/* =========================
   DYVE TECH - PROFESSIONAL ARTICLE STYLES
   Clean, modern, publication-quality
========================= */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --tech-bg: #ffffff;
  --tech-text: #0f172a;
  --tech-muted: #64748b;
  --tech-accent: #ff5e50;
  --tech-accent-hover: #e04a3d;
  --tech-border: #e2e8f0;
  --tech-card: #f8fafc;
  --tech-dark: #0f172a;
  --tech-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--tech-bg);
  color: var(--tech-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =========================
   HEADER
========================= */
.tech-header {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--tech-border);
  z-index: 1000;
  padding: 16px 24px;
}

.tech-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.tech-back-btn {
  background: var(--tech-card);
  border: 1px solid var(--tech-border);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 20px;
  color: var(--tech-text);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tech-back-btn:hover {
  background: var(--tech-accent);
  border-color: var(--tech-accent);
  color: white;
  transform: translateX(-2px);
}

.tech-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 1px;
  color: var(--tech-dark);
  flex-shrink: 0;
}

.tech-nav {
  display: flex;
  gap: 24px;
  margin-left: auto;
}

.tech-nav a {
  font-size: 14px;
  font-weight: 600;
  color: var(--tech-muted);
  text-decoration: none;
  transition: all 0.2s;
  position: relative;
}

.tech-nav a:hover {
  color: var(--tech-accent);
}

.tech-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--tech-accent);
  transition: width 0.3s ease;
}

.tech-nav a:hover::after {
  width: 100%;
}

/* =========================
   MAIN LAYOUT
========================= */
.tech-main {
  min-height: calc(100vh - 300px);
}

.tech-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 60px;
}

/* =========================
   BREADCRUMB
========================= */
.tech-breadcrumb {
  grid-column: 1 / -1;
  font-size: 14px;
  color: var(--tech-muted);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-breadcrumb a {
  color: var(--tech-muted);
  text-decoration: none;
  transition: color 0.2s;
  font-weight: 500;
}

.tech-breadcrumb a:hover {
  color: var(--tech-accent);
}

.tech-breadcrumb .separator {
  opacity: 0.5;
}

.tech-breadcrumb .current {
  color: var(--tech-text);
  font-weight: 600;
}

/* =========================
   ARTICLE
========================= */
.tech-article {
  min-width: 0;
}

.article-header {
  margin-bottom: 40px;
}

.category-badge {
  display: inline-block;
  background: rgba(255, 94, 80, 0.1);
  color: var(--tech-accent);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
}

.tech-article h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--tech-text);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.article-subhead {
  font-size: 1.25rem;
  color: var(--tech-muted);
  line-height: 1.6;
  margin-bottom: 28px;
  font-weight: 400;
  max-width: 700px;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  border-top: 1px solid var(--tech-border);
  border-bottom: 1px solid var(--tech-border);
  flex-wrap: wrap;
  gap: 16px;
}

.author-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #e9ab53 0%, #f15e50 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  color: white;
  flex-shrink: 0;
}

.author-name {
  font-weight: 600;
  color: var(--tech-text);
  font-size: 15px;
}

.author-name + time {
  font-size: 13px;
  color: var(--tech-muted);
}

.meta-status {
  background: var(--tech-card);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--tech-accent);
  border: 1px solid var(--tech-border);
}

/* =========================
   HERO IMAGE
========================= */
.article-hero {
  margin-bottom: 48px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.article-hero img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16/9;
  object-fit: cover;
}

/* =========================
   CONTENT
========================= */
.article-content {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--tech-text);
}

.article-content h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--tech-text);
  margin: 56px 0 20px;
  letter-spacing: -0.3px;
  line-height: 1.3;
}

.article-content h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--tech-text);
  margin: 40px 0 16px;
  line-height: 1.3;
}

.article-content p {
  margin-bottom: 24px;
}

.article-content a {
  color: var(--tech-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 0.2s;
  font-weight: 500;
}

