:root {
      --bg-dark: #030b17;
      --neon-1: #00b7ff;
      --neon-2: #007bff;
      --accent: #33e1ff;
      --glass: rgba(255, 255, 255, 0.05);
    }

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

    html,
    body {
      height: 100%
    }

    body {
      font-family: Inter, Arial, sans-serif;
      background:
        radial-gradient(800px 600px at 15% 10%, rgba(0, 123, 255, 0.12), transparent),
        radial-gradient(1200px 800px at 85% 90%, rgba(0, 183, 255, 0.08), transparent),
        var(--bg-dark);
      color: #e5f3ff;
      overflow-x: hidden;
    }


    #bg-canvas {
      position: fixed;
      inset: 0;
      z-index: 0;
      pointer-events: none
    }

    header {
      position: fixed;
      top: 18px;
      left: 24px;
      right: 24px;
      z-index: 40;
      display: flex;
      align-items: center;
      justify-content: space-between
    }

    .logo-row {
      display: flex;
      align-items: center;
      gap: 12px
    }

    .logo {
      width: 70px;
      height: 70px;
      border-radius: 12px;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--neon-2), var(--neon-1));
      box-shadow: 0 6px 30px rgba(0, 183, 255, 0.18);
    }

    .logo img {
      width: 68px;
      height: 68px;
      object-fit: contain
    }

    nav {
      display: flex;
      align-items: center;
      gap: 18px
    }

    .nav-links {
      display: flex;
      gap: 18px;
      list-style: none
    }

    .nav-links a {
      color: rgba(255, 255, 255, 0.9);
      text-decoration: none;
      font-weight: 600;
      padding: 8px 12px;
      border-radius: 8px;
      transition: all 0.3s ease;
    }

    .nav-links a:hover {
      background: rgba(255, 255, 255, 0.1);
    }

    .language-selector {
      position: relative;
      display: flex;
      align-items: center;
      gap: 8px;
      cursor: pointer;
      padding: 8px 12px;
      border-radius: 8px;
      transition: all 0.3s ease;
      background: rgba(255, 255, 255, 0.05);
    }

    .language-selector:hover {
      background: rgba(255, 255, 255, 0.1);
    }

    .language-selector .current-lang {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 600;
    }

    .language-selector .lang-flag {
      width: 20px;
      height: 15px;
      border-radius: 2px;
      overflow: hidden;
      box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
    }

    .language-selector .lang-dropdown {
      position: absolute;
      top: 100%;
      right: 0;
      margin-top: 5px;
      background: var(--bg-dark);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 8px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
      min-width: 140px;
      opacity: 0;
      visibility: hidden;
      transform: translateY(-10px);
      transition: all 0.3s ease;
      z-index: 100;
    }

    .language-selector:hover .lang-dropdown {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .lang-option {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 15px;
      color: rgba(255, 255, 255, 0.9);
      text-decoration: none;
      transition: all 0.2s ease;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .lang-option:last-child {
      border-bottom: none;
    }

    .lang-option:hover {
      background: rgba(255, 255, 255, 0.08);
      color: var(--accent);
    }

    .lang-option.active {
      color: var(--neon-1);
      background: rgba(0, 183, 255, 0.1);
    }

    .hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 120px 28px 80px;
      position: relative;
      z-index: 10
    }

    .hero-panel {
      width: 100%;
      max-width: 1200px;
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.02));
      border: 1px solid rgba(255, 255, 255, 0.04);
      border-radius: 18px;
      padding: 48px;
      box-shadow: 0 30px 80px rgba(0, 0, 0, 0.7);
      display: grid;
      grid-template-columns: 1fr 420px;
      gap: 30px;
      align-items: center
    }

    .kicker {
      font-family: Orbitron, Arial;
      font-size: 12px;
      color: var(--accent);
      letter-spacing: 2px;
      text-transform: uppercase;
      margin-bottom: 12px
    }

    .hero-title {
      font-family: Orbitron;
      font-size: 46px;
      line-height: 1.05;
      color: #eaf6ff;
      text-shadow: 0 0 30px rgba(0, 123, 255, 0.38)
    }

    .hero-sub {
      margin-top: 14px;
      color: rgba(210, 230, 255, 0.9);
      font-size: 16px
    }

    .cta-row {
      margin-top: 24px;
      display: flex;
      gap: 12px
    }

    .cta {
      padding: 14px 22px;
      border-radius: 12px;
      background: linear-gradient(90deg, var(--neon-1), var(--neon-2));
      color: #001;
      font-weight: 700;
      border: none;
      cursor: pointer;
      box-shadow: 0 0 30px rgba(0, 123, 255, 0.25);
      transition: all 0.3s ease;
    }

    .cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 40px rgba(0, 123, 255, 0.4);
    }

    .cta.secondary {
      background: transparent;
      color: #dbeafe;
      border: 1px solid rgba(255, 255, 255, 0.08)
    }

    .cta.secondary:hover {
      background: rgba(255, 255, 255, 0.1);
    }

    .holo {
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
      border-radius: 14px;
      padding: 12px 18px;
      border: 1px solid rgba(255, 255, 255, 0.05);
      backdrop-filter: blur(8px);
      position: relative;
      overflow: hidden
    }

    .holo canvas {
      width: 100%;
      height: 320px;
      border-radius: 12px;
      display: block;
      background: transparent;
    }

    section {
      padding: 80px 48px
    }

    .section-title {
      font-family: Orbitron;
      color: var(--neon-1);
      font-size: 28px;
      margin-bottom: 20px
    }

    footer {
      padding: 26px;
      text-align: center;
      color: rgba(200, 210, 230, 0.6)
    }

