*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Poppins";
}

html,
body {
  height: 100vh;
  overflow: hidden;
}

.scroll-snap-container {
  overflow-y: scroll;
  height: 100vh;
  scroll-snap-type: y mandatory;
  /* scroll-behavior: smooth; */
}

.scroll-snap-block {
  scroll-snap-align: start;
  scroll-snap-stop: always;
}


/* <------------------------------ Navbar ------------------------------> */

.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-left: 50px;
  padding-right: 38px;
  z-index: 100;
}

.nav-btn-container-mobile {
  display: none;
  position: relative;
  width: 50px;
  height: 50px;
  z-index: inherit;
}

.nav-bar-log-box {
  cursor: pointer;
  display: flex;
}

.nav-bar-log-text {
  margin-top: 4px;
  margin-left: 12px;
}

.nav-btn:link,
.nav-btn:visited {
  text-transform: uppercase;
  text-decoration: none;
}

.nav-btn:hover {
  color: white;
}

.nav-btn {
  color: white;
  font-size: 16px;
  font-weight: 700;
  margin-right: 36px;
  cursor: pointer;
}

.nav-btn:last-child {
  margin-right: 0;
}

.nav-btn.contact-us {
  background-color: #4CA1F8;
  padding: 10px 20px;
  border-radius: 10px;
}

.mob-nav-toggle:active,
.mob-nav-toggle:focus {
  outline: none;
}

.mob-nav-toggle {
  border: none;
  background-color: transparent;
  outline: none;
  transition: opacity .3s;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
}

.mob-nav-toggle#nav-menu-btn {
  opacity: 1;
  pointer-events: auto;
}

.mob-nav-toggle#nav-close-btn {
  opacity: 0;
  pointer-events: none;
}

.nav-bar-menu {
  position: absolute;
  top: 80px;
  left: 0;
  right: 0;
  background-color: rgba(0, 0, 0, 0.8);
  padding: 0px 50px 35px;
  border-radius: 0px 0px 24px 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  z-index: 99;
  margin-top: -500px;
  transition: all .3s ease-in-out;
  opacity: 0;
}

.nav-bar-menu.show {
  margin-top: 0;
  opacity: 1;
}

.nav-btn.menu-item {
  font-size: 22px;
  margin-right: 0;
  margin: 20px 0 20px;
}

.nav-btn.menu-item.contact-us {
  align-self: stretch;
  width: 100%;
  text-align: center;
  text-transform: capitalize;
}


/* <------------------------------ Header ------------------------------> */

.header {
  background-color: rgba(0, 0, 0, 0.35);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: -1;
}

.header-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  mix-blend-mode: multiply;
}

.heading-primary {
  font-size: clamp(60px, 9vw, 140px);
  color: white;
  text-transform: uppercase;
  font-weight: 800;
  position: absolute;
  top: 55%;
  left: 6%;
  transform: translateY(-50%);
  line-height: 1;
  display: none;
}

.heading-primary>* {
  display: block;
  animation: 1s slideIn;
  animation-timing-function: cubic-bezier(0.075, 0.82, 0.165, 1);
  animation-fill-mode: backwards;
}

.heading-primary-3,
.heading-primary-4 {
  color: #3A93ED;
}

.heading-primary .heading-primary-2 {
  animation-delay: .1s;
}

.heading-primary .heading-primary-3 {
  animation-delay: .15s;
}

.heading-primary .heading-primary-4 {
  animation-delay: .2s;
}

.header-spacer {
  height: 100vh;
}

/* <------------------------------ Expertise ------------------------------> */

.section-expertise {
  color: #173559;
  background-color: white;
  padding-inline: 6%;
  padding-block: max(80px, 8%);
}

.heading-expertise {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  margin-bottom: clamp(35px, 7vw, 100px);
}

.expertise-content {
  margin: auto;
  max-width: 1850px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 50px;
}

