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

body {
  font-family: 'Lato', sans-serif;
  font-weight: 400;
}

.about-nav {
  display: flex;
  justify-content: flex-end;
  position: fixed;
  top: 0;
  background-color: #272a31;
  right: 0;
  width: 100%;
  height: 30px;
}

.about-header ul {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  padding-top: 2px;
  margin-right: 10rem;
}

.about-header li {
  list-style: none;
}

header a {
  text-decoration: none;
}

.contact a {
  color: #272a31;
  font-weight: 500;
}

.about-header li a {
  text-decoration: none;
  padding-left: 15px;
  color: #d3d3d3;
  font-size: 13px;
}

.secodary-nav {
  display: flex;
  justify-content: flex-start;
  position: fixed;
  padding: 20px 10%;
  top: 30px;
  width: 100%;
  height: 78px;
  z-index: 100;
}

header .logo {
  color: #ec5242;
  display: none;

  /* padding-left: 5%; */
  padding-right: 5rem;
  animation: logo 3s ease;
  margin-right: auto;
}

@keyframes logo {
  100% {
    transform: rotate3d(1, 2, 1, 360deg);
  }
}

.logo span {
  color: #272a3199;
  padding-left: 20px;
  font-weight: 800;
  display: block;
}

.nav-bar .about {
  color: #ec5242;
  font-weight: 500;
}

.nav-bar .nav-btn {
  padding: 8px 12px;
  border: 3px solid #ec5242;
  color: #ec5242;
  max-width: 150px;
  height: max-content;
  background-color: #fff;
  margin-left: 40px;
  margin-top: -10px;
}

.nav-bar {
  display: none;
}

.nav-bar.active {
  display: flex;
  position: absolute;
  left: 0;
  top: -30px;
  width: 100%;
  height: 100vh;
  padding-top: 106px;
  background-color: #ec5242;
}

.nav-bar.active li {
  list-style: none;
  display: flex;
  flex-direction: column;
  padding-left: 28px;
  padding-bottom: 40px;
}

.nav-bar.active a {
  font-size: 32px;
  font-weight: 600;
  line-height: 44px;
  color: #fff;
}

.img-nav .humberger {
  font-size: 30px;
  cursor: pointer;
  margin-top: -1.2rem;
  color: #272a31;
  font-weight: 600;
}

i.close {
  font-size: 30px;
  color: white;
  display: none;
  cursor: pointer;
  filter: invert(0);
}

i.close.show {
  display: flex;
}

i.humberger.hide {
  display: none;
}

.main {
  background: url('https://images.pexels.com/photos/1032650/pexels-photo-1032650.jpeg?auto=compress&cs=tinysrgb&w=600') no-repeat;
  background-size: cover;
  background-position: center;
  text-align: center;
}

.introduction-page {
  padding: 15%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding-top: 20%;
}

.intro-text {
  color: #ec5242;
  font-size: 14px;
}

.intro-text .h2 {
  text-align: center;
  font-weight: lighter;
}

.intro-text h1 {
  font-weight: 600;
  color: transparent;
  text-shadow: 2px 1px #ec5242;
}

.intro-par {
  background-color: #fff;
  border: 2px solid  #d3d3d3;
  box-shadow: 2px 3px 4px #d3d3d320;
  padding: 5px 12px;
  margin: 10px;
}

.contact {
  padding-top: 20px;
  text-align: center;
}

.logo-show {
  background-color: #fff;
  text-align: center;
  padding-top: 20px;
}

.logo-line {
  width: 50px;
  height: 2px;
  background-color: #ec5242;
  margin-left: 45%;
  text-align: center;
  margin-top: 10px;
  margin-bottom: 20px;
}

.logo-border {
  margin: auto;
  border: 2px solid #d3d3d3;
  margin-bottom: 20px;
  height: 150px;
  max-width: 550px;
}

.logo-border i {
  padding-top: 50px;
}

.logo-show .logo span {
  display: block;
  color: #ec5242;
}

.graduation {
  background-color: white;
  padding: 12px 40px;
  margin-bottom: 20px;
  margin-top: -20px;
}

.graduation .h2 {
  font-weight: 500;
  color: #272a31;
  text-align: center;
}

.par {
  text-align: center;
  color: #272a3180;
  margin-bottom: 20px;
}

.graduation-image {
  border: 1px solid #d3d3d3;
  text-align: center;
  padding-top: 100px;
  padding-bottom: 50px;
  background: url('assets/graduation2021.png');
  background-size: 100% 100%;
  background-position: center;
  position: relative;
  margin-bottom: 30px;
}

.second-image {
  background: url('assets/graduation2022.jpeg');
  background-size: 100% 100%;
  background-position: center;
}

.color {
  background-color: #ec524295;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.graduation-image h3 {
  padding-top: 40px;
  color: #fff;
  font-weight: 600;
  font-size: 28px;
}

footer p {
  padding-top: 27px;
  padding-left: 10px;
}

.graduation-image p {
  font-weight: 500;
  color: #fff;
  padding-top: 15px;
  font-size: 18px;
}

.partner {
  display: flex;
  justify-content: center;
  align-items: center;
}

.partner-sect {
  height: 250px;
  margin-top: -20px;
  background-color: #121212;
  border: 1px solid #d3d3d3;
  padding: 10px 20px;
}

.partner-text {
  color: #d3d3d3;
  font-weight: 500;
  font-size: 30px;
}

.partner-logo img {
  width: 75%;
  height: 50%;
  padding-top: 25px;
}

footer {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: white;
  padding: 24px;
  gap: 12px;
}

.mobile-version {
  display: none;
}

@media screen and (min-width: 768px) {
  .mobile-version {
    display: flex;
  }

  .secodary-nav {
    background-color: #fff;
    width: 100%;
  }

  header .logo {
    display: flex;
  }

  .img-nav .humberger {
    display: none;
  }

  .nav-bar.active {
    display: none;
  }

  .nav-bar {
    display: flex;
    position: relative;
  }

  .nav-bar ul {
    display: flex;
    justify-content: space-between;
    gap: 16px;
  }

  .nav-bar ul li {
    list-style: none;
  }

  .nav-bar li a {
    text-decoration: none;
    color: #272a31;
    font-size: 18px;
    font-weight: 500;
    font-family: 'Lato', sans-serif;
    padding-left: 12px;
    line-height: 20px;
    position: relative;
  }

  .nav-bar ul li a::after {
    content: '';
    width: 0;
    height: 3px;
    position: absolute;
    bottom: -5px;
    transform: translateX(-130%);
    background-color: #ec5242;
    transition: width 0.3s;
  }

  .nav-bar ul li a:hover::after {
    width: 50%;
  }

  .nav-bar li a:hover {
    color: #344563;
    font-weight: 650;
  }

  .introduction-page {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .intro-text h1 {
    padding-left: 50px;
  }

  .intro-par {
    width: 75%;
  }

  .contact {
    width: 80%;
  }

  .graduation-wrapper {
    display: grid;
    grid-template-columns: 40% 40%;
    gap: 16px;
    margin: auto;
    margin-left: 10%;
  }

  .desk-version {
    display: none;
  }

  .footer-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 25px;
    background-color: #272a31;
    padding-left: 10rem;
    padding-right: 10rem;
    padding-top: 50px;
    color: #d3d3d3;
    height: 150px;
    margin-top: -20px;
    font-size: 18px;
    font-weight: 600;
  }

  .footer-wrapper .logo span {
    display: block;
    color: #ec5242;
  }

  .footer-par1 {
    font-weight: 600;
    font-size: 16px;
    margin-right: auto;
  }
}