* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    color: #333;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

nav ul li {
    margin-left: 1rem;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

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

main {
    flex: 1;
    padding: 2rem;
}

.section {
    margin-bottom: 2rem;
}

.section h2 {
    border-bottom: 2px solid #2c3e50;
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.home-content, .employee-content, .hr-content {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.home-content > div, .employee-content > div, .hr-content > div {
    flex: 1 1 calc(33% - 2rem);
    background-color: #ecf0f1;
    padding: 1rem;
    border-radius: 8px;
}

.home-content h3, .employee-content h3, .hr-content h3 {
    margin-top: 0;
}

.quick-links ul {
    padding-left: 1rem;
}

footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 1rem 0;
    margin-top: auto;
}