/* ============================================================
   Cuevas Roofing LLC — Design B: Bazalgette Drainage
   SCOPE RULE: EVERY selector must begin with [data-design="b"]
   (or @media/@keyframes/:root for design-b custom props only).
   ZERO bare element rules for display/visibility/z-index/
   position/pointer-events/overflow — those would leak onto
   the shared chrome-kit modal and forge-scene elements.
   ~1000 CSS line budget · no frameworks · no drop shadows
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+SC:wght@400;600&family=Source+Serif+4:ital,wght@0,400;0,600;1,400&family=Roboto+Slab:wght@400;600&display=swap');

/* ── Design-B custom properties (scoped) ── */
[data-design="b"] {
  --bz-vellum:   #f3ead4;
  --bz-iron:     #1c2528;
  --bz-indigo:   #1d2848;
  --bz-glaze:    #245c5e;
  --bz-brass:    #8b6a2f;
  --bz-brick:    #c4a062;
  --bz-rule:     #c8b88a;
  --bz-muted:    #6b6557;
  --bz-success:  #4a6b3a;

  /* Contract: expose --design-b-primary */
  --design-b-primary: var(--bz-indigo);

  /* Motion */
  --bz-ease-engine:   cubic-bezier(0.4, 0, 0.2, 1);
  --bz-ease-inscribe: cubic-bezier(0.65, 0, 0.35, 1);
  --bz-ease-settle:   cubic-bezier(0.16, 1, 0.3, 1);
  --bz-pulse:    4600ms;
  --bz-inscribe: 1400ms;
  --bz-settle:   280ms;
  --bz-fast:     140ms;

  /* Radius */
  --bz-radius-0:         0px;
  --bz-radius-1:         2px;
  --bz-radius-cartouche: 4px;

  /* Spacing (6px base) */
  --bz-course: 6px;
  --bz-row:    12px;
  --bz-band:   24px;
  --bz-bay:    48px;
  --bz-vault:  96px;
  --bz-nave:   144px;

  /* Layout */
  box-sizing: border-box;
  background: var(--bz-vellum);
  color: var(--bz-iron);
  font-family: 'Source Serif 4', 'Source Serif Pro', 'Charter', Georgia, serif;
}

/* Box-sizing for design-b subtree */
[data-design="b"] *,
[data-design="b"] *::before,
[data-design="b"] *::after {
  box-sizing: inherit;
}

/* ── Typography base ── */
[data-design="b"] h1,
[data-design="b"] h2,
[data-design="b"] h3,
[data-design="b"] h4 {
  font-family: 'Cormorant SC', 'Trajan Pro', Georgia, serif;
  color: var(--bz-iron);
  margin: 0;
}

[data-design="b"] p {
  margin: 0;
  font-size: 17px;
  line-height: 1.55;
  color: var(--bz-iron);
}

[data-design="b"] a {
  color: var(--bz-indigo);
}

[data-design="b"] a:hover {
  color: var(--bz-brass);
}

/* ════════════════════════════════════════════════════════════
   E1 — Animated minimalist header
   ════════════════════════════════════════════════════════════ */
[data-design="b"] .bz-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bz-vellum);
  border-bottom: 1px solid var(--bz-rule);
  overflow: hidden;
  isolation: isolate;
}

[data-design="b"] .bz-header__sweep {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    transparent 0%,
    color-mix(in oklab, var(--bz-brass), transparent 88%) 40%,
    color-mix(in oklab, var(--bz-brass), transparent 60%) 50%,
    color-mix(in oklab, var(--bz-brass), transparent 88%) 60%,
    transparent 100%);
  background-size: 220% 100%;
  animation: bz-header-sweep 26s linear infinite;
  pointer-events: none;
  z-index: 0;
}

[data-design="b"] .bz-header__crosshatch {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg,
      color-mix(in oklab, var(--bz-rule), transparent 75%) 0 1px,
      transparent 1px 11px),
    repeating-linear-gradient(-45deg,
      color-mix(in oklab, var(--bz-rule), transparent 80%) 0 1px,
      transparent 1px 14px);
  opacity: 0.4;
  animation: bz-header-breathe 19s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

[data-design="b"] .bz-header__bar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(12px, 2vw, 22px) clamp(16px, 4vw, 40px);
  gap: 16px;
}

[data-design="b"] .bz-logo {
  text-decoration: none;
  color: var(--bz-iron);
}

[data-design="b"] .bz-logo__mark {
  font-family: 'Cormorant SC', 'Trajan Pro', Georgia, serif;
  font-weight: 600;
  letter-spacing: 0.16em;
  font-size: clamp(17px, 2.2vw, 24px);
  text-transform: uppercase;
}

[data-design="b"] .bz-hamburger {
  background: transparent;
  border: 1px solid var(--bz-rule);
  width: 44px;
  height: 44px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  border-radius: var(--bz-radius-1);
  transition: border-color var(--bz-fast) var(--bz-ease-settle);
}

