/* ================================================================
   Box Office × Plumb Rite Plumbing — Design B
   All selectors scoped to [data-design="b"] / .dq-design
   All keyframes bo-prefixed. Zero [data-design="b"] left.
   ================================================================ */

/* ── Token contract ─────────────────────────────────────────────── */
[data-design="b"] {
  --design-b-primary: #e5a938;

  /* Color — movie-palace cream (light base) */
  --marquee: #f2e8d0;
  --marquee-deep: #e4d6b1;
  --theater: #0f0c08;
  --theater-soft: #3b342a;
  --muted: #86795b;
  --rule: #26201a;
  --bulb-amber: #e5a938;
  --velvet: #a82a1f;
  --brass: #a88240;
  --neon-pink: #e84a8a;
  --seal: #3e6a3c;
  --critical: #7c1812;

  /* Copper-warm plumbing accent */
  --copper: #b5651d;
  --copper-light: #d4824a;
  --copper-glow: rgba(181, 101, 29, 0.28);

  /* Typography */
  --font-marquee: "Bigshot Old Wood", "Acumin Pro Wide", "Helvetica Neue", sans-serif;
  --font-display: "GT America Extended", "Söhne Breit", "Arial Narrow", sans-serif;
  --font-body: "GT America", "Söhne", "Inter", system-ui, sans-serif;
  --font-stub: "Sentinel Bold", "Roboto Slab", "PT Serif", serif;
  --font-data: "GT America Mono", "JetBrains Mono", monospace;

  /* Spacing */
  --space-perf: 4px;
  --space-em: 8px;
  --space-stub: 16px;
  --space-row: 24px;
  --space-rope: 48px;
  --space-aisle: 80px;
  --space-house: 144px;

  /* Motion */
  --dur-tick: 100ms;
  --dur-print: 520ms;
  --dur-chase: 1800ms;
  --dur-spot: 800ms;
  --dur-curtain: 1200ms;
  --ease-print: cubic-bezier(.65, .05, .36, 1);
  --ease-chase: linear;
  --ease-spot: cubic-bezier(.22, 1, .36, 1);
  --ease-curtain: cubic-bezier(.34, .04, .26, 1);

  /* Radius */
  --radius-zero: 0;
  --radius-perf: 2px;
  --radius-bulb: 50%;
  --radius-rope: 32px;

  /* Shadow */
  --shadow-marquee: 0 0 32px rgba(229, 169, 56, .15);
  --shadow-ticket: 1px 2px 0 rgba(0, 0, 0, .12), inset 0 0 0 1px var(--brass);
  --shadow-press: inset 0 2px 0 rgba(0, 0, 0, .2);
  --shadow-spot: 0 0 60px rgba(232, 74, 138, .18);

  color: var(--theater);
  background: var(--marquee);
  font-family: var(--font-body);
}

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

@media (prefers-color-scheme: dark) {
  [data-design="b"] {
    --marquee: #0a0908;
    --marquee-deep: #13110c;
    --theater: #f2e8d0;
    --theater-soft: #c5bca1;
    --muted: #857a5e;
    --rule: #a89a78;
    --bulb-amber: #f4c24a;
    --velvet: #d04535;
    --brass: #d8ab5a;
    --neon-pink: #ff6fa8;
    --seal: #7aad70;
    --critical: #bd382c;
    --copper: #d4824a;
    --copper-light: #e09a6a;
    --copper-glow: rgba(212, 130, 74, 0.28);
  }
}

/* ── Mobile overflow guard (scoped — 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; }

