/* ═══════════════════════════════════════════════════════════
   Standpipe × Twin Cities Plumbing — Design A
   Slot-scoped: [data-design="a"].dq-design
   All selectors under .dq-design to prevent chrome-kit leakage
   ═══════════════════════════════════════════════════════════ */

/* ─── Token root ─── */
[data-design="a"] {
  --slate-a:        #E5E7E8;
  --slate-deep-a:   #D2D5D7;
  --ink-a:          #0C1015;
  --ink-soft-a:     #393E48;
  --muted-a:        #6E747E;
  --rule-a:         #1F232B;
  --brass-a:        #A8842A;
  --copper-a:       #9F4F2A;
  --gauge-green-a:  #1F7A4A;
  --gauge-amber-a:  #C28A1F;
  --gauge-red-a:    #B5251A;
  --blueprint-a:    #1B4C7A;

  --design-a-primary: var(--brass-a);

  --font-display-a: "DIN 1451","DIN Next Stencil","Bebas Neue",sans-serif;
  --font-body-a:    "IBM Plex Sans","Söhne",system-ui,sans-serif;
  --font-data-a:    "IBM Plex Mono","JetBrains Mono","Söhne Mono",monospace;

  --space-em-a:       8px;
  --space-fitting-a: 16px;
  --space-segment-a: 24px;
  --space-run-a:     48px;
  --space-riser-a:   80px;

  --radius-pin-a:   2px;
  --radius-bezel-a: 4px;

  --dur-tick-a:   120ms;
  --dur-valve-a:  320ms;
  --dur-damp-a:   520ms;
  --dur-drain-a:  900ms;
  --dur-ambient-a: 18000ms;

  --ease-damp-a:  cubic-bezier(.4,.8,.4,1);
  --ease-snap-a:  cubic-bezier(.7,0,.84,0);
  --ease-flow-a:  cubic-bezier(.22,1,.36,1);
  --ease-drain-a: cubic-bezier(.55,0,.45,1);

  --shadow-bezel-a: inset 0 1px 0 rgba(255,255,255,.05),inset 0 -1px 0 rgba(0,0,0,.35);
  --shadow-press-a: inset 0 2px 0 rgba(0,0,0,.32);

  color: var(--ink-a);
  background: var(--slate-a);
  font-family: var(--font-body-a);
  font-size: 17px;
  line-height: 1.6;
}

@media (prefers-color-scheme: dark) {
  [data-design="a"] {
    --slate-a:        #0D1116;
    --slate-deep-a:   #161A22;
    --ink-a:          #E7E9EC;
    --ink-soft-a:     #B5B9C0;
    --muted-a:        #7C8290;
    --rule-a:         #9298A2;
    --brass-a:        #D4AA45;
    --copper-a:       #C46B43;
    --gauge-green-a:  #42A672;
    --gauge-amber-a:  #E5AE3D;
    --gauge-red-a:    #E4493B;
    --blueprint-a:    #5A8DC4;
  }
}

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

/* ─── MOBILE CLIP (scoped to .dq-design) ─── */
[data-design="a"].dq-design,
[data-design="a"] .dq-design {
  max-width: 100%;
  overflow-x: clip;
}
[data-design="a"].dq-design * {
  min-width: 0;
}
[data-design="a"].dq-design img,
[data-design="a"].dq-design svg:not([data-keep-size]) {
  max-width: 100%;
  height: auto;
}

/* ═══════════════════════════════════════════════════════════
   ELEMENT 1 — HEADER (Pressure Bar)
   ═══════════════════════════════════════════════════════════ */
[data-design="a"] .sp-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--slate-a) 94%, transparent);
  /* motion-exception: backdrop-filter desktop-only, no hero overlap — header is sticky above hero, not composited over it */
  border-bottom: 1px solid var(--rule-a);
}

[data-design="a"] .sp-header__atmos {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  overflow: hidden;
  pointer-events: none;
}

[data-design="a"] .sp-header__atmos::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--brass-a) 45%, transparent), transparent);
  transform: translateX(-100%);
  animation: a-header-idle 22s var(--ease-flow-a) infinite;
}

[data-design="a"] .sp-pressure-bar {
  position: relative;
  z-index: 1;
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--brass-a), color-mix(in srgb, var(--brass-a) 55%, var(--copper-a)));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-tick-a) linear;
}

[data-design="a"] .sp-pressure-bar[data-full="true"] {
  box-shadow: 0 0 7px var(--gauge-green-a);
}

