/* ================================================================
   Sierra Painting — Design B (Cut Line remapped to [data-design="b"])
   All selectors scoped [data-design="b"] — ZERO [data-design="b"]
   ================================================================ */

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

/* ── Design-B token root ──────────────────────────────────────── */
[data-design="b"] {
  /* PRIMARY exposed per slot-scope contract */
  --design-b-primary   : #C8311E;   /* Brick Red */

  /* Four enamel chips */
  --b-chip-01          : #C8311E;   /* Brick Red — brand */
  --b-chip-01-snap     : #B22916;
  --b-chip-02          : #F2C200;   /* Signal Yellow */
  --b-chip-02-snap     : #E5B500;
  --b-chip-03          : #1E5C8A;   /* Deep Cyan */
  --b-chip-03-snap     : #174B73;
  --b-chip-04          : #6F7A3A;   /* Olive */
  --b-chip-04-snap     : #5D6730;

  /* Surface / ink */
  --b-paper            : #F7F5F1;
  --b-paper-warm       : #EFEAE0;
  --b-paper-dark       : #0F0F0F;
  --b-ink              : #0F0F0F;
  --b-ink-soft         : #2B2A28;
  --b-muted            : #6B6863;
  --b-rule             : #0F0F0F;
  --b-rule-soft        : #C8C2B6;

  /* Role aliases */
  --b-surface          : var(--b-paper);
  --b-surface-sunk     : var(--b-paper-warm);
  --b-text             : var(--b-ink);
  --b-text-soft        : var(--b-ink-soft);
  --b-text-mute        : var(--b-muted);
  --b-brand            : var(--b-chip-01);
  --b-brand-snap       : var(--b-chip-01-snap);
  --b-accent           : var(--b-chip-02);
  --b-accent-deep      : var(--b-chip-03);
  --b-accent-quiet     : var(--b-chip-04);

  /* Typography */
  --b-font-display     : 'Big Shoulders Display', 'Archivo', 'Impact', sans-serif;
  --b-font-body        : 'Archivo', -apple-system, 'Helvetica Neue', sans-serif;
  --b-font-mono        : 'JetBrains Mono', 'SFMono-Regular', 'Menlo', monospace;

  --b-type-sign        : clamp(52px, 9vw, 140px);
  --b-type-display     : clamp(36px, 5.5vw, 72px);
  --b-type-headline    : clamp(22px, 2.8vw, 34px);
  --b-type-body-lg     : clamp(18px, 1.6vw, 21px);
  --b-type-body        : clamp(16px, 1.4vw, 18px);
  --b-type-caption     : 14px;
  --b-type-stamp       : 12px;

  /* Spacing (4px base, sign-shop named) */
  --b-hairline         : 1px;
  --b-stitch           : 4px;
  --b-cut              : 8px;
  --b-stroke           : 16px;
  --b-block            : 24px;
  --b-bay              : 40px;
  --b-wall             : 64px;
  --b-room             : 96px;

  /* Duration + easing */
  --b-dur-snap         : 280ms;
  --b-dur-press        : 140ms;
  --b-dur-settle       : 220ms;
  --b-dur-wipe         : 520ms;
  --b-dur-shuffle      : 9000ms;
  --b-dur-pointer      : 5600ms;

  --b-ease-snap        : cubic-bezier(.85, 0, .1, 1);
  --b-ease-press       : cubic-bezier(.4, 0, .6, 1);
  --b-ease-settle      : cubic-bezier(.2, 0, 0, 1);

  /* Radius */
  --b-radius-btn       : 4px;
  --b-radius-pill      : 999px;

  /* Layout */
  background: var(--b-surface);
  color: var(--b-text);
  font-family: var(--b-font-body);
  font-size: var(--b-type-body);
  line-height: 1.6;
}

/* ── Reset essentials (scoped) ───────────────────────────────── */
[data-design="b"].dq-design *, [data-design="b"].dq-design *::before, [data-design="b"].dq-design *::after {
  box-sizing: border-box; margin: 0; padding: 0;
}
[data-design="b"].dq-design h1, [data-design="b"].dq-design h2, [data-design="b"].dq-design h3 {
  line-height: 0.95; letter-spacing: -0.02em; font-weight: 800;
}
[data-design="b"].dq-design p { max-width: 65ch; }
[data-design="b"].dq-design a { color: inherit; }
[data-design="b"].dq-design ul, [data-design="b"].dq-design ol { list-style: none; }
[data-design="b"].dq-design button { font-family: inherit; }

/* ── Windowed-center container (TRIAD-2 / layout-floor) ─────── */
[data-design="b"] .b-inner {
  max-width: 1280px; margin-inline: auto;
  padding-inline: clamp(var(--b-stroke), 5vw, var(--b-bay));
}

