/* Cadnat site styles. (c) 2026 Free Parameter LLC. All rights reserved. */
@font-face{font-family:"Plex Sans";src:url("/assets/fonts/plex-sans-var.woff2") format("woff2");font-weight:100 700;font-stretch:85% 100%;font-display:swap}
@font-face{font-family:"Plex Mono";src:url("/assets/fonts/plex-mono-400.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex Mono";src:url("/assets/fonts/plex-mono-600.woff2") format("woff2");font-weight:600;font-display:swap}

:root{
  --font: "Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --maxw: 1180px;
  --radius: 6px;
  --gap: clamp(1rem, 2.5vw, 2rem);
  color-scheme: dark light;
}
/* Dark (blueprint) is the default palette */
:root, [data-theme="dark"]{
  --bg:#08172a; --bg-2:#0c1f37; --panel:#0f2541; --panel-2:#13304f;
  --ink:#e8f0fa; --muted:#a6b9cf; --faint:#8ea6c1;
  --accent:#5cc8ff; --accent-ink:#04121f; --gold:#f0b43c; --red:#ff6b6b; --ok:#57d9a3;
  --line:rgba(140,196,255,.22); --grid:rgba(120,180,255,.07); --grid-major:rgba(120,180,255,.13);
  --shadow:0 10px 40px rgba(0,0,0,.35);
}
[data-theme="light"]{
  --bg:#f5f6f1; --bg-2:#eceee6; --panel:#ffffff; --panel-2:#f2f4ef;
  --ink:#0d1b2a; --muted:#44586c; --faint:#526476;
  --accent:#0a5ca3; --accent-ink:#ffffff; --gold:#8a5a00; --red:#b42318; --ok:#127a52;
  --line:rgba(10,60,110,.20); --grid:rgba(10,92,163,.05); --grid-major:rgba(10,92,163,.10);
  --shadow:0 10px 30px rgba(13,27,42,.10);
}
@media (prefers-color-scheme: light){
  :root:not([data-theme]){
    --bg:#f5f6f1; --bg-2:#eceee6; --panel:#ffffff; --panel-2:#f2f4ef;
    --ink:#0d1b2a; --muted:#44586c; --faint:#526476;
    --accent:#0a5ca3; --accent-ink:#ffffff; --gold:#8a5a00; --red:#b42318; --ok:#127a52;
    --line:rgba(10,60,110,.20); --grid:rgba(10,92,163,.05); --grid-major:rgba(10,92,163,.10);
    --shadow:0 10px 30px rgba(13,27,42,.10);
  }
}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{
  margin:0; font-family:var(--font); font-size:1.0625rem; line-height:1.6; color:var(--ink); background-color:var(--bg);
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size:120px 120px,120px 120px,24px 24px,24px 24px;
  background-position:-1px -1px;
  text-rendering:optimizeLegibility;
}
img,svg,video{max-width:100%;height:auto;display:block}
figure{margin:0}
a{color:var(--accent);text-underline-offset:.18em}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:3px}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .6em;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,5.6vw,4rem);font-weight:650}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem);font-weight:620}
h3{font-size:1.2rem;font-weight:620}
p{margin:0 0 1em}
code,kbd,pre,.mono{font-family:var(--mono);font-size:.92em}
pre{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.1rem;overflow:auto;line-height:1.5;font-size:.88rem}
code{background:var(--panel-2);border:1px solid var(--line);border-radius:4px;padding:.05em .35em}
pre code{background:none;border:0;padding:0}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:#000;padding:.6rem 1rem;z-index:100}
.skip:focus{left:1rem;top:1rem}
.wrap{width:min(100% - 2*var(--gap), var(--maxw));margin-inline:auto}
.section{padding-block:clamp(3.5rem,8vw,6.5rem);border-top:1px solid var(--line)}
.section--tight{padding-block:clamp(2.5rem,5vw,4rem)}
.eyebrow{font-family:var(--mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin:0 0 1rem;display:flex;gap:.6rem;align-items:center;flex-wrap:wrap}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor;display:inline-block}
.lead{font-size:clamp(1.1rem,2vw,1.3rem);color:var(--muted);max-width:62ch}
.muted{color:var(--muted)}
.small{font-size:.9rem}
.center{text-align:center}
.center .lead{margin-inline:auto}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:1rem;min-height:64px}
.brand{display:flex;align-items:center;gap:.55rem;color:var(--ink);text-decoration:none;font-weight:650;font-size:1.15rem;letter-spacing:.01em}
.brand svg{width:30px;height:30px}
.brand .by{font-family:var(--mono);font-size:.68rem;color:var(--faint);font-weight:400;letter-spacing:.06em;display:none}
@media (min-width:900px){.brand .by{display:inline}}
.nav-links{display:none;margin-left:auto;gap:.25rem;align-items:center;list-style:none;padding:0;margin-block:0}
.nav-links a{color:var(--muted);text-decoration:none;padding:.5rem .7rem;border-radius:4px;font-size:.95rem}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--ink);background:var(--panel)}
.nav-actions{display:flex;gap:.5rem;align-items:center;margin-left:auto}
@media (min-width:900px){.nav-links{display:flex}.nav-actions{margin-left:.5rem}.menu-btn{display:none!important}}
.icon-btn{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:6px;border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer}
.icon-btn svg{width:20px;height:20px}
.theme-btn .sun{display:none}
[data-theme="light"] .theme-btn .sun{display:block}
[data-theme="light"] .theme-btn .moon{display:none}
.mobile-nav{display:none;border-top:1px solid var(--line);padding:.5rem 0 1rem}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:.75rem .25rem;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line)}
@media (min-width:900px){.mobile-nav{display:none!important}}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:46px;padding:.7rem 1.2rem;border-radius:6px;font-weight:600;text-decoration:none;border:1px solid transparent;font-size:1rem;cursor:pointer;font-family:inherit;line-height:1.2}
.btn--primary{background:var(--accent);color:var(--accent-ink)}
.btn--primary:hover{filter:brightness(1.08)}
.btn--ghost{border-color:var(--line);color:var(--ink);background:var(--panel)}
.btn--ghost:hover{border-color:var(--accent)}
.btn--sm{min-height:38px;padding:.45rem .85rem;font-size:.92rem}
.btn[aria-disabled="true"]{opacity:.65;cursor:not-allowed}
.btn-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.5rem}

