/* ========================================
   VOXA BLOG STYLES - Professional Redesign
   ======================================== */

/* CSS Variables */
:root {
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-surface-elevated: #f8fafc;
  --color-text: #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted: #64748b;
  --color-primary: #4f46e5;
  --color-primary-dark: #4338ca;
  --color-primary-light: #6366f1;
  --color-accent: #0ea5e9;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  --color-success: #10b981;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.04);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.08), 0 1px 2px -1px rgb(0 0 0 / 0.08);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.08);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.08);
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --max-content: 720px;
  --max-wide: 1200px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Reset for blog */
*, *::before, *::after {
  box-sizing: border-box;
}

/* Blog Page Body */
.blog-page {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   NAVIGATION
   ======================================== */

.blog-nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.95);
}

.blog-nav-container {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 1rem 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.blog-nav-left {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.blog-nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.blog-nav-logo:hover {
  color: var(--color-primary-dark);
}

.blog-nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.blog-nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.blog-nav-links a:hover {
  color: var(--color-primary);
}

.blog-nav-cta {
  background: var(--color-primary);
  color: white !important;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-weight: 500;
  transition: all 0.2s;
}

.blog-nav-cta:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

@media (max-width: 640px) {
  .blog-nav-links {
    display: none;
  }
  
  .blog-nav-container {
    padding: 1rem 16px;
  }
}

/* ========================================
   BLOG POST ARTICLE
   ======================================== */

.blog-post {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 3rem 24px 4rem;
}

@media (max-width: 640px) {
  .blog-post {
    padding: 2rem 16px 3rem;
  }
}

/* Blog Post Header */
.blog-post-header {
  text-align: center;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border-light);
}

.blog-post-category {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: white;
  padding: 0.375rem 0.875rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.blog-post-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

@media (max-width: 640px) {
  .blog-post-title {
    font-size: 1.75rem;
  }
}

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

.blog-post-meta .author {
  font-weight: 500;
  color: var(--color-text-secondary);
}

.blog-post-meta .date::before {
  content: "•";
  margin-right: 1rem;
  color: var(--color-border);
}

/* Blog Post Lead/Intro */
.blog-post-lead {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 2.5rem;
  font-weight: 400;
}

@media (max-width: 640px) {
  .blog-post-lead {
    font-size: 1.1rem;
  }
}

/* Blog Post Content */
.blog-post-content h2 {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-text);
  margin-top: 3rem;
  margin-bottom: 1.25rem;
  line-height: 1.3;
}

.blog-post-content h3 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-text);
  margin-top: 2rem;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.blog-post-content h4 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.blog-post-content p {
  margin-bottom: 1.25rem;
  color: var(--color-text-secondary);
}

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

.blog-post-content li {
  margin-bottom: 0.5rem;
  color: var(--color-text-secondary);
}

.blog-post-content li::marker {
  color: var(--color-primary);
}

.blog-post-content strong {
  color: var(--color-text);
  font-weight: 600;
}

.blog-post-content a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.blog-post-content a:hover {
  border-bottom-color: var(--color-primary);
}

/* Blockquotes */
.blog-post-content blockquote {
  background: var(--color-surface-elevated);
  border-left: 4px solid var(--color-primary);
  padding: 1.5rem 1.5rem 1.5rem 2rem;
  margin: 2rem 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
}

.blog-post-content blockquote p {
  margin: 0;
  color: var(--color-text);
}

/* CTA Box in Posts */
.blog-post-cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: white;
  padding: 2rem;
  border-radius: var(--radius-lg);
  margin: 3rem 0;
  text-align: center;
}

.blog-post-cta h3 {
  color: white;
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.35rem;
}

.blog-post-cta p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 1.5rem;
}

.blog-post-cta .btn {
  background: white;
  color: var(--color-primary);
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: all 0.2s;
}

.blog-post-cta .btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.blog-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 3rem 0;
  margin-top: 4rem;
}

.blog-footer-content {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.blog-footer-nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.blog-footer-nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.blog-footer-nav a:hover {
  color: var(--color-primary);
}

.blog-footer p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0;
}

/* ========================================
   BLOG LISTING PAGE
   ======================================== */

.blog-listing {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 4rem 24px;
}

.blog-listing-header {
  text-align: center;
  margin-bottom: 4rem;
}

.blog-listing-header h1 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.blog-listing-header p {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

@media (max-width: 640px) {
  .blog-listing-header h1 {
    font-size: 2rem;
  }
  
  .blog-listing-header p {
    font-size: 1.1rem;
  }
}

/* Blog Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
}

@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

/* Blog Card */
.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-primary-light);
}

.blog-card-category {
  display: inline-block;
  background: rgba(79, 70, 229, 0.1);
  color: var(--color-primary);
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.blog-card h2 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.blog-card h2 a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

.blog-card h2 a:hover {
  color: var(--color-primary);
}

.blog-card-meta {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.blog-card p {
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  flex-grow: 1;
  line-height: 1.6;
}

.blog-card-readmore {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap 0.2s;
}

.blog-card-readmore:hover {
  gap: 0.75rem;
}

/* Blog Listing CTA */
.blog-listing-cta {
  background: linear-gradient(135deg, var(--color-text) 0%, #1e293b 100%);
  color: white;
  padding: 3rem;
  border-radius: var(--radius-xl);
  text-align: center;
}

.blog-listing-cta h2 {
  color: white;
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.blog-listing-cta p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1.5rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.blog-listing-cta .btn {
  background: white;
  color: var(--color-text);
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: all 0.2s;
}

.blog-listing-cta .btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ========================================
   ARTICLE NAVIGATION (Prev/Next)
   ======================================== */

.article-nav {
  max-width: var(--max-content);
  margin: 3rem auto 0;
  padding: 2rem 24px 0;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.article-nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.2s;
  max-width: 45%;
}

.article-nav a:hover {
  color: var(--color-primary);
}

.article-nav-prev::before {
  content: "←";
}

.article-nav-next::after {
  content: "→";
}

@media (max-width: 640px) {
  .article-nav {
    flex-direction: column;
    gap: 1rem;
  }
  
  .article-nav a {
    max-width: 100%;
  }
}

/* ========================================
   UTILITIES
   ======================================== */

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

.mt-4 {
  margin-top: 2rem;
}

.mb-4 {
  margin-bottom: 2rem;
}