/* فونت و طراحی بدنه */
body {
    font-family: 'Tahoma', 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background: url('https://via.placeholder.com/1920x1080/cccccc/ffffff?text=Background+Image') no-repeat center center fixed;
    background-size: cover;
    color: #333;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
}

/* طراحی کانتینر */
.container {
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    padding: 40px 60px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    max-width: 90%;
    width: 500px;
}

/* هدر */
h1 {
    font-size: 3em;
    margin-bottom: 30px;
    color: #007bff;
    letter-spacing: 2px;
    border-bottom: 3px solid #007bff;
    display: inline-block;
    padding-bottom: 10px;
}

/* لینک‌ها */
h3 {
    margin: 20px 0;
}

a {
    color: #555;
    text-decoration: none;
    font-size: 1.3em;
    transition: color 0.3s, transform 0.3s;
    display: inline-block;
    padding: 15px 30px;
    background-color: #f8f9fa;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 123, 255, 0.1);
    margin-bottom: 15px;
}

a:hover {
    color: #ffffff;
    background-color: #007bff;
    transform: scale(1.05) translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 123, 255, 0.3);
}

/* فوتر */
.footer {
    margin-top: 40px;
    font-size: 0.9em;
    color: #888;
    border-top: 1px solid #ddd;
    padding-top: 20px;
    margin-bottom: 0;
}