:root{
  --paper:#edf0f5; --panel:#f8f9fc; --ink:#10141c; --mute:#4a5365; --line:#cfd5e1;
  --accent:#3d5afe; --accent-ink:#fff; --layer1:#c9d1f5; --layer2:#a7b4f2;
  --font:"Avenir Next","Helvetica Neue",Helvetica,Arial,system-ui,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root{
  --paper:#0d1017; --panel:#151a24; --ink:#e8ecf4; --mute:#a2abbd; --line:#2a3242;
  --accent:#8fa3ff; --accent-ink:#0d1017; --layer1:#232c52; --layer2:#34417d;
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.65 var(--font);overflow-wrap:break-word}
.wrap{max-width:60rem;margin:0 auto;padding:0 1rem}
a{color:var(--ink);text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:3px}
a:hover{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:3px}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--accent-ink);padding:.5rem 1rem;z-index:10}
.skip:focus{left:0}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.px{position:absolute;left:0;top:0;width:1px;height:1px;opacity:0;pointer-events:none}

.top{border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:3.5rem;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.5rem;font-weight:800;font-size:1.15rem;letter-spacing:-.02em;text-decoration:none;color:var(--ink)}
.brand svg{color:var(--ink)}
.top nav{display:flex;gap:1.25rem;font-size:.95rem;flex-wrap:wrap}
.top nav a{text-decoration:none;color:var(--mute)}
.top nav a:hover{color:var(--accent)}

h1,h2,h3{font-weight:800;letter-spacing:-.025em;line-height:1.1;margin:0}
h1{font-size:clamp(2.1rem,6.2vw,3.9rem);max-width:17ch;letter-spacing:-.035em}
h2{font-size:clamp(1.5rem,3.4vw,2.1rem);margin:3rem 0 1rem}
h3{font-size:1.1rem;letter-spacing:-.01em;margin-bottom:.4rem}
p{margin:0 0 1rem}
.lede{font-size:1.2rem;line-height:1.6;max-width:42rem;color:var(--ink)}
.measure{max-width:42rem}
.fine{font-size:.9rem;color:var(--mute);max-width:42rem}
code{font-family:var(--mono);font-size:.92em;background:var(--panel);border:1px solid var(--line);padding:.08em .35em;border-radius:4px}

.hero{padding:clamp(2.5rem,8vw,5.5rem) 0 1rem}
.hero h1{margin-bottom:1.25rem}
.stack{margin:2.25rem 0 1.5rem;padding-right:14px;max-width:34rem}

.cmd{position:relative;display:flex;align-items:center;justify-content:space-between;gap:.75rem;background:var(--panel);border:2px solid var(--ink);border-radius:10px;padding:.75rem .75rem .75rem 1.1rem;
  box-shadow:6px 6px 0 -1px var(--layer1),6px 6px 0 1px var(--ink),12px 12px 0 -1px var(--layer2),12px 12px 0 1px var(--ink);margin:0 0 1.75rem}
.stack .cmd{margin:0}
.cmd code{border:0;background:none;padding:0;font-size:clamp(1rem,4.6vw,1.35rem);font-weight:600;white-space:nowrap;overflow-x:auto;user-select:all}
.copy{font:700 .9rem var(--font);background:var(--accent);color:var(--accent-ink);border:0;border-radius:6px;padding:.6rem 1rem;cursor:pointer;min-width:5.6rem}
.copy:hover{filter:brightness(1.08)}
.page .cmd{max-width:30rem;margin-right:auto}

.block{padding:1rem 1rem 0}
.cols{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem 2.5rem;margin-top:1.5rem}
.cols div{border-top:2px solid var(--ink);padding-top:.9rem}
.cols p{color:var(--mute);margin:0}
.steps{list-style:none;counter-reset:s;margin:1.5rem 0;padding:0;display:grid;gap:1.25rem}
.steps li{counter-increment:s;position:relative;padding:0 0 0 3.2rem;max-width:42rem}
.steps li::before{content:counter(s);position:absolute;left:0;top:-.1rem;width:2.2rem;height:2.2rem;border-radius:7px;background:var(--accent);color:var(--accent-ink);font-weight:800;display:grid;place-items:center}
.steps p{margin:0 0 .6rem}
.plain{max-width:42rem;padding-left:1.2rem}
.plain li{margin-bottom:.5rem}

.note{background:var(--panel);border:1px solid var(--line);border-left:6px solid var(--accent);border-radius:8px;padding:1rem 1.25rem;margin:1.75rem 0;max-width:42rem}
.note h2{font-size:1.1rem;margin:0 0 .5rem}
.note ul{margin:0;padding-left:1.1rem}
.note li{margin-bottom:.3rem}

.tablewrap{overflow-x:auto;margin:1.25rem 0;border:1px solid var(--line);border-radius:8px;background:var(--panel)}
table{border-collapse:collapse;width:100%;min-width:34rem;font-size:.95rem;line-height:1.45}
th,td{text-align:left;padding:.7rem .9rem;border-bottom:1px solid var(--line);vertical-align:top}
thead th{font-weight:700;background:transparent;border-bottom:2px solid var(--ink);white-space:nowrap}
tbody th{font-weight:700}
tr:last-child th,tr:last-child td{border-bottom:0}
tr.us{background:var(--layer1)}
tr.us th{color:var(--ink)}

.faq details{border-top:1px solid var(--line);padding:.9rem 0;max-width:42rem}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:700;list-style:none;padding-right:1.5rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:0;font-weight:400;font-size:1.3rem;line-height:1.2}
.faq details[open] summary::after{content:"\2212"}
.faq .ans{padding-top:.6rem;color:var(--mute)}

.page{padding-top:clamp(2rem,6vw,4rem);padding-bottom:1rem}
.page h1{margin-bottom:1.25rem;max-width:22ch}
.page h2:first-of-type{margin-top:2.5rem}

.foot{margin-top:5rem;border-top:1px solid var(--line);padding:2rem 0 3rem;font-size:.92rem;color:var(--mute)}
.foot p{max-width:42rem;margin-bottom:.6rem}
.foot a{color:var(--mute)}
.foot .links{display:flex;flex-wrap:wrap;gap:.5rem 1.25rem;margin-top:1rem}

@media (max-width:640px){
  .cols{grid-template-columns:1fr}
  body{font-size:1rem}
  .cmd{padding-left:.8rem}
  .copy{padding:.6rem .8rem;min-width:4.6rem}
}
@media (prefers-reduced-motion:no-preference){
  .hero .stack{animation:settle .7s cubic-bezier(.2,.8,.2,1) both}
  @keyframes settle{from{transform:translate(-8px,-8px);opacity:.4}}
}