.step-dot {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: #18181b;
    color: #52525b;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1rem;
    border: 2px solid #27272a;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 10;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
}

.step-dot.active {
    background: #22c55e;
    color: black;
    border-color: #22c55e;
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.4);
    transform: scale(1.1);
}

.step-dot.completed {
    background: #18181b;
    color: #22c55e;
    border-color: #22c55e;
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.1);
}

.option-disabled {
    opacity: 0.35;
    filter: grayscale(0.3);
    pointer-events: none;
}

.option-disabled .plan-card {
    border: 1px dashed #3f3f46;
    background: rgba(39, 39, 42, 0.4);
}