/* ══════════════════════════════════════════════════════════════════
   Texas Air Exports — Design A (atrium / hvac)
   Slot scope: [data-design="a"].dq-design
   All selectors scoped under .dq-design or [data-design="a"].dq-design
   Keyframes prefixed: a-
   Thermal tokens: --thermal-temp (0..1), --thermal-bg, --thermal-accent
   ══════════════════════════════════════════════════════════════════ */

/* ── ATRIUM BASE TOKENS (scoped to slot a) ──────────────────────── */
[data-design="a"] {
  --bg:          #08090B;
  --bg-deep:     #0E1014;
  --bg-elev:     #16181C;
  --ink:         #FAFAFA;
  --ink-soft:    #C5C8CC;
  --muted:       #7A7F86;
  --rule:        #1F2228;
  --rule-strong: #2E3138;
  --signal:      #9E8CFC;
  --signal-glow: rgba(158,140,252,.22);
  --seal:        #52C788;
  --amber:       #F0B956;
  --critical:    #E45A5A;
  --font-display:"Inter Display","Söhne","Helvetica Neue",system-ui,sans-serif;
  --font-body:   "Inter","Söhne",system-ui,sans-serif;
  --font-mono:   "JetBrains Mono","IBM Plex Mono","SF Mono",ui-monospace,monospace;
  --space-tick:  4px;
  --space-em:    8px;
  --space-row:   16px;
  --space-block: 24px;
  --space-pane:  40px;
  --space-bay:   72px;
  --dur-tick:    120ms;
  --dur-compile: 320ms;
  --dur-reveal:  520ms;
  --ease-snap:   cubic-bezier(.7,0,.84,0);
  --ease-compile:cubic-bezier(.22,1,.36,1);
  --ease-stream: cubic-bezier(.4,0,.2,1);
  --radius-tight:4px;
  --radius-card: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 0 0 1px var(--rule);
  --shadow-elev: 0 0 0 1px var(--rule-strong);
  --shadow-signal:0 0 0 1px var(--signal),0 0 24px var(--signal-glow);
  --shadow-focus:0 0 0 2px var(--bg),0 0 0 4px var(--signal);

  /* ── HVAC thermal tokens ── */
  --thermal-temp:  0.5;
  --thermal-cool:  #1e6b82;
  --thermal-warm:  #c97b2a;
  --thermal-bg:    color-mix(in srgb, #1e6b82 calc((1 - var(--thermal-temp)) * 100%), #c97b2a);
  --thermal-accent:color-mix(in srgb, #2f8fa6 calc((1 - var(--thermal-temp)) * 100%), #ee9a44);

  /* comfort-dial colour vars */
  --cd-cool:        #2f8fa6;
  --cd-warm:        #ee9a44;
  --cd-needle:      #f1b968;
  --cd-knob:        color-mix(in srgb, #082b3a 55%, black);
  --cd-knob-stroke: rgba(244,239,229,0.22);
  --cd-ring-bg:     rgba(244,239,229,0.16);
  --cd-paper:       #f4efe5;
  --cd-accent:      #f1b968;

  background: var(--bg);
  color: var(--ink-soft);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

[data-design="a"].dq-design * { box-sizing: border-box; }

@media (prefers-color-scheme: light) {
  [data-design="a"] {
    --bg: #FAFAFA; --bg-deep: #F0F0F2; --bg-elev: #FFFFFF;
    --ink: #0A0B0D; --ink-soft: #3A3D44; --muted: #74787E;
    --rule: #E0E1E4; --rule-strong: #C8CACE;
    --signal: #6E56CF; --signal-glow: rgba(110,86,207,.18);
    --thermal-cool: #155f73;
    --thermal-warm: #9b5c1a;
  }
}

