/* ═══════════════════════════════════════════════════════════════════
   Plano Handyman · Design B · Conductor theme
   All selectors scoped to [data-design="b"].dq-design
   All keyframes prefixed conductor-b-*
   ═══════════════════════════════════════════════════════════════════ */

/* ─── Design tokens ─── */
[data-design="b"] {
  --panel-bg:       #0E1116;
  --panel-bg-2:     #151A22;
  --panel-bg-3:     #1D2430;
  --graphite:       #2A3340;
  --ink-primary:    #F2EFE8;
  --ink-secondary:  #9AA3B2;
  --ink-tertiary:   #5B6573;
  --copper:         #C46A2C;
  --copper-glow:    #E0903F;
  --phosphor:       #4FE3A1;
  --hot:            #E63946;
  --wire-black:     #1A1F27;
  --wire-red:       #E63946;
  --wire-blue:      #5C9EE6;
  --wire-white:     #E8E5DC;
  --wire-green:     #4FE3A1;

  --font-display:  "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;
  --font-headline: "Söhne", "Inter", -apple-system, system-ui, sans-serif;
  --font-body:     "Söhne", "Inter", -apple-system, system-ui, sans-serif;

  --t-meta:    12px;
  --t-eyebrow: 13px;
  --t-body:    16px;
  --t-lead:    19px;
  --t-h3:      24px;
  --t-h2:      36px;
  --t-h1:      56px;

  --gap-trace:   4px;
  --gap-knock:   8px;
  --gap-conduit: 16px;
  --gap-circuit: 24px;
  --gap-bus:     40px;
  --gap-service: 64px;
  --gap-main:    96px;

  --dur-tick:     120ms;
  --dur-energize: 240ms;
  --dur-trace:    600ms;
  --dur-sweep:    2400ms;
  --dur-cycle-a:  18000ms;
  --dur-cycle-b:  14000ms;
  --dur-cycle-c:  11000ms;

  --ease-energize: cubic-bezier(.2, 0, 0, 1);
  --ease-trace:    cubic-bezier(.4, 0, .2, 1);
  --ease-relay:    cubic-bezier(.3, 1.4, .5, 1);
  --ease-hum:      cubic-bezier(.45, .05, .55, .95);

  --r-flush:    0;
  --r-junction: 2px;
  --r-drum:     6px;
  --r-cap:      999px;

  --design-b-primary: var(--copper);
}

/* ─── Base reset (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 {
  background: var(--panel-bg);
  color: var(--ink-primary);
  font-family: var(--font-body);
  font-size: var(--t-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ─── Shared eyebrow ─── */
[data-design="b"] .rf-eyebrow {
  font-family: var(--font-display);
  font-size: var(--t-eyebrow);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-secondary);
  margin: 0 0 var(--gap-knock);
}

/* ─── Shared lead ─── */
[data-design="b"] .rf-lead {
  font-size: clamp(17px, 2vw, 19px);
  color: var(--ink-secondary);
  max-width: 56ch;
  margin: 0 0 var(--gap-bus);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════════════
   E1 · HEADER
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"].rf-header,
[data-design="b"] .rf-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in oklab, var(--panel-bg), transparent 8%);
  backdrop-filter: saturate(140%) blur(8px); /* motion-exception: conductor signature; header bg is mostly opaque (8% transparent), hero traces stay below header z-index; acceptable jank risk on mid-range Android where header occupies ≤64px strip */
  border-bottom: 1px solid var(--graphite);
}

[data-design="b"] .rf-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--gap-conduit) clamp(16px, 4vw, 40px);
  min-height: 64px;
  max-width: 1440px;
  margin-inline: auto;
  width: 100%;
}

[data-design="b"] .rf-logo {
  display: inline-flex;
  align-items: baseline;
  gap: var(--gap-knock);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--ink-primary);
  text-decoration: none;
  font-size: 15px;
}

/* ─── Header busbar sweep (E1 animation) ─── */
[data-design="b"] .rf-busbar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  overflow: hidden;
  pointer-events: none;
}
[data-design="b"] .rf-busbar__rule {
  position: absolute;
  inset: 0;
  background: var(--graphite);
}
[data-design="b"] .rf-busbar__current {
  position: absolute;
  top: 0;
  height: 1px;
  width: 22%;
  background: linear-gradient(90deg,
    transparent 0%,
    color-mix(in oklab, var(--copper), transparent 60%) 30%,
    var(--copper-glow) 50%,
    color-mix(in oklab, var(--copper), transparent 60%) 70%,
    transparent 100%);
  filter: drop-shadow(0 0 6px color-mix(in oklab, var(--copper-glow), transparent 45%));
  animation: conductor-b-busbar-sweep var(--dur-cycle-a) linear infinite;
}
@keyframes conductor-b-busbar-sweep {
  0%   { transform: translateX(-30%); opacity: 0; }
  8%   { opacity: 1; }
  92%  { opacity: 1; }
  100% { transform: translateX(560%); opacity: 0; }
}

/* ─── Hamburger button ─── */
[data-design="b"] .rf-switch {
  background: transparent;
  border: 1px solid var(--graphite);
  border-radius: var(--r-junction);
  padding: 8px 10px;
  color: var(--ink-primary);
  cursor: pointer;
  transition: border-color var(--dur-energize) var(--ease-energize),
              color var(--dur-energize) var(--ease-energize);
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-switch:hover {
    border-color: var(--copper);
    color: var(--copper);
    outline: none;
  }
}
[data-design="b"] .rf-switch:focus-visible {
  border-color: var(--copper);
  color: var(--copper);
  outline: none;
}

/* ─── Nav drawer ─── */
[data-design="b"] .rf-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(380px, 88vw);
  background: var(--panel-bg-2);
  border-left: 1px solid var(--copper);
  transform: translateX(100%);
  transition: transform var(--dur-trace) var(--ease-trace);
  padding: var(--gap-service) var(--gap-circuit);
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: var(--gap-bus);
}
[data-design="b"] .rf-drawer[data-open="true"] {
  transform: translateX(0);
}
[data-design="b"] .rf-drawer[aria-hidden="true"] {
  display: none;
}
[data-design="b"] .rf-drawer__close {
  position: absolute;
  top: var(--gap-circuit);
  right: var(--gap-circuit);
  background: transparent;
  border: 1px solid var(--graphite);
  border-radius: var(--r-junction);
  color: var(--ink-secondary);
  cursor: pointer;
  padding: 6px 10px;
  font-size: 14px;
  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-conduit);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 14px;
}
[data-design="b"] .rf-nav a {
  color: var(--ink-primary);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: border-bottom-color var(--dur-energize) var(--ease-energize);
  min-height: 44px;
  display: flex;
  align-items: center;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-nav a:hover {
    border-bottom-color: var(--copper);
  }
}

[data-design="b"] .rf-drawer__phone {
  display: flex;
  flex-direction: column;
  gap: var(--gap-conduit);
  border-top: 1px solid var(--graphite);
  padding-top: var(--gap-circuit);
}
[data-design="b"] .rf-drawer__phone-link {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--copper-glow);
  text-decoration: none;
  letter-spacing: 0.04em;
  min-height: 56px;
  display: flex;
  align-items: center;
}
[data-design="b"] .rf-drawer__cta-link {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-secondary);
  text-decoration: none;
  min-height: 44px;
  display: flex;
  align-items: center;
  transition: color var(--dur-energize) var(--ease-energize);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-drawer__cta-link:hover {
    color: var(--copper);
  }
}

/* ─── Backdrop ─── */
[data-design="b"] .rf-drawer__backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 45;
}
[data-design="b"] .rf-drawer__backdrop.is-active {
  display: block;
}

/* ═══════════════════════════════════════════════════════════════════
   E3 · HERO BACKDROP — circuit trace substrate (ONE ambient layer)
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"] .rf-hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: clamp(80px, 12vw, 140px) clamp(16px, 5vw, 80px) clamp(64px, 8vw, 100px);
  border-bottom: 1px solid var(--graphite);
}

[data-design="b"] .rf-hero__backdrop {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

/* Graphite grid — the circuit-board substrate */
[data-design="b"] .rf-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--graphite) 1px, transparent 1px),
    linear-gradient(90deg, var(--graphite) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.18;
}

