/* ============================================================
   AC LIGNA — Design system partagé
   Palette : noir profond / blanc / doré élégant / gris anthracite
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:wght@300;400;500;600&family=Inter:wght@400;500;600&display=swap');

:root {
  --noir: #0A0A0B;
  --noir-soft: #121214;
  --noir-elevated: #1A1A1D;
  --or: #C9A66B;
  --or-light: #E4CFA0;
  --or-dark: #9C7B44;
  --anthracite: #2B2B2E;
  --anthracite-light: #4A4A4E;
  --ivoire: #FAFAF8;
  --border: rgba(255, 255, 255, 0.1);
  --muted: rgba(250, 250, 248, 0.65);
  --radius: 1rem;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Thème clair (facultatif, activé en ajoutant class="theme-clair" sur <body>) */
body.theme-clair {
  --noir: #FAFAF8;
  --noir-soft: #F1F1EE;
  --noir-elevated: #FFFFFF;
  --ivoire: #17120D;
  --border: rgba(10, 10, 11, 0.1);
  --muted: rgba(10, 10, 11, 0.6);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--noir);
  color: var(--ivoire);
  font-family: 'Inter', sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: 'Fraunces', serif; font-weight: 300; line-height: 1.15; }

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

button { font-family: inherit; cursor: pointer; background: none; border: none; color: inherit; }

input, textarea, select {
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--noir-soft);
  color: var(--ivoire);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  padding: 0.75rem 1rem;
  width: 100%;
}
input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--or);
  outline-offset: 1px;
}

.gold-text {
  background: linear-gradient(135deg, var(--or-light), var(--or), var(--or-dark));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: center;
  border-radius: 999px;
  padding: 0.9rem 1.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
  white-space: nowrap;
}
.btn-primaire {
  background: linear-gradient(135deg, var(--or-light), var(--or), var(--or-dark));
  color: #1a1204;
}
.btn-primaire:hover { transform: scale(1.03); }
.btn-secondaire {
  border: 1px solid var(--border);
  color: var(--ivoire);
}
.btn-secondaire:hover { border-color: var(--or); color: var(--or); }
.btn-sm { padding: 0.6rem 1.25rem; font-size: 0.8rem; }
.btn-full { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ---------- Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 1.25rem 0;
  background: transparent;
  transition: background 0.4s var(--ease), padding 0.4s var(--ease);
}
.nav.scrolled {
  padding: 0.75rem 0;
  background: rgba(10, 10, 11, 0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.nav-logo { display: inline-flex; align-items: center; gap: 0.6rem; font-family: 'Fraunces', serif; font-size: 1.25rem; flex-shrink: 0; }
.nav-logo img { flex-shrink: 0; }
.nav-liens { display: none; gap: clamp(1rem, 1.8vw, 2rem); font-size: 0.875rem; color: var(--muted); white-space: nowrap; }
.nav-liens a:hover { color: var(--ivoire); }
.nav-droite { display: none; align-items: center; gap: 1rem; flex-shrink: 0; }
.nav-burger { display: flex; background: none; border: none; color: var(--ivoire); flex-shrink: 0; }
@media (min-width: 1280px) {
  .nav-liens, .nav-droite { display: flex; }
  .nav-burger { display: none; }
}

.nav-mobile {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem clamp(1.25rem, 4vw, 2.5rem) 1.5rem;
  background: rgba(10, 10, 11, 0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: fixed;
  inset: 0;
  z-index: 100;
  width: 100%;
  height: 100dvh;
  justify-content: center;
  align-items: stretch;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), visibility 0s linear 0.35s;
  overflow-y: auto;
}
.nav-mobile.ouvert {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), visibility 0s linear 0s;
}
.nav-mobile a { padding: 0.75rem; border-radius: 0.5rem; font-size: 1.5rem; text-align: center; }
.nav-mobile a:hover { background: rgba(255,255,255,0.05); }
body.menu-ouvert { overflow: hidden; }

/* ---------- Fond animé partagé (voir js/fond-anime.js) ---------- */
.section-fond-anime {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, #0A0A0B 0%, #17120D 100%);
}
.canvas-fond-anime { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.motif-fond-anime {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(135deg, rgba(250,250,248,0.05) 0px, rgba(250,250,248,0.05) 1px, transparent 1px, transparent 34px);
  mask-image: radial-gradient(ellipse 60% 55% at 50% 45%, transparent 0%, transparent 35%, black 78%);
  -webkit-mask-image: radial-gradient(ellipse 60% 55% at 50% 45%, transparent 0%, transparent 35%, black 78%);
}
.voile-fond-anime {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 65% 60% at 50% 45%, rgba(10,10,11,0.65) 0%, rgba(10,10,11,0.35) 45%, rgba(10,10,11,0.15) 75%);
}
.contenu-fond-anime { position: relative; z-index: 1; }

