/* ============================================================
   WeeBie design system — "instrument for watching your AI"
   Shared across every page. Graphite console · sodium-amber signal.
   Swap the logo by replacing assets/weebie-logo-wide.svg (header/footer) or
   assets/weebie-hero.svg (hero shield). They are plain SVG — edit colors inline.
   Cache-busting `?v=` on this file is stamped automatically from its content
   hash by the pre-commit hook (scripts/stamp-asset-versions.py).
   ============================================================ */
/* Self-hosted fonts (no third-party CDN — GDPR: no visitor IP sent to Google).
   woff2 files live in assets/fonts/, licensed OFL (IBM Plex, Space Grotesk). */
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/ibm-plex-sans-400.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/ibm-plex-sans-500.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/ibm-plex-sans-600.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/ibm-plex-mono-400.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/ibm-plex-mono-500.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/ibm-plex-mono-600.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/space-grotesk-500.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/space-grotesk-600.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/space-grotesk-700.woff2') format('woff2')}

:root{
  --bg:#1a1a1f;            /* warm graphite, not navy */
  --bg-2:#161519;
  --panel:#212127;         /* raised faceplate */
  --panel-2:#26262d;       /* inset */
  --line:#33333c;          /* engraved hairline */
  --line-soft:#2a2a31;
  --ink:#eceae4;           /* warm off-white silkscreen */
  --ink-dim:#9d9c94;
  --ink-faint:#6b6a63;
  --amber:#f2a63b;         /* sodium indicator — the one accent */
  --amber-2:#ffbe57;
  --amber-soft:rgba(242,166,59,0.10);
  --amber-line:rgba(242,166,59,0.32);
  --ok:#5bbf9a;            /* instrument green — status only */
  --block:#e2564d;         /* signal red — status only */
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:'IBM Plex Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --disp:'Space Grotesk','IBM Plex Sans',system-ui,sans-serif;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.62;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.container-narrow{max-width:800px;margin:0 auto;padding:0 28px}

/* ---- type utilities ---- */
.mono{font-family:var(--mono)}
.eyebrow{
  font-family:var(--mono);font-size:12px;font-weight:500;
  letter-spacing:0.22em;text-transform:uppercase;color:var(--amber);
  display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--amber);opacity:.7}
.eyebrow.center{justify-content:center}
.eyebrow.center::before{display:none}
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section-head{max-width:60ch;margin-bottom:52px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-title{font-family:var(--disp);font-weight:600;letter-spacing:-0.02em;font-size:clamp(28px,4vw,42px);line-height:1.08;margin:18px 0 14px}
.section-lead{color:var(--ink-dim);font-size:17px;max-width:56ch}
.section-head.center .section-lead{margin-left:auto;margin-right:auto}
h1,h2,h3,h4{font-family:var(--disp);font-weight:600;letter-spacing:-0.02em;line-height:1.12}

/* ---- buttons ---- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:13.5px;font-weight:500;letter-spacing:0.04em;
  padding:14px 22px;border:1px solid transparent;cursor:pointer;
  transition:transform .12s ease,background .15s,border-color .15s,color .15s;
}
.btn .arw{transition:transform .18s ease}
.btn:hover .arw{transform:translateX(4px)}
.btn-primary{background:var(--amber);color:#1a1207;font-weight:600;border-color:var(--amber)}
.btn-primary:hover{background:var(--amber-2);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--amber-line);color:var(--amber)}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.cta-row.center{justify-content:center}

