/* google font */
@import url("https://fonts.googleapis.com/css2?family=Orbitron:wght@400..900&display=swap");

/* reusable things */
:root {
  --navbar-color: #080a1a;
  --botton-color: #ff4500;
  --text-color: #ffffff;
  --text-color-2: #ff4500;
}

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

html,
body {
  font-family: "Orbitron", sans-serif;
  overflow-x: hidden;
}

/* fix utilities */
a {
  text-decoration: none;
}

ul,
li {
  list-style-type: none;
}

/* for code optimization */
.d-flex {
  display: flex;
}

.al-center {
  align-items: center;
}

.jc-between {
  justify-content: space-between;
}

.jc-center {
  justify-content: center;
}

/* container */
.container {
  max-width: 1500px;
  width: 100%;
  margin: 0 auto;
  padding: 0 15px;
}

.nav-bar.sticky {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 99999;
}

.nav-menu ul li a.activee {
  color: #e94f37;
  font-weight: 600;
  border-bottom: 2px solid #e94f37;
}

/* navbar */
.nav-bar {
  background-color: var(--navbar-color);
  position: absolute;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 9999;
}

.nav-wrapper {
  padding: 17px 0;
}

.logo {
  display: flex;
  align-items: center;
}

.humbarger {
  display: flex;
  align-items: center;
  justify-content: center;
  display: none;
}

.humbarger i {
  color: #e5e7eb;
}

.nav-wrapper a figure {
  gap: 8px;
}

.nav-wrapper a figure figcaption {
  color: var(--text-color);
  font-size: 24px;
  font-weight: 400;
  line-height: 32px;
}

.nav-menu ul {
  gap: 32px;
}

.nav-menu ul li a {
  color: var(--text-color);
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  transition: all 0.3s;
}

.nav-menu ul li a:hover {
  color: var(--text-color-2);
  transition: all 0.3s;
}

.nav-btn {
  background-color: var(--botton-color);
  padding: 12px 24px;
  border-radius: 8px;
  transition: all 0.3s;
}

.nav-btn:hover {
  background-color: #ff4400e6;
  transition: all 0.3s;
}

.nav-btn a {
  color: var(--text-color);
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
}

/* banner */
.banner {
  height: 100vh;
  width: 100%;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.banner-wrapper {
  height: 100vh;
}

.banner-content {
  flex-direction: column;
  text-align: center;
  width: 70%;
  padding-top: 150px;
  padding-left: 20px;
  padding-right: 20px;
}

.banner-content h1 {
  font-size: 90px;
  font-weight: 700;
  line-height: 96px;
  color: var(--text-color);
  text-shadow: 0 0 10px rgba(255, 69, 0, 0.7), 0 0 20px rgba(255, 69, 0, 0.5);
}

.banner-content p {
  font-size: 24px;
  font-weight: 400;
  line-height: 32px;
  color: #e5e7eb;
  margin-top: 26px;
}

.banner-content div {
  margin-top: 40px;
  background-color: var(--botton-color);
  box-shadow: 0 0 15px rgba(255, 69, 0, 0.7);
  padding: 20px 32px;
  border-radius: 8px;
}

.banner-content div a {
  color: var(--text-color);
  font-size: 18px;
  font-weight: 400;
  line-height: 28px;
}

.banner-content span {
  margin-top: 68px;
}

.banner-content span i {
  color: var(--text-color);
  font-size: 21px;
}

/* about wrapper */
.about {
  background-color: #0d1126;
}
.about-wrapper {
  padding: 80px 0;
  flex-direction: column;
}

.about-wrapper .about-content {
  flex-direction: column;
  width: 65%;
  text-align: center;
}

.about-wrapper .about-content h2 {
  font-size: 48px;
  font-weight: 700;
  line-height: 48px;
  color: var(--text-color);
}

.about-wrapper .about-content span {
  color: var(--text-color-2);
}

.about-wrapper .about-content p {
  font-size: 20px;
  font-weight: 400;
  line-height: 28px;
  color: var(--text-color);
  margin-top: 19px;
}

.about-wrapper .main-about-content {
  margin-top: 64px;
  gap: 40px;
}

.about-wrapper .main-about-content .left-about-part {
  width: 50%;
}

.about-wrapper .main-about-content .left-about-part figure {
  width: 100%;
}

.about-wrapper .main-about-content .left-about-part figure img {
  border-radius: 100%;
  animation: full-rotate 30s infinite ease-in;
  width: 100%;
}

