/* ============================================================
   Seqular — Free Software Community
   Design System — Clean · Modern · Knixus-aligned
   ============================================================ */

/* ── Variables ── */
:root {
  --bg-primary:   #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary:  #e9ecef;

  --text-primary:   #1a1a1a;
  --text-secondary: #6c757d;
  --text-muted:     #adb5bd;

  --border-color: #dee2e6;
  --card-bg:      rgba(255, 255, 255, 0.95);
  --card-border:  rgba(0, 0, 0, 0.05);

  --accent:           #667eea;
  --accent-secondary: #764ba2;
  --accent-gradient:  linear-gradient(135deg, #667eea 0%, #764ba2 100%);

  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow:    0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.10);

  --transition: all 0.3s ease;
  --radius:     12px;
  --navbar-bg:  rgba(255,255,255,0.95);
}

[data-theme="dark"] {
  --bg-primary:   #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary:  #334155;

  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #64748b;

  --border-color: #334155;
  --card-bg:      rgba(30, 41, 59, 0.95);
  --card-border:  rgba(255,255,255,0.05);

  --accent:           #818cf8;
  --accent-secondary: #a78bfa;
  --accent-gradient:  linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);

  --shadow-sm: 0 2px 4px rgba(0,0,0,0.20);
  --shadow:    0 4px 6px rgba(0,0,0,0.40);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.50);

  --navbar-bg: rgba(15,23,42,0.95);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

main { flex: 1; }

a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-secondary); }

/* ── Navbar ── */
.sq-navbar {
  background: var(--navbar-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1050;
  box-shadow: var(--shadow-sm);
}

.sq-navbar .navbar-brand {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary) !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sq-navbar .navbar-logo { height: 30px; width: auto; }

.logo-dark  { display: none; }
[data-theme="dark"] .logo-light { display: none; }
[data-theme="dark"] .logo-dark  { display: inline; }

.sq-navbar .nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  transition: var(--transition);
  position: relative;
}
.sq-navbar .nav-link:hover { color: var(--accent) !important; }
.sq-navbar .nav-link::after {
  content: '';
  position: absolute; bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 0; height: 2px;
  background: var(--accent-gradient);
  transition: width 0.3s ease;
}
.sq-navbar .nav-link:hover::after,
.sq-navbar .nav-link.active::after { width: 80%; }
.sq-navbar .nav-link.active { color: var(--accent) !important; }

.btn-join-nav {
  background: var(--accent-gradient);
  color: #fff !important;
  border: none;
  padding: 0.5rem 1.25rem !important;
  border-radius: 8px;
  font-weight: 600 !important;
  font-size: 0.9rem !important;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.btn-join-nav:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: #fff !important;
}
.btn-join-nav::after { display: none !important; }

#theme-toggle {
  background: none; border: none; cursor: pointer;
  color: var(--text-secondary);
  font-size: 1.1rem;
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
  transition: var(--transition);
}
#theme-toggle:hover { color: var(--accent); }

.navbar-toggler { border-color: var(--border-color); }
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(108,117,125,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ── Buttons ── */
.btn-sq-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-gradient);
  color: #fff;
  border: none;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: var(--shadow);
  cursor: pointer;
}
.btn-sq-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-sq-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
  padding: 0.8rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: var(--transition);
}
.btn-sq-outline:hover {
  background: var(--accent-gradient);
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-sq-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: var(--transition);
}
.btn-sq-ghost:hover {
  background: var(--accent-gradient);
  color: #fff;
  border-color: transparent;
}

/* ── Hero ── */
.sq-hero {
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
  background: var(--bg-primary);
}
.sq-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--accent-gradient);
  opacity: 0.04;
  pointer-events: none;
}

.sq-hero-eyebrow {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1rem;
  display: block;
}

.sq-hero-title {
  font-size: clamp(2.2rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}
.sq-hero-title .highlight {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sq-hero-lead {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

/* ── Badges ── */
.sq-badges { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.sq-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.8rem;
  border-radius: 6px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}
.sq-badge.dark {
  background: rgba(102,126,234,0.1);
  border-color: rgba(102,126,234,0.2);
  color: var(--accent);
}

