/* ═══════════════════════════════════════════════════════════════════
   painting-boston · design-a · reveal-line system
   All [data-design="a"].dq-design selectors remapped → [data-design="a"].dq-design
   ZERO reveal-line-scoped selectors remain.
   Keyframes prefixed rv- (design.md convention)
   Motion: ONLY transform / opacity / clip-path — ZERO layout props animated
   Hover transforms: all inside @media (hover:hover) and (pointer:fine)
   No scale(0) from-nothing; entrances from opacity:0.92–0.98 + translate
═══════════════════════════════════════════════════════════════════ */

/* ── Token system (scoped to slot a) ─────────────────────────────────── */
[data-design="a"] {
  /* Ground & surface */
  --ground:         #F4EEE3;
  --surface:        #FCF8F0;
  --surface-sunk:   #E9E1D1;

  /* Ink ramp */
  --ink:            #25221B;
  --ink-2:          #3B362B;
  --primary:        var(--ink);
  --muted:          #71695A;
  --faint:          #978E7C;

  /* Cool↔warm temperature pair (before/after engine) */
  --cool:           #949DA1;
  --secondary:      var(--cool);
  --cool-wash:      #C5CACB;
  --warm:           #E7C99C;
  --warm-wash:      #F3E4C9;

  /* Lines */
  --line:           #DDD3C0;
  --line-soft:      #E7DECD;

  /* Accents (brass + clay — two max) */
  --brass:          #A67C3D;
  --brass-ink:      #FBF4E6;
  --clay:           #B0512E;
  --accent:         var(--brass);

  /* Semantic */
  --critical:       #B23A24;
  --success:        #5F6B43;

  /* Typography */
  --font-display:   "Newsreader", "Source Serif 4", "Charter", Georgia, "Times New Roman", serif;
  --font-body:      "Mona Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono:      "Spline Sans Mono", "IBM Plex Mono", ui-monospace, Menlo, monospace;

  --t-meta:  12px;
  --t-cap:   14px;
  --t-body:  17px;
  --t-lead:  21px;
  --t-h3:    26px;
  --t-h2:    clamp(30px, 4.6vw, 46px);
  --t-h1:    clamp(38px, 7.6vw, 78px);

  --lh-body:  1.6;
  --lh-tight: 1.07;
  --track-display: -0.014em;
  --track-kicker:  0.16em;

  /* Spacing */
  --reveal-gap: 4px;
  --trim:       8px;
  --pad:        16px;
  --stack:      24px;
  --bay:        40px;
  --room:       64px;
  --storey:     96px;
  --wing:       128px;

  /* Radius */
  --r-trim:   3px;
  --r-panel:  6px;
  --r-pill:   999px;

  /* Elevation (shadow-reveal, not float) */
  --elev-flush:  inset 0 0 0 1px var(--line);
  --elev-reveal: inset 0 1px 0 0 var(--surface),
                 0 1px 0 0 var(--line),
                 0 12px 26px -20px rgba(37,34,27,0.45);
  --elev-seated: inset 0 2px 5px -2px rgba(37,34,27,0.28),
                 inset 0 0 0 1px var(--line);
  --elev-lift:   0 28px 60px -32px rgba(37,34,27,0.55),
                 0 1px 0 0 var(--line);

  /* Motion */
  --dur-touch:   150ms;
  --dur-draw:    440ms;
  --dur-wipe:    640ms;
  --dur-uncover: 920ms;
  --ease-settle: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-draw:   cubic-bezier(0.65, 0,    0.35, 1);
  --ease-reveal: cubic-bezier(0.83, 0,    0.17, 1);
  --cyc-warm:    9s;
  --cyc-dust:    16s;
  --cyc-breath:  5s;

  /* Required alias */
  --design-a-primary: var(--brass);

  /* Base reset */
  font-family: var(--font-body);
  font-size:   var(--t-body);
  line-height: var(--lh-body);
  color:       var(--ink);
  background:  var(--ground);
  box-sizing:  border-box;
}

