:root {
    --elvia-case-dark: #062b2b;
    --elvia-case-dark-2: #0b3733;
    --elvia-case-accent: #ffb22c;
    --elvia-case-text: #6f7773;
    --elvia-case-light: #f8f7f2;
    --elvia-case-border: #e8e6de;
    --elvia-case-white: #ffffff;
}

.elvia-project-case-study-active {
    background: var(--elvia-case-light);
}

.elvia-case-study {
    background: var(--elvia-case-light);
    color: var(--elvia-case-dark);
    padding: 42px 0 96px;
}

.elvia-case-study *,
.elvia-case-study *::before,
.elvia-case-study *::after {
    box-sizing: border-box;
}

.elvia-case-study__container {
    width: min(1320px, calc(100% - 48px));
    margin: 0 auto;
}

.elvia-case-study__hero {
    position: relative;
    min-height: 680px;
    border-radius: 30px;
    overflow: hidden;
    background: #dfe4e0;
    box-shadow: 0 18px 50px rgba(6, 43, 43, 0.08);
}

.elvia-case-study__hero-media,
.elvia-case-study__hero-media img {
    width: 100%;
    height: 100%;
}

.elvia-case-study__hero-media {
    position: absolute;
    inset: 0;
    margin: 0;
}

.elvia-case-study__hero-image {
    display: block;
    object-fit: cover;
}

.elvia-case-study__hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(6, 43, 43, 0.08), rgba(6, 43, 43, 0));
    pointer-events: none;
}

.elvia-case-study__hero-card {
    position: absolute;
    z-index: 2;
    right: 10px;
    bottom: 10px;
    width: min(590px, calc(100% - 112px));
    padding: 44px 44px 52px;
    overflow: hidden;
    isolation: isolate;
    border: 1px solid rgba(255, 255, 255, 0.48);
    border-radius: 30px 30px 30px 108px;
    background:
        linear-gradient(
            135deg,
            rgba(255, 255, 255, 0.78) 0%,
            rgba(255, 255, 255, 0.62) 58%,
            rgba(248, 247, 242, 0.54) 100%
        );
    box-shadow:
        0 24px 64px rgba(6, 43, 43, 0.16),
        inset 0 1px 0 rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(18px) saturate(125%);
    -webkit-backdrop-filter: blur(18px) saturate(125%);
}

.elvia-case-study__hero-card::before {
    content: "";
    position: absolute;
    z-index: 0;
    inset: 0;
    background:
        radial-gradient(
            circle at 92% 6%,
            rgba(255, 255, 255, 0.44),
            transparent 34%
        ),
        linear-gradient(
            118deg,
            rgba(255, 255, 255, 0.16),
            transparent 52%
        );
    pointer-events: none;
}

.elvia-case-study__hero-card::after {
    content: "";
    position: absolute;
    z-index: 1;
    left: 24px;
    bottom: 56px;
    width: 168px;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(6, 43, 43, 0.24) 22%,
        rgba(6, 43, 43, 0.08)
    );
    transform: rotate(-20deg);
    transform-origin: left center;
    pointer-events: none;
}

.elvia-case-study__hero-card > * {
    position: relative;
    z-index: 2;
}

.elvia-case-study__eyebrow,
.elvia-case-study__section-label {
    color: #b97a10;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.8;
}

.elvia-case-study__title {
    margin: 10px 0 14px;
    color: var(--elvia-case-dark);
    font-size: clamp(34px, 4vw, 30px);
    font-weight: 800;
    line-height: 1.25;
}

.elvia-case-study__subtitle {
    margin: 0;
    color: var(--elvia-case-text);
    font-size: 14px;
    line-height: 2;
}

.elvia-case-study__facts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    margin: 0 42px;
    border-bottom: 1px solid var(--elvia-case-border);
}

.elvia-case-study__fact {
    position: relative;
    display: grid;
    gap: 5px;
    padding: 26px 24px;
    text-align: center;
}

.elvia-case-study__fact + .elvia-case-study__fact::before {
    content: "";
    position: absolute;
    top: 28px;
    right: 0;
    bottom: 28px;
    width: 1px;
    background: var(--elvia-case-border);
}

