/* body{
    height: 1000vh;
} */
.pd-home {
    padding: 10px 0;
    font-size: 35px;
}

:root {
    --smaller: .75;
}

#header {
    height: 100vh;
    min-height: 800px;
    position: relative;
    background: url('../img/home/h_1.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    transition: background-image 1s ease-in-out, opacity 1s ease-in-out;
    z-index: 1;
}

#header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* background-color: rgba(196, 194, 194, 0.515);  */
    background: linear-gradient(228deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0) 45%, rgba(255, 255, 255, 0.3) 45%, rgba(255, 255, 255, 0.3) 50%, rgba(255, 255, 255, 0.6) 50%, rgba(255, 255, 255, 0.6) 55%, rgba(255, 255, 255, 0.8) 55%, rgba(255, 255, 255, 0.8) 100%);
    z-index: 1;
}

#header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 60%, rgba(255, 255, 255, 1) 100%);
    z-index: -1;
}

#header.fade-out {
    opacity: 0;
}

#header.fade-in {
    opacity: 1;
}

.img_time_header {
    width: 463px;
    height: 45px;
    background: rgb(110, 173, 251) 91.1%;
    border-radius: 20px;
}


.container {
    color: #333;
    text-align: center;
    z-index: 2;
}


.sponsor-container{
    padding-top: 50px;
}

.sponsor-title{
    
}

#countdown {
    margin-bottom: 2rem;
}

li {
    display: inline-block;
    /* font-size: 1.5em; */
    list-style-type: none;
    text-transform: uppercase;
    padding: 0 10px 0 0;
    text-align: center;
}

li span {
    display: block;
    font-size: 3.5rem;
}

.bg {
    /* background: url("../img/home/red line.png"); */
    background-repeat: no-repeat;
    background-size: contain;
    width: 100%;
    /* min-height: 180vh; */
}

.bg-height {
    height: 80vh; 
    overflow: hidden;
}

.home_text_session {
    padding: 3rem;
}

.card-title {
    font-size: 26px;
    line-height: 1.5em;
    text-align: center;
}

.card-text {
    font-size: 20px;
    line-height: 1.5em;
    text-align: center;
}

.card_box {
    background: linear-gradient(109.6deg, rgb(114, 205, 250) 11.2%, rgba(177, 210, 250, 0.716) 91.1%);
    border-radius: 100px;
}

.card_box p {
    font-size: 14px;
    margin-bottom: 0;
    font-weight: bold;
}

/* .video video{
	border-radius: 10px;
} */
.img_box {
    display: flex;
    justify-content: center;
    align-items: center;
}

.img_box img {
    padding: 20px;
}

.f_bottom,
.f_bottom::after {
    padding: 6px 0px;
    font-size: 12px;
    background: linear-gradient(45deg, transparent 5%, #ff013c 5%);
    border: 0;
    color: #fff;
    letter-spacing: 3px;
    line-height: 1;
    box-shadow: 6px 0px 0px #00e6f6;
    outline: transparent;
    position: relative;
}

.f_bottom::after {
    --slice-0: inset(50% 50% 50% 50%);
    --slice-1: inset(80% -6px 0 0);
    --slice-2: inset(50% -6px 30% 0);
    --slice-3: inset(10% -6px 85% 0);
    --slice-4: inset(40% -6px 43% 0);
    --slice-5: inset(80% -6px 5% 0);
    content: "HOVER ME";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 3%, #00e6f6 3%, #00e6f6 5%, #ff013c 5%);
    text-shadow: -3px -3px 0px #f8f005, 3px 3px 0px #00e6f6;
    clip-path: var(--slice-0);
}

.f_bottom:hover::after {
    animation: 1s glitch;
    animation-timing-function: steps(2, end);
}

@keyframes glitch {
    0% {
        clip-path: var(--slice-1);
        transform: translate(-20px, -10px);
    }

    10% {
        clip-path: var(--slice-3);
        transform: translate(10px, 10px);
    }

    20% {
        clip-path: var(--slice-1);
        transform: translate(-10px, 10px);
    }
}

#contact {
    margin-top: 10px;
    padding: 15px;
    background-color: #f71515;
    color: white;
    /* text-align: left; */
}

iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.content {
    padding: 15px;
    background-color: #f71515;
    color: white;
}

.content-sm-center {
    display: flex;
    align-items: start;
    justify-content: center;
    text-align: center;
    flex-direction: column;
}


/* Waves Animation start*/

.hero_area {
    position: relative;
    /* overflow: hidden; */
    /* height: 100vh; */
    /* background-color: black; */
}

.waves-bot-img {
    position: absolute;
    overflow: hidden;
    width: 100%;
    height: 17vh;
    min-height: 18vh;
    /* max-height: 150px; */
    bottom: 0;
    left: 0;
}

.waves-bot-vd {
    position: absolute;
    overflow: hidden;
    width: 100%;
    height: 17vh;
    min-height: 18vh;
    bottom: 0;
    left: 0;
}

.waves-top-vd {
    position: absolute;
    overflow: hidden;
    width: 100%;
    height: 15vh;
    min-height: 100px;
    max-height: 150px;
    /* bottom: 0; */
    left: 0;
    transform: scale(1, -1);
}

.waves-top-ft {
    position: absolute;
    overflow: hidden;
    width: 100%;
    height: 15vh;
    min-height: 100px;
    max-height: 150px;
    /* bottom: 0; */
    left: 0;
    transform: scale(1, -1);
}

