/* ==========================================================================
   APPLIANCE REPAIR ORLAND PARK — BLOG DESIGN SYSTEM
   Visual Direction: Professional Appliance Repair Knowledge Center
   Palette:
     Navy (#102A43, #082A46), Action Blue (#1677FF, #1478FF),
     Conversion Orange (#FF6A13, #F97316), Success Green (#10B981, #16A34A),
     Light BG (#F7F9FC, #F6F9FC), Card Border (#E5EAF0, #E2E8F0),
     Text Main (#102235, #243B53), Text Muted (#526578, #627D98)
   Typography: Manrope (Headings), Inter (Body & UI)
   ========================================================================== */

/* ---------------------------------------------------------
 * 1. Base Layout & Reading Width Container
 * --------------------------------------------------------- */
.blog-page-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 2rem);
}

.blog-main-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.5rem;
  padding: 2rem 0 4.5rem;
  width: 100%;
}

@media (min-width: 1024px) {
  .blog-main-layout {
    grid-template-columns: minmax(0, 780px) 320px;
    gap: 3.5rem;
    align-items: start;
    padding: 2.5rem 0 5rem;
  }
}

/* Main Article Column with ideal reading width */
.blog-article-content {
  min-width: 0;
  max-width: 100%;
  width: 100%;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 1.0625rem; /* ~17-18px desktop */
  line-height: 1.75;
  color: var(--color-text-main, #243B53);
}

@media (max-width: 768px) {
  .blog-article-content {
    font-size: 1rem; /* 16px mobile */
    line-height: 1.7;
  }
}

/* Article Typography */
.blog-article-content h2 {
  font-family: var(--font-headings, 'Manrope', sans-serif);
  font-size: clamp(1.65rem, 2.5vw, 2.15rem);
  font-weight: 800;
  color: var(--color-navy, #102A43);
  line-height: 1.25;
  margin: 2.75rem 0 1.15rem;
  letter-spacing: -0.02em;
  scroll-margin-top: 110px;
}

.blog-article-content h3 {
  font-family: var(--font-headings, 'Manrope', sans-serif);
  font-size: clamp(1.3rem, 2vw, 1.55rem);
  font-weight: 700;
  color: var(--color-navy, #102A43);
  line-height: 1.35;
  margin: 2rem 0 0.85rem;
  letter-spacing: -0.015em;
  scroll-margin-top: 110px;
}

.blog-article-content h4 {
  font-family: var(--font-headings, 'Manrope', sans-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-navy-light, #163B5C);
  margin: 1.5rem 0 0.5rem;
}

.blog-article-content p {
  margin-bottom: 1.35rem;
}

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

.blog-article-content ul,
.blog-article-content ol {
  margin: 1rem 0 1.5rem 1.5rem;
}

.blog-article-content li {
  margin-bottom: 0.65rem;
  line-height: 1.65;
}

.blog-article-content a {
  color: #1677FF;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 160ms ease;
}

.blog-article-content a:hover {
  color: #0062E3;
}

/* ---------------------------------------------------------
 * 2. Article Hero & Header
 * --------------------------------------------------------- */
.article-header {
  padding-bottom: 2rem;
  border-bottom: 1px solid #E5EAF0;
  margin-bottom: 2.25rem;
}

.article-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(22, 119, 255, 0.08);
  color: #1677FF;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  margin-bottom: 1.15rem;
}

.article-category-badge svg {
  flex-shrink: 0;
}

.article-h1 {
  font-family: var(--font-headings, 'Manrope', sans-serif);
  font-size: clamp(2.15rem, 4vw, 3.1rem);
  font-weight: 800;
  line-height: 1.15;
  color: #102A43;
  margin-bottom: 1.25rem;
  letter-spacing: -0.025em;
}

.article-deck {
  font-size: clamp(1.125rem, 1.4vw, 1.25rem);
  line-height: 1.65;
  color: #486581;
  margin-bottom: 1.75rem;
  font-weight: 400;
}

/* Author & Metadata Bar */
.article-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  padding: 1.15rem 1.35rem;
  background: #F7F9FC;
  border: 1px solid #E5EAF0;
  border-radius: 12px;
  font-size: 0.875rem;
  color: #627D98;
}