/* Hero */
.hero{padding-block:clamp(3rem,7vw,5.5rem) clamp(3rem,7vw,5rem)}
.hero-grid{display:grid;gap:clamp(2rem,5vw,3.5rem);align-items:center}
@media (min-width:980px){.hero-grid{grid-template-columns:.92fr 1.08fr}}
.hero h1 .brandword{color:var(--accent)}
.hero .sub{font-size:clamp(1.15rem,2.2vw,1.4rem);color:var(--muted);max-width:40ch;margin-bottom:.5rem}
.facts{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.75rem 0 0;padding:0;list-style:none}
.facts li{font-family:var(--mono);font-size:.78rem;color:var(--muted);border:1px solid var(--line);padding:.3rem .6rem;border-radius:3px;background:var(--panel)}
.hero-visual{position:relative}
.sheet{background:var(--panel);border:1px solid var(--line);border-radius:4px;box-shadow:var(--shadow);padding:10px}
.sheet svg{width:100%;height:auto}
.sheet figcaption{font-family:var(--mono);font-size:.72rem;color:var(--faint);padding:.4rem .2rem 0}
.phone{position:relative;margin:1.25rem auto 0;width:min(270px,72%);border:1px solid var(--line);border-radius:26px;background:var(--bg-2);padding:12px;box-shadow:var(--shadow)}
@media (min-width:980px){.hero-visual{padding-left:96px}.phone{position:absolute;left:0;bottom:-70px;margin:0;width:224px}}
.phone .notch{width:70px;height:6px;border-radius:6px;background:var(--line);margin:2px auto 10px}
.phone .chip{display:inline-flex;align-items:center;gap:.4rem;font-family:var(--mono);font-size:.7rem;color:var(--ok);border:1px solid var(--line);padding:.15rem .5rem;border-radius:20px}
.phone .chip::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ok)}
.phone .req{margin:.6rem 0;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:.55rem .65rem;font-size:.82rem;line-height:1.4}
.phone .log{font-family:var(--mono);font-size:.66rem;color:var(--muted);line-height:1.55;margin:.4rem 0;list-style:none;padding:0}
.phone .log li::before{content:"> ";color:var(--accent)}
.phone .files{display:grid;gap:.35rem;margin-top:.5rem;list-style:none;padding:0}
.phone .files li{display:flex;justify-content:space-between;font-family:var(--mono);font-size:.7rem;border:1px solid var(--line);border-radius:6px;padding:.35rem .5rem;background:var(--panel)}
.phone .files li span:last-child{color:var(--ok)}