/* ================================================================
   E1 · HEADER
   ================================================================ */
[data-design="b"] .b-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--b-paper);
}
[data-design="b"] .b-header__bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--b-stroke) clamp(var(--b-stroke), 4vw, var(--b-bay));
  min-height: 68px;
  max-width: 1440px; margin-inline: auto;
}
[data-design="b"] .b-header__logo {
  text-decoration: none; color: var(--b-ink);
}
[data-design="b"] .b-header__mark {
  font-family: var(--b-font-display); font-weight: 800; font-size: 26px;
  letter-spacing: -0.015em; line-height: 0.92; text-transform: uppercase;
}
[data-design="b"] .b-header__menu {
  appearance: none; background: var(--b-ink); border: 0;
  border-radius: var(--b-radius-btn); width: 48px; height: 48px;
  display: grid; place-content: center; gap: 4px; cursor: pointer; padding: 0 12px;
  flex-shrink: 0;
}
[data-design="b"] .b-header__menu-bar {
  display: block; width: 22px; height: 2px; background: var(--b-paper);
}
[data-design="b"] .b-header__menu:focus-visible {
  outline: 4px solid var(--b-brand); outline-offset: 0;
}

/* H-3: ≥18s atmospheric animation on the header rule */
[data-design="b"] .b-header__paint {
  position: relative; height: 8px; background: var(--b-brand); overflow: hidden;
}
[data-design="b"] .b-header__snap {
  position: absolute; left: 0; top: 0; bottom: 0; width: 100%;
  background: var(--b-accent);
  clip-path: inset(0 100% 0 0);
  animation: b-header-snap 21s var(--b-ease-snap) infinite;
}
@keyframes b-header-snap {
  0%,  18% { clip-path: inset(0 100% 0 0); }
  20%      { clip-path: inset(0   0% 0 0); }
  30%      { clip-path: inset(0   0% 0 0); }
  32%      { clip-path: inset(0 100% 0 0); }
  100%     { clip-path: inset(0 100% 0 0); }
}

/* ── Drawer ──────────────────────────────────────────────────── */
[data-design="b"] .b-drawer {
  position: fixed; inset: 0; z-index: 60; background: rgba(15,15,15,0.48);
}
[data-design="b"] .b-drawer[hidden] { display: none; }
[data-design="b"] .b-drawer__panel {
  position: absolute; left: 0; right: 0; top: 0;
  background: var(--b-paper);
  border-bottom: 8px solid var(--b-brand);
  padding: var(--b-block) clamp(var(--b-stroke), 4vw, var(--b-bay));
  display: flex; flex-direction: column; gap: var(--b-bay);
  transform: translateY(-100%);
  transition: transform var(--b-dur-wipe) var(--b-ease-snap);
  max-height: 90dvh; overflow-y: auto;
}
[data-design="b"] .b-drawer.is-open .b-drawer__panel { transform: translateY(0); }
[data-design="b"] .b-drawer__close {
  appearance: none; background: var(--b-ink); color: var(--b-paper); border: 0;
  font-family: var(--b-font-mono); font-size: 22px;
  align-self: flex-end; width: 48px; height: 48px; cursor: pointer;
  border-radius: var(--b-radius-btn);
  display: grid; place-content: center;
}
[data-design="b"] .b-drawer__close:focus-visible {
  outline: 4px solid var(--b-brand); outline-offset: 0;
}
[data-design="b"] .b-drawer__nav {
  display: flex; flex-direction: column; gap: 0;
  border-top: 3px solid var(--b-ink);
}
[data-design="b"] .b-drawer__nav a {
  font-family: var(--b-font-display); font-size: clamp(32px, 6vw, 44px);
  font-weight: 800; text-transform: uppercase;
  color: var(--b-ink); text-decoration: none;
  padding: 14px 0;
  border-bottom: 3px solid var(--b-ink);
  letter-spacing: -0.015em; line-height: 0.92;
  min-height: 44px; display: flex; align-items: center;
}
[data-design="b"] .b-drawer__nav a:hover { color: var(--b-brand); }
[data-design="b"] .b-drawer__ctas {
  display: flex; flex-direction: column; gap: var(--b-cut); align-items: flex-start;
}
[data-design="b"] .b-drawer__phone {
  font-family: var(--b-font-mono); font-size: 18px; font-weight: 500;
  color: var(--b-ink); text-decoration: none;
  padding: 12px 0; min-height: 44px; display: flex; align-items: center;
}

