body {
    font-family: "Roboto", "Arial",  sans-serif;
}

.header {
    display: flex;
    align-items: center;
    padding: 0 20px;
    justify-content: space-between;
    box-shadow: 0px 2px 5px 0px rgba(0, 0, 0, 0.25);
}

.header__logo__image {
    height: 90px;
}

.header__button,
.header__mobile-button,
.chat,
.chat__button {
    width: 293px;
    height: 60px;
    display: flex;
    align-items: center;
    border: #0B2D59 solid 3px;
    border-radius: 7px;
    color: #0B2D59;
    font-size: 16px;
    text-decoration: none;
    background-color: white;
}

.header__mobile-button,
.chat {
    width: 60px;
    background-color: #0B2D59;
}

.header__mobile-button,
.chat {
    display: none;
}

.chat{
    position: fixed;
    right: 20px;
    bottom: 20px;
    box-shadow: 0px 5px 15px rgb(0 0 0 / 25%);
    transition: all .5s ease;
    justify-content: center;
    z-index: 9999;
}

.header__mobile-button__img,
.chat__img {
    margin: auto;
}

.chat:first-of-type {
    outline: none !important;
}

.chat__text {
    position: absolute;
    font-size: 24px;
    top: 12px;
    font-weight: bold;
    display: none;
}

.chat:hover {
    cursor: pointer;
}

.chat:hover .chat__text {
    display: block;
}


.header__button:hover {
    background-color: #0B2D59;
    color: #FFFF;
    transition: .5s ease-in;
    cursor: pointer !important;
}

.header__button:focus {
    outline: none;
}

.header__mobile-button:hover {
    box-shadow: 0px 0px 15px 5px rgb(0 0 0 / 25%);
    transition: .3s ease-out;
}

.header__mobile-button:focus {
    outline: none !important;
}

.header__button__text {
    display: block;
    margin: auto;
    text-transform: uppercase;
}



.header__lang {
    position: absolute;
    right: 350px;
    text-transform: uppercase;
    font-size: 18px;
    border: 0;
    color: #0B2D59;
}

  .slider {
    margin: 0 auto;
  }
  
  .slide_viewer {
    height: 500px;
    overflow: hidden;
    position: relative;
    /*background-image: url('assets/img/bg.png');
    background-repeat: no-repeat;
    background-position-x: center;
    background-size: auto;*/
  }
  
  .slide_group {
    height: 100%;
    position: relative;
    max-width: 1024px;
    margin: auto;
  }
  
  .slide-content {
    display: flex;
}

  .slide {
    width: 100%;
    display: none;
    height: 100%;
    position: absolute;
    max-width: 1024px;
  }
  
  .slide:first-child {
    display: flex;
    /*background-color: #FFFFFF;*/
  }
  
  .slide_buttons {
    padding-left: 38px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    left: 0;
    position: absolute;
    right: 0;
    text-align: center;
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.15);
  }
  
  a.slide_btn {
    -webkit-transition: all 0.4s ease-in-out;
    -moz-transition: all 0.4s ease-in-out;
    -ms-transition: all 0.4s ease-in-out;
    -o-transition: all 0.4s ease-in-out;
    transition: all 0.4s ease-in-out;
    position: relative;
  }

  a.slide_btn:nth-of-type(2) {
      right: 7px;
  }

  a.slide_btn:nth-of-type(3) {
    right: 14px;
    }

    a.slide_btn:nth-of-type(4) {
        right: 21px;
    }
  
    a.slide_btn:nth-of-type(5) {
        right: 28px;
    }

    a.slide_btn:nth-of-type(6) {
        right: 35px;
    }

  .slide_btn.active .fillme{
    fill: #0B2D59;
    cursor: pointer;
    transition: all .8s ease;
  }

  .slide_btn:hover .fillme{
    fill: #0B2D59;
    opacity: 0.8;
    cursor: pointer;
    transition: all 0.8s ease;
  }

  
  .directional_nav {
    height: 100px;
    margin: 0 auto;
    max-width: 100%;
    position: relative;
    top: -300px;
  }
  
