/* common */
* {
  margin: 0;
  padding: 0;
}

body, textarea {
  height: 100%;
  width: 100%;
  background-color: #01282E;
  font-family: Arial, Helvetica, sans-serif;
}

html {
  scroll-behavior: smooth;
}

div, nav, footer, main {
  color: white;
}

p {
  line-height: 1.5;
}

h1 {
  text-align: center;
}

h2 {
  padding: 30px 0;
}

h3 {
  padding: 5px 0;
}

nav, footer {
  background-color: #036271;
}

.h-70 {
  font-size: 70px;
}

.h-32 {
  font-size: 32px;
}

.h-24 {
  font-size: 24px;
}

.h-20 {
  font-size: 20px;
}

.p-18 {
  font-size: 18px;
}

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

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

.logo {
  width: 160px;
}

.common-container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#loading-spinner {
  width: 48px;
  height: 48px;
  border: 5px dotted #FFF;
  border-radius: 50%;
  box-sizing: border-box;
  animation: rotation 2s linear infinite;
  transform: translate(-50%,-50%);
  position:fixed;
  z-index:99;
  top:0;
  left:0;
  right:0;
  bottom:0;
  margin:auto;
}

@keyframes rotation {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
} 

.action-button {
  width: 280px;
  height: 50px;
  margin: 35px auto;
  background-color: white;
  border-radius: 10px;
  color: #01282E;
  border: none;
  transition: all 0.3s ease;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
  font-size: 18px;
}

.action-button:hover {
  cursor: pointer;
  transform: translateY(-3px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  background-color: #036271;
  color: white;
}

.gradient-words {
  background: -webkit-linear-gradient(left, #A5FEC9, #99ABFF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  padding: 20px 0;
}

.title-container, 
.summary-container p {
  animation: fade-in 5s;
}

@keyframes fade-in {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

.animated-section {
  scale: 0.8;
  opacity: 0;
  transition: opacity 1s ease-in, transform 1s ease-in;
}

.animated-section.visible {
  opacity: 1;
  scale: 1;
}

/* main */
main {
  width: 100%;
  min-height: 470vh;
  overflow: auto;
}

.main-top {
  background-color: black;
  min-height: 95vh;
}

.title-container {
  margin: 0 auto;
  padding: 100px 0 80px 0;
}

.title-container h1 {
  width: 90%;
  margin: auto;
}

.video-container {
  width: 100%;
  height: 30vh;
  overflow: hidden;
  position: relative;
}

.video-container video {
  position: absolute;
  top: -10%;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.summary-container {
  text-align: center;
  display: flex;
  justify-content: center;
  background-color: black;
  padding: 30px 0 80px 0;
}

.summary-container p {
  width: 70%;
}

.dark-bg-box {
  width: 200px;
  height: 200px;
  background-color: black;
  opacity: 0.5;
}

.module-planning-img-container .dark-bg-box {
  top: 2px;
  left: 380px;
  position: absolute;
}

.module-planning-section {
  min-height: 45vh;
  overflow: auto;
  background: linear-gradient(0.25turn, #038194, #01282E);
}

.module-planning-contents,
.dynamic-roleplays-contents {
  display: flex;
  flex-direction: row;
  margin: auto;
}

.module-planning-img-container {
  margin: 50px 0 30px 50px;
  position: relative;
  width: 471px;
}

.module-planning-img-container img {
  width: 545px;
  height: 345px;
  display: block;
  z-index: 1;
  position: relative;
  top: 33px;
}

.module-planning-content-container {
  width: 30%;
  padding: 155px 100px 155px 175px;
}

.dynamic-roleplays-section {
  min-height: 45vh;
  overflow: auto;
  background: linear-gradient(0.25turn, #01282E, #038194);
}

.dynamic-roleplays-content-container {
  width: 30%;
  padding: 130px 142px 155px 105px;
}

.dynamic-roleplays-img-container {
  margin: auto;
  position: relative;
}

.dynamic-roleplays-img-container img {
  width: 300px;
  z-index: 1;
  position: relative;
  display: block;
}

.dynamic-roleplays-img-container .dark-bg-box {
  top: 100px;
  right: 86px;
  position: absolute;
}

