:root{color-scheme:dark;--bg:#0b1118;--panel:#111c25;--line:#28353f;--text:#edf2f4;--muted:#a5b3bd;--accent:#83e8bd}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 'Segoe UI',Arial,sans-serif}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}button,input{font:inherit}button,a,input{ -webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:5px}h1,h2,h3,p{margin-top:0}header,main,footer{max-width:1320px;margin:auto}.header{padding:26px 52px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:24px}.brand{display:flex;align-items:center;gap:13px;font-size:26px;font-weight:650;letter-spacing:-1px}.symbol{background:var(--accent);color:#103d2f;border-radius:9px;padding:0 9px;font-size:25px}.symbol span{font-size:22px}.brand-sub{font-size:11px;color:var(--muted);font-weight:400;letter-spacing:.3px;margin-left:10px}nav{display:flex;gap:30px;font-size:13px}nav a:last-child{color:var(--accent)}.hero{padding:88px 52px 75px;display:grid;grid-template-columns:1.1fr 1fr;gap:70px;align-items:center}.eyebrow,.index,.section-rule{font-size:10px;font-weight:650;letter-spacing:1.8px}.eyebrow{color:var(--accent);margin-bottom:27px}.dot,.tiny-dot{width:6px;height:6px;display:inline-block;background:var(--accent);border-radius:50%;margin-right:9px}.hero h1{font-size:clamp(68px,7.8vw,106px);line-height:1.02;font-weight:500;letter-spacing:-6px;margin-bottom:30px}em{color:var(--accent);font-style:normal}.lead{color:var(--muted);font-size:17px;max-width:490px;line-height:1.85}.hero-actions{display:flex;align-items:center;gap:25px;margin-top:34px}.button{background:var(--accent);color:#0b2c20;display:inline-flex;gap:25px;padding:12px 19px;font-size:13px;font-weight:650;border-radius:5px}.button:hover{background:#b5f6da;color:#092319}.text-link{color:var(--accent);font-size:13px;font-weight:600}.hero-note{color:var(--muted);font-size:11px;margin:24px 0 0}.network{padding:26px 30px;background:radial-gradient(ellipse at 45% 40%,#193b3344,transparent 75%),#0d161e;border:1px solid var(--line);border-radius:12px}.network-top{display:flex;align-items:center;font-size:9px;letter-spacing:1.4px;color:var(--muted);margin-bottom:30px}.network-top>span:last-child{margin-left:auto}.network-node{display:flex;align-items:center;gap:17px;padding:17px;border:1px solid #355247;border-radius:7px;background:#142923}.upstream{background:#121e27;border-color:var(--line);padding:13px 17px}.node-icon{font-size:27px;color:var(--accent);font-weight:650;min-width:40px}.network-node small{display:block;font-size:8px;letter-spacing:1.6px;color:var(--muted)}.network-node strong{font-weight:550;font-size:22px}.upstream strong{font-size:16px}.network-node p{font-size:11px;color:var(--muted);margin:2px 0 0}.node-tag{margin-left:auto;color:var(--accent);font-size:8px;letter-spacing:1px;border:1px solid #355247;padding:2px 6px}.connector{margin-left:38px;height:44px;border-left:1px dashed #4e7c69;display:flex;align-items:center;padding-left:20px;font-size:8px;letter-spacing:1.3px;color:#a5bcb0}.endpoints{display:flex;justify-content:space-between;gap:8px;margin-top:24px}.endpoints span{font-size:9px;color:var(--muted);border:1px solid var(--line);padding:6px 12px;border-radius:3px}.diagram-note{font-size:9px;text-align:center;color:var(--muted);margin:22px 0 0}.section-rule{display:flex;justify-content:space-between;color:var(--muted);border-top:1px solid var(--line);padding-top:19px;margin:0 52px}.product{padding:70px 52px;display:grid;grid-template-columns:1fr 1fr;gap:95px;border-bottom:1px solid var(--line)}.index{color:var(--muted)}.product h2{font-size:61px;letter-spacing:-3px;line-height:1.15;margin:20px 0 8px;font-weight:500}.product h2 span{color:var(--accent)}.product-kind{color:var(--muted);font-size:17px}.status{font-size:10px;color:var(--accent);border:1px solid #355247;border-radius:20px;padding:5px 11px;display:inline-block}.product h3{font-size:32px;line-height:1.2;letter-spacing:-.7px;font-weight:500}.product-body>p{color:var(--muted);font-size:14px}.feature-rows{margin:26px 0}.feature-rows>div{border-top:1px solid var(--line);padding:12px 0}.feature-rows strong{display:block;font-size:13px;font-weight:600}.feature-rows span{font-size:12px;color:var(--muted)}.product-body .limitation{font-size:11px;margin-top:22px;max-width:460px}.documentation{padding:55px 0 60px}.documentation .section-rule{margin-bottom:50px}.docs-heading{padding:0 52px;display:flex;align-items:end;justify-content:space-between;gap:30px}.docs-heading h2,.updates