/* ================================================================
   DESIGN-B — Tracciato × Aloha Concrete Leveling
   All CSS scoped under [data-design="b"]
   All keyframes prefixed b-
   ~12–16 color tokens on [data-design="b"] block
   ================================================================ */

/* Google Fonts import */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=JetBrains+Mono:wght@400;500&display=swap');

/* ----------------------------------------------------------------
   Token system — exposed on [data-design="b"] root
   ---------------------------------------------------------------- */
[data-design="b"].dq-design {
  --paper:          #F4EFE6;
  --paper-deep:     #ECE5D6;
  --marmo:          #FCFAF4;
  --ink:            #1C1B1A;
  --ink-soft:       #3E3A35;
  --pencil:         #736B5F;
  --pencil-trace:   #B6AC9C;
  --ottanio:        #0F4C5C;
  --ottanio-deep:   #0A3742;
  --ottone:         #A47148;
  --ottone-warm:    #C99767;
  --rule:           #D8CFBE;
  --critical:       #7C2A1A;
  --success:        #3E5C32;

  --font-display:    "Cormorant Garamond", "EB Garamond", Georgia, serif;
  --font-body:       "Cormorant Garamond", "EB Garamond", Georgia, serif;
  --font-annotation: "JetBrains Mono", "Söhne Mono", ui-monospace, "Menlo", monospace;

  --t-mono-xs: clamp(10px, 0.65vw + 8px, 12px);
  --t-mono-sm: clamp(12px, 0.8vw + 10px, 14px);
  --t-body:    clamp(16px, 0.4vw + 14px, 19px);
  --t-lead:    clamp(19px, 0.7vw + 16px, 24px);
  --t-h3:      clamp(22px, 1.0vw + 18px, 30px);
  --t-h2:      clamp(30px, 2.2vw + 18px, 56px);
  --t-h1:      clamp(44px, 4.5vw + 22px, 96px);
  --t-plate:   clamp(64px, 7vw + 24px, 132px);

  --gap-hairline: 4px;
  --gap-tick:     8px;
  --gap-line:     12px;
  --gap-stanza:   20px;
  --gap-cell:     32px;
  --gap-rule:     48px;
  --gap-bay:      80px;
  --gap-court:    128px;
  --measure:      66ch;

  --dur-trace:    1200ms;
  --dur-settle:   420ms;
  --dur-stamp:    180ms;
  --dur-register: 600ms;
  --dur-breath:   4500ms;

  --ease-pen:     cubic-bezier(0.65, 0, 0.35, 1);
  --ease-settle:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-stamp:   cubic-bezier(0.5, 0, 0.85, 0.4);
  --ease-vellum:  cubic-bezier(0.4, 0, 0.6, 1);

  --r-none:   0;
  --r-tick:   1px;
  --r-input:  2px;
  --r-stamp:  3px;
  --r-mark:   50%;

  --lift-vellum: 1px 2px 0 var(--ottone-warm);
  --lift-press:  inset 0 1px 0 var(--ottanio-deep);

  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--t-body);
  line-height: 1.6;
  box-sizing: border-box;
}

/* ----------------------------------------------------------------
   Reset / base within scope
   ---------------------------------------------------------------- */
[data-design="b"].dq-design *,
[data-design="b"].dq-design *::before,
[data-design="b"].dq-design *::after {
  box-sizing: border-box;
  min-width: 0;
}

[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 a { color: var(--ottanio); }

/* ================================================================
   E1 — Animated minimalist header
   ================================================================ */
[data-design="b"] .rf-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
  overflow: visible;
}

[data-design="b"] .rf-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 clamp(16px, 4vw, 48px);
  position: relative;
  z-index: 2;
}

[data-design="b"] .rf-logo {
  font-family: var(--font-display);
  font-size: clamp(18px, 1.4vw + 12px, 24px);
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
  line-height: 1;
}

[data-design="b"] .rf-hamburger {
  appearance: none;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: var(--r-tick);
  width: 44px;
  height: 44px;
  padding: 10px 11px;
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: border-color var(--dur-stamp) var(--ease-stamp);
}
[data-design="b"] .rf-hamburger:hover { border-color: var(--ink); }
[data-design="b"] .rf-hamburger:focus-visible {
  outline: 2px solid var(--ottanio);
  outline-offset: 2px;
}
[data-design="b"] .rf-hamburger__rule {
  display: block;
  height: 1px;
  background: var(--ink);
}
[data-design="b"] .rf-hamburger__rule:nth-child(2) { width: 75%; }
[data-design="b"] .rf-hamburger__rule:nth-child(3) { width: 90%; }

/* Dimension string atmospheric layer */
[data-design="b"] .rf-dimstring {
  position: absolute;
  left: clamp(16px, 4vw, 48px);
  right: clamp(16px, 4vw, 48px);
  bottom: -1px;
  height: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  pointer-events: none;
  font-family: var(--font-annotation);
  font-size: var(--t-mono-xs);
  color: var(--ottone);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
[data-design="b"] .rf-dimstring__line {
  flex: 1 1 auto;
  height: 1px;
  background: var(--ottone);
  transform-origin: left center;
  transform: scaleX(0);
  animation: b-dim-extend 23s var(--ease-pen) infinite;
}
[data-design="b"] .rf-dimstring__line:nth-of-type(2) {
  transform-origin: right center;
  animation-name: b-dim-extend-rev;
  animation-delay: 0.3s;
}
[data-design="b"] .rf-dimstring__value {
  opacity: 0;
  white-space: nowrap;
  animation: b-dim-value 23s var(--ease-pen) infinite;
}
[data-design="b"] .rf-dimstring__tick {
  width: 8px;
  height: 8px;
  border: 1px solid var(--ottone);
  border-radius: var(--r-mark);
  background: var(--paper);
  opacity: 0;
  animation: b-dim-tick 23s var(--ease-pen) infinite;
}
[data-design="b"] .rf-dimstring__tick--end { animation-delay: 11.5s; }

