/* ── Hero page ── */
.page-hero {
  padding: 9rem 3rem 4rem;
  max-width: 1160px;
  margin: 0 auto;
  position: relative;
}
.page-hero::after {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
  z-index: -1;
}
.page-hero-back {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 2rem;
  transition: color var(--t);
}
.page-hero-back:hover { color: var(--dim); }

/* ── Filtres ── */
.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.filter-btn {
  font-size: 0.78rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--border-2);
  background: transparent;
  color: var(--dim);
  cursor: pointer;
  transition: all var(--t);
  font-family: var(--font-b);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--accent-bg);
  border-color: var(--accent-bd);
  color: var(--accent);
}

/* ── Grille portfolio ── */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.portfolio-item {
  background: var(--surf);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
  cursor: pointer;
}
.portfolio-item:hover {
  transform: translateY(-4px);
  border-color: rgba(0,212,180,0.2);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}
.portfolio-item.wide { grid-column: span 2; }
.portfolio-thumb {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--surf2);
  position: relative;
}
.portfolio-item.wide .portfolio-thumb { aspect-ratio: 21/9; }
.portfolio-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.portfolio-item:hover .portfolio-thumb img { transform: scale(1.04); }
.portfolio-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--surf2), var(--surf3));
}
.portfolio-thumb-placeholder svg { opacity: 0.2; width: 48px; height: 48px; }

.portfolio-body {
  padding: 1.25rem 1.5rem 1.5rem;
}
.portfolio-cat {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.portfolio-body h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}
.portfolio-body p {
  font-size: 0.82rem;
  color: var(--dim);
  line-height: 1.65;
}
.portfolio-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
}

/* ── Lightbox ── */
.lb-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(2,8,18,0.92);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}
.lb-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.lb-box {
  position: relative;
  max-width: 1100px;
  width: 100%;
  background: var(--surf);
  border: 1px solid var(--border-2);
  border-radius: var(--r-xl);
  overflow: hidden;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  transform: scale(0.94) translateY(14px);
  transition: transform 0.22s ease;
}
.lb-overlay.open .lb-box { transform: scale(1) translateY(0); }
.lb-close {
  position: absolute;
  top: 12px; right: 12px;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(6,14,28,0.75);
  border: 1px solid var(--border-2);
  color: var(--dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t);
  z-index: 10;
}
.lb-close:hover { background: var(--surf2); color: var(--text); }
.lb-img-wrap {
  width: 100%;
  background: #04090f;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  max-height: 68vh;
  overflow: hidden;
}
.lb-img {
  max-width: 100%;
  max-height: 68vh;
  object-fit: contain;
  display: block;
}
.lb-info {
  padding: 1.25rem 1.75rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  flex-shrink: 0;
}
.lb-info-text { flex: 1; min-width: 0; }
.lb-cat {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.3rem;
}
.lb-title {
  font-family: var(--font-h);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.35rem;
}
.lb-desc {
  font-size: 0.83rem;
  color: var(--dim);
  line-height: 1.65;
}
.lb-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  align-items: flex-start;
  flex-shrink: 0;
  padding-top: 2px;
}

/* ── Indicateur zoom sur items cliquables ── */
.portfolio-item.has-image { cursor: zoom-in; }
.portfolio-item.has-image .portfolio-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.28);
  opacity: 0;
  transition: opacity 0.22s;
  z-index: 1;
}
.portfolio-item.has-image:hover .portfolio-thumb::after { opacity: 1; }
.portfolio-item.has-image .portfolio-thumb::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%) scale(0.75);
  width: 46px; height: 46px;
  border-radius: 50%;
  background: rgba(0,212,180,0.92) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23060e1c' stroke-width='2.5' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M21 21l-4-4M11 8v6M8 11h6'/%3E%3C/svg%3E") center/22px no-repeat;
  opacity: 0;
  transition: opacity 0.22s, transform 0.22s;
  z-index: 2;
}
.portfolio-item.has-image:hover .portfolio-thumb::before {
  opacity: 1;
  transform: translate(-50%,-50%) scale(1);
}

@media (max-width: 900px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-item.wide { grid-column: span 2; }
  .page-hero { padding: 7rem 1.5rem 3rem; }
}
@media (max-width: 600px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-item.wide { grid-column: span 1; }
  .page-hero { padding: 6rem 1.25rem 2.5rem; }
}