.about-wrapper .main-about-content .right-about-part {
  width: 50%;
}

.about-wrapper .main-about-content .right-about-part h3 {
  font-size: 24px;
  font-weight: 700;
  line-height: 32px;
  color: var(--text-color);
}

.about-wrapper .main-about-content .right-about-part ul li p {
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: var(--text-color);
  margin-top: 20px;
}

.about-wrapper .main-about-content .right-about-part .about-list {
  margin-top: 36px;
  text-align: center;
  gap: 16px;
}

.about-list .about-card {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background-color: rgba(30, 30, 60, 0.4);
  border-radius: 8px;
  padding: 20px 24px;
  border: 1px solid rgba(256, 256, 256, 0.1);
  color: var(--text-color);
}

.about-wrapper .main-about-content .right-about-part .about-list li span {
  font-size: 14px;
  font-weight: 400;
  line-height: 20px;
  color: #9ca3af;
}

.about-wrapper .main-about-content .right-about-part .about-list li strong {
  font-size: 18px;
  font-weight: 700;
  line-height: 32px;
}

.bottom-about-content {
  margin-top: 80px;
}

.bottom-about-content ul {
  gap: 24px;
}

.bottom-about-content ul li {
  background-color: rgba(30, 30, 60, 0.4);
  border: 1px solid rgba(256, 256, 256, 0.1);
  padding: 25px 30px;
  border-radius: 8px;
}

.bottom-about-content ul li .bottom-content h3 {
  margin-top: 24px;
  font-size: 20px;
  font-weight: 700;
  line-height: 28px;
  color: var(--text-color);
}

.bottom-about-content ul li .bottom-content p {
  margin-top: 11px;
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: #d1d5db;
}

/* timeline */
.timeline {
  background-color: #0d1126;
}

.timeline-wrapper {
  padding: 80px 0;
  flex-direction: column;
}

.timeline-content {
  text-align: center;
  width: 65%;
}

.timeline-content h2 {
  font-size: 48px;
  font-weight: 700;
  line-height: 48px;
  color: var(--text-color);
}

.timeline-content span {
  color: var(--text-color-2);
}

.timeline-content p {
  font-size: 20px;
  font-weight: 400;
  line-height: 28px;
  color: var(--text-color);
  margin-top: 20px;
}

.first-list {
  margin-top: 64px;
}

.first-list ul {
  gap: 30px;
}

.first-list ul li {
  background-color: rgba(30, 30, 60, 0.4);
  border: 1px solid rgba(256, 256, 256, 0.1);
  border-radius: 8px;
  overflow-x: auto;
  padding: 15px 30px;
  width: 100%;
}

.first-list ul li span {
  font-size: 16px;
  font-weight: 700;
  line-height: 24px;
  color: var(--text-color-2);
}

.first-list ul li h3 {
  margin-top: 8px;
  font-size: 20px;
  font-weight: 700;
  line-height: 28px;
  color: var(--text-color);
}

.first-list ul li p {
  margin-top: 10px;
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: var(--text-color);
}

.second-list {
  margin-top: 64px;
  text-align: center;
}

.second-list h3 {
  font-size: 24px;
  font-weight: 700;
  line-height: 32px;
  color: var(--text-color);
}

.second-list ul {
  margin-top: 24px;
  gap: 24px;
}

.second-list ul li {
  background-color: rgba(30, 30, 60, 0.4);
  border: 1px solid rgba(256, 256, 256, 0.1);
  border-radius: 8px;
  padding: 33px 44px;
}

.second-list ul li p {
  margin-top: 10px;
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: var(--text-color);
}

/* virtual map */
.virtual-tour {
  background-color: #0d1126;
}

.virtual-tour-wrapper {
  padding: 80px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.virtual-content {
  flex-direction: column;
  text-align: center;
  width: 65%;
}

.virtual-content h2 {
  font-size: 48px;
  font-weight: 700;
  font-weight: 48px;
  color: var(--text-color);
}

.virtual-content span {
  color: var(--text-color-2);
}

.virtual-content p {
  margin-top: 16px;
  color: #d1d5db;
  font-size: 20px;
  font-weight: 400;
  line-height: 28px;
}

