/*** Engineering Case Studies (scoped) ***/
.engineering-case-studies {
    --ecs-accent: var(--steel);
    --ecs-accent-soft: rgba(74, 123, 167, 0.10);
    --ecs-text: var(--charcoal);
    --ecs-muted: #5B6775;
    --ecs-meta: #5B6775;
    --ecs-gray: #5B6775;
    --ecs-border: #D5DDE5;
    --ecs-filter-border: #D5DDE5;
    --ecs-bg: var(--light);
    --ecs-white: #fff;
    --ecs-heading: "IBM Plex Sans", "Segoe UI", sans-serif;
    --ecs-body-font: "Source Sans 3", "Segoe UI", sans-serif;
    background-color: var(--ecs-bg);
    padding: 75px 0 80px;
    overflow-x: hidden;
    font-family: var(--ecs-body-font);
    color: #828282;
}

.engineering-case-studies * {
    box-sizing: border-box;
}

.engineering-case-studies .ecs-container {
    width: 100%;
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 15px;
}

.engineering-case-studies .ecs-hero {
    text-align: center;
    margin: 0 auto 32px;
    max-width: 945px;
}

.engineering-case-studies .ecs-hero__eyebrow {
    display: inline-block;
    margin: 0 0 12px;
    font-family: var(--ecs-heading);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ecs-accent);
    line-height: 1.6;
}

.engineering-case-studies .ecs-hero__title {
    margin: 0 0 18px;
    font-family: var(--ecs-heading);
    font-size: 36px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ecs-text);
    line-height: 1.2;
}

.engineering-case-studies .ecs-hero__title span {
    color: var(--ecs-accent);
}

.engineering-case-studies .ecs-hero__desc a {
    color: var(--ecs-accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.engineering-case-studies .ecs-hero__desc a:hover {
    color: var(--ecs-text);
}

.engineering-case-studies .ecs-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin: 0 0 45px;
    padding: 0;
    list-style: none;
}

.engineering-case-studies .ecs-filter__btn {
    display: inline-block;
    padding: 10px 20px;
    font-family: var(--ecs-heading);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    line-height: 1.6;
    text-transform: uppercase;
    color: var(--ecs-muted);
    background: var(--ecs-white);
    border: 1px solid var(--ecs-filter-border);
    border-radius: 2px;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.engineering-case-studies .ecs-filter__btn:hover,
.engineering-case-studies .ecs-filter__btn.is-active {
    color: var(--ecs-white);
    background: var(--ecs-accent);
    border-color: var(--ecs-accent);
}

.engineering-case-studies .ecs-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.engineering-case-studies .ecs-item {
    display: flex;
    flex-direction: column;
    min-width: 0;
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.engineering-case-studies .ecs-item.is-hidden {
    display: none;
}

.engineering-case-studies .ecs-card {
    display: flex;
    flex-direction: column;
    flex: 1;
    height: 100%;
    background: var(--ecs-white);
    border: 1px solid var(--ecs-border);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.engineering-case-studies .ecs-card:hover {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.09);
    transform: translateY(-4px);
}

.engineering-case-studies .ecs-card__media {
    display: block;
    position: relative;
    width: 100%;
    margin: 0;
    padding: 0;
    border: 0;
    overflow: hidden;
    background: #e8eaed;
    aspect-ratio: 16 / 10;
    cursor: pointer;
    text-align: left;
    appearance: none;
    -webkit-appearance: none;
}

.engineering-case-studies .ecs-card__media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}

.engineering-case-studies .ecs-card:hover .ecs-card__media img {
    transform: scale(1.05);
}

.engineering-case-studies .ecs-card__count {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 2;
    padding: 5px 10px;
    font-family: var(--ecs-heading);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.1em;
    line-height: 1.6;
    text-transform: uppercase;
    color: var(--ecs-white);
    background: rgba(0, 0, 0, 0.55);
    border-radius: 2px;
}

.engineering-case-studies .ecs-card__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--ecs-heading);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ecs-white);
    background: rgba(183, 141, 101, 0.88);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.engineering-case-studies .ecs-card__overlay i {
    font-size: 16px;
}

.engineering-case-studies .ecs-card:hover .ecs-card__overlay,
.engineering-case-studies .ecs-card__media:focus .ecs-card__overlay,
.engineering-case-studies .ecs-card__media:focus-visible .ecs-card__overlay {
    opacity: 1;
}

.engineering-case-studies .ecs-card__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 22px 22px 26px;
}

.engineering-case-studies .ecs-card__tag {
    display: inline-block;
    align-self: flex-start;
    margin-bottom: 10px;
    padding: 4px 10px;
    font-family: var(--ecs-heading);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ecs-accent);
    background: var(--ecs-accent-soft);
    border-radius: 2px;
}

.engineering-case-studies .ecs-card__title {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0 0 8px;
    font-family: var(--ecs-heading);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--ecs-text);
    line-height: 1.35;
}

.engineering-case-studies .ecs-card__meta {
    margin: 0 0 12px;
    font-size: 12px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ecs-meta);
}

.engineering-case-studies .ecs-card__scope {
    flex: 1;
    margin: 0 0 14px;
    font-size: 14px;
    line-height: 1.7;
    color: var(--ecs-muted);
}

.engineering-case-studies .ecs-card__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: auto;
    padding: 0;
    font-family: var(--ecs-heading);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ecs-accent);
    background: none;
    border: 0;
    cursor: pointer;
    transition: color 0.2s ease;
}

.engineering-case-studies .ecs-card__link:hover {
    color: var(--ecs-text);
}

body.ecs-modal-open {
    overflow: hidden;
}

.engineering-case-studies .ecs-modal {
    position: fixed;
    inset: 0;
    z-index: 10050;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.engineering-case-studies .ecs-modal.is-open {
    opacity: 1;
    visibility: visible;
}

.engineering-case-studies .ecs-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    cursor: pointer;
}

.engineering-case-studies .ecs-modal__dialog {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1040px;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    background: var(--ecs-white);
    border-radius: 4px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.28);
}

.engineering-case-studies .ecs-modal__close {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 3;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--ecs-muted);
    background: var(--ecs-white);
    border: 1px solid var(--ecs-filter-border);
    border-radius: 50%;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.engineering-case-studies .ecs-modal__close:hover {
    color: var(--ecs-accent);
    border-color: var(--ecs-accent);
}

.engineering-case-studies .ecs-modal__header {
    padding: 32px 56px 24px 32px;
    border-bottom: 1px solid var(--ecs-border);
    background: linear-gradient(180deg, #fafbfc 0%, #fff 100%);
}

.engineering-case-studies .ecs-modal__tag {
    display: inline-block;
    margin-bottom: 10px;
    padding: 4px 10px;
    font-family: var(--ecs-heading);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ecs-accent);
    background: var(--ecs-accent-soft);
    border-radius: 2px;
}

.engineering-case-studies .ecs-modal__title {
    margin: 0 0 14px;
    font-family: var(--ecs-heading);
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--ecs-text);
    line-height: 1.35;
}

.engineering-case-studies .ecs-modal__facts {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 24px;
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 13px;
    color: var(--ecs-muted);
}

.engineering-case-studies .ecs-modal__facts li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.engineering-case-studies .ecs-modal__facts i {
    color: var(--ecs-accent);
}

.engineering-case-studies .ecs-modal__body {
    padding: 28px 32px 36px;
}

.engineering-case-studies .ecs-case__section {
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--ecs-border);
}

.engineering-case-studies .ecs-case__section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: 0;
}

.engineering-case-studies .ecs-case__section--highlight {
    padding: 20px 22px;
    background: #fafbfc;
    border: 1px solid var(--ecs-border);
    border-radius: 3px;
}

.engineering-case-studies .ecs-case__section--result {
    padding: 20px 22px;
    background: rgba(183, 141, 101, 0.04);
    border: 1px solid rgba(183, 141, 101, 0.15);
    border-radius: 3px;
}

.engineering-case-studies .ecs-case__specs {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px 24px;
    margin: 0;
}

.engineering-case-studies .ecs-case__spec {
    margin: 0;
}

.engineering-case-studies .ecs-case__spec dt {
    margin: 0 0 4px;
    font-family: var(--ecs-heading);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ecs-meta);
}

.engineering-case-studies .ecs-case__spec dd {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
}

.engineering-case-studies .ecs-case__text {
    margin: 0;
    font-size: 15px;
    line-height: 1.85;
    color: #444;
}

.engineering-case-studies .ecs-case__result {
    margin: 0;
    font-size: 15px;
    line-height: 1.75;
    color: #333;
    font-weight: 600;
}

.engineering-case-studies .ecs-case__list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.engineering-case-studies .ecs-case__list li {
    position: relative;
    padding: 7px 0 7px 18px;
    font-size: 14px;
    line-height: 1.55;
    color: #555;
    border-bottom: 1px solid #f0f1f3;
}

