/* =============================================
   Article / Blog Post Styles
   ============================================= */

/* --- Breadcrumb --- */
.breadcrumb {
  margin-bottom: 20px;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.breadcrumb li {
  font-size: 13px;
  color: var(--text-3);
}

.breadcrumb a {
  color: var(--blue-500);
  text-decoration: none;
  font-weight: 500;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb [aria-current="page"] {
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 260px;
}

/* --- Article Hero --- */
.article-hero {
  padding: 120px 0 56px;
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.article-date {
  font-size: 14px;
  color: var(--text-2);
}

.article-read {
  font-size: 14px;
  color: var(--text-3);
}

.article-hero h1 {
  font-size: clamp(26px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 20px;
  max-width: 800px;
}

.article-lead {
  font-size: 19px;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 720px;
}

/* --- Article Body Layout --- */
.article-body {
  padding: 64px 0 96px;
}

.article-body .container {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 56px;
  align-items: start;
}

/* --- Article Content --- */
.article-content h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin: 48px 0 14px;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content p {
  font-size: 16px;
  color: #334155;
  line-height: 1.85;
  margin-bottom: 16px;
}

.article-content ul,
.article-content ol {
  margin: 8px 0 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

.article-content li {
  font-size: 16px;
  color: #334155;
  line-height: 1.75;
}

.article-content a {
  color: var(--blue-500);
  text-decoration: underline;
}

.article-content blockquote {
  border-left: 3px solid var(--blue-400);
  padding: 12px 20px;
  margin: 20px 0;
  background: var(--bg-light);
  border-radius: 0 8px 8px 0;
  font-style: italic;
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.7;
}

/* --- Tip Box --- */
.article-tip {
  display: flex;
  gap: 14px;
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  border-radius: 12px;
  padding: 18px 20px;
  margin: 24px 0;
  align-items: flex-start;
}

.tip-icon {
  font-size: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.article-tip p {
  font-size: 15px;
  color: var(--text);
  margin: 0;
  line-height: 1.65;
}

/* --- CTA Block inside article --- */
.article-cta {
  display: flex;
  align-items: center;
  gap: 20px;
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
  border: 1px solid #BFDBFE;
  border-radius: var(--radius);
  padding: 24px;
  margin: 40px 0;
  flex-wrap: wrap;
}

.article-cta img {
  border-radius: 14px;
  flex-shrink: 0;
}

.article-cta > div {
  flex: 1;
  min-width: 160px;
}

.article-cta strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.article-cta p {
  font-size: 14px;
  color: var(--text-2);
  margin: 0;
  line-height: 1.5;
}

/* --- Compare Table --- */
.compare-table {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin: 20px 0 28px;
  font-size: 15px;
}

.compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-bottom: 1px solid var(--border);
}

.compare-row:last-child {
  border-bottom: none;
}

.compare-header {
  background: var(--bg-light);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-2);
}

.compare-row > div {
  padding: 14px 16px;
  color: var(--text-2);
  border-right: 1px solid var(--border);
  line-height: 1.5;
}

.compare-row > div:last-child {
  border-right: none;
}

.compare-row > div:first-child {
  color: var(--text);
}

/* --- Workflow Steps --- */
.workflow-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 20px 0 28px;
}

.workflow-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.step-num {
  width: 36px;
  height: 36px;
  background: var(--blue-500);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.workflow-step > div {
  flex: 1;
}

.workflow-step strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.workflow-step p {
  font-size: 15px;
  color: var(--text-2);
  margin: 0;
  line-height: 1.7;
}

/* --- Article Back Link --- */
.article-nav-links {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

/* --- Sidebar --- */
.article-sidebar {
  position: sticky;
  top: 88px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-card {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.sidebar-card h3 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-2);
  margin-bottom: 16px;
}

.toc {
  display: flex;
  flex-direction: column;
  gap: 8px;
  list-style: decimal;
  padding-left: 18px;
}

.toc li {
  font-size: 14px;
  line-height: 1.4;
}

.toc a {
  color: var(--text-2);
  text-decoration: none;
  transition: color var(--transition);
}

.toc a:hover {
  color: var(--blue-500);
}

.sidebar-app {
  text-align: center;
}

.sidebar-app img {
  border-radius: 14px;
  margin: 0 auto 12px;
}

.sidebar-app h3 {
  font-size: 15px;
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text);
  margin-bottom: 6px;
}

.sidebar-app p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.5;
}

/* =============================================
   RESPONSIVE — TABLET (max 1024px)
   ============================================= */
@media (max-width: 1024px) {
  .article-body .container {
    grid-template-columns: 1fr 260px;
    gap: 40px;
  }
}

/* =============================================
   RESPONSIVE — MOBILE (max 768px)
   ============================================= */
@media (max-width: 768px) {
  .article-hero {
    padding: 100px 0 40px;
  }

  .article-lead {
    font-size: 17px;
  }

  .article-body {
    padding: 40px 0 72px;
  }

  .article-body .container {
    grid-template-columns: 1fr;
    gap: 0;
  }

  /* Move sidebar below content on mobile */
  .article-sidebar {
    position: static;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
  }

  .article-cta {
    flex-direction: column;
    text-align: center;
  }

  .article-cta img {
    margin: 0 auto;
  }

  .compare-table {
    font-size: 13px;
  }

  .compare-row > div {
    padding: 10px 12px;
  }

  .breadcrumb [aria-current="page"] {
    max-width: 160px;
  }
}

@media (max-width: 480px) {
  .compare-row {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .compare-row > div {
    padding: 8px 10px;
    font-size: 12px;
  }

  .article-content h2 {
    font-size: 20px;
  }
}