index.css

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

:root {
  --bg-color: #ff4820;
  --gradient-text: linear-gradient(89.97deg, #ae67fa 1.84%, #f49867 102.67%);
}

html,
body {
  width: 100%;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  font-family: Manrope, sans-serif;
  background: #040c18;
  position: relative;
  color: #fff;
}

body::before {
  content: "";
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  position: absolute;
  background: #040c18;
  background: -moz-radial-gradient(circle at 30px 30px, rgb(0, 40, 83) 5%, rgb(4, 12, 24) 20%);
  background: -webkit-radial-gradient(circle at 30px 30px, rgb(0, 40, 83) 5%, rgb(4, 12, 24) 20%);
  background: radial-gradient(circle at 30px 30px, rgb(0, 40, 83) 5%, rgb(4, 12, 24) 20%);
}

section,
footer {
  position: relative;
}

section[id] {
  scroll-margin-top: 10px;
}

button {
  cursor: pointer;
  color: white;
}

.container {
  max-width: 1170px;
  margin: auto;
  padding: 1em;
}

.text--gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text--early-access {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.87rem;
  text-decoration: none;
  color: #ff8a71;
}

.text--early-access:hover {
  text-decoration: underline;
}

.text--early-access--blue {
  color: #71e5ff;
}

/* #region Header */
.header {
  padding: 2em 1em 1em;
  position: relative;
}

.header__logo {
  width: 62px;
}

.header .container {
  display: flex;
  align-items: baseline;
}

.header__nav {
  width: 100%;
  position: relative;
}

.header__right {
  display: flex;
  justify-content: flex-end;
  flex: 1;
}

.header__left {
  position: fixed;
  top: 0;
  right: -100%;
  height: 100%;
  z-index: 5;
  transition: right 250ms;
  background: #254467;
}

.header__menu {
  padding: 1em 5em 0 1em;
}

.header__left.header__left--active {
  right: 0;
}

.header__menu li {
  list-style-type: none;
  margin: 1em 0;
}

.close {
  display: block;
  font-weight: bold;
  cursor: pointer;
  font-size: 2rem;
  margin-top: 0;
  text-align: right;
  margin: 0.5em 1em 0;
}

.header__menu a {
  font-weight: 500;
  font-size: 1.12rem;
  text-decoration: none;
  color: #fff;
}

.header__menu a:hover {
  text-decoration: underline;
}

.header__nav__user-action {
  display: none;
}

.header__nav__sign-in,
.header__nav__sign-up {
  border: none;
  background-color: transparent;
  padding: 0.6em 1em;
  font-weight: 500;
  font-size: 1.12rem;
}

.header__nav__sign-up {
  background: var(--bg-color) !important;
  border-radius: 4px;
}

.header__menu .header__nav__sign-in {
  margin-top: 2em;
}

.header__nav__toggle {
  background-color: transparent;
  border: none;
  font-weight: bold;
}

/* #endregion*/

/* #region Hero */
.hero {
  overflow: hidden;
  z-index: 3;
}

.hero__title,
.blog__title,
.footer__hero__title {
  font-size: 3rem;
  line-height: 4rem;
  letter-spacing: -0.04em;
}

.hero__text {
  font-size: 1.25rem;
  color: #81afdd;
  padding: 1em 0;
  line-height: 1.6rem;
}

.hero__get-started {
  display: flex;
}

.hero__get-started input {
  background: #052d56;
  border: 0;
  width: 100%;
  border-top-left-radius: 5px;
  border-bottom-left-radius: 5px;
  padding: 1.5em 1em;
  outline: none;
  color: #fff;
  caret-color: #fff;
  font-size: 1rem;
  font-weight: 400;
}

.hero__get-started input::placeholder {
  color: #3d6184;
  font-size: 1rem;
  font-weight: 400;
}

.hero__get-started button {
  background: var(--bg-color);
  border: solid solid var(--bg-color);
  border-top-right-radius: 5px;
  border-bottom-right-radius: 5px;
  padding: 0 1em;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

.hero__access-request {
  margin-top: 1em;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.hero__access-request img {
  width: 12em;
  margin: 1em 1em 1em 0;
  font-weight: 500;
}

