/* ============================================================
   IVFFees.com — Complete Stylesheet
   Palette: Deep Purple #6B3FA0 + Warm Gold #E8A020
   Fonts: Playfair Display (headings) + Inter (body)
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-primary:    #6B3FA0;
  --color-primary-dk: #4E2C7A;
  --color-primary-lt: #8B5CC0;
  --color-accent:     #E8A020;
  --color-accent-dk:  #C8841A;
  --color-bg:         #F7F4FC;
  --color-surface:    #FFFFFF;
  --color-text:       #1A1A2E;
  --color-muted:      #6B6B8A;
  --color-border:     #E2D9F3;
  --color-border-lt:  #EDE7F6;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;

  --shadow-sm: 0 1px 4px rgba(107,63,160,0.08);
  --shadow-md: 0 4px 16px rgba(107,63,160,0.12);
  --shadow-lg: 0 8px 32px rgba(107,63,160,0.16);

  --max-width: 1200px;
  --content-width: 860px;

  --transition: 0.2s ease;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 17px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  color: var(--color-primary-dk);
  text-decoration: underline;
}

a:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 3px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--color-text);
  font-weight: 700;
}

h1 { font-size: 2.4rem; }
h2 { font-size: 1.85rem; }
h3 { font-size: 1.45rem; }
h4 { font-size: 1.15rem; }

p { margin-bottom: 1.15rem; }

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: 1.15rem;
}

li { margin-bottom: 0.4rem; }

strong { font-weight: 600; }

/* ---------- Skip Link ---------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 8px 16px;
  z-index: 9999;
  border-radius: 0 0 var(--radius-sm) 0;
  font-size: 0.9rem;
}
.skip-link:focus {
  top: 0;
}

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Trust Bar ---------- */
.trust-bar {
  background: var(--color-primary);
  color: rgba(255,255,255,0.92);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 7px 24px;
  text-align: center;
}

.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.trust-sep {
  opacity: 0.5;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--color-surface);
  border-bottom: 2px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

.logo-accent {
  color: var(--color-accent);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  flex-wrap: nowrap;
  overflow-x: auto;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background: var(--color-border-lt);
  text-decoration: none;
}

.btn-menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}

.btn-menu span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition);
}

/* ---------- Hero — Two-Column Layout ---------- */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dk) 100%);
  padding: 72px 0 80px;
  color: #fff;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 56px;
  align-items: center;
}

.hero-eyebrow {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-headline em {
  font-style: italic;
  color: var(--color-accent);
}

.hero-sub {
  font-size: 1.08rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.65;
  margin-bottom: 32px;
  max-width: 480px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: #1A1A2E;
  font-weight: 700;
  font-size: 0.97rem;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 12px rgba(232,160,32,0.35);
}

.btn-primary:hover {
  background: var(--color-accent-dk);
  color: #1A1A2E;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(232,160,32,0.4);
  text-decoration: none;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.97rem;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-primary);
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
}

/* Hero Stats Panel */
.hero-stats {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stat-card {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  border-left: 4px solid var(--color-accent);
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
  font-weight: 500;
}

/* ---------- Categories Section ---------- */
.categories-section {
  padding: 64px 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--color-text);
  margin-bottom: 32px;
  position: relative;
  padding-bottom: 12px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}

/* Horizontal pill cards */
.category-pills {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.category-pill {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  text-decoration: none;
  transition: border-left-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.category-pill:hover {
  border-left-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
  text-decoration: none;
}

.pill-icon {
  font-size: 1.1rem;
  color: var(--color-primary);
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-border-lt);
  border-radius: 50%;
}

.category-pill div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.category-pill strong {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.category-pill span {
  font-size: 0.83rem;
  color: var(--color-muted);
}

/* ---------- Latest Guides Section ---------- */
.latest-section {
  padding: 64px 0 80px;
  background: var(--color-bg);
}

/* Guide card grid */
.guides-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

/* Article card with purple left border */
.guide-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
}

.guide-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-link {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.guide-card .card-body {
  padding: 20px 20px 18px;
  position: relative;
  z-index: 2;
}

.card-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  background: var(--color-border-lt);
  border-radius: 4px;
  padding: 3px 8px;
  margin-bottom: 10px;
}

.guide-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 8px;
}

.guide-card h3 a {
  color: var(--color-text);
  text-decoration: none;
}

.guide-card h3 a:hover {
  color: var(--color-primary);
}

.card-desc {
  font-size: 0.87rem;
  color: var(--color-muted);
  line-height: 1.55;
  margin-bottom: 12px;
}

