/* ============================================================
   Gibson Roofing · Design-B · Pressure & Patina (remapped)
   Scope: [data-design="b"] — ZERO bare element/img/svg rules
   ============================================================ */

/* ── Token system ── */
[data-design="b"] {
  --design-b-primary:     #7a4a1e;

  --pp-primary:   #7a4a1e;
  --pp-secondary: #0d3b66;
  --pp-accent:    #b8421c;
  --pp-surface:   #f4ead7;
  --pp-sheet:     #fbf6e8;
  --pp-ink:       #1f1a14;
  --pp-muted:     #7a6e58;
  --pp-critical:  #9a2418;
  --pp-success:   #3b6e3a;
  --pp-brass:     #b08a3a;
  --pp-patina:    #5a7d5a;

  --pp-font-display:  "Trade Gothic Next", "Trade Gothic", "Oswald", "Impact", sans-serif;
  --pp-font-headline: "Sentinel", "Roboto Slab", "Source Serif Pro", Georgia, serif;
  --pp-font-body:     "Source Sans 3", "Inter", -apple-system, system-ui, sans-serif;
  --pp-font-mono:     "JetBrains Mono", "IBM Plex Mono", "Courier Prime", ui-monospace, monospace;

  --pp-thread:   4px;
  --pp-coupling: 8px;
  --pp-elbow:    12px;
  --pp-tee:      16px;
  --pp-stub:     24px;
  --pp-riser:    32px;
  --pp-trunk:    48px;
  --pp-bay:      80px;
  --pp-floor:    120px;

  --pp-ease-hydraulic: cubic-bezier(0.22, 1, 0.36, 1);
  --pp-ease-stamp:     cubic-bezier(0.5, 0, 0.2, 1);
  --pp-quick:   180ms;
  --pp-settle:  320ms;
  --pp-charge:  640ms;

  --pp-r-thread: 2px;
  --pp-r-flange: 6px;
  --pp-r-valve:  14px;
  --pp-r-pipe:   999px;

  --pp-elev-flat:     none;
  --pp-elev-hairline: inset 0 0 0 1px color-mix(in oklab, var(--pp-ink), transparent 78%);
  --pp-elev-brass:    inset 0 1px 0 color-mix(in oklab, white, transparent 70%), 0 1px 0 color-mix(in oklab, var(--pp-ink), transparent 88%);
  --pp-elev-stamp:    0 1px 0 color-mix(in oklab, var(--pp-ink), transparent 75%), inset 0 -1px 0 color-mix(in oklab, var(--pp-ink), transparent 86%);

  box-sizing: border-box;
  background: var(--pp-surface);
  color: var(--pp-ink);
  font-family: var(--pp-font-body);
  font-size: 17px;
  line-height: 1.6;
}

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

/* ── E1: Animated minimalist header ── */
[data-design="b"] .rf-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--pp-surface);
}

[data-design="b"] .rf-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--pp-stub) clamp(var(--pp-stub), 4vw, var(--pp-trunk));
}

[data-design="b"] .rf-logo {
  text-decoration: none;
  color: var(--pp-primary);
}

[data-design="b"] .rf-logo__mark {
  font-family: var(--pp-font-display);
  font-size: clamp(18px, 2.2vw, 26px);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

[data-design="b"] .rf-hamburger {
  background: transparent;
  border: 1px solid color-mix(in oklab, var(--pp-ink), transparent 70%);
  border-radius: var(--pp-r-thread);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

[data-design="b"] .rf-hamburger__line {
  width: 18px;
  height: 1.5px;
  background: var(--pp-ink);
  transition: transform var(--pp-quick) var(--pp-ease-stamp);
  display: block;
}

[data-design="b"] .rf-hamburger[aria-expanded="true"] .rf-hamburger__line:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}
[data-design="b"] .rf-hamburger[aria-expanded="true"] .rf-hamburger__line:nth-child(2) {
  opacity: 0;
}
[data-design="b"] .rf-hamburger[aria-expanded="true"] .rf-hamburger__line:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

[data-design="b"] .rf-header__rule {
  height: 6px;
  overflow: hidden;
}

[data-design="b"] .rf-gauge-trace {
  width: 100%;
  height: 6px;
  display: block;
}

[data-design="b"] .rf-gauge-trace__baseline {
  stroke: color-mix(in oklab, var(--pp-secondary), transparent 60%);
  stroke-width: 1;
  stroke-dasharray: 2 3;
}

