/* =========================================
   Animations & Effects
   ========================================= */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

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

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

.float-animation { animation: float 6s ease-in-out infinite; }
.pulse-animation { animation: pulse 3s ease-in-out infinite; }

.gradient-bg {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
}

/* Preloader */
.preloader {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: var(--white);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-logo {
  width: 80px; height: 80px;
  margin-bottom: 30px;
  animation: spin 2s linear infinite;
}

.progress-bar {
  width: 200px; height: 4px;
  background: var(--light);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar-fill {
  width: 0%; height: 100%;
  background: var(--gradient);
  transition: width 0.3s ease;
}

.preloader-text {
  margin-top: 15px;
  font-weight: 600;
  color: var(--primary);
}