/* ==========================================================================
   DecisionVault Health - Master Clinical Design System
   Optimized for Medical E-E-A-T, Accessibility, Core Web Vitals & AdSense
   ========================================================================== */

:root {
  --primary-navy: #0F172A;
  --primary-dark: #020617;
  --brand-teal: #0D9488;
  --brand-teal-dark: #0F766E;
  --brand-teal-light: #CCFBF1;
  --brand-blue: #0284C7;
  --brand-blue-light: #E0F2FE;
  --accent-emergency: #DC2626;
  --accent-emergency-bg: #FEF2F2;
  --accent-warning: #D97706;
  --accent-warning-bg: #FFFBEB;
  --text-main: #1E293B;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --bg-page: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-subtle: #F1F5F9;
  --border-color: #E2E8F0;
  --border-focus: #0D9488;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, Cambria, "Times New Roman", Times, serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-page);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: var(--brand-teal-dark);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--brand-blue);
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ----------------- Top Trust Bar ----------------- */
.trust-bar {
  background-color: var(--primary-navy);
  color: #E2E8F0;
  font-size: 0.8125rem;
  padding: 0.45rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.trust-bar-container {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.trust-bar-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-trust {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background-color: rgba(13, 148, 136, 0.2);
  color: #5EEAD4;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.75rem;
}

.trust-bar-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.trust-bar-right a {
  color: #CBD5E1;
  text-decoration: none;
}
.trust-bar-right a:hover {
  color: #FFFFFF;
}

.emergency-alert {
  color: #FCA5A5;
  font-weight: 600;
}

/* ----------------- Main Header ----------------- */
.site-header {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  text-decoration: none !important;
}

.brand-logo img {
  height: 48px;
  width: auto;
}

/* Desktop Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 1.25rem;
}

.nav-item a {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-main);
  text-decoration: none;
  padding: 0.4rem 0.2rem;
  position: relative;
  transition: color 0.2s;
}

.nav-item a:hover,
.nav-item a.active {
  color: var(--brand-teal);
}

.nav-item a.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--brand-teal);
  border-radius: 2px;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.875rem;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-search-trigger:hover {
  background-color: #FFFFFF;
  border-color: var(--brand-teal);
  color: var(--text-main);
}

.btn-search-trigger kbd {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.1rem 0.35rem;
  font-size: 0.75rem;
  color: var(--text-light);
}

.btn-portal {
  background-color: var(--brand-teal);
  color: #FFFFFF !important;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  text-decoration: none !important;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: background-color 0.2s;
}

.btn-portal:hover {
  background-color: var(--brand-teal-dark);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  padding: 0.5rem;
}

/* ----------------- Sub-category Bar ----------------- */
.category-strip {
  background-color: #F8FAFC;
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: thin;
}

.category-strip-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0.5rem 1.25rem;
  display: flex;
  gap: 0.75rem;
}

.cat-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  background-color: #FFFFFF;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  text-decoration: none !important;
  transition: all 0.15s ease;
}

.cat-pill:hover,
.cat-pill.active {
  background-color: var(--brand-teal-light);
  border-color: var(--brand-teal);
  color: var(--brand-teal-dark);
}

/* ----------------- Layout Containers ----------------- */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
  width: 100%;
}

.site-content {
  flex: 1;
}

/* ----------------- Hero Section ----------------- */
.medical-hero {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 60%, #0F766E 100%);
  color: #FFFFFF;
  padding: 3.5rem 1.25rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.hero-content h1 span {
  color: #5EEAD4;
}

.hero-content p {
  font-size: 1.125rem;
  color: #CBD5E1;
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.hero-badge-item {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  color: #E2E8F0;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.hero-card {
  background: #FFFFFF;
  color: var(--text-main);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-card-tag {
  display: inline-block;
  background: var(--brand-teal-light);
  color: var(--brand-teal-dark);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}

.hero-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  line-height: 1.35;
}

.hero-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

/* ----------------- Section Headers ----------------- */
.section-header {
  margin-bottom: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary-navy);
  letter-spacing: -0.01em;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -0.85rem;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--brand-teal);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ----------------- Cards & Grids ----------------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.75rem;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand-teal);
}

.card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.category-badge {
  background: var(--brand-blue-light);
  color: var(--brand-blue);
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.7rem;
}

.read-time {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.article-title {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--primary-navy);
  margin-bottom: 0.75rem;
}

.article-title a {
  color: inherit;
  text-decoration: none;
}

.article-title a:hover {
  color: var(--brand-teal);
}

.article-excerpt {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex: 1;
}

/* Card Reviewer Badge (E-E-A-T) */
.card-reviewer {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.card-reviewer img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--brand-teal);
}

.reviewer-name {
  font-weight: 600;
  color: var(--text-main);
}

/* ----------------- AdSense Safe Containers ----------------- */
.ad-slot-container {
  margin: 1.75rem 0;
  padding: 0.75rem;
  background-color: var(--bg-subtle);
  border: 1px dashed #CBD5E1;
  border-radius: var(--radius-md);
  text-align: center;
  min-height: 110px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.ad-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-light);
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.ad-placeholder-box {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  width: 100%;
  max-width: 728px;
  font-size: 0.8125rem;
}

/* ----------------- Article Full Page Layout ----------------- */
.article-container {
  display: grid;
  grid-template-columns: 260px 1fr 300px;
  gap: 2rem;
  max-width: 1300px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

/* Two-column layout when TOC is on left */
.article-main {
  min-width: 0;
}

/* Progress bar */
#reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-teal), var(--brand-blue));
  width: 0%;
  z-index: 9999;
  transition: width 0.1s;
}

/* Article Header */
.article-header {
  margin-bottom: 2rem;
}

.breadcrumbs {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.breadcrumbs a {
  color: var(--text-muted);
  text-decoration: none;
}
.breadcrumbs a:hover {
  color: var(--brand-teal);
}

.article-header h1 {
  font-size: 2.35rem;
  font-weight: 800;
  color: var(--primary-navy);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

/* Medical Review Callout Box */
.medical-review-badge {
  display: flex;
  align-items: center;
  gap: 1rem;
  background-color: var(--brand-teal-light);
  border: 1px solid #99F6E4;
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  margin-bottom: 1.5rem;
}

.medical-review-badge img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--brand-teal);
  background: #FFFFFF;
}

.review-badge-text {
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--primary-navy);
}

.review-badge-text strong {
  display: block;
  font-size: 0.9375rem;
  color: var(--brand-teal-dark);
}

.review-date {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Clinical Key Takeaways Box */
.key-takeaways {
  background-color: #F0FDF4;
  border-left: 4px solid #16A34A;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0 2rem;
}

.key-takeaways h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #15803D;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.key-takeaways ul {
  list-style: none;
  padding-left: 0;
}

.key-takeaways li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.9375rem;
  color: #166534;
  line-height: 1.5;
}

.key-takeaways li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #16A34A;
  font-weight: bold;
}

/* Emergency Red Alert Box */
.emergency-callout {
  background-color: var(--accent-emergency-bg);
  border-left: 4px solid var(--accent-emergency);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0;
}

.emergency-callout h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #991B1B;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.emergency-callout p {
  color: #7F1D1D;
  font-size: 0.875rem;
  margin: 0;
}

/* Article Prose Typography */
.article-prose {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: #334155;
}

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

.article-prose h2 {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--primary-navy);
  margin-top: 2.25rem;
  margin-bottom: 1rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border-color);
  letter-spacing: -0.01em;
}

.article-prose h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

.article-prose ul,
.article-prose ol {
  margin-bottom: 1.35rem;
  padding-left: 1.75rem;
}

.article-prose li {
  margin-bottom: 0.4rem;
}

/* Medical Data Tables */
.clinical-table-wrapper {
  overflow-x: auto;
  margin: 1.75rem 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.clinical-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  text-align: left;
}

.clinical-table th {
  background-color: var(--primary-navy);
  color: #FFFFFF;
  padding: 0.75rem 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.clinical-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

.clinical-table tr:nth-child(even) {
  background-color: #F8FAFC;
}

/* Sticky Table of Contents (Sidebar) */
.toc-sidebar {
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding: 1.25rem;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
}

.toc-title {
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 0.75rem;
  font-size: 0.9375rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.toc-list {
  list-style: none;
}

.toc-list li {
  margin-bottom: 0.5rem;
}

.toc-list a {
  color: var(--text-muted);
  text-decoration: none;
  display: block;
  line-height: 1.4;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  transition: all 0.15s;
}

.toc-list a:hover,
.toc-list a.active {
  color: var(--brand-teal);
  background-color: var(--brand-teal-light);
  font-weight: 600;
}

/* Right Sticky Sidebar (Ads & Widgets) */
.article-right-sidebar {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.sidebar-card h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.emergency-sidebar-box {
  background: var(--accent-emergency-bg);
  border-color: #FECACA;
}

.emergency-sidebar-box h4 {
  color: #991B1B;
}

/* FAQ Section */
.faq-section {
  margin: 2.5rem 0;
  padding-top: 1.5rem;
  border-top: 2px solid var(--border-color);
}

