/* Общие стили */
  :root {
      --primary-color: #2c3e50;
      --secondary-color: #3498db;
      --accent-color: #e74c3c;
      --light-color: #ecf0f1;
      --dark-color: #2c3e50;
      --text-color: #333;
      --transition: all 0.3s ease;
  }

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

  body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: var(--text-color);
      overflow-x: hidden;
  }

  a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
  }

  ul {
      list-style: none;
  }

  img {
      max-width: 100%;
      height: auto;
  }

  .container {
      width: 90%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
  }

  .btn {
      display: inline-block;
      padding: 12px 30px;
      background-color: var(--secondary-color);
      color: white;
      border-radius: 30px;
      font-weight: bold;
      text-transform: uppercase;
      letter-spacing: 1px;
      transition: var(--transition);
      border: none;
      cursor: pointer;
      font-size: 16px;
  }

  .btn:hover {
      background-color: #2980b9;
      transform: translateY(-3px);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  }

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

  .btn-accent:hover {
      background-color: #c0392b;
  }

  .section {
      padding: 80px 0;
  }

  .section-title {
      text-align: center;
      margin-bottom: 50px;
      font-size: 2.5rem;
      color: var(--primary-color);
      position: relative;
  }

  .section-title::after {
      content: '';
      display: block;
      width: 80px;
      height: 4px;
      background-color: var(--secondary-color);
      margin: 15px auto;
  }

  /* Шапка */
  header {
      background-color: white;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
      position: fixed;
      width: 100%;
      top: 0;
      z-index: 1000;
      transition: var(--transition);
  }

  .header-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 0;
  }

  .logo {
      font-size: 1.8rem;
      font-weight: bold;
      color: var(--primary-color);
      display: flex;
      align-items: center;
  }

  .logo i {
      margin-right: 10px;
      color: var(--secondary-color);
  }

  .nav-links {
      display: flex;
  }

  .nav-links li {
      margin-left: 30px;
  }

  .nav-links a {
      font-weight: 600;
      position: relative;
      padding: 5px 0;
  }

  .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--secondary-color);
      transition: var(--transition);
  }

  .nav-links a:hover::after {
      width: 100%;
  }

  .hamburger {
      display: none;
      cursor: pointer;
      font-size: 1.5rem;
      color: var(--primary-color);
  }

  /* Герой-секция */
  .hero {
      height: 100vh;
      background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://images.unsplash.com/photo-1558002038-1055907df827?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') no-repeat center center/cover;
      color: white;
      display: flex;
      align-items: center;
      text-align: center;
      padding-top: 80px;
  }

  .hero-content {
      max-width: 800px;
      margin: 0 auto;
  }

  .hero h1 {
      font-size: 3.5rem;
      margin-bottom: 20px;
      animation: fadeInDown 1s ease;
  }

  .hero p {
      font-size: 1.2rem;
      margin-bottom: 30px;
      animation: fadeInUp 1s ease;
  }

  .hero-btns {
      display: flex;
      justify-content: center;
      gap: 20px;
      animation: fadeIn 1.5s ease;
  }

  .hero-btns .btn {
      animation: pulse 2s infinite;
  }

  /* О нас */
  .about {
      background-color: var(--light-color);
  }

  .about-content {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
  }

  .about-text h2 {
      font-size: 2rem;
      margin-bottom: 20px;
      color: var(--primary-color);
  }

  .about-text p {
      margin-bottom: 15px;
  }

  .about-features {
      margin-top: 30px;
  }

  .feature {
      display: flex;
      align-items: flex-start;
      margin-bottom: 20px;
  }

  .feature i {
      font-size: 1.5rem;
      color: var(--secondary-color);
      margin-right: 15px;
      margin-top: 5px;
  }

  .about-image {
      position: relative;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  }

  .about-image img {
      display: block;
      transition: var(--transition);
  }

  .about-image:hover img {
      transform: scale(1.05);
  }

  /* Услуги */
  .services {
      background-color: white;
  }

  .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
  }

  .service-card {
      background-color: white;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      transition: var(--transition);
      text-align: center;
      padding: 30px;
  }

