@import url("../css/font.css");
:root{
    --dark: #374151;
    --darker: #1F2937;
    --darkest: #111827;
    --gray: #6B7280;
    --light: #EEE;
    --green: #BFFF00;
    --yellow: #EEEE9B;
    --gny: linear-gradient(to right, var(--green), var(--yellow));
}
/*global class styling*/
a{
    text-decoration: none;
}

.flex-row{
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}
h1{
    font-size: 2.5rem;
}
h3{
    font-size: 1.5rem;
}
button.btn{
    border: none;
    border-radius: 1.5rem;
    cursor: pointer;
    padding: 1rem 3rem;
    font-size: 1.2rem;
}
.container{
    margin: 0 5vw;
}
span{
    padding: 1rem;
}

/*global class styling*/

body{
    font-family: OpenSans;
    margin: 0%;
    box-sizing: border-box;
    overflow-x: hidden;
}

/*nav bar*/
.nav{
    background: white;
    padding: 0 2rem;
    height: 0rem;
    min-height: 10vh;
    overflow: hidden;
    transition: height 1s ease-in-out;
}
.nav .toggle-collapse{
    position: absolute;
    top: 0%;
    width: 90%;
    cursor: pointer;
    display: none;
}
.nav .toggle-collapse .toggle-icons{
    display: flex;
    justify-content: flex-end;
    padding: 1.7rem 0;
}
.nav .toggle-collapse .toggle-icons i{
    font-size: 1.4rem;
    color: var(--dark);
}
.collapse{
    height: 20rem;
}
.nav .nav-brand{
    padding: 1rem 1rem;
    font-size: 2rem;
}
.nav .nav-brand a{
    color: var(--darkest);
}
.nav .nav-items{
    list-style-type: none;
    display: flex;
    justify-content: flex-end;
    margin: 0;
}
.nav .nav-items .nav-link{
    padding: 1.6rem 1rem;
    font-size: 1.1rem;
    position: relative;
}
.nav .nav-items .nav-link a{
    color: var(--darkest);
}
.nav .nav-items .nav-link:hover{
    background-color: var(--dark);
}
.nav .nav-items .nav-link:hover a{
    color: white;
}
.nav .social{
    padding: 1.4rem 0rem;
    font-size: 1.25rem;
}
.nav .social i{
    color: var(--darkest);
    padding: 0.2rem;
}
.nav .social i:hover{
    color: blue;
}
.about-us{
    width: 100%;
}
.about-us .about-us-header{
    text-align: center;
    background: var(--gny);
    padding: 2rem 2rem;
}
.about-us .about-us-header h1{
    color: var(--dark);
}
.about-us .who-are-we{
    text-align: center;
    padding: 2rem 3rem;
}
.about-us .who-are-we p{
    width: 50%;
    padding: 0 25%;
}
.zuki{
    text-align: center;
    padding: 2rem 3rem;
}
.zuki p{
    width: 50%;
    padding: 0 25%;
}
.kong{
    text-align: center;
    padding: 2rem 3rem;
}
.kong p{
    width: 50%;
    padding: 0 25%;
}
.aiy-obie{
    text-align: center;
    padding: 2rem 3rem;
}
.aiy-obie p{
    width: 50%;
    padding: 0 25%;
}

/*footer*/
footer{
    width: 100vw;
    position: absolute;
}
footer .footer-container{
    display: flex;
    flex-direction: column;
    background: var(--darkest);
    width: 100%;
}
footer .footer-about-us{
    font-size: 2rem;
    padding: 2rem;
}
footer .footer-about-us a{
    color: var(--gray);
}
footer .footer-social{
    font-size: 1.5rem;
    padding: 0 2rem;
    word-spacing: 1rem;
}
footer .footer-social a{
    color: var(--gray);
}
/*viewport less then 750px*/

@media only screen and (max-width: 700px){
    .nav .nav-menu, .nav .nav-items{
        flex-direction: column;
    }
    .nav .toggle-collapse{
        display: initial;
    }
    .about-us .who-are-we p{
        width: 100%;
        padding: 0%;
    }
    .zuki p{
        width: 100%;
        padding: 0%;
    }
}