/* Drawing strokes (inline SVG) */
.dw-border{fill:none;stroke:var(--ink);stroke-width:1.6}
.dw-thin{fill:none;stroke:var(--muted);stroke-width:.7}
.dw-joist{fill:none;stroke:var(--accent);stroke-width:.9}
.dw-beam{fill:none;stroke:var(--accent);stroke-width:2.2}
.dw-post{fill:var(--panel);stroke:var(--ink);stroke-width:1.2}
.dw-dim{fill:none;stroke:var(--gold);stroke-width:.8}
.dw-hatch{fill:none;stroke:var(--faint);stroke-width:.5}
.dw-text{fill:var(--ink);font-family:var(--mono);font-size:9px}
.dw-text-s{fill:var(--muted);font-family:var(--mono);font-size:7px}
.dw-text-d{fill:var(--gold);font-family:var(--mono);font-size:8px}
.dw-text-l{fill:var(--ink);font-family:var(--font);font-size:13px;font-weight:600}
.dw-fill-accent{fill:var(--accent)}
.dw-bubble{fill:var(--panel);stroke:var(--ink);stroke-width:1}

/* Cards and grids */
.grid{display:grid;gap:1rem}
@media (min-width:700px){.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}}
@media (min-width:700px) and (max-width:999px){.grid-4{grid-template-columns:repeat(2,1fr)}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem 1.4rem 1.2rem;position:relative}
.card h3{margin-bottom:.4rem}
.card p:last-child,.card ul:last-child{margin-bottom:0}
.card .tag{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gold)}
.card .ico{width:34px;height:34px;color:var(--accent);margin-bottom:.8rem}
.card--corner::before,.card--corner::after{content:"";position:absolute;width:12px;height:12px;border-color:var(--accent);border-style:solid}
.card--corner::before{top:-1px;left:-1px;border-width:2px 0 0 2px}
.card--corner::after{bottom:-1px;right:-1px;border-width:0 2px 2px 0}
.section-head{max-width:760px;margin-bottom:2.5rem}
.checks{list-style:none;padding:0;margin:0}
.checks li{position:relative;padding-left:1.6rem;margin:.45rem 0}
.checks li::before{content:"";position:absolute;left:.15rem;top:.62em;width:.7rem;height:.38rem;border-left:2px solid var(--ok);border-bottom:2px solid var(--ok);transform:rotate(-45deg)}
.checks--plan li::before{border-color:var(--gold);border-left:0;border-bottom:2px dashed var(--gold);transform:none;width:.8rem;top:.75em}

/* Compare band */
.vs{display:grid;gap:1rem}
@media (min-width:860px){.vs{grid-template-columns:1fr 1fr}}
.vs .card h3{display:flex;align-items:center;gap:.5rem}
.vs .no{border-style:dashed;opacity:.92}
.vs .no h3{color:var(--muted)}

/* Video slots */
.videos{display:grid;gap:1rem;align-items:start}
@media (min-width:860px){.videos{grid-template-columns:1.4fr 1fr}.videos .v-side{display:grid;gap:1rem}}
.video-slot{margin:0;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.video-frame{position:relative;aspect-ratio:16/9;background:repeating-linear-gradient(45deg,var(--panel-2) 0 10px,var(--panel) 10px 20px);display:grid;place-items:center}
.video-frame--tall{aspect-ratio:9/16;max-height:520px;margin-inline:auto}
.video-frame video,.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;object-fit:cover}
.video-frame .ph{font-family:var(--mono);font-size:.8rem;color:var(--muted);text-align:center;padding:1rem;z-index:1}
.video-frame .ph strong{display:block;color:var(--ink);font-size:.95rem;margin-bottom:.3rem}
.video-slot figcaption{padding:.8rem 1rem;font-size:.92rem;color:var(--muted);border-top:1px solid var(--line)}

/* Steps / pipeline */
.steps{counter-reset:step;list-style:none;padding:0;margin:0;display:grid;gap:1rem}
@media (min-width:900px){.steps{grid-template-columns:repeat(4,1fr)}}
.steps li{counter-increment:step;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem}
.steps li::before{content:counter(step,decimal-leading-zero);font-family:var(--mono);color:var(--gold);font-size:.85rem;display:block;margin-bottom:.4rem}
.steps h3{font-size:1.05rem}
.pipeline{margin-top:2rem;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1rem;overflow-x:auto}
.pipeline svg{min-width:760px}
.pl-box{fill:var(--panel-2);stroke:var(--line);stroke-width:1.2}
.pl-box-hi{fill:var(--panel-2);stroke:var(--accent);stroke-width:1.5}
.pl-tunnel{fill:none;stroke:var(--ok);stroke-width:2;stroke-dasharray:6 5}
.pl-arrow{fill:none;stroke:var(--accent);stroke-width:1.5}
.pl-t{fill:var(--ink);font-family:var(--font);font-size:13px;font-weight:600}
.pl-s{fill:var(--muted);font-family:var(--mono);font-size:10px}
.pl-g{fill:var(--ok);font-family:var(--mono);font-size:10px}

