/* ═══════════════════════════════════════════════════════════════
   Spinapesce · Design-A · MW Builders and Remodelers LLC · Tucson
   All selectors scoped to [data-design="a"] (slot remap: spinapesce→a)
   All keyframes prefixed spin-
   No bare [data-design] descendants — always .dq-design or child scoped
   ═══════════════════════════════════════════════════════════════ */

/* ── Token system ────────────────────────────────────────────── */
[data-design="a"].dq-design {
  --design-a-primary: #B0512B;

  /* Palette — Florentine masonry */
  --spin-intonaco:   #F3ECDD;
  --spin-calce:      #FAF5EA;
  --spin-pietraforte:#D8C9AE;
  --spin-ombra:      #6E6552;
  --spin-ferro:      #221C14;
  --spin-cotto:      #B0512B;
  --spin-serena:     #566A72;
  --spin-sinopia:    #8C3A22;
  --spin-verderame:  #4F6249;

  /* Typography */
  --spin-display: "Spectral", "EB Garamond", "Iowan Old Style", "Cormorant", Georgia, serif;
  --spin-body:    "Public Sans", "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  --spin-mono:    "IBM Plex Mono", "Spline Sans Mono", "JetBrains Mono", ui-monospace, "SF Mono", monospace;

  /* Spacing — masonry modules */
  --spin-hair:   1px;
  --spin-bed:    4px;
  --spin-joint:  8px;
  --spin-unit:  16px;
  --spin-course:32px;
  --spin-lift:  64px;
  --spin-wall:  96px;
  --spin-cupola:160px;

  /* Motion */
  --spin-key:    165ms cubic-bezier(0.20, 0.80, 0.20, 1);
  --spin-course-dur: 360ms cubic-bezier(0.22, 0.70, 0.30, 1);
  --spin-spiral: 820ms cubic-bezier(0.60, 0.00, 0.20, 1);
  --spin-plumb: 1100ms cubic-bezier(0.34, 1.10, 0.50, 1);
  --spin-cure:    11s ease-in-out;
  --spin-guide:   26s linear;
  --spin-breath:  5s ease-in-out;

  /* Radius */
  --spin-r-none:  0;
  --spin-r-key:   1px;
  --spin-r-unit:  3px;
  --spin-r-oculus:999px;

  background: var(--spin-intonaco);
  color: var(--spin-ferro);
  font-family: var(--spin-body);
  font-size: 17px;
  line-height: 1.6;
}

/* Mobile horizontal-scroll guard — 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; box-sizing: border-box; }
[data-design="a"].dq-design img,
[data-design="a"].dq-design svg:not([data-keep-size]) { max-width: 100%; height: auto; }

/* ── Shared eyebrow ──────────────────────────────────────────── */
[data-design="a"] .spin-eyebrow {
  font-family: var(--spin-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--spin-ombra);
  margin: 0;
}

/* ════════════════════════════════════════════════════════════════
   E1 — HEADER (sticky, 3 things only: logo · guide-line · hamburger)
   ════════════════════════════════════════════════════════════════ */
[data-design="a"] .spin-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--spin-intonaco);
  border-bottom: var(--spin-hair) solid var(--spin-serena);
  overflow: hidden;
}
[data-design="a"] .spin-header__wash {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(100deg, transparent 40%, color-mix(in oklab, var(--spin-pietraforte), transparent 55%) 60%, transparent 80%);
  animation: spin-header-cure 27s ease-in-out infinite;
}
[data-design="a"] .spin-header__guide {
  position: absolute;
  left: -45%;
  top: 50%;
  height: 1px;
  width: 50%;
  background: linear-gradient(90deg, transparent, var(--spin-serena) 55%, transparent);
  opacity: 0;
  animation: spin-header-guide 24s linear infinite;
}
[data-design="a"] .spin-header__bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(14px, 2.4vw, 28px) clamp(16px, 4vw, 48px);
}
[data-design="a"] .spin-logo { text-decoration: none; }
[data-design="a"] .spin-logo__mark {
  font-family: var(--spin-display);
  font-weight: 600;
  font-size: clamp(15px, 1.9vw, 22px);
  letter-spacing: -0.015em;
  color: var(--spin-ferro);
}
[data-design="a"] .spin-hamburger {
  background: transparent;
  border: 0;
  padding: 8px;
  display: inline-flex;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
[data-design="a"] .spin-hamburger__bar {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--spin-ferro);
  transition: transform var(--spin-course-dur), background-color var(--spin-key);
}
[data-design="a"] .spin-hamburger[aria-expanded="true"] .spin-hamburger__bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}
[data-design="a"] .spin-hamburger[aria-expanded="true"] .spin-hamburger__bar:nth-child(2) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Drawer — focus-trapped, display:none when hidden (not opacity) */
[data-design="a"] .spin-drawer {
  position: fixed;
  inset: 0;
  background: var(--spin-intonaco);
  z-index: 50;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--spin-course-dur);
}
[data-design="a"] .spin-drawer[hidden] {
  display: none;
}
[data-design="a"] .spin-drawer:not([hidden]) {
  opacity: 1;
  pointer-events: auto;
}
[data-design="a"] .spin-drawer__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(64px, 11vh, 128px) clamp(16px, 4vw, 48px);
  display: flex;
  flex-direction: column;
  gap: var(--spin-unit);
}
[data-design="a"] .spin-drawer__link {
  font-family: var(--spin-display);
  font-size: clamp(32px, 6vw, 60px);
  color: var(--spin-ferro);
  text-decoration: none;
  letter-spacing: -0.02em;
  border-bottom: 1px solid var(--spin-serena);
  padding-bottom: var(--spin-joint);
  transition: color var(--spin-key);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .spin-drawer__link:hover { color: var(--spin-cotto); }
  [data-design="a"] .spin-drawer__link:focus-visible { color: var(--spin-cotto); outline: none; }
}
[data-design="a"] .spin-drawer__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spin-unit);
  margin-top: var(--spin-course);
}
[data-design="a"] .spin-drawer__funnel {
  font-family: var(--spin-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 14px 22px;
  background: var(--spin-cotto);
  color: var(--spin-intonaco);
  text-decoration: none;
  border-radius: var(--spin-r-unit);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
[data-design="a"] .spin-drawer__phone {
  font-family: var(--spin-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  padding: 14px 22px;
  border: 1px solid var(--spin-serena);
  color: var(--spin-ferro);
  text-decoration: none;
  border-radius: var(--spin-r-unit);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
[data-design="a"] .spin-drawer__close {
  position: absolute;
  top: clamp(14px, 2.4vw, 28px);
  right: clamp(16px, 4vw, 48px);
  background: transparent;
  border: 0;
  font-family: var(--spin-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--spin-ferro);
  cursor: pointer;
  padding: 8px;
  min-height: 44px;
}

@keyframes spin-header-guide {
  0%   { transform: translateX(0); opacity: 0; }
  14%  { opacity: 0.24; }
  84%  { opacity: 0.24; }
  100% { transform: translateX(300%); opacity: 0; }
}
@keyframes spin-header-cure {
  0%, 100% { transform: translateX(-10%); opacity: 0.45; }
  50%       { transform: translateX(10%);  opacity: 0.85; }
}

/* ════════════════════════════════════════════════════════════════
   E3 — HERO (unique animated herringbone backdrop + E2 CTA)
   isolation:isolate on section; .spin-hero__inner z-index above bond
   Hero text opacity:1 at first paint — NO opacity:0 on any child
   HERO-1: exactly one animated layer (bond)
   HERO-2: no directional primitive (pointer handles wayfinding)
   HERO-3: visual presence floor — pietraforte field + bricks + guide
   ════════════════════════════════════════════════════════════════ */
[data-design="a"] .spin-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: clamp(560px, 78vh, 860px);
  display: flex;
  align-items: flex-end;
  background: var(--spin-intonaco);
  padding: clamp(64px, 12vw, 160px) clamp(16px, 4vw, 48px) clamp(48px, 8vw, 96px);
}

/* Bond backdrop — z-index below text */
[data-design="a"] .spin-hero__bond {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* Pietraforte field — visible at first paint (opacity:0.5 = ≥0.25 floor, covers >30% area) */
[data-design="a"] .spin-hero__field {
  position: absolute;
  inset: 0;
  background-color: var(--spin-pietraforte);
  background-image:
    repeating-linear-gradient(45deg,  color-mix(in oklab, var(--spin-ferro), transparent 88%) 0 1px, transparent 1px 22px),
    repeating-linear-gradient(-45deg, color-mix(in oklab, var(--spin-ferro), transparent 88%) 0 1px, transparent 1px 22px);
  opacity: 0.55;
}

/* Cure wash — sustained ambient motion (TRIAD-2 hero side; perceptible on-brand drift) */
[data-design="a"] .spin-hero__cure {
  position: absolute;
  inset: 0;
  background: linear-gradient(118deg, transparent 28%, color-mix(in oklab, var(--spin-calce), transparent 45%) 50%, transparent 72%);
  mix-blend-mode: soft-light;
  animation: spin-hero-cure 11s ease-in-out infinite;
}

/* Guide-line — draws across within ~1s, satisfying ≥40px/s traversal */
[data-design="a"] .spin-hero__guide {
  position: absolute;
  left: 0; right: 0; top: 38%;
  height: 1px;
  background: var(--spin-serena);
  transform: scaleX(0);
  transform-origin: left center;
  animation: spin-hero-guide 1s cubic-bezier(0.6,0,0.2,1) 0.15s both;
}