/* ---------- Sections génériques ---------- */
section { padding: clamp(3.5rem, 8vw, 8rem) 0; }
.section-tete { max-width: 34rem; margin-bottom: 3.5rem; }
.eyebrow { font-size: 0.8rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--or); margin-bottom: 1rem; }
.section-tete h2, .page-titre h1 { font-size: clamp(1.75rem, 5vw, 2.75rem); }
.texte-muted { color: var(--muted); }

/* ---------- Fil d'Ariane ---------- */
.fil-ariane { font-size: 0.85rem; color: var(--muted); margin-bottom: 2rem; }
.fil-ariane a:hover { color: var(--or); }
.fil-ariane span.actif { color: var(--ivoire); }

/* ---------- Grilles ---------- */
.grille {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .grille-2, .grille-3, .grille-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grille-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1280px) { .grille-4 { grid-template-columns: repeat(4, 1fr); } }

/* ---------- Cartes collection ---------- */
.carte-collection {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--anthracite);
  transition: transform 0.5s var(--ease);
}
.carte-collection:hover { transform: translateY(-4px); }
.carte-collection img { display: block; width: 100%; height: auto; transition: transform 0.7s var(--ease); }
.carte-collection:hover img { transform: scale(1.05); }
.carte-collection::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.88) 100%);
}
.carte-collection-contenu { position: absolute; left: 0; right: 0; bottom: 0; z-index: 1; padding: 1.5rem; display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; }
.carte-collection-contenu h3 { font-size: 1.375rem; margin-bottom: 0.25rem; }
.carte-collection-contenu p { font-size: 0.8rem; color: rgba(250,250,248,0.7); }
.carte-fleche {
  flex-shrink: 0; width: 2.5rem; height: 2.5rem; border-radius: 999px;
  background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center;
  transition: background 0.3s, color 0.3s;
}
.carte-collection:hover .carte-fleche { background: var(--or); color: var(--noir); }

/* ---------- Cartes produit ---------- */
.carte-produit {
  display: block; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border); background: var(--noir-soft);
  transition: border-color 0.3s;
}
.carte-produit:hover { border-color: rgba(201,166,107,0.5); }
.carte-produit-image { overflow: hidden; background: var(--anthracite); }
.carte-produit-image img { display: block; width: 100%; height: auto; transition: transform 0.7s var(--ease); }
.carte-produit:hover .carte-produit-image img { transform: scale(1.05); }
.carte-produit-corps { padding: 1.25rem; }
.carte-produit-collection { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--or); }
.carte-produit-nom { font-size: 1.1rem; margin: 0.25rem 0; }
.carte-produit-specs { font-size: 0.85rem; color: var(--muted); }
.carte-produit-prix { margin-top: 0.75rem; font-weight: 500; }

/* ---------- Cartes génériques (avis, valeurs) ---------- */
.carte {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--noir-soft); padding: 2rem;
}

/* ---------- Formulaires ---------- */
.champ { margin-bottom: 1.5rem; }
.champ label { display: block; font-size: 0.85rem; margin-bottom: 0.5rem; }
.champ-erreur { color: #e05252; font-size: 0.75rem; margin-top: 0.35rem; }
.champ-ligne { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .champ-ligne-2 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 640px) { .champ-ligne-3 { grid-template-columns: 1fr 1fr 1fr; } }

/* ---------- Utilitaires ---------- */
.hidden { display: none !important; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.text-center { text-align: center; }

/* Animation d'apparition au scroll (via IntersectionObserver, voir main.js) */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Variante "flou vers net" : le texte se révèle progressivement de la
   gauche vers la droite (comme un rideau qui s'ouvre, via clip-path),
   tout en passant du flou au net — pas un simple fondu en bloc. */
.reveal-net {
  opacity: 0; filter: blur(16px); clip-path: inset(0 100% 0 0);
  transition: opacity 2.2s var(--ease), filter 2.2s var(--ease), clip-path 2.2s var(--ease);
}
.reveal-net.visible { opacity: 1; filter: blur(0); clip-path: inset(0 0% 0 0); }

