/* ─────────────────────────────────────────────────────────────────
   Loule — main.css
   ───────────────────────────────────────────────────────────────── */

/* ── Reset & base ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-bg:      #ffffff;
  --color-text:    #111111;
  --color-muted:   #888888;
  --color-border:  #e8e8e8;
  --color-hover:   #f4f4f4;
  --header-h:      64px;
  --gap:           12px;
  --font:          "Helvetica Neue", Helvetica, Arial, sans-serif;
  --radius:        2px;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }

/* ── Header fixe ───────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 36px;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--color-border);
  gap: 20px;
}

.site-logo {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}

.site-logo a { color: var(--color-text); }

/* ── Filtres — hamburger + chips + dropdown ─────────────────────── */

/* Chips actives */
.filter-chips {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--color-text);
  border-radius: var(--radius);
  padding: 4px 10px;
  font-family: var(--font);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--color-text);
  color: var(--color-bg);
}

.filter-chip__remove {
  border: none;
  background: none;
  color: inherit;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  font-size: 0.85rem;
  opacity: 0.7;
  transition: opacity 0.15s;
}
.filter-chip__remove:hover { opacity: 1; }

/* Bouton hamburger */
.filter-hamburger {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  cursor: pointer;
  transition: border-color 0.18s, background 0.18s, color 0.18s;
}
.filter-hamburger:hover { border-color: var(--color-text); }
.filter-hamburger.is-open {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}

.filter-hamburger .icon-close { display: none; }
.filter-hamburger.is-open .icon-menu  { display: none; }
.filter-hamburger.is-open .icon-close { display: block; }

/* Dropdown */
.filter-dropdown {
  position: fixed;
  top: var(--header-h);
  right: 28px;
  z-index: 300;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  min-width: 210px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.07);
  padding: 8px 0 4px;
}
.filter-dropdown[hidden] { display: none; }

.filter-dropdown-title {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  padding: 4px 20px 10px;
}

.filter-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.12s;
}
.filter-dropdown-item:hover { background: var(--color-hover); }

.filter-dropdown-item input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: var(--color-text);
  cursor: pointer;
  flex-shrink: 0;
}

.filter-dropdown-footer {
  border-top: 1px solid var(--color-border);
  margin-top: 6px;
  padding: 8px 20px 6px;
}

.filter-clear {
  border: none;
  background: none;
  font-family: var(--font);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  cursor: pointer;
  padding: 0;
  transition: color 0.15s;
}
.filter-clear:hover { color: var(--color-text); }

/* ── Galerie principale ─────────────────────────────────────────── */
.gallery-wrap {
  padding-top: var(--header-h);
  padding-bottom: 56px;
}

.masonry-grid {
  padding: 24px 28px 0;
  /* Isotope prend la main sur le layout */
}

/* Largeurs des colonnes pour Isotope */
.masonry-sizer { width: 25%; }

.item {
  width: 25%;
  padding: 0 calc(var(--gap) / 2);
  margin-bottom: var(--gap);
  cursor: pointer;

  /* Scroll reveal : état initial */
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  will-change: opacity, transform;
}

.item.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Fallback si JS désactivé ou en échec */
.no-js .item {
  opacity: 1;
  transform: none;
}

/* Tailles variées */
.item.size-s { width: 20%; }
.item.size-m { width: 25%; }
.item.size-l { width: 33%; }

/* Délai cascade (4 colonnes) */
.item:nth-child(4n+1) { transition-delay: 0s; }
.item:nth-child(4n+2) { transition-delay: 0.07s; }
.item:nth-child(4n+3) { transition-delay: 0.14s; }
.item:nth-child(4n+4) { transition-delay: 0.21s; }

.item-inner {
  position: relative;
  overflow: hidden;
  display: block;
}

.item-inner img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.35s ease;
}
.item-inner:hover img { transform: scale(1.04); }

.item-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: rgba(255, 255, 255, 0.94);
  padding: 10px 12px;
  transform: translateY(100%);
  transition: transform 0.22s ease;
}
.item-inner:hover .item-caption { transform: translateY(0); }

.item-caption .caption-title {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
}
.item-caption .caption-tags {
  display: block;
  font-size: 0.64rem;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  margin-top: 2px;
}

/* Barre de statut */
.gallery-status {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 100;
  text-align: center;
  padding: 8px 20px;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  background: rgba(255,255,255,0.95);
  border-top: 1px solid var(--color-border);
}

/* ── Page détail ────────────────────────────────────────────────── */
.detail-wrap {
  padding-top: var(--header-h);
  min-height: 100vh;
}

.detail-layout {
  display: grid;
  grid-template-columns: 25% 75%;
  min-height: calc(100vh - var(--header-h));
}

