@font-face{font-family:"IBM Plex Sans";src:url("/fonts/plex-sans-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url("/fonts/plex-sans-500.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url("/fonts/plex-sans-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url("/fonts/plex-mono-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}

@font-face{font-family:"IBM Plex Serif";src:url("/fonts/plex-serif-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}

/* Carbon Plate. Light paper is the default; dark is a preference. Brass is graphic only. */
:root{
  color-scheme:light dark;
  --bg:#EFECE6;
  --surface:#FAF8F4;
  --sunk:#E6E2DA;
  --ink:#161513;
  --muted:#5C574F;
  --accent:#2C2926;
  --accent-hover:#161513;
  --on-accent:#FAF8F4;
  --pin:#C4A35A;
  --line:color-mix(in srgb,#2C2926 14%,transparent);
  --line-strong:color-mix(in srgb,#2C2926 28%,transparent);
  --tint:color-mix(in srgb,#2C2926 6%,transparent);
  --shadow:0 1px 0 rgba(44,41,38,.04), 0 18px 40px -26px rgba(44,41,38,.32);
  --radius:12px;
  --wrap:72rem;
  --prose:40rem;
  --sans:"IBM Plex Sans",ui-sans-serif,system-ui,-apple-system,sans-serif;
  --serif:"IBM Plex Serif",Georgia,"Times New Roman",serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#14120F;--surface:#1F1C17;--sunk:#29251F;
    --ink:#E8E5DF;--muted:#A39C90;
    --accent:#E8E5DF;--accent-hover:#FAF8F4;--on-accent:#14120F;
    --pin:#D8BC7C;
    --line:color-mix(in srgb,#E8E5DF 14%,transparent);
    --line-strong:color-mix(in srgb,#E8E5DF 30%,transparent);
    --tint:color-mix(in srgb,#E8E5DF 8%,transparent);
    --shadow:0 1px 0 rgba(0,0,0,.4), 0 18px 40px -26px rgba(0,0,0,.7);
  }
}
:root[data-theme="dark"]{
  --bg:#14120F;--surface:#1F1C17;--sunk:#29251F;
  --ink:#E8E5DF;--muted:#A39C90;
  --accent:#E8E5DF;--accent-hover:#FAF8F4;--on-accent:#14120F;
  --pin:#D8BC7C;
  --line:color-mix(in srgb,#E8E5DF 14%,transparent);
  --line-strong:color-mix(in srgb,#E8E5DF 30%,transparent);
  --tint:color-mix(in srgb,#E8E5DF 8%,transparent);
  --shadow:0 1px 0 rgba(0,0,0,.4), 0 18px 40px -26px rgba(0,0,0,.7);
}
.mark circle{fill:var(--pin)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.6;font-size:1.0625rem;min-height:100vh;display:flex;flex-direction:column}
img,svg{display:block;max-width:100%;height:auto}
a{color:var(--accent);text-underline-offset:.18em}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.skip{position:absolute;left:1rem;top:-4rem;z-index:20;padding:.75rem 1rem;background:var(--surface);color:var(--ink);border-radius:8px}
.skip:focus{top:1rem}
.wrap{width:min(var(--wrap),calc(100% - 2.5rem));margin-inline:auto}
.prose{width:min(var(--prose),100%)}
.visually-hidden{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

.chrome{position:sticky;top:0;z-index:10}
.nav{
  background:color-mix(in srgb,var(--surface) 92%,transparent);
  backdrop-filter:saturate(1.1) blur(14px);
  -webkit-backdrop-filter:saturate(1.1) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;gap:.25rem 1rem;
  min-height:4.25rem;
  flex-wrap:nowrap;
}
.nav .brand-lockup{flex:0 0 auto}
.nav-links{
  display:flex;align-items:center;gap:.25rem .15rem;
  margin-left:auto;flex-wrap:wrap;justify-content:flex-end;
  list-style:none;
}
.nav-links a, a.signin, a.signup{
  color:var(--ink);text-decoration:none;
  font-size:.875rem;font-weight:500;
  padding:.45rem .7rem;border-radius:999px;
}
.nav-links a:hover, a.signin:hover{background:var(--tint);color:var(--ink)}
.nav-links a[aria-current="page"]{background:var(--tint);color:var(--ink);pointer-events:none}
.nav-auth{
  display:flex;align-items:center;gap:.4rem;
  flex:0 0 auto;
}
a.signin, a.signup{
  flex:0 0 auto;
  padding:.45rem 1rem;
}
a.signin{
  border:1px solid var(--line-strong);
}
a.signin:hover{background:var(--tint);border-color:var(--accent);color:var(--ink)}
a.signup{background:var(--accent);color:var(--on-accent);font-weight:600;}
a.signup:hover{background:var(--accent-hover);color:var(--on-accent)}

