/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    padding: 15px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1000;
}

.container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 90%;
    margin: 0 auto;
}

.nav { display: flex; gap: 20px; justify-content: flex-end; } .nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 15px;
    transition: color 0.3s;
}

.nav a:hover {
    color: #ab47bc;
}