/* HighCloud splash — extrait de HighCloud-splash-autonome.html */
#hc-boot{
  --p-navy-950:#060d1a;
  --p-navy-900:#0b1528;
  --p-navy-700:#1e3358;
  --p-blue-500:#0073e6;
  --p-blue-300:#4da6ff;
  --p-ice-100:#e4ebf8;
  --p-ice-300:#9eb6d9;
  --bg:var(--p-navy-950);
  --surface:var(--p-navy-900);
  --line:var(--p-navy-700);
  --text:var(--p-ice-100);
  --text-secondary:var(--p-ice-300);
  --accent:var(--p-blue-300);
  --accent-strong:var(--p-blue-500);
  --splash-bg:var(--bg);
  --readout-track:var(--line);
  --ease-out:cubic-bezier(.16,1,.3,1);
  position:fixed;
  inset:0;
  z-index:9999;
  display:block;
  min-height:100dvh;
  background:var(--splash-bg);
  opacity:1;
  visibility:visible;
  pointer-events:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  /* Iris fermé : splash opaque. À la sortie, le trou s’ouvre depuis le centre. */
  --hc-iris:0%;
  -webkit-mask-image:radial-gradient(circle at 50% 42%,transparent 0,transparent var(--hc-iris),#000 calc(var(--hc-iris) + 0.5%));
  mask-image:radial-gradient(circle at 50% 42%,transparent 0,transparent var(--hc-iris),#000 calc(var(--hc-iris) + 0.5%));
  transition:--hc-iris 1.15s cubic-bezier(0.65,0,0.35,1);
  will-change:--hc-iris;
}
@property --hc-iris{
  syntax:"<percentage>";
  inherits:false;
  initial-value:0%;
}
/* Ouverture : le trou s’élargit, le site apparaît au centre */
#hc-boot.hc-boot-exiting{
  --hc-iris:150%;
  pointer-events:none;
}
#hc-boot.hc-boot-exiting .splash__stage{
  opacity:0;
  transform:scale(1.08);
  transition:opacity 0.45s ease-out,transform 0.7s cubic-bezier(0.22,1,0.36,1);
}
#hc-boot.hc-boot-exiting .readout{
  opacity:0;
  transition:opacity 0.28s ease-out;
}
#hc-boot.hc-boot-exiting .splash__ambient{
  opacity:0;
  transition:opacity 0.4s ease-out;
}
#hc-boot .splash{position:absolute;inset:0;z-index:1;min-height:100dvh;overflow:hidden;background:var(--splash-bg)}
#hc-boot [hidden]{display:none!important}
#hc-boot svg,#hc-boot img{display:block;max-width:100%;height:auto}

.splash__ambient{position:absolute;inset:0;pointer-events:none;overflow:hidden;background:radial-gradient(ellipse at 50% 43%,color-mix(in oklch,var(--accent-strong) 8%,transparent),transparent 52%)}
.splash__ambient::before{content:"";position:absolute;left:50%;top:44%;width:74vmin;height:74vmin;border:1px solid color-mix(in oklch,var(--line) 40%,transparent);border-radius:50%;transform:translate(-50%,-50%);opacity:.35}
.flight-ring{position:absolute;left:50%;top:44%;width:58vmin;height:58vmin;border:1px solid color-mix(in oklch,var(--accent) 34%,transparent);border-radius:50%;opacity:0;transform:translate(-50%,-50%) scale(.45) rotate(-100deg);animation:ring-arrive 2400ms 100ms var(--ease-out) forwards}
.flight-ring::before{content:"";position:absolute;left:50%;top:-3px;width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 22px var(--accent)}
.splash__stage{position:absolute;z-index:2;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:64px 24px 104px;opacity:1;transform:scale(1)}
.logo-lockup{position:relative;isolation:isolate;width:76vw;max-width:600px;display:flex;flex-direction:column;align-items:center}
