@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100..900&display=swap');

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border:none;
    text-decoration: none;
    list-style: none;
    font-family: "Inter", sans-serif;
}

body {
    max-width: 1440px;
    min-width: 1400px;
    background-color: black;
    color: #fff;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

h1 {
    font-size: 111px;
    font-weight: 400;
}

div {
    flex-wrap: wrap;
}

a {
    cursor: pointer;
    color:white
}
a:link
a:visited,
a:hover,
a:active,
a:focus {
    color: #fff
}

nav {
    display: flex;
    position: sticky;
    top: 0;
    width: 100%;
    height: 60px;
    color: white;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    font-weight: 500;
    z-index: 20;
}

nav ul,
nav ul li {
    display: inline-block;
}

nav ul li {
    position: relative;
    text-align: center;
    width: 98px;
    transition: transform 1s ease-in-out;
    cursor: pointer;
}

nav ul li:hover {
    color: #b7f8db;
}

nav ul li::after {
    position: absolute;
    bottom: -10px;
    right: 50%;
    transform: translate(50%);
    content: '';
    width: 20px;
    height: 2px;
    background-color: transparent;
    border-radius: 50px;
    transition: all 0.5s linear;
}

nav ul li:hover::after {
    background-color: #b7f8db;
}

nav img {
    width: 40px;
    height: 40px;
    cursor: pointer;
}

nav button {
    border: 0;
    background-color: transparent;
    color: white;
}

main {
    min-height: 80vh;
}

header {
    display: flex;
    position: relative;
    width: 100%;
    margin-top: 60px;
    min-height: 810px;
    justify-content: center;
}

#header_container {
    display: flex;
    position: relative;
    width: 100%;
    justify-content: flex-end;
}

#header_container h1 {
    display: block;
    text-align: right;
    font-size: 94.8px;
    font-weight: medium;
}

#header_container .title {
    position: absolute;
    top: 110px;
    left: 10%;
    line-height: 1.2;
}

section {
    display: block;
    padding: 0 40px;
}

/* sponsor */
#sponsor {
    width: 100%;
    min-height: 370px;
    display: flex;
    align-items: center;
}

#sponsor .container {
    width: 1200px;
    display: flex;
    position: relative;
    justify-content: space-between;
    margin: auto;
    padding: 20px
}

#sponsor .container p {
    position: absolute;
    top: -20px;
    color: #aeaeae;
    font-size: 19pt;
    font-weight: 300;
}

/* info*/
#info {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 820px;
}

#info .bg_img {
    position: absolute;
    right: -35%;
}

#info .container {
    width: 1200px;
    display: flex;
    position: relative;
    justify-content: space-between;
    margin: auto;
    padding: 20px
}

#info .container div {
    width: 50%;
    vertical-align: middle;
}

#info .container div h3 {
    margin-bottom: 20px;
}

#info .container .section1 {
    width: 50%;
    padding: 0 130px 0 0;
    line-height: 2;
}

#info .container .section1 p {
    color: #aeaeae
}

#info .container .section2 {
    width: 50%;
    position: relative;
    text-align: center;
}

#info .container .section2 img {
    position: absolute;
    right: 50%;
    transform: translateX(50%);
    width: 592px;
    height: 215px;
}

#info .container .section2 p {
    display: inline-block;
    width: 150px;
    margin: 90px 60px;
}

/* project */
#project {
    min-height: 1290px;
}

#project .grid {
    display: flex;
    gap: 15px;
    margin-top: 40px;
    flex-wrap: nowrap;
}

#project .grid div {
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    position: relative;
    justify-content: center;
    align-items: flex-start;
    gap: 15px
}

.box {
    width: 668px;
    height: 175px;
    padding: 40px 20px;
    background-color: #1a1a1a;
    box-shadow: 10px 5px 5px black;
}

.box p {

    font-size: 35px;
}

.box button {
    font-size: 16px;
    padding: 8px 20px;
    color: white;
    border: none;
    border-radius: 25px;
    background-color: black;
    text-align: center;
}

/* other */
#other-project {
    margin-top: 100px;
    min-height: 761px;
}

#other-project .slide {
    left: 10px;
    display: flex;
    flex-wrap: nowrap;
    margin-left: -20px;
    margin-top: 20px;
    gap: 15px
}

#other-project .slide .img_wrap {
    width: 464px;
}

#other-project .control {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px
}

#other-project .control .left span {
    display: inline-block;
    width: 20px;
    height: 2px;
    margin-right: 10px;
    background-color: grey;
}

#other-project .control .left span.active {
    width: 40px;
    background-color: white;
}

/* help */
#help {
    position: relative;
    min-height: 1325px;
}

#help h1 {
    width: 666px;
    line-height: 1.2;
}

#help img {
    width: 100%
}

.help-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    margin-top: 40px;
}

.help-grid .left {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size: 36px;

