/**
 * Stafferin Blog Article Styles
 * Professional styling for all blog article pages
 */

/* ==================== CSS VARIABLES ==================== */
:root {
  --blog-primary: #5B9BD5;
  --blog-primary-dark: #4A8BC4;
  --blog-primary-light: #7BB3E0;
  --blog-secondary: #6ECFB8;
  --blog-dark: #4A5568;
  --blog-gray-50: #FAFBFD;
  --blog-gray-100: #F4F6F9;
  --blog-gray-200: #E8ECF1;
  --blog-gray-300: #D1D9E2;
  --blog-gray-400: #A0AEC0;
  --blog-gray-500: #718096;
  --blog-gray-600: #5A6778;
  --blog-white: #FFFFFF;
}

/* ==================== BLOG ARTICLE HERO ==================== */
.blog-article-hero {
  padding: 140px 0 60px;
  background: linear-gradient(135deg, #F8FBFF 0%, #EEF4FB 50%, #F5F9FF 100%);
  position: relative;
  overflow: hidden;
}

.blog-article-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.5;
}

.blog-article-hero::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(91, 155, 213, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

/* ==================== OVERRIDE MAIN CONTAINER STYLING ==================== */
main#main.container.my-5 {
  max-width: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
}

/* ==================== BLOG ARTICLE CARD OVERRIDE ==================== */
main#main article.card {
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  background: transparent !important;
}

/* Hero Header for Blog Articles */
main#main article.card > header.card-header {
  background: linear-gradient(135deg, #F8FBFF 0%, #EEF4FB 50%, #F5F9FF 100%) !important;
  padding: 140px 0 80px !important;
  position: relative;
  overflow: hidden;
  border: none !important;
  border-radius: 0 !important;
}

main#main article.card > header.card-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.5;
}

main#main article.card > header.card-header::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(91, 155, 213, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

main#main article.card > header.card-header h1 {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;
  font-size: 2.75rem !important;
  font-weight: 800 !important;
  color: #3D4852 !important;
  line-height: 1.2 !important;
  letter-spacing: -1px !important;
  margin: 0 !important;
  padding: 0 15px !important;
  max-width: 900px !important;
  margin-left: auto !important;
  margin-right: auto !important;
  text-align: center !important;
  position: relative;
  z-index: 1;
}

/* ==================== ARTICLE BODY CONTENT ==================== */
main#main article.card > section.card-body {
  background: var(--blog-white) !important;
  padding: 0 !important;
}

main#main article.card > section.card-body > .container {
  max-width: 800px !important;
  margin: 0 auto !important;
  padding: 4rem 2rem !important;
}

/* Lead Paragraph */
main#main article.card .lead {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;
  font-size: 1.25rem !important;
  font-weight: 400 !important;
  color: var(--blog-gray-600) !important;
  line-height: 1.8 !important;
  margin-bottom: 2.5rem !important;
  padding-bottom: 2rem !important;
  border-bottom: 1px solid var(--blog-gray-200) !important;
}

/* Headings */
main#main article.card h2 {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;
  font-size: 1.75rem !important;
  font-weight: 700 !important;
  color: var(--blog-dark) !important;
  margin-top: 2.5rem !important;
  margin-bottom: 1.25rem !important;
  line-height: 1.3 !important;
  position: relative;
  padding-left: 1rem !important;
}

main#main article.card h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.25rem;
  bottom: 0.25rem;
  width: 4px;
  background: linear-gradient(180deg, var(--blog-primary), var(--blog-secondary));
  border-radius: 2px;
}

main#main article.card h3 {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;
  font-size: 1.35rem !important;
  font-weight: 600 !important;
  color: var(--blog-dark) !important;
  margin-top: 2rem !important;
  margin-bottom: 1rem !important;
  line-height: 1.4 !important;
}

main#main article.card h4 {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;
  font-size: 1.15rem !important;
  font-weight: 600 !important;
  color: var(--blog-dark) !important;
  margin-top: 1.5rem !important;
  margin-bottom: 0.75rem !important;
}

/* Paragraphs */
main#main article.card p {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;
  font-size: 1.1rem !important;
  color: var(--blog-gray-600) !important;
  line-height: 1.8 !important;
  margin-bottom: 1.5rem !important;
}

/* Lists */
main#main article.card ul,
main#main article.card ol {
  margin-bottom: 1.5rem !important;
  padding-left: 0 !important;
  list-style: none !important;
}

main#main article.card ul li,
main#main article.card ol li {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;
  font-size: 1.05rem !important;
  color: var(--blog-gray-600) !important;
  line-height: 1.7 !important;
  margin-bottom: 1rem !important;
  padding-left: 2rem !important;
  position: relative;
}

main#main article.card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 8px;
  height: 8px;
  background: linear-gradient(135deg, var(--blog-primary), var(--blog-secondary));
  border-radius: 50%;
}

main#main article.card ol {
  counter-reset: item;
}

main#main article.card ol li::before {
  content: counter(item);
  counter-increment: item;
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--blog-primary), var(--blog-secondary));
  color: white;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

main#main article.card ol li {
  padding-left: 2.5rem !important;
}

/* Strong/Bold text */
main#main article.card strong {
  font-weight: 600 !important;
  color: var(--blog-dark) !important;
}

/* Links */
main#main article.card a {
  color: var(--blog-primary) !important;
  text-decoration: none !important;
  font-weight: 500 !important;
  transition: all 0.2s ease !important;
  border-bottom: 1px solid transparent !important;
}

main#main article.card a:hover {
  color: var(--blog-primary-dark) !important;
  border-bottom-color: var(--blog-primary) !important;
}

/* Blockquotes */
main#main article.card blockquote {
  margin: 2rem 0 !important;
  padding: 1.5rem 2rem !important;
  background: linear-gradient(135deg, rgba(91, 155, 213, 0.05), rgba(110, 207, 184, 0.05)) !important;
  border-left: 4px solid var(--blog-primary) !important;
  border-radius: 0 12px 12px 0 !important;
  font-style: italic !important;
}

main#main article.card blockquote p {
  font-size: 1.15rem !important;
  color: var(--blog-gray-600) !important;
  margin-bottom: 0 !important;
}

/* Code blocks */
main#main article.card code {
  background: var(--blog-gray-100) !important;
  padding: 0.2rem 0.5rem !important;
  border-radius: 4px !important;
  font-size: 0.9rem !important;
  color: var(--blog-primary-dark) !important;
}

main#main article.card pre {
  background: var(--blog-dark) !important;
  padding: 1.5rem !important;
  border-radius: 12px !important;
  overflow-x: auto !important;
  margin: 1.5rem 0 !important;
}

main#main article.card pre code {
  background: transparent !important;
  color: #E2E8F0 !important;
  padding: 0 !important;
}

/* Images */
main#main article.card img {
  max-width: 100% !important;
  height: auto !important;
  border-radius: 16px !important;
  margin: 2rem 0 !important;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1) !important;
}

/* Tables */
main#main article.card table {
  width: 100% !important;
  margin: 2rem 0 !important;
  border-collapse: collapse !important;
  border-radius: 12px !important;
  overflow: hidden !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important;
}

main#main article.card table th {
  background: var(--blog-dark) !important;
  color: white !important;
  padding: 1rem 1.25rem !important;
  text-align: left !important;
  font-weight: 600 !important;
  font-size: 0.9rem !important;
}

main#main article.card table td {
  padding: 1rem 1.25rem !important;
  border-bottom: 1px solid var(--blog-gray-200) !important;
  font-size: 0.95rem !important;
}

main#main article.card table tr:last-child td {
  border-bottom: none !important;
}

main#main article.card table tr:nth-child(even) {
  background: var(--blog-gray-50) !important;
}

/* ==================== ARTICLE FOOTER ==================== */
main#main article.card > footer.card-footer {
  background: var(--blog-gray-50) !important;
  border: none !important;
  border-radius: 0 !important;
  padding: 3rem 0 !important;
}

main#main article.card > footer.card-footer > p {
  text-align: center !important;
  font-size: 1.1rem !important;
  font-weight: 600 !important;
  color: var(--blog-dark) !important;
  margin-bottom: 1.5rem !important;
}

main#main article.card > footer.card-footer .social-links {
  display: flex !important;
  justify-content: center !important;
  gap: 1rem !important;
  flex-wrap: wrap !important;
}

main#main article.card > footer.card-footer .social-links a {
  width: 50px !important;
  height: 50px !important;
  border-radius: 14px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 1.25rem !important;
  transition: all 0.3s ease !important;
  border: none !important;
  text-decoration: none !important;
}

main#main article.card > footer.card-footer .social-links a.twitter {
  background: linear-gradient(135deg, #1DA1F2, #0C85D0) !important;
  color: white !important;
}