/* Security table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{text-align:left;vertical-align:top;padding:.8rem 1rem;border-bottom:1px solid var(--line)}
th{font-family:var(--mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--gold);font-weight:600;white-space:nowrap}
tr:last-child td{border-bottom:0}
td:first-child{font-weight:600;white-space:nowrap}

/* Pricing */
.billing-toggle{display:inline-flex;border:1px solid var(--line);border-radius:8px;padding:4px;background:var(--panel);gap:4px;margin-bottom:2rem}
.billing-toggle button{font:inherit;font-size:.92rem;border:0;background:transparent;color:var(--muted);padding:.5rem 1rem;border-radius:5px;cursor:pointer;min-height:40px}
.billing-toggle button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink);font-weight:600}
.save{font-family:var(--mono);font-size:.7rem;color:var(--ok);margin-left:.3rem}
.billing-toggle button[aria-pressed="true"] .save{color:inherit}
.plans{display:grid;gap:1rem;align-items:stretch}
@media (min-width:960px){.plans{grid-template-columns:repeat(3,1fr)}}
.plan{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem}
.plan--featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),var(--shadow)}
.plan .badge{align-self:flex-start;font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;background:var(--accent);color:var(--accent-ink);padding:.2rem .5rem;border-radius:3px;margin-bottom:.8rem}
.plan h3{font-size:1.35rem;margin-bottom:.2rem}
.plan .for{color:var(--muted);font-size:.95rem;min-height:3em}
.price{display:flex;align-items:baseline;gap:.35rem;margin:.8rem 0 .2rem}
.price .amt{font-size:2.6rem;font-weight:650;letter-spacing:-.02em}
.price .per{color:var(--muted);font-family:var(--mono);font-size:.85rem}
.price-note{font-family:var(--mono);font-size:.78rem;color:var(--faint);min-height:1.4em;margin-bottom:1rem}
.plan .checks{margin-bottom:1.5rem;flex:1}
.plan .btn{width:100%}
.plan .fine{font-size:.8rem;color:var(--faint);margin:.6rem 0 0;text-align:center}
.draft-banner{display:none;background:repeating-linear-gradient(-45deg,rgba(240,180,60,.15) 0 12px,transparent 12px 24px);border:1px dashed var(--gold);color:var(--ink);border-radius:var(--radius);padding:.75rem 1rem;margin-bottom:1.5rem;font-size:.92rem}
.draft-banner.show{display:block}
.draft-banner strong{color:var(--gold);font-family:var(--mono);letter-spacing:.08em}

/* FAQ */
.faq{display:grid;gap:.6rem;max-width:860px}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:0 1.1rem}
.faq summary{cursor:pointer;padding:1rem 0;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--accent);font-size:1.2rem;line-height:1}
.faq details[open] summary::after{content:"\2212"}
.faq details > div{padding:0 0 1rem;color:var(--muted)}

/* CTA */
.cta{background:linear-gradient(135deg,var(--panel),var(--panel-2));border:1px solid var(--line);border-radius:10px;padding:clamp(2rem,5vw,3.5rem);text-align:center;position:relative;overflow:hidden}
.cta h2{max-width:24ch;margin-inline:auto}
.cta .btn-row{justify-content:center}

/* Docs pages */
.page-head{padding-block:clamp(2.5rem,6vw,4.5rem) 1.5rem}
.prose{max-width:78ch}
.prose h2{font-size:1.5rem;margin-top:2.4rem}
.prose h3{margin-top:1.6rem}
.prose ul,.prose ol{padding-left:1.3rem}
.prose li{margin:.3rem 0}
.callout{border-left:3px solid var(--gold);background:var(--panel);padding:1rem 1.2rem;border-radius:0 var(--radius) var(--radius) 0;margin:1.5rem 0}
.callout--accent{border-left-color:var(--accent)}
.toc{font-size:.92rem;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.2rem;margin:1.5rem 0}
.toc ol{margin:.3rem 0 0;padding-left:1.2rem}
.doc-grid{display:grid;gap:2rem}
@media (min-width:1000px){.doc-grid{grid-template-columns:1fr 280px}.doc-grid aside{position:sticky;top:84px;align-self:start}}

/* Footer as a title block */
.site-footer{border-top:1px solid var(--line);margin-top:0;padding-block:2.5rem 2rem;background:var(--bg-2)}
.titleblock{display:grid;grid-template-columns:1fr;border:1px solid var(--line);font-size:.9rem}
@media (min-width:800px){.titleblock{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.titleblock > div{padding:1rem 1.1rem;border-bottom:1px solid var(--line)}
@media (min-width:800px){.titleblock > div{border-bottom:0;border-right:1px solid var(--line)}.titleblock > div:last-child{border-right:0}}
.titleblock .lbl{display:block;font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:.35rem}
.titleblock ul{list-style:none;padding:0;margin:0}
.titleblock li{margin:.2rem 0}
.titleblock a{color:var(--ink);text-decoration:none}
.titleblock a:hover{color:var(--accent);text-decoration:underline}
.legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.75rem;margin-top:1rem;font-family:var(--mono);font-size:.75rem;color:var(--faint)}
.legal a{color:var(--muted)}

/* Utility */
.mt-0{margin-top:0}.mt-1{margin-top:1rem}.mt-2{margin-top:2rem}.mb-0{margin-bottom:0}
.pill{display:inline-block;font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;padding:.15rem .45rem;border-radius:3px;border:1px solid var(--line);color:var(--muted);vertical-align:middle}
.pill--ok{color:var(--ok);border-color:currentColor}
.pill--plan{color:var(--gold);border-color:currentColor}
.kbd-cmd{font-family:var(--mono);color:var(--accent)}
hr.rule{border:0;border-top:1px dashed var(--line);margin:2rem 0}
.dw-label-bg{fill:var(--panel)}
.dw-text-b{fill:var(--ink);font-family:var(--mono);font-size:15px;font-weight:600}
.mx-auto{margin-inline:auto}
.eyebrow--center{justify-content:center}
mark{background:rgba(240,180,60,.25);color:var(--ink);padding:0 .25em;border-radius:3px;font-family:var(--mono);font-size:.85em}
.sheet figcaption{text-align:right}
.plan{position:relative}
.plan .badge{position:absolute;top:-.75rem;left:1.6rem;margin:0}

/* Asterisk claim and footnote */
.hero .promise{font-size:1.05rem;margin:.25rem 0 1rem;max-width:46ch}
.hero .promise strong{color:var(--ink)}
a.fn{color:var(--gold);font-weight:700;text-decoration:none;padding:0 .12em;vertical-align:super;font-size:.75em;line-height:0}
a.fn:hover,a.fn:focus-visible{text-decoration:underline}
.footnote{font-size:.85rem;color:var(--muted);border-top:1px solid var(--line);padding-top:.75rem;margin:1.5rem 0 0;max-width:90ch}
.footnote:target{outline:2px solid var(--gold);outline-offset:4px}
.section-head .offline{border-left:3px solid var(--ok);background:var(--panel);padding:.8rem 1rem;border-radius:0 var(--radius) var(--radius) 0;margin:1rem 0 0;max-width:68ch}

/* Quip */
.quip{margin:1.25rem 0 0;max-width:68ch}
.quip .quip-line{display:block;font-size:clamp(1.5rem,3.2vw,2.1rem);font-weight:650;line-height:1.15;color:var(--gold);letter-spacing:-.01em;margin-bottom:.35rem}
.quip .quip-note{color:var(--muted);font-size:.95rem}