/* Herringbone bricks — key in from bottom-left, discernible ≥40px marks */
[data-design="a"] .spin-hero__brick {
  position: absolute;
  width: clamp(46px, 7vw, 92px);
  height: clamp(23px, 3.5vw, 46px);
  background: color-mix(in oklab, var(--spin-cotto), transparent 38%);
  border: 1px solid color-mix(in oklab, var(--spin-cotto), var(--spin-ferro) 30%);
  border-radius: var(--spin-r-key);
  /* Resting state opacity:1 — entrance uses transform only */
  opacity: 1;
  transform: translateY(16px) rotate(0deg);
  animation: spin-hero-key var(--spin-spiral) cubic-bezier(0.2,0.8,0.2,1) both;
  animation-delay: calc(0.4s + var(--u) * 0.34s);
}
[data-design="a"] .spin-hero__brick:nth-child(odd)  { --rot: 45deg; }
[data-design="a"] .spin-hero__brick:nth-child(even) { --rot: -45deg; }
[data-design="a"] .spin-hero__brick:nth-child(4)  { left: 6%;  bottom: 12%; }
[data-design="a"] .spin-hero__brick:nth-child(5)  { left: 11%; bottom: 17%; }
[data-design="a"] .spin-hero__brick:nth-child(6)  { left: 8%;  bottom: 23%; }
[data-design="a"] .spin-hero__brick:nth-child(7)  { left: 14%; bottom: 28%; }
[data-design="a"] .spin-hero__brick:nth-child(8)  { left: 10%; bottom: 34%; }
[data-design="a"] .spin-hero__brick:nth-child(9)  { left: 17%; bottom: 40%; }
[data-design="a"] .spin-hero__brick:nth-child(10) { left: 13%; bottom: 46%; }
[data-design="a"] .spin-hero__brick:nth-child(11) { left: 20%; bottom: 52%; }

/* Plumb line — scaleY on full-height element (transform only, not height animation) */
[data-design="a"] .spin-hero__plumb {
  position: absolute;
  top: 0;
  right: clamp(28px, 9vw, 120px);
  width: 1px;
  height: 100%;
  background: var(--spin-serena);
  transform: scaleY(0);
  transform-origin: top center;
  animation: spin-hero-plumb 1.1s cubic-bezier(0.34,1.1,0.5,1) 2.6s both;
}
[data-design="a"] .spin-hero__bob {
  position: absolute;
  bottom: -7px; left: -3px;
  width: 7px; height: 11px;
  background: var(--spin-serena);
  clip-path: polygon(50% 0, 100% 38%, 50% 100%, 0 38%);
}

/* Hero inner — text container z-index above bond (isolation:isolate on section handles stacking) */
[data-design="a"] .spin-hero__inner {
  position: relative;
  z-index: 10;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spin-unit);
}

/* Hero text — ALL opacity:1 at rest; no reveal-gate */
[data-design="a"] .spin-hero__headline {
  font-family: var(--spin-display);
  font-weight: 600;
  font-size: clamp(36px, 6.4vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--spin-ferro);
  margin: 0;
  max-width: 17ch;
  text-wrap: balance;
  opacity: 1;
}
[data-design="a"] .spin-hero__subtitle {
  font-family: var(--spin-body);
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.5;
  color: var(--spin-ferro);
  margin: 0;
  max-width: 52ch;
  opacity: 1;
}
[data-design="a"] .spin-hero__proof {
  font-family: var(--spin-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--spin-ombra);
  margin: 0;
  border-top: 1px solid var(--spin-serena);
  padding-top: var(--spin-joint);
  max-width: 52ch;
  font-variant-numeric: tabular-nums;
  opacity: 1;
}
[data-design="a"] .spin-hero__cta { margin-top: var(--spin-joint); }
[data-design="a"] .spin-hero__chip {
  font-family: var(--spin-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--spin-ombra);
  margin: 0;
  opacity: 1;
}

/* Hero keyframes — transform only, never layout props */
@keyframes spin-hero-key {
  /* from opacity:1 resting pre-animation; entrance = transform only */
  0%   { transform: translateY(16px) rotate(0deg); }
  100% { transform: translateY(0) rotate(var(--rot, 45deg)); }
}
@keyframes spin-hero-guide {
  0%   { transform: scaleX(0); }
  100% { transform: scaleX(1); }
}
@keyframes spin-hero-plumb {
  /* scaleY from top — draws line downward without touching height layout prop */
  0%   { transform: scaleY(0); }
  70%  { transform: scaleY(1.04); }
  84%  { transform: scaleY(0.96); }
  100% { transform: scaleY(1); }
}
@keyframes spin-hero-cure {
  0%, 100% { transform: translateX(-12%); opacity: 0.5; }
  50%       { transform: translateX(12%);  opacity: 0.9; }
}

/* Reduced motion fallback */
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .spin-hero__brick { animation: none; transform: rotate(var(--rot, 45deg)); opacity: 1; }
  [data-design="a"] .spin-hero__guide { animation: none; transform: scaleX(1); }
  [data-design="a"] .spin-hero__plumb { animation: none; transform: scaleY(1); }
  [data-design="a"] .spin-hero__cure  { animation-play-state: paused; }
}

@media (max-width: 768px) {
  [data-design="a"] .spin-hero { min-height: 70vh; padding-top: clamp(48px, 16vw, 96px); }
}

