@font-face {
  font-family: "DeltaSans";
  src: url("../fonts/DeltaSans-Light.woff") format("woff");
  font-weight: 300;
}
@font-face {
  font-family: "DeltaSans";
  src: url("../fonts/NotoSansTC-Regular.woff") format("woff");
  font-weight: 400;
}
@font-face {
  font-family: "DeltaSans";
  src: url("../fonts/NotoSansTC-Medium.woff") format("woff");
  font-weight: 500;
}
@font-face {
  font-family: "DeltaSans";
  src: url("../fonts/DeltaSans-SemiBold.woff") format("woff");
  font-weight: 600;
}
@font-face {
  font-family: "DeltaSans";
  src: url("../fonts/NotoSansTC-Bold.woff") format("woff");
  font-weight: 700;
}
body {
  font-family: "DeltaSans" sans-serif;
}

:root {
  --delta-blue-color: #0087dc;
  --delta-aqua-blue-color: #64d7d7d7;
  --delta-grass-green-color: #b9eb5f;
  --light-color: #fdfdfd;
  --dark-color: #414141;
  --gray-color: #c8c8c8;
  --max-width: 1100px;
  --fa-animation-iteration-count: 2;
}

.icon-center {
  text-align: center;
  width: 100%;
}

.custom-icon {
  width: 60px;
  height: 60px;
  margin-left: auto;
  margin-right: auto;
}

.custom-icon-2 {
  width: 60px;
  height: 60px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 30px;
  margin-bottom: 20px;
}

.landscape-image-container {
  width: 70%;
  height: auto;
  margin: auto;
  display: block;
}

.btn.btn-outline-primary:hover,
.btn.btn-outline-primary:focus,
.btn.btn-outline-primary:active {
  background: #0087dc;
  /* fallback for old browsers */
  background: -webkit-linear-gradient(to right, #0087dc, rgba(100, 215, 215, 0.8431372549));
  /* Chrome 10-25, Safari 5.1-6 */
  background: linear-gradient(to right, #0087dc, rgba(100, 215, 215, 0.8431372549));
  /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
  color: #fff;
  border-color: #fff;
}

.btn.btn-primary {
  color: #fff;
}

.btn.btn-primary:hover,
.btn.btn-primary:focus,
.btn.btn-primary:active {
  background: #0087dc;
  /* fallback for old browsers */
  background: -webkit-linear-gradient(to right, #0087dc, rgba(100, 215, 215, 0.8431372549));
  /* Chrome 10-25, Safari 5.1-6 */
  background: linear-gradient(to right, #0087dc, rgba(100, 215, 215, 0.8431372549));
  /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
  color: #fff;
  border-color: #fff;
}

.navbar-scrolled {
  background-color: #fff;
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
  transition: all 0.5s ease-in;
}
.navbar-scrolled .navbar-toggler-icon div {
  color: var(--gray-color);
}

.scrolled-link {
  color: var(--dark-color) !important;
}

#navbarSolutionsDropdownMain {
  color: #fff;
}

#navbarCompanyDropdownMain {
  color: #fff;
}

#navbarContactDropdownMain {
  color: #fff;
}

#navbarLanguageDropdownMain {
  color: #fff;
}

.navbar {
  /* hide close when burger shown */
}
.navbar .nav-link {
  color: var(--dark-color);
}
.navbar .nav-item .nav-link:hover {
  color: #0087dc !important;
}
.navbar .dropdown-toggle::after {
  content: none;
}
.navbar .nav-item .dropdown-menu {
  display: none;
}
.navbar .nav-item:hover .dropdown-menu {
  display: block;
}
.navbar .nav-item .dropdown-menu {
  margin-top: 0;
}
.navbar .navbar-toggler,
.navbar .navbar-toggler:focus,
.navbar .navbar-toggler:active {
  outline: none;
  border: none;
  box-shadow: none;
  color: var(--gray-color);
}
.navbar .navbar-toggler.collapsed .close-icon {
  display: none;
}
.navbar .navbar-toggler:not(.collapsed) .navbar-toggler-icon {
  display: inline;
}

.hr-middle {
  display: block;
  width: 3rem;
  height: 5px;
  margin: auto;
  border: none;
  background-color: var(--delta-aqua-blue-color);
  opacity: 1;
}

.hr-start {
  display: block;
  width: 3rem;
  height: 5px;
  margin: auto;
  border: none;
  background-color: var(--delta-aqua-blue-color);
  opacity: 1;
}

nav ol li a {
  color: var(--dark-color);
  text-decoration: none;
}

.card {
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 6px 10px rgba(0, 0, 0, 0.08), 0 0 6px rgba(0, 0, 0, 0.05);
  transition: 0.3s transform cubic-bezier(0.155, 1.105, 0.295, 1.12), 0.3s box-shadow, 0.3s -webkit-transform cubic-bezier(0.155, 1.105, 0.295, 1.12);
}

