body {
    margin: 0;
    padding: 0;
    background-color: #364E58;
    font-family: "Geologica", sans-serif;
    color: #F5F5F5;
}


.site-header.option1 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #2A3A40;
    padding: 14px 30px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.nav-left {
    display: flex;
    align-items: center;
}

.logo {
    font-size: 2.1rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
}

.main-menu {
    flex: 1;
}

.menu {
    display: flex;
    justify-content: center;
    gap: 22px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.menu a {
    text-decoration: none;
    color: #F5F5F5;
    padding: 10px 24px;
    border-radius: 999px;
    background-color: #364E58;
    border: 1px solid rgba(255,255,255,0.15);
    font-weight: 600;
    font-size: 1.1rem;
    transition: 0.2s ease;
}

.menu a:hover {
    background-color: #425E69;
    transform: translateY(-1px);
}

.menu a.active {
    background-color: #F5F5F5;
    color: #111111;
}

/* projects layout */

.projects {
    max-width: 1000px;
    margin: 50px auto 60px;
    padding: 0 20px;
}

.projects-heading {
    font-size: 2.4rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 30px;
    color: #F5F5F5;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.project-card {
    background-color: #2A3A40;
    border-radius: 16px;
    padding: 24px 22px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
    border: 2px solid #111111;
    text-align: center;
}

.project-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 18px;
    color: #F5F5F5;
}

.project-link {
    display: inline-block;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 8px;
    background-color: #364E58;
    border: 2px solid #111111;
    color: #F5F5F5;
    font-weight: 600;
    transition: 0.2s ease;
}

.project-link:hover {
    background-color: #425E69;
}

@media (max-width: 700px) {
    .site-header.option1 {
        flex-direction: column;
        align-items: flex-start;
        padding: 12px 18px;
    }

    .main-menu {
        width: 100%;
        margin-top: 8px;
    }

    .menu {
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 10px;
    }

    .projects {
        margin-top: 40px;
        padding: 0 16px 40px;
    }
}