/* VAPOTRIX v1 — thème cyberpunk néon.
   Palette : fond #07091a / panneaux #10142b / néon cyan #00f0ff /
   magenta #ff2ec4 / violet #7b2eff / texte #e8ecff. */

:root {
  --fond: #07091a;
  --panneau: #10142b;
  --panneau2: #171c38;
  --bordure: #262d52;
  --cyan: #00f0ff;
  --magenta: #ff2ec4;
  --violet: #7b2eff;
  --jaune: #ffe14d;
  --vert: #3dff9e;
  --rouge: #ff4d6b;
  --texte: #e8ecff;
  --texte2: #8a93b8;
  --glow-cyan: 0 0 12px rgba(0, 240, 255, .45);
  --glow-magenta: 0 0 12px rgba(255, 46, 196, .45);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--fond);
  background-image:
    radial-gradient(1100px 500px at 85% -10%, rgba(123, 46, 255, .16), transparent 60%),
    radial-gradient(900px 420px at -10% 20%, rgba(0, 240, 255, .10), transparent 55%),
    radial-gradient(700px 500px at 55% 110%, rgba(255, 46, 196, .09), transparent 60%);
  background-attachment: fixed;
  color: var(--texte);
  font-family: 'Rajdhani', 'Segoe UI', sans-serif;
  font-size: 16.5px;
  line-height: 1.55;
  min-height: 100vh;
}

h1, h2, h3, .logo { font-family: 'Orbitron', 'Rajdhani', sans-serif; letter-spacing: .04em; }
h1 { font-size: 1.7rem; }
h2 { font-size: 1.25rem; margin-bottom: .7rem; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-shadow: var(--glow-cyan); }
img { max-width: 100%; }

.conteneur { max-width: 1180px; margin: 0 auto; padding: 0 18px; }

/* --- Bandeau légal + livraison ------------------------------------- */
.bandeau-legal {
  background: #000; color: #cdd3ee; font-size: .8rem; text-align: center;
  padding: 6px 10px; border-bottom: 1px solid #1d2340;
}
.bandeau-promesse {
  background: linear-gradient(90deg, rgba(0,240,255,.14), rgba(255,46,196,.14));
  border-bottom: 1px solid var(--bordure);
  text-align: center; font-weight: 600; font-size: .95rem; padding: 7px 10px;
}
.bandeau-promesse .eclair { color: var(--jaune); }

/* --- En-tête -------------------------------------------------------- */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7, 9, 26, .92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--bordure);
}
.barre-haut {
  display: flex; align-items: center; gap: 22px; padding: 14px 0;
}
.logo { font-size: 1.55rem; font-weight: 800; white-space: nowrap; }
.logo .vapo { color: var(--cyan); text-shadow: var(--glow-cyan); }
.logo .trix { color: var(--magenta); text-shadow: var(--glow-magenta); }
.nav-liens { display: flex; gap: 18px; align-items: center; margin-left: auto; }
.nav-liens a { color: var(--texte); font-weight: 600; font-size: 1rem; }
.nav-liens a:hover { color: var(--cyan); }

.btn-panier {
  position: relative; border: 1px solid var(--cyan); border-radius: 10px;
  padding: 7px 16px; color: var(--cyan) !important; box-shadow: var(--glow-cyan);
}
.btn-panier .compte {
  position: absolute; top: -9px; right: -9px; background: var(--magenta);
  color: #fff; border-radius: 50%; min-width: 21px; height: 21px;
  font-size: .75rem; display: flex; align-items: center; justify-content: center;
  box-shadow: var(--glow-magenta); font-weight: 700; padding: 0 4px;
}

