/* ================================================================
   Design-B · Colophon (MIT Press) → [data-design="b"]
   Modern Remodeling LLC · Nampa, Idaho
   12 trade-rooted tokens + 6 signature animated elements
   ================================================================ */

/* ── Design tokens ─────────────────────────────────────────────── */
[data-design="b"] {
  --design-b-primary:  #9B1E26;   /* colophon red = col-mark */

  /* Color */
  --col-paper:   #F4EFE6;
  --col-paper-2: #EAE3D5;
  --col-ink:     #15161A;
  --col-ink-2:   #2B2D34;
  --col-muted:   #7C7569;
  --col-rule:    #C9C0AE;
  --col-mark:    #9B1E26;
  --col-success: #3F6E48;
  --col-critical:#7A1F1F;

  /* Typography */
  --col-display:   "Tiempos Headline","Source Serif 4","Iowan Old Style",Georgia,serif;
  --col-body:      "Tiempos Text","Source Serif 4","Iowan Old Style",Georgia,serif;
  --col-meta:      "Söhne Mono","JetBrains Mono",ui-monospace,monospace;
  --col-grotesque: "Söhne",-apple-system,"Helvetica Neue",system-ui,sans-serif;

  /* Spacing */
  --col-hairline:     1px;
  --col-thread:       8px;
  --col-gutter:       24px;
  --col-folio:        48px;
  --col-press:        96px;
  --col-press-tight:  48px;
  --col-press-mobile: 32px;

  /* Motion */
  --motion-fast:  180ms;
  --motion-settle:420ms;
  --motion-bar:   900ms;

  /* Radius */
  --col-r-0: 0;
  --col-r-1: 2px;

  /* Base */
  background: var(--col-paper);
  color: var(--col-ink);
  font-family: var(--col-body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ── E1: Header ──────────────────────────────────────────────────── */
[data-design="b"].col-header,
[data-design="b"] .col-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--col-paper);
  padding: 18px var(--col-folio) 0;
}
[data-design="b"] .rf-header__bar {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: var(--col-gutter);
  padding-bottom: 14px;
}
[data-design="b"] .col-logo {
  display: inline-flex; align-items: baseline; gap: 14px;
  text-decoration: none; color: var(--col-ink);
}
[data-design="b"] .col-logo__name {
  font-family: var(--col-display); font-size: 21px;
  letter-spacing: -0.006em;
}
[data-design="b"] .col-logo__colophon {
  display: inline-flex; gap: 2px; align-items: flex-end;
}
[data-design="b"] .col-logo__colophon i {
  display: block; width: 2px; background: var(--col-mark);
}
[data-design="b"] .col-logo__colophon i:nth-child(1){ height:6px; }
[data-design="b"] .col-logo__colophon i:nth-child(2){ height:9px; }
[data-design="b"] .col-logo__colophon i:nth-child(3){ height:12px; }
[data-design="b"] .col-logo__colophon i:nth-child(4){ height:14px; }
[data-design="b"] .col-logo__colophon i:nth-child(5){ height:12px; }
[data-design="b"] .col-logo__colophon i:nth-child(6){ height:9px; }
[data-design="b"] .col-logo__colophon i:nth-child(7){ height:6px; }

[data-design="b"] .col-burger {
  width: 44px; height: 44px; border: 1px solid var(--col-ink);
  background: transparent;
  display: inline-flex; flex-direction: column; justify-content: center;
  align-items: center; gap: 5px;
  cursor: pointer; padding: 0; border-radius: 0;
  transition: background var(--motion-fast);
}
[data-design="b"] .col-burger span {
  width: 16px; height: 1px; background: var(--col-ink); display: block;
}
[data-design="b"] .col-burger:hover { background: var(--col-paper-2); }
[data-design="b"] .col-burger:focus-visible { outline: 2px solid var(--col-mark); outline-offset: 2px; }

/* Header atmosphere */
[data-design="b"] .col-header__atmosphere {
  position: relative; height: 14px; pointer-events: none;
}
[data-design="b"] .col-header__rule {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--col-rule);
}
[data-design="b"] .col-header__drift {
  position: absolute; bottom: 0; left: 50%;
  display: inline-flex; gap: 6px; align-items: flex-end;
  transform: translateX(-50%);
  animation: col-header-drift 24s cubic-bezier(0.5,0,0.5,1) infinite;
}
[data-design="b"] .col-header__drift .col-bar {
  display: block; width: 2px; background: var(--col-ink-2);
}
[data-design="b"] .col-header__drift .col-bar:nth-child(1){ height:6px; }
[data-design="b"] .col-header__drift .col-bar:nth-child(2){ height:9px; }
[data-design="b"] .col-header__drift .col-bar:nth-child(3){ height:14px; }
[data-design="b"] .col-header__drift .col-bar:nth-child(4){ height:9px; }
[data-design="b"] .col-header__drift .col-bar:nth-child(5){ height:6px; }

