* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
    color: #fff;
    font-size: 20px;
    overflow-x: hidden;
}

body {
    background-image: linear-gradient(to top, rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url(../img/transport.jpg);
}

.main {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    height: 100vh;
    width: 100%;
    margin: 0 auto;
}

.top {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    flex-basis: 100%;
    padding: 20px 10px;
}

.top-text {
    flex-basis: 100%;
    text-align: center;
    margin-bottom: 30px;
}

.top-call {
    padding: 20px 0;
}

.text {
    padding-bottom: 15px;
}

.top-text_h1 {
    font-weight: 800;
    font-size: 2.5rem;
}

.top-text_p {
    font-weight: 600;
    font-size: 1.75rem;
}

.top-call_link {
    background-color: #0E99E7;
    padding: 15px 30px;
    border: 0;
    border-radius: 44px;
    outline: none;
    cursor: pointer;
    text-decoration: none;
    font-size: 1.5rem;
}

.side {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 20px;
}

.side-img {
    display: flex;
    justify-content: center;
    flex-basis: 100%;
}

.side_p {
    flex-basis: 100%;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
}

.side_img, .side_p {
    display: none;
}

/* bottom ==================================== */

.bottom {
    flex-basis: 100%;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}


.bottom-about {
    text-align: center;
    flex-basis: 250px;
}

.bottom-about_h2 {
    font-size: 1.5rem;
    font-weight: 700;
    padding-bottom: 10px;
}

.bottom-about_p {
    font-size: 1rem;
    font-weight: 400;
}

.call {
    display: block;
    position: fixed;
    width: 68px;
    height: 68px;
    background-color: #fff;
    border: 2px solid #000;
    outline: none;
    border-radius: 50%;
    right: 20px;
    bottom: 15px;
    z-index: 13123;
    text-align: center;
}

.call_img {
    width: 30px;
    margin-top: 20px;
}

.call {
    transition: 0.5s;
}

.call:hover {
    transform: scale(1.2);
}


/* media=============================== */
@media screen and (max-width: 1280px) {
    * {
        font-size: 18px;
    }

    .bottom-about {
        flex-basis: 200px;
    }
}

@media screen and (max-width: 1000px) {
    * {
        font-size: 18px;
    }

    .bottom {
        justify-content: center;
        padding-top: 30px;
        background-position: center;
    }

    .bottom-about {
        flex-basis: 80%;
        padding-bottom: 20px;
    }
}

@media screen and (max-width: 820px) {
    body {
        background-image: none;
        background-color: #fff;
    }

    .top {
        background-image: linear-gradient(to top, rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url(../img/transport.jpg);
        background-position: center;
        background-size: cover;
    }

    .top-call_link {
        background-color: #000;
    }

    .top-text_h1 {
        font-size: 2rem;
    }

    .top-text_p {
        font-size: 1.5rem;
    }

    .bottom {
        background-image: linear-gradient(to top, rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url(../img/backg.jpg);
        background-size: cover;
    }

    .side_img,
    .side_p {
        display: block;
    }

    .side_p {
        color: #000;
    }
}

@media screen and (max-width: 658px) {
    .top-text {
        margin-bottom: 0;
    }

    .top-text_h1 {
        font-size: 1.5rem;
    }

    .top-text_p {
        font-size: 1.2rem;
    }

    .bottom-about_h2 {
        font-size: 1.3rem;
    }

    .bottom-about_p {
        font-size: 1rem;
    }

    .top-call_link {
        font-size: 1.2rem;
    }
}

@media screen and (max-width: 430px) {
    .top-call_link {
        padding: 10px 15px;
        font-size: 1.1rem;
    }
}

@media screen and (max-width: 350px) {
    .top-call_link {
        font-size: 0.95rem;
    }
}