:root{
  --navy:#0E1726; --navy-2:#131E33; --navy-3:#1A2640; --line:#2A3756;
  --ink:#FFFFFF; --muted:#A9B4C6; --teal:#2DD4BF; --teal-2:#5EEAD4;
  --amber:#E0A84A; --orange:#FB923C; --indigo:#818CF8;
  --paper:#F3F4F1; --paper-ink:#14181F; --paper-muted:#5B6370; --deep:#102A43; --rust:#C2410C;
  --radius:18px; --max:1200px;
  --sans:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  --display:"Space Grotesk",Inter,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--navy);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--teal)}a:hover{color:var(--teal-2)}
img,svg{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--display);letter-spacing:-0.02em;line-height:1.1;margin:0}
.eyebrow{font-family:var(--mono);font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);margin:0 0 14px}
code,pre{font-family:var(--mono)}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:20;background:rgba(14,23,38,.82);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid rgba(42,55,86,.6)}
.nav .wrap{display:flex;align-items:center;gap:28px;height:66px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-family:var(--display);font-weight:700;font-size:24px;letter-spacing:-0.02em}
.brand:hover{color:var(--ink)}
.brand img{width:34px;height:34px}
.nav-links{display:flex;gap:24px;margin-left:auto;align-items:center}
.nav-links a{color:var(--muted);text-decoration:none;font-size:15px;font-weight:500}
.nav-links a:hover{color:var(--ink)}
.gh-pill{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid var(--line);border-radius:999px;color:var(--ink)!important;background:var(--navy-3)}
.gh-pill:hover{border-color:var(--teal)}
.gh-pill svg{width:18px;height:18px;fill:currentColor}
@media (max-width:760px){.nav-links a:not(.gh-pill):not([href$="updates.html"]){display:none}}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:12px;font-weight:600;font-size:16px;text-decoration:none;transition:transform .15s ease,background .15s ease,border-color .15s ease}
.btn svg{width:20px;height:20px;fill:currentColor}
.btn-primary{background:var(--teal);color:var(--navy)}
.btn-primary:hover{background:var(--teal-2);color:var(--navy);transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--teal);color:var(--ink)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:96px 0 40px;text-align:center;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-200px 0 auto 0;height:620px;background:radial-gradient(600px 300px at 50% 40%,rgba(45,212,191,.16),transparent 70%),radial-gradient(500px 260px at 20% 30%,rgba(251,146,60,.10),transparent 70%),radial-gradient(500px 260px at 80% 30%,rgba(129,140,248,.12),transparent 70%);pointer-events:none}
.hero .wrap{position:relative}
.badge{display:inline-flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;padding:6px 14px;border:1px solid var(--line);border-radius:999px;font-size:14px;color:var(--muted);background:rgba(26,38,64,.6);margin-bottom:28px}
.badge b{color:var(--teal);font-weight:600}
.hero h1{font-size:clamp(42px,7vw,80px);max-width:900px;margin:0 auto}
.hero h1 .hl{color:var(--teal)}
.hero p.lead{font-size:clamp(18px,2.2vw,21px);color:var(--muted);max-width:720px;margin:24px auto 36px}
.cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.install{margin:36px auto 0;max-width:560px;display:flex;align-items:center;gap:12px;background:#0A111D;border:1px solid var(--line);border-radius:12px;padding:12px 14px 12px 18px;font-family:var(--mono);font-size:14px;text-align:left}
.install .p{color:var(--orange);user-select:none}
.install code{flex:1;overflow-x:auto;white-space:nowrap;color:#E6EDF6}
.copy{flex:none;background:var(--navy-3);border:1px solid var(--line);color:var(--muted);border-radius:8px;padding:6px 10px;font:500 12px var(--sans);cursor:pointer}
.copy:hover{color:var(--ink);border-color:var(--teal)}

/* ---------- Illustration frames (fixed-size art, scaled to fit) ---------- */
.ill-frame{width:100%;overflow-x:auto;overflow-y:hidden;border-radius:24px;-webkit-overflow-scrolling:touch}
.ill-sizer{position:relative}
.ill{position:absolute;top:0;left:0;transform-origin:0 0;overflow:hidden}
.ill .a{position:absolute}
.ill-hint{display:none;text-align:center;font-size:13px;color:var(--muted);margin-top:10px}
@media (max-width:760px){.ill-hint{display:block}}

/* marketing illustration */
.mk{width:1600px;height:1112px;background:var(--navy);font-family:var(--sans);color:#fff}
.mk .band{left:140px;width:1320px;background:var(--navy-2);border-radius:28px;border:1px solid}
.mk .title{left:64px;top:56px;width:1472px;text-align:center;font:700 40px/48px var(--display);letter-spacing:-0.02em}
.mk .lbl{font:500 13px/16px var(--mono);letter-spacing:.14em}
.mk .card{width:216px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:var(--navy-3);border:1px solid var(--line);border-radius:22px;font-size:18px;line-height:22px;font-weight:600}
.mk .card.u{top:188px;height:200px;gap:14px;padding:20px 8px}
.mk .card.m{top:772px;height:212px;gap:10px;padding:16px 8px}
.mk .card.u img{width:200px;height:120px;display:block}
.mk .card.m img{width:196px;height:137px;display:block}
.mk .core{left:480px;top:516px;width:640px;height:144px;padding:16px 32px;display:flex;align-items:center;justify-content:center;gap:28px;background:var(--teal);border-radius:32px;color:var(--navy)}
.mk .core b{font:700 56px/60px var(--display);letter-spacing:-0.02em}
.mk .core small{display:block;font-size:17px;line-height:24px;font-weight:600}

/* technical illustration */
.tk{width:1600px;height:1104px;background:var(--paper);font-family:var(--sans);color:var(--paper-ink)}
.tk .lbl{font:400 12px/16px var(--mono);letter-spacing:.12em;color:var(--paper-muted)}
.tk .box{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:#fff;border:1px solid #D9DDE3;border-radius:12px;font-size:14px;line-height:19px}
.tk .box.u{top:232px;width:232px;height:104px;padding:12px 16px;gap:6px}
.tk .box.m{top:864px;width:248px;height:128px;padding:12px 16px;gap:8px}
.tk .box b{font-size:15px}
.tk .mono{font-family:var(--mono);font-size:12px}
.tk .pri-h{color:var(--rust)} .tk .pri-m{color:#A16207} .tk .pri-l{color:var(--paper-muted)}
.tk .step{top:544px;width:248px;height:112px;padding:12px 14px;display:flex;align-items:center;justify-content:center;text-align:center;background:#fff;border-radius:12px;font-size:14px;line-height:20px}
.tk .step b{font-size:16px}
.tk .step.hot{background:#FFF4EC;border:2px solid var(--rust)}
.tk .muted{color:var(--paper-muted)}

/* ---------- Sections ---------- */
section{padding:96px 0}
.sec-head{max-width:760px;margin:0 0 48px}
.sec-head.center{margin:0 auto 48px;text-align:center}
.sec-head h2{font-size:clamp(32px,4.4vw,48px)}
.sec-head p{color:var(--muted);font-size:19px;margin:18px 0 0}
.showcase{padding:24px 0 96px}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:900px){.grid3{grid-template-columns:1fr}}
.card-d{background:var(--navy-2);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.card-d h3{font-size:22px;margin:16px 0 10px}
.card-d p{color:var(--muted);margin:0;font-size:16px}
.ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:rgba(45,212,191,.12);color:var(--teal)}
.ico.o{background:rgba(251,146,60,.14);color:var(--orange)}
.ico.i{background:rgba(129,140,248,.16);color:var(--indigo)}
.ico svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

.features{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.feat{padding:28px 30px;border-bottom:1px solid var(--line);display:flex;gap:18px}
.feat:nth-child(odd){border-right:1px solid var(--line)}
.feat:nth-last-child(-n+2){border-bottom:0}
.feat h3{font-size:19px;margin:2px 0 6px}
.feat p{margin:0;color:var(--muted);font-size:15.5px}
.feat .ico{flex:none;width:42px;height:42px;border-radius:12px}
@media (max-width:820px){.features{grid-template-columns:1fr}.feat:nth-child(odd){border-right:0}.feat:nth-last-child(2){border-bottom:1px solid var(--line)}}

.backends{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:36px}
.backends span{font-family:var(--mono);font-size:14px;padding:8px 14px;border-radius:999px;border:1px solid var(--line);color:#D6E2EE;background:var(--navy-3)}

/* ---------- Technical (light) ---------- */
.tech{background:var(--paper);color:var(--paper-ink)}
.tech .eyebrow{color:var(--rust)}
.tech .sec-head p{color:var(--paper-muted)}
.tech a{color:#1B4F7A}
.tech .ill-frame{border:1px solid #E1E4E8;background:var(--paper)}
.tech .ill-hint{color:var(--paper-muted)}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:64px}
@media (max-width:900px){.cols{grid-template-columns:1fr}}
.cols>*{min-width:0}
.panel{background:#fff;border:1px solid #E1E4E8;border-radius:var(--radius);padding:30px}
.panel h3{font-size:22px;margin-bottom:14px}
.panel p,.panel li{color:#3A414C;font-size:15.5px}
.panel ol,.panel ul{padding-left:20px;margin:0}
.panel li{margin:0 0 10px}
.panel code{background:#EEF1F4;border-radius:6px;padding:1px 6px;font-size:13.5px;color:var(--deep)}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{text-align:left;padding:11px 10px;border-bottom:1px solid #E6E8EB;vertical-align:top}
th{font:500 12px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--paper-muted)}
td code{white-space:nowrap}
.perf td code{white-space:normal}
.pill{display:inline-block;font:500 12px var(--mono);padding:3px 8px;border-radius:6px}
.pill.ok{background:#DCFCE7;color:#166534}.pill.warn{background:#FFEDD5;color:#9A3412}

