/* =============================================================
   Pihlstrom Construction — Design A
   Colophon (MIT Press / Muriel Cooper) adapted for construction trade
   All selectors scoped to [data-design="a"]
   Primary: --design-a-primary exposed on [data-design="a"]
   ============================================================= */

/* ── Token system ── */
[data-design="a"] {
  /* Colophon color tokens */
  --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;

  /* Primary accent — exposed as required by build spec */
  --design-a-primary: var(--col-mark);

  /* 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;

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

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

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

  /* Defensive overflow — mobile safety */
  max-width: 100%;
  overflow-x: clip;
}

/* Universal min-width:0 reset */
[data-design="a"] * {
  min-width: 0;
  box-sizing: border-box;
}

/* Image / SVG safety */
[data-design="a"] img,
[data-design="a"] svg {
  max-width: 100%;
  height: auto;
}

/* ── Shared primitives ── */

[data-design="a"] .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="a"] .col-mark-bar {
  display: inline-block;
  width: 2px;
  height: 11px;
  background: var(--col-mark);
  flex-shrink: 0;
}
[data-design="a"] .col-stamp {
  display: inline-block;
  border: 1px solid var(--col-ink);
  font-family: var(--col-meta);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 7px;
  margin-right: 8px;
  margin-bottom: 6px;
}
[data-design="a"] .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;
}

/* ── ELEMENT 1: Header ── */

[data-design="a"] .col-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--col-paper);
  padding: 18px var(--col-folio) 0;
}
[data-design="a"] .rf-header__bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--col-gutter);
  padding-bottom: 14px;
}

/* Logo — 2 text children only (name + colophon bars) */
[data-design="a"] .col-logo {
  display: inline-flex;
  align-items: baseline;
  gap: 14px;
  text-decoration: none;
  color: var(--col-ink);
}
[data-design="a"] .col-logo__name {
  font-family: var(--col-display);
  font-size: 21px;
  letter-spacing: -0.006em;
}
[data-design="a"] .col-logo__colophon {
  display: inline-flex;
  gap: 2px;
  align-items: flex-end;
}
[data-design="a"] .col-logo__colophon i {
  display: block;
  width: 2px;
  background: var(--col-mark);
}
[data-design="a"] .col-logo__colophon i:nth-child(1) { height: 6px; }
[data-design="a"] .col-logo__colophon i:nth-child(2) { height: 9px; }
[data-design="a"] .col-logo__colophon i:nth-child(3) { height: 12px; }
[data-design="a"] .col-logo__colophon i:nth-child(4) { height: 14px; }
[data-design="a"] .col-logo__colophon i:nth-child(5) { height: 12px; }
[data-design="a"] .col-logo__colophon i:nth-child(6) { height: 9px; }
[data-design="a"] .col-logo__colophon i:nth-child(7) { height: 6px; }

/* Burger */
[data-design="a"] .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);
  flex-shrink: 0;
}
[data-design="a"] .col-burger span {
  width: 16px;
  height: 1px;
  background: var(--col-ink);
  display: block;
}
[data-design="a"] .col-burger:hover { background: var(--col-paper-2); }
[data-design="a"] .col-burger:focus-visible {
  outline: 2px solid var(--col-mark);
  outline-offset: 2px;
}

/* Header atmosphere */
[data-design="a"] .col-header__atmosphere {
  position: relative;
  height: 14px;
  pointer-events: none;
}
[data-design="a"] .col-header__rule {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--col-rule);
}
[data-design="a"] .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="a"] .col-header__drift .col-bar {
  display: block;
  width: 2px;
  background: var(--col-ink-2);
}
[data-design="a"] .col-header__drift .col-bar:nth-child(1) { height: 6px; }
[data-design="a"] .col-header__drift .col-bar:nth-child(2) { height: 9px; }
[data-design="a"] .col-header__drift .col-bar:nth-child(3) { height: 14px; }
[data-design="a"] .col-header__drift .col-bar:nth-child(4) { height: 9px; }
[data-design="a"] .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="a"] .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="a"] .col-drawer[hidden] { display: none; }
[data-design="a"] .col-drawer__nav {
  display: flex;
  flex-direction: column;
  gap: 18px;
  counter-reset: nav;
}
[data-design="a"] .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;
  min-height: 44px;
}
[data-design="a"] .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="a"] .col-drawer__nav a:hover { color: var(--col-mark); }
[data-design="a"] .col-drawer__caption {
  font-family: var(--col-meta);
  font-size: 11px;
  color: var(--col-muted);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0;
}