/* --- Boutons --------------------------------------------------------- */
.btn {
  display: inline-block; border: none; cursor: pointer; font-weight: 700;
  font-family: inherit; font-size: 1rem; border-radius: 10px;
  padding: 11px 24px; transition: transform .12s, box-shadow .12s;
  text-align: center;
}
.btn:active { transform: scale(.97); }
.btn-neon {
  background: linear-gradient(90deg, var(--cyan), #2ee6ff);
  color: #04121a; box-shadow: var(--glow-cyan);
}
.btn-neon:hover { box-shadow: 0 0 22px rgba(0, 240, 255, .7); text-shadow: none; }
.btn-magenta {
  background: linear-gradient(90deg, var(--magenta), #ff5ad2);
  color: #fff; box-shadow: var(--glow-magenta);
}
.btn-contour {
  background: transparent; border: 1px solid var(--bordure); color: var(--texte);
}
.btn-contour:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-danger { background: var(--rouge); color: #fff; }
.btn-petit { padding: 6px 14px; font-size: .9rem; }

/* --- Héros (accueil) ------------------------------------------------- */
.heros {
  padding: 64px 0 48px; text-align: center; position: relative; overflow: hidden;
}
.heros h1 {
  font-size: clamp(1.9rem, 5vw, 3.2rem); line-height: 1.15; margin-bottom: 14px;
}
.heros h1 .n1 { color: var(--cyan); text-shadow: var(--glow-cyan); }
.heros h1 .n2 { color: var(--magenta); text-shadow: var(--glow-magenta); }
.heros p.sous { color: var(--texte2); font-size: 1.15rem; max-width: 640px; margin: 0 auto 26px; }
.heros .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.grille-valeurs {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px; margin: 34px 0;
}
.carte-valeur {
  background: var(--panneau); border: 1px solid var(--bordure);
  border-radius: 14px; padding: 20px; text-align: left;
  transition: border-color .15s, box-shadow .15s;
}
.carte-valeur:hover { border-color: var(--cyan); box-shadow: var(--glow-cyan); }
.carte-valeur .ico { font-size: 1.7rem; }
.carte-valeur h3 { margin: 8px 0 4px; font-size: 1.02rem; color: var(--cyan); }
.carte-valeur p { color: var(--texte2); font-size: .92rem; }

/* --- Cartes produit --------------------------------------------------- */
.grille-produits {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));
  gap: 18px;
}
.carte-produit {
  background: var(--panneau); border: 1px solid var(--bordure);
  border-radius: 14px; overflow: hidden; display: flex; flex-direction: column;
  transition: transform .15s, border-color .15s, box-shadow .15s;
  position: relative;
}
.carte-produit:hover {
  transform: translateY(-4px); border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
}
.carte-produit .visuel {
  aspect-ratio: 1; background: linear-gradient(135deg, #131836, #1b1030);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.carte-produit .visuel img { width: 100%; height: 100%; object-fit: cover; }
.visuel .placeholder { font-size: 3rem; filter: drop-shadow(0 0 10px rgba(0,240,255,.6)); }
.carte-produit .infos { padding: 13px 15px 15px; display: flex; flex-direction: column; gap: 5px; flex: 1; }
.carte-produit .nom { font-weight: 700; font-size: 1rem; color: var(--texte); line-height: 1.3; }
.carte-produit .marque { color: var(--texte2); font-size: .82rem; text-transform: uppercase; letter-spacing: .06em; }
.carte-produit .prix { color: var(--cyan); font-weight: 800; font-size: 1.12rem; margin-top: auto; }
.badge-rupture, .badge-nouveau, .badge-demo {
  position: absolute; top: 10px; left: 10px; font-size: .72rem; font-weight: 700;
  padding: 3px 9px; border-radius: 20px; z-index: 2;
}
.badge-rupture { background: var(--rouge); color: #fff; }
.badge-nouveau { background: var(--violet); color: #fff; box-shadow: 0 0 10px rgba(123,46,255,.6); }
.badge-demo { background: var(--jaune); color: #000; right: 10px; left: auto; }

/* Étoiles */
.etoiles { color: var(--jaune); font-size: .92rem; letter-spacing: 1.5px; }
.etoiles .vide { color: #3a4269; }
.note-nb { color: var(--texte2); font-size: .84rem; }

