/* ═══════════════════════════════════════
   ANIMATIONS — Keyframes + scroll classes
═══════════════════════════════════════ */

/* Keyframes */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes scale-in {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes slide-right {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-8px); }
}

@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

@keyframes gradient-shift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Classes d'entrée — cachées seulement si JS est actif */
.js-ready .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}

.js-ready .reveal.from-left {
  transform: translateX(-28px);
}

.js-ready .reveal.from-right {
  transform: translateX(28px);
}

.js-ready .reveal.scale {
  transform: scale(0.94);
}

/* État visible */
.js-ready .reveal.visible {
  opacity: 1;
  transform: none;
}

/* Délais en cascade */
.reveal-delay-1 { transition-delay: 80ms; }
.reveal-delay-2 { transition-delay: 160ms; }
.reveal-delay-3 { transition-delay: 240ms; }
.reveal-delay-4 { transition-delay: 320ms; }
.reveal-delay-5 { transition-delay: 400ms; }

/* Hero animations (immédiat) */
.hero-label    { animation: fade-up var(--dur-slow) var(--ease-out) 0.1s both; }
.hero-title    { animation: fade-up var(--dur-xslow) var(--ease-out) 0.25s both; }
.hero-lead     { animation: fade-up var(--dur-xslow) var(--ease-out) 0.4s both; }
.hero-actions  { animation: fade-up var(--dur-xslow) var(--ease-out) 0.55s both; }
.hero-proof    { animation: fade-up var(--dur-xslow) var(--ease-out) 0.70s both; }

/* Gradient animé sur titre héro */
.gradient-text-animated {
  background: linear-gradient(90deg, var(--c-accent), var(--c-cyan), var(--c-accent));
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 4s ease infinite;
}

/* How-steps — reveal plus lent et progressif */
.js-ready .how-step.reveal {
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Sector reveal — sequential 1-2-3 ── */
.js-ready .sector-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}
.js-ready .sector-card.visible {
  opacity: 1;
  transform: none;
}

@keyframes sector-node-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(232,98,42,0.7); }
  55%  { box-shadow: 0 0 0 16px rgba(232,98,42,0.14); }
  100% { box-shadow: 0 0 0 26px rgba(232,98,42,0); }
}
.sector-pulsing {
  animation: sector-node-pulse 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.sector-wire {
  position: absolute;
  height: 1.5px;
  background: linear-gradient(
    to right,
    rgba(232,98,42,0) 0%,
    rgba(232,98,42,0.35) 15%,
    rgba(212,85,10,0.25) 50%,
    rgba(232,98,42,0.35) 85%,
    rgba(232,98,42,0) 100%
  );
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.78s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
  z-index: 0;
}
.sector-wire.drawing { transform: scaleX(1); }

.sector-dot {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #e8622a;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 2;
  box-shadow: 0 0 8px rgba(232,98,42,0.85), 0 0 18px rgba(232,98,42,0.35);
}

/* Loading skeleton */
.skeleton {
  background: linear-gradient(90deg,
    var(--c-bg-card) 25%,
    rgba(0,0,0,0.03) 50%,
    var(--c-bg-card) 75%
  );
  background-size: 400px 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--r-sm);
}