/* =============================================================
   BEO Heating & Cooling — Design B
   Plumb & Square design system, scoped [data-design="b"].dq-design
   All design selectors scoped to [data-design="b"].dq-design
   Palette: deep cool teal/blue → warm amber thermal spine
   ~1000 lines
   ============================================================= */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@700;800;900&family=Manrope:wght@400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap');

/* ── Design-B token block ── */
[data-design="b"] {
  /* Thermal spine (HVAC — cool teal → warm amber) */
  --thermal-temp:       0;       /* 0 = coldest, 1 = warmest — driven by scroll */
  --thermal-cool:       #0d3d4f; /* deep cool teal */
  --thermal-mid:        #1a5c6b;
  --thermal-warm:       #b85e00; /* deep amber warm */
  --thermal-accent-cool:#2ab8c8;
  --thermal-accent-warm:#f07d1a;
  --thermal-bg:         color-mix(in oklab, #0d3d4f calc(var(--thermal-temp)*100%), #b85e00);
  --thermal-accent:     color-mix(in oklab, #2ab8c8 calc((1 - var(--thermal-temp))*100%), #f07d1a);

  /* Plumb & Square base tokens — full palette */
  --ps-concrete-50:     #eeede8;
  --ps-concrete-100:    #dedcd4;
  --ps-concrete-200:    #c8c5b9;
  --ps-rebar-900:       #171614;
  --ps-rebar-700:       #2d2b27;
  --ps-rebar-500:       #5b574e;
  --ps-hivis-500:       #f56600;
  --ps-hivis-700:       #c44e00;
  --ps-caution-500:     #f4c200;
  --ps-plumb-700:       #1d3b6e;
  --ps-stop-700:        #a8211a;
  --ps-ok-700:          #2d6840;

  /* Design-B primary exposed */
  --design-b-primary:   var(--thermal-accent-cool);

  /* Typography */
  --ps-font-display:    "Big Shoulders Display", "Anton", "Oswald", "Arial Narrow", sans-serif;
  --ps-font-body:       "Manrope", "Public Sans", system-ui, -apple-system, sans-serif;
  --ps-font-mono:       "JetBrains Mono", "DM Mono", ui-monospace, monospace;

  /* Spacing */
  --ps-tick:    4px;
  --ps-stud:    8px;
  --ps-plate:   12px;
  --ps-course:  24px;
  --ps-bay:     40px;
  --ps-pour:    64px;
  --ps-deck:    96px;
  --ps-storey:  128px;
  --ps-grade:   192px;

  /* Motion */
  --ps-ease-lock:    cubic-bezier(0.5, 0, 0, 1);
  --ps-ease-set:     cubic-bezier(0.65, 0, 0.35, 1);
  --ps-ease-pour:    cubic-bezier(0.4, 0, 0.2, 1);
  --ps-ease-stamp:   cubic-bezier(0.15, 1.5, 0.3, 1);
  --ps-ease-cure:    cubic-bezier(0.45, 0, 0.55, 1);
  --ps-dur-fb:       120ms;
  --ps-dur-lock:     240ms;
  --ps-dur-press:    420ms;
  --ps-dur-pour:     900ms;
  --ps-dur-tick:     1800ms;
  --ps-dur-breath-fast: 4s;
  --ps-dur-breath-mid:  12s;
  --ps-dur-stripe:      22s;

  /* Radius — almost none */
  --ps-radius-0:    0;
  --ps-radius-1:    2px;
  --ps-radius-pill: 999px;

  /* Shadow */
  --ps-shadow-form-inset:  inset 0 -3px 0 0 var(--ps-rebar-900);
  --ps-shadow-press:       inset 0 3px 0 0 var(--ps-hivis-700);
  --ps-shadow-pour-card:   0 0 0 2px var(--ps-rebar-900);

  /* Airflow particle color — driven by thermal-temp */
  --airflow-tint: color-mix(in oklab, #2ab8c8 calc((1 - var(--thermal-temp))*100%), #f07d1a);
}

/* ── Base reset within scope ── */
[data-design="b"].dq-design *, [data-design="b"].dq-design *::before, [data-design="b"].dq-design *::after {
  box-sizing: border-box;
}
[data-design="b"] {
  font-family: var(--ps-font-body);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ps-rebar-900);
  background: var(--ps-concrete-50);
}