/* ================================================================
   E2 · CTA — Animated Sign-Block
   ================================================================ */
[data-design="b"] .b-cta {
  position: relative; display: inline-flex; align-items: center; gap: 16px;
  padding: 18px 28px; min-height: 56px;
  background: var(--b-brand); color: var(--b-paper);
  font-family: var(--b-font-display); font-weight: 800; font-size: 20px;
  text-transform: uppercase; letter-spacing: 0; text-decoration: none;
  border-radius: var(--b-radius-btn);
  border-left: 3px solid var(--b-ink); border-bottom: 3px solid var(--b-ink);
  border-right: 0; border-top: 0;
  overflow: hidden; cursor: pointer; line-height: 0.95;
  transition:
    border-color var(--b-dur-press) var(--b-ease-press),
    transform var(--b-dur-press) var(--b-ease-press);
}
[data-design="b"] .b-cta__arrow {
  font-family: var(--b-font-mono); font-size: 20px; line-height: 1; font-weight: 500;
  transition: transform var(--b-dur-press) var(--b-ease-snap);
}
[data-design="b"] .b-cta__snap {
  position: absolute; inset: 0; pointer-events: none;
  background: var(--b-brand-snap);
  clip-path: inset(0 100% 0 0);
  transition: clip-path var(--b-dur-snap) var(--b-ease-snap);
  z-index: 0;
}
[data-design="b"] .b-cta__label,
[data-design="b"] .b-cta__arrow { position: relative; z-index: 1; }
[data-design="b"] .b-cta:hover .b-cta__snap { clip-path: inset(0 0% 0 0); }
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .b-cta:hover .b-cta__arrow { transform: translateX(6px); }
}
[data-design="b"] .b-cta:focus-visible { outline: 4px solid var(--b-ink); outline-offset: 0; }
[data-design="b"] .b-cta:active {
  border-left: 0; border-bottom: 0;
  border-right: 3px solid var(--b-ink); border-top: 3px solid var(--b-ink);
  transform: translate(2px, 2px);
}

/* ================================================================
   HERO  (data-mf-role="hero")
   isolation:isolate — text z-index ABOVE backdrop HARD RULE
   ================================================================ */
[data-design="b"] .b-hero {
  position: relative;
  isolation: isolate;
  min-height: clamp(70vh, 80vh, 90vh);
  display: flex; align-items: center;
  overflow: hidden;
  background: var(--b-paper);
  border-bottom: 8px solid var(--b-ink);
}

/* E3: ONE ambient layer — block-shuffle color wash behind text */
[data-design="b"] .b-hero__backdrop {
  position: absolute; inset: 0; z-index: 0;
  pointer-events: none; overflow: hidden;
}
[data-design="b"] .b-hero__block {
  position: absolute;
  display: block;
}
/* Block A: Brick Red rectangle — top-right, 9s cycle */
[data-design="b"] .b-hero__block--a {
  right: 0; top: 0;
  width: clamp(240px, 35vw, 520px);
  height: clamp(200px, 55vh, 480px);
  background: var(--b-chip-01);
  /* Arrival tape-snap then ambient slow shift */
  animation: b-hero-block-a var(--b-dur-shuffle) var(--b-ease-snap) infinite;
  transform-origin: top right;
}
@keyframes b-hero-block-a {
  0%        { clip-path: inset(0 100% 0 0); }
  8%        { clip-path: inset(0 0% 0 0); }
  46%       { clip-path: inset(0 0% 0 0); }
  54%       { clip-path: inset(0 0% 0 100%); }
  62%       { clip-path: inset(0 0% 0 100%); }
  70%       { clip-path: inset(0 100% 0 0); }
  100%      { clip-path: inset(0 100% 0 0); }
}
/* Block B: Signal Yellow — bottom-left, coprime 13s cycle */
[data-design="b"] .b-hero__block--b {
  left: 0; bottom: 0;
  width: clamp(160px, 22vw, 340px);
  height: clamp(120px, 32vh, 260px);
  background: var(--b-chip-02);
  animation: b-hero-block-b var(--b-dur-shuffle2, 13000ms) var(--b-ease-snap) infinite;
  --b-dur-shuffle2: 13000ms;
  transform-origin: bottom left;
}
@keyframes b-hero-block-b {
  0%        { clip-path: inset(0 0% 100% 0); }
  10%       { clip-path: inset(0 0% 0 0); }
  50%       { clip-path: inset(0 0% 0 0); }
  60%       { clip-path: inset(100% 0 0 0); }
  70%       { clip-path: inset(100% 0 0 0); }
  80%       { clip-path: inset(0 0% 100% 0); }
  100%      { clip-path: inset(0 0% 100% 0); }
}

/* Hero text container — ABOVE backdrop z-index */
[data-design="b"] .b-hero__content {
  position: relative; z-index: 2;
  max-width: 1280px; margin-inline: auto;
  padding: var(--b-room) clamp(var(--b-stroke), 5vw, var(--b-bay));
  display: flex; flex-direction: column; gap: var(--b-block);
  align-items: flex-start;
}

/* Hero text — opacity:1 at first paint, NEVER opacity:0 */
[data-design="b"] .b-hero__headline {
  font-family: var(--b-font-display); font-weight: 800;
  font-size: var(--b-type-sign);
  line-height: 0.92; letter-spacing: -0.025em;
  text-transform: uppercase; color: var(--b-ink);
  max-width: 18ch;
  opacity: 1;   /* HARD — never 0 */
}
[data-design="b"] .b-hero__subtitle {
  font-family: var(--b-font-body); font-size: var(--b-type-body-lg);
  font-weight: 500; color: var(--b-ink-soft); max-width: 50ch;
  opacity: 1;
}
[data-design="b"] .b-hero__proof {
  font-family: var(--b-font-mono); font-size: var(--b-type-stamp);
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--b-muted);
  opacity: 1;
}
/* CTA inside hero */
[data-design="b"] .b-hero__cta {
  margin-top: var(--b-cut);
  opacity: 1; /* never 0 */
}

