* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Poppins", Arial, sans-serif;
  background: linear-gradient(
    135deg,
    rgb(255, 255, 255) 0%,
    #e0e0e5 50%,
    #e0e0e5 100%
  );
  background-image: linear-gradient(
    135deg,
    #ffffff 0%,
    #e0e0e5 50%,
    #c0c0c5 100%
  );
  color: #121212;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 45%;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  border-radius: 0 0 25px 25px;
  padding: 12px 25px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1),
    inset 0 0 1px rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-top: none;
  z-index: 50;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links li a {
  color: rgba(0, 0, 0, 0.7);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  padding: 6px 14px;
  transition: all 0.3s ease;
  position: relative;
  text-align: center;
  --after-width: 0;
}

.nav-links li a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: var(--after-width);
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 0, 0, 0.7),
    transparent
  );
  transform: translateX(-50%);
  transition: width 0.4s ease;
}

.nav-links li a:hover {
  color: #000000;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.nav-links li a:hover::after {
  width: 100%;
}

.nav-links li a.active {
  font-weight: 600;
  color: #000000;
}

.nav-links li a.active[href="#"] {
  --after-width: 100%;
  background: none;
  border-radius: 0;
  border: none;
  box-shadow: none;
}

.nav-links li a.active[href="#"]::after {
  display: block;
  width: 100%;
}

.nav-links li a:active {
  transform: scale(0.95);
  transition: transform 0.1s ease;
}

.nav-links li a.active:not([href="#"])::after {
  width: 100%;
}

.nav-button {
  position: absolute;
  left: -80px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: white;
  padding: 12px 30px;
  border-radius: 20px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.nav-button:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(5px);
  box-shadow: 0 4px 20px rgba(255, 0, 0, 0.2);
}

.nav-icon {
  width: 2rem;
  height: 2rem;
  color: #ef4444;
  transition: color 0.3s;
}

.nav-item:hover .nav-icon {
  color: #f87171;
}

.nav-text {
  display: none;
}

.nav-item:hover .nav-text {
  display: inline;
}

/* Hero Section 1111111111111111111  */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  /* padding-top: 3rem; */
  background: linear-gradient(135deg, #ffffff 0%, #f0f0f5 50%, #e0e0e5 100%);
}

/* Background Gradient */
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #ffffff 0%, #f0f0f5 50%, #e0e0e5 100%);
  overflow: hidden;
}

.hero-bg::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background-size: 40px 40px;
  opacity: 0.05;
  background-image: linear-gradient(
      to right,
      rgba(0, 0, 0, 0.1) 1px,
      transparent 1px
    ),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.1) 1px, transparent 1px);
}

.hero-bg::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle at 30% 50%,
    rgba(220, 220, 240, 0.5) 0%,
    transparent 60%
  );
}

/* 3D Model */
.model-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1.5);
  width: 800px;
  height: 800px;
  z-index: 2;
  opacity: 0.8;
  pointer-events: none;
  filter: drop-shadow(0px 0px 30px rgba(0, 0, 0, 0.15));
}

model-viewer {
  width: 100%;
  height: 100%;
  --poster-color: transparent;
  background-color: transparent;
  animation: fadeIn 1.5s forwards;
}

/* Mengatur tampilan loading */
model-viewer::part(default-progress-bar) {
  background-color: rgba(255, 255, 255, 0.2);
}

model-viewer::part(default-progress-mask) {
  background-color: #4f46e5;
}

/* Text Content */
.hero-text {
  position: relative;
  text-align: center;
  padding: 20px;
  z-index: 10;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 3rem;
  width: 90%;
  max-width: 1400px;
  margin-top: 7rem;
  padding-top: 6rem;
  margin-button: 10rem;
}

.ai-heading {
  font-size: 12rem;
  font-weight: 900;
  line-height: 0.8;
  margin: 0;
  margin-bottom: 20px;
  background: linear-gradient(to bottom, #000000 30%, #454550);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -5px;
  text-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
  opacity: 0;
  animation: fadeInDown 1s forwards;
}

