/* ═══════════════════════════════════════════════════
   Shule Link — blog.css
   Styles for the blog listing and article pages.
   Inherits variables and base styles from styles.css
═══════════════════════════════════════════════════ */

/* ── Shared layout ── */
.blog-main,
.blog-article-main {
  padding-top: 72px; /* offset for fixed nav */
  min-height: 100vh;
  background: var(--md-background, #f8faff);
}

/* ══════════════════════════════════
   BLOG LISTING PAGE
══════════════════════════════════ */

/* Hero */
.blog-hero {
  background: #0057D9;
  padding: 64px 0 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.blog-hero .section-eyebrow {
  color: rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 20px;
  padding: 4px 14px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 16px;
}

.blog-hero .display-medium {
  color: #ffffff;
  margin: 0 0 16px;
}

.blog-hero .text-primary {
  color: #93c5fd;
}

.blog-hero .body-large {
  color: rgba(255,255,255,0.82);
  max-width: 560px;
  margin-inline: auto;
}

/* Category filters */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.blog-filter-btn {
  padding: 8px 18px;
  border-radius: 100px;
  border: 1.5px solid var(--md-outline-variant, #c9cdd8);
  background: transparent;
  color: var(--md-on-surface-variant, #44474f);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.blog-filter-btn:hover {
  background: var(--md-primary-container, #dce8ff);
  border-color: var(--md-primary, #0057D9);
  color: var(--md-primary, #0057D9);
}

.blog-filter-btn--active {
  background: var(--md-primary, #0057D9);
  border-color: var(--md-primary, #0057D9);
  color: #ffffff;
}

/* Blog grid */
.blog-grid-section {
  padding: 48px 0 64px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

/* Blog card */
.blog-card {
  background: var(--md-surface, #ffffff);
  border: 1px solid var(--md-outline-variant, #e3e5ef);
  border-radius: 16px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.blog-card:hover {
  box-shadow: 0 8px 32px rgba(0, 87, 217, 0.10);
  transform: translateY(-3px);
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.blog-card-cat {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6b7280;
  border: 1px solid #d1d5db;
  border-radius: 4px;
  padding: 2px 8px;
  background: transparent;
}

.blog-card-date {
  font-size: 0.78rem;
  color: var(--md-on-surface-variant, #6b7280);
}

.blog-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
  margin: 0;
  color: var(--md-on-surface, #1a1c23);
}

.blog-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

.blog-card-title a:hover {
  color: var(--md-primary, #0057D9);
}

.blog-card-excerpt {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--md-on-surface-variant, #44474f);
  margin: 0;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-read {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--md-primary, #0057D9);
  text-decoration: none;
  margin-top: 4px;
  transition: gap 0.2s;
}

.blog-card-read:hover { gap: 8px; }

.blog-card-read .material-symbols-outlined {
  font-size: 16px;
}

/* Blog listing CTA */
.blog-cta-section {
  background: #0057D9;
  padding: 56px 0;
}

.blog-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.blog-cta-inner .display-small {
  color: #ffffff;
  margin: 0 0 8px;
}

.blog-cta-inner .body-large {
  color: rgba(255,255,255,0.82);
  margin: 0;
}

/* ══════════════════════════════════
   ARTICLE PAGE
══════════════════════════════════ */

.blog-article-wrap {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  padding-top: 48px;
  padding-bottom: 80px;
  align-items: start;
}

/* Back link */
.blog-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--md-primary, #0057D9);
  text-decoration: none;
  margin-bottom: 24px;
  transition: gap 0.2s;
}

.blog-back-link:hover { gap: 10px; }

.blog-back-link .material-symbols-outlined {
  font-size: 18px;
}

/* Article meta */
.blog-article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  font-size: 0.83rem;
  color: var(--md-on-surface-variant, #6b7280);
}

/* Article body */
.blog-article-content h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--md-on-surface, #1a1c23);
  margin: 0 0 24px;
}

.blog-lead {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--md-on-surface-variant, #44474f);
  border-left: 3px solid var(--md-primary, #0057D9);
  padding-left: 16px;
  margin: 0 0 32px;
  font-weight: 400;
}

.blog-article-content h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--md-on-surface, #1a1c23);
  margin: 40px 0 14px;
  padding-top: 8px;
  border-bottom: 1.5px solid var(--md-outline-variant, #e3e5ef);
  padding-bottom: 10px;
}

.blog-article-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--md-primary, #0057D9);
  margin: 28px 0 10px;
}

.blog-article-content p {
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--md-on-surface, #1a1c23);
  margin: 0 0 18px;
}

.blog-article-content ul,
.blog-article-content ol {
  padding-left: 24px;
  margin: 0 0 20px;
}

.blog-article-content li {
  font-size: 0.97rem;
  line-height: 1.75;
  color: var(--md-on-surface, #1a1c23);
  margin-bottom: 8px;
}

.blog-article-content strong {
  font-weight: 600;
  color: var(--md-on-surface, #1a1c23);
}

