body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    transition: background-color 0.3s, color 0.3s;
}
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

body.light-mode {
    background-color: #f4f4f4;
    color: #333;
}

body.dark-mode {
    background-color: #333;
    color: #f4f4f4;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: #4cafad;
    color: white;
}
header h1 {
    margin: 0;
    font-size: 24px;
}

.nav {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-grow: 1;
}
.nav li {
    display: inline;
}
.nav a {
    text-decoration: none;
    color: white;
    font-size: 18px;
    transition: color 0.3s;
}
.nav a:hover {
    color: #FF5722;
}

.hero {
    background-color: #4CAF50;
    color: white;
    padding: 80px 20px;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.hero h1 {
    font-size: 48px;
    margin: 0;
}
.hero p {
    font-size: 20px;
    margin: 20px 0;
}

.cta-button {
    background-color: #FF5722;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    font-size: 18px;
    border-radius: 5px;
    transition: background-color 0.3s;
    cursor: pointer;
}
.cta-button:hover {
    background-color: #E64A19;
}

.theme-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: #FFF;
    border: 2px solid #333;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 30px;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
}
.modal-content {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}
.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}
.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

footer {
    text-align: center;
    padding: 20px 0;
    background-color: #4cafad;
    color: white;
}