.section:nth-child(odd) {
  background: linear-gradient(135deg, #ffd89b 0%, #19547b 100%);
}

.section:nth-child(even) {
  background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  margin-bottom: 2rem;
}

.hero-title--groups {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: 3rem;
}

.text-block {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  line-height: 1.6;
  color: white;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
  padding: 2rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  margin: 2rem 0;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.visual-block {
  width: 100%;
  max-width: 600px;
  height: 400px;
  margin: 2rem auto;
  background: linear-gradient(45deg, #ffecd2 0%, #fcb69f 100%);
  border-radius: 25px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #333;
  font-weight: bold;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
  padding: 0;
  transition: all 0.5s ease;
}

.visual-block::before { content: none; }

.visual-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.visual-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1rem 1.25rem;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.55) 60%,
    rgba(0, 0, 0, 0.75) 100%
  );
  color: white;
  font-size: 1.1rem;
  font-weight: 700;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.6);
}

.visual-block:hover {
  transform: scale(1.05);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.3);
}

.separator {
  font-size: 3rem;
  margin: 2rem 0;
  animation: spin 3s linear infinite;
  text-align: center;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.quote {
  font-style: italic;
  font-size: 1.4rem;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 15px;
  margin: 2rem 0;
  color: #333;
  border-left: 5px solid #ff6b6b;
}

.final-cta {
  background: linear-gradient(45deg, #ff6b6b, #ffd93d);
  color: white;
  border: none;
  padding: 1.5rem 3rem;
  font-size: 1.3rem;
  font-weight: bold;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(255, 107, 107, 0.4);
  margin-top: 2rem;
}

.final-cta:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(255, 107, 107, 0.6);
}

.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 4px;
  background: linear-gradient(90deg, #ff6b6b, #ffd93d);
  z-index: 1000;
  transition: width 0.1s ease;
}

.scroll-indicator {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  font-size: 1.2rem;
  background: rgba(0, 0, 0, 0.5);
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  opacity: 0;
  transition: all 0.3s ease;
}

.scroll-indicator.show {
  opacity: 1;
}

#personas .personas-grid {
  max-width: 900px;
}

@media (min-width: 820px) {
  #personas .personas-grid {
    grid-template-columns: repeat(2, minmax(260px, 1fr));
  }
}

@media (min-width: 1200px) {
  #personas .personas-grid {
    max-width: 1200px;
    grid-template-columns: repeat(4, minmax(220px, 1fr));
  }
}

@media (max-width: 768px) {
  .text-block {
    font-size: 1.1rem;
    padding: 1.5rem;
  }

  .visual-block {
    max-width: 92vw;
    height: min(60vh, 420px);
  }

  .visual-media {
    object-fit: contain;
  }
}

@media (hover: none) and (pointer: coarse) {
  .visual-block:hover {
    transform: none;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
  }
}