:root{
  --bg:#3A3C48;
  --fg:#FAFAFC;
  --muted:#C8CAD8;
  --card:#606270;
  --border:#606270;
  --brand:#14192E;
  --highlight:#7B61FF;
  --accent:#FF8A3D;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--fg);
  font-size:16px;
  line-height:1.6;
}
.wrap{max-width:980px;margin:0 auto;padding:20px}
header{
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:600;
}
nav a{
  color:var(--fg);
  margin-left:12px;
  text-decoration:none;
  font-size:15px;
  opacity:.9;
}
nav a:hover{
  text-decoration:underline;
  text-decoration-color:var(--highlight);
}
.hero{padding:56px 0 40px;text-align:center}
.hero h1{
  font-size:32px;
  margin:0 0 8px;
  font-weight:600;
}
.sub{
  color:var(--muted);
  max-width:700px;
  margin:6px auto 14px;
}
.powered{
  display:inline-flex;
  gap:10px;
  align-items:center;
  color:var(--muted);
  font-size:14px;
  margin-bottom:10px;
}
.powered img{height:90px;width:auto}
.actions{margin-top:12px}
.btn{
  display:inline-block;
  padding:12px 20px;
  border-radius:10px;
  font-weight:600;
  cursor:pointer;
}
.btn-primary{
  background:var(--accent);
  color:#111;
  margin-right:8px;
  border:none;
}
.btn-secondary{
  border:2px solid var(--brand);
  color:var(--fg);
  background:transparent;
}
.note{
  color:var(--muted);
  margin-top:14px;
  font-size:14px;
}
.divider{
  height:4px;
  background:var(--highlight);
  opacity:1;
  margin:28px 0;
  border-radius:3px;
  box-shadow:0 0 14px rgba(123,97,255,.35);
}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;
  padding:18px;
  margin:18px 0;
}
.card h3{margin:0 0 6px;font-weight:600}
.iconbar{
  width:6px;
  border-radius:3px;
  background:var(--highlight);
  height:80px;
  margin-right:12px;
  box-shadow:0 0 16px rgba(123,97,255,.35);
}
.row{
  display:flex;
  gap:12px;
  align-items:flex-start;
}
input[type=email]{
  padding:12px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#fff;
  color:#111;
  width:70%;
  max-width:280px;
}
.consent{
  margin-top:10px;
  font-size:13px;
  color:var(--muted);
}
footer{
  padding:28px 0;
  text-align:center;
  color:var(--muted);
  font-size:14px;
}
footer a{color:var(--fg)}
.logos{
  display:flex;
  gap:12px;
  align-items:center;
  justify-content:center;
  margin-top:6px;
  opacity:.95;
}
.logos img{height:72px;width:auto}
#faq .card{
  font-size:15px;
  line-height:1.55;
  margin:10px 0;
  padding:14px;
}
#faq h2{
  font-size:20px;
  font-weight:600;
  text-align:center;
}
#error{color:#ffb4a6;margin-top:10px;display:none}
#ok{color:#adffb4;margin-top:10px;display:none}
/* ========================= */
/* ====== RAG CHAT ========= */
/* ========================= */
.rag-chat{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;
  padding:16px;
  margin:28px 0;
}
.rag-chat h3{
  margin-top:0;
  font-weight:600;
}
.rag-box{
  max-height:400px;
  overflow-y:auto;
  background:#2f313c;
  padding:12px;
  border-radius:10px;
  border:1px solid var(--border);
  margin-bottom:12px;
}
.rag-msg{
  margin:6px 0;
  font-size:14px;
  line-height:1.5;
}
.rag-role{
  font-weight:600;
  color:var(--highlight);
}
.rag-input-row{
  display:flex;
  gap:8px;
}
.rag-input-row input{
  flex:1;
  padding:10px;
  border-radius:8px;
  border:1px solid var(--border);
  background:#fff;
  color:#111;
}
.rag-input-row button{
  padding:10px 16px;
  border-radius:8px;
  border:none;
  background:var(--accent);
  font-weight:600;
  cursor:pointer;
}
.rag-input-row button:disabled{
  opacity:.6;
  cursor:not-allowed;
}
/* ========================= */
/* ====== RAG FIXED ======== */
/* ========================= */
.rag-chat-fixed{
  position:fixed;
  bottom:15px;
  right:15px;
  width:280px;
  max-width:85vw;
  z-index:1000;
  box-shadow:0 4px 20px rgba(0,0,0,.4);
  border-radius:12px;
}
.rag-chat-fixed .rag-chat{
  margin:0;
  padding:12px;
  border-radius:12px;
}
.rag-chat-fixed .rag-chat h3{
  font-size:14px;
  margin-bottom:8px;
}
.rag-chat-fixed .rag-box{
  max-height:350px;
  font-size:13px;
  padding:8px;
  margin-bottom:8px;
}
.rag-chat-fixed .rag-msg{
  font-size:12px;
  margin:4px 0;
  line-height:1.4;
}
.rag-chat-fixed .rag-input-row input{
  padding:8px;
  font-size:13px;
}
.rag-chat-fixed .rag-input-row button{
  padding:8px 12px;
  font-size:13px;
}
/* ========================= */
/* == RAG TOGGLE MOBILE ==== */
/* ========================= */
.rag-toggle{
  position:fixed;
  bottom:15px;
  right:15px;
  width:60px;
  height:60px;
  border-radius:50%;
  background:var(--accent);
  border:none;
  font-size:28px;
  cursor:pointer;
  box-shadow:0 4px 20px rgba(0,0,0,.4);
  z-index:1001;
  display:none;
}
.rag-toggle.visible{
  display:block !important;
}
.rag-toggle.hidden{
  display:none !important;
}
/* Header con bottone chiudi */
.rag-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:8px;
}
.rag-header h3{
  margin:0;
  font-size:14px;
}
.rag-close{
  background:transparent;
  border:none;
  color:var(--muted);
  font-size:20px;
  cursor:pointer;
  padding:0;
  width:24px;
  height:24px;
  line-height:1;
}
.rag-close:hover{
  color:var(--fg);
}
/* Chat window visibility */
.rag-chat-fixed #ragChatWindow{
  display:block;
}
.rag-chat-fixed #ragChatWindow.hidden{
  display:none;
}
/* Mobile responsive */
@media (max-width: 768px){
  .rag-chat-fixed{
    width:calc(100vw - 30px);
    max-width:none;
    left:15px;
    right:15px;
  }
  
  .rag-toggle{
    display:block !important;
  }
  
  .rag-toggle.hidden{
    display:none !important;
  }
  
  .rag-chat-fixed #ragChatWindow{
    display:none !important;
  }
  
  .rag-chat-fixed #ragChatWindow.visible{
    display:block !important;
  }
}