:root {
  --primary: #FBBF24;
  --primary-dark: #D97706;
  --bg: #F9FAFB;
  --text: #1F2937;
  --text-muted: #6B7280;
  --card-bg: #FFFFFF;
  --border: #E5E7EB;
}

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

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero Section */
.hero {
  padding: 96px 0;
  text-align: center;
}

.hero-title {
  font-size: 64px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero-title span { display: block; }
.hero-title span:nth-child(2) { color: var(--primary-dark); }

.hero-subtitle {
  font-size: 20px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 48px;
}

/* Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #000;
  border: none;
}

.btn-primary:hover { background: var(--primary-dark); }

/* Animation / Demo Area */
.demo-area {
  height: 120px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 48px;
  font-size: 24px;
  font-weight: 700;
}

.fade-in { animation: fadeIn 0.5s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 64px 0;
}

.stat-item { text-align: center; }
.stat-value { font-size: 32px; font-weight: 800; color: var(--text); }
.stat-label { font-size: 14px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

/* Responsive */
@media (max-width: 640px) {
  .hero-title { font-size: 40px; }
  .stats { grid-template-columns: 1fr; }
}