/* =============================================================
   E1 — HEADER  (marquee bar, thermal toned)
   ============================================================= */
[data-design="b"] .ps-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--ps-rebar-900);
  border-bottom: 3px solid var(--thermal-accent-cool);
}
[data-design="b"] .ps-header__stripe {
  height: 10px;
  background: repeating-linear-gradient(
    45deg,
    var(--thermal-accent-cool) 0 16px,
    var(--ps-rebar-900) 16px 32px
  );
  background-size: 46px 10px;
  animation: b-stripe-march var(--ps-dur-stripe) linear infinite;
  opacity: 0.72;
}
@keyframes b-stripe-march {
  from { background-position: 0 0; }
  to   { background-position: 460px 0; }
}
[data-design="b"] .ps-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--ps-plate) clamp(var(--ps-course), 4vw, var(--ps-bay));
  min-height: 68px;
}
[data-design="b"] .ps-logo {
  font-family: var(--ps-font-display);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--thermal-accent-cool);
  text-decoration: none;
  line-height: 0.92;
}
[data-design="b"] .ps-hamburger {
  width: 52px;
  height: 44px;
  background: transparent;
  border: 2px solid var(--thermal-accent-cool);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  transition: background var(--ps-dur-fb) var(--ps-ease-lock),
              border-color var(--ps-dur-fb) var(--ps-ease-lock);
}
[data-design="b"] .ps-hamburger__rule {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--thermal-accent-cool);
  transition: background var(--ps-dur-fb) var(--ps-ease-lock);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .ps-hamburger:hover {
    background: var(--thermal-accent-cool);
    border-color: var(--thermal-accent-cool);
  }
  [data-design="b"] .ps-hamburger:hover .ps-hamburger__rule {
    background: var(--ps-rebar-900);
  }
}

/* Drawer */
[data-design="b"] .ps-drawer {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(440px, 92vw);
  background: var(--ps-rebar-900);
  color: var(--ps-concrete-50);
  padding: var(--ps-bay);
  transform: translateX(100%);
  transition: transform var(--ps-dur-pour) var(--ps-ease-pour);
  z-index: 100;
  border-left: 5px solid var(--thermal-accent-cool);
  overflow-y: auto;
}
[data-design="b"] .ps-drawer[data-open="true"] {
  transform: translateX(0);
}
[data-design="b"] .ps-drawer__close {
  position: absolute;
  top: var(--ps-course);
  right: var(--ps-course);
  background: transparent;
  border: 2px solid var(--thermal-accent-cool);
  color: var(--thermal-accent-cool);
  font-size: 18px;
  width: 44px;
  height: 44px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
[data-design="b"] .ps-drawer__nav {
  display: flex;
  flex-direction: column;
  gap: var(--ps-plate);
  margin-top: var(--ps-pour);
}
[data-design="b"] .ps-drawer__nav a {
  font-family: var(--ps-font-display);
  font-weight: 800;
  font-size: clamp(28px, 4vw, 36px);
  letter-spacing: 0.01em;
  color: var(--ps-concrete-50);
  text-decoration: none;
  text-transform: uppercase;
  padding: var(--ps-stud) var(--ps-plate);
  display: block;
  position: relative;
  /* padding-left→translateX: GPU-composited slide; identical 12px indent look */
  transition: color var(--ps-dur-fb) var(--ps-ease-lock),
              background var(--ps-dur-fb) var(--ps-ease-lock),
              transform var(--ps-dur-fb) var(--ps-ease-lock);
}
[data-design="b"] .ps-drawer__nav a::before {
  content: attr(data-num);
  font-family: var(--ps-font-mono);
  font-size: 12px;
  color: var(--thermal-accent-cool);
  padding-right: var(--ps-plate);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .ps-drawer__nav a:hover {
    background: var(--thermal-accent-cool);
    color: var(--ps-rebar-900);
    transform: translateX(12px);
  }
}
[data-design="b"] .ps-drawer__actions {
  margin-top: var(--ps-pour);
  display: flex;
  flex-direction: column;
  gap: var(--ps-course);
}
[data-design="b"] .ps-drawer__phone {
  display: flex;
  flex-direction: column;
  gap: var(--ps-stud);
  text-decoration: none;
  border-top: 2px solid var(--thermal-accent-cool);
  padding-top: var(--ps-course);
}
[data-design="b"] .ps-drawer__phone-label {
  font-family: var(--ps-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--thermal-accent-cool);
  text-transform: uppercase;
}
[data-design="b"] .ps-drawer__phone-num {
  font-family: var(--ps-font-display);
  font-weight: 800;
  font-size: 28px;
  color: var(--ps-concrete-50);
  letter-spacing: 0.02em;
}
[data-design="b"] .ps-drawer__meta {
  position: absolute;
  bottom: var(--ps-course);
  left: var(--ps-bay);
  font-family: var(--ps-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--thermal-accent-cool);
  opacity: 0.6;
}
[data-design="b"] .ps-drawer__backdrop {
  position: fixed;
  inset: 0;
  background: rgba(23,22,20,0.55);
  z-index: 99;
}
[data-design="b"] .ps-drawer__backdrop[hidden] {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .ps-header__stripe { animation: none; }
  [data-design="b"] .ps-drawer { transition: none; }
}

/* =============================================================
   E3 + E5 — HERO  (thermal backdrop + airflow signature)
   ============================================================= */
[data-design="b"] .ps-hero {
  position: relative;
  min-height: 72vh;
  padding: var(--ps-grade) clamp(var(--ps-course), 5vw, var(--ps-bay)) var(--ps-storey);
  background: var(--ps-rebar-900);
  overflow: hidden;
  isolation: isolate;
  display: flex;
  align-items: flex-start;
}

/* E3 — Thermal animated backdrop (ONE animated layer) */
[data-design="b"] .ps-hero__thermal-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
[data-design="b"] .ps-thermal-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.82;
}

/* E5 — Airflow SVG layer (ambient, above bg, below text) */
[data-design="b"] .ps-airflow {
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}
[data-design="b"] .ps-airflow__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* Duct geometry — thermal-tinted stroke */
[data-design="b"] .ps-duct {
  stroke: var(--airflow-tint);
  opacity: 0.28;
}
[data-design="b"] .ps-vent {
  stroke: var(--airflow-tint);
  opacity: 0.22;
}

/* Air-stream particles */
[data-design="b"] .ps-particle {
  fill: var(--airflow-tint);
  opacity: 0.55;
}

/* Stream A — top duct, left→right, staggered */
[data-design="b"] .ps-particle--a1 {
  animation: b-stream-lr 7s var(--ps-ease-pour) 0s infinite;
}
[data-design="b"] .ps-particle--a2 {
  animation: b-stream-lr 7s var(--ps-ease-pour) 2.3s infinite;
}
[data-design="b"] .ps-particle--a3 {
  animation: b-stream-lr 7s var(--ps-ease-pour) 4.6s infinite;
}
@keyframes b-stream-lr {
  0%   { transform: translateX(0);    opacity: 0; }
  5%   { opacity: 0.55; }
  95%  { opacity: 0.55; }
  100% { transform: translateX(900px); opacity: 0; }
}

/* Stream B — bottom duct, right→left */
[data-design="b"] .ps-particle--b1 {
  animation: b-stream-rl 9s var(--ps-ease-pour) 0s infinite;
}
[data-design="b"] .ps-particle--b2 {
  animation: b-stream-rl 9s var(--ps-ease-pour) 3s infinite;
}
[data-design="b"] .ps-particle--b3 {
  animation: b-stream-rl 9s var(--ps-ease-pour) 6s infinite;
}
@keyframes b-stream-rl {
  0%   { transform: translateX(0);     opacity: 0; }
  5%   { opacity: 0.55; }
  95%  { opacity: 0.55; }
  100% { transform: translateX(-900px); opacity: 0; }
}

/* Stream C — vertical riser, bottom→top */
[data-design="b"] .ps-particle--c1 {
  animation: b-stream-up 5s var(--ps-ease-pour) 1s infinite;
}
[data-design="b"] .ps-particle--c2 {
  animation: b-stream-up 5s var(--ps-ease-pour) 3.5s infinite;
}
@keyframes b-stream-up {
  0%   { transform: translateY(0);     opacity: 0; }
  5%   { opacity: 0.55; }
  95%  { opacity: 0.55; }
  100% { transform: translateY(-230px); opacity: 0; }
}

/* Funnel duct stream D */
[data-design="b"] .ps-particle--d1 {
  animation: b-stream-lr 6s var(--ps-ease-pour) 0s infinite;
}
[data-design="b"] .ps-particle--d2 {
  animation: b-stream-lr 6s var(--ps-ease-pour) 2s infinite;
}
[data-design="b"] .ps-particle--d3 {
  animation: b-stream-lr 6s var(--ps-ease-pour) 4s infinite;
}

/* Services duct stream E */
[data-design="b"] .ps-particle--e1 {
  animation: b-stream-lr 8s var(--ps-ease-pour) 0.5s infinite;
}
[data-design="b"] .ps-particle--e2 {
  animation: b-stream-lr 8s var(--ps-ease-pour) 4s infinite;
}

/* Hero text — opacity:1 at first paint, z-index above airflow */
[data-design="b"] .ps-hero__bay {
  position: relative;
  z-index: 2;
  max-width: 26ch;
}
[data-design="b"] .ps-hero__title {
  font-family: var(--ps-font-display);
  font-weight: 900;
  font-size: clamp(36px, 5.5vw, 72px);
  line-height: 0.95;
  letter-spacing: -0.005em;
  text-transform: uppercase;
  color: var(--ps-concrete-50);
  margin: 0 0 var(--ps-course);
  /* opacity:1 at first paint — never reveal-gated */
  opacity: 1;
}
[data-design="b"] .ps-hero__sub {
  font-family: var(--ps-font-body);
  font-weight: 500;
  font-size: clamp(16px, 1.6vw, 20px);
  line-height: 1.5;
  color: var(--ps-concrete-100);
  margin: 0 0 var(--ps-plate);
  max-width: 52ch;
  /* opacity:1 at first paint */
  opacity: 1;
}
[data-design="b"] .ps-hero__proof {
  font-family: var(--ps-font-mono);
  font-size: clamp(12px, 1.1vw, 14px);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--thermal-accent-cool);
  margin: 0 0 var(--ps-bay);
  /* opacity:1 at first paint */
  opacity: 1;
}
[data-design="b"] .ps-hero__cta-row {
  display: flex;
  gap: var(--ps-course);
  flex-wrap: wrap;
}

