:root{
  --bg:#F3F2ED; --surface:#FFFFFF; --fg:#0D0E0C;
  --carbon:#151714; --graphite:#2A2D29;
  --muted:#62665F; --soft:#B7BAB2;
  --border:#D9DAD4; --dark-border:#343731;
  --accent:#3FE0D8; --accent-soft:#B3F5EF;
  --alert:#E8663D; --warn:#E7A83C;
  --sans:'Inter','HarmonyOS Sans','Source Han Sans SC','PingFang SC',system-ui,sans-serif;
  --mono:ui-monospace,'SF Mono','JetBrains Mono',Menlo,monospace;
  --maxw:1320px; --pad:clamp(20px,5vw,72px); --nav-height:76px;
  --type-display-xl:clamp(48px,6.4vw,96px);
  --type-display-lg:clamp(36px,4.2vw,64px);
  --type-heading-lg:clamp(30px,3.2vw,46px);
  --type-heading-md:26px; --type-heading-sm:22px;
  --type-body-lg:18px; --type-body-md:16px; --type-body-sm:14px;
  --type-ui:13px; --type-meta:11px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:96px}
section[id]{scroll-margin-top:96px}
body{background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;font-feature-settings:'ss01','cv01'}
h1,h2,h3{font-weight:500}
h1{line-height:1.03;letter-spacing:-.035em;text-wrap:balance}
h2{line-height:1.08;letter-spacing:-.03em;text-wrap:balance}
h3{line-height:1.2;letter-spacing:-.015em}
@media(max-width:920px){h1,h2,h3{word-break:normal;overflow-wrap:anywhere;text-wrap:pretty}}
a{color:inherit;text-decoration:none}
:focus:not(:focus-visible){outline:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:0}
.skip{position:fixed;top:10px;left:10px;z-index:200;background:var(--fg);color:var(--bg);padding:10px 16px;border-radius:0;font-size:14px;transform:translateY(-160%);transition:transform .2s}
.skip:focus{transform:translateY(0)}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
.eyebrow{font-family:var(--mono);font-size:var(--type-meta);letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.mono{font-family:var(--mono)}
.muted{color:var(--muted)}
.chapter{padding-block:clamp(80px,7vw,132px)}
.dark{background:var(--carbon);color:#EEF0E9}
.dark .eyebrow{color:var(--soft)}
.dark .muted{color:var(--soft)}
.sec-head h2{font-size:var(--type-heading-lg);max-width:18ch}
.sec-lead{font-size:var(--type-body-lg);color:var(--muted);max-width:600px;margin-top:18px;line-height:1.65}
.dark .sec-lead{color:var(--soft)}
.eyebrow-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.sec-entry{font-family:var(--mono);font-size:12px;color:var(--muted);display:inline-flex;align-items:center;gap:6px;transition:color .2s;white-space:nowrap}
.sec-entry:hover{color:var(--fg)}
.dark .sec-entry{color:var(--soft)}.dark .sec-entry:hover{color:#EEF0E9}
.sec-entry .arw,.arw{transition:transform .25s}
.sec-entry:hover .arw{transform:translateX(3px)}
/* nav */
header{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .4s,border-color .4s;border-bottom:1px solid transparent}
header.scrolled{background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:88px;transition:height .3s}
header.scrolled .nav{height:76px}
.brand{display:flex;align-items:center;gap:11px;font-weight:500;font-size:17px;letter-spacing:-.01em}
.brand svg{width:23px;height:23px}
.navlinks{display:flex;gap:28px;font-size:14px;color:var(--muted)}
.navlinks a{transition:color .2s;position:relative;padding-bottom:3px}
.navlinks a:hover,.navlinks a.cur{color:var(--fg)}
.navlinks a.cur::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent);border-radius:0}
.navcta{display:flex;align-items:center;gap:16px;font-size:14px}
.sign{color:var(--fg)}
.menu-btn{display:none;flex-direction:column;gap:5px;width:44px;height:44px;align-items:center;justify-content:center;background:none;border:0;cursor:pointer}
.menu-btn span{display:block;width:22px;height:1.6px;background:var(--fg);transition:.3s}
.mobile-menu{position:fixed;inset:0;z-index:150;background:var(--bg);padding:96px var(--pad) 40px;display:flex;flex-direction:column;gap:6px;transform:translateY(-100%);transition:transform .4s cubic-bezier(.16,1,.3,1);visibility:hidden}
.mobile-menu.open{transform:translateY(0);visibility:visible}
.mobile-menu a{font-size:30px;font-weight:500;letter-spacing:-.02em;padding:12px 0;border-bottom:1px solid var(--border)}
.mobile-menu .btn{margin-top:24px;justify-content:center}
.menu-close{position:absolute;top:22px;right:var(--pad);width:44px;height:44px;background:none;border:0;font-size:26px;cursor:pointer;color:var(--fg)}
