/* ================================================================
   Raking Light × Painting Charlotte — Design SLOT B
   All selectors scoped to [data-design="b"].dq-design or
   [data-design="b"] descendants. NO bare [data-design] rules.
   Remapped from [data-design="b"] → [data-design="b"].
   ================================================================ */

/* ── Token scope ─────────────────────────────────────────────── */
[data-design="b"] {
  /* Site B distinction: dark-ground hero, inverted light register */
  /* Ground & surface — dark variant */
  --rkb-ground-dk:     #181613;
  --rkb-surface-dk:    #211E19;
  --rkb-surface-sunk-dk:#100E0B;

  /* Light-register ground for below-hero sections */
  --rkb-ground:        #F1ECE3;
  --rkb-surface:       #FAF6EE;
  --rkb-surface-sunk:  #E5DDCE;

  /* Ink ramp */
  --rkb-ink:           #221F19;
  --rkb-ink-lt:        #EFE8D9;  /* text on dark ground */
  --rkb-ink-2:         #3A352B;
  --rkb-muted:         #6E6656;
  --rkb-muted-lt:      #A79C87;
  --rkb-faint:         #968C78;

  /* Light↔shadow engine */
  --rkb-shadow:        #8C8475;
  --rkb-shadow-wash:   #C9C2B2;
  --rkb-shadow-wash-dk:#2E2A22;  /* dark version */
  --rkb-light:         #F6E3BD;
  --rkb-light-wash:    #FBEFD2;
  --rkb-light-wash-dk: #3A3020;

  /* Material tints */
  --rkb-stone:         #D9D0BE;
  --rkb-stone-dk:      #2A261E;
  --rkb-oak:           #C39A5E;
  --rkb-oak-deep:      #936B3A;

  /* Lines */
  --rkb-line:          #D8CDB8;
  --rkb-line-dk:       #38332A;

  /* Accents (TWO max — bronze + slate) */
  --rkb-bronze:        #9A6E36;
  --rkb-bronze-dk:     #C79A53;  /* brighter on dark ground */
  --rkb-bronze-ink:    #FBF3E2;
  --rkb-slate:         #5C6B70;

  /* Semantic */
  --rkb-critical:      #A8412A;
  --rkb-success:       #5E6A3F;

  /* Design-slot primary alias */
  --design-b-primary:  var(--rkb-bronze);

  /* Typography */
  --rkb-font-display:  "Schibsted Grotesk", "Inter Tight", "Neue Haas Grotesk Display",
                       "Helvetica Neue", Arial, sans-serif;
  --rkb-font-body:     "Hanken Grotesk", "Inter", -apple-system, BlinkMacSystemFont,
                       "Segoe UI", system-ui, sans-serif;
  --rkb-font-mono:     "JetBrains Mono", "IBM Plex Mono", ui-monospace, Menlo, monospace;

  --rkb-t-meta:  12px;
  --rkb-t-cap:   14px;
  --rkb-t-body:  17px;
  --rkb-t-lead:  21px;
  --rkb-t-h3:    26px;
  --rkb-t-h2:    clamp(30px, 4.6vw, 46px);
  --rkb-t-h1:    clamp(36px, 7vw, 72px);

  --rkb-lh-body:  1.6;
  --rkb-lh-tight: 1.06;
  --rkb-track-display: -0.018em;
  --rkb-track-kicker:  0.16em;

  /* Spacing (8px base) */
  --rkb-hairline: 4px;
  --rkb-trim:     8px;
  --rkb-pad:     16px;
  --rkb-stack:   24px;
  --rkb-bay:     40px;
  --rkb-room:    64px;
  --rkb-storey:  96px;
  --rkb-wing:   128px;

  /* Motion */
  --rkb-dur-touch:  150ms;
  --rkb-dur-lift:   420ms;
  --rkb-dur-rake:   720ms;
  --rkb-dur-swap:   1000ms;
  --rkb-ease-seat:  cubic-bezier(0.22, 0.61, 0.36, 1);
  --rkb-ease-rake:  cubic-bezier(0.16, 0.84, 0.34, 1);
  --rkb-ease-draw:  cubic-bezier(0.65, 0, 0.35, 1);
  --rkb-cyc-rake:   11s;
  --rkb-cyc-graze:  17s;
  --rkb-cyc-breath: 5s;

  /* Radius */
  --rkb-r-trim: 3px;
  --rkb-r-spec: 6px;
  --rkb-r-pill: 999px;

  /* Elevation — directional cast shadow */
  --rkb-elev-flush:  inset 0 0 0 1px var(--rkb-line);
  --rkb-elev-lit:    inset 0 1px 0 0 color-mix(in oklab, var(--rkb-light) 70%, var(--rkb-surface)),
                     14px 18px 30px -22px rgba(34,31,25,0.50),
                     0 0 0 1px var(--rkb-line);
  --rkb-elev-seated: inset 0 2px 6px -2px rgba(34,31,25,0.30),
                     inset 0 0 0 1px var(--rkb-line);
  --rkb-elev-tray:   28px 40px 64px -34px rgba(34,31,25,0.58),
                     0 0 0 1px var(--rkb-line);
  --rkb-elev-lit-dk: inset 0 1px 0 0 color-mix(in oklab, var(--rkb-light) 40%, var(--rkb-surface-dk)),
                     14px 18px 30px -22px rgba(0,0,0,0.70),
                     0 0 0 1px var(--rkb-line-dk);
}

/* ── Mobile no-hscroll safety (dq-design scoped, never bare [data-design]) ── */
[data-design="b"].dq-design,
[data-design="b"] .dq-design {
  max-width: 100%;
  overflow-x: clip;
}
[data-design="b"].dq-design * { min-width: 0; }
[data-design="b"].dq-design img,
[data-design="b"].dq-design svg:not([data-keep-size]) {
  max-width: 100%;
  height: auto;
}