/* ── OVERFLOW GUARD ─────────────────────────────────────────────── */
[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
   ══════════════════════════════════════════════════════════════════ */
[data-design="a"] .atr-header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: saturate(140%) blur(8px); /* motion-exception: sticky header blur; hero canvas is beneath hero section, not behind the header — no per-frame hero repaint; standard frosted-nav pattern */
  backdrop-filter: saturate(140%) blur(8px); /* motion-exception: sticky header blur; hero canvas is beneath hero section, not behind the header — no per-frame hero repaint; standard frosted-nav pattern */
  border-bottom: 1px solid var(--rule);
}
[data-design="a"] .atr-header__bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-row); max-width: 1200px; margin: 0 auto;
  padding: var(--space-row) clamp(14px,5vw,40px); min-height: 60px;
}
[data-design="a"] .atr-logo {
  font-family: var(--font-display); font-weight: 600; font-size: 18px;
  letter-spacing: -.02em; color: var(--ink); text-decoration: none;
}
/* atmospheric layer: thermal-tinted signal hairline, 24s */
[data-design="a"] .atr-header__sweep {
  position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; opacity: .7;
  background: linear-gradient(90deg,
    transparent 0 42%,
    var(--thermal-accent) 50%,
    transparent 58% 100%);
  background-size: 240% 100%;
  animation: a-header-sweep 24s linear infinite;
}
@keyframes a-header-sweep {
  from { background-position: 160% 0; } to { background-position: -60% 0; }
}
/* hamburger */
[data-design="a"] .atr-burger {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; padding: 0 8px; cursor: pointer;
  background: var(--bg-elev); border: 1px solid var(--rule);
  border-radius: var(--radius-tight);
  transition: box-shadow var(--dur-tick) var(--ease-compile);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .atr-burger:hover { box-shadow: var(--shadow-elev); }
}
[data-design="a"] .atr-burger:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
[data-design="a"] .atr-burger__line {
  display: block; height: 1.5px; width: 100%; background: var(--ink);
  transition: transform var(--dur-tick) var(--ease-snap);
}
[data-design="a"] .atr-burger[aria-expanded="true"] .atr-burger__line:first-child {
  transform: translateY(3.5px) rotate(45deg);
}
[data-design="a"] .atr-burger[aria-expanded="true"] .atr-burger__line:last-child {
  transform: translateY(-3px) rotate(-45deg);
}
/* drawer */
[data-design="a"] .atr-drawer { position: fixed; inset: 0; z-index: 60; }
[data-design="a"] .atr-drawer[hidden] { display: none; }
[data-design="a"] .atr-drawer__scrim {
  position: absolute; inset: 0; background: rgba(4,5,7,.75);
  opacity: 0; transition: opacity 200ms var(--ease-stream);
}
[data-design="a"] .atr-drawer__pane {
  position: absolute; top: 0; right: 0; height: 100%;
  width: min(480px,86vw); max-width: 100%;
  background: var(--bg-elev); border-left: 1px solid var(--rule-strong);
  padding: var(--space-pane) var(--space-block);
  display: flex; flex-direction: column; gap: var(--space-row);
  transform: translateX(100%); transition: transform 220ms var(--ease-compile);
}
[data-design="a"] .atr-drawer.is-open .atr-drawer__scrim { opacity: 1; }
[data-design="a"] .atr-drawer.is-open .atr-drawer__pane { transform: none; }
[data-design="a"] .atr-drawer__crumb {
  font-family: var(--font-mono); font-size: 12px; color: var(--muted);
}
[data-design="a"] .atr-drawer__esc {
  align-self: flex-start; font-family: var(--font-mono); font-size: 12px;
  letter-spacing: .04em; color: var(--muted); background: none; border: 0;
  padding: 0; cursor: pointer; min-height: 44px;
}
[data-design="a"] .atr-navlink {
  font-family: var(--font-display); font-size: 22px; font-weight: 500;
  letter-spacing: -.01em; color: var(--ink-soft); text-decoration: none;
  padding: var(--space-em) 0; border-bottom: 1px solid var(--rule);
  transition: color var(--dur-tick) var(--ease-compile);
  min-height: 44px; display: flex; align-items: center;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .atr-navlink:hover { color: var(--ink); }
  [data-design="a"] .atr-navlink:hover::before { content: "/"; color: var(--signal); margin-right: 6px; }
}
[data-design="a"] .atr-drawer__divider {
  height: 1px; background: var(--rule); margin: var(--space-em) 0;
}
[data-design="a"] .atr-drawer__phone {
  font-family: var(--font-mono); font-size: 18px; color: var(--thermal-accent);
  text-decoration: none; font-weight: 500; min-height: 44px;
  display: flex; align-items: center;
}
[data-design="a"] .atr-drawer__cta {
  font-family: var(--font-display); font-weight: 500; font-size: 15px;
  color: var(--bg); background: var(--ink); text-decoration: none;
  padding: 11px 18px; border-radius: var(--radius-tight);
  display: inline-flex; align-items: center; min-height: 44px;
}

