/* ==========================================================================
   animations.css — Cinematic motion (extracted & extended)
   - Drift, pulse, blink, spin, parallax, entrance, hover lighting
   - Respects prefers-reduced-motion
   ========================================================================== */

/* Drift ambient blobs */
@keyframes drift1 { 0% { transform: translate3d(0,0,0) scale(1); } 100% { transform: translate3d(60px,40px,0) scale(1.08); } }
@keyframes drift2 { 0% { transform: translate3d(0,0,0) scale(1); } 100% { transform: translate3d(-50px,30px,0) scale(1.06); } }
@keyframes drift3 { 0% { transform: translate3d(0,0,0) scale(1); } 100% { transform: translate3d(30px,-35px,0) scale(1.04); } }

/* Pulse kicker dot */
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.55; transform: scale(0.92); } }

/* Typing cursor */
@keyframes blink { 50% { opacity: 0; } }

/* Loader */
@keyframes spin { to { transform: rotate(360deg); } }

/* Grain (subtle film) */
@keyframes grainShift {
  0% { transform: translate(0,0); }
  10% { transform: translate(-2%, -2%); }
  20% { transform: translate(1%, 2%); }
  30% { transform: translate(2%, -1%); }
  40% { transform: translate(-1%, 2%); }
  50% { transform: translate(-2%, 1%); }
  60% { transform: translate(2%, 0); }
  70% { transform: translate(0, 2%); }
  80% { transform: translate(1%, -2%); }
  90% { transform: translate(-1%, -1%); }
  100% { transform: translate(0,0); }
}

/* Particle float */
@keyframes floatY { 0% { transform: translateY(0); opacity: 0.0; } 10% { opacity: 0.55; } 90% { opacity: 0.55; } 100% { transform: translateY(-120vh); opacity: 0; } }

/* Entrance */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.97); } to { opacity: 1; transform: scale(1); } }

/* Glass reflection sweep */
@keyframes sweep { 0% { transform: translateX(-140%); } 100% { transform: translateX(180%); } }

/* Visualizer bars */
@keyframes barPulse { 0%,100% { height: 6px; } 50% { height: 18px; } }

/* Utilities */
.anim-fadeInUp { animation: fadeInUp 0.75s cubic-bezier(0.22,1,0.36,1) both; }
.anim-fadeIn { animation: fadeIn 0.6s ease both; }
.anim-scaleIn { animation: scaleIn 0.55s cubic-bezier(0.22,1,0.36,1) both; }
.delay-1 { animation-delay: 0.08s; }
.delay-2 { animation-delay: 0.16s; }
.delay-3 { animation-delay: 0.24s; }
.delay-4 { animation-delay: 0.32s; }

/* Grain overlay element */
.grain {
  position: fixed;
  inset: -20%;
  pointer-events: none;
  z-index: -1;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.42'/%3E%3C/svg%3E");
  animation: grainShift 8s steps(10) infinite;
}

/* Particles container */
.particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}
.particle {
  position: absolute;
  bottom: -10px;
  width: 2px; height: 2px;
  background: radial-gradient(circle, rgba(255,255,255,0.9), transparent 70%);
  border-radius: 50%;
  opacity: 0;
  filter: blur(0.2px);
}

/* Hover lighting transition helpers */
.hover-lift {
  transition: transform 0.42s cubic-bezier(0.22,1,0.36,1), box-shadow 0.42s ease, border-color 0.42s ease, background 0.42s ease;
}
.hover-lift:hover { transform: translateY(-3px); }

/* Smooth scroll reveal (used by JS) */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.72s cubic-bezier(0.22,1,0.36,1), transform 0.72s cubic-bezier(0.22,1,0.36,1);
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* Visualizer */
.viz {
  display: flex; align-items: end; gap: 3px; height: 18px;
}
.viz i {
  width: 2px; background: #fff; border-radius: 999px; opacity: 0.85;
  box-shadow: 0 0 6px rgba(255,255,255,0.55);
  animation: barPulse 0.6s ease-in-out infinite;
}
.viz i:nth-child(2) { animation-delay: 0.12s; }
.viz i:nth-child(3) { animation-delay: 0.24s; }
.viz i:nth-child(4) { animation-delay: 0.08s; }

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .ambient-blob, .cursor-glow, .grain, .particles { display: none !important; }
  .reveal { opacity: 1; transform: none; }
}