@keyframes col-header-drift {
  0%   { transform: translateX(calc(-50% - 14px)); }
  50%  { transform: translateX(calc(-50% + 14px)); }
  100% { transform: translateX(calc(-50% - 14px)); }
}

/* Drawer */
[data-design="b"] .col-drawer {
  position: fixed; inset: 0; background: var(--col-paper);
  padding: 96px var(--col-folio);
  display: flex; flex-direction: column; justify-content: space-between;
  z-index: 60;
}
[data-design="b"] .col-drawer[hidden] { display: none; }
[data-design="b"] .col-drawer__nav {
  display: flex; flex-direction: column; gap: 18px; counter-reset: nav;
}
[data-design="b"] .col-drawer__nav a {
  font-family: var(--col-display); font-size: 35px;
  color: var(--col-ink); text-decoration: none;
  border-bottom: 1px solid var(--col-rule); padding-bottom: 12px;
  display: flex; align-items: baseline; gap: 18px;
  counter-increment: nav;
}
[data-design="b"] .col-drawer__nav a::before {
  content: counter(nav, decimal-leading-zero) ".";
  font-family: var(--col-meta); font-size: 13px; color: var(--col-muted);
}
[data-design="b"] .col-drawer__nav a:hover { color: var(--col-mark); }
[data-design="b"] .col-drawer__ctas {
  display: flex; flex-direction: column; gap: 16px; margin-top: 32px;
}
[data-design="b"] .col-drawer__phone {
  font-family: var(--col-meta); font-size: 17px;
  color: var(--col-ink); text-decoration: none;
  letter-spacing: 0.06em;
}
[data-design="b"] .col-drawer__phone:hover { color: var(--col-mark); }
[data-design="b"] .col-drawer__caption {
  font-family: var(--col-meta); font-size: 11px; color: var(--col-muted);
  letter-spacing: 0.18em; text-transform: uppercase; margin-top: 24px;
}

/* ── E3: Hero + unique animated backdrop (blueprint-reveal) ──────── */
[data-design="b"] .col-hero {
  position: relative;
  min-height: clamp(360px, 72vh, 720px);
  display: flex; align-items: center;
  overflow: hidden;
  padding: var(--col-press) var(--col-folio);
}

/* Backdrop */
[data-design="b"] .col-hero__backdrop {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
  overflow: hidden;
}
[data-design="b"] .col-hero__blueprint {
  position: relative; width: 100%; height: 100%;
}
[data-design="b"] .col-blueprint-svg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0.28;
}

/* Blueprint lines draw in, then breathe slowly */
[data-design="b"] .bp-line {
  stroke: var(--col-ink-2);
  stroke-width: 0.6;
  fill: none;
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: col-bp-draw 1.8s cubic-bezier(0.32,0.08,0.24,1) forwards,
             col-bp-breath 8s cubic-bezier(0.5,0,0.5,1) 2s infinite;
}
[data-design="b"] .bp-line--1 { animation-delay: 0s, 2s; }
[data-design="b"] .bp-line--2 { animation-delay: 0.15s, 2.15s; }
[data-design="b"] .bp-line--3 { animation-delay: 0.3s, 2.3s; }
[data-design="b"] .bp-line--4 { animation-delay: 0.45s, 2.45s; }
[data-design="b"] .bp-line--5 { animation-delay: 0.6s, 2.6s; }
[data-design="b"] .bp-line--6 { animation-delay: 0.1s, 2.1s; }
[data-design="b"] .bp-line--7 { animation-delay: 0.25s, 2.25s; }
[data-design="b"] .bp-line--8 { animation-delay: 0.4s, 2.4s; }
[data-design="b"] .bp-line--9 { animation-delay: 0.55s, 2.55s; }

[data-design="b"] .bp-struct {
  stroke: var(--col-ink);
  stroke-width: 1.2;
  fill: none;
  stroke-dasharray: 2000;
  stroke-dashoffset: 2000;
  animation: col-bp-draw-struct 2s cubic-bezier(0.32,0.08,0.24,1) 0.6s forwards;
}
[data-design="b"] .bp-struct--1 { animation-delay: 0.7s; }
[data-design="b"] .bp-struct--2 { animation-delay: 0.9s; }
[data-design="b"] .bp-struct--3 { animation-delay: 1.0s; }
[data-design="b"] .bp-struct--4 { animation-delay: 1.1s; }
[data-design="b"] .bp-struct--5 { animation-delay: 1.2s; }

[data-design="b"] .bp-tick {
  stroke: var(--col-ink); stroke-width: 1;
  stroke-dasharray: 20; stroke-dashoffset: 20;
  animation: col-bp-tick-draw 0.4s cubic-bezier(0.85,0,0.15,1) forwards;
}
[data-design="b"] .bp-tick--1 { animation-delay: 1.3s; }
[data-design="b"] .bp-tick--2 { animation-delay: 1.4s; }
[data-design="b"] .bp-tick--3 { animation-delay: 1.5s; }
[data-design="b"] .bp-tick--4 { animation-delay: 1.6s; }

