:root{color-scheme:dark;--bg:#0d1424;--surface:#172033;--text:#f4f7fb;--muted:#b6c1d2;--accent:#1f6feb;--link:#9fc4ff;--border:#39465d;--radius:1rem}
*{box-sizing:border-box}
html{font-family:system-ui,-apple-system,"Segoe UI",Tahoma,sans-serif;background:var(--bg);color:var(--text);line-height:1.8;scroll-padding-top:1rem}
body{margin:0;font-size:1rem}
a{color:var(--link);text-underline-offset:.25em}
a:hover{color:var(--text)}
a:focus-visible{outline:3px solid #a8d4ff;outline-offset:4px}
img{max-width:100%;height:auto}
.wrap{width:min(100% - 2rem,68rem);margin-inline:auto}
.skip{position:absolute;inset-inline-start:1rem;top:-8rem;z-index:2;padding:.75rem 1rem;background:var(--text);color:var(--bg)}
.skip:focus{top:1rem;color:var(--bg)}
.header{border-bottom:1px solid var(--border)}
.header .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem 1.5rem;padding-block:1rem}
.brand{display:inline-flex;align-items:center;gap:.75rem;min-height:44px;color:var(--text);font-size:1.5rem;font-weight:750;text-decoration:none}
.brand img{width:44px;height:44px;object-fit:contain}
nav ul{display:flex;flex-wrap:wrap;gap:.25rem 1rem;list-style:none;padding:0;margin:0}
nav a{display:inline-flex;align-items:center;min-height:44px;padding-block:.25rem}
nav a[aria-current=page]{color:var(--text);font-weight:700}
main{padding-block:2.5rem 4rem}
h1,h2,h3{line-height:1.45;text-wrap:balance;margin-block:0 1rem}
h1{font-size:clamp(1.8rem,4vw,2.8rem);max-width:24ch}
h2{font-size:1.5rem}
h3{font-size:1.125rem}
p{margin-block:0 1rem}
.intro{max-width:48rem}
.eyebrow{color:var(--link);font-weight:700;margin-bottom:.5rem}
.lead{font-size:1.125rem;color:var(--muted);max-width:56ch}
.actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-block:1.5rem 0}
.button{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:.6rem 1.25rem;border:1px solid var(--border);border-radius:.75rem;text-decoration:none;font-weight:700;color:var(--text)}
.button.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.button:hover{background:var(--surface)}
.button.primary:hover{background:#1859be}
section{margin-top:3rem}
.steps{list-style:none;counter-reset:step;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.steps li{counter-increment:step;padding:1.25rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}
.steps li:before{content:counter(step,decimal-leading-zero);display:block;color:var(--link);font-weight:750;margin-bottom:.5rem}
.steps p{color:var(--muted);margin:0}
.content{max-width:48rem}
.content ul,.content ol{padding-inline-start:1.5rem}
.content li{margin-bottom:.5rem}
.note{padding:1rem 1.25rem;border-inline-start:3px solid var(--link);background:var(--surface);border-radius:.5rem;margin-block:1.5rem}
.note p:last-child{margin-bottom:0}
.crumbs{color:var(--muted);font-size:.875rem;margin-bottom:1.5rem}
.crumbs ol{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;padding:0;margin:0}
.crumbs li+li:before{content:"/";margin-inline-end:.5rem}
.topics{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;padding-inline-start:1.25rem;color:var(--muted)}
.footer{border-top:1px solid var(--border);padding-block:1.5rem;color:var(--muted)}
.footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem 2rem}
.footer p{margin:0}
.footer nav a{font-size:.875rem}
.contact{overflow-wrap:anywhere}
code,bdi{direction:ltr;unicode-bidi:isolate}
code{font-size:.95em;color:var(--text)}
@media(max-width:48rem){.steps{grid-template-columns:1fr}.header .wrap{align-items:flex-start}.header nav{width:100%}main{padding-block:2rem 3rem}section{margin-top:2rem}.footer .wrap{display:block}.footer nav{margin-top:.75rem}}
@media(prefers-reduced-motion:no-preference){a{transition:color .12s ease,background-color .12s ease}}