.zoya-product-buy h1 {
    width: 100%;
    max-width: none;
    font-family: 'DM Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: clamp(1.9rem, 2.5vw, 2.7rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -.025em;
}

@media (max-width: 991px) {
    .zoya-product-buy h1 { font-size: clamp(1.85rem, 3.4vw, 2.35rem); }
}

@media (max-width: 767px) {
    .zoya-product-buy h1 {
        font-size: clamp(1.75rem, 7vw, 2.15rem);
        line-height: 1.1;
    }
}