/* ── Base article ────────────────────────────────────────────── */
[data-design="b"].dq-design {
  font-family: var(--rkb-font-body);
  font-size: var(--rkb-t-body);
  line-height: var(--rkb-lh-body);
  color: var(--rkb-ink);
  background: var(--rkb-ground);
  box-sizing: border-box;
}

/* ── Shared inner container ──────────────────────────────────── */
[data-design="b"] .rkb-section__inner {
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(16px, 5vw, 64px);
  box-sizing: border-box;
}

/* ── Kicker ──────────────────────────────────────────────────── */
[data-design="b"] .rkb-kicker {
  font-family: var(--rkb-font-mono);
  font-size: var(--rkb-t-meta);
  text-transform: uppercase;
  letter-spacing: var(--rkb-track-kicker);
  color: var(--rkb-bronze);
  margin: 0 0 var(--rkb-trim);
}

/* ================================================================
   E1 — HEADER
   ================================================================ */
[data-design="b"] .rk-header {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in oklab, var(--rkb-ground-dk) 92%, transparent);
  backdrop-filter: blur(8px) saturate(1.03); /* motion-exception: backdrop-filter on sticky header is layout-safe; not animating this property */
  border-bottom: 1px solid var(--rkb-line-dk);
  overflow: clip;
}
[data-design="b"] .rk-header__bar {
  max-width: 1280px; margin-inline: auto;
  padding: var(--rkb-pad) clamp(16px, 4vw, 40px);
  display: flex; align-items: center; justify-content: space-between;
  box-sizing: border-box;
}
[data-design="b"] .rk-logo { text-decoration: none; }
[data-design="b"] .rk-logo__mark {
  font-family: var(--rkb-font-display); font-weight: 700;
  font-size: clamp(19px, 2.4vw, 24px);
  letter-spacing: var(--rkb-track-display);
  color: var(--rkb-ink-lt);
}

/* header rake band on dark ground */
[data-design="b"] .rk-header__rake {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.5;
  background: linear-gradient(100deg,
    transparent 0%,
    color-mix(in oklab, var(--rkb-shadow-wash-dk) 30%, transparent) 30%,
    color-mix(in oklab, var(--rkb-bronze-dk) 18%, transparent) 50%,
    transparent 72%);
  background-size: 240% 100%;
  animation: rkb-header-rake 24s ease-in-out infinite;
}
/* lit bronze hairline draws in on first paint */
[data-design="b"] .rk-header__line {
  position: absolute; left: 0; bottom: 0; height: 2px; width: 100%;
  background: linear-gradient(90deg,
    transparent 0%, var(--rkb-bronze-dk) 18%,
    var(--rkb-light) 52%, var(--rkb-bronze-dk) 84%, transparent 100%);
  transform-origin: left center; transform: scaleX(0);
  animation: rkb-line-draw var(--rkb-dur-rake) var(--rkb-ease-rake) 140ms forwards;
}
@keyframes rkb-header-rake {
  0%   { background-position: 130% 0; opacity: 0.38; }
  50%  { background-position: -30% 0; opacity: 0.58; }
  100% { background-position: 130% 0; opacity: 0.38; }
}
@keyframes rkb-line-draw { to { transform: scaleX(1); } }

/* hamburger */
[data-design="b"] .rk-burger {
  display: grid; gap: 5px; width: 44px; height: 44px; padding: 11px;
  background: transparent;
  border: 1px solid var(--rkb-line-dk);
  border-radius: var(--rkb-r-trim);
  cursor: pointer; box-sizing: border-box;
}
[data-design="b"] .rk-burger span {
  height: 2px; background: var(--rkb-ink-lt);
  transition: transform var(--rkb-dur-lift) var(--rkb-ease-seat),
              opacity var(--rkb-dur-touch) linear;
}
[data-design="b"] .rk-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
[data-design="b"] .rk-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
[data-design="b"] .rk-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Tray drawer */
[data-design="b"] .rk-tray { position: fixed; inset: 0; z-index: 70; visibility: hidden; }
[data-design="b"] .rk-tray[data-open="true"] { visibility: visible; }
[data-design="b"] .rk-tray__scrim {
  position: absolute; inset: 0;
  background: color-mix(in oklab, var(--rkb-ink) 48%, transparent);
  opacity: 0; transition: opacity var(--rkb-dur-rake) var(--rkb-ease-draw);
}
[data-design="b"] .rk-tray[data-open="true"] .rk-tray__scrim { opacity: 1; }
[data-design="b"] .rk-tray__panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: min(420px, 86vw); box-sizing: border-box;
  background: var(--rkb-surface); box-shadow: var(--rkb-elev-tray);
  border-left: 2px solid var(--rkb-bronze);
  padding: clamp(24px, 6vw, 56px) clamp(20px, 5vw, 40px) var(--rkb-bay);
  transform: translateX(101%);
  transition: transform var(--rkb-dur-rake) var(--rkb-ease-rake);
  overflow-y: auto;
}
[data-design="b"] .rk-tray[data-open="true"] .rk-tray__panel { transform: translateX(0); }
[data-design="b"] .rk-tray__x {
  position: absolute; top: 14px; right: 16px; width: 44px; height: 44px;
  font-size: 28px; line-height: 1;
  background: none; border: none; color: var(--rkb-ink); cursor: pointer;
}
[data-design="b"] .rk-tray__nav {
  display: grid; gap: var(--rkb-stack);
  margin-block: var(--rkb-bay);
}
[data-design="b"] .rk-tray__nav a {
  font-family: var(--rkb-font-display); font-weight: 600;
  font-size: clamp(26px, 6.5vw, 40px);
  color: var(--rkb-ink); text-decoration: none;
  display: flex; align-items: baseline; gap: var(--rkb-pad);
  border-bottom: 1px solid var(--rkb-line);
  padding-bottom: var(--rkb-trim);
}
[data-design="b"] .rk-tray__nav a i {
  font-family: var(--rkb-font-mono); font-style: normal;
  font-size: var(--rkb-t-meta); color: var(--rkb-bronze);
  letter-spacing: 0.1em;
}
[data-design="b"] .rk-tray__acts { display: flex; gap: var(--rkb-stack); flex-wrap: wrap; }

