/* ════════════════════════════════════════════════════════════
   mattbis.com design system — ported verbatim so blog.mattbis.com
   reads as the same property. Tokens, fonts, noise overlay, focus.
   ════════════════════════════════════════════════════════════ */
:root{
  --bg:#f4f1ea;
  --ink:#1a1714;
  --ink-soft:#4a443c;
  --ink-faint:#6e6557;
  --line:#d8d2c6;
  --line-soft:#e4ded2;
  --accent:#b5341f;
  --accent-hover:#9c2c1a;
  --paper:#faf8f3;
  --shadow:rgba(26,23,20,.08);
  --display:'Space Grotesk',-apple-system,BlinkMacSystemFont,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --serif:'Newsreader',Georgia,serif;
  --focus:0 0 0 2px var(--bg), 0 0 0 4px var(--accent);
  --easing:cubic-bezier(.2,.7,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--serif);
  font-size:19px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  min-height:100vh;
  display:flex;flex-direction:column;
}
body::before{
  content:"";
  position:fixed;inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events:none;z-index:9999;mix-blend-mode:multiply;
}

:focus{outline:none}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:2px}

.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);
  padding:12px 18px;font-family:var(--mono);font-size:12px;z-index:1000;border-radius:2px}
.skip:focus{left:16px;top:16px}

.wrap{max-width:760px;margin:0 auto;padding:0 7vw;width:100%}
.wrap--wide{max-width:1080px}
@media(max-width:640px){.wrap{padding:0 22px}}

/* ─── NAV ─────────────────────────────────────────── */
.nav{
  position:sticky;top:0;z-index:100;
  display:flex;justify-content:space-between;align-items:center;
  padding:18px 7vw;
  background:color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  font-family:var(--mono);
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;
}
@media(max-width:640px){.nav{padding:14px 22px}}
.nav__brand{font-weight:500;color:var(--ink);text-decoration:none;display:inline-flex;align-items:center;gap:9px}
.nav__brand .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.nav__links{display:flex;gap:6px;align-items:center}
.nav__links a{color:var(--ink-soft);text-decoration:none;padding:10px 14px;border-radius:2px;transition:color .25s}
.nav__links a:hover{color:var(--accent)}

/* ─── FOOTER ──────────────────────────────────────── */
.foot{
  margin-top:auto;
  padding:48px 0;font-family:var(--mono);font-size:12px;
  letter-spacing:.05em;color:var(--ink-faint);
  border-top:1px solid var(--line);
}
.foot .row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:18px;align-items:center}
@media(max-width:640px){.foot .row{flex-direction:column;align-items:flex-start;gap:18px}}
.foot a{color:var(--ink-soft);text-decoration:none;border-bottom:1px solid var(--line);
  padding:4px 0;transition:color .25s,border-color .25s}
.foot a:hover{color:var(--accent);border-color:var(--accent)}
.foot .fl{display:flex;gap:24px;flex-wrap:wrap}

/* ─── SHARED TYPE BITS ────────────────────────────── */
.eyebrow{
  font-family:var(--mono);font-size:12.5px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--accent);
  display:flex;align-items:center;gap:14px;
}
.tag{font-family:var(--mono);font-size:11px;letter-spacing:.04em;
  color:var(--ink-faint);border:1px solid var(--line);
  padding:6px 12px;border-radius:2px;text-decoration:none;
  transition:color .25s,border-color .25s,background .25s;display:inline-block}
a.tag:hover{color:var(--ink);border-color:var(--ink-soft);background:var(--paper)}
.tags{display:flex;flex-wrap:wrap;gap:8px}

.date{font-family:var(--mono);font-size:12px;letter-spacing:.05em;
  text-transform:uppercase;color:var(--ink-faint)}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important;scroll-behavior:auto !important;
  }
}