/* ===================================
   Canada Growth Review - Main Stylesheet
   Professional Editorial Design
   =================================== */

/* === CSS Variables === */
:root {
  /* Color Palette - Canadian Professional Theme */
  --primary-blue: #1a3a52;
  --secondary-blue: #2c5f7d;
  --accent-green: #3d7058;
  --light-blue: #4a7fa0;
  --slate-gray: #475569;
  --light-gray: #e2e8f0;
  --bg-white: #ffffff;
  --bg-light: #f8fafc;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --border-color: #cbd5e1;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Georgia', serif;
  
  /* Spacing */
  --container-max: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Transitions */
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-light);
}

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

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

a:hover {
  color: var(--light-blue);
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  color: var(--primary-blue);
  font-weight: 700;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-sm);
}

/* === Layout === */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-2xl) 0;
}

/* === Header === */
.site-header {
  background-color: var(--primary-blue);
  color: var(--bg-white);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.site-logo h1 {
  font-size: 1.5rem;
  color: var(--bg-white);
  margin: 0;
}

.site-logo .logo-text {
  display: flex;
  flex-direction: column;
}

.site-logo .logo-main {
  font-weight: 700;
  font-size: 1.4rem;
  line-height: 1.2;
}

.site-logo .logo-sub {
  font-size: 0.75rem;
  font-family: var(--font-primary);
  font-weight: 400;
  opacity: 0.9;
  letter-spacing: 0.5px;
}

/* === Navigation === */
.main-nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  align-items: center;
}

.main-nav a {
  color: var(--bg-white);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 4px;
  transition: var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  background-color: rgba(255, 255, 255, 0.1);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--bg-white);
  font-size: 1.5rem;
  cursor: pointer;
}

/* === Hero Section === */
.hero {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
  color: var(--bg-white);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.hero h1 {
  color: var(--bg-white);
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.hero p {
  font-size: 1.25rem;
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
  opacity: 0.95;
}

/* === Category Grid === */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.category-card {
  background: var(--bg-white);
  border-radius: 8px;
  padding: var(--spacing-lg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.category-card h3 {
  color: var(--accent-green);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.category-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.category-card a {
  display: inline-block;
  margin-top: var(--spacing-sm);
  font-weight: 600;
  color: var(--secondary-blue);
}

/* === Article Cards === */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.article-card {
  background: var(--bg-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.article-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--light-gray);
}

.article-card-content {
  padding: var(--spacing-md);
}

.article-meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.article-category {
  background-color: var(--accent-green);
  color: var(--bg-white);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.article-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.article-card h3 a {
  color: var(--primary-blue);
}

.article-excerpt {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-md);
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 600;
  color: var(--secondary-blue);
}

.read-more:hover {
  gap: var(--spacing-sm);
}

/* === Featured Article === */
.featured-article {
  background: var(--bg-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  margin-bottom: var(--spacing-xl);
}

.featured-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

.featured-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.featured-text {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-text h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

/* === Newsletter Signup === */
.newsletter {
  background: linear-gradient(135deg, var(--accent-green) 0%, var(--primary-blue) 100%);
  color: var(--bg-white);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.newsletter h2 {
  color: var(--bg-white);
  margin-bottom: var(--spacing-md);
}

.newsletter-form {
  max-width: 500px;
  margin: 0 auto;
  display: flex;
  gap: var(--spacing-sm);
}

.newsletter-form input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: 4px;
  font-size: 1rem;
}

.newsletter-form button {
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--primary-blue);
  color: var(--bg-white);
  border: none;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.newsletter-form button:hover {
  background-color: var(--secondary-blue);
}

/* === Filters & Search === */
.filters-section {
  background: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: 8px;
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.filters-wrapper {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  align-items: center;
}

.search-box {
  flex: 1;
  min-width: 250px;
}

.search-box input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: 4px;
  font-size: 1rem;
}

.category-filters {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--bg-light);
  border: 2px solid var(--border-color);
  border-radius: 20px;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
  color: var(--text-primary);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--accent-green);
  color: var(--bg-white);
  border-color: var(--accent-green);
}

/* === Article Page === */
.article-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
}

.article-header h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.article-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.article-author-info {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.article-hero-image {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: var(--spacing-xl);
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--spacing-xl);
}

.article-content {
  background: var(--bg-white);
  padding: var(--spacing-xl);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.article-content h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.article-content h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.article-content p {
  margin-bottom: var(--spacing-md);
  text-align: justify;
}

