/* ==========================================================================
   BLOG STYLES - hasakgul Portfolio & Engineering Blog
   Design System & Tokens (Aligned with index.css)
   ========================================================================== */

:root {
  --bg-color: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  --border-color: rgba(15, 23, 42, 0.08);
  --border-hover: rgba(79, 70, 229, 0.3);
  
  --color-primary: #4f46e5;
  --color-primary-light: #eef2ff;
  --color-accent: #059669;
  --color-warning: #d97706;
  --color-story: #e11d48;
  
  --font-main: 'Plus Jakarta Sans', sans-serif;
  --container-width: 1080px;
  
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-subtle: 0 4px 6px -1px rgba(0, 0, 0, 0.03), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-card: 0 10px 20px -3px rgba(15, 23, 42, 0.05), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
  --shadow-hover: 0 20px 25px -5px rgba(79, 70, 229, 0.09), 0 10px 10px -6px rgba(79, 70, 229, 0.05);
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.7;
  overflow-x: hidden;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ==========================================================================
   BLOG NAVBAR & HEADER
   ========================================================================== */
.blog-nav {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 16px 0;
}

.blog-nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.brand-badge {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 700;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  background: #ffffff;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

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

/* Blog Hero */
.blog-hero {
  padding: 48px 0 32px;
  text-align: center;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #0f172a 0%, #4f46e5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 32px;
}

/* Controls (Search & Categories) */
.blog-controls {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 40px;
}

.blog-search-box {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  width: 100%;
}

.blog-search-box i {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.blog-search-input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  border-radius: 14px;
  border: 1px solid var(--border-color);
  background: #ffffff;
  font-family: var(--font-main);
  font-size: 0.95rem;
  color: var(--text-primary);
  box-shadow: var(--shadow-subtle);
  outline: none;
  transition: var(--transition-smooth);
}

.blog-search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

.category-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.category-pill {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: #ffffff;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.category-pill:hover,
.category-pill.active {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}

/* ==========================================================================
   BLOG POSTS GRID
   ========================================================================== */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
  margin-bottom: 60px;
}

.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.post-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
}

.post-card.featured-story {
  border: 1.5px solid rgba(225, 29, 72, 0.3);
  background: linear-gradient(180deg, #fff1f2 0%, #ffffff 40%);
}

.post-card.featured-story:hover {
  border-color: var(--color-story);
  box-shadow: 0 20px 25px -5px rgba(225, 29, 72, 0.12);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.post-category-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.post-category-tag.cat-personal {
  background: #ffe4e6;
  color: var(--color-story);
}

.post-category-tag.cat-engineering {
  background: #ecfdf5;
  color: var(--color-accent);
}

.post-category-tag.cat-edtech {
  background: #fef3c7;
  color: var(--color-warning);
}

.post-read-time {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
}

.post-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.post-card:hover .post-title {
  color: var(--color-primary);
}

.post-summary {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid rgba(15, 23, 42, 0.05);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.post-date {
  display: flex;
  align-items: center;
  gap: 6px;
}

.read-more-btn {
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   SINGLE POST READER VIEW
   ========================================================================== */
.post-reader-view {
  display: none;
  max-width: 820px;
  margin: 0 auto 80px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 48px;
  box-shadow: var(--shadow-card);
}

.post-reader-view.active {
  display: block;
  animation: fadeIn 0.4s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.reader-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 10px;
  background: var(--bg-color);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid var(--border-color);
  cursor: pointer;
  margin-bottom: 32px;
  transition: var(--transition-smooth);
}

.reader-back-btn:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.reader-header {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.reader-meta-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.reader-title {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.reader-author-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Article Content Typography */
.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #334155;
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 36px 0 16px;
}

.article-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 28px 0 12px;
}

.article-body p {
  margin-bottom: 20px;
}

.article-body ul, 
.article-body ol {
  margin: 0 0 24px 24px;
}

.article-body li {
  margin-bottom: 8px;
}

.article-body code {
  background: #f1f5f9;
  color: #d946ef;
  font-size: 0.9em;
  padding: 2px 6px;
  border-radius: 6px;
  font-family: monospace;
}

.article-body pre {
  background: #0f172a;
  color: #f8fafc;
  padding: 20px;
  border-radius: 12px;
  overflow-x: auto;
  margin: 24px 0;
  font-size: 0.9rem;
}

.article-body pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.blog-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.95rem;
}

.blog-table th, .blog-table td {
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  text-align: left;
}

.blog-table th {
  background: #f8fafc;
  font-weight: 700;
}

/* Yarım Domates Özel Hikaye Stilleri */
.story-article {
  font-family: 'Plus Jakarta Sans', Georgia, serif;
  font-size: 1.1rem;
  line-height: 2;
  color: #1e293b;
}

.story-article .lead-text {
  font-size: 1.25rem;
  font-weight: 600;
  color: #0f172a;
  margin-bottom: 24px;
}

.quote-dialog {
  background: #fff1f2;
  border-left: 4px solid var(--color-story);
  padding: 20px 24px;
  margin: 28px 0;
  border-radius: 0 12px 12px 0;
  font-style: italic;
  font-weight: 500;
  color: #881337;
}

.story-manifesto {
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
  color: #f8fafc;
  padding: 32px;
  border-radius: 16px;
  margin: 40px 0;
  text-align: center;
  line-height: 2.1;
  font-size: 1.05rem;
}

.story-manifesto strong {
  color: #38bdf8;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
}

.story-footer-note {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Social Share Bar */
.reader-share-bar {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.share-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.share-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.share-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-smooth);
  font-size: 1rem;
}

.share-btn:hover {
  transform: translateY(-2px);
  color: #ffffff;
}

.share-btn.share-x:hover { background: #000000; border-color: #000000; }
.share-btn.share-whatsapp:hover { background: #25D366; border-color: #25D366; }
.share-btn.share-telegram:hover { background: #229ED9; border-color: #229ED9; }
.share-btn.share-linkedin:hover { background: #0A66C2; border-color: #0A66C2; }
.share-btn.share-facebook:hover { background: #1877F2; border-color: #1877F2; }
.share-btn.share-reddit:hover { background: #FF4500; border-color: #FF4500; }
.share-btn.share-email:hover { background: #4F46E5; border-color: #4F46E5; }
.share-btn.share-copy:hover { background: #059669; border-color: #059669; }

/* ==========================================================================
   RICH INFOGRAPHIC & INTERACTIVE BLOG COMPONENTS
   ========================================================================== */
.infographic-box {
  background: #f8fafc;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 16px;
  padding: 24px;
  margin: 28px 0;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.02);
}

.infographic-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.step-flow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin: 16px 0;
}

.step-flow-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  position: relative;
  transition: var(--transition-smooth);
}

.step-flow-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 800;
  font-size: 0.8rem;
  margin-bottom: 8px;
}

.tip-callout {
  background: #ecfdf5;
  border-left: 4px solid #059669;
  border-radius: 0 12px 12px 0;
  padding: 18px 20px;
  margin: 24px 0;
  color: #064e3b;
  font-size: 0.96rem;
}

.tip-callout strong {
  color: #059669;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.alert-callout {
  background: #fef2f2;
  border-left: 4px solid #ef4444;
  border-radius: 0 12px 12px 0;
  padding: 18px 20px;
  margin: 24px 0;
  color: #7f1d1d;
  font-size: 0.96rem;
}

.alert-callout strong {
  color: #dc2626;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.key-takeaways {
  background: linear-gradient(135deg, #f0fdf4 0%, #eef2ff 100%);
  border: 1px solid rgba(79, 70, 229, 0.15);
  border-radius: 16px;
  padding: 22px 24px;
  margin: 32px 0;
}

.key-takeaways h4 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.key-takeaways ul {
  margin: 0 0 0 20px;
}

.key-takeaways li {
  margin-bottom: 6px;
  font-size: 0.95rem;
}

/* Footer */
.blog-footer {
  border-top: 1px solid var(--border-color);
  background: #ffffff;
  padding: 32px 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 1.85rem;
  }
  .posts-grid {
    grid-template-columns: 1fr;
  }
  .post-reader-view {
    padding: 24px 18px;
  }
  .reader-title {
    font-size: 1.6rem;
  }
}