/* ================================================================
   DESIGN-B — Drawdown Laboratory (scoped [data-design="b"])
   Bassler Painting · Oregon City, OR
   All selectors scoped under [data-design="b"] or
   [data-design="b"].dq-design / [data-design="b"] .dq-design
   ZERO [data-design="b"] selectors here.
================================================================ */

/* ----------------------------------------------------------------
   DESIGN TOKENS — exposed on the scope root
   --design-b-primary is the required exposed custom property.
---------------------------------------------------------------- */
[data-design="b"] {
  --design-b-primary:          #B83A20;

  /* color */
  --dl-paper:          #F3F0E8;
  --dl-surface:        #FFFFFF;
  --dl-ink:            #1A1814;
  --dl-ink-2:          #4A4640;
  --dl-muted:          #7A746B;
  --dl-border:         #D8D2C5;
  --dl-border-strong:  #1A1814;
  --design-b-specimen:   #B83A20;
  --design-b-specimen-2: #2D5A78;
  --design-b-specimen-3: #C8923A;
  --dl-success:        #4A6B3A;
  --dl-warn:           #C8923A;
  --dl-critical:       #8B2A18;

  /* spacing */
  --dl-hair:    2px;
  --dl-pin:     4px;
  --dl-bristle: 8px;
  --dl-line:    12px;
  --dl-stroke:  16px;
  --dl-coat:    24px;
  --dl-roll:    40px;
  --dl-stride:  72px;
  --dl-wall:    120px;

  /* radius */
  --dl-r-card: 2px;
  --dl-r-chip: 1px;
  --dl-r-pill: 999px;

  /* type */
  --dl-display: 'Inter', system-ui, -apple-system, sans-serif;
  --dl-mono:    'JetBrains Mono', ui-monospace, 'IBM Plex Mono', monospace;

  /* motion */
  --dl-ease-settle: cubic-bezier(0.16, 0.84, 0.20, 1.00);
  --dl-ease-roll:   cubic-bezier(0.50, 0.00, 0.20, 1.00);
  --dl-dur-quick:   180ms;
  --dl-dur-base:    360ms;
  --dl-dur-coat:    720ms;
  --dl-dur-dry:     22s;

  /* page */
  font-family: var(--dl-display);
  font-size: 17px;
  line-height: 1.6;
  color: var(--dl-ink);
  background: var(--dl-paper);
  box-sizing: border-box;
}

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

/* ================================================================
   E1 — ANIMATED MINIMALIST HEADER
================================================================ */

[data-design="b"] .rf-header {
  position: sticky; top: 0; z-index: 30;
  background: var(--dl-paper);
  border-bottom: 1px solid var(--dl-ink);
}

/* Atmospheric animation — light rule drifting warm→cool→warm 28s */
[data-design="b"] .rf-light-rule {
  position: relative; height: 2px; width: 100%;
  background: var(--dl-border);
  overflow: hidden;
}
[data-design="b"] .rf-light-rule__band {
  position: absolute; inset: 0;
  background: linear-gradient(
    90deg,
    var(--design-b-specimen-3) 0%,
    var(--design-b-specimen)   28%,
    var(--design-b-specimen-2) 62%,
    var(--design-b-specimen-3) 100%
  );
  background-size: 220% 100%;
  animation: b-light-drift 28s linear infinite;
  opacity: 0.55;
}
@keyframes b-light-drift {
  0%   { background-position:   0% 50%; }
  100% { background-position: 220% 50%; }
}

[data-design="b"] .rf-header__bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--dl-stroke);
  padding: var(--dl-coat) clamp(var(--dl-stroke), 4vw, var(--dl-roll));
  max-width: 1320px; margin: 0 auto;
}

[data-design="b"] .rf-logo {
  display: inline-flex; align-items: baseline; gap: var(--dl-line);
  text-decoration: none; color: var(--dl-ink);
}
[data-design="b"] .rf-logo__ref {
  font-family: var(--dl-mono);
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--dl-muted);
  border: 1px solid var(--dl-border); padding: 2px 6px; border-radius: var(--dl-r-pill);
}
[data-design="b"] .rf-logo__mark {
  font-family: var(--dl-display);
  font-weight: 600; font-size: 19px; letter-spacing: -0.012em;
}

