.gsir-section {
    --gsir-distance: 100vh;
    --gsir-distance-mobile: 80vh;
    --gsir-max-width: 1600px;
    --gsir-sticky-top: 0px;
    --gsir-zoom-scale: 1;
    --gsir-content-offset: 60px;
    --gsir-content-offset-mobile: 30px;

    position: relative;
    width: 100%;
    height: calc(100vh + var(--gsir-distance));
    height: calc(100svh + var(--gsir-distance));
    margin: 0;
    padding: 0;
    overflow: visible;
    isolation: isolate;
}

.gsir-section.gsir-full-width,
.gsir-section.gsir-full-screen {
    width: 100vw;
    max-width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
}

.gsir-sticky {
    position: sticky;
    z-index: 1;
    top: var(--gsir-sticky-top);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    width: 100%;
    height: calc(100vh - var(--gsir-sticky-top));
    height: calc(100svh - var(--gsir-sticky-top));
    overflow: hidden;
}

/* O stage mantém a geometria da imagem, mas deixa o conteúdo sobreposto fora
   da caixa que recebe zoom e overflow hidden. Assim o texto não é cortado
   quando a imagem aumenta nem pelas animações internas do Salient. */
.gsir-stage {
    position: relative;
    width: min(100%, var(--gsir-max-width));
    max-width: 100%;
    margin: 0 auto;
    line-height: 0;
    overflow: visible;
}

.gsir-frame {
    position: relative;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    line-height: 0;
    overflow: hidden;
    transform: scale(var(--gsir-zoom-scale));
    transform-origin: center center;
    will-change: transform;
}

/* Modo ecrã completo: a moldura passa a ter exatamente o tamanho da área
   visível abaixo do header. As duas imagens deixam de participar no fluxo e
   ocupam toda a moldura com object-fit: cover. Desta forma são ampliadas
   proporcionalmente a partir do centro e o excesso é recortado tanto na
   horizontal como na vertical, conforme a proporção de cada ecrã. */
.gsir-section.gsir-full-screen .gsir-sticky {
    align-items: flex-start;
}

.gsir-section.gsir-full-screen .gsir-stage {
    flex: 0 0 100%;
    width: 100vw;
    min-width: 100vw;
    max-width: none;
    height: 100%;
    min-height: 100%;
    margin: 0;
}

.gsir-section.gsir-full-screen .gsir-frame {
    width: 100vw;
    min-width: 100vw;
    max-width: none;
    height: 100%;
    min-height: 100%;
    margin: 0;
}

.gsir-section.gsir-full-screen .gsir-image-base,
.gsir-section.gsir-full-screen .gsir-image-reveal {
    position: absolute !important;
    inset: 0;
    display: block;
    width: 100% !important;
    min-width: 100% !important;
    max-width: none !important;
    height: 100% !important;
    min-height: 100% !important;
    margin: 0 !important;
    object-fit: cover !important;
    object-position: center center !important;
}

.gsir-section.gsir-full-screen .gsir-image-base {
    z-index: 1;
}

.gsir-section.gsir-full-screen .gsir-reveal-layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.gsir-image {
    display: block;
    width: 100%;
    margin: 0;
    padding: 0;
    border: 0;
    user-select: none;
    -webkit-user-drag: none;
}

.gsir-image-base {
    position: relative;
    z-index: 1;
    height: auto;
}

.gsir-reveal-layer,
.gsir-content-reveal-mask {
    position: absolute;
    inset: 0;
    overflow: hidden;
    clip-path: inset(100% 0 0 0);
    -webkit-clip-path: inset(100% 0 0 0);
    will-change: clip-path;
    pointer-events: none;
}

.gsir-reveal-layer {
    z-index: 3;
}

.gsir-content-reveal-mask {
    z-index: 5;
}

.gsir-image-reveal {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* As duas cópias de conteúdo ficam fora do frame que aumenta. A preta fica
   sempre inteira e a branca é recortada apenas pela mesma linha da imagem
   revelada. */
.gsir-content-layer {
    --gsir-content-color: #000;

    position: absolute;
    z-index: 4;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
    color: var(--gsir-content-color) !important;
    line-height: normal;
}

.gsir-content-base {
    pointer-events: auto;
}

.gsir-content-inner {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 100%;
    transform: translate3d(0, var(--gsir-content-offset), 0);
    will-change: transform;
}

.gsir-content-reveal {
    --gsir-content-color: #fff;
    z-index: 1;
    user-select: none;
    pointer-events: none;
}

.gsir-content-layer,
.gsir-content-layer *,
.gsir-content-layer *::before,
.gsir-content-layer *::after {
    color: var(--gsir-content-color) !important;
}

.gsir-content-layer svg,
.gsir-content-layer svg * {
    color: var(--gsir-content-color) !important;
}

.gsir-content-layer svg [fill]:not([fill="none"]) {
    fill: currentColor !important;
}

.gsir-content-layer svg [stroke]:not([stroke="none"]) {
    stroke: currentColor !important;
}

/* As animações de entrada do WPBakery e do Salient são mantidas. O conteúdo
   está fora de .gsir-frame, pelo que os transforms e máscaras definidos pelo
   page builder não são cortados pelo zoom das imagens. */

/* Neutraliza margens exteriores comuns do WPBakery/Salient sem impedir que
   o utilizador controle o posicionamento através das opções dos elementos. */
.gsir-content-inner > .vc_row,
.gsir-content-inner > .wpb_row {
    margin-bottom: 0;
}

.gsir-content-inner > :first-child {
    margin-top: 0;
}

.gsir-content-inner > :last-child {
    margin-bottom: 0;
}

.gsir-error {
    padding: 12px 16px;
    border-left: 4px solid #d63638;
    background: #fff;
    color: #1d2327;
}

@media (max-width: 767px) {
    .gsir-section {
        height: calc(100vh + var(--gsir-distance-mobile));
        height: calc(100svh + var(--gsir-distance-mobile));
    }

    .gsir-content-inner {
        transform: translate3d(0, var(--gsir-content-offset-mobile), 0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .gsir-section {
        height: auto !important;
    }

    .gsir-sticky {
        position: relative;
        top: auto;
        height: auto;
        min-height: 0;
    }

    .gsir-frame {
        transform: none !important;
    }

    .gsir-content-inner {
        transform: translate3d(0, var(--gsir-content-offset), 0);
    }

    .gsir-reveal-layer,
    .gsir-content-reveal-mask {
        clip-path: inset(0 0 0 0) !important;
        -webkit-clip-path: inset(0 0 0 0) !important;
    }
}