.btn{display:inline-flex;align-items:center;gap:9px;padding:11px 19px;border-radius:0;font-size:14px;font-weight:500;transition:.25s;cursor:pointer;border:1px solid transparent}
.btn-primary{background:var(--accent);color:#0D0E0C}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 26px -12px rgba(0,0,0,.45)}
.btn-primary:hover .arw{transform:translateX(4px)}
.btn-ghost{border-color:var(--border);color:var(--fg)}
.btn-ghost:hover{border-color:var(--muted)}
.btn-lg{padding:15px 26px;font-size:16px;border-radius:0}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.16,1,.3,1),transform .9s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}
/* page hero */
.pg-hero{padding-top:clamp(118px,14vh,150px);padding-bottom:clamp(24px,3vw,40px)}
.crumb{font-family:var(--mono);font-size:12px;color:var(--muted);display:flex;align-items:center;gap:8px;margin-bottom:18px}
.crumb a:hover{color:var(--fg)}
.crumb .sep{color:var(--border)}
.pg-hero h1{font-size:var(--type-display-lg);max-width:15ch}
.pg-hero .lead{font-size:var(--type-body-lg);color:var(--muted);max-width:60ch;margin-top:20px;line-height:1.7}
.dev-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.dev-pill{font-family:var(--mono);font-size:13px;color:var(--fg);border:1px solid var(--border);background:var(--surface);border-radius:0;padding:9px 16px;transition:.2s;display:inline-flex;align-items:center;gap:7px}
.dev-pill:hover{border-color:var(--fg);transform:translateY(-1px)}
.dev-pill .arw{color:var(--muted)}
/* code surface */
.code{background:var(--carbon);border:1px solid var(--dark-border);border-radius:0;overflow:hidden}
.code-bar{display:flex;align-items:center;gap:8px;padding:11px 16px;border-bottom:1px solid var(--dark-border);font-family:var(--mono);font-size:12px;color:var(--soft)}
.code-bar .cdot{width:9px;height:9px;border-radius:50%;background:var(--graphite)}
.code-bar .cdot.on{background:var(--accent)}
.code-bar .cf{margin-left:6px}
.code pre{margin:0;padding:18px 20px;overflow-x:auto;font-family:var(--mono);font-size:13px;line-height:1.75;color:#C9CCC3}
.code .cm{color:var(--soft)}
.code .kw{color:var(--accent)}
.code .st{color:#B3F5EF}
/* quickstart flow */
.qs{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(20px,2.6vw,40px);margin-top:44px;align-items:start}
.qs-steps{display:flex;flex-direction:column;gap:12px}
.qs-step{display:flex;gap:14px;align-items:flex-start;border:1px solid var(--border);border-radius:0;background:var(--surface);padding:16px 18px}
.qs-step .qn{font-family:var(--mono);font-size:12px;color:#0D0E0C;background:var(--accent);border-radius:0;width:26px;height:26px;display:flex;align-items:center;justify-content:center;flex:none}
.qs-step h3{font-size:16px}
.qs-step p{color:var(--muted);font-size:var(--type-body-sm);margin-top:5px;line-height:1.55}
/* api category grid */
.api-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:40px}
.api-card{border:1px solid var(--dark-border);border-radius:0;background:#141613;color:#EEF0E9;padding:18px 18px 20px;transition:.25s;display:block}
.api-card:hover{border-color:color-mix(in srgb,var(--accent) 50%,var(--dark-border));transform:translateY(-3px)}
.api-card .ac-ep{font-family:var(--mono);font-size:11px;color:var(--accent)}
.api-card h3{font-size:16px;margin-top:9px}
.api-card p{color:var(--soft);font-size:12.5px;margin-top:7px;line-height:1.5}
/* sdk cards */
.sdk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:40px}
.sdk-card{border:1px solid var(--border);border-radius:0;background:var(--surface);padding:20px 22px;transition:.25s}
.sdk-card:hover{border-color:var(--fg);transform:translateY(-3px)}
.sdk-card .sk-h{display:flex;align-items:center;justify-content:space-between;gap:10px}
.sdk-card h3{font-size:17px}
.sdk-card .sk-tag{font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:var(--muted);border:1px solid var(--border);border-radius:0;padding:3px 7px}
.sdk-card .sk-tag.beta,.sdk-card .sk-tag.prev{color:#0D0E0C;background:var(--accent-soft);border-color:var(--accent-soft)}
.sdk-card code{display:block;font-family:var(--mono);font-size:12.5px;color:var(--fg);background:var(--bg);border:1px solid var(--border);border-radius:0;padding:10px 12px;margin-top:14px;overflow-x:auto}
.sdk-card .sk-go{font-family:var(--mono);font-size:12px;color:var(--muted);margin-top:13px;display:inline-flex;gap:6px;align-items:center}