.virtual-map {
  position: relative;
  margin-top: 64px;
  width: 100%;
}

.virtual-map iframe {
  height: 837px;
  width: 100%;
  border-radius: 10px;
}

.virtual-map .map-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--botton-color);
  border-radius: 8px;
  z-index: 999;
  padding: 20px 25px;
  cursor: pointer;
  transition: all 0.3s;
}

.virtual-map .map-btn:hover {
  background-color: #ff4400d8;
  transition: all 0.3s;
}

.virtual-map .map-btn a {
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: var(--text-color);
}

.virtual-place {
  margin-top: 48px;
}

.virtual-place ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.virtual-place .virtual-card {
  width: 100%;
}

.virtual-place ul li {
  background-color: rgba(30, 30, 60, 0.4);
  border: 1px solid rgba(256, 256, 256, 0.1);
  border-radius: 8px;
}

.virtual-place ul li figure img {
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
  width: 100%;
}

.virtual-place-content {
  padding: 25px;
}

.virtual-place-content h3 {
  font-size: 20px;
  font-weight: 700;
  line-height: 28px;
  color: var(--text-color);
}

.virtual-place-content p {
  margin-top: 11px;
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: #d1d5db;
}

.virtual-place-content div {
  margin-top: 20px;
}

.virtual-place-content div a {
  color: var(--text-color-2);
  border: 1px solid var(--text-color-2);
  border-radius: 8px;
  padding: 8px 16px;
}

.virtual-place-bottom {
  flex-direction: column;
  text-align: center;
  margin-top: 65px;
}

.virtual-place-bottom div a {
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  background-color: var(--botton-color);
  color: var(--text-color);
  padding: 20px 32px;
  border-radius: 8px;
  box-shadow: 0 0 15px rgba(255, 69, 0, 0.7);
}

.virtual-place-bottom p {
  margin-top: 30px;
  font-size: 14px;
  font-weight: 400;
  line-height: 20px;
  color: #9ca3af;
}

/* home making */
.making-home {
  background-color: #0d1126;
}

.making-home-wrapper {
  padding: 80px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.home-card .card-list {
  gap: 24px;
  margin-top: 64px;
}
.home-card .card-list .card {
  background-color: rgba(30, 30, 60, 0.4);
  border: 1px solid rgba(256, 256, 256, 0.1);
  border-radius: 8px;
  padding: 25px;
}

.home-content {
  display: flex;
  flex-direction: column;
  text-align: center;
  width: 53%;
  align-items: center;
  justify-content: center;
}

.home-content h2 {
  font-size: 48px;
  font-weight: 700;
  line-height: 48px;
  color: var(--text-color);
}

.home-content span {
  color: var(--text-color-2);
}

.home-content p {
  margin-top: 20px;
  color: #d1d5db;
  font-size: 20px;
  font-weight: 400;
  line-height: 28px;
}

.card h3 {
  font-size: 20px;
  font-weight: 700;
  line-height: 28px;
  color: var(--text-color);
  margin-top: 24px;
}

.card p {
  margin-top: 11px;
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: #d1d5db;
}

.card-bottom-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
}

.card-bottom-list li:first-child {
  margin-top: 20px;
}

.card-bottom-list li i {
  color: var(--botton-color);
}

.card-bottom-list li p {
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: #9ca3af;
}

.colonization-timeline {
  display: flex;
  flex-direction: column;
  background-color: rgba(30, 30, 60, 0.4);
  border: 1px solid rgba(256, 256, 256, 0.1);
  border-radius: 8px;
  padding: 35px;
  margin-top: 64px;
  width: 100%;
}

.colonization-timeline .timeline-header {
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  line-height: 32px;
  color: var(--text-color);
}

.timeline-bottom-list {
  display: flex;
  flex-direction: column;
}

.colonization-timeline-list ul {
  display: flex;
  gap: 32px;
  margin-top: 24px;
}

.colonization-timeline-list ul li h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 28px;
  color: var(--text-color-2);
}

.timeline-bottom-list {
  margin-top: 16px;
}

.timeline-bottom-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}

.timeline-bottom-list li p {
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: #d1d5db;
}

.fa-circle-arrow-right {
  color: var(--text-color-2);
}

/* join us */
.join-us {
  background-color: #0d1126;
}

.join-us-wrapper {
  padding: 80px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.join-us-content {
  flex-direction: column;
  text-align: center;
  width: 67%;
}

