html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background-color: #1b1b1d;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  overflow-x: hidden;
}

/* common */
.ribbon {
  z-index: 999;
  width: 200px;
  height: 200px;
  overflow: hidden;
  position: fixed;
}

.ribbon::before,
.ribbon::after {
  position: absolute;
  z-index: -1;
  content: "";
  display: block;
}

.ribbon span {
  position: absolute;
  display: block;
  width: 320px;
  padding: 20px 0 5px 5px;
  background-color: #dc2626;
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
  color: #fff;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
  text-transform: uppercase;
  text-align: center;
  font-size: 0.9rem;
}

/* top left*/
.ribbon-top-left {
  top: -5px;
  left: -5px;
}

.ribbon-top-left::before,
.ribbon-top-left::after {
  border-top-color: transparent;
  border-left-color: transparent;
}

.ribbon-top-left::before {
  top: 0;
  right: 0;
}

.ribbon-top-left::after {
  bottom: 0;
  left: 0;
}

.ribbon-top-left span {
  right: -25px;
  top: 30px;
  transform: rotate(-45deg);
}

.small_text_disc {
  font-size: 0.6rem;
}

video-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  z-index: 1;
}

video {
  object-fit: cover;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  filter: brightness(40%);
}

.arrows {
  width: 60px;
  height: 72px;
  position: absolute;
  left: 50%;
  margin-left: -30px;
  bottom: 20px;
}

.arrows path {
  stroke: #2994d1;
  fill: transparent;
  stroke-width: 1px;
  animation: arrow 2s infinite;
  -webkit-animation: arrow 2s infinite;
}

@keyframes arrow {
  0% {
    opacity: 0;
  }

  40% {
    opacity: 1;
  }

  80% {
    opacity: 0;
  }

  100% {
    opacity: 0;
  }
}

@-webkit-keyframes arrow

/*Safari and Chrome*/ {
  0% {
    opacity: 0;
  }

  40% {
    opacity: 1;
  }

  80% {
    opacity: 0;
  }

  100% {
    opacity: 0;
  }
}

.arrows path.a1 {
  animation-delay: -1s;
  -webkit-animation-delay: -1s;
  /* Safari 和 Chrome */
}

.arrows path.a2 {
  animation-delay: -0.5s;
  -webkit-animation-delay: -0.5s;
  /* Safari 和 Chrome */
}

.arrows path.a3 {
  animation-delay: 0s;
  -webkit-animation-delay: 0s;
  /* Safari 和 Chrome */
}

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0);
  z-index: 100;
  transition: background-color 0.3s, box-shadow 0.3s;
}

header nav {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 30px 20px;
  transition: background-color 0.3s;
}

.logo {
  position: absolute;
  left: 2%;
  top: 27%;
  width: 100px;
}

.link {
  color: black;
  font-weight: 200;
  text-decoration: none;
  margin-left: 40px;
  font-size: 1.1rem;
}

.link {
  position: relative;
  overflow: hidden;
  color: white;
  text-decoration: none;
  transition: color 0.3s;
}

.link::before {
  content: "";
  position: absolute;
  width: 0;
  height: 1px;
  bottom: 0;
  left: 0;
  background-color: white;
  transition: width 0.3s;
}

.link:hover::before {
  width: 100%;
}

.link.scroll_effect::before {
  background-color: white;
}

#toggle {
  display: none;
}

.hamburger {
  position: absolute;
  top: 4em;
  right: 5%;
  margin-left: -2em;
  margin-top: -45px;
  margin-right: 10px;
  width: 2em;
  height: 45px;
  z-index: 5;
}

.hamburger div {
  position: sticky;
  width: 3em;
  height: 7px;
  border-radius: 3px;
  background-color: white;
  margin-top: 8px;
  transition: all 0.3s ease-in-out;
}

.white-bun {
  background-color: white !important;
}

.nav {
  position: fixed;
  z-index: 3;
  width: 100%;
  height: 100%;
  background-color: #1b1b1d;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  transition: all 0.3s ease-in-out;
  transform: scale(0);
}

.nav-wrapper {
  position: relative;
  overflow: hidden;
  overflow-y: auto;
  height: 100%;
  margin-top: 40%;
  flex-direction: column;
}

