[data-design="b"] {
  --design-b-primary: #2E5FA3;
  --gypsum: #F5F1EA; --gypsum-deep: #EBE5D8;
  --poly: rgba(250, 249, 245, 0.72); --poly-edge: rgba(38, 35, 31, 0.14);
  --site: #211F1B;
  --ink: #26231F; --ink-soft: #555047; --muted: #8A857A; --rule: #D6D0C2;
  --tape: #2E5FA3; --lamp: #D98E32; --lamp-soft: rgba(217, 142, 50, 0.16);
  --critical: #A3402E; --success: #4C6B45;
  --font-display: "Bricolage Grotesque", "Segoe UI", "Helvetica Neue", sans-serif;
  --font-body: "Karla", "Segoe UI", Verdana, sans-serif;
  --font-tag: "JetBrains Mono", "Consolas", "Courier New", monospace;
  --s-4: 4px; --s-8: 8px; --s-12: 12px; --s-16: 16px; --s-24: 24px;
  --s-32: 32px; --s-48: 48px; --s-64: 64px; --s-96: 96px; --s-128: 128px;
  --gutter: clamp(20px, 5vw, 48px);
  --r-4: 4px; --r-8: 8px;
  --zip: cubic-bezier(0.7, 0, 0.22, 1);
  --settle: cubic-bezier(0.24, 0.9, 0.32, 1);
  background: var(--gypsum);
  color: var(--ink);
  font-family: var(--font-body);
}

/* ===== 1. Header ===== */
[data-design="b"] .dc-header {
  position: sticky; top: 0; z-index: 40; background: var(--gypsum);
  border-bottom: 1px solid var(--poly-edge);
  overflow: clip; isolation: isolate;
}
[data-design="b"] .dc-header__sheen {
  position: absolute; top: 0; bottom: 0; width: 34vw; pointer-events: none;
  background: linear-gradient(100deg, transparent 0%, rgba(255, 255, 253, 0.65) 50%, transparent 100%);
  will-change: transform;
  animation: dc-bar-sheen 28s linear infinite;
}
@keyframes dc-bar-sheen {
  from { transform: translateX(-40vw) skewX(-8deg); }
  to   { transform: translateX(110vw) skewX(-8deg); }
}
[data-design="b"] .dc-header__bar {
  position: relative; max-width: 1320px; margin-inline: auto;
  padding: var(--s-16) var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
}
[data-design="b"] .dc-logo {
  position: relative; z-index: 1;
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(1.05rem, 2.4vw, 1.35rem); letter-spacing: -0.01em;
  color: var(--ink); text-decoration: none; padding: var(--s-4) var(--s-8);
}
[data-design="b"] .dc-logo__tape {
  position: absolute; inset: 0; z-index: -1;
  background: var(--gypsum-deep); border-radius: var(--r-4);
  transform: rotate(-0.6deg);
  border: 1px solid var(--poly-edge);
}
[data-design="b"] .dc-burger {
  width: 48px; height: 48px; background: none; border: 0; cursor: pointer;
  display: grid; place-content: center; gap: 6px;
}
[data-design="b"] .dc-burger span {
  display: block; width: 26px; height: 3px; border-radius: 2px;
  background: var(--ink);
  transition: transform 220ms var(--settle), opacity 220ms var(--settle);
}
[data-design="b"] .dc-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
[data-design="b"] .dc-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
[data-design="b"] .dc-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }
[data-design="b"] .dc-burger:focus-visible { outline: 2px solid var(--tape); outline-offset: 3px; }
[data-design="b"] .dc-drawer {
  position: fixed; inset: 0; z-index: 50; background: var(--site);
  color: var(--gypsum); padding: var(--s-96) var(--gutter) var(--s-48);
  transform: translateX(102%); visibility: hidden; display: block;
  transition: transform 380ms var(--zip), visibility 0s 380ms;
  overflow-y: auto;
}
[data-design="b"] .dc-drawer.is-open {
  transform: none; visibility: visible;
  transition: transform 380ms var(--zip);
}
[data-design="b"] .dc-drawer__head {
  font-family: var(--font-tag); font-size: 0.875rem; letter-spacing: 0.24em;
  color: var(--muted); max-width: 560px; margin-bottom: var(--s-24);
}
[data-design="b"] .dc-drawer__strips { display: grid; gap: var(--s-16); max-width: 560px; }
[data-design="b"] .dc-drawer__strips a {
  display: flex; align-items: center; min-height: 56px;
  padding: var(--s-12) var(--s-24);
  background: var(--gypsum); color: var(--ink); text-decoration: none;
  font-family: var(--font-tag); font-size: 1.0625rem; letter-spacing: 0.16em;