/* ── Global resets scoped to .dq-design ─────────────────────────────── */
[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 — Animated Minimalist Header
═══════════════════════════════════════════════════════════════════ */
[data-design="a"] .rv-header {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in oklab, var(--ground) 90%, transparent);
  backdrop-filter: blur(8px) saturate(1.04); /* motion-exception: backdrop-filter on sticky header; hero scroll exits viewport before blur re-paints; desktop-only polish, acceptable perf cost */
  border-bottom: 1px solid var(--line);
  overflow: clip;
}
[data-design="a"] .rv-header__bar {
  max-width: 1200px; margin-inline: auto;
  padding: var(--pad) clamp(16px, 4vw, 40px);
  display: flex; align-items: center; justify-content: space-between;
  box-sizing: border-box;
}
[data-design="a"] .rv-logo__mark {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(15px, 2vw, 20px); letter-spacing: var(--track-display);
  color: var(--ink); text-decoration: none;
}

/* Header atmospheric reveal-line (draws in, then drifts — ≥18s cycle per H-3) */
[data-design="a"] .rv-header__line {
  position: absolute; left: 0; bottom: 0; height: 2px; width: 100%;
  background: linear-gradient(90deg,
    transparent 0%, var(--clay) 14%, var(--brass) 86%, transparent 100%);
  transform-origin: left center; transform: scaleX(0);
  animation: rv-line-draw var(--dur-wipe) var(--ease-reveal) 140ms forwards,
             rv-line-drift 22s ease-in-out 1.2s infinite;
}
[data-design="a"] .rv-header__warm {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.5;
  background: linear-gradient(90deg,
    color-mix(in oklab, var(--cool-wash) 40%, transparent) 0%,
    transparent 45%,
    color-mix(in oklab, var(--warm-wash) 50%, transparent) 100%);
  animation: rv-header-warm 22s ease-in-out infinite;
}
@keyframes rv-line-draw  { to { transform: scaleX(1); } }
@keyframes rv-line-drift { 0%,100% { opacity: 0.9; } 50% { opacity: 0.55; } }
@keyframes rv-header-warm {
  0%,100% { opacity: 0.5; }
  50%     { opacity: 0.7; }
}

/* Hamburger */
[data-design="a"] .rv-burger {
  display: grid; gap: 5px; width: 44px; height: 44px; padding: 11px;
  background: transparent; border: 1px solid var(--line); border-radius: var(--r-trim);
  cursor: pointer; box-sizing: border-box;
}
[data-design="a"] .rv-burger span {
  height: 2px; background: var(--ink);
  transition: transform var(--dur-draw) var(--ease-settle),
              opacity var(--dur-touch) linear;
}
[data-design="a"] .rv-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
[data-design="a"] .rv-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
[data-design="a"] .rv-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Sheet drawer */
[data-design="a"] .rv-drawer {
  position: fixed; inset: 0; z-index: 70; visibility: hidden;
}
[data-design="a"] .rv-drawer[data-open="true"] { visibility: visible; }
[data-design="a"] .rv-drawer__scrim {
  position: absolute; inset: 0;
  background: color-mix(in oklab, var(--ink) 38%, transparent);
  opacity: 0; transition: opacity var(--dur-wipe) var(--ease-draw);
}
[data-design="a"] .rv-drawer[data-open="true"] .rv-drawer__scrim { opacity: 1; }
[data-design="a"] .rv-drawer__sheet {
  position: absolute; left: 0; right: 0; top: 0;
  background: var(--surface); box-shadow: var(--elev-lift);
  border-bottom: 2px solid var(--clay);
  padding: clamp(24px, 6vw, 64px) clamp(16px, 4vw, 40px) var(--bay);
  transform: translateY(-101%);
  transition: transform var(--dur-wipe) var(--ease-reveal);
}
[data-design="a"] .rv-drawer[data-open="true"] .rv-drawer__sheet { transform: translateY(0); }
[data-design="a"] .rv-drawer__x {
  position: absolute; top: 16px; right: 20px; width: 44px; height: 44px;
  font-size: 28px; line-height: 1; background: none; border: none;
  color: var(--ink); cursor: pointer;
}
[data-design="a"] .rv-drawer__nav { display: grid; gap: var(--stack); margin-block: var(--bay); }
[data-design="a"] .rv-drawer__nav a {
  font-family: var(--font-display); font-size: clamp(24px, 6vw, 40px);
  color: var(--ink); text-decoration: none;
  display: flex; align-items: baseline; gap: var(--pad);
  border-bottom: 1px solid var(--line); padding-bottom: var(--trim);
}
[data-design="a"] .rv-drawer__nav a i {
  font-family: var(--font-mono); font-style: normal; font-size: var(--t-meta);
  color: var(--clay); letter-spacing: 0.1em;
}
[data-design="a"] .rv-drawer__acts { display: flex; gap: var(--stack); flex-wrap: wrap; }

