* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f5f5f5;
    color: #333;
}

footer{
    text-align : center;
}

#container{
    display : flex; 
    flex-direction  : row; 
    height: 100%;
    justify-content: flex-start; 
}


header{
    background-color: #1e293b ; 
    color:white; 
    text-align : left; 
    padding : 2.5em;
    width : 100%; 
}


nav{
    background-color: #34495e;
    max-width: 30%;
    align-content: center;
    height: 100%;
}


#directory{
    list-style: none; 
}

#directory li a {
    display: flex; 
    font-size: calc(2px + 1.5vw);
    text-decoration: none; 
    padding: 10vh 15vw; 
    color: white; 
    justify-content: center; 
    align-items: center;
}

#selfDescription {
    font-size : 40px; 
}
img{
    max-width: 100%;
    
}


#main-text1 ul {
    padding: 0;
    margin: 0;
}

#main-text1 li {
    margin-left : 1em;
    margin-bottom: 1.75em;
    font-size: 1em;
}

#main-text2{
    margin-left : 3vw; 
    font-size : 1.25em;
}

footer { 
    background-color : #1e293b; 
    color:white; 
}
footer a{
    color:white; 
    margin-left : 0.3em;
}

main{
    max-width : 70%; 
    margin-left : 1em;
}

#main-title{
    text-align : center; 
    font-size: calc(2px + 3vw)
}

#main-image{
    text-align: center;
}
#self-image{
    max-width:40%; 
}

#main-text{
    margin-top : 3vh;
    font-size: calc(2px + 2vw);
}

#main-text1{
    margin-top : 3vh;
    margin-left :3vh; 
    font-size: calc(2px + 2vw);
}



#main-text3 ul {
    padding: 0;
    margin: 0;
}

#main-text3 li {
    margin-left : 3em; 
    margin-bottom: 10vh; 
    font-size: calc(2px + 2vw);  
}

#main-text5{
    font-size: calc(2px + 2vw);  
    margin-left : 2em; 
}


@media screen and (max-width: 1000px) {
    main {
        max-width: 100%; 
    }
}

@media screen and (max-width: 750px) {

    #main-text {
        margin-top: 3vh;
        font-size: calc(1.5rem + 1vw);
        text-align: center;
    }
    
    body, html {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    .page-wrapper {
        width: 100%;
        min-height: 100vh;
    }

    #container {
        flex-direction: column;  
        width: 100%; 
        min-height: 100vh;
        padding: 0 15px;
    }
    
    nav {
        max-width: 100%;
        display: flex;
        flex-direction: column; 
        align-items: center;
        width: 100%;
    }
    
    #directory {
        list-style: none; 
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        padding: 0; 
        margin: 10px 0; 
        width: 100%;
    }
    
    #directory li {
        text-align: center;
        margin: 5px 10px; 
    }
    
    #directory li a {
        padding: 8px 12px;
        font-size: calc(1rem + 0.3vw); 
        display: block; 
        text-decoration: none;
    }
    
    main {
        max-width: 100%;
        padding: 0 15px; 
    }
    
    header {
        text-align: center;
        padding: 0 15px; 
    }

    #main-image {
        display: flex;
        justify-content: center;
        width: 100%;
    }

    #self-image {
        max-width: 100%;
        height: auto;
        object-fit: contain;
    }

    footer {
        text-align: center;
        padding: 10px 15px;
        width: 100%;
    }
}



.calculator-section {
    margin-top: 4vh;
    padding: 2vh;
    background-color: #f8f9fa;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.calculator-section h4 {
    font-size: calc(1rem + 0.5vw);
    margin-bottom: 2vh;
    text-align: center;
}

.calculator-container {
    display: flex;
    flex-direction: column;
    gap: 2vh;
    padding: 2vh;
    max-width: 500px;
    margin: 0 auto;
}

.input-group {
    display: flex;
    gap: 1vh;
    justify-content: center;
}

.input-group input {
    padding: 1vh;
    font-size: calc(0.8rem + 0.3vw);
    border: 1px solid #34495e;
    border-radius: 5px;
    width: 45%;
    max-width: 200px;
}



.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1vh;
    justify-content: center;
}

.button-group button {
    padding: 1vh 2vh;
    font-size: calc(0.8rem + 0.3vw);
    background-color: #34495e;
    color: white;
    border: none;
    border-radius: 5px;
    min-width: 60px;
}

.button-group button:hover {
    background-color: #2c3e50;
}

.output-container {
    text-align: center;
    padding: 2vh;
    font-size: calc(1rem + 0.3vw);
}

.input-field {
    display: flex;
    flex-direction: column;
    align-items : center;
}

.input-field label {
    font-size: calc(0.8rem + 0.3vw);
    color: #34495e;
}

.input-field input {
    padding: 1vh;
    font-size: calc(0.8rem + 0.3vw);
    border: 1px solid #34495e;
    border-radius: 5px;
    width: 45%;
    max-width: 200px;
}