/* ─── FILTER BAR ─── */
.filter-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 3rem;
}
.filter-btn {
  font-family: var(--font-semi);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.6rem 1.5rem;
  border-radius: 100px;
  border: 2px solid var(--light-grey);
  background: var(--white);
  color: var(--text-body);
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

/* alternating showcase */

.showcase-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.showcase-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--light-grey);
}
.showcase-row:last-child { border-bottom: none; }

.showcase-row--reverse .showcase-row__image { order: 2; }
.showcase-row--reverse .showcase-row__content { order: 1; }

.showcase-row__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 380px;
}
.showcase-row__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4,0,0.2,1);
}
.showcase-row:hover .showcase-row__image img {
  transform: scale(1.05);
}

.showcase-row__value {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  background: rgba(13,110,253,0.92);
  backdrop-filter: blur(8px);
  border-radius: var(--radius);
  padding: 0.55rem 1.1rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--white);
  z-index: 2;
}

.showcase-row__view {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.95);
  border: none;
  border-radius: 100px;
  padding: 0.6rem 1.25rem;
  font-family: var(--font-semi);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dark);
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  transition: var(--transition);
  z-index: 2;
}
.showcase-row:hover .showcase-row__view {
  opacity: 1;
  transform: translateY(0);
}
.showcase-row__view svg { width: 14px; height: 14px; }

.showcase-row__tag {
  font-family: var(--font-semi);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--primary);
  display: block;
  margin-bottom: 1rem;
}

.showcase-row__title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.15;
  color: var(--text-dark);
  margin-bottom: 1.1rem;
}

.showcase-row__desc {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.showcase-row__meta {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.showcase-row__meta-tag {
  font-family: var(--font-semi);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.9rem;
  background: var(--off-white);
  border: 1px solid var(--light-grey);
  border-radius: 100px;
  color: var(--text-body);
}

/* Filter transition states */
.showcase-row.hidden { display: none; }
.showcase-row.filtering-out { opacity: 0; }

/* gallery*/
.photo-gallery {
  columns: 4 250px;
  column-gap: 1rem;
}

.photo-gallery__item {
  break-inside: avoid;
  margin-bottom: 1rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.photo-gallery__item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}

.photo-gallery__item:hover img {
  transform: scale(1.06);
}

.photo-gallery__item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10,22,40,0);
  transition: var(--transition);
}
.photo-gallery__item:hover::after {
  background: rgba(10,22,40,0.15);
}

/* Lightbox */
#gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
#gallery-lightbox.open {
  opacity: 1;
  pointer-events: all;
}
#gallery-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10,22,40,0.95);
  backdrop-filter: blur(8px);
}
#gallery-lightbox-img {
  position: relative;
  z-index: 2;
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  transform: scale(0.96);
  transition: transform 0.3s ease;
}
#gallery-lightbox.open #gallery-lightbox-img {
  transform: scale(1);
}
#gallery-lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: none;
  color: var(--white);
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  transition: var(--transition);
}
#gallery-lightbox-close:hover { background: var(--primary); }

#gallery-lightbox-prev,
#gallery-lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: none;
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  transition: var(--transition);
}
#gallery-lightbox-prev { left: 2rem; }
#gallery-lightbox-next { right: 2rem; }
#gallery-lightbox-prev:hover,
#gallery-lightbox-next:hover { background: var(--primary); }
#gallery-lightbox-prev svg,
#gallery-lightbox-next svg { width: 22px; height: 22px; }

/* responsive */
@media (max-width: 1100px) {
  .photo-gallery { columns: 3 200px; }
}
@media (max-width: 640px) {
  .photo-gallery { columns: 2 150px; column-gap: 0.6rem; }
  .photo-gallery__item { margin-bottom: 0.6rem; }
  #gallery-lightbox-prev, #gallery-lightbox-next { width: 40px; height: 40px; }
  #gallery-lightbox-prev { left: 0.75rem; }
  #gallery-lightbox-next { right: 0.75rem; }
  #gallery-lightbox-close { top: 1rem; right: 1rem; }
}

/* responsive */
@media (max-width: 900px) {
  .showcase-row,
  .showcase-row--reverse {
    grid-template-columns: 1fr;
    gap: 1.75rem;
    padding: 2.5rem 0;
  }
  .showcase-row--reverse .showcase-row__image { order: 0; }
  .showcase-row--reverse .showcase-row__content { order: 1; }
  .showcase-row__image { height: 280px; }
  .showcase-row__view { opacity: 1; transform: translateY(0); }
  .client-logos-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .showcase-row__title { font-size: 1.4rem; }
  .client-logos-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ─── FEATURED PROJECT ─── */
.featured-project {
  background: var(--navy);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 3rem;
}
.featured-project__img {
  height: 100%;
  min-height: 400px;
}
.featured-project__content {
  padding: 3.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.featured-project__tag {
  font-family: var(--font-semi);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  display: block;
  margin-bottom: 1rem;
}
.featured-project h3 {
  color: var(--white);
  font-size: 1.8rem;
  margin-bottom: 1rem;
  font-family: var(--font-semi);
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.25;
}
.featured-project p {
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 1.75rem;
}
.featured-project__value {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(13,110,253,0.15);
  border: 1px solid rgba(13,110,253,0.25);
  border-radius: var(--radius);
  padding: 0.75rem 1.25rem;
  margin-bottom: 1.75rem;
}
.featured-project__value strong {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--white);
}
.featured-project__value span {
  font-family: var(--font-semi);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
}

/* ─── CLIENTS SECTION ─── */
.client-logos-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  align-items: center;
}
.client-logo-badge {
  background: var(--white);
  border: 1px solid var(--light-grey);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: var(--font-semi);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-body);
  min-height: 80px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.client-logo-badge:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

@media (max-width: 1000px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .client-logos-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .featured-project { grid-template-columns: 1fr; }
  .featured-project__img { min-height: 260px; }
  .featured-project__content { padding: 2.5rem; }
}
@media (max-width: 640px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .client-logos-grid { grid-template-columns: repeat(2, 1fr); }
}