/* ═══════════════════════════════════════════════════════════════
   High Sierra Drafting — Design A
   All selectors scoped under [data-design="a"]
   Remapped from terminal-counsel → [data-design="a"]
   Exposes --design-a-primary
═══════════════════════════════════════════════════════════════ */

/* ── Token system ─────────────────────────────────────────── */
[data-design="a"] {
  --design-a-primary: #FFB627;

  /* color */
  --tc-bg:         #0B0D10;
  --tc-surface:    #14171C;
  --tc-surface-2:  #1B1F26;
  --tc-hairline:   #262B33;
  --tc-ink:        #E7ECEF;
  --tc-ink-2:      #A6AEB6;
  --tc-muted:      #6B737C;
  --tc-meta:       #4A5159;
  --tc-accent:     #FFB627;
  --tc-accent-on:  #0B0D10;
  --tc-success:    #4CC38A;
  --tc-warn:       #FFB627;
  --tc-critical:   #E5484D;
  --tc-info:       #7CC1FF;

  /* typography */
  --tc-font-display: "Berkeley Mono","JetBrains Mono","IBM Plex Mono",ui-monospace,"SF Mono",Menlo,monospace;
  --tc-font-body:    "Inter","Söhne",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
  --tc-font-mono:    "Berkeley Mono","JetBrains Mono",ui-monospace,monospace;

  /* spacing */
  --tc-tick:   4px;
  --tc-pad:    8px;
  --tc-line:   12px;
  --tc-cell:   16px;
  --tc-bay:    24px;
  --tc-column: 32px;
  --tc-floor:  48px;
  --tc-deck:   80px;
  --tc-canvas: 128px;

  /* motion */
  --tc-dur-tick:    80ms;
  --tc-dur-snap:   140ms;
  --tc-dur-step:   240ms;
  --tc-dur-breath: 4200ms;
  --tc-dur-tide:   18s;
  --tc-dur-deep:   24s;
  --tc-ease-spring: cubic-bezier(0.22,1,0.36,1);
  --tc-ease-flat:   cubic-bezier(0.4,0,0.2,1);
  --tc-ease-stream: cubic-bezier(0.16,1,0.3,1);

  /* radius */
  --tc-r-edge: 0px;
  --tc-r-pill: 4px;
  --tc-r-card: 10px;
  --tc-r-key:  6px;

  /* elevation */
  --tc-elev-flat:   none;
  --tc-elev-ring:   inset 0 0 0 1px var(--tc-hairline);
  --tc-elev-raised: 0 1px 0 0 var(--tc-hairline), 0 14px 32px -16px rgba(0,0,0,0.5);

  /* base */
  background: var(--tc-bg);
  color: var(--tc-ink);
  font-family: var(--tc-font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── E1: Header ───────────────────────────────────────────── */
[data-design="a"] .tc-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--tc-bg);
  border-bottom: 1px solid var(--tc-hairline);
}

[data-design="a"] .tc-statline {
  display: flex;
  align-items: center;
  gap: var(--tc-line);
  padding: 0 var(--tc-bay);
  height: 24px;
  font-family: var(--tc-font-mono);
  font-size: 12px;
  color: var(--tc-meta);
  border-bottom: 1px solid var(--tc-hairline);
  overflow: hidden;
  white-space: nowrap;
}
[data-design="a"] .tc-statline__cell { display: inline-flex; align-items: center; gap: 6px; }
[data-design="a"] .tc-statline__cell--flex { flex: 1 1 auto; min-width: 0; color: var(--tc-ink-2); }
[data-design="a"] .tc-statline__cell--right { margin-left: auto; gap: 8px; }
[data-design="a"] .tc-statline__dot {
  width: 6px; height: 6px;
  background: var(--tc-success);
  border-radius: 50%;
  animation: tc-statline-pulse var(--tc-dur-deep) ease-in-out infinite;
}

[data-design="a"] .rf-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--tc-line) var(--tc-bay);
}

[data-design="a"] .rf-logo {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  color: var(--tc-ink);
  text-decoration: none;
  font-family: var(--tc-font-display);
  font-size: 18px;
  letter-spacing: -0.01em;
}
[data-design="a"] .rf-logo__prompt { color: var(--tc-accent); }
[data-design="a"] .rf-logo__caret {
  display: inline-block;
  width: 8px; height: 14px;
  background: var(--tc-ink);
  transform: translateY(2px);
  animation: tc-caret-blink 1.06s steps(2,end) infinite;
}

[data-design="a"] .tc-hamburger {
  background: transparent;
  border: 1px solid var(--tc-hairline);
  width: 44px; height: 44px;
  border-radius: var(--tc-r-key);
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  flex-shrink: 0;
}
[data-design="a"] .tc-hamburger span {
  display: block;
  width: 16px; height: 1px;
  background: var(--tc-ink-2);
  transition: transform var(--tc-dur-snap) var(--tc-ease-spring),
              opacity var(--tc-dur-snap) var(--tc-ease-flat);
}
[data-design="a"] .tc-hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
[data-design="a"] .tc-hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
[data-design="a"] .tc-hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }
[data-design="a"] .tc-hamburger:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--tc-accent), transparent 70%);
}

/* Drawer — display:none when [hidden] (set via hidden attribute) */
[data-design="a"] .tc-drawer {
  position: fixed;
  inset: 60px 0 0 0;
  background: var(--tc-bg);
  padding: var(--tc-deck) var(--tc-bay);
  display: flex;
  flex-direction: column;
  gap: var(--tc-floor);
  z-index: 25;
  overflow-y: auto;
}
[data-design="a"] .tc-drawer[hidden] { display: none; }
[data-design="a"] .tc-drawer a {
  font-family: var(--tc-font-display);
  font-size: 28px;
  color: var(--tc-ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  min-height: 44px;
}
[data-design="a"] .tc-drawer a::before { content: "·"; color: var(--tc-meta); transition: color var(--tc-dur-snap); }
[data-design="a"] .tc-drawer a:hover::before,
[data-design="a"] .tc-drawer a:focus-visible::before { content: "●"; color: var(--tc-accent); }
[data-design="a"] .tc-drawer__phone {
  margin-top: auto;
  font-size: 20px !important;
  color: var(--tc-ink-2) !important;
}

/* ── Hero ─────────────────────────────────────────────────── */
[data-design="a"] .tc-hero {
  position: relative;
  min-height: clamp(60vh, 72vh, 82vh);
  display: flex;
  align-items: center;
  padding: var(--tc-canvas) var(--tc-bay) var(--tc-deck);
  overflow: hidden;
  border-bottom: 1px solid var(--tc-hairline);
}

/* E3: Blueprint backdrop — one animated layer */
[data-design="a"] .tc-hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
[data-design="a"] .tc-blueprint-svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* Draw-in animations for the blueprint lines */
[data-design="a"] .hsd-line-h1 {
  animation: hsd-drawH 1.8s 0.3s var(--tc-ease-stream) forwards;
}
[data-design="a"] .hsd-line-h2 {
  animation: hsd-drawH2 1.4s 0.8s var(--tc-ease-stream) forwards;
}
[data-design="a"] .hsd-line-v1 {
  animation: hsd-drawV1 1.2s 1.0s var(--tc-ease-stream) forwards;
}
[data-design="a"] .hsd-line-v2 {
  animation: hsd-drawV2 1.2s 1.1s var(--tc-ease-stream) forwards;
}
[data-design="a"] .hsd-line-arc {
  animation: hsd-drawArc 2.2s 1.4s var(--tc-ease-stream) forwards;
}
[data-design="a"] .hsd-tick {
  opacity: 0;
  animation: tc-stream-in var(--tc-dur-step) var(--tc-ease-stream) forwards;
}
[data-design="a"] .hsd-tick-1 { animation-delay: 1.9s; }
[data-design="a"] .hsd-tick-2 { animation-delay: 2.0s; }
[data-design="a"] .hsd-tick-3 { animation-delay: 2.1s; }
[data-design="a"] .hsd-tick-4 { animation-delay: 2.2s; }
[data-design="a"] .hsd-tick-5 { animation-delay: 2.3s; }
[data-design="a"] .hsd-dim-txt {
  opacity: 0;
  animation: tc-stream-in var(--tc-dur-step) var(--tc-ease-stream) forwards;
}
[data-design="a"] .hsd-dim-txt-1 { animation-delay: 2.2s; }
[data-design="a"] .hsd-dim-txt-2 { animation-delay: 2.35s; }
[data-design="a"] .hsd-dim-txt-3 { animation-delay: 2.5s; }
[data-design="a"] .hsd-dim-txt-4 { animation-delay: 2.65s; }

/* Sustained ambient float — drifts subtly forever (NOT directional) */
[data-design="a"] .hsd-ambient-float {
  animation: hsd-ambient-drift var(--tc-dur-tide) ease-in-out infinite;
}
[data-design="a"] .hsd-float-label {
  opacity: 0;
  animation: tc-stream-in 0.5s 2.8s var(--tc-ease-stream) forwards,
             hsd-ambient-drift var(--tc-dur-tide) 3.2s ease-in-out infinite;
}