[data-design="b"] .rf-gauge-trace__needle {
  fill: var(--pp-accent);
  filter: drop-shadow(0 0 4px color-mix(in oklab, var(--pp-accent), transparent 40%));
  animation: pp-gauge-sweep 22s var(--pp-ease-hydraulic) infinite;
}

@keyframes pp-gauge-sweep {
  0%   { transform: translateX(2%);  opacity: 0.5; }
  15%  { transform: translateX(28%); opacity: 0.9; }
  45%  { transform: translateX(62%); opacity: 1;   }
  72%  { transform: translateX(88%); opacity: 0.85;}
  100% { transform: translateX(2%);  opacity: 0.5; }
}

/* Drawer */
[data-design="b"] .rf-drawer {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(420px, 92vw);
  background: var(--pp-sheet);
  box-shadow: -1px 0 0 color-mix(in oklab, var(--pp-ink), transparent 80%);
  transform: translateX(100%);
  transition: transform var(--pp-charge) var(--pp-ease-hydraulic);
  padding: var(--pp-trunk) var(--pp-stub);
  clip-path: polygon(24px 0, 100% 0, 100% 100%, 0 100%, 0 24px);
  z-index: 200;
  display: flex;
  flex-direction: column;
}

[data-design="b"] .rf-drawer[hidden] {
  display: none;
}

[data-design="b"] .rf-drawer[data-open="true"] {
  transform: translateX(0);
}

[data-design="b"] .rf-drawer__sheet-no {
  font-family: var(--pp-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--pp-muted);
  margin: 0 0 var(--pp-stub);
  text-transform: uppercase;
}

[data-design="b"] .rf-drawer a {
  display: block;
  padding: var(--pp-elbow) 0;
  font-family: var(--pp-font-headline);
  font-size: 22px;
  color: var(--pp-ink);
  text-decoration: none;
  border-bottom: 1px dashed color-mix(in oklab, var(--pp-secondary), transparent 60%);
}

[data-design="b"] .rf-drawer a:hover {
  color: var(--pp-primary);
  border-bottom-style: solid;
  border-bottom-color: var(--pp-secondary);
}

[data-design="b"] .rf-drawer__phone {
  font-family: var(--pp-font-mono) !important;
  font-size: 18px !important;
  color: var(--pp-primary) !important;
  letter-spacing: 0.06em;
}

/* ── E3: Hero — unique animated backdrop + text layering ── */
[data-design="b"] .rf-hero {
  position: relative;
  min-height: clamp(60vh, 75vh, 85vh);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: var(--pp-floor) clamp(var(--pp-stub), 5vw, var(--pp-trunk));
  background: var(--pp-surface);
}

/* Backdrop: z-index BELOW text, pointer-events none */
[data-design="b"] .rf-hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

[data-design="b"] .rf-hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.85;
}

/* Hero text: position:relative, z-index ABOVE backdrop, opacity:1 at first paint */
[data-design="b"] .rf-hero__content {
  position: relative;
  z-index: 2;
  max-width: 72ch;
  text-align: center;
  opacity: 1;
}

[data-design="b"] .rf-hero__headline {
  font-family: var(--pp-font-display);
  font-size: clamp(32px, 6vw, 80px);
  font-weight: 700;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--pp-primary);
  margin: 0 0 var(--pp-stub);
  line-height: 1.05;
  opacity: 1;
}

[data-design="b"] .rf-hero__subtitle {
  font-family: var(--pp-font-mono);
  font-size: clamp(13px, 1.6vw, 16px);
  letter-spacing: 0.1em;
  color: var(--pp-muted);
  text-transform: uppercase;
  margin: 0 0 var(--pp-trunk);
  opacity: 1;
}

/* ── E2: CTA — brass valve-tag, breath, stamp feedback ── */
[data-design="b"] .rf-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--pp-elbow);
  padding: 14px 22px 14px 26px;
  font-family: var(--pp-font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pp-ink);
  text-decoration: none;
  background: linear-gradient(180deg,
    color-mix(in oklab, var(--pp-brass), white 14%),
    var(--pp-brass));
  border-radius: var(--pp-r-valve);
  box-shadow: var(--pp-elev-brass);
  border: none;
  cursor: pointer;
  transition:
    transform var(--pp-quick) var(--pp-ease-stamp),
    box-shadow var(--pp-quick) var(--pp-ease-stamp);
  will-change: transform;
  animation: pp-cta-breath 4.8s ease-in-out infinite;
  isolation: isolate;
  min-height: 44px;
  min-width: 44px;
}

