/*
 * Layered front-page hero.
 * Every raster source uses the same 2560 x 1040 canvas.
 */

.leven-hero {
    width: 100vw;
    max-width: none;
    margin-right: 0;
    margin-left: calc(50% - 50vw);
}

body.home {
    overflow-x: hidden;
}

body.home .page-container {
    overflow: visible;
}

.leven-hero__stage {
    position: relative;
    width: 100%;
    aspect-ratio: 32 / 13;
    overflow: hidden;
    background: #f4f5f6;
}

.leven-hero__layer,
.leven-hero__mask {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.leven-hero__layer {
    display: block;
    max-width: none;
    user-select: none;
    pointer-events: none;
}

.leven-hero__layer > img {
    display: block;
    width: 100%;
    height: 100%;
    max-width: none;
    object-fit: contain;
}

.leven-hero__background {
    z-index: 0;
}

.leven-hero__first-layer {
    z-index: 1;
}

.leven-hero__optional-layer,
.leven-hero__frame,
.leven-hero__blink {
    opacity: 0;
}

.leven-hero__first-layer.is-hidden {
    opacity: 0;
}

.leven-hero__frame {
    z-index: 2;
}

.leven-hero__blink {
    z-index: 3;
}

.leven-hero__optional-layer.is-active,
.leven-hero__frame.is-active,
.leven-hero__blink.is-active {
    opacity: 1;
}

.leven-hero__stage.is-prewarming .leven-hero__optional-layer:not(.is-active),
.leven-hero__stage.is-prewarming .leven-hero__frame:not(.is-active),
.leven-hero__stage.is-prewarming .leven-hero__blink:not(.is-active) {
    opacity: 0.001;
}

.leven-hero__mask {
    z-index: 4;
    pointer-events: none;
}

.leven-hero__mask svg {
    display: block;
    width: 100%;
    height: 100%;
}

/* CV galaxy button. Its center is positioned from mask.svg by home-hero.js. */
.leven-hero__cv-button {
    --button-color: #007ced;
    --button-color-rgb: 0 124 237;
    --transition: 0.25s;
    --spark: 1.8s;
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 5;
    transform: translate(-50%, -50%);
}

.leven-hero__cv-button .galaxy-button__control {
    --cut: 0.1em;
    --active: 0;
    --bg:
        radial-gradient(
            120% 120% at 126% 126%,
            rgb(255 255 255 / calc(var(--active) * 0.9)) 40%,
            transparent 50%
        ) calc(100px - (var(--active) * 100px)) 0 / 100% 100% no-repeat,
        radial-gradient(
            120% 120% at 120% 120%,
            rgb(var(--button-color-rgb) / calc(0.35 + (var(--active) * 0.65))) 30%,
            transparent 70%
        ) calc(100px - (var(--active) * 100px)) 0 / 100% 100% no-repeat,
        var(--button-color);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: clamp(3rem, 4.5vw, 4rem);
    padding: 0;
    aspect-ratio: 1;
    overflow: hidden;
    border: 0;
    border-radius: 50%;
    background: var(--bg);
    box-shadow:
        0 0 calc(var(--active) * 4em) calc(var(--active) * 1.5em) rgb(var(--button-color-rgb) / 0.45),
        0 0.05em 0 rgb(255 255 255 / calc(0.2 + (var(--active) * 0.55))) inset,
        0 -0.05em 0 rgb(var(--button-color-rgb) / calc(0.35 + (var(--active) * 0.35))) inset;
    color: #fff;
    font-size: clamp(0.95rem, 1.4vw, 1.25rem);
    font-weight: 500;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    scale: calc(1 + (var(--active) * 0.08));
    transform-style: preserve-3d;
    perspective: 100vmin;
    transition:
        box-shadow var(--transition),
        scale var(--transition),
        background var(--transition);
}

.leven-hero__cv-button .galaxy-button__control:is(:hover, :focus-visible) {
    --active: 1;
    outline: none;
}

.leven-hero__cv-button .galaxy-button__control:focus-visible {
    box-shadow:
        0 0 0 0.12em #fff,
        0 0 0 0.25em var(--button-color),
        0 0 4em 1.5em rgb(var(--button-color-rgb) / 0.45);
}

.leven-hero__cv-button .galaxy-button__control:active {
    scale: 1;
}

.leven-hero__cv-button .star {
    position: absolute;
    top: 50%;
    left: 50%;
    height: calc(var(--size) * 1px);
    aspect-ratio: 1;
    border-radius: 50%;
    background: #fff;
    opacity: var(--alpha);
    transform: translate(-50%, -50%) rotate(10deg) rotate(0deg) translateY(calc(var(--distance) * 0.4px));
    animation: leven-hero-orbit calc(var(--duration) * 1s) calc(var(--delay) * -1s) infinite linear;
}

@keyframes leven-hero-orbit {
    to {
        transform: translate(-50%, -50%) rotate(10deg) rotate(360deg) translateY(calc(var(--distance) * 0.4px));
    }
}

.leven-hero__cv-button .galaxy {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    opacity: var(--active);
    translate: -50% -50%;
    transition: opacity var(--transition);
}

.leven-hero__cv-button .galaxy__ring {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200%;
    height: 200%;
    border-radius: 50%;
    transform: translate(-28%, -40%) rotateX(-24deg) rotateY(-30deg) rotateX(90deg);
    transform-style: preserve-3d;
}

.leven-hero__cv-button .galaxy__container {
    position: absolute;
    inset: 0;
    opacity: var(--active);
    -webkit-mask: radial-gradient(#fff, transparent);
    mask: radial-gradient(#fff, transparent);
    transition: opacity var(--transition);
}

.leven-hero__cv-button .star--static {
    top: 50%;
    left: 50%;
    max-height: 4px;
    filter: brightness(4);
    opacity: 0.9;
    transform: translate(0, 0);
    animation:
        leven-hero-move-x calc(var(--duration) * 0.1s) calc(var(--delay) * -0.1s) infinite linear,
        leven-hero-move-y calc(var(--duration) * 0.2s) calc(var(--delay) * -0.2s) infinite linear;
}

.leven-hero__cv-button .galaxy-button__control:hover .star--static {
    animation-play-state: paused;
}

@keyframes leven-hero-move-x {
    from {
        translate: -45px 0;
    }

    to {
        translate: 45px 0;
    }
}

@keyframes leven-hero-move-y {
    from {
        transform: translate(0, -30px);
    }

    to {
        transform: translate(0, 30px);
    }
}

.leven-hero__cv-button .spark {
    position: absolute;
    inset: 0;
    overflow: hidden;
    border-radius: 50%;
    rotate: 0deg;
    -webkit-mask: linear-gradient(#fff, transparent 50%);
    mask: linear-gradient(#fff, transparent 50%);
    animation: leven-hero-flip calc(var(--spark) * 2) infinite steps(2, end);
}

@keyframes leven-hero-flip {
    to {
        rotate: 360deg;
    }
}

.leven-hero__cv-button .spark::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    z-index: -1;
    width: 200%;
    aspect-ratio: 1;
    opacity: calc(var(--active) + 0.4);
    background: conic-gradient(from 0deg, transparent 0 340deg, #fff 360deg);
    translate: -50% -15%;
    rotate: 0deg;
    transform: rotate(-90deg);
    transition: opacity var(--transition);
    animation: leven-hero-spark-rotate var(--spark) linear infinite both;
}

.leven-hero__cv-button .spark::after {
    content: "";
    position: absolute;
    inset: var(--cut);
    border-radius: 50%;
}

.leven-hero__cv-button .backdrop {
    position: absolute;
    inset: var(--cut);
    border-radius: 50%;
    background: var(--bg);
    transition: background var(--transition);
}

@keyframes leven-hero-spark-rotate {
    to {
        transform: rotate(90deg);
    }
}

.leven-hero__cv-button .text {
    position: relative;
    z-index: 1;
    color: #fff;
    letter-spacing: 0.01ch;
    line-height: 1;
    translate: none;
}

@media (prefers-reduced-motion: reduce) {
    .leven-hero__cv-button *,
    .leven-hero__cv-button *::before,
    .leven-hero__cv-button *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}

/* Keep the page covered until the initially visible hero layers are decoded. */
body.home.leven-hero-is-loading .preloader {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}