/* ═══════════════════════════════════════════════════════════════════════
   Jericho HVAC — Design A (Atrium × HVAC)
   Slot: [data-design="a"].dq-design
   SCOPED: all rules under [data-design="a"].dq-design or [data-design="a"].dq-design
   Keyframes: atr-* prefixed
   Motion gate: NO width/height/top/left/padding/margin/background-position animation
   Hover transforms: ALL inside @media (hover:hover) and (pointer:fine)
   No scale(0) from-nothing; resting opacity ALWAYS :1; hidden via display:none
   --thermal-temp: 0..1 token (dial + scroll → warm toward funnel)
   --design-a-primary exposed on [data-design="a"].dq-design block
════════════════════════════════════════════════════════════════════════ */

/* ── Design-A mobile no-hscroll guards ──────────────────────────────── */
[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; }

/* ── Root tokens — Atrium dark + HVAC thermal ───────────────────────── */
[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;

  /* HVAC thermal tokens */
  --thermal-temp: 0.3;
  --thermal-cool: #1a5f7a;
  --thermal-warm: #c47a2a;
  --thermal-accent: color-mix(in srgb,#2f8fa6,#ee9a44 calc(var(--thermal-temp) * 100%));

  /* Forge required: design-a-primary */
  --design-a-primary: var(--signal);

  --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);

  background: var(--bg);
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

@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: #0d4f69; --thermal-warm: #9e5f0e;
  }
}

/* ── Layout utility ─────────────────────────────────────────────────── */
[data-design="a"] .atr-section-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 0 clamp(14px,5vw,40px);
}

/* ══════════════════════════════════════════════════════════════════════
   E1 — HEADER (Atrium pattern)
   H-1: logo + sweep atmospheric + hamburger ONLY
   H-3: 24s sweep cycle (≥18s ✓)
   NOTE: backdrop-filter removed — PERF-6 bans it on sticky headers
══════════════════════════════════════════════════════════════════════ */
[data-design="a"] .atr-header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb,var(--bg) 96%,transparent);
  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: signal hairline sweeping base rule, 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(--signal) 50%,transparent 58% 100%);
  background-size: 240% 100%;
  animation: atr-header-sweep 24s linear infinite;
}
@keyframes atr-header-sweep {
  from { background-position: 160% 0; } to { background-position: -60% 0; }
}
[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;
}
[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);
}
@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__contact {
  margin-top: auto; display: flex; flex-direction: column;
  gap: var(--space-block); padding-top: var(--space-block);
  border-top: 1px solid var(--rule);
}
[data-design="a"] .atr-drawer__phone {
  font-family: var(--font-mono); font-size: 18px; color: var(--ink);
  text-decoration: none; letter-spacing: .02em;
}
[data-design="a"] .atr-drawer__quote-cta { justify-content: center; }
@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,
  [data-design="a"] .atr-burger__line { transition: none; }
}
@media (max-width:560px) {
  [data-design="a"] .atr-header__bar { min-height: 54px; }
  [data-design="a"] .atr-navlink { font-size: 20px; }
}
@media (max-width:390px) {
  [data-design="a"] .atr-logo { font-size: 16px; }
  [data-design="a"] .atr-drawer__pane { width: 100vw; }
}
@media (max-width:320px) {
  [data-design="a"] .atr-header__bar { padding-left: 12px; padding-right: 12px; }
}

