.link-underline {
    position: relative;
}

.link-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.link-underline:hover::after,
.link-underline.is-active::after {
    transform: scaleX(1);
}

.link-underline.is-active,
.site-footer-link.is-active,
.site-footer-service.is-active {
    color: #1A4A8C;
}

.site-nav-group {
    position: relative;
}

.site-nav-group::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    width: 240px;
    height: 18px;
}

.site-nav-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.site-nav-caret {
    width: 10px;
    height: 10px;
    transition: transform 0.3s ease;
}

.site-nav-group:hover .site-nav-caret,
.site-nav-group:focus-within .site-nav-caret {
    transform: rotate(180deg);
}

.site-submenu {
    position: absolute;
    top: calc(100% + 18px);
    left: 0;
    min-width: 220px;
    padding: 10px;
    background: #fff;
    border: 2px solid #000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition:
        opacity 0.28s ease,
        transform 0.28s ease,
        visibility 0.28s ease;
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.08);
}

.site-nav-group:hover .site-submenu,
.site-nav-group:focus-within .site-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.site-submenu-link {
    display: block;
    padding: 12px 14px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    transition: color 0.25s ease, background-color 0.25s ease;
}

.site-submenu-link:hover,
.site-submenu-link.is-active {
    color: #1A4A8C;
    background: #F5F0EB;
}

.mobile-drilldown {
    width: 100%;
}

.mobile-drilldown-toggle {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    color: #fff;
    font-size: 2.25rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.04em;
    text-transform: uppercase;
    cursor: pointer;
    transition: color 0.25s ease;
}

.mobile-drilldown-toggle::-webkit-details-marker {
    display: none;
}

.mobile-drilldown[open] .mobile-drilldown-toggle,
.mobile-drilldown-toggle.is-active {
    color: #1A4A8C;
}

.mobile-drilldown-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    font-size: 20px;
    transition: transform 0.3s ease;
}

.mobile-drilldown[open] .mobile-drilldown-arrow {
    transform: rotate(45deg);
}

.mobile-drilldown-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-top: 18px;
}

.mobile-submenu-link {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.56);
    transition: color 0.25s ease;
}

.mobile-submenu-link:hover,
.mobile-submenu-link.is-active {
    color: #1A4A8C;
}

.detail-hero-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.detail-hero-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 11px 15px;
    border: 2px solid #000;
    background: rgba(255, 255, 255, 0.72);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    flex: 1 1 0;
    justify-content: center;
    min-width: 130px;
    transition:
        background-color 0.25s ease,
        color 0.25s ease,
        border-color 0.25s ease,
        transform 0.25s ease;
}

.detail-hero-link:hover {
    background: #000;
    color: #fff;
    transform: translateY(-1px);
}

.detail-hero-link-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
}

.detail-hero-link-icon svg {
    width: 14px;
    height: 14px;
}

.detail-section {
    display: grid;
    gap: 2rem;
}

.detail-section-top {
    display: grid;
    gap: 2.5rem;
}

.detail-section-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.detail-section-media {
    min-height: 320px;
    height: 100%;
    align-self: stretch;
}

.detail-section-cards {
    display: grid;
    gap: 1rem;
    width: 100%;
    max-width: 860px;
    margin-inline: auto;
}

.detail-section-cards > * {
    min-height: 148px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.storage-metric-card,
.industrial-metric-card,
.treatment-metric-card,
.build-metric-card,
.di-metric-card,
.sm-metric-card,
.ur-metric-card {
    min-height: 154px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.storage-image-frame,
.industrial-image-frame,
.treatment-image-frame,
.build-image-frame,
.di-image-frame,
.sm-image-frame,
.ur-image-frame {
    background: #000;
}

/* Global paragraph text alignment */
p {
    text-align: left;
}

@media (max-width: 767px) {
    .detail-hero-links {
        gap: 10px;
        margin-top: 22px;
    }

    .detail-hero-link {
        width: 100%;
        justify-content: space-between;
    }

