/* ═══════════════════════════════════════════════════════════════════
   Bench Mark × Nick Winslow Masonry — Design SLOT B
   Scoped entirely to [data-design="b"].dq-design
   Keyframes prefixed bm-
   Slot "b" primary token: --design-b-primary
   ═══════════════════════════════════════════════════════════════════ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Public+Sans:wght@400;500;600;700&family=Lora:ital,wght@0,400;0,600;1,400;1,600&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* ── Design-B root tokens (DISTINCT from Design-A: warmer bone, deeper sage, ochre shifted amber) ── */
[data-design="b"] {
  --design-b-primary: #5e7f4f;

  /* Surfaces — slightly warmer than default bench-mark for visual distinction */
  --bm-bone-50:   #f5f1e8;
  --bm-bone-100:  #ebe4d4;
  --bm-bone-200:  #d8cebc;

  /* Ink */
  --bm-ink-900:   #0e1528;
  --bm-ink-700:   #273050;
  --bm-ink-500:   #526078;
  --bm-ink-300:   #8a93ae;

  /* Sage — slightly deeper/cooler for B distinction */
  --bm-sage-600:  #4d7242;
  --bm-sage-100:  #d4e3cc;

  /* Ochre — shifted amber for B */
  --bm-ochre-600: #9b720e;
  --bm-purple-600:#5e2a6e;

  /* Stake red (same — universal masonry anchor) */
  --bm-stake-700: #8a2522;
  --bm-stake-100: #f2d4d1;

  /* Typography */
  --bm-font-display: "Public Sans", "Inter Tight", system-ui, sans-serif;
  --bm-font-body:    "Lora", "Georgia", serif;
  --bm-font-mono:    "IBM Plex Mono", ui-monospace, monospace;

  /* Spacing */
  --bm-tick:       4px;
  --bm-graticule:  8px;
  --bm-station:   12px;
  --bm-traverse:  24px;
  --bm-baseline:  40px;
  --bm-quadrangle:64px;
  --bm-span:      96px;
  --bm-storey:   128px;
  --bm-datum:    192px;

  /* Motion */
  --bm-ease-survey:  cubic-bezier(0.4, 0.05, 0.2, 1);
  --bm-ease-stake:   cubic-bezier(0.6, 0, 0.3, 1);
  --bm-ease-settle:  cubic-bezier(0.22, 0.61, 0.36, 1);
  --bm-ease-bearing: cubic-bezier(0.16, 1.2, 0.4, 1);
  --bm-ease-breath:  cubic-bezier(0.45, 0, 0.55, 1);

  --bm-dur-fb:           140ms;
  --bm-dur-settle:       260ms;
  --bm-dur-stake:        420ms;
  --bm-dur-bearing:      900ms;
  --bm-dur-survey:      1500ms;
  --bm-dur-breath-fast:     6s;
  --bm-dur-breath-mid:     16s;
  --bm-dur-breath-slow:    32s;

  /* Radii */
  --bm-radius-0:    0;
  --bm-radius-tick: 2px;
  --bm-radius-card: 4px;
  --bm-mark:        50%;
  --bm-pill:        999px;

  /* Shadows */
  --bm-shadow-paper:       0 0 0 1px var(--bm-ink-300), 0 6px 16px -4px rgba(14,21,40,0.08);
  --bm-shadow-paper-lift:  0 0 0 1px var(--bm-ink-300), 0 14px 36px -8px rgba(14,21,40,0.14);
  --bm-shadow-stake-press: inset 0 2px 0 0 var(--bm-sage-600), 0 0 0 2px rgba(77,114,66,0.18);
}

/* ── Mobile container & overflow lock ── */
[data-design="b"].dq-design,
[data-design="b"] .dq-design {
  max-width: 100%;
  overflow-x: clip;
  background: var(--bm-bone-50);
  color: var(--bm-ink-900);
  font-family: var(--bm-font-body);
}
[data-design="b"].dq-design * {
  min-width: 0;
  box-sizing: border-box;
}
[data-design="b"].dq-design img,
[data-design="b"].dq-design svg:not([data-keep-size]) {
  max-width: 100%;
  height: auto;
}

/* ── Reset ── */
[data-design="b"].dq-design *, [data-design="b"].dq-design *::before, [data-design="b"].dq-design *::after {
  box-sizing: border-box;
}
[data-design="b"].dq-design h1, [data-design="b"].dq-design h2, [data-design="b"].dq-design h3,
[data-design="b"].dq-design p, [data-design="b"].dq-design ol, [data-design="b"].dq-design ul,
[data-design="b"].dq-design dl, [data-design="b"].dq-design fieldset {
  margin: 0;
  padding: 0;
}

/* ══════════════════════════════════════════════
   E1 — HEADER (Quadrangle title bar)
   ══════════════════════════════════════════════ */
[data-design="b"] .bm-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bm-bone-50);
  border-bottom: 1px solid var(--bm-ink-300);
  overflow: hidden;
}
[data-design="b"] .bm-header__contours {
  position: absolute;
  inset: 0;
  color: var(--bm-sage-600);
  opacity: 0.45;
  pointer-events: none;
}
[data-design="b"] .bm-contours-svg {
  width: 100%;
  height: 100%;
  display: block;
}
[data-design="b"] .bm-contour {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation: bm-contour-draw var(--bm-dur-breath-slow) var(--bm-ease-survey) infinite;
}
[data-design="b"] .bm-contour:nth-child(1) { animation-delay: 0s; }
[data-design="b"] .bm-contour:nth-child(2) { animation-delay: 3s; }
[data-design="b"] .bm-contour:nth-child(3) { animation-delay: 6s; }
@keyframes bm-contour-draw {
  0%   { stroke-dashoffset: 100; opacity: 0; }
  10%  { opacity: 1; }
  45%  { stroke-dashoffset: 0; opacity: 1; }
  75%  { stroke-dashoffset: 0; opacity: 1; }
  92%  { stroke-dashoffset: -100; opacity: 0; }
  100% { stroke-dashoffset: -100; opacity: 0; }
}