/* ================================================================
   E1 — HEADER — Marquee Strip
   ================================================================ */
[data-design="b"] .bo-header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--marquee) 96%, transparent);
  /* motion-exception: backdrop-filter on sticky header; hero backdrop is below, not behind the bar; solid 96% fill avoids per-frame compositing cost on mid-range devices */
  border-bottom: 1px solid var(--rule);
}
[data-design="b"] .bo-header__bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-stub);
  max-width: 1280px; margin: 0 auto;
  padding: var(--space-stub) clamp(16px, 4vw, var(--space-rope));
}
[data-design="b"] .bo-logo {
  font-family: var(--font-marquee); text-transform: uppercase;
  letter-spacing: .04em; font-size: clamp(17px, 3.2vw, 24px);
  color: var(--theater); text-decoration: none; line-height: 1;
}
[data-design="b"] .bo-header__bulbs {
  display: flex; justify-content: space-between; align-items: center;
  gap: 4px; height: 6px;
  padding: 0 clamp(12px, 4vw, var(--space-rope));
  overflow: hidden; order: 2;
}
[data-design="b"] .bo-bulb-dot {
  flex: 0 0 6px; width: 6px; height: 6px; border-radius: var(--radius-bulb);
  background: var(--bulb-amber); opacity: .35;
  animation: bo-bulb-glow 22s var(--ease-chase) infinite; /* H-3: ≥18s */
}
@keyframes bo-bulb-glow {
  0%, 100% { opacity: .3; }
  8%        { opacity: 1; box-shadow: 0 0 8px var(--bulb-amber); }
  20%       { opacity: .3; box-shadow: none; }
}
[data-design="b"] .bo-burger {
  display: inline-flex; flex-direction: column; justify-content: center;
  gap: 5px; width: 44px; height: 44px; padding: 10px;
  background: none; border: 1px solid var(--rule); border-radius: var(--radius-perf);
  cursor: pointer; flex-shrink: 0;
}
[data-design="b"] .bo-burger span {
  display: block; height: 2px; background: var(--theater);
  transition: transform var(--dur-tick) ease, opacity var(--dur-tick) ease;
}
[data-design="b"] .bo-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
[data-design="b"] .bo-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
[data-design="b"] .bo-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
[data-design="b"] .bo-drawer {
  position: fixed; inset: 0; z-index: 60;
  background: color-mix(in srgb, var(--theater) 88%, transparent);
  display: grid; place-items: center;
}
[data-design="b"] .bo-drawer[hidden] { display: none; }
[data-design="b"] .bo-drawer__inner {
  display: flex; flex-direction: column; gap: var(--space-row);
  text-align: center; padding: var(--space-aisle) var(--space-stub);
  animation: bo-curtain-pull var(--dur-curtain) var(--ease-curtain);
}
[data-design="b"] .bo-drawer__inner a {
  font-family: var(--font-data); text-transform: uppercase;
  letter-spacing: .12em; font-size: 22px; color: var(--marquee);
  text-decoration: none; padding: 6px 0; min-height: 44px;
  display: flex; align-items: center; justify-content: center;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .bo-drawer__inner a:hover { color: var(--bulb-amber); }
}
[data-design="b"] .bo-drawer__phone {
  color: var(--bulb-amber) !important;
  font-family: var(--font-stub) !important;
  font-size: 26px !important; letter-spacing: .06em !important;
}
@keyframes bo-curtain-pull {
  from { transform: translateY(-24px); opacity: 0; }
  to   { transform: none; opacity: 1; }
}
@media (max-width: 560px) { [data-design="b"] .bo-header__bulbs { height: 5px; } }
@media (max-width: 320px) { [data-design="b"] .bo-logo { font-size: 15px; } }
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .bo-bulb-dot     { animation: none; opacity: .5; }
  [data-design="b"] .bo-drawer__inner { animation: none; }
}

/* ================================================================
   E3 — HERO — The Marquee + copper pipe backdrop
   isolation: isolate so nothing paints over hero text (HARD guard)
   ================================================================ */
[data-design="b"] .bo-marquee {
  position: relative;
  isolation: isolate; /* HERO text z-index guard */
  background: var(--marquee-deep);
  border-block: 1px solid var(--rule);
  padding: var(--space-rope) 0;
  overflow: hidden;
  min-height: 62vh;
  display: flex; flex-direction: column; justify-content: center;
}

/* ── Copper pipe SVG backdrop (E3 animated substrate) ── */
[data-design="b"] .bo-hero__pipe-canvas {
  position: absolute; inset: 0; z-index: 0;
  pointer-events: none; overflow: hidden;
}
[data-design="b"] .bo-hero__pipe-svg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover;
}

/* Pipe geometry — copper fill with slow build-in + ambient breath */
[data-design="b"] .bo-pipe {
  fill: none;
  stroke: var(--copper);
  stroke-width: 14;
  stroke-linecap: round;
  opacity: .18;
  animation: bo-pipe-breathe 6s ease-in-out infinite;
}
[data-design="b"] .bo-pipe--h { stroke-width: 14; }
[data-design="b"] .bo-pipe--v1,
[data-design="b"] .bo-pipe--v2 { stroke-width: 12; }
[data-design="b"] .bo-pipe--j1,
[data-design="b"] .bo-pipe--j2 {
  fill: var(--copper); stroke: none; opacity: .22;
}
[data-design="b"] .bo-gauge {
  stroke: var(--copper); opacity: .14;
  animation: bo-gauge-turn 8s ease-in-out infinite;
}
[data-design="b"] .bo-gauge__tick {
  stroke: var(--copper-light); opacity: .22;
  animation: bo-gauge-turn 8s ease-in-out infinite;
  transform-origin: 540px 297px;
}

/* Droplets flowing along the pipe (offset-path: GPU-friendly motion path) */
[data-design="b"] .bo-droplet {
  fill: var(--copper-light);
  opacity: .55;
  offset-path: path('M -20 297 L 1220 297');
  offset-distance: 0%;
}
[data-design="b"] .bo-droplet--1 { animation: bo-droplet-flow 7s ease-in-out infinite; animation-delay: 0s; }
[data-design="b"] .bo-droplet--2 { animation: bo-droplet-flow 7s ease-in-out infinite; animation-delay: -2.3s; }
[data-design="b"] .bo-droplet--3 { animation: bo-droplet-flow 7s ease-in-out infinite; animation-delay: -4.7s; }

