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

html {
  font-size: 10px;
}

body {
  font-family: 'Lato', Arial, Helvetica, sans-serif;
  color: #272a31;
}

header {
  background-image: url("./assets/images/header-background.jpg");
  background-repeat: no-repeat;
  background-position: right;
  background-size: cover;
  padding: 2rem;
}

.topbar {
  display: none;
}

.menu-desktop {
  display: none;
}

nav {
  width: 100%;
  position: relative;
}

nav .logo {
  height: 5.1rem;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.menu {
  list-style: none;
}

.header-body hr {
  display: none;
}

#hamburger {
  cursor: pointer;
}

.menu-container {
  visibility: hidden;
  background-color: #fff;
  position: absolute;
  top: -100rem;
  left: 0;
  right: 0;
  padding: 2rem;
  border-radius: 1rem;
  transition: all 0.5s;
  display: flex;
  justify-content: space-between;
}

.close-menu {
  align-self: self-start;
  cursor: pointer;
}

.showMenu {
  visibility: visible;
  top: 10rem;
}

.menu li a {
  text-decoration: none;
  color: #272a31;
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 2.5rem;
}

.menu li {
  padding: 1rem 0;
}

.header-body h1 {
  font-size: 3.5rem;
  font-weight: 900;
  text-transform: uppercase;
  line-height: 4.9rem;
  color: #ec5242;
  margin-top: 5rem;
  margin-bottom: 2rem;
  text-align: center;
}

footer p {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3rem;
  color: #272a31;
}

.logo-design p {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 2.1rem;
  color: #838383;
  margin-bottom: 3.5rem;
  text-align: center;
}

.last-courses > p {
  color: #838383;
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 2.1rem;
  margin-bottom: 3.5rem;
  text-align: center;
}

.header-body p:nth-child(3) {
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 2.5rem;
  color: #272a31;
  border: 0.1rem solid #c8c8c8;
  padding: 2rem 1.2rem;
  background-color: #fff;
  text-align: center;
  margin-bottom: 2.5rem;
}

.header-body p:nth-child(4) {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 2.5rem;
  color: #272a31;
  margin-bottom: 2.5rem;
}

.header-body p:nth-child(4) span {
  text-decoration: underline;
  font-weight: bold;
}

.header-body p:nth-child(3) span {
  font-weight: bold;
  text-decoration: underline;
}

.logo-design {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
}

.logo-design h2 {
  color: #272a31;
  font-weight: 700;
  line-height: 2.8rem;
  text-align: center;
  font-size: 2rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.logo-design hr {
  border: 0.1rem solid #ec5242;
  width: 3.5rem;
  margin-bottom: 1rem;
}

.logo-design .item-logo {
  width: 100%;
  border: 0.1rem solid #c8c8c8;
  padding: 2rem 3rem;
  margin-bottom: 2rem;
}

.partner-list img {
  height: 7.5rem;
}

.logo-design .item-logo img {
  width: 60%;
  display: block;
  margin: 0 auto;
}

.last-courses {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
  border-top: 0.1rem solid #c8c8c8;
}

.last-courses h2 {
  color: #272a31;
  font-weight: 700;
  line-height: 2.8rem;
  text-align: center;
  font-size: 2rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.last-courses hr {
  border: 0.1rem solid #ec5242;
  width: 3.5rem;
  margin-bottom: 1rem;
}

.last-courses .course {
  width: 100%;
  height: 20rem;
  color: #fff;
  margin-bottom: 2.5rem;
}

.last-courses .course-container .course {
  background-image: url("./assets/images/React-Developer-Course.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.last-courses .course .layer {
  background-color: rgba(255, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 20rem;
}

.last-courses .course .layer h3 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 2.9rem;
  margin-bottom: 2rem;
}

.copyright p:nth-child(2) {
  display: none;
}

.last-courses .course .layer p {
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 2.6rem;
  padding: 0 1rem;
  text-align: center;
}

.partners {
  background-color: #414246;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.partner-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.partners h2 {
  color: #fff;
  font-weight: 700;
  line-height: 2.8rem;
  text-align: center;
  font-size: 2rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.partners hr {
  border: 0.1rem solid #ec5242;
  width: 3.5rem;
  margin-bottom: 1rem;
}

footer {
  display: flex;
  justify-content: space-between;
  padding: 2rem 14%;
  align-items: center;
}

footer .light {
  height: 3.1rem;
  display: block;
}

footer .dark {
  display: none;
}

@media screen and (min-width: 768px) {
  header {
    padding: 0;
  }

  .header-body {
    padding: 11.6rem 14%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  footer p {
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 2.8rem;
    color: #fff;
    margin-bottom: 1rem;
  }

  .header-body p {
    width: 70%;
    text-align: center;
    font-size: 1.4rem;
    font-weight: 400;
    line-height: 2.5rem;
  }

  .header-body p:nth-child(4) span {
    text-decoration: underline;
    font-weight: bold;
  }

  .header-body h1 {
    font-size: 5rem;
    font-weight: 900;
    line-height: 5.5rem;
    margin: 0;
  }

  #hamburger {
    display: none;
  }

  .menu-container {
    display: none;
  }

  .topbar {
    display: block;
    padding: 0 13%;
    background-color: #3b3e45;
  }

  .topbar ul {
    display: flex;
    justify-content: flex-end;
    list-style: none;
  }

  .topbar ul li a {
    color: #fff;
    font-size: 1.2rem;
    font-weight: 400;
    text-decoration: none;
  }

  .topbar ul li {
    padding: 1rem;
    display: flex;
    align-items: center;
  }

  .topbar ul li img {
    height: 1.8rem;
  }

  nav {
    overflow: hidden;
  }

  nav .logo {
    position: static;
    display: none;
  }

  .menu-desktop {
    display: flex;
    justify-content: space-between;
    padding: 1.35rem 14%;
    background-color: #fff;
  }

  .menu-desktop ul {
    display: flex;
    justify-content: flex-end;
    list-style: none;
    column-gap: 4rem;
  }

  .menu-desktop ul li a {
    font-size: 1.5rem;
    font-weight: 900;
    color: #868686;
    text-decoration: none;
  }

  .menu-desktop ul li {
    padding: 1.4rem;
    display: flex;
    align-items: center;
  }

  .menu-desktop ul li:nth-child(6) {
    border: 0.4rem solid #ec4327;
  }

  .menu-desktop ul li:nth-child(6) a {
    color: #ec4327;
  }

  .menu-desktop ul li:nth-child(1) a {
    color: #ec4327;
  }

  .menu-desktop .logo-desktop {
    height: 5.1rem;
  }

  .header-body hr {
    display: block;
    border: 0.1rem solid #ec5242;
    width: 3.5rem;
    margin: 3.5rem 0;
  }

  .header-body p:nth-child(3) {
    border: 0.1rem solid #c8c8c8;
    background-color: #fff;
    padding: 3%;
  }

  .logo-design h2 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 2.8rem;
    margin-bottom: 2rem;
  }

  .logo-design .item-logo {
    width: 54.2rem;
  }

  .course-container {
    display: flex;
    justify-content: center;
    column-gap: 2.5rem;
  }

  .last-courses {
    padding: 2rem 14%;
  }

  .partners {
    display: none;
  }

  footer {
    display: flex;
    justify-content: space-between;
    padding: 7.4rem 14%;
    align-items: center;
    column-gap: 8rem;
    background-color: #2e2e2e;
  }

  footer .dark {
    height: 5.1rem;
    display: block;
  }

  footer .light {
    display: none;
  }

  .copyright p:nth-child(2) {
    display: block;
  }
}