/* Article CTA box */
.blog-article-cta {
  background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 100%);
  border: 1px solid #c7d8f5;
  border-radius: 16px;
  padding: 32px;
  margin-top: 48px;
}

.blog-article-cta h3 {
  color: var(--md-on-surface, #1a1c23) !important;
  font-size: 1.15rem !important;
  margin: 0 0 10px !important;
  padding: 0 !important;
  border: none !important;
}

.blog-article-cta p {
  color: var(--md-on-surface-variant, #44474f);
  margin: 0 0 20px;
}

/* Sidebar */
.blog-sidebar {
  position: sticky;
  top: 92px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.blog-sidebar-widget {
  background: var(--md-surface, #ffffff);
  border: 1px solid var(--md-outline-variant, #e3e5ef);
  border-radius: 16px;
  padding: 24px;
}

.blog-sidebar-widget h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--md-on-surface, #1a1c23);
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-sidebar-widget p {
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--md-on-surface-variant, #44474f);
  margin: 0 0 16px;
}

.blog-sidebar-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.blog-sidebar-links a {
  font-size: 0.85rem;
  color: var(--md-primary, #0057D9);
  text-decoration: none;
  line-height: 1.4;
  display: block;
  padding-left: 12px;
  border-left: 2px solid var(--md-primary-container, #dce8ff);
  transition: border-color 0.2s, color 0.2s;
}

.blog-sidebar-links a:hover {
  border-left-color: var(--md-primary, #0057D9);
  color: #003ea0;
}

/* ══════════════════════════════════
   FOOTER
══════════════════════════════════ */
.blog-footer {
  background: #0d1b2a;
  color: #e2e8f0;
  padding-top: 56px;
}

.blog-footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.blog-footer-logo {
  height: 36px;
  width: auto;
  margin-bottom: 12px;
  filter: invert(1) hue-rotate(180deg) brightness(0.92);
  display: block;
}

.blog-footer-brand p,
.blog-footer-cta p {
  font-size: 0.88rem;
  color: #94a3b8;
  line-height: 1.6;
  margin: 0 0 16px;
}

.blog-footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.blog-footer-links strong,
.blog-footer-cta strong {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #e2e8f0;
  margin-bottom: 4px;
  display: block;
}

.blog-footer-links a {
  font-size: 0.88rem;
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s;
}

.blog-footer-links a:hover { color: #ffffff; }

.blog-footer-bottom {
  padding: 16px 0;
  font-size: 0.82rem;
  color: #64748b;
  text-align: center;
}

/* ══════════════════════════════════
   DARK MODE
══════════════════════════════════ */
[data-theme="dark"] .blog-main,
[data-theme="dark"] .blog-article-main {
  background: #0a1120;
}

[data-theme="dark"] .blog-card {
  background: #1e293b;
  border-color: #334155;
}

[data-theme="dark"] .blog-card-title { color: #f1f5f9; }
[data-theme="dark"] .blog-card-excerpt { color: #94a3b8; }

[data-theme="dark"] .blog-article-content h1,
[data-theme="dark"] .blog-article-content h2 { color: #f1f5f9; }
[data-theme="dark"] .blog-article-content h2 { border-bottom-color: #334155; }
[data-theme="dark"] .blog-article-content p,
[data-theme="dark"] .blog-article-content li { color: #cbd5e1; }

[data-theme="dark"] .blog-article-cta {
  background: #1e293b;
  border-color: #334155;
}

[data-theme="dark"] .blog-sidebar-widget {
  background: #1e293b;
  border-color: #334155;
}

[data-theme="dark"] .blog-sidebar-widget h3 { color: #f1f5f9; }
[data-theme="dark"] .blog-sidebar-widget p  { color: #94a3b8; }
[data-theme="dark"] .blog-sidebar-links a   { color: #93c5fd; border-left-color: #1e3a5f; }
[data-theme="dark"] .blog-sidebar-links a:hover { border-left-color: #93c5fd; color: #bfdbfe; }

[data-theme="dark"] .blog-filter-btn {
  border-color: #334155;
  color: #94a3b8;
}
[data-theme="dark"] .blog-filter-btn:hover {
  background: #1e3a5f;
  border-color: #93c5fd;
  color: #93c5fd;
}
[data-theme="dark"] .blog-filter-btn--active {
  background: #1d4ed8;
  border-color: #1d4ed8;
  color: #ffffff;
}

/* ══════════════════════════════════
   RESPONSIVE
══════════════════════════════════ */
@media (max-width: 900px) {
  .blog-article-wrap {
    grid-template-columns: 1fr;
  }
  .blog-sidebar {
    position: static;
  }
  .blog-footer-inner {
    grid-template-columns: 1fr 1fr;
  }
  .blog-footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
  .blog-hero { padding: 48px 0 40px; }
  .blog-hero .display-medium { font-size: 1.7rem; }
  .blog-cta-inner { flex-direction: column; text-align: center; }
  .blog-footer-inner { grid-template-columns: 1fr; }
  .blog-article-content h1 { font-size: 1.5rem; }
}