/* Sweeping copper traces — THREE traces on coprime cycles (11s / 13s / 17s) */
[data-design="b"] .rf-hero__trace {
  position: absolute;
  height: 1px;
  width: 30%;
  background: linear-gradient(90deg,
    transparent 0%,
    color-mix(in oklab, var(--copper), transparent 55%) 25%,
    var(--copper-glow) 50%,
    color-mix(in oklab, var(--copper), transparent 55%) 75%,
    transparent 100%);
  filter: drop-shadow(0 0 8px color-mix(in oklab, var(--copper-glow), transparent 50%));
}
[data-design="b"] .rf-hero__trace--a {
  top: 28%;
  animation: conductor-b-trace-a 11s linear infinite;
}
[data-design="b"] .rf-hero__trace--b {
  top: 55%;
  animation: conductor-b-trace-b 13s linear infinite;
  opacity: 0.7;
}
[data-design="b"] .rf-hero__trace--c {
  top: 72%;
  animation: conductor-b-trace-c 17s linear infinite;
  opacity: 0.5;
}
@keyframes conductor-b-trace-a {
  from { transform: translateX(-35%); }
  to   { transform: translateX(135%); }
}
@keyframes conductor-b-trace-b {
  from { transform: translateX(-35%); }
  to   { transform: translateX(135%); }
}
@keyframes conductor-b-trace-c {
  from { transform: translateX(-35%); }
  to   { transform: translateX(135%); }
}

/* Node junction dots — pulse on coprime cycles */
[data-design="b"] .rf-hero__node {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: var(--r-cap);
  background: var(--copper);
  opacity: 0.6;
}
[data-design="b"] .rf-hero__node--1 {
  top: 28%;
  left: 25%;
  animation: conductor-b-node-pulse 3s var(--ease-hum) infinite;
}
[data-design="b"] .rf-hero__node--2 {
  top: 55%;
  left: 60%;
  animation: conductor-b-node-pulse 4.5s var(--ease-hum) infinite 1.2s;
}
[data-design="b"] .rf-hero__node--3 {
  top: 72%;
  left: 40%;
  animation: conductor-b-node-pulse 5.5s var(--ease-hum) infinite 2.7s;
}
@keyframes conductor-b-node-pulse {
  0%, 100% { transform: scale(1);    opacity: 0.45; }
  50%      { transform: scale(1.8);  opacity: 0.9;  box-shadow: 0 0 12px 2px color-mix(in oklab, var(--copper-glow), transparent 45%); }
}

/* ─── Hero text content ─── */
[data-design="b"] .rf-hero__content {
  position: relative;
  z-index: 2;
  max-width: min(640px, 100%);
  width: 100%;
}

[data-design="b"] .rf-hero__eyebrow {
  color: var(--copper);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 var(--gap-conduit);
  opacity: 1;
}

[data-design="b"] .rf-hero__headline {
  font-family: var(--font-headline);
  font-size: clamp(34px, 6vw, 62px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
  margin: 0 0 var(--gap-conduit);
  max-width: 22ch;
  opacity: 1;
}

[data-design="b"] .rf-hero__subtitle {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--ink-secondary);
  line-height: 1.6;
  margin: 0 0 var(--gap-conduit);
  max-width: 46ch;
  opacity: 1;
}

[data-design="b"] .rf-hero__proof {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-tertiary);
  margin: 0 0 var(--gap-bus);
  opacity: 1;
}

[data-design="b"] .rf-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-conduit);
  align-items: center;
  margin-bottom: var(--gap-circuit);
}

/* Prominent phone affordance — co-equal hero CTA (handyman-specific) */
[data-design="b"] .rf-hero__phone {
  display: inline-flex;
  align-items: center;
  gap: var(--gap-knock);
  padding: 14px 20px;
  border: 1px solid var(--graphite);
  border-radius: var(--r-junction);
  color: var(--ink-primary);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.04em;
  min-height: 56px;
  min-width: 56px;
  opacity: 1;
  transition: border-color var(--dur-energize) var(--ease-energize),
              color var(--dur-energize) var(--ease-energize);
}
[data-design="b"] .rf-hero__phone-label {
  color: var(--ink-tertiary);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  opacity: 1;
}
[data-design="b"] .rf-hero__phone-num {
  color: var(--copper-glow);
  opacity: 1;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-hero__phone:hover {
    border-color: var(--copper);
    color: var(--copper-glow);
  }
}

