/* ==========================================================================
   PORTFOLIO SECTION
   ========================================================================== */
.portfolio-section {
  padding: 100px 0;
  background-color: var(--color-bg-light);
}

/* ==========================================================================
   PORTFOLIO CATEGORIES & EXPANDABLE DRAWER ACCORDION
   ========================================================================== */
.portfolio-categories-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.category-block {
  background-color: #ffffff;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.category-block:hover {
  border-color: #cbd5e1;
  box-shadow: var(--shadow-md);
}

.category-block.open {
  border-color: var(--color-accent);
  box-shadow: 0 10px 30px rgba(11, 19, 43, 0.09);
}

.category-trigger {
  width: 100%;
  background: none;
  border: none;
  padding: 26px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: background-color 0.25s ease;
}

.category-trigger:hover {
  background-color: #fafbfc;
}

.category-block.open .category-trigger {
  background-color: #ffffff;
  border-bottom: 1px solid #f1f5f9;
}

.cat-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.cat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background-color: rgba(36, 185, 192, 0.1);
  color: var(--color-cyan);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}

.category-block.open .cat-icon {
  background-color: var(--color-accent);
  color: #ffffff;
}

.cat-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.cat-description {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.cat-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.cat-pill {
  background-color: #f1f5f9;
  color: var(--color-secondary);
  font-size: 0.84rem;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

.cat-btn-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-accent);
  background-color: rgba(212, 35, 116, 0.08);
  padding: 10px 22px;
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.category-trigger:hover .cat-btn-label {
  background-color: var(--color-accent);
  color: #ffffff;
}

.category-block.open .cat-btn-label {
  background-color: var(--color-primary);
  color: #ffffff;
}

.cat-chevron {
  font-size: 0.85rem;
  transition: transform 0.35s ease;
}

.category-block.open .cat-chevron {
  transform: rotate(180deg);
}

.category-drawer {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease;
}

.category-block.open .category-drawer {
  max-height: 6000px;
  opacity: 1;
}

.category-drawer-inner {
  padding: 32px 32px 36px;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.project-card {
  background-color: #ffffff;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: #cbd5e1;
}

.project-thumb {
  position: relative;
  width: 100%;
  height: 240px;
  background: linear-gradient(145deg, #e2e8f0 0%, #cbd5e1 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.project-card:hover .project-thumb img {
  transform: scale(1.05);
}

.thumb-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  height: 100%;
  color: #64748b;
  text-align: center;
  padding: 20px;
  background: linear-gradient(135deg, #edf2f7 0%, #e2e8f0 100%);
  transition: var(--transition);
}

.project-card:hover .thumb-placeholder {
  background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
}

.thumb-placeholder i {
  font-size: 2.4rem;
  color: #94a3b8;
  transition: var(--transition);
}

.project-card:hover .thumb-placeholder i {
  color: var(--color-accent);
  transform: scale(1.08);
}

.thumb-placeholder span {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #64748b;
}

.project-category-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  color: #ffffff;
  backdrop-filter: blur(8px);
}

.project-category-badge.klinkier { background-color: rgba(212, 35, 116, 0.9); }
.project-category-badge.brukarstwo { background-color: rgba(36, 185, 192, 0.9); }
.project-category-badge.wnetrza { background-color: rgba(16, 185, 129, 0.9); }
.project-category-badge.b2b { background-color: rgba(15, 23, 42, 0.9); }
.project-category-badge.ogrodzenia { background-color: rgba(234, 88, 12, 0.9); }

.project-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(11, 19, 43, 0.6);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.btn-quick-view {
  background-color: #ffffff;
  color: var(--color-primary);
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-quick-view:hover {
  background-color: var(--color-accent);
  color: #ffffff;
  transform: scale(1.05);
}

.project-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: 10px;
}

.project-meta i {
  margin-right: 4px;
}

.project-title {
  font-size: 1.18rem;
  margin-bottom: 10px;
  line-height: 1.35;
}

.project-snippet {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--color-text-muted);
  margin-bottom: 18px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.tag {
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--color-secondary);
  background-color: #f1f5f9;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}