/* =============================================================
   E2 — CTA  ("Pour" button)
   ============================================================= */
[data-design="b"] .ps-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--ps-plate);
  padding: 18px 28px;
  min-height: 60px;
  background: var(--ps-hivis-500);
  color: var(--ps-rebar-900);
  font-family: var(--ps-font-display);
  font-weight: 800;
  font-size: clamp(17px, 1.8vw, 22px);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 0;
  border-radius: 0 0 var(--ps-radius-1) var(--ps-radius-1);
  box-shadow: var(--ps-shadow-form-inset);
  transition: transform var(--ps-dur-lock) var(--ps-ease-lock),
              box-shadow var(--ps-dur-lock) var(--ps-ease-lock),
              background var(--ps-dur-lock) var(--ps-ease-lock);
  cursor: pointer;
  overflow: hidden;
  white-space: nowrap;
}
[data-design="b"] .ps-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg,
    transparent 0%,
    rgba(255,255,255,0.18) 35%,
    rgba(255,255,255,0.18) 50%,
    transparent 65%);
  background-size: 240% 100%;
  animation: b-cta-cure var(--ps-dur-breath-fast) var(--ps-ease-cure) infinite;
  pointer-events: none;
}
[data-design="b"] .ps-cta__arrow {
  font-size: 22px;
  line-height: 1;
  transform: translateY(-1px);
}
[data-design="b"] .ps-cta__num {
  position: absolute;
  right: 8px;
  bottom: 4px;
  font-family: var(--ps-font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  opacity: 0.6;
  font-weight: 400;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .ps-cta:hover {
    box-shadow: inset 0 -5px 0 0 var(--ps-rebar-900);
    transform: translateY(-1px);
  }
}
[data-design="b"] .ps-cta:active {
  transform: translateY(3px);
  box-shadow: var(--ps-shadow-press);
  background: var(--ps-hivis-700);
}
[data-design="b"] .ps-cta:focus-visible {
  outline: 3px solid var(--ps-caution-500);
  outline-offset: 4px;
}
[data-design="b"] .ps-cta--secondary {
  background: transparent;
  color: var(--ps-concrete-50);
  border: 2px solid var(--thermal-accent-cool);
  box-shadow: none;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .ps-cta--secondary:hover {
    background: var(--thermal-accent-cool);
    color: var(--ps-rebar-900);
    box-shadow: none;
    transform: translateY(-1px);
  }
}
[data-design="b"] .ps-cta--urgent {
  background: var(--thermal-accent-warm);
  color: var(--ps-rebar-900);
}
@keyframes b-cta-cure {
  0%   { background-position: 240% 0; }
  100% { background-position: -40% 0; }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .ps-cta::before { animation: none; }
}

/* =============================================================
   E6 — POINTER  (thermal-flow isotherm descent)
   NOT a button — wayfinding visual only
   Must remain opacity:1 / visible at all breakpoints
   ============================================================= */
[data-design="b"] .ps-pointer {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ps-stud);
  padding: var(--ps-bay) var(--ps-plate) var(--ps-course);
  background: var(--ps-rebar-900);
  cursor: default;
  /* Always visible — never opacity:0 */
  opacity: 1;
  min-height: 80px;
}
[data-design="b"] .ps-pointer__isotherm {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ps-stud);
}
[data-design="b"] .ps-pointer__iso-line {
  display: block;
  height: 3px;
  border-radius: 0;
  transform-origin: left;

