body {
      box-sizing: border-box;
    }

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

    html, body {
      width: 100%;
      height: 100%;
      overflow-x: hidden;
    }

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      background: linear-gradient(135deg, #f5f7fa 0%, #e4e9f2 100%);
      color: #2d3748;
      line-height: 1.6;
    }

    .app-wrapper {
      width: 100%;
      min-height: 100%;
    }

    /* Navigation */
    nav {
      position: fixed;
      top: 0;
      width: 100%;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
      z-index: 1000;
      padding: 1rem 0;
    }

    .nav-content {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-size: 1.5rem;
      font-weight: 700;
      color: #6366f1;
      text-decoration: none;
    }

    .logo svg {
      width: 40px;
      height: 40px;
    }

    .nav-links {
      display: flex;
      gap: 2rem;
      list-style: none;
      align-items: center;
    }

    .nav-links a {
      text-decoration: none;
      color: #4a5568;
      font-weight: 500;
      transition: color 0.3s ease;
      position: relative;
    }

    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: -5px;
      left: 0;
      width: 0;
      height: 2px;
      background: #6366f1;
      transition: width 0.3s ease;
    }

    .nav-links a:hover {
      color: #6366f1;
    }

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

    .auth-button {
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      color: white;
      border: none;
      padding: 0.6rem 1.5rem;
      border-radius: 25px;
      cursor: pointer;
      font-weight: 600;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .auth-button:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
    }

    .menu-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
    }

    .menu-toggle span {
      width: 25px;
      height: 3px;
      background: #6366f1;
      border-radius: 3px;
      transition: all 0.3s ease;
    }

    /* Hero Section */
    .hero {
      min-height: 100%;
      padding: 8rem 2rem 4rem;
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    }

    .hero-split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      max-width: 1400px;
      width: 100%;
      align-items: center;
    }

    .hero-left {
      z-index: 10;
    }

    .hero-right {
      position: relative;
      z-index: 10;
    }

    .typewriter-container {
      margin: 2rem 0;
    }

    .typewriter-text {
      font-size: 2rem;
      font-weight: 600;
      color: white;
      min-height: 3rem;
      border-right: 3px solid white;
      display: inline-block;
      padding-right: 0.5rem;
      animation: blink 0.7s infinite;
    }

    @keyframes blink {
      0%, 50% { border-color: white; }
      51%, 100% { border-color: transparent; }
    }

    .marquee-container {
      margin: 2rem 0;
      overflow: hidden;
      background: rgba(255, 255, 255, 0.1);
      padding: 1rem 0;
      border-radius: 10px;
      backdrop-filter: blur(10px);
    }

    .marquee-content {
      display: flex;
      gap: 3rem;
      animation: marquee 20s linear infinite;
      width: fit-content;
    }

    .marquee-item {
      color: white;
      font-size: 1.2rem;
      font-weight: 500;
      white-space: nowrap;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    @keyframes marquee {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }

    .slideshow-container {
      position: relative;
      width: 100%;
      height: 500px;
      border-radius: 20px;
      overflow: hidden;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    }

    .slide {
      position: absolute;
      width: 100%;
      height: 100%;
      opacity: 0;
      transition: opacity 1s ease-in-out;
    }

    .slide.active {
      opacity: 1;
    }

    .slide img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .slide-fallback {
      width: 100%;
      height: 100%;
      background: linear-gradient(135deg, #2563eb 0%, #a855f7 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 5rem;
    }

    .floating-shapes {
      position: absolute;
      width: 100%;
      height: 100%;
      overflow: hidden;
      pointer-events: none;
    }

    .shape {
      position: absolute;
      opacity: 0.1;
      animation: float 20s infinite ease-in-out;
    }

    .shape:nth-child(1) {
      width: 300px;
      height: 300px;
      background: white;
      border-radius: 50%;
      top: 10%;
      left: -5%;
      animation-delay: 0s;
    }

    .shape:nth-child(2) {
      width: 200px;
      height: 200px;
      background: white;
      border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
      top: 60%;
      right: -5%;
      animation-delay: 5s;
    }

    .shape:nth-child(3) {
      width: 150px;
      height: 150px;
      background: white;
      border-radius: 50%;
      bottom: 20%;
      left: 20%;
      animation-delay: 10s;
    }

    @keyframes float {
      0%, 100% {
        transform: translateY(0) rotate(0deg);
      }
      50% {
        transform: translateY(-30px) rotate(180deg);
      }
    }

    .hero-content {
      max-width: 800px;
      text-align: center;
      position: relative;
      z-index: 1;
    }

    .hero h1 {
      font-size: 3.5rem;
      font-weight: 800;
      color: white;
      margin-bottom: 1.5rem;
      line-height: 1.2;
      animation: fadeInUp 1s ease;
    }

    .hero-highlight {
      background: linear-gradient(90deg, #fff, #a8edea);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero p {
      font-size: 1.25rem;
      color: rgba(255, 255, 255, 0.9);
      margin-bottom: 2.5rem;
      animation: fadeInUp 1s ease 0.2s backwards;
    }