@keyframes bo-pipe-breathe {
  0%, 100% { opacity: .18; }
  50%       { opacity: .30; }
}
@keyframes bo-gauge-turn {
  0%, 100% { transform: rotate(0deg);   opacity: .14; }
  40%       { transform: rotate(22deg);  opacity: .26; }
  70%       { transform: rotate(-8deg);  opacity: .20; }
}
@keyframes bo-droplet-flow {
  0%   { offset-distance: 0%;   opacity: 0; }
  8%   { opacity: .55; }
  92%  { opacity: .55; }
  100% { offset-distance: 100%; opacity: 0; }
}

/* Copper warm glow */
[data-design="b"] .bo-hero__glow {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 55%, var(--copper-glow), transparent 70%);
  animation: bo-glow-breathe 5s ease-in-out infinite;
}
@keyframes bo-glow-breathe {
  0%, 100% { opacity: .55; }
  50%       { opacity: 1; }
}

/* Bulb chase frames */
[data-design="b"] .bo-marquee__bulbs {
  display: flex; justify-content: space-between; gap: 6px;
  padding: 0 clamp(12px, 4vw, var(--space-rope)); overflow: hidden;
  position: relative; z-index: 2;
}
[data-design="b"] .bo-chase-bulb {
  flex: 0 0 9px; width: 9px; height: 9px; border-radius: var(--radius-bulb);
  background: var(--bulb-amber); opacity: .3;
  animation: bo-chase var(--dur-chase) var(--ease-chase) infinite;
}
[data-design="b"] .bo-marquee[data-quiet="1"] .bo-chase-bulb { animation-duration: 3600ms; }
[data-design="b"] .bo-marquee[data-paused="1"] .bo-chase-bulb { animation-play-state: paused; }
@keyframes bo-chase {
  0%, 100% { opacity: .28; }
  10%       { opacity: 1; box-shadow: 0 0 10px var(--bulb-amber); }
  24%       { opacity: .28; box-shadow: none; }
}

/* Hero stage — text ABOVE all backdrop layers (z-index hard guard) */
[data-design="b"] .bo-hero__stage {
  position: relative; z-index: 5; /* ABOVE backdrop z-index:0 and glow */
  max-width: 1100px; margin: 0 auto;
  padding: var(--space-rope) clamp(16px, 5vw, var(--space-aisle));
  display: grid; gap: var(--space-row);
}
[data-design="b"] .bo-marquee__billing {
  font-family: var(--font-marquee); text-transform: uppercase;
  font-size: clamp(32px, 8.5vw, 96px); line-height: .98;
  letter-spacing: .01em; color: var(--bulb-amber);
  margin: 0; text-wrap: balance;
  opacity: 1; /* HARD: never opacity:0 on hero text */
}
[data-design="b"] .bo-marquee__offer {
  font-family: var(--font-display); font-size: clamp(16px, 2.4vw, 22px);
  color: var(--theater-soft); max-width: 42ch; margin: 0;
  opacity: 1;
}
[data-design="b"] .bo-nowplaying {
  display: inline-flex; flex-wrap: wrap; gap: 6px 14px; align-items: baseline;
  font-family: var(--font-data); font-size: 13px; color: var(--muted);
  border: 1px solid var(--brass); border-radius: var(--radius-perf);
  padding: var(--space-em) var(--space-stub); width: max-content; max-width: 100%;
}
[data-design="b"] .bo-nowplaying__k { color: var(--bulb-amber); letter-spacing: .12em; }
[data-design="b"] .bo-nowplaying__v { color: var(--theater); }
[data-design="b"] .bo-hero__trust {
  font-family: var(--font-data); font-size: 13px; letter-spacing: .08em;
  color: var(--muted); margin: 0;
  opacity: 1;
}

@media (min-width: 768px) { [data-design="b"] .bo-hero__stage { padding-block: var(--space-aisle); } }
@media (max-width: 560px) { [data-design="b"] .bo-chase-bulb { flex-basis: 7px; width: 7px; height: 7px; } }
@media (max-width: 390px) { [data-design="b"] .bo-nowplaying { font-size: 12px; gap: 4px 10px; } }
@media (max-width: 320px) { [data-design="b"] .bo-hero__stage { padding-inline: 16px; } }
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .bo-chase-bulb    { animation: none; opacity: .5; box-shadow: none; }
  [data-design="b"] .bo-pipe         { animation: none; opacity: .22; }
  [data-design="b"] .bo-gauge        { animation: none; }
  [data-design="b"] .bo-gauge__tick  { animation: none; }
  [data-design="b"] .bo-droplet      { animation: none; opacity: .4; offset-distance: 50%; }
  [data-design="b"] .bo-hero__glow   { animation: none; opacity: .7; }
}

/* ================================================================
   E2 — CTA — Animated phone button (plumber override: tel: link)
   ================================================================ */
[data-design="b"] .bo-cta {
  position: relative; display: inline-flex; align-items: center; gap: 12px;
  padding: 16px clamp(24px, 5vw, 32px);
  font-family: var(--font-display); text-transform: uppercase;
  letter-spacing: .04em; font-size: clamp(18px, 2.8vw, 22px); font-weight: 700;
  color: var(--theater); background: var(--bulb-amber);
  border: none; border-radius: var(--radius-perf); text-decoration: none;
  box-shadow: var(--shadow-marquee);
  animation: bo-cta-breath 4.5s ease-in-out infinite;
  will-change: transform; max-width: 100%; min-height: 44px;
  opacity: 1;
}
[data-design="b"] .bo-cta__halo {
  position: absolute; inset: -10px; border-radius: inherit; z-index: -1;
  background: radial-gradient(closest-side, rgba(229,169,56,.35), transparent 70%);
  opacity: .15; transition: opacity .24s ease;
}
[data-design="b"] .bo-cta__play { width: 18px; height: 18px; flex-shrink: 0; }
[data-design="b"] .bo-cta__label { opacity: 1; }
[data-design="b"] .bo-cta__corner {
  position: absolute; width: 6px; height: 6px; border-radius: var(--radius-bulb);
  background: var(--bulb-amber); opacity: 1; /* HARD: never opacity:0 */
  transition: background .18s ease;
}
/* Corner positions — always visible, color-shifts on interaction */
[data-design="b"] .bo-cta__corner--tl { top: 5px; left: 5px; background: rgba(229,169,56,.35); }
[data-design="b"] .bo-cta__corner--tr { top: 5px; right: 5px; background: rgba(229,169,56,.35); }
[data-design="b"] .bo-cta__corner--bl { bottom: 5px; left: 5px; background: rgba(229,169,56,.35); }
[data-design="b"] .bo-cta__corner--br { bottom: 5px; right: 5px; background: rgba(229,169,56,.35); }
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .bo-cta:hover .bo-cta__halo,
  [data-design="b"] .bo-cta:focus-visible .bo-cta__halo { opacity: .28; }
  [data-design="b"] .bo-cta:hover .bo-cta__corner,
  [data-design="b"] .bo-cta:focus-visible .bo-cta__corner { background: var(--bulb-amber); }
}
[data-design="b"] .bo-cta:focus-visible { outline: 3px solid var(--velvet); outline-offset: 4px; }
[data-design="b"] .bo-cta:active { transform: translate(1px, 2px); box-shadow: var(--shadow-press); }
[data-design="b"] .bo-cta:active .bo-cta__corner { background: var(--neon-pink); }
@keyframes bo-cta-breath {
  0%, 100% { box-shadow: 0 0 18px rgba(229,169,56,.14); }
  50%       { box-shadow: 0 0 30px rgba(229,169,56,.28); }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .bo-cta { animation: none; }
}

/* ================================================================
   E6 — POINTER — hydraulic-warm drip cascade
   Sits immediately before #funnel; data-mf-role="pointer"
   NOT a button; always visible (opacity:1, height >= 8px)
   ================================================================ */
[data-design="b"] .bo-pointer {
  display: flex; flex-direction: column; align-items: center;
  gap: var(--space-em); padding: var(--space-rope) clamp(16px, 4vw, var(--space-rope));
  background: var(--marquee);
  position: relative; overflow: hidden;
  opacity: 1; /* HARD: never opacity:0 */
  min-height: 96px; /* HARD: height >= 8px at all viewports */
}
[data-design="b"] .bo-pointer__pipe {
  width: 3px; background: var(--brass); border-radius: 2px;
  height: 36px; position: relative; overflow: visible;
}
/* Scroll-linked fill: CSS custom property driven by JS for TRIAD-2 premium scroll motion */
[data-design="b"] .bo-pointer__flow {
  position: absolute; left: 0; top: 0; width: 100%;
  background: var(--copper);
  border-radius: 2px;
  transform: scaleY(0);
  transform-origin: top center;
  animation: bo-flow-fill 3s ease-in-out infinite;
}
@keyframes bo-flow-fill {
  0%   { transform: scaleY(0); opacity: 1; }
  60%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: .3; }
}
[data-design="b"] .bo-pointer__label {
  font-family: var(--font-data); text-transform: uppercase; letter-spacing: .14em;
  font-size: 13px; color: var(--muted);
  opacity: 1;
}
/* Drip cascade — droplets falling in sequence */
[data-design="b"] .bo-pointer__drips {
  display: flex; gap: 10px; align-items: flex-start; height: 24px;
}
[data-design="b"] .bo-drip {
  width: 7px; height: 7px; border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  background: var(--copper-light); opacity: 1;
  animation: bo-drip-fall 2.4s cubic-bezier(0.22, 1, 0.36, 1) infinite;
}
[data-design="b"] .bo-drip--1 { animation-delay: 0s; }
[data-design="b"] .bo-drip--2 { animation-delay: .8s; }
[data-design="b"] .bo-drip--3 { animation-delay: 1.6s; }
@keyframes bo-drip-fall {
  0%   { transform: translateY(0)    scale(1);         opacity: 0.92; }
  25%  { transform: translateY(6px)  scale(0.97,1.06); opacity: 1; }
  100% { transform: translateY(22px) scale(1.1, .85);  opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .bo-pointer__flow { animation: none; transform: scaleY(1); opacity: .5; }
  [data-design="b"] .bo-drip         { animation: none; opacity: .55; }
}

