:root {
    --primary-color: #0a7cff;
    --secondary-color: #f2f7ff;
    --text-color: #333;
    --background-color: #fff;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    font-family: var(--font-family);
    margin: 0;
    color: var(--text-color);
    background-color: var(--background-color);
}

header {
    background-color: var(--background-color);
    padding: 1rem 2rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.logo span {
    font-size: 1.5rem;
    font-weight: bold;
}

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

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: bold;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: var(--primary-color);
}

.hero {
    background-color: var(--secondary-color);
    padding: 4rem 2rem;
    text-align: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.features, .roles, .testimonials {
    padding: 4rem 2rem;
    text-align: center;
}

.feature-grid, .role-grid, .testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature, .role, .testimonial {
    background-color: var(--background-color);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover, .role:hover, .testimonial:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.feature img {
    height: 50px;
    margin-bottom: 1rem;
}

footer {
    background-color: var(--text-color);
    color: var(--background-color);
    text-align: center;
    padding: 1rem;
}

@media (max-width: 768px) {
    nav ul {
        display: none;
    }

    .hero-content h1 {
        font-size: 2rem;
    }
}