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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0f172a;
    color: #e2e8f0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.logo {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
}

    .logo span {
        color: #3b82f6;
    }

.tagline {
    color: #64748b;
    margin-bottom: 3rem;
    font-size: 1rem;
}

.cards {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 700px;
}

.card {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 12px;
    padding: 2rem;
    width: 300px;
}

.badge {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    display: inline-block;
    margin-bottom: 1rem;
}

.badge-v1 {
    background: #422006;
    color: #fb923c;
}

.badge-v2 {
    background: #172554;
    color: #60a5fa;
}

.card h2 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card p {
    color: #94a3b8;
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.features {
    list-style: none;
    margin-bottom: 1.5rem;
}

    .features li {
        color: #64748b;
        font-size: 0.8rem;
        padding: 0.15rem 0;
    }

        .features li::before {
            content: "\203A\00A0";
            color: #475569;
        }

.btn {
    display: inline-block;
    padding: 0.55rem 1.1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
}

    .btn:hover {
        opacity: 0.85;
    }

.btn-v1 {
    background: #c2410c;
    color: #fff;
}

.btn-v2 {
    background: #1d4ed8;
    color: #fff;
}

footer {
    margin-top: 3rem;
    color: #334155;
    font-size: 0.75rem;
}