main {
  opacity: 0;
}

/* section.hero */
section.hero {
  margin-top: 75px;
  padding-top: 120px;
}

section.hero h1 {
  font-size: 90px;
  line-height: 1.3;
  text-align: center;
  margin: 0;
}

.en section.hero h1 {
  font-size: 70px;
}

section.hero h3 {
  font-size: 22px;
  font-weight: 700;
  line-height: 42px;
  text-align: center;
  margin: 0;
  margin-top: 32px;
}

section.hero .marquee {
  position: relative;
  width: 80%;
  margin: 60px auto 0;
  background-color: var(--uttc-black);
  padding-top: 3.5vh;
  padding-bottom: 3.5vh;
}

section.hero .marquee-container {
  background-color: transparent;
  height: 25vh;
  gap: 30px;
}

section.hero .marquee-container .marquee-content {
  display: flex;
  gap: 30px;
}

section.hero .marquee-container .marquee-content span {
  font-family: "Montserrat", sans-serif;
  font-size: 10vmin;
  font-weight: 900;
  color: var(--uttc-white);
}

section.hero .marquee-container .marquee-content span:nth-child(odd) {
  color: var(--uttc-gray);
}

section.hero .marquee-content {
  animation: marquee 60s linear infinite;
}

section.hero .marquee-container.is-reverse .marquee-content {
  animation: marquee-reverse 60s linear infinite;
}

section.hero .video-container {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
}

section.hero .video-container video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

section.hero .video-container::before {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(30, 30, 30, 0.6);
  content: '';
  z-index: 1;
}

section.hero .learn-more {
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: center;
  align-items: center;
  position: absolute;
  right: 70px;
  top: -70px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background-color: var(--uttc-gold);
  text-decoration: none;
  z-index: 1;
}

section.hero .learn-more div {
  font-size: 16px;
  font-weight: 700;
  color: var(--uttc-white);
}

section.hero .learn-more img {
  transform: rotate(90deg) translateY(50%);
  transform-origin: bottom;
  width: 20px;
  position: relative;
  top: -10px;
}

@media (max-width: 991.98px) {
  section.hero {
    margin-top: 40px;
    padding-top: 100px;
  }

  section.hero h1 {
    font-size: 58px;
    text-align: left;
  }

  section.hero h3 {
    font-size: 18px;
    line-height: 31.5px;
    margin-top: 27px;
    text-align: left;
  }

  section.hero .marquee-container {
    height: 20vh;
  }

  section.hero .learn-more {
    right: 30px;
  }
}

@media (max-width: 575.98px) {
  section.hero h1 {
    font-size: 44px !important;
  }

  .en section.hero h1 {
    font-size: 36px !important;
  }

  section.hero .marquee-container {
    height: 15vh;
  }

  section.hero .learn-more {
    right: 15px;
    top: -50px;
    width: 100px;
    height: 100px;
    gap: 8px;
  }

  section.hero .learn-more div {
    font-size: 14px;
  }
}

/* section.about */
section.about {
  position: relative;
  padding-top: 120px;
  padding-bottom: 90px;
  overflow: hidden;
}

section.about .about__heading {
  position: absolute;
  left: 0;
  top: 0;
  font-family: "Montserrat", sans-serif;
  font-size: 120px;
  font-weight: 900;
  color: #f7f8f9;
  animation: heading_rotation 30s linear 1.74s infinite;
  z-index: -1;
}

@keyframes heading_rotation {
  0% {
    transform: rotate(-60deg);
  }

  100% {
    transform: rotate(-420deg);
  }
}

section.about h2 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.5;
  margin: 0;
}

section.about h2 .emsp {
  display: inline-block;
  width: 1em;
}

section.about h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  margin: 0;
  margin-bottom: 24px;
  color: var(--uttc-gray)
}

section.about h3 .line {
  display: inline-block;
  width: 66px;
  height: 1px;
  background-color: var(--uttc-gray);
}

section.about .about__content {
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin: 60px 0 0 auto;
  width: 50vw;
}

section.about .about__content p {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--uttc-gray);
  margin: 0;
}

@media (max-width: 991.98px) {
  section.about {
    padding-top: 120px;
    padding-bottom: 60px;
  }

  section.about .about__heading {
    font-size: 90px;
  }

  section.about h2 {
    font-size: 32px;
  }

  section.about h3 {
    font-size: 14px;
    margin-bottom: 15px;
  }

  section.about .about__content {
    width: 70vw;
  }

  section.about .about__content p {
    font-size: 18px;
  }
}

@media (max-width: 575.98px) {
  section.about .about__heading {
    top: 10%;
    font-size: 60px;
  }

  section.about h2 .emsp {
    width: 0;
  }

  section.about .about__content {
    width: 100%;
  }
}

/* section.product */
section.product {
  padding-top: 90px;
  padding-bottom: 90px;
}

section.product h2 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.5;
  margin: 0;
}

section.product .product__list {
  margin-top: 60px;
}

section.product .product__item {
  display: flex;
  align-items: center;
  gap: 3.58vw;
  border-top: 1px solid var(--uttc-light-gray);
  padding: 0 32px 0 32px;
  color: var(--uttc-black);
  text-decoration: none;
  transition-property: padding;
  transition-duration: .5s;
  transition-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

