:root{--bg:#0F1726;--surface:#161F31;--fg:#E8ECF4;--muted:#8B97AD;--accent:#F2B544;--line:#273149;--radius:12px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Sora,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--fg);line-height:1.6}
code,pre,.code{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace}
a{color:var(--fg);text-decoration:none}
a:hover{color:var(--accent)}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.btn{display:inline-block;padding:10px 18px;border-radius:999px;font-weight:600;font-size:14px;border:1px solid transparent;cursor:pointer}
.btn-accent{background:var(--accent);color:#1a1205;border-color:var(--accent)}
.btn-accent:hover{filter:brightness(1.07);color:#1a1205}
.btn-ghost{background:transparent;color:var(--fg);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.site-head{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(15,23,38,.85);backdrop-filter:blur(8px);z-index:40}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px}
.mark{width:18px;height:18px;border-radius:5px;background:linear-gradient(135deg,var(--accent),#d68c1b);display:inline-block;box-shadow:0 0 0 3px rgba(242,181,68,.15)}
.links{display:flex;align-items:center;gap:20px;font-size:14px;flex-wrap:wrap}
.links a{color:var(--muted)}
.links a:hover{color:var(--fg)}
main.wrap{padding-top:48px;padding-bottom:64px;min-height:60vh}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:24px 0 56px}
.eyebrow{color:var(--accent);font-weight:600;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.hero h1{font-size:44px;line-height:1.1;margin:14px 0 16px}
.lede{font-size:18px;color:var(--muted);max-width:46ch}
.cta-row{display:flex;gap:12px;margin:24px 0 28px;flex-wrap:wrap}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:14px 24px;margin:0}
.facts dt{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.05em}
.facts dd{margin:2px 0 0;font-size:15px}
.hero-chat .chat-demo{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.35)}
.chat-demo-head{display:flex;align-items:center;gap:8px;padding:14px 16px;border-bottom:1px solid var(--line);font-weight:600}
.chat-demo-head .dot,.dot{width:9px;height:9px;border-radius:50%;background:#43d17a;display:inline-block}
.chat-demo-body{padding:16px;display:flex;flex-direction:column;gap:10px}
.bubble{padding:10px 13px;border-radius:12px;font-size:14px;max-width:85%}
.bubble.bot{background:#1e293f;align-self:flex-start;border-bottom-left-radius:3px}
.bubble.user{background:var(--accent);color:#1a1205;align-self:flex-end;border-bottom-right-radius:3px}
.chat-demo-foot{padding:12px 16px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.quickstart{margin:40px 0}
.quickstart h2{font-size:24px;margin-bottom:6px}
.code{background:#0b1220;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;overflow-x:auto;font-size:13px;color:#cfe3ff}
pre.code{white-space:pre}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:32px 0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card h3{margin:0 0 8px;font-size:17px}
.card .big{font-size:30px;font-weight:700;margin:6px 0 0}
.page-head{margin:12px 0 28px}
.page-head h1{font-size:34px;margin:0 0 8px}
.pricing .plan{display:flex;flex-direction:column}
.plan .price{font-size:30px;font-weight:700;margin:6px 0 14px}
.plan .price span{font-size:14px;color:var(--muted);font-weight:400}
.plan ul{list-style:none;padding:0;margin:0 0 18px;color:var(--muted);font-size:14px}
.plan li{padding:5px 0;border-bottom:1px solid var(--line)}
.plan.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.status-pill{display:inline-block;padding:6px 14px;border-radius:999px;font-weight:600;font-size:14px}
.status-pill.ok{background:rgba(67,209,122,.12);color:#43d17a}
.status-list{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.status-row{display:flex;align-items:center;gap:12px;background:var(--surface);padding:14px 18px}
.status-dot{width:9px;height:9px;border-radius:50%}
.status-dot.ok{background:#43d17a}
.status-name{flex:1}
.status-state{color:#43d17a;font-size:14px}
.status-history{margin-top:28px}
.uptime-bar{display:flex;gap:2px;margin:12px 0}
.uptime-bar span{flex:1;height:30px;border-radius:2px;background:#43d17a;opacity:.85}
.changelog{display:flex;flex-direction:column;gap:20px}
.log{border-left:2px solid var(--line);padding-left:18px}
.log-date{color:var(--muted);font-size:13px;display:flex;align-items:center;gap:10px}
.tag{font-size:11px;text-transform:uppercase;letter-spacing:.05em;padding:2px 8px;border-radius:999px;background:#1e293f;color:var(--muted)}
.tag.added{background:rgba(67,209,122,.14);color:#43d17a}
.tag.fixed{background:rgba(242,181,68,.14);color:var(--accent)}
.tag.changed{background:rgba(120,160,255,.14);color:#78a0ff}
.auth-card{max-width:420px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px}
.auth-card.admin{border-color:#6b2222}
.auth-card h1{font-size:24px;margin:0 0 6px}
.form{display:flex;flex-direction:column;gap:14px;margin-top:16px}
.form label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted)}
.form input,.form textarea{background:#0b1220;border:1px solid var(--line);border-radius:8px;padding:10px 12px;color:var(--fg);font-size:15px;font-family:inherit}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--accent)}
.form-error{background:rgba(214,54,56,.12);border:1px solid rgba(214,54,56,.4);color:#ff8a8a;padding:10px 14px;border-radius:8px;font-size:14px}
.form-ok{background:rgba(67,209,122,.12);border:1px solid rgba(67,209,122,.4);color:#8ff0b5;padding:10px 14px;border-radius:8px;font-size:14px;margin-bottom:14px}
.auth-alt{margin-top:16px;text-align:center;font-size:14px}
.prose{max-width:720px}
.prose h2{font-size:20px;margin:28px 0 8px}
.prose p{color:var(--muted)}
.docs{max-width:760px}
.docs h1{font-size:30px}
.docs .meta{color:var(--muted);font-size:13px}
.docs p{color:#c3cde0}
.notfound{text-align:center;padding:60px 0}
.notfound h1{font-size:72px;margin:0;color:var(--accent)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px;padding:40px 0 24px}
.site-foot{border-top:1px solid var(--line);margin-top:40px}
.foot-grid h4{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:0 0 10px}
.foot-grid a{display:block;color:var(--muted);font-size:14px;padding:3px 0}
.foot-grid a:hover{color:var(--fg)}
.foot-legal{padding:16px 0 32px;font-size:13px;border-top:1px solid var(--line)}
.admin-nav{display:flex;gap:12px;margin-top:20px}
/* chat widget */
#kst-widget-btn{position:fixed;right:22px;bottom:22px;width:56px;height:56px;border-radius:50%;background:var(--accent);border:none;cursor:pointer;box-shadow:0 10px 30px rgba(0,0,0,.4);z-index:60;display:flex;align-items:center;justify-content:center}
#kst-widget-btn svg{width:26px;height:26px}
#kst-panel{position:fixed;right:22px;bottom:90px;width:340px;max-width:calc(100vw - 32px);height:460px;max-height:calc(100vh - 120px);background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:0 24px 60px rgba(0,0,0,.5);z-index:60;display:none;flex-direction:column;overflow:hidden}
#kst-panel.open{display:flex}
.kst-head{padding:14px 16px;border-bottom:1px solid var(--line);font-weight:600;display:flex;align-items:center;gap:8px}
.kst-msgs{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px}
.kst-msg{padding:9px 12px;border-radius:12px;font-size:14px;max-width:88%;white-space:pre-wrap;word-wrap:break-word}
.kst-msg.bot{background:#1e293f;align-self:flex-start;border-bottom-left-radius:3px}
.kst-msg.user{background:var(--accent);color:#1a1205;align-self:flex-end;border-bottom-right-radius:3px}
.kst-form{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line)}
.kst-form input{flex:1;background:#0b1220;border:1px solid var(--line);border-radius:999px;padding:9px 14px;color:var(--fg);font-family:inherit;font-size:14px}
.kst-form input:focus{outline:none;border-color:var(--accent)}
.kst-form button{background:var(--accent);color:#1a1205;border:none;border-radius:999px;padding:0 16px;font-weight:600;cursor:pointer}
@media(max-width:860px){.hero{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr 1fr}.facts{grid-template-columns:1fr}}