* {
    margin: 0;
    padding: 0;
    text-decoration: none;
    list-style: none;
    font-family: Arial, Helvetica, sans-serif;
}

html {
    scroll-behavior: smooth;
    overflow: hidden;
}

.background_mobile {
    display: none;
}

.background video {
    z-index: -1;
    top: 0;
    position: absolute;
    height: 100vh;
}

.background {
    z-index: -1;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.3);
}

.btn-wrapper {
    position: absolute;
    height: 100px;
    top: 580px;
    z-index: 10;
    width: 100vw;
    left: 115px;
}

.btn {
    margin-top: 5px;
    margin-left: 5px;
    cursor: pointer;
    width: 200px;
    height: 65px;
    background-color: rgba(2, 7, 71, 0);
    border-radius: 100px;
    backdrop-filter: blur(8px);
    transition: 0.3s;
    border: 2px white solid;
}

.btn a {
    text-decoration: none;
    color: white;
    font-size: 1.5em;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.btn:hover {
    z-index: 5;
    scale: 1.05;
    transition: 0.3s;
    background-color: rgba(0, 0, 0, 0.199);
    backdrop-filter: blur(0px);
}

.medialogo {
    width: 100%;
    z-index: 6;
}

.medialogo img {
    width: 650px;
    position: absolute;
    top: 350px;
    left: 125px;
}

/* menu */
/* menu */
/* menu */
/* menu */
/* menu */
/* menu */


.navbar {
    top: 0;
    position: sticky;
    padding: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
    font-size: 1.2em;
    background-color: rgba(0, 0, 0, 0.3);
}

.navbar a {
    color: white;
    transition: all .3s;
}

.navbar .logo {
    font-size: 2em;
    font-weight: bold;
}

.navbar .nav-links ul {
    display: flex;
}

.navbar .nav-links ul li {
    margin: 0 25px;
}

.navbar .nav-links ul li .now {
    color: rgba(194, 7, 7, 0.87);
    font-size: 1.2em;
    font-weight: bolder;
}

.navbar .menu-hamburger {
    position: absolute;
    width: 35px;
    right: 50px;
    top: 50px;
}

.navbar .menu-hamburger {
    display: none;
    position: absolute;
    top: 50px;
    right: 30px;
    width: 35px;
}

.nav-links .mobile-menu {
    margin-left: 0;
}

.navbar a:hover {
    color: rgb(54, 215, 255);
    transition: all .3s;
}

/* cross */
/* cross */
/* cross */
/* cross */
/* cross */
/* cross */
/* cross */
/* cross */

.ham {
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: transform 400ms;
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.hamRotate.active {
    transform: rotate(45deg);
}

.hamRotate180.active {
    transform: rotate(180deg);
}

.line {
    fill: none;
    transition: stroke-dasharray 400ms, stroke-dashoffset 400ms;
    stroke: #ffffff;
    stroke-width: 5.5;
    stroke-linecap: round;
}

.ham5 .top {
    stroke-dasharray: 40 82;
}

.ham5 .bottom {
    stroke-dasharray: 40 82;
}

.ham5.active .top {
    stroke-dasharray: 14 82;
    stroke-dashoffset: -72px;
    overflow: hidden;
}

.ham5.active .bottom {
    stroke-dasharray: 14 82;
    stroke-dashoffset: -72px;
    overflow: hidden;
}

@media screen and (max-width: 800px) {

    html {
        width: 100vw;
        height: 100vh;
    }

    .navbar {
        padding: 0;
    }

    .navbar .logo {
        position: absolute;
        top: 40px;
        left: 30px;
    }

    .navbar .menu-hamburger {
        display: block;
        top: 30px;
        height: 50px;
        width: 50px;
    }


    .nav-links {
        position: absolute;
        top: 0;
        left: 0;
        flex-direction: column;
        background-color: rgba(0, 0, 0, 0.178);
        backdrop-filter: blur(7px);
        width: 100%;
        height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-left: -100%;
        transition: all .5s ease;
    }

    li:first-child {
        width: 150px;
        height: 50px;
        
    }

    .nav-links.mobile-menu {
        margin-left: 0;
    }

    .nav-links ul {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .navbar .nav-links ul li {
        margin: 25px 0;
        font-size: 1.3em;
    }

    .medialogo img {
        position: absolute;
        top: 35%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 320px;
    }

    .btn-wrapper {
        position: absolute;
        transform: translate(-50%, -50%);
        top: 55%;
        left: 50%;
        z-index: 10;
        width: 100vw;
        display: flex;
        justify-content: center;

    }

    .btn {
        width: 275px;
    }

    .background video {
        display: none;
    }

    .background_mobile {
        display: block;

    }

    .background_mobile video {
        z-index: -1;
        top: 0;
        position: absolute;
        width: 100vw;
    }
}