section.product .product__item:hover {
  padding-left: 0;
  padding-right: 0;
}

section.product .product__item:last-child {
  border-bottom: 1px solid var(--uttc-light-gray);
}

section.product .product__item-logo {
  position: relative;
  display: flex;
  min-width: 113px;
  max-width: 113px;
}

section.product .product__item-logo img {
  width: 100%;
}

section.product .product__item-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.75;
  padding-top: 16px;
}

section.product .product__item-description {
  font-size: 14px;
  line-height: 1.5;
  color: var(--uttc-gray);
  padding-bottom: 16px;
}

section.product .product__item-cta {
  margin-left: auto;
}

section.product .product__item-cta-icon {
  width: 30px;
  height: 30px;
  display: block;
  position: relative;
  border-radius: 50%;
  background: var(--uttc-gold);
}

section.product .product__item-cta-icon::before {
  content: "";
  display: block;
  width: 24px;
  height: 24px;
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--uttc-white);
  transform: translate(-50%, -50%);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0.16);
  transition-property: transform, opacity;
  transition-duration: .5s;
  transition-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

section.product .product__item-cta-icon::before {
  content: "";
  display: block;
  width: 24px;
  height: 24px;
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--uttc-white);
  transform: translate(-50%, -50%);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0.16);
  transition-property: transform, opacity;
  transition-duration: .5s;
  transition-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

section.product .product__item-cta-icon img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  width: 12px;
  height: 12px;
  opacity: 0;
  transform: translate(-100%, -50%) scale(0.5);
  transition-property: transform, opacity;
  transition-duration: .5s;
  transition-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

section.product .product__item:hover .product__item-cta-icon::before {
  transform: translate(-50%, -50%) scale(1);
}

section.product .product__item:hover .product__item-cta-icon img {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

@media (max-width: 991.98px) {
  section.product {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  section.product h2 {
    font-size: 32px;
  }

  section.product .product__item {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }

  section.product .product__item-title {
    font-size: 16px;
  }

  section.product .product__item-logo {
    min-width: 75px;
    max-width: 75px;
  }

  section.product .product__item .product__item-cta-icon::before {
    transform: translate(-50%, -50%) scale(1);
  }

  section.product .product__item .product__item-cta-icon img {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

/* section.news */
section.news {
  padding-top: 90px;
  padding-bottom: 90px;
}

section.news .news__container {
  display: flex;
  justify-content: space-between;
  gap: 60px;
}

section.news .news__side h2 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.5;
  margin: 0;
}

section.news .news__side p {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  margin: 24px 0 0;
  color: var(--uttc-gray);
}

section.news .news__side .news__button {
  margin-top: 48px;
  padding: 12px 64px;
  width: calc(256px - 128px);
}

section.news .news__list {
  display: flex;
  flex-direction: column;
  gap: 30px;
  max-width: 850px;
}

section.news .news__item {
  display: flex;
  gap: 30px;
  text-decoration: none;
}

section.news .news__item-image {
  display: block;
  position: relative;
  width: 100%;
  overflow: hidden;
  width: 45%;
  transition-property: transform;
  transition-duration: 2s;
  transition-timing-function:
    cubic-bezier(0.19, 1, 0.22, 1);
}

section.news .news__item-image-inner {
  transition-property: transform;
  transition-duration: 2s;
  transition-timing-function:
    cubic-bezier(0.19, 1, 0.22, 1);
}

section.news .news__item-image-thumb {
  padding-top: 56.1475409836%;
}

section.news .news__item-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

section.news .news__item:hover .news__item-image {
  transform: scale(0.95);
}

section.news .news__item:hover .news__item-image-inner {
  transform: scale(1.1);
}

section.news .news__item-content {
  width: 55%;
}

section.news .news__item-date {
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 8px;
  color: var(--uttc-gray);
}

section.news .news__item-title {
  font-size: 22px;
  line-height: 1.5;
  margin-bottom: 16px;
  font-weight: 700;
  color: var(--uttc-black);
  display: inline;
  background-image: linear-gradient(var(--uttc-black), var(--uttc-black));
  background-size: 0 1px;
  background-position: 100% 100%;
  background-repeat: no-repeat;
  transition-property: background-size;
  transition-duration: .6s;
  transition-timing-function: cubic-bezier(0.19, 1, 0.22, 1);
}

section.news .news__item:hover .news__item-title {
  background-size: 100% 1px;
  background-position: 0 100%;
}

section.news .news__item-description {
  font-size: 14px;
  line-height: 1.75;
  color: var(--uttc-gray);
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media (max-width: 1399.98px) {
  section.news .news__side {
    padding-left: 15px;
  }
}

@media (max-width: 991.98px) {
  section.news {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  section.news .news__container {
    flex-direction: column;
  }

  section.news .news__side {
    padding-left: 0;
  }

  section.news .news__side h2 {
    font-size: 32px;
  }

  section.news .news__side p {
    font-size: 14px;
    margin-top: 15px;
  }

  section.news .news__button {
    margin: 0 auto;
  }
}

@media (max-width: 575.98px) {
  section.news .news__container {
    gap: 48px;
  }

  section.news .news__list {
    margin: 0 auto;
  }

  section.news .news__item {
    flex-direction: column;
    gap: 16px;
  }

  section.news .news__item-image,
  section.news .news__item-content {
    width: 100%;
  }
}

video::-webkit-media-controls {
  display: none !important;
  opacity: 0 !important;
}