/* ═══════════════════════════════════════════════════════════════
   Phasor · Site B · electrical-boise
   Slot: b  |  All selectors scoped [data-design="b"].dq-design or
   [data-design="b"].dq-design within .dq-design
   ═══════════════════════════════════════════════════════════════ */

/* ── Token block ─────────────────────────────────────────────── */
[data-design="b"] {
  --design-b-primary: #c08552;

  /* Phasor palette — dark-first, copper-dominant for Site 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;

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

  /* Motion */
  --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-energize: 11s;
  --dur-hum:      18s;

  /* Spacing */
  --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;

  /* 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);
}

/* ── Base reset for article ──────────────────────────────────── */
[data-design="b"].dq-design {
  max-width: 100%;
  overflow-x: clip;
  background: var(--ph-graphite);
  color: var(--ph-ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
}
[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;
}

/* ── Section inner container — content windowed-center ──────── */
[data-design="b"] .b-section-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: clamp(64px, 10vw, 128px) clamp(20px, 4vw, 48px);
}
[data-design="b"] .b-section-inner--center {
  text-align: center;
  max-width: 720px;
}

/* ── Shared typographic elements ──────────────────────────────── */
[data-design="b"] .b-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"] .b-h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ph-ink);
  margin: 0 0 32px 0;
}

/* ══════════════════════════════════════════════════════════════
   E1 — HEADER
   ══════════════════════════════════════════════════════════════ */
[data-design="b"] .b-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--ph-graphite);
  border-bottom: 1px solid var(--ph-line);
  overflow: hidden;
}
[data-design="b"] .b-header__trace {
  position: absolute;
  inset: auto 0 -1px 0;
  height: 40px;
  pointer-events: none;
  opacity: 0.65;
}
[data-design="b"] .b-header__trace svg { width: 100%; height: 100%; display: block; }
[data-design="b"] .b-trace__rail { stroke: var(--ph-line); stroke-width: 1; }
[data-design="b"] .b-trace__wave {
  fill: none;
  stroke: var(--ph-copper);
  stroke-width: 1.5;
  stroke-linecap: round;
  filter: drop-shadow(0 0 4px color-mix(in oklab, var(--ph-copper) 55%, transparent));
  stroke-dasharray: 14 8;
  animation: b-trace-shift var(--dur-sweep) linear infinite;
}
[data-design="b"] .b-trace__dot {
  fill: var(--ph-copper);
  filter: drop-shadow(0 0 6px var(--ph-copper));
}
@keyframes b-trace-shift {
  0%   { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -220; }
}

[data-design="b"] .b-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"] .b-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ph-ink);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
[data-design="b"] .b-logo__pin { color: var(--ph-copper); font-size: 8px; }

[data-design="b"] .b-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"] .b-burger:hover { border-color: var(--ph-copper); }
}
[data-design="b"] .b-burger:focus-visible { outline: 2px solid var(--ph-copper); outline-offset: 2px; }
[data-design="b"] .b-burger__bar { display: block; width: 18px; height: 1px; background: var(--ph-ink); }

