/* ═══════════════════════════════════════════════════════════════
   PHASOR × PLUMBING-JACKSONVILLE — Design A
   All selectors scoped to [data-design="a"]
   ═══════════════════════════════════════════════════════════════ */

/* ── Design tokens ────────────────────────────────────────────── */
[data-design="a"] {
  --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;

  --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-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;
  --space-rack-10:  160px;

  --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);

  --rad-0:   0;
  --rad-1:   2px;
  --rad-pin: 999px;
}

/* ── Base reset for the article ──────────────────────────────── */
[data-design="a"].dq-design {
  background: var(--ph-graphite);
  color: var(--ph-ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  max-width: 100%;
  overflow-x: clip;
  box-sizing: border-box;
}

[data-design="a"].dq-design *,
[data-design="a"] .dq-design * {
  box-sizing: border-box;
  min-width: 0;
}

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

/* ══════════════════════════════════════════════════════════════
   E1: HEADER
   ══════════════════════════════════════════════════════════════ */
[data-design="a"] .rf-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--ph-graphite);
  border-bottom: 1px solid var(--ph-line);
}

[data-design="a"] .rf-header__trace {
  position: absolute;
  inset: auto 0 -1px 0;
  height: 40px;
  pointer-events: none;
  opacity: 0.7;
}

[data-design="a"] .rf-header__trace svg {
  width: 100%;
  height: 100%;
  display: block;
}

[data-design="a"] .rf-trace__rail {
  stroke: var(--ph-line);
  stroke-width: 1;
}

[data-design="a"] .rf-trace__wave {
  fill: none;
  stroke: var(--ph-copper);
  stroke-width: 1.25;
  stroke-linecap: round;
  filter: drop-shadow(0 0 4px color-mix(in oklab, var(--ph-copper) 60%, transparent));
  stroke-dasharray: 12 8;
  animation: a-trace-shift var(--dur-sweep, 24s) linear infinite;
}

[data-design="a"] .rf-trace__dot {
  fill: var(--ph-copper);
  filter: drop-shadow(0 0 6px var(--ph-copper));
}

@keyframes a-trace-shift {
  0%   { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -200; }
}

[data-design="a"] .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="a"] .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="a"] .rf-logo__pin {
  color: var(--ph-copper);
  font-size: 9px;
}

[data-design="a"] .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);
  border-radius: var(--rad-1);
}

@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .rf-burger:hover,
  [data-design="a"] .rf-burger:focus-visible {
    border-color: var(--ph-copper);
    outline: none;
  }
}

[data-design="a"] .rf-burger__bar {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--ph-ink);
}

/* Drawer */
[data-design="a"] .rf-drawer {
  position: fixed;
  inset: 0;
  background: var(--ph-graphite-2);
  z-index: 60;
  padding: 80px clamp(20px, 6vw, 80px) 40px;
  transform: translateY(-100%);
  transition: transform 320ms var(--ease-needle);
}

[data-design="a"] .rf-drawer:not([hidden]) {
  transform: translateY(0);
}

[data-design="a"] .rf-drawer[hidden] {
  display: block;
  pointer-events: none;
}

[data-design="a"] .rf-drawer__close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: transparent;
  border: 1px solid var(--ph-line);
  color: var(--ph-ink);
  width: 44px;
  height: 44px;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--rad-1);
}

[data-design="a"] .rf-nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

[data-design="a"] .rf-nav a {
  font-family: var(--font-display);
  font-size: clamp(24px, 5vw, 48px);
  color: var(--ph-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ph-line);
  padding-bottom: 18px;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: color var(--dur-flick) var(--ease-needle);
}

@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .rf-nav a:hover {
    color: var(--ph-copper);
  }
}

[data-design="a"] .rf-nav__bullet {
  color: var(--ph-copper);
  font-size: 9px;
}

[data-design="a"] .rf-drawer__phone {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 32px;
  text-decoration: none;
  padding: 18px;
  border: 1px solid var(--ph-line);
  border-radius: var(--rad-1);
  background: color-mix(in oklab, var(--ph-copper) 10%, transparent);
}

[data-design="a"] .rf-drawer__phone-label {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ph-muted);
}

[data-design="a"] .rf-drawer__phone-num {
  font-family: var(--font-display);
  font-size: clamp(22px, 4vw, 32px);
  color: var(--ph-copper);
  letter-spacing: 0.02em;
}

