/* SAM. Blog system — shared brand + layout. Ink chrome / Paper reading surface. */
:root{
  --ink:#141414;--ink2:#0A0A0A;--panel:#1A1A1A;--panel2:#202020;--line:#343434;--line2:#262626;
  --gray:#6E6E6E;--gray2:#9A9A98;--gray3:#C9C9C5;--gray4:#E4E4DF;
  --paper:#FAFAF6;--paper2:#F2F2EC;--paper-line:#E4E4DF;--paper-line2:#D6D6CF;
  --ink-body:#2A2A28;--ink-soft:#4A4A47;
  --orange:#EC5022;--orange-dk:#C73E14;--orange-lt:#FF5C2E;--tint:#FFF2EC;--tint2:#FFE2D6;
  --mono:'IBM Plex Mono',ui-monospace,monospace;--sans:'Archivo',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--ink);color:var(--paper);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--orange);text-decoration:none}
a:hover{color:var(--orange-dk)}
img{max-width:100%;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* ---- wordmark + living dot ---- */
.wordmark{font-weight:900;letter-spacing:-.03em;color:var(--paper);display:inline-block}
.wordmark .wm-dot{color:var(--orange)}
.wordmark.pulse .wm-dot{display:inline-block;animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.72)}}

/* ---- mono eyebrows / labels ---- */
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--gray2)}
.cat-tag{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--orange)}
.meta-line{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--gray)}

/* ---- counters + buttons ---- */
.counter{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);display:inline-flex;align-items:center;gap:10px}
.counter .dot{width:8px;height:8px;border-radius:50%;background:var(--orange);flex:none;animation:pulse 2.2s ease-in-out infinite}
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--orange);color:#fff;font-family:var(--sans);font-weight:600;font-size:16px;padding:15px 34px;border-radius:999px;border:none;cursor:pointer;transition:background .15s;line-height:1;white-space:nowrap}
.btn:hover{background:var(--orange-dk);color:#fff}
.btn.ghost{background:transparent;color:var(--paper);border:1px solid var(--line)}
.btn.ghost:hover{background:var(--panel);color:var(--paper);border-color:var(--gray)}

/* ---- site header (Ink chrome) ---- */
.site-head{position:sticky;top:0;z-index:60;background:rgba(10,10,10,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.site-head .wordmark{font-size:23px}
.site-nav{display:flex;align-items:center;gap:30px}
.site-nav a{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--gray3)}
.site-nav a:hover{color:var(--paper)}
.site-nav .btn{padding:11px 22px;font-size:14px}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;color:var(--paper);font-family:var(--mono);font-size:11px;letter-spacing:.1em;cursor:pointer}

/* ---- footer (Ink) ---- */
.site-foot{background:var(--ink2);border-top:1px solid var(--line);padding:72px 0 48px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.site-foot .wordmark{font-size:26px;margin-bottom:16px}
.foot-promise{color:var(--gray2);font-size:14.5px;max-width:280px;line-height:1.6}
.foot-col h4{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gray);margin-bottom:18px}
.foot-col ul{list-style:none;display:grid;gap:11px}
.foot-col a{color:var(--gray3);font-size:14.5px}
.foot-col a:hover{color:var(--paper)}
.foot-bottom{margin-top:56px;padding-top:28px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:16px}
.foot-bottom .meta-line{color:var(--gray)}

/* ---- proof card (signature) ---- */
.proof{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--panel);color:var(--paper)}
.proof-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gray2)}
.proof-head .live{color:var(--orange);display:inline-flex;align-items:center;gap:8px}
.proof-head .live .dot{width:7px;height:7px;border-radius:50%;background:var(--orange);animation:pulse 2.2s ease-in-out infinite}
.proof-body{padding:6px 0}
.proof-row{display:grid;grid-template-columns:84px 20px 1fr;gap:12px;align-items:baseline;padding:13px 18px;border-bottom:1px solid var(--line2);font-family:var(--mono);font-size:12.5px}
.proof-row:last-child{border-bottom:none}
.proof-row .t{color:var(--gray)}
.proof-row .k{color:var(--orange);font-weight:500}
.proof-row .m{color:var(--gray3);line-height:1.45}
.proof-row .m b{color:var(--orange);font-weight:500;font-family:var(--mono)}
.proof-foot{padding:13px 18px;border-top:1px solid var(--line);font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gray);display:flex;align-items:center;gap:10px}
.proof-foot .dot{width:6px;height:6px;border-radius:50%;background:var(--orange)}
.proof-cap{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--gray);text-align:center;margin-top:12px}
/* proof card sitting inside a Paper article gets a caption below */

