/**
 * Motorwise Static Article + Legal Content Styles
 *
 * Provides styling for the markup used by individual /articles/content/**
 * pages and /legal/** pages (TOC, sections, FAQ, scroll-reveal, CTA, etc.).
 *
 * Split out from articles.css so the index-page tile/sidepane CSS can stay
 * lean. Include via:
 *   <link rel="stylesheet" href="/articles/styles/article-content.css">
 */

/* ============================================================================
   Design Tokens
   ============================================================================ */
:root {
  --color-blue-bg: linear-gradient(to bottom right, #eff6ff, rgba(219, 234, 254, 0.5));
  --color-blue-text: #2563eb;
  --color-blue-border: rgba(191, 219, 254, 0.5);

  --color-emerald-bg: #ecfdf5;
  --color-emerald-text: #059669;
  --color-emerald-border: rgba(167, 243, 208, 0.5);

  --color-amber-bg: #fffbeb;
  --color-amber-text: #d97706;
  --color-amber-border: rgba(253, 230, 138, 0.5);

  --color-red-bg: #fef2f2;
  --color-red-text: #dc2626;
  --color-red-border: rgba(254, 202, 202, 0.5);

  --color-neutral-bg: #f5f5f5;
  --color-neutral-text: #525252;
  --color-neutral-border: rgba(212, 212, 212, 0.5);

  --timing-section-reveal: 150ms;
  --timing-expand-collapse: 200ms;
  --timing-hover: 200ms;

  --ease-accordion: cubic-bezier(0.32, 0.72, 0, 1);
  --ease-micro: cubic-bezier(0.2, 0, 0, 1);

  --toc-width: 280px;
  --header-offset: 80px;
  --content-gap: 2rem;
}

/* ============================================================================
   Article Prose
   ============================================================================ */
.article-prose {
  color: #525252;
  line-height: 1.75;
}

.article-prose p { margin-bottom: 1.25rem; }
.article-prose p:last-child { margin-bottom: 0; }

.article-prose strong {
  color: #171717;
  font-weight: 600;
}

.article-prose a {
  color: #2563eb;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-prose a:hover { color: #1d4ed8; }

.article-prose ul,
.article-prose ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.article-prose ul { list-style-type: disc; }
.article-prose ol { list-style-type: decimal; }

.article-prose li {
  margin-bottom: 0.5rem;
  color: #525252;
}

.article-prose li:last-child { margin-bottom: 0; }
.article-prose li strong { color: #171717; }

/* ============================================================================
   Section Cards
   ============================================================================ */
.article-section {
  background-color: white;
  border-radius: 1rem;
  border: 1px solid rgba(245, 245, 245, 0.8);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: all 0.3s ease-out;
}

.article-section:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

@media (min-width: 640px) {
  .article-section { padding: 2rem; }
}

.article-section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.article-section-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: linear-gradient(to bottom right, #eff6ff, rgba(219, 234, 254, 0.5));
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease;
}

.article-section:hover .article-section-icon { transform: scale(1.05); }

.article-section-icon i {
  font-size: 1.25rem;
  color: #2563eb;
}

.article-section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #171717;
}

@media (min-width: 640px) {
  .article-section-title { font-size: 1.5rem; }
}

/* ============================================================================
   Enhanced Section Headers (numbered + themed icon)
   ============================================================================ */
.article-section-header-enhanced {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

@media (min-width: 640px) {
  .article-section-header-enhanced { gap: 1rem; }
}

.article-section-number {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  background-color: #f5f5f5;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: #525252;
  font-variant-numeric: tabular-nums;
}

@media (min-width: 640px) {
  .article-section-number {
    width: 2.25rem;
    height: 2.25rem;
  }
}

.article-section-anchor {
  flex-shrink: 0;
  opacity: 0;
  padding: 0.375rem;
  border-radius: 0.375rem;
  color: #a3a3a3;
  transition: all var(--timing-hover);
  margin-left: auto;
}

.article-section:hover .article-section-anchor { opacity: 1; }

.article-section-anchor:hover {
  color: #2563eb;
  background: linear-gradient(to bottom right, #eff6ff, rgba(219, 234, 254, 0.5));
}

