/* Respeitar preferência de movimento reduzido */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .project-card,
  .timeline-item,
  .hero-animate > * {
    opacity: 1 !important;
    transform: none !important;
  }

  .timeline-card {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
}

/* Loader inicial */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 10000;
  background: var(--pem-bg-muted);
  pointer-events: none;
}

.page-loader__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--pem-orange-dark), var(--pem-orange));
  transition: width 0.35s ease, opacity 0.4s ease;
}

body.is-loading .page-loader__bar {
  animation: loaderProgress 1.1s ease-in-out forwards;
}

body.is-ready .page-loader__bar {
  width: 100%;
  opacity: 0;
}

@keyframes loaderProgress {
  0% {
    width: 0;
  }
  40% {
    width: 45%;
  }
  100% {
    width: 88%;
  }
}

/* Hero — entrada ao carregar */
@media (prefers-reduced-motion: no-preference) {
  .hero-animate > * {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  }

  .hero-animate > *:nth-child(1) {
    animation-delay: 0.1s;
  }
  .hero-animate > *:nth-child(2) {
    animation-delay: 0.22s;
  }
  .hero-animate > *:nth-child(3) {
    animation-delay: 0.34s;
  }
  .hero-animate > *:nth-child(4) {
    animation-delay: 0.46s;
  }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal-delay-1 {
  transition-delay: 0.08s;
}
.reveal-delay-2 {
  transition-delay: 0.16s;
}

/* Timeline — entrada em sequência */
@media (prefers-reduced-motion: no-preference) {
  .timeline-item {
    opacity: 0;
    transform: translateY(12px);
    transition:
      opacity 0.45s ease,
      transform 0.45s ease;
    transition-delay: calc(var(--stagger-i, 0) * 0.05s);
  }

  .timeline-scroll.is-visible .timeline-item {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Skeleton projetos */
.skeleton-card {
  border: none;
  border-radius: var(--pem-radius);
  background: var(--pem-bg-elevated);
  overflow: hidden;
  pointer-events: none;
}

.skeleton-card .card-body {
  padding: 1.25rem;
}

.skeleton-line,
.skeleton-badge {
  background: linear-gradient(
    90deg,
    var(--pem-bg-muted) 0%,
    var(--pem-border) 50%,
    var(--pem-bg-muted) 100%
  );
  background-size: 200% 100%;
  border-radius: 6px;
  animation: shimmer 1.4s ease-in-out infinite;
}

.skeleton-badge {
  width: 3rem;
  height: 3rem;
  border-radius: 10px;
  margin-bottom: 1rem;
}

.skeleton-line {
  height: 0.85rem;
  margin-bottom: 0.65rem;
}

.skeleton-line--title {
  height: 1.1rem;
  width: 70%;
}

.skeleton-line--short {
  width: 55%;
}

.skeleton-line--btn {
  height: 2rem;
  width: 40%;
  margin-top: 0.5rem;
  border-radius: 8px;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Cartões de projetos — stagger ao carregar */
@media (prefers-reduced-motion: no-preference) {
  .project-card {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
    transition:
      opacity 0.5s cubic-bezier(0.22, 1, 0.36, 1),
      transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: calc(var(--stagger-i, 0) * 0.045s);
  }

  .project-card.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

#card-container.is-loaded .skeleton-card {
  display: none;
}

/* Modais — uma única animação de abertura do painel */
@media (prefers-reduced-motion: no-preference) {
  .pem-modal.fade .modal-dialog {
    transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .pem-modal.fade:not(.show) .modal-dialog {
    transform: scale(0.96) translateY(12px);
  }

  .pem-modal.fade.show .modal-dialog {
    transform: scale(1) translateY(0);
  }
}

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

/* Secção mapa */
.map-frame.reveal.is-visible {
  transform: translateY(0) scale(1);
}

.map-frame.reveal {
  transform: translateY(28px) scale(0.98);
}