/* ============================================================
   Sanders Heating & Cooling LLC — Design B (counterweight)
   ALL selectors scoped [data-design="b"] — zero counterweight-
   scoped selectors. Keyframes prefixed cw- to avoid collisions.
   Thermal tokens: --thermal-temp (0..1), --thermal-bg, --thermal-accent.
   ============================================================ */

/* ── 1. TOKEN BLOCK ─────────────────────────────────────────── */
[data-design="b"] {
  /* Counterweight palette */
  --bone:        #F6F2EA;
  --bone-deep:   #ECE5D5;
  --ink:         #0C0D0F;
  --ink-soft:    #3B3D42;
  --muted:       #7B7D82;
  --signal:      #FF4A1C;
  --latch:       #0C0D0F;
  --seal:        #1E6B43;
  --critical:    #B5251A;

  /* HVAC thermal spine tokens */
  --thermal-temp:     0;           /* 0=cold, 1=warm — driven by scroll */
  --thermal-cool:     #1A4A5C;     /* deep teal-blue */
  --thermal-warm:     #B8621A;     /* restrained amber */
  --thermal-bg-cool:  #1A4A5C;
  --thermal-bg-warm:  #B8621A;
  --thermal-bg:       color-mix(in oklab, var(--thermal-warm) calc(var(--thermal-temp)*100%), var(--thermal-cool));
  --thermal-accent:   color-mix(in oklab, var(--thermal-warm) calc(var(--thermal-temp)*100%), var(--thermal-cool));

  /* Design B primary — exposed as required */
  --design-b-primary: var(--thermal-bg);

  /* Typography */
  --font-display: "Söhne Breit","GT America Extended","Helvetica Neue Condensed",system-ui,sans-serif;
  --font-body:    "Söhne","Inter","Helvetica Neue",system-ui,sans-serif;
  --font-mono:    "Söhne Mono","JetBrains Mono","SF Mono",monospace;

  /* Type scale */
  --text-cap:    13px;
  --text-body:   16px;
  --text-step:   24px;
  --text-frame:  56px;
  --text-banner: 96px;
  --text-mega:   144px;

  /* Motion */
  --dur-tick:    100ms;
  --dur-cut:     220ms;
  --dur-frame:   420ms;
  --dur-shot:    720ms;
  --dur-act:     1100ms;
  --ease-cut:    cubic-bezier(.7,0,.84,0);
  --ease-arrive: cubic-bezier(.16,1,.3,1);
  --ease-drift:  cubic-bezier(.45,.05,.55,.95);
  --ease-shot:   cubic-bezier(.22,1,.36,1);

  /* Spacing */
  --space-cut:   4px;
  --space-em:    8px;
  --space-cue:   16px;
  --space-frame: 32px;
  --space-reel:  64px;
  --space-act:   120px;

  /* Radius */
  --radius-zero: 0;
  --radius-half: 4px;

  background: var(--bone);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  [data-design="b"] {
    --bone:        #0C0D0F;
    --bone-deep:   #16181C;
    --ink:         #F4F0E8;
    --ink-soft:    #BFBBB1;
    --signal:      #FF6240;
    --latch:       #F4F0E8;
    --seal:        #3FA76B;
    --critical:    #E4493B;
    --thermal-cool: #1E5A70;
    --thermal-warm: #C8721A;
  }
}