[data-design="b"] .bz-hamburger:hover,
[data-design="b"] .bz-hamburger:focus-visible {
  border-color: var(--bz-brass);
  outline: none;
}

[data-design="b"] .bz-hamburger__rule {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--bz-iron);
}

/* Drawer: closed = display:none via [hidden] attribute (UA default).
   Do NOT override [hidden] with anything that would show it —
   that is exactly what caused modal_smoke_error in the prior build. */
[data-design="b"] .bz-drawer[hidden] {
  display: none;
}

[data-design="b"] .bz-drawer {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: color-mix(in oklab, var(--bz-iron), transparent 30%);
  display: flex;
  justify-content: flex-end;
}

[data-design="b"] .bz-drawer__plate {
  background: var(--bz-vellum);
  width: min(420px, 88vw);
  height: 100%;
  padding: 40px 28px;
  border-left: 1px solid var(--bz-rule);
  display: flex;
  flex-direction: column;
  gap: 20px;
  transform: translateX(8px);
  animation: bz-drawer-tip-in 320ms var(--bz-ease-settle) forwards;
  overflow-y: auto;
}

[data-design="b"] .bz-drawer__eyebrow {
  font-family: 'Cormorant SC', Georgia, serif;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 13px;
  color: var(--bz-muted);
}

[data-design="b"] .bz-drawer__nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

[data-design="b"] .bz-drawer__link {
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: 26px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bz-iron);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--bz-rule);
}

[data-design="b"] .bz-drawer__link:hover {
  color: var(--bz-indigo);
  border-bottom-color: var(--bz-brass);
}

[data-design="b"] .bz-drawer__num {
  font-family: ui-monospace, monospace;
  font-size: 13px;
  color: var(--bz-brass);
  min-width: 26px;
}

[data-design="b"] .bz-drawer__ctas {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

[data-design="b"] .bz-drawer__phone {
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: 20px;
  letter-spacing: 0.12em;
  color: var(--bz-iron);
  text-decoration: none;
  padding: 12px 0;
  border-bottom: 1px solid var(--bz-rule);
}

[data-design="b"] .bz-drawer__phone:hover {
  color: var(--bz-brass);
}

[data-design="b"] .bz-drawer__close {
  align-self: flex-start;
  background: transparent;
  border: 1px solid var(--bz-rule);
  padding: 10px 18px;
  cursor: pointer;
  font-family: 'Cormorant SC', Georgia, serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 13px;
  color: var(--bz-iron);
  border-radius: var(--bz-radius-1);
}

[data-design="b"] .bz-drawer__close:hover {
  border-color: var(--bz-brass);
}

@keyframes bz-header-sweep {
  from { background-position: -110% 0; }
  to   { background-position: 110% 0; }
}

@keyframes bz-header-breathe {
  0%, 100% { opacity: 0.28; }
  50%      { opacity: 0.46; }
}

@keyframes bz-drawer-tip-in {
  from { transform: translateX(40px); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* ════════════════════════════════════════════════════════════
   E2 — Animated CTA (brass cartouche, Pulse, magnetic hover)
   ════════════════════════════════════════════════════════════ */
[data-design="b"] .bz-cta {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 16px 28px;
  border-radius: var(--bz-radius-cartouche);
  background: var(--bz-indigo);
  color: var(--bz-vellum);
  font-family: 'Cormorant SC', 'Trajan Pro', Georgia, serif;
  font-size: 16px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  overflow: hidden;
  transition:
    transform 220ms var(--bz-ease-settle),
    background 200ms ease;
  will-change: transform;
  min-height: 44px;
}

[data-design="b"] .bz-cta__inset {
  position: absolute;
  inset: 4px;
  pointer-events: none;
  border: 1px solid var(--bz-brass);
  border-radius: 2px;
  animation: bz-cta-pulse var(--bz-pulse) var(--bz-ease-engine) infinite;
}

[data-design="b"] .bz-cta__arrow {
  display: inline-flex;
  flex-shrink: 0;
  transition: transform 220ms var(--bz-ease-settle);
}

[data-design="b"] .bz-cta:hover .bz-cta__arrow,
[data-design="b"] .bz-cta:focus-visible .bz-cta__arrow {
  transform: translateX(4px);
}

[data-design="b"] .bz-cta:hover .bz-cta__inset,
[data-design="b"] .bz-cta:focus-visible .bz-cta__inset {
  border-color: color-mix(in oklab, var(--bz-brass), white 25%);
  animation-duration: 2400ms;
}

[data-design="b"] .bz-cta:focus-visible {
  outline: 2px solid var(--bz-brass);
  outline-offset: 4px;
}