/* Section icon themes */
.article-section-icon.theme-blue { background: var(--color-blue-bg); }
.article-section-icon.theme-blue i { color: var(--color-blue-text); }
.article-section-icon.theme-emerald { background: var(--color-emerald-bg); }
.article-section-icon.theme-emerald i { color: var(--color-emerald-text); }
.article-section-icon.theme-amber { background: var(--color-amber-bg); }
.article-section-icon.theme-amber i { color: var(--color-amber-text); }
.article-section-icon.theme-red { background: var(--color-red-bg); }
.article-section-icon.theme-red i { color: var(--color-red-text); }
.article-section-icon.theme-neutral { background: var(--color-neutral-bg); }
.article-section-icon.theme-neutral i { color: var(--color-neutral-text); }

/* ============================================================================
   Callout Boxes (.callout.tip / .warning / .info / .danger)
   ============================================================================ */
.callout {
  border-radius: 0.75rem;
  padding: 1.25rem;
  margin: 1.5rem 0;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  transition: all 0.3s ease;
}

.callout:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
}

.callout-icon {
  flex-shrink: 0;
  font-size: 1.25rem;
  margin-top: 0.125rem;
}

.callout-content { flex: 1; }

.callout-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.callout-text {
  font-size: 0.875rem;
  line-height: 1.5;
}

.callout.tip { background-color: #ecfdf5; border: 1px solid rgba(209, 250, 229, 0.8); }
.callout.tip .callout-icon { color: #059669; }
.callout.tip .callout-title { color: #065f46; }
.callout.tip .callout-text { color: #047857; }

.callout.warning { background-color: #fffbeb; border: 1px solid rgba(254, 243, 199, 0.8); }
.callout.warning .callout-icon { color: #d97706; }
.callout.warning .callout-title { color: #92400e; }
.callout.warning .callout-text { color: #b45309; }

.callout.info { background-color: #eff6ff; border: 1px solid rgba(219, 234, 254, 0.8); }
.callout.info .callout-icon { color: #2563eb; }
.callout.info .callout-title { color: #1e40af; }
.callout.info .callout-text { color: #1d4ed8; }

.callout.danger { background-color: #fef2f2; border: 1px solid rgba(254, 226, 226, 0.8); }
.callout.danger .callout-icon { color: #dc2626; }
.callout.danger .callout-title { color: #991b1b; }
.callout.danger .callout-text { color: #b91c1c; }

/* ============================================================================
   Template / Code Boxes
   ============================================================================ */
.template-box {
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  overflow: hidden;
  margin: 1.5rem 0;
}

.template-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background-color: #f1f5f9;
  border-bottom: 1px solid #e2e8f0;
}

.template-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #334155;
}

.template-title i { color: #2563eb; }

.template-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: #525252;
  background-color: white;
  border: 1px solid #d4d4d4;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.template-copy-btn:hover {
  border-color: #2563eb;
  color: #2563eb;
}

.template-copy-btn.copied {
  background-color: #ecfdf5;
  border-color: #a7f3d0;
  color: #059669;
}

.template-content {
  padding: 1rem;
  font-size: 0.875rem;
  color: #334155;
  white-space: pre-wrap;
  line-height: 1.6;
  max-height: 20rem;
  overflow-y: auto;
}

/* ============================================================================
   Data Badges + Pass-Rate Tier Indicators
   ============================================================================ */
.data-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.pass-rate-excellent { color: #059669; background: #d1fae5; }
.pass-rate-good      { color: #16a34a; background: #dcfce7; }
.pass-rate-average   { color: #ca8a04; background: #fef9c3; }
.pass-rate-poor      { color: #dc2626; background: #fee2e2; }

/* ============================================================================
   FAQ Accordion (driven by article-common.js)
   ============================================================================ */
.faq-item {
  background-color: white;
  border: 1px solid rgba(229, 229, 229, 0.8);
  border-radius: 0.75rem;
  overflow: hidden;
  margin-bottom: 0.75rem;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  transition: box-shadow var(--timing-expand-collapse) var(--ease-micro),
              border-color var(--timing-expand-collapse) var(--ease-micro);
}

.faq-item.open {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  border-color: rgba(212, 212, 212, 0.9);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: #171717;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background-color var(--timing-hover) var(--ease-micro),
              color var(--timing-hover) var(--ease-micro);
  -webkit-tap-highlight-color: transparent;
}