/* ================================================================
   E6 · POINTER  (data-mf-role="pointer")
   Plumb-drop SVG — coverage/wet-edge register
   NOT a button; aria-hidden; opacity:1; bbox height ≥ 8px
   ================================================================ */
[data-design="b"] .b-pointer {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  width: 100%; padding: var(--b-bay) 0;
  background: var(--b-paper);
  text-decoration: none;
  /* opacity:1 at rest — HARD */
  opacity: 1;
  min-height: 60px;   /* bbox height guard */
}
[data-design="b"] .b-pointer__svg {
  display: block; width: 32px; height: 220px; overflow: visible;
}
[data-design="b"] .b-pointer__bar {
  fill: var(--b-ink);
  transform-origin: top;
  animation: b-pointer-plumb var(--b-dur-pointer) var(--b-ease-snap) infinite;
}
[data-design="b"] .b-pointer__cap {
  fill: var(--b-ink);
  /* HARD: initial state NOT opacity:0 via CSS — controlled by keyframe */
  animation: b-pointer-cap var(--b-dur-pointer) var(--b-ease-snap) infinite;
}
[data-design="b"] .b-pointer__hit {
  fill: var(--b-brand);
  transform-origin: left;
  animation: b-pointer-hit var(--b-dur-pointer) var(--b-ease-snap) infinite;
}
[data-design="b"] .b-pointer__label {
  font-family: var(--b-font-mono); font-size: 12px;
  letter-spacing: 0.14em; font-weight: 500; text-transform: uppercase;
  color: var(--b-ink); opacity: 1;
}

@keyframes b-pointer-plumb {
  0%   { transform: scaleY(0); opacity: 1; }
  35%  { transform: scaleY(1); opacity: 1; }
  90%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}
@keyframes b-pointer-cap {
  0%, 4%  { opacity: 1; }
  96%, 100%{ opacity: 0; }
}
@keyframes b-pointer-hit {
  0%, 38% { transform: scaleX(0); opacity: 1; }
  42%     { transform: scaleX(1); opacity: 1; }
  90%     { transform: scaleX(1); opacity: 1; }
  100%    { transform: scaleX(1); opacity: 0; }
}

/* ================================================================
   E5 · FUNNEL  (id="funnel"; data-mf-role="funnel")
   4-step qualifying intake
   ================================================================ */
[data-design="b"] .b-funnel {
  padding: var(--b-room) clamp(var(--b-stroke), 5vw, var(--b-bay));
  background: var(--b-paper);
  border-top: 8px solid var(--b-ink);
}
[data-design="b"] .b-funnel__head {
  max-width: 1280px; margin: 0 auto var(--b-bay); display: grid; gap: var(--b-cut);
}
[data-design="b"] .b-funnel__kicker {
  font-family: var(--b-font-mono); font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--b-text-mute);
}
[data-design="b"] .b-funnel__title {
  font-family: var(--b-font-display); font-weight: 800;
  font-size: var(--b-type-display); line-height: 0.92;
  letter-spacing: -0.02em; text-transform: uppercase; color: var(--b-ink);
  max-width: 18ch;
}
[data-design="b"] .b-funnel__sheet {
  max-width: 1280px; margin: 0 auto;
  border: 3px solid var(--b-ink); background: var(--b-paper);
}
[data-design="b"] .b-funnel__step {
  border: 0; padding: 0; margin: 0; display: none;
}
[data-design="b"] .b-funnel__step.is-current { display: block; }

[data-design="b"] .b-funnel__legend {
  font-family: var(--b-font-display); font-weight: 800;
  font-size: clamp(26px, 3.5vw, 42px);
  line-height: 1; letter-spacing: -0.015em; text-transform: uppercase;
  color: var(--b-ink);
  padding: var(--b-block);
  border-bottom: 3px solid var(--b-ink); width: 100%;
  display: block;
}
[data-design="b"] .b-funnel__row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

