body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: #f5f7fa;
    color: #222;
}

h1, h2, h3 {
    margin-bottom: 10px;
}

section {
    padding: 60px 40px;
}

.hero {
    background: linear-gradient(to right, #0f2027, #203a43, #2c5364);
    color: white;
    text-align: center;
}

.container {
    max-width: 1200px;
    margin: auto;
}

.card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

button {
    background: #0f2027;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background: #203a43;
}

form input, form select, form textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

footer {
    background: #111;
    color: white;
}