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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.7;
    color: #333;
    background-color: #f4f6f9;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

.hero{
position:relative;
background:linear-gradient(rgba(0,0,0,.6),rgba(0,0,0,.6)),
url('https://images.unsplash.com/photo-1551836022-d5d88e9218df');
background-size:cover;
background-position:center;
color:#fff;
text-align:center;
padding:300px 50px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.hero p {
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.btn-primary {
    display: inline-block;
    padding: 14px 28px;
    background: #ff6b00;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: 0.3s;
}

.btn-primary:hover {
    background: #e85d00;
}

.article {
    padding: 60px 0;
}

.article h2 {
    margin-bottom: 15px;
    color: #002b5c;
}

.article section {
    margin-bottom: 50px;
}

.article ul {
    margin-left: 20px;
}

.intro {
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.conclusion {
    background: #eef4ff;
    padding: 30px;
    border-left: 5px solid #004a99;
}

.cta-final {
    background: #002b5c;
    color: white;
    text-align: center;
    padding: 60px 0;
}

footer {
    background: #111;
    color: white;
    text-align: center;
    padding: 20px 0;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.8rem;
    }
}