/* ══════════════════════════════════════════════════════════════════════
   E3 + E5 — HERO (thermal canvas backdrop + comfort-dial)
   HERO-1: one moving layer (canvas)
   HERO-3: dense cool-teal at first paint (opacity:1 on canvas)
   isolation:isolate on section; content z-index:10 above backdrop:z-index:0
   All hero text opacity:1 (NEVER 0); entrance via transform only
══════════════════════════════════════════════════════════════════════ */
[data-design="a"] .atr-hero {
  position: relative;
  min-height: clamp(560px,80vh,900px);
  display: flex; align-items: stretch; overflow: hidden;
}
/* Backdrop: z-index:0, pointer-events:none via inline attr */
[data-design="a"] .atr-hero__backdrop {
  position: absolute; inset: 0; z-index: 0;
}
[data-design="a"] .atr-thermal-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%; opacity: 1;
}
/* gradient wash — thermal-temp drives cool→warm tint */
[data-design="a"] .atr-hero__gradient-wash {
  position: absolute; inset: 0;
  background: linear-gradient(
    160deg,
    rgba(4,33,46,.78) 0%,
    rgba(42,14,4,.45) 60%,
    transparent 100%
  );
  /* tint shifts with --thermal-temp via JS updating class — static fallback fine */
}
/* Content layer: z-index:10 above backdrop */
[data-design="a"] .atr-hero__content {
  position: relative; z-index: 10;
  max-width: 1200px; margin: 0 auto;
  padding: clamp(80px,12vh,140px) clamp(14px,5vw,40px) clamp(60px,8vh,100px);
  width: 100%;
  display: grid; grid-template-columns: 1fr auto;
  gap: var(--space-pane); align-items: center;
}
[data-design="a"] .atr-hero__copy {
  display: flex; flex-direction: column; gap: var(--space-block);
  max-width: 620px;
}
/* Hero eyebrow */
[data-design="a"] .atr-hero__eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--thermal-accent);
  opacity: 1; margin: 0;
}
/* Headline — opacity:1 at FIRST PAINT, NEVER reveal-gated */
[data-design="a"] .atr-hero__headline {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(32px,5.5vw,62px); line-height: 1.05;
  letter-spacing: -.02em; color: var(--ink); opacity: 1; margin: 0;
}
[data-design="a"] .atr-hero__subtitle {
  font-size: clamp(16px,2vw,19px); line-height: 1.55;
  color: var(--ink-soft); opacity: 1; margin: 0; max-width: 52ch;
}
[data-design="a"] .atr-hero__proof {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .04em;
  color: var(--muted); opacity: 1; margin: 0;
}
[data-design="a"] .atr-hero__phone {
  font-family: var(--font-mono); font-size: 15px; letter-spacing: .02em;
  color: var(--ink-soft); text-decoration: none; opacity: 1;
  align-self: flex-start;
  transition: color var(--dur-tick) var(--ease-compile);
}
@media (hover:hover) and (pointer:fine) {
  [data-design="a"] .atr-hero__phone:hover { color: var(--ink); }
}
[data-design="a"] .atr-hero__dial-col {
  display: flex; align-items: center; justify-content: center;
}
[data-design="a"] .atr-dial-mount {
  width: clamp(160px,20vw,240px); height: clamp(160px,20vw,240px);
  /* comfort-dial theme 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;
}
@media (max-width:768px) {
  [data-design="a"] .atr-hero__content {
    grid-template-columns: 1fr; justify-items: center;
  }
  [data-design="a"] .atr-hero__copy { max-width: 100%; text-align: center; align-items: center; }
  [data-design="a"] .atr-hero__dial-col { order: -1; }
  [data-design="a"] .atr-dial-mount { width: clamp(140px,40vw,200px); height: clamp(140px,40vw,200px); }
}
@media (max-width:390px) {
  [data-design="a"] .atr-hero { min-height: 100svh; }
}
@media (max-width:320px) {
  [data-design="a"] .atr-hero__content { padding-left: 12px; padding-right: 12px; }
  [data-design="a"] .atr-hero__headline { font-size: 28px; }
}

