/* 1. THE TOP MARK (FIXED) */
.top-mark {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 40px; /* DEFINED HEIGHT */
    text-align: center;
    font-size: 2rem;
    color: var(--acid);
    background: var(--void);
    border-bottom: 2px solid var(--pink);
    z-index: 10000; /* THE ABSOLUTE TOP */
    display: flex;
    justify-content: center;
    align-items: center;
    letter-spacing: 10px;
}

/* 2. THE NAV BAR (STICKY WITH OFFSET) */
.nav-bar {
    position: sticky;
    top: 40px; /* STICK BELOW THE TOP MARK */
    z-index: 9000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--void);
    border-bottom: 2px dashed var(--acid);
    padding: 10px 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.8);
}

/* 3. THE CABINET CONTAINER (THE AIR GAP) */
.cabinet-container {
    max-width: 900px;
    margin: 200px auto 100px; /* MASSIVE 200PX GAP */
    position: relative;
    padding: 20px;
    z-index: 5;
}