/* OSPI blog — listing + article pages */

.blog-hero {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}

.blog-hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.75rem 1.5rem 3rem;
}

.blog-hero .blog-eyebrow {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.65rem;
}

.blog-hero h1 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  color: var(--navy);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
  max-width: 20ch;
}

.blog-hero-lead {
  font-size: 1.1875rem;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 58ch;
}

.blog-main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.blog-filter-btn {
  appearance: none;
  border: 1px solid var(--border-strong);
  background: var(--bg);
  color: var(--text-muted);
  font-family: var(--font);
  font-size: var(--text-sm);
  font-weight: 700;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.blog-filter-btn:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.blog-filter-btn.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

.blog-featured {
  margin-bottom: 2.5rem;
}

.blog-featured-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  padding: 1.75rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: linear-gradient(135deg, #fff 0%, var(--bg-alt) 100%);
  box-shadow: 0 8px 24px rgba(15, 39, 68, 0.06);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.blog-featured-card:hover {
  border-color: var(--accent);
  box-shadow: 0 12px 28px rgba(15, 39, 68, 0.1);
  transform: translateY(-1px);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.35rem;
}

.blog-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 1.35rem 1.35rem 1.15rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.blog-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 6px 18px rgba(15, 39, 68, 0.06);
}

.blog-card-link {
  display: flex;
  flex-direction: column;
  flex: 1;
  text-decoration: none;
  color: inherit;
}

.blog-card-meta,
.blog-featured-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.75rem;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.blog-category {
  color: var(--accent);
}

.blog-card-title,
.blog-featured-title {
  font-family: var(--serif);
  font-size: 1.25rem;
  line-height: 1.28;
  color: var(--navy);
  font-weight: 700;
  margin-bottom: 0.65rem;
}

.blog-featured-title {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  max-width: 36ch;
}

.blog-card-excerpt,
.blog-featured-excerpt {
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-bottom: 1rem;
  flex: 1;
}

.blog-read-more {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  margin-top: auto;
}

.blog-read-more:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.blog-load-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: 2.5rem;
}

.blog-empty {
  display: none;
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-muted);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--bg-alt);
}

.blog-empty.is-visible {
  display: block;
}

.blog-card.is-hidden,
.blog-featured.is-hidden {
  display: none;
}

/* Article page */
.blog-article-hero {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}

.blog-article-hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.25rem 1.5rem 2.5rem;
}

.blog-breadcrumb {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.blog-breadcrumb a {
  color: var(--accent);
  text-decoration: none;
}

.blog-breadcrumb a:hover {
  text-decoration: underline;
}

.blog-breadcrumb span {
  margin: 0 0.35rem;
  opacity: 0.55;
}

.blog-article-hero h1 {
  font-family: var(--serif);
  font-size: clamp(1.85rem, 4vw, 2.65rem);
  line-height: 1.15;
  color: var(--navy);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
  max-width: 28ch;
}

.blog-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.blog-article-layout {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3rem;
}

.blog-article-body {
  max-width: 42rem;
}

.blog-article-body h2 {
  font-family: var(--serif);
  font-size: 1.45rem;
  color: var(--navy);
  font-weight: 700;
  margin: 2rem 0 0.75rem;
  line-height: 1.25;
}

.blog-article-body h3 {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--navy);
  font-weight: 700;
  margin: 1.5rem 0 0.55rem;
}

.blog-article-body p,
.blog-article-body li {
  margin-bottom: 1rem;
  line-height: 1.75;
}

.blog-article-body ul,
.blog-article-body ol {
  margin: 0 0 1rem 1.25rem;
}

.blog-article-body a {
  color: var(--accent);
}

.blog-article-body a:hover {
  color: var(--accent-hover);
}

.blog-article-body code {
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.1em 0.35em;
}

/* legal.css sets .blog-article-body a { color: accent } — override on cert buttons */
.blog-article-body a.blog-cert-link,
.blog-article-body a.blog-cert-link:hover {
  text-decoration: none;
}

.blog-article-body a.blog-cert-link--primary,
.blog-article-body a.blog-cert-link--primary:hover {
  color: #fff;
}

.blog-article-body--wide {
  max-width: none;
}

.blog-table-note {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin: -0.35rem 0 1.75rem;
}

.blog-table-wrap {
  overflow-x: auto;
  margin: 1.25rem 0 1.5rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: 0 4px 14px rgba(15, 39, 68, 0.05);
}

.blog-compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  min-width: 36rem;
}

.blog-compare-table th,
.blog-compare-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.blog-compare-table th {
  background: var(--bg-alt);
  font-weight: 700;
  color: var(--navy);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-compare-table tbody tr:last-child td {
  border-bottom: none;
}

.blog-compare-table tbody tr:hover {
  background: #fafbfd;
}

.blog-callout {
  margin: 1.75rem 0;
  padding: 1.15rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  border-left-width: 4px;
}

.blog-callout--tip {
  background: #eff6ff;
  border-left-color: var(--accent);
}

.blog-callout--note {
  background: var(--bg-alt);
  border-left-color: var(--border-strong);
}

.blog-callout--warn {
  background: #fffbeb;
  border-left-color: var(--bronze);
}

.blog-callout-title {
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.45rem;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-callout-body p:last-child {
  margin-bottom: 0;
}

.blog-cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0 2rem;
}

.blog-cert-card {
  position: relative;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 1.35rem 1.35rem 1.15rem;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  box-shadow: 0 4px 16px rgba(15, 39, 68, 0.04);
}

.blog-cert-card--highlight {
  border-color: var(--accent);
  box-shadow: 0 8px 22px rgba(30, 95, 138, 0.12);
}

.blog-cert-rank {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.blog-cert-name {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--navy);
  margin: 0;
  padding-right: 2rem;
  line-height: 1.3;
}

.blog-cert-issuer {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin: 0.2rem 0 0;
}

.blog-cert-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem 0.75rem;
  margin: 0;
  padding: 0.75rem 0 0;
  border-top: 1px solid var(--border);
}

.blog-cert-facts div {
  min-width: 0;
}

.blog-cert-facts dt {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 0.15rem;
}

.blog-cert-facts dd {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--navy);
  font-weight: 600;
}

.blog-cert-best-for {
  font-size: var(--text-sm);
  line-height: 1.55;
  margin: 0;
  color: var(--text);
}

.blog-cert-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.blog-cert-col-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.blog-cert-list {
  margin: 0;
  padding-left: 1.1rem;
  font-size: var(--text-sm);
  line-height: 1.5;
}

.blog-cert-list li {
  margin-bottom: 0.35rem;
}

.blog-cert-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.35rem;
}

.blog-cert-link {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.85rem;
  font-size: var(--text-xs);
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  color: var(--navy);
  background: var(--bg-alt);
}

.blog-cert-link:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.blog-cert-link--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.blog-cert-link--primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

.blog-pick-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.blog-pick-list li {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.55;
}

.blog-pick-list li:last-child {
  border-bottom: none;
}

.blog-pick-list li:nth-child(odd) {
  background: var(--bg-alt);
}

.blog-pick-list strong {
  color: var(--navy);
}

.blog-related {
  border-top: 1px solid var(--border);
  padding-top: 2.5rem;
}

.blog-related h2 {
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--navy);
  margin-bottom: 1.25rem;
}

.blog-related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.blog-cta-band {
  background: var(--navy);
  color: #fff;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.blog-cta-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem 2rem;
}

.blog-cta-inner h2 {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  color: #fff;
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.blog-cta-inner p {
  color: rgba(255, 255, 255, 0.82);
  max-width: 42ch;
  margin: 0;
}

.blog-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.blog-cta-band .btn-primary {
  background: #fff;
  color: var(--navy);
}

.blog-cta-band .btn-primary:hover {
  background: var(--bg-alt);
  color: var(--navy);
}

.blog-cta-band .btn-outline {
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}

.blog-cta-band .btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #fff;
  color: #fff;
}

@media (max-width: 960px) {
  .blog-grid,
  .blog-related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .blog-grid,
  .blog-related-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .blog-cert-columns {
    grid-template-columns: 1fr;
  }

  .blog-cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}