/* ---- top bar ---- */
.topbar{position:sticky;top:0;z-index:60;background:rgba(22,21,25,0.86);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;gap:26px;height:74px}
/* BRAND LOGO — replace assets/weebie-logo-wide.svg; height controls size */
.brand-logo{height:44px;width:auto;object-fit:contain;display:block;flex-shrink:0}
.status-chip{font-family:var(--mono);font-size:11px;letter-spacing:0.14em;color:var(--ink-faint);display:inline-flex;align-items:center;gap:7px;padding-left:16px;border-left:1px solid var(--line)}
.status-chip .led{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok)}
.nav-links{display:flex;gap:2px;margin-left:auto;align-items:center}
.nav-link{font-family:var(--mono);font-size:13px;letter-spacing:0.02em;color:var(--ink-dim);padding:8px 12px;transition:color .14s;white-space:nowrap}
.nav-link:hover{color:var(--amber)}
.nav-link.active{color:var(--amber)}
.nav-cta{margin-left:10px;font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:0.04em;color:#1a1207;background:var(--amber);padding:9px 16px;transition:background .15s,transform .12s}
.nav-cta:hover{background:var(--amber-2);transform:translateY(-1px)}
/* nav dropdown groups (Product ▾ / Resources ▾) — CSS-only: hover + focus-within on desktop, flattened on mobile */
.nav-group{position:relative;align-self:stretch;display:flex;align-items:center}
.nav-group-btn{display:inline-flex;align-items:center;gap:5px;background:transparent;border:0;cursor:pointer;font-family:var(--mono);font-size:13px;letter-spacing:0.02em;color:var(--ink-dim);padding:8px 12px;transition:color .14s;white-space:nowrap}
.nav-group-btn:hover,.nav-group:hover .nav-group-btn,.nav-group:focus-within .nav-group-btn{color:var(--amber)}
.nav-group-btn.active{color:var(--amber)}
.nav-group-btn:focus{outline:none}
.nav-group-btn:focus-visible{outline:2px solid var(--amber-line);outline-offset:1px}
.nav-group .caret{font-size:9px;line-height:1;transition:transform .15s}
.nav-group:hover .caret,.nav-group:focus-within .caret{transform:rotate(180deg)}
.nav-menu{position:absolute;top:100%;left:0;min-width:184px;flex-direction:column;gap:1px;background:var(--panel);border:1px solid var(--line);box-shadow:0 16px 30px rgba(0,0,0,.4);padding:6px;display:none;z-index:70}
.nav-group:hover .nav-menu,.nav-group:focus-within .nav-menu{display:flex}
.nav-sublink{font-family:var(--mono);font-size:13px;letter-spacing:0.02em;color:var(--ink-dim);padding:9px 11px;border-radius:3px;white-space:nowrap;transition:color .14s,background .14s}
.nav-sublink:hover{color:var(--amber);background:rgba(242,166,59,0.08)}
.nav-sublink.active{color:var(--amber)}
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;margin-left:auto;padding:0;background:transparent;border:1px solid var(--line);cursor:pointer;transition:border-color .15s}
.hamburger:hover{border-color:var(--amber-line)}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);margin:0 auto;transition:transform .2s,opacity .2s}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---- page header (sub-page hero) ---- */
.page-hero{position:relative;padding:76px 0 44px;border-bottom:1px solid var(--line);overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(120% 100% at 20% 0%,#000 20%,transparent 70%);mask-image:radial-gradient(120% 100% at 20% 0%,#000 20%,transparent 70%);opacity:.45;
}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{font-family:var(--disp);font-weight:600;letter-spacing:-0.025em;font-size:clamp(34px,5.5vw,58px);line-height:1.02;margin:22px 0 0;max-width:20ch}
.page-hero p.lead{color:var(--ink-dim);font-size:clamp(17px,2vw,19px);max-width:56ch;margin-top:22px}

/* ---- cards ---- */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{border:1px solid var(--line);background:var(--panel);padding:30px 28px;transition:border-color .16s}
.card:hover{border-color:var(--amber-line)}
.card-tick{position:relative}
.card-tick::before{content:"";position:absolute;top:-1px;left:-1px;width:44px;height:3px;background:var(--amber)}
.card h3,.card h4{font-family:var(--disp);font-weight:600;margin-bottom:10px}
.card h3{font-size:20px}
.card h4{font-size:17px}
.card p{color:var(--ink-dim);font-size:14.5px;line-height:1.55}
.card-icon{width:44px;height:44px;color:var(--amber);display:grid;place-items:center;border:1px solid var(--line);margin-bottom:18px}
.card-icon svg{width:22px;height:22px}
.tag{font-family:var(--mono);font-size:11px;letter-spacing:0.1em;color:var(--ink-dim);border:1px solid var(--line);padding:5px 11px;display:inline-block}
.chip{font-family:var(--mono);font-size:10.5px;letter-spacing:0.16em;color:var(--ink-faint);text-transform:uppercase}

/* ---- status pills (semantic) ---- */
.pill{font-family:var(--mono);font-size:11px;letter-spacing:0.08em;padding:3px 10px;border:1px solid var(--line);display:inline-flex;align-items:center;gap:7px}
.pill .led{width:7px;height:7px;border-radius:50%;display:inline-block}
.pill.ok .led{background:var(--ok);box-shadow:0 0 7px var(--ok)}
.pill.warn .led{background:var(--amber);box-shadow:0 0 7px var(--amber)}
.pill.block .led{background:var(--block);box-shadow:0 0 7px var(--block)}