  .previous_btn {
    bottom: 52px;
    left: 0px;
    margin: auto;
    position: absolute;
    top: 0;
  }
  
  .next_btn {
    bottom: 0;
    margin: auto;
    position: absolute;
    right: 0px;
    top: 0;
  }
  
  .previous_btn, .next_btn {
    cursor: pointer;
    height: 65px;
  }
  
  .previous_btn:hover .fillme,
  .next_btn:hover .fillme{
    fill: #0B2D59;
    transition: fill 0.8s ease;
  }
  
.h1 {
    font-size: 64px;
    color: #0B2D59;
    text-transform: uppercase;
    display: block;
    text-shadow: 0 3px 5px rgb(0 0 0 / 25%);
}

.h2 {
    font-size: 24px;
    text-transform: uppercase;
    display: block;
    line-height: 1.2em;
}

.slide-contect__section__button {
    font-size: 16px;
    text-transform: uppercase;
    text-decoration: none;
    background-color: #D9401E;
    width: 200px;
    height: 70px;
    display: flex;
    flex-flow: column;
    justify-content: center;
    text-align: center;
    border-radius: 50px;
    color: #FFFFFF;
    box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.25);
    margin-top: 100px;
    border: none !important;
    align-items: center !important;
}

.slide-contect__section__button:hover {
    background-color: #0B2D59 !important;
    transition: all 0.4s ease-out !important;
    text-decoration: none !important;
    color: #FFFFFF !important;
    cursor: pointer !important;
}

.slide-contect__section__button:focus {
    outline: none;
}

.slide-content__section {
    margin: 0 20px;
    display: flex;
    flex-direction: column;
}

.slide-content__section__left {
    align-self: center;
    max-width: 512px;
    flex-grow: 1;
    align-items: center;
}

.slide-content__section__left__img {
    width: min-content;
}

.slide-content__section__right {
    justify-content: space-between;
    padding: 40px;
    max-width: 512px;
}

.slide-content__section__right__separator,
.advantage__text__separator {
    display: block;
    width: 125px;
    height: 3px;
    background-color: #0B2D59;
    box-shadow: 0px 5px 15px rgb(0 0 0 / 50%);
}

.slide-content__section__right__separator__orange {
    margin-top: 40px;
    background-color: #D9401E;
}

.slide-content__description__section__right {
    padding: 0;
    justify-content: center;
}

.slide-content__description {
    padding-top: 80px;
}

.numbers-block__section {
    width: 228px;
}

.numbers-block,
.users-block {
    display: flex;
    justify-content: space-evenly;
    margin: auto;
    max-width: 1024px;
    text-align: center;
    padding: 50px;
}

.ach-prenumber,
.ach-number {
    font-size: 48px;
    color: #0B2D59;
    transition: .5s;
}

.numbers-block__section:hover {
    cursor: pointer;
}

.numbers-block__section:hover .ach-number {
    color: #D9401E;
}

.ach-note {
    margin-top: 1em;
    font-size: 16px;
    max-width: 235px;
}

.users-header,
.feedback-header,
.engeneering-header {
    display: flex;
    max-width: 1024px;
    margin: auto;
    text-transform: uppercase;
    color: #0B2D59;
    font-size: 24px;
    text-align: center;
}

.engeneering-header{
    margin-top: 20px;
}

.users-header h3,
.feedback-header h3,
.request__h3,
.engeneering-header h3 {
    margin: auto;
    text-shadow: 0px 5px 15px rgba(0, 0, 0, 0.25);
}

.request__h3 {
    text-transform: uppercase;
    color: #0B2D59;
    font-size: 24px;
    text-align: center;
    margin: 20px auto 50px auto;
}

.users-block__section__username {
    font-size: 18px;
    text-transform: uppercase;
    color: #D9401E;
}

.users-block__section__description {
    margin-top: 1em;
}

.feedback {
    max-width: 1024px;
    box-shadow: 0px 0px 15px 3px rgb(0 0 0 / 25%);
    margin: auto;
    padding: 50px 0;
    margin-top: 50px;
}

.feedback__wrapper__slider__slides {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.feedback__wrapper__slider__slides__text {
    max-width: 70%;
    line-height: 1.5em;
}

.feedback__wrapper__slider__slides__text__sign {
    display: block;
    text-align: end;
    padding: 1em 0 0 0;
}

/*начало слайдера отзывы*/
.feedback__wrapper {
	height: 220px;
	width: 100%;
    margin: 30px auto;
	position: relative;
	
}

.feedback__wrapper__slider {
	height: inherit;
	overflow: hidden;
	position: relative;
	width: inherit;
}

.feedback__wrapper__slider__slides {
	height: inherit;
	opacity: 0;
	position: absolute;
	width: inherit;
	z-index: 0;
	transform: scale(1.1);
	transition: transform ease-in-out .5s, opacity ease-in-out .5s;
}

#slide1:checked ~ .feedback__wrapper__slider > .slide1,
#slide2:checked ~ .feedback__wrapper__slider > .slide2,
#slide3:checked ~ .feedback__wrapper__slider > .slide3,
#slide4:checked ~ .feedback__wrapper__slider > .slide4,
#slide5:checked ~ .feedback__wrapper__slider > .slide5 {
	opacity: 1;
	z-index: 1;
	transform: scale(1);
}

.feedback__wrapper > input {
	display: none;
}

.feedback__wrapper .feedback__wrapper__slider__controls {
	left: 50%;
	margin-left: -104px;
	position: absolute;
}

.feedback__wrapper label {
	cursor: pointer;
	display: inline-block;
	height: 12px;
	margin: 25px 12px 0 16px;
	position: relative;
	width: 12px;
	border-radius: 50%;
	transition: background ease-in-out .5s;
    background-color: #0B2D59;
}

.feedback__wrapper label:after {
	content: " ";
	display: block;
	height: 12px;
	left: -4px;
	position: absolute;
	top: -4px;
	width: 12px;
	border-radius: 50%;
}

.feedback__wrapper label:hover, 
#slide1:checked ~ .feedback__wrapper__slider__controls label:nth-of-type(1),
#slide2:checked ~ .feedback__wrapper__slider__controls label:nth-of-type(2),
#slide3:checked ~ .feedback__wrapper__slider__controls label:nth-of-type(3),
#slide4:checked ~ .feedback__wrapper__slider__controls label:nth-of-type(4),
#slide5:checked ~ .feedback__wrapper__slider__controls label:nth-of-type(5){
	background-color: #D9401E;
}
/*конец слайдера*/

.footer {
    margin-top: 30px;
    box-shadow: 0px -2px 5px 0px rgb(0 0 0 / 25%);
}

.footer__wrapper {
    display: flex;
    max-width: 1024px;
    margin: auto;
}

.footer__wrapper__item {
    flex-grow: 1;
    margin: 20px 0;
    width: -webkit-fill-available;
}

.footer__wrapper__item__name__line {
    line-height: 1.5em;
}

.footer__wrapper__item__name__line:nth-of-type(1) {
    padding-top: 1em;
}

.footer__wrapper__item__link {
    color: black;
    text-decoration: none;
}

.footer__wrapper__item__link:hover {
    text-decoration: none;
    color: #D9401E;
}

.footer__wrapper__item__name__styled {
    list-style: disc;
}

.footer__copyright {
    display: block;
    text-align: center;
    padding-bottom: 20px;
}

.advantages-wrapper {
    margin-top: 50px;
}

.engeneering-wrapper {
    max-width: 1024px;
    margin: 30px auto;
}

.engeneering-wrapper-text {
    text-align: center;
    margin-bottom: 30px;
    font-size: 1em;
    padding: 0 20px;
    line-height: 1.5em;
}

.advantage,
.engeneering {
    display: grid;
    max-width: 1024px;
    margin: 0 auto 100px auto;
    grid-template-columns: 1fr 1fr;
}

.advantage__text {
    padding: 0 20px;
}

.advantage__text__h3 {
    font-size: 18px;
    text-transform: uppercase;
    color: #0B2D59;
    text-shadow: 0px 5px 15px rgba(0, 0, 0, 0.35);
}