/* Drawer */
[data-design="b"] .b-drawer {
  position: fixed;
  inset: 0;
  background: var(--ph-graphite-2);
  z-index: 60;
  padding: 80px clamp(24px, 6vw, 80px) 48px;
  transform: translateY(-100%);
  transition: transform 320ms var(--ease-needle);
}
[data-design="b"] .b-drawer:not([hidden]) { transform: translateY(0); }
[data-design="b"] .b-drawer[hidden] { display: block; pointer-events: none; }
[data-design="b"] .b-drawer__close {
  position: absolute;
  top: 24px;
  right: clamp(20px, 4vw, 48px);
  background: transparent;
  border: 1px solid var(--ph-line);
  color: var(--ph-muted);
  width: 44px;
  height: 44px;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--dur-flick) var(--ease-needle), color var(--dur-flick) var(--ease-needle);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .b-drawer__close:hover { border-color: var(--ph-copper); color: var(--ph-ink); }
}
[data-design="b"] .b-nav { display: flex; flex-direction: column; gap: 20px; }
[data-design="b"] .b-nav a {
  font-family: var(--font-display);
  font-size: clamp(26px, 5.5vw, 52px);
  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="b"] .b-nav a:hover { color: var(--ph-copper); }
  [data-design="b"] .b-nav a:hover .b-nav__bullet { color: var(--ph-phosphor); }
}
[data-design="b"] .b-nav__bullet { color: var(--ph-copper); font-size: 9px; }
[data-design="b"] .b-drawer__phone {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 36px;
  text-decoration: none;
}
[data-design="b"] .b-drawer__phone-plate {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ph-copper);
}
[data-design="b"] .b-drawer__phone-num {
  font-family: var(--font-display);
  font-size: clamp(22px, 4vw, 36px);
  color: var(--ph-ink);
  letter-spacing: -0.01em;
}

/* ══════════════════════════════════════════════════════════════
   E3 + HERO — full-width copper-trace backdrop
   isolation:isolate · text container high z-index
   ══════════════════════════════════════════════════════════════ */
[data-design="b"] .b-hero {
  position: relative;
  isolation: isolate;
  min-height: 72vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--ph-graphite);
  padding: clamp(80px, 12vw, 160px) clamp(20px, 4vw, 48px) clamp(80px, 10vw, 140px);
}

/* Backdrop layer — behind text via z-index -1 */
[data-design="b"] .b-hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
[data-design="b"] .b-hero__trace-svg {
  width: 100%;
  height: 100%;
  display: block;
  position: absolute;
  inset: 0;
}

/* Schematic grid — subtle background structure */
[data-design="b"] .b-hero__grid line {
  stroke: var(--ph-line);
  stroke-width: 0.5;
  opacity: 0.6;
}

/* Primary copper trace — drawn in on load, then ambient oscillation */
[data-design="b"] .b-hero__copper-trace {
  fill: none;
  stroke: var(--ph-copper);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 6px color-mix(in oklab, var(--ph-copper) 60%, transparent));
  stroke-dasharray: 2000;
  stroke-dashoffset: 2000;
  animation: b-trace-draw 1.8s var(--ease-needle) forwards, b-trace-hum var(--dur-hum) var(--ease-current) 2s infinite;
  opacity: 0.85;
}
@keyframes b-trace-draw {
  to { stroke-dashoffset: 0; }
}
@keyframes b-trace-hum {
  0%   { transform: translateX(-6px); opacity: 0.75; }
  50%  { transform: translateX(0);     opacity: 0.95; }
  100% { transform: translateX(-6px); opacity: 0.75; }
}

/* Secondary phosphor sine — behind primary, ambient */
[data-design="b"] .b-hero__phosphor-sine {
  fill: none;
  stroke: var(--ph-phosphor);
  stroke-width: 1;
  stroke-linecap: round;
  opacity: 0.25;
  filter: drop-shadow(0 0 4px color-mix(in oklab, var(--ph-phosphor) 40%, transparent));
  animation: b-sine-hum var(--dur-hum) var(--ease-current) 0.5s infinite;
}
@keyframes b-sine-hum {
  0%   { transform: translateX(0);    opacity: 0.2; }
  50%  { transform: translateX(12px); opacity: 0.35; }
  100% { transform: translateX(0);    opacity: 0.2; }
}

/* Node dots */
[data-design="b"] .b-hero__node {
  fill: var(--ph-graphite-2);
  stroke: var(--ph-copper);
  stroke-width: 1.5;
  animation: b-node-pulse 6s var(--ease-current) 2s infinite;
}
[data-design="b"] .b-hero__node--live {
  fill: var(--ph-copper);
  stroke: var(--ph-copper);
  filter: drop-shadow(0 0 8px var(--ph-copper));
  animation: b-node-live 5s var(--ease-current) 2s infinite;
}
@keyframes b-node-pulse {
  0%, 100% { opacity: 0.5; }
  50%      { opacity: 1; }
}
@keyframes b-node-live {
  0%, 100% { opacity: 0.7; transform: scale(0.9); }
  50%      { opacity: 1;   transform: scale(1.1); }
}