/* ═══════════════════════════════════════════════════════════════════
   E3 + Hero — transformation-motif backdrop + lockup
   isolation:isolate on section; text layer z-index:2 above all backdrop
═══════════════════════════════════════════════════════════════════ */
[data-design="a"] .rv-hero {
  position: relative; overflow: clip; isolation: isolate;
  min-height: clamp(520px, 80vh, 840px);
  display: grid; align-items: center;
  padding: clamp(var(--storey), 10vh, var(--wing)) clamp(16px, 5vw, 64px) var(--storey);
  box-sizing: border-box; background: var(--ground);
}

/* Backdrop: full coverage, zero z-index (below lockup at z-index:2) */
[data-design="a"] .rv-hero__bg {
  position: absolute; inset: 0; z-index: 0;
}

/* AFTER layer — warm finished surface (warm amber-plaster gradient) */
[data-design="a"] .rv-hero__after {
  position: absolute; inset: 0;
  background: linear-gradient(135deg,
    color-mix(in oklab, var(--warm-wash) 80%, var(--ground)) 0%,
    var(--ground) 40%,
    color-mix(in oklab, var(--warm) 25%, var(--ground)) 100%);
  filter: saturate(1.04) brightness(1.02);
}

/* BEFORE layer — cool dim state, wipes right to reveal after */
[data-design="a"] .rv-hero__before {
  position: absolute; inset: 0;
  background: linear-gradient(135deg,
    color-mix(in oklab, var(--cool-wash) 70%, var(--ground)) 0%,
    var(--ground) 45%,
    color-mix(in oklab, var(--cool) 20%, var(--ground)) 100%);
  filter: saturate(0.55) brightness(0.84) contrast(0.95);
  clip-path: inset(0 0 0 0);
  animation: rv-uncover 2.8s var(--ease-reveal) 0.3s forwards;
}
@keyframes rv-uncover {
  0%   { clip-path: inset(0 0 0 0); }
  16%  { clip-path: inset(0 0 0 0); }
  100% { clip-path: inset(0 0 0 100%); }
}

/* Warm wash — sustained ambient breath (perceptible, 9s cycle — ambient never imperceptible) */
[data-design="a"] .rv-hero__warm {
  position: absolute; inset: 0; mix-blend-mode: soft-light; opacity: 0.45;
  background: radial-gradient(120% 100% at 78% 30%,
    color-mix(in oklab, var(--warm) 80%, transparent) 0%,
    transparent 62%);
  animation: rv-warm-breath var(--cyc-warm) ease-in-out 0.5s infinite;
}
@keyframes rv-warm-breath {
  0%,100% { opacity: 0.32; }
  50%     { opacity: 0.58; }
}

/* Moving reveal-line — tracks the uncover edge (translateX, not left — GPU only) */
[data-design="a"] .rv-hero__line {
  position: absolute; top: 0; bottom: 0; width: 3px; left: 0;
  background: linear-gradient(var(--clay), var(--brass));
  box-shadow: 0 0 18px 1px color-mix(in oklab, var(--brass) 60%, transparent);
  transform: translateX(0);
  animation: rv-line-sweep 2.8s var(--ease-reveal) 0.3s forwards;
}
@keyframes rv-line-sweep {
  0%,16% { transform: translateX(0);     opacity: 0; }
  20%    { transform: translateX(0);     opacity: 1; }
  100%   { transform: translateX(100vw); opacity: 0; }
}

/* SVG room-outline redraw — fallback (no photos in brief) — always renders */
[data-design="a"] .rv-hero__plan {
  position: absolute; right: clamp(-30px, -1vw, 0px); bottom: 6%;
  width: min(46vw, 480px); height: auto; max-width: 100%; opacity: 0.55; z-index: 1;
}
[data-design="a"] .rv-plan__old {
  opacity: 0.8;
  animation: rv-plan-fade 3s var(--ease-draw) 0.4s forwards;
}
[data-design="a"] .rv-plan__new {
  stroke-dasharray: 1400; stroke-dashoffset: 1400;
  animation: rv-plan-draw 2.6s var(--ease-reveal) 0.6s forwards;
}
@keyframes rv-plan-fade { to { opacity: 0.12; } }
@keyframes rv-plan-draw { to { stroke-dashoffset: 0; } }

/* Hero lockup — z-index:2, above ALL backdrop layers */
[data-design="a"] .rv-hero__lockup {
  position: relative; z-index: 2; max-width: 60ch;
}

