* {
    box-sizing: border-box; 
}

body {
    padding: 0;
    margin: 0;
    font-family: 'Lexend';
}

header {
    position: absolute;
    display: flex;
    align-items: center;
    width: 100%;
    padding: 10px 20px 10px 0px;
    background-color: rgb(255, 255, 255, .05);
    justify-content: space-between;
}

header p {
    margin-left: 20px;
    font-size: 20px;
    color: #fffff0;
}

ul {
    margin-right: 15px;
}

li {
    display: inline-block;
    margin: 0;
    padding: 0;
}

a {
    color: #fffff0;
    text-decoration: none;
    margin-right: 20px;
}

ul li a {
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 100px;
    padding: 7.5px 0;
    border-radius: 10px;
    background-color: rgb(255, 255, 255, .08);
}

.menu_button {
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 100px;
    padding: 7.5px 0;
    border-radius: 10px;
    background-color: rgb(255, 255, 255, .08);
}

header div div {
    color: #fffff0;
    margin-left: 30px;
}

.container {
    scroll-snap-type: y mandatory;
    overflow-y: scroll; 
    height: 100vh; 
    background-attachment: fixed; 
}

.part {
    width: 100%;
    height: 100%;
    scroll-snap-align: start;
    min-height: 100vh; 
    padding: 0;
    font-size: 2em;
    margin: 0; 
    font-weight: bold;
    color: white;
    transition: background-color 1s ease-in-out;
}

.user {
    margin: 0 0 0 10%;
    padding: 0;
    
}

.part1 {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 0;
    width: 100%;
    height: 100%;
    background-color: #140820;
}

.user span {
    margin: 0;
    padding: 0;
    font-size: 20px;
    color: #333333;
}

.part div h2 {
    margin: 0;
    padding: 0;
}

.code {
    margin-right: 100px;
    font-size: 70px;
}

.code span {
    margin: 0;
    padding: 0;
}

.part2 {
    display: flex;
    background-image: linear-gradient(#140820, #240d29);
}

.part2 div h2, .part3 div h2 {
    margin: 20% 0 0 5%;
}

.part2 div h4 {
    margin-left: 5%;
}

.part2 div p {
    margin: 30px 0 0 5.5%;
    font-size: 19px;
    font-weight: normal;
}

.part3 {
    display: flex;
    background-color: #240d29;
}

.section_content {
    width: 100%;
    display: flex;
    justify-content: space-between;
}

.tabs {
    background-color:rgba(209, 209, 209, 0.066);
    margin: 120px 20px 20px 0;
    border-radius: 20px;
}


.tabs_section {
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    margin: 20px 0 5px 0;
}

.tabs_section p {
    text-align: center;
    width: 50%;
    font-size: 25px;
    font-weight: normal;
    color: darkgray;
}

.project-card {
    width: 100%;
    padding: 20px;
}

#tab1 {
    color: #f1f1f1;
}

.section_title_des {
    width: auto;
    margin-top: 120px;
    margin-left: 50px;
}

.section_title_des h4 {
    font-size: 30px;
}

.section_title_des p {
    font-size: 20px;
    font-weight: normal;
}

.title_des {
    margin-left: 20px;
    margin-right: 50px;
}

.title_des p {
    width: 190px;
    font-weight: normal;
}

.project-card h4 {
    font-size: 25px;
    margin-bottom: 10px;
}

.project-card p {
    font-size: 15px;
}

.project_image_first {
    width: auto;
    height: 450px;
   
}

.project_image_second {
    width: auto;
    height: 550px;
}

.project-style {
    display: flex;
    justify-content: space-between;
}

.menu_button {
    display: none;

}

.hamburger {
    display: none;
}

.ca {
    display: inline-block;
    animation: charMove 4s infinite linear;
}

.cb {
    display: inline-block;
    animation: charMoveInverse 5s infinite linear;
}

.cc {
    display: inline-block;
    animation: charMoveSecond 4s infinite linear;
}

@keyframes charMove {
    0%, 100% {
        transform: translateY(-10px); 
    }
    50% {
        transform: translateY(15px); 
    }
}

@keyframes charMoveSecond {
   0%, 100% {
        transform: translateY(15px); 
    }
    50% {
        transform: translateY(-10px); 
    }
}

@keyframes charMoveInverse {
   0%, 100% {
        transform: translateY(-25px);
    }
    50% {
        transform: translateY(20px);
    }
}

@media (min-width: 350px) and (max-width: 1050px){
    .section_content {
        display: block;
    }

    .tabs {
        
        margin-left: 30px;
        margin-top: 50px;
    }

    .image_container {
        display: flex;
        margin-top: 40px;
        justify-items: center;
        justify-content: center;
        align-items: center;
    }

    .project_img {
        width: 170px;
        height: 360px;
    }
}

@media (max-width: 760px){
    header {
        margin: 0;
    }

    ul, a {
        margin: 0;
    }

    .menu a {
        padding: 10px;
    }
    
    .user {
        display: flex;
    }

    .tabs {
        display: block;
        
        margin-left: 30px;
        margin-top: 50px;
    } 

    .menu {
        display: none;
        background-color: #251832;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        position: absolute;
        top: 100%;
        right: 0;
        width: 200px;
        padding: 10px 0;
        box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.2);
        border-bottom-left-radius: 10px;
    }

    .menu_button {
        display: flex;
    }

    .menu li {
        text-align: center;
        padding: 10px 0;
    }

    .menu-toggle:checked + .hamburger + .menu {
        display: flex; 
    }

    .hamburger {
        display: block;     
    }

    .menu_toggle {
        display: block;
    }

    .part1 {
        height: 100%;
        flex-direction: column;
        justify-content: center;
    }

    .user {
        display: block;
        margin: 0 0 40px 0px;
    }

    .code {
        margin-right: 0;
    }

    .part2 div h2 {
        margin-top: 120px;
    }

    .section_title_des {
        margin-left: 30px;
    }

    .section_title_des h3 {
        font-size: 25px;
        margin: 0;
    }

    .section_title_des p {
        font-size: 19px;
        margin-bottom: 50px;
        font-weight: normal;
    }

    .section_content {
        display: block;
    }

    .project3 {
        height: auto;
    }
}

@media (max-width: 550px){
    .project-style {
        display: block;
    }
}