.mobile-menu {
    display: block;
    width: 54px;
    height: 54px;
    margin-top: -18px;
    margin-bottom: -18px;
    position: relative;
}

.mobile-menu span {
    display: block;
    position: absolute;
    width: 100%;
    height: 4px;
    left: 0;
    top: 50%;
    margin-top: -2px;
    background-color: #424244 !important;
    border-radius: 22px;
    transition: all 0.3s ease-in-out;
}

.mobile-menu span:first-child {
    margin-top: -16px;
    background-color: black;
}

.mobile-menu span:last-child {
    margin-top: 12px;
    background-color: black;
}

.mobile-menu span:first-child, .mobile-menu span:last-child {
    width: calc(100% - 24px);
    margin-left: 12px;
}

.nav-open .mobile-menu span {
    opacity: 0;
}

.nav-open .mobile-menu span:first-child {
    opacity: 1;
    margin-left: 0;
    width: 100%;
    margin-top: -2px;
    transform: rotate(45deg);
}

.nav-open .mobile-menu span:last-child {
    opacity: 1;
    margin-left: 0;
    width: 100%;
    margin-top: -2px;
    transform: rotate(-45deg);
}

.main-nav {
    width: 100%;
    height: calc(100% - 90px);
    position: fixed;
    z-index: 99;
    top: 0;
    left: 0;
    background-color: #4c4c4e;
    opacity: 1;
    visibility: hidden;
    opacity: 0;
}

.nav-open .main-nav {
    visibility: visible;
    opacity: 1;
}

.main-nav .row, .main-nav .wrapper {
    position: relative;
    height: 100%;
}

.main-nav .row {
    z-index: 1;
}

.main-nav .col {
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    width: 30%;
    overflow-y: auto;
    padding: 0;
    margin: 0;
    z-index: 3;
    background-color: #4c4c4e;
    justify-content: flex-start;
    align-items: flex-start;
}


.main-nav ul, .main-nav ul li {
    margin: 0;
    padding: 0;
    list-style: none;
    display: block;
    float: left;
    clear: both;
    width: 100%;
    height: auto;
}

.main-nav .col.col1 ul {
    margin-top: 180px;
    padding-left: 12px;
    padding-right: 48px;
    margin-bottom: 48px;
}

.main-nav .col.col1 ul li a {
    display: block;
    float: left;
    width: 100%;
    padding-top: 12px;
    padding-bottom: 12px;
    font-size: 20px;
    height: auto;
    text-decoration: none;
    color: white;
    font-weight: 700;
    opacity: 1;
}

.main-nav .col.col1 ul li a i {
    float: right;
    transform: rotate(90deg);
    font-size: 60%;
    margin-top: 6px;
}

.main-nav .col.col1 ul li a.active, .main-nav .col.col1 ul li a:hover, .main-nav .col.col1 ul li a.active3 {
    opacity: 1;
    text-shadow: 0 0 10px white;
}

.main-nav .col.col1 ul li a.active i {
    transform: rotate(0deg);
}

.main-nav .col.col2 {
    margin-left: 0;
    z-index: 2;
    overflow: visible;
    background-color: transparent;
}

.main-nav .col.col2 .background1 {
    z-index: 3;
    background: #0aa2e7;
}

.main-nav .col.col2 .background2 {
    z-index: 2;
    border-left: 1px solid rgba(255,255,255,0.15);
    background: #0aa2e7;
}

.main-nav .col.col2 .side-nav2 {
    left: 0;
    width: 100%;
}

.main-nav .col.col2 .side-nav2.active {
    left: 100%;
}

.main-nav .absolute {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    overflow-y: auto;
}

.main-nav .col.col2 {
    width: 30%;
}

.main-nav .col.col2.active {
    margin-left: 30%;
    
}

.main-nav .col.col2 ul {
    margin-top: 180px;
    position: relative;
    margin-bottom: 48px;
    padding-left: 48px;
    padding-right: 48px;
}



.main-nav .col.col2 ul li a {
    display: block;
    float: left;
    width: 100%;
    padding-top: 12px;
    padding-bottom: 12px;
    font-size: 18px;
    height: auto;
    text-decoration: none;
    color: white;
    font-weight: 500;
    opacity: 0.85;
}

.main-nav .col.col2 ul li a i {
    float: right;
    transform: rotate(90deg);
    font-size: 60%;
    margin-top: 6px;
}

.main-nav .col.col2 ul li a.active i {
    transform: rotate(0deg);
}


.main-nav .col.col2 ul li a:hover, .main-nav .col.col2 ul li a.active {
    opacity: 1;
    text-shadow: 0 0 10px white;
}

.main-nav .col.col2 .side-nav2 ul li a {
    font-weight: 300;
    font-size: 15px;
}

.main-nav .img {
    background-color: #001e2b;
    left: 30%;
    width: 70%;
    position: absolute;
    height: 100%;
    top: 0;
    z-index: 0;
}

.main-nav .img img {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    object-fit: cover;
    opacity: 0;
}

.main-nav .img img.active {
    opacity: 1;
}

.main-nav .col-logo {
    width: 100%;
    position: absolute;
    height: 70px;
    z-index: 4;
    padding-left: 12px;
    padding-top: 26px;
}

