body {
    font-family: 'Inter', sans-serif;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: grid;
    animation: fadeIn 0.4s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    transform: translateY(20px);
}

#scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Адаптивные улучшения */
@media (max-width: 1024px) {
    .logo-img {
        max-height: 32px !important;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 1.75rem !important;
        line-height: 1.2 !important;
    }
}

@media (max-width: 640px) {
    .product-tabs-wrapper {
        flex-direction: column !important;
    }
    .product-tab-btn {
        width: 100% !important;
        justify-content: center !important;
    }
}