.faq-question:hover { background-color: #fafafa; }
.faq-question:active { background-color: #f5f5f5; }

.faq-question:focus-visible {
  outline: 2px solid rgb(37 99 235);
  outline-offset: -2px;
  border-radius: 0.75rem;
}

.faq-question i {
  color: #a3a3a3;
  transition: transform var(--timing-expand-collapse) var(--ease-accordion),
              color var(--timing-expand-collapse) var(--ease-micro);
  flex-shrink: 0;
}

.faq-question:hover i { color: #737373; }

.faq-item.open .faq-question i {
  transform: rotate(180deg);
  color: #525252;
}

.faq-answer {
  height: 0;
  overflow: hidden;
  opacity: 0;
  padding: 0 1.25rem;
  font-size: 0.875rem;
  color: #525252;
  line-height: 1.6;
  transition: height var(--timing-expand-collapse) var(--ease-accordion),
              opacity var(--timing-expand-collapse) var(--ease-micro);
  will-change: height;
}

.faq-item.open .faq-answer {
  opacity: 1;
  padding-bottom: 1.25rem;
}

.faq-answer.height-auto {
  height: auto !important;
  overflow: visible;
}

/* ============================================================================
   Tables
   ============================================================================ */
.article-table-wrapper {
  background-color: white;
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: 0.75rem;
  border: 1px solid rgba(229, 229, 229, 0.8);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.article-table {
  width: 100%;
  font-size: 0.875rem;
  border-collapse: collapse;
}

.article-table thead {
  background-color: #fafafa;
  border-bottom: 1px solid rgba(229, 229, 229, 0.8);
}

.article-table th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  color: #171717;
}

.article-table td {
  padding: 0.75rem 1rem;
  color: #525252;
}

.article-table tbody tr { transition: background-color 0.15s ease; }
.article-table tbody tr + tr { border-top: 1px solid #f5f5f5; }
.article-table tbody tr:hover { background-color: #f9fafb; }

/* ============================================================================
   Blockquote
   ============================================================================ */
.article-blockquote {
  position: relative;
  padding: 1.5rem;
  padding-left: 1.5rem;
  margin: 1.5rem 0;
  background-color: #f8fafc;
  border-left: 4px solid #2563eb;
  border-radius: 0 0.75rem 0.75rem 0;
  font-style: italic;
  color: #334155;
}

.article-blockquote cite {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.875rem;
  font-style: normal;
  color: #64748b;
}

/* ============================================================================
   Related Articles
   ============================================================================ */
.related-article-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background-color: white;
  border: 1px solid rgba(229, 229, 229, 0.8);
  border-radius: 0.75rem;
  text-decoration: none;
  transition: all 0.3s ease-out;
  cursor: pointer;
}

.related-article-card:hover {
  border-color: #bfdbfe;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px) scale(1.02);
}

.related-article-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: linear-gradient(to bottom right, #eff6ff, rgba(219, 234, 254, 0.5));
  transition: background 0.2s ease;
}

.related-article-card:hover .related-article-icon {
  background: linear-gradient(to bottom right, #dbeafe, rgba(191, 219, 254, 0.5));
}

.related-article-icon i {
  font-size: 1.25rem;
  color: #2563eb;
}

.related-article-title {
  font-weight: 600;
  color: #171717;
  margin-bottom: 0.25rem;
  transition: color 0.2s ease;
}

.related-article-card:hover .related-article-title { color: #2563eb; }

.related-article-desc {
  font-size: 0.875rem;
  color: #737373;
}

/* ============================================================================
   Article Header (category badge + meta)
   ============================================================================ */
.article-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #2563eb;
  background: linear-gradient(to bottom right, #eff6ff, rgba(219, 234, 254, 0.5));
  border: 1px solid rgba(191, 219, 254, 0.5);
  border-radius: 9999px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
  color: #737373;
}

.article-meta-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

/* ============================================================================
   Savings Callout
   ============================================================================ */
.savings-callout {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background-color: #ecfdf5;
  border: 1px solid #a7f3d0;
  border-radius: 0.75rem;
  margin-bottom: 2rem;
}

.savings-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background-color: #d1fae5;
}

