:root{--green:#075e54;--light:#dcf8c6;--ink:#17201d;--muted:#5c6864;--line:#dce4e1;--paper:#fff;--chat:#efeae2}
*{box-sizing:border-box}
body{margin:0;background:#f4f7f6;color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.45}
button,input,select{font:inherit}
.page{width:min(100% - 1.5rem,680px);margin:auto;padding:1.25rem 0 2.5rem}
.back{color:var(--green);font-weight:650;text-decoration:none}
.intro{margin-bottom:1.25rem}.eyebrow{margin:1.2rem 0 .25rem;color:var(--green);font-size:.85rem;font-weight:750;text-transform:uppercase;letter-spacing:.04em}
h1{margin:0;font-size:clamp(1.8rem,8vw,2.6rem);line-height:1.15}.intro>p:last-child{margin:.65rem 0 0;color:var(--muted)}
.demo{overflow:hidden;border:1px solid var(--line);border-radius:16px;background:var(--paper);box-shadow:0 12px 35px #153d3220}
.business-bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem 1rem;border-bottom:1px solid var(--line);font-weight:650}
select{min-width:9.5rem;padding:.55rem 2rem .55rem .65rem;border:1px solid #9caaa5;border-radius:8px;background:#fff;color:var(--ink)}
.chat-header{display:flex;align-items:center;gap:.7rem;padding:.75rem 1rem;background:var(--green);color:#fff}
.chat-header h2,.chat-header p{margin:0}.chat-header h2{font-size:1rem}.chat-header p{font-size:.78rem;opacity:.85}
.avatar{display:grid;place-items:center;width:2.35rem;height:2.35rem;border-radius:50%;background:#d9eee8;color:var(--green);font-weight:800}
.messages{height:380px;overflow-y:auto;padding:1rem;background-color:var(--chat);background-image:radial-gradient(#55766d12 1px,transparent 1px);background-size:13px 13px}
.message{width:fit-content;max-width:88%;margin:0 0 .65rem;padding:.62rem .75rem;border-radius:10px;background:#fff;box-shadow:0 1px 1px #0002;white-space:pre-line}
.message.user{margin-left:auto;background:var(--light)}
.message p{margin:0}.message .sender{display:block;margin-bottom:.18rem;color:var(--green);font-size:.72rem;font-weight:750}
.suggestions{display:flex;gap:.45rem;overflow-x:auto;padding:.7rem;border-top:1px solid var(--line);background:#fff}
.suggestions button{flex:0 0 auto;padding:.45rem .65rem;border:1px solid #79a399;border-radius:99px;background:#fff;color:var(--green);cursor:pointer}
.composer{display:flex;gap:.5rem;padding:.7rem;background:#f7f9f8;border-top:1px solid var(--line)}
.composer input{min-width:0;flex:1;padding:.7rem;border:1px solid #9caaa5;border-radius:9px}
.composer button,.cta{border:0;border-radius:9px;background:var(--green);color:#fff;font-weight:700;cursor:pointer}
.composer button{padding:.65rem .8rem}.cta{display:block;margin:1.25rem 0 .7rem;padding:.9rem 1rem;text-align:center;text-decoration:none}
.privacy{margin:0;text-align:center;color:var(--muted);font-size:.85rem}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid #ffbf47;outline-offset:2px}
@media (min-width:520px){.page{padding-top:2rem}.messages{height:430px}.composer button{padding-inline:1.2rem}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}