/* =============================================
   HUBLE — Réalisations Page
   Cards grid + Before/After comparator
   ============================================= */

/* Page hero (compact) */
.page-hero {
  padding: calc(80px + 3rem) 0 3rem;
  background: linear-gradient(160deg, var(--white) 0%, var(--mint-lighter) 40%, var(--white) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero .hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  pointer-events: none;
}

.page-hero .hero-blob-1 {
  width: 400px;
  height: 400px;
  background: var(--mint);
  top: -20%;
  right: -5%;
}

.page-hero .hero-blob-2 {
  width: 250px;
  height: 250px;
  background: var(--mint-light);
  bottom: -15%;
  left: 5%;
}

.page-hero .section-title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
}

/* Center label */
.page-hero .section-label {
  justify-content: center;
}

/* Back link — top left corner */
.back-link {
  position: absolute;
  top: calc(60px + 1.5rem);
  left: var(--container-padding);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--gray);
  transition: color var(--transition-fast);
  z-index: 2;
}

.back-link:hover {
  color: var(--mint-darker);
}

.back-link svg {
  width: 16px;
  height: 16px;
}

/* Filters */
.filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 2.5rem 0 1rem;
}

.filter-btn {
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.88rem;
  color: var(--gray);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1.5px solid rgba(0, 0, 0, 0.06);
  cursor: pointer;
  transition: all var(--transition-base);
}

.filter-btn:hover {
  color: var(--black);
  border-color: var(--mint-light);
  background: var(--mint-lighter);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--mint), var(--mint-dark));
  color: var(--black);
  border-color: transparent;
  font-weight: 600;
  box-shadow: 0 4px 12px var(--mint-glow);
}

/* Projects grid */
.projects-section {
  padding: 2rem 0 var(--section-padding);
  background: var(--white);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* Project card */
.project-card {
  border-radius: var(--radius-xl);
  background: var(--glass-bg-strong);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: default;
}

.project-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 20px 50px rgba(124, 226, 160, 0.2), 0 8px 20px rgba(0, 0, 0, 0.05);
  border-color: var(--mint-light);
}

/* Card hidden during filter */
.project-card.hidden {
  display: none;
}

/* Image container */
.project-image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

/* Preview (normal state) */
.project-preview {
  position: absolute;
  inset: 0;
  transition: opacity 0.4s ease;
}

.project-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--dark);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

/* Compare (hover state) */
.project-compare {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr 3px 1fr;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.project-card:hover .project-preview {
  opacity: 0;
}

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

.compare-side {
  position: relative;
  overflow: hidden;
}

.compare-side img {
  width: 200%;
  height: 100%;
  object-fit: cover;
}

.compare-before img {
  object-position: left center;
}

.compare-after img {
  object-position: right center;
  margin-left: -100%;
}

.compare-label {
  position: absolute;
  bottom: 0.6rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.compare-before .compare-label {
  left: 0.6rem;
  background: rgba(0, 0, 0, 0.6);
  color: var(--white);
}

.compare-after .compare-label {
  right: 0.6rem;
  background: var(--mint);
  color: var(--black);
}

/* Divider bar */
.compare-divider {
  background: linear-gradient(180deg, var(--mint-light), var(--mint), var(--mint-dark));
  position: relative;
  z-index: 2;
}

.compare-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 24px;
  height: 24px;
  background: var(--white);
  border: 2px solid var(--mint);
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.compare-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: var(--mint);
  border-radius: 50%;
}

/* Project info */
.project-info {
  padding: 1.25rem 1.5rem 1.5rem;
}

.project-info h3 {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.project-info p {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--gray);
}

/* Empty state */
.projects-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  color: var(--gray);
  font-size: 1.1rem;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1023px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

@media (max-width: 767px) {
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .filters {
    gap: 0.5rem;
    padding: 2rem 0 0.5rem;
  }

  .filter-btn {
    padding: 0.5rem 1.1rem;
    font-size: 0.82rem;
  }

  /* On mobile, show compare on tap via JS class */
  .project-card.tapped .project-preview {
    opacity: 0;
  }
  .project-card.tapped .project-compare {
    opacity: 1;
  }
}