*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#ffffff; --bg2:#f6f8fb; --surface:#ffffff; --border:#e6ebf2; --text:#0f172a;
  --muted:#5b6b7f; --accent:#2563eb; --accent2:#1d4ed8; --ok:#16a34a; --ring:rgba(37,99,235,.12);
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0b1220; --bg2:#0f172a; --surface:#111a2e; --border:#22314d; --text:#e8eef7;
  --muted:#93a4bd; --accent:#3b82f6; --accent2:#60a5fa; --ok:#4ade80; --ring:rgba(59,130,246,.18);
}}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.btn{display:inline-block;background:var(--accent);color:#fff;border:0;border-radius:10px;
  padding:13px 22px;font-size:15px;font-weight:600;cursor:pointer;transition:.15s}
.btn:hover{background:var(--accent2)}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn.ghost:hover{background:var(--bg2)}
.btn.lg{padding:15px 28px;font-size:16px}
/* header */
header.nav{position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(10px);
  background:color-mix(in srgb,var(--bg) 82%,transparent);border-bottom:1px solid var(--border)}
.nav .row{display:flex;align-items:center;gap:22px;height:62px}
.logo{font-weight:800;font-size:19px;letter-spacing:-.3px}
.logo span{color:var(--accent)}
.nav nav{display:flex;gap:20px;margin-left:8px;flex:1}
.nav nav a{color:var(--muted);font-size:14.5px;font-weight:500}
.nav nav a:hover{color:var(--text)}
.nav .actions{display:flex;gap:10px;align-items:center}
.nav .actions a.login{font-size:14.5px;font-weight:600;color:var(--muted)}
.lang{display:inline-flex;gap:4px;align-items:center;font-size:13px;font-weight:600;color:var(--muted)}
.cc{font:inherit;font-size:13px;font-weight:600;color:var(--muted);background:var(--surface);
    border:1px solid var(--border);border-radius:8px;padding:4px 6px;cursor:pointer;max-width:190px}
.cc:focus{outline:2px solid var(--ring)}
.lang a{padding:2px 6px;border-radius:6px}
.lang a.on{color:var(--accent);background:var(--ring)}
.burger{display:none}
@media(max-width:820px){.nav nav{display:none}.nav .actions a.login{display:none}}
/* hero */
.hero{padding:72px 0 40px;background:
  radial-gradient(1200px 400px at 50% -80px,var(--ring),transparent)}
.hero h1{font-size:46px;line-height:1.08;letter-spacing:-1px;font-weight:800;max-width:760px}
.hero p.sub{font-size:19px;color:var(--muted);margin:18px 0 26px;max-width:620px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.hero .note{color:var(--muted);font-size:13px;margin-top:14px}
.mock{margin-top:44px;border:1px solid var(--border);border-radius:16px;background:var(--surface);
  box-shadow:0 20px 60px -30px rgba(2,12,40,.4);overflow:hidden}
@media(max-width:640px){.hero h1{font-size:33px}.hero p.sub{font-size:17px}}
/* channels */
.channels{padding:26px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg2)}
.channels .lbl{text-align:center;color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px}
.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.chip{display:inline-flex;align-items:center;gap:7px;background:var(--surface);border:1px solid var(--border);
  border-radius:999px;padding:7px 14px;font-size:14px;font-weight:600}
/* sections */
section.blk{padding:66px 0}
.eyebrow{color:var(--accent);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.08em}
h2.h{font-size:34px;letter-spacing:-.5px;font-weight:800;margin:8px 0 10px}
.lead{color:var(--muted);font-size:17px;max-width:640px}
.grid{display:grid;gap:16px;margin-top:34px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.g3,.g4{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:22px}
.card .ic{font-size:26px}
.card h3{font-size:18px;margin:12px 0 6px;font-weight:700}
.card p{color:var(--muted);font-size:14.5px}
.step{display:flex;gap:16px;align-items:flex-start}
.step .n{flex:none;width:38px;height:38px;border-radius:50%;background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700}
/* pricing */
.plans{display:grid;gap:16px;margin-top:34px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.plan{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:26px;display:flex;flex-direction:column}
.plan.hot{border-color:var(--accent);box-shadow:0 0 0 3px var(--ring)}
.plan .badge{align-self:flex-start;background:var(--accent);color:#fff;font-size:11px;font-weight:700;
  border-radius:999px;padding:3px 10px;margin-bottom:10px}
.plan .pn{font-size:19px;font-weight:800}
.plan .pr{font-size:38px;font-weight:800;letter-spacing:-1px;margin:10px 0 2px}
.plan .pr small{font-size:15px;font-weight:500;color:var(--muted)}
.plan ul{list-style:none;margin:16px 0 20px;display:flex;flex-direction:column;gap:9px}
.plan li{font-size:14.5px;display:flex;gap:9px;align-items:flex-start}
.plan li b{color:var(--text)}
.plan li:before{content:"✓";color:var(--ok);font-weight:800}
.plan .btn{margin-top:auto;text-align:center}
/* faq */
.faq{max-width:800px;margin-top:30px}
.faq details{border-bottom:1px solid var(--border);padding:16px 0}
.faq summary{font-weight:600;font-size:16.5px;cursor:pointer;list-style:none;display:flex;justify-content:space-between}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--accent);font-size:22px;line-height:1}
.faq details[open] summary:after{content:"–"}
.faq p{color:var(--muted);margin-top:10px;font-size:15px}
/* cta band */
.band{margin:20px 0 0;background:linear-gradient(120deg,var(--accent),var(--accent2));border-radius:22px;
  padding:52px 30px;text-align:center;color:#fff}
.band h2{font-size:32px;font-weight:800;letter-spacing:-.5px}
.band p{opacity:.92;margin:10px 0 22px;font-size:17px}
.band .btn{background:#fff;color:var(--accent2)}
.band .btn:hover{background:#eef2ff}
/* prose (legal + docs) */
.prose{max-width:840px;padding:40px 0}
.prose h1{font-size:32px;margin-bottom:6px}
.prose h2{font-size:22px;margin:32px 0 8px;padding-top:8px}
.prose h3{font-size:17px;margin:20px 0 6px}
.prose p,.prose li{color:var(--muted);font-size:15px;margin:8px 0}
.prose ul{padding-left:22px}
.prose pre{background:var(--bg2);border:1px solid var(--border);border-radius:10px;padding:14px 16px;overflow-x:auto;font-size:13px;margin:12px 0;line-height:1.5}
.prose code{font-family:ui-monospace,Menlo,Consolas,monospace}
.prose pre code{color:var(--text)}
.prose :not(pre)>code{background:var(--bg2);border:1px solid var(--border);border-radius:5px;padding:1px 5px;font-size:13px}
.prose table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14px;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--border);padding:8px 10px;text-align:left;vertical-align:top}
.prose th{background:var(--bg2)}
.mono{font-family:ui-monospace,monospace;font-size:13px;font-weight:700}
.muted{color:var(--muted)}
/* footer */
footer.ft{border-top:1px solid var(--border);background:var(--bg2);padding:48px 0 30px;margin-top:20px}
.ft .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:24px}
@media(max-width:760px){.ft .cols{grid-template-columns:1fr 1fr}}
.ft h4{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:12px}
.ft a{display:block;color:var(--text);font-size:14.5px;margin:8px 0;opacity:.85}
.ft a:hover{opacity:1}
.ft .bottom{margin-top:34px;padding-top:18px;border-top:1px solid var(--border);color:var(--muted);font-size:13px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}