* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
@font-face {
  font-family: fontBWD;
  src: url(/assets/font/00119-UTM-HelvetIns/00119-UTM-HelvetIns.ttf);
}
/* body {
  background-image: url(/assets/img/bg.png);
  background-repeat: no-repeat;
  background-size: cover;
} */
/* Phần header */
.navbar li {
  list-style: none;
  font-size: 1rem;
}
.navbar a {
  text-decoration: none;
  color: black;
  font-size: 1.1rem;
  line-height: 1.6;
}
.navbar a:hover {
  color: #46a4d2;
}
#header {
  padding: 0 2rem;
  font-family: fontBWD;
}
.navbar {
  background-color: whitesmoke;
  position: fixed;
  width: 100%;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-left: -32px;
  z-index: 1000; /* Đảm bảo tiêu đề nằm trên cùng */
}
.navbar .logo img {
  width: 160px;
  margin-top: 10px;
}
.navbar .links {
  display: flex;
  gap: 2rem;
}
.navbar .toggle_btn {
  color: #000;
  font-size: 1.5rem;
  cursor: pointer;
  display: none;
}
.action_btn {
  background-image: linear-gradient(
    180deg,
    rgb(22, 167, 239),
    rgb(148, 45, 212)
  );
  color: whitesmoke !important;
  padding: 0.5rem 1rem;
  border: none;
  outline: none;
  border-radius: 20px;
  font-size: 1rem !important;
  cursor: pointer;
  transition: scale 0.2 ease;
  margin-right: 32px;
}

.action_btn:hover {
  scale: 1.05;
  opacity: 0.8;
}
.action_btn:active {
  scale: 0.95;
}
.action_btn2 {
  background-image: linear-gradient(
    180deg,
    rgb(22, 167, 239),
    rgb(148, 45, 212)
  );
  color: whitesmoke !important;
  padding: 0.5rem 1rem;
  border: none;
  outline: none;
  border-radius: 20px;
  font-size: 0.8rem !important;
  cursor: pointer;
  transition: scale 0.2 ease;
}

.action_btn2:hover {
  scale: 1.05;
  opacity: 0.8;
}
.action_btn2:active {
  scale: 0.95;
}
.dropdown_menu {
  display: none;
  position: absolute;
  height: 0px;
  top: 60px;
  width: 100%;
  background-color: rgb(255, 255, 255, 0.8);
  backdrop-filter: blur(15px);
  border-radius: 10px;
  overflow: hidden;
  transition: height 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.open {
  height: 550px;
}
.dropdown_menu li {
  padding: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dropdown_menu .action_btn2 {
  width: 100%;
  display: flex;
  justify-content: center;
}
/* Container chính */
.container {
  /* display: flex; */
  /* flex-direction: column; */
  /* background-image: url(/assets/img/bg.png); */
  /* background-position: center; */
}

.head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
}

.head .img {
  width: 150px;
  height: 150px;
  padding: 0cm;
}

.head .img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@media (max-width: 1026px) {
  .navbar .links {
    display: none;
  }
  .navbar {
    display: none;
    display: flex;
  }
  .navbar .action_btn {
    display: none;
  }
  .navbar .toggle_btn {
    display: block;
  }
  .dropdown_menu {
    display: block;
  }
}
/* end header  */
/* content  */
section {
  padding-top: 128px;
  padding-bottom: 64px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-flow: column;
  font-family: fontBWD;
}
section img {
  z-index: 1;
  margin-bottom: -25px;
  width: auto;
}
section .box {
  margin-top: 16px;
  width: 64%;
  background-color: #fff;
  align-items: center;
  flex-flow: column wrap;
  position: relative;
  border-radius: 15px;
  -webkit-border-radius: 15px;
  -moz-border-radius: 15px;
  -ms-border-radius: 15px;
  -o-border-radius: 15px;
  padding-bottom: 64px;
}
.button {
  position: absolute;
  bottom: 1px;
  right: 30px;
  padding: 10px;
  background-color: #97bade;
  color: #fff;
  border-radius: 10px;
  border: none;
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  -ms-border-radius: 10px;
  -o-border-radius: 10px;
  padding: 12px 32px;
  font-family: fontBWD;
  font-size: 15px;
  text-transform: uppercase;
  cursor: pointer;
}
.refuse {
  position: initial;
  float: right;
  margin-top: 32px;
  margin-right: 30px;
}
.button:hover {
  opacity: 0.8;
}

section .box h1 {
  margin: 20px 0 10px;
  color: #97bade;
  letter-spacing: 5px;
  font: bold 26px sans-serif;
  text-transform: uppercase;
  text-align: center;
}
section .box p {
  color: #978888;
  position: relative;
  text-align: center;
}
section .box p::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: -170px;
  background-color: #97bade;
}
.content {
  margin-top: 30px;
  padding: 32px;
  background-color: #ddd;
  line-height: 1.6;
  position: relative;
}
.GPA {
  position: absolute;
  bottom: 34px;
  left: 30px;
  padding: 12px 32px;
  background-color: #97bade;
  color: #fff;
  border-radius: 10px;
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  -ms-border-radius: 10px;
  -o-border-radius: 10px;
}

/* end conent  */
/* footer  */
.copyright {
  display: inline;
  font-family: sans-serif;
}
.logo-img {
  width: 450px;
}
.lienhe li {
  margin: 8px 0px;
}
.col-xs-6 {
  float: left;
  width: 33.33333%;
}
#site-footer {
  background-color: #97bade;
  padding: 45px 0 20px;
  color: whitesmoke;
  font-family: fontBWD;
  line-height: 1.8;
  font-size: 18px;
  text-transform: uppercase;
  width: 100%;
}
.tieude {
  font-size: 32px;
  text-transform: uppercase;
}
.phude {
  font-size: 28px;
  margin: 4px 0px;
  text-transform: uppercase;
}
#site-footer hr {
  border-top-color: whitesmoke;
}
#site-footer hr.small {
  margin: 20px 0;
}
#site-footer h6 {
  color: #fff;
  font-size: 16px;
  text-transform: uppercase;
  margin-top: 5px;
  letter-spacing: 2px;
}
#site-footer a {
  color: whitesmoke;
}
#site-footer a:hover {
  color: #3366cc;
  text-decoration: none;
}
.footer-links {
  padding-left: 0;
  list-style: none;
}
.footer-links li {
  display: block;
}
.footer-links a {
  color: whitesmoke;
  text-decoration: none;
}
.footer-links a:active,
.footer-links a:focus,
.footer-links a:hover {
  color: #3366cc;
  text-decoration: none;
}
.footer-links.inline li {
  display: inline-block;
}
#site-footer .social-icons {
  text-align: right;
  padding: 8px;
}
#site-footer .social-icons a {
  width: 40px;
  height: 40px;
  line-height: 40px;
  margin-left: 6px;
  margin-right: 0;
  border-radius: 100%;
  background-color: whitesmoke;
}
.copyright-text {
  margin: 0;
  margin: 8px 0px;
}
@media (min-width: 740px) and (max-width: 1023px) {
  /* reopn footer  */
  #site-footer [class^="col-"] {
    margin-bottom: 30px;
    padding: 0px 8px;
  }
  .logo-img {
    width: 330px;
  }
  /* end repon foter  */
}
@media (max-width: 739px) {
  /* repon content  */
  .refuse {
    margin-top: 24px;
  }
  section img {
    width: 200px;
  }
  section .box {
    text-align: center;
  }
  .GPA {
    text-align: center;
    position: initial;
    margin: 16px 0px;
  }
  .button {
    position: initial;
  }

  /* end repon content  */
  /* repon footer  */
  #site-footer {
    padding-bottom: 0;
  }
  #site-footer .copyright-text,
  #site-footer .social-icons {
    text-align: center;
  }
  .logo-img {
    width: 250px;
    margin-left: 55px;
    margin-bottom: -64px;
    margin-top: -64px;
  }
  .col-xs-6 {
    text-align: center;
    width: auto;
    float: none;
    margin-bottom: 16px;
  }
  #site-footer {
    text-align: center;
  }
  .social-icons li.title {
    display: block;
    margin-right: 0;
    font-weight: 600;
  }
  .social-icons {
    text-align: center;
    margin-right: 0px !important;
  }
  /* end repon footer  */
}
.social-icons {
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
  margin-right: 64px;
}
.social-icons li {
  display: inline-block;
  margin-bottom: 4px;
}
.social-icons li.title {
  margin-right: 15px;
  text-transform: uppercase;
  color: black;
  font-weight: 700;
  font-size: 13px;
}
#site-footer .social-icons a {
  background-color: #eceeef;
  color: black;
  font-size: 16px;
  display: inline-block;
  line-height: 44px;
  width: 44px;
  height: 44px;
  text-align: center;
  margin-right: 8px;
  border-radius: 100%;
  -webkit-transition: all 0.2s linear;
  -o-transition: all 0.2s linear;
  transition: all 0.2s linear;
}
.social-icons a:active,
.social-icons a:focus,
.social-icons a:hover {
  color: #fff;
  background-color: #29aafe;
}
.social-icons.size-sm a {
  line-height: 34px;
  height: 34px;
  width: 34px;
  font-size: 14px;
}
#site-footer .social-icons a.facebook:hover {
  background-color: #3b5998;
}
#site-footer .social-icons a.twitter:hover {
  background-color: #00aced;
}
#site-footer .social-icons a.linkedin:hover {
  background-color: #007bb6;
}
#site-footer .social-icons a.dribbble:hover {
  background-color: #ea4c89;
}
/* end footer  */

/* back up */
.back-top-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;

  color: #000;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background-color: whitesmoke;
  border: 3px solid rgb(61, 61, 231);
  transition: 0.25s ease;
  /* visibility: hidden;
    opacity: 0; */
  z-index: 4;
  visibility: visible;
  opacity: 1;
  transform: translateY(-10px);
}

.back-top-btn:is(:hover, :focus-visible) {
  box-shadow: 0px 3px 20px hsla(180, 90%, 43%, 0.2);
}

.back-top-btn.active {
  visibility: visible;
  opacity: 1;
  transform: translateY(-10px);
}
/* end backup    */