    .cta-buttons {
      display: flex;
      gap: 1.5rem;
      justify-content: center;
      flex-wrap: wrap;
      animation: fadeInUp 1s ease 0.4s backwards;
    }

    .btn {
      padding: 1rem 2.5rem;
      border: none;
      border-radius: 50px;
      font-size: 1.1rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
      text-decoration: none;
      display: inline-block;
    }

    .btn-primary {
      background: white;
      color: #6366f1;
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 15px 35px rgba(255, 255, 255, 0.3);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.2);
      color: white;
      backdrop-filter: blur(10px);
      border: 2px solid white;
    }

    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.3);
      transform: translateY(-3px);
    }

    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* Content Sections */
    .section {
      padding: 5rem 2rem;
      max-width: 1200px;
      margin: 0 auto;
    }

    .section-title {
      text-align: center;
      font-size: 2.5rem;
      font-weight: 800;
      color: #2d3748;
      margin-bottom: 3rem;
    }

    .section-subtitle {
      text-align: center;
      font-size: 1.2rem;
      color: #718096;
      margin-bottom: 4rem;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Feature Cards */
    .cards-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2rem;
      margin-top: 3rem;
    }

    .card {
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(10px);
      border-radius: 20px;
      padding: 2.5rem;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
      transition: all 0.4s ease;
      border: 1px solid rgba(255, 255, 255, 0.5);
    }

    .card:hover {
      transform: translateY(-10px);
      box-shadow: 0 20px 50px rgba(102, 126, 234, 0.25);
    }

    .card-icon {
      width: 60px;
      height: 60px;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      border-radius: 15px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1.5rem;
      font-size: 1.8rem;
    }

    .card h3 {
      font-size: 1.5rem;
      color: #2d3748;
      margin-bottom: 1rem;
    }

    .card p {
      color: #718096;
      line-height: 1.8;
    }

    /* Tutorial Cards */
    .tutorial-card {
      background: white;
      border-radius: 15px;
      overflow: hidden;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
      transition: all 0.3s ease;
      cursor: pointer;
    }

    .tutorial-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 15px 40px rgba(102, 126, 234, 0.3);
    }

    .tutorial-image {
      width: 100%;
      height: 200px;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      display: none;
      align-items: center;
      justify-content: center;
      font-size: 3rem;
    }

    .tutorial-image-real {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .tutorial-content {
      padding: 1.5rem;
    }

    .tutorial-level {
      display: inline-block;
      padding: 0.25rem 1rem;
      background: #e6f3ff;
      color: #3182ce;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 1rem;
    }

    .tutorial-content h3 {
      font-size: 1.3rem;
      color: #2d3748;
      margin-bottom: 0.5rem;
    }

    .tutorial-content p {
      color: #718096;
      font-size: 0.95rem;
    }

    /* Playground */
    .playground-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
      background: white;
      border-radius: 20px;
      padding: 2rem;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    }

    .code-editor, .preview-panel {
      min-height: 400px;
    }

    .panel-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: #2d3748;
      margin-bottom: 1rem;
      padding-bottom: 0.5rem;
      border-bottom: 2px solid #e2e8f0;
    }

    textarea {
      width: 100%;
      height: 350px;
      padding: 1rem;
      border: 2px solid #e2e8f0;
      border-radius: 10px;
      font-family: 'Courier New', monospace;
      font-size: 0.95rem;
      resize: vertical;
      background: #f7fafc;
    }

    .preview-box {
      width: 100%;
      height: 350px;
      border: 2px solid #e2e8f0;
      border-radius: 10px;
      padding: 1rem;
      overflow: auto;
      background: white;
    }

    /* Gallery */
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2rem;
    }

    .gallery-item {
      position: relative;
      border-radius: 15px;
      overflow: hidden;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease;
      cursor: pointer;
      height: 250px;
    }

    .gallery-item:hover {
      transform: scale(1.05);
    }

    .gallery-image {
      width: 100%;
      height: 100%;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2.5rem;
      color: white;
    }

    .gallery-overlay {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
      color: white;
      padding: 1.5rem;
      transform: translateY(100%);
      transition: transform 0.3s ease;
    }

    .gallery-item:hover .gallery-overlay {
      transform: translateY(0);
    }

    /* Blog */
    .blog-post {
      background: white;
      border-radius: 15px;
      padding: 2rem;
      margin-bottom: 2rem;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
      transition: all 0.3s ease;
    }

    .blog-post:hover {
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
      transform: translateY(-3px);
    }

    .blog-meta {
      color: #718096;
      font-size: 0.9rem;
      margin-bottom: 1rem;
    }

    .blog-post h2 {
      font-size: 2rem;
      color: #2d3748;
      margin-bottom: 1rem;
      font-family: 'Georgia', serif;
    }

    .blog-post p {
      color: #4a5568;
      line-height: 1.8;
      margin-bottom: 1rem;
    }

    .read-more {
      color: #6366f1;
      font-weight: 600;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
    }

    /* About Section */
    .about-content {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3rem;
      align-items: center;
    }