}
[data-design="b"] .ps-pointer__iso-line--1 {
  width: 120px;
  background: var(--thermal-accent-cool);
  transform: scaleX(0.92);
  animation: b-iso-draw 1.8s var(--ps-ease-set) 0.2s forwards;
  opacity: 0.85;
}
[data-design="b"] .ps-pointer__iso-line--2 {
  width: 80px;
  background: color-mix(in oklab, var(--thermal-accent-cool) 60%, var(--thermal-accent-warm) 40%);
  transform: scaleX(0.92);
  animation: b-iso-draw 1.8s var(--ps-ease-set) 0.55s forwards;
  opacity: 0.72;
}
[data-design="b"] .ps-pointer__iso-line--3 {
  width: 48px;
  background: var(--thermal-accent-warm);
  transform: scaleX(0.92);
  animation: b-iso-draw-warm 5s var(--ps-ease-cure) 0.9s infinite;
  opacity: 0.65;
}
@keyframes b-iso-draw {
  from { transform: scaleX(0.92); }
  to   { transform: scaleX(1); }
}
@keyframes b-iso-draw-warm {
  0%   { transform: scaleX(0.92); opacity: 0.65; }
  40%  { transform: scaleX(1); opacity: 0.9; }
  70%  { transform: scaleX(1); opacity: 0.65; }
  100% { transform: scaleX(0.92); opacity: 0.65; }
}
[data-design="b"] .ps-pointer__chev {
  color: var(--thermal-accent-warm);
  font-size: 16px;
  line-height: 1;
  /* visible immediately */
  opacity: 1;
  animation: b-pointer-chev-pulse 4s var(--ps-ease-cure) infinite;
}
@keyframes b-pointer-chev-pulse {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(4px); }
}
[data-design="b"] .ps-pointer__label {
  font-family: var(--ps-font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ps-rebar-500);
  /* visible immediately */
  opacity: 1;
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .ps-pointer__iso-line { animation: none; transform: scaleX(1); }
  [data-design="b"] .ps-pointer__chev { animation: none; }
}

/* =============================================================
   E5 — FUNNEL  (tap-qualify, HVAC 3-step + contact)
   ============================================================= */
[data-design="b"] .ps-funnel {
  position: relative;
  padding: var(--ps-storey) clamp(var(--ps-course), 5vw, var(--ps-bay));
  background: var(--ps-concrete-50);
  overflow: hidden;
}
[data-design="b"] .ps-airflow--funnel {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  z-index: 0;
}
[data-design="b"] .ps-funnel__head {
  position: relative;
  z-index: 1;
  margin-bottom: var(--ps-bay);
}
[data-design="b"] .ps-funnel__kicker {
  font-family: var(--ps-font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ps-rebar-500);
  margin: 0 0 var(--ps-stud);
  padding-bottom: var(--ps-stud);
  border-bottom: 2px solid var(--ps-rebar-900);
  display: inline-block;
}
[data-design="b"] .ps-funnel__title {
  font-family: var(--ps-font-display);
  font-weight: 800;
  font-size: clamp(32px, 5vw, 64px);
  line-height: 0.95;
  letter-spacing: -0.005em;
  text-transform: uppercase;
  color: var(--ps-rebar-900);
  margin: 0;
  max-width: 22ch;
}

/* Ledger */
[data-design="b"] .ps-funnel__ledger {
  position: relative;
  z-index: 1;
  background: var(--ps-rebar-900);
  color: var(--ps-concrete-50);
  padding: var(--ps-course) var(--ps-bay);
  margin-bottom: var(--ps-course);
}
[data-design="b"] .ps-funnel__ledger-id {
  font-family: var(--ps-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--thermal-accent-cool);
  text-transform: uppercase;
}
[data-design="b"] .ps-funnel__ledger-list {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: var(--ps-stud) var(--ps-course);
  margin: var(--ps-plate) 0 0;
  min-height: 24px;
  font-family: var(--ps-font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
}
[data-design="b"] .ps-funnel__ledger-list:empty::before {
  content: "(awaiting first answer)";
  color: var(--ps-rebar-500);
  font-family: var(--ps-font-body);
  font-style: italic;
  grid-column: 1 / -1;
}
[data-design="b"] .ps-funnel__ledger-list dt {
  text-transform: uppercase;
  color: var(--thermal-accent-cool);
  margin: 0;
}
[data-design="b"] .ps-funnel__ledger-list dd {
  margin: 0;
  color: var(--ps-concrete-50);
  font-weight: 600;
}
[data-design="b"] .ps-funnel__ledger-list dd[data-fresh="true"] {
  animation: b-ledger-set var(--ps-dur-press) var(--ps-ease-stamp);
}
@keyframes b-ledger-set {
  0%   { transform: translateY(-8px); opacity: 0; color: var(--thermal-accent-cool); }
  60%  { transform: translateY(2px);  opacity: 1; color: var(--thermal-accent-cool); }
  100% { transform: translateY(0);    opacity: 1; color: var(--ps-concrete-50); }
}