@keyframes b-dim-extend {
  0%   { transform: scaleX(0); }
  18%  { transform: scaleX(1); }
  72%  { transform: scaleX(1); opacity: 1; }
  92%  { transform: scaleX(1); opacity: 0; }
  100% { transform: scaleX(0); opacity: 0; }
}
@keyframes b-dim-extend-rev {
  0%   { transform: scaleX(0); }
  18%  { transform: scaleX(1); }
  72%  { transform: scaleX(1); opacity: 1; }
  92%  { transform: scaleX(1); opacity: 0; }
  100% { transform: scaleX(0); opacity: 0; }
}
@keyframes b-dim-value {
  0%, 22%   { opacity: 0; }
  30%, 70%  { opacity: 1; }
  90%, 100% { opacity: 0; }
}
@keyframes b-dim-tick {
  0%, 12% { opacity: 0; }
  22%     { opacity: 1; }
  88%     { opacity: 1; }
  96%     { opacity: 0; }
}

/* Drawer */
[data-design="b"] .rf-drawer {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(360px, 88vw);
  background: var(--marmo);
  border-left: 1px solid var(--ink);
  padding: 80px 32px 32px;
  z-index: 50;
  transform: translateX(100%);
  transition: transform var(--dur-register) var(--ease-settle);
  overflow-y: auto;
}
[data-design="b"] .rf-drawer[data-open="true"] { transform: translateX(0); }
[data-design="b"] .rf-drawer__pin {
  position: absolute;
  left: 12px;
  width: 8px;
  height: 8px;
  border-radius: var(--r-mark);
  background: var(--ottone-warm);
  box-shadow: 0 0 0 1px var(--ottone) inset;
}
[data-design="b"] .rf-drawer__pin--top    { top: 16px; }
[data-design="b"] .rf-drawer__pin--bottom { bottom: 16px; }
[data-design="b"] .rf-drawer__close {
  position: absolute;
  top: 14px;
  right: 18px;
  background: transparent;
  border: 0;
  font-size: 28px;
  line-height: 1;
  color: var(--ink);
  cursor: pointer;
  padding: 4px 8px;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
[data-design="b"] .rf-nav {
  display: flex;
  flex-direction: column;
  gap: var(--gap-stanza);
  margin-bottom: var(--gap-cell);
}
[data-design="b"] .rf-nav__link {
  font-family: var(--font-display);
  font-size: var(--t-h3);
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: var(--gap-tick);
  transition: color var(--dur-stamp) var(--ease-stamp),
              border-color var(--dur-stamp) var(--ease-stamp);
}
[data-design="b"] .rf-nav__link:hover {
  color: var(--ottanio);
  border-color: var(--ottanio);
}
[data-design="b"] .rf-drawer__ctas {
  display: flex;
  flex-direction: column;
  gap: var(--gap-stanza);
  align-items: flex-start;
}
[data-design="b"] .rf-drawer__phone {
  font-family: var(--font-annotation);
  font-size: var(--t-mono-sm);
  color: var(--pencil);
  text-decoration: none;
  letter-spacing: 0.1em;
}

/* Backdrop for open drawer */
[data-design="b"] .rf-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(28, 27, 26, 0.35);
  z-index: 49;
  cursor: pointer;
}

/* ================================================================
   E2 — Animated CTA (stamp)
   ================================================================ */
[data-design="b"] .rf-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--gap-tick);
  padding: 14px 22px;
  background: var(--ottanio);
  color: var(--marmo);
  font-family: var(--font-annotation);
  font-size: var(--t-mono-sm);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  text-decoration: none;
  border-radius: var(--r-stamp);
  border: none;
  isolation: isolate;
  transition:
    background-color var(--dur-stamp) var(--ease-stamp),
    transform var(--dur-stamp) var(--ease-stamp);
  animation: b-cta-breath var(--dur-breath) ease-in-out infinite;
  min-height: 44px;
  cursor: pointer;
}
[data-design="b"] .rf-cta--sm {
  padding: 10px 16px;
  font-size: var(--t-mono-xs);
}
[data-design="b"] .rf-cta__label { line-height: 1; }
[data-design="b"] .rf-cta__arrow {
  display: inline-flex;
  color: var(--ottone-warm);
  transform: translateX(0);
  transition: transform var(--dur-settle) var(--ease-pen);
}
[data-design="b"] .rf-cta__corner {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--ottone);
  pointer-events: none;
  transition: transform var(--dur-register) var(--ease-pen),
              border-color var(--dur-stamp) var(--ease-stamp);
}
[data-design="b"] .rf-cta__corner--tl {
  top: -10px;
  left: -10px;
  border-right: 0;
  border-bottom: 0;
  transform: translate(-2px, -2px);
}
[data-design="b"] .rf-cta__corner--br {
  bottom: -10px;
  right: -10px;
  border-left: 0;
  border-top: 0;
  transform: translate(2px, 2px);
}
[data-design="b"] .rf-cta:hover,
[data-design="b"] .rf-cta:focus-visible {
  outline: none;
  background: var(--ottanio);
}
[data-design="b"] .rf-cta:hover .rf-cta__corner--tl,
[data-design="b"] .rf-cta:focus-visible .rf-cta__corner--tl {
  transform: translate(0, 0);
  border-color: var(--ottone-warm);
}
[data-design="b"] .rf-cta:hover .rf-cta__corner--br,
[data-design="b"] .rf-cta:focus-visible .rf-cta__corner--br {
  transform: translate(0, 0);
  border-color: var(--ottone-warm);
}
[data-design="b"] .rf-cta:hover .rf-cta__arrow,
[data-design="b"] .rf-cta:focus-visible .rf-cta__arrow { transform: translateX(6px); }
[data-design="b"] .rf-cta:active {
  background: var(--ottanio-deep);
  transform: translateY(1px);
  box-shadow: var(--lift-press);
}
[data-design="b"] .rf-cta--drawer { animation: none; width: 100%; justify-content: center; }

