/* ═══════════════════════════════════════════════
   ANIMATIONS.CSS — Vecteur Labs Motion & Transitions
   ═══════════════════════════════════════════════ */

/* ─── Keyframe Animations ──────────────────────── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes slideInRight {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ─── Hero Gradient Animation ──────────────────── */
.hero-bg {
  animation: gradientShift 15s ease infinite;
}

/* ─── Page Enter Animation ─────────────────────── */
.page-enter {
  animation: fadeIn 0.4s ease;
}

/* ─── Scroll-Reveal Classes ────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays for sequential reveals */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ─── Float Animation for 404 Illustration ─────── */
.float-node {
  animation: float 3s ease-in-out infinite;
}
.float-node:nth-child(2) { animation-delay: 0.5s; }
.float-node:nth-child(3) { animation-delay: 1s; }
.float-node:nth-child(4) { animation-delay: 1.5s; }
.float-node:nth-child(5) { animation-delay: 2s; }

.error-illustration svg {
  animation: float 4s ease-in-out infinite;
}

/* ─── Stat Counter Animation Feedback ──────────── */
.stat-number {
  transition: transform 0.2s ease;
}
.stat-number.counting {
  transform: scale(1.05);
}

/* ─── Loading Spinner ──────────────────────────── */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* ─── Carousel Pause Button ────────────────────── */
.carousel-controls {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}
.carousel-pause {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: #fff;
  color: var(--color-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: var(--font-primary);
}
.carousel-pause:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ─── Smooth Scroll Behavior ───────────────────── */
html {
  scroll-behavior: smooth;
}

/* ─── Link / Button Hover Transitions ──────────── */
a,
button {
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

/* ─── Image Hover Zoom ─────────────────────────── */
.img-zoom {
  overflow: hidden;
  border-radius: 12px;
}
.img-zoom img {
  transition: transform 0.4s ease;
}
.img-zoom:hover img {
  transform: scale(1.05);
}

/* ═══════════════════════════════════════════════
   REDUCED MOTION — Respect User Preferences
   ═══════════════════════════════════════════════ */
@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;
  }

  .hero-bg {
    animation: none;
  }

  html {
    scroll-behavior: auto;
  }
}