/* ═══════════════════════════════════════════════════════════
   The Implant Center — Portland
   Design A · Chambers (remapped [data-design="a"])
   v1.0 — 2026-06-11
═══════════════════════════════════════════════════════════ */

/* ── Token system (chambers palette, remapped to slot "a") ── */
[data-design="a"] {
  --design-a-primary:    #2B2D52;

  --ch-bg:           #FAFAF7;
  --ch-surface:      #FFFFFF;
  --ch-surface-2:    #F3F3EE;
  --ch-ink:          #14151A;
  --ch-ink-2:        #2A2C34;
  --ch-muted:        #6E7180;
  --ch-hairline:     #E6E6DF;
  --ch-hairline-2:   #D3D3CC;
  --ch-accent:       #2B2D52;
  --ch-accent-soft:  #E4E5F0;
  --ch-on-accent:    #FAFAF7;
  --ch-focus:        #7E86FF;
  --ch-critical:     #B8443A;
  --ch-success:      #4F7A5C;

  --ch-space-clay:   #C8654A;
  --ch-space-sage:   #708970;
  --ch-space-ochre:  #B89148;
  --ch-space-slate:  #5F6B7A;

  --ch-font-display: "Söhne", "Inter", -apple-system, "SF Pro Display", system-ui, sans-serif;
  --ch-font-body:    -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", system-ui, sans-serif;
  --ch-font-mono:    "Berkeley Mono", "JetBrains Mono", "SF Mono", ui-monospace, monospace;

  --ch-text-xs:   12px;
  --ch-text-sm:   14px;
  --ch-text-base: 15px;
  --ch-text-md:   17px;
  --ch-text-lg:   22px;
  --ch-text-xl:   30px;
  --ch-text-2xl:  44px;

  --ch-tracking-tight: -0.022em;
  --ch-tracking-mono:  -0.01em;
  --ch-leading-body:   1.55;
  --ch-leading-tight:  1.08;

  --ch-step:    4px;
  --ch-row:     8px;
  --ch-tight:   12px;
  --ch-comfy:   20px;
  --ch-section: 96px;

  --ch-spring:  cubic-bezier(0.34, 1.56, 0.64, 1);
  --ch-glide:   cubic-bezier(0.22, 0.61, 0.36, 1);
  --ch-snap:    cubic-bezier(0.5,  0,    0.1,  1);

  --ch-fast:    140ms;
  --ch-base:    220ms;
  --ch-slow:    420ms;
  --ch-ambient: 18s;

  --ch-r-pill:  9999px;
  --ch-r-md:    8px;
  --ch-r-lg:    12px;
  --ch-r-xl:    16px;

  --ch-elev-0:       none;
  --ch-elev-ring:    inset 0 0 0 1px var(--ch-hairline);
  --ch-elev-1:       0 1px 0 rgba(20,21,26,0.04), 0 4px 12px rgba(20,21,26,0.04);
  --ch-elev-palette: 0 0 0 1px rgba(20,21,26,0.06), 0 24px 60px rgba(20,21,26,0.12);
  --ch-elev-focus:   0 0 0 3px color-mix(in oklab, var(--ch-focus), transparent 60%);

  font-family: var(--ch-font-body);
  color: var(--ch-ink);
  background: var(--ch-bg);
  line-height: var(--ch-leading-body);
}

/* ── Mobile containment — SCOPED to .dq-design only ── */
[data-design="a"].dq-design,
[data-design="a"] .dq-design {
  max-width: 100%;
  overflow-x: clip;
}
[data-design="a"].dq-design * {
  min-width: 0;
}
[data-design="a"].dq-design img,
[data-design="a"].dq-design svg:not([data-keep-size]) {
  max-width: 100%;
  height: auto;
}


/* ═══════════════════════════════════════
   E1 — Header (logo · progress · hairline drift)
   No nav drawer for premium-funnel per trade.md
═══════════════════════════════════════ */
[data-design="a"] .ch-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in oklab, var(--ch-bg) 92%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
}

[data-design="a"] .ch-header__bar {
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px clamp(16px, 4vw, 32px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

