:root {
    color-scheme: dark;
    font-family: Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    min-height: 100%;
    margin: 0;
}

body {
    display: grid;
    min-height: 100svh;
    place-items: start center;
    overflow: hidden;
    background: #01051d;
}

.experience {
    position: relative;
    width: min(100vw, 430px);
    aspect-ratio: 1568 / 2794;
    overflow: hidden;
    isolation: isolate;
    background: #020b3f;
}

.layer,
.bubble {
    position: absolute;
    display: block;
    max-width: none;
    pointer-events: none;
    user-select: none;
}

.layer--full {
    inset: 0;
    width: 100%;
    height: 100%;
}

.background {
    z-index: 0;
    object-fit: fill;
}

.crossfade {
    position: absolute;
    z-index: 1;
}

.crossfade .state-before,
.crossfade .state-after {
    inset: 0;
    width: 100%;
    height: 100%;
    transition: opacity 650ms ease, filter 850ms ease;
}

.crossfade .state-after {
    opacity: 0;
    filter: brightness(.25);
}

.top-flow {
    inset: 0 auto auto 0;
    width: 100%;
    height: 25.1267%;
    z-index: 7;
    mix-blend-mode: screen;
    -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 78%, transparent 100%);
    mask-image: linear-gradient(to bottom, #000 0%, #000 78%, transparent 100%);
}

.bottom-flow {
    left: 0;
    top: 68.5%;
    width: 100%;
    height: 35.2183%;
    z-index: 2;
    mix-blend-mode: screen;
}

.network {
    left: 0;
    top: 44.9%;
    width: 100%;
    height: 54.5812%;
    z-index: 3;
    mix-blend-mode: screen;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 22%);
    mask-image: linear-gradient(to bottom, transparent 0%, #000 22%);
}

.center-effect {
    left: 0;
    top: 10.3%;
    z-index: 4;
    width: 100%;
    height: 81.3887%;
    opacity: 0;
    filter: brightness(.35);
    transform: scale(.96);
    transition: opacity 900ms ease, filter 1100ms ease, transform 1100ms ease;
    mix-blend-mode: screen;
}

.shield {
    left: 8.58%;
    top: 17.45%;
    width: 82.8444%;
    height: 54.796%;
    z-index: 5;
    animation: shield-float 4.2s ease-in-out infinite;
    will-change: transform;
}

.shield .state-after {
    left: -0.1%;
    top: 0;
    width: 100.2%;
    height: 98.9%;
}

.tree {
    left: 25.75%;
    top: 27.6%;
    width: 48.5%;
    height: 40.8%;
    z-index: 6;
}

.tree .state-after {
    left: 0;
    top: 0;
    width: 100%;
    height: 97.3%;
}

.bubbles {
    position: absolute;
    inset: 0;
    z-index: 8;
    pointer-events: none;
}

.bubble {
    width: 20.2806%;
    height: auto;
    opacity: 0;
    transform: translate3d(0, 720%, 0) scale(.68);
    filter: brightness(.35);
    will-change: transform, opacity;
}

.bubble--klamentin { left: 39.92%; top: 16.29%; --delay: 4.55s; --drift: -3px; }
.bubble--telfor    { left: 16.84%; top: 21.65%; --delay: 3.65s; --drift: 3px; }
.bubble--apitim    { left: 63.01%; top: 21.65%; --delay: 3.80s; --drift: -2px; }
.bubble--cozz      { left: 3.76%;  top: 32.64%; --delay: 3.95s; --drift: 2px; }
.bubble--medskin   { left: 75.77%; top: 32.64%; --delay: 4.10s; --drift: -3px; }
.bubble--lipvar    { left: 13.33%; top: 46.31%; --delay: 4.25s; --drift: 3px; }
.bubble--zaromax   { left: 65.11%; top: 46.31%; --delay: 4.40s; --drift: -2px; }

.effect-drop {
    left: .65%;
    top: 0;
    z-index: 9;
    width: 98.7%;
    height: 72.19%;
    opacity: 0;
    filter: brightness(1.15) saturate(1.08);
    pointer-events: none;
    mix-blend-mode: screen;
    transition: opacity 900ms ease 1.9s, filter 1200ms ease 1.9s;
}

.experience.is-activated .effect-drop {
    opacity: .78;
    filter: brightness(1.42) saturate(1.12);
}

.activate-button {
    position: absolute;
    left: 8.52%;
    top: 76.65%;
    z-index: 20;
    width: 82.97%;
    height: 10.78%;
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    background: transparent;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.activate-button:focus-visible {
    filter: drop-shadow(0 0 10px #fff);
}

.activate-button:active {
    transform: scale(.975);
}

.button-art {
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 999px;
}

.button-art::after {
    content: "";
    position: absolute;
    top: -35%;
    bottom: -35%;
    left: -42%;
    z-index: 2;
    width: 20%;
    opacity: 0;
    pointer-events: none;
    background: linear-gradient(
        105deg,
        transparent 0%,
        rgb(255 255 255 / 18%) 25%,
        rgb(255 255 255 / 92%) 50%,
        rgb(255 255 255 / 18%) 75%,
        transparent 100%
    );
    filter: blur(3px);
    box-shadow: 0 0 14px 5px rgb(255 255 255 / 35%);
    mix-blend-mode: screen;
    transform: skewX(-18deg);
    animation: button-shine 2.8s .5s ease-in-out infinite;
}

.button-text {
    left: 17.4%;
    top: 10.8%;
    width: 64.49%;
    height: 78.41%;
}

.experience.is-activated .button-art .state-before,
.experience.is-activated .button-text .state-before {
    opacity: 0;
}