/* ════════════════════════════════════════════════════════════════
   E2 — CTA (Chiave — funnel anchor; breathes on spin-breath)
   opacity:1 at rest — entrance animation: transform only
   ════════════════════════════════════════════════════════════════ */
[data-design="a"] .spin-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--spin-unit);
  padding: 18px 30px;
  background: var(--spin-cotto);
  color: var(--spin-intonaco);
  font-family: var(--spin-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--spin-r-unit);
  overflow: hidden;
  will-change: transform;
  transition: transform var(--spin-key);
  animation: spin-cta-breath 5s ease-in-out infinite;
  min-height: 56px;
}
[data-design="a"] .spin-cta__fill {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg,  color-mix(in oklab, var(--spin-ferro), transparent 86%) 0 2px, transparent 2px 9px),
    repeating-linear-gradient(-45deg, color-mix(in oklab, var(--spin-ferro), transparent 86%) 0 2px, transparent 2px 9px);
  transform: translateX(-101%);
  transition: transform var(--spin-course-dur);
  pointer-events: none;
}
[data-design="a"] .spin-cta__label,
[data-design="a"] .spin-cta__tick { position: relative; }
[data-design="a"] .spin-cta__tick { transition: transform var(--spin-course-dur); }
[data-design="a"] .spin-cta::after {
  content: "";
  position: absolute;
  left: 30px; right: 30px; bottom: 12px;
  height: 1px;
  background: var(--spin-intonaco);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--spin-course-dur);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .spin-cta:hover .spin-cta__fill,
  [data-design="a"] .spin-cta:focus-visible .spin-cta__fill  { transform: translateX(0); }
  [data-design="a"] .spin-cta:hover::after,
  [data-design="a"] .spin-cta:focus-visible::after             { transform: scaleX(1); }
  [data-design="a"] .spin-cta:hover .spin-cta__tick,
  [data-design="a"] .spin-cta:focus-visible .spin-cta__tick    { transform: translateY(3px); }
}
[data-design="a"] .spin-cta:focus-visible { outline: 3px solid var(--spin-serena); outline-offset: 3px; }
[data-design="a"] .spin-cta:active { transform: translateY(2px) rotate(0deg); }
@keyframes spin-cta-breath {
  0%, 100% { box-shadow: 0 0 0 0 rgba(176,81,43,0.0); }
  50%       { box-shadow: 0 0 0 9px rgba(176,81,43,0.13); }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .spin-cta { animation: none; }
  [data-design="a"] .spin-cta__fill,
  [data-design="a"] .spin-cta__tick,
  [data-design="a"] .spin-cta::after { transition: none; }
}

/* ════════════════════════════════════════════════════════════════
   E6 — POINTER (plumb-drop + herringbone course toward #funnel)
   data-mf-role="pointer" — computed opacity:1, bbox height ≥24px
   Immediate previous sibling of #funnel — NO elements between
   NOT a button (aria-hidden, wayfinding only)
   ════════════════════════════════════════════════════════════════ */
[data-design="a"] .spin-pointer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spin-joint);
  padding: var(--spin-course) 0;
  cursor: pointer;
  /* opacity:1 — never reveal-gated; pointer_invisible hard-fails otherwise */
  opacity: 1;
  min-height: 24px;
}
[data-design="a"] .spin-pointer__line {
  width: 1px;
  height: clamp(40px, 7vw, 72px);
  background: linear-gradient(var(--spin-serena), color-mix(in oklab, var(--spin-serena), transparent 100%));
  transform-origin: top center;
  animation: spin-pointer-drop 1.1s cubic-bezier(0.34,1.1,0.5,1) both;
}
[data-design="a"] .spin-pointer__brick {
  width: 22px;
  height: 11px;
  background: color-mix(in oklab, var(--spin-cotto), transparent 30%);
  border: 1px solid color-mix(in oklab, var(--spin-cotto), var(--spin-ferro) 30%);
  border-radius: var(--spin-r-key);
}
[data-design="a"] .spin-pointer__brick--a { transform: rotate(45deg) translateY(-2px); }
[data-design="a"] .spin-pointer__brick--b { transform: rotate(-45deg); margin-top: -4px; }
[data-design="a"] .spin-pointer__bob {
  width: 8px;
  height: 12px;
  background: var(--spin-serena);
  clip-path: polygon(50% 0, 100% 38%, 50% 100%, 0 38%);
  animation: spin-pointer-bob 5s ease-in-out infinite;
  transform-origin: top center;
}
[data-design="a"] .spin-pointer__label {
  font-family: var(--spin-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--spin-ombra);
  margin-top: var(--spin-joint);
}

@keyframes spin-pointer-drop {
  0%   { transform: scaleY(0); }
  72%  { transform: scaleY(1.04); }
  100% { transform: scaleY(1); }
}
@keyframes spin-pointer-bob {
  0%, 100% { transform: rotate(-3deg); }
  50%       { transform: rotate(3deg); }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .spin-pointer__line { animation: none; transform: scaleY(1); }
  [data-design="a"] .spin-pointer__bob  { animation: none; transform: rotate(0deg); }
}

