@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;700;900&display=swap');

html {
    height: 100%;
    overflow-x: hidden;
    overflow-y: scroll !important;
}

html::-webkit-scrollbar { width: 0; }

html::-webkit-scrollbar-thumb { width: 0; }

body {
    height: 100%;
    padding-right: 0 !important;
    text-align: center;
    background-color: #09151d;
    color: #fff;
    font-size: 14px;
    font-family: 'Noto Sans KR', sans-serif;
    transition: 0.3s;
}

button, a, input, select, textarea, span {
    outline: none !important;
    transition: 0.3s;
}

button { padding: 0; }

h1 { 
    font-size: 48px; 
    white-space: nowrap;
}

h2 { 
    font-size: 30px; 
    white-space: nowrap;
}

h5 {
    color: rgba(255, 255, 255, 0.5); 
    font-size: 24px; 
}

a:hover { text-decoration: none; }

.font-bold { font-weight: 700 !important; }

.font-black { font-weight: 900 !important; }

.sn-text { color: #bff7ff; }

.si-text { color: #ffead1; }

.l-highlight { 
    color: #40ff6d; 
    font-size: 36px; 
}

.highlight { color: #ffa55c; }

.a-highlight { color: #6bcdff; }

.wrapper {
    height: 100%;
    min-height: 100%;
    position: relative;
    z-index: 1;
    background-image: url(../img/bg.jpg);
    background-position: top center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wrapper:before {
    content: '';
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    z-index: -1;
    background-image: url(../img/texture.gif);
    background-repeat: repeat;
    pointer-events: none;
}

@media (min-width: 1921px) {
    .wrapper {
        background-size: cover;
    }
}


/* Logo */

.logo {
    width: 280px;
    display: inline-block;
    position: relative;
    margin-bottom: 40px;
}

.logo img {
    position: absolute;
    bottom: 0;
}

.logo .logo-img {
    width: 100%;
    position: relative;
    opacity: 0;
}

.logo .shadow {
    transform-origin: bottom center;
    transform: rotateX(180deg);
    bottom: -2%;
    -webkit-mask-image: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 1.0));
    mask-image: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 1.0));
    opacity: 0.2;
    pointer-events: none;
}

.logo .t {
    width: 23.93%;
    left: 0;
    animation: logoT 8s ease infinite;
}

@keyframes logoT {
    0% {
        opacity: 0;
        transform: translateY(-100%);
    }
    15% {
        opacity: 1;
        transform: translateY(0);
    }
    95% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(0);
    }
}

.logo .v {
    width: 31.07%;
    left: 22.5%;
    animation: logoV 8s ease infinite;
}

@keyframes logoV {
    0% {
        opacity: 0;
        transform: translateY(-100%);
    }
    4% {
        opacity: 0;
        transform: translateY(-100%);
    }
    19% {
        opacity: 1;
        transform: translateY(0);
    }
    95% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(0);
    }
}

.logo .n {
    width: 48.57%;
    right: 0;
    animation: logoN 8s ease infinite;
}

@keyframes logoN {
    0% {
        opacity: 0;
        transform: translateY(-100%);
    }
    8% {
        opacity: 0;
        transform: translateY(-100%);
    }
    23% {
        opacity: 1;
        transform: translateY(0);
    }
    95% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(0);
    }
}

.logo .t.shadow {
    animation: logoTShadow 8s ease infinite;
}

@keyframes logoTShadow{
    0% {
        opacity: 0;
        transform: rotateX(180deg) translateY(-100%);
    }
    15% {
        opacity: 0.25;
        transform: rotateX(180deg) translateY(0);
    }
    95% {
        opacity: 0.25;
        transform: rotateX(180deg) translateY(0);
    }
    100% {
        opacity: 0;
        transform: rotateX(180deg) translateY(0);
    }
}

.logo .v.shadow {
    animation: logoVShadow 8s ease infinite;
}

@keyframes logoVShadow{
    0% {
        opacity: 0;
        transform: rotateX(180deg) translateY(-100%);
    }
    4% {
        opacity: 0;
        transform: rotateX(180deg) translateY(-100%);
    }
    19% {
        opacity: 0.25;
        transform: rotateX(180deg) translateY(0);
    }
    95% {
        opacity: 0.25;
        transform: rotateX(180deg) translateY(0);
    }
    100% {
        opacity: 0;
        transform: rotateX(180deg) translateY(0);
    }
}

.logo .n.shadow {
    animation: logoNShadow 8s ease infinite;
}

@keyframes logoNShadow{
    0% {
        opacity: 0;
        transform: rotateX(180deg) translateY(-100%);
    }
    8% {
        opacity: 0;
        transform: rotateX(180deg) translateY(-100%);
    }
    23% {
        opacity: 0.25;
        transform: rotateX(180deg) translateY(0);
    }
    95% {
        opacity: 0.25;
        transform: rotateX(180deg) translateY(0);
    }
    100% {
        opacity: 0;
        transform: rotateX(180deg) translateY(0);
    }
}


/* Link Button */

.link-btn {
    width: 100%;
    max-width: 440px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    position: relative;
    margin: 40px auto 50px;
    z-index: 1;
    color: #ffffff;
    font-size: 30px;
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.5);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 2px 5px rgba(0, 0, 0, 0.75), 0 0 30px rgba(0, 144, 255, 0.5);
    background-image: linear-gradient(#0090ff, #00487f);
    overflow: hidden;
}

.link-btn:hover {
    color: #ffffff;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 2px 5px rgba(0, 0, 0, 0.75), 0 0 30px rgba(255, 94, 30, 0.5);
}

.link-btn:before {
    content: '';
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    position: absolute;
    z-index: -1;
    transition: 0.3s;
    opacity: 0;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
    background-image: linear-gradient(#ff9441, #a33100);
}

.link-btn:hover:before {
    opacity: 1;
}

.l-highlight {
    display: inline-block;
    position: relative;
}

.l-highlight:after {
    content: '';
    width: 0;
    height: 2px;
    position: absolute;
    left: 0;
    right: 0;
    bottom: -8px;
    margin: 0 auto;
    background-color: #fff959;
    transition: 0.3s;
}

.l-highlight:hover:after {
    width: 100%;
}

.l-highlight:hover {
    color: #fff959;
}

.a-highlight:hover {
    color: #6bf7ff;
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.75), 0 0 20px rgba(255, 255, 255, 0.5);
}

@media(max-width: 1024px){
    h5 {
        font-size: 20px;
    }
}

@media(max-width: 767px){
    h5 br {
        display: none;
    }
}

@media(max-width: 600px){
    h1 { font-size: 36px; }

    h2 { font-size: 20px; }

    h5 { font-size: 16px; }

    .l-highlight { font-size: 28px; }
}

@media(max-width: 500px){
    .logo {
        width: 200px;
        margin-bottom: 50px;
    }

    .link-btn {
        height: 50px;
        font-size: 24px;
        margin: 20px auto 40px;
    }
}

@media(max-width: 414px){
    h1 { font-size: 30px; }

    h2 { font-size: 18px; }

    h5 { font-size: 14px; }

    .l-highlight { font-size: 24px; }
}

@media(max-width: 375px){
    h1 { font-size: 28px; }

    h2 { font-size: 14px; }

    h5 { font-size: 14px; }

    .l-highlight { font-size: 22px; }
}