/* ==========================================================================
   Theme: 70s colour on Tufte paper.
   Loaded after blog.css / markdown.css so it overrides them.
   Palette: orange peel + blueberry (the two Nooma pieces), dusty pink,
   tomato red (deliberately not cadmium). Paper is Tufte's #fffff8.
   Orange and pink are for fills, borders and underlines only; they are too
   light for text on this paper.
   ========================================================================== */

@font-face {
  font-family: "ET Book";
  src: url("/fonts/et-book-roman-line-figures.woff") format("woff");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "ET Book";
  src: url("/fonts/et-book-display-italic-old-style-figures.woff") format("woff");
  font-weight: 400; font-style: italic; font-display: swap;
}
@font-face {
  font-family: "ET Book";
  src: url("/fonts/et-book-bold-line-figures.woff") format("woff");
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Fraunces";
  src: url("/fonts/fraunces-latin.woff2") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap;
}

:root {
  --paper: #fffff8;
  --ink: #23223b;          /* fountain-pen blue-black */
  --ink-soft: #5d5b72;
  --orange: #e4732c;       /* orange peel */
  --blue: #3e4c8a;         /* blueberry */
  --pink: #efa3b5;
  --tomato: #c7432f;
  --dot: rgba(35, 34, 59, 0.14);
  --accent: var(--tomato); /* pages without a section */
  --serif: "ET Book", Palatino, "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --display: "Fraunces", "Cooper Black", Georgia, serif;
}
.section-stats  { --accent: var(--blue); }
.section-essays { --accent: var(--orange); }

/* Leuchtturm dot grid, 5 mm pitch */
html {
  font-family: var(--serif);
  color: var(--ink);
  background-color: var(--paper);
  background-image: radial-gradient(circle, var(--dot) 1px, transparent 1.4px);
  background-size: 19px 19px;
  line-height: 1.6;
}
body { background: transparent; color: var(--ink); }

h1, h2, h3, h4, h5, h6,
.front-matter h4,
.front-matter .bylines .byline h3,
.front-matter .bylines .byline p {
  font-family: var(--display);
  font-variation-settings: "SOFT" 100, "WONK" 1;
  color: var(--ink);
}

a { color: var(--ink); text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:hover { color: var(--blue); }
a:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; border-radius: 2px; }

/* ---------- Masthead: the one loud thing ---------- */
.masthead { margin-bottom: 10px; }
.stripes span { display: block; height: 7px; }
.stripes span:nth-child(1) { background: var(--orange); }
.stripes span:nth-child(2) { background: var(--pink); }
.stripes span:nth-child(3) { background: var(--tomato); }
.stripes span:nth-child(4) { background: var(--blue); }

.masthead-inner {
  display: flex; flex-wrap: wrap; align-items: baseline;
  justify-content: space-between; gap: 8px 24px;
  padding: 22px 16px 0; box-sizing: border-box;
}
.wordmark {
  font-family: var(--display);
  font-size: 34px; font-weight: 750; letter-spacing: -0.01em;
  font-variation-settings: "SOFT" 100, "WONK" 1, "opsz" 144;
  text-decoration: none; color: var(--ink);
}
.wordmark:hover { color: var(--tomato); }
.nav-links { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 18px; }
.nav-links a {
  font-family: var(--display); font-size: 17px; font-weight: 500;
  font-variation-settings: "SOFT" 100;
  text-decoration: none; color: var(--ink);
  border-bottom: 3px solid var(--link-colour, var(--ink));
  padding-bottom: 1px;
}
.nav-links a:hover { border-bottom-width: 6px; color: var(--ink); }
.nav-stats  { --link-colour: var(--blue); }
.nav-essays { --link-colour: var(--orange); }
.nav-about  { --link-colour: var(--pink); }
.nav-rss    { --link-colour: var(--tomato); }