[data-design="b"] .rf-cta::before {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: calc(var(--pp-r-valve) - 4px);
  border: 1px solid color-mix(in oklab, var(--pp-primary), transparent 55%);
  pointer-events: none;
}

[data-design="b"] .rf-cta__arrow {
  display: inline-flex;
  color: var(--pp-primary);
  transition: transform var(--pp-settle) var(--pp-ease-hydraulic);
  flex-shrink: 0;
}

[data-design="b"] .rf-cta:hover,
[data-design="b"] .rf-cta:focus-visible {
  box-shadow: var(--pp-elev-brass), 0 0 0 2px color-mix(in oklab, var(--pp-patina), transparent 50%);
}

[data-design="b"] .rf-cta:hover .rf-cta__arrow {
  transform: translateX(8px);
}

[data-design="b"] .rf-cta:focus-visible {
  outline: 2px solid var(--pp-secondary);
  outline-offset: 3px;
}

[data-design="b"] .rf-cta:active {
  transform: translateY(1px);
  box-shadow: inset 0 1px 0 color-mix(in oklab, var(--pp-ink), transparent 70%);
}

[data-design="b"] .rf-cta__bezel {
  display: none;
}

[data-design="b"] .rf-cta__stamp {
  position: absolute;
  left: 50%;
  bottom: -22px;
  transform: translateX(-50%) scale(0.9);
  opacity: 0;
  font-family: var(--pp-font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--pp-accent);
  pointer-events: none;
  transition:
    opacity var(--pp-quick) var(--pp-ease-stamp),
    transform var(--pp-quick) var(--pp-ease-stamp);
  white-space: nowrap;
}

[data-design="b"] .rf-cta[data-stamped="true"] .rf-cta__stamp {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

@keyframes pp-cta-breath {
  0%, 100% { box-shadow: var(--pp-elev-brass); }
  50%       { box-shadow: var(--pp-elev-brass), 0 0 24px color-mix(in oklab, var(--pp-brass), transparent 70%); }
}

/* CTA variants */
[data-design="b"] .rf-cta--hero {
  font-size: 17px;
  padding: 16px 28px 16px 32px;
}

[data-design="b"] .rf-cta--footer {
  margin-top: var(--pp-elbow);
  font-size: 13px;
  padding: 12px 18px;
}

[data-design="b"] .rf-cta--drawer {
  margin-top: var(--pp-stub);
  align-self: flex-start;
}

[data-design="b"] .rf-cta--submit {
  margin-top: var(--pp-stub);
  width: 100%;
  justify-content: center;
}

/* ── E4 / Ambient A: roof-plane schematic ── */
[data-design="b"] .rf-ambient-a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(var(--pp-stub), 5vw, var(--pp-trunk));
  align-items: center;
  padding: var(--pp-bay) clamp(var(--pp-stub), 5vw, var(--pp-trunk));
  background: var(--pp-surface);
  position: relative;
}

[data-design="b"] .rf-ambient-a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: color-mix(in oklab, var(--pp-secondary), transparent 60%);
}

[data-design="b"] .rf-ambient-a__kicker {
  font-family: var(--pp-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--pp-muted);
  margin: 0 0 var(--pp-elbow);
  text-transform: uppercase;
}

[data-design="b"] .rf-ambient-a__title {
  font-family: var(--pp-font-headline);
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.1;
  color: var(--pp-primary);
  margin: 0 0 var(--pp-stub);
  letter-spacing: -0.01em;
}

[data-design="b"] .rf-ambient-a__body {
  font-size: 17px;
  line-height: 1.6;
  color: var(--pp-ink);
}

[data-design="b"] .rf-ambient-a__body p {
  margin: 0 0 var(--pp-stub);
  max-width: 52ch;
}

[data-design="b"] .rf-services-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

[data-design="b"] .rf-services-list li {
  display: flex;
  align-items: baseline;
  gap: var(--pp-tee);
  padding: var(--pp-elbow) 0;
  border-bottom: 1px dashed color-mix(in oklab, var(--pp-secondary), transparent 65%);
}

[data-design="b"] .rf-services-list__no {
  font-family: var(--pp-font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--pp-primary);
  letter-spacing: 0.06em;
  min-width: 2.5ch;
  flex-shrink: 0;
}