/* Hamburger */
[data-design="b"] .rf-burger {
  appearance: none; background: transparent; border: 1px solid var(--dl-ink);
  width: 44px; height: 44px; padding: 11px;
  display: inline-flex; flex-direction: column; justify-content: space-between;
  cursor: pointer; border-radius: var(--dl-r-card);
  transition: background var(--dl-dur-quick) var(--dl-ease-settle);
  flex-shrink: 0;
}
[data-design="b"] .rf-burger:hover { background: var(--dl-surface); }
[data-design="b"] .rf-burger__line {
  display: block; height: 1px; background: var(--dl-ink);
  transition: transform var(--dl-dur-base) var(--dl-ease-settle), opacity var(--dl-dur-base) var(--dl-ease-settle);
}
[data-design="b"] .rf-burger[aria-expanded="true"] .rf-burger__line:nth-child(1) { transform: translateY(9px) rotate(45deg); }
[data-design="b"] .rf-burger[aria-expanded="true"] .rf-burger__line:nth-child(2) { opacity: 0; transform: scaleX(0); }
[data-design="b"] .rf-burger[aria-expanded="true"] .rf-burger__line:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* Drawer — focus-trapped, display:none when closed */
[data-design="b"] .rf-drawer {
  position: fixed; inset: 0; background: var(--dl-paper);
  display: none; padding: 72px clamp(var(--dl-stroke), 6vw, var(--dl-stride));
  z-index: 40;
  animation: b-drawer-in var(--dl-dur-coat) var(--dl-ease-roll);
  overflow-y: auto;
}
[data-design="b"] .rf-drawer[data-open="true"] { display: block; }
@keyframes b-drawer-in {
  from { transform: translateY(-10px); opacity: 0; }
  to   { transform: translateY(0);     opacity: 1; }
}
[data-design="b"] .rf-drawer__close {
  position: absolute; top: var(--dl-coat); right: clamp(var(--dl-stroke), 4vw, var(--dl-roll));
  appearance: none; background: transparent; border: 1px solid var(--dl-ink);
  width: 44px; height: 44px; font-size: 20px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--dl-r-card); color: var(--dl-ink);
}
[data-design="b"] .rf-drawer__list {
  list-style: none; padding: 0; margin: 0 0 var(--dl-roll);
  display: flex; flex-direction: column; gap: var(--dl-stroke);
}
[data-design="b"] .rf-drawer__list a {
  font-family: var(--dl-display); font-size: clamp(24px, 5vw, 44px);
  color: var(--dl-ink); text-decoration: none;
  border-bottom: 1px solid var(--dl-border); padding-bottom: var(--dl-line);
  display: block; min-height: 44px;
}
[data-design="b"] .rf-drawer__list a:hover { color: var(--design-b-specimen); }
[data-design="b"] .rf-drawer__ctas {
  display: flex; flex-direction: column; gap: var(--dl-stroke);
  padding-top: var(--dl-roll);
  border-top: 1px solid var(--dl-border);
}
[data-design="b"] .rf-drawer__phone {
  font-family: var(--dl-mono); font-size: 18px; letter-spacing: 0.04em;
  color: var(--dl-ink); text-decoration: none;
  display: inline-flex; align-items: center; min-height: 44px;
}
[data-design="b"] .rf-drawer__phone:hover { color: var(--design-b-specimen); }

/* ================================================================
   E2 — ANIMATED CTA (shared across hero, drawer, gallery, footer)
================================================================ */

[data-design="b"] .rf-cta {
  position: relative; isolation: isolate;
  display: inline-flex; align-items: center; gap: var(--dl-line);
  padding: 14px 20px 14px 16px;
  background: var(--dl-paper); color: var(--dl-ink);
  border: 1px solid var(--dl-ink); border-radius: var(--dl-r-card);
  text-decoration: none; cursor: pointer; overflow: hidden;
  font-family: var(--dl-display); font-weight: 600; font-size: 15px;
  letter-spacing: 0.01em;
  animation: b-cta-breath 5s var(--dl-ease-settle) infinite;
  transition: transform var(--dl-dur-quick) var(--dl-ease-settle);
  min-height: 44px;
}
[data-design="b"] .rf-cta__ref {
  font-family: var(--dl-mono); font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--dl-muted);
  border-right: 1px solid var(--dl-border); padding-right: var(--dl-line);
  white-space: nowrap;
}
[data-design="b"] .rf-cta__arrow { display: inline-flex; color: var(--dl-ink); flex-shrink: 0; }
[data-design="b"] .rf-cta__notch {
  position: absolute; bottom: 0; right: 0;
  width: 28px; height: 6px; background: var(--design-b-specimen);
  transition: height var(--dl-dur-base) var(--dl-ease-settle);
}
[data-design="b"] .rf-cta__sheen {
  position: absolute; top: 0; bottom: 0; left: -40%; width: 40%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.65), transparent);
  transform: skewX(-12deg); pointer-events: none; opacity: 0;
  z-index: -1;
}
[data-design="b"] .rf-cta:hover { transform: translateY(-1px); }
[data-design="b"] .rf-cta:hover .rf-cta__notch { height: 9px; }
[data-design="b"] .rf-cta:hover .rf-cta__sheen {
  animation: b-cta-sheen 720ms var(--dl-ease-roll) 1;
  opacity: 1;
}
[data-design="b"] .rf-cta:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--design-b-specimen), transparent 60%);
}
[data-design="b"] .rf-cta:active {
  transform: translateY(1px) scale(0.985);
  animation-play-state: paused;
}
@keyframes b-cta-breath {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--design-b-specimen), transparent 80%); }
  50%      { box-shadow: 0 0 0 4px color-mix(in oklab, var(--design-b-specimen), transparent 92%); }
}
@keyframes b-cta-sheen {
  from { left: -40%; }
  to   { left: 110%; }
}