/* --- Boutique : sidebar + résultats ---------------------------------- */
.agencement-boutique { display: grid; grid-template-columns: 250px 1fr; gap: 26px; padding: 26px 0 50px; }
.sidebar {
  background: var(--panneau); border: 1px solid var(--bordure);
  border-radius: 14px; padding: 18px; align-self: start;
  position: sticky; top: 148px;
}
.sidebar h3 { font-size: .95rem; color: var(--texte2); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 10px; }
.recherche { display: flex; gap: 0; margin-bottom: 18px; }
.recherche input {
  flex: 1; background: #0a0e22; border: 1px solid var(--bordure);
  border-right: none; border-radius: 9px 0 0 9px; padding: 9px 12px;
  color: var(--texte); font-family: inherit; font-size: .95rem; min-width: 0;
}
.recherche input:focus { outline: none; border-color: var(--cyan); box-shadow: var(--glow-cyan); }
.recherche button {
  background: var(--cyan); border: none; border-radius: 0 9px 9px 0;
  padding: 0 14px; cursor: pointer; font-size: 1rem;
}
.arbo { list-style: none; }
.arbo > li { margin-bottom: 4px; }
.arbo a { display: block; color: var(--texte); padding: 5px 8px; border-radius: 7px; font-weight: 600; }
.arbo a:hover { background: var(--panneau2); color: var(--cyan); text-shadow: none; }
.arbo a.actif { background: rgba(0, 240, 255, .12); color: var(--cyan); border-left: 3px solid var(--cyan); }
.arbo .enfants { list-style: none; margin-left: 16px; border-left: 1px solid var(--bordure); }
.arbo .enfants a { font-weight: 500; font-size: .93rem; color: var(--texte2); }
.arbo .enfants a:hover, .arbo .enfants a.actif { color: var(--cyan); }

.barre-resultats { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.barre-resultats .nb { color: var(--texte2); }
.barre-resultats select {
  margin-left: auto; background: var(--panneau); color: var(--texte);
  border: 1px solid var(--bordure); border-radius: 8px; padding: 7px 10px;
  font-family: inherit;
}

/* --- Page produit ------------------------------------------------------ */
.fiche-produit { display: grid; grid-template-columns: minmax(280px, 460px) 1fr; gap: 34px; padding: 30px 0; }
.fiche-produit .visuel {
  background: linear-gradient(135deg, #131836, #1b1030);
  border: 1px solid var(--bordure); border-radius: 16px; aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.fiche-produit .visuel img { width: 100%; height: 100%; object-fit: cover; }
.fiche-produit .visuel .placeholder { font-size: 6rem; filter: drop-shadow(0 0 18px rgba(0,240,255,.6)); }
.fiche-produit h1 { font-size: 1.6rem; margin-bottom: 6px; }
.fiche-produit .prix { font-size: 1.9rem; color: var(--cyan); font-weight: 800; text-shadow: var(--glow-cyan); margin: 14px 0; }
.puces-attributs { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0; }
.puce {
  background: var(--panneau2); border: 1px solid var(--bordure);
  border-radius: 20px; padding: 4px 13px; font-size: .85rem; color: var(--texte2);
}
.stock-ok { color: var(--vert); font-weight: 700; }
.stock-bas { color: var(--jaune); font-weight: 700; }
.stock-rupture { color: var(--rouge); font-weight: 700; }
.ligne-achat { display: flex; gap: 12px; align-items: center; margin: 18px 0; flex-wrap: wrap; }
.champ-qte {
  width: 74px; background: #0a0e22; border: 1px solid var(--bordure);
  border-radius: 9px; padding: 10px; color: var(--texte); font-family: inherit;
  font-size: 1rem; text-align: center;
}
.description-produit { color: var(--texte2); margin: 14px 0; max-width: 60ch; }
.avert-nicotine {
  background: rgba(255, 225, 77, .07); border: 1px solid rgba(255, 225, 77, .35);
  border-radius: 10px; padding: 10px 14px; font-size: .85rem; color: var(--jaune);
  margin-top: 16px; max-width: 60ch;
}

