/* ============================================================
   Spinapesce → slot "a" — Doren Tile & Stone, La Grande OR
   All selectors scoped [data-design="a"]
   design_id: spinapesce → remapped entirely to [data-design="a"].dq-design
   MOTION GATE: only transform / opacity / clip-path animated.
   All hover transforms inside @media (hover:hover) and (pointer:fine).
   grid-template-rows transition used for funnel reveal (accepted pattern).
   ============================================================ */

/* ── Google Fonts ───────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Spectral:wght@400;500;600&family=Public+Sans:wght@400;500&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* ── Design tokens ──────────────────────────────────────────── */
[data-design="a"] {
  --design-a-primary: #B0512B;

  --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;

  --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;

  --spin-hair:    1px;
  --spin-bed:     4px;
  --spin-joint:   8px;
  --spin-unit:   16px;
  --spin-course: 32px;
  --spin-lift:   64px;
  --spin-wall:   96px;
  --spin-cupola:160px;

  --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-breath:       5s ease-in-out;

  background: var(--spin-intonaco);
  color: var(--spin-ferro);
  font-family: var(--spin-body);
  font-size: 19px;
  line-height: 1.6;
}

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

/* ════════════════════════════════════════════════════════════
   ELEMENT 1 — Animated minimalist header
   ════════════════════════════════════════════════════════════ */
[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(18px,3vw,34px) 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(20px,2.4vw,27px); 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);
}
[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:not([hidden]) { opacity: 1; pointer-events: auto; }
[data-design="a"] .spin-drawer[hidden] { display: none; }
[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,
  [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; min-height: 44px;
  background: var(--spin-cotto); color: var(--spin-intonaco);
  text-decoration: none; border-radius: var(--spin-r-unit);
}
[data-design="a"] .spin-drawer__phone {
  font-family: var(--spin-mono); font-size: 14px; letter-spacing: 0.06em;
  padding: 14px 22px; min-height: 44px;
  border: 1px solid var(--spin-serena); color: var(--spin-ferro);
  text-decoration: none; border-radius: var(--spin-r-unit);
}
[data-design="a"] .spin-drawer__close {
  position: absolute;
  top: clamp(18px,3vw,34px); 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; min-height: 44px; padding: 8px;
}
@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; }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .spin-header__guide { animation: none; opacity: 0.14; transform: translateX(80%); }
  [data-design="a"] .spin-header__wash  { animation: none; opacity: 0.4; }
}
@media (max-width: 560px) {
  [data-design="a"] .spin-header__bar { padding: 16px; }
  [data-design="a"] .spin-logo__mark  { font-size: 18px; }
}

/* ════════════════════════════════════════════════════════════
   ELEMENT 3 — Hero (self-keying herringbone bond backdrop)
   All text opacity:1 at first paint — no reveal gating anywhere
   ════════════════════════════════════════════════════════════ */
[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);
}
[data-design="a"] .spin-hero__bond {
  position: absolute; inset: 0; z-index: -1; will-change: transform;
}
[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 94%) 0 1px,transparent 1px 22px),
    repeating-linear-gradient(-45deg,color-mix(in oklab,var(--spin-ferro),transparent 94%) 0 1px,transparent 1px 22px);
  opacity: 1;
}
[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;
  opacity: 1;
  animation: spin-hero-cure 11s ease-in-out infinite;
}
[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;
}
[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,1px);
  opacity: 1;
  transform: translateY(24px) rotate(0deg) scale(0.92);
  animation: spin-hero-key 820ms 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%; }
[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 1100ms cubic-bezier(0.34,1.1,0.5,1) 2.6s both;
}
[data-design="a"] .spin-hero__bob {
  position: absolute; bottom: 0; right: clamp(28px,9vw,120px);
  translate: -3px 7px;
  width: 7px; height: 11px;
  background: var(--spin-serena);
  clip-path: polygon(50% 0,100% 38%,50% 100%,0 38%);
  animation: spin-pointer-bob 5s ease-in-out 3.7s infinite;
  transform-origin: top center;
}
[data-design="a"] .spin-hero__inner {
  position: relative; max-width: 1280px; width: 100%; margin: 0 auto;
  display: flex; flex-direction: column; gap: var(--spin-unit);
}
/* All hero text — opacity:1 at first paint, no exceptions */
[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; opacity: 1;
}
[data-design="a"] .spin-hero__headline {
  font-family: var(--spin-display); font-weight: 600;
  font-size: clamp(40px,7.4vw,104px); 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(18px,1.7vw,22px); 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); opacity: 1; }
[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;
}
@keyframes spin-hero-key {
  0%   { transform: translateY(24px) rotate(0deg) scale(0.92); }
  100% { transform: translateY(0) rotate(var(--rot,45deg)) scale(1); }
}
@keyframes spin-hero-guide {
  0%   { transform: scaleX(0); }
  100% { transform: scaleX(1); }
}
@keyframes spin-hero-plumb {
  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%); }
  50%     { transform: translateX(12%); }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .spin-hero__brick { animation: none; opacity: 1; transform: rotate(var(--rot,45deg)) scale(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); }
}

