/* ═══════════════════════════════════════════════════════════
   Phasor · Design B — Tampa Plumber
   All selectors scoped to [data-design="b"].dq-design
   Keyframes prefixed phasor-b-* (collision-safe)
   ═══════════════════════════════════════════════════════════ */

/* ── Token block ───────────────────────────────────────────── */
[data-design="b"] {
  --ph-graphite:    #16191c;
  --ph-graphite-2:  #1f2226;
  --ph-paper:       #f4f1ea;
  --ph-ink:         #e9e6e0;
  --ph-ink-dark:    #1a1a1a;
  --ph-muted:       #7b818a;
  --ph-line:        #2a2e34;
  --ph-line-paper:  #d8d2c2;
  --ph-copper:      #c08552;
  --ph-phosphor:    #b8e6a8;
  --ph-arc:         #4dd0c9;
  --ph-hot:         #d94a3b;
  --ph-success:     #7fb069;

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

  --font-display: 'GT America Mono', 'JetBrains Mono', ui-monospace, monospace;
  --font-body:    'Söhne', 'Inter', -apple-system, sans-serif;

  --ease-needle:  cubic-bezier(0.22, 1, 0.36, 1);
  --ease-current: cubic-bezier(0.45, 0, 0.55, 1);
  --ease-stamp:   cubic-bezier(0.5, -0.05, 0.4, 1.15);

  --dur-flick:    120ms;
  --dur-settle:   240ms;
  --dur-register: 420ms;
  --dur-sweep:    24s;
  --dur-breath:   4.6s;
  --dur-hum:      18s;

  /* space tokens */
  --space-pin-1:   4px;
  --space-pin-2:   8px;
  --space-pin-3:   12px;
  --space-clamp-4: 16px;
  --space-clamp-5: 24px;
  --space-clamp-6: 32px;
  --space-bay-7:   48px;
  --space-bay-8:   72px;
  --space-rack-9:  112px;

  /* elevation */
  --elev-ring:   inset 0 0 0 1px var(--ph-line);
  --elev-bright: inset 0 1px 0 0 color-mix(in oklab, var(--ph-ink) 14%, transparent);
  --elev-press:  inset 0 1px 0 0 color-mix(in oklab, #000 34%, transparent), inset 0 0 0 1px var(--ph-line);

  background: var(--ph-graphite);
  color: var(--ph-ink);
  font-family: var(--font-body);
}

/* ── Article containment ───────────────────────────────────── */
[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;
}

/* ═══════════════════════════════════════════════════════════
   E1 — HEADER
   ═══════════════════════════════════════════════════════════ */
[data-design="b"] .rf-header {
  position: sticky; top: 0; z-index: 40;
  background: var(--ph-graphite);
  border-bottom: 1px solid var(--ph-line);
}
[data-design="b"] .rf-header__trace {
  position: absolute; inset: auto 0 -1px 0; height: 40px;
  pointer-events: none; opacity: 0.7;
}
[data-design="b"] .rf-header__trace svg { width: 100%; height: 100%; display: block; }
[data-design="b"] .rf-trace__rail { stroke: var(--ph-line); stroke-width: 1; }
[data-design="b"] .rf-trace__wave {
  fill: none;
  stroke: var(--ph-phosphor);
  stroke-width: 1.25;
  stroke-linecap: round;
  filter: drop-shadow(0 0 4px color-mix(in oklab, var(--ph-phosphor) 60%, transparent));
  stroke-dasharray: 12 8;
  animation: phasor-b-trace-shift var(--dur-sweep, 24s) linear infinite;
}
[data-design="b"] .rf-trace__dot {
  fill: var(--ph-phosphor);
  filter: drop-shadow(0 0 6px var(--ph-phosphor));
}
@keyframes phasor-b-trace-shift {
  0%   { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -200; }
}
[data-design="b"] .rf-header__bar {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px clamp(20px, 4vw, 48px);
  max-width: 1440px; margin: 0 auto;
}
[data-design="b"] .rf-logo {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--ph-ink); text-decoration: none;
  font-family: var(--font-display);
  font-size: 14px; letter-spacing: 0.06em; text-transform: uppercase;
}
[data-design="b"] .rf-logo__pin { color: var(--ph-copper); font-size: 9px; }