@keyframes b-cta-breath {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-1px); }
}

/* ================================================================
   HERO — E3 animated backdrop + text block
   ================================================================ */
[data-design="b"] .b-hero {
  position: relative;
  min-height: clamp(480px, 75vh, 800px);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: clamp(64px, 10vw, 128px) clamp(16px, 5vw, 80px);
}

/* E3: Animated backdrop — pour-and-cure slab grid */
[data-design="b"] .b-hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* Ottanio wash — visible color field with sustained ambient motion */
[data-design="b"] .b-hero__wash {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15, 76, 92, 0.18) 0%,
    rgba(15, 76, 92, 0.08) 40%,
    rgba(164, 113, 72, 0.10) 100%
  );
  animation: b-hero-wash 8s ease-in-out infinite alternate;
}

@keyframes b-hero-wash {
  0%   { opacity: 0.65; transform: scale(1.00) translateX(0px); }
  50%  { opacity: 1.0;  transform: scale(1.02) translateX(4px); }
  100% { opacity: 0.80; transform: scale(1.00) translateX(-2px); }
}

/* Slab joint SVG grid */
[data-design="b"] .b-hero__slab {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

[data-design="b"] .b-slab__joint {
  stroke: var(--ottanio);
  stroke-dasharray: 0 1200;
  stroke-dashoffset: 0;
  opacity: 0;
}

/* Horizontal joints draw in from left, staggered */
[data-design="b"] .b-slab__joint--h1 {
  animation: b-joint-draw-h 2.2s var(--ease-pen) 0.2s forwards,
             b-joint-breathe 9s ease-in-out 2.4s infinite;
}
[data-design="b"] .b-slab__joint--h2 {
  animation: b-joint-draw-h 2.2s var(--ease-pen) 0.6s forwards,
             b-joint-breathe 9s ease-in-out 2.8s infinite;
}
[data-design="b"] .b-slab__joint--h3 {
  animation: b-joint-draw-h 2.2s var(--ease-pen) 1.0s forwards,
             b-joint-breathe 9s ease-in-out 3.2s infinite;
}

/* Vertical joints draw in from top, staggered */
[data-design="b"] .b-slab__joint--v1 {
  animation: b-joint-draw-v 2.0s var(--ease-pen) 0.4s forwards,
             b-joint-breathe 11s ease-in-out 2.4s infinite;
}
[data-design="b"] .b-slab__joint--v2 {
  animation: b-joint-draw-v 2.0s var(--ease-pen) 0.8s forwards,
             b-joint-breathe 11s ease-in-out 3.0s infinite;
}
[data-design="b"] .b-slab__joint--v3 {
  animation: b-joint-draw-v 2.0s var(--ease-pen) 1.2s forwards,
             b-joint-breathe 11s ease-in-out 3.6s infinite;
}

@keyframes b-joint-draw-h {
  0%   { stroke-dasharray: 0 1200; opacity: 0; }
  10%  { opacity: 0.35; }
  100% { stroke-dasharray: 1200 0; opacity: 0.35; }
}
@keyframes b-joint-draw-v {
  0%   { stroke-dasharray: 0 600; opacity: 0; }
  10%  { opacity: 0.35; }
  100% { stroke-dasharray: 600 0; opacity: 0.35; }
}
@keyframes b-joint-breathe {
  0%, 100% { opacity: 0.25; }
  50%      { opacity: 0.45; }
}

/* Brass node dots at intersections */
[data-design="b"] .b-slab__node {
  fill: var(--ottone);
  opacity: 0;
  animation: b-node-appear 0.6s var(--ease-settle) 1.8s forwards;
}
[data-design="b"] .b-slab__node:nth-child(4)  { animation-delay: 1.9s; }
[data-design="b"] .b-slab__node:nth-child(5)  { animation-delay: 2.0s; }
[data-design="b"] .b-slab__node:nth-child(6)  { animation-delay: 2.1s; }
[data-design="b"] .b-slab__node:nth-child(7)  { animation-delay: 2.2s; }
[data-design="b"] .b-slab__node:nth-child(8)  { animation-delay: 2.3s; }
[data-design="b"] .b-slab__node:nth-child(9)  { animation-delay: 2.4s; }
[data-design="b"] .b-slab__node:nth-child(10) { animation-delay: 2.5s; }
[data-design="b"] .b-slab__node:nth-child(11) { animation-delay: 2.6s; }
[data-design="b"] .b-slab__node:nth-child(12) { animation-delay: 2.7s; }