.elvia-case-study__fact-label {
    color: var(--elvia-case-text);
    font-size: 13px;
}

.elvia-case-study__fact-value {
    color: var(--elvia-case-dark);
    font-size: 16px;
}

.elvia-case-study__story {
    --elvia-story-sticky-top: 118px;
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 72px;
    align-items: stretch;
    padding: 110px 42px 90px;
}

body.admin-bar .elvia-case-study__story {
    --elvia-story-sticky-top: 150px;
}

.elvia-case-study__story-media-slot {
    position: relative;
    align-self: stretch;
    min-width: 0;
    min-height: 100%;
}

.elvia-case-study__story-media {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
    z-index: 4;
    align-self: start;
    width: 100%;
    min-height: 420px;
    aspect-ratio: 4 / 3;
    margin: 0;
    overflow: hidden;
    border-radius: 24px;
    background: #ece9e1;
    box-shadow: 0 16px 42px rgba(6, 43, 43, 0.08);
    will-change: top, left;
}

.elvia-case-study__story-media.is-elvia-fixed {
    position: fixed !important;
    right: auto !important;
    bottom: auto !important;
    margin: 0 !important;
}

.elvia-case-study__story-media.is-elvia-at-end {
    position: absolute !important;
    top: auto !important;
    right: 0 !important;
    bottom: 0 !important;
    left: 0 !important;
    width: 100% !important;
    margin: 0 !important;
}

.elvia-case-study__story-image {
    display: block;
    width: 100%;
    height: 100%;
    max-width: none;
    aspect-ratio: auto;
    object-fit: cover;
    object-position: center center;
    border-radius: 0;
}

.elvia-case-study__story-content > h2,
.elvia-case-study__section-heading h2,
.elvia-case-study__sheet h2 {
    margin: 8px 0 24px;
    color: var(--elvia-case-dark);
    font-size: clamp(28px, 3vw, 42px);
    font-weight: 800;
    line-height: 1.35;
}

.elvia-case-study__story-list {
    display: grid;
    gap: 24px;
}

.elvia-case-study__story-item {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 18px;
    align-items: start;
}

.elvia-case-study__story-number {
    color: var(--elvia-case-accent);
    font-size: 21px;
    font-weight: 800;
    line-height: 1.5;
}

.elvia-case-study__story-item h3 {
    margin: 0 0 7px;
    color: var(--elvia-case-dark);
    font-size: 19px;
    font-weight: 800;
}

.elvia-case-study__story-item p,
.elvia-case-study__editor-content,
.elvia-case-study__sheet p {
    margin: 0;
    color: var(--elvia-case-text);
    font-size: 16px;
    line-height: 2;
}

.elvia-case-study__editor-content > *:first-child {
    margin-top: 0;
}

.elvia-case-study__editor-content > *:last-child {
    margin-bottom: 0;
}

.elvia-case-study__editor-intro {
    margin-bottom: 34px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--elvia-case-border);
}

.elvia-case-study__editor-intro p {
    margin: 0 0 14px;
}

.elvia-case-study__editor-intro p:last-child {
    margin-bottom: 0;
}

.elvia-case-study__details {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    margin: 34px 0 0;
    border-top: 1px solid var(--elvia-case-border);
    border-right: 1px solid var(--elvia-case-border);
}

.elvia-case-study__detail {
    display: grid;
    gap: 4px;
    padding: 18px 20px;
    border-bottom: 1px solid var(--elvia-case-border);
    border-left: 1px solid var(--elvia-case-border);
}

.elvia-case-study__detail dt {
    color: var(--elvia-case-text);
    font-size: 13px;
}

.elvia-case-study__detail dd {
    margin: 0;
    color: var(--elvia-case-dark);
    font-size: 15px;
    font-weight: 700;
}

.elvia-case-study__features {
    display: grid;
    grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr);
    gap: 70px;
    padding: 72px 42px;
    border-top: 1px solid var(--elvia-case-border);
}

.elvia-case-study__features ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--elvia-case-border);
}

.elvia-case-study__features li {
    position: relative;
    padding: 20px 28px 20px 12px;
    color: var(--elvia-case-dark);
    border-bottom: 1px solid var(--elvia-case-border);
    font-size: 15px;
    line-height: 1.9;
}

.elvia-case-study__features li::before {
    content: "";
    position: absolute;
    top: 31px;
    right: 8px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--elvia-case-accent);
}

.elvia-case-study__gallery,
.elvia-case-study__video,
.elvia-case-study__elevations {
    padding: 80px 42px;
    border-top: 1px solid var(--elvia-case-border);
}

.elvia-case-study__section-heading {
    margin-bottom: 32px;
}

.elvia-case-study__gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-rows: 180px;
    gap: 14px;
}

.elvia-case-study__gallery-item {
    margin: 0;
    overflow: hidden;
    border-radius: 16px;
    background: #e9ece9;
}

.elvia-case-study__gallery-item.is-featured {
    grid-column: span 2;
    grid-row: span 2;
}

.elvia-case-study__gallery-item video,
.elvia-case-study__lightbox-button,
.elvia-case-study__lightbox-button img {
    width: 100%;
    height: 100%;
}

.elvia-case-study__gallery-item video,
.elvia-case-study__lightbox-button img {
    display: block;
    object-fit: cover;
}

.elvia-case-study__lightbox-button {
    display: block;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: zoom-in;
}

.elvia-case-study__video-frame {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    background: var(--elvia-case-dark);
    box-shadow: 0 18px 48px rgba(6, 43, 43, 0.12);
}

.elvia-case-study__video-frame::before {
    content: "";
    display: block;
    padding-top: 56.25%;
}

.elvia-case-study__video-frame video {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #031d1d;
}

.elvia-case-study__elevations {
    background: #f3f2ed;
    border-radius: 28px;
}

.elvia-case-study__elevations-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px 18px;
    align-items: stretch;
}

.elvia-case-study__elevation {
    display: grid;
    grid-template-rows: auto minmax(52px, auto);
    align-content: start;
    height: 100%;
    margin: 0;
    padding: 14px 14px 8px;
    overflow: hidden;
    border: 1px solid var(--elvia-case-border);
    border-radius: 16px;
    background: var(--elvia-case-white);
    box-shadow: 0 10px 28px rgba(6, 43, 43, 0.035);
}

.elvia-case-study__elevation .elvia-case-study__lightbox-button {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    padding: 0;
    overflow: hidden;
    border: 0;
    border-radius: 10px;
    background: var(--elvia-case-light);
}

.elvia-case-study__elevation .elvia-case-study__lightbox-button img {
    display: block;
    width: 100%;
    height: 100%;
    max-width: none;
    object-fit: cover;
    object-position: center center;
    transform: scale(1.015);
}

.elvia-case-study__elevation figcaption {
    display: -webkit-box;
    min-height: 52px;
    margin: 0;
    padding: 12px 4px 4px;
    overflow: hidden;
    color: var(--elvia-case-dark);
    font-size: 14px;
    line-height: 1.75;
    text-align: center;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
}

.elvia-case-study__sheet {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 32px;
    align-items: center;
    margin: 80px 42px;
    padding: 48px 54px;
    overflow: hidden;
    border-radius: 26px;
    color: #fff;
    background:
        radial-gradient(circle at 12% 100%, rgba(255, 178, 44, 0.16), transparent 34%),
        linear-gradient(135deg, var(--elvia-case-dark-2), var(--elvia-case-dark));
}

.elvia-case-study__sheet h2 {
    color: #fff;
}

.elvia-case-study__sheet p {
    max-width: 760px;
    color: rgba(255, 255, 255, 0.76);
}

.elvia-case-study__sheet-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    margin: 24px 0;
    color: rgba(255, 255, 255, 0.82);
    font-size: 13px;
}

.elvia-case-study__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 24px;
    border-radius: 10px;
    color: var(--elvia-case-dark);
    background: var(--elvia-case-accent);
    font-size: 15px;
    font-weight: 800;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.elvia-case-study__button:hover {
    color: var(--elvia-case-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(255, 178, 44, 0.18);
}

.elvia-case-study__sheet-mark {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 184px;
    height: 232px;
    margin-inline: auto;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 18px 18px 34px 18px;
    color: rgba(255, 255, 255, 0.34);
    background:
        repeating-linear-gradient(
            180deg,
            transparent 0,
            transparent 35px,
            rgba(255, 255, 255, 0.045) 36px,
            rgba(255, 255, 255, 0.045) 37px
        ),
        linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.13),
            rgba(255, 255, 255, 0.035)
        );
    box-shadow:
        0 22px 42px rgba(0, 0, 0, 0.16),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
    font-size: 36px;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.12);
    transform: rotate(-7deg);
}

.elvia-case-study__sheet-mark::before {
    content: "";
    position: absolute;
    top: -1px;
    left: -1px;
    width: 58px;
    height: 58px;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.18) 0 49%,
        rgba(255, 255, 255, 0.04) 50% 100%
    );
    clip-path: polygon(0 0, 100% 0, 0 100%);
}

.elvia-case-study__sheet-mark::after {
    content: "";
    position: absolute;
    inset: 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px 12px 24px 12px;
    pointer-events: none;
}

.elvia-case-study__navigation {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: stretch;
    margin: 0 42px;
    border: 1px solid var(--elvia-case-border);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.62);
    overflow: hidden;
}

.elvia-case-study__nav-item,
.elvia-case-study__all-projects {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100px;
    padding: 22px 28px;
    color: var(--elvia-case-dark);
    text-decoration: none;
}

.elvia-case-study__nav-item span {
    color: var(--elvia-case-text);
    font-size: 12px;
}

.elvia-case-study__nav-item strong {
    margin-top: 5px;
    font-size: 15px;
}

.elvia-case-study__all-projects {
    min-width: 210px;
    align-items: center;
    border-right: 1px solid var(--elvia-case-border);
    border-left: 1px solid var(--elvia-case-border);
    font-weight: 800;
}

.elvia-case-study__nav-item:hover,
.elvia-case-study__all-projects:hover {
    color: var(--elvia-case-dark);
    background: #fff;
}

.elvia-case-study__nav-item.is-next {
    text-align: left;
}

.elvia-case-study__lightbox {
    position: fixed;
    z-index: 999999;
    inset: 0;
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr) 72px;
    align-items: center;
    gap: 18px;
    padding: 42px 30px 30px;
    background: rgba(2, 20, 20, 0.94);
}

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

.elvia-case-study__lightbox-stage {
    grid-column: 2;
    grid-row: 1;
    display: grid;
    grid-template-rows: minmax(0, 1fr) auto;
    align-items: center;
    justify-items: center;
    width: 100%;
    min-width: 0;
    max-height: calc(100vh - 72px);
}

.elvia-case-study__lightbox-stage img {
    display: block;
    max-width: min(1500px, 100%);
    max-height: calc(100vh - 132px);
    object-fit: contain;
}

.elvia-case-study__lightbox-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 34px;
    padding-top: 12px;
    color: rgba(255, 255, 255, 0.76);
    font-size: 13px;
}

.elvia-case-study__lightbox-caption {
    margin: 0;
}

.elvia-case-study__lightbox-counter {
    color: var(--elvia-case-accent);
    white-space: nowrap;
}

.elvia-case-study__lightbox-close,
.elvia-case-study__lightbox-nav {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.24);
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}

.elvia-case-study__lightbox-close:hover,
.elvia-case-study__lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.16);
}

.elvia-case-study__lightbox-close {
    position: fixed;
    z-index: 2;
    top: 22px;
    right: 24px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    font-size: 30px;
}

.elvia-case-study__lightbox-nav {
    grid-row: 1;
    width: 54px;
    height: 72px;
    border-radius: 14px;
    font-size: 42px;
    line-height: 1;
}

