:root {
      --bg: #0d1117;
      --surface: #161b22;
      --text: #e6edf3;
      --text-muted: #8b949e;
      --primary: #58a6ff;
      --border: #30363d
    }

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

    body {
      font-family: 'Inter', sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.7;
      font-size: 18px;
      overflow-x: hidden
    }

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

    header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      padding: 1.1rem 0;
      border-bottom: 1px solid transparent;
      transition: all .3s
    }

    header.scrolled {
      background: rgba(13, 17, 23, .98);
      backdrop-filter: blur(12px);
      border-bottom-color: var(--border);
      padding: .9rem 0
    }

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

    .logo {
      font-size: 1.9rem;
      font-weight: 700
    }

    .nav-links {
      display: flex;
      gap: 2.5rem;
      align-items: center;
      font-weight: 500
    }

    .nav-links a {
      color: var(--text-muted);
      transition: color .2s;
      cursor: pointer
    }

    .nav-links a:hover {
      color: var(--text)
    }

    .btn {
      padding: 10px 20px;
      border-radius: 8px;
      font-weight: 500;
      font-size: .95rem;
      transition: all .2s
    }

    .btn-outline {
      border: 1px solid var(--border)
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, .05);
      border-color: var(--primary);
      color: var(--primary)
    }

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

    .btn-primary:hover {
      background: #1f6feb
    }

    .hamburger {
      display: none;
      cursor: pointer;
      font-size: 1.8rem;
      color: var(--text);
      z-index: 1001
    }

    .bar {
      display: block;
      width: 25px;
      height: 3px;
      background: var(--text);
      margin: 5px 0;
      transition: .3s
    }

    .hamburger.active .bar:nth-child(1) {
      transform: translateY(8px) rotate(45deg)
    }

    .hamburger.active .bar:nth-child(2) {
      opacity: 0
    }

    .hamburger.active .bar:nth-child(3) {
      transform: translateY(-8px) rotate(-45deg)
    }

    @media(max-width:768px) {
      .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(13, 17, 23, .98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 3rem;
        transition: right .4s ease;
        font-size: 1.8rem;
        padding: 2rem
      }

      .nav-links.active {
        right: 0
      }

      .hamburger {
        display: block
      }
    }

    .hero {
      padding: 160px 2rem 80px;
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 5rem;
      align-items: center
    }

    .hero h1 {
      font-size: 3.8rem;
      font-weight: 800;
      line-height: 1.1;
      margin-bottom: 1rem
    }

    .hero .highlight {
      color: var(--primary)
    }

    .hero p {
      font-size: 1.3rem;
      color: var(--text-muted);
      margin-bottom: 2rem
    }

    .hero-actions {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap
    }

    .tech-slide {
      padding: 70px 2rem;
      background: var(--surface);
      border-top: 1px solid var(--border);
      overflow: hidden
    }

    .tech-track {
      display: flex;
      gap: 5rem;
      animation: slide 20s linear infinite
    }

    .tech-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 1rem;
      min-width: 130px
    }

    .tech-item i {
      font-size: 3.2rem;
      color: var(--text-muted)
    }

    .tech-item span {
      font-size: 1rem;
      color: var(--text-muted)
    }

    @keyframes slide {
      0% {
        transform: translateX(0)
      }

      100% {
        transform: translateX(-50%)
      }
    }

    section {
      padding: 100px 2rem;
      max-width: 1200px;
      margin: 0 auto
    }

    h2 {
      font-size: 2.5rem;
      font-weight: 700;
      text-align: center;
      margin-bottom: 4rem
    }

    .about-container {
      display: grid;
      grid-template-columns: 260px 1fr;
      gap: 4rem;
      align-items: center;
      max-width: 1000px;
      margin: 0 auto;
      background: var(--surface);
      padding: 3rem;
      border-radius: 20px;
      border: 1px solid var(--border)
    }

    .about-photo {
      width: 260px;
      height: 260px;
      border-radius: 50%;
      overflow: hidden;
      border: 6px solid var(--primary);
      box-shadow: 0 20px 40px rgba(0, 0, 0, .4)
    }

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

    .about-text {
      font-size: 1.15rem;
      line-height: 1.9;
      color: var(--text-muted)
    }

    .skills-section {
      background: var(--surface);
      border-radius: 16px;
      padding: 3rem;
      border: 1px solid var(--border);
      margin-top: 3rem
    }

    .skills-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2.5rem
    }

    .skill-group h3 {
      font-size: 1.3rem;
      margin-bottom: 1.2rem;
      color: var(--primary);
      font-weight: 600
    }

    .skill-items {
      display: grid;
      gap: .8rem
    }

    .skill {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: .7rem 0;
      border-bottom: 1px solid rgba(255, 255, 255, .05)
    }

    .skill:last-child {
      border-bottom: none
    }

    .skill-name {
      font-weight: 500
    }

    .skill-level {
      font-size: .85rem;
      padding: 4px 12px;
      border-radius: 20px;
      background: rgba(88, 166, 255, .15);
      color: var(--primary);
      font-weight: 600
    }

    .projects-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
      gap: 2rem
    }

    .project-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 12px;
      overflow: hidden;
      transition: all .3s;
      cursor: pointer
    }

    .project-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 20px 40px rgba(0, 0, 0, .4)
    }

    .project-img {
      height: 200px;
      overflow: hidden
    }

    .project-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s
    }

    .project-card:hover .project-img img {
      transform: scale(1.08)
    }

    .project-body {
      padding: 1.5rem
    }

    .project-body h3 {
      margin-bottom: .5rem;
      font-size: 1.4rem
    }

    .project-body p {
      color: var(--text-muted);
      font-size: 1rem;
      margin-bottom: 1rem
    }

    .tags {
      display: flex;
      flex-wrap: wrap;
      gap: .5rem
    }

    .tag {
      background: rgba(88, 166, 255, .1);
      color: var(--primary);
      padding: 4px 12px;
      border-radius: 6px;
      font-size: .85rem
    }

    .modal {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, .94);
      backdrop-filter: blur(16px);
      z-index: 2000;
      align-items: center;
      justify-content: center;
      padding: 2rem;
      overflow-y: auto
    }

    .modal.active {
      display: flex
    }

    .modal-content {
      max-width: 800px;
      width: 100%;
      margin: 2rem auto;
      background: var(--surface);
      border-radius: 20px;
      overflow: hidden;
      box-shadow: 0 30px 100px rgba(0, 0, 0, .8);
      border: 1px solid var(--border)
    }

    .modal-close {
      position: absolute;
      top: 1.2rem;
      right: 1.2rem;
      width: 48px;
      height: 48px;
      background: rgba(0, 0, 0, .7);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.8rem;
      color: var(--text-muted);
      cursor: pointer;
      z-index: 10;
      transition: .2s
    }

    .modal-close:hover {
      color: var(--text);
      background: rgba(0, 0, 0, .9)
    }

    .modal-header img {
      width: 100%;
      height: 280px;
      object-fit: cover
    }

    .modal-body {
      padding: 3rem 2.5rem
    }

    .modal-title {
      font-size: 2rem;
      font-weight: 700;
      margin-bottom: .5rem
    }

    .modal-company {
      font-size: 1.2rem;
      color: var(--primary);
      margin-bottom: 1.5rem;
      font-weight: 500
    }

    .modal-desc {
      font-size: 1.1rem;
      line-height: 1.9;
      color: var(--text-muted);
      margin-bottom: 2rem
    }

    .modal-tech-title {
      font-size: 1.35rem;
      margin: 2rem 0 .9rem;
      color: var(--text)
    }

    .modal-tech-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
      gap: .8rem
    }

    .modal-tech-item {
      background: rgba(88, 166, 255, .15);
      color: var(--primary);
      padding: .7rem 1rem;
      border-radius: 10px;
      text-align: center;
      font-weight: 600;
      font-size: .95rem
    }

    .modal-links {
      margin-top: 2.5rem;
      display: flex;
      gap: 1rem;
      flex-wrap: wrap
    }

    .modal-links a {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 13px 26px;
      background: var(--primary);
      color: white;
      border-radius: 12px;
      font-weight: 600;
      transition: .2s
    }

    .modal-links a:hover {
      background: #1f6feb;
      transform: translateY(-2px)
    }

    .contact {
      text-align: center;
      padding: 120px 2rem;
      background: var(--surface);
      border-radius: 16px;
      margin: 2rem auto;
      max-width: 1200px
    }

    .whatsapp {
      display: inline-flex;
      align-items: center;
      gap: 14px;
      font-size: 1.7rem;
      font-weight: 600;
      color: #25d366;
      margin: 2rem 0
    }

    .social-links {
      display: flex;
      justify-content: center;
      gap: 2.5rem;
      margin-top: 3rem
    }

    .social-links a {
      font-size: 2.1rem;
      color: var(--text-muted);
      transition: all .2s
    }

    .social-links a:hover {
      color: var(--primary);
      transform: translateY(-4px)
    }

    footer {
      text-align: center;
      padding: 3rem 2rem;
      color: var(--text-muted);
      font-size: .95rem;
      border-top: 1px solid var(--border)
    }

    @media(max-width:768px) {
      .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 140px
      }

      .hero h1 {
        font-size: 3rem
      }

      .about-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem
      }

      .about-photo {
        width: 200px;
        height: 200px;
        margin: 0 auto
      }

      .modal-content {
        margin: 1rem auto;
        max-width: 95%
      }

      .modal-header img {
        height: 200px
      }

      .modal-body {
        padding: 2rem
      }

      .modal-title {
        font-size: 1.8rem
      }

      .modal-tech-grid {
        grid-template-columns: repeat(3, 1fr)
      }
    }

    @media(max-width:480px) {
      .hero h1 {
        font-size: 2.6rem
      }

      .modal-header img {
        height: 170px
      }

      .modal-body {
        padding: 1.8rem
      }

      .modal-title {
        font-size: 1.7rem
      }

      .modal-tech-grid {
        grid-template-columns: repeat(2, 1fr)
      }
    }