/* Trust chips */
[data-design="b"] .rf-hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-knock);
  opacity: 1;
}
[data-design="b"] .rf-trust-chip {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid var(--graphite);
  border-radius: var(--r-drum);
  color: var(--ink-tertiary);
  opacity: 1;
}

/* ═══════════════════════════════════════════════════════════════════
   E2 · CTA — animated copper stamp
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"] .rf-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--gap-conduit);
  padding: 14px 22px;
  background: var(--copper);
  color: #0E1116;
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.005em;
  border-radius: var(--r-junction);
  text-decoration: none;
  border: none;
  cursor: pointer;
  position: relative;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 0 0 1px var(--copper);
  animation: conductor-b-cta-breath var(--dur-sweep) var(--ease-hum) infinite;
  transition: transform var(--dur-tick) var(--ease-relay),
              box-shadow var(--dur-energize) var(--ease-energize);
  will-change: transform, box-shadow;
  min-height: 56px;
  opacity: 1;
}
[data-design="b"] .rf-cta__num {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.1em;
  opacity: 0.7;
}
[data-design="b"] .rf-cta__label {
  opacity: 1;
}
[data-design="b"] .rf-cta__arrow {
  display: inline-flex;
  transition: transform var(--dur-energize) var(--ease-energize);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-cta:hover,
  [data-design="b"] .rf-cta:focus-visible {
    box-shadow: inset 0 1px 0 rgba(255,255,255,.10),
                0 0 0 1px var(--copper-glow),
                0 0 28px -2px color-mix(in oklab, var(--copper-glow), transparent 55%);
    outline: none;
  }
  [data-design="b"] .rf-cta:hover .rf-cta__arrow {
    transform: translateX(3px);
  }
}
[data-design="b"] .rf-cta[data-near="true"] {
  box-shadow: inset 0 1px 0 rgba(255,255,255,.10),
              0 0 0 1px var(--copper-glow),
              0 0 28px -2px color-mix(in oklab, var(--copper-glow), transparent 55%);
}
[data-design="b"] .rf-cta[data-near="true"] .rf-cta__arrow {
  transform: translateX(3px);
}
[data-design="b"] .rf-cta:active {
  transform: translateY(1px);
}
[data-design="b"] .rf-funnel__actions .rf-cta {
  min-height: 48px;
}
@keyframes conductor-b-cta-breath {
  0%, 100% { box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 0 0 1px var(--copper), 0 0 0 0 transparent; }
  50%      { box-shadow: inset 0 1px 0 rgba(255,255,255,.10), 0 0 0 1px var(--copper-glow), 0 0 18px -4px color-mix(in oklab, var(--copper-glow), transparent 70%); }
}

/* ═══════════════════════════════════════════════════════════════════
   E6 · POINTER — between hero and funnel (wayfinding, not button)
   Gate-critical: opacity:1, height ≥8px at all viewports
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"] .rf-pointer {
  display: flex;
  align-items: center;
  gap: var(--gap-conduit);
  padding: var(--gap-bus) clamp(16px, 5vw, 80px);
  opacity: 1;
  min-height: 64px;
  background: var(--panel-bg);
  border-bottom: 1px solid var(--graphite);
}

[data-design="b"] .b-pointer__rule {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--graphite));
}
[data-design="b"] .b-pointer__rule--right {
  background: linear-gradient(90deg, var(--graphite), transparent);
}

[data-design="b"] .b-pointer__label {
  display: flex;
  align-items: center;
  gap: var(--gap-knock);
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--copper);
  white-space: nowrap;
  opacity: 1;
}

[data-design="b"] .b-pointer__text {
  opacity: 1;
}

[data-design="b"] .b-pointer__chev {
  font-size: 18px;
  color: var(--copper-glow);
  opacity: 1;
  animation: conductor-b-pointer-chev 4s var(--ease-hum) infinite;
}
@keyframes conductor-b-pointer-chev {
  0%, 100% { transform: translateX(0);   opacity: 0.55; }
  50%      { transform: translateX(4px); opacity: 1.0;  }
}

/* ═══════════════════════════════════════════════════════════════════
   E5 · SERVICE-INTAKE FUNNEL
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"] .rf-interactive {
  padding: var(--gap-service) clamp(16px, 4vw, 40px);
  background: var(--panel-bg);
}