/* ---- prose (articles, about, docs body) ---- */
.prose{color:var(--ink-dim);font-size:17px;line-height:1.75}
.prose h2{font-family:var(--disp);color:var(--ink);font-size:clamp(24px,3vw,30px);margin:52px 0 16px;letter-spacing:-0.02em}
.prose h3{font-family:var(--disp);color:var(--ink);font-size:21px;margin:36px 0 12px}
.prose p{margin:0 0 20px}
.prose a{color:var(--amber);border-bottom:1px solid var(--amber-line)}
.prose a:hover{border-color:var(--amber)}
.prose ul,.prose ol{margin:0 0 22px;padding-left:0;list-style:none}
.prose li{position:relative;padding:6px 0 6px 26px;line-height:1.6}
.prose ul li::before{content:"›";position:absolute;left:0;color:var(--amber);font-family:var(--mono);font-weight:600}
.prose ol{counter-reset:li}
.prose ol li::before{counter-increment:li;content:counter(li,decimal-leading-zero);position:absolute;left:0;color:var(--amber);font-family:var(--mono);font-size:12px;top:9px}
.prose strong{color:var(--ink);font-weight:600}
.prose blockquote{border-left:2px solid var(--amber);padding:6px 0 6px 22px;margin:0 0 22px;color:var(--ink);font-family:var(--disp);font-size:20px;font-style:normal}
.prose code{font-family:var(--mono);font-size:.88em;background:var(--panel-2);border:1px solid var(--line);padding:2px 6px;color:var(--amber-2)}
.prose pre{font-family:var(--mono);font-size:13.5px;background:var(--bg-2);border:1px solid var(--line);padding:20px 22px;overflow-x:auto;margin:0 0 24px;line-height:1.65}
.prose pre code{background:none;border:0;padding:0;color:var(--ink)}
.prose img{border:1px solid var(--line);margin:0 0 24px}
.prose hr{border:0;border-top:1px solid var(--line);margin:40px 0}
/* tables inside articles */
.table-wrap{overflow-x:auto;margin:0 0 24px;border:1px solid var(--line)}
.prose table{width:100%;border-collapse:collapse;font-family:var(--sans);font-size:14.5px;margin:0}
.prose th,.prose td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
.prose th:last-child,.prose td:last-child{border-right:0}
.prose thead th{background:var(--panel-2);color:var(--ink);font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:0.1em;text-transform:uppercase}
.prose tbody td{color:var(--ink-dim)}
.prose tbody tr:last-child td{border-bottom:0}
.prose tbody tr:hover td{background:var(--panel)}
.prose table strong{color:var(--amber-2)}
/* article note panel (converted callouts) */
.prose .note{border:1px solid var(--line);border-left:2px solid var(--amber);background:var(--panel);padding:20px 24px;margin:0 0 24px}
.prose .note .note-label{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:0.16em;text-transform:uppercase;color:var(--amber);display:block;margin-bottom:8px}
.prose .note p{margin:0;color:var(--ink-dim)}
/* article card grids — headings/paras that shouldn't inherit prose spacing */
.prose .card h4{margin-bottom:10px}
.prose .card p{margin:0}
.prose .card .chip{margin-bottom:12px;display:inline-block}
.prose .grid{margin:8px 0 28px}

/* ---- reveal ---- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---- footer — manufacturer plate ---- */
.footer{border-top:1px solid var(--line);background:var(--bg-2);padding:44px 0 40px}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:22px}
/* FOOTER LOGO — replace assets/weebie-logo-wide.svg; height controls size */
.footer-logo{height:38px;width:auto;object-fit:contain}
.footer-links{display:flex;gap:8px;flex-wrap:wrap}
.footer-links a{font-family:var(--mono);font-size:12.5px;color:var(--ink-dim);padding:4px 10px;transition:color .14s}
.footer-links a:hover{color:var(--amber)}
.footer-meta{font-family:var(--mono);font-size:11.5px;color:var(--ink-faint);text-align:right;line-height:1.9}
.footer-meta .vet{color:var(--ink-dim)}
.footer-legal{margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}
.footer-legal-links{display:flex;flex-wrap:wrap;gap:9px 18px}
.footer-legal-links a{font-family:var(--mono);font-size:11.5px;letter-spacing:0.03em;color:var(--ink-faint);transition:color .15s}
.footer-legal-links a:hover{color:var(--amber)}