[data-design="b"] .rf-services-list__name {
  font-family: var(--pp-font-headline);
  font-size: 18px;
  color: var(--pp-ink);
  font-weight: 600;
  min-width: 10ch;
  flex-shrink: 0;
}

[data-design="b"] .rf-services-list__desc {
  font-size: 15px;
  color: var(--pp-muted);
  line-height: 1.5;
}

[data-design="b"] .rf-ambient-a__motion {
  width: 100%;
  max-width: 100%;
}

[data-design="b"] .rf-schematic {
  width: 100%;
  height: auto;
  color: var(--pp-secondary);
}

/* Course lay animation — staggered reveal */
[data-design="b"] .rf-course {
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  animation: pp-course-lay 8s var(--pp-ease-hydraulic) infinite;
  animation-delay: calc(var(--ci, 0) * 0.6s);
}

@keyframes pp-course-lay {
  0%   { stroke-dashoffset: 200; opacity: 0; }
  20%  { opacity: 0.9; }
  45%  { stroke-dashoffset: 0; opacity: 0.7; }
  80%  { stroke-dashoffset: 0; opacity: 0.7; }
  100% { stroke-dashoffset: 200; opacity: 0; }
}

[data-design="b"] .rf-schematic__ridge {
  stroke-dasharray: 500;
  stroke-dashoffset: 500;
  animation: pp-ridge-draw 3s var(--pp-ease-hydraulic) forwards, pp-ridge-settle 12s 3s ease-in-out infinite;
}

@keyframes pp-ridge-draw {
  to { stroke-dashoffset: 0; }
}

@keyframes pp-ridge-settle {
  0%, 100% { opacity: 0.85; }
  50%       { opacity: 1; }
}

/* ── E4b: Process gauge wall ── */
[data-design="b"] .rf-ambient-b {
  padding: var(--pp-bay) clamp(var(--pp-stub), 5vw, var(--pp-trunk));
  background: var(--pp-sheet);
}

[data-design="b"] .rf-ambient-b__head {
  max-width: 72ch;
  margin: 0 auto var(--pp-trunk);
  text-align: center;
}

[data-design="b"] .rf-ambient-b__kicker {
  font-family: var(--pp-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--pp-muted);
  text-transform: uppercase;
  margin: 0 0 var(--pp-elbow);
}

[data-design="b"] .rf-ambient-b__title {
  font-family: var(--pp-font-headline);
  font-size: clamp(24px, 3.4vw, 40px);
  color: var(--pp-primary);
  margin: 0 0 var(--pp-elbow);
  line-height: 1.15;
}

[data-design="b"] .rf-ambient-b__intro {
  font-size: 17px;
  color: var(--pp-muted);
  margin: 0;
  line-height: 1.55;
}

[data-design="b"] .rf-ambient-b__wall {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--pp-stub);
  max-width: 920px;
  margin: 0 auto var(--pp-trunk);
}

[data-design="b"] .rf-gauge {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--pp-elbow);
}

[data-design="b"] .rf-gauge__svg {
  width: clamp(120px, 20vw, 180px);
  height: auto;
}

[data-design="b"] .rf-gauge__bezel {
  fill: var(--pp-brass);
  stroke: color-mix(in oklab, var(--pp-primary), black 12%);
  stroke-width: 1.5;
}

[data-design="b"] .rf-gauge__face {
  fill: var(--pp-surface);
  stroke: color-mix(in oklab, var(--pp-ink), transparent 80%);
  stroke-width: 0.5;
}

[data-design="b"] .rf-gauge__ticks line {
  stroke: var(--pp-ink);
  stroke-width: 1.5;
}

[data-design="b"] .rf-gauge__needle {
  transform-origin: 60px 60px;
  animation: pp-needle-drift var(--pp-gauge-dur, 15s) ease-in-out infinite;
}

[data-design="b"] .rf-gauge__needle line {
  stroke: var(--pp-accent);
  stroke-width: 2;
  stroke-linecap: round;
  filter: drop-shadow(0 0 3px color-mix(in oklab, var(--pp-accent), transparent 60%));
}

[data-design="b"] .rf-gauge__hub {
  fill: var(--pp-primary);
}

[data-design="b"] .rf-gauge__label {
  fill: var(--pp-muted);
  font-family: var(--pp-font-mono);
  font-size: 7px;
  letter-spacing: 0.16em;
  text-anchor: middle;
}