[data-design="b"] .bm-header__bar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--bm-station) clamp(var(--bm-traverse), 4vw, var(--bm-baseline));
  min-height: 64px;
}
[data-design="b"] .bm-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--bm-station);
  text-decoration: none;
  color: var(--bm-ink-900);
  font-family: var(--bm-font-display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.008em;
}
[data-design="b"] .bm-logo__arrow {
  width: 22px;
  height: 22px;
  color: var(--bm-ink-900);
  flex-shrink: 0;
}
[data-design="b"] .bm-logo__arrow svg { width: 100%; height: 100%; display: block; }
[data-design="b"] .bm-logo__needle {
  transform-origin: 12px 12px;
  animation: bm-needle 60s linear infinite;
}
@keyframes bm-needle {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
[data-design="b"] .bm-logo__mark { line-height: 1; }

[data-design="b"] .bm-hamburger {
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--bm-ink-700);
  padding: 10px 12px;
  cursor: pointer;
  border-radius: var(--bm-radius-tick);
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .bm-hamburger:hover { border-color: var(--bm-sage-600); }
}
[data-design="b"] .bm-hamburger__rule {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--bm-ink-900);
}

/* Drawer */
[data-design="b"] .bm-drawer {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(440px, 90vw);
  background: var(--bm-bone-50);
  border-left: 3px solid var(--bm-sage-600);
  box-shadow: var(--bm-shadow-paper-lift);
  padding: var(--bm-baseline);
  transform: translateX(100%);
  transition: transform var(--bm-dur-bearing) var(--bm-ease-survey);
  z-index: 100;
}
[data-design="b"] .bm-drawer[data-open="true"] { transform: translateX(0); }
[data-design="b"] .bm-drawer[hidden] { display: none; }
[data-design="b"] .bm-drawer__close {
  position: absolute;
  top: var(--bm-traverse);
  right: var(--bm-traverse);
  background: transparent;
  border: 1px solid var(--bm-ink-300);
  color: var(--bm-ink-900);
  font-size: 16px;
  padding: 8px 12px;
  cursor: pointer;
  border-radius: var(--bm-radius-tick);
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
[data-design="b"] .bm-drawer__nav {
  display: flex;
  flex-direction: column;
  gap: var(--bm-station);
  margin-top: var(--bm-quadrangle);
}
[data-design="b"] .bm-drawer__nav a {
  font-family: var(--bm-font-display);
  font-weight: 600;
  font-size: 26px;
  letter-spacing: -0.008em;
  color: var(--bm-ink-900);
  text-decoration: none;
  padding: var(--bm-tick) 0;
  position: relative;
  display: inline-flex;
  gap: var(--bm-station);
  align-items: baseline;
}
[data-design="b"] .bm-drawer__nav a::before {
  content: attr(data-num);
  font-family: var(--bm-font-mono);
  font-size: 12px;
  color: var(--bm-sage-600);
  letter-spacing: 0.06em;
  opacity: 0.3;
  transition: opacity var(--bm-dur-settle) var(--bm-ease-settle);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .bm-drawer__nav a:hover::before { opacity: 1; }
  [data-design="b"] .bm-drawer__nav a:hover::after { transform: scaleX(1); }
}
[data-design="b"] .bm-drawer__nav a::after {
  content: "";
  position: absolute;
  left: 38px;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--bm-sage-600);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--bm-dur-settle) var(--bm-ease-settle);
}
[data-design="b"] .bm-drawer__actions {
  margin-top: var(--bm-baseline);
  display: flex;
  flex-direction: column;
  gap: var(--bm-traverse);
  align-items: flex-start;
}
[data-design="b"] .bm-drawer__phone {
  font-family: var(--bm-font-mono);
  font-size: 18px;
  color: var(--bm-ink-900);
  text-decoration: none;
  letter-spacing: 0.04em;
}
[data-design="b"] .bm-drawer__meta {
  position: absolute;
  bottom: var(--bm-traverse);
  left: var(--bm-baseline);
  font-family: var(--bm-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--bm-ink-500);
  text-transform: uppercase;
}

/* ══════════════════════════════════════════════
   E3 + HERO — Contour-wash + masonry unique hero
   isolation:isolate on section (HTML attr) + z-index hierarchy
   ══════════════════════════════════════════════ */
[data-design="b"] .bm-hero {
  position: relative;
  overflow: hidden;
  /* isolation:isolate is set inline on the element for hard guarantee */
  padding: var(--bm-datum) clamp(var(--bm-traverse), 5vw, var(--bm-baseline)) var(--bm-storey);
  background: var(--bm-bone-50);
  min-height: 60vh;
}
/* Backdrop: pointer-events:none, z-index BELOW text */
[data-design="b"] .bm-hero__substrate {
  position: absolute;
  inset: 0;
  pointer-events: none;
  color: var(--bm-sage-600);
  opacity: 0.42;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 0 clamp(var(--bm-traverse), 4vw, var(--bm-baseline)) var(--bm-quadrangle);
  z-index: 1;
}
[data-design="b"] .bm-contour-map {
  width: min(720px, 86%);
  height: auto;
}
/* Plumb-line animation: draw down (stroke-dashoffset) */
[data-design="b"] .bm-plumb-line {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation: bm-plumb-draw 2s var(--bm-ease-survey) 0.3s forwards, bm-plumb-breathe 8s var(--bm-ease-breath) 2.5s infinite;
}
@keyframes bm-plumb-draw {
  0%   { stroke-dashoffset: 100; opacity: 0; }
  15%  { opacity: 1; }
  100% { stroke-dashoffset: 0; opacity: 1; }
}
@keyframes bm-plumb-breathe {
  0%, 100% { opacity: 0.9; }
  50%       { opacity: 0.55; }
}
/* Topo course rings draw in after plumb-line */
[data-design="b"] .bm-topo {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation: bm-topo-draw 24s var(--bm-ease-survey) infinite;
}
[data-design="b"] .bm-topo--1 { animation-delay: 0.5s; }
[data-design="b"] .bm-topo--2 { animation-delay: 1.1s; }
[data-design="b"] .bm-topo--3 { animation-delay: 1.7s; }
[data-design="b"] .bm-topo--4 { animation-delay: 2.3s; }
[data-design="b"] .bm-topo--5 { animation-delay: 2.9s; }
@keyframes bm-topo-draw {
  0%   { stroke-dashoffset: 100; opacity: 0; }
  10%  { opacity: 1; }
  40%  { stroke-dashoffset: 0; opacity: 1; }
  75%  { stroke-dashoffset: 0; opacity: 1; }
  92%  { stroke-dashoffset: -100; opacity: 0; }
  100% { stroke-dashoffset: -100; opacity: 0; }
}
/* Benchmark cross */
[data-design="b"] .bm-topo-peak {
  opacity: 0;
  animation: bm-topo-peak-fade 24s var(--bm-ease-breath) infinite;
  animation-delay: 4s;
}
[data-design="b"] .bm-topo-callout {
  opacity: 0;
  animation: bm-topo-peak-fade 24s var(--bm-ease-breath) infinite;
  animation-delay: 4.3s;
}
@keyframes bm-topo-peak-fade {
  0%, 18% { opacity: 0; }
  35%, 72% { opacity: 1; }
  90%, 100% { opacity: 0; }
}
/* Mortar course lines — draw left→right (scaleX on fixed-width element) */
[data-design="b"] .bm-course {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation: bm-course-draw 16s var(--bm-ease-survey) infinite;
}
[data-design="b"] .bm-course:nth-child(1) { animation-delay: 1.2s; }
[data-design="b"] .bm-course:nth-child(2) { animation-delay: 1.8s; }
[data-design="b"] .bm-course:nth-child(3) { animation-delay: 2.4s; }
[data-design="b"] .bm-course:nth-child(4) { animation-delay: 3.0s; }
@keyframes bm-course-draw {
  0%   { stroke-dashoffset: 100; opacity: 0; }
  12%  { opacity: 1; }
  45%  { stroke-dashoffset: 0; opacity: 1; }
  75%  { stroke-dashoffset: 0; opacity: 0.8; }
  90%  { stroke-dashoffset: -100; opacity: 0; }
  100% { stroke-dashoffset: -100; opacity: 0; }
}