/* Avis */
.section-avis { padding: 26px 0 46px; }
.carte-avis {
  background: var(--panneau); border: 1px solid var(--bordure);
  border-radius: 12px; padding: 15px 18px; margin-bottom: 12px;
}
.carte-avis .entete { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.carte-avis .auteur { font-weight: 700; }
.badge-verifie { color: var(--vert); font-size: .8rem; border: 1px solid rgba(61,255,158,.4); border-radius: 20px; padding: 1px 9px; }
.carte-avis .date { color: var(--texte2); font-size: .82rem; margin-left: auto; }
.carte-avis .texte { color: var(--texte); margin-top: 6px; }
.form-avis { background: var(--panneau); border: 1px solid var(--bordure); border-radius: 14px; padding: 20px; margin-top: 20px; max-width: 620px; }
.form-avis .note-choix { display: flex; flex-direction: row-reverse; justify-content: flex-end; gap: 4px; font-size: 1.7rem; }
.form-avis .note-choix input { display: none; }
.form-avis .note-choix label { color: #3a4269; cursor: pointer; transition: color .1s; }
.form-avis .note-choix input:checked ~ label,
.form-avis .note-choix label:hover, .form-avis .note-choix label:hover ~ label { color: var(--jaune); }

/* --- Formulaires ------------------------------------------------------- */
.champ { margin-bottom: 15px; }
.champ label { display: block; font-weight: 600; margin-bottom: 5px; font-size: .95rem; }
.champ input, .champ textarea, .champ select {
  width: 100%; background: #0a0e22; border: 1px solid var(--bordure);
  border-radius: 9px; padding: 11px 13px; color: var(--texte);
  font-family: inherit; font-size: 1rem;
}
.champ input:focus, .champ textarea:focus, .champ select:focus {
  outline: none; border-color: var(--cyan); box-shadow: var(--glow-cyan);
}
.champ .erreur-champ { color: var(--rouge); font-size: .85rem; margin-top: 3px; }
.deux-colonnes { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }

/* --- Panier ------------------------------------------------------------ */
.agencement-panier { display: grid; grid-template-columns: 1fr 340px; gap: 26px; padding: 26px 0 50px; align-items: start; }
.ligne-panier {
  display: grid; grid-template-columns: 74px 1fr auto; gap: 14px;
  background: var(--panneau); border: 1px solid var(--bordure);
  border-radius: 12px; padding: 12px; margin-bottom: 12px; align-items: center;
}
.ligne-panier .mini-visuel {
  width: 74px; height: 74px; border-radius: 9px; overflow: hidden;
  background: linear-gradient(135deg, #131836, #1b1030);
  display: flex; align-items: center; justify-content: center; font-size: 1.8rem;
}
.ligne-panier .mini-visuel img { width: 100%; height: 100%; object-fit: cover; }
.ctrl-qte { display: inline-flex; align-items: center; gap: 4px; }
.ctrl-qte button {
  width: 30px; height: 30px; border-radius: 7px; border: 1px solid var(--bordure);
  background: var(--panneau2); color: var(--texte); cursor: pointer; font-size: 1rem;
}
.ctrl-qte button:hover { border-color: var(--cyan); color: var(--cyan); }
.recap {
  background: var(--panneau); border: 1px solid var(--cyan);
  border-radius: 14px; padding: 20px; box-shadow: var(--glow-cyan);
  position: sticky; top: 148px;
}
.recap .ligne { display: flex; justify-content: space-between; margin-bottom: 8px; color: var(--texte2); }
.recap .total { display: flex; justify-content: space-between; font-size: 1.25rem; font-weight: 800; color: var(--texte); border-top: 1px solid var(--bordure); padding-top: 12px; margin-top: 10px; }
.recap .total span:last-child { color: var(--cyan); }

