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

    :root {
      --primary: #00bcd4;
      --secondary: #1a1a2e;
      --background: #f5f5f5;
      --foreground: #333333;
      --card: #ffffff;
      --muted: #666666;
      --border: #e0e0e0;
    }

    body {
      font-family: 'Poppins', sans-serif;
      background-color: var(--background);
      color: var(--foreground);
      line-height: 1.6;
    }

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

    a {
      text-decoration: none;
      color: inherit;
    }

    ul {
      list-style: none;
    }

    img {
      max-width: 100%;
      height: auto;
    }

    /* Sidebar */
    .sidebar {
      position: fixed;
      left: 0;
      top: 0;
      width: 280px;
      height: 100vh;
      background: var(--secondary);
      color: #fff;
      display: flex;
      flex-direction: column;
      z-index: 1000;
      overflow-y: auto;
    }

    .sidebar-header {
      padding: 40px 30px;
      text-align: center;
      border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .prof-img {
      width: 150px;
      height: 150px;
      border-radius: 50%;
      border: 4px solid var(--primary);
      margin-bottom: 20px;
      object-fit: cover;
    }

    .sidebar-header h2 {
      font-size: 1.5rem;
      margin-bottom: 5px;
    }

    .sidebar-header p {
      color: var(--primary);
      font-size: 0.9rem;
    }

    .sidebar-nav {
      flex: 1;
      padding: 30px 0;
    }

    .sidebar-nav ul li {
      border-bottom: 1px solid rgba(255,255,255,0.05);
    }

    .sidebar-nav ul li a {
      display: block;
      padding: 15px 30px;
      color: #ccc;
      transition: all 0.3s ease;
      font-size: 0.95rem;
    }

    .sidebar-nav ul li a:hover,
    .sidebar-nav ul li a.active {
      color: var(--primary);
      background: rgba(0,188,212,0.1);
      padding-left: 40px;
    }

    .sidebar-nav ul li a i {
      margin-right: 10px;
      width: 20px;
    }

    .sidebar-footer {
      padding: 30px;
      border-top: 1px solid rgba(255,255,255,0.1);
    }

    .social-links {
      display: flex;
      justify-content: center;
      gap: 15px;
    }

    .social-links a {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: rgba(255,255,255,0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      transition: all 0.3s ease;
    }

    .social-links a:hover {
      background: var(--primary);
      transform: translateY(-3px);
    }

    /* Main Content */
    .main-contente {
      margin-left: 280px;
    }

    /* Section Styles */
    section {
      padding: 80px 60px;
    }

    .section-title {
      font-size: 2.5rem;
      margin-bottom: 50px;
      position: relative;
      display: inline-block;
    }

    .section-title::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -10px;
      width: 60px;
      height: 3px;
      background: var(--primary);
    }

    /* Hero Section */
    .hero {
      height: 100vh;
      background: linear-gradient(rgba(26, 26, 46, 0.9), rgba(26, 26, 46, 0.9)), 
                  url('https://images.unsplash.com/photo-1517694712202-14dd9538aa97?w=1920') center/cover;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: #fff;
    }

    .hero-content h1 {
      font-size: 4rem;
      margin-bottom: 20px;
    }

    .hero-content h1 span {
      color: var(--primary);
    }

    .hero-subtitle {
      font-size: 1.5rem;
      margin-bottom: 30px;
      color: #ccc;
    }

    .typed-text {
      color: var(--primary);
    }

    .btn {
      display: inline-block;
      padding: 15px 40px;
      border-radius: 30px;
      font-weight: 600;
      transition: all 0.3s ease;
      cursor: pointer;
      border: none;
      font-size: 1rem;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
    }

    .btn-primary:hover {
      background: #00a5bb;
      transform: translateY(-3px);
      box-shadow: 0 10px 30px rgba(0,188,212,0.3);
    }

    .btn-outline {
      border: 2px solid var(--primary);
      color: var(--primary);
      background: transparent;
      margin-left: 15px;
    }

    .btn-outline:hover {
      background: var(--primary);
      color: #fff;
    }

    /* About Section */
    .about {
      background: var(--card);
    }

    .about-content {
      display: grid;
      grid-template-columns: 1fr;
      gap: 60px;
      align-items: center;
    }

    .about-image img {
      border-radius: 10px;
      box-shadow: 0 20px 50px rgba(0,0,0,0.1);
    }

    .about-text h3 {
      font-size: 1.8rem;
      margin-bottom: 20px;
    }

    .about-text p {
      color: var(--muted);
      margin-bottom: 30px;
    }

    .info-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 15px;
      margin-bottom: 30px;
    }

    .info-list li {
      font-size: 0.95rem;
    }

    .info-list li strong {
      color: var(--foreground);
      margin-right: 5px;
    }