/* ══════════════════════════════════════════════════════════════════
   HERO — thermal backdrop + text + dial
   ══════════════════════════════════════════════════════════════════ */
[data-design="a"] .a-hero {
  position: relative;
  min-height: clamp(520px,75vh,880px);
  display: flex; flex-direction: column;
  overflow: hidden;
}
/* E3: thermal backdrop — HERO-1 single animated layer */
[data-design="a"] .a-hero__backdrop {
  position: absolute; inset: 0; z-index: 0;
  background: var(--bg-deep);
  overflow: hidden;
}
[data-design="a"] .a-hero__canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  /* thermal gradient animated by JS (canvas) */
}
/* isotherm lines — cool-teal, clip-path animate in */
[data-design="a"] .a-hero__iso {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--thermal-accent) 50%, transparent 100%);
  opacity: 0;
  animation: a-iso-arrive var(--dur-reveal) var(--ease-compile) forwards,
             a-iso-drift 18s linear infinite;
}
[data-design="a"] .iso-1 {
  width: 60%; left: 20%; top: 30%;
  animation-delay: 0.1s, 0.7s;
}
[data-design="a"] .iso-2 {
  width: 40%; left: 35%; top: 55%;
  animation-delay: 0.35s, 0.95s;
}
[data-design="a"] .iso-3 {
  width: 50%; left: 25%; top: 70%;
  animation-delay: 0.6s, 1.2s;
}
@keyframes a-iso-arrive {
  from { opacity: 0; clip-path: inset(0 100% 0 0); }
  to   { opacity: 0.18; clip-path: inset(0 0% 0 0); }
}
@keyframes a-iso-drift {
  0%   { transform: translateX(0); }
  50%  { transform: translateX(4px); }
  100% { transform: translateX(0); }
}

/* hero content — ABOVE backdrop (HARD: z-index isolation) */
[data-design="a"] .a-hero__content {
  position: relative;
  z-index: 10;
  flex: 1;
  display: flex;
  align-items: center;
}
[data-design="a"] .a-hero__inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(48px,8vh,96px) clamp(14px,5vw,40px) clamp(40px,6vh,72px);
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto;
  gap: var(--space-block) var(--space-pane);
  align-items: start;
}
[data-design="a"] .a-hero__crumb {
  grid-column: 1 / -1;
  font-family: var(--font-mono); font-size: 12px; color: var(--muted);
  letter-spacing: .04em;
}
[data-design="a"] .a-hero__headline {
  grid-column: 1;
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(28px,5.5vw,60px); line-height: 1.05;
  letter-spacing: -.03em; color: var(--ink);
  margin: 0;
  opacity: 1; /* HARD: never opacity:0 */
}
[data-design="a"] .a-hero__subtitle {
  grid-column: 1;
  font-family: var(--font-body); font-size: clamp(15px,1.8vw,18px);
  line-height: 1.5; color: var(--ink-soft); margin: 0;
  opacity: 1;
}
[data-design="a"] .a-hero__proof {
  grid-column: 1;
  font-family: var(--font-mono); font-size: 13px; color: var(--muted);
  letter-spacing: .04em; margin: 0;
  opacity: 1;
}
[data-design="a"] .a-hero__chip {
  grid-column: 1;
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em;
  color: var(--signal); border: 1px solid var(--signal);
  border-radius: var(--radius-pill); padding: 3px 10px;
  width: fit-content;
}
[data-design="a"] .a-chip__dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--signal);
  animation: a-signal-pulse 3.2s var(--ease-stream) infinite;
}
@keyframes a-signal-pulse {
  0%,100% { box-shadow: 0 0 0 0 var(--signal-glow); }
  50%      { box-shadow: 0 0 14px 3px var(--signal-glow); }
}
[data-design="a"] .a-hero__ctas {
  grid-column: 1;
  display: flex; gap: var(--space-row); flex-wrap: wrap; align-items: center;
}
/* dial column — right side on desktop */
[data-design="a"] .a-hero__dial-wrap {
  grid-column: 2;
  grid-row: 2 / 7;
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-block) 0;
}
/* bare mount: no box/label/border */
[data-design="a"] .a-comfort-dial-mount {
  /* bare centering container only — no bg, no border, no padding */
}

/* E2: Emergency CTA */
[data-design="a"] .a-emergency-cta {
  position: relative;
  display: inline-flex; align-items: center; gap: var(--space-em);
  font-family: var(--font-display); font-weight: 600; font-size: 17px;
  letter-spacing: -.01em;
  color: var(--bg); text-decoration: none;
  background: var(--thermal-accent);
  padding: 13px 22px; border-radius: var(--radius-tight);
  box-shadow: var(--shadow-card);
  min-height: 48px;
  animation: a-cta-breath 4.8s var(--ease-stream) infinite;
  transition: transform var(--dur-tick) var(--ease-compile),
              box-shadow var(--dur-tick) var(--ease-compile);
  will-change: transform;
}
[data-design="a"] .a-emergency-cta__label { opacity: 1; }
@keyframes a-cta-breath {
  0%,100% { box-shadow: 0 0 0 1px var(--rule), 0 0 0 0 var(--signal-glow); }
  50%      { box-shadow: 0 0 0 1px var(--rule), 0 0 22px 0 var(--signal-glow); }
}
[data-design="a"] .a-emergency-cta__hair {
  position: absolute; right: 10px; bottom: 6px; height: 1px; width: 34px;
  transform: scaleX(0); transform-origin: right;
  background: var(--bg); transition: transform var(--dur-reveal) var(--ease-compile);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .a-emergency-cta:hover {
    transform: translateY(-1px); box-shadow: var(--shadow-elev);
  }
  [data-design="a"] .a-emergency-cta:hover .a-emergency-cta__hair {
    transform: scaleX(1);
  }
}
[data-design="a"] .a-emergency-cta:focus-visible {
  outline: none; box-shadow: var(--shadow-focus); transform: translateY(-1px);
}
[data-design="a"] .a-emergency-cta:active { transform: translateY(1px); }

/* E2b: Plan CTA (atr-cta adapted to slot a) */
[data-design="a"] .atr-cta {
  position: relative; display: inline-flex; align-items: center; gap: var(--space-em);
  font-family: var(--font-display); font-weight: 500; font-size: 15px;
  letter-spacing: -.01em; color: var(--bg); text-decoration: none;
  background: var(--ink); padding: 11px 18px; border-radius: var(--radius-tight);
  box-shadow: var(--shadow-card); will-change: transform; min-height: 44px;
  animation: a-cta-breath 4.8s var(--ease-stream) infinite;
  transition: transform var(--dur-tick) var(--ease-compile),
              box-shadow var(--dur-tick) var(--ease-compile),
              background var(--dur-tick) var(--ease-compile);
}
[data-design="a"] .atr-cta__hair {
  position: absolute; right: 10px; bottom: 6px; height: 1px; width: 34px;
  transform: scaleX(0); transform-origin: right;
  background: var(--signal); transition: transform var(--dur-reveal) var(--ease-compile);
}
[data-design="a"] .atr-cta__arrow {
  transition: transform var(--dur-tick) var(--ease-compile);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .atr-cta:hover {
    outline: none; background: var(--ink-soft); animation-play-state: paused;
    box-shadow: var(--shadow-elev); transform: translateY(-1px);
  }
  [data-design="a"] .atr-cta:hover .atr-cta__hair { transform: scaleX(1); }
  [data-design="a"] .atr-cta:hover .atr-cta__arrow { transform: translateX(3px); }
}
[data-design="a"] .atr-cta:focus-visible {
  outline: none; box-shadow: var(--shadow-focus); transform: translateY(-1px);
}
[data-design="a"] .atr-cta:focus-visible .atr-cta__hair { transform: scaleX(1); }
[data-design="a"] .atr-cta:active { transform: translateY(1px); box-shadow: var(--shadow-signal); }

/* ══════════════════════════════════════════════════════════════════
   E6 — POINTER (thermal-flow, immediately before #quote)
   ══════════════════════════════════════════════════════════════════ */
[data-design="a"] .a-pointer {
  display: flex; flex-direction: column; align-items: center;
  padding: clamp(24px,4vw,40px) 0;
  gap: 8px;
  opacity: 1; /* HARD: never opacity:0; always rendered */
  min-height: 80px; /* HARD: bounding-box height > 8px */
}
/* hairline that draws cool→warm and re-extends periodically */
[data-design="a"] .a-pointer__line {
  width: 1px;
  height: clamp(40px,6vh,72px);
  background: linear-gradient(to bottom,
    var(--thermal-cool) 0%,
    var(--thermal-warm) 100%);
  transform-origin: top;
  animation: a-pointer-draw 2.4s var(--ease-compile) both,
             a-pointer-pulse 6s var(--ease-stream) 2.5s infinite;
}
@keyframes a-pointer-draw {
  from { transform: scaleY(0); opacity: 0; }
  to   { transform: scaleY(1); opacity: 1; }
}
@keyframes a-pointer-pulse {
  0%,100% { opacity: 0.5; }
  50%      { opacity: 1; }
}
[data-design="a"] .a-pointer__wash {
  width: clamp(40px,6vw,80px); height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--thermal-accent) 50%,
    transparent 100%);
  animation: a-pointer-wash 4s var(--ease-stream) 1s both,
             a-pointer-wash-pulse 6s var(--ease-stream) 5s infinite;
}
@keyframes a-pointer-wash {
  from { transform: scaleX(0); opacity: 0; }
  to   { transform: scaleX(1); opacity: 0.7; }
}
@keyframes a-pointer-wash-pulse {
  0%,100% { opacity: 0.4; }
  50%      { opacity: 0.9; }
}

/* ══════════════════════════════════════════════════════════════════
   FUNNEL (#quote)
   ══════════════════════════════════════════════════════════════════ */
[data-design="a"] .a-funnel {
  padding: var(--space-bay) clamp(14px,5vw,40px);
  border-top: 1px solid var(--rule);
  /* thermal warm end */
  background: color-mix(in srgb, var(--bg-deep) 85%,
    color-mix(in srgb, var(--thermal-warm) 30%, transparent));
}
[data-design="a"] .a-funnel__inner {
  max-width: 640px;
  margin: 0 auto;
}
[data-design="a"] .a-funnel__meta {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em;
  color: var(--muted); margin-bottom: var(--space-em);
}
[data-design="a"] .a-funnel__title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(22px,4vw,32px); line-height: 1.15;
  letter-spacing: -.02em; color: var(--ink);
  margin: 0 0 var(--space-tick);
}
[data-design="a"] .a-funnel__lead {
  color: var(--muted); font-size: 15px; line-height: 1.5;
  margin: 0 0 var(--space-block);
}
/* Steps */
[data-design="a"] .a-step {
  margin-bottom: var(--space-block);
  transition: opacity var(--dur-reveal) var(--ease-compile),
              transform var(--dur-reveal) var(--ease-compile);
}
[data-design="a"] .a-step--hidden {
  display: none;
}
[data-design="a"] .a-step__label {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em;
  color: var(--muted); margin-bottom: var(--space-em);
}
[data-design="a"] .a-step__options {
  display: flex; flex-wrap: wrap; gap: var(--space-em);
}
[data-design="a"] .a-funnel-option {
  font-family: var(--font-body); font-size: 15px; font-weight: 500;
  color: var(--ink-soft);
  background: var(--bg-elev); border: 1px solid var(--rule);
  border-radius: var(--radius-tight);
  padding: 11px 18px; cursor: pointer; min-height: 44px; min-width: 44px;
  transition: border-color var(--dur-tick) var(--ease-compile),
              color var(--dur-tick) var(--ease-compile),
              box-shadow var(--dur-tick) var(--ease-compile);
  opacity: 1; /* HARD: never opacity:0 on funnel options */
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .a-funnel-option:hover {
    border-color: var(--thermal-accent);
    color: var(--ink);
    box-shadow: var(--shadow-elev);
  }
}
[data-design="a"] .a-funnel-option:focus-visible {
  outline: none; box-shadow: var(--shadow-focus);
}
[data-design="a"] .a-funnel-option.is-selected {
  border-color: var(--signal); color: var(--ink);
  box-shadow: var(--shadow-signal);
}
[data-design="a"] .a-funnel-option:active {
  transform: scale(0.98);
}
/* Contact action step */
[data-design="a"] .a-contact-urgent,
[data-design="a"] .a-contact-plan {
  /* shown/hidden via display:none — NEVER opacity:0 */
}
[data-design="a"] .a-funnel-call {
  display: flex; flex-direction: column; gap: 4px;
  background: var(--bg-elev); border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  padding: var(--space-block); text-decoration: none;
  min-height: 80px; justify-content: center;
  transition: border-color var(--dur-tick) var(--ease-compile);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .a-funnel-call:hover {
    border-color: var(--thermal-accent);
  }
}
[data-design="a"] .a-funnel-call__num {
  font-family: var(--font-display); font-size: clamp(22px,4vw,32px);
  font-weight: 600; color: var(--thermal-accent); letter-spacing: -.02em;
}
[data-design="a"] .a-funnel-call__note {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--muted); letter-spacing: .04em;
}
/* progress dots */
[data-design="a"] .a-funnel__progress {
  display: flex; align-items: center; gap: 0; margin-top: var(--space-block);
}
[data-design="a"] .a-funnel__prog-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--rule-strong); flex: none;
  transition: background var(--dur-compile) var(--ease-compile);
}
[data-design="a"] .a-funnel__prog-dot.is-active {
  background: var(--thermal-accent);
}
[data-design="a"] .a-funnel__prog-line {
  flex: 1; height: 1px; background: var(--rule);
}

