* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  /* font-size: 16px; */
  font-family: Arial, Helvetica, sans-serif;
}

header {
  background-color: #35424a;
  border-bottom: 3px solid #d12121;
}

.header-container {
  color: white;
  display: flex;
  flex-wrap: wrap;
  height: 6rem;
  justify-content: space-between;
  align-items: center;
  margin: 0 10vw;
}

span {
  color: #d12121;
}

ul li {
  color: white;
  display: inline;
  list-style-type: none;
  padding: 1rem;
  line-height: 1.5rem;
  font-weight: 500;
}

a {
  color: white;
  text-decoration: none;
}
#about {
  color: #121212;
  font-weight: bold;
}

h1,
h1 span {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 2.8rem;
  margin-top: 2vh;
  margin-bottom: 2vh;
}

h2 {
  margin-top: 1vh;
  margin-bottom: 1vh;
}

#home:hover,
#services:hover,
#about:hover {
  font-weight: bold;
  cursor: pointer;
  color: #cccccc;
}

.section-subscribe {
  color: white;
  display: flex;
  flex-wrap: wrap;
  height: 6rem;
  justify-content: space-between;
  padding: 0 11vw;
  align-items: center;
  background-color: #35424a;
  flex-wrap: wrap;
  /* margin-bottom: 50px; */
}
.section-subscribe h3 {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 2rem;
}

#placeholder {
  font-size: 0.8rem;
  /* padding: 0.4rem 0;   */
  width: 260px;
  height: 40px;
}

button {
  background-color: #d12121;
  color: white;
  padding: 0.5rem;
  font-size: 0.8rem;
  border: none;
  width: 100px;
  height: 40px;
}

main {
  /* justify-content: space-evenly; */
  /* padding-bottom: 50vh; */
  background: #f4f4f4;
  margin-left: 5vw;
  margin-right: 5vw;
}
.section-first {
  margin-top: 3vh;
  font-size: 15px;
  width: 51vw;
  height: auto;
  display: flex;
  flex-direction: column;
  margin: 2vh 3vw 2vh 8vw;
  line-height: 1.4rem;
}
.section-first h3 {
  margin-bottom: 3vh;
}
#dark {
  background-color: #35424a;
  color: white;
  margin-top: 2vh;
  padding: 3vh 1vw;
}
.section-second {
  font-size: 15px;
  align-self: flex-start;
  width: 22vw;
  height: auto;
  /* display: flex; */
  /* flex-direction: column; */
  margin-top: 3vh;
  background-color: #35424a;
  color: white;
  padding: 3vh 1vw 5vh;
  margin-right: 8vw;
  line-height: 1.4rem;
}
.section-second h3 {
  margin-bottom: 3vh;
}
footer {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border-top: 3px solid #a9508b;
  height: 8rem;
  background-color: rgb(255, 250, 240);
}

footer p {
  font-size: 0.9rem;
  line-height: 1.4rem;
  font-weight: 400;
}

@media (max-width: 768px) {
  .header-container {
    height: 11rem;
    flex-wrap: nowrap;
    flex-direction: column;
    justify-content: space-evenly;
    margin: 0 0;
    /* margin: 0 7vw; */
  }

  .header-right,
  .header-left {
    margin: 0 3vw;
  }

  .section-subscribe {
    height: 11rem;
  }

  main {
    display: flex;
    flex-direction: column;
    padding-bottom: 10vh;
  }

  .section-first {
    width: 80vw;
    margin: 2vh 3vw 2vh 10vw;
    /* padding: 0 2vw; */
  }
  .section-second {
    width: 80vw;
    margin: 3vh 3vw 3vh 10vw;
    padding: 3vh 2vw 5vh;
  }
  #dark {
    padding: 3vh 2vw;
  }
}

@media (max-width: 350px) {
  .header-container {
    font-size: 15px;
    /* margin: 0 7vw; */
  }
  h1,
  h1 span {
    font-size: 1.6rem;
    /* font-weight: 700;
          line-height: 2.8rem; */
  }
}