.sdk-card:hover .sk-go{color:var(--fg)}
/* components / agent feature rows */
.feat{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px}
.feat-card{border:1px solid var(--dark-border);border-radius:0;background:#141613;color:#EEF0E9;padding:24px 24px 26px;position:relative}
.feat-card .fh{display:flex;align-items:center;gap:11px}
.feat-card .fic{width:34px;height:34px;border-radius:0;background:#101210;color:var(--accent);display:flex;align-items:center;justify-content:center;flex:none}
.feat-card h3{font-size:18px}
.feat-card .fbadge{margin-left:auto;font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:var(--soft);border:1px solid var(--dark-border);border-radius:0;padding:4px 9px}
.feat-card p{color:var(--soft);font-size:var(--type-body-sm);margin-top:12px;line-height:1.6}
.feat-list{list-style:none;display:flex;flex-direction:column;gap:8px;margin-top:14px}
.feat-list li{font-size:13px;color:#C9CCC3;display:flex;gap:9px;align-items:flex-start}
.feat-list li::before{content:"";width:5px;height:5px;border-radius:0;background:var(--accent);flex:none;margin-top:7px}
/* api explorer */
.explorer{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--dark-border);border:1px solid var(--dark-border);border-radius:0;overflow:hidden;margin-top:40px}
.exp-in,.exp-out{background:#141613;padding:22px 24px}
.exp-h{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.exp-field{margin-bottom:12px}
.exp-field label{display:block;font-family:var(--mono);font-size:11px;color:var(--soft);margin-bottom:6px}
.exp-field select,.exp-field .exp-inp{width:100%;background:#101210;border:1px solid var(--dark-border);border-radius:0;color:#EEF0E9;padding:11px 13px;font-size:13px;font-family:var(--mono)}
.exp-run{margin-top:6px}
.exp-scene{height:170px;border:1px solid var(--dark-border);border-radius:0;background:linear-gradient(var(--dark-border) 1px,transparent 1px) 0 0/100% 28px,linear-gradient(90deg,var(--dark-border) 1px,transparent 1px) 0 0/28px 100%,radial-gradient(120% 120% at 50% 40%,#1d201c,#101210);position:relative;overflow:hidden;margin-bottom:14px}
.exp-scene svg{position:absolute;inset:0;width:100%;height:100%}
.exp-res{font-family:var(--mono);font-size:12.5px;color:#C9CCC3;white-space:pre-wrap;line-height:1.7}
.exp-res .kw{color:var(--accent)}
/* docs infra */
.docs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:40px}
.doc-tile{border:1px solid var(--border);border-radius:0;background:var(--surface);padding:18px 20px;transition:.2s;display:flex;flex-direction:column;gap:6px}
.doc-tile:hover{border-color:var(--fg)}
.doc-tile h3{font-size:15px}
.doc-tile p{color:var(--muted);font-size:12.5px}
.doc-tile .dt-status{font-family:var(--mono);font-size:11px;color:var(--accent);margin-top:auto}
/* footer */
.foot{border-top:1px solid var(--dark-border);padding-block:64px 40px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:32px}
.foot h4{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--soft);margin-bottom:16px;font-weight:400}
.foot a{display:block;color:#C9CCC3;font-size:14px;padding:5px 0;transition:color .2s}
.foot a:hover{color:var(--accent)}
.foot-brand .brand{display:inline-flex;align-items:center;gap:11px;padding:0;color:#EEF0E9}
.foot-brand .lead{color:var(--soft);font-size:14px;margin-top:14px;max-width:32ch}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:48px;padding-top:24px;border-top:1px solid var(--dark-border);font-size:13px;color:var(--soft)}
/* responsive */
@media(max-width:1080px){.api-grid{grid-template-columns:1fr 1fr}.sdk-grid,.docs-grid{grid-template-columns:1fr 1fr}}
@media(max-width:920px){
  .navlinks,.navcta .sign,.navcta .btn{display:none}
  .menu-btn{display:flex}
  .qs,.feat,.explorer{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){.api-grid,.sdk-grid,.docs-grid{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal{transform:none!important;opacity:1!important}}

/* Extracted inline styles */
.od-inline-1{margin-top:18px !important}
.od-inline-2{margin-top:26px !important;display:flex !important;gap:12px !important;flex-wrap:wrap !important}
.od-inline-3{margin-top:16px !important;font-family:var(--mono) !important;font-size:12px !important;color:var(--muted) !important}
.od-inline-4{margin-top:0 !important}