.dificult {
  position: relative;
  width: 100%;
  max-width: 1800px;
  margin: 0 auto;
  padding: 0 30px;
}


/* video */
.dificult__video {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.dificult__video-bck {
  position: absolute;
  top: 0;
  left: 0px;
  width: 100%;
  height: 100vh;
}

.dificult__video-bck iframe {
  width: 1190px;
  height: 670px;
}

.dificult__video::before {
  z-index: 1;
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 705px;
  background: url('../../images/cover1.png');
  opacity: 1;
}

.dificult__content-pos {
  position: absolute;
  z-index: 1;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 9rem 7rem 3.5rem 7rem;
  background:   rgba(0, 0, 0, 0.37);

}

.dificult__content {
  width: 100%;
  max-width: 645px;
  color: var(--color-white);
  text-shadow: 0px 1px 3px rgba(0, 0, 0, 0.5);
}

.dificult__content-title {
  font-size: 58px;
  font-weight: 500;
  line-height: 64px;
  margin-bottom: 3rem;
  text-shadow: 0 0 30px #000;
}

.dificult__content-desc {
  font-size: 17px;
  line-height: 21px;
  font-weight: 500;
  margin-bottom: 4rem;
}

.dificult__button {
  border: 0;
  padding: 1rem 4rem .9rem 4rem;
  color: var(--color-white);
  background: var(--color-aqua);
  font-size: 18px;
  font-weight: 500;
  text-transform: uppercase;
  transition: .1s;
  user-select: none;
}

.dificult__button:hover {
  -webkit-box-shadow: 0px 4px 7px 0px rgba(0, 0, 1, 0.3);
  -moz-box-shadow:    0px 4px 7px 0px rgba(0, 0, 1, 0.3);
  box-shadow:         0px 4px 7px 0px rgba(0, 0, 1, 0.3);
}

.dificult__button i {
  margin-right: .7rem;
}

.dificult__about {
  position: absolute;
  top: 180px;
  left: -115px;
  width: 300px;
  transform: rotate(-90deg);
  color: #555;
  font-weight: 400;
  text-transform: uppercase;
  font-size: 16px;
  letter-spacing: 5px;
}



/* about */
.about {
  position: relative;
  z-index: 0;
  width: 100%;
  padding: 6rem 0;
  background: var(--color-light-gray);
}

.about__left {
  width: 100%;
  max-width: 500px;
}

.about__left-col {
  width: 100%;
  max-width: 50%;
  padding-right: 3rem;
  display: flex;
  flex-flow: column;
  /* justify-content: space-between; */
}

.about__title {
  font-size: 18px;
  line-height: 21px;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--color-black);
  margin-bottom: 1rem;

}

.about__left-item {
  margin-top: 38px;
}


.about__left-item a:hover::after{
  opacity: 1;
}

/* .about__left-item {
  margin-top: 34px;
}
.right-column-ab .about__left-item {
  margin-top: 63px;
}
.about__left-item img{
  height: 100%;
} */

.about__left-item span {
  display: block;
  padding-right: .5rem;
  text-transform: uppercase;
  color: var(--color-black);
  font-weight: 200;
  font-size: 16px;
  line-height: 18px;
}



.about__right {
  padding-left: 2rem;
  margin-left: 3rem;
  width: 100%;
  max-width: 556px;
}

.about__right-title {
  font-size: 40px;
  line-height: 45px;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--color-aqua);
  margin-bottom: 3rem;
}

.about__right-l {
  margin-left: -2rem;
}

.about__right-img {
  position: relative;
  margin-bottom: 1rem;
  margin-top: 20px;
}
.about__right-img::before {
  content: '';
  z-index: -1;
  opacity: .5;
  position: absolute;
  bottom: -33px;
  left: -24px;
  width: 211px;
  height: 148px;
  background: url( '../../images/bg-55.png' );
}

.about__right-desc {
  font-size: 18px;
  font-weight: 500;
  font-style: italic;
  line-height: 26px;
  color: var(--color-aqua);
  margin-top: 10px;
}

.about__right-r {
  padding-left: 2rem;
}

.about__right-r strong {
  display: block;
  margin: 10px 0 2rem 0;
}

/* equipment */
.equipment {
  position: relative;
  width: 100%;
  padding: 6rem 0 1rem 0;
}

.equipment__left h3, .def-head {
  font-size: 2.2rem;
  line-height: 2.9rem;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--color-aqua);
  margin-bottom: 40px;
}

.equipment__left {
  position: relative;
  width: 100%;
  max-width: 380px;
  margin-right: 6rem;
}
.equipment__left.eq-first {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin-right: 6rem;
  margin-bottom: 60px;
}

