/* Munity Field Notes — blog stylesheet
 * Standalone, lightweight. Intentionally separate from the lander CSS so blog
 * pages have no dependency on the Three.js experience.
 */

:root {
  --bg: #000;
  --fg: #fff;
  --muted: #9a9a9a;
  --accent: #fff;
  --rule: #222;
  --max: 740px;
  --max-wide: 1080px;
  --radius: 6px;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  --font-display: var(--font-body);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--fg);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
a:hover { text-decoration-thickness: 2px; }

/* ── Header ───────────────────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--rule);
  padding: 1rem 1.25rem;
}
.site-header__inner {
  max-width: var(--max-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.site-header__brand {
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
}
.site-header__nav a {
  text-decoration: none;
  margin-left: 1.25rem;
  color: var(--muted);
}
.site-header__nav a:hover { color: var(--fg); }

/* ── Layout ───────────────────────────────────────── */
.page {
  flex: 1;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}
.page--wide { max-width: var(--max-wide); }

.page-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.15;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}
.page-lede {
  color: var(--muted);
  margin: 0 0 2.5rem;
  font-size: 1.05rem;
}

/* ── Article index cards ─────────────────────────── */
.article-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.article-card {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.15s ease;
}
.article-card:hover { border-color: var(--fg); }
.article-card__title {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
  line-height: 1.25;
}
.article-card__title a { text-decoration: none; }
.article-card__title a:hover { text-decoration: underline; }
.article-card__meta {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.article-card__excerpt {
  margin: 0;
  color: var(--muted);
}
.article-card__tags {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.article-card__tag {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  margin-right: 0.35rem;
  margin-top: 0.25rem;
}

/* ── Article page ────────────────────────────────── */
.article {
  max-width: var(--max);
  margin: 0 auto;
}
.article__header { margin-bottom: 2rem; }
.article__breadcrumbs {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 1rem;
}
.article__breadcrumbs a { color: var(--muted); }
.article__title {
  font-size: clamp(1.85rem, 5vw, 2.75rem);
  line-height: 1.15;
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}
.article__meta {
  font-size: 0.9rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}
.article__body {
  font-size: 1.05rem;
}
.article__body h2 {
  font-size: 1.5rem;
  margin: 2.5rem 0 0.75rem;
  letter-spacing: -0.005em;
}
.article__body h3 {
  font-size: 1.2rem;
  margin: 2rem 0 0.5rem;
}
.article__body p { margin: 0 0 1.15rem; }
.article__body ul,
.article__body ol { margin: 0 0 1.15rem 1.25rem; padding: 0; }
.article__body li { margin: 0.25rem 0; }
.article__body blockquote {
  margin: 1.5rem 0;
  padding: 0.5rem 1.25rem;
  border-left: 3px solid var(--fg);
  color: var(--muted);
}
.article__body code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92em;
  background: #111;
  padding: 0.1em 0.35em;
  border-radius: 3px;
}
.article__body pre {
  background: #111;
  padding: 1rem 1.15rem;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 0.9rem;
}
.article__body pre code { background: none; padding: 0; }
.article__body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin: 1.5rem 0;
}
.article__body hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 2.5rem 0;
}

.article__footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
}
.article__related h2 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 1rem;
}
.article__pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  font-size: 0.95rem;
}
.article__pager a {
  text-decoration: none;
  color: var(--muted);
  max-width: 48%;
}
.article__pager a:hover { color: var(--fg); }
.article__pager strong {
  display: block;
  color: var(--fg);
  margin-top: 0.15rem;
}

/* ── Footer ──────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 2rem 1.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.site-footer__inner {
  max-width: var(--max-wide);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
}
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--fg); }

/* ── Tag badge ───────────────────────────────────── */
.badge {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
}

/* ── Empty state ─────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--muted);
  border: 1px dashed var(--rule);
  border-radius: var(--radius);
}

@media (max-width: 600px) {
  .site-header__nav a { margin-left: 0.85rem; }
  .page { padding: 1.5rem 1rem 3rem; }
}