* {
    margin-top: 0;
    margin-left: 0;
    margin-right: 0;
}

body {
    padding: 0;
    margin: 0;
}

li {
    overflow: hidden;
}

a {
    color: inherit !important;
    text-decoration: none !important;
}

header {
    position: fixed;
    z-index: 1000;
    top: 0;
    height: 6em;
    display: flex;
    width: 100%;
}

#header {
    position: sticky;
    background-color: white;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: none !important;
}

#header.scrolled {
    height: 4em;
    background: white;
    /* Aşağı kaydırınca beyaz olacak */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1) !important;
    /* Hafif bir gölge efekti */
    padding: 15px 30px;
    /* Biraz küçülebilir */
    transition: background-color 0.3s ease-in-out, padding 0.3s ease-in-out;
}

.header-logo {
    width: 6em;
}
/* Header için ekstra stil */
.navbar-light .navbar-nav .nav-link {
    color: #515456;
    /* Link rengi koyu gri */
    font-weight: bold;
}


.navbar-light .navbar-brand {
    color: #333;
    /* Logo rengi daha koyu */
    font-weight: bold;
}

.navbar-light .navbar-toggler {
    border-color: rgba(0, 0, 0, 0.1);
    /* Açılır menü butonu daha belirgin */
}

.nav-item {
    border: unset;
    border-radius: 15px;
    color: #505456;
    z-index: 1;
    position: relative;
    font-weight: 1000;
    font-size: 17px;
    transition: all 250ms;
    overflow: hidden;
}

.header-selected{
    color: #216291;
}

.nav-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    border-radius: 15px;
    background-color: #216291;
    z-index: -1;
    transition: all 250ms
}


.nav-item:hover::before {
    width: 100%;
}

.navbar-light .navbar-nav .nav-link:hover {
    color: white !important;
}
.header-bg-container{
    max-width: 100%;
    overflow: hidden;
}

.box-container{
    position: relative;
    display: flex;
}

.box{
    position: absolute;
    display: flex;
    top: 200px;
    left: 10%;
    width: auto;
    padding-right: 5%;
    height: auto;
    background-color: white;
    border-radius: 20px;
    box-shadow: 2px 4px 8px rgba(0, 0, 0, 0.1);
}
.box a:hover{
    color: #216291 !important;
}
.box p {
    font-weight: normal !important;
}

.content{
    margin-top: 5%;
    margin-left: 33%;
    margin-right: 10%;
    font-weight: 100 !important;
    font-size: 20px;
}
.content img{
    overflow: hidden;
    width: 100%;
}
.content-title{
    color: #216291;
    font-weight: bold;
}

.group-content {
    display: flex;
    justify-content: center;
    padding-top: 10%;
    padding-bottom: 10%;
}
.group-content img{
    display: flex;
    justify-content: center !important;
    width: 75% !important;
}

footer {
    padding-bottom: 1%;
    width: 100%;
    background-color: #216291;
}

.footer-content {
    margin: 0 5%;
}

.footer-ul {
    padding-top: 4em;
}

.footer-ul li {
    font-size: 12px;
}
.footer-content .row .col-md-2{
    background-color: #216291;
}
.footer-logo {
    padding: 0 0 !important;
    background-color: #4887AA !important;
}

.footer-logo ul{
    padding: 0;
    padding-top: 20%;
}
li i{
    padding: 5px 0;
}





/* RESPONSIVE */ 

@media(max-width: 991px){
    #header{
        background: white;
        position: relative;
        width: 100%;
        padding: 0;
    }
    header{
        position: sticky;
        background: white;
    }
    #header.scrolled{
        height: 100px;
        padding: 0;
    }
    .header-content{
        background: white;
        width: 100%;
    }
    .box{
        left: 0;
        top: -100px;
        width: 100%;
        display: flex;
        position: relative;
    }
    .content{
        margin: 3%;
        justify-content: center;
        align-items: center;
    }
    .group-content img{
        width: 100%;
    }
    .certificates{
        width: 100% !important;
    }
}