/* Blog — long-form layout that sits on top of the existing tokens + base.
   The main site is a single dense page; the blog is a quieter reading
   surface. Same palette, more breathing room, more typography. */

/* Reserve space for the fixed nav at the top — site-wide, the nav is
   ~64px tall + a little overlap; 5rem is comfortable. */
main { padding-top: 5rem; }

/* ── Alpha disclaimer banner ──────────────────────────────────────── */
.alpha-banner {
  background: linear-gradient(
    90deg,
    rgba(232, 165, 92, 0.12),
    rgba(232, 165, 92, 0.06) 60%,
    transparent
  );
  border: 1px solid rgba(232, 165, 92, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-5);
  margin: var(--space-4) auto var(--space-8);
  max-width: var(--content-max);
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--ink-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.alpha-banner__pip {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--accent-warm);
  box-shadow: 0 0 8px rgba(232, 165, 92, 0.6);
  flex-shrink: 0;
}
.alpha-banner strong {
  color: var(--accent-warm);
  font-weight: 600;
}

/* ── Blog index ──────────────────────────────────────────────────── */
.blog-index {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-12) var(--space-6) var(--space-24);
}
.blog-index__header {
  margin-bottom: var(--space-12);
}
.blog-index__header h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin: 0 0 var(--space-4);
}
.blog-index__header p {
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--ink-secondary);
  max-width: var(--reading-max);
}

.post-list { display: flex; flex-direction: column; gap: var(--space-2); }

.post-card {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: var(--space-6) var(--space-6);
  border: 1px solid var(--edge-faint);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  transition: border-color var(--t-fast), background var(--t-fast), transform var(--t-fast);
}
.post-card:hover {
  border-color: var(--edge-soft);
  background: var(--bg-elev);
  transform: translateY(-1px);
}
.post-card__meta {
  display: flex;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-quiet);
  margin-bottom: var(--space-2);
}
.post-card__meta .num { color: var(--accent-glow); }
.post-card h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1.2;
  margin: 0 0 var(--space-3);
  color: var(--ink-primary);
}
.post-card p {
  margin: 0;
  color: var(--ink-secondary);
  font-size: 0.95rem;
}

/* ── Single post ─────────────────────────────────────────────────── */
.post {
  max-width: var(--reading-max);
  margin: 0 auto;
  padding: var(--space-12) var(--space-6) var(--space-24);
}

.post__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-quiet);
  text-decoration: none;
  margin-bottom: var(--space-8);
  letter-spacing: 0.02em;
}
.post__back:hover { color: var(--accent-glow); }

.post__header { margin-bottom: var(--space-8); }
.post__meta {
  display: flex;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-quiet);
  margin-bottom: var(--space-3);
  letter-spacing: 0.02em;
}
.post__meta .num { color: var(--accent-glow); }
.post__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  line-height: 1.1;
  margin: 0 0 var(--space-4);
  letter-spacing: -0.015em;
}
.post__byline {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink-secondary);
  font-style: italic;
}
.post__byline strong {
  color: var(--ink-primary);
  font-style: normal;
}

/* Long-form prose. Reading width capped at --reading-max. */
.post__body {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ink-primary);
}
.post__body p {
  margin: 0 0 var(--space-5);
}
.post__body h2 {
  font-family: var(--font-display);
  font-size: 1.85rem;
  line-height: 1.2;
  margin: var(--space-12) 0 var(--space-4);
  color: var(--ink-primary);
  letter-spacing: -0.01em;
}
.post__body h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.25;
  margin: var(--space-8) 0 var(--space-3);
  color: var(--ink-primary);
}
.post__body strong { color: var(--ink-primary); font-weight: 600; }
.post__body em { color: var(--accent-warm); font-style: italic; }
.post__body a {
  color: var(--accent-glow);
  text-decoration-color: var(--edge-soft);
  text-underline-offset: 0.2em;
}
.post__body a:hover { text-decoration-color: var(--accent-glow); }
.post__body code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  padding: 0.1em 0.35em;
  background: rgba(107, 191, 255, 0.08);
  border: 1px solid var(--edge-faint);
  border-radius: 4px;
  color: var(--ink-primary);
}
.post__body pre {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.55;
  background: var(--bg-soft);
  border: 1px solid var(--edge-faint);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  margin: var(--space-6) 0;
  overflow-x: auto;
  color: var(--ink-secondary);
}
.post__body pre code {
  padding: 0; background: none; border: 0; font-size: inherit;
}
.post__body blockquote {
  border-left: 3px solid var(--accent-warm);
  margin: var(--space-6) 0;
  padding: var(--space-2) 0 var(--space-2) var(--space-5);
  color: var(--ink-secondary);
  font-style: italic;
  background: linear-gradient(90deg, rgba(232, 165, 92, 0.04), transparent);
}
.post__body blockquote p:last-child { margin-bottom: 0; }
.post__body ul, .post__body ol {
  margin: 0 0 var(--space-5);
  padding-left: var(--space-6);
}
.post__body li { margin-bottom: var(--space-2); }
.post__body hr {
  border: 0;
  border-top: 1px solid var(--edge-faint);
  margin: var(--space-12) 0;
}

