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

    .visually-hidden {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
      color: #1a1a1a;
      background: #ffffff;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    header {
      padding: 1.5rem 3rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .logo {
      font-size: 1.25rem;
      font-weight: 700;
      letter-spacing: -0.03em;
      color: #111;
    }

    header nav {
      display: flex;
      align-items: center;
      gap: 1.5rem;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 1.5rem;
      padding-right: 1.5rem;
      border-right: 1.5px solid #e0e0e0;
    }

    .nav-links a {
      font-size: 0.875rem;
      font-weight: 500;
      color: #555;
      text-decoration: none;
      transition: color 0.2s;
    }

    .nav-links a:hover {
      color: #111;
    }

    .nav-contact {
      font-size: 0.875rem;
      font-weight: 500;
      color: #111;
      text-decoration: none;
      padding: 0.625rem 1.25rem;
      border: 1.5px solid #e0e0e0;
      border-radius: 100px;
      transition: all 0.2s;
    }

    .nav-contact:hover {
      border-color: #111;
      background: #111;
      color: #fff;
    }

    main {
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 2rem 2rem 4rem;
    }

    .hero {
      max-width: 760px;
      text-align: center;
    }

    .badge {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: #0066ff;
      background: #f0f4ff;
      padding: 0.375rem 1rem;
      border-radius: 100px;
      margin-bottom: 2rem;
    }

    .hero h1 {
      font-size: clamp(2.5rem, 6vw, 3.75rem);
      font-weight: 700;
      letter-spacing: -0.035em;
      line-height: 1.08;
      color: #111;
    }

    .hero .subtitle {
      margin-top: 1.5rem;
      font-size: 1.1875rem;
      line-height: 1.7;
      color: #666;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero .cta {
      margin-top: 2.5rem;
      display: flex;
      gap: 1rem;
      justify-content: center;
      flex-wrap: wrap;
    }

    .btn-primary {
      display: inline-block;
      padding: 0.875rem 2rem;
      background: #111;
      color: #fff;
      text-decoration: none;
      font-size: 0.9375rem;
      font-weight: 500;
      line-height: 1.5rem;
      border-radius: 100px;
      transition: all 0.2s;
    }

    .btn-primary:hover {
      background: #333;
      transform: translateY(-1px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }

    .btn-secondary {
      display: inline-block;
      padding: 0.875rem 2rem;
      background: #ebebeb;
      color: #111;
      text-decoration: none;
      font-size: 0.9375rem;
      font-weight: 500;
      border-radius: 100px;
      border: 2px solid #aaa;
      transition: all 0.2s;
    }

    .btn-secondary:hover {
      background: #d4d4d4;
      transform: translateY(-1px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }

    .divider {
      width: 48px;
      height: 1.5px;
      background: #e0e0e0;
      margin: 5rem auto 0;
      border: none;
    }

    .features {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 3rem;
      margin-top: 5rem;
      max-width: 900px;
      text-align: left;
    }

    .feature {
      position: relative;
    }

    .feature-icon {
      width: 40px;
      height: 40px;
      background: #f5f5f5;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1.25rem;
      font-size: 1.125rem;
    }

    .feature h3 {
      font-size: 1rem;
      font-weight: 600;
      color: #111;
      margin-bottom: 0.625rem;
      letter-spacing: -0.01em;
    }

    .feature p {
      font-size: 0.9375rem;
      line-height: 1.6;
      color: #777;
      margin-top: 0;
    }

    .why {
      max-width: 900px;
      margin-top: 5rem;
      text-align: center;
    }

    .why h2 {
      font-size: clamp(1.75rem, 4vw, 2.25rem);
      font-weight: 700;
      letter-spacing: -0.03em;
      line-height: 1.15;
      color: #111;
    }

    .why-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 2rem;
      margin-top: 2.5rem;
      padding: 2.5rem;
      background: #fafafa;
      border: 1px solid #f0f0f0;
      border-radius: 16px;
      text-align: left;
    }

    .why-grid p {
      font-size: 0.9375rem;
      line-height: 1.7;
      color: #666;
    }

    .why a {
      color: #0066ff;
      text-decoration: none;
    }

    .why a:hover {
      text-decoration: underline;
    }

    footer {
      padding: 2.5rem 3rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.8125rem;
      color: #aaa;
      border-top: 1px solid #f0f0f0;
    }

    footer a {
      color: #999;
      text-decoration: none;
      transition: color 0.2s;
    }

    footer a:hover {
      color: #555;
    }

    .modal-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.4);
      z-index: 100;
      align-items: center;
      justify-content: center;
      padding: 1.5rem;
    }

    .modal-overlay.open {
      display: flex;
    }

    .modal {
      background: #fff;
      border-radius: 16px;
      padding: 2.5rem;
      max-width: 480px;
      width: 100%;
      position: relative;
      box-shadow: 0 24px 48px rgba(0, 0, 0, 0.12);
    }

    .modal-close {
      position: absolute;
      top: 1rem;
      right: 1rem;
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: #999;
      line-height: 1;
      padding: 0.25rem;
      transition: color 0.2s;
    }

    .modal-close:hover {
      color: #111;
    }

    .contact-form {
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .contact-form h2 {
      font-size: 1.5rem;
      font-weight: 700;
      letter-spacing: -0.02em;
      color: #111;
      text-align: center;
      margin-bottom: 0.5rem;
    }

    .contact-form input,
    .contact-form textarea {
      font-family: inherit;
      font-size: 0.9375rem;
      padding: 0.875rem 1rem;
      border: 1.5px solid #e0e0e0;
      border-radius: 10px;
      outline: none;
      transition: border-color 0.2s;
      resize: vertical;
    }

    .contact-form input:focus,
    .contact-form textarea:focus {
      border-color: #111;
    }

    .contact-form button[type="submit"] {
      cursor: pointer;
      border: none;
      font-family: inherit;
      align-self: center;
    }

    .contact-form button:disabled {
      opacity: 0.6;
      cursor: not-allowed;
    }

    .form-status {
      text-align: center;
      font-size: 0.875rem;
    }

    .form-status.success {
      color: #16a34a;
    }

    .form-status.error {
      color: #dc2626;
    }

    @media (max-width: 720px) {
      header {
        padding: 1.5rem;
        flex-wrap: wrap;
        row-gap: 1rem;
      }

      .nav-links {
        gap: 1rem;
        padding-right: 1rem;
      }

      main {
        padding: 2rem 1.5rem 3rem;
      }

      .features {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-top: 3.5rem;
      }

      .why {
        margin-top: 3.5rem;
      }

      .why-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1.75rem;
      }

      footer {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
        padding: 2rem 1.5rem;
      }
    }