/* ── Stats ── */
.sq-stats {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 3rem 0;
}
.sq-stat-num {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
  line-height: 1;
}
.sq-stat-label {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ── Sections ── */
.sq-section { padding: 6rem 0; }
.sq-section-alt {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.sq-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.sq-section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.sq-section-lead {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.sq-divider {
  width: 56px;
  height: 4px;
  background: var(--accent-gradient);
  border-radius: 2px;
  margin: 1rem auto 2.5rem;
}
.sq-divider-left { margin-left: 0; }

/* ── Feature Cards ── */
.sq-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2.5rem;
  height: 100%;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
}
.sq-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.sq-card-icon {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: #fff;
  margin-bottom: 1.5rem;
}

.sq-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.sq-card-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── Qwen Card ── */
.sq-qwen-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}
.sq-qwen-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--accent-gradient);
}
.sq-qwen-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  object-fit: cover;
}

/* ── CTA ── */
.sq-cta {
  padding: 6rem 0;
  background: var(--accent-gradient);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.sq-cta::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 70% at 50% 50%, rgba(255,255,255,0.1) 0%, transparent 70%);
}
.sq-cta-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 1rem;
  line-height: 1.2;
}
.sq-cta-lead {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
}
.btn-sq-white {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #fff;
  color: var(--accent-secondary);
  border: none;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 4px 6px rgba(0,0,0,0.15);
}
.btn-sq-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
  color: var(--accent-secondary);
}
.btn-sq-white-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: 2px solid rgba(255,255,255,0.5);
  padding: 0.8rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: var(--transition);
}
.btn-sq-white-outline:hover {
  background: rgba(255,255,255,0.2);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

/* ── Contact ── */
.sq-contact-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.sq-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.sq-contact-item:last-child { margin-bottom: 0; }
.sq-contact-item-icon {
  font-size: 1.5rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-top: 0.1rem;
  flex-shrink: 0;
  width: 1.75rem;
  text-align: center;
}
.sq-contact-item-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.15rem;
}
.sq-contact-item-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

.social-link {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--text-secondary);
  transition: var(--transition);
  text-decoration: none;
}
.social-link:hover {
  background: var(--accent-gradient);
  color: #fff;
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

/* ── Forms ── */
.form-control, .form-select {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  font-size: 1rem;
  transition: var(--transition);
}
.form-control:focus, .form-select:focus {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem rgba(102,126,234,0.2);
  outline: none;
}
.form-control::placeholder { color: var(--text-muted); }
.form-label {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

/* ── About: Value Cards ── */
.sq-value-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 2rem;
  height: 100%;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.sq-value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.sq-value-icon {
  font-size: 2.5rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  display: block;
}
.sq-value-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}
.sq-value-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ── Note Box ── */
.sq-note {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
}
.sq-note-icon { color: var(--accent); flex-shrink: 0; margin-top: 0.1rem; }
.sq-note-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin: 0;
}

/* ── Footer ── */
.sq-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 1.5rem;
  margin-top: auto;
}
.sq-footer-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 300px;
  line-height: 1.7;
  margin: 1rem 0 1.5rem;
}
.sq-footer-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}
.sq-footer-links { list-style: none; padding: 0; }
.sq-footer-links li { margin-bottom: 0.75rem; }
.sq-footer-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
}
.sq-footer-links a:hover { color: var(--accent); }
.sq-footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  margin-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.sq-footer-bottom p { font-size: 0.875rem; color: var(--text-secondary); margin: 0; }
.sq-free-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  background: rgba(102,126,234,0.1);
  border: 1px solid rgba(102,126,234,0.2);
  color: var(--accent);
}

/* ── Tags ── */
.sq-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  margin: 0.1rem;
}

/* ── Page Hero ── */
.sq-page-hero {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
}
.sq-page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--accent-gradient);
  opacity: 0.04;
  pointer-events: none;
}

/* ── Core Team Section ── */
.core-team-section {
  padding: 6rem 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  position: relative;
}
[data-theme="dark"] .core-team-section {
  background: var(--bg-primary);
}

