/* Datakoot v2 — shared design system (blue-dark premium, serif display) */
:root{
  --bg:#0b1220; --bg2:#0f1728; --band:#0d1524;
  --card:#131d30; --card2:#1a2740;
  --line:#233149; --line2:#324563;
  --text:#eef3fb; --text2:#a8b7cd; --text3:#7285a1;
  --brand:#4f8cff; --brand2:#3b74e6; --cyan:#26d3ee; --violet:#a394f5; --amber:#ecba62; --coral:#f2917a; --green:#34d399;
  --wash:rgba(79,140,255,.13); --wash-cy:rgba(38,211,238,.12); --wash-vi:rgba(163,148,245,.13); --wash-am:rgba(236,186,98,.12); --wash-co:rgba(242,145,122,.13); --wash-gr:rgba(52,211,153,.12);
  --grad:linear-gradient(100deg,#4f8cff,#26d3ee);
  --radius:14px; --radius-lg:22px; --maxw:1180px;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,"Cascadia Code",Consolas,monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:18px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.bg-lines{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.bg-lines i{position:absolute;inset:-60%;background-repeat:repeat;will-change:transform}
.bg-lines .l1{background-image:repeating-linear-gradient(90deg,transparent 0 79px,rgba(201,211,226,.10) 79px 80px);animation:drift1 26s linear infinite}
.bg-lines .l2{background-image:repeating-linear-gradient(90deg,transparent 0 129px,rgba(201,211,226,.055) 129px 130px);animation:drift2 44s linear infinite}
@keyframes drift1{from{transform:rotate(20deg) translateX(0)}to{transform:rotate(20deg) translateX(80px)}}
@keyframes drift2{from{transform:rotate(20deg) translateX(0)}to{transform:rotate(20deg) translateX(-130px)}}
@media (prefers-reduced-motion: reduce){.bg-lines i{animation:none}}
a{color:inherit;text-decoration:none}
p{margin:0}
.serif{font-family:var(--serif);font-weight:500;letter-spacing:-.01em;line-height:1.05}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:-999px;top:8px;z-index:200;background:var(--brand);color:#04122e;padding:10px 16px;border-radius:10px;font-weight:600}
.skip:focus{left:16px}
:focus-visible{outline:2.5px solid var(--cyan);outline-offset:3px;border-radius:6px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

header.nav{position:sticky;top:0;z-index:100;transition:background .3s var(--ease),border-color .3s,backdrop-filter .3s}
header.nav.scrolled{background:color-mix(in srgb,var(--bg) 78%,transparent);-webkit-backdrop-filter:saturate(160%) blur(14px);backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:11px;font-weight:640;font-size:20px}
.brand .mark{transition:transform .55s var(--ease)}
.brand:hover .mark{transform:rotate(60deg)}
nav.links{display:flex;align-items:center;gap:2px}
nav.links a{padding:9px 13px;border-radius:10px;font-size:16px;color:var(--text2);transition:.2s}
nav.links a:hover,nav.links a.here{color:var(--text);background:var(--card)}
.navcta{display:flex;align-items:center;gap:8px}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:560;font-size:15px;border-radius:11px;padding:11px 18px;cursor:pointer;border:1px solid transparent;transition:transform .18s var(--ease),box-shadow .25s,background .2s,border-color .2s;white-space:nowrap}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:var(--grad);color:#04122e;font-weight:640}
.btn-primary:hover{box-shadow:0 10px 30px rgba(79,140,255,.32);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line2)}
.btn-ghost:hover{border-color:var(--brand);background:var(--card)}
.navlink-signin{font-size:15px;color:var(--text2);padding:9px 6px}
.navlink-signin:hover{color:var(--text)}
.nav-toggle{display:none;background:none;border:1px solid var(--line2);border-radius:10px;width:42px;height:42px;align-items:center;justify-content:center;cursor:pointer;color:var(--text)}
@media (max-width:920px){
  nav.links,.navlink-signin{display:none}
  .nav-toggle{display:inline-flex}
  nav.mob{position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;gap:2px;background:var(--bg2);border-bottom:1px solid var(--line);padding:14px 24px 22px;transform:translateY(-130%);transition:transform .4s var(--ease);display:flex;z-index:99}
  nav.mob.open{transform:translateY(0)}
  nav.mob a{padding:13px;font-size:17px;color:var(--text2)}
  nav.mob .btn{margin-top:8px;justify-content:center}
}
@media (min-width:921px){nav.mob{display:none}}

