/* ============================================================
   DESIGN-B — Phasor, remapped + plumber-adapted (copper-primary,
   cool "water" trace replaces electrical phosphor-green).
   Mountain Pumps & Plumbing — Clallam County, WA.
   All selectors scoped [data-design="b"]; keyframes phasor-* preserved.
   ============================================================ */

[data-design="b"] {
  /* ---- trade-rooted color tokens (~14) ---- */
  --ph-graphite:    #14181b;   /* primary surface — instrument body */
  --ph-graphite-2:  #1d2226;   /* raised surface — panel face */
  --ph-paper:       #f3efe6;   /* warm manual page — funnel surface */
  --ph-ink:         #e8e5de;   /* foreground on graphite */
  --ph-ink-dark:    #181818;   /* foreground on paper */
  --ph-muted:       #7b828b;   /* secondary text */
  --ph-line:        #282d33;   /* hairline rule on dark */
  --ph-line-paper:  #d6cfbf;   /* hairline on paper */
  --ph-copper:      #c0794a;   /* PRIMARY conductor accent (the "pipe") */
  --ph-copper-2:    #d89b6a;   /* copper highlight */
  --ph-water:       #4fb6c4;   /* cool flow trace — water in motion (live) */
  --ph-water-deep:  #2f8e9c;   /* deep water */
  --ph-hot:         #d94a3b;   /* high-pressure warning — critical only */
  --ph-success:     #6fae8e;   /* inspected / passed */

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

  --font-display: 'GT America Mono', 'JetBrains Mono', ui-monospace, monospace;
  --font-body: 'Söhne', 'Inter', -apple-system, BlinkMacSystemFont, 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-sweep: 26s;
  --dur-breath: 4.6s; --dur-hum: 19s;

  color: var(--ph-ink);
  background: var(--ph-graphite);
  font-family: var(--font-body);
  line-height: 1.6;
}

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

/* =================== ELEMENT 1 — 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-water); stroke-width: 1.25; stroke-linecap: round;
  filter: drop-shadow(0 0 4px color-mix(in oklab, var(--ph-water) 55%, transparent));
  stroke-dasharray: 12 8;
  animation: phasor-trace-shift var(--dur-sweep) linear infinite;
}
[data-design="b"] .rf-trace__dot { fill: var(--ph-water); filter: drop-shadow(0 0 6px var(--ph-water)); }
@keyframes phasor-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: 16px clamp(18px, 4vw, 48px);
  max-width: 1440px; margin: 0 auto;
}
[data-design="b"] .rf-logo {
  display: inline-flex; align-items: center; gap: 10px; min-height: 44px;
  color: var(--ph-ink); text-decoration: none;
  font-family: var(--font-display);
  font-size: clamp(12px, 2.6vw, 14px); letter-spacing: 0.05em; 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);
}
[data-design="b"] .rf-burger:hover, [data-design="b"] .rf-burger:focus-visible {
  border-color: var(--ph-copper); outline: none;
}
[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) 48px;
  transform: translateY(-100%);
  transition: transform 320ms var(--ease-needle);
  display: flex; flex-direction: column; gap: 32px;
  overflow-y: auto;
}
[data-design="b"] .rf-drawer:not([hidden]) { transform: translateY(0); }
[data-design="b"] .rf-drawer[hidden] { display: none; }
[data-design="b"] .rf-drawer__close {
  position: absolute; top: 20px; right: clamp(18px, 5vw, 64px);
  width: 44px; height: 44px; background: transparent; border: 1px solid var(--ph-line);
  color: var(--ph-ink); font-size: 22px; line-height: 1; cursor: pointer;
  transition: border-color var(--dur-flick) var(--ease-needle);
}
[data-design="b"] .rf-drawer__close:hover, [data-design="b"] .rf-drawer__close:focus-visible {
  border-color: var(--ph-copper); outline: none;
}
[data-design="b"] .rf-nav { display: flex; flex-direction: column; gap: 8px; }
[data-design="b"] .rf-nav a {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 6vw, 48px);
  color: var(--ph-ink); text-decoration: none;
  border-bottom: 1px solid var(--ph-line); padding: 14px 0;
  letter-spacing: -0.01em;
  transition: color var(--dur-flick) var(--ease-needle);
}
[data-design="b"] .rf-nav__pin { color: var(--ph-copper); font-size: 10px; transition: color var(--dur-flick) var(--ease-needle); }
[data-design="b"] .rf-nav a:hover, [data-design="b"] .rf-nav a:focus-visible { color: var(--ph-copper); outline: none; }
[data-design="b"] .rf-nav a:hover .rf-nav__pin { color: var(--ph-water); }
[data-design="b"] .rf-drawer__call {
  display: inline-flex; flex-direction: column; gap: 4px;
  text-decoration: none; padding: 16px 20px; min-height: 44px;
  background: var(--ph-copper); color: var(--ph-graphite);
  border: 1px solid color-mix(in oklab, var(--ph-copper) 80%, #000);
  align-self: flex-start;
}
[data-design="b"] .rf-drawer__call-plate { font-family: var(--font-display); font-size: 11px; letter-spacing: 0.1em; opacity: 0.8; }
[data-design="b"] .rf-drawer__call-num { font-family: var(--font-display); font-size: 22px; letter-spacing: 0.02em; }