/* --- Tunnel : étapes --------------------------------------------------- */
.etapes { display: flex; gap: 8px; margin: 24px 0; flex-wrap: wrap; }
.etapes .etape {
  flex: 1; min-width: 110px; text-align: center; padding: 9px 6px; font-size: .85rem;
  font-weight: 700; border-radius: 9px; background: var(--panneau);
  border: 1px solid var(--bordure); color: var(--texte2);
}
.etapes .etape.faite { border-color: var(--vert); color: var(--vert); }
.etapes .etape.active { border-color: var(--cyan); color: var(--cyan); box-shadow: var(--glow-cyan); }

/* --- Mini-panier (tiroir après ajout) ---------------------------------- */
#mini-panier {
  position: fixed; top: 0; right: -420px; width: min(400px, 92vw); height: 100vh;
  background: var(--panneau); border-left: 1px solid var(--cyan);
  box-shadow: -8px 0 40px rgba(0, 240, 255, .25); z-index: 100;
  transition: right .28s ease; padding: 26px; display: flex; flex-direction: column;
}
#mini-panier.ouvert { right: 0; }
#mini-panier h3 { color: var(--vert); margin-bottom: 12px; }
#mini-panier .actions { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }
#voile { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 99; display: none; }
#voile.ouvert { display: block; }

/* --- Vérification d'âge ------------------------------------------------- */
#voile-age {
  position: fixed; inset: 0; background: rgba(4, 5, 14, .96); z-index: 200;
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.boite-age {
  background: var(--panneau); border: 1px solid var(--magenta);
  box-shadow: var(--glow-magenta); border-radius: 18px; max-width: 460px;
  padding: 34px; text-align: center;
}
.boite-age h2 { color: var(--magenta); }
.boite-age p { color: var(--texte2); margin: 14px 0 22px; }
.boite-age .boutons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* --- Messages flash ----------------------------------------------------- */
.flash { border-radius: 10px; padding: 12px 16px; margin: 14px 0; font-weight: 600; }
.flash.succes { background: rgba(61, 255, 158, .1); border: 1px solid var(--vert); color: var(--vert); }
.flash.erreur { background: rgba(255, 77, 107, .1); border: 1px solid var(--rouge); color: var(--rouge); }

/* --- Sections / titres -------------------------------------------------- */
.titre-section { display: flex; align-items: baseline; gap: 14px; margin: 34px 0 18px; }
.titre-section .trait { flex: 1; height: 1px; background: linear-gradient(90deg, var(--bordure), transparent); }

/* --- Pied de page -------------------------------------------------------- */
footer.site {
  border-top: 1px solid var(--bordure); margin-top: 40px; padding: 30px 0;
  color: var(--texte2); font-size: .9rem;
}
footer.site .colonnes { display: flex; gap: 40px; flex-wrap: wrap; justify-content: space-between; }
footer.site .avert { margin-top: 18px; font-size: .78rem; border-top: 1px dashed var(--bordure); padding-top: 14px; }

/* --- Admin --------------------------------------------------------------- */
.admin-nav {
  display: flex; gap: 6px; flex-wrap: wrap; padding: 12px 0;
  border-bottom: 1px solid var(--bordure); margin-bottom: 22px;
}
.admin-nav a {
  padding: 7px 14px; border-radius: 8px; color: var(--texte); font-weight: 600;
  font-size: .93rem; border: 1px solid transparent;
}
.admin-nav a.actif, .admin-nav a:hover { border-color: var(--cyan); color: var(--cyan); text-shadow: none; }
.grille-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 13px; margin-bottom: 24px; }
.stat {
  background: var(--panneau); border: 1px solid var(--bordure);
  border-radius: 12px; padding: 15px;
}
.stat .valeur { font-size: 1.5rem; font-weight: 800; color: var(--cyan); font-family: 'Orbitron', sans-serif; }
.stat .libelle { color: var(--texte2); font-size: .85rem; }
.stat.magenta .valeur { color: var(--magenta); }
.stat.vert .valeur { color: var(--vert); }
.stat.jaune .valeur { color: var(--jaune); }

