@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root{
    --tomato: 4, 100%, 67%;
    --dark-slate-grey: 234, 29%, 20%;
    --charcoal-grey: 235, 18%, 26%;
    --grey: 231, 7%, 60%;
    --white: 0, 0%, 100%;

    --padding: 1rem;
    --checkmark-width: 1.5rem;
}

body{
    font-family: 'Roboto', sans-serif;
    height: 100svh;
}

main{
    position: relative;
    width: 100%;
    height: 100%;    
    color: hsl(var(--dark-slate-grey));
}

main>div{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: hsl(var(--white));
}

div.front{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding-bottom: var(--padding);    
    z-index: 2;
    transform: translateY(0%);
    transition: all 0.5s ease-in-out;
}

div.front.completed{
    transform: translateY(-80rem);
}

div.front>*{
    padding: 0rem var(--padding);
}

div.front::before{
    content: '';
    display: block;
    background-image: url(../assets/images/illustration-sign-up-mobile.svg);
    background-repeat: no-repeat;
    background-size: cover;
    width: 100%;
    aspect-ratio: 375 / 284;
}

div.middle{
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

div.middle h2{
    font-size: 2.5rem;
    font-weight: 700;
}

div.middle p{
    font-size: 1.2rem;
    font-weight: 400;
}

div.middle ul{
    display: flex;
    flex-direction: column;
    list-style: none;
    font-size: 1.2rem;
    gap: 1rem;
}

div.middle ul li::before{
    content: '';
    display: block;
    background-image: url(../assets/images/icon-list.svg);
    background-repeat: no-repeat;
    background-size: contain;
    width: var(--checkmark-width);
    aspect-ratio: 1/1;
    margin-right: 1rem;
}
div.middle ul li{
    display: grid;
    grid-template-columns: var(--checkmark-width) 1fr;
    gap: 1rem;
}

div.front form{
    position: relative;
    display: grid;
    grid-template-rows: 0.2fr 1fr 1fr;
    gap: 1rem;
    width: 100%;
    height: 10rem;
}

form label{
    margin-bottom: -1rem;
    font-size: 0.8rem;
    font-weight: 700;
}

form input{
    border: 1px solid hsl(var(--grey));
    border-radius: 0.5rem;
    padding: 0rem 1rem;
    font-size: 0.9rem;
}

form input.error{
    color: hsl(var(--tomato));
    border: 1px solid hsl(var(--tomato));
    background-color: hsla(var(--tomato), 0.3);
}

form:has(input.error)::before{
    content: 'Valid email required';
    font-size: 0.8rem;
    font-weight: 700;
    position: absolute;
    top: 0;
    right: var(--padding);
    color: hsl(var(--tomato));
}

button{
    border: none;
    border-radius: 0.5rem;
    background-color: hsl(var(--dark-slate-grey));
    color: hsl(var(--white));
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
}



div.success{
    padding: 0 var(--padding);
}

div.success button{
    position: absolute;
    height: 3.5rem;
    bottom: calc(var(--padding) * 2);
    
    width: calc(100% - var(--padding) * 2);
}

div.success .middle{
    display: flex;
    flex-direction: column;    
    justify-content: center;
    gap: 1.5rem;
    height: calc(75% - 3.5rem - var(--padding) * 2);
}

div.success .middle::before{
    content: '';
    display: block;
    background-image: url(../assets/images/icon-success.svg);
    background-repeat: no-repeat;
    background-size: contain;
    width: 4rem;
    aspect-ratio: 1/1;
    margin: 0.5rem 0rem;
}

#email{
    font-weight: 700;
}

@media (min-width: 650px) {

    :root{
        --border-radius: 1rem;
    }

    body{
        background-color: hsl(var(--dark-slate-grey));
        display: grid;
        place-items: center;
    }

    main{
        overflow: hidden;
        width: min(90%, 45rem);        
        height: initial;
        aspect-ratio: 8/6;
        background-color: hsl(var(--white));
        border-radius: var(--border-radius);
        padding: 1rem;
        will-change: width;
        transition: all 1s ease-in-out;
    }

    main>div{
        border-radius: var(--border-radius);
        width: 100%;
        height: 100%;
        background-color: none;
    }

    div.front{
        position: relative;
        display: grid;
        gap: 2rem;
        height: 100%;
        padding: 0rem;
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: 1fr 0.6fr;
        grid-template-areas: 
            "text picture"
            "form picture";
    }

    div.middle{
        padding-top: min(5rem, 20%);
        font-size: 0.8rem;
        grid-area: text;
        height: 100%;
    }    

    div.front::before{
        background-image: url(../assets/images/illustration-sign-up-desktop.svg);
        grid-area: picture;
        background-position: center;
        background-size: cover;
        height: 100%;
        border-radius: var(--border-radius);
    }

    div.middle ul li::before{
        display: inline-block;
        height: 100%;
        width: initial;
        margin-right: 0rem;
    }

    div.middle ul li{
        display: flex;
        align-items: center;
        height: 1rem;
        gap: 1rem;
        font-size: 0.8rem;
    }

    div.middle p{
        font-size: 1rem;
    }


    div.front form{
        grid-area: form;
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }

    div.front form>*:not(label){
        height: min(2.5rem, 40%);
    }

    div.front form label{
        margin: 0rem;
    }


    main:has(div.front.completed){
        aspect-ratio: 1/1;
        width: min(80%, 25rem);
        height: initial;
    }

    div.success{
        padding: 3rem;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    div.success::before{
        content: '';
        display: block;
        background-image: url(../assets/images/icon-success.svg);
        background-repeat: no-repeat;
        background-size: contain;
        width: 3rem;
        aspect-ratio: 1/1;
        margin: 0.5rem 0rem;
    }

    div.success .middle{        
        padding: 1rem 0rem;
        height: initial;
        flex-grow: 1;
        justify-content: space-evenly;
        align-items: center;
        gap: 0.5rem;
    }

    div.success .middle::before{
        display: none;
    }

    div.success button{
        position: initial;
        width: 100%;
        height: 3rem;
        transition: background 0.5s ease-in-out;
    }

    div.success button:hover {
        background: linear-gradient(80deg, hsla(var(--tomato), 0.8) 0%, hsla(var(--tomato), 1) 100%);
    }
}