@keyframes a-header-idle {
  0%         { transform: translateX(-100%); }
  50%, 100%  { transform: translateX(100%); }
}

[data-design="a"] .sp-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-fitting-a);
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-em-a) clamp(12px, 4vw, 40px);
}

[data-design="a"] .sp-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-em-a);
  text-decoration: none;
  color: var(--ink-a);
  min-width: 0;
}

[data-design="a"] .sp-logo__gauge {
  width: 26px;
  height: 26px;
  color: var(--brass-a);
  flex: none;
}

[data-design="a"] .sp-logo__needle {
  transform-box: view-box;
  transform-origin: 12px 12px;
  animation: a-needle-idle 9s ease-in-out infinite;
}

@keyframes a-needle-idle {
  0%, 100% { transform: rotate(-3deg); }
  50%       { transform: rotate(3deg); }
}

[data-design="a"] .sp-logo__mark {
  font-family: var(--font-display-a);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: clamp(15px, 4vw, 22px);
  line-height: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-design="a"] .sp-burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 11px;
  flex: none;
  background: transparent;
  border: 1px solid var(--rule-a);
  border-radius: var(--radius-pin-a);
  cursor: pointer;
}

[data-design="a"] .sp-burger__line {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink-a);
  transition: transform var(--dur-valve-a) var(--ease-snap-a), opacity var(--dur-tick-a);
}

[data-design="a"] .sp-burger[aria-expanded="true"] .sp-burger__line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
[data-design="a"] .sp-burger[aria-expanded="true"] .sp-burger__line:nth-child(2) { opacity: 0; }
[data-design="a"] .sp-burger[aria-expanded="true"] .sp-burger__line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

[data-design="a"] .sp-drawer {
  position: fixed;
  inset: 0;
  z-index: 39;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-segment-a);
  padding: var(--space-riser-a) clamp(20px, 8vw, 80px);
  background: var(--slate-deep-a);
  border-top: 3px solid var(--brass-a);
  transform: translateY(-100%);
  transition: transform var(--dur-valve-a) var(--ease-snap-a);
  visibility: hidden;
}

[data-design="a"] .sp-drawer[data-open="true"] {
  transform: translateY(0);
  visibility: visible;
}

[data-design="a"] .sp-drawer__close {
  position: absolute;
  top: 16px;
  right: 20px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--rule-a);
  border-radius: var(--radius-pin-a);
  color: var(--ink-a);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

[data-design="a"] .sp-drawer__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-fitting-a);
}

[data-design="a"] .sp-drawer__nav a {
  font-family: var(--font-display-a);
  text-transform: uppercase;
  letter-spacing: .10em;
  font-size: clamp(26px, 8vw, 44px);
  color: var(--ink-a);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  width: max-content;
  max-width: 100%;
  transition: border-color var(--dur-tick-a);
}

[data-design="a"] .sp-drawer__phone {
  font-family: var(--font-data-a);
  font-size: 18px;
  color: var(--brass-a);
  text-decoration: none;
  border-bottom: 1px solid var(--brass-a);
  width: max-content;
  padding-bottom: 2px;
}

/* ═══════════════════════════════════════════════════════════
   HERO — Control Panel
   isolation:isolate + z-index so nothing paints over the text
   ═══════════════════════════════════════════════════════════ */
[data-design="a"] .sp-hero {
  position: relative;
  isolation: isolate;
  min-height: clamp(480px, 72vh, 700px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--slate-a);
}

[data-design="a"] .sp-hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

/* Warm copper-glow field — sustained ambient color motion */
[data-design="a"] .sp-hero__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 65% 40%,
    color-mix(in srgb, var(--copper-a) 22%, transparent),
    transparent 70%);
  animation: a-glow-breath 5s ease-in-out infinite;
}

@keyframes a-glow-breath {
  0%, 100% { opacity: 0.55; transform: scale(1); }
  50%       { opacity: 1;    transform: scale(1.08); }
}

[data-design="a"] .sp-hero__schematic {
  position: absolute;
  right: -20px;
  top: 0;
  width: 58%;
  height: 100%;
  object-fit: cover;
}

/* Drip animation — ambient A in hero */
[data-design="a"] .sp-hero__drop {
  transform-box: fill-box;
  transform-origin: center;
  animation: a-hero-drip var(--dur-ambient-a) linear infinite;
}

@keyframes a-hero-drip {
  0%   { transform: translateY(0);     opacity: 0; }
  3%   { opacity: 1; }
  11%  { transform: translateY(110px); opacity: 1; }
  12%  { transform: translateY(110px); opacity: 0; }
  100% { transform: translateY(0);     opacity: 0; }
}

