/* Sección Problems - Rediseño UI/UX Optimizado */

.problems {
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 50%, var(--gray-50) 100%);
  position: relative;
  overflow: hidden;
  padding: var(--spacing-section-min) 0; /* Cambiado de var(--spacing-6xl) para consistencia */
  /* Removido: padding-top: 30px; - redundante */
}

/* Elementos decorativos de fondo */
.problems::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -15%;
  width: 30%;
  height: 120%;
  background: radial-gradient(ellipse, rgba(233, 30, 99, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

.problems::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -15%;
  width: 25%;
  height: 100%;
  background: radial-gradient(ellipse, rgba(156, 39, 176, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* Header de sección mejorado */
.problems .section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-5xl);
  position: relative;
  z-index: 2;
}

.problems .section-title {
  /* font-size: var(--font-size-4xl); - ELIMINADO (ya está en base.css) */
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.problems .section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
}

.problems .section-subtitle {
  font-size: var(--font-size-xl);
  color: var(--gray-600);
  line-height: 1.6;
  margin-top: var(--spacing-xl);
}

/* Grid optimizado con mejor distribución */
.problems__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-4xl);
  position: relative;
  z-index: 2;
}

/* Ajuste móvil para evitar overflow en pantallas pequeñas */
@media screen and (max-width: 575px) {
  .problems__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .problem-card {
    padding: var(--spacing-xl);
  }
}

/* Tarjetas rediseñadas con mayor impacto visual */
.problem-card {
  background: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-2xl);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  border: 1px solid rgba(233, 30, 99, 0.1);
  overflow: hidden;
  transform: translateY(0);
}

/* Efecto de hover mejorado */
.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-soft);
  opacity: 0;
  transition: all var(--transition-normal);
  z-index: 1;
}

.problem-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 20px 40px rgba(233, 30, 99, 0.15);
  border-color: var(--primary-color);
}

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

/* Iconos rediseñados con mayor impacto */
.problem-card__icon {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--spacing-xl);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  z-index: 2;
  transition: all var(--transition-normal);
  box-shadow: 0 8px 25px rgba(233, 30, 99, 0.2);
}

.problem-card:hover .problem-card__icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 35px rgba(233, 30, 99, 0.3);
}

.problem-card__icon i {
  color: var(--white);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Títulos con mejor jerarquía */
.problem-card__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--gray-900);
  position: relative;
  z-index: 2;
  transition: color var(--transition-normal);
}

.problem-card:hover .problem-card__title {
  color: var(--primary-color);
}

/* Descripciones mejoradas */
.problem-card__description {
  color: var(--gray-600);
  line-height: 1.7;
  font-size: var(--font-size-base);
  position: relative;
  z-index: 2;
  margin-bottom: var(--spacing-lg);
}

/* Indicador de severidad */
.problem-card__severity {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: rgba(233, 30, 99, 0.1);
  color: var(--primary-color);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  position: relative;
  z-index: 2;
}

/* Colores específicos para cada tarjeta */
.problem-card:nth-child(1) .problem-card__icon {
  background: linear-gradient(135deg, #E91E63 0%, #AD1457 100%);
}

.problem-card:nth-child(2) .problem-card__icon {
  background: linear-gradient(135deg, #9C27B0 0%, #6A1B9A 100%);
}

.problem-card:nth-child(3) .problem-card__icon {
  background: linear-gradient(135deg, #FF6B9D 0%, #E91E63 100%);
}

.problem-card:nth-child(4) .problem-card__icon {
  background: linear-gradient(135deg, #EC407A 0%, #C2185B 100%);
}

.problem-card:nth-child(5) .problem-card__icon {
  background: linear-gradient(135deg, #AB47BC 0%, #8E24AA 100%);
}

.problem-card:nth-child(6) .problem-card__icon {
  background: linear-gradient(135deg, #F06292 0%, #E91E63 100%);
}

/* Animaciones escalonadas mejoradas */
.problem-card {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.6s ease-out forwards;
}

.problem-card:nth-child(1) { animation-delay: 0.1s; }
.problem-card:nth-child(2) { animation-delay: 0.2s; }
.problem-card:nth-child(3) { animation-delay: 0.3s; }
.problem-card:nth-child(4) { animation-delay: 0.4s; }
.problem-card:nth-child(5) { animation-delay: 0.5s; }
.problem-card:nth-child(6) { animation-delay: 0.6s; }

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

/* CTA Section rediseñada */
.problems__cta {
  text-align: center;
  margin-top: var(--spacing-6xl);
  padding: var(--spacing-2xl) var(--spacing-2xl);
  background: var(--white);
  border-radius: var(--border-radius-2xl);
  box-shadow: 0 10px 40px rgba(233, 30, 99, 0.1);
  border: 2px solid rgba(233, 30, 99, 0.1);
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.problems__cta-text {
  font-size: var(--font-size-xl);
  color: var(--gray-700);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.problems__cta-text strong {
  color: var(--primary-color);
  font-weight: 700;
}

.problems__cta .btn {
  padding: var(--spacing-lg) var(--spacing-3xl);
  font-size: var(--font-size-lg);
  font-weight: 700;
  border-radius: var(--border-radius-full);
  background: var(--gradient-primary);
  color: var(--white);
  text-decoration: none;
  transition: all var(--transition-normal);
  box-shadow: 0 8px 30px rgba(233, 30, 99, 0.3);
  position: relative;
  overflow: hidden;
  margin: 0 auto;
}

.problems__cta .btn::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 0.6s;
}

.problems__cta .btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 15px 45px rgba(233, 30, 99, 0.4);
}

.problems__cta .btn:hover::before {
  left: 100%;
}

/* Elementos decorativos adicionales */
.problems__decoration {
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(233, 30, 99, 0.1);
  animation: float 4s ease-in-out infinite;
}

.problems__decoration:nth-child(1) {
  top: 15%;
  left: 5%;
  animation-delay: 0s;
}

.problems__decoration:nth-child(2) {
  top: 70%;
  right: 8%;
  animation-delay: 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
}

/* Responsive Design Optimizado */
@media screen and (max-width: 1024px) {
  .problems {
    padding: var(--spacing-5xl) 0;
  }
  
  .problems__grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
  }
  
  .problems .section-title {
    font-size: var(--font-size-3xl);
  }
}

@media screen and (max-width: 768px) {
  .problems {
    padding: var(--spacing-4xl) 0;
  }
  
  .problems__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .problem-card {
    padding: var(--spacing-xl);
  }
  
  .problem-card__icon {
    width: 80px;
    height: 80px;
    font-size: 2.5rem;
  }
  
  .problems .section-title {
    font-size: var(--font-size-2xl);
  }
  
  .problems .section-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .problems__cta {
    padding: var(--spacing-2xl) var(--spacing-lg);
    margin-top: var(--spacing-4xl);
  }
}

@media screen and (max-width: 480px) {
  .problems {
    padding: var(--spacing-3xl) 0;
  }
  
  .problem-card {
    padding: var(--spacing-lg);
  }
  
  .problem-card__icon {
    width: 70px;
    height: 70px;
    font-size: 2rem;
  }
  
  .problem-card__title {
    font-size: var(--font-size-xl);
  }
  
  .problems .section-title {
    font-size: var(--font-size-xl);
  }
  
  .problems__cta-text {
    font-size: var(--font-size-lg);
  }
}

/* Ajuste adicional para evitar recortes del botón en tarjetas pequeñas */
@media screen and (max-width: 575px) {
  .problems__cta .btn {
    width: 100%;
    max-width: 100%;
    white-space: normal;
    padding: var(--spacing-md) var(--spacing-xl);
  }
}

/* Mejoras de accesibilidad */
@media (prefers-reduced-motion: reduce) {
  .problem-card,
  .problems__decoration {
    animation: none;
  }
  
  .problem-card:hover,
  .problem-card:hover .problem-card__icon,
  .problems__cta .btn:hover {
    transform: none;
  }
}

/* Estados de focus mejorados */
.problems__cta .btn:focus-visible {
  outline: 3px solid var(--primary-light);
  outline-offset: 3px;
}

/* Efectos adicionales para pantallas grandes */
@media screen and (min-width: 1200px) {
  .problems__grid {
    grid-template-columns: repeat(3, 1fr);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;    
  }
  
  .problem-card:nth-child(4),
  .problem-card:nth-child(5),
  .problem-card:nth-child(6) {
    margin-top: var(--spacing-xl);
  }
}