/* Hero text content — z-index above backdrop */
[data-design="b"] .b-hero__content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

[data-design="b"] .b-hero__kicker {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ph-copper);
  opacity: 1;
  margin: 0;
}

[data-design="b"] .b-hero__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;
  opacity: 1;
  /* Text shadow for legibility over the copper trace */
  text-shadow: 0 0 40px color-mix(in oklab, var(--ph-graphite) 80%, transparent),
               0 2px 12px color-mix(in oklab, var(--ph-graphite) 90%, transparent);
}

[data-design="b"] .b-hero__subtitle {
  font-family: var(--font-body);
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.55;
  color: var(--ph-muted);
  max-width: 58ch;
  margin: 0;
  opacity: 1;
}

/* ─── E2 — Phone CTA ────────────────────────────────────────── */
[data-design="b"] .b-phone-cta {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 20px 36px;
  background: var(--ph-copper);
  color: var(--ph-graphite);
  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 20%, transparent);
  overflow: hidden;
  transition: transform var(--dur-flick) var(--ease-needle),
              background var(--dur-flick) var(--ease-needle);
  min-height: 72px;
  min-width: 200px;
  opacity: 1;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .b-phone-cta:hover { background: color-mix(in oklab, var(--ph-copper) 88%, #fff); }
}
[data-design="b"] .b-phone-cta:focus-visible { outline: 2px solid var(--ph-phosphor); outline-offset: 3px; }
[data-design="b"] .b-phone-cta:active {
  transform: translateY(1px) scale(0.998);
  box-shadow: inset 0 1px 0 0 color-mix(in oklab, #000 25%, transparent);
}
[data-design="b"] .b-phone-cta__plate {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 1;
}
[data-design="b"] .b-phone-cta__num {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.5vw, 32px);
  letter-spacing: 0.02em;
  font-weight: 600;
  opacity: 1;
}
/* CTA pulse — bottom trace sweep */
[data-design="b"] .b-phone-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 5px var(--ph-phosphor));
  transform: translateX(-100%);
  animation: b-cta-pulse var(--dur-breath) var(--ease-current) infinite;
}
@keyframes b-cta-pulse {
  0%   { transform: translateX(-110%); }
  15%  { transform: translateX(-80%); }
  85%  { transform: translateX(80%); }
  100% { transform: translateX(110%); }
}

[data-design="b"] .b-hero__trust {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ph-muted);
  margin: 0;
  opacity: 1;
}

