.fr-product-lines { padding: 70px 0 80px; background: transparent; }
.fr-product-lines__eyebrow {
    text-align: center;
    color: var(--fr-red);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .12em;
    margin: 0 0 10px;
    text-transform: uppercase;
}
.fr-product-lines__title {
    text-align: center;
    color: var(--fr-dark);
    font-size: 30px;
    font-weight: 600;
    margin: 0 0 50px;
    line-height: 1.25;
}
.fr-product-lines__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.fr-product-lines__card {
    display: block;
    text-align: center;
    color: var(--fr-dark);
    text-decoration: none;
}

/* Flip box */
.fr-product-lines__flip {
    position: relative;
    width: 100%;
    aspect-ratio: 3 / 4;
    margin-bottom: 18px;
    perspective: 1200px;
}
.fr-product-lines__face {
    position: absolute;
    inset: 0;
    border-radius: 14px;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transition: transform .7s cubic-bezier(.4,.2,.2,1);
    box-shadow: 0 6px 18px rgba(0,0,0,.08);
    overflow: hidden;
}
.fr-product-lines__face--front {
    background-size: cover;
    background-position: center;
    background-color: #eee;
    transform: rotateY(0deg);
    z-index: 2;
}
.fr-product-lines__face--back {
    background-color: #1a1a1a;
    background-size: cover;
    background-position: center;
    color: #fff;
    transform: rotateY(180deg);
    text-align: center;
    box-sizing: border-box;
}
.fr-product-lines__face--back::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, .72);
    z-index: 1;
}
.fr-product-lines__back-inner {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 28px 24px;
    box-sizing: border-box;
}
.fr-product-lines__card:hover .fr-product-lines__face--front,
.fr-product-lines__card:focus-within .fr-product-lines__face--front {
    transform: rotateY(-180deg);
}
.fr-product-lines__card:hover .fr-product-lines__face--back,
.fr-product-lines__card:focus-within .fr-product-lines__face--back {
    transform: rotateY(0deg);
}

.fr-product-lines__back-title {
    margin: 0 0 12px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: #fff;
    line-height: 1.3;
}
.fr-product-lines__back-img {
    display: block;
    max-width: 70%;
    max-height: 45%;
    width: auto;
    height: auto;
    object-fit: contain;
    margin: 0 auto 22px;
}
.fr-product-lines__btn {
    display: inline-block;
    padding: 9px 26px;
    background: transparent;
    color: #fff;
    border: 1.5px solid #fff;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    text-decoration: none;
    transition: background-color .2s, color .2s;
}
.fr-product-lines__btn:hover {
    background: #fff;
    color: #1a1a1a;
}

.fr-product-lines__label {
    display: block;
    font-size: 17px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: #333;
}

@media (max-width: 860px) {
    .fr-product-lines__grid { grid-template-columns: repeat(2, 1fr); }
    .fr-product-lines__title { font-size: 24px; }
    .fr-product-lines__back-title { font-size: 14px; }
}
@media (max-width: 520px) {
    .fr-product-lines__grid { grid-template-columns: 1fr; }
}