body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
    color: #333;
}

header {
    background-color: #1e88e5; /* Blue */
    color: #fff;
    padding: 15px 0;
    text-align: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 20px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #bbdefb;
}

section {
    padding: 100px 20px;
    min-height: 75vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    border-bottom: 1px solid #ddd;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

section:nth-of-type(odd) {
    background-color: #e3f2fd; /* Light blue */
}

section.fade-in {
    opacity: 1;
    transform: translateY(0);
}

.content {
    max-width: 800px;
    text-align: center;
}

h2 {
    color: #1e88e5; /* Blue */
    font-size: 3.5em;
    margin-bottom: 20px;
}

p {
    color: #666;
    font-size: 1.2em;
    margin-bottom: 20px;
}

button {
    background-color: #1e88e5; /* Blue */
    color: #fff;
    border: none;
    padding: 15px 30px;
    cursor: pointer;
    border-radius: 25px;
    font-size: 1em;
    transition: background-color 0.3s, transform 0.3s;
}

button:hover {
    background-color: #1565c0; /* Darker blue */
    transform: scale(1.05);
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #1e88e5; /* Blue */
    color: #fff;
    position: fixed;
    width: 100%;
    bottom: 0;
    box-shadow: 0 -4px 6px rgba(0, 0, 0, 0.1);
}

footer p {
    position: fixed;
    bottom: 10px;
    right: 10px;
    font-size: 0.8em;
    margin: 0;
    color: #fff;
}