body,
html {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    background: url('bg.jpg') no-repeat center center fixed;
    background-size: cover;
    color: #fff;
}

.container {
    background: rgba(0, 0, 0, 0.6);
    min-height: 100vh;
    padding: 0 40px;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
}

.navbar nav a {
    color: #ffffff;
    margin-left: 20px;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.navbar nav a:hover {
    color: #00e0ff;
}

.hero {
    text-align: center;
    margin: 60px 0 40px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 10px;
}

.hero p {
    font-size: 20px;
    color: #dcdcdc;
}

.modules {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    padding-bottom: 60px;
}

.card {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    backdrop-filter: blur(8px);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
}

.card h2 {
    color: #ffffff;
    font-size: 20px;
    margin-bottom: 8px;
}

.card p {
    color: #d0d0d0;
    font-size: 14px;
    margin-bottom: 12px;
}

.badge {
    background: #00e0ff;
    color: #000;
    padding: 6px 14px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 13px;
    display: inline-block;
}