{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Arial, sans-serif;
}

body {
    background: #f4f6f9;
    color: #222;
}

.nav {
    background: #0f1b2e;
    padding: 15px 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav a {
    color: #ffffff;
    text-decoration: none;
    margin-left: 25px;
    font-size: 14px;
}

.nav a:hover {
    color: #00c3ff;
}

.hero {
    background: linear-gradient(135deg,#0f1b2e,#1e3a5f);
    color: white;
    padding: 120px 8%;
    text-align: center;
}

.section {
    padding: 80px 8%;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    margin-bottom: 25px;
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.footer {
    background: #0f1b2e;
    color: white;
    text-align: center;
    padding: 30px;
    margin-top: 50px;
}