*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    font-family: 'open-sans',sans-serif;
    width: 100%;
    height: min(100vh);
    background-color: rgba(29,29,46,1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
a{
    text-decoration: none;
    color: #fff;
}
.heading{
    text-align: center;
    width: 100%;
    padding-top: 2rem;
    color: #fff;
}
.heading-text{
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

/* Calculator Section */

.container{
    width: 100%;
    padding: 0 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}
.calculator{
    /* min-width: auto;
    max-width: 27rem; */
    border: 0.1px solid #78788c;
    color: #212121;
    display: grid;
    grid-template-columns: auto auto auto auto auto;
}
.grid-head{
    grid-area: 1/1/span 2/span 5;
}
.result-and-top{
    padding: 1rem;
    background-color: #fff;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: end;
    overflow: hidden;
}
.eq{
    color: #5f5f6c;
    overflow-wrap: break-word;
    max-width: 100%;
}
.rs{
    font-size: 2.3rem;
    overflow-wrap: break-word;
    max-width: 100%;
}
.btn{
    max-width: 100%;
    min-width: 5rem;
    height: 5rem;
    color: #78788c;
    background-color: rgb(43, 43, 67);
    border: none;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
}
.btn:hover{
    color: rgb(253, 148, 29);
    background-color: rgb(58, 58, 90);
}
.btn-g{
    border: none;
    font-size: 1.16rem;
    font-weight: bold;
    cursor: pointer;
    width: 100%;
    grid-column: 4/ span 2;
    color: #fff;
    background: rgb(253,29,29);
    background: linear-gradient(45deg, rgba(253,29,29,1) 0%, rgba(252,176,69,1) 100%);
}
.btn-g:hover{
    font-size: 1.5rem;
}

/* Footer Section */

footer{
    width: 100%;
    padding: 1.2rem;
    color: #fff;
    text-align: center;
    font-size: 0.9rem;
}
.link:hover{
    color: rgb(158, 55, 255);
}

/* Responsive */

@media(max-width:390px){
    .btn{
        max-width: 100%;
        min-width: 3.2rem;
        height: 3.2rem;
        font-size: 1rem;
    }
}

@media(max-width:320px){
    .btn{
        max-width: 100%;
        min-width: 3.1rem;
        height: 3.1rem;
    }
}

@media(max-width:300px){
    .btn{
        max-width: 100%;
        min-width: 3rem;
        height: 3rem;
        font-size: 0.85rem;
    }
    .heading-text{
        font-size: 1.5rem;
    }
    .sub-text{
        font-size: 0.9rem;
    }
}