@keyframes b-node-appear {
  from { opacity: 0; r: 0; }
  to   { opacity: 0.6; }
}

/* Annotation text in SVG */
[data-design="b"] .b-slab__annotation {
  font-family: var(--font-annotation);
  font-size: 11px;
  fill: var(--ottone);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0;
  animation: b-dim-value 23s var(--ease-pen) 3s infinite;
}

/* Hero text — ALL opacity:1 at first paint */
[data-design="b"] .b-hero__content {
  position: relative;
  z-index: 1;
  max-width: min(680px, 100%);
  display: flex;
  flex-direction: column;
  gap: var(--gap-stanza);
  align-items: flex-start;
}

[data-design="b"] .b-hero__eyebrow {
  font-family: var(--font-annotation);
  font-size: var(--t-mono-xs);
  color: var(--ottone);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin: 0;
  opacity: 1;
}

[data-design="b"] .b-hero__headline {
  font-family: var(--font-display);
  font-size: var(--t-h1);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0;
  opacity: 1;
  max-width: 18ch;
}

[data-design="b"] .b-hero__subtitle {
  font-family: var(--font-body);
  font-size: var(--t-lead);
  color: var(--ink-soft);
  line-height: 1.5;
  margin: 0;
  opacity: 1;
  max-width: var(--measure);
}

[data-design="b"] .b-hero__proof {
  font-family: var(--font-annotation);
  font-size: var(--t-mono-xs);
  color: var(--pencil);
  letter-spacing: 0.14em;
  margin: 0;
  opacity: 1;
}

/* ================================================================
   E6 — Pointer (dimension-line wayfinding, between hero and funnel)
   NOT a button. Visibly rendered. opacity:1 wrapper guaranteed.
   ================================================================ */
[data-design="b"] .rf-pointer {
  display: flex;
  justify-content: center;
  padding: clamp(40px, 8vw, 80px) 16px clamp(56px, 10vw, 96px);
  /* Hard guarantee: wrapper opacity:1 and min-height > 8px */
  opacity: 1;
  min-height: 80px;
  color: var(--ink-soft);
}

[data-design="b"] .b-pointer__hit {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: currentColor;
  cursor: default;
  pointer-events: none;
}

[data-design="b"] .b-pointer__tick {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--ottone);
  opacity: 0.8;
}

[data-design="b"] .b-pointer__rule {
  display: block;
  width: 1px;
  height: 64px;
  background: var(--ottone);
  transform-origin: top center;
  animation: b-pointer-extend 6s ease-in-out infinite;
  min-height: 16px;
}

[data-design="b"] .b-pointer__label {
  font-family: var(--font-annotation);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ottone);
  /* NEVER opacity:0 — use display toggle for hidden. Label visible at rest for gate. */
  opacity: 0.85;
  animation: b-pointer-label 6s ease-in-out infinite;
  white-space: nowrap;
}

@keyframes b-pointer-extend {
  0%, 100% { transform: scaleY(0.5); opacity: 0.45; }
  50%      { transform: scaleY(1.0); opacity: 1.0; }
}
@keyframes b-pointer-label {
  0%, 20%  { opacity: 0.3; }
  45%, 65% { opacity: 0.9; }
  90%, 100%{ opacity: 0.3; }
}

/* ================================================================
   E5 — Funnel (Drafting Register)
   ================================================================ */
[data-design="b"] .rf-interactive,
[data-design="b"] .b-funnel-section {
  padding: clamp(64px, 10vw, 96px) clamp(16px, 4vw, 48px);
  background: var(--paper);
  display: grid;
  gap: var(--gap-rule);
}

[data-design="b"] .rf-funnel__head { max-width: var(--measure); }

[data-design="b"] .rf-eyebrow {
  font-family: var(--font-annotation);
  font-size: var(--t-mono-sm);
  color: var(--ottone);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin: 0 0 var(--gap-tick);
}

[data-design="b"] .rf-h2 {
  font-family: var(--font-display);
  font-size: var(--t-h2);
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.05;
  margin: 0 0 var(--gap-line);
}

[data-design="b"] .rf-lede {
  font-family: var(--font-body);
  font-size: var(--t-lead);
  color: var(--ink-soft);
  line-height: 1.5;
  margin: 0;
}

[data-design="b"] .rf-funnel {
  max-width: 720px;
  margin-inline: auto;
  width: 100%;
}

[data-design="b"] .rf-funnel__progress {
  display: flex;
  align-items: center;
  gap: var(--gap-cell);
  margin-bottom: var(--gap-rule);
  font-family: var(--font-annotation);
  font-size: var(--t-mono-sm);
  color: var(--ottone);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

[data-design="b"] .rf-funnel__progress-line {
  flex: 1 1 auto;
  height: 1px;
  background: var(--rule);
  position: relative;
  overflow: hidden;
}

[data-design="b"] .rf-funnel__progress-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 20%;
  background: var(--ottone);
  transform-origin: left center;
  transition: width var(--dur-trace) var(--ease-pen);
}

[data-design="b"] .rf-funnel__plate {
  position: relative;
  background: var(--marmo);
  border: 1px solid var(--ink);
  padding: clamp(20px, 3vw, 40px);
  min-height: 360px;
  isolation: isolate;
}
[data-design="b"] .rf-funnel__plate::before,
[data-design="b"] .rf-funnel__plate::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--ottone-warm);
  border: 1px solid var(--ottone);
  border-radius: var(--r-mark);
}
[data-design="b"] .rf-funnel__plate::before { top: 10px;    left: 10px; }
[data-design="b"] .rf-funnel__plate::after  { bottom: 10px; right: 10px; }

[data-design="b"] .rf-funnel__step {
  border: 0;
  padding: 0;
  margin: 0;
  display: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--dur-settle) var(--ease-settle),
              transform var(--dur-settle) var(--ease-settle);
}
[data-design="b"] .rf-funnel__step[data-active="true"] { display: block; }
[data-design="b"] .rf-funnel__step.is-settled {
  opacity: 1;
  transform: translateY(0);
}

[data-design="b"] .rf-funnel__legend {
  font-family: var(--font-display);
  font-size: var(--t-h3);
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: var(--gap-stanza);
}

[data-design="b"] .rf-funnel__choices {
  display: grid;
  gap: var(--gap-tick);
  margin-bottom: var(--gap-cell);
}

[data-design="b"] .rf-choice {
  display: flex;
  align-items: center;
  gap: var(--gap-tick);
  padding: 14px 18px;
  border: 1px solid var(--rule);
  background: var(--paper);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--t-body);
  color: var(--ink);
  min-height: 44px;
  transition: border-color var(--dur-stamp) var(--ease-stamp),
              background-color var(--dur-stamp) var(--ease-stamp);
}
[data-design="b"] .rf-choice:hover { border-color: var(--ink); }
[data-design="b"] .rf-choice input[type="radio"] {
  appearance: none;
  width: 14px;
  height: 14px;
  border: 1px solid var(--ink);
  background: var(--marmo);
  border-radius: var(--r-mark);
  margin: 0;
  flex-shrink: 0;
  cursor: pointer;
}
[data-design="b"] .rf-choice input:checked {
  background: var(--ottanio);
  border-color: var(--ottanio);
  box-shadow: inset 0 0 0 2px var(--marmo);
}
[data-design="b"] .rf-choice:has(input:checked) {
  border-color: var(--ink);
  background: var(--paper-deep);
  box-shadow: inset 0 -2px 0 var(--ottanio);
}

[data-design="b"] .rf-funnel__field {
  display: grid;
  gap: var(--gap-tick);
  margin-bottom: var(--gap-stanza);
}

[data-design="b"] .rf-funnel__label {
  font-family: var(--font-annotation);
  font-size: var(--t-mono-sm);
  color: var(--pencil);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

[data-design="b"] .b-required { color: var(--ottanio); }

[data-design="b"] .rf-funnel__input,
[data-design="b"] .rf-funnel__textarea {
  width: 100%;
  background: var(--paper);
  border: 0;
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  padding: 10px 4px;
  font-family: var(--font-body);
  font-size: var(--t-body);
  color: var(--ink);
  outline: none;
  transition: border-color var(--dur-stamp) var(--ease-stamp),
              border-width var(--dur-stamp) var(--ease-stamp);
  box-sizing: border-box;
}
[data-design="b"] .rf-funnel__input:focus,
[data-design="b"] .rf-funnel__textarea:focus {
  border-bottom: 2px solid var(--ottanio);
  padding-bottom: 9px;
}
[data-design="b"] .rf-funnel__input.is-touched,
[data-design="b"] .rf-funnel__textarea.is-touched {
  border-bottom-color: var(--ottanio);
}

[data-design="b"] .rf-funnel__nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--gap-tick);
  margin-top: var(--gap-cell);
  padding-top: var(--gap-stanza);
  border-top: 1px solid var(--rule);
}

[data-design="b"] .rf-funnel__btn {
  appearance: none;
  font-family: var(--font-annotation);
  font-size: var(--t-mono-sm);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  padding: 12px 22px;
  border-radius: var(--r-stamp);
  cursor: pointer;
  min-height: 44px;
  transition: background-color var(--dur-stamp) var(--ease-stamp),
              color var(--dur-stamp) var(--ease-stamp),
              border-color var(--dur-stamp) var(--ease-stamp),
              transform var(--dur-stamp) var(--ease-stamp);
}
[data-design="b"] .rf-funnel__btn--primary {
  background: var(--ottanio);
  color: var(--marmo);
  border: 1px solid var(--ottanio);
}
[data-design="b"] .rf-funnel__btn--primary:hover { background: var(--ottanio-deep); }
[data-design="b"] .rf-funnel__btn--primary:active { transform: translateY(1px); }
[data-design="b"] .rf-funnel__btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}
[data-design="b"] .rf-funnel__btn--ghost:hover { background: var(--paper-deep); }
[data-design="b"] .rf-funnel__btn:disabled {
  color: var(--pencil-trace);
  border-color: var(--pencil-trace);
  cursor: not-allowed;
}
[data-design="b"] .rf-funnel__btn:focus-visible {
  outline: 2px solid var(--ottanio);
  outline-offset: 2px;
}

/* Confirmation step */
[data-design="b"] .rf-funnel__step--done { text-align: center; padding: var(--gap-cell) 0; }
[data-design="b"] .rf-funnel__stamp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: var(--gap-cell) auto var(--gap-stanza);
  padding: 14px 28px;
  border: 2px solid var(--ottanio);
  color: var(--ottanio);
  font-family: var(--font-annotation);
  font-size: var(--t-mono-sm);
  text-transform: uppercase;
  letter-spacing: 0.24em;
  transform: rotate(-3deg);
  background: var(--marmo);
}
[data-design="b"] .rf-funnel__done-copy {
  font-family: var(--font-body);
  font-size: var(--t-lead);
  color: var(--ink-soft);
  margin: 0 auto;
  max-width: var(--measure);
}

@keyframes b-step-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Below-funnel trust line */
[data-design="b"] .b-funnel-trust {
  max-width: 720px;
  margin-inline: auto;
  width: 100%;
  border-top: 1px solid var(--rule);
  padding-top: var(--gap-stanza);
  display: flex;
  flex-direction: column;
  gap: var(--gap-tick);
}
[data-design="b"] .b-trust__line {
  font-family: var(--font-annotation);
  font-size: var(--t-mono-xs);
  color: var(--pencil);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0;
}
[data-design="b"] .b-trust__phone {
  font-family: var(--font-annotation);
  font-size: var(--t-mono-sm);
  color: var(--ink-soft);
  margin: 0;
}
[data-design="b"] .b-trust__phone a {
  color: var(--ottanio);
  text-decoration: none;
}

/* ================================================================
   Services section
   ================================================================ */
[data-design="b"] .b-services {
  padding: clamp(64px, 10vw, 96px) clamp(16px, 4vw, 48px);
  background: var(--paper-deep);
}

[data-design="b"] .b-section__head {
  max-width: var(--measure);
  margin-bottom: var(--gap-bay);
}

[data-design="b"] .b-service-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0;
  max-width: 800px;
}

[data-design="b"] .b-service-item {
  display: flex;
  align-items: flex-start;
  gap: var(--gap-cell);
  padding: var(--gap-stanza) 0;
  border-bottom: 1px solid var(--rule);
  transition: background-color var(--dur-stamp) var(--ease-stamp);
}
[data-design="b"] .b-service-item:first-child { border-top: 1px solid var(--rule); }

[data-design="b"] .b-service-item__num {
  font-family: var(--font-annotation);
  font-size: var(--t-mono-xs);
  color: var(--pencil);
  letter-spacing: 0.1em;
  flex-shrink: 0;
  width: 3ch;
  padding-top: 4px;
}

[data-design="b"] .b-service-item__title {
  font-family: var(--font-display);
  font-size: var(--t-h3);
  color: var(--ink);
  font-weight: 500;
  display: block;
  margin-bottom: var(--gap-tick);
}

[data-design="b"] .b-service-item__body {
  font-family: var(--font-body);
  font-size: var(--t-body);
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0;
}

/* ================================================================
   E4 — Ambient B (vellum portfolio drift)
   ================================================================ */
[data-design="b"] .rf-ambient-b,
[data-design="b"] .b-portfolio {
  padding: clamp(64px, 10vw, 96px) clamp(16px, 4vw, 48px);
  background: var(--paper-deep);
  display: grid;
  gap: var(--gap-rule);
}

[data-design="b"] .rf-ambient-b__head { max-width: var(--measure); }

[data-design="b"] .rf-vellum-stack {
  position: relative;
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  isolation: isolate;
}

[data-design="b"] .rf-vellum {
  position: absolute;
  inset: 0;
  border: 1px solid var(--ink);
}

[data-design="b"] .rf-vellum--plate {
  background: var(--marmo);
  overflow: hidden;
}

[data-design="b"] .b-vellum-plate { padding: 0; }

[data-design="b"] .b-slab-detail {
  width: 100%;
  height: 100%;
  display: block;
}

[data-design="b"] .b-diagram-label {
  font-family: var(--font-annotation);
  font-size: 10px;
  fill: var(--pencil);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
[data-design="b"] .b-diagram-dim {
  font-family: var(--font-annotation);
  font-size: 9px;
  fill: var(--ottone);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
[data-design="b"] .b-diagram-sub {
  font-family: var(--font-annotation);
  font-size: 8px;
  fill: var(--pencil-trace);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

[data-design="b"] .rf-vellum--sheet {
  background: rgba(244, 239, 230, 0.55);
  mix-blend-mode: multiply;
  display: flex;
  align-items: flex-end;
  padding: 18px 22px;
}
[data-design="b"] .rf-vellum--sheet::before {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px dashed var(--pencil-trace);
  pointer-events: none;
}
[data-design="b"] .rf-vellum__label {
  font-family: var(--font-annotation);
  font-size: var(--t-mono-sm);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink);
  background: var(--marmo);
  padding: 4px 10px;
  border: 1px solid var(--ink);
}

[data-design="b"] .rf-vellum--01 {
  animation: b-vellum-drift-1 16s var(--ease-vellum) infinite;
}
[data-design="b"] .rf-vellum--02 {
  animation: b-vellum-drift-2 19s var(--ease-vellum) infinite;
  animation-delay: -3s;
}
[data-design="b"] .rf-vellum--03 {
  animation: b-vellum-drift-3 23s var(--ease-vellum) infinite;
  animation-delay: -7s;
}

@keyframes b-vellum-drift-1 {
  0%, 100% { transform: translate(-3%, -2%) rotate(-0.6deg); opacity: 0.85; }
  50%      { transform: translate(2%,  1%) rotate(0.4deg);  opacity: 0.55; }
}
@keyframes b-vellum-drift-2 {
  0%, 100% { transform: translate(2%, 2%)   rotate(0.5deg);  opacity: 0.7; }
  50%      { transform: translate(-2%, -1%) rotate(-0.4deg); opacity: 0.95; }
}
@keyframes b-vellum-drift-3 {
  0%, 100% { transform: translate(0%, -1%) rotate(0.2deg);  opacity: 0.6; }
  50%      { transform: translate(1%,  2%) rotate(-0.3deg); opacity: 0.85; }
}