/* ── Animations ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp 0.6s ease-out both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .sq-hero { padding: 4rem 0 3.5rem; }
  .sq-section { padding: 4rem 0; }
  .sq-cta { padding: 4rem 0; }
  .sq-page-hero { padding: 3.5rem 0 3rem; }
  .sq-hero-lead { font-size: 1rem; }
  .sq-card { padding: 1.75rem; }
}

/* ═══════════════════════════════════════
   Blog System
═══════════════════════════════════════ */

/* ── Blog Card ── */
.blog-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.blog-card-cover {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}
.blog-card-body {
  padding: 1.25rem 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.blog-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}
.blog-card-title a {
  color: inherit;
  text-decoration: none;
}
.blog-card-title a:hover { color: var(--accent); }
.blog-card-excerpt {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-card-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-top: auto;
}
.blog-meta-sep { color: var(--text-muted); }

/* ── Tags ── */
.blog-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.blog-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  text-decoration: none;
  transition: var(--transition);
}
.blog-tag-pill:hover,
.blog-tag-pill.active {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}
.blog-tag-count {
  background: rgba(0,0,0,0.1);
  border-radius: 999px;
  padding: 0 0.35rem;
  font-size: 0.7rem;
}
.blog-tag-pill.active .blog-tag-count { background: rgba(255,255,255,0.25); }

/* ── Author chip (inline) ── */
.blog-author-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
}
.blog-author-chip img {
  width: 20px; height: 20px;
  border-radius: 50%;
  object-fit: cover;
}
.blog-author-chip:hover { color: var(--accent); }

/* ── Sidebar ── */
.blog-sidebar-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.blog-sidebar-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

/* ── Pagination info ── */
.blog-page-info {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ── Empty state ── */
.blog-empty {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}

/* ── Back link ── */
.blog-back-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
}
.blog-back-link:hover { color: var(--accent); }

/* ── Single post ── */
.blog-post-container { max-width: 780px; }

.blog-post-cover-wrap { border-radius: var(--radius); overflow: hidden; }
.blog-post-cover      { width: 100%; max-height: 420px; object-fit: cover; display: block; }

.blog-post-title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}
.blog-post-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

/* ── Markdown content ── */
.blog-post-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-primary);
}
.blog-post-content h1,
.blog-post-content h2,
.blog-post-content h3,
.blog-post-content h4 {
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}
.blog-post-content h1 { font-size: 1.75rem; }
.blog-post-content h2 { font-size: 1.4rem; }
.blog-post-content h3 { font-size: 1.15rem; }
.blog-post-content p  { margin-bottom: 1.2rem; }
.blog-post-content ul,
.blog-post-content ol { padding-left: 1.5rem; margin-bottom: 1.2rem; }
.blog-post-content li { margin-bottom: 0.4rem; }
.blog-post-content a  { color: var(--accent); text-decoration: underline; }
.blog-post-content blockquote {
  border-left: 4px solid var(--accent);
  padding: 0.75rem 1rem;
  margin: 1.5rem 0;
  background: var(--bg-secondary);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-secondary);
  font-style: italic;
}
.blog-post-content pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  overflow-x: auto;
  margin-bottom: 1.2rem;
  font-size: 0.9rem;
}
.blog-post-content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.875em;
}
.blog-post-content :not(pre) > code {
  background: var(--bg-tertiary);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}
.blog-post-content img {
  max-width: 100%;
  border-radius: var(--radius);
  margin: 1rem 0;
}
.blog-post-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.2rem;
  font-size: 0.9rem;
}
.blog-post-content th,
.blog-post-content td {
  border: 1px solid var(--border-color);
  padding: 0.5rem 0.75rem;
  text-align: left;
}
.blog-post-content th { background: var(--bg-secondary); font-weight: 600; }

/* ── Author card (bottom of post) ── */
.blog-author-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.blog-author-card-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.blog-author-card-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

/* ── Author profile page ── */
.blog-author-profile {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}
.blog-author-profile-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.blog-author-profile-name {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0;
}
.blog-author-profile-bio {
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

/* ── Blog responsive ── */
@media (max-width: 768px) {
  .blog-post-title { font-size: 1.5rem; }
  .blog-author-profile { flex-direction: column; }
  .blog-author-card     { flex-direction: column; }
}