/* ===== Filter Tabs ===== */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 8px 24px;
  border-radius: 20px;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  cursor: pointer;
}

.filter-tab:hover,
.filter-tab.active {
  background: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
}

/* ===== Cases Grid ===== */
.cases-masonry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-item {
  background: var(--color-secondary);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  cursor: pointer;
}

.case-item:hover {
  transform: translateY(-8px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card-hover);
}

.case-item.hidden {
  display: none;
}

.case-item__img {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-item__img svg {
  width: 48px;
  height: 48px;
  fill: var(--color-accent);
  opacity: 0.3;
}

.case-item__body {
  padding: 20px;
}

.case-item__tags {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}

.case-item__tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 0.75rem;
  background: rgba(45, 124, 255, 0.15);
  color: var(--color-accent);
  border-radius: 4px;
}

.case-item__title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.case-item__desc {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===== Case Modal ===== */
.case-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.case-modal.open {
  opacity: 1;
  visibility: visible;
}

.case-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
}

.case-modal__content {
  position: relative;
  background: var(--color-secondary);
  border-radius: var(--radius);
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  padding: 36px;
  border: 1px solid var(--color-border);
}

.case-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

.case-modal__close:hover {
  color: var(--color-text);
}

.case-modal__close svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.case-modal__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  padding-right: 32px;
}

.case-modal__tags {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}

.case-modal__desc {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.case-modal__detail h4 {
  font-size: 0.9375rem;
  margin-bottom: 8px;
  color: var(--color-accent);
}

.case-modal__detail ul {
  list-style: none;
  padding: 0;
}

.case-modal__detail li {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  padding: 4px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.case-modal__detail li::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .cases-masonry {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .cases-masonry {
    grid-template-columns: 1fr;
  }
  .case-modal__content {
    padding: 24px;
  }
}