.advantage__text__separator {
    background-color: #D9401E;
    margin: 20px 0 30px 0;
}

.advantage__text__info {
    line-height: 1.5em;
}

.advantage__pics__img,
.engeneering__pics__img {
    transition: all .5s ease;
}

.advantage__pics:hover,
.engeneering__pics:hover {
    cursor: pointer;
}

.engeneering__pics:hover .engeneering__pics__img,
.advantage__pics:hover .advantage__pics__img {
    filter: brightness(0.7);
}

.modal-dialog {
    max-width: fit-content;
}
.question-form__close {
    align-self: flex-end;
    padding-right: 5px !important;
    padding-bottom: 20px !important;
}

.question-form__close:focus {
    outline: none;
}

.question-form {
    /*display: none;*/
    display: flex;
    margin: auto;
    flex-flow: column;
    width: 300px;
    height: 450px;
    justify-content: center;
    box-shadow: 0px 0px 10px 5px rgba(0, 0, 0, 0.25);
}

.question-form__input,
.request-form__input {
    width: 250px !important;
    height: 30px !important;
    border: 1px solid #0B2D59 !important;
    border-radius: 7px !important;
    margin: 0 auto 20px auto !important;
    font-size: 16px !important;
    font-family: 'Roboto', Arial, sans-serif !important;
    padding: 5px !important;
    box-sizing: content-box !important;
}

.request-form__input {
    width: 215px !important;
}

.request-form__input__wide {
    width: 495px !important;
}

.question-form__input:focus-visible, 
.request-form__input__wide:focus,
.request-form__input:focus {
    outline: none;
}

.question-form__textarea {
    height: 120px !important;
    resize: none !important;
}

.question-form__button {
    height: 40px !important;
    color: #FFFFFF !important;
    font-size: 16px !important;
    text-transform: uppercase !important;
    background-color: #0B2D59 !important;
    box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.25);
}

.question-form__button:hover{
    background-color: #d9401e !important;
    border: 1px solid #d9401e !important;
    cursor: pointer !important;
}

.request-form {
    width: 600px;
    height: 450px;
    display: flex;
    flex-direction: column;
}

.request-form__twocol {
    display: flex;
    margin: auto;
}

.request-form__section {
    display: flex;
    flex-direction: column;
    width: min-content;
}

.request-form__section:nth-of-type(2) {
    margin-left: 50px;
}

.modal-open .modal,
.modal-open {
    padding-right: 0 !important;
    overflow: auto !important;
}

.scroll-down {
	transform: rotate(-135deg);
    display: block;
	margin: 50px auto 0 auto;
    text-decoration: none;
	text-shadow: 0;
    width: 50px;
    height: 50px;
    border-bottom: 5px solid #d9401e;
    border-right: 5px solid #d9401e;  
    -webkit-animation: fade_move_down 3s ease-in-out infinite;
	-moz-animation:    fade_move_down 3s ease-in-out infinite;
	animation:         fade_move_down 3s ease-in-out infinite;
}

.scroll-down:hover {
    cursor: pointer;
}

/*animated scroll arrow animation*/
@keyframes fade_move_down {
    0%   { transform:translate(0,-10px) rotate(-135deg); opacity: 0;  }
    50%  { opacity: 1;  }
    100% { transform:translate(0,10px) rotate(-135deg); opacity: 0; }
}
@-moz-keyframes fade_move_down {
  0%   { -moz-transform:translate(0,-10px) rotate(-135deg); opacity: 0;  }
  50%  { opacity: 1;  }
  100% { -moz-transform:translate(0,10px) rotate(-135deg); opacity: 0; }
}
@-webkit-keyframes fade_move_down {
    0%   { -webkit-transform:translate(0,-10px) rotate(-135deg); opacity: 0;  }
    50%  { opacity: 1;  }
    100% { -webkit-transform:translate(0,10px) rotate(-135deg); opacity: 0; }
  }

.order {
    max-width: 1024px;
    margin: auto;
}

.order__button {
    margin: 0px auto 70px auto !important;
}

.modal-dialog {
    max-width: max-content;
}

/* начало медиазапросов*/

@media (min-width: 600px) and (max-width: 918px) {
    .ach-number {
        font-size: 36px;
    } 