.meta-author-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.meta-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #D9E2EC;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #102A43;
  font-weight: 700;
  flex-shrink: 0;
  overflow: hidden;
  border: 2px solid #FFFFFF;
  box-shadow: 0 2px 6px rgba(16, 42, 67, 0.08);
}

.meta-author-text strong {
  display: block;
  color: #102A43;
  font-weight: 700;
  line-height: 1.25;
}

.meta-author-text span {
  font-size: 0.8125rem;
  color: #627D98;
}

.meta-reviewer-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(16, 185, 129, 0.1);
  color: #047857;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: 6px;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.meta-dates-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

@media (max-width: 640px) {
  .meta-dates-group {
    margin-left: 0;
    width: 100%;
    padding-top: 0.75rem;
    border-top: 1px solid #E5EAF0;
  }
}

/* Hero Image */
.article-hero-figure {
  margin: 2rem 0 2.5rem;
  border-radius: 16px;
  overflow: hidden;
  background: #EDF2F7;
  border: 1px solid #E2E8F0;
  box-shadow: 0 4px 18px rgba(16, 42, 67, 0.06);
}

.article-hero-figure img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article-hero-caption {
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  color: #627D98;
  background: #FFFFFF;
  border-top: 1px solid #E5EAF0;
  font-style: italic;
}

/* ---------------------------------------------------------
 * 3. Quick Answer Callout Box
 * --------------------------------------------------------- */
.quick-answer-card {
  background: linear-gradient(135deg, #F0F7FF 0%, #FFFFFF 100%);
  border: 2px solid #BAE3FF;
  border-left: 6px solid #1677FF;
  border-radius: 14px;
  padding: 1.65rem 1.85rem;
  margin: 1.75rem 0 2.5rem;
  box-shadow: 0 4px 16px rgba(22, 119, 255, 0.06);
}

.quick-answer-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
}

.quick-answer-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #1677FF;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.quick-answer-title {
  font-family: var(--font-headings, 'Manrope', sans-serif);
  font-size: 1.15rem;
  font-weight: 800;
  color: #102A43;
  margin: 0;
  letter-spacing: -0.01em;
}

.quick-answer-body {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #243B53;
}

/* ---------------------------------------------------------
 * 4. Table of Contents (TOC)
 * --------------------------------------------------------- */
/* Mobile Collapsible TOC */
.mobile-toc-container {
  display: block;
  margin: 2rem 0;
  background: #F7F9FC;
  border: 1px solid #E5EAF0;
  border-radius: 12px;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .mobile-toc-container {
    display: none; /* Desktop uses sticky sidebar */
  }
}

.mobile-toc-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  font-family: var(--font-headings, 'Manrope', sans-serif);
  font-weight: 700;
  color: #102A43;
  font-size: 1.05rem;
  cursor: pointer;
  list-style: none;
  background: #FFFFFF;
  border-bottom: 1px solid #E5EAF0;
}

.mobile-toc-summary::-webkit-details-marker {
  display: none;
}

.mobile-toc-summary svg {
  transition: transform 200ms ease;
}

details[open] .mobile-toc-summary svg {
  transform: rotate(180deg);
}

.mobile-toc-body {
  padding: 1.15rem 1.35rem;
}

.mobile-toc-body ol {
  margin: 0;
  padding-left: 1.25rem;
}

.mobile-toc-body li {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.mobile-toc-body a {
  color: #334E68;
  text-decoration: none;
}

.mobile-toc-body a:hover {
  color: #1677FF;
  text-decoration: underline;
}

/* Desktop Sticky Sidebar */
.blog-sidebar {
  display: none;
}

@media (min-width: 1024px) {
  .blog-sidebar {
    display: block;
    position: sticky;
    top: 96px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    padding-right: 0.5rem;
    scrollbar-width: thin;
    scrollbar-color: #CBD5E1 transparent;
  }
}

.sidebar-card {
  background: #FFFFFF;
  border: 1px solid #E5EAF0;
  border-radius: 14px;
  padding: 1.5rem;
  margin-bottom: 1.75rem;
  box-shadow: 0 3px 12px rgba(16, 42, 67, 0.04);
}

