:root{
  /* palette traced from the logo — shared with the landing page */
  --paper:      #e8e3d7;
  --paper-lit:  #f1ecdf;
  --paper-deep: #ddd6c5;
  --ink:        #2c3940;
  --slate:      #3a474f;
  --rust:       #b3593e;
  --ember:      #d26e3c;
  --tan:        #c0ab8e;
  --cap:        #8a8b85;
  --smoke:      #e7ebee;

  --line: color-mix(in srgb, var(--slate) 22%, transparent);
  --line-soft: color-mix(in srgb, var(--slate) 12%, transparent);

  --font-display: "Bricolage Grotesque", "Trebuchet MS", sans-serif;
  --font-mono: "Spline Sans Mono", ui-monospace, "SF Mono", monospace;

  --maxw: 1180px;
  --readw: 68ch;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-display);
  color:var(--ink);
  background:var(--paper);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}

/* engineering graph-paper grid + grain, layered over the paper */
body::before{
  content:"";
  position:fixed;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:34px 34px;
  mask-image:radial-gradient(ellipse 120% 70% at 50% 0%, #000 30%, transparent 75%);
}
body::after{
  content:"";
  position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap{position:relative;z-index:1;width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

a{color:inherit;text-decoration:none}
.mono{font-family:var(--font-mono);font-weight:500;letter-spacing:.02em}
.kicker{
  font-family:var(--font-mono);font-size:.72rem;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;color:var(--rust);
}

/* ---------- top bar (shared with landing) ---------- */
header{position:relative;z-index:3;flex:0 0 auto}
.bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 0;
}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:36px;height:36px;display:block;transform:translateY(-10%)}
.brand b{font-weight:700;font-size:1.18rem;letter-spacing:-.01em}
.brand .dot{color:var(--rust)}
nav{display:flex;align-items:center;gap:24px}
.nlink{
  font-family:var(--font-mono);font-size:.82rem;font-weight:500;
  color:var(--slate);transition:color .15s ease;
}
.nlink:hover,.nlink.active{color:var(--rust)}
.gh{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:.82rem;font-weight:500;
  padding:9px 14px;border:1.5px solid var(--ink);border-radius:9px;
  background:var(--ink);color:var(--paper-lit);
  transition:transform .15s ease, box-shadow .15s ease;
}
.gh:hover{transform:translateY(-1px);box-shadow:3px 4px 0 rgba(44,57,64,.25)}
.gh svg{width:16px;height:16px;fill:currentColor}

/* ---------- main ---------- */
main{position:relative;z-index:1;flex:1 0 auto;width:100%}

/* ---------- blog index ---------- */
.log-head{padding:48px 0 8px;max-width:var(--readw)}
.log-head h1{font-size:clamp(2.1rem,4vw,3rem);font-weight:800;letter-spacing:-.025em;line-height:1.04;margin-top:12px}
.log-head p{color:var(--slate);font-size:1.06rem;margin-top:16px;max-width:54ch}

.rule{height:1.5px;background:var(--line);margin:0;border:0}

.post-list{list-style:none;padding:30px 0 64px;max-width:var(--readw)}
.post-list li{padding:26px 0;border-bottom:1.5px solid var(--line-soft)}
.post-list li:first-child{padding-top:8px}
.post-list time{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.05em;
  text-transform:uppercase;color:var(--slate);opacity:.75;
}
.post-list h2{
  font-size:1.5rem;font-weight:700;letter-spacing:-.015em;line-height:1.15;
  margin:8px 0 0;transition:color .15s ease;
}
.post-list a:hover h2{color:var(--rust)}
.post-list .excerpt{color:var(--slate);margin-top:8px;font-size:1rem;max-width:58ch}
.post-list .more{
  font-family:var(--font-mono);font-size:.76rem;color:var(--rust);
  margin-top:12px;display:inline-flex;align-items:center;gap:7px;
}
.post-list .more::after{content:"→";transition:transform .15s ease}
.post-list a:hover .more::after{transform:translateX(3px)}
.empty{color:var(--slate);opacity:.8;font-family:var(--font-mono);font-size:.9rem;padding:30px 0 64px}

/* ---------- single post ---------- */
.post{padding:44px 0 72px}
.post-header{max-width:var(--readw);margin:0 auto 30px}
.post-header .meta{
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.05em;
  text-transform:uppercase;color:var(--slate);opacity:.8;
  display:flex;gap:14px;flex-wrap:wrap;align-items:center;
}
.post-header .meta .dot-sep{width:4px;height:4px;border-radius:50%;background:var(--ember)}
.post-header h1{
  font-size:clamp(2rem,4.2vw,3rem);font-weight:800;letter-spacing:-.028em;
  line-height:1.05;margin-top:16px;text-wrap:balance;
}
.post-header .lede{color:var(--slate);font-size:1.18rem;margin-top:16px;line-height:1.5}