.nav-ham a {
  position: relative;
  text-decoration: none;
  color: #fff;
  font-size: 1.6rem;
  display: inline-block;
  flex-direction: column;
  margin-top: 1em;
  transition: color 0.2s ease-in-out;
  font-weight: 100;
}

.nav-ham a:before {
  content: "";
  height: 0;
  position: absolute;
  width: 0.25em;
  background-color: white;
  left: -0.5em;
  transition: all 0.2s ease-in-out;
}

.nav-ham a:hover {
  color: white;
}

.nav-ham a:hover:before {
  height: 100%;
}

#toggle:checked + .hamburger .top-bun {
  transform: rotate(-45deg);
  margin-top: 25px;
}

#toggle:checked + .hamburger .bottom-bun {
  opacity: 0;
  transform: rotate(45deg);
}

#toggle:checked + .hamburger .meat {
  transform: rotate(45deg);
  margin-top: -7px;
}

#toggle:checked + .hamburger + .nav {
  top: 0;
  transform: scale(1);
}

.hamburger-menü {
  display: none;
}

.ham-link {
  color: white !important;
}

@media screen and (max-width: 768px) {
  .link {
    display: none;
  }

  .logo {
    position: absolute;
    left: 2%;
    top: 27%;
    width: 100px;
  }

  .language-switch {
    display: none;
  }

  .globe_icon {
    display: none;
  }

  .hamburger-menü {
    display: block;
  }

  header nav {
    padding: 45px;
  }

  header nav {
    display: block;
    justify-content: flex-end;
    align-items: center;
    transition: background-color 0.3s;
  }

  .nav-ham a {
    display: block;
  }
}

@media screen and (min-width: 769px) and (max-width: 1200px) {
  header nav {
    padding: 50px;
  }

  header nav {
    padding: 45px;
  }

  header nav {
    display: block;
    justify-content: flex-end;
    align-items: center;
    transition: background-color 0.3s;
  }

  .nav-ham a {
    display: block;
  }

  .logo_header {
    margin-top: -20px;
  }

  .hamburger-menü {
    display: block;
  }

  .link {
    display: none;
  }
}

.intro_container {
  position: absolute;
  top: 20%;
  left: 0%;
  transform: translateX(10%);
  color: white;
}

.intro_container h1 {
  max-width: 70%;
  font-size: 4.3rem;
  font-weight: 400;
}

.text_desktop {
  max-width: 60%;
  font-size: 1.2rem;
  font-weight: 200;
}

.slogan_mobile {
  display: none;
}

.action_btn_one {
  cursor: pointer;
  width: 180px;
  height: 40px;
  font-size: 0.9rem;
  margin-top: 2%;
  border: none;
  box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.2);
  border-radius: 2px;
  box-shadow: 0 0 0 0 transparent;
  -webkit-transition: all 0.2s ease-in;
  -moz-transition: all 0.2s ease-in;
  transition: all 0.2s ease-in;
}

.action_btn_one:hover {
  background: rgb(61, 106, 255);
  box-shadow: 0 0 30px 5px rgba(0, 142, 236, 0.815);
  -webkit-transition: all 0.2s ease-out;
  -moz-transition: all 0.2s ease-out;
  transition: all 0.2s ease-out;
  color: white;
}

.action_btn_one:hover::before {
  -webkit-animation: sh02 0.5s 0s linear;
  -moz-animation: sh02 0.5s 0s linear;
  animation: sh02 0.5s 0s linear;
}

.action_btn_one::before {
  content: "";
  display: block;
  width: 0px;
  height: 50%;
  position: absolute;
  top: 7%;
  left: 0%;
  opacity: 0;
  background: #fff;
  box-shadow: 0 0 30px 10px #fff;
  -webkit-transform: skewX(-20deg);
  -moz-transform: skewX(-20deg);
  -ms-transform: skewX(-20deg);
  -o-transform: skewX(-20deg);
  transform: skewX(-20deg);
}

@keyframes sh02 {
  from {
    opacity: 0;
    left: 0%;
  }

  50% {
    opacity: 1;
  }

  to {
    opacity: 0;
    left: 100%;
  }
}

.action_btn_one:active {
  box-shadow: 0 0 0 0 transparent;
  -webkit-transition: box-shadow 0.2s ease-in;
  -moz-transition: box-shadow 0.2s ease-in;
  transition: box-shadow 0.2s ease-in;
}