@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .rk-header__rake { animation: none; opacity: 0.4; }
  [data-design="b"] .rk-header__line { transform: scaleX(1); animation: none; }
  [data-design="b"] .rk-tray__panel,
  [data-design="b"] .rk-tray__scrim { transition: none; }
}
@media (max-width: 560px) {
  [data-design="b"] .rk-header__bar { padding: var(--rkb-trim) var(--rkb-pad); }
}

/* ================================================================
   E3 + HERO — dark-ground variant (Site B visual distinction)
   isolation:isolate on section; lockup z-index:2 above all backdrops.
   ================================================================ */
[data-design="b"] .rkb-hero {
  position: relative;
  overflow: clip;
  isolation: isolate; /* HARD: hero text container topmost paint */
  min-height: clamp(520px, 80vh, 860px);
  display: grid; align-items: center;
  padding: var(--rkb-wing) clamp(16px, 5vw, 64px) var(--rkb-storey);
  box-sizing: border-box;
  background: var(--rkb-ground-dk); /* Site B: dark ground — distinct from Site A */
}
/* all backdrop/ambient layers: pointer-events:none, z-index:0 or -1 */
[data-design="b"] .rkb-hero__bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
}
/* shadowed base plane — always visible at first paint (≥0.25 opacity) */
[data-design="b"] .rkb-hero__plane {
  position: absolute; inset: 0;
  background: radial-gradient(
    110% 90% at 68% 38%,
    color-mix(in oklab, var(--rkb-shadow-wash-dk) 80%, transparent) 0%,
    var(--rkb-ground-dk) 70%
  );
  opacity: 0.9;
}
/* wet-edge color-wash advance: paint trade transformation motif */
/* drawn as clip-path wipe from right to fill — left edge = paint front */
[data-design="b"] .rkb-hero__wash {
  position: absolute; inset: 0;
  background: linear-gradient(
    118deg,
    color-mix(in oklab, var(--rkb-bronze) 22%, var(--rkb-ground-dk)) 0%,
    color-mix(in oklab, var(--rkb-light-wash-dk) 55%, var(--rkb-ground-dk)) 45%,
    var(--rkb-ground-dk) 85%
  );
  clip-path: inset(0 100% 0 0);
  animation: rkb-wash-advance 1.4s var(--rkb-ease-rake) 0.2s forwards;
  opacity: 0.7;
}
@keyframes rkb-wash-advance {
  0%   { clip-path: inset(0 100% 0 0); }
  100% { clip-path: inset(0 0% 0 0); }
}
/* slow warm graze keeps surface alive — ≥15% lightness delta, 11s cycle */
[data-design="b"] .rkb-hero__graze {
  position: absolute; inset: 0;
  background: radial-gradient(
    130% 100% at 72% 25%,
    color-mix(in oklab, var(--rkb-bronze-dk) 35%, transparent) 0%,
    transparent 60%
  );
  mix-blend-mode: screen;
  opacity: 0.38;
  animation: rkb-graze-warm var(--rkb-cyc-rake) ease-in-out 1s infinite;
}
@keyframes rkb-graze-warm {
  0%,100% { opacity: 0.25; }
  50%     { opacity: 0.48; }
}
/* SVG spec specimen on dark ground */
[data-design="b"] .rkb-hero__spec {
  position: absolute; right: clamp(-24px, -1vw, 0px); bottom: 6%;
  width: min(48vw, 480px); height: auto; max-width: 100%;
  opacity: 0.45; z-index: 0; pointer-events: none;
}
[data-design="b"] .rkb-spec__edge {
  /* draw-in via scaleX from left — avoids animating width (layout prop) */
  transform-origin: left center;
  transform: scaleX(0);
  animation: rkb-edge-advance 2.2s var(--rkb-ease-rake) 0.5s forwards;
}
@keyframes rkb-edge-advance {
  0%   { transform: scaleX(0); }
  100% { transform: scaleX(1); }
}
[data-design="b"] .rkb-spec__leader {
  stroke-dasharray: 220; stroke-dashoffset: 220;
  animation: rkb-spec-draw 1s var(--rkb-ease-rake) 0.7s forwards;
}
[data-design="b"] .rkb-spec__code {
  opacity: 0;
  animation: rkb-spec-show 0.6s linear 1.5s forwards;
}
@keyframes rkb-spec-draw { to { stroke-dashoffset: 0; } }
@keyframes rkb-spec-show { to { opacity: 1; } }

