/* ═══════════════════════════════════════════════════════════════════════
   DOREN TILE & STONE — DESIGN-B
   Vellum & Rule design system · slot b
   ALL selectors scoped [data-design="b"] — ZERO [data-design="b"].dq-design remain
   Keyframes prefixed b- to avoid collision
   ═══════════════════════════════════════════════════════════════════════ */

/* ── Google Fonts ───────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wdth,wght@12..96,75..100,300..800&family=Newsreader:ital,opsz,wght@0,6..72,300..700;1,6..72,300..700&family=DM+Mono:wght@400;500&display=swap');

/* ── TOKEN SYSTEM (Vellum & Rule, scoped to slot b) ─────────────────────── */
[data-design="b"] {
  /* Vellum surfaces */
  --b-vellum-50:    #f8f4ec;
  --b-vellum-100:   #f1ebdd;
  --b-vellum-200:   #e7dfc9;
  /* Graphite ink ramp */
  --b-graphite-900: #1a1814;
  --b-graphite-700: #3a352c;
  --b-graphite-500: #6b6558;
  --b-graphite-300: #a59f8f;
  /* Blueprint cyan (primary) */
  --b-blueprint-600: #1d4f8b;
  --b-blueprint-500: #2c6cb0;
  --b-blueprint-100: #d3e3f5;
  /* Vermillion (correction stamp) */
  --b-vermillion-600: #b8392e;
  --b-vermillion-100: #f3d8d3;
  /* Field tan + success green */
  --b-field-tan:    #c9b896;
  --b-success-700:  #3f6b4a;
  /* Typography */
  --b-font-display: "Bricolage Grotesque", "Archivo Narrow", system-ui, sans-serif;
  --b-font-body:    "Newsreader", "Source Serif Pro", Georgia, serif;
  --b-font-mono:    "DM Mono", "JetBrains Mono", ui-monospace, monospace;
  /* Type scale */
  --b-fs-detail:    12px;
  --b-fs-caption:   14px;
  --b-fs-body:      17px;
  --b-fs-body-lg:   19px;
  --b-fs-headline:  26px;
  --b-fs-display-1: clamp(40px, 6vw, 64px);
  --b-fs-display-2: clamp(32px, 5vw, 48px);
  --b-fs-display-3: clamp(28px, 4vw, 40px);
  /* Spacing primitives (drafting grid) */
  --b-tick:   4px;
  --b-mark:   8px;
  --b-rule:   12px;
  --b-bay:    24px;
  --b-frame:  40px;
  --b-grid:   64px;
  --b-span:   96px;
  --b-storey: 128px;
  --b-elevation: 192px;
  /* Radius — sparing, orthogonal default */
  --b-radius-0: 0;
  --b-radius-1: 2px;
  --b-radius-2: 4px;
  --b-stamp-radius: 6px;
  --b-pill: 999px;
  /* Shadows */
  --b-shadow-paper:      0 0 0 0.5px var(--b-graphite-300), 0 4px 12px -2px rgba(26,24,20,0.08);
  --b-shadow-paper-lift: 0 0 0 0.5px var(--b-graphite-300), 0 12px 32px -6px rgba(26,24,20,0.14);
  --b-shadow-stamp:      inset 0 0 0 1px var(--b-vermillion-600), 0 0 0 2px rgba(184,57,46,0.18);
  /* Motion easings */
  --b-ease-settle:   cubic-bezier(0.22, 0.61, 0.36, 1);
  --b-ease-register: cubic-bezier(0.65, 0, 0.35, 1);
  --b-ease-unfurl:   cubic-bezier(0.4, 0, 0.2, 1);
  --b-ease-stamp:    cubic-bezier(0.18, 1.4, 0.4, 1);
  --b-ease-breath:   cubic-bezier(0.45, 0, 0.55, 1);
  /* Motion durations */
  --b-dur-feedback: 160ms;
  --b-dur-register: 280ms;
  --b-dur-press:    420ms;
  --b-dur-unfurl:   720ms;
  --b-dur-draw:    1600ms;
  --b-dur-breath-fast: 5s;
  --b-dur-breath-mid:  14s;
  --b-dur-breath-slow: 28s;
  /* Design primary token required by contract */
  --design-b-primary: var(--b-blueprint-600);
}

/* ── RESET / BOX MODEL (scoped) ─────────────────────────────────────────── */
[data-design="b"].dq-design,
[data-design="b"] .dq-design {
  max-width: 100%;
  overflow-x: clip;
}
[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;
}

[data-design="b"] .dq-design,
[data-design="b"].dq-design {
  background: var(--b-vellum-50);
  color: var(--b-graphite-900);
  font-family: var(--b-font-body);
  font-size: var(--b-fs-body);
  line-height: 1.55;
}

/* ═══════════════════════════════════════════════════════════════════════════
   E1 — HEADER "Title block"
   ═══════════════════════════════════════════════════════════════════════════ */
[data-design="b"] .vr-header {
  position: sticky; top: 0; z-index: 50;
  width: 100%;
  background: var(--b-vellum-50);
  border-bottom: 1px solid var(--b-graphite-300);
  overflow: hidden;
}
[data-design="b"] .vr-header__grid {
  position: absolute; inset: 0;
  color: var(--b-blueprint-600);
  opacity: 0.18;
  pointer-events: none;
}
[data-design="b"] .vr-header__grid-svg { width: 100%; height: 100%; display: block; }
[data-design="b"] .vr-header__grid-fill {
  opacity: 0;
  animation: b-grid-breath var(--b-dur-breath-slow) var(--b-ease-breath) infinite;
}
[data-design="b"] .vr-header__dim {
  stroke: var(--b-blueprint-600); stroke-width: 0.5;
  stroke-dasharray: 4 6; stroke-dashoffset: 0;
  animation: b-dim-drift 31s linear infinite;
}
[data-design="b"] .vr-header__dim--b { animation-duration: 24s; animation-direction: reverse; opacity: 0.6; }