.equipment__left::before {
  content: '';
  z-index: -1;
  opacity: .4;
  position: absolute;
  top: 30px;
  left: -60px;
  width: 335px;
  height: 391px;
  background: url( '../../images/bg-55.png' );
}

.equipment__left strong {
  display: block;
  margin-bottom: 2rem;
}
.equipment_row {
  justify-content: space-between;
  width: 100%;
}
.eq-row-first {
}
.equipment__col {
  width: 100%;
  max-width: 310px;
}

.equipment__col h3{
  color: var(--color-black);
  font-size: 24px;
  line-height: 30px;
  font-weight: 500;
  text-transform: uppercase;
  min-height: 90px
}
.inovations .equipment__col h3{
  max-width: 250px;
}

.equipment__col-img {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 250px;
  overflow: hidden;
}
.equipment_col-left .equipment__col-img {
  background: url(/images/eq5.jpg)no-repeat -25px -15px;
  background-size: 300px;
}
.equipment_col-middle .equipment__col-img {
  background: url(/images/eq1.png)no-repeat -0px -3px;
  background-size: 300px;
}
.equipment_col-right .equipment__col-img {
  background-image: url(/images/eq2.png);
  background-repeat: no-repeat;
  background-position: -40px center;
  background-size: 370px;
}
.equipment_col-left .equipment__col-list {
  max-width: 300px;
}
.innovat_col-right .equipment__col-list {
  padding-left: 30px;
}

.equipment__left .readmore .light-link {
  margin-top: 40px;
}
.innovat_col-left .equipment__col-img {
  background: url(/images/eq3.png)no-repeat -30px 35px;
  background-size: 280px;
}
.innovat_col-right .equipment__col-img {
  background: url(/images/eq4.png)no-repeat 0px 35px;
  background-size: 330px;
}
.innovat_col-left .equipment__col-list {
  max-width: 300px;
}
.innovat_col-right .equipment__col-list {
  padding-left: 30px;
}
.innovat_col-right h3 {
  padding-left: 30px;
}
.innovat__left .readmore .light-link {
  margin-top: 40px;
}


.equipment__col-list {
  display: flex;
  flex-wrap: wrap;

}

.equipment__col-item {
  position: relative;
  width: 100%;
  max-width: 145px;
  margin: 1rem 0;
  padding: 0 1.1rem;
  color: var(--color-black);
  font-size: 17px;
  line-height: 17px;
  font-weight: 500;
  text-transform: uppercase;
}

.equipment__col-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: .32rem;
  /* bottom: 0; */
  border: 5px solid transparent;
  border-bottom: 5px solid var(--color-aqua);
  border-left: 5px solid var(--color-aqua);
}

.inovations .equipment__col-item {
  max-width: 100%;
}

/* services__col */
.services {
  position: relative;
  width: 100%;
  padding: 5rem 0 2rem 0;
}

.services__col {
  width: 100%;
  max-width: 305px;

}

.services__col:not(:last-child) {
  margin-right: 100px;
}

.services__col img {
  margin: 1rem 0;
}

.services__col-header {
  text-transform: uppercase;
  color: var(--color-black);
  margin: 1.5rem 0 2rem 0;
  font-size: 20px;
  font-weight: 500;
  line-height: 30px;
}

.services__col-desc {
  font-size: 16px;
  line-height: 22px;
}

/* form-line */
.form-line {
  position: relative;
  width: 100%;
  background: var(--color-dark-gray);
  overflow: hidden;
}

.form-line__flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.form-line::after {
  content: '';
  z-index: 0;
  position: absolute;
  top: 0;
  left: 50%;
  width: 50%;
  height: 100%;
  background: var(--color-aqua);
}

.form-line__header {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  width: 100%;
  max-width: 700px;
  font-size: 2.2rem;
  line-height: 2.4rem;
  color: var(--color-aqua);
  font-weight: 500;
  padding: 85px 150px 85px 0;
  text-transform: uppercase;
  background: var(--color-dark-gray);
}

.form-line__header::after {
  content: '';
  position: absolute;
  top: 0;
  /* right: 0; */
  right: -1px;
  z-index: 1;
  width: 100px;
  height: 100%;
  background: var(--color-aqua);
  clip-path: polygon(100% 0, 100% 50%, 100% 100%, 0% 100%, 100% 50%, 0% 0%);;
}


.form-line__buttons {
  z-index: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.form-line__btn {
  width: 261px;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 19px 20px 16px 20px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-aqua);
  background: var(--color-white);
  transition: .2s;
  text-transform: uppercase;
}

.form-line__btn i {
  margin-right: 1rem;
}

.form-line__btn:first-child {
  margin-bottom: 10px;
}

.form-line__btn:hover {
  cursor: pointer;
  -webkit-box-shadow: 0px 4px 7px 0px rgba(0, 0, 1, 0.3);
  -moz-box-shadow:    0px 4px 7px 0px rgba(0, 0, 1, 0.3);
  box-shadow:         0px 4px 7px 0px rgba(0, 0, 1, 0.3);
}

/* callback */
.callback {
  position: relative;
  width: 100%;
  padding: 6rem 0;
}

.callback .flex-btw {
  position: relative;
}

.callback .flex-btw::before {
  content: '';
  z-index: -1;
  opacity: .4;
  position: absolute;
  top: -85px;
  left: -60px;
  width: 400px;
  height: 400px;
  background: url( '../../images/bg-55.png' );
}


.callback__left {
  width: 100%;
  /* max-width: 215px; */

  max-width: 520px;
  margin-bottom: 20px;
}

.callback__left img {
  max-width: 100%;
  filter: grayscale(.6)
}

.callback__left-desc {
  margin-top: 2rem;
  width: 140px;
  font-size: .9rem;
  line-height: 1.3rem;
  font-weight: 500;
  font-style: italic;
  color: var(--color-aqua);
}

.callback__mid {
  width: 100%;
  /* max-width: 260px; */

  max-width: 550px;
  margin-top: 0px;
}

.callback__right {
  width: 100%;
  max-width: calc(100% - 600px);
  margin-left: 5rem;
}

.callback__nav {
  display: flex;
  justify-content: space-between;
}

.callback__nav-item {
  text-transform: uppercase;
  font-weight: 400;
  font-size: 1rem;
  padding-bottom: 10px;
  color: var(--color-aqua);
  transition: .1s;
  border-bottom: 2px solid var(--color-white);
}

.callback__nav-item:hover {
  cursor: pointer;
  border-bottom: 2px solid var(--color-mid-gray);
}

.callback__nav-item:not(:last-child) {
  margin-right: 2.5rem;
}

.callback__nav-item.active {
  /* font-weight: 500; */
  color: var(--color-black);
  border-bottom: 2px solid var(--color-aqua);
}

.callback__layer {
  padding-top: 1.9rem;
}

.callback__row {
  display: flex;
}

.callback__form input, .callback__form textarea {
  outline: none;
  width: 100%;
  font-size: 1rem;
  margin-bottom: 1.9rem;
  font-weight: 500;
  padding: 15px 19px;
  border: 2px solid var(--color-aqua);
}

.callback__row input:first-child {
  margin-right: .95rem;
}

.callback__row input:last-child {
  margin-left: .95rem;
}

.callback__checkboxes {
  display: flex;
  margin: 20px 0 30px 0;
}

.callback__checkboxes > label:last-child {
  margin-left: 85px;
}

.callback__form textarea {
  line-height: 1.2rem;
}

.callback__form input[type="radio"] {
  display: none;
}

.callback__form label {
  position: relative;
  display: flex;
  align-items: center;
  padding-left: 60px;
  height: 40px;
  cursor: pointer;
}

.callback__form label::after {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  border: 2px solid var(--color-aqua);
  width: 40px;
  height: 40px;
 }

 .callback__form input[type="radio"]:checked + label::before {
  font-family: "Font Awesome 5 Free";
  position: absolute;
  top: 0;
  left: 5px;
  content: "\f00c";
  color: var(--color-aqua);
  font-weight: 900;
  vertical-align: middle;
  font-size: 30px;
 }

::-webkit-input-placeholder {color:var(--color-mid-gray);}
::-moz-placeholder          {color:var(--color-mid-gray);}/* Firefox 19+ */
:-moz-placeholder           {color:var(--color-mid-gray);}/* Firefox 18- */
:-ms-input-placeholder      {color:var(--color-mid-gray);}

/* worldmap */
.worldmap {
  position: relative;
  width: 100%;
  height: 940px;
  margin: 6rem auto 3rem auto;
  max-width: 1800px;
  background-position: center bottom;
  background-repeat: no-repeat;
}
.worldmap::after {
	content: '';
	z-index: -1;
	opacity: .4;
	position: absolute;
	top: 100px;
	right: 310px;
	width: 610px;
	height: 250px;
	background: url( '../../images/bg-55.png' );
}

.worldmap__flex {
  display: flex;
}

.worldmap__right {
  margin: 4rem 0 0 auto;
}

.worldmap__item {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--color-aqua);
  text-transform: uppercase;
}

.worldmap__item i {
  margin-right: 1rem;
}

.i-flag {
  display: block;
  width: 36px;
  min-width: 36px;
  height: 42px;
  background-position: center 0;
}

.contact-block {
  display: none;
}

.contact-block.active {
  display: flex;
  flex-wrap: wrap;
}