:root{
  --noir:#0C1410; --noir-2:#0F1B15;
  --vert:#16A34A; --vert-vif:#4ADE80; --vert-fonce:#0E7C38; --vert-pale:#E8F7EE;
  --blanc:#fff; --beige:#F6F8F6; --bordure:#E4E9E5;
  --gris:#5A6B60; --gris-clair:#8A958D; --encre:#0C1410;
  --terre:#3F6212; --terre-bg:#EDF3DF;
  --transport:#16A34A; --transport-bg:#E8F7EE;
  --sabliere:#4D7C0F; --sabliere-bg:#EEF6E0;
  --pepiniere:#65A30D; --pepiniere-bg:#F2F8E4;
  --location:#0F766E; --location-bg:#DEF3F0;
  --epandage:#15803D; --epandage-bg:#E3F4E9;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Helvetica,Arial,sans-serif;background:var(--blanc);color:var(--encre);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1140px;margin:0 auto;padding:0 22px}
.tx-nav{position:sticky;top:0;z-index:60;background:rgba(12,20,16,.94);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.tx-nav .row{display:flex;align-items:center;justify-content:space-between;height:64px;max-width:1140px;margin:0 auto;padding:0 22px}
.tx-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;letter-spacing:.4px;font-size:15px}
.tx-logo .mk{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--vert),var(--vert-vif));display:grid;place-items:center;font-size:16px;font-weight:900;color:#06281a}
.tx-logo small{display:block;font-size:10px;letter-spacing:2px;color:var(--vert-vif);font-weight:700}
.tx-links{display:flex;gap:24px;align-items:center}
.tx-links a{color:#c8d2cb;font-size:13.5px;font-weight:600;transition:.15s}
.tx-links a:hover,.tx-links a.active{color:#fff}
.tx-cta{background:var(--vert)!important;color:#06281a!important;padding:9px 16px;border-radius:9px;font-weight:800}
.tx-cta:hover{background:var(--vert-vif)!important}
.tx-burger{display:none;background:none;border:0;color:#fff;font-size:23px;cursor:pointer}
@media(max-width:880px){
  .tx-links{position:absolute;top:64px;left:0;right:0;background:var(--noir);flex-direction:column;padding:14px 22px;gap:4px;display:none;border-bottom:1px solid rgba(255,255,255,.1)}
  .tx-links.open{display:flex}
  .tx-links a{padding:11px 0;width:100%;border-bottom:1px solid rgba(255,255,255,.06)}
  .tx-burger{display:block}
}
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--vert);color:#06281a;padding:13px 22px;border-radius:11px;font-weight:800;font-size:15px;cursor:pointer;border:0;transition:.15s}
.btn-primary:hover{background:var(--vert-vif)}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);color:#fff;padding:13px 22px;border-radius:11px;font-weight:700;font-size:15px;cursor:pointer;border:1px solid rgba(255,255,255,.16)}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.sec{padding:64px 0}
.sec.alt{background:var(--beige)}
.sec-head{text-align:center;max-width:640px;margin:0 auto 40px}
.sec-eyebrow{font-size:12px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;color:var(--vert-fonce)}
.sec h2{font-size:clamp(26px,3.6vw,36px);font-weight:850;letter-spacing:-.6px;margin:8px 0 10px}
.sec .lead{color:var(--gris);font-size:16px}
.tx-foot{background:var(--noir);color:#9fb0a4;padding:48px 0 28px;border-top:1px solid rgba(255,255,255,.08)}
.tx-foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;margin-bottom:30px;max-width:1140px;margin-left:auto;margin-right:auto;padding:0 22px}
@media(max-width:780px){.tx-foot-grid{grid-template-columns:1fr;gap:22px}}
.tx-foot h5{color:#fff;font-size:13px;font-weight:800;letter-spacing:.4px;margin-bottom:12px;text-transform:uppercase}
.tx-foot a{display:block;font-size:13px;padding:4px 0;color:#9fb0a4}
.tx-foot a:hover{color:var(--vert-vif)}
.tx-foot-vert{display:flex;align-items:center;gap:8px}
.tx-foot-vert .dot{width:8px;height:8px;border-radius:50%}
.tx-foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;text-align:center;font-size:12px;color:#6f8076;max-width:1140px;margin:0 auto;padding-left:22px;padding-right:22px}
.tx-qc{display:inline-flex;align-items:center;gap:6px;color:#c8d2cb;font-size:12px;margin-top:6px}
.tx-fab{position:fixed;bottom:20px;right:20px;z-index:80;background:var(--vert);color:#06281a;border:0;width:58px;height:58px;border-radius:50%;font-size:26px;cursor:pointer;box-shadow:0 12px 30px -8px rgba(22,163,74,.6);transition:.18s}
.tx-fab:hover{transform:scale(1.06)}
