:root {
    --header-offset-servizi: 82px;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #2b2b2b;
    color: #f8f9fa;
    margin: 0;
    padding-top: 0;
}

.page-ferroacc #siteHeader .navbar {
    padding-top: 6px;
    padding-bottom: 6px;
}

.page-ferroacc #siteHeader .navbar-brand img {
    height: 38px;
}

.page-ferroacc #siteHeader .navbar-nav .nav-link {
    transform: scale(1);
}
.metal-showcase {
    min-height: 100vh;
    display: block;
    padding: var(--header-offset-servizi) 0 24px;
    box-sizing: border-box;
    overflow: visible;
}

.metal-intro {
    padding: 0 0 14px;
    position: relative;
    z-index: 5;
}

.metal-title {
    font-size: clamp(2rem, 3.8vw, 3rem);
    margin-bottom: 8px;
    line-height: 1.05;
    font-weight: 700;
}

.metal-subtitle {
    max-width: 760px;
    margin-bottom: 0;
    color: rgba(248, 249, 250, 0.9);
}
.metal-panels {
    display: flex;
    width: 100%;
    min-height: calc(100vh - var(--header-offset-servizi) - 190px);
}

.metal-panel {
    position: relative;
    flex: 1 1 0;
    min-height: 520px;
    overflow: hidden;
    cursor: pointer;
    transition: flex 0.45s ease;
    border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.metal-panel:last-child {
    border-right: none;
}

.metal-panel:focus-visible {
    outline: 3px solid #ffa500;
    outline-offset: -3px;
    z-index: 4;
}
.metal-panels:hover .metal-panel {
    flex: 0.9 1 0;
}

.metal-panels .metal-panel:hover {
    flex: 1.25 1 0;
}
.panel-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transform: scale(1);
    transition: transform 0.5s ease, filter 0.35s ease;
}
.panel-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to top, rgba(0, 0, 0, 0.78) 10%, rgba(0, 0, 0, 0.30) 55%, rgba(0, 0, 0, 0.15) 100%);
    transition: background 0.35s ease, opacity 0.35s ease;
}
.panel-content {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    padding: 22px 20px 24px;
    transform: translateY(0);
    transition: transform 0.35s ease;
}

.panel-kicker {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.9;
    margin-bottom: 10px;
}

.panel-title {
    font-size: clamp(1.7rem, 2.3vw, 2.4rem);
    font-weight: 700;
    margin: 0 0 10px;
    line-height: 1.05;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
    transition: transform 0.3s ease;
}

.panel-text {
    max-width: 420px;
    margin: 0;
    font-size: 1rem;
    line-height: 1.5;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.metal-panel:hover .panel-bg {
    transform: scale(1.06);
    filter: saturate(1.05);
}

.metal-panel:hover .panel-overlay {
    background:
        linear-gradient(to top, rgba(255, 165, 0, 0.88) 12%, rgba(255, 165, 0, 0.52) 55%, rgba(0, 0, 0, 0.18) 100%);
}

.metal-panel:hover .panel-content {
    transform: translateY(-6px);
}

.metal-panel:hover .panel-text {
    opacity: 1;
    transform: translateY(0);
}
.metal-panels:hover .metal-panel:not(:hover) .panel-text {
    opacity: 0;
    transform: translateY(16px);
}

.metal-panels:hover .metal-panel:not(:hover) .panel-bg {
    transform: scale(1);
    filter: brightness(0.78);
}

.metal-panel::before {
    content: "";
    position: absolute;
    top: 22px;
    bottom: 22px;
    left: 0;
    width: 4px;
    background: #ffa500;
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.3s ease;
    z-index: 3;
}

.metal-panel:hover::before {
    transform: scaleY(1);
}

.metal-panel:hover .panel-title {
    transform: translateY(-4px);
    transition: transform 0.3s ease;
}
@media (min-width: 1400px) {
    .panel-content {
        padding: 34px 30px 34px;
    }

    .panel-text {
        font-size: 1.05rem;
    }
}
@media (max-width: 991.98px) {

    :root {
        --header-offset-servizi: 92px;
    }

    .metal-showcase {
        height: auto;
        min-height: auto;
        display: block;
        padding: var(--header-offset-servizi) 0 40px;
        overflow: visible;
    }

    .metal-intro {
        padding: 0 0 18px;
    }

    .metal-panels {
        display: flex;
        flex-direction: column;
        gap: 16px;
        padding: 0 12px;
        height: auto;
    }

    .metal-panel,
    .metal-panels:hover .metal-panel,
    .metal-panels .metal-panel:hover {
        flex: unset;
        min-height: 320px;
        height: 320px;
        border-right: none;
        border-radius: 16px;
    }

    .panel-text {
        opacity: 1;
        transform: none;
    }
}
.metal-detail-host {
    width: 100%;
    padding: 28px 12px 0;
    display: block;
    clear: both;
}

.metal-detail {
    width: 100%;
    animation: metalDetailFade 0.28s ease;
}

.metal-detail-card {
    max-width: 1320px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.22);
}

.metal-detail-top {
    padding: 28px 28px 8px;
}

.metal-detail-title {
    font-size: 1.9rem;
    font-weight: 700;
    margin-bottom: 14px;
}

.metal-detail-text {
    color: rgba(248, 249, 250, 0.92);
    margin-bottom: 0;
}

.metal-detail-points {
    list-style: none;
    padding: 0;
    margin: 18px 0 0;
}

.metal-detail-points li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 8px 0;
    color: rgba(248, 249, 250, 0.96);
}

.metal-detail-points i {
    font-size: 1.05rem;
}

.metal-detail-section {
    padding: 26px 28px 30px;
}

.metal-detail-section.alt {
    background: rgba(255, 255, 255, 0.03);
}

.metal-section-title {
    font-size: 1.45rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.metal-grid {
    display: grid;
    gap: 20px;
}

.metal-grid.marchi-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
}

.metal-grid.cataloghi-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}
.marchio-card {
    display: block;
    text-decoration: none;
    color: inherit;
}

.marchio-box {
    height: 120px;
    border-radius: 12px;
    background: #F8F6F2;
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

a.marchio-card:hover .marchio-box,
a.marchio-card:focus-visible .marchio-box {
    transform: translateY(-3px);
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.28);
}

.marchio-logo {
    max-height: 70px;
    max-width: 100%;
    object-fit: contain;
    opacity: 0.95;
}

.catalogo-card.card {
    background-color: #333;
    border: none;
    border-radius: 12px;
    overflow: hidden;
    color: #f8f9fa;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
    height: 100%;
    text-decoration: none;
}

.catalogo-card.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.35);
}


.catalogo-card.card:focus-visible,
a.marchio-card:focus-visible {
    outline: 3px solid #ffa500;
    outline-offset: 3px;
}

.catalogo-card .card-img-top {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: contain;
    background: #222;
    padding: 10px;
}

.catalogo-card .card-title {
    margin: 0;
    font-size: 1.05rem;
}
.metal-panel.is-active::before {
    transform: scaleY(1);
}

.metal-panel.is-active .panel-overlay {
    background:
        linear-gradient(to top, rgba(255, 165, 0, 0.88) 12%, rgba(255, 165, 0, 0.52) 55%, rgba(0, 0, 0, 0.18) 100%);
}

.metal-panel.is-active .panel-title {
    transform: translateY(-4px);
}

.metal-video-cta {
    padding: 8px 28px 26px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.metal-video-cta .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

@media (max-width: 575px) {
    .metal-video-cta {
        padding: 6px 18px 24px;
        width: 100%;
    }

    .metal-video-cta .btn {
        width: 100%;
        text-align: center;
    }
}

@keyframes metalDetailFade {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}
@media (max-width: 991.98px) {
    .metal-detail-host {
        padding: 0;
    }

    .metal-detail {
        margin-top: 0;
    }

    .metal-detail-card {
        border-radius: 16px;
        margin-top: 2px;
    }

    .metal-detail-top,
    .metal-detail-section {
        padding-left: 18px;
        padding-right: 18px;
    }

    .metal-grid.marchi-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .metal-grid.cataloghi-grid {
        grid-template-columns: 1fr;
    }
}

.metal-detail {
    margin-top: 0;
}

.metal-detail-card {
    width: 100%;
}

.metal-panel.is-active {
    flex: 1.15 1 0;
}

.metal-panels.has-open-detail .metal-panel {
    flex: 1 1 0;
}

.metal-panels.has-open-detail .metal-panel.is-active .panel-text {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 991.98px) {
    .metal-panels {
        min-height: auto;
    }

    .metal-panel {
        min-height: 320px;
    }

    .metal-detail {
        padding: 0 12px;
        margin-top: -4px;
    }

    .metal-detail-card {
        border-radius: 16px;
    }
}