/* =================== HERO =================== */
[data-design="b"] .rf-hero {
  position: relative;
  display: grid; gap: clamp(28px, 6vw, 88px);
  grid-template-columns: 1.3fr 1fr;
  padding: clamp(56px, 9vw, 144px) clamp(18px, 4vw, 48px) clamp(40px, 6vw, 80px);
  max-width: 1440px; margin: 0 auto;
  align-items: center;
}
[data-design="b"] .rf-kicker {
  font-family: var(--font-display); font-size: 12px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ph-copper);
  margin: 0 0 20px 0;
}
[data-design="b"] .rf-headline {
  font-family: var(--font-display);
  font-size: clamp(32px, 5.4vw, 72px); line-height: 1.06;
  letter-spacing: -0.02em; color: var(--ph-ink);
  margin: 0 0 22px 0; opacity: 1;
}
[data-design="b"] .rf-lede {
  font-family: var(--font-body); font-size: clamp(17px, 2vw, 20px); line-height: 1.55;
  color: var(--ph-muted); max-width: 56ch; margin: 0 0 16px 0;
}
[data-design="b"] .rf-proof {
  font-family: var(--font-display); font-size: 12px; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--ph-muted); margin: 0 0 32px 0;
}
[data-design="b"] .rf-hero__actions {
  display: flex; flex-wrap: wrap; align-items: center; gap: 16px 20px;
}
[data-design="b"] .rf-trustchip {
  font-family: var(--font-display); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ph-muted);
  border: 1px solid var(--ph-line); padding: 8px 12px;
}

/* hero backdrop — ONE animated layer (the water sinewave); panel is static structure */
[data-design="b"] .rf-hero__panel { position: relative; min-height: 300px; }
[data-design="b"] .rf-hero__wave {
  position: absolute; inset: -6% -4%; width: 108%; height: 112%;
  pointer-events: none; opacity: 0.6;
}
[data-design="b"] .rf-hero__wave path {
  fill: none; stroke-width: 1.25; stroke-linecap: round;
  filter: drop-shadow(0 0 6px color-mix(in oklab, var(--ph-water) 45%, transparent));
}
[data-design="b"] .rf-hero__wave-a {
  stroke: var(--ph-water);
  animation: phasor-hum var(--dur-hum) var(--ease-current) infinite;
}
[data-design="b"] .rf-hero__wave-b {
  stroke: var(--ph-copper); opacity: 0.5;
  animation: phasor-hum-b 23s var(--ease-current) infinite;
}
@keyframes phasor-hum {
  0%   { transform: translateX(-5%); opacity: 0.35; }
  50%  { transform: translateX(2%);  opacity: 0.75; }
  100% { transform: translateX(-5%); opacity: 0.35; }
}
@keyframes phasor-hum-b {
  0%   { transform: translateX(3%);  opacity: 0.25; }
  50%  { transform: translateX(-4%); opacity: 0.55; }
  100% { transform: translateX(3%);  opacity: 0.25; }
}
[data-design="b"] .rf-panel {
  position: relative; 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: 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: 16px; 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: 12px 14px;
  font-family: var(--font-display); font-size: 11px;
  letter-spacing: 0.05em; text-transform: uppercase; color: var(--ph-ink); position: relative;
}
[data-design="b"] .rf-slot__num { color: var(--ph-muted); width: 18px; }
[data-design="b"] .rf-slot__lbl { flex: 1; }
[data-design="b"] .rf-slot--live { color: var(--ph-water); }
[data-design="b"] .rf-slot__dot {
  width: 8px; height: 8px; border-radius: 999px; background: var(--ph-water);
  filter: drop-shadow(0 0 5px var(--ph-water)); opacity: 0.85;
}

