body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    direction: rtl;
    background-color: #f5f5f5;
    padding-top: 110px;
    flex-direction: column !important;
}

header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    margin-bottom: 50px;
    width: 100%;
    background: linear-gradient(to right, #a8d8ff, #e2e2e2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px 50px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

nav {
    flex: 1;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
    margin: 0;
    padding: 0;
}

nav ul li a {
    text-decoration: none;
    color: #444;
    font-weight: 500;
    font-size: 17px;
    position: relative;
    transition: color 0.3s ease;
}

nav ul li a::after {
    content: "";
    position: absolute;
    width: 0;
    height: 2px;
    background-color: #444;
    bottom: -5px;
    right: 0;
    transition: width 0.3s ease;
}

nav ul li a:hover {
    color: #000;
}

nav ul li a:hover::after {
    width: 100%;
}

.logo {
    position: absolute;
    right: 50%;
    transform: translateX(50%);
    font-size: 36px;
    font-weight: bold;
    color: #2c3e50;
    letter-spacing: 1px;
}