:root{--bg:#080b10;--surface:#0e151d;--text:#e8edf2;--muted:#8a96a3;--line:#25313d;--accent:#48f5a0;--blue:#59a8ff;--mono:"SFMono-Regular",Consolas,monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.7 Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit}.guide-header{height:70px;display:flex;justify-content:space-between;align-items:center;padding:0 clamp(1.2rem,5vw,5rem);border-bottom:1px solid var(--line)}.guide-header a{text-decoration:none;font:600 .72rem var(--mono);text-transform:uppercase}.guide-header a:first-child{color:var(--accent)}.guide-hero{padding:clamp(5rem,10vw,9rem) clamp(1.2rem,9vw,10rem);border-bottom:1px solid var(--line);background:radial-gradient(circle at 80% 20%,rgba(72,245,160,.1),transparent 25%)}.eyebrow{margin:0 0 1.2rem;color:var(--accent);font:.68rem var(--mono);letter-spacing:.12em;text-transform:uppercase}h1,h2,h3{line-height:1.05;letter-spacing:-.045em}h1{max-width:900px;margin:0;font-size:clamp(3.5rem,8vw,7.5rem);font-weight:500}.summary{max-width:700px;margin:2rem 0;color:var(--muted);font-size:clamp(1rem,1.5vw,1.25rem)}.meta{display:flex;flex-wrap:wrap;gap:.6rem}.meta span{padding:.45rem .7rem;border:1px solid var(--line);font:.6rem var(--mono);text-transform:uppercase}.guide-layout{display:grid;grid-template-columns:260px minmax(0,760px);gap:clamp(3rem,8vw,9rem);justify-content:center;padding:clamp(4rem,8vw,8rem) clamp(1.2rem,6vw,6rem)}aside{align-self:start;position:sticky;top:2rem;padding:1.3rem;border:1px solid var(--line);background:var(--surface)}aside strong{font:.62rem var(--mono);text-transform:uppercase}aside ol{margin:1rem 0 0;padding-left:1.2rem;color:var(--muted);font-size:.82rem}aside a{text-decoration:none}aside a:hover{color:var(--accent)}.guide-content section{padding:0 0 4rem;margin-bottom:4rem;border-bottom:1px solid var(--line)}.step-label{color:var(--accent);font:.62rem var(--mono);text-transform:uppercase}.guide-content h2{margin:.6rem 0 1.4rem;font-size:clamp(2rem,4vw,3.5rem);font-weight:500}.guide-content h3{margin:2rem 0 .7rem;font-size:1.25rem}.guide-content p,.guide-content li{color:var(--muted)}.parts{display:grid;grid-template-columns:1fr 1fr;gap:1px;padding:0;background:var(--line);border:1px solid var(--line);list-style:none}.parts li{margin:0;padding:1rem;background:var(--surface)}pre{overflow:auto;padding:1.2rem;border:1px solid #2c3a46;background:#05080c;color:#b9fbd6;font:.78rem/1.8 var(--mono);white-space:pre-wrap}code{font-family:var(--mono)}.note,.warning{margin:1.5rem 0;padding:1rem 1.2rem;border-left:3px solid var(--blue);background:rgba(89,168,255,.06);color:var(--muted)}.warning{border-color:#ffb454;background:rgba(255,180,84,.06)}.checklist{padding:0;list-style:none}.checklist li::before{content:"✓";margin-right:.7rem;color:var(--accent)}.sources a{color:var(--accent)}.guide-footer{display:flex;justify-content:space-between;gap:2rem;padding:2rem clamp(1.2rem,5vw,5rem);border-top:1px solid var(--line);color:var(--muted);font:.6rem var(--mono);text-transform:uppercase}@media(max-width:760px){.guide-layout{grid-template-columns:1fr}aside{position:static}.parts{grid-template-columns:1fr}.guide-footer{flex-direction:column}}