.connection-scheme {
        padding: 80px 0;
        position: relative;
        overflow: hidden;
    }

    .scheme-container {
        max-width: 1440px;
        margin: 0 auto;
        display: grid;
        grid-template-columns: 1fr auto 1fr;
        gap: 40px;
        align-items: center;
    }

    .center-device {
        position: relative;
        width: 400px;
        height: 400px;
        background: rgba(31, 165, 253, 0.05);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        animation: pulse 2s infinite ease-in-out;
    }

    .center-device img {
        width: 60%;
        height: auto;
    }

    .connections-left, 
    .connections-right {
        display: flex;
        flex-direction: column;
        gap: 40px;
    }

    .connections-left {
        align-items: flex-end;
    }

    .connections-right {
        align-items: flex-start;
    }

    .connection-item {
        width: 280px;
        padding: 25px;
        background: rgba(31, 165, 253, 0.05);
        border: 1px solid rgba(31, 165, 253, 0.1);
        border-radius: 16px;
        position: relative;
        transition: all 0.3s ease;
    }

    .connection-item:hover {
        transform: translateY(-5px);
        background: rgba(31, 165, 253, 0.1);
        border-color: rgba(31, 165, 253, 0.2);
        box-shadow: 0 10px 20px rgba(31, 165, 253, 0.1);
    }

    .connection-item::before {
        content: '';
        position: absolute;
        width: 40px;
        height: 2px;
        background: linear-gradient(90deg, rgba(31, 165, 253, 0.2), rgba(13, 202, 240, 0.2));
    }

    .connections-left .connection-item::before {
        right: -40px;
        top: 50%;
    }

    .connections-right .connection-item::before {
        left: -40px;
        top: 50%;
    }

    .connection-icon {
        font-size: 2rem;
        color: #1fa5fd;
        margin-bottom: 15px;
    }

    .connection-title {
        font-size: 1.25rem;
        font-weight: 600;
        color: #fff;
        margin: 0;
    }

    @keyframes pulse {
        0% { box-shadow: 0 0 0 0 rgba(31, 165, 253, 0.4); }
        70% { box-shadow: 0 0 0 20px rgba(31, 165, 253, 0); }
        100% { box-shadow: 0 0 0 0 rgba(31, 165, 253, 0); }
    }

    @media (max-width: 1200px) {
        .scheme-container {
            grid-template-columns: 1fr;
            justify-items: center;
        }

        .connections-left, 
        .connections-right {
            align-items: center;
        }

        .connection-item::before {
            display: none;
        }
    }
    .principles-section {
    padding: 60px 0;
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 0px;
}

.principle-card {
    background: rgba(31, 165, 253, 0.05);
    border: 1px solid rgba(31, 165, 253, 0.1);
    border-radius: 24px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.principle-card:hover {
    transform: translateY(-5px);
    background: rgba(31, 165, 253, 0.1);
    border-color: rgba(31, 165, 253, 0.2);
    box-shadow: 0 10px 20px rgba(31, 165, 253, 0.1);
}

.principle-icon {
    width: 80px;
    height: 80px;
    background: rgba(31, 165, 253, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.principle-icon i {
    font-size: 32px;
    color: #1fa5fd;
    transition: transform 0.3s ease;
}

.principle-card:hover .principle-icon {
    background: rgba(31, 165, 253, 0.2);
}

.principle-card:hover .principle-icon i {
    transform: scale(1.1);
}

.principle-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 15px;
    color: #fff;
}

.principle-card p {
    font-size: 1.1rem;
    color: #c1d1e9;
    margin: 0;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .principles-section {
        padding: 60px 0;
    }

    .principles-title {
        font-size: 2rem;
        margin-bottom: 40px;
    }

    .principle-card {
        padding: 25px;
    }

    .principle-icon {
        width: 60px;
        height: 60px;
    }

    .principle-icon i {
        font-size: 24px;
    }

    .principle-card h3 {
        font-size: 1.25rem;
    }

    .principle-card p {
        font-size: 1rem;
    }
}