/* ============================================================
   GRAND CABLE AFRIQUE — Feuille de style commune
   Charte verte Grand Cable (alignée sur les catalogues produits) :
   vert principal #4E9C77 · vert vif #66B98D · vert clair #A5D4BC
   Règle : vert lumineux, jamais sombre. Graphismes plats.
   ============================================================ */
:root {
  --vert: #54AA77;          /* vert principal */
  --vert-vif: #66B98D;      /* vert vif (dégradés, survols) */
  --vert-pale: #A5D4BC;     /* vert clair (aplats secondaires) */
  --vert-fonce: #3F8168;    /* vert soutenu (titres, pied de page) */
  --vert-clair: #EDF7F2;    /* teinte très claire (fonds de section) */
  --gris-texte: #333333;
  --gris-clair: #F6F9F7;
  --bordure: #DCE7E1;
  --blanc: #FFFFFF;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: Bahnschrift, "Segoe UI", Arial, "Noto Sans", sans-serif;
  font-stretch: 95%;
  color: var(--gris-texte);
  line-height: 1.65;
  background: var(--blanc);
}
img { max-width: 100%; display: block; }
a { color: var(--vert-fonce); text-decoration: none; }
a:hover { text-decoration: underline; }
.conteneur { max-width: 1160px; margin: 0 auto; padding: 0 20px; }

/* ---- Barre supérieure ---- */
.barre-haut {
  background: var(--vert-fonce);
  color: #E4F2EA;
  font-size: 13px;
  padding: 6px 0;
}
.barre-haut .conteneur { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.barre-haut a { color: #fff; }

/* ---- En-tête / navigation ---- */
.en-tete { background: var(--blanc); border-bottom: 2px solid var(--vert-vif); position: sticky; top: 0; z-index: 50; }
.en-tete .conteneur { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; padding-top: 12px; padding-bottom: 12px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo .logo-img { height: 48px; width: auto; display: block; }
.logo .nom { font-weight: 700; color: var(--vert-fonce); font-size: 18px; line-height: 1.2; }
.logo .nom small { display: block; font-weight: 400; color: #6B7B73; font-size: 11px; letter-spacing: 2px; text-transform: uppercase; }
.menu ul { list-style: none; display: flex; gap: 2px; flex-wrap: wrap; }
.menu a {
  display: block; padding: 10px 12px; font-weight: 600; font-size: 14.5px; color: var(--vert-fonce); border-radius: 6px;
}
.menu a:hover, .menu a.actif { background: var(--vert-clair); color: var(--vert-fonce); text-decoration: none; }

/* ---- Bannière (vert lumineux + trame de points, style logo Grand Cable) ---- */
.trame-points {
  background-image:
    radial-gradient(circle, rgba(31,94,68,.16) 0 3.5px, transparent 3.6px),
    radial-gradient(circle, rgba(31,94,68,.10) 0 3.5px, transparent 3.6px);
  background-size: 22px 22px, 22px 22px;
  background-position: 0 0, 11px 11px;
}
.banniere {
  background-color: var(--vert);
  color: #fff; padding: 90px 0 100px;
  box-shadow: inset 0 6px 0 rgba(31,60,47,.55), inset 0 -6px 0 rgba(31,60,47,.55);
}
.banniere.trame-points {
  background-image:
    linear-gradient(100deg, rgba(52,124,94,.94) 0%, rgba(84,170,119,.86) 55%, rgba(102,185,141,.78) 100%),
    radial-gradient(circle, rgba(31,94,68,.16) 0 3.5px, transparent 3.6px),
    radial-gradient(circle, rgba(31,94,68,.10) 0 3.5px, transparent 3.6px),
    url("img/hero-factory.jpg");
  background-size: cover, 22px 22px, 22px 22px, cover;
  background-position: center, 0 0, 11px 11px, center;
  background-blend-mode: normal, normal, normal, normal;
}
.banniere h1 { font-size: 40px; line-height: 1.22; max-width: 760px; margin-bottom: 14px; text-shadow: 0 1px 2px rgba(0,0,0,.08); }
.banniere p { font-size: 18px; max-width: 660px; color: #F2FBF6; margin-bottom: 26px; }
.bouton {
  display: inline-block; background: #fff; color: var(--vert-fonce); font-weight: 700;
  padding: 13px 30px; border-radius: 6px; font-size: 16px;
}
.bouton:hover { background: var(--vert-clair); text-decoration: none; color: var(--vert-fonce); }
.bouton.secondaire { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.75); }
.bouton.secondaire:hover { border-color: #fff; background: rgba(255,255,255,.12); }

/* ---- Sections ---- */
.section { padding: 60px 0; }
.section.grise { background: var(--gris-clair); }
.titre-section { text-align: center; margin-bottom: 36px; }
.titre-section h2 { font-size: 28px; color: var(--vert-fonce); }
.titre-section p { color: #66746D; max-width: 660px; margin: 8px auto 0; }
.surligne { color: var(--vert); }

