/* === Reusable Components === */

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 2rem;
  font-size: var(--fs-body);
  font-weight: var(--fw-medium);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-in-out);
  cursor: pointer;
}

.btn-primary {
  background: var(--color-accent);
  color: #000;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-round);
  color: var(--color-text-secondary);
  transition: color var(--duration-fast),
              background var(--duration-fast);
  cursor: pointer;
}

.btn-icon:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

/* ===== Filter Pills ===== */
.filter-pill {
  padding: 0.45rem 1.2rem;
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-in-out);
  white-space: nowrap;
}

.filter-pill:hover {
  color: var(--color-text);
  border-color: var(--color-border-light);
}

.filter-pill.active {
  background: var(--color-accent);
  color: #000;
  border-color: var(--color-accent);
}

/* ===== Gallery Card ===== */
.gallery-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  background: var(--color-surface);
  transition: transform var(--duration-normal) var(--ease-out-expo),
              box-shadow var(--duration-normal) var(--ease-out-expo);
  opacity: 1;
  transform: scale(1);
  break-inside: avoid;
  margin-bottom: var(--space-lg);
}

.gallery-card.loading {
  opacity: 0;
  transform: scale(0.95);
}

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

.gallery-card:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-xl);
}

.gallery-card-image {
  position: relative;
  width: 100%;
  line-height: 0;  /* remove inline gap */
}

.gallery-card-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--duration-slow) var(--ease-out-expo);
}

.gallery-card:hover .gallery-card-image img {
  transform: scale(1.08);
}

.gallery-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.7) 0%,
    rgba(0, 0, 0, 0.1) 40%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-in-out);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
}

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

.gallery-card-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: var(--fw-semibold);
  color: #fff;
  margin-bottom: 2px;
}

.gallery-card-location {
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.75);
}

.gallery-card-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  padding: 0.2rem 0.65rem;
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  color: #fff;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(8px);
  border-radius: 100px;
  letter-spacing: var(--letter-spacing-caption);
  text-transform: uppercase;
}

/* ===== Image Placeholder / Loader ===== */
.image-placeholder {
  position: relative;
  background: var(--color-surface);
  overflow: hidden;
}

.image-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-surface-hover) 50%,
    transparent 100%
  );
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ===== Social Links (Hero) ===== */
.hero-social {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-round);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all var(--duration-fast) var(--ease-in-out);
}

.social-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.social-icon {
  width: 18px;
  height: 18px;
}

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-lightbox);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-in-out),
              visibility var(--duration-normal) var(--ease-in-out);
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox-overlay {
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
  cursor: pointer;
}

.lightbox-content {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.lightbox-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  z-index: 10;
  color: var(--color-text);
  width: 48px;
  height: 48px;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  color: var(--color-text);
  width: 52px;
  height: 52px;
  transition: opacity var(--duration-fast);
}

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

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

.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text);
}

.lightbox-image-container {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-xl);
  transition: opacity var(--duration-normal);
}

.lightbox-image.switching {
  opacity: 0;
}

.lightbox-info {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  pointer-events: none;
}

.lightbox-counter {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  letter-spacing: var(--letter-spacing-caption);
}

.lightbox-caption {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  color: var(--color-text);
  text-align: center;
}

/* ===== Scroll Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--ease-out-expo),
              transform var(--duration-slow) var(--ease-out-expo);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Reduce motion: no reveal animation */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}