    /* Education Section */
    .education {
      background: var(--background);
    }

    .education-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 60px;
    }

    .timeline {
      position: relative;
      padding-left: 30px;
    }

    .timeline::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0;
      height: 100%;
      width: 2px;
      background: var(--border);
    }

    .timeline-item {
      position: relative;
      padding-bottom: 30px;
    }

    .timeline-item::before {
      content: '';
      position: absolute;
      left: -34px;
      top: 5px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--primary);
      border: 2px solid var(--card);
    }

    .timeline-item h4 {
      font-size: 1.2rem;
      margin-bottom: 5px;
    }

    .timeline-item .date {
      color: var(--primary);
      font-size: 0.85rem;
      margin-bottom: 10px;
    }

    .timeline-item p {
      color: var(--muted);
      font-size: 0.9rem;
    }

    .skills h3 {
      font-size: 1.5rem;
      margin-bottom: 30px;
    }

    .skill-item {
      margin-bottom: 25px;
    }

    .skill-item .skill-header {
      display: flex;
      justify-content: space-between;
      margin-bottom: 8px;
    }

    .skill-bar {
      height: 8px;
      background: var(--border);
      border-radius: 4px;
      overflow: hidden;
    }

    .skill-progress {
      height: 100%;
      background: var(--primary);
      border-radius: 4px;
      transition: width 1s ease;
    }

    /* Services Section */
    .services {
      background: var(--card);
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .service-card {
      background: var(--background);
      padding: 40px 30px;
      border-radius: 10px;
      text-align: center;
      transition: all 0.3s ease;
    }

    .service-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 20px 50px rgba(0,0,0,0.1);
    }

    .service-card .icon {
      width: 80px;
      height: 80px;
      background: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 25px;
      font-size: 2rem;
      color: #fff;
    }

    .service-card h4 {
      font-size: 1.3rem;
      margin-bottom: 15px;
    }

    .service-card p {
      color: var(--muted);
      font-size: 0.9rem;
    }

    /* Portfolio Section */
    .portfolio {
      background: var(--background);
    }

    .portfolio-filter {
      display: flex;
      justify-content: center;
      gap: 15px;
      margin-bottom: 40px;
      flex-wrap: wrap;
    }

    .filter-btn {
      padding: 10px 25px;
      border: none;
      background: transparent;
      cursor: pointer;
      font-size: 0.95rem;
      color: var(--muted);
      transition: all 0.3s ease;
      border-radius: 25px;
    }

    .filter-btn:hover,
    .filter-btn.active {
      background: var(--primary);
      color: #fff;
    }

    .portfolio-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .portfolio-item {
      position: relative;
      border-radius: 10px;
      overflow: hidden;
      cursor: pointer;
    }

    .portfolio-item img {
      width: 100%;
      height: 250px;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .portfolio-item:hover img {
      transform: scale(1.1);
    }

    .portfolio-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0,188,212,0.9);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      opacity: 0;
      transition: opacity 0.3s ease;
      color: #fff;
      padding: 8px;
    }

    .portfolio-item:hover .portfolio-overlay {
      opacity: 1;
    }

    .portfolio-overlay h4 {
      font-size: 1.3rem;
      margin-bottom: 5px;
    }

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

    /* Pricing Section */
    .pricing {
      background: var(--card);
    }

    /* .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    } */

    .pricing-card {
      background: var(--background);
      border-radius: 10px;
      padding: 50px 40px;
      text-align: center;
      transition: all 0.3s ease;
      position: relative;
    }

    .pricing-card.featured {
      background: var(--secondary);
      color: #fff;
      transform: scale(1.05);
    }

    .pricing-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 20px 50px rgba(0,0,0,0.15);
    }

    .pricing-card.featured:hover {
      transform: scale(1.05) translateY(-10px);
    }

    .pricing-card h4 {
      font-size: 1rem;
      margin-bottom: 20px;
    }

    .pricing-card .price {
      font-size: 3.5rem;
      font-weight: 700;
      margin-bottom: 30px;
    }

    .pricing-card .price span {
      font-size: 1rem;
      font-weight: 400;
    }

    .pricing-card ul {
      margin-bottom: 30px;
    }

    .pricing-card ul li {
      padding: 12px 0;
      border-bottom: 1px solid rgba(0,0,0,0.05);
    }

    .pricing-card.featured ul li {
      border-color: rgba(255,255,255,0.1);
    }

    /* Testimonials Section */
    .testimonials {
      background: var(--secondary);
      color: #fff;
    }

    .testimonials .section-title {
      color: #fff;
    }

    .testimonial-slider {
      display: flex;
      gap: 30px;
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      padding-bottom: 20px;
    }