[data-design="b"] .rf-gauge figcaption {
  font-family: var(--pp-font-mono);
  font-size: 12px;
  color: var(--pp-ink);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
}

[data-design="b"] .rf-gauge__psi {
  color: var(--pp-secondary);
  margin-left: var(--pp-coupling);
}

@keyframes pp-needle-drift {
  0%   { transform: rotate(-28deg); }
  25%  { transform: rotate(12deg); }
  50%  { transform: rotate(-6deg); }
  75%  { transform: rotate(20deg); }
  100% { transform: rotate(-28deg); }
}

/* Process steps */
[data-design="b"] .rf-process-steps {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: var(--pp-riser) var(--pp-stub);
}

[data-design="b"] .rf-process-step {
  display: flex;
  align-items: flex-start;
  gap: var(--pp-tee);
  padding: var(--pp-stub);
  background: var(--pp-surface);
  border: 1px solid color-mix(in oklab, var(--pp-ink), transparent 84%);
  border-radius: var(--pp-r-flange);
}

[data-design="b"] .rf-process-step__no {
  font-family: var(--pp-font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--pp-primary);
  letter-spacing: 0.04em;
  line-height: 1;
  flex-shrink: 0;
  margin: 0;
}

[data-design="b"] .rf-process-step strong {
  display: block;
  font-family: var(--pp-font-headline);
  font-size: 17px;
  color: var(--pp-primary);
  margin-bottom: var(--pp-coupling);
}

[data-design="b"] .rf-process-step p {
  margin: 0;
  font-size: 15px;
  color: var(--pp-muted);
  line-height: 1.55;
}

/* ── E6: Pointer — last before #funnel, wayfinding only ── */
[data-design="b"] .rf-pointer {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: clamp(40px, 7vw, 80px) 16px clamp(48px, 8vw, 80px);
  background: var(--pp-sheet);
  position: relative;
  gap: 0;
}

/* Pipe fill animation */
[data-design="b"] .pp-pointer__pipe {
  display: block;
  width: 2px;
  height: 72px;
  background: linear-gradient(to bottom,
    transparent 0%,
    var(--pp-primary) 40%,
    var(--pp-brass) 100%);
  animation: pp-pointer-fill 5s ease-in-out infinite;
  opacity: 0.75;
  transform-origin: top center;
}

[data-design="b"] .pp-pointer__drop {
  display: block;
  width: 10px;
  height: 10px;
  background: var(--pp-primary);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  animation: pp-pointer-drip 5s ease-in infinite;
  opacity: 0;
  margin-top: 2px;
  /* Ensures bounding box height is always ≥ 8px */
  min-height: 10px;
}

[data-design="b"] .pp-pointer__label {
  font-family: var(--pp-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--pp-muted);
  text-transform: uppercase;
  margin-top: var(--pp-elbow);
  opacity: 0.85;
}

@keyframes pp-pointer-fill {
  0%, 100% { transform: scaleY(0.4); opacity: 0.4; }
  60%       { transform: scaleY(1);   opacity: 0.9; }
}

@keyframes pp-pointer-drip {
  0%, 50%  { transform: translateY(-60px) scale(0.3); opacity: 0; }
  68%      { transform: translateY(-60px) scale(1);   opacity: 1; }
  92%      { transform: translateY(0)     scale(1);   opacity: 1; }
  100%     { transform: translateY(0)     scale(0.2); opacity: 0; }
}

/* ── E5: Funnel (5-step qualifying intake) ── */
[data-design="b"] .rf-interactive {
  padding: var(--pp-floor) clamp(var(--pp-stub), 5vw, var(--pp-trunk));
  background: var(--pp-surface);
  position: relative;
}

[data-design="b"] .rf-triage__head {
  max-width: 64ch;
  margin: 0 auto var(--pp-trunk);
  text-align: center;
}

[data-design="b"] .rf-triage__kicker {
  font-family: var(--pp-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--pp-muted);
  text-transform: uppercase;
  margin: 0 0 var(--pp-tee);
}

[data-design="b"] .rf-triage__head h2 {
  font-family: var(--pp-font-headline);
  font-size: clamp(28px, 4vw, 48px);
  color: var(--pp-primary);
  margin: 0 0 var(--pp-elbow);
  line-height: 1.1;
}

[data-design="b"] .rf-triage__sub {
  font-size: 17px;
  color: var(--pp-ink);
  line-height: 1.55;
  margin: 0;
}

[data-design="b"] .rf-triage__steps {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 720px;
  /* No min-height — flows with active step */
}

/* Inactive steps: absolutely removed from flow, hidden */
[data-design="b"] .rf-step {
  display: none;
  opacity: 0;
  transform: translateX(28px);
  pointer-events: none;
  background: var(--pp-sheet);
  padding: var(--pp-trunk) var(--pp-stub);
  border: 1px solid color-mix(in oklab, var(--pp-ink), transparent 82%);
  border-radius: var(--pp-r-flange);
  box-shadow: var(--pp-elev-hairline);
}

/* Active step: in flow, visible (both [data-active] and [data-active="true"] for init compat) */
[data-design="b"] .rf-step[data-active],
[data-design="b"] .rf-step[data-active="true"] {
  display: block;
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
  animation: pp-step-slide-in var(--pp-charge) var(--pp-ease-hydraulic) both;
}

@keyframes pp-step-slide-in {
  from { opacity: 0; transform: translateX(28px); }
  to   { opacity: 1; transform: translateX(0); }
}

[data-design="b"] .rf-step__no {
  font-family: var(--pp-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--pp-secondary);
  margin: 0 0 var(--pp-elbow);
  text-transform: uppercase;
}

[data-design="b"] .rf-step__q {
  font-family: var(--pp-font-headline);
  font-size: clamp(20px, 2.4vw, 28px);
  color: var(--pp-ink);
  margin: 0 0 var(--pp-stub);
  line-height: 1.25;
}

[data-design="b"] .rf-step__choices {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(180px, 100%), 1fr));
  gap: var(--pp-elbow);
}

[data-design="b"] .rf-choice {
  font-family: var(--pp-font-body);
  font-size: 15px;
  color: var(--pp-ink);
  background: var(--pp-surface);
  border: 1px solid color-mix(in oklab, var(--pp-ink), transparent 72%);
  border-radius: var(--pp-r-flange);
  padding: var(--pp-tee) var(--pp-stub);
  text-align: left;
  cursor: pointer;
  transition:
    transform var(--pp-quick) var(--pp-ease-stamp),
    border-color var(--pp-quick),
    background var(--pp-quick);
  position: relative;
  min-height: 44px;
}

[data-design="b"] .rf-choice::before {
  content: "○";
  position: absolute;
  right: var(--pp-tee);
  top: 50%;
  transform: translateY(-50%);
  color: var(--pp-muted);
  font-size: 18px;
  transition: color var(--pp-quick);
  pointer-events: none;
}

[data-design="b"] .rf-choice:hover,
[data-design="b"] .rf-choice:focus-visible {
  border-color: var(--pp-secondary);
  background: color-mix(in oklab, var(--pp-secondary), transparent 92%);
  outline: none;
}

[data-design="b"] .rf-choice:active {
  transform: translateY(1px);
}

[data-design="b"] .rf-choice[data-picked="true"] {
  border-color: var(--pp-accent);
  background: color-mix(in oklab, var(--pp-accent), transparent 90%);
}

[data-design="b"] .rf-choice[data-picked="true"]::before {
  content: "●";
  color: var(--pp-accent);
}

[data-design="b"] .rf-back {
  background: transparent;
  border: 0;
  font-family: var(--pp-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--pp-muted);
  margin-top: var(--pp-stub);
  cursor: pointer;
  padding: 6px 0;
  display: block;
  min-height: 44px;
}

[data-design="b"] .rf-back:hover {
  color: var(--pp-secondary);
}

/* Contact form fields */
[data-design="b"] .rf-contact-form {
  display: grid;
  gap: var(--pp-elbow);
}

[data-design="b"] .rf-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

[data-design="b"] .rf-field--full {
  grid-column: 1 / -1;
}

[data-design="b"] .rf-field__label {
  font-family: var(--pp-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--pp-muted);
  text-transform: uppercase;
}

[data-design="b"] .rf-field__label em {
  font-style: normal;
  opacity: 0.7;
}

[data-design="b"] .rf-field__input {
  font-family: var(--pp-font-body);
  font-size: 16px;
  color: var(--pp-ink);
  background: var(--pp-surface);
  border: 1px solid color-mix(in oklab, var(--pp-ink), transparent 72%);
  border-radius: var(--pp-r-thread);
  padding: var(--pp-elbow) var(--pp-tee);
  width: 100%;
  transition: border-color var(--pp-quick);
  min-height: 44px;
}

[data-design="b"] .rf-field__input:focus {
  outline: none;
  border-color: var(--pp-secondary);
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--pp-secondary), transparent 75%);
}

[data-design="b"] .rf-field__textarea {
  min-height: 80px;
  resize: vertical;
}

/* Form summary */
[data-design="b"] .rf-form-summary {
  background: color-mix(in oklab, var(--pp-secondary), transparent 90%);
  border: 1px solid color-mix(in oklab, var(--pp-secondary), transparent 60%);
  border-radius: var(--pp-r-flange);
  padding: var(--pp-elbow) var(--pp-stub);
  margin-top: var(--pp-elbow);
}

[data-design="b"] .rf-form-summary__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--pp-font-mono);
  font-size: 12px;
  padding: 4px 0;
  border-bottom: 1px dashed color-mix(in oklab, var(--pp-ink), transparent 82%);
  margin: 0;
}

[data-design="b"] .rf-form-summary__row:last-child {
  border-bottom: none;
}

[data-design="b"] .rf-form-summary__row span {
  color: var(--pp-muted);
  letter-spacing: 0.1em;
}

[data-design="b"] .rf-form-summary__row strong {
  color: var(--pp-ink);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Final step */
[data-design="b"] .rf-final__head {
  font-family: var(--pp-font-headline);
  font-size: clamp(22px, 2.6vw, 30px);
  color: var(--pp-primary);
  margin: 0 0 var(--pp-stub);
  line-height: 1.2;
}

[data-design="b"] .rf-final__card {
  background: var(--pp-surface);
  border: 1px solid var(--pp-secondary);
  border-radius: var(--pp-r-flange);
  padding: var(--pp-stub);
  margin-bottom: var(--pp-stub);
}

[data-design="b"] .rf-final__row {
  display: flex;
  justify-content: space-between;
  padding: var(--pp-elbow) 0;
  border-bottom: 1px dashed color-mix(in oklab, var(--pp-ink), transparent 78%);
  font-family: var(--pp-font-mono);
  font-size: 13px;
}

[data-design="b"] .rf-final__row:last-child {
  border-bottom: 0;
}

[data-design="b"] .rf-final__row span {
  color: var(--pp-muted);
  letter-spacing: 0.12em;
}

[data-design="b"] .rf-final__row strong {
  color: var(--pp-ink);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

[data-design="b"] .rf-final__row--eta strong {
  color: var(--pp-accent);
}

/* Progress bar */
[data-design="b"] .rf-progress {
  height: 2px;
  background: color-mix(in oklab, var(--pp-ink), transparent 88%);
  margin-top: var(--pp-trunk);
  max-width: 720px;
  margin-inline: auto;
  overflow: hidden;
  border-radius: var(--pp-r-pipe);
}

[data-design="b"] .rf-progress__bar {
  display: block;
  height: 100%;
  width: 20%;
  background: var(--pp-secondary);
  transition: width var(--pp-charge) var(--pp-ease-hydraulic);
  border-radius: var(--pp-r-pipe);
}

[data-design="b"] .rf-interactive[data-step="2"] .rf-progress__bar { width: 40%; }
[data-design="b"] .rf-interactive[data-step="3"] .rf-progress__bar { width: 60%; }
[data-design="b"] .rf-interactive[data-step="4"] .rf-progress__bar { width: 80%; }
[data-design="b"] .rf-interactive[data-step="5"] .rf-progress__bar { width: 95%; }
[data-design="b"] .rf-interactive[data-step="final"] .rf-progress__bar { width: 100%; background: var(--pp-accent); }

/* Below-funnel */
[data-design="b"] .rf-funnel-below {
  max-width: 720px;
  margin: var(--pp-trunk) auto 0;
  text-align: center;
  border-top: 1px solid color-mix(in oklab, var(--pp-ink), transparent 84%);
  padding-top: var(--pp-stub);
}

[data-design="b"] .rf-funnel-below__phone {
  font-family: var(--pp-font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--pp-ink);
  margin: 0 0 var(--pp-elbow);
}

[data-design="b"] .rf-funnel-below__phone a {
  color: var(--pp-primary);
  text-decoration: none;
  font-weight: 600;
}

[data-design="b"] .rf-funnel-below__note {
  font-size: 14px;
  color: var(--pp-muted);
  margin: 0;
  line-height: 1.55;
}