/* ================================================================
   E3 — HERO + AMBIENT BACKDROP
   One layer: color-wash fill sustained ambient motion.
   Hero text opacity:1 at first paint.
================================================================ */

[data-design="b"] .dl-hero {
  position: relative; overflow: hidden;
  min-height: clamp(480px, 75vh, 820px);
  display: flex; align-items: center;
  background: var(--dl-paper);
}

/* Single animated layer backdrop */
[data-design="b"] .dl-hero__backdrop {
  position: absolute; inset: 0; z-index: 0;
  overflow: hidden; pointer-events: none;
}
[data-design="b"] .dl-hero__wash {
  position: absolute; inset: 0;
  background: linear-gradient(
    135deg,
    var(--dl-paper) 0%,
    color-mix(in oklab, var(--design-b-specimen), var(--dl-paper) 82%) 35%,
    color-mix(in oklab, var(--design-b-specimen-2), var(--dl-paper) 78%) 65%,
    color-mix(in oklab, var(--design-b-specimen-3), var(--dl-paper) 80%) 100%
  );
  background-size: 320% 320%;
  /* Sustained ambient motion — perceptible at rest, never frozen */
  animation: b-hero-wash 8s var(--dl-ease-roll) infinite alternate;
  opacity: 0.72;
}
@keyframes b-hero-wash {
  0%   { background-position:  0%  20%; opacity: 0.55; }
  30%  { background-position: 40%  60%; opacity: 0.72; }
  60%  { background-position: 80%  30%; opacity: 0.65; }
  100% { background-position: 60%  80%; opacity: 0.78; }
}

/* SVG wet-edge line — gives the hero a drawn-edge mark */
[data-design="b"] .dl-hero__edge {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0.12;
}
[data-design="b"] .dl-hero__edge-fill {
  fill: color-mix(in oklab, var(--design-b-specimen), transparent 88%);
}
[data-design="b"] .dl-hero__edge-line {
  stroke: var(--dl-ink); stroke-width: 1;
  opacity: 0.4;
}

[data-design="b"] .dl-hero__content {
  position: relative; z-index: 1;
  width: 100%; max-width: 1320px; margin: 0 auto;
  padding: var(--dl-wall) clamp(var(--dl-stroke), 4vw, var(--dl-roll));
  display: flex; gap: var(--dl-roll); align-items: center;
}

[data-design="b"] .dl-hero__text {
  flex: 1.4 1 0; min-width: 0;
  display: flex; flex-direction: column; gap: var(--dl-coat);
}

[data-design="b"] .dl-hero__eyebrow {
  font-family: var(--dl-mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--dl-muted);
  /* opacity:1 at first paint — NEVER opacity:0 on hero text */
  opacity: 1;
}
[data-design="b"] .dl-hero__headline {
  font-family: var(--dl-display); font-weight: 700;
  font-size: clamp(32px, 5vw, 72px); line-height: 1.1;
  letter-spacing: -0.012em; color: var(--dl-ink); margin: 0;
  max-width: 20ch;
  /* opacity:1 at first paint */
  opacity: 1;
}
[data-design="b"] .dl-hero__subtitle {
  font-size: clamp(15px, 2vw, 18px); color: var(--dl-ink-2);
  margin: 0; max-width: 48ch; line-height: 1.5;
  opacity: 1;
}
[data-design="b"] .dl-hero__proof {
  font-family: var(--dl-mono); font-size: 12px; letter-spacing: 0.06em;
  color: var(--dl-muted); margin: 0;
  opacity: 1;
}
[data-design="b"] .dl-hero__trust-chip {
  display: inline-flex; align-items: center;
  font-family: var(--dl-mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--dl-muted);
  border: 1px solid var(--dl-border); padding: 3px 8px;
  border-radius: var(--dl-r-pill);
  width: fit-content;
  opacity: 1;
}

