/* "Dark room" — monochrome cinema theme.
   Tokens follow the design handoff (design_handoff_personal_site);
   type and spacing are scaled 1.25× from the handoff's measurements. */

:root {
  --bg: #0f0f0e;        /* page background */
  --raised: #131312;    /* raised surface / row hover */
  --hairline: #1c1b1a;  /* writing-list row dividers */
  --border: #262523;    /* section borders, dividers */
  --faint: #4d4b47;     /* numbers, footer, metadata labels */
  --dim: #8f8c85;       /* secondary text */
  --body: #bdbab3;      /* body text */
  --text: #e8e6e1;      /* primary text */
  --mono: 'IBM Plex Mono', monospace;
  --sans: 'Space Grotesk', sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--text); text-decoration: none; }
a:hover { color: #ffffff; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 50px; }
.wrap--post { max-width: 1000px; }

/* ---- film grain (site-wide, fixed overlay) ---- */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.55;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix type='matrix' values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.10 0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- nav ---- */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 30px 0;
  border-bottom: 1px solid var(--border);
}
.nav-name { font: 500 16px var(--mono); letter-spacing: .06em; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  font: 400 15.5px var(--mono);
}
.nav-links a { color: var(--dim); }
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); }
.nav-divider { width: 1px; height: 20px; background: var(--border); }
.nav-icons { display: flex; align-items: center; gap: 22px; }
.nav-icons a { display: flex; color: var(--dim); }
.nav-icons a:hover { color: var(--text); }
.nav-back { font: 400 15.5px var(--mono); color: var(--dim); }
.nav-back:hover { color: var(--text); }

/* ---- labels ("WRITING", "CURRENTLY", …) ---- */
.label {
  font: 400 14px var(--mono);
  color: var(--dim);
  letter-spacing: .12em;
  text-transform: uppercase;
}

/* ---- home: hero ---- */
.hero { padding: 130px 0 120px; border-bottom: 1px solid var(--border); }
.hero h1 {
  margin: 0;
  font: 500 65px/1.15 var(--sans);
  letter-spacing: -.02em;
  max-width: 800px;
  text-wrap: pretty;
}
.hero h1 .dim { color: var(--dim); }
.hero p {
  margin: 32px 0 0;
  font: 400 18px/1.75 var(--mono);
  color: var(--dim);
  max-width: 625px;
}

/* ---- home: writing index ---- */
.writing { padding: 80px 0 50px; border-bottom: 1px solid var(--border); }
.post-list { margin-top: 18px; display: flex; flex-direction: column; }
.post-row {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 22px;
  align-items: baseline;
  padding: 25px 22px;
  margin: 0 -22px;
  border-radius: 8px;
  border-bottom: 1px solid var(--hairline);
  transition: background .15s ease;
}
.post-row:last-child { border-bottom: none; }
.post-row:hover { background: var(--raised); }
.post-row .num { font: 400 15px var(--mono); color: var(--faint); }
.post-row .title { font: 500 25px var(--sans); }
.post-row--culture .title { font: italic 400 25px var(--sans); color: var(--body); }
.post-row .meta { font: 400 14px var(--mono); color: var(--dim); }

/* ---- footer ---- */
.footer {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 28px 0 35px;
  font: 400 14px var(--mono);
  color: var(--faint);
}
.footer--bordered { border-top: 1px solid var(--border); }
.footer a { color: var(--faint); }
.footer a:hover { color: var(--dim); }

/* ---- blog post ---- */
.post { padding: 100px 0 75px; }
.post-meta { font: 400 14px var(--mono); color: var(--faint); }
.post-title {
  position: relative;
  margin: 22px 0 0;
  font: 500 50px/1.2 var(--sans);
  letter-spacing: -.02em;
  text-wrap: pretty;
}
/* heavier grain cloud behind the title, fading out at the edges */
.post-title::before {
  content: "";
  position: absolute;
  inset: -88px -112px;
  z-index: -1;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix type='matrix' values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.14 0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
  -webkit-mask-image: radial-gradient(closest-side, #000 25%, transparent 96%);
  mask-image: radial-gradient(closest-side, #000 25%, transparent 96%);
}
.dek {
  margin: 20px 0 0;
  font: italic 400 19px/1.7 var(--mono);
  color: var(--dim);
}

