/* ==========================================================================
   BANKOKDETOX.INFO — PRODUCTION DESIGN SYSTEM
   Design DNA: D-010720-02 (archetype-content-sales-funnel)
   Color System: Color Forest Ivory
   Typography: Type Monospace Accent
   Layout System: Layout Zoned Sections
   Section Strategy: Sections Comparison
   Cards: Cards Flat Editorial
   CTA System: Cta Contained
   Target Geography: Thailand | Target Language: Thai
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@300;400;500;600;700&display=swap');

:root {
  /* Typography Tokens */
  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-serif: ui-serif, Georgia, serif;
  --font-mono: 'IBM Plex Mono', 'Space Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Color System: Color Forest Ivory */
  --color-bg: #F4F5F0;
  --color-surface: #FFFFFF;
  --color-primary-text: #14261C;
  --color-secondary-text: #4A5D52;
  --color-accent: #15803D;
  --color-border: #D3DBD6;
  --color-muted-bg: #E6EBE7;
  --color-interactive: #166534;
  --color-interactive-hover: #0f5127;
  --color-alert-bg: #FEF3C7;
  --color-alert-border: #F59E0B;
  --color-alert-text: #92400E;
  --color-highlight-bg: #ECFDF5;

  /* Spacing Tokens (Density Dense Profile) */
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 18px;
  --space-lg: 28px;
  --space-xl: 40px;
  --space-2xl: 60px;

  /* Container & Max Widths */
  --max-content-width: 1180px;
  --text-reading-width: 72ch;
  --header-height: 72px;

  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.25s ease-in-out;
}

/* --------------------------------------------------------------------------
   01. Reset & Global Box Sizing (Strict Mobile-First Assurance)
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  overflow-x: hidden;
  background-color: var(--color-bg);
  color: var(--color-primary-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Accessibility: Skip Link */
.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  background: var(--color-interactive);
  color: #FFFFFF;
  padding: 12px 20px;
  z-index: 99999;
  font-weight: 600;
  border-radius: 4px;
  text-decoration: none;
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: 16px;
  outline: 3px solid var(--color-primary-text);
}

/* Media handling */
img, picture, svg, video, iframe {
  display: block;
  max-width: 100%;
  height: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--color-interactive-hover);
}
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   02. Typography (type-monospace-accent)
   Headings: var(--font-mono)
   Body: var(--font-sans)
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-mono);
  color: var(--color-primary-text);
  letter-spacing: -0.02em;
  font-weight: 500;
  line-height: 1.25;
}

h1 {
  font-size: 2.25rem;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h2 {
  font-size: 1.65rem;
  line-height: 1.25;
  margin-bottom: var(--space-sm);
}

h3 {
  font-size: 1.25rem;
  line-height: 1.3;
  margin-bottom: var(--space-xs);
}

h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-primary-text);
  max-width: var(--text-reading-width);
}

p.lead {
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--color-secondary-text);
}

small, .text-sm {
  font-size: 0.875rem;
  color: var(--color-secondary-text);
}

.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  display: inline-block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   03. Semantic Layout Elements (<header>, <nav>, <main>, <footer>, <section>)
   -------------------------------------------------------------------------- */
header {
  width: 100%;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0 var(--space-md);
}

.header-inner {
  max-width: var(--max-content-width);
  margin: 0 auto;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-primary-text);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
}
.brand-logo svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}
.brand-logo span.dot {
  color: var(--color-accent);
}

nav {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-primary-text);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 4px;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-interactive);
  background-color: var(--color-muted-bg);
}

.nav-cta {
  background-color: var(--color-accent);
  color: #FFFFFF !important;
  font-family: var(--font-mono);
  font-size: 0.875rem !important;
  font-weight: 600 !important;
  padding: 10px 18px !important;
  border-radius: 4px;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  box-shadow: 0 1px 3px rgba(20, 38, 28, 0.15);
  transition: background-color var(--transition-fast) !important;
}
.nav-cta:hover {
  background-color: var(--color-interactive-hover) !important;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 8px 12px;
  cursor: pointer;
  color: var(--color-primary-text);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  min-width: 44px;
  justify-content: center;
}

main {
  width: 100%;
  display: block;
  min-height: 70vh;
}

section {
  width: 100%;
  padding: var(--space-xl) var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

/* Layout Zoned Sections Alternating Surfaces */
section.zone-surface {
  background-color: var(--color-surface);
}
section.zone-muted {
  background-color: var(--color-muted-bg);
}
section.zone-ivory {
  background-color: var(--color-bg);
}
section.zone-accent-light {
  background-color: var(--color-highlight-bg);
}

.section-container {
  max-width: var(--max-content-width);
  margin: 0 auto;
}

/* Section Header pattern */
.section-header {
  margin-bottom: var(--space-lg);
  max-width: var(--text-reading-width);
}

footer {
  width: 100%;
  background-color: var(--color-primary-text);
  color: #E2E8F0;
  border-top: 2px solid var(--color-accent);
  padding: var(--space-2xl) var(--space-md) var(--space-lg);
}

