/*
Theme Name: HealthyNoteBook Pro
Theme URI: https://healthynotebook.in
Author: HealthyNoteBook Team
Author URI: https://healthynotebook.in
Description: Production-ready health content WordPress theme with AdSense optimization, high CPC keyword targeting, and internal linking strategy
Version: 1.0.0
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: healthynotebook-pro
Domain Path: /languages
Requires at least: 5.0
Requires PHP: 7.4
*/

/* ============================================
   MAIN STYLESHEET - HealthyNoteBook Pro
   Production-Ready Theme
   ============================================ */

:root {
  --primary-color: #2563eb;
  --secondary-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  --dark-color: #1f2937;
  --light-color: #f9fafb;
  --text-dark: #111827;
  --text-light: #6b7280;
  --border-color: #e5e7eb;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: #ffffff;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.5rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.1rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: 1rem;
  line-height: 1.8;
}

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

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

strong, b {
  font-weight: 700;
  color: var(--dark-color);
}

em, i {
  font-style: italic;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.site-logo:hover {
  color: var(--secondary-color);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}

nav a {
  color: var(--text-dark);
  font-weight: 500;
  transition: var(--transition);
}

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-dark);
}

/* ============================================
   MAIN CONTENT AREA
   ============================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.site-content {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2rem;
  margin: 2rem auto;
}

.main-content {
  width: 100%;
}

.sidebar {
  background-color: var(--light-color);
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

/* ============================================
   BLOG POST STYLES
   ============================================ */

.post {
  margin-bottom: 2rem;
  padding: 2rem;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.post-title {
  margin-top: 0;
}

.post-meta {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-bottom: 1rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.post-meta span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.post-featured-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 1.5rem;
}

.post-content {
  line-height: 1.8;
}

.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1.5rem 0;
}

.post-content ul,
.post-content ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

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

.post-content blockquote {
  border-left: 4px solid var(--primary-color);
  padding-left: 1rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--text-light);
}

/* ============================================
   FAQ SECTION
   ============================================ */

.faq-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--border-color);
}

.faq-section h2 {
  margin-bottom: 1.5rem;
}

.faq-item {
  margin-bottom: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.faq-question {
  padding: 1rem;
  background-color: var(--light-color);
  cursor: pointer;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  background-color: #f3f4f6;
}

.faq-toggle {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.faq-item.active .faq-toggle {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 1rem;
  background-color: #ffffff;
  display: none;
  border-top: 1px solid var(--border-color);
}

.faq-item.active .faq-answer {
  display: block;
}

/* ============================================
   INTERNAL LINKING
   ============================================ */

.related-posts {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--border-color);
}

.related-posts h3 {
  margin-bottom: 1.5rem;
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.related-post-card {
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: var(--transition);
}

.related-post-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.related-post-card a {
  font-weight: 600;
  color: var(--primary-color);
}

.related-post-excerpt {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-top: 0.5rem;
}

/* ============================================
   SIDEBAR WIDGETS
   ============================================ */

.widget {
  margin-bottom: 2rem;
}

.widget-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 3px solid var(--primary-color);
}

.widget ul {
  list-style: none;
}

.widget li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

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

.widget a {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ============================================
   FORMS & CTA
   ============================================ */

.newsletter-form {
  background-color: var(--primary-color);
  color: white;
  padding: 2rem;
  border-radius: 8px;
  margin: 2rem 0;
}

.newsletter-form h3 {
  color: white;
  margin-top: 0;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn:hover {
  background-color: #1d4ed8;
  text-decoration: none;
}

.btn-secondary {
  background-color: var(--secondary-color);
}

.btn-secondary:hover {
  background-color: #059669;
}

/* ============================================
   SOCIAL SHARING
   ============================================ */

.share-buttons {
  display: flex;
  gap: 1rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  color: white;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition);
}

.share-facebook {
  background-color: #1877f2;
}

.share-twitter {
  background-color: #000000;
}

.share-linkedin {
  background-color: #0a66c2;
}

.share-whatsapp {
  background-color: #25d366;
}

.share-pinterest {
  background-color: #e60023;
}

/* ============================================
   FOOTER
   ============================================ */

footer {
  background-color: var(--dark-color);
  color: #ffffff;
  padding: 3rem 2rem 1rem;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: white;
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section a {
  color: #d1d5db;
  transition: var(--transition);
}

.footer-section a:hover {
  color: white;
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 2rem;
  text-align: center;
  color: #9ca3af;
  font-size: 0.875rem;
}

/* ============================================
   BREADCRUMBS
   ============================================ */

.breadcrumbs {
  padding: 1rem 0;
  font-size: 0.875rem;
  color: var(--text-light);
}

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

/* ============================================
   PAGINATION
   ============================================ */

.pagination {
  display: flex;
  gap: 0.5rem;
  margin: 2rem 0;
  justify-content: center;
  flex-wrap: wrap;
}

.pagination a,
.pagination span {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  text-decoration: none;
  color: var(--primary-color);
}

.pagination .current {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
  
  .header-container {
    padding: 1rem;
  }
  
  nav ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: white;
    padding: 1rem;
    gap: 0;
    border-top: 1px solid var(--border-color);
    width: 100%;
  }
  
  nav ul.active {
    display: flex;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .site-content {
    grid-template-columns: 1fr;
  }
  
  .related-posts-grid {
    grid-template-columns: 1fr;
  }
  
  .container {
    padding: 0 1rem;
  }
  
  .post {
    padding: 1rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
  
  .header-container {
    padding: 0.75rem;
  }
  
  nav ul {
    padding: 0.5rem;
  }
  
  .share-buttons {
    gap: 0.5rem;
  }
  
  .share-btn {
    padding: 0.4rem 0.75rem;
    font-size: 0.75rem;
  }
}

/* ============================================
   ADSENSE PLACEMENT STYLES
   ============================================ */

.ad-space {
  margin: 1.5rem 0;
  padding: 1rem;
  background-color: var(--light-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  text-align: center;
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 0.875rem;
}

.ad-space.hidden {
  display: none;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }