*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial, Helvetica, sans-serif;
}

html{
    scroll-behavior:smooth;
}

body{
    background:#fff;
}

.header{
    position:sticky;
    top:0;
    width:100%;
    height:90px;
    background:white;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:0 60px;
    box-shadow:0 2px 10px rgba(0,0,0,.08);
    z-index:999;
}

.logo img{
    height:65px;
}

.nav-links{
    display:flex;
    list-style:none;
    gap:45px;
}

.nav-links a{
    text-decoration:none;
    color:#111;
    font-weight:700;
    transition:.3s;
    position:relative;
}

.nav-links a:hover,
.nav-links a.active{
    color:#0d5f2b;
}

.nav-links a.active::after{
    content:"";
    position:absolute;
    bottom:-10px;
    left:0;
    width:100%;
    height:3px;
    background:#0d5f2b;
}

.contact-btn{
    background:#083f1d;
    color:white;
    text-decoration:none;
    padding:15px 25px;
    border-radius:4px;
    font-weight:bold;
    transition:.3s;
}

.contact-btn:hover{
    background:#0d5f2b;
}

.dropdown{
    position:relative;
}

.dropdown-menu{
    position:absolute;
    top: 100%;
    left: 0;
    background:white;
    width:180px;
    list-style:none;
    display:none;
    box-shadow:0 5px 20px rgba(0,0,0,.15);
}

.dropdown-menu li a{
    display:block;
    padding:14px;
}

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

.section{
    height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    font-size:50px;
}

.home{
    margin-top:90px;
}

.hamburger{
    display:none;
    font-size:28px;
    cursor:pointer;
}

@media(max-width:900px){

.nav-links{
    position:absolute;
    top:90px;
    left:-100%;
    width:100%;
    background:white;
    flex-direction:column;
    text-align:center;
    transition:.4s;
    gap:0;
}

.nav-links li{
    padding:20px;
}

.nav-links.show{
    left:0;
}

.contact-btn{
    display:none;
}

.hamburger{
    display:block;
}

}