/* ================================================================================
   CAFFEINECHECK.COM — UNIFIED STYLE SYSTEM
   Prefix: cafc- | Version: V10.1-patch-5
   Primary: #1a3a5c | Secondary: #f5f0e8 | Accent: #c75b2a
   Layouts: Home-H / Tools-G / Blog-A / Article-C / Tool-G / About-B / Contact-D / FAQ-A
   ================================================================================ */

/* ── CSS Variables ── */
:root {
  --cafc-primary: #1a3a5c;
  --cafc-primary-dark: #122940;
  --cafc-primary-light: #2a5080;
  --cafc-secondary: #f5f0e8;
  --cafc-secondary-dark: #e8e0d4;
  --cafc-accent: #c75b2a;
  --cafc-accent-hover: #a84a20;
  --cafc-text: #1a1a1a;
  --cafc-text-muted: #6b7280;
  --cafc-text-inverse: #ffffff;
  --cafc-bg: #ffffff;
  --cafc-bg-warm: #faf8f5;
  --cafc-border: #e5e0d8;
  --cafc-border-strong: #d1ccc4;
  --cafc-radius: 6px;
  --cafc-radius-lg: 10px;
  --cafc-shadow: 0 2px 8px rgba(26, 58, 92, 0.08);
  --cafc-shadow-hover: 0 8px 24px rgba(26, 58, 92, 0.14);
  --cafc-font: "Inter", system-ui, -apple-system, sans-serif;
  --cafc-font-mono: "JetBrains Mono", "Fira Code", monospace;
  --cafc-transition: all 0.25s ease;
  --cafc-max-width: 1200px;
  --cafc-article-width: 800px;
  --cafc-ad-height: 250px;
  --cafc-ad-bg: #f0ece4;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--cafc-font);
  color: var(--cafc-text);
  background: var(--cafc-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: var(--cafc-accent);
}

/* ── Container ── */
.cafc-container {
  width: 100%;
  max-width: var(--cafc-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.cafc-container-narrow {
  width: 100%;
  max-width: var(--cafc-article-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Navigation ── */
.cafc-nav {
  background: var(--cafc-primary);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(26, 58, 92, 0.15);
}

.cafc-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.cafc-logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--cafc-text-inverse);
  letter-spacing: -0.02em;
}

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

.cafc-nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.cafc-nav-links a {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.5rem 0;
  position: relative;
}

.cafc-nav-links a:hover,
.cafc-nav-links a.active {
  color: #ffffff;
}

.cafc-nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--cafc-accent);
  border-radius: 1px;
}

.cafc-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* ── Ad Slots ── */
.cafc-ad-slot {
  display: none;
  width: 100%;
  height: var(--cafc-ad-height);
  margin: 2rem auto;
  border-radius: 8px;
  background: var(--cafc-ad-bg);
  overflow: hidden;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--cafc-border-strong);
}

.cafc-ad-slot.has-content {
  display: flex;
}

.cafc-ad-slot span {
  color: var(--cafc-text-muted);
  font-size: 0.85rem;
  font-family: var(--cafc-font-mono);
  letter-spacing: 0.05em;
}

.cafc-ad-slot.middle {
  margin: 3rem auto;
}

/* Article page ads: narrower */
.cafc-article-container .cafc-ad-slot,
.cafc-container-narrow .cafc-ad-slot {
  max-width: var(--cafc-article-width);
}

/* Home / Tools / Blog ads: full container width */
.cafc-container .cafc-ad-slot {
  max-width: var(--cafc-max-width);
}

/* ── Hero Section (Home Layout H: Interactive Experiment) ── */
.cafc-hero {
  background: linear-gradient(135deg, var(--cafc-primary) 0%, var(--cafc-primary-light) 100%);
  color: var(--cafc-text-inverse);
  padding: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.cafc-hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(199, 91, 42, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cafc-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.cafc-hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}

.cafc-hero-subtitle {
  font-size: 1.15rem;
  opacity: 0.85;
  margin-bottom: 2rem;
  max-width: 480px;
}

.cafc-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--cafc-accent);
  color: #ffffff;
  padding: 0.875rem 1.75rem;
  border-radius: var(--cafc-radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--cafc-transition);
}

.cafc-hero-cta:hover {
  background: var(--cafc-accent-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(199, 91, 42, 0.3);
}

.cafc-hero-visual {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--cafc-radius-lg);
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
}

.cafc-hero-demo-input {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.cafc-hero-demo-input input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border-radius: var(--cafc-radius);
  font-family: var(--cafc-font);
  font-size: 0.95rem;
}

.cafc-hero-demo-input input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.cafc-hero-demo-input button {
  background: var(--cafc-accent);
  color: #ffffff;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--cafc-radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--cafc-transition);
}

.cafc-hero-demo-input button:hover {
  background: var(--cafc-accent-hover);
}

.cafc-hero-demo-result {
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--cafc-radius);
  padding: 1rem 1.25rem;
  font-family: var(--cafc-font-mono);
  font-size: 0.85rem;
  border-left: 3px solid var(--cafc-accent);
}

/* ── Stats Bar ── */
.cafc-stats {
  background: var(--cafc-secondary);
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--cafc-border);
}

.cafc-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.cafc-stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--cafc-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
  font-family: var(--cafc-font-mono);
}

.cafc-stat-label {
  font-size: 0.85rem;
  color: var(--cafc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── Section Headers ── */
.cafc-section-header {
  margin-bottom: 2.5rem;
}

.cafc-section-header h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--cafc-primary);
  margin-bottom: 0.5rem;
}

.cafc-section-header p {
  color: var(--cafc-text-muted);
  font-size: 1rem;
}

/* ── Tool Cards (Home + Tools Home) ── */
.cafc-tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.cafc-tool-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

/* ── Article Cards ── */
.cafc-article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.cafc-article-grid-magazine {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}

/* ── Whole Card Clickable ── */
a.cafc-article-card,
a.cafc-tool-card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  background: var(--cafc-bg);
  border-radius: var(--cafc-radius-lg);
  overflow: hidden;
  box-shadow: var(--cafc-shadow);
  transition: var(--cafc-transition);
  border: 1px solid var(--cafc-border);
}

a.cafc-article-card:hover,
a.cafc-tool-card:hover {
  box-shadow: var(--cafc-shadow-hover);
  transform: translateY(-4px);
  border-color: var(--cafc-border-strong);
}

a.cafc-article-card img,
a.cafc-article-card p,
a.cafc-article-card span,
a.cafc-article-card h3,
a.cafc-article-card .cafc-card-meta,
a.cafc-tool-card img,
a.cafc-tool-card p,
a.cafc-tool-card span,
a.cafc-tool-card h3,
a.cafc-tool-card .cafc-card-meta {
  pointer-events: none;
}

.cafc-card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--cafc-secondary);
}

.cafc-card-body {
  padding: 1.25rem;
}

.cafc-card-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cafc-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.cafc-card-body p {
  font-size: 0.9rem;
  color: var(--cafc-text-muted);
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.cafc-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--cafc-text-muted);
}

.cafc-card-meta .cafc-tag {
  background: var(--cafc-secondary);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--cafc-primary);
}

/* ── Inline Tool Cards (Article Content) ── */
a.cafc-inline-tool {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  background: var(--cafc-bg-warm);
  border: 1px solid var(--cafc-border);
  border-radius: var(--cafc-radius-lg);
  padding: 1.25rem;
  margin: 1.5rem 0;
  transition: var(--cafc-transition);
  box-shadow: var(--cafc-shadow);
}

a.cafc-inline-tool:hover {
  border-color: var(--cafc-accent);
  box-shadow: var(--cafc-shadow-hover);
  transform: translateY(-2px);
}

a.cafc-inline-tool .cafc-inline-tool-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--cafc-primary);
  color: #ffffff;
  border-radius: var(--cafc-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  pointer-events: none;
}

a.cafc-inline-tool .cafc-inline-tool-text {
  flex: 1;
  pointer-events: none;
}

a.cafc-inline-tool .cafc-inline-tool-text h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cafc-primary);
  margin-bottom: 0.35rem;
  pointer-events: none;
}

a.cafc-inline-tool .cafc-inline-tool-text p {
  font-size: 0.9rem;
  color: var(--cafc-text-muted);
  line-height: 1.5;
  pointer-events: none;
}

a.cafc-inline-tool .cafc-inline-tool-privacy {
  font-size: 0.8rem;
  color: var(--cafc-text-muted);
  margin-top: 0.5rem;
  font-style: italic;
  pointer-events: none;
}

/* ── Article Page Layout (Layout C: Story Narrative) ── */
.cafc-article-header {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--cafc-border);
  margin-bottom: 2rem;
}

.cafc-article-header h1 {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--cafc-primary);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.cafc-article-meta {
  display: flex;
  gap: 1rem;
  align-items: center;
  font-size: 0.9rem;
  color: var(--cafc-text-muted);
}

.cafc-article-meta .cafc-author-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.cafc-article-content {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--cafc-text);
}

.cafc-article-content p {
  margin-bottom: 1.25rem;
}

.cafc-article-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cafc-primary);
  margin: 2.5rem 0 1rem;
}

.cafc-article-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--cafc-primary-light);
  margin: 2rem 0 0.75rem;
}

.cafc-article-content blockquote {
  border-left: 4px solid var(--cafc-accent);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--cafc-text-muted);
}

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

.cafc-article-content li {
  margin-bottom: 0.5rem;
}

.cafc-article-content img {
  border-radius: var(--cafc-radius-lg);
  margin: 1.5rem 0;
  box-shadow: var(--cafc-shadow);
}

/* ── Article Tail: Two-Column Visual Balance ── */
.cafc-article-tail {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--cafc-border);
}

.cafc-related-articles h3,
.cafc-recommended-tools h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cafc-primary);
  margin-bottom: 1.25rem;
}

.cafc-related-list,
.cafc-tool-list {
  list-style: none;
}

.cafc-related-list li,
.cafc-tool-list li {
  margin-bottom: 0.75rem;
}

.cafc-related-list a,
.cafc-tool-list a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--cafc-bg-warm);
  border-radius: var(--cafc-radius);
  border: 1px solid var(--cafc-border);
  transition: var(--cafc-transition);
}

.cafc-related-list a:hover,
.cafc-tool-list a:hover {
  border-color: var(--cafc-accent);
  background: var(--cafc-secondary);
}

.cafc-related-list img {
  width: 60px;
  height: 45px;
  object-fit: cover;
  border-radius: var(--cafc-radius);
  pointer-events: none;
}

.cafc-related-list span,
.cafc-tool-list span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--cafc-primary);
  pointer-events: none;
}

/* ── Author Box ── */
.cafc-author-box {
  display: flex;
  gap: 1.25rem;
  background: var(--cafc-bg-warm);
  border: 1px solid var(--cafc-border);
  border-radius: var(--cafc-radius-lg);
  padding: 1.5rem;
  margin: 2rem 0;
}

.cafc-author-box img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  pointer-events: none;
}

.cafc-author-box h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cafc-primary);
  margin-bottom: 0.25rem;
}

.cafc-author-box p {
  font-size: 0.9rem;
  color: var(--cafc-text-muted);
  line-height: 1.5;
}

/* ── Breadcrumb Navigation ── */
.cafc-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--cafc-text-muted);
  padding: 1rem 0;
}

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

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

.cafc-breadcrumb span {
  color: var(--cafc-text-muted);
}

/* ── Tool Detail Page Styles ── */
.cafc-tool-hero {
  background: var(--cafc-primary);
  color: var(--cafc-text-inverse);
  padding: 3rem 0 2rem;
}

.cafc-tool-hero h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.cafc-tool-hero p {
  opacity: 0.85;
  max-width: 600px;
}

.cafc-tool-panel {
  background: var(--cafc-bg);
  border: 1px solid var(--cafc-border);
  border-radius: var(--cafc-radius-lg);
  padding: 2rem;
  margin: 2rem 0;
}

.cafc-form-group {
  margin-bottom: 1.25rem;
}

.cafc-form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--cafc-primary);
  margin-bottom: 0.5rem;
}

.cafc-form-group input,
.cafc-form-group select,
.cafc-form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--cafc-border);
  border-radius: var(--cafc-radius);
  font-family: var(--cafc-font);
  font-size: 0.95rem;
  background: var(--cafc-bg);
  transition: var(--cafc-transition);
}

.cafc-form-group input:focus,
.cafc-form-group select:focus,
.cafc-form-group textarea:focus {
  outline: none;
  border-color: var(--cafc-primary);
  box-shadow: 0 0 0 3px rgba(26, 58, 92, 0.1);
}

.cafc-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--cafc-radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--cafc-transition);
  border: none;
}

.cafc-btn-primary {
  background: var(--cafc-primary);
  color: #ffffff;
}

.cafc-btn-primary:hover {
  background: var(--cafc-primary-light);
  color: #ffffff;
}

.cafc-btn-accent {
  background: var(--cafc-accent);
  color: #ffffff;
}

.cafc-btn-accent:hover {
  background: var(--cafc-accent-hover);
  color: #ffffff;
}

