.category-title {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 12px;
  color: var(--primary-color);
}

.category-desc {
  text-align: center;
  font-size: 1rem;
  margin-bottom: 16px;
  color: var(--light-text);
}

.projects-wrapper {
  position: relative;
  margin: 0 24px;
}

.projects-container {
  display: flex;
  overflow-x: auto;
  gap: 24px;
  padding: 24px 12px;
  margin-bottom: 80px;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
  align-items: flex-start;
}

.projects-container::-webkit-scrollbar {
  height: 10px;
}

.projects-container::-webkit-scrollbar-track {
  margin: 150px;
  background: var(--light-gray);
  border-radius: 12px;
}

.projects-container::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg,var(--primary-color),var(--primary-dark));
  border-radius: 12px;
}

.card {
  position: relative;
  background:var(--gradient-background);
  border: var(--border-general);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-project-card);
  transition: all 0.4s ease;
  min-width: 320px;
  max-width: 420px;
  flex-shrink: 0;
}

.card::after {
  content: '';
  position: absolute;
  bottom: -80px;
  right: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  opacity: 0.25;
  filter: blur(45px);
  z-index: 0;
}

.card > * {
  position: relative;
  z-index: 1;
}

.card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-project-card-hover);
}

.project-image {
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
}

.project-image img {
  display: block;
  width: 100%;
  height: 320px;
  object-fit: cover;
  transition: transform .25s ease, filter .25s ease;
}

.project-image:hover img {
  transform: scale(1.02);
  filter: brightness(.95);
}

.slider-container {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.5s ease;
}

.slider-nav {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 8px;
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--light-gray);
  cursor: pointer;
  transition: all 0.3s ease;
}

.slider-dot.active {
  background: var(--primary-dark);
  transform: scale(1.2);
}

.slider-arrows {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 10px;
  transform: translateY(-50%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-image:hover .slider-arrows {
  opacity: 1;
}

/* Auto-play controls */
.slider-controls {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  gap: 5px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-image:hover .slider-controls {
  opacity: 1;
}

.project-content {
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-grow: 1;
}

.project-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.project-title h3 {
  margin: 0;
  font-size: 1.4rem;
  color: var(--light-text);
}

.toggle-arrow {
  display: inline-block;
  cursor: pointer;
  transition: transform .28s ease;
  color: var(--primary-dark);
  font-size: 1.9rem;
  transform-origin: center;
}

.card.open .toggle-arrow {
  transform: rotate(180deg);
}

/* details area (collapsible) */
.details {
  max-height: 0;
  overflow: hidden;
  padding: 0 18px;
  background: var(--inner-details-background);
  border-radius: 24px;
  transition: max-height .36s ease, padding .28s ease;
  flex-shrink: 0;
}

.details-inner {
  padding: 14px 0;
  color: var(--light-text);
  font-size: 14px;
  line-height: 1.6;
}

.project-features {
  margin: 8px 0 0 16px;
  padding: 0;
}

.project-features li {
  margin: 6px 0;
}

.project-tags {
  margin: 10px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-tags span {
  background: var(--project-tags-background);
  border: var(--border-project-tags);
  color: var(--light-text);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 12px;
}

.project-links {
  margin-top: 12px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-items: auto;
  justify-content: space-between;
}