:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:#18211b;background:#f3f5ef;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 8% 10%,#dcead9 0,transparent 35%),radial-gradient(circle at 90% 85%,#f3dfbf 0,transparent 32%),#f5f5ef}.shell{min-height:100vh;display:grid;grid-template-columns:.9fr 1.1fr;gap:5vw;align-items:center;max-width:1180px;margin:auto;padding:48px 28px}.intro{max-width:510px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px}.mark,.avatar{display:grid;place-items:center;background:#1f5b43;color:white;font-weight:900}.mark{width:38px;height:38px;border-radius:11px}.eyebrow{margin:70px 0 14px;color:#47725e;font-weight:800;letter-spacing:.15em;font-size:12px}.intro h1{font-family:Georgia,serif;font-size:clamp(40px,5vw,68px);line-height:1.02;letter-spacing:-.04em;margin:0;color:#173c2d}.sub{font-size:18px;line-height:1.65;color:#54635a;margin:28px 0}.trust{display:flex;gap:10px;flex-wrap:wrap}.trust span{padding:8px 12px;border:1px solid #cad8ce;border-radius:999px;background:#ffffffa8;color:#315442;font-size:13px}.chat{height:min(760px,88vh);min-height:620px;background:#fff;border:1px solid #dfe6df;border-radius:26px;box-shadow:0 26px 80px #173c2d1c;display:flex;flex-direction:column;overflow:hidden}.chat header{display:flex;justify-content:space-between;align-items:center;padding:21px 24px;border-bottom:1px solid #edf0ed}.chat header strong{display:block}.chat header small{display:flex;align-items:center;gap:6px;color:#63806f;margin-top:3px}.chat header i{width:7px;height:7px;border-radius:50%;background:#36a269}.chat header button{border:0;background:#eef5f0;color:#315442;padding:9px 12px;border-radius:10px;font-weight:700;cursor:pointer}.messages{flex:1;overflow:auto;padding:24px;display:flex;flex-direction:column;gap:18px}.message{display:flex;gap:10px;align-items:flex-end;max-width:88%}.message.user{align-self:flex-end}.avatar{width:30px;height:30px;border-radius:9px;flex:none}.bubble{padding:13px 15px;border-radius:17px;line-height:1.5;white-space:pre-wrap}.bot .bubble{background:#f0f5f1;border-bottom-left-radius:5px}.user .bubble{background:#1f5b43;color:#fff;border-bottom-right-radius:5px}.sources{font-size:11px;color:#6a7b70;margin-top:7px}.suggestions{display:flex;gap:8px;padding:0 22px 14px;overflow:auto}.suggestions button{white-space:nowrap;border:1px solid #dbe5dd;background:#fff;color:#315442;padding:9px 11px;border-radius:999px;cursor:pointer}form{display:flex;gap:9px;margin:0 20px;padding:10px;background:#f5f7f4;border:1px solid #dce4dd;border-radius:16px}textarea{flex:1;resize:none;border:0;outline:0;background:transparent;padding:8px;font:inherit;max-height:120px}#send{width:42px;height:42px;border:0;border-radius:12px;background:#1f5b43;color:#fff;font-size:20px;cursor:pointer}.fine{text-align:center;color:#89958d;font-size:11px;margin:10px 0 14px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:850px){.shell{grid-template-columns:1fr;padding:24px 14px}.intro{display:none}.chat{height:calc(100vh - 48px);min-height:520px;border-radius:20px}}