@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display&display=swap');

:root {
  --dark-Violet: hsl(256, 26%, 20%);
  --grayish-Blue: hsl(216, 30%, 68%);
  --very-Dark-Violet: hsl(270, 9%, 17%);
  --dark-Grayish-Violet: hsl(273, 4%, 51%);
  --very-Light-Gray: hsl(0, 0%, 98%);
}

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

html {
  font-size: 16px;
}

body {
  font-family: 'DM Serif Display', serif;
  min-height: 100vh;
  max-width: 390px;
  margin: 0 auto;
  position: relative;
}

h1,
h2,
h3,
h4,
h5,
p {
  opacity: 0.9;
}

li {
  list-style: none;
  text-transform: uppercase;
  cursor: pointer;
}

.close__open {
  display: flex;
  position: relative;
  opacity: 0.8;
  cursor: pointer;
  transition: all 0.4s ease;
}

.close {
  display: none;
}

.open {
  display: flex;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 1rem 0.5rem;
}

.btn {
  padding: 0.7rem 1.2rem;
  background-color: transparent;
  color: var(--very-Light-Gray);
  border: 1px solid #fefefe;
  text-transform: uppercase;
  font-size: 0.85rem;
  opacity: 0.9;
}

.image {
  background: url(./images/image-intro-mobile.jpg) no-repeat;
  background-position: top left;
  background-size: cover;
  height: 70vh;
}

.mobile__nav {
  position: absolute;
  background: url(./images/bg-pattern-mobile-nav.svg) no-repeat;
  background-position: center;
  background-color: var(--very-Dark-Violet);
  width: 390px;
  height: 100vh;
  top: 3rem;
  left: 0;
  display: none;
}

.mobile__nav ul {
  margin-top: 3rem;
}

.mobile__nav ul li {
  text-align: center;
  margin-top: 2rem;
  color: #fefefe;
  letter-spacing: 2px;
  transition: all 0.4s ease;
}

.mobile__nav ul li:hover {
  border: 1px solid #fefefe;
  padding: 0.5rem 1rem;
  width: 60vw;
  margin: 2rem auto;
}

.desktop__view ul {
  display: none;
}

.hero__content {
  text-align: center;
  background: url(./images/bg-pattern-intro-left-mobile.svg) no-repeat;
  background-color: var(--dark-Violet);
  color: var(--very-Light-Gray);
  position: relative;
}

.hero__content::after {
  content: '';
  background: url(./images/bg-pattern-intro-right-mobile.svg) no-repeat;
  position: absolute;
  height: 100vh;
  width: 30vw;
  top: 17rem;
  left: 14.5rem;
}

.hero__wrap {
  padding: 4.5rem 1.5rem;
}

.hero__wrap h1 {
  font-size: 3rem;
  line-height: 1;
  font-weight: 400;
  margin-bottom: 1rem;
  color: #fefefe;
}

.hero__wrap p {
  font-size: 1rem;
  padding: 0 1rem;
  opacity: 0.7;
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.different {
  margin-top: 10rem;
  text-align: center;
}

.different h2 {
  font-size: 2.5rem;
  margin-bottom: 5rem;
  position: relative;
  color: var(--dark-Violet);
}

.different h2::after {
  content: '';
  background: url(./images/bg-pattern-intro-right-mobile.svg) no-repeat;
  position: absolute;
  height: 2px;
  width: 45%;
  background-color: var(--dark-Grayish-Violet);
  top: -2rem;
  left: 7rem;
  opacity: 0.5;
}

.card {
  margin-bottom: 3.5rem;
}

.cards h3 {
  font-size: 1.5rem;
  margin: 1.5rem 0 1rem;
}

.cards p {
  padding: 0 1rem;
  color: var(--dark-Grayish-Violet);
}

.cta {
  text-align: center;
  height: 40vh;
  width: 65vw;
  margin: 0 auto;
  position: relative;
  background-color: var(--dark-Violet);
}

.cta::after {
  content: '';
  background: url(./images/bg-pattern-how-we-work-mobile.svg) no-repeat;
  background-size: contain;
  height: 40vh;
  width: 40vw;
  position: absolute;
  top: 0;
  left: 6rem;
}

.cta h3 {
  color: #fefefe;
  font-size: 2rem;
  margin-bottom: 0.5rem;
  padding: 3.5rem 2rem 1.5rem;
  font-weight: normal;
  line-height: 1;
}

footer {
  margin-top: 10rem;
  background-color: var(--very-Light-Gray);
}

.footer__logo {
  background: url(./images/bg-pattern-footer-mobile.svg) no-repeat;
  background-position: top;
  padding: 5rem 0 3rem;
}

.footer__logo > img {
  margin-left: 9rem;
}

.socials {
  margin-top: 1.5rem;
  margin-left: 8rem;
}

.socials img {
  margin-right: 1rem;
}

hr {
  width: 90%;
  margin: 0 auto;
  opacity: 0.5;
  margin-bottom: 3rem;
}

.footer__cards {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
}

.footer__card,
.footer__card h4 {
  margin-bottom: 2rem;
}

.footer__card h4 {
  text-transform: uppercase;
  color: var(--dark-Grayish-Violet);
  font-weight: normal;
  font-size: 0.8rem;
  letter-spacing: 2px;
}

