/* Passe 02 — scène autonome. Les valeurs par défaut sont la composition finale.
   Seul JS active l'épinglage, si la scène tient entièrement dans la fenêtre. */
.hero-build {
  --build-night: #0b0f19;
  --blue: #007bff;
  --ink: #f5f4ee;
  --muted: #abb5c8;
  --line: #ffffff26;
  --build-grid: .12;
  --build-guide: 0;
  --build-dash: 0;
  --build-frame: 0%;
  --build-selection: 0;
  --build-route-dash: 0;
  --build-type-scale: 1;
  --build-tilt: 0deg;
  --build-panel-scale: 1;
  --build-shell: 1;
  --build-part-x: 0px;
  --build-part-y: 0px;
  --build-part-turn: 0deg;
  --build-part-scale: 1;
  --build-round: 50%;
  --build-core-turn: 0deg;
  --build-shift: 0px;
  --build-panel-x: 0px;
  --build-panel-y: 0px;
  --build-rotation: 0deg;
  --build-orbit: 0%;
  --build-satellite: 0px;
  --build-controls: 0px;
  --build-meter: 1;
  position: relative;
  z-index: 5;
  isolation: isolate;
  padding: 0;
  color: var(--ink);
  background: var(--build-night);
}
.hero-build-stage {
  position: relative;
  isolation: isolate;
  overflow: clip;
  width: 100%;
  padding-top: 30px;
  padding-bottom: 22px;
  background: radial-gradient(ellipse at 88% 38%, #17356642, transparent 55%), var(--build-night);
}
.hero-build-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: linear-gradient(#7d9dd4 1px, transparent 1px), linear-gradient(90deg, #7d9dd4 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, transparent, black);
  opacity: var(--build-grid);
}
.hero-build.is-pinned { height: calc(var(--build-stage-height) + var(--build-distance)); }
.hero-build.is-pinned .hero-build-stage { position: sticky; top: 0; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; }
.hero-build .hero-meta { margin-bottom: 32px; }
.hero-build .hero-layout { gap: clamp(24px, 4vw, 64px); grid-template-columns: 1.25fr 1fr; perspective: 1200px; }
.hero-build .hero-copy { min-width: 0; }
.hero-build h1 { position: relative; font-size: clamp(54px, 6.8vw, 100px); }
.hero-build h1::after {
  content: "";
  position: absolute;
  inset: 28px -12px -16px;
  border: 2px solid #007bff;
  opacity: var(--build-selection);
  clip-path: inset(0 var(--build-frame) 0 0);
  pointer-events: none;
}
.hero-build h1::before {
  content: "";
  position: absolute;
  inset: 25px -15px -19px;
  background:
    linear-gradient(var(--lime) 0 0) left top / 7px 7px no-repeat,
    linear-gradient(var(--lime) 0 0) right top / 7px 7px no-repeat,
    linear-gradient(var(--lime) 0 0) left bottom / 7px 7px no-repeat,
    linear-gradient(var(--lime) 0 0) right bottom / 7px 7px no-repeat;
  opacity: var(--build-selection);
  pointer-events: none;
}
.hero-build .hero-role { color: var(--muted); }
.build-line { display: inline-block; transform-origin: left center; }
.build-line-one { transform: translateX(calc(var(--build-shift) * .6)) scale(var(--build-type-scale)); }
.build-line-two { transform: translateX(var(--build-shift)) scale(var(--build-type-scale)); }
.build-line-three { transform: scale(var(--build-type-scale)); }
.hero-build .hero-last > em { color: var(--lime); }
.hero-build .hero-last > svg { stroke: var(--lime); stroke-dasharray: 1; stroke-dashoffset: var(--build-dash); }
.hero-build .hero-description { position: relative; margin-top: 34px; }
.hero-build .button-dark { background: var(--lime); color: var(--build-night); }
.hero-build .button-dark:hover { background: var(--ink); }
.hero-build :is(a, button):focus-visible { outline-color: var(--lime); }
.hero-build .text-link:hover { color: var(--lime); border-color: var(--lime); }
.hero-build .status-dot { background: var(--lime); box-shadow: 0 0 0 4px #d8f36a12; }
.hero-build .playground {
  margin: 0 12px;
  background: rgb(16 25 41 / var(--build-shell));
  border-color: rgb(113 134 163 / var(--build-shell));
  border-radius: 2px;
  box-shadow: 12px 12px 0 #007bff0d;
  transform: translate(var(--build-panel-x), var(--build-panel-y)) rotateY(var(--build-tilt)) rotate(var(--build-rotation)) scale(var(--build-panel-scale));
  transition: none;
}
.hero-build .playground::before {
  content: "";
  position: absolute;
  inset: -12px;
  border: 2px solid #007bff;
  opacity: var(--build-selection);
  box-shadow: 0 0 0 1px #007bff33;
  transform: rotate(calc(var(--build-rotation) * -.5));
  clip-path: inset(0 0 var(--build-frame) 0);
  pointer-events: none;
}
.hero-build :is(.playground-top, .playground-bottom) { border-color: var(--line); }
.hero-build .playground-top { color: var(--ink); transform: translateX(calc(var(--build-controls) * -.5)); }
.hero-build .orbit-scene { overflow: visible; pointer-events: none; }
.build-orbit-part { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; }
