:root{--bg:#f7f8fa;--card:#fff;--ink:#17202a;--muted:#5b6673;--line:#e3e7ec;--brand:#0f6e5c;--brand-ink:#fff;--accent:#e8f4f1;
--warn:#9a5b00;--warn-bg:#fff6e6;--bad:#b42318;--bad-bg:#fdecea;--ok:#126b3a;--ok-bg:#e9f7ef;--radius:12px}
@media (prefers-color-scheme:dark){:root{--bg:#0f1418;--card:#171e24;--ink:#e8edf2;--muted:#9aa6b2;--line:#2a333c;--brand:#3fbf9f;
--brand-ink:#06231c;--accent:#14302a;--warn:#f5b84a;--warn-bg:#2e2410;--bad:#ff8a80;--bad-bg:#3a1714;--ok:#6fd49b;--ok-bg:#13301f}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif}
a{color:var(--brand)}img{max-width:100%}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px}
header.top{background:var(--card);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;gap:16px;min-height:60px;flex-wrap:wrap}
.logo{font-weight:700;text-decoration:none;color:var(--ink)}.logo span{color:var(--brand)}
nav.main{display:flex;gap:14px;flex-wrap:wrap;margin-left:auto;align-items:center}
nav.main a{text-decoration:none;color:var(--muted)}nav.main a.on{color:var(--ink);font-weight:600}
main{padding:24px 0 48px}
h1{font-size:1.8rem;line-height:1.2;margin:.2em 0 .5em}h2{font-size:1.3rem;margin:1.4em 0 .5em}h3{font-size:1.05rem;margin:1em 0 .3em}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin:0 0 16px}
.grid{display:grid;gap:16px}.g2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.g3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.kpi b{display:block;font-size:1.7rem}.kpi span{color:var(--muted);font-size:.9rem}
.muted{color:var(--muted)}.small{font-size:.88rem}
.btn,button{display:inline-block;border:1px solid var(--brand);background:var(--brand);color:var(--brand-ink);padding:9px 16px;border-radius:9px;
font:inherit;font-weight:600;cursor:pointer;text-decoration:none;line-height:1.3}
.btn.ghost,button.ghost{background:transparent;color:var(--brand)}
.btn.danger,button.danger{background:var(--bad);border-color:var(--bad);color:#fff}
button:disabled{opacity:.5;cursor:not-allowed}
form.inline{display:inline}
label{display:block;font-weight:600;margin:12px 0 4px}label.chk{font-weight:400;display:flex;gap:8px;align-items:flex-start}
input[type=text],input[type=email],input[type=tel],input[type=number],input[type=password],input[type=url],select,textarea{
width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font:inherit}
textarea{min-height:90px}
.hint{color:var(--muted);font-size:.88rem;margin:3px 0 0}
.flash{padding:10px 14px;border-radius:9px;margin:0 0 16px}.flash.ok{background:var(--ok-bg);color:var(--ok)}.flash.err{background:var(--bad-bg);color:var(--bad)}
.pill{display:inline-block;padding:2px 10px;border-radius:99px;font-size:.82rem;font-weight:600;background:var(--accent);color:var(--brand)}
.pill.active,.pill.trial{background:var(--ok-bg);color:var(--ok)}.pill.paused,.pill.grace,.pill.onboarding{background:var(--warn-bg);color:var(--warn)}
.pill.stopped,.pill.expired,.pill.cancelled,.pill.deleted{background:var(--bad-bg);color:var(--bad)}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:.85rem;color:var(--muted);font-weight:600}.tablewrap{overflow-x:auto}
.bar{height:8px;background:var(--line);border-radius:9px;overflow:hidden}.bar i{display:block;height:100%;background:var(--brand)}
.chart{display:flex;gap:4px;align-items:flex-end;height:120px}.chart div{flex:1;background:var(--brand);border-radius:4px 4px 0 0;min-height:2px;opacity:.85}
footer.site{border-top:1px solid var(--line);background:var(--card);padding:24px 0;color:var(--muted);font-size:.9rem}
footer.site .grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}footer.site a{color:var(--muted)}
/* sign-up / wizard: form left, benefits right */
.split{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:24px;align-items:start}
.benefits{position:sticky;top:16px;background:var(--accent);border-radius:var(--radius);padding:22px;min-height:180px}
.benefits .slide{display:none;font-size:1.15rem;font-weight:600}.benefits .slide.on{display:block;animation:fade .8s ease}
.benefits .sub{font-weight:400;font-size:.95rem;color:var(--muted);margin-top:6px}
@keyframes fade{from{opacity:0}to{opacity:1}}
@media (prefers-reduced-motion:reduce){.benefits .slide{display:block;animation:none;margin-bottom:10px}}
@media (max-width:760px){.split{grid-template-columns:1fr}.benefits{order:-1;position:static;min-height:0;padding:12px 16px}
.benefits .slide{font-size:1rem}}
.steps{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 16px;padding:0;list-style:none}
.steps a{display:block;padding:5px 10px;border-radius:99px;border:1px solid var(--line);text-decoration:none;color:var(--muted);font-size:.85rem}
.steps a.done{background:var(--ok-bg);color:var(--ok);border-color:transparent}.steps a.on{border-color:var(--brand);color:var(--ink);font-weight:600}
/* demo chat */
.phone{border:1px solid var(--line);border-radius:16px;background:var(--bg);height:420px;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px}
.msg{max-width:85%;padding:8px 11px;border-radius:12px;white-space:pre-wrap;word-wrap:break-word;font-size:.95rem}
.msg.me{align-self:flex-end;background:var(--brand);color:var(--brand-ink)}.msg.bot{align-self:flex-start;background:var(--card);border:1px solid var(--line)}
.msg.owner{align-self:flex-start;background:var(--warn-bg);color:var(--ink)}
.msg .btns{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}.msg .btns button{padding:4px 10px;font-size:.85rem}
.row{display:flex;gap:8px}.row>*{flex:1}.row>button{flex:0 0 auto}
.hero{padding:30px 0 10px}.hero p.lead{font-size:1.15rem;color:var(--muted);max-width:720px}
.price b{font-size:1.6rem}.price ul{padding-left:18px;margin:8px 0}
.danger-zone{border-color:var(--bad)}
.flash.acting{background:var(--accent);color:var(--ink);display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.flash.acting button{padding:4px 10px}
.pill.demo{background:var(--accent);color:var(--brand)}
.up{color:var(--ok)}.down{color:var(--bad)}
details.card>summary{cursor:pointer;font-weight:600}
@media print{header.top,footer.site,.noprint{display:none}body{background:#fff;color:#000}.card{border:0}}