/* ---------- Listing pages (home, stats, essays) ---------- */
#blog { margin-top: 40px; padding: 0 16px; box-sizing: border-box; }
#blog #intro {
  font-family: var(--serif); font-style: normal;
  font-size: 22px; line-height: 1.45; margin-bottom: 36px;
}
#blog .section-heading {
  font-family: var(--display); font-size: 30px; font-weight: 650;
  text-transform: none; letter-spacing: 0; color: var(--ink);
  border-bottom: none; margin: 48px 0 18px; padding: 0;
  display: flex; align-items: center; gap: 12px;
}
#blog .section-heading::before {          /* bullet-journal signifier */
  content: ""; width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); flex: none;
}
#blog .post-row { position: relative; padding-left: 26px; margin-bottom: 22px; }
#blog .post-row::before {
  content: ""; position: absolute; left: 3px; top: 9px;
  width: 9px; height: 9px; border-radius: 50%; background: var(--accent);
}
#blog .post-title { display: block; margin: 0; font-size: 21px; line-height: 1.25; }
#blog .post-title a {
  font-family: var(--display); font-size: inherit; font-weight: 560; line-height: inherit;
  font-variation-settings: "SOFT" 100, "WONK" 0;
  text-decoration: none;
}
#blog .post-title a:hover { text-decoration: underline; text-decoration-color: var(--accent); }
#blog .post-date {
  font-family: var(--serif); font-style: italic; font-weight: 400;
  text-transform: none; font-size: 16px; color: var(--ink-soft); margin: 2px 0 0;
}
#blog .post-subtitle { font-size: 17px; margin: 2px 0 0; color: var(--ink); }
#blog .see-all { font-style: italic; font-size: 18px; margin: 4px 0 0 26px; }

/* ---------- Post pages ---------- */
.front-matter { border: none; padding: 36px 0 12px; }
.front-matter .wrap {
  border-left: 12px solid var(--accent);
  padding-left: 22px; box-sizing: border-box;
}
.front-matter h1 {
  font-size: 44px; line-height: 1.08; font-weight: 700; margin: 0 0 12px;
  font-variation-settings: "SOFT" 100, "WONK" 1, "opsz" 144;
}
.front-matter h4 {
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: 21px; line-height: 1.35; margin: 0 0 14px;
}
.front-matter .bylines .byline h3 { display: none; }
.front-matter .bylines .byline p {
  font-family: var(--serif); font-style: italic; font-size: 16px; color: var(--ink-soft);
}

.article { font-family: var(--serif); font-size: 20px; line-height: 1.6; color: var(--ink); margin-top: 36px; padding: 0 16px; box-sizing: border-box; }
.article h1, .article h2 { font-size: 30px; font-weight: 650; border-bottom: none; padding-bottom: 0; padding-top: 0.6em; }
.article h3 { font-size: 23px; font-weight: 600; }
.article blockquote { color: var(--ink-soft); border-left: 4px solid var(--accent); font-style: italic; }
.article hr { border-top: 2px solid var(--accent); }
.article pre, .article code, .article div.highlight { background-color: var(--paper); }
.article img { max-width: 100%; height: auto; background: var(--paper); }
.article table { background: var(--paper); border-collapse: collapse; font-family: var(--serif); font-size: 17px; font-variant-numeric: tabular-nums; }
.article th, .article td { padding: 4px 12px; border-bottom: 1px solid rgba(35, 34, 59, 0.2); text-align: left; }
.article th { border-bottom: 2px solid var(--ink); font-weight: 700; }
.markdown-body { font-family: var(--serif); color: var(--ink); }

/* Series box and previous/next */
.series {
  border: none; border-left: 6px solid var(--accent); border-radius: 0;
  background: var(--paper); padding: 10px 16px; font-size: 18px;
}
.series .series-label { font-style: italic; }
.series .series-current { font-weight: 700; }
.post-nav { border-top: 2px solid var(--accent); font-size: 18px; }
.post-nav a { font-family: var(--display); font-weight: 520; text-decoration: none; font-variation-settings: "SOFT" 100; }
.post-nav a:hover { text-decoration: underline; text-decoration-color: var(--accent); }
.post-nav-label {
  font-family: var(--serif); font-style: italic; text-transform: none;
  font-size: 15px; color: var(--ink-soft); letter-spacing: 0;
}
.post-nav-all a { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: 17px; text-decoration: underline; text-decoration-color: var(--accent); }

@media (max-width: 600px) {
  .wordmark { font-size: 28px; }
  .front-matter h1 { font-size: 34px; }
  .article { font-size: 18px; }
  #blog #intro { font-size: 19px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }