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

    body {
      font-family: 'Inter', sans-serif;
      background-color: #0a0a0f;
      color: #e0e0e0;
      line-height: 1.6;
      overflow-x: hidden;
    }

    #math-canvas {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: -1;
      pointer-events: none;
      opacity: 0.6;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
      font-family: 'Playfair Display', serif;
      color: #c8935f;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.3s;
    }

    a:hover {
      color: #c8935f;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    .btn {
      display: inline-block;
      padding: 12px 28px;
      border-radius: 30px;
      font-weight: 600;
      transition: all 0.3s;
      cursor: pointer;
      border: 2px solid #c8935f;
      background: transparent;
      color: #c8935f;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .btn:hover {
      background: #c8935f;
      color: #0a0a0f;
      transform: translateY(-2px);
      box-shadow: 0 5px 15px rgba(200, 147, 95, 0.3);
    }

    .btn-primary {
      background: #c8935f;
      color: #0a0a0f;
      border-color: #c8935f;
    }

    .btn-primary:hover {
      background: transparent;
      color: #c8935f;
    }

    .gold-text {
      color: #c8935f;
    }

    section {
      padding: 80px 0;
    }

    .section-title {
      text-align: center;
      margin-bottom: 50px;
      font-size: 2.5rem;
      position: relative;
      display: inline-block;
      left: 50%;
      transform: translateX(-50%);
    }

    .section-title::after {
      content: '';
      display: block;
      width: 50%;
      height: 3px;
      background: #c8935f;
      margin: 10px auto 0;
    }

    /* Navbar */
    nav {
      position: fixed;
      top: 0;
      width: 100%;
      background: rgba(10, 10, 15, 0.95);
      backdrop-filter: blur(10px);
      z-index: 1000;
      padding: 15px 0;
      border-bottom: 1px solid rgba(200, 147, 95, 0.2);
    }

    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      max-width: 1200px;
      margin: auto;
      padding: 0 20px;
    }

    .logo {
      font-family: 'Playfair Display', serif;
      font-size: 2rem;
      font-weight: 700;
      color: #c8935f;
    }

    .nav-links {
      display: flex;
      gap: 30px;
      list-style: none;
      align-items: center;
    }

    .nav-links a {
      font-weight: 500;
      position: relative;
    }

    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: -5px;
      left: 0;
      width: 0;
      height: 2px;
      background: #c8935f;
      transition: width 0.3s;
    }

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

    .hamburger {
      display: none;
      font-size: 1.8rem;
      cursor: pointer;
      color: #c8935f;
      background: none;
      border: none;
    }

    @media (max-width: 768px) {
      .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background: rgba(10, 10, 15, 0.98);
        width: 70%;
        height: 100vh;
        padding: 40px 30px;
        transition: right 0.3s;
        border-left: 1px solid #c8935f;
      }

      .nav-links.active {
        right: 0;
      }

      .hamburger {
        display: block;
      }
    }

    /* Hero */
    #hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      position: relative;
      overflow: hidden;
      background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #0a0a0f 100%);
    }

    #hero::before {
      content: '';
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: radial-gradient(circle, rgba(200, 147, 95, 0.05) 0%, transparent 70%);
      animation: gradientMove 10s infinite alternate;
    }

    @keyframes gradientMove {
      0% {
        transform: translate(0, 0);
      }

      100% {
        transform: translate(20%, 20%);
      }
    }

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

    .hero-content h1 {
      font-size: 3.5rem;
      margin-bottom: 20px;
      line-height: 1.2;
    }

    .hero-content p {
      font-size: 1.2rem;
      margin-bottom: 30px;
      color: #b0b0b0;
    }

    .hero-badge {
      display: inline-block;
      background: rgba(200, 147, 95, 0.15);
      padding: 8px 20px;
      border-radius: 30px;
      border: 1px solid #c8935f;
      margin-bottom: 20px;
      font-size: 0.9rem;
    }

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

    .btn-outline {
      background: transparent;
      color: #c8935f;
      border: 2px solid #c8935f;
    }

    .btn-outline:hover {
      background: #c8935f;
      color: #0a0a0f;
    }

    .service-card, .portfolio-item, .price-card {
      transition: transform 0.1s ease-out, box-shadow 0.3s;
      transform-style: preserve-3d;
      will-change: transform;
    }

    .service-card:hover, .portfolio-item:hover, .price-card:hover {
      box-shadow: 0 20px 40px rgba(200, 147, 95, 0.2);
      z-index: 10;
    }

    /* Services */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
    }

    .service-card {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(200, 147, 95, 0.2);
      padding: 30px;
      border-radius: 15px;
      text-align: center;
      transition: all 0.4s;
      backdrop-filter: blur(10px);
    }

    .service-card:hover {
      background: rgba(200, 147, 95, 0.1);
      border-color: #c8935f;
      transform: translateY(-10px);
      box-shadow: 0 10px 30px rgba(200, 147, 95, 0.2);
    }

    .service-card i {
      font-size: 2.5rem;
      color: #c8935f;
      margin-bottom: 20px;
    }

    .service-card h3 {
      margin-bottom: 15px;
      font-family: 'Inter', sans-serif;
      font-size: 1.3rem;
    }

    .service-card p {
      color: #b0b0b0;
    }

    /* Portfolio */
    .portfolio-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
    }

    .portfolio-item {
      border-radius: 15px;
      overflow: hidden;
      position: relative;
      cursor: pointer;
      transition: transform 0.3s;
    }

