body {
  font-family: 'Montserrat', sans-serif;
  color: #222;
  overflow-x: hidden;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}
.btn {
  background: #f5dc03;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  color: #222;
}
.error-form {
  border-bottom: 1px solid red;
}
.error-form::placeholder {
  color: red;
}
.gallery-zoom,
.popup-form,
.success-msg {
  user-select: none;
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9;
  color: #222;
  background: #fff;
  visibility: hidden;
  opacity: 0;
  transition: 0.3s;
}
.gallery-zoom #cls,
.gallery-zoom .arrow {
  font-size: 25px;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
}
.gallery-zoom #cls {
  position: absolute;
  top: 15px;
  right: 20px;
}
.gallery-zoom .arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}
.gallery-zoom .fa-chevron-left {
  left: 20px;
}
.gallery-zoom .fa-chevron-right {
  right: 20px;
}
.gallery-zoom .gallery-zoom_img {
  height: calc(100% - 30px);
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}
.gallery-zoom .gallery-zoom_img img {
  max-height: 100%;
}
.popup-form {
  padding: 0 25px;
}
.popup-form #cls-form {
  position: absolute;
  font-size: 30px;
  top: 20px;
  right: 25px;
  cursor: pointer;
}
.popup-form .popup-form_content {
  max-width: 800px;
}
.popup-form .popup-form_content .popup-form_title {
  margin-bottom: 20px;
}
.popup-form .popup-form_content .popup-form_title h3 {
  margin-bottom: 10px;
  font-size: 30px;
}
.popup-form .popup-form_content .popup-form_title h3 span {
  color: #f5dc03;
}
.popup-form .popup-form_content .popup-form_title p {
  color: #999999;
  font-size: 16px;
}
.success-msg {
  padding: 0 20px;
  text-align: center;
}
.success-msg .success-msg_content {
  max-width: 600px;
}
.success-msg .success-msg_content h3 {
  font-size: 25px;
}
.success-msg .success-msg_content p {
  color: #999999;
  margin: 20px 0 30px 0;
}
.success-msg .success-msg_content button {
  padding: 10px 15px;
  font-size: 16px;
}
.show {
  visibility: visible !important;
  opacity: 1 !important;
}
header {
  background: #222;
}
header .container {
  height: 110px;
  display: flex;
  align-items: center;
}
header .logo {
  width: 200px;
}
header nav {
  margin-left: 50px;
}
header nav ul {
  display: flex;
  align-items: center;
  gap: 30px;
}
header nav ul a {
  color: #fff;
  font-size: 18px;
  transition: 0.3s;
  display: flex;
  align-items: center;
}
header nav ul a .fa-envelope {
  margin-bottom: -2px;
}
header nav ul a i {
  margin-right: 10px;
}
header nav ul a:hover {
  color: #f5dc03;
}
header button {
  margin-left: auto;
  padding: 10px 20px;
  font-size: 18px;
}
form {
  display: flex;
  flex-direction: column;
}
form input,
form button {
  padding: 15px 0;
  font-size: 16px;
}
form input {
  margin-bottom: 20px;
  border-bottom: 1px solid #ccc;
}
form button {
  margin-top: 10px;
  margin-bottom: 25px;
}
form p {
  color: #999999;
  font-size: 15px;
}
main {
  padding-bottom: 80px;
}
.default-section {
  padding: 60px 0;
}
section .section-title {
  margin-bottom: 60px;
}
section .section-title span {
  color: #f5dc03;
}
section .section-title h3 {
  font-size: 27px;
  text-align: center;
  color: #222;
  text-transform: uppercase;
}
section.heading {
  position: relative;
  height: 500px;
  background: url('../img/heading.jpg') no-repeat center top / cover;
  background-attachment: fixed;
}
section.heading .dark-layer {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 0;
}
section.heading .container {
  height: 100%;
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
section.heading .heading-content {
  width: 500px;
  max-width: 600px;
  color: #fff;
}
section.heading .heading-content .title h1 {
  font-size: 40px;
}
section.heading .heading-content .title p {
  font-size: 17px;
  padding: 15px 0;
  margin: 30px 0;
  border-top: 2px solid #f5dc03;
  border-bottom: 2px solid #f5dc03;
  line-height: 23px;
}
section.heading .heading-content .btn-wrapp {
  width: 300px;
  max-width: 300px;
  overflow: hidden;
}
section.heading .heading-content .btn-wrapp button {
  position: relative;
  padding: 12px 20px;
  font-size: 20px;
  width: 280px;
  min-width: 280px;
  text-align: center;
  border-radius: 0;
}
section.heading .heading-content .btn-wrapp button::after {
  content: '';
  position: absolute;
  border: 53px solid transparent;
  border-left: 22px solid #f5dc03;
  border-bottom: 30px solid #f5dc03;
  top: -6px;
  right: -72px;
}
section.heading .tent-icon {
  width: 500px;
}
section.advantages-wrapp {
  padding-top: 80px;
}
section.advantages-wrapp .container {
  display: flex;
  gap: 100px;
}
section.advantages-wrapp .map,
section.advantages-wrapp .advantages {
  width: 50%;
}
section.advantages-wrapp .map {
  position: relative;
}
section.advantages-wrapp .map .n1 {
  position: absolute;
  width: 180px;
  left: 50px;
  bottom: 10px;
  opacity: 0.7;
}
section.advantages-wrapp .advantages {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
section.advantages-wrapp .advantages h3 {
  font-size: 35px;
  color: #222;
}
section.advantages-wrapp .advantages ul,
section.advantages-wrapp .advantages p {
  font-weight: 500;
}
section.advantages-wrapp .advantages p {
  font-size: 17px;
  color: rgba(0, 0, 0, 0.8);
}
section.advantages-wrapp .advantages ul {
  margin: 40px 0 40px 70px;
}
section.advantages-wrapp .advantages ul li {
  position: relative;
  margin-bottom: 40px;
  font-size: 19px;
}
section.advantages-wrapp .advantages ul li:last-child {
  margin-bottom: 0;
}
section.advantages-wrapp .advantages ul li:nth-child(1)::after {
  background: url('../img/lightweight.png') no-repeat center;
  background-size: 35px;
}
section.advantages-wrapp .advantages ul li:nth-child(2)::after {
  background: url('../img/deadline.png') no-repeat center;
  background-size: 35px;
}
section.advantages-wrapp .advantages ul li:nth-child(3)::after {
  background: url('../img/reliability.png') no-repeat center;
  background-size: 35px;
}
section.advantages-wrapp .advantages ul li::after {
  content: '';
  position: absolute;
  display: block;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid #f5dc03;
  top: 50%;
  left: -70px;
  transform: translateY(-50%);
}
section.calculator-wrapp {
  background: #f7f7f7;
}
section.calculator-wrapp .tent-img {
  transform: rotate(-2deg);
}
section.calculator-wrapp .section-title {
  margin-bottom: 60px;
}
section.calculator-wrapp .calculator-flex {
  display: flex;
  gap: 40px;
}
section.calculator-wrapp .calculator-flex .calculator,
section.calculator-wrapp .calculator-flex .tent {
  width: 50%;
  padding: 40px;
  background: #fff;
  box-shadow: 0px 3px 5px 0px rgba(51, 51, 51, 0.05);
  border-radius: 10px;
}
section.calculator-wrapp .calculator-flex .tent {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
section.calculator-wrapp .calculator-flex .tent .tent-sum {
  display: flex;
  justify-content: space-between;
}
section.calculator-wrapp .calculator-flex .tent .tent-sum .sum {
  display: flex;
  flex-direction: column;
}
section.calculator-wrapp .calculator-flex .tent .tent-sum .sum span {
  font-weight: 500;
}
section.calculator-wrapp .calculator-flex .tent .tent-sum .sum span:first-child {
  font-size: 18px;
}
section.calculator-wrapp .calculator-flex .tent .tent-sum .sum span:last-child {
  margin-top: 5px;
  font-size: 30px;
}
section.calculator-wrapp .calculator-flex .tent .tent-sum button {
  padding: 15px 0;
  align-self: flex-end;
  font-size: 18px;
  width: 200px;
}
section.calculator-wrapp .calculator-flex .calculator-item {
  margin-bottom: 50px;
}
section.calculator-wrapp .calculator-flex .calculator-item h4 {
  text-align: center;
  font-weight: 500;
  font-size: 18px;
}
section.calculator-wrapp .calculator-flex .calculator-item:last-child {
  margin-bottom: 0;
}
section.calculator-wrapp .input-radio input {
  display: none;
}
section.calculator-wrapp .input-radio label {
  position: relative;
  cursor: pointer;
}
section.calculator-wrapp .input-radio label::before {
  content: '';
  position: absolute;
  display: block;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid #f5dc03;
  left: -30px;
  top: 50%;
  transform: translateY(-50%);
  box-shadow: inset 0 0 0 3px #fff;
}
section.calculator-wrapp .input-radio input:checked + label::before {
  background: #f5dc03;
}
section.calculator-wrapp .select-size {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  gap: 20px 50px;
  margin-left: 30px;
  flex-wrap: wrap;
}
section.calculator-wrapp .select-size .size {
  font-size: 15px;
}
section.calculator-wrapp .colors {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
  max-width: 380px;
  margin: 30px auto 0 auto;
}
section.calculator-wrapp .colors .color {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #ccc;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #f5dc03;
  font-size: 18px;
}
section.calculator-wrapp .colors .color i {
  display: none;
}
section.calculator-wrapp .colors .active i {
  display: block;
}
section.calculator-wrapp table {
  width: 100%;
}
section.calculator-wrapp table td {
  padding: 15px 0;
}
section.calculator-wrapp table td:nth-child(2),
section.calculator-wrapp table td:nth-child(3) {
  width: 100px;
  text-align: right;
}
section.faq-wrapp .faq .question {
  padding: 25px 0;
  font-size: 22px;
  font-weight: 500;
  cursor: pointer;
}
section.faq-wrapp .faq .question:hover ~ .open {
  background: #f5dc03;
  color: #fff;
}
section.faq-wrapp .faq .faq-item {
  position: relative;
  border-top: 2px solid #f5dc03;
  overflow: hidden;
}
section.faq-wrapp .faq .faq-item .faq-answer {
  height: 0;
  transition: 0.3s;
}
section.faq-wrapp .faq .faq-item .faq-answer .answer {
  padding-bottom: 25px;
}
section.faq-wrapp .faq .faq-item .open {
  position: absolute;
  right: 0;
  top: 22px;
  font-size: 20px;
  color: #f5dc03;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: 0.3s;
}
section.faq-wrapp .faq .faq-item:last-child {
  border-bottom: 2px solid #f5dc03;
}
section.gallery-wrapp {
  user-select: none;
}
section.gallery-wrapp .gallery {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 10px;
}
section.gallery-wrapp .gallery .gallery-item {
  border-radius: 5px;
  overflow: hidden;
  cursor: zoom-in;
}
section.gallery-wrapp .gallery .gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
section.gallery-wrapp .gallery .gallery-item:nth-child(1) {
  grid-row: span 2;
}
section.form-wrapp {
  padding: 0 15px;
}
section.form-wrapp .container {
  display: flex;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0px 0px 8px 0px rgba(51, 51, 51, 0.15);
  gap: 100px;
}
section.form-wrapp .form-left,
section.form-wrapp .form-right {
  width: 50%;
}
section.form-wrapp .form-right h3 {
  font-size: 28px;
}
section.form-wrapp .form-right h3 span {
  color: #f5dc03;
}
section.form-wrapp .form-right p {
  margin-top: 20px;
  color: #999999;
}
@media screen and (max-width: 1149px) {
  section.heading .tent-icon {
    width: 450px;
  }
}
@media screen and (max-width: 1059px) {
  section.heading {
    height: 800px;
  }
  section.heading .container {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 60px;
  }
  section.heading .heading-content {
    width: 100%;
    text-align: center;
  }
  section.heading .heading-content .btn-wrapp {
    margin: 0 auto;
  }
  section.heading .heading-content .btn-wrapp button {
    border-radius: 8px;
  }
  section.heading .heading-content .btn-wrapp button::after {
    display: none;
  }
  section.heading .tent-icon {
    width: 100%;
    max-width: 520px;
  }
  header .logo {
    width: 180px;
  }
  header nav ul a,
  section.heading .heading-content .title p,
  section.calculator-wrapp .calculator-flex .tent .tent-sum .sum span:first-child {
    font-size: 15px;
  }
  header button {
    padding: 8px 20px;
  }
  section.heading .heading-content .title h1 {
    font-size: 35px;
  }
  section.advantages-wrapp .advantages h3 {
    font-size: 30px;
  }
  section.advantages-wrapp .advantages ul li {
    font-size: 18px;
  }
  section.advantages-wrapp .map .n1 {
    width: 150px;
    bottom: 40px;
  }
  section.calculator-wrapp .calculator-flex .tent .tent-sum .sum span:last-child,
  section .section-title h3 {
    font-size: 25px;
  }
  section.calculator-wrapp .calculator-flex .tent .tent-sum button {
    padding: 10px 0;
  }
}
@media screen and (max-width: 959px) {
  section.calculator-wrapp .calculator-flex {
    flex-direction: column;
    gap: 0;
  }
  section.calculator-wrapp .calculator-flex .calculator,
  section.calculator-wrapp .calculator-flex .tent {
    width: 100%;
  }
  section.calculator-wrapp .calculator-flex .calculator {
    border-radius: 10px 10px 0 0;
  }
  section.calculator-wrapp .calculator-flex .tent {
    border-radius: 0 0 10px 10px;
  }
  section.calculator-wrapp .calculator-flex .tent .tent-sum {
    margin-top: 50px;
  }
  header nav li:first-child {
    display: none;
  }
  header nav li:last-child {
    white-space: nowrap;
  }
  header .container {
    justify-content: space-between;
  }
  header .container .btn {
    display: none;
  }
  section.calculator-wrapp .section-title {
    margin-bottom: 50px;
  }
  section.advantages-wrapp .advantages h3 {
    font-size: 25px;
  }
  section.advantages-wrapp .advantages ul li,
  section.advantages-wrapp .advantages p {
    font-size: 16px;
  }
  section.advantages-wrapp .container,
  section.form-wrapp .container {
    gap: 55px;
  }
  section.faq-wrapp .faq .question {
    position: relative;
    z-index: 3;
    font-size: 18px;
    padding-right: 60px;
  }
}
@media screen and (max-width: 699px) {
  .popup-form #cls-form {
    right: 15px;
  }
  .gallery-zoom .fa-chevron-left {
    left: 10px;
  }
  .gallery-zoom .fa-chevron-right,
  .gallery-zoom #cls {
    right: 10px;
  }
  section.advantages-wrapp .container,
  section.form-wrapp .container {
    flex-direction: column;
  }
  section.advantages-wrapp .map,
  section.advantages-wrapp .advantages,
  section.form-wrapp .form-left,
  section.form-wrapp .form-right {
    width: 100%;
  }
  section.form-wrapp .form-left {
    order: 1;
  }
  section.advantages-wrapp .container {
    align-items: center;
  }
  section.advantages-wrapp .map {
    max-width: 500px;
  }
  section.advantages-wrapp .advantages {
    align-items: center;
    max-width: 500px;
  }
  .advantages p {
    text-align: center;
  }
}
@media screen and (max-width: 549px) {
  section.heading {
    height: 710px;
  }
  .success-msg .success-msg_content h3 {
    font-size: 18px;
  }
  .success-msg .success-msg_content p {
    font-size: 16px;
  }
  .success-msg .success-msg_content button {
    padding: 8px 15px;
  }
  section.advantages-wrapp .map .n1 {
    width: 110px;
  }
  header .container {
    height: 95px;
  }
  header .logo {
    width: 160px;
    min-width: 100px;
  }
  header nav ul a {
    font-size: 15px;
  }
  section .section-title h3 {
    font-size: 18px;
  }
  section.calculator-wrapp .section-title {
    margin-bottom: 40px;
  }
  section.calculator-wrapp table td:nth-child(2),
  section.calculator-wrapp table td:nth-child(3) {
    width: 80px;
  }
  section.calculator-wrapp .colors .color {
    width: 30px;
    height: 30px;
  }
  section.calculator-wrapp .calculator-flex .tent .tent-sum .sum span:last-child {
    font-size: 18px;
  }
  section.calculator-wrapp .calculator-flex .tent .tent-sum .sum span:first-child {
    font-size: 14px;
  }
  section.calculator-wrapp .calculator-flex .tent .tent-sum button {
    font-size: 14px;
    padding: 8px 10px;
    width: auto;
  }
  header button {
    font-size: 15px;
    padding: 8px 15px;
    white-space: nowrap;
  }
  section.heading .heading-content .title h1 {
    font-size: 23px;
  }
  section.heading .heading-content .btn-wrapp button {
    padding: 7px 20px;
    font-size: 17px;
  }
  section.calculator-wrapp table td {
    font-size: 14px;
  }
  section.calculator-wrapp .calculator-flex .calculator,
  section.form-wrapp .container {
    padding: 30px;
  }
  section.calculator-wrapp .calculator-flex .tent {
    padding: 0 30px 30px 30px;
  }
  .gallery-wrapp {
    padding-top: 20px;
  }
  section .section-title {
    margin-bottom: 50px;
  }
  section.gallery-wrapp .gallery {
    grid-template-columns: 1fr 1fr;
  }
}