@keyframes b-grid-breath {
  0%, 100% { opacity: 0.35; }
  50%      { opacity: 0.85; }
}
@keyframes b-dim-drift {
  from { stroke-dashoffset: 0; }
  to   { stroke-dashoffset: -120; }
}

[data-design="b"] .vr-header__bar {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--b-rule) clamp(var(--b-bay), 4vw, var(--b-frame));
  min-height: 64px;
}
[data-design="b"] .vr-logo {
  display: inline-flex; align-items: center; gap: var(--b-mark);
  font-family: var(--b-font-display);
  font-weight: 520; letter-spacing: -0.015em;
  font-size: 20px; color: var(--b-graphite-900);
  text-decoration: none;
}
[data-design="b"] .vr-logo__rosette {
  width: 22px; height: 22px; color: var(--b-graphite-900);
  display: inline-block;
  animation: b-rosette-true 42s linear infinite;
}
[data-design="b"] .vr-logo__mark { line-height: 1; }
@keyframes b-rosette-true {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
[data-design="b"] .vr-hamburger {
  display: inline-flex; flex-direction: column; gap: 5px;
  background: transparent; border: 1px solid var(--b-graphite-700);
  padding: 10px 12px; cursor: pointer;
  border-radius: var(--b-radius-1);
  transition: border-color var(--b-dur-register) var(--b-ease-settle);
  min-height: 44px; min-width: 44px; justify-content: center;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .vr-hamburger:hover { border-color: var(--b-blueprint-600); }
}
[data-design="b"] .vr-hamburger__rule {
  display: block; width: 18px; height: 1px; background: var(--b-graphite-900);
}
/* Drawer */
[data-design="b"] .vr-drawer {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(420px, 88vw);
  background: var(--b-vellum-50);
  border-left: 1px solid var(--b-vermillion-600);
  box-shadow: var(--b-shadow-paper-lift);
  padding: var(--b-frame) var(--b-frame) var(--b-bay);
  transform: translateX(100%);
  transition: transform var(--b-dur-unfurl) var(--b-ease-unfurl);
  z-index: 100;
  display: flex; flex-direction: column; gap: var(--b-bay);
  overflow-y: auto;
}
[data-design="b"] .vr-drawer[hidden] { display: none; }
[data-design="b"] .vr-drawer[data-open="true"] { transform: translateX(0); }
[data-design="b"] .vr-drawer__nav {
  display: flex; flex-direction: column; gap: var(--b-rule);
}
[data-design="b"] .vr-ref {
  display: flex; gap: var(--b-mark); padding: var(--b-mark) 0;
  text-decoration: none; color: var(--b-graphite-900);
  font-family: var(--b-font-display); font-size: 28px;
}
[data-design="b"] .vr-ref__num {
  font-family: var(--b-font-mono); font-size: 13px; opacity: 0.18;
  align-self: flex-end; padding-bottom: 8px;
  transition: opacity var(--b-dur-register) var(--b-ease-settle);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .vr-ref:hover .vr-ref__num { opacity: 1; }
}
[data-design="b"] .vr-ref__label { position: relative; }
[data-design="b"] .vr-ref__label::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px; background: var(--b-graphite-900);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--b-dur-register) var(--b-ease-settle);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .vr-ref:hover .vr-ref__label::after { transform: scaleX(1); }
}
[data-design="b"] .vr-ref--cta { color: var(--b-blueprint-600); }
[data-design="b"] .vr-drawer__phone {
  display: flex; flex-direction: column; gap: var(--b-mark);
  font-family: var(--b-font-mono); font-size: 14px;
}
[data-design="b"] .vr-drawer__tel {
  color: var(--b-blueprint-600); text-decoration: none;
  font-size: 18px; letter-spacing: 0.02em;
}
[data-design="b"] .vr-drawer__hours { color: var(--b-graphite-500); font-size: 12px; }
[data-design="b"] .vr-drawer__meta {
  position: absolute; bottom: var(--b-bay); left: var(--b-frame);
  font-family: var(--b-font-mono); font-size: 11px;
  color: var(--b-graphite-500); letter-spacing: 0.08em; text-transform: uppercase;
}

@media (max-width: 560px) {
  [data-design="b"] .vr-logo { font-size: 17px; }
  [data-design="b"] .vr-logo__rosette { width: 18px; height: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .vr-header__grid-fill,
  [data-design="b"] .vr-header__dim,
  [data-design="b"] .vr-logo__rosette { animation: none; }
  [data-design="b"] .vr-header__grid-fill { opacity: 0.6; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   E3 — HERO "Elevation drift" + E2 CTA
   ═══════════════════════════════════════════════════════════════════════════ */
[data-design="b"] .vr-hero {
  position: relative; overflow: hidden;
  padding: var(--b-storey) clamp(var(--b-bay), 5vw, var(--b-frame)) var(--b-elevation);
  background: var(--b-vellum-50);
  min-height: 60vh;
}
[data-design="b"] .vr-hero__substrate {
  position: absolute; inset: 0; pointer-events: none;
  color: var(--b-blueprint-600);
  opacity: 0.32;
  display: flex; align-items: flex-end; justify-content: flex-end;
  padding: 0 clamp(var(--b-bay), 4vw, var(--b-frame)) var(--b-grid);
}
[data-design="b"] .vr-elevation { width: min(720px, 86%); height: auto; }