/* ══════════════════════════════════════════════════════════════
   HERO — E3 backdrop + identity copy
   Text layer MUST be above backdrop at all viewports
   ══════════════════════════════════════════════════════════════ */
[data-design="a"] .rf-hero {
  position: relative;
  min-height: clamp(480px, 75vh, 820px);
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: clamp(32px, 6vw, 96px);
  padding: clamp(64px, 10vw, 140px) clamp(20px, 4vw, 48px) clamp(64px, 8vw, 120px);
  max-width: 1440px;
  margin: 0 auto;
  align-items: end;
  overflow: hidden;
}

/* Backdrop layer — behind everything */
[data-design="a"] .rf-hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

/* Ambient sinewave — E3 hero element A */
[data-design="a"] .rf-hero__wave {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.4;
}

[data-design="a"] .rf-hero__wave-path {
  fill: none;
  stroke: var(--ph-copper);
  stroke-width: 1.5;
  stroke-linecap: round;
  filter: drop-shadow(0 0 8px color-mix(in oklab, var(--ph-copper) 50%, transparent));
  animation: a-hero-hum var(--dur-hum, 18s) var(--ease-current) infinite;
}

[data-design="a"] .rf-hero__wave-path--b {
  stroke: var(--ph-phosphor);
  stroke-width: 0.75;
  opacity: 0.5;
  animation: a-hero-hum-b 23s var(--ease-current) infinite;
}

@keyframes a-hero-hum {
  0%   { transform: translateX(-3%) scaleY(0.92); opacity: 0.28; }
  50%  { transform: translateX(0)    scaleY(1.08); opacity: 0.55; }
  100% { transform: translateX(-3%) scaleY(0.92); opacity: 0.28; }
}

@keyframes a-hero-hum-b {
  0%   { transform: translateX(2%)  scaleY(1.05); opacity: 0.22; }
  50%  { transform: translateX(-2%) scaleY(0.95); opacity: 0.42; }
  100% { transform: translateX(2%)  scaleY(1.05); opacity: 0.22; }
}

/* Pipe panel — instrument motif adapted for plumbing */
[data-design="a"] .rf-pipe-panel {
  position: absolute;
  right: clamp(20px, 4vw, 48px);
  top: 50%;
  transform: translateY(-50%);
  width: clamp(200px, 28vw, 340px);
  background: var(--ph-graphite-2);
  box-shadow: var(--elev-ring), var(--elev-bright);
  padding: 18px;
  opacity: 0.65;
}

[data-design="a"] .rf-pipe-panel__plate {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ph-muted);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ph-line);
}

[data-design="a"] .rf-pipe-panel__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--ph-line);
}

[data-design="a"] .rf-pslot {
  background: var(--ph-graphite-2);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ph-ink);
  position: relative;
}

[data-design="a"] .rf-pslot__num {
  color: var(--ph-muted);
  width: 16px;
}

[data-design="a"] .rf-pslot__lbl {
  flex: 1;
}

[data-design="a"] .rf-pslot--live {
  color: var(--ph-copper);
}

[data-design="a"] .rf-pslot__dot {
  width: 7px;
  height: 7px;
  border-radius: var(--rad-pin);
  background: var(--ph-copper);
  filter: drop-shadow(0 0 4px var(--ph-copper));
  animation: a-pslot-pulse 4.6s var(--ease-current) infinite;
}

@keyframes a-pslot-pulse {
  0%, 100% { opacity: 0.45; transform: scale(0.85); }
  50%      { opacity: 1;    transform: scale(1.1); }
}

/* Hero text layer — z-index ABOVE backdrop */
[data-design="a"] .rf-hero__copy {
  position: relative;
  z-index: 2;
}

[data-design="a"] .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;
  opacity: 1;
}

[data-design="a"] .rf-headline {
  font-family: var(--font-display);
  font-size: clamp(32px, 5.5vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ph-ink);
  margin: 0 0 24px 0;
  opacity: 1;
}

[data-design="a"] .rf-lede {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.8vw, 20px);
  line-height: 1.55;
  color: var(--ph-muted);
  max-width: 52ch;
  margin: 0 0 32px 0;
  opacity: 1;
}

[data-design="a"] .rf-hero__availability {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ph-muted);
  margin: 18px 0 0 0;
  opacity: 1;
}

/* ══════════════════════════════════════════════════════════════
   E2: Phone CTA (animated, copper-filled, hero-visible)
   ══════════════════════════════════════════════════════════════ */
[data-design="a"] .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: var(--rad-1);
  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: 52px;
  cursor: pointer;
}

