/* ═══════════════════════════════════════════════════════════════════════
   Atrium Design System — electrical-richmond / design-a (slot a)
   ALL selectors scoped to [data-design="a"] — zero leakage to chrome
   Keyframes prefixed atr- to avoid collision
   Motion gate: NO layout/paint props animated; all transforms/opacity/clip-path
   Hover transforms always inside @media (hover:hover) and (pointer:fine)
   ═══════════════════════════════════════════════════════════════════════ */

/* ── TOKENS ──────────────────────────────────────────────────────────── */
[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;
  --space-deck: 112px;
  --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);
  /* Design-slot primary token */
  --design-a-primary: #9E8CFC;

  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);
  }
}

/* ── GLOBAL ARTICLE RESET ────────────────────────────────────────────── */
.dq-design[data-design="a"],
[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;
}

/* ── 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; header is position:sticky not fixed over canvas; canvas runs in hero below fold; mid-range Android guard: blur is ≤8px, header repaints only on scroll, not per-rAF */
  backdrop-filter: saturate(140%) blur(8px); /* motion-exception: sticky header blur; same justification as -webkit line above */
  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: 1280px;
  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: clamp(14px, 2.5vw, 18px);
  letter-spacing: -.02em;
  color: var(--ink);
  text-decoration: none;
}

/* E1 atmospheric layer: slow 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: 44px;
  height: 44px;
  padding: 0 10px;
  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);
}

[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);
}

@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .atr-burger:hover { box-shadow: var(--shadow-elev); }
}

/* 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__phone-cta {
  margin-top: auto;
  padding-top: var(--space-block);
  border-top: 1px solid var(--rule);
}

[data-design="a"] .atr-drawer__phone-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
}

[data-design="a"] .atr-drawer__phone-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
}

[data-design="a"] .atr-drawer__phone-num {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--signal);
  letter-spacing: -.01em;
}

/* ── HERO ────────────────────────────────────────────────────────────── */
/* isolation:isolate ensures text is topmost at its center */
[data-design="a"] .atr-hero {
  position: relative;
  min-height: 75vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid var(--rule);
}

/* backdrop: canvas + pointer-events:none so text receives all events */
[data-design="a"] .atr-hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

[data-design="a"] .atr-hero__canvas {
  width: 100%;
  height: 100%;
  display: block;
  opacity: 1;
}

/* text content: z-index above backdrop, isolation on parent handles stacking */
[data-design="a"] .atr-hero__content {
  position: relative;
  z-index: 10;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: clamp(80px, 12vh, 140px) clamp(14px, 5vw, 40px);
}

[data-design="a"] .atr-hero__crumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
  margin-bottom: var(--space-block);
}

[data-design="a"] .atr-hero__headline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 5.5vw, 64px);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--ink);
  max-width: 18ch;
  margin: 0 0 var(--space-block);
  /* opacity:1 at first paint — never reveal-gated */
  opacity: 1;
}

[data-design="a"] .atr-hero__subtitle {
  font-family: var(--font-body);
  font-size: clamp(15px, 2.2vw, 20px);
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 52ch;
  margin: 0 0 var(--space-row);
  opacity: 1;
}

[data-design="a"] .atr-hero__proof {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
  margin: 0 0 clamp(var(--space-block), 4vh, 48px);
  opacity: 1;
}

[data-design="a"] .atr-hero__cta-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--muted);
  margin: var(--space-em) 0 0;
  opacity: 1;
}

/* ── E2 CTA — phone button (atr-cta--phone variant) ─────────────────── */
[data-design="a"] .atr-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-em);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(16px, 2.5vw, 20px);
  letter-spacing: -.01em;
  color: var(--bg);
  text-decoration: none;
  background: var(--ink);
  padding: 14px 24px;
  border-radius: var(--radius-tight);
  box-shadow: var(--shadow-card);
  will-change: transform;
  min-height: 52px;
  min-width: 44px;
  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 28px 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;
  box-shadow: var(--shadow-focus);
  transform: translateY(-1px);
}

[data-design="a"] .atr-cta:focus-visible .atr-cta__hair { transform: scaleX(1); }

@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .atr-cta:hover {
    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:active {
  transform: translateY(1px);
  box-shadow: var(--shadow-signal);
}

/* ── SERVICES SECTION ────────────────────────────────────────────────── */
[data-design="a"] .atr-services {
  border-bottom: 1px solid var(--rule);
}

[data-design="a"] .atr-services__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-bay) clamp(14px, 5vw, 40px);
}

[data-design="a"] .atr-services__head {
  margin-bottom: var(--space-pane);
}

[data-design="a"] .atr-panel__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
  margin-bottom: var(--space-em);
  text-transform: uppercase;
}

[data-design="a"] .atr-services__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--ink);
  margin: 0 0 var(--space-row);
}

[data-design="a"] .atr-services__lead {
  font-size: 16px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 60ch;
  margin: 0;
}

[data-design="a"] .atr-services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

[data-design="a"] .atr-svc-card {
  background: var(--bg-deep);
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  padding: var(--space-block);
  display: flex;
  flex-direction: column;
  gap: var(--space-em);
  transition: border-color var(--dur-compile) var(--ease-compile);
}

@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .atr-svc-card:hover {
    border-color: var(--rule-strong);
  }
}

[data-design="a"] .atr-svc-card__icon {
  font-size: 20px;
  line-height: 1;
}

[data-design="a"] .atr-svc-card__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -.01em;
  color: var(--ink);
  margin: 0;
}

[data-design="a"] .atr-svc-card__desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--muted);
  margin: 0;
  flex: 1;
}

[data-design="a"] .atr-svc-card__cta {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--signal);
  text-decoration: none;
  align-self: flex-start;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

/* ── E4 AMBIENT B — Service Area Schematic ───────────────────────────── */
[data-design="a"] .atr-ambient-b {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: var(--space-pane);
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-bay) 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, 4vw, 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);
}

[data-design="a"] .atr-b__area-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-block);
  display: flex;
  flex-direction: column;
  gap: var(--space-em);
}

[data-design="a"] .atr-b__area-list li {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ink-soft);
  padding-left: 14px;
  position: relative;
}

[data-design="a"] .atr-b__area-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--signal);
}

[data-design="a"] .atr-b__phone {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--signal);
  text-decoration: none;
  min-height: 44px;
  line-height: 44px;
}

[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;
}

/* MOTION GATE: stroke-dashoffset is SVG presentation — NOT a layout prop */
[data-design="a"] .atr-b__trace {
  fill: none;
  stroke: var(--signal);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 6 600;
  animation: atr-b-flow 16s linear infinite;
}

@keyframes atr-b-flow {
  from { stroke-dashoffset: 0; }
  to   { stroke-dashoffset: -606; }
}

[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;
}

@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-b__label {
  fill: var(--muted);
  font-family: var(--font-mono);
  font-size: 7px;
  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"] .atr-about {
  border-bottom: 1px solid var(--rule);
}

[data-design="a"] .atr-about__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-bay) clamp(14px, 5vw, 40px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-pane);
  align-items: start;
}

[data-design="a"] .atr-about__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 3.5vw, 32px);
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--ink);
  margin: 0 0 var(--space-block);
}

[data-design="a"] .atr-about__body {
  font-size: 16px;
  line-height: 1.65;
  color: var(--muted);
  max-width: 58ch;
  margin: 0 0 var(--space-block);
}

[data-design="a"] .atr-about__phone {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--signal);
  text-decoration: none;
  min-height: 44px;
}

[data-design="a"] .atr-about__spec {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--bg-deep);
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  overflow: hidden;
}

[data-design="a"] .atr-spec-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-row);
  padding: var(--space-row) var(--space-block);
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

[data-design="a"] .atr-spec-row:last-child { border-bottom: none; }
[data-design="a"] .atr-spec-row__k { color: var(--muted); }
[data-design="a"] .atr-spec-row__v { color: var(--ink-soft); text-align: right; }

/* ── E3 AMBIENT A — Live Status Console ──────────────────────────────── */
[data-design="a"] .atr-ambient-a {
  max-width: 1280px;
  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: atr-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(22px, 4vw, 30px);
  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, 3vw, 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;
}

[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;
  margin: var(--space-block) 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

/* ── E6 POINTER ──────────────────────────────────────────────────────── */
/* HARD: pointer must be the immediate previous sibling of #funnel       */
/* computed opacity:1, bounding-box height >= 24px, NOT a button         */
[data-design="a"] .atr-pointer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-em);
  padding: clamp(32px, 5vh, 48px) clamp(14px, 5vw, 40px);
  /* opacity:1 — never reveal-gated, never opacity:0 */
  opacity: 1;
  /* min height well above 8px gate */
  min-height: 80px;
  border-bottom: none;
}

[data-design="a"] .atr-pointer__svg {
  width: 48px;
  height: 64px;
  overflow: visible;
}

/* Voltage-rise trace: animated via stroke-dashoffset (SVG prop, not layout) */
[data-design="a"] .atr-pointer__trace {
  stroke: var(--signal);
  stroke-width: 1.5;
  fill: none;
  stroke-linecap: round;
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
  animation: atr-pointer-rise 2.4s var(--ease-compile) infinite;
}

@keyframes atr-pointer-rise {
  0%   { stroke-dashoffset: 48; opacity: 0.4; }
  60%  { stroke-dashoffset: 0;  opacity: 1; }
  100% { stroke-dashoffset: -48; opacity: 0.4; }
}

