/* SPDX-License-Identifier: Apache-2.0 */

:root{
  --ink:#0b254b;
  --ink-2:#17365f;
  --muted:#5d6c83;
  --line:#dce4ee;
  --blue:#1769ff;
  --blue-dark:#0753d3;
  --wash:#f6f8fb;
  --wash-blue:#eef5ff;
  --paper:#ffffff;
  --green:#0f8a5f;
  --max:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);background:var(--paper);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.55;-webkit-font-smoothing:antialiased;
}
a{color:inherit}
.wrap{width:min(calc(100% - 40px),var(--max));margin:0 auto}
.topbar{
  position:sticky;top:0;z-index:30;background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,228,238,.9)
}
nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:780;letter-spacing:-.025em}
.brand img{width:46px;height:38px;object-fit:contain;display:block}
.navlinks{display:flex;align-items:center;gap:22px;font-size:14px;color:var(--muted)}
.navlinks a{text-decoration:none}
.navlinks a:hover{color:var(--ink)}
.nav-cta{border:1px solid #bfd3f7;background:var(--wash-blue);color:#174f9c;border-radius:8px;padding:7px 11px;font-weight:700}

.hero{padding:92px 0 80px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:76px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid #bfd3f7;background:var(--wash-blue);color:#164e9e;border-radius:999px;padding:7px 11px;font-size:12px;font-weight:780;letter-spacing:.035em;text-transform:uppercase}
.dot{width:7px;height:7px;border-radius:50%;background:var(--blue)}
h1{font-size:clamp(50px,7vw,86px);line-height:.97;letter-spacing:-.058em;margin:18px 0 26px;max-width:900px}
.lead{font-size:clamp(19px,2.1vw,25px);color:var(--muted);max-width:800px;line-height:1.46}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 17px;border-radius:9px;border:1px solid var(--line);text-decoration:none;font-weight:700;font-size:14px;transition:.14s ease}
.btn.primary{color:#fff;background:var(--ink);border-color:var(--ink)}
.btn.blue{color:#fff;background:var(--blue);border-color:var(--blue)}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(15,39,76,.08)}
.hero-note{margin-top:30px;border-left:3px solid var(--blue);padding:1px 0 1px 16px;color:var(--muted);font-size:14px;max-width:690px}
.hero-mark{position:relative}
.hero-mark::before{content:"";position:absolute;inset:-24%;background:radial-gradient(circle,rgba(23,105,255,.12),transparent 65%);z-index:-1}
.hero-mark img{width:100%;max-width:430px;margin:auto;display:block}

section{padding:86px 0}
section.alt{background:var(--wash)}
.eyebrow{color:var(--blue-dark);font-size:13px;font-weight:820;letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px}
h2{font-size:clamp(34px,4.3vw,54px);line-height:1.05;letter-spacing:-.043em;margin:0 0 20px}
.section-intro{color:var(--muted);font-size:19px;max-width:820px;margin:0 0 46px}

.standard-grid,.community-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.standard-card{border-top:3px solid var(--ink);padding:18px 5px 8px;text-decoration:none;min-width:0}
.standard-card:first-child{border-color:var(--blue)}
.standard-card .sid{font-size:11px;font-weight:850;letter-spacing:.1em;color:var(--blue-dark);text-transform:uppercase}
.standard-card h3{font-size:18px;margin:5px 0 8px;letter-spacing:-.02em}
.standard-card p{margin:0;color:var(--muted);font-size:14px}

.stack-demo{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center;margin-top:62px}
.stack{width:min(100%,470px);margin:auto}
.slice{border:1px solid #ccd7e5;background:#fff;min-height:75px;display:flex;align-items:center;justify-content:space-between;padding:15px 20px;margin-top:-1px}
.slice:first-child{border-radius:12px 12px 0 0}
.slice:last-child{border-radius:0 0 12px 12px;background:var(--ink);color:#fff}
.slice-name{font-weight:820}
.slice-desc{color:var(--muted);font-size:13px}
.slice:last-child .slice-desc{color:#c0cde0}
.ports{display:flex;gap:5px}
.port{width:22px;height:15px;border:2px solid currentColor;opacity:.43;border-radius:3px}
.cable{height:9px;width:69%;border-right:2px solid var(--blue);margin-left:auto}
.demo-copy blockquote{margin:28px 0 0;padding:18px 22px;background:var(--wash-blue);border-left:3px solid var(--blue);font-size:20px;font-weight:680;letter-spacing:-.015em}

.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 36px}
.principle{border-top:1px solid var(--line);padding-top:18px}
.principle .num{color:var(--blue);font-size:13px;font-weight:820}
.principle h3{margin:7px 0 8px;font-size:20px;letter-spacing:-.025em}
.principle p{margin:0;color:var(--muted);font-size:15px}

.manifesto{columns:2;column-gap:56px}
.manifesto-item{break-inside:avoid;padding:0 0 27px}
.manifesto-item h3{margin:0 0 7px;font-size:17px;letter-spacing:-.02em}
.manifesto-item p{color:var(--muted);margin:0;font-size:14px}
.manifesto-item strong{color:var(--blue-dark);margin-right:7px}

