/* Mejorando los estilos adicionales con diseño moderno */
.card-img-top {
  object-fit: cover;
  height: 240px;
  transition: var(--transition);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.card-img-top:hover {
  transform: scale(1.05);
}

.btn-primary {
  background: var(--gradient-primary);
  border: 2px solid transparent;
  color: white;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

/* Efectos adicionales para mejorar la experiencia */
.fade-in {
  animation: fadeInUp 0.6s ease-out;
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Mejoras de accesibilidad y UX */
.focus-ring:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  border-radius: 4px;
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.hover-scale:hover {
  transform: scale(1.05);
}

/* Estados de carga globales */
.loading-skeleton {
  background: linear-gradient(90deg, var(--light-color) 25%, #e2e8f0 50%, var(--light-color) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Utilidades adicionales */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bg-glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.shadow-glow {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.border-gradient {
  border: 2px solid transparent;
  background: linear-gradient(white, white) padding-box, var(--gradient-primary) border-box;
}