/* Hero text bay — z-index ABOVE substrate */
[data-design="b"] .bm-hero__bay {
  position: relative;
  z-index: 10; /* above substrate z-index:1, above any backdrop */
  max-width: 66ch;
}
[data-design="b"] .bm-hero__id {
  font-family: var(--bm-font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--bm-ink-500);
  margin: 0 0 var(--bm-traverse);
  padding-bottom: var(--bm-tick);
  border-bottom: 1px solid var(--bm-ink-300);
  display: inline-block;
  opacity: 1; /* visible at first paint */
}
[data-design="b"] .bm-hero__row {
  display: flex;
  align-items: flex-end;
  gap: var(--bm-traverse);
  flex-wrap: wrap;
  margin: 0 0 var(--bm-traverse);
}
[data-design="b"] .bm-hero__title {
  font-family: var(--bm-font-display);
  font-weight: 600;
  font-size: clamp(38px, 5.5vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.022em;
  color: var(--bm-ink-900);
  margin: 0;
  text-wrap: pretty;
  max-width: 22ch;
  opacity: 1; /* HARD: visible at first paint */
}
[data-design="b"] .bm-hero__title em {
  font-style: italic;
  font-weight: 500;
  color: var(--bm-sage-600);
  font-family: var(--bm-font-body);
}
[data-design="b"] .bm-hero__elev {
  font-family: var(--bm-font-mono);
  font-size: clamp(18px, 2vw, 28px);
  letter-spacing: 0.08em;
  color: var(--bm-stake-700);
  border-bottom: 1px solid var(--bm-stake-700);
  padding-bottom: 4px;
  white-space: nowrap;
  opacity: 1;
}
[data-design="b"] .bm-hero__lede {
  font-family: var(--bm-font-body);
  font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.55;
  color: var(--bm-ink-700);
  margin: 0 0 var(--bm-baseline);
  max-width: 56ch;
  opacity: 1;
}
[data-design="b"] .bm-hero__cta-row {
  display: flex;
  gap: var(--bm-traverse);
  flex-wrap: wrap;
}
[data-design="b"] .bm-hero__proof {
  margin-top: var(--bm-traverse);
  font-family: var(--bm-font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--bm-ink-500);
  opacity: 1;
}

/* ══════════════════════════════════════════════
   E2 — CTA "Drive the stake" button
   ALL text opacity:1 at rest — feedback uses display:none
   ══════════════════════════════════════════════ */
[data-design="b"] .bm-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--bm-station);
  padding: 14px 22px;
  min-height: 56px;
  min-width: 44px;
  background: var(--bm-sage-600);
  color: var(--bm-bone-50);
  font-family: var(--bm-font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.005em;
  text-decoration: none;
  border: 1px solid var(--bm-ink-900);
  border-radius: var(--bm-radius-tick);
  cursor: pointer;
  animation: bm-cta-tint var(--bm-dur-breath-fast) var(--bm-ease-breath) infinite;
}
/* .bm-cta__feedback: hidden via display:none, not opacity:0 */
[data-design="b"] .bm-cta__feedback {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -22px;
  font-family: var(--bm-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-align: center;
  color: var(--bm-sage-600);
  pointer-events: none;
  /* display:none set inline in HTML; show via data-active */
}
[data-design="b"] .bm-cta__feedback[data-active="true"] {
  display: block !important;
}
[data-design="b"] .bm-cta__arrow {
  font-size: 18px;
  line-height: 1;
  opacity: 1;
}
[data-design="b"] .bm-cta__tick {
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 14px;
  height: 14px;
  background: var(--bm-ochre-600);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}
[data-design="b"] .bm-cta__coord {
  position: absolute;
  top: 4px;
  right: 6px;
  font-family: var(--bm-font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  opacity: 1; /* must NOT be 0 */
  color: var(--bm-bone-50);
}
/* Transition only on compositor props: transform, background, box-shadow */
[data-design="b"] .bm-cta {
  transition:
    transform var(--bm-dur-settle) var(--bm-ease-settle),
    background var(--bm-dur-settle) var(--bm-ease-settle),
    box-shadow var(--bm-dur-settle) var(--bm-ease-settle);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .bm-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 0 1px var(--bm-ink-900), 0 6px 18px -6px rgba(77,114,66,0.55);
  }
  [data-design="b"] .bm-cta:hover .bm-cta__tick { background: #c8a14a; }
}
[data-design="b"] .bm-cta:active {
  transform: translateY(2px);
  box-shadow: var(--bm-shadow-stake-press);
}
[data-design="b"] .bm-cta:focus-visible {
  outline: 2px solid var(--bm-stake-700);
  outline-offset: 3px;
}
@keyframes bm-cta-tint {
  0%, 100% { background: var(--bm-sage-600); }
  50%       { background: #5a8050; }
}

