.header{
width:100%;
}

/* ROW 1 */

.top-header{
display:flex;
justify-content:space-between;
align-items:center;
background:#f5f5f5;
padding:8px 6%;
font-size:14px;
}

.social-icons a{
margin-right:12px;
color:#333;
font-size:14px;
}

.certificates img{
height:25px;
margin-left:10px;
}


/* ROW 2 */

.middle-header{
display:flex;
justify-content:space-between;
align-items:center;
padding:15px 6%;
}

.logo img{
height:60px;
}

.contact-info span{
margin-left:20px;
font-weight:500;
}


/* ROW 3 */

.navbar{
background:#0d6efd;
position:sticky;
top:0;
z-index:999;
}

.nav-menu{
display:flex;
list-style:none;
padding:0 6%;
}

.nav-menu li{
position:relative;
}

.nav-menu a{
display:block;
padding:16px 20px;
color:white;
text-decoration:none;
font-weight:500;
}

.nav-menu a:hover{
background:#084298;
}

/* Dropdown */

.dropdown-menu{
display:none;
position:absolute;
top:100%;
left:0;
background:white;
min-width:200px;
list-style:none;
box-shadow:0 5px 15px rgba(0,0,0,0.1);
}

.dropdown-menu li a{
color:#333;
padding:12px 15px;
}

.dropdown:hover .dropdown-menu{
display:block;
}

/* Hamburger */

.menu-toggle{
display:none;
font-size:22px;
color:white;
padding:15px;
cursor:pointer;
}


/* Mobile */

@media(max-width:768px){

.top-header{
flex-direction:column;
gap:5px;
}

.middle-header{
flex-direction:column;
gap:10px;
}

.menu-toggle{
display:block;
}

.nav-menu{
display:none;
flex-direction:column;
background:#0d6efd;
}

.nav-menu.active{
display:flex;
}

.nav-menu li{
width:100%;
}

.dropdown-menu{
position:static;
box-shadow:none;
}

}