[data-design="a"] .rf-cta__plate {
  font-size: 11px;
  opacity: 0.7;
}

[data-design="a"] .rf-cta__label {
  letter-spacing: 0.04em;
  font-weight: 500;
}

[data-design="a"] .rf-cta__arrow {
  display: inline-flex;
  transition: transform var(--dur-flick) var(--ease-needle);
}

@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .rf-cta:hover {
    background: color-mix(in oklab, var(--ph-copper) 90%, #fff);
  }
  [data-design="a"] .rf-cta:hover .rf-cta__arrow {
    transform: rotate(8deg) translateX(2px);
  }
}

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

[data-design="a"] .rf-cta:active {
  transform: translateY(1px) scale(0.997);
  box-shadow: inset 0 1px 0 0 color-mix(in oklab, #000 28%, transparent);
}

[data-design="a"] .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: a-cta-pulse var(--dur-breath, 4.6s) var(--ease-current) infinite;
}

@keyframes a-cta-pulse {
  0%   { transform: translateX(-100%); opacity: 0; }
  20%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translateX(100%); opacity: 0; }
}

/* Paper variant for funnel submit */
[data-design="a"] .rf-cta--paper {
  background: var(--ph-graphite);
  color: var(--ph-paper);
  border-color: var(--ph-graphite);
}

@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .rf-cta--paper:hover {
    background: color-mix(in oklab, var(--ph-graphite) 86%, var(--ph-copper));
  }
}

/* ══════════════════════════════════════════════════════════════
   SCROLL-DRIVEN PARALLAX — TRIAD-2 premium scroll motion
   Hero backdrop parallax on scroll (genuine scroll-linked motion)
   ══════════════════════════════════════════════════════════════ */
@supports (animation-timeline: scroll()) {
  [data-design="a"] .rf-hero__backdrop {
    animation: a-hero-parallax linear both;
    animation-timeline: scroll(root block);
    animation-range: 0px 500px;
  }
  @keyframes a-hero-parallax {
    from { transform: translateY(0); }
    to   { transform: translateY(60px); }
  }
  [data-design="a"] .rf-hero__copy {
    animation: a-copy-scroll linear both;
    animation-timeline: scroll(root block);
    animation-range: 0px 500px;
  }
  @keyframes a-copy-scroll {
    from { transform: translateY(0); opacity: 1; }
    to   { transform: translateY(-24px); opacity: 0.85; }
  }
}

/* ══════════════════════════════════════════════════════════════
   E4: Services section with circuit topology (Ambient B)
   ══════════════════════════════════════════════════════════════ */
[data-design="a"] .rf-services-section {
  background: var(--ph-graphite);
  border-top: 1px solid var(--ph-line);
}

[data-design="a"] .rf-ambient-b {
  display: grid;
  gap: clamp(32px, 6vw, 96px);
  grid-template-columns: 1.2fr 1fr;
  padding: clamp(64px, 9vw, 128px) clamp(20px, 4vw, 48px);
  max-width: 1440px;
  margin: 0 auto;
  border-top: 1px solid var(--ph-line);
}

[data-design="a"] .rf-h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ph-ink);
  margin: 0 0 36px 0;
}

[data-design="a"] .rf-services {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--ph-line);
}

[data-design="a"] .rf-services li {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 18px;
  align-items: baseline;
  padding: 20px 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="a"] .rf-services li:hover {
    background: color-mix(in oklab, var(--ph-graphite-2) 70%, transparent);
  }
}

[data-design="a"] .rf-services li .num {
  font-family: var(--font-display);
  color: var(--ph-copper);
  font-size: 12px;
  letter-spacing: 0.06em;
}

[data-design="a"] .rf-services li .name {
  font-size: 18px;
}

[data-design="a"] .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="a"] .rf-inline-phone {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 32px;
  text-decoration: none;
}

[data-design="a"] .rf-inline-phone__label {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ph-muted);
}

[data-design="a"] .rf-inline-phone__num {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.5vw, 26px);
  color: var(--ph-copper);
  letter-spacing: 0.02em;
  transition: color var(--dur-flick) var(--ease-needle);
}

@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .rf-inline-phone:hover .rf-inline-phone__num {
    color: var(--ph-phosphor);
  }
}