/* ── ELEMENT 3: Hero backdrop + Hero composition ── */

[data-design="a"] .col-hero {
  position: relative;
  min-height: min(80vh, 720px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--col-ink); /* fallback while images load */
}

/* Ken-Burns backdrop — single animated layer (hero.md: exactly one) */
[data-design="a"] .col-hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
}
[data-design="a"] .col-hero__kb-track {
  position: absolute;
  inset: 0;
}
[data-design="a"] .col-hero__kb-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  /* Ken-Burns: slow scale 2% → 1.04 over 8s + cross-fade cycle */
  animation: col-kb-slide 24s linear infinite;
  transform-origin: center center;
}
/* Three slides offset by 8s each.
   First slide starts visible immediately (opacity:1 at first paint via is-active class)
   so there is no blank-photo flash at load. */
[data-design="a"] .col-hero__kb-slide:nth-child(1) { animation-delay: 0s; }
[data-design="a"] .col-hero__kb-slide:nth-child(2) { animation-delay: 8s; }
[data-design="a"] .col-hero__kb-slide:nth-child(3) { animation-delay: 16s; }
/* is-active: first slide is opacity:1 at first paint, independent of animation frame */
[data-design="a"] .col-hero__kb-slide.is-active {
  opacity: 1;
  animation: col-kb-slide-first 24s linear infinite;
}
@keyframes col-kb-slide-first {
  0%   { opacity: 1;    transform: scale(1); }
  30%  { opacity: 1;    transform: scale(1.08); }
  37%  { opacity: 0;    transform: scale(1.10); }
  100% { opacity: 0;    transform: scale(1); }
}

@keyframes col-kb-slide {
  0%   { opacity: 0;    transform: scale(1); }
  4%   { opacity: 1; }
  30%  { opacity: 1;    transform: scale(1.08); } /* ≥15% amplitude */
  37%  { opacity: 0;    transform: scale(1.10); }
  100% { opacity: 0;    transform: scale(1); }
}

/* Paper wash overlay — warm tint so text reads without extra shadow */
[data-design="a"] .col-hero__wash {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(21, 22, 26, 0.30) 0%,
    rgba(21, 22, 26, 0.55) 60%,
    rgba(21, 22, 26, 0.75) 100%
  );
}

/* Hero text content — z-index above backdrop; opacity:1 by default; NO JS dependency */
[data-design="a"] .col-hero__content {
  position: relative;
  z-index: 1;
  padding: var(--col-folio) var(--col-folio) 72px;
  max-width: 780px;
}
[data-design="a"] .col-hero__eyebrow {
  color: rgba(244, 239, 230, 0.72);
  margin-bottom: 18px;
}
[data-design="a"] .col-hero__eyebrow .col-mark-bar {
  background: var(--col-mark);
}
/* Headline — opacity:1 default, no animation gate */
[data-design="a"] .col-hero__headline {
  font-family: var(--col-display);
  font-size: clamp(35px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.012em;
  color: #F4EFE6;
  margin: 0 0 20px;
  opacity: 1;
}
/* Subtitle — opacity:1 default */
[data-design="a"] .col-hero__subtitle {
  font-family: var(--col-body);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.45;
  color: rgba(244, 239, 230, 0.88);
  margin: 0 0 14px;
  max-width: 60ch;
  opacity: 1;
}
/* Proof point — opacity:1 default */
[data-design="a"] .col-hero__proof {
  font-family: var(--col-meta);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(244, 239, 230, 0.65);
  margin: 0 0 32px;
  opacity: 1;
}

/* Trust chip */
[data-design="a"] .col-hero__trust-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--col-meta);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(244, 239, 230, 0.6);
  margin-top: 14px;
  padding: 5px 10px 5px 7px;
  border: 1px solid rgba(244, 239, 230, 0.2);
}
[data-design="a"] .col-trust__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--col-mark);
  flex-shrink: 0;
}

