/* Shipzo guides – long-form reading layout: narrow article column, sticky table of contents on wide screens. */
:root{
  --bg:#0b0d11; --bg2:#0f1217; --panel:#141820; --panel2:#1a1f29; --line:#252b37; --line2:#313847;
  --text:#e9ecf1; --muted:#9aa3b2; --dim:#5d6677; --brand:#ff6b35; --brand2:#ff8f61; --ok:#3ddc97; --warn:#f5b041; --info:#6aa9ff;
  --mono:"IBM Plex Mono",ui-monospace,Consolas,monospace; --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif; --display:"Space Grotesk","IBM Plex Sans",sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.75 var(--sans)}
a{color:var(--brand2)}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
.wrap{max-width:1160px;margin:0 auto;padding-inline:24px}
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(11,13,17,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:24px;height:62px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font:700 19px var(--display)}
.logo{width:30px;height:30px;border-radius:8px;background:var(--brand);display:grid;place-items:center;color:#fff}
.logo svg{width:20px;height:20px}
.nav nav{display:flex;gap:20px;font-size:14px}
.nav nav a{color:var(--muted);text-decoration:none}
.nav nav a:hover,.nav nav a[aria-current]{color:var(--text)}
.nav .cta{margin-left:auto;display:flex;gap:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 16px;border-radius:9px;border:1px solid var(--line2);background:var(--panel2);color:var(--text);font:600 14px var(--sans);text-decoration:none;white-space:nowrap}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand2)}
.btn.ghost{background:transparent;border-color:transparent;color:var(--muted)}
.crumbs{font-size:14px;color:var(--dim);padding-top:28px}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--text)}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:56px;padding-block:18px 80px}
article{max-width:720px;min-width:0}
article h1{font:700 clamp(30px,4.4vw,44px)/1.12 var(--display);letter-spacing:-.02em;margin:10px 0 14px;text-wrap:balance}
.meta{font-size:14px;color:var(--dim);display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.lede{font-size:19px;color:var(--muted);margin:0 0 26px}
.tldr{border:1px solid rgba(61,220,151,.35);background:rgba(61,220,151,.06);border-radius:12px;padding:16px 20px;margin:0 0 34px}
.tldr b{display:block;font:600 13px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ok);margin-bottom:6px}
.tldr ol,.tldr ul{margin:0;padding-left:20px}
article h2{font:700 27px/1.25 var(--display);letter-spacing:-.015em;margin:46px 0 12px;text-wrap:balance}
article h3{font:600 20px/1.35 var(--display);margin:30px 0 8px}
article p{margin:0 0 16px}
article ul,article ol{margin:0 0 18px;padding-left:22px}
article li{margin-bottom:6px}
article li::marker{color:var(--dim)}
code{font:0.88em var(--mono);background:var(--panel2);border:1px solid var(--line);padding:1px 6px;border-radius:5px}
pre{background:#07090c;border:1px solid var(--line);border-radius:10px;padding:16px 18px;overflow-x:auto;margin:0 0 20px;font:14px/1.65 var(--mono);color:#d5dbe5}
pre code{background:none;border:0;padding:0;font-size:inherit}
.file{font:12px var(--mono);color:var(--dim);margin:0 0 6px}
.note{border-left:3px solid var(--info);background:var(--panel);border-radius:0 10px 10px 0;padding:12px 16px;margin:0 0 20px;font-size:16px;color:var(--muted)}
.note.warn{border-left-color:var(--warn)}
.note b{color:var(--text)}
table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:15px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font:600 12px var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--dim)}
.tbl{overflow-x:auto}
.cta-box{margin:44px 0 10px;padding:26px;border-radius:14px;border:1px solid rgba(255,107,53,.45);background:radial-gradient(420px 160px at 0% 0%,rgba(255,107,53,.14),transparent 70%),var(--panel)}
.cta-box h2{margin:0 0 8px;font-size:24px}
.cta-box p{color:var(--muted)}
.faq details{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:14px 18px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::after{content:"+";color:var(--brand2);font-size:20px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:10px 0 0;color:var(--muted)}
aside.toc{position:sticky;top:90px;align-self:start;font-size:14px}
aside.toc b{display:block;font:600 12px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin-bottom:10px}
aside.toc a{display:block;color:var(--muted);text-decoration:none;padding:4px 0 4px 12px;border-left:2px solid var(--line)}
aside.toc a:hover{color:var(--text);border-left-color:var(--brand)}
.related{margin-top:40px}
.related h2{font-size:20px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.card{display:block;padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--panel);text-decoration:none;color:var(--text)}
.card:hover{border-color:var(--line2)}
.card span{font:12px var(--mono);color:var(--brand2)}
.card b{display:block;font:600 17px/1.35 var(--display);margin:6px 0}
.card p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.55}
.hub-head{padding-block:40px 10px;max-width:720px}
.hub-head h1{font:700 clamp(32px,4.6vw,48px)/1.1 var(--display);letter-spacing:-.02em;margin:10px 0 12px}
.hub-head p{color:var(--muted);font-size:18px}
.eyebrow{font:500 12px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--brand2)}
footer{border-top:1px solid var(--line);padding-block:26px;color:var(--dim);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between}
footer a{color:var(--muted);text-decoration:none;margin-left:16px}
@media (max-width:980px){.layout{grid-template-columns:minmax(0,1fr)}aside.toc{display:none}.nav nav{display:none}}
@media (max-width:600px){body{font-size:16px}.wrap{padding-inline:16px}.nav .cta .ghost{display:none}footer a{margin:0 16px 0 0}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}