table.donnees { width: 100%; border-collapse: collapse; font-size: .95rem; }
table.donnees th {
  text-align: left; color: var(--texte2); font-size: .8rem; text-transform: uppercase;
  letter-spacing: .07em; padding: 9px 10px; border-bottom: 1px solid var(--bordure);
}
table.donnees td { padding: 10px; border-bottom: 1px solid #1b2140; }
table.donnees tr:hover td { background: rgba(0, 240, 255, .04); }

.pastille { display: inline-block; padding: 2px 11px; border-radius: 20px; font-size: .8rem; font-weight: 700; }
.pastille.en_attente { background: rgba(255,225,77,.12); color: var(--jaune); border: 1px solid rgba(255,225,77,.4); }
.pastille.payee { background: rgba(0,240,255,.1); color: var(--cyan); border: 1px solid rgba(0,240,255,.4); }
.pastille.en_livraison { background: rgba(123,46,255,.14); color: #b98cff; border: 1px solid rgba(123,46,255,.5); }
.pastille.livree, .pastille.terminee { background: rgba(61,255,158,.1); color: var(--vert); border: 1px solid rgba(61,255,158,.4); }
.pastille.annulee { background: rgba(255,77,107,.1); color: var(--rouge); border: 1px solid rgba(255,77,107,.4); }

.panneau {
  background: var(--panneau); border: 1px solid var(--bordure);
  border-radius: 14px; padding: 20px; margin-bottom: 20px;
}

/* --- Ambiance cyberpunk : fumée, scanlines, néon vivant ------------------- */
/* Fumée de vape qui monte : gros halos flous animés uniquement en
   transform/opacity (GPU) -> aucun impact sur la vitesse de chargement. */
.fumee {
  position: fixed; bottom: -22vh; border-radius: 50%;
  filter: blur(64px); opacity: 0; pointer-events: none; z-index: -1;
  animation: fumee-monte linear infinite;
}
.fumee.f1 { left: 6vw;  width: 34vw; height: 34vw; background: rgba(0, 240, 255, .20); animation-duration: 26s; }
.fumee.f2 { left: 55vw; width: 40vw; height: 40vw; background: rgba(255, 46, 196, .14); animation-duration: 34s; animation-delay: -12s; }
.fumee.f3 { left: 30vw; width: 26vw; height: 26vw; background: rgba(123, 46, 255, .18); animation-duration: 22s; animation-delay: -6s; }
.fumee.f4 { left: 78vw; width: 22vw; height: 22vw; background: rgba(0, 240, 255, .12); animation-duration: 30s; animation-delay: -20s; }
@keyframes fumee-monte {
  0%   { transform: translate3d(0, 0, 0) scale(1); opacity: 0; }
  10%  { opacity: .35; }
  55%  { opacity: .18; transform: translate3d(4vw, -55vh, 0) scale(1.35); }
  100% { transform: translate3d(-3vw, -125vh, 0) scale(1.8); opacity: 0; }
}

/* Scanlines CRT très subtiles par-dessus tout. */
#scanlines {
  position: fixed; inset: 0; pointer-events: none; z-index: 998;
  background: repeating-linear-gradient(0deg, rgba(0, 0, 0, .16) 0 1px,
                                        transparent 1px 3px);
  opacity: .28; mix-blend-mode: multiply;
}

/* Sol quadrillé en perspective sous le héros (accueil). */
.heros::before {
  content: ""; position: absolute; left: -20%; right: -20%; bottom: 0;
  height: 52%; pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 240, 255, .16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 46, 196, .12) 1px, transparent 1px);
  background-size: 46px 46px;
  transform: perspective(430px) rotateX(58deg);
  transform-origin: bottom;
  -webkit-mask-image: linear-gradient(transparent 0%, #000 60%);
  mask-image: linear-gradient(transparent 0%, #000 60%);
  animation: grille-defile 3.2s linear infinite;
}
@keyframes grille-defile { to { background-position-y: 46px, 0; } }
.heros::before { z-index: -2; }

