style.css

/* Tipografia */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400;500&display=swap');

/* cores */
:root{
    --bg-c1: #EBEEFF;
    --bg-c2: #AE9CD1;
    --bg-c3: #8C52FF;
    --bg-c4: #643bb6;
    --bg-c5: #121212;
}

/* //////////////////////////////////////////// */
/* reset */
*{
    margin: 0;
    padding: 0;
    font-family: "Poppins";
    border: 0;
    box-sizing: border-box;
}

/* //////////////////////////////////////////// */
/* titulo */
body{
    background: linear-gradient(5deg, #AE9CD1,#8C52FF, #643bb6);
    background-repeat: no-repeat;
    justify-content: center; 
    min-height: 100vh;
    min-width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* //////////////////////////////////////////// */
/* container */
.container {
    background: linear-gradient(5deg ,#AE9CD1);
    position: relative;
    max-width: 100rem;
    min-height: 46vh;
    padding: 2rem;
    box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.2);
    border-radius: 9px;
}

/* //////////////////////////////////////////// */
/* titulo e subtitulo (p) */
#title{
    color: var(--bg-c1); 
    margin-bottom: 2rem;
    position: relative;
}

p{
    color: var(--bg-c1);
    align-items: center;
    justify-content: center;
    display: flex;
    margin-bottom: 0.285rem;
}

/* //////////////////////////////////////////// */
/* forms */
form{
    display: flex;
    flex-direction: column;
}

.form{
    width: 45%;
    align-items: center;
    justify-content: center;
    max-width: 820px;
    background-color: transparent;
    border-radius: 10px;
    box-shadow: 0 0 20px 1px rgb(0, 0, 0, 0.1);
    z-index: 1000;
    overflow: hidden;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
}

/* //////////////////////////////////////////// */
/* inputs */
.input{
    width: 100%;
    outline: none;
    border: 1px solid var(--bg-c1);
    background: none;
    padding: 0.6rem 1.2rem;
    font-weight: 500;
    font-size: 0.95rem;
}

.input{
    letter-spacing: 0.5px;
    border-radius: 25px;
    transition: .3s;
    align-items: center;
    justify-content: center;
}

.input-field{
    position: relative;
    padding: 0.5rem;
}

.input-field input::placeholder{
    color: rgba(0, 0, 0, 0.2);
}

.input-field:last-child{
    margin-bottom: 1.5rem;
}


/*borda*/
.input-field input{
    outline: none;
    font-size: 0.9rem;
    color: rgba(0, 0, 0, 0.2);
}

/* //////////////////////////////////////////// */
/* buttons  */
.btn{
    padding: 0.6rem 1.3rem;
    border: 2px solid #fafafa;
    font-size: 0.95rem;
    color: #55668d;
    line-height: 1;
    border-radius: 25px;
    outline: none;
    cursor: pointer;
    transition: .3s;
    margin: 0;
}

.btn{
    margin-top: 0.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn:hover{
    background-color: transparent;
    color: #fff;
}


/* //////////////////////////////////////////// */
/* medidas  */
@media (max-width: 480px){
    .container{
        padding: 1.5rem;
    }

    .container::before{
        top: -13px;
        left: initial;
        right: 70px;
    }

    form{
        padding: 1.7rem 1.6rem;
    }

    #subtitle{
        font-size: 1.15rem;
    }

    .input{
        padding: 0.45rem 1.2rem;
    }

    .btn{
        padding: 0.45rem 1.2rem;
    }
}


@media(max-width: 850px){
    .form{
        grid-template-columns: 1fr;
    }
}