/* Funnel option blocks — data-mf-role="funnel-option" is on the fieldset */
[data-design="b"] .b-funnel__block {
  appearance: none; cursor: pointer; border: 0;
  border-right: 3px solid var(--b-ink);
  border-bottom: 3px solid var(--b-ink);
  background: var(--b-paper-warm); color: var(--b-ink);
  padding: var(--b-bay) var(--b-block);
  font-family: var(--b-font-display); font-weight: 800;
  font-size: clamp(20px, 2.4vw, 30px);
  text-transform: uppercase; line-height: 0.95;
  letter-spacing: -0.015em; min-height: 160px; text-align: left;
  position: relative; overflow: hidden;
  display: flex; align-items: flex-end;
  transition: color var(--b-dur-snap) var(--b-ease-snap);
}
[data-design="b"] .b-funnel__block::before {
  content: ""; position: absolute; inset: 0;
  background: var(--b-brand);
  clip-path: inset(0 100% 0 0);
  transition: clip-path var(--b-dur-snap) var(--b-ease-snap);
  z-index: 0;
}
[data-design="b"] .b-funnel__block > * { position: relative; z-index: 1; }
[data-design="b"] .b-funnel__block:last-child { border-right: 0; }
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .b-funnel__block:hover { color: var(--b-paper); }
  [data-design="b"] .b-funnel__block:hover::before { clip-path: inset(0 0 0 0); }
}
[data-design="b"] .b-funnel__block:focus-visible {
  outline: 4px solid var(--b-ink); outline-offset: -8px;
}
[data-design="b"] .b-funnel__block.is-picked {
  background: var(--b-ink); color: var(--b-paper);
}
[data-design="b"] .b-funnel__block.is-picked::before { clip-path: inset(0 0 0 0); background: var(--b-brand); }

/* Step 4: Contact fields */
[data-design="b"] .b-funnel__step--contact { background: var(--b-paper); }
[data-design="b"] .b-funnel__contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--b-block);
  padding: var(--b-block);
}
[data-design="b"] .b-funnel__field-wrap { display: flex; flex-direction: column; gap: var(--b-cut); }
[data-design="b"] .b-funnel__field-wrap--full { grid-column: 1 / -1; }
[data-design="b"] .b-funnel__label {
  font-family: var(--b-font-mono); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--b-muted);
}
[data-design="b"] .b-funnel__req { font-weight: 400; }
[data-design="b"] .b-funnel__field {
  background: transparent; border: 0;
  border-bottom: 2px solid var(--b-ink);
  font-family: var(--b-font-body); font-size: 16px; color: var(--b-ink);
  padding: 10px 0; border-radius: 2px;
  min-height: 44px; width: 100%;
  transition: border-color var(--b-dur-settle) var(--b-ease-settle);
}
[data-design="b"] .b-funnel__field:focus {
  border-bottom: 3px solid var(--b-brand); outline: none;
}
[data-design="b"] .b-funnel__field--textarea {
  resize: vertical; min-height: 88px; line-height: 1.5;
}

/* Progress bar — scaleX() so no layout/paint props animate (MOTION GATE) */
[data-design="b"] .b-funnel__progress {
  height: 4px; background: var(--b-paper-warm);
  border: 1px solid var(--b-rule-soft);
  overflow: hidden;
}
[data-design="b"] .b-funnel__progress-bar {
  display: block; height: 100%; background: var(--b-brand);
  width: 100%;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--b-dur-wipe) var(--b-ease-settle);
}

[data-design="b"] .b-funnel__final-actions {
  padding: var(--b-block);
  border-top: 3px solid var(--b-ink);
  display: flex; flex-wrap: wrap; gap: var(--b-cut); align-items: center;
}
[data-design="b"] .b-funnel__submit { min-height: 56px; }
[data-design="b"] .b-funnel__restart {
  appearance: none; background: transparent; border: 0; color: var(--b-ink);
  font-family: var(--b-font-mono); font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; text-decoration: underline;
  text-underline-offset: 4px; cursor: pointer;
  padding: 12px; min-height: 44px;
}

[data-design="b"] .b-funnel__done {
  padding: var(--b-bay) var(--b-block); display: grid; gap: var(--b-stroke);
}
[data-design="b"] .b-funnel__done-title {
  font-family: var(--b-font-display); font-weight: 800;
  font-size: clamp(28px, 4vw, 44px); text-transform: uppercase;
  letter-spacing: -0.02em; color: var(--b-ink);
}
[data-design="b"] .b-funnel__done-body { font-size: 16px; color: var(--b-ink-soft); max-width: 50ch; }
[data-design="b"] .b-funnel__done-phone {
  font-family: var(--b-font-mono); font-size: 16px; color: var(--b-brand);
  text-decoration: none; text-underline-offset: 4px; min-height: 44px;
  display: inline-flex; align-items: center;
}
[data-design="b"] .b-funnel__done[hidden] { display: none; }

[data-design="b"] .b-funnel__trust {
  max-width: 1280px; margin: var(--b-block) auto 0;
  font-family: var(--b-font-mono); font-size: 12px; letter-spacing: 0.06em;
  color: var(--b-muted); display: flex; flex-wrap: wrap; gap: var(--b-stroke);
}
[data-design="b"] .b-funnel__trust a {
  color: var(--b-brand); text-underline-offset: 3px; text-decoration: underline;
}

