/* ──────────────────────────────────────────────────────────────────────────
   Quarterly — Longform Article — design tokens
   ────────────────────────────────────────────────────────────────────────── */

.longform-article {
  /* palette — warm paper with ink */
  --c-paper:        #fbf7f0;
  --c-paper-tint:   #f3ecdc;
  --c-ink:          #1d1815;
  --c-ink-soft:     #3a322c;
  --c-ink-mute:     #6f655d;
  --c-rule:         rgba(29, 24, 21, 0.16);
  --c-rule-soft:    rgba(29, 24, 21, 0.08);
  --c-accent:       #b35a1f;
  --c-accent-soft:  #c98a4a;
  --c-mark:         #f0c97a;
  --c-listing-bg:   #1d1815;
  --c-listing-fg:   #f3ecdc;

  /* type — serif for body, sans for chrome */
  --f-serif: "Iowan Old Style", "Charter", "Source Serif Pro", "Georgia", "Times New Roman", serif;
  --f-sans:  "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Arial", sans-serif;
  --f-mono:  "JetBrains Mono", ui-monospace, "SF Mono", "Menlo", "Consolas", monospace;

  /* type scale */
  --t-kicker:   0.78rem;
  --t-byline:   0.92rem;
  --t-meta:     0.86rem;
  --t-body:     1.18rem;
  --t-deck:     clamp(1.25rem, 1.05rem + 0.9vw, 1.65rem);
  --t-h3:       clamp(1.4rem, 1.15rem + 0.8vw, 1.7rem);
  --t-h2:       clamp(1.85rem, 1.4rem + 1.6vw, 2.6rem);
  --t-h1:       clamp(2.6rem, 1.6rem + 4.8vw, 5.4rem);
  --t-pull:     clamp(1.35rem, 1.05rem + 1.2vw, 1.85rem);

  /* layout */
  --measure:        70ch;
  --pad-x:          clamp(1.25rem, 1rem + 2vw, 2.5rem);
  --gap-y:          clamp(2.25rem, 1.6rem + 1.4vw, 3rem);

  --lh-body:        1.65;
  --lh-tight:       1.12;
}

/* ──────────────────────────────────────────────────────────────────────────
   reset
   ────────────────────────────────────────────────────────────────────────── */

.longform-article *, .longform-article *::before, .longform-article *::after { box-sizing: border-box; }

.longform-article, .longform-article {
  margin: 0;
  padding: 0;
  background: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--f-serif);
  font-size: var(--t-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.longform-article img, .longform-article picture, .longform-article video {
  display: block;
  max-width: 100%;
  height: auto;
}

.longform-article a {
  color: var(--c-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  text-decoration-color: rgba(179, 90, 31, 0.35);
  transition: color 200ms ease, text-decoration-color 200ms ease;
}
.longform-article a:hover {
  color: var(--c-ink);
  text-decoration-color: var(--c-ink);
}

.longform-article ::selection { background: var(--c-mark); color: var(--c-ink); }

.longform-article cite {
  font-style: italic;
  color: var(--c-ink-soft);
}

.longform-article abbr[title] {
  text-decoration-style: dotted;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
  cursor: help;
}

.longform-article code {
  font-family: var(--f-mono);
  font-size: 0.9em;
  background: var(--c-paper-tint);
  padding: 0.08em 0.3em;
  border-radius: 3px;
  color: var(--c-ink-soft);
}

.longform-article sup {
  font-size: 0.7em;
  line-height: 0;
  vertical-align: super;
}
.longform-article sup a {
  text-decoration: none;
  color: var(--c-accent);
  padding: 0 0.18em;
  border-radius: 2px;
}
.longform-article sup a:hover {
  background: var(--c-mark);
  color: var(--c-ink);
}

.longform-article em { font-style: italic; }
.longform-article strong { font-weight: 600; color: var(--c-ink); }

/* ──────────────────────────────────────────────────────────────────────────
   article skeleton
   ────────────────────────────────────────────────────────────────────────── */

.longform-article .article {
  display: block;
  padding: clamp(2.5rem, 1.5rem + 4vw, 5rem) var(--pad-x) clamp(3rem, 2rem + 4vw, 6rem);
  max-width: 100%;
}

.longform-article .article > * {
  margin-left: auto;
  margin-right: auto;
}

/* ──────────────────────────────────────────────────────────────────────────
   header — kicker, title, deck, byline, meta
   ────────────────────────────────────────────────────────────────────────── */

.longform-article .article__head {
  max-width: var(--measure);
  margin-bottom: clamp(2.5rem, 1.5rem + 3vw, 4rem);
  text-align: left;
}

.longform-article .kicker {
  font-family: var(--f-sans);
  font-size: var(--t-kicker);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--c-accent);
  margin: 0 0 1.6rem;
}

.longform-article .article__title {
  font-family: var(--f-serif);
  font-size: var(--t-h1);
  line-height: var(--lh-tight);
  letter-spacing: -0.012em;
  font-weight: 500;
  color: var(--c-ink);
  margin: 0 0 1.4rem;
}
.longform-article .article__title-line {
  display: block;
}
.longform-article .article__title em {
  font-style: italic;
  color: var(--c-accent);
  font-weight: 400;
}

.longform-article .article__deck {
  font-family: var(--f-serif);
  font-size: var(--t-deck);
  line-height: 1.4;
  color: var(--c-ink-soft);
  font-weight: 400;
  margin: 0 0 2.2rem;
  max-width: 56ch;
}
.longform-article .article__deck em { font-style: italic; }

.longform-article .article__byline {
  font-family: var(--f-sans);
  font-size: var(--t-byline);
  font-weight: 400;
  color: var(--c-ink-soft);
  margin: 0 0 0.4rem;
}
.longform-article .article__byline a {
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--c-rule);
}
.longform-article .article__byline a:hover {
  border-bottom-color: var(--c-ink);
  color: var(--c-ink);
}
.longform-article .article__byline-sep {
  display: inline-block;
  margin: 0 0.5em;
  color: var(--c-ink-mute);
}

.longform-article .article__meta {
  font-family: var(--f-sans);
  font-size: var(--t-meta);
  color: var(--c-ink-mute);
  letter-spacing: 0.02em;
  margin: 0;
}
.longform-article .article__meta time {
  font-variant-numeric: tabular-nums;
}
.longform-article .article__meta-sep {
  display: inline-block;
  margin: 0 0.5em;
}

/* ──────────────────────────────────────────────────────────────────────────
   hero figure — full-bleed image with caption
   ────────────────────────────────────────────────────────────────────────── */

.longform-article .article__hero {
  margin: 0 0 clamp(2.5rem, 1.6rem + 3vw, 4rem);
  max-width: 1200px;
}
.longform-article .article__hero-img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  background: var(--c-paper-tint);
}
.longform-article .article__hero-caption {
  font-family: var(--f-sans);
  font-size: 0.86rem;
  color: var(--c-ink-mute);
  margin: 0.9rem 0 0;
  line-height: 1.5;
  max-width: var(--measure);
}
.longform-article .article__hero-caption cite { color: var(--c-ink-soft); }
.longform-article .article__hero-caption span { color: var(--c-ink-soft); font-weight: 500; }

/* ──────────────────────────────────────────────────────────────────────────
   body — narrow measure, generous line height
   ────────────────────────────────────────────────────────────────────────── */

.longform-article .article__body {
  max-width: var(--measure);
  font-family: var(--f-serif);
  font-size: var(--t-body);
  line-height: var(--lh-body);
  color: var(--c-ink);
}

.longform-article .article__body p {
  margin: 0 0 1.4rem;
}

.longform-article .article__lede {
  font-size: 1.32rem;
  line-height: 1.55;
  color: var(--c-ink);
  font-weight: 400;
}
.longform-article .article__lede::first-letter {
  font-family: var(--f-serif);
  float: left;
  font-size: 4.6em;
  line-height: 0.86;
  font-weight: 500;
  padding: 0.06em 0.12em 0 0;
  color: var(--c-accent);
}

.longform-article .article__h2 {
  font-family: var(--f-serif);
  font-size: var(--t-h2);
  line-height: 1.18;
  letter-spacing: -0.005em;
  font-weight: 500;
  color: var(--c-ink);
  margin: 3rem 0 1.4rem;
}

.longform-article .article__h3 {
  font-family: var(--f-serif);
  font-size: var(--t-h3);
  line-height: 1.25;
  font-weight: 500;
  font-style: italic;
  color: var(--c-ink-soft);
  margin: 2.2rem 0 1rem;
}

/* ──────────────────────────────────────────────────────────────────────────
   pullquotes
   ────────────────────────────────────────────────────────────────────────── */

.longform-article .pullquote {
  margin: 2.4rem 0;
  padding: 1.4rem 0 1.4rem 1.4rem;
  border-left: 2px solid var(--c-accent);
}
.longform-article .pullquote blockquote {
  margin: 0;
}
.longform-article .pullquote p {
  font-family: var(--f-serif);
  font-size: var(--t-pull);
  font-style: italic;
  line-height: 1.35;
  color: var(--c-ink);
  margin: 0 0 0.6rem;
  letter-spacing: -0.005em;
}
.longform-article .pullquote cite {
  font-family: var(--f-sans);
  font-size: 0.84rem;
  font-style: normal;
  color: var(--c-ink-mute);
  letter-spacing: 0.04em;
}
.longform-article .pullquote--right {
  border-left: none;
  border-right: 2px solid var(--c-accent);
  padding: 1.4rem 1.4rem 1.4rem 0;
  text-align: right;
}

/* ──────────────────────────────────────────────────────────────────────────
   inline figure
   ────────────────────────────────────────────────────────────────────────── */