[data-design="a"] .sp-hero__splash {
  transform-box: fill-box;
  transform-origin: center;
  animation: a-hero-splash var(--dur-ambient-a) ease-out infinite;
}

@keyframes a-hero-splash {
  0%, 10%  { transform: scale(.2); opacity: 0; }
  12%      { transform: scale(.3); opacity: .9; }
  17%      { transform: scale(1.4); opacity: 0; }
  100%     { opacity: 0; }
}

/* Flow current along main run */
[data-design="a"] .sp-hero__flow {
  animation: a-hero-flow 16s linear infinite;
}

@keyframes a-hero-flow {
  from { stroke-dashoffset: 0; }
  to   { stroke-dashoffset: -160; }
}

/* Hero text — must be above every backdrop layer */
[data-design="a"] .sp-hero__content {
  position: relative;
  z-index: 10;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-riser-a) clamp(16px, 5vw, 60px);
}

[data-design="a"] .sp-hero__headline {
  font-family: var(--font-display-a);
  text-transform: uppercase;
  letter-spacing: .03em;
  font-size: clamp(32px, 6.5vw, 72px);
  line-height: 1.05;
  color: var(--ink-a);
  max-width: 16ch;
  margin: 0 0 var(--space-fitting-a);
  opacity: 1; /* HARD: never opacity:0 */
}

[data-design="a"] .sp-hero__subtitle {
  font-family: var(--font-body-a);
  font-size: clamp(16px, 2.4vw, 22px);
  line-height: 1.55;
  color: var(--ink-soft-a);
  max-width: 46ch;
  margin: 0 0 var(--space-em-a);
  opacity: 1;
}

[data-design="a"] .sp-hero__proof {
  font-family: var(--font-data-a);
  font-size: 13px;
  color: var(--muted-a);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin: 0 0 var(--space-run-a);
  opacity: 1;
}

/* ═══════════════════════════════════════════════════════════
   ELEMENT 2 — CTA (Valve — phone CTA)
   ═══════════════════════════════════════════════════════════ */
[data-design="a"] .sp-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-em-a);
  padding: 14px 26px;
  max-width: 100%;
  background: var(--brass-a);
  color: var(--ink-a);
  font-family: var(--font-display-a);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: 18px;
  text-decoration: none;
  border-radius: var(--radius-pin-a);
  box-shadow: var(--shadow-bezel-a);
  overflow: hidden;
  isolation: isolate;
  animation: a-cta-breath 4.4s var(--ease-damp-a) infinite;
  will-change: transform;
}

[data-design="a"] .sp-cta--inline {
  font-size: 16px;
  padding: 12px 22px;
}

[data-design="a"] .sp-cta__label,
[data-design="a"] .sp-cta__arrow {
  position: relative;
  z-index: 2;
  opacity: 1; /* HARD: never opacity:0 */
}

[data-design="a"] .sp-cta__arrow {
  width: 16px;
  height: 16px;
  color: var(--ink-a);
  animation: a-cta-trace 4.4s var(--ease-flow-a) infinite;
  flex: none;
}

[data-design="a"] .sp-cta__sweep {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 3;
  height: 2px;
  width: 100%;
  background: var(--copper-a);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-valve-a) var(--ease-flow-a);
}

@keyframes a-cta-breath {
  0%, 100% { transform: translateY(0); box-shadow: var(--shadow-bezel-a); }
  50%       { transform: translateY(-1px); box-shadow: var(--shadow-bezel-a), 0 0 0 2px color-mix(in srgb, var(--brass-a) 45%, transparent); }
}

@keyframes a-cta-trace {
  0%, 68%, 100% { transform: translateY(0); opacity: .8; }
  82%            { transform: translateY(3px); opacity: 1; }
}

@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .sp-cta:hover {
    background: color-mix(in srgb, var(--brass-a) 92%, #000);
  }
  [data-design="a"] .sp-cta:hover .sp-cta__sweep,
  [data-design="a"] .sp-cta:focus-visible .sp-cta__sweep {
    transform: scaleX(1);
  }
  [data-design="a"] .sp-drawer__nav a:hover,
  [data-design="a"] .sp-drawer__nav a:focus-visible {
    border-color: var(--brass-a);
    outline: none;
  }
}

[data-design="a"] .sp-cta:focus-visible {
  outline: 2px solid var(--gauge-amber-a);
  outline-offset: 4px;
}

[data-design="a"] .sp-cta:active {
  transform: translateY(2px);
  box-shadow: var(--shadow-press-a);
  background: color-mix(in srgb, var(--brass-a) 80%, #000);
}

[data-design="a"] .sp-cta[data-served="true"] .sp-cta__sweep {
  transform: scaleX(1);
  transition: transform 800ms var(--ease-drain-a);
}

/* ═══════════════════════════════════════════════════════════
   ELEMENT 6 — POINTER (hydraulic-warm, between hero & funnel)
   Must render: opacity:1, height ≥ 8px
   ═══════════════════════════════════════════════════════════ */
[data-design="a"] .sp-pointer {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-run-a) clamp(16px, 5vw, 40px);
  opacity: 1; /* HARD: never opacity:0 */
  min-height: 80px;
}

[data-design="a"] .sp-pointer__pipe {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-em-a);
}

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

[data-design="a"] .sp-pointer__copper {
  animation: a-ptr-pulse 3s ease-in-out infinite;
}

@keyframes a-ptr-pulse {
  0%, 100% { stroke-width: 3; opacity: 0.7; }
  50%       { stroke-width: 4; opacity: 1; }
}

[data-design="a"] .sp-pointer__head {
  animation: a-ptr-head 2s ease-in-out infinite;
}

@keyframes a-ptr-head {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(4px); }
}

/* Drip-down flow dots along the pointer pipe */
[data-design="a"] .sp-pointer__d1 {
  animation: a-ptr-drip 2s ease-in 0s infinite;
}
[data-design="a"] .sp-pointer__d2 {
  animation: a-ptr-drip 2s ease-in 0.6s infinite;
}
[data-design="a"] .sp-pointer__d3 {
  animation: a-ptr-drip 2s ease-in 1.2s infinite;
}

@keyframes a-ptr-drip {
  0%   { opacity: 0; transform: translateY(0); }
  20%  { opacity: 1; }
  80%  { opacity: 1; transform: translateY(20px); }
  100% { opacity: 0; transform: translateY(24px); }
}

[data-design="a"] .sp-pointer__label {
  font-family: var(--font-data-a);
  text-transform: uppercase;
  letter-spacing: .10em;
  font-size: 12px;
  color: var(--muted-a);
  opacity: 1;
}

/* ═══════════════════════════════════════════════════════════
   ELEMENT 5 — SERVICE TICKET FUNNEL
   ═══════════════════════════════════════════════════════════ */
[data-design="a"] .sp-interactive {
  max-width: 700px;
  margin: 0 auto;
  padding: var(--space-riser-a) clamp(16px, 5vw, 40px);
}

[data-design="a"] .sp-ticket {
  background: var(--slate-deep-a);
  border: 1px solid var(--rule-a);
  box-shadow: var(--shadow-bezel-a);
}

[data-design="a"] .sp-ticket__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-em-a);
  padding: var(--space-segment-a) var(--space-segment-a) var(--space-fitting-a);
  border-bottom: 1px solid var(--rule-a);
}

[data-design="a"] .sp-ticket__title {
  font-family: var(--font-display-a);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-size: clamp(22px, 5vw, 32px);
  opacity: 1;
}

[data-design="a"] .sp-ticket__meta {
  font-family: var(--font-data-a);
  font-size: 12px;
  color: var(--muted-a);
  font-variant-numeric: tabular-nums;
  opacity: 1;
}

[data-design="a"] .sp-ticket__rail {
  height: 3px;
  background: color-mix(in srgb, var(--rule-a) 50%, transparent);
}

[data-design="a"] .sp-ticket__pressure {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--brass-a);
  transform: scaleX(0.33);
  transform-origin: left;
  transition: transform var(--dur-valve-a) var(--ease-flow-a);
}

[data-design="a"] .sp-funnel {
  padding: var(--space-segment-a);
}

[data-design="a"] .sp-step {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}

[data-design="a"] .sp-step[data-active="true"] {
  animation: a-step-in var(--dur-valve-a) var(--ease-flow-a);
}

@keyframes a-step-in {
  from { opacity: 0; clip-path: inset(0 100% 0 0); }
  to   { opacity: 1; clip-path: inset(0 0 0 0); }
}

[data-design="a"] .sp-step__q {
  font-family: var(--font-display-a);
  text-transform: uppercase;
  letter-spacing: .04em;
  font-size: 18px;
  margin-bottom: var(--space-fitting-a);
  padding: 0;
  opacity: 1;
}