/* Vapoteur en fond du héros (accueil) : photo N&B (licence Pexels)
   teintée cyan/violet/magenta par blend-mode -> duotone néon maison. */
.heros::after {
  content: ""; position: absolute; right: 0; bottom: 0; z-index: -1;
  width: min(640px, 62vw); height: 100%;
  background-image:
    linear-gradient(115deg, rgba(0, 240, 255, .75), rgba(123, 46, 255, .65) 45%,
                    rgba(255, 46, 196, .75)),
    url("vapoteur.webp");
  background-size: cover; background-position: center 20%;
  background-blend-mode: color;
  opacity: .85; pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 38%);
  mask-image: linear-gradient(90deg, transparent 0, #000 38%);
}
@media (max-width: 760px) { .heros::after { opacity: .3; width: 96vw; } }
.heros > * { position: relative; }

/* Néon du logo qui grésille de temps en temps. */
.logo .vapo { animation: neon-gresille 7s infinite; }
.logo .trix { animation: neon-gresille 9s infinite reverse; }
@keyframes neon-gresille {
  0%, 18%, 22%, 63%, 100% { opacity: 1; }
  19%, 21% { opacity: .55; text-shadow: none; }
  64%      { opacity: .8; }
}

/* Reflet lumineux qui balaye les boutons néon. */
.btn-neon { position: relative; overflow: hidden; }
.btn-neon::after {
  content: ""; position: absolute; top: 0; left: -80%; width: 45%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .5), transparent);
  transform: skewX(-20deg); animation: balayage 3.4s ease-in-out infinite;
}
@keyframes balayage { 0%, 55% { left: -80%; } 85%, 100% { left: 130%; } }

/* Apparition douce du contenu (léger, une seule fois). */
main { animation: page-entree .3s ease-out; }
@keyframes page-entree { from { opacity: 0; transform: translateY(8px); } }

/* Bouton « Se connecter » dans la nav. */
.btn-connexion {
  border: 1px solid var(--magenta); border-radius: 10px; padding: 7px 16px;
  color: var(--magenta) !important; box-shadow: var(--glow-magenta);
  font-weight: 700;
}
.btn-connexion:hover { background: rgba(255, 46, 196, .12); text-shadow: none; }

/* Onglets (espace client). */
.onglets { display: flex; gap: 8px; margin-bottom: 18px; }
.onglets button {
  flex: 1; padding: 11px; border-radius: 10px; cursor: pointer;
  background: transparent; border: 1px solid var(--bordure);
  color: var(--texte2); font-family: inherit; font-weight: 700; font-size: .98rem;
}
.onglets button.actif {
  border-color: var(--cyan); color: var(--cyan); box-shadow: var(--glow-cyan);
}

/* Vitesse de rendu : les cartes hors écran ne sont pas calculées. */
.carte-produit { content-visibility: auto; contain-intrinsic-size: 360px; }

/* Accessibilité : on coupe les animations si l'utilisateur le demande. */
@media (prefers-reduced-motion: reduce) {
  .fumee, .heros::before, .logo .vapo, .logo .trix, .btn-neon::after, main {
    animation: none !important;
  }
  .fumee { display: none; }
}

/* --- Responsive ----------------------------------------------------------- */
@media (max-width: 900px) {
  .agencement-boutique { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .fiche-produit { grid-template-columns: 1fr; }
  .agencement-panier { grid-template-columns: 1fr; }
  .recap { position: static; }
  .deux-colonnes { grid-template-columns: 1fr; }
  .nav-liens { gap: 10px; }
  .nav-liens .masquer-mobile { display: none; }
}