/* BDS Backup Drive — standalone documentation site, no tracking or external assets. */
:root{
  color-scheme:dark;
  --bg:#0b1420;--surface:#111f2c;--surface2:#172b3a;--edge:#344755;
  --ink:#f5f5f1;--soft:#c1cbd0;--gold:#d6ae69;--focus:#f9d694;
  --content:1040px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(ellipse at 82% -18%,#223b43 0,transparent 54%),var(--bg);color:var(--ink);font:400 16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:var(--gold);text-underline-offset:3px}a:hover{color:#f5dba9}
a:focus-visible{outline:3px solid var(--focus);outline-offset:4px;border-radius:2px}
.skip-link{position:absolute;top:-100px;left:20px;z-index:99;background:var(--gold);color:#131b24;padding:.65rem 1rem}
.skip-link:focus{top:15px}
.wrap{width:min(calc(100% - 42px),var(--content));margin-inline:auto}
.site-header{border-bottom:1px solid rgba(214,174,105,.24);background:rgba(11,20,32,.85)}
.site-header .wrap{min-height:77px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-block:12px}
.brand{text-decoration:none;color:var(--ink);display:inline-flex;align-items:center;gap:13px;font-size:.94rem;font-weight:750;letter-spacing:.055em}
.brand:hover{color:var(--ink)}.brand-mark{width:39px;height:39px;border:1px solid var(--gold);display:grid;place-items:center;color:var(--gold);font-size:.85rem;letter-spacing:0}
.nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px 22px}.nav a{color:var(--soft);font-size:.9rem;text-decoration:none}.nav a[aria-current="page"],.nav a:hover{color:var(--gold)}
.eyebrow{color:var(--gold);font-weight:750;letter-spacing:.14em;font-size:.77rem;text-transform:uppercase}
.hero{padding:clamp(58px,11vw,116px) 0 60px}.hero h1{font-size:clamp(2.5rem,7vw,5.2rem);line-height:1.07;letter-spacing:-.055em;max-width:900px;margin:15px 0 27px}.hero .lead{font-size:clamp(1.05rem,2.3vw,1.27rem);max-width:760px;color:var(--soft);line-height:1.72;margin-bottom:30px}
.pill{display:inline-block;border:1px solid #755e3e;border-radius:999px;padding:7px 14px;color:var(--gold);font-size:.84rem;background:rgba(214,174,105,.07)}
.actions{display:flex;gap:13px;align-items:center;flex-wrap:wrap;margin-top:27px}.button{display:inline-block;border:1px solid var(--gold);border-radius:6px;padding:11px 18px;background:var(--gold);color:#19212a;font-weight:750;text-decoration:none}.button:hover{color:#101a24;background:#f3cd8e}.button.alt{color:var(--gold);background:transparent}
.section{padding:42px 0 58px;border-top:1px solid var(--edge)}.section h2,.paper h1{font-size:clamp(1.75rem,3.5vw,2.55rem);letter-spacing:-.035em;line-height:1.18;margin:8px 0 17px}.intro{max-width:760px;color:var(--soft)}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:31px}.card{background:linear-gradient(150deg,var(--surface),#101d28);border:1px solid var(--edge);border-radius:11px;padding:26px 23px;min-height:228px}.step{color:var(--gold);font-size:.77rem;font-weight:750;letter-spacing:.13em}.card h3{margin:11px 0 7px;font-size:1.1rem}.card p{color:var(--soft);font-size:.95rem;margin:0}
.split{display:grid;grid-template-columns:1.2fr 1fr;gap:42px;align-items:start}.aside{padding:25px;border:1px solid #6f603f;border-radius:10px;background:rgba(214,174,105,.07)}.aside h3{margin-top:0;color:var(--gold)}.aside p:last-child{margin-bottom:0}
dl{margin:27px 0 0}dt{font-weight:700;color:var(--ink)}dd{margin:0 0 19px;color:var(--soft)}
.paper{padding:55px 0 82px;max-width:790px}.paper .date{color:var(--soft);font-size:.92rem;margin-top:0}.paper h2{margin:2.1rem 0 .7rem;font-size:1.28rem}.paper p,.paper li{color:var(--soft)}.paper li{margin-bottom:.6rem}.paper h1{margin-bottom:10px}
.status{color:var(--soft);font-size:.91rem;padding:14px 16px;border-left:3px solid var(--gold);background:var(--surface)}
.site-footer{border-top:1px solid var(--edge);padding:33px 0 43px;color:var(--soft);font-size:.87rem}.site-footer .wrap{display:flex;gap:15px;flex-wrap:wrap;justify-content:space-between}.site-footer p{margin:0}.site-footer a{color:var(--soft)}
@media(max-width:760px){.cards{grid-template-columns:1fr}.card{min-height:unset}.split{grid-template-columns:1fr;gap:26px}.hero{padding-top:58px}.nav{gap:10px 18px}.site-header .wrap{align-items:flex-start}.brand{font-size:.85rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}