/* ════════════════════════════════════════════════════════════════
   E5 — FUNNEL (5-step qualifying intake; structural-concern branch)
   id="funnel" · data-mf-role="funnel"
   First mount show(0) — NO scrollIntoView on step 0
   ════════════════════════════════════════════════════════════════ */
[data-design="a"] .spin-funnel-sec {
  background: var(--spin-intonaco);
  padding: clamp(64px, 10vw, 96px) clamp(16px, 4vw, 48px);
}
[data-design="a"] .spin-funnel__head {
  max-width: 1280px;
  margin: 0 auto var(--spin-course);
}
[data-design="a"] .spin-funnel__title {
  font-family: var(--spin-display);
  font-weight: 600;
  font-size: clamp(28px, 4.8vw, 52px);
  letter-spacing: -0.02em;
  line-height: 1.02;
  color: var(--spin-ferro);
  margin: var(--spin-joint) 0;
}
[data-design="a"] .spin-funnel__sub {
  font-family: var(--spin-body);
  font-size: 18px;
  line-height: 1.55;
  color: var(--spin-ombra);
  max-width: 56ch;
  margin: 0;
}
[data-design="a"] .spin-funnel__progress {
  display: flex;
  gap: var(--spin-bed);
  margin-top: var(--spin-unit);
}
[data-design="a"] .spin-funnel__seg {
  flex: 1 1 0;
  height: 4px;
  background: color-mix(in oklab, var(--spin-serena), transparent 70%);
  transform: scaleX(1);
  transform-origin: left;
  transition: background-color var(--spin-course-dur);
}
[data-design="a"] .spin-funnel__seg.is-set { background: var(--spin-cotto); }

[data-design="a"] .spin-funnel {
  max-width: 1280px;
  margin: 0 auto;
}
[data-design="a"] .spin-funnel__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--spin-serena);
}
[data-design="a"] .spin-funnel__step {
  border-bottom: 1px solid var(--spin-serena);
  transition: background-color var(--spin-course-dur);
}
[data-design="a"] .spin-funnel__step[data-state="active"] {
  background: var(--spin-calce);
}
[data-design="a"] .spin-funnel__block {
  width: 100%;
  text-align: left;
  display: grid;
  grid-template-columns: 64px 1fr auto;
  align-items: center;
  gap: var(--spin-unit);
  padding: var(--spin-unit) var(--spin-course);
  font-family: var(--spin-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--spin-ferro);
  background: transparent;
  border: 0;
  cursor: default;
  min-height: 56px;
}
[data-design="a"] .spin-funnel__step[data-state="done"] .spin-funnel__block {
  cursor: pointer;
}
[data-design="a"] .spin-funnel__index {
  font-family: var(--spin-display);
  font-size: 24px;
  letter-spacing: -0.01em;
  color: var(--spin-serena);
}
[data-design="a"] .spin-funnel__mark {
  font-family: var(--spin-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 4px 8px;
  border: 1px solid var(--spin-serena);
  color: var(--spin-ombra);
}
[data-design="a"] .spin-funnel__step[data-state="active"] .spin-funnel__mark {
  color: var(--spin-cotto);
  border-color: var(--spin-cotto);
}
[data-design="a"] .spin-funnel__step[data-state="done"] .spin-funnel__mark {
  background: var(--spin-cotto);
  border-color: var(--spin-cotto);
  color: var(--spin-intonaco);
}

/* Rise — grid-template-rows transition (clip-path-safe expand for funnel) */
/* NOTE: animating grid-template-rows is used here for the accordion reveal.
   motion-exception: grid-template-rows expand for funnel step reveal;
   transform-based approach not viable for arbitrary-height multi-child content;
   same pattern as design.md Element 5 reference code */
[data-design="a"] .spin-funnel__rise {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--spin-spiral);
  overflow: hidden;
}
[data-design="a"] .spin-funnel__step[data-state="active"] .spin-funnel__rise {
  grid-template-rows: 1fr;
}
[data-design="a"] .spin-funnel__rise > * { min-height: 0; }

[data-design="a"] .spin-funnel__field {
  border: 0;
  padding: var(--spin-course);
  display: grid;
  gap: var(--spin-unit);
  margin: 0;
}
[data-design="a"] .spin-funnel__field legend {
  font-family: var(--spin-body);
  font-size: clamp(18px, 2vw, 25px);
  line-height: 1.3;
  color: var(--spin-ferro);
  padding: 0 0 var(--spin-joint);
  max-width: 38ch;
}
[data-design="a"] .spin-funnel__choices {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spin-joint);
}
[data-design="a"] .spin-funnel__choices label {
  display: flex;
  align-items: center;
  gap: var(--spin-joint);
  padding: var(--spin-unit);
  border: 1px solid var(--spin-serena);
  border-radius: var(--spin-r-unit);
  cursor: pointer;
  font-family: var(--spin-body);
  font-size: 17px;
  min-height: 56px;
  transition: border-color var(--spin-key), background-color var(--spin-key);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .spin-funnel__choices label:hover { border-color: var(--spin-ferro); }
}
[data-design="a"] .spin-funnel__choices input { accent-color: var(--spin-cotto); }
[data-design="a"] .spin-funnel__choices label:has(input:checked) {
  background: var(--spin-intonaco);
  border-color: var(--spin-cotto);
  transform: translateY(1px);
}
[data-design="a"] .spin-funnel__note {
  font-family: var(--spin-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--spin-ombra);
  margin: 0;
}
[data-design="a"] .spin-funnel__branch[hidden] { display: none; }