/* ============================================================
   BACK-OFFICE (admin)
   ============================================================ */
.admin-corps { display: flex; min-height: 100vh; flex-direction: column; }
@media (min-width: 1024px) { .admin-corps { flex-direction: row; } }

.admin-topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem clamp(1.25rem, 4vw, 2rem); border-bottom: 1px solid var(--border); background: var(--noir-soft);
}
.admin-topbar button { font-size: 1.5rem; }
@media (min-width: 1024px) { .admin-topbar { display: none; } }

.admin-sidebar {
  display: none; flex-direction: column; width: 16rem; flex-shrink: 0;
  border-right: 1px solid var(--border); background: var(--noir-soft); padding: 1.5rem;
}
.admin-sidebar.ouvert { display: flex; position: fixed; inset: 0; z-index: 60; width: 100%; }
.admin-sidebar-logo { margin-bottom: 2rem; }
@media (min-width: 1024px) {
  .admin-sidebar { display: flex; position: static; width: 16rem; }
}
.admin-nav { display: flex; flex-direction: column; gap: 0.25rem; flex: 1; }
.admin-nav a { padding: 0.65rem 0.75rem; border-radius: 0.5rem; font-size: 0.9rem; color: var(--muted); }
.admin-nav a:hover { background: rgba(255,255,255,0.05); }
.admin-nav a.actif { background: rgba(201,166,107,0.1); color: var(--or); }

.admin-contenu { flex: 1; padding: clamp(1.25rem, 4vw, 2.5rem); overflow-x: hidden; }

.stat-carte { border: 1px solid var(--border); border-radius: 1rem; background: var(--noir-soft); padding: 1.5rem; }
.stat-carte .valeur { font-family: 'Fraunces', serif; font-size: 2rem; margin-top: 0.5rem; }

.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: 1rem; }
table.table-admin { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.table-admin th { text-align: left; padding: 1rem; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); background: rgba(255,255,255,0.03); border-bottom: 1px solid var(--border); }
table.table-admin td { padding: 1rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.table-admin tr:last-child td { border-bottom: none; }
.miniature { width: 2.5rem; height: 2.5rem; border-radius: 0.5rem; object-fit: cover; background: var(--anthracite); }
.action-icone { width: 2rem; height: 2rem; display: inline-flex; align-items: center; justify-content: center; border-radius: 0.4rem; }
.action-icone:hover { background: rgba(255,255,255,0.08); }

.panneau-formulaire { border: 1px solid var(--border); border-radius: 1rem; background: var(--noir-soft); padding: 1.5rem; max-width: 40rem; }
.zone-upload { border: 2px dashed var(--border); border-radius: 0.75rem; padding: 2rem; text-align: center; cursor: pointer; }
.zone-upload:hover { border-color: rgba(201,166,107,0.5); }
.miniatures-upload { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.6rem; margin-top: 1rem; }
.miniature-upload { position: relative; aspect-ratio: 1/1; border-radius: 0.5rem; overflow: hidden; background: var(--anthracite); }
.miniature-upload img { width: 100%; height: 100%; object-fit: cover; }
.miniature-upload button { position: absolute; top: 0.25rem; right: 0.25rem; width: 1.5rem; height: 1.5rem; border-radius: 999px; background: rgba(10,10,11,0.7); color: var(--ivoire); font-size: 0.75rem; }

/* ---------- Footer ---------- */
footer { border-top: 1px solid var(--border); }
footer .container { padding-left: clamp(1.5rem, 6vw, 3rem); padding-right: clamp(1.5rem, 6vw, 3rem); }
.footer-grille { display: grid; gap: 3rem; padding: 4rem 0; grid-template-columns: 1fr; }
.footer-liens { display: grid; gap: 2rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .footer-liens { grid-template-columns: repeat(3, 1fr); } }
.footer-grille h3 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--or); margin-bottom: 1rem; }
.footer-grille ul { list-style: none; }
.footer-grille li { margin-bottom: 0.6rem; font-size: 0.9rem; color: var(--muted); }
.footer-grille li a:hover { color: var(--ivoire); }
.footer-bas {
  border-top: 1px solid var(--border); padding: 1.5rem 0;
  display: flex; flex-direction: column; gap: 0.5rem; align-items: center; justify-content: space-between;
  font-size: 0.75rem; color: var(--muted);
}
@media (min-width: 640px) { .footer-bas { flex-direction: row; } }