    .contact-link {
      text-decoration: none;
      transition: all 0.3s ease;
    }

    .contact-link:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(0, 123, 255, 0.2);
    }

    .mobile-menu-toggle {
      display: none;
      font-size: 20px;
      color: white;
      cursor: pointer;
      padding: 8px;
      z-index: 50;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 6px;
      transition: all 0.3s ease;
    }

    .mobile-menu-toggle:hover {
      background: rgba(255, 255, 255, 0.2);
    }

    @media (max-width: 768px) {

      header {
        left: 12px;
        right: 12px;
        top: 12px;
      }

      .logo {
        width: 50px;
        height: 50px;
      }

      .logo img {
        width: 48px;
        height: 48px;
      }

      .logo-row div:first-child+div {
        font-size: 14px;
      }

      .logo-row div:first-child+div div:last-child {
        font-size: 10px;
      }

      .mobile-menu-toggle {
        display: block;
      }

      nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-dark);
        border-right: 1px solid rgba(255, 255, 255, 0.1);
        padding: 80px 20px 20px;
        transition: left 0.3s ease;
        backdrop-filter: blur(10px);
        z-index: 45;
        flex-direction: column;
        justify-content: flex-start;
      }

      nav.active {
        left: 0;
      }

      .nav-links {
        flex-direction: column;
        gap: 0;
        width: 100%;
      }

      .nav-links li {
        width: 100%;
      }

      .nav-links a {
        padding: 16px 20px;
        display: block;
        text-align: left;
        border-radius: 8px;
        margin-bottom: 8px;
        background: rgba(255, 255, 255, 0.05);
      }

      .nav-links a:hover {
        background: rgba(255, 255, 255, 0.1);
      }

      .language-selector {
        margin-top: 20px;
        width: 100%;
        justify-content: center;
      }

      .language-selector .lang-dropdown {
        width: 100%;
        right: auto;
        left: 0;
      }

      .nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
        z-index: 44;
      }

      .nav-overlay.active {
        display: block;
      }

      .hero {
        padding: 100px 16px 40px;
        min-height: 90vh;
      }

      .hero-panel {
        grid-template-columns: 1fr;
        padding: 24px;
        gap: 20px;
      }


      .holo {
        order: 2;
      }

      .hero-panel>div:first-child {
        order: 1;
      }

      .hero-title {
        font-size: 32px;
        line-height: 1.1;
      }

      .hero-sub {
        font-size: 14px;
        margin-top: 12px;
      }

      .cta-row {
        flex-direction: column;
        gap: 8px;
        margin-top: 20px;
      }

      .cta {
        padding: 12px 16px;
        font-size: 14px;
        text-align: center;
        min-height: 44px;
      }

      .holo {
        order: -1;
        padding: 10px;
      }

      .holo canvas {
        height: 240px;
      }

      .holo>div {
        justify-content: center;
        flex-wrap: wrap;
      }

      .holo>div>div {
        font-size: 11px;
        padding: 6px 10px;
      }

      section {
        padding: 50px 16px;
      }

      .section-title {
        font-size: 22px;
        text-align: center;
        margin-bottom: 24px;
      }

      #about>div {
        flex-direction: column;
        gap: 20px;
      }

      #about>div>div {
        min-width: 100%;
      }

      .services-grid {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .service-card {
        padding: 18px;
        text-align: center;
      }

      .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .portfolio-item img {
        height: 160px;
      }

      .portfolio-item>div {
        left: 10px;
        bottom: 8px;
        padding: 6px 10px;
        font-size: 13px;
      }

      .contact-icon-grid {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .contact-card {
        padding: 20px;
      }

      .contact-card i {
        font-size: 24px;
      }

      .contact-card div {
        font-size: 14px;
        margin-top: 8px;
      }

      footer {
        padding: 20px 16px;
        font-size: 12px;
      }
    }

    @media (max-width: 480px) {
      .hero-title {
        font-size: 26px;
      }

      .hero-panel {
        grid-template-columns: 1fr;
        padding: 20px;
        gap: 15px;
      }

      .holo {
        order: 2;
      }

      .kicker {
        font-size: 10px;
        text-align: center;
      }

      section {
        padding: 40px 12px;
      }

      .holo canvas {
        height: 200px;
      }

      nav {
        width: 100%;
        left: -100%;
      }

      nav.active {
        left: 0;
      }
    }

    @media (max-height: 500px) and (orientation: landscape) {
      .hero {
        min-height: 120vh;
        padding-top: 80px;
      }

      .hero-panel {
        grid-template-columns: 1fr 1fr;
      }

      .holo {
        order: unset;
      }
    }


    @media (hover: none) and (pointer: coarse) {
      .cta {
        min-height: 44px;
      }

      .nav-links a {
        padding: 16px 20px;
      }


      .language-selector .lang-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        margin-top: 10px;
        display: none;
      }

      .language-selector.active .lang-dropdown {
        display: block;
      }
    }

    @media (max-width: 980px) and (min-width: 769px) {
      .hero-panel {
        grid-template-columns: 1fr 1fr;
        gap: 25px;
      }

      .holo {
        order: 2;
      }

      .hero-panel>div:first-child {
        order: 1;
      }
    }

    @media(max-width:640px) {
      .hero-title {
        font-size: 28px
      }
    }