:root{
  --bg:#ffffff; --bg-soft:#f5f7fb; --panel:#ffffff; --border:#e6e9f0;
  --ink:#0d1220; --ink-soft:#4a5468; --ink-faint:#8a93a6;
  --accent:#3d63ff; --accent-ink:#ffffff; --accent-soft:#eef2ff;
  --warn:#b4540a; --warn-soft:#fff6ea;
  --ring:rgba(61,99,255,.18);
  --shadow:0 1px 2px rgba(13,18,32,.04),0 12px 32px -12px rgba(13,18,32,.14);
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0b0e14; --bg-soft:#0f131c; --panel:#121826; --border:#20283a;
    --ink:#eef1f8; --ink-soft:#aab3c5; --ink-faint:#6b7488;
    --accent:#6f8dff; --accent-ink:#0b0e14; --accent-soft:#151d31;
    --warn:#f0a85a; --warn-soft:#241a0e;
    --ring:rgba(111,141,255,.22);
    --shadow:0 1px 2px rgba(0,0,0,.4),0 18px 40px -16px rgba(0,0,0,.6);
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}

/* Header */
header{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--border)}
.bar{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:8px 20px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;letter-spacing:-.01em}
.mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--accent),#7aa0ff);
  display:grid;place-items:center;color:#fff;font-family:Georgia,serif;font-weight:700;font-size:18px;
  box-shadow:0 6px 16px -6px var(--ring)}
nav{display:flex;align-items:center;flex-wrap:wrap}
nav a{color:var(--ink-soft);font-size:14px;font-weight:500;margin-left:26px;transition:color .15s}
nav a:hover,nav a[aria-current="page"]{color:var(--ink)}
nav a[aria-current="page"]{font-weight:600}
@media(max-width:700px){
  .bar{flex-wrap:wrap;padding-top:12px;padding-bottom:12px}
  nav a{margin:0 18px 0 0;font-size:13px}
}

/* Hero */
.hero{position:relative;padding:96px 0 72px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-40% 0 auto 50%;transform:translateX(-50%);
  width:900px;height:600px;background:radial-gradient(closest-side,var(--ring),transparent);
  filter:blur(10px);pointer-events:none;z-index:0}
.hero .wrap{position:relative;z-index:1}
.hero.page{padding:72px 0 28px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--accent);background:var(--accent-soft);border:1px solid var(--border);
  padding:6px 12px;border-radius:999px;letter-spacing:.01em}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
h1{font-size:clamp(2.2rem,5.4vw,3.6rem);line-height:1.05;letter-spacing:-.03em;
  margin:22px 0 0;max-width:20ch;font-weight:800}
h1 .grad{display:block}
.hero.page h1{font-size:clamp(1.9rem,4.2vw,2.9rem);line-height:1.1;max-width:24ch}
h1 .grad{background:linear-gradient(120deg,var(--accent),#9ab4ff);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:clamp(1.05rem,2.3vw,1.28rem);color:var(--ink-soft);max-width:60ch;margin:22px 0 0}
.lede strong{color:var(--ink)}
.cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15px;
  padding:12px 20px;border-radius:11px;border:1px solid transparent;transition:transform .12s,box-shadow .15s,background .15s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 10px 24px -10px var(--ring)}
.btn-primary:hover{box-shadow:0 14px 30px -10px var(--ring)}
.btn-ghost{background:var(--panel);color:var(--ink);border-color:var(--border);box-shadow:var(--shadow)}
.btn-ghost:hover{border-color:var(--accent)}

/* Flow strip */
.flow{margin-top:64px;display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:14px;align-items:center}
.node{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:18px 20px;
  box-shadow:var(--shadow)}
.node .k{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-faint);font-weight:700}
.node .v{font-weight:700;margin-top:4px;letter-spacing:-.01em}
.node small{color:var(--ink-soft);font-size:13px;font-weight:500}
.arrow{color:var(--accent);font-size:20px;text-align:center;font-weight:700}
@media(max-width:760px){
  .flow{grid-template-columns:1fr;gap:10px}
  .arrow{transform:rotate(90deg)}
}