/* Fan-deck specimen stack in hero */
[data-design="b"] .dl-hero__specimens {
  flex: 1 1 0; min-width: 0;
  display: flex; flex-direction: column; gap: var(--dl-stroke);
}
[data-design="b"] .dl-hero__chip {
  position: relative; overflow: hidden;
  background: var(--dl-surface);
  border: 1px solid var(--dl-ink);
  border-radius: var(--dl-r-card);
  display: flex; flex-direction: column;
  min-height: 140px;
}
[data-design="b"] .dl-hero__chip-field {
  position: relative; flex: 1 1 auto;
  background: var(--chip-color, var(--design-b-specimen));
  overflow: hidden; min-height: 80px;
}
[data-design="b"] .dl-hero__chip-wipe {
  position: absolute; inset: 0;
  background: var(--chip-color-next, transparent);
  transform: translateX(-101%);
  transition: transform var(--dl-dur-coat) var(--dl-ease-roll);
}
[data-design="b"] .dl-hero__chip[data-transitioning="true"] .dl-hero__chip-wipe { transform: translateX(0); }
[data-design="b"] .dl-hero__chip-meta {
  padding: var(--dl-line) var(--dl-stroke);
  display: grid; gap: 2px;
  border-top: 1px solid var(--dl-border);
}
[data-design="b"] .dl-hero__chip-ref {
  font-family: var(--dl-mono); font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--dl-muted);
}
[data-design="b"] .dl-hero__chip-name {
  font-family: var(--dl-display); font-weight: 600; font-size: 14px;
  color: var(--dl-ink);
}
[data-design="b"] .dl-hero__chip-lrv {
  font-family: var(--dl-mono); font-size: 10px; color: var(--dl-ink-2);
  font-variant-numeric: tabular-nums;
}

/* ================================================================
   E6 — POINTER (immediately before #funnel)
================================================================ */

[data-design="b"] .dl-pointer {
  display: flex; justify-content: center;
  padding: clamp(40px, 8vw, 80px) 16px clamp(56px, 10vw, 96px);
  color: var(--dl-ink);
}
[data-design="b"] .dl-pointer__hit {
  position: relative;
  display: inline-flex; flex-direction: column; align-items: center;
  gap: 8px;
  text-decoration: none; color: currentColor;
}
[data-design="b"] .dl-pointer__tick {
  display: block; width: 16px; height: 1px;
  background: currentColor; opacity: 0.7;
}
[data-design="b"] .dl-pointer__rule {
  display: block; width: 1px; height: 56px;
  background: currentColor;
  transform-origin: top center;
  animation: b-pointer-extend 5s ease-in-out infinite;
}
[data-design="b"] .dl-pointer__label {
  font-family: var(--dl-mono); font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase;
  /* starts at opacity 0.7 per initial keyframe, visibly renders */
  animation: b-pointer-stamp 5s ease-in-out infinite;
}
@keyframes b-pointer-extend {
  0%, 100% { transform: scaleY(0.4); opacity: 0.4; }
  50%      { transform: scaleY(1);   opacity: 0.9; }
}
@keyframes b-pointer-stamp {
  0%, 30%, 100% { opacity: 0.45; }
  50%, 70%      { opacity: 0.9; }
}

/* ================================================================
   E5 — FUNNEL (Drawdown Specimen Builder adapted to 4-step intake)
================================================================ */

[data-design="b"] .dl-funnel {
  background: var(--dl-surface);
  border-top: 1px solid var(--dl-ink);
  border-bottom: 1px solid var(--dl-ink);
}
[data-design="b"] .dl-funnel__inner {
  max-width: 1320px; margin: 0 auto;
  padding: var(--dl-stride) clamp(var(--dl-stroke), 4vw, var(--dl-roll));
}
[data-design="b"] .rf-builder__head {
  display: flex; flex-direction: column; gap: var(--dl-line);
  margin-bottom: var(--dl-roll);
}
[data-design="b"] .rf-builder__eyebrow {
  font-family: var(--dl-mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--dl-muted);
}
[data-design="b"] .rf-builder__title {
  font-family: var(--dl-display); font-weight: 600;
  font-size: clamp(28px, 4vw, 44px); letter-spacing: -0.012em;
  color: var(--dl-ink); margin: 0;
}
[data-design="b"] .rf-builder__lede {
  font-size: 17px; color: var(--dl-ink-2); max-width: 60ch; margin: 0;
  line-height: 1.6;
}
[data-design="b"] .rf-builder {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--dl-roll);
  align-items: start;
}
/* Card first on mobile for visual anchor */
@media (max-width: 900px) {
  [data-design="b"] .rf-builder { grid-template-columns: 1fr; }
  [data-design="b"] .dl-builder__card { position: static; order: -1; }
}
[data-design="b"] .rf-builder__form {
  display: flex; flex-direction: column; gap: var(--dl-stroke);
  border: 1px solid var(--dl-ink); padding: var(--dl-coat);
  background: var(--dl-paper); border-radius: var(--dl-r-card);
  order: 1;
}
[data-design="b"] .rf-builder__field {
  border: 0; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: var(--dl-line);
}
[data-design="b"] .rf-builder__legend {
  font-family: var(--dl-mono); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--dl-ink);
  display: inline-flex; align-items: center; gap: var(--dl-line);
  padding-bottom: var(--dl-pin); border-bottom: 1px solid var(--dl-border);
  width: 100%;
}
[data-design="b"] .rf-builder__legend span {
  font-size: 11px; color: var(--dl-muted); font-weight: 600;
}
[data-design="b"] .dl-funnel__chips {
  display: flex; flex-wrap: wrap; gap: var(--dl-bristle);
}
[data-design="b"] .rf-buildchip {
  appearance: none; background: var(--dl-paper); color: var(--dl-ink);
  border: 1px solid var(--dl-border); border-radius: var(--dl-r-card);
  padding: 10px 14px; font-family: var(--dl-display); font-size: 14px;
  cursor: pointer; min-height: 44px;
  transition: background var(--dl-dur-quick) var(--dl-ease-settle),
              border-color var(--dl-dur-quick) var(--dl-ease-settle),
              transform var(--dl-dur-quick) var(--dl-ease-settle);
}
[data-design="b"] .rf-buildchip:hover { border-color: var(--dl-ink); }
[data-design="b"] .rf-buildchip[data-selected="true"] {
  background: var(--dl-ink); color: var(--dl-paper); border-color: var(--dl-ink);
  transform: translateY(-1px);
}

