/* ==========================================================================
   VibeInfra - Design System & Core Styles
   ========================================================================== */

/* Self-Hosted Local Web Fonts ($0 Cloudflare Edge Delivery) */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url('fonts/inter-var.woff2') format('woff2');
}

@font-face {
  font-family: 'Outfit';
  font-style: normal;
  font-weight: 500 900;
  font-display: swap;
  src: url('fonts/outfit-var.woff2') format('woff2');
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('fonts/jetbrains-mono.woff2') format('woff2');
}

:root {
  /* Dark Theme Color Tokens */
  --bg-main: #06090e;
  --bg-secondary: #0b0f17;
  --bg-card: #121824;
  --bg-card-hover: #182030;
  --bg-glass: rgba(18, 24, 36, 0.7);
  --bg-nav: rgba(6, 9, 14, 0.8);
  
  /* Text Tokens */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #818cf8;

  /* Borders & Glows */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(99, 102, 241, 0.3);
  --glow-primary: rgba(99, 102, 241, 0.2);
  --glow-purple: rgba(168, 85, 247, 0.2);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
  --gradient-cyan: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --gradient-glow: radial-gradient(circle at 50% -20%, rgba(99, 102, 241, 0.25), transparent 70%);

  /* Typography */
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Outfit', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
}

body {
  min-height: 100vh;
  background-image: var(--gradient-glow);
  background-repeat: no-repeat;
  background-attachment: fixed;
  position: relative;
}

/* Background Grid Overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* Utility Containers */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-cyan-text {
  background: var(--gradient-cyan);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Navigation Header */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 90px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  z-index: 100;
  display: flex;
  align-items: center;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 8px;
}

.nav-brand img {
  height: 64px;
  width: auto;
  max-width: 280px;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.nav-brand img:hover {
  transform: scale(1.03);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: #334155;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition-fast);
}

.nav-links a:hover {
  color: #0f172a;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--glow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(168, 85, 247, 0.4);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  min-height: calc(100vh - 90px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 0 60px;
  text-align: center;
  position: relative;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(99, 102, 241, 0.15), transparent 70%);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--border-highlight);
  color: var(--text-accent);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 2.5rem;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

/* Section Common Styles */
.section, section[id] {
  padding: 120px 0;
  scroll-margin-top: 90px;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-tag {
  color: var(--text-accent);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* Pillars Cards Grid */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2rem;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition-fast);
}

.pillar-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-highlight);
  background: var(--bg-card-hover);
  box-shadow: 0 12px 30px var(--glow-primary);
}

.pillar-card:hover::before {
  opacity: 1;
}

.pillar-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-accent);
}

.pillar-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

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

/* Vision / Ecosystem Showcase */
.showcase-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.showcase-text h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.showcase-list {
  list-style: none;
  margin-top: 1.5rem;
}

.showcase-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.showcase-list li svg {
  color: #10b981;
  flex-shrink: 0;
}

.showcase-preview {
  background: #000000;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #38bdf8;
  overflow-x: auto;
}

/* Roadmap Flow Timeline */
.roadmap-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.roadmap-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
}

.roadmap-card.active {
  border-color: var(--border-highlight);
  box-shadow: 0 0 20px var(--glow-primary);
}

.roadmap-phase {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-accent);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.roadmap-card h4 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.roadmap-card ul {
  list-style: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.roadmap-card ul li {
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* What We Do Cards Grid */
.what-we-do-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2rem;
  transition: var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-highlight);
  background: var(--bg-card-hover);
  box-shadow: 0 10px 30px var(--glow-primary);
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
  color: var(--text-accent);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

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

/* Open Source Showcase Cards */
.repo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
}

.repo-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-normal);
  position: relative;
}

.repo-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-highlight);
  box-shadow: 0 12px 30px var(--glow-purple);
}

.repo-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.repo-name {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.repo-stars {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fbbf24;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.repo-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.repo-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tag-badge {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-accent);
  border: 1px solid var(--border-subtle);
}

/* Documentation Hub Cards */
.docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.doc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 1.75rem;
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.doc-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-highlight);
  background: var(--bg-card-hover);
}

.doc-icon {
  font-size: 1.6rem;
}

.doc-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
}

.doc-desc {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

/* Blog Highlights Section */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-normal);
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-highlight);
  box-shadow: 0 10px 30px var(--glow-primary);
}

.blog-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  font-size: 0.82rem;
}

.blog-tag {
  color: var(--text-accent);
  font-family: var(--font-mono);
  font-weight: 600;
  text-transform: uppercase;
}

.read-time {
  color: var(--text-muted);
}

.blog-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.blog-snippet {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

/* Extended Footer Grid */
.footer {
  padding: 80px 0 40px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  background: #f8fafc;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand-col p {
  color: #64748b;
  font-size: 0.95rem;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-col h3, .footer-col h5 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col ul li a {
  color: #475569;
  text-decoration: none;
  font-size: 0.92rem;
  transition: var(--transition-fast);
}

.footer-col ul li a:hover {
  color: #0f172a;
}

.footer-bottom {
  border-top: 1px solid #e2e8f0;
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  color: #475569;
  font-size: 0.95rem;
  font-weight: 500;
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Phase 2 — Newsletter Subscription Card */
.newsletter-card {
  background: linear-gradient(135deg, rgba(18, 24, 36, 0.9) 0%, rgba(30, 41, 59, 0.8) 100%);
  border: 1px solid var(--border-highlight);
  border-radius: 20px;
  padding: 3.5rem 2.5rem;
  text-align: center;
  box-shadow: 0 16px 40px var(--glow-primary);
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.newsletter-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.12) 0%, transparent 60%);
  pointer-events: none;
}