@keyframes hsd-drawH {
  0%   { stroke-dashoffset: 1200; }
  100% { stroke-dashoffset: 0; }
}
@keyframes hsd-drawH2 {
  0%   { stroke-dashoffset: 700; }
  100% { stroke-dashoffset: 0; }
}
@keyframes hsd-drawV1 {
  0%   { stroke-dashoffset: 320; }
  100% { stroke-dashoffset: 0; }
}
@keyframes hsd-drawV2 {
  0%   { stroke-dashoffset: 320; }
  100% { stroke-dashoffset: 0; }
}
@keyframes hsd-drawArc {
  0%   { stroke-dashoffset: 1000; }
  100% { stroke-dashoffset: 0; }
}
@keyframes hsd-ambient-drift {
  0%, 100% { transform: translateY(0);    opacity: 0.85; }
  50%       { transform: translateY(-8px); opacity: 1; }
}

/* Hero text — opacity:1 at first paint, normal flow, no abs positioning of text over text */
[data-design="a"] .tc-hero__content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  gap: var(--tc-cell);
}
[data-design="a"] .tc-hero__eyebrow { margin: 0; }
[data-design="a"] .tc-hero__headline {
  font-family: var(--tc-font-display);
  font-size: clamp(28px, 4.5vw, 56px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--tc-ink);
  margin: 0;
  opacity: 1;
}
[data-design="a"] .tc-hero__subtitle {
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--tc-ink-2);
  margin: 0;
  line-height: 1.55;
  max-width: 60ch;
  opacity: 1;
}
[data-design="a"] .tc-hero__proof {
  font-family: var(--tc-font-mono);
  font-size: 13px;
  color: var(--tc-muted);
  margin: 0;
  opacity: 1;
}

/* ── E2: CTA button ───────────────────────────────────────── */
[data-design="a"] .tc-cta {
  --tc-cta-tx: 0px;
  --tc-cta-ty: 0px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px 14px 16px;
  background: var(--tc-accent);
  color: var(--tc-accent-on);
  font-family: var(--tc-font-display);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--tc-r-key);
  position: relative;
  overflow: hidden;
  transform: translate(var(--tc-cta-tx), var(--tc-cta-ty));
  transition: transform var(--tc-dur-snap) var(--tc-ease-spring),
              background var(--tc-dur-snap) var(--tc-ease-flat);
  animation: tc-cta-breath var(--tc-dur-breath) ease-in-out infinite;
  will-change: transform;
  align-self: flex-start;
  min-height: 44px;
  min-width: 44px;
}
[data-design="a"] .tc-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.35) 50%, transparent 100%);
  transform: translateX(-100%);
  animation: tc-cta-stream 6s var(--tc-ease-stream) infinite;
  pointer-events: none;
}
[data-design="a"] .tc-cta__prompt { opacity: 0.6; }
[data-design="a"] .tc-cta__caret {
  display: inline-block;
  width: 7px; height: 12px;
  background: var(--tc-accent-on);
  animation: tc-caret-blink 1.06s steps(2,end) infinite;
}
[data-design="a"] .tc-cta:hover { background: #ffc24a; }
[data-design="a"] .tc-cta:hover .tc-cta__caret { animation-duration: 0.42s; }
[data-design="a"] .tc-cta:active {
  transform: translate(var(--tc-cta-tx), calc(var(--tc-cta-ty) + 1px));
  background: #e29a00;
}
[data-design="a"] .tc-cta:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--tc-accent), transparent 60%);
}

/* ── E6: Pointer — dimension-line wayfinding ──────────────── */
/* HARD GATE: height >8px, opacity 1, immediate preceding sibling of #funnel */
[data-design="a"] .tc-pointer {
  padding: 28px var(--tc-bay) 24px;
  background: var(--tc-bg);
  border-bottom: 1px solid var(--tc-hairline);
  opacity: 1;
}
[data-design="a"] .tc-pointer__inner {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 900px;
  margin: 0 auto;
}
[data-design="a"] .tc-pointer__dimline {
  display: flex;
  align-items: center;
  gap: 0;
  height: 14px; /* HARD GATE: height >8px */
}
[data-design="a"] .tc-pointer__tick {
  display: block;
  width: 1px;
  height: 14px;
  background: rgba(255,182,39,0.45);
  flex-shrink: 0;
}
[data-design="a"] .tc-pointer__fill {
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,182,39,0.45), rgba(255,182,39,0.20), rgba(255,182,39,0.45));
  animation: hsd-dimline-sweep 8s ease-in-out infinite;
}
[data-design="a"] .tc-pointer__label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--tc-font-mono);
  font-size: 12px;
  color: var(--tc-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
[data-design="a"] .tc-pointer__prompt {
  color: var(--tc-accent);
  opacity: 0.7;
  animation: hsd-pointer-drift 4s ease-in-out infinite;
}
[data-design="a"] .tc-pointer__text { color: var(--tc-ink-2); }
[data-design="a"] .tc-pointer__bar {
  position: relative;
  flex: 1;
  height: 1px;
  background: var(--tc-hairline);
  overflow: hidden;
}
[data-design="a"] .tc-pointer__bar-fill {
  position: absolute;
  inset: 0;
  width: 30%;
  background: var(--tc-accent);
  opacity: 0.5;
  animation: hsd-bar-scan 4s ease-in-out infinite;
}
[data-design="a"] .tc-pointer__chev {
  font-size: 18px;
  color: var(--tc-accent);
  opacity: 0.6;
  animation: tc-pointer-chev 4s ease-in-out infinite;
}