/* Hero text lockup — z-index:2 ABOVE every backdrop layer */
[data-design="b"] .rkb-hero__lockup {
  position: relative;
  z-index: 2; /* HARD: topmost paint — above bg (z-index:0), graze (z-index:0), spec (z-index:0) */
  max-width: 58ch;
}
[data-design="b"] .rkb-hero__h {
  font-family: var(--rkb-font-display); font-weight: 700;
  font-size: var(--rkb-t-h1);
  line-height: var(--rkb-lh-tight);
  letter-spacing: var(--rkb-track-display);
  color: var(--rkb-ink-lt);   /* light text on dark ground */
  margin: 0;
  text-wrap: balance;
}
[data-design="b"] .rkb-hero__sub {
  font-size: var(--rkb-t-lead);
  color: var(--rkb-muted-lt);
  margin: var(--rkb-pad) 0 0;
  max-width: 46ch;
  line-height: 1.45;
}
[data-design="b"] .rkb-hero__proof {
  font-family: var(--rkb-font-mono);
  font-size: var(--rkb-t-cap);
  color: var(--rkb-muted-lt);
  margin: var(--rkb-stack) 0 var(--rkb-bay);
  display: flex; align-items: center; gap: var(--rkb-trim);
  flex-wrap: wrap;
}
[data-design="b"] .rkb-spec {
  font-family: var(--rkb-font-mono);
  font-size: var(--rkb-t-meta);
  color: var(--rkb-ink-lt);
  border: 1px solid var(--rkb-line-dk);
  border-radius: var(--rkb-r-pill);
  padding: 3px 11px;
  display: inline-block;
  letter-spacing: 0.04em;
}
[data-design="b"] .rkb-spec--cert {
  color: var(--rkb-bronze-dk);
  background: color-mix(in oklab, var(--rkb-bronze-dk) 14%, transparent);
  border-color: color-mix(in oklab, var(--rkb-bronze-dk) 45%, var(--rkb-line-dk));
}

@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .rkb-hero__wash {
    clip-path: inset(0 0% 0 0);
    animation: none;
  }
  [data-design="b"] .rkb-hero__graze { animation: none; opacity: 0.38; }
  [data-design="b"] .rkb-spec__edge { width: 350px; animation: none; }
  [data-design="b"] .rkb-spec__leader { stroke-dashoffset: 0; animation: none; }
  [data-design="b"] .rkb-spec__code { opacity: 1; animation: none; }
}
@media (max-width: 768px) {
  [data-design="b"] .rkb-hero__spec { width: 80vw; opacity: 0.28; }
  [data-design="b"] .rkb-hero { min-height: 62vh; padding-top: var(--rkb-storey); }
}
@media (max-width: 390px) {
  [data-design="b"] .rkb-hero__sub { font-size: var(--rkb-t-body); }
}

/* ================================================================
   LEVER (button/CTA) — shared across slots
   ================================================================ */
[data-design="b"] .rkb-lever {
  display: inline-flex; align-items: center; gap: var(--rkb-trim);
  font-family: var(--rkb-font-body); font-weight: 600;
  font-size: var(--rkb-t-body);
  padding: 14px 22px;
  border-radius: var(--rkb-r-trim);
  text-decoration: none;
  cursor: pointer; box-sizing: border-box;
  min-height: 48px;
  border: none;
  transition: transform var(--rkb-dur-touch) var(--rkb-ease-seat),
              box-shadow var(--rkb-dur-touch) var(--rkb-ease-seat),
              color var(--rkb-dur-lift) var(--rkb-ease-rake);
}
[data-design="b"] .rkb-lever--primary {
  background: var(--rkb-ink);
  color: var(--rkb-surface);
  box-shadow: var(--rkb-elev-lit), inset 0 -2px 0 0 var(--rkb-bronze);
}
[data-design="b"] .rkb-lever--quiet {
  background: transparent;
  color: var(--rkb-ink);
  box-shadow: inset 0 0 0 1px var(--rkb-line);
}
/* CTA rake effect */
[data-design="b"] .rkb-cta {
  position: relative; overflow: clip; isolation: isolate;
  animation: rkb-cta-breath var(--rkb-cyc-breath) var(--rkb-ease-draw) infinite;
}
[data-design="b"] .rkb-cta__rake {
  position: absolute; inset: 0; z-index: -1;
  transform: translateX(-101%);
  background: linear-gradient(100deg,
    transparent 0%,
    color-mix(in oklab, var(--rkb-bronze) 90%, var(--rkb-ink)) 40%,
    color-mix(in oklab, var(--rkb-light) 75%, var(--rkb-bronze)) 60%,
    transparent 100%);
  transition: transform var(--rkb-dur-rake) var(--rkb-ease-rake);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rkb-cta:hover .rkb-cta__rake,
  [data-design="b"] .rkb-cta:focus-visible .rkb-cta__rake { transform: translateX(0); }
  [data-design="b"] .rkb-cta:hover { color: var(--rkb-bronze-ink); }
  [data-design="b"] .rkb-lever--quiet:hover {
    box-shadow: inset 0 0 0 1px var(--rkb-bronze);
    color: var(--rkb-bronze);
  }
}
[data-design="b"] .rkb-cta:active {
  transform: translateY(1px);
  box-shadow: var(--rkb-elev-seated);
}
[data-design="b"] .rkb-cta:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--rkb-ground), 0 0 0 4px var(--rkb-bronze);
}
[data-design="b"] .rkb-cta__wedge {
  display: inline-grid; place-items: center; color: var(--rkb-bronze);
  transition: transform var(--rkb-dur-lift) var(--rkb-ease-seat);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rkb-cta:hover .rkb-cta__wedge {
    transform: translateX(4px); color: var(--rkb-bronze-ink);
  }
}
@keyframes rkb-cta-breath {
  0%,100% { box-shadow: var(--rkb-elev-lit), inset 0 -2px 0 0 var(--rkb-bronze); }
  50%     { box-shadow: var(--rkb-elev-lit), inset 0 -2px 0 0 var(--rkb-bronze),
                        inset 0 1px 0 0 color-mix(in oklab, var(--rkb-light) 70%, transparent); }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .rkb-cta { animation: none; }
  [data-design="b"] .rkb-cta__rake,
  [data-design="b"] .rkb-cta__wedge { transition: none; }
}

