* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-size: 18px;
  font-family: "Roboto";
}

a {
  text-decoration: none;
  font-size: 1rem;
  color: #e5e7eb;
}
li {
  list-style: none;
}

.first-container,
footer {
  background-color: #1f2937;
  color: #f9faf8;
}

/* ##########    Header    ############ */
header {
  display: flex;

  justify-content: space-between;
  padding: 1.2rem;
  position: sticky;
  top: -1px;
  background-color: #1f2937ec;

  backdrop-filter: blur(10px);
}
.logo-text {
  font-size: 1.5rem;
  color: #f9faf8;
  margin-left: 42px;
}

.right-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 1rem;
}

/* ##########    main    ############ */

/* ##########    First Container    ############ */

.first-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 100px;
  padding: 20px 50px 0 50px;
}
.first-content {
  align-self: center;
  width: 500px;

  font-size: 18px;
  text-align: left;
}
.main-img {
  max-width: 500px;
  height: 400px;
  flex-shrink: 1;
}

.main-heading {
  font-size: 48px;
  font-weight: 900;
  color: #f9faf8;
  padding-bottom: 20px;
}
.sign-up-button,
.fourth-container-button {
  background-color: #3882f6;
  border: 1px solid #1f2937;
  color: white;
  font-size: 20px;
  font-weight: 600;
  padding: 10px 30px;
  border-radius: 13px;
  margin-top: 20px;
}

/* ##########    second Container    ############ */

.second-container {
  display: flex;
  flex-direction: column;
  align-items: center;

  gap: 2rem;
  padding: 80px 50px 200px 50px;
}

.second-container-heading {
  font-size: 2rem;
  font-weight: 900;
  color: #1f2937;
}
.content-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 3rem;
  text-align: center;
}
.content {
  border: 5px solid #1f2937;
  border-radius: 10px;
  width: 200px;
  height: 200px;
}
.content img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  margin-bottom: 10px;
}

/* ##########    Third Container    ############ */

.third-container {
  background-color: #e5e7eb;
  display: flex;
  flex-direction: column;
}
.quote {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  font-size: 1.5rem;
  font-style: italic;
  font-weight: 300;
  color: #1f2937;
  padding: 2rem;
  text-align: left;
}
.author {
  font-size: 1.2rem;
  font-weight: 200;
  align-self: flex-end;
  margin-right: 0.6rem;
}

/* ##########    fourth Container    ############ */

.fourth-container {
  background-color: #3882f6;
  min-width: fit-content;
  margin: 10vw;
  padding: 5vw 10vw;
  border-radius: 10px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.fourth-container-content {
  font-size: 20px;
  color: white;

}
.fourth-container-button {
  border: 1px solid white;
  min-width: fit-content;
}

/* ##########    Footer    ############ */

footer {
  text-align: center;
  padding: 50px;
  font-size: 20px;
}