.page-header {
  padding-top: calc(var(--nav-h) + 4rem);
  padding-bottom: 3rem;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  max-width: 1600px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.page-header p {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

.page-header h1 {
  font-family: "Playfair Display", serif;
  font-weight: 400;
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--text);
  line-height: 1.1;
}

/* ── PROJECTS GRID ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1px;
  background: var(--border);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.project-card {
  background: var(--bg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-decoration: none;
  color: var(--text);
  transition: background 0.2s;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.project-card:hover {
  background: var(--surface);
}

.project-card:hover .card-arrow {
  transform: translate(3px, -3px);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.card-number {
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  font-variant-numeric: tabular-nums;
}

.card-arrow {
  color: var(--muted);
  font-size: 1rem;
  transition: transform 0.2s ease;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.card-desc {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.6;
  flex: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.tag {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
}

/* Featured cards (first one, full width) */
.project-card.featured {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: center;
  gap: 3rem;
  padding: 3rem 2rem;
}

.featured .card-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
}

.featured .card-title {
  font-family: "Playfair Display", serif;
  font-weight: 400;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
}

.featured-label {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

@media (max-width: 700px) {
  .project-card.featured {
    flex-direction: column;
    gap: 1.5rem;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
}