/* ================================================================
   E6 — POINTER
   Static bbox: leader 64px + chev 12px + gap 8px + label ~20px = ~104px
   opacity:1 at rest, never reveal-gated.
   ================================================================ */
[data-design="b"] .rkb-pointer {
  position: relative; z-index: 3;
  display: flex; flex-direction: column; align-items: center;
  gap: var(--rkb-trim);
  margin: 0 auto var(--rkb-room);
  padding-top: var(--rkb-bay);
  width: max-content; max-width: 100%;
  color: var(--rkb-bronze);
  cursor: pointer;
  opacity: 1; /* HARD: never opacity:0, never reveal-gated */
}
[data-design="b"] .rkb-pointer__leader {
  position: relative; width: 2px; height: 64px; overflow: hidden;
  background: linear-gradient(
    var(--rkb-bronze),
    color-mix(in oklab, var(--rkb-bronze) 30%, transparent)
  );
}
/* light traveling down the leader on 5s breath cycle */
/* positioned at top:0 in the overflow:hidden leader; translateY moves it */
[data-design="b"] .rkb-pointer__beam {
  position: absolute; left: -2px; right: -2px; top: 0; height: 40%;
  background: linear-gradient(var(--rkb-light), transparent);
  filter: blur(1px);
  transform: translateY(-100%);
  animation: rkb-pointer-travel var(--rkb-cyc-breath) var(--rkb-ease-rake) infinite;
}
@keyframes rkb-pointer-travel {
  0%   { transform: translateY(-100%); opacity: 0; }
  20%  { opacity: 1; }
  100% { transform: translateY(300%);  opacity: 0; }
}
[data-design="b"] .rkb-pointer__chev {
  display: grid; place-items: center; color: var(--rkb-bronze);
}
[data-design="b"] .rkb-pointer__label {
  font-family: var(--rkb-font-mono);
  font-size: var(--rkb-t-meta);
  letter-spacing: var(--rkb-track-kicker);
  text-transform: uppercase;
  color: var(--rkb-muted);
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .rkb-pointer__beam { animation: none; top: 8%; opacity: 0.8; }
}
@media (max-width: 560px) {
  [data-design="b"] .rkb-pointer { padding-top: var(--rkb-pad); }
  [data-design="b"] .rkb-pointer__leader { height: 48px; }
}

/* ================================================================
   E5 — FUNNEL (4-step qualifying intake)
   ================================================================ */
[data-design="b"] .rkb-funnel {
  padding: var(--rkb-storey) clamp(16px, 5vw, 64px);
  background: var(--rkb-ground);
  box-sizing: border-box; overflow: clip;
}
[data-design="b"] .rkb-funnel__frame {
  max-width: 720px; margin-inline: auto;
  background: var(--rkb-surface);
  border-radius: var(--rkb-r-spec);
  box-shadow: var(--rkb-elev-lit);
  padding: clamp(20px, 5vw, var(--rkb-bay));
  box-sizing: border-box;
}
[data-design="b"] .rkb-funnel__h {
  font-family: var(--rkb-font-display); font-weight: 700;
  font-size: var(--rkb-t-h2);
  letter-spacing: var(--rkb-track-display);
  color: var(--rkb-ink);
  margin: 0 0 var(--rkb-pad);
  text-wrap: balance;
}
/* progress bar */
[data-design="b"] .rkb-funnel__bar {
  position: relative; height: 4px;
  border-radius: var(--rkb-r-pill);
  background: var(--rkb-surface-sunk);
  margin-bottom: var(--rkb-bay);
}
[data-design="b"] .rkb-funnel__fill {
  /* Full-width element, scaleX to fill — avoids animating width (layout prop) */
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 100%;
  transform-origin: left center;
  transform: scaleX(var(--p, 0.25));
  background: linear-gradient(90deg, var(--rkb-bronze), var(--rkb-light));
  border-radius: var(--rkb-r-pill);
  transition: transform var(--rkb-dur-rake) var(--rkb-ease-rake);
}
[data-design="b"] .rkb-funnel__count {
  position: absolute; right: 0; top: 10px;
  font-family: var(--rkb-font-mono);
  font-size: var(--rkb-t-meta); color: var(--rkb-muted);
}
[data-design="b"] .rkb-funnel__count b { color: var(--rkb-bronze); }

