/* ==========================================================================
   Nimblersoft Design System — Artifacts Manager Landing Page
   Single Source of Truth: apply-design-system / references/design.md
   ========================================================================== */

:root {
  /* Dark Theme Palette (Default & Primary) */
  --color-bg: #050a18;
  --color-bg-alt: #081026;
  --color-surface: #0f1629;
  --color-surface-hover: #1a2240;
  --color-surface-card: rgba(15, 22, 41, 0.75);
  --color-border: #252f55;
  --color-border-hover: #3b487c;
  
  --color-text-primary: #f0f4ff;
  --color-text-secondary: #8b95b0;
  --color-text-muted: #5a6380;
  
  --color-cyan: #00f0ff;
  --color-cyan-hover: #00d4e0;
  --color-cyan-muted: rgba(0, 240, 255, 0.15);
  --color-cyan-glow: rgba(0, 240, 255, 0.35);
  
  --color-violet: #a855f7;
  --color-violet-hover: #9333ea;
  --color-violet-muted: rgba(168, 85, 247, 0.15);
  --color-violet-glow: rgba(168, 85, 247, 0.35);

  --color-emerald: #10b981;
  --color-amber: #f59e0b;
  --color-rose: #f43f5e;
  
  --color-glass-bg: rgba(15, 22, 41, 0.65);
  --color-glass-border: rgba(0, 240, 255, 0.12);
  --color-glass-strong-bg: rgba(15, 22, 41, 0.88);
  --color-glass-strong-border: rgba(0, 240, 255, 0.22);
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Fira Code', monospace;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --shadow-glow-cyan: 0 0 35px rgba(0, 240, 255, 0.25);
  --shadow-glow-violet: 0 0 35px rgba(168, 85, 247, 0.25);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(0, 240, 255, 0.08) 0%, transparent 60%),
    radial-gradient(circle at 100% 40%, rgba(168, 85, 247, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 0% 70%, rgba(0, 240, 255, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Typography Helpers */
.text-gradient {
  background: linear-gradient(135deg, var(--color-cyan) 0%, #70aaff 50%, var(--color-violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, #ffffff 0%, var(--color-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Glassmorphism Utilities */
.glass {
  background: var(--color-glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-glass-border);
}

.glass-strong {
  background: var(--color-glass-strong-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--color-glass-strong-border);
}

.gradient-border {
  position: relative;
  border-radius: 12px;
  background: var(--color-surface);
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 13px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.4), rgba(168, 85, 247, 0.4));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Animations */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.15), 0 0 50px rgba(168, 85, 247, 0.10);
  }
  50% {
    box-shadow: 0 0 45px rgba(0, 240, 255, 0.28), 0 0 80px rgba(168, 85, 247, 0.20);
  }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Header & Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 10, 24, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-text-primary);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(168, 85, 247, 0.2));
  border: 1px solid rgba(0, 240, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

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

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-cyan) 0%, #00b4d8 100%);
  color: #050a18;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-cyan-hover) 0%, #0096c7 100%);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-cyan);
  color: var(--color-cyan);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.85rem;
}

/* Hero Section */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 9999px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.25);
  color: var(--color-cyan);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 24px;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  max-width: 720px;
  margin: 0 auto 36px;
  font-weight: 400;
}

/* Quickstart Command Bar */
.command-strip {
  display: inline-flex;
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 8px 12px 8px 16px;
  gap: 16px;
  margin-bottom: 40px;
  box-shadow: var(--shadow-md);
  max-width: 100%;
}

.command-strip code {
  font-family: var(--font-mono);
  color: var(--color-cyan);
  font-size: 0.95rem;
  white-space: nowrap;
  overflow-x: auto;
}

.copy-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.copy-btn:hover {
  background: var(--color-cyan-muted);
  border-color: var(--color-cyan);
  color: var(--color-cyan);
}

.copy-btn.copied {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--color-emerald);
  color: var(--color-emerald);
}

/* Hero Showcase Mockup */
.mockup-wrap {
  margin-top: 40px;
  position: relative;
}