  text-transform: uppercase; border-radius: var(--r-4);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: transform 200ms var(--settle);
}
[data-design="b"] .dc-drawer__strips a:nth-child(odd) { transform: rotate(-0.6deg); }
[data-design="b"] .dc-drawer__strips a:nth-child(even) { transform: rotate(0.5deg); }
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .dc-drawer__strips a:hover { transform: rotate(0deg); }
}
[data-design="b"] .dc-drawer__strips a:focus-visible {
  transform: rotate(0deg); outline: 2px solid var(--gypsum); outline-offset: 3px;
}
[data-design="b"] .dc-drawer__foot {
  margin-top: var(--s-48); max-width: 560px;
  display: flex; flex-direction: column; gap: var(--s-16);
}
[data-design="b"] .dc-drawer__foot a,
[data-design="b"] .dc-drawer__phone,
[data-design="b"] .dc-drawer__funnel-link {
  color: var(--gypsum); font-family: var(--font-tag);
  min-height: 44px; display: inline-flex; align-items: center;
  text-decoration: none;
}
@media (max-width: 560px) {
  [data-design="b"] .dc-drawer__strips a { font-size: 0.9375rem; }
}

/* ===== 2. CTA — the pull tab ===== */
[data-design="b"] .dc-cta {
  position: relative; display: inline-flex; flex-direction: column;
  align-items: center; text-decoration: none; padding-top: 22px;
}
[data-design="b"] .dc-cta__seam {
  position: absolute; top: 0; left: 50%; width: 0; height: 22px;
  border-left: 2px dashed var(--poly-edge);
  transform: translateX(-1px) scaleY(1); transform-origin: top;
  transition: transform 200ms var(--settle);
}
[data-design="b"] .dc-cta__glow {
  position: absolute; inset: 10px -14px -10px;
  background: radial-gradient(60% 70% at 50% 60%, var(--lamp-soft) 0%, transparent 75%);
  animation: dc-lamp-breath 5s ease-in-out infinite;
  pointer-events: none;
}
@keyframes dc-lamp-breath {
  0%, 100% { opacity: 0.45; transform: scale(0.96); }
  50%      { opacity: 1; transform: scale(1); }
}
[data-design="b"] .dc-cta__tab {
  position: relative; display: inline-flex; align-items: center; gap: var(--s-12);
  min-height: 56px; padding: var(--s-16) var(--s-32);
  background: var(--gypsum); color: var(--ink);
  border: 2px solid var(--ink); border-radius: var(--r-8);
  box-shadow: 0 1px 0 var(--poly-edge), 0 8px 24px rgba(38, 35, 31, 0.08);
  font-family: var(--font-display); font-weight: 800; font-size: 1.0625rem;
  transition: transform 160ms var(--settle);
}
[data-design="b"] .dc-cta__slot {
  width: 18px; height: 6px; border-radius: 3px;
  border: 2px solid var(--ink);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .dc-cta:hover .dc-cta__tab { transform: translateY(-2px); }
  [data-design="b"] .dc-cta:hover .dc-cta__seam { transform: translateX(-1px) scaleY(1.4); }
}
[data-design="b"] .dc-cta:focus-visible { outline: none; }
[data-design="b"] .dc-cta:focus-visible .dc-cta__tab {
  transform: translateY(-2px);
  outline: 2px solid var(--tape); outline-offset: 3px;
}
[data-design="b"] .dc-cta:active .dc-cta__tab { transform: translateY(2px); }
@media (max-width: 380px) {
  [data-design="b"] .dc-cta { width: 100%; }
  [data-design="b"] .dc-cta__tab { width: 100%; justify-content: center; }
}

/* ===== 3. Hero — the zip wall ===== */
[data-design="b"] .dc-hero {
  position: relative; overflow: clip; isolation: isolate;
  min-height: min(88vh, 820px);
  display: flex; align-items: flex-end;
  background: var(--gypsum);
}
[data-design="b"] .dc-hero__room {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(70% 55% at 72% 78%, var(--lamp-soft) 0%, transparent 70%),
    radial-gradient(45% 40% at 20% 90%, rgba(217, 142, 50, 0.09) 0%, transparent 75%);
}
[data-design="b"] .dc-hero__film {
  position: absolute; top: 0; bottom: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(250, 249, 245, 0.5) 0%, var(--poly) 60%, rgba(250, 249, 245, 0.82) 100%);
  border-bottom: 6px solid var(--gypsum-deep);
}
[data-design="b"] .dc-hero__film--l { left: 0; width: 64%; border-right: 1px dashed var(--poly-edge); }
[data-design="b"] .dc-hero__film--r { right: 0; width: 36%; border-left: 1px dashed var(--poly-edge); }
[data-design="b"] .dc-hero__frame { position: absolute; inset: 0; z-index: 1; }
[data-design="b"] .dc-hero__pole {
  position: absolute; top: 0; bottom: 0; width: 3px;
  background: var(--poly-edge); opacity: 0.7;
}
[data-design="b"] .dc-hero__pole--1 { left: 22%; }
[data-design="b"] .dc-hero__pole--2 { left: 86%; }
[data-design="b"] .dc-hero__tape {
  position: absolute; width: 72px; height: 22px;
  background: var(--tape); opacity: 0.85; border-radius: 2px;
  animation: dc-tape-press 500ms var(--settle) both;
}
[data-design="b"] .dc-hero__tape--tl { top: 26px; left: 4%; transform: rotate(-14deg); }
[data-design="b"] .dc-hero__tape--tr { top: 34px; right: 5%; transform: rotate(12deg); animation-delay: 160ms; }
[data-design="b"] .dc-hero__tape--bl { bottom: 15%; left: 12%; transform: rotate(6deg); animation-delay: 320ms; }
@keyframes dc-tape-press {
  from { opacity: 0; transform: scale(1.18); }
}
[data-design="b"] .dc-hero__sheen {
  position: absolute; top: 0; bottom: 0; width: 42vw; pointer-events: none; z-index: 1;
  background: linear-gradient(96deg, transparent 0%, rgba(255, 255, 253, 0.55) 48%, transparent 100%);
  will-change: transform;
  animation: dc-wall-sheen 9s ease-in-out infinite;
}
@keyframes dc-wall-sheen {
  0%   { transform: translateX(-46vw) skewX(-6deg); }
  55%  { transform: translateX(105vw) skewX(-6deg); }
  100% { transform: translateX(105vw) skewX(-6deg); }
}
[data-design="b"] .dc-hero[data-paused] .dc-hero__sheen { animation-play-state: paused; }
[data-design="b"] .dc-hero__inner {
  position: relative; z-index: 5;
  width: 100%; max-width: 1320px; margin-inline: auto;
  padding: var(--s-96) var(--gutter);
}
[data-design="b"] .dc-hero__headline {
  position: relative; z-index: 5;
  font-family: var(--font-display); font-weight: 800; letter-spacing: -0.01em;
  font-size: clamp(2.1rem, 6.4vw, 4rem); line-height: 1.08;
  max-width: 15ch; margin: 0 0 var(--s-24); color: var(--ink);
  opacity: 1; text-wrap: balance;
}
[data-design="b"] .dc-hero__subtitle {
  position: relative; z-index: 5;
  font-size: clamp(1.0625rem, 2vw, 1.25rem); line-height: 1.5;
  max-width: 52ch; margin: 0 0 var(--s-16); color: var(--ink-soft);
  opacity: 1;
}
[data-design="b"] .dc-hero__proof {
  position: relative; z-index: 5;
  font-family: var(--font-tag); font-size: 0.9375rem; line-height: 1.55;
  letter-spacing: 0.06em; color: var(--muted); max-width: 70ch;
  border-top: 1px dashed var(--poly-edge);
  padding-top: var(--s-12); margin: 0 0 var(--s-32);
  opacity: 1;
}
[data-design="b"] .dc-hero .dc-cta { position: relative; z-index: 5; }
@media (max-width: 560px) {
  [data-design="b"] .dc-hero { min-height: 100svh; }
  [data-design="b"] .dc-hero__inner { padding-block: var(--s-64); }
  [data-design="b"] .dc-hero__film--l { width: 58%; }
  [data-design="b"] .dc-hero__film--r { width: 42%; }
}

/* ===== Pointer ===== */
[data-design="b"] .dc-pointer {
  position: relative;
  display: flex; flex-direction: column; align-items: center; gap: var(--s-8);
  padding: var(--s-48) var(--gutter) var(--s-32);
  opacity: 1;
}
[data-design="b"] .dc-pointer__seam {
  width: 0; height: 120px;
  border-left: 2px dashed var(--poly-edge);
}
[data-design="b"] .dc-pointer__glyph {
  position: absolute; top: var(--s-48); left: 50%;
  width: 18px; height: 26px; margin-left: -9px;
  background: var(--gypsum-deep); border: 2px solid var(--ink);
  border-radius: var(--r-8); display: grid; place-content: center;
  animation: dc-threshold-pull 5s var(--zip) infinite;
}
[data-design="b"] .dc-pointer__glyphslot {
  width: 6px; height: 8px; border: 2px solid var(--ink); border-radius: 2px;
}
@keyframes dc-threshold-pull {
  0%   { transform: translateY(0); opacity: 0; }
  12%  { opacity: 1; }
  58%  { transform: translateY(96px); opacity: 1; }
  74%  { transform: translateY(96px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}
[data-design="b"] .dc-pointer__label {
  font-family: var(--font-tag); font-size: 0.875rem; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--muted);
  opacity: 1;
}

/* ===== 5. Estimator funnel — the zip-line ===== */
[data-design="b"] .dc-line {
  max-width: 880px; margin-inline: auto;
  padding: var(--s-96) var(--gutter);
}
[data-design="b"] .dc-line__head { margin-bottom: var(--s-32); }
[data-design="b"] .dc-line__head h2 {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.125rem); line-height: 1.3;
  margin: 0 0 var(--s-8);
}
[data-design="b"] .dc-line__count {
  font-family: var(--font-tag); font-size: 0.875rem; letter-spacing: 0.2em;
  color: var(--muted); margin: 0;
}
[data-design="b"] .dc-funnel { position: relative; }
[data-design="b"] .dc-bay {
  position: relative; overflow: clip;
  background: var(--gypsum); border: 1px solid var(--rule);
  border-radius: var(--r-8);
  box-shadow: 0 1px 0 var(--poly-edge), 0 8px 24px rgba(38, 35, 31, 0.08);
  padding: var(--s-32) var(--s-24) var(--s-64);
  min-height: 380px;
}
/* EST-8: exactly one bay ever visible before interaction; [hidden] is authoritative */
[data-design="b"] .dc-bay[hidden] { display: none; }
[data-design="b"] .dc-bay__veil { position: absolute; inset: 0; pointer-events: none; z-index: 3; }
[data-design="b"] .dc-bay__half {
  position: absolute; top: 0; bottom: 0; width: 50.5%;
  background: linear-gradient(180deg, rgba(250, 249, 245, 0.35) 0%, rgba(250, 249, 245, 0.16) 100%);
}
[data-design="b"] .dc-bay__half--l { left: 0; border-right: 1px dashed var(--poly-edge); }
[data-design="b"] .dc-bay__half--r { right: 0; border-left: 1px dashed var(--poly-edge); }
[data-design="b"] .dc-bay.is-unzipping .dc-bay__half--l {
  animation: dc-part-l 420ms var(--zip) 120ms both;
}
[data-design="b"] .dc-bay.is-unzipping .dc-bay__half--r {
  animation: dc-part-r 420ms var(--zip) 120ms both;
}
@keyframes dc-part-l { to { transform: translateX(-103%); } }
@keyframes dc-part-r { to { transform: translateX(103%); } }
[data-design="b"] .dc-pull {
  /* decorative pull glyph; positioned clear of the tag grid so it never overlaps a chip (EST-8) */
  position: absolute; top: 10px; left: 50%; z-index: 4;
  width: 22px; height: 32px; margin-left: -11px;
  background: var(--gypsum-deep); border: 2px solid var(--ink);
  border-radius: var(--r-8); display: grid; place-content: center;
  transition: transform 160ms var(--settle);
  pointer-events: none;
}
[data-design="b"] .dc-pull__slot {
  width: 8px; height: 10px; border: 2px solid var(--ink); border-radius: 3px;
}
[data-design="b"] .dc-bay.is-unzipping .dc-pull {
  animation: dc-pull-travel 380ms var(--zip) both;
}
@keyframes dc-pull-travel {
  to { transform: translateY(560px); opacity: 0; }
}
[data-design="b"] .dc-bay.is-unzipping { animation: dc-bay-out 200ms var(--settle) 420ms both; }
@keyframes dc-bay-out { to { opacity: 0; } }
[data-design="b"] .dc-bay.is-arriving { animation: dc-bay-in 320ms var(--settle) both; }
@keyframes dc-bay-in {
  from { transform: scale(0.98) translateY(8px); opacity: 0; }
  to   { transform: none; opacity: 1; }
}
[data-design="b"] .dc-bay__q { position: relative; z-index: 1; margin-bottom: var(--s-24); margin-top: var(--s-32); }
[data-design="b"] .dc-bay__tag {
  display: inline-block; font-family: var(--font-tag); font-size: 0.875rem;
  letter-spacing: 0.2em; color: var(--tape);
  background: var(--gypsum-deep); border-radius: var(--r-4);
  padding: var(--s-4) var(--s-12); margin-bottom: var(--s-12);
  transform: rotate(-0.6deg);
  opacity: 1;
}
[data-design="b"] .dc-bay__q h3 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.1875rem, 2.6vw, 1.5rem); line-height: 1.3; margin: 0;
  max-width: 32ch; opacity: 1;
}
[data-design="b"] .dc-bay__tags {
  position: relative; z-index: 1;
  display: grid; gap: var(--s-16); grid-template-columns: 1fr;
}
@media (min-width: 560px) {
  [data-design="b"] .dc-bay__tags { grid-template-columns: 1fr 1fr; }
}
[data-design="b"] .dc-bay__tags--finish { grid-template-columns: 1fr; }
[data-design="b"] .dc-tag {
  position: relative; min-height: 56px; padding: var(--s-16);
  background: var(--gypsum-deep); border: 2px solid transparent;
  border-radius: var(--r-4); overflow: clip;
  display: flex; flex-direction: column; gap: var(--s-4);
  font-family: var(--font-body); font-weight: 700; font-size: 1.0625rem;
  text-align: left; cursor: pointer; color: var(--ink);
  transition: border-color 140ms var(--settle), transform 140ms var(--settle);
  opacity: 1;
}
[data-design="b"] .dc-tag__title { opacity: 1; }
[data-design="b"] .dc-tag__help {
  font-family: var(--font-body); font-weight: 400; font-size: 0.875rem;
  color: var(--ink-soft); opacity: 1;
}
[data-design="b"] .dc-tag:nth-child(odd) { transform: rotate(-0.4deg); }
[data-design="b"] .dc-tag:nth-child(even) { transform: rotate(0.4deg); }
@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .dc-tag:hover { transform: rotate(0deg) translateY(-2px); }
}
[data-design="b"] .dc-tag:focus-visible {
  transform: rotate(0deg); outline: 2px solid var(--tape); outline-offset: 3px;
}
[data-design="b"] .dc-tag__seam {
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--tape); transform: scaleX(0); transform-origin: left;
  transition: transform 90ms var(--zip);
}
[data-design="b"] .dc-tag.is-picked {
  border-color: var(--tape); transform: rotate(0deg);
  background: rgba(46, 95, 163, 0.1);
}
[data-design="b"] .dc-tag.is-picked .dc-tag__seam { transform: scaleX(1); }
[data-design="b"] .dc-back {
  /* placed at the bay's bottom edge, clear of the tag grid — never overlaps a chip (EST-8) */
  position: absolute; left: var(--s-24); bottom: var(--s-16); z-index: 1;
  background: none; border: 0; cursor: pointer; min-height: 44px;
  font-family: var(--font-tag); font-size: 0.875rem; color: var(--muted);
  opacity: 1;
}
[data-design="b"] .dc-back:focus-visible { outline: 2px solid var(--tape); outline-offset: 2px; }
[data-design="b"] .dc-bay__fields {
  position: relative; z-index: 1;
  display: grid; gap: var(--s-24); margin-bottom: var(--s-32); margin-top: var(--s-32);
}
[data-design="b"] .dc-bay__fields label {
  display: block; font-family: var(--font-tag); font-size: 0.875rem;
  letter-spacing: 0.12em; color: var(--muted); margin-bottom: var(--s-4);
  opacity: 1;
}
[data-design="b"] .dc-bay__fields input {
  width: 100%; box-sizing: border-box; min-height: 48px;
  background: var(--gypsum-deep); border: 1px solid var(--rule);
  border-radius: var(--r-4); padding: var(--s-12);
  font-family: var(--font-body); font-size: 1.0625rem; color: var(--ink);
}
[data-design="b"] .dc-bay__fields input:focus-visible {
  outline: none; border-color: var(--tape);
}
[data-design="b"] .dc-bay--contact .dc-cta--submit { position: relative; z-index: 1; margin-top: var(--s-24); }
[data-design="b"] .dc-line__reveal {
  position: relative; overflow: clip; text-align: center;
  padding: var(--s-64) var(--s-24);
  background: var(--gypsum); border: 1px solid var(--rule);
  border-radius: var(--r-8);
}
[data-design="b"] .dc-line__lamp {
  position: absolute; inset: 0;
  background: radial-gradient(75% 65% at 50% 45%, var(--lamp-soft) 0%, transparent 80%);
  animation: dc-reveal-warm 900ms var(--settle) both;
}
@keyframes dc-reveal-warm {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}
[data-design="b"] .dc-line__revealed {
  position: relative; font-family: var(--font-display); font-weight: 800;
  font-size: 1.5rem; letter-spacing: 0.04em; margin: 0 0 var(--s-16);
  opacity: 1;
}
[data-design="b"] .dc-line__note {
  position: relative; max-width: 60ch; margin-inline: auto;
  line-height: 1.6; color: var(--ink-soft); text-align: center;
}

/* ===== Live ballpark readout (EST-4) ===== */
[data-design="b"] .dc-readout {
  max-width: 880px; margin: var(--s-32) auto 0;
  padding: var(--s-24);
  background: var(--gypsum-deep); border: 1px solid var(--rule);
  border-radius: var(--r-8); text-align: center;
}
[data-design="b"] .dc-readout__range {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(1.5rem, 4vw, 2.25rem); color: var(--tape);
  margin: 0 0 var(--s-8);
}
[data-design="b"] .dc-readout__sample {
  font-family: var(--font-tag); font-size: 0.8125rem; letter-spacing: 0.08em;
  color: var(--muted); margin: 0 0 var(--s-4);
}
[data-design="b"] .dc-readout__adjacency {
  font-size: 0.9375rem; color: var(--ink-soft); margin: var(--s-4) 0 0;
}

/* ===== 4. Containment plan / process (mid-page) ===== */
[data-design="b"] .dc-plan {
  max-width: 1320px; margin-inline: auto;
  padding: var(--s-96) var(--gutter);
}
[data-design="b"] .dc-plan h2 {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.125rem); line-height: 1.3;
  margin: 0 0 var(--s-32); max-width: 24ch;
}
[data-design="b"] .dc-plan__grid { display: grid; gap: var(--s-48); }
[data-design="b"] .dc-plan__grid--single { grid-template-columns: 1fr; }
@media (min-width: 1024px) {
  [data-design="b"] .dc-plan__grid:not(.dc-plan__grid--single) {
    grid-template-columns: 5fr 6fr; align-items: start;
  }
  [data-design="b"] .dc-plan__diagram { position: sticky; top: 96px; }
}
[data-design="b"] .dc-plan__diagram {
  position: relative; aspect-ratio: 4 / 3;
  background: var(--gypsum-deep); border-radius: var(--r-8);
  border: 1px solid var(--rule); overflow: clip;
}
[data-design="b"] .dc-plan__room { position: absolute; border-radius: var(--r-4); }
[data-design="b"] .dc-plan__room--kept {
  background: radial-gradient(80% 80% at 50% 50%, var(--lamp-soft) 0%, transparent 90%);
}
[data-design="b"] .dc-plan__room--a {
  left: 6%; top: 8%; width: 34%; height: 40%;
  animation: dc-kept-glow 12s ease-in-out infinite;
}
[data-design="b"] .dc-plan__room--b {
  left: 6%; bottom: 8%; width: 34%; height: 36%;
  animation: dc-kept-glow 12s ease-in-out infinite; animation-delay: -6s;
}
@keyframes dc-kept-glow {
  0%, 100% { opacity: 0.35; }
  50%      { opacity: 1; }
}
[data-design="b"] .dc-plan__room--work {
  right: 6%; top: 8%; width: 48%; height: 84%;
  background: var(--poly); border-radius: var(--r-4);
}
[data-design="b"] .dc-plan__edge {
  position: absolute; background: var(--tape); opacity: 0.9;
}
[data-design="b"] .dc-plan__edge--top,
[data-design="b"] .dc-plan__edge--bottom { left: 0; right: 0; height: 6px; transform: scaleX(0); }
[data-design="b"] .dc-plan__edge--left,
[data-design="b"] .dc-plan__edge--right { top: 0; bottom: 0; width: 6px; transform: scaleY(0); }
[data-design="b"] .dc-plan__edge--top { top: 0; transform-origin: left; }
[data-design="b"] .dc-plan__edge--right { right: 0; transform-origin: top; }
[data-design="b"] .dc-plan__edge--bottom { bottom: 0; transform-origin: right; }
[data-design="b"] .dc-plan__edge--left { left: 0; transform-origin: bottom; }
[data-design="b"] .dc-plan.is-taped .dc-plan__edge--top { transition: transform 340ms var(--zip) 0ms; transform: scaleX(1); }
[data-design="b"] .dc-plan.is-taped .dc-plan__edge--right { transition: transform 340ms var(--zip) 340ms; transform: scaleY(1); }
[data-design="b"] .dc-plan.is-taped .dc-plan__edge--bottom { transition: transform 340ms var(--zip) 680ms; transform: scaleX(1); }
[data-design="b"] .dc-plan.is-taped .dc-plan__edge--left { transition: transform 340ms var(--zip) 1020ms; transform: scaleY(1); }
[data-design="b"] .dc-plan__loose {
  position: absolute; right: 10px; bottom: 10px; width: 44px; height: 18px;
  background: var(--tape); opacity: 0.55; border: 0; border-radius: 2px;
  cursor: pointer; transform: rotate(8deg); transform-origin: left center;
  transition: transform 260ms var(--settle), opacity 260ms var(--settle);
}
[data-design="b"] .dc-plan__loose.is-peeled {
  transform: rotate(-24deg) translateY(-6px); opacity: 0.85;
}
[data-design="b"] .dc-plan__steps {
  list-style: none; margin: 0; padding: 0; counter-reset: dc-step;
}
[data-design="b"] .dc-plan__steps > li {
  counter-increment: dc-step;
  display: grid; grid-template-columns: 64px 1fr; gap: var(--s-16);
  padding: var(--s-24) 0; border-bottom: 1px dashed var(--poly-edge);
}
[data-design="b"] .dc-plan__steps > li::before {
  content: counter(dc-step, decimal-leading-zero);
  font-family: var(--font-tag); font-size: 1.0625rem; color: var(--tape);
  padding-top: 2px;
}
[data-design="b"] .dc-plan__steps h3 {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.25rem; line-height: 1.3; margin: 0 0 var(--s-8);
}
[data-design="b"] .dc-plan__steps p {
  margin: 0; max-width: 65ch; line-height: 1.6; color: var(--ink-soft);
}

/* ===== 7. Scroll choreography — first-look unveil ===== */
[data-design="b"] .dc-unveil {
  max-width: 1320px; margin-inline: auto;
  padding: var(--s-96) var(--gutter);
}
[data-design="b"] .dc-unveil__chip {
  display: inline-block; font-family: var(--font-tag); font-size: 0.875rem;
  letter-spacing: 0.2em; color: var(--tape);
  background: var(--gypsum-deep); border-radius: var(--r-4);
  padding: var(--s-4) var(--s-12); margin-bottom: var(--s-16);
  transform: rotate(-0.6deg);
}
[data-design="b"] .dc-unveil h2 {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.125rem); line-height: 1.3;
  margin: 0 0 var(--s-24); max-width: 24ch;
}
[data-design="b"] .dc-unveil__body p {
  max-width: 70ch; line-height: 1.6; color: var(--ink-soft);
}
@supports (animation-timeline: view()) {
  [data-design="b"] .dc-hero__film--l {
    animation: dc-curtain-l linear both;
    animation-timeline: view();
    animation-range: exit 0% exit 95%;
  }
  [data-design="b"] .dc-hero__film--r {
    animation: dc-curtain-r linear both;
    animation-timeline: view();
    animation-range: exit 0% exit 95%;
  }
  [data-design="b"] .dc-unveil__chip {
    animation: dc-chip-press linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 40%;
  }
  [data-design="b"] .dc-unveil h2 {
    animation: dc-title-rise linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 50%;
  }
}
@keyframes dc-curtain-l {
  to { transform: translateX(-9%); opacity: 0.55; }
}
@keyframes dc-curtain-r {
  to { transform: translateX(9%); opacity: 0.55; }
}
@keyframes dc-chip-press {
  from { transform: rotate(-0.6deg) scale(1.15); opacity: 0; }
  to   { transform: rotate(-0.6deg) scale(1); opacity: 1; }
}
@keyframes dc-title-rise {
  from { transform: translateY(24px); opacity: 0; }
  to   { transform: none; opacity: 1; }
}

/* ===== Services grid (static bays) ===== */
[data-design="b"] .dc-services {
  max-width: 1320px; margin-inline: auto;
  padding: var(--s-96) var(--gutter);
}
[data-design="b"] .dc-services h2 {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.125rem); margin: 0 0 var(--s-32);
}
[data-design="b"] .dc-services__grid {
  display: grid; gap: var(--s-32); grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  [data-design="b"] .dc-services__grid { grid-template-columns: 1fr 1fr; }
}
[data-design="b"] .dc-bay-static {
  background: var(--gypsum); border: 1px solid var(--rule); border-radius: var(--r-8);
  box-shadow: 0 1px 0 var(--poly-edge), 0 8px 24px rgba(38, 35, 31, 0.08);
  padding: var(--s-24);
}
[data-design="b"] .dc-bay-static__tag {
  display: inline-block; font-family: var(--font-tag); font-size: 0.8125rem;
  letter-spacing: 0.18em; color: var(--tape);
  background: var(--gypsum-deep); border-radius: var(--r-4);
  padding: var(--s-4) var(--s-12); margin-bottom: var(--s-12);
  transform: rotate(-0.5deg);
}
[data-design="b"] .dc-bay-static h3 {
  font-family: var(--font-display); font-weight: 600; font-size: 1.1875rem;
  margin: 0 0 var(--s-8);
}
[data-design="b"] .dc-bay-static p { margin: 0; color: var(--ink-soft); line-height: 1.6; }

/* ===== Repeated CTA section ===== */
[data-design="b"] .dc-repeat-cta {
  max-width: 1320px; margin-inline: auto;
  padding: var(--s-64) var(--gutter);
  display: flex; justify-content: center;
}

/* ===== Footer ===== */
[data-design="b"] .dc-footer {
  background: var(--site); color: var(--gypsum);
  padding: var(--s-96) var(--gutter) var(--s-48);
}
[data-design="b"] .dc-footer__inner { max-width: 1320px; margin-inline: auto; }
[data-design="b"] .dc-footer h2 {
  font-family: var(--font-display); font-weight: 800; font-size: 1.5rem;
  margin: 0 0 var(--s-8);
}
[data-design="b"] .dc-footer__area {
  font-family: var(--font-tag); font-size: 0.875rem; letter-spacing: 0.1em;
  color: var(--muted); margin: 0 0 var(--s-16);
}
[data-design="b"] .dc-footer__phone {
  display: inline-flex; min-height: 44px; align-items: center;
  color: var(--lamp); font-family: var(--font-display); font-weight: 700;
  font-size: 1.25rem; text-decoration: none; margin-bottom: var(--s-32);
}
[data-design="b"] .dc-footer__strips {
  display: flex; flex-wrap: wrap; gap: var(--s-16); margin-bottom: var(--s-32);
}
[data-design="b"] .dc-footer__strips a {
  display: inline-flex; min-height: 44px; align-items: center;
  padding: var(--s-8) var(--s-16);
  background: rgba(245, 241, 234, 0.08); color: var(--gypsum);
  text-decoration: none; border-radius: var(--r-4);
  font-family: var(--font-tag); font-size: 0.875rem; letter-spacing: 0.08em;
  text-transform: uppercase;
}
[data-design="b"] .dc-footer__copy {
  font-size: 0.8125rem; color: var(--muted); margin: 0;
  border-top: 1px solid rgba(245, 241, 234, 0.14); padding-top: var(--s-24);
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .dc-header__sheen { animation: none; opacity: 0; }
  [data-design="b"] .dc-drawer,
  [data-design="b"] .dc-burger span,
  [data-design="b"] .dc-drawer__strips a { transition: none; }
  [data-design="b"] .dc-cta__glow { animation: none; opacity: 0.7; }
  [data-design="b"] .dc-cta__tab,
  [data-design="b"] .dc-cta__seam { transition: none; }
  [data-design="b"] .dc-hero__tape { animation: none; }
  [data-design="b"] .dc-hero__sheen { animation: none; opacity: 0; }
  [data-design="b"] .dc-pointer__glyph {
    animation: none; transform: translateY(48px); opacity: 0.8;
  }
  [data-design="b"] .dc-bay.is-unzipping,
  [data-design="b"] .dc-bay.is-unzipping .dc-bay__half--l,
  [data-design="b"] .dc-bay.is-unzipping .dc-bay__half--r,
  [data-design="b"] .dc-bay.is-unzipping .dc-pull,
  [data-design="b"] .dc-bay.is-arriving,
  [data-design="b"] .dc-line__lamp { animation: none; }
  [data-design="b"] .dc-tag,
  [data-design="b"] .dc-tag__seam,
  [data-design="b"] .dc-pull { transition: none; }
  [data-design="b"] .dc-plan__room--kept { animation: none; opacity: 0.7; }
  [data-design="b"] .dc-plan__edge--top,
  [data-design="b"] .dc-plan__edge--bottom { transform: scaleX(1); transition: none; }
  [data-design="b"] .dc-plan__edge--left,
  [data-design="b"] .dc-plan__edge--right { transform: scaleY(1); transition: none; }
  [data-design="b"] .dc-plan__loose { transition: none; }
  [data-design="b"] .dc-hero__film--l,
  [data-design="b"] .dc-hero__film--r,
  [data-design="b"] .dc-unveil__chip,
  [data-design="b"] .dc-unveil h2 { animation: none; }
}

/* ===== Mobile / overflow safety (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; }

/* stranded-wrapper autofix (drain 2026-07-03): every fixed max-width column centers — gate content_uncentered_left_stranded */
[data-design="b"] .dc-drawer__head { margin-inline: auto; }
[data-design="b"] .dc-drawer__strips { margin-inline: auto; }
[data-design="b"] .dc-drawer__foot { margin-inline: auto; }
[data-design="b"] .dc-hero__subtitle { margin-inline: auto; }
[data-design="b"] .dc-hero__proof { margin-inline: auto; }
[data-design="b"] .dc-bay__q h3 { margin-inline: auto; }
[data-design="b"] .dc-plan__steps p { margin-inline: auto; }
[data-design="b"] .dc-unveil__body p { margin-inline: 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; }