h2{font-size:42px;line-height:1.16;letter-spacing:-1.5px;font-weight:500}.docs-heading .eyebrow{margin-bottom:18px}.docs-heading>p{color:var(--muted);font-size:13px;max-width:350px;margin-bottom:30px}.docs-controls{margin:20px 52px;display:flex;justify-content:space-between;align-items:center;gap:20px}.filters{display:flex;gap:7px}.filters button{cursor:pointer;border:1px solid var(--line);color:var(--muted);background:transparent;border-radius:4px;padding:8px 14px;font-size:12px}.filters button.active{color:#09251c;background:var(--accent);border-color:var(--accent)}.search{display:flex;align-items:center;gap:12px;font-size:10px;color:var(--muted)}.search input{border:1px solid var(--line);border-radius:4px;color:var(--text);background:#111c25;padding:9px 12px;font-size:12px;width:240px}.guide-list{margin:30px 52px 0}.guide{display:grid;grid-template-columns:65px 1fr 20px;gap:20px;align-items:center;padding:20px 0;border-top:1px solid var(--line)}.guide-product{font-size:11px;color:var(--accent);border:1px solid #355247;border-radius:4px;text-align:center;padding:7px}.guide small{display:block;color:var(--muted);font-size:8px;letter-spacing:1.5px;margin-bottom:3px}.guide strong{font-size:15px;font-weight:500}.guide>span:last-child{color:var(--accent)}[hidden]{display:none!important}#empty{margin:30px 52px;color:var(--muted)}.updates{padding:54px 52px 80px;background:#101b23;border-block:1px solid var(--line)}.update-row{display:grid;grid-template-columns:150px 1fr auto;gap:30px;align-items:start;border-top:1px solid var(--line);padding-top:28px}.update-row time{font-size:10px;color:var(--muted);letter-spacing:1px}.update-row h3{font-size:17px;font-weight:500;margin-bottom:8px}.update-row p{color:var(--muted);font-size:13px;max-width:550px;margin:0}footer{display:flex;align-items:center;justify-content:space-between;padding:36px 52px;font-size:12px;color:var(--muted)}footer .brand{color:var(--accent)}footer .brand span{color:var(--text)}footer small{font-size:10px}.skip{position:fixed;top:-100px;left:10px;background:var(--accent);color:#09251c;padding:10px;z-index:10}.skip:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.docs-layout{display:grid;grid-template-columns:240px 1fr;gap:70px;padding:60px 52px 90px}.docs-nav a{display:block;font-size:13px;color:var(--muted);padding:12px 0;border-bottom:1px solid var(--line)}.docs-nav a[aria-current]{color:var(--accent)}.article{max-width:760px}.article h1{font-size:46px;line-height:1.15;letter-spacing:-1.5px;font-weight:500}.doc-meta{font-size:11px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:25px;margin-bottom:35px}.article section{margin:32px 0}.article h2{font-size:22px;font-weight:500;display:flex;gap:16px}.step{font-size:12px;color:var(--accent);padding-top:7px}.article section p{color:var(--muted);font-size:15px}.notice{background:var(--panel);border-left:2px solid var(--accent);padding:18px;font-size:12px;color:var(--muted);margin:35px 0}@media(max-width:1000px){.header{padding:22px 28px}.brand-sub{display:none}.hero{gap:30px;padding:65px 28px}.hero h1{font-size:80px}.network{padding:20px}.section-rule{margin-inline:28px}.product{padding:55px 28px;gap:40px}.docs-heading{padding-inline:28px}.docs-controls,.guide-list{margin-inline:28px}.updates{padding-inline:28px}.docs-layout{gap:35px;padding:40px 28px}.update-row{grid-template-columns:120px 1fr}.update-row .status{grid-column:2}}@media(max-width:700px){.header{flex-wrap:wrap;padding:18px 22px;gap:14px}.brand{font-size:23px}nav{gap:20px;font-size:11px;width:100%}.hero{grid-template-columns:1fr;padding:48px 22px;gap:38px}.hero h1{font-size:78px;letter-spacing:-4px}.hero .eyebrow{font-size:8px}.lead{font-size:16px}.hero-actions{gap:18px}.hero-note{font-size:10px}.network{max-width:480px;width:100%}.section-rule{margin-inline:22px;font-size:8px;letter-spacing:1px}.product{grid-template-columns:1fr;padding:45px 22px;gap:28px}.product h2{font-size:53px}.product h3{font-size:29px}.docs-heading{display:block;padding-inline:22px}.docs-heading h2,.updates h2{font-size:35px}.docs-controls{margin-inline:22px;align-items:start;flex-direction:column}.search{width:100%;display:block}.search span{display:block;margin-bottom:6px}.search input{width:100%}.guide-list{margin-inline:22px}.guide{gap:14px;grid-template-columns:48px 1fr 15px}.guide strong{font-size:13px}.updates{padding:40px 22px}.update-row{grid-template-columns:1fr;gap:15px}.update-row .status{grid-column:auto;justify-self:start}footer{padding:28px 22px;gap:20px;flex-wrap:wrap}.docs-layout{grid-template-columns:1fr;padding:35px 22px;gap:35px}.article h1{font-size:36px}.docs-nav{border-bottom:1px solid var(--line);padding-bottom:20px}.docs-nav .eyebrow{margin-bottom:12px}.docs-nav a{padding:7px 0}.article h2{font-size:20px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Color exploration: blue default, violet, and a light cobalt option. */