.mockup-container {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg), var(--shadow-glow-cyan);
  overflow: hidden;
  animation: pulse-glow 6s infinite ease-in-out;
  text-align: left;
}

.mockup-header {
  background: #090e1f;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
}

.window-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.mockup-address {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  background: rgba(0, 0, 0, 0.3);
  padding: 4px 16px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  gap: 8px;
}

.mockup-viewport-controls {
  display: flex;
  gap: 6px;
}

.vp-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.vp-btn.active, .vp-btn:hover {
  background: var(--color-cyan-muted);
  border-color: var(--color-cyan);
  color: var(--color-cyan);
}

.mockup-body {
  padding: 24px;
  background: #070c1c;
  min-height: 420px;
}

/* Problem vs Solution */
.comparison-section {
  padding: 80px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-badge {
  color: var(--color-cyan);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

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

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.comparison-card {
  padding: 32px;
  border-radius: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  position: relative;
}

.comparison-card.bad {
  border-color: rgba(244, 63, 94, 0.3);
  background: linear-gradient(180deg, rgba(244, 63, 94, 0.04) 0%, var(--color-surface) 100%);
}

.comparison-card.good {
  border-color: rgba(0, 240, 255, 0.35);
  background: linear-gradient(180deg, rgba(0, 240, 255, 0.06) 0%, var(--color-surface) 100%);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.1);
}

.card-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.bad .card-status-badge {
  background: rgba(244, 63, 94, 0.15);
  color: var(--color-rose);
}

.good .card-status-badge {
  background: rgba(0, 240, 255, 0.15);
  color: var(--color-cyan);
}

.comparison-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.comparison-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.comparison-card li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.comparison-card li svg {
  flex-shrink: 0;
  margin-top: 3px;
}

/* Features Grid */
.features-section {
  padding: 80px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.feature-card {
  padding: 32px;
  border-radius: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 240, 255, 0.4);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6), 0 0 25px rgba(0, 240, 255, 0.15);
}

.feature-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.12), rgba(168, 85, 247, 0.12));
  border: 1px solid rgba(0, 240, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-cyan);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text-primary);
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-pill {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 3px 10px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-muted);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Interactive Artifact Showcase Section */
.showcase-section {
  padding: 80px 0;
  background: radial-gradient(circle at 50% 50%, rgba(168, 85, 247, 0.05) 0%, transparent 70%);
}

.showcase-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.showcase-tab {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.showcase-tab.active, .showcase-tab:hover {
  background: var(--color-cyan-muted);
  border-color: var(--color-cyan);
  color: var(--color-cyan);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.showcase-viewer {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.showcase-panel {
  display: none;
  padding: 28px;
}

.showcase-panel.active {
  display: block;
}

/* Terminal Simulator Section */
.terminal-section {
  padding: 80px 0;
}

.terminal-wrap {
  max-width: 900px;
  margin: 0 auto;
  border-radius: 16px;
  background: #090e1f;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg), 0 0 35px rgba(0, 240, 255, 0.1);
  overflow: hidden;
}

.terminal-tabs {
  display: flex;
  align-items: center;
  background: #060a16;
  border-bottom: 1px solid var(--color-border);
  padding: 0 16px;
  gap: 8px;
  overflow-x: auto;
}

.term-tab {
  padding: 12px 18px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.term-tab.active {
  color: var(--color-cyan);
  border-bottom-color: var(--color-cyan);
  background: rgba(0, 240, 255, 0.05);
}

.terminal-screen {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-text-primary);
  line-height: 1.7;
  overflow-x: auto;
  min-height: 260px;
}

.term-prompt {
  color: var(--color-cyan);
  font-weight: 700;
}

.term-success {
  color: var(--color-emerald);
}

.term-dim {
  color: var(--color-text-muted);
}

.term-highlight {
  color: #fbbf24;
}

/* Agent Lifecycle Section */
.lifecycle-section {
  padding: 80px 0;
}

.lifecycle-track {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  position: relative;
  margin-top: 40px;
}

.lifecycle-step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 24px;
  position: relative;
  transition: all 0.3s ease;
}