/* ── 2. HEADER (Element 1 — Leader) ────────────────────────── */
[data-design="b"] .cw-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bone);
  box-sizing: border-box;
  overflow: hidden;
}
[data-design="b"] .cw-header::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--ink);
  opacity: .2;
}
[data-design="b"] .cw-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-cue);
  max-width: 100%;
  padding: var(--space-em) clamp(16px,4vw,32px);
  box-sizing: border-box;
}
[data-design="b"] .cw-logo {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -.02em;
  font-size: clamp(16px,2.4vw,24px);
  color: var(--ink);
  text-decoration: none;
  text-transform: uppercase;
}
/* Header atmospheric tick — thermal-tinted, translateX only (motion-gate clean) */
[data-design="b"] .cw-leader__tick {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 56px;
  height: 2px;
  background: var(--thermal-accent);
  animation: cw-leader-run 22s linear infinite;
}
@keyframes cw-leader-run {
  0%   { transform: translateX(-56px);    opacity: 0; }
  6%   { opacity: .85; }
  94%  { opacity: .85; }
  100% { transform: translateX(calc(100vw + 56px)); opacity: 0; }
}
[data-design="b"] .cw-burger {
  position: relative;
  z-index: 70;
  width: 44px;
  height: 44px;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  background: none;
  border: 1px solid var(--ink);
  border-radius: var(--radius-zero);
  cursor: pointer;
  padding: 0 10px;
  box-sizing: border-box;
}
[data-design="b"] .cw-burger__bar {
  height: 2px;
  background: var(--ink);
  transition: transform var(--dur-cut) var(--ease-cut), opacity var(--dur-cut);
}
[data-design="b"] .cw-burger[aria-expanded="true"] .cw-burger__bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}
[data-design="b"] .cw-burger[aria-expanded="true"] .cw-burger__bar:nth-child(2) {
  transform: translateY(-4px) rotate(-45deg);
}
/* Drawer */
[data-design="b"] .cw-drawer {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--bone);
  transform: translateY(-100%);
  visibility: hidden;
  display: none;
  flex-direction: column;
  justify-content: center;
  padding: clamp(24px,8vw,80px);
  box-sizing: border-box;
  transition: transform var(--dur-frame) var(--ease-cut),
              visibility 0s linear var(--dur-frame);
}
[data-design="b"] .cw-drawer[data-open] {
  display: flex;
  transform: translateY(0);
  visibility: visible;
  transition: transform var(--dur-frame) var(--ease-arrive), visibility 0s;
}
[data-design="b"] .cw-drawer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-cue);
}
[data-design="b"] .cw-drawer a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px,8vw,64px);
  letter-spacing: -.02em;
  color: var(--ink);
  text-decoration: none;
  text-transform: uppercase;
  line-height: 1.1;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .cw-drawer a:hover { color: var(--thermal-accent); }
}
[data-design="b"] .cw-drawer__phone {
  font-family: var(--font-mono) !important;
  font-size: clamp(18px,4vw,28px) !important;
  letter-spacing: .04em !important;
  color: var(--thermal-accent) !important;
  margin-top: var(--space-cue);
}
[data-design="b"] .cw-drawer__close {
  align-self: flex-start;
  margin-top: var(--space-reel);
  background: none;
  border: none;
  font-family: var(--font-mono);
  font-size: var(--text-cap);
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ink);
  cursor: pointer;
}

/* ── 3. HERO (Element 3 + 5 — thermal backdrop + airflow) ──── */
[data-design="b"] .cw-hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: center;
  background: var(--bone);
  overflow: hidden;
  box-sizing: border-box;
}
[data-design="b"] .cw-hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
[data-design="b"] .cw-airflow {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
}

/* Duct geometry */
[data-design="b"] .cw-duct {
  fill: color-mix(in oklab, var(--thermal-accent), transparent 72%);
  transition: fill 1.2s ease;
}
[data-design="b"] .cw-vent {
  fill: none;
  stroke: color-mix(in oklab, var(--thermal-accent), transparent 58%);
  stroke-width: 1px;
}
[data-design="b"] .cw-vent-slot {
  stroke: color-mix(in oklab, var(--thermal-accent), transparent 55%);
  stroke-width: .8px;
}

/* Thermal wash overlay */
[data-design="b"] .cw-thermal-wash {
  transition: opacity 1.2s ease;
  opacity: .5;
}

/* Air particles — each tinted by thermal-accent, flowing along ducts */
[data-design="b"] .cw-particle {
  fill: var(--thermal-accent);
  opacity: 0.22;
}

/* Stream animations — each stream loops at a different speed for rhythm */
[data-design="b"] .cw-stream--top .cw-p1 { animation: cw-flow-h 9s  var(--ease-drift) -1s   infinite; }
[data-design="b"] .cw-stream--top .cw-p2 { animation: cw-flow-h 11s var(--ease-drift) -4s   infinite; }
[data-design="b"] .cw-stream--top .cw-p3 { animation: cw-flow-h 8s  var(--ease-drift) -2.5s infinite; }
[data-design="b"] .cw-stream--top .cw-p4 { animation: cw-flow-h 12s var(--ease-drift) -6s   infinite; }
[data-design="b"] .cw-stream--top .cw-p5 { animation: cw-flow-h 10s var(--ease-drift) -3s   infinite; }
[data-design="b"] .cw-stream--top .cw-p6 { animation: cw-flow-h 9s  var(--ease-drift) -7s   infinite; }
[data-design="b"] .cw-stream--top .cw-p7 { animation: cw-flow-h 13s var(--ease-drift) -1.5s infinite; }

[data-design="b"] .cw-stream--mid .cw-p1 { animation: cw-flow-h 10s var(--ease-drift) -3s   infinite; }
[data-design="b"] .cw-stream--mid .cw-p2 { animation: cw-flow-h 8s  var(--ease-drift) -5s   infinite; }
[data-design="b"] .cw-stream--mid .cw-p3 { animation: cw-flow-h 12s var(--ease-drift) -0.5s infinite; }
[data-design="b"] .cw-stream--mid .cw-p4 { animation: cw-flow-h 9s  var(--ease-drift) -2s   infinite; }
[data-design="b"] .cw-stream--mid .cw-p5 { animation: cw-flow-h 11s var(--ease-drift) -7s   infinite; }
[data-design="b"] .cw-stream--mid .cw-p6 { animation: cw-flow-h 10s var(--ease-drift) -4.5s infinite; }
[data-design="b"] .cw-stream--mid .cw-p7 { animation: cw-flow-h 8s  var(--ease-drift) -1s   infinite; }

[data-design="b"] .cw-stream--low .cw-p1 { animation: cw-flow-h 11s var(--ease-drift) -2s   infinite; }
[data-design="b"] .cw-stream--low .cw-p2 { animation: cw-flow-h 9s  var(--ease-drift) -5.5s infinite; }
[data-design="b"] .cw-stream--low .cw-p3 { animation: cw-flow-h 10s var(--ease-drift) -0s   infinite; }
[data-design="b"] .cw-stream--low .cw-p4 { animation: cw-flow-h 13s var(--ease-drift) -3.5s infinite; }
[data-design="b"] .cw-stream--low .cw-p5 { animation: cw-flow-h 8s  var(--ease-drift) -6s   infinite; }
[data-design="b"] .cw-stream--low .cw-p6 { animation: cw-flow-h 12s var(--ease-drift) -1.5s infinite; }
[data-design="b"] .cw-stream--low .cw-p7 { animation: cw-flow-h 9s  var(--ease-drift) -4s   infinite; }

[data-design="b"] .cw-stream--vert .cw-pv1 { animation: cw-flow-v 7s  var(--ease-drift) -1s   infinite; }
[data-design="b"] .cw-stream--vert .cw-pv2 { animation: cw-flow-v 9s  var(--ease-drift) -3s   infinite; }
[data-design="b"] .cw-stream--vert .cw-pv3 { animation: cw-flow-v 8s  var(--ease-drift) -5s   infinite; }

/* Horizontal airflow — translate within the viewBox bounds */
@keyframes cw-flow-h {
  0%   { transform: translateX(-240px); opacity: 0; }
  8%   { opacity: .22; }
  88%  { opacity: .22; }
  100% { transform: translateX(240px);  opacity: 0; }
}
/* Vertical airflow — translate downward */
@keyframes cw-flow-v {
  0%   { transform: translateY(-120px); opacity: 0; }
  8%   { opacity: .22; }
  88%  { opacity: .22; }
  100% { transform: translateY(120px);  opacity: 0; }
}

/* Hero content layer — above backdrop */
[data-design="b"] .cw-hero__content {
  position: relative;
  z-index: 2;
  padding: var(--space-act) clamp(16px,6vw,80px);
  max-width: 860px;
  box-sizing: border-box;
}
[data-design="b"] .cw-hero__counter {
  font-family: var(--font-mono);
  font-size: var(--text-cap);
  color: var(--muted);
  letter-spacing: .14em;
  text-transform: uppercase;
  margin: 0 0 var(--space-cue);
}
[data-design="b"] .cw-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(36px,7vw,var(--text-banner));
  line-height: .96;
  letter-spacing: -.025em;
  color: var(--ink);
  margin: 0 0 var(--space-frame);
  max-width: 14ch;
}
[data-design="b"] .cw-hero__subtitle {
  font-family: var(--font-mono);
  font-size: clamp(13px,1.6vw,var(--text-body));
  color: var(--ink-soft);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin: 0 0 var(--space-cue);
  line-height: 1.5;
}
[data-design="b"] .cw-hero__proof {
  font-family: var(--font-mono);
  font-size: var(--text-cap);
  color: var(--muted);
  letter-spacing: .1em;
  margin: 0 0 var(--space-reel);
  line-height: 1.5;
}

/* ── 4. CTA (Element 2 — Latch) ────────────────────────────── */
[data-design="b"] .cw-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-cue);
  padding: 18px 32px;
  border: 1px solid var(--ink);
  border-radius: var(--radius-zero);
  background: var(--bone);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px,2.4vw,var(--text-step));
  letter-spacing: -.01em;
  text-transform: uppercase;
  text-decoration: none;
  overflow: hidden;
  cursor: pointer;
  box-sizing: border-box;
  max-width: 100%;
  transition: transform var(--dur-tick) var(--ease-arrive),
              color var(--dur-cut) var(--ease-cut);
  min-height: 56px;
}
[data-design="b"] .cw-cta__label,
[data-design="b"] .cw-cta__arrow {
  position: relative;
  z-index: 2;
}
[data-design="b"] .cw-cta__arrow {
  transition: transform var(--dur-cut) var(--ease-arrive);
}
[data-design="b"] .cw-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-cut) var(--ease-cut);
  z-index: 1;
}
[data-design="b"] .cw-cta__trace {
  position: absolute;
  left: 0; bottom: 0;
  height: 2px; width: 100%;
  background: var(--thermal-accent);
  z-index: 3;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-frame) var(--ease-shot);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .cw-cta:hover,
  [data-design="b"] .cw-cta:focus-visible { color: var(--bone); }
  [data-design="b"] .cw-cta:hover::before,
  [data-design="b"] .cw-cta:focus-visible::before { transform: scaleX(1); }
  [data-design="b"] .cw-cta:hover .cw-cta__trace,
  [data-design="b"] .cw-cta:focus-visible .cw-cta__trace { transform: scaleX(1); }
  [data-design="b"] .cw-cta:hover .cw-cta__arrow { transform: translateX(6px); }
}
[data-design="b"] .cw-cta:active { transform: translateY(1px); }
[data-design="b"] .cw-cta:focus-visible { outline: 2px solid var(--thermal-accent); outline-offset: 3px; }
[data-design="b"] .cw-cta[data-stage-in] {
  animation: cw-cta-arrive var(--dur-shot) var(--ease-arrive) both;
}
@keyframes cw-cta-arrive {
  0%   { opacity: 0; transform: translateY(-14px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* ── 5. POINTER (Element 6 — thermal-flow isotherm) ──────────  */
[data-design="b"] .cw-pointer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-cue);
  padding: clamp(24px,4vw,40px) clamp(16px,6vw,32px);
  background: var(--bone);
  box-sizing: border-box;
  /* HARD: always visible — opacity:1, non-zero height */
  opacity: 1;
}
[data-design="b"] .cw-pointer__svg {
  width: 100%;
  max-width: 320px;
  height: 56px;
  overflow: visible;
}
[data-design="b"] .cw-pointer__isotherm {
  stroke: var(--thermal-accent);
  stroke-width: 1.5px;
  stroke-dasharray: 320;
  stroke-dashoffset: 320;
  animation: cw-isotherm-draw 2.4s var(--ease-shot) 0.3s both,
             cw-isotherm-warm 8s var(--ease-drift) 3s infinite alternate;
}
@keyframes cw-isotherm-draw {
  to { stroke-dashoffset: 0; }
}
@keyframes cw-isotherm-warm {
  0%   { opacity: .55; }
  100% { opacity: .85; }
}
[data-design="b"] .cw-pointer__chevron {
  stroke: var(--thermal-accent);
  stroke-width: 1.5px;
  stroke-linecap: square;
  opacity: 0;
  animation: cw-chevron-in 0.4s var(--ease-arrive) 2.5s both;
}
[data-design="b"] .cw-pointer__chevron--2 {
  animation-delay: 2.8s;
}
@keyframes cw-chevron-in {
  0%   { opacity: 0; transform: translateY(-4px); }
  100% { opacity: .65; transform: translateY(0); }
}
[data-design="b"] .cw-pointer__label {
  font-family: var(--font-mono);
  font-size: var(--text-cap);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .16em;
}