/* Circuit topology SVG */
[data-design="a"] .rf-ambient-b__topo {
  align-self: center;
  justify-self: stretch;
  background: var(--ph-graphite-2);
  box-shadow: inset 0 0 0 1px var(--ph-line),
              inset 0 1px 0 0 color-mix(in oklab, #fff 8%, transparent);
  padding: 24px;
}

[data-design="a"] .rf-ambient-b__topo svg {
  width: 100%;
  height: auto;
  display: block;
}

[data-design="a"] .rf-topo__paths path {
  fill: none;
  stroke: var(--ph-line);
  stroke-width: 1.25;
}

[data-design="a"] .rf-topo__paths path.is-live {
  stroke: var(--ph-copper);
  filter: drop-shadow(0 0 4px color-mix(in oklab, var(--ph-copper) 60%, transparent));
  transition: stroke 200ms var(--ease-needle);
}

[data-design="a"] .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="a"] .rf-topo__nodes circle.is-live {
  fill: var(--ph-copper);
  stroke: var(--ph-copper);
  filter: drop-shadow(0 0 8px var(--ph-copper));
}

[data-design="a"] .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 + ABOUT
   ══════════════════════════════════════════════════════════════ */
[data-design="a"] .rf-area-about {
  background: var(--ph-graphite);
  border-top: 1px solid var(--ph-line);
}

[data-design="a"] .rf-area-about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 80px);
  padding: clamp(64px, 9vw, 112px) clamp(20px, 4vw, 48px);
  max-width: 1440px;
  margin: 0 auto;
}

[data-design="a"] .rf-area__list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
}

[data-design="a"] .rf-area__list li {
  font-family: var(--font-body);
  font-size: 18px;
  color: var(--ph-ink);
  padding: 12px 0;
  border-bottom: 1px solid var(--ph-line);
}

[data-design="a"] .rf-area__list li::before {
  content: "● ";
  color: var(--ph-copper);
  font-size: 9px;
  vertical-align: middle;
  margin-right: 8px;
}

[data-design="a"] .rf-area__note {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ph-muted);
  margin: 16px 0 20px 0;
  max-width: 45ch;
}

[data-design="a"] .rf-about__body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ph-muted);
  max-width: 58ch;
  margin: 0 0 24px 0;
}

[data-design="a"] .rf-about__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

[data-design="a"] .rf-chip {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ph-copper);
  border: 1px solid var(--ph-copper);
  padding: 6px 12px;
  border-radius: var(--rad-pin);
}

/* ══════════════════════════════════════════════════════════════
   E6: POINTER — hydraulic-warm pipe-fill wayfinding
   Sits IMMEDIATELY before #funnel in the DOM — ≤1 sibling gap
   ══════════════════════════════════════════════════════════════ */
[data-design="a"] .rf-pointer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: clamp(40px, 6vw, 72px) clamp(20px, 4vw, 48px);
  background: var(--ph-graphite);
  border-top: 1px solid var(--ph-line);
  opacity: 1;
  min-height: 120px;
}

[data-design="a"] .phasor-pointer__pipe {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

[data-design="a"] .phasor-pointer__pipe-seg {
  display: block;
  width: 2px;
  background: var(--ph-copper);
  transform: scaleY(0);
  transform-origin: top;
  filter: drop-shadow(0 0 4px color-mix(in oklab, var(--ph-copper) 60%, transparent));
}

[data-design="a"] .phasor-pointer__pipe-seg--1 {
  height: 24px;
  animation: a-pipe-fill 3.2s var(--ease-current) infinite;
}

[data-design="a"] .phasor-pointer__pipe-seg--2 {
  height: 24px;
  animation: a-pipe-fill 3.2s var(--ease-current) 0.4s infinite;
}

[data-design="a"] .phasor-pointer__pipe-seg--3 {
  height: 16px;
  animation: a-pipe-fill 3.2s var(--ease-current) 0.8s infinite;
}

@keyframes a-pipe-fill {
  0%   { transform: scaleY(0); opacity: 0.3; }
  30%  { transform: scaleY(1); opacity: 1; }
  70%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0.3; }
}

[data-design="a"] .phasor-pointer__label {
  display: flex;
  align-items: center;
  gap: 12px;
}

[data-design="a"] .phasor-pointer__label-kicker {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ph-muted);
  opacity: 1;
}

[data-design="a"] .phasor-pointer__chev {
  font-size: 18px;
  color: var(--ph-copper);
  opacity: 1;
  animation: a-pointer-chev 4s var(--ease-current) infinite;
}