@keyframes hsd-dimline-sweep {
  0%,100% { opacity: 0.55; }
  50%      { opacity: 1; }
}
@keyframes hsd-pointer-drift {
  0%,100% { transform: translateX(0);   opacity: 0.5; }
  50%      { transform: translateX(4px); opacity: 0.9; }
}
@keyframes hsd-bar-scan {
  0%       { left: -30%; }
  60%,100% { left: 110%; }
}
@keyframes tc-pointer-chev {
  0%,100% { transform: translateX(0);   opacity: 0.45; }
  50%      { transform: translateX(4px); opacity: 0.9; }
}

/* ── E5: Funnel ───────────────────────────────────────────── */
[data-design="a"] .tc-funnel {
  padding: var(--tc-deck) var(--tc-bay);
  background: var(--tc-bg);
}
[data-design="a"] .tc-funnel__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: var(--tc-line);
  font-family: var(--tc-font-display);
}
[data-design="a"] .tc-funnel__prompt { color: var(--tc-accent); font-size: 18px; }
[data-design="a"] .tc-funnel__title { font-size: 28px; letter-spacing: -0.01em; margin: 0; color: var(--tc-ink); }
[data-design="a"] .tc-funnel__count { margin-left: auto; font-family: var(--tc-font-mono); font-size: 12px; color: var(--tc-muted); }
[data-design="a"] .tc-funnel__progress {
  display: flex;
  gap: 10px;
  padding: 0;
  margin: 0 0 var(--tc-floor);
}
[data-design="a"] .tc-funnel__dot {
  flex: 1 1 0;
  height: 2px;
  background: var(--tc-hairline);
  transition: background var(--tc-dur-step) var(--tc-ease-spring);
}
[data-design="a"] .tc-funnel__dot.is-active { background: var(--tc-accent); }
[data-design="a"] .tc-funnel__pad {
  background: var(--tc-surface);
  border: 1px solid var(--tc-hairline);
  border-radius: var(--tc-r-card);
  padding: var(--tc-floor);
  position: relative;
  overflow: hidden;
  max-width: 720px;
}
[data-design="a"] .tc-funnel__step { border: 0; padding: 0; margin: 0; }
[data-design="a"] .tc-funnel__step[hidden] { display: none; }
[data-design="a"] .tc-funnel__step.is-active { animation: tc-step-in var(--tc-dur-step) var(--tc-ease-spring) both; }
[data-design="a"] .tc-funnel__legend {
  font-family: var(--tc-font-display);
  font-size: 22px;
  color: var(--tc-ink);
  margin: 0 0 var(--tc-floor);
  display: block;
}
[data-design="a"] .tc-funnel__lede { color: var(--tc-ink-2); margin: 0 0 var(--tc-floor); font-size: 16px; }
[data-design="a"] .tc-funnel__choices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--tc-cell);
}
[data-design="a"] .tc-choice {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: var(--tc-cell);
  border: 1px solid var(--tc-hairline);
  border-radius: var(--tc-r-key);
  font-family: var(--tc-font-mono);
  font-size: 14px;
  color: var(--tc-ink);
  cursor: pointer;
  transition: border-color var(--tc-dur-snap), background var(--tc-dur-snap);
  min-height: 44px;
}
[data-design="a"] .tc-choice:hover { border-color: var(--tc-ink-2); background: var(--tc-surface-2); }
[data-design="a"] .tc-choice input[type="radio"] { accent-color: var(--tc-accent); }
[data-design="a"] .tc-choice:has(input:checked) {
  border-color: var(--tc-accent);
  background: color-mix(in oklab, var(--tc-accent), transparent 92%);
}
[data-design="a"] .tc-funnel__fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--tc-cell);
}
[data-design="a"] .tc-field { display: flex; flex-direction: column; gap: 6px; }
[data-design="a"] .tc-field--wide { grid-column: 1 / -1; }
[data-design="a"] .tc-field > span { font-family: var(--tc-font-mono); font-size: 12px; color: var(--tc-muted); text-transform: lowercase; }
[data-design="a"] .tc-field input,
[data-design="a"] .tc-field textarea {
  background: var(--tc-bg);
  border: 1px solid var(--tc-hairline);
  color: var(--tc-ink);
  padding: 10px 12px;
  border-radius: var(--tc-r-key);
  font-family: var(--tc-font-mono);
  font-size: 14px;
  min-height: 44px;
}
[data-design="a"] .tc-field input:focus-visible,
[data-design="a"] .tc-field textarea:focus-visible {
  outline: none;
  border-color: var(--tc-accent);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--tc-accent), transparent 70%);
}
[data-design="a"] .tc-funnel__actions {
  display: flex;
  gap: var(--tc-cell);
  margin-top: var(--tc-floor);
  flex-wrap: wrap;
}
[data-design="a"] .tc-btn {
  font-family: var(--tc-font-display);
  font-size: 14px;
  padding: 12px 18px;
  border-radius: var(--tc-r-key);
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform var(--tc-dur-snap) var(--tc-ease-spring),
              background var(--tc-dur-snap),
              border-color var(--tc-dur-snap);
  min-height: 44px;
  min-width: 44px;
}
[data-design="a"] .tc-btn--primary { background: var(--tc-accent); color: var(--tc-accent-on); }
[data-design="a"] .tc-btn--primary:hover { background: #ffc24a; }
[data-design="a"] .tc-btn--primary:active { transform: translateY(1px); background: #e29a00; }
[data-design="a"] .tc-btn--ghost { background: transparent; color: var(--tc-ink); border-color: var(--tc-hairline); }
[data-design="a"] .tc-btn--ghost:hover { border-color: var(--tc-ink-2); background: var(--tc-surface-2); }
[data-design="a"] .tc-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--tc-accent), transparent 60%);
}
[data-design="a"] .tc-funnel__step--done { text-align: left; padding: var(--tc-floor) 0; }
[data-design="a"] .tc-funnel__done-prompt { font-family: var(--tc-font-display); font-size: 22px; color: var(--tc-ink); margin: 0 0 var(--tc-line); }
[data-design="a"] .tc-funnel__done-meta { font-family: var(--tc-font-mono); font-size: 13px; color: var(--tc-muted); margin: 0; }
[data-design="a"] .tc-funnel__done-meta code {
  color: var(--tc-accent);
  background: color-mix(in oklab, var(--tc-accent), transparent 90%);
  padding: 2px 6px;
  border-radius: var(--tc-r-pill);
}
[data-design="a"] .tc-funnel__below {
  margin-top: var(--tc-floor);
  max-width: 720px;
}
[data-design="a"] .tc-funnel__contact-alt {
  font-family: var(--tc-font-mono);
  font-size: 13px;
  color: var(--tc-muted);
  margin: 0 0 var(--tc-line);
}
[data-design="a"] .tc-funnel__note {
  font-size: 14px;
  color: var(--tc-meta);
  margin: 0;
  max-width: 60ch;
}

/* ── E3 (ambient A): Services stream ─────────────────────── */
[data-design="a"] .tc-stream {
  padding: var(--tc-deck) var(--tc-bay);
  background: var(--tc-bg);
  border-top: 1px solid var(--tc-hairline);
  position: relative;
}
[data-design="a"] .tc-stream__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--tc-floor);
  font-family: var(--tc-font-display);
}
[data-design="a"] .tc-stream__prompt { color: var(--tc-accent); font-size: 18px; }
[data-design="a"] .tc-stream__title { font-size: 28px; letter-spacing: -0.01em; margin: 0; color: var(--tc-ink); }
[data-design="a"] .tc-stream__list { list-style: none; padding: 0; margin: 0; counter-reset: tc-row; }
[data-design="a"] .tc-stream__row {
  counter-increment: tc-row;
  display: grid;
  grid-template-columns: 48px 1fr auto;
  align-items: baseline;
  gap: var(--tc-bay);
  padding: var(--tc-line) 0;
  border-bottom: 1px solid var(--tc-hairline);
  font-family: var(--tc-font-mono);
  font-size: 14px;
  color: var(--tc-ink);
  opacity: 0;
  transform: translateY(6px);
}
[data-design="a"] .tc-stream__row.is-in {
  animation: tc-stream-in var(--tc-dur-step) var(--tc-ease-stream) forwards;
}
[data-design="a"] .tc-stream__row::before {
  content: counter(tc-row, decimal-leading-zero);
  color: var(--tc-meta);
}
[data-design="a"] .tc-stream__name { font-weight: 500; }
[data-design="a"] .tc-stream__desc { color: var(--tc-ink-2); font-family: var(--tc-font-body); grid-column: 2 / 3; }
[data-design="a"] .tc-stream__motion {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--tc-accent), transparent);
  transform: translateX(-100%);
  animation: tc-stream-tide var(--tc-dur-tide) linear infinite;
  opacity: 0.5;
}

