/* ============================================================
   PROJECTS PAGE — additional styles
   Inherits all tokens and base styles from style.css
   ============================================================ */

/* ── Page header ── */
.page-header {
  padding: calc(var(--nav-h) + 80px) 32px 56px;
}
.page-title {
  font-size: clamp(44px, 7vw, 88px);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
  transition-delay: 0.1s;
}
.page-subtitle {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.75;
  max-width: 560px;
  transition-delay: 0.2s;
}

/* ── Filters ── */
.filters-bar {
  padding: 0 32px 48px;
}
.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.filter-btn {
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  background: rgba(28, 25, 23, 0.05);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 7px 18px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  letter-spacing: 0.01em;
  min-height: 36px;
}
.filter-btn:hover {
  color: var(--text);
  border-color: rgba(28, 25, 23, 0.2);
  background: rgba(28, 25, 23, 0.08);
}
.filter-btn.active {
  color: var(--bg);
  background: var(--accent-light);
  border-color: var(--accent-light);
}

/* ── Projects grid ── */
.projects-section {
  padding: 0 32px 120px;
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}

/* ── Project card ── */
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.project-card:hover {
  background: var(--surface-hover);
  border-color: rgba(196, 98, 45, 0.25);
  transform: translateY(-2px);
}
.project-card:hover::before { opacity: 1; }
.project-card.hidden { display: none; }

.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.project-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}
.project-year {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.project-title {
  font-size: 22px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.3;
  letter-spacing: -0.015em;
}
.project-desc {
  font-size: 14px;
  color: var(--muted-light);
  line-height: 1.75;
  flex-grow: 1;
}

/* ── Outcome stats ── */
.project-outcomes {
  display: flex;
  gap: 24px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.outcome {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.outcome-value {
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--accent-light);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
}
.outcome-label {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ── Active nav link ── */
.nav-active {
  color: var(--text) !important;
}

/* ── CTA section ── */
.projects-cta {
  padding: 120px 32px;
  background: linear-gradient(135deg, var(--bg) 0%, rgba(196, 98, 45, 0.06) 100%);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .project-card { padding: 32px; }
}

@media (max-width: 640px) {
  .page-header { padding: calc(var(--nav-h) + 48px) 20px 40px; }
  .filters-bar { padding: 0 20px 36px; }
  .projects-section { padding: 0 20px 80px; }
  .projects-cta { padding: 80px 20px; }
  .project-card { padding: 24px 20px; gap: 20px; }
  .project-title { font-size: 19px; }
  .project-outcomes { gap: 16px; flex-wrap: wrap; }
  .outcome-value { font-size: 18px; }
  .page-subtitle { font-size: 15px; }
}