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

    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background: #04050a;
      color: #f5f5f5;
      line-height: 1.6;
      scroll-behavior: smooth;
    }

    header {
      position: sticky;
      top: 0;
      z-index: 10;
      background: rgba(4, 5, 10, 0.96);
      border-bottom: 1px solid #22263a;
      backdrop-filter: blur(10px);
    }

    .nav-inner {
      max-width: 960px;
      margin: 0 auto;
      padding: 12px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      font-size: 13px;
      color: #e9f5ff;
    }

    .logo-mark {
      width: 36px;
      height: 36px;
      border-radius: 11px;
      background: linear-gradient(135deg, #42e8ff, #8b5dff);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 17px;
      color: #05060a;
      box-shadow: 0 0 0 1px #42e8ff66, 0 10px 22px rgba(0,0,0,.75);
    }

    nav a {
      margin-left: 24px;
      font-size: 13px;
      text-decoration: none;
      text-transform: uppercase;
      letter-spacing: 0.14em;
      color: #e3e5ff;
      opacity: 0.8;
      transition: opacity .18s ease;
      white-space: nowrap;
    }
    nav a:hover { opacity: 1; }

    main {
      max-width: 720px;
      margin: 0 auto;
      padding: 40px 20px 60px;
    }

    section {
      padding: 40px 0;
      border-bottom: 1px solid #141729;
    }

    .hero {
      text-align: center;
      padding-top: 32px;
    }

    .hero h1 {
      font-size: 40px;
      margin-bottom: 18px;
      color: #f5f0ff;
    }

    .hero p {
      font-size: 18px;
      max-width: 560px;
      margin: 0 auto;
      color: #c1c7e6;
    }

    .tagline {
      margin-top: 10px;
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.18em;
      color: #42e8ff;
    }

    h2 {
      font-size: 26px;
      margin-bottom: 16px;
      text-align: center;
      color: #f5f0ff;
    }

    .section-text {
      font-size: 16px;
      color: #ced3f0;
      text-align: center;
      max-width: 640px;
      margin: 0 auto;
    }

    .contact-block {
      text-align: center;
      font-size: 15px;
      color: #ced3f0;
    }
    .contact-block a {
      color: #42e8ff;
      text-decoration: none;
      border-bottom: 1px dashed #42e8ff;
    }
    .contact-block a:hover {
      opacity: 0.85;
    }

    footer {
      text-align: center;
      font-size: 12px;
      color: #757ca0;
      padding: 22px;
      border-top: 1px solid #111220;
    }

    @media (max-width: 600px) {
      .nav-inner { flex-direction: column; align-items: flex-start; gap: 8px; }
      nav { width: 100%; overflow-x: auto; padding-bottom: 4px; }
      nav a { margin-left: 0; margin-right: 18px; }
      .hero h1 { font-size: 32px; }
    }