@import url("https://fonts.googleapis.com/css2?family=Lato:wght@400;700&family=Merriweather+Sans:wght@400;700&display=swap");
body {
  font-family: 'Lato', sans-serif;
  color: #040000;
}

.layout_padding {
  padding-top: 120px;
  padding-bottom: 120px;
}

.layout_padding2 {
  padding: 45px 0;
}

.layout_padding2-top {
  padding-top: 45px;
}

.layout_padding2-bottom {
  padding-bottom: 45px;
}

.layout_padding-top {
  padding-top: 120px;
}

.layout_padding-bottom {
  padding-bottom: 120px;
}

.heading_container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
}

.heading_container h2 {
  font-weight: bold;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  text-transform: uppercase;
  font-family: 'Merriweather Sans', sans-serif;
}

.heading_container p {
  margin-bottom: 0;
}

.heading_container.heading_center {
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  text-align: center;
}

h1,
h2 {
  font-family: 'Merriweather Sans', sans-serif;
}

a,
a:hover,
a:focus {
  text-decoration: none;
}

/*header section*/
.hero_area {
  position: relative;
  background-color: #d1e3ff;
}

.header_section .container-fluid {
  padding-right: 25px;
  padding-left: 25px;
}

.header_section .header_top {
  padding: 15px 0;
  background-color: #000000;
}

.header_section .header_top .contact_nav {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

.header_section .header_top .contact_nav a {
  color: #ffffff;
}

.header_section .header_top .contact_nav a i {
  color: #ff8a1d;
}

.header_section .header_bottom {
  padding: 10px 0;
}

.navbar-brand {
  padding: 0;
  margin: 0;
  color: #000000;
  font-weight: bold;
  font-size: 24px;
  font-weight: bold;
}

.navbar-brand span {
  color: #0355cc;
  text-transform: uppercase;
}

.custom_nav-container {
  padding: 0;
}

.custom_nav-container .navbar-nav {
  margin-left: auto;
}

.custom_nav-container .navbar-nav .nav-item .nav-link {
  padding: 10px 25px;
  color: #000000;
  text-align: center;
}

.custom_nav-container .navbar-nav .nav-item:hover .nav-link, .custom_nav-container .navbar-nav .nav-item.active .nav-link {
  color: #0355cc;
}

.custom_nav-container .form-inline .nav_search-btn {
  width: 35px;
  height: 35px;
  padding: 0;
  border: none;
  color: #000000;
}

.custom_nav-container .form-inline .nav_search-btn:hover {
  color: #0355cc;
}

.custom_nav-container .navbar-toggler {
  outline: none;
}

.custom_nav-container .navbar-toggler {
  padding: 0;
  width: 37px;
  height: 42px;
  -webkit-transition: all .3s;
  transition: all .3s;
}

.custom_nav-container .navbar-toggler span {
  display: block;
  width: 35px;
  height: 4px;
  background-color: #000000;
  margin: 7px 0;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  position: relative;
  border-radius: 5px;
  -webkit-transition: all .3s;
  transition: all .3s;
}

.custom_nav-container .navbar-toggler span::before, .custom_nav-container .navbar-toggler span::after {
  content: "";
  position: absolute;
  left: 0;
  height: 100%;
  width: 100%;
  background-color: #000000;
  top: -10px;
  border-radius: 5px;
  -webkit-transition: all .3s;
  transition: all .3s;
}

.custom_nav-container .navbar-toggler span::after {
  top: 10px;
}

.custom_nav-container .navbar-toggler[aria-expanded="true"] {
  -webkit-transform: rotate(360deg);
          transform: rotate(360deg);
}

.custom_nav-container .navbar-toggler[aria-expanded="true"] span {
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
}

.custom_nav-container .navbar-toggler[aria-expanded="true"] span::before, .custom_nav-container .navbar-toggler[aria-expanded="true"] span::after {
  -webkit-transform: rotate(90deg);
          transform: rotate(90deg);
  top: 0;
}

.custom_nav-container .navbar-toggler[aria-expanded="true"] .s-1 {
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
  margin: 0;
  margin-bottom: -4px;
}

.custom_nav-container .navbar-toggler[aria-expanded="true"] .s-2 {
  display: none;
}

.custom_nav-container .navbar-toggler[aria-expanded="true"] .s-3 {
  -webkit-transform: rotate(-45deg);
          transform: rotate(-45deg);
  margin: 0;
  margin-top: -4px;
}

.custom_nav-container .navbar-toggler[aria-expanded="false"] .s-1,
.custom_nav-container .navbar-toggler[aria-expanded="false"] .s-2,
.custom_nav-container .navbar-toggler[aria-expanded="false"] .s-3 {
  -webkit-transform: none;
          transform: none;
}

.quote_btn-container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.quote_btn-container a {
  color: #ffffff;
  margin-right: 25px;
  text-transform: uppercase;
}

.quote_btn-container a span {
  margin-left: 5px;
}

.quote_btn-container a:hover {
  color: #ff8a1d;
}

/*end header section*/
/* slider section */
.slider_section {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  background-size: cover;
  background-position: bottom;
}

.slider_section .row {
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.slider_section #customCarousel1 {
  width: 100%;
  position: unset;
}

.slider_section .detail-box {
  padding-bottom: 90px;
}

.slider_section .detail-box h1 {
  font-weight: bold;
  margin-bottom: 25px;
  color: #0355cc;
}

.slider_section .detail-box p {
  color: #444;
  font-size: 15px;
}

.slider_section .detail-box a {
  display: inline-block;
  font-family: 'Merriweather Sans', sans-serif;
  text-transform: uppercase;
  padding: 10px 45px;
  background-color: #ff8a1d;
  border: 1px solid #ff8a1d;
  border-radius: 5px;
  color: #ffffff;
  margin-top: 15px;
}

.slider_section .detail-box a:hover {
  background-color: transparent;
  color: #ff8a1d;
}

.slider_section .img-box img {
  width: 100%;
}

.feature_section {
  transform: translateY(-50%);
  padding: clamp(40px, 5vw, 100px) 20px;
}

.feature_section .feature_container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.feature_section .feature_container .box {
  flex: 1 1 300px;
  max-width: 350px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: clamp(30px, 5vw, 45px) 20px;
  margin: 0 auto;
  background-color: #ffffff;
  color: #555089;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  border-radius: 16px;
}

.feature_section .feature_container .box .img-box {
  width: 90px;
  height: 90px;
}

.feature_section .feature_container .box .img-box svg {
  width: 100%;
  height: auto;
  max-height: 100%;
  fill: #726dae;
  transition: fill 0.3s ease;
}

.feature_section .feature_container .box .img-box svg path {
  fill: #726dae;
}

.feature_section .feature_container .box .name {
  margin-top: 20px;
  font-size: clamp(16px, 2vw, 20px);
  text-transform: uppercase;
  font-family: 'Merriweather Sans', sans-serif;
  font-weight: bold;
  margin-bottom: 0;
}

.feature_section .feature_container .box:hover,
.feature_section .feature_container .box.active {
  background-color: #ff8a1d;
  color: #ffffff;
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.feature_section .feature_container .box:hover .img-box svg,
.feature_section .feature_container .box.active .img-box svg {
  fill: #ffffff;
}

.feature_section .feature_container .box:hover .img-box svg path,
.feature_section .feature_container .box.active .img-box svg path {
  fill: #ffffff;
}

/* RESPONSIVE DESIGN */

@media (max-width: 768px) {
  .feature_section {
    transform: none;
    padding: 40px 10px;
  }

  .feature_section .feature_container {
    flex-direction: column;
    gap: 30px;
    align-items: center;
  }

  .feature_section .feature_container .box {
    max-width: 100%;
    width: 90%;
  }
}

@media (max-width: 480px) {
  .feature_section .feature_container .box .name {
    font-size: 16px;
  }

  .feature_section .feature_container .box .img-box {
    width: 70px;
    height: 70px;
  }
}

.about_section .row {
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.about_section .detail-box h2 {
  text-transform: uppercase;
  font-weight: bold;
}

.about_section .detail-box p {
  margin-top: 10px;
}

.about_section .detail-box a {
  margin-top: 15px;
  display: inline-block;
  font-family: 'Merriweather Sans', sans-serif;
  text-transform: uppercase;
  padding: 10px 45px;
  background-color: #0355cc;
  border: 1px solid #0355cc;
  border-radius: 2px;
  color: #ffffff;
}

.about_section .detail-box a:hover {
  background-color: transparent;
  color: #0355cc;
}

.about_section .img-box img {
  width: 100%;
}

.professional_section {
  background-color: #d1e3ff;
}

.professional_section .row {
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.professional_section .img-box img {
  width: 100%;
}

.professional_section .detail-box h2 {
  text-transform: uppercase;
  font-weight: bold;
  color: #0355cc;
}

.professional_section .detail-box p {
  margin-top: 20px;
}

.professional_section .detail-box a {
  margin-top: 25px;
  display: inline-block;
  font-family: 'Merriweather Sans', sans-serif;
  text-transform: uppercase;
  padding: 10px 45px;
  background-color: #ff8a1d;
  border: 1px solid #ff8a1d;
  border-radius: 2px;
  color: #ffffff;
}

.professional_section .detail-box a:hover {
  background-color: transparent;
  color: #ff8a1d;
}

.service_section {
  position: relative;
}

.service_section .box {
  margin-top: 30px;
  text-align: center;
  -webkit-box-shadow: 0 0 5px 2px rgba(0, 0, 0, 0.15);
          box-shadow: 0 0 5px 2px rgba(0, 0, 0, 0.15);
  padding: 25px 15px;
  -webkit-transition: all .3s;
  transition: all .3s;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.service_section .box .img-box {
  width: 65px;
  height: 65px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.service_section .box .img-box img {
  max-height: 100%;
  max-width: 100%;
  -webkit-transition: all .3s;
  transition: all .3s;
}

.service_section .box .detail-box {
  margin-top: 15px;
}

.service_section .box .detail-box h5 {
  font-weight: bold;
}

.service_section .box .detail-box p {
  margin: 0;
}

.service_section .box:hover {
  background-color: #ff8a1d;
  color: #ffffff;
}

.service_section .box:hover .img-box img {
  -webkit-filter: brightness(0) invert(1);
          filter: brightness(0) invert(1);
}

.service_section .btn-box {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  margin-top: 45px;
}

.service_section .btn-box a {
  display: inline-block;
  font-family: 'Merriweather Sans', sans-serif;
  text-transform: uppercase;
  padding: 10px 45px;
  background-color: #0355cc;
  border: 1px solid #0355cc;
  border-radius: 0;
  color: #ffffff;
}

.service_section .btn-box a:hover {
  background-color: transparent;
  color: #0355cc;
}

.client_section .heading_container {
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  text-align: center;
}

.client_section .box {
  margin: 15px;
  -webkit-box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.2);
          box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.2);
  padding: 25px;
}

.client_section .box .client_id {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}

.client_section .box .client_id .img-box {
  width: 125px;
  min-width: 125px;
  margin-right: 15px;
}

.client_section .box .client_id .img-box img {
  width: 100%;
  border-radius: 100%;
}

.client_section .box .client_id .client_detail {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  padding-right: 25px;
}

.client_section .box .client_id .client_detail .client_info h6 {
  margin-bottom: 0;
}

.client_section .box .client_id .client_detail .client_info i {
  color: #fbaf5d;
}

.client_section .box .client_text {
  margin-top: 20px;
}

.client_section .owl-carousel .owl-nav {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  margin-top: 20px;
}

.client_section .owl-carousel .owl-nav button {
  width: 50px;
  height: 50px;
  background-color: #0355cc;
  outline: none;
  margin: 0 20px;
  color: #ffffff;
}

.heading_container {
  margin-bottom: 30px;
}

.contact_section input {
  width: 100%;
  border: none;
  height: 50px;
  margin-bottom: 25px;
  padding-left: 25px;
  background-color: #ffffff;
  outline: none;
  color: #ffffff;
  -webkit-box-shadow: 0 0 7px 0 rgba(0, 0, 0, 0.2);
          box-shadow: 0 0 7px 0 rgba(0, 0, 0, 0.2);
}

.contact_section input::-webkit-input-placeholder {
  color: #737272;
}

.contact_section input:-ms-input-placeholder {
  color: #737272;
}

.contact_section input::-ms-input-placeholder {
  color: #737272;
}

.contact_section input::placeholder {
  color: #737272;
}

.contact_section input.message-box {
  height: 135px;
}

.contact_section button {
  border: none;
  display: inline-block;
  font-family: 'Merriweather Sans', sans-serif;
  text-transform: uppercase;
  padding: 10px 55px;
  background-color: #0355cc;
  border: 1px solid #0355cc;
  border-radius: 0;
  color: #ffffff;
  margin-top: 15px;
}

.contact_section button:hover {
  background-color: transparent;
  color: #0355cc;
}

.contact_section .map_container {
  height: 360px;
}

.contact_section .map_container .map {
  height: 100%;
}

.info_section {
  padding: 75px 0;
  background-color: #0a0f43;
  text-align: center;
  color: #fff;
}

.info_section h4 {
  text-transform: uppercase;
  font-weight: bold;
  margin-bottom: 25px;
}

.info_section .social-box {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  margin-top: 25px;
}

.info_section .social-box .box {
  background-color: #ffffff;
  padding: 5px 15px;
}

.info_section a {
  margin: 0 5px;
  color: #0355cc;
}

.info_section a i {
  font-size: 18px;
}

.info_section a:hover {
  color: #ff8a1d;
}

.info_items a {
  position: relative;
}

.info_items .item {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  text-align: center;
}

.info_items .item .img-box {
  width: 80px;
  height: 80px;
  border-radius: 100%;
  background-color: #ffffff;
  background-repeat: no-repeat;
  background-position: center;
  text-align: center;
  line-height: 80px;
  background-color: #0355cc;
  color: #ffffff;
}

.info_items .item .img-box i {
  font-size: 24px;
}

.info_items .item p {
  margin-top: 25px;
  color: #fff;
  margin-bottom: 0;
  background-color: #0a0f43;
}

.info_items .item:hover .img-box {
  background-color: #ff8a1d;
}

.info_items {
  position: relative;
}

.info_items::before {
  content: "";
  position: absolute;
  top: 65px;
  width: 75%;
  height: 1px;
  background-color: #fff;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
}

/* footer section*/
.footer_section {
  background-color: #0a0f43;
}

.footer_section p {
  margin: 0;
  padding: 25px 0;
  color: #ffffff;
  text-align: center;
  border-top: 0.8px solid #ffffff;
}

.footer_section a {
  color: inherit;
}

/* end footer section*/
/*# sourceMappingURL=style.css.map */

.konten_section {
  padding: 50px 20px;
  background-color: #f9f9f9;
}

.konten_heading {
  text-align: center;
  font-size: 28px;
  margin-bottom: 30px;
  font-weight: 600;
}

.filter_bar {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter_select {
  padding: 10px 15px;
  font-size: 16px;
  border-radius: 6px;
  border: 1px solid #ccc;
  min-width: 200px;
}

.konten_grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
}

.konten_card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  padding: 20px;
  text-align: center;
}

.konten_card h4 {
  margin-top: 15px;
  font-size: 18px;
  color: #333;
}

.konten_card p {
  font-size: 14px;
  color: #666;
}

.konten_video {
  width: 100%;
  height: 180px;
  border-radius: 8px;
}

/* SECTION: Deskripsi Pencarian */
.search-description p {
  font-size: 18px;
  text-align: center;
  margin-bottom: 30px;
  color: #444;
}

/* SECTION: Filter Bar */
.filter-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-bottom: 40px;
}

.filter-left,
.filter-center,
.filter-right,
.filter-reset {
  display: flex;
  flex-direction: column;
  align-items: start;
}

.filter-label {
  margin-bottom: 5px;
  font-weight: 600;
  color: #333;
}

.filter-select {
  padding: 10px 15px;
  font-size: 15px;
  border: 1px solid #ccc;
  border-radius: 8px;
  min-width: 180px;
  background-color: #f9f9f9;
  transition: 0.3s;
}

.filter-select:focus {
  outline: none;
  border-color: #007bff;
  box-shadow: 0 0 5px rgba(0, 123, 255, 0.3);
}

.reset-button {
  margin-top: 24px;
  padding: 10px 15px;
  background-color: #ff8a1d;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: 0.3s;
}

.reset-button:hover {
  background-color: #ff8a1d;
}

/* SECTION: Judul */
.section-title {
  font-size: 20px;
  font-weight: bold;
  color: #007bff;
}

h1.mb-5 {
  font-size: 32px;
  font-weight: 700;
  color: #2c3e50;
}

/* SECTION: Material Cards */
.material-card {
  background-color: #fff;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.material-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.material-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-bottom: 1px solid #eee;
}

.material-info {
  padding: 15px;
  text-align: left;
}

.material-info h5 {
  font-size: 18px;
  margin: 0 0 5px;
  color: #2c3e50;
  font-weight: 600;
}

.material-info small {
  font-size: 14px;
  color: #007bff;
}

/* Responsive */
@media (max-width: 768px) {
  .filter-container {
    flex-direction: column;
    align-items: center;
  }

  .filter-left,
  .filter-center,
  .filter-right,
  .filter-reset {
    width: 100%;
    align-items: center;
  }

  .filter-select {
    width: 100%;
  }
}
/** menu pilihan **/
.feature_section {
  padding: 40px 0;
  background-color: #f9f9f9;
}

.feature_container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.feature_box {
  flex: 1 1 calc(25% - 20px); /* 4 kolom */
  max-width: calc(25% - 20px);
  min-width: 250px;
  min-height: 260px;
  padding: 20px;
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-decoration: none;
  color: inherit;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.feature_box:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature_box svg {
  width: 50px;
  height: 50px;
  margin: 0 auto 15px auto;
}

.feature_box .name {
  font-size: 1.2rem;
  margin-bottom: 8px;
  font-weight: 600;
  color: #1d3557;
}

.feature_box .description {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.5;
  margin: 0 auto;
  max-width: 90%;
}

.feature_box:hover .description {
  color: #333;
}

.badge-segera-hadir {
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: #f39c12;
  color: white;
  padding: 4px 10px;
  font-size: 12px;
  border-radius: 12px;
  font-weight: bold;
  z-index: 1;
}

/* ===== About Section - Kita Pintar ===== */
.about_section {
  padding: 60px 0;
  background-color: #d1e3ff;
  font-family: 'Segoe UI', sans-serif;
}

.about_section .detail-box h2 {
  font-size: 32px;
  font-weight: 700;
  color: #1d3557;
  margin-bottom: 20px;
}

.about_section .detail-box p {
  font-size: 16px;
  line-height: 1.7;
  color: #333;
  margin-bottom: 30px;
  text-align: justify;
}

.about_section .about_btn {
  display: inline-block;
  padding: 12px 24px;
  background-color: #1d71b8;
  color: white;
  border-radius: 5px;
  text-decoration: none;
  font-size: 16px;
  transition: background-color 0.3s ease;
}

.about_section .about_btn:hover {
  background-color: #155a90;
}

.about_section .img-box img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
}

/* Responsive - About Section */
@media screen and (max-width: 768px) {
  .about_section .detail-box {
    text-align: center;
    margin-bottom: 30px;
  }

  .about_section .detail-box p {
    text-align: justify;
  }
}

/* ===== Filter Layout ===== */
.filter-container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 30px;
}

.filter-container select,
.filter-container button {
  padding: 10px 15px;
  font-size: 16px;
  border-radius: 6px;
  border: 1px solid #ccc;
}

/* Reset Button */
.reset-button {
  background-color: #ff8a1d;
  color: white;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.reset-button:hover {
  background-color: #e4760a;
}

/* ===== Konten Card ===== */
.material-card {
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  overflow: hidden;
  background-color: #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  transition: transform 0.3s;
}

.material-card:hover {
  transform: translateY(-6px);
}

.material-info {
  padding: 15px;
  text-align: center;
}

/* ===== Responsive Feature Section ===== */
@media screen and (max-width: 1024px) {
  .feature_box {
    flex: 1 1 calc(33.333% - 20px); /* 3 kolom tablet */
    max-width: calc(33.333% - 20px);
  }
}

@media screen and (max-width: 768px) {
  .feature_box {
    flex: 1 1 calc(50% - 20px); /* 2 kolom hp besar */
    max-width: calc(50% - 20px);
  }
}

@media screen and (max-width: 480px) {
  .feature_box {
    flex: 1 1 100%; /* 1 kolom hp kecil */
    max-width: 100%;
  }
}

/* Styling untuk body dan font */
body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f8f9fa;
  color: #333;
  margin: 0;
  padding: 0;
}

/* Menambahkan margin padding pada header */
header .header_top {
  background-color: #4CAF50;
  padding: 10px 0;
  color: white;
}

header .contact_nav a {
  color: white;
  text-decoration: none;
  margin-right: 20px;
}

header .contact_nav a i {
  margin-right: 8px;
}
/* Section Soal */
section {
  background-color: #f1f3f5;
}

/* Styling untuk dropdown */
.form-select {
  padding: 10px;
  font-size: 16px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  margin-bottom: 20px;
  width: 100%;
}

/* Styling untuk card */
.card {
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.card-img-top {
  height: 200px;
  object-fit: cover;
}

.card-body {
  background-color: #ffffff;
}

.quiz-section {
  padding: 2rem;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f9fafb;
}

.quiz-section h1 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
  color: #333;
}

.quiz-section #filter-kelas {
  display: block;
  margin: 0 auto 2rem auto;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 1rem;
  max-width: 300px;
}

.quiz-section .card {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  margin-bottom: 2rem;
  background-color: #fff;
  border: none;
}

.quiz-section .card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.quiz-section .card-img-top {
  height: 180px;
  object-fit: cover;
  border-bottom: 1px solid #eee;
}

.quiz-section .card-body {
  padding: 1rem;
  text-align: center;
}

.quiz-section .card-title {
  font-size: 1.2rem;
  color: #2c3e50;
  margin-bottom: 0.5rem;
}

.quiz-section .card-text {
  font-size: 0.95rem;
  color: #666;
  margin-bottom: 1rem;
}

.quiz-section .btn.start-quiz {
  background-color: #f39c12;
  color: #fff;
  padding: 0.5rem 1.2rem;
  border: none;
  border-radius: 6px;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.quiz-section .btn.start-quiz:hover {
  background-color: #f39c12;
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 ratio */
  height: 0;
  overflow: hidden;
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.pdf-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: #f4f4f4;
  z-index: 9999;
  flex-direction: column;
}

.pdf-header {
  background: #1e88e5;
  color: white;
  padding: 10px 20px;
  font-size: 18px;
  font-weight: bold;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pdf-title {
  flex-grow: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.close-btn {
  background: #f39c12;
  border: none;
  color: white;
  padding: 6px 12px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 4px;
}

#pdfFrame {
  flex-grow: 1;
  border: none;
  width: 100%;
  height: calc(100vh - 50px);
}