.card-meta {
  font-size: 0.78rem;
  color: var(--color-muted);
}

.view-all-wrap {
  text-align: center;
  padding-top: 8px;
}

/* ---------- List Page Header ---------- */
.list-header {
  padding: 48px 0 36px;
}

.list-header h1 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  margin-bottom: 8px;
}

.list-desc {
  color: var(--color-muted);
  font-size: 1rem;
}

/* ---------- Article Header ---------- */
.article-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 40px 0 32px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-bottom: 18px;
}

.breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb svg {
  display: inline;
  vertical-align: middle;
  color: var(--color-border);
}

.article-category-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-primary);
  background: var(--color-border-lt);
  border-radius: 4px;
  padding: 4px 10px;
  margin-bottom: 16px;
}

.article-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-text);
  max-width: 760px;
  margin-bottom: 20px;
}

.article-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 28px;
}

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

.author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.78rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.author-chip strong {
  display: block;
  font-size: 0.88rem;
  color: var(--color-text);
}

.author-chip div {
  font-size: 0.78rem;
  color: var(--color-muted);
}

.meta-divider {
  color: var(--color-border);
}

.med-reviewed-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #E8F5E9;
  color: #2E7D32;
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 0.78rem;
  font-weight: 600;
}

.article-infographic {
  margin-top: 24px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

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

/* ---------- Article Layout with Sidebar ---------- */
.section-sm {
  padding: 48px 0 80px;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}

/* ---------- Article Body ---------- */
.article-body {
  min-width: 0;
}

.article-body h2 {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  color: var(--color-text);
  margin: 2rem 0 0.85rem;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}

.article-body h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-text);
  margin: 1.75rem 0 0.65rem;
}

.article-body h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 1.4rem 0 0.5rem;
}

.article-body p {
  margin-bottom: 1.15rem;
}

.article-body ul,
.article-body ol {
  margin-bottom: 1.15rem;
  padding-left: 1.5rem;
}

.article-body li {
  margin-bottom: 0.45rem;
  line-height: 1.65;
}

.article-body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: var(--color-border);
  transition: text-decoration-color var(--transition);
}

.article-body a:hover {
  text-decoration-color: var(--color-primary);
}

.article-body blockquote {
  border-left: 4px solid var(--color-accent);
  background: var(--color-border-lt);
  padding: 16px 20px;
  margin: 1.5rem 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
}

/* Cost Table */
.cost-table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.cost-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  background: var(--color-surface);
}

.cost-table th {
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.83rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 12px 16px;
  text-align: left;
}

.cost-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.cost-table tr:last-child td {
  border-bottom: none;
}

.cost-table tr:nth-child(even) td {
  background: var(--color-bg);
}

/* markdown table inside costtable shortcode */
.cost-table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  background: var(--color-surface);
}

.cost-table-wrap table th {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.83rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 12px 16px;
  text-align: left;
}

.cost-table-wrap table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border);
}

.cost-table-wrap table tr:last-child td {
  border-bottom: none;
}

.cost-table-wrap table tr:nth-child(even) td {
  background: var(--color-bg);
}

/* Key Box */
.key-box {
  background: linear-gradient(135deg, #EDE7F6 0%, #F3EEF9 100%);
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 1.5rem 0;
}

.key-box strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.key-box p {
  margin-bottom: 0;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Warn Box */
.warn-box {
  background: #FFF8E1;
  border: 1px solid #FFD54F;
  border-left: 5px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 1.5rem 0;
}

.warn-box strong {
  display: block;
  color: #7B5800;
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.warn-box p {
  margin-bottom: 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: #5D4037;
}

/* Disclaimer */
.disclaimer-box {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 0.83rem;
  color: var(--color-muted);
  margin-bottom: 28px;
  line-height: 1.55;
}

.disclaimer-box strong {
  color: var(--color-text);
}

/* ---------- Sidebar ---------- */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 80px;
}

.sidebar-cta {
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-dk) 100%);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  color: #fff;
}

.sidebar-cta h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 10px;
}

.sidebar-cta p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.88);
  margin-bottom: 0;
  line-height: 1.6;
}

.sidebar-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 20px;
}

.sidebar-box h4 {
  font-family: var(--font-heading);
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-border);
}

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

.sidebar-facts li {
  font-size: 0.85rem;
  color: var(--color-muted);
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border-lt);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.sidebar-facts li:last-child {
  border-bottom: none;
}

.sidebar-facts strong {
  color: var(--color-text);
  font-weight: 600;
}

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

.sidebar-links li {
  margin: 0;
  border-bottom: 1px solid var(--color-border-lt);
}

.sidebar-links li:last-child {
  border-bottom: none;
}

.sidebar-links a {
  display: block;
  font-size: 0.85rem;
  color: var(--color-muted);
  padding: 8px 0;
  text-decoration: none;
  transition: color var(--transition), padding-left var(--transition);
}