/* =================== ELEMENT 2 — CTA (phone) =================== */
[data-design="b"] .rf-cta {
  position: relative; display: inline-flex; align-items: center; gap: 12px;
  min-height: 52px; padding: 14px 22px;
  background: var(--ph-copper); color: var(--ph-graphite);
  font-family: var(--font-display); font-size: clamp(15px, 2vw, 18px);
  letter-spacing: 0.04em; 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);
}
[data-design="b"] .rf-cta__plate { font-size: 11px; letter-spacing: 0.1em; opacity: 0.8; }
[data-design="b"] .rf-cta__label { font-weight: 600; }
[data-design="b"] .rf-cta__arrow { display: inline-flex; transition: transform var(--dur-flick) var(--ease-needle); }
[data-design="b"] .rf-cta:hover { background: var(--ph-copper-2); }
[data-design="b"] .rf-cta:hover .rf-cta__arrow { transform: translateX(2px); }
[data-design="b"] .rf-cta:focus-visible { outline: 2px solid var(--ph-water); outline-offset: 3px; }
[data-design="b"] .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="b"] .rf-cta__pulse {
  position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--ph-water) 40%, var(--ph-water) 60%, transparent 100%);
  filter: drop-shadow(0 0 6px var(--ph-water));
  transform: translateX(-100%);
  animation: phasor-cta-pulse var(--dur-breath) var(--ease-current) infinite;
}
@keyframes phasor-cta-pulse {
  0% { transform: translateX(-100%); opacity: 0; }
  20% { opacity: 1; } 80% { opacity: 1; }
  100% { transform: translateX(100%); opacity: 0; }
}

/* inline phone-CTAs (redundant per trade) */
[data-design="b"] .rf-inline-call {
  display: inline-block; margin-top: 28px;
  font-family: var(--font-display); font-size: 14px; letter-spacing: 0.03em;
  color: var(--ph-copper); text-decoration: none; min-height: 44px; padding: 11px 0;
  border-bottom: 1px solid var(--ph-line);
  transition: color var(--dur-flick) var(--ease-needle), border-color var(--dur-flick) var(--ease-needle);
}
[data-design="b"] .rf-inline-call:hover, [data-design="b"] .rf-inline-call:focus-visible {
  color: var(--ph-copper-2); border-color: var(--ph-copper); outline: none;
}