.docs-bar{
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.docs-bar-inner{
  display:flex;align-items:center;gap:.35rem 1rem;
  min-height:2.85rem;
  flex-wrap:wrap;
  padding:.25rem 0;
}
.docs-topics{
  display:flex;align-items:center;flex-wrap:wrap;
  gap:.1rem .05rem;
  list-style:none;
}
.docs-topics a{
  color:var(--ink);text-decoration:none;
  font-size:.8125rem;font-weight:500;
  padding:.35rem .65rem;border-radius:999px;
}
.docs-topics a:hover{background:color-mix(in srgb,var(--accent) 10%,transparent);color:var(--ink)}
.docs-topics a[aria-current="page"]{
  background:var(--accent-hover);color:var(--on-accent);pointer-events:none;
}
.docs-search{
  position:relative;
  margin-left:auto;
  flex:1 1 12rem;
  max-width:20rem;
}
.docs-search input{
  width:100%;
  font:inherit;font-size:.875rem;
  padding:.4rem .85rem;
  border:1px solid color-mix(in srgb,var(--accent) 28%,transparent);
  border-radius:999px;
  background:var(--surface);color:var(--ink);
}
.docs-search input:focus{outline:3px solid var(--accent);outline-offset:2px}
.docs-results{
  position:absolute;left:0;right:0;top:calc(100% + .4rem);
  z-index:12;
  background:var(--surface);
  border:1px solid color-mix(in srgb,var(--accent) 22%,transparent);
  border-radius:12px;
  box-shadow:var(--shadow);
  list-style:none;
  max-height:min(22rem,70vh);
  overflow:auto;
  padding:.35rem 0;
}
.docs-results[hidden]{display:none}
.docs-results a{
  display:block;
  padding:.5rem .9rem;
  text-decoration:none;color:var(--ink);
  font-size:.875rem;font-weight:500;
}
.docs-results a .desc{
  display:block;
  margin-top:.1rem;
  color:var(--muted);font-size:.75rem;font-weight:400;
  line-height:1.35;
}
.docs-results a[aria-selected="true"],
.docs-results a:hover{
  background:color-mix(in srgb,var(--accent) 10%,transparent);
  color:var(--ink);
}
.docs-results .empty{
  padding:.55rem .9rem;
  color:var(--muted);font-size:.875rem;
}

.hero{
  position:relative;
  overflow:hidden;
  isolation:isolate;
  color:var(--ink);
  padding:1.85rem 0 2rem;
  border-bottom:1px solid var(--line);
  background:var(--bg);
}
.hero-mark{
  position:absolute;
  right:-10%;
  top:50%;
  transform:translateY(-46%);
  width:min(22rem,52vw);
  opacity:.06;
  pointer-events:none;
  z-index:-1;
}
.hero-inner{display:grid;gap:.75rem;justify-items:start;max-width:40rem;position:relative;z-index:1}
.hero h1{
  font-size:clamp(1.55rem,3.8vw,2.15rem);
  font-weight:600;letter-spacing:-.03em;line-height:1.1;
}
.hero-lede{
  font-size:clamp(1rem,1.8vw,1.15rem);
  line-height:1.45;color:var(--ink);
  max-width:34rem;
}

.brand-lockup{
  display:flex;flex-direction:row;flex-wrap:nowrap;align-items:center;gap:.65rem;
  width:auto;margin:0;
  color:var(--ink);text-decoration:none;
  font-size:inherit;font-weight:inherit;
}
.brand-lockup .mark{flex:0 0 auto;width:1.5rem;height:1.5rem}
.brand-text{display:flex;flex-direction:column;gap:.1rem;min-width:0}
.brand-name{
  font-weight:600;letter-spacing:-.02em;line-height:1.1;font-size:1.05rem;
}
.brand-tag{
  font-weight:400;font-size:.6875rem;line-height:1.2;letter-spacing:0;
  color:var(--muted);white-space:nowrap;
}