[data-design="b"] .rf-funnel {
  max-width: 720px;
  margin-inline: auto;
  background: var(--panel-bg-2);
  border: 1px solid var(--graphite);
  border-radius: var(--r-junction);
  padding: var(--gap-bus) var(--gap-circuit);
  position: relative;
}

/* Progress bar */
[data-design="b"] .rf-funnel__progress {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--gap-bus);
  display: flex;
  gap: var(--gap-conduit);
  flex-wrap: wrap;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-tertiary);
}
[data-design="b"] .rf-funnel__progress li {
  display: flex;
  align-items: center;
  gap: 6px;
}
[data-design="b"] .rf-funnel__progress span {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border: 1px solid var(--graphite);
  border-radius: var(--r-cap);
  color: var(--ink-secondary);
  font-size: 10px;
}
[data-design="b"] .rf-funnel__progress li.is-active span {
  background: var(--copper);
  color: #0E1116;
  border-color: var(--copper);
  box-shadow: 0 0 16px -2px color-mix(in oklab, var(--copper-glow), transparent 55%);
}
[data-design="b"] .rf-funnel__progress li.is-done span {
  background: transparent;
  color: var(--copper);
  border-color: var(--copper);
}

/* Steps */
[data-design="b"] .rf-funnel__step {
  border: 0;
  padding: 0;
  margin: 0;
  animation: conductor-b-step-in var(--dur-trace) var(--ease-trace);
}
@keyframes conductor-b-step-in {
  from { opacity: 0.2; transform: translateY(6px); }
  to   { opacity: 1;   transform: translateY(0);   }
}
[data-design="b"] .rf-funnel__step h3 {
  font-family: var(--font-headline);
  font-size: clamp(20px, 3vw, 26px);
  letter-spacing: -0.005em;
  margin: var(--gap-knock) 0 var(--gap-conduit);
  color: var(--ink-primary);
}

[data-design="b"] .rf-funnel__note {
  font-size: 14px;
  color: var(--ink-secondary);
  margin: 0 0 var(--gap-circuit);
  line-height: 1.5;
}

/* Multi-select / radio grid */
[data-design="b"] .rf-funnel__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--gap-conduit);
}
[data-design="b"] .rf-funnel__grid--multi {
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}
[data-design="b"] .rf-funnel__grid label {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--gap-knock);
  padding: 13px 15px;
  background: var(--panel-bg-3);
  border: 1px solid var(--graphite);
  border-radius: var(--r-junction);
  cursor: pointer;
  color: var(--ink-primary);
  font-size: 15px;
  transition: border-color var(--dur-energize) var(--ease-energize),
              background var(--dur-energize) var(--ease-energize);
  min-height: 48px;
  user-select: none;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-funnel__grid label:hover {
    border-color: color-mix(in oklab, var(--graphite), var(--copper) 40%);
  }
}
[data-design="b"] .rf-funnel__grid input {
  accent-color: var(--copper);
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}
[data-design="b"] .rf-funnel__grid label:has(input:checked) {
  border-color: var(--copper);
  box-shadow: inset 0 0 0 1px var(--copper),
              0 0 22px -8px color-mix(in oklab, var(--copper-glow), transparent 50%);
}

[data-design="b"] .rf-funnel__actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--gap-bus);
  gap: var(--gap-conduit);
  flex-wrap: wrap;
}

[data-design="b"] .rf-link {
  background: transparent;
  border: 0;
  color: var(--ink-secondary);
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 8px 0;
  min-height: 44px;
  transition: color var(--dur-energize) var(--ease-energize);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-link:hover { color: var(--copper); }
}

/* Contact lugs */
[data-design="b"] .rf-funnel__lugs {
  display: grid;
  gap: var(--gap-conduit);
}
[data-design="b"] .rf-lug {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-secondary);
}
[data-design="b"] .rf-lug input {
  font-family: var(--font-body);
  font-size: 16px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink-primary);
  background: var(--panel-bg-3);
  border: 1px solid var(--graphite);
  border-radius: var(--r-junction);
  padding: 12px 14px;
  outline: none;
  transition: border-color var(--dur-energize) var(--ease-energize),
              box-shadow var(--dur-energize) var(--ease-energize);
  min-height: 48px;
}
[data-design="b"] .rf-lug input:focus {
  border-color: var(--copper);
  box-shadow: 0 0 0 1px var(--copper);
}

