/* ============================================================
   Article page styles
   Shared by every self-hosted article under /writing/.
   Mirrors the design system used in /index.html so articles
   feel like they live in the same site.
   ============================================================ */

:root {
  --ink: #001C2F;
  --ink-2: #2B3A47;
  --ink-3: #5C6B77;
  --muted: #687B88;
  --red: #D1293D;
  --red-deep: #A92626;
  --paper: #FAF8F5;
  --paper-2: #F2EEE8;
  --rule: rgba(0, 28, 47, 0.08);
  --rule-strong: rgba(0, 28, 47, 0.16);
  --sans: 'Archivo', system-ui, sans-serif;
  --serif: 'Source Serif 4', Georgia, serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul { margin: 0; padding: 0; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; }

/* ===== Layout ===== */
.wrap { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 56px; }
@media (max-width: 720px) { .wrap { padding: 0 24px; } }

/* ===== Brand bar (matches home page) ===== */
.brandbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 28px 0;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--sans); font-weight: 600; font-size: 15px; letter-spacing: -0.01em;
}
.logo-mark {
  width: 28px; height: 28px; border-radius: 0; background: transparent;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.logo-mark img { width: 100%; height: 100%; object-fit: contain; }
.brandbar-meta {
  font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.08em;
}
.brandbar nav ul { display: flex; gap: 32px; font-size: 14px; color: var(--ink-3); list-style: none; }
.brandbar nav a:hover { color: var(--ink); }
@media (max-width: 860px) { .brandbar nav { display: none; } }

/* ===== Article ===== */
.article { padding: 24px 0 96px; }

/* Hero image: spans the full inner wrap width (1168px max),
   sits above the centered text column. Optional — omit the
   <figure class="article-hero"> block if an article has none. */
.article-hero {
  margin: 0 0 64px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--paper-2);
  aspect-ratio: 16 / 9;
}
.article-hero img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 720px) {
  .article-hero { margin-bottom: 48px; border-radius: 6px; }
}

/* Text column — same width as the About section on the home page. */
.article-column { max-width: 760px; margin: 0 auto; }

.article-kicker {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3);
  display: inline-flex; align-items: center; gap: 8px;
  margin-bottom: 24px;
}
.article-kicker::before {
  content: ''; width: 18px; height: 1px; background: currentColor; opacity: 0.6;
}

.article-title {
  font-family: var(--serif); font-weight: 400; font-style: normal;
  font-size: clamp(40px, 5.5vw, 64px);
  line-height: 1.05; letter-spacing: -0.025em; color: var(--ink);
  margin: 0 0 28px;
}
.article-title em { font-style: italic; }
.article-title .dot { color: var(--red); font-style: normal; }

.article-meta {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap;
  padding: 18px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-bottom: 48px;
}
.article-date {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  color: var(--ink-3); text-transform: uppercase;
}

.share-btn {
  appearance: none; background: transparent;
  border: 1px solid var(--rule-strong); border-radius: 999px;
  padding: 8px 16px;
  font-family: var(--sans); font-size: 13px; font-weight: 500;
  color: var(--ink); display: inline-flex; align-items: center; gap: 8px;
  transition: all 180ms;
}
.share-btn:hover { border-color: var(--ink); }
.share-btn.is-copied {
  border-color: var(--ink); background: var(--ink); color: var(--paper);
}
.share-btn .share-icon { display: inline-block; transform: translateY(-1px); }

/* ===== Article body typography ===== */
.article-body { font-family: var(--serif); }
.article-body p {
  font-size: 19px; line-height: 1.7; color: var(--ink-2);
  margin-bottom: 24px;
}
.article-body p strong { color: var(--ink); font-weight: 600; }
.article-body a { color: var(--red); border-bottom: 1px solid currentColor; }
.article-body a:hover { color: var(--red-deep); }
.article-body em { font-style: italic; }
.article-body h2 {
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: clamp(28px, 3.4vw, 36px);
  line-height: 1.15; letter-spacing: -0.02em; color: var(--ink);
  margin: 56px 0 20px;
}
.article-body h3 {
  font-family: var(--sans); font-weight: 600;
  font-size: 20px; letter-spacing: -0.01em; color: var(--ink);
  margin: 40px 0 14px;
}
.article-body ul, .article-body ol {
  font-size: 19px; line-height: 1.7; color: var(--ink-2);
  margin: 0 0 24px; padding-left: 24px;
}
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 8px; }
.article-body blockquote {
  margin: 36px 0;
  padding: 4px 0 4px 24px;
  border-left: 3px solid var(--red);
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: 22px; line-height: 1.45; color: var(--ink);
}
.article-body blockquote p { font-size: inherit; color: inherit; margin: 0 0 12px; }
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body hr {
  border: 0; height: 1px; background: var(--rule);
  margin: 56px auto; width: 80px;
}