    .portfolio-item:hover {
      transform: scale(1.03);
    }

    .portfolio-img {
      height: 250px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 1.5rem;
      font-weight: 600;
      text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
    }

    .portfolio-overlay {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      background: rgba(10, 10, 15, 0.8);
      padding: 20px;
      transform: translateY(100%);
      transition: transform 0.3s;
    }

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

    .portfolio-overlay h3 {
      color: #c8935f;
      margin-bottom: 5px;
    }

    .portfolio-overlay p {
      font-size: 0.9rem;
      color: #ccc;
    }

    /* Prices */
    .prices-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
    }

    .price-card {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(200, 147, 95, 0.2);
      padding: 30px;
      border-radius: 15px;
      text-align: center;
      transition: all 0.3s;
    }

    .price-card:hover {
      border-color: #c8935f;
      transform: translateY(-5px);
    }

    .price-card h3 {
      font-family: 'Inter', sans-serif;
      font-size: 1.2rem;
      margin-bottom: 10px;
    }

    .price-card .price {
      font-size: 2rem;
      font-weight: 700;
      color: #c8935f;
      margin: 15px 0;
    }

    .price-card .price small {
      font-size: 0.9rem;
      color: #b0b0b0;
    }

    .price-card .btn {
      margin-top: 15px;
    }

    /* About */
    .about-grid {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 50px;
    }

    .about-image {
      flex: 1;
      min-width: 250px;
      text-align: center;
    }

    .about-photo {
      width: 250px;
      height: 250px;
      border-radius: 50%;
      background: linear-gradient(135deg, #c8935f, #0a0a0f);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 4rem;
      color: white;
      margin: 0 auto;
      border: 4px solid #c8935f;
      overflow: hidden;
    }

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

    .about-text {
      flex: 2;
      min-width: 300px;
    }

    .about-text h2 {
      margin-bottom: 20px;
    }

    .about-text p {
      margin-bottom: 20px;
      color: #b0b0b0;
    }

    .tech-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tech-tag {
      background: rgba(200, 147, 95, 0.15);
      padding: 5px 15px;
      border-radius: 20px;
      border: 1px solid #c8935f;
      font-size: 0.85rem;
    }

    /* FAQ */
    #faq {
      background: rgba(255, 255, 255, 0.02);
    }

    .faq-grid {
      max-width: 800px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .faq-item {
      border: 1px solid rgba(200, 147, 95, 0.2);
      border-radius: 10px;
      overflow: hidden;
      transition: all 0.3s;
    }

    .faq-question {
      width: 100%;
      padding: 20px;
      background: rgba(255, 255, 255, 0.03);
      border: none;
      color: white;
      text-align: left;
      font-size: 1.1rem;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-family: 'Inter', sans-serif;
    }

    .faq-question i {
      color: #c8935f;
      transition: transform 0.3s;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: all 0.3s ease-out;
      background: rgba(0, 0, 0, 0.2);
    }

    .faq-answer p {
      padding: 20px;
      color: #b0b0b0;
    }

    .faq-item.active {
      border-color: #c8935f;
      background: rgba(200, 147, 95, 0.05);
    }

    .faq-item.active .faq-answer {
      max-height: 200px;
    }

    .faq-item.active .faq-question i {
      transform: rotate(180deg);
    }

    /* Contact */
    .contact-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 50px;
      align-items: flex-start;
    }

    .contact-form {
      flex: 2;
      min-width: 300px;
    }

    .contact-form input,
    .contact-form select,
    .contact-form textarea {
      width: 100%;
      padding: 12px;
      margin-bottom: 20px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(200, 147, 95, 0.3);
      border-radius: 8px;
      color: white;
      font-family: 'Inter', sans-serif;
    }

    .contact-form input:focus,
    .contact-form select:focus,
    .contact-form textarea:focus {
      outline: none;
      border-color: #c8935f;
    }

    .contact-form textarea {
      height: 150px;
      resize: vertical;
    }

    .contact-form select option {
      background: #0a0a0f;
    }

    .contact-info {
      flex: 1;
      min-width: 250px;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .contact-info .info-item {
      display: flex;
      align-items: center;
      gap: 15px;
    }

    .contact-info i {
      color: #c8935f;
      font-size: 1.5rem;
    }

    .contact-whatsapp .btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: #25D366;
      color: white;
      border-color: #25D366;
    }

    .contact-whatsapp .btn:hover {
      background: #1ebe5a;
    }

    /* Footer */
    footer {
      background: rgba(0, 0, 0, 0.5);
      padding: 40px 0;
      text-align: center;
      border-top: 1px solid rgba(200, 147, 95, 0.2);
    }

    footer p {
      margin-bottom: 10px;
      color: #b0b0b0;
    }

    .social-links {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-bottom: 20px;
    }

    .social-links a {
      font-size: 1.5rem;
      transition: transform 0.3s;
    }

    .social-links a:hover {
      transform: translateY(-3px);
      color: #c8935f;
    }

    /* Toast */
    .toast {
      position: fixed;
      bottom: 30px;
      right: 30px;
      background: #c8935f;
      color: #0a0a0f;
      padding: 15px 25px;
      border-radius: 8px;
      font-weight: 600;
      opacity: 0;
      transition: opacity 0.5s;
      z-index: 2000;
      pointer-events: none;
    }

    .toast.show {
      opacity: 1;
    }

    /* Scroll animation */
    .fade-in {
      opacity: 0;
      transform: translateY(30px);
      transition: all 0.8s;
    }

    .fade-in.visible {
      opacity: 1;
      transform: translateY(0);
    }