:root{
  --bg:#ffffff; --bg-alt:#f7f8fa; --fg:#16181d; --muted:#5c6370;
  --line:#e4e7ec; --brand:#2f5bea; --brand-dark:#1e42b8; --code:#f2f4f7;
  --radius:10px; --maxw:1080px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--fg);
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
img{max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* header */
header.site{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}
header.site .wrap{display:flex;align-items:center;gap:32px;height:64px}
.logo{display:flex;align-items:center;gap:9px;font-weight:650;font-size:17px;color:var(--fg)}
.logo:hover{text-decoration:none}
.logo svg{display:block}
nav.main{display:flex;gap:26px;margin-left:auto;align-items:center}
nav.main a{color:var(--muted);font-size:15px}
nav.main a:hover{color:var(--fg);text-decoration:none}
.btn{display:inline-block;padding:9px 18px;border-radius:8px;font-size:15px;font-weight:550;border:1px solid transparent}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);text-decoration:none}
.btn-ghost{border-color:var(--line);color:var(--fg)}
.btn-ghost:hover{background:var(--bg-alt);text-decoration:none}
.menu-toggle{display:none}

/* hero */
.hero{padding:88px 0 72px;text-align:center}
.hero h1{font-size:46px;line-height:1.15;letter-spacing:-.022em;margin:0 0 20px;font-weight:680}
.hero p.lead{font-size:19px;color:var(--muted);max-width:640px;margin:0 auto 32px}
.hero .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--brand);margin-bottom:16px}

/* code sample */
.code{background:#14161c;color:#dfe3ea;border-radius:var(--radius);padding:20px 22px;text-align:left;
  font:13.5px/1.7 "SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;overflow-x:auto;margin:44px auto 0;max-width:720px}
.code .c{color:#7d8799}.code .s{color:#9ece6a}.code .k{color:#7aa2f7}

/* sections */
section{padding:72px 0;border-top:1px solid var(--line)}
section.alt{background:var(--bg-alt)}
h2{font-size:30px;letter-spacing:-.015em;margin:0 0 12px;font-weight:660}
.section-lead{color:var(--muted);margin:0 0 40px;max-width:600px}
.grid{display:grid;gap:28px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card h3{margin:0 0 8px;font-size:17px;font-weight:620}
.card p{margin:0;color:var(--muted);font-size:15px}
.icon{width:34px;height:34px;border-radius:8px;background:#eaefff;display:flex;align-items:center;justify-content:center;margin-bottom:14px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stats .n{font-size:32px;font-weight:680;letter-spacing:-.02em}
.stats .l{color:var(--muted);font-size:14px}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:#fff}
.plan.featured{border-color:var(--brand);box-shadow:0 6px 28px rgba(47,91,234,.10)}
.plan .name{font-weight:650;margin-bottom:6px}
.plan .price{font-size:34px;font-weight:680;letter-spacing:-.02em}
.plan .price span{font-size:15px;font-weight:400;color:var(--muted)}
.plan ul{list-style:none;padding:0;margin:20px 0 24px}
.plan li{padding:7px 0 7px 24px;position:relative;font-size:15px;color:var(--muted)}
.plan li:before{content:"";position:absolute;left:0;top:14px;width:12px;height:7px;border-left:2px solid var(--brand);
  border-bottom:2px solid var(--brand);transform:rotate(-45deg)}
.plan .btn{width:100%;text-align:center}
.badge{display:inline-block;background:#eaefff;color:var(--brand-dark);font-size:12px;font-weight:600;
  padding:3px 9px;border-radius:99px;margin-left:8px;vertical-align:middle}

/* tables & docs */
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
th{font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
code.inl{background:var(--code);padding:2px 6px;border-radius:5px;font-size:13.5px;
  font-family:"SFMono-Regular",Consolas,Menlo,monospace}
.doc{max-width:760px}
.doc h3{margin:36px 0 10px;font-size:19px}
.doc p,.doc li{color:var(--muted)}
.prose{max-width:720px}
.prose p{color:var(--muted)}

/* faq */
details{border-bottom:1px solid var(--line);padding:16px 0}
details summary{cursor:pointer;font-weight:560;list-style:none}
details summary::-webkit-details-marker{display:none}
details summary:before{content:"+";color:var(--brand);font-weight:700;margin-right:10px}
details[open] summary:before{content:"\2212"}
details p{color:var(--muted);margin:10px 0 0 22px}

/* form */
.form{max-width:520px}
.field{margin-bottom:16px}
label{display:block;font-size:14px;font-weight:550;margin-bottom:6px}
input,textarea,select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;
  font:inherit;font-size:15px;background:#fff;color:var(--fg)}
input:focus,textarea:focus{outline:2px solid rgba(47,91,234,.35);border-color:var(--brand)}
textarea{min-height:130px;resize:vertical}

/* footer */
footer.site{border-top:1px solid var(--line);padding:48px 0 40px;background:var(--bg-alt);font-size:14.5px}
footer.site .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px}
footer.site h4{font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 12px;font-weight:600}
footer.site ul{list-style:none;padding:0;margin:0}
footer.site li{margin-bottom:8px}
footer.site a{color:var(--muted)}
footer.site a:hover{color:var(--fg)}
.legal{border-top:1px solid var(--line);padding-top:24px;color:var(--muted);display:flex;
  justify-content:space-between;gap:16px;flex-wrap:wrap}

@media (max-width:860px){
  .grid-3,.plans,.stats{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  footer.site .cols{grid-template-columns:1fr 1fr}
  .hero h1{font-size:34px}
  nav.main{display:none}
  .stats{gap:32px}
}