/* Problems Section - Visual Timeline Design */
#problems {
  position: relative;
  background: linear-gradient(135deg, #FFF5F9 0%, #FFE8F1 100%);
  overflow: hidden;
  padding: 5rem 0;
}

#problems .container {
  position: relative;
  z-index: 2;
}

.problems-timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 0;
}

.problem-item {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  margin-bottom: 4rem;
  position: relative;
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.problem-item.revealed {
  opacity: 1;
  transform: translateX(0);
}

.problem-item:nth-child(even) {
  flex-direction: row-reverse;
  transform: translateX(50px);
}

.problem-item:nth-child(even).revealed {
  transform: translateX(0);
}

.problem-visual {
  flex-shrink: 0;
  position: relative;
}

.problem-icon-wrapper {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #FF5893, #FF7AB5);
  border-radius: 50%;
  box-shadow: 0 20px 60px rgba(255, 88, 147, 0.4);
}

.problem-emoji {
  font-size: 3rem;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
  position: relative;
  z-index: 2;
}

.problem-pulse {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(135deg, #FF5893, #FF7AB5);
  opacity: 0.3;
  animation: pulse-wave 2s ease-out infinite;
}

.problem-item:nth-child(2) .problem-pulse {
  animation-delay: 0.5s;
}

.problem-item:nth-child(3) .problem-pulse {
  animation-delay: 1s;
}

.problem-item:nth-child(4) .problem-pulse {
  animation-delay: 1.5s;
}

@keyframes pulse-wave {
  0% {
    transform: scale(1);
    opacity: 0.3;
  }
  50% {
    transform: scale(1.3);
    opacity: 0.1;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}

.problem-content {
  flex: 1;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid rgba(255, 88, 147, 0.2);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.problem-content:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 50px rgba(255, 88, 147, 0.2);
}

.problem-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #FF5893, #E63980);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.problem-description {
  color: #555;
  line-height: 1.8;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.problem-stats {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, #FF5893, #FF7AB5);
  color: white;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(255, 88, 147, 0.3);
}

/* Connecting line between problems */
.problems-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, #FF5893, #FF7AB5);
  transform: translateX(-50%);
  opacity: 0.3;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  #problems {
    padding: 3rem 0;
  }

  .problems-timeline::before {
    left: 60px;
  }

  .problem-item,
  .problem-item:nth-child(even) {
    flex-direction: row;
    transform: translateX(-30px);
  }

  .problem-item.revealed,
  .problem-item:nth-child(even).revealed {
    transform: translateX(0);
  }

  .problem-icon-wrapper {
    width: 80px;
    height: 80px;
  }

  .problem-emoji {
    font-size: 2rem;
  }

  .problem-content {
    padding: 1.5rem;
  }

  .problem-title {
    font-size: 1.25rem;
  }

  .problem-description {
    font-size: 0.9rem;
  }
}