Merhabalar, masaüstünde sorun çıkmazken mobilde içerik içeriğin üzerine kayıyor. video slider ekledim. mobilde altında bulunan hakkımızda kısmı videonun üzerine kayıyor. kodlar aşağıda.

<section class="container-fluid2" id="anasayfa-slider2">
         <div class="row2" data-id="1">
                        <div class="slogan3">Daha İyi Güvenlik Daha İyi Bir Dünya</div>
                        <div class="video1"><video class="" width="100%" muted="1" loop="" playsinline="" autoplay="1"><source src="video.mp4" type="video/mp4"></video></div></div>   
    
    
</section>
@charset "UTF-8";
@import url(https://fonts.googleapis.com/css2?family=Nunito:wght@700&display=swap);
#arayalim b{
    text-align:center
}
::-webkit-scrollbar-track{
    box-shadow:inset 0 0 5px grey;
    border-radius:10px
}
::-webkit-scrollbar-thumb{
    background:red;
    border-radius:10px
}
::-webkit-scrollbar-thumb:hover{
    background:#b30000
}
@-moz-keyframes spin{
    100%{
        -moz-transform:rotate(360deg)
    }
}
@-webkit-keyframes spin{
    100%{
        -webkit-transform:rotate(360deg)
    }
}
@keyframes spin{
    100%{
        -webkit-transform:rotate(360deg);
        transform:rotate(360deg)
    }
}
@keyframes zoom-in-zoom-out{
    0%,100%{
        transform:scale(1,1)
    }
    50%{
        transform:scale(1.08,1.08)
    }
}
@keyframes gradient{
    0%,100%{
        background-position:0 50%
    }
    50%{
        background-position:100% 50%
    }
}
*,:after,:before{
    -webkit-box-sizing:border-box;
    -moz-box-sizing:border-box;
    box-sizing:border-box
}
body{
    color:#000001;
    font-family:Nunito,sans-serif;
    font-size:16px;
    font-weight:400;
    line-height:1.6;
    letter-spacing:0
}
body{
    padding:0;
    margin:0
}
.container,.container-fluid{
    display:flow-root;
    padding-right:15px;
    padding-left:15px;
    margin-right:auto;
    margin-left:auto
}
.hidden{
    display:none
}
.container-fluid{
    width:100%
}
.container{
    width:90%
}
.row{
    margin-right:-15px;
    margin-left:-15px
}
.row:after,.row:before{
    display:table;
    content:""
}
.row:after{
    clear:both
}
#menu-bg,#menu-bg:before{
    display:none;
    position:fixed;
    left:0;
    top:0;
    width:100%;
    height:100vh;
    border-radius:0 0 10px 10px;
    z-index:9999
}
#menu-bg{
    background:linear-gradient(90deg,#000 0,#034d53 50%,#000 100%);
    box-shadow:inset 0 0 120px #08436c
}
#menu-bg:before{
    content:'';
    box-shadow:0 0 20px #000
}
#ust-1{
    position:fixed;
    left:0;
    top:0;
    width:100%;
    height:40px;
    padding:0 5%;
    display:flex;
    justify-content:space-between;
    align-items:center
}
#ust-1 span{
    color:#fff
}
#anasayfa-slider{
    position:relative;
    height:100vh;
    overflow:hidden
}
#anasayfa-slider .row{
    margin-top:350px;
    display:block;
    text-align:center
}
#anasayfa-slider .row .slogan1{
    font-size:33px;
    color:#fff;
    font-weight:900;
    text-shadow:0 0 10px #4475fc;
    line-height:33px
}
#anasayfa-slider .row .slogan2{
    font-size:25px;
    color:#fff;
    font-weight:900;
    text-shadow:0 0 10px #ff6464;
    line-height:44px
}
#anasayfa-slider .row .slogan3{
    font-size:25px;
    color:#fff;
    font-weight:900;
    text-shadow:0 0 10px #2eff26;
    line-height:44px;
    text-decoration:underline
}
#arayalim b{
    text-shadow:0 0 10px #000
}
#anasayfa-slider .row .video1,#anasayfa-slider .row .video2{
    position:absolute;
    left:0;
    top:0;
    width:100%;
    height:100%
}
#anasayfa-slider .row .video1{
    z-index:-1
}
#anasayfa-slider .row .video2{
    z-index:-1;
    opacity:.5
}
#arayalim{
    position:absolute;
    width:40%;
    left:30%;
    bottom:50px;
    box-shadow:inset 0 0 10px #041c30;
    background:-webkit-gradient(linear,left top,right top,from(#134046),color-stop(#267781),to(#134046));
    background:-webkit-linear-gradient(left,#134046,#267781,#134046);
    background:-o-linear-gradient(left,#134046,#267781,#134046);
    background:linear-gradient(to right,#134046,#267781,#134046);
    border-radius:35px 35px 0 0
}
#arayalim b{
    float:left;
    width:100%;
    margin:10px 0 5px;
    color:#fff
}
#arayalim div{
    display:flex;
    flex-direction:row;
    justify-content:space-around;
    background:#00000029;
    padding:10px
}
#arayalim div input{
    width:40%;
    height:35px;
    padding-left:15px;
    border-radius:6px;
    border:none;
    outline:0;
    box-shadow:0 0 4px #000;
    background:#00000045;
    color:#fff
}
#arayalim input::placeholder{
    color:#ffffffa1;
    opacity:1
}
#arayalim input:-ms-input-placeholder{
    color:#ffffffa1
}
#arayalim input::-ms-input-placeholder{
    color:#ffffffa1
}
#arayalim div span{
    background:#236c75;
    color:#fff;
    padding:0 10px;
    height:32px;
    line-height:32px;
    box-shadow:0 0 6px #383838;
    border-radius:5px;
    cursor:pointer
}
#slider{
    position:relative
}
#slider{
    overflow:hidden;
    margin:0 auto;
    width:calc(75%);
    padding:0;
    height:330px;
    box-shadow:0 0 50px #000;
    border-right:1px solid #000000d1;
    border-left:1px solid #000000d1;
    border-radius:0 0 30px 30px;
    background:linear-gradient(306deg,#797fdd 0,#151645 50%,#797fdd 100%);
    background-size:400% 400%;
    animation:5s infinite gradient
}
#mobil-menu{
    position:fixed;
    z-index:9999999;
    right:50px;
    top:11px;
    width:47px;
    height:46px;
    background:url(../images/menu.png) center/76% no-repeat;
    border-radius:3px;
    border:1px solid #514e4e
}
@-webkit-keyframes yorum-scale{
    0%{
        -webkit-box-shadow:0 0 0 0 #eee;
        box-shadow:0 0 0 0 #eee
    }
    35%{
        -webkit-box-shadow:0 0 10px 5px #eee;
        box-shadow:0 0 10px 5px #eee
    }
    70%{
        -webkit-box-shadow:0 0 10px 5px #ea830e;
        box-shadow:0 0 10px 5px #ea830e
    }
    100%{
        -webkit-box-shadow:0 0 0 0 #ea830e;
        box-shadow:0 0 0 0 #ea830e
    }
}
@-moz-keyframes yorum-scale{
    0%{
        -moz-box-shadow:0 0 0 0 #eee;
        box-shadow:0 0 0 0 #eee
    }
    35%{
        -moz-box-shadow:0 0 10px 5px #eee;
        box-shadow:0 0 10px 5px #eee
    }
    70%{
        -moz-box-shadow:0 0 10px 5px #ea830e;
        box-shadow:0 0 10px 5px #ea830e
    }
    100%{
        -moz-box-shadow:0 0 0 0 #ea830e;
        box-shadow:0 0 0 0 #ea830e
    }
}
@-ms-keyframes yorum-scale{
    0%{
        -ms-box-shadow:0 0 0 0 #eee;
        box-shadow:0 0 0 0 #eee
    }
    35%{
        -ms-box-shadow:0 0 10px 5px #eee;
        box-shadow:0 0 10px 5px #eee
    }
    70%{
        -ms-box-shadow:0 0 10px 5px #ea830e;
        box-shadow:0 0 10px 5px #ea830e
    }
    100%{
        -ms-box-shadow:0 0 0 0 #ea830e;
        box-shadow:0 0 0 0 #ea830e
    }
}
@-o-keyframes yorum-scale{
    0%{
        -o-box-shadow:0 0 0 0 #eee;
        box-shadow:0 0 0 0 #eee
    }
    35%{
        -o-box-shadow:0 0 10px 5px #eee;
        box-shadow:0 0 10px 5px #eee
    }
    70%{
        -o-box-shadow:0 0 10px 5px #ea830e;
        box-shadow:0 0 10px 5px #ea830e
    }
    100%{
        -o-box-shadow:0 0 0 0 #ea830e;
        box-shadow:0 0 0 0 #ea830e
    }
}
@keyframes yorum-scale{
    0%{
        box-shadow:0 0 0 0 #eee
    }
    35%{
        box-shadow:0 0 10px 5px #eee
    }
    70%{
        box-shadow:0 0 10px 5px #ea830e
    }
    100%{
        box-shadow:0 0 0 0 #ea830e
    }
}
@-webkit-keyframes yorum-content-in{
    from{
        opacity:0;
        -webkit-transform:translateY(100%);
        transform:translateY(100%)
    }
    to{
        opacity:1;
        -webkit-transform:translateY(0);
        transform:translateY(0)
    }
}
@-moz-keyframes yorum-content-in{
    from{
        opacity:0;
        -moz-transform:translateY(100%);
        transform:translateY(100%)
    }
    to{
        opacity:1;
        -moz-transform:translateY(0);
        transform:translateY(0)
    }
}
@-ms-keyframes yorum-content-in{
    from{
        opacity:0;
        -ms-transform:translateY(100%);
        transform:translateY(100%)
    }
    to{
        opacity:1;
        -ms-transform:translateY(0);
        transform:translateY(0)
    }
}
@-o-keyframes yorum-content-in{
    from{
        opacity:0;
        -o-transform:translateY(100%);
        transform:translateY(100%)
    }
    to{
        opacity:1;
        -o-transform:translateY(0);
        transform:translateY(0)
    }
}
@keyframes yorum-content-in{
    from{
        opacity:0;
        transform:translateY(100%)
    }
    to{
        opacity:1;
        transform:translateY(0)
    }
}
@-webkit-keyframes yorum-content-out{
    from{