/* Elevation lines — draw in via stroke-dashoffset (transform/clip only, no layout prop) */
[data-design="b"] .vr-elev-line {
  stroke-dasharray: 100; stroke-dashoffset: 100;
  animation: b-elev-draw 14s var(--b-ease-unfurl) infinite;
}
[data-design="b"] .vr-elev-line:nth-child(1)  { animation-delay: 0s; }
[data-design="b"] .vr-elev-line:nth-child(2)  { animation-delay: 0.6s; }
[data-design="b"] .vr-elev-line:nth-child(3)  { animation-delay: 1.2s; }
[data-design="b"] .vr-elev-line:nth-child(4)  { animation-delay: 1.8s; }
[data-design="b"] .vr-elev-line:nth-child(5)  { animation-delay: 2.4s; }
[data-design="b"] .vr-elev-line:nth-child(6)  { animation-delay: 3.0s; }
[data-design="b"] .vr-elev-line:nth-child(7)  { animation-delay: 3.6s; }
[data-design="b"] .vr-elev-line:nth-child(8)  { animation-delay: 4.2s; }
[data-design="b"] .vr-elev-line:nth-child(9)  { animation-delay: 4.8s; }
[data-design="b"] .vr-elev-line:nth-child(10) { animation-delay: 5.4s; }
[data-design="b"] .vr-elev-line:nth-child(11) { animation-delay: 5.8s; }

[data-design="b"] .vr-elev-dim {
  opacity: 0;
  animation: b-elev-dim-fade 14s var(--b-ease-breath) infinite;
  animation-delay: 6s;
}
[data-design="b"] .vr-elev-callout {
  font-family: var(--b-font-mono); font-size: 11px; fill: currentColor;
  opacity: 0;
  animation: b-elev-dim-fade 14s var(--b-ease-breath) infinite;
  animation-delay: 6.2s;
}
[data-design="b"] .vr-elev-callout--ht { animation-delay: 6.4s; }

@keyframes b-elev-draw {
  0%   { stroke-dashoffset: 100; opacity: 0; }
  15%  { opacity: 1; }
  55%  { stroke-dashoffset: 0; opacity: 1; }
  75%  { stroke-dashoffset: 0; opacity: 1; }
  90%  { stroke-dashoffset: -100; opacity: 0; }
  100% { stroke-dashoffset: -100; opacity: 0; }
}
@keyframes b-elev-dim-fade {
  0%, 30% { opacity: 0; }
  55%, 75% { opacity: 1; }
  90%, 100% { opacity: 0; }
}

/* Hero text bay — all opacity:1 at first paint */
[data-design="b"] .vr-hero__bay {
  position: relative; z-index: 1;
  max-width: 64ch;
}
[data-design="b"] .vr-hero__id {
  font-family: var(--b-font-mono); font-size: var(--b-fs-detail);
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--b-graphite-500);
  margin: 0 0 var(--b-bay); padding-bottom: var(--b-mark);
  border-bottom: 1px solid var(--b-graphite-300);
  display: inline-block;
  opacity: 1;
}
[data-design="b"] .vr-hero__title {
  font-family: var(--b-font-display); font-weight: 480;
  font-size: var(--b-fs-display-1); line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--b-graphite-900);
  margin: 0 0 var(--b-bay);
  text-wrap: pretty;
  opacity: 1;
}
[data-design="b"] .vr-hero__lede {
  font-family: var(--b-font-body);
  font-size: clamp(18px, 1.5vw, 22px); line-height: 1.5;
  color: var(--b-graphite-700);
  margin: 0 0 var(--b-frame); max-width: 56ch;
  opacity: 1;
}
[data-design="b"] .vr-hero__proof {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: var(--b-mark) var(--b-bay);
  font-family: var(--b-font-mono); font-size: var(--b-fs-detail);
  color: var(--b-graphite-500); letter-spacing: 0.06em;
  margin: var(--b-bay) 0 0;
  opacity: 1;
}
[data-design="b"] .vr-hero__cta-row {
  display: flex; gap: var(--b-bay); flex-wrap: wrap;
  opacity: 1;
}

