/* ===== BLOG STYLES — harmonized with AnalizaVode landing ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --primary: #00B4D8;
  --primary-dark: #0096B7;
  --primary-light: #E0F7FA;
  --secondary: #0077B6;
  --accent: #00C896;
  --accent-dark: #00A07A;
  --gradient-blue: linear-gradient(135deg, #0077B6 0%, #00B4D8 100%);
  --gradient-dark: linear-gradient(135deg, #0a0f1e 0%, #101830 50%, #0d1424 100%);
  --text: #1a1a2e;
  --text-light: #555;
  --text-muted: #888;
  --bg: #ffffff;
  --bg-alt: #f8fafb;
  --border: #e2e8f0;
  --white: #ffffff;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 820px;
  --nav-height: 68px;
}

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

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-dark); }

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

/* ===== NAVIGATION ===== */
.blog-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(10,15,30,0.97);
  backdrop-filter: blur(12px);
  z-index: 9000;
  display: flex;
  align-items: center;
  padding: 0 24px;
}

.blog-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.blog-nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-weight: 700;
  font-size: 1.1rem;
}

.blog-nav-logo img {
  height: 36px;
  width: auto;
}

.blog-nav-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.blog-nav-breadcrumb a {
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}

.blog-nav-breadcrumb a:hover {
  color: var(--white);
}

.blog-nav-breadcrumb .sep {
  color: rgba(255,255,255,0.3);
}

.blog-nav-breadcrumb .current {
  color: rgba(255,255,255,0.9);
  font-weight: 500;
}

/* ===== BLOG INDEX (blog.html) ===== */
.blog-hero {
  background: var(--gradient-dark);
  padding: calc(var(--nav-height) + 60px) 24px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('hero_bg.webp') center center / cover no-repeat;
  opacity: 0.25;
}

.blog-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10,15,30,0.5);
}

.blog-hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}

.blog-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--white);
  margin-bottom: 16px;
  font-weight: 800;
  line-height: 1.2;
}

.blog-hero h1 .highlight {
  background: linear-gradient(135deg, #00B4D8, #00C896);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.blog-hero p {
  color: rgba(255,255,255,0.7);
  font-size: 1.15rem;
  line-height: 1.6;
}

/* ===== ARTICLE GRID ===== */
.blog-grid-section {
  padding: 60px 24px 80px;
  background: var(--bg-alt);
}

.blog-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 32px;
}

.blog-card {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: transform 0.25s, box-shadow 0.25s;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.blog-card-image {
  height: 200px;
  position: relative;
  overflow: hidden;
  background: var(--bg-alt);
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.05);
}

.blog-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.12));
  pointer-events: none;
}

.blog-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 12px;
  width: fit-content;
}

.blog-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.35;
}

.blog-card-title a {
  color: var(--text);
  transition: color 0.2s;
}

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

.blog-card-excerpt {
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.blog-card-meta .author-img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.blog-card-meta .author-name {
  font-weight: 600;
  color: var(--text);
}

.blog-card-meta .read-time {
  margin-left: auto;
}

/* Featured card */
.blog-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.blog-card.featured .blog-card-image {
  height: 100%;
  min-height: 280px;
}

.blog-card.featured .blog-card-body {
  padding: 32px;
  justify-content: center;
}

.blog-card.featured .blog-card-title {
  font-size: 1.5rem;
}

.blog-card.featured .blog-card-excerpt {
  font-size: 1rem;
}

@media (max-width: 768px) {
  .blog-card.featured {
    grid-template-columns: 1fr;
  }
  .blog-card.featured .blog-card-image {
    min-height: 200px;
  }
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== BLOG ARTICLE PAGE ===== */
.article-header {
  background: var(--gradient-dark);
  padding: calc(var(--nav-height) + 50px) 24px 50px;
  position: relative;
  overflow: hidden;
}

.article-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../hero_bg.webp') center center / cover no-repeat;
  opacity: 0.2;
}

.article-header::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10,15,30,0.55);
}

.article-header-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  margin-bottom: 24px;
}

.article-breadcrumb a { color: rgba(255,255,255,0.5); }
.article-breadcrumb a:hover { color: rgba(255,255,255,0.9); }
.article-breadcrumb .sep { color: rgba(255,255,255,0.3); }
.article-breadcrumb .current { color: rgba(255,255,255,0.8); }

.article-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent);
  background: rgba(0,200,150,0.15);
  padding: 5px 12px;
  border-radius: 6px;
  margin-bottom: 16px;
}

.article-header h1 {
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  color: var(--white);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 8px;
}

.article-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: rgba(255,255,255,0.7);
  font-weight: 400;
  line-height: 1.5;
  margin-bottom: 20px;
}

.article-header-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
}

.article-header-meta .author-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.85);
  font-weight: 600;
  transition: color 0.2s;
}

.article-header-meta .author-link:hover {
  color: var(--white);
}

.article-header-meta .author-link img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,0.2);
}

.article-header-meta .dot {
  color: rgba(255,255,255,0.3);
}

/* ===== ARTICLE BODY ===== */
.article-body {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.article-body h2 {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text);
  margin: 48px 0 16px;
  line-height: 1.3;
}

.article-body h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text);
  margin: 36px 0 12px;
}

.article-body p {
  margin-bottom: 20px;
  color: #333;
}

.article-body ul, .article-body ol {
  margin: 0 0 20px 24px;
}

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

/* Check-list: uses ✔ as list marker instead of default bullet */
.article-body ul.check-list {
  list-style: none;
  margin-left: 0;
  padding-left: 0;
}

.article-body ul.check-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
}

.article-body ul.check-list li::before {
  content: '✔';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
  font-size: 1rem;
}

.article-body blockquote {
  border-left: 4px solid var(--primary);
  background: var(--primary-light);
  padding: 20px 24px;
  border-radius: 0 12px 12px 0;
  margin: 28px 0;
  font-style: italic;
  color: var(--secondary);
}

.article-body blockquote cite {
  display: block;
  font-style: normal;
  font-weight: 600;
  margin-top: 12px;
  color: var(--text);
  font-size: 0.9rem;
}

.article-body .source-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 12px 18px;
  border-radius: 10px;
  font-size: 0.9rem;
  margin: 16px 0 24px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.article-body .source-link:hover {
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(0,180,216,0.1);
  color: var(--primary);
}

.article-body .source-link .icon {
  font-size: 1.1rem;
}

/* Info box */
.info-box {
  background: linear-gradient(135deg, #E0F7FA, #E8FFF6);
  border: 1px solid rgba(0,180,216,0.15);
  border-radius: 12px;
  padding: 24px;
  margin: 28px 0;
}

.info-box h4 {
  color: var(--secondary);
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.warning-box {
  background: linear-gradient(135deg, #FFF8E1, #FFF3E0);
  border: 1px solid rgba(255,167,2,0.2);
  border-radius: 12px;
  padding: 24px;
  margin: 28px 0;
}

.warning-box h4 {
  color: #E65100;
  margin-bottom: 10px;
  font-size: 1.05rem;
}

/* CTA in article */
.article-cta {
  background: var(--gradient-blue);
  border-radius: 16px;
  padding: 32px;
  margin: 40px 0;
  color: var(--white);
  text-align: center;
}

.article-cta h3 {
  color: var(--white);
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.article-cta p {
  color: rgba(255,255,255,0.85);
  margin-bottom: 20px;
}

.article-cta .btn {
  display: inline-block;
  background: var(--white);
  color: var(--secondary);
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 1rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.article-cta .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  color: var(--primary-dark);
}

/* ===== AUTHOR BOX ===== */
.author-box {
  display: flex;
  gap: 20px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  margin: 48px 0 0;
}

.author-box img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary-light);
  flex-shrink: 0;
}

.author-box-info h4 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.author-box-info h4 a {
  color: var(--text);
  transition: color 0.2s;
}

.author-box-info h4 a:hover {
  color: var(--primary);
}

.author-box-info .role {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 8px;
}

.author-box-info p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ===== RELATED ARTICLES ===== */
.related-section {
  background: var(--bg-alt);
  padding: 60px 24px;
  border-top: 1px solid var(--border);
}

.related-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.related-inner h2 {
  font-size: 1.5rem;
  margin-bottom: 28px;
  color: var(--text);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

@media (max-width: 640px) {
  .related-grid {
    grid-template-columns: 1fr;
  }
  .author-box {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* ===== FOOTER (minimal for blog pages) ===== */
.blog-footer {
  background: #0a0f1e;
  color: rgba(255,255,255,0.5);
  padding: 32px 24px;
  text-align: center;
  font-size: 0.85rem;
}

.blog-footer a {
  color: rgba(255,255,255,0.6);
}

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

.blog-footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

/* ===== TABLE OF CONTENTS ===== */
/* ===== ARTICLE FEATURED IMAGE ===== */
.article-featured-image {
  margin: 0 0 32px;
  border-radius: 12px;
  overflow: hidden;
}

.article-featured-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}

.toc {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin: 32px 0;
}

.toc h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.toc ol {
  margin: 0;
  padding-left: 20px;
}

.toc li {
  margin-bottom: 6px;
  font-size: 0.92rem;
}

.toc a {
  color: var(--text-light);
  transition: color 0.2s;
}

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