.main_benefits {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    align-items: start;
}

.main_benefit {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem;
    transition: transform 0.3s ease;
}

.main_benefit:hover {
    transform: translateY(-3px);
}

.img_benefit {
    width: 70px;
    height: 70px;
    object-fit: contain;
    margin-bottom: 0.75rem;
    filter: brightness(1.1);
}

.ben_font {
    font-size: 1rem;
    line-height: 1.3;
    margin: 0;
    color: #333;
    font-weight: 500;
}

/* Медиа-запросы для адаптивности */
@media (max-width: 1200px) {
    .main_benefits {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
        padding: 1.5rem;
    }

    .img_benefit {
        width: 65px;
        height: 65px;
    }
}

@media (max-width: 768px) {
    .main_benefits {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        padding: 1rem;
    }

    .main_benefit {
        padding: 0.75rem;
    }

    .img_benefit {
        width: 55px;
        height: 55px;
        margin-bottom: 0.5rem;
    }

    .ben_font {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .main_benefits {
        grid-template-columns: 1fr;
        gap: 0.75rem;
        padding: 0.75rem;
    }

    .main_benefit {
        padding: 1rem;
        flex-direction: row;
        text-align: left;
        gap: 1rem;
    }

    .img_benefit {
        width: 45px;
        height: 45px;
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .ben_font {
        font-size: 0.9rem;
    }
}

/* Для очень больших экранов */
@media (min-width: 1600px) {
    .main_benefits {
        max-width: 1600px;
        gap: 2rem;
        padding: 3rem;
    }

    .img_benefit {
        width: 80px;
        height: 80px;
    }

    .ben_font {
        font-size: 1.1rem;
    }
}

.features {
    width: 100%;
    margin: 30px 0px 10px;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
}

.pageup-button {
    --size: 44px;
    width: var(--size);
    height: var(--size);
    position: fixed;
    left: 5%;
    bottom: 5%;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    line-height: 1;
    padding: 4px;
    z-index: 100;
    border: 2px solid #3249c6;
    background-color: #FFFFFF;
}

.pageup-button__icon {
    margin-bottom: 2px;
}

.callback-bt {
    background: #38a3fd;
    border: 2px solid #38a3fd;
    border-radius: 50%;
    box-shadow: 0 8px 10px rgba(56, 163, 253, 0.3);
    cursor: pointer;
    height: 68px;
    text-align: center;
    width: 68px;
    position: fixed;
    right: 5%;
    bottom: 5%;
    z-index: 9999;
    transition: .3s;
    -webkit-animation: hoverWave linear 1s infinite;
    animation: hoverWave linear 1s infinite;
}

.callback-bt .text-call {
    height: 68px;
    width: 68px;
    padding-top: 15px;
    border-radius: 50%;
    position: relative;
    overflow: hidden;
}

.callback-bt .text-call span {
    text-align: center;
    color: #38a3fd;
    opacity: 0;
    font-size: 0;
    position: absolute;
    right: 4px;
    top: 22px;
    line-height: 14px;
    font-weight: 600;
    text-transform: uppercase;
    transition: opacity .3s linear;
    font-family: 'montserrat', Arial, Helvetica, sans-serif;
}

.callback-bt svg {
    color: #fff;
    font-size: 34px;
    transition: .3s;
    line-height: 66px;
    transition: .5s ease-in-out;
}

.callback-bt svg {
    animation: 1200ms ease 0s normal none 1 running shake;
    animation-iteration-count: infinite;
    -webkit-animation: 1200ms ease 0s normal none 1 running shake;
    -webkit-animation-iteration-count: infinite;
}

@-webkit-keyframes hoverWave {
    0% {
        box-shadow: 0 8px 10px rgba(56, 163, 253, 0.3), 0 0 0 0 rgba(56, 163, 253, 0.2), 0 0 0 0 rgba(56, 163, 253, 0.2)
    }

    40% {
        box-shadow: 0 8px 10px rgba(56, 163, 253, 0.3), 0 0 0 15px rgba(56, 163, 253, 0.2), 0 0 0 0 rgba(56, 163, 253, 0.2)
    }

    80% {
        box-shadow: 0 8px 10px rgba(56, 163, 253, 0.3), 0 0 0 30px rgba(56, 163, 253, 0), 0 0 0 26.7px rgba(56, 163, 253, 0.067)
    }

    100% {
        box-shadow: 0 8px 10px rgba(56, 163, 253, 0.3), 0 0 0 30px rgba(56, 163, 253, 0), 0 0 0 40px rgba(56, 163, 253, 0.0)
    }
}

