:root{
  --bg:#ffffff; --bg2:#f7f8fb; --bg3:#eef1f7; --ink:#0f1729; --ink2:#3d4759; --mut:#6b7689;
  --line:#e3e8f0; --acc:#2f6bff; --acc2:#12b5a6; --warn:#e8a33d; --ok:#18a463; --bad:#e04b4b;
  --code:#0d1220; --radius:12px; --maxw:1120px;
  --shadow:0 1px 2px rgba(15,23,41,.06),0 8px 28px rgba(15,23,41,.07);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--acc);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace}

/* header */
header.site{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.88);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:32px;height:64px}
.logo{display:flex;align-items:center;gap:9px;font-weight:700;font-size:18px;color:var(--ink);letter-spacing:-.02em}
.logo:hover{text-decoration:none}
.logo .mark{width:28px;height:28px;border-radius:7px;background:linear-gradient(135deg,var(--acc),var(--acc2));
  display:grid;place-items:center}
.logo .mark svg{width:16px;height:16px}
.nav nav{display:flex;gap:24px;margin-left:8px}
.nav nav a{color:var(--ink2);font-size:14.5px;font-weight:500}
.nav nav a:hover{color:var(--ink);text-decoration:none}
.nav .right{margin-left:auto;display:flex;gap:12px;align-items:center}
.burger{display:none;margin-left:auto;background:none;border:0;cursor:pointer;color:var(--ink);padding:8px}
@media(max-width:880px){
  .nav nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;
    padding:14px 24px;border-bottom:1px solid var(--line);gap:14px}
  .nav nav.open{display:flex}
  .nav .right{display:none}
  .burger{display:block}
}
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:9px;font-size:14.5px;
  font-weight:600;border:1px solid transparent;cursor:pointer;transition:.15s}
.btn:hover{text-decoration:none}
.btn.p{background:var(--acc);color:#fff}
.btn.p:hover{background:#1d57e8}
.btn.g{border-color:var(--line);color:var(--ink);background:#fff}
.btn.g:hover{border-color:var(--acc);color:var(--acc)}
.btn.lg{padding:12px 22px;font-size:15.5px}

/* hero */
.hero{padding:74px 0 60px;background:linear-gradient(180deg,#f7f9ff,#fff)}
.hero .tag{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--acc);
  background:#eaf0ff;border:1px solid #d5e0ff;padding:5px 12px;border-radius:999px}
.hero h1{font-size:clamp(32px,5vw,50px);line-height:1.1;letter-spacing:-.03em;margin:18px 0 14px;font-weight:800}
.hero p{font-size:clamp(16px,2vw,19px);color:var(--ink2);max-width:620px;margin:0 0 26px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.hero .note{margin-top:14px;font-size:13.5px;color:var(--mut)}

/* code sample */
.codebox{background:var(--code);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-top:36px}
.codebox .bar{display:flex;align-items:center;gap:7px;padding:11px 15px;border-bottom:1px solid #1e2842;background:#111a2e}
.codebox .bar i{width:11px;height:11px;border-radius:50%;display:block}
.codebox .bar span{margin-left:9px;color:#6e7c99;font-size:12.5px;font-family:ui-monospace,monospace}
.codebox pre{margin:0;padding:18px 20px;overflow-x:auto;color:#cfd8ec;font-size:13.5px;line-height:1.7}
.codebox .k{color:#7aa2ff}.codebox .s{color:#7fe0b0}.codebox .c{color:#5d6b86}.codebox .n{color:#e8b573}

/* sections */
section{padding:66px 0}
.sec-head{max-width:640px;margin-bottom:40px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head .kick{font-size:13px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--acc)}
.sec-head h2{font-size:clamp(25px,3.4vw,34px);letter-spacing:-.025em;margin:10px 0 10px;font-weight:800}
.sec-head p{color:var(--ink2);margin:0;font-size:16.5px}
.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px}
.card .ic{width:40px;height:40px;border-radius:10px;background:#eaf0ff;color:var(--acc);
  display:grid;place-items:center;margin-bottom:14px}
.card h3{margin:0 0 8px;font-size:17px;letter-spacing:-.01em}
.card p{margin:0;color:var(--ink2);font-size:14.5px}

