styles.css

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400;500&display=swap');

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    color: #fefefe;
}
html{
    scroll-behavior: smooth;
}
body{
    background: rgba(0, 0, 0, 0.8)
}

/* HEADER START */

header{
    width: 100%;
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 10%;
    position: relative;
    background-color: #24252A;
}
.logo{
    cursor: pointer;
    /* text-transform: uppercase; */
    color: #fff;
}
.nav_links{
    list-style: none;
}
.nav_links li a{
    text-decoration: none;
    color: #fff;
    cursor: pointer;
    text-transform: uppercase;
}
.nav_links li{
    display: inline-block;
}
.nav_links li a{
    transition: all 0.3s ease 0s;
    -webkit-transition: all 0.3s ease 0s;
    -moz-transition: all 0.3s ease 0s;
    -ms-transition: all 0.3s ease 0s;
    -o-transition: all 0.3s ease 0s;
}
.nav_links li a:hover{
    color:#1fb8d6 ;
}

.toggle_btn{
    background-color: #24252A;
    display: none;
}
.toggle_btn img:hover, img:active{
    opacity: 0.8;

}
.toggle_btn.active img{
    opacity: 0.8;
    background: url(images/close-white.png);
    width: 30px;
}
.toggle_btn img{
    width: 30px;
    cursor: pointer;
    transition:all 0.3s ease 0s;
}
nav .nav_links{
    display: flex;
    gap: 2rem;
}

/* DROPDOWN MENU */
.dropdown-menu{
    background-color: #24252A;
    position: absolute;
    width: 100%;
    /* height: 300px; */
    top: 80px;
    left: 50%;
    font-size: 18px;
    transform: translateX(-50%);
    transition: 0.5s ease;
    display: none;
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    -webkit-transition: 0.5s ease;
    -moz-transition: 0.5s ease;
    -ms-transition: 0.5s ease;
    -o-transition: 0.5s ease;
}
.dropdown-menu.active{
    height: 250px;
}
.dropdown-menu li{
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.dropdown-menu.active li{
    opacity: 1;
}
.dropdown-menu li a{
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease 0s;
    -webkit-transition: all 0.3s ease 0s;
    -moz-transition: all 0.3s ease 0s;
    -ms-transition: all 0.3s ease 0s;
    -o-transition: all 0.3s ease 0s;
}
.dropdown-menu li a:hover{
    color: #1fb8d6;
}

/* HEADER END */

/* FIRST SECTION START */
#Home{
    height: 90vh;
    background-position: center;
    background-size: cover;
    display: flex;
    flex-direction: column;
    text-align: center;
    align-items: center;
    width: 100%;
}
.text{
    margin-top: 150px;
    opacity: 1;
    line-height: 1.5;
}
.text h4{
    letter-spacing: 2px;
    font-size: 25px;
    font-weight: 400;
}
.intro{
    font-size: 40px;
    margin-top: -5px;
}
.text p{
    font-size: 20px;
}
.btn{
    margin-top: 30px;
}
.btn a{
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 1);
    padding: 10px 20px;
    transition: 0.3s ease;
    -webkit-transition: 0.3s ease;
    -moz-transition: 0.3s ease;
    -ms-transition: 0.3s ease;
    -o-transition: 0.3s ease;
}
.btn a:hover{
    background-color: #1fb8d6;
    border-color: #1fb8d6;
}
.socials{
    margin-top: 180px;
    display: flex;
    gap: 50px;
}
.fa-brands{
    transition: 0.3s ease;
    -webkit-transition: 0.3s ease;
    -moz-transition: 0.3s ease;
    -ms-transition: 0.3s ease;
    -o-transition: 0.3s ease;
}
.fa-brands:hover{
    cursor: pointer;
    color: #1fb8d6;
}

/* FIRST SECTION END */

#About{
    height: 100vh;
    background-color: #24252A;
}
#Projects{
    height: 100vh;
}
#Contact{
    height: 100vh;
    background-color: #24252A;
}

@media(max-width:600px){
    nav .nav_links{
        display: none;
    }
    .dropdown-menu{
        display: block;
        height: 0;
        overflow: hidden;
    }
    .dropdown-menu li{
        opacity: 0;
        transition: 0.5s;
        transition-delay: 0.1s;
        -webkit-transition:0.5;
        -moz-transition: 0.5;
        -ms-transition: 0.5;
        -o-transition: 0.5;
}
    .toggle_btn{
        display: block;
    }
    .intro h1{
        font-size: 2.8rem;
    }
}