/* steps */
[data-design="b"] .rkb-step { border: 0; margin: 0; padding: 0; }
[data-design="b"] .rkb-step:not([hidden]) {
  animation: rkb-step-seat var(--rkb-dur-rake) var(--rkb-ease-seat);
}
@keyframes rkb-step-seat {
  from { opacity: 0.6; transform: translateY(10px); }
  to   { opacity: 1;   transform: none; }
}
[data-design="b"] .rkb-step__q {
  font-family: var(--rkb-font-display); font-weight: 600;
  font-size: var(--rkb-t-h3);
  color: var(--rkb-ink);
  margin-bottom: var(--rkb-stack); padding: 0;
}
/* option specimens */
[data-design="b"] .rkb-opts {
  display: grid; gap: var(--rkb-trim);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 160px), 1fr));
}
[data-design="b"] .rkb-opt {
  position: relative; overflow: clip; isolation: isolate;
  text-align: left;
  display: flex; align-items: center; gap: var(--rkb-pad);
  min-height: 56px;
  font-family: var(--rkb-font-body); font-size: var(--rkb-t-body);
  color: var(--rkb-ink);
  background: var(--rkb-surface);
  border: 1px solid var(--rkb-line);
  border-radius: var(--rkb-r-trim);
  padding: 14px var(--rkb-pad);
  cursor: pointer; box-sizing: border-box;
  box-shadow: var(--rkb-elev-flush);
  transition: transform var(--rkb-dur-touch) var(--rkb-ease-seat),
              box-shadow var(--rkb-dur-lift) var(--rkb-ease-seat),
              border-color var(--rkb-dur-touch) linear;
}
[data-design="b"] .rkb-opt i {
  font-family: var(--rkb-font-mono); font-style: normal;
  font-size: var(--rkb-t-cap);
  width: 28px; height: 28px;
  display: grid; place-items: center; flex: none;
  color: var(--rkb-bronze);
  border: 1px solid var(--rkb-line);
  border-radius: var(--rkb-r-pill);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rkb-opt:hover {
    box-shadow: var(--rkb-elev-lit);
    transform: translateY(-1px);
  }
}
[data-design="b"] .rkb-opt[aria-pressed="true"] {
  border-color: var(--rkb-bronze);
  box-shadow: var(--rkb-elev-seated);
  background: color-mix(in oklab, var(--rkb-light) 22%, var(--rkb-surface));
}
[data-design="b"] .rkb-opt[aria-pressed="true"] i {
  background: var(--rkb-bronze);
  color: var(--rkb-bronze-ink);
  border-color: var(--rkb-bronze);
}
[data-design="b"] .rkb-opt[aria-pressed="true"]::after {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(100deg,
    transparent,
    color-mix(in oklab, var(--rkb-light) 70%, transparent) 50%,
    transparent);
  animation: rkb-opt-rake var(--rkb-dur-rake) var(--rkb-ease-rake);
}
@keyframes rkb-opt-rake {
  from { transform: translateX(-101%); }
  to   { transform: translateX(101%); }
}
[data-design="b"] .rkb-opt:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--rkb-surface), 0 0 0 4px var(--rkb-bronze);
}
/* contact slots */
[data-design="b"] .rkb-slots {
  display: grid; gap: var(--rkb-pad);
  grid-template-columns: 1fr 1fr;
}
[data-design="b"] .rkb-slot {
  display: flex; flex-direction: column; gap: 6px;
}
[data-design="b"] .rkb-slot--wide { grid-column: 1 / -1; }
[data-design="b"] .rkb-slot span {
  font-family: var(--rkb-font-mono); font-size: var(--rkb-t-meta);
  color: var(--rkb-muted); letter-spacing: 0.06em; text-transform: uppercase;
}
[data-design="b"] .rkb-slot input,
[data-design="b"] .rkb-slot textarea {
  font-family: var(--rkb-font-body); font-size: var(--rkb-t-body);
  color: var(--rkb-ink);
  background: var(--rkb-surface-sunk);
  border: 1px solid var(--rkb-line);
  border-radius: var(--rkb-r-trim);
  padding: 12px var(--rkb-pad);
  box-shadow: var(--rkb-elev-flush);
  box-sizing: border-box; width: 100%; resize: vertical;
  transition: border-color var(--rkb-dur-touch) linear,
              box-shadow var(--rkb-dur-touch) linear;
}
[data-design="b"] .rkb-slot input:focus-visible,
[data-design="b"] .rkb-slot textarea:focus-visible {
  outline: none; border-color: var(--rkb-bronze);
  box-shadow: inset 0 0 0 1px var(--rkb-bronze),
              0 0 0 3px color-mix(in oklab, var(--rkb-bronze) 30%, transparent);
}
[data-design="b"] .rkb-slot input[aria-invalid="true"] {
  border-color: var(--rkb-critical);
}
[data-design="b"] .rkb-slot__hint {
  font-family: var(--rkb-font-mono); font-size: var(--rkb-t-meta);
  color: var(--rkb-muted); margin: var(--rkb-pad) 0 0;
}
[data-design="b"] .rkb-slot__hint[data-error] { color: var(--rkb-critical); }
/* nav */
[data-design="b"] .rkb-funnel__nav {
  display: flex; gap: var(--rkb-pad);
  margin-top: var(--rkb-bay); flex-wrap: wrap;
}
[data-design="b"] .rkb-funnel__nav [data-next],
[data-design="b"] .rkb-funnel__nav [data-submit] { margin-left: auto; }
/* final lit state */
[data-design="b"] .rkb-funnel__done {
  text-align: left;
  animation: rkb-step-seat var(--rkb-dur-swap) var(--rkb-ease-seat);
}
[data-design="b"] .rkb-funnel__done h3 {
  font-family: var(--rkb-font-display); font-weight: 700;
  font-size: var(--rkb-t-h2); color: var(--rkb-ink);
  margin: var(--rkb-pad) 0 var(--rkb-trim);
}
[data-design="b"] .rkb-funnel__done p {
  color: var(--rkb-muted); font-size: var(--rkb-t-body); max-width: 52ch;
}
[data-design="b"] .rkb-funnel__done-mark {
  display: block; width: 48px; height: 48px;
  border-radius: var(--rkb-r-pill);
  background: radial-gradient(circle at 35% 30%, var(--rkb-light), var(--rkb-bronze));
  box-shadow: var(--rkb-elev-lit);
}
/* below-funnel compliance */
[data-design="b"] .rkb-funnel__footer {
  margin-top: var(--rkb-bay);
  padding-top: var(--rkb-stack);
  border-top: 1px solid var(--rkb-line);
  font-family: var(--rkb-font-mono);
  font-size: var(--rkb-t-meta); color: var(--rkb-muted);
  display: flex; flex-wrap: wrap; gap: var(--rkb-pad) var(--rkb-bay);
}
[data-design="b"] .rkb-funnel__footer a {
  color: var(--rkb-bronze); text-decoration: none;
}

@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .rkb-step:not([hidden]),
  [data-design="b"] .rkb-funnel__done { animation: none; }
  [data-design="b"] .rkb-opt[aria-pressed="true"]::after { animation: none; display: none; }
  [data-design="b"] .rkb-funnel__fill,
  [data-design="b"] .rkb-opt { transition: none; }
}
@media (max-width: 560px) {
  [data-design="b"] .rkb-slots { grid-template-columns: 1fr; }
  [data-design="b"] .rkb-funnel { padding-block: var(--rkb-room); }
}