[data-design="b"] .rf-burger {
  appearance: none; background: transparent;
  border: 1px solid var(--ph-line);
  width: 44px; height: 44px;
  display: inline-flex; flex-direction: column;
  justify-content: center; align-items: center;
  gap: 5px; cursor: pointer;
  transition: border-color var(--dur-flick) var(--ease-needle);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-burger:hover { border-color: var(--ph-copper); }
}
[data-design="b"] .rf-burger:focus-visible { outline: 2px solid var(--ph-phosphor); outline-offset: 2px; }
[data-design="b"] .rf-burger__bar {
  display: block; width: 18px; height: 1px; background: var(--ph-ink);
}

/* Drawer */
[data-design="b"] .rf-drawer {
  position: fixed; inset: 0;
  background: var(--ph-graphite-2);
  z-index: 60; padding: 88px clamp(20px, 6vw, 80px) 40px;
  transform: translateY(-100%);
  transition: transform 320ms var(--ease-needle);
  display: block;
}
[data-design="b"] .rf-drawer[hidden] {
  pointer-events: none;
}
[data-design="b"] .rf-drawer:not([hidden]) { transform: translateY(0); }
[data-design="b"] .rf-drawer__close {
  position: absolute; top: 24px; right: clamp(20px, 4vw, 48px);
  background: transparent; border: 1px solid var(--ph-line);
  color: var(--ph-ink); font-size: 20px;
  width: 44px; height: 44px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
[data-design="b"] .rf-nav {
  display: flex; flex-direction: column; gap: 20px;
}
[data-design="b"] .rf-nav a {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 5.5vw, 48px);
  color: var(--ph-ink); text-decoration: none;
  border-bottom: 1px solid var(--ph-line); padding-bottom: 16px;
  letter-spacing: -0.01em;
  transition: color var(--dur-flick) var(--ease-needle);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-nav a:hover { color: var(--ph-copper); }
  [data-design="b"] .rf-nav a:hover .rf-nav__bullet { color: var(--ph-phosphor); }
}
[data-design="b"] .rf-nav__bullet { color: var(--ph-copper); font-size: 10px; flex-shrink: 0; }
[data-design="b"] .rf-drawer__phone {
  display: inline-block; margin-top: 32px;
  font-family: var(--font-display); font-size: 18px;
  color: var(--ph-copper); text-decoration: none; letter-spacing: 0.04em;
}

/* ═══════════════════════════════════════════════════════════
   HERO — E3 ambient backdrop + hero copy (E2 CTA inside)
   isolation:isolate ensures text is top-most paint
   ═══════════════════════════════════════════════════════════ */
[data-design="b"] .rf-ambient-a {
  isolation: isolate;
  position: relative;
  display: grid;
  gap: clamp(32px, 5vw, 80px);
  grid-template-columns: 1.3fr 1fr;
  grid-template-rows: auto;
  padding: clamp(64px, 10vw, 140px) clamp(20px, 4vw, 48px);
  max-width: 1440px;
  margin: 0 auto;
  align-items: center;
  min-height: 70vh;
}

/* Copy column — explicit z-index above backdrop */
[data-design="b"] .rf-ambient-a__copy {
  position: relative;
  z-index: 2;
  order: 1;
}

/* Backdrop panel column */
[data-design="b"] .rf-ambient-a__panel {
  position: relative;
  min-height: 320px;
  order: 2;
  z-index: 1;
}

