.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 500;
    transition: background 0.3s ease, box-shadow 0.3s ease;
    background: transparent;
    backdrop-filter: blur(6px);
}

.site-header.scrolled {
    background: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 45px;
    width: auto;
}

.logo a {
    text-decoration: none;
    color: #111;
}