/* ── E4 (ambient B): Process log ─────────────────────────── */
[data-design="a"] .tc-log {
  padding: var(--tc-deck) var(--tc-bay);
  background: var(--tc-surface);
  border-top: 1px solid var(--tc-hairline);
  border-bottom: 1px solid var(--tc-hairline);
}
[data-design="a"] .tc-log__head { margin-bottom: var(--tc-floor); max-width: 56ch; }
[data-design="a"] .tc-log__title { font-family: var(--tc-font-display); font-size: 28px; letter-spacing: -0.01em; color: var(--tc-ink); margin: 0 0 8px; }
[data-design="a"] .tc-log__sub { color: var(--tc-ink-2); margin: 0; font-size: 16px; }
[data-design="a"] .tc-log__rail { list-style: none; padding: 0; margin: 0; position: relative; }
[data-design="a"] .tc-log__rail::before {
  content: "";
  position: absolute;
  left: 11px; top: 8px; bottom: 8px;
  width: 1px;
  background: var(--tc-hairline);
}
[data-design="a"] .tc-log__entry {
  position: relative;
  display: grid;
  grid-template-columns: 32px 110px 1fr;
  column-gap: var(--tc-bay);
  row-gap: 4px;
  padding: var(--tc-cell) 0;
  border-bottom: 1px solid var(--tc-hairline);
}
[data-design="a"] .tc-log__entry::before {
  content: "";
  position: absolute;
  left: 4px; top: 22px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--tc-bg);
  box-shadow: inset 0 0 0 1px var(--tc-hairline);
}
[data-design="a"] .tc-log__entry::after {
  content: "";
  position: absolute;
  left: 8px; top: 26px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--tc-meta);
  animation: tc-log-pulse var(--tc-dur-deep) ease-in-out infinite;
}
[data-design="a"] .tc-log__entry[data-status="resolved"]::after { background: var(--tc-success); animation-delay: 0s; }
[data-design="a"] .tc-log__entry[data-status="pending"]::after  { background: var(--tc-accent);  animation-delay: 1.5s; }
[data-design="a"] .tc-log__entry[data-status="noted"]::after    { background: var(--tc-info);    animation-delay: 3s; }
[data-design="a"] .tc-log__entry time { grid-column: 2; font-family: var(--tc-font-mono); font-size: 13px; color: var(--tc-muted); }
[data-design="a"] .tc-log__id { grid-column: 2; font-family: var(--tc-font-mono); font-size: 12px; color: var(--tc-meta); }
[data-design="a"] .tc-log__title-line { grid-column: 3; grid-row: 1; font-family: var(--tc-font-body); font-size: 17px; color: var(--tc-ink); }
[data-design="a"] .tc-log__meta { grid-column: 3; grid-row: 2; font-family: var(--tc-font-mono); font-size: 12px; color: var(--tc-muted); }

/* ── About section ────────────────────────────────────────── */
[data-design="a"] .tc-about {
  padding: var(--tc-deck) var(--tc-bay);
  background: var(--tc-bg);
  border-top: 1px solid var(--tc-hairline);
}
[data-design="a"] .tc-about__inner { max-width: 720px; }
[data-design="a"] .tc-about__title {
  font-family: var(--tc-font-display);
  font-size: 28px;
  letter-spacing: -0.01em;
  color: var(--tc-ink);
  margin: 0 0 var(--tc-floor);
}
[data-design="a"] .tc-about__body { display: flex; flex-direction: column; gap: var(--tc-cell); margin-bottom: var(--tc-floor); }
[data-design="a"] .tc-about__body p { color: var(--tc-ink-2); margin: 0; max-width: 70ch; line-height: 1.65; font-size: 17px; }
[data-design="a"] .tc-about__contact { display: flex; gap: var(--tc-cell); flex-wrap: wrap; }

/* ── Repeat CTA ───────────────────────────────────────────── */
[data-design="a"] .tc-repeat-cta {
  padding: var(--tc-deck) var(--tc-bay);
  background: var(--tc-surface);
  border-top: 1px solid var(--tc-hairline);
  border-bottom: 1px solid var(--tc-hairline);
}
[data-design="a"] .tc-repeat-cta__inner { display: flex; align-items: center; gap: var(--tc-bay); flex-wrap: wrap; }
[data-design="a"] .tc-repeat-cta__label {
  font-family: var(--tc-font-display);
  font-size: 22px;
  color: var(--tc-ink);
  margin: 0;
  flex: 1 1 200px;
}
[data-design="a"] .tc-cta--repeat { animation: none; }
[data-design="a"] .tc-cta--repeat::before { animation: tc-cta-stream 8s var(--tc-ease-stream) infinite; }