/* ================================================================
   BEFORE / AFTER  (#before-after)
   No honest photo pairs in brief → typography panels with
   guillotine scroll-reveal (TRIAD-2 premium scroll motion)
   ================================================================ */
[data-design="b"] .b-ba {
  padding: var(--b-room) clamp(var(--b-stroke), 5vw, var(--b-bay));
  background: var(--b-paper-warm);
  border-top: 8px solid var(--b-ink);
  border-bottom: 8px solid var(--b-ink);
}
[data-design="b"] .b-ba__head {
  max-width: 1280px; margin: 0 auto var(--b-bay); display: grid; gap: var(--b-cut);
}
[data-design="b"] .b-ba__kicker {
  font-family: var(--b-font-mono); font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--b-text-mute);
}
[data-design="b"] .b-ba__title {
  font-family: var(--b-font-display); font-weight: 800;
  font-size: var(--b-type-display); line-height: 0.92;
  letter-spacing: -0.02em; text-transform: uppercase; color: var(--b-ink);
  max-width: 22ch;
}
[data-design="b"] .b-ba__grid {
  list-style: none; padding: 0; margin: 0 auto;
  max-width: 1280px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border: 3px solid var(--b-ink);
}
[data-design="b"] .b-ba__panel {
  position: relative; overflow: hidden;
  padding: var(--b-bay) var(--b-block);
  border-right: 3px solid var(--b-ink);
  display: grid; gap: var(--b-stroke); align-content: start;
  /* Guillotine entry mask */
  clip-path: inset(0 100% 0 0);
  transition: clip-path var(--b-dur-wipe) var(--b-ease-snap);
}
[data-design="b"] .b-ba__panel.is-revealed { clip-path: inset(0 0% 0 0); }
[data-design="b"] .b-ba__panel:nth-child(2) { clip-path: inset(0 0 0 100%); }
[data-design="b"] .b-ba__panel:nth-child(2).is-revealed { clip-path: inset(0 0 0 0%); }
[data-design="b"] .b-ba__panel:last-child { border-right: 0; }
[data-design="b"] .b-ba__panel--01 { background: var(--b-paper); }
[data-design="b"] .b-ba__panel--02 { background: var(--b-chip-03); color: var(--b-paper); }
[data-design="b"] .b-ba__panel--03 { background: var(--b-paper); }
[data-design="b"] .b-ba__tag {
  font-family: var(--b-font-mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; display: inline-block;
  padding: 4px 10px; background: var(--b-brand); color: var(--b-paper);
  border-radius: var(--b-radius-pill); align-self: start;
}
[data-design="b"] .b-ba__panel--02 .b-ba__tag {
  background: var(--b-paper); color: var(--b-ink);
}
[data-design="b"] .b-ba__panel-title {
  font-family: var(--b-font-display); font-weight: 800;
  font-size: clamp(22px, 2.2vw, 30px); line-height: 0.95;
  letter-spacing: -0.015em; text-transform: uppercase;
}
[data-design="b"] .b-ba__panel-body {
  font-size: 15px; line-height: 1.65; max-width: 36ch;
}
[data-design="b"] .b-ba__cta-repeat {
  max-width: 1280px; margin: var(--b-bay) auto 0;
}

/* ================================================================
   E3 (SERVICES / SIGN BOARD) — block-shuffle ambient A
   ================================================================ */
[data-design="b"] .b-board {
  padding: var(--b-room) clamp(var(--b-stroke), 5vw, var(--b-bay));
  background: var(--b-paper);
  border-top: 8px solid var(--b-ink);
  border-bottom: 8px solid var(--b-ink);
}
[data-design="b"] .b-board__head {
  max-width: 1280px; margin: 0 auto var(--b-bay); display: grid; gap: var(--b-cut);
}
[data-design="b"] .b-board__kicker {
  font-family: var(--b-font-mono); font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--b-text-mute);
}
[data-design="b"] .b-board__title {
  font-family: var(--b-font-display); font-weight: 800;
  font-size: var(--b-type-display); line-height: 0.92;
  letter-spacing: -0.02em; text-transform: uppercase; color: var(--b-ink);
  max-width: 18ch;
}
[data-design="b"] .b-board__grid {
  list-style: none; padding: 0; margin: 0 auto; max-width: 1280px;
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 0;
  border-top: 3px solid var(--b-ink); border-bottom: 3px solid var(--b-ink);
  border-right: 3px solid var(--b-ink);
}
[data-design="b"] .b-board__tile {
  position: relative; aspect-ratio: 3/4;
  border-left: 3px solid var(--b-ink);
  display: grid; grid-template-rows: 1fr auto; overflow: hidden;
}
[data-design="b"] .b-board__face {
  display: block; background: var(--chip);
}
[data-design="b"] .b-board__snap-layer {
  position: absolute; inset: 0; background: var(--chip-next);
  clip-path: inset(0 100% 0 0);
  transition: clip-path var(--b-dur-snap) var(--b-ease-snap);
  pointer-events: none;
}
[data-design="b"] .b-board__tile.is-snapping .b-board__snap-layer {
  clip-path: inset(0 0 0 0);
}
[data-design="b"] .b-board__meta {
  position: relative; z-index: 2;
  background: var(--b-paper); padding: 10px var(--b-cut);
  display: grid; gap: 2px;
  border-top: 3px solid var(--b-ink);
}
[data-design="b"] .b-board__name {
  font-family: var(--b-font-display); font-weight: 700; font-size: 16px;
  text-transform: uppercase; letter-spacing: -0.01em; line-height: 1;
  color: var(--b-ink);
}