.article-content ul,
.article-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
}

.article-content li {
  margin-bottom: var(--spacing-xs);
}

.article-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.sidebar-section {
  background: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  margin-bottom: var(--spacing-lg);
}

.sidebar-section h3 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--accent-green);
  padding-bottom: var(--spacing-sm);
}

.related-post {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--light-gray);
}

.related-post:last-child {
  border-bottom: none;
}

.related-post h4 {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.related-post a {
  color: var(--primary-blue);
}

.related-post .post-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* === Contact Form === */
.contact-section {
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info {
  background: var(--bg-white);
  padding: var(--spacing-xl);
  border-radius: 8px;
  margin-bottom: var(--spacing-xl);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.contact-map {
  background: var(--bg-white);
  padding: var(--spacing-xl);
  border-radius: 8px;
  margin-bottom: var(--spacing-xl);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.contact-map h2 {
  margin-bottom: var(--spacing-md);
}

.map-container {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.map-container iframe {
  display: block;
  width: 100%;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.info-item {
  display: flex;
  align-items: start;
  gap: var(--spacing-sm);
}

.info-item strong {
  color: var(--primary-blue);
  min-width: 80px;
}

.contact-form {
  background: var(--bg-white);
  padding: var(--spacing-xl);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--primary-blue);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: 4px;
  font-size: 1rem;
  font-family: var(--font-primary);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-green);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-error {
  color: #dc2626;
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
  display: none;
}

.form-group.error input,
.form-group.error textarea,
.form-group.error select {
  border-color: #dc2626;
}

.form-group.error .form-error {
  display: block;
}

.btn {
  padding: var(--spacing-sm) var(--spacing-xl);
  background-color: var(--accent-green);
  color: var(--bg-white);
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn:hover {
  background-color: var(--primary-blue);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* === Footer === */
.site-footer {
  background-color: var(--primary-blue);
  color: var(--bg-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
  color: var(--bg-white);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
}

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

.footer-section ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-section a:hover {
  color: var(--bg-white);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

/* === Pagination === */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
}

.pagination a,
.pagination span {
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--bg-white);
  border: 2px solid var(--border-color);
  border-radius: 4px;
  font-weight: 600;
  transition: var(--transition);
}

.pagination a:hover,
.pagination span.active {
  background-color: var(--accent-green);
  color: var(--bg-white);
  border-color: var(--accent-green);
}

/* === Thanks Page === */
.thanks-message {
  text-align: center;
  padding: var(--spacing-2xl);
  background: var(--bg-white);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  max-width: 600px;
  margin: var(--spacing-2xl) auto;
}

.thanks-message h1 {
  color: var(--accent-green);
  margin-bottom: var(--spacing-md);
}

.thanks-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-xl);
}

/* === About Page === */
.about-content {
  background: var(--bg-white);
  padding: var(--spacing-xl);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  margin-bottom: var(--spacing-lg);
}

.about-content h2 {
  border-bottom: 3px solid var(--accent-green);
  padding-bottom: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

/* === Legal Pages === */
.legal-content {
  background: var(--bg-white);
  padding: var(--spacing-xl);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  max-width: 900px;
  margin: 0 auto;
}

.legal-content h2 {
  margin-top: var(--spacing-xl);
  border-bottom: 2px solid var(--light-gray);
  padding-bottom: var(--spacing-sm);
}

.legal-content ul {
  margin-left: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

/* === Responsive Design === */
@media (max-width: 968px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  
  .article-sidebar {
    position: static;
  }
  
  .featured-content {
    grid-template-columns: 1fr;
  }
  
  .featured-image {
    height: 300px;
  }
}

@media (max-width: 768px) {
  .header-content {
    flex-wrap: wrap;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .main-nav {
    display: none;
    width: 100%;
    order: 3;
  }
  
  .main-nav.active {
    display: block;
  }
  
  .main-nav ul {
    flex-direction: column;
    width: 100%;
    padding-top: var(--spacing-md);
  }
  
  .main-nav li {
    width: 100%;
  }
  
  .main-nav a {
    display: block;
    padding: var(--spacing-sm);
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .filters-wrapper {
    flex-direction: column;
    align-items: stretch;
  }
  
  .search-box {
    width: 100%;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .category-grid {
    grid-template-columns: 1fr;
  }
  
  .articles-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

/* === Utility Classes === */
.text-center { text-align: center; }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }