:root {
    --primary-color: #536de6;
    --secondary-color: #3b4cb8;
    --accent-color: #6b7ef6;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #1f2937;
}

.hero-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.narrow-container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.section-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.info-card {
    background-color: white;
    border-radius: 1rem;
    padding: 2rem;
    border: 2px solid #e5e7eb;
    margin-bottom: 1.5rem;
}

.info-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.info-card p, .info-card ul {
    color: #4b5563;
    line-height: 1.7;
}

.info-card ul {
    list-style-type: disc;
    padding-left: 1.5rem;
    margin-top: 0.5rem;
}

.info-card li {
    margin-bottom: 0.5rem;
}

.sla-badge {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: #dcfce7;
    color: #166534;
    border-radius: 0.5rem;
    font-size: 1.125rem;
    font-weight: 700;
    margin: 0.5rem 0;
}

.trust-indicator {
    display: flex;
    align-items: center;
    padding: 1rem;
    background-color: #f0f9ff;
    border-left: 4px solid var(--primary-color);
    border-radius: 0.5rem;
    margin: 0.5rem 0;
}

@media screen and (max-width: 768px) {
    #top-book-demo-button {
        display: none;
    }

    nav img {
        height: 32px;
        width: auto;
    }

    .section-title {
        font-size: 2rem;
    }
}