/* ============================================
   R.L. SIMMONS BUILDER — Projects Page
   ============================================ */

/* --- Page Tabs (Gallery vs Recent Projects) --- */
.page-tabs {
  display: flex;
  gap: 0;
  justify-content: center;
  margin-bottom: var(--space-xl);
  border-bottom: 2px solid var(--creek-stone);
}

.page-tab {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.9em 2.8em;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  color: var(--creek-stone);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

@media (max-width: 480px) {
  .page-tab {
    padding: 0.9em 1.4em;
    font-size: var(--text-xs);
    letter-spacing: 0.08em;
  }
}

.page-tab:hover {
  color: var(--aged-iron);
}

.page-tab.active {
  color: var(--deep-moss);
  border-bottom-color: var(--copper);
}

/* --- Tab Panels --- */
.tab-panel {
  display: none;
}

.tab-panel.tab-panel--active {
  display: block;
}

/* --- Photo Gallery (masonry) --- */
.photo-gallery {
  column-count: 2;
  column-gap: 8px;
}

@media (min-width: 640px) {
  .photo-gallery {
    column-count: 3;
  }
}

@media (min-width: 1024px) {
  .photo-gallery {
    column-count: 4;
  }
}

.photo-gallery__item {
  break-inside: avoid;
  margin-bottom: 8px;
  overflow: hidden;
  cursor: pointer;
  border-radius: 2px;
  position: relative;
}

.photo-gallery__item img {
  width: 100%;
  display: block;
  transition: transform 0.5s var(--ease-out);
}

.photo-gallery__item:hover img {
  transform: scale(1.04);
}

/* --- Recent Projects (3 featured) --- */
.recent-projects-grid {
  grid-template-columns: 1fr;
  max-width: 960px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .recent-projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --- Filter Tabs (kept for legacy) --- */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.filter-tab {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.6em 1.4em;
  border: 1.5px solid var(--creek-stone);
  border-radius: 2px;
  color: var(--aged-iron);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tab:hover {
  border-color: var(--copper);
  color: var(--copper);
}

.filter-tab.active {
  background: var(--deep-moss);
  border-color: var(--deep-moss);
  color: white;
}

/* --- Project Cards Grid --- */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --- Project Card --- */
.project-card {
  position: relative;
  cursor: pointer;
  overflow: hidden;
  border-radius: 2px;
  aspect-ratio: 4 / 3;
}

.project-card__image {
  position: absolute;
  inset: 0;
}

.project-card__image .placeholder-img {
  width: 100%;
  height: 100%;
}

.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.project-card:hover .project-card__image img,
.project-card:hover .project-card__image .placeholder-img {
  transform: scale(1.05);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(var(--charcoal-rgb), 0.8) 0%,
    rgba(var(--charcoal-rgb), 0.1) 60%
  );
  transition: background 0.3s ease;
}

.project-card:hover .project-card__overlay {
  background: linear-gradient(
    to top,
    rgba(var(--charcoal-rgb), 0.9) 0%,
    rgba(var(--charcoal-rgb), 0.2) 60%
  );
}

.project-card__info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md);
  z-index: 2;
}

.project-card__category {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--copper-light);
  margin-bottom: 0.25em;
}

.project-card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: white;
  margin-bottom: 0.5em;
}

.project-card__link {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.7);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  transition: color 0.3s ease, gap 0.3s ease;
}

.project-card:hover .project-card__link {
  color: white;
  gap: 0.75em;
}

/* Hidden cards (filtered) */
.project-card.hidden {
  display: none;
}

/* --- Project Modal --- */
.project-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(var(--charcoal-rgb), 0.97);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.project-modal.open {
  opacity: 1;
  visibility: visible;
}

.project-modal__close {
  position: fixed;
  top: var(--space-md);
  right: var(--space-md);
  z-index: 2001;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  transition: background var(--transition-fast);
}

.project-modal__close:hover {
  background: rgba(255,255,255,0.2);
}

.project-modal__content {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-md) var(--space-xl);
  transform: translateY(20px);
  transition: transform 0.4s var(--ease-out);
}

.project-modal.open .project-modal__content {
  transform: translateY(0);
}

/* Modal header */
.project-modal__header {
  margin-bottom: var(--space-lg);
  text-align: center;
}

.project-modal__header h2 {
  color: white;
  margin-bottom: var(--space-xs);
}

.project-modal__category {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--copper-light);
}

.project-modal__description {
  color: rgba(255,255,255,0.7);
  max-width: 650px;
  margin: var(--space-sm) auto 0;
}

/* Phase tabs */
.phase-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: var(--space-md);
}

.phase-tab {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.5em 1.5em;
  border: 1.5px solid rgba(255,255,255,0.3);
  border-radius: 2px;
  color: rgba(255,255,255,0.7);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.phase-tab:hover {
  border-color: rgba(255,255,255,0.6);
  color: white;
}

.phase-tab.active {
  background: var(--copper);
  border-color: var(--copper);
  color: white;
}

/* Modal photo grid (masonry via columns) */
.modal-gallery {
  column-count: 1;
  column-gap: var(--space-sm);
}

@media (min-width: 768px) {
  .modal-gallery {
    column-count: 2;
  }
}

@media (min-width: 1024px) {
  .modal-gallery {
    column-count: 3;
  }
}

.modal-gallery__item {
  break-inside: avoid;
  margin-bottom: var(--space-sm);
  border-radius: 2px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.modal-gallery__item img,
.modal-gallery__item .placeholder-img {
  width: 100%;
  display: block;
  transition: transform 0.4s var(--ease-out);
}

.modal-gallery__item:hover img,
.modal-gallery__item:hover .placeholder-img {
  transform: scale(1.02);
}

/* Full-size image overlay */
.image-overlay {
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(0,0,0,0.95);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.image-overlay.open {
  display: flex;
}

.image-overlay img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
}

.image-overlay__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  color: white;
  font-size: 2rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-overlay__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  font-size: 2.5rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  transition: background var(--transition-fast);
}

.image-overlay__nav:hover {
  background: rgba(255,255,255,0.2);
}

.image-overlay__nav--prev {
  left: var(--space-md);
}

.image-overlay__nav--next {
  right: var(--space-md);
}