/* ==========================================================================
   SchoolX Technologies - Universal Blog Stylesheet (blog.css)
   Allows writing rich, SEO-friendly blogs without writing custom CSS!
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design System & CSS Variables
   -------------------------------------------------------------------------- */
:root {
  --blog-primary: #1e3a8a;
  --blog-primary-hover: #172554;
  --blog-secondary: #2563eb;
  --blog-accent: #0284c7;
  --blog-text-dark: #0f172a;
  --blog-text-body: #334155;
  --blog-text-muted: #64748b;
  --blog-bg-light: #f8fafc;
  --blog-bg-card: #ffffff;
  --blog-border: #e2e8f0;
  --blog-border-focus: #93c5fd;
  --blog-radius-sm: 6px;
  --blog-radius-md: 10px;
  --blog-radius-lg: 16px;
  --blog-shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --blog-shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --blog-shadow-lg: 0 10px 25px rgba(30,58,138,0.12);
  --blog-font-heading: 'Ubuntu', sans-serif;
  --blog-font-body: 'DM Sans', sans-serif;
}

/* Reading Progress Bar at top */
#blog-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, #2563eb 0%, #0284c7 100%);
  width: 0%;
  z-index: 9999;
  transition: width 0.1s ease-out;
}

/* --------------------------------------------------------------------------
   2. Core Typography & Auto Spacing (inside .blog-details-wrapper or .blog-content)
   -------------------------------------------------------------------------- */
.blog-details-wrapper,
.blog-content {
  font-family: var(--blog-font-body);
  color: var(--blog-text-body);
  font-size: 1.05rem;
  line-height: 1.85;
}

/* Automatic Scroll-Margin for Sticky Headers when using TOC anchor links */
.blog-details-wrapper h1,
.blog-details-wrapper h2,
.blog-details-wrapper h3,
.blog-details-wrapper h4,
.blog-details-wrapper h5,
.blog-details-wrapper h6,
.blog-content h1,
.blog-content h2,
.blog-content h3,
.blog-content h4,
.blog-content h5,
.blog-content h6 {
  font-family: var(--blog-font-heading);
  color: var(--blog-text-dark);
  font-weight: 700;
  scroll-margin-top: 110px;
  letter-spacing: -0.01em;
}

.blog-details-wrapper h2,
.blog-content h2 {
  font-size: 1.75rem;
  margin-top: 2.5rem;
  margin-bottom: 1.2rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.blog-details-wrapper h2::after,
.blog-content h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 50px;
  height: 3px;
  background: var(--blog-secondary);
  border-radius: 2px;
}

.blog-details-wrapper h3,
.blog-content h3 {
  font-size: 1.4rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.blog-details-wrapper h4,
.blog-content h4 {
  font-size: 1.2rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.blog-details-wrapper p,
.blog-content p {
  margin-bottom: 1.25rem;
}

/* Lists inside blog content — restore bullets & numbers */
.blog-details-wrapper .post-content > ul,
.blog-details-wrapper .post-content > ol,
.blog-content > ul,
.blog-content > ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.blog-details-wrapper .post-content > ul {
  list-style-type: disc;
}

.blog-details-wrapper .post-content > ol {
  list-style-type: decimal;
}

.blog-details-wrapper .post-content > ul li,
.blog-details-wrapper .post-content > ol li,
.blog-content > ul li,
.blog-content > ol li {
  margin-bottom: 0.5rem;
  padding-left: 0.25rem;
  line-height: 1.75;
}

.blog-details-wrapper p strong,
.blog-content p strong {
  color: var(--blog-text-dark);
}

.blog-details-wrapper a:not(.main-btn):not(.btn):not(.blog-cta-btn),
.blog-content a:not(.main-btn):not(.btn):not(.blog-cta-btn) {
  color: inherit;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  transition: all 0.2s ease-in-out;
}

.blog-details-wrapper a:not(.main-btn):not(.btn):not(.blog-cta-btn):hover,
.blog-content a:not(.main-btn):not(.btn):not(.blog-cta-btn):hover {
  color: var(--blog-text-dark);
  text-decoration-color: var(--blog-text-dark);
}

/* Lead Paragraph (Intro Hook) */
.blog-lead {
  font-size: 1.2rem;
  line-height: 1.85;
  color: var(--blog-text-dark);
  font-weight: 500;
  margin-bottom: 1.75rem;
}

/* Reading Time & Meta Badges */
.blog-meta-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.blog-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  background-color: var(--blog-bg-light);
  border: 1px solid var(--blog-border);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--blog-text-muted);
}

