.product {
    overflow: hidden;
    background:
        radial-gradient(circle at 10% 18%, rgba(8, 87, 255, 0.16), transparent 32%),
        radial-gradient(circle at 92% 30%, rgba(72, 213, 255, 0.18), transparent 30%),
        linear-gradient(180deg, #ffffff 0%, #f3f7ff 100%);
}

.product-grid {
    display: grid;
    grid-template-columns: 0.88fr 1.12fr;
    gap: 70px;
    align-items: center;
}

.product-experience {
    position: relative;
    padding: 10px;
}

.product-experience::before {
    content: "";
    position: absolute;
    inset: 8% -8% auto auto;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(8,87,255,0.16), transparent 66%);
    pointer-events: none;
}

.product-tabs {
    position: relative;
    z-index: 2;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 26px;
}

.product-tabs button {
    min-height: 44px;
    padding: 0 16px;
    border: 1px solid rgba(8, 87, 255, 0.18);
    border-radius: 999px;
    color: var(--color-blue-dark);
    background: rgba(255, 255, 255, 0.72);
    box-shadow: 0 14px 34px rgba(8, 36, 88, 0.06);
    font-weight: 850;
    transition: transform 180ms ease, color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.product-tabs button:hover,
.product-tabs button.is-active {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(135deg, var(--color-blue), var(--color-cyan));
    transform: translateY(-2px);
}

.feature-list {
    position: relative;
    z-index: 2;
    min-height: 410px;
}

.feature-item {
    display: none;
    min-height: 410px;
    padding: clamp(28px, 5vw, 54px);
    border: 1px solid rgba(8, 87, 255, 0.14);
    border-radius: 34px;
    background:
        radial-gradient(circle at 100% 0%, rgba(72,213,255,0.22), transparent 36%),
        rgba(255, 255, 255, 0.78);
    box-shadow: 0 28px 90px rgba(8, 36, 88, 0.12);
    backdrop-filter: blur(18px);
}

.feature-item.is-active {
    display: block;
    animation: panel-in 360ms ease both;
}

.feature-icon {
    display: inline-grid;
    place-items: center;
    min-width: 58px;
    height: 58px;
    padding: 0 14px;
    border-radius: 20px;
    color: #fff;
    background: linear-gradient(135deg, var(--color-blue), var(--color-cyan));
    box-shadow: var(--shadow-blue);
    font-size: 0.88rem;
    font-weight: 950;
}

.feature-item h3 {
    max-width: 520px;
    margin: 54px 0 18px;
    font-size: clamp(1.9rem, 3vw, 3.05rem);
    line-height: 1.02;
}

.feature-item p {
    max-width: 640px;
    margin: 0;
    color: var(--color-muted);
    font-size: 1.08rem;
}

@keyframes panel-in {
    from {
        opacity: 0;
        transform: translateY(16px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (max-width: 980px) {
    .product-grid {
        grid-template-columns: 1fr;
        gap: 42px;
    }

    .feature-list,
    .feature-item {
        min-height: auto;
    }
}

@media (max-width: 560px) {
    .product-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 8px;
    }

    .product-tabs button {
        flex: 0 0 auto;
    }
}