Componentes de Tarjetas Animadas

.cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  cursor: pointer;
}

/* Tarjeta con hover básico */
.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.card-image {
  position: relative;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.card-hover:hover .card-image img {
  transform: scale(1.1);
}

.card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card-hover:hover .card-overlay {
  opacity: 1;
}

.btn-action {
  padding: 0.75rem 1.5rem;
  background: #3b82f6;
  color: white;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.card-hover:hover .btn-action {
  transform: translateY(0);
}

.card-content {
  padding: 1.5rem;
}

.card-content h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: #1f2937;
}

.card-content p {
  margin: 0 0 1rem 0;
  color: #6b7280;
  line-height: 1.5;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

.card-date {
  color: #9ca3af;
}

.card-category {
  background: #dbeafe;
  color: #3b82f6;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-weight: 500;
}

/* Tarjeta con efecto flip */
.card-flip {
  perspective: 1000px;
  height: 250px;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.card-flip:hover .card-inner {
  transform: rotateY(180deg);
}

.card-front, .card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.card-back {
  background: #3b82f6;
  color: white;
  transform: rotateY(180deg);
}

.btn-secondary {
  padding: 0.5rem 1rem;
  background: white;
  color: #3b82f6;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 1rem;
}

/* Tarjeta con efecto de escala */
.card-scale:hover {
  transform: scale(1.05);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 1.5rem 1rem 1.5rem;
}

.card-icon {
  font-size: 2rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f3f4f6;
  border-radius: 12px;
}

.card-header h3 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: #1f2937;
}

.card-body {
  padding: 0 1.5rem 1.5rem 1.5rem;
}

.card-body p {
  margin: 0 0 1rem 0;
  color: #6b7280;
  line-height: 1.5;
}

.card-features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.card-features li {
  padding: 0.25rem 0;
  color: #374151;
  position: relative;
  padding-left: 1rem;
}

.card-features li:before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #10b981;
  font-weight: bold;
}