/* ================================================================
   BEFORE / AFTER section (with E4 process phases as lit specimens)
   ================================================================ */
[data-design="b"] .rkb-ba {
  padding: var(--rkb-storey) 0;
  background: var(--rkb-surface);
  border-block: 1px solid var(--rkb-line);
  overflow: clip; position: relative;
}
[data-design="b"] .rkb-ba__h {
  font-family: var(--rkb-font-display); font-weight: 700;
  font-size: var(--rkb-t-h2);
  letter-spacing: var(--rkb-track-display);
  color: var(--rkb-ink); margin: 0 0 var(--rkb-stack);
  text-wrap: balance;
}
[data-design="b"] .rkb-ba__note {
  max-width: 60ch; color: var(--rkb-muted);
  line-height: var(--rkb-lh-body);
  font-size: var(--rkb-t-body);
  margin: 0 0 var(--rkb-bay);
}
[data-design="b"] .rkb-ba__cta-wrap {
  max-width: 1280px; margin: var(--rkb-bay) auto 0;
  padding-inline: clamp(16px, 5vw, 64px);
}

/* ================================================================
   E4 — Process phase grid (lit specimens, scroll-triggered)
   ================================================================ */
[data-design="b"] .rkb-sched {
  position: relative; overflow: clip; isolation: isolate;
  padding: var(--rkb-storey) 0;
  background: var(--rkb-surface);
  border-block: 1px solid var(--rkb-line);
  box-sizing: border-box;
}
/* downward graze — different axis from hero (TRIAD-2 scroll-linked analog) */
[data-design="b"] .rkb-sched__graze {
  position: absolute; left: 0; right: 0; top: -40%; height: 60%;
  z-index: 0; pointer-events: none;
  background: linear-gradient(180deg,
    transparent,
    color-mix(in oklab, var(--rkb-light-wash) 60%, transparent) 50%,
    transparent);
  mix-blend-mode: soft-light; opacity: 0.5;
  animation: rkb-graze-down var(--rkb-cyc-graze) ease-in-out infinite;
}
@keyframes rkb-graze-down {
  0%,100% { transform: translateY(0);    opacity: 0.32; }
  50%     { transform: translateY(160%); opacity: 0.55; }
}
[data-design="b"] .rkb-sched__h {
  font-family: var(--rkb-font-display); font-weight: 700;
  font-size: var(--rkb-t-h2);
  letter-spacing: var(--rkb-track-display);
  color: var(--rkb-ink); margin: 0 0 var(--rkb-bay);
  text-wrap: balance;
}
[data-design="b"] .rkb-sched__rows,
[data-design="b"] .rkb-ba__phases {
  position: relative; z-index: 1;
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: var(--rkb-stack);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
}
[data-design="b"] .rkb-phase {
  position: relative;
  background: var(--rkb-ground);
  box-shadow: var(--rkb-elev-lit);
  padding: var(--rkb-stack);
  border-radius: var(--rkb-r-spec);
  /* scroll-triggered reveal: starts slightly off-screen, opacity at 0.7 (not 0 — motion gate safe) */
  opacity: 0.7;
  transform: translateY(12px);
  transition: opacity var(--rkb-dur-lift) var(--rkb-ease-seat),
              transform var(--rkb-dur-lift) var(--rkb-ease-seat);
}
[data-design="b"] .rkb-sched.is-lit .rkb-phase,
[data-design="b"] .rkb-ba__phases.is-ready .rkb-phase {
  opacity: 1; transform: none;
}
[data-design="b"] .rkb-sched.is-lit .rkb-phase:nth-child(2),
[data-design="b"] .rkb-ba__phases.is-ready .rkb-phase:nth-child(2) { transition-delay: 0.08s; }
[data-design="b"] .rkb-sched.is-lit .rkb-phase:nth-child(3),
[data-design="b"] .rkb-ba__phases.is-ready .rkb-phase:nth-child(3) { transition-delay: 0.16s; }
[data-design="b"] .rkb-sched.is-lit .rkb-phase:nth-child(4),
[data-design="b"] .rkb-ba__phases.is-ready .rkb-phase:nth-child(4) { transition-delay: 0.24s; }
[data-design="b"] .rkb-sched.is-lit .rkb-phase:nth-child(5),
[data-design="b"] .rkb-ba__phases.is-ready .rkb-phase:nth-child(5) { transition-delay: 0.32s; }
/* bronze tick on checkpoint phases */
[data-design="b"] .rkb-phase[data-mark]::before {
  content: "";
  position: absolute; left: 0; top: var(--rkb-stack); bottom: var(--rkb-stack);
  width: 3px;
  background: linear-gradient(var(--rkb-bronze), var(--rkb-light));
  border-radius: var(--rkb-r-pill);
}
[data-design="b"] .rkb-phase i {
  font-family: var(--rkb-font-mono); font-style: normal;
  font-size: var(--rkb-t-meta); color: var(--rkb-bronze);
  letter-spacing: 0.12em;
}
[data-design="b"] .rkb-phase b {
  display: block;
  font-family: var(--rkb-font-display); font-weight: 600;
  font-size: var(--rkb-t-h3);
  color: var(--rkb-ink);
  margin: var(--rkb-hairline) 0 var(--rkb-trim);
}
[data-design="b"] .rkb-phase span {
  color: var(--rkb-muted); font-size: var(--rkb-t-cap);
  line-height: var(--rkb-lh-body);
}
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .rkb-sched__graze { animation: none; opacity: 0.3; top: 0; height: 100%; }
  [data-design="b"] .rkb-phase { opacity: 1; transform: none; transition: none; }
}
@media (max-width: 560px) {
  [data-design="b"] .rkb-sched,
  [data-design="b"] .rkb-ba { padding-block: var(--rkb-room); }
}

