:root{
  --bg:#0b0d10; --bg-2:#101318; --surface:#13171d; --surface-2:#181d24;
  --line:rgba(160,180,200,.10); --line-2:rgba(160,180,200,.18);
  --text:#d7dde3; --text-2:#9aa4ae; --text-3:#65707b;
  --accent:#7fbcd0; --accent-2:#8f9fd8; --accent-dim:rgba(127,188,208,.14);
  --warn:#c9b48a;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"Inter",system-ui,sans-serif;
  --radius:10px; --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 80%);opacity:.55}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
::selection{background:var(--accent-dim);color:#fff}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.mono{font-family:var(--mono)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--accent)}
h1,h2,h3{font-weight:600;letter-spacing:-.02em;line-height:1.15;color:#eef2f5}
h1{font-size:clamp(38px,6vw,72px)}
h2{font-size:clamp(28px,3.6vw,44px)}
h3{font-size:19px;letter-spacing:-.01em}
p{color:var(--text-2)}
.lead{font-size:clamp(17px,1.6vw,20px);color:var(--text-2);max-width:640px}
.grad{background:linear-gradient(100deg,#eef2f5 20%,var(--accent) 60%,var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}

/* nav */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(11,13,16,.72);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;height:64px;gap:32px}
.logo{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:-.01em;font-size:17px;color:#eef2f5}
.logo img{width:30px;height:30px;object-fit:contain;filter:saturate(.75)}
.logo b{color:var(--accent);font-weight:600}
.nav-links{display:flex;gap:26px;font-size:14px;color:var(--text-2)}
.nav-links a{position:relative;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:#eef2f5}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-22px;height:1px;background:var(--accent)}
.nav-cta{margin-left:auto;display:flex;gap:10px;align-items:center}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line-2);color:var(--text);border-radius:8px;width:38px;height:38px;cursor:pointer}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;padding:10px 18px;border-radius:8px;border:1px solid var(--line-2);color:var(--text);transition:all .2s;cursor:pointer;background:transparent;font-family:inherit}
.btn:hover{border-color:var(--accent);color:#fff}
.btn-primary{background:var(--accent);color:#0b0d10;border-color:var(--accent)}
.btn-primary:hover{background:#9ccddc;color:#0b0d10;box-shadow:0 0 0 4px var(--accent-dim)}
.btn .arr{transition:transform .2s}
.btn:hover .arr{transform:translateX(3px)}

/* sections */
section{padding:110px 0;position:relative}
.sec-head{max-width:720px;margin-bottom:56px}
.sec-head h2{margin:16px 0 14px}
.divider{border-top:1px solid var(--line)}

/* hero */
.hero{padding:120px 0 90px;overflow:hidden}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;z-index:-1;opacity:.9}
.hero h1{margin:22px 0 24px;max-width:900px}
.hero .actions{display:flex;gap:12px;margin-top:36px;flex-wrap:wrap}
.hero-meta{display:flex;gap:36px;margin-top:70px;flex-wrap:wrap;font-family:var(--mono);font-size:12px;color:var(--text-3)}
.hero-meta span b{color:var(--text);font-weight:500;margin-right:6px}
.page-hero{padding:110px 0 60px}
.page-hero h1{font-size:clamp(34px,5vw,58px);margin:18px 0 20px;max-width:880px}

/* cards */
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:linear-gradient(180deg,var(--surface),var(--bg-2));border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative;transition:border-color .3s,transform .3s}
.card:hover{border-color:var(--line-2);transform:translateY(-2px)}
.card .idx{font-family:var(--mono);font-size:12px;color:var(--text-3);margin-bottom:22px;display:flex;justify-content:space-between}
.card h3{margin-bottom:10px}
.card p{font-size:15px}
.card .corner{position:absolute;width:10px;height:10px;border-color:var(--accent);opacity:.5}
.card .c1{top:-1px;left:-1px;border-top:1px solid;border-left:1px solid;border-radius:var(--radius) 0 0 0}
.card .c2{bottom:-1px;right:-1px;border-bottom:1px solid;border-right:1px solid;border-radius:0 0 var(--radius) 0}
.link{font-family:var(--mono);font-size:13px;color:var(--accent);display:inline-flex;gap:6px;margin-top:18px}
.link:hover{color:#fff}

