/* ============================================================
   Our System - Feuille de style
   Identite : bleu marine corporate, net, technique, confiance
   ============================================================ */
:root{
  --navy:#0e2235;        /* fond profond, hero */
  --navy2:#16304a;       /* surfaces sombres */
  --bleu:#2563a8;        /* accent principal */
  --bleu-clair:#4a8fd4;  /* accent clair */
  --cyan:#3fb6c4;        /* signature, ponctuation */
  --gris:#5a6278;
  --gris-clair:#8b93a7;
  --bg:#f5f7fa;          /* fond clair */
  --carte:#ffffff;
  --ligne:#e4e8ee;
  --texte:#16202e;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',Roboto,Arial,sans-serif;background:var(--bg);color:var(--texte);line-height:1.6}
a{text-decoration:none;color:inherit}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}

/* ---- Header ---- */
header.site{position:sticky;top:0;z-index:50;background:rgba(14,34,53,.95);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.08)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:20px;letter-spacing:.3px}
.logo .mark{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--bleu),var(--cyan));display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff}
.logo small{display:block;font-size:10px;font-weight:400;color:var(--cyan);letter-spacing:2px;text-transform:uppercase;margin-top:-2px}
nav.site a{color:#c7d0dc;font-size:14px;margin-left:26px;transition:color .2s}
nav.site a:hover{color:#fff}

/* ---- Hero ---- */
.hero{background:linear-gradient(160deg,var(--navy) 0%,var(--navy2) 100%);color:#fff;padding:90px 0 100px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(63,182,196,.18),transparent 70%)}
.hero .eyebrow{color:var(--cyan);font-size:13px;letter-spacing:3px;text-transform:uppercase;font-weight:600;margin-bottom:18px}
.hero h1{font-size:46px;line-height:1.15;font-weight:800;max-width:760px;margin-bottom:22px}
.hero h1 .accent{color:var(--cyan)}
.hero p{font-size:18px;color:#b9c4d2;max-width:600px;margin-bottom:34px}
.hero .cta{display:inline-flex;align-items:center;gap:10px;background:var(--bleu);color:#fff;padding:14px 28px;border-radius:9px;font-weight:600;font-size:15px;transition:transform .15s,background .2s}
.hero .cta:hover{background:var(--bleu-clair);transform:translateY(-2px)}
.hero .cta.ghost{background:transparent;border:1px solid rgba(255,255,255,.25);margin-left:14px}
.hero .cta.ghost:hover{background:rgba(255,255,255,.08)}

/* ---- Bandeau confiance ---- */
.trust{background:var(--navy2);padding:22px 0;border-top:1px solid rgba(255,255,255,.06)}
.trust .wrap{display:flex;flex-wrap:wrap;gap:34px;justify-content:center;color:#9fb0c2;font-size:14px}
.trust b{color:#fff}

/* ---- Sections ---- */
section.bloc{padding:74px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 50px}
.section-head .eyebrow{color:var(--bleu);font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:700;margin-bottom:12px}
.section-head h2{font-size:32px;font-weight:800;color:var(--texte);margin-bottom:14px}
.section-head p{color:var(--gris);font-size:16px}

/* ---- Grille catalogue ---- */
.grille{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:26px}
.produit{background:var(--carte);border:1px solid var(--ligne);border-radius:16px;overflow:hidden;transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column}
.produit:hover{transform:translateY(-4px);box-shadow:0 14px 36px rgba(14,34,53,.12)}
.produit .haut{padding:26px 26px 0;position:relative}
.produit .cat{display:inline-block;font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--bleu);background:rgba(37,99,168,.08);padding:5px 11px;border-radius:20px;margin-bottom:14px}
.produit h3{font-size:22px;font-weight:800;margin-bottom:8px}
.produit .accroche{color:var(--gris);font-size:14px;margin-bottom:18px}
.produit .corps{padding:0 26px;flex:1}
.produit ul{list-style:none;margin-bottom:18px}
.produit ul li{font-size:13px;color:var(--texte);padding:5px 0 5px 22px;position:relative}
.produit ul li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--cyan)}
.produit .bas{padding:18px 26px 26px;display:flex;gap:10px;border-top:1px solid var(--ligne);margin-top:6px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:11px 18px;border-radius:9px;font-weight:600;font-size:14px;cursor:pointer;transition:all .18s;border:none}
.btn-p{background:var(--bleu);color:#fff;flex:1}
.btn-p:hover{background:var(--bleu-clair)}
.btn-g{background:#fff;color:var(--bleu);border:1px solid var(--ligne);flex:1}
.btn-g:hover{border-color:var(--bleu);background:#f7faff}
.badge-soon{font-size:11px;color:var(--gris-clair);font-style:italic;align-self:center}

/* ---- Page detail produit ---- */
.detail-hero{background:linear-gradient(160deg,var(--navy),var(--navy2));color:#fff;padding:64px 0}
.detail-hero .cat{color:var(--cyan);font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:700}
.detail-hero h1{font-size:40px;font-weight:800;margin:12px 0 16px}
.detail-hero p{font-size:18px;color:#b9c4d2;max-width:640px}
.detail-body{padding:60px 0}
.detail-grid{display:grid;grid-template-columns:1fr 320px;gap:48px}
.detail-grid h2{font-size:24px;margin-bottom:18px}
.fonctions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:30px}
.fonctions .f{display:flex;gap:10px;align-items:flex-start;font-size:14px;padding:12px 14px;background:var(--carte);border:1px solid var(--ligne);border-radius:10px}
.fonctions .f .ic{color:var(--cyan);font-weight:700;flex-shrink:0}
.aside{background:var(--carte);border:1px solid var(--ligne);border-radius:16px;padding:26px;height:fit-content;position:sticky;top:90px}
.aside .lbl{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--gris-clair);font-weight:700;margin-bottom:6px}
.aside .val{font-size:15px;margin-bottom:20px}
.aside .btn{width:100%;margin-bottom:10px}
.retour{display:inline-flex;align-items:center;gap:8px;color:#c7d0dc;font-size:14px;margin-bottom:20px}
.retour:hover{color:#fff}

/* ---- Footer ---- */
footer.site{background:var(--navy);color:#9fb0c2;padding:50px 0 30px;margin-top:40px}
footer.site .cols{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between;margin-bottom:30px}
footer.site h4{color:#fff;font-size:15px;margin-bottom:14px}
footer.site a{display:block;color:#9fb0c2;font-size:14px;padding:4px 0}
footer.site a:hover{color:var(--cyan)}
footer.site .bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---- Responsive ---- */
@media(max-width:820px){
  .hero h1{font-size:34px}
  .detail-grid{grid-template-columns:1fr}
  .fonctions{grid-template-columns:1fr}
  nav.site{display:none}
  .aside{position:static}
}