.footer-container {
  max-width: var(--max-content-width);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: #FFFFFF;
  margin-bottom: var(--space-md);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: var(--space-xs);
}
.footer-links a {
  color: #CBD5E1;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
  display: inline-block;
  padding: 4px 0;
}
.footer-links a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: var(--space-lg);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  font-size: 0.85rem;
  color: #94A3B8;
}

.footer-bottom a {
  color: #E2E8F0;
  text-decoration: none;
}
.footer-bottom a:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   04. Hero System (hero-text-first)
   Brutalist, text pushed to edges, minimal clutter, strong typography
   -------------------------------------------------------------------------- */
.hero-block {
  padding: var(--space-2xl) 0 var(--space-xl);
  border-bottom: 2px solid var(--color-primary-text);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-xl);
  align-items: center;
}
.hero-text-wrap {
  text-align: left;
}
.hero-text-wrap h1 {
  font-size: 2.75rem;
  line-height: 1.15;
  margin-bottom: var(--space-md);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

/* Single Asset Container */
.hero-visual-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-sm);
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(20, 38, 28, 0.06);
}
.hero-visual-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 4px;
}
.hero-visual-caption {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-secondary-text);
  padding: var(--space-xs) 4px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* --------------------------------------------------------------------------
   05. Card System (Cards Flat Editorial)
   Flat editorial blocks, 1px borders, subtle surface shifts, no harsh shadows
   -------------------------------------------------------------------------- */
.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}
.card-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}
.card:hover {
  border-color: var(--color-accent);
}

.card-header {
  margin-bottom: var(--space-sm);
}
.card-title {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--color-primary-text);
  margin-bottom: var(--space-xs);
}
.card-body {
  flex-grow: 1;
}
.card-body p {
  font-size: 0.95rem;
  color: var(--color-secondary-text);
  margin-bottom: var(--space-sm);
}
.card-footer {
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px dashed var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* Card variant: Muted */
.card.card-muted {
  background-color: var(--color-muted-bg);
  border-color: #CBD5E1;
}

/* --------------------------------------------------------------------------
   06. Article System (Article Data Supported)
   Table of contents, pull quotes, highlight callouts, metric badges
   -------------------------------------------------------------------------- */
.article-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.article-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 20px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-md);
  border-radius: 4px;
}
.article-sidebar h3 {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}
.article-toc {
  list-style: none;
}
.article-toc li {
  margin-bottom: 8px;
}
.article-toc a {
  font-size: 0.875rem;
  color: var(--color-secondary-text);
  text-decoration: none;
  display: block;
  padding: 4px 6px;
  border-radius: 3px;
  border-left: 2px solid transparent;
}
.article-toc a:hover, .article-toc a.active {
  color: var(--color-interactive);
  background-color: var(--color-muted-bg);
  border-left-color: var(--color-accent);
}

.article-content {
  max-width: var(--text-reading-width);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-secondary-text);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.pull-quote {
  border-left: 4px solid var(--color-accent);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-lg) 0;
  background-color: var(--color-surface);
  border-radius: 0 4px 4px 0;
  font-style: italic;
  font-size: 1.15rem;
  color: var(--color-primary-text);
  line-height: 1.6;
}
.pull-quote cite {
  display: block;
  margin-top: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-style: normal;
  color: var(--color-secondary-text);
}

.callout-box {
  background-color: var(--color-surface);
  border-left: 4px solid var(--color-interactive);
  border-top: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-lg) 0;
  border-radius: 0 4px 4px 0;
}
.callout-box h4 {
  color: var(--color-interactive);
  margin-bottom: var(--space-xs);
}

/* Data summary stat box */
.stat-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}
.stat-box {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-md);
  border-radius: 4px;
  text-align: center;
}
.stat-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1.1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--color-secondary-text);
}

/* --------------------------------------------------------------------------
   07. Conversion Bridge Block (Блок-міст)
   Crucial rule: Must conclude EVERY informational article.
   Connects the pain point directly to order.html
   -------------------------------------------------------------------------- */
.conversion-bridge {
  background-color: var(--color-surface);
  border: 2px solid var(--color-accent);
  border-radius: 6px;
  padding: var(--space-xl);
  margin-top: var(--space-2xl);
  box-shadow: 0 4px 16px rgba(21, 128, 61, 0.08);
  position: relative;
}
.bridge-tag {
  background-color: var(--color-accent);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
}
.bridge-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-lg);
  align-items: center;
}
.bridge-content h3 {
  font-size: 1.5rem;
  color: var(--color-primary-text);
  margin-bottom: var(--space-xs);
}
.bridge-content p {
  color: var(--color-secondary-text);
  margin-bottom: var(--space-sm);
  font-size: 1rem;
}
.bridge-action {
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   08. CTA System (Cta Contained)
   Clean buttons, clear contrasts, generous padding, responsive
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 4px;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  min-height: 48px;
  min-width: 44px;
  transition: all var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background-color: var(--color-interactive-hover);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-primary-text);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  background-color: var(--color-muted-bg);
  border-color: var(--color-secondary-text);
  color: var(--color-primary-text);
}

