/* ============================================================
   JBS — Animations & interactions
   ============================================================ */

@keyframes heroLineIn {
  to {
    transform: translateY(0);
  }
}

@keyframes heroReveal {
  to {
    transform: scale(1);
  }
}

@keyframes heroMaskUp {
  to {
    transform: translateY(101%);
  }
}

@keyframes heroFloat {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scrollDot {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  70% {
    opacity: 0;
    transform: translateY(12px);
  }
  100% {
    opacity: 0;
    transform: translateY(0);
  }
}

@keyframes bar {
  0%, 100% {
    height: 12%;
  }
  50% {
    height: 100%;
  }
}

@keyframes skeleton {
  0% {
    background-position: 100% 0;
  }
  100% {
    background-position: -100% 0;
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Révélation au défilement */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 90ms; }
.reveal-delay-2 { transition-delay: 180ms; }
.reveal-delay-3 { transition-delay: 270ms; }

/* Titre par lignes */
.split-line {
  display: block;
  overflow: hidden;
}

.split-line > span {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 900ms var(--ease);
}

.is-visible .split-line > span {
  transform: translateY(0);
}

.is-visible .split-line:nth-child(2) > span { transition-delay: 100ms; }
.is-visible .split-line:nth-child(3) > span { transition-delay: 200ms; }

/* Masque animé sur images */
.img-mask {
  position: relative;
  overflow: hidden;
}

.img-mask::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ivory);
  transform: translateY(0);
  transition: transform 1000ms var(--ease) 150ms;
  pointer-events: none;
}

.img-mask.is-visible::after {
  transform: translateY(101%);
}

.img-mask img {
  transition: transform var(--t-slow) var(--ease);
}

.img-mask.is-visible img {
  transform: scale(1.04);
}

/* Compteur de cartes */
.card-counter {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--rdc-gold);
  font-size: 1.05rem;
}

/* Soulignement animé (nav) */
.animate-underline {
  position: relative;
}

/* Effet magnétique */
.magnetic {
  transition: transform var(--t-med) var(--ease);
  will-change: transform;
}

@media (hover: hover) and (pointer: fine) {
  .magnetic:hover {
    transform: translate(var(--mx, 0), var(--my, 0)) scale(1.02);
  }
}

/* Micro-interaction des boutons du hero */
.hero-actions .btn {
  will-change: transform;
}

/* Transitions entre pages */
@keyframes pageIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-enter {
  animation: pageIn 520ms var(--ease) both;
}

/* prefers-reduced-motion : désactiver tout */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .split-line > span {
    transform: none;
  }

  .hero-title .line span {
    transform: none;
    animation: none;
  }

  .hero-photo {
    transform: none;
    animation: none;
  }

  .hero-photo-frame::after {
    display: none;
  }

  .hero-photo-card {
    animation: none;
  }

  .img-mask::after {
    display: none;
  }

  .img-mask img {
    transform: none;
  }

  .magnetic:hover {
    transform: none;
  }
}