* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  color: #333;
  background: #fff;
  font-family: "Raleway", Arial, sans-serif;
  font-size: 14px;
  line-height: 20px;
  transition: none;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.container {
  max-width: 1250px;
  margin: 0 auto;
}

.site-header {
  position: relative;
  z-index: 100;
  background: #000201;
  transition: opacity .5s, box-shadow .5s;
}

.site-header.is-sticky {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  width: 100%;
  opacity: .88;
  box-shadow: 0 8px 6px -6px #000;
}

body.has-sticky-header {
  padding-top: 130px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1080px;
  min-height: 130px;
  margin: 0 auto;
}

.logo {
  width: 260px;
}

.logo img {
  width: 260px;
  margin: 5px 0;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 17px;
  margin-top: 28px;
}

.desktop-nav a {
  display: inline-block;
  padding: 14px 5px 12px;
  color: #fff;
  font-size: 18px;
  font-weight: 500;
  line-height: 21px;
  border-bottom: 3px solid transparent;
}

.desktop-nav a.active,
.desktop-nav a:hover {
  border-bottom-color: #fff;
}

.menu-toggle {
  display: none;
  width: 30px;
  height: 26px;
  padding: 2px;
  border: 0;
  background: #fff;
}

.menu-toggle span {
  display: block;
  height: 3px;
  margin-top: 3px;
  background: #111;
  border-radius: 3px;
}

.mobile-nav {
  display: none;
  background: #000;
}

.mobile-nav a {
  display: block;
  padding: 15px 0;
  color: #fff;
  text-align: center;
  border-bottom: 1px solid #333;
}

.hero {
  height: calc(48.5vw - 29px);
  min-height: 634px;
  background: #fff url("../images/header-image.jpg") center bottom / cover no-repeat;
}

.section-pad {
  padding: 70px 0 71px;
}

.welcome-grid {
  display: grid;
  grid-template-columns: 1fr 407px;
  gap: 90px;
  align-items: start;
}

.welcome h1 {
  margin: 0;
  color: #4b4b4b;
  font-size: 28px;
  font-weight: 400;
  line-height: 1.12;
}

.welcome h2 {
  margin: 4px 0 42px;
  color: #4b4b4b;
  font-size: 23px;
  font-weight: 400;
  line-height: 1.25;
}

.welcome p {
  margin: 0 0 14px;
  line-height: 1.35;
}

.button {
  display: inline-block;
  margin-top: 18px;
  padding: .3em 1em;
  color: #fff;
  background: #15140f;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 700;
}

.button:hover {
  background: #404040;
}

.welcome-image {
  padding-top: 2px;
}

.welcome-image img {
  width: 407px;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.feature-col {
  min-height: 558px;
  background: #fff;
}

.feature-col.grey {
  background: #d8d8d8;
}

.feature-col img {
  width: 100%;
  height: 262px;
  object-fit: cover;
}

.feature-copy {
  padding: 34px 30px 50px;
}

.feature-copy h2 {
  margin: 0 0 28px;
  color: #444;
  font-size: 28px;
  font-weight: 400;
  line-height: 1.15;
}

.feature-copy p {
  margin: 0;
  line-height: 1.35;
}

.home-map-space {
  position: relative;
  height: 600px;
  background: #fff;
  overflow: hidden;
}

.map-embed iframe {
  display: block;
  width: 100%;
  height: 600px;
  border: 0;
}

.map-overlay {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  z-index: 2;
  height: 100px;
  background: #000;
  opacity: 0;
}

.hide-project-btn {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 3;
  width: 200px;
  height: 46px;
  background: #4d6a79;
}

.start-cta {
  padding: 22px 0;
  background: #ccc;
}

.start-cta.compact {
  padding: 10px 0;
}

.start-box {
  padding: 24px 0 25px;
  background: transparent;
  color: #222;
  font-size: 32px;
  font-weight: 400;
  line-height: 1.1;
  text-align: center;
}

.site-footer {
  background: #3c3c3c;
  color: #fff;
  padding: 8px 0 50px;
}

.site-footer .container,
.title-bar .container,
.service-note .container {
  max-width: 1080px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.site-footer section {
  padding: 0 5px;
}

.site-footer h2 {
  position: relative;
  margin: 0 0 15px;
  padding: 30px 0 15px;
  color: #fff;
  font-size: 20px;
  font-weight: 400;
  line-height: 1.1;
  text-transform: capitalize;
  text-shadow: 1px 1px 1px #000;
  border-bottom: 1px solid #000;
}

.site-footer h2 span {
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 42px;
  border-bottom: 3px solid #000;
}

.site-footer img {
  width: 100%;
  height: 136px;
  object-fit: fill;
}

.copyright {
  padding: 25px 0;
  color: #fff;
  background: #11120d;
  font-size: 13px;
  line-height: 12px;
  text-align: center;
}

.title-bar {
  padding: 25px 0;
  color: #fff;
  background: #404040;
  font-size: 24px;
  line-height: 30px;
}

.services-gallery {
  padding: 30px 0 30px;
}

.services-gallery .container {
  max-width: 1050px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 11px 30px;
}

.gallery-grid img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.portfolio {
  overflow: hidden;
}

.portfolio-wrapper {
  position: relative;
  overflow: hidden;
  background: #666;
  cursor: pointer;
}

.portfolio-wrapper > a {
  display: block;
  position: relative;
  line-height: 0;
}

.portfolio img {
  position: relative;
  top: 0;
  display: block;
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: all 600ms cubic-bezier(.645, .045, .355, 1);
}

.portfolio .label {
  position: absolute;
  bottom: -70px;
  left: 0;
  width: 100%;
  height: 70px;
  transition: all 300ms cubic-bezier(.645, .045, .355, 1);
}

.portfolio .label-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
}

.portfolio .label-text {
  position: relative;
  z-index: 1;
  padding: 5px 8px;
  color: #fff;
  text-align: center;
}

.portfolio .text-title {
  color: #fff;
  font-family: "Raleway", sans-serif;
  font-size: 22px;
  font-weight: 400;
  line-height: 1.6em;
}

.portfolio .text-category {
  display: block;
  padding: 5px 0;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
}

.portFlayer {
  position: absolute;
  inset: 0 0 70px;
  z-index: 1;
  display: block;
  background: rgba(255, 255, 255, .68);
  opacity: 0;
  transition: opacity 300ms cubic-bezier(.645, .045, .355, 1);
}

.portfolio:hover .label {
  bottom: 0;
}

.portfolio:hover img {
  top: -50px;
}

.portfolio:hover .portFlayer {
  opacity: 1;
}

.service-note {
  padding: 26px 0 25px;
  background: #d1d1d1;
  color: #111;
  font-size: 21px;
  line-height: 1.15;
  text-align: center;
}

.map-section {
  height: 805px;
  overflow: hidden;
}

.map-section iframe {
  display: block;
  width: 100%;
  height: 865px;
  border: 0;
  transform: translateY(-60px);
}

.contact-hero {
  height: 292px;
  background: url("../images/structural-engineers2.jpg") center 51% / cover no-repeat;
}

.contact-section {
  padding: 82px 0 81px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 70px;
}

.contact-form label {
  display: block;
  margin-bottom: 14px;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  display: block;
  width: 100%;
  margin-top: 5px;
  padding: 2%;
  border: 1px solid #bbb;
  background: #fff;
  font: inherit;
}

.contact-form input {
  height: 51px;
}

.contact-form textarea {
  height: 232px;
  resize: vertical;
}

.contact-form button {
  min-width: 119px;
  padding: 7px 40px;
  color: #fff;
  background: #000;
  border: 0;
  border-radius: 5px;
  font: inherit;
  text-transform: uppercase;
}

.contact-info h2 {
  margin: 0 0 40px;
  font-size: 24px;
  font-weight: 400;
  line-height: 1.15;
}

.contact-info h2:nth-of-type(2) {
  margin-top: 33px;
}

.contact-info p {
  margin: 0 0 18px;
  line-height: 1.35;
}

@media (max-width: 900px) {
  .container,
  .header-inner {
    max-width: none;
    width: 100%;
  }

  .header-inner {
    min-height: 85px;
    padding: 0 5px;
  }

  body.has-sticky-header {
    padding-top: 85px;
  }

  .logo,
  .logo img {
    width: 120px;
  }

  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: block;
    position: absolute;
    top: 10px;
    right: 10px;
  }

  .mobile-nav.is-open {
    display: block;
  }

  .hero {
    height: 48.7vw;
    min-height: 0;
  }

  .section-pad {
    padding: 25px 0 44px;
  }

  .welcome-grid,
  .feature-grid,
  .contact-grid,
  .footer-grid {
    display: block;
  }

  .welcome h1,
  .welcome h2,
  .welcome p,
  .feature-copy h2,
  .feature-copy p,
  .contact-info h2,
  .contact-info p {
    padding-left: 10px;
    padding-right: 10px;
  }

  .welcome h1 {
    font-size: 24px;
  }

  .welcome h2 {
    margin-bottom: 37px;
    font-size: 18px;
  }

  .welcome-image {
    margin-top: 35px;
  }

  .button {
    margin-left: 133px;
  }

  .feature-col {
    min-height: 0;
  }

  .feature-col img {
    height: auto;
  }

  .feature-copy {
    padding: 23px 30px 48px;
  }

  .feature-copy h2 {
    font-size: 28px;
  }

  .home-map-space {
    height: 600px;
  }

  .hide-project-btn {
    width: 200px;
    height: 46px;
  }

  .start-box {
    padding: 18px 10px;
    font-size: 23px;
  }

  .site-footer {
    padding: 0 0 40px;
  }

  .site-footer section {
    padding: 0 30px;
    margin-bottom: 20px;
  }

  .site-footer img {
    height: 136px;
  }

  .copyright {
    padding: 25px 18px;
    font-size: 9px;
    line-height: 1.2;
  }

  .title-bar {
    padding: 10px;
  }

  .gallery-grid {
    display: block;
    padding: 0 10px;
  }

  .portfolio {
    margin-bottom: 10px;
  }

  .gallery-grid img,
  .portfolio img {
    height: 250px;
  }

  .service-note {
    font-size: 18px;
    padding: 22px 12px;
  }

  .map-section {
    height: 500px;
  }

  .map-section iframe {
    height: 560px;
  }

  .contact-hero {
    height: 90px;
  }

  .contact-section {
    padding: 38px 10px 58px;
  }

  .contact-form textarea {
    height: 220px;
  }

  .contact-info {
    margin-top: 45px;
  }
}

@media (max-width: 480px) {
  .site-header.is-sticky {
    opacity: .88;
  }

  .button {
    margin-left: 133px;
  }

  .site-footer section {
    padding: 0 30px;
  }
}