html, body {
    height: 100%;
    color: #f5f6fb;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
    background: linear-gradient(135deg, #9a9adf, #3a3a6f);
    overflow: hidden;
}

/* HEADER */
.header-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    z-index: 1000;
    pointer-events: none;
}

.navbar {
    max-width: 720px;
    width: 100%;
    background: rgba(0,0,0,0.35);
    backdrop-filter: blur(8px);
    border-radius: 0 0 12px 12px;
    pointer-events: auto;
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: 1.2px;
}

.navbar-nav .nav-link {
    color: #dfe3ff;
}