[data-design="b"] .rf-vellum-stack[data-paused="true"] .rf-vellum--sheet {
  animation-play-state: paused;
}

/* ================================================================
   E3 / Ambient A — section-cut detail (process)
   ================================================================ */
[data-design="b"] .rf-ambient-a,
[data-design="b"] .b-detail-section {
  padding: clamp(64px, 10vw, 96px) clamp(16px, 4vw, 48px);
  background: var(--paper);
  display: grid;
  gap: var(--gap-rule);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 900px) {
  [data-design="b"] .rf-ambient-a,
  [data-design="b"] .b-detail-section {
    grid-template-columns: 320px minmax(0, 1fr);
    align-items: start;
  }
}

[data-design="b"] .rf-ambient-a__head { max-width: var(--measure); }

[data-design="b"] .rf-detail {
  position: relative;
  margin: 0;
  padding: 24px;
  background: var(--marmo);
  border: 1px solid var(--ink);
  max-width: 100%;
}
[data-design="b"] .rf-detail__drawing {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
}

[data-design="b"] .rf-callout {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-annotation);
  font-size: var(--t-mono-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink);
  opacity: 0;
  transition: opacity var(--dur-trace) var(--ease-pen) calc(var(--rf-cb-delay, 0) * 1ms);
}
[data-design="b"] .rf-callout__leader {
  display: block;
  height: 1px;
  background: var(--ottone);
  width: 0;
  transition: width var(--dur-trace) var(--ease-pen) calc(var(--rf-cb-delay, 0) * 1ms);
}
[data-design="b"] .rf-callout__pill {
  white-space: nowrap;
  padding: 2px 8px;
  background: var(--marmo);
  border: 1px solid var(--ink);
  border-radius: var(--r-tick);
}

[data-design="b"] .rf-callout--01 { top: 6%;    left: 4%;  --rf-cb-delay: 0;   }
[data-design="b"] .rf-callout--02 { top: 26%;   right: 4%; --rf-cb-delay: 220; flex-direction: row-reverse; }
[data-design="b"] .rf-callout--03 { top: 50%;   left: 4%;  --rf-cb-delay: 440; }
[data-design="b"] .rf-callout--04 { bottom: 22%; right: 4%; --rf-cb-delay: 660; flex-direction: row-reverse; }
[data-design="b"] .rf-callout--05 { bottom: 4%;  left: 4%;  --rf-cb-delay: 880; }

[data-design="b"] .rf-callout--02 .rf-callout__leader,
[data-design="b"] .rf-callout--04 .rf-callout__leader { transform-origin: right center; }

[data-design="b"] .rf-detail.is-traced .rf-callout { opacity: 1; }
[data-design="b"] .rf-detail.is-traced .rf-callout__leader { width: 80px; }

[data-design="b"] .rf-detail.is-traced .rf-callout--03 .rf-callout__pill {
  animation: b-callout-confirm 14s var(--ease-vellum) infinite;
}
@keyframes b-callout-confirm {
  0%, 88%  { background: var(--marmo); color: var(--ink); }
  92%      { background: var(--ottanio); color: var(--marmo); }
  100%     { background: var(--marmo); color: var(--ink); }
}

/* ================================================================
   Repeated funnel CTA section
   ================================================================ */
[data-design="b"] .b-repeat-cta {
  padding: clamp(64px, 10vw, 96px) clamp(16px, 4vw, 48px);
  background: var(--paper-deep);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
[data-design="b"] .b-repeat-cta__inner {
  max-width: 640px;
  display: flex;
  flex-direction: column;
  gap: var(--gap-stanza);
  align-items: flex-start;
}

/* ================================================================
   About section
   ================================================================ */
[data-design="b"] .b-about {
  padding: clamp(64px, 10vw, 96px) clamp(16px, 4vw, 48px);
  background: var(--paper);
  display: grid;
  gap: var(--gap-bay);
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 760px) {
  [data-design="b"] .b-about {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }
}
[data-design="b"] .b-about__text { max-width: var(--measure); }
[data-design="b"] .b-about__body {
  font-family: var(--font-body);
  font-size: var(--t-body);
  color: var(--ink-soft);
  line-height: 1.65;
  margin: 0 0 var(--gap-stanza);
  max-width: var(--measure);
}
[data-design="b"] .b-about__body a { color: var(--ottanio); }

[data-design="b"] .b-about__plate {
  background: var(--marmo);
  border: 1px solid var(--rule);
  padding: var(--gap-cell);
}
[data-design="b"] .b-about__area {
  list-style: none;
  padding: 0;
  margin: var(--gap-tick) 0 var(--gap-stanza);
  font-family: var(--font-body);
  font-size: var(--t-body);
  color: var(--ink);
}
[data-design="b"] .b-about__area li { padding: 4px 0; }
[data-design="b"] .b-mt { margin-top: var(--gap-stanza); }
[data-design="b"] .b-about__phone {
  display: block;
  font-family: var(--font-display);
  font-size: var(--t-h3);
  color: var(--ottanio);
  text-decoration: none;
  margin: var(--gap-tick) 0;
}
[data-design="b"] .b-about__intake {
  font-family: var(--font-annotation);
  font-size: var(--t-mono-xs);
  color: var(--pencil);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0;
}

