style.css

* {
  box-sizing: border-box;
  margin: 0rem;
}

:root {
  --main-text-font: "Montserrat", Helvetica, sans-serif;
}

@keyframes show-up {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slide2-2-translate {
  from {
    left: 8%;
    opacity: 0;
  }
  to {
    left: calc(8% + 9.2rem);
    opacity: 1;
  }
}

@keyframes slide2-4-translate {
  from {
    left: 80%;
    opacity: 0;
  }
  to {
    left: calc(80% - 6rem);
    opacity: 1;
  }
}

.body {
  font-size: 0.625rem;
  font-family: var(--main-text-font);
  padding: 0;
  background-color: #fafafa;
  width: 69.75rem;
}

.main-wrapper {
  display: flex;
  flex-flow: column;
  align-items: center;
  width: 100%;
}

h1 {
  font-size: 6rem;
  text-align: center;
  font-family: var(--main-text-font);
  line-height: 1em;
  font-weight: 600;
  max-width: 53.125rem;
}

h2 {
  font-size: 2.8125rem;
  line-height: 1.4em;
  font-family: var(--main-text-font);
  font-weight: 600;
}

h3 {
  font-size: 1.5rem;
  font-family: var(--main-text-font);
  font-weight: 600;
}

h4 {
  font-size: 1.17em;
  font-family: var(--main-text-font);
  line-height: 2.125rem;
  font-weight: 600;
}

h5 {
  font-size: 1.25rem;
  font-family: var(--main-text-font);
  margin: 0;
  font-weight: lighter;
  line-height: 1.6em;
  letter-spacing: 0.01em;
  text-align: center;
}

p {
  font-size: 1rem;
  font-family: var(--main-text-font);
  line-height: 1.6em;
}

button {
  outline: none;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
}

.nav-container {
  display: flex;
  flex-flow: row nowrap;
  justify-content: space-between;
  background-color: #ffffff;
  width: 100%;
  margin: 0;
  padding: 0;
  border-bottom: #dedede solid 0.0625rem;
}

.nav-container a:link,
.nav-container a:visited {
  color: black;
  text-decoration: none;
}

.nav-left {
  width: 75%;
  height: 4.3125rem;
  display: flex;
  flex-flow: row nowrap;
  justify-content: center;
  align-items: center;
  padding: 0;
  margin: 0;
  text-align: left;
}

.nav-left-margin {
  margin: 0 0.625rem;
}

.logo {
  margin: 0 0.625rem 0 1.25rem;
}

.nav-left a,
.nav-container button {
  transition-duration: 0.5s;
  padding: 0.5rem;
  line-height: 3rem;
  font-family: var(--main-text-font);
  font-weight: lighter;
  font-size: 0.9375rem;
}

.nav-left a:hover,
.dropdown-content a:hover,
.nav-left .dropdownbtn:hover {
  color: rgb(17, 109, 255);
}

.nav-right {
  width: 25%;
  height: 4.3125rem;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 3;
}

.nav-right > button {
  border: rgb(17, 109, 255) solid 0.0625rem;
  color: rgb(17, 109, 255);
  cursor: pointer;
  width: 8rem;
  height: 2.5rem;
  text-decoration: none;
  border-radius: 1.25rem;
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  font-weight: 500;
}

.nav-right > button:hover {
  transition: border-color 0.4s ease 0s, background-color 0.4s ease 0s;
  color: white;
  background-color: rgb(17, 109, 255);
}

.nav-right span {
  margin: 0;
  padding: 0;
  font-weight: 500;
}

.logo {
  height: 1.75rem;
  width: 4.5rem;
}

.dropdownbtn {
  border: none;
  background-color: transparent;
  cursor: pointer;
}

.dropdown-content {
  display: none;
  background-color: white;
  position: absolute;
  top: 4rem;
  transition: all 0.5s ease;
}

.dropdown-content a {
  display: block;
  line-height: 1.9375rem;
  font-weight: lighter;
  font-family: var(--main-text-font);
}

.dropdown:hover .dropdown-content {
  display: block;
  white-space: nowrap;
}

.dropdown:hover {
  position: relative;
  display: inline-block;
  /* slefnote: these enable dropdown menu not disappear quickly */
}

.dropdownbtn.language {
  display: flex;
  align-items: center;
  font-weight: 300;
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  margin: 0 1.25rem 0 0;
}

.nav-right a {
  padding: 0.5rem;
}

.slide1 {
  display: flex;
  flex-flow: column nowrap;
  align-items: center;
  justify-content: space-evenly;
  height: 26.875rem;
  padding: 1.875rem 0 2.8125rem 0;
  background-color: #fafafa;
  width: 100%;
  height: 30.4375rem;
}

.slide1 h5 {
  text-align: center;
  font-weight: 400;
  letter-spacing: 0;
  width: 42.5rem;
}
.slide1 button {
  border: 0.0625rem solid rgb(17, 109, 255);
  background-color: rgb(17, 109, 255);
  border-radius: 1.875rem;
  font-family: var(--main-text-font);
  width: 12.125rem;
  height: 3.5rem;
  cursor: pointer;
  color: #ffffff;
  font-size: 1.5rem;
  font-weight: 300;
  margin-top: 0.625rem;
}