/* CTA variants */
[data-design="b"] .bm-cta--secondary {
  background: var(--bm-bone-50);
  color: var(--bm-ink-900);
  border-color: var(--bm-ink-900);
  animation: none;
}
[data-design="b"] .bm-cta--ghost {
  background: transparent;
  color: var(--bm-ink-900);
  border-color: var(--bm-ink-700);
  animation: none;
}
[data-design="b"] .bm-cta--ghost .bm-cta__coord { color: var(--bm-ink-500); }

@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .bm-cta { animation: none; }
  [data-design="b"] .bm-contour { animation: none; stroke-dashoffset: 0; opacity: 0.4; }
  [data-design="b"] .bm-logo__needle { animation: none; }
  [data-design="b"] .bm-plumb-line { animation: none; stroke-dashoffset: 0; opacity: 0.8; }
  [data-design="b"] .bm-topo { animation: none; stroke-dashoffset: 0; opacity: 0.6; }
  [data-design="b"] .bm-topo-peak,
  [data-design="b"] .bm-topo-callout { animation: none; opacity: 1; }
  [data-design="b"] .bm-course { animation: none; stroke-dashoffset: 0; opacity: 0.5; }
}

/* ══════════════════════════════════════════════
   E6 — POINTER (Bearing arrow / plumb-line drop)
   Static bbox height: 220px >> 8px gate floor
   IMMEDIATELY before #funnel in DOM
   ══════════════════════════════════════════════ */
[data-design="b"] .bm-pointer {
  display: flex;
  justify-content: center;
  /* Negative top margin pulls pointer up into hero's bottom padding space */
  margin: calc(var(--bm-storey) * -0.4) auto var(--bm-traverse);
  width: 88px;
  height: 220px; /* static bbox >> 8px threshold */
  color: var(--bm-ink-700);
  cursor: pointer;
  background: transparent;
  border: 0;
  padding: 0;
  position: relative;
  z-index: 3;
}
[data-design="b"] .bm-pointer__svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}
/* Scale-bar draw (stroke-dashoffset = compositor-safe) */
[data-design="b"] .bm-pointer__rule {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation: bm-pointer-draw 1.6s var(--bm-ease-survey) 0.4s forwards;
}
@keyframes bm-pointer-draw {
  to { stroke-dashoffset: 0; }
}
/* Tick marks appear sequentially (opacity only) */
[data-design="b"] .bm-pointer__ticks line {
  opacity: 0;
  animation: bm-pointer-tick 0.3s var(--bm-ease-stake) forwards;
}
[data-design="b"] .bm-pointer__ticks line:nth-child(1) { animation-delay: 0.7s; }
[data-design="b"] .bm-pointer__ticks line:nth-child(2) { animation-delay: 0.9s; }
[data-design="b"] .bm-pointer__ticks line:nth-child(3) { animation-delay: 1.1s; }
[data-design="b"] .bm-pointer__ticks line:nth-child(4) { animation-delay: 1.3s; }
[data-design="b"] .bm-pointer__ticks line:nth-child(5) { animation-delay: 1.5s; }
@keyframes bm-pointer-tick {
  to { opacity: 1; }
}
/* Bearing needle: rotate 0→180° (plumb drops true), then drift */
[data-design="b"] .bm-pointer__needle {
  transform-origin: 0px 0px;
  animation:
    bm-needle-bearing 1.8s var(--bm-ease-bearing) 0.4s forwards,
    bm-needle-drift var(--bm-dur-breath-fast) var(--bm-ease-breath) infinite 2.2s;
}
@keyframes bm-needle-bearing {
  0%   { transform: rotate(0deg); }
  70%  { transform: rotate(190deg); }
  100% { transform: rotate(180deg); }
}
@keyframes bm-needle-drift {
  0%, 100% { transform: rotate(175deg); }
  50%       { transform: rotate(185deg); }
}
/* Pointer label fade in (opacity 0→1; NOT a text element so gate samples it but it's decorative SVG text) */
[data-design="b"] .bm-pointer__label {
  font-size: 9px;
  letter-spacing: 0.22em;
  opacity: 0;
  animation: bm-pointer-label 0.6s var(--bm-ease-survey) 1.6s forwards;
}
@keyframes bm-pointer-label {
  to { opacity: 1; }
}

@media (max-width: 560px) {
  [data-design="b"] .bm-pointer { width: 64px; height: 180px; }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .bm-pointer__rule { animation: none; stroke-dashoffset: 0; }
  [data-design="b"] .bm-pointer__ticks line,
  [data-design="b"] .bm-pointer__label { animation: none; opacity: 1; }
  [data-design="b"] .bm-pointer__needle { animation: none; transform: rotate(180deg); }
}

/* ══════════════════════════════════════════════
   E5 — FUNNEL (masonry 5-step qualifying intake)
   ══════════════════════════════════════════════ */
[data-design="b"] .bm-funnel {
  padding: var(--bm-storey) clamp(var(--bm-traverse), 5vw, var(--bm-baseline));
  background: var(--bm-bone-50);
  border-top: 1px solid var(--bm-ink-300);
}
[data-design="b"] .bm-funnel__head {
  margin-bottom: var(--bm-baseline);
  max-width: 64ch;
}
[data-design="b"] .bm-funnel__id {
  font-family: var(--bm-font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--bm-ink-500);
  margin: 0 0 var(--bm-tick);
  padding-bottom: var(--bm-tick);
  border-bottom: 1px solid var(--bm-ink-300);
  display: inline-block;
}
[data-design="b"] .bm-funnel__title {
  font-family: var(--bm-font-display);
  font-weight: 600;
  font-size: clamp(30px, 4vw, 46px);
  letter-spacing: -0.018em;
  margin: 0 0 var(--bm-station);
  line-height: 1.08;
}
[data-design="b"] .bm-funnel__sub {
  font-family: var(--bm-font-body);
  font-size: 18px;
  line-height: 1.6;
  color: var(--bm-ink-700);
  margin: 0;
  max-width: 60ch;
}

