/* ==========================================================================
   PETHEALTHNOTES — COMPONENT LAYER (Additive, doesn't override dark theme)
   New classes for Python-generated articles and category pages.
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Lora:ital,wght@0,400;0,600;1,400&display=swap');

/* Light-mode layout vars — only apply inside .light-layout wrapper */
.light-layout {
  --ll-bg:        #ffffff;
  --ll-surface:   #f8fafc;
  --ll-primary:   #0f172a;
  --ll-secondary: #334155;
  --ll-muted:     #64748b;
  --ll-accent:    #0284c7;
  --ll-accent-bg: #f0fdfa;
  --ll-green:     #10b981;
  --ll-red:       #dc2626;
  --ll-red-bg:    #fef2f2;
  --ll-red-border:#fca5a5;
  background: var(--ll-bg);
  color: var(--ll-secondary);
  font-family: 'Inter', system-ui, sans-serif;
}

/* ── 4-Tab Premium Navigation ───────────────────────────────────────────── */
.site-header {
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .header-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.site-header .logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: #0f172a;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.site-header .logo-accent { color: #0284c7; }
.site-header .main-nav {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.nav-link {
  text-decoration: none;
  color: #475569;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: #0284c7;
  background: #f0fdfa;
}
.nav-link.emergency-tab {
  background: #fef2f2;
  color: #dc2626 !important;
  border: 1px solid #fca5a5;
  font-weight: 600;
}
.nav-link.emergency-tab:hover {
  background: #fee2e2;
  box-shadow: 0 4px 12px rgba(220,38,38,0.1);
}

/* ── Article Post Layout ────────────────────────────────────────────────── */
.post-layout-container {
  max-width: 740px;
  margin: 3rem auto;
  padding: 0 1.5rem;
}
.post-category-tag {
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: #0284c7;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 0.4rem;
}
h1.post-title {
  font-size: 2.4rem;
  color: #0f172a;
  line-height: 1.25;
  margin: 0 0 1.5rem 0;
  font-weight: 700;
}

/* ── E-E-A-T Trust Shield ───────────────────────────────────────────────── */
.trust-shield {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-left: 5px solid #0284c7;
  border-radius: 8px;
  padding: 1.25rem;
  margin: 2rem 0;
}
.trust-shield .shield-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #0f172a;
  font-size: 0.95rem;
  border-bottom: 1px solid #e2e8f0;
  padding-bottom: 0.5rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}
.shield-header .verified-dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  margin-left: auto;
  box-shadow: 0 0 8px #10b981;
}
.trust-shield .shield-body p {
  font-size: 0.9rem;
  line-height: 1.55;
  color: #334155;
  margin: 0 0 0.5rem 0;
}
.trust-shield .vet-validation {
  background: #f0fdf4;
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  color: #166534 !important;
}
.trust-shield .disclaimer {
  font-size: 0.8rem !important;
  color: #64748b;
  margin-top: 0.75rem !important;
  font-style: italic;
}

/* ── Markdown Body (serif for readability) ──────────────────────────────── */
.markdown-content {
  font-family: 'Lora', Georgia, serif;
  font-size: 1.1rem;
  line-height: 1.8;
  color: #1e293b;
}
.markdown-content h2 {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 1.6rem;
  color: #0f172a;
  margin-top: 2.5rem;
  border-bottom: 1px solid #f1f5f9;
  padding-bottom: 0.5rem;
}
.markdown-content h3 {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 1.2rem;
  color: #0284c7;
  margin-top: 1.75rem;
}
.markdown-content p { margin-bottom: 1.4rem; }
.markdown-content ul, .markdown-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.4rem;
}
.markdown-content li { margin-bottom: 0.5rem; }
.markdown-content a { color: #0284c7; }
.markdown-content strong { color: #0f172a; }

/* ── Category Landing Page Cards ────────────────────────────────────────── */
.category-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}
.category-hero {
  text-align: center;
  padding: 3rem 1rem 2rem;
  border-bottom: 1px solid #e2e8f0;
  margin-bottom: 2.5rem;
}
.category-hero h1 { font-size: 2.2rem; color: #0f172a; margin-bottom: 0.75rem; }
.category-hero p  { font-size: 1.1rem; color: #475569; max-width: 600px; margin: 0 auto; }

.article-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.article-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 1.5rem;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  display: block;
}
.article-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.article-card .card-tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #0284c7;
  margin-bottom: 0.5rem;
  display: block;
}
.article-card h3 { font-size: 1rem; color: #0f172a; margin: 0 0 0.5rem 0; font-weight: 600; }
.article-card p  { font-size: 0.875rem; color: #64748b; margin: 0; line-height: 1.5; }

/* ── Mobile ─────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .site-header .header-container { flex-direction: column; gap: 0.75rem; padding: 0.75rem 1rem; }
  .site-header .main-nav { gap: 0.25rem; flex-wrap: wrap; justify-content: center; }
  .nav-link { font-size: 0.8rem; padding: 0.35rem 0.55rem; }
  h1.post-title { font-size: 1.85rem; }
  .markdown-content { font-size: 1rem; }
  .post-layout-container { margin: 1.5rem auto; }
}

/* ==========================================================================
   KIT (CONVERTKIT) INTEGRATION STYLES
   ========================================================================== */
.kit-embedded-form {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 1.5rem;
    box-sizing: border-box;
    width: 100%;
}

.kit-embedded-form label {
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.kit-embedded-form input[type="email"] {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    box-sizing: border-box;
    margin-bottom: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.kit-embedded-form input[type="email"]:focus {
    border-color: #0284c7;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
    outline: none;
}

/* Reuses your elite high-conversion button properties natively */
.kit-embedded-form .calc-btn {
    width: 100%;
    padding: 0.85rem;
    background: #0284c7;
    color: #ffffff !important;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
    box-shadow: 0 4px 6px rgba(2, 132, 199, 0.1);
}

.kit-embedded-form .calc-btn:hover {
    background: #0369a1;
}

.kit-embedded-form .calc-btn:active {
    transform: scale(0.98);
}

/* Mobile-First Grid Adjustments */
@media (max-width: 480px) {
    .kit-embedded-form {
        padding: 1rem;
    }
    .kit-embedded-form label {
        font-size: 0.85rem;
    }
}

/* ==========================================================================
   HIGH-CONVERSION AFFILIATE COMPONENT BUTTONS
   ========================================================================== */
.affiliate-product-btn {
    display: block;
    text-align: center;
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border: 1px solid #fde047;
    color: #92400e !important;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    text-decoration: none !important;
    padding: 1.15rem;
    margin: 2rem 0;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(251, 191, 36, 0.08);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.affiliate-product-btn:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #fef3c7 0%, #fde047 100%);
    box-shadow: 0 6px 15px rgba(251, 191, 36, 0.15);
}

.affiliate-product-btn:active {
    transform: scale(0.99);
}