/* ── ELEMENT 2: CTA (funnel anchor) ── */

[data-design="a"] .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, 2px);
  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;
}
[data-design="a"] .col-cta__label {
  transition: transform var(--motion-fast) cubic-bezier(0.2, 0, 0, 1);
}
[data-design="a"] .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="a"] .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="a"] .col-cta__bars i:nth-child(1) { height: 6px; }
[data-design="a"] .col-cta__bars i:nth-child(2) { height: 9px; }
[data-design="a"] .col-cta__bars i:nth-child(3) { height: 12px; }
[data-design="a"] .col-cta__bars i:nth-child(4) { height: 14px; }
[data-design="a"] .col-cta__bars i:nth-child(5) { height: 12px; }
[data-design="a"] .col-cta__bars i:nth-child(6) { height: 9px; }
[data-design="a"] .col-cta__bars i:nth-child(7) { height: 6px; }
[data-design="a"] .col-cta:hover { background: #7A171D; }
[data-design="a"] .col-cta:hover .col-cta__label { transform: translateX(-2px); }
[data-design="a"] .col-cta:hover .col-cta__bars i { transform: translateY(-1px); }
[data-design="a"] .col-cta:active { transform: translateY(1px); }
[data-design="a"] .col-cta:active .col-cta__bars i { transform: scaleY(0.6); transform-origin: bottom; }
[data-design="a"] .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;    }
}

/* ── ELEMENT 6: Pointer — dimension-line wayfinding (BELOW hero, NOT inside it) ── */

[data-design="a"] .col-pointer-wrap {
  background: var(--col-paper);
  padding: 48px var(--col-folio) 32px;
  display: flex;
  justify-content: center;
  overflow: hidden;
}
[data-design="a"] .col-pointer__dimension {
  width: 100%;
  max-width: 480px;
  color: var(--col-ink-2);
}
[data-design="a"] .col-pointer__svg {
  width: 100%;
  height: 48px;
  display: block;
}

/* Dimension-line draw-in animation */
[data-design="a"] .col-dim__line--left {
  stroke-dasharray: 155;
  stroke-dashoffset: 155;
  animation: col-dim-draw-left 1.2s cubic-bezier(0.85, 0, 0.15, 1) 0.3s forwards;
}
[data-design="a"] .col-dim__line--right {
  stroke-dasharray: 155;
  stroke-dashoffset: 155;
  animation: col-dim-draw-right 1.2s cubic-bezier(0.85, 0, 0.15, 1) 0.3s forwards;
}
[data-design="a"] .col-dim__tick--left,
[data-design="a"] .col-dim__tick--right {
  stroke-dasharray: 32;
  stroke-dashoffset: 32;
  animation: col-dim-tick 0.4s cubic-bezier(0.85, 0, 0.15, 1) 1.3s forwards;
}
[data-design="a"] .col-dim__label {
  opacity: 0;
  animation: col-dim-label 0.5s ease-out 1.0s forwards;
}
[data-design="a"] .col-dim__arrow-shaft {
  stroke-dasharray: 14;
  stroke-dashoffset: 14;
  animation: col-dim-arrow 0.4s ease-out 1.5s forwards;
}
[data-design="a"] .col-dim__arrow-head {
  stroke-dasharray: 20;
  stroke-dashoffset: 20;
  animation: col-dim-arrow 0.35s ease-out 1.75s forwards;
}

@keyframes col-dim-draw-left {
  to { stroke-dashoffset: 0; }
}
@keyframes col-dim-draw-right {
  from { stroke-dashoffset: 155; }
  to   { stroke-dashoffset: 0; }
}
@keyframes col-dim-tick {
  to { stroke-dashoffset: 0; }
}
@keyframes col-dim-label {
  to { opacity: 1; }
}
@keyframes col-dim-arrow {
  to { stroke-dashoffset: 0; }
}

/* Subtle downward nudge on the arrow after draw-in completes */
[data-design="a"] .col-dim__arrow-shaft,
[data-design="a"] .col-dim__arrow-head {
  animation-fill-mode: forwards;
}

/* ── ELEMENT 5: Funnel ── */

[data-design="a"] .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="a"] .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="a"] .col-funnel {
  width: 100%;
  max-width: 640px;
  background: var(--col-paper-2);
  padding: 36px 36px 28px;
  position: relative;
  box-shadow: 0 0 0 1px var(--col-ink);
  border-radius: 0;
}
[data-design="a"] .col-funnel__progress {
  display: inline-flex;
  gap: 6px;
  align-items: flex-end;
  margin-bottom: 28px;
}
[data-design="a"] .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="a"] .col-funnel__progress i:nth-child(1) { height: 8px; }
[data-design="a"] .col-funnel__progress i:nth-child(2) { height: 12px; }
[data-design="a"] .col-funnel__progress i:nth-child(3) { height: 16px; }
[data-design="a"] .col-funnel__progress i:nth-child(4) { height: 18px; }
[data-design="a"] .col-funnel__progress i:nth-child(5) { height: 16px; }
[data-design="a"] .col-funnel__progress i:nth-child(6) { height: 12px; }
[data-design="a"] .col-funnel__progress i:nth-child(7) { height: 8px; }
[data-design="a"] .col-funnel__progress i.is-on { background: var(--col-mark); }
[data-design="a"] .col-funnel__steps {
  position: relative;
  min-height: 280px;
}
[data-design="a"] .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);
  width: 100%;
}
[data-design="a"] .col-funnel__step.is-active {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}
[data-design="a"] .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;
  width: 100%;
}
[data-design="a"] .col-funnel__choices {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
[data-design="a"] .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="a"] .col-choice input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
[data-design="a"] .col-choice::before {
  content: "";
  display: inline-block;
  width: 2px;
  height: 14px;
  background: var(--col-rule);
  transition: background 120ms;
  flex-shrink: 0;
}
[data-design="a"] .col-choice:hover { border-color: var(--col-ink); }
[data-design="a"] .col-choice.is-chosen { border-color: var(--col-ink); }
[data-design="a"] .col-choice.is-chosen::before { background: var(--col-mark); }
[data-design="a"] .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); }
}

/* Step 5 contact fields */
[data-design="a"] .col-funnel__fields {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 18px;
}
[data-design="a"] .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="a"] .col-field input,
[data-design="a"] .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;
  transition: border-color var(--motion-fast) cubic-bezier(0.2, 0, 0, 1);
  resize: vertical;
  width: 100%;
}
[data-design="a"] .col-field input:focus,
[data-design="a"] .col-field textarea:focus {
  outline: none;
  border-bottom-color: var(--col-mark);
  border-bottom-width: 2px;
}
[data-design="a"] .col-funnel__submit {
  font-family: var(--col-grotesque);
  font-size: 15px;
  font-weight: 500;
  padding: 14px 22px;
  background: var(--col-mark);
  color: #F7F1E5;
  border: 0;
  cursor: pointer;
  border-radius: var(--col-r-1, 2px);
  transition: background var(--motion-fast) cubic-bezier(0.2, 0, 0, 1);
  min-height: 44px;
  margin-top: 8px;
}
[data-design="a"] .col-funnel__submit:hover { background: #7A171D; }
[data-design="a"] .col-funnel__below-note {
  font-family: var(--col-meta);
  font-size: 11px;
  color: var(--col-muted);
  letter-spacing: 0.06em;
  margin: 14px 0 0;
  line-height: 1.6;
}
[data-design="a"] .col-funnel__nav {
  display: flex;
  justify-content: space-between;
  padding-top: 22px;
  margin-top: 22px;
  border-top: 1px solid var(--col-rule);
}
[data-design="a"] .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="a"] .col-funnel__back:hover { color: var(--col-ink); }
[data-design="a"] .col-funnel__back[hidden] { visibility: hidden; }

/* Done plate */
[data-design="a"] .col-funnel__done {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  text-align: center;
  padding: 32px 0;
}
[data-design="a"] .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="a"] .col-funnel__stamp i {
  display: block;
  width: 4px;
  background: var(--col-mark);
}
[data-design="a"] .col-funnel__stamp i:nth-child(1) { height: 10px; }
[data-design="a"] .col-funnel__stamp i:nth-child(2) { height: 16px; }
[data-design="a"] .col-funnel__stamp i:nth-child(3) { height: 22px; }
[data-design="a"] .col-funnel__stamp i:nth-child(4) { height: 26px; }
[data-design="a"] .col-funnel__stamp i:nth-child(5) { height: 22px; }
[data-design="a"] .col-funnel__stamp i:nth-child(6) { height: 16px; }
[data-design="a"] .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="a"] .col-funnel__thanks {
  font-family: var(--col-display);
  font-size: 21px;
  color: var(--col-ink);
  margin: 0;
  max-width: 32ch;
}
[data-design="a"] .col-funnel__thanks-sub {
  font-family: var(--col-meta);
  font-size: 11px;
  color: var(--col-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 4px 0 0;
}

/* Below-funnel trust block */
[data-design="a"] .col-funnel__trust-block {
  margin-top: 32px;
  text-align: center;
}
[data-design="a"] .col-funnel__trust-line,
[data-design="a"] .col-funnel__trust-contact {
  font-family: var(--col-meta);
  font-size: 11px;
  color: var(--col-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 6px 0;
}
[data-design="a"] .col-funnel__trust-contact a {
  color: var(--col-ink-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── PORTFOLIO — Element 4 feature + gallery grid ── */

[data-design="a"] .col-portfolio {
  padding: var(--col-press) var(--col-folio);
  background: var(--col-paper-2);
  border-top: 1px solid var(--col-rule);
}
[data-design="a"] .col-section__head {
  margin-bottom: 56px;
  max-width: 56ch;
}
[data-design="a"] .col-section__title {
  font-family: var(--col-display);
  font-size: 35px;
  letter-spacing: -0.012em;
  color: var(--col-ink-2);
  margin: 0 0 12px;
  line-height: 1.08;
}
[data-design="a"] .col-section__sub {
  font-family: var(--col-body);
  font-size: 17px;
  color: var(--col-ink-2);
  margin: 0;
  line-height: 1.55;
}

/* Element 4 — Ken-Burns feature image (different photo from hero) */
[data-design="a"] .col-portfolio__feature {
  position: relative;
  height: 420px;
  margin-bottom: 56px;
  overflow: hidden;
}
[data-design="a"] .col-portfolio__feature-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  animation: col-kb-feature 12s cubic-bezier(0.5, 0, 0.5, 1) infinite alternate;
}
@keyframes col-kb-feature {
  0%   { transform: scale(1) translateX(0); }
  100% { transform: scale(1.08) translateX(-2%); }
}
[data-design="a"] .col-portfolio__feature-wash {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 40%,
    rgba(21, 22, 26, 0.60) 100%
  );
}
[data-design="a"] .col-portfolio__feature-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 32px;
  z-index: 1;
}
[data-design="a"] .col-portfolio__feature-caption .col-eyebrow {
  color: rgba(244, 239, 230, 0.72);
}
[data-design="a"] .col-portfolio__feature-note {
  font-family: var(--col-meta);
  font-size: 11px;
  color: rgba(244, 239, 230, 0.6);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0;
}

/* Gallery grid — 2-up on desktop, 1-up on mobile */
[data-design="a"] .col-portfolio__grid {
  list-style: none;
  padding: 0;
  margin: 0 0 56px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
[data-design="a"] .col-portfolio__item {
  overflow: hidden;
  background: var(--col-ink);
}
[data-design="a"] .col-portfolio__item img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
  transition: transform 600ms cubic-bezier(0.5, 0, 0.5, 1);
}
[data-design="a"] .col-portfolio__item:hover img {
  transform: scale(1.03);
}

/* Repeated CTA */
[data-design="a"] .col-portfolio__repeat-cta {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--col-rule);
}

/* ── ELEMENT 3 Ambient A: Services ledger ── */

[data-design="a"] .col-ledger {
  padding: var(--col-press) var(--col-folio);
  background: var(--col-paper);
  border-top: 1px solid var(--col-rule);
}
[data-design="a"] .col-ledger__head {
  margin-bottom: 56px;
  max-width: 56ch;
}
[data-design="a"] .col-ledger 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="a"] .col-ledger__rows {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--col-rule);
}
[data-design="a"] .col-ledger__rows li {
  display: grid;
  grid-template-columns: 56px minmax(180px, 1fr) minmax(0, 2fr) auto;
  gap: var(--col-gutter);
  align-items: baseline;
  padding: 22px 0;
  border-bottom: 1px solid var(--col-rule);
  position: relative;
}
[data-design="a"] .col-ledger__idx {
  font-family: var(--col-meta);
  font-size: 13px;
  color: var(--col-muted);
}
[data-design="a"] .col-ledger__name {
  font-family: var(--col-display);
  font-size: 21px;
  color: var(--col-ink);
}
[data-design="a"] .col-ledger__note {
  font-family: var(--col-body);
  font-size: 15px;
  color: var(--col-ink-2);
  line-height: 1.5;
}
[data-design="a"] .col-bars-gauge {
  display: inline-flex;
  gap: 3px;
  align-items: flex-end;
  width: 84px;
  height: 18px;
}
[data-design="a"] .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="a"] .col-bars-gauge i:nth-child(1) { height: 6px; }
[data-design="a"] .col-bars-gauge i:nth-child(2) { height: 8px; }
[data-design="a"] .col-bars-gauge i:nth-child(3) { height: 10px; }
[data-design="a"] .col-bars-gauge i:nth-child(4) { height: 12px; }
[data-design="a"] .col-bars-gauge i:nth-child(5) { height: 14px; }
[data-design="a"] .col-bars-gauge i:nth-child(6) { height: 16px; }
[data-design="a"] .col-bars-gauge i:nth-child(7) { height: 18px; }
[data-design="a"] .col-ledger__rows li[data-drawn="1"] .col-bars-gauge i.is-on { background: var(--col-mark); }

/* ── About ── */

[data-design="a"] .col-about {
  padding: var(--col-press) var(--col-folio);
  background: var(--col-paper-2);
  border-top: 1px solid var(--col-rule);
}
[data-design="a"] .col-about__inner {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 56px;
  align-items: start;
}
[data-design="a"] .col-about__title {
  font-family: var(--col-display);
  font-size: 35px;
  letter-spacing: -0.012em;
  color: var(--col-ink-2);
  margin: 0 0 18px;
  line-height: 1.08;
}
[data-design="a"] .col-about__credentials {
  margin-top: 14px;
}
[data-design="a"] .col-about__bio p {
  font-family: var(--col-body);
  font-size: 17px;
  color: var(--col-ink-2);
  line-height: 1.6;
  margin: 0 0 18px;
  max-width: 65ch;
}
[data-design="a"] .col-about__pull {
  font-family: var(--col-display);
  font-size: 21px;
  color: var(--col-ink);
  border-left: 2px solid var(--col-mark);
  padding-left: 18px;
  margin-bottom: 28px !important;
  line-height: 1.35;
}
[data-design="a"] .col-about__area-list {
  font-family: var(--col-meta);
  font-size: 13px;
  color: var(--col-ink-2);
  letter-spacing: 0.08em;
  margin: 6px 0 0;
}

/* ── ELEMENT 4 Ambient B: Principles (depth-of-field) ── */

[data-design="a"] .col-principles {
  padding: var(--col-press) var(--col-folio);
  background: var(--col-paper);
  border-top: 1px solid var(--col-rule);
}
[data-design="a"] .col-principles__stack {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  display: flex;
  flex-direction: column;
  gap: 36px;
  max-width: 22ch;
  counter-reset: principle;
}
[data-design="a"] .col-principle {
  font-family: var(--col-display);
  font-size: 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="a"] .col-principles__stack { counter-reset: principle; }
[data-design="a"] .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="a"] .col-principle.is-focus {
  filter: blur(0);
  opacity: 1;
  color: var(--col-ink);
}
[data-design="a"] .col-principles[data-paused="1"] .col-principle { transition: none; }

/* ── Footer ── */

[data-design="a"] .col-footer {
  padding: var(--col-press-tight) var(--col-folio);
  background: var(--col-paper);
  border-top: 1px solid var(--col-rule);
}
[data-design="a"] .col-footer__rule {
  border: 0;
  height: 1px;
  background: var(--col-rule);
  margin: 0 0 40px;
}
[data-design="a"] .col-footer__inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--col-gutter);
  margin-bottom: 32px;
}
[data-design="a"] .col-footer__firm {
  font-family: var(--col-display);
  font-size: 17px;
  color: var(--col-ink);
  margin: 0 0 8px;
}
[data-design="a"] .col-footer__meta {
  font-family: var(--col-meta);
  font-size: 11px;
  color: var(--col-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 4px 0;
}
[data-design="a"] .col-footer__contact {
  display: block;
  font-family: var(--col-meta);
  font-size: 12px;
  color: var(--col-ink-2);
  text-decoration: underline;
  text-underline-offset: 3px;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
[data-design="a"] .col-footer__funnel-link {
  display: block;
  font-family: var(--col-grotesque);
  font-size: 13px;
  color: var(--col-mark);
  text-decoration: none;
  font-weight: 500;
}
[data-design="a"] .col-footer__funnel-link:hover { text-decoration: underline; }
[data-design="a"] .col-footer__caption {
  font-family: var(--col-meta);
  font-size: 10px;
  color: var(--col-muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0;
  border-top: 1px solid var(--col-rule);
  padding-top: 24px;
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════ */