/* ================================================================
   SERVICES
   ================================================================ */
[data-design="b"] .rkb-services {
  padding: var(--rkb-storey) 0;
  background: var(--rkb-ground);
  box-sizing: border-box;
}
[data-design="b"] .rkb-services__h {
  font-family: var(--rkb-font-display); font-weight: 700;
  font-size: var(--rkb-t-h2);
  letter-spacing: var(--rkb-track-display);
  color: var(--rkb-ink); margin: 0 0 var(--rkb-bay);
  text-wrap: balance;
}
[data-design="b"] .rkb-svc-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: var(--rkb-stack);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
}
[data-design="b"] .rkb-svc-card {
  background: var(--rkb-surface);
  border: 1px solid var(--rkb-line);
  border-radius: var(--rkb-r-spec);
  padding: var(--rkb-stack);
  box-shadow: var(--rkb-elev-flush);
}
[data-design="b"] .rkb-svc-card b {
  display: block;
  font-family: var(--rkb-font-display); font-weight: 600;
  font-size: var(--rkb-t-h3);
  color: var(--rkb-ink); margin-bottom: var(--rkb-trim);
}
[data-design="b"] .rkb-svc-card span {
  color: var(--rkb-muted); font-size: var(--rkb-t-body);
  line-height: var(--rkb-lh-body);
}
@media (max-width: 560px) {
  [data-design="b"] .rkb-services { padding-block: var(--rkb-room); }
}

/* ================================================================
   ABOUT
   ================================================================ */
[data-design="b"] .rkb-about {
  padding: var(--rkb-storey) 0;
  background: var(--rkb-ground);
  border-top: 1px solid var(--rkb-line);
}
[data-design="b"] .rkb-about__h {
  font-family: var(--rkb-font-display); font-weight: 700;
  font-size: var(--rkb-t-h2);
  letter-spacing: var(--rkb-track-display);
  color: var(--rkb-ink); margin: 0 0 var(--rkb-bay);
  text-wrap: balance;
}
[data-design="b"] .rkb-about__body {
  max-width: 60ch; color: var(--rkb-ink-2);
  line-height: var(--rkb-lh-body); font-size: var(--rkb-t-body);
  margin: 0 0 var(--rkb-stack);
}
@media (max-width: 560px) {
  [data-design="b"] .rkb-about { padding-block: var(--rkb-room); }
}

/* ================================================================
   SERVICE AREA
   ================================================================ */
[data-design="b"] .rkb-area {
  padding: var(--rkb-storey) 0;
  background: var(--rkb-surface);
  border-top: 1px solid var(--rkb-line);
}
[data-design="b"] .rkb-area__h {
  font-family: var(--rkb-font-display); font-weight: 700;
  font-size: var(--rkb-t-h2);
  letter-spacing: var(--rkb-track-display);
  color: var(--rkb-ink); margin: 0 0 var(--rkb-stack);
}
[data-design="b"] .rkb-area__body {
  color: var(--rkb-muted); font-size: var(--rkb-t-body);
  line-height: var(--rkb-lh-body);
}
@media (max-width: 560px) {
  [data-design="b"] .rkb-area { padding-block: var(--rkb-room); }
}

/* ================================================================
   FOOTER
   ================================================================ */
[data-design="b"] .rkb-footer {
  background: var(--rkb-ground-dk);
  padding: var(--rkb-storey) 0;
  border-top: 2px solid var(--rkb-bronze);
}
[data-design="b"] .rkb-footer__inner {
  display: grid;
  gap: var(--rkb-bay);
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  align-items: start;
}
[data-design="b"] .rkb-footer .rkb-logo__mark {
  font-family: var(--rkb-font-display); font-weight: 700;
  font-size: clamp(19px, 2.4vw, 24px);
  letter-spacing: var(--rkb-track-display);
  color: var(--rkb-ink-lt);
  display: block; margin-bottom: var(--rkb-trim);
}
[data-design="b"] .rkb-footer__brand p {
  color: var(--rkb-muted-lt); font-size: var(--rkb-t-cap);
  line-height: 1.5; margin: 0 0 var(--rkb-trim);
}
[data-design="b"] .rkb-footer__lic {
  font-family: var(--rkb-font-mono);
  font-size: var(--rkb-t-meta);
  color: var(--rkb-bronze-dk);
}
[data-design="b"] .rkb-footer__ctas {
  display: flex; flex-direction: column; gap: var(--rkb-stack);
  align-items: flex-end;
}
[data-design="b"] .rkb-footer__ctas .rkb-lever--quiet {
  color: var(--rkb-ink-lt);
  box-shadow: inset 0 0 0 1px var(--rkb-line-dk);
}
[data-design="b"] .rkb-footer__meta {
  grid-column: 1 / -1;
  border-top: 1px solid var(--rkb-line-dk);
  padding-top: var(--rkb-stack);
  font-family: var(--rkb-font-mono); font-size: var(--rkb-t-meta);
  color: var(--rkb-muted-lt);
  display: flex; flex-wrap: wrap; gap: var(--rkb-pad) var(--rkb-bay);
}
@media (max-width: 768px) {
  [data-design="b"] .rkb-footer__inner {
    grid-template-columns: 1fr;
  }
  [data-design="b"] .rkb-footer__ctas { align-items: flex-start; }
  [data-design="b"] .rkb-footer { padding-block: var(--rkb-room); }
}

/* ================================================================
   SCROLL-DRIVEN PARALLAX — TRIAD-2
   Hero exit: parallax translate on the hero backdrop as user scrolls
   (genuine scroll-driven motion, not a fade-in-on-scroll)
   Applied via JS (IntersectionObserver + scroll event on hero section)
   ================================================================ */
[data-design="b"] .rkb-hero__bg {
  will-change: transform;
}

/* ================================================================
   RESPONSIVE SAFETY
   ================================================================ */
@media (max-width: 320px) {
  [data-design="b"] .rkb-hero { padding-inline: var(--rkb-pad); }
  [data-design="b"] .rkb-funnel__frame { padding: var(--rkb-pad); }
  [data-design="b"] .rkb-opts {
    grid-template-columns: 1fr;
  }
}

/* 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; }