.engineering-case-studies .ecs-case__list li:last-child {
    border-bottom: 0;
}

.engineering-case-studies .ecs-case__list li::before {
    content: "•";
    position: absolute;
    left: 0;
    top: 7px;
    color: var(--ecs-accent);
    font-weight: 700;
}

.engineering-case-studies .ecs-case__list--checks li {
    padding-left: 22px;
}

.engineering-case-studies .ecs-case__list--checks li::before {
    content: "\f00c";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    font-size: 11px;
    top: 9px;
}

.engineering-case-studies .ecs-modal__heading {
    margin: 0 0 14px;
    font-family: var(--ecs-heading);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ecs-text);
}

.engineering-case-studies .ecs-modal__gallery-hint {
    font-weight: 400;
    letter-spacing: 0.04em;
    text-transform: none;
    color: var(--ecs-meta);
}

.engineering-case-studies .ecs-modal__gallery-block {
    margin-top: 8px;
    padding-top: 28px;
    border-top: 1px solid var(--ecs-border);
}

.engineering-case-studies .ecs-modal__gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.engineering-case-studies .ecs-modal__thumb {
    display: block;
    position: relative;
    overflow: hidden;
    background: #e8eaed;
    border: 1px solid var(--ecs-filter-border);
    border-radius: 3px;
    aspect-ratio: 4 / 3;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.engineering-case-studies .ecs-modal__thumb:hover {
    border-color: var(--ecs-accent);
    box-shadow: 0 6px 20px rgba(183, 141, 101, 0.2);
}

.engineering-case-studies .ecs-modal__thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.engineering-case-studies .ecs-modal__thumb:hover img {
    transform: scale(1.04);
}

.engineering-case-studies .ecs-modal__thumb-label {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 6px 8px;
    font-family: var(--ecs-heading);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: center;
    color: var(--ecs-white);
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.65));
}

.engineering-case-studies .ecs-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10061;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(0, 0, 0, 0.88);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.engineering-case-studies .ecs-lightbox.is-open {
    opacity: 1;
    visibility: visible;
}

.engineering-case-studies .ecs-lightbox img {
    max-width: min(100%, 1200px);
    max-height: calc(100vh - 120px);
    object-fit: contain;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
}

.engineering-case-studies .ecs-lightbox__caption {
    margin: 0 0 12px;
    font-family: var(--ecs-heading);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.85);
}

.engineering-case-studies .ecs-lightbox__close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    cursor: pointer;
}

.engineering-case-studies .ecs-lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.engineering-case-studies .ecs-lightbox__nav:hover:not(:disabled) {
    background: rgba(183, 141, 101, 0.85);
    border-color: rgba(183, 141, 101, 0.85);
}

.engineering-case-studies .ecs-lightbox__nav:disabled {
    opacity: 0.35;
    cursor: default;
}

.engineering-case-studies .ecs-lightbox__nav--prev {
    left: 16px;
}

.engineering-case-studies .ecs-lightbox__nav--next {
    right: 16px;
}

@media (min-width: 576px) {
    .engineering-case-studies .ecs-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .engineering-case-studies .ecs-case__specs {
        grid-template-columns: repeat(2, 1fr);
    }

    .engineering-case-studies .ecs-modal__gallery {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 768px) {
    .engineering-case-studies .ecs-modal__title {
        font-size: 26px;
    }
}

@media (min-width: 992px) {
    .engineering-case-studies .ecs-hero__title {
        font-size: 42px;
    }
}

@media (min-width: 1200px) {
    .engineering-case-studies .ecs-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .engineering-case-studies .ecs-modal__gallery {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 575.98px) {
    .engineering-case-studies {
        padding: 56px 0 60px;
    }

    .engineering-case-studies .ecs-hero__title {
        font-size: 28px;
        letter-spacing: 0.06em;
    }

    .engineering-case-studies .ecs-hero__desc {
        font-size: 15px;
    }

    .engineering-case-studies .ecs-filter {
        gap: 8px;
        margin-bottom: 32px;
    }

    .engineering-case-studies .ecs-filter__btn {
        padding: 8px 14px;
    }

    .engineering-case-studies .ecs-modal {
        padding: 10px;
    }

    .engineering-case-studies .ecs-modal__header,
    .engineering-case-studies .ecs-modal__body {
        padding-left: 20px;
        padding-right: 20px;
    }

    .engineering-case-studies .ecs-modal__header {
        padding-right: 52px;
    }
}