.logo-lockup::before{content:"";position:absolute;z-index:3;left:-8%;right:-8%;top:35%;height:1px;background:linear-gradient(90deg,transparent,var(--accent),var(--text),var(--accent),transparent);box-shadow:0 0 18px var(--accent);opacity:0;transform:scaleX(0);animation:assembly-line 1700ms 80ms cubic-bezier(1,0,0,1) forwards}
.logo-lockup::after{content:"";position:absolute;z-index:-1;inset:-28% -12%;background:radial-gradient(ellipse,color-mix(in oklch,var(--accent-strong) 13%,transparent),transparent 66%);opacity:0;animation:glow-in 1200ms 1200ms ease-out forwards}
.logo-emblem{position:relative;z-index:2;width:48vw;max-width:360px;opacity:0;clip-path:inset(49% 50% 49% 50%);transform:translateY(32px) scale(.5);animation:emblem-assemble 1500ms 180ms cubic-bezier(1,0,0,1) forwards,emblem-idle 4.8s 2200ms ease-in-out infinite;filter:drop-shadow(0 0 24px color-mix(in oklch,var(--accent) 18%,transparent))}
.logo-emblem svg,.logo-emblem img{width:100%;height:auto}
.logo-wordmark{position:relative;z-index:2;width:100%;margin-top:clamp(12px,2.5vh,28px);clip-path:inset(0 50% 0 50%);opacity:0;animation:wordmark-assemble 1350ms 850ms cubic-bezier(1,0,0,1) forwards}
.logo-wordmark svg{width:100%;height:auto}
.maple-leaf{opacity:.15;animation:maple-ignite 700ms 1850ms ease-out forwards}
/* Petit flash MD (FR) — logo corrigé kit érable-3 */
[data-logo="fr"]{position:relative}
.trademark-md{animation:trademark-flash 800ms 3200ms ease-out}
.trademark-sparkle{position:absolute;z-index:5;right:-1%;top:1%;width:26px;height:26px;pointer-events:none;opacity:0;background:var(--text);clip-path:polygon(50% 0,58% 42%,100% 50%,58% 58%,50% 100%,42% 58%,0 50%,42% 42%);filter:drop-shadow(0 0 7px var(--accent));animation:trademark-sparkle 800ms 3200ms cubic-bezier(.16,1,.3,1) both}
.trademark-sparkle::before{content:"";position:absolute;left:-17px;top:18px;width:12px;height:12px;background:var(--accent);clip-path:inherit}
.trademark-sparkle::after{content:"";position:absolute;right:-7px;top:-8px;width:4px;height:4px;border-radius:50%;background:var(--text);box-shadow:0 0 8px var(--text)}
.logo-sheen{position:absolute;z-index:4;inset:-12% -20%;pointer-events:none;overflow:hidden;opacity:0;animation:sheen-visibility 1300ms 2050ms ease-out forwards}
.logo-sheen::before{content:"";position:absolute;top:0;bottom:0;left:38%;width:12%;background:linear-gradient(90deg,transparent,color-mix(in oklch,var(--text) 28%,transparent),transparent);transform:translateX(-720%) skewX(-18deg);animation:sheen-move 1300ms 2050ms var(--ease-out) forwards}
.readout{width:54vw;max-width:380px;margin-top:clamp(30px,5vh,48px);display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;column-gap:20px;opacity:0;animation:readout-enter 700ms 1550ms ease-out forwards}
.readout__status{align-self:center;color:var(--text-secondary);font-size:10px;font-weight:500;letter-spacing:.18em;line-height:1.5;text-transform:uppercase}
.readout__percent{color:var(--text);font-size:30px;font-weight:400;line-height:1;letter-spacing:-.07em;font-variant-numeric:tabular-nums}
.readout__percent small{font-size:11px;letter-spacing:0;margin-left:4px;color:var(--text-secondary)}
