/* ============================================================
   PROJECTS PAGE STYLES
   ============================================================ */

/* ── Page Header ── */
.page-header {
  padding-top: calc(var(--nav-h) + 4rem);
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--border);
}

.page-header h1 em {
  color: var(--accent);
  font-style: italic;
}

.page-lead {
  font-size: 1.05rem;
  color: var(--fg-muted);
  margin-top: 0.75rem;
  max-width: 58ch;
  line-height: 1.75;
}

.header-stats {
  display: flex;
  gap: 0.75rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--fg-muted);
}

.stat-pill .stat-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--accent);
}

/* ── Filter Bar ── */
.filter-bar-section {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-raised);
  position: sticky;
  top: var(--nav-h);
  z-index: 50;
}

.filter-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.filter-btn {
  padding: 0.42rem 1rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--fg-muted);
  background: transparent;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.25s ease;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.filter-btn:hover {
  color: var(--fg);
  border-color: var(--accent);
  background: rgba(37, 18, 162, 0.04);
}

.filter-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 14px rgba(37, 18, 162, 0.25);
}

/* ── Projects Grid ── */
.projects-section {
  padding-top: 4rem;
  padding-bottom: 5rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

/* ── Project Card ── */
.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.35s ease, box-shadow 0.35s ease;
  display: flex;
  flex-direction: column;
  position: relative;
}

.project-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent) 0%, transparent 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.project-card:hover::after {
  transform: scaleX(1);
}

.project-card:hover {
  border-color: rgba(37, 18, 162, 0.2);
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
}

.project-card.hidden {
  display: none;
}

/* Card Body */
.project-card-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.project-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.project-year {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--fg-faint);
  white-space: nowrap;
}

.project-card-body h3 {
  font-size: 1.08rem;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.35;
}

.project-card-body p {
  font-size: 0.87rem;
  color: var(--fg-muted);
  line-height: 1.75;
  margin: 0;
}

/* ── Tech Stack Pills (no icons) ── */
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.1rem;
}

.tech-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
}

/* ── Muted link state ── */
.btn--muted {
  color: var(--fg-faint);
  cursor: default;
  pointer-events: none;
}

/* ── CTA Strip ── */
.cta-strip {
  padding: 4.5rem 0;
  border-top: 1px solid var(--border);
  background: var(--bg-raised);
}

.cta-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta-strip-inner h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.03em;
  margin-bottom: 0.4rem;
}

.cta-strip-inner p {
  color: var(--fg-muted);
  margin: 0;
}

/* ── Reveal animation ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s cubic-bezier(0.25, 1, 0.5, 1),
              transform 0.65s cubic-bezier(0.25, 1, 0.5, 1);
  transition-delay: var(--delay, 0s);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .page-header {
    padding-top: calc(var(--nav-h) + 2rem);
    padding-bottom: 2.5rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .cta-strip-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .filter-btn {
    font-size: 0.75rem;
    padding: 0.35rem 0.8rem;
  }
}