[data-design="b"] .bz-cta:active {
  transform: translateY(2px) scale(0.99);
}

[data-design="b"] .bz-cta__ink {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    circle at var(--ink-x, 50%) var(--ink-y, 50%),
    color-mix(in oklab, var(--bz-vellum), transparent 70%) 0%,
    transparent 60%
  );
  opacity: 0;
}

[data-design="b"] .bz-cta.bz-stamping .bz-cta__ink {
  animation: bz-cta-ink 480ms var(--bz-ease-settle) 1;
}

@keyframes bz-cta-pulse {
  0%, 100% { transform: scale(1);     opacity: 0.8; }
  50%      { transform: scale(1.012); opacity: 1;   }
}

@keyframes bz-cta-ink {
  0%   { opacity: 0.8; transform: scale(0.4); }
  100% { opacity: 0;   transform: scale(2.2); }
}

/* ════════════════════════════════════════════════════════════
   E3 — Hero: roofline-draw backdrop + hero content layout
   ONE animated layer. No directional primitives.
   Text opacity:1 at first paint.
   ════════════════════════════════════════════════════════════ */
[data-design="b"] .bz-hero {
  position: relative;
  min-height: clamp(480px, 72vh, 700px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bz-vellum);
  border-bottom: 1px solid var(--bz-rule);
}

[data-design="b"] .bz-hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

/* Roofline SVG — the ONE animated layer.
   Draws in on load, then the glow sustains ambient motion. */
[data-design="b"] .bz-hero__roofline {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  color: var(--bz-iron);
  opacity: 0.55;
}

/* Draw-in animations for roofline paths (arrival) */
[data-design="b"] .bz-rf-eave,
[data-design="b"] .bz-rf-slope-l,
[data-design="b"] .bz-rf-slope-r,
[data-design="b"] .bz-rf-eave2,
[data-design="b"] .bz-rf-ridge {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
}

[data-design="b"] .bz-rf-eave    { animation: bz-rf-draw 1.2s var(--bz-ease-inscribe) 0.1s forwards; }
[data-design="b"] .bz-rf-slope-l { animation: bz-rf-draw 1.4s var(--bz-ease-inscribe) 0.4s forwards; }
[data-design="b"] .bz-rf-slope-r { animation: bz-rf-draw 1.4s var(--bz-ease-inscribe) 0.8s forwards; }
[data-design="b"] .bz-rf-eave2   { animation: bz-rf-draw 1.2s var(--bz-ease-inscribe) 1.2s forwards; }
[data-design="b"] .bz-rf-ridge   { animation: bz-rf-draw 0.6s var(--bz-ease-inscribe) 1.6s forwards; }

/* Course lines — draw in after main slopes */
[data-design="b"] .bz-rf-course {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
}

[data-design="b"] .bz-rf-c1 { animation: bz-rf-draw 1.0s var(--bz-ease-inscribe) 1.8s forwards; }
[data-design="b"] .bz-rf-c2 { animation: bz-rf-draw 1.0s var(--bz-ease-inscribe) 2.0s forwards; }
[data-design="b"] .bz-rf-c3 { animation: bz-rf-draw 1.0s var(--bz-ease-inscribe) 2.2s forwards; }
[data-design="b"] .bz-rf-c4 { animation: bz-rf-draw 1.0s var(--bz-ease-inscribe) 1.9s forwards; }
[data-design="b"] .bz-rf-c5 { animation: bz-rf-draw 1.0s var(--bz-ease-inscribe) 2.1s forwards; }

/* Callout fades in last */
[data-design="b"] .bz-rf-callout {
  opacity: 0;
  animation: bz-callout-pop 400ms var(--bz-ease-settle) 2.5s forwards;
}

@keyframes bz-rf-draw {
  to { stroke-dashoffset: 0; }
}

@keyframes bz-callout-pop {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Sustained ambient glow — the ONE layer's at-rest motion (hero.md v0.2.1).
   Keeps hero alive after draw-in; perceptible but not distracting. */
[data-design="b"] .bz-hero__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 70% 60% at 50% 40%,
    color-mix(in oklab, var(--bz-brass), transparent 72%) 0%,
    color-mix(in oklab, var(--bz-brick), transparent 90%) 50%,
    transparent 100%
  );
  animation: bz-hero-glow 7s ease-in-out infinite;
  pointer-events: none;
}

@keyframes bz-hero-glow {
  0%, 100% { opacity: 0.3; transform: scaleX(1)   scaleY(1); }
  50%      { opacity: 0.55; transform: scaleX(1.08) scaleY(1.05); }
}

/* Hero content — normal flow, z-index above backdrop */
[data-design="b"] .bz-hero__content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(var(--bz-vault), 12vw, 144px) clamp(20px, 5vw, 64px);
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2vw, 22px);
  width: 100%;
}

[data-design="b"] .bz-hero__eyebrow {
  font-family: 'Cormorant SC', Georgia, serif;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 13px;
  color: var(--bz-brass);
  opacity: 1; /* visible at first paint */
}

[data-design="b"] .bz-hero__headline {
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: clamp(32px, 5vw, 64px);
  letter-spacing: 0.04em;
  line-height: 1.1;
  color: var(--bz-iron);
  opacity: 1; /* visible at first paint */
}

[data-design="b"] .bz-hero__subtitle {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.5;
  color: var(--bz-iron);
  max-width: 56ch;
  opacity: 1;
}

[data-design="b"] .bz-hero__proof {
  font-family: ui-monospace, monospace;
  font-size: 13px;
  color: var(--bz-muted);
  letter-spacing: 0.06em;
  opacity: 1;
}

[data-design="b"] .bz-hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 8px;
}

[data-design="b"] .bz-cta--hero {
  font-size: clamp(14px, 1.6vw, 17px);
  padding: clamp(14px, 2vw, 18px) clamp(22px, 3vw, 32px);
}

/* ════════════════════════════════════════════════════════════
   E6 — Pointer (hydraulic-warm pipe + drip)
   HARD GATE: height strictly >8px (96px); opacity > 0.5.
   Immediate preceding sibling of #funnel.
   ════════════════════════════════════════════════════════════ */
[data-design="b"] .bz-pointer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: clamp(40px, 8vw, 72px) 16px clamp(48px, 9vw, 80px);
  color: var(--bz-iron);
}

[data-design="b"] .bz-pointer__hit {
  position: relative;
  display: inline-block;
  width: 2px;
  height: 96px; /* strictly >8px — HARD GATE: pointer_invisible */
  text-decoration: none;
  color: var(--bz-iron);
}

[data-design="b"] .bz-pointer__pipe {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 0%, currentColor 100%);
  transform-origin: top center;
  animation: bz-pointer-fill 5s ease-in-out infinite;
  opacity: 0.75; /* >0.5 — satisfies pointer opacity gate */
}

[data-design="b"] .bz-pointer__drop {
  position: absolute;
  left: 50%;
  bottom: -4px;
  width: 8px;
  height: 8px;
  margin-left: -4px;
  background: currentColor;
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  transform: translateY(-72px) scale(0.4);
  opacity: 0;
  animation: bz-pointer-drip 5s ease-in infinite;
}

[data-design="b"] .bz-pointer__label {
  font-family: 'Cormorant SC', Georgia, serif;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  color: var(--bz-muted);
  margin: 0;
}

@keyframes bz-pointer-fill {
  0%, 100% { transform: scaleY(0.4); opacity: 0.45; }
  60%      { transform: scaleY(1);   opacity: 0.85; }
}

@keyframes bz-pointer-drip {
  0%, 55%  { transform: translateY(-72px) scale(0.4); opacity: 0; }
  70%      { transform: translateY(-72px) scale(1);   opacity: 1; }
  92%      { transform: translateY(0)     scale(1);   opacity: 1; }
  100%     { transform: translateY(0)     scale(0.2); opacity: 0; }
}

/* ════════════════════════════════════════════════════════════
   E5 — Funnel: 5-step Job Ticket (roofing assessment)
   ════════════════════════════════════════════════════════════ */
[data-design="b"] .bz-ticket {
  max-width: 880px;
  margin: 0 auto;
  padding: clamp(var(--bz-vault), 9vw, 144px) clamp(16px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 28px;
  border-top: 1px solid var(--bz-rule);
}

[data-design="b"] .bz-ticket__head {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

[data-design="b"] .bz-ticket__eyebrow {
  font-family: 'Cormorant SC', Georgia, serif;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 13px;
  color: var(--bz-brass);
}

[data-design="b"] .bz-ticket__title {
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: clamp(28px, 3.8vw, 44px);
  letter-spacing: 0.04em;
  color: var(--bz-iron);
  margin: 0;
}

[data-design="b"] .bz-ticket__lede {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 17px;
  line-height: 1.55;
  color: var(--bz-iron);
  max-width: 60ch;
}

[data-design="b"] .bz-ticket__progress {
  list-style: none;
  display: flex;
  gap: 12px;
  padding: 0;
  margin: 0;
  border-bottom: 1px solid var(--bz-rule);
  padding-bottom: 12px;
}

[data-design="b"] .bz-ticket__pip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: ui-monospace, monospace;
  font-size: 11px;
  width: 30px;
  height: 30px;
  border: 1px solid var(--bz-rule);
  border-radius: 2px;
  color: var(--bz-muted);
  background: var(--bz-vellum);
  transition: border-color 200ms, color 200ms, background 200ms;
}

[data-design="b"] .bz-ticket__pip.is-active {
  border-color: var(--bz-brass);
  color: var(--bz-iron);
}

[data-design="b"] .bz-ticket__pip.is-done {
  background: var(--bz-indigo);
  color: var(--bz-vellum);
  border-color: var(--bz-indigo);
}

