@font-face{font-family:Inter;src:url(/fonts/inter-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Inter;src:url(/fonts/inter-500.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:Inter;src:url(/fonts/inter-600.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:Saira;src:url(/fonts/saira-500.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:Saira;src:url(/fonts/saira-600.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:Saira;src:url(/fonts/saira-700.woff2) format("woff2");font-weight:700;font-display:swap}

/* UbeCore brand: matches the Authentik login (brand purple #7C51C3 on deep violet) */
:root{
  --bg:#130d1d;--fg:#f3eefb;--muted:#b3a6c8;
  --brand:#7c51c3;--brand-hi:#9d7bdd;--link:#c3a8f2;
  --card:rgba(30,20,48,.72);--line:rgba(157,123,221,.28);--tint:rgba(124,81,195,.16);
  --display:Saira,Inter,system-ui,sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:400 17px/1.65 Inter,system-ui,-apple-system,"Segoe UI",sans-serif;min-height:100vh;position:relative}
/* fixed backdrop (pseudo-element so it also stays put on iOS) */
body::before{content:"";position:fixed;inset:0;z-index:-1;background:#130d1d url(/img/bg.jpg) center/cover no-repeat}
a{color:var(--link)}
.wrap{max-width:980px;margin:0 auto;padding:0 20px}

header{position:sticky;top:0;z-index:5;background:rgba(19,13,29,.72);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.mark{display:flex;align-items:center;gap:10px;color:var(--fg);text-decoration:none;font:700 19px/1 var(--display);letter-spacing:.16em;text-transform:uppercase}
.mark img{width:34px;height:34px}
nav a{color:var(--muted);text-decoration:none;font-size:15px;margin-left:18px}
nav a:hover{color:var(--fg)}

.hero{padding:76px 0 44px;text-align:center}
.hero .logo{width:132px;height:132px;filter:drop-shadow(0 10px 40px rgba(124,81,195,.45))}
.eyebrow{color:var(--brand-hi);font:600 13px/1.4 var(--display);letter-spacing:.22em;text-transform:uppercase}
.hero .eyebrow{margin-top:22px}
h1,h2,h3{font-family:var(--display);font-weight:700;letter-spacing:.01em}
h1{font-size:clamp(34px,6.4vw,56px);line-height:1.08;margin:12px 0 18px}
h2{font-size:28px;line-height:1.2;margin:0 0 14px}
h3{font-size:19px;margin:0 0 6px;font-weight:600}
.lede{font-size:19px;color:var(--muted);max-width:660px;margin:0 auto}
section{padding:40px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.card p{margin:0;color:var(--muted);font-size:15.5px}
.note{background:var(--tint);border:1px solid var(--line);border-radius:16px;padding:22px 24px}
.note p{margin:0}
.btn{display:inline-block;background:var(--brand);color:#fff;text-decoration:none;font-weight:600;padding:12px 22px;border-radius:10px;margin-top:26px;box-shadow:0 8px 30px rgba(124,81,195,.35)}
.btn:hover{background:var(--brand-hi)}

.doc{max-width:780px;padding-top:56px;padding-bottom:24px}
.doc .panel{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px 30px 18px;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.doc h1{font-size:clamp(30px,5vw,42px)}
.doc h2{font-size:21px;margin-top:30px}
.doc .updated{color:var(--muted);font-size:14px}
@media (max-width:520px){.doc .panel{padding:22px 18px 10px}}

footer{border-top:1px solid var(--line);margin-top:40px;padding:24px 0;color:var(--muted);font-size:14px;background:rgba(19,13,29,.6)}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}
footer a{color:var(--muted)}