.trainee-img-man {
  top: 0px;
  right: 155px;
}

.trainee-img-woman {
  top: 0px;
  right: -79px;
}

.power-of-ai-section,
.contact-section,
.about-section {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.feedback-section {
  min-height: 80vh;
  overflow: auto;
  background: linear-gradient(0.25turn, #038194, #01282E);
}

.feedback-top {
  width: 100%;
  margin: auto;
}

.feedback-top p {
  text-align: center;
  width: 83%;
  margin: auto;
}

.feedback-top img {
  width: 85%;
  display: block;
  margin: 75px auto;
}

.feedback-cards {
  display: grid;
  row-gap: 30px;
  column-gap: 15px;
  grid-template-columns: auto auto;
  padding: 30px;
  width: 90%;
}

.feedback-card {
  width: 100%;
  min-height: 170px;
  border-radius: 10px;
  border: 1px #fff solid;
  margin: auto;
}

.feedback-card p {
  padding: 2px 23px 20px 23px;
  color: #D5D4D4;
}

.feedback-item-title {
  display: flex;
  flex-direction: column;
  padding: 15px 20px 10px 20px;
}

.feedback-item-title img {
  width: 50px;
}

.feedback-item-title h3 {
  padding: 12px 5px 0 5px;
}

.feedback-summary {
  margin: 75px 20px;
  display: flex;
  flex-direction: row;
  background-color: rgba(0, 0, 0, 0.5);
}

.feedback-summary-container {
  padding: 125px 50px 80px 50px;
}

.metrics-img-container img {
  width: 555px;
  padding: 20px;
}

.power-of-ai-section {
  min-height: 110vh;
  overflow: auto;
  padding-bottom: 30px;
}

.power-of-ai-section .ai-dialogue-box p {
  width: 100%;
  text-align: center;
}

.power-of-ai-section p {
  width: 83%;
  text-align: center;
  display: block;
  margin: auto;
}

.power-of-ai-section button {
  display: block;
  margin: 60px auto;
}

.ai-dialogue-container {
  display: flex;
  flex-direction: row;
  justify-content: center;
  margin: 30px 0;
}

.ai-dialogue-box {
  width: 26%;
  min-height: 235px;
  overflow: auto;
  margin: 20px;
  padding: 20px;
  position: relative;
  border-radius: 10px;
  background: transparent;
}

.ai-dialogue-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 10px;
  padding: 1px;
  background: linear-gradient(to bottom, #4BE1EC 0%, #CB5EEE 100%);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  pointer-events: none;
}

.ai-dialogue-box h3 {
  text-align: center;
}

.ai-dialogue-box p {
  color: #D5D4D4;
}

.ai-dialogue-box img {
  display: block;
  width: 80px;
  margin: 20px auto;
}

.about-section {
  position: relative;
  min-height: 70vh;
  overflow: auto;
  background: url("../images/about-bg.jpg") center top;
  background-size: cover;
}

.about-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
}

.about-section > * {
  position: relative;
  z-index: 1;
}

.about-container {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.about-container p {
  width: 60%;
  padding: 20px 0;
}

.feedback-section h1,
.power-of-ai-section h1,
.contact-section h1,
.about-section h1 {
  margin: 50px 0;
}

.contact-section {
  min-height: 80vh;
  overflow: auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  margin: auto;
  margin-bottom: 50px;
  width: 100%;
}

.contact-form input, .contact-form textarea {
  border-radius: 10px;
  background-color: #01282E;
  border-color: rgb(188, 187, 187);
  margin: 10px 0;
  padding: 15px;
  color: white;
  width: 700px;
  box-sizing: border-box;
}

.contact-form textarea {
  resize: vertical;
}

.send-button {
  width: 40%;
  margin: 35px auto;
}

@media (min-width: 1601px) {
  .h-32 {
    font-size: 45px;
  }

  .h-24 {
    font-size: 35px;
  }

  .p-18 {
    font-size: 20px;
  }

  .summary-container p {
    width: 60%;
  }
}

@media (max-width: 1015px) {
  .module-planning-contents {
    flex-direction: column;
    width: 80%;
  }