/* Colonne gauche */
.detail-left {
  padding: 36px 36px 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-right: 1px solid var(--color-border);
  position: sticky;
  top: var(--header-h);
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
}

.detail-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  transition: color 0.2s;
  margin-bottom: 24px;
}
.detail-back:hover { color: var(--color-text); }
.detail-back::before { content: '←'; font-size: 0.9rem; }

.detail-title {
  font-size: clamp(1.1rem, 2vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.detail-description {
  font-size: 0.82rem;
  line-height: 1.75;
  color: #333;
  margin-bottom: 24px;
}
.detail-description p { margin-bottom: 0.9em; }
.detail-description p:last-child { margin-bottom: 0; }

.detail-meta {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.meta-row {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.meta-label {
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.meta-value {
  font-size: 0.78rem;
  color: var(--color-text);
}

.detail-techniques {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.technique-tag {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 4px 10px;
  color: var(--color-text);
  transition: all 0.18s;
}
.technique-tag:hover {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}

/* Navigation suivant / précédent */
.detail-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  margin-top: 8px;
}

.detail-nav-link {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}
.detail-nav-link:hover { color: var(--color-text); }
.detail-nav-link.prev::before { content: '←'; }
.detail-nav-link.next::after  { content: '→'; }
.detail-nav-link.is-disabled {
  opacity: 0.25;
  pointer-events: none;
}

/* Colonne droite */
.detail-right {
  padding: 24px 28px 60px;
  overflow-y: auto;
}

/* Grille masonry dans le panneau détail */
.detail-image-grid {
  columns: var(--detail-cols, 3);
  column-gap: var(--gap);
}

.detail-img-item {
  break-inside: avoid;
  margin-bottom: var(--gap);
  cursor: default;
  position: relative;
  overflow: hidden;
  display: block;
}

/* Même tailles que la galerie principale */
.detail-img-item.size-s { width: 75%; }
.detail-img-item.size-m { width: 100%; }
.detail-img-item.size-l { width: 100%; }

.detail-img-item img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.35s ease;
}
.detail-img-item:hover img { transform: scale(1.03); }

/* ── Modale Contact ─────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 400;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease;
}
.modal-backdrop.is-active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.modal[hidden] { display: none; }
.modal.is-active { pointer-events: all; }

.modal-inner {
  position: relative;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 48px 52px;
  max-width: 520px;
  width: calc(100% - 48px);
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.1);
  transform: translateY(12px);
  opacity: 0;
  transition: transform 0.28s ease, opacity 0.28s ease;
}
.modal.is-active .modal-inner {
  transform: translateY(0);
  opacity: 1;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: none;
  cursor: pointer;
  color: var(--color-muted);
  transition: color 0.15s, border-color 0.15s;
}
.modal-close:hover {
  color: var(--color-text);
  border-color: var(--color-text);
}

.modal-content {
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--color-text);
}
.modal-content p { margin-bottom: 0.9em; }
.modal-content p:last-child { margin-bottom: 0; }
.modal-content a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.modal-content strong { font-weight: 700; }

/* Bloc personne */
.modal-person {
  margin-bottom: 20px;
}
.modal-person--sep {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.modal-person-name {
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}

.modal-coords {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 8px;
}

.modal-coord-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--color-text);
  text-decoration: none;
  transition: opacity 0.15s;
}
.modal-coord-link:hover { opacity: 0.6; }

.modal-address {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-top: 8px;
  line-height: 1.55;
}

.modal-free-content {
  font-size: 0.82rem;
  line-height: 1.75;
}
.modal-free-content--sep {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}
.modal-free-content p { margin-bottom: 0.9em; }
.modal-free-content p:last-child { margin-bottom: 0; }

.coord-icon {
  font-size: 0.95rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Entrée Contact dans le dropdown */
.contact-open {
  border: none;
  background: none;
  font-family: var(--font);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  cursor: pointer;
  padding: 0;
  transition: color 0.15s;
}
.contact-open:hover { color: var(--color-muted); }

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .item, .masonry-sizer { width: 33.333%; }
  .item.size-s { width: 25%; }
  .item.size-l { width: 41%; }
}

@media (max-width: 768px) {
  .site-header { padding: 0 20px; }
  .filter-nav { display: none; } /* à remplacer par un menu burger si besoin */

  .item, .masonry-sizer { width: 50%; }
  .item.size-s, .item.size-m, .item.size-l { width: 50%; }

  .detail-layout {
    grid-template-columns: 1fr;
  }
  .detail-left {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    padding: 32px 20px;
  }
  .detail-right { padding: 24px 20px; }
}

@media (max-width: 480px) {
  .item, .masonry-sizer { width: 100%; }
  .item.size-s, .item.size-m, .item.size-l { width: 100%; }
}