.join-us-content h2 {
  font-size: 48px;
  font-weight: 700;
  line-height: 48px;
  color: var(--text-color);
}

.join-us-content span {
  color: var(--text-color-2);
}

.join-us-content p {
  margin-top: 20px;
  font-size: 20px;
  font-weight: 400;
  line-height: 28px;
  color: #d1d5db;
}

.join-us-body {
  align-items: flex-start;
  margin-top: 64px;
  gap: 40px;
}

.body-left {
  background-color: rgba(30, 30, 60, 0.4);
  border: 1px solid rgba(256, 256, 256, 0.1);
  border-radius: 8px;
  padding: 35px 33px;
  height: auto;
  width: 50%;
}

.body-left h3 {
  font-size: 24px;
  font-weight: 700;
  line-height: 32px;
  color: var(--text-color);
}

.body-left p {
  font: 18px;
  font-weight: 400;
  line-height: 24px;
  color: #d1d5db;
  margin-top: 27px;
}

.body-left form {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.body-left form label {
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
  color: #d1d5db;
}

.body-left form input {
  background-color: rgb(30, 30, 60, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 13px 17px;
  color: var(--text-color);
  font-size: 16px;
  font-weight: 400;
}

.body-left form input::placeholder {
  font-size: 16px;
  font-weight: 400;
  color: #9ca3af;
}

.option {
  color: var(--text-color);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.option-list {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.option-list label {
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: #d1d5db;
}

.fullname,
.email {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.fullname span {
  display: none;
  color: red;
  font-size: 12px;
  font-weight: 400;
  line-height: 24px;
}

.email span {
  display: none;
  color: red;
  font-size: 12px;
  font-weight: 400;
  line-height: 24px;
}

.option span {
  margin-top: 10px;
  display: none;
  color: red;
  font-size: 12px;
  font-weight: 400;
  line-height: 24px;
  width: 100%;
}

.body-left form button {
  background-color: var(--botton-color);
  padding: 15px 0;
  border-radius: 8px;
  box-shadow: 0 0 15px rgba(255, 69, 0, 0.7);
  outline: none;
  border: 0;
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: #ffffff;
}

.body-left .success {
  display: none;
  margin-top: 15px;
  color: green;
  font-size: 12px;
  font-weight: 400;
  line-height: 24px;
  text-align: center;
}

.body-right {
  width: 50%;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.body-right .program,
.career {
  background-color: rgba(30, 30, 60, 0.4);
  border: 1px solid rgba(256, 256, 256, 0.1);
  border-radius: 8px;
  padding: 35px 33px;
}

.program h3 {
  font-size: 24px;
  font-weight: 700;
  line-height: 32px;
  color: var(--text-color);
}

.program-content ul {
  display: flex;
  flex-direction: column;
  margin-top: 16px;
  gap: 20px;
}

.program-content ul li {
  display: flex;
  gap: 16px;
}

.program-content ul li figcaption h3 {
  font-size: 16px;
  font-weight: 700;
  line-height: 28px;
  color: var(--text-color);
}

.program-content ul li figcaption p {
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: #d1d5db;
}

.career h3 {
  font-size: 24px;
  font-weight: 700;
  line-height: 32px;
  color: var(--text-color);
}

.career p {
  margin-top: 20px;
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: #d1d5db;
}

.career ul li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #161b36;
  margin-top: 20px;
  padding: 17px 12px;
  border-radius: 8px;
}

.career ul li span {
  color: var(--text-color);
  font-size: 16px;
  font-weight: 600;
  line-height: 24px;
}

.career ul li a {
  color: var(--botton-color);
  padding: 8px 13px;
  border: 1px solid #ff4500;
  border-radius: 8px;
}

.career-btn {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.career-btn a {
  background-color: var(--botton-color);
  padding: 15px 20px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: var(--text-color);
  box-shadow: 0 0 15px rgba(255, 69, 0, 0.7);
}

/* footer */
.footer {
  background-color: #06071a;
  position: relative;
}

.footer-wrapper {
  padding: 48px 0;
}

.footer-top {
  padding-bottom: 48px;
  justify-content: space-between;
}

.box h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 28px;
  color: var(--text-color);
}

.box ul {
  margin-top: 27px;
}

.box ul li {
  margin-top: 20px;
}

.box ul li a {
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: #9ca3af;
}

.box ul li p {
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: #9ca3af;
}

.box-1 {
  width: 29%;
}

.box-1 p {
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: #6b7280;
  margin-top: 27px;
}

