:root {
            --cases-orange: #ff6600;
            --cases-ink: #17191d;
            --cases-muted: rgba(23, 25, 29, 0.62);
            --cases-line: rgba(20, 24, 30, 0.1);
            --cases-bg: #f3f5f7;
            --cases-card: #ffffff;
        }

        body.cases-page {
            margin: 0;
            background: var(--cases-bg);
            color: var(--cases-ink);
        }

        .cases-page-main {
            overflow-x: hidden;
            background: var(--cases-bg);
        }

        .cases-shell {
            width: min(1180px, calc(100% - 48px));
            margin: 0 auto;
        }

        .case-feature {
            position: relative;
            padding: 112px 0 76px;
            background: #fff;
        }

        .case-feature-viewport {
            width: 100%;
            overflow: hidden;
        }

        .case-feature-track {
            display: flex;
            transition: transform 720ms cubic-bezier(0.22, 1, 0.36, 1);
            will-change: transform;
        }

        .case-feature-slide {
            flex: 0 0 100%;
            background: #fff;
        }

        .case-feature-slide-inner {
            width: min(1180px, calc(100% - 48px));
            margin: 0 auto;
        }

        .case-feature-grid {
            display: grid;
            grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
            gap: clamp(42px, 6vw, 86px);
            align-items: center;
            min-height: 520px;
        }

        .case-feature-copy {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .case-industry-pill {
            display: inline-flex;
            align-items: center;
            width: max-content;
            min-height: 28px;
            padding: 0 12px;
            border-radius: 4px;
            color: var(--pill-color, #ff6600);
            background: var(--pill-bg, rgba(255, 102, 0, 0.1));
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.04em;
        }

        .case-feature-title {
            margin: 24px 0 0;
            max-width: 580px;
            font-size: clamp(30px, 3.4vw, 46px);
            line-height: 1.22;
            font-weight: 780;
        }

        .case-feature-subtitle {
            margin: 14px 0 0;
            color: var(--cases-orange);
            font-size: clamp(17px, 1.5vw, 22px);
            line-height: 1.55;
            font-weight: 700;
        }

        .case-feature-desc {
            margin: 22px 0 0;
            max-width: 620px;
            color: var(--cases-muted);
            font-size: 15px;
            line-height: 1.95;
        }

        .case-system-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 30px;
        }

        .case-system-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 30px;
            color: rgba(23, 25, 29, 0.7);
            font-size: 12px;
            letter-spacing: 0.02em;
        }

        .case-system-chip svg {
            width: 15px;
            height: 15px;
            color: var(--cases-orange);
            flex: 0 0 auto;
        }

        .case-feature-media {
            position: relative;
            aspect-ratio: 16 / 10;
            border-radius: 8px;
            overflow: hidden;
            background: #d9dde3;
            box-shadow: 0 26px 70px rgba(20, 24, 32, 0.16);
        }

        .case-feature-media img {
            width: 100%;
            height: 100%;
            display: block;
            object-fit: cover;
        }

        .case-switcher {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin-top: 34px;
        }

        .case-switcher button {
            width: 42px;
            height: 4px;
            border: 0;
            border-radius: 999px;
            background: rgba(20, 24, 30, 0.16);
            cursor: pointer;
            transition: background 0.22s ease, width 0.22s ease;
        }

        .case-switcher button.is-active {
            width: 58px;
            background: var(--cases-orange);
        }

        .case-feature-arrow {
            position: absolute;
            top: 50%;
            z-index: 3;
            width: 46px;
            height: 46px;
            border: 1px solid rgba(20, 24, 30, 0.1);
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(23, 25, 29, 0.72);
            background: rgba(255, 255, 255, 0.84);
            box-shadow: 0 16px 42px rgba(20, 24, 32, 0.1);
            backdrop-filter: blur(12px);
            transform: translateY(-50%);
            cursor: pointer;
            transition: transform 0.22s ease, color 0.22s ease, border-color 0.22s ease, background 0.22s ease;
        }

        .case-feature-arrow:hover {
            color: var(--cases-orange);
            border-color: rgba(255, 102, 0, 0.35);
            background: #fff;
            transform: translateY(-50%) scale(1.04);
        }

        .case-feature-arrow svg {
            width: 22px;
            height: 22px;
        }

        .case-feature-arrow--prev {
            left: max(24px, calc((100vw - 1360px) / 2));
        }

        .case-feature-arrow--next {
            right: max(24px, calc((100vw - 1360px) / 2));
        }

        .case-gallery {
            padding: 72px 0 96px;
            background: var(--cases-bg);
        }

        .case-section-head {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 28px;
            margin-bottom: 26px;
        }

        .case-section-head h2 {
            margin: 0;
            font-size: clamp(28px, 3vw, 42px);
            line-height: 1.18;
            font-weight: 780;
        }

        .case-section-head p {
            margin: 0;
            max-width: 520px;
            color: var(--cases-muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .case-filter-panel {
            display: grid;
            gap: 14px;
            padding: 18px 20px;
            margin-bottom: 30px;
            border: 1px solid var(--cases-line);
            border-radius: 8px;
            background: #fff;
        }

        .case-filter-row {
            display: grid;
            grid-template-columns: 64px minmax(0, 1fr);
            gap: 16px;
            align-items: start;
        }

        .case-filter-label {
            color: rgba(23, 25, 29, 0.48);
            font-size: 13px;
            font-weight: 700;
            line-height: 34px;
        }

        .case-filter-options {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .case-filter-btn {
            min-height: 28px;
            padding: 0 12px;
            border: 1px solid rgba(20, 24, 30, 0.08);
            border-radius: 4px;
            color: rgba(23, 25, 29, 0.64);
            background: rgba(23, 25, 29, 0.04);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.04em;
            cursor: pointer;
            transition: transform 0.2s ease, color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
        }

        .case-filter-btn:hover {
            transform: translateY(-1px);
            border-color: rgba(255, 102, 0, 0.32);
            color: var(--cases-orange);
        }

        .case-filter-btn.is-active {
            color: #fff;
            border-color: var(--cases-orange);
            background: var(--cases-orange);
        }

        .case-card-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 22px;
        }

        .case-card {
            border-radius: 8px;
            overflow: hidden;
            background: var(--cases-card);
            box-shadow: 0 18px 48px rgba(20, 24, 32, 0.08);
            opacity: 1;
            filter: blur(0);
            transition: opacity 0.34s ease, transform 0.34s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.25s ease, filter 0.34s ease;
        }

        .case-card[hidden] {
            display: none;
        }

        .case-card.is-filtering-out {
            opacity: 0;
            transform: translateY(14px) scale(0.985);
            filter: blur(2px);
            pointer-events: none;
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 26px 64px rgba(20, 24, 32, 0.13);
        }

        .case-card.is-filtering-out:hover {
            transform: translateY(14px) scale(0.985);
            box-shadow: 0 18px 48px rgba(20, 24, 32, 0.08);
        }

        .case-card-image {
            aspect-ratio: 16 / 10.4;
            background: #d7dbe1;
            overflow: hidden;
        }

        .case-card-image img {
            width: 100%;
            height: 100%;
            display: block;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

        .case-card:hover .case-card-image img {
            transform: scale(1.045);
        }

        .case-card-copy {
            padding: 18px 18px 20px;
        }

        .case-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
        }

        .case-leak-rate {
            color: rgba(23, 25, 29, 0.58);
            font-size: 12px;
            font-weight: 700;
            line-height: 1.35;
            white-space: nowrap;
        }

        .case-leak-rate sup {
            font-size: 0.72em;
            line-height: 0;
        }

        .industry-defense { --pill-color: #d65333; --pill-bg: rgba(214, 83, 51, 0.12); }
        .industry-medical { --pill-color: #2d9f78; --pill-bg: rgba(45, 159, 120, 0.12); }
        .industry-electronics { --pill-color: #2b72d6; --pill-bg: rgba(43, 114, 214, 0.12); }
        .industry-semiconductor { --pill-color: #7b61ff; --pill-bg: rgba(123, 97, 255, 0.12); }
        .industry-precision { --pill-color: #b36b17; --pill-bg: rgba(179, 107, 23, 0.13); }
        .industry-energy { --pill-color: #168a96; --pill-bg: rgba(22, 138, 150, 0.12); }