/* ══════════════════════════════════════════════════════════════
   E6 — POINTER (between hero and funnel)
   Current-aware horizontal copper-trace beam
   Visibly rendered: opacity:1, height > 24px
   ══════════════════════════════════════════════════════════════ */
[data-design="b"] .b-pointer {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 28px clamp(20px, 4vw, 48px);
  background: var(--ph-graphite);
  opacity: 1;
  min-height: 80px;
}
[data-design="b"] .b-pointer__track {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 360px;
  width: 100%;
}
[data-design="b"] .b-pointer__svg {
  flex: 1;
  height: 64px;
  overflow: visible;
}
[data-design="b"] .b-pointer__rail {
  stroke: var(--ph-line);
  stroke-width: 1;
}
[data-design="b"] .b-pointer__beam {
  fill: none;
  stroke: var(--ph-copper);
  stroke-width: 2;
  stroke-linecap: round;
  filter: drop-shadow(0 0 5px color-mix(in oklab, var(--ph-copper) 55%, transparent));
  stroke-dasharray: 240;
  stroke-dashoffset: 240;
  animation: b-beam-draw 1.2s var(--ease-needle) 0.4s forwards, b-beam-pulse 5s var(--ease-current) 2s infinite;
}
@keyframes b-beam-draw {
  to { stroke-dashoffset: 0; }
}
@keyframes b-beam-pulse {
  0%, 100% { opacity: 0.7; }
  50%      { opacity: 1; filter: drop-shadow(0 0 8px var(--ph-copper)); }
}
[data-design="b"] .b-pointer__head {
  fill: none;
  stroke: var(--ph-copper);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 4px color-mix(in oklab, var(--ph-copper) 55%, transparent));
  animation: b-head-pulse 5s var(--ease-current) 2s infinite;
}
@keyframes b-head-pulse {
  0%, 100% { opacity: 0.7; }
  50%      { opacity: 1; }
}
[data-design="b"] .b-pointer__origin-dot {
  fill: var(--ph-copper);
  filter: drop-shadow(0 0 6px var(--ph-copper));
  animation: b-origin-pulse 5s var(--ease-current) 2s infinite;
}
@keyframes b-origin-pulse {
  0%, 100% { opacity: 0.6; transform: scale(0.9); }
  50%      { opacity: 1;   transform: scale(1.1); }
}
[data-design="b"] .b-pointer__label {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ph-copper);
  white-space: nowrap;
  opacity: 1;
}

/* ══════════════════════════════════════════════════════════════
   E5 — FUNNEL  (5-step scheduling intake)
   ══════════════════════════════════════════════════════════════ */
[data-design="b"] .b-funnel-wrap {
  background: var(--ph-paper);
  color: var(--ph-ink-dark);
  padding: clamp(48px, 9vw, 128px) clamp(20px, 4vw, 48px);
}
[data-design="b"] .b-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"] .b-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"] .b-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 24px 0;
}
[data-design="b"] .b-qual__pips {
  display: flex;
  gap: 6px;
  list-style: none;
  padding: 0;
  margin: 0 0 32px 0;
}
[data-design="b"] .b-qual__pips li {
  height: 2px;
  flex: 1;
  background: var(--ph-line-paper);
  position: relative;
  overflow: hidden;
}
[data-design="b"] .b-qual__pips li.is-active { background: var(--ph-copper); }
[data-design="b"] .b-qual__pips li.is-active::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--ph-phosphor), transparent);
  transform: translateX(-100%);
  animation: b-pip-trace 1.2s var(--ease-current);
}
@keyframes b-pip-trace {
  to { transform: translateX(100%); }
}

/* Step display */
[data-design="b"] .b-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"] .b-qual__step.is-active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}
[data-design="b"] .b-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="b"] .b-qual__opts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 16px;
}
[data-design="b"] .b-qual__opts--2col { grid-template-columns: 1fr 1fr; }
[data-design="b"] .b-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="b"] .b-qual__opts input {
  position: absolute;
  opacity: 0;
  inset: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .b-qual__opts label:hover { border-color: var(--ph-copper); }
}
[data-design="b"] .b-qual__opts label:has(input:checked) {
  border-color: var(--ph-copper);
  background: color-mix(in oklab, var(--ph-copper) 12%, var(--ph-paper));
  box-shadow: inset 3px 0 0 0 var(--ph-copper);
}
[data-design="b"] .b-qual__opts label:focus-within {
  outline: 2px solid var(--ph-copper);
  outline-offset: 2px;
}

/* Emergency shortcut */
[data-design="b"] .b-qual__emergency-cta:not(:empty) {
  margin-top: 12px;
  padding: 14px 18px;
  background: color-mix(in oklab, var(--ph-hot) 10%, var(--ph-paper));
  border: 1px solid color-mix(in oklab, var(--ph-hot) 40%, var(--ph-line-paper));
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ph-ink-dark);
}