.cafc-btn-secondary {
  background: var(--cafc-secondary);
  color: var(--cafc-primary);
  border: 1px solid var(--cafc-border);
}

.cafc-btn-secondary:hover {
  background: var(--cafc-secondary-dark);
}

.cafc-btn-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

/* ── Tool Results ── */
.cafc-result-box {
  background: var(--cafc-bg-warm);
  border: 1px solid var(--cafc-border);
  border-radius: var(--cafc-radius-lg);
  padding: 1.5rem;
  margin-top: 1.5rem;
  display: none;
}

.cafc-result-box.active {
  display: block;
}

.cafc-result-box h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cafc-primary);
  margin-bottom: 1rem;
}

.cafc-result-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--cafc-accent);
  font-family: var(--cafc-font-mono);
}

/* ── Charts ── */
.cafc-chart-container {
  width: 100%;
  height: 300px;
  margin: 1.5rem 0;
  background: var(--cafc-bg);
  border: 1px solid var(--cafc-border);
  border-radius: var(--cafc-radius-lg);
  padding: 1rem;
}

/* ── History Table ── */
.cafc-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.9rem;
}

.cafc-table th,
.cafc-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--cafc-border);
}

.cafc-table th {
  font-weight: 600;
  color: var(--cafc-primary);
  background: var(--cafc-bg-warm);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cafc-table tr:hover td {
  background: var(--cafc-bg-warm);
}

/* ── Comparison Feature ── */
.cafc-comparison-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0.75rem 0;
}

.cafc-comparison-label {
  width: 120px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--cafc-primary);
  flex-shrink: 0;
}

.cafc-comparison-track {
  flex: 1;
  height: 24px;
  background: var(--cafc-secondary);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
}

.cafc-comparison-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cafc-primary), var(--cafc-primary-light));
  border-radius: 12px;
  transition: width 0.6s ease;
}

.cafc-comparison-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cafc-primary);
  font-family: var(--cafc-font-mono);
  min-width: 60px;
  text-align: right;
}

/* ── FAQ Accordion ── */
.cafc-faq-item {
  border: 1px solid var(--cafc-border);
  border-radius: var(--cafc-radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.cafc-faq-question {
  width: 100%;
  padding: 1rem 1.25rem;
  background: var(--cafc-bg-warm);
  border: none;
  text-align: left;
  font-weight: 600;
  font-size: 1rem;
  color: var(--cafc-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--cafc-transition);
}

.cafc-faq-question:hover {
  background: var(--cafc-secondary);
}

.cafc-faq-question::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--cafc-accent);
  transition: transform 0.3s ease;
}

.cafc-faq-item.active .cafc-faq-question::after {
  transform: rotate(45deg);
}

.cafc-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.cafc-faq-item.active .cafc-faq-answer {
  max-height: 500px;
}

.cafc-faq-answer-inner {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.95rem;
  color: var(--cafc-text-muted);
  line-height: 1.6;
}

/* ── About Page (Layout B: Community Plaza) ── */
.cafc-about-hero {
  background: var(--cafc-secondary);
  padding: 4rem 0 3rem;
  text-align: center;
}

.cafc-about-hero img {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1.5rem;
  border: 4px solid var(--cafc-bg);
  box-shadow: var(--cafc-shadow-hover);
  pointer-events: none;
}

.cafc-about-hero h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--cafc-primary);
  margin-bottom: 0.5rem;
}

.cafc-about-hero .cafc-subtitle {
  color: var(--cafc-text-muted);
  font-size: 1.1rem;
}

.cafc-credentials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.cafc-credential-card {
  background: var(--cafc-bg);
  border: 1px solid var(--cafc-border);
  border-radius: var(--cafc-radius-lg);
  padding: 1.5rem;
  text-align: center;
}

.cafc-credential-card .cafc-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.cafc-credential-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--cafc-primary);
  margin-bottom: 0.35rem;
}

.cafc-credential-card p {
  font-size: 0.85rem;
  color: var(--cafc-text-muted);
}

/* ── Contact Page (Layout D: Minimal Cards) ── */
.cafc-contact-section {
  max-width: 600px;
  margin: 0 auto;
  padding: 3rem 0;
}

.cafc-contact-card {
  background: var(--cafc-bg-warm);
  border: 1px solid var(--cafc-border);
  border-radius: var(--cafc-radius-lg);
  padding: 2rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.cafc-contact-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--cafc-primary);
  margin-bottom: 0.75rem;
}

