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


html{
    height: 100%;
}

body{
    font-family: 'Montserrat', sans-serif;
    height: 100%;
    color: rgb(255, 255, 255);
    line-height: 1.7;
}

::placeholder{
    font-family: 'Poppins', sans-serif;
    color: rgba(255, 255, 255, .4);
}
.alert-success,
.alert-danger{
    padding: 10px 20px;
    font-size: 14px;
    margin-bottom: 20px;
}

.alert-success{
    color: #155724;
    background-color: #d4edda;
}

.alert-danger{
    color: #721c24;
    background-color: #f8d7da;
}

.text-center{
    text-align: center;
}

.h-full{
    height: 100%;
}

.relative{
    position: relative;
}

.flex{
    display: flex;
}

.grid{
    display: grid;
}

.flex-col{
    flex-direction: column;
}

.justify-center{
    justify-content: center;
}

.item-center{
    align-items: center;
}

.grid-cols-2{
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.kn-brief{
    background-image: url("../img/dunes.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
    padding: 50px 20px;
}

.kn-brief:before{
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    border: 0;
    background-color: rgba(0, 0, 0, 0.8);
    height: 100%;
    width: 100%;
}

.kn-brief img{
    margin-bottom: 40px;
}

.kn-brief > div,
.kn-contact > div{
    max-width: 600px;
    width: 100%;
}

.kn-brief h1,
.kn-contact h2{
    font-size: 2.25rem;
    text-transform: uppercase;
    font-weight:500;
}


.kn-brief h1::first-line {
    font-weight: 300;
}

.kn-contact{
    background-image: linear-gradient(-20deg, #ab954a 0%, #c0ad73 100%);
    padding: 50px 20px;
}

.kn-contact p{
    color: rgba(255, 255, 255, .8);
    margin: 0 auto;
    text-transform: capitalize;
}

.kn-contact  form{
    max-width: 500px;
    margin: 40px auto 0;

}

.kn-contact  form > .grid{
    grid-template-columns: repeat(2, 1fr);
    gap:16px;
}

.kn-contact  form > .grid > div:last-of-type{
    grid-column: 2 span;
}

.form-group .form-control{
    width: 100%;
    padding: 16px;
    background-color: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .1);
    color: #ffffff;
    font-family: inherit;
}

.form-group .form-control:not(textarea){
    height: 50px
}
.form-group textarea.form-control{
    resize: none;
}

.form-group .form-control:focus{
    outline: none;
}

button{
    background-color: #ffffff;
    border: 0;
    color: #ab954a ;
    padding: 16px 40px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 20px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
}


@media (max-width: 1199.98px) {
    .kn-brief h1,
    .kn-contact h2{
        font-size: 1.875rem;
    }
}

@media (max-width: 991.98px) {
    .grid-cols-2{
        grid-template-columns: 1fr;
    }
}


@media (max-width: 575.98px) {
    .kn-brief h1, .kn-contact h2 {
        font-size: 1.75rem;
    }

    .kn-contact form > .grid{
        grid-template-columns: 1fr;
    }

    .kn-contact form > .grid > div:last-of-type{
        grid-column: 1 span;
    }
}

@media (max-width: 399.98px) {
    .kn-brief h1, .kn-contact h2 {
        font-size: 1.375rem;
    }
}