/* pipeline */
.pipe{display:flex;align-items:stretch;gap:0;flex-wrap:wrap;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;overflow:hidden}
.pipe .step{flex:1 1 190px;padding:24px 22px;border-right:1px solid var(--line);position:relative}
.pipe .step:last-child{border-right:0}
.pipe .step b{display:block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--acc);margin-bottom:8px}
.pipe .step h4{margin:0 0 6px;font-size:15.5px}
.pipe .step p{margin:0;color:var(--mut);font-size:13.5px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:26px;text-align:center}
.stats b{display:block;font-size:34px;font-weight:800;letter-spacing:-.02em}
.stats span{color:var(--mut);font-size:14px}

/* table */
table.t{width:100%;border-collapse:collapse;font-size:14.5px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
table.t th,table.t td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
table.t th{background:var(--bg3);font-size:12.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--ink2)}
table.t tr:last-child td{border-bottom:0}
.scroll{overflow-x:auto}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:24px;align-items:start}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;position:relative}
.plan.hot{border-color:var(--acc);box-shadow:var(--shadow)}
.plan .badge{position:absolute;top:-11px;right:22px;background:var(--acc);color:#fff;font-size:11px;
  font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:4px 11px;border-radius:999px}
.plan h3{margin:0;font-size:17px}
.plan .price{font-size:36px;font-weight:800;letter-spacing:-.02em;margin:12px 0 4px}
.plan .price small{font-size:15px;font-weight:500;color:var(--mut)}
.plan ul{list-style:none;padding:0;margin:18px 0 22px}
.plan li{padding:6px 0 6px 24px;position:relative;color:var(--ink2);font-size:14.5px}
.plan li::before{content:"";position:absolute;left:0;top:13px;width:13px;height:7px;
  border-left:2px solid var(--ok);border-bottom:2px solid var(--ok);transform:rotate(-45deg)}
.plan .btn{width:100%;justify-content:center}

/* status */
.stat-row{display:flex;align-items:center;justify-content:space-between;padding:15px 18px;
  border:1px solid var(--line);border-radius:10px;background:#fff;margin-bottom:10px;gap:14px;flex-wrap:wrap}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block;margin-right:9px}
.dot.ok{background:var(--ok)}.dot.warn{background:var(--warn)}.dot.bad{background:var(--bad)}
.pill{font-size:12.5px;color:var(--mut)}
.bars{display:flex;gap:2px;align-items:flex-end;height:26px}
.bars i{width:5px;border-radius:2px;background:var(--ok);display:block}
.banner{background:#eafaf1;border:1px solid #bfe8d2;color:#136b42;border-radius:10px;padding:14px 18px;
  font-weight:600;margin-bottom:24px;display:flex;align-items:center;gap:10px}

/* docs */
.docwrap{display:grid;grid-template-columns:230px 1fr;gap:44px;padding:40px 0 70px}
@media(max-width:900px){.docwrap{grid-template-columns:1fr;gap:24px}}
.side{position:sticky;top:88px;align-self:start;font-size:14.5px}
.side h5{margin:0 0 10px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut)}
.side a{display:block;padding:6px 0;color:var(--ink2)}
.side a:hover{color:var(--acc);text-decoration:none}
.doc h1{font-size:33px;letter-spacing:-.025em;margin:0 0 12px}
.doc h2{font-size:21px;margin:38px 0 12px;letter-spacing:-.015em;scroll-margin-top:84px}
.doc h3{font-size:16.5px;margin:26px 0 8px}
.doc p,.doc li{color:var(--ink2)}
.doc pre{background:var(--code);color:#cfd8ec;padding:16px 18px;border-radius:10px;overflow-x:auto;
  font-size:13.5px;line-height:1.7}
.doc :not(pre)>code{background:var(--bg3);padding:2px 6px;border-radius:5px;font-size:13.5px;color:#1c3d8f}
.method{display:inline-block;font-size:11.5px;font-weight:700;padding:3px 8px;border-radius:5px;
  margin-right:8px;letter-spacing:.04em}
.method.get{background:#e6f4ff;color:#1667c7}
.method.post{background:#e8f7ee;color:#14804a}
.method.del{background:#fdeaea;color:#c23434}

/* footer */
footer.site{background:var(--bg2);border-top:1px solid var(--line);padding:50px 0 40px;margin-top:20px}
.fgrid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:32px}
@media(max-width:780px){.fgrid{grid-template-columns:1fr 1fr}}
.fgrid h5{margin:0 0 12px;font-size:13px;letter-spacing:.05em;color:var(--ink)}
.fgrid a{display:block;padding:4px 0;color:var(--mut);font-size:14px}
.fgrid a:hover{color:var(--ink);text-decoration:none}
.fbot{border-top:1px solid var(--line);margin-top:32px;padding-top:22px;display:flex;
  justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--mut);font-size:13.5px}
.legal{max-width:780px;margin:0 auto;padding:40px 24px 70px}
.legal h1{font-size:32px;letter-spacing:-.025em}
.legal h2{font-size:19px;margin-top:32px}
.legal p,.legal li{color:var(--ink2)}


