/* ── Blog — public styles (mobile-first) ─────────────────────────────────── */

/* ── Variables ── */
:root {
  --blog-brand: #2563eb;
  --blog-brand-dark: #1d4ed8;
  --blog-accent: #38bdf8;
  --blog-navy: #060f1d;
  --blog-surface: #ffffff;
  --blog-surface-muted: #f8fafc;
  --blog-border: #e2e8f0;
  --blog-text: #0f172a;
  --blog-text-secondary: #475569;
  --blog-text-muted: #94a3b8;
  --blog-radius: 14px;
  --blog-shadow: 0 2px 16px rgba(6,15,29,.07);
  --blog-shadow-hover: 0 8px 32px rgba(37,99,235,.13);
}

/* ── Layout wrapper ── */
.bl-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ── Hero ── */
.bl-hero {
  background: linear-gradient(135deg, var(--blog-navy) 0%, #0c1e3d 100%);
  padding: 56px 16px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.bl-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(37,99,235,.25) 0%, transparent 70%);
  pointer-events: none;
}
.bl-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blog-accent);
  margin-bottom: 14px;
}
.bl-hero-eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blog-accent);
  flex-shrink: 0;
}
.bl-hero h1 {
  font-size: clamp(28px, 6vw, 48px);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin: 0 0 14px;
}
.bl-hero p {
  font-size: clamp(15px, 2.5vw, 18px);
  color: rgba(255,255,255,.7);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ── Category filter bar ── */
.bl-cats {
  padding: 24px 0 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.bl-cats::-webkit-scrollbar { display: none; }
.bl-cats-inner {
  display: flex;
  gap: 8px;
  padding: 0 16px;
  min-width: max-content;
}
.bl-cat-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 7px 16px;
  border-radius: 99px;
  border: 1.5px solid var(--blog-border);
  background: var(--blog-surface);
  color: var(--blog-text-secondary);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .15s, color .15s, background .15s, box-shadow .15s;
  cursor: pointer;
}
.bl-cat-pill:hover {
  border-color: var(--blog-brand);
  color: var(--blog-brand);
}
.bl-cat-pill.active {
  background: var(--blog-brand);
  border-color: var(--blog-brand);
  color: #fff;
  box-shadow: 0 2px 10px rgba(37,99,235,.25);
}

/* ── Grid ── */
.bl-grid-section { padding: 28px 0 64px; }
.bl-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 640px) {
  .bl-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .bl-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── Card ── */
.bl-card {
  display: flex;
  flex-direction: column;
  background: var(--blog-surface);
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--blog-shadow);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.bl-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--blog-shadow-hover);
  border-color: rgba(37,99,235,.2);
}
.bl-card-img {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
  position: relative;
  flex-shrink: 0;
}
.bl-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .3s;
}
.bl-card:hover .bl-card-img img { transform: scale(1.04); }
.bl-card-img-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.3);
  font-size: 36px;
}
.bl-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 20px;
}
.bl-card-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}
.bl-card-cat {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--blog-brand);
  background: #eff6ff;
  padding: 3px 8px;
  border-radius: 5px;
}
.bl-card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--blog-text);
  line-height: 1.4;
  margin: 0 0 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.bl-card-excerpt {
  font-size: 14px;
  color: var(--blog-text-secondary);
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}
.bl-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: var(--blog-text-muted);
  margin-top: auto;
}
.bl-card-date { display: flex; align-items: center; gap: 5px; }
.bl-card-read {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--blog-brand);
  text-decoration: none;
}
.bl-card-read i { font-size: 10px; transition: transform .15s; }
.bl-card:hover .bl-card-read i { transform: translateX(3px); }

/* ── Featured card (first post, full width on desktop) ── */
.bl-featured {
  display: none;
}
@media (min-width: 900px) {
  .bl-featured {
    display: flex;
    flex-direction: row;
    margin-bottom: 32px;
    min-height: 340px;
  }
  .bl-featured .bl-card-img {
    aspect-ratio: unset;
    width: 54%;
    flex-shrink: 0;
  }
  .bl-featured .bl-card-body {
    padding: 36px 32px;
    justify-content: center;
  }
  .bl-featured .bl-card-title {
    font-size: 26px;
    -webkit-line-clamp: 3;
  }
  .bl-featured .bl-card-excerpt {
    font-size: 15px;
    -webkit-line-clamp: 4;
  }
}

/* ── Empty state ── */
.bl-empty {
  text-align: center;
  padding: 80px 16px;
  grid-column: 1 / -1;
}
.bl-empty-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: #eff6ff;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  color: var(--blog-brand);
  font-size: 26px;
}
.bl-empty h3 { font-size: 20px; color: var(--blog-text); margin: 0 0 8px; }
.bl-empty p  { font-size: 14px; color: var(--blog-text-secondary); margin: 0; }