.box-1 ul {
  gap: 16px;
  margin-top: 28px;
}

.box-1 ul li {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #161b36;
  padding: 12px;
  border-radius: 50%;
}

.box-1 ul li i {
  color: var(--text-color);
  font-size: 13px;
}

.box-4 {
  width: 30%;
}

.box-4 ul li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 33px;
}

.footer-bottom ul {
  gap: 24px;
}

.footer-bottom span {
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: #6b7280;
}

.footer-bottom ul li a {
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: #6b7280;
}

.upper-up-btn-wrapper {
  display: none;
  position: fixed;
  right: 50px;
  bottom: 140px;
}

.upper-up-btn-wrapper:hover {
  animation: full-rotate 5s ease-in-out;
}

#scrollBtn a {
  font-size: 20px;
  background-color: var(--botton-color);
  color: var(--text-color);
  padding: 15px;
  border-radius: 100%;
}

/* responsive */
@media screen and (max-width: 1499px) {
  .banner-content h1 {
    font-size: 70px;
  }
}

@media screen and (min-width: 1200px) {
}

@media screen and (max-width: 1199px) {
  /* navbar */
  .nav-wrapper {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
  }

  .humbarger {
    position: absolute;
    right: 20px;
    display: block;
  }

  .humbarger i {
    font-size: 35px;
    transition: transform 0.3s ease;
  }

  .humbarger.active i {
    transform: rotate(180deg);
  }

  .nav-btn {
    top: 13px;
    right: 70px;
    position: absolute;
  }

  .nav-menu ul {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    margin-top: 25px;
  }

  .nav-menu.show-menu ul {
    display: block;
    padding: 0 15px;
  }

  .nav-menu.show-menu ul li {
    margin-top: 30px;
  }

  /* banner */
  .banner-content h1 {
    font-size: 59px;
  }
  /* about */
  .about-wrapper .about-content h2 {
    font-size: 42px;
  }
  .about-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .bottom-about-content ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .bottom-about-content ul {
    gap: 15px;
  }

  /* timeline */
  .timeline-content h2 {
    font-size: 42px;
  }
  .first-list ul {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  /* virtual tour */
  .virtual-content h2 {
    font-size: 42px;
  }

  /* making home */
  .home-content h2 {
    font-size: 42px;
  }
  .card-bottom-list li {
    align-items: baseline;
  }

  .first-list ul {
    gap: 15px;
  }

  .second-list ul {
    gap: 15px;
  }

  /* join us */
  .join-us-content h2 {
    font-size: 42px;
  }
  .join-us-body {
    gap: 15px;
  }

  .home-card .card-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
}

@media screen and (max-width: 992px) {
  /* banner */
  .banner-content h1 {
    font-size: 46px;
  }

  .banner-content p {
    font-size: 18px;
    margin-top: 24px;
  }

  .banner-content div a {
    font-size: 16px;
  }

  .banner-content div {
    padding: 15px 25px;
  }

  /* about */
  .about-wrapper {
    padding: 50px 0;
  }
  .about-wrapper .about-content h2 {
    font-size: 31px;
  }

  .about-wrapper .about-content p {
    font-size: 16px;
  }

  .about-wrapper .main-about-content .left-about-part figure {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .about-wrapper .main-about-content .left-about-part figure img {
    height: auto;
    width: auto;
  }

  .main-about-content {
    flex-direction: column;
  }

  .about-wrapper .main-about-content .right-about-part {
    width: 100%;
  }

  .bottom-about-content ul {
    gap: 15px;
  }

  /* timeline */
  .timeline-wrapper {
    padding: 50px 0;
  }

  .timeline-content h2 {
    font-size: 31px;
  }

  .timeline-content p {
    font-size: 16px;
  }

  .first-list ul li h3 {
    font-size: 18px;
  }

  .second-list ul li {
    padding: 20px 30px;
  }

  .second-list li h3 {
    font-size: 16px;
  }

  .second-list ul li p {
    font-size: 14px;
  }

  .first-list ul {
    gap: 15px;
  }

  .second-list ul {
    gap: 15px;
  }

  /* making home */
  .home-card .card-list {
    gap: 15px;
  }

  /* virtual place */
  .virtual-tour-wrapper {
    padding: 50px 0;
  }

  .virtual-content h2 {
    font-size: 31px;
  }

  .virtual-content p {
    font-size: 16px;
  }

  .virtual-place ul {
    gap: 15px;
  }

  .virtual-place-content h3 {
    font-size: 17px;
  }

  .virtual-place-content p {
    font-size: 12px;
  }
  .virtual-place-content div a {
    font-size: 14px;
    padding: 8px 10px;
  }