.sidebar-title {
  font-family: var(--font-headings, 'Manrope', sans-serif);
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #627D98;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.desktop-toc-nav ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.desktop-toc-nav li {
  margin: 0;
}

.desktop-toc-nav a {
  display: block;
  font-size: 0.875rem;
  line-height: 1.45;
  color: #486581;
  text-decoration: none;
  padding: 0.4rem 0.65rem;
  border-radius: 6px;
  border-left: 2px solid transparent;
  transition: all 160ms ease;
}

.desktop-toc-nav a:hover {
  color: #1677FF;
  background: rgba(22, 119, 255, 0.05);
}

.desktop-toc-nav a.is-active {
  color: #1677FF;
  font-weight: 700;
  background: rgba(22, 119, 255, 0.08);
  border-left-color: #1677FF;
}

/* Sidebar Quick Contact Widget */
.sidebar-cta-widget {
  background: linear-gradient(135deg, #082A46 0%, #102A43 100%);
  color: #FFFFFF;
  border-radius: 14px;
  padding: 1.65rem 1.35rem;
  text-align: center;
  box-shadow: 0 8px 24px rgba(8, 42, 70, 0.15);
}

.sidebar-cta-widget h4 {
  color: #FFFFFF;
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
}

.sidebar-cta-widget p {
  font-size: 0.875rem;
  color: #CBD5E1;
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.sidebar-phone-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: #FF6A13;
  color: #FFFFFF !important;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  text-decoration: none !important;
  box-shadow: 0 4px 14px rgba(255, 106, 19, 0.35);
  transition: background 160ms ease, transform 160ms ease;
}

.sidebar-phone-btn:hover {
  background: #F05700;
  transform: translateY(-1px);
}

.sidebar-request-btn {
  display: block;
  margin-top: 0.65rem;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #FFFFFF !important;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  text-decoration: none !important;
  transition: all 160ms ease;
}

.sidebar-request-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #FFFFFF;
}

/* ---------------------------------------------------------
 * 5. Cause Cards (Numbered Causes)
 * --------------------------------------------------------- */
.cause-card {
  background: #FFFFFF;
  border: 1px solid #E5EAF0;
  border-radius: 14px;
  padding: 1.85rem;
  margin: 2rem 0;
  box-shadow: 0 4px 14px rgba(16, 42, 67, 0.04);
  position: relative;
  transition: border-color 200ms ease;
}

.cause-card:hover {
  border-color: #CBD5E1;
}

.cause-card-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.cause-number-badge {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: #102A43;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-headings, 'Manrope', sans-serif);
  font-size: 1.1rem;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.cause-title-wrap h3 {
  margin: 0 0 0.25rem;
  font-size: 1.35rem;
  color: #102A43;
}

.cause-subtitle {
  font-size: 0.875rem;
  color: #627D98;
  font-weight: 500;
}

.cause-section-block {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid #EDF2F7;
}

.cause-observation-box {
  background: #F7F9FC;
  border-left: 3px solid #1677FF;
  border-radius: 0 8px 8px 0;
  padding: 1rem 1.25rem;
  margin: 1.15rem 0;
  font-size: 0.95rem;
}

.cause-observation-box strong {
  display: block;
  color: #102A43;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.cause-observation-box ul {
  margin: 0.25rem 0 0 1.25rem;
  padding: 0;
}

.cause-observation-box li {
  margin-bottom: 0.35rem;
  color: #334E68;
}

.diy-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1rem;
  font-size: 0.875rem;
}

.diy-badge-safe {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(16, 185, 129, 0.1);
  color: #047857;
  font-weight: 700;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
}

.diy-badge-pro {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255, 106, 19, 0.1);
  color: #C2410C;
  font-weight: 700;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
}

/* ---------------------------------------------------------
 * 6. Safety Callout Box (Emergency & Hazard Warning)
 * --------------------------------------------------------- */
.safety-callout-card {
  background: #FFF7ED;
  border: 2px solid #FED7AA;
  border-left: 6px solid #EA580C;
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
  margin: 2.25rem 0;
  box-shadow: 0 4px 14px rgba(234, 88, 12, 0.06);
}

