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

body {
    font-family: Arial, sans-serif;
    background-color: #f4f7fb;
    color: #1f2937;
    line-height: 1.6;
}

.hero {
    min-height: 100vh;
    background: linear-gradient(
        135deg,
        #0f172a,
        #1e3a8a
    );
    color: white;
    padding: 2rem 5%;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    letter-spacing: 1px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.nav-links a:hover {
    opacity: 0.7;
}

.hero-content {
    max-width: 700px;
    margin-top: 10rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #dbeafe;
}

.btn {
    display: inline-block;
    background-color: white;
    color: #1e3a8a;
    padding: 0.9rem 1.8rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 5rem 5%;
}

.card {
    background-color: white;
    padding: 2rem;
    border-radius: 14px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.card h2 {
    margin-bottom: 1rem;
    color: #1e3a8a;
}

footer {
    text-align: center;
    padding: 2rem;
    background-color: #0f172a;
    color: white;
}