.research-showcase {
  padding: 6rem 2rem;
  background: #fff;
  position: relative;
  overflow: hidden;
}

.research-intro {
  max-width: 1000px;
  margin: 0 auto 1rem;
  text-align: center;
}

.research-intro h2 {
  font-size: 3rem;
  margin-bottom: 4rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease forwards;
  position: relative;
  display: inline-block;
  margin: 0 auto;
  text-align: center;
}

.research-intro h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: #000;
  opacity: 0;
  animation: fadeInUpLine 1s ease 0.3s forwards;
}

.research-description {
  max-width: 1000px;
  margin: 15px auto 0;
  font-size: 1.3rem;
  line-height: 1.7;
  color: #444;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease 0.2s forwards;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  perspective: 1000px;
}

.research-item {
  position: relative;
  height: 400px;
  border-radius: 20px;
  overflow: hidden;
  transform-style: preserve-3d;
  transform: translateZ(0);
  transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: calc(var(--item-index, 0) * 0.2s);
}

.research-item:nth-child(1) { --item-index: 1; }
.research-item:nth-child(2) { --item-index: 2; }
.research-item:nth-child(3) { --item-index: 3; }

.research-item:hover {
  transform: translateY(-10px) translateZ(0);
}

.research-item-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.research-item-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.7);
  transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1), filter 0.6s ease;
}

.research-item:hover .research-item-bg img {
  transform: scale(1.05);
  filter: brightness(0.5);
}

.research-content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 2rem;
  z-index: 2;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  transform: translateY(20px);
  opacity: 0;
  transition: transform 0.6s ease, opacity 0.6s ease;
}

.research-item:hover .research-content {
  transform: translateY(0);
  opacity: 1;
}

.research-content h3 {
  color: #fff;
  font-size: 1.5rem;
  margin: 0;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: calc((var(--item-index, 0) * 0.2s) + 0.3s);
}

.research-content p {
  color: rgba(255, 255, 255, 0.8);
  margin-top: 1rem;
  font-size: 0.9rem;
  line-height: 1.6;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.6s ease, opacity 0.6s ease, margin-top 0.6s ease;
}

.research-item:hover .research-content p {
  max-height: 100px;
  opacity: 1;
  margin-top: 1rem;
}

.research-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 20px;
  box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
  z-index: 3;
  transition: box-shadow 0.6s ease;
  pointer-events: none;
}

.research-item:hover::after {
  box-shadow: 0 0 20px 3px rgba(255, 255, 255, 0.3);
}

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

@keyframes fadeInUpLine {
  0% {
    opacity: 0;
    transform: translate(-50%, 20px);
  }
  100% {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

@media (max-width: 1024px) {
  .research-grid { grid-template-columns: repeat(2, 1fr); }
  .research-item { height: 350px; }
  .research-intro h2 { font-size: 2.5rem; }
}

@media (max-width: 768px) {
  .research-grid { grid-template-columns: 1fr; }
  .research-item { height: 300px; }
  .research-intro h2 { font-size: 2rem; }
  .research-description { font-size: 1rem; }
  .research-showcase { padding: 4rem 1.5rem; }
}

@media (max-width: 480px) {
  .research-intro h2 { font-size: 1.8rem; }
  .research-item { height: 250px; }
  .research-content { padding: 1.5rem; }
  .research-content h3 { font-size: 1.3rem; }
  .research-showcase { padding: 3rem 1rem; }
}