/* ---- responsive ---- */
@media(max-width:920px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:1180px){ .status-chip{display:none} }
@media(max-width:960px){
  .hamburger{display:flex}
  .nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;margin:0;padding:8px;background:var(--panel);border-bottom:1px solid var(--line);box-shadow:0 16px 30px rgba(0,0,0,.4);display:none}
  .nav-links.open{display:flex}
  .nav-links .nav-link{display:block;padding:14px;font-size:14.5px;border-bottom:1px solid var(--line-soft)}
  .nav-links .nav-link:last-of-type{border-bottom:none}
  /* groups flatten into labeled sections inside the mobile menu (no accordion) */
  .nav-group{align-self:auto;display:block;position:static}
  .nav-links .nav-group-btn{display:flex;justify-content:flex-start;text-align:left;width:100%;padding:14px;font-size:14.5px;color:var(--ink-faint);border-bottom:1px solid var(--line-soft)}
  .nav-group .caret{display:none}
  .nav-menu{position:static;display:flex;background:transparent;border:0;box-shadow:none;padding:0;min-width:0}
  .nav-sublink{display:block;padding:12px 14px 12px 28px;font-size:14px;border-bottom:1px solid var(--line-soft)}
  .nav-cta{margin:10px 4px 4px;text-align:center;padding:13px 16px}
}
@media(max-width:560px){
  .grid-3,.grid-2{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;align-items:flex-start;text-align:left}
  .footer-meta{text-align:left}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ============================================================
   Social + share (footer icon row, article share bar)
   ============================================================ */
.footer-social{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.footer-social a{width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--line);color:var(--ink-dim);transition:color .16s,border-color .16s}
.footer-social a:hover{color:var(--amber);border-color:var(--amber-line)}
.footer-social a svg{width:17px;height:17px;fill:currentColor}

.share-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:38px 0 6px;padding-top:22px;border-top:1px solid var(--line)}
.share-bar .share-label{font-family:var(--mono);font-size:11px;letter-spacing:0.14em;text-transform:uppercase;color:var(--ink-faint)}
.share-bar a,.share-bar button{width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--line);background:transparent;color:var(--ink-dim);cursor:pointer;transition:color .16s,border-color .16s;font:inherit;text-decoration:none}
.share-bar a:hover,.share-bar button:hover{color:var(--amber);border-color:var(--amber-line)}
.share-bar svg{width:17px;height:17px;fill:currentColor}
.share-bar .js-share-copy.copied{color:var(--ok);border-color:var(--ok)}

/* ============================================================
   Newsletter signup band
   ============================================================ */
.newsletter{background:var(--panel);border:1px solid var(--line);padding:34px 32px;margin:8px 0;text-align:center}
.newsletter h3{font-family:var(--disp);font-weight:600;font-size:clamp(20px,2.4vw,26px);letter-spacing:-0.01em;margin:0 0 8px}
.newsletter p{color:var(--ink-dim);font-size:14.5px;max-width:52ch;margin:0 auto 22px}
.nl-form{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;max-width:480px;margin:0 auto}
.nl-form input[type=email]{flex:1;min-width:220px;background:var(--bg-2);border:1px solid var(--line);padding:12px 14px;color:var(--ink);font-size:14px;font-family:var(--sans);outline:none;transition:border-color .15s}
.nl-form input[type=email]:focus{border-color:var(--amber-line)}
.nl-form button{background:var(--amber);color:#1a1a1f;border:0;padding:12px 22px;font-family:var(--mono);font-size:12.5px;letter-spacing:0.04em;font-weight:600;cursor:pointer;transition:opacity .15s;white-space:nowrap}
.nl-form button:hover{opacity:.9}
.nl-form button:disabled{opacity:.5;cursor:default}
.nl-hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.nl-msg{margin-top:14px;font-family:var(--mono);font-size:12px;min-height:1em}
.nl-msg.ok{color:var(--ok)}
.nl-msg.err{color:var(--block)}

/* ============================================================
   Journal category filter tabs
   ============================================================ */
.blog-filter{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:26px}
.blog-chip{font-family:var(--mono);font-size:12px;letter-spacing:0.04em;color:var(--ink-dim);background:transparent;border:1px solid var(--line);padding:7px 14px;cursor:pointer;transition:color .15s,border-color .15s}
.blog-chip:hover{color:var(--amber)}
.blog-chip.active{color:var(--amber);border-color:var(--amber-line);background:var(--amber-soft)}
.blog-chip .bc-n{font-size:10px;opacity:.6;margin-left:3px}
.card.hide{display:none}