/* ── Pills ────────────────────────────────────────────────── */
[data-design="a"] .tc-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  font-family: var(--tc-font-mono);
  font-size: 12px;
  border-radius: var(--tc-r-pill);
  text-transform: lowercase;
}
[data-design="a"] .tc-pill__dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
[data-design="a"] .tc-pill--resolved { color: var(--tc-success); background: color-mix(in oklab, var(--tc-success), transparent 86%); }
[data-design="a"] .tc-pill--pending  { color: var(--tc-accent);  background: color-mix(in oklab, var(--tc-accent),  transparent 86%); }
[data-design="a"] .tc-pill--flagged  { color: var(--tc-critical); background: color-mix(in oklab, var(--tc-critical), transparent 86%); }
[data-design="a"] .tc-pill--noted    { color: var(--tc-info);    background: color-mix(in oklab, var(--tc-info),    transparent 86%); }

/* ── Link ─────────────────────────────────────────────────── */
[data-design="a"] .tc-link {
  color: var(--tc-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
[data-design="a"] .tc-link:hover { color: #ffc24a; }

/* ── Footer ───────────────────────────────────────────────── */
[data-design="a"] .tc-footer {
  padding: var(--tc-deck) var(--tc-bay) var(--tc-floor);
  background: var(--tc-bg);
  border-top: 1px solid var(--tc-hairline);
}
[data-design="a"] .tc-footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--tc-floor) var(--tc-bay);
  margin-bottom: var(--tc-floor);
}
[data-design="a"] .tc-footer__col {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: var(--tc-font-mono);
  font-size: 13px;
  color: var(--tc-muted);
}
[data-design="a"] .tc-footer__head { color: var(--tc-ink-2); font-weight: 600; margin-bottom: 4px; }
[data-design="a"] .tc-footer__col a { color: var(--tc-muted); text-decoration: none; }
[data-design="a"] .tc-footer__col a:hover { color: var(--tc-accent); }
[data-design="a"] .tc-footer__bar {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: var(--tc-floor);
  border-top: 1px solid var(--tc-hairline);
  font-family: var(--tc-font-mono);
  font-size: 12px;
  color: var(--tc-meta);
}
[data-design="a"] .tc-footer__sys { opacity: 0.6; }

/* ── Keyframes ────────────────────────────────────────────── */
@keyframes tc-caret-blink { 0%,49% { opacity: 1 } 50%,100% { opacity: 0 } }
@keyframes tc-statline-pulse {
  0%,100% { opacity: 0.6; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.25); }
}
@keyframes tc-cta-breath {
  0%,100% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--tc-accent), transparent 70%); }
  50%      { box-shadow: 0 0 0 8px color-mix(in oklab, var(--tc-accent), transparent 88%); }
}
@keyframes tc-cta-stream {
  0%        { transform: translateX(-100%); }
  60%,100%  { transform: translateX(100%); }
}
@keyframes tc-stream-in {
  0%   { opacity: 0; transform: translateY(6px); }
  100% { opacity: 1; transform: translateY(0); }
}
@keyframes tc-stream-tide {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
@keyframes tc-log-pulse {
  0%,100% { opacity: 0.55; transform: scale(1); }
  50%      { opacity: 1;    transform: scale(1.18); }
}
@keyframes tc-step-in {
  0%   { opacity: 0; transform: translateX(18px); }
  100% { opacity: 1; transform: translateX(0); }
}

/* ── Reduced motion ───────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .rf-logo__caret,
  [data-design="a"] .tc-statline__dot { animation: none; opacity: 1; }
  [data-design="a"] .tc-cta { animation: none; }
  [data-design="a"] .tc-cta::before { animation: none; opacity: 0; }
  [data-design="a"] .tc-cta__caret { animation: none; opacity: 1; }
  [data-design="a"] .hsd-line-h1,
  [data-design="a"] .hsd-line-h2,
  [data-design="a"] .hsd-line-v1,
  [data-design="a"] .hsd-line-v2,
  [data-design="a"] .hsd-line-arc {
    animation: none;
    stroke-dashoffset: 0;
    opacity: 0.3;
  }
  [data-design="a"] .hsd-tick,
  [data-design="a"] .hsd-dim-txt,
  [data-design="a"] .hsd-float-label { animation: none; opacity: 0.3; }
  [data-design="a"] .hsd-ambient-float { animation: none; }
  [data-design="a"] .tc-stream__row { opacity: 1; transform: none; animation: none; }
  [data-design="a"] .tc-stream__motion { animation-play-state: paused; opacity: 0.25; }
  [data-design="a"] .tc-log__entry::after { animation-play-state: paused; opacity: 1; }
  [data-design="a"] .tc-funnel__step.is-active { animation: none; }
  [data-design="a"] .tc-funnel__dot { transition: none; }
  [data-design="a"] .tc-pointer__prompt,
  [data-design="a"] .tc-pointer__fill,
  [data-design="a"] .tc-pointer__bar-fill,
  [data-design="a"] .tc-pointer__chev { animation: none; transition: none; }
}

/* ── Responsive — desktop ─────────────────────────────────── */
@media (min-width: 900px) {
  [data-design="a"] .tc-hero { padding: var(--tc-canvas) clamp(40px, 8vw, 120px) var(--tc-deck); }
  [data-design="a"] .tc-funnel { padding: var(--tc-deck) clamp(40px, 8vw, 120px); }
  [data-design="a"] .tc-stream { padding: var(--tc-deck) clamp(40px, 8vw, 120px); }
  [data-design="a"] .tc-log { padding: var(--tc-deck) clamp(40px, 8vw, 120px); }
  [data-design="a"] .tc-about { padding: var(--tc-deck) clamp(40px, 8vw, 120px); }
  [data-design="a"] .tc-repeat-cta { padding: var(--tc-deck) clamp(40px, 8vw, 120px); }
  [data-design="a"] .tc-footer { padding: var(--tc-deck) clamp(40px, 8vw, 120px) var(--tc-floor); }
  [data-design="a"] .tc-pointer { padding: 28px clamp(40px, 8vw, 120px) 24px; }
}

/* ── Responsive — tablet ──────────────────────────────────── */
@media (max-width: 768px) {
  [data-design="a"] .tc-stream { padding: var(--tc-floor) var(--tc-cell); }
  [data-design="a"] .tc-stream__row { grid-template-columns: 32px 1fr; row-gap: 4px; }
  [data-design="a"] .tc-stream__row > .tc-pill { grid-column: 2 / 3; justify-self: start; }
  [data-design="a"] .tc-stream__title { font-size: 22px; }
  [data-design="a"] .tc-log { padding: var(--tc-floor) var(--tc-cell); }
  [data-design="a"] .tc-log__entry { grid-template-columns: 32px 1fr; }
  [data-design="a"] .tc-log__entry time { grid-column: 2; grid-row: 1; }
  [data-design="a"] .tc-log__id { grid-column: 2; grid-row: 2; }
  [data-design="a"] .tc-log__title-line { grid-column: 2; grid-row: 3; }
  [data-design="a"] .tc-log__meta { grid-column: 2; grid-row: 4; }
  [data-design="a"] .tc-log__title { font-size: 22px; }
  [data-design="a"] .tc-funnel { padding: var(--tc-floor) var(--tc-cell); }
  [data-design="a"] .tc-funnel__pad { padding: var(--tc-cell); }
  [data-design="a"] .tc-funnel__choices,
  [data-design="a"] .tc-funnel__fields { grid-template-columns: 1fr; }
  [data-design="a"] .tc-funnel__title { font-size: 22px; }
  [data-design="a"] .tc-funnel__legend { font-size: 18px; }
  [data-design="a"] .tc-funnel__actions { flex-direction: column-reverse; }
  [data-design="a"] .tc-funnel__actions .tc-btn { width: 100%; }
}

/* ── Responsive — mobile ──────────────────────────────────── */
@media (max-width: 560px) {
  [data-design="a"] .tc-statline__cell:not(.tc-statline__cell--flex):not(.tc-statline__cell--right) { display: none; }
  [data-design="a"] .rf-logo { font-size: 14px; }
  [data-design="a"] .tc-drawer a { font-size: 22px; }
  [data-design="a"] .tc-hero { padding: var(--tc-floor) var(--tc-cell) var(--tc-deck); min-height: 85vh; }
  [data-design="a"] .tc-hero__headline { font-size: clamp(22px, 7vw, 34px); }
  [data-design="a"] .tc-cta { padding: 12px 16px; font-size: 13px; width: 100%; justify-content: center; }
  [data-design="a"] .tc-about { padding: var(--tc-floor) var(--tc-cell); }
  [data-design="a"] .tc-repeat-cta { padding: var(--tc-floor) var(--tc-cell); }
  [data-design="a"] .tc-footer { padding: var(--tc-floor) var(--tc-cell) var(--tc-bay); }
  [data-design="a"] .tc-pointer { padding: 20px var(--tc-cell) 16px; }
}

@media (max-width: 380px) {
  [data-design="a"] .tc-statline { padding: 0 var(--tc-cell); }
  [data-design="a"] .rf-header__bar { padding: var(--tc-line) var(--tc-cell); }
  [data-design="a"] .tc-stream__row { font-size: 13px; }
}

/* ═══════════════════════════════════════════════════════════════
   HARD CONTRACT — mobile overflow / min-width guards
   Appended last per spec.
═══════════════════════════════════════════════════════════════ */
[data-design="a"].dq-design,
[data-design="a"] .dq-design {
  max-width: 100%;
  overflow-x: clip;
}
[data-design="a"] * {
  min-width: 0;
}
[data-design="a"] img,
[data-design="a"] svg:not([data-keep-size]) {
  max-width: 100%;
  height: auto;
}

/* 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; }