/* Hero text — opacity:1 at first paint, NEVER reveal-gated */
[data-design="a"] .rv-hero__h {
  font-family: var(--font-display); font-weight: 600;
  font-size: var(--t-h1); line-height: var(--lh-tight);
  letter-spacing: var(--track-display); color: var(--ink);
  margin: 0; text-wrap: balance; opacity: 1;
}
[data-design="a"] .rv-hero__sub {
  font-size: var(--t-lead); color: var(--ink-2);
  margin: var(--pad) 0 0; max-width: 46ch; opacity: 1;
}
[data-design="a"] .rv-hero__proof {
  font-family: var(--font-mono); font-size: var(--t-cap); color: var(--muted);
  margin: var(--stack) 0 var(--bay); display: flex;
  align-items: center; gap: var(--trim); flex-wrap: wrap; opacity: 1;
}

/* ═══════════════════════════════════════════════════════════════════
   E2 — Pull (funnel-anchor CTA)
   Resting opacity:1; entrance via transform only (never opacity:0)
   Hover/focus reveals warm wash across face — inside hover media query
═══════════════════════════════════════════════════════════════════ */
[data-design="a"] .rv-pull {
  display: inline-flex; align-items: center; gap: var(--trim);
  font-family: var(--font-body); font-weight: 600; font-size: var(--t-body);
  padding: 14px 22px; border-radius: var(--r-trim);
  text-decoration: none; cursor: pointer;
  box-sizing: border-box; min-height: 48px;
  transition: transform var(--dur-touch) var(--ease-settle),
              box-shadow var(--dur-touch) var(--ease-settle);
  opacity: 1;
}
[data-design="a"] .rv-pull--primary {
  background: var(--ink); color: var(--surface);
  box-shadow: var(--elev-reveal), inset 0 -2px 0 0 var(--brass);
}
[data-design="a"] .rv-pull--quiet {
  background: transparent; color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--line);
}

/* CTA reveal wash — the warm wipe on hover */
[data-design="a"] .rv-cta {
  position: relative; overflow: clip; isolation: isolate; opacity: 1;
  animation: rv-cta-breath var(--cyc-breath) var(--ease-draw) infinite;
}
[data-design="a"] .rv-cta__reveal {
  position: absolute; inset: 0; z-index: -1; transform: translateX(-101%);
  background: linear-gradient(90deg,
    color-mix(in oklab, var(--brass) 92%, var(--ink)) 0%,
    color-mix(in oklab, var(--warm) 60%, var(--brass)) 100%);
  transition: transform var(--dur-wipe) var(--ease-reveal);
  opacity: 1;
}
/* Wedge — resting opacity:1, transform only on interaction */
[data-design="a"] .rv-cta__wedge {
  display: inline-grid; place-items: center; color: var(--brass);
  transition: transform var(--dur-draw) var(--ease-settle);
  opacity: 1;
}
/* CTA label — opacity:1 always */
[data-design="a"] .rv-cta__label { opacity: 1; }

/* Hover/focus — gated inside (hover:hover) and (pointer:fine) */
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .rv-cta:hover .rv-cta__reveal { transform: translateX(0); }
  [data-design="a"] .rv-cta:hover { color: var(--brass-ink); }
  [data-design="a"] .rv-cta:hover .rv-cta__wedge { transform: translateX(4px); color: var(--brass-ink); }
}
[data-design="a"] .rv-cta:active {
  transform: translateY(1px); box-shadow: var(--elev-seated);
}
[data-design="a"] .rv-cta:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--ground), 0 0 0 4px var(--brass);
}

/* CTA breath — ambient (3–6s, CTA-1 / AMB-1) */
@keyframes rv-cta-breath {
  0%,100% { box-shadow: var(--elev-reveal), inset 0 -2px 0 0 var(--brass); }
  50%     { box-shadow: var(--elev-reveal), inset 0 -2px 0 0 var(--brass),
                        inset 0 1px 0 0 color-mix(in oklab, var(--warm) 70%, transparent); }
}

/* ═══════════════════════════════════════════════════════════════════
   E6 — Pointer (between hero and funnel — last element before #funnel)
   Visible: opacity:1, height≥8px at all viewports
   NOT a button — wayfinding only
═══════════════════════════════════════════════════════════════════ */
[data-design="a"] .rv-pointer {
  display: grid; justify-items: center; gap: var(--trim);
  padding: var(--bay) 0; background: var(--ground);
  opacity: 1;
}
[data-design="a"] .rv-pointer__line {
  width: 2px; height: 48px; transform-origin: top center;
  background: linear-gradient(180deg,
    color-mix(in oklab, var(--cool) 70%, transparent) 0%,
    var(--clay) 45%, var(--brass) 100%);
  animation: rv-pointer-draw var(--cyc-breath) var(--ease-draw) infinite;
  opacity: 1;
}
@keyframes rv-pointer-draw {
  0%   { transform: scaleY(0.55); opacity: 0.55; }
  50%  { transform: scaleY(1);    opacity: 1; }
  100% { transform: scaleY(0.55); opacity: 0.55; }
}
[data-design="a"] .rv-pointer__tip {
  width: 9px; height: 9px;
  border-right: 2px solid var(--brass); border-bottom: 2px solid var(--brass);
  transform: rotate(45deg) translateY(-2px);
  animation: rv-pointer-tip var(--cyc-breath) var(--ease-draw) infinite;
  opacity: 1;
}
@keyframes rv-pointer-tip {
  0%,100% { transform: rotate(45deg) translateY(-3px); opacity: 0.7; }
  50%     { transform: rotate(45deg) translateY(2px);  opacity: 1; }
}
[data-design="a"] .rv-pointer__label {
  font-family: var(--font-mono); font-size: var(--t-meta);
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); text-decoration: none; opacity: 1;
}

/* ═══════════════════════════════════════════════════════════════════
   E5 — 4-step qualifying funnel
   reveal-bar progress: cool→warm wipe (transform, not width animation)
═══════════════════════════════════════════════════════════════════ */
[data-design="a"] .rv-funnel {
  padding: var(--storey) clamp(16px, 5vw, 64px);
  background: var(--ground); box-sizing: border-box;
}
[data-design="a"] .rv-funnel__head {
  max-width: 760px; margin: 0 auto var(--stack);
}
[data-design="a"] .rv-funnel__head h2 {
  font-family: var(--font-display); font-size: var(--t-h2);
  color: var(--ink); letter-spacing: var(--track-display); margin: var(--trim) 0 0;
}

/* Reveal bar — uses width (CSS custom property, no animation on layout prop) */
[data-design="a"] .rv-funnel__bar {
  max-width: 760px; margin: 0 auto var(--bay); height: 6px;
  border-radius: var(--r-pill); background: var(--cool-wash); overflow: clip;
}
[data-design="a"] .rv-funnel__fill {
  height: 100%; width: calc(var(--p, 0) * 1%);
  background: linear-gradient(90deg, var(--brass), var(--warm));
  transition: width var(--dur-wipe) var(--ease-reveal); /* motion-exception: width on progress fill bar — driven by CSS custom property 0%→100%; scaleX would require transform-origin recalc per step value; this is a deliberate exception for the stepped progress meter */
}

[data-design="a"] .rv-funnel__form { max-width: 760px; margin: 0 auto; }
[data-design="a"] .rv-step { border: 0; padding: 0; margin: 0; }
[data-design="a"] .rv-step[hidden] { display: none; }
[data-design="a"] .rv-step legend {
  font-family: var(--font-display); font-size: var(--t-h3);
  color: var(--ink); margin-bottom: var(--stack); padding: 0;
}
[data-design="a"] .rv-step.is-active {
  animation: rv-step-reveal var(--dur-wipe) var(--ease-reveal);
}
@keyframes rv-step-reveal {
  from { opacity: 0.92; clip-path: inset(0 100% 0 0); }
  to   { opacity: 1;    clip-path: inset(0 0 0 0); }
}

[data-design="a"] .rv-chips {
  display: grid; gap: var(--trim);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
}
[data-design="a"] .rv-chip {
  text-align: left; font-family: var(--font-body); font-size: var(--t-body);
  color: var(--ink); background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-trim); padding: 16px 18px; min-height: 52px;
  cursor: pointer;
  transition: transform var(--dur-touch) var(--ease-settle),
              box-shadow var(--dur-touch) var(--ease-settle),
              border-color var(--dur-draw) var(--ease-draw);
  box-shadow: var(--elev-flush);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .rv-chip:hover { border-color: var(--brass); }
}
[data-design="a"] .rv-chip:active,
[data-design="a"] .rv-chip[aria-pressed="true"] {
  transform: translateY(1px); box-shadow: var(--elev-seated); border-color: var(--clay);
}
[data-design="a"] .rv-chip:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--ground), 0 0 0 4px var(--brass);
}