.readout__track{grid-column:1/-1;height:2px;margin-top:16px;background:var(--readout-track);overflow:hidden}
.readout__fill{width:100%;height:100%;background:linear-gradient(90deg,var(--accent-strong),var(--accent),var(--text));transform:scaleX(0);transform-origin:left center;will-change:transform}
.readout__meta{display:none}
@keyframes emblem-assemble{0%{opacity:0;clip-path:inset(49% 50% 49% 50%);transform:translateY(32px) scale(.5)}18%{opacity:1}62%{clip-path:inset(0 0 0 0);transform:translateY(0) scale(1.045)}100%{opacity:1;clip-path:inset(0 0 0 0);transform:translateY(0) scale(1)}}
@keyframes emblem-idle{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-6px) scale(1)}}
@keyframes wordmark-assemble{0%,20%{opacity:0;clip-path:inset(0 50% 0 50%)}35%{opacity:1}100%{opacity:1;clip-path:inset(0 0 0 0)}}
@keyframes assembly-line{0%{opacity:0;transform:scaleX(0)}22%{opacity:1;transform:scaleX(1)}64%{opacity:.8;transform:scaleX(1)}100%{opacity:0;transform:scaleX(1)}}
@keyframes ring-arrive{0%{opacity:0;transform:translate(-50%,-50%) scale(.45) rotate(-100deg)}28%{opacity:.55}78%{opacity:.16;transform:translate(-50%,-50%) scale(1.04) rotate(15deg)}100%{opacity:0;transform:translate(-50%,-50%) scale(1.12) rotate(25deg)}}
@keyframes glow-in{to{opacity:1}}
@keyframes maple-ignite{0%{opacity:.15;filter:drop-shadow(0 0 0 transparent)}45%{opacity:1;filter:drop-shadow(0 0 12px #fc0105)}100%{opacity:1;filter:drop-shadow(0 0 0 transparent)}}
@keyframes trademark-flash{0%,100%{filter:brightness(1) drop-shadow(0 0 0 transparent)}38%{filter:brightness(2.2) drop-shadow(0 0 7px var(--text))}62%{filter:brightness(1.35) drop-shadow(0 0 3px var(--accent))}}
@keyframes trademark-sparkle{0%{opacity:0;transform:scale(0) rotate(-50deg)}32%{opacity:1;transform:scale(1.3) rotate(0)}52%{opacity:1;transform:scale(.9) rotate(12deg)}100%{opacity:0;transform:scale(.35) rotate(28deg)}}
@keyframes readout-enter{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@keyframes sheen-visibility{0%,100%{opacity:0}20%,65%{opacity:1}}
@keyframes sheen-move{to{transform:translateX(720%) skewX(-18deg)}}
@media (max-width:700px){
  .splash__stage{padding:56px 16px 96px}.logo-lockup{width:88vw;max-width:480px}.logo-emblem{width:58vw;max-width:270px}.logo-wordmark{margin-top:18px}.readout{width:70vw;margin-top:32px}
  .readout__status{font-size:9px;letter-spacing:.12em}.readout__percent{font-size:28px}
}
@media (max-height:650px){.splash__stage{padding-top:36px;padding-bottom:64px}.logo-lockup{max-width:400px}.logo-emblem{max-width:220px}.logo-wordmark{margin-top:10px}.readout{max-width:300px;margin-top:20px}.flight-ring{display:none}}
@media (prefers-reduced-motion:reduce){
  #hc-boot{
    -webkit-mask-image:none!important;
    mask-image:none!important;
    transition:opacity 0.35s ease-out!important;
  }
  #hc-boot.hc-boot-exiting{opacity:0;visibility:hidden}
  #hc-boot *,#hc-boot *::before,#hc-boot *::after{animation:none!important;transition:none!important}
  .logo-emblem{opacity:1;clip-path:none;transform:none}
  .logo-wordmark{opacity:1;clip-path:none}
  .logo-lockup::before,.logo-sheen,.flight-ring,.trademark-sparkle{display:none}
  .logo-lockup::after,.maple-leaf,.readout{opacity:1}
}