.header {
        background: #1a1a1a;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        padding: 16px 0;
        position: sticky;
        top: 0;
        z-index: 100;
    }

    .header-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 20px;
    }

    .logo-img {
        height: 44px;
        width: auto;
    }