body {
    margin: 0;
    box-sizing: border-box;
    font-family: 'Open Sans', sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #4589FF;
    overflow: hidden;
}

.logo {
    width: 100px;
    height: 122px;
    position: absolute;
    transform: translate(-50%, -50%);
    top: 10%;
    left: 10%;
}

.signup_container {
    border-radius: 30px;
    box-shadow: 0px 0px 10px 3px #00000014;
    background-color: #FFFFFF;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding: 48px 115px;
    gap: 32px;
}

.head_container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.signup_container form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.blue_underline {
    width: 250px;
    height: 3px;
    background-color: #4589FF;
}

.input_container {
    display: flex;
    align-items: center;
    padding: 12px 21px;
    width: 380px;
    border-bottom: 1px solid #D1D1D1
}

.input_container input {
    border: none;
    outline: none;
    width: 100%;
    font-size: 20px;
}

.hidden_container {
    color: #ff0000;
    font-size: 12px;
}

.button_container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 34px;
}

.privacy_container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.privacy_container a {
    text-decoration: none;
    color: #4589FF;
}

.privacy_container a:hover {
    text-decoration: underline;
    color: #005DFF;
}

.signup_footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    padding: 40px;
    gap: 16px;
}

.link_white {
    padding: 8px;
    text-decoration: none;
    color: #FFFFFF;
    transition: transform 0.1s;
}

.link_white:hover {
    transform: scale(1.08);
    color: #005DFF;
}

.link_white:active {
    transform: scale(0.95);
    filter: drop-shadow(0 0 10px rgba(255,255,255, 0.9));
}

.popup_container {
    z-index: 1000;
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
}

.popup {
    background: #4589FF;
    border: 1px solid #4589FF;
    border-radius: 20px;
    color: #FFFFFF;
    font-size: 20px;
    font-weight: 400;
    line-height: 24px;
    text-align: center;
    padding: 25px;
    transform: translateY(100%);
}

.popup_container.show {
    opacity: 1;
    visibility: visible;
}

.popup.show {
    animation: slideInOut 2s ease-in-out forwards;
}

@keyframes slideInOut {
    0% {
        transform: translateY(800px);
    }

    50% {
        transform: translateY(0);
    }

    100% {
        transform: translateY(-800px);
    }
}

h1 {
    font-family: Open Sans;
    font-size: 48px;
    font-weight: 700;
    flex-grow: 1;
    text-align: center;
    margin: 0;
}

.red_underline {
    border-color: #ff0000;
}

.d_none {
    display: none;
}

@media(max-width: 750px) {
    .logo {
        top: 8%;
        left: 20%;
        width: 70px;
        height: 92px;
    }

    .signup_container {
        padding: 40px 80px;
        margin: 0 16px;
    }

    .blue_underline {
        width: 200px;
    }
}

@media(max-width: 650px) {
    .signup_container {
        padding: 30px 40px;
        gap: 26px;
    }

    .signup_container form {
        gap: 18px;
    }

    .input_container {
        width: auto;
        padding: 8px 17px;
    }

    .blue_underline {
        width: 150px;
    }

    .button_container {
        gap: 25px;
    }
}

@media(max-width: 400px) {
    .signup_container form {
        gap: 14px;
    }

    .logo {
        top: 6%;
        width: 40px;
        height: 62px;
    }

    .blue_underline {
        width: 88px;
    }

    .signup_container {
        padding: 20px 40px;
    }

    .button_container {
        gap: 24px;
    }

    .signup_footer {
        padding: 20px;
    }
}