:root{--bg:#0c1220;--panel:#141f32;--line:#2b3b54;--text:#edf3fc;--muted:#a7b6cb;--accent:#7db5ff;--accent-bg:#162d49;--on-accent:#0a2444;--sbc:#7db5ff;--pbx:#b6a1ff}

:root{color-scheme:light;--bg:#f7f8fc;--panel:#edf1f8;--line:#d2dae8;--text:#15243b;--muted:#52657f;--accent:#225fc9;--accent-bg:#e4edfc;--on-accent:#fff;--sbc:#225fc9;--pbx:#754ac2}
.symbol,.button,.filters button.active{background:var(--accent);color:var(--on-accent)}.button:hover{background:var(--text);color:var(--bg)}.network{background:radial-gradient(ellipse at 45% 40%,var(--accent-bg),transparent 85%),var(--bg)}.network-node,.upstream{background:var(--panel);border-color:var(--line)}.network-node.edge .node-icon,.network-node.edge strong,#sbc h2 span{color:var(--sbc)}.network-node.core .node-icon,.network-node.core strong,#pbx h2 span{color:var(--pbx)}.node-tag,.status,.guide-product{border-color:var(--line)}.connector{border-color:var(--muted);color:var(--muted)}.search input,.updates{background:var(--panel)}select{background:var(--panel);color:var(--text);border:1px solid var(--line);padding:9px;border-radius:5px;font:inherit}.offering{padding:65px 52px;border-bottom:1px solid var(--line)}.offering .docs-heading{padding:0}.offering h2{font-size:42px;font-weight:500;letter-spacing:-1.4px;line-height:1.2}.offer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:30px}.offer-grid article{border-top:2px solid var(--accent);padding:23px 0}.offer-grid h3{font-size:20px;font-weight:500;margin:18px 0 12px}.offer-grid p,.license-rows p,.portal>p.limitation{font-size:13px;color:var(--muted)}.license-rows{margin-top:35px}.license-rows>div{display:grid;grid-template-columns:220px 1fr;gap:35px;border-top:1px solid var(--line);padding:20px 0}.license-rows h3{font-size:17px;font-weight:500;margin:0}.license-rows p{margin:0;max-width:680px}.limitation{font-size:11px;color:var(--muted)}.docs-controls{flex-wrap:wrap}.version-picker{font-size:10px;color:var(--muted);display:grid;gap:5px}.version-picker select{font-size:12px}.portal-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:start}.portal details{border:1px solid var(--line);border-radius:6px;background:var(--panel);padding:20px}.portal summary{cursor:pointer;font-size:16px;font-weight:500}.portal summary span{float:right;color:var(--accent)}.portal details>p{font-size:13px;color:var(--muted);margin-top:20px}.portal-form label{display:grid;font-size:11px;gap:6px;margin:15px 0;color:var(--muted)}.portal-form input,.portal-form textarea{min-width:0;width:100%;border:1px solid var(--line);padding:10px;background:var(--bg);color:var(--text);border-radius:4px;font:inherit}.portal-form textarea{resize:vertical}.portal-form .button{border:0;cursor:pointer}.form-status{font-size:12px;color:var(--accent);margin:15px 0 0}select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}@media(max-width:1000px){.offering{padding-inline:28px}nav{gap:16px}.header{flex-wrap:wrap}.portal-grid{grid-template-columns:1fr}.offer-grid{gap:20px}}@media(max-width:700px){nav{flex-wrap:wrap;gap:12px 20px}.offering{padding:45px 22px}.offering h2{font-size:34px}.offer-grid{grid-template-columns:1fr;gap:10px}.license-rows>div{grid-template-columns:1fr;gap:10px}.docs-controls{align-items:stretch}.version-picker select{width:100%}.portal-grid{grid-template-columns:1fr}}

nav a[aria-current="page"]{color:var(--accent);border-bottom:2px solid var(--accent);padding-bottom:5px}nav a:last-child{color:inherit}.breadcrumb{padding:30px 52px 0;display:flex;gap:12px;color:var(--muted);font-size:12px}.home-projects{padding:20px 52px 65px}.home-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.home-card{display:block;background:var(--panel);border:1px solid var(--line);padding:32px;border-radius:8px}.home-card h2{font-size:36px;letter-spacing:-1px;font-weight:500;margin:15px 0 12px}.home-card p{color:var(--muted);font-size:14px}.home-card:hover{border-color:var(--accent)}.docs-layout .article{min-width:0}@media(max-width:700px){.breadcrumb{padding:24px 22px 0}.home-projects{padding:15px 22px 45px}.home-grid{grid-template-columns:1fr}.home-card{padding:25px}}