.section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
}

.content-container {
  max-width: 900px;
  width: 100%;
  text-align: center;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: bold;
  text-align: center;
  color: white;
  text-shadow: 3px 3px 10px rgba(0, 0, 0, 0.3);
  margin-bottom: 3rem;
  animation: pulse 2s infinite;
}

.group-subtitle {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.25);
  margin: 1.5rem 0 0.8rem;
}

.group-collage {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto 2.5rem;
  column-count: 1;
  column-gap: 1.2rem;
}

.collage-item {
  break-inside: avoid;
  margin-bottom: 1.2rem;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 22px;
  padding: 0.5rem;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.18);
  overflow: hidden;
  transform: rotate(var(--tilt, 0deg));
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.collage-item:nth-child(6n + 1) {
  --tilt: -1.6deg;
}

.collage-item:nth-child(6n + 2) {
  --tilt: 1.3deg;
}

.collage-item:nth-child(6n + 3) {
  --tilt: -0.8deg;
}

.collage-item:nth-child(6n + 4) {
  --tilt: 1deg;
}

.collage-item:nth-child(6n + 5) {
  --tilt: -1.2deg;
}

.collage-item:nth-child(6n) {
  --tilt: 1.5deg;
}

.collage-item:hover {
  transform: rotate(var(--tilt, 0deg)) translateY(-8px) scale(1.02);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.28);
}

.collage-item img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  display: block;
}

@media (min-width: 650px) {
  .group-collage {
    column-count: 2;
  }
}

@media (min-width: 980px) {
  .group-collage {
    column-count: 3;
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.personas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  width: 100%;
  max-width: 1200px;
  margin: 2rem auto;
}

.personas-grid--wrap-center {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.personas-grid--wrap-center .persona-card {
  flex: 0 1 250px;
}

.persona-card {
  background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
  border-radius: 20px;
  padding: 2rem;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
  text-decoration: none;
  color: #333;
  border: 3px solid transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  position: relative;
  overflow: hidden;
}

.persona-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(255, 107, 107, 0.1) 0%,
    rgba(255, 217, 61, 0.1) 100%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 0;
}

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

.persona-card:hover {
  transform: translateY(-15px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
  border-color: #ff6b6b;
}

.persona-emoji {
  font-size: 4rem;
  margin-bottom: 1rem;
  transition: all 0.4s ease;
  z-index: 1;
}

.persona-card:hover .persona-emoji {
  transform: scale(1.3) rotate(10deg);
}

.persona-name {
  font-size: 1.8rem;
  font-weight: bold;
  color: #333;
  transition: all 0.4s ease;
  z-index: 1;
}

.persona-card:hover .persona-name {
  color: #ff6b6b;
}

.persona-description {
  font-size: 0.95rem;
  color: #666;
  margin-top: 0.5rem;
  transition: all 0.4s ease;
  z-index: 1;
}

.persona-card:hover .persona-description {
  color: #ff6b6b;
}

.click-hint {
  font-size: 0.85rem;
  color: #999;
  margin-top: 1rem;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 1;
}

.persona-card:hover .click-hint {
  opacity: 1;
}

@media (max-width: 768px) {
  .section {
    min-height: 80vh;
    padding: 2rem 1rem;
  }

  .personas-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .personas-grid--wrap-center {
    flex-direction: column;
    align-items: stretch;
  }

  .personas-grid--wrap-center .persona-card {
    flex-basis: auto;
    width: 100%;
  }

  .persona-card {
    min-height: 220px;
  }

  .persona-emoji {
    font-size: 3rem;
  }

  .persona-name {
    font-size: 1.5rem;
  }
}