main#main article.card > footer.card-footer .social-links a.facebook {
  background: linear-gradient(135deg, #1877F2, #0C5DC7) !important;
  color: white !important;
}

main#main article.card > footer.card-footer .social-links a.instagram {
  background: linear-gradient(135deg, #E4405F, #C13584, #833AB4) !important;
  color: white !important;
}

main#main article.card > footer.card-footer .social-links a.linkedin {
  background: linear-gradient(135deg, #0A66C2, #004182) !important;
  color: white !important;
}

main#main article.card > footer.card-footer .social-links a.whatsapp {
  background: linear-gradient(135deg, #25D366, #128C7E) !important;
  color: white !important;
}

main#main article.card > footer.card-footer .social-links a:hover {
  transform: translateY(-4px) !important;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2) !important;
}

/* ==================== BACK TO BLOG LINK ==================== */
.back-to-blog {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 2rem;
  transition: all 0.2s ease;
  position: relative;
  z-index: 1;
}

.back-to-blog:hover {
  color: white;
}

.back-to-blog i {
  transition: transform 0.2s ease;
}

.back-to-blog:hover i {
  transform: translateX(-4px);
}

/* ==================== ARTICLE META INFO ==================== */
.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 2rem;
  position: relative;
  z-index: 1;
}

.article-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.article-meta-item i {
  font-size: 1rem;
  color: var(--blog-primary-light);
}

/* ==================== RELATED ARTICLES ==================== */
.related-articles {
  padding: 5rem 0;
  background: var(--blog-white);
}

.related-articles-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--blog-dark);
  text-align: center;
  margin-bottom: 3rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.related-card {
  background: var(--blog-white);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--blog-gray-200);
  transition: all 0.3s ease;
  text-decoration: none;
}

.related-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: transparent;
}

.related-card-image {
  height: 180px;
  background: linear-gradient(135deg, var(--blog-primary), var(--blog-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
}

.related-card-image i {
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.3);
}

.related-card-body {
  padding: 1.5rem;
}

.related-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--blog-dark);
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

.related-card-meta {
  font-size: 0.85rem;
  color: var(--blog-gray-500);
}

/* ==================== CTA SECTION ==================== */
.blog-cta {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--blog-primary), var(--blog-primary-dark));
  text-align: center;
}

.blog-cta-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: white;
  margin-bottom: 1rem;
}

.blog-cta-text {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.blog-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: white;
  color: var(--blog-primary);
  padding: 1rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s ease;
}

.blog-cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  color: var(--blog-primary-dark);
}

/* ==================== READING PROGRESS BAR ==================== */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 4px;
  background: linear-gradient(90deg, var(--blog-primary), var(--blog-secondary));
  z-index: 9999;
  transition: width 0.1s ease;
}

/* ==================== RESPONSIVE STYLES ==================== */
@media (max-width: 992px) {
  main#main article.card > header.card-header {
    padding: 120px 0 60px !important;
  }

  main#main article.card > header.card-header h1 {
    font-size: 2.25rem !important;
    padding: 0 20px !important;
  }

  main#main article.card > section.card-body > .container {
    padding: 3rem 1.5rem !important;
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  main#main article.card > header.card-header {
    padding: 100px 0 50px !important;
  }

  main#main article.card > header.card-header h1 {
    font-size: 1.85rem !important;
    line-height: 1.3 !important;
  }

  main#main article.card h2 {
    font-size: 1.5rem !important;
  }

  main#main article.card p,
  main#main article.card ul li,
  main#main article.card ol li {
    font-size: 1rem !important;
  }

  .article-meta {
    gap: 1rem;
  }

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

@media (max-width: 576px) {
  main#main article.card > header.card-header h1 {
    font-size: 1.5rem !important;
  }

  main#main article.card > section.card-body > .container {
    padding: 2rem 1rem !important;
  }

  main#main article.card .lead {
    font-size: 1.1rem !important;
  }

  .article-meta {
    flex-direction: column;
    gap: 0.75rem;
  }
}

/* ==================== PRINT STYLES ==================== */
@media print {
  main#main article.card > header.card-header {
    background: white !important;
    padding: 2rem 0 !important;
  }

  main#main article.card > header.card-header h1 {
    color: black !important;
  }

  main#main article.card > footer.card-footer {
    display: none !important;
  }
}