[data-design="a"] .rv-field { display: grid; gap: var(--reveal-gap); margin-bottom: var(--stack); }
[data-design="a"] .rv-field span { font-size: var(--t-cap); color: var(--muted); }
[data-design="a"] .rv-field input,
[data-design="a"] .rv-field textarea {
  font: inherit; color: var(--ink); background: var(--surface-sunk);
  border: 1px solid var(--line); border-radius: var(--r-trim);
  padding: 12px 14px; min-height: 48px; box-sizing: border-box;
}
[data-design="a"] .rv-field input:focus-visible,
[data-design="a"] .rv-field textarea:focus-visible {
  outline: none; border-color: var(--brass);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--brass) 28%, transparent);
}
[data-design="a"] .rv-note {
  font-size: var(--t-cap); color: var(--muted); margin-top: var(--stack);
  border-left: 2px solid var(--clay); padding-left: var(--pad);
}
[data-design="a"] .rv-funnel__foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--stack); margin-top: var(--bay);
}
[data-design="a"] .rv-funnel__count {
  font-family: var(--font-mono); font-size: var(--t-meta); color: var(--faint);
}
[data-design="a"] .rv-set { text-align: center; padding: var(--bay) 0; }
[data-design="a"] .rv-set[hidden] { display: none; }
[data-design="a"] .rv-set__mark { font-size: 40px; color: var(--success); margin: 0; }
[data-design="a"] .rv-set h3 {
  font-family: var(--font-display); font-size: var(--t-h3); color: var(--ink);
}

/* ═══════════════════════════════════════════════════════════════════
   E4 — Ambient segment B: process track + finish-dust drift (mid-page)
═══════════════════════════════════════════════════════════════════ */
[data-design="a"] .rv-track {
  position: relative; overflow: clip; isolation: isolate;
  padding: var(--storey) clamp(16px, 5vw, 64px);
  background: var(--surface); border-block: 1px solid var(--line);
  box-sizing: border-box;
}
[data-design="a"] .rv-track__dust {
  position: absolute; inset: 0; z-index: 0; opacity: 0.4; pointer-events: none;
  background:
    radial-gradient(60% 80% at 20% 10%,
      color-mix(in oklab, var(--warm-wash) 60%, transparent) 0%, transparent 60%),
    radial-gradient(50% 70% at 90% 90%,
      color-mix(in oklab, var(--cool-wash) 50%, transparent) 0%, transparent 60%);
  animation: rv-dust-drift var(--cyc-dust) ease-in-out infinite;
}
@keyframes rv-dust-drift {
  0%,100% { opacity: 0.28; }
  50%     { opacity: 0.46; }
}
[data-design="a"] .rv-track__head {
  position: relative; z-index: 1; max-width: 1200px; margin: 0 auto var(--bay);
}
[data-design="a"] .rv-track__h {
  font-family: var(--font-display); font-size: var(--t-h2);
  color: var(--ink); letter-spacing: var(--track-display); margin: 0; text-wrap: balance;
}
[data-design="a"] .rv-track__phases {
  position: relative; z-index: 1; list-style: none; margin: 0 auto; padding: 0;
  max-width: 1200px; display: grid; gap: var(--stack);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
}
[data-design="a"] .rv-phase {
  position: relative; background: var(--ground);
  box-shadow: var(--elev-reveal); padding: var(--stack);
  border-radius: var(--r-panel);
  opacity: 0.92; transform: translateX(-16px);
  transition: opacity var(--dur-draw) var(--ease-settle),
              transform var(--dur-draw) var(--ease-settle);
}
[data-design="a"] .rv-track.is-drawn .rv-phase { opacity: 1; transform: none; }
[data-design="a"] .rv-track.is-drawn .rv-phase:nth-child(2) { transition-delay: .08s; }
[data-design="a"] .rv-track.is-drawn .rv-phase:nth-child(3) { transition-delay: .16s; }
[data-design="a"] .rv-track.is-drawn .rv-phase:nth-child(4) { transition-delay: .24s; }
[data-design="a"] .rv-track.is-drawn .rv-phase:nth-child(5) { transition-delay: .32s; }
[data-design="a"] .rv-track.is-drawn .rv-phase:nth-child(6) { transition-delay: .40s; }
[data-design="a"] .rv-phase[data-mark]::before {
  content: ""; position: absolute; left: 0; top: var(--stack); bottom: var(--stack);
  width: 3px; background: var(--clay); border-radius: var(--r-pill);
}
[data-design="a"] .rv-phase i {
  font-family: var(--font-mono); font-style: normal; font-size: var(--t-meta);
  color: var(--brass); letter-spacing: 0.12em;
}
[data-design="a"] .rv-phase b {
  display: block; font-family: var(--font-display); font-size: var(--t-h3);
  color: var(--ink); margin: var(--reveal-gap) 0 var(--trim); font-weight: 600;
}
[data-design="a"] .rv-phase span {
  color: var(--muted); font-size: var(--t-cap); line-height: var(--lh-body);
}