.code{background:#0B1220;color:#DCE3EE;border-radius:14px;overflow:hidden;border:1px solid #1E2A40}
.code .bar{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:#111A2B;border-bottom:1px solid #1E2A40;font:500 12px var(--mono);color:#8A97AD}
.code pre{margin:0;padding:18px 20px;overflow-x:auto;font-size:13.5px;line-height:1.65}
.c-k{color:#C792EA}.c-s{color:#C3E88D}.c-c{color:#6B7A93;font-style:italic}.c-n{color:#F78C6C}.c-a{color:#82AAFF}.c-p{color:#FB923C}
.tabs{display:flex;gap:6px;margin-bottom:14px;flex-wrap:wrap}
.tab{border:1px solid #D9DDE3;background:#fff;color:#3A414C;border-radius:9px;padding:8px 14px;font:600 14px var(--sans);cursor:pointer}
.tab[aria-selected="true"]{background:var(--deep);border-color:var(--deep);color:#fff}
.tabpanel[hidden]{display:none}
.callout{margin-top:18px;padding:14px 16px;border-left:3px solid var(--rust);background:#FFF4EC;border-radius:0 10px 10px 0;font-size:15px;color:#4A3426}

/* ---------- Final CTA / footer ---------- */
.final{text-align:center;padding:110px 0}
.final img{width:84px;height:84px;margin-bottom:26px}
.final h2{font-size:clamp(34px,5vw,56px)}
.final p{color:var(--muted);font-size:19px;max-width:620px;margin:18px auto 34px}
footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:14px}
footer .wrap{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
footer .brand{font-size:19px}
footer .brand img{width:26px;height:26px}
.f-links{margin-left:auto;display:flex;gap:16px;align-items:center}
.f-links a{color:var(--muted);display:inline-flex;align-items:center;gap:7px;text-decoration:none}
.f-links a:hover{color:var(--ink)}
.f-links svg{width:18px;height:18px;fill:currentColor}

/* ---------- Updates page ---------- */
.nav-links a.active{color:var(--ink)}
.updates-hero{padding:80px 0 24px}
.updates-hero h1{font-size:clamp(40px,6vw,64px)}
.updates-hero p{color:var(--muted);font-size:19px;max-width:640px;margin:18px 0 0}
.updates-list{list-style:none;margin:0;padding:24px 0 96px;max-width:820px}
.update-item{position:relative;display:grid;grid-template-columns:150px 1fr;gap:28px;padding:32px 0;border-top:1px solid var(--line)}
.update-item:last-child{border-bottom:1px solid var(--line)}
.update-item time{font:500 14px/1.6 var(--mono);color:var(--muted);padding-top:4px}
.update-item h2{font-size:24px;margin:0 0 10px}
.update-item h2 a{color:var(--ink);text-decoration:none}
.update-item h2 a:hover{color:var(--teal)}
.update-item p{color:#C8D2E0;margin:0 0 10px;font-size:16.5px}
.update-item ul{color:#C8D2E0;margin:0 0 10px;padding-left:20px;font-size:16.5px}
.update-item code{font-size:14px;background:var(--navy-3);border:1px solid var(--line);border-radius:6px;padding:1px 6px;color:#E6EDF6}
.tag{display:inline-block;font:500 12px var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:3px 9px;border-radius:999px;margin-bottom:12px;border:1px solid}
.tag.release{color:var(--teal);border-color:rgba(45,212,191,.4);background:rgba(45,212,191,.08)}
.tag.feature{color:var(--orange);border-color:rgba(251,146,60,.4);background:rgba(251,146,60,.08)}
.tag.fix{color:var(--indigo);border-color:rgba(129,140,248,.45);background:rgba(129,140,248,.08)}
.tag.announcement{color:var(--amber);border-color:rgba(224,168,74,.45);background:rgba(224,168,74,.08)}
.update-item:target{background:linear-gradient(90deg,rgba(45,212,191,.06),transparent)}
@media (max-width:700px){.update-item{grid-template-columns:1fr;gap:6px}}