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

body {
    background: #080808;
    color: #fff;
}

#header {
    width: 100%;
    height: 100vh;
    background-image: url(images/background.png);
    background-size: cover;
    background-position: center;
}

.container {
    padding: 10px 5%;
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.logo{
    margin-top: 20px;
    margin-left: 10px;
    width: 140;

}

nav ul li{
    display: inline-block;
    list-style: none;
    margin: 20px 20px;
}

nav ul li a{
    color: #fff;
    text-decoration: none;
    font-size: 18px; 
    position: relative;
}

nav ul li a::after{
    content: '';
    width: 0;
    height: 3px;
    background: #006400;
    position: absolute;
    left: 0; 
    bottom: -6px; 
    transition: 0.5s;

}

nav ul li a:hover::after{
    width: 100%;
}

.header-text{
    margin-top: 5%;
    margin-left: 10%;
    font-weight: 600;
    font-size: 160px; 
}

.header-text h1{
    font-size: 40px; 
    margin-top: 10px; 
}

.header-text h1 span{
    color: #006400;
}

/* ------about-------- */
#about{
    padding: 40px 0; 
  
    color: #ababab;
}

.row{
    display: flex; 
    justify-content: space-between; 
    flex-wrap: wrap; 
}

.about-col-1{
    flex-basis: 35%;

}

.about-col-1 img{
    width: 100%;
    border-radius: 15px; 
}

.about-col-2{
    flex-basis: 60%; 
}

.sub-title{
    font-size: 60px;
    font-weight: 600;
    color: #fff;
}

.tab-titles{
    display: flex;
    margin: 20px 0 40px; 
}

.tab-links{
    margin-right: 50px;
    font-size: 18px;
    font-weight: 500;
    cursor: pointer; 
    position: relative; 
}

.tab-links::after{
    content: '';
    width: 0;
    height: 3px; 
    background: #006400;
    position: absolute;
    left: 0;
    bottom: -8px; 
    transition: 0.5s;
}

.tab-links.active-link::after{
    width: 50%;
}

.tab-contents ul li{
    list-style: none;
    margin: 10px 0;
}

.tab-contents ul li span{
    color: #556B2F;
    font-size: 14 px;
}

.tab-contents{
    display: none;
}

.tab-contents.active-tab{
    display: block;

}