body {
    margin: 0;
    padding: 0;
    background: #111;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

/* MOBILE FIRST — smallest screens */
.viewportWindow {
    position: relative;
    width: 300px;
    /* base mobile width */
    aspect-ratio: 3 / 2;
    display: flex;
    justify-content: center;
    align-items: center;
}

.heroContainer {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 1;
}

.layer {
    position: absolute;
    pointer-events: none;
    image-rendering: pixelated;
    transform: translateX(-50%);
}

/* MOBILE defaults */
.logoLayer {
    top: 5%;
    left: 50%;
    width: 100px;
    z-index: 3;
}

.layer1,
.layer2 {
    width: 30px;
    bottom: 5%;
    z-index: 2;
}

.layer1 {
    right: 30%;
}

.layer2 {
    left: 30%;
}

.centerLayer {
    top: 56%;
    left: 50%;
    width: 30px;
    z-index: 2;
    opacity: 0; 
    transform: scaleY(-1); 
}

/* BUTTON — mobile */
.goButton {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 4;
    pointer-events: auto;

    padding: 4px 8px;
    font-size: 8px;
    font-family: Arial, sans-serif;
    font-weight: bold;

    background: #c62828;
    color: white;
    border: 3px solid #fff;
    border-radius: 6px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.8s ease-out;
}

.goButton.showButton {
    opacity: 1;
}

.goButton:hover {
    background: #ff4444;
    transform: translate(-50%, -50%) scale(1.05);
}

/* --------------------------------------------- */
/* TABLET — medium screens */
/* --------------------------------------------- */
@media (min-width: 600px) {
    .viewportWindow {
        width: 600px;
    }

    .logoLayer {
        width: 200px;
        top: 5%;
    }

    .layer1 {
        right: 30%;
    }

    .layer2 {
        left: 30%;
    }

    .layer1,
    .layer2 {
        width: 60px;
    }
    
    .centerLayer {
        width: 60px;
    }
    .goButton {
        top: 40%;
        font-size: 10px;
        padding: 10px 15px;
    }
}

/* --------------------------------------------- */
/* DESKTOP — full layout */
/* --------------------------------------------- */
@media (min-width: 900px) {
    .viewportWindow {
        width: 900px;
    }

    .logoLayer {
        width: 300px;
        top: 5%;
    }

    .layer1 {
        right: 30%;
    }

    .layer2 {
        left: 30%;
    }

    .layer1,
    .layer2 {
        width: 90px;
    }
    .centerLayer {
        width: 90px;
    }

    .goButton {
        top: 40%;
        font-size: 20px;
        padding: 12px 28px;
    }
}

.centerLayer {
    transform: scaleX(-1);
}



/* LEFT CHARACTER */
.charEnter {
    opacity: 0;
    animation: charSlideFadeLeft 0.8s ease-out forwards;
}

@keyframes charSlideFadeLeft {
    0% {
        opacity: 0;
        transform: scaleX(-1) translateX(-50%) translateX(-20px);
    }
    100% {
        opacity: 1;
        transform: scaleX(-1) translateX(-50%) translateX(0);
    }
}

/* RIGHT CHARACTER */
.charEnterRight {
    opacity: 0;
    animation: charSlideFadeRight 0.8s ease-out forwards;
}

@keyframes charSlideFadeRight {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateX(-20px);
    }
    100% {
        opacity: 1;
        transform: translateX(-50%) translateX(0);
    }
}
/*CENTER CHARACTER*/
.centerEnter {
    opacity: 0;
    animation: centerFade 0.8s ease-out forwards;
}

@keyframes centerFade {
    0% {
        opacity: 0;
        transform: translateX(-50%);
    }
    100% {
        opacity: 1;
        transform: translateX(-50%);
    }
}
#logo {
    opacity: 0;
}
.logoFadeIn {
    animation: logoFade 0.8s ease-out forwards;
}

@keyframes logoFade {
    0% { opacity: 0; }
    100% { opacity: 1; }
}