/* =================== ELEMENT 6 — POINTER (between hero & funnel) =================== */
[data-design="b"] .rf-pointer {
  display: flex; align-items: center; flex-wrap: wrap; gap: 16px;
  max-width: 1440px; margin: 0 auto;
  padding: clamp(28px, 5vw, 56px) clamp(18px, 4vw, 48px);
  border-top: 1px solid var(--ph-line);
  opacity: 1;
}
[data-design="b"] .rf-pointer__plate {
  font-family: var(--font-display); font-size: 12px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--ph-copper);
}
[data-design="b"] .rf-pointer__rule {
  display: inline-block; width: clamp(80px, 18vw, 160px); height: 24px; flex: 0 0 auto;
}
[data-design="b"] .rf-pointer__rule svg { width: 100%; height: 100%; display: block; }
[data-design="b"] .rf-pointer__fill {
  fill: none; stroke: var(--ph-copper); stroke-width: 1.5; stroke-linecap: round;
  stroke-dasharray: 96; stroke-dashoffset: 96;
  animation: phasor-pointer-fill 2.6s var(--ease-current) infinite;
}
[data-design="b"] .rf-pointer__head {
  fill: none; stroke: var(--ph-copper); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}
@keyframes phasor-pointer-fill {
  0% { stroke-dashoffset: 96; opacity: 0.3; }
  45% { stroke-dashoffset: 0; opacity: 1; }
  80% { stroke-dashoffset: 0; opacity: 1; }
  100% { stroke-dashoffset: 0; opacity: 0.3; }
}
[data-design="b"] .rf-pointer__hint {
  font-family: var(--font-body); font-size: 15px; color: var(--ph-muted);
}

/* =================== ELEMENT 4 — Services + topology =================== */
[data-design="b"] .rf-services {
  display: grid; gap: clamp(32px, 6vw, 88px);
  grid-template-columns: 1.25fr 1fr;
  padding: clamp(48px, 8vw, 112px) clamp(18px, 4vw, 48px);
  max-width: 1440px; margin: 0 auto;
  border-top: 1px solid var(--ph-line);
  align-items: start;
}
[data-design="b"] .rf-h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 52px); line-height: 1.1; letter-spacing: -0.015em;
  color: var(--ph-ink); margin: 0 0 32px 0;
}
[data-design="b"] .rf-svc-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--ph-line); }
[data-design="b"] .rf-svc-list li {
  display: grid; grid-template-columns: 40px 1fr auto; gap: 16px; 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);
}
[data-design="b"] .rf-svc-list li:hover { background: color-mix(in oklab, var(--ph-graphite-2) 70%, transparent); }
[data-design="b"] .rf-svc-list .num { font-family: var(--font-display); color: var(--ph-copper); font-size: 12px; letter-spacing: 0.05em; }
[data-design="b"] .rf-svc-list .name { font-size: clamp(16px, 1.8vw, 18px); line-height: 1.4; }
[data-design="b"] .rf-svc-list .spec {
  font-family: var(--font-display); color: var(--ph-muted); font-size: 11px;
  letter-spacing: 0.04em; text-transform: uppercase; text-align: right;
}
[data-design="b"] .rf-services__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="b"] .rf-services__topo svg { width: 100%; height: auto; display: block; }
[data-design="b"] .rf-topo__paths path { fill: none; stroke: var(--ph-line); stroke-width: 1.5; }
[data-design="b"] .rf-topo__paths path.is-live {
  stroke: var(--ph-water);
  filter: drop-shadow(0 0 4px color-mix(in oklab, var(--ph-water) 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-water); stroke: var(--ph-water);
  filter: drop-shadow(0 0 8px var(--ph-water));
}
[data-design="b"] .rf-topo__labels text {
  font-family: var(--font-display); font-size: 9px; fill: var(--ph-muted);
  letter-spacing: 0.06em; text-transform: uppercase;
}

/* =================== Service Area =================== */
[data-design="b"] .rf-area {
  max-width: 1440px; margin: 0 auto;
  padding: clamp(48px, 8vw, 112px) clamp(18px, 4vw, 48px);
  border-top: 1px solid var(--ph-line);
}
[data-design="b"] .rf-area__list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; gap: 16px;
}
[data-design="b"] .rf-area__list li {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-body); font-size: 17px; color: var(--ph-ink);
  border: 1px solid var(--ph-line); padding: 18px 22px; flex: 1 1 240px;
}
[data-design="b"] .rf-area__plate {
  font-family: var(--font-display); font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ph-copper);
}

