#promotion_intro {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.arrow {
    width: 100px;
    height: 70px;
    clip-path: polygon(0 0, 70% 0, 100% 50%, 70% 100%, 0 100%, 30% 50%);
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.3rem;
    margin: 0 10px;
    transform: rotate(0deg);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.arrow-1 {
    background: rgba(60, 179, 113, 0.1);
    border-color: rgba(60, 179, 113, 0.2);
}

.arrow-2 {
    background: rgba(60, 179, 113, 0.2);
    border-color: rgba(60, 179, 113, 0.3);
}

.arrow-3 {
    background: rgba(60, 179, 113, 0.3);
    border-color: rgba(60, 179, 113, 0.4);
}

.arrow-4 {
    background: rgba(60, 179, 113, 0.4);
    border-color: rgba(60, 179, 113, 0.5);
}

.arrow-5 {
    background: rgba(60, 179, 113, 0.5);
    border-color: rgba(60, 179, 113, 0.6);
}

.arrow.active {
    background: #3cb371;
    color: #ffffff;
    box-shadow: 0 0 20px rgba(60, 179, 113, 0.5);
    border-color: #3cb371;
    z-index: 2;
    transform: scale(1.1);
}

.step-content {
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    margin-top: 5px;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
}

.icon {
    color: #ffffff;
    font-size: 1.6rem;
    margin-bottom: 5px;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.referral-icon {
    font-size: 2rem;
    color: #3cb371;
    text-shadow: 0 0 15px rgba(60, 179, 113, 0.5);
}

@media (max-width: 768px) {
    #promotion_intro {
        flex-direction: column;
    }

    .arrow {
        transform: rotate(90deg);
        margin: 10px 0;
    }

    .presentation_group > .col-12 {
        margin-bottom: 15px;
    }
}