  .virtual-place-bottom {
    margin-top: 50px;
  }

  .virtual-place-bottom div a {
    font-size: 14px;
    padding: 15px 20px;
  }

  .virtual-place-bottom p {
    font-size: 12px;
  }

  /* making home */
  .making-home-wrapper {
    padding: 50px 0;
  }

  .home-content h2 {
    font-size: 31px;
  }

  .home-content p {
    font-size: 17px;
  }

  .home-card .card-list {
    gap: 20px;
  }
  .home-card .card-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .colonization-timeline {
    margin-top: 40px;
  }

  .colonization-timeline-list ul {
    gap: 14px;
  }

  .colonization-timeline-list ul li h3 {
    font-size: 15px;
  }

  .timeline-bottom-list li p {
    font-size: 13px;
  }

  .home-card .card-list .card {
    padding: 20px;
  }

  .card h3 {
    font-size: 18px;
  }

  .card p {
    font-size: 14px;
  }

  .card-bottom-list li p {
    font-size: 12px;
  }

  /* join us */
  .join-us-wrapper {
    padding: 50px 0;
  }

  .join-us-content h2 {
    font-size: 31px;
  }

  .join-us-content p {
    font-size: 16px;
  }

  .join-us-body {
    gap: 25px;
    flex-direction: column;
  }

  .body-left {
    width: 100%;
  }

  .body-left h3 {
    font-size: 21px;
  }

  .body-left p {
    font-size: 14px;
  }

  .body-left form label {
    font-size: 10px;
  }

  .body-left form input {
    padding: 10px 17px;
    font-size: 14px;
  }

  .body-left form button {
    padding: 10px 0;
  }

  .body-right {
    width: 100%;
    flex-direction: row;
    gap: 15px;
  }

  .career ul li span {
    font-size: 12px;
  }

  .career ul li a {
    padding: 8px 13px;
    font-size: 12px;
  }

  .career h3 {
    font-size: 21px;
  }

  .career-btn a {
    padding: 10px 15px;
    font-size: 14px;
  }

  .program h3 {
    font-size: 21px;
  }

  .program-content ul li figcaption h3 {
    font-size: 14px;
  }

  .program-content ul li figcaption p {
    font-size: 15px;
  }

  /* footer */
  .footer-top {
    flex-wrap: wrap;
    gap: 40px;
  }

  .footer-bottom span {
    font-size: 14px;
  }

  .footer-bottom ul li a {
    font-size: 14px;
  }

  .footer-bottom ul {
    gap: 15px;
  }
}

@media screen and (max-width: 768px) {
  /* navbar */
  .humbarger i {
    font-size: 30px;
  }
  .nav-btn {
    padding: 9px 20px;
    top: 17px;
  }

  .nav-btn a {
    font-size: 14px;
  }

  .nav-wrapper a figure figcaption {
    font-size: 20px;
  }

  /* banner */
  .banner-content {
    width: 100%;
    padding-top: 0;
  }
  .banner-content h1 {
    font-size: 33px;
  }

  .banner-content p {
    margin-top: 10px;
  }

  /* about */
  .about-wrapper .about-content {
    width: 90%;
  }

  .about-wrapper .about-content h2 {
    font-size: 28px;
  }

  .about-wrapper .about-content p {
    font-size: 14px;
  }

  .about-wrapper .main-about-content .left-about-part figure {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
  }

  .about-wrapper .main-about-content .left-about-part figure img {
    width: 100%;
  }

  .about-wrapper .main-about-content .right-about-part ul li p {
    font-size: 14px;
  }

  .bottom-about-content ul li .bottom-content p {
    font-size: 14px;
  }
  /* timeline */
  .timeline-content {
    width: 90%;
  }

  .timeline-content h2 {
    font-size: 28px;
  }

  .timeline-content p {
    font-size: 14px;
    margin-top: 8px;
  }
  .first-list ul {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }

  .first-list ul li h3 {
    font-size: 16px;
  }

  .first-list ul li p {
    font-size: 14px;
  }

  .second-list {
    margin-top: 50px;
  }

  .second-list ul {
    flex-direction: column;
  }

  .second-list h3 {
    font-size: 18px;
  }

  /* virtual tour */
  .virtual-content {
    width: 90%;
  }
  .virtual-content h2 {
    font-size: 28px;
  }

  .virtual-content p {
    font-size: 14px;
  }

  .virtual-place ul {
    grid-template-columns: repeat(2, 1fr);
  }

  .virtual-place-content div a {
    font-size: 12px;
    padding: 5px 8px;
  }

  .virtual-place-bottom div a {
    font-size: 13px;
    padding: 10px 15px;
  }

  .virtual-place-bottom p {
    font-size: 11px;
  }

  /* making home */
  .home-content {
    width: 90%;
  }

  .home-content h2 {
    font-size: 28px;
  }

  .home-content p {
    font-size: 14px;
  }

  .home-card .card-list {
    margin-top: 40px;
    gap: 15px;
  }

  .colonization-timeline-list ul {
    flex-direction: column;
    gap: 12px;
  }

  .timeline-list {
    margin-top: 10px;
  }

  /* join us  */
  .join-us-content {
    width: 90%;
  }

  .join-us-content h2 {
    font-size: 28px;
  }

  .join-us-content p {
    font-size: 14px;
  }

  .body-right .program,
  .career {
    padding: 25px 33px;
  }

  .body-left form button {
    padding: 8px 0;
  }

  .body-left form label {
    font-size: 12px;
  }

  .body-right {
    flex-direction: column;
  }

  .program h3 {
    font-size: 19px;
  }

  .program-content ul li figcaption p {
    font-size: 13px;
  }

  .career h3 {
    font-size: 19px;
  }

  .career p {
    font-size: 14px;
  }

  .career-btn a {
    padding: 8px 12px;
    font-size: 12px;
  }

  /* footer */
  .footer-wrapper {
    padding: 30px 0;
  }
  .box {
    width: 45%;
  }

  .box-1 {
    width: 35%;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    padding-top: 20px;
  }

  .footer-bottom span {
    font-size: 14px;
  }

  .footer-bottom ul li a {
    font-size: 14px;
  }
}

@media screen and (max-width: 575px) {
  /* navbar */
  .humbarger {
    right: 15px;
  }
  .humbarger i {
    font-size: 25px;
  }
  .nav-btn {
    right: 50px;
    top: 19px;
  }

  .nav-btn {
    padding: 5px 10px;
    top: 17px;
  }

  .nav-wrapper a figure figcaption {
    font-size: 18px;
  }
  .nav-btn {
    padding: 5px 10px;
  }

  .nav-btn a {
    font-size: 12px;
  }

  .nav-menu ul li a {
    font-size: 14px;
  }
  /* navbar */
  .nav-btn {
    padding: 9px 12px;
  }

  /* banner */
  .banner-content h1 {
    font-size: 30px;
  }

  .banner-content p {
    font-size: 15px;
  }

  .banner-content div {
    margin-top: 30px;
  }

  .banner-content div {
    padding: 10px 20px;
  }

  .banner-content div a {
    font-size: 14px;
  }

  /* about */
  .about-wrapper .about-content {
    width: 100%;
  }

  .about-wrapper .about-content h2 {
    font-size: 25px;
  }

  .about-wrapper .about-content p {
    font-size: 12px;
  }

  .about-wrapper .main-about-content .right-about-part h3 {
    font-size: 20px;
  }

  .about-wrapper .main-about-content .right-about-part ul li p {
    font-size: 13px;
  }

  .about-wrapper .main-about-content .right-about-part .about-list {
    gap: 8px;
  }

  .about-list .about-card {
    padding: 10px 15px;
  }

  .about-wrapper .main-about-content .right-about-part .about-list li span {
    font-size: 12px;
  }

  .about-wrapper .main-about-content .right-about-part .about-list li strong {
    font-size: 14px;
  }

  .bottom-about-content ul {
    grid-template-columns: repeat(1, 1fr);
    gap: 15px;
  }

  .bottom-about-content ul li .bottom-content h3 {
    font-size: 18px;
  }

  .bottom-about-content ul li .bottom-content p {
    font-size: 12px;
  }

  /* timeline */
  .timeline-content {
    width: 100%;
  }
  .timeline-content h2 {
    font-size: 25px;
  }