.back{
  font-family:var(--font-mono);font-size:.78rem;color:var(--slate);
  display:inline-flex;align-items:center;gap:7px;margin-bottom:6px;
  transition:color .15s ease;
}
.back::before{content:"←"}
.back:hover{color:var(--rust)}

/* article body typography */
.prose{max-width:var(--readw);margin:0 auto;font-size:1.075rem;line-height:1.72}
.prose > * + *{margin-top:1.15em}
.prose h2{
  font-size:1.6rem;font-weight:700;letter-spacing:-.015em;line-height:1.2;
  margin-top:2.2em;padding-top:.2em;
}
.prose h3{font-size:1.24rem;font-weight:600;letter-spacing:-.01em;margin-top:1.8em}
.prose h2 + *, .prose h3 + *{margin-top:.6em}
.prose a{color:var(--rust);text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--rust) 40%,transparent);text-underline-offset:3px;transition:text-decoration-color .15s ease}
.prose a:hover{text-decoration-color:var(--rust)}
.prose strong{font-weight:700}
.prose em{font-style:italic}
.prose ul,.prose ol{padding-left:1.4em}
.prose li{margin-top:.4em}
.prose li::marker{color:var(--rust)}

.prose blockquote{
  border-left:2.5px solid var(--rust);
  padding:2px 0 2px 20px;margin-left:0;
  color:var(--slate);font-style:italic;
}

/* inline + block code */
.prose code{
  font-family:var(--font-mono);font-size:.86em;
  background:color-mix(in srgb,var(--paper-deep) 70%,var(--paper-lit));
  padding:.12em .4em;border-radius:5px;border:1px solid var(--line-soft);
}
.prose pre{
  font-family:var(--font-mono);font-size:.84rem;line-height:1.6;
  background:#26313a;color:#e7ddc9;
  padding:18px 20px;border-radius:12px;overflow-x:auto;
  border:1.5px solid color-mix(in srgb,var(--ink) 60%,#000);
  box-shadow:0 10px 24px -16px rgba(44,57,64,.6);
}
.prose pre code{background:none;border:0;padding:0;font-size:inherit;color:inherit}

/* images + video loops — blueprint frame to match the landing canvas */
.prose img,
.prose video{
  display:block;width:100%;height:auto;border-radius:14px;
  border:1.5px solid var(--line);
  background:var(--paper-lit);
  box-shadow:0 24px 50px -28px rgba(44,57,64,.5);
  margin:1.6em auto;
}
.prose figure{margin:1.8em 0}
.prose figcaption{
  font-family:var(--font-mono);font-size:.72rem;color:var(--slate);
  opacity:.7;text-align:center;margin-top:12px;
}

/* wide "breakout" figures — for graph screenshots where topology matters.
   Centered on the page, wider than the reading column. */
.prose figure.wide{
  width:min(1140px, 94vw);
  margin-left:50%;
  transform:translateX(-50%);
}
.prose figure a{display:block;text-decoration:none}
.prose figure.wide img{cursor:zoom-in}  /* click opens full-res in a new tab */

.prose hr{height:1.5px;background:var(--line);border:0;margin:2.4em 0}

/* post footer nav */
.post-foot{max-width:var(--readw);margin:48px auto 0;padding-top:28px;border-top:1.5px solid var(--line)}
.post-foot a{
  font-family:var(--font-mono);font-size:.82rem;color:var(--rust);
  display:inline-flex;align-items:center;gap:8px;
}
.post-foot a::before{content:"←"}

/* ---------- footer ---------- */
footer{position:relative;z-index:1;flex:0 0 auto;margin-top:48px;border-top:1.5px solid var(--line)}
.foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:26px 0;font-family:var(--font-mono);font-size:.76rem;color:var(--slate);
}
.foot .links{display:flex;gap:20px}
.foot a:hover{color:var(--rust)}

/* ---------- lightbox ---------- */
.lightbox{
  position:fixed;inset:0;z-index:50;display:none;
  align-items:center;justify-content:center;padding:4vmin;
  background:color-mix(in srgb, var(--ink) 84%, transparent);
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  cursor:zoom-out;
}
.lightbox.open{display:flex;animation:lbfade .18s ease}
@keyframes lbfade{from{opacity:0}to{opacity:1}}
.lightbox img{
  max-width:94vw;max-height:92vh;width:auto;height:auto;
  border-radius:12px;border:1.5px solid color-mix(in srgb,var(--paper) 35%, transparent);
  box-shadow:0 40px 90px -30px rgba(0,0,0,.7);
  cursor:default;
}
.lightbox .close{
  position:absolute;top:16px;right:20px;
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.08em;
  color:var(--paper-lit);background:none;border:0;cursor:pointer;
  opacity:.8;transition:opacity .15s ease, color .15s ease;
}
.lightbox .close:hover{opacity:1;color:var(--ember)}

@media(max-width:560px){
  nav{gap:16px}
  .post-header .lede{font-size:1.08rem}
}