/* ===================================================
   Blog — shared styles for listing and article pages
   =================================================== */

/* ── Back to site button ── */
.back-to-site {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--sea);
  text-decoration: none;
  margin-bottom: 1.25rem;
  padding: 0.4em 0.85em;
  border: 1.5px solid color-mix(in srgb, var(--sea) 35%, transparent);
  border-radius: 20px;
  background: color-mix(in srgb, var(--sea) 6%, transparent);
  transition: background 0.15s, border-color 0.15s;
}

.back-to-site:hover {
  background: color-mix(in srgb, var(--sea) 12%, transparent);
  border-color: var(--sea);
}

/* ── Blog Hero (listing page) ── */
.blog-listing-hero {
  padding: 5rem 0 3rem;
  background: linear-gradient(160deg, var(--mist) 0%, var(--foam) 60%);
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
}

/* ── Blog Listing Grid ── */
.blog-listing {
  padding: 3.5rem 0 4rem;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--foam);
  border: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
}

.blog-card:not(.blog-card--coming):hover {
  box-shadow: 0 8px 30px color-mix(in srgb, var(--sea) 14%, transparent);
  transform: translateY(-3px);
}

.blog-card--coming {
  opacity: 0.65;
}

.blog-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  border-top: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
}

.blog-card-icon svg {
  width: 48px;
  height: 48px;
}

.blog-icon--seo  { color: var(--sea); }
.blog-icon--web  { color: var(--coral, #e06050); }
.blog-icon--consult { color: var(--sea); }

.blog-card-body {
  padding: 1.5rem 1.5rem 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.blog-card-category {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sea);
}

.blog-card-date {
  font-size: 0.8rem;
  color: var(--muted);
}

.blog-card-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  background: color-mix(in srgb, var(--ink) 7%, transparent);
  padding: 0.15em 0.6em;
  border-radius: 20px;
}

.blog-card-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 0;
}

.blog-card-title a {
  color: var(--ink);
  text-decoration: none;
}

.blog-card-title a:hover {
  color: var(--sea);
}

.blog-card-excerpt {
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.6;
  margin: 0;
  flex: 1;
}

.blog-card-cta {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--sea);
  text-decoration: none;
}

.blog-card-cta:hover {
  text-decoration: underline;
}

/* ── Blog CTA Band ── */
.blog-cta-band {
  background: linear-gradient(135deg, var(--sea) 0%, color-mix(in srgb, var(--sea) 80%, #000) 100%);
  color: #fff;
  padding: 4rem 0;
  text-align: center;
}

.blog-cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.blog-cta-band p {
  font-size: 1.05rem;
  opacity: 0.88;
  margin: 0 0 1.75rem;
}

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

.blog-cta-band .btn-primary:hover {
  background: color-mix(in srgb, #fff 88%, var(--sea));
}

/* ═══════════════════════════════════════════════════
   Article page
   ═══════════════════════════════════════════════════ */

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

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

.breadcrumb a:hover {
  color: var(--sea);
  text-decoration: underline;
}

/* ── Blog Hero (article) ── */
.blog-hero {
  padding: 5rem 0 3.5rem;
  background: linear-gradient(160deg, var(--mist) 0%, var(--foam) 60%);
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
}

.post-category {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--sea);
  margin-bottom: 0.75rem;
}

.post-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 0 0 1.25rem;
  max-width: 820px;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.post-meta strong {
  color: var(--ink);
}

.post-lead {
  font-size: 1.12rem;
  line-height: 1.65;
  color: var(--ink);
  max-width: 740px;
  margin: 0;
}

/* ── Article Layout ── */
.blog-article {
  padding: 3.5rem 0 5rem;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 4rem;
  align-items: start;
}

/* ── Article Body ── */
.article-body {
  min-width: 0;
}

.article-body h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  margin: 2.5rem 0 1rem;
  padding-top: 0.5rem;
  border-top: 2px solid color-mix(in srgb, var(--sea) 25%, transparent);
  color: var(--ink);
}

.article-body h2:first-of-type {
  margin-top: 0;
}

.article-body h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 1.75rem 0 0.65rem;
  color: var(--ink);
}

.article-body p {
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--ink);
  margin: 0 0 1.1rem;
}

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

.article-body li {
  font-size: 1.02rem;
  line-height: 1.7;
  margin-bottom: 0.45rem;
  color: var(--ink);
}