/* ---- Cartes produits ---- */
.grille-cartes { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 22px; }
.carte {
  background: var(--blanc); border: 1px solid var(--bordure); border-radius: 10px; overflow: hidden;
  transition: box-shadow .2s, transform .2s; display: flex; flex-direction: column;
}
.carte:hover { box-shadow: 0 10px 26px rgba(78,156,119,.22); transform: translateY(-3px); }
.carte .visuel {
  height: 170px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--vert-vif), var(--vert-pale));
  position: relative; overflow: hidden;
}
.carte .visuel svg { width: 120px; height: 120px; }
.carte .corps { padding: 18px 20px 22px; flex: 1; display: flex; flex-direction: column; }
.carte h3 { color: var(--vert-fonce); font-size: 18px; margin-bottom: 6px; }
.carte .norme {
  display: inline-block; font-size: 12px; font-weight: 700; color: var(--vert-fonce);
  background: var(--vert-clair); border: 1px solid var(--vert-pale); border-radius: 4px; padding: 2px 8px; margin-bottom: 10px; align-self: flex-start;
}
.carte p { font-size: 14px; color: #5C6B64; flex: 1; }
.carte .lien { margin-top: 14px; font-weight: 700; color: var(--vert); }

/* ---- Chiffres clés ---- */
.chiffres { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 18px; text-align: center; }
.chiffre { background: var(--blanc); border: 1px solid var(--bordure); border-top: 3px solid var(--vert-vif); border-radius: 10px; padding: 26px 10px; }
.chiffre .valeur { font-size: 34px; font-weight: 800; color: var(--vert-fonce); }
.chiffre .valeur span { color: var(--vert); }
.chiffre .libelle { font-size: 14px; color: #66746D; margin-top: 4px; }

/* ---- Pourquoi nous ---- */
.atouts { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 22px; }
.atout { background: var(--blanc); border: 1px solid var(--bordure); border-radius: 10px; padding: 24px; }
.atout .icone {
  width: 48px; height: 48px; border-radius: 50%; background: var(--vert-clair); border: 1px solid var(--vert-pale);
  display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 14px;
}
.atout h3 { font-size: 16px; color: var(--vert-fonce); margin-bottom: 6px; }
.atout p { font-size: 14px; color: #5C6B64; }

/* ---- Tableaux de spécifications ---- */
.tableau-wrap { overflow-x: auto; background: var(--blanc); border: 1px solid var(--bordure); border-radius: 10px; }
table.spec { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 640px; }
table.spec th, table.spec td { border: 1px solid var(--bordure); padding: 9px 12px; text-align: center; }
table.spec th { background: var(--vert); color: #fff; font-weight: 600; }
table.spec tr:nth-child(even) td { background: #F7FBF9; }
table.spec td:first-child { font-weight: 600; color: var(--vert-fonce); }

/* ---- Page produit (en-tête interne) ---- */
.entete-page {
  background: linear-gradient(115deg, var(--vert) 0%, var(--vert-vif) 100%);
  color: #fff; padding: 46px 0;
}
.entete-page.trame-points {
  background-image:
    radial-gradient(circle, rgba(255,255,255,.16) 0 3px, transparent 3.1px),
    radial-gradient(circle, rgba(255,255,255,.09) 0 3px, transparent 3.1px),
    linear-gradient(115deg, var(--vert) 0%, var(--vert-vif) 100%);
  background-size: 20px 20px, 20px 20px, 100% 100%;
  background-position: 0 0, 10px 10px, 0 0;
}
.entete-page .fil { font-size: 13px; color: #EAF7F0; margin-bottom: 10px; }
.entete-page .fil a { color: #fff; text-decoration: underline; }
.entete-page h1 { font-size: 30px; }
.entete-page .norme-badge {
  display: inline-block; margin-top: 10px; background: rgba(255,255,255,.94); color: var(--vert-fonce);
  font-weight: 700; font-size: 14px; padding: 4px 12px; border-radius: 4px;
}
.bloc-produit { display: grid; grid-template-columns: 1fr 1.4fr; gap: 34px; align-items: start; }
@media (max-width: 860px) { .bloc-produit { grid-template-columns: 1fr; } }
.fig-produit {
  background: linear-gradient(135deg, var(--vert-vif), var(--vert-pale)); border-radius: 10px;
  min-height: 300px; display: flex; align-items: center; justify-content: center; color: #fff;
  text-align: center; padding: 20px;
}
.fig-produit svg { width: 200px; height: 200px; }
.telecharge-pdf {
  display: inline-block; margin-top: 16px; border: 2px solid var(--vert); color: var(--vert-fonce);
  padding: 10px 22px; border-radius: 6px; font-weight: 700; font-size: 14px;
}
.telecharge-pdf:hover { background: var(--vert); color: #fff; text-decoration: none; }
h2.sous-titre {
  color: var(--vert-fonce); font-size: 22px; margin: 34px 0 14px; padding-left: 34px; position: relative;
  border-left: 4px solid var(--vert-vif);
}
h2.sous-titre::before {
  content: ""; position: absolute; left: 9px; top: 4px; width: 18px; height: 18px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234E9C77' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M9 3v5M15 3v5M7 8h10v4a5 5 0 0 1-5 5 5 5 0 0 1-5-5V8zM12 17v4'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-size: contain;
}
.liste-check { list-style: none; }
.liste-check li { padding-left: 28px; position: relative; margin-bottom: 8px; }
.liste-check li::before { content: "✔"; position: absolute; left: 0; color: var(--vert); font-weight: 700; }
.note-source { font-size: 12.5px; color: #7E8C85; margin-top: 10px; }

