/*
 * M8 Contao Scroll Effects Bundle
 * Vanilla CSS fuer Contao 5.*
 * Nutzung ab 1.1.0: Auswahl im Inhaltselement, keine manuelle Klassenpflicht.
 */

:root {
    --m8-scroll-bg: #f7efdf;
    --m8-scroll-dark: #171717;
    --m8-scroll-text: #171717;
    --m8-scroll-line: currentColor;
    --m8-scroll-green: #2f8f4e;
    --m8-scroll-orange: #f07b22;
    --m8-scroll-blue: #86aee0;
    --m8-scroll-pink: #e795ba;
    --m8-scroll-radius: 30px;
    --m8-scroll-gap: clamp(18px, 3vw, 44px);
}

.m8-scroll-horizontal,
.m8-scroll-carousel {
    position: relative;
    width: 100%;
    overflow: visible;
    --m8-scroll-stage-bg: var(--m8-scroll-dark);
    --m8-scroll-stage-color: var(--m8-scroll-bg);
    --m8-scroll-card-bg: #232323;
    --m8-scroll-card-color: var(--m8-scroll-bg);
}

.m8-scroll-horizontal.m8-scroll-light,
.m8-scroll-carousel.m8-scroll-light {
    --m8-scroll-stage-bg: var(--m8-scroll-bg);
    --m8-scroll-stage-color: var(--m8-scroll-text);
    --m8-scroll-card-bg: rgba(255, 255, 255, .32);
    --m8-scroll-card-color: var(--m8-scroll-text);
}

.m8-scroll-horizontal.m8-scroll-transparent,
.m8-scroll-carousel.m8-scroll-transparent {
    --m8-scroll-stage-bg: transparent;
    --m8-scroll-stage-color: var(--m8-scroll-text);
}

.m8-scroll-stage {
    position: sticky;
    top: var(--m8-scroll-sticky-top, 0px);
    height: calc(100svh - var(--m8-scroll-sticky-top, 0px));
    overflow: hidden;
    display: flex;
    align-items: center;
    background: var(--m8-scroll-stage-bg);
    color: var(--m8-scroll-stage-color);
}

.m8-scroll-track {
    display: flex;
    align-items: stretch;
    gap: var(--m8-scroll-gap);
    padding: 22svh clamp(18px, 7vw, 110px) 9svh;
    will-change: transform;
    transform: translate3d(0, 0, 0);
}

.m8-scroll-item {
    flex: 0 0 var(--m8-scroll-card-width, min(72vw, 520px));
    min-height: var(--m8-scroll-card-height, clamp(330px, 52svh, 580px));
    border: 2px solid var(--m8-scroll-line);
    border-radius: var(--m8-scroll-radius);
    background: var(--m8-scroll-card-bg);
    color: var(--m8-scroll-card-color);
    padding: clamp(22px, 3vw, 36px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 24px 55px rgba(0, 0, 0, .18);
    transition: transform .25s ease, opacity .25s ease;
}

.m8-scroll-item > :first-child {
    margin-top: 0;
}

.m8-scroll-item > :last-child {
    margin-bottom: 0;
}

.m8-scroll-item img,
.m8-scroll-item picture,
.m8-scroll-item video,
.m8-scroll-item iframe {
    max-width: 100%;
}

.m8-scroll-item img,
.m8-scroll-item picture,
.m8-scroll-item video {
    height: auto;
}

.m8-scroll-horizontal:not(.m8-scroll-plain):not(.m8-scroll-no-style) .m8-scroll-item:nth-child(2n),
.m8-scroll-carousel:not(.m8-scroll-plain):not(.m8-scroll-no-style) .m8-scroll-item:nth-child(2n) {
    background: var(--m8-scroll-green);
}

.m8-scroll-horizontal:not(.m8-scroll-plain):not(.m8-scroll-no-style) .m8-scroll-item:nth-child(3n),
.m8-scroll-carousel:not(.m8-scroll-plain):not(.m8-scroll-no-style) .m8-scroll-item:nth-child(3n) {
    background: var(--m8-scroll-orange);
}

.m8-scroll-horizontal:not(.m8-scroll-plain):not(.m8-scroll-no-style) .m8-scroll-item:nth-child(4n),
.m8-scroll-carousel:not(.m8-scroll-plain):not(.m8-scroll-no-style) .m8-scroll-item:nth-child(4n) {
    background: var(--m8-scroll-blue);
    color: var(--m8-scroll-dark);
}

.m8-scroll-horizontal:not(.m8-scroll-plain):not(.m8-scroll-no-style) .m8-scroll-item:nth-child(5n),
.m8-scroll-carousel:not(.m8-scroll-plain):not(.m8-scroll-no-style) .m8-scroll-item:nth-child(5n) {
    background: var(--m8-scroll-pink);
    color: var(--m8-scroll-dark);
}

.m8-scroll-label {
    position: absolute;
    top: clamp(24px, 5vw, 70px);
    left: clamp(18px, 6vw, 88px);
    z-index: 30;
    margin: 0;
    max-width: min(760px, calc(100vw - 36px));
    font-size: clamp(34px, 7vw, 112px);
    line-height: .84;
    letter-spacing: -.07em;
    text-transform: uppercase;
    pointer-events: none;
    white-space: pre-line;
}

.m8-scroll-dots {
    position: absolute;
    left: 50%;
    bottom: clamp(18px, 4vw, 46px);
    z-index: 40;
    display: flex;
    gap: 10px;
    color: var(--m8-scroll-stage-color);
    transform: translateX(-50%);
}