.hero{position:relative;padding:clamp(46px,7vw,88px) 0 clamp(28px,4vw,44px);overflow:hidden}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(90px);z-index:0;pointer-events:none}
.hero::before{width:680px;height:680px;background:radial-gradient(circle,rgba(79,140,255,.28),transparent 70%);top:-260px;right:-160px}
.hero::after{width:560px;height:560px;background:radial-gradient(circle,rgba(38,211,238,.18),transparent 70%);top:20px;left:-220px}
.hero .wrap{position:relative;z-index:1}
.pill{display:inline-flex;flex-wrap:wrap;align-items:center;gap:9px;max-width:100%;font-size:13.5px;font-weight:560;color:var(--text);background:var(--wash);border:1px solid rgba(79,140,255,.3);padding:7px 14px;border-radius:100px}
.pill .tag{font-size:11px;font-weight:700;letter-spacing:.04em;color:#04122e;background:var(--brand);padding:2px 8px;border-radius:100px}
.pill .arrow{opacity:.7}
h1.title{font-size:clamp(44px,7.2vw,88px);margin:22px 0 0;max-width:16ch}
.lede{font-size:clamp(18px,2.2vw,23px);color:var(--text2);margin:24px 0 0;max-width:58ch;line-height:1.6}
.lede b{color:var(--text);font-weight:600}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.cta-row .btn{padding:14px 22px;font-size:16px}

.term{margin-top:32px;background:#0a101d;border:1px solid var(--line2);border-radius:var(--radius);max-width:680px;box-shadow:0 34px 90px rgba(0,0,0,.5);overflow:hidden}
.term .tbar{display:flex;align-items:center;gap:7px;padding:11px 14px;border-bottom:1px solid var(--line)}
.term .tbar .d{width:11px;height:11px;border-radius:50%}
.term .tbar .lbl{margin-left:8px;font-size:12.5px;color:var(--text3);font-family:var(--mono)}
.term .body{display:flex;align-items:flex-start;gap:12px;padding:16px;font-family:var(--mono);font-size:13.5px}
.term .body code{color:var(--text);white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.6}
.term .body code .pr{color:var(--brand)}
.copybtn{margin-left:auto;background:var(--card2);border:1px solid var(--line2);color:var(--text2);font-size:12px;padding:6px 11px;border-radius:8px;cursor:pointer;font-family:var(--sans);flex:none;transition:.2s}
.copybtn:hover{color:var(--text);border-color:var(--brand)}

.proof{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--band)}
.proof .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;padding:22px 24px}
.proofline{display:flex;flex-wrap:wrap;gap:8px 22px;color:var(--text3);font-size:14.5px;align-items:center}
.proofline b{color:var(--text2);font-weight:560}
.proofline .reg{color:var(--brand)}
.statset{display:flex;gap:26px}
.statset .s .n{font-family:var(--mono);font-size:24px;font-weight:600;letter-spacing:-.02em}
.statset .s .l{font-size:12px;color:var(--text3)}

section{padding:clamp(56px,7vw,96px) 0;position:relative}
.band{background:var(--band);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.gradband{position:relative;overflow:hidden;border-top:1px solid var(--line2);border-bottom:1px solid var(--line2);background:linear-gradient(120deg,#10203c 0%,#0f1b30 45%,#123049 100%)}
.gradband::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(620px circle at 15% 15%,rgba(79,140,255,.22),transparent 60%),radial-gradient(560px circle at 88% 85%,rgba(38,211,238,.16),transparent 60%)}
.gradband>*{position:relative;z-index:1}
.kicker{font-size:13.5px;font-weight:620;letter-spacing:.08em;text-transform:uppercase;color:var(--brand)}
.h2{font-size:clamp(30px,4.4vw,50px);margin:14px 0 0;max-width:20ch}
.sub{font-size:19.5px;color:var(--text2);margin:16px 0 0;max-width:62ch;line-height:1.6}
.center{text-align:center;display:flex;flex-direction:column;align-items:center}
.center .sub,.center .h2{margin-inline:auto}
.page-head{padding:clamp(40px,6vw,76px) 0 8px}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none;transition:none}}

