/* ============================================================
   L&M Computing — Portfolio page
   ============================================================ */

.portfolio-section { background: #fff; padding: 80px 0 100px; }

.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 52px; }
.filter-btn {
  font-family: 'Space Mono', monospace;
  font-size: 10px; letter-spacing: 0.10em; text-transform: uppercase;
  border: 1.5px solid var(--gray-200); border-radius: 20px;
  padding: 7px 18px; background: transparent; color: var(--gray-500);
  cursor: pointer; transition: all 0.2s;
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--interactive);
  color: var(--interactive);
  background: var(--pale);
}

.projects-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}

.project-card {
  border-radius: 20px; overflow: hidden;
  border: 1px solid var(--gray-100);
  transition: transform 0.35s cubic-bezier(0.22,1,0.36,1), box-shadow 0.3s;
}
.project-card.dark-card { border: none; }
.project-card:hover { transform: translateY(-6px); box-shadow: 0 20px 56px rgba(0,0,0,0.12); }

.project-card[data-hidden] { display: none; }

.project-link-wrap {
  display: block; text-decoration: none; color: inherit;
  height: 100%;
}

.project-thumb {
  width: 100%; aspect-ratio: 16/9;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; position: relative;
}
.project-thumb img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: top center;
  display: block; transition: transform 0.5s cubic-bezier(0.22,1,0.36,1);
}
.project-card:hover .project-thumb img { transform: scale(1.04); }
.project-thumb-letter {
  font-family: 'Unbounded', sans-serif; font-weight: 800;
  font-size: 72px; letter-spacing: -0.04em;
  user-select: none;
}

.project-body { padding: 28px; }
.project-tag {
  font-family: 'Space Mono', monospace;
  font-size: 10px; letter-spacing: 0.10em; text-transform: uppercase;
}
.project-title {
  font-family: 'Unbounded', sans-serif;
  font-weight: 700; font-size: 20px; line-height: 1.15;
  margin: 8px 0 10px;
}
.project-desc {
  font-family: 'DM Sans', sans-serif;
  font-size: 14px; line-height: 1.75; margin-bottom: 20px;
}
.project-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.project-tech {
  font-family: 'Space Mono', monospace;
  font-size: 10px; letter-spacing: 0.08em;
  padding: 4px 10px; border-radius: 12px;
}
.project-tech.light { background: var(--pale);                  color: var(--gray-500); }
.project-tech.dark  { background: rgba(255,255,255,0.08);        color: rgba(255,255,255,0.45); }

@media (max-width: 1024px) {
  .projects-grid { grid-template-columns: 1fr 1fr !important; }
}
@media (max-width: 768px) {
  .projects-grid { grid-template-columns: 1fr !important; }
  .project-body  { padding: 20px; }
  .project-title { font-size: 18px; }
}