@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;700&display=swap');

body {
    margin: 0;
    font-family: 'Vazirmatn', sans-serif;
    background-color: #f9f9f9;
}

.header {
    height: 100vh;
    background-size: cover;
    background-position: center;
    position: relative;
}

.overlay {
    background-color: rgba(0, 0, 0, 0.5);
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding: 10px;
}

.slogan {
    font-size: 3rem;
    margin-bottom: 10px;
}

.contact a {
    color: #ffcc00;
    text-decoration: none;
    font-size: 1.2rem;
}

.contact a:hover {
    text-decoration: underline;
}

/* ریسپانسیو */
@media (max-width: 768px) {
    .slogan {
        font-size: 2rem;
    }
    .contact a {
        font-size: 1rem;
    }
}