.technical-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.05;
}

.technical-bg::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80vh;
    height: 80vh;
    border: 1px solid #ffffff;
    border-radius: 50%;
    transform: translate(-60%, -40%);
}

.technical-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(0deg, transparent 49%, #ffffff 50%, transparent 51%),
        linear-gradient(90deg, transparent 49%, #ffffff 50%, transparent 51%);
    background-size: 40px 40px;
    background-position: 20px 20px;
    mask: radial-gradient(circle, transparent 30%, black 32%);
}

.reg-marks {
    position: fixed;
    z-index: 1;
    opacity: 0.3;
}

.reg-mark {
    position: absolute;
    width: 12px;
    height: 12px;
}

.reg-mark::before,
.reg-mark::after {
    content: '';
    position: absolute;
    background: #ffffff;
}

.reg-mark::before {
    width: 100%;
    height: 1px;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

.reg-mark::after {
    width: 1px;
    height: 100%;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.reg-mark.top-left { top: 20px; left: 20px; }
.reg-mark.top-right { top: 20px; right: 20px; }
.reg-mark.bottom-left { bottom: 20px; left: 20px; }
.reg-mark.bottom-right { bottom: 20px; right: 20px; }

#rotating-word {
    color: var(--primary);
    transition: opacity 0.3s ease;
    display: inline;
}