@font-face{font-family:"Inter";font-style:normal;font-weight:400 800;font-display:swap;src:url(/assets/fonts/inter-latin-var.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{--bg:#f8fafc;--fg:#0f172a;--muted:#475569;--brand:#1d4ed8;--brand-ink:#1e40af;--on-brand:#ffffff;--card:#ffffff;--line:#e2e8f0;--tint:#eef3ff;--accent:var(--tint);--accent-fill:#fbbf24;--accent-ink:#92400e;--on-accent:#0f172a;--ok:#166534;--err:#b91c1c;
--band:#0b1b3a;--band-fg:#ffffff;--band-muted:#cbd5e1;--band-hl:#93b4ff;--radius:14px;--max:72rem;--read:42rem;
--font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
@media (prefers-color-scheme:dark){:root{--bg:#0b1120;--fg:#e5e9f0;--muted:#a3adbf;--brand:#93b4ff;--brand-ink:#b9cdff;--on-brand:#0b1120;--card:#131b2e;--line:#26304a;--tint:#17234a;--accent-fill:#fbbf24;--accent-ink:#fcd34d;--on-accent:#0b1120;--ok:#4ade80;--err:#fca5a5;
--band:#131b2e;--band-fg:#ffffff;--band-muted:#cbd5e1;--band-hl:#93b4ff}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:1.0625rem/1.65 var(--font)}
a{color:var(--brand)}a:hover{color:var(--brand-ink)}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-999px;top:0;background:var(--brand);color:var(--on-brand);padding:.5rem 1rem;z-index:10}.skip:focus{left:1rem}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.25rem}
header.site{border-bottom:1px solid var(--line);background:var(--card)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-top:.75rem;padding-bottom:.75rem;min-height:3.5rem}
.brand{display:flex;align-items:center;gap:.6rem;min-height:32px;text-decoration:none;color:var(--fg);font-weight:800;font-size:1.1rem}
.brand img{width:36px;height:36px}
nav.main ul{list-style:none;display:flex;flex-wrap:wrap;gap:.25rem 1rem;margin:0;padding:0}
nav.main a{text-decoration:none;color:var(--fg);font-weight:600;font-size:.95rem;padding:.25rem 0}
nav.main a[aria-current=page]{color:var(--brand);border-bottom:2px solid var(--brand)}
main{padding:2.5rem 0 3rem}
.prose{max-width:var(--read)}
.prose h1{font-size:clamp(1.9rem,4vw,2.6rem);line-height:1.15;margin:.2rem 0 1rem}
.prose h2{font-size:1.45rem;line-height:1.25;margin:2.2rem 0 .6rem}
.prose h3{font-size:1.15rem;margin:1.6rem 0 .4rem}
.prose table{border-collapse:collapse;width:100%;font-size:.95rem;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:.5rem .6rem;text-align:left;vertical-align:top}
.prose th{background:var(--card)}
.prose pre{background:#0f172a;color:#e2e8f0;padding:1rem;border-radius:10px;overflow-x:auto;font-size:.88rem;line-height:1.5}
.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em}
.prose :not(pre)>code{background:var(--card);border:1px solid var(--line);padding:.05rem .3rem;border-radius:5px}
.prose hr{border:0;border-top:1px solid var(--line);margin:2rem 0}
.prose blockquote{margin:1rem 0;padding:.5rem 1rem;border-left:4px solid var(--brand);background:var(--card)}
.meta{color:var(--muted);font-size:.95rem}
.disclaimer,.note{display:block;background:var(--accent);border:1px solid var(--line);border-radius:var(--radius);padding:.9rem 1rem;margin:1.25rem 0;font-size:.97rem}
.hero{padding:2rem 0 1rem}
.hero h1{font-size:clamp(2.1rem,5.5vw,3.4rem);line-height:1.08;margin:0 0 1rem;max-width:24ch;letter-spacing:-.02em;text-wrap:balance}
.hero p.lead{font-size:1.2rem;color:var(--muted);max-width:40rem;margin:0 0 1.5rem}
.signup{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem;max-width:36rem}
.signup h2{margin:0 0 .25rem;font-size:1.2rem}.signup p{margin:.25rem 0 .75rem;color:var(--muted);font-size:.95rem}
.signup form{display:flex;gap:.5rem;flex-wrap:wrap}
.signup label.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.signup input[type=email]{flex:1 1 16rem;min-width:0;font:inherit;padding:.7rem .85rem;border:1px solid var(--muted);border-radius:10px;background:var(--card);color:var(--fg)}
button,.btn{font:inherit;font-weight:700;background:var(--brand);color:var(--on-brand);border:0;border-radius:10px;padding:.7rem 1.1rem;cursor:pointer;text-decoration:none;display:inline-block}
button:hover,.btn:hover{background:var(--brand-ink);color:var(--on-brand)}
.signup small{display:block;margin-top:.6rem;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1rem;margin:1.5rem 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem;display:flex;flex-direction:column}
.card h3{margin:.2rem 0 .4rem;font-size:1.15rem}.card p{margin:0 0 .8rem;color:var(--muted);font-size:.97rem}
.card a.more{margin-top:auto;font-weight:700;text-decoration:none}
.section-title{font-size:1.5rem;margin:2.5rem 0 .5rem}
.pillars{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:1rem}
.pillars li{border-left:none;border-top:3px solid var(--brand);padding:.75rem 0 .2rem}
.post-list{list-style:none;padding:0}.post-list li{padding:.9rem 0;border-bottom:1px solid var(--line)}
.post-list a{font-weight:700;font-size:1.1rem;text-decoration:none}
.badge{display:inline-block;font-size:.78rem;font-weight:700;background:var(--accent-fill);color:var(--on-accent);border:1px solid var(--line);border-radius:999px;padding:.05rem .55rem;margin-right:.3rem}
footer.site{border-top:1px solid var(--line);padding:2rem 0;color:var(--muted);font-size:.92rem}
footer.site ul{list-style:none;padding:0;margin:0 0 1rem;display:flex;flex-wrap:wrap;gap:.4rem 1.1rem}
footer.site a{color:var(--muted)}
@media print{header.site,footer.site,.signup{display:none}}
.signup .hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.form-msg{margin:.5rem 0 0;font-size:.95rem;min-height:0}
.form-msg:empty{display:none}
.form-msg.ok{color:var(--ok);font-weight:600}
.form-msg.err{color:var(--err);font-weight:600}
.form-msg.warn{color:var(--fg);font-weight:600}
.signup button[disabled]{opacity:.7;cursor:progress}
h2,h3{text-wrap:balance}
.card h3 a{text-decoration:none}.card h3 a:hover{text-decoration:underline}
.card h3{font-size:1.15rem}
.nav-toggle{display:none}
@media (max-width:40rem){
  .js-nav .nav-toggle{display:inline-block;background:transparent;color:var(--fg);border:1px solid var(--line);padding:.45rem .8rem;font-size:.95rem}
  .js-nav nav.main{display:none;flex-basis:100%}
  .js-nav nav.main.open{display:block}
  .js-nav nav.main ul{display:block}
  .js-nav nav.main a{display:block;padding:.6rem 0;border-top:1px solid var(--line)}
  .js-nav nav.main a[aria-current=page]{border-bottom:0;box-shadow:inset 3px 0 0 var(--brand);padding-left:.6rem}
  nav.main ul{display:grid;grid-template-columns:repeat(3,auto);gap:.35rem 1rem}
}
@media (max-width:30rem){.signup{padding:1rem}}
@media (min-width:40rem){.hero h1 .h1-line{display:block}}
/* Clear Sky: homepage hero as a full-bleed navy band */
main:has(> .wrap > .hero:first-child){padding-top:0}
.hero{background:var(--band);color:var(--band-fg);box-shadow:0 0 0 100vmax var(--band);clip-path:inset(0 -100vmax);padding:3rem 0 2.75rem;margin-bottom:1rem}
.hero h1{color:var(--band-fg)}
.hero h1 .h1-line{color:var(--band-hl)}
.hero p.lead{color:var(--band-muted)}
.hero .signup{color:var(--fg);border-color:transparent;box-shadow:0 10px 30px -12px rgb(0 0 0 / .45)}
@media (prefers-color-scheme:dark){.hero .signup{border-color:var(--line);background:var(--bg)}}
/* Hero flow diagram (Pixel): two columns at 56rem and up, hidden below */
.hero-art{display:none}
@media (min-width:56rem){
  .hero-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:2.5rem;align-items:center}
  .hero-grid h1{font-size:clamp(2.1rem,4.2vw,3rem)}
  .hero-art{display:block;align-self:center}
  .hero-art svg{display:block;width:100%;max-width:26rem;height:auto;margin-inline:auto}
}