.longform-article .article__figure {
  margin: 2.4rem 0;
}
.longform-article .article__figure-img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  background: var(--c-paper-tint);
  border: 1px solid var(--c-rule-soft);
}
.longform-article .article__figure figcaption {
  font-family: var(--f-sans);
  font-size: 0.86rem;
  color: var(--c-ink-mute);
  margin: 0.7rem 0 0;
  line-height: 1.5;
}

/* ──────────────────────────────────────────────────────────────────────────
   code listing
   ────────────────────────────────────────────────────────────────────────── */

.longform-article .article__listing {
  margin: 2.4rem 0;
}
.longform-article .article__listing pre {
  margin: 0;
  background: var(--c-listing-bg);
  color: var(--c-listing-fg);
  padding: 1.4rem 1.5rem;
  border-radius: 6px;
  overflow-x: auto;
  font-family: var(--f-mono);
  font-size: 0.86rem;
  line-height: 1.55;
}
.longform-article .article__listing pre code {
  background: none;
  color: inherit;
  padding: 0;
  font-size: inherit;
  border-radius: 0;
}
.longform-article .article__listing figcaption {
  font-family: var(--f-sans);
  font-size: 0.84rem;
  color: var(--c-ink-mute);
  margin: 0.6rem 0 0;
  line-height: 1.5;
}

/* ──────────────────────────────────────────────────────────────────────────
   footnotes
   ────────────────────────────────────────────────────────────────────────── */

.longform-article .footnotes {
  max-width: var(--measure);
  margin: 3rem auto 2.4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--c-rule);
  font-family: var(--f-serif);
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--c-ink-soft);
}
.longform-article .footnotes__heading {
  font-family: var(--f-sans);
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--c-accent);
  margin: 0 0 1.2rem;
}
.longform-article .footnotes ol {
  margin: 0;
  padding-left: 1.4rem;
  counter-reset: fn;
}
.longform-article .footnotes li {
  margin-bottom: 0.7rem;
}
.longform-article .footnotes p { margin: 0; }
.longform-article .footnotes a {
  color: var(--c-accent);
  text-decoration: none;
}
.longform-article .footnotes a:hover { text-decoration: underline; }

/* ──────────────────────────────────────────────────────────────────────────
   article footer — author, related, back link
   ────────────────────────────────────────────────────────────────────────── */

.longform-article .article__foot {
  max-width: 1100px;
  margin-top: 3rem;
  padding-top: 2.4rem;
  border-top: 2px solid var(--c-ink);
}

.longform-article .author {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 1.4rem;
  align-items: start;
  margin-bottom: 3rem;
  max-width: var(--measure);
}
.longform-article .author__avatar {
  margin: 0;
}
.longform-article .author__avatar-img {
  width: 96px;
  height: 96px;
  border-radius: 999px;
  object-fit: cover;
  background: var(--c-paper-tint);
}
.longform-article .author__avatar figcaption {
  font-family: var(--f-sans);
  font-size: 0.74rem;
  color: var(--c-ink-mute);
  margin-top: 0.4rem;
  text-align: center;
  display: none;
}
.longform-article .author__name {
  font-family: var(--f-sans);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--c-ink);
  margin: 0 0 0.4rem;
}
.longform-article .author__text {
  font-family: var(--f-serif);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--c-ink-soft);
  margin: 0;
}

.longform-article .related {
  margin: 3rem 0;
}
.longform-article .related__heading {
  font-family: var(--f-sans);
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--c-accent);
  margin: 0 0 1.4rem;
}
.longform-article .related__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.6rem;
}
.longform-article .related__card {
  padding: 1.2rem 0 0;
  border-top: 1px solid var(--c-rule);
}
.longform-article .related__kicker {
  font-family: var(--f-sans);
  font-size: 0.74rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--c-ink-mute);
  margin: 0 0 0.5rem;
}
.longform-article .related__title {
  font-family: var(--f-serif);
  font-size: 1.18rem;
  line-height: 1.3;
  font-weight: 500;
  margin: 0 0 0.7rem;
}
.longform-article .related__title a {
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.longform-article .related__title a:hover {
  border-bottom-color: var(--c-ink);
}
.longform-article .related__byline {
  font-family: var(--f-sans);
  font-size: 0.82rem;
  color: var(--c-ink-mute);
  margin: 0;
}
.longform-article .related__byline a {
  color: var(--c-ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--c-rule);
}

.longform-article .article__back {
  font-family: var(--f-sans);
  font-size: 0.92rem;
  margin: 3rem 0 0;
  color: var(--c-ink-soft);
}
.longform-article .article__back a {
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--c-rule);
}
.longform-article .article__back em { font-style: italic; }

/* ──────────────────────────────────────────────────────────────────────────
   responsive
   ────────────────────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
  .longform-article .author {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .longform-article .pullquote--right {
    text-align: left;
    border-right: none;
    border-left: 2px solid var(--c-accent);
    padding: 1.4rem 0 1.4rem 1.4rem;
  }
}