/* terminal */
.term{background:#0d1014;border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden;font-family:var(--mono);font-size:13px}
.term-bar{display:flex;align-items:center;gap:8px;padding:11px 14px;border-bottom:1px solid var(--line);color:var(--text-3);font-size:12px}
.term-bar i{width:9px;height:9px;border-radius:50%;background:#2a3038;display:inline-block}
.term-bar span{margin-left:8px}
.term pre{padding:20px;color:var(--text-2);line-height:1.8;overflow-x:auto;white-space:pre}
.term .k{color:var(--accent)} .term .s{color:var(--accent-2)} .term .c{color:var(--text-3)} .term .w{color:var(--warn)}

/* chart */
.chart-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.chart-legend{display:flex;gap:22px;font-family:var(--mono);font-size:12px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap}
.chart-legend i{display:inline-block;width:14px;height:2px;vertical-align:middle;margin-right:8px}
.chart-note{font-size:13px;color:var(--text-3);margin-top:16px}

/* steps */
.steps{counter-reset:s}
.step{display:grid;grid-template-columns:90px 1fr;gap:24px;padding:30px 0;border-top:1px solid var(--line)}
.step:last-child{border-bottom:1px solid var(--line)}
.step .n{font-family:var(--mono);font-size:13px;color:var(--accent)}
.step h3{margin-bottom:8px}

/* metrics */
.metric{font-family:var(--mono);font-size:clamp(34px,4vw,48px);color:#eef2f5;letter-spacing:-.03em;line-height:1}
.metric small{font-size:15px;color:var(--text-3);margin-left:6px}
.metric-label{font-size:13px;color:var(--text-3);margin-top:10px;font-family:var(--mono)}
.result{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;padding:48px 0;border-top:1px solid var(--line);align-items:center}
.result .mets{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.result .mets .card{padding:22px}

/* pricing */
.tier{display:flex;flex-direction:column}
.tier .price{font-family:var(--mono);font-size:34px;color:#eef2f5;margin:18px 0 4px}
.tier .price small{font-size:14px;color:var(--text-3)}
.tier ul{list-style:none;margin:22px 0 28px;flex:1}
.tier li{font-size:14px;color:var(--text-2);padding:8px 0 8px 22px;position:relative;border-top:1px dashed var(--line)}
.tier li::before{content:"";position:absolute;left:2px;top:17px;width:8px;height:1px;background:var(--accent)}
.tier.featured{border-color:rgba(127,188,208,.4);box-shadow:0 0 0 1px rgba(127,188,208,.1),0 30px 80px -40px rgba(127,188,208,.35)}
.tag{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;padding:4px 9px;border-radius:5px;border:1px solid var(--line-2);color:var(--text-2)}
.tag.on{color:var(--accent);border-color:rgba(127,188,208,.35);background:var(--accent-dim)}

/* faq */
.faq details{border-top:1px solid var(--line);padding:22px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;font-size:17px;color:#eef2f5;font-weight:500}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--accent);font-size:20px;transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin-top:12px;max-width:760px}

/* flow diagram */
.flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:14px;margin-top:10px}
.flow .node{border:1px solid var(--line-2);border-radius:8px;padding:16px;text-align:center;font-family:var(--mono);font-size:13px;color:var(--text-2);background:var(--surface)}
.flow .node.hub{border-color:rgba(127,188,208,.45);color:var(--accent);box-shadow:0 0 30px -10px rgba(127,188,208,.4)}
.flow .wire{height:1px;width:48px;background:linear-gradient(90deg,transparent,var(--accent),transparent);position:relative;overflow:hidden}
.flow .wire::after{content:"";position:absolute;top:-1px;left:-30%;width:30%;height:3px;background:var(--accent);filter:blur(2px);animation:pulse 2.4s linear infinite}
@keyframes pulse{to{left:130%}}

/* blog */
.post-row{display:grid;grid-template-columns:140px 1fr auto;gap:30px;padding:26px 0;border-top:1px solid var(--line);align-items:baseline;transition:background .2s}
.post-row:hover h3{color:var(--accent)}
.post-row .d{font-family:var(--mono);font-size:12px;color:var(--text-3)}
.post-row h3{transition:color .2s;margin-bottom:6px}
.post-row p{font-size:14px}
.article{max-width:720px;margin:0 auto}
.article h2{font-size:26px;margin:48px 0 14px}
.article p{margin-bottom:18px;font-size:17px}
.article .term{margin:26px 0}