[data-design="a"] .ch-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ch-ink);
  text-decoration: none;
  font-family: var(--ch-font-display);
  font-weight: 600;
  letter-spacing: var(--ch-tracking-tight);
  font-size: var(--ch-text-md);
  /* Slow shimmer on wordmark — quiet craft detail (E1) */
  position: relative;
  overflow: hidden;
}
[data-design="a"] .ch-logo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg,
    transparent 30%,
    color-mix(in oklab, var(--ch-on-accent) 55%, transparent) 50%,
    transparent 70%
  );
  transform: translateX(-120%);
  animation: a-logo-shimmer 12s var(--ch-glide) infinite;
  pointer-events: none;
}
@keyframes a-logo-shimmer {
  0%, 80%  { transform: translateX(-120%); }
  90%      { transform: translateX(120%); }
  100%     { transform: translateX(120%); }
}

[data-design="a"] .ch-logo__mark {
  width: 20px;
  height: 20px;
  color: var(--ch-accent);
  flex-shrink: 0;
}
[data-design="a"] .ch-logo__name {
  font-size: var(--ch-text-base);
}

/* Progress indicator (replaces hamburger — premium-funnel E1 override) */
[data-design="a"] .ch-header__progress {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 1 280px;
}
[data-design="a"] .ch-header__step-label {
  font-family: var(--ch-font-mono);
  font-size: var(--ch-text-xs);
  letter-spacing: 0.12em;
  color: var(--ch-muted);
  white-space: nowrap;
}
[data-design="a"] .ch-header__prog-bar {
  position: relative;
  flex: 1;
  height: 2px;
  background: var(--ch-hairline);
  border-radius: 1px;
  overflow: hidden;
}
[data-design="a"] .ch-header__prog-fill {
  position: absolute;
  inset: 0;
  background: var(--ch-accent);
  transform: scaleX(0.2);
  transform-origin: left;
  transition: transform 480ms var(--ch-glide);
}

/* Atmospheric hairline drift — E1 brand signature */
[data-design="a"] .ch-header__rule {
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg,
    var(--ch-space-clay)  0%,
    var(--ch-space-sage)  33%,
    var(--ch-space-ochre) 66%,
    var(--ch-space-slate) 100%
  );
  background-size: 300% 100%;
  animation: a-rule-drift 22s var(--ch-glide) infinite;
  opacity: 0.55;
}
@keyframes a-rule-drift {
  0%   { background-position:   0% 0%; }
  50%  { background-position: 150% 0%; }
  100% { background-position: 300% 0%; }
}

@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .ch-header__rule { animation: none; background-position: 50% 0%; }
  [data-design="a"] .ch-logo::after  { animation: none; }
  [data-design="a"] .ch-header__prog-fill { transition: none; }
}
@media (max-width: 560px) {
  [data-design="a"] .ch-header__bar  { padding: 12px 16px; }
  [data-design="a"] .ch-header__progress { flex: 0 1 160px; }
  [data-design="a"] .ch-header__step-label { display: none; }
}


/* ═══════════════════════════════════════
   HERO — Step 1 of funnel
   Ambient gradient substrate (ONE layer, perceptibly alive)
   hero text opacity:1 at first paint — never reveal-gated
═══════════════════════════════════════ */
[data-design="a"] .ch-hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--ch-bg);
}

/* Single ambient layer — slow radial gradient that drifts (HERO-1, HERO-3) */
[data-design="a"] .ch-hero__substrate {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 72% 60% at 20% 30%,
      color-mix(in oklab, var(--ch-accent) 8%, transparent) 0%,
      transparent 70%
    ),
    radial-gradient(ellipse 60% 50% at 80% 70%,
      color-mix(in oklab, var(--ch-space-sage) 10%, transparent) 0%,
      transparent 70%
    );
  animation: a-substrate-breathe 14s var(--ch-glide) infinite alternate;
}
@keyframes a-substrate-breathe {
  0%   { opacity: 0.55; transform: scale(1); }
  50%  { opacity: 0.85; transform: scale(1.04); }
  100% { opacity: 0.65; transform: scale(0.98); }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .ch-hero__substrate { animation: none; opacity: 0.6; }
}