    .ach-note,
    .users-block__section__username,
    .users-block__section__description {
        font-size: 14px;
    }

    .ach-note {
        min-width: 205px;
    }

    .numbers-block,
    .users-block {
        padding: 20px 50px;
    }
}

@media (min-width: 320px) and (max-width: 599px) {
    .numbers-block,
    .users-block {
        flex-direction: column;
        padding: 20px 50px;
    }

    .numbers-block__section{
        width: auto;
    }

    .ach-note {
        margin: auto;
        padding-bottom: 2em;
    }

    .users-block__section {
        margin-bottom: 2em;
    }

    .feedback__wrapper__slider__slides__photo {
        display: none;
    }
    
    .feedback__wrapper {
        height: 500px;
    }

    .footer__wrapper {
        flex-flow: column;
        text-align: center;
    }

    .header__button {
        display: none;
    }

    .header__mobile-button {
        display: flex;
        padding: 0;
    }

    .header__lang {
        right: 100px;
    }

    .modal-dialog {
        margin: 20px auto;
    }
}

@media (min-width: 600px) and (max-width: 1023px) {
    .feedback {
        margin-left: 20px;
        margin-right: 20px;
    }

    .footer__wrapper__item {
        margin: 20px;
    }

    .footer__wrapper__item:nth-of-type(4) {
        display: none;
    }
}

@media (min-width: 320px) and (max-width: 1023px) {
    .chat {
        display: none;
    }
    
    .directional_nav {
        display: none;
    }
    
    .numbers-block {
        margin-top: 100px;
    }

    .advantages-wrapper {
        margin-top: 0;
        font-size: 16px;
    }

    .advantage,
    .engeneering {
        display: flex;
        flex-flow: column;
        text-align: center;
        margin: 0 auto 30px auto;
    }

    .advantage__mobreverse {
        flex-direction: column-reverse;
    }
    
    .advantage__text__separator {
        margin: 20px auto 30px auto;
    }

    .advantage__pics {
        margin: 20px 0;
    }

    .engeneering__pics {
        margin: 10px 0;
    }
}

@media (min-width: 320px) and (max-width: 485px) {
    
    .advantage__pics img,
    .engeneering__pics img{
        width: 318px;
    }
}

@media (min-width: 320px) and (max-width: 619px) {
    
    .request-form {
        width: 300px;
        height: auto;
    }

    .request__h3 {
        font-size: 18px;
    }

    .request-form__input__wide,
    .request-form__input {
        width: 250px !important;
    }

    .request-form__twocol {
        flex-direction: column;
    }

    .request-form__section:nth-of-type(2) {
        margin-left: 0px;
    }
}

@media (min-width: 320px) and (max-width: 805px) {
    
    .users-header h3,
    .feedback-header h3,
    .engeneering-header h3 {
        font-size: 18px;
    }
    
    .slide {
        flex-flow: column;
    }
    .slide-content__section__left__img {
        height: 250px;
        width: auto;
    }

    .slide-content__section__left {
        flex-grow: unset;
    }

    .h1 {
        font-size: 44px;
    }

    .h2 {
        font-size: 18px;
    }

    .slide-content__section__right__separator {
        margin: 20px 0;
    }

    .slide-content__description__section__right {
        display: flex;
        flex-flow: column-reverse;
    }

    .slide-content__description__section__right,
    .slide-content__section__right {
        text-align: center;
        align-items: center;
        max-width: none;
    }

    .slide_buttons {
        height: auto;
        padding-bottom: 20px;
    }

    .slide-contect__section__button {
        display: none;
    }

    .order__button {
        display: flex;
    }

    .slide-content__description {
        background-size: inherit;
    }

    .numbers-block {
        margin-top: 50px;
    }
}

.feedback__wrapper__slider__slides__photo {
    display: none;
}

.animate__animated {
    --animate-duration: 2s;
}

.animate__animated.animate__fadeIn {
    --animate-duration: 3s;
}

.animate__animated.animate__tada {
    --animate-duration: 1s;
}