/* docs */
.docs{display:grid;grid-template-columns:220px 1fr;gap:56px}
.docs aside{position:sticky;top:90px;align-self:start;font-size:14px}
.docs aside h4{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);margin:22px 0 10px;font-weight:500}
.docs aside a{display:block;padding:5px 0 5px 12px;color:var(--text-2);border-left:1px solid var(--line)}
.docs aside a:hover{color:#fff;border-color:var(--accent)}
.docs article h2{font-size:26px;margin:0 0 14px;padding-top:10px}
.docs article section{padding:0 0 56px}
.docs article p{margin-bottom:14px}
code{font-family:var(--mono);font-size:.88em;background:var(--surface-2);border:1px solid var(--line);padding:1px 6px;border-radius:4px;color:var(--accent-2)}

/* form */
.form{display:grid;gap:18px}
.field label{display:block;font-family:var(--mono);font-size:12px;color:var(--text-3);margin-bottom:8px;letter-spacing:.05em}
.field input,.field textarea,.field select{width:100%;background:var(--bg-2);border:1px solid var(--line-2);border-radius:8px;padding:12px 14px;color:var(--text);font-family:inherit;font-size:15px;transition:border-color .2s,box-shadow .2s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}
.field textarea{min-height:130px;resize:vertical}
.hint{font-size:13px;color:var(--text-3)}
.ok-msg{display:none;padding:14px;border:1px solid rgba(169,195,180,.35);border-radius:8px;color:var(--accent-2);font-family:var(--mono);font-size:13px}

/* legal */
.legal{max-width:760px}
.legal h2{font-size:22px;margin:40px 0 12px}
.legal p,.legal li{color:var(--text-2);margin-bottom:12px}
.legal ul{padding-left:20px}

/* cta band */
.cta-band{border:1px solid var(--line-2);border-radius:14px;padding:64px;text-align:center;background:radial-gradient(ellipse at 50% 0%,rgba(127,188,208,.12),transparent 60%),var(--bg-2);position:relative;overflow:hidden}
.cta-band h2{margin-bottom:14px}
.cta-band p{margin:0 auto 28px;max-width:520px}

/* footer */
footer{border-top:1px solid var(--line);padding:56px 0 40px;margin-top:40px}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.foot h5{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);margin-bottom:14px;font-weight:500}
.foot a{display:block;font-size:14px;color:var(--text-2);padding:4px 0}
.foot a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;margin-top:48px;padding-top:24px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12px;color:var(--text-3);flex-wrap:wrap;gap:10px}
.status{display:inline-flex;align-items:center;gap:8px}
.status i{width:7px;height:7px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 8px var(--accent-2);animation:blink 2s infinite}
@keyframes blink{50%{opacity:.35}}

/* reveal */
.rv{opacity:0;transform:translateY(16px);transition:opacity .8s ease,transform .8s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}.flow .wire::after,.status i{animation:none}}

@media (max-width:900px){
  .nav-links,.nav-cta{display:none}
  .burger{display:block}
  .nav.open .nav-links{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:var(--bg);padding:20px 28px;border-bottom:1px solid var(--line);gap:16px}
  .nav.open .nav-links a.active::after{display:none}
  .g3,.g2,.result,.result .mets,.docs,.foot{grid-template-columns:1fr}
  .result .mets{grid-template-columns:1fr 1fr}
  .docs aside{position:static}
  .flow{grid-template-columns:1fr}
  .flow .wire{width:1px;height:28px;margin:0 auto;background:linear-gradient(180deg,transparent,var(--accent),transparent)}
  .flow .wire::after{display:none}
  .post-row{grid-template-columns:1fr;gap:6px}
  .step{grid-template-columns:1fr;gap:8px}
  section{padding:80px 0}
  .cta-band{padding:40px 22px}
  .wrap{padding:0 20px}
}

.social{display:inline-flex;align-items:center;gap:8px}.social svg{width:15px;height:15px}
.nav-cta .icon-btn{width:38px;height:38px;justify-content:center;padding:0}
.brand-hero{width:132px;filter:saturate(.7) drop-shadow(0 0 40px rgba(127,188,208,.25));margin-bottom:28px}
.icon-btn svg{width:16px;height:16px}
.foot a.logo{display:flex}.foot a.social{display:inline-flex;align-items:center;gap:8px;margin-top:18px}