/* Mosaic Lab — Writing
   Shares the main site's design system (see ../index.html :root).
   Long-form editorial treatment for essays. */

:root {
  --parchment: #f4efe6;
  --ink: #1a1815;
  --ochre: #c8913a;
  --terracotta: #b85a3c;
  --prussian: #2b4a6e;
  --sage: #5a7c52;
  --warm-gray: #6e6860;
  --light-gray: #e8e2d8;
  --cream: #ede7db;
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'Hanken Grotesk', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', monospace;
  --measure: 42rem;
  --gutter: clamp(1.25rem, 5vw, 2.5rem);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: clamp(16px, 1rem + 0.35vw, 18px); scroll-behavior: smooth; }
img, canvas { max-width: 100%; }

body {
  font-family: var(--sans); font-weight: 300;
  color: var(--ink); background: var(--parchment);
  line-height: 1.72; overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Paper grain — identical to the main site */
body::after {
  content: ''; position: fixed; inset: 0;
  pointer-events: none; z-index: 9999; opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat; background-size: 256px;
}

/* ── Header ── */
.site-header {
  padding: 1.4rem clamp(1.25rem, 5vw, 4rem);
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem 1.5rem; flex-wrap: wrap;
  border-bottom: 1px solid var(--light-gray);
}
.wordmark {
  display: flex; align-items: center; gap: 0.6rem;
  text-decoration: none; color: var(--ink);
}
.wordmark .site-logo { flex: none; display: block; }
.wordmark span {
  font-family: var(--sans); font-weight: 600;
  font-size: 0.85rem; letter-spacing: 0.18em; text-transform: uppercase;
}
.site-header nav { display: flex; gap: clamp(1rem, 3vw, 2rem); flex-wrap: wrap; }
.site-header nav a {
  font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.12em;
  color: var(--warm-gray); text-decoration: none; transition: color 0.3s;
}
.site-header nav a:hover,
.site-header nav a[aria-current="page"] { color: var(--ink); }

/* ── Writing index ── */
.index-head {
  max-width: var(--measure); margin: 5rem auto 3.5rem; padding: 0 var(--gutter);
}
.index-kicker {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--warm-gray); margin-bottom: 1.2rem;
}
.index-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(2.6rem, 6vw, 4rem); line-height: 1.05;
}
.index-title em { font-style: italic; color: var(--terracotta); }
.index-intro {
  margin-top: 1.4rem; color: var(--ink); opacity: 0.72;
  font-size: 1.05rem; max-width: 34ch;
}

.post-list {
  max-width: var(--measure); margin: 0 auto 6rem; padding: 0 var(--gutter);
  list-style: none;
}
.post-list li { border-top: 1px solid var(--light-gray); }
.post-link {
  display: block; padding: 2.2rem 0; text-decoration: none; color: var(--ink);
  transition: opacity 0.3s;
}
.post-link:hover { opacity: 0.65; }
.post-link .date {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.12em;
  color: var(--warm-gray); text-transform: uppercase;
}
.post-link h2 {
  font-family: var(--serif); font-weight: 400; font-size: 2rem;
  line-height: 1.12; margin: 0.5rem 0 0.6rem;
}
.post-link p { color: var(--warm-gray); font-size: 1rem; max-width: 52ch; }

/* ── Article ── */
.post {
  max-width: var(--measure); margin: 0 auto; padding: 0 var(--gutter);
}
.post-header { margin: 5rem 0 3rem; }
.post-kicker {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--terracotta); margin-bottom: 1.4rem;
}
.post-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(2.6rem, 6.5vw, 4.4rem); line-height: 1.02;
  letter-spacing: -0.01em;
}
.post-standfirst {
  margin-top: 1.6rem; font-family: var(--serif); font-style: italic;
  font-size: 1.45rem; line-height: 1.4; color: var(--prussian);
  max-width: 32ch;
}
.post-meta {
  margin-top: 1.8rem; padding-top: 1.2rem; border-top: 1px solid var(--light-gray);
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em;
  color: var(--warm-gray); text-transform: uppercase;
  display: flex; gap: 1.5rem; flex-wrap: wrap;
}

.post-body { font-size: 1.16rem; }
.post-body > p { margin-bottom: 1.5rem; }

/* Drop cap on the opening paragraph (sized down + more gap so a lone "I" reads cleanly) */
.post-body > p.lede::first-letter {
  font-family: var(--serif); font-size: 3.8rem; line-height: 0.82;
  float: left; padding: 0.05rem 1rem 0 0; color: var(--terracotta);
}