@keyframes a-pointer-chev {
  0%, 100% { transform: translateY(0);   opacity: 0.45; }
  50%      { transform: translateY(4px); opacity: 0.9; }
}

[data-design="a"] .phasor-pointer__bar {
  position: relative;
  width: clamp(120px, 30vw, 240px);
  height: 2px;
  background: var(--ph-line);
  border-radius: 1px;
  overflow: hidden;
  opacity: 1;
}

[data-design="a"] .phasor-pointer__bar-fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--ph-copper), var(--ph-phosphor));
  transform-origin: left;
  animation: a-bar-sweep 3.2s var(--ease-current) infinite;
}

@keyframes a-bar-sweep {
  0%   { transform: scaleX(0);    opacity: 0; }
  20%  { opacity: 1; }
  80%  { transform: scaleX(1);    opacity: 1; }
  100% { transform: scaleX(1);    opacity: 0.2; }
}

/* ══════════════════════════════════════════════════════════════
   E5: FUNNEL — 5-step scheduling intake (on --ph-paper)
   ══════════════════════════════════════════════════════════════ */
[data-design="a"] .rf-interactive {
  background: var(--ph-paper);
  color: var(--ph-ink-dark);
  padding: clamp(48px, 9vw, 128px) clamp(20px, 4vw, 48px);
}

[data-design="a"] .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="a"] .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="a"] .rf-qual__title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 36px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ph-ink-dark);
  margin: 0 0 20px 0;
}

/* Progress pips */
[data-design="a"] .rf-qual__pips {
  display: flex;
  gap: 6px;
  list-style: none;
  padding: 0;
  margin: 0 0 32px 0;
}

[data-design="a"] .rf-qual__pips li {
  height: 2px;
  flex: 1;
  background: var(--ph-line-paper);
  position: relative;
  overflow: hidden;
}

[data-design="a"] .rf-qual__pips li.is-active {
  background: var(--ph-copper);
}

[data-design="a"] .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: a-pip-trace 1.2s var(--ease-current);
}

@keyframes a-pip-trace {
  to { transform: translateX(100%); }
}

/* Steps */
[data-design="a"] .rf-qual__step {
  border: 0;
  padding: 0;
  margin: 0;
  display: none;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 280ms var(--ease-needle), transform 280ms var(--ease-needle);
}

[data-design="a"] .rf-qual__step.is-active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

[data-design="a"] .rf-qual__step.is-entering {
  opacity: 0.01;
  transform: translateY(8px);
}

[data-design="a"] .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;
  display: block;
}

/* Option chips */
[data-design="a"] .rf-qual__opts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
}

[data-design="a"] .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: 52px;
  display: flex;
  align-items: center;
}

[data-design="a"] .rf-qual__opts input {
  position: absolute;
  opacity: 0;
  inset: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .rf-qual__opts label:hover {
    border-color: var(--ph-copper);
  }
}

[data-design="a"] .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="a"] .rf-qual__opts label:focus-within {
  outline: 2px solid var(--ph-copper);
  outline-offset: 2px;
}

/* Emergency callout */
[data-design="a"] .rf-emergency-callout {
  background: color-mix(in oklab, var(--ph-hot) 8%, var(--ph-paper));
  border: 1px solid var(--ph-hot);
  padding: 16px 18px;
  margin-top: 16px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ph-ink-dark);
}

[data-design="a"] .rf-emergency-phone {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--ph-hot);
  text-decoration: none;
  display: block;
  margin-top: 8px;
}

/* Outside area note */
[data-design="a"] .rf-outside-area {
  background: color-mix(in oklab, var(--ph-muted) 8%, var(--ph-paper));
  border: 1px solid var(--ph-line-paper);
  padding: 16px 18px;
  margin-top: 16px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ph-ink-dark);
}

[data-design="a"] .rf-outside-area a {
  color: var(--ph-copper);
}

/* Summary + fields */
[data-design="a"] .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="a"] .rf-qual__fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

[data-design="a"] .rf-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

[data-design="a"] .rf-field--full {
  grid-column: 1 / -1;
  margin-bottom: 16px;
}

[data-design="a"] .rf-field__lbl {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ph-muted);
}

[data-design="a"] .rf-field input,
[data-design="a"] .rf-field textarea {
  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;
  resize: none;
  width: 100%;
}

[data-design="a"] .rf-field input::placeholder,
[data-design="a"] .rf-field textarea::placeholder {
  color: var(--ph-muted);
}