.safety-callout-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: #9A3412;
  font-family: var(--font-headings, 'Manrope', sans-serif);
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 0.65rem;
}

.safety-callout-header svg {
  flex-shrink: 0;
  color: #EA580C;
}

.safety-callout-body {
  font-size: 0.975rem;
  line-height: 1.65;
  color: #7C2D12;
}

.safety-callout-body ul {
  margin: 0.5rem 0 0 1.25rem;
}

.safety-callout-body li {
  margin-bottom: 0.35rem;
}

/* ---------------------------------------------------------
 * 7. Technician Insight / Diagnostic Tip Box
 * --------------------------------------------------------- */
.technician-insight-card {
  background: #F0FDF4;
  border: 1px solid #BBF7D0;
  border-left: 5px solid #16A34A;
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
  box-shadow: 0 3px 12px rgba(22, 163, 74, 0.05);
}

.technician-insight-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #15803D;
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.65rem;
}

.technician-insight-quote {
  font-size: 1rem;
  line-height: 1.65;
  color: #166534;
  font-style: italic;
  position: relative;
}

.technician-insight-attribution {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.8125rem;
  font-style: normal;
  font-weight: 600;
  color: #15803D;
}

/* ---------------------------------------------------------
 * 8. Responsive Symptom Table
 * --------------------------------------------------------- */
.table-responsive-wrapper {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 2rem 0;
  border: 1px solid #E5EAF0;
  border-radius: 12px;
  background: #FFFFFF;
  box-shadow: 0 2px 10px rgba(16, 42, 67, 0.04);
}

.symptom-matrix-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9375rem;
  min-width: 580px;
}

.symptom-matrix-table th {
  background: #102A43;
  color: #FFFFFF;
  padding: 0.85rem 1.15rem;
  font-family: var(--font-headings, 'Manrope', sans-serif);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.03em;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.symptom-matrix-table th:last-child {
  border-right: none;
}

.symptom-matrix-table td {
  padding: 0.95rem 1.15rem;
  border-bottom: 1px solid #EDF2F7;
  color: #334E68;
  vertical-align: top;
  line-height: 1.55;
}

.symptom-matrix-table tr:nth-child(even) td {
  background: #F8FAFC;
}

.symptom-matrix-table tr:hover td {
  background: #F1F5F9;
}

.symptom-matrix-table td strong {
  color: #102A43;
}

/* ---------------------------------------------------------
 * 9. Interactive Decision Tree / Diagnostic Flow Helper
 * --------------------------------------------------------- */
.decision-tree-card {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 14px;
  padding: 1.75rem;
  margin: 2.25rem 0;
}

.decision-tree-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.decision-tree-header h4 {
  margin: 0 0 0.35rem;
  font-size: 1.25rem;
  color: #102A43;
}

.decision-tree-header p {
  margin: 0;
  font-size: 0.9rem;
  color: #627D98;
}

.flow-step-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .flow-step-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.flow-step-box {
  background: #FFFFFF;
  border: 1px solid #CBD5E1;
  border-radius: 10px;
  padding: 1.25rem;
  position: relative;
  text-align: center;
  box-shadow: 0 2px 6px rgba(16, 42, 67, 0.03);
}

.flow-step-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

.flow-step-box h5 {
  font-size: 1rem;
  color: #102A43;
  margin: 0 0 0.5rem;
}

.flow-step-box p {
  font-size: 0.85rem;
  color: #486581;
  line-height: 1.45;
  margin: 0;
}

/* ---------------------------------------------------------
 * 10. Mid-Article Conversion Module (~35% Depth)
 * --------------------------------------------------------- */
.mid-article-cta-card {
  background: linear-gradient(135deg, #F0F7FF 0%, #FFFFFF 100%);
  border: 1px solid #B8DBFF;
  border-left: 6px solid #FF6A13;
  border-radius: 14px;
  padding: 1.85rem 2rem;
  margin: 2.75rem 0;
  box-shadow: 0 6px 20px rgba(16, 42, 67, 0.05);
}

.mid-cta-eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #FF6A13;
  margin-bottom: 0.35rem;
}