/* ══════════════════════════════════════════════════════════════════
   SERVICES — E3 live console (atr-ambient-a, slot a)
   ══════════════════════════════════════════════════════════════════ */
[data-design="a"] .a-services {
  border-top: 1px solid var(--rule);
}
[data-design="a"] .a-services__inner {
  max-width: 1200px; margin: 0 auto;
}
/* ambient-a component (slot a scoped) */
[data-design="a"] .atr-ambient-a {
  max-width: 1200px; margin: 0 auto;
  padding: var(--space-bay) clamp(14px,5vw,40px);
  border-bottom: 1px solid var(--rule);
}
[data-design="a"] .atr-a__head {
  display: flex; align-items: center; gap: var(--space-row);
  flex-wrap: wrap; margin-bottom: var(--space-block);
}
[data-design="a"] .atr-a__pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em;
  color: var(--signal); border: 1px solid var(--signal);
  border-radius: var(--radius-pill); padding: 3px 10px;
}
[data-design="a"] .atr-a__dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--signal);
  animation: a-signal-pulse 3.2s var(--ease-stream) infinite;
}
[data-design="a"] .atr-a__title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(24px,4.5vw,32px); line-height: 1.15;
  letter-spacing: -.02em; color: var(--ink); margin: 0;
}
[data-design="a"] .atr-a__console {
  display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: clamp(13px,3.4vw,17px);
  color: var(--ink-soft); background: var(--bg-deep);
  border: 1px solid var(--rule); border-radius: var(--radius-tight);
  padding: var(--space-row) var(--space-block); overflow: hidden;
}
[data-design="a"] .atr-a__prompt { color: var(--muted); }
[data-design="a"] .atr-a__value.is-compiled {
  animation: a-compile var(--dur-compile) var(--ease-compile) both;
}
@keyframes a-compile {
  from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); }
}
[data-design="a"] .atr-a__cursor {
  color: var(--signal); animation: a-blink 1.06s steps(1,end) infinite;
}
@keyframes a-blink { 0%,49% { opacity: 1; } 50%,100% { opacity: 0; } }
[data-design="a"] .atr-a__note {
  max-width: 60ch; margin: var(--space-block) 0 0;
  color: var(--muted); font-size: 15px; line-height: 1.55;
}
/* services grid */
[data-design="a"] .a-svc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-block);
  padding: 0 clamp(14px,5vw,40px) var(--space-bay);
  max-width: 1200px; margin: 0 auto;
}
[data-design="a"] .a-svc-card {
  background: var(--bg-deep); border: 1px solid var(--rule);
  border-radius: var(--radius-tight); padding: var(--space-block);
  transition: border-color var(--dur-tick) var(--ease-compile),
              box-shadow var(--dur-tick) var(--ease-compile);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .a-svc-card:hover {
    border-color: var(--thermal-accent);
    box-shadow: var(--shadow-elev);
  }
}
[data-design="a"] .a-svc-card__tag {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em;
  color: var(--thermal-accent); margin-bottom: var(--space-em);
}
[data-design="a"] .a-svc-card__name {
  font-family: var(--font-display); font-size: 17px; font-weight: 600;
  color: var(--ink); margin: 0 0 var(--space-em); letter-spacing: -.01em;
}
[data-design="a"] .a-svc-card__desc {
  font-size: 14px; line-height: 1.55; color: var(--muted); margin: 0;
}