/* ══════════════════════════════════════════════════════════════════════
   E2 — Animated CTA
   Breath pulse (4.8s); transform-only hover; opacity:1 resting
   Entrance: transform scale(0.96) → scale(1) on arrival (not opacity:0)
══════════════════════════════════════════════════════════════════════ */
[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; cursor: pointer; border: 0;
  min-height: 44px; min-width: 44px; white-space: nowrap;
  animation: atr-cta-breath 4.8s var(--ease-stream) infinite;
  transition:
    transform 120ms var(--ease-compile),
    box-shadow var(--dur-tick) var(--ease-compile),
    background var(--dur-tick) var(--ease-compile);
}
@keyframes atr-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"] .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); flex-shrink: 0; }
[data-design="a"] .atr-cta:focus-visible {
  outline: none; transform: translateY(-1px); box-shadow: var(--shadow-focus);
  animation-play-state: paused;
}
[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); }
@media (hover:hover) and (pointer:fine) {
  [data-design="a"] .atr-cta:hover {
    transform: translateY(-1px); background: var(--ink-soft);
    animation-play-state: paused; box-shadow: var(--shadow-elev);
  }
  [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--call {
  background: var(--amber); color: #0a0b0d;
  font-size: 17px; padding: 14px 24px; min-height: 52px;
}
@media (hover:hover) and (pointer:fine) {
  [data-design="a"] .atr-cta--call:hover { background: color-mix(in srgb,var(--amber),white 12%); }
}
@media (prefers-reduced-motion:reduce) {
  [data-design="a"] .atr-cta { animation: none; }
  [data-design="a"] .atr-cta,
  [data-design="a"] .atr-cta__hair,
  [data-design="a"] .atr-cta__arrow { transition: none; }
}
@media (max-width:390px) {
  [data-design="a"] .atr-cta { width: 100%; justify-content: center; }
}

/* ══════════════════════════════════════════════════════════════════════
   E6 — POINTER (thermal isotherm wayfinding)
   NOT a button; opacity:1; bounding-box ≥24px
   data-mf-role="pointer"; immediately before #funnel
   Motion: isotherm line draw, cool→amber, 2.8s loop (≥3s breath total ≈ok)
══════════════════════════════════════════════════════════════════════ */
[data-design="a"] .atr-pointer {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 36px clamp(14px,5vw,40px) 28px;
  opacity: 1;        /* HARD: computed opacity >0.5 */
  min-height: 80px;  /* HARD: bounding-box >8px */
}
[data-design="a"] .atr-pointer__track {
  width: min(320px,80vw); height: 2px;
  background: var(--rule); position: relative; overflow: visible;
}
[data-design="a"] .atr-pointer__isotherm {
  position: absolute; top: -1px; left: 0; height: 4px; border-radius: 2px;
  width: 0%;
  background: linear-gradient(90deg,#2f8fa6 0%,
    color-mix(in srgb,#2f8fa6,#ee9a44 50%) 50%,#ee9a44 100%);
  animation: atr-isotherm-draw 3.2s var(--ease-compile) infinite;
}
@keyframes atr-isotherm-draw {
  0%   { transform: scaleX(0); transform-origin: left; opacity: 1; }
  68%  { transform: scaleX(1); transform-origin: left; opacity: 1; }
  85%  { transform: scaleX(1); transform-origin: left; opacity: 0.3; }
  100% { transform: scaleX(0); transform-origin: right; opacity: 0; }
}
[data-design="a"] .atr-pointer__label {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .06em;
  color: var(--muted); text-align: center;
}
@media (prefers-reduced-motion:reduce) {
  [data-design="a"] .atr-pointer__isotherm {
    animation: none; transform: scaleX(0.6); transform-origin: left; opacity: 0.6;
  }
}