/* ── 6. FUNNEL (Element 5 — qualifying tap funnel) ──────────── */
[data-design="b"] .cw-funnel-sec {
  position: relative;
  min-height: 80vh;
  padding: var(--space-act) clamp(16px,6vw,32px) var(--space-act) clamp(40px,8vw,120px);
  background: var(--bone);
  box-sizing: border-box;
  overflow: hidden;
}
/* Counterweight rule — progress spine */
[data-design="b"] .cw-rule {
  position: absolute;
  left: clamp(16px,4vw,40px);
  top: var(--space-act);
  bottom: var(--space-act);
  width: 2px;
  background: color-mix(in oklab, var(--ink), transparent 80%);
}
[data-design="b"] .cw-rule__burn {
  position: absolute;
  left: 0; top: 0;
  width: 2px; height: 100%;
  background: var(--thermal-accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur-shot) var(--ease-shot);
}
[data-design="b"] .cw-rule__dot {
  position: absolute;
  left: -1px;
  top: 0;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--thermal-accent);
  opacity: 0;
  transform: translateY(var(--burn-ty, -50%));
  transition: transform var(--dur-shot) var(--ease-shot);
}
[data-design="b"] .cw-rule__dot[data-ignite] {
  opacity: 1;
  animation: cw-ignite 2.4s var(--ease-shot) forwards;
}
@keyframes cw-ignite {
  0%   { box-shadow: 0 0 0 0 var(--thermal-warm); }
  55%  { box-shadow: 0 0 0 2px var(--thermal-warm); }
  100% { box-shadow: 0 0 18px 8px color-mix(in oklab,var(--thermal-warm),transparent 100%); }
}
[data-design="b"] .cw-funnel__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--text-cap);
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--muted);
  margin-bottom: var(--space-reel);
}
[data-design="b"] .cw-counter b {
  display: inline-block;
  color: var(--ink);
  font-weight: 400;
}
[data-design="b"] .cw-counter.is-reel b {
  animation: cw-reel-flip var(--dur-frame) var(--ease-arrive);
}
@keyframes cw-reel-flip {
  0%   { transform: rotateX(90deg); opacity: 0; }
  100% { transform: rotateX(0);     opacity: 1; }
}
[data-design="b"] .cw-stage { min-height: 40vh; }
[data-design="b"] .cw-chapter__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(36px,9vw,var(--text-banner));
  line-height: .96;
  letter-spacing: -.02em;
  color: var(--ink);
  margin: 0 0 var(--space-frame);
  max-width: 14ch;
}
[data-design="b"] .cw-chapter__title .cw-l {
  display: inline-block;
  white-space: pre;
}
[data-design="b"] .cw-chapter[data-enter] .cw-l {
  animation: cw-stage-in var(--dur-shot) var(--ease-arrive) both;
  animation-delay: calc(var(--i, 0) * 24ms);
}
@keyframes cw-stage-in {
  0%   { opacity: 0; transform: translateY(-.5em); }
  100% { opacity: 1; transform: translateY(0); }
}
[data-design="b"] .cw-chapter[data-leave] .cw-chapter__title {
  animation: cw-cleave-out var(--dur-cut) var(--ease-cut) both;
}
@keyframes cw-cleave-out {
  0%   { opacity: 1; transform: translateY(0) skewX(0); }
  100% { opacity: 0; transform: translateY(-12px) skewX(4deg); }
}
/* Choice latch buttons */
[data-design="b"] .cw-choices {
  display: flex;
  flex-direction: column;
  gap: var(--space-cue);
  max-width: 560px;
}
[data-design="b"] .cw-latch {
  position: relative;
  text-align: left;
  width: 100%;
  padding: 18px 24px;
  border: 1px solid var(--ink);
  border-radius: var(--radius-zero);
  background: var(--bone);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px,3vw,var(--text-step));
  letter-spacing: -.01em;
  cursor: pointer;
  overflow: hidden;
  box-sizing: border-box;
  transition: color var(--dur-cut) var(--ease-cut);
  min-height: 56px;
}
[data-design="b"] .cw-latch::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-cut) var(--ease-cut);
  z-index: 0;
}
[data-design="b"] .cw-latch span { position: relative; z-index: 1; }
[data-design="b"] .cw-latch__trace {
  position: absolute;
  left: 0; bottom: 0;
  height: 2px; width: 100%;
  background: var(--thermal-accent);
  z-index: 2;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-cut) var(--ease-shot);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .cw-latch:hover .cw-latch__trace,
  [data-design="b"] .cw-latch:focus-visible .cw-latch__trace { transform: scaleX(1); }
}
[data-design="b"] .cw-latch[data-latched]              { color: var(--bone); }
[data-design="b"] .cw-latch[data-latched]::before       { transform: scaleX(1); }
[data-design="b"] .cw-latch[data-latched] .cw-latch__trace { transform: scaleX(1); }
[data-design="b"] .cw-latch:focus-visible {
  outline: 2px solid var(--thermal-accent);
  outline-offset: 3px;
}
/* Cue mirror (optional last-step text) */
[data-design="b"] .cw-cue { max-width: 560px; }
[data-design="b"] .cw-cue__mirror {
  display: block;
  min-height: .9em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px,7vw,72px);
  line-height: 1;
  color: var(--thermal-accent);
  opacity: 0;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity var(--dur-frame) var(--ease-cut);
}
[data-design="b"] .cw-cue__mirror[data-show] { opacity: 1; }
[data-design="b"] .cw-cue__label {
  display: block;
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
  margin: var(--space-cue) 0 var(--space-em);
}
[data-design="b"] .cw-cue__field {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--ink);
  background: transparent;
  font-family: var(--font-body);
  font-size: var(--text-step);
  color: var(--ink);
  padding: var(--space-em) 0;
  box-sizing: border-box;
}
[data-design="b"] .cw-cue__field:focus {
  outline: none;
  border-bottom-width: 2px;
}
[data-design="b"] .cw-error {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-cap);
  color: var(--critical);
  margin-top: var(--space-em);
}
[data-design="b"] .cw-funnel__foot {
  display: flex;
  align-items: center;
  gap: var(--space-cue);
  margin-top: var(--space-reel);
  flex-wrap: wrap;
}
[data-design="b"] .cw-back {
  background: none;
  border: none;
  font-family: var(--font-mono);
  font-size: var(--text-cap);
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ink);
  cursor: pointer;
  padding: 8px 0;
  min-height: 44px;
}
[data-design="b"] .cw-micro {
  font-family: var(--font-mono);
  font-size: var(--text-cap);
  color: var(--muted);
  max-width: 48ch;
}
/* Reel (summary + contact action) */
[data-design="b"] .cw-reel { margin-top: var(--space-reel); max-width: 560px; }
[data-design="b"] .cw-reel__seal {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: var(--text-cap);
  color: var(--seal);
  margin: 0;
}
[data-design="b"] .cw-reel__list {
  list-style: none;
  margin: var(--space-cue) 0 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: var(--text-body);
}
[data-design="b"] .cw-reel__list li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-cue);
  padding: var(--space-em) 0;
  border-bottom: 1px solid color-mix(in oklab, var(--ink), transparent 85%);
  flex-wrap: wrap;
}
[data-design="b"] .cw-reel__list .q { color: var(--muted); }
[data-design="b"] .cw-reel__list .a { color: var(--ink); text-align: right; }
[data-design="b"] .cw-reel__contact { margin-top: var(--space-reel); }
[data-design="b"] .cw-reel__call {
  display: inline-flex;
  align-items: center;
  gap: var(--space-cue);
  padding: 18px 32px;
  border: 1px solid var(--thermal-accent);
  background: transparent;
  color: var(--thermal-accent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px,2.4vw,var(--text-step));
  letter-spacing: -.01em;
  text-transform: uppercase;
  text-decoration: none;
  min-height: 56px;
  min-width: 44px;
  box-sizing: border-box;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .cw-reel__call:hover {
    background: var(--thermal-accent);
    color: var(--bone);
  }
}

/* ── 7. SERVICES / INDEX (Element 4 — Ambient B mid-page) ───── */
[data-design="b"] .cw-services {
  background: var(--bone-deep);
  padding: var(--space-act) clamp(16px,6vw,32px);
  box-sizing: border-box;
}
[data-design="b"] .cw-services__kicker {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: var(--text-cap);
  color: var(--muted);
  margin: 0 0 var(--space-reel);
}
[data-design="b"] .cw-index {
  position: relative;
  box-sizing: border-box;
  overflow: hidden;
}
[data-design="b"] .cw-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 var(--space-frame);
  position: relative;
}
[data-design="b"] .cw-index__list::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 1px;
  background: var(--thermal-accent);
  opacity: .35;
}
[data-design="b"] .cw-index__item {
  display: flex;
  gap: var(--space-cue);
  align-items: flex-start;
  padding: var(--space-cue) 0;
  border-bottom: 1px solid color-mix(in oklab, var(--ink), transparent 88%);
}
[data-design="b"] .cw-index__no {
  font-family: var(--font-mono);
  font-size: var(--text-cap);
  color: var(--thermal-accent);
  min-width: 3ch;
  padding-top: 6px;
}
[data-design="b"] .cw-index__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px,5vw,var(--text-frame));
  letter-spacing: -.02em;
  line-height: 1.05;
  color: var(--ink);
  display: block;
  margin-bottom: var(--space-em);
}
[data-design="b"] .cw-index__desc {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0;
  max-width: 56ch;
}
/* Playhead ambient animation — uses translateY (no top animation = motion-gate clean) */
[data-design="b"] .cw-index__playhead {
  position: absolute;
  left: 0;
  top: 8%;
  width: 14px; height: 2px;
  background: var(--thermal-accent);
  box-shadow: 0 0 8px var(--thermal-accent);
  /* translate across ~86% of parent height; parent has known height from padding */
  animation: cw-playhead 18s var(--ease-drift) infinite;
}
@keyframes cw-playhead {
  0%   { transform: translateY(0);       opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateY(1060%);   opacity: 0; }
}