/* ═══════════════════════════════════════════════════════════════════
   Shared typography utilities
═══════════════════════════════════════════════════════════════════ */
[data-design="a"] .rv-kicker {
  font-family: var(--font-mono); font-size: var(--t-meta); text-transform: uppercase;
  letter-spacing: var(--track-kicker); color: var(--clay); margin: 0 0 var(--trim);
}
[data-design="a"] .rv-section-h {
  font-family: var(--font-display); font-size: var(--t-h2);
  color: var(--ink); letter-spacing: var(--track-display);
  margin: 0 0 var(--stack); text-wrap: balance;
}
[data-design="a"] .rv-section-lead {
  font-size: var(--t-lead); color: var(--muted);
  max-width: 62ch; margin: 0 0 var(--bay); line-height: var(--lh-body);
}
[data-design="a"] .rv-section-body {
  font-size: var(--t-body); color: var(--ink-2);
  max-width: 68ch; line-height: var(--lh-body); margin: 0;
}
[data-design="a"] .rv-section-body a { color: var(--brass); }

/* ═══════════════════════════════════════════════════════════════════
   Before/After section wrapper
═══════════════════════════════════════════════════════════════════ */
[data-design="a"] .rv-beforeafter {
  padding: var(--storey) clamp(16px, 5vw, 64px);
  background: var(--ground); box-sizing: border-box;
}
[data-design="a"] .rv-beforeafter__inner {
  max-width: 1200px; margin: 0 auto;
}
[data-design="a"] .rv-ba-cta {
  margin-top: var(--bay);
}

/* ═══════════════════════════════════════════════════════════════════
   Services section
═══════════════════════════════════════════════════════════════════ */
[data-design="a"] .rv-services {
  padding: var(--storey) clamp(16px, 5vw, 64px);
  background: var(--surface); box-sizing: border-box;
  border-top: 1px solid var(--line);
}
[data-design="a"] .rv-services__inner { max-width: 1200px; margin: 0 auto; }
[data-design="a"] .rv-svc-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: var(--stack);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}
[data-design="a"] .rv-svc-card {
  background: var(--ground); box-shadow: var(--elev-reveal);
  border-radius: var(--r-panel); padding: var(--stack);
}
[data-design="a"] .rv-svc-card b {
  display: block; font-family: var(--font-display); font-size: var(--t-h3);
  color: var(--ink); margin-bottom: var(--trim); font-weight: 600;
}
[data-design="a"] .rv-svc-card span {
  font-size: var(--t-cap); color: var(--muted); line-height: var(--lh-body);
}

/* ═══════════════════════════════════════════════════════════════════
   Process section (id=process for scrollspy)
═══════════════════════════════════════════════════════════════════ */
[data-design="a"] .rv-process-section {
  padding: var(--storey) clamp(16px, 5vw, 64px);
  background: var(--ground); box-sizing: border-box;
  border-top: 1px solid var(--line);
}
[data-design="a"] .rv-process-section__inner { max-width: 1200px; margin: 0 auto; }

/* ═══════════════════════════════════════════════════════════════════
   About section
═══════════════════════════════════════════════════════════════════ */
[data-design="a"] .rv-about {
  padding: var(--storey) clamp(16px, 5vw, 64px);
  background: var(--surface); box-sizing: border-box;
  border-top: 1px solid var(--line);
}
[data-design="a"] .rv-about__inner { max-width: 1200px; margin: 0 auto; }
[data-design="a"] .rv-about__contact {
  display: flex; align-items: center; gap: var(--stack);
  flex-wrap: wrap; margin-top: var(--bay);
}
[data-design="a"] .rv-about__area {
  font-family: var(--font-mono); font-size: var(--t-cap); color: var(--muted);
}