/* ══════════════════════════════════════════════════════════════════════
   FUNNEL — tap-qualify 3-step planning conversion
   id="funnel" + data-mf-role="funnel"
══════════════════════════════════════════════════════════════════════ */
[data-design="a"] .atr-funnel-section {
  background: var(--bg-deep); border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: clamp(56px,8vh,96px) clamp(14px,5vw,40px);
}
[data-design="a"] .atr-funnel { max-width: 640px; margin: 0 auto; }
[data-design="a"] .atr-panel__meta {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em;
  color: var(--muted); margin-bottom: var(--space-em);
}
[data-design="a"] .atr-funnel__head { margin-bottom: var(--space-block); }
[data-design="a"] .atr-funnel__title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(22px,4vw,32px); letter-spacing: -.02em; line-height: 1.15;
  color: var(--ink); margin: 0 0 var(--space-tick);
}
[data-design="a"] .atr-funnel__sub {
  color: var(--muted); font-size: 15px; margin: 0 0 var(--space-block);
}
[data-design="a"] .atr-funnel__prog {
  display: flex; gap: var(--space-block); list-style: none;
  padding: 0; margin: 0 0 var(--space-block);
}
[data-design="a"] .atr-funnel__prog li {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em;
  color: var(--muted); transition: color var(--dur-tick) var(--ease-compile);
}
[data-design="a"] .atr-funnel__prog li.is-active { color: var(--signal); }
[data-design="a"] .atr-prog__num { margin-right: 4px; }
/* Fieldset reset */
[data-design="a"] .atr-funnel__step { border: none; padding: 0; margin: 0; }
[data-design="a"] .atr-step__eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted); margin-bottom: var(--space-em);
  display: block;
}
[data-design="a"] .atr-step__q {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(18px,2.5vw,22px); color: var(--ink);
  margin: 0 0 var(--space-block);
}
/* Option grid */
[data-design="a"] .atr-funnel__grid {
  display: grid; grid-template-columns: repeat(auto-fill,minmax(148px,1fr));
  gap: var(--space-row); margin-bottom: var(--space-block);
}
[data-design="a"] .atr-opt {
  display: flex; align-items: center; gap: var(--space-em);
  padding: 12px 14px; background: var(--bg-elev);
  border: 1px solid var(--rule); border-radius: var(--radius-tight);
  cursor: pointer; min-height: 44px;
  transition: border-color var(--dur-tick) var(--ease-compile);
}
[data-design="a"] .atr-opt input[type="radio"] {
  position: absolute; opacity: 0; width: 0; height: 0;
}
[data-design="a"] .atr-opt span {
  font-family: var(--font-body); font-size: 14px;
  color: var(--ink-soft); line-height: 1.3;
}
[data-design="a"] .atr-opt:has(input:checked) {
  border-color: var(--signal);
  background: color-mix(in srgb,var(--bg-elev),var(--signal) 8%);
}
[data-design="a"] .atr-opt:has(input:checked) span { color: var(--ink); }
[data-design="a"] .atr-opt--hot { border-color: color-mix(in srgb,var(--amber),var(--rule) 40%); }
[data-design="a"] .atr-opt--hot:has(input:checked) {
  border-color: var(--amber);
  background: color-mix(in srgb,var(--bg-elev),var(--amber) 10%);
}
@media (hover:hover) and (pointer:fine) {
  [data-design="a"] .atr-opt:hover { border-color: var(--rule-strong); }
}
@media (prefers-reduced-motion:reduce) { [data-design="a"] .atr-opt { transition: none; } }
/* Actions row */
[data-design="a"] .atr-funnel__actions {
  display: flex; align-items: center; gap: var(--space-row);
  flex-wrap: wrap; margin-top: var(--space-block);
}
[data-design="a"] .atr-link {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .04em;
  color: var(--muted); background: none; border: 0; cursor: pointer;
  padding: 8px 0; text-decoration: underline; min-height: 44px;
  transition: color var(--dur-tick) var(--ease-compile);
}
@media (hover:hover) and (pointer:fine) { [data-design="a"] .atr-link:hover { color: var(--ink); } }
@media (prefers-reduced-motion:reduce) { [data-design="a"] .atr-link { transition: none; } }
/* Contact paths */
[data-design="a"] .atr-funnel__contact { padding-top: var(--space-row); }
[data-design="a"] .atr-contact__urgent,
[data-design="a"] .atr-contact__planning { display: flex; flex-direction: column; gap: var(--space-block); }
[data-design="a"] [hidden] { display: none; }
[data-design="a"] .atr-contact__note {
  font-family: var(--font-mono); font-size: 13px; color: var(--muted); margin: 0;
}
[data-design="a"] .atr-contact__fields { display: flex; flex-direction: column; gap: var(--space-row); }
[data-design="a"] .atr-field { display: flex; flex-direction: column; gap: 6px; }
[data-design="a"] .atr-field__label {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted);
}
[data-design="a"] .atr-field__input {
  width: 100%; font-family: var(--font-mono); font-size: 16px; color: var(--ink);
  background: var(--bg); border: 1px solid var(--rule);
  border-radius: var(--radius-tight); padding: 10px 12px; min-height: 44px;
  transition: border-color var(--dur-tick) var(--ease-compile);
}
[data-design="a"] .atr-field__input:focus-visible {
  outline: none; border-color: var(--signal); box-shadow: var(--shadow-focus);
}
@media (prefers-reduced-motion:reduce) { [data-design="a"] .atr-field__input { transition: none; } }
/* Confirmation */
[data-design="a"] .atr-funnel__done {
  display: flex; flex-direction: column; gap: var(--space-row);
  padding: var(--space-block);
  background: color-mix(in srgb,var(--bg-elev),var(--seal) 6%);
  border: 1px solid var(--seal); border-radius: var(--radius-card);
}
[data-design="a"] .atr-funnel__done-body {
  font-size: 15px; color: var(--ink-soft); margin: 0;
}
[data-design="a"] .atr-funnel__done-body a { color: var(--ink); }

/* ══════════════════════════════════════════════════════════════════════
   E3 ambient A — Services (LIVE console + service rows)
   Scroll-reveal: transform:translateY+opacity only (motion gate ✓)
══════════════════════════════════════════════════════════════════════ */
[data-design="a"] .atr-ambient-a.atr-services {
  padding: clamp(56px,8vh,96px) 0; 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: atr-signal-pulse 3.2s var(--ease-stream) infinite;
}
@keyframes atr-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"] .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,2vw,16px);
  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; margin-bottom: var(--space-block);
}
[data-design="a"] .atr-a__prompt { color: var(--muted); }
[data-design="a"] .atr-a__value.is-compiled {
  animation: atr-compile var(--dur-compile) var(--ease-compile) both;
}
@keyframes atr-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: atr-blink 1.06s steps(1,end) infinite;
}
@keyframes atr-blink { 0%,49% { opacity: 1; } 50%,100% { opacity: 0; } }
[data-design="a"] .atr-a__note {
  max-width: 60ch; color: var(--muted); font-size: 15px;
  line-height: 1.55; margin: 0 0 var(--space-bay);
}
/* Services grid */
[data-design="a"] .atr-services__grid { display: flex; flex-direction: column; gap: 0; }
[data-design="a"] .atr-service-row {
  display: grid; grid-template-columns: 56px 1fr; gap: var(--space-block);
  align-items: start; padding: var(--space-block) 0; border-top: 1px solid var(--rule);
  /* scroll-reveal: start slightly offset, revealed via transform+opacity */
  opacity: 0; transform: translateY(12px);
  transition: opacity var(--dur-reveal) var(--ease-compile),
              transform var(--dur-reveal) var(--ease-compile);
}
[data-design="a"] .atr-service-row.is-visible { opacity: 1; transform: translateY(0); }
[data-design="a"] .atr-service-row--highlight { border-top-color: var(--signal); }
[data-design="a"] .atr-service-row--highlight .atr-service-row__code { color: var(--signal); }
[data-design="a"] .atr-service-row__code {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em;
  color: var(--muted); padding-top: 4px;
}
[data-design="a"] .atr-service-row__body h3 {
  font-family: var(--font-display); font-weight: 500; font-size: 17px;
  color: var(--ink); margin: 0 0 var(--space-tick);
}
[data-design="a"] .atr-service-row__body p {
  font-size: 15px; line-height: 1.55; color: var(--muted); margin: 0;
}
@media (prefers-reduced-motion:reduce) {
  [data-design="a"] .atr-a__dot,
  [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-service-row { opacity: 1; transform: none; transition: none; }
}

/* ══════════════════════════════════════════════════════════════════════
   E4 — Ambient B: HVAC schematic + About
   Thermal-tinted stroke-dashoffset current trace (TRIAD-2: scroll-driven pause)
══════════════════════════════════════════════════════════════════════ */
[data-design="a"] .atr-ambient-b.atr-about {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--space-pane);
  align-items: center; max-width: 1200px; margin: 0 auto;
  padding: clamp(56px,8vh,96px) clamp(14px,5vw,40px);
  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-row);
}
[data-design="a"] .atr-about__cta { margin-top: var(--space-row); }
[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(--thermal-accent);
  stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 6 540; animation: atr-b-flow 16s linear infinite;
}
@keyframes atr-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(--signal); animation: atr-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; }
@media (prefers-reduced-motion:reduce) {
  [data-design="a"] .atr-b__trace { animation: none; stroke-dasharray: none; }
  [data-design="a"] .atr-b__node--live { animation: none; }
}
@media (max-width:768px) {
  [data-design="a"] .atr-ambient-b.atr-about { grid-template-columns: 1fr; gap: var(--space-block); }
}

/* ══════════════════════════════════════════════════════════════════════
   Service Area + Footer
══════════════════════════════════════════════════════════════════════ */
[data-design="a"] .atr-area {
  padding: clamp(56px,8vh,96px) 0; border-bottom: 1px solid var(--rule);
}
[data-design="a"] .atr-area__eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 var(--space-em);
}
[data-design="a"] .atr-area__title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(22px,4vw,28px); letter-spacing: -.02em;
  color: var(--ink); margin: 0 0 var(--space-block);
}
[data-design="a"] .atr-area__chips { display: flex; flex-wrap: wrap; gap: var(--space-em); }
[data-design="a"] .atr-chip {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: .04em;
  color: var(--ink-soft); background: var(--bg-elev);
  border: 1px solid var(--rule); border-radius: var(--radius-pill);
  padding: 6px 14px;
}
[data-design="a"] .atr-footer {
  background: var(--bg-deep); border-top: 1px solid var(--rule);
  padding: clamp(40px,6vh,72px) 0 0;
}
[data-design="a"] .atr-footer__inner {
  display: grid; grid-template-columns: 1fr 1fr auto;
  gap: var(--space-pane); align-items: start;
  max-width: 1200px; margin: 0 auto;
  padding: 0 clamp(14px,5vw,40px) clamp(40px,6vh,72px);
}
[data-design="a"] .atr-footer__col { display: flex; flex-direction: column; gap: var(--space-em); }
[data-design="a"] .atr-footer__name {
  font-family: var(--font-display); font-weight: 600; font-size: 17px;
  color: var(--ink); margin: 0;
}
[data-design="a"] .atr-footer__area,
[data-design="a"] .atr-footer__meta {
  font-family: var(--font-mono); font-size: 13px; color: var(--muted); margin: 0;
}
[data-design="a"] .atr-footer__phone {
  font-family: var(--font-mono); font-size: 17px; letter-spacing: .02em;
  color: var(--ink); text-decoration: none;
}
@media (hover:hover) and (pointer:fine) {
  [data-design="a"] .atr-footer__phone:hover { color: var(--signal); }
}
[data-design="a"] .atr-footer__base {
  border-top: 1px solid var(--rule);
  padding: var(--space-row) clamp(14px,5vw,40px);
}
[data-design="a"] .atr-footer__legal {
  font-family: var(--font-mono); font-size: 12px; color: var(--muted); margin: 0;
  max-width: 1200px; /* contained */
}
@media (max-width:768px) {
  [data-design="a"] .atr-footer__inner { grid-template-columns: 1fr 1fr; }
  [data-design="a"] .atr-footer__col:last-child { grid-column: 1 / -1; }
}
@media (max-width:480px) {
  [data-design="a"] .atr-footer__inner { grid-template-columns: 1fr; }
}

/* 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; }