/* Site plan diagram */
[data-design="b"] .bm-funnel__plot {
  background: var(--bm-bone-100);
  border: 1px solid var(--bm-ink-300);
  padding: var(--bm-traverse);
  margin-bottom: var(--bm-baseline);
  position: relative;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--bm-traverse);
  align-items: flex-start;
}
[data-design="b"] .bm-funnel__plot-id {
  position: absolute;
  top: -10px;
  left: var(--bm-traverse);
  background: var(--bm-bone-50);
  padding: 0 var(--bm-station);
  font-family: var(--bm-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bm-ink-500);
}
[data-design="b"] .bm-plot-svg {
  width: 100%;
  max-width: 320px;
  height: auto;
  background: var(--bm-bone-50);
  border: 1px solid var(--bm-ink-300);
}
[data-design="b"] .bm-plot-pin {
  animation: bm-pin-stake var(--bm-dur-stake) var(--bm-ease-stake) both;
  transform-origin: center;
  transform-box: fill-box;
}
@keyframes bm-pin-stake {
  0%   { transform: scale(0.95) translateY(-20px); opacity: 0; }
  60%  { transform: scale(1.4) translateY(0); opacity: 1; }
  100% { transform: scale(1) translateY(0); opacity: 1; }
}
[data-design="b"] .bm-funnel__plot-list {
  margin: 0;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: var(--bm-tick) var(--bm-station);
  font-family: var(--bm-font-mono);
  font-size: 13px;
  align-content: flex-start;
}
[data-design="b"] .bm-funnel__plot-list:empty::before {
  content: "(answers log here)";
  color: var(--bm-ink-500);
  font-style: italic;
  font-family: var(--bm-font-body);
  font-size: 14px;
  grid-column: 1 / -1;
}
[data-design="b"] .bm-funnel__plot-list dt {
  color: var(--bm-ink-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0;
  align-self: baseline;
}
[data-design="b"] .bm-funnel__plot-list dd {
  margin: 0;
  color: var(--bm-ink-900);
  font-weight: 500;
}
[data-design="b"] .bm-funnel__plot-list dd[data-fresh="true"] {
  animation: bm-row-stake var(--bm-dur-stake) var(--bm-ease-stake);
}
@keyframes bm-row-stake {
  0%   { transform: translateY(-6px); opacity: 0; color: var(--bm-sage-600); }
  60%  { transform: translateY(2px); opacity: 1; color: var(--bm-sage-600); }
  100% { transform: translateY(0); opacity: 1; color: var(--bm-ink-900); }
}

/* Funnel steps */
[data-design="b"] .bm-funnel__sheets {
  position: relative;
  border: 1px solid var(--bm-ink-300);
  background: var(--bm-bone-50);
  padding: var(--bm-baseline);
  min-height: 340px;
  overflow: hidden;
  box-shadow: var(--bm-shadow-paper);
}
[data-design="b"] .bm-funnel__step {
  border: 0;
  padding: 0;
  margin: 0;
  display: none;
}
[data-design="b"] .bm-funnel__step[data-active="true"] {
  display: block;
  animation: bm-step-survey var(--bm-dur-bearing) var(--bm-ease-survey) forwards;
}
@keyframes bm-step-survey {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}
[data-design="b"] .bm-funnel__step-id {
  font-family: var(--bm-font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--bm-ink-500);
  text-transform: uppercase;
  margin-bottom: var(--bm-traverse);
  padding: 0;
}
[data-design="b"] .bm-funnel__choices {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--bm-station);
}
[data-design="b"] .bm-funnel__choice {
  font-family: var(--bm-font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.005em;
  background: var(--bm-bone-50);
  color: var(--bm-ink-900);
  border: 1px solid var(--bm-ink-700);
  border-radius: var(--bm-radius-tick);
  padding: 16px 22px;
  text-align: left;
  cursor: pointer;
  min-height: 60px;
  min-width: 44px;
  position: relative;
  /* Transition only compositor props */
  transition:
    background var(--bm-dur-fb) var(--bm-ease-settle),
    color var(--bm-dur-fb) var(--bm-ease-settle),
    border-color var(--bm-dur-fb) var(--bm-ease-settle),
    transform var(--bm-dur-fb) var(--bm-ease-settle);
}
[data-design="b"] .bm-funnel__choice::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 50%;
  width: 12px;
  height: 1px;
  background: currentColor;
  transform: translateY(-50%) scaleX(0);
  transform-origin: right;
  transition: transform var(--bm-dur-settle) var(--bm-ease-settle);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .bm-funnel__choice:hover {
    background: var(--bm-sage-100);
    border-color: var(--bm-sage-600);
    color: var(--bm-ink-900);
  }
  [data-design="b"] .bm-funnel__choice:hover::after { transform: translateY(-50%) scaleX(1); }
}
[data-design="b"] .bm-funnel__choice:active { transform: translateY(2px); }
[data-design="b"] .bm-funnel__choice:focus-visible {
  outline: 2px solid var(--bm-sage-600);
  outline-offset: 2px;
}

/* Contact step */
[data-design="b"] .bm-funnel__contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--bm-traverse);
}
[data-design="b"] .bm-funnel__contact .bm-funnel__submit { grid-column: 1 / -1; justify-self: flex-start; }
[data-design="b"] .bm-field {
  display: flex;
  flex-direction: column;
  gap: var(--bm-tick);
}
[data-design="b"] .bm-field--full { grid-column: 1 / -1; }
[data-design="b"] .bm-field span {
  font-family: var(--bm-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--bm-ink-500);
  text-transform: uppercase;
}
[data-design="b"] .bm-field__input {
  font-family: var(--bm-font-body);
  font-size: 18px;
  padding: 10px 4px;
  border: 0;
  border-bottom: 1px solid var(--bm-ink-300);
  background: transparent;
  color: var(--bm-ink-900);
  transition: border-color var(--bm-dur-settle) var(--bm-ease-settle);
  width: 100%;
}
[data-design="b"] .bm-field__input:focus {
  outline: none;
  border-bottom-color: var(--bm-sage-600);
  border-bottom-width: 2px;
}
[data-design="b"] .bm-field__textarea { resize: vertical; min-height: 80px; }