/* ---- Ink CTA block (inline + end) ---- */
.cta-block{background:var(--ink);color:var(--paper);border-radius:14px;padding:44px 44px}
.cta-block .eyebrow{color:var(--gray2);margin-bottom:18px;display:flex;align-items:center;gap:12px}
.cta-block h3{font-weight:800;font-size:clamp(24px,3vw,32px);line-height:1.15;letter-spacing:-.015em;margin-bottom:14px;color:var(--paper)}
.cta-block p{color:var(--gray3);font-size:16px;max-width:52ch;margin-bottom:26px}
.cta-form{display:flex;align-items:stretch;gap:0;max-width:460px;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:var(--panel)}
.cta-form input{flex:1;background:transparent;border:none;outline:none;color:var(--paper);font-family:var(--sans);font-size:15px;padding:0 20px}
.cta-form input::placeholder{color:var(--gray)}
.cta-form .btn{border-radius:999px;margin:4px}
.cta-under{display:flex;align-items:center;gap:20px;margin-top:18px;flex-wrap:wrap}
.cta-block.end{padding:56px 48px;text-align:center}
.cta-block.end .eyebrow{justify-content:center}
.cta-block.end h3{font-size:clamp(28px,4vw,44px);max-width:16ch;margin-left:auto;margin-right:auto}
.cta-block.end .cta-form{margin:0 auto}
.cta-block.end .cta-under{justify-content:center}
.wedge{font-family:var(--sans);font-weight:700;font-size:clamp(18px,2.2vw,22px);color:var(--paper);letter-spacing:-.01em;margin-bottom:30px}
.wedge b{color:var(--orange);font-weight:700}

/* ---- Paper article cards (used on hub + category + related) ---- */
.card{background:var(--paper);color:var(--ink);border:1px solid var(--paper-line2);border-radius:12px;padding:26px 26px 28px;display:flex;flex-direction:column;gap:12px;transition:border-color .15s}
.card:hover{border-color:var(--orange)}
.card .cat-tag{color:var(--orange)}
.card h3{font-weight:800;font-size:21px;line-height:1.2;letter-spacing:-.01em;color:var(--ink);text-wrap:pretty}
.card:hover h3{color:var(--ink)}
.card .dek{color:var(--ink-soft);font-size:14.5px;line-height:1.55;flex:1}
.card .card-meta{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--gray);display:flex;align-items:center;gap:10px;margin-top:4px}
.card .card-meta .sep{color:var(--paper-line2)}

@media(max-width:860px){
  .site-nav{display:none}
  .nav-toggle{display:inline-block}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-block{padding:32px 24px}
  .cta-block.end{padding:40px 24px}
  .cta-form{max-width:100%}
}
@media(max-width:520px){
  .foot-grid{grid-template-columns:1fr}
  .cta-form{flex-direction:column;border-radius:14px;gap:8px;padding:8px}
  .cta-form input{padding:14px 16px}
  .cta-form .btn{border-radius:10px;justify-content:center;margin:0}
}

/* Blog post template: the mobile 'Jump to a section' bar carries .wrap and a -24px side bleed
   meant for a padded parent; .art-surface has no side padding, so at <=900px it ran 24px past
   the screen (414px at 390). Higher specificity than the per-post rule so every post is safe. */
@media(max-width:900px){.art-surface>.toc-mobile{margin-left:0;margin-right:0;padding-left:0;padding-right:0}}