/* ================================================================
   E5 — FUNNEL — The Box Office (5-step plumber intake)
   ================================================================ */
[data-design="b"] .bo-funnel {
  max-width: 680px; margin: 0 auto;
  padding: var(--space-aisle) clamp(16px, 5vw, var(--space-rope));
}
[data-design="b"] .bo-funnel__eyebrow {
  font-family: var(--font-data); text-transform: uppercase; letter-spacing: .14em;
  font-size: 13px; color: var(--velvet); margin: 0 0 var(--space-em);
}
[data-design="b"] .bo-funnel__title {
  font-family: var(--font-marquee); text-transform: uppercase;
  font-size: clamp(28px, 6.5vw, 52px); line-height: 1.02;
  color: var(--theater); margin: 0 0 var(--space-row);
}
[data-design="b"] .bo-stublist {
  list-style: none; display: flex; flex-wrap: wrap; gap: var(--space-em);
  padding: 0; margin: 0 0 var(--space-row);
}
[data-design="b"] .bo-stub {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-data); font-size: 11px; letter-spacing: .08em;
  color: var(--muted);
}
[data-design="b"] .bo-stub__dot {
  width: 8px; height: 8px; border-radius: var(--radius-bulb);
  background: var(--brass);
}
[data-design="b"] .bo-stub[data-state="now"] .bo-stub__dot { background: var(--bulb-amber); box-shadow: 0 0 6px var(--bulb-amber); }
[data-design="b"] .bo-stub[data-state="done"] .bo-stub__dot { background: var(--seal); }
[data-design="b"] .bo-stub[data-state="now"] { color: var(--theater); }
[data-design="b"] .bo-ticket {
  position: relative; background: var(--marquee); border: 1px solid var(--brass);
  border-radius: var(--radius-perf); padding: var(--space-row);
  box-shadow: var(--shadow-ticket);
}
[data-design="b"] .bo-ticket::before {
  content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 6px;
  background: repeating-linear-gradient(var(--marquee) 0 4px, transparent 4px 9px);
  border-right: 1px dashed var(--brass);
}
[data-design="b"] .bo-ticket.is-print    { animation: bo-print var(--dur-print) var(--ease-print); }
[data-design="b"] .bo-ticket.is-swap     { animation: bo-swap 200ms ease; }
[data-design="b"] .bo-ticket.is-shake    { animation: bo-shake 360ms ease; }
[data-design="b"] .bo-ticket.is-validated { animation: bo-validate var(--dur-print) var(--ease-curtain) forwards; }
[data-design="b"] .bo-ticket__kicker {
  font-family: var(--font-data); text-transform: uppercase; letter-spacing: .12em;
  font-size: 11px; color: var(--muted); margin: 0 0 6px 12px;
}
[data-design="b"] .bo-ticket__q {
  font-family: var(--font-stub); font-size: clamp(18px, 3.8vw, 24px);
  color: var(--theater); margin: 0 0 var(--space-stub) 12px; line-height: 1.25;
}
[data-design="b"] .bo-options { display: grid; gap: var(--space-em); margin-left: 12px; }
[data-design="b"] .bo-opt {
  display: flex; align-items: center; gap: 10px; width: 100%; text-align: left;
  font-family: var(--font-display); font-size: 16px; color: var(--theater);
  background: var(--marquee-deep); border: 1px solid var(--brass);
  border-radius: var(--radius-perf); padding: 14px var(--space-stub);
  cursor: pointer; min-height: 44px;
  transition: border-color var(--dur-tick) ease;
}
[data-design="b"] .bo-opt__bulb {
  width: 8px; height: 8px; border-radius: var(--radius-bulb);
  background: var(--brass); flex: 0 0 8px;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .bo-opt:hover {
    border-color: var(--velvet);
    transform: translateX(2px);
  }
}
[data-design="b"] .bo-opt:focus-visible { outline: 2px solid var(--velvet); outline-offset: 2px; }
[data-design="b"] .bo-opt.is-picked { border-color: var(--bulb-amber); }
[data-design="b"] .bo-opt.is-picked .bo-opt__bulb { background: var(--bulb-amber); box-shadow: 0 0 6px var(--bulb-amber); }
[data-design="b"] .bo-opt--go,
[data-design="b"] .bo-opt--print {
  justify-content: center; background: var(--bulb-amber); border-color: var(--bulb-amber);
  text-transform: uppercase; font-family: var(--font-display); font-weight: 700;
}
[data-design="b"] .bo-slot { display: grid; gap: 6px; margin-left: 12px; }
[data-design="b"] .bo-slot__label {
  font-family: var(--font-display); text-transform: uppercase; letter-spacing: .08em;
  font-size: 12px; color: var(--muted);
}
[data-design="b"] .bo-slot__in {
  font-family: var(--font-data); font-size: 16px; color: var(--theater);
  background: var(--marquee-deep); border: 1px solid var(--brass);
  border-radius: var(--radius-perf); padding: 12px var(--space-stub); width: 100%; min-height: 44px;
}
[data-design="b"] .bo-slot__in:focus-visible { outline: none; border: 2px solid var(--velvet); }
[data-design="b"] .bo-box { display: grid; gap: var(--space-stub); margin-left: 12px; }
[data-design="b"] .bo-emergency-callout {
  background: color-mix(in srgb, var(--velvet) 12%, var(--marquee));
  border: 1px solid var(--velvet); border-radius: var(--radius-perf);
  padding: var(--space-stub) var(--space-row); margin: var(--space-em) 12px 0;
  font-family: var(--font-body); font-size: 15px; color: var(--theater-soft);
}
[data-design="b"] .bo-emergency-callout a { color: var(--velvet); font-weight: 700; }
[data-design="b"] .bo-confirm {
  position: relative; overflow: hidden; text-align: center;
  background: var(--theater); color: var(--marquee);
  border-radius: var(--radius-perf); padding: var(--space-aisle) var(--space-row);
}
[data-design="b"] .bo-confirm[hidden] { display: none; }
[data-design="b"] .bo-confirm__no {
  font-family: var(--font-data); font-size: clamp(14px, 3.2vw, 18px);
  letter-spacing: .08em; color: var(--seal); margin: 0 0 var(--space-em);
}
[data-design="b"] .bo-confirm__msg {
  font-family: var(--font-stub); font-size: 18px; margin: 0;
}
[data-design="b"] .bo-confirm__msg a { color: var(--bulb-amber); }
[data-design="b"] .bo-confirm__beam {
  position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(40% 60% at 0% 50%, rgba(232,74,138,.35), transparent 70%);
}
[data-design="b"] .bo-confirm.is-spotlight .bo-confirm__beam {
  animation: bo-confirm-spot var(--dur-spot) var(--ease-spot) 1;
}
@keyframes bo-print    { from { transform: translateY(-10px) rotate(-2deg); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes bo-validate { to   { transform: translateY(6px); opacity: .55; } }
@keyframes bo-swap     { from { opacity: 0; } to { opacity: 1; } }
@keyframes bo-shake    { 0%,100% { transform: none; } 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }
@keyframes bo-confirm-spot {
  0%   { opacity: 0; transform: translateX(0); }
  35%  { opacity: 1; }
  100% { opacity: 0; transform: translateX(110%); }
}
@media (min-width: 768px) { [data-design="b"] .bo-funnel { max-width: 720px; } }
@media (max-width: 390px) { [data-design="b"] .bo-ticket__q { margin-left: 8px; } }
@media (max-width: 320px) { [data-design="b"] .bo-ticket  { padding: var(--space-stub); } }
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .bo-ticket.is-print,
  [data-design="b"] .bo-ticket.is-validated,
  [data-design="b"] .bo-ticket.is-shake { animation: none; }
  [data-design="b"] .bo-confirm.is-spotlight .bo-confirm__beam { animation: none; }
}