/* Inline image. Wrap any inline image in <figure class="article-figure">. */
.article-figure { margin: 40px 0; }
.article-figure img {
  width: 100%; border-radius: 6px; background: var(--paper-2);
}
.article-figure figcaption {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em;
  color: var(--ink-3); margin-top: 12px; text-align: center;
}
/* Slightly wider inline image — breaks out of the text column a bit. */
.article-figure--wide {
  margin-left: -40px; margin-right: -40px;
}
@media (max-width: 860px) {
  .article-figure--wide { margin-left: 0; margin-right: 0; }
}

/* ===== Back-home button (sits between the article body and the next-article block) ===== */
.article-back {
  max-width: 760px; margin: 64px auto 0;
}
.back-home {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--sans); font-size: 13px; font-weight: 500;
  color: var(--ink-2);
  padding: 8px 16px 8px 14px;
  border: 1px solid var(--rule-strong); border-radius: 999px;
  background: transparent;
  white-space: nowrap;
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}
.back-home:hover { border-color: var(--ink); color: var(--ink); }
.back-home .back-arrow { display: inline-block; transition: transform 180ms ease; }
.back-home:hover .back-arrow { transform: translateX(-3px); }

/* ===== Next article (uses the home page article-card styling) ===== */
.article-next {
  margin-top: 96px;
  padding-top: 24px;
  border-top: 1px solid var(--ink);
}
.article-next-label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  color: var(--ink-3); text-transform: uppercase;
  margin-bottom: 20px; display: block;
}
.article-next-card {
  display: block;
  background: #FFFFFF; border: 1px solid var(--rule); border-radius: 8px;
  overflow: hidden;
  transition: border-color 200ms, transform 200ms;
}
.article-next-card:hover { border-color: var(--rule-strong); transform: translateY(-2px); }
.article-next-card-image { aspect-ratio: 16 / 9; background: var(--paper-2); overflow: hidden; }
.article-next-card-image img { width: 100%; height: 100%; object-fit: cover; }
.article-next-card-body { padding: 22px 24px 26px; }
.article-next-card .kicker-row {
  display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px;
}
.article-next-card .kicker {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--ink-3);
}
.article-next-card .year {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; color: var(--ink-3);
}
.article-next-card h3 {
  font-family: var(--serif); font-weight: 400; font-size: 22px;
  line-height: 1.2; letter-spacing: -0.015em; color: var(--ink); margin: 0 0 10px;
}
.article-next-card .excerpt {
  font-family: var(--sans);
  font-size: 14px; color: var(--ink-3); line-height: 1.55; margin: 0 0 16px;
}
/* Article-card CTA. Design system rule: mono CTA labels on article cards
   are ALL CAPS. Mirrored in index.html (.writing-card-link). */
.article-next-card .link {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--ink-3);
  display: inline-flex; align-items: center; gap: 8px;
}
/* Arrow behavior: local articles slide right, external articles wiggle.
   Mirrored in index.html (.writing-card .arrow). */
.article-next-card .link .arrow {
  display: inline-block;
  transition: transform 220ms cubic-bezier(0.2,0.7,0.3,1);
  transform-origin: 50% 60%;
}
.article-next-card.is-local:hover .link .arrow { transform: translateX(4px); }
.article-next-card.is-external:hover .link .arrow {
  animation: writing-arrow-wiggle 520ms ease-in-out;
}
@keyframes writing-arrow-wiggle {
  0%   { transform: rotate(0deg) translate(0,0); }
  25%  { transform: rotate(-14deg) translate(-1px, 1px); }
  55%  { transform: rotate(12deg) translate(1px, -1px); }
  80%  { transform: rotate(-6deg) translate(0,0); }
  100% { transform: rotate(0deg) translate(0,0); }
}

/* ===== Footer (matches home page) ===== */
.footer {
  border-top: 1px solid var(--rule); padding: 40px 0;
  font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.06em;
}
.footer .wrap {
  display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap;
}
@media (max-width: 720px) {
  .footer .wrap { flex-direction: column; gap: 16px; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}