.lifecycle-step:hover {
  border-color: var(--color-cyan);
  transform: translateY(-4px);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-cyan);
  background: rgba(0, 240, 255, 0.1);
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 16px;
}

.lifecycle-step h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.lifecycle-step p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Specs & Security */
.specs-section {
  padding: 80px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.spec-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 28px;
}

.spec-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  margin-bottom: 14px;
  color: var(--color-cyan);
}

.spec-card p {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* CTA Banner */
.cta-section {
  padding: 100px 0;
  text-align: center;
  position: relative;
}

.cta-box {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 24px;
  padding: 60px 40px;
  position: relative;
  box-shadow: 0 0 60px rgba(0, 240, 255, 0.15);
  max-width: 900px;
  margin: 0 auto;
}

.cta-box h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.cta-box p {
  color: var(--color-text-secondary);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 32px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: #040814;
  padding: 48px 0 32px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--color-cyan);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .command-strip {
    flex-direction: column;
    align-items: stretch;
  }
  .mockup-body {
    padding: 16px;
  }
  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ==========================================================================
   Showcase Interactive Demos Styling
   ========================================================================== */

/* Demo 1: Topology Explorer */
.topology-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 20px;
}

@media (max-width: 960px) {
  .topology-layout {
    grid-template-columns: 1fr;
  }
}

.topology-nodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.topo-node-card {
  background: #0d152c;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 14px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: left;
}

.topo-node-card:hover {
  background: #141f3e;
  border-color: rgba(0, 240, 255, 0.5);
  transform: translateY(-2px);
}

.topo-node-card.active {
  background: #132247;
  border-color: var(--color-cyan);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
}

.topo-node-badge {
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--color-cyan);
  text-transform: uppercase;
}

.topo-node-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.topo-node-sub {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.topology-diagram-card {
  background: #070c1a;
  border: 1px solid #1a254d;
  border-radius: 10px;
  padding: 16px;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow-x: auto;
}

.topo-inspector-card {
  background: #0d152c;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
}

.topo-inspector-header {
  border-bottom: 1px solid #1a254d;
  padding-bottom: 12px;
}

.topo-inspector-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-cyan);
  margin-top: 4px;
}

.topo-inspector-desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.topo-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.topo-meta-label {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: #7dd3fc;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.topo-meta-val {
  font-size: 0.82rem;
  color: var(--color-text-primary);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 6px 10px;
  border-radius: 6px;
  font-family: var(--font-mono);
  word-break: break-all;
}

/* Demo 2: Grill Questionnaire */
.frontier-lock-banner {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 10px;
  padding: 12px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.frontier-lock-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pulse-dot-amber {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #f59e0b;
  box-shadow: 0 0 12px #f59e0b;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.grill-questions-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.grill-q-card {
  background: #0d152c;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.grill-q-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.grill-q-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.q-number-chip {
  background: rgba(168, 85, 247, 0.2);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.4);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 6px;
}

.grill-q-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.grill-q-body {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.grill-recommended {
  font-size: 0.8rem;
  color: #94a3b8;
  background: rgba(245, 158, 11, 0.08);
  border-left: 3px solid #f59e0b;
  padding: 6px 12px;
  border-radius: 0 6px 6px 0;
}

.grill-choices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
}

.grill-choice-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.grill-choice-card:hover {
  background: rgba(168, 85, 247, 0.06);
  border-color: rgba(168, 85, 247, 0.4);
}

.grill-choice-card.selected {
  background: rgba(168, 85, 247, 0.12);
  border-color: var(--color-violet);
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.25);
}

.grill-choice-card input[type="radio"] {
  margin-top: 3px;
  accent-color: var(--color-violet);
  cursor: pointer;
}

.grill-choice-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.grill-choice-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.grill-choice-desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.35;
}

.grill-diagram-wrapper {
  background: #070c1a;
  border: 1px solid #1a254d;
  border-radius: 8px;
  padding: 12px;
  min-height: 120px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow-x: auto;
}