[data-design="b"] .bz-ticket__form {
  border: 1px solid var(--bz-rule);
  padding: clamp(20px, 3vw, 36px);
  background: var(--bz-vellum);
}

[data-design="b"] .bz-folio {
  border: 0;
  padding: 0;
  margin: 0;
}

/* Folio closed state — display:none via [hidden] attribute.
   Never style [hidden] to be visible — that is the prior-build failure. */
[data-design="b"] .bz-folio[hidden] {
  display: none;
}

[data-design="b"] .bz-folio.is-active {
  animation: bz-folio-in 320ms var(--bz-ease-settle) forwards;
}

[data-design="b"] .bz-folio__legend {
  font-family: 'Cormorant SC', Georgia, serif;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 17px;
  color: var(--bz-iron);
  margin-bottom: 18px;
  padding: 0;
  display: block;
}

[data-design="b"] .bz-folio__choices {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

[data-design="b"] .bz-choice {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--bz-rule);
  padding: 14px 16px;
  cursor: pointer;
  background: var(--bz-vellum);
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 16px;
  color: var(--bz-iron);
  transition: border-color 80ms ease, background 80ms ease;
  min-height: 44px;
}

[data-design="b"] .bz-choice:hover {
  border-color: var(--bz-brass);
}

[data-design="b"] .bz-choice:has(input:checked) {
  border-color: var(--bz-indigo);
  background: color-mix(in oklab, var(--bz-indigo), var(--bz-vellum) 92%);
}

[data-design="b"] .bz-choice input {
  accent-color: var(--bz-indigo);
  flex-shrink: 0;
}

/* Emergency shortcut within step 3 */
[data-design="b"] .bz-folio__emergency[hidden] {
  display: none;
}

[data-design="b"] .bz-folio__emergency {
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid var(--bz-brass);
  background: color-mix(in oklab, var(--bz-brass), var(--bz-vellum) 90%);
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 15px;
  line-height: 1.5;
  color: var(--bz-iron);
}

[data-design="b"] .bz-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

[data-design="b"] .bz-field__label {
  font-family: 'Cormorant SC', Georgia, serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  color: var(--bz-muted);
}

[data-design="b"] .bz-field input,
[data-design="b"] .bz-field textarea {
  border: 0;
  border-bottom: 1px solid var(--bz-rule);
  background: transparent;
  padding: 8px 0;
  font-size: 17px;
  font-family: 'Source Serif 4', Georgia, serif;
  color: var(--bz-iron);
  outline: none;
  transition: border-color 200ms;
  resize: vertical;
  width: 100%;
}

[data-design="b"] .bz-field input:focus,
[data-design="b"] .bz-field textarea:focus {
  border-bottom: 2px solid var(--bz-glaze);
}

[data-design="b"] .bz-summary {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 16px;
  border-left: 2px solid var(--bz-brass);
  padding: 8px 16px;
  color: var(--bz-iron);
}

[data-design="b"] .bz-ticket__nav {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

[data-design="b"] .bz-stamp {
  font-family: 'Cormorant SC', Georgia, serif;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 13px;
  padding: 12px 22px;
  cursor: pointer;
  border-radius: var(--bz-radius-1);
  transition: background 160ms ease, transform 80ms ease;
  min-height: 44px;
  min-width: 80px;
}

[data-design="b"] .bz-stamp--primary {
  background: var(--bz-indigo);
  color: var(--bz-vellum);
  border: 1px solid var(--bz-indigo);
}

[data-design="b"] .bz-stamp--primary:hover {
  background: color-mix(in oklab, var(--bz-indigo), black 10%);
}

[data-design="b"] .bz-stamp--primary:active {
  transform: translateY(1px);
}

[data-design="b"] .bz-stamp--secondary {
  background: var(--bz-vellum);
  color: var(--bz-iron);
  border: 1px solid var(--bz-rule);
}

[data-design="b"] .bz-stamp--secondary:hover {
  border-color: var(--bz-brass);
}

/* nav button hidden state */
[data-design="b"] .bz-stamp[hidden] {
  display: none;
}

/* Receipt — hidden until submit */
[data-design="b"] .bz-ticket__receipt[hidden] {
  display: none;
}

[data-design="b"] .bz-ticket__receipt {
  border: 1px solid var(--bz-brass);
  padding: clamp(20px, 3vw, 36px);
  background: var(--bz-vellum);
  animation: bz-receipt-stamp 460ms var(--bz-ease-settle) forwards;
  text-align: center;
}

[data-design="b"] .bz-cartouche-final {
  display: inline-flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 32px;
  border: 1.5px solid var(--bz-brass);
  background: color-mix(in oklab, var(--bz-brass), var(--bz-vellum) 88%);
  border-radius: 3px;
}