/* ================================================================
   E4 — AMBIENT B — The Spotlight (About / trust section)
   ================================================================ */
[data-design="b"] .bo-spot {
  position: relative; overflow: hidden; background: var(--theater);
  color: var(--marquee); padding: var(--space-aisle) 0;
}
[data-design="b"] .bo-spot__beam {
  position: absolute; top: 0; bottom: 0; left: 0; width: 60%;
  pointer-events: none;
  background: radial-gradient(60% 80% at 50% 50%, rgba(232,74,138,.20), transparent 72%);
  transform: translateX(-40%);
  animation: bo-spot-track 16s var(--ease-spot) infinite;
}
[data-design="b"] .bo-spot[data-paused="1"] .bo-spot__beam { animation-play-state: paused; }
[data-design="b"] .bo-spot__inner {
  position: relative; z-index: 1; max-width: 760px;
  margin: 0 auto; padding: 0 clamp(16px, 5vw, var(--space-rope));
}
[data-design="b"] .bo-spot__title {
  font-family: var(--font-data); text-transform: uppercase; letter-spacing: .14em;
  font-size: 13px; color: var(--bulb-amber); margin: 0 0 var(--space-row);
}
[data-design="b"] .bo-spot__quote {
  font-family: var(--font-stub); font-size: clamp(20px, 3.8vw, 32px);
  line-height: 1.35; margin: 0; text-wrap: pretty; color: var(--marquee);
}
[data-design="b"] .bo-spot__byline {
  font-family: var(--font-data); font-size: 12px; letter-spacing: .08em;
  color: var(--muted); margin: var(--space-stub) 0 0;
}
@keyframes bo-spot-track {
  0%   { transform: translateX(-50%); }
  50%  { transform: translateX(110%); }
  100% { transform: translateX(-50%); }
}
@media (max-width: 320px) { [data-design="b"] .bo-spot { padding: var(--space-rope) 0; } }
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .bo-spot__beam { animation: none; transform: translateX(20%); opacity: .6; }
}