    .detail-section-cards > *,
    .storage-metric-card,
    .industrial-metric-card,
    .treatment-metric-card,
    .build-metric-card,
    .di-metric-card,
    .sm-metric-card,
    .ur-metric-card {
        min-height: 0;
    }
}

@media (min-width: 640px) {
    .detail-section-cards {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (min-width: 768px) {
    .detail-section-media {
        min-height: 420px;
    }
}

/*
 * Laptop layout calibration
 * Keeps the content system consistent at common 1024–1439px laptop widths
 * without changing the established mobile or large-desktop compositions.
 */
@media (min-width: 1024px) and (max-width: 1439px) {
    html {
        overflow-x: hidden;
    }

    main > section:first-child:not(.article-hero) h1 {
        font-size: 5rem !important;
        line-height: 0.92 !important;
    }

    .storage-hero > .max-w-7xl > .grid,
    .industrial-hero > .max-w-7xl > .grid,
    .treatment-hero > .max-w-7xl > .grid,
    .build-hero > .max-w-7xl > .grid,
    .di-hero > .max-w-7xl > .grid,
    .sm-hero > .max-w-7xl > .grid,
    .ur-hero > .max-w-7xl > .grid {
        grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr) !important;
        gap: 3rem !important;
    }

    .detail-hero-links {
        gap: 0.625rem;
    }

    .detail-hero-link {
        min-height: 48px;
        padding: 10px 12px;
        font-size: 10px;
    }

    .storage-metric-card,
    .industrial-metric-card,
    .treatment-metric-card,
    .build-metric-card,
    .di-metric-card,
    .sm-metric-card,
    .ur-metric-card {
        min-width: 0;
        height: 184px;
        min-height: 184px;
        padding: 1.25rem !important;
        justify-content: flex-start;
    }

    .storage-metric-card > p:nth-of-type(1),
    .industrial-metric-card > p:nth-of-type(1),
    .treatment-metric-card > p:nth-of-type(1),
    .build-metric-card > p:nth-of-type(1),
    .di-metric-card > p:nth-of-type(1),
    .sm-metric-card > p:nth-of-type(1),
    .ur-metric-card > p:nth-of-type(1) {
        font-size: 1.5rem !important;
        line-height: 1.05;
    }

    .detail-section {
        gap: 1.5rem;
    }

    .detail-section-top {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 3rem !important;
        align-items: stretch;
    }

    .detail-section-media {
        min-height: 440px;
    }

    .detail-section-copy h2 {
        font-size: 3.25rem !important;
        line-height: 0.98 !important;
    }

    .detail-section-copy > p {
        max-width: 36rem;
        font-size: 15px !important;
        line-height: 1.72 !important;
    }

    .detail-section-cards {
        max-width: none;
        margin-inline: 0;
        gap: 1rem;
    }

    .detail-section-cards > * {
        height: 184px;
        min-height: 184px;
        padding: 1.5rem !important;
        justify-content: flex-start;
    }

    .detail-section-cards > * > p:last-child {
        font-size: 14px !important;
        line-height: 1.65 !important;
    }

    .build-overview-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 3rem !important;
        align-items: stretch !important;
    }

    .build-overview-grid .build-image-frame {
        min-height: 440px !important;
    }

    .build-overview-copy {
        display: flex;
        min-width: 0;
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
    }

    .build-overview-copy h2 {
        width: 100%;
        font-size: 3.25rem !important;
        line-height: 0.98 !important;
    }

    .build-overview-copy > p {
        width: 100%;
        max-width: 36rem;
        font-size: 15px !important;
        line-height: 1.72 !important;
    }

    .news-card {
        height: 362px;
    }
}

@keyframes marquee-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-25%); }
}

.marquee-track {
    width: max-content;
    animation: marquee-scroll 30s linear infinite;
}

.marquee-track:hover {
    animation-play-state: paused;
}

.mobile-menu {
    clip-path: circle(0% at calc(100% - 36px) 36px);
    transition: clip-path 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-menu.open {
    clip-path: circle(150% at calc(100% - 36px) 36px);
}