.blog-badge i {
  color: var(--blog-secondary);
}

/* --------------------------------------------------------------------------
   3. Key Takeaways Box (SEO Summary Magnet for AI Overviews)
   -------------------------------------------------------------------------- */
.blog-takeaways,
.seo-key-takeaways {
  background: linear-gradient(135deg, #f0f7ff 0%, #e0f2fe 100%);
  border: 1px solid #bae6fd;
  border-left: 5px solid var(--blog-primary);
  border-radius: var(--blog-radius-md);
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
  box-shadow: var(--blog-shadow-sm);
}

.blog-takeaways-title {
  color: var(--blog-primary);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.blog-takeaways-title i {
  color: #f59e0b;
  font-size: 1.25rem;
}

.blog-takeaways ul {
  margin: 0;
  padding-left: 1.25rem;
}

.blog-takeaways ul li {
  margin-bottom: 0.6rem;
  color: var(--blog-text-dark);
}

.blog-takeaways ul li:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   4. Table of Contents (TOC Box)
   -------------------------------------------------------------------------- */
.blog-toc {
  background-color: var(--blog-bg-light);
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius-md);
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
}

.blog-toc-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--blog-text-dark);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.blog-toc ol,
.blog-toc ul {
  margin: 0;
  padding-left: 1.25rem;
}

.blog-toc li {
  margin-bottom: 0.5rem;
}

.blog-toc li a {
  color: var(--blog-text-body);
  text-decoration: none;
  font-size: 0.98rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

/* --------------------------------------------------------------------------
   5. Module Cards (For Top 30 / Top 10 Listicle Styling)
   -------------------------------------------------------------------------- */
.blog-module-card {
  background: #ffffff;
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
  transition: all 0.25s ease;
  position: relative;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.blog-module-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--blog-shadow-md);
  border-color: var(--blog-border-focus);
}

.blog-module-number {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--blog-primary) 0%, var(--blog-secondary) 100%);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.2);
}

.blog-module-body {
  flex-grow: 1;
}

.blog-module-body h5 {
  font-size: 1.15rem;
  margin-top: 0 !important;
  margin-bottom: 0.4rem !important;
  color: var(--blog-text-dark);
}

.blog-module-body p {
  margin-bottom: 0;
  font-size: 0.98rem;
  color: var(--blog-text-body);
}

/* --------------------------------------------------------------------------
   6. Highlight Callouts & Alerts (Tips, Notes, Warnings)
   -------------------------------------------------------------------------- */
.blog-callout {
  padding: 1.25rem 1.5rem;
  border-radius: var(--blog-radius-md);
  margin: 1.75rem 0;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.blog-callout-icon {
  font-size: 1.35rem;
  line-height: 1;
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.blog-callout-content {
  flex-grow: 1;
}

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

/* Info Callout */
.blog-callout-info {
  background-color: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e40af;
}

.blog-callout-info .blog-callout-icon {
  color: #2563eb;
}

/* Tip / Success Callout */
.blog-callout-tip {
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
}

.blog-callout-tip .blog-callout-icon {
  color: #16a34a;
}

/* Warning Callout */
.blog-callout-warning {
  background-color: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
}

.blog-callout-warning .blog-callout-icon {
  color: #d97706;
}

/* Blockquote Style Override */
.blog-details-wrapper blockquote,
.blog-content blockquote,
.blog-quote {
  background: #f8fafc;
  border-left: 5px solid var(--blog-primary);
  border-radius: 0 var(--blog-radius-md) var(--blog-radius-md) 0;
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
  position: relative;
}

.blog-quote-text {
  font-size: 1.15rem;
  font-style: italic;
  color: var(--blog-text-dark);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.blog-quote-author {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--blog-primary);
  font-style: normal;
}

/* --------------------------------------------------------------------------
   7. Lead Magnet / In-Article CTA Banner
   -------------------------------------------------------------------------- */
.blog-cta-banner {
  background: linear-gradient(135deg, var(--blog-primary) 0%, #2563eb 100%);
  border-radius: var(--blog-radius-lg);
  padding: 2.5rem 2rem;
  margin: 2.5rem 0;
  text-align: center;
  color: #ffffff;
  box-shadow: var(--blog-shadow-lg);
  position: relative;
  overflow: hidden;
}

.blog-cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  pointer-events: none;
}

.blog-cta-banner h3 {
  color: #ffffff !important;
  font-size: 1.65rem;
  margin-top: 0 !important;
  margin-bottom: 0.75rem !important;
}

.blog-cta-banner h3::after {
  display: none !important;
}

.blog-cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 1.5rem auto;
}

.blog-cta-btn {
  display: inline-block;
  background-color: #ffffff;
  color: var(--blog-primary) !important;
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  text-decoration: none !important;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
}

.blog-cta-btn:hover {
  background-color: #f8fafc;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* --------------------------------------------------------------------------
   8. Feature Highlight Cards & Grids
   -------------------------------------------------------------------------- */
.blog-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin: 1.75rem 0;
}

.blog-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 1.75rem 0;
}

.blog-feature-card {
  background-color: #ffffff;
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius-md);
  padding: 1.25rem 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.blog-feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--blog-shadow-md);
  border-color: var(--blog-border-focus);
}

.blog-feature-card h5 {
  font-size: 1.1rem;
  color: var(--blog-primary);
  margin-top: 0 !important;
  margin-bottom: 0.5rem !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.blog-feature-card p {
  font-size: 0.95rem;
  color: var(--blog-text-body);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   9. FAQ Accordions
   -------------------------------------------------------------------------- */
.blog-faq-area {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--blog-border);
}

.blog-faq-item {
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
  background-color: #ffffff;
  transition: border-color 0.2s ease;
}

.blog-faq-item:hover {
  border-color: var(--blog-border-focus);
}

.blog-faq-item .accordion-button {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--blog-text-dark);
  background-color: var(--blog-bg-light);
  padding: 1.1rem 1.35rem;
  box-shadow: none !important;
}

.blog-faq-item .accordion-button:not(.collapsed) {
  color: var(--blog-primary);
  background-color: #eff6ff;
}

.blog-faq-item .accordion-body {
  padding: 1.25rem 1.35rem;
  color: var(--blog-text-body);
  line-height: 1.75;
  font-size: 0.98rem;
}

/* --------------------------------------------------------------------------
   10. Author Bio Box & E-E-A-T Signals
   -------------------------------------------------------------------------- */
.blog-author-box {
  background: var(--blog-bg-light);
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius-md);
  padding: 1.5rem;
  margin: 3rem 0 2rem 0;
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.blog-author-avatar {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--blog-secondary);
}

.blog-author-info h5 {
  font-size: 1.1rem;
  margin-top: 0 !important;
  margin-bottom: 0.25rem !important;
  color: var(--blog-text-dark);
}

.blog-author-info span {
  font-size: 0.85rem;
  color: var(--blog-secondary);
  font-weight: 600;
  display: block;
  margin-bottom: 0.5rem;
}

.blog-author-info p {
  font-size: 0.92rem;
  margin-bottom: 0;
  color: var(--blog-text-muted);
}

/* --------------------------------------------------------------------------
   11. Responsive Overrides (Mobile Optimization)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .blog-details-wrapper h2,
  .blog-content h2 {
    font-size: 1.45rem;
  }

  .blog-details-wrapper h3,
  .blog-content h3 {
    font-size: 1.25rem;
  }

  .blog-module-card {
    padding: 1rem;
    gap: 0.85rem;
  }

  .blog-module-number {
    width: 34px;
    height: 34px;
    font-size: 0.95rem;
  }

  .blog-cta-banner {
    padding: 2rem 1.25rem;
  }

  .blog-cta-banner h3 {
    font-size: 1.35rem !important;
  }

  .blog-takeaways,
  .seo-key-takeaways {
    padding: 1.25rem;
  }

  .blog-author-box {
    flex-direction: column;
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   12. Sidebar Contact Form Widget
   -------------------------------------------------------------------------- */
.sidebar-contact-widget {
  background: #ffffff;
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius-md);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--blog-shadow-sm);
}

.sidebar-contact-widget .widget-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--blog-text-dark);
  margin-bottom: 0.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.sidebar-contact-widget .widget-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 35px;
  height: 3px;
  background: var(--blog-primary);
  border-radius: 2px;
}

.sidebar-contact-widget p {
  font-size: 0.88rem;
  color: var(--blog-text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.sidebar-contact-widget .form-group {
  margin-bottom: 0.85rem;
}

.sidebar-contact-widget .form_control {
  width: 100%;
  padding: 0.65rem 0.9rem;
  font-size: 0.9rem;
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius-sm);
  background-color: #f8fafc;
  color: var(--blog-text-dark);
  transition: all 0.2s ease;
}

.sidebar-contact-widget .form_control:focus {
  outline: none;
  background-color: #ffffff;
  border-color: var(--blog-primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.sidebar-contact-widget button.theme-btn {
  width: 100%;
  padding: 0.75rem 1.2rem;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  background: var(--blog-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--blog-radius-sm);
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
}

.sidebar-contact-widget button.theme-btn:hover {
  background: var(--blog-primary-hover);
  transform: translateY(-1px);
}