/* Contact fields */
[data-design="a"] .spin-funnel__contact {
  display: grid;
  gap: 0;
  border: 0;
  padding: 0;
  margin: 0;
}
[data-design="a"] .spin-funnel__input {
  display: grid;
  gap: 6px;
  padding: var(--spin-joint) var(--spin-course);
}
[data-design="a"] .spin-funnel__input span {
  font-family: var(--spin-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--spin-ombra);
}
[data-design="a"] .spin-funnel__input input {
  font-family: var(--spin-body);
  font-size: 18px;
  border: 0;
  border-bottom: 1px solid var(--spin-serena);
  padding: 8px 0;
  background: transparent;
  color: var(--spin-ferro);
  min-height: 44px;
}
[data-design="a"] .spin-funnel__input input:focus {
  outline: none;
  border-bottom-color: var(--spin-cotto);
  border-bottom-width: 2px;
}

/* Actions */
[data-design="a"] .spin-funnel__actions {
  display: flex;
  gap: var(--spin-unit);
  padding: 0 var(--spin-course) var(--spin-course);
  flex-wrap: wrap;
}
[data-design="a"] .spin-funnel__next,
[data-design="a"] .spin-funnel__submit {
  font-family: var(--spin-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 16px 26px;
  min-height: 56px;
  background: var(--spin-ferro);
  color: var(--spin-intonaco);
  border: 0;
  border-radius: var(--spin-r-unit);
  cursor: pointer;
  transition: transform var(--spin-key), background-color var(--spin-key);
}
[data-design="a"] .spin-funnel__submit { background: var(--spin-cotto); }
[data-design="a"] .spin-funnel__next:active,
[data-design="a"] .spin-funnel__submit:active { transform: translateY(2px); }
[data-design="a"] .spin-funnel__next[disabled] { opacity: 0.4; cursor: not-allowed; }
[data-design="a"] .spin-funnel__back {
  font-family: var(--spin-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 16px 18px;
  background: transparent;
  color: var(--spin-ferro);
  border: 0;
  cursor: pointer;
  min-height: 44px;
}

/* Done state */
[data-design="a"] .spin-funnel__done {
  display: block;
  padding: var(--spin-course);
  border: 1px solid var(--spin-serena);
  background: var(--spin-calce);
  animation: spin-rise-in var(--spin-spiral) both;
}
[data-design="a"] .spin-funnel__done[hidden] { display: none; }
[data-design="a"] .spin-funnel__done h3 {
  font-family: var(--spin-display);
  font-size: clamp(24px, 3.6vw, 42px);
  letter-spacing: -0.015em;
  color: var(--spin-ferro);
  margin: var(--spin-joint) 0;
}
[data-design="a"] .spin-funnel__done p {
  font-family: var(--spin-body);
  font-size: 18px;
  line-height: 1.55;
  color: var(--spin-ombra);
  max-width: 56ch;
  margin: 0;
}
[data-design="a"] .spin-funnel__done a { color: var(--spin-cotto); }

@keyframes spin-rise-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Trust strip below funnel */
[data-design="a"] .spin-funnel__trust {
  max-width: 1280px;
  margin: var(--spin-course) auto 0;
  border-top: 1px solid var(--spin-serena);
  padding-top: var(--spin-unit);
}
[data-design="a"] .spin-funnel__trust-line {
  font-family: var(--spin-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--spin-ombra);
  margin: 0 0 var(--spin-joint);
}
[data-design="a"] .spin-funnel__trust-phone {
  font-family: var(--spin-mono);
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--spin-ferro);
  margin: 0;
}
[data-design="a"] .spin-funnel__trust-phone a { color: var(--spin-cotto); text-decoration: none; }

@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .spin-funnel__rise { transition: none; }
  [data-design="a"] .spin-funnel__done { animation: none; }
  [data-design="a"] .spin-funnel__choices label,
  [data-design="a"] .spin-funnel__next,
  [data-design="a"] .spin-funnel__submit { transition: none; }
}
@media (max-width: 768px) {
  [data-design="a"] .spin-funnel__block   { grid-template-columns: 40px 1fr auto; padding: var(--spin-unit); }
  [data-design="a"] .spin-funnel__field   { padding: var(--spin-unit); }
  [data-design="a"] .spin-funnel__actions { padding: 0 var(--spin-unit) var(--spin-unit); }
  [data-design="a"] .spin-funnel__input   { padding: var(--spin-joint) var(--spin-unit); }
}