/* ============ v2 additions: depth components ============ */
.nav nav .dd{position:relative}
.nav nav .dd>a::after{content:"▾";font-size:10px;margin-left:5px;color:var(--mut2);vertical-align:middle}
.nav nav .dd .menu{position:absolute;top:calc(100% + 10px);left:-14px;min-width:236px;background:#fff;
  border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;opacity:0;
  visibility:hidden;transform:translateY(-6px);transition:.16s;z-index:70}
.nav nav .dd:hover .menu{opacity:1;visibility:visible;transform:translateY(0)}
.nav nav .menu a{display:block;padding:9px 12px;border-radius:8px;color:var(--ink2);font-size:14px}
.nav nav .menu a:hover{background:var(--bg2);color:var(--ink);text-decoration:none}
.nav nav .menu a b{display:block;color:var(--ink);font-weight:600;font-size:13.5px}
.nav nav .menu a span{font-size:12.5px;color:var(--mut)}
@media(max-width:880px){.nav nav .dd .menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 0 12px;min-width:0}.nav nav .dd>a::after{display:none}}

.logos{display:flex;flex-wrap:wrap;gap:16px 40px;align-items:center;justify-content:center}
.logos .lo{display:flex;align-items:center;gap:8px;color:var(--mut);font-weight:700;font-size:16px;letter-spacing:-.01em;opacity:.62}
.logos .lo svg{width:20px;height:20px;opacity:.7}
.trust-note{text-align:center;color:var(--mut2);font-size:13px;margin:0 0 28px}

.tabs{display:flex;gap:6px;flex-wrap:wrap}
.tabs button{border:1px solid var(--line);background:#fff;color:var(--ink2);padding:8px 15px;border-radius:8px 8px 0 0;
  font:600 13.5px/1 inherit;cursor:pointer;border-bottom:0;position:relative;top:1px}
.tabs button[aria-selected="true"]{background:var(--code);color:#fff;border-color:var(--code)}
.tabpanes .codebox{margin-top:0;border-top-left-radius:0}
.tabpane{display:none}.tabpane.on{display:block}

.sdkgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:14px}
.sdk{display:flex;align-items:center;gap:11px;padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:#fff;transition:.15s}
.sdk:hover{border-color:var(--acc);transform:translateY(-2px);text-decoration:none}
.sdk .g{width:34px;height:34px;border-radius:8px;display:grid;place-items:center;font-weight:800;font-size:12px;color:#fff;flex:none}
.sdk b{font-size:14.5px;color:var(--ink);display:block}
.sdk span{font-size:12px;color:var(--mut)}

.calc{display:grid;grid-template-columns:1.1fr .9fr;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
@media(max-width:760px){.calc{grid-template-columns:1fr}}
.calc .in{padding:28px 26px;border-right:1px solid var(--line)}
@media(max-width:760px){.calc .in{border-right:0;border-bottom:1px solid var(--line)}}
.calc .field{margin-bottom:22px}
.calc .field label{display:flex;justify-content:space-between;font-size:14px;font-weight:600;margin-bottom:8px}
.calc .field label span{color:var(--acc);font-variant-numeric:tabular-nums}
.calc input[type=range]{width:100%;accent-color:var(--acc)}
.calc .field .rng{font-size:12px;color:var(--mut2);display:flex;justify-content:space-between;margin-top:4px}
.calc .out{padding:28px 26px;background:var(--bg2);display:flex;flex-direction:column;justify-content:center}
.calc .out .lab{font-size:13px;color:var(--mut);text-transform:uppercase;letter-spacing:.06em;font-weight:700}
.calc .out .big{font-size:44px;font-weight:800;letter-spacing:-.03em;margin:6px 0 2px}
.calc .out .big small{font-size:16px;color:var(--mut2);font-weight:600}
.calc .out .brk{margin-top:18px;border-top:1px solid var(--line);padding-top:16px}
.calc .out .brk div{display:flex;justify-content:space-between;font-size:13.5px;color:var(--ink2);padding:4px 0}
.calc .out .brk div span{font-variant-numeric:tabular-nums;color:var(--ink)}