[data-design="b"] .bp-annot {
  stroke: var(--col-mark); stroke-width: 0.8; fill: none;
  stroke-dasharray: 200; stroke-dashoffset: 200;
  animation: col-bp-annot-draw 0.6s cubic-bezier(0.32,0.08,0.24,1) forwards;
}
[data-design="b"] .bp-annot--1 { animation-delay: 1.6s; }
[data-design="b"] .bp-annot--2 { animation-delay: 1.75s; }
[data-design="b"] .bp-annot--3 { animation-delay: 1.9s; }

[data-design="b"] .bp-label {
  font-family: var(--col-meta); font-size: 11px;
  fill: var(--col-muted);
  opacity: 0;
  animation: col-bp-label-fade 0.5s ease-out 2s forwards;
}

/* Warm tint wash — visible color field, adds opacity floor */
[data-design="b"] .col-hero__tint {
  position: absolute; inset: 0;
  background: linear-gradient(
    135deg,
    rgba(244,239,230,0.82) 0%,
    rgba(234,227,213,0.62) 50%,
    rgba(244,239,230,0.78) 100%
  );
  animation: col-hero-tint-shift 10s cubic-bezier(0.5,0,0.5,1) infinite;
}

@keyframes col-bp-draw {
  to { stroke-dashoffset: 0; }
}
@keyframes col-bp-breath {
  0%,100% { opacity: 0.7; }
  50%     { opacity: 1; }
}
@keyframes col-bp-draw-struct {
  to { stroke-dashoffset: 0; }
}
@keyframes col-bp-tick-draw {
  to { stroke-dashoffset: 0; }
}
@keyframes col-bp-annot-draw {
  to { stroke-dashoffset: 0; }
}
@keyframes col-bp-label-fade {
  to { opacity: 1; }
}
@keyframes col-hero-tint-shift {
  0%,100% { background-position: 0% 0%; }
  50%     { background-position: 100% 100%; }
}

/* Hero content */
[data-design="b"] .col-hero__content {
  position: relative; z-index: 1;
  max-width: min(640px, 100%);
  display: flex; flex-direction: column; gap: 16px;
}
[data-design="b"] .col-hero__eyebrow {
  margin: 0;
}
[data-design="b"] .col-hero__headline {
  font-family: var(--col-display);
  font-size: clamp(27px, 4vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.012em;
  color: var(--col-ink);
  margin: 0;
  /* opacity:1 at first paint — HARD RULE */
  opacity: 1;
}
[data-design="b"] .col-hero__subtitle {
  font-family: var(--col-body); font-size: 17px;
  color: var(--col-ink-2); margin: 0; line-height: 1.5;
  opacity: 1;
}
[data-design="b"] .col-hero__proof {
  font-family: var(--col-meta); font-size: 13px;
  color: var(--col-muted); margin: 0;
  text-transform: uppercase; letter-spacing: 0.12em;
  opacity: 1;
}

/* ── E2: Animated CTA (funnel-anchor) ────────────────────────────── */
[data-design="b"] .col-cta {
  display: inline-flex; align-items: center; gap: 18px;
  padding: 14px 18px 14px 22px;
  background: var(--col-mark); color: #F7F1E5;
  font-family: var(--col-grotesque); font-size: 15px; font-weight: 500;
  letter-spacing: 0.02em; text-decoration: none;
  border-radius: var(--col-r-1);
  transition: transform var(--motion-fast) cubic-bezier(0.2,0,0,1),
              background var(--motion-fast) cubic-bezier(0.2,0,0,1);
  position: relative;
  min-height: 44px;
  align-self: flex-start;
}
[data-design="b"] .col-cta__label {
  transition: transform var(--motion-fast) cubic-bezier(0.2,0,0,1);
}
[data-design="b"] .col-cta__bars {
  display: inline-flex; gap: 2px; align-items: flex-end;
  animation: col-cta-breath 5s cubic-bezier(0.5,0,0.5,1) infinite;
}
[data-design="b"] .col-cta__bars i {
  display: block; width: 2px; background: #F7F1E5;
  transition: height var(--motion-fast) cubic-bezier(0.2,0,0,1),
              opacity var(--motion-fast);
}
[data-design="b"] .col-cta__bars i:nth-child(1){ height:6px; }
[data-design="b"] .col-cta__bars i:nth-child(2){ height:9px; }
[data-design="b"] .col-cta__bars i:nth-child(3){ height:12px; }
[data-design="b"] .col-cta__bars i:nth-child(4){ height:14px; }
[data-design="b"] .col-cta__bars i:nth-child(5){ height:12px; }
[data-design="b"] .col-cta__bars i:nth-child(6){ height:9px; }
[data-design="b"] .col-cta__bars i:nth-child(7){ height:6px; }
[data-design="b"] .col-cta:hover { background: #7A171D; }
[data-design="b"] .col-cta:hover .col-cta__label { transform: translateX(-2px); }
[data-design="b"] .col-cta:hover .col-cta__bars i { transform: translateY(-1px); }
[data-design="b"] .col-cta:active { transform: translateY(1px); }
[data-design="b"] .col-cta:active .col-cta__bars i { transform: scaleY(0.6); transform-origin: bottom; }
[data-design="b"] .col-cta:focus-visible { outline: 2px solid var(--col-ink); outline-offset: 3px; }