/* Confirmation */
[data-design="b"] .rf-funnel__done {
  text-align: left;
  padding: var(--gap-circuit) 0;
  animation: conductor-b-step-in var(--dur-trace) var(--ease-trace);
}
[data-design="b"] .rf-funnel__done h3 {
  font-family: var(--font-headline);
  font-size: clamp(22px, 3vw, 28px);
  color: var(--ink-primary);
  margin: var(--gap-knock) 0;
}
[data-design="b"] .rf-funnel__done-body {
  font-size: 16px;
  color: var(--ink-secondary);
  line-height: 1.65;
  max-width: 52ch;
}
[data-design="b"] .rf-done__phone {
  color: var(--copper-glow);
  text-decoration: none;
  font-family: var(--font-display);
}

/* ═══════════════════════════════════════════════════════════════════
   SERVICE WALL — breadth-list / credibility surface
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"] .rf-services {
  padding: var(--gap-service) clamp(16px, 4vw, 40px);
  border-top: 1px solid var(--graphite);
  border-bottom: 1px solid var(--graphite);
  position: relative;
}

[data-design="b"] .rf-section-head {
  max-width: 1280px;
  margin-inline: auto;
  margin-bottom: var(--gap-bus);
}
[data-design="b"] .rf-section-head h2 {
  font-family: var(--font-headline);
  font-size: clamp(28px, 4vw, 36px);
  letter-spacing: -0.01em;
  margin: 0 0 var(--gap-conduit);
  color: var(--ink-primary);
  max-width: 32ch;
}

/* ─── E4 · Ambient segment B — wiring color spool rail ─── */
[data-design="b"] .rf-ambient-b {
  position: absolute;
  left: clamp(4px, 1.5vw, 16px);
  top: var(--gap-service);
  bottom: var(--gap-service);
  width: 40px;
  pointer-events: none;
}
[data-design="b"] .rf-spool {
  position: relative;
  display: flex;
  align-items: stretch;
  gap: var(--gap-trace);
  height: 100%;
}
[data-design="b"] .rf-spool--tall {
  height: clamp(160px, 28vw, 240px);
}
[data-design="b"] .rf-spool__bar {
  flex: 1 1 0;
  min-width: 4px;
  max-width: 8px;
  border-radius: var(--r-junction);
  opacity: 0.18;
  transition: opacity var(--dur-energize) var(--ease-energize);
}
[data-design="b"] .rf-spool__bar[data-c="black"] { background: var(--wire-black); border: 1px solid var(--graphite); }
[data-design="b"] .rf-spool__bar[data-c="red"]   { background: var(--wire-red); }
[data-design="b"] .rf-spool__bar[data-c="blue"]  { background: var(--wire-blue); }
[data-design="b"] .rf-spool__bar[data-c="white"] { background: var(--wire-white); }
[data-design="b"] .rf-spool__bar[data-c="green"] { background: var(--wire-green); }

[data-design="b"] .rf-spool .rf-spool__bar {
  animation: conductor-b-spool var(--dur-cycle-b) steps(1, end) infinite;
}
[data-design="b"] .rf-spool .rf-spool__bar[data-c="black"] { animation-delay: 0s; }
[data-design="b"] .rf-spool .rf-spool__bar[data-c="red"]   { animation-delay: calc(var(--dur-cycle-b) / -5 * 4); }
[data-design="b"] .rf-spool .rf-spool__bar[data-c="blue"]  { animation-delay: calc(var(--dur-cycle-b) / -5 * 3); }
[data-design="b"] .rf-spool .rf-spool__bar[data-c="white"] { animation-delay: calc(var(--dur-cycle-b) / -5 * 2); }
[data-design="b"] .rf-spool .rf-spool__bar[data-c="green"] { animation-delay: calc(var(--dur-cycle-b) / -5 * 1); }
@keyframes conductor-b-spool {
  0%, 18% { opacity: 1;    transform: scaleY(1);    }
  20%, 100% { opacity: 0.18; transform: scaleY(0.96); }
}
[data-design="b"] .rf-spool__label {
  position: absolute;
  left: 0;
  bottom: -22px;
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-tertiary);
  white-space: nowrap;
}

/* Services card grid */
[data-design="b"] .rf-services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--gap-circuit);
  max-width: 1280px;
  margin-inline: auto;
  padding-left: clamp(40px, 5vw, 64px);
}
[data-design="b"] .rf-plate {
  background: var(--panel-bg-2);
  border: 1px solid var(--graphite);
  border-radius: var(--r-junction);
  padding: var(--gap-circuit);
  transition: border-color var(--dur-energize) var(--ease-energize);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-plate:hover {
    border-color: var(--copper);
  }
}
[data-design="b"] .rf-plate__code {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--copper);
  margin: 0 0 var(--gap-knock);
}
[data-design="b"] .rf-plate__name {
  font-family: var(--font-headline);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-primary);
  margin: 0 0 var(--gap-knock);
}
[data-design="b"] .rf-plate__spec {
  font-size: 14px;
  color: var(--ink-secondary);
  line-height: 1.55;
  margin: 0;
}

/* Repeated CTA row */
[data-design="b"] .rf-services__cta-row {
  display: flex;
  justify-content: center;
  padding-top: var(--gap-bus);
  padding-left: clamp(40px, 5vw, 64px);
  max-width: 1280px;
  margin-inline: auto;
}

/* ═══════════════════════════════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"] .rf-about {
  padding: var(--gap-service) clamp(16px, 4vw, 40px);
  border-top: 1px solid var(--graphite);
}
[data-design="b"] .rf-about__inner {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: var(--gap-bus);
  max-width: 1280px;
  margin-inline: auto;
}
[data-design="b"] .rf-about__spool-wrap {
  display: flex;
  align-items: flex-start;
}
[data-design="b"] .rf-about__body {
  max-width: 640px;
}
[data-design="b"] .rf-about__body h2 {
  font-family: var(--font-headline);
  font-size: clamp(26px, 3.5vw, 32px);
  letter-spacing: -0.01em;
  margin: 0 0 var(--gap-conduit);
  color: var(--ink-primary);
  max-width: 32ch;
}
[data-design="b"] .rf-about__body p {
  font-size: clamp(16px, 1.8vw, 18px);
  color: var(--ink-secondary);
  line-height: 1.65;
  margin: 0 0 var(--gap-conduit);
  max-width: 60ch;
}
[data-design="b"] .rf-about__phone {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--copper-glow);
  text-decoration: none;
  letter-spacing: 0.04em;
  margin-top: var(--gap-conduit);
  min-height: 56px;
}

/* ═══════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"] .rf-footer {
  border-top: 1px solid var(--graphite);
  background: var(--panel-bg-2);
}
[data-design="b"] .rf-footer__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--gap-bus);
  padding: var(--gap-service) clamp(16px, 4vw, 40px);
  max-width: 1280px;
  margin-inline: auto;
}
[data-design="b"] .rf-footer__block {
  display: flex;
  flex-direction: column;
  gap: var(--gap-knock);
}
[data-design="b"] .rf-footer__name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-primary);
  letter-spacing: -0.005em;
  margin: 0;
}
[data-design="b"] .rf-footer__phone {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--copper-glow);
  text-decoration: none;
  letter-spacing: 0.04em;
  margin: 0;
  min-height: 44px;
  display: flex;
  align-items: center;
}
[data-design="b"] .rf-footer__area,
[data-design="b"] .rf-footer__list,
[data-design="b"] .rf-footer__note {
  font-size: 14px;
  color: var(--ink-secondary);
  line-height: 1.55;
  margin: 0;
}
[data-design="b"] .rf-footer__cta {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--copper);
  text-decoration: none;
  min-height: 44px;
  display: flex;
  align-items: center;
  transition: color var(--dur-energize) var(--ease-energize);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-footer__cta:hover {
    color: var(--copper-glow);
  }
}
[data-design="b"] .rf-footer__bar {
  border-top: 1px solid var(--graphite);
  padding: var(--gap-circuit) clamp(16px, 4vw, 40px);
  max-width: 1280px;
  margin-inline: auto;
}
[data-design="b"] .rf-footer__copy {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-tertiary);
  margin: 0;
}