[data-design="b"] .rf-kicker {
  font-family: var(--font-display);
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ph-copper); margin: 0 0 24px 0;
}
[data-design="b"] .rf-headline {
  font-family: var(--font-display);
  font-size: clamp(32px, 5.5vw, 72px);
  line-height: 1.06; letter-spacing: -0.02em;
  color: var(--ph-ink); margin: 0 0 24px 0;
  opacity: 1;
}
[data-design="b"] .rf-lede {
  font-family: var(--font-body);
  font-size: clamp(16px, 2vw, 20px); line-height: 1.55;
  color: var(--ph-muted); max-width: 48ch; margin: 0 0 32px 0;
  opacity: 1;
}
[data-design="b"] .rf-hero__tag {
  margin: 16px 0 0 0;
  font-family: var(--font-display); font-size: 11px;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ph-muted); opacity: 1;
}

/* Hero backdrop sinewave */
[data-design="b"] .rf-ambient-a__wave {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none; opacity: 0.55;
}
[data-design="b"] .rf-ambient-a__wave path {
  fill: none; stroke: var(--ph-phosphor); stroke-width: 1; stroke-linecap: round;
  filter: drop-shadow(0 0 6px color-mix(in oklab, var(--ph-phosphor) 50%, transparent));
  animation: phasor-b-hum var(--dur-hum, 18s) var(--ease-current) infinite;
}
@keyframes phasor-b-hum {
  0%   { transform: translateX(-4%); opacity: 0.35; }
  50%  { transform: translateX(0);   opacity: 0.7; }
  100% { transform: translateX(-4%); opacity: 0.35; }
}

/* Instrument panel */
[data-design="b"] .rf-panel {
  position: relative;
  background: var(--ph-graphite-2);
  box-shadow: var(--elev-ring), var(--elev-bright);
  padding: 22px;
}
[data-design="b"] .rf-panel__plate {
  font-family: var(--font-display); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ph-muted); margin-bottom: 18px;
  padding-bottom: 12px; border-bottom: 1px solid var(--ph-line);
}
[data-design="b"] .rf-panel__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: var(--ph-line);
}
[data-design="b"] .rf-slot {
  background: var(--ph-graphite-2);
  display: flex; align-items: center; gap: 10px;
  padding: 11px 12px;
  font-family: var(--font-display); font-size: 10px;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ph-ink);
}
[data-design="b"] .rf-slot__num { color: var(--ph-muted); width: 18px; flex-shrink: 0; }
[data-design="b"] .rf-slot__lbl { flex: 1; }
[data-design="b"] .rf-slot--live { color: var(--ph-phosphor); }
[data-design="b"] .rf-slot__dot {
  width: 8px; height: 8px; border-radius: 999px;
  background: var(--ph-phosphor);
  filter: drop-shadow(0 0 6px var(--ph-phosphor));
  flex-shrink: 0;
  animation: phasor-b-mains 2.4s var(--ease-current) infinite;
}
@keyframes phasor-b-mains {
  0%, 100% { opacity: 0.45; transform: scale(0.85); }
  50%       { opacity: 1;    transform: scale(1.1); }
}

/* ═══════════════════════════════════════════════════════════
   E2 — CTA (Phone button)
   ═══════════════════════════════════════════════════════════ */
[data-design="b"] .rf-cta {
  position: relative; display: inline-flex; align-items: center; gap: 14px;
  padding: 16px 22px;
  background: var(--ph-copper); color: var(--ph-graphite);
  font-family: var(--font-display); font-size: 14px;
  letter-spacing: 0.06em; text-transform: uppercase; text-decoration: none;
  border: 1px solid color-mix(in oklab, var(--ph-copper) 80%, #000);
  border-radius: 2px;
  box-shadow: inset 0 1px 0 0 color-mix(in oklab, #fff 22%, transparent);
  overflow: hidden;
  transition: transform var(--dur-flick) var(--ease-needle),
              background var(--dur-flick) var(--ease-needle);
  will-change: transform;
  min-height: 44px;
}
[data-design="b"] .rf-cta__plate { font-size: 11px; opacity: 0.7; }
[data-design="b"] .rf-cta__label { letter-spacing: 0.04em; font-weight: 500; }
[data-design="b"] .rf-cta__arrow {
  display: inline-flex;
  transition: transform var(--dur-flick) var(--ease-needle);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-cta:hover { background: color-mix(in oklab, var(--ph-copper) 90%, #fff); }
  [data-design="b"] .rf-cta:hover .rf-cta__arrow { transform: rotate(8deg) translateX(2px); }
}
[data-design="b"] .rf-cta:focus-visible {
  outline: 2px solid var(--ph-phosphor); outline-offset: 3px;
}
[data-design="b"] .rf-cta:active {
  transform: translateY(1px) scale(0.997);
  box-shadow: var(--elev-press);
}
[data-design="b"] .rf-cta__pulse {
  position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--ph-phosphor) 40%, var(--ph-phosphor) 60%, transparent 100%);
  filter: drop-shadow(0 0 6px var(--ph-phosphor));
  transform: translateX(-100%);
  animation: phasor-b-cta-pulse var(--dur-breath, 4.6s) var(--ease-current) infinite;
}
@keyframes phasor-b-cta-pulse {
  0%   { transform: translateX(-100%); opacity: 0; }
  20%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translateX(100%);  opacity: 0; }
}