    .testimonial-card {
      min-width: 400px;
      background: rgba(255,255,255,0.05);
      padding: 40px;
      border-radius: 10px;
      scroll-snap-align: start;
    }

    .testimonial-card .quote {
      font-size: 1.1rem;
      line-height: 1.8;
      margin-bottom: 30px;
      font-style: italic;
      color: #ccc;
    }

    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 15px;
    }

    .testimonial-author img {
      width: 60px;
      height: 60px;
      border-radius: 50%;
      object-fit: cover;
    }

    .testimonial-author h5 {
      font-size: 1.1rem;
      margin-bottom: 5px;
    }

    .testimonial-author p {
      color: var(--primary);
      font-size: 0.85rem;
    }

    .stars {
      color: #ffc107;
      margin-bottom: 20px;
    }

    /* Blog Section */
    .blog {
      background: var(--background);
    }

    .blog-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    .blog-card {
      background: var(--card);
      border-radius: 10px;
      overflow: hidden;
      transition: all 0.3s ease;
    }

    .blog-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 20px 50px rgba(0,0,0,0.1);
    }

    .blog-card img {
      width: 100%;
      height: 200px;
      object-fit: cover;
    }

    .blog-content {
      padding: 30px;
    }

    .blog-content .date {
      color: var(--primary);
      font-size: 0.85rem;
      margin-bottom: 10px;
    }

    .blog-content h4 {
      font-size: 1.3rem;
      margin-bottom: 15px;
      transition: color 0.3s ease;
    }

    .blog-card:hover .blog-content h4 {
      color: var(--primary);
    }

    .blog-content p {
      color: var(--muted);
      font-size: 0.9rem;
    }

    /* Contact Section */
    .contact {
      background: var(--card);
    }

    .contact-content {
      display: grid;
      grid-template-columns: 1fr 1.5fr;
      gap: 60px;
    }

    .contact-info h3 {
      font-size: 1.8rem;
      margin-bottom: 30px;
    }

    .contact-info-item {
      display: flex;
      gap: 20px;
      margin-bottom: 30px;
    }

    .contact-info-item .icon {
      width: 60px;
      height: 60px;
      background: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.3rem;
      flex-shrink: 0;
    }

    .contact-info-item h5 {
      font-size: 1.1rem;
      margin-bottom: 5px;
    }

    .contact-info-item p {
      color: var(--muted);
    }

    .contact-form input,
    .contact-form textarea {
      width: 100%;
      padding: 15px 20px;
      border: 1px solid var(--border);
      border-radius: 8px;
      margin-bottom: 20px;
      font-family: inherit;
      font-size: 1rem;
      transition: border-color 0.3s ease;
    }

    .contact-form input:focus,
    .contact-form textarea:focus {
      outline: none;
      border-color: var(--primary);
    }

    .contact-form textarea {
      height: 150px;
      resize: none;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    /* Footer */
    footer {
      background: var(--secondary);
      color: #fff;
      text-align: center;
      padding: 30px;
    }

    footer p {
      color: #ccc;
    }

    footer a {
      color: var(--primary);
    }

    /* Mobile Menu Button */
    .mobile-menu-btn {
      display: none;
      position: fixed;
      top: 20px;
      right: 20px;
      width: 50px;
      height: 50px;
      background: var(--secondary);
      border: none;
      border-radius: 50%;
      cursor: pointer;
      z-index: 1001;
      color: #fff;
      font-size: 1.5rem;
    }

    /* Responsive */
    @media (max-width: 1200px) {
      .services-grid,
      .portfolio-grid,
      .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .pricing-card.featured {
        transform: scale(1);
      }
    }

    @media (max-width: 992px) {
      .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
      }

      .sidebar.active {
        transform: translateX(0);
      }

      .main-contente {
        margin-left: 0;
      }

      .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
      }

      section {
        padding: 60px 30px;
      }

      .hero-content h1 {
        font-size: 2.2rem;
      }

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

      .testimonial-card {
        min-width: 300px;
      }
    }

    @media (max-width: 768px) {
      .services-grid,
      .portfolio-grid,
      .pricing-grid,
      .blog-grid {
        grid-template-columns: 1fr;
      }

      .form-row {
        grid-template-columns: 1fr;
      }

      .info-list {
        grid-template-columns: 1fr;
      }

      .hero-content h1 {
        font-size: 2rem;
      }

      .btn {
        display: block;
        margin: 10px 0;
      }

      .btn-outline {
        margin-left: 0;
      }
    }

    /* Scroll animations */
    .fade-in {
      opacity: 0;
      transform: translateY(30px);
      transition: all 0.6s ease;
    }

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

    .brand-container {
        display: flex;
        flex-direction: column; 
        align-items: center;    
        text-align: center;
        margin-bottom: 30px;
    }