    .about-image {
      width: 100%;
      height: 400px;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      border-radius: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 4rem;
      box-shadow: 0 20px 50px rgba(102, 126, 234, 0.3);
    }

    .about-text h3 {
      font-size: 1.8rem;
      color: #2d3748;
      margin-bottom: 1rem;
    }

    .about-text p {
      color: #4a5568;
      line-height: 1.8;
      margin-bottom: 1.5rem;
    }

    /* Contact Form */
    .contact-container {
      max-width: 600px;
      margin: 0 auto;
      background: white;
      border-radius: 20px;
      padding: 3rem;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    }

    .form-group {
      margin-bottom: 1.5rem;
    }

    label {
      display: block;
      margin-bottom: 0.5rem;
      color: #2d3748;
      font-weight: 600;
      font-size: 0.95rem;
    }

    input, textarea {
      width: 100%;
      padding: 0.75rem 1rem;
      border: 2px solid #e2e8f0;
      border-radius: 10px;
      font-size: 1rem;
      transition: border-color 0.3s ease;
      font-family: inherit;
    }

    input:focus, textarea:focus {
      outline: none;
      border-color: #6366f1;
    }

    .submit-btn {
      width: 100%;
      padding: 1rem;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      color: white;
      border: none;
      border-radius: 10px;
      font-size: 1.1rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .submit-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
    }

    .submit-btn:disabled {
      opacity: 0.6;
      cursor: not-allowed;
    }

    /* Auth Modal */
    .modal {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.6);
      backdrop-filter: blur(5px);
      z-index: 2000;
      align-items: center;
      justify-content: center;
      padding: 1rem;
    }

    .modal.active {
      display: flex;
    }

    .modal-content {
      background: white;
      border-radius: 20px;
      padding: 3rem;
      max-width: 450px;
      width: 100%;
      position: relative;
      animation: modalSlideIn 0.3s ease;
    }

    @keyframes modalSlideIn {
      from {
        opacity: 0;
        transform: translateY(-50px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .modal-close {
      position: absolute;
      top: 1rem;
      right: 1rem;
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: #718096;
      width: 35px;
      height: 35px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      transition: all 0.3s ease;
    }

    .modal-close:hover {
      background: #f7fafc;
      color: #2d3748;
    }

    .modal h2 {
      text-align: center;
      color: #2d3748;
      margin-bottom: 2rem;
    }

    .toggle-auth {
      text-align: center;
      margin-top: 1.5rem;
      color: #718096;
    }

    .toggle-auth a {
      color: #6366f1;
      text-decoration: none;
      font-weight: 600;
    }

    .toggle-auth a:hover {
      text-decoration: underline;
    }

    .message {
      padding: 1rem;
      border-radius: 10px;
      margin-bottom: 1.5rem;
      text-align: center;
      font-weight: 600;
    }

    .message.success {
      background: #d4edda;
      color: #155724;
    }

    .message.error {
      background: #f8d7da;
      color: #721c24;
    }

    /* Footer */
    footer {
      background: #2d3748;
      color: white;
      padding: 3rem 2rem;
      text-align: center;
    }

    .footer-content {
      max-width: 1200px;
      margin: 0 auto;
    }

    .social-links {
      display: flex;
      justify-content: center;
      gap: 1.5rem;
      margin: 2rem 0;
    }

    .social-links a {
      width: 45px;
      height: 45px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      text-decoration: none;
      font-size: 1.3rem;
      transition: all 0.3s ease;
    }

    .social-links a:hover {
      background: #6366f1;
      transform: translateY(-5px);
    }

    .footer-text {
      color: rgba(255, 255, 255, 0.7);
      margin-top: 2rem;
    }

    /* Loading Indicator */
    .loading {
      display: inline-block;
      width: 20px;
      height: 20px;
      border: 3px solid rgba(255, 255, 255, 0.3);
      border-radius: 50%;
      border-top-color: white;
      animation: spin 0.8s linear infinite;
    }

    @keyframes spin {
      to { transform: rotate(360deg); }
    }

    /* Responsive */
    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
      }

      .nav-links.active {
        display: flex;
      }

      .menu-toggle {
        display: flex;
      }

      .hero-split {
        grid-template-columns: 1fr;
        gap: 2rem;
      }

      .slideshow-container {
        height: 300px;
      }

      .typewriter-text {
        font-size: 1.5rem;
      }

      .hero h1 {
        font-size: 2.5rem;
      }

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

      .cta-buttons {
        flex-direction: column;
      }

      .playground-container {
        grid-template-columns: 1fr;
      }

      .about-content {
        grid-template-columns: 1fr;
      }

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

    @media (max-width: 480px) {
      .hero h1 {
        font-size: 2rem;
      }

      .section-title {
        font-size: 2rem;
      }

      .card, .contact-container, .modal-content {
        padding: 1.5rem;
      }
    }
    nav .logo svg {
  height: 90px;
  width: auto;
}


.about-image {
  background-image: url("https://i.pinimg.com/736x/3a/d1/a9/3ad1a97511cff2df007205d6d09312f8.jpg");  /* change to your image */
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  
  width: 100%;
  height: 100%;
  border-radius: 12px; /* optional */
}