/* Ghost CTA variant */
[data-design="b"] .rf-cta--ghost {
  background: transparent;
  color: var(--ph-copper);
  border-color: var(--ph-copper);
  box-shadow: none;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-cta--ghost:hover {
    background: color-mix(in oklab, var(--ph-copper) 12%, transparent);
  }
}

/* Paper CTA (for funnel submit) */
[data-design="b"] .rf-cta--paper {
  background: var(--ph-graphite);
  color: var(--ph-paper);
  border-color: var(--ph-graphite);
  box-shadow: none;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-cta--paper:hover {
    background: color-mix(in oklab, var(--ph-graphite) 86%, var(--ph-copper));
  }
}

/* ═══════════════════════════════════════════════════════════
   SCROLL PARALLAX — hero section scroll-driven motion (TRIAD-2)
   Uses CSS scroll-timeline for genuine scroll-driven animation.
   Backdrop panel translates upward as user scrolls down hero.
   ═══════════════════════════════════════════════════════════ */
@supports (animation-timeline: scroll()) {
  [data-design="b"] .rf-ambient-a {
    animation: phasor-b-hero-parallax linear both;
    animation-timeline: scroll(root block);
    animation-range: 0% 30%;
  }
  @keyframes phasor-b-hero-parallax {
    0%   { --hero-parallax-offset: 0px; }
    100% { --hero-parallax-offset: -40px; }
  }
  [data-design="b"] .rf-ambient-a__panel {
    transform: translateY(var(--hero-parallax-offset, 0px));
    transition: none;
  }
}

/* JS fallback scroll parallax (for browsers without animation-timeline) */
[data-design="b"] .rf-ambient-a__panel.js-parallax-active {
  will-change: transform;
}

/* ═══════════════════════════════════════════════════════════
   E4 — SERVICES + ambient B topology
   ═══════════════════════════════════════════════════════════ */
[data-design="b"] .rf-ambient-b {
  display: grid; gap: clamp(32px, 5vw, 80px);
  grid-template-columns: 1.2fr 1fr;
  padding: clamp(48px, 9vw, 120px) clamp(20px, 4vw, 48px);
  max-width: 1440px; margin: 0 auto;
  border-top: 1px solid var(--ph-line);
}
[data-design="b"] .rf-h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.5vw, 48px); line-height: 1.1;
  letter-spacing: -0.015em; color: var(--ph-ink);
  margin: 0 0 32px 0;
}
[data-design="b"] .rf-services {
  list-style: none; padding: 0; margin: 0 0 32px 0;
  border-top: 1px solid var(--ph-line);
}
[data-design="b"] .rf-services li {
  display: grid; grid-template-columns: 44px 1fr auto; gap: 16px;
  align-items: baseline;
  padding: 18px 4px;
  border-bottom: 1px solid var(--ph-line);
  font-family: var(--font-body); color: var(--ph-ink);
  transition: background var(--dur-flick) var(--ease-needle);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-services li:hover {
    background: color-mix(in oklab, var(--ph-graphite-2) 70%, transparent);
  }
}
[data-design="b"] .rf-services li .num {
  font-family: var(--font-display); color: var(--ph-copper);
  font-size: 11px; letter-spacing: 0.06em;
}
[data-design="b"] .rf-services li .name { font-size: 16px; }
[data-design="b"] .rf-services li .spec {
  font-family: var(--font-display); color: var(--ph-muted);
  font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase;
}
[data-design="b"] .rf-services__cta-inline { margin-top: 8px; }