.experience.is-activated .button-art .state-after,
.experience.is-activated .button-text .state-after {
    opacity: 1;
    filter: brightness(1);
}

.experience.is-activated .button-art::after {
    opacity: 0;
    animation: none;
}

.experience.is-activated .bottom-flow .state-before,
.experience.is-activated .network .state-before {
    opacity: 0;
    transition-delay: 100ms;
}

.experience.is-activated .bottom-flow .state-after,
.experience.is-activated .network .state-after {
    opacity: 1;
    transition-delay: 100ms;
}

.experience.is-activated .bottom-flow .state-after {
    filter: brightness(1.75) saturate(1.18) contrast(1.06)
        drop-shadow(0 0 7px rgb(0 174 255 / 35%));
}

.experience.is-activated .network .state-after {
    filter: brightness(2.15) saturate(1.16) contrast(1.06)
        drop-shadow(0 0 6px rgb(0 200 255 / 30%));
}

.experience.is-activated .center-effect {
    opacity: 1;
    filter: brightness(1);
    transform: scale(1);
    transition-delay: 1.55s;
}

.experience.is-activated .shield .state-before {
    opacity: 0;
    transition-delay: 2.2s;
}

.experience.is-activated .shield .state-after {
    opacity: 1;
    filter: brightness(1.08);
    transition-delay: 2.2s;
}

.experience.is-activated .shield .state-after {
    animation: shield-flicker 3.4s 2.85s ease-in-out infinite;
}

.experience.is-activated .tree .state-before {
    opacity: 0;
    transition-delay: 2.85s;
}

.experience.is-activated .tree .state-after {
    opacity: 1;
    filter: brightness(1.08);
    transition-delay: 2.85s;
    animation: tree-glow 3.6s 3.5s ease-in-out infinite;
}

.experience.is-activated .top-flow .state-before {
    opacity: 0;
    transition-delay: .85s;
}

.experience.is-activated .top-flow .state-after {
    opacity: 1;
    filter: brightness(1.55) saturate(1.18) contrast(1.05)
        drop-shadow(0 0 6px rgb(0 190 255 / 28%));
    transition-delay: .85s;
}

.experience.is-activated .bubble {
    animation:
        bubble-rise 1.25s var(--delay) cubic-bezier(.16, .82, .28, 1.08) forwards,
        bubble-float 3.2s calc(var(--delay) + 1.25s) ease-in-out infinite;
}

.experience.is-complete .activate-button {
    cursor: default;
}

@keyframes bubble-rise {
    0% {
        opacity: 0;
        transform: translate3d(0, 720%, 0) scale(.68);
        filter: brightness(.35);
    }
    62% {
        opacity: 1;
    }
    86% {
        transform: translate3d(0, -5%, 0) scale(1.035);
    }
    100% {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
        filter: brightness(1);
    }
}

@keyframes bubble-float {
    0%, 100% { transform: translate3d(0, 0, 0); }
    50% { transform: translate3d(var(--drift), -5px, 0); }
}

@keyframes shield-float {
    0%, 100% { transform: translate3d(0, 0, 0); }
    50% { transform: translate3d(0, -.7%, 0); }
}

@keyframes button-shine {
    0%, 14% {
        left: -42%;
        opacity: 0;
    }
    22% {
        opacity: .85;
    }
    54% {
        left: 118%;
        opacity: .72;
    }
    62%, 100% {
        left: 118%;
        opacity: 0;
    }
}

@keyframes shield-flicker {
    0%, 18%, 100% {
        filter: brightness(1.08) saturate(1.05)
            drop-shadow(0 0 2px rgb(55 162 255 / 35%));
    }
    24% {
        filter: brightness(1.5) saturate(1.18)
            drop-shadow(0 0 8px rgb(72 190 255 / 72%));
    }
    29% {
        filter: brightness(1.16) saturate(1.08)
            drop-shadow(0 0 4px rgb(55 162 255 / 45%));
    }
    34%, 68% {
        filter: brightness(1.62) saturate(1.2)
            drop-shadow(0 0 10px rgb(90 208 255 / 82%));
    }
    43%, 76% {
        filter: brightness(1.24) saturate(1.1)
            drop-shadow(0 0 5px rgb(55 176 255 / 52%));
    }
}

@keyframes tree-glow {
    0%, 20%, 100% {
        filter: brightness(1.08) saturate(1.04)
            drop-shadow(0 0 2px rgb(70 170 255 / 30%));
    }
    27%, 64% {
        filter: brightness(1.52) saturate(1.14)
            drop-shadow(0 0 8px rgb(100 210 255 / 68%));
    }
    34%, 72% {
        filter: brightness(1.2) saturate(1.08)
            drop-shadow(0 0 4px rgb(70 180 255 / 42%));
    }
    43% {
        filter: brightness(1.65) saturate(1.18)
            drop-shadow(0 0 11px rgb(120 220 255 / 78%));
    }
}

@media (min-width: 431px) {
    body {
        padding-block: 16px;
    }

    .experience {
        max-height: calc(100svh - 32px);
        width: min(430px, calc((100svh - 32px) * 1568 / 2794));
        box-shadow: 0 12px 50px rgb(0 13 72 / 45%);
    }
}

@media (prefers-reduced-motion: reduce) {
    .experience.is-activated .bubble {
        animation-duration: 1ms;
        animation-delay: 0ms;
    }

    .crossfade .state-before,
    .crossfade .state-after,
    .center-effect {
        transition-duration: 1ms;
        transition-delay: 0ms !important;
    }

    .shield,
    .button-art::after,
    .experience.is-activated .shield .state-after,
    .experience.is-activated .tree .state-after {
        animation: none;
    }
}