/* SignalBrain Sentinel — Design System */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ── CSS Variables ──────────────────────────────────────────────────── */
:root {
  /* Core palette */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a2e;
  --bg-card: rgba(26, 26, 46, 0.6);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-hover: rgba(255, 255, 255, 0.06);

  /* Accent colors */
  --accent-primary: #6366f1;    /* Indigo */
  --accent-secondary: #8b5cf6;  /* Purple */
  --accent-tertiary: #a78bfa;   /* Light purple */
  --accent-cyan: #22d3ee;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
  --gradient-glow: linear-gradient(135deg, rgba(99,102,241,0.15) 0%, rgba(139,92,246,0.15) 100%);
  --gradient-hero: radial-gradient(ellipse at 50% 0%, rgba(99,102,241,0.12) 0%, transparent 60%);
  --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%);

  /* Text */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #818cf8;

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(99, 102, 241, 0.3);

  /* Spacing */
  --section-padding: 120px;
  --container-max: 1200px;

  /* Animation */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

a {
  color: var(--text-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover { color: var(--accent-tertiary); }

code, pre {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ── Utility Classes ────────────────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-padding) 0;
  position: relative;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.section-label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent-primary);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.6;
}

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

/* ── Navigation ─────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.3s ease;
  -webkit-backdrop-filter: blur(0px);
  backdrop-filter: blur(0px);
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.85);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  padding: 12px 0;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--text-primary); }

.nav-cta {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* ── Buttons ────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: all 0.25s var(--ease-out-expo);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-accent);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: 10px;
}

/* ── Hero Section ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  animation: orb-float 8s ease-in-out infinite alternate;
}

.hero-orb-1 {
  width: 500px;
  height: 500px;
  background: rgba(99, 102, 241, 0.15);
  top: -100px;
  right: -100px;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: rgba(139, 92, 246, 0.12);
  bottom: -50px;
  left: -50px;
  animation-delay: -3s;
}

@keyframes orb-float {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, -30px) scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  background: var(--bg-glass);
  border: 1px solid var(--border-accent);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-accent);
  margin-bottom: 32px;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.1s both;
}

.hero-badge .pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-emerald);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.2s both;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.6;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.3s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.4s both;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 80px;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.5s both;
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Features ───────────────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 60px;
}

.feature-card {
  position: relative;
  padding: 32px;
  border-radius: 16px;
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  transition: all 0.4s var(--ease-out-expo);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  background: var(--bg-glass-hover);
}
.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 20px;
  position: relative;
}

.feature-icon.indigo { background: rgba(99, 102, 241, 0.1); color: var(--accent-primary); }
.feature-icon.purple { background: rgba(139, 92, 246, 0.1); color: var(--accent-secondary); }
.feature-icon.cyan { background: rgba(34, 211, 238, 0.1); color: var(--accent-cyan); }
.feature-icon.emerald { background: rgba(16, 185, 129, 0.1); color: var(--accent-emerald); }
.feature-icon.amber { background: rgba(245, 158, 11, 0.1); color: var(--accent-amber); }
.feature-icon.rose { background: rgba(244, 63, 94, 0.1); color: var(--accent-rose); }

.feature-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Architecture Diagram ───────────────────────────────────────────── */
.arch-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.arch-diagram {
  margin-top: 60px;
  position: relative;
}

.arch-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 40px;
  border-radius: 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
}

.arch-node {
  padding: 16px 24px;
  border-radius: 12px;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  min-width: 140px;
  transition: all 0.3s ease;
}

.arch-node:hover {
  transform: scale(1.05);
}

.arch-node.input {
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.2);
  color: var(--accent-cyan);
}

.arch-node.process {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: var(--accent-primary);
}

.arch-node.ai {
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  color: var(--accent-secondary);
}

.arch-node.output {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald);
}

.arch-arrow {
  color: var(--text-muted);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.arch-node-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 400;
}

/* ── Live Demo ──────────────────────────────────────────────────────── */
.demo-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 60px;
}

.demo-form {
  padding: 32px;
  border-radius: 16px;
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
}

.demo-form-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  transition: border-color 0.2s ease;
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.demo-response {
  padding: 32px;
  border-radius: 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}

.demo-response-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.demo-response-body {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 500px;
  overflow-y: auto;
}

.demo-response-body::-webkit-scrollbar {
  width: 4px;
}
.demo-response-body::-webkit-scrollbar-track {
  background: transparent;
}
.demo-response-body::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 2px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-badge.approved {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-badge.vetoed {
  background: rgba(244, 63, 94, 0.1);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.2);
}

.status-badge.escalated {
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.status-badge.idle {
  background: var(--bg-glass);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}

/* ── API Docs ───────────────────────────────────────────────────────── */
.api-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.api-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  margin-top: 48px;
  padding: 4px;
  background: var(--bg-glass);
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  width: fit-content;
}

.api-tab {
  padding: 8px 20px;
  border-radius: 7px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  background: none;
  font-family: 'Inter', sans-serif;
}

.api-tab.active {
  background: var(--accent-primary);
  color: white;
}

.api-tab:hover:not(.active) {
  color: var(--text-primary);
}

.api-code-block {
  border-radius: 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
}

.api-code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-glass);
}

.api-code-header .method {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-emerald);
}

.api-code-header .endpoint {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-left: 12px;
}

.api-code-header .copy-btn {
  padding: 4px 12px;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: all 0.2s ease;
}
.api-code-header .copy-btn:hover {
  border-color: var(--border-accent);
  color: var(--text-primary);
}

.api-code-content {
  padding: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--text-secondary);
  overflow-x: auto;
}

.api-code-content .keyword { color: var(--accent-secondary); }
.api-code-content .string { color: var(--accent-emerald); }
.api-code-content .comment { color: var(--text-muted); font-style: italic; }
.api-code-content .number { color: var(--accent-amber); }
.api-code-content .key { color: var(--accent-cyan); }

/* ── Pricing ────────────────────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 60px;
}

.pricing-card {
  padding: 32px;
  border-radius: 16px;
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  transition: all 0.4s var(--ease-out-expo);
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  border-color: var(--accent-primary);
  background: var(--gradient-glow);
  position: relative;
}

.pricing-card.featured::after {
  content: 'POPULAR';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 14px;
  border-radius: 100px;
  background: var(--gradient-primary);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

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

.pricing-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.pricing-features {
  list-style: none;
  flex: 1;
  margin-bottom: 24px;
}

.pricing-features li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-features li::before {
  content: '✓';
  color: var(--accent-emerald);
  font-weight: 700;
  font-size: 0.8rem;
}

.pricing-card .btn {
  width: 100%;
  justify-content: center;
}

/* ── Footer ─────────────────────────────────────────────────────────── */
.footer {
  padding: 60px 0 32px;
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  max-width: 300px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 12px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

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

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.footer-col a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── Responsive ─────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .demo-container { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --section-padding: 80px; }
  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; gap: 16px; }
  .nav-links { display: none; }
  .arch-flow { flex-direction: column; }
  .arch-arrow { transform: rotate(90deg); }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ── Animations ─────────────────────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s var(--ease-out-expo);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Skeleton loading for demo */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(90deg, var(--bg-glass) 25%, var(--bg-glass-hover) 50%, var(--bg-glass) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}

/* Typing cursor for demo */
@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.typing-cursor::after {
  content: '▊';
  color: var(--accent-primary);
  animation: blink-cursor 1s step-start infinite;
}