:root {
    --primary-color: #2563eb;
    --dark-text: #1f2937;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--dark-text);
    background-color: #f9fafb;
}

main {
    min-height: 70vh;
}

.navbar-custom {
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 700;
    color: #111 !important;
    letter-spacing: -0.5px;
}

.hero-section {
    padding: 80px 0 40px;
    text-align: center;
}

.product-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    transition: transform 0.2s, box-shadow 0.2s;
    padding: 24px;
    height: 100%;
}

    .product-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
    }

.btn-stripe {
    background-color: var(--primary-color);
    border: none;
    font-weight: 600;
    padding: 10px 20px;
    width: 100%;
    border-radius: 6px;
}

footer {
    background: #ffffff;
    border-top: 1px solid #e5e7eb;
    padding: 60px 0;
    margin-top: 80px;
}

.copyright {
    background: #f3f4f6;
    padding: 20px 0;
    text-align: center;
    font-size: 0.9rem;
}