  .timeline-content p {
    font-size: 12px;
  }

  .first-list ul {
    grid-template-columns: repeat(1, 1fr);
    gap: 10px;
  }

  .first-list ul li h3 {
    font-size: 14px;
  }

  .first-list ul li p {
    font-size: 12px;
  }

  .second-list li h3 {
    font-size: 14px;
  }

  .second-list ul li p {
    font-size: 12px;
  }

  /* virtual tour */
  .virtual-content {
    width: 100%;
  }
  .virtual-content h2 {
    font-size: 25px;
  }

  .virtual-content p {
    font-size: 12px;
  }

  .virtual-place ul {
    grid-template-columns: repeat(1, 1fr);
  }

  .virtual-map .map-btn {
    padding: 10px 12px;
  }

  .virtual-map .map-btn a {
    font-size: 14px;
  }

  /* making home */
  .home-content {
    width: 100%;
  }
  .home-content h2 {
    font-size: 25px;
  }

  .home-content p {
    font-size: 12px;
  }

  .card h3 {
    font-size: 16px;
  }

  .home-card .card-list {
    grid-template-columns: repeat(1, 1fr);
  }

  .colonization-timeline .timeline-header {
    font-size: 18px;
  }

  /* join us */
  .join-us-content {
    width: 100%;
  }
  .join-us-content h2 {
    font-size: 25px;
  }

  .join-us-content p {
    font-size: 12px;
  }

  /* footer */
  .box {
    width: 45%;
  }

  .box ul li a {
    font-size: 14px;
  }

  .box ul li p {
    font-size: 14px;
  }

  .box-1 p {
    font-size: 15px;
  }

  .box-1 ul {
    gap: 10px;
  }

  .box-1 ul li {
    padding: 10px;
  }

  /* scroll button */
  .upper-up-btn-wrapper {
    right: 20px;
  }

  .upper-up-btn-wrapper a {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
  }

  .upper-up-btn-wrapper a i {
    font-size: 14px;
  }
}

@media screen and (max-width: 480px) {
  /* navbar */
  .humbarger {
    right: 15px;
  }
  .humbarger i {
    font-size: 20px;
  }
  .nav-wrapper a figure figcaption {
    font-size: 15px;
  }
  .nav-btn {
    padding: 5px 8px;
    right: 50px;
    top: 19px;
  }
  .nav-btn a {
    font-size: 11px;
  }
  .nav-menu ul li a {
    font-size: 12px;
  }
  /* banner */
  .banner-content p {
    font-size: 13px;
  }

  /* about */

  .bottom-about-content ul li .bottom-content h3 {
    margin-top: 10px;
    font-size: 14px;
  }

  /* virtual tour */
  .virtual-map .map-btn a {
    font-size: 12px;
  }

  .virtual-map .map-btn {
    padding: 8px 10px;
  }

  /* making home */
  .card h3 {
    font-size: 14px;
    margin-top: 10px;
  }
  .card p {
    font-size: 12px;
  }
  .colonization-timeline-list ul li h3 {
    font-size: 14px;
  }
  .timeline-bottom-list li p {
    font-size: 12px;
  }

  /* join us */
  .body-left h3 {
    font-size: 16px;
  }

  /* making home */
  .program h3 {
    font-size: 16px;
  }
  .program-content ul li figcaption p {
    font-size: 12px;
  }
  .program-content ul li figcaption h3 {
    font-size: 13px;
  }
  .career h3 {
    font-size: 16px;
  }
  .career p {
    font-size: 12px;
  }

  /* footer */
  .footer-top {
    flex-direction: column;
    align-items: center;
  }

  .box {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
  }

  .box h3 {
    font-size: 14px;
  }

  .box ul li a {
    font-size: 12px;
  }

  .box ul li p {
    font-size: 12px;
  }

  .box-1 {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .box-4 ul li {
    flex-direction: column;
    gap: 10px;
  }
  .footer-bottom ul li a {
    font-size: 11px;
  }

  /* scroll button */
  .upper-up-btn-wrapper {
    right: 20px;
  }

  .upper-up-btn-wrapper a {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
  }

  .upper-up-btn-wrapper a i {
    font-size: 14px;
  }
}

/* animation */
@keyframes full-rotate {
  form {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}