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

h1,
h2,
h3,
h4,
h5,
h6 {
  color: #333333;
}
p {
  color: #666666;
  font-size: 16px;
}

.about-hero {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: black;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 2s ease;
  transform: 2s ease;
}
.about-hero.animate {
  opacity: 1;
  transform: translateY(0);
}
.hero-picture-box {
  width: 40%;
  position: relative;
  overflow: hidden;
}
.hero-image {
  width: 100%;
  object-fit: cover;
}

.hero-text {
  position: absolute;
  color: white;
  text-align: center;
  z-index: 2;
}

.hero-text h1 {
  font-size: 2rem;
  margin: 2rem;
}

.hero-text p {
  font-size: 1.2rem;
  margin: 0;
}

.about-us {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 4rem 2rem 2rem;
}
.up-picture {
  max-width: 27rem;
  display: flex;
  justify-content: center;
}
.about-us-picture {
  width: 100%;
  object-fit: cover;
  transition: opacity 2s ease, transform 2s ease;
  opacity: 0;
  transform: translateX(100px);
}
.about-us-picture.slide-animation {
  transform: translateX(0px);
  opacity: 1;
}

.down-about-text {
  width: 100%;
  text-align: center;
  margin-top: 2rem;
  padding: 1rem;
}
.text-about-us {
  font-size: 32px;
  font-weight: bold;
  margin-bottom: 1rem;
  text-align: left;
  text-shadow: -5px -4px 2px pink;
}
.subtext-about-us {
  opacity: 0;
  visibility: hidden;
  line-height: 1.5;
  text-align: left;
  transition: opacity 2s ease, visibility 2s ease;
}
.subtext-about-us::first-letter {
  color: pink;
  font-size: 2rem;
}
.subtext-about-us.showText {
  opacity: 1;
  visibility: visible;
}

.readmore-box {
  display: none;
  width: 90%;
  margin: 2rem 0;
}
.container-read {
  border-bottom: solid;
  display: flex;
  justify-content: space-between;
  cursor: pointer;
}
.title-read {
  margin: 1rem;
}
#arrow-up {
  display: none;
}
.read-hidden {
  display: none;
}
.read-hidden h3 {
  padding: 1rem 0;
}

.mission {
  margin: 2rem;
}
.missionUp {
  background-color: #222222;
  padding: 1rem;
}
.missionDown {
  display: flex;
  justify-content: center;
  background-color: #222222;
}
.down-misssion-picture {
  max-width: 35rem;
}
#title-mission-up {
  color: #dd5169;
  font-size: 36px;
  margin-bottom: 1rem;
  text-shadow: -8px -4px 3px white;
}
.para-mission-up {
  opacity: 0;
  color: #ffffff80;
  line-height: 1.5rem;
  transition: opacity 2s ease 0.5s;
}
.para-mission-up.showMission {
  opacity: 1;
}
.down-misssion-picture {
  width: 100%;
}

.vis-picture-box {
  border: solid;
  padding: 0 2rem;
  position: relative;
  margin: 0 2rem 4rem;
  text-align: center;
}
.circle-sun {
  position: absolute;
  right: 50px;
  top: 10px;
  width: 70px;
  height: 70px;
  background-color: #ffd900d6;
  border-radius: 50px;
}

.img-pic-vis {
  max-width: 80%;
  border-radius: 250px;
}

.container-vision-texts {
  padding: 0 2rem 2rem;
}
.vision-title {
  border-top: solid;
  padding: 1rem 0;
  text-shadow: -8px -4px 3px pink;
}
.vision-paragraph {
  opacity: 0;
  transition: opacity 2s ease 0.5s;
}
.vision-paragraph.showOurVision {
  opacity: 1;
}
.social-icons {
  border: solid black;
}
@media (min-width: 768px) {
  .hero-text h1 {
    font-size: 3rem;
  }
  .hero-text p {
    font-size: 1.5rem;
  }
  .about-us {
    margin: 5rem 3rem 3rem;
  }
  .up-picture {
    padding: 2rem;
  }
  .about-us-picture {
    width: 100%;
    object-fit: cover;
  }

  .subtext-about-us {
    font-size: 1rem;
  }
  .mission {
    margin: 0 4rem;
  }
  .missionUp {
    padding: 2rem;
  }
  .container-vision-texts {
    padding: 0 4rem 2rem;
  }
  .circle-sun {
    right: 66px;
    top: 19px;
    width: 90px;
    height: 90px;
    background-color: #ffd900d6;
    border-radius: 50px;
  }
  .img-pic-vis {
    max-width: 500px;
    border-radius: 50rem;
  }
  .vis-picture-box {
    padding: 0 4rem;
  }
  .vision-title {
    font-size: 40px;
  }
  .vision-paragraph {
    line-height: 1.6rem;
  }
  .vis-picture-box {
    margin: 4rem 4rem;
  }
}

@media (min-width: 1024px) {
  .hero-text h1 {
    font-size: 4rem;
  }
  .hero-text p {
    font-size: 2rem;
  }
  .about-us {
    flex-direction: row;
    margin: 4rem 4rem 4rem;
    justify-content: space-around;
  }

  .up-picture {
    padding: 4rem;
    width: 50%;
  }
  .down-about-text {
    text-align: left;
    margin-top: 0;
    padding: 3rem;
  }
  .container-vision-texts {
    padding: 4rem 2rem;
  }
  .contain-text-readmore {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 50%;
  }
  .readmore-box {
    width: 60%;
  }
  .mission {
    display: flex;
    position: relative;
  }
  .missionUp {
    width: 100%;
    padding-bottom: 10rem;
    margin-bottom: 4rem;
  }
  .missionDown {
    width: 40%;
    position: absolute;
    right: 2px;
    top: -74.9px;
  }
  .box-relative-mission {
    width: 50%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
  }
  .vision {
    display: flex;
    margin: 1rem 1rem;
  }
  .vis-picture-box {
    margin: 0;
  }
}