/* Blog styles — extends styles.css (shared :root vars, topbar, buttons, footer) */

/* Data-legend colors from the study assets */
:root {
  --cb: #ff8c2a;   /* Coach Brain (1 camera) */
  --lab: #39d98a;  /* 9-camera lab */
}

/* ---- Blog index / listing ---- */
.blog-head {
  width: min(calc(100% - 32px), var(--max));
  margin: 40px auto 0;
  padding: 40px 16px 8px;
}

.blog-head h1 {
  margin: 10px 0 0;
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  letter-spacing: -0.04em;
  line-height: 1.02;
  color: var(--heading);
}

.blog-head p {
  margin: 18px 0 0;
  max-width: 640px;
  color: var(--text-dim);
  font-size: 1.08rem;
  line-height: 1.7;
}

.post-grid {
  width: min(calc(100% - 32px), var(--max));
  margin: 34px auto 0;
  padding: 0 16px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.post-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.035);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.post-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 0, 255, 0.35);
  box-shadow: 0 24px 80px rgba(255, 0, 255, 0.12);
}

.post-card .cover {
  aspect-ratio: 16 / 9;
  width: 100%;
  object-fit: cover;
  background: #0d1117;
  border-bottom: 1px solid var(--line);
}

.post-card .card-body {
  padding: 24px 26px 28px;
}

.post-card .card-kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-fuchsia);
}

.post-card h2 {
  margin: 12px 0 0;
  font-size: 1.5rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--heading);
}

.post-card .excerpt {
  margin: 12px 0 0;
  color: var(--text-dim);
  font-size: 0.98rem;
  line-height: 1.65;
}

.post-card .read-more {
  display: inline-block;
  margin-top: 18px;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
}

/* ---- Article ---- */
.article {
  width: min(calc(100% - 32px), 760px);
  margin: 0 auto;
  padding: 0 8px;
}

.article-hero {
  padding: 56px 0 30px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 8px;
}

.article-hero .kicker {
  color: var(--accent-fuchsia);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.article-hero h1 {
  margin: 18px 0 0;
  font-size: clamp(2.1rem, 4.5vw, 3.1rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--heading);
}

.article-hero .dek {
  margin: 20px 0 0;
  color: var(--text-dim);
  font-size: 1.18rem;
  line-height: 1.6;
}

.back-link {
  display: inline-block;
  margin: 28px 0 0;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.92rem;
}
.back-link:hover { color: var(--accent-fuchsia); }

.article-body { padding: 8px 0 20px; }

.article-body h2 {
  margin: 48px 0 4px;
  font-size: 1.7rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--heading);
}

.article-body p {
  margin: 18px 0;
  color: var(--text);
  font-size: 1.08rem;
  line-height: 1.8;
}

.article-body .lead {
  font-size: 1.28rem;
  line-height: 1.6;
  color: var(--text-dim);
}

.article-body strong { color: #fff; }

.article-body blockquote {
  margin: 28px 0;
  padding: 6px 24px;
  border-left: 3px solid var(--accent-fuchsia);
  color: var(--heading);
  font-style: italic;
  font-size: 1.2rem;
  line-height: 1.6;
}

.article-body hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 44px 0;
}

.article-body .summary-table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.035);
  font-size: 0.98rem;
}

.article-body .summary-table th,
.article-body .summary-table td {
  padding: 13px 18px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.article-body .summary-table th {
  color: var(--text-dim);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.article-body .summary-table tbody tr:last-child td { border-bottom: none; }
.article-body .summary-table td { color: var(--text); }
.article-body .summary-table td:last-child { color: var(--cb); font-weight: 700; }

.article-body figure { margin: 36px 0; }

.article-body figure img {
  width: 100%;
  display: block;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: #0d1117;
}

.article-body figcaption {
  margin-top: 12px;
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Video gallery */
.legend {
  color: var(--text-dim);
}
.legend .cb { color: var(--cb); font-weight: 700; }
.legend .lab { color: var(--lab); font-weight: 700; }

.vgrid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 30px 0;
}

.vcard {
  margin: 0;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.035);
}

.vcard video {
  width: 100%;
  display: block;
  border-radius: 8px;
  background: #0d1117;
}

.vcard .cap {
  margin-top: 8px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}
.vcard .cap b { color: var(--text); }

.article-footnote {
  margin-top: 12px;
  padding: 28px 0 10px;
  border-top: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.6;
}

@media (max-width: 560px) {
  .vgrid { grid-template-columns: 1fr; }
}