header {
    position: sticky;
    top: 0;
    background-color: rgba(5, 8, 12, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 20px;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.5);
}

header, #header, .main-header {
    position: fixed !important;
    left: 0 !important;
    width: 100% !important;
    z-index: 1000 !important;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

#main-timeline {
    margin-top: 200px;
}

.acronym {
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 10px rgba(76, 194, 255, 0.3);
    background: linear-gradient(135deg, #fff 0%, var(--ms-visio-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.full-name {
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 500;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 15px !important;
    position: relative;
    min-height: 160vh;
}

