body{
    margin: 0;
    overflow-x: hidden;
}

#constructPageContainer{
    width: 100%;
    height: 100vh;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
}

#constructContainer{
    text-align: center;
    border: 0.25px solid black;
    border-radius: 15px;
    width: 50%;
    height: 50%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: rgba(0, 0, 0, 0.2) 0px 60px 40px -7px;
}

#eyesContainer{
    width: 75%;
    height: 40%;
    margin: 3px;
    display: flex;
    justify-content: space-evenly;
}

#leftEye,
#rightEye{
    height: 100%;
    width: 100%;
    border-radius: 50%;
    flex: 0 0 250px;
    border: 1px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
}

#leftPupil,
#rightPupil{
    flex: 0 0 250px;
    height: 33%;
    max-width: 33%;
    background-color: black;
    border-radius: 50%;
}

/* Eye animations: pupils sway and eyeballs blink */
#leftEye,
#rightEye {
    position: relative;
    overflow: hidden;
    background-color: white;
}

#leftPupil,
#rightPupil {
    position: relative;
    z-index: 1;
    --gaze-x: 40px;
    --gaze-y: 30px;
    animation: humanGaze 12s ease-in-out infinite;
}

#leftEye::after,
#rightEye::after {
    content: "";
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    background-color: white;
    border-bottom: 2px solid black;
    border-radius: 50%;
    pointer-events: none;
    animation: eyelidBlink 5.5s ease-in-out infinite;
}

@keyframes humanGaze {
    0%,
    6% {
        transform: translate(0, 0);
    }

    13%,
    17% {
        transform: translate(calc(-1 * var(--gaze-x)), calc(-1 * var(--gaze-y)));
    }

    23%,
    27% {
        transform: translate(0, calc(-1 * var(--gaze-y)));
    }

    33%,
    37% {
        transform: translate(var(--gaze-x), calc(-1 * var(--gaze-y)));
    }

    43%,
    47% {
        transform: translate(var(--gaze-x), 0);
    }

    53%,
    57% {
        transform: translate(var(--gaze-x), var(--gaze-y));
    }

    63%,
    67% {
        transform: translate(0, var(--gaze-y));
    }

    73%,
    77% {
        transform: translate(calc(-1 * var(--gaze-x)), var(--gaze-y));
    }

    83%,
    87% {
        transform: translate(calc(-1 * var(--gaze-x)), 0);
    }

    94%,
    100% {
        transform: translate(0, 0);
    }
}

@keyframes eyelidBlink {
    0%,
    42%,
    58%,
    100% {
        transform: translateY(0);
    }

    48%,
    52% {
        transform: translateY(100%);
    }
}

#constructContainer a {
    position: relative;
    display: inline-block;
    color: inherit;
    text-decoration: none;
    margin-top: 5%;
}

#constructContainer a::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: black;
    transition: width 0.3s ease, left 0.3s ease;
}

#constructContainer a:hover::after {
    width: 100%;
    left: 0;
}

/* Mobile layout */
@media screen and (max-width: 700px) {
    #constructPageContainer {
        min-height: 100svh;
        height: auto;
        padding: 1rem;
    }

    #constructContainer {
        width: 100%;
        max-width: 520px;
        height: auto;
        min-height: 0;
        padding: 2rem 1rem;
    }

    #constructContainer h1 {
        width: 100%;
        margin: 0 0 1.5rem;
        text-align: center;
        font-size: clamp(1.25rem, 6vw, 1.8rem);
        line-height: 1.2;
    }

    #eyesContainer {
        width: 100%;
        height: auto;
        gap: clamp(0.5rem, 4vw, 1rem);
        margin: 0 0 1.5rem;
    }

    #leftEye,
    #rightEye {
        width: clamp(72px, 30vw, 150px);
        height: auto;
        flex: 0 1 clamp(72px, 30vw, 150px);
        aspect-ratio: 1;
    }

    #leftPupil,
    #rightPupil {
        width: 33%;
        max-width: none;
        height: auto;
        flex: 0 0 33%;
        aspect-ratio: 1;
        --gaze-x: clamp(18px, 8vw, 28px);
        --gaze-y: clamp(14px, 6vw, 22px);
    }
}