/* Form area */
[data-design="b"] .ps-funnel__forms {
  position: relative;
  z-index: 1;
  background: var(--ps-concrete-50);
  border: 3px solid var(--ps-rebar-900);
  padding: var(--ps-bay);
  min-height: 320px;
  overflow: hidden;
}
[data-design="b"] .ps-funnel__step {
  border: 0;
  padding: 0;
  margin: 0;
  display: none;
}
[data-design="b"] .ps-funnel__step[data-active="true"] {
  display: block;
  animation: b-step-pour var(--ps-dur-pour) var(--ps-ease-pour) forwards;
}
@keyframes b-step-pour {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}
[data-design="b"] .ps-funnel__step-id {
  font-family: var(--ps-font-mono);
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--ps-rebar-500);
  text-transform: uppercase;
  margin-bottom: var(--ps-course);
  padding: 0;
}
[data-design="b"] .ps-funnel__choices {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--ps-plate);
}
[data-design="b"] .ps-funnel__choice {
  font-family: var(--ps-font-display);
  font-weight: 700;
  font-size: clamp(18px, 2vw, 22px);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  background: var(--ps-concrete-50);
  color: var(--ps-rebar-900);
  border: 3px solid var(--ps-rebar-900);
  padding: 20px 22px;
  text-align: left;
  cursor: pointer;
  min-height: 72px;
  transition: background var(--ps-dur-fb) var(--ps-ease-lock),
              color var(--ps-dur-fb) var(--ps-ease-lock),
              transform var(--ps-dur-fb) var(--ps-ease-lock);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .ps-funnel__choice:hover {
    background: var(--thermal-accent-cool);
    color: var(--ps-rebar-900);
  }
}
[data-design="b"] .ps-funnel__choice:active {
  transform: translateY(2px);
  background: var(--thermal-accent-warm);
  color: var(--ps-concrete-50);
}
[data-design="b"] .ps-funnel__choice:focus-visible {
  outline: 3px solid var(--ps-caution-500);
  outline-offset: 3px;
}

/* Contact step */
[data-design="b"] .ps-funnel__contact-urgent,
[data-design="b"] .ps-funnel__contact-plan {
  display: flex;
  flex-direction: column;
  gap: var(--ps-course);
}
[data-design="b"] .ps-funnel__contact-urgent[hidden],
[data-design="b"] .ps-funnel__contact-plan[hidden] {
  display: none;
}
[data-design="b"] .ps-funnel__contact-copy {
  font-family: var(--ps-font-body);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ps-rebar-700);
  margin: 0;
}

/* Fields */
[data-design="b"] .ps-field {
  display: flex;
  flex-direction: column;
  gap: var(--ps-stud);
}
[data-design="b"] .ps-field--wide {
  grid-column: 1 / -1;
}
[data-design="b"] .ps-field span {
  font-family: var(--ps-font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--ps-rebar-500);
  text-transform: uppercase;
}
[data-design="b"] .ps-field__input,
[data-design="b"] .ps-field__textarea {
  font-family: var(--ps-font-body);
  font-weight: 500;
  font-size: 17px;
  padding: 12px 8px;
  border: 0;
  border-left: 3px solid var(--ps-rebar-900);
  border-bottom: 3px solid var(--ps-rebar-900);
  background: var(--ps-concrete-50);
  color: var(--ps-rebar-900);
  resize: vertical;
  transition: border-color var(--ps-dur-lock) var(--ps-ease-lock);
}
[data-design="b"] .ps-field__input:focus,
[data-design="b"] .ps-field__textarea:focus {
  outline: none;
  border-left-color: var(--thermal-accent-cool);
  border-bottom-color: var(--thermal-accent-cool);
}

/* Approved state */
[data-design="b"] .ps-funnel__approved {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--ps-course);
}
[data-design="b"] .ps-funnel__approved[hidden] {
  display: none !important;
}
[data-design="b"] .ps-funnel__stamp {
  color: var(--thermal-accent-cool);
  width: 280px;
  margin-bottom: var(--ps-course);
  animation: b-stamp-press var(--ps-dur-press) var(--ps-ease-stamp) both;
}
[data-design="b"] .ps-funnel__stamp svg { width: 100%; height: auto; }
@keyframes b-stamp-press {
  0%   { transform: scale(1.5) rotate(-4deg); opacity: 0; }
  55%  { transform: scale(0.96) rotate(-2deg); opacity: 1; }
  100% { transform: scale(1) rotate(-2deg); opacity: 1; }
}
[data-design="b"] .ps-funnel__approved-title {
  font-family: var(--ps-font-display);
  font-weight: 800;
  font-size: 28px;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin: 0 0 var(--ps-plate);
}
[data-design="b"] .ps-funnel__approved-body {
  font-family: var(--ps-font-body);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ps-rebar-700);
  margin: 0;
  max-width: 44ch;
}
[data-design="b"] .ps-funnel__phone-link {
  color: var(--thermal-accent-cool);
  font-weight: 600;
}

/* Funnel nav footer */
[data-design="b"] .ps-funnel__nav {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: var(--ps-course);
  margin-top: var(--ps-course);
}
[data-design="b"] .ps-funnel__back {
  background: var(--ps-concrete-50);
  border: 2px solid var(--ps-rebar-900);
  padding: 10px 18px;
  font-family: var(--ps-font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  cursor: pointer;
  min-height: 44px;
  transition: background var(--ps-dur-fb) var(--ps-ease-lock);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .ps-funnel__back:hover { background: var(--ps-concrete-200); }
}
[data-design="b"] .ps-funnel__progress {
  flex: 1;
  height: 4px;
  background: var(--ps-concrete-200);
  position: relative;
}
[data-design="b"] .ps-funnel__progress-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 100%;
  transform: scaleX(0.33);
  transform-origin: left;
  background: var(--thermal-accent-cool);
  transition: transform var(--ps-dur-pour) var(--ps-ease-pour);
}
[data-design="b"] .ps-funnel__counter {
  font-family: var(--ps-font-mono);
  font-size: 14px;
  letter-spacing: 0.15em;
  color: var(--ps-rebar-500);
  white-space: nowrap;
}

@media (max-width: 640px) {
  [data-design="b"] .ps-funnel__choices { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .ps-funnel__step,
  [data-design="b"] .ps-funnel__ledger-list dd,
  [data-design="b"] .ps-funnel__stamp { animation: none !important; opacity: 1; transform: none; }
}

/* =============================================================
   E4 — SERVICES  (ambient column stand, thermal accents)
   ============================================================= */
[data-design="b"] .ps-services {
  position: relative;
  padding: var(--ps-storey) clamp(var(--ps-course), 5vw, var(--ps-bay));
  background: var(--ps-concrete-100);
  overflow: hidden;
}
[data-design="b"] .ps-airflow--services {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
}
[data-design="b"] .ps-services__columns {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0 78px,
    rgba(13,61,79,0.07) 78px 82px
  );
  background-size: 320px 100%;
  animation: b-col-drift 22s linear infinite;
  pointer-events: none;
}
@keyframes b-col-drift {
  from { background-position: 0 0; }
  to   { background-position: 320px 0; }
}
[data-design="b"] .ps-services__kicker {
  font-family: var(--ps-font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ps-rebar-500);
  margin: 0 0 var(--ps-stud);
  padding-bottom: var(--ps-stud);
  border-bottom: 2px solid var(--ps-rebar-900);
  display: inline-block;
}
[data-design="b"] .ps-services__title {
  font-family: var(--ps-font-display);
  font-weight: 800;
  font-size: clamp(36px, 6vw, 72px);
  line-height: 0.95;
  letter-spacing: -0.005em;
  text-transform: uppercase;
  margin: 0 0 var(--ps-bay);
  max-width: 18ch;
}
[data-design="b"] .ps-services__list {
  list-style: none;
  padding: 0;
  margin: 0;
}
[data-design="b"] .ps-service-row {
  display: grid;
  grid-template-columns: minmax(60px, 100px) 1fr auto;
  gap: var(--ps-bay);
  padding: var(--ps-course) var(--ps-stud);
  border-top: 3px solid var(--ps-rebar-900);
  background: var(--ps-concrete-50);
  align-items: flex-start;
}
[data-design="b"] .ps-service-row:last-child { border-bottom: 3px solid var(--ps-rebar-900); }
[data-design="b"] .ps-service-row__num {
  font-family: var(--ps-font-display);
  font-weight: 900;
  font-size: clamp(48px, 7vw, 88px);
  line-height: 0.85;
  letter-spacing: -0.02em;
  color: var(--thermal-accent-cool);
}
[data-design="b"] .ps-service-row__body h3 {
  font-family: var(--ps-font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.8vw, 34px);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.005em;
  margin: 0 0 var(--ps-plate);
  color: var(--ps-rebar-900);
}
[data-design="b"] .ps-service-row__body p {
  font-family: var(--ps-font-body);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ps-rebar-700);
  margin: 0;
  max-width: 56ch;
}
[data-design="b"] .ps-service-row__metric {
  align-self: flex-start;
  font-family: var(--ps-font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--ps-rebar-500);
  text-transform: uppercase;
  padding-top: var(--ps-stud);
  white-space: nowrap;
}
@media (max-width: 720px) {
  [data-design="b"] .ps-service-row { grid-template-columns: auto 1fr; gap: var(--ps-course); }
  [data-design="b"] .ps-service-row__metric { grid-column: 1 / -1; }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .ps-services__columns { animation: none; }
}