.expertise-item {
  width: 28%;
}

.expertise-item-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 8px;
}

.expertise-item-heading {
  font-size: 26px;
  font-weight: 700;
}

.expertise-item-icon {
  height: 120px;
  width: 120px;
}

.expertise-item-desc {
  font-size: 16px;
  line-height: 1.6;
}


/* <------------------------------ About Us ------------------------------> */

.section-about-us {
  background-image: linear-gradient(to top, black, 7%, rgba(0, 0, 0, 0)),
    url(../images/about-us/banner-wht-we-do.png);
  background-position: right;
  background-size: cover;
  height: 100vh;
  min-height: 700px;
  padding: 8% 6%;
}

.about-us-content {
  max-width: 600px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.about-us-heading {
  color: white;
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  margin-bottom: clamp(35px, 7vw, 50px);
  line-height: clamp(48px, 7vw, 78px);
}

.about-us-highlight {
  font-size: 21px;
  color: #3A93ED;
  font-weight: 700;
  line-height: clamp(30px, 6vw, 36px);
  margin-bottom: 18px;
}

.about-us-para {
  color: white;
  line-height: 1.6;
}


/* <------------------------------ Contact Us ------------------------------> */

.section-contact-us {
  background-color: black;
}

.contact-us-container {
  padding: 10% 6%;
  background-color: rgba(5, 41, 65, 0.73);
  border-radius: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  margin: 0 auto;
  gap: 20px;
}

.contact-us-logobox {
  height: 114px;
  width: 114px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 15px;
}

.contact-us-highlight {
  font-size: clamp(28px, 4vw, 64px);
  font-weight: 700;
  color: #3A93ED;
  max-width: 1200px;
  line-height: 1.4;
}

.contact-us-para {
  color: white;
  font-size: clamp(16px, 2.5vw, 22px);
  max-width: 1100px;
}

.contact-us-email {
  font-size: 20px;
  color: #3A93ED;
  font-weight: 800;
  text-decoration: underline 1px;
  cursor: pointer;
}

.contact-us-logo-mob {
  display: none;
}


/* <------------------------------ Animations ------------------------------> */

@keyframes slideIn {
  from {
    margin-left: -120%;
  }

  to {
    margin-left: 0%;
  }
}


/* <------------------------------ Media Queries ------------------------------> */
@media (max-width: 1500px) {
  .expertise-item-icon {
    height: 90px;
    width: 90px;
  }

  .expertise-content {
    gap: 30px;
  }

  .expertise-item {
    width: 30%;
  }

  .expertise-item-heading {
    font-size: 24px;
  }
}

@media (max-width: 900px) {
  .nav-btn-container {
    display: none;
  }

  .nav-btn-container-mobile {
    display: block;
  }

  .expertise-item {
    width: 46%;
  }

  .expertise-item-icon {
    height: 75px;
    width: 75px;
  }

  .about-us-content {
    justify-content: space-between;
  }

  .contact-us-container {
    border-radius: 30px;
  }
}


@media (max-width: 600px) {
  .nav-bar {
    height: 69px;
    padding: 0 24px;
  }

  .nav-bar-menu {
    top: 69px;
  }

  .expertise-item {
    width: 100%;
  }

  .expertise-item-icon {
    height: 50px;
    width: 50px;
  }

  .expertise-item-header {
    flex-direction: row;
    align-items: center;
    gap: 14px;
  }

  .heading-primary {
    bottom: 10%;
  }

  .section-about-us {
    background-image: linear-gradient(to top, black, 10%, rgba(0, 0, 0, 0)),
      url(../images/about-us/banner-wht-we-do-mob.png);
    height: 1200px;
    padding-block: 80px;
  }

  .contact-us-logobox {
    height: 64px;
    width: 64px;
  }

  .contact-us-logo {
    display: none;
  }

  .contact-us-logo-mob {
    display: block;
  }

  .contact-us-email {
    margin-bottom: 40px;
  }
}