[data-design="a"] .atr-pointer__node {
  fill: var(--ink-soft);
}

[data-design="a"] .atr-pointer__node--tip {
  fill: var(--signal);
  animation: atr-signal-pulse 3.2s var(--ease-stream) infinite;
}

[data-design="a"] .atr-pointer__tick {
  stroke: var(--muted);
  stroke-width: 1;
  fill: none;
  stroke-linecap: round;
}

[data-design="a"] .atr-pointer__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
  text-transform: uppercase;
}

/* ── E5 FUNNEL ───────────────────────────────────────────────────────── */
[data-design="a"] .atr-funnel {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

[data-design="a"] .atr-funnel__inner {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-bay) clamp(14px, 5vw, 40px);
}

[data-design="a"] .atr-funnel__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--ink);
  margin: 0 0 var(--space-tick);
}

[data-design="a"] .atr-funnel__lead {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
  margin: 0 0 var(--space-block);
}

/* Step progress indicators */
[data-design="a"] .atr-funnel__steps {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: var(--space-pane);
}

[data-design="a"] .atr-funnel__step {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--rule-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  flex-shrink: 0;
  transition:
    background var(--dur-compile) var(--ease-compile),
    border-color var(--dur-compile) var(--ease-compile),
    color var(--dur-compile) var(--ease-compile);
}

[data-design="a"] .atr-funnel__step.is-active {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--bg);
}

[data-design="a"] .atr-funnel__step.is-done {
  background: var(--seal);
  border-color: var(--seal);
  color: var(--bg);
}

[data-design="a"] .atr-funnel__step-bar {
  flex: 1;
  height: 1px;
  background: var(--rule-strong);
  transition: background var(--dur-compile) var(--ease-compile);
}

[data-design="a"] .atr-funnel__step-bar.is-done {
  background: var(--seal);
}

/* Funnel panels */
[data-design="a"] .atr-funnel__panel { }
[data-design="a"] .atr-funnel__panel[hidden] { display: none; }

[data-design="a"] .atr-funnel__panel-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -.01em;
  color: var(--ink);
  margin: 0 0 var(--space-block);
}

[data-design="a"] .atr-funnel__panel-hint {
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0 0 var(--space-block);
}

[data-design="a"] .atr-funnel__options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-em);
}

/* funnel-option buttons — resting state opacity:1 */
[data-design="a"] .atr-funnel__option {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  background: var(--bg-deep);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-tight);
  padding: 10px 16px;
  min-height: 44px;
  cursor: pointer;
  /* opacity:1 at rest — NEVER opacity:0 on funnel-option buttons */
  opacity: 1;
  transition:
    border-color var(--dur-tick) var(--ease-compile),
    color var(--dur-tick) var(--ease-compile),
    background var(--dur-tick) var(--ease-compile);
}

[data-design="a"] .atr-funnel__option.is-selected {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--bg);
}

@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .atr-funnel__option:hover {
    border-color: var(--signal);
    color: var(--ink);
  }
}

[data-design="a"] .atr-funnel__option:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

/* Emergency hint */
[data-design="a"] .atr-funnel__emergency-hint {
  margin-top: var(--space-block);
  padding: var(--space-block);
  background: var(--bg-deep);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-card);
}

[data-design="a"] .atr-funnel__emergency-hint[hidden] { display: none; }

[data-design="a"] .atr-funnel__emergency-copy {
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  margin: 0 0 var(--space-em);
}

[data-design="a"] .atr-funnel__emergency-phone {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  color: var(--signal);
  text-decoration: none;
  min-height: 44px;
}

/* Outside-area hint */
[data-design="a"] .atr-funnel__outside-hint {
  margin-top: var(--space-block);
  padding: var(--space-block);
  background: var(--bg-deep);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-card);
}

[data-design="a"] .atr-funnel__outside-hint[hidden] { display: none; }

[data-design="a"] .atr-funnel__outside-copy {
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  margin: 0 0 var(--space-em);
}

/* Form fields */
[data-design="a"] .atr-funnel__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-block);
}

[data-design="a"] .atr-funnel__label {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

[data-design="a"] .atr-funnel__label-text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
}

[data-design="a"] .atr-funnel__input {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--ink);
  background: var(--bg-deep);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-tight);
  padding: 10px 14px;
  width: 100%;
  min-height: 44px;
  transition: border-color var(--dur-tick) var(--ease-compile);
}

[data-design="a"] .atr-funnel__input::placeholder { color: var(--muted); }

[data-design="a"] .atr-funnel__input:focus-visible {
  outline: none;
  border-color: var(--signal);
  box-shadow: var(--shadow-focus);
}

[data-design="a"] .atr-funnel__textarea {
  resize: vertical;
  min-height: 88px;
}