        opacity:1;
        -webkit-transform:translateY(0);
        transform:translateY(0)
    }
    to{
        opacity:0;
        -webkit-transform:translateY(-100%);
        transform:translateY(-100%)
    }
}
@-moz-keyframes yorum-content-out{
    from{
        opacity:1;
        -moz-transform:translateY(0);
        transform:translateY(0)
    }
    to{
        opacity:0;
        -moz-transform:translateY(-100%);
        transform:translateY(-100%)
    }
}
@-ms-keyframes yorum-content-out{
    from{
        opacity:1;
        -ms-transform:translateY(0);
        transform:translateY(0)
    }
    to{
        opacity:0;
        -ms-transform:translateY(-100%);
        transform:translateY(-100%)
    }
}
@-o-keyframes yorum-content-out{
    from{
        opacity:1;
        -o-transform:translateY(0);
        transform:translateY(0)
    }
    to{
        opacity:0;
        transform:translateY(-100%)
    }
}
@keyframes yorum-content-out{
    from{
        opacity:1;
        transform:translateY(0)
    }
    to{
        opacity:0;
        transform:translateY(-100%)
    }
}
@-webkit-keyframes yorum-show{
    from{
        opacity:0;
        -webkit-transform:scale(0);
        transform:scale(0)
    }
    to{
        opacity:1;
        -webkit-transform:scale(1);
        transform:scale(1)
    }
}
@-moz-keyframes yorum-show{
    from{
        opacity:0;
        -moz-transform:scale(0);
        transform:scale(0)
    }
    to{
        opacity:1;
        -moz-transform:scale(1);
        transform:scale(1)
    }
}
@-ms-keyframes yorum-show{
    from{
        opacity:0;
        -ms-transform:scale(0);
        transform:scale(0)
    }
    to{
        opacity:1;
        -ms-transform:scale(1);
        transform:scale(1)
    }
}
@-o-keyframes yorum-show{
    from{
        opacity:0;
        -o-transform:scale(0);
        transform:scale(0)
    }
    to{
        opacity:1;
        -o-transform:scale(1);
        transform:scale(1)
    }
}
@keyframes yorum-show{
    from{
        opacity:0;
        transform:scale(0)
    }
    to{
        opacity:1;
        transform:scale(1)
    }
}
@-webkit-keyframes yorum-hide{
    from{
        opacity:1;
        -webkit-transform:scale(1);
        transform:scale(1)
    }
    to{
        opacity:0;
        -webkit-transform:scale(0);
        transform:scale(0)
    }
}
@-moz-keyframes yorum-hide{
    from{
        opacity:1;
        -moz-transform:scale(1);
        transform:scale(1)
    }
    to{
        opacity:0;
        -moz-transform:scale(0);
        transform:scale(0)
    }
}
@-ms-keyframes yorum-hide{
    from{
        opacity:1;
        -ms-transform:scale(1);
        transform:scale(1)
    }
    to{
        opacity:0;
        -ms-transform:scale(0);
        transform:scale(0)
    }
}
@-o-keyframes yorum-hide{
    from{
        opacity:1;
        -o-transform:scale(1);
        transform:scale(1)
    }
    to{
        opacity:0;
        -o-transform:scale(0);
        transform:scale(0)
    }
}
@keyframes yorum-hide{
    from{
        opacity:1;
        transform:scale(1)
    }
    to{
        opacity:0;
        transform:scale(0)
    }
}
@media only screen and (max-width:700px){
    #ust-1{
        display:none;
        flex-direction:column;
        justify-content:center;
        align-items:center;
        font-size:12px;
        padding:8px 0;
        height:auto
    }
    #mobil-menu{
        display:block;
        top:10px
    }
    #slider{
        margin-bottom:15px
    }
    #menu-bg{
        background:linear-gradient(180deg,#034d53 0,#00090d 50%,#145c93 100%);
        box-shadow:inset 0 0 120px #000
    }
    #menu-bg[data-ak="1"]{
        height:100vh!important
    }
    #anasayfa-slider .row video{
        position:fixed;
        top:50%;
        left:50%;
        min-width:100%;
        min-height:100%;
        width:auto;
        height:auto;
        z-index:-2;
        transform:translateX(-50%) translateY(-50%);
        background-size:cover;
        transition:opacity 1s
    }
    #anasayfa-slider .row{
        margin-top:300px
    }
    #arayalim{
        left:0;
        width:100%
    }
    #arayalim div input{
        margin-right:10px
    }
    .container{
        width:100%!important
    }
    #slider{
        width:95%;
        border-radius:10px;
        margin-top:15px
    }