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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fafafa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: #fff;
    border-bottom: 1px solid #eee;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #dc3545;
}

.nav a {
    color: #333;
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 500;
}

.nav a:hover {
    color: #dc3545;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.btn-primary {
    background: #dc3545;
    color: white;
}

.btn-primary:hover {
    background: #c82333;
}

.btn-secondary {
    background: #f8f9fa;
    color: #333;
    border: 1px solid #dee2e6;
}

.btn-secondary:hover {
    background: #e9ecef;
}

.btn-outline {
    background: transparent;
    color: #dc3545;
    border: 1px solid #dc3545;
}

.btn-outline:hover {
    background: #dc3545;
    color: white;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Hero */
.hero {
    padding: 4rem 0;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.hero-note {
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Features */
.features {
    padding: 4rem 0;
    background: white;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    border-radius: 12px;
    background: #f8f9fa;
    text-align: center;
    transition: transform 0.2s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    color: #333;
}

.feature-card p {
    color: #666;
    font-size: 0.95rem;
}

/* How it works */
.how-it-works {
    padding: 4rem 0;
    background: #f8f9fa;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

.steps {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.step {
    text-align: center;
    max-width: 250px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: #dc3545;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step h3 {
    margin-bottom: 0.5rem;
}

.step p {
    color: #666;
}

/* Demo */
.demo {
    padding: 4rem 0;
    background: white;
}

.demo h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
}

.code-block {
    background: #1e1e1e;
    border-radius: 12px;
    padding: 2rem;
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.code-block pre {
    color: #d4d4d4;
    overflow-x: auto;
}

.code-block code {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

.btn-copy {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255,255,255,0.1);
    color: white;
    border: 1px solid rgba(255,255,255,0.2);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
}

.btn-copy:hover {
    background: rgba(255,255,255,0.2);
}

/* Pricing */
.pricing {
    padding: 4rem 0;
    background: #f8f9fa;
}

.pricing h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    position: relative;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.pricing-card.featured {
    border: 2px solid #dc3545;
    transform: scale(1.05);
}

.badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: #dc3545;
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.pricing-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.price {
    font-size: 2rem;
    font-weight: 700;
    color: #dc3545;
    margin-bottom: 1.5rem;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-card li {
    padding: 0.5rem 0;
    color: #666;
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer a {
    color: #dc3545;
    text-decoration: none;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .steps {
        flex-direction: column;
        align-items: center;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .nav a {
        margin-left: 1rem;
    }
}