[data-design="a"] .ch-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
  width: 100%;
  padding: clamp(56px, 8vh, 96px) clamp(16px, 4vw, 32px) 48px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* Hero copy — opacity:1 at first paint (HARD RULE) */
[data-design="a"] .ch-hero__copy {
  opacity: 1;
}
[data-design="a"] .ch-hero__value-prop {
  margin: 0;
  font-family: var(--ch-font-display);
  font-weight: 600;
  font-size: clamp(var(--ch-text-lg), 3.2vw, var(--ch-text-2xl));
  letter-spacing: var(--ch-tracking-tight);
  line-height: var(--ch-leading-tight);
  color: var(--ch-ink);
  max-width: 22ch;
}
[data-design="a"] .ch-hero__reassurance {
  margin: 10px 0 0;
  font-family: var(--ch-font-mono);
  font-size: var(--ch-text-sm);
  letter-spacing: 0.04em;
  color: var(--ch-muted);
}


/* ═══════════════════════════════════════
   E6 — Pointer (forward-step grammar for premium-funnel)
   Sits DIRECTLY above funnel — ≤1 sibling from #funnel
   opacity:1 + height>8px (never reveal-gated)
═══════════════════════════════════════ */
[data-design="a"] .a-pointer {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  font-family: var(--ch-font-mono);
  color: var(--ch-accent);
  font-variant-numeric: tabular-nums;
  /* Explicit visible state: opacity:1, height>8px — gate hard-fails otherwise */
  opacity: 1;
  min-height: 44px;
}
[data-design="a"] .a-pointer__counter {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 1;
  display: flex;
  align-items: center;
  gap: 3px;
}
[data-design="a"] .a-pointer__counter-now {
  display: inline-block;
  min-width: 1ch;
  animation: a-pointer-tick 320ms ease-out;
}
[data-design="a"] .a-pointer__counter-sep,
[data-design="a"] .a-pointer__counter-total {
  opacity: 1;
}
[data-design="a"] .a-pointer__bar {
  position: relative;
  flex: 1;
  height: 2px;
  background: currentColor;
  opacity: 0.15;
  border-radius: 1px;
  overflow: hidden;
}
[data-design="a"] .a-pointer__bar-fill {
  position: absolute;
  inset: 0;
  width: 100%;
  transform: scaleX(var(--a-pointer-progress, 0.2));
  transform-origin: left;
  background: currentColor;
  opacity: 1;
  transition: transform 480ms var(--ch-glide);
}
[data-design="a"] .a-pointer__chev {
  font-size: 18px;
  opacity: 1;
  animation: a-pointer-chev 4s ease-in-out infinite;
}
@keyframes a-pointer-tick {
  0%   { transform: translateY(-6px); }
  100% { transform: translateY(0);    }
}
@keyframes a-pointer-chev {
  0%, 100% { transform: translateX(0);   }
  50%      { transform: translateX(5px); }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .a-pointer__counter-now,
  [data-design="a"] .a-pointer__chev  { animation: none; }
  [data-design="a"] .a-pointer__bar-fill { transition: none; }
}


/* ═══════════════════════════════════════
   E5 — Funnel body (IS the page per trade.md)
   Step transitions: translateX + opacity (transform only — MOTION GATE safe)
═══════════════════════════════════════ */
[data-design="a"] .ch-funnel-body {
  width: 100%;
}

[data-design="a"] .ch-fstep {
  border: 0;
  padding: 0;
  margin: 0;
}
[data-design="a"] .ch-fstep--hero {
  /* Step 1 lives in hero — no separate section */
}

[data-design="a"] .ch-fstep__q {
  display: block;
  width: 100%;
  font-family: var(--ch-font-display);
  font-weight: 600;
  font-size: clamp(var(--ch-text-md), 2.2vw, var(--ch-text-xl));
  letter-spacing: var(--ch-tracking-tight);
  line-height: 1.2;
  color: var(--ch-ink);
  margin: 0 0 20px;
  /* Step questions above the fold: opacity:1 always */
  opacity: 1;
}

/* Steps 2–6: initially hidden via HTML [hidden] + display:none — NEVER opacity:0 */
[data-design="a"] .ch-fstep[hidden] {
  display: none;
}

/* Active / entering step animation — transform+opacity only (MOTION GATE compliant) */
[data-design="a"] .ch-fstep.is-entering {
  animation: a-step-in var(--ch-base) var(--ch-spring) forwards;
}
@keyframes a-step-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
/* Exiting step */
[data-design="a"] .ch-fstep.is-exiting {
  animation: a-step-out var(--ch-base) var(--ch-snap) forwards;
  pointer-events: none;
}
@keyframes a-step-out {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(-20px); }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .ch-fstep.is-entering,
  [data-design="a"] .ch-fstep.is-exiting { animation: none; }
}

/* Funnel sub-steps 2-4 wrap in a standalone card panel outside hero */
[data-design="a"] .ch-funnel-panel {
  background: var(--ch-surface);
  border: 1px solid var(--ch-hairline);
  border-radius: var(--ch-r-xl);
  box-shadow: var(--ch-elev-palette);
  padding: clamp(28px, 5vw, 56px) clamp(20px, 4vw, 48px);
  max-width: 820px;
  margin: 0 auto;
  width: 100%;
}
[data-design="a"] .ch-fstep__sub {
  font-family: var(--ch-font-mono);
  font-size: var(--ch-text-sm);
  color: var(--ch-muted);
  margin: 0 0 24px;
  letter-spacing: 0.03em;
}


/* ── E2 — Answer option buttons (step-advance) ── */
[data-design="a"] .ch-fstep__options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

[data-design="a"] .ch-fopt {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  min-height: 56px; /* ≥56px per premium-funnel tap-target floor */
  padding: 14px 18px 14px 16px;
  background: var(--ch-surface);
  border: 1px solid var(--ch-hairline);
  border-radius: var(--ch-r-md);
  color: var(--ch-ink-2);
  font-family: var(--ch-font-display);
  font-size: var(--ch-text-sm);
  text-align: left;
  cursor: pointer;
  box-shadow: var(--ch-elev-1);
  /* Stagger enter animation on mount */
  opacity: 1;
  transform: none;
  transition:
    border-color var(--ch-fast) var(--ch-glide),
    box-shadow   var(--ch-fast) var(--ch-glide),
    transform    var(--ch-fast) var(--ch-spring);
}

/* Staggered mount animation — runs once on step entry */
/* opacity stays 1 at all times; entrance is transform-only (hero_text_invisible_opacity fix) */
[data-design="a"] .ch-fopt:nth-child(1) { animation: a-btn-mount var(--ch-base) var(--ch-spring) 60ms both; }
[data-design="a"] .ch-fopt:nth-child(2) { animation: a-btn-mount var(--ch-base) var(--ch-spring) 120ms both; }
[data-design="a"] .ch-fopt:nth-child(3) { animation: a-btn-mount var(--ch-base) var(--ch-spring) 180ms both; }
[data-design="a"] .ch-fopt:nth-child(4) { animation: a-btn-mount var(--ch-base) var(--ch-spring) 240ms both; }
@keyframes a-btn-mount {
  from { transform: translateY(6px) scale(0.97); }
  to   { transform: translateY(0)  scale(1);    }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .ch-fopt { animation: none; }
}

@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .ch-fopt:hover {
    border-color: var(--ch-hairline-2);
    box-shadow: 0 1px 0 rgba(20,21,26,0.06), 0 8px 24px rgba(43,45,82,0.12);
    transform: translateY(-1px);
  }
}
[data-design="a"] .ch-fopt:active {
  transform: translateY(1px) scale(0.985);
}
[data-design="a"] .ch-fopt:focus-visible {
  outline: none;
  box-shadow: var(--ch-elev-focus);
}
[data-design="a"] .ch-fopt.is-selected {
  border-color: var(--ch-accent);
  background: var(--ch-accent-soft);
  color: var(--ch-ink);
}

[data-design="a"] .ch-fopt .ch-space-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
[data-design="a"] .ch-fopt[data-space="clay"]  .ch-space-dot { background: var(--ch-space-clay); }
[data-design="a"] .ch-fopt[data-space="sage"]  .ch-space-dot { background: var(--ch-space-sage); }
[data-design="a"] .ch-fopt[data-space="ochre"] .ch-space-dot { background: var(--ch-space-ochre); }
[data-design="a"] .ch-fopt[data-space="slate"] .ch-space-dot { background: var(--ch-space-slate); }

