;
  overflow-x: clip;
}
[data-design="b"].dq-design * {
  min-width: 0;
}
[data-design="b"].dq-design img,
[data-design="b"].dq-design svg:not([data-keep-size]) {
  max-width: 100%;
  height: auto;
}

/* Phase-3.4 hero visibility floor (forge_assemble) */
[data-design="b"] [data-mf-role="hero"] :is(h1,h2,p,.headline,.subtitle,.proof,[class*="headline"],[class*="subtitle"],[class*="proof"]),
[data-design="b"] [data-mf-role="cta"] { opacity: 1 !important; }