.byline {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-top: 38px;
}
.byline-avatar {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  border: 1px solid var(--border);
}
.byline-name { display: block; font: 500 17.5px var(--sans); color: var(--text); }
.byline-role { display: block; margin-top: 3px; font: 400 14px var(--mono); color: var(--dim); }

article {
  margin-top: 60px;
  font: 400 20.5px/1.85 var(--sans);
  color: var(--body);
}
article p { margin: 0 0 32px; text-wrap: pretty; }
article h2 {
  margin: 55px 0 32px;
  font: 500 30px/1.3 var(--sans);
  color: var(--text);
  letter-spacing: -.01em;
}
article h3 {
  margin: 45px 0 28px;
  font: 500 24px/1.35 var(--sans);
  color: var(--text);
}
article a {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--faint);
}
article strong { color: var(--text); font-weight: 600; }
article blockquote {
  margin: 0 0 32px;
  border-left: 2px solid var(--border);
  padding: 5px 0 5px 28px;
  font-style: italic;
  color: var(--dim);
}
article blockquote p { margin: 0; }
article ul, article ol { margin: 0 0 32px; padding-left: 32px; }
article li { margin-bottom: 10px; }
article li::marker { color: var(--dim); }
article code {
  font: 400 .82em var(--mono);
  color: var(--text);
  background: var(--raised);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  padding: 1px 6px;
}
article pre {
  margin: 0 0 32px;
  background: var(--raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 25px 28px;
  overflow-x: auto;
}
article pre code {
  font: 400 16px/1.7 var(--mono);
  color: var(--body);
  background: none;
  border: none;
  padding: 0;
}
article sup { font: 400 14px var(--mono); }
article sup a { color: var(--dim); text-decoration: none; }
article sup a:hover { color: var(--text); }

/* python-markdown footnotes block */
article .footnote {
  margin-top: 80px;
  border-top: 1px solid var(--border);
  padding-top: 30px;
  font: 400 15.5px/1.7 var(--mono);
  color: var(--dim);
}
article .footnote hr { display: none; }
article .footnote ol { margin: 0; padding-left: 22px; }
article .footnote li::marker { color: var(--faint); }
article .footnote p { margin: 0 0 12px; }

/* ---- about ---- */
.about-intro {
  padding: 112px 0 88px;
  border-bottom: 1px solid var(--border);
}
.about-intro h1 {
  margin: 0;
  font: 500 50px/1.25 var(--sans);
  letter-spacing: -.02em;
  max-width: 900px;
  text-wrap: pretty;
}
.about-intro .lede {
  margin: 30px 0 0;
  font: 400 19px/1.8 var(--sans);
  color: var(--body);
  max-width: 700px;
  text-wrap: pretty;
}

.about-section {
  padding: 75px 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 30px;
}
.about-section--last { border-bottom: none; }
.about-section .label { padding-top: 8px; }
.about-body {
  max-width: 700px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.about-body p {
  margin: 0;
  font: 400 19px/1.8 var(--sans);
  color: var(--body);
  text-wrap: pretty;
}

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  max-width: 700px;
}
.card {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 22px;
  transition: border-color .15s ease, background .15s ease;
}
.card:hover { border-color: var(--faint); background: var(--raised); }
.card .name { font: 500 17.5px var(--sans); }
.card .note { font: 400 14px var(--mono); color: var(--dim); }

/* ---- responsive (design is desktop-first; collapse below ~760px) ---- */
@media (max-width: 760px) {
  .wrap { padding: 0 24px; }
  .nav-links { gap: 20px; }
  .nav-icons { gap: 16px; }
  .hero { padding: 88px 0 75px; }
  .hero h1 { font-size: 44px; }
  .post-row { grid-template-columns: 50px 1fr; gap: 10px 16px; }
  .post-row .meta { grid-column: 2; }
  .post-title { font-size: 38px; }
  .about-section { grid-template-columns: 1fr; gap: 18px; padding: 55px 0; }
  .cards { grid-template-columns: 1fr; }
}