/**
 * EdgeNova — projects.css
 */

.projects-hero { background: var(--charcoal); }
.projects-hero .page-hero-tag   { color: var(--bronze); }
.projects-hero .page-hero-title { color: var(--off-white); }
.projects-hero .page-hero-sub   { color: var(--mid-grey); }

/* ── Filter Bar ───────────────────────────────────────────────────────── */
.projects-section { background: var(--off-white); }

.filter-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
  padding: 0.4rem;
  background: var(--cream);
  border: 1px solid var(--divider);
  border-radius: var(--radius-full);
  width: fit-content;
}

.filter-btn {
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--mid-grey);
  transition: all var(--transition);
  white-space: nowrap;
  position: relative;
}

.filter-btn:hover { color: var(--charcoal); }

.filter-btn.active {
  background: var(--charcoal);
  color: var(--bronze-light);
  box-shadow: var(--shadow-sm);
}

/* ── Projects Grid ────────────────────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.project-card {
  background: white;
  border: 1px solid var(--divider);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 0;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), opacity 0.4s var(--ease);
}

.project-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--bronze-dark), var(--bronze-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(200,169,122,0.35);
}

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

/* Featured card */
.project-card.featured {
  background: var(--charcoal);
  border-color: rgba(200,169,122,0.2);
  grid-column: span 1;
}

.project-card.featured .pc-cat   { color: var(--bronze); }
.project-card.featured .pc-industry { color: rgba(255,255,255,0.4); }
.project-card.featured .pc-title { color: var(--off-white); }
.project-card.featured .pc-excerpt { color: var(--mid-grey); }

.pc-featured-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  background: rgba(200,169,122,0.15);
  border: 1px solid rgba(200,169,122,0.3);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bronze-light);
  margin-bottom: 0.75rem;
  width: fit-content;
}

/* Hidden */
.project-card.hidden {
  display: none;
}

/* Card parts */
.pc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.pc-cat {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bronze);
}

.pc-industry {
  font-size: 0.7rem;
  color: var(--light-grey);
  font-style: italic;
  text-align: right;
  max-width: 120px;
}

.pc-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--charcoal);
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 0.65rem;
}

.pc-excerpt {
  font-size: 0.83rem;
  color: var(--mid-grey);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 1rem;
}

.pc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
}

.pc-footer { margin-top: auto; }

.pc-expand {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--bronze-dark);
  padding: 0;
  border-bottom: 1px solid rgba(200,169,122,0.3);
  padding-bottom: 2px;
  transition: color var(--transition), gap var(--transition), border-color var(--transition);
}

.project-card.featured .pc-expand { color: var(--bronze-light); }

.pc-expand:hover { color: var(--bronze); border-color: var(--bronze); gap: 0.55rem; }
.pc-expand svg { transition: transform var(--transition); }
.pc-expand:hover svg { transform: translateX(3px); }

/* ── Modal ────────────────────────────────────────────────────────────── */
/*
 * IMPORTANT: Use .is-open class, NOT the hidden attribute, to control
 * visibility. The hidden attribute does NOT override display:flex in CSS.
 * Base state: invisible, no pointer events (so it never blocks page clicks).
 */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(30,26,22,0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  /* Hidden by default — cannot block clicks */
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity 0.35s var(--ease), visibility 0.35s;
}

/* Open state */
.modal-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.modal-sheet {
  background: var(--off-white);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 660px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(30px) scale(0.97);
  transition: transform 0.4s var(--ease-spring);
  box-shadow: var(--shadow-lg);
}

.modal-overlay.is-open .modal-sheet {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: sticky;
  top: 0;
  float: right;
  margin: 16px 16px 0 0;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--cream);
  border: 1px solid var(--divider);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--charcoal);
  z-index: 2;
  transition: background var(--transition), transform var(--transition);
}

.modal-close:hover { background: var(--cream-dark); transform: rotate(90deg); }

.modal-body { padding: 32px; clear: both; }

.modal-cat {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 0.4rem;
}

.modal-industry {
  font-size: 0.8rem;
  color: var(--mid-grey);
  font-style: italic;
  margin-bottom: 0.75rem;
}

.modal-title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  font-weight: 800;
  color: var(--charcoal);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 2rem;
}

.modal-sections { display: flex; flex-direction: column; gap: 1.5rem; }

.modal-section-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bronze-dark);
  margin-bottom: 0.5rem;
}

.modal-section p {
  font-size: 0.9rem;
  color: var(--mid-grey);
  line-height: 1.75;
}

/* Mobile: bottom sheet */
@media (max-width: 768px) {
  .modal-overlay {
    align-items: flex-end;
    padding: 0;
  }

  .modal-sheet {
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    max-width: 100%;
    max-height: 85vh;
    transform: translateY(100%) !important;
  }

  .modal-overlay.is-open .modal-sheet {
    transform: translateY(0) !important;
  }
}

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .filter-bar {
    width: 100%;
    border-radius: var(--radius-lg);
    overflow-x: auto;
    flex-wrap: nowrap;
  }
  .filter-btn { flex-shrink: 0; }
}

@media (max-width: 640px) {
  .projects-grid { grid-template-columns: 1fr; }
}