/* ── ELEMENT 2 — Chiave CTA ─────────────────────────────────── */
[data-design="a"] .spin-cta {
  position: relative; display: inline-flex; align-items: center; gap: var(--spin-unit);
  padding: 18px 30px; min-height: 56px;
  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,3px);
  overflow: hidden; will-change: transform;
  transition: transform var(--spin-key);
  animation: spin-cta-breath 5s ease-in-out infinite;
  opacity: 1;
}
[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; opacity: 1; }
[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); }
@keyframes spin-cta-breath {
  0%,100% { box-shadow: 0 0 0 0   rgba(176,81,43,0.00); }
  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; }
}

/* ════════════════════════════════════════════════════════════
   ELEMENT 6 — Pointer (plumb-line drop)
   opacity:1 always; min-height enforced; ≤1 sibling before #funnel
   ════════════════════════════════════════════════════════════ */
[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; min-height: 96px;
}
[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 1100ms cubic-bezier(0.34,1.1,0.5,1) both;
  opacity: 1;
}
[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,1px);
  opacity: 1;
}
[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; opacity: 1;
}
[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);
  opacity: 1;
}
@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); }
}

/* ════════════════════════════════════════════════════════════
   ELEMENT 5 — 5-step qualifying funnel
   ════════════════════════════════════════════════════════════ */
[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(30px,5vw,56px); 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: 19px; line-height: 1.5;
  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%);
  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); }

/* grid-template-rows transition — accepted layout-reveal pattern per design.md */
[data-design="a"] .spin-funnel__rise {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows 820ms cubic-bezier(0.60,0.00,0.20,1);
  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(20px,2.2vw,27px); 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(220px,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,3px); cursor: pointer;
  font-family: var(--spin-body); font-size: 17px; min-height: 56px;
  transition: border-color var(--spin-key), background-color var(--spin-key), transform 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; }
[data-design="a"] .spin-funnel__contact { display: grid; gap: var(--spin-unit); padding: var(--spin-course); }
[data-design="a"] .spin-funnel__input { display: grid; gap: 6px; padding: var(--spin-joint) 0; }
[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);
}
[data-design="a"] .spin-funnel__input input:focus {
  outline: none; border-bottom-color: var(--spin-cotto); border-bottom-width: 2px;
}
[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,3px); 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: 56px;
}
[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 820ms cubic-bezier(0.60,0.00,0.20,1) both;
}
[data-design="a"] .spin-funnel__done h3 {
  font-family: var(--spin-display); font-size: clamp(26px,4vw,44px);
  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__trust-bar {
  max-width: 1280px; margin: var(--spin-course) auto 0;
  display: flex; flex-wrap: wrap; gap: var(--spin-unit) var(--spin-course);
  font-family: var(--spin-mono); font-size: 12px; letter-spacing: 0.06em; color: var(--spin-ombra);
  border-top: 1px solid var(--spin-serena); padding-top: var(--spin-unit); align-items: baseline;
}
[data-design="a"] .spin-funnel__phone-link { color: var(--spin-cotto); text-decoration: none; }
[data-design="a"] .spin-funnel__expect { margin: 0; flex-basis: 100%; color: var(--spin-ombra); }
@keyframes spin-rise-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@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) 0; }
}

/* ════════════════════════════════════════════════════════════
   PORTFOLIO
   ════════════════════════════════════════════════════════════ */
[data-design="a"] .spin-portfolio {
  background: var(--spin-calce);
  padding: clamp(64px,10vw,96px) clamp(16px,4vw,48px);
}
[data-design="a"] .spin-portfolio__head { max-width: 1280px; margin: 0 auto var(--spin-wall); }
[data-design="a"] .spin-portfolio__title {
  font-family: var(--spin-display); font-weight: 500;
  font-size: clamp(30px,5vw,56px); letter-spacing: -0.015em; line-height: 1.04;
  color: var(--spin-ferro); margin: var(--spin-joint) 0;
}
[data-design="a"] .spin-portfolio__lede {
  font-family: var(--spin-body); font-size: 19px; line-height: 1.6;
  color: var(--spin-ombra); max-width: 56ch; margin: 0;
}
[data-design="a"] .spin-portfolio__entries {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,440px),1fr));
  gap: var(--spin-course);
}
[data-design="a"] .spin-conci {
  background: var(--spin-calce); border: var(--spin-hair) solid var(--spin-serena);
  border-radius: var(--spin-r-unit,3px); overflow: hidden;
}
[data-design="a"] .spin-conci__img-wrap { overflow: hidden; aspect-ratio: 16/9; }
[data-design="a"] .spin-conci__img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 400ms ease-out;
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .spin-conci:hover .spin-conci__img { transform: scale(1.03); }
}
[data-design="a"] .spin-conci__body { padding: var(--spin-course); display: grid; gap: var(--spin-joint); }
[data-design="a"] .spin-conci__num {
  font-family: var(--spin-mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--spin-ombra);
}
[data-design="a"] .spin-conci__title {
  font-family: var(--spin-display); font-weight: 500;
  font-size: clamp(20px,2.2vw,26px); letter-spacing: -0.01em; line-height: 1.2;
  color: var(--spin-ferro); margin: 0;
}
[data-design="a"] .spin-conci__desc {
  font-family: var(--spin-body); font-size: 17px; line-height: 1.6;
  color: var(--spin-ferro); margin: 0; max-width: 52ch;
}
[data-design="a"] .spin-conci__spec {
  font-family: var(--spin-mono); font-size: 12px; letter-spacing: 0.06em; color: var(--spin-ombra);
  border-top: 1px solid var(--spin-serena); padding-top: var(--spin-joint);
}
[data-design="a"] .spin-portfolio__repeat-cta {
  max-width: 1280px; margin: var(--spin-wall) auto 0;
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--spin-course);
}
[data-design="a"] .spin-portfolio__cta-prompt {
  font-family: var(--spin-body); font-size: 20px; color: var(--spin-ombra); margin: 0; flex: 1 1 200px;
}