.elvia-case-study__lightbox-nav:disabled {
    display: none;
}

.elvia-case-study__lightbox-nav.is-previous {
    grid-column: 3;
}

.elvia-case-study__lightbox-nav.is-next {
    grid-column: 1;
}

@media (max-width: 1024px) {
    .elvia-case-study__hero {
        min-height: 580px;
    }

    .elvia-case-study__story {
        --elvia-story-sticky-top: 102px;
        gap: 42px;
        padding-inline: 20px;
    }

    body.admin-bar .elvia-case-study__story {
        --elvia-story-sticky-top: 134px;
    }

    .elvia-case-study__features,
    .elvia-case-study__gallery,
    .elvia-case-study__video,
    .elvia-case-study__elevations {
        padding-inline: 20px;
    }

    .elvia-case-study__gallery-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

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

@media (max-width: 767px) {
    .elvia-case-study {
        padding-top: 18px;
    }

    .elvia-case-study__container {
        width: min(100% - 24px, 1320px);
    }

    .elvia-case-study__hero {
        min-height: 620px;
        border-radius: 22px;
    }

    .elvia-case-study__hero-card {
        right: 14px;
        bottom: 14px;
        width: calc(100% - 28px);
        padding: 26px 22px 34px;
        border-radius: 20px 20px 20px 62px;
        backdrop-filter: blur(14px) saturate(120%);
        -webkit-backdrop-filter: blur(14px) saturate(120%);
    }

    .elvia-case-study__hero-card::after {
        left: 14px;
        bottom: 38px;
        width: 92px;
        transform: rotate(-18deg);
    }

    .elvia-case-study__facts {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        margin-inline: 0;
    }

    .elvia-case-study__fact + .elvia-case-study__fact::before {
        display: none;
    }

    .elvia-case-study__fact {
        border-bottom: 1px solid var(--elvia-case-border);
    }

    .elvia-case-study__story {
        grid-template-columns: 1fr;
        padding: 72px 0;
    }

    .elvia-case-study__story-media-slot {
        order: 2;
        min-height: 0;
    }

    .elvia-case-study__story-media,
    .elvia-case-study__story-media.is-elvia-fixed,
    .elvia-case-study__story-media.is-elvia-at-end {
        position: relative !important;
        top: auto !important;
        right: auto !important;
        bottom: auto !important;
        left: auto !important;
        width: 100% !important;
        min-height: 0;
        aspect-ratio: 4 / 3;
    }

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

    .elvia-case-study__features {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 54px 0;
    }

    .elvia-case-study__features ul {
        grid-template-columns: 1fr;
    }

    .elvia-case-study__gallery,
    .elvia-case-study__video,
    .elvia-case-study__elevations {
        padding: 54px 0;
    }

    .elvia-case-study__gallery-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-auto-rows: 155px;
    }

    .elvia-case-study__gallery-item.is-featured {
        grid-column: span 2;
    }

    .elvia-case-study__elevations {
        padding-inline: 16px;
        border-radius: 20px;
    }

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

    .elvia-case-study__sheet {
        grid-template-columns: 1fr;
        margin: 54px 0;
        padding: 34px 26px;
    }

    .elvia-case-study__sheet-mark {
        display: none;
    }

    .elvia-case-study__navigation {
        grid-template-columns: 1fr;
        margin: 0;
    }

    .elvia-case-study__all-projects {
        order: -1;
        min-width: 0;
        border-right: 0;
        border-left: 0;
        border-bottom: 1px solid var(--elvia-case-border);
    }

    .elvia-case-study__nav-item.is-next {
        text-align: right;
        border-top: 1px solid var(--elvia-case-border);
    }

    .elvia-case-study__lightbox {
        grid-template-columns: 46px minmax(0, 1fr) 46px;
        gap: 8px;
        padding: 70px 10px 20px;
    }

    .elvia-case-study__lightbox-nav {
        width: 42px;
        height: 58px;
        border-radius: 11px;
        font-size: 34px;
    }

    .elvia-case-study__lightbox-stage img {
        max-height: calc(100vh - 170px);
    }

    .elvia-case-study__lightbox-info {
        flex-direction: column;
        gap: 3px;
        text-align: center;
    }
}