/* =================== About =================== */
[data-design="b"] .rf-about {
  max-width: 760px; margin: 0 auto;
  padding: clamp(48px, 8vw, 112px) clamp(18px, 4vw, 48px);
  border-top: 1px solid var(--ph-line);
}
[data-design="b"] .rf-about__body { font-size: clamp(17px, 2vw, 19px); line-height: 1.65; color: var(--ph-ink); max-width: 62ch; margin: 0 0 28px 0; }
[data-design="b"] .rf-about__plates { display: flex; flex-wrap: wrap; gap: 12px; }
[data-design="b"] .rf-plate-callout {
  font-family: var(--font-display); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ph-ink-dark);
  background: var(--ph-paper); padding: 10px 16px;
}

/* =================== ELEMENT 5 — FUNNEL =================== */
[data-design="b"] .rf-interactive {
  background: var(--ph-paper); color: var(--ph-ink-dark);
  padding: clamp(48px, 8vw, 112px) clamp(18px, 4vw, 48px);
}
[data-design="b"] .rf-qual {
  max-width: 720px; margin: 0 auto; background: var(--ph-paper);
  border: 1px solid var(--ph-line-paper); padding: clamp(24px, 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(24px, 3.4vw, 38px);
  line-height: 1.1; letter-spacing: -0.015em; color: var(--ph-ink-dark); margin: 0 0 20px 0;
}
/* funnel-internal forward-progress pointer (E6's companion meter) */
[data-design="b"] .rf-qual__pointer { display: flex; align-items: center; gap: 14px; margin: 0 0 32px 0; }
[data-design="b"] .rf-qual__counter {
  font-family: var(--font-display); font-size: 12px; letter-spacing: 0.12em;
  color: var(--ph-muted); display: inline-flex; gap: 4px; font-variant-numeric: tabular-nums;
}
[data-design="b"] .rf-qual__counter-now { display: inline-block; min-width: 1ch; color: var(--ph-copper); animation: phasor-pointer-tick 320ms ease-out; }
[data-design="b"] .rf-qual__bar { position: relative; flex: 1; height: 2px; background: var(--ph-line-paper); overflow: hidden; }
[data-design="b"] .rf-qual__bar-fill {
  position: absolute; inset: 0; width: 20%; background: var(--ph-copper);
  transition: width 480ms var(--ease-current);
}
@keyframes phasor-pointer-tick { 0% { transform: translateY(-6px); opacity: 0; } 100% { transform: translateY(0); opacity: 1; } }
[data-design="b"] .rf-qual__step {
  border: 0; padding: 0; margin: 0;
  display: none; opacity: 0; transform: translateY(8px);
  transition: opacity 280ms var(--ease-needle), transform 280ms var(--ease-needle);
}
[data-design="b"] .rf-qual__step.is-active { display: block; opacity: 1; transform: translateY(0); }
[data-design="b"] .rf-qual__legend {
  font-family: var(--font-display); font-size: 13px; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--ph-muted); margin-bottom: 18px; padding: 0;
}
[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; display: flex; align-items: center; min-height: 52px;
  border: 1px solid var(--ph-line-paper); padding: 14px 18px;
  font-family: var(--font-display); font-size: 13px; letter-spacing: 0.02em;
  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);
}
[data-design="b"] .rf-qual__opts input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
[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__shortcut {
  margin: 16px 0 0; font-family: var(--font-body); font-size: 14px; color: var(--ph-ink-dark);
  border-left: 3px solid var(--ph-copper); padding: 10px 14px; background: color-mix(in oklab, var(--ph-copper) 8%, var(--ph-paper));
}
[data-design="b"] .rf-qual__shortcut a { color: var(--ph-copper); font-weight: 600; }
[data-design="b"] .rf-qual__summary {
  font-family: var(--font-display); font-size: 12px; letter-spacing: 0.04em; 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: 20px; }
[data-design="b"] .rf-field { display: flex; flex-direction: column; gap: 6px; }
[data-design="b"] .rf-field--wide { grid-column: 1 / -1; }
[data-design="b"] .rf-field__lbl {
  font-family: var(--font-display); font-size: 11px; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--ph-muted);
}
[data-design="b"] .rf-field input, [data-design="b"] .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; width: 100%; resize: vertical;
}
[data-design="b"] .rf-field input:focus, [data-design="b"] .rf-field textarea:focus { outline: none; border-bottom-color: var(--ph-copper); }
[data-design="b"] .rf-cta--paper { background: var(--ph-graphite); color: var(--ph-paper); border-color: var(--ph-graphite); }
[data-design="b"] .rf-cta--paper:hover { background: color-mix(in oklab, var(--ph-graphite) 86%, var(--ph-copper)); }
[data-design="b"] .rf-qual__fineprint {
  font-family: var(--font-display); font-size: 11px; letter-spacing: 0.03em; color: var(--ph-muted); margin-top: 16px;
}
[data-design="b"] .rf-qual__fineprint a { color: var(--ph-copper); }