.waves-top-img {
    position: absolute;
    overflow: hidden;
    width: 100%;
    height: 15vh;
    min-height: 100px;
    max-height: 150px;
    /* top: -11px; */
    left: 0;
    transform: scale(1, -1);
}

.parallax>use {
    animation: move-forever 25s cubic-bezier(.55, .5, .45, .5) infinite;
}

.parallax>use:nth-child(1) {
    animation-delay: -2s;
    animation-duration: 20s;
}



@keyframes move-forever {
    0% {
        transform: translate3d(-90px, 0, 0);
    }

    100% {
        transform: translate3d(85px, 0, 0);
    }
}

@media (max-width: 1200px) {

    /* .img_time_header {
        width: 250px; 
        height: 25px; 
        border-radius: 10px; 
    } */
    .bg-height {
        height: auto;
    }

    .waves-top-img {
        height: auto;
        min-height: 0;
        max-height: 7vh;
    }

    .waves-bot-img {

        height: auto;
        min-height: 0;
        max-height: 7vh;
    }

    .waves-top-vd {
        height: auto;
        min-height: 0;
        max-height: 7vh;
    }

    .waves-bot-vd {
        height: auto;
        min-height: 0;
        max-height: 7vh;
        bottom: 1vh;
    }

    .waves-top-ft {
        height: auto;
        min-height: 0;
        max-height: 7vh;
    }
}

@media (max-width: 992px) {
    .pd-home {
        font-size: 30px !important;
    }



    .bg-height {
        height: auto;

    }

    .waves-top-img {
        height: auto;
        min-height: 0;
        max-height: 7vh;
    }

    .waves-bot-img {

        height: auto;
        min-height: 0;
        max-height: 7vh;
    }

    .waves-top-vd {
        height: auto;
        min-height: 0;
        max-height: 7vh;
    }

    .waves-bot-vd {
        height: auto;
        min-height: 0;
        max-height: 7vh;
        bottom: 1vh;
    }

    .waves-top-vd>.parallax>use:nth-child(1) {
        animation-delay: -10s;
        animation-duration: 20s;
    }

    .waves-bot-vd>.parallax>use:nth-child(1) {
        animation-delay: -1s;
        animation-duration: 15s;
    }

    .waves-top-ft {
        height: auto;
        min-height: 0;
        max-height: 7vh;
    }
}

@media (max-width: 768px) {

    .waves-top-img {
        height: auto;
        min-height: 0;
        max-height: 7vh;
    }

    .waves-bot-img {

        height: auto;
        min-height: 0;
        max-height: 7vh;
    }

    .waves-top-img>.parallax>use:nth-child(1) {
        animation-delay: -10s;
        animation-duration: 20s;
    }

    .waves-bot-img>.parallax>use:nth-child(1) {
        animation-delay: -1s;
        animation-duration: 15s;
    }

    .img_time_header {
        width: 350px;
        /* Giảm chiều rộng */
        height: 35px;
        /* Giảm chiều cao */
        border-radius: 15px;
        /* Giảm độ cong góc */
    }

    li {
        font-size: 1.2em;
        /* Giảm kích thước font chữ */
        padding: 0 5px 0 0;
        /* Giảm khoảng cách giữa các mục */
    }

    li span {
        font-size: 3.3rem;
        /* Giảm kích thước font chữ */
    }


    .bg-height {
        height: auto;

    }

    .waves-top-vd {
        height: auto;
        min-height: 0;
        max-height: 7vh;
    }

    .waves-top-vd>.parallax>use:nth-child(1) {
        animation-delay: -10s;
        animation-duration: 20s;
    }

    .waves-bot-vd>.parallax>use:nth-child(1) {
        animation-delay: -1s;
        animation-duration: 15s;
    }

    .waves-bot-vd {
        height: auto;
        min-height: 0;
        max-height: 7vh;
    }

    .waves-top-ft {
        height: auto;
        min-height: 0;
        max-height: 7vh;
    }


}

@media (max-width: 576px) {
    .waves-top-img {
        height: auto;
        min-height: 0;
        max-height: 7vh;
    }

    .waves-bot-img {

        height: auto;
        min-height: 0;
        max-height: 7vh;
    }

    .waves-top-img {
        height: auto;
        min-height: 0;
        max-height: 7vh;
    }

    .waves-top-vd>.parallax>use:nth-child(1) {
        animation-delay: -10s;
        animation-duration: 20s;
    }

    #navbar {
        width: auto;
        margin-bottom: 0.8rem;
    }

    #countdown ul {
        padding: 0;
        
    }

    #countdown{
        margin-bottom: 1.5rem;
    }

    .pd-home {
        font-size: 18px !important;
    }

    .bg-height {
        height: 30vh;
    }

    .bg-height>img {
        height: 55vh;
    }

    .img_time_header {
        width: 250px;
        /* Giảm chiều rộng */
        height: 25px;
        /* Giảm chiều cao */
        border-radius: 10px;
        /* Giảm độ cong góc */
    }

    li {
        font-size: 0.8em;
        /* Giảm kích thước font chữ */
        padding: 0 3px 0 0;
        /* Giảm khoảng cách giữa các mục */
    }

    li span {
        font-size: 1.3rem;
    }


    .waves-top-vd {
        height: auto;
        min-height: 0;
        max-height: 7vh;

    }

    .waves-bot-vd>.parallax>use:nth-child(1) {
        animation-delay: -1s;
        animation-duration: 15s;
    }

    .waves-top-ft {
        height: auto;
        min-height: 0;
        max-height: 7vh;
    }


}