.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px}
@media (max-width:1000px){.bento{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.bento{grid-template-columns:1fr}}
.tile{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;display:flex;flex-direction:column;overflow:hidden;color:inherit}
a.tile{cursor:pointer}
.tile:hover{transform:translateY(-4px);box-shadow:0 24px 55px rgba(0,0,0,.4);border-color:color-mix(in srgb,var(--brand) 35%,var(--line))}
.tile .go{position:absolute;top:20px;right:20px;color:var(--text3);opacity:0;transform:translateX(-4px);transition:.25s}
a.tile:hover .go{opacity:1;transform:none;color:var(--brand)}
.tile.big{grid-column:span 2;grid-row:span 2}
.tile.wide{grid-column:span 2}
@media (max-width:560px){.tile.big,.tile.wide{grid-column:span 1}.tile.big{grid-row:auto}}
.picon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.tile h3{font-size:20.5px;font-weight:620;letter-spacing:-.01em}
.tile .meta{font-size:13px;color:var(--text3);margin-top:2px;font-weight:400}
.tile p{font-size:15.5px;color:var(--text2);margin-top:10px;line-height:1.55;flex:1}
.srcs{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.srcs span{font-size:12.5px;color:var(--text3);background:var(--bg2);border:1px solid var(--line);padding:3px 9px;border-radius:7px}
.tile.big .term-mini{margin-top:auto;background:#0a101d;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-family:var(--mono);font-size:12px;color:var(--text2);display:flex;align-items:center;gap:8px;overflow:hidden}
.tile.big .term-mini code{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}
.soon{margin-top:auto;display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:560;color:var(--text3);background:var(--bg2);border:1px solid var(--line);padding:6px 12px;border-radius:100px;align-self:flex-start}
.soon .d{width:6px;height:6px;border-radius:50%;background:var(--amber)}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:44px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px}
.step .num{font-family:var(--serif);font-size:34px;font-weight:500;color:var(--brand);line-height:1}
.step h3{font-size:19px;margin-top:14px;font-weight:620}
.step p{font-size:16px;color:var(--text2);margin-top:8px;line-height:1.6}

.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin-top:44px}
.fcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px}
.fcard .fi{width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;background:var(--wash);color:var(--brand)}
.fcard h3{font-size:19px;margin-top:14px;font-weight:600}
.fcard p{font-size:15.5px;color:var(--text2);margin-top:8px;line-height:1.6}

.price-note{margin:26px auto 0;max-width:660px;display:flex;gap:12px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:15px 18px}
.price-note p{font-size:14.5px;color:var(--text2)}
.price-note b{color:var(--text)}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:1000px;margin:40px auto 0}
@media (max-width:820px){.tiers{grid-template-columns:1fr;max-width:440px}}
.tier{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;display:flex;flex-direction:column}
.tier.feat{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand),0 24px 60px rgba(79,140,255,.14);background:linear-gradient(180deg,#17253f,#111c30)}
.tier .name{font-size:15px;color:var(--text2);font-weight:560}
.tier .price{font-family:var(--serif);font-size:46px;font-weight:500;letter-spacing:-.02em;margin:8px 0 2px}
.tier .price small{font-size:16px;color:var(--text3);font-family:var(--sans)}
.tier .hint{font-size:13.5px;color:var(--text3)}
.tier ul{list-style:none;padding:0;margin:18px 0 24px;display:flex;flex-direction:column;gap:11px}
.tier li{display:flex;gap:10px;font-size:14.5px;color:var(--text2)}
.tier li svg{color:var(--brand);flex:none;margin-top:3px}
.tier .btn{margin-top:auto;justify-content:center}
.pop{align-self:flex-start;font-size:12px;font-weight:600;color:var(--text);background:rgba(79,140,255,.22);padding:5px 11px;border-radius:100px;margin-bottom:12px}

.faq{max-width:780px;margin:40px auto 0;display:flex;flex-direction:column;gap:10px}
.qa{background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.qa button{width:100%;text-align:left;background:none;border:none;color:var(--text);font-size:17.5px;font-weight:560;padding:18px 20px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;font-family:var(--sans)}
.qa button .chev{transition:transform .3s var(--ease);color:var(--text3);flex:none}
.qa button[aria-expanded="true"] .chev{transform:rotate(180deg);color:var(--brand)}
.qa .ans{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.qa .ans p{padding:0 20px 20px;font-size:16px;color:var(--text2);line-height:1.65}

footer{border-top:1px solid var(--line);padding:56px 0 40px;color:var(--text2);background:var(--band)}
.fgrid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:28px}
.fcol h4{font-size:12.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--text3);margin:0 0 12px;font-weight:600}
.fcol a{display:block;font-size:15px;color:var(--text2);padding:5px 0}
.fcol a:hover{color:var(--text)}
.fnote{margin-top:38px;padding-top:22px;border-top:1px solid var(--line);font-size:14px;color:var(--text3)}

/* ---------- product detail page ---------- */
.crumb{display:flex;gap:8px;font-size:14px;color:var(--text3);align-items:center;flex-wrap:wrap}
.crumb a:hover{color:var(--text2)}
.eyebrow-cat{font-size:14px;font-weight:620;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);margin-top:12px;display:block}
.toollist{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px;margin-top:36px}
.tool{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.tool .tn{font-family:var(--mono);font-size:14px;color:var(--brand);font-weight:500}
.tool p{font-size:14px;color:var(--text2);margin-top:6px;line-height:1.55}
.extcard{display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;background:var(--card);border:1px solid var(--line2);border-radius:var(--radius-lg);padding:26px;margin-top:32px}
@media(max-width:680px){.extcard{grid-template-columns:1fr}}
.extcard .exticon{width:58px;height:58px;border-radius:15px;background:var(--wash);color:var(--brand);display:flex;align-items:center;justify-content:center}
.extcard h3{font-size:20px;font-weight:620}
.extcard p{font-size:14.5px;color:var(--text2);margin-top:6px;line-height:1.55}
.example{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;margin-top:36px;max-width:820px}
.example .lbl{font-size:12px;font-weight:620;letter-spacing:.06em;text-transform:uppercase;color:var(--text3)}
.example .q{font-family:var(--mono);font-size:14px;color:var(--text);background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:13px 15px;margin-top:8px}
.example .a{font-size:15px;color:var(--text2);margin-top:16px;line-height:1.6}
.example .a b{color:var(--text)}
.toolstack{display:flex;flex-direction:column;gap:16px;margin-top:40px}
.tool.full{display:grid;grid-template-columns:1.02fr .98fr;gap:26px;align-items:start;padding:26px}
.tool.full>div{min-width:0}
@media(max-width:900px){.tool.full{grid-template-columns:1fr;gap:20px}}
.tool .thead{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tool .thead .tn{font-family:var(--mono);font-size:17px;color:var(--brand);font-weight:500}
.tool .srctag{font-size:12px;color:var(--text3);background:var(--bg2);border:1px solid var(--line);padding:3px 9px;border-radius:7px}
.tool .tdesc{font-size:15.5px;color:var(--text2);margin-top:10px;line-height:1.55}
.params{margin-top:16px}
.params .plabel{font-size:11px;font-weight:620;letter-spacing:.06em;text-transform:uppercase;color:var(--text3);margin-bottom:2px}
.param{padding:9px 0;border-top:1px solid var(--line)}
.param .top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.param .pn{font-family:var(--mono);font-size:14px;color:var(--text)}
.param .pt{font-family:var(--mono);font-size:12.5px;color:var(--text3)}
.param .badge{font-size:10.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:2px 7px;border-radius:6px}
.param .req{color:var(--amber);background:var(--wash-am)}
.param .opt{color:var(--text3);background:var(--bg2)}
.param .pd{font-size:14px;color:var(--text2);margin-top:4px;line-height:1.5}
.codeblock{background:#0a101d;border:1px solid var(--line);border-radius:11px;margin-top:14px;overflow:hidden}
.codeblock .ch{display:flex;align-items:center;gap:7px;padding:8px 13px;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:11.5px;color:var(--text3)}
.codeblock .ch .d{width:9px;height:9px;border-radius:50%}
.codeblock pre{margin:0;padding:13px 15px;font-family:var(--mono);font-size:13px;line-height:1.65;color:var(--text2);overflow-x:auto;white-space:pre;tab-size:2}
.codeblock .k{color:var(--cyan)}.codeblock .st{color:#9fe6b0}.codeblock .nu{color:var(--amber)}.codeblock .bo{color:var(--violet)}.codeblock .cm{color:var(--text3)}
.installs{display:grid;grid-template-columns:1fr;gap:12px;margin-top:40px;max-width:860px}
.inst{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;display:grid;grid-template-columns:130px 1fr;gap:14px;align-items:center}
@media(max-width:560px){.inst{grid-template-columns:1fr;gap:10px}}
.inst .cl{display:flex;align-items:center;gap:9px;font-weight:600;font-size:16px}
.inst .cl .dot{width:9px;height:9px;border-radius:50%;background:var(--brand)}
.inst .line{display:flex;align-items:center;gap:10px;background:#0a101d;border:1px solid var(--line);border-radius:9px;padding:11px 13px;font-family:var(--mono);font-size:13px;color:var(--text2);overflow-x:auto;min-width:0}
.inst .line code{white-space:nowrap;flex:1;min-width:0}
.inst .line .mc{background:var(--card2);border:1px solid var(--line2);color:var(--text2);font-size:11px;padding:5px 9px;border-radius:7px;cursor:pointer;font-family:var(--sans);flex:none;transition:.2s}
.inst .line .mc:hover{color:var(--text);border-color:var(--brand)}
.related{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin-top:36px}
.rel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;transition:.25s;display:flex;flex-direction:column}
.rel:hover{border-color:var(--brand);transform:translateY(-3px)}
.rel h4{font-size:16px;font-weight:600}
.rel p{font-size:13px;color:var(--text3);margin-top:4px}