/* ---- Projets ---- */
.projet { display: grid; grid-template-columns: 90px 1fr; gap: 18px; background: var(--blanc); border: 1px solid var(--bordure); border-left: 4px solid var(--vert-vif); border-radius: 10px; padding: 20px; margin-bottom: 16px; }
.projet .annee { font-weight: 800; font-size: 20px; color: var(--vert); text-align: center; padding-top: 4px; }
.projet h3 { color: var(--vert-fonce); font-size: 17px; margin-bottom: 4px; }
.projet p { font-size: 14px; color: #5C6B64; }

/* ---- FAQ ---- */
.faq details { background: var(--blanc); border: 1px solid var(--bordure); border-radius: 8px; margin-bottom: 10px; padding: 14px 18px; }
.faq summary { font-weight: 700; color: var(--vert-fonce); cursor: pointer; }
.faq details p { margin-top: 10px; font-size: 14.5px; color: #5C6B64; }

/* ---- Bandeau CTA (même trame) ---- */
.bandeau-cta { background-color: var(--vert); color: #fff; padding: 44px 0; text-align: center; }
.bandeau-cta.trame-points {
  background-image:
    radial-gradient(circle, rgba(31,94,68,.14) 0 3px, transparent 3.1px),
    radial-gradient(circle, rgba(31,94,68,.09) 0 3px, transparent 3.1px);
  background-size: 20px 20px, 20px 20px;
  background-position: 0 0, 10px 10px;
}
.bandeau-cta h2 { font-size: 24px; margin-bottom: 8px; }
.bandeau-cta p { color: #F2FBF6; margin-bottom: 18px; }
.bandeau-cta .bouton { background: #fff; color: var(--vert-fonce); }

/* ---- Pied de page ---- */
.pied { background: var(--vert-fonce); color: #DCEFE4; padding: 44px 0 0; font-size: 14px; }
.pied h4 { color: #fff; font-size: 15px; margin-bottom: 14px; text-transform: uppercase; letter-spacing: 1px; }
.pied .colonnes { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; padding-bottom: 30px; }
@media (max-width: 760px) { .pied .colonnes { grid-template-columns: 1fr; } }
.pied ul { list-style: none; }
.pied li { margin-bottom: 8px; }
.pied a { color: #EDF7F2; }
.pied .bas { border-top: 1px solid rgba(255,255,255,.18); padding: 14px 0; text-align: center; font-size: 12.5px; color: #B4D6C4; }

/* Logo du pied de page (pastille blanche pour contraste sur fond vert) */
.pied-logo { height: 52px; background: #fff; border-radius: 10px; padding: 7px 10px; margin-bottom: 12px; display: inline-block; }


/* ---- Photos : cartes produits, galeries, bandeaux ---- */
.carte .visuel img { width: 100%; height: 100%; object-fit: cover; }
.galerie { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin-top: 26px; }
.galerie figure { margin: 0; border-radius: 10px; overflow: hidden; border: 1px solid var(--bordure); background: #fff; }
.galerie img { width: 100%; height: 200px; object-fit: cover; display: block; }
.galerie figcaption { padding: 9px 12px; font-size: 13px; color: #5C6B64; }
.bande-photos { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-top: 20px; }
.bande-photos img { width: 100%; height: 190px; object-fit: cover; border-radius: 10px; border: 1px solid var(--bordure); }
.fig-produit img { width: 100%; height: 100%; object-fit: cover; border-radius: 10px; }

/* ---- Filigrane logo uniforme (cartes + visuels produit) ---- */
.carte .visuel::after,
.fig-produit::after {
  content: ""; position: absolute; right: 10px; bottom: 10px;
  width: 34px; height: 34px; border-radius: 9px;
  background: url("logo-mark.png") center / 22px 22px no-repeat #FFFFFF;
  border: 0.5px solid var(--bordure); opacity: .96;
}
.fig-produit { position: relative; }
.fig-produit::after { width: 44px; height: 44px; border-radius: 11px; background-size: 28px 28px; }