        .case-empty {
            display: none;
            padding: 42px;
            border: 1px dashed rgba(20, 24, 30, 0.18);
            border-radius: 8px;
            color: rgba(23, 25, 29, 0.56);
            background: rgba(255, 255, 255, 0.72);
            text-align: center;
        }

        .case-empty.is-visible {
            display: block;
        }

        .cases-page #site-cta {
            position: relative;
            z-index: 2;
        }

        .cases-page #section-footer {
            margin-top: 0;
        }

        @media (max-width: 980px) {
            .case-feature-grid {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 720px) {
            .cases-shell {
                width: min(100% - 32px, 1180px);
            }

            .case-feature {
                padding: 96px 0 58px;
            }

            .case-feature-slide-inner {
                width: min(100% - 32px, 1180px);
            }

            .case-feature-arrow {
                width: 40px;
                height: 40px;
                top: auto;
                bottom: 46px;
                transform: none;
            }

            .case-feature-arrow:hover {
                transform: scale(1.04);
            }

            .case-feature-arrow--prev {
                left: 16px;
            }

            .case-feature-arrow--next {
                right: 16px;
            }

            .case-section-head {
                display: block;
            }

            .case-section-head p {
                margin-top: 12px;
            }

            .case-filter-row {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .case-filter-label {
                line-height: 1.2;
            }

            .case-card-grid {
                grid-template-columns: 1fr;
            }

        }


#section-footer .footer-layout-shell {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100%;
}
#section-footer .footer-main,
#section-footer .footer-bottom,
#section-footer .footer-copyright {
    position: relative;
    z-index: 1;
}
#section-footer .footer-divider {
    margin-top: clamp(24px, 3vh, 36px);
    margin-bottom: clamp(16px, 2vh, 24px);
}
#section-footer .footer-bottom {
    margin-bottom: clamp(12px, 2vh, 24px);
}

#section-footer .footer-layout-shell {
    justify-content: flex-start;
    padding-top: clamp(350px, 28vh, 350px);
    padding-bottom: clamp(28px, 4vh, 44px);
}
#section-footer.fullscreen-section {
    min-height: auto !important;
    height: auto !important;
    position: relative;
    z-index: 1;
}
#section-footer .footer-main {
    width: min(1280px, 100%);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 2fr;
    gap: clamp(40px, 6vw, 96px);
    align-items: start;
}
#section-footer .footer-logo-wrap {
    display: flex;
    align-items: center;
}
#section-footer .footer-logo {
    height: clamp(34px, 3.2vw, 42px);
    width: auto;
    display: block;
}
#section-footer .footer-brand .section-lead {
    margin: 18px 0 0;
    text-align: left;
    color: rgba(255,255,255,0.58);
    line-height: 1.8;
    max-width: 420px;
}
#section-footer .footer-contact-form {
    margin-top: 18px;
    max-width: 420px;
    display: grid;
    gap: 10px;
}
#section-footer .footer-contact-form input,
#section-footer .footer-contact-form textarea {
    width: 100%;
    border: 1px solid rgba(255,255,255,0.18);
    background: rgba(0,0,0,0.32);
    color: #fff;
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 13px;
}
#section-footer .footer-contact-form textarea { resize: vertical; min-height: 64px; }
#section-footer .footer-contact-form button {
    width: 124px;
    border: 0;
    border-radius: 999px;
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    background: #ff6a00;
    cursor: pointer;
}
#section-footer .footer-nav .footer-columns {
    display: grid;
    grid-template-columns: repeat(5, minmax(90px, 1fr));
    gap: clamp(20px, 2.5vw, 48px);
    justify-content: start;
}
@media (max-width: 1024px) {
    #section-footer .footer-layout-shell {
        padding-top: clamp(160px, 18vh, 210px);
    }
    #section-footer .footer-main {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    #section-footer .footer-contact-form {
        max-width: 100%;
    }
    #section-footer .footer-nav .footer-columns {
        grid-template-columns: repeat(2, minmax(120px, 1fr));
    }
}
@media (max-width: 768px) {
    #section-footer .footer-layout-shell {
        padding-top: 72px;
    }
}