/* ── Footer ── */
[data-design="b"] .rf-footer {
  background: var(--pp-sheet);
  border-top: 1px solid color-mix(in oklab, var(--pp-secondary), transparent 60%);
  padding: var(--pp-bay) clamp(var(--pp-stub), 5vw, var(--pp-trunk));
}

[data-design="b"] .rf-footer__block {
  margin-bottom: var(--pp-trunk);
}

[data-design="b"] .rf-footer__title-block {
  font-family: var(--pp-font-display);
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pp-primary);
  margin: 0 0 var(--pp-coupling);
}

[data-design="b"] .rf-footer__tagline {
  font-family: var(--pp-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--pp-muted);
  text-transform: uppercase;
  margin: 0;
}

[data-design="b"] .rf-footer__cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
  gap: var(--pp-riser);
  margin-bottom: var(--pp-trunk);
}

[data-design="b"] .rf-footer__col {
  display: flex;
  flex-direction: column;
  gap: var(--pp-coupling);
}

[data-design="b"] .rf-footer__col-head {
  font-family: var(--pp-font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--pp-muted);
  text-transform: uppercase;
  margin: 0 0 var(--pp-coupling);
}

[data-design="b"] .rf-footer__col p {
  font-size: 15px;
  color: var(--pp-ink);
  margin: 0;
  line-height: 1.5;
}

[data-design="b"] .rf-footer__col a {
  color: var(--pp-primary);
  text-decoration: none;
}

[data-design="b"] .rf-footer__col a:hover {
  text-decoration: underline;
}

[data-design="b"] .rf-footer__base {
  border-top: 1px solid color-mix(in oklab, var(--pp-secondary), transparent 70%);
  padding-top: var(--pp-stub);
}

[data-design="b"] .rf-footer__copy {
  font-family: var(--pp-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--pp-muted);
  margin: 0;
}

[data-design="b"] .rf-footer__copy a {
  color: var(--pp-primary);
  text-decoration: none;
}

/* ── Global link styles within scope ── */
[data-design="b"] a {
  color: var(--pp-primary);
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .rf-gauge-trace__needle  { animation: none; transform: translateX(45%); }
  [data-design="b"] .rf-drawer              { transition: none; }
  [data-design="b"] .rf-cta                 { animation: none; }
  [data-design="b"] .rf-cta:hover .rf-cta__arrow { transform: translateX(4px); }
  [data-design="b"] .rf-gauge__needle        { animation: none; transform: rotate(0deg); }
  [data-design="b"] .rf-step[data-active],
  [data-design="b"] .rf-step[data-active="true"] { animation: none; transform: none; }
  [data-design="b"] .rf-progress__bar       { transition: none; }
  [data-design="b"] .pp-pointer__pipe,
  [data-design="b"] .pp-pointer__drop       { animation: none; opacity: 0.6; transform: none; }
  [data-design="b"] .rf-course              { animation: none; stroke-dashoffset: 0; opacity: 0.7; }
  [data-design="b"] .rf-schematic__ridge    { animation: none; stroke-dashoffset: 0; }
}

/* ── Responsive breakpoints ── */
@media (max-width: 768px) {
  [data-design="b"] .rf-ambient-a {
    grid-template-columns: 1fr;
    padding: var(--pp-trunk) var(--pp-tee);
  }

  [data-design="b"] .rf-ambient-b__wall {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  [data-design="b"] .rf-ambient-b__wall {
    grid-template-columns: 1fr;
    gap: var(--pp-trunk);
  }
}

@media (max-width: 560px) {
  [data-design="b"] .rf-step {
    padding: var(--pp-stub) var(--pp-tee);
  }

  [data-design="b"] .rf-step__choices {
    grid-template-columns: 1fr;
  }

  [data-design="b"] .rf-hero__headline {
    font-size: clamp(28px, 8vw, 48px);
  }
}

@media (max-width: 380px) {
  [data-design="b"] .rf-header__bar {
    padding: var(--pp-coupling) var(--pp-elbow);
  }
}

/* ── Mobile no-hscroll guard (HARD CONTRACT — append at bottom) ── */
[data-design="b"].dq-design,
[data-design="b"] .dq-design {
  max-width: 100%;
  overflow-x: clip;
}

[data-design="b"].dq-design * {
  min-width: 0;
}

[data-design="b"].dq-design img,
[data-design="b"].dq-design svg:not([data-keep-size]) {
  max-width: 100%;
  height: auto;
}

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