}

.help-grid .right {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
}

.help-grid .right h3 {
    width: 387px;
    font-size: 26px;
}

.help-grid .right div {
    display: flex;
    flex-direction: column;
    margin-left: 20px;
    font-size: 25px;
}

#help .bg_img {
    position: absolute;
    top: 20%;
    left: -70%;
}

#m-about {
    position: relative;
    display: flex;
    width: 100%;
    height: 808px;
    justify-content: center;
}

#m-about .about-textwrap {
    display: flex;
    flex-direction: column;
    max-width: 600px;
    margin-left: 100px;
}

#m-about .about-textwrap h2 {
    font-size: 115px;
}

#m-about .about-textwrap p {
    font-size: 26px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
}

#m-about .about-textwrap a {
    color: white;
    font-size: 26px;
    margin-top: 20px;
}

#m-about .img-box1 {
    position: absolute;
    top: 30%;
    right: 10%;
    width: 230px;
    height: 340px;
    background-image: url("./img/about03.jpg");
    background-position: center;
}

#m-about .img-box2 {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translate(-50%, 0);
    width: 288px;
    height: 190px;
    background-image: url("./img/about02.jpg");
    background-position: center;
}

#m-about .img-box3 {
    position: absolute;
    top: 0%;
    left: 10%;
    width: 230px;
    height: 340px;
    background-image: url("./img/about01.jpg");
    background-position: center;
}

/* footer */
footer {
    display: flex;
    position: relative;
    align-items: center;
    justify-content: space-evenly;
    gap: 115px;
    height: 554px;
    overflow: hidden;
}

footer .left {
    width: 500px;
}

footer .left h2 {
    font-size: 47px;
    margin-bottom: 20px;
}

footer .left p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 19px;
    margin-bottom: 100px;
}

footer .left a {
    font-size: 26px;
}

footer .right {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 100px
}

footer .right h3 {
    font-size: 20px;
    margin-bottom: 20px;
}

.col {
    display: flex;
    flex-direction: column;
    gap: 10px
}

footer .right a {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.6);
}

.circle {
    position: absolute;
    border-radius: 50%;
    z-index: -1;
    filter: blur(100px);
}

.w1 {
    bottom: -60%;
    left: 15%;
    width: 590px;
    height: 590px;
    background-color: #3EFFB4;
}

.w2 {
    bottom: 0%;
    left: 35%;
    width: 390px;
    height: 390px;
    background-color: #53A0FD;
}

.w3 {
    bottom: -60%;
    right: 15%;
    width: 590px;
    height: 590px;
    background-color: #3023AE
}

#scroll-top {
    position: fixed;
    bottom: 20%;
    right: 5%;
}

#scroll-top a:visited {
    color: white
}


/*====== projects.html =======*/
#projects {
    display: block;
    text-align: center;
    margin: 40px 0;
    padding: 0 30px;
}

#projects title {
    display: block;
    font-size: 100px;
    margin-bottom: 40px;
}

#projects .grid {
    width: 1400px;
    min-height: 900px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: auto;
    gap:10px;
    margin: 0 auto;
}
#projects .grid .last {
    grid-area: 3/2/3/4;
}
#projects .grid .first {
    grid-area: 1/1/1/1;
}
#projects .grid img {
    width: 450px;
    height: 300px;
}

#projects .grid .project {
    display: flex;
    flex-direction: row;
    width: 450px;
    height: 400px;
    cursor: pointer;
}

#projects .grid img:hover {
    transition: 0.3s;
    filter: brightness(0.5);
}

#projects .grid .project-title {
    height: 100px;
    font-size: 32px;
}


/*=== about.html ====*/
#about {
    display: block;
    margin-top: 100px;
}

#about .container {
    display: block;
    padding: 100px 80px;
    text-align: center;
}

#about .container .title {
    display: inline-block;
    font-size: 60px;
    width: 500px;
    vertical-align: top;
    text-align: left;
}

#about .container .content {
    display: inline-block;
    width: 740px;
    font-size: 20px;
    vertical-align: top;
    text-align: left;
    color: rgba(255, 255, 255, 0.7)
}

#about .slider {
    display: flex;
    width: 100%;
    height: 300px;
    overflow: hidden;
    gap: 10px;
    flex-wrap: nowrap;
    margin: 100px 0;
}

#about .slider img {
    height: 300px;
}

#about .hashtag p {
    display: inline;
    font-size: 40px;
    color: rgba(255, 255, 255, 0.6);
    margin: 40px;
}

#about .sub {
    display: flex;
    gap: 80px;
    justify-content: center;
    padding: 100px 20px;
}

#about .sub div {
    display: block;
    width: 50%;
    float:left;
    text-align: left;
}

#about .subtitle {
    font-size: 100px;
    font-weight: 400;
    margin-bottom: 20px;
}
#about .sub div p,
#about .subcontent {
    font-size: 22px;
    line-height: 1.5;
    font-weight: 200;
}

#about .sub img {
    width: 558px;
    height: 347px;
    clear:left;
}
.reverse {
    flex-direction: row-reverse;
}