/* ── E2 — CTA "Stamped & sealed" ───────────────────────────────────────── */
[data-design="b"] .vr-cta {
  position: relative; display: inline-flex; align-items: center; gap: var(--b-mark);
  padding: 14px 22px 14px 18px;
  font-family: var(--b-font-display); font-weight: 520; font-size: 18px;
  letter-spacing: -0.01em;
  background: var(--b-blueprint-600); color: var(--b-vellum-50);
  text-decoration: none;
  border-radius: var(--b-stamp-radius);
  box-shadow: 0 0 0 1px var(--b-graphite-900) inset, 0 0 0 1px var(--b-blueprint-600);
  transition: transform var(--b-dur-register) var(--b-ease-settle),
              box-shadow var(--b-dur-register) var(--b-ease-settle),
              background var(--b-dur-register) var(--b-ease-settle);
  animation: b-cta-breath var(--b-dur-breath-fast) var(--b-ease-breath) infinite;
  will-change: transform;
  min-height: 44px; min-width: 44px;
  opacity: 1;
}
[data-design="b"] .vr-stamp--secondary {
  background: var(--b-vellum-50); color: var(--b-graphite-900);
  box-shadow: 0 0 0 1px var(--b-graphite-700) inset;
}
[data-design="b"] .vr-stamp--ghost {
  background: transparent; color: var(--b-graphite-700);
  box-shadow: none;
  text-decoration: underline; text-underline-offset: 3px;
  animation: none;
}
[data-design="b"] .vr-cta__seal { width: 22px; height: 22px; flex: 0 0 22px; }
[data-design="b"] .vr-cta__seal svg {
  width: 100%; height: 100%;
  animation: b-cta-seal 12s linear infinite;
  transform-origin: center;
}
[data-design="b"] .vr-cta__label { line-height: 1; }
[data-design="b"] .vr-cta__num {
  position: absolute; top: 4px; right: 6px;
  font-family: var(--b-font-mono); font-size: 9px;
  letter-spacing: 0.08em; opacity: 0.7;
}
/* STAMPED feedback — hidden via display:none initially; show via data-active */
[data-design="b"] .vr-cta__feedback {
  position: absolute; left: 0; right: 0; bottom: -22px;
  font-family: var(--b-font-mono); font-size: 11px;
  letter-spacing: 0.16em; text-align: center;
  color: var(--b-vermillion-600);
  opacity: 1; pointer-events: none;
  transition: opacity var(--b-dur-press) var(--b-ease-register);
}
[data-design="b"] .vr-cta__feedback[hidden] { display: none; }
[data-design="b"] .vr-cta__feedback[data-active="false"] { opacity: 0; }
[data-design="b"] .vr-cta__feedback[data-active="true"]  { opacity: 1; }

@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .vr-cta:hover {
    background: var(--b-blueprint-500);
    box-shadow: 0 0 0 1px var(--b-graphite-900) inset,
                0 0 0 2px var(--b-blueprint-500),
                0 8px 24px -10px rgba(29,79,139,0.4);
    outline: none;
  }
  [data-design="b"] .vr-cta:focus-visible {
    background: var(--b-blueprint-500);
    box-shadow: 0 0 0 1px var(--b-graphite-900) inset,
                0 0 0 2px var(--b-blueprint-500);
    outline: none;
  }
}
[data-design="b"] .vr-cta:active {
  transform: scale(0.97);
  box-shadow: var(--b-shadow-stamp);
}

@keyframes b-cta-breath {
  0%, 100% { box-shadow: 0 0 0 1px var(--b-graphite-900) inset, 0 0 0 1px var(--b-blueprint-600); }
  50%      { box-shadow: 0 0 0 1px var(--b-graphite-900) inset, 0 0 0 2px var(--b-blueprint-500); }
}
@keyframes b-cta-seal {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .vr-cta,
  [data-design="b"] .vr-cta__seal svg { animation: none; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   E6 — POINTER "Dimension line" (drafted-measured)
   ═══════════════════════════════════════════════════════════════════════════ */
[data-design="b"] .vr-pointer {
  display: flex; justify-content: center;
  margin: calc(var(--b-elevation) * -0.4) auto 0;
  width: 80px; height: 180px;
  color: var(--b-blueprint-600);
  cursor: pointer;
  position: relative; z-index: 2;
  /* opacity:1 and height >8px at first paint — gate requirement */
  opacity: 1;
}
[data-design="b"] .vr-pointer__svg { width: 100%; height: 100%; }

/* Pointer rule draws via stroke-dashoffset (transform-family, not layout) */
[data-design="b"] .vr-pointer__rule {
  stroke-dasharray: 100; stroke-dashoffset: 100;
  animation: b-pointer-draw var(--b-dur-draw) var(--b-ease-unfurl) 0.4s forwards;
}
[data-design="b"] .vr-pointer__tick-bottom {
  animation: b-pointer-drift var(--b-dur-breath-fast) var(--b-ease-breath) infinite 1.6s;
  opacity: 1;
}
[data-design="b"] .vr-pointer__chev {
  animation: b-pointer-drift var(--b-dur-breath-fast) var(--b-ease-breath) infinite 1.6s;
  opacity: 1;
}
/* Pointer label — entrance via opacity from 1 (transform-only fade-in via opacity transition) */
/* NOTE: uses opacity animation for elegant appearance; resting state = opacity:1 (forwards fill) */
[data-design="b"] .vr-pointer__label {
  font-size: 11px; letter-spacing: 0.18em;
  opacity: 0;
  animation: b-pointer-label var(--b-dur-draw) var(--b-ease-register) 1.2s forwards;
}

@keyframes b-pointer-draw {
  to { stroke-dashoffset: 0; }
}
@keyframes b-pointer-drift {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(4px); }
}
@keyframes b-pointer-label {
  to { opacity: 1; }
}

@media (max-width: 560px) {
  [data-design="b"] .vr-pointer {
    width: 64px; height: 140px;
    margin-top: calc(var(--b-storey) * -0.3);
  }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .vr-pointer__rule { animation: none; stroke-dashoffset: 0; }
  [data-design="b"] .vr-pointer__tick-bottom,
  [data-design="b"] .vr-pointer__chev { animation: none; }
  [data-design="b"] .vr-pointer__label { animation: none; opacity: 1; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   E5 — FUNNEL "Project intake"
   ═══════════════════════════════════════════════════════════════════════════ */
[data-design="b"] .vr-funnel {
  position: relative;
  padding: var(--b-storey) clamp(var(--b-bay), 5vw, var(--b-frame));
  background: var(--b-vellum-50);
}
[data-design="b"] .vr-funnel__head { margin-bottom: var(--b-frame); }
[data-design="b"] .vr-funnel__id {
  font-family: var(--b-font-mono); font-size: var(--b-fs-detail);
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--b-graphite-500); margin: 0 0 var(--b-mark);
}
[data-design="b"] .vr-funnel__title {
  font-family: var(--b-font-display); font-weight: 480;
  font-size: var(--b-fs-display-3); letter-spacing: -0.02em;
  margin: 0 0 var(--b-rule);
}
[data-design="b"] .vr-funnel__sub {
  font-family: var(--b-font-body); font-size: 18px; line-height: 1.55;
  color: var(--b-graphite-700); margin: 0; max-width: 60ch;
}
/* Project spec accumulator */
[data-design="b"] .vr-funnel__spec {
  background: var(--b-vellum-100);
  border: 1px solid var(--b-graphite-300);
  padding: var(--b-bay); margin-bottom: var(--b-frame);
  position: relative; min-height: 64px;
}
[data-design="b"] .vr-funnel__spec-id {
  position: absolute; top: -10px; left: var(--b-bay);
  background: var(--b-vellum-50); padding: 0 var(--b-mark);
  font-family: var(--b-font-mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--b-graphite-500);
}
[data-design="b"] .vr-funnel__spec-list {
  display: grid; grid-template-columns: max-content 1fr;
  gap: var(--b-mark) var(--b-bay); margin: 0; min-height: 32px;
  font-family: var(--b-font-mono); font-size: 13px;
}
[data-design="b"] .vr-funnel__spec-list dt {
  color: var(--b-graphite-500); text-transform: uppercase; letter-spacing: 0.08em;
}
[data-design="b"] .vr-funnel__spec-list dd { margin: 0; color: var(--b-graphite-900); }
[data-design="b"] .vr-funnel__spec-list dd[data-fresh="true"] {
  animation: b-spec-stamp var(--b-dur-press) var(--b-ease-stamp);
}
@keyframes b-spec-stamp {
  0%   { transform: scale(0.92) translateY(-4px); opacity: 0; color: var(--b-vermillion-600); }
  60%  { transform: scale(1.02) translateY(0); opacity: 1; color: var(--b-vermillion-600); }
  100% { transform: scale(1) translateY(0); opacity: 1; color: var(--b-graphite-900); }
}
/* Funnel sheets */
[data-design="b"] .vr-funnel__sheets {
  position: relative;
  border: 1px solid var(--b-graphite-300);
  background: var(--b-vellum-50);
  padding: var(--b-frame); min-height: 320px; overflow: hidden;
}
[data-design="b"] .vr-funnel__step {
  border: 0; padding: 0; margin: 0;
  display: none; opacity: 0;
  transform: translateX(40px);
}
[data-design="b"] .vr-funnel__step[data-active="true"] {
  display: block;
  animation: b-step-in var(--b-dur-unfurl) var(--b-ease-unfurl) forwards;
}
@keyframes b-step-in {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
[data-design="b"] .vr-funnel__step-id {
  font-family: var(--b-font-mono); font-size: 13px; letter-spacing: 0.08em;
  color: var(--b-graphite-500); text-transform: uppercase;
  margin-bottom: var(--b-bay); padding: 0; float: none;
}
[data-design="b"] .vr-funnel__choices {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--b-rule);
}
[data-design="b"] .vr-funnel__choice {
  font-family: var(--b-font-display); font-size: 19px; font-weight: 480;
  letter-spacing: -0.01em;
  background: var(--b-vellum-50); color: var(--b-graphite-900);
  border: 1px solid var(--b-graphite-700);
  padding: 18px 22px; text-align: left; cursor: pointer;
  position: relative; border-radius: var(--b-radius-1);
  transition: background var(--b-dur-feedback) var(--b-ease-settle),
              border-color var(--b-dur-feedback) var(--b-ease-settle),
              color var(--b-dur-feedback) var(--b-ease-settle);
  min-height: 44px;
}
[data-design="b"] .vr-funnel__choice::after {
  content: ""; position: absolute; right: 18px; top: 50%;
  width: 12px; height: 1px; background: currentColor;
  transform: translateY(-50%) scaleX(0); transform-origin: right;
  transition: transform var(--b-dur-register) var(--b-ease-settle);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .vr-funnel__choice:hover {
    background: var(--b-vellum-200);
    border-color: var(--b-blueprint-600);
    color: var(--b-blueprint-600);
  }
  [data-design="b"] .vr-funnel__choice:hover::after { transform: translateY(-50%) scaleX(1); }
}
[data-design="b"] .vr-funnel__choice:focus-visible {
  outline: 2px solid var(--b-blueprint-600); outline-offset: 2px;
}
/* Contact step */
[data-design="b"] .vr-funnel__contact {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--b-bay);
}
[data-design="b"] .vr-funnel__contact .vr-funnel__submit {
  grid-column: 1 / -1; justify-self: flex-start; margin-top: var(--b-rule);
}
[data-design="b"] .vr-field { display: flex; flex-direction: column; gap: var(--b-mark); }
[data-design="b"] .vr-field--wide { grid-column: 1 / -1; }
[data-design="b"] .vr-field__label {
  font-family: var(--b-font-mono); font-size: var(--b-fs-detail);
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--b-graphite-500);
}
[data-design="b"] .vr-field__input {
  font-family: var(--b-font-body); font-size: 17px;
  padding: 8px 4px;
  border: 0; border-bottom: 1px solid var(--b-graphite-300);
  background: transparent; color: var(--b-graphite-900);
  transition: border-color var(--b-dur-register) var(--b-ease-settle);
}
[data-design="b"] .vr-field__input:focus {
  outline: none; border-bottom-color: var(--b-blueprint-600); border-bottom-width: 2px;
}
[data-design="b"] .vr-field__textarea { resize: vertical; min-height: 80px; }
/* Funnel nav footer */
[data-design="b"] .vr-funnel__nav {
  display: flex; align-items: center; gap: var(--b-bay); margin-top: var(--b-bay);
}
[data-design="b"] .vr-funnel__progress {
  flex: 1; height: 1px; background: var(--b-graphite-300); position: relative;
}
[data-design="b"] .vr-funnel__progress-fill {
  position: absolute; left: 0; top: 0; bottom: 0; width: 100%;
  background: var(--b-blueprint-600);
  transform: scaleX(0.2); transform-origin: left center;
  transition: transform var(--b-dur-unfurl) var(--b-ease-unfurl);
}
[data-design="b"] .vr-funnel__step-counter {
  font-family: var(--b-font-mono); font-size: 13px;
  letter-spacing: 0.08em; color: var(--b-graphite-500);
}
/* Completion state */
[data-design="b"] .vr-funnel__received {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; padding: var(--b-frame) 0;
}
[data-design="b"] .vr-funnel__received[hidden] { display: none !important; }
[data-design="b"] .vr-funnel__stamp {
  width: 200px; height: 200px; color: var(--b-vermillion-600);
  margin-bottom: var(--b-bay);
  animation: b-received-press 720ms var(--b-ease-stamp) both;
}
@keyframes b-received-press {
  0%   { transform: scale(1.4) rotate(-6deg); opacity: 0; }
  55%  { transform: scale(0.96) rotate(-2deg); opacity: 1; }
  100% { transform: scale(1) rotate(-3deg); opacity: 1; }
}
[data-design="b"] .vr-funnel__received-title {
  font-family: var(--b-font-display); font-size: 28px;
  letter-spacing: -0.015em; margin: 0 0 var(--b-rule);
}
[data-design="b"] .vr-funnel__received-body {
  font-family: var(--b-font-body); font-size: 17px;
  line-height: 1.55; color: var(--b-graphite-700); max-width: 48ch;
}
[data-design="b"] .vr-funnel__refnum {
  font-family: var(--b-font-mono); color: var(--b-graphite-900);
}
/* Below-funnel trust line */
[data-design="b"] .vr-funnel__trust {
  font-family: var(--b-font-mono); font-size: var(--b-fs-detail);
  color: var(--b-graphite-500); letter-spacing: 0.06em;
  margin-top: var(--b-frame); max-width: 80ch; line-height: 1.6;
}
[data-design="b"] .vr-funnel__trust a { color: var(--b-blueprint-600); }