#animatedHeader,
#animatedParagraph,
#animatedSlogan,
#animatedButton {
  opacity: 0;
  transform: translateY(90px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

@media screen and (max-width: 767px) {
  main {
    background-image: none;
  }

  .intro_container {
    position: absolute;
    top: 20%;
    transform: translateX(0%);
  }

  .intro_container h1 {
    max-width: 100%;
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
  }

  .text_desktop {
    display: none;
  }

  .slogan_mobile {
    display: block;
    font-size: 1.2rem;
    font-weight: 200;
    margin-top: 15%;
    text-align: center;
    margin-left: 4%;
    margin-right: 4%;
  }

  .pos_mobile {
    margin-top: 10%;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    display: block;
  }

  .action_btn_one {
    display: block;
    margin-left: auto;
    margin-right: auto;
  }

  .btn_margin_one {
    margin-top: 15%;
  }
}

@media screen and (min-width: 768px) and (max-width: 1200px) {
  .intro_container {
    position: absolute;
    top: 20%;
    left: 0;
    transform: translateX(0);
    text-align: center;
    margin-left: 8%;
    margin-right: 8%;
  }

  .intro_container h1 {
    max-width: none;
    font-size: 3.5rem;
    font-weight: 900;
  }

  .text_desktop {
    max-width: none;
    font-size: 1.5rem;
    font-weight: 200;
  }

  .pos_mobile {
    margin-top: 10%;
  }
}

@media screen and (min-width: 1700px) {
  .intro_container {
    max-width: 80%;
  }
}

.content {
  position: relative;
  background-color: white;
  padding: 20px;
  z-index: 2;
}

main {
  margin-top: 105vh;
  margin-left: 10%;
  margin-right: 10%;
  color: white;
}

main h2 {
  font-size: 2.2rem;
  padding: 0;
  margin: 0;
}

.gradient {
  background: linear-gradient(
    90deg,
    #006666 48.88%,
    #66b2b2 74.71%,
    #006666 104.61%
  );
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

main h3 {
  font-size: 1.1rem;
  font-weight: 200;
  padding: 0;
  margin: 0;
  font-style: italic;
}

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

.line {
  width: 1px;
  height: 30px;
  background-color: white;
  filter: brightness(30%);
}

.square {
  width: 5px;
  height: 5px;
  background-color: #f2c370;
  filter: brightness(30%);
}

main p {
  font-weight: 200;
  font-size: 1.1rem;
}

.services_container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-top: 5%;
}

.first,
.second,
.third,
.fourth {
  width: 100%;
  background-color: #242424;
  height: 350px;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
  border-radius: 2px;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  cursor: pointer;
  position: relative;
}

.first_img,
.second_img,
.third_img,
.fourth_img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 2px;
  filter: brightness(60%);
}

.service_title {
  position: absolute;
  top: 0;
  left: 2;
  width: 100%;
  font-size: 1.6rem;
  text-align: center;
  color: white;
  background: linear-gradient(
    90deg,
    #006666 48.88%,
    #fff7e2 74.71%,
    #006666 104.61%
  );
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media screen and (max-width: 767px) {
  .services_container {
    display: flex;
    flex-direction: column;
  }

  .line {
    margin-top: 5%;
  }

  .first,
  .second,
  .third,
  .fourth {
    height: 300px;
  }
}

.shape_wrapper_one {
  position: absolute;
  top: 100%;
  z-index: -1;
  filter: blur(64px);
}

.bulb_one {
  clip-path: polygon(39% 18%, 75% 0, 99% 45%, 48% 49%, 13% 100%, 1% 55%);
  background: linear-gradient(#38bdf8, #6ee7b7);
  height: 300px;
  width: 300px;
  aspect-ratio: 1/1;
  opacity: 0.5;
}

.shape_wrapper_two {
  position: absolute;
  top: 200%;
  right: 10%;
  z-index: -1;
  filter: blur(64px);
}

.bulb_two {
  clip-path: polygon(39% 18%, 75% 0, 99% 45%, 48% 49%, 13% 100%, 1% 55%);
  background: linear-gradient(#c4b5fd, #f9a8d4);
  height: 300px;
  width: 300px;
  aspect-ratio: 1/1;
  opacity: 0.5;
}

.shape_wrapper_three {
  position: absolute;
  top: 180%;
  left: 10%;
  z-index: -1;
  filter: blur(64px);
}

.bulb_three {
  clip-path: polygon(39% 18%, 75% 0, 99% 45%, 95% 87%, 13% 100%, 1% 55%);
  background: linear-gradient(#fde047, #ea580c);
  height: 200px;
  width: 200px;
  aspect-ratio: 1/1;
  opacity: 0.5;
}

.shape_wrapper_four {
  position: absolute;
  top: 260%;
  z-index: -1;
  filter: blur(64px);
}

.bulb_four {
  clip-path: polygon(21% 14%, 75% 0, 62% 45%, 95% 87%, 13% 100%, 1% 55%);
  background: linear-gradient(#f1f5f9, #6ee7b7);
  height: 300px;
  width: 300px;
  aspect-ratio: 1/1;
  opacity: 0.1;
}

.shape_wrapper_five {
  position: absolute;
  top: 280%;
  right: 10%;
  z-index: -1;
  filter: blur(64px);
}

.bulb_five {
  clip-path: polygon(39% 18%, 75% 0, 99% 45%, 48% 49%, 13% 100%, 1% 55%);
  background: linear-gradient(#fde68a, #ef4444);
  height: 300px;
  width: 300px;
  aspect-ratio: 1/1;
  opacity: 0.2;
}

.shape_wrapper_six {
  position: absolute;
  top: 350%;
  right: 10%;
  z-index: -1;
  filter: blur(64px);
}

.bulb_six {
  clip-path: polygon(21% 14%, 75% 0, 100% 45%, 95% 87%, 18% 49%, 44% 34%);
  background: linear-gradient(#38bdf8, #6ee7b7);
  height: 300px;
  width: 300px;
  aspect-ratio: 1/1;
  opacity: 0.2;
}

.questions_section {
  margin-top: 10%;
  margin-left: 8%;
  margin-right: 8%;
  margin-bottom: 10%;
}

.questions_section h2 {
  font-weight: 400;
  font-size: 3rem;
  color: white;
}

.questions_div {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.questions_div ul {
  padding: 0;
  margin: 0;
}

.questions_div ul li {
  list-style: none;
  font-weight: 200;
  font-size: 1.4rem;
}

.contact_info_link {
  text-decoration: none;
}

.contact_info_link:hover {
  text-decoration: underline;
}

.question {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-bottom: 50px;
  padding-top: 20px;
  padding-right: 60px;
  border-bottom: 1px solid #d6d3d1;
  cursor: pointer;
  max-width: 600px;
  color: white;
}

.answer {
  display: none;
  font-weight: 200;
  margin-top: 30px;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
}

.open .answer {
  max-height: 850px;
  opacity: 1;
  font-weight: 200;
  font-size: 1.1rem;
}

.answer {
  display: block;
  font-weight: 200;
  margin-top: 30px;
  font-size: 1.1rem;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.5s ease-in-out, opacity 0.5s ease-in-out,
    font-size 0.5s ease-in-out;
}

.answer a {
  color: white;
}

.open .answer {
  opacity: 1;
  width: 100%;
}

.questions_section h2,
.question {
  opacity: 0;
  transform: translateY(-40px);
  transition: opacity 0.5s, transform 0.5s;
}

.ending_section {
  margin-left: 10%;
  margin-right: 10%;
  margin-top: 8%;
}

.break_line {
  opacity: 0;
}

.bg_color {
  background-color: #f0f9ff;
  padding: 30px;
  box-shadow: 0 0.2em 1em rgba(0, 0, 0, 0.1), 0 1em 2em rgba(0, 0, 0, 0.1);
}

@media screen and (max-width: 767px) {
  .questions_section h2 {
    font-size: 2.1rem;
    text-align: center;
    margin-top: 10%;
    margin-bottom: 15%;
  }

  .questions_div {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .question {
    width: 100%;
    padding-bottom: 20px;
    padding-right: 0;
  }
}

.contact_section {
  margin-left: 8%;
  margin-right: 8%;
}

.contact_section h2 {
  font-weight: 400;
  font-size: 3rem;
  color: white;
  margin-bottom: 5%;
}

.contact_container {
  display: flex;
  justify-content: center;
  gap: 60px;
}

.map {
  width: 100%;
}

iframe {
  width: 100%;
  height: 350px;
  filter: invert(90%);
  box-shadow: 0 4px 8px 0 rgba(246, 246, 246, 0.2);
}

.contact {
  width: 100%;
}

.standort_wrapper {
  display: flex;
  justify-content: flex-start;
  gap: 50px;
}

.map-overlay {
  background-color: #242424;
  text-align: center;
  z-index: 3;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
  height: 350px;
  border-radius: 10px;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
}

.map-overlay p {
  margin-bottom: 20px;
  font-size: 1.1rem;
  font-weight: 200;
  color: white;
}

.map-overlay a {
  text-decoration: underline;
  color: #38bdf8;
}

.accept-btn {
  background-color: #03396c;
  padding: 10px 20px;
  border: none;
  color: #fff;
  border-radius: 3px;
  cursor: pointer;
}

.contact h3 {
  color: white;
  margin: 0;
  font-size: 1.5rem;
  font-weight: 400;
}

.contact ul {
  padding: 0;
}

.contact ul li {
  list-style: none;
  color: #ffffff;
  font-size: 1.2rem;
  font-weight: 200;
  line-height: 1.5rem;
}

.contact ul li a {
  text-decoration: none;
  color: white;
}

.contact ul li a:hover {
  text-decoration: underline;
}

.whatsapp {
  width: 16px;
  margin-right: 10px;
}

.envelope {
  width: 17px;
  margin-right: 10px;
}

footer {
  background-color: #27272a;
  margin-top: 10%;
  padding-bottom: 30px;
  padding-top: 50px;
}

.footer_container {
  display: flex;
  justify-content: center;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 50px;
  color: white;
  margin-left: 10%;
}

.credits {
  font-weight: 200;
  margin-right: 10%;
}

.credits p {
  font-size: 0.8rem;
}

.logo_footer {
  width: 120px;
  margin-bottom: 25px;
}

.logo_footer {
  width: 120px;
}

footer h3 {
  font-size: 1.1rem;
  font-weight: 400;
  margin: 0;
  margin-bottom: 10px;
}

footer ul {
  padding: 0;
}

footer ul li {
  list-style: none;
  font-weight: 200;
  font-size: 1rem;
}

footer ul li a {
  text-decoration: none;
  font-weight: 200;
  font-size: 1rem;
  color: white;
}

.underline {
  cursor: pointer;
}

.underline:hover {
  text-decoration: underline;
}

.instagram {
  width: 20px;
  margin-right: 20px;
}

.tiktok {
  width: 17px;
  position: absolute;
  margin-top: 2px;
}

.vietec {
  position: absolute;
  right: 20px;
  width: auto;
}

.vietec p {
  margin: 0;
  padding: 0;
  color: white;
  font-weight: 100;
  font-size: 0.7rem;
}

.vietec a {
  color: #a5f3fc;
  text-decoration: none;
}

@media screen and (max-width: 767px) {
  .contact_section h2 {
    font-size: 2.1rem;
    text-align: center;
    margin-bottom: 10%;
    margin-top: 20%;
  }

  .contact_container {
    flex-direction: column-reverse;
    gap: 40px;
    text-align: center;
  }

  .contact ul li div {
    justify-content: center;
  }

  .footer_container {
    flex-direction: column-reverse;
    gap: 0px;
  }

  .standort_wrapper {
    flex-direction: column;
  }

  .btn_margin_two {
    margin-top: 5%;
    margin-bottom: 5%;
    width: 200px;
  }

  footer {
    margin-top: 10%;
  }

  .vietec {
    margin-top: 10px;
    position: static;
    width: 100%;
    right: auto;
    text-align: center;
  }

  .vietec p {
    margin: 0;
    padding: 0;
    color: white;
    font-weight: 100;
    font-size: 0.7rem;
  }
}

@media screen and (min-width: 768px) and (max-width: 1200px) {
  .bulb_six {
    display: none;
  }
}

@media screen and (min-width: 1700px) {
  .credits {
    margin-right: 20%;
  }
}