/* products.css */
.filter-bar {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 48px;
}
.filter-btn {
  font-family: var(--font-mono); font-size: 0.8rem; font-weight: 500;
  padding: 8px 18px; border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: transparent;
  transition: all var(--t-fast);
  letter-spacing: 0.03em;
  cursor: pointer;
}
.filter-btn:hover { color: var(--text-primary); border-color: var(--border-accent); background: var(--accent-glow2); }
.filter-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-bright));
  color: #fff; border-color: transparent;
  box-shadow: 0 4px 16px rgba(26,140,255,0.3);
}

.projects-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.project-card {
  display: flex; flex-direction: column;
}
.project-card .card-top {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 16px;
}
.project-card h3 {
  font-family: var(--font-display); font-size: 1.4rem;
  font-weight: 700; margin: 12px 0 10px; letter-spacing: -0.02em;
}
.project-card .desc {
  font-size: 0.9rem; color: var(--text-secondary);
  line-height: 1.7; flex: 1; margin-bottom: 20px;
}
.project-card .stack { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 24px; }
.project-card .divider-line {
  height: 1px; background: var(--border); margin-bottom: 20px;
}
.project-card .card-footer {
  display: flex; align-items: center; justify-content: space-between; margin-top: auto;
}
.project-card .card-footer a {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 0.8rem; font-weight: 500;
  color: var(--text-secondary); transition: color var(--t-fast);
}
.project-card .card-footer a:hover { color: var(--accent); }
.project-card .card-footer a.primary-link {
  background: linear-gradient(135deg, var(--accent), var(--accent-bright));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.partnership-cta {
  margin-top: 72px;
  background: var(--bg-card); border: 1px dashed var(--border-accent);
  border-radius: 20px; padding: 56px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
}
.partnership-cta h3 {
  font-family: var(--font-display); font-size: 1.6rem;
  font-weight: 700; letter-spacing: -0.02em; margin-bottom: 8px;
}
.partnership-cta p {
  color: var(--text-secondary); font-size: 0.95rem; max-width: 400px; line-height: 1.7;
}
@media (max-width: 768px) {
  .projects-grid { grid-template-columns: 1fr; }
  .partnership-cta { padding: 32px 24px; flex-direction: column; }
}



.card::before {
  pointer-events: none;
}

.primary-link {
  position: relative;
  z-index: 2;
}

.card-footer {
  position: relative;
  z-index: 2;
}