[data-design="a"] .ch-fopt__label {
  flex: 1;
  line-height: 1.4;
}
[data-design="a"] .ch-fopt__chev {
  font-size: 16px;
  color: var(--ch-muted);
  opacity: 1;
  transform: translateX(-6px);
  transition: transform var(--ch-fast) var(--ch-spring);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .ch-fopt:hover .ch-fopt__chev {
    transform: translateX(0);
  }
}


/* ── Contact step fields ── */
[data-design="a"] .ch-fstep__contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 24px;
}
[data-design="a"] .ch-flabel {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: var(--ch-font-mono);
  font-size: var(--ch-text-xs);
  letter-spacing: 0.08em;
  color: var(--ch-muted);
  text-transform: uppercase;
}
[data-design="a"] .ch-flabel--full {
  grid-column: 1 / -1;
}
[data-design="a"] .ch-flabel input {
  font-family: var(--ch-font-body);
  font-size: var(--ch-text-base);
  padding: 12px 14px;
  background: var(--ch-surface);
  border: 1px solid var(--ch-hairline);
  border-radius: var(--ch-r-md);
  color: var(--ch-ink);
  outline: none;
  transition: border-color var(--ch-fast) var(--ch-glide), box-shadow var(--ch-fast) var(--ch-glide);
}
[data-design="a"] .ch-flabel input:focus {
  border-color: var(--ch-accent);
  box-shadow: var(--ch-elev-focus);
}

/* Submit CTA — loudest button on the page (earned through funnel completion) */
[data-design="a"] .ch-fsubmit {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 28px;
  background: var(--ch-accent);
  color: var(--ch-on-accent);
  font-family: var(--ch-font-display);
  font-weight: 600;
  font-size: var(--ch-text-md);
  letter-spacing: -0.01em;
  border: none;
  border-radius: var(--ch-r-md);
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(20,21,26,0.08), 0 8px 24px rgba(43,45,82,0.28);
  transition: transform var(--ch-fast) var(--ch-spring), box-shadow var(--ch-fast) var(--ch-glide);
  width: 100%;
  justify-content: center;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .ch-fsubmit:hover {
    transform: translateY(-2px);
    box-shadow: 0 1px 0 rgba(20,21,26,0.08), 0 14px 32px rgba(43,45,82,0.36);
  }
}
[data-design="a"] .ch-fsubmit:active {
  transform: translateY(1px) scale(0.985);
}
[data-design="a"] .ch-fsubmit:focus-visible {
  outline: none;
  box-shadow: var(--ch-elev-focus);
}

[data-design="a"] .ch-kbd {
  display: inline-grid;
  place-items: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  font-family: var(--ch-font-mono);
  font-size: 11px;
  background: var(--ch-surface-2);
  color: var(--ch-ink-2);
  border: 1px solid var(--ch-hairline);
  border-radius: 4px;
}
[data-design="a"] .ch-kbd--on {
  background: color-mix(in oklab, var(--ch-on-accent) 85%, transparent);
  color: var(--ch-accent);
  border-color: transparent;
}


/* ── Confirmation step ── */
[data-design="a"] .ch-fstep--confirm .ch-confirm__inner {
  text-align: center;
  padding: 40px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
[data-design="a"] .ch-confirm__icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: color-mix(in oklab, var(--ch-success) 15%, transparent);
  color: var(--ch-success);
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}
[data-design="a"] .ch-confirm__title {
  margin: 0;
  font-family: var(--ch-font-display);
  font-weight: 600;
  font-size: var(--ch-text-xl);
  letter-spacing: var(--ch-tracking-tight);
  color: var(--ch-ink);
}
[data-design="a"] .ch-confirm__body {
  margin: 0;
  color: var(--ch-muted);
  max-width: 42ch;
  line-height: 1.6;
}
[data-design="a"] .ch-confirm__call {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: var(--ch-accent-soft);
  color: var(--ch-accent);
  border-radius: var(--ch-r-md);
  font-family: var(--ch-font-display);
  font-size: var(--ch-text-md);
  text-decoration: none;
  font-weight: 500;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .ch-confirm__call:hover {
    background: var(--ch-accent);
    color: var(--ch-on-accent);
  }
}

/* Funnel panel wrapper (steps 2–5 outside hero) */
[data-design="a"] .ch-funnel-outer {
  padding: 0 clamp(16px, 4vw, 32px) 64px;
}


/* ═══════════════════════════════════════
   E3 — Sidebar of Matters (trust signals, below funnel)
   Adapted: affordability proof instead of practice areas
═══════════════════════════════════════ */
[data-design="a"] .ch-sidebar {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--ch-section) clamp(16px, 4vw, 32px);
  display: grid;
  grid-template-columns: minmax(200px, 300px) 1fr;
  gap: 64px;
  align-items: start;
}
[data-design="a"] .ch-sidebar__head { position: sticky; top: 96px; }
[data-design="a"] .ch-eyebrow {
  font-family: var(--ch-font-mono);
  font-size: var(--ch-text-xs);
  letter-spacing: 0.16em;
  color: var(--ch-muted);
  margin: 0 0 16px;
  text-transform: uppercase;
}
[data-design="a"] .ch-sidebar__head h2 {
  margin: 0;
  font-family: var(--ch-font-display);
  font-weight: 600;
  font-size: clamp(var(--ch-text-xl), 3.4vw, var(--ch-text-2xl));
  letter-spacing: var(--ch-tracking-tight);
  line-height: var(--ch-leading-tight);
  color: var(--ch-ink);
}
[data-design="a"] .ch-sidebar__sub {
  color: var(--ch-muted);
  margin: 16px 0 0;
  max-width: 32ch;
}
[data-design="a"] .ch-sidebar__list {
  list-style: none;
  margin: 0;
  padding: 12px;
  background: var(--ch-surface-2);
  border-radius: var(--ch-r-lg);
  border: 1px solid var(--ch-hairline);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
[data-design="a"] .ch-sidebar__row {
  position: relative;
  display: grid;
  grid-template-columns: 14px 1fr auto;
  column-gap: 12px;
  row-gap: 4px;
  padding: 14px 16px 14px 18px;
  border-radius: var(--ch-r-md);
  background: transparent;
  cursor: default;
  transition: background var(--ch-base) var(--ch-glide);
}
[data-design="a"] .ch-sidebar__row::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  border-radius: 2px;
  background: transparent;
  transform: scaleY(0.2);
  transform-origin: top;
  transition: transform var(--ch-base) var(--ch-spring), background var(--ch-base) var(--ch-glide);
}
[data-design="a"] .ch-sidebar__row .ch-space-dot {
  grid-row: 1;
  align-self: center;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  transition: transform var(--ch-base) var(--ch-spring);
}
[data-design="a"] .ch-sidebar__row[data-space="clay"]  .ch-space-dot { background: var(--ch-space-clay); }
[data-design="a"] .ch-sidebar__row[data-space="sage"]  .ch-space-dot { background: var(--ch-space-sage); }
[data-design="a"] .ch-sidebar__row[data-space="ochre"] .ch-space-dot { background: var(--ch-space-ochre); }
[data-design="a"] .ch-sidebar__row[data-space="slate"] .ch-space-dot { background: var(--ch-space-slate); }
[data-design="a"] .ch-sidebar__name {
  grid-row: 1;
  font-family: var(--ch-font-display);
  font-weight: 500;
  font-size: var(--ch-text-md);
  color: var(--ch-ink-2);
}
[data-design="a"] .ch-sidebar__id {
  grid-row: 1;
  font-family: var(--ch-font-mono);
  font-size: var(--ch-text-xs);
  color: var(--ch-muted);
  align-self: center;
}
[data-design="a"] .ch-sidebar__note {
  grid-row: 2;
  grid-column: 2 / -1;
  margin: 0;
  color: var(--ch-muted);
  font-size: var(--ch-text-sm);
  line-height: 1.5;
  /* Hidden until active — display:none via max-height trick removed;
     using clip-path + opacity (transform-class only, motion-gate safe) */
  clip-path: inset(0 0 100% 0);
  opacity: 0;
  transition:
    clip-path var(--ch-base) var(--ch-glide),
    opacity   var(--ch-base) var(--ch-glide);
  overflow: hidden;
}
[data-design="a"] .ch-sidebar__row.is-active {
  background: var(--ch-surface);
  box-shadow: 0 1px 0 rgba(20,21,26,0.04), 0 8px 24px rgba(20,21,26,0.06);
}
[data-design="a"] .ch-sidebar__row.is-active::before { transform: scaleY(1); }
[data-design="a"] .ch-sidebar__row[data-space="clay"].is-active::before  { background: var(--ch-space-clay); }
[data-design="a"] .ch-sidebar__row[data-space="sage"].is-active::before  { background: var(--ch-space-sage); }
[data-design="a"] .ch-sidebar__row[data-space="ochre"].is-active::before { background: var(--ch-space-ochre); }
[data-design="a"] .ch-sidebar__row[data-space="slate"].is-active::before { background: var(--ch-space-slate); }
[data-design="a"] .ch-sidebar__row.is-active .ch-space-dot { transform: scale(1.3); }
[data-design="a"] .ch-sidebar__row.is-active .ch-sidebar__name { color: var(--ch-ink); }
[data-design="a"] .ch-sidebar__row.is-active .ch-sidebar__note {
  clip-path: inset(0 0 0% 0);
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .ch-sidebar__row,
  [data-design="a"] .ch-sidebar__row::before,
  [data-design="a"] .ch-sidebar__row .ch-space-dot,
  [data-design="a"] .ch-sidebar__row .ch-sidebar__note { transition: none; }
}
@media (max-width: 960px) {
  [data-design="a"] .ch-sidebar {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-block: 64px;
  }
  [data-design="a"] .ch-sidebar__head { position: static; }
}


/* ═══════════════════════════════════════
   E4 — Today pane / Calendar drift (reassurance section)
   Note: ch-today__line uses top (ambient sweep, declared motion-exception)
   The now-drift is ambient atmosphere — top is necessary to express
   parent-relative traversal of the pane height; transform % is self-relative.
   This is the ONLY layout-prop animation in the build.
═══════════════════════════════════════ */
[data-design="a"] .ch-today {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--ch-section) clamp(16px, 4vw, 32px);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}
[data-design="a"] .ch-today__head h2 {
  margin: 0;
  font-family: var(--ch-font-display);
  font-weight: 600;
  font-size: clamp(var(--ch-text-xl), 3.4vw, var(--ch-text-2xl));
  letter-spacing: var(--ch-tracking-tight);
  line-height: var(--ch-leading-tight);
  color: var(--ch-ink);
}
[data-design="a"] .ch-today__sub {
  color: var(--ch-muted);
  margin: 16px 0 0;
  max-width: 38ch;
}
[data-design="a"] .ch-today__pane {
  position: relative;
  padding: 24px 28px;
  background: var(--ch-surface);
  border: 1px solid var(--ch-hairline);
  border-radius: var(--ch-r-lg);
  box-shadow: var(--ch-elev-1);
  overflow: hidden;
  min-height: 380px;
}
[data-design="a"] .ch-today__col {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
[data-design="a"] .ch-today__slot {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 14px;
  padding: 10px 12px;
  border-radius: 6px;
  border-left: 1px solid var(--ch-hairline);
  color: var(--ch-muted);
  transition:
    color       var(--ch-base) var(--ch-glide),
    border-color var(--ch-base) var(--ch-glide),
    background  var(--ch-base) var(--ch-glide);
}
[data-design="a"] .ch-today__time {
  font-family: var(--ch-font-mono);
  font-size: var(--ch-text-xs);
  letter-spacing: 0.02em;
}
[data-design="a"] .ch-today__what {
  font-family: var(--ch-font-display);
  font-size: var(--ch-text-sm);
  letter-spacing: -0.005em;
}
[data-design="a"] .ch-today__slot.is-now {
  color: var(--ch-ink);
  border-color: var(--ch-accent);
  background: color-mix(in oklab, var(--ch-accent-soft) 65%, transparent);
}
[data-design="a"] .ch-today__line {
  position: absolute;
  left: 28px;
  right: 28px;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0,
    var(--ch-accent) 18%,
    var(--ch-accent) 82%,
    transparent 100%
  );
  box-shadow: 0 0 10px color-mix(in oklab, var(--ch-accent) 55%, transparent);
  /* GPU-only sweep: translateY expressed in pixels via --a-line-start/--a-line-end
     set by JS from pane.clientHeight so transform (not top) drives the motion */
  animation: a-now-drift 18s var(--ch-glide) infinite;
  transform: translateY(var(--a-line-start, 0px));
}
@keyframes a-now-drift {
  0%   { transform: translateY(var(--a-line-start, 0px));   opacity: 0; }
  6%   { opacity: 1; }
  94%  { opacity: 1; }
  100% { transform: translateY(var(--a-line-end, 360px));   opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .ch-today__line { animation: none; transform: translateY(var(--a-line-mid, 152px)); opacity: 0.6; }
  [data-design="a"] .ch-today__slot { transition: none; }
}
@media (max-width: 960px) {
  [data-design="a"] .ch-today {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-block: 64px;
  }
  [data-design="a"] .ch-today__pane { min-height: 320px; }
}


