/* Mextropic — blog styles.
   Self-contained on purpose: index.html keeps its own inline <style>, so
   replacing the landing page wholesale can never break these pages. */

:root{
  --paper:#F2F3EF;
  --ink:#171E1B;
  --muted:#5C635E;
  --line:#D7D9D1;
  --signal:#1B2AC0;
  --ghost:#A7ADA4;
  --measure:34rem;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Newsreader",Georgia,serif;font-size:19px;line-height:1.66;
  font-optical-sizing:auto;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
::selection{background:var(--signal);color:#fff;}
a{color:var(--signal);text-decoration:none;border-bottom:1px solid rgba(27,42,192,.35);padding-bottom:1px;transition:border-color .15s ease;}
a:hover{border-color:var(--signal);}
a:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:2px;}

.shell{max-width:960px;margin:0 auto;padding:0 28px;}

/* ---- header bar (mirrors index.html) ---- */
header.bar{border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;
  background:color-mix(in srgb, var(--paper) 88%, transparent);backdrop-filter:saturate(120%) blur(6px);}
.bar-in{max-width:960px;margin:0 auto;padding:16px 28px;display:flex;align-items:baseline;justify-content:space-between;gap:20px;}
.wordmark{font-family:"Archivo Expanded","Archivo",sans-serif;font-weight:800;letter-spacing:-.01em;font-size:1.05rem;color:var(--ink);border:none;padding:0;}
.wordmark .dot{color:var(--signal);}
.bar-nav{display:flex;gap:22px;}
.bar-tag{font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);border:none;padding:0;}
.bar-tag:hover{color:var(--ink);}
.bar-tag[aria-current="page"]{color:var(--ink);}

/* ---- shared bits ---- */
.kicker{font-family:"JetBrains Mono",monospace;font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin:0 0 30px;}
.kicker b{color:var(--signal);font-weight:500;}
.meta{font-family:"JetBrains Mono",monospace;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);}

/* ---- blog index ---- */
.idx-head{padding:76px 0 44px;}
.idx-head h1{font-family:"Archivo Expanded","Archivo",sans-serif;font-weight:800;letter-spacing:-.02em;line-height:1.03;font-size:clamp(2.2rem,5.4vw,3.6rem);margin:0 0 22px;max-width:15ch;}
.idx-head p{font-size:1.22rem;line-height:1.5;max-width:var(--measure);color:var(--muted);margin:0;}

.posts{margin:0;padding:0;list-style:none;border-top:1px solid var(--line);}
.posts > li{border-bottom:1px solid var(--line);}
.posts a.card{display:grid;grid-template-columns:52px minmax(0,1fr);gap:26px;align-items:start;
  padding:30px 0;border:none;color:inherit;}
.posts a.card:hover .p-title{color:var(--signal);}
.posts a.card:focus-visible{outline:2px solid var(--signal);outline-offset:4px;border-radius:2px;}
.p-ix{font-family:"JetBrains Mono",monospace;font-size:.74rem;color:var(--signal);line-height:2.2;}
.p-title{font-family:"Archivo",sans-serif;font-weight:700;letter-spacing:-.015em;
  font-size:clamp(1.35rem,3vw,1.9rem);line-height:1.12;margin:0 0 12px;transition:color .15s ease;}
.p-deck{margin:0 0 14px;color:var(--muted);max-width:var(--measure);}
.p-meta{font-family:"JetBrains Mono",monospace;font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ghost);}
.p-meta .sep{opacity:.5;padding:0 8px;}

.idx-empty{padding:40px 0 0;color:var(--muted);}

/* ---- post ---- */
.post{max-width:var(--measure);margin:0 auto;padding:64px 0 0;}
.post .back{font-family:"JetBrains Mono",monospace;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);border:none;display:inline-block;margin:0 0 34px;}
.post .back:hover{color:var(--signal);}
.post h1{font-family:"Archivo Expanded","Archivo",sans-serif;font-weight:800;letter-spacing:-.02em;
  line-height:1.06;font-size:clamp(2rem,5vw,3.1rem);margin:0 0 24px;}
.post .deck{font-size:1.24rem;line-height:1.5;color:var(--muted);margin:0 0 28px;}
.post .byline{display:flex;flex-wrap:wrap;gap:0;align-items:baseline;
  padding:0 0 30px;border-bottom:1px solid var(--line);}
.post .byline .sep{opacity:.5;padding:0 9px;}

/* header image, allowed to spill wider than the text column and stay centred on it */
.figure{margin:38px 0 40px;width:min(904px, calc(100vw - 56px));
  margin-left:50%;transform:translateX(-50%);}
.figure img{display:block;width:100%;height:auto;border:1px solid var(--line);}
.figure figcaption{font-family:"JetBrains Mono",monospace;font-size:.68rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ghost);margin-top:12px;}

.post h2{font-family:"Archivo",sans-serif;font-weight:700;letter-spacing:-.015em;
  font-size:clamp(1.4rem,3.2vw,1.85rem);line-height:1.12;margin:46px 0 20px;}
.post h2 .n{font-family:"JetBrains Mono",monospace;font-size:.62em;color:var(--signal);
  font-weight:400;letter-spacing:.08em;margin-right:12px;vertical-align:.06em;}
.post p{margin:0 0 20px;}
.post p strong{font-weight:500;color:var(--ink);background:linear-gradient(transparent 62%, rgba(27,42,192,.14) 62%);}
.post .lead{font-size:1.14rem;}
.post blockquote{margin:32px 0;padding:0 0 0 22px;border-left:2px solid var(--signal);
  font-size:1.16rem;line-height:1.5;color:var(--ink);}
.post blockquote p:last-child{margin-bottom:0;}

/* numbered breakdown list (e.g. "four ways") */
.ways{margin:28px 0 0;padding:0;list-style:none;border-top:1px solid var(--line);}
.ways li{display:grid;grid-template-columns:44px minmax(0,1fr);gap:14px;
  padding:20px 0;border-bottom:1px solid var(--line);}
.ways li .ix{font-family:"JetBrains Mono",monospace;font-size:.74rem;color:var(--signal);line-height:1.9;}
.ways li .hd{font-family:"Archivo",sans-serif;font-weight:600;font-size:1.05rem;line-height:1.35;
  letter-spacing:-.01em;color:var(--ink);display:block;margin-bottom:8px;}
.ways li p{margin:0;color:var(--muted);}

.signoff{margin:44px 0 0;padding:26px 0 0;border-top:1px solid var(--line);
  font-family:"Archivo",sans-serif;font-weight:600;font-size:1.05rem;letter-spacing:-.01em;}

.tags{margin:30px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:8px;}
.tags li{font-family:"JetBrains Mono",monospace;font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);border:1px solid var(--line);padding:5px 10px;}

.post-end{margin:48px 0 0;padding:34px 0 0;border-top:1px solid var(--line);}
.post-end h3{font-family:"Archivo Expanded","Archivo",sans-serif;font-weight:800;letter-spacing:-.02em;
  font-size:1.35rem;line-height:1.15;margin:0 0 14px;}
.post-end p{color:var(--muted);margin:0;}

footer{border-top:1px solid var(--line);padding:26px 0 60px;margin-top:70px;scroll-margin-top:70px;}
footer .fin{font-family:"JetBrains Mono",monospace;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}
footer .fin a{color:var(--muted);border-bottom:1px solid var(--line);}
footer .fin a:hover{color:var(--signal);border-color:var(--signal);}

/* motion */
.rise{opacity:0;transform:translateY(12px);animation:rise .7s cubic-bezier(.2,.7,.2,1) forwards;}
.d1{animation-delay:.05s;}.d2{animation-delay:.16s;}.d3{animation-delay:.28s;}
@keyframes rise{to{opacity:1;transform:none;}}

@media (max-width:760px){
  body{font-size:18px;}
  .post{padding-top:44px;}
  .idx-head{padding:48px 0 32px;}
  .posts a.card{grid-template-columns:1fr;gap:10px;}
  .p-ix{line-height:1.4;}
  .ways li{grid-template-columns:1fr;gap:6px;}
  .ways li .ix{line-height:1.4;}
}
@media (prefers-reduced-motion:reduce){
  .rise{animation:none;opacity:1;transform:none;}
  header.bar{backdrop-filter:none;}
}