.hero-text h1 {
  font-size: 10rem;
  font-weight: 900;
  line-height: 0.95;
  margin: 0;
  background: linear-gradient(to bottom, #000000 30%, #454550);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -2px;
  text-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
  opacity: 0;
  animation: fadeInDown 1s forwards;
}

.hero-text h1 span {
  display: block;
  line-height: 0.9;
  margin-top: -20px;
  background: linear-gradient(to bottom, #000000 30%, #353540);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation-delay: 0.3s;
}

.hero-text p {
  font-size: 1.4rem;
  color: #333333;
  margin: 2rem 0;
  font-weight: 400;
  letter-spacing: 0.5px;
  text-align: left;
  opacity: 0;
  animation: fadeInUp 1s forwards;
}

.shop-btn {
  margin-top: 6rem;
  display: inline-block;
  font-size: 1.1rem;
  font-weight: bold;
  color: white;
  background: linear-gradient(135deg, rgb(0, 0, 0), #333333);
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  opacity: 0;
  animation: fadeIn 1s forwards;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.shop-btn:hover {
  transform: scale(1.05);
  background: linear-gradient(135deg, #333333, #000000);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.hero-small-cards {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin: 60px 0;
}

.left-cards,
.right-cards {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.hero-small-card {
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  border-radius: 10px;
  padding: 10px 15px;
  display: flex;
  align-items: center;
  color: #fed728;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s, box-shadow 0.3s;
  margin-top: 15px;
  height: 60px;
}

.hero-small-card:hover {
  transform: scale(1.05) translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.card-icon {
  margin-right: 10px;
}

/* Menambahkan gaya khusus untuk card dengan Ulasan Positif */
.right-cards .hero-small-card:nth-child(2) {
  margin-left: 50px;
}

/* Menambahkan gaya khusus untuk card dengan Kepuasan Pelanggan */
.left-cards .hero-small-card:nth-child(2) {
  margin-right: 50px;
}

/* Animations */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Responsive Design */
@media (max-width: 1200px) {
  .hero-text {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .ai-heading,
  .hero-text h1 {
    font-size: 8rem;
    letter-spacing: -3px;
  }

  .hero-text p {
    font-size: 1.2rem;
    text-align: center;
  }
}

@media (max-width: 992px) {
  .ai-heading,
  .hero-text h1 {
    font-size: 6rem;
  }

  .hero-text p {
    font-size: 1.1rem;
  }

  .shop-btn {
    font-size: 1rem;
    padding: 12px 25px;
  }
}

@media (max-width: 768px) {
  .hero {
    height: auto;
    padding-top: 5rem;
    padding-bottom: 5rem;
  }

  .model-container {
    width: 600px;
    height: 600px;
    transform: translate(-50%, -50%) scale(1.2);
  }

  .ai-heading,
  .hero-text h1 {
    font-size: 4rem;
    letter-spacing: -1px;
  }

  .hero-text p {
    font-size: 1rem;
  }

  .hero-small-cards {
    flex-direction: column;
    align-items: center;
  }

  .hero-small-card:nth-child(1) {
    order: 2;
  }

  .shop-btn {
    order: 1;
    margin-top: 15px;
  }

  .hero-small-card:nth-child(3) {
    order: 3;
  }

  .left-cards,
  .right-cards {
    align-items: center;
  }

  .hero-small-card {
    width: 80%;
    text-align: center;
  }
}

@media (max-width: 576px) {
  .ai-heading,
  .hero-text h1 {
    font-size: 3rem;
  }

  .hero-text p {
    font-size: 0.9rem;
  }

  .shop-btn {
    font-size: 0.9rem;
    padding: 10px 20px;
  }

  .model-container {
    width: 400px;
    height: 400px;
    transform: translate(-50%, -50%) scale(1);
  }
}

/* Section 222222222222222 2222*/
.quantum_section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  inset: 0;
  background: linear-gradient(135deg, #ffffff 0%, #f0f0f5 50%, #e0e0e5 100%);
  overflow: hidden;
  padding-bottom: 100px;
}

.content_wrapper {
  width: 60%;
  padding: 40px;
  position: relative;
  z-index: 1;
}

.model_wrapper {
  width: 40%;
  position: relative;
  z-index: 1;
}

.neo_container {
  max-width: 100%;
  margin: 0 auto;
}

.alpha_heading {
  font-size: 6rem;
  font-weight: 900;
  letter-spacing: -2px;
  margin-bottom: 50px;
  color: rgb(23, 23, 23);
  text-transform: uppercase;
  position: relative;
  justify-content: space-between;
  letter-spacing: -2px;
}

.alpha_heading-US {
  color: rgb(255, 255, 255);
  background: linear-gradient(to bottom, #000000 30%, #353540);
  padding: 1px 5px;
  border-radius: 5px;
}

/* Background Effect */
.cyber_bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, #ffffff 0%, #f0f0f5 50%, #e0e0e5 100%);
  z-index: 0;
}

@media (max-width: 768px) {
  .cyber_bg {
    background: linear-gradient(to top, #ffffff 0%, #f0f0f5 50%, #e0e0e5 100%);
  }
}

/* Card Grid Layout */
.quantum_grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 30px;
}

.dual_grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

/* Individual Card Styles */
.cyber_card {
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 25px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(28, 0, 0, 0.8);
  transition: all 0.3s ease;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.39);
}

.cyber_card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  border-color: rgba(0, 0, 0, 0.2);
  .expand_link {
    transform: rotate(45deg);
  }
}

.cyber_card:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgb(202, 191, 191),
    rgb(255, 255, 255)
  );
  opacity: 0.8;
}

.pulse_icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgb(255, 255, 255);
  border-radius: 50%;
  margin-bottom: 15px;
}

.pulse_icon svg {
  width: 20px;
  height: 20px;
  fill: rgb(0, 0, 0);
}

.neon_title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: rgb(255, 255, 255);
}

.ghost_text {
  color: rgb(255, 255, 255);
  font-size: 1rem;
}

.expand_link {
  position: absolute;
  right: 20px;
  top: 20px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  cursor: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgb(255, 255, 255);
  color: rgb(0, 0, 0);
  transition: all 0.3s ease;
}

/* 3D Model Viewer */
.model_container {
  width: 100%;
  height: 100%;
  position: relative;
}

.model-viewer {
  width: 100%;
  height: 100%;
  min-height: 100vh;
  --poster-color: transparent;
  background-color: transparent;
}

/* Glow effect behind model */
.model_glow {
  position: absolute;
  width: 600px;
  height: 600px;
  top: 35%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
}

/* Futuristic elements */
.tech_line {
  position: absolute;
  height: 2px;
  width: 150px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 0, 0, 0.5),
    transparent
  );
  animation: pulse 3s infinite;
  opacity: 0.7;
}

.tech_line:nth-child(1) {
  top: 20%;
  right: 0;
}

.tech_line:nth-child(2) {
  bottom: 30%;
  left: 0;
}

@keyframes pulse {
  0% {
    opacity: 0.3;
    width: 50px;
  }
  50% {
    opacity: 0.7;
    width: 150px;
  }
  100% {
    opacity: 0.3;
    width: 50px;
  }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .content_wrapper {
    width: 55%;
  }

  .model_wrapper {
    width: 45%;
  }
}

@media (max-width: 768px) {
  .quantum_section {
    flex-direction: column;
  }

  .content_wrapper {
    width: 100%;
    padding: 30px;
    order: 2;
  }

  .model_wrapper {
    display: none;
  }

  .dual_grid {
    grid-template-columns: 1fr;
  }

  .alpha_heading {
    font-size: 3.5rem;
    margin-top: 30px;
  }
}

/* section 333333333333333333333333333 */
.ai-power-showcase {
  padding: 20px 0;
  position: relative;
  overflow: hidden;
  max-height: 100%;
}

@media (max-width: 768px) {
  .ai-power-showcase {
    display: none;
  }
}

.ai-power-showcase::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to top,
    rgb(255, 255, 255) 0%,
    #e0e0e5 50%,
    #e0e0e5 100%
  );
  pointer-events: none;
}
.ai::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle at 30% 50%,
    rgba(220, 220, 240, 0.5) 0%,
    transparent 60%
  );
}

.ai-power-showcase .section-header {
  text-align: center;
  margin-bottom: 80px;
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.meet-our {
  font-size: 6rem;
  font-weight: 800;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 20px;
  letter-spacing: -1px;
  position: relative;
  display: inline-block;
  text-align: center;
  padding: 0 20px;
}

@media (max-width: 768px) {
  .meet-our {
    font-size: 100px;
    font-weight: 900;
    text-align: center;
    letter-spacing: -1px;
    text-transform: uppercase;
  }
}

.ai-power-showcase .section-header h2::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 150px;
  height: 4px;
  border-radius: 2px;
}

.AI-section-header {
  color: rgb(255, 255, 255);
  background: linear-gradient(to bottom, #000000 30%, #353540);
  padding: 1px 5px;
  border-radius: 5px;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 px;
}

.showcase-card {
  background: rgb(0, 0, 0);
  border: 1px solid rgba(0, 0, 0, 0.34);
  border-radius: 30px;
  padding: 35px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  transition: all 0.4s ease;
  height: 500px;
  width: 100%;
  max-width: 350px;
  margin: 0 auto;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.showcase-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgb(0, 0, 0), rgba(0, 0, 0, 0));
  z-index: -1;
}

.showcase-card:nth-child(2) {
  height: 550px;
  transform: translateY(-25px);
  background: rgb(0, 0, 0);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 15px 45px 0 rgba(31, 38, 135, 0.15);
}

.showcase-card:hover {
  transform: translateY(-15px);
  box-shadow: 0 20px 60px 0 rgba(31, 38, 135, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.showcase-image {
  width: 100%;
  height: 450px;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  background: rgb(255, 255, 255);
  margin-bottom: 25px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.showcase-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.1s ease;
}

.showcase-card:hover .showcase-image img {
  transform: scale(1.05);
}

.showcase-title {
  color: rgb(0, 0, 0);
  font-size: 2.2rem;
  font-weight: 700;
  margin: 0 0 20px;
  text-align: center;
  background: linear-gradient(90deg, rgb(255, 255, 255), rgb(116, 116, 116));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.5px;
}

.showcase-button {
  display: inline-block;
  padding: 15px 30px;
  background: linear-gradient(135deg, rgb(142, 142, 142), rgb(255, 255, 255));
  color: rgb(0, 0, 0);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  width: 100%;
  margin-top: auto;
}

.showcase-button:hover {
  background: linear-gradient(135deg, rgb(255, 255, 255), #000000);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

@media (max-width: 1200px) {
  .showcase-grid {
    gap: 30px;
    padding: 0 15px;
  }

  .showcase-card {
    max-width: 320px;
  }
}

@media (max-width: 1024px) {
  .showcase-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .showcase-card {
    max-width: 340px;
  }
}

/* Teacher Section 444444444444444444444444444 */
.teacher-section {
  /* background-color: red; */
  background: linear-gradient(to bottom, #ffffff 0%, #f0f0f5 50%, #e0e0e5 100%);
  padding: px 0;
  overflow: hidden;
  position: relative;
}

.section-container {
  max-width: 100%;
  padding: 0 20px;
  overflow: hidden;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 60px;
  position: relative;
  flex-wrap: wrap;
  text-align: center;
  margin-bottom: 40px;
  padding: 0 20px;
  margin-top: 50px;
}

.section-header h2 {
  font-size: 5rem;
  font-weight: 700;
  color: #000;
  background: linear-gradient(to right, #000, #333);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0;
  letter-spacing: 1px;
  line-height: 1.1;
  margin-bottom: 20px;
}

.highlight {
  color: #000;
  position: relative;
  display: inline-block;
}

.underline {
  position: absolute;
  bottom: -10px;
  right: 20%;
  transform: translateX(-40%);
  height: 4px;
  width: 40%;
  border-radius: 2px;
  margin: 0 auto;
  opacity: 0.8;
  transition: width 0.3s ease;
}

.highlight:hover .underline {
  width: 70%;
  opacity: 1;
}

.more-btn {
  display: inline-block;
  padding: 12px 24px;
  background: linear-gradient(135deg, #000000, #333333);
  color: white;
  font-weight: bold;
  text-decoration: none;
  border-radius: 30px;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.more-btn:hover {
  background: linear-gradient(135deg, #333333, #000000);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.cards-container {
  display: flex;
  gap: 30px;
  overflow-x: auto;
  padding: 20px 0;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  cursor: grab;
  margin: 0 auto;
  max-width: 95%;
}

.cards-container::-webkit-scrollbar {
  display: none;
}

.teacher-card {
  min-width: 300px;
  height: 500px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 25px;
  border: 5px solid rgba(68, 68, 68, 0.2);
  transition: all 0.4s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}

.teacher-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.15);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.card-header h3 {
  font-size: 1.8rem;
  font-weight: 700;
  color: #333;
  margin: 0;
}

.card-desc {
  font-size: 1rem;
  line-height: 1.6;
  color: #555;
  margin-bottom: 20px;
  flex-grow: 1;
}

.card-image {
  width: 100%;
  height: 250px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  border-radius: 15px;
  margin-top: auto;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card-image:hover img {
  transform: scale(1.05);
}

.card-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 50%;
  transition: all 0.3s ease;
}

.card-link:hover {
  background: rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .cards-container {
    gap: 20px;
    padding: 15px 0;
  }

  .teacher-card {
    min-width: 260px;
    height: 450px;
    padding: 20px;
  }

  .card-header h3 {
    font-size: 1.5rem;
  }

  .card-image {
    height: 200px;
  }
}

/* Floating background effects for section */
.teacher-section::before {
  content: "";
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(220, 220, 240, 0.1) 0%,
    transparent 70%
  );
  top: -200px;
  right: -200px;
  z-index: 0;
}

.teacher-section::after {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(220, 220, 240, 0.1) 0%,
    transparent 70%
  );
  bottom: -100px;
  left: -100px;
  z-index: 0;
}

@media (max-width: 1024px) {
  .cards-container {
    flex-wrap: wrap;
  }

  .teacher-card {
    width: calc(50% - 15px);
    margin-bottom: 30px;
    height: 600px;
  }

  .card-featured {
    transform: translateY(-20px);
    height: 650px;
  }

  .card-featured:hover {
    transform: translateY(-30px) scale(1.03);
  }
}

@media (max-width: 768px) {
  .section-header {
    flex-direction: column;
  }

  .more-btn {
    margin-top: 20px;
  }

  .teacher-card {
    width: 100%;
    height: 570px;
  }

  .section-header h2 {
    font-size: 2.8rem;
  }

  .card-image {
    height: 350px;
  }

  .card-featured {
    transform: translateY(-15px);
    height: 620px;
  }

  .card-featured:hover {
    transform: translateY(-20px) scale(1.02);
  }
}

/* section 5555555555555555555 */

.trusted-student-section {
  padding: 40px 20px;
  max-width: 1400px;
  margin: 0 auto;
  text-align: center;
  background: linear-gradient(to top, #ffffff 0%, #f0f0f5 50%, #e0e0e5 100%);
}

.trusted-student-section h2 {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 50px;
  letter-spacing: -1px;
  text-transform: uppercase;
}

@media (max-width: 1400px) {
  .trusted-student-section {
    padding: 0 10% 20px 10%;
  }
}

@media (max-width: 700px), (min-width: 400px) {
  .trusted-student-section {
    padding: 0 30px 20px 30px;
  }
}

@media (min-width: 1400px) {
  .trusted-student-section {
    max-width: 100%;
    padding: 0 10% 20px 10%;
  }
}

/* GRID LAYOUT */
.trusted-student-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  justify-items: center;
}

/* CARD STYLING */
.trusted-card {
  background: linear-gradient(
    135deg,
    rgb(255, 255, 255) 0%,
    #e0e0e5 50%,
    #e0e0e5 100%
  );
  border-radius: 20px;
  padding: 25px;
  width: 100%;
  max-width: 400px;
  text-align: left;
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.trusted-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* Quote Icon */
.quote-icon {
  font-size: 3rem;
  font-weight: bold;
  color: #000;
  margin-bottom: 15px;
}

/* Text Content */
.quote-text {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 20px;
  color: #444;
}

/* PROFILE (Nama + Kelas) */
.profile {
  display: flex;
  align-items: center;
  margin-top: 10px;
}

.profile-img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #ddd;
  margin-right: 10px;
  flex-shrink: 0;
}

.profile-info h4 {
  font-size: 1rem;
  margin-bottom: 3px;
  font-weight: 600;
}

.profile-info span {
  font-size: 0.8rem;
  color: #777;
}

/* SEE MORE BUTTON */
.see-more-wrapper {
  margin-top: 40px;
}

.see-more-btn {
  background: #000;
  color: #fff;
  padding: 15px 30px;
  border-radius: 30px;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.25s ease, background-color 0.25s ease;
  justify content: center;
}

.see-more-btn:hover {
  background-color: #333;
  transform: translateY(-3px);
}

/* Modern Footer Styling */
.modern-footer {
  background-color: #f8f9fa;
  color: #333;
  position: relative;
  margin-top: 6rem;
  font-family: "Poppins", sans-serif;
}

/* Wave divider */
.wave-divider {
  position: absolute;
  top: -100px;
  left: 0;
  width: 100%;
  height: 100px;
  overflow: hidden;
  line-height: 0;
}

.wave-divider svg {
  position: relative;
  display: block;
  width: 100%;
  height: 100px;
}

/* Footer container */
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Main footer content */
.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  padding: 4rem 0 3rem;
  gap: 2rem;
}

/* Brand section */
.footer-brand {
  flex: 1 1 300px;
  max-width: 350px;
}

.footer-logo {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
}

.icon-star-footer {
  color: #000000ff;
  margin-right: 0.5rem;
  transition: color 0.3s ease;
}

.footer-logo:hover .icon-star-footer {
  color: #ffe600;
}

.brand-description {
  color: #666;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

/* Social media */
.social-media {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background-color: #f1f1f1;
  color: #333;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.social-link:hover {
  background-color: #000000ff;
  color: white;
  transform: translateY(-3px);
}

/* Links section */
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  flex: 2 1 400px;
}

.footer-col {
  flex: 1 1 150px;
}

.footer-col h4 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 2px;
  background-color: #000000ff;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.8rem;
}

.footer-col ul li a {
  color: #666;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
}

.footer-col ul li a:hover {
  color: #a855f7;
  transform: translateX(5px);
}

/* Newsletter section */
.footer-newsletter {
  flex: 1 1 250px;
}

.footer-newsletter h4 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-newsletter h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 2px;
  background-color: #a855f7;
}

.footer-newsletter p {
  color: #666;
  margin-bottom: 1.2rem;
}

.newsletter-form {
  display: flex;
  position: relative;
}

.newsletter-form input {
  width: 100%;
  padding: 0.8rem 1rem;
  border: none;
  border-radius: 10px;
  background-color: #fff;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
  font-size: 0.9rem;
}

.newsletter-form button {
  position: absolute;
  right: 5px;
  top: 50%;
  transform: translateY(-50%);
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: 50%;
  background-color: #a855f7;
  color: white;
  cursor: pointer;
  transition: background-color 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.newsletter-form button:hover {
  background-color: #8a2be2;
}

/* Copyright section */
.footer-bottom {
  padding: 1.5rem 0;
  border-top: 1px solid #eee;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.copyright p {
  font-size: 0.9rem;
  color: #777;
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  font-size: 0.85rem;
  color: #777;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-bottom-links a:hover {
  color: #a855f7;
}

/* Responsiveness */
@media (max-width: 992px) {
  .footer-content {
    flex-direction: column;
  }

  .footer-brand {
    max-width: 100%;
    margin-bottom: 2rem;
  }
}

@media (max-width: 576px) .footer-bottom {
  flex-direction: column;
  text-align: center;
}

.footer-bottom-links {
  justify-content: center;
}

/* AI Chat page */