/* Título principal */
.professions-h1 {
  text-align: center;
  font-size: 3rem;
  font-weight: 700;
  color: #1e3c72;
  margin-bottom: 3rem;
  position: relative;
  padding-bottom: 1.5rem;
}

.professions-h1::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 150px;
  height: 5px;
  background: linear-gradient(90deg, #ff6b35 0%, #1e3c72 100%);
  border-radius: 3px;
}

#professions {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2.5rem;
  padding: 1rem 0;
}

.profession-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background: white;
  height: 400px;
}

.profession-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(30, 60, 114, 0.05) 0%, rgba(255, 107, 53, 0.05) 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 1;
  pointer-events: none;
}

.profession-card:hover {
  transform: translateY(-15px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.profession-card:hover::before {
  opacity: 1;
}

.profession-card a {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}

.profession-card-span {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: #1e3c72;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.95) 80%, transparent 100%);
  z-index: 3;
  text-align: center;
  transition: all 0.4s ease;
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.profession-card:hover .profession-card-span {
  background: linear-gradient(to bottom, rgba(255, 107, 53, 0.95) 0%, rgba(255, 107, 53, 0.9) 80%, transparent 100%);
  color: white;
  transform: translateY(-5px);
}

.profession-card-reference {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.4s ease;
  z-index: 2;
}

.profession-card-reference.hidden {
  opacity: 1;
}

.profession-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: absolute;
  top: 0;
  left: 0;
}

.profession-card:hover .profession-card-image {
  transform: scale(1.1);
  filter: brightness(0.8);
}

.profession-card-legend {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  background: linear-gradient(to top, rgba(30, 60, 114, 0.95) 0%, rgba(30, 60, 114, 0.85) 60%, transparent 100%);
  color: white;
  font-size: 1rem;
  line-height: 1.6;
  text-align: center;
  z-index: 3;
  transform: translateY(100%);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
}

.profession-card:hover .profession-card-legend {
  transform: translateY(0);
  opacity: 1;
}

.profession-card::after {
  content: '🎓';
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 2.5rem;
  opacity: 0;
  z-index: 4;
  transform: rotate(-15deg) scale(0);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.profession-card:hover::after {
  opacity: 0.2;
  transform: rotate(0deg) scale(1);
}

.profession-card.loading {
  pointer-events: none;
}

.profession-card.loading .profession-card-image {
  background: linear-gradient(
    90deg,
    #f0f0f0 25%,
    #e0e0e0 50%,
    #f0f0f0 75%
  );
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

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

@media (prefers-reduced-motion: no-preference) {
  .profession-card {
    animation: fadeInUp 0.6s ease-out backwards;
  }

  .profession-card:nth-child(1) { animation-delay: 0.1s; }
  .profession-card:nth-child(2) { animation-delay: 0.15s; }
  .profession-card:nth-child(3) { animation-delay: 0.2s; }
  .profession-card:nth-child(4) { animation-delay: 0.25s; }
  .profession-card:nth-child(5) { animation-delay: 0.3s; }
  .profession-card:nth-child(6) { animation-delay: 0.35s; }
  .profession-card:nth-child(7) { animation-delay: 0.4s; }
  .profession-card:nth-child(8) { animation-delay: 0.45s; }
  .profession-card:nth-child(9) { animation-delay: 0.5s; }
  .profession-card:nth-child(n+10) { animation-delay: 0.5s; }
}

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

#professions:empty::after {
  content: 'Cargando carreras...';
  display: block;
  text-align: center;
  padding: 4rem;
  font-size: 1.3rem;
  color: #6c757d;
  font-weight: 600;
}

.error-message {
  background: linear-gradient(135deg, #dc3545 0%, #e83e4d 100%);
  color: white;
  padding: 2rem;
  border-radius: 16px;
  text-align: center;
  font-size: 1.2rem;
  font-weight: 600;
  margin: 2rem 0;
  box-shadow: 0 8px 25px rgba(220, 53, 69, 0.3);
}

.cache-notice {
  background: #fff3cd;
  color: #856404;
  padding: 0.8rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  text-align: center;
}

@media (max-width: 1200px) {
  #professions {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  main {
    padding: 2rem 0;
  }

  #container {
    padding: 0 1rem;
  }

  .professions-h1 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
  }

  #professions {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
  }

  .profession-card {
    height: 350px;
  }

  .profession-card-span {
    font-size: 1.3rem;
    padding: 1.5rem;
    min-height: 90px;
  }

  .profession-card-legend {
    font-size: 0.95rem;
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .professions-h1 {
    font-size: 1.8rem;
  }

  #professions {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .profession-card {
    height: 320px;
  }

  .profession-card-span {
    font-size: 1.2rem;
    padding: 1.2rem;
    min-height: 80px;
  }

  .profession-card-legend {
    font-size: 0.9rem;
    padding: 1.2rem;
  }

  .profession-card::after {
    font-size: 2rem;
  }
}

.profession-card a:focus {
  outline: 3px solid #ff6b35;
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .profession-card,
  .profession-card-image,
  .profession-card-span,
  .profession-card-legend {
    transition: none;
    animation: none;
  }
}