/* ── Pagination ── */
.bl-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 32px 0 16px;
  flex-wrap: wrap;
}
.bl-page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px; height: 38px;
  padding: 0 12px;
  border-radius: 9px;
  border: 1.5px solid var(--blog-border);
  background: var(--blog-surface);
  color: var(--blog-text-secondary);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: all .15s;
}
.bl-page-link:hover { border-color: var(--blog-brand); color: var(--blog-brand); }
.bl-page-link.active {
  background: var(--blog-brand);
  border-color: var(--blog-brand);
  color: #fff;
}
.bl-page-link.disabled { opacity: .4; pointer-events: none; }


/* ══════════════════════════════════════════════════════════════════════════════
   Post detail page
   ══════════════════════════════════════════════════════════════════════════════ */

/* ── Post hero ── */
.blp-hero {
  background: linear-gradient(135deg, var(--blog-navy) 0%, #0c1e3d 100%);
  padding: 48px 16px 0;
  position: relative;
  overflow: hidden;
}
.blp-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 70% at 50% 0%, rgba(37,99,235,.22) 0%, transparent 70%);
  pointer-events: none;
}
.blp-hero-inner {
  max-width: 780px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.blp-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.blp-cat {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--blog-accent);
  background: rgba(56,189,248,.12);
  border: 1px solid rgba(56,189,248,.25);
  padding: 4px 10px;
  border-radius: 6px;
}
.blp-title {
  font-size: clamp(24px, 5vw, 42px);
  font-weight: 800;
  color: #fff;
  line-height: 1.18;
  margin: 0 0 16px;
}
.blp-excerpt {
  font-size: clamp(15px, 2.2vw, 18px);
  color: rgba(255,255,255,.72);
  line-height: 1.65;
  margin: 0 0 24px;
}
.blp-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,255,255,.5);
  padding-bottom: 36px;
}
.blp-meta i { margin-right: 5px; }

/* ── Cover image strip ── */
.blp-cover {
  width: 100%;
  max-height: 460px;
  object-fit: cover;
  display: block;
}

/* ── Article body ── */
.blp-article-wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 40px 16px 80px;
}
.blp-back {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 500;
  color: var(--blog-text-secondary);
  text-decoration: none;
  margin-bottom: 32px;
  transition: color .15s;
}
.blp-back:hover { color: var(--blog-brand); }
.blp-back i { font-size: 11px; }

/* ── Rich text body styles ── */
.blp-body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--blog-text);
}
.blp-body h1, .blp-body h2, .blp-body h3,
.blp-body h4, .blp-body h5, .blp-body h6 {
  font-weight: 700;
  line-height: 1.3;
  margin: 2em 0 .6em;
  color: var(--blog-text);
}
.blp-body h1 { font-size: 1.9em; }
.blp-body h2 { font-size: 1.5em; }
.blp-body h3 { font-size: 1.2em; }
.blp-body p { margin: 0 0 1.2em; }
.blp-body a { color: var(--blog-brand); text-decoration: underline; }
.blp-body a:hover { color: var(--blog-brand-dark); }
.blp-body ul, .blp-body ol {
  margin: 0 0 1.2em 1.6em;
  padding: 0;
}
.blp-body li { margin-bottom: .4em; }
.blp-body blockquote {
  border-left: 4px solid var(--blog-brand);
  margin: 1.5em 0;
  padding: .6em 1.2em;
  background: #eff6ff;
  border-radius: 0 8px 8px 0;
  font-style: italic;
  color: var(--blog-text-secondary);
}
.blp-body pre {
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 10px;
  padding: 20px;
  overflow-x: auto;
  font-size: 13px;
  margin: 1.5em 0;
}
.blp-body code {
  background: #f1f5f9;
  color: #be185d;
  padding: 2px 6px;
  border-radius: 5px;
  font-size: .9em;
}
.blp-body pre code {
  background: none;
  color: inherit;
  padding: 0;
  border-radius: 0;
}
.blp-body img {
  max-width: 100%;
  border-radius: 10px;
  margin: 1em 0;
  display: block;
}
.blp-body hr {
  border: none;
  border-top: 1.5px solid var(--blog-border);
  margin: 2.5em 0;
}
.blp-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 14px;
  overflow-x: auto;
  display: block;
}
.blp-body th, .blp-body td {
  border: 1px solid var(--blog-border);
  padding: 10px 14px;
  text-align: left;
}
.blp-body th {
  background: #f8fafc;
  font-weight: 600;
}

/* ── Share / bottom strip ── */
.blp-footer-strip {
  border-top: 1px solid var(--blog-border);
  padding-top: 28px;
  margin-top: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.blp-footer-back {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 500;
  color: var(--blog-text-secondary);
  text-decoration: none;
  padding: 9px 18px;
  border: 1.5px solid var(--blog-border);
  border-radius: 9px;
  transition: all .15s;
}
.blp-footer-back:hover { border-color: var(--blog-brand); color: var(--blog-brand); }

/* ── Desktop ── */
@media (min-width: 768px) {
  .bl-hero   { padding: 72px 24px 60px; }
  .bl-wrap   { padding: 0 24px; }
  .blp-hero  { padding: 64px 24px 0; }
  .blp-article-wrap { padding: 48px 24px 100px; }
}