/* ════════════════════════════════════════════════════════════════
   PORTFOLIO (hatched herringbone fallback — no real photos in brief)
   ════════════════════════════════════════════════════════════════ */
[data-design="a"] .spin-portfolio {
  background: var(--spin-calce);
  padding: clamp(64px, 10vw, var(--spin-wall)) clamp(16px, 4vw, 48px);
  border-top: 1px solid var(--spin-serena);
}
[data-design="a"] .spin-portfolio__inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  gap: var(--spin-course);
}
[data-design="a"] .spin-portfolio__title {
  font-family: var(--spin-display);
  font-weight: 600;
  font-size: clamp(28px, 4.8vw, 52px);
  letter-spacing: -0.018em;
  line-height: 1.04;
  color: var(--spin-ferro);
  margin: var(--spin-joint) 0 0;
}
[data-design="a"] .spin-portfolio__sub {
  font-family: var(--spin-body);
  font-size: 18px;
  line-height: 1.55;
  color: var(--spin-ombra);
  max-width: 58ch;
  margin: 0;
}
[data-design="a"] .spin-portfolio__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 480px), 1fr));
  gap: var(--spin-course);
}
[data-design="a"] .spin-portfolio__card {
  background: var(--spin-intonaco);
  border: 1px solid var(--spin-serena);
  border-radius: var(--spin-r-unit);
  overflow: hidden;
}
/* Herringbone hatched fallback image */
[data-design="a"] .spin-portfolio__img {
  width: 100%;
  height: 220px;
  background-color: var(--spin-pietraforte);
  background-image:
    repeating-linear-gradient(45deg,  color-mix(in oklab, var(--spin-ferro), transparent 82%) 0 2px, transparent 2px 18px),
    repeating-linear-gradient(-45deg, color-mix(in oklab, var(--spin-ferro), transparent 82%) 0 2px, transparent 2px 18px);
}
[data-design="a"] .spin-portfolio__img--alt {
  background-color: color-mix(in oklab, var(--spin-pietraforte), var(--spin-serena) 18%);
}
[data-design="a"] .spin-portfolio__meta {
  padding: var(--spin-unit) var(--spin-course);
  display: grid;
  gap: var(--spin-joint);
}
[data-design="a"] .spin-portfolio__card-desc {
  font-family: var(--spin-body);
  font-size: 17px;
  line-height: 1.5;
  color: var(--spin-ferro);
  margin: 0;
}
[data-design="a"] .spin-portfolio__cta-row {
  margin-top: var(--spin-unit);
}

/* ════════════════════════════════════════════════════════════════
   E4 — MATERIALS & METHODS (ambient-b; scroll-linked struck-joint)
   TRIAD-2: genuine scroll-driven animation (joint strikes on scroll)
   ════════════════════════════════════════════════════════════════ */
[data-design="a"] .spin-methods {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(64px, 10vw, var(--spin-wall)) clamp(16px, 4vw, 48px);
  background: var(--spin-pietraforte);
}
[data-design="a"] .spin-methods__field {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--spin-pietraforte);
  animation: spin-methods-cure 16s ease-in-out infinite;
}
[data-design="a"] .spin-methods__inner {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  gap: var(--spin-course);
}
[data-design="a"] .spin-methods .spin-eyebrow {
  color: color-mix(in oklab, var(--spin-ferro), transparent 40%);
}
[data-design="a"] .spin-methods__title {
  font-family: var(--spin-display);
  font-weight: 500;
  font-size: clamp(28px, 4.8vw, 52px);
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--spin-ferro);
  margin: 0;
  max-width: 22ch;
}
[data-design="a"] .spin-methods__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid color-mix(in oklab, var(--spin-ferro), transparent 70%);
}
[data-design="a"] .spin-method {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: var(--spin-unit);
  padding: var(--spin-unit) 0;
  border-bottom: 1px solid color-mix(in oklab, var(--spin-ferro), transparent 78%);
}
/* Scroll-driven joint strike — transform:scaleX (NOT a layout prop) */
[data-design="a"] .spin-method__joint {
  position: absolute;
  left: 0; top: 0;
  height: 2px; width: 100%;
  background: var(--spin-cotto);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--spin-spiral);
}
[data-design="a"] .spin-method.is-struck .spin-method__joint { transform: scaleX(1); }
[data-design="a"] .spin-method__name {
  font-family: var(--spin-body);
  font-size: clamp(17px, 1.6vw, 20px);
  color: var(--spin-ferro);
}
[data-design="a"] .spin-method__spec {
  font-family: var(--spin-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: color-mix(in oklab, var(--spin-ferro), transparent 38%);
  font-variant-numeric: tabular-nums;
  text-align: right;
}
[data-design="a"] .spin-methods__note {
  font-family: var(--spin-mono);
  font-size: 13px;
  line-height: 1.55;
  color: color-mix(in oklab, var(--spin-ferro), transparent 38%);
  margin: 0;
  max-width: 60ch;
}
@keyframes spin-methods-cure {
  0%, 100% { background: var(--spin-pietraforte); }
  50%       { background: color-mix(in oklab, var(--spin-pietraforte), var(--spin-serena) 24%); }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .spin-methods__field { animation-play-state: paused; }
  [data-design="a"] .spin-method__joint  { transition: none; transform: scaleX(1); }
}
@media (max-width: 640px) {
  [data-design="a"] .spin-method { grid-template-columns: 1fr; gap: var(--spin-joint); }
  [data-design="a"] .spin-method__spec { text-align: left; }
}

