.header-5-top { background-color: var(--secondary-50); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); transition: background-color 0.25s ease;}.header-5-bot { background-color: var(--secondary-30); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); transition: background-color 0.25s ease, box-shadow 0.25s ease;}.brx-body.scrolling .header-5-top { background-color: var(--secondary-80);}.brx-body.scrolling .header-5-bot { background-color: var(--secondary-60); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);}