body {
    margin: 0;
    padding: 0;
    font-family: 'Open Sans', Helvetica, Arial, sans-serif;
    background-color: #121212;
    color: #e0e0e0;
}

.site-header {
    background-color: #1f1f1f;
    padding: 10px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100px;
    max-width: 1390px;
    margin: 0 auto;
    padding: 0 5%;
}

.site-title {
    color: #E0FFFF;
    font-size: 2.6rem;
    font-weight: 400;
    text-decoration: none;
}

.main-navigation {
    display: flex;
    align-items: center;
}

.nav {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.nav-item {
    margin-left: 20px;
}

.nav-link {
    color: #e0e0e0;
    padding: 10px 40px;
    border-radius: 6px;
    font-size: 1.2rem;
    text-decoration: none;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.nav-link:hover,
.nav-link:focus,
.nav-item.active .nav-link {
    color: #121212;
    background-color: #87CEFA;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle div {
    width: 30px;
    height: 4px;
    background-color: #FFF5EE;
    margin: 5px 0;
}

.mobile-nav {
    display: none;
    flex-direction: column;
    align-items: center;
    position: absolute;
    top: 100px;
    right: 5%;
    background-color: #1f1f1f;
    border-radius: 6px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.6);
    z-index: 1000;
}

.mobile-nav .nav-link {
    padding: 15px 20px;
    width: 100%;
    text-align: center;
    box-sizing: border-box;
}

@media screen and (max-width: 768px) {
    .main-navigation {
        display: none;
    }
    .menu-toggle {
        display: flex;
    }
    .mobile-nav {
        display: none;
    }
    .mobile-nav.active {
        display: flex;
    }
}

.after-header {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    min-height: 50vh;
}

h1 {
    margin: 20px 0;
    font-size: 2.5em;
}

.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    max-width: 1000px;
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
}

.project {
    background-color: #1f1f1f;
    padding: 15px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.6);
    border-radius: 10px;
    text-align: center;
}

.project img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

.project-title {
    font-size: 1.5em;
    margin: 15px 0 10px;
    color: #FAEBD7;
}

.project-description {
    font-size: 1em;
    color: #b0b0b0;
}

footer {
    margin-top: 40px;
    font-size: 0.8em;
    color: #b0b0b0;
    align-items: center;
    display: block;
}

a {
    text-decoration: none;
    color: #FFF5EE;
}

.links-container {
    text-align: center;
    background-color: #1f1f1f;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.6);
    border-radius: 10px;
}

.links-container ul {
    list-style: none;
    padding: 0;
}

.links-container li {
    margin: 10px 0;
}

.links-container a {
    color: #FFF5EE;
    text-decoration: none;
    font-size: x-large;
}

.links-container a:hover {
    text-decoration: underline;
}

.profile-picture {
    border: 5px solid #000080;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.6);
}