/* ─── ENTRANCES ─── */
@keyframes viewFadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeDown { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeLeft { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes fadeRight { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.92); } to { opacity: 1; transform: scale(1); } }
@keyframes slideLeft { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideRight { from { opacity: 0; transform: translateX(-30px); } to { opacity: 1; transform: translateX(0); } }

/* ─── FLOATING ─── */
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-12px) rotate(1deg); }
  66% { transform: translateY(-6px) rotate(-0.5deg); }
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

@keyframes floatDrone {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  25% { transform: translateY(-8px) rotate(0deg); }
  50% { transform: translateY(-4px) rotate(2deg); }
  75% { transform: translateY(-10px) rotate(0deg); }
}

/* ─── HERO ─── */
@keyframes meshGradient {
  0% { background-position: 0% 50%; }
  25% { background-position: 50% 0%; }
  50% { background-position: 100% 50%; }
  75% { background-position: 50% 100%; }
  100% { background-position: 0% 50%; }
}

@keyframes heroGlow {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.1); }
}

@keyframes particleRise {
  0% { transform: translateY(100%) scale(0); opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { transform: translateY(-100vh) scale(1); opacity: 0; }
}

@keyframes typewriter {
  from { width: 0; }
  to { width: 100%; }
}

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

/* ─── SHIMMER / SKELETON ─── */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ─── PULSE / GLOW ─── */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 8px var(--primary-glow); }
  50% { box-shadow: 0 0 24px var(--primary-glow), 0 0 48px var(--primary-glow); }
}

@keyframes glowRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ─── TOAST ─── */
@keyframes toastSlideIn {
  from { opacity: 0; transform: translateY(-20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes toastSlideOut {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to { opacity: 0; transform: translateY(-20px) scale(0.95); }
}

/* ─── TYPING ─── */
@keyframes typingDot {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* ─── INTERACTIONS ─── */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 50%, 90% { transform: translateX(-4px); }
  30%, 70% { transform: translateX(4px); }
}

@keyframes checkmark {
  0% { stroke-dashoffset: 50; }
  100% { stroke-dashoffset: 0; }
}

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

@keyframes expandIn {
  from { opacity: 0; transform: scale(0.9) translateY(10px); max-height: 0; }
  to { opacity: 1; transform: scale(1) translateY(0); max-height: 600px; }
}

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

/* ─── MODAL / LIGHTBOX ─── */
@keyframes modalOverlayIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes lightboxIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }
@keyframes progressFill { from { width: 0%; } }

/* ─── BENEFIT CARDS ─── */
@keyframes benefitReveal {
  from { opacity: 0; transform: translateY(30px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes iconPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

/* ─── COUNTER ─── */
@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── IMAGE SHOWCASE ─── */
@keyframes lensFlare {
  0% { transform: translateX(-100%) rotate(45deg); }
  100% { transform: translateX(200%) rotate(45deg); }
}

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

/* ─── UTILITY CLASSES ─── */
.fade-in { animation: fadeIn 0.4s ease-out both; }
.fade-up { animation: fadeUp 0.5s ease-out both; }
.fade-down { animation: fadeDown 0.3s ease-out both; }
.fade-left { animation: fadeLeft 0.5s ease-out both; }
.fade-right { animation: fadeRight 0.5s ease-out both; }
.scale-in { animation: scaleIn 0.3s ease-out both; }

.float { animation: float 4s ease-in-out infinite; }
.float-slow { animation: floatSlow 6s ease-in-out infinite; }
.float-drone { animation: floatDrone 3s ease-in-out infinite; }

.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.1s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.2s; }
.stagger-5 { animation-delay: 0.25s; }
.stagger-6 { animation-delay: 0.3s; }
.stagger-7 { animation-delay: 0.35s; }
.stagger-8 { animation-delay: 0.4s; }

.skeleton {
  background: linear-gradient(90deg, var(--surface) 25%, var(--surface-light) 50%, var(--surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text { height: 16px; width: 100%; margin-bottom: 8px; }
.skeleton-text.short { width: 60%; }
.skeleton-card { height: 200px; width: 100%; }

.shake { animation: shake 0.4s ease-out; }

.typing-indicator {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 12px 16px;
}

.typing-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--secondary);
  animation: typingDot 1.4s infinite both;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

/* ─── PARALLAX WRAPPER ─── */
.parallax-section {
  position: relative;
  overflow: hidden;
}

.parallax-bg {
  position: absolute;
  inset: -40px;
  z-index: 0;
  opacity: 0.4;
}

/* ─── GLOW RING ─── */
.glow-ring {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
  animation: heroGlow 4s ease-in-out infinite;
}

/* ─── REVEAL ON SCROLL ─── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-left.in-view {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-right.in-view {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-scale.in-view {
  opacity: 1;
  transform: scale(1);
}

/* ─── REDUCED MOTION ─── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}