.tx-assist{position:fixed;bottom:88px;right:20px;z-index:81;width:min(380px,calc(100vw - 40px));background:#fff;border-radius:16px;box-shadow:0 28px 70px -20px rgba(0,0,0,.5);overflow:hidden;display:none;flex-direction:column;max-height:min(560px,calc(100vh - 120px))}
.tx-assist.open{display:flex}
.txa-head{background:var(--noir-2);color:#fff;padding:13px 15px;display:flex;align-items:center;gap:10px}
.txa-head .av{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--vert),var(--vert-vif));display:grid;place-items:center;font-size:17px}
.txa-head b{font-size:13.5px;display:flex;align-items:center;gap:6px}
.txa-head .v{font-size:9px;font-weight:800;background:var(--vert);color:#06281a;padding:1px 6px;border-radius:5px}
.txa-head span{font-size:11px;color:#9fb0a4}
.txa-head .x{margin-left:auto;background:none;border:0;color:#9fb0a4;font-size:20px;cursor:pointer}
.txa-body{padding:14px;overflow-y:auto;flex:1;background:linear-gradient(180deg,#fff,#fbfdfb);min-height:240px}
.txa-m{margin-bottom:11px;display:flex;gap:8px;align-items:flex-start}
.txa-m .ic{width:25px;height:25px;border-radius:7px;flex:0 0 25px;display:grid;place-items:center;font-size:13px}
.txa-m.bot .ic{background:var(--vert-pale)}
.txa-m.user{flex-direction:row-reverse}
.txa-m.user .ic{background:#e7ece9}
.txa-m .bb{padding:9px 12px;border-radius:12px;font-size:12.5px;max-width:80%;line-height:1.45}
.txa-m.bot .bb{background:var(--beige);border:1px solid var(--bordure);border-top-left-radius:3px}
.txa-m.user .bb{background:var(--vert);color:#fff;border-top-right-radius:3px}
.txa-m .legal{margin-top:7px;font-size:10px;color:#7a4a10;background:#FEF3E2;border:1px solid #f0d9b8;border-radius:7px;padding:6px 8px;line-height:1.4}
.txa-m .speak{display:inline-flex;align-items:center;gap:4px;margin-top:7px;font-size:10.5px;font-weight:700;color:var(--vert-fonce);background:#fff;border:1px solid var(--bordure);padding:4px 8px;border-radius:7px;cursor:pointer}
.txa-quick{display:flex;gap:6px;flex-wrap:wrap;padding:0 14px 10px;background:#fff}
.txa-quick button{font-size:11px;border:1px solid var(--bordure);background:var(--beige);color:var(--gris);padding:6px 10px;border-radius:999px;cursor:pointer}
.txa-quick button:hover{border-color:var(--vert);color:var(--vert-fonce)}
.txa-foot{padding:11px;border-top:1px solid var(--bordure);display:flex;gap:7px;background:#fff}
.txa-foot input{flex:1;border:1px solid var(--bordure);border-radius:9px;padding:9px 11px;font-size:12.5px;outline:none}
.txa-foot input:focus{border-color:var(--vert)}
.txa-foot .snd{background:var(--vert);border:0;color:#fff;width:38px;border-radius:9px;font-size:15px;cursor:pointer}
.txa-typing{display:flex;gap:4px;padding:3px}
.txa-typing i{width:6px;height:6px;border-radius:50%;background:var(--gris-clair);animation:txtp 1.2s infinite}
.txa-typing i:nth-child(2){animation-delay:.2s}.txa-typing i:nth-child(3){animation-delay:.4s}
@keyframes txtp{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-4px);opacity:1}}
.tx-toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(100px);background:var(--noir);color:#fff;padding:13px 20px;border-radius:11px;font-size:13.5px;font-weight:600;z-index:120;opacity:0;transition:.3s}
.tx-toast.show{transform:translateX(-50%) translateY(0);opacity:1}

/* ---------- Mascotte casque (Variante C) ---------- */
.tx-fab{
  background:var(--vert-pale);
  border:3px solid var(--vert);
  width:62px;height:62px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px -6px rgba(0,0,0,.4);
}
.tx-fab:hover{transform:scale(1.07);background:#fff}
.tx-fab svg{width:36px;height:36px}
.tx-bubble{
  position:fixed;bottom:34px;right:92px;z-index:80;
  background:var(--vert);color:#06281a;
  font-size:13px;font-weight:800;
  padding:10px 15px;border-radius:13px;border-bottom-right-radius:3px;
  box-shadow:0 8px 22px -8px rgba(0,0,0,.4);
  cursor:pointer;animation:txbub 2.4s ease-in-out infinite;
}
.tx-bubble::after{
  content:"";position:absolute;right:-7px;bottom:8px;
  border-left:8px solid var(--vert);
  border-top:6px solid transparent;border-bottom:6px solid transparent;
}
@keyframes txbub{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
.txa-head .av{background:var(--vert-pale)!important;border:2px solid var(--vert);display:grid;place-items:center}
.txa-head .av svg{width:20px;height:20px}
.txa-m .ic svg{width:20px;height:20px}
@media(max-width:560px){.tx-bubble{display:none!important}}