/* Text/textarea fields */
[data-design="b"] .b-qual__text-field { margin-bottom: 16px; }
[data-design="b"] .b-field { display: flex; flex-direction: column; gap: 6px; }
[data-design="b"] .b-field--full { grid-column: 1 / -1; }
[data-design="b"] .b-field__lbl {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ph-muted);
}
[data-design="b"] .b-field input,
[data-design="b"] .b-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;
  line-height: 1.5;
  transition: border-color 240ms var(--ease-needle);
  border-radius: 0;
  resize: vertical;
}
[data-design="b"] .b-field input:focus,
[data-design="b"] .b-field textarea:focus {
  outline: none;
  border-bottom-color: var(--ph-copper);
}
[data-design="b"] .b-step-next {
  appearance: none;
  background: var(--ph-graphite);
  color: var(--ph-paper);
  border: 1px solid var(--ph-line);
  padding: 14px 24px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 2px;
  min-height: 48px;
  transition: background var(--dur-flick) var(--ease-needle);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .b-step-next:hover { background: color-mix(in oklab, var(--ph-graphite) 80%, var(--ph-copper)); }
}

/* Summary + fields + submit */
[data-design="b"] .b-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"] .b-qual__fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
[data-design="b"] .b-submit-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  background: var(--ph-graphite);
  color: var(--ph-paper);
  border: 1px solid var(--ph-line);
  border-radius: 2px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  overflow: hidden;
  transition: background var(--dur-flick) var(--ease-needle);
  min-height: 52px;
  width: 100%;
  justify-content: center;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .b-submit-btn:hover { background: color-mix(in oklab, var(--ph-graphite) 80%, var(--ph-copper)); }
}
[data-design="b"] .b-submit-btn__plate {
  font-size: 11px;
  opacity: 0.7;
}
[data-design="b"] .b-submit-btn__label { flex: 1; text-align: center; }
[data-design="b"] .b-submit-btn__pulse {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--ph-copper) 40%, var(--ph-copper) 60%, transparent 100%);
  filter: drop-shadow(0 0 4px var(--ph-copper));
  transform: translateX(-100%);
  animation: b-submit-pulse 5s var(--ease-current) 1s infinite;
}
@keyframes b-submit-pulse {
  0%   { transform: translateX(-110%); }
  15%  { transform: translateX(-80%); }
  85%  { transform: translateX(80%); }
  100% { transform: translateX(110%); }
}
[data-design="b"] .b-qual__fineprint {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ph-muted);
  margin-top: 14px;
}

/* ══════════════════════════════════════════════════════════════
   E4 — SERVICES section with circuit topology ambient-B
   ══════════════════════════════════════════════════════════════ */
[data-design="b"] .b-services {
  background: var(--ph-graphite);
  border-top: 1px solid var(--ph-line);
}
[data-design="b"] .b-services .b-section-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}
[data-design="b"] .b-service-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--ph-line);
}
[data-design="b"] .b-service-list li {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 16px;
  align-items: baseline;
  padding: 20px 4px;
  border-bottom: 1px solid var(--ph-line);
  transition: background var(--dur-flick) var(--ease-needle);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .b-service-list li:hover {
    background: color-mix(in oklab, var(--ph-graphite-2) 70%, transparent);
  }
}
[data-design="b"] .b-svc__num {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ph-copper);
}
[data-design="b"] .b-svc__name { font-size: 17px; color: var(--ph-ink); }
[data-design="b"] .b-svc__tag {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ph-muted);
}
[data-design="b"] .b-inline-phone {
  display: inline-block;
  margin-top: 28px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ph-copper);
  text-decoration: none;
  border-bottom: 1px solid var(--ph-copper);
  padding-bottom: 2px;
  opacity: 1;
}
[data-design="b"] .b-inline-phone--center { display: block; text-align: center; }
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .b-inline-phone:hover { color: var(--ph-phosphor); border-color: var(--ph-phosphor); }
}

