.html{
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background: rgb(166, 212, 250);
    color: rgb(0, 0, 0);
    font-family: 'Courier New', monospace;
    letter-spacing: 0px;
    box-sizing: border-box;
    margin:0;
    padding:0;
    height: 100vh;
    overflow-x: hidden;
    scroll-behavior: smooth;
}
p{
    font-family: 'Times New Roman', Times, serif;
    text-align: center;
    padding-left:5%;
    padding-right: 5%;
}
h1{
    font-size: 40px;
    margin: 0;
    text-align: center;
    font-family: Verdana, sans-serif;
    padding-bottom: 20px;
    padding-top: 20px;
}
#h1-title{
    padding-top: 50px;
    padding-bottom:0px;
}
h2{
    margin-top: 0;
    padding-top: 10px;
    font-size:35px;
    font-family: Verdana, sans-serif;
    text-align: center;
}
h3{
    text-align: left;
    font-family: Verdana, sans-serif;
    margin:0;
    z-index: 999;
    line-height: 1.5;
    padding-left: 5%;
    padding-top: 30px;
    padding-bottom: 10px;
}
#h3-title{
    text-align: center;
    padding-bottom: 75px;
    padding-top: 50px;
    margin: none;
}
h4{
    font-family: Arial, sans-serif;
    z-index: 9999;
    line-height: 1.5;
    margin: 0;
    padding-left: 5%;
    padding-right: 5%;
    padding-bottom: 20px;
}
a{
    text-decoration: none;
    color:black;
}
.nav li {
    display: inline-block;
    align-items: center;
    font-size: 14px;
    margin-left: 0px; /* Adjust spacing as needed */   
}
.sidebar li{
    margin-bottom: 60px;
}

.headNav a{
    color: white;
}
.headNav a:visited{
    color:rgb(0, 0, 0)
}
.nav a{
    padding: 24px 15px 24px 15px;
    height:100%;
}

.nav li :hover{
    background-color:rgb(127, 189, 240);
}

#header {
    width: 100%;
    margin: 0;
    padding: 10px 0; /* Optional padding for content inside header */
    box-sizing: border-box;
    background-color: rgb(254, 255, 255);
}
.navigation {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    padding: 0px;
    color: white;
    font-family: Verdana, sans-serif;
    justify-content: flex-start;
    box-shadow: -5px 0 5px rgba(0, 0, 0.1);
    position: fixed;
    z-index: 9999999;
}
.sidebar{
    position: fixed;
    top:0;
    right:0;
    height: 100vh;
    width: 250px;
    backdrop-filter: blur(10px);
    z-index: 11;
    background-color: rgb(141, 204, 255);
    box-shadow: -10px 0 10px rgb(35, 122, 194);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
}

.sidebar li{
    width:100%;
}

.sidebar a{
    width:100%;
}
.main-body{
    background-color: white;
}
.title-image{
    background-image: url('using\ device.jpg');
    display: flex;
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Keeps the background image fixed */
    position: relative;
    height: 40vh;
;
}
.intro-text{
    display:block;
    text-align: center;
    margin-top: 0;
}
.title{
    background-color:  rgb(233, 195, 255);;
    padding-top: 80px;
    padding-bottom: 20px;
}
.summary{
    padding-top: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgb(253, 253, 253);
}
#using-device{
    border-radius: px;
    display: block;
    margin:auto;
    padding-bottom: 20px;
}
.summary2{
    display: flex;
    flex-direction: row-reverse;
    justify-content: center;
    align-items: center;
    background: rgb(141, 204, 255);
    padding-top: 30px;
    padding-bottom: 30px;
    gap: 50px;
}
#testing-picture{
    padding-left: 5%;
}
.padder{
    height: 7%;
}
.top-triangle{
    width:0;
    height: 0;
    border-left: 100vw solid transparent;
    border-bottom: 2vw solid #e1d5fa;
    margin-top: 50px;
}
.bottom-triangle{
    width:0;
    height: 0;
    border-right: 100vw solid transparent;
    border-top: 2vw solid #e1d5fa;
    margin-bottom:50px;
}
.goal{
    background-color: #e1d5fa;
    text-align: center;
    padding-top: 20px;
    padding-bottom: 20px;
}
.project-context{
    display: flex;   
}
#piano-picture{
    float: right;

}
#concept-sketch{
    float:left;
    padding-top: 30px;
    padding-right: 20px;
}
.prototype-section{
    background-color: #e1d5fa;
    padding-bottom: 20px;
    padding-top: 20px;
}
#fbd-external{
    display: block;
    margin: auto;
}
#fbd-arm{
    display: block;
    margin: auto;
}
.free-body{
    display: flex;
    flex-wrap: wrap;
}

.matlab-graphs{
    display: block;
    margin: auto;
}
.picture-format{
    display: block;
    margin: auto;
    padding-top: 20px;
    padding-bottom: 20px;;
}
.testing-top{
    margin-top: 50px;
    background-color: rgb(200, 230, 255);
    margin-bottom:50px;
}
.recommendations{
    background-color: rgb(200, 230, 255);
}
@media (max-width: 1060px){
    .hideOnMobile{
        display: none;
    }
    .menu-button{
        display: block;
    }
    #using-device{
        max-width: 400px;
    }
    #testing-picture{
        max-width: 400px;
    }
}
@media(max-width: 800px)
{
    .summary{
        display: block;
        justify-content: center;
        align-items: center;
    }
    .summary2{
        display: block;
        justify-content: center;
        align-items: center;
    }
    #using-device{
        max-width: 320px;
        display:block;
        margin: auto;
    }
    #testing-picture{
        max-width: 320px;
        display:block;
        margin: auto;
    }
    .picture-format{
        width: 400px;
    }
    #fbd-external{
        max-width: 320px;
    }
    #fbd-arm{
        max-width: 320px;
    }
    .free-body{
        display:block;
    }
    .matlab-graphs{
        max-width: 320px;
    }
    .matlab-section{
        display:block;
    }

}
@media (max-width: 400px)
{
    .sidebar{
        width: 100%;
    } 
    .picture-format{
        width: 320px;
    }
}

@media (min-width: 1061px){
    .menu-button{
        display: none;
    }
}

.menu-button{
    height: 100%;
    transform: translateY(-4px);
}

/* --- Mobile Responsiveness Improvements --- */

@media (max-width: 768px) {
    .summary,
    .summary2,
    .project-context,
    .free-body,
    .matlab-section {
        display: block;
        padding-left: 10px;
        padding-right: 10px;
    }

    img {
        max-width: 100%;
        height: auto;
    }

    #using-device,
    #testing-picture,
    #piano-picture,
    #concept-sketch,
    #fbd-external,
    #fbd-arm,
    .matlab-graphs,
    .picture-format {
        width: 100%;
        max-width: 320px;
        margin: 10px auto;
        display: block;
    }

    .nav li {
        margin: 10px 0;
        text-align: center;
    }

    .nav a {
        padding: 14px;
        display: block;
    }

    h3, h4 {
        padding-left: 10px;
        padding-right: 10px;
    }
}

@media (max-width: 600px) {
    h1 {
        font-size: 28px;
    }

    h2 {
        font-size: 22px;
    }

    h3 {
        font-size: 18px;
    }

    h4 {
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    .sidebar li {
        padding: 10px 0;
        text-align: left;
    }

    .sidebar a {
        font-size: 18px;
    }
}