.m8-scroll-dot {
    width: 11px;
    height: 11px;
    border: 2px solid currentColor;
    border-radius: 999px;
    background: transparent;
    opacity: .55;
}

.m8-scroll-dot.is-active {
    background: currentColor;
    opacity: 1;
}

.m8-scroll-carousel {
    --m8-scroll-stage-bg: transparent;
    --m8-scroll-stage-color: var(--m8-scroll-text);
    --m8-scroll-card-width: min(76vw, 620px);
    --m8-scroll-card-height: clamp(360px, 58svh, 650px);
}

.m8-scroll-carousel .m8-scroll-track {
    padding-top: 18svh;
    padding-bottom: 14svh;
}

.m8-scroll-carousel .m8-scroll-item {
    opacity: .42;
    transform: scale(.88) rotate(-1deg);
}

.m8-scroll-carousel .m8-scroll-item.is-active {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

.m8-scroll-carousel .m8-scroll-item.is-before {
    transform: scale(.9) rotate(-3deg);
}

.m8-scroll-carousel .m8-scroll-item.is-after {
    transform: scale(.9) rotate(3deg);
}

/* Loop/Fotokarussell: Karten liegen uebereinander im Raum und wandern zyklisch hinten herum. */
.m8-scroll-carousel[data-m8-carousel-mode="loop"] .m8-scroll-stage {
    display: block;
    perspective: 1200px;
    perspective-origin: 50% 52%;
}

.m8-scroll-carousel[data-m8-carousel-mode="loop"] .m8-scroll-track {
    position: relative;
    width: 100%;
    height: 100%;
    padding: 0;
    display: block;
    transform: none !important;
    transform-style: preserve-3d;
}

.m8-scroll-carousel[data-m8-carousel-mode="loop"] .m8-scroll-item {
    position: absolute;
    left: 50%;
    top: 53%;
    width: var(--m8-scroll-card-width, min(76vw, 620px));
    max-width: calc(100vw - 36px);
    min-height: var(--m8-scroll-card-height, clamp(360px, 58svh, 650px));
    opacity: 0;
    transform: translate3d(-50%, -50%, -500px) scale(.72);
    transform-origin: center center;
    will-change: transform, opacity;
}

.m8-scroll-carousel[data-m8-carousel-mode="loop"] .m8-scroll-item.is-active {
    opacity: 1;
}

.m8-scroll-carousel[data-m8-show-dots="0"] .m8-scroll-dots {
    display: none;
}

.m8-scroll-compact {
    --m8-scroll-card-width: min(64vw, 430px);
    --m8-scroll-card-height: clamp(280px, 44svh, 460px);
    --m8-scroll-gap: clamp(14px, 2vw, 28px);
}

.m8-scroll-wide {
    --m8-scroll-card-width: min(84vw, 760px);
}

/* Deaktiviert nur die automatische Kartenoptik. Die technische Scroll-Breite bleibt erhalten. */
.m8-scroll-no-style .m8-scroll-item {
    border: 0;
    border-radius: 0;
    background: transparent !important;
    color: inherit !important;
    padding: 0;
    box-shadow: none;
}

.m8-scroll-no-style .m8-scroll-item > * {
    color: inherit;
}

.m8-reveal {
    opacity: 0;
    transform: translateY(var(--m8-reveal-y, 42px)) scale(var(--m8-reveal-scale, .985));
    transition: opacity .7s ease, transform .7s ease;
}

.m8-reveal.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.m8-parallax,
[data-m8-parallax] {
    will-change: transform;
}

@media (max-width: 760px) {
    .m8-scroll-horizontal,
    .m8-scroll-carousel {
        height: auto !important;
    }

    .m8-scroll-stage,
    .m8-scroll-carousel[data-m8-carousel-mode="loop"] .m8-scroll-stage {
        position: relative;
        top: auto;
        height: auto;
        min-height: 0;
        overflow: visible;
        display: block;
        padding: 110px 0 40px;
        perspective: none;
    }

    .m8-scroll-track,
    .m8-scroll-carousel[data-m8-carousel-mode="loop"] .m8-scroll-track {
        position: static;
        display: grid;
        grid-template-columns: 1fr;
        gap: var(--m8-scroll-gap);
        height: auto;
        padding: 0 18px;
        transform: none !important;
    }

    .m8-scroll-item,
    .m8-scroll-carousel .m8-scroll-item,
    .m8-scroll-carousel[data-m8-carousel-mode="loop"] .m8-scroll-item {
        position: relative;
        left: auto;
        top: auto;
        width: auto;
        max-width: none;
        min-height: 310px;
        opacity: 1 !important;
        transform: none !important;
    }

    .m8-scroll-label {
        position: relative;
        top: auto;
        left: auto;
        padding: 0 18px 28px;
    }

    .m8-scroll-dots {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .m8-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .m8-scroll-horizontal,
    .m8-scroll-carousel {
        height: auto !important;
    }

    .m8-scroll-stage,
    .m8-scroll-carousel[data-m8-carousel-mode="loop"] .m8-scroll-stage {
        position: relative;
        height: auto;
        overflow: visible;
        display: block;
        padding: 110px 0 40px;
        perspective: none;
    }

    .m8-scroll-track,
    .m8-scroll-carousel[data-m8-carousel-mode="loop"] .m8-scroll-track {
        position: static;
        display: grid;
        grid-template-columns: 1fr;
        height: auto;
        transform: none !important;
    }

    .m8-scroll-item,
    .m8-scroll-carousel[data-m8-carousel-mode="loop"] .m8-scroll-item {
        position: relative;
        left: auto;
        top: auto;
        width: auto;
        max-width: none;
        opacity: 1 !important;
        transform: none !important;
    }
}