/* General Styles */
body {
    font-family: 'Roboto', Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    height: 100vh;
    background: linear-gradient(to bottom, #f4f7fc, #e8edf3);
    color: #333;
    transition: background-color 0.5s, color 0.5s;
}

/* Header Styles */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    padding: 20px;
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    z-index: 1000;
}

header h1 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
    color: #0077b5; /* Professional blue */
}

header button {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    transition: transform 0.3s ease;
    padding: 10px 15px;
    background-color: #0077b5;
    color: white;
    border-radius: 5px;
    box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.2);
}

header button:hover {
    transform: scale(1.1);
    background-color: #005580; /* Darker blue on hover */
}

/* Hero Section */
main {
    margin-top: 100px; /* Adjust to avoid overlap with the header */
    width: 100%;
    text-align: center;
}

.hero {
    padding: 20px;
}

.hero p {
    font-size: 1.2rem;
    font-weight: 300;
    color: #555;
}

.hero .cta {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    background-color: #0077b5;
    color: #ffffff;
    border-radius: 5px;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.hero .cta:hover {
    background-color: #005580;
}

/* Dark Mode Styles */
body.dark-mode {
    background-color: #1a1a1a; /* Dark background */
    color: #e0e0e0; /* Light text */
}

body.dark-mode header {
    background-color: #333333;
}

body.dark-mode a {
    color: #4da6ff;
}