:root{--navy:#0b1f3a;--navy2:#132d52;--ink:#1b2430;--muted:#4a5568;--bg:#f6f8fb;--accent:#3b82f6;--accent-d:#1d4ed8;--line:#dde3ec}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
a{color:var(--accent-d)}a:focus-visible,button:focus-visible{outline:3px solid #fbbf24;outline-offset:2px}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem;z-index:99}
.wrap{max-width:1100px;margin:0 auto;padding:0 1.25rem}
header.top{background:var(--navy);color:#fff;position:sticky;top:0;z-index:10}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-top:.8rem;padding-bottom:.8rem}
.brand{display:inline-flex;align-items:center;flex:none;line-height:0;text-decoration:none}.brand svg{display:block;height:48px;width:auto}
@media(max-width:760px){.brand svg{height:42px}}
nav ul{display:flex;gap:1.1rem;list-style:none;margin:0;padding:0;flex-wrap:wrap}
nav a{color:#e2e8f0;text-decoration:none;font-size:.95rem}nav a:hover{color:#fff;text-decoration:underline}
.lang{background:transparent;border:1px solid #93c5fd;color:#fff;border-radius:6px;padding:.35rem .7rem;cursor:pointer;font-weight:600}
.hero{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;padding:5rem 0 4.5rem}
.eyebrow{text-transform:uppercase;letter-spacing:2px;color:#93c5fd;font-weight:700;font-size:.85rem}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.15;margin:.5rem 0 1rem;max-width:20ch}
.hero p{font-size:1.15rem;color:#e2e8f0;max-width:62ch}
.btn{display:inline-block;background:#fff;color:var(--navy);padding:.8rem 1.3rem;border-radius:8px;font-weight:700;text-decoration:none;margin:1.2rem .6rem 0 0}
.btn.ghost{background:transparent;color:#fff;border:2px solid #93c5fd}
section{padding:4.2rem 0}section.alt{background:var(--bg)}
h2{font-size:clamp(1.6rem,3.5vw,2.2rem);color:var(--navy);margin:0 0 .6rem}
.lead{color:var(--muted);max-width:70ch;margin-bottom:2rem}
.grid{display:grid;gap:1.2rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:1.4rem}
.card h3{margin:.1rem 0 .5rem;color:var(--navy);font-size:1.1rem}.card p{margin:0;color:var(--muted)}
.tags{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;padding:0;margin:0}
.tags li{background:#e8eef8;color:var(--navy);border-radius:999px;padding:.35rem .85rem;font-size:.92rem;font-weight:600}
.stack h3{color:var(--navy);margin:1.4rem 0 .6rem;font-size:1rem}
.qi{background:var(--navy);color:#fff}.qi h2{color:#fff}.qi .lead{color:#cbd5e1}
.qi ul.feat{padding-left:1.2rem}.qi li{margin:.35rem 0;color:#e2e8f0}.qi a{color:#93c5fd}
.contact-list{list-style:none;padding:0}.contact-list li{margin:.5rem 0;font-size:1.05rem}
footer{background:var(--navy);color:#cbd5e1;padding:1.6rem 0;font-size:.9rem}
@media(max-width:760px){nav ul{display:none}.hero{padding:3.5rem 0}}
.lang{text-decoration:none;display:inline-block;font-size:.95rem}
.btn.solid{background:var(--navy);color:#fff;border:0;cursor:pointer;font-size:1rem;font-family:inherit}
.btn.solid:hover{background:var(--navy2)}.btn.solid:disabled{opacity:.6;cursor:wait}
.contact-grid{display:grid;gap:2rem;grid-template-columns:minmax(0,3fr) minmax(0,2fr);align-items:start}
.cform{background:#fff;border:1px solid var(--line);border-radius:12px;padding:1.4rem}
.cform .row{margin-bottom:1rem}.cform label{display:block;font-weight:600;color:var(--navy);margin-bottom:.3rem}
.cform input,.cform textarea{width:100%;font:inherit;padding:.65rem .75rem;border:1px solid #b8c3d4;border-radius:8px;color:var(--ink);background:#fff}
.cform input:focus,.cform textarea:focus{outline:3px solid #fbbf24;outline-offset:1px;border-color:var(--accent-d)}
.cform .btn{margin-top:.2rem}
.hp{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.small{font-size:.9rem;color:var(--muted)}
.status{min-height:1.5em;margin:.8rem 0 0;font-weight:600}.status.ok{color:#166534}.status.err{color:#b91c1c}.status.busy{color:var(--muted)}
.foot{display:flex;flex-wrap:wrap;gap:1rem;align-items:center}.foot a{color:#93c5fd}
.doc{padding:3rem 0 4rem}.narrow{max-width:780px}.doc h1{color:var(--navy);font-size:clamp(1.8rem,4vw,2.5rem);margin:0 0 .3rem}
.doc h2{font-size:1.25rem;margin:1.8rem 0 .4rem}.doc li{margin:.3rem 0}
.nf{min-height:70vh}.nf-pt{margin-top:3rem;padding-top:2rem;border-top:1px solid rgba(147,197,253,.4)}.nf-pt h2{color:#fff}
@media(max-width:760px){.contact-grid{grid-template-columns:1fr}}
.feat-list{padding-left:1.2rem}.feat-list li{margin:.4rem 0}
.founder-links{display:flex;flex-wrap:wrap;gap:1.2rem}
.post-list{list-style:none;padding:0;margin:1.5rem 0 0;display:grid;gap:1rem}.post-item h2{font-size:1.2rem;margin:0 0 .2rem}.post-item h2 a{color:var(--navy);text-decoration:none}.post-item h2 a:hover{text-decoration:underline}.post-item p{margin:.2rem 0}
.post h2{margin-top:2rem}.post code{background:#e8eef8;border-radius:4px;padding:.05rem .3rem}
section[id]{scroll-margin-top:4.5rem}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:2.5rem;align-items:center}
.hero-media{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:var(--navy2);border:1px solid rgba(147,197,253,.35);box-shadow:0 18px 40px rgba(3,10,24,.45)}
.hero-media video{display:block;width:100%;height:100%;object-fit:cover;background:var(--navy2)}
.unmute{position:absolute;top:.75rem;left:.75rem;display:inline-flex;align-items:center;gap:.45rem;background:#fff;color:var(--navy);border:0;border-radius:999px;padding:.45rem .95rem;font:inherit;font-size:.9rem;font-weight:700;cursor:pointer;box-shadow:0 4px 14px rgba(3,10,24,.35)}
.unmute:hover{background:#e8eef8}.unmute[hidden]{display:none}
@media(max-width:900px){.hero-grid{display:flex;flex-direction:column;align-items:stretch;gap:0}.hero-text{display:contents}.hero .eyebrow{order:1;margin:0}.hero h1{order:2}.hero-media{order:3;margin:.3rem 0 1.2rem}.hero-text>p:not(.eyebrow){order:4;margin-top:0}.hero-ctas{order:5}}