[data-design="b"] .rf-ambient-b__topo {
  align-self: center; justify-self: stretch;
  background: var(--ph-graphite-2);
  box-shadow: var(--elev-ring), var(--elev-bright);
  padding: 24px;
}
[data-design="b"] .rf-ambient-b__topo svg { width: 100%; height: auto; display: block; }
[data-design="b"] .rf-topo__paths path {
  fill: none; stroke: var(--ph-line); stroke-width: 1.25;
}
[data-design="b"] .rf-topo__paths path.is-live {
  stroke: var(--ph-phosphor);
  filter: drop-shadow(0 0 4px color-mix(in oklab, var(--ph-phosphor) 60%, transparent));
  transition: stroke 200ms var(--ease-needle);
}
[data-design="b"] .rf-topo__nodes circle {
  fill: var(--ph-graphite-2); stroke: var(--ph-line); stroke-width: 1.5;
  transition: fill 200ms var(--ease-needle), stroke 200ms var(--ease-needle);
}
[data-design="b"] .rf-topo__nodes circle.is-live {
  fill: var(--ph-phosphor); stroke: var(--ph-phosphor);
  filter: drop-shadow(0 0 8px var(--ph-phosphor));
}
[data-design="b"] .rf-topo__labels text {
  font-family: var(--font-display); font-size: 9px; fill: var(--ph-muted);
  letter-spacing: 0.08em; text-transform: uppercase;
}

/* ═══════════════════════════════════════════════════════════
   SERVICE AREA
   ═══════════════════════════════════════════════════════════ */
[data-design="b"] .rf-service-area {
  border-top: 1px solid var(--ph-line);
  padding: clamp(48px, 8vw, 112px) clamp(20px, 4vw, 48px);
}
[data-design="b"] .rf-service-area__inner {
  max-width: 720px; margin: 0 auto;
  display: flex; flex-direction: column; align-items: flex-start;
}
[data-design="b"] .rf-service-area__copy {
  font-family: var(--font-body); font-size: 17px; line-height: 1.6;
  color: var(--ph-muted); max-width: 60ch; margin: 0 0 40px 0;
}
[data-design="b"] .rf-service-area__map {
  position: relative;
  width: 160px; height: 160px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 32px;
}
[data-design="b"] .rf-map__pulse-ring {
  position: absolute;
  width: 100%; height: 100%; border-radius: 50%;
  border: 1px solid var(--ph-copper);
  opacity: 0.4;
  animation: phasor-b-area-pulse 4s var(--ease-current) infinite;
}
@keyframes phasor-b-area-pulse {
  0%, 100% { transform: scale(0.92); opacity: 0.2; }
  50%       { transform: scale(1);    opacity: 0.5; }
}
[data-design="b"] .rf-map__dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--ph-copper);
  filter: drop-shadow(0 0 6px var(--ph-copper));
}
[data-design="b"] .rf-map__label {
  position: absolute; bottom: -20px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ph-muted); white-space: nowrap;
}

/* ═══════════════════════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════════════════════ */
[data-design="b"] .rf-about {
  border-top: 1px solid var(--ph-line);
  padding: clamp(48px, 8vw, 112px) clamp(20px, 4vw, 48px);
}
[data-design="b"] .rf-about__inner {
  max-width: 720px; margin: 0 auto;
}
[data-design="b"] .rf-about__copy {
  font-family: var(--font-body); font-size: 17px; line-height: 1.65;
  color: var(--ph-muted); max-width: 62ch; margin: 0 0 32px 0;
}
[data-design="b"] .rf-about__chips {
  display: flex; flex-wrap: wrap; gap: 10px;
}
[data-design="b"] .rf-chip {
  font-family: var(--font-display); font-size: 11px;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ph-muted);
  border: 1px solid var(--ph-line); padding: 6px 12px;
}