.sidebar-links a:hover {
  color: var(--color-primary);
  padding-left: 6px;
  text-decoration: none;
}

/* ---------- Author Bio ---------- */
.author-bio {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 40px;
}

.author-bio-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.author-bio h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 4px;
}

.author-bio .role {
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.author-bio p {
  font-size: 0.88rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ---------- Related Guides ---------- */
.related-section {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 2px solid var(--color-border);
}

.related-section h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.related-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.related-card .card-body {
  padding: 16px;
}

.related-card h4 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  margin-bottom: 6px;
  line-height: 1.3;
}

.related-card h4 a {
  color: var(--color-text);
  text-decoration: none;
}

.related-card h4 a:hover {
  color: var(--color-primary);
}

.related-card p {
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-bottom: 0;
}

/* ---------- FAQ Section ---------- */
.faq-section {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 2px solid var(--color-border);
}

.faq-section h2 {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  margin-bottom: 24px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.faq-item[open] {
  box-shadow: var(--shadow-sm);
}

.faq-q {
  font-weight: 600;
  font-size: 0.97rem;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  background: var(--color-bg);
  transition: background var(--transition);
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-q::-webkit-details-marker { display: none; }

.faq-q::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--color-primary);
  flex-shrink: 0;
}

.faq-item[open] .faq-q::after {
  content: '−';
}

.faq-q:hover {
  background: var(--color-border-lt);
}

.faq-a {
  padding: 16px 20px 20px;
  font-size: 0.93rem;
  line-height: 1.65;
  color: var(--color-text);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.faq-a p { margin-bottom: 0.75rem; }
.faq-a p:last-child { margin-bottom: 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.75);
  padding: 56px 0 0;
  margin-top: 0;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 48px;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  text-decoration: none;
}

.footer-logo span {
  color: var(--color-accent);
}

.footer-brand p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
  margin-bottom: 0;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: rgba(255,255,255,0.55);
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  font-size: 0.87rem;
  color: rgba(255,255,255,0.72);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.footer-bottom {
  background: rgba(0,0,0,0.25);
  padding: 16px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
  margin: 0;
}

/* ---------- Utility ---------- */
.mb-24 { margin-bottom: 24px; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Responsive: Tablet (1024px) ---------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr 340px;
    gap: 40px;
  }

  .guides-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-nav {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- Responsive: Mobile (768px) ---------- */
@media (max-width: 768px) {
  html { font-size: 16px; }

  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.5rem; }

  .trust-bar-inner {
    flex-direction: column;
    gap: 4px;
    text-align: center;
  }

  .trust-sep { display: none; }

  .main-nav { display: none; }

  .btn-menu {
    display: flex;
    margin-left: auto;
  }

  .main-nav.nav-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 24px;
    gap: 4px;
    z-index: 99;
    box-shadow: var(--shadow-md);
  }

  .main-nav.nav-open .nav-link {
    padding: 10px 12px;
    width: 100%;
  }

  .hero {
    padding: 48px 0 56px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-headline {
    font-size: 2.1rem;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .hero-stats {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px;
  }

  .stat-card {
    flex: 1 1 calc(50% - 6px);
    min-width: 130px;
  }

  .stat-value {
    font-size: 1.6rem;
  }

  .categories-section,
  .latest-section {
    padding: 40px 0;
  }

  .guides-grid {
    grid-template-columns: 1fr;
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    order: -1;
  }

  .article-title {
    font-size: 1.75rem;
  }

  .article-meta-row {
    gap: 8px;
  }

  .meta-divider { display: none; }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-bottom: 40px;
  }

  .footer-nav {
    grid-template-columns: repeat(2, 1fr);
  }

  .author-bio {
    flex-direction: column;
  }

  .category-pill:hover {
    transform: none;
  }
}

/* ---------- Responsive: Small Mobile (480px) ---------- */
@media (max-width: 480px) {
  .container { padding: 0 16px; }

  .hero-headline { font-size: 1.8rem; }

  .hero-stats {
    flex-direction: column;
  }

  .stat-card { flex: 1 1 100%; }

  .footer-nav {
    grid-template-columns: 1fr;
  }
}

/* ---------- Print Styles ---------- */
@media print {
  .site-header,
  .trust-bar,
  .sidebar,
  .footer,
  .site-footer,
  .related-section,
  .author-bio,
  .btn-primary,
  .btn-outline {
    display: none !important;
  }

  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  a { color: #000; text-decoration: underline; }

  .cost-table-wrap {
    page-break-inside: avoid;
  }
}