/* ═══════════════════════════════════════════════════════════════════
   SCROLL MOTION — TRIAD-2 (genuine scroll-linked, not just fade-in)
   Services grid cards energize in with translate on scroll
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"] .rf-plate {
  opacity: 1;
  transform: translateY(0);
}
[data-design="b"] .rf-plate.is-offscreen {
  opacity: 0.2;
  transform: translateY(24px);
}
[data-design="b"] .rf-plate.is-entering {
  transition: opacity var(--dur-trace) var(--ease-trace),
              transform var(--dur-trace) var(--ease-trace);
  opacity: 1;
  transform: translateY(0);
}

/* About section scroll-parallax */
[data-design="b"] .rf-about__inner {
  will-change: transform;
}

/* ═══════════════════════════════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .rf-busbar__current,
  [data-design="b"] .rf-hero__trace,
  [data-design="b"] .rf-hero__node,
  [data-design="b"] .b-pointer__chev,
  [data-design="b"] .conductor-pointer__counter-now,
  [data-design="b"] .conductor-pointer__chev {
    animation: none;
  }
  [data-design="b"] .rf-busbar__current {
    transform: translateX(180%);
    opacity: 0.5;
  }
  [data-design="b"] .rf-hero__trace {
    transform: translateX(50%);
    opacity: 0.3;
  }
  [data-design="b"] .rf-hero__node {
    opacity: 0.5;
  }
  [data-design="b"] .rf-cta {
    animation: none;
  }
  [data-design="b"] .rf-funnel__step,
  [data-design="b"] .rf-funnel__done {
    animation: none;
  }
  [data-design="b"] .rf-spool__bar {
    animation: none;
    opacity: 0.6;
  }
  [data-design="b"] .rf-drawer {
    transition: none;
  }
  [data-design="b"] .rf-plate.is-offscreen {
    opacity: 1;
    transform: none;
  }
  [data-design="b"] .rf-plate.is-entering {
    transition: none;
  }
}

/* ═══════════════════════════════════════════════════════════════════
   MOBILE / RESPONSIVE — no h-scroll at 320/390/768/1440
   All rules scoped to .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; }

@media (max-width: 768px) {
  [data-design="b"] .rf-hero {
    min-height: auto;
    padding: clamp(80px, 14vw, 120px) clamp(16px, 5vw, 32px) clamp(56px, 8vw, 80px);
  }
  [data-design="b"] .rf-hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }
  [data-design="b"] .rf-cta {
    width: 100%;
    justify-content: center;
  }
  [data-design="b"] .rf-hero__phone {
    width: 100%;
    justify-content: center;
  }
  [data-design="b"] .rf-about__inner {
    grid-template-columns: 1fr;
  }
  [data-design="b"] .rf-about__spool-wrap {
    display: none;
  }
  [data-design="b"] .rf-footer__bar {
    width: 100%;
    padding-inline: clamp(16px, 4vw, 40px);
  }
}

@media (max-width: 560px) {
  [data-design="b"] .rf-funnel {
    padding: var(--gap-circuit) var(--gap-conduit);
  }
  [data-design="b"] .rf-funnel__progress {
    gap: 10px;
    font-size: 10px;
  }
  [data-design="b"] .rf-funnel__grid {
    grid-template-columns: 1fr 1fr;
  }
  [data-design="b"] .rf-funnel__grid--multi {
    grid-template-columns: 1fr 1fr;
  }
  [data-design="b"] .rf-services__grid {
    padding-left: var(--gap-conduit);
  }
  [data-design="b"] .rf-ambient-b {
    display: none;
  }
  [data-design="b"] .rf-header__bar {
    padding-inline: 12px;
    min-height: 56px;
  }
  [data-design="b"] .b-pointer__label {
    font-size: 10px;
  }
  [data-design="b"] .rf-funnel__actions {
    flex-direction: column-reverse;
    align-items: stretch;
  }
  [data-design="b"] .rf-funnel__actions .rf-cta {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 380px) {
  [data-design="b"] .rf-funnel__grid--multi {
    grid-template-columns: 1fr;
  }
  [data-design="b"] .rf-header__bar {
    padding-inline: 10px;
  }
}

/* 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; }