/* ── 8. ABOUT ────────────────────────────────────────────────── */
[data-design="b"] .cw-about {
  background: var(--bone);
  padding: var(--space-act) clamp(16px,6vw,32px);
  box-sizing: border-box;
}
[data-design="b"] .cw-about__kicker {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: var(--text-cap);
  color: var(--muted);
  margin: 0 0 var(--space-reel);
}
[data-design="b"] .cw-about__body { max-width: 640px; }
[data-design="b"] .cw-about__text {
  font-family: var(--font-body);
  font-size: clamp(16px,1.8vw,18px);
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0 0 var(--space-cue);
}
[data-design="b"] .cw-about__creds {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-cue);
  margin-top: var(--space-frame);
  padding-top: var(--space-frame);
  border-top: 1px solid color-mix(in oklab, var(--ink), transparent 85%);
}
[data-design="b"] .cw-about__cred-item dt {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--muted);
  margin-bottom: 4px;
}
[data-design="b"] .cw-about__cred-item dd {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(14px,1.8vw,18px);
  color: var(--ink);
  margin: 0;
}

/* ── 9. FOOTER (Imprint) ────────────────────────────────────── */
[data-design="b"] .cw-footer {
  background: var(--bone-deep);
  padding: var(--space-reel) clamp(16px,6vw,32px);
  box-sizing: border-box;
}
[data-design="b"] .cw-footer__rule {
  display: block;
  height: 1px;
  background: var(--ink);
  opacity: .2;
  margin-bottom: var(--space-frame);
}
[data-design="b"] .cw-footer__row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-cue) var(--space-frame);
  align-items: baseline;
  margin-bottom: var(--space-cue);
}
[data-design="b"] .cw-footer__name {
  font-family: var(--font-mono);
  font-size: var(--text-body);
  font-weight: 700;
  color: var(--ink);
}
[data-design="b"] .cw-footer__phone {
  font-family: var(--font-mono);
  font-size: var(--text-body);
  color: var(--thermal-accent);
  text-decoration: none;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .cw-footer__phone:hover { text-decoration: underline; }
}
[data-design="b"] .cw-footer__lic,
[data-design="b"] .cw-footer__area {
  font-family: var(--font-mono);
  font-size: var(--text-cap);
  color: var(--muted);
}
[data-design="b"] .cw-footer__fb {
  font-family: var(--font-mono);
  font-size: var(--text-cap);
  color: var(--muted);
  text-decoration: none;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .cw-footer__fb:hover { color: var(--ink); }
}
[data-design="b"] .cw-footer__copy {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  margin: 0;
}

/* ── 10. REDUCED MOTION ─────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  /* Stills the airflow but keeps a thermally-tinted static frame */
  [data-design="b"] .cw-particle                      { animation: none; opacity: .14; }
  [data-design="b"] .cw-leader__tick                  { animation: none; left: 0; opacity: .5; }
  [data-design="b"] .cw-index__playhead               { animation: none; top: 8%; opacity: .6; }
  [data-design="b"] .cw-pointer__isotherm             { animation: none; stroke-dashoffset: 0; opacity: .6; }
  [data-design="b"] .cw-pointer__chevron              { animation: none; opacity: .55; }
  [data-design="b"] .cw-pointer__chevron--2           { animation: none; opacity: .55; }
  [data-design="b"] .cw-chapter[data-enter] .cw-l,
  [data-design="b"] .cw-chapter[data-leave] .cw-chapter__title,
  [data-design="b"] .cw-counter b                     { animation: none; }
  [data-design="b"] .cw-rule__burn,
  [data-design="b"] .cw-rule__dot                     { transition: none; }
  [data-design="b"] .cw-rule__dot[data-ignite]        { animation: none; box-shadow: 0 0 0 2px var(--thermal-warm); }
  [data-design="b"] .cw-cta,
  [data-design="b"] .cw-cta__trace,
  [data-design="b"] .cw-cta::before,
  [data-design="b"] .cw-cta__arrow                    { transition: none; animation: none; }
  [data-design="b"] .cw-drawer,
  [data-design="b"] .cw-burger__bar                   { transition: none; }
}

/* ── 11. FUNNEL MOBILE RULE ─────────────────────────────────── */
@media (max-width: 768px) {
  [data-design="b"] .cw-funnel-sec {
    padding: calc(var(--space-act) + 8px) clamp(16px,6vw,24px) var(--space-act);
  }
  [data-design="b"] .cw-rule {
    left: 0; right: 0;
    top: 0; bottom: auto;
    width: auto; height: 2px;
  }
  [data-design="b"] .cw-rule__burn {
    top: 0;
    width: 100%; height: 2px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--dur-shot) var(--ease-shot);
  }
  [data-design="b"] .cw-rule__dot {
    top: -1px;
    left: 0;
    transform: translateX(var(--burn-tx, -50%));
    transition: transform var(--dur-shot) var(--ease-shot);
  }
}

/* ── 12. MOBILE NO-HSCROLL (HARD CONTRACT — SCOPED to .dq-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; }

/* 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; }