/* ══════════════════════════════════════════════════════════════════
   E4 — ambient-b schematic (slot a)
   ══════════════════════════════════════════════════════════════════ */
[data-design="a"] .atr-ambient-b {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--space-pane);
  align-items: center; max-width: 1200px; margin: 0 auto;
  padding: var(--space-bay) clamp(14px,5vw,40px);
  border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
}
[data-design="a"] .atr-b__title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(24px,4.5vw,32px); line-height: 1.15;
  letter-spacing: -.02em; color: var(--ink); margin: 0 0 var(--space-row);
}
[data-design="a"] .atr-b__body {
  max-width: 54ch; color: var(--muted); font-size: 15px; line-height: 1.55; margin: 0 0 var(--space-block);
}
/* spec sheet */
[data-design="a"] .a-spec-sheet {
  display: grid; gap: var(--space-em);
}
[data-design="a"] .a-spec-row {
  display: flex; gap: var(--space-row); align-items: baseline;
  font-family: var(--font-mono); font-size: 13px;
  border-bottom: 1px solid var(--rule); padding-bottom: var(--space-em);
  animation: a-spec-reveal var(--dur-reveal) var(--ease-compile) both;
}
[data-design="a"] .a-spec-row:nth-child(1) { animation-delay: 0.05s; }
[data-design="a"] .a-spec-row:nth-child(2) { animation-delay: 0.12s; }
[data-design="a"] .a-spec-row:nth-child(3) { animation-delay: 0.19s; }
[data-design="a"] .a-spec-row:nth-child(4) { animation-delay: 0.26s; }
[data-design="a"] .a-spec-row:nth-child(5) { animation-delay: 0.33s; }
[data-design="a"] .a-spec-row:nth-child(6) { animation-delay: 0.40s; }
@keyframes a-spec-reveal {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}
[data-design="a"] .a-spec-k {
  color: var(--muted); letter-spacing: .06em; flex: none; width: 80px;
}
[data-design="a"] .a-spec-v {
  color: var(--ink-soft); flex: 1;
}
/* SVG schematic */
[data-design="a"] .atr-b__schematic {
  width: 100%; max-width: 100%; height: auto;
  background: var(--bg-deep); border: 1px solid var(--rule);
  border-radius: var(--radius-card); padding: 8px;
}
[data-design="a"] .atr-b__rules path { fill: none; stroke: var(--rule-strong); stroke-width: 1; }
[data-design="a"] .atr-b__trace {
  fill: none; stroke: var(--signal); stroke-width: 1.5;
  stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 6 540;
  animation: a-b-flow 16s linear infinite;
}
/* thermal trace uses thermal-accent color */
[data-design="a"] .a-thermal-trace {
  stroke: var(--thermal-accent);
}
@keyframes a-b-flow { from { stroke-dashoffset: 0; } to { stroke-dashoffset: -546; } }
[data-design="a"] .atr-b__node { fill: var(--ink-soft); }
[data-design="a"] .atr-b__node--live {
  fill: var(--thermal-accent);
  animation: a-signal-pulse 3.2s var(--ease-stream) infinite;
}
[data-design="a"] .atr-b__label {
  fill: var(--muted); font-family: var(--font-mono); font-size: 8px; letter-spacing: .06em;
}
[data-design="a"] .atr-ambient-b.is-paused .atr-b__trace,
[data-design="a"] .atr-ambient-b.is-paused .atr-b__node--live { animation-play-state: paused; }

/* ══════════════════════════════════════════════════════════════════
   ABOUT
   ══════════════════════════════════════════════════════════════════ */
[data-design="a"] .a-about {
  border-top: 1px solid var(--rule);
  padding: var(--space-bay) clamp(14px,5vw,40px);
}
[data-design="a"] .a-about__inner {
  max-width: 640px; margin: 0 auto;
}
[data-design="a"] .a-about__title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(24px,4.5vw,32px); line-height: 1.15;
  letter-spacing: -.02em; color: var(--ink); margin: 0 0 var(--space-block);
}
[data-design="a"] .a-about__body p {
  font-size: 16px; line-height: 1.6; color: var(--ink-soft);
  margin: 0 0 var(--space-block); max-width: 65ch;
}
[data-design="a"] .a-about .atr-cta {
  margin-top: var(--space-block);
}