.slide2 {
  width: 100%;
  display: flex;
  align-items: center;
  position: relative;
  background-color: #fafafa;
}

.slide2-1 {
  z-index: 2;
  margin-top: 3.125rem;
  margin-left: -3.5rem;
  display: inline-block;
  animation: show-up ease-in-out 2s;
}

.slide2-2 {
  position: absolute;
  z-index: 2;
  top: 5.6rem;
  left: 15.5rem;
  display: inline-block;
  animation: slide2-2-translate ease-in-out 2s;
}

.slide2-3 {
  position: absolute;
  z-index: 1;
  top: 0;
  left: 10%;
}

.slide2-4 {
  position: absolute;
  z-index: 2;
  top: 3.125rem;
  left: 57.2rem;
  display: inline-block;
  animation: slide2-4-translate ease-in-out 2s;
}

.slide2-5 {
  position: absolute;
  z-index: 2;
  top: 1.68rem;
  left: 65.3rem;
  display: inline-block;
  overflow: hidden;
  animation: show-up ease-in-out 2s;
}

.blue-card {
  background-color: #14348e;
  display: flex;
  color: white;
  padding-top: 14.375rem;
  padding-bottom: 6.8125rem;
  margin-top: 8.1rem;
}

.blue-card h2,
.blue-card h3,
.blue-card h5 {
  text-align: left;
}

.blue-card h3 {
  margin-top: 2.5rem;
  border-bottom-width: 0.125rem;
  border-bottom-style: solid;
  padding: 0 0 0.125rem 0;
}

.blue-card .left-hand {
  padding-bottom: 5.625rem;
  padding-left: 2.5rem;
}

.blue-card .right-hand {
  padding-right: 1.875rem;
  padding-left: 2.5rem;
}

.blue-card a,
.green-card a {
  align-items: baseline;
  display: flex;
  text-decoration: none;
}

.left-hand {
  width: 50%;
}

.right-hand {
  width: 50%;
}

.arrow {
  height: 100%;
  width: 1.375rem;
  margin-left: 0.625rem;
}

.green-card {
  display: flex;
  color: white;
}

.green-card .left-hand {
  background-color: #035946;
  padding: 6.25rem 0 8.125rem 0;
  width: 52%;
}

.green-card-container {
  display: flex;
  padding: 4.6875rem 3.4375rem 0 3.4375rem;
}
.green-card .row1 {
  margin-right: 0.9375rem;
  width: 44%;
}

.green-card .row2 {
  margin-right: 0.9375rem;
  width: 56%;
}

.green-card h2 {
  padding: 0 8.125rem 0 3.4375rem;
  line-height: 1.2em;
}

.green-card h3 {
  margin-left: 3.4375rem;
  margin-top: -1.25rem;
  border-bottom-width: 0.125rem;
  border-bottom-style: solid;
  padding: 0 0 0.125rem 0;
}

.green-card h4 {
  padding: 0.625rem 0 0.3125rem 0;
}

.green-card h5 {
  text-align: left;
  padding-left: 3.4375rem;
}

.green-card p {
  font-weight: lighter;
  font-size: 0.9375rem;
}

.green1,
.green2,
.green3,
.green4 {
  padding: 0.625rem 0 4.375rem 0;
  border-top: solid 0.0625rem white;
  height: 50%;
}

.green-card .right-hand {
  background: linear-gradient(180deg, #f5f5f5 50%, #eeeeee 50%);
  display: flex;
  padding-top: 5rem;
  padding-left: 2.6875rem;
  align-items: center;
  justify-content: center;
}

.white-card {
  display: flex;
  align-items: center;
  padding: 8.75rem 0 8.75rem 0;
}

.white-card .left-hand {
  display: flex;
  justify-content: center;
}

.white-card .right-hand {
  display: flex;
  flex-flow: column;
  color: black;
}

.white-btn:hover h3 {
  border-bottom-width: 0.125rem;
  border-bottom-style: solid;
}

.white-card h3 {
  border-bottom-width: 0.125rem;
  border-bottom-style: solid;
  padding: 0 0 0.125rem 0;
}

.white-card a {
  display: flex;
  text-decoration: none;
}

.white-card h5 {
  padding: 3.5rem 5.625rem 2.5rem 0;
  text-align: start;
  font-weight: 400;
  letter-spacing: normal;
}

.main-btn:hover {
  background-color: rgb(79, 123, 251);
}

.blue-btn:hover {
  color: rgb(220, 224, 237);
}

.green-btn:hover {
  color: rgb(221, 229, 226);
}

.white-btn:hover,
.dropdownbtn.language:hover {
  /* slefnote:  color: rgb(64, 109, 251); changing color for svg needs the "filter" attribute, instead of "color" */
  filter: invert(34%) sepia(84%) saturate(1714%) hue-rotate(214deg)
    brightness(97%) contrast(102%);
}