.product-view {
    --brand-primary: #0d6efd; 
    --radius: 1rem; 
    --shadow-1: 0 10px 28px rgba(0,0,0,.12); 
    --hero-h: clamp(320px, 45vh, 520px);
}

.product-view .hero-banner {
    position: relative;
    isolation: isolate;
    min-height: var(--hero-h);
    overflow: clip;
    background: #000; 
}

.product-view .hero-banner .hero-img {
    width: 100%;
    height: var(--hero-h);
    object-fit: cover;
    display: block;
    filter: brightness(.85);
    transform: scale(1.002);
}

.product-view .hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(0deg, rgba(0,0,0,.42), rgba(0,0,0,.42)), radial-gradient(80% 70% at 50% 60%, rgba(0,0,0,.18), rgba(0,0,0,0) 70%);
}

.product-view .hero-content {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex; /* was grid */
    flex-direction: column;
    justify-content: center; /* vertical center */
    align-items: center; /* horizontal center, no stretch */
    text-align: center;
    color: #fff;
    padding-inline: 1rem;
}

.product-view .hero-title {
    font-weight: 800;
    letter-spacing: .2px;
    font-size: clamp(2rem, 4vw + 1rem, 3rem);
    line-height: 1.1;
    text-shadow: 0 10px 28px rgba(0,0,0,.35);
    margin-bottom: .35rem;
}

.product-view .hero-subtitle {
    font-size: clamp(1rem, 1.1vw + .6rem, 1.25rem);
    opacity: .95;
    max-width: 900px;
    margin: 0 auto;
}

.product-view .section-title {
    font-weight: 750;
    letter-spacing: .15px;
    margin-bottom: .75rem;
}

.product-view .py-5 {
    padding-block: 3rem !important;
}

@media (min-width: 992px) {
    .product-view .py-5 {
        padding-block: 4rem !important;
    }
}

.product-view .ratio-box {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    border-radius: var(--radius);
}

.product-view .ratio-box > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-view .checklist {
    list-style: none;
    padding-left: 25px;
    margin: 0;
}

.product-view .checklist li {
    position: relative;
    padding-left: 1.8rem;
    margin: .45rem 0;
}

.product-view .checklist li::before {
    content: "●";
    position: absolute;
    left: 0;
    top: 0;
    color: black;
    font-weight: 800;
}

.product-view .feature-card {
    border: 1px solid rgba(0,0,0,.06);
    border-radius: var(--radius);
    overflow: hidden;
    height: 100%;
    background: #fff;
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.product-view .feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-1);
    border-color: rgba(0,0,0,.12);
}

.product-view .feature-card .card-img-top {
    height: 190px;
    width: 100%;
    object-fit: cover;
}

.product-view .feature-card .card-body {
    padding: 1rem 1.1rem 1.25rem;
}

.product-view .feature-card .card-title {
    font-weight: 700;
    margin-bottom: .35rem;
}

.product-view .cta-strip {
    background: linear-gradient(135deg, #f8f9fa, #eef2f7);
}

.product-view a.btn {
    border-radius: .75rem;
}

.product-view a.btn:focus-visible {
    outline: 3px solid rgba(13,110,253,.45);
    outline-offset: 2px;
}

@media (max-width: 575.98px) {
    .product-view .hero-title {
        font-size: clamp(1.9rem, 6vw + .5rem, 2.35rem);
    }

    .product-view .hero-subtitle {
        font-size: 1rem;
    }

    .product-view .feature-card .card-img-top {
        height: 170px;
    }
}

@media (min-width: 1200px) {
    .product-view .hero-subtitle {
        max-width: 940px;
    }
}