/* ===== Projects Page ===== */
.projects-header {
  padding-top: 0;
  padding-bottom: 2rem;
}

.projects-header h1 {
  font-family: 'Geist', 'Noto Sans KR', Arial, sans-serif;
  font-size: 1.8rem;
  font-weight: 400;
  margin-bottom: 0.4rem;
}

.filter-bar {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.filter-btn {
  font-family: 'Inter', Arial, sans-serif;
  font-size: 0.75rem;
  font-weight: 400;
  color: color-mix(in srgb, var(--ink) 50%, transparent);
  background: color-mix(in srgb, var(--surface) 60%, white);
  border: 1px solid color-mix(in srgb, var(--accent) 55%, transparent);
  border-radius: 100px;
  padding: 0.2rem 0.75rem;
  cursor: pointer;
  transition: all 0.15s;
}

.filter-btn:hover {
  color: var(--ink-warm);
  border-color: var(--ink-warm);
}

.filter-btn.active {
  color: white;
  background: var(--ink-warm);
  border-color: var(--ink-warm);
}

/* ===== 3-col Grid ===== */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

@media (max-width: 860px)  { .project-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px)  { .project-grid { grid-template-columns: 1fr; } }

/* ===== Project Card ===== */
.project-card {
  background: var(--surface);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  transition: border-color 0.18s;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--ink);
}

.project-thumb-wrap {
  width: 100%;
  aspect-ratio: 4/3;
  background: color-mix(in srgb, var(--surface) 60%, white);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.project-thumb {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.project-thumb-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: color-mix(in srgb, var(--surface) 60%, white);
  display: flex;
  align-items: center;
  justify-content: center;
  color: color-mix(in srgb, var(--accent) 50%, transparent);
}

.project-thumb-placeholder svg { width: 1.5rem; height: 1.5rem; }

.project-card-body {
  padding: 0.75rem 0.9rem 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  flex: 1;
  background: white;
}

.project-num {
  font-size: 0.6rem;
  font-weight: 400;
  color: var(--accent);
}

.project-date {
  font-size: 0.7rem;
  color: #7f90a2;
  margin-top: 0.1rem;
}

.project-title {
  font-family: 'Geist', 'Noto Sans KR', Arial, sans-serif;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.35;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-top: 0.2rem;
}

.project-tags span {
  font-size: 0.6rem;
  font-weight: 400;
  padding: 2px 8px;
  border-radius: 100px;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  color: var(--ink-warm);
}

/* Modal styles are in style.css (shared with home page) */