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

[data-design="a"] .sp-chip {
  flex: 1 1 140px;
  min-height: 44px;
  padding: 14px 16px;
  background: var(--slate-a);
  border: 1px solid var(--rule-a);
  border-radius: var(--radius-pin-a);
  color: var(--ink-a);
  font-family: var(--font-body-a);
  font-size: 15px;
  text-align: left;
  cursor: pointer;
  transition: border-color var(--dur-tick-a), background var(--dur-tick-a), transform var(--dur-tick-a) var(--ease-snap-a);
  opacity: 1;
}

[data-design="a"] .sp-chip:active {
  transform: translateY(2px);
  box-shadow: var(--shadow-press-a);
}

[data-design="a"] .sp-chip[aria-checked="true"] {
  border-color: var(--brass-a);
  background: color-mix(in srgb, var(--brass-a) 14%, var(--slate-a));
}

[data-design="a"] .sp-chip:focus-visible {
  outline: 2px solid var(--gauge-amber-a);
  outline-offset: 3px;
}

@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .sp-chip:hover {
    border-color: var(--brass-a);
  }
}

[data-design="a"] .sp-gauge {
  text-align: center;
  margin-bottom: var(--space-fitting-a);
}

[data-design="a"] .sp-gauge svg {
  width: min(100%, 240px);
  height: auto;
}

[data-design="a"] .sp-gauge__arc {
  transition: stroke-dashoffset var(--dur-damp-a) var(--ease-damp-a), stroke var(--dur-damp-a) var(--ease-damp-a);
}

[data-design="a"] .sp-gauge__needle {
  transform-box: view-box;
  transform-origin: 100px 110px;
  transition: transform var(--dur-damp-a) var(--ease-damp-a);
}

[data-design="a"] .sp-gauge__label {
  font-family: var(--font-data-a);
  text-transform: uppercase;
  letter-spacing: .10em;
  font-size: 13px;
  margin-top: var(--space-em-a);
  font-variant-numeric: tabular-nums;
  opacity: 1;
}

[data-design="a"] .sp-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: var(--radius-bezel-a);
  background: linear-gradient(90deg, var(--gauge-green-a), var(--gauge-amber-a), var(--gauge-red-a));
}

[data-design="a"] .sp-slider:focus-visible {
  outline: 2px solid var(--gauge-amber-a);
  outline-offset: 6px;
}

[data-design="a"] .sp-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--brass-a);
  border: 2px solid var(--slate-a);
  cursor: pointer;
  box-shadow: var(--shadow-bezel-a);
}

[data-design="a"] .sp-slider::-moz-range-thumb {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--brass-a);
  border: 2px solid var(--slate-a);
  cursor: pointer;
}

[data-design="a"] .sp-slider__ends {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-data-a);
  font-size: 11px;
  color: var(--muted-a);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: .06em;
}

[data-design="a"] .sp-emergency-hint {
  margin-top: var(--space-fitting-a);
  padding: var(--space-em-a) var(--space-fitting-a);
  background: color-mix(in srgb, var(--gauge-red-a) 12%, var(--slate-deep-a));
  border: 1px solid var(--gauge-red-a);
  border-radius: var(--radius-pin-a);
  font-family: var(--font-data-a);
  font-size: 13px;
  color: var(--ink-a);
}

[data-design="a"] .sp-emergency-hint a {
  color: var(--brass-a);
}

[data-design="a"] .sp-field {
  display: block;
  margin-bottom: var(--space-fitting-a);
}

[data-design="a"] .sp-field span {
  display: block;
  font-family: var(--font-display-a);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-size: 12px;
  color: var(--muted-a);
  margin-bottom: 6px;
  opacity: 1;
}

[data-design="a"] .sp-field input {
  width: 100%;
  min-height: 44px;
  padding: 12px 16px;
  background: var(--slate-a);
  border: 1px solid var(--rule-a);
  border-radius: var(--radius-pin-a);
  color: var(--ink-a);
  font-family: var(--font-body-a);
  font-size: 16px;
}

[data-design="a"] .sp-field input:focus-visible {
  outline: none;
  border-width: 2px;
  border-color: var(--brass-a);
}

[data-design="a"] .sp-step__nav {
  display: flex;
  gap: var(--space-em-a);
  margin-top: var(--space-fitting-a);
}