main{flex:1;padding:2.5rem 0 3.5rem}
.prose h1{
  font-size:clamp(1.55rem,3.8vw,2.05rem);
  font-weight:600;letter-spacing:-.03em;line-height:1.15;
  color:var(--ink);margin:0 0 .85rem;
}
h2{
  font-size:1.35rem;font-weight:600;letter-spacing:-.02em;
  color:var(--ink);margin:2.5rem 0 .75rem;
}
h2:first-child{margin-top:0}
.lede{margin:0 0 1.1rem;color:var(--ink)}
.note{margin:0 0 1.1rem;color:var(--muted);font-size:.95rem}
.steps{margin:0 0 1.15rem;padding:0 0 0 1.35rem}
.steps li{margin:0 0 .7rem;padding-left:.2rem}
.steps li::marker{font-weight:600;color:var(--accent)}
ul.plain{margin:0 0 1.15rem;padding:0 0 0 1.2rem}
ul.plain li{margin:0 0 .55rem}
code{
  font-family:var(--mono);font-size:.86em;
  background:var(--tint);padding:.1em .35em;border-radius:4px;
  word-break:break-word;
}
pre{
  overflow-x:auto;
  background:var(--surface);
  border:1px solid color-mix(in srgb,var(--accent) 22%,transparent);
  border-radius:12px;
  padding:1rem 1.1rem;
  margin:.35rem 0 1.25rem;
  box-shadow:var(--shadow);
}
pre code{
  background:none;padding:0;font-size:.8125rem;line-height:1.5;
  color:var(--ink);word-break:normal;
}
strong{font-weight:600}

.cards{
  display:grid;
  gap:1rem;
  grid-template-columns:repeat(auto-fill,minmax(16.5rem,1fr));
  list-style:none;
  margin:1.35rem 0 0;
}
.card{
  display:block;
  height:100%;
  background:var(--surface);
  border:1px solid color-mix(in srgb,var(--accent) 22%,transparent);
  border-radius:var(--radius);
  padding:1.15rem 1.25rem 1.3rem;
  text-decoration:none;
  color:var(--ink);
  box-shadow:var(--shadow);
}
.card h2{margin:0 0 .4rem;font-size:1.12rem;color:var(--ink)}
.card p{margin:0;color:var(--muted);font-size:.9375rem;line-height:1.45}
.card:hover{border-color:var(--accent);color:var(--ink)}
.card:hover h2{color:var(--accent)}

footer{
  padding:2.5rem 0 3rem;
  background:var(--surface);
  color:var(--muted);
  border-top:1px solid var(--line);
  font-family:var(--mono);font-size:.75rem;
  margin-top:auto;
}
.foot{
  display:flex;flex-wrap:wrap;gap:.75rem 1.5rem;
  align-items:center;justify-content:space-between;
}
.foot a{color:var(--muted);text-decoration:none}
.foot a:hover{color:var(--ink)}
.foot .brand-lockup,
.foot .brand-lockup:hover{font-family:var(--sans);color:var(--ink)}
.foot .brand-lockup .mark{width:1.35rem;height:1.35rem}
.foot .brand-lockup .brand-name{font-size:.95rem}
.foot .brand-lockup .brand-tag{font-size:.625rem;color:var(--muted)}
.foot code{
  background:var(--tint);
  color:var(--ink);
}

@media (max-width:40rem){
  .wrap{width:min(var(--wrap),calc(100% - 2rem))}
  .nav-inner{
    display:grid;
    grid-template-columns:1fr auto;
    grid-template-areas:
      "logo auth"
      "links links";
    gap:.1rem .75rem;
    min-height:0;
    padding:.55rem 0 .4rem;
    align-items:center;
  }
  .nav .brand-lockup{grid-area:logo}
  .nav-auth{grid-area:auth}
  .nav-links{
    grid-area:links;
    margin-left:0;
    justify-content:flex-start;
    flex-wrap:nowrap;
  }
  .nav-links a{padding:.35rem .45rem .45rem 0;font-size:.8125rem}
  a.signin, a.signup{padding:.4rem .75rem;font-size:.8125rem}
  .hero-mark{width:min(20rem,80vw);right:-28%;top:18%;transform:none;opacity:.04}
  .docs-search{max-width:none;flex:1 1 100%;margin-left:0}
}

/* Carbon Plate: headings in Plex Serif, as on the nameplate. */
h1,h2,.brand-name{font-family:var(--serif)}
h1 .brand-tag{font-family:var(--sans)}
.mock h1,.mock h2,.mock h3{font-family:var(--sans)}