/* ============================================
   IS COM — Portfolio CSS — Layout dynamique
   2 formats : 3/4 (portrait) et 16/7 (paysage)
   ============================================ */

.nav-menu a.active { color: var(--blue); }
.nav-menu a.active::after { width: 100%; }

.breadcrumb { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-2); margin-bottom: 24px; flex-wrap: wrap; }
.breadcrumb a { color: var(--blue); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { color: var(--gray); }

/* --- PAGE HERO --- */
.page-hero { padding: 160px 0 80px; background: var(--white); position: relative; overflow: hidden; }
.page-hero-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(47,105,177,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(47,105,177,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
}
.page-hero-content { position: relative; z-index: 2; max-width: 700px; }
.page-hero-title { font-size: clamp(40px, 6vw, 72px); font-weight: 900; line-height: 1.0; letter-spacing: -0.03em; color: var(--text); margin: 12px 0 20px; }
.page-hero-title span { color: var(--blue); }
.page-hero-desc { font-size: 18px; color: var(--text-2); line-height: 1.7; max-width: 560px; }

/* --- FILTRES --- */
.portfolio-filters-bar {
  position: sticky;
  top: 64px;
  z-index: 900;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gray-mid);
  border-top: 1px solid var(--gray-mid);
}
.filters-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.filters-inner::-webkit-scrollbar { display: none; }
.filter-btn {
  padding: 8px 20px;
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  background: transparent;
  border: 1px solid var(--gray-mid);
  border-radius: 100px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.25s ease;
  letter-spacing: 0.02em;
}
.filter-btn:hover { border-color: var(--blue); color: var(--blue); }
.filter-btn.active { background: var(--blue); border-color: var(--blue); color: var(--white); }

/* --- GALERIE DYNAMIQUE --- */
.portfolio-section { padding: 64px 0 100px; background: var(--bg-alt); }

/* Grille principale : 12 colonnes */
.portfolio-masonry {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: auto;
  gap: 16px;
}

/* --- ITEMS --- */
.p-item {
  overflow: hidden;
  background: var(--dark-3);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.4s ease;
  cursor: pointer;
  position: relative;
  text-decoration: none;
  color: inherit;
  display: block;
}
.p-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }
.p-item.hidden { display: none; }

/* Layout dynamique — alternance portrait / paysage */
/* Rangée 1 : paysage (8) + portrait (4) */
.p-item:nth-child(1) { grid-column: span 8; }
.p-item:nth-child(2) { grid-column: span 4; }
/* Rangée 2 : portrait (4) + portrait (4) + portrait (4) */
.p-item:nth-child(3) { grid-column: span 4; }
.p-item:nth-child(4) { grid-column: span 4; }
.p-item:nth-child(5) { grid-column: span 4; }
/* Rangée 3 : portrait (4) + paysage (8) */
.p-item:nth-child(6) { grid-column: span 4; }
.p-item:nth-child(7) { grid-column: span 8; }
/* Rangée 4 : paysage (6) + paysage (6) */
.p-item:nth-child(8) { grid-column: span 6; }
.p-item:nth-child(9) { grid-column: span 6; }

/* --- IMAGES — 2 formats uniquement --- */
.p-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* Format paysage 16/7 */
.p-item:nth-child(1) img,
.p-item:nth-child(7) img,
.p-item:nth-child(8) img,
.p-item:nth-child(9) img { aspect-ratio: 16/7; }
/* Format portrait 3/4 */
.p-item:nth-child(2) img,
.p-item:nth-child(3) img,
.p-item:nth-child(4) img,
.p-item:nth-child(5) img,
.p-item:nth-child(6) img { aspect-ratio: 3/4; }

/* --- OVERLAY COMPLET --- */
.p-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.88) 0%, rgba(0,0,0,0.35) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.35s ease;
}
.p-item:hover .p-overlay { opacity: 1; }

/* Badge catégorie */
.p-overlay-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--blue);
  color: var(--white);
  font-family: var(--font-main);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 10px;
}
.p-overlay-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.7);
  flex-shrink: 0;
}

/* Titre */
.p-overlay-title {
  font-family: var(--font-main);
  font-size: 18px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 6px;
}
/* Description */
.p-overlay-desc {
  font-family: var(--font-main);
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
  margin-bottom: 14px;
}
/* Lien voir le projet */
.p-overlay-link {
  font-family: var(--font-main);
  font-size: 11px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.45);
  padding: 8px 16px;
  border-radius: var(--radius);
  transition: background 0.2s;
}
.p-item:hover .p-overlay-link { background: rgba(255,255,255,0.15); }

/* Aucun résultat */
.no-results { text-align: center; padding: 80px 20px; color: var(--gray); font-size: 16px; }

/* Items cliquables */
a.p-item { display: block; }

/* --- RESPONSIVE TABLETTE (≤1024px) --- */
@media (max-width: 1024px) {
  .portfolio-masonry { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .p-item { grid-column: span 1 !important; }
  .p-item img { aspect-ratio: 16/9 !important; }
  .p-overlay { opacity: 1; }
  .p-overlay-title { font-size: 15px; }
  .p-overlay-desc { font-size: 12px; }
  .p-overlay-badge { font-size: 9px; }
}

/* --- RESPONSIVE MOBILE (≤600px) --- */
@media (max-width: 600px) {
  .page-hero { padding: 130px 0 60px; }
  .portfolio-section { padding: 40px 0 72px; }
  .portfolio-masonry { grid-template-columns: 1fr; gap: 12px; }
  /* Tous en 16/9 sur mobile — uniforme et lisible */
  .p-item { grid-column: span 1 !important; }
  .p-item img { aspect-ratio: 16/9 !important; }
  /* Overlay toujours visible */
  .p-overlay { opacity: 1; padding: 16px; }
  .p-overlay-title { font-size: 15px; margin-bottom: 4px; }
  .p-overlay-desc { font-size: 12px; margin-bottom: 10px; display: block; }
  .p-overlay-badge { font-size: 9px; margin-bottom: 8px; }
  .p-overlay-link { font-size: 10px; padding: 6px 12px; }
  .filters-inner { gap: 6px; }
  .filter-btn { padding: 7px 14px; font-size: 12px; }
}