/* 排列除錯make life easier */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html{
    min-width:100px;
    scroll-behavior: smooth;
}

body{
    /* max-width: 1024px; */
     /*height: 1000px; */
}

*{
     /*border: solid 0.1px red; */
}

/* Custom Properties, update these for your own design */

:root {
    --ff-primary: 'Poppins', sans-serif;
    --fw-reg: 200;
    --fw-med: 300;
    --fw-bold: 400;
    --fw-heavy: 600;
    
    --clr-light: #e5e5e5;
    --clr-dark: #111111;
    --clr-accent-b: #537099;

    --fs-h1: 40px;
    --fs-h2: 36px;
    --fs-h3: 22px;
    --fs-body: 16px;
    
    --square-size: 20px;
}

/* 中螢幕：1450以下 */
@media (max-width: 1450px) {
    :root {
        --fs-h1: 32px;
        --fs-h2: 28.8px;
        --fs-h3: 17.6px;
        --fs-body: 12.8px;
    }

}

/* 小螢幕：800以下 */
@media (max-width: 800px) {   
    :root {
        --fs-h1: 34px;
        --fs-h2: 32px;
        --fs-h3: 21px;
        --fs-body: 16px;
    }
}



/* General styles */

body { 
    background: var(--clr-dark);
    color: var(--clr-light);
    margin: 0;
    font-family: var(--ff-primary);
    font-size: var(--fs-h3);
}

h1,h2,h3 {
    line-height: 1.35;
    margin: 0;
}

a{
    color: var(--clr-accent-b);
}



/* ________________Back___________________ */
.back a{
	/*width: 100%;*/
	position: fixed;
	left: 10%;
	top: 18%;
	display: flex;
	flex-direction: row;
	align-items: center;
	text-decoration: none;
	z-index: 10;
	/*border: solid 1px red;*/
}

.back h1{
	font-weight: 600;
    color: var(--clr-accent-b);
}


a{
	text-decoration-style: none;
}

i{
	padding-right: 5%;
    color: var(--clr-accent-b);
}

/*---RWD---*/
@media(max-width:1000px){
    .back a{
    left: 5%;
    top: 80%;
	background: var(--clr-accent-b);  
	padding: 0.8% 2.5%;
	}


	.back h1{
		color: var(--clr-light);
        font-weight: 500;
	}


	i{
		color: var(--clr-light);
        font-weight: 500;
	}
}

/* ________________Video___________________ */


.wrapper{
    margin: 0px auto;
    width: 100%;
    padding: 5% 15% 5% 40%;
}

.videowrapper{
    width: 100%;
    position: relative;
    padding-bottom: 60%;  /*56.25% if wants a fitted wrapper*/
    padding-top: 25px;
    height:0;
    /*border-bottom: solid 1px rgba(255,255,255,0.35);*/
    /*padding-bottom: 3%;*/
}

.videowrapper iframe{
    position: absolute;
    left: 0px;
    right: 0px;
    top: 0px;
    bottom: 0px;
    height: 100%;
    width: 100%;
}

.wrapper h2{
    font-family: var(--ff-secondary);
    font-weight: var(--fw-reg);
    text-align: right;
    font-size: var(--fs-h3);
    padding-bottom: 0.5%;
}


@media (max-width: 1000px){
    .wrapper{
        padding: 0% 0%;
    }   

    .wrapper h2{
    padding-right: 5%;
    padding-bottom: 1%;
    opacity: 0.75;
    }
}



/* ---------------------Content 01------------------------- */
.content{
    padding: 5% 10% 0% 30%;
    padding-bottom: 1%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    grid-template-areas: 
        "content_title content_content";
    grid-row-gap: 0.25%;
}

.content_title{
    grid-area: content_title;
}

.content_content{
    grid-area: content_content;
}


.content_title, .content_content{
    padding-top: 20%;
}

.content_title h1{
    font-size: calc(var(--fs-h1)*0.7);
    padding-right: 10%;
   	font-weight: 600;
   	/*color: var(--clr-light);*/
}

.content_content h3{
    font-weight: var(--fw-reg);
    font-family: var(--ff-secondary);
    font-size: calc(var(--fs-h3)*0.8);
    list-style-type: none;
    padding: 0px;
}

/*---FO_img---*/
.img{
    padding: 5% 15% 5% 40%;
}



.img_img{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: auto;
    grid-template-areas: 
    "img_01 img_02 img_03" 
    "img_04 img_05 img_06"
    "img_07 img_08 img_09"
    "img_10 img_11 img_12"
    "img_13 img_14 img_15"
    "img_16 img_17 img_18";
    grid-row-gap: 0.2%;
    grid-column-gap: 0.35%;
    padding-bottom: 2%;
}

#img_01{
    grid-area: img_01;
}

#img_02{
    grid-area: img_02;
}

#img_03{
    grid-area: img_03;
}


.box{
    position: relative;
}

.box img{
    width: 100%;
    height: 100%;
}

.img_FO_caption{
    background: var(--clr-accent-b);
    color: var(--clr-light);
    padding: 0% 6%;
    position: absolute;
    bottom: 0px;
    width: 100%;
    height: 100%;
    opacity: 0;
    font-family: var(--ff-secondary);
    font-weight: var(--fw-reg);
    overflow: auto;
    display: flex;
    flex-direction: column;
    justify-content: center; 
}

.img_FO_caption h3{
    font-weight: var(--fw-reg);
    font-size: calc(var(--fs-h3)*0.8);
}

.box:hover .img_FO_caption{
    opacity: 1;
    transition: all ease-in-out 0.35s;
    background-color: rgba(0,0,0,0.65);
}

/*---RWD---*/
@media(max-width:1000px){
    .content{
    grid-template-columns: 1fr; 
    grid-template-rows: auto;
    grid-template-areas: 
        "content_title"
        "content_content";
    padding: 0% 5%;
    padding-bottom: 5%;
    }

  .content_content{
        padding-top: 0%;
    }

    /*---FO img---*/
    .img{
    	padding: 0% 5% 5% 5%;
    	margin: 0%;
    }


    .img_img{
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    grid-template-areas: 
        "img_01 img_02" 
        "img_03 img_04" 
        "img_05 img_06" 
        "img_07 img_08"
        "img_09 img_10" 
        "img_11 img_12"
        "img_13 img_14" 
        "img_15 img_16"
        "img_17 img_18" ;
    grid-row-gap: 0.35%;
    grid-column-gap: 0.8%;
    padding: 10% 0%;
    }
}


@media(max-width:700px){
    .content_title {
        margin-top: 20%;
    }
}


/* _________________header_________________ */

header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0% 5% 0% 5%;
    margin: 0px;
    position: fixed;
    width: 100%;
    z-index: 100;
    top:0;
    background: transparent; 
    
}

header a{
    text-decoration: none;
}

.scroll_down{
    background: var(--clr-dark);
    transition: all ease-in-out 0.5s;
}

a.logo_link{
    padding: 0px;
    margin: 0px;
}

.logo{
    display: flex;
    align-items: center;
    list-style: none;
    min-width: 100px;
}

.logo h3{
    margin: 0px 0px 0px 18px;
    color: var(--clr-light);
    font-size: 18px;
    letter-spacing: 0.5px;
    font-family: "acumin-pro", sans-serif;
    font-weight: 300;
    font-style: normal;
}

.logo_pic{
    width: 24.5%;
    padding: 2% 0%;
}

nav{
    transform: translate(0px,0px);
}

nav li a{
    color: var(--clr-light);
    font-size: 17.4px;
    letter-spacing: 5px;
    font-weight: var(--fw-reg);
    text-decoration: none; 
    padding: 0px 15px;
}

nav li{
    position: relative;
    padding: 7.5% 0 5% 0;     
}

nav a::after{
    content: '';
    display: block;
    height: 2.5px;
    width: 0%;
    background: var(--clr-accent-b);
    position: absolute;
    bottom: 0px;
    transition: all ease-in-out 0.35s;
}

nav ul{
    display: flex;
    justify-content: center;
    align-items: center;
    list-style: none;
    padding: 0px;
    margin: 0px;
    padding: 0% 0;
}

nav a:hover::after{
    width: 100%;
    position: absolute;
}

.nav-toggle {
    padding: .5em;
    background: transparent;
    border: 0;
    position: absolute;
    right: 7%;
    cursor: pointer;
}

.nav-open nav {
    display: flex;
    justify-content: center;
    background: var(--clr-accent-b);
    position: fixed;
    top: 0;
    bottom:0;
    left: 0;
    right: 0;
    z-index: -10;
    transform: translateY(0%);
}

.nav-open nav ul{
    display: flex;
    flex-direction: column;
}

.nav-open nav ul li{
    padding: 6% 50%;
}


.hamburger {
    display: none;
    position: relative;
    right: 0px;
    z-index: 100;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    background: var(--clr-light);
    width: 30px;
    height: 2px;
    border-radius: 1px;
    transition: transform 250ms ease-in-out;
}


.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
}

.hamburger::before { top: 10px; }
.hamburger::after { bottom: 10px; }



/*---RWD---*/
@media(max-width:1450px){
    
    .dropdown ul li a{
    display: none;
    }

}


@media(max-width:800px){
    nav a::after{
    display: none;
    }
    
    nav{
        display: none;
    }
    

    .hamburger{
        display: block;
    }

    .hamburger::before { top: 7px; }
    .hamburger::after { bottom: 7px; }



    nav li a{
    font-size: calc(var(--fs-h3)*1);
    }
    
}



/* _________________footer_________________ */

.footer_block{
    z-index: 100;
    background: var(--clr-light);
    height: 2%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0px 0% 0px 0%;
    position: relative;
}

a .footer__logo{
    width: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.social-list {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: row;
}

a.social-list__link, a.footer_email{
    color: var(--clr-light);
    font-size: 14px;
    font-weight: var(--fw-med);
    color: var(--clr-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.18% 0%;
    text-decoration: none;
}


a.footer_email:hover{
    color: var(--clr-accent-b);
    transition: all ease-in-out 0.35s;
}

a.social-list__link:hover{
    color: var(--clr-accent-b);
    transition: all ease-in-out 0.35s;
}



/* -----RWD----- */
@media(max-width:700px){
    
    .hamburger{
        display: block;
    }

    .social-list__item{
    padding: 0%;
    }

    a.social-list__link, a.footer_email{
    color: var(--clr-light);
    }


    a.footer_email:hover{
    color: var(--clr-light);
    }

    a.social-list__link:hover{
    color: var(--clr-light);
    }


}