.mid-cta-title {
  font-family: var(--font-headings, 'Manrope', sans-serif);
  font-size: 1.45rem;
  font-weight: 800;
  color: #102A43;
  margin: 0 0 0.65rem;
}

.mid-cta-copy {
  font-size: 0.975rem;
  line-height: 1.6;
  color: #486581;
  margin-bottom: 1.35rem;
}

.mid-cta-buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.btn-cta-orange {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: #FF6A13;
  color: #FFFFFF !important;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.75rem 1.35rem;
  border-radius: 8px;
  text-decoration: none !important;
  box-shadow: 0 4px 14px rgba(255, 106, 19, 0.32);
  transition: all 160ms ease;
  min-height: 48px;
}

.btn-cta-orange:hover {
  background: #F05700;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 106, 19, 0.44);
}

.btn-outline-navy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #102A43 !important;
  border: 1.5px solid #CBD5E1;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.35rem;
  border-radius: 8px;
  text-decoration: none !important;
  transition: all 160ms ease;
  min-height: 48px;
}

.btn-outline-navy:hover {
  border-color: #102A43;
  background: #F7F9FC;
}

.mid-cta-subnote {
  font-size: 0.8125rem;
  color: #627D98;
  margin-top: 0.75rem;
  display: block;
}

/* ---------------------------------------------------------
 * 11. Repair vs. Replace Feature Card
 * --------------------------------------------------------- */
.repair-replace-eval-box {
  background: #FFFFFF;
  border: 1px solid #E5EAF0;
  border-radius: 14px;
  padding: 1.75rem 2rem;
  margin: 2rem 0;
  box-shadow: 0 4px 14px rgba(16, 42, 67, 0.03);
}

.eval-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1.25rem;
}

@media (min-width: 640px) {
  .eval-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.eval-column {
  background: #F8FAFC;
  border-radius: 10px;
  padding: 1.25rem;
  border: 1px solid #E2E8F0;
}

.eval-column h4 {
  font-size: 1.05rem;
  margin: 0 0 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.eval-column.repair h4 {
  color: #047857;
}

.eval-column.replace h4 {
  color: #B45309;
}

.eval-column ul {
  margin: 0;
  padding-left: 1.25rem;
}

.eval-column li {
  font-size: 0.9rem;
  margin-bottom: 0.45rem;
  color: #486581;
}

/* ---------------------------------------------------------
 * 12. Key Takeaways Box
 * --------------------------------------------------------- */
.key-takeaways-card {
  background: #F7F9FC;
  border: 1px solid #D9E2EC;
  border-radius: 14px;
  padding: 1.65rem 1.85rem;
  margin: 2.25rem 0;
}

.key-takeaways-card h3 {
  font-size: 1.25rem;
  color: #102A43;
  margin: 0 0 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.key-takeaways-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.key-takeaways-card li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.975rem;
  color: #243B53;
  line-height: 1.55;
  margin: 0;
}

.key-takeaways-card li svg {
  color: #16A34A;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

/* ---------------------------------------------------------
 * 13. Blog FAQ Accordions
 * --------------------------------------------------------- */
.blog-faq-section {
  margin: 3rem 0;
}

.blog-faq-accordion {
  border: 1px solid #E5EAF0;
  border-radius: 12px;
  margin-bottom: 0.85rem;
  background: #FFFFFF;
  overflow: hidden;
  transition: border-color 160ms ease;
}

.blog-faq-accordion:hover {
  border-color: #CBD5E1;
}

.faq-trigger-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  font-family: var(--font-headings, 'Manrope', sans-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: #102A43;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  line-height: 1.4;
}

.faq-trigger-btn svg {
  flex-shrink: 0;
  margin-left: 1rem;
  color: #627D98;
  transition: transform 200ms ease;
}

.faq-trigger-btn[aria-expanded="true"] svg {
  transform: rotate(180deg);
  color: #1677FF;
}

.faq-panel-content {
  padding: 0 1.5rem 1.35rem;
  font-size: 0.975rem;
  line-height: 1.7;
  color: #486581;
}

