:root {
    --size: clamp(8rem, 1rem + 15vmin, 14rem);
    --gap: calc(var(--size) / 8);
    --duration: 40s;
    --scroll-start: 0;
    --scroll-end: calc(-100% - var(--gap));
}

.clientes {
    display: grid;
    align-content: center;
    overflow: hidden;
    gap: var(--gap);
    width: 100%;
    min-height: 20vh;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-bg);
}

.marquee {
    display: flex;
    width: 100%;
    overflow: hidden;
    user-select: none;
    gap: var(--gap);
    mask-image: linear-gradient(
        var(--mask-direction, to right),
        hsl(0 0% 0% / 0),
        hsl(0 0% 0% / 1) 20%,
        hsl(0 0% 0% / 1) 80%,
        hsl(0 0% 0% / 0)
    );
}

.marquee__group {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--gap);
    width: max-content;
    animation: scroll-x var(--duration) linear infinite;
}

.marquee--vertical {
    --mask-direction: to bottom;
}

.marquee--vertical,
.marquee--vertical .marquee__group {
    flex-direction: column;
}

.marquee--vertical .marquee__group {
    animation-name: scroll-y;
}

.marquee--reverse .marquee__group {
    animation-direction: reverse;
    animation-delay: -3s;
}

@keyframes scroll-x {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(calc(-100% - var(--gap)));
    }
}

@keyframes scroll-y {
    from {
        transform: translateY(var(--scroll-start));
    }
    to {
        transform: translateY(var(--scroll-end));
    }
}

.marquee img {
    width: var(--size);
    aspect-ratio: 300/186;
    object-fit: contain;
    background: var(--color-bg-accent);
    border-radius: 0.75rem;
    padding: 0;
}

/* Parent wrapper */
.wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--gap);
    margin: auto;
    max-width: 100vw;
}

.wrapper--vertical {
    flex-direction: row;
    height: 100vh;
}

/* Toggle direction button */
.toggle {
    --size: 3rem;
    position: relative;
    position: fixed;
    top: 1rem;
    left: 1rem;
    width: var(--size);
    height: var(--size);
    font: inherit;
    text-align: center;
    cursor: pointer;
    outline: none;
    border: none;
    border-radius: 50%;
    color: inherit;
    background-color: var(--color-bg-accent);
    z-index: 1;
}

.toggle:focus-visible {
    box-shadow: 0 0 0 2px var(--color-text);
}

.toggle span {
    position: absolute;
    display: inline-block;
    top: 50%;
    left: calc(100% + 0.4em);
    width: fit-content;
    white-space: nowrap;
    transform: translateY(-50%);
    animation: fade 400ms 4s ease-out forwards;
    user-select: none;
}

.toggle svg {
    --size: 1.5rem;
    position: absolute;
    top: 50%;
    left: 50%;
    width: var(--size);
    height: var(--size);
    fill: currentcolor;
    transform: translate(-50%, -50%);
    transition: transform 300ms cubic-bezier(0.25, 1, 0.5, 1);
}

.toggle--vertical svg {
    transform: translate(-50%, -50%) rotate(-90deg);
}

@keyframes fade {
    to {
        opacity: 0;
        visibility: hidden;
    }
}