.billing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(14px, 2vw, 18px);
}

.billing-card {
    padding: clamp(18px, 2.8vw, 28px);
    text-align: left;
    border-radius: 2px;
    min-width: 0;
}

.billing-icon {
    margin-bottom: clamp(18px, 3vw, 28px);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.2em;
}

.billing-card h3 {
    margin-bottom: 12px;
    font-size: clamp(1.5rem, 4vw, 2rem);
    color: var(--ink);
    overflow-wrap: anywhere;
}

.billing-card p {
    font-size: clamp(0.9rem, 2vw, 0.96rem);
    line-height: 1.68;
    color: var(--muted);
}

@media (max-width: 980px) {
    .billing-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .billing-card {
        padding: 18px 16px;
    }
}