.faq-panel-content p:last-child {
  margin-bottom: 0;
}

/* ---------------------------------------------------------
 * 14. Sources & Citations
 * --------------------------------------------------------- */
.sources-section {
  padding: 1.5rem 1.75rem;
  background: #F8FAFC;
  border: 1px solid #E5EAF0;
  border-radius: 12px;
  margin: 2.5rem 0;
  font-size: 0.875rem;
}

.sources-section h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: #486581;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 0.85rem;
}

.sources-section ol {
  margin: 0 0 0 1.25rem;
  padding: 0;
  color: #627D98;
}

.sources-section li {
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.sources-section a {
  color: #1677FF;
  text-decoration: underline;
}

/* ---------------------------------------------------------
 * 15. Author & Reviewer Bios (E-E-A-T Cards)
 * --------------------------------------------------------- */
.author-bio-card {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  background: #FFFFFF;
  border: 1px solid #E5EAF0;
  border-radius: 14px;
  padding: 1.75rem;
  margin: 2.5rem 0;
  box-shadow: 0 3px 12px rgba(16, 42, 67, 0.04);
}

@media (min-width: 640px) {
  .author-bio-card {
    flex-direction: row;
    align-items: flex-start;
  }
}

.author-bio-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #EDF2F7;
  color: #102A43;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.5rem;
  flex-shrink: 0;
  border: 3px solid #E2E8F0;
}

.author-bio-content h4 {
  font-size: 1.15rem;
  color: #102A43;
  margin: 0 0 0.25rem;
}

.author-bio-role {
  font-size: 0.85rem;
  color: #1677FF;
  font-weight: 600;
  margin-bottom: 0.65rem;
}

.author-bio-content p {
  font-size: 0.925rem;
  line-height: 1.6;
  color: #486581;
  margin: 0;
}

/* ---------------------------------------------------------
 * 16. Final Conversion Block (Dark Navy)
 * --------------------------------------------------------- */
.final-conversion-card {
  background: linear-gradient(135deg, #082A46 0%, #102A43 100%);
  color: #FFFFFF;
  border-radius: 16px;
  padding: clamp(2rem, 4vw, 3rem) clamp(1.5rem, 3.5vw, 2.5rem);
  margin: 3.5rem 0;
  text-align: center;
  box-shadow: 0 12px 32px rgba(8, 42, 70, 0.18);
  position: relative;
  overflow: hidden;
}

.final-conversion-card::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20, 120, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.final-cta-eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #FF6A13;
  margin-bottom: 0.75rem;
}

.final-cta-title {
  font-family: var(--font-headings, 'Manrope', sans-serif);
  font-size: clamp(1.85rem, 3vw, 2.35rem);
  font-weight: 800;
  color: #FFFFFF;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.final-cta-copy {
  font-size: 1.05rem;
  line-height: 1.65;
  color: #CBD5E1;
  max-width: 620px;
  margin: 0 auto 1.75rem;
}

.final-phone-display {
  display: inline-block;
  font-family: var(--font-headings, 'Manrope', sans-serif);
  font-size: clamp(1.85rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.final-cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

/* ---------------------------------------------------------
 * 17. Related Service Card
 * --------------------------------------------------------- */
.related-service-panel {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
  margin: 2.5rem 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.related-service-text h4 {
  font-size: 1.15rem;
  color: #102A43;
  margin: 0 0 0.35rem;
}

.related-service-text p {
  font-size: 0.9rem;
  color: #627D98;
  margin: 0;
}

/* ---------------------------------------------------------
 * 18. Related Articles Grid
 * --------------------------------------------------------- */
.related-articles-section {
  padding: 3.5rem 0 1rem;
  border-top: 1px solid #E5EAF0;
  margin-top: 3.5rem;
}

.related-articles-heading {
  font-family: var(--font-headings, 'Manrope', sans-serif);
  font-size: 1.85rem;
  font-weight: 800;
  color: #102A43;
  margin: 0 0 2rem;
}

.related-articles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 640px) {
  .related-articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .related-articles-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.article-card {
  background: #FFFFFF;
  border: 1px solid #E5EAF0;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
  text-decoration: none !important;
  color: inherit !important;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(16, 42, 67, 0.08);
  border-color: #CBD5E1;
}