.btn-lg {
  font-size: 1.05rem;
  padding: 16px 32px;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* --------------------------------------------------------------------------
   09. Comparison Section / Tables (Sections Comparison)
   -------------------------------------------------------------------------- */
.comparison-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background-color: var(--color-surface);
  margin: var(--space-lg) 0;
  -webkit-overflow-scrolling: touch;
}

.comparison-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.comparison-table th {
  background-color: var(--color-muted-bg);
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-primary-text);
  font-size: 0.9rem;
}

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

.comparison-table tr:hover td {
  background-color: #FAFAF8;
}

.badge-check {
  color: var(--color-accent);
  font-weight: bold;
}
.badge-cross {
  color: #DC2626;
  font-weight: bold;
}

/* --------------------------------------------------------------------------
   10. Interactive Checklist Components
   -------------------------------------------------------------------------- */
.checklist-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-md);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.checklist-item:hover {
  border-color: var(--color-accent);
  background-color: #FAFAF8;
}
.checklist-item input[type="checkbox"] {
  width: 22px;
  height: 22px;
  margin-top: 2px;
  accent-color: var(--color-accent);
  cursor: pointer;
  flex-shrink: 0;
}
.checklist-item-content {
  flex-grow: 1;
}
.checklist-item-title {
  font-weight: 600;
  color: var(--color-primary-text);
  display: block;
  margin-bottom: 2px;
}
.checklist-item-desc {
  font-size: 0.875rem;
  color: var(--color-secondary-text);
  margin-bottom: 0;
}

.score-display-box {
  background-color: var(--color-highlight-bg);
  border: 2px dashed var(--color-accent);
  padding: var(--space-lg);
  border-radius: 6px;
  text-align: center;
  margin: var(--space-lg) 0;
}
.score-value {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-interactive);
}

/* --------------------------------------------------------------------------
   11. Order Page & Forms Architecture (order.html)
   -------------------------------------------------------------------------- */
.order-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.pricing-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.pricing-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  border-radius: 6px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pricing-card.selected,
.pricing-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent);
}

.pricing-card.featured {
  border-color: var(--color-accent);
  background-color: #FAFAF8;
}

.pricing-badge {
  position: absolute;
  top: -12px;
  right: 16px;
  background-color: var(--color-accent);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 3px;
  text-transform: uppercase;
}

.pricing-title {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
}

.pricing-price {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-interactive);
  margin-bottom: var(--space-xs);
}

.pricing-original {
  text-decoration: line-through;
  color: var(--color-secondary-text);
  font-size: 1rem;
  margin-right: 8px;
}

.order-form-container {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
  border-radius: 6px;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 6px;
  color: var(--color-primary-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background-color: #FFFFFF;
  color: var(--color-primary-text);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(21, 128, 61, 0.15);
}

.form-help {
  font-size: 0.8rem;
  color: var(--color-secondary-text);
  margin-top: 4px;
}

.form-error {
  color: #DC2626;
  font-size: 0.85rem;
  margin-top: 4px;
  display: none;
}

.guarantee-badges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.guarantee-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-md);
  border-radius: 4px;
}
.guarantee-item svg {
  width: 32px;
  height: 32px;
  color: var(--color-accent);
  flex-shrink: 0;
}
.guarantee-item h4 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}
.guarantee-item p {
  font-size: 0.8rem;
  color: var(--color-secondary-text);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   12. FAQ Accordion Pattern (details / summary)
   -------------------------------------------------------------------------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

details.faq-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0;
  transition: border-color var(--transition-fast);
}

details.faq-item[open] {
  border-color: var(--color-accent);
}

summary.faq-question {
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-primary-text);
}

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

summary.faq-question::after {
  content: "+";
  font-size: 1.35rem;
  font-family: var(--font-mono);
  color: var(--color-accent);
  transition: transform var(--transition-fast);
}

details.faq-item[open] summary.faq-question::after {
  content: "−";
}

.faq-answer {
  padding: 0 var(--space-lg) var(--space-md);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
}
.faq-answer p:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   13. Responsive Breakpoints (Strict Mobile Large Type Experience)
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
  .hero-grid,
  .order-hero-grid,
  .article-layout {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .article-sidebar {
    position: static;
    margin-bottom: var(--space-lg);
  }
  .card-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
    --space-xl: 32px;
    --space-2xl: 44px;
  }

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

  .mobile-nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--color-surface);
    border-bottom: 2px solid var(--color-accent);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-xs);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  }

  .nav-links.nav-open {
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    width: 100%;
    padding: 12px 16px;
    font-size: 1.05rem;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
    justify-content: center;
    margin-top: 8px;
    padding: 14px 18px !important;
  }

  .card-grid-3,
  .card-grid-2,
  .pricing-cards-grid,
  .guarantee-badges,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .bridge-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .btn {
    width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

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