/* ================================================================
   PROCESS (#process) — guillotine scroll-reveal (ambient B / TRIAD-2)
   ================================================================ */
[data-design="b"] .b-process {
  padding: var(--b-room) clamp(var(--b-stroke), 5vw, var(--b-bay));
  background: var(--b-paper-dark); color: var(--b-paper);
}
[data-design="b"] .b-process__head {
  max-width: 1280px; margin: 0 auto var(--b-bay); display: grid; gap: var(--b-cut);
}
[data-design="b"] .b-process__head .b-board__kicker { color: rgba(247,245,241,0.5); }
[data-design="b"] .b-process__head .b-board__title { color: var(--b-paper); }
[data-design="b"] .b-process__steps {
  list-style: none; padding: 0; margin: 0 auto;
  max-width: 1280px; display: grid; gap: 0;
  border: 3px solid var(--b-paper);
}
[data-design="b"] .b-process__step {
  position: relative; overflow: hidden;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 0;
  border-bottom: 3px solid var(--b-paper);
  /* Guillotine scroll reveal */
  clip-path: inset(0 0 0 100%);
  transition: clip-path var(--b-dur-wipe) var(--b-ease-snap);
}
[data-design="b"] .b-process__step:last-child { border-bottom: 0; }
[data-design="b"] .b-process__step.is-wiped { clip-path: inset(0 0 0 0); }
[data-design="b"] .b-process__mask {
  display: none; /* mask handled by clip-path on parent */
}
[data-design="b"] .b-process__num {
  display: flex; align-items: center; justify-content: center;
  background: var(--b-brand); color: var(--b-paper);
  font-family: var(--b-font-mono); font-size: 14px; font-weight: 500;
  letter-spacing: 0.06em;
  border-right: 3px solid var(--b-paper);
  min-height: 80px;
  align-self: stretch;
}
[data-design="b"] .b-process__body {
  padding: var(--b-block); display: grid; gap: var(--b-cut);
}
[data-design="b"] .b-process__name {
  font-family: var(--b-font-display); font-weight: 800; font-size: 22px;
  text-transform: uppercase; letter-spacing: -0.01em; color: var(--b-paper);
}
[data-design="b"] .b-process__body p { font-size: 15px; line-height: 1.6; color: rgba(247,245,241,0.8); max-width: 55ch; }

/* ================================================================
   ABOUT
   ================================================================ */
[data-design="b"] .b-about {
  padding: var(--b-room) clamp(var(--b-stroke), 5vw, var(--b-bay));
  background: var(--b-accent-deep); color: var(--b-paper);
}
[data-design="b"] .b-about__inner {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr auto; gap: var(--b-room);
  align-items: center;
}
[data-design="b"] .b-about__copy { display: grid; gap: var(--b-block); }
[data-design="b"] .b-about__copy .b-board__kicker { color: rgba(247,245,241,0.5); }
[data-design="b"] .b-about__copy .b-board__title { color: var(--b-paper); }
[data-design="b"] .b-about__body { font-size: 17px; line-height: 1.7; color: rgba(247,245,241,0.9); max-width: 50ch; }
[data-design="b"] .b-about__pull {
  flex-shrink: 0;
}
[data-design="b"] .b-about__pull-text {
  font-family: var(--b-font-display); font-weight: 800;
  font-size: clamp(32px, 5vw, 72px); line-height: 0.92;
  letter-spacing: -0.025em; text-transform: uppercase;
  color: var(--b-paper); max-width: 10ch;
  border-left: 8px solid var(--b-brand);
  padding-left: var(--b-block);
}

/* ================================================================
   SERVICE AREA
   ================================================================ */
[data-design="b"] .b-area {
  padding: var(--b-room) clamp(var(--b-stroke), 5vw, var(--b-bay));
  background: var(--b-paper);
  border-top: 8px solid var(--b-ink);
}
[data-design="b"] .b-area__head {
  max-width: 1280px; margin: 0 auto var(--b-block); display: grid; gap: var(--b-cut);
}
[data-design="b"] .b-area__body {
  max-width: 1280px; margin: 0 auto;
  font-size: 18px; color: var(--b-ink-soft); line-height: 1.6;
}

/* ================================================================
   CONTACT
   ================================================================ */
[data-design="b"] .b-contact {
  padding: var(--b-room) clamp(var(--b-stroke), 5vw, var(--b-bay));
  background: var(--b-accent);
  border-top: 8px solid var(--b-ink);
}
[data-design="b"] .b-contact__inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; flex-direction: column; gap: var(--b-block);
  align-items: flex-start;
}
[data-design="b"] .b-contact__inner .b-board__title { color: var(--b-ink); }
[data-design="b"] .b-contact__phone {
  font-family: var(--b-font-display); font-weight: 800;
  font-size: clamp(36px, 6vw, 80px); line-height: 0.92;
  letter-spacing: -0.02em; color: var(--b-ink); text-decoration: none;
  text-transform: uppercase;
}
[data-design="b"] .b-contact__phone:hover { color: var(--b-brand); }