/* Sections */
.section{padding:84px 0 0}
.sec-head{max-width:60ch}
.sec-head h2{font-size:clamp(1.6rem,3.6vw,2.2rem);letter-spacing:-.025em;margin:0;font-weight:800;line-height:1.15}
.sec-head p{color:var(--ink-soft);margin:12px 0 0;font-size:1.05rem}
.sec-head p strong{color:var(--ink)}
.sec-foot{color:var(--ink-soft);max-width:68ch;margin:28px 0 0;font-size:1.02rem}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.grid.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.grid.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.grid{grid-template-columns:1fr}}
@media(max-width:620px){.grid.g4{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:26px;
  box-shadow:var(--shadow);transition:transform .15s,border-color .15s}
.card:hover{transform:translateY(-3px);border-color:var(--accent)}
.ic{width:42px;height:42px;border-radius:11px;background:var(--accent-soft);border:1px solid var(--border);
  display:grid;place-items:center;margin-bottom:16px;color:var(--accent);font-weight:800;font-size:15px}
.ic svg{width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card h3{margin:0 0 8px;font-size:1.08rem;letter-spacing:-.01em;line-height:1.3}
.card p{margin:0;color:var(--ink-soft);font-size:.96rem}
.card p a,.sec-foot a,.faq a{color:var(--accent);font-weight:600}
.card code,.faq code,.panel code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em;
  background:var(--accent-soft);padding:1px 6px;border-radius:6px}

/* Queue panel */
.panel{margin-top:28px;background:var(--bg-soft);border:1px solid var(--border);border-radius:18px;padding:32px}
.panel h3{margin:0;font-size:1.3rem;letter-spacing:-.02em}
.panel>p{color:var(--ink-soft);margin:10px 0 0;max-width:70ch}
.panel ul{list-style:none;margin:22px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:14px 28px}
.panel li{color:var(--ink-soft);font-size:.97rem;padding-left:20px;position:relative}
.panel li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--accent)}
.panel li strong{color:var(--ink);display:block}
@media(max-width:760px){.panel{padding:24px}.panel ul{grid-template-columns:1fr}}

/* FAQ */
.faq{margin-top:36px;max-width:820px;border-top:1px solid var(--border)}
.faq details{border-bottom:1px solid var(--border)}
.faq summary{cursor:pointer;list-style:none;padding:18px 32px 18px 0;font-weight:650;position:relative;letter-spacing:-.005em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:14px;font-size:22px;font-weight:400;color:var(--accent)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0 0 20px;color:var(--ink-soft);max-width:70ch}

/* CTA band */
.band{margin-top:96px;background:var(--bg-soft);border:1px solid var(--border);border-radius:20px;padding:44px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.band h2{margin:0;font-size:clamp(1.4rem,3vw,1.8rem);letter-spacing:-.02em;line-height:1.2}
.band p{margin:8px 0 0;color:var(--ink-soft);max-width:54ch}
@media(max-width:620px){.band{padding:28px}}

/* Article pages */
.prose{max-width:820px;padding-bottom:8px;font-size:1.03rem}
.prose>*:first-child{margin-top:0}
.prose p,.prose li{color:var(--ink-soft)}
.prose strong{color:var(--ink)}
.prose a{color:var(--accent);font-weight:600}
.prose a:hover{text-decoration:underline}
.prose h2{font-size:clamp(1.45rem,3.2vw,1.9rem);letter-spacing:-.025em;line-height:1.2;margin:0 0 14px;font-weight:800}
.prose h3{font-size:1.18rem;letter-spacing:-.01em;line-height:1.3;margin:36px 0 10px}
.prose hr{border:0;border-top:1px solid var(--border);margin:52px 0}
.prose ul,.prose ol{padding-left:22px}
.prose li{margin:7px 0}
.prose li::marker{color:var(--accent)}
.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em;
  background:var(--accent-soft);padding:1px 6px;border-radius:6px;color:var(--ink)}
.prose pre{background:var(--bg-soft);border:1px solid var(--border);border-radius:12px;padding:16px 18px;
  overflow-x:auto;font-size:13.5px;line-height:1.6;margin:18px 0}
.prose pre code{background:none;padding:0;font-size:inherit;border-radius:0}
.prose blockquote{margin:22px 0;padding:14px 18px;border-left:3px solid var(--accent);
  background:var(--accent-soft);border-radius:0 12px 12px 0}
.prose blockquote p{margin:0;color:var(--ink)}
.prose blockquote.warn{border-left-color:var(--warn);background:var(--warn-soft)}
.prose .grid{margin:26px 0 30px;gap:16px}
.prose .card{padding:22px}
.prose .card h3{margin:0 0 8px;font-size:1.04rem}
.prose .card p{font-size:.93rem}
.prose .card:hover{transform:none}

/* Anonymous production-validation line */
.proof{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin:40px 0 0;padding:14px 18px;max-width:820px;
  border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:0 12px 12px 0;
  background:var(--panel);color:var(--ink-soft);font-size:.95rem}
.proof strong{color:var(--accent);font-size:12px;text-transform:uppercase;letter-spacing:.08em;white-space:nowrap}
.prose .proof{margin:26px 0 0}
.prose .proof strong{color:var(--accent)}