/* ════════════════════════════════════════════════════════════════
   PROCESS SECTION
   ════════════════════════════════════════════════════════════════ */
[data-design="a"] .spin-process {
  background: var(--spin-intonaco);
  padding: clamp(64px, 10vw, var(--spin-wall)) clamp(16px, 4vw, 48px);
  border-top: 1px solid var(--spin-serena);
}
[data-design="a"] .spin-process__inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  gap: var(--spin-course);
}
[data-design="a"] .spin-process__title {
  font-family: var(--spin-display);
  font-weight: 500;
  font-size: clamp(28px, 4.8vw, 52px);
  letter-spacing: -0.015em;
  line-height: 1.04;
  color: var(--spin-ferro);
  margin: var(--spin-joint) 0 0;
}
[data-design="a"] .spin-process__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: var(--spin-unit);
}
[data-design="a"] .spin-process__step {
  display: grid;
  gap: var(--spin-joint);
  padding: var(--spin-unit);
  border-top: 2px solid var(--spin-serena);
}
[data-design="a"] .spin-process__num {
  font-family: var(--spin-display);
  font-size: 32px;
  color: var(--spin-serena);
  letter-spacing: -0.01em;
}
[data-design="a"] .spin-process__label {
  font-family: var(--spin-display);
  font-size: 20px;
  font-weight: 500;
  color: var(--spin-ferro);
  letter-spacing: -0.01em;
}
[data-design="a"] .spin-process__desc {
  font-family: var(--spin-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--spin-ombra);
}

/* ════════════════════════════════════════════════════════════════
   ABOUT / CONTACT
   ════════════════════════════════════════════════════════════════ */
[data-design="a"] .spin-about {
  background: var(--spin-pietraforte);
  padding: clamp(64px, 10vw, var(--spin-wall)) clamp(16px, 4vw, 48px);
  border-top: 1px solid var(--spin-serena);
}
[data-design="a"] .spin-about__inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  gap: var(--spin-course);
}
[data-design="a"] .spin-about__title {
  font-family: var(--spin-display);
  font-weight: 600;
  font-size: clamp(28px, 4.8vw, 52px);
  letter-spacing: -0.018em;
  line-height: 1.04;
  color: var(--spin-ferro);
  margin: var(--spin-joint) 0 0;
}
[data-design="a"] .spin-about__body {
  font-family: var(--spin-body);
  font-size: 18px;
  line-height: 1.55;
  color: var(--spin-ferro);
  max-width: 58ch;
  margin: 0;
}
[data-design="a"] .spin-about__phone {
  font-family: var(--spin-mono);
  font-size: clamp(22px, 3.5vw, 40px);
  letter-spacing: -0.01em;
  color: var(--spin-ferro);
  text-decoration: none;
  display: block;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .spin-about__phone:hover { color: var(--spin-cotto); }
}
[data-design="a"] .spin-about__cta { margin-top: var(--spin-joint); }

/* ════════════════════════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════════════════════════ */
[data-design="a"] .spin-footer {
  background: var(--spin-ferro);
  padding: clamp(48px, 7vw, 80px) clamp(16px, 4vw, 48px);
  position: relative;
  overflow: hidden;
}
[data-design="a"] .spin-footer__inner {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
}
[data-design="a"] .spin-footer__guide {
  position: absolute;
  left: -10%;
  right: -10%;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--spin-serena) 50%, transparent);
  animation: spin-footer-guide var(--spin-guide) linear infinite;
}
@keyframes spin-footer-guide {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
[data-design="a"] .spin-footer__block {
  display: grid;
  gap: var(--spin-joint);
}
[data-design="a"] .spin-footer__firm {
  font-family: var(--spin-display);
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--spin-intonaco);
  margin: 0;
}
[data-design="a"] .spin-footer__meta,
[data-design="a"] .spin-footer__copy {
  font-family: var(--spin-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--spin-ombra);
  margin: 0;
}
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .spin-footer__guide { animation: none; transform: translateX(0); opacity: 0.3; }
}

/* ════════════════════════════════════════════════════════════════
   MOBILE GUARD — all rules scoped to .dq-design
   ════════════════════════════════════════════════════════════════ */
@media (max-width: 560px) {
  [data-design="a"].dq-design .spin-header__bar  { padding: 14px 16px; }
  [data-design="a"].dq-design .spin-logo__mark   { font-size: 14px; }
  [data-design="a"].dq-design .spin-hero         { padding-left: 16px; padding-right: 16px; }
  [data-design="a"].dq-design .spin-process__steps { 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; }