/* Shared styles for blog.martinocando.com — matches the look of martinocando.com */
:root {
  --bg: #ffffff;
  --heading: #222222;
  --text: #454545;
  --nav: #363636;
  --muted: #8a8a8a;
  --rule: #e8e8e8;
  --soft: #f6f6f4;
  --accent: #298e1e;
  --accent-soft: #eef6ec;
  --font: Verdana, Geneva, "DejaVu Sans", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); color-scheme: light; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/26px var(--font); }
a { color: var(--accent); font-weight: 700; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Layout: left sidebar + content ---------- */
.layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 800px);
  justify-content: center;
  column-gap: 80px;
  padding: 0 40px;
  min-height: 100vh;
}
.sidebar {
  position: sticky; top: 0; align-self: start;
  max-height: 100vh; overflow-y: auto;
  width: 240px;
  padding: 60px 0 40px;
}
.logo { display: inline-block; }
.logo img { width: 200px; height: auto; display: block; }
.menu-toggle { display: none; }
.site-nav { margin-top: 56px; font-size: 14px; }
.site-nav .group { margin-bottom: 26px; }
.site-nav .group-title {
  display: block; color: var(--heading); font-weight: 700; text-transform: uppercase;
  font-size: 14px; margin-bottom: 10px; letter-spacing: .02em;
}
.site-nav .group a:not(.group-title) { display: block; color: var(--nav); font-weight: 400; line-height: 23px; }
.site-nav a.current, .site-nav a.current-group { color: var(--accent) !important; font-weight: 700 !important; }

.content { padding: 30px 0 80px; min-width: 0; }

/* ---------- Blog index (table of contents) ---------- */
h1 { color: var(--heading); font-size: 30px; line-height: 36px; font-weight: 700; margin: 30px 0 14px; }
.lead { margin: 0 0 32px; }
.cards { list-style: none; margin: 0; padding: 0; }
.card {
  display: grid; grid-template-columns: 240px 1fr; gap: 24px;
  padding: 24px 0; border-top: 1px solid var(--rule);
}
.card:last-child { border-bottom: 1px solid var(--rule); }
.card-img img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; background: var(--soft); }
.card h2 { font-size: 20px; line-height: 26px; margin: 0 0 6px; }
.card h2 a { color: var(--heading); }
.card-series { margin: 0 0 4px; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--accent); font-weight: 700; }
.card-date, .post-date { margin: 0 0 8px; font-size: 13px; color: var(--muted); }
.card-excerpt { margin: 0 0 10px; font-size: 15px; line-height: 24px; }
.read { font-size: 14px; }

/* ---------- Post ---------- */
.back { display: inline-block; margin-top: 30px; font-size: 14px; font-weight: 400; color: var(--nav); }
.post-header h1 { margin-top: 14px; }
.dek { font-size: 18px; line-height: 28px; color: var(--heading); margin: 0 0 10px; }
.series {
  display: inline-block; margin: 8px 0 0; padding: 6px 12px; font-size: 13px;
  background: var(--accent-soft); border-radius: 4px;
}
.series strong { color: var(--heading); }

.in-post {
  margin: 28px 0 8px; padding: 16px 20px; background: var(--soft); border-left: 3px solid var(--accent);
  font-size: 14px; line-height: 22px;
}
.in-post span { display: block; font-weight: 700; color: var(--heading); text-transform: uppercase; font-size: 12px; letter-spacing: .04em; margin-bottom: 6px; }
.in-post ol { margin: 0; padding-left: 20px; columns: 2; column-gap: 32px; }
.in-post li { break-inside: avoid; }
.in-post a { font-weight: 400; }

.post-body { margin-top: 24px; }
.post-body p { margin: 0 0 18px; }
.post-body h2 { color: var(--heading); font-size: 22px; line-height: 28px; margin: 44px 0 14px; scroll-margin-top: 20px; }
.post-body h3 { color: var(--heading); font-size: 18px; line-height: 24px; margin: 32px 0 12px; scroll-margin-top: 20px; }
.post-body ul, .post-body ol { margin: 0 0 20px; padding-left: 24px; }
.post-body li { margin: 0 0 8px; padding-left: 4px; }
.post-body li::marker { color: var(--heading); }

figure { margin: 28px 0; }
figure img { display: block; max-width: 100%; height: auto; margin: 0 auto; background: var(--soft); }
figure.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; align-items: center; }
figure.grid figcaption { grid-column: 1 / -1; }
figcaption { margin-top: 10px; font-size: 14px; line-height: 20px; color: var(--muted); text-align: center; font-style: italic; }

.tip {
  margin: 28px 0; padding: 18px 22px; background: var(--accent-soft);
  border-left: 4px solid var(--accent); border-radius: 0 4px 4px 0;
}
.tip-label {
  display: block; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  color: var(--accent); margin-bottom: 6px;
}
.tip p { margin: 0; color: var(--heading); }
.update { margin: 20px 0; padding: 14px 18px; border: 1px dashed var(--accent); border-radius: 4px; }
.update p { margin: 0; }

.top { display: inline-block; margin-top: 30px; font-size: 14px; }
.prev-next {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--rule);
}
.prev-next a { display: block; font-size: 15px; line-height: 22px; }
.prev-next span { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 400; }
.prev-next .newer { text-align: right; }

footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--rule); font-size: 13px; color: var(--muted); }
footer a { font-weight: 400; }

/* ---------- Tablet / phone ---------- */
@media (max-width: 900px) {
  .layout { display: block; padding: 0; }
  .sidebar {
    position: static; max-height: none; overflow: visible; width: auto;
    padding: 24px 16px 0; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  }
  .logo img { width: 120px; }
  .menu-toggle {
    display: block; font: 700 13px var(--font); text-transform: uppercase; color: var(--heading);
    background: none; border: 1px solid var(--rule); border-radius: 4px; padding: 8px 12px; cursor: pointer;
  }
  .site-nav { display: none; width: 100%; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--rule); }
  .site-nav.open { display: block; }
  .content { padding: 0 16px 64px; }
  h1 { font-size: 26px; line-height: 32px; margin-top: 24px; }
  .card { grid-template-columns: 1fr; gap: 14px; }
  .in-post ol { columns: 1; }
  .prev-next { grid-template-columns: 1fr; }
  .prev-next .newer { text-align: left; }
}