/* =============================================================
   ABOUT  (Trust section)
   ============================================================= */
[data-design="b"] .ps-about {
  padding: var(--ps-storey) clamp(var(--ps-course), 5vw, var(--ps-bay));
  background: var(--ps-rebar-900);
  color: var(--ps-concrete-50);
}
[data-design="b"] .ps-about__head {
  margin-bottom: var(--ps-bay);
}
[data-design="b"] .ps-about__kicker {
  font-family: var(--ps-font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--thermal-accent-cool);
  margin: 0 0 var(--ps-stud);
  padding-bottom: var(--ps-stud);
  border-bottom: 2px solid var(--thermal-accent-cool);
  display: inline-block;
}
[data-design="b"] .ps-about__title {
  font-family: var(--ps-font-display);
  font-weight: 800;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 0.95;
  letter-spacing: -0.005em;
  text-transform: uppercase;
  margin: 0;
  color: var(--ps-concrete-50);
}
[data-design="b"] .ps-about__inner {
  max-width: 900px;
}
[data-design="b"] .ps-about__body p {
  font-family: var(--ps-font-body);
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.65;
  color: var(--ps-concrete-100);
  margin: 0 0 var(--ps-course);
  max-width: 70ch;
}
[data-design="b"] .ps-about__stats {
  margin: var(--ps-bay) 0 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
[data-design="b"] .ps-about__stat-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--ps-course);
  padding: var(--ps-plate) 0;
  border-top: 1px solid rgba(255,255,255,0.12);
}
[data-design="b"] .ps-about__stat-row:last-child { border-bottom: 1px solid rgba(255,255,255,0.12); }
[data-design="b"] .ps-about__stat-row dt {
  font-family: var(--ps-font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--thermal-accent-cool);
  padding-top: 2px;
}
[data-design="b"] .ps-about__stat-row dd {
  font-family: var(--ps-font-body);
  font-size: 17px;
  color: var(--ps-concrete-50);
  margin: 0;
}
[data-design="b"] .ps-about__stat-row dd a {
  color: var(--thermal-accent-cool);
  text-decoration: none;
  font-weight: 600;
}
@media (max-width: 640px) {
  [data-design="b"] .ps-about__stat-row { grid-template-columns: 1fr; gap: var(--ps-stud); }
}

/* =============================================================
   FOOTER
   ============================================================= */
[data-design="b"] .ps-footer {
  background: var(--ps-rebar-900);
  border-top: 3px solid var(--thermal-accent-cool);
}
[data-design="b"] .ps-footer__stripe {
  height: 8px;
  background: repeating-linear-gradient(
    45deg,
    var(--thermal-accent-cool) 0 12px,
    transparent 12px 24px
  );
  opacity: 0.35;
}
[data-design="b"] .ps-footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--ps-bay);
  padding: var(--ps-pour) clamp(var(--ps-course), 5vw, var(--ps-bay));
}
[data-design="b"] .ps-footer__brand {
  font-family: var(--ps-font-display);
  font-weight: 800;
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--ps-concrete-50);
  margin: 0 0 var(--ps-stud);
}
[data-design="b"] .ps-footer__tagline {
  font-family: var(--ps-font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--thermal-accent-cool);
  margin: 0;
}
[data-design="b"] .ps-footer__label {
  font-family: var(--ps-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--thermal-accent-cool);
  margin: 0 0 var(--ps-stud);
}
[data-design="b"] .ps-footer__phone {
  font-family: var(--ps-font-display);
  font-weight: 800;
  font-size: 24px;
  color: var(--ps-concrete-50);
  text-decoration: none;
  letter-spacing: 0.02em;
  display: block;
  min-height: 44px;
  line-height: 44px;
}
[data-design="b"] .ps-footer__address {
  font-style: normal;
  font-family: var(--ps-font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ps-concrete-100);
}
[data-design="b"] .ps-footer__area {
  font-family: var(--ps-font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ps-concrete-100);
  margin: 0;
}
[data-design="b"] .ps-footer__bottom {
  padding: var(--ps-course) clamp(var(--ps-course), 5vw, var(--ps-bay));
  border-top: 1px solid rgba(255,255,255,0.1);
}
[data-design="b"] .ps-footer__copy {
  font-family: var(--ps-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ps-rebar-500);
  text-transform: uppercase;
}

/* =============================================================
   Airflow animation — prefers-reduced-motion stills (static frame)
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .ps-particle { animation: none; opacity: 0.4; }
  [data-design="b"] .ps-particle--a1 { transform: translateX(450px); }
  [data-design="b"] .ps-particle--b1 { transform: translateX(-450px); }
  [data-design="b"] .ps-particle--c1 { transform: translateY(-115px); }
  [data-design="b"] .ps-particle--d1 { transform: translateX(300px); }
  [data-design="b"] .ps-particle--e1 { transform: translateX(350px); }
  [data-design="b"] .ps-pointer__iso-line { animation: none; transform: scaleX(1); }
  [data-design="b"] .ps-pointer__chev { animation: none; }
}

/* =============================================================
   SCROLL-PARALLAX — TRIAD-2 premium scroll motion
   The hero bay shifts upward 60px as you scroll — scroll-linked,
   not a fade-in. Driven by JS scroll listener (translateY).
   ============================================================= */
/* No extra CSS needed — JS handles the translateY directly */

/* =============================================================
   MOBILE OVERFLOW GUARD — must be at BOTTOM, 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; }