.post-body h2 {
  font-family: var(--serif); font-weight: 400; font-size: 2.1rem;
  line-height: 1.12; margin: 3.4rem 0 1.3rem; position: relative;
}
.post-body h2::before {
  content: ''; display: block; width: 2.2rem; height: 2px;
  background: var(--ochre); margin-bottom: 1rem;
}

.post-body em { font-style: italic; }
.post-body a {
  color: var(--terracotta); text-decoration: none;
  border-bottom: 1px solid rgba(184, 90, 60, 0.35); transition: border-color 0.3s;
}
.post-body a:hover { border-bottom-color: var(--terracotta); }

/* Highlight — inline, bold, terracotta. Sans face so the bold renders true. */
.hl { font-family: var(--sans); font-weight: 700; color: var(--terracotta); }

/* Pull-emphasis — a louder passage: larger, semibold, terracotta accent bar. */
.post-body .pull {
  margin: 2.6rem 0; padding-left: 1.3rem;
  border-left: 3px solid var(--terracotta);
  font-size: clamp(1.3rem, 4.5vw, 1.65rem); font-weight: 600;
  line-height: 1.4; color: var(--ink);
}

/* The continuum — oath / ring / pledge set side by side */
.triad {
  list-style: none; margin: 2.2rem 0; padding-left: 1.4rem;
  border-left: 2px solid var(--ochre);
}
.triad li { margin-bottom: 0.8rem; }
.triad li:last-child { margin-bottom: 0; }
.triad span {
  font-family: var(--serif); font-style: italic; color: var(--prussian);
}

/* The drumbeat lines — vows, the iron's meaning, the closing creed */
.post-body em.vow {
  font-family: var(--serif); font-style: italic; color: var(--terracotta);
  font-size: 1.08em;
}

/* ── Figures (images arrive later) ── */
.fig { margin: 2.8rem 0; }
.fig img {
  display: block; width: 100%; height: auto;
  border: 1px solid var(--light-gray);
}
/* Portrait shots shouldn't dominate — centre at a calmer width */
.fig.fig-portrait img { max-width: 22rem; margin: 0 auto; }
/* Low-res archival photo — keep it small so it stays crisp */
.fig.fig-archive img { max-width: 20rem; margin: 0 auto; }
.fig.fig-archive figcaption { text-align: center; }
.fig.fig-archive figcaption span { opacity: 0.7; }
.fig.is-empty img { display: none; }
.fig.is-empty::before {
  content: attr(data-note);
  display: flex; align-items: center; justify-content: center;
  min-height: 18rem; padding: 2rem; text-align: center;
  background: var(--cream);
  border: 1px dashed var(--warm-gray);
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--warm-gray);
}
.fig figcaption {
  margin-top: 0.7rem; font-family: var(--mono); font-size: 0.68rem;
  line-height: 1.6; color: var(--warm-gray); letter-spacing: 0.02em;
}
.fig.is-empty figcaption { font-style: italic; }

/* ── Footer ── */
.post-footer {
  max-width: var(--measure); margin: 5rem auto 0; padding: 2.5rem var(--gutter) 4rem;
  border-top: 1px solid var(--light-gray);
}
.post-footer a {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em;
  color: var(--terracotta); text-decoration: none;
}
.post-footer a:hover { color: var(--ink); }
.site-footer {
  padding: 2.5rem clamp(1.25rem, 5vw, 4rem); display: flex;
  gap: 0.8rem 1.5rem; align-items: center; flex-wrap: wrap;
  border-top: 1px solid var(--light-gray);
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.12em;
  color: var(--warm-gray); text-transform: uppercase;
}
.site-footer .site-logo { flex: none; display: block; }

/* ── Responsive ── phone / tablet / web ── */

/* Tablet and below */
@media (max-width: 820px) {
  .index-head { margin-top: 3.5rem; }
  .post-header { margin: 3.5rem 0 2.5rem; }
  .post-body h2 { margin-top: 2.8rem; }
}

/* Phone */
@media (max-width: 560px) {
  .site-header {
    justify-content: flex-start; gap: 0.6rem 1.2rem;
  }
  .post-body { font-size: 1.08rem; }
  .post-body > p.lede::first-letter { font-size: 3.2rem; padding-right: 0.8rem; }
  .index-head { margin-top: 2.5rem; margin-bottom: 2.5rem; }
  .post-list { margin-bottom: 3.5rem; }
  .post-link { padding: 1.8rem 0; }
  .fig { margin: 2rem 0; }
  .fig.fig-portrait img { max-width: 100%; }
}