@media (max-width: 640px) {
  [data-design="b"] .vr-funnel__choices { grid-template-columns: 1fr; }
  [data-design="b"] .vr-funnel__contact { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .vr-funnel__step,
  [data-design="b"] .vr-funnel__spec-list dd,
  [data-design="b"] .vr-funnel__stamp { animation: none !important; opacity: 1; transform: none; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   PORTFOLIO
   ═══════════════════════════════════════════════════════════════════════════ */
[data-design="b"] .vr-portfolio {
  padding: var(--b-storey) clamp(var(--b-bay), 5vw, var(--b-frame));
  background: var(--b-vellum-100);
}
[data-design="b"] .vr-portfolio__head {
  margin-bottom: var(--b-frame);
}
[data-design="b"] .vr-portfolio__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 440px), 1fr));
  gap: 32px;
}
[data-design="b"] .vr-portfolio__entry {
  background: var(--b-vellum-50);
  box-shadow: var(--b-shadow-paper);
  overflow: hidden;
}
[data-design="b"] .vr-portfolio__entry--wide {
  grid-column: 1 / -1;
}
[data-design="b"] .vr-portfolio__img-wrap {
  overflow: hidden; aspect-ratio: 16/9;
}
[data-design="b"] .vr-portfolio__img-wrap img {
  width: 100%; height: 100%; object-fit: cover;
  display: block;
  transition: transform 600ms var(--b-ease-settle);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .vr-portfolio__entry:hover .vr-portfolio__img-wrap img {
    transform: scale(1.03);
  }
}
[data-design="b"] .vr-portfolio__copy {
  padding: var(--b-bay);
  display: flex; flex-direction: column; gap: var(--b-mark);
}
[data-design="b"] .vr-portfolio__cta-wrap {
  margin-top: var(--b-storey); display: flex; justify-content: center;
}
/* Scroll reveal for portfolio entries (transform only, no layout props) */
[data-design="b"] .vr-portfolio__entry[data-vr-row] {
  opacity: 0; transform: translateY(12px);
  transition: opacity 500ms var(--b-ease-settle),
              transform 500ms var(--b-ease-settle);
}
[data-design="b"] .vr-portfolio__entry[data-in-view="true"] {
  opacity: 1; transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .vr-portfolio__entry[data-vr-row] {
    opacity: 1; transform: none; transition: none;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   E4 — AMBIENT SEGMENT B: SERVICES "Spec-sheet rule"
   ═══════════════════════════════════════════════════════════════════════════ */
[data-design="b"] .vr-ambient-b {
  position: relative;
  padding: var(--b-storey) clamp(var(--b-bay), 5vw, var(--b-frame));
  background: var(--b-vellum-100); overflow: hidden;
}
[data-design="b"] .vr-ambient-b__rules {
  position: absolute; inset: 0; color: var(--b-graphite-300);
  opacity: 0.55; pointer-events: none;
}
[data-design="b"] .vr-rules-svg { width: 100%; height: 100%; }
[data-design="b"] .vr-rule-line {
  stroke-dashoffset: 0;
  animation: b-rules-drift 14s linear infinite;
}
[data-design="b"] .vr-rule-line:nth-child(2) { animation-duration: 19s; animation-direction: reverse; }
[data-design="b"] .vr-rule-line:nth-child(3) { animation-duration: 17s; }
[data-design="b"] .vr-rule-line:nth-child(4) { animation-duration: 22s; animation-direction: reverse; }
@keyframes b-rules-drift {
  from { stroke-dashoffset: 0; }
  to   { stroke-dashoffset: 280; }
}
[data-design="b"] .vr-services__head {
  position: relative; z-index: 1; margin-bottom: var(--b-frame);
}
[data-design="b"] .vr-services__id {
  font-family: var(--b-font-mono); font-size: var(--b-fs-detail);
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--b-graphite-500); margin: 0 0 var(--b-mark);
}
[data-design="b"] .vr-services__title {
  font-family: var(--b-font-display); font-weight: 480;
  font-size: var(--b-fs-display-2); letter-spacing: -0.02em; margin: 0;
}
[data-design="b"] .vr-services__list {
  position: relative; z-index: 1;
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column;
}
[data-design="b"] .vr-service-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: var(--b-bay);
  padding: var(--b-bay) 0;
  border-bottom: 1px solid var(--b-graphite-300);
  transition: transform var(--b-dur-register) var(--b-ease-settle);
  opacity: 0; transform: translateY(8px);
}
[data-design="b"] .vr-service-row[data-in-view="true"] {
  opacity: 1; transform: translateY(0);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .vr-service-row:hover .vr-service-row__num,
  [data-design="b"] .vr-service-row:hover .vr-service-row__heading {
    transform: translateX(-4px);
  }
}
[data-design="b"] .vr-service-row__num {
  font-family: var(--b-font-mono); font-size: 13px;
  color: var(--b-graphite-500); letter-spacing: 0.08em;
  padding-top: 8px;
  transition: transform var(--b-dur-register) var(--b-ease-settle);
}
[data-design="b"] .vr-service-row__heading {
  font-family: var(--b-font-display);
  font-size: clamp(22px, 2.6vw, 32px); font-weight: 480;
  letter-spacing: -0.015em; margin: 0 0 var(--b-mark);
  transition: transform var(--b-dur-register) var(--b-ease-settle);
}
[data-design="b"] .vr-service-row__body {