.article-content a:hover {
  opacity: 0.7;
}

.article-content ul,
.article-content ol {
  margin: 24px 0;
  padding-left: 28px;
}

.article-content li {
  margin-bottom: 12px;
}

.article-content blockquote {
  border-left: 4px solid var(--tech-accent);
  background: var(--tech-card);
  padding: 24px 28px;
  margin: 36px 0;
  border-radius: 0 12px 12px 0;
  font-style: italic;
  color: var(--tech-text);
  font-size: 1.1rem;
  line-height: 1.7;
}

.article-content pre {
  background: var(--tech-dark);
  color: #e2e8f0;
  padding: 24px;
  border-radius: 12px;
  overflow-x: auto;
  margin: 28px 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  line-height: 1.6;
}

.article-content code {
  font-family: 'JetBrains Mono', monospace;
  background: var(--tech-card);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.85em;
  color: var(--tech-accent);
}

.article-content pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  margin: 32px 0;
}

/* =========================
   TAGS
========================= */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--tech-border);
}

.tag {
  background: var(--tech-card);
  border: 1px solid var(--tech-border);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--tech-muted);
  transition: all 0.2s;
  cursor: pointer;
}

.tag:hover {
  border-color: var(--tech-accent);
  color: var(--tech-accent);
  transform: translateY(-2px);
}

/* =========================
   SIDEBAR
========================= */
.tech-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-card {
  background: var(--tech-card);
  border: 1px solid var(--tech-border);
  border-radius: 16px;
  padding: 24px;
}

.sidebar-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--tech-accent);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.info-item {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--tech-border);
}

.info-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.info-item label {
  display: block;
  font-size: 11px;
  color: var(--tech-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
  font-weight: 600;
}

.info-item value {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--tech-text);
}

.share-card {
  background: var(--tech-dark);
  border-color: var(--tech-dark);
}

.share-card .sidebar-title {
  color: white;
}

.share-btn {
  display: block;
  width: 100%;
  padding: 12px;
  margin-bottom: 10px;
  background: rgba(255,255,255,0.1);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.share-btn:last-child {
  margin-bottom: 0;
}

.share-btn:hover {
  background: var(--tech-accent);
  transform: translateY(-2px);
}

/* =========================
   CTA SECTION
========================= */
.tech-cta {
  max-width: 1200px;
  margin: 60px auto 0;
  padding: 0 24px;
}

.cta-card {
  background: var(--tech-gradient);
  border-radius: 20px;
  padding: 56px 48px;
  text-align: center;
  color: white;
}

.cta-card h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-card p {
  font-size: 1.1rem;
  opacity: 0.85;
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-btn {
  display: inline-block;
  background: var(--tech-accent);
  color: white;
  padding: 14px 32px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  transition: all 0.2s;
}

.cta-btn:hover {
  background: var(--tech-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(255, 94, 80, 0.3);
}

/* =========================
   FOOTER
========================= */
.tech-footer {
  background: var(--tech-dark);
  color: white;
  padding: 48px 24px 32px;
  margin-top: 80px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-brand {
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
}

.footer-nav a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: var(--tech-accent);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

.footer-legal a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-legal a:hover {
  color: var(--tech-accent);
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 1024px) {
  .tech-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .tech-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  
  .tech-nav {
    display: none;
  }
  
  .tech-article h1 {
    font-size: 2rem;
  }
}

@media (max-width: 640px) {
  .tech-header {
    padding: 12px 16px;
  }
  
  .tech-container {
    padding: 24px 16px;
  }
  
  .tech-sidebar {
    grid-template-columns: 1fr;
  }
  
  .tech-article h1 {
    font-size: 1.6rem;
  }
  
  .article-subhead {
    font-size: 1.05rem;
  }
  
  .article-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .article-hero {
    border-radius: 12px;
  }
  
  .cta-card {
    padding: 40px 24px;
  }
  
  .cta-card h2 {
    font-size: 1.5rem;
  }
}