/* ================================================================
   SERVICES SECTION
   ================================================================ */
[data-design="b"] .bo-services {
  background: var(--marquee-deep);
  border-block: 1px solid var(--rule);
  padding: var(--space-aisle) 0;
}
[data-design="b"] .bo-services__inner {
  max-width: 1280px; margin: 0 auto;
  padding: 0 clamp(16px, 5vw, var(--space-rope));
}
[data-design="b"] .bo-services__eyebrow {
  font-family: var(--font-data); text-transform: uppercase; letter-spacing: .14em;
  font-size: 13px; color: var(--velvet); margin: 0 0 var(--space-em);
}
[data-design="b"] .bo-services__title {
  font-family: var(--font-marquee); text-transform: uppercase;
  font-size: clamp(28px, 5vw, 48px); line-height: 1.05;
  color: var(--theater); margin: 0 0 var(--space-rope);
}
[data-design="b"] .bo-services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: var(--space-row);
  margin-bottom: var(--space-rope);
}
[data-design="b"] .bo-svc-card {
  background: var(--marquee); border: 1px solid var(--brass);
  border-radius: var(--radius-perf); padding: var(--space-row);
  box-shadow: var(--shadow-ticket); position: relative;
}
[data-design="b"] .bo-svc-card__dot {
  display: block; width: 8px; height: 8px; border-radius: var(--radius-bulb);
  background: var(--bulb-amber); margin-bottom: var(--space-em);
  box-shadow: 0 0 6px var(--bulb-amber);
}
[data-design="b"] .bo-svc-card__name {
  font-family: var(--font-display); font-size: 17px; font-weight: 700;
  color: var(--theater); margin: 0 0 var(--space-em); text-transform: uppercase;
  letter-spacing: .04em;
}
[data-design="b"] .bo-svc-card__desc {
  font-family: var(--font-body); font-size: 15px; line-height: 1.6;
  color: var(--theater-soft); margin: 0; max-width: 34ch;
}
[data-design="b"] .bo-services__cta {
  display: inline-flex; align-items: center;
  font-family: var(--font-display); text-transform: uppercase;
  letter-spacing: .06em; font-size: 16px; font-weight: 700;
  color: var(--theater); background: var(--bulb-amber);
  border-radius: var(--radius-perf); padding: 14px 28px;
  text-decoration: none; min-height: 44px;
  box-shadow: var(--shadow-marquee);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .bo-services__cta:hover { box-shadow: 0 0 28px rgba(229,169,56,.32); }
}

/* ================================================================
   SERVICE AREA SECTION
   ================================================================ */
[data-design="b"] .bo-area {
  padding: var(--space-aisle) 0;
  background: var(--marquee);
}
[data-design="b"] .bo-area__inner {
  max-width: 1280px; margin: 0 auto;
  padding: 0 clamp(16px, 5vw, var(--space-rope));
}
[data-design="b"] .bo-area__eyebrow {
  font-family: var(--font-data); text-transform: uppercase; letter-spacing: .14em;
  font-size: 13px; color: var(--velvet); margin: 0 0 var(--space-em);
}
[data-design="b"] .bo-area__title {
  font-family: var(--font-marquee); text-transform: uppercase;
  font-size: clamp(26px, 4.5vw, 42px); color: var(--theater);
  margin: 0 0 var(--space-row);
}
[data-design="b"] .bo-area__list {
  list-style: none; padding: 0; margin: 0 0 var(--space-row);
  display: flex; flex-wrap: wrap; gap: var(--space-em) var(--space-row);
}
[data-design="b"] .bo-area__list li {
  font-family: var(--font-body); font-size: 17px; color: var(--theater-soft);
  line-height: 1.6;
  display: flex; align-items: center; gap: 8px;
}
[data-design="b"] .bo-area__list li::before {
  content: ""; display: block; width: 8px; height: 8px;
  border-radius: var(--radius-bulb); background: var(--bulb-amber);
  box-shadow: 0 0 4px var(--bulb-amber); flex-shrink: 0;
}
[data-design="b"] .bo-area__cta {
  display: inline-flex; align-items: center;
  font-family: var(--font-display); text-transform: uppercase;
  letter-spacing: .06em; font-size: 16px; font-weight: 700;
  color: var(--theater); background: var(--bulb-amber);
  border-radius: var(--radius-perf); padding: 14px 28px;
  text-decoration: none; min-height: 44px;
  box-shadow: var(--shadow-marquee);
}

