/* Cinematic Heritage — project reveal & 3D scroll animations */

.anim-fade {
  opacity: 0;
  transform: translateY(0);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.anim-fade.is-visible {
  opacity: 1;
}

.anim-slide {
  opacity: 0;
  transform: translateY(48px);
  transition: opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* ── Apple-style 3D scroll section ── */

.project-card--3d {
  border: none;
  border-radius: 0;
  background: transparent;
  overflow: visible;
}

.project-3d-scroll {
  position: relative;
  width: 100%;
  background: radial-gradient(
    ellipse 80% 60% at 50% 50%,
    rgba(0, 66, 37, 0.18) 0%,
    rgba(17, 20, 17, 0) 70%
  );
}

.project-3d-scroll__pin-target {
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #111411;
}

.project-3d-scroll__stage {
  position: relative;
  width: min(960px, 88vw);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.project-3d-scroll__stage.is-loaded .project-3d-canvas {
  opacity: 1;
  transform: scale(1);
}

.project-3d-canvas {
  display: block;
  width: 100%;
  max-width: 960px;
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
    transform 1s cubic-bezier(0.22, 1, 0.36, 1);
  filter: drop-shadow(0 40px 80px rgba(0, 0, 0, 0.55));
}

.project-3d-scroll.is-ready .project-3d-canvas {
  opacity: 1;
  transform: scale(1);
}

/* Loading indicator */

.project-3d-scroll__loader {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  background: rgba(17, 20, 17, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.project-3d-scroll__loader.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.project-3d-scroll__loader.is-complete {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.project-3d-scroll__loader-ring {
  --loader-progress: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: conic-gradient(
    #e9c349 calc(var(--loader-progress) * 1%),
    rgba(138, 147, 139, 0.25) 0
  );
  display: grid;
  place-items: center;
  animation: loader-pulse 1.6s ease-in-out infinite;
}

.project-3d-scroll__loader-ring::after {
  content: '';
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #111411;
}

.project-3d-scroll__loader-text {
  font-family: Inter, system-ui, sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #c0c9c0;
}

@keyframes loader-pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.04);
  }
}

/* Scroll hint & progress */

.project-3d-scroll__hint {
  position: absolute;
  bottom: -3rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-family: Inter, system-ui, sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8a938b;
  white-space: nowrap;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.project-3d-scroll__hint-icon {
  font-size: 14px;
  color: #e9c349;
  animation: hint-bounce 2s ease-in-out infinite;
}

@keyframes hint-bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(4px);
  }
}

.project-3d-scroll__progress {
  position: absolute;
  bottom: -4.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: min(200px, 50vw);
  height: 1px;
  background: rgba(138, 147, 139, 0.3);
  border-radius: 9999px;
  overflow: hidden;
}

.project-3d-scroll__progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #004225, #e9c349);
  will-change: width;
}