body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #f9f9f9;
}
header {
    background-color: #4CAF50;
    color: white;
    text-align: center;
    padding: 2rem;
}
header .logo {
    max-width: 150px;
    margin-bottom: 1rem;
}
header h1 {
    margin: 0;
    font-size: 2.5rem;
}
header h2 {
    margin: 0.5rem 0 0;
    font-size: 1.5rem;
    font-weight: normal;
}
nav {
    background-color: #333;
    padding: 1rem;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: white;
    margin: 5px 0;
    transition: all 0.3s;
}

.nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.nav-menu li {
    margin: 0.5rem 1rem;
}

.nav-menu li a {
    color: white;
    text-decoration: none;
    font-size: 1rem;
}

.nav-menu li a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        background-color: #333;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        padding: 1rem;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        margin: 0.5rem 0;
    }
}
section {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

section#survey {
    background-color: #e8f5e9; /* Light green background for survey section */
    padding: 1.5rem;
    border-radius: 8px;
}
section h2 {
    color: #4CAF50;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}
section h3 {
    font-size: 1.4rem;
    color: #333;
    margin-top: 1.5rem;
}
section p {
    margin: 0.5rem 0;
}
section ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}
section ul li {
    margin-bottom: 0.5rem;
}
.component-image {
    max-width: 100%;
    height: auto;
    margin: 1rem 0;
    display: block;
}
video {
    max-width: 100%;
    margin: 1rem 0;
}
a {
    color: #4CAF50;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
footer {
    text-align: center;
    padding: 1rem;
    background-color: #333;
    color: white;
    margin-top: 2rem;
}
em {
    color: #666;
    font-style: italic;
}