/* ==========================================================================
   SEIB CONSTRUCTION — GALLERY PAGE
   Styles unique to gallery.html only.
   Shared tokens → global.css | Shared components → components.css
   RULE: Never hardcode brand colors — always use CSS custom properties.
   ========================================================================== */

/* --------------------------------------------------------------------------
   SCROLL REVEAL
   -------------------------------------------------------------------------- */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}
[data-animate].is-visible {
  opacity: 1;
  transform: none;
}
.delay-1 {
  transition-delay: 0.1s;
}
.delay-2 {
  transition-delay: 0.2s;
}
.delay-3 {
  transition-delay: 0.3s;
}
.delay-4 {
  transition-delay: 0.4s;
}
.delay-5 {
  transition-delay: 0.5s;
}

.section-eyebrow--light {
  color: var(--copper-light);
}

/* --------------------------------------------------------------------------
   HERO ENTRANCE ANIMATION
   -------------------------------------------------------------------------- */
@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.hero-animate {
  animation: heroFadeUp 0.7s ease forwards;
}
.hero-animate--delay {
  animation-delay: 0.2s;
  opacity: 0;
}

/* --------------------------------------------------------------------------
   §01 HERO
   -------------------------------------------------------------------------- */
.gal-hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: center;
  background-image: url("../images/gallery-hero-12.jpg");
  background-size: cover;
  background-position: center;
  padding-top: 72px;
  overflow: hidden;
}

/* Hero background slideshow — one image per service category */
.gal-hero-slider {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.gal-hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  animation: galHeroSlideFade 24s infinite;
}

.gal-hero-slide:nth-child(1) {
  animation-delay: 0s;
}
.gal-hero-slide:nth-child(2) {
  animation-delay: 6s;
}
.gal-hero-slide:nth-child(3) {
  animation-delay: 12s;
}
.gal-hero-slide:nth-child(4) {
  animation-delay: 18s;
}

@keyframes galHeroSlideFade {
  0% {
    opacity: 0;
  }
  4% {
    opacity: 1;
  }
  25% {
    opacity: 1;
  }
  29% {
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gal-hero-slide {
    animation: none;
  }
  .gal-hero-slide:nth-child(1) {
    opacity: 1;
  }
}

.gal-hero-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    135deg,
    rgba(15, 27, 51, 0.9) 0%,
    rgba(15, 27, 51, 0.6) 60%,
    rgba(15, 27, 51, 0.3) 100%
  );
  pointer-events: none;
}

.gal-hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  padding-block: clamp(56px, 8vw, 96px);
}

.gal-hero-content .section-eyebrow {
  color: var(--copper-light);
}

.gal-hero-headline {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  color: var(--white);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-top: var(--space-3);
  margin-bottom: var(--space-5);
}

.gal-hero-sub {
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(15px, 1.3vw, 18px);
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: var(--space-7);
}

/* Hero stats row */
.gal-hero-stats {
  display: flex;
  gap: var(--space-7);
  flex-wrap: wrap;
}

.gal-hero-stat-num {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  color: var(--copper-light);
  display: block;
  line-height: 1;
  margin-bottom: 4px;
}

.gal-hero-stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

/* --------------------------------------------------------------------------
   §02 FILTERABLE PROJECT GRID
   -------------------------------------------------------------------------- */

/* Filter bar */
.gal-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.gal-filter-btn {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-mid);
  background-color: var(--white);
  border: 1px solid var(--cream);
  border-radius: 999px;
  padding: 8px 20px;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.gal-filter-btn:hover {
  border-color: var(--copper);
  color: var(--copper);
  background: #0000;
}

.gal-filter-btn.active {
  background-color: var(--navy);
  color: var(--white);
  border-color: var(--navy);
  box-shadow: var(--shadow-sm);
}

/* Project grid */
.gal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

/* Wide card spans 2 columns */
.gal-card--wide {
  grid-column: span 2;
}

/* Card base */
.gal-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition:
    box-shadow var(--transition-base),
    transform var(--transition-base);
  background-color: var(--navy-mid);
  /* Aspect-ratio moved from .gal-card-image onto the card itself so every card
     in a row resolves to the same height (regular = 4:3, wide = 8:3 = same height
     at double width). */
  aspect-ratio: 4 / 3;
  height: 100%;
  width: 100%;
}

.gal-card--wide {
  aspect-ratio: 8 / 3;
}

.gal-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.gal-card.hidden {
  display: none;
}

/* Card image — now fills the card (height comes from .gal-card aspect-ratio) */
.gal-card-image {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

/* OLD aspect-ratio rules — moved up onto .gal-card so all cards share equal heights.
   Kept here commented for easy restoration if image-driven sizing is needed again.
.gal-card--wide .gal-card-image {
  aspect-ratio: 16 / 7;
}
.gal-card:not(.gal-card--wide) .gal-card-image {
  aspect-ratio: 4 / 3;
}
*/

.gal-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.gal-card:hover .gal-card-image img {
  transform: scale(1.05);
}

/* Image-as-link wrapper — used by project cards that navigate to a full project page.
   height: 100% lets .gal-card-image fill the card so the navy background never shows. */
.gal-card-link {
  display: block;
  height: 100%;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

/* Hover overlay — "View Project" */
.gal-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 27, 51, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.gal-card-overlay-btn {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(4px);
  border-radius: 999px;
  padding: 10px 22px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background var(--transition-base);
  pointer-events: none;
}

.gal-card:hover .gal-card-overlay-btn {
  background: rgba(255, 255, 255, 0.25);
}

/* Card body — always-visible bottom strip */
.gal-card-body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: clamp(32px, 6%, 48px) var(--space-5) var(--space-4);
  background: linear-gradient(
    to top,
    rgba(15, 27, 51, 0.9) 0%,
    rgba(15, 27, 51, 0.55) 60%,
    transparent 100%
  );
}

.gal-card-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--copper-light);
  display: block;
  margin-bottom: var(--space-1);
}

.gal-card-title {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.3;
  margin: 0;
}

/* No results message */
.gal-no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-10) var(--space-6);
  display: none;
}

.gal-no-results.visible {
  display: block;
}

.gal-no-results p {
  color: var(--text-light);
  font-size: 15px;
}

@media (max-width: 900px) {
  .gal-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .gal-card--wide {
    grid-column: span 2;
  }
}

@media (max-width: 560px) {
  .gal-grid {
    grid-template-columns: 1fr;
  }
  .gal-card--wide {
    grid-column: span 1;
    /* When wide cards collapse to single column, match the regular card aspect-ratio */
    aspect-ratio: 4 / 3;
  }
}

/* --------------------------------------------------------------------------
   TABBED PROJECT GALLERY
   -------------------------------------------------------------------------- */
.gal-projects {
  margin-top: var(--space-6);
}

/* Tab nav — pill/button-group style */
.gal-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.gal-tab {
  font-family: var(--font-body);
  font-size: clamp(12px, 1vw, 14px);
  font-weight: 600;
  letter-spacing: 0.6px;
  color: var(--navy);
  background: var(--off-white);
  border: 1px solid var(--cream);
  padding: 14px 28px;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.gal-tab:hover {
  border-color: var(--copper);
  color: var(--copper);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.gal-tab.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(15, 27, 51, 0.18);
}

.gal-tab.is-active:hover {
  background: var(--navy-mid);
  border-color: var(--navy-mid);
  color: var(--white);
}

.gal-tab:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
}

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

.gal-tab-panel.is-active {
  display: block;
  animation: galFadeIn 0.35s ease;
}

@keyframes galFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Photo grid inside each panel */
.gal-photo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

@media (max-width: 1100px) {
  .gal-photo-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 720px) {
  .gal-photo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  .gal-photo-grid {
    grid-template-columns: 1fr;
  }
}

.gal-photo-tile {
  display: block;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 4 / 3;
  background-color: var(--cream);
  cursor: zoom-in;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.gal-photo-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.gal-photo-tile:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.gal-photo-tile:hover img {
  transform: scale(1.05);
}

.gal-photo-tile:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
}


/* --------------------------------------------------------------------------
   MASONRY GALLERY — single Pinterest-style grid, no filters/tabs
   CSS columns give natural, staggered image heights.
   -------------------------------------------------------------------------- */
.gal-masonry {
  column-count: 3;
  column-gap: var(--space-4);
  margin-top: var(--space-6);
}

@media (max-width: 900px) {
  .gal-masonry { column-count: 2; }
}
@media (max-width: 560px) {
  .gal-masonry { column-count: 1; }
}

/* Masonry item — override the uniform tile ratio so images keep natural height */
.gal-masonry .gal-masonry-item {
  aspect-ratio: auto;
  width: 100%;
  margin: 0 0 var(--space-4);
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  cursor: zoom-in;
}

.gal-masonry .gal-masonry-item img {
  width: 100%;
  height: auto;
  display: block;
}


/* --------------------------------------------------------------------------
   PHOTO LIGHTBOX (drives the tabbed gallery)
   -------------------------------------------------------------------------- */
.gal-photo-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(15, 27, 51, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(40px, 5vw, 80px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.gal-photo-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.gal-photo-lightbox[hidden] {
  display: none;
}

.gal-photo-lightbox-figure {
  margin: 0;
  max-width: 100%;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.gal-photo-lightbox-img {
  max-width: 100%;
  max-height: calc(100vh - 200px);
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  background: var(--navy-deep);
}

.gal-photo-lightbox-counter {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1.5px;
  color: rgba(255, 255, 255, 0.65);
  text-transform: uppercase;
}

/* Close + prev/next buttons */
.gal-photo-lightbox-close,
.gal-photo-lightbox-nav {
  position: absolute;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--white);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  padding: 0;
  backdrop-filter: blur(6px);
  transition:
    background var(--transition-base),
    border-color var(--transition-base);
}

.gal-photo-lightbox-close:hover,
.gal-photo-lightbox-nav:hover {
  background: rgba(184, 115, 51, 0.35);
  border-color: var(--copper);
}

.gal-photo-lightbox-close {
  top: clamp(16px, 3vw, 32px);
  right: clamp(16px, 3vw, 32px);
}

.gal-photo-lightbox-prev {
  left: clamp(16px, 3vw, 32px);
  top: 50%;
  transform: translateY(-50%);
}

.gal-photo-lightbox-next {
  right: clamp(16px, 3vw, 32px);
  top: 50%;
  transform: translateY(-50%);
}

@media (max-width: 640px) {
  .gal-photo-lightbox-prev {
    left: 8px;
  }
  .gal-photo-lightbox-next {
    right: 8px;
  }
  .gal-photo-lightbox-close {
    top: 12px;
    right: 12px;
  }
  .gal-photo-lightbox-img {
    max-height: calc(100vh - 160px);
  }
}

/* Lock body scroll while lightbox is open */
body.gal-lb-open {
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   LIGHTBOX
   -------------------------------------------------------------------------- */
.gal-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(10, 16, 30, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(4px);
}

.gal-lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.gal-lightbox-panel {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  width: 100%;
  max-width: 960px;
  max-height: 90vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.5);
  transform: translateY(16px) scale(0.98);
  transition: transform 0.3s ease;
  overflow-y: auto;
}

.gal-lightbox.active .gal-lightbox-panel {
  transform: none;
}

/* Before/After images column */
.gal-lightbox-images {
  display: grid;
  grid-template-rows: 1fr 1fr;
  min-height: 400px;
}

.gal-lightbox-before,
.gal-lightbox-after {
  position: relative;
  overflow: hidden;
}

.gal-lightbox-before img,
.gal-lightbox-after img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gal-lightbox-label {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--white);
  background: rgba(15, 27, 51, 0.7);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.gal-lightbox-after .gal-lightbox-label {
  background: rgba(184, 115, 51, 0.85);
}

/* Details column */
.gal-lightbox-details {
  padding: var(--space-7) var(--space-7) var(--space-7);
  display: flex;
  flex-direction: column;
  position: relative;
}

.gal-lightbox-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--off-white);
  border: 1px solid var(--cream);
  color: var(--text-mid);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    background var(--transition-base),
    color var(--transition-base);
  flex-shrink: 0;
}

.gal-lightbox-close:hover {
  background: var(--navy);
  color: var(--white);
}

.gal-lightbox-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--copper);
  background-color: var(--copper-dim);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: var(--space-4);
  margin-top: var(--space-5);
  align-self: flex-start;
}

.gal-lightbox-title {
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  color: var(--navy);
  line-height: 1.3;
  margin-bottom: var(--space-2);
}

.gal-lightbox-location {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-light);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: var(--space-5);
}

.gal-lightbox-desc {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.75;
  margin-bottom: var(--space-5);
  flex: 1;
}

.gal-lightbox-scope-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: var(--space-3);
}

.gal-lightbox-scope-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-7);
}

.gal-lightbox-scope-tag {
  font-size: 12px;
  color: var(--navy);
  background-color: var(--off-white);
  border: 1px solid var(--cream);
  border-radius: 999px;
  padding: 4px 12px;
}

@media (max-width: 720px) {
  .gal-lightbox-panel {
    grid-template-columns: 1fr;
    max-height: 95vh;
  }
  .gal-lightbox-images {
    grid-template-rows: 1fr 1fr;
    min-height: 260px;
    height: 260px;
  }
  .gal-lightbox-details {
    padding: var(--space-5);
  }
}

/* --------------------------------------------------------------------------
   §03 CTA
   -------------------------------------------------------------------------- */
.gal-cta-inner {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  /* No padding-block: parent .section already provides --section-pad-y top &
     bottom; the extra padding here doubled it into empty navy bands. */
}

.gal-cta-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--copper-light);
  display: block;
  margin-bottom: var(--space-4);
  opacity: 0.85;
}

.gal-cta-headline {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  color: var(--white);
  line-height: 1.2;
  margin-bottom: var(--space-5);
}

.gal-cta-sub {
  color: rgba(255, 255, 255, 0.62);
  font-size: var(--fs-body);
  line-height: 1.8;
  margin-bottom: var(--space-8);
}

.gal-cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}