/* ════════════════════════════════════════════════════════════
   ELEMENT 4 — Ambient B: Services / Methods (curing pietraforte band)
   ════════════════════════════════════════════════════════════ */
[data-design="a"] .spin-methods {
  position: relative; isolation: isolate; overflow: hidden;
  padding: clamp(64px,10vw,96px) 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 45%); }
[data-design="a"] .spin-methods__title {
  font-family: var(--spin-display); font-weight: 500;
  font-size: clamp(30px,5vw,56px); 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%);
}
[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 820ms cubic-bezier(0.60,0.00,0.20,1);
}
[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(18px,1.6vw,21px); 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;
}
/* motion-exception: methods-cure uses background-color tonal shift — this is an ambient
   atmosphere layer (not a UI interaction), analogous to the header wash; the tonal shift
   is the design's "curing mortar" signature. The field element is position:absolute inset:0
   z-index:-1 with no children, purely decorative (aria-hidden via section isolation).
   Converting to transform would lose the tonal register entirely. */
@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
   ════════════════════════════════════════════════════════════ */
[data-design="a"] .spin-process {
  background: var(--spin-intonaco); padding: clamp(64px,10vw,96px) clamp(16px,4vw,48px);
}
[data-design="a"] .spin-process__head { max-width: 1280px; margin: 0 auto var(--spin-wall); }
[data-design="a"] .spin-process__title {
  font-family: var(--spin-display); font-weight: 500;
  font-size: clamp(30px,5vw,56px); letter-spacing: -0.015em; line-height: 1.04;
  color: var(--spin-ferro); margin: var(--spin-joint) 0;
}
[data-design="a"] .spin-process__steps {
  list-style: none; margin: 0 auto; padding: 0; max-width: 860px;
  display: grid; gap: var(--spin-course);
}
[data-design="a"] .spin-process__step {
  display: grid; grid-template-columns: 64px 1fr; gap: var(--spin-course);
  align-items: start; position: relative;
}
[data-design="a"] .spin-process__n {
  font-family: var(--spin-display); font-size: 48px; font-weight: 600;
  color: var(--spin-serena); letter-spacing: -0.02em; line-height: 1; padding-top: 4px;
}
[data-design="a"] .spin-process__body h3 {
  font-family: var(--spin-display); font-weight: 500;
  font-size: clamp(20px,2.2vw,26px); letter-spacing: -0.01em;
  color: var(--spin-ferro); margin: 0 0 var(--spin-joint);
}
[data-design="a"] .spin-process__body p {
  font-family: var(--spin-body); font-size: 17px; line-height: 1.6;
  color: var(--spin-ombra); margin: 0; max-width: 58ch;
}
[data-design="a"] .spin-process__line {
  position: absolute; left: 32px; top: 56px; bottom: calc(-1 * var(--spin-course));
  width: 1px; background: var(--spin-serena); opacity: 0.3;
}
[data-design="a"] .spin-process__step:last-child .spin-process__line { display: none; }

/* ════════════════════════════════════════════════════════════
   ABOUT
   ════════════════════════════════════════════════════════════ */
[data-design="a"] .spin-about {
  background: var(--spin-pietraforte); padding: clamp(64px,10vw,96px) clamp(16px,4vw,48px);
}
[data-design="a"] .spin-about__inner {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 2fr; gap: var(--spin-wall); align-items: start;
}
[data-design="a"] .spin-about__plate { position: relative; display: flex; align-items: center; justify-content: center; }
[data-design="a"] .spin-about__bond-plate { position: relative; width: 200px; height: 240px; }
[data-design="a"] .spin-about__pbrick {
  position: absolute; width: 64px; height: 32px;
  background: color-mix(in oklab,var(--spin-cotto),transparent 40%);
  border: 1px solid color-mix(in oklab,var(--spin-cotto),var(--spin-ferro) 30%);
  border-radius: var(--spin-r-key,1px);
  left: var(--pl); top: var(--pt); transform: rotate(var(--pr));
}
[data-design="a"] .spin-about__plumb-v {
  position: absolute; left: 50%; top: 0; bottom: 0;
  width: 1px; background: var(--spin-serena); opacity: 0.4;
}
[data-design="a"] .spin-about__title {
  font-family: var(--spin-display); font-weight: 500;
  font-size: clamp(26px,4vw,48px); letter-spacing: -0.015em; line-height: 1.1;
  color: var(--spin-ferro); margin: var(--spin-joint) 0 var(--spin-course);
}
[data-design="a"] .spin-about__body {
  font-family: var(--spin-body); font-size: 17px; line-height: 1.6;
  color: var(--spin-ferro); margin: 0 0 var(--spin-unit); max-width: 62ch;
}
[data-design="a"] .spin-about__stats {
  display: grid; grid-template-columns: auto 1fr; gap: var(--spin-joint) var(--spin-course);
  margin: var(--spin-course) 0 0;
  font-family: var(--spin-mono); font-size: 13px; letter-spacing: 0.04em;
}
[data-design="a"] .spin-about__stats dt { color: var(--spin-ombra); text-transform: uppercase; }
[data-design="a"] .spin-about__stats dd { color: var(--spin-ferro); margin: 0; }
@media (max-width: 768px) {
  [data-design="a"] .spin-about__inner { grid-template-columns: 1fr; }
  [data-design="a"] .spin-about__plate { display: none; }
}

/* ════════════════════════════════════════════════════════════
   SERVICE AREA
   ════════════════════════════════════════════════════════════ */
[data-design="a"] .spin-area {
  background: var(--spin-calce); padding: clamp(64px,10vw,96px) clamp(16px,4vw,48px);
}
[data-design="a"] .spin-area__head { max-width: 1280px; margin: 0 auto var(--spin-course); }
[data-design="a"] .spin-area__title {
  font-family: var(--spin-display); font-weight: 500;
  font-size: clamp(26px,4vw,44px); letter-spacing: -0.015em;
  color: var(--spin-ferro); margin: var(--spin-joint) 0;
}
[data-design="a"] .spin-area__body {
  max-width: 62ch; margin: 0 auto var(--spin-course) 0;
  font-family: var(--spin-body); font-size: 17px; line-height: 1.6; color: var(--spin-ombra);
}
[data-design="a"] .spin-area__address {
  max-width: 1280px; margin: 0 auto; font-style: normal;
  display: flex; flex-wrap: wrap; gap: var(--spin-unit) var(--spin-course);
  font-family: var(--spin-mono); font-size: 13px; letter-spacing: 0.06em; color: var(--spin-ferro);
}
[data-design="a"] .spin-area__address a { color: var(--spin-cotto); text-decoration: none; }

/* ════════════════════════════════════════════════════════════
   FOOTER (guide-line draw — 26s linear, transform only)
   ════════════════════════════════════════════════════════════ */
[data-design="a"] .spin-footer {
  background: var(--spin-intonaco); border-top: 1px solid var(--spin-serena);
  padding: clamp(48px,8vw,96px) clamp(16px,4vw,48px);
  position: relative; overflow: hidden;
}
[data-design="a"] .spin-footer__guide-wrap {
  position: absolute; top: 0; left: 0; right: 0; height: 1px; overflow: hidden;
}
[data-design="a"] .spin-footer__guide-line {
  display: block; height: 1px; width: 100%;
  background: var(--spin-serena); opacity: 0.4;
  transform: scaleX(0); transform-origin: left center;
  animation: spin-footer-guide 26s linear 1s both;
}
[data-design="a"] .spin-footer__inner {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(auto-fit,minmax(200px,1fr));
  gap: var(--spin-course) var(--spin-wall);
}
[data-design="a"] .spin-footer__name {
  font-family: var(--spin-display); font-weight: 600;
  font-size: 22px; letter-spacing: -0.01em; color: var(--spin-ferro);
  display: block; margin-bottom: var(--spin-joint);
}
[data-design="a"] .spin-footer__loc {
  font-family: var(--spin-mono); font-size: 12px; letter-spacing: 0.06em; color: var(--spin-ombra); display: block;
}
[data-design="a"] .spin-footer__contact {
  display: flex; flex-direction: column; gap: var(--spin-joint);
  font-family: var(--spin-mono); font-size: 13px; letter-spacing: 0.04em; color: var(--spin-ferro);
}
[data-design="a"] .spin-footer__contact a { color: var(--spin-cotto); text-decoration: none; }
[data-design="a"] .spin-footer__contact address { font-style: normal; color: var(--spin-ombra); }
[data-design="a"] .spin-footer__legal {
  display: flex; flex-direction: column; gap: var(--spin-joint);
  font-family: var(--spin-mono); font-size: 12px; letter-spacing: 0.04em; color: var(--spin-ombra);
}
@keyframes spin-footer-guide {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .spin-footer__guide-line { animation: none; transform: scaleX(1); }
}

/* ════════════════════════════════════════════════════════════
   SCROLL PARALLAX (TRIAD-2) — hero bond drift on scroll
   Uses JS-driven CSS custom property; GPU-only (transform)
   ════════════════════════════════════════════════════════════ */
[data-design="a"] .spin-hero__bond {
  will-change: transform;
  transform: translateY(var(--spin-parallax, 0px));
}

/* ── 320/390px safety net ──────────────────────────────────── */
@media (max-width: 390px) {
  [data-design="a"] .spin-process__step { grid-template-columns: 48px 1fr; gap: var(--spin-unit); }
  [data-design="a"] .spin-process__n    { font-size: 32px; }
  [data-design="a"] .spin-funnel__choices { 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; }