.footer__card ul li {
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--very-Dark-Violet);
  letter-spacing: 2px;
}

.attribution {
  font-size: 0.8rem;
  text-align: center;
}
.attribution a {
  color: hsl(228, 45%, 44%);
}

@media (min-width: 768px) {
  body {
    max-width: 100vw;
    overflow-x: hidden;
  }

  header {
    width: 80vw;
    margin: 1.5rem auto;
    margin-right: 5.5rem;
  }

  .mobile__nav {
    display: none;
  }

  .desktop__view ul {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-left: 3rem;
  }

  .desktop__view ul li {
    color: var(--dark-Grayish-Violet);
    letter-spacing: 3px;
    word-spacing: 1px;
    font-size: 0.8rem;
  }

  .desktop__view ul li:hover {
    color: black;
  }

  .desktop__view ul li.border {
    border: 1.5px solid var(--very-Dark-Violet);
    padding: 0.65rem 1.2rem;
  }

  .desktop__view ul li.border:hover {
    background-color: var(--dark-Violet);
    color: var(--very-Light-Gray);
  }

  .hero {
    color: var(--very-Light-Gray);
    height: 85vh;
    position: relative;
    background-color: var(--dark-Violet);
  }

  .wrapper {
    margin: 0 auto;
    width: 80%;
    display: flex;
    align-items: center;
    flex-direction: row-reverse;
    text-align: left;
  }

  .hero::after {
    content: '';
    background: url(./images/bg-pattern-intro-right-desktop.svg) no-repeat;
    position: absolute;
    background-size: contain;
    height: 70vh;
    width: 30vw;
    top: 0;
    right: -5rem;
  }

  .hero::before {
    content: '';
    background: url(./images/bg-pattern-intro-left-desktop.svg) no-repeat;
    position: absolute;
    background-size: contain;
    height: 70vh;
    width: 30vw;
    bottom: -18rem;
    left: 0;
  }

  .image {
    background: url(./images/image-intro-desktop.jpg) no-repeat;
    background-size: cover;
    height: 85vh;
    width: 70%;
    position: relative;
    top: 6.5rem;
    left: 2.5rem;
  }

  .hero__content {
    text-align: left;
    background: none;
    background-color: none;
    color: var(--very-Light-Gray);
    width: 60vw;
  }

  .hero__wrap h1 {
    font-size: 4.5rem;
    margin: 1rem 0;
    position: relative;
  }

  .hero__wrap p {
    font-size: 1.05rem;
    padding: 0;
    line-height: 2;
    letter-spacing: 1.2px;
    font-family: serif;
  }

  .hero__content::after {
    background: none;
  }

  .different {
    margin: 20rem auto 5rem;
    text-align: left;
    width: 80vw;
  }

  .different h2 {
    font-size: 4rem;
    position: relative;
  }

  .hero__wrap h1::after,
  .different h2::after {
    content: '';
    position: absolute;
    height: 2px;
    width: 15%;
    background-color: var(--dark-Grayish-Violet);
    top: -2rem;
    left: 0;
    opacity: 0.5;
  }

  .hero__wrap h1::after {
    width: 30%;
    opacity: 1;
  }

  .cards {
    display: flex;
    align-items: center;
    justify-content: space-around;
    gap: 2rem;
  }

  .cards h3 {
    font-size: 1.8rem;
  }

  .cards p {
    padding: 0;
    color: var(--dark-Grayish-Violet);
  }

  .cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    width: 80vw;
    padding: 0.1rem 4rem;
    margin-top: 4rem;
  }

  .cta::after {
    content: '';
    background: url(./images/bg-pattern-how-we-work-desktop.svg) no-repeat;
    background-size: contain;
    height: 40vh;
    width: 40vw;
    position: absolute;
    top: 0;
    left: 38rem;
  }

  .cta h3 {
    font-size: 3rem;
    width: 50%;
  }

  footer {
    background-color: var(--very-Light-Gray);
    position: relative;
  }

  footer::after {
    content: '';
    background: url(./images/bg-pattern-footer-desktop.svg) no-repeat;
    background-size: contain;
    height: 40vh;
    width: 40vw;
    position: absolute;
    top: 0;
  }

  .footer__logo {
    background: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-right: 6rem;
    padding: 2rem;
  }

  .footer__logo > img {
    margin-left: 7rem;
  }

  .socials {
    margin-top: 1.5rem;
  }

  .socials img {
    margin-right: 1rem;
    cursor: pointer;
  }

  hr {
    width: 80%;
    margin-bottom: 2rem;
  }

  .footer__cards {
    justify-content: flex-start;
    flex-direction: row;
    text-align: left;
  }

  .footer__card {
    margin-left: 10rem;
  }

  .attribution {
    font-size: 1rem;
    text-align: center;
  }

  .close__open {
    display: none;
  }
}