:root{--navy:#092b2b;--teal:#0b6f66;--mint:#d9f4e8;--paper:#f7f8f4;--line:#ced8d3;--muted:#61716c}*{box-sizing:border-box}body{margin:0;background:linear-gradient(135deg,#f8faf5,#edf4ef);color:var(--navy);font-family:Inter,system-ui,sans-serif}header{height:66px;padding:0 max(22px,calc((100% - 1180px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#ffffffb8;backdrop-filter:blur(12px)}header a{font-weight:800;color:var(--navy);text-decoration:none;font-size:.82rem}.badge{font:800 .67rem ui-monospace,monospace;letter-spacing:.1em;background:var(--mint);padding:7px 10px;border-radius:99px}main{width:min(1180px,calc(100% - 34px));margin:55px auto}.intro{max-width:900px}.eyebrow{font:800 .72rem ui-monospace,monospace;letter-spacing:.13em;color:var(--teal)}h1{font-size:clamp(2.6rem,6vw,5.4rem);line-height:.98;letter-spacing:-.06em;margin:18px 0}.intro>p:not(.eyebrow){color:var(--muted);font-size:1.1rem;line-height:1.65;max-width:750px}.architecture{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:28px 0 38px}.architecture span{border:1px solid var(--line);background:white;padding:9px 12px;border-radius:5px;font:700 .72rem ui-monospace,monospace}.architecture b{color:var(--teal)}.chat-shell{background:white;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 24px 70px #20473d18}.chat-head{height:76px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.chat-head>div{display:grid;gap:4px}.chat-head small{color:var(--muted)}.chat-head button{background:none;border:0;color:var(--teal);font-weight:800;cursor:pointer}.messages{height:440px;overflow-y:auto;padding:26px;display:flex;flex-direction:column;gap:20px}.message{display:flex;gap:11px;max-width:78%}.message.user{align-self:flex-end;flex-direction:row-reverse}.message>div:last-child{display:grid;gap:5px}.message p{margin:0;padding:13px 15px;background:#eef4f1;border-radius:4px 14px 14px 14px;line-height:1.5}.message.user p{background:var(--navy);color:white;border-radius:14px 4px 14px 14px}.message time{font-size:.68rem;color:#85928d}.message.user time{text-align:right}.avatar{width:30px;height:30px;border-radius:50%;background:var(--teal);color:white;display:grid;place-items:center;font-weight:900;flex:none}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:92%}.card{border:1px solid var(--line);padding:15px;background:#fbfcf9;border-radius:7px;cursor:pointer;text-align:left;color:var(--navy)}.card:hover{border-color:var(--teal);transform:translateY(-1px)}.card strong,.card span{display:block}.card span{font-size:.76rem;color:var(--muted);margin-top:5px}.card .match{color:var(--teal);font-weight:900}.slots{display:flex;gap:8px;flex-wrap:wrap}.slots button{border:1px solid var(--teal);background:white;padding:10px 12px;border-radius:99px;color:var(--teal);font-weight:800;cursor:pointer}form{border-top:1px solid var(--line);padding:17px;display:flex;gap:10px}input{flex:1;border:1px solid var(--line);padding:15px;border-radius:6px;font:inherit;outline:none}input:focus{border-color:var(--teal)}form button{background:var(--navy);color:white;border:0;padding:0 22px;border-radius:6px;font-weight:900;cursor:pointer}.notice{text-align:center;color:var(--muted);font-size:.76rem}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:700px){header .badge{display:none}.cards{grid-template-columns:1fr}.messages{height:480px;padding:17px}.message{max-width:92%}main{margin-top:35px}form button{padding:0 15px}}