/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(to right, #e0f7fa, #ffffff);
    overflow-x: hidden;
    scroll-behavior: smooth;
  }
  
  /* Header */
  .header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background: rgba(255, 255, 255, 0.9);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
  }
  
  .logo {
    font-size: 28px;
    font-weight: 700;
    color: #00796b;
  }
  
  .navbar a {
    margin-left: 20px;
    color: #00796b;
    text-decoration: none;
    font-weight: 600;
    position: relative;
  }
  
  .navbar a::after {
    content: '';
    width: 0;
    height: 2px;
    background: #00796b;
    display: block;
    transition: width 0.3s;
  }
  
  .navbar a:hover::after {
    width: 100%;
  }
  
  /* Hero Section */
  .hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: #000;
  }
  
  #particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 0;
  }
  
  .hero-content {
    color: white;
    position: relative;
    z-index: 1;
  }
  
  .hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
  }
  .globe-section {
    background: #000d1a;
    padding: 100px 0;
    text-align: center;
    position: relative;
  }
  
  #globeViz {
    width: 100%;
    height: 500px;
    margin: 0 auto;
  }
  
  .hero p {
    font-size: 1.5rem;
    margin-bottom: 30px;
  }
  
  .btn {
    background: #004d40;
    color: white;
    padding: 10px 25px;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    cursor: pointer;
  }
  
  .btn:hover {
    background: #00695c;
  }
  
  /* Counters */
  .counters {
    display: flex;
    justify-content: center;
    gap: 50px;
    padding: 50px 20px;
    background: #e0f2f1;
    text-align: center;
  }
  
  .counter-box h2 {
    color: #00796b;
    font-size: 3rem;
  }
  
  .counter-box p {
    margin-top: 10px;
    font-weight: 600;
    color: #004d40;
  }
  
  /* Services */
  .section-title {
    text-align: center;
    margin: 50px 0 20px;
    font-size: 2rem;
    color: #00796b;
  }
  
  .card-container {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    padding: 40px 20px;
  }
  
  .card {
    width: 250px;
    height: 300px;
    perspective: 1000px;
  }
  
  .card-inner {
    width: 100%;
    height: 100%;
    transition: transform 0.8s;
    transform-style: preserve-3d;
    position: relative;
  }
  
  .card:hover .card-inner {
    transform: rotateY(180deg);
  }
  
  .card-front, .card-back {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 121, 107, 0.3);
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
  }
  
  .card-front {
    background: linear-gradient(135deg, #80cbc4, #004d40);
    color: white;
  }
  
  .card-back {
    background: #e0f2f1;
    color: #004d40;
    transform: rotateY(180deg);
  }
  .wave {
    position: relative;
    width: 100%;
    overflow: hidden;
    line-height: 0;
  }
  .wave svg {
    position: relative;
    display: block;
    width: calc(200% + 1.3px);
    height: 150px;
  }
  
  /* DNA Section */
  .dna-section {
    padding: 60px 20px;
    text-align: center;
    background: #b2dfdb;
  }
  
  .dna-wrapper {
    display: flex;
    justify-content: center;
    margin-top: 30px;
  }
  
  .dna {
    position: relative;
    width: 120px;
    height: 300px;
    animation: spin 10s infinite linear;
  }
  
  .dna div {
    position: absolute;
    width: 20px;
    height: 20px;
    background: #004d40;
    border-radius: 50%;
  }
  
  .dna div:nth-child(1) { top: 0; left: 50%; transform: translateX(-50%);}
  .dna div:nth-child(2) { top: 60px; left: 50%; transform: translateX(-50%);}
  .dna div:nth-child(3) { top: 120px; left: 50%; transform: translateX(-50%);}
  .dna div:nth-child(4) { top: 180px; left: 50%; transform: translateX(-50%);}
  .dna div:nth-child(5) { top: 240px; left: 50%; transform: translateX(-50%);}
  
  @keyframes spin {
    from {transform: rotateY(0deg);}
    to {transform: rotateY(360deg);}
  }
  
  /* About, Contact and Footer */
  .robot-container {
    text-align: center;
    margin-top: 50px;
  }
  .robot {
    width: 300px;
    animation: floatingRobot 6s ease-in-out infinite;
  }
  
  @keyframes floatingRobot {
    0% { transform: translateY(0px) scale(1);}
    50% { transform: translateY(-20px) scale(1.05);}
    100% { transform: translateY(0px) scale(1);}
  }
  
  .about-content, .contact-form {
    padding: 50px 20px;
    text-align: center;
  }
  
  .contact-form input, .contact-form textarea {
    width: 90%;
    max-width: 400px;
    margin: 10px 0;
    padding: 10px;
  }
  
  .footer {
    text-align: center;
    padding: 20px;
    background: #004d40;
    color: white;
  }
  
  /* Animations */
  .fade-in {
    opacity: 0;
    transition: opacity 1.5s ease, transform 1.5s ease;
  }
  
  .fade-in.visible {
    opacity: 1;
    transform: none;
  }
  
  /* Responsive */
  @media (max-width: 768px) {
    .counters {
      flex-direction: column;
    }
    .card-container {
      flex-direction: column;
      align-items: center;
    }
  }
/* --- 3D Hover Tilt on Cards --- */
.card {
    transform-style: preserve-3d;
    transform: perspective(1000px);
    transition: transform 0.3s;
  }
  
  .card:hover {
    transform: perspective(1000px) rotateY(10deg) rotateX(10deg) scale(1.05);
  }
  
  /* Floating 3D orbs in DNA section */
  .dna-section {
    position: relative;
    overflow: hidden;
  }
  
  .orb {
    position: absolute;
    width: 50px;
    height: 50px;
    background: rgba(0, 121, 107, 0.4);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
  }
  
  .orb:nth-child(1) { top: 10%; left: 20%; animation-delay: 0s; }
  .orb:nth-child(2) { top: 40%; left: 80%; animation-delay: 2s; }
  .orb:nth-child(3) { top: 70%; left: 30%; animation-delay: 4s; }
  
  @keyframes float {
    0% { transform: translateY(0) rotate(0deg);}
    50% { transform: translateY(-20px) rotate(180deg);}
    100% { transform: translateY(0) rotate(360deg);}
  }
  
  /* Button Pulse Animation */
  .btn {
    animation: pulse 2s infinite;
  }
  
  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 77, 64, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(0, 77, 64, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 77, 64, 0); }
  }
  
  /* Background Glow Aura */
  .hero, .services, .about, .contact {
    position: relative;
    z-index: 1;
  }
  
  .hero::after, .services::after, .about::after, .contact::after {
    content: '';
    position: absolute;
    top: -50px; left: -50px; right: -50px; bottom: -50px;
    background: radial-gradient(circle, rgba(0,150,136,0.2) 0%, transparent 70%);
    z-index: -1;
    animation: aura 5s infinite alternate;
  }
  
  @keyframes aura {
    0% { transform: scale(1);}
    100% { transform: scale(1.2);}
  }
  
  /* DNA Animation More Dynamic */
  @keyframes spinPulse {
    0% { transform: rotateY(0deg) scale(1);}
    50% { transform: rotateY(180deg) scale(1.1);}
    100% { transform: rotateY(360deg) scale(1);}
  }
  
  .dna {
    animation: spinPulse 8s infinite linear;
  }