.article-card-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #EDF2F7;
  overflow: hidden;
}

.article-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms ease;
}

.article-card:hover .article-card-thumb img {
  transform: scale(1.04);
}

.article-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-card-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #1677FF;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

.article-card-title {
  font-family: var(--font-headings, 'Manrope', sans-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: #102A43;
  line-height: 1.35;
  margin: 0 0 0.5rem;
}

.article-card-excerpt {
  font-size: 0.875rem;
  color: #627D98;
  line-height: 1.55;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.article-card-footer {
  font-size: 0.8125rem;
  color: #829AB1;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid #F0F4F8;
  padding-top: 0.75rem;
}

/* ---------------------------------------------------------
 * 19. Mobile Sticky Call Bar (Accessible & Safe-Area Padded)
 * --------------------------------------------------------- */
.mobile-sticky-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  min-height: 64px;
  background: rgba(11, 29, 47, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 -6px 24px rgba(0, 0, 0, 0.28);
  padding: 0.65rem 1rem;
  padding-bottom: calc(0.65rem + env(safe-area-inset-bottom, 0px));
  z-index: 99999;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.mobile-sticky-bar.is-visible {
  transform: translateY(0);
}

@media (min-width: 768px) {
  .mobile-sticky-bar {
    display: none !important;
  }
}

.mobile-sticky-info {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}

.mobile-sticky-info .phone-circle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(249, 115, 22, 0.18);
  border: 1px solid rgba(249, 115, 22, 0.4);
  color: #F97316;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mobile-sticky-text {
  min-width: 0;
}

.mobile-sticky-title {
  font-size: 0.88rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mobile-sticky-sub {
  font-size: 0.72rem;
  color: #9FB3C8;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mobile-sticky-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  background: linear-gradient(135deg, #F97316 0%, #EA580C 100%);
  color: #FFFFFF !important;
  padding: 0.65rem 1.15rem;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 800;
  text-decoration: none !important;
  box-shadow: 0 4px 14px rgba(234, 88, 12, 0.4);
  white-space: nowrap;
  flex-shrink: 0;
  animation: pulsePhoneGlow 3s ease-in-out infinite;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.mobile-sticky-btn:active {
  transform: scale(0.97);
}

@keyframes pulsePhoneGlow {
  0% { box-shadow: 0 4px 14px rgba(234, 88, 12, 0.4); }
  50% { box-shadow: 0 4px 22px rgba(249, 115, 22, 0.75); }
  100% { box-shadow: 0 4px 14px rgba(234, 88, 12, 0.4); }
}

@media (max-width: 380px) {
  .mobile-sticky-bar {
    padding: 0.5rem 0.75rem;
    padding-bottom: calc(0.5rem + env(safe-area-inset-bottom, 0px));
  }
  .mobile-sticky-title {
    font-size: 0.82rem;
  }
  .mobile-sticky-sub {
    display: none;
  }
  .mobile-sticky-btn {
    padding: 0.55rem 0.85rem;
    font-size: 0.88rem;
  }
}

@media (max-width: 767px) {
  body {
    padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px)) !important;
  }
}

/* ---------------------------------------------------------
 * 20. Print Styles & Accessibility (WCAG 2.2 AA)
 * --------------------------------------------------------- */
@media print {
  .site-header-wrapper,
  .mobile-sticky-bar,
  .blog-sidebar,
  .mid-article-cta-card,
  .final-conversion-card,
  .mobile-toc-container,
  .site-footer {
    display: none !important;
  }

  body {
    padding-bottom: 0 !important;
    background: #FFFFFF !important;
    color: #000000 !important;
    font-size: 12pt;
  }

  .blog-main-layout {
    display: block !important;
    padding: 0 !important;
  }

  .blog-article-content {
    max-width: 100% !important;
  }

  a {
    color: #000000 !important;
    text-decoration: underline !important;
  }

  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 85%;
  }

  .cause-card,
  .safety-callout-card,
  .quick-answer-card,
  .key-takeaways-card {
    page-break-inside: avoid;
    border: 1px solid #999999 !important;
    box-shadow: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}