/* Bring your own model: terminal */
@media (min-width:900px){.steps.steps--stack{grid-template-columns:1fr}}
.byo{align-items:start}
.term{margin:0;border:1px solid var(--line);border-radius:var(--radius);background:#06111f;overflow:hidden;box-shadow:var(--shadow)}
.term-bar{display:flex;align-items:center;gap:.4rem;padding:.55rem .8rem;border-bottom:1px solid rgba(140,196,255,.18);background:#0a1a2e}
.term-bar span{width:.65rem;height:.65rem;border-radius:50%;background:#2b4566}
.term-bar b{font-family:var(--mono);font-weight:400;font-size:.75rem;color:#8ea6c1;margin-left:.5rem}
.term pre.term-body{margin:0;border:0;border-radius:0;background:transparent;color:#d6e4f5;font-size:.8rem;padding:1rem 1.1rem .25rem}
.term pre.term-body .c{color:#8ea6c1}
.term-egg{display:block;width:100%;text-align:left;background:transparent;border:0;color:#d6e4f5;font-family:var(--mono);font-size:.8rem;padding:.1rem 1.1rem 1rem;cursor:pointer}
.term-egg:focus-visible{outline:2px solid var(--accent);outline-offset:-4px}
.term-cursor{display:inline-block;width:.55em;height:1.05em;vertical-align:-.15em;background:#5cc8ff;animation:term-blink 1.1s steps(1) infinite}
@keyframes term-blink{50%{opacity:0}}
.egg{padding:0 1.1rem 1rem}
.egg-art{margin:0;border:0;background:transparent;padding:0;color:#5cc8ff;font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,"DejaVu Sans Mono","Liberation Mono",monospace;font-size:clamp(.5rem,1.6vw,.8rem);line-height:1.2;overflow-x:auto}
.egg-label{margin:.5rem 0 0;font-family:var(--mono);font-size:.75rem;color:#f0b43c}
.egg--anim .egg-art{animation:egg-reveal .9s steps(9,end) both}
@keyframes egg-reveal{from{clip-path:inset(0 0 100% 0)}to{clip-path:inset(0 0 0 0)}}
.term figcaption{font-size:.8rem;color:#a6b9cf;padding:.7rem 1.1rem;border-top:1px solid rgba(140,196,255,.18);background:#0a1a2e}
.term figcaption code{background:transparent;border-color:rgba(140,196,255,.25);color:#d6e4f5}
@media (prefers-reduced-motion: reduce){.term-cursor{animation:none}.egg--anim .egg-art{animation:none}}

/* Account and contact forms */
.auth-wrap{max-width:560px}
.form{display:grid;gap:1.1rem}
.field{display:grid;gap:.35rem}
.field label{font-weight:600;font-size:.95rem}
.field input,.field select,.field textarea,.license-blob{width:100%;font:inherit;color:var(--ink);background:var(--bg-2);border:1px solid var(--line);border-radius:6px;padding:.7rem .8rem;min-height:46px}
.field textarea,.license-blob{resize:vertical;line-height:1.45}
.license-blob{font-family:var(--mono);font-size:.78rem;word-break:break-all;margin-top:.35rem}
.field input:focus,.field select:focus,.field textarea:focus{outline:3px solid var(--gold);outline-offset:1px;border-color:var(--accent)}
.hint{margin:0;font-size:.85rem;color:var(--muted)}
.hp{position:absolute!important;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}
.form-msg{margin:0;min-height:1.4em;font-size:.95rem}
.form-msg--ok{color:var(--ok)}
.form-msg--err{color:var(--red)}
.form .btn{justify-self:start}
.acct-grid{display:grid;gap:var(--gap)}
@media (min-width:900px){.acct-grid{grid-template-columns:1fr 1fr}}
.kv{display:grid;grid-template-columns:auto 1fr;gap:.4rem 1.2rem;margin:1rem 0 0}
.kv dt{font-family:var(--mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);padding-top:.2rem}
.kv dd{margin:0}
.device-list{list-style:none;padding:0;margin:1rem 0 0;display:grid;gap:.5rem}
.device-list li{display:flex;justify-content:space-between;align-items:center;gap:1rem;border-top:1px solid var(--line);padding-top:.5rem}
.nav-signin{display:none}
@media (min-width:600px){.nav-signin{display:inline-flex}}
/* Social sign-in buttons (account pages) */
.oauth{display:grid;gap:.6rem}
.form .oauth-btn{justify-self:stretch;display:flex;align-items:center;justify-content:center;gap:.6rem}
.oauth-btn svg{width:1.15rem;height:1.15rem;flex:none}
.oauth-or{display:flex;align-items:center;gap:.8rem;margin:.5rem 0 0;color:var(--muted);font-size:.9rem}
.oauth-or::before,.oauth-or::after{content:"";flex:1;border-top:1px solid var(--line)}
/* Device sign-in (/device/) */
.device-code{font-size:clamp(1.6rem,6vw,2.4rem);letter-spacing:.18em;font-weight:600;margin:.6rem 0 0;color:var(--ink)}
.device-code-input{text-transform:uppercase;letter-spacing:.14em;font-size:1.25rem}