/* Main Speed Display */
.main-speed-section {
    margin-bottom: 20px;
}

.main-speed-display {
    margin: 30px 0 20px 0;
    position: relative;
    z-index: 1;
}

.speed-indicator {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 10px;
}

.speed-value-large {
    font-size: 7rem;
    font-weight: 700;
    color: #667eea;
    line-height: 1;
    transition: all 0.3s ease;
    text-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
}

    .speed-value-large.testing {
        animation: pulse 1.5s ease-in-out infinite;
    }

.speed-unit-large {
    font-size: 2.5rem;
    font-weight: 600;
    color: #a0aec0;
    margin-bottom: 20px;
}

.speed-label-main {
    font-size: 1.3rem;
    color: #4a5568;
    margin-top: 20px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Responsive Speed Display */
@media (max-width: 768px) {
    .speed-value-large {
        font-size: 5rem;
    }

    .speed-unit-large {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .speed-value-large {
        font-size: 4rem;
    }

    .speed-unit-large {
        font-size: 1.5rem;
    }

    .speed-label-main {
        font-size: 1rem;
    }
}