.article-body a {
  color: var(--sea);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body a:hover {
  color: color-mix(in srgb, var(--sea) 75%, #000);
}

.article-body strong {
  font-weight: 700;
  color: var(--ink);
}

.article-body em {
  font-style: italic;
}

.article-body u {
  text-decoration: underline;
  text-decoration-color: var(--sea);
  text-underline-offset: 3px;
}

.article-body code {
  font-family: 'Courier New', monospace;
  font-size: 0.88em;
  background: color-mix(in srgb, var(--sea) 10%, transparent);
  color: var(--sea);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}

/* ── Blockquote ── */
.article-body blockquote {
  margin: 1.75rem 0;
  padding: 1.1rem 1.5rem;
  border-left: 4px solid var(--sea);
  background: color-mix(in srgb, var(--sea) 6%, transparent);
  border-radius: 0 8px 8px 0;
}

.article-body blockquote p {
  margin: 0;
  font-style: italic;
  font-size: 1.05rem;
}

/* ── Table ── */
.article-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0 1.75rem;
  font-size: 0.94rem;
}

.article-table th {
  text-align: left;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0.6rem 0.85rem;
  border-bottom: 2px solid color-mix(in srgb, var(--ink) 14%, transparent);
}

.article-table td {
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
  vertical-align: top;
  line-height: 1.55;
}

.article-table tr:last-child td {
  border-bottom: none;
}

/* ── Callouts ── */
.callout {
  margin: 1.75rem 0;
  padding: 1.1rem 1.35rem;
  border-radius: 8px;
  font-size: 0.97rem;
  line-height: 1.6;
}

.callout-tip {
  background: color-mix(in srgb, var(--sea) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--sea) 25%, transparent);
}

.callout-warning {
  background: color-mix(in srgb, #f59e0b 8%, transparent);
  border: 1px solid color-mix(in srgb, #f59e0b 35%, transparent);
}

.callout-cta {
  background: color-mix(in srgb, var(--sea) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--sea) 30%, transparent);
  text-align: center;
  padding: 1.5rem 2rem;
}

/* ── Table of Contents ── */
.toc {
  background: color-mix(in srgb, var(--ink) 4%, transparent);
  border: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 2.5rem;
}

.toc-title {
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

.toc ol {
  margin: 0;
  padding-left: 1.1rem;
}

.toc li {
  margin-bottom: 0.35rem;
  font-size: 0.93rem;
}

.toc a {
  color: var(--ink);
  text-decoration: none;
}

.toc a:hover {
  color: var(--sea);
  text-decoration: underline;
}

/* ── Sidebar ── */
.article-sidebar {
  position: sticky;
  top: 5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.sidebar-card {
  background: var(--foam);
  border: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
  border-radius: 10px;
  padding: 1.25rem 1.35rem;
}

.sidebar-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin: 0 0 0.6rem;
}

.sidebar-card p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.55;
  margin: 0 0 1rem;
}

.sidebar-card p a {
  color: var(--sea);
}

.sidebar-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.sidebar-links a {
  font-size: 0.9rem;
  color: var(--sea);
  text-decoration: none;
}

.sidebar-links a:hover {
  text-decoration: underline;
}

.btn-sm {
  padding: 0.55rem 1.1rem;
  font-size: 0.9rem;
}

/* ── Post Footer ── */
.post-footer {
  border-top: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
  padding: 2.5rem 0 3rem;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.tag {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.3em 0.8em;
  border-radius: 20px;
  background: color-mix(in srgb, var(--sea) 10%, transparent);
  color: var(--sea);
}

.post-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── Home blog preview section ── */
.blog-preview {
  background: var(--foam);
  padding: 5rem 0;
  border-top: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
}

.blog-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.blog-preview-footer {
  margin-top: 2.5rem;
  text-align: center;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .article-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .article-sidebar {
    position: static;
  }
}

@media (max-width: 600px) {
  .blog-hero {
    padding: 3.5rem 0 2.5rem;
  }

  .post-title {
    font-size: 1.65rem;
  }

  .post-footer .post-nav {
    flex-direction: column;
  }

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

  .article-table {
    font-size: 0.85rem;
  }

  .article-table th,
  .article-table td {
    padding: 0.5rem 0.6rem;
  }
}