/* Pull-quote — for a key line that should stop the eye. */
.post__pullquote {
  font-family: var(--font-display);
  font-size: 1.45rem;
  line-height: 1.35;
  font-style: italic;
  color: var(--ink-primary);
  margin: var(--space-12) 0;
  padding: 0;
  border: 0;
  text-align: left;
}
.post__pullquote::before { content: '“'; color: var(--accent-warm); font-size: 1.6em; line-height: 0; vertical-align: -0.35em; margin-right: 0.05em; }
.post__pullquote::after  { content: '”'; color: var(--accent-warm); font-size: 1.6em; line-height: 0; vertical-align: -0.35em; margin-left: 0.05em; }

/* Inline diagram — inline SVG container with caption. */
.post__diagram {
  margin: var(--space-8) 0;
  padding: var(--space-6);
  background: var(--bg-soft);
  border: 1px solid var(--edge-faint);
  border-radius: var(--radius-md);
}
.post__diagram svg { width: 100%; height: auto; display: block; }
.post__diagram figcaption {
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-quiet);
  text-align: center;
  letter-spacing: 0.02em;
}

.post__diagram--wide,
.post__table-wrap--wide {
  width: min(1120px, calc(100vw - 3rem));
  max-width: none;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}

.compare-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

.compare-card {
  min-height: 21rem;
  padding: var(--space-6);
  border-radius: 1rem;
  border: 1px solid var(--edge-faint);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0)),
    var(--bg-card);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.02);
}

.compare-card--featured {
  min-height: 24rem;
}

.compare-card--violet {
  border-color: rgba(157, 127, 232, 0.55);
  background:
    linear-gradient(180deg, rgba(157, 127, 232, 0.12), rgba(157, 127, 232, 0.02)),
    var(--bg-card);
}

.compare-card--amber {
  border-color: rgba(232, 165, 92, 0.55);
  background:
    linear-gradient(180deg, rgba(232, 165, 92, 0.12), rgba(232, 165, 92, 0.02)),
    var(--bg-card);
}

.compare-card--blue {
  border-width: 1.5px;
  border-color: rgba(107, 191, 255, 0.72);
  background:
    linear-gradient(180deg, rgba(107, 191, 255, 0.14), rgba(107, 191, 255, 0.03)),
    var(--bg-card);
}

.compare-card__eyebrow {
  margin-bottom: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.compare-card--violet .compare-card__eyebrow { color: #ae93f4; }
.compare-card--amber .compare-card__eyebrow { color: #f0b56a; }
.compare-card--blue .compare-card__eyebrow { color: #89cbff; }

.compare-card__title {
  margin: 0 0 var(--space-4);
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 2vw, 2.4rem);
  line-height: 1.08;
  color: var(--ink-primary);
}

.compare-card__copy,
.compare-card__prompt {
  margin: 0 0 var(--space-3);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink-secondary);
}

.compare-card__prompt strong {
  color: var(--ink-primary);
}

.compare-card__rule {
  width: 100%;
  height: 1px;
  margin: var(--space-5) 0;
  background: linear-gradient(90deg, rgba(255,255,255,0.18), rgba(255,255,255,0.05));
}