/* Contact fields */
[data-design="b"] .dl-funnel__contact { gap: var(--dl-stroke); }
[data-design="b"] .rf-builder__input {
  display: flex; flex-direction: column; gap: 4px;
}
[data-design="b"] .rf-builder__input span {
  font-family: var(--dl-mono); font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--dl-muted);
}
[data-design="b"] .rf-builder__input em { text-transform: none; font-style: italic; }
[data-design="b"] .rf-builder__input input,
[data-design="b"] .rf-builder__input textarea {
  appearance: none; border: 0; border-bottom: 1px solid var(--dl-border);
  background: transparent; padding: 8px 0; font-size: 16px;
  font-family: var(--dl-display); color: var(--dl-ink); width: 100%;
  transition: border-color var(--dl-dur-quick) var(--dl-ease-settle);
  resize: vertical;
}
[data-design="b"] .rf-builder__input input:focus-visible,
[data-design="b"] .rf-builder__input textarea:focus-visible {
  outline: none; border-color: var(--dl-ink);
}
[data-design="b"] .dl-funnel__submit {
  appearance: none; align-self: flex-start;
  background: var(--dl-ink); color: var(--dl-paper);
  border: 1px solid var(--dl-ink); padding: 13px 20px;
  font-family: var(--dl-display); font-weight: 600; font-size: 15px;
  cursor: pointer; border-radius: var(--dl-r-card); min-height: 44px;
  transition: transform var(--dl-dur-quick) var(--dl-ease-settle);
}
[data-design="b"] .dl-funnel__submit:hover { transform: translateY(-1px); }
[data-design="b"] .dl-funnel__submit:active { transform: translateY(1px); }

/* Sticky specimen card */
[data-design="b"] .rf-builder__card {
  position: sticky; top: 80px;
  background: var(--dl-surface); border: 1px solid var(--dl-ink);
  border-radius: var(--dl-r-card); overflow: hidden;
}
[data-design="b"] .rf-builder__card-ref {
  padding: var(--dl-line) var(--dl-stroke);
  border-bottom: 1px solid var(--dl-border);
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--dl-mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--dl-muted);
}
[data-design="b"] .rf-builder__card-stamp {
  font-family: var(--dl-mono); font-size: 10px; letter-spacing: 0.18em;
  color: var(--dl-success); border: 1px solid var(--dl-success);
  padding: 2px 8px; border-radius: 999px;
  animation: b-stamp 720ms var(--dl-ease-settle);
}
@keyframes b-stamp {
  0%   { transform: scale(1.4) rotate(-4deg); opacity: 0; }
  60%  { transform: scale(0.96) rotate(-1deg); opacity: 1; }
  100% { transform: scale(1) rotate(-2deg); opacity: 1; }
}
[data-design="b"] .rf-builder__card-field {
  position: relative; aspect-ratio: 5 / 3;
  background: var(--card-color, var(--dl-border));
  transition: background var(--dl-dur-base) var(--dl-ease-settle);
  overflow: hidden;
}
[data-design="b"] .rf-builder__card-wipe {
  position: absolute; inset: 0;
  background: var(--card-color-next, transparent);
  transform: translateX(-101%);
  transition: transform var(--dl-dur-coat) var(--dl-ease-roll);
}
[data-design="b"] .rf-builder__card[data-wiping="true"] .rf-builder__card-wipe { transform: translateX(0); }
[data-design="b"] .rf-builder__card-meta {
  padding: var(--dl-stroke); display: grid; gap: var(--dl-pin);
}
[data-design="b"] .rf-builder__card-line {
  display: grid; grid-template-columns: 80px 1fr; align-items: baseline;
  border-bottom: 1px dotted var(--dl-border); padding: 4px 0;
}
[data-design="b"] .rf-builder__card-line dt {
  font-family: var(--dl-mono); font-size: 10px; letter-spacing: 0.14em;
  color: var(--dl-muted); text-transform: uppercase;
}
[data-design="b"] .rf-builder__card-line dd {
  font-family: var(--dl-mono); font-size: 12px; color: var(--dl-ink);
  margin: 0; font-variant-numeric: tabular-nums;
}

