:root{--bg:#0B1020;--panel:#121A33;--line:#26315A;--line2:#3A4878;--text:#E6EAF5;--muted:#B4BED6;--accent:#22D3EE;--ink:#04101A}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,sans-serif;line-height:1.5}h1,h2,h3{font-family:Space Grotesk,sans-serif;margin:0}a{color:inherit;text-decoration:none}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.wrap{max-width:1100px;margin:0 auto}.muted{color:#9aa6c3}.small{font-size:13px}.grow{flex:1}.tag{font-family:JetBrains Mono,monospace;font-size:13px;letter-spacing:.12em;color:var(--accent)}.row{display:flex;flex-wrap:wrap;gap:14px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 24px;border-radius:8px;border:1px solid transparent;font:500 16px Inter,sans-serif;cursor:pointer}.btn-primary{background:var(--accent);color:var(--ink)}.btn-ghost{background:transparent;border-color:var(--line2);color:var(--text)}.btn:disabled{opacity:.5;cursor:not-allowed}.nav{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;padding:20px 48px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font:700 20px Space Grotesk,sans-serif}.mark{width:16px;height:16px;background:var(--accent);border-radius:3px}.nav-links{display:flex;flex-wrap:wrap;gap:28px;align-items:center;font-size:15px;color:#9aa6c3}.nav-links a:hover{color:var(--text)}.hero{padding:96px 48px 88px;background-image:linear-gradient(#18213F 1px,transparent 1px),linear-gradient(90deg,#18213F 1px,transparent 1px);background-size:48px 48px}.hero h1{font-size:clamp(36px,6vw,60px);line-height:1.08;margin:20px 0;max-width:760px}.hero p{font-size:19px;color:var(--muted);max-width:620px;margin:0 0 36px}.section{padding:72px 48px}.section h2{font-size:34px;margin-bottom:32px}.cards{display:flex;flex-wrap:wrap;gap:20px}.card{flex:1 1 230px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px}.card h3{font-size:20px;margin:14px 0 8px}.card p{margin:0;color:var(--muted);font-size:15px}.strip{display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:36px}.strip h2{font-size:26px;margin:0 0 6px}.strip p{margin:0;color:var(--muted)}.launcher{position:fixed;right:32px;bottom:32px;width:60px;height:60px;border-radius:50%;border:0;background:var(--accent);color:var(--ink);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:20}.chat{position:fixed;right:24px;bottom:24px;width:390px;height:min(720px,calc(100vh - 48px));display:flex;flex-direction:column;background:var(--bg);border:1px solid var(--line2);border-radius:16px;overflow:hidden;z-index:30}.chat-head{display:flex;align-items:center;gap:12px;padding:16px;border-bottom:1px solid var(--line)}.avatar{width:36px;height:36px;border-radius:50%;background:var(--accent);color:var(--ink);font:500 13px JetBrains Mono,monospace;display:flex;align-items:center;justify-content:center}.icon-btn{width:44px;height:44px;border:0;background:transparent;color:var(--muted);font-size:22px;cursor:pointer}.notice{margin:0;padding:8px 16px;font-size:12px;color:#9aa6c3;background:#0f1730}.chat-body{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;font-size:15px}.bubble{max-width:290px;padding:12px 14px;border-radius:14px}.bubble.bot{align-self:flex-start;background:var(--panel);border:1px solid var(--line);border-bottom-left-radius:4px}.bubble.user{align-self:flex-end;background:var(--accent);color:var(--ink);border-bottom-right-radius:4px}.summary{display:flex;flex-direction:column;gap:6px;font-size:14px;color:#d5dbea;background:var(--panel);border:1px solid var(--accent);border-radius:12px;padding:16px}.summary .tag{font-size:12px;margin-bottom:4px}.summary .row{flex-wrap:nowrap;gap:10px;margin-top:10px}.summary .btn{padding:0 16px;font-size:14px}.error{font-size:14px;color:#fca5a5}.composer{display:flex;gap:10px;padding:12px 16px 16px;border-top:1px solid var(--line)}.composer input{flex:1;min-height:44px;background:var(--panel);border:1px solid var(--line2);border-radius:8px;padding:0 14px;color:var(--text);font:15px Inter,sans-serif}.send{width:44px;padding:0}@media (max-width:560px){.nav,.hero,.section{padding-left:20px;padding-right:20px}.chat{top:0;right:0;bottom:0;left:0;width:100%;height:100%;border-radius:0;border:0}.launcher{right:20px;bottom:20px}}