/* ══════════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════════ */
[data-design="a"] .a-footer {
  border-top: 1px solid var(--rule);
  padding: var(--space-block) clamp(14px,5vw,40px);
}
[data-design="a"] .a-footer__inner {
  max-width: 1200px; margin: 0 auto;
}
[data-design="a"] .a-footer__strip {
  display: flex; flex-wrap: wrap; gap: var(--space-em) var(--space-row);
  font-family: var(--font-mono); font-size: 12px; color: var(--muted);
  align-items: center;
}
[data-design="a"] .a-footer__firm {
  color: var(--ink-soft); font-weight: 500;
}
[data-design="a"] .a-footer__phone {
  color: var(--thermal-accent); text-decoration: none;
}
[data-design="a"] .a-footer__sep { color: var(--rule-strong); }

/* ══════════════════════════════════════════════════════════════════
   THERMAL SCROLL-WARMING — driven by JS scroll position
   The --thermal-temp token is updated on scroll (0 at hero, 1 at #quote)
   The background, borders, and accents read this token for mood
   ══════════════════════════════════════════════════════════════════ */

/* ══════════════════════════════════════════════════════════════════
   MOBILE RESPONSIVE — scoped to .dq-design
   ══════════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  [data-design="a"].dq-design .a-hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-block);
  }
  [data-design="a"].dq-design .a-hero__dial-wrap {
    grid-column: 1; grid-row: auto;
    padding: var(--space-block) 0 0;
    justify-content: flex-start;
  }
  [data-design="a"].dq-design .atr-ambient-b {
    grid-template-columns: 1fr;
    gap: var(--space-block);
  }
  [data-design="a"].dq-design .a-svc-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 560px) {
  [data-design="a"].dq-design .atr-header__bar { min-height: 54px; }
  [data-design="a"].dq-design .atr-navlink { font-size: 20px; }
  [data-design="a"].dq-design .a-hero__ctas { flex-direction: column; align-items: stretch; }
  [data-design="a"].dq-design .a-emergency-cta,
  [data-design="a"].dq-design .atr-cta { width: 100%; justify-content: center; }
  [data-design="a"].dq-design .a-funnel-option { width: 100%; }
  [data-design="a"].dq-design .atr-lookup__submit { width: 100%; justify-content: center; }
}
@media (max-width: 390px) {
  [data-design="a"].dq-design .atr-logo { font-size: 16px; }
  [data-design="a"].dq-design .atr-drawer__pane { width: 100vw; }
}
@media (max-width: 320px) {
  [data-design="a"].dq-design .atr-header__bar { padding-left: 12px; padding-right: 12px; }
  [data-design="a"].dq-design .a-hero__inner { padding-left: 12px; padding-right: 12px; }
}

/* ══════════════════════════════════════════════════════════════════
   REDUCED MOTION
   ══════════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .atr-header__sweep { animation: none; background-position: 8% 0; }
  [data-design="a"] .atr-drawer__pane,
  [data-design="a"] .atr-drawer__scrim { transition: none; }
  [data-design="a"] .a-emergency-cta,
  [data-design="a"] .atr-cta { animation: none; }
  [data-design="a"] .a-emergency-cta,
  [data-design="a"] .a-emergency-cta__hair,
  [data-design="a"] .atr-cta,
  [data-design="a"] .atr-cta__hair,
  [data-design="a"] .atr-cta__arrow { transition: none; }
  [data-design="a"] .a-chip__dot,
  [data-design="a"] .atr-a__dot { animation: none; opacity: 1; }
  [data-design="a"] .atr-a__cursor { animation: none; opacity: 1; }
  [data-design="a"] .atr-a__value.is-compiled { animation: none; clip-path: none; }
  [data-design="a"] .atr-b__trace { animation: none; stroke-dasharray: none; }
  [data-design="a"] .atr-b__node--live { animation: none; }
  [data-design="a"] .a-pointer__line { animation: none; opacity: 0.6; }
  [data-design="a"] .a-pointer__wash { animation: none; opacity: 0.5; }
  [data-design="a"] .a-hero__iso { animation: none; opacity: 0.12; clip-path: none; }
  [data-design="a"] .a-spec-row { animation: none; opacity: 1; }
  [data-design="a"] .a-step { transition: none; }
}

/* 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; }