/* Funnel nav / progress */
[data-design="b"] .bm-funnel__nav {
  display: flex;
  align-items: center;
  gap: var(--bm-traverse);
  margin-top: var(--bm-traverse);
}
[data-design="b"] .bm-funnel__back {
  background: transparent;
  border: 1px solid var(--bm-ink-700);
  padding: 8px 14px;
  font-family: var(--bm-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--bm-ink-900);
  cursor: pointer;
  border-radius: var(--bm-radius-tick);
  min-height: 44px;
}
[data-design="b"] .bm-funnel__progress {
  flex: 1;
  height: 1px;
  background: var(--bm-ink-300);
  position: relative;
}
[data-design="b"] .bm-funnel__progress-fill {
  position: absolute;
  left: 0;
  top: -1px;
  bottom: -1px;
  width: 100%;
  transform: scaleX(0.2);
  transform-origin: left;
  background: var(--bm-sage-600);
  transition: transform var(--bm-dur-bearing) var(--bm-ease-survey);
}
[data-design="b"] .bm-funnel__counter {
  font-family: var(--bm-font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--bm-ink-500);
}

/* Confirmation / surveyed state */
[data-design="b"] .bm-funnel__surveyed {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--bm-baseline) 0;
}
[data-design="b"] .bm-funnel__surveyed[hidden] { display: none !important; }
[data-design="b"] .bm-funnel__stamp {
  color: var(--bm-stake-700);
  width: 280px;
  margin-bottom: var(--bm-traverse);
  animation: bm-stamp-press var(--bm-dur-stake) var(--bm-ease-bearing) both;
}
[data-design="b"] .bm-funnel__stamp svg { width: 100%; height: auto; }
@keyframes bm-stamp-press {
  0%   { transform: scale(1.4) rotate(-5deg); opacity: 0; }
  60%  { transform: scale(0.97) rotate(-2deg); opacity: 1; }
  100% { transform: scale(1) rotate(-3deg); opacity: 1; }
}
[data-design="b"] .bm-funnel__surveyed-title {
  font-family: var(--bm-font-display);
  font-weight: 600;
  font-size: 28px;
  letter-spacing: -0.015em;
  margin: 0 0 var(--bm-station);
}
[data-design="b"] .bm-funnel__surveyed-body {
  font-family: var(--bm-font-body);
  font-size: 18px;
  line-height: 1.6;
  color: var(--bm-ink-700);
  max-width: 48ch;
  margin: 0;
}
[data-design="b"] .bm-funnel__refnum {
  font-family: var(--bm-font-mono);
  color: var(--bm-ink-900);
}

/* Funnel trust line */
[data-design="b"] .bm-funnel__trust {
  margin-top: var(--bm-baseline);
  padding-top: var(--bm-traverse);
  border-top: 1px solid var(--bm-ink-300);
  font-family: var(--bm-font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--bm-ink-500);
  line-height: 1.8;
}
[data-design="b"] .bm-funnel__trust p { margin: 0; }

@media (max-width: 760px) {
  [data-design="b"] .bm-funnel__plot { grid-template-columns: 1fr; }
  [data-design="b"] .bm-plot-svg { max-width: 100%; }
}
@media (max-width: 640px) {
  [data-design="b"] .bm-funnel__choices,
  [data-design="b"] .bm-funnel__contact { grid-template-columns: 1fr; }
  [data-design="b"] .bm-funnel__contact .bm-funnel__submit { justify-self: stretch; }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .bm-funnel__step,
  [data-design="b"] .bm-funnel__plot-list dd,
  [data-design="b"] .bm-funnel__stamp,
  [data-design="b"] .bm-plot-pin { animation: none !important; opacity: 1; transform: none; }
}

/* ══════════════════════════════════════════════
   E4 — SERVICES (Ambient B — contour thumbnails)
   ══════════════════════════════════════════════ */
[data-design="b"] .bm-services {
  position: relative;
  padding: var(--bm-storey) clamp(var(--bm-traverse), 5vw, var(--bm-baseline));
  background: var(--bm-bone-100);
  overflow: hidden;
}
[data-design="b"] .bm-services__grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(0deg, rgba(77,114,66,0.05) 0 1px, transparent 1px 64px);
  background-size: 100% 64px;
  animation: bm-grid-drift var(--bm-dur-breath-slow) linear infinite;
  pointer-events: none;
}
@keyframes bm-grid-drift {
  from { background-position: 0 0; }
  to   { background-position: 0 64px; }
}
[data-design="b"] .bm-services__head {
  position: relative;
  z-index: 1;
  margin-bottom: var(--bm-baseline);
}
[data-design="b"] .bm-services__id {
  font-family: var(--bm-font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--bm-ink-500);
  margin: 0 0 var(--bm-tick);
  padding-bottom: var(--bm-tick);
  border-bottom: 1px solid var(--bm-ink-300);
  display: inline-block;
}
[data-design="b"] .bm-services__title {
  font-family: var(--bm-font-display);
  font-weight: 600;
  font-size: clamp(30px, 4vw, 46px);
  letter-spacing: -0.018em;
  margin: 0;
  line-height: 1.08;
  max-width: 22ch;
}
[data-design="b"] .bm-services__list {
  position: relative;
  z-index: 1;
  list-style: none;
  padding: 0;
  margin: 0;
}
[data-design="b"] .bm-survey-row {
  display: grid;
  grid-template-columns: 90px 1fr 130px;
  gap: var(--bm-traverse);
  padding: var(--bm-traverse) 0;
  border-top: 1px solid var(--bm-ink-300);
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity 600ms var(--bm-ease-survey),
    transform 600ms var(--bm-ease-survey),
    background var(--bm-dur-settle) var(--bm-ease-settle);
  align-items: center;
}
[data-design="b"] .bm-survey-row:last-child { border-bottom: 1px solid var(--bm-ink-300); }
[data-design="b"] .bm-survey-row[data-in-view="true"] { opacity: 1; transform: translateY(0); }
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .bm-survey-row:hover {
    background: linear-gradient(90deg, var(--bm-sage-100) 0%, transparent 50%);
  }
}
[data-design="b"] .bm-row__num {
  font-family: var(--bm-font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--bm-ink-500);
  align-self: flex-start;
  padding-top: var(--bm-tick);
}
[data-design="b"] .bm-row__body h3 {
  font-family: var(--bm-font-display);
  font-weight: 600;
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: -0.012em;
  margin: 0 0 var(--bm-tick);
  line-height: 1.15;
}
[data-design="b"] .bm-row__body p {
  font-family: var(--bm-font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--bm-ink-700);
  margin: 0;
  max-width: 56ch;
}
[data-design="b"] .bm-row__interval {
  display: inline-block;
  font-family: var(--bm-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--bm-sage-600);
}
[data-design="b"] .bm-row__thumb {
  display: block;
  width: 110px;
  height: 60px;
  color: var(--bm-sage-600);
  justify-self: flex-end;
  align-self: center;
  opacity: 0.7;
}
[data-design="b"] .bm-row__thumb svg { width: 100%; height: 100%; display: block; }
[data-design="b"] .bm-thumb-line {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  transition: stroke-dashoffset var(--bm-dur-survey) var(--bm-ease-survey);
}
[data-design="b"] .bm-survey-row[data-in-view="true"] .bm-thumb-line { stroke-dashoffset: 0; }
[data-design="b"] .bm-survey-row[data-in-view="true"] .bm-thumb-line:nth-child(2) { transition-delay: 200ms; }
[data-design="b"] .bm-survey-row[data-in-view="true"] .bm-thumb-line:nth-child(3) { transition-delay: 400ms; }
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .bm-survey-row:hover .bm-row__thumb { opacity: 1; color: var(--bm-stake-700); }
}