.hero__access-request p {
  font-size: 0.75rem;
}

.hero__right img {
  width: 100%;
  margin: 1em 0;
}

.hero__companies {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

.hero__companies span {
  background-image: url("assets/images/companies.png");
  background-repeat: no-repeat;
  width: 104px;
  height: 26px;
  margin: 1em;
  cursor: pointer;
}

.hero__companies--google {
  background-position: -5px -145px;
  height: 40px !important;
}

.hero__companies--slack {
  background-position: -5px -69px;
}

.hero__companies--atlassian {
  background-position: -5px -36px;
}

.hero__companies--shopify {
  background-position: -5px -105px;
  height: 30px !important;
}

.hero__companies--dropbox {
  background-position: -5px 0;
}

/* #endregion */

/* #region What is GPT-3 */
.what-is-gpt3 .container,
.what-is-gpt3__header {
  display: flex;
}

.what-is-gpt3 .container {
  position: relative;
  overflow: hidden;
}

.what-is-gpt3 .container div {
  z-index: 3;
}

.what-is-gpt3 .container::before,
.what-is-gpt3 .container::after {
  content: "";
  position: absolute;
  z-index: 1;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  pointer-events: none;
}

.what-is-gpt3 .container::before {
  background: -moz-radial-gradient(circle at 0 0, rgba(27, 120, 222, 0.6) -20%, rgba(4, 44, 84, 0) 15%);
  background: -webkit-radial-gradient(circle at 0 0, rgba(27, 120, 222, 0.6) -20%, rgba(4, 44, 84, 0) 15%);
  background: radial-gradient(circle at 0 0, rgba(27, 120, 222, 0.6) -20%, rgba(4, 44, 84, 0) 15%);
}

.what-is-gpt3 .container::after {
  background: -moz-radial-gradient(circle at 100% 100%, rgba(27, 120, 222, 0.6) -20%, rgba(4, 44, 84, 0) 15%);
  background: -webkit-radial-gradient(circle at 100% 100%, rgba(27, 120, 222, 0.6) -20%, rgba(4, 44, 84, 0) 15%);
  background: radial-gradient(circle at 100% 100%, rgba(27, 120, 222, 0.6) -20%, rgba(4, 44, 84, 0) 15%);
}

.what-is-gpt3 {
  padding: 1em;
}

.what-is-gpt3 .container {
  flex-direction: column;
  background: #042c54;
  box-shadow: 0px 4px 4px 0px #00000040;
  padding: 1em;
}

.what-is-gpt3__header {
  margin: 3em 0;
  justify-content: space-between;
  flex-wrap: wrap;
  align-items: center;
}

.what-is-gpt3__header__title {
  font-size: 2.12rem;
  line-height: 2.8rem;
  font-weight: 800;
}

.what-is-gpt3__header__explore {
  font-weight: 1rem;
  line-height: 1.87rem;
  color: #ff8a71;
  text-decoration: none;
  text-align: right;
}

.card {
  margin-top: 1em;
}

.card__title {
  position: relative;
  font-weight: 800;
  line-height: 4.6rem;
  letter-spacing: -0.04em;
}

.card__title::before {
  content: "";
  position: absolute;
  width: 38px;
  height: 3px;
  top: 0;
  left: 0;
  background: var(--gradient-text);
}

.card p {
  color: #81afdd;
  font-size: 1rem;
  line-height: 1.87rem;
  font-weight: 500;
}

.card--small {
  margin-top: 2em;
}

.card--small .card__title {
  font-size: 1.12rem;
  line-height: 1.5rem;
  margin-bottom: 0.8em;
}

.card--small .card__title::before {
  top: -6px;
}

.card--small p {
  font-size: 0.87rem;
  line-height: 1.5rem;
}
/* #endregion  */

/* #region Feature */
.feature .container,
.feature__hero {
  display: flex;
  flex-wrap: wrap;
}

.feature::before {
  content: "";
  position: absolute;
  left: -40%;
  right: 0;
  top: -70%;
  bottom: 0;
  z-index: -1;
  background: -moz-radial-gradient(circle at 30% 50%, rgba(27, 120, 222, 0.3) -10%, rgba(4, 12, 24, 1) 30%);
  background: -webkit-radial-gradient(circle at 30% 50%, rgba(27, 120, 222, 0.3) -10%, rgba(4, 12, 24, 1) 30%);
  background: radial-gradient(circle at 30% 50%, rgba(27, 120, 222, 0.3) -10%, rgba(4, 12, 24, 1) 30%);
}