/* Circuit topology — E4 ambient-B */
[data-design="b"] .b-services__topo {
  align-self: center;
  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: 20px;
  position: sticky;
  top: 80px;
}
[data-design="b"] .b-topo__svg { width: 100%; height: auto; display: block; }
[data-design="b"] .b-topo__paths path {
  fill: none;
  stroke: var(--ph-line);
  stroke-width: 1.25;
  transition: stroke 200ms var(--ease-needle);
}
[data-design="b"] .b-topo__paths path.is-live {
  stroke: var(--ph-copper);
  filter: drop-shadow(0 0 4px color-mix(in oklab, var(--ph-copper) 50%, transparent));
}
[data-design="b"] .b-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"] .b-topo__nodes circle.is-live {
  fill: var(--ph-copper);
  stroke: var(--ph-copper);
  filter: drop-shadow(0 0 8px var(--ph-copper));
}
[data-design="b"] .b-topo__labels text {
  font-family: var(--font-display);
  font-size: 9px;
  fill: var(--ph-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ══════════════════════════════════════════════════════════════
   Service Area section
   ══════════════════════════════════════════════════════════════ */
[data-design="b"] .b-area {
  background: var(--ph-graphite-2);
  border-top: 1px solid var(--ph-line);
}
[data-design="b"] .b-area .b-section-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}
[data-design="b"] .b-area__copy {
  max-width: 62ch;
  text-align: center;
  font-size: 18px;
  line-height: 1.6;
  color: var(--ph-muted);
  margin-bottom: 24px;
}

/* ══════════════════════════════════════════════════════════════
   About section
   ══════════════════════════════════════════════════════════════ */
[data-design="b"] .b-about {
  background: var(--ph-graphite);
  border-top: 1px solid var(--ph-line);
}
[data-design="b"] .b-about__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
}
[data-design="b"] .b-about__body {
  max-width: 62ch;
  font-size: 18px;
  line-height: 1.65;
  color: var(--ph-muted);
  margin: 0 0 20px 0;
}
[data-design="b"] .b-about__plates {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
[data-design="b"] .b-plate-card {
  background: var(--ph-graphite-2);
  box-shadow: var(--elev-ring);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
[data-design="b"] .b-plate-card__label {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ph-muted);
}
[data-design="b"] .b-plate-card__value {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--ph-ink);
  text-decoration: none;
  letter-spacing: 0.01em;
}
[data-design="b"] .b-plate-card a.b-plate-card__value {
  color: var(--ph-copper);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .b-plate-card a.b-plate-card__value:hover { color: var(--ph-phosphor); }
}

/* ══════════════════════════════════════════════════════════════
   Footer
   ══════════════════════════════════════════════════════════════ */
[data-design="b"] .b-footer {
  background: var(--ph-graphite-2);
  border-top: 1px solid var(--ph-line);
  padding: clamp(28px, 4vw, 48px) clamp(20px, 4vw, 48px);
  position: relative;
}
[data-design="b"] .b-footer__inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: clamp(20px, 4vw, 48px);
  align-items: center;
}
[data-design="b"] .b-footer__col { display: flex; flex-direction: column; gap: 4px; }
[data-design="b"] .b-footer__col--phone { align-items: center; text-align: center; }
[data-design="b"] .b-footer__name {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ph-ink);
}
[data-design="b"] .b-footer__phone {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--ph-copper);
  text-decoration: none;
  letter-spacing: 0.04em;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .b-footer__phone:hover { color: var(--ph-phosphor); }
}
[data-design="b"] .b-footer__meta {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ph-muted);
  text-transform: uppercase;
}
[data-design="b"] .b-footer__trace {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--ph-line);
  max-width: 1440px;
  margin-left: auto;
  margin-right: auto;
}
[data-design="b"] .b-footer__live-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--ph-copper);
  filter: drop-shadow(0 0 4px var(--ph-copper));
  animation: b-footer-live 6s var(--ease-current) infinite;
}
@keyframes b-footer-live {
  0%, 100% { opacity: 0.5; }
  50%      { opacity: 1; }
}
[data-design="b"] .b-footer__live-label {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ph-muted);
}