.card:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12), 0 4px 8px rgba(0, 0, 0, 0.06);
}

.footer a {
  color: var(--dark-color);
  font-weight: 300;
  text-decoration: none;
}
.footer a:hover {
  color: var(--delta-blue-color);
}

.page-bottom {
  background-color: var(--delta-blue-color);
}

/* Animation */
.slide-in {
  opacity: 1;
  transform: translateY(0);
}

.already-visible {
  transform: translateY(0);
  animation: none;
}

.slide-in-animation {
  transform: translateY(150px);
  animation: slide-in-animation 0.8s ease-in forwards;
}

.slide-in-animation:nth-child(even) {
  animation-duration: 0.6s;
}

@keyframes slide-in-animation {
  0% {
    transform: translateY(100px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}
.header-slide-in {
  animation: left-to-right-fade-in 1s ease-in;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.delay-fade-in {
  opacity: 0;
  animation: fade-in 1.5s;
  animation-fill-mode: forwards;
  animation-delay: 1s;
}

.fade-in {
  opacity: 0;
  animation: fade-in 1.5s;
  animation-fill-mode: forwards;
}

@keyframes left-to-right-fade-in {
  0% {
    -webkit-mask-size: 0%;
    -webkit-mask-image: linear-gradient(to right, rgb(0, 0, 0) 70%, rgba(0, 0, 0, 0));
  }
  100% {
    opacity: 1;
    -webkit-mask-size: 100%;
    -webkit-mask-image: linear-gradient(to right, rgb(0, 0, 0) 70%, rgba(0, 0, 0, 0));
  }
}
.img-slide-in {
  opacity: 0;
  transform: translateX(20%) scale(0.95);
}

@media (prefers-reduced-motion: no-preference) {
  .img-slide-in {
    transition: opacity 1.5s ease, transform 1.5s ease;
  }
}
.img-slide-in-transition {
  opacity: 1;
  transform: translateX(0%) scale(1);
}

/* Home Page */
#header-main {
  background: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.5)), url("../images/main-header.jpg") no-repeat center;
  background-size: cover;
}
#header-main div {
  padding-top: 60vh;
}
#header-main div h1 {
  width: 100vw;
}
#header-main div p {
  width: 50vw;
}

@media (max-width: 1180px) {
  #header-main div {
    padding-top: 55vh;
  }
  #header-main div h1 {
    width: 100vw;
    padding-right: 10px;
  }
  #header-main div p {
    width: 60vw;
    padding-right: 10px;
  }
}
@media (max-width: 430px) {
  #header-main div {
    padding-top: 52vh;
  }
  #header-main div h1 {
    width: 100vw;
    padding-right: 10px;
  }
  #header-main div p {
    width: 95vw;
    padding-right: 10px;
  }
}
@media (max-width: 820px) {
  #main-page-nav #navbarSolutionsDropdownMain {
    color: var(--dark-color);
  }
  #main-page-nav #navbarCompanyDropdownMain {
    color: var(--dark-color);
  }
  #main-page-nav #navbarContactDropdownMain {
    color: var(--dark-color);
  }
  #main-page-nav #navbarLanguageDropdownMain {
    color: var(--dark-color);
  }
  #main-page-nav #navbarNavDropdown {
    background-color: #fff;
    border-radius: 5px;
    padding-left: 15px;
  }
}
#solution-1 .decoration-star {
  top: 10vh;
  left: -30vw;
  width: 800px;
  opacity: 0.5;
}

#solution-2 {
  background: linear-gradient(to bottom, rgb(255, 255, 255), rgba(255, 255, 255, 0.5)), url("../images/main-sol-2.jpg") no-repeat center;
  background-size: cover;
}

/* Solution-1 Page */
.section-1-list-1 {
  padding-left: 12rem;
}

.section-1-list-2 {
  padding-left: 15rem;
}

@media (max-width: 1024px) {
  .section-1-list-1 {
    padding-left: 3rem;
  }
  .section-1-list-2 {
    padding-left: 3rem;
  }
}
#sol-1-details-4 {
  background: linear-gradient(to bottom, rgb(255, 255, 255), rgba(255, 255, 255, 0.6)), url("../images/sol-1-details-4.jpg") no-repeat center;
  background-size: cover;
}

#sol-1-details-6 {
  background: linear-gradient(to bottom, rgb(255, 255, 255), rgba(255, 255, 255, 0.6)), url("../images/main-sol-2.jpg") no-repeat center;
  background-size: cover;
}

@keyframes scaleImage {
  100% {
    transform: scale(1);
  }
}
.row-bg-white {
  border-radius: 10px;
  background-color: rgba(255, 255, 255, 0.5);
}

/* Solution-2 Page */
#introduction-sol-2 .decoration-star {
  top: 80px;
  right: -400px;
  width: 800px;
  opacity: 0.5;
}
#introduction-sol-2 .item .img-box {
  text-align: center;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  height: 300px;
  position: relative;
  overflow: hidden;
}
#introduction-sol-2 .item .img-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--delta-aqua-blue-color);
  opacity: 0;
  padding-top: 80px;
  color: #fff;
  text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.2);
  cursor: pointer;
}
#introduction-sol-2 .item:hover .img-overlay {
  transition: opacity 0.2s ease-in;
  opacity: 1;
}

#solution-2-details-2 {
  background: linear-gradient(rgba(0, 136, 220, 0.6), rgb(0, 136, 220)), url("../images/sol-2-details-1.jpg") no-repeat center;
  background-size: cover;
}

/* Solution-3 Page */
.bg-gradient-primary {
  background-image: linear-gradient(#0087dc, rgba(255, 255, 255, 0.1));
}

.carousel-control-prev,
.carousel-control-next {
  width: 3%;
}

#solution-3-details-3 {
  background-color: #0087dc;
  background: linear-gradient(rgba(255, 255, 255, 0.1), rgb(0, 136, 220)), url("../images/sol-3-details-2.jpg") no-repeat center;
  background-size: cover;
}
#solution-3-details-3 div p {
  text-align: center;
}

@media (max-width: 800px) {
  #solution-3-details-3 div p {
    text-align: justify;
  }
}
@media (max-width: 420px) {
  #solution-3-details-3 div p {
    text-align: justify;
  }
}
.iframe-container {
  position: relative;
  overflow: hidden;
  width: 100%;
  padding-top: 56.25%;
}

.responsive-iframe {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
}

/* About Us Page */
#header-about {
  background: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.7)), url("../images/about-header.jpg") no-repeat center;
  background-size: cover;
}
#header-about div {
  padding-top: 20vh;
}

#about-introduction .image-container {
  padding-top: 10vh;
}

.gm-profile-img {
  width: 25vw;
}

@media (max-width: 1280px) {
  .gm-profile-img {
    width: 30vw;
  }
}
@media (max-width: 1024px) {
  .gm-profile-img {
    width: auto;
  }
}
@media (max-width: 768px) {
  .gm-profile-img {
    width: 50vw;
  }
}
@media (max-width: 576px) {
  .gm-profile-img {
    width: auto;
  }
}
.profile-img {
  width: 25vw;
}

@media (max-width: 1280px) {
  .profile-img {
    width: 30vw;
  }
}
@media (max-width: 1024px) {
  .profile-img {
    width: auto;
  }
}
@media (max-width: 768px) {
  .profile-img {
    width: 50vw;
  }
}
@media (max-width: 576px) {
  .profile-img {
    width: auto;
  }
}
@media (max-width: 820px) {
  #about-page-nav #navbarSolutionsDropdownMain {
    color: var(--dark-color);
  }
  #about-page-nav #navbarCompanyDropdownMain {
    color: var(--dark-color);
  }
  #about-page-nav #navbarContactDropdownMain {
    color: var(--dark-color);
  }
  #about-page-nav #navbarLanguageDropdownMain {
    color: var(--dark-color);
  }
  #about-page-nav #navbarNavDropdown {
    background-color: #fff;
    border-radius: 5px;
    padding-left: 15px;
  }
}
/* News Page */
.news-img {
  width: 40vw;
}

/* Contact Us Page */
.required-field:after {
  color: #e32;
  content: " *";
  display: inline;
}

#contact-form div form {
  border-radius: 10px;
  background: #fff;
  box-shadow: rgba(149, 157, 165, 0.2) 0px 8px 24px;
}

#inputBotCheck {
  display: none;
}

/* Monthly Report Page */
.general-link {
  color: var(--delta-blue-color);
  text-decoration: none;
}

.general-link:hover,
.general-link:active,
.general-link:focus {
  color: var(--delta-blue-color);
  text-decoration: underline;
  text-underline-offset: 8px;
}

/* Blog Page */
.numbers {
  margin: auto;
  width: 50px;
  line-height: 50px;
  border-radius: 50%;
  text-align: center;
  background-color: var(--delta-aqua-blue-color);
  color: white;
}

.blog-card {
  width: 100vw;
  padding: 10px;
}