@keyframes col-cta-breath {
  0%,100% { opacity: 0.78; }
  50%     { opacity: 1; }
}

/* ── E6: Pointer (between hero and funnel) ───────────────────────── */
[data-design="b"] .col-pointer-wrap {
  display: flex; flex-direction: column; align-items: center;
  padding: 36px var(--col-folio) 28px;
  /* HARD RULE: never opacity:0 / zero-height / reveal-gated */
  opacity: 1;
  min-height: 72px;
  position: relative;
}
[data-design="b"] .col-pointer {
  display: flex; align-items: center; gap: 16px;
  width: 100%; max-width: 560px;
  padding: 16px 0;
  font-family: var(--col-meta); font-size: 12px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--col-ink-2);
  font-variant-numeric: tabular-nums;
  /* visible at first paint */
  opacity: 1;
  min-height: 44px;
}
[data-design="b"] .col-pointer__rule-left,
[data-design="b"] .col-pointer__rule-right {
  flex: 0 0 32px; height: 1px; background: var(--col-rule);
}
[data-design="b"] .col-pointer__counter {
  font-size: 12px; letter-spacing: 0.16em; opacity: 0.75;
  white-space: nowrap;
}
[data-design="b"] .col-pointer__counter-now {
  display: inline-block; min-width: 1ch;
  animation: col-pointer-tick 320ms ease-out;
}
[data-design="b"] .col-pointer__bar {
  position: relative; flex: 1; height: 2px;
  background: var(--col-ink-2); opacity: 0.15;
  border-radius: 1px; overflow: hidden;
}
[data-design="b"] .col-pointer__bar-fill {
  position: absolute; inset: 0;
  width: var(--col-pointer-progress, 16%);
  background: var(--col-mark); opacity: 1;
  transition: width 480ms cubic-bezier(0.22,0.61,0.36,1);
}
[data-design="b"] .col-pointer__chev {
  font-size: 18px; opacity: 0.6;
  animation: col-pointer-chev 4s ease-in-out infinite;
}
[data-design="b"] .col-pointer__label {
  font-family: var(--col-meta); font-size: 11px;
  color: var(--col-muted); letter-spacing: 0.18em; text-transform: uppercase;
  margin: 0; margin-top: 8px;
}

@keyframes col-pointer-tick {
  0%   { transform: translateY(-6px); opacity: 0; }
  100% { transform: translateY(0);    opacity: 1; }
}
@keyframes col-pointer-chev {
  0%,100% { transform: translateX(0);   opacity: 0.45; }
  50%     { transform: translateX(4px); opacity: 0.9; }
}

/* ── E5: Funnel ──────────────────────────────────────────────────── */
[data-design="b"] .col-funnel-section {
  padding: var(--col-press) var(--col-folio);
  background: var(--col-paper);
  display: flex; flex-direction: column; align-items: center;
  border-top: 1px solid var(--col-rule);
}
[data-design="b"] .col-funnel__title {
  font-family: var(--col-display); font-size: 35px;
  letter-spacing: -0.012em;
  color: var(--col-ink-2); margin: 0 0 36px;
  text-align: center; max-width: 22ch;
}
[data-design="b"] .col-funnel {
  width: 100%; max-width: min(640px, 100% - 2 * var(--col-folio));
  background: var(--col-paper-2);
  padding: 36px 36px 28px;
  box-shadow: 0 0 0 1px var(--col-ink);
  border-radius: 0;
}
[data-design="b"] .col-funnel__progress {
  display: inline-flex; gap: 6px; align-items: flex-end;
  margin-bottom: 28px;
}
[data-design="b"] .col-funnel__progress i {
  display: block; width: 3px; background: var(--col-rule);
  transition: background 300ms cubic-bezier(0.32,0.08,0.24,1);
}
[data-design="b"] .col-funnel__progress i:nth-child(1){ height:8px; }
[data-design="b"] .col-funnel__progress i:nth-child(2){ height:12px; }
[data-design="b"] .col-funnel__progress i:nth-child(3){ height:16px; }
[data-design="b"] .col-funnel__progress i:nth-child(4){ height:18px; }
[data-design="b"] .col-funnel__progress i:nth-child(5){ height:16px; }
[data-design="b"] .col-funnel__progress i:nth-child(6){ height:12px; }
[data-design="b"] .col-funnel__progress i:nth-child(7){ height:8px; }
[data-design="b"] .col-funnel__progress i.is-on { background: var(--col-mark); }

[data-design="b"] .col-funnel__steps { position: relative; min-height: 260px; }
[data-design="b"] .col-funnel__step {
  border: 0; padding: 0; margin: 0;
  opacity: 0; filter: blur(6px); transform: translateY(8px);
  transition: opacity var(--motion-settle) cubic-bezier(0.32,0.08,0.24,1),
              filter  var(--motion-settle) cubic-bezier(0.32,0.08,0.24,1),
              transform var(--motion-settle) cubic-bezier(0.32,0.08,0.24,1);
}
[data-design="b"] .col-funnel__step.is-active {
  opacity: 1; filter: blur(0); transform: translateY(0);
}
[data-design="b"] .col-funnel__legend {
  font-family: var(--col-meta); font-size: 11px; color: var(--col-muted);
  text-transform: uppercase; letter-spacing: 0.18em;
  margin-bottom: 18px; padding: 0; display: block;
}
[data-design="b"] .col-funnel__choices {
  display: flex; flex-direction: column; gap: 8px;
}
[data-design="b"] .col-choice {
  display: flex; align-items: baseline; gap: 12px;
  font-family: var(--col-display); font-size: 21px; color: var(--col-ink);
  padding: 14px 16px; cursor: pointer; border: 1px solid transparent;
  background: var(--col-paper);
  transition: border-color var(--motion-fast) cubic-bezier(0.2,0,0,1),
              transform   var(--motion-fast) cubic-bezier(0.2,0,0,1);
  position: relative; min-height: 44px;
}
[data-design="b"] .col-choice input {
  position: absolute; opacity: 0; pointer-events: none;
}
[data-design="b"] .col-choice::before {
  content: ""; display: inline-block; width: 2px; height: 14px;
  background: var(--col-rule); flex-shrink: 0;
  transition: background 120ms;
}
[data-design="b"] .col-choice:hover { border-color: var(--col-ink); }
[data-design="b"] .col-choice.is-chosen { border-color: var(--col-ink); }
[data-design="b"] .col-choice.is-chosen::before { background: var(--col-mark); }
[data-design="b"] .col-choice.is-flash { animation: col-choice-flash 220ms cubic-bezier(0.2,0,0,1); }

@keyframes col-choice-flash {
  0%   { transform: translateX(0); }
  50%  { transform: translateX(3px); }
  100% { transform: translateX(0); }
}

[data-design="b"] .col-funnel__fields {
  display: flex; flex-direction: column; gap: 18px; margin-bottom: 18px;
}
[data-design="b"] .col-field {
  display: flex; flex-direction: column; gap: 4px;
  font-family: var(--col-meta); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.18em; color: var(--col-muted);
}
[data-design="b"] .col-field input,
[data-design="b"] .col-field textarea {
  font-family: var(--col-display); font-size: 17px; color: var(--col-ink);
  background: transparent; border: 0; border-bottom: 1px solid var(--col-rule);
  padding: 6px 0; border-radius: 0; resize: vertical;
  transition: border-color var(--motion-fast) cubic-bezier(0.2,0,0,1);
}
[data-design="b"] .col-field input:focus,
[data-design="b"] .col-field textarea:focus {
  outline: none; border-bottom-color: var(--col-mark); border-bottom-width: 2px;
}
[data-design="b"] .col-funnel__submit {
  font-family: var(--col-grotesque); font-size: 15px; font-weight: 500;
  padding: 12px 18px; background: var(--col-mark); color: #F7F1E5;
  border: 0; cursor: pointer; border-radius: var(--col-r-1);
  transition: background var(--motion-fast) cubic-bezier(0.2,0,0,1);
  min-height: 44px;
}
[data-design="b"] .col-funnel__submit:hover { background: #7A171D; }
[data-design="b"] .col-funnel__nav {
  display: flex; align-items: baseline; justify-content: space-between;
  flex-wrap: wrap; gap: 8px;
  padding-top: 22px; margin-top: 22px;
  border-top: 1px solid var(--col-rule);
}
[data-design="b"] .col-funnel__back {
  font-family: var(--col-meta); font-size: 11px; color: var(--col-muted);
  text-transform: uppercase; letter-spacing: 0.18em;
  background: transparent; border: 0; cursor: pointer; padding: 6px 0;
  min-height: 44px;
}
[data-design="b"] .col-funnel__back:hover { color: var(--col-ink); }
[data-design="b"] .col-funnel__back[hidden] { display: none; }
[data-design="b"] .col-funnel__sub-note {
  font-family: var(--col-meta); font-size: 11px; color: var(--col-muted);
  letter-spacing: 0.08em; margin: 0;
}
[data-design="b"] .col-funnel__done {
  display: flex; flex-direction: column; align-items: center;
  gap: 22px; text-align: center;
}
[data-design="b"] .col-funnel__stamp {
  display: inline-flex; gap: 4px; align-items: flex-end;
  transform: scale(0.8); opacity: 0;
  animation: col-funnel-stamp 700ms cubic-bezier(0.32,0.08,0.24,1) forwards;
}
[data-design="b"] .col-funnel__stamp i {
  display: block; width: 4px; background: var(--col-mark);
}
[data-design="b"] .col-funnel__stamp i:nth-child(1){ height:10px; }
[data-design="b"] .col-funnel__stamp i:nth-child(2){ height:16px; }
[data-design="b"] .col-funnel__stamp i:nth-child(3){ height:22px; }
[data-design="b"] .col-funnel__stamp i:nth-child(4){ height:26px; }
[data-design="b"] .col-funnel__stamp i:nth-child(5){ height:22px; }
[data-design="b"] .col-funnel__stamp i:nth-child(6){ height:16px; }
[data-design="b"] .col-funnel__stamp i:nth-child(7){ height:10px; }

