.blog-article-page {
  background: #ffffff;
  color: #1e293b;
}

.article-header {
  background: var(--dark-bg);
  padding: 108px 24px 58px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.article-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.016) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.016) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.article-header::after {
  content: "";
  position: absolute;
  top: -70px;
  left: -90px;
  width: 620px;
  height: 420px;
  background: radial-gradient(ellipse, rgba(19, 99, 198, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.article-header-inner {
  max-width: 860px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(240, 244, 255, 0.35);
  margin-bottom: 20px;
}

.article-breadcrumb a {
  color: rgba(240, 244, 255, 0.45);
  text-decoration: none;
}

.article-breadcrumb a:hover {
  color: rgba(240, 244, 255, 0.72);
}

.article-breadcrumb-sep {
  color: rgba(255, 255, 255, 0.2);
}

.article-category {
  display: inline-flex;
  align-items: center;
  background: rgba(19, 99, 198, 0.1);
  border: 1px solid rgba(19, 99, 198, 0.32);
  border-radius: 999px;
  padding: 5px 12px;
  margin-bottom: 16px;
  color: #7ab3f5;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.article-category:visited,
.article-category:hover,
.article-category:focus {
  color: #7ab3f5;
  text-decoration: none;
}

.article-title {
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.04em;
  font-weight: 820;
  color: #f0f4ff;
  margin: 0 0 16px;
}

.article-deck {
  margin: 0 0 24px;
  max-width: 720px;
  font-size: 18px;
  line-height: 1.65;
  color: rgba(240, 244, 255, 0.56);
}

.article-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.article-author {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.author-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1363c6 0%, #2d7de0 100%);
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.author-name {
  font-size: 13px;
  font-weight: 600;
  color: rgba(240, 244, 255, 0.76);
}

.article-meta-item,
.meta-sep {
  font-size: 13px;
  color: rgba(240, 244, 255, 0.38);
}

.article-header-actions {
  margin-top: 22px;
}

.article-hero-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--blue);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  border-radius: 10px;
  text-decoration: none;
  padding: 10px 18px;
  font-weight: 650;
  font-size: 15px;
}

.article-hero-cta:hover {
  background: var(--blue-light);
  color: #ffffff;
}

.content-layout {
  max-width: 1140px;
  margin: 0 auto;
  padding: 44px 24px 110px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 265px;
  gap: 54px;
  align-items: start;
}

.article-body {
  min-width: 0;
}

.prose article > section {
  margin-bottom: 52px;
}

.prose p {
  font-size: 16px;
  line-height: 1.8;
  color: #1f2f4f;
  margin-bottom: 18px;
}

.prose .lead {
  color: #24385d;
  font-size: 18px;
  line-height: 1.78;
  margin-bottom: 28px;
}

.prose h2,
.prose h3,
.prose h4,
.prose h5 {
  color: #102444;
  letter-spacing: -0.02em;
}

.prose h2 {
  scroll-margin-top: 92px;
  font-size: clamp(28px, 3.2vw, 36px);
  line-height: 1.2;
  margin-bottom: 14px;
}

.prose h3 {
  font-size: 25px;
  line-height: 1.28;
}

.prose h4 {
  font-size: 21px;
  margin-top: 28px;
  margin-bottom: 10px;
}

.prose h5 {
  font-size: 18px;
}

.prose a {
  color: #0e57b1;
  text-decoration: none;
  border-bottom: 1px solid rgba(19, 99, 198, 0.3);
}

.prose a:hover {
  color: #1363c6;
  border-bottom-color: rgba(19, 99, 198, 0.55);
}

.prose ul,
.prose ol {
  margin-bottom: 20px;
  padding-left: 20px;
}

.prose li {
  color: #2a3b5f;
  margin: 7px 0;
  line-height: 1.7;
}

.prose .alert {
  border-radius: 14px;
  border: 1px solid #dbe5f2;
  background: #f7fbff;
  color: #29446f;
  padding: 18px 20px;
}

.prose .alert-success {
  border-color: rgba(15, 155, 119, 0.28);
  background: rgba(15, 155, 119, 0.08);
}

.prose .alert-info {
  border-color: rgba(19, 99, 198, 0.24);
  background: rgba(19, 99, 198, 0.08);
}

.prose .alert-primary {
  border-color: rgba(19, 99, 198, 0.3);
  background: rgba(19, 99, 198, 0.1);
}

.prose .alert-heading {
  margin-bottom: 8px;
  font-size: 21px;
  color: #102444;
}

.prose .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  padding: 9px 16px;
}

.prose .btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.prose .btn-primary {
  color: #ffffff;
  background: #1363c6;
  border-color: rgba(255, 255, 255, 0.18);
}

.prose .btn-primary:hover {
  color: #ffffff;
  background: #2d7de0;
}

.prose .table-responsive {
  border: 1px solid #dbe5f2;
  border-radius: 14px;
  overflow: auto;
  background: #ffffff;
  margin-bottom: 12px;
}

.prose .table {
  width: 100%;
  margin-bottom: 0;
  border-collapse: collapse;
}

.prose .table th,
.prose .table td {
  border: 1px solid #dbe5f2;
  padding: 10px 12px;
  color: #233a61;
  font-size: 14px;
}

.prose .table-dark th {
  background: #102444;
  color: #f0f4ff;
}

.prose .table-success td {
  background: rgba(15, 155, 119, 0.08);
}

.prose .text-muted {
  color: #7488ab !important;
}

.prose .card {
  border: 1px solid #dbe5f2;
  border-radius: 14px;
  background: #ffffff;
  box-shadow: 0 8px 28px rgba(16, 36, 68, 0.06);
}