.cafc-contact-card p {
  color: var(--cafc-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.cafc-contact-card a {
  color: var(--cafc-accent);
  font-weight: 600;
  font-size: 1.1rem;
}

.cafc-disclaimer-box {
  background: #f3f0eb;
  border-left: 4px solid var(--cafc-text-muted);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--cafc-radius) var(--cafc-radius) 0;
  margin-top: 2rem;
  font-size: 0.9rem;
  color: var(--cafc-text-muted);
  line-height: 1.6;
}

/* ── 404 Page ── */
.cafc-error-page {
  text-align: center;
  padding: 6rem 1.5rem;
}

.cafc-error-code {
  font-size: 6rem;
  font-weight: 800;
  color: var(--cafc-primary);
  line-height: 1;
  margin-bottom: 1rem;
  font-family: var(--cafc-font-mono);
}

.cafc-error-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cafc-primary);
  margin-bottom: 1rem;
}

.cafc-error-quote {
  font-size: 1.1rem;
  color: var(--cafc-text-muted);
  font-style: italic;
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cafc-error-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Footer ── */
.cafc-footer {
  background: var(--cafc-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}

.cafc-footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}

.cafc-footer-col h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cafc-footer-col ul {
  list-style: none;
}

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

.cafc-footer-col a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  transition: var(--cafc-transition);
}

.cafc-footer-col a:hover {
  color: #ffffff;
}

.cafc-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

.cafc-back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--cafc-transition);
}

.cafc-back-to-top:hover {
  color: #ffffff;
}

/* ── Pagination / Load More ── */
.cafc-load-more {
  text-align: center;
  margin: 2.5rem 0;
}

.cafc-load-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  background: var(--cafc-bg);
  border: 2px solid var(--cafc-border);
  border-radius: var(--cafc-radius);
  color: var(--cafc-primary);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--cafc-transition);
}

.cafc-load-more-btn:hover {
  border-color: var(--cafc-primary);
  background: var(--cafc-bg-warm);
}

/* ── Utility ── */
.cafc-text-center { text-align: center; }
.cafc-mt-1 { margin-top: 0.5rem; }
.cafc-mt-2 { margin-top: 1rem; }
.cafc-mt-3 { margin-top: 1.5rem; }
.cafc-mt-4 { margin-top: 2rem; }
.cafc-mb-1 { margin-bottom: 0.5rem; }
.cafc-mb-2 { margin-bottom: 1rem; }
.cafc-mb-3 { margin-bottom: 1.5rem; }
.cafc-mb-4 { margin-bottom: 2rem; }
.cafc-hidden { display: none !important; }
.cafc-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 Breakpoints ── */

/* Tablet: 768px - 1023px */
@media (max-width: 1023px) {
  .cafc-hero-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .cafc-hero-title {
    font-size: 2.25rem;
  }

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

  .cafc-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

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

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

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

/* Mobile: < 768px */
@media (max-width: 767px) {
  .cafc-nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--cafc-primary);
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  }

  .cafc-nav-links.active {
    display: flex !important;
  }

  .cafc-nav-links li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .cafc-nav-links a {
    display: block;
    padding: 0.875rem 0;
  }

  .cafc-nav-toggle {
    display: block;
  }

  .cafc-hero {
    padding: 3rem 0 2.5rem;
  }

  .cafc-hero-title {
    font-size: 1.75rem;
  }

  .cafc-tool-grid,
  .cafc-article-grid,
  .cafc-stats-grid,
  .cafc-credentials,
  .cafc-footer-grid {
    grid-template-columns: 1fr;
  }

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

  .cafc-article-header h1 {
    font-size: 1.75rem;
  }

  .cafc-error-code {
    font-size: 4rem;
  }

  .cafc-section-header h2 {
    font-size: 1.4rem;
  }

  .cafc-container,
  .cafc-container-narrow {
    padding: 0 1rem;
  }
}

/* Small Mobile: < 480px */
@media (max-width: 479px) {
  .cafc-hero-title {
    font-size: 1.5rem;
  }

  .cafc-hero-demo-input {
    flex-direction: column;
  }

  .cafc-btn-group {
    flex-direction: column;
  }

  .cafc-btn {
    width: 100%;
    justify-content: center;
  }

  .cafc-author-box {
    flex-direction: column;
    text-align: center;
  }

  .cafc-author-box img {
    margin: 0 auto;
  }

  a.cafc-inline-tool {
    flex-direction: column;
    text-align: center;
  }

  a.cafc-inline-tool .cafc-inline-tool-icon {
    margin: 0 auto;
  }
}

/* === Post Template V3.0 CSS Injection for cafc === */

.cafc-ad-slot {
  display: none;
  width: 100%;
  min-height: 250px;
  margin: 24px 0;
  background: #f5f5f5;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 14px;
}
.cafc-ad-slot.has-content {
  display: flex;
}
.cafc-post-header {
  margin-bottom: 24px;
}
.cafc-post-header h1 {
  font-size: 2.2rem;
  line-height: 1.3;
  margin-bottom: 12px;
}
.cafc-post-meta {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 12px;
}
.cafc-category-badge {
  display: inline-block;
  padding: 4px 12px;
  background: #e8f0fe;
  color: #1a73e8;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}
.cafc-article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.cafc-post-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}
.cafc-post-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #333;
}
.cafc-post-content p {
  margin-bottom: 1.2em;
}
.cafc-post-content h2 {
  font-size: 1.6rem;
  margin-top: 2em;
  margin-bottom: 0.8em;
}
.cafc-post-content h3 {
  font-size: 1.3rem;
  margin-top: 1.6em;
  margin-bottom: 0.6em;
}
.cafc-post-footer {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  max-width: 800px;
  margin: 40px auto 0;
  padding: 0 20px;
}
@media (max-width: 768px) {
  .cafc-post-footer {
    grid-template-columns: 1fr;
  }
}
.cafc-related-articles h3,
.cafc-recommended-tools h3 {
  font-size: 1.2rem;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid #eee;
}
.cafc-related-list,
.cafc-tool-rec-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cafc-related-card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  padding: 16px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #eee;
  transition: box-shadow 0.2s, transform 0.2s;
}
.cafc-related-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.cafc-related-card * {
  pointer-events: none;
}
.cafc-related-card h4 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: #1a73e8;
}
.cafc-related-card p {
  font-size: 0.85rem;
  color: #666;
  margin: 0;
}
.cafc-author-box {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: #f8f9fa;
  border-radius: 12px;
  margin: 32px 0;
  align-items: flex-start;
}
@media (max-width: 768px) {
  .cafc-author-box {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}
.cafc-author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.cafc-author-info {
  flex: 1;
}
.cafc-author-name {
  font-size: 1.1rem;
  margin-bottom: 4px;
}
.cafc-author-title {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 8px;
}
.cafc-author-bio {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #444;
  margin-bottom: 8px;
}
.cafc-author-location {
  font-size: 0.85rem;
  color: #888;
  margin-bottom: 8px;
}
.cafc-author-bio-link {
  font-size: 0.9rem;
  color: #1a73e8;
  text-decoration: none;
}
.cafc-author-bio-link:hover {
  text-decoration: underline;
}
.cafc-inline-tool {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  margin: 20px 0;
  background: #f8f9fa;
  border-radius: 10px;
  border: 1px solid #e8eaed;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.2s;
}
.cafc-inline-tool:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.cafc-inline-tool * {
  pointer-events: none;
}
.cafc-inline-tool-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: #e8f0fe;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.cafc-inline-tool-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: #1a73e8;
}
.cafc-inline-tool-desc {
  font-size: 0.85rem;
  color: #666;
  line-height: 1.4;
}
.cafc-inline-tool-privacy {
  font-size: 0.75rem;
  color: #888;
  font-style: italic;
  margin-top: 4px;
}


/* ---- Navigation Container Fix ---- */
.cafc-nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: var(--cafc-max-width, 1200px);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
  box-sizing: border-box;
}


/* ---- Breadcrumb Align Fix ---- */
.cafc-breadcrumb {
  max-width: var(--cafc-max-width, 1200px);
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  width: 100%;
  box-sizing: border-box;
}


/* ---- Mobile Menu Active Fix ---- */
@media (max-width: 768px) {
  .cafc-nav-links {
    display: none !important;
    flex-direction: column;
    width: 100%;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    padding: 1rem 1.5rem;
    gap: 0.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    z-index: 999;
  }
  .cafc-nav-links.active {
    display: flex !important;
  }
  .cafc-nav-links li {
    width: 100%;
    list-style: none;
  }
  .cafc-nav-links a {
    display: block;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
    text-decoration: none;
    color: inherit;
  }
  .cafc-nav-links a:last-child {
    border-bottom: none;
  }
}


/* ---- Hamburger Button Fix ---- */
.cafc-nav-hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}
@media (max-width: 768px) {
  .cafc-nav-hamburger {
    display: block !important;
  }
}