:root {
  --white: #ffffff;
  --blue-50: #ade8ff;
  --blue-100: #9ab0cb;
  --blue-150: #83bed7;
  --blue-200: #004d80;
  --blue-300: #132332;
  --blue-400: #17222e;
  --red: #cb131b;
  --green: #5ed434;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Sansation", sans-serif;
}
html {
  font-size: 16px;
}
body {
  line-height: 1.2;
  color: var(--white);
}
h1 {
  font-size: 6.5rem;
  text-transform: uppercase;
}
h1 + p {
  font-size: 3em;
  color: var(--blue-100);
  text-transform: uppercase;
  margin-top: 2rem;
}
h2 {
  font-size: 3em;
  line-height: 1.5;
  text-transform: uppercase;
}
h2 > span {
  color: var(--blue-300);
}
h3 {
  font-size: 2em;
  margin-bottom: 0.7em;
}
p,
li {
  font-weight: 400;
  font-size: 1.25rem;
  line-height: 1.2;
}
p + p,
p + ul {
  margin-top: 1.5em;
}
img {
  max-width: 100%;
  height: auto;
}
form > div {
  display: flex;
  gap: 1.5em;
  justify-content: flex-end;
}
form > .row {
  margin-bottom: 1.5em;
}
input,
textarea {
  font-size: 1.15em;
  padding: 0.75em;
  background: transparent;
  border: 2px solid var(--blue-150);
  border-radius: 3px;
  color: var(--white);
  width: 100%;
  font-family: "Sansation", sans-serif;
  outline: none;
}
textarea {
  resize: none;
}
input::placeholder,
textarea::placeholder {
  color: var(--grey-50);
}
input:focus,
textarea:focus {
  border-color: var(--blue-50);
}
button {
  font-weight: 700;
  font-size: 1.2em;
  padding: 0.75em 1.5em;
  background: var(--white);
  color: var(--blue-300);
  border: none;
  border-radius: 3px;
  cursor: pointer;
  align-self: flex-end;
  transition: 0.3s ease;
  width: 100%;
}
button:hover {
  box-shadow: 0px 0px 15px 5px rgba(255, 255, 255, 0.2);
}
figure {
  font-size: 0;
}
ul {
  list-style: none;
}
ul > li:not(:last-child) {
  margin-bottom: 1.5rem;
}
ul > li > p:first-of-type {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1.125rem;
}
ul > li > p:first-of-type::before {
  content: "";
  display: inline-block;
  min-width: 1.125rem;
  height: 1.125rem;
  border-radius: 50%;
  background-color: var(--blue-100);
  vertical-align: middle;
}
ul.dark {
  color: var(--blue-100);
}
ul.dark > li > p:first-of-type::before {
  background-color: var(--blue-200);
}
ul + * {
  margin-top: 1.5em;
}

li > ul {
  flex: 1 0 auto;
  padding-left: 1.5em;
}
li > ul > li > p:first-of-type::before {
  background-color: transparent;
  border: 2px solid var(--blue-100);
}
section {
  padding: 4.5em 1.25em;
}
main > section:nth-child(odd) {
  background-color: rgba(19, 35, 50, 1);
}

main > section:nth-child(even) {
  background-color: rgba(19, 35, 50, 0.9);
}

header {
  text-align: center;
  padding: 20em 1em;
  background-color: var(--blue-300);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.language-selector {
  position: absolute;
  top: 3em;
  display: flex;
  gap: 1em;
}
.language-selector a {
  color: #fff;
  opacity: 0.45;
  font-size: 1.5em;
  text-decoration: none;
  position: relative;
}
.language-selector a:not(.active):hover {
  opacity: 0.8;
}
.language-selector a::after {
  content: "";
  display: none;
  width: 100%;
  height: 2px;
  background: var(--blue-150);
  position: absolute;
  bottom: -0.2em;
}

.language-selector a.active {
  opacity: 1;
}
.language-selector a.active::after {
  display: block;
}

.banner {
  position: absolute;
  max-width: 25rem;
}
.banner--tl {
  top: 0;
  left: 0;
}
.banner--tr {
  top: 7%;
  right: 5%;
}
.banner--bl {
  bottom: 7%;
  left: 5%;
}
.banner--br {
  bottom: 0;
  right: 0;
}

footer {
  padding: 1.5em 1.25em;
  text-align: center;
  background-color: var(--blue-400);
}

.logo {
  margin-bottom: 2.25em;
}
.logo,
.logo-footer {
  margin-bottom: 1rem;
}
.logo-footer > img {
  width: 50px;
}
.container {
  max-width: 1240px;
  margin: 0 auto;
}
.section-header {
  margin-bottom: 2.5em;
}
* + .section-header {
  margin-top: 2.25em;
}
.section-header:last-child {
  margin-bottom: 0;
}
.section-header p {
  font-size: 1.5em;
  line-height: 1.3;
  color: var(--blue-100);
}
.container-columns + .container-columns {
  margin-top: 2.25em;
}
.container-columns {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  gap: 5rem;
}
.container-columns--centered {
  align-items: center;
}
.container-columns > * {
  flex: 1;
  width: 100%;
}
.container-columns figure {
  border-radius: 5px;
  overflow: hidden;
}
.center {
  text-align: center;
}
.align-start {
  align-items: flex-start;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}
.submitBtn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.spinner {
  position: absolute;
  width: 1.5em;
  height: 1.5em;
  border: 0.35em solid var(--blue-300);
  border-bottom-color: var(--blue-100);
  border-radius: 50%;
  right: 1em;
  animation: spinner 1s linear infinite;
  transition: 0.3s ease;
  opacity: 0;
}
.submitBtn.loading .spinner {
  opacity: 1;
}
.message-box {
  display: none;
  background: var(--blue-100);
  color: var(--navy);
  padding: 1em;
  border-radius: 3px;
  margin-top: 1.5em;
  text-align: center;
  justify-content: left;
  font-size: 2.25em;
}
.address {
  color: var(--blue-100);
  font-size: 0.875em;
}
.intro .section-header {
  margin: 0;
  max-width: none;
}
.intro-description {
  max-width: 520px;
}
.email-qr {
  max-width: 200px;
  margin-left: auto;
}
.email-qr > svg {
  width: 100%;
}
#contactForm {
  max-width: 600px;
}

@keyframes spinner {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@media screen and (max-width: 1024px) {
  html {
    font-size: 12px;
  }
  .container-columns {
    flex-direction: column;
    gap: 5em;
  }
  .why-us {
    flex-direction: column;
    text-align: center;
  }
  main > section:nth-child(odd) .container-columns {
    flex-direction: column-reverse;
  }
  main > section .container-columns.column-mobile {
    flex-direction: column;
  }
  main > section .container-columns.column-reverse-mobile {
    flex-direction: column-reverse;
  }
  #contactForm {
    margin: 0 auto;
  }
}

@media screen and (max-width: 768px) {
  html {
    font-size: 16px;
  }
  h1 {
    font-size: 4.5em;
  }
  h1 + p {
    font-size: 3em;
  }
  h2 {
    font-size: 2.5em;
  }
  p,
  li {
    font-size: 1.75rem;
  }
  .container-columns {
    gap: 2em;
  }
  section {
    padding: 2.5em 1.25em;
  }
  .section-header.section-header--horizontal {
    flex-direction: column;
    border: none;
    padding: 0;
  }
  .section-header.section-header--horizontal::after {
    display: block;
  }
  .section-header h2.text-left {
    text-align: center;
  }
  .intro .section-header::after {
    display: none;
  }
  .section-header p {
    font-size: 2em;
  }
  .container-columns > * {
    width: 100%;
  }
  .container-columns figure > img {
    width: 100%;
  }
}

@media screen and (max-width: 668px) {
  html {
    font-size: 12px;
  }
  h2 br {
    display: none;
  }
  .banner {
    max-width: 15rem;
  }
  .banner--tr {
    top: 20%;
    right: 5%;
  }
  .banner--bl {
    bottom: 20%;
    left: 5%;
  }
}

@media screen and (max-width: 480px) {
  .bordered::after,
  h2:not(.bordered)::after {
    height: 0.25rem;
    margin: 1.5rem auto;
  }
  .progress-list {
    padding-left: 1.5em;
  }
  .progress-list > li:not(:last-child) {
    margin-bottom: 1.5em;
  }
  footer .container {
    padding: 1.25em;
  }
}
@media screen and (max-width: 430px) {
  form > div {
    flex-direction: column;
  }
}
