/* Estilos modernos para la sección de Validación de Certificados */
.validation-section {
  position: relative;
  padding: 80px 0;
  background-color: #f9f9f9;
  background-image: linear-gradient(135deg, rgba(255,255,255,0.2) 25%, transparent 25%, 
                    transparent 50%, rgba(255,255,255,0.2) 50%, rgba(255,255,255,0.2) 75%, 
                    transparent 75%, transparent);
  background-size: 80px 80px;
  overflow: hidden;
}

.validation-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(5,54,121,0.03) 0%, rgba(5,54,121,0.07) 100%);
  z-index: 1;
}

.validation-section .container {
  position: relative;
  z-index: 2;
}

.validation-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px;
}

.validation-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.validation-card {
  background-color: white;
  border-radius: 12px;
  padding: 40px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  text-align: center;
  position: relative;
  overflow: hidden;
  border-top: 4px solid var(--primary-color);
}

.validation-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background-color: rgba(5, 54, 121, 0.03);
  border-radius: 0 0 0 100px;
  z-index: 0;
}

.validation-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: rgba(5, 54, 121, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
  position: relative;
  z-index: 1;
}

.validation-icon i {
  font-size: 36px;
  color: var(--primary-color);
}

.validation-card h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 15px;
  color: #333;
  position: relative;
  z-index: 1;
}

.validation-card > p {
  font-size: 16px;
  line-height: 1.6;
  color: #666;
  margin-bottom: 30px;
  position: relative;
  z-index: 1;
}

.validation-form {
  text-align: left;
  position: relative;
  z-index: 1;
}

.validation-form .form-group {
  margin-bottom: 25px;
}

.validation-form label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #333;
  font-size: 14px;
}

.validation-form input {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 16px;
  transition: all 0.3s ease;
  font-family: var(--font-family);
}

.validation-form input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(5, 54, 121, 0.1);
}

.validation-form small {
  display: block;
  margin-top: 5px;
  color: #666;
  font-size: 13px;
  line-height: 1.4;
}

.validation-btn {
  width: 100%;
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  border: none;
  padding: 14px 24px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.validation-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(5, 54, 121, 0.3);
}

.validation-btn i {
  font-size: 18px;
}

.validation-result {
  margin-top: 30px;
  padding: 25px;
  background-color: rgba(40, 167, 69, 0.1);
  border: 2px solid rgba(40, 167, 69, 0.3);
  border-radius: 8px;
  text-align: left;
  animation: slideIn 0.5s ease;
}

.result-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid rgba(40, 167, 69, 0.2);
}

.result-header i {
  font-size: 24px;
  color: #28a745;
}

.result-header h4 {
  font-size: 20px;
  font-weight: 600;
  color: #28a745;
  margin: 0;
}

.result-details p {
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: #555;
}

.result-details strong {
  color: #333;
  min-width: 120px;
  display: inline-block;
}

.validation-info {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.info-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.info-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: rgba(5, 54, 121, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-icon i {
  font-size: 24px;
  color: var(--primary-color);
}

.info-content h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #333;
}

.info-content p {
  font-size: 14px;
  line-height: 1.6;
  color: #666;
  margin: 0;
}

/* Animación para el resultado */
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Estados de validación */
.validation-result.invalid {
  background-color: rgba(220, 53, 69, 0.1);
  border-color: rgba(220, 53, 69, 0.3);
}

.validation-result.invalid .result-header i {
  color: #dc3545;
}

.validation-result.invalid .result-header h4 {
  color: #dc3545;
}

/* Responsive */
@media (max-width: 992px) {
  .validation-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .validation-info {
    order: -1;
  }
}

@media (max-width: 768px) {
  .validation-card {
    padding: 30px 20px;
  }
  
  .validation-icon {
    width: 60px;
    height: 60px;
  }
  
  .validation-icon i {
    font-size: 28px;
  }
  
  .validation-card h3 {
    font-size: 20px;
  }
  
  .info-item {
    flex-direction: column;
    text-align: center;
    gap: 15px;
  }
  
  .info-icon {
    margin: 0 auto;
  }
}

@media (max-width: 576px) {
  .validation-section {
    padding: 60px 0;
  }
  
  .validation-card {
    padding: 25px 15px;
  }
  
  .validation-btn {
    padding: 12px 20px;
    font-size: 15px;
  }
  
  .result-header {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }
  
  .result-details strong {
    display: block;
    margin-bottom: 5px;
  }
}