.projects{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.project{border:1px solid var(--line);border-radius:13px;padding:26px;background:#fff}
.project.featured{border-color:#bfd3f7;background:linear-gradient(180deg,#fff,#f8fbff)}
.project[href]{display:block;color:inherit;text-decoration:none;transition:.14s ease}
.project[href]:hover{border-color:#8fb6f4;transform:translateY(-2px);box-shadow:0 8px 24px rgba(15,39,76,.08)}
.project[href]:focus-visible{outline:3px solid rgba(23,105,255,.35);outline-offset:3px}
.project-top{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}
.project h3{margin:0;font-size:26px;letter-spacing:-.035em}
.status{background:var(--wash-blue);color:#1553a5;border:1px solid #ccddfa;border-radius:999px;padding:5px 9px;font-size:11px;font-weight:820;text-transform:uppercase;letter-spacing:.06em;white-space:nowrap}
.project p{color:var(--muted)}
.specs{display:flex;gap:8px;flex-wrap:wrap;margin-top:17px}
.spec{background:var(--wash);border-radius:6px;padding:5px 8px;font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

.community-grid{grid-template-columns:repeat(4,1fr)}
.community-card{border:1px solid var(--line);border-radius:13px;padding:22px;text-decoration:none;background:#fff;transition:.14s ease}
.community-card:hover{border-color:#b9cbe6;transform:translateY(-2px)}
.community-card .emoji{font-size:24px}
.community-card h3{margin:9px 0 7px;font-size:18px;letter-spacing:-.02em}
.community-card p{margin:0;color:var(--muted);font-size:14px}
.community-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}

.status-section{background:var(--ink);color:#fff}
.status-section .eyebrow{color:#7facff}
.status-section .section-intro{color:#c1ccdc}
.status-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:52px}
.status-list{padding-left:20px;color:#cbd5e4}
.status-list li{margin:10px 0}
.status-note{border:1px solid #34517d;background:#102c58;border-radius:12px;padding:25px}
.status-note strong{color:#fff}
.status-note p{color:#c9d3e4;margin-bottom:0}

footer{padding:42px 0 64px;color:var(--muted);font-size:13px}
.footer-grid{display:flex;justify-content:space-between;gap:24px;border-top:1px solid var(--line);padding-top:26px}
.footer-brand{display:flex;align-items:center;gap:9px;color:var(--ink);font-weight:770}
.footer-brand img{width:37px;height:31px;object-fit:contain}
.footer-links{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.footer-links a{text-decoration:none}
.footer-links a:hover{color:var(--ink)}

.doc-hero{padding:62px 0 34px;background:var(--wash)}
.doc-hero h1{font-size:clamp(40px,5vw,62px);margin:12px 0 15px}
.doc-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:52px;align-items:start;padding:52px 0 90px}
.doc{min-width:0}
.doc h1,.doc h2,.doc h3{scroll-margin-top:92px}
.doc h1{font-size:38px;margin:0 0 20px}
.doc h2{font-size:29px;margin-top:46px;padding-top:8px;border-top:1px solid var(--line)}
.doc h3{font-size:21px;margin-top:30px}
.doc p,.doc li{color:#263d5e}
.doc code{background:var(--wash);padding:.12em .34em;border-radius:4px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.doc pre{overflow:auto;background:#0d2345;color:#e9f0fa;border-radius:10px;padding:18px;font-size:13px}
.doc pre code{background:none;padding:0;color:inherit}
.doc blockquote{margin:24px 0;padding:15px 19px;border-left:3px solid var(--blue);background:var(--wash-blue)}
.doc table{border-collapse:collapse;width:100%;display:block;overflow:auto}
.doc th,.doc td{border-bottom:1px solid var(--line);padding:9px 13px;text-align:left}
.doc th{background:var(--wash)}
.side{position:sticky;top:94px;border-left:1px solid var(--line);padding-left:22px}
.side h4{margin:0 0 10px;font-size:12px;text-transform:uppercase;letter-spacing:.11em;color:var(--muted)}
.side a{display:block;text-decoration:none;padding:5px 0;color:var(--muted);font-size:14px}
.side a:hover{color:var(--ink)}
.meta-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.meta-badge{border:1px solid #c7d8f3;background:#fff;color:#174f9c;border-radius:999px;padding:5px 9px;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.05em}

.standards-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:32px}
.standards-list .card{border:1px solid var(--line);border-radius:14px;padding:24px;text-decoration:none;background:#fff}
.standards-list .card:hover{border-color:#b7c8df}
.standards-list .id{font-size:12px;color:var(--blue-dark);font-weight:830;letter-spacing:.08em}
.standards-list h2{font-size:23px;margin:7px 0 8px}
.standards-list p{color:var(--muted);margin:0}

@media(max-width:940px){
  .hero-grid,.stack-demo,.status-grid,.doc-grid{grid-template-columns:1fr}
  .hero-mark{order:-1;width:250px}
  .hero{padding-top:58px}
  .standard-grid{grid-template-columns:repeat(2,1fr)}
  .community-grid{grid-template-columns:repeat(2,1fr)}
  .principles{grid-template-columns:repeat(2,1fr)}
  .projects,.standards-list{grid-template-columns:1fr}
  .manifesto{columns:1}
  .side{position:static;border-left:0;border-top:1px solid var(--line);padding:20px 0 0}
}
@media(max-width:660px){
  .wrap{width:min(calc(100% - 28px),var(--max))}
  .navlinks a:not(.nav-keep){display:none}
  .hero{padding:48px 0 58px}
  section{padding:66px 0}
  .standard-grid,.community-grid,.principles{grid-template-columns:1fr}
  .footer-grid{flex-direction:column}
  .footer-links{justify-content:flex-start}
  .project-top{flex-direction:column}
}