[data-design="a"] .sp-mini {
  flex: 1;
  min-height: 44px;
  padding: 12px 18px;
  border-radius: var(--radius-pin-a);
  font-family: var(--font-display-a);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-size: 15px;
  cursor: pointer;
  border: 1px solid var(--rule-a);
  background: transparent;
  color: var(--ink-a);
  transition: transform var(--dur-tick-a) var(--ease-snap-a), background var(--dur-tick-a);
  opacity: 1;
}

[data-design="a"] .sp-mini--go,
[data-design="a"] .sp-mini--dispatch {
  background: var(--brass-a);
  border-color: var(--brass-a);
  color: var(--ink-a);
  box-shadow: var(--shadow-bezel-a);
}

[data-design="a"] .sp-mini:active {
  transform: translateY(2px);
  box-shadow: var(--shadow-press-a);
}

[data-design="a"] .sp-mini:focus-visible {
  outline: 2px solid var(--gauge-amber-a);
  outline-offset: 3px;
}

[data-design="a"] .sp-done {
  text-align: center;
  padding: var(--space-run-a) var(--space-segment-a);
}

[data-design="a"] .sp-done__stamp {
  font-family: var(--font-display-a);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: clamp(28px, 8vw, 48px);
  color: var(--gauge-green-a);
  opacity: 1;
}

[data-design="a"] .sp-done[data-shown="true"] .sp-done__stamp {
  animation: a-stamp var(--dur-valve-a) var(--ease-snap-a);
}

@keyframes a-stamp {
  0%   { transform: scale(1.3); opacity: 0; }
  60%  { transform: scale(.96); opacity: 1; }
  100% { transform: scale(1); }
}

[data-design="a"] .sp-done__line {
  font-family: var(--font-data-a);
  color: var(--muted-a);
  margin-top: var(--space-em-a);
  font-size: 14px;
  opacity: 1;
}

[data-design="a"] .sp-done__line a {
  color: var(--brass-a);
}

/* ═══════════════════════════════════════════════════════════
   ELEMENT 3 — Ambient A (mid-page drip panel / about)
   ═══════════════════════════════════════════════════════════ */
[data-design="a"] .sp-ambient-a {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: var(--space-run-a);
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-riser-a) clamp(16px, 5vw, 40px);
}

[data-design="a"] .sp-a__kicker {
  font-family: var(--font-data-a);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 11px;
  color: var(--muted-a);
  opacity: 1;
}

[data-design="a"] .sp-a__title {
  font-family: var(--font-display-a);
  text-transform: uppercase;
  letter-spacing: .03em;
  font-size: clamp(28px, 6vw, 56px);
  line-height: 1.05;
  margin: var(--space-em-a) 0;
  opacity: 1;
}

[data-design="a"] .sp-a__body {
  max-width: 48ch;
  color: var(--ink-soft-a);
  line-height: 1.6;
  margin-bottom: var(--space-segment-a);
}

[data-design="a"] .sp-a__panel {
  position: relative;
  background: var(--slate-deep-a);
  border: 1px solid var(--rule-a);
  box-shadow: var(--shadow-bezel-a);
  padding: var(--space-segment-a);
}

[data-design="a"] .sp-a__schematic {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
}

[data-design="a"] .sp-a__drop {
  transform-box: fill-box;
  transform-origin: center;
  animation: a-drip var(--dur-ambient-a) linear infinite;
}

[data-design="a"] .sp-a__rip {
  transform-box: fill-box;
  transform-origin: center;
  opacity: 0;
  animation: a-splash var(--dur-ambient-a) ease-out infinite;
}

@keyframes a-drip {
  0%   { transform: translateY(0);     opacity: 0; }
  3%   { opacity: 1; }
  11%  { transform: translateY(132px); opacity: 1; }
  12%  { transform: translateY(132px); opacity: 0; }
  100% { transform: translateY(0);     opacity: 0; }
}

@keyframes a-splash {
  0%, 10% { transform: scale(.2); opacity: 0; }
  12%      { transform: scale(.3); opacity: .9; }
  17%      { transform: scale(1.4); opacity: 0; }
  100%     { opacity: 0; }
}

[data-design="a"] .sp-a__readout {
  margin-top: var(--space-fitting-a);
  font-family: var(--font-data-a);
  font-variant-numeric: tabular-nums;
  color: var(--gauge-green-a);
  font-size: 24px;
  opacity: 1;
}

[data-design="a"] .sp-a__unit {
  color: var(--muted-a);
  font-size: 13px;
}

[data-design="a"] .sp-ambient-a[data-paused="true"] .sp-a__drop,
[data-design="a"] .sp-ambient-a[data-paused="true"] .sp-a__rip {
  animation-play-state: paused;
}