/* Funnel trust block */
[data-design="b"] .dl-funnel__trust {
  margin-top: var(--dl-roll);
  padding-top: var(--dl-roll);
  border-top: 1px solid var(--dl-border);
  display: flex; flex-direction: column; gap: var(--dl-line);
  font-family: var(--dl-mono); font-size: 12px; letter-spacing: 0.04em;
  color: var(--dl-muted);
}
[data-design="b"] .dl-funnel__phone {
  color: var(--dl-ink); text-decoration: none; font-weight: 600;
}
[data-design="b"] .dl-funnel__phone:hover { color: var(--design-b-specimen); }

/* ================================================================
   SERVICES — Fan Deck
================================================================ */

[data-design="b"] .dl-services {
  padding: var(--dl-stride) clamp(var(--dl-stroke), 4vw, var(--dl-roll));
}
[data-design="b"] .dl-section__inner { max-width: 1320px; margin: 0 auto; }
[data-design="b"] .dl-section__head {
  display: flex; flex-direction: column; gap: var(--dl-line);
  margin-bottom: var(--dl-roll);
}
[data-design="b"] .dl-section__eyebrow {
  font-family: var(--dl-mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--dl-muted);
}
[data-design="b"] .dl-section__title {
  font-family: var(--dl-display); font-weight: 600;
  font-size: clamp(28px, 4vw, 44px); letter-spacing: -0.012em;
  color: var(--dl-ink); margin: 0;
}
[data-design="b"] .dl-fan-deck {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: var(--dl-stroke);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
[data-design="b"] .dl-fan-chip {
  background: var(--dl-surface);
  border: 1px solid var(--dl-ink);
  border-radius: var(--dl-r-card);
  display: flex; flex-direction: column;
  overflow: hidden;
  transition: transform var(--dl-dur-base) var(--dl-ease-settle);
}
[data-design="b"] .dl-fan-chip:hover { transform: translateY(-3px); }
[data-design="b"] .dl-fan-chip__band {
  height: 6px; background: var(--chip-accent, var(--design-b-specimen));
}
[data-design="b"] .dl-fan-chip__body {
  padding: var(--dl-coat);
  display: flex; flex-direction: column; gap: var(--dl-line);
  flex: 1;
}
[data-design="b"] .dl-fan-chip__ref {
  font-family: var(--dl-mono); font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--dl-muted);
}
[data-design="b"] .dl-fan-chip__name {
  font-family: var(--dl-display); font-weight: 600; font-size: 17px;
  color: var(--dl-ink); margin: 0;
}
[data-design="b"] .dl-fan-chip__desc {
  font-size: 15px; color: var(--dl-ink-2); margin: 0; line-height: 1.55;
}

/* ================================================================
   E4 — AMBIENT B — North-Light Process Panel
================================================================ */

[data-design="b"] .rf-ambient-b {
  padding: var(--dl-stride) clamp(var(--dl-stroke), 4vw, var(--dl-roll));
  background: var(--dl-paper);
}
[data-design="b"] .rf-ambient-b .dl-section__inner { max-width: 1320px; margin: 0 auto; }
[data-design="b"] .rf-northlight {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 0;
  border: 1px solid var(--dl-ink); border-radius: var(--dl-r-card);
  overflow: hidden; min-height: 360px;
}
[data-design="b"] .rf-northlight__field {
  position: relative; background: var(--nl-color, var(--design-b-specimen-2));
  overflow: hidden; min-height: 320px;
}
[data-design="b"] .rf-northlight__glow {
  position: absolute; inset: -20%;
  background: radial-gradient(
    circle at var(--nl-x, 30%) var(--nl-y, 20%),
    rgba(255, 240, 215, 0.42) 0%,
    rgba(255, 240, 215, 0.18) 22%,
    transparent 55%
  );
  animation: b-northlight-drift 22s var(--dl-ease-roll) infinite alternate;
  mix-blend-mode: screen;
}
@keyframes b-northlight-drift {
  0%   { --nl-x: 22%; --nl-y: 18%; opacity: 0.55; }
  50%  { --nl-x: 55%; --nl-y: 38%; opacity: 0.85; }
  100% { --nl-x: 82%; --nl-y: 64%; opacity: 0.60; }
}
[data-design="b"] .rf-northlight__meta {
  background: var(--dl-surface);
  padding: var(--dl-coat) var(--dl-coat) var(--dl-roll);
  border-left: 1px solid var(--dl-ink);
  display: flex; flex-direction: column; gap: var(--dl-line);
}
[data-design="b"] .rf-northlight__eyebrow {
  font-family: var(--dl-mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--dl-muted);
}
[data-design="b"] .rf-northlight__title {
  font-family: var(--dl-display); font-weight: 600;
  font-size: clamp(24px, 3vw, 36px); letter-spacing: -0.012em;
  color: var(--dl-ink); margin: 0;
}
[data-design="b"] .rf-northlight__body {
  font-size: 16px; line-height: 1.6; color: var(--dl-ink-2); margin: 0;
  max-width: 38ch;
}
[data-design="b"] .rf-northlight__readout {
  display: grid; grid-template-columns: 70px 1fr; gap: 4px var(--dl-line);
  margin: var(--dl-stroke) 0 0; padding-top: var(--dl-stroke);
  border-top: 1px solid var(--dl-border);
}
[data-design="b"] .rf-northlight__readout dt {
  font-family: var(--dl-mono); font-size: 10px; letter-spacing: 0.14em;
  color: var(--dl-muted); text-transform: uppercase; align-self: start;
  padding-top: 2px;
}
[data-design="b"] .rf-northlight__readout dd {
  font-family: var(--dl-mono); font-size: 12px; color: var(--dl-ink);
  margin: 0;
}

