@font-face {
    font-family: "barlow";
    src: url(font/Barlow-Light.woff);
    font-weight: 100;
}
@font-face {
    font-family: "barlow";
    src: url(font/Barlow-Regular.woff);
    font-weight: 200;
}
@font-face {
    font-family: "barlow";
    src: url(font/Barlow-Medium.woff);
    font-weight: 300;
}
*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: "barlow";
}
html, body{
    width: 100%;
    height: 100%;
    font-weight: lighter;
    scroll-behavior: smooth;
    overflow-x: hidden;
}
a{
    text-decoration: none;
    color: inherit;
    display: flex;
    justify-content: center;
    align-items: center;
}
h1{
    font-size: 5vw;
    margin-bottom: 2vw;
    font-weight: 200;
}
h2{
    font-size: 3vw;
    margin: 3vw 0;
    font-weight: 200;
    border-right: 0.1vw solid rgb(131, 131, 131);
    border-left: 0.1vw solid rgb(131, 131, 131);
    padding: 0 2vw;
}
h3{
    font-size: 1.7vw;
    font-weight: normal;
}
p{
    font-size: 1.5vw;
    margin-bottom: 1vw;
    line-height: 2.3vw;
    text-align: justify;
}
ul{
    font-size: 1.5vw;
    line-height: 2.3vw;
    width: 100%;
    list-style: square;
}
.nav{
    width: 100%;
    height: 4vw;
    padding: 0 15vw;
    position:fixed;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: start;
    font-weight: normal;
    color: white;
    background-color: rgba(0, 0, 0, 0.343);
    opacity: 0.99;
    z-index: 1;
}

.logo img{
    height: 1.6vw;
    margin-right: 2vw;
    /* filter: brightness(100); */
}
.nav ul{
    /* width: 100%; */
    display: flex;
    justify-content: start;
    /* margin: 0 4vw; */
    list-style: none;
    font-size: 1.2vw;
    /* padding: 0 20vw; */
}
.nav li{
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 1vw;
}
.main-banner{
    width: 100%;
    height: 100%;
    color: white;
    /* background-image: url(img/back.jpg); */
    /* background-image: url(img/background-gif01.gif); */
    background-image: url(img/back-2.jpg);
    /* background-image: url(img/background-gif02.gif); */
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: zoomin 7s;
    /* margin-bottom: 5vw; */
}
@keyframes zoomin {
    0%{
        font-size: 2vw;
        filter: brightness(0);
        color: rgba(255, 255, 255, 0);
    }
    100%{
        font-size: 5vw;
        filter: brightness(1);
        color: rgba(255, 255, 255, 1);

    }
}
/* .main-banner h1{
    animation: zoomin 7s;
} */
.sec{
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 16vw;
    margin-bottom: 5vw;
}
.sec.yellow{
    background-color: rgb(255, 196, 0);
    /* color: white; */
    padding-top: 4vw;
    padding-bottom: 10vw;
}
.sec.yellow h2{
    border-color: white;
}
.sec h2{
    margin: 4vw 0 1.5vw 0;
}
.exp-list{
    display: flex;
    color: black;
    list-style: none;
    justify-content: space-between;
    margin-top: 5vw;
    font-weight: 200;
}
.sec ul li::before, .main-banner ul li::before{
    /* content: '>'; */
    font-weight: bold;
    margin-right: 1vw;
    color: orange;
}
.pic-col{
    padding: 0 2vw;
}
.pic-col .collection{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.collection .item {
    width: 30vw;
    height: 30vw;
    color: white;
    background-color: black;
    background-size: cover;
    margin: 0.1vw;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 3vw;
    text-shadow: black 0 0 1vw;
    text-align: center;
    line-height: 2.8vw;
    background-position: center;
    overflow: hidden;
}
#ind .item:hover{
    opacity: 0.8;
}
.collection .item span{
    background-image: radial-gradient(black,rgba(0, 0, 0, 0.174), rgba(0, 0, 0, 0));
}
#ind .item{
    transition: opacity 0.3s;
    cursor: pointer;
}
.collection .wide-item{
    width: 60vw;
}

.ref-area{
    width: 200vw;
    position: relative;
    z-index: -1;
    left: 50vw;
    /* height: 40vw; */
    overflow-x: scroll;
    display: flex;
    align-items: center;
    animation: scroll-right 6s;
    animation-delay: 2s;
    animation-iteration-count: infinite;
    animation-direction: alternate;
}
.ref-area img{
    width: 80vw;
    margin: 0 10vw;
}
#ref{
    margin: 0;
}
@keyframes scroll-right {
    0%{
        left: 50vw;
    }
    40%{
        left: 50vw;
    }
    60%{
        left: -50vw;
    }
    100%{
        left: -50vw;
    }
}
.ref-bar img{
    width: 15vw;
    max-height: 15vw;
    object-fit: contain;
    margin: 0 3vw;
}
.contact p{
    text-align: center;
}
.contact table td{
    font-size: 1.5vw;
    height: 3vw;
}
.contact table .space{
    width: 20vw;
    /* text-align: center;\ */
}
.double{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}
.double .office-loc{
    display: flex;
    align-items: center;
    margin: 0 3vw;
}
.office-loc h3{
    display: flex;
    align-items: center;
}
.office-loc img{
    width: 3vw;
    height: 3vw;
    object-fit: cover;
}
.office-loc p{
    font-size: 1.3vw;
}
#contact .collection{
    width: 70vw;
}
.footer{
    background-color: rgb(55, 55, 55);
    width: 100%;
    height: 10vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2vw;
}
.footer img{
    width: 8vw;
    margin: 2vw;
}
.footer div{
    display: flex;
    flex-direction: row;
    width: 100%;
}

.desc-back{
    position:fixed;
    top: 0;
    /* display: flex; */
    display: none;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.839);
    width: 100%;
    height: 100%;
    transition: opacity 1s;
    z-index: 2;
}
.desc-back iframe{
    width:80vw;
    height: 80vh;
    max-height: 50vw;
    border: none;
    position: relative;
    z-index: 1;
}
.desc-body{
    height: 100%;
    background-color: white;
    display: flex;
    justify-content: stretch;
    align-items: stretch;
}
.desc-text{
    width: 50%;
    height: 100%;
    padding: 4vw;
    overflow: scroll;
}
.close-btn{
    background-color: black;
    width: 2vw;
    height: 2vw;
    font-size: 0.8vw;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 5vw;
    cursor: pointer;
    margin: 0 0 -1vw -1vw;
    z-index: 2;
    position: relative;
}
.close-btn img{
    width: 1vw;
}
.desc-text h1{
    font-size: 4vw;
    margin-bottom: 3vw;
}
.desc-body img{
    width: 50%;
    height: 100%;
    object-fit: cover;
}

@keyframes opening {
    0%{
        opacity: 0;
    }
    100%{
        opacity: 1;
    }
}