.savings-icon i { font-size: 1.25rem; color: #059669; }

.savings-amount {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #059669;
}

.savings-text { font-size: 0.75rem; color: #059669; }

/* ============================================================================
   Bottom CTA
   ============================================================================ */
.article-cta {
  padding: 1.5rem;
  background: linear-gradient(to bottom right, #eff6ff, #eff6ff, rgba(219, 234, 254, 0.8));
  border: 1px solid rgba(219, 234, 254, 0.5);
  border-radius: 1rem;
  text-align: center;
  margin-top: 3rem;
}

@media (min-width: 640px) {
  .article-cta { padding: 2rem; }
}

.article-cta-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  background: linear-gradient(to bottom right, #dbeafe, rgba(191, 219, 254, 0.5));
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.article-cta-icon i { font-size: 1.5rem; color: #2563eb; }

.article-cta-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #171717;
  margin-bottom: 0.5rem;
}

.article-cta-text {
  font-size: 0.875rem;
  color: #525252;
  margin-bottom: 1.25rem;
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

.article-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1.5rem;
  font-weight: 600;
  color: white;
  background-color: #2563eb;
  border-radius: 0.75rem;
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.2);
}

.article-cta-btn:hover {
  background-color: #1d4ed8;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 20px 25px -5px rgba(37, 99, 235, 0.3);
}

.article-cta-btn:active {
  background-color: #1e40af;
  transform: translateY(0) scale(1);
}

/* ============================================================================
   Two-Column Article Layout
   ============================================================================ */
.article-layout { display: block; }

@media (min-width: 1024px) {
  .article-layout {
    display: grid;
    grid-template-columns: var(--toc-width) 1fr;
    gap: var(--content-gap);
  }
}

.article-sidebar { margin-bottom: 1.5rem; }

@media (min-width: 1024px) {
  .article-sidebar { margin-bottom: 0; }
}

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

/* ============================================================================
   Table of Contents
   ============================================================================ */
.article-toc {
  background-color: white;
  border-radius: 0.75rem;
  border: 1px solid rgba(245, 245, 245, 0.8);
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

@media (min-width: 1024px) {
  .article-toc {
    position: sticky;
    top: calc(var(--header-offset) + 1rem);
    max-height: calc(100vh - var(--header-offset) - 2rem);
    overflow-y: auto;
  }
}

.article-toc-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: none;
  border: none;
  cursor: pointer;
  transition: background-color var(--timing-hover);
}

.article-toc-toggle:hover { background-color: #fafafa; }

.article-toc-toggle-content {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.article-toc-toggle-icon { color: #2563eb; }

.article-toc-toggle-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: #171717;
}

.article-toc-count {
  padding: 0.125rem 0.5rem;
  font-size: 0.625rem;
  font-weight: 500;
  background: linear-gradient(to bottom right, #eff6ff, rgba(219, 234, 254, 0.5));
  color: #2563eb;
  border-radius: 9999px;
}

.article-toc-caret {
  color: #a3a3a3;
  transition: transform var(--timing-expand-collapse);
}

.article-toc.expanded .article-toc-caret { transform: rotate(180deg); }

@media (min-width: 1024px) {
  .article-toc-toggle { display: none; }
}

.article-toc-content {
  display: none;
  padding: 0.75rem;
}

.article-toc.expanded .article-toc-content { display: block; }

@media (min-width: 1024px) {
  .article-toc-content { display: block; }
}

.article-toc-header { display: none; }

@media (min-width: 1024px) {
  .article-toc-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #f5f5f5;
  }
}

.article-toc-header-icon { color: #2563eb; }

.article-toc-header-text {
  font-size: 0.875rem;
  font-weight: 600;
  color: #171717;
}

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

.article-toc-item { margin-bottom: 0.25rem; }
.article-toc-item:last-child { margin-bottom: 0; }

.toc-link {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  width: 100%;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  text-decoration: none;
  transition: all var(--timing-hover);
  color: #525252;
}

.toc-link:hover {
  background-color: #fafafa;
  color: #171717;
}

.toc-link.active {
  background: linear-gradient(to bottom right, #eff6ff, rgba(219, 234, 254, 0.5));
  color: #2563eb;
}

.toc-link-number {
  font-size: 0.75rem;
  font-weight: 500;
  min-width: 1.5rem;
  color: #a3a3a3;
  font-variant-numeric: tabular-nums;
}

.toc-link.active .toc-link-number { color: #2563eb; }

.toc-link-text {
  font-size: 0.875rem;
  line-height: 1.4;
}

.article-toc-print-hint { display: none; }

@media (min-width: 1024px) {
  .article-toc-print-hint {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid #f5f5f5;
    font-size: 0.75rem;
    color: #a3a3a3;
  }
}

/* ============================================================================
   Animations
   ============================================================================ */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.article-fade-in { animation: fadeIn 0.3s ease-out forwards; }

.article-delay-1 { animation-delay: 50ms; }
.article-delay-2 { animation-delay: 100ms; }
.article-delay-3 { animation-delay: 150ms; }
.article-delay-4 { animation-delay: 200ms; }
.article-delay-5 { animation-delay: 250ms; }

/* ============================================================================
   Scroll-Reveal (driven by IntersectionObserver in article-common.js)
   ============================================================================ */
.scroll-reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 400ms ease-out, transform 400ms ease-out;
}

.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-reveal[data-reveal-index="1"]  { transition-delay: 0ms; }
.scroll-reveal[data-reveal-index="2"]  { transition-delay: 50ms; }
.scroll-reveal[data-reveal-index="3"]  { transition-delay: 100ms; }
.scroll-reveal[data-reveal-index="4"]  { transition-delay: 150ms; }
.scroll-reveal[data-reveal-index="5"]  { transition-delay: 200ms; }
.scroll-reveal[data-reveal-index="6"]  { transition-delay: 250ms; }
.scroll-reveal[data-reveal-index="7"]  { transition-delay: 300ms; }
.scroll-reveal[data-reveal-index="8"]  { transition-delay: 350ms; }
.scroll-reveal[data-reveal-index="9"]  { transition-delay: 400ms; }
.scroll-reveal[data-reveal-index="10"] { transition-delay: 450ms; }

.article-section[id] {
  scroll-margin-top: calc(var(--header-offset) + 1rem);
}

@media (prefers-reduced-motion: reduce) {
  .scroll-reveal { opacity: 1; transform: none; transition: none; }
  .faq-item,
  .faq-answer,
  .faq-question i { transition: none; }
}

/* ============================================================================
   Line Clamp Utilities
   ============================================================================ */
.line-clamp-1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* ============================================================================
   Shared Utilities
   ============================================================================ */
.article-card-lift { transition: all 0.3s ease-out; }
.article-card-lift:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

.article-focus-ring:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

.article-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.article-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
}

.article-list li + li { margin-top: 0.625rem; }

.article-warning-banner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
}

.article-success-banner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #ecfdf5;
  border: 1px solid #a7f3d0;
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
}

.article-info-banner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #eff6ff;
  border: 1px solid rgba(219, 234, 254, 0.8);
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
}

/* ============================================================================
   Mobile Tweaks
   ============================================================================ */
@media (max-width: 639px) {
  .article-section {
    padding: 1.25rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  }

  .article-section:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  }

  .callout {
    flex-direction: column;
    gap: 0.5rem;
  }

  .callout-icon { margin-top: 0; }

  .faq-question { padding: 1rem; }
  .faq-question:active { background-color: #f0f0f0; }
  .faq-item.open .faq-answer { padding-bottom: 1rem; }
}

/* ============================================================================
   Print Styles
   ============================================================================ */
@media print {
  #reading-progress,
  #mw-header,
  #mw-footer,
  .article-toc,
  .article-cta,
  .article-cta-btn,
  [data-print-article] { display: none !important; }

  body { background: white !important; }

  .article-section {
    box-shadow: none !important;
    border: 1px solid #e5e5e5 !important;
  }

  .scroll-reveal { opacity: 1 !important; transform: none !important; }

  .faq-answer {
    height: auto !important;
    opacity: 1 !important;
    overflow: visible !important;
    padding-bottom: 1.25rem !important;
  }

  .faq-item { break-inside: avoid; }

  .article-table-wrapper { overflow: visible !important; }
  table, tr { page-break-inside: avoid; }

  .article-main a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.75em;
    color: #737373;
  }

  .callout { border-left: 3px solid #525252 !important; }
}