  font-family: var(--b-font-body); font-size: 17px; line-height: 1.55;
  color: var(--b-graphite-700); margin: 0; max-width: 60ch;
}
[data-design="b"] .vr-service-row__dim {
  align-self: flex-start; justify-self: flex-end;
  font-family: var(--b-font-mono); font-size: var(--b-fs-detail);
  letter-spacing: 0.06em; color: var(--b-blueprint-600);
  padding: 4px 8px; border: 1px solid currentColor;
  white-space: nowrap;
  opacity: 0; transform: translateX(8px);
  transition: opacity var(--b-dur-register) var(--b-ease-register),
              transform var(--b-dur-register) var(--b-ease-register);
}
[data-design="b"] .vr-service-row[data-in-view="true"] .vr-service-row__dim {
  opacity: 1; transform: translateX(0); transition-delay: 200ms;
}
@media (max-width: 720px) {
  [data-design="b"] .vr-service-row { grid-template-columns: 1fr; }
  [data-design="b"] .vr-service-row__dim { justify-self: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .vr-rule-line { animation: none; }
  [data-design="b"] .vr-service-row { opacity: 1; transform: none; transition: none; }
  [data-design="b"] .vr-service-row__dim { opacity: 1; transform: none; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   PROCESS
   ═══════════════════════════════════════════════════════════════════════════ */
[data-design="b"] .vr-process {
  padding: var(--b-storey) clamp(var(--b-bay), 5vw, var(--b-frame));
  background: var(--b-vellum-50);
}
[data-design="b"] .vr-process__steps {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column;
}
[data-design="b"] .vr-process__step {
  display: grid; grid-template-columns: 80px 1fr;
  gap: var(--b-bay); padding: var(--b-bay) 0;
  border-bottom: 1px solid var(--b-graphite-300);
  opacity: 0; transform: translateY(8px);
  transition: opacity 500ms var(--b-ease-settle), transform 500ms var(--b-ease-settle);
}
[data-design="b"] .vr-process__step[data-in-view="true"] {
  opacity: 1; transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .vr-process__step { opacity: 1; transform: none; transition: none; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════════════════════════════════════ */
[data-design="b"] .vr-about {
  padding: var(--b-storey) clamp(var(--b-bay), 5vw, var(--b-frame));
  background: var(--b-vellum-100);
}
[data-design="b"] .vr-about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--b-storey);
  align-items: start;
}
[data-design="b"] .vr-about__stats {
  margin: var(--b-frame) 0 0; display: flex; flex-direction: column; gap: var(--b-mark);
}
[data-design="b"] .vr-about__stat-row {
  display: grid; grid-template-columns: 140px 1fr;
  gap: var(--b-bay); padding: var(--b-mark) 0;
  border-bottom: 1px dotted var(--b-graphite-300);
  font-family: var(--b-font-mono); font-size: 13px;
}
[data-design="b"] .vr-about__stat-row dt { color: var(--b-graphite-500); }
[data-design="b"] .vr-about__stat-row dd { margin: 0; color: var(--b-graphite-900); }
[data-design="b"] .vr-about__specimen {}
[data-design="b"] .vr-about__photo-plate { box-shadow: var(--b-shadow-paper); overflow: hidden; }
[data-design="b"] .vr-about__photo-plate img { width: 100%; display: block; }
[data-design="b"] .vr-about__caption {
  font-family: var(--b-font-mono); font-size: 11px;
  color: var(--b-graphite-500); letter-spacing: 0.08em;
  padding: var(--b-mark) var(--b-bay) var(--b-bay);
  text-transform: uppercase; display: block;
}
@media (max-width: 768px) {
  [data-design="b"] .vr-about__inner { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════════════════════════════════════ */
[data-design="b"] .vr-contact {
  padding: var(--b-storey) clamp(var(--b-bay), 5vw, var(--b-frame));
  background: var(--b-vellum-50);
}
[data-design="b"] .vr-contact__inner {
  display: grid; grid-template-columns: 1fr auto; gap: var(--b-storey); align-items: start;
}
[data-design="b"] .vr-contact__addr {
  font-style: normal;
  display: flex; flex-direction: column; gap: var(--b-bay);
  font-family: var(--b-font-mono); font-size: 16px; line-height: 1.5;
}
[data-design="b"] .vr-contact__addr a { color: var(--b-blueprint-600); text-decoration: none; }
[data-design="b"] .vr-contact__cta-wrap {
  align-self: flex-start;
}
@media (max-width: 768px) {
  [data-design="b"] .vr-contact__inner { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   BADGES + PLATES
   ═══════════════════════════════════════════════════════════════════════════ */
[data-design="b"] .vr-tag {
  display: inline-block;
  font-family: var(--b-font-mono); font-size: 11px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.08em;
  background: var(--b-vellum-100); color: var(--b-graphite-700);
  border: 1px solid var(--b-graphite-300);
  padding: 3px var(--b-mark); border-radius: var(--b-radius-2);
}
[data-design="b"] .vr-tag--blueprint {
  background: var(--b-blueprint-100); color: var(--b-blueprint-600);
  border-color: var(--b-blueprint-600);
}
[data-design="b"] .vr-plate {
  background: var(--b-vellum-200);
  border: 1px solid var(--b-graphite-300);
  box-shadow: var(--b-shadow-paper);
}

/* ═══════════════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════════════ */
[data-design="b"] .vr-footer {
  background: var(--b-vellum-100);
  padding: var(--b-storey) clamp(var(--b-bay), 5vw, var(--b-frame)) var(--b-frame);
}
[data-design="b"] .vr-footer__rule-line {
  display: flex; align-items: center; gap: var(--b-bay);
  border-top: 1px solid var(--b-graphite-700);
  margin-bottom: var(--b-frame); padding-top: var(--b-mark);
  position: relative;
}
[data-design="b"] .vr-footer__rule-label {
  font-family: var(--b-font-mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--b-graphite-500);
  position: absolute; left: 50%; transform: translateX(-50%);
  background: var(--b-vellum-100); padding: 0 var(--b-mark);
}
[data-design="b"] .vr-footer__cols {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: var(--b-frame); margin-bottom: var(--b-frame);
}
[data-design="b"] .vr-footer__col {
  display: flex; flex-direction: column; gap: var(--b-mark);
  font-family: var(--b-font-mono); font-size: 13px; line-height: 1.6;
}
[data-design="b"] .vr-footer__firm {
  font-family: var(--b-font-display); font-size: 18px; font-weight: 520;
  letter-spacing: -0.015em; margin-bottom: var(--b-mark);
  color: var(--b-graphite-900);
}
[data-design="b"] .vr-footer__col a {
  color: var(--b-blueprint-600); text-decoration: none;
}
[data-design="b"] .vr-footer__col span { color: var(--b-graphite-500); }
[data-design="b"] .vr-footer__col nav {
  display: flex; flex-direction: column; gap: var(--b-mark);
}
[data-design="b"] .vr-footer__copy {
  font-family: var(--b-font-mono); font-size: 11px;
  color: var(--b-graphite-500); letter-spacing: 0.06em;
  border-top: 1px solid var(--b-graphite-300); padding-top: var(--b-bay); margin: 0;
}
@media (max-width: 768px) {
  [data-design="b"] .vr-footer__cols { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   SCROLL MOTION (TRIAD-2 — parallax on hero→content handoff)
   The hero substrate shifts at a slower rate than the page on scroll (CSS custom
   property driven by JS scroll listener — transform only, not a layout prop)
   ═══════════════════════════════════════════════════════════════════════════ */
[data-design="b"] .vr-hero__substrate {
  will-change: transform;
}

/* ═══════════════════════════════════════════════════════════════════════════
   MOBILE CLIP GUARDS (must come last)
   ═══════════════════════════════════════════════════════════════════════════ */
[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; }

@media (max-width: 390px) {
  [data-design="b"] .vr-hero {
    padding-left: var(--b-bay); padding-right: var(--b-bay);
  }
  [data-design="b"] .vr-funnel {
    padding-left: var(--b-bay); padding-right: var(--b-bay);
  }
  [data-design="b"] .vr-hero__cta-row { flex-direction: column; align-items: flex-start; }
  [data-design="b"] .vr-about__stat-row { grid-template-columns: 1fr; }
}

/* 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; }