.compare-card__pill {
  display: inline-flex;
  align-items: center;
  margin-top: var(--space-4);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(107, 191, 255, 0.35);
  background: rgba(107, 191, 255, 0.10);
  color: #d8ebff;
  font-family: var(--font-body);
  font-size: 0.95rem;
}

/* Comparison matrix */
.post__table-wrap {
  margin: var(--space-8) 0;
  overflow-x: auto;
}

.post__table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
  border: 1px solid var(--edge-faint);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-soft);
}

.post__table caption {
  caption-side: bottom;
  text-align: left;
  padding-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-quiet);
}

.post__table thead th {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--ink-secondary);
  background: rgba(255,255,255,0.02);
}

.post__table th,
.post__table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--edge-faint);
  vertical-align: top;
}

.post__table tbody tr:last-child th,
.post__table tbody tr:last-child td {
  border-bottom: 0;
}

.post__table tbody th {
  width: 34%;
  text-align: left;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--ink-primary);
}

.post__table tbody td {
  color: var(--ink-secondary);
}

.state-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.22rem 0.62rem;
  border-radius: 999px;
  border: 1px solid var(--edge-faint);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1;
  white-space: nowrap;
}

.state-pill::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  display: inline-block;
}

.state-pill--yes {
  color: #d8ebff;
  background: rgba(107, 191, 255, 0.08);
  border-color: rgba(107, 191, 255, 0.24);
}

.state-pill--yes::before {
  background: #6bbfff;
  box-shadow: 0 0 10px rgba(107, 191, 255, 0.35);
}

.state-pill--partial {
  color: #f2dec3;
  background: rgba(232, 165, 92, 0.08);
  border-color: rgba(232, 165, 92, 0.24);
}

.state-pill--partial::before {
  background: #e8a55c;
  box-shadow: 0 0 10px rgba(232, 165, 92, 0.3);
}

.state-pill--no {
  color: var(--ink-secondary);
  background: rgba(255,255,255,0.03);
}

.state-pill--no::before {
  background: rgba(167, 176, 198, 0.5);
}

@media (max-width: 980px) {
  .post__diagram--wide,
  .post__table-wrap--wide {
    width: auto;
    position: static;
    left: auto;
    transform: none;
  }

  .compare-cards {
    grid-template-columns: 1fr;
  }

  .compare-card,
  .compare-card--featured {
    min-height: 0;
  }

  .post__table {
    min-width: 760px;
  }
}

@media (max-width: 720px) {
  .post__diagram {
    padding: var(--space-4);
  }

  .post__diagram--wide,
  .post__table-wrap--wide {
    width: calc(100vw - 1.5rem);
  }

  .compare-cards {
    gap: var(--space-4);
  }

  .compare-card {
    padding: var(--space-5);
    border-radius: 0.9rem;
  }

  .compare-card__title {
    font-size: 1.95rem;
    line-height: 1.1;
  }

  .compare-card__copy,
  .compare-card__prompt {
    font-size: 0.95rem;
  }

  .compare-card__eyebrow {
    font-size: 0.76rem;
  }

  .compare-card__pill {
    font-size: 0.88rem;
    padding: 0.32rem 0.75rem;
  }

  .post__table {
    min-width: 680px;
  }

  .post__table caption {
    font-size: 0.72rem;
    line-height: 1.5;
  }

  .post__table tbody th {
    width: 38%;
  }
}

@media (max-width: 520px) {
  .post__diagram {
    padding: var(--space-3);
  }

  .post__diagram--wide,
  .post__table-wrap--wide {
    width: calc(100vw - 1rem);
  }

  .compare-card {
    padding: 1rem;
  }

  .compare-card__title {
    font-size: 1.72rem;
  }

  .compare-card__copy,
  .compare-card__prompt {
    font-size: 0.92rem;
    line-height: 1.5;
  }

  .compare-card__pill {
    font-size: 0.82rem;
  }

  .post__table {
    min-width: 620px;
  }
}

/* Footer for posts — link to next/prev or back to index */
.post__footer {
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid var(--edge-faint);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-quiet);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.post__footer a { color: var(--accent-glow); text-decoration: none; }
.post__footer a:hover { text-decoration: underline; }