.projects-archive {
  min-height: calc(100vh - var(--nav-h));
  padding-top: 5rem;
}

.projects-archive .box-container {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 36px;
}

.filter-bar {
  max-width: var(--container);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 36px auto 0;
}

.filter-btn {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: rgba(255, 255, 255, 0.055);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 900;
  transition: transform var(--ease), border-color var(--ease), background var(--ease), color var(--ease);
}

.filter-btn:hover,
.filter-btn.active {
  transform: translateY(-2px);
  border-color: rgba(14, 165, 233, 0.45);
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  color: #020617;
}

.projects-archive .project-description {
  display: block;
  min-height: auto;
  -webkit-line-clamp: unset;
}

.projects-archive .project-details {
  color: var(--text-primary);
}

.btn-disabled {
  opacity: 0.4;
  cursor: not-allowed;
  position: relative;
}

.btn-disabled:hover::after {
  content: attr(title);
  position: absolute;
  bottom: 120%;
  left: 50%;
  transform: translateX(-50%);
  background: #1e293b;
  color: #94a3b8;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  white-space: nowrap;
}