.prose .card-header {
  padding: 12px 20px;
  border-bottom: 1px solid rgba(19, 99, 198, 0.15);
  border-radius: 14px 14px 0 0 !important;
  background: linear-gradient(135deg, #1363c6 0%, #0f4fa0 100%);
}

.prose .card-header h4,
.prose .card-header h5,
.prose .card-header h6 {
  color: #ffffff !important;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin: 0;
}

.prose .card-header.bg-success {
  background: linear-gradient(135deg, #0f9b77 0%, #0a7a5e 100%) !important;
}

.prose .card-header.bg-warning {
  background: linear-gradient(135deg, #e07b00 0%, #b86200 100%) !important;
}

.prose .card-header.bg-danger {
  background: linear-gradient(135deg, #c0392b 0%, #96281b 100%) !important;
}

.prose .card-body {
  padding: 20px;
}

.prose .border-primary {
  border-color: rgba(19, 99, 198, 0.45) !important;
}

.prose .border-success {
  border-color: rgba(15, 155, 119, 0.35) !important;
}

.prose .border-danger {
  border-color: rgba(212, 70, 70, 0.36) !important;
}

.prose .text-success {
  color: #0f9b77 !important;
}

.prose .text-danger {
  color: #c33b45 !important;
}

.prose .accordion-item {
  border: 1px solid #dbe5f2;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 10px;
}

.prose .accordion-header {
  margin: 0;
}

.prose .accordion-button {
  width: 100%;
  border: 0;
  background: #f8fbff;
  padding: 14px 16px;
  text-align: left;
  font-weight: 620;
  color: #102444;
}

.prose .accordion-button:not(.collapsed) {
  background: rgba(19, 99, 198, 0.08);
}

.prose .accordion-button:focus {
  box-shadow: none;
}

.prose .accordion-collapse {
  border-top: 1px solid #dbe5f2;
}

.prose .accordion-body {
  background: #ffffff;
  color: #2b3f66;
}

.article-sidebar {
  position: sticky;
  top: 84px;
}

.sidebar-cta,
.sidebar-block {
  border: 1px solid #dbe5f2;
  border-radius: 14px;
  background: #ffffff;
  padding: 16px;
}

.sidebar-cta {
  margin-bottom: 14px;
  background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

.sidebar-cta-score {
  font-size: 30px;
  font-weight: 800;
  color: #1363c6;
  line-height: 1;
}

.sidebar-cta-score span {
  font-size: 14px;
}

.sidebar-cta-label {
  font-size: 12px;
  color: #6d81a4;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 4px 0 10px;
}

.sidebar-cta-headline {
  font-size: 18px;
  font-weight: 700;
  color: #102444;
  margin-bottom: 8px;
}

.sidebar-cta-sub {
  font-size: 14px;
  line-height: 1.55;
  color: #32496f;
  margin-bottom: 14px;
}

.btn-sidebar-cta {
  display: inline-flex;
  width: 100%;
  justify-content: center;
  align-items: center;
  border-radius: 10px;
  padding: 10px 12px;
  background: #1363c6;
  color: #ffffff;
  text-decoration: none;
  font-weight: 650;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.btn-sidebar-cta:hover {
  background: #2d7de0;
  color: #ffffff;
}

.sidebar-block + .sidebar-block {
  margin-top: 14px;
}

.sidebar-block-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #6d81a4;
  font-weight: 700;
  margin-bottom: 10px;
}

.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc-item a {
  display: block;
  padding: 7px 10px;
  border-radius: 8px;
  text-decoration: none;
  color: #45618f;
  font-size: 13px;
  line-height: 1.35;
}

.toc-item a:hover {
  background: rgba(19, 99, 198, 0.08);
  color: #114c9d;
}

.toc-item.active a {
  background: rgba(19, 99, 198, 0.12);
  color: #0f4b9b;
  font-weight: 600;
}

.share-buttons {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.share-btn {
  width: 100%;
  border: 1px solid #dbe5f2;
  background: #f8fbff;
  color: #24416c;
  text-decoration: none;
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
  font-weight: 550;
  text-align: center;
}

button.share-btn {
  cursor: pointer;
}

.share-btn:hover {
  border-color: rgba(19, 99, 198, 0.35);
  color: #114c9d;
}

.blog-article-page i.fa {
  font-style: normal;
}

.blog-article-page i.fa::before {
  display: inline-flex;
  margin-right: 6px;
}

.blog-article-page .fa-trophy::before { content: "🏆"; }
.blog-article-page .fa-lightbulb::before { content: "💡"; }
.blog-article-page .fa-rocket::before { content: "🚀"; }
.blog-article-page .fa-check-circle::before { content: "✓"; }
.blog-article-page .fa-times-circle::before { content: "✕"; }
.blog-article-page .fa-arrow-right::before { content: "→"; }

.blog-article-page .related-articles {
  border-top-color: #dbe5f2 !important;
}

@media (max-width: 1080px) {
  .content-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (max-width: 860px) {
  .article-header {
    padding: 102px 18px 52px;
  }

  .content-layout {
    padding: 32px 18px 92px;
  }

  .article-sidebar {
    grid-template-columns: minmax(0, 1fr);
  }

  .prose p,
  .prose li {
    font-size: 15px;
  }
}