/* ═══════════════════════════════════════════════════════════
   ELEMENT 4 — Ambient B (Services plate-set + Flow Run)
   ═══════════════════════════════════════════════════════════ */
[data-design="a"] .sp-ambient-b {
  position: relative;
  background: var(--slate-deep-a);
  padding-bottom: calc(var(--space-riser-a) + 30px);
}

[data-design="a"] .sp-ambient-b > .sp-b__title,
[data-design="a"] .sp-ambient-b > .sp-b__grid {
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(16px, 5vw, 40px);
  padding-right: clamp(16px, 5vw, 40px);
}

[data-design="a"] .sp-b__title {
  font-family: var(--font-display-a);
  text-transform: uppercase;
  letter-spacing: .03em;
  font-size: clamp(24px, 5vw, 36px);
  padding-top: var(--space-riser-a);
  margin-bottom: var(--space-segment-a);
  opacity: 1;
}

[data-design="a"] .sp-b__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: var(--space-fitting-a);
}

[data-design="a"] .sp-plate {
  background: var(--slate-a);
  border: 1px solid var(--rule-a);
  padding: var(--space-segment-a);
  box-shadow: var(--shadow-bezel-a);
  /* scroll-linked reveal via JS data-lit */
}

[data-design="a"] .sp-plate__no {
  font-family: var(--font-data-a);
  font-size: 11px;
  letter-spacing: .10em;
  color: var(--brass-a);
  text-transform: uppercase;
  opacity: 1;
}

[data-design="a"] .sp-plate__body {
  margin: var(--space-em-a) 0 var(--space-fitting-a);
  color: var(--ink-soft-a);
  line-height: 1.55;
  font-size: 15px;
}

[data-design="a"] .sp-plate__gauge {
  height: 6px;
  background: color-mix(in srgb, var(--rule-a) 45%, transparent);
  border-radius: var(--radius-bezel-a);
  overflow: hidden;
}

/* Scroll-linked fill — TRIAD-2 premium scroll motion via JS class */
[data-design="a"] .sp-plate__fill {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--copper-a), var(--brass-a));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-drain-a) var(--ease-flow-a);
}

[data-design="a"] .sp-plate[data-lit="true"] .sp-plate__fill {
  transform: scaleX(var(--g-scale, 0.6)); /* driven by JS */
  width: 100%; /* kept for static fallback context only */
}

[data-design="a"] .sp-plate__read {
  margin-top: var(--space-em-a);
  font-family: var(--font-data-a);
  font-size: 12px;
  color: var(--gauge-green-a);
  font-variant-numeric: tabular-nums;
  opacity: 1;
}

[data-design="a"] .sp-b__run {
  position: absolute;
  left: 0;
  right: 0;
  bottom: var(--space-run-a);
  width: 100%;
  height: 30px;
}

[data-design="a"] .sp-b__flow {
  animation: a-b-flow 16s linear infinite;
}

@keyframes a-b-flow {
  from { stroke-dashoffset: 0; }
  to   { stroke-dashoffset: -160; }
}

[data-design="a"] .sp-ambient-b[data-paused="true"] .sp-b__flow {
  animation-play-state: paused;
}

/* ═══════════════════════════════════════════════════════════
   SCROLL PARALLAX — TRIAD-2 (genuine scroll-driven motion)
   Hero schematic drifts as visitor scrolls — not just fade-in
   ═══════════════════════════════════════════════════════════ */
[data-design="a"] .sp-hero__backdrop {
  will-change: transform;
}
/* JS drives --parallax-y on .sp-hero__backdrop via translate */

/* ═══════════════════════════════════════════════════════════
   SERVICE AREA
   ═══════════════════════════════════════════════════════════ */
[data-design="a"] .sp-area {
  padding: var(--space-riser-a) clamp(16px, 5vw, 40px);
}

[data-design="a"] .sp-area__inner {
  max-width: 1280px;
  margin: 0 auto;
}

[data-design="a"] .sp-area__title {
  font-family: var(--font-display-a);
  text-transform: uppercase;
  letter-spacing: .03em;
  font-size: clamp(24px, 5vw, 36px);
  margin-bottom: var(--space-fitting-a);
  opacity: 1;
}

[data-design="a"] .sp-area__body {
  max-width: 56ch;
  color: var(--ink-soft-a);
  line-height: 1.6;
  margin-bottom: var(--space-segment-a);
}

[data-design="a"] .sp-area__list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-segment-a);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-em-a) var(--space-run-a);
}

