/* ===== ANIMATIONS ===== */

/* Fade In */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Fade Up */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Fade Down */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Scale In */
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}

/* Slide In Left */
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Slide In Right */
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Glow Pulse */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(99,102,241,0.3); }
  50% { box-shadow: 0 0 40px rgba(99,102,241,0.6), 0 0 80px rgba(99,102,241,0.2); }
}

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

/* Shimmer */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* Cursor blink */
@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Progress bar */
@keyframes progressBar {
  from { width: 0; }
  to { width: var(--progress); }
}

/* ===== UTILITY ANIMATION CLASSES ===== */
.animate-fade-in {
  animation: fadeIn 0.8s ease forwards;
}
.animate-fade-up {
  animation: fadeUp 0.8s ease forwards;
  opacity: 0;
}
.animate-slide-left {
  animation: slideInLeft 0.8s ease forwards;
  opacity: 0;
}
.animate-slide-right {
  animation: slideInRight 0.8s ease forwards;
  opacity: 0;
}

/* Delays */
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }
.delay-5 { animation-delay: 1s; }

/* ===== SCROLL ANIMATION (AOS-like) ===== */
[data-aos] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}
[data-aos][data-aos-delay="100"] { transition-delay: 0.1s; }
[data-aos][data-aos-delay="200"] { transition-delay: 0.2s; }
[data-aos][data-aos-delay="300"] { transition-delay: 0.3s; }
[data-aos][data-aos-delay="400"] { transition-delay: 0.4s; }
[data-aos][data-aos-delay="500"] { transition-delay: 0.5s; }

/* ===== PAGE TRANSITION ===== */
.page-enter {
  animation: fadeIn 0.5s ease;
}

/* ===== LOADING SPINNER ===== */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

/* ===== GRADIENT ANIMATION ===== */
.gradient-animated {
  background: linear-gradient(270deg, #6366f1, #8b5cf6, #06b6d4, #6366f1);
  background-size: 400% 400%;
  animation: gradientShift 6s ease infinite;
}
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ===== HOVER EFFECTS ===== */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.hover-glow {
  transition: box-shadow 0.3s ease;
}
.hover-glow:hover {
  box-shadow: 0 0 30px rgba(99,102,241,0.4);
}

/* ===== PARTICLE DOT ===== */
.particle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  animation: particleFloat linear infinite;
}
@keyframes particleFloat {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100px) scale(1); opacity: 0; }
}

/* ===== SKELETON LOADER ===== */
.skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.05) 25%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0.05) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}

/* ===== SUCCESS CHECKMARK ANIMATION ===== */
@keyframes checkmark {
  0% { stroke-dashoffset: 60; }
  100% { stroke-dashoffset: 0; }
}

/* ===== NOTIFICATION ===== */
.notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  backdrop-filter: blur(20px);
  box-shadow: 0 10px 40px rgba(0,0,0,0.4);
  z-index: 9999;
  animation: slideInRight 0.5s ease;
  max-width: 350px;
}
.notification.success { border-color: rgba(16,185,129,0.3); }
.notification.error { border-color: rgba(239,68,68,0.3); }
.notification-icon { font-size: 1.25rem; }
.notification.success .notification-icon { color: #10b981; }
.notification.error .notification-icon { color: #ef4444; }
.notification-text { font-size: 0.9rem; }
.notification-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  margin-left: auto;
  font-size: 0.8rem;
}