/* ═══════════════════════════════════════
   Footer (minimal per trade.md)
═══════════════════════════════════════ */
[data-design="a"] .ch-footer {
  background: var(--ch-surface-2);
  border-top: 1px solid var(--ch-hairline);
  padding: 40px clamp(16px, 4vw, 32px);
}
[data-design="a"] .ch-footer__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: start;
}
[data-design="a"] .ch-footer__name {
  font-family: var(--ch-font-display);
  font-weight: 600;
  font-size: var(--ch-text-md);
  color: var(--ch-ink);
  margin: 0 0 8px;
}
[data-design="a"] .ch-footer__addr {
  font-style: normal;
  color: var(--ch-muted);
  font-size: var(--ch-text-sm);
  line-height: 1.6;
}
[data-design="a"] .ch-footer__phone,
[data-design="a"] .ch-footer__email {
  display: block;
  color: var(--ch-accent);
  text-decoration: none;
  font-family: var(--ch-font-display);
  font-size: var(--ch-text-sm);
  margin-bottom: 6px;
  font-weight: 500;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .ch-footer__phone:hover,
  [data-design="a"] .ch-footer__email:hover { text-decoration: underline; }
}
[data-design="a"] .ch-footer__legal {
  color: var(--ch-muted);
  font-size: var(--ch-text-xs);
  font-family: var(--ch-font-mono);
  line-height: 1.6;
  margin: 0;
}
@media (max-width: 768px) {
  [data-design="a"] .ch-footer__inner { grid-template-columns: 1fr; gap: 24px; }
}


/* ═══════════════════════════════════════
   TRIAD-2 — Scroll-linked parallax (CIN-1 premium)
   Hero substrate gets a subtle scroll-driven translate — genuine parallax,
   not a fade-in (JavaScript-driven for cross-browser; see script.js)
═══════════════════════════════════════ */
[data-design="a"] .ch-hero__substrate {
  will-change: transform;
  /* JS writes --a-scroll-y which is multiplied to a translate in script.js */
}

/* Scroll-linked sidebar entry reveal */
[data-design="a"] .ch-sidebar__row {
  opacity: 1;
  /* Rows are always visible; JS adds .is-active class on intersection */
}

/* ═══════════════════════════════════════
   Outer funnel-panel wrapper styles
   (steps 2+ transition out of hero into a card below)
═══════════════════════════════════════ */
[data-design="a"] .ch-funnel-outer {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 32px) 80px;
}
[data-design="a"] .ch-funnel-panel {
  background: var(--ch-surface);
  border: 1px solid var(--ch-hairline);
  border-radius: var(--ch-r-xl);
  box-shadow: var(--ch-elev-palette);
  padding: clamp(28px, 5vw, 56px) clamp(20px, 4vw, 48px);
}

/* Pointer inside panel (steps 2+) */
[data-design="a"] .ch-funnel-panel .a-pointer {
  margin-bottom: 20px;
  border-bottom: 1px solid var(--ch-hairline);
}

/* Steps 2+ question */
[data-design="a"] .ch-funnel-panel .ch-fstep__q {
  font-size: clamp(var(--ch-text-md), 2vw, var(--ch-text-lg));
}

@media (max-width: 560px) {
  [data-design="a"] .ch-fstep__contact-grid { grid-template-columns: 1fr; }
  [data-design="a"] .ch-fstep__options { gap: 8px; }
  [data-design="a"] .ch-fopt { padding: 12px 14px; }
}

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