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

    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: #ffffff;
      color: #1e293b;
      line-height: 1.6;
    }

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

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* ---- Хедер ---- */
    header {
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(6px);
      box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
      position: fixed;
      width: 100%;
      top: 0;
      z-index: 1000;
      padding: 16px 0;
      transition: box-shadow 0.3s;
    }

    header .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .logo {
      font-size: 24px;
      font-weight: 700;
      color: #2563eb;
      letter-spacing: -0.5px;
    }

    .logo span {
      color: #1e293b;
    }

    nav {
      display: flex;
      gap: 28px;
      align-items: center;
    }

    nav a {
      font-size: 15px;
      font-weight: 500;
      color: #475569;
      transition: color 0.2s;
      position: relative;
    }

    nav a:hover {
      color: #2563eb;
    }

    nav a::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 0;
      height: 2px;
      background: #2563eb;
      transition: width 0.3s;
    }

    nav a:hover::after {
      width: 100%;
    }

    .btn {
      display: inline-block;
      padding: 10px 28px;
      border-radius: 40px;
      font-weight: 600;
      font-size: 15px;
      background: #2563eb;
      color: #fff;
      border: none;
      cursor: pointer;
      transition: background 0.2s, transform 0.1s;
      box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
    }

    .btn:hover {
      background: #1d4ed8;
      transform: translateY(-2px);
    }

    /* ---- Hero ---- */
    .hero {
      padding: 140px 0 80px;
      background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
      border-bottom: 1px solid #e2e8f0;
    }

    .hero .container {
      display: flex;
      align-items: center;
      gap: 60px;
      flex-wrap: wrap;
    }

    .hero-content {
      flex: 1 1 500px;
    }

    .hero-content h1 {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.2;
      color: #0f172a;
      margin-bottom: 16px;
    }

    .hero-content h1 span {
      color: #2563eb;
    }

    .hero-content p {
      font-size: 18px;
      color: #475569;
      margin-bottom: 28px;
      max-width: 500px;
    }

    .hero-buttons {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .btn-outline {
      background: transparent;
      color: #2563eb;
      border: 2px solid #2563eb;
      box-shadow: none;
    }

    .btn-outline:hover {
      background: #2563eb;
      color: #fff;
    }

    .hero-image {
      flex: 1 1 400px;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .hero-image svg {
      max-width: 100%;
      height: auto;
    }

    /* ---- Секции общие ---- */
    section {
      padding: 80px 0;
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      text-align: center;
      margin-bottom: 12px;
      color: #0f172a;
    }

    .section-subtitle {
      text-align: center;
      color: #64748b;
      font-size: 18px;
      max-width: 600px;
      margin: 0 auto 48px;
    }

    /* ---- Особенности ---- */
    .features {
      background: #f8fafc;
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 30px;
    }

    .feature-card {
      background: #fff;
      padding: 32px 24px;
      border-radius: 20px;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
      text-align: center;
      transition: transform 0.3s, box-shadow 0.3s;
      border: 1px solid #e9edf2;
    }

    .feature-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.06);
    }

    .feature-icon {
      font-size: 44px;
      margin-bottom: 16px;
      display: block;
    }

    .feature-card h3 {
      font-size: 20px;
      margin-bottom: 8px;
    }

    .feature-card p {
      color: #64748b;
      font-size: 15px;
    }

    /* ---- О нас / Кейсы ---- */
    .about {
      background: #fff;
    }

    .about-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 40px;
      align-items: center;
    }

    .about-text {
      flex: 1 1 400px;
    }

    .about-text h2 {
      font-size: 28px;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .about-text p {
      color: #475569;
      margin-bottom: 16px;
    }

    .about-stats {
      display: flex;
      gap: 40px;
      margin-top: 24px;
    }

    .stat-item {
      text-align: center;
    }

    .stat-number {
      font-size: 32px;
      font-weight: 800;
      color: #2563eb;
    }

    .stat-label {
      color: #64748b;
      font-size: 14px;
    }

    .about-image {
      flex: 1 1 300px;
      text-align: center;
    }

    .about-image svg {
      max-width: 100%;
      height: auto;
    }

    /* ---- Контакты ---- */
    .contact {
      background: #f8fafc;
    }

    .contact-wrapper {
      display: flex;
      flex-wrap: wrap;
      gap: 40px;
      justify-content: center;
    }

    .contact-info {
      flex: 1 1 300px;
      background: #fff;
      padding: 32px;
      border-radius: 20px;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
      border: 1px solid #e9edf2;
    }

    .contact-info h3 {
      font-size: 20px;
      margin-bottom: 20px;
    }

    .contact-info p {
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
      color: #475569;
    }

    .contact-info .icon {
      font-size: 20px;
      width: 28px;
      text-align: center;
    }

    .contact-form {
      flex: 1 1 400px;
      background: #fff;
      padding: 32px;
      border-radius: 20px;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
      border: 1px solid #e9edf2;
    }

    .contact-form input,
    .contact-form textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #d1d9e6;
      border-radius: 12px;
      font-size: 15px;
      margin-bottom: 16px;
      font-family: inherit;
      transition: border 0.2s;
      background: #fafcfd;
    }

    .contact-form input:focus,
    .contact-form textarea:focus {
      outline: none;
      border-color: #2563eb;
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    }

    .contact-form textarea {
      min-height: 120px;
      resize: vertical;
    }

    .contact-form .btn {
      width: 100%;
      text-align: center;
    }

    /* ---- Футер ---- */
    footer {
      background: #0f172a;
      color: #cbd5e1;
      padding: 40px 0 20px;
      text-align: center;
    }

    footer .container {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    footer .footer-links {
      display: flex;
      justify-content: center;
      gap: 28px;
      flex-wrap: wrap;
    }

    footer a {
      color: #94a3b8;
      transition: color 0.2s;
    }

    footer a:hover {
      color: #e2e8f0;
    }

    footer .copy {
      font-size: 14px;
      color: #64748b;
      margin-top: 8px;
    }

    /* ---- Адаптивность ---- */
    @media (max-width: 768px) {
      header .container {
        flex-wrap: wrap;
        gap: 12px;
      }

      nav {
        gap: 16px;
        flex-wrap: wrap;
        justify-content: center;
      }

      .hero {
        padding: 120px 0 60px;
      }

      .hero-content h1 {
        font-size: 32px;
      }

      .section-title {
        font-size: 26px;
      }

      .about-stats {
        gap: 20px;
        flex-wrap: wrap;
      }

      .contact-wrapper {
        flex-direction: column;
      }

      .hero-image {
        order: -1;
      }
    }

    @media (max-width: 480px) {
      .hero-content h1 {
        font-size: 28px;
      }

      .btn {
        padding: 10px 20px;
        font-size: 14px;
      }

      .feature-card {
        padding: 24px 16px;
      }
    }