/* ================================================================
   FOOTER
   ================================================================ */
[data-design="b"] .b-footer {
  background: var(--b-paper-dark); color: var(--b-paper);
  border-top: 8px solid var(--b-brand);
  padding: var(--b-bay) clamp(var(--b-stroke), 5vw, var(--b-bay));
}
[data-design="b"] .b-footer__inner {
  max-width: 1280px; margin: 0 auto;
  display: grid; gap: var(--b-block);
}
[data-design="b"] .b-footer__brand {
  display: flex; flex-direction: column; gap: var(--b-cut);
}
[data-design="b"] .b-footer__name {
  font-family: var(--b-font-display); font-weight: 800; font-size: 28px;
  text-transform: uppercase; letter-spacing: -0.015em;
}
[data-design="b"] .b-footer__locale {
  font-family: var(--b-font-mono); font-size: 12px; color: rgba(247,245,241,0.5);
  letter-spacing: 0.08em; text-transform: uppercase;
}
[data-design="b"] .b-footer__meta {
  display: flex; flex-wrap: wrap; gap: var(--b-stroke);
  font-family: var(--b-font-mono); font-size: 12px;
  color: rgba(247,245,241,0.65); letter-spacing: 0.06em; text-transform: uppercase;
}
[data-design="b"] .b-footer__meta a {
  color: var(--b-accent); text-decoration: none;
}
[data-design="b"] .b-footer__legal {
  font-family: var(--b-font-mono); font-size: 11px;
  color: rgba(247,245,241,0.4); letter-spacing: 0.06em;
}

/* ================================================================
   REDUCED MOTION — fallbacks on EVERY signature interaction
   ================================================================ */
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .b-header__snap { animation: none; clip-path: inset(0 100% 0 0); }
  [data-design="b"] .b-drawer__panel { transition: none; }
  [data-design="b"] .b-cta__snap { transition: none; }
  [data-design="b"] .b-cta__arrow { transition: none; }
  [data-design="b"] .b-hero__block--a,
  [data-design="b"] .b-hero__block--b { animation: none; clip-path: inset(0 0 0 0); }
  [data-design="b"] .b-pointer__bar { animation: none; transform: scaleY(1); opacity: 1; }
  [data-design="b"] .b-pointer__cap { animation: none; opacity: 1; }
  [data-design="b"] .b-pointer__hit { animation: none; transform: scaleX(1); opacity: 1; }
  [data-design="b"] .b-board__snap-layer { transition: none; }
  [data-design="b"] .b-ba__panel,
  [data-design="b"] .b-ba__panel:nth-child(2) { clip-path: inset(0 0 0 0); transition: none; }
  [data-design="b"] .b-process__step { clip-path: inset(0 0 0 0); transition: none; }
  [data-design="b"] .b-funnel__progress-bar { transition: none; transform: scaleX(0); }
  [data-design="b"] .b-funnel__block,
  [data-design="b"] .b-funnel__block::before { transition: none; }
}

/* ================================================================
   RESPONSIVE — mobile-first, no h-scroll at 320/390/768/1440
   ================================================================ */
@media (max-width: 920px) {
  [data-design="b"] .b-board__grid { grid-template-columns: repeat(3, 1fr); }
  [data-design="b"] .b-ba__grid { grid-template-columns: 1fr; }
  [data-design="b"] .b-ba__panel { border-right: 0; border-bottom: 3px solid var(--b-ink); }
  [data-design="b"] .b-ba__panel:last-child { border-bottom: 0; }
  [data-design="b"] .b-about__inner { grid-template-columns: 1fr; gap: var(--b-bay); }
  [data-design="b"] .b-about__pull { display: none; }
}
@media (max-width: 640px) {
  [data-design="b"] .b-board__grid { grid-template-columns: repeat(2, 1fr); }
  [data-design="b"] .b-funnel__contact-grid { grid-template-columns: 1fr; }
  [data-design="b"] .b-funnel__row { grid-template-columns: 1fr 1fr; }
  [data-design="b"] .b-funnel__block { min-height: 100px; font-size: 18px; }
  [data-design="b"] .b-process__steps { border: 2px solid var(--b-paper); }
  [data-design="b"] .b-process__step { grid-template-columns: 56px 1fr; }
}
@media (max-width: 420px) {
  [data-design="b"] .b-board__grid { grid-template-columns: repeat(2, 1fr); }
  [data-design="b"] .b-header__mark { font-size: 20px; }
  [data-design="b"] .b-funnel__row { grid-template-columns: 1fr; }
  [data-design="b"] .b-funnel__block { border-right: 0; }
}

/* ================================================================
   MOBILE H-SCROLL GUARD — appended 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; }