/* ============================================================
   VERBUM — Animations : loader, reveals, keyframes
   ============================================================ */

/* ================= LOADER ================= */
.loader-verbum {
  position: fixed;
  inset: 0;
  z-index: var(--z-loader);
  display: grid;
  place-items: center;
  background: var(--noir-profond);
  transition: opacity 0.9s var(--ease-douce), visibility 0.9s;
}
.loader-verbum.disparu {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loader-couleurs {
  text-align: center;
}
.loader-couleurs .mot {
  font-family: var(--font-titre);
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  letter-spacing: 0.34em;
  color: var(--or-sacre);
  display: flex;
  justify-content: center;
}
.loader-couleurs .mot span {
  opacity: 0;
  animation: lettre-gravee 0.85s var(--ease-sacree) forwards;
}
.loader-couleurs .mot span:nth-child(1) { animation-delay: 0.10s; }
.loader-couleurs .mot span:nth-child(2) { animation-delay: 0.22s; }
.loader-couleurs .mot span:nth-child(3) { animation-delay: 0.34s; }
.loader-couleurs .mot span:nth-child(4) { animation-delay: 0.46s; }
.loader-couleurs .mot span:nth-child(5) { animation-delay: 0.58s; }
.loader-couleurs .mot span:nth-child(6) { animation-delay: 0.70s; }

.loader-couleurs .hebreu {
  margin-top: 1.35rem;
  font-family: var(--font-hebreu);
  direction: rtl;
  font-size: 1.15rem;
  letter-spacing: 0.28em;
  color: var(--gris-brume);
  opacity: 0;
  animation: montee-douce 1s var(--ease-sacree) 1s forwards;
}
.loader-couleurs .trait {
  width: 0;
  height: 2px;
  margin: 1.65rem auto 0;
  background: var(--degrade-or);
  animation: trait-se-remplit 1.5s var(--ease-sacree) 0.85s forwards;
}

/* ================= REVEALS AU SCROLL ================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(38px);
  transition: opacity var(--duree-revelation) var(--ease-sacree),
              transform var(--duree-revelation) var(--ease-sacree);
  transition-delay: var(--delai, 0s);
}
[data-reveal="gauche"] { transform: translateX(-46px); }
[data-reveal="droite"] { transform: translateX(46px); }
[data-reveal="zoom"] { transform: scale(0.92); }
[data-reveal].visible {
  opacity: 1;
  transform: none;
}

/* ================= KEYFRAMES ================= */
@keyframes lettre-gravee {
  to {
    opacity: 1;
    transform: translateY(0) rotate(0deg);
    filter: drop-shadow(0 6px 28px rgba(201, 168, 76, 0.35));
  }
}

@keyframes montee-douce {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulsation {
  0%   { box-shadow: 0 0 0 0 rgba(201, 168, 76, 0.5); }
  70%  { box-shadow: 0 0 0 12px rgba(201, 168, 76, 0); }
  100% { box-shadow: 0 0 0 0 rgba(201, 168, 76, 0); }
}

@keyframes defilement {
  0%   { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(12px); }
}

@keyframes trait-se-remplit {
  to { width: min(220px, 55vw); }
}

@keyframes onde-sonore {
  0%, 100% { transform: scaleY(0.45); }
  50%      { transform: scaleY(1.15); }
}

@keyframes flottement {
  0%, 100% { transform: translateY(0) rotate(-1.5deg); }
  50%      { transform: translateY(-14px) rotate(1.5deg); }
}

@keyframes brille-or {
  0%   { background-position: -120% center; }
  100% { background-position: 220% center; }
}

/* Survol luisant sur les boutons primaires */
.bouton-primaire::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, 0.45) 50%, transparent 70%);
  background-size: 220% 100%;
  background-position: -120% center;
  transition: background-position 0.7s var(--ease-sacree);
}
.bouton-primaire:hover::after { background-position: 220% center; }

/* Décor flottant */
.flottant { animation: flottement 7s ease-in-out infinite; }