/* ================================================================
   FOOTER — House Imprint
   ================================================================ */
[data-design="b"] .bo-footer {
  background: var(--theater);
  border-top: 1px solid var(--rule);
  padding-top: 12px;
}
[data-design="b"] .bo-footer__bulbs {
  display: flex; justify-content: space-between; gap: 4px;
  padding: 0 clamp(12px, 4vw, var(--space-rope));
  height: 8px; overflow: hidden;
}
[data-design="b"] .bo-footer__bulb {
  flex: 0 0 7px; width: 7px; height: 7px; border-radius: var(--radius-bulb);
  background: var(--bulb-amber); opacity: .2;
}
[data-design="b"] .bo-footer__inner {
  max-width: 1280px; margin: 0 auto;
  padding: var(--space-row) clamp(16px, 5vw, var(--space-rope)) var(--space-rope);
  display: flex; flex-direction: column; gap: var(--space-em);
}
[data-design="b"] .bo-footer__name {
  font-family: var(--font-marquee); text-transform: uppercase;
  font-size: clamp(20px, 3.5vw, 30px); color: var(--marquee);
  letter-spacing: .04em; margin: 0;
}
[data-design="b"] .bo-footer__meta {
  font-family: var(--font-data); font-size: 13px; letter-spacing: .06em;
  color: var(--muted); margin: 0;
}
[data-design="b"] .bo-footer__phone {
  font-family: var(--font-stub); font-size: clamp(20px, 3.5vw, 28px);
  color: var(--bulb-amber); text-decoration: none; letter-spacing: .04em;
  display: inline-block; min-height: 44px; line-height: 44px;
}
[data-design="b"] .bo-footer__copy {
  font-family: var(--font-data); font-size: 12px; color: var(--muted);
  margin: var(--space-stub) 0 0; opacity: .7;
}

/* ================================================================
   SCROLL-DRIVEN PARALLAX — TRIAD-2 (genuine scroll-linked motion)
   Hero pipe canvas drifts at different rate from scroll, creating
   depth separation between text and backdrop (parallax effect).
   Pointer drip speed responds to scroll velocity.
   ================================================================ */
[data-design="b"] .bo-hero__pipe-canvas {
  will-change: transform;
  /* JS sets --scroll-ratio inline; CSS applies the parallax shift */
  transform: translateY(calc(var(--pipe-parallax, 0px)));
  transition: transform 0ms linear; /* immediate, driven each frame */
}

/* ================================================================
   SCROLL REVEAL — service cards (transform-only, no layout props)
   ================================================================ */
[data-design="b"] .bo-svc-card {
  transform: translateY(18px);
  opacity: 0;
  transition: transform 0.28s var(--ease-spot), opacity 0.28s ease-out;
}
[data-design="b"] .bo-svc-card.is-revealed {
  transform: translateY(0);
  opacity: 1;
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .bo-svc-card { transform: none; opacity: 1; transition: none; }
}

/* ================================================================
   GLOBAL LAYOUT GUARD (bottom of file — scoped, never bare)
   ================================================================ */
[data-design="b"].dq-design { overflow-x: clip; }
[data-design="b"].dq-design *,
[data-design="b"] .bo-header,
[data-design="b"] .bo-marquee,
[data-design="b"] .bo-services,
[data-design="b"] .bo-spot,
[data-design="b"] .bo-area,
[data-design="b"] .bo-funnel,
[data-design="b"] .bo-pointer,
[data-design="b"] .bo-footer { max-width: 100%; }

@media (max-width: 390px) {
  [data-design="b"] .bo-services__grid { grid-template-columns: 1fr; }
  [data-design="b"] .bo-funnel { padding-inline: 16px; }
  [data-design="b"] .bo-spot__quote { font-size: 18px; }
}
@media (max-width: 320px) {
  [data-design="b"] .bo-services__inner,
  [data-design="b"] .bo-area__inner  { padding-inline: 16px; }
  [data-design="b"] .bo-footer__inner { padding-inline: 16px; }
}

/* 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; }