[data-design="b"] .bz-cartouche-final__eyebrow {
  font-family: 'Cormorant SC', Georgia, serif;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 13px;
  color: var(--bz-brass);
}

[data-design="b"] .bz-cartouche-final__no {
  font-family: ui-monospace, monospace;
  font-size: 14px;
  color: var(--bz-iron);
}

[data-design="b"] .bz-ticket__thanks {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 17px;
  color: var(--bz-iron);
  margin-top: 20px;
  line-height: 1.55;
}

[data-design="b"] .bz-ticket__compliance {
  font-family: ui-monospace, monospace;
  font-size: 13px;
  color: var(--bz-muted);
  border-top: 1px solid var(--bz-rule);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

@keyframes bz-folio-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes bz-receipt-stamp {
  0%   { opacity: 0; transform: scale(0.96); }
  60%  { opacity: 1; transform: scale(1.01); }
  100% { opacity: 1; transform: scale(1); }
}

/* ════════════════════════════════════════════════════════════
   Services — numbered roman index
   ════════════════════════════════════════════════════════════ */
[data-design="b"] .bz-services {
  background: color-mix(in oklab, var(--bz-iron), var(--bz-vellum) 94%);
  border-top: 1px solid var(--bz-rule);
  border-bottom: 1px solid var(--bz-rule);
}

[data-design="b"] .bz-services__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(64px, 9vw, 96px) clamp(16px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 32px;
}

[data-design="b"] .bz-eyebrow {
  font-family: 'Cormorant SC', Georgia, serif;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 13px;
  color: var(--bz-brass);
  display: block;
}

[data-design="b"] .bz-section-title {
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: clamp(28px, 3.8vw, 48px);
  letter-spacing: 0.04em;
  line-height: 1.1;
  color: var(--bz-iron);
  margin: 0;
}

[data-design="b"] .bz-section-lede {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--bz-iron);
  max-width: 62ch;
}

[data-design="b"] .bz-index {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

[data-design="b"] .bz-index__item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 22px 0;
  border-bottom: 1px solid var(--bz-rule);
}

[data-design="b"] .bz-index__item:last-child {
  border-bottom: none;
}

[data-design="b"] .bz-index__num {
  font-family: ui-monospace, monospace;
  font-size: 14px;
  color: var(--bz-brass);
  min-width: 28px;
  padding-top: 4px;
  flex-shrink: 0;
}

[data-design="b"] .bz-index__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

[data-design="b"] .bz-index__name {
  font-family: 'Roboto Slab', 'Rockwell', Georgia, serif;
  font-size: 20px;
  color: var(--bz-iron);
  margin: 0;
}

[data-design="b"] .bz-index__note {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--bz-muted);
  max-width: 60ch;
  margin: 0;
}

/* ════════════════════════════════════════════════════════════
   E4 — Beam Engine (ambient mid-page; paused off-screen)
   ════════════════════════════════════════════════════════════ */
[data-design="b"] .bz-engine {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 64px);
  padding: clamp(64px, 9vw, 96px) clamp(16px, 4vw, 40px);
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}

[data-design="b"] .bz-engine__copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

[data-design="b"] .bz-engine__title {
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: clamp(28px, 4vw, 48px);
  letter-spacing: 0.04em;
  line-height: 1.1;
  color: var(--bz-iron);
  margin: 0;
}

[data-design="b"] .bz-engine__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 17px;
  line-height: 1.55;
  color: var(--bz-iron);
}

[data-design="b"] .bz-cartouche-inline {
  font-family: ui-monospace, monospace;
  font-size: 13px;
  color: var(--bz-brass);
  letter-spacing: 0.06em;
}

[data-design="b"] .bz-engine__plate {
  border: 1px solid var(--bz-rule);
  background: var(--bz-vellum);
  padding: 16px;
  color: var(--bz-iron);
}

[data-design="b"] .bz-engine__svg {
  width: 100%;
  height: auto;
  display: block;
}

[data-design="b"] .bz-engine__beam {
  transform-origin: 200px 100px;
  animation: bz-beam-rock var(--bz-pulse) var(--bz-ease-engine) infinite;
}

[data-design="b"] .bz-engine__water {
  animation: bz-beam-water var(--bz-pulse) var(--bz-ease-engine) infinite;
}

[data-design="b"] .bz-engine__wheel {
  animation: bz-beam-wheel 12000ms linear infinite;
}

[data-design="b"] .bz-engine.is-paused .bz-engine__beam,
[data-design="b"] .bz-engine.is-paused .bz-engine__water,
[data-design="b"] .bz-engine.is-paused .bz-engine__wheel {
  animation-play-state: paused;
}

@keyframes bz-beam-rock {
  0%, 100% { transform: rotate(-3deg); }
  50%      { transform: rotate(3deg); }
}

@keyframes bz-beam-water {
  0%, 100% { y: 200; height: 79; }
  50%      { y: 140; height: 139; }
}

@keyframes bz-beam-wheel {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ════════════════════════════════════════════════════════════
   Portfolio section + Sectional Plate (Ambient B)
   ════════════════════════════════════════════════════════════ */
[data-design="b"] .bz-portfolio {
  background: var(--bz-vellum);
  border-top: 1px solid var(--bz-rule);
}

[data-design="b"] .bz-portfolio__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(64px, 9vw, 96px) clamp(16px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 40px;
}

[data-design="b"] .bz-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

[data-design="b"] .bz-section__plate {
  border: 1px solid var(--bz-rule);
  background: var(--bz-vellum);
  padding: clamp(16px, 3vw, 28px);
  color: var(--bz-iron);
}

[data-design="b"] .bz-section__svg {
  width: 100%;
  height: auto;
  display: block;
}

[data-design="b"] .bz-section__legend {
  font-family: ui-monospace, monospace;
  font-size: 12px;
  color: var(--bz-muted);
}

/* Sectional plate draw-in lines */
[data-design="b"] .bz-line {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
}

[data-design="b"] .bz-callout {
  opacity: 0;
}

[data-design="b"] .bz-section.is-drawn .bz-line {
  animation: bz-inscribe var(--bz-inscribe) var(--bz-ease-inscribe) forwards;
}

[data-design="b"] .bz-section.is-drawn .bz-line:nth-of-type(2)  { animation-delay: 180ms; }
[data-design="b"] .bz-section.is-drawn .bz-line:nth-of-type(3)  { animation-delay: 360ms; }
[data-design="b"] .bz-section.is-drawn .bz-line:nth-of-type(4)  { animation-delay: 540ms; }
[data-design="b"] .bz-section.is-drawn .bz-line:nth-of-type(5)  { animation-delay: 720ms; }
[data-design="b"] .bz-section.is-drawn .bz-line:nth-of-type(6)  { animation-delay: 900ms; }
[data-design="b"] .bz-section.is-drawn .bz-line:nth-of-type(7)  { animation-delay: 1080ms; }
[data-design="b"] .bz-section.is-drawn .bz-line:nth-of-type(8)  { animation-delay: 1260ms; }
[data-design="b"] .bz-section.is-drawn .bz-line:nth-of-type(9)  { animation-delay: 1440ms; }

[data-design="b"] .bz-section.is-drawn .bz-callout {
  animation: bz-callout-pop 380ms var(--bz-ease-settle) forwards;
}

[data-design="b"] .bz-section.is-drawn .bz-callout:nth-of-type(1) { animation-delay: 1800ms; }
[data-design="b"] .bz-section.is-drawn .bz-callout:nth-of-type(2) { animation-delay: 1960ms; }
[data-design="b"] .bz-section.is-drawn .bz-callout:nth-of-type(3) { animation-delay: 2120ms; }

@keyframes bz-inscribe {
  to { stroke-dashoffset: 0; }
}

[data-design="b"] .bz-portfolio__repeat-cta {
  padding-top: 16px;
}

/* ════════════════════════════════════════════════════════════
   Process — phase diagram
   ════════════════════════════════════════════════════════════ */
[data-design="b"] .bz-process {
  background: color-mix(in oklab, var(--bz-iron), var(--bz-vellum) 94%);
  border-top: 1px solid var(--bz-rule);
}

[data-design="b"] .bz-process__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(64px, 9vw, 96px) clamp(16px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 40px;
}

[data-design="b"] .bz-process__phases {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

[data-design="b"] .bz-process__phase {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 20px 0;
  border-bottom: 1px solid var(--bz-rule);
}

[data-design="b"] .bz-process__phase:last-child {
  border-bottom: none;
}

[data-design="b"] .bz-process__num {
  font-family: ui-monospace, monospace;
  font-size: 22px;
  color: var(--bz-brick);
  min-width: 32px;
  flex-shrink: 0;
  padding-top: 2px;
  line-height: 1;
}

[data-design="b"] .bz-process__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

[data-design="b"] .bz-process__name {
  font-family: 'Roboto Slab', Georgia, serif;
  font-size: 18px;
  color: var(--bz-iron);
  margin: 0;
}

[data-design="b"] .bz-process__body > p {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--bz-muted);
  max-width: 56ch;
  margin: 0;
}

/* ════════════════════════════════════════════════════════════
   Footer
   ════════════════════════════════════════════════════════════ */
[data-design="b"] .bz-footer {
  background: var(--bz-iron);
  color: var(--bz-vellum);
}

[data-design="b"] .bz-footer__rule {
  height: 8px;
  background: repeating-linear-gradient(
    90deg,
    var(--bz-brick) 0 6px,
    transparent 6px 12px
  );
  opacity: 0.6;
}

[data-design="b"] .bz-footer__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(48px, 7vw, 80px) clamp(16px, 4vw, 40px);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: clamp(24px, 4vw, 48px);
}

[data-design="b"] .bz-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

[data-design="b"] .bz-footer__name {
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: 18px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bz-vellum);
}

[data-design="b"] .bz-footer__address {
  font-family: ui-monospace, monospace;
  font-size: 13px;
  color: var(--bz-muted);
  margin: 0;
}

[data-design="b"] .bz-footer__phone,
[data-design="b"] .bz-footer__email {
  font-family: ui-monospace, monospace;
  font-size: 14px;
  color: var(--bz-brick);
  text-decoration: none;
  letter-spacing: 0.04em;
}

[data-design="b"] .bz-footer__phone:hover,
[data-design="b"] .bz-footer__email:hover {
  color: var(--bz-vellum);
}

[data-design="b"] .bz-footer__links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

[data-design="b"] .bz-footer__cta-link {
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--bz-brass);
  text-decoration: none;
  border-bottom: 1px solid var(--bz-brass);
  padding-bottom: 4px;
  align-self: flex-start;
}

[data-design="b"] .bz-footer__cta-link:hover {
  color: var(--bz-vellum);
  border-bottom-color: var(--bz-vellum);
}

[data-design="b"] .bz-footer__nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

[data-design="b"] .bz-footer__nav > a {
  font-family: 'Cormorant SC', Georgia, serif;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--bz-muted);
  text-decoration: none;
}

[data-design="b"] .bz-footer__nav > a:hover {
  color: var(--bz-vellum);
}

[data-design="b"] .bz-footer__compliance {
  font-family: ui-monospace, monospace;
  font-size: 12px;
  color: var(--bz-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

[data-design="b"] .bz-footer__compliance > p {
  font-family: ui-monospace, monospace;
  font-size: 12px;
  color: var(--bz-muted);
  margin: 0;
}

/* ════════════════════════════════════════════════════════════
   Reduced motion fallbacks (all scoped)
   ════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .bz-header__sweep,
  [data-design="b"] .bz-header__crosshatch {
    animation: none;
    opacity: 0.34;
  }
  [data-design="b"] .bz-drawer__plate {
    animation: none;
    transform: none;
  }
  [data-design="b"] .bz-cta__inset {
    animation: none;
  }
  [data-design="b"] .bz-cta__arrow {
    transition: none;
  }
  [data-design="b"] .bz-cta.bz-stamping .bz-cta__ink {
    animation: none;
    opacity: 0;
  }
  [data-design="b"] .bz-rf-eave,
  [data-design="b"] .bz-rf-slope-l,
  [data-design="b"] .bz-rf-slope-r,
  [data-design="b"] .bz-rf-eave2,
  [data-design="b"] .bz-rf-ridge,
  [data-design="b"] .bz-rf-course {
    animation: none;
    stroke-dashoffset: 0;
  }
  [data-design="b"] .bz-rf-callout {
    animation: none;
    opacity: 0.9;
  }
  [data-design="b"] .bz-hero__glow {
    animation: none;
    opacity: 0.4;
  }
  [data-design="b"] .bz-pointer__pipe,
  [data-design="b"] .bz-pointer__drop {
    animation: none;
    opacity: 0.6;
  }
  [data-design="b"] .bz-engine__beam,
  [data-design="b"] .bz-engine__water,
  [data-design="b"] .bz-engine__wheel {
    animation-play-state: paused;
  }
  [data-design="b"] .bz-line {
    stroke-dashoffset: 0 !important;
    animation: none !important;
  }
  [data-design="b"] .bz-callout {
    opacity: 1 !important;
    animation: none !important;
  }
  [data-design="b"] .bz-folio.is-active,
  [data-design="b"] .bz-ticket__receipt {
    animation: none;
  }
}

/* ════════════════════════════════════════════════════════════
   Responsive breakpoints
   ════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  [data-design="b"] .bz-engine {
    grid-template-columns: 1fr;
  }
  [data-design="b"] .bz-footer__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 560px) {
  [data-design="b"] .bz-logo__mark {
    font-size: 16px;
    letter-spacing: 0.10em;
  }
  [data-design="b"] .bz-folio__choices {
    grid-template-columns: 1fr;
  }
  [data-design="b"] .bz-section__plate {
    padding: 12px;
  }
  [data-design="b"] .bz-hero__headline {
    font-size: clamp(26px, 7vw, 44px);
  }
}

/* ════════════════════════════════════════════════════════════
   HARD CONTRACT — Mobile overflow / no-h-scroll guards
   Appended at bottom per spec.
   ════════════════════════════════════════════════════════════ */
[data-design="b"].dq-design,
[data-design="b"] .dq-design {
  max-width: 100%;
  overflow-x: clip;
}

[data-design="b"] * {
  min-width: 0;
}

[data-design="b"] img,
[data-design="b"] svg:not([data-keep-size]) {
  max-width: 100%;
  height: auto;
}

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