.newsletter-form {
  display: flex;
  gap: 0.75rem;
  max-width: 520px;
  margin: 2rem auto 0;
  flex-wrap: wrap;
}

.newsletter-input {
  flex: 1;
  min-width: 260px;
  padding: 0.9rem 1.25rem;
  border-radius: 9999px;
  background: rgba(6, 9, 14, 0.8);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-fast);
}

.newsletter-input:focus {
  border-color: var(--text-accent);
  box-shadow: 0 0 15px var(--glow-primary);
}

.toast-msg {
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  display: none;
}

.toast-msg.success {
  display: block;
  color: #10b981;
}

/* Phase 2 — Community KPI Metrics Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.75rem;
  transition: var(--transition-normal);
}

.kpi-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-highlight);
}

.kpi-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.kpi-label {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.kpi-target {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-accent);
  background: rgba(99, 102, 241, 0.1);
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
}

.kpi-val {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.kpi-bar {
  height: 6px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.kpi-fill {
  height: 100%;
  border-radius: 9999px;
  background: var(--gradient-primary);
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Phase 2 — Weekly Schedule Grid */
.schedule-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.schedule-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.75rem;
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
}

.schedule-card.active, .schedule-card:hover {
  border-color: var(--border-highlight);
  background: var(--bg-card-hover);
  box-shadow: 0 8px 25px var(--glow-primary);
  transform: translateY(-4px);
}

.schedule-day {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.schedule-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

/* FAQ Accordion Styles */
.faq-grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  overflow: hidden;
  transition: var(--transition-normal);
}

.faq-item:hover {
  border-color: var(--border-highlight);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  text-align: left;
}

.faq-icon {
  font-size: 1.4rem;
  color: var(--text-accent);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, padding 0.35s ease-out;
  padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 0 1.5rem 1.25rem 1.5rem;
}

.faq-answer p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .hero-title {
    font-size: 3rem;
  }
  .showcase-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.25rem;
  }
  .hero-subtitle {
    font-size: 1rem;
  }
  .nav-links {
    display: none;
  }
}

/* Article Page Layout & Spacing */
.article-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 140px 1.5rem 80px;
}

.article-header {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-subtle);
}

.article-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.article-body h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 2.5rem 0 1rem;
}

.article-body p {
  margin-bottom: 1.25rem;
}

.article-body ul {
  margin: 1rem 0 1.5rem 1.5rem;
}

.article-body li {
  margin-bottom: 0.5rem;
}

.callout-box {
  background: var(--bg-card);
  border: 1px solid var(--border-highlight);
  border-left: 4px solid var(--primary);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0;
  color: var(--text-primary);
}

/* Documentation Hub Layout */
.docs-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  padding: 140px 1.5rem 80px;
  align-items: start;
}

.docs-sidebar {
  position: sticky;
  top: 110px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.5rem;
}

.docs-search-box {
  margin-bottom: 1.5rem;
}

.docs-search-input {
  width: 100%;
  padding: 0.65rem 1rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition-fast);
}

.docs-search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 10px var(--glow-primary);
}

.docs-nav-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-accent);
  margin-bottom: 0.75rem;
  display: block;
}

.docs-nav-section {
  margin-bottom: 1.5rem;
}

.docs-nav-section ul {
  list-style: none;
}

.docs-nav-section ul li a {
  display: block;
  padding: 0.4rem 0.75rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  border-radius: 6px;
  transition: var(--transition-fast);
}

.docs-nav-section ul li a:hover,
.docs-nav-section ul li a.active {
  color: var(--text-primary);
  background: rgba(99, 102, 241, 0.12);
}

.docs-header {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-subtle);
}

.docs-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0.5rem 0 1rem;
}

.docs-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.docs-article-section {
  margin-bottom: 3.5rem;
  scroll-margin-top: 110px;
}

.docs-article-section h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.docs-article-section p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

/* Interactive Code Block Container */
.code-block-container {
  background: #0f172a;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
  margin: 1.5rem 0;
}

.code-block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.copy-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.code-block-container pre {
  padding: 1.25rem;
  margin: 0;
  overflow-x: auto;
}

.code-block-container code {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #e2e8f0;
  line-height: 1.6;
}

@media (max-width: 992px) {
  .docs-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .docs-sidebar {
    position: relative;
    top: 0;
  }
}

/* VibeInfra Labs Component Styling */
.badge-coming-soon {
  display: inline-block;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.65rem;
  border-radius: 9999px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid var(--border-highlight);
  color: var(--text-accent);
  vertical-align: middle;
  margin-left: 0.5rem;
}

.labs-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  margin-top: 2rem;
}

.terminal-window {
  background: #090d16;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 20px var(--glow-primary);
  overflow: hidden;
  font-family: var(--font-mono);
}

.terminal-header {
  display: flex;
  align-items: center;
  padding: 0.6rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
}

.terminal-buttons {
  display: flex;
  gap: 0.4rem;
}

.btn-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.terminal-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.terminal-body {
  padding: 1.25rem;
  font-size: 0.85rem;
  line-height: 1.6;
}

.term-line {
  margin-bottom: 0.35rem;
  color: #e2e8f0;
}

.term-prompt {
  color: #a855f7;
  font-weight: 700;
  margin-right: 0.35rem;
}

.term-dim {
  color: #64748b;
}

.term-code {
  color: #94a3b8;
}

.term-success {
  color: #10b981;
  font-weight: 600;
}

.labs-waitlist-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2rem;
}

.labs-card-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.labs-feature-list {
  list-style: none;
  margin-bottom: 1.5rem;
}

.labs-feature-list li {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

@media (max-width: 992px) {
  .labs-hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}