.feature {
  position: relative;
}

.feature .container {
  position: relative;
}

.feature__title {
  font-size: 2.12rem;
  font-weight: 800;
  line-height: 2.81rem;
  margin-bottom: 1.2em;
}

.feature__left__early-access {
  margin: 1.5em 0;
}

.feature__hero__left {
  align-self: flex-end;
  position: relative;
}

.feature__hero__left img {
  width: 100%;
}

.feature__hero__right {
  margin-top: 3em;
}

.feature__hero__right .feature__title {
  margin: 0.2em 0 1em 0;
}

.feature__hero__text {
  font-size: 1rem;
  line-height: 1.87rem;
  color: #81afdd;
  margin: 1em 0;
}
/* #endregion */

/* #region CTA */
.cta {
  padding: 5em 1em;
}

.cta .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  background: var(--gradient-text);
  padding: 2em;
  border-radius: 0.5em;
}

.cta__content {
  margin-bottom: 1.5em;
}

.cta .text--early-access {
  font-size: 0.75rem;
  line-height: 1.87rem;
  color: #000;
  font-weight: 500;
  display: inline;
}

.cta__title {
  color: #000;
  font-size: 1.5rem;
  font-weight: 800;
}

.cta button {
  padding: 0.5em 2em;
  background: #000;
  border: solid 2px #000;
  border-radius: 2em;
  font-size: 1.12rem;
  line-height: 1.87rem;
  align-self: center;
  transition-property: background-color, color;
  transition-duration: 200ms;
}

.cta button:hover {
  background-color: transparent;
  color: #000;
}
/* #endregion */

/* #region Blog */
.blog .container {
  display: grid;
  grid-gap: 2em;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.blog__title {
  grid-column: 1 / -1;
}

.blog-post__content {
  background: #042c54;
  padding: 1.5em;
  margin-top: -0.4em;
}

.blog-post__date,
.blog-post__link {
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 2.12rem;
}

.blog-post__title {
  font-size: 1.2rem;
  line-height: 1.87rem;
  font-weight: 800;
  margin-bottom: 2em;
}

.blog-post__link {
  text-decoration: none;
  color: #fff;
}

.blog-post__image {
  width: 100%;
  height: 130px;
  margin: 0;
  object-fit: cover;
}
/* #endregion */

/* #region Footer */
.footer {
  background: #031b34;
  margin-top: 1em;
  padding: 5em 0 1em 0;
  overflow: hidden;
}

.footer__hero {
  text-align: center;
  margin-bottom: 3em;
}

.footer__hero button {
  border: solid 1px #fff;
  font-size: 1.12rem;
  line-height: 1.3rem;
  background: transparent;
  padding: 1em;
  margin-top: 3em;
  transition-property: background-color, color;
  transition-duration: 250ms;
}

.footer__hero button:hover {
  background-color: #fff;
  color: #000;
}

.links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.links__col {
  margin: 2em;
  flex: 1;
}

.links__col__icon {
  margin-bottom: 1em;
}

.links__col__title {
  font-size: 0.87rem;
  margin: 1.5em 0;
}

.links__col__list li {
  list-style-type: none;
  margin-bottom: 1em;
}

.links__col__list a,
.footer__copy {
  font-size: 0.75rem;
  line-height: 0.87rem;
  text-decoration: none;
  color: #fff;
}

.links__col__list a:hover {
  text-decoration: underline;
}

.footer__copy {
  text-align: center;
  margin: 1em;
}

/* #endregion */

/* #region Animation */
.hero--anim-up,
.card__title,
.card__title + p,
.move-up,
.blog-post,
.text--early-access,
.what-is-gpt3--anim-fade-in {
  opacity: 0;
}

.card__title,
.card__title + p,
.move-up,
.blog-post,
.hero--anim-up {
  transform: translateY(100px);
  will-change: transform;
}

.hero--anim-up {
  clip-path: polygon(0 100%, 100% 100%, 100% 100%, 0% 100%);
}

.text--early-access {
  display: block;
  transform: scale(0);
}

[class*="anim-"] {
  animation-duration: 1s;
  animation-timing-function: cubic-bezier(0.250, 0.460, 0.450, 0.940);
  animation-fill-mode: forwards;
}