  .module-planning-img-container {
    padding: 0px;
    margin: 50px auto;
  }

  .module-planning-img-container img {
    margin-bottom: 0;
    height: auto;
    top: -50;
    left: -43px;
  }

  .module-planning-img-container .dark-bg-box {
    left: 342px;
  }

  .module-planning-content-container,
  .dynamic-roleplays-content-container {
    width: 70%;
    margin: auto;
    margin-bottom: 60px;
    padding: 0;
  }

  .module-planning-content-container h2,
  .dynamic-roleplays-content-container h2 {
    padding: 50px 0 30px 0;
    text-align: center;
  }

  .module-planning-content-container p,
  .dynamic-roleplays-content-container p {
    text-align: center;
  }

  .dynamic-roleplays-contents {
    flex-direction: column-reverse;
    width: 80%;
  }

  .dynamic-roleplays-img-container .dark-bg-box {
    top: 112px;
    right: 52px;
  }
  
  .trainee-img-man {
    top: 20px;
    right: 120px;
  }
  
  .trainee-img-woman {
    top: 2px;
    right: -113px;
  }

  .feedback-cards {
    row-gap: 20px;
    grid-template-columns: auto;
    width: 65%;
  }

  .feedback-summary {
    margin: 50px 20px;
    flex-direction: column;
  }
  
  .feedback-summary-container {
    padding: 40px 50px;
  }

  .feedback-summary-container p {
    text-align: center;
  }
  
  .metrics-img-container img {
    width: 555px;
    padding-top: 50px;
    display: block;
    margin: auto;
  }
}

@media (max-width: 768px) {
  .action-button {
    width: 250px;
  }

  /* main */
  h2 {
    padding: 15px 0;
  }

  .h-70 {
    font-size: 50px;
  }

  .p-18 {
    font-size: 16px;
  }

  .p-17 {
    font-size: 15px;
  }

  .main-top {
    min-height: 65vh;
  }

  .title-container {
    width: 100%;
    margin: 0 auto;
    padding: 50px 0 20px 0;
  }

  .title-container h1 {
    width: 85%;
  }
  
  .video-container {
    height: 20vh;
  }

  .video-container video {
    position: absolute;
    top: -10%;
    left: 0;
    width: 100%;
  }

  .summary-container p {
    width: 80%;
  }

  .module-planning-img-container,
  .dynamic-roleplays-img-container {
    width: 100%;
  }

  .dynamic-roleplays-content-container h2 {
    padding: 15px 0 30px 0;
  }

  .module-planning-img-container img,
  .dynamic-roleplays-img-container img {
    width: 100%;
    margin: auto;
  }

  .module-planning-img-container img {
    left: 0;
  }

  .module-planning-content-container,
  .dynamic-roleplays-content-container {
    width: 100%;
  }

  .dark-bg-box {
    display: none;
  }
  
  .dynamic-roleplays-img-container img.trainee-img-man {
    display: none;
  }

  .dynamic-roleplays-img-container img.trainee-img-woman {
    position: static;
    display: block;
    margin: 50px auto;
  }

  .feedback-top {
    width: 80%;
  }

  .feedback-top img {
    width: 90%;
  }

  .feedback-cards {
    width: 90%;
  }

  .feedback-card {
    width: 90%;
  }

  .feedback-summary-container {
    padding: 10px 50px 40px 50px;
  }

  .feedback-summary {
    width: 95%;
    margin: 30px auto;
  }

  .metrics-img-container {
    width: 100%;
  }

  .metrics-img-container img {
    width: 90%;
    padding: 40px 0;
  }

  .ai-dialogue-container {
    flex-direction: column;
    align-items: center;
  }

  .ai-dialogue-box {
    width: 70%;
  }

  .power-of-ai-section h1 {
    width: 90%;
  }

  .power-of-ai-section p
  {
    width: 80%;
  }

  .about-container p {
    width: 80%;
  }  
  
  .contact-form {
    width: 70%;
  }

  .contact-form input,
  .contact-form textarea {
    width: 100%;
  }
  
  .send-button {
    width: 100%;
  }
}

@media (max-width: 630px) {
  .title-container {
    padding: 60px 0 20px 0;
  }
}