/* ══════════════════════════════════════════════════════════════
   SCROLL-DRIVEN MOTION — TRIAD-2
   Parallax on hero content (transform-based, GPU-composited)
   Scroll-linked fade+lift on services section heading
   ══════════════════════════════════════════════════════════════ */
/* Hero parallax: the hero__content drifts up slightly on scroll.
   Driven by JS (IntersectionObserver + scroll event → CSS var).
   Declared here so the CSS var is ready. */
[data-design="b"] .b-hero__content {
  will-change: transform;
  /* --b-parallax-y set by script.js on scroll */
}
/* Scroll-reveal lift: sections below hero animate in via transform.
   Class .b-reveal added by IntersectionObserver — NOT opacity:0 start. */
[data-design="b"] .b-reveal {
  transform: translateY(28px);
  opacity: 1;
  transition: transform 480ms var(--ease-needle);
}
[data-design="b"] .b-reveal.is-visible { transform: translateY(0); }

/* ══════════════════════════════════════════════════════════════
   MOBILE RESPONSIVE — scoped to .dq-design, never bare [data-design]
   ══════════════════════════════════════════════════════════════ */
[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; }

@media (max-width: 880px) {
  [data-design="b"] .b-services .b-section-inner {
    grid-template-columns: 1fr;
  }
  [data-design="b"] .b-about__grid { grid-template-columns: 1fr; }
  [data-design="b"] .b-footer__inner { grid-template-columns: 1fr; text-align: center; }
  [data-design="b"] .b-footer__col--phone { align-items: flex-start; text-align: left; }
  [data-design="b"] .b-services__topo { position: static; }
}

@media (max-width: 560px) {
  [data-design="b"] .b-qual__opts { grid-template-columns: 1fr; }
  [data-design="b"] .b-qual__opts--2col { grid-template-columns: 1fr 1fr; }
  [data-design="b"] .b-qual__fields { grid-template-columns: 1fr; }
  [data-design="b"] .b-header__bar { padding: 14px 18px; }
  [data-design="b"] .b-hero__headline { font-size: clamp(28px, 8vw, 44px); }
  [data-design="b"] .b-service-list li {
    grid-template-columns: 40px 1fr;
  }
  [data-design="b"] .b-svc__tag { display: none; }
}

@media (max-width: 390px) {
  [data-design="b"] .b-qual__opts--2col { grid-template-columns: 1fr; }
}

/* ── Reduced motion ──────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .b-trace__wave { animation: none; }
  [data-design="b"] .b-hero__copper-trace { animation: none; stroke-dashoffset: 0; opacity: 0.85; }
  [data-design="b"] .b-hero__phosphor-sine { animation: none; opacity: 0.25; }
  [data-design="b"] .b-hero__node { animation: none; opacity: 0.8; }
  [data-design="b"] .b-hero__node--live { animation: none; opacity: 1; }
  [data-design="b"] .b-phone-cta__pulse { animation: none; opacity: 0.4; transform: none; }
  [data-design="b"] .b-pointer__beam { animation: none; stroke-dashoffset: 0; opacity: 1; }
  [data-design="b"] .b-pointer__head { animation: none; opacity: 1; }
  [data-design="b"] .b-pointer__origin-dot { animation: none; opacity: 1; }
  [data-design="b"] .b-qual__step { transition: none; transform: none; }
  [data-design="b"] .b-qual__pips li.is-active::after { animation: none; }
  [data-design="b"] .b-submit-btn__pulse { animation: none; opacity: 0.4; transform: none; }
  [data-design="b"] .b-topo__paths path { transition: none; }
  [data-design="b"] .b-topo__nodes circle { transition: none; }
  [data-design="b"] .b-drawer { transition: none; }
  [data-design="b"] .b-footer__live-dot { animation: none; opacity: 0.8; }
  [data-design="b"] .b-reveal { transition: none; transform: none; }
}

/* 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; }