/* ================================================================
   Footer
   ================================================================ */
[data-design="b"] .b-footer {
  background: var(--paper-deep);
  border-top: 1px solid var(--ink);
  padding: clamp(32px, 5vw, 64px) clamp(16px, 4vw, 48px);
}
[data-design="b"] .b-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-stanza);
  justify-content: space-between;
  align-items: center;
}
[data-design="b"] .b-footer__left {
  display: flex;
  flex-direction: column;
  gap: var(--gap-tick);
}
[data-design="b"] .b-footer__name {
  font-family: var(--font-annotation);
  font-size: var(--t-mono-sm);
  letter-spacing: 0.16em;
  color: var(--ink);
  text-transform: uppercase;
}
[data-design="b"] .b-footer__loc {
  font-family: var(--font-annotation);
  font-size: var(--t-mono-xs);
  color: var(--pencil);
  letter-spacing: 0.14em;
}
[data-design="b"] .b-footer__center {
  font-family: var(--font-annotation);
  font-size: var(--t-mono-xs);
  color: var(--pencil-trace);
  letter-spacing: 0.1em;
  text-align: center;
}
[data-design="b"] .b-footer__right {
  display: flex;
  flex-direction: column;
  gap: var(--gap-stanza);
  align-items: flex-end;
}
[data-design="b"] .b-footer__phone {
  font-family: var(--font-display);
  font-size: var(--t-h3);
  color: var(--ottanio);
  text-decoration: none;
}

/* ================================================================
   MOBILE / OVERFLOW GUARDS
   Scoped ONLY to .dq-design — never bare [data-design] descendants
   ================================================================ */
[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;
}

/* ================================================================
   RESPONSIVE BREAKPOINTS
   ================================================================ */
@media (max-width: 760px) {
  [data-design="b"] .rf-funnel__progress {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  [data-design="b"] .rf-funnel__progress-line { width: 100%; }
  [data-design="b"] .rf-funnel__nav {
    flex-direction: column-reverse;
    align-items: stretch;
  }
  [data-design="b"] .rf-funnel__btn { width: 100%; }
  [data-design="b"] .b-footer__center { display: none; }
  [data-design="b"] .b-footer__right { align-items: flex-start; }
}

@media (max-width: 560px) {
  [data-design="b"] .rf-header__bar { height: 56px; }
  [data-design="b"] .rf-dimstring__value { display: none; }
  [data-design="b"] .rf-logo { font-size: 16px; }
  [data-design="b"] .b-hero { padding: 48px 16px 56px; }
  [data-design="b"] .rf-callout__leader { display: none; }
  [data-design="b"] .rf-callout--02,
  [data-design="b"] .rf-callout--04 { flex-direction: row; }
  [data-design="b"] .rf-vellum-stack { aspect-ratio: 1 / 1; }
  [data-design="b"] .b-service-item { gap: var(--gap-stanza); }
}

/* ================================================================
   REDUCED MOTION FALLBACKS
   ================================================================ */
@media (prefers-reduced-motion: reduce) {
  /* Header */
  [data-design="b"] .rf-dimstring__line,
  [data-design="b"] .rf-dimstring__value,
  [data-design="b"] .rf-dimstring__tick {
    animation: none;
    transform: scaleX(1);
    opacity: 1;
  }
  [data-design="b"] .rf-drawer { transition: none; }

  /* Hero backdrop */
  [data-design="b"] .b-hero__wash { animation: none; opacity: 0.35; }
  [data-design="b"] .b-slab__joint {
    animation: none;
    stroke-dasharray: 1200 0;
    opacity: 0.3;
  }
  [data-design="b"] .b-slab__node { animation: none; opacity: 0.5; }
  [data-design="b"] .b-slab__annotation { animation: none; opacity: 0.7; }

  /* CTA */
  [data-design="b"] .rf-cta { animation: none; }
  [data-design="b"] .rf-cta__corner,
  [data-design="b"] .rf-cta__arrow { transition: none; }

  /* Pointer */
  [data-design="b"] .b-pointer__rule,
  [data-design="b"] .b-pointer__label {
    animation: none;
    opacity: 0.7;
  }

  /* Vellum drift */
  [data-design="b"] .rf-vellum--sheet { animation: none; }
  [data-design="b"] .rf-vellum--01 { transform: translate(-3%, -2%) rotate(-0.6deg); opacity: 0.7; }
  [data-design="b"] .rf-vellum--02 { transform: translate(2%, 1%)   rotate(0.4deg);  opacity: 0.7; }
  [data-design="b"] .rf-vellum--03 { transform: translate(0%, 0%)   rotate(0deg);    opacity: 0.7; }

  /* Callouts / detail */
  [data-design="b"] .rf-callout,
  [data-design="b"] .rf-callout__leader { transition: none; opacity: 1; }
  [data-design="b"] .rf-callout__leader { width: 80px; }
  [data-design="b"] .rf-detail .rf-callout--03 .rf-callout__pill { animation: none; }

  /* Funnel steps */
  [data-design="b"] .rf-funnel__step,
  [data-design="b"] .rf-funnel__progress-fill,
  [data-design="b"] .rf-funnel__input,
  [data-design="b"] .rf-funnel__textarea,
  [data-design="b"] .rf-funnel__btn,
  [data-design="b"] .rf-choice { transition: none; }
  [data-design="b"] .rf-funnel__step[data-active="true"] {
    opacity: 1;
    transform: none;
  }
}

/* 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; }