.main-nav .mobile-menu {
    position: absolute;
    right: 0;
    font-size: 36px;
    color: white;
    margin-right: 24px;
}

.main-nav .mobile-menu:hover {
    color: #fb8c20;
}

.main-nav .col-logo img {
    float: left;
    height: 60px;
    width: auto;
    margin-top: 5px;
}

.main-nav .col-logo img:first-child {
    height: 75px;
    margin-top: 0;
}

.main-nav {
    margin-top: -100vh;
}

.nav-open .main-nav {
    margin-top: 90px;
}


/* Animacje */

.main-nav .col.col2, .main-nav .col.col2 .side-nav2 {
    opacity: 0;
}

.main-nav .col.col2.active, .main-nav .col.col2 .side-nav2.active {
    opacity: 1;
}


.main-nav .img img.active {
    opacity: 1;
}

.main-slider .mouse-icon {
    animation: blink 1.2s linear infinite;
}

.main-nav .col.col2, .main-nav .col.col2 .side-nav2, .main-nav {
    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    -ms-transition: all 0.3s ease-in-out;
    -o-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
}

.main-nav .img img  {
    -webkit-transition: all 0.6s ease-in-out;
    -moz-transition: all 0.6s ease-in-out;
    -ms-transition: all 0.6s ease-in-out;
    -o-transition: all 0.6s ease-in-out;
    transition: all 0.6s ease-in-out;
}

/* Social */

.main-nav .col.col1 ul li.social {
    padding-top: 12px;
    padding-bottom: 3px;
    margin-top: 12px;
}

.main-nav .col.col1 ul li.social a {
    text-decoration: none;
    color: #40b4d7;
    float: left;
    background-color: rgba(0, 0, 0, 0.05) !important;
    width: 48px;
    height: 48px;
    text-align: center;
    line-height: 48px;
    font-size: 19px;
    border-radius: 50%;
    margin-right: 9px;
    margin-bottom: 9px;
    opacity: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    text-shadow: none !important;
}

.main-nav .col.col1 ul li.social a i {
    float: none;
    transform: none;
    font-size: 100%;
    margin-top: 0;
    line-height: 36px;
}

.main-nav .col.col1 ul li.social a:nth-child(2)  {
    background-color: #667aaf;
}

.main-nav .col.col1 ul li.social a:nth-child(3)  {
    background-color: #628eb4;
}

.main-nav .col.col1 ul li.social a:nth-child(4)  {
    background-color: #589bb0;
}

.main-nav .col.col1 ul li.social a:nth-child(5)  {
    background-color: #4da8aa;
}

.main-nav .col.col1 ul li.social a:nth-child(6)  {
    background-color: #3eaa99;
}

.main-nav .close-this {
    display: none;
    width: 42px;
    height: 42px;
    position: absolute;
    left: 18px;
    top: 18px;
    background-color: #7373b9;
    text-align: center;
    line-height: 42px;
    color: white;
    font-size: 18px;
    border-radius: 5px;
}

@media screen and (max-width: 890px) {
    .main-nav {
        height: calc(100% - 70px);
    }

    .nav-open .main-nav {
        margin-top: 70px;
    }

    .main-nav .col {
        width: 33.333%;
    }

    .main-nav .col.col2 {
        width: 33.333%;
    }

    .main-nav .col.col2.active {
        margin-left: 33.333%;
    }

    .main-nav .col.col1 ul {
        margin-top: 48px;
        padding-left: 18px;
        padding-right: 18px;
        margin-bottom: 48px;
    }

    .main-nav .col.col2 ul {
        margin-top: 48px;
        position: relative;
        margin-bottom: 48px;
        padding-left: 18px;
        padding-right: 18px;
    }

    .main-nav .col.col1 ul li a {
        padding-top: 9px;
        padding-bottom: 9px;
        font-size: 17px;
    }

    .main-nav .col.col2 ul li a {
        padding-top: 9px;
        padding-bottom: 9px;
        font-size: 15px;
    }

    .main-nav .col.col1 ul li.social a {
        width: 32px;
        height: 32px;
        line-height: 38px;
        font-size: 14px;
        margin: 3px;
    }


}

@media screen and (max-width: 700px) {

    .main-nav .col.col1 ul {
        margin-top: 84px;
    }

    .main-nav .col.col2 ul {
        margin-top: 84px;
    }

    .main-nav .close-this {
        display: block;
    }


    .main-nav .col {
        width: 100%;
        max-width: 290px;
    }

    .main-nav .col.col2 {
        width: 100%;
        max-width: 290px;
        z-index: 1;
        margin-left: -100%;
        background: none;
    }

    .main-nav .col.col2 .background1 {
        background: none;
        background-color: #271d3b;
    }

    .main-nav .col.col2 .background2 {
        background: none;
        background-color: #271d3b;
    }

    .main-nav .col.col2.active {
        margin-left: 0;
        z-index: 4;
    }

    .main-nav .col.col2 .background2 {
        margin-left: -100%;
    }

    .main-nav .col.col2 .background2.active {
        margin-left: 0;
        z-index: 5;
        left: 0;
    }

}

@media screen and (max-width: 540px) {

    .main-nav .col.col1 ul {
        margin-top: 120px;
    }

    .main-nav .col.col2 ul {
        margin-top: 120px;
    }

}