/* ── The blog ─────────────────────────────────────────────
   Server-rendered pages. Index reads like a news front page — one hero and
   two supporting features, then a card grid. Articles read like Substack —
   one centred measure, generous type. Uses tokens.css for theme. */

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── Chrome ─────────────────────────────────────────────── */

.blog-top {
  max-width: 1140px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.blog-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 650;
  letter-spacing: -0.02em;
  font-size: 16px;
}

.blog-brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: var(--on-accent);
  flex: none;
}

.blog-brand-mark svg { width: 16px; height: 16px; display: block; }
.blog-nav { display: flex; gap: 20px; font-size: 14px; color: var(--muted); }
.blog-nav a:hover { color: var(--text); }

.blog-foot {
  max-width: 1140px;
  margin: 60px auto 0;
  padding: 24px 24px calc(44px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--subtle);
}

.blog-foot nav { display: flex; gap: 16px; }
.blog-foot a:hover { color: var(--text); }

/* ── Index ──────────────────────────────────────────────── */

.blog-shell {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 12px 24px 0;
  box-sizing: border-box;
  flex: 1 0 auto;
}

.blog-masthead {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(34px, 5vw, 54px);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 26px 0 34px;
}

.blog-featured {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 28px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}

.blog-featured-side { display: flex; flex-direction: column; gap: 26px; }

.blog-card { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.blog-card:hover .blog-card-title { text-decoration: underline; text-underline-offset: 3px; }

.blog-card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.blog-card-img--empty {
  background:
    radial-gradient(circle at 30% 30%, var(--accent-soft), transparent 70%),
    var(--surface);
}

.blog-card-title { font-size: 19px; font-weight: 650; letter-spacing: -0.02em; line-height: 1.25; margin: 0; }
.blog-card--hero .blog-card-title { font-size: clamp(24px, 3vw, 32px); }
.blog-card-excerpt { color: var(--muted); font-size: 14.5px; line-height: 1.55; margin: 0; }
.blog-card--hero .blog-card-excerpt { font-size: 16px; }
.blog-card-byline { color: var(--subtle); font-size: 13px; margin: 0; }

.blog-featured-side .blog-card { flex-direction: row; gap: 14px; }
.blog-featured-side .blog-card-img { width: 128px; aspect-ratio: 1; border-radius: 12px; flex: none; }
.blog-featured-side .blog-card-title { font-size: 16px; }
.blog-featured-side .blog-card-excerpt { display: none; }

.blog-section-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--subtle);
  font-weight: 600;
  margin: 36px 0 22px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px 28px;
  padding-bottom: 20px;
}

.blog-empty { color: var(--muted); padding: 40px 0 80px; }

/* ── Article ────────────────────────────────────────────── */

.blog-article { max-width: 720px; }

.blog-article-head h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(32px, 4.6vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 30px 0 14px;
}

.blog-article-head .blog-card-byline { font-size: 14px; margin-bottom: 26px; }

.blog-article-hero {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
  margin-bottom: 34px;
}

.blog-body { font-size: 17.5px; line-height: 1.75; color: var(--text); }
.blog-body p { margin: 0 0 1.25em; }
.blog-body h2, .blog-body h3, .blog-body h4 {
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 1.8em 0 0.6em;
}
.blog-body h2 { font-size: 26px; }
.blog-body h3 { font-size: 21px; }
.blog-body h4 { font-size: 17px; }
.blog-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.blog-body img { border-radius: 12px; border: 1px solid var(--line); margin: 1.4em 0; }
.blog-body ul, .blog-body ol { margin: 0 0 1.25em; padding-left: 1.4em; }
.blog-body li { margin-bottom: 0.4em; }
.blog-body blockquote {
  margin: 1.5em 0;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--accent);
  color: var(--muted);
  font-style: italic;
}
.blog-body hr { border: none; border-top: 1px solid var(--line); margin: 2.2em 0; }
.blog-body code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--surface-hi);
  border-radius: 6px;
  padding: 2px 6px;
}
.blog-body pre {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
  overflow-x: auto;
  margin: 0 0 1.4em;
}
.blog-body pre code { background: none; padding: 0; font-size: 13px; line-height: 1.65; }

/* ── Share row ──────────────────────────────────────────── */

.blog-share { display: flex; align-items: center; gap: 8px; margin: 4px 0 6px; }
.blog-share-label { font-size: 12.5px; color: var(--subtle); margin-right: 4px; }

.blog-share-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: color 0.16s ease, border-color 0.16s ease, background 0.16s ease, transform 0.16s ease;
}

.blog-share-btn svg { width: 15px; height: 15px; }
.blog-share-btn:hover { color: var(--text); border-color: var(--line-hi); background: var(--surface-hi); transform: translateY(-1px); }
.blog-share-btn.is-copied { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }

.blog-article-share-end {
  margin-top: 40px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}
.blog-article-share-end p { margin: 0 0 10px; font-size: 14px; color: var(--muted); }
.blog-article-share-end .blog-share { margin: 0; }

.blog-article-cta {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted);
}
.blog-article-cta a:hover { color: var(--text); }

/* ── Mobile ─────────────────────────────────────────────── */

@media (max-width: 900px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-featured { grid-template-columns: 1fr; gap: 24px; }
  .blog-featured-side { gap: 20px; }
}

@media (max-width: 640px) {
  .blog-top, .blog-shell, .blog-foot { padding-left: 18px; padding-right: 18px; }
  .blog-masthead { margin: 16px 0 24px; }
  .blog-grid { grid-template-columns: 1fr; gap: 26px; }
  .blog-featured-side .blog-card-img { width: 96px; }
  .blog-body { font-size: 16.5px; }
  .blog-foot { flex-direction: column; gap: 12px; }
}