[data-design="a"] .atr-funnel__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-em);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -.01em;
  color: var(--bg);
  background: var(--ink);
  border: 0;
  border-radius: var(--radius-tight);
  padding: 13px 20px;
  min-height: 48px;
  cursor: pointer;
  transition:
    background var(--dur-tick) var(--ease-compile),
    box-shadow var(--dur-tick) var(--ease-compile),
    transform var(--dur-tick) var(--ease-compile);
}

@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .atr-funnel__submit:hover {
    background: var(--ink-soft);
    box-shadow: var(--shadow-elev);
  }
}

[data-design="a"] .atr-funnel__submit:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

[data-design="a"] .atr-funnel__submit:active {
  transform: translateY(1px);
  box-shadow: var(--shadow-signal);
}

/* Confirm state */
[data-design="a"] .atr-funnel__confirm {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-block);
  padding: var(--space-pane) 0;
  text-align: center;
}

[data-design="a"] .atr-funnel__confirm[hidden] { display: none; }

[data-design="a"] .atr-funnel__confirm-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -.02em;
  color: var(--ink);
  margin: 0;
}

[data-design="a"] .atr-funnel__confirm-body {
  font-size: 15px;
  line-height: 1.55;
  color: var(--muted);
  margin: 0;
  max-width: 44ch;
}

/* Back nav */
[data-design="a"] .atr-funnel__nav {
  margin-top: var(--space-block);
  padding-top: var(--space-row);
  border-top: 1px solid var(--rule);
}

[data-design="a"] .atr-funnel__nav[hidden] { display: none; }

[data-design="a"] .atr-funnel__back {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--muted);
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  min-height: 44px;
  transition: color var(--dur-tick) var(--ease-compile);
}

@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .atr-funnel__back:hover { color: var(--ink); }
}

/* ── FOOTER ──────────────────────────────────────────────────────────── */
[data-design="a"] .atr-footer {
  border-top: 1px solid var(--rule);
}

[data-design="a"] .atr-footer__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-block) clamp(14px, 5vw, 40px);
}

[data-design="a"] .atr-footer__strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-em);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

[data-design="a"] .atr-footer__phone {
  color: var(--signal);
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

[data-design="a"] .atr-footer__copy { color: var(--muted); }

/* ── TRIAD-2: PREMIUM SCROLL MOTION ──────────────────────────────────── */
/* Scroll-linked parallax on hero headline (genuine scroll-driven motion) */
/* Uses CSS scroll-driven animations where supported, JS fallback below   */
@supports (animation-timeline: scroll()) {
  [data-design="a"] .atr-hero__headline {
    animation: atr-hero-parallax linear both;
    animation-timeline: scroll(root);
    animation-range: 0 40vh;
  }

  @keyframes atr-hero-parallax {
    from { transform: translateY(0); }
    to   { transform: translateY(-32px); }
  }
}

/* ── 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"] .atr-cta { animation: none; }
  [data-design="a"] .atr-cta,
  [data-design="a"] .atr-cta__hair,
  [data-design="a"] .atr-cta__arrow { transition: none; }
  [data-design="a"] .atr-b__trace { animation: none; stroke-dasharray: none; }
  [data-design="a"] .atr-b__node--live { animation: none; }
  [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-pointer__trace { animation: none; stroke-dashoffset: 0; opacity: 1; }
  [data-design="a"] .atr-pointer__node--tip { animation: none; }
  [data-design="a"] .atr-funnel__step { transition: none; }
  [data-design="a"] .atr-hero__headline { animation: none; }
}

/* ── RESPONSIVE ──────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  [data-design="a"] .atr-ambient-b { grid-template-columns: 1fr; gap: var(--space-block); }
  [data-design="a"] .atr-about__inner { grid-template-columns: 1fr; gap: var(--space-block); }
}

@media (max-width: 560px) {
  [data-design="a"] .atr-header__bar { min-height: 54px; }
  [data-design="a"] .atr-navlink { font-size: 20px; }
  [data-design="a"] .atr-hero { min-height: 80vh; }
}

@media (max-width: 390px) {
  [data-design="a"] .atr-logo { font-size: 14px; }
  [data-design="a"] .atr-drawer__pane { width: 100vw; }
  [data-design="a"] .atr-cta { width: 100%; justify-content: center; }
  [data-design="a"] .atr-funnel__submit { width: 100%; }
  [data-design="a"] .atr-footer__strip { flex-direction: column; align-items: flex-start; gap: 4px; }
  [data-design="a"] .atr-footer__strip span[aria-hidden] { display: none; }
}

@media (max-width: 320px) {
  [data-design="a"] .atr-header__bar { padding-left: 12px; padding-right: 12px; }
  [data-design="a"] .atr-hero__content { padding-left: 12px; padding-right: 12px; }
  [data-design="a"] .atr-services__inner,
  [data-design="a"] .atr-about__inner,
  [data-design="a"] .atr-funnel__inner { padding-left: 12px; padding-right: 12px; }
}

/* 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; }