.grill-free-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-text-primary);
  resize: vertical;
  min-height: 60px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.grill-free-input:focus {
  outline: none;
  border-color: var(--color-violet);
  box-shadow: 0 0 0 2px rgba(168, 85, 247, 0.2);
}

.grill-footer {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid #1a254d;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* Demo 3: Markdown Spec Viewer */
.md-demo-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  border-bottom: 1px solid #1a254d;
  padding-bottom: 14px;
  flex-wrap: wrap;
  gap: 12px;
}

.md-view-controls {
  display: flex;
  gap: 8px;
  align-items: center;
}

.md-view-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.md-view-btn.active, .md-view-btn:hover {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--color-emerald);
  color: #34d399;
}

.md-spec-container {
  background: #090e1f;
  border: 1px solid #1a254d;
  border-radius: 12px;
  padding: 24px;
}

.md-spec-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.md-breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.md-spec-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #f0f4ff;
  letter-spacing: -0.01em;
}

.md-tags-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.md-alert {
  background: rgba(0, 240, 255, 0.06);
  border-left: 3px solid var(--color-cyan);
  border-radius: 0 8px 8px 0;
  padding: 12px 16px;
  font-size: 0.85rem;
  color: #cbd5e1;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.md-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin: 10px 0;
}

.md-table th {
  background: #070c1a;
  color: #94a3b8;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid #1a254d;
}

.md-table td {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--color-text-secondary);
}

.md-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.md-mermaid-wrapper {
  background: #070c1a;
  border: 1px solid #1a254d;
  border-radius: 10px;
  padding: 20px;
  margin: 8px 0;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow-x: auto;
}

.mermaid {
  max-width: 100%;
  text-align: center;
}

.mermaid svg {
  max-width: 100%;
  height: auto;
}

.mermaid[data-mermaid-state="error"] {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #fca5a5;
  white-space: pre-wrap;
  text-align: left;
}

/* ==========================================================================
   Blog Announcement Banner & Visual Showcase Sections
   ========================================================================== */

.blog-banner-strip {
  background: linear-gradient(90deg, rgba(0, 240, 255, 0.12) 0%, rgba(168, 85, 247, 0.15) 50%, rgba(0, 240, 255, 0.12) 100%);
  border-bottom: 1px solid rgba(0, 240, 255, 0.25);
  padding: 10px 16px;
  text-align: center;
  font-size: 0.875rem;
  position: relative;
  z-index: 30;
}

.blog-banner-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.blog-banner-badge {
  background: rgba(0, 240, 255, 0.2);
  color: var(--color-cyan);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid rgba(0, 240, 255, 0.4);
}

.blog-banner-link {
  color: #f0f4ff;
  text-decoration: none;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}

.blog-banner-link:hover {
  color: var(--color-cyan);
}

.blog-banner-link .arrow {
  color: var(--color-cyan);
  transition: transform 0.2s ease;
}

.blog-banner-link:hover .arrow {
  transform: translateX(3px);
}

/* Visual Showcase Cards */
.visual-showcase-section {
  padding: 90px 0;
  background: radial-gradient(circle at 50% 30%, rgba(15, 22, 41, 0.9) 0%, var(--color-bg) 80%);
  border-top: 1px solid rgba(37, 47, 85, 0.6);
  border-bottom: 1px solid rgba(37, 47, 85, 0.6);
}

.visual-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 32px;
  margin-top: 40px;
}

.visual-card {
  background: rgba(15, 22, 41, 0.8);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.visual-card:hover {
  border-color: rgba(0, 240, 255, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 240, 255, 0.12);
}

.visual-card-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #070c1a;
  overflow: hidden;
  border-bottom: 1px solid rgba(37, 47, 85, 0.8);
}

.visual-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.visual-card:hover .visual-card-img {
  transform: scale(1.02);
}

.visual-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.visual-card-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
  display: inline-block;
}

.visual-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #f0f4ff;
  margin-bottom: 10px;
  line-height: 1.35;
}

.visual-card-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.visual-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(37, 47, 85, 0.6);
  padding-top: 14px;
  margin-top: auto;
}

.visual-card-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-cyan);
}