.cl{max-width:768px}
.cl .entry{display:grid;grid-template-columns:132px 1fr;gap:24px;padding:26px 0;border-top:1px solid var(--line)}
@media(max-width:640px){.cl .entry{grid-template-columns:1fr;gap:8px}}
.cl .entry .date{color:var(--mut);font-size:13.5px;font-variant-numeric:tabular-nums;padding-top:2px}
.cl .entry .ver{display:inline-block;font-size:11.5px;font-weight:700;color:var(--acc);background:#eaf0ff;border:1px solid #d5e0ff;padding:2px 8px;border-radius:6px;margin-top:8px}
.cl .entry h3{margin:0 0 8px;font-size:17px}
.cl .entry ul{margin:0;padding-left:2px;list-style:none;color:var(--ink2);font-size:14.5px}
.cl .entry li{margin:7px 0}
.tagk{display:inline-block;font-size:10.5px;font-weight:700;padding:1px 7px;border-radius:5px;margin-right:8px;vertical-align:middle;text-transform:uppercase;letter-spacing:.03em}
.tagk.add{background:#e8f7ee;color:#14804a}.tagk.fix{background:#fff2e0;color:#a5610d}.tagk.imp{background:#e6f4ff;color:#1667c7}

.bloglist{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.bpost{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;transition:.16s}
.bpost:hover{transform:translateY(-3px);border-color:var(--acc);text-decoration:none}
.bpost .cover{height:150px;background:linear-gradient(135deg,#2f6bff,#12b5a6)}
.bpost .cover.v2{background:linear-gradient(135deg,#7a6cff,#d16ad8)}
.bpost .cover.v3{background:linear-gradient(135deg,#12b5a6,#37d39b)}
.bpost .cover.v4{background:linear-gradient(135deg,#e8a33d,#e04b4b)}
.bpost .cover.v5{background:linear-gradient(135deg,#3d4759,#0f1729)}
.bpost .cover.v6{background:linear-gradient(135deg,#2f6bff,#7a6cff)}
.bpost .bd{padding:18px 20px 22px;flex:1;display:flex;flex-direction:column}
.bpost .cat{font-size:12px;font-weight:700;color:var(--acc);text-transform:uppercase;letter-spacing:.05em}
.bpost h3{margin:8px 0 8px;font-size:17px;color:var(--ink);letter-spacing:-.01em}
.bpost p{margin:0;color:var(--ink2);font-size:14px;flex:1}
.bpost .meta{margin-top:14px;font-size:13px;color:var(--mut2)}
.article{max-width:720px;margin:0 auto;padding:40px 24px 70px}
.article .cat{font-size:13px;font-weight:700;color:var(--acc);text-transform:uppercase;letter-spacing:.06em}
.article h1{font-size:34px;letter-spacing:-.03em;margin:12px 0 12px;line-height:1.15}
.article .meta{color:var(--mut);font-size:14px;margin-bottom:30px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.article h2{font-size:22px;margin:34px 0 12px;letter-spacing:-.02em}
.article p,.article li{color:var(--ink2);font-size:16px;line-height:1.75}
.article pre{background:var(--code);color:#cfd8ec;padding:16px 18px;border-radius:10px;overflow-x:auto;font-size:13.5px;line-height:1.7}
.article :not(pre)>code{background:var(--bg3);padding:2px 6px;border-radius:5px;font-size:14px;color:#1c3d8f}
.article blockquote{margin:22px 0;padding:4px 20px;border-left:3px solid var(--acc);color:var(--ink2);font-style:italic}

.cases{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.case{border:1px solid var(--line);border-radius:12px;padding:26px 24px;background:#fff}
.case .who{font-size:12.5px;color:var(--mut);text-transform:uppercase;letter-spacing:.05em;font-weight:700}
.case h3{margin:8px 0 12px;font-size:18px}
.case p{color:var(--ink2);font-size:14.5px;margin:0 0 18px}
.case .kpis{display:flex;gap:22px;border-top:1px solid var(--line);padding-top:16px}
.case .kpis b{display:block;font-size:24px;font-weight:800;letter-spacing:-.02em}
.case .kpis span{font-size:12px;color:var(--mut)}
.quote{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:26px}
.quote p{font-size:16px;color:var(--ink);margin:0 0 14px;line-height:1.6}
.quote .by{display:flex;align-items:center;gap:12px}
.quote .av{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#2f6bff,#12b5a6);flex:none}
.quote .by b{font-size:14px}.quote .by span{font-size:13px;color:var(--mut)}