.anim-slide-up {
  animation-name: slide-up;
}

.anim-fade-in {
  animation-name: fade-in;
}

.anim-move-up {
  animation-name: move-up;
}

.anim-zoom {
  animation-name: zoom;
}

@keyframes slide-up {
  to {
    clip-path: polygon(0% 100%, 100% 100%, 100% 0%, 0% 0%);
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  to {
    opacity: 1;
  }
}

@keyframes move-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes zoom {
  to {
    transform: scale(1);
    opacity: 1;
  }
}
/* #endregion */

/* #region Responsive */
@media screen and (min-width: 700px) {
  .hero {
    padding: 0 1em;
  }

  .header__nav__user-action {
    display: block;
  }

  .header__nav {
    align-items: center;
  }

  .header__nav__toggle {
    margin-left: 2em;
  }

  .header__nav,
  .hero__flex {
    display: flex;
    justify-content: flex-end;
  }

  .hero__flex {
    display: flex;
    align-items: center;
  }

  .header__menu .header__menu-button {
    display: none;
  }

  .hero__left {
    flex: 1;
  }

  .hero__right {
    width: 50%;
  }

  .hero__companies {
    margin: 4em 0 1em 0;
  }
}

@media screen and (min-width: 768px) {
  .what-is-gpt3 .container {
    padding: 2em;
  }

  .card--group,
  .card,
  .feature__content {
    display: flex;
  }

  .card--group .card {
    flex-direction: column;
    margin-right: 1.5em;
  }

  .card--group .card:last-child {
    margin-right: 0;
  }

  .card {
    justify-content: space-between;
  }

  .card__title,
  .feature__content__left {
    flex: 1;
  }

  .card p {
    flex: 3;
  }

  .card--small p {
    margin-left: 1em;
  }

  .what-is-gpt3__header,
  .feature__content__right,
  .feature__hero {
    flex-wrap: nowrap;
  }

  .what-is-gpt3__header__explore {
    flex-shrink: 0;
    margin-left: 2em;
  }

  .feature__content__left {
    padding: 1em;
  }

  .feature__content__right {
    flex: 2;
    margin-left: 1em;
  }

  .feature__content__right .card {
    margin-right: 0.5em;
  }

  .feature__hero__right {
    padding: 1em;
    align-self: center;
  }

  .blog {
    padding: 1em;
  }
}

@media screen and (min-width: 968px) {
  .blog,
  .feature,
  .cta,
  .what-is-gpt3 {
    padding: 2em;
  }

  .header__nav__toggle,
  .close {
    display: none;
  }

  .header__logo {
    margin-right: 1em;
  }

  .header__left {
    position: static;
    background-color: transparent;
  }

  .header__menu {
    width: 100%;
    padding: 0 1em;
  }

  .header__menu li {
    display: inline;
    margin: 0 1em !important;
  }

  .header__right {
    margin-right: 0;
    margin-left: auto;
  }

  .hero__access-request {
    flex-wrap: nowrap;
  }

  .what-is-gpt3__header__explore {
    margin-left: 30%;
  }

  .feature__hero__left {
    flex: 1.2;
    padding: 5em;
  }

  .feature__hero__right {
    flex: 1;
  }

  .footer {
    padding: 2em;
  }
}

@media screen and (min-width: 1024px) {
  .header__nav__sign,
  .header__nav__sign-up {
    padding: 0.8em 2em;
  }

  .hero__title,
  .blog__title,
  .footer__hero__title {
    font-size: 3.8rem;
    line-height: 4.6rem;
  }

  .card--small p {
    margin-left: 5em;
  }

  .footer__hero__title {
    margin: 0 2em;
  }

  .links .links__col:first-child {
    flex: 2;
    margin-left: 0;
    margin-right: 4em;
  }

  .links .links__col:first-child p {
    margin-right: 2em;
  }
}

@media screen and (min-width: 1440px) {
  body {
    font-size: 18px;
  }

  .feature__content__right {
    margin-left: 4em;
  }

  .blog .container {
    grid-template-columns: repeat(4, 250px);
    justify-content: center;
  }

  .blog-post--primary {
    grid-column: span 2 / span 2;
    grid-row: span 2 / span 2;
  }

  .blog-post--primary .blog-post__image,
  .blog-post--primary .blog-post__content {
    height: 50%;
  }

}
/* #endregion */