/* ============================================
   CODEWAFT — Projects Vault Page
   Classified Artifacts Archive
   ============================================ */

.projects-vault {
  padding: var(--space-4xl) 0;
}

/* Filter Bar */
.vault-filters {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}
.vault-filter {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.vault-filter:hover,
.vault-filter.active {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(var(--color-accent-rgb), 0.05);
}

/* Projects Grid */
.vault-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.vault-item {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-surface);
  transition: all 0.5s var(--ease-out-expo);
  cursor: none;
}

/* Capsule glow on hover */
.vault-item::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg,
    rgba(var(--color-accent-rgb), 0.2),
    transparent 50%,
    rgba(var(--color-secondary-rgb), 0.15)
  );
  opacity: 0;
  transition: opacity 0.5s;
  z-index: 0;
}
.vault-item:hover::before {
  opacity: 1;
}
.vault-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 80px rgba(0,0,0,0.1),
              0 0 40px rgba(var(--color-accent-rgb), 0.1);
}

/* Vault Item Visual */
.vault-visual {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-bg-elevated), var(--color-bg-card));
}
.vault-visual-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg,
    rgba(var(--color-accent-rgb), 0.05),
    rgba(var(--color-secondary-rgb), 0.03)
  );
}
.vault-visual-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.vault-item:hover .vault-visual-img {
  transform: scale(1.05);
}
.vault-visual-placeholder {
  width: 80%;
  height: 80%;
  border: 1px dashed var(--color-border-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

/* Classification badge */
.vault-classification {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  padding: 0.3rem 0.75rem;
  border: 1px solid rgba(var(--color-accent-rgb), 0.3);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  background: rgba(241, 245, 249, 0.9);
  backdrop-filter: blur(10px);
  z-index: 1;
}

/* Vault Item Info */
.vault-info {
  padding: var(--space-xl);
  position: relative;
  z-index: 1;
}
.vault-category {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}
.vault-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}
.vault-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}
.vault-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}
.vault-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
}
.vault-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}
.vault-meta-item {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.vault-meta-item .dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--color-success);
}

/* Featured Project (full width) */
.vault-featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
}
.vault-featured .vault-visual {
  aspect-ratio: auto;
  min-height: 400px;
}
.vault-featured .vault-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-3xl);
}

/* --- Project Modal --- */
.project-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(10px);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s;
}
.project-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}
.project-modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  width: 90%;
  max-width: 1000px;
  max-height: 90vh;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow-y: auto;
  z-index: calc(var(--z-modal) + 1);
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s var(--ease-out-expo);
}
.project-modal-overlay.open + .project-modal,
.project-modal.open {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

@media (max-width: 1024px) {
  .vault-featured {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  .vault-grid {
    grid-template-columns: 1fr;
  }
}