/* =================== Footer =================== */
[data-design="b"] .rf-footer {
  border-top: 1px solid var(--ph-line);
  padding: clamp(40px, 6vw, 72px) clamp(18px, 4vw, 48px);
  max-width: 1440px; margin: 0 auto;
}
[data-design="b"] .rf-footer__row { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
[data-design="b"] .rf-footer__pin { color: var(--ph-copper); font-size: 9px; }
[data-design="b"] .rf-footer__plate { font-family: var(--font-display); font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ph-ink); }
[data-design="b"] .rf-footer__meta { list-style: none; padding: 0; margin: 0 0 24px; display: flex; flex-wrap: wrap; gap: 10px 28px; }
[data-design="b"] .rf-footer__meta li { font-family: var(--font-display); font-size: 12px; letter-spacing: 0.03em; color: var(--ph-muted); }
[data-design="b"] .rf-footer__meta a { color: var(--ph-copper); text-decoration: none; }
[data-design="b"] .rf-footer__meta a:hover { color: var(--ph-copper-2); }
[data-design="b"] .rf-footer__copy { font-family: var(--font-display); font-size: 12px; letter-spacing: 0.04em; color: var(--ph-muted); margin: 0; }

/* =================== Responsive =================== */
@media (max-width: 880px) {
  [data-design="b"] .rf-hero { grid-template-columns: 1fr; }
  [data-design="b"] .rf-services { grid-template-columns: 1fr; }
  [data-design="b"] .rf-hero__panel { order: -1; min-height: 240px; }
}
@media (max-width: 560px) {
  [data-design="b"] .rf-qual__opts { grid-template-columns: 1fr; }
  [data-design="b"] .rf-qual__fields { grid-template-columns: 1fr; }
  [data-design="b"] .rf-svc-list li { grid-template-columns: 32px 1fr; }
  [data-design="b"] .rf-svc-list .spec { grid-column: 2; text-align: left; }
  [data-design="b"] .rf-panel__grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .rf-trace__wave,
  [data-design="b"] .rf-hero__wave-a,
  [data-design="b"] .rf-hero__wave-b,
  [data-design="b"] .rf-cta__pulse,
  [data-design="b"] .rf-pointer__fill,
  [data-design="b"] .rf-qual__counter-now { animation: none; }
  [data-design="b"] .rf-hero__wave-a, [data-design="b"] .rf-hero__wave-b { opacity: 0.5; transform: none; }
  [data-design="b"] .rf-cta__pulse { opacity: 0.4; transform: none; }
  [data-design="b"] .rf-pointer__fill { stroke-dashoffset: 0; opacity: 0.8; }
  [data-design="b"] .rf-drawer { transition: none; }
}

/* =================== Mobile hard-clip (contract-required, appended last) =================== */
[data-design="b"].dq-design, [data-design="b"] .dq-design { max-width: 100%; overflow-x: clip; }
[data-design="b"] * { min-width: 0; }
[data-design="b"] img, [data-design="b"] svg:not([data-keep-size]) { max-width: 100%; height: auto; }

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