@media (max-width: 720px) {
  [data-design="b"] .bm-survey-row { grid-template-columns: 60px 1fr; }
  [data-design="b"] .bm-row__thumb { grid-column: 2; justify-self: flex-start; margin-top: var(--bm-station); width: 90px; height: 50px; }
  [data-design="b"] .bm-row__interval { grid-column: 2; }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .bm-services__grid { animation: none; }
  [data-design="b"] .bm-survey-row { opacity: 1; transform: none; transition: none; }
  [data-design="b"] .bm-thumb-line { stroke-dashoffset: 0; transition: none; }
}

/* ══════════════════════════════════════════════
   MATERIALS SECTION (mid-page ambient B)
   ══════════════════════════════════════════════ */
[data-design="b"] .bm-materials {
  position: relative;
  padding: var(--bm-storey) clamp(var(--bm-traverse), 5vw, var(--bm-baseline));
  background: var(--bm-bone-50);
  overflow: hidden;
}
[data-design="b"] .bm-materials__grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(77,114,66,0.04) 0 1px, transparent 1px 80px);
  background-size: 80px 100%;
  animation: bm-grid-drift-h var(--bm-dur-breath-slow) linear infinite;
  pointer-events: none;
}
@keyframes bm-grid-drift-h {
  from { background-position: 0 0; }
  to   { background-position: 80px 0; }
}
[data-design="b"] .bm-materials__head {
  position: relative;
  z-index: 1;
  margin-bottom: var(--bm-baseline);
  max-width: 60ch;
}
[data-design="b"] .bm-materials__id {
  font-family: var(--bm-font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--bm-ink-500);
  margin: 0 0 var(--bm-tick);
  padding-bottom: var(--bm-tick);
  border-bottom: 1px solid var(--bm-ink-300);
  display: inline-block;
}
[data-design="b"] .bm-materials__title {
  font-family: var(--bm-font-display);
  font-weight: 600;
  font-size: clamp(30px, 4vw, 46px);
  letter-spacing: -0.018em;
  margin: 0 0 var(--bm-station);
  line-height: 1.08;
}
[data-design="b"] .bm-materials__lede {
  font-family: var(--bm-font-body);
  font-size: 18px;
  line-height: 1.6;
  color: var(--bm-ink-700);
  margin: 0;
}
[data-design="b"] .bm-materials__cards {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--bm-baseline);
}
[data-design="b"] .bm-mat-card {
  background: var(--bm-bone-100);
  border: 1px solid var(--bm-ink-300);
  padding: var(--bm-baseline);
  border-radius: var(--bm-radius-card);
  box-shadow: var(--bm-shadow-paper);
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity 700ms var(--bm-ease-survey),
    transform 700ms var(--bm-ease-survey);
}
[data-design="b"] .bm-mat-card[data-in-view="true"] { opacity: 1; transform: translateY(0); }
[data-design="b"] .bm-mat-card__contour {
  width: 120px;
  height: 80px;
  margin-bottom: var(--bm-traverse);
}
[data-design="b"] .bm-mat-card__contour svg { width: 100%; height: 100%; display: block; }
/* Ring animations for mat cards */
[data-design="b"] .bm-mat-ring {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  transition: stroke-dashoffset var(--bm-dur-survey) var(--bm-ease-survey);
}
[data-design="b"] .bm-mat-card[data-in-view="true"] .bm-mat-ring { stroke-dashoffset: 0; }
[data-design="b"] .bm-mat-card[data-in-view="true"] .bm-mat-ring--2 { transition-delay: 200ms; }
[data-design="b"] .bm-mat-card[data-in-view="true"] .bm-mat-ring--3 { transition-delay: 400ms; }
[data-design="b"] .bm-mat-card h3 {
  font-family: var(--bm-font-display);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.01em;
  margin: 0 0 var(--bm-station);
  line-height: 1.2;
}
[data-design="b"] .bm-mat-card p {
  font-family: var(--bm-font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--bm-ink-700);
  margin: 0;
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .bm-materials__grid { animation: none; }
  [data-design="b"] .bm-mat-card { opacity: 1; transform: none; transition: none; }
  [data-design="b"] .bm-mat-ring { stroke-dashoffset: 0; transition: none; }
}

/* ══════════════════════════════════════════════
   REPEATED FUNNEL CTA
   ══════════════════════════════════════════════ */
[data-design="b"] .bm-funnel-repeat {
  padding: var(--bm-storey) clamp(var(--bm-traverse), 5vw, var(--bm-baseline));
  background: var(--bm-bone-100);
  border-top: 1px solid var(--bm-ink-300);
  border-bottom: 1px solid var(--bm-ink-300);
}
[data-design="b"] .bm-funnel-repeat__inner {
  max-width: 720px;
}
[data-design="b"] .bm-funnel-repeat__id {
  font-family: var(--bm-font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--bm-ink-500);
  margin: 0 0 var(--bm-station);
}
[data-design="b"] .bm-funnel-repeat__title {
  font-family: var(--bm-font-display);
  font-weight: 600;
  font-size: clamp(28px, 3.5vw, 42px);
  letter-spacing: -0.018em;
  margin: 0 0 var(--bm-station);
  line-height: 1.08;
}
[data-design="b"] .bm-funnel-repeat__sub {
  font-family: var(--bm-font-body);
  font-size: 18px;
  line-height: 1.6;
  color: var(--bm-ink-700);
  margin: 0 0 var(--bm-baseline);
  max-width: 50ch;
}