.build-orbit-one { transform: translate(calc(var(--build-part-x) * -1), calc(var(--build-part-y) * -1)) rotate(var(--build-part-turn)) scale(var(--build-part-scale)); }
.build-orbit-two { transform: translateX(var(--build-part-x)) rotate(calc(var(--build-part-turn) * -1)) scale(var(--build-part-scale)); }
.build-orbit-three { transform: translateY(var(--build-part-y)) rotate(var(--build-part-turn)) scale(var(--build-part-scale)); }
.hero-build.is-building :is(.orbit, .satellite, .orbit-spark) { animation: none; }
.hero-build .orbit-center { transform: rotate(var(--build-core-turn)) scale(var(--build-part-scale)); }
.hero-build .scene-grid { background-image: linear-gradient(#9db9e512 1px, transparent 1px), linear-gradient(90deg, #9db9e512 1px, transparent 1px); }
.hero-build .orbit { border-width: 2px; border-color: #489eff; border-radius: var(--build-round); clip-path: inset(0 var(--build-orbit) 0 0); }
.hero-build .orbit-two { border-color: #a475df; }
.hero-build .orbit-three { border-color: #d8f36ab3; }
.hero-build .orbit-one::after { border-color: #101929; background: var(--lime); }
.hero-build .orbit-word { color: var(--ink); }
.hero-build .satellite { background: #162236; border-color: #7c95bc66; color: var(--ink); box-shadow: 3px 3px 0 #007bff1a; translate: calc(var(--build-satellite) * -.7) calc(var(--build-satellite) * -1); rotate: calc(var(--build-core-turn) * -.5); }
.hero-build .satellite-two { translate: var(--build-satellite) 0; }
.hero-build .satellite-three { translate: calc(var(--build-satellite) * -.5) var(--build-satellite); }
.hero-build .playground-bottom { transform: translate(var(--build-controls), var(--build-controls)) rotate(calc(var(--build-rotation) * -.5)); }
.hero-build .demo-tabs button { border-color: #7c95bc77; }
.hero-build .demo-tabs .is-active { background: var(--lime); border-color: var(--lime); color: var(--build-night); }
.hero-build .demo-tabs button:hover { border-color: var(--lime); }
.hero-build .hero-bottom { margin-top: 38px; }
.build-drawing { position: absolute; inset: 0; z-index: -1; pointer-events: none; color: #007bff; }
.build-drawing svg { width: 100%; height: 100%; }
.build-guides { opacity: var(--build-guide); stroke-dasharray: 1; stroke-dashoffset: var(--build-dash); }
.build-route { stroke: #a66aef; stroke-width: 3; stroke-dasharray: 1; stroke-dashoffset: var(--build-route-dash); opacity: var(--build-guide); }
.build-dimensions { opacity: var(--build-selection); stroke-dasharray: 1; stroke-dashoffset: var(--build-dash); transform: translateX(calc(var(--build-panel-x) * .3)); }
.build-dimensions text { font: 11px "Courier New", monospace; letter-spacing: 2px; }
.hero-build .hero-description::before { content: ""; position: absolute; inset: -8px -12px; border-left: 2px solid #a66aef; border-bottom: 2px solid #a66aef; transform-origin: left; transform: scaleX(calc(1 - var(--build-dash))); opacity: var(--build-selection); pointer-events: none; }
.build-points { fill: var(--lime); opacity: calc((1 - var(--build-meter)) * .15 + var(--build-guide) * .85); transform: translateY(var(--build-shift)); }
.build-crosses { opacity: var(--build-guide); transform: translateX(var(--build-shift)); }
.build-timeline { display: flex; align-items: center; gap: 18px; margin-top: 22px; font: 9px/1.5 "Courier New", monospace; letter-spacing: 1px; color: var(--muted); }
.build-phase { min-width: 155px; color: var(--lime); }
.build-meter { height: 2px; flex: 1; background: #ffffff20; }
.build-meter i { display: block; height: 100%; background: var(--blue); transform: scaleX(var(--build-meter)); transform-origin: left; }
@media (max-width: 999px) {
  .hero-build .hero-layout { gap: 26px; }
  .hero-build h1 { font-size: 7vw; }
  .hero-build .playground { margin-inline: 5px; }
  .hero-build-stage { padding-block: 28px; }
}
@media (max-width: 620px) {
  .hero-build .hero-layout { grid-template-columns: 1fr; gap: 40px; }
  .hero-build h1 { font-size: clamp(40px, 11.8vw, 74px); }
  .hero-build .hero-meta { margin-bottom: 28px; }
  .hero-build .hero-description { margin-top: 30px; }
  .hero-build .hero-bottom { margin-top: 28px; }
  .hero-build .playground { margin: 0 12px; }
  .hero-build .orbit-scene { height: 235px; }
  .hero-build h1::after { inset-inline: -6px; }
  .build-timeline { font-size: 8px; gap: 10px; }
  .build-phase { min-width: 140px; }
  .build-drawing { opacity: .8; }
  .build-dimensions text { display: none; }
}
/* CSS de secours immédiat, y compris avant l'initialisation du script. */
.motion-paused .hero-build { height: auto; }
.motion-paused .hero-build .hero-build-stage { position: relative; }
@media (prefers-reduced-motion: reduce) {
  .hero-build.is-pinned { height: auto; }
  .hero-build.is-pinned .hero-build-stage { position: relative; }
}