.table-wrap{overflow-x:auto;margin:26px 0;border:1px solid var(--border);border-radius:14px;background:var(--panel);box-shadow:var(--shadow)}
.prose table{border-collapse:collapse;width:100%;min-width:620px;font-size:.93rem}
.prose th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-faint);
  font-weight:700;padding:12px 16px;border-bottom:1px solid var(--border);background:var(--bg-soft);vertical-align:bottom}
.prose th strong{color:inherit}
.prose td{padding:12px 16px;border-bottom:1px solid var(--border);vertical-align:top;color:var(--ink-soft)}
.prose tr:last-child td{border-bottom:0}
.prose td:first-child{color:var(--ink);font-weight:600}

/* Footer */
footer{margin-top:96px;border-top:1px solid var(--border);background:var(--bg-soft)}
.foot{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:34px 0;flex-wrap:wrap}
.foot .brand{font-size:15px}
.foot small{color:var(--ink-faint);font-size:13px}
.foot-links a{color:var(--ink-soft);font-size:13px;margin-left:20px}
.foot-links a:first-child{margin-left:0}
.foot-links a:hover{color:var(--ink)}

/* Cookie consent */
.consent{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);z-index:50;width:calc(100% - 32px);max-width:760px;
  display:flex;align-items:center;gap:16px 24px;flex-wrap:wrap;justify-content:space-between;
  background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:18px 22px;
  box-shadow:0 1px 2px rgba(0,0,0,.2),0 24px 60px -12px rgba(0,0,0,.45)}
.consent[hidden]{display:none}
.consent p{margin:0;flex:1 1 320px;font-size:.92rem;color:var(--ink-soft)}
.consent p strong{color:var(--ink)}
.consent p a{color:var(--accent);font-weight:600;white-space:nowrap}
.consent-actions{display:flex;gap:10px}
.consent .btn{font-family:inherit;cursor:pointer;padding:10px 18px;font-size:14px;box-shadow:none}
.consent .btn-ghost{border-color:var(--border)}
@media(max-width:520px){.consent-actions{width:100%}.consent .btn{flex:1;justify-content:center}}

/* Blog */
.byline{color:var(--ink-faint);font-size:.95rem;margin:16px 0 0}
.post-list{display:grid;gap:18px;max-width:820px;margin-top:12px}
.post-card{display:block}
.post-card time{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-faint);font-weight:700}
.post-card h2{margin:8px 0 8px;font-size:1.35rem;letter-spacing:-.02em;line-height:1.25}
.post-card .more{display:inline-block;margin-top:14px;color:var(--accent);font-weight:600;font-size:.95rem}

/* Comments */
.comments{max-width:820px;margin-top:64px;padding-top:40px;border-top:1px solid var(--border)}
.comments h2{font-size:clamp(1.35rem,3vw,1.7rem);letter-spacing:-.025em;margin:0 0 20px;font-weight:800}
.comments .muted,.comment-form .muted{color:var(--ink-faint);font-size:.92rem}
.comments a{color:var(--accent);font-weight:600}
.comment{padding:18px 0;border-bottom:1px solid var(--border)}
.comment-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.comment-head time{color:var(--ink-faint);font-size:13px}
.comment p{margin:0;color:var(--ink-soft);white-space:pre-wrap;overflow-wrap:anywhere}
.comment-form{margin-top:36px;background:var(--bg-soft);border:1px solid var(--border);border-radius:16px;padding:26px}
.comment-form[hidden]{display:none}
.comment-form h3{margin:0 0 6px;font-size:1.15rem}
.comment-form p.muted{margin:0 0 18px}
.comment-form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:620px){.comment-form .row{grid-template-columns:1fr}}
.comment-form label{display:block;font-size:13px;font-weight:600;color:var(--ink-soft);margin-bottom:14px}
.comment-form input,.comment-form textarea{display:block;width:100%;margin-top:6px;padding:10px 12px;font:inherit;font-size:15px;font-weight:400;
  color:var(--ink);background:var(--panel);border:1px solid var(--border);border-radius:10px}
.comment-form textarea{resize:vertical;min-height:120px}
.comment-form input:focus,.comment-form textarea:focus{outline:2px solid var(--ring);border-color:var(--accent)}
.comment-form .btn{font-family:inherit;cursor:pointer}
.comment-form .btn[disabled]{opacity:.6;cursor:default}
.comment-form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg{margin:14px 0 0;font-size:.95rem;min-height:1.4em;color:var(--ink-soft)}
.form-msg.ok{color:#1f8a5b}
.form-msg.err{color:var(--warn)}