@keyframes col-funnel-stamp {
  0%   { transform: scale(0.7); opacity: 0; }
  60%  { transform: scale(1.06); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}
[data-design="b"] .col-funnel__thanks {
  font-family: var(--col-display); font-size: 21px;
  color: var(--col-ink); margin: 0; max-width: 32ch;
}

/* ── E3 mid-page: Portfolio (Ambient A ledger) ───────────────────── */
[data-design="b"] .col-ledger {
  padding: var(--col-press) var(--col-folio);
  background: var(--col-paper);
  border-top: 1px solid var(--col-rule);
}
[data-design="b"] .col-ledger__head {
  margin-bottom: 56px; max-width: 56ch;
}
[data-design="b"] .col-ledger__head h2 {
  font-family: var(--col-display); font-size: 35px;
  letter-spacing: -0.012em; color: var(--col-ink-2);
  margin: 0; line-height: 1.08;
}
[data-design="b"] .col-ledger__rows {
  list-style: none; padding: 0; margin: 0;
  border-top: 1px solid var(--col-rule);
}
[data-design="b"] .col-ledger__rows li {
  display: grid;
  grid-template-columns: 56px minmax(160px, 1fr) minmax(0, 2fr) auto;
  gap: var(--col-gutter); align-items: baseline;
  padding: 22px 0; border-bottom: 1px solid var(--col-rule);
}
[data-design="b"] .col-ledger__idx {
  font-family: var(--col-meta); font-size: 13px; color: var(--col-muted);
}
[data-design="b"] .col-ledger__name {
  font-family: var(--col-display); font-size: 21px; color: var(--col-ink);
}
[data-design="b"] .col-ledger__note {
  font-family: var(--col-body); font-size: 15px;
  color: var(--col-ink-2); line-height: 1.5;
}
[data-design="b"] .col-ledger__rows li .col-bars-gauge {
  display: inline-flex; gap: 3px; align-items: flex-end;
  width: 84px; height: 18px;
}
[data-design="b"] .col-ledger__rows li .col-bars-gauge i {
  width: 2px; background: var(--col-rule);
  transition: background var(--motion-bar) cubic-bezier(0.85,0,0.15,1);
}
[data-design="b"] .col-ledger__rows li .col-bars-gauge i:nth-child(1){ height:6px; }
[data-design="b"] .col-ledger__rows li .col-bars-gauge i:nth-child(2){ height:8px; }
[data-design="b"] .col-ledger__rows li .col-bars-gauge i:nth-child(3){ height:10px; }
[data-design="b"] .col-ledger__rows li .col-bars-gauge i:nth-child(4){ height:12px; }
[data-design="b"] .col-ledger__rows li .col-bars-gauge i:nth-child(5){ height:14px; }
[data-design="b"] .col-ledger__rows li .col-bars-gauge i:nth-child(6){ height:16px; }
[data-design="b"] .col-ledger__rows li .col-bars-gauge i:nth-child(7){ height:18px; }
[data-design="b"] .col-ledger__rows li[data-drawn="1"] .col-bars-gauge i.is-on { background: var(--col-mark); }

/* Portfolio testimonials */
[data-design="b"] .col-portfolio__testimonials {
  margin-top: 64px; display: flex; flex-direction: column; gap: 32px;
}
[data-design="b"] .col-portfolio__testi-head { margin-bottom: 16px; }
[data-design="b"] .col-testimonial {
  border-left: 2px solid var(--col-rule);
  padding-left: 24px; margin: 0;
  max-width: 60ch;
}
[data-design="b"] .col-testimonial p {
  font-family: var(--col-display); font-size: 21px;
  color: var(--col-ink-2); margin: 0 0 8px; line-height: 1.4;
}
[data-design="b"] .col-testimonial__attr {
  font-family: var(--col-meta); font-size: 12px;
  color: var(--col-muted); letter-spacing: 0.1em;
  text-transform: uppercase; margin: 0;
}

/* Repeated funnel CTA */
[data-design="b"] .col-portfolio__cta-repeat {
  padding: 64px var(--col-folio) 96px;
  display: flex; flex-direction: column; gap: 16px;
  background: var(--col-paper-2); border-top: 1px solid var(--col-rule);
}