@keyframes hoverWave {
    0% {
        box-shadow: 0 8px 10px rgba(56, 163, 253, 0.3), 0 0 0 0 rgba(56, 163, 253, 0.2), 0 0 0 0 rgba(56, 163, 253, 0.2)
    }

    40% {
        box-shadow: 0 8px 10px rgba(56, 163, 253, 0.3), 0 0 0 15px rgba(56, 163, 253, 0.2), 0 0 0 0 rgba(56, 163, 253, 0.2)
    }

    80% {
        box-shadow: 0 8px 10px rgba(56, 163, 253, 0.3), 0 0 0 30px rgba(56, 163, 253, 0), 0 0 0 26.7px rgba(56, 163, 253, 0.067)
    }

    100% {
        box-shadow: 0 8px 10px rgba(56, 163, 253, 0.3), 0 0 0 30px rgba(56, 163, 253, 0), 0 0 0 40px rgba(56, 163, 253, 0.0)
    }
}

@keyframes shake {
    0% {
        transform: rotateZ(0deg);
        -ms-transform: rotateZ(0deg);
        -webkit-transform: rotateZ(0deg);
    }

    10% {
        transform: rotateZ(-30deg);
        -ms-transform: rotateZ(-30deg);
        -webkit-transform: rotateZ(-30deg);
    }

    20% {
        transform: rotateZ(15deg);
        -ms-transform: rotateZ(15deg);
        -webkit-transform: rotateZ(15deg);
    }

    30% {
        transform: rotateZ(-10deg);
        -ms-transform: rotateZ(-10deg);
        -webkit-transform: rotateZ(-10deg);
    }

    40% {
        transform: rotateZ(7.5deg);
        -ms-transform: rotateZ(7.5deg);
        -webkit-transform: rotateZ(7.5deg);
    }

    50% {
        transform: rotateZ(-6deg);
        -ms-transform: rotateZ(-6deg);
        -webkit-transform: rotateZ(-6deg);
    }

    60% {
        transform: rotateZ(5deg);
        -ms-transform: rotateZ(5deg);
        -webkit-transform: rotateZ(5deg);
    }

    70% {
        transform: rotateZ(-4.28571deg);
        -ms-transform: rotateZ(-4.28571deg);
        -webkit-transform: rotateZ(-4.28571deg);
    }

    80% {
        transform: rotateZ(3.75deg);
        -ms-transform: rotateZ(3.75deg);
        -webkit-transform: rotateZ(3.75deg);
    }

    90% {
        transform: rotateZ(-3.33333deg);
        -ms-transform: rotateZ(-3.33333deg);
        -webkit-transform: rotateZ(-3.33333deg);
    }

    100% {
        transform: rotateZ(0deg);
        -ms-transform: rotateZ(0deg);
        -webkit-transform: rotateZ(0deg);
    }
}

@-webkit-keyframes shake {
    0% {
        transform: rotateZ(0deg);
        -ms-transform: rotateZ(0deg);
        -webkit-transform: rotateZ(0deg);
    }

    10% {
        transform: rotateZ(-30deg);
        -ms-transform: rotateZ(-30deg);
        -webkit-transform: rotateZ(-30deg);
    }

    20% {
        transform: rotateZ(15deg);
        -ms-transform: rotateZ(15deg);
        -webkit-transform: rotateZ(15deg);
    }

    30% {
        transform: rotateZ(-10deg);
        -ms-transform: rotateZ(-10deg);
        -webkit-transform: rotateZ(-10deg);
    }

    40% {
        transform: rotateZ(7.5deg);
        -ms-transform: rotateZ(7.5deg);
        -webkit-transform: rotateZ(7.5deg);
    }

    50% {
        transform: rotateZ(-6deg);
        -ms-transform: rotateZ(-6deg);
        -webkit-transform: rotateZ(-6deg);
    }

    60% {
        transform: rotateZ(5deg);
        -ms-transform: rotateZ(5deg);
        -webkit-transform: rotateZ(5deg);
    }

    70% {
        transform: rotateZ(-4.28571deg);
        -ms-transform: rotateZ(-4.28571deg);
        -webkit-transform: rotateZ(-4.28571deg);
    }

    80% {
        transform: rotateZ(3.75deg);
        -ms-transform: rotateZ(3.75deg);
        -webkit-transform: rotateZ(3.75deg);
    }

    90% {
        transform: rotateZ(-3.33333deg);
        -ms-transform: rotateZ(-3.33333deg);
        -webkit-transform: rotateZ(-3.33333deg);
    }

    100% {
        transform: rotateZ(0deg);
        -ms-transform: rotateZ(0deg);
        -webkit-transform: rotateZ(0deg);
    }
}