/* ================================================================
   GALLERY — Real project photos
================================================================ */

[data-design="b"] .dl-gallery {
  padding: var(--dl-stride) clamp(var(--dl-stroke), 4vw, var(--dl-roll));
  background: var(--dl-surface);
  border-top: 1px solid var(--dl-border);
}
[data-design="b"] .dl-gallery__grid {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: var(--dl-coat);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
[data-design="b"] .dl-gallery__item img {
  display: block; width: 100%; height: 260px; object-fit: cover;
  border: 1px solid var(--dl-ink); border-radius: var(--dl-r-card);
  transition: transform var(--dl-dur-base) var(--dl-ease-settle);
}
[data-design="b"] .dl-gallery__item:hover img { transform: scale(1.01); }
[data-design="b"] .dl-gallery__cta {
  margin-top: var(--dl-roll); display: flex; justify-content: flex-start;
}

/* ================================================================
   ABOUT
================================================================ */

[data-design="b"] .dl-about {
  padding: var(--dl-stride) clamp(var(--dl-stroke), 4vw, var(--dl-roll));
  background: var(--dl-paper);
  border-top: 1px solid var(--dl-border);
}
[data-design="b"] .dl-about__inner {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: var(--dl-roll);
  align-items: start;
}
[data-design="b"] .dl-about__quote {
  font-family: var(--dl-display); font-size: clamp(22px, 3.5vw, 36px);
  font-weight: 600; line-height: 1.2; letter-spacing: -0.01em;
  color: var(--dl-ink); margin: 0;
  border-left: 3px solid var(--design-b-specimen);
  padding-left: var(--dl-coat);
  font-style: normal;
}
[data-design="b"] .dl-about__bio {
  display: flex; flex-direction: column; gap: var(--dl-coat);
}
[data-design="b"] .dl-about__bio p {
  font-size: 17px; line-height: 1.65; color: var(--dl-ink-2); margin: 0;
  max-width: 60ch;
}
[data-design="b"] .dl-about__creds {
  display: flex; flex-wrap: wrap; gap: var(--dl-bristle);
}
[data-design="b"] .dl-about__cred-chip {
  font-family: var(--dl-mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--dl-ink);
  border: 1px solid var(--dl-border); padding: 4px 10px;
  border-radius: var(--dl-r-pill); white-space: nowrap;
}

/* ================================================================
   SERVICE AREA
================================================================ */

[data-design="b"] .dl-area {
  padding: var(--dl-stride) clamp(var(--dl-stroke), 4vw, var(--dl-roll));
  background: var(--dl-surface);
  border-top: 1px solid var(--dl-border);
}
[data-design="b"] .dl-area__body {
  font-size: 18px; color: var(--dl-ink-2); margin: 0 0 var(--dl-coat);
  max-width: 60ch; line-height: 1.6;
}
[data-design="b"] .dl-area__contact {
  font-family: var(--dl-mono); font-size: 14px; letter-spacing: 0.04em;
  color: var(--dl-muted); margin: 0;
}
[data-design="b"] .dl-area__phone,
[data-design="b"] .dl-area__email {
  color: var(--dl-ink); text-decoration: none;
}
[data-design="b"] .dl-area__phone:hover,
[data-design="b"] .dl-area__email:hover { color: var(--design-b-specimen); }

/* ================================================================
   FOOTER
================================================================ */

[data-design="b"] .dl-footer {
  background: var(--dl-ink);
  border-top: 1px solid var(--dl-ink);
  color: var(--dl-paper);
}
[data-design="b"] .dl-footer__inner {
  max-width: 1320px; margin: 0 auto;
  padding: var(--dl-stride) clamp(var(--dl-stroke), 4vw, var(--dl-roll));
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--dl-roll);
}
[data-design="b"] .dl-footer__name {
  display: block; font-family: var(--dl-display); font-weight: 600;
  font-size: 17px; margin-bottom: var(--dl-line);
}
[data-design="b"] .dl-footer__lic {
  display: block; font-family: var(--dl-mono); font-size: 11px;
  letter-spacing: 0.08em; color: color-mix(in oklab, var(--dl-paper), transparent 30%);
  margin-bottom: 4px;
}
[data-design="b"] .dl-footer__label {
  display: block; font-family: var(--dl-mono); font-size: 10px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: color-mix(in oklab, var(--dl-paper), transparent 50%);
  margin-bottom: var(--dl-line);
}
[data-design="b"] .dl-footer__link {
  display: block; color: var(--dl-paper); text-decoration: none;
  font-size: 15px; margin-bottom: 6px; min-height: 44px;
  display: flex; align-items: center;
}
[data-design="b"] .dl-footer__link:hover { color: var(--design-b-specimen-3); }
[data-design="b"] .dl-footer__city {
  display: block; font-family: var(--dl-mono); font-size: 11px;
  color: color-mix(in oklab, var(--dl-paper), transparent 40%);
  margin-top: var(--dl-line);
}
[data-design="b"] .dl-footer__bottom {
  border-top: 1px solid color-mix(in oklab, var(--dl-paper), transparent 80%);
  padding: var(--dl-coat) clamp(var(--dl-stroke), 4vw, var(--dl-roll));
  max-width: 1320px; margin: 0 auto;
}
[data-design="b"] .dl-footer__copy {
  font-family: var(--dl-mono); font-size: 11px; letter-spacing: 0.06em;
  color: color-mix(in oklab, var(--dl-paper), transparent 50%);
}

/* ================================================================
   MOBILE — NO HORIZONTAL SCROLL
   SCOPED to .dq-design per contract.
================================================================ */
[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;
}

/* ================================================================
   RESPONSIVE BREAKPOINTS
================================================================ */

@media (max-width: 900px) {
  [data-design="b"] .dl-hero__content {
    flex-direction: column; align-items: flex-start;
  }
  [data-design="b"] .dl-hero__specimens { display: none; }
  [data-design="b"] .dl-about__inner { grid-template-columns: 1fr; }
  [data-design="b"] .dl-footer__inner { grid-template-columns: 1fr; }
  [data-design="b"] .rf-northlight { grid-template-columns: 1fr; }
  [data-design="b"] .rf-northlight__meta { border-left: 0; border-top: 1px solid var(--dl-ink); }
}

@media (max-width: 768px) {
  [data-design="b"] .dl-hero {
    min-height: clamp(560px, 90vh, 700px);
    align-items: flex-end;
    padding-bottom: 0;
  }
  [data-design="b"] .dl-hero__content {
    padding: var(--dl-roll) clamp(var(--dl-stroke), 4vw, var(--dl-coat));
    padding-top: var(--dl-stride);
  }
  [data-design="b"] .dl-fan-deck { grid-template-columns: 1fr; }
  [data-design="b"] .dl-gallery__grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  [data-design="b"] .rf-logo__ref { display: none; }
  [data-design="b"] .rf-logo__mark { font-size: 17px; }
  [data-design="b"] .rf-header__bar { padding: var(--dl-line) var(--dl-stroke); }
}

@media (max-width: 390px) {
  [data-design="b"] .rf-builder__form { padding: var(--dl-stroke); }
  [data-design="b"] .dl-funnel__inner { padding: var(--dl-roll) var(--dl-stroke); }
  [data-design="b"] .dl-services { padding: var(--dl-roll) var(--dl-stroke); }
  [data-design="b"] .dl-about { padding: var(--dl-roll) var(--dl-stroke); }
  [data-design="b"] .dl-gallery { padding: var(--dl-roll) var(--dl-stroke); }
  [data-design="b"] .rf-ambient-b { padding: var(--dl-roll) var(--dl-stroke); }
  [data-design="b"] .dl-area { padding: var(--dl-roll) var(--dl-stroke); }
}

/* ================================================================
   REDUCED MOTION
================================================================ */
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .rf-light-rule__band { animation: none; background-position: 50% 50%; }
  [data-design="b"] .rf-drawer { animation: none; }
  [data-design="b"] .rf-burger__line { transition: none; }
  [data-design="b"] .rf-cta { animation: none; }
  [data-design="b"] .rf-cta__sheen { display: none; }
  [data-design="b"] .dl-hero__wash { animation: none; background-position: 40% 60%; opacity: 0.6; }
  [data-design="b"] .dl-hero__chip-wipe { transition: none; }
  [data-design="b"] .dl-pointer__rule { animation: none; opacity: 0.7; }
  [data-design="b"] .dl-pointer__label { animation: none; opacity: 0.7; }
  [data-design="b"] .rf-northlight__glow { animation-play-state: paused; }
  [data-design="b"] .rf-builder__card-wipe { transition: none; }
  [data-design="b"] .rf-builder__card-stamp { animation: none; }
  [data-design="b"] .rf-builder__card-field { transition: none; }
}

/* 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; }