/* ── E4: Principles / Process (Ambient B depth-of-field) ─────────── */
[data-design="b"] .col-principles {
  padding: var(--col-press) var(--col-folio);
  background: var(--col-paper);
  border-top: 1px solid var(--col-rule);
}
[data-design="b"] .col-principles__stack {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 36px;
  max-width: 22ch;
  counter-reset: principle;
}
[data-design="b"] .col-principle {
  font-family: var(--col-display); font-size: clamp(27px, 4vw, 46px);
  line-height: 1.05; letter-spacing: -0.012em; color: var(--col-ink-2);
  filter: blur(2.8px); opacity: 0.42;
  transition: filter 1200ms cubic-bezier(0.5,0,0.5,1),
              opacity 1200ms cubic-bezier(0.5,0,0.5,1),
              color 1200ms cubic-bezier(0.5,0,0.5,1);
  counter-increment: principle;
  position: relative; padding-left: 28px;
}
[data-design="b"] .col-principle::before {
  content: counter(principle, decimal-leading-zero);
  position: absolute; left: 0; top: 8px;
  font-family: var(--col-meta); font-size: 13px; color: var(--col-muted);
}
[data-design="b"] .col-principle.is-focus {
  filter: blur(0); opacity: 1; color: var(--col-ink);
}
[data-design="b"] .col-principles[data-paused="1"] .col-principle { transition: none; }

/* ── Services ────────────────────────────────────────────────────── */
[data-design="b"] .col-services {
  padding: var(--col-press) var(--col-folio);
  border-top: 1px solid var(--col-rule);
  background: var(--col-paper);
}
[data-design="b"] .col-services__title {
  font-family: var(--col-display); font-size: 35px;
  letter-spacing: -0.012em; color: var(--col-ink-2); margin: 0 0 56px;
  max-width: 32ch; line-height: 1.08;
}
[data-design="b"] .col-services__grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}
[data-design="b"] .col-service-card {
  background: var(--col-paper-2); padding: var(--col-folio);
  border-left: 2px solid var(--col-mark);
}
[data-design="b"] .col-service-card h3 {
  font-family: var(--col-display); font-size: 27px;
  color: var(--col-ink); margin: 0 0 12px; letter-spacing: -0.008em;
}
[data-design="b"] .col-service-card p {
  font-family: var(--col-body); font-size: 16px;
  color: var(--col-ink-2); margin: 0; line-height: 1.55;
}
[data-design="b"] .col-meta-num {
  font-family: var(--col-meta); font-size: 11px;
  color: var(--col-muted); letter-spacing: 0.18em;
  display: block; margin-bottom: 12px; text-transform: uppercase;
}

/* ── About ───────────────────────────────────────────────────────── */
[data-design="b"] .col-about {
  padding: var(--col-press) var(--col-folio);
  border-top: 1px solid var(--col-rule);
  background: var(--col-paper-2);
}
[data-design="b"] .col-about__title {
  font-family: var(--col-display); font-size: 35px;
  letter-spacing: -0.012em; color: var(--col-ink); margin: 0 0 32px;
}
[data-design="b"] .col-about__body {
  max-width: 60ch;
}
[data-design="b"] .col-about__body p {
  font-family: var(--col-body); font-size: 17px;
  color: var(--col-ink-2); line-height: 1.6; margin: 0 0 16px;
}

/* ── Footer ──────────────────────────────────────────────────────── */
[data-design="b"] .col-footer {
  padding: var(--col-press-tight) var(--col-folio) 48px;
  background: var(--col-paper);
}
[data-design="b"] .col-footer__rule {
  border: 0; border-top: 1px solid var(--col-rule); margin: 0 0 40px;
}
[data-design="b"] .col-footer__inner {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
}
[data-design="b"] .col-footer__name {
  font-family: var(--col-display); font-size: 17px;
  color: var(--col-ink); margin: 0 0 6px;
}
[data-design="b"] .col-footer__meta {
  font-family: var(--col-meta); font-size: 11px;
  color: var(--col-muted); letter-spacing: 0.1em;
  text-transform: uppercase; margin: 0 0 4px;
}
[data-design="b"] .col-footer__phone {
  font-family: var(--col-meta); font-size: 17px;
  color: var(--col-ink); text-decoration: none; display: block;
  letter-spacing: 0.06em; margin-bottom: 12px;
}
[data-design="b"] .col-footer__phone:hover { color: var(--col-mark); }
[data-design="b"] .col-footer__cta-link {
  font-family: var(--col-grotesque); font-size: 14px;
  color: var(--col-mark); text-decoration: none;
  letter-spacing: 0.04em;
}
[data-design="b"] .col-footer__cta-link:hover { text-decoration: underline; }
[data-design="b"] .col-footer__col--legal { opacity: 0.72; }

