h2,
h3,
h4,
h5,
h6,
p,
a {
  margin: 0;
}

p:last-child {
  margin-bottom: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: currentColor;
  text-decoration: none;
}

/*mob*/
.about-us {
  background-color: #dfebeb;
  padding: 64px 16px;
}

.about-us-title {
  font: 400 40px / 1.2 "Cabin", sans-serif;
  letter-spacing: 0.01em;
  text-align: center;
  color: #0d0b0a;
}

.about-us-paragraph {
  font: 400 16px / 1.6 "Sarabun", sans-serif;
  text-align: center;
  color: #0d0b0a;
  padding-top: 20px;
  padding-bottom: 48px;
}

.about-us-list {
  display: flex;
  flex-direction: column;
  gap: 48px;
  padding-bottom: 48px;
}

.about-us-list-item-title {
  font: 400 24px / 1.4 "Cabin", sans-serif;
  letter-spacing: 0.01em;
  text-align: center;
  color: #0d0b0a;
  padding-bottom: 20px;
}

.about-us-list-item-paragraph {
  font: 400 16px / 1.6 "Sarabun", sans-serif;
  text-align: center;
  color: #0d0b0a;
}

.about-us-join-btn {
  font: 500 16px / 1.6 "Sarabun", sans-serif;
  color: #0d0b0a;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 100px;
  height: 46px;
  background-color: #c2d9fc;
  width: 100%;
  max-width: 343px;
  margin: 0 auto;
}

.about-us-join-btn:hover,
.about-us-join-btn:focus {
  background: #c2d9fc;
  opacity: 0.5;
}

.btn-now {
  display: none;
}

/*tablet*/
@media screen and (min-width: 768px) {
  .about-us {
    background-color: #f2fafa;
    padding-left: 32px;
    padding-right: 32px;
    padding-bottom: 40px;
  }

  .about-us-title {
    font: 400 40px / 1.2 "Cabin", sans-serif;
  }

  .about-us-paragraph {
    font: 400 18px / 1.6 "Sarabun", sans-serif;
    padding-top: 24px;
    padding-bottom: 48px;
  }

  .about-us-list {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 24px;
  }

  .about-us-list-item {
    flex-basis: calc((100% - 24px) / 2);
    text-align: center;
    padding-bottom: 22px;
  }

  .about-us-list-item-title {
    padding-bottom: 0;
  }

  .about-us-join-btn {
    margin-top: 16px;
    width: 110px;
  }

  .btn-now {
    display: inline;
  }
}

/*desctop*/
@media screen and (min-width: 1336px) {
  .about-us {
    padding: 112px 64px;
  }

  .about-us-list {
    flex-direction: row;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 40px;
  }

  .about-us-list-item {
    flex-basis: calc((100% - 72px) / 4);
    text-align: center;
    padding-bottom: 22px;
  }

  .about-us-paragraph {
    padding-bottom: 40px;
  }

  .about-us-join-btn {
    margin-top: 0;
    width: 110px;
  }
}