[data-design="a"] .sp-area__list li {
  font-family: var(--font-data-a);
  font-size: 14px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted-a);
}

[data-design="a"] .sp-area__list li::before {
  content: "■ ";
  color: var(--copper-a);
  font-size: 8px;
  vertical-align: middle;
}

/* ═══════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════ */
[data-design="a"] .sp-footer {
  background: var(--slate-deep-a);
  border-top: 3px solid var(--brass-a);
  padding: var(--space-riser-a) clamp(16px, 5vw, 40px);
}

[data-design="a"] .sp-footer__inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: var(--space-run-a);
  align-items: start;
}

[data-design="a"] .sp-footer__name {
  font-family: var(--font-display-a);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: 20px;
  opacity: 1;
}

[data-design="a"] .sp-footer__tag {
  font-family: var(--font-data-a);
  font-size: 12px;
  color: var(--muted-a);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-top: 4px;
}

[data-design="a"] .sp-footer__phone {
  font-family: var(--font-data-a);
  font-size: clamp(22px, 4vw, 32px);
  font-variant-numeric: tabular-nums;
  color: var(--brass-a);
  text-decoration: none;
  display: block;
  margin-bottom: 8px;
}

[data-design="a"] .sp-footer__hours {
  font-family: var(--font-data-a);
  font-size: 12px;
  color: var(--muted-a);
  text-transform: uppercase;
  letter-spacing: .06em;
}

[data-design="a"] .sp-footer__legal {
  font-family: var(--font-data-a);
  font-size: 12px;
  color: var(--muted-a);
  line-height: 1.8;
}

[data-design="a"] .sp-footer__cta {
  display: inline-block;
  margin-top: var(--space-em-a);
  color: var(--brass-a);
  font-family: var(--font-display-a);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid var(--brass-a);
  padding-bottom: 2px;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  [data-design="a"] .sp-ambient-a {
    grid-template-columns: 1fr;
    gap: var(--space-segment-a);
  }
  [data-design="a"] .sp-hero__schematic {
    width: 100%;
    right: 0;
    top: auto;
    bottom: 0;
    height: 45%;
    opacity: 0.35;
  }
}

@media (max-width: 560px) {
  [data-design="a"] .sp-plate { padding: var(--space-fitting-a); }
  [data-design="a"] .sp-logo__mark { font-size: 15px; }
}

@media (max-width: 390px) {
  [data-design="a"] .sp-cta { width: 100%; justify-content: center; }
  [data-design="a"] .sp-funnel { padding: var(--space-fitting-a); }
  [data-design="a"] .sp-chip { flex: 1 1 100%; }
  [data-design="a"] .sp-header__bar { padding: var(--space-em-a) 12px; }
  [data-design="a"] .sp-a__panel { padding: var(--space-fitting-a); }
}

@media (max-width: 320px) {
  [data-design="a"] .sp-logo__gauge { display: none; }
}

/* ═══════════════════════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .sp-header__atmos::after,
  [data-design="a"] .sp-logo__needle,
  [data-design="a"] .sp-cta,
  [data-design="a"] .sp-cta__arrow,
  [data-design="a"] .sp-hero__drop,
  [data-design="a"] .sp-hero__splash,
  [data-design="a"] .sp-hero__flow,
  [data-design="a"] .sp-hero__glow,
  [data-design="a"] .sp-a__drop,
  [data-design="a"] .sp-a__rip,
  [data-design="a"] .sp-b__flow,
  [data-design="a"] .sp-pointer__copper,
  [data-design="a"] .sp-pointer__head,
  [data-design="a"] .sp-pointer__d1,
  [data-design="a"] .sp-pointer__d2,
  [data-design="a"] .sp-pointer__d3 {
    animation: none;
  }
  [data-design="a"] .sp-pressure-bar,
  [data-design="a"] .sp-drawer,
  [data-design="a"] .sp-burger__line,
  [data-design="a"] .sp-cta__sweep,
  [data-design="a"] .sp-plate__fill,
  [data-design="a"] .sp-ticket__pressure,
  [data-design="a"] .sp-gauge__arc,
  [data-design="a"] .sp-gauge__needle {
    transition: none;
  }
  [data-design="a"] .sp-step[data-active="true"],
  [data-design="a"] .sp-done__stamp {
    animation: none;
  }
  /* Plates show immediately without scroll observer */
  [data-design="a"] .sp-plate .sp-plate__fill {
    transform: scaleX(var(--g-scale, 0.6));
    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; }