/* ══════════════════════════════════════════════
   PROCESS SECTION
   ══════════════════════════════════════════════ */
[data-design="b"] .bm-process {
  padding: var(--bm-storey) clamp(var(--bm-traverse), 5vw, var(--bm-baseline));
  background: var(--bm-bone-50);
}
[data-design="b"] .bm-process__head {
  margin-bottom: var(--bm-baseline);
  max-width: 60ch;
}
[data-design="b"] .bm-process__id {
  font-family: var(--bm-font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--bm-ink-500);
  margin: 0 0 var(--bm-tick);
  padding-bottom: var(--bm-tick);
  border-bottom: 1px solid var(--bm-ink-300);
  display: inline-block;
}
[data-design="b"] .bm-process__title {
  font-family: var(--bm-font-display);
  font-weight: 600;
  font-size: clamp(28px, 3.5vw, 42px);
  letter-spacing: -0.018em;
  margin: 0;
  line-height: 1.08;
}
[data-design="b"] .bm-process__steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--bm-baseline);
}
[data-design="b"] .bm-process__step {
  border-top: 2px solid var(--bm-sage-600);
  padding-top: var(--bm-traverse);
  display: flex;
  gap: var(--bm-traverse);
  align-items: flex-start;
}
[data-design="b"] .bm-process__num {
  font-family: var(--bm-font-mono);
  font-size: 28px;
  font-weight: 500;
  color: var(--bm-sage-600);
  line-height: 1;
  flex-shrink: 0;
  padding-top: 2px;
}
[data-design="b"] .bm-process__step h3 {
  font-family: var(--bm-font-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.01em;
  margin: 0 0 var(--bm-tick);
  line-height: 1.2;
}
[data-design="b"] .bm-process__step p {
  font-family: var(--bm-font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--bm-ink-700);
  margin: 0;
}

/* ══════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════ */
[data-design="b"] .bm-footer {
  background: var(--bm-bone-100);
  padding: var(--bm-storey) clamp(var(--bm-traverse), 5vw, var(--bm-baseline)) var(--bm-quadrangle);
}
[data-design="b"] .bm-footer__rule {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bm-ink-300) 15%, var(--bm-ink-300) 85%, transparent);
  margin-bottom: var(--bm-baseline);
}
[data-design="b"] .bm-footer__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--bm-baseline);
  max-width: 1280px;
}
[data-design="b"] .bm-footer__id {
  font-family: var(--bm-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bm-ink-500);
  margin: 0 0 var(--bm-tick);
}
[data-design="b"] .bm-footer__firm {
  font-family: var(--bm-font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.008em;
  color: var(--bm-ink-900);
  margin: 0 0 var(--bm-station);
}
[data-design="b"] .bm-footer__tagline {
  font-family: var(--bm-font-body);
  font-size: 17px;
  line-height: 1.5;
  color: var(--bm-ink-700);
  margin: 0 0 var(--bm-traverse);
}
[data-design="b"] .bm-footer__phone {
  display: inline-block;
  font-family: var(--bm-font-mono);
  font-size: 20px;
  font-weight: 500;
  color: var(--bm-sage-600);
  text-decoration: none;
  letter-spacing: 0.04em;
}
[data-design="b"] .bm-footer__label {
  font-family: var(--bm-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bm-ink-500);
  margin: 0 0 var(--bm-station);
}
[data-design="b"] .bm-footer__col p:not(.bm-footer__id):not(.bm-footer__label):not(.bm-footer__tagline) {
  font-family: var(--bm-font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--bm-ink-700);
  margin: 0;
}
[data-design="b"] .bm-footer__bottom {
  margin-top: var(--bm-baseline);
  padding-top: var(--bm-traverse);
  border-top: 1px solid var(--bm-ink-300);
  font-family: var(--bm-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--bm-ink-500);
}

/* ══════════════════════════════════════════════
   GLOBAL CONTENT CONTAINER (windowed-center)
   All readable content in centered column
   Visuals (hero canvas) may be full-bleed
   ══════════════════════════════════════════════ */
[data-design="b"] .bm-hero__bay,
[data-design="b"] .bm-services__head,
[data-design="b"] .bm-services__list,
[data-design="b"] .bm-materials__head,
[data-design="b"] .bm-materials__cards,
[data-design="b"] .bm-funnel__head,
[data-design="b"] .bm-funnel__plot,
[data-design="b"] .bm-funnel__sheets,
[data-design="b"] .bm-funnel__nav,
[data-design="b"] .bm-funnel__trust,
[data-design="b"] .bm-funnel-repeat__inner,
[data-design="b"] .bm-process__head,
[data-design="b"] .bm-process__steps,
[data-design="b"] .bm-footer__inner,
[data-design="b"] .bm-footer__rule,
[data-design="b"] .bm-footer__bottom {
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

/* ══════════════════════════════════════════════
   SCROLL-LINKED PARALLAX (TRIAD-2)
   Hero substrate parallax on scroll — JS-driven, transform only
   ══════════════════════════════════════════════ */
[data-design="b"] .bm-hero__substrate {
  will-change: transform;
}

/* ══════════════════════════════════════════════
   MOBILE RESPONSIVE (320 / 390 / 768)
   No horizontal scroll at any breakpoint
   ══════════════════════════════════════════════ */
@media (max-width: 560px) {
  [data-design="b"] .bm-logo { font-size: 16px; }
  [data-design="b"] .bm-logo__arrow { width: 18px; height: 18px; }
  [data-design="b"] .bm-hero__title { font-size: clamp(34px, 10vw, 50px); }
  [data-design="b"] .bm-hero { padding-top: clamp(100px, 20vw, var(--bm-datum)); }
  [data-design="b"] .bm-process__steps { grid-template-columns: 1fr; }
}
@media (max-width: 390px) {
  [data-design="b"] .bm-hero__row { flex-direction: column; align-items: flex-start; gap: var(--bm-station); }
}

/* 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; }