@font-face {
    font-family: 'Avenir';
    src: url('avenir.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    /* user text/object non-selection requirements */
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -webkit-user-drag: none;
}

html,
body {
    width: 100vw;
    height: 100vh;
    /* no scroll at all */
    overflow: hidden;
    /* dark blue sober background */
    background-color: #0b132b;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: default;
}

.eyes-container {
    display: flex;
    /* Centered horizontally as per display:flex on body */
    gap: 60px;
    margin-bottom: 50px;
}

.eye {
    width: 180px;
    height: 180px;
    /* clearer color from the same blue scale */
    background: radial-gradient(circle at 35% 35%, #527bbd, #1c325c 80%);
    border-radius: 50%;
    position: relative;
    border: none;
    /* subtle 3D lighting */
    box-shadow: inset -15px -15px 25px rgba(0, 0, 0, 0.4),
        inset 10px 10px 20px rgba(255, 255, 255, 0.1),
        15px 15px 40px rgba(0, 0, 0, 0.5),
        -5px -5px 20px rgba(28, 50, 92, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.15s ease-in-out;
    /* Smooth return from blink */
}

/* Helper class for the sudden blink */
.eye.blink {
    opacity: 0;
    transition: none;
    /* Instant off */
}

.pupil {
    width: 50px;
    height: 50px;
    /* very dark pupil to contrast against the eye body */
    background: radial-gradient(circle at 30% 30%, #1e2a44, #000000 60%);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: none;
    transition: transform 0.05s linear;
}

/* Slight reflection on the pupil */
.pupil::after {
    content: '';
    position: absolute;
    top: 15%;
    left: 20%;
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
    opacity: 0.8;
    box-shadow: 0 0 5px rgba(255, 255, 255, 0.8);
}

.title {
    font-family: 'Avenir', sans-serif;
    font-size: 5rem;
    color: #a4c2f4;
    /* Clearer, brighter blue from the same scale */
    text-transform: uppercase;
    /* separated letters */
    letter-spacing: 0.8em;
    margin-right: -0.8em;
    /* offset the spacing of the last letter to perfect center */
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.8),
        -1px -1px 2px rgba(255, 255, 255, 0.1);
    font-weight: normal;
}

/* Responsive adjustments for portrait/smartphone screens */
@media (max-width: 600px),
(orientation: portrait) {
    .eyes-container {
        gap: 20px;
        margin-bottom: 30px;
    }

    .eye {
        width: 120px;
        height: 120px;
    }

    .pupil {
        width: 34px;
        height: 34px;
    }

    .pupil::after {
        width: 8px;
        height: 8px;
    }

    .title {
        font-size: 3rem;
    }
}