[data-design="a"] .rf-field input:focus,
[data-design="a"] .rf-field textarea:focus {
  outline: none;
  border-bottom-color: var(--ph-copper);
}

[data-design="a"] .rf-qual__fineprint {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ph-muted);
  margin-top: 14px;
}

/* ══════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════ */
[data-design="a"] .rf-footer {
  background: var(--ph-graphite-2);
  border-top: 1px solid var(--ph-line);
}

[data-design="a"] .rf-footer__inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 40px clamp(20px, 4vw, 48px);
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: center;
}

[data-design="a"] .rf-footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ph-ink);
}

[data-design="a"] .rf-footer__pin {
  color: var(--ph-copper);
  font-size: 9px;
}

[data-design="a"] .rf-footer__contact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
}

[data-design="a"] .rf-footer__phone {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--ph-copper);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color var(--dur-flick) var(--ease-needle);
}

@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .rf-footer__phone:hover {
    color: var(--ph-phosphor);
  }
}

[data-design="a"] .rf-footer__meta {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ph-muted);
}

[data-design="a"] .rf-footer__copy {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ph-muted);
}

/* ══════════════════════════════════════════════════════════════
   MOBILE RESPONSIVE — no h-scroll at 320/390/768/1440
   ALL rules scoped to .dq-design (never bare [data-design])
   ══════════════════════════════════════════════════════════════ */
[data-design="a"].dq-design { max-width: 100%; overflow-x: clip; }
[data-design="a"] .dq-design { max-width: 100%; overflow-x: clip; }
[data-design="a"].dq-design * { min-width: 0; }
[data-design="a"].dq-design img,
[data-design="a"].dq-design svg:not([data-keep-size]) { max-width: 100%; height: auto; }

@media (max-width: 1024px) {
  [data-design="a"] .rf-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  [data-design="a"] .rf-pipe-panel {
    position: relative;
    right: auto;
    top: auto;
    transform: none;
    width: 100%;
    max-width: 360px;
    opacity: 0.8;
    margin-top: 32px;
  }
}

@media (max-width: 880px) {
  [data-design="a"] .rf-ambient-b {
    grid-template-columns: 1fr;
  }
  [data-design="a"] .rf-area-about__inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  [data-design="a"] .rf-qual__opts {
    grid-template-columns: 1fr;
  }
  [data-design="a"] .rf-qual__fields {
    grid-template-columns: 1fr;
  }
  [data-design="a"] .rf-footer__inner {
    flex-direction: column;
    text-align: center;
    align-items: flex-start;
  }
  [data-design="a"] .rf-footer__contact {
    text-align: left;
  }
  [data-design="a"] .rf-hero {
    padding-left: 18px;
    padding-right: 18px;
  }
  [data-design="a"] .rf-header__bar {
    padding: 14px 18px;
  }
  [data-design="a"] .rf-services li {
    grid-template-columns: 36px 1fr;
    grid-template-rows: auto auto;
  }
  [data-design="a"] .rf-services li .spec {
    grid-column: 2;
  }
}

/* ── Reduced motion fallbacks ──────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .rf-trace__wave { animation: none; }
  [data-design="a"] .rf-drawer { transition: none; }
  [data-design="a"] .rf-hero__wave-path { animation: none; opacity: 0.35; }
  [data-design="a"] .rf-hero__wave-path--b { animation: none; opacity: 0.2; }
  [data-design="a"] .rf-pslot__dot { animation: none; opacity: 0.8; }
  [data-design="a"] .rf-cta__pulse { animation: none; opacity: 0.4; transform: none; }
  [data-design="a"] .rf-cta__arrow { transition: none; }
  [data-design="a"] .rf-topo__paths path { transition: none; }
  [data-design="a"] .rf-topo__nodes circle { transition: none; }
  [data-design="a"] .rf-qual__step { transition: none; transform: none; }
  [data-design="a"] .rf-qual__pips li.is-active::after { animation: none; }
  [data-design="a"] .phasor-pointer__pipe-seg { animation: none; transform: scaleY(1); opacity: 0.6; }
  [data-design="a"] .phasor-pointer__chev { animation: none; }
  [data-design="a"] .phasor-pointer__bar-fill { animation: none; transform: scaleX(0.5); opacity: 0.6; }
  [data-design="a"] .rf-hero__backdrop { animation: none; }
  [data-design="a"] .rf-hero__copy { animation: none; }
}

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