/* ═══════════════════════════════════════════════════════════
   E6 — POINTER (data-mf-role="pointer")
   Hydraulic-warm wayfinding — LAST before #funnel
   ═══════════════════════════════════════════════════════════ */
[data-design="b"] .rf-pointer-wrap {
  display: flex; flex-direction: column; align-items: center;
  gap: 12px;
  padding: clamp(32px, 5vw, 64px) clamp(20px, 4vw, 48px);
  border-top: 1px solid var(--ph-line);
  background: color-mix(in oklab, var(--ph-graphite-2) 60%, transparent);
  opacity: 1;
  min-height: 80px;
}
[data-design="b"] .rf-pointer-wrap__label {
  font-family: var(--font-display); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ph-muted); margin: 0;
  opacity: 1;
}

[data-design="b"] .phasor-pointer {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 0;
  font-variant-numeric: tabular-nums;
  color: var(--ph-copper);
  font-family: var(--font-display);
  max-width: 480px; width: 100%;
  opacity: 1;
}
[data-design="b"] .phasor-pointer__counter {
  font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase;
  opacity: 1;
}
[data-design="b"] .phasor-pointer__counter-now {
  display: inline-block; min-width: 1ch;
}
[data-design="b"] .phasor-pointer__bar {
  position: relative; flex: 1; height: 2px;
  background: currentColor; opacity: 0.2; border-radius: 1px; overflow: hidden;
}
[data-design="b"] .phasor-pointer__bar-fill {
  position: absolute; inset: 0;
  transform: scaleX(var(--phasor-b-pointer-progress, 0.0));
  transform-origin: left;
  background: currentColor; opacity: 1;
  transition: transform 480ms cubic-bezier(0.22, 0.61, 0.36, 1);
}
[data-design="b"] .phasor-pointer__chev {
  font-size: 22px; opacity: 0.6;
  animation: phasor-b-pointer-chev 4s ease-in-out infinite;
}
@keyframes phasor-b-pointer-chev {
  0%, 100% { transform: translateX(0);   opacity: 0.45; }
  50%       { transform: translateX(4px); opacity: 0.9; }
}

/* ═══════════════════════════════════════════════════════════
   E5 — FUNNEL (5-step interactive)
   ═══════════════════════════════════════════════════════════ */
[data-design="b"] .rf-interactive {
  background: var(--ph-paper); color: var(--ph-ink-dark);
  padding: clamp(48px, 9vw, 120px) clamp(20px, 4vw, 48px);
  border-top: 1px solid var(--ph-line-paper);
}
[data-design="b"] .rf-qual {
  max-width: 720px; margin: 0 auto;
  background: var(--ph-paper);
  border: 1px solid var(--ph-line-paper);
  padding: clamp(28px, 4vw, 48px);
}
[data-design="b"] .rf-qual__plate {
  font-family: var(--font-display); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ph-copper);
  margin: 0 0 12px 0;
}
[data-design="b"] .rf-qual__title {
  font-family: var(--font-display); font-size: clamp(22px, 3vw, 34px);
  line-height: 1.1; letter-spacing: -0.015em; color: var(--ph-ink-dark);
  margin: 0 0 22px 0;
}
[data-design="b"] .rf-qual__pips {
  display: flex; gap: 6px; list-style: none; padding: 0; margin: 0 0 32px 0;
}
[data-design="b"] .rf-qual__pips li {
  height: 2px; flex: 1; background: var(--ph-line-paper);
  position: relative; overflow: hidden;
}
[data-design="b"] .rf-qual__pips li.is-active { background: var(--ph-copper); }
[data-design="b"] .rf-qual__pips li.is-active::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, var(--ph-phosphor), transparent);
  transform: translateX(-100%);
  animation: phasor-b-pip-trace 1.2s var(--ease-current);
}
@keyframes phasor-b-pip-trace {
  to { transform: translateX(100%); }
}
[data-design="b"] .rf-qual__step {
  border: 0; padding: 0; margin: 0;
  display: none; opacity: 1; transform: translateY(0);
}
[data-design="b"] .rf-qual__step.is-active { display: block; }
[data-design="b"] .rf-qual__step.is-entering {
  animation: phasor-b-step-enter 280ms var(--ease-needle) both;
}
@keyframes phasor-b-step-enter {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
[data-design="b"] .rf-qual__legend {
  font-family: var(--font-display); font-size: 12px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--ph-muted);
  margin-bottom: 18px;
}
[data-design="b"] .rf-qual__opts {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
[data-design="b"] .rf-qual__opts label {
  position: relative; cursor: pointer;
  border: 1px solid var(--ph-line-paper); padding: 16px 18px;
  font-family: var(--font-display); font-size: 13px; letter-spacing: 0.04em;
  background: color-mix(in oklab, var(--ph-paper) 96%, #000);
  transition: border-color var(--dur-flick) var(--ease-needle),
              background var(--dur-flick) var(--ease-needle);
  min-height: 44px; display: flex; align-items: center;
}
[data-design="b"] .rf-qual__opts input {
  position: absolute; opacity: 0; inset: 0; cursor: pointer; margin: 0;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-qual__opts label:hover { border-color: var(--ph-copper); }
}
[data-design="b"] .rf-qual__opts label:has(input:checked) {
  border-color: var(--ph-copper);
  background: color-mix(in oklab, var(--ph-copper) 14%, var(--ph-paper));
  box-shadow: inset 3px 0 0 0 var(--ph-copper);
}
[data-design="b"] .rf-qual__opts label:focus-within {
  outline: 2px solid var(--ph-copper); outline-offset: 2px;
}
[data-design="b"] .rf-qual__emergency-note {
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid var(--ph-line-paper);
  background: color-mix(in oklab, var(--ph-copper) 8%, var(--ph-paper));
}
[data-design="b"] .rf-qual__emergency-text {
  font-family: var(--font-display); font-size: 13px;
  color: var(--ph-ink-dark); margin: 0; letter-spacing: 0.02em;
}
[data-design="b"] .rf-qual__emergency-text a {
  color: var(--ph-copper); font-weight: 600;
}
[data-design="b"] .rf-qual__summary {
  font-family: var(--font-display); font-size: 12px;
  letter-spacing: 0.06em; color: var(--ph-muted);
  border: 1px solid var(--ph-line-paper); padding: 14px 16px;
  margin-bottom: 22px; min-height: 44px;
}
[data-design="b"] .rf-qual__fields {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px;
}
[data-design="b"] .rf-field { display: flex; flex-direction: column; gap: 6px; }
[data-design="b"] .rf-field--full { grid-column: 1 / -1; margin-bottom: 20px; }
[data-design="b"] .rf-field__lbl {
  font-family: var(--font-display); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--ph-muted);
}
[data-design="b"] .rf-field input {
  background: transparent; color: var(--ph-ink-dark);
  border: 0; border-bottom: 1px solid var(--ph-line-paper);
  padding: 10px 0; font-family: var(--font-body); font-size: 16px;
  transition: border-color 240ms var(--ease-needle);
  border-radius: 0;
}
[data-design="b"] .rf-field input:focus {
  outline: none; border-bottom-color: var(--ph-copper);
}
[data-design="b"] .rf-qual__fineprint {
  font-family: var(--font-display); font-size: 11px;
  letter-spacing: 0.04em; color: var(--ph-muted); margin-top: 14px;
}

/* Funnel footer */
[data-design="b"] .rf-funnel__footer {
  max-width: 720px; margin: 40px auto 0;
  padding-top: 24px; border-top: 1px solid var(--ph-line-paper);
  display: flex; flex-direction: column; gap: 6px;
}
[data-design="b"] .rf-funnel__footer-text {
  font-family: var(--font-display); font-size: 12px;
  letter-spacing: 0.04em; color: var(--ph-muted); margin: 0;
}
[data-design="b"] .rf-funnel__phone {
  color: var(--ph-copper); text-decoration: none;
}

/* ═══════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════ */
[data-design="b"] .rf-footer {
  border-top: 1px solid var(--ph-line);
  padding: 40px clamp(20px, 4vw, 48px);
}
[data-design="b"] .rf-footer__inner {
  max-width: 1440px; margin: 0 auto;
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 24px; justify-content: space-between;
}
[data-design="b"] .rf-footer__brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 13px;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--ph-ink);
}
[data-design="b"] .rf-footer__name { color: var(--ph-ink); }
[data-design="b"] .rf-footer__contact {
  display: flex; flex-wrap: wrap; gap: 16px; align-items: center;
  font-family: var(--font-display); font-size: 12px;
  letter-spacing: 0.04em; text-transform: uppercase;
}
[data-design="b"] .rf-footer__phone {
  color: var(--ph-copper); text-decoration: none; font-size: 14px;
}
[data-design="b"] .rf-footer__area,
[data-design="b"] .rf-footer__emergency { color: var(--ph-muted); }
[data-design="b"] .rf-footer__plate {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 11px;
  letter-spacing: 0.06em; color: var(--ph-muted);
}
[data-design="b"] .rf-footer__live-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ph-phosphor);
  filter: drop-shadow(0 0 4px var(--ph-phosphor));
  animation: phasor-b-mains 2.4s var(--ease-current) infinite;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — mobile / tablet
   ALL rules scoped to .dq-design (no bare [data-design] leakage)
   ═══════════════════════════════════════════════════════════ */
[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: 880px) {
  [data-design="b"] .rf-ambient-a {
    grid-template-columns: 1fr;
  }
  [data-design="b"] .rf-ambient-a__copy { order: 1; }
  [data-design="b"] .rf-ambient-a__panel { order: 2; min-height: 280px; }
  [data-design="b"] .rf-ambient-b { grid-template-columns: 1fr; }
  [data-design="b"] .rf-ambient-b__topo { display: none; }
}

@media (max-width: 560px) {
  [data-design="b"] .rf-header__bar { padding: 14px 18px; }
  [data-design="b"] .rf-qual__opts { grid-template-columns: 1fr; }
  [data-design="b"] .rf-qual__fields { grid-template-columns: 1fr; }
  [data-design="b"] .rf-services li {
    grid-template-columns: 36px 1fr;
  }
  [data-design="b"] .rf-services li .spec { display: none; }
  [data-design="b"] .rf-footer__inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 390px) {
  [data-design="b"] .rf-headline { font-size: 28px; }
  [data-design="b"] .rf-cta { font-size: 13px; padding: 14px 18px; }
}

/* ── Reduced motion ─────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .rf-trace__wave { animation: none; }
  [data-design="b"] .rf-ambient-a__wave path { animation: none; }
  [data-design="b"] .rf-slot__dot { animation: none; opacity: 0.8; }
  [data-design="b"] .rf-cta__pulse { animation: none; opacity: 0.4; transform: none; }
  [data-design="b"] .rf-cta__arrow { transition: none; }
  [data-design="b"] .rf-drawer { transition: none; }
  [data-design="b"] .rf-qual__step { animation: none; }
  [data-design="b"] .rf-qual__pips li.is-active::after { animation: none; }
  [data-design="b"] .rf-topo__paths path,
  [data-design="b"] .rf-topo__nodes circle { transition: none; }
  [data-design="b"] .rf-map__pulse-ring { animation: none; }
  [data-design="b"] .phasor-pointer__chev { animation: none; }
  [data-design="b"] .phasor-pointer__bar-fill { transition: none; }
  [data-design="b"] .rf-footer__live-dot { animation: none; }
  [data-design="b"] .rf-ambient-a__panel { transform: none !important; }
}

/* 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; }