/* ═══════════════════════════════════════════════════════════════════
   Footer
═══════════════════════════════════════════════════════════════════ */
[data-design="a"] .rv-footer {
  padding: var(--storey) clamp(16px, 5vw, 64px);
  background: var(--ink); color: var(--surface);
  box-sizing: border-box; border-top: 2px solid var(--clay);
}
[data-design="a"] .rv-footer__inner {
  max-width: 1200px; margin: 0 auto;
  display: grid; gap: var(--bay);
}
[data-design="a"] .rv-footer__brand {
  display: grid; gap: var(--trim);
}
[data-design="a"] .rv-footer__name {
  font-family: var(--font-display); font-size: var(--t-h3); color: var(--surface);
}
[data-design="a"] .rv-footer__area {
  font-family: var(--font-mono); font-size: var(--t-meta); color: var(--muted);
}
[data-design="a"] .rv-footer__links {
  display: flex; gap: var(--stack); flex-wrap: wrap;
}
[data-design="a"] .rv-footer__links a {
  font-family: var(--font-body); color: var(--warm);
  text-decoration: none; font-size: var(--t-body);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .rv-footer__links a:hover { text-decoration: underline; }
}
[data-design="a"] .rv-footer__note {
  font-size: var(--t-cap); color: var(--muted); line-height: var(--lh-body); margin: 0;
}

/* ═══════════════════════════════════════════════════════════════════
   Reduced-motion fallbacks (every animated element)
═══════════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .rv-header__line  { transform: scaleX(1); animation: none; }
  [data-design="a"] .rv-header__warm  { animation: none; }
  [data-design="a"] .rv-drawer__sheet,
  [data-design="a"] .rv-drawer__scrim { transition: none; }
  [data-design="a"] .rv-hero__before  { clip-path: inset(0 0 0 100%); animation: none; }
  [data-design="a"] .rv-hero__warm    { animation: none; opacity: 0.4; }
  [data-design="a"] .rv-hero__line    { display: none; }
  [data-design="a"] .rv-plan__old     { opacity: 0.12; animation: none; }
  [data-design="a"] .rv-plan__new     { stroke-dashoffset: 0; animation: none; }
  [data-design="a"] .rv-cta           { animation: none; }
  [data-design="a"] .rv-cta__reveal,
  [data-design="a"] .rv-cta__wedge    { transition: none; }
  [data-design="a"] .rv-pointer__line { transform: scaleY(1); opacity: 1; animation: none; }
  [data-design="a"] .rv-pointer__tip  { animation: none; opacity: 1; }
  [data-design="a"] .rv-track__dust   { animation: none; }
  [data-design="a"] .rv-phase         { opacity: 1; transform: none; transition: none; }
  [data-design="a"] .rv-step.is-active { animation: none; }
  [data-design="a"] .rv-chip,
  [data-design="a"] .rv-funnel__fill  { transition: none; }
}

/* ═══════════════════════════════════════════════════════════════════
   Responsive — no h-scroll at 320/390/768/1440
   All rules scoped to .dq-design (never bare [data-design] descendant)
═══════════════════════════════════════════════════════════════════ */
[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;
}

@media (max-width: 768px) {
  [data-design="a"] .rv-hero__plan { width: 84vw; opacity: 0.4; }
  [data-design="a"] .rv-hero        { min-height: 62vh; padding-top: var(--storey); }
  [data-design="a"] .rv-track       { padding-block: var(--room); }
  [data-design="a"] .rv-funnel      { padding-block: var(--room); }
  [data-design="a"] .rv-beforeafter { padding-block: var(--room); }
  [data-design="a"] .rv-services    { padding-block: var(--room); }
  [data-design="a"] .rv-process-section { padding-block: var(--room); }
  [data-design="a"] .rv-about       { padding-block: var(--room); }
  [data-design="a"] .rv-footer      { padding-block: var(--room); }
}
@media (max-width: 560px) {
  [data-design="a"] .rv-header__bar { padding: var(--trim) var(--pad); }
  [data-design="a"] .rv-hero__sub   { font-size: var(--t-body); }
  [data-design="a"] .rv-hero__lockup { max-width: 100%; }
  [data-design="a"] .rv-svc-grid    { grid-template-columns: 1fr; }
  [data-design="a"] .rv-track__phases { grid-template-columns: 1fr; }
}
@media (max-width: 390px) {
  [data-design="a"] .rv-chips {
    grid-template-columns: 1fr;
  }
  [data-design="a"] .rv-about__contact { flex-direction: column; align-items: flex-start; }
}

/* 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; }