.faq-section h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary-navy);
  margin-bottom: 1.25rem;
}

.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.faq-question {
  padding: 1rem 1.25rem;
  font-weight: 700;
  color: var(--primary-navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  background: #FFFFFF;
}

.faq-question:hover {
  background: #F8FAFC;
  color: var(--brand-teal);
}

.faq-answer {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.9375rem;
  color: #475569;
  line-height: 1.6;
}

/* Author & Reviewer Full Box */
.author-bio-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin: 2.5rem 0;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.author-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid var(--brand-teal);
  flex-shrink: 0;
}

.author-info h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 0.25rem;
}

.author-title {
  font-size: 0.8125rem;
  color: var(--brand-teal-dark);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.author-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Scientific Citations Box */
.citations-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}

.citations-box h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.citations-list {
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding-left: 1.25rem;
  line-height: 1.6;
}

.citations-list li {
  margin-bottom: 0.35rem;
}

/* ----------------- Footer ----------------- */
.site-footer {
  background-color: var(--primary-navy);
  color: #94A3B8;
  font-size: 0.875rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: auto;
}

.footer-top {
  max-width: 1240px;
  margin: 0 auto;
  padding: 3.5rem 1.25rem 2rem;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
}

.footer-brand h3 {
  color: #FFFFFF;
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.85rem;
}

.footer-brand p {
  color: #94A3B8;
  line-height: 1.6;
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
}

.footer-address {
  font-style: normal;
  font-size: 0.8125rem;
  color: #CBD5E1;
  line-height: 1.5;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: #94A3B8;
  text-decoration: none;
  transition: color 0.15s;
}

.footer-links a:hover {
  color: #5EEAD4;
}

/* YMYL Medical Disclaimer in Footer */
.footer-disclaimer-box {
  max-width: 1240px;
  margin: 0 auto;
  padding: 1.25rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  margin-bottom: 2rem;
}

.footer-disclaimer-box h5 {
  color: #F8FAFC;
  font-size: 0.8125rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-disclaimer-box p {
  font-size: 0.75rem;
  line-height: 1.6;
  color: #94A3B8;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.25rem;
  text-align: center;
  font-size: 0.8125rem;
}

.footer-bottom-container {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-legal-inline {
  display: flex;
  gap: 1.25rem;
  list-style: none;
}

.footer-legal-inline a {
  color: #94A3B8;
  text-decoration: none;
}
.footer-legal-inline a:hover {
  color: #FFFFFF;
}

/* ----------------- Search Modal ----------------- */
.search-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(4px);
  z-index: 2000;
  align-items: flex-start;
  justify-content: center;
  padding: 4rem 1rem 1rem;
}

.search-modal.active {
  display: flex;
}

.search-dialog {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 680px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.search-header {
  display: flex;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  gap: 0.75rem;
}

.search-input {
  flex: 1;
  border: none;
  font-size: 1.125rem;
  color: var(--text-main);
  outline: none;
  font-family: inherit;
}

.search-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--text-muted);
  cursor: pointer;
}

.search-results {
  max-height: 420px;
  overflow-y: auto;
  padding: 0.5rem;
}

.search-item {
  display: block;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-main);
  transition: background 0.15s;
}

.search-item:hover {
  background: var(--bg-subtle);
}

.search-item-cat {
  font-size: 0.7rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--brand-teal);
  letter-spacing: 0.05em;
}

.search-item-title {
  font-weight: 600;
  font-size: 0.9375rem;
  margin-top: 0.2rem;
}

/* ----------------- Cookie Consent Banner ----------------- */
.cookie-banner {
  position: fixed;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  max-width: 580px;
  margin: 0 auto;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15);
  z-index: 1500;
  display: none;
  flex-direction: column;
  gap: 0.75rem;
}

.cookie-banner.active {
  display: flex;
}

.cookie-text {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.cookie-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.btn-cookie-accept {
  background: var(--brand-teal);
  color: #FFFFFF;
  border: none;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.8125rem;
  cursor: pointer;
}

.btn-cookie-decline {
  background: var(--bg-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.8125rem;
  cursor: pointer;
}

/* ----------------- Media Queries ----------------- */
@media (max-width: 1024px) {
  .article-container {
    grid-template-columns: 1fr 280px;
  }
  .toc-sidebar {
    display: none;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .hero-content h1 {
    font-size: 2.1rem;
  }
  .article-container {
    grid-template-columns: 1fr;
  }
  .article-right-sidebar {
    position: static;
  }
  .main-nav {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom-container {
    flex-direction: column;
    text-align: center;
  }
}