:root{--mid:#0E0B16;--surf:#1E1B2E;--surf2:#26223b;--gold:#E0A93E;--cream:#F5EFE0;--lav:#b6abe0;--muted:#9a93b4}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--mid);color:var(--cream);font:17px/1.65 "Segoe UI",system-ui,Arial,sans-serif}
a{color:var(--gold)}
a:focus-visible,button:focus-visible,video:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:#1a1206;padding:10px 16px;border-radius:0 0 8px 0;z-index:100;font-weight:700}
.skip:focus{left:0}
header.site{position:sticky;top:0;background:rgba(14,11,22,.94);backdrop-filter:blur(6px);border-bottom:1px solid #241f38;z-index:50}
.bar{max-width:1080px;margin:0 auto;display:flex;align-items:center;gap:14px;padding:10px 20px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--cream);text-decoration:none;font-size:1.15rem}
.brand img{width:38px;height:38px;border-radius:50%}
nav.main{margin-left:auto}
nav.main ul{list-style:none;display:flex;gap:6px;margin:0;padding:0;flex-wrap:wrap}
nav.main a{color:var(--cream);text-decoration:none;padding:7px 12px;border-radius:8px;font-size:.97rem}
nav.main a:hover{background:var(--surf)}
nav.main a[aria-current="page"]{color:var(--gold);background:var(--surf)}
main{max-width:1080px;margin:0 auto;padding:20px 20px 60px}
.wrap-narrow{max-width:780px;margin:0 auto}
h1{font-size:2.5rem;line-height:1.15;color:var(--gold);margin:.4em 0 .2em}
h2{font-size:1.5rem;color:var(--gold);margin:1.6em 0 .4em}
h3{font-size:1.15rem;color:var(--cream);margin:1.2em 0 .3em}
p,li{color:var(--cream)}
.lead{font-size:1.25rem;color:var(--lav)}
.btn{display:inline-block;background:var(--gold);color:#1a1206;font-weight:800;padding:13px 26px;border-radius:999px;text-decoration:none;margin:8px 8px 8px 0}
.btn.ghost{background:transparent;color:var(--gold);border:2px solid var(--gold)}
.btn-yt{display:inline-flex;align-items:center;gap:10px;background:#FF0000;color:#fff;font-weight:700;padding:11px 22px 11px 16px;border-radius:12px;text-decoration:none;margin:8px 8px 8px 0;font-size:1.25rem;line-height:1}
.btn-yt:hover{background:#e60000}.btn-yt svg{flex:0 0 auto}
.card{background:var(--surf);border:1px solid #2e2a44;border-radius:14px;padding:22px 24px;margin:16px 0}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.usecase{background:var(--surf);border:1px solid #2e2a44;border-radius:14px;padding:20px}
.usecase h3{margin-top:0;color:var(--gold)}
.hero{display:grid;gap:24px;grid-template-columns:1fr;align-items:center;margin:14px 0 8px}
@media(min-width:820px){.hero{grid-template-columns:1.05fr .95fr}}
.hero video{width:100%;height:auto;aspect-ratio:16/9;border-radius:16px;border:1px solid #2e2a44;background:#000;display:block}
.medianote{font-size:.9rem;color:var(--muted);margin-top:6px}
.carousel{position:relative;margin:26px 0}
.carousel .frame{position:relative;width:100%;aspect-ratio:16/9;border-radius:16px;overflow:hidden;border:1px solid #2e2a44;background:var(--surf)}
.carousel .frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .8s ease}
@media (prefers-reduced-motion:reduce){.carousel .frame img{transition:none}}
.carousel .frame img.on{opacity:1}
.carousel .playpause{position:absolute;right:12px;bottom:12px;z-index:2;width:42px;height:42px;border-radius:50%;background:rgba(20,18,32,.72);color:var(--cream);border:1px solid #2e2a44;cursor:pointer;font-size:1rem;line-height:1;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}
.carousel .playpause:hover{background:rgba(40,36,60,.92)}
.carousel .playpause:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.libgrid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));margin:20px 0}
.libcard{background:var(--surf);border:1px solid #2e2a44;border-radius:12px;overflow:hidden}
.libcard img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.libcard .body{padding:12px 14px}
.libcard .t{font-weight:700;font-size:.98rem;line-height:1.3;color:var(--cream)}
.libcard .m{font-size:.85rem;color:var(--muted);margin-top:6px}
.libcard a{display:block;text-decoration:none}
.libcard a:hover .t{color:var(--gold)}
.disclaimer{background:#2a2015;border:1px solid var(--gold);border-radius:12px;padding:16px 20px;margin:22px 0;color:var(--cream)}
.disclaimer strong{color:var(--gold)}
.cite{font-size:.92rem;color:var(--muted)}
.cite ol{padding-left:20px}
.step{display:flex;gap:14px;align-items:flex-start;margin:14px 0}
.step .n{flex:0 0 auto;width:38px;height:38px;border-radius:50%;background:var(--gold);color:#1a1206;font-weight:800;display:flex;align-items:center;justify-content:center}
footer.site{border-top:1px solid #241f38;margin-top:40px}
.fwrap{max-width:1080px;margin:0 auto;padding:26px 20px;display:flex;gap:20px;flex-wrap:wrap;justify-content:space-between;color:var(--muted);font-size:.92rem}
footer.site a{color:var(--lav);text-decoration:none;margin-right:14px}
footer.site a:hover{text-decoration:underline}
.tag{display:inline-block;background:var(--surf);border:1px solid #2e2a44;border-radius:999px;padding:4px 12px;font-size:.85rem;color:var(--lav);margin:3px 6px 3px 0}