/* Full-page transition when opening projects archive — matches glass / tokens from base */

body.page-transition-lock {
  overflow: hidden;
}

.page-transition {
  position: fixed;
  inset: 0;
  z-index: 20000;
  display: grid;
  place-items: center;
  padding: max(var(--spacing-md), env(safe-area-inset-top))
    max(var(--spacing-md), env(safe-area-inset-right))
    max(var(--spacing-md), env(safe-area-inset-bottom))
    max(var(--spacing-md), env(safe-area-inset-left));
  background: rgba(252, 252, 252, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.page-transition__panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl) var(--spacing-xxl);
  max-width: min(20rem, 100%);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.page-transition__label {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.page-transition__dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 28px;
}

.page-transition__dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.35;
  transform: scale(0.85);
  animation: page-transition-dot 1s cubic-bezier(0.45, 0, 0.55, 1) 8 both;
}

.page-transition__dots span:nth-child(2) {
  animation-delay: 0.15s;
  background: var(--color-accent);
}

.page-transition__dots span:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes page-transition-dot {
  0%,
  80%,
  100% {
    opacity: 0.3;
    transform: scale(0.85);
  }

  40% {
    opacity: 1;
    transform: scale(1.08);
  }
}

/* Outbound (index → projects): hidden until link click */
.page-transition--outbound {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.38s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0s linear 0.38s;
}

.page-transition--outbound .page-transition__panel {
  opacity: 0;
  transform: translateY(10px) scale(0.96);
  transition:
    opacity 0.42s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.48s cubic-bezier(0.22, 1, 0.36, 1);
}

.page-transition--outbound.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition:
    opacity 0.38s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0s linear 0s;
}

.page-transition--outbound.is-visible .page-transition__panel {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Incoming (projects load): cover then peel away */
.page-transition--incoming {
  opacity: 1;
  visibility: visible;
  transition:
    opacity 0.42s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0s linear 0.42s,
    backdrop-filter 0.42s ease;
}

.page-transition--incoming .page-transition__panel {
  animation: page-transition-panel-in 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes page-transition-panel-in {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.96);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.page-transition--incoming.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  backdrop-filter: blur(0);
  -webkit-backdrop-filter: blur(0);
  transition:
    opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    visibility 0s linear 0.4s,
    backdrop-filter 0.35s ease;
}

.page-transition--incoming.is-done .page-transition__panel {
  animation: none;
  transform: translateY(-6px) scale(0.98);
  opacity: 0;
  transition:
    opacity 0.32s ease,
    transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-reduced-motion: reduce) {
  .page-transition--outbound,
  .page-transition--outbound.is-visible,
  .page-transition--incoming,
  .page-transition--incoming.is-done {
    transition-duration: 0.15s;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .page-transition--outbound .page-transition__panel,
  .page-transition--outbound.is-visible .page-transition__panel {
    transform: none;
    transition: opacity 0.15s ease;
  }

  .page-transition--incoming .page-transition__panel {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .page-transition--incoming.is-done .page-transition__panel {
    transform: none;
  }

  .page-transition__dots span {
    animation: none;
    opacity: 0.55;
    transform: scale(1);
  }
}