/* ── Shared components ───────────────────────────────────────────── */
[data-design="b"] .col-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--col-meta); font-size: 11px; color: var(--col-muted);
  text-transform: uppercase; letter-spacing: 0.18em; margin: 0 0 14px;
}
[data-design="b"] .col-mark-bar {
  display: inline-block; width: 2px; height: 11px;
  background: var(--col-mark); flex-shrink: 0;
}
[data-design="b"] .col-sr {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 768px) {
  [data-design="b"].col-header,
  [data-design="b"] .col-header { padding-inline: var(--col-gutter); }
  [data-design="b"] .col-logo__name { font-size: 15px; }

  [data-design="b"] .col-hero {
    padding: var(--col-press-tight) var(--col-gutter);
    min-height: clamp(320px, 80vh, 560px);
  }

  [data-design="b"] .col-pointer-wrap { padding: 24px var(--col-gutter) 20px; }

  [data-design="b"] .col-funnel-section { padding: var(--col-press-mobile) var(--col-gutter); }
  [data-design="b"] .col-funnel {
    padding: 24px 22px 22px;
    max-width: 100%;
  }
  [data-design="b"] .col-funnel__title { font-size: 27px; margin-bottom: 24px; }
  [data-design="b"] .col-choice { font-size: 17px; padding: 12px 14px; }

  [data-design="b"] .col-ledger { padding: var(--col-press-tight) var(--col-gutter); }
  [data-design="b"] .col-ledger__rows li {
    grid-template-columns: 40px 1fr; row-gap: 6px;
  }
  [data-design="b"] .col-ledger__note { grid-column: 1 / -1; }
  [data-design="b"] .col-ledger__rows li .col-bars-gauge {
    grid-column: 2; justify-self: end;
  }

  [data-design="b"] .col-principles { padding: var(--col-press-tight) var(--col-gutter); }
  [data-design="b"] .col-principle { font-size: 27px; }

  [data-design="b"] .col-services { padding: var(--col-press-tight) var(--col-gutter); }
  [data-design="b"] .col-services__title { font-size: 27px; }

  [data-design="b"] .col-about { padding: var(--col-press-tight) var(--col-gutter); }
  [data-design="b"] .col-about__title { font-size: 27px; }

  [data-design="b"] .col-portfolio__cta-repeat { padding: 48px var(--col-gutter) 64px; }

  [data-design="b"] .col-drawer { padding: 80px var(--col-gutter); }
  [data-design="b"] .col-drawer__nav a { font-size: 27px; }

  [data-design="b"] .col-footer { padding: var(--col-press-mobile) var(--col-gutter) 36px; }
}

@media (max-width: 380px) {
  [data-design="b"] .col-principle { font-size: 21px; }
  [data-design="b"] .col-hero__headline { font-size: 23px; }
}

/* ── prefers-reduced-motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  /* Header drift */
  [data-design="b"] .col-header__drift { animation: none; transform: translate(-50%,0); }

  /* Hero blueprint — no draw-in, show at rest opacity */
  [data-design="b"] .bp-line,
  [data-design="b"] .bp-struct,
  [data-design="b"] .bp-tick,
  [data-design="b"] .bp-annot {
    animation: none;
    stroke-dashoffset: 0;
  }
  [data-design="b"] .bp-label { animation: none; opacity: 1; }
  [data-design="b"] .col-hero__tint { animation: none; }

  /* CTA */
  [data-design="b"] .col-cta,
  [data-design="b"] .col-cta__bars,
  [data-design="b"] .col-cta__bars i,
  [data-design="b"] .col-cta__label { animation: none; transition: none; }

  /* Pointer */
  [data-design="b"] .col-pointer__counter-now,
  [data-design="b"] .col-pointer__chev,
  [data-design="b"] .col-pointer__bar-fill { animation: none; transition: none; }

  /* Funnel steps — no blur transition, show active */
  [data-design="b"] .col-funnel__step {
    transition: none; filter: none; transform: none; opacity: 0;
  }
  [data-design="b"] .col-funnel__step.is-active { opacity: 1; }
  [data-design="b"] .col-funnel__stamp { animation: none; opacity: 1; transform: none; }
  [data-design="b"] .col-choice.is-flash { animation: none; }
  [data-design="b"] .col-funnel__progress i { transition: none; }

  /* Principles — all visible */
  [data-design="b"] .col-principle {
    filter: none; opacity: 1; color: var(--col-ink); transition: none;
  }

  /* Ledger bars */
  [data-design="b"] .col-ledger__rows li .col-bars-gauge i { transition: none; }
}

/* ── Anti-horizontal-scroll guard (HARD CONTRACT) ────────────────── */
[data-design="b"].dq-design,
[data-design="b"] .dq-design { max-width: 100%; overflow-x: clip; }
[data-design="b"] * { min-width: 0; }
[data-design="b"] img,
[data-design="b"] svg:not([data-keep-size]) { max-width: 100%; height: auto; }

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