* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    position: relative;
    overflow: hidden;
    font-family: 'Montserrat', sans-serif;
    color:#1A1A1A;
}

.deco-1 {
    position: absolute;
    width: 400px;
    height: 400px;
    background-color: #266EE3;
    filter: blur(100px);
    border-radius: 100%;
    top: -200px;
    right: -200px;
}

.deco-2 {
    position: absolute;
    width: 500px;
    height: 500px;
    background-color: #266EE3;
    filter: blur(200px);
    border-radius: 100%;
    bottom: -500px;
    left: calc(50% - 250px);
    opacity: 1;
}

.main {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.container {
    width: 100%;
    margin: auto auto;
}

.logo {
    margin-bottom: 100px;
    opacity: 0;
    top: 0px;
    position: relative;

    animation: logo-anim 2s forwards;
    animation-delay: 0s;
}

@keyframes logo-anim {
    0% {
        
        top: 50px;
    }
    30% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

.info-container {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    opacity: 0;
    top: 30px;
    position: relative;

    animation: info-anim 2s forwards;
    animation-delay: .5s;
}

@keyframes info-anim {
    30% {
        top: 30px;
    }
    50% {
        opacity: 0;
    }
    100% {
        opacity: 1;
        top: 0;
    }
}

.mail-button {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #266EE3;
    border-radius: 2px;
    position: relative;
}

.mail-button:hover .icon-btn {
    margin-left: -22px;
}

.mail-button:hover .deco-btn {
    opacity: .6;
}

.mail-button .icon-btn {
    margin-left: -35px;
    background-color:white;
    padding: 0px 0 0 20px;
    width: 100px;
    height: 40px;
    display: inline-block;

    transition: margin-left .3s;
}

.mail-button .deco-btn {
    width: 35px;
    height: 35px;
    border-radius: 100%;
    background-color: #266EE3;
    filter: blur(20px);
    position: absolute;
    opacity: 0;
    animation: deco-btn-anim 6s infinite ease-in-out;

    transition: opacity 1s;
}

@keyframes deco-btn-anim {
    0% {
        top: 0px;
        left: 0px;
    }
    33% {
        top: -10px;
        left: 0px;
    }
    66% {
        top: 10px;
        left: -10px;
    }
    77% {
        top: 20px;
        left: 20px;
    }
    100% {
        top: 0px;
        left: 0px;
    }
}


@media (max-width:767px) {
    body {
        width: 100%;
        overflow: hidden;
    }
    .deco-1 {
        width: 200px;
        right: 0;
        top: -300px;
    }
    .main {
        max-width: 100%;
        padding: 50px;
    }
}