/* intro */
.intro-box {
	width: 100%;
	height: 100vh;
	position: relative;
	overflow: hidden;
}
.intro-box .item-box {
	display: flex;
	width: 100%;
	height: 100%;
	position: absolute;
    left: 0;
	transition: all 0.6s;
	background: #333;
}
.intro-box .item-box .item {
	width: calc(100% / 3);
	height: 100%;
	background-size: cover;
	background-repeat: no-repeat;
	background-position: center center;
	position: relative;
	transition: all 0.6s ease;
}
.intro-box .item-box .item .main-link{
    width: 100%;
    height: 100%;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
	transition: all 0.6s;
}
.intro-box .item-box .item:hover .main-link{
    background: rgba(0, 0, 0, 0.3);
}

.intro-box .item-box .item:hover {
	width: 40%;
}
.intro-box .item-box .item * {
	color: #fff;
}

.intro-box .item-box .text {
	transition: all 0.6s;
	position: absolute;
	bottom:40px;
	left:50%;
	transform: translateX(-50%);
}

.intro-box .item-box .text * {
	color: #fff;
}
.intro-box .item-box .item.on .text {
	bottom:280px;
	bottom: 320px;
}
.intro-box .item-box .item:nth-child(2).on .text {
	bottom:150px;
}
.intro-box .item-box .item.off .text {
	opacity: 0.3;
}

.intro-box .item-box .title {
	font-size: 68px;
	font-weight: 500;
	text-align: center;
	transition: all 0.6s;
}
.intro-box .item-box .item.on .title {
	margin-bottom: 5px;
}

.intro-box .item-box .link-area{
	position: absolute; 
	left:0; 
	top:100%; 
	display:flex; 
	flex-direction: column;
	align-items: center;
	justify-content: center; 
	opacity:0; 
	transition:all 0.6s ease; 
	width:100%;
}

.intro-box .item-box .item.on .link-area {
	opacity:1;
	animation: fadeInUp 0.6s;
	animation-fill-mode: forwards;
}
@keyframes fadeInUp {
	0% {
		top:-20%; 
	}
	100% {
		top:120%;
	}
}
.intro-box .item-box .link-area .link {
	border-radius: 100px;
	display: flex;
	align-items: center;
	justify-content: center;
	position: relative;
	opacity: 0;
	transition: all 0.6s;
	font-size: 22px;
	font-weight: 700;
	color: rgba(255, 255, 255, 1);
	transform: translateY(-40px);
	padding: 7.5px 60px;
	font-family: 'pretendard',sans-serif;
	width: max-content;
}
.intro-box .item-box .item.on .link-area .link {
	opacity: 1;
	transform: translateY(0);
}
.intro-box .item-box .link-area .link:hover{
	color: rgba(255, 255, 255, 1);
	padding: 15px 60px;
}
.intro-box .item-box .link-area .link::before {
	content: "";
	display: block;
	width: 100%;
	height: 100%;
	background-color:rgba(0, 0, 0, 0.8);
	backdrop-filter: blur(5px);
	border-radius: 100px;
	position: absolute;
	top: 50%;
	left: 50%;
	z-index: -1;
	opacity: 0;
	transform: translate(-50%, -50%);
	transition: all 0.6s;
}
.intro-box .item-box .link-area .link:hover::before {
	opacity: 1;
}
.intro-box .item-box .item.on img{
    transform-origin: center;
}

@media screen and (max-width:1400px){
	.intro-box .item-box .title{
		font-size: 50px;
	}
	.intro-box .item-box .link-area .link{
		font-size: 18px;
		padding: 12px 50px;
	}
	.intro-box .item-box .link-area .link:hover{
	    padding: 12px 50px;
	}
}
@media screen and (max-width:1024px){
	.intro-box .item-box .title{
		font-size: 40px;
		margin-bottom: 20px;
	}
	.intro-box .item-box .link-area {
		opacity: 1;
	}
	.intro-box .item-box .item.on .link-area{
		animation: none;
	}
	.intro-box .item-box .link-area .link {
		padding: 10px 40px;
	}
	.intro-box .item-box .link-area .link:hover {
		padding: 10px 40px;
	}
	.intro-box .item-box .item:hover {
		width: 60%;
	}
	.intro-box .item-box .text{
	    top: 50%;
		bottom: auto;
		transform: translate(-50%, -50%);
	}
	.intro-box .item-box .item.on .text{
		bottom:auto;
	}
	.intro-box .item-box .item:nth-child(2).on .text {
		bottom:auto;
	}
}

@media screen and (max-width:768px){
	.intro-box{
		height: 100dvh;
	}
	.intro-box .item-box{
		flex-direction: column;
		height: 100%;
		position: initial;
	}
	.intro-box .item-box .item{
		height: calc(100% / 3);
		width:100%;
	}
	.intro-box .item-box .item:hover{
		width:100%;
	}
	.intro-box .item-box .title {
		font-family: "Readex Pro", sans-serif;
		background-color: rgba(0, 0, 0, 0.5);
		border-radius: 100px;
        width: 200px;
        height: 50px;
        font-size: 30px;
		display: flex;
        justify-content: center;
        align-items: center;
		margin-bottom:0;
	}
	.intro-box .item-box .item.on .title{
		margin-bottom:0;
	}
	.intro-box .item-box .link-area {
		position: static;
	}
	.intro-box .item-box .link-area .link{
		opacity: 1;
		transform: translateY(0);
		padding: 10px 20px;
		font-size: 17px;
		color: rgba(255, 255, 255, 1);
	}
	.intro-box .item-box .item .link-area {
        display: none;
    }
	.intro-box .item-box .item:hover .main-link {
		background: rgba(0, 0, 0, 0);
	}
	.intro-box .item-box .item .main-link{
		z-index:10;
	}
	/*
	.intro-box .item-box .link-area .link:hover{
		padding: 10px 20px;
	}

	.intro-box .item-box .link-area .link:hover::before {
		opacity: 0;
	}
	*/
	.intro-box .item-box .item.off .text {
		opacity: 1;
	}
}
@media screen and (max-width:576px){
	.intro-box .item-box .title {
		width: 180px;
        height: 40px;
        font-size: 25px;
	}
	.intro-box .item-box .link-area .link:hover{
		padding: 7px 20px;
	}
	.intro-box .item-box .link-area .link {
		font-size: 16px;
		padding: 7px 20px;
	}
}