/* 768px and below */
@media (max-width: 768px) {
  [data-design="a"] .col-header { padding-inline: var(--col-gutter); }
  [data-design="a"] .col-hero { min-height: min(70vh, 560px); }
  [data-design="a"] .col-hero__content { padding: var(--col-gutter) var(--col-gutter) 56px; }
  [data-design="a"] .col-pointer-wrap { padding: 32px var(--col-gutter) 24px; }
  [data-design="a"] .col-funnel-section { padding: var(--col-press-tight) var(--col-gutter); }
  [data-design="a"] .col-funnel { padding: 24px 22px 22px; }
  [data-design="a"] .col-funnel__title { font-size: 27px; margin-bottom: 24px; }
  [data-design="a"] .col-choice { font-size: 17px; padding: 12px 14px; }
  [data-design="a"] .col-portfolio { padding: var(--col-press-tight) var(--col-gutter); }
  [data-design="a"] .col-portfolio__grid { grid-template-columns: 1fr; gap: 20px; }
  [data-design="a"] .col-portfolio__feature { height: 280px; }
  [data-design="a"] .col-ledger { padding: var(--col-press-tight) var(--col-gutter); }
  [data-design="a"] .col-ledger__rows li { grid-template-columns: 40px 1fr; row-gap: 6px; }
  [data-design="a"] .col-ledger__note { grid-column: 1 / -1; }
  [data-design="a"] .col-bars-gauge { grid-column: 2; justify-self: end; }
  [data-design="a"] .col-about { padding: var(--col-press-tight) var(--col-gutter); }
  [data-design="a"] .col-about__inner { grid-template-columns: 1fr; gap: 32px; }
  [data-design="a"] .col-principles { padding: var(--col-press-tight) var(--col-gutter); }
  [data-design="a"] .col-principle { font-size: 27px; }
  [data-design="a"] .col-footer { padding: 40px var(--col-gutter); }
  [data-design="a"] .col-footer__inner { grid-template-columns: 1fr; gap: 24px; }
  [data-design="a"] .col-drawer { padding: 80px var(--col-gutter); }
  [data-design="a"] .col-drawer__nav a { font-size: 27px; }
}

/* 560px and below */
@media (max-width: 560px) {
  [data-design="a"] .col-logo__name { font-size: 17px; }
  [data-design="a"] .col-hero__headline { font-size: 35px; }
  [data-design="a"] .col-hero__content { padding-bottom: 48px; }
  [data-design="a"] .col-portfolio__item img { height: 220px; }
}

/* 380px and below */
@media (max-width: 380px) {
  [data-design="a"] .col-principle { font-size: 21px; }
}

/* ── Reduced-motion fallbacks ── */
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .col-header__drift { animation: none; transform: translate(-50%, 0); }
  [data-design="a"] .col-cta,
  [data-design="a"] .col-cta__bars,
  [data-design="a"] .col-cta__bars i,
  [data-design="a"] .col-cta__label { animation: none; transition: none; }
  [data-design="a"] .col-hero__kb-slide {
    animation: none;
    opacity: 0;
    transform: none;
  }
  [data-design="a"] .col-hero__kb-slide.is-active,
  [data-design="a"] .col-hero__kb-slide:first-child { opacity: 1; }
  [data-design="a"] .col-dim__line--left,
  [data-design="a"] .col-dim__line--right,
  [data-design="a"] .col-dim__tick--left,
  [data-design="a"] .col-dim__tick--right { animation: none; stroke-dashoffset: 0; }
  [data-design="a"] .col-dim__label { animation: none; opacity: 1; }
  [data-design="a"] .col-dim__arrow-shaft,
  [data-design="a"] .col-dim__arrow-head { animation: none; stroke-dashoffset: 0; }
  [data-design="a"] .col-funnel__step { transition: none; filter: none; transform: none; opacity: 0; }
  [data-design="a"] .col-funnel__step.is-active { opacity: 1; }
  [data-design="a"] .col-funnel__stamp { animation: none; opacity: 1; transform: none; }
  [data-design="a"] .col-choice.is-flash { animation: none; }
  [data-design="a"] .col-funnel__progress i { transition: none; }
  [data-design="a"] .col-bars-gauge i { transition: none; }
  [data-design="a"] .col-principle { filter: none; opacity: 1; color: var(--col-ink); transition: none; }
  [data-design="a"] .col-portfolio__feature-img { animation: none; transform: none; }
  [data-design="a"] .col-portfolio__item img { transition: none; }
}