  .service-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
  }

  .service-card i {
      font-size: 3rem;
      color: var(--secondary-color);
      margin-bottom: 20px;
  }

  .service-card h3 {
      font-size: 1.5rem;
      margin-bottom: 15px;
      color: var(--primary-color);
  }

  /* Как это работает */
  .how-it-works {
      background: url('https://images.unsplash.com/photo-1551288049-bebda4e38f71?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') no-repeat center center/cover;
      position: relative;
      color: white;
  }

  .how-it-works::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 68, 153, 0.85);
  }

  .how-it-works .container {
      position: relative;
      z-index: 1;
  }

  .how-it-works .section-title {
      color: white;
  }

  .how-it-works .section-title::after {
      background: white;
  }

  .steps {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 2rem;
  }

  .step {
      flex: 1;
      min-width: 250px;
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(10px);
      padding: 2rem;
      border-radius: 15px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      transition: all 0.3s;
  }

  .step:hover {
      background: rgba(255, 255, 255, 0.2);
      transform: translateY(-5px);
  }

  .step-number {
      display: inline-block;
      width: 40px;
      height: 40px;
      background: white;
      color: #0066cc;
      border-radius: 50%;
      text-align: center;
      line-height: 40px;
      font-weight: bold;
      margin-bottom: 1rem;
  }

  /* Галерея */
  .gallery {
      background-color: var(--light-color);
      padding: 60px 0;
  }

  .gallery-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
  }

  .gallery-item {
      position: relative;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      transition: var(--transition);
  }

  .gallery-item:hover {
      transform: scale(1.03);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  }

  .gallery-item img,
  .gallery-item video {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
  }

  .testimonial {
      background-color: white;
      padding: 20px;
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      text-align: center;
  }

  .testimonial img {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      object-fit: cover;
      margin: 0 auto 15px;
      border: 3px solid var(--secondary-color);
  }

  .testimonial h4 {
      margin-bottom: 5px;
      color: var(--primary-color);
  }

  .testimonial span {
      display: block;
      font-size: 0.9rem;
      color: #666;
      margin-bottom: 15px;
  }

  /* Контакты */
  .contact {
      background-color: white;
  }

  .contact-container {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
  }

  .contact-info h3 {
      font-size: 1.8rem;
      margin-bottom: 20px;
      color: var(--primary-color);
  }

  .contact-info p {
      margin-bottom: 30px;
  }

  .contact-details {
      margin-bottom: 30px;
  }

  .contact-detail {
      display: flex;
      align-items: center;
      margin-bottom: 15px;
      justify-content: center;
  }

  .contact-detail i {
      font-size: 1.2rem;
      color: var(--secondary-color);
      margin-right: 15px;
      width: 20px;
  }

  .social-links {
      display: flex;
      gap: 15px;
      justify-content: center;
  }

  .social-links a {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      background-color: var(--light-color);
      border-radius: 50%;
      transition: var(--transition);
  }

  .social-links a:hover {
      background-color: var(--secondary-color);
      color: white;
  }

  /* Подвал */
  footer {
      background-color: var(--dark-color);
      color: white;
      padding: 50px 0 20px;
  }

  .footer-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      margin-bottom: 40px;
  }

  .footer-col h3 {
      font-size: 1.3rem;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 10px;
  }

  .footer-col h3::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 50px;
      height: 2px;
      background-color: var(--secondary-color);
  }

  .footer-col p {
      margin-bottom: 15px;
      opacity: 0.8;
  }

  .footer-links li {
      margin-bottom: 10px;
  }

  .footer-links a {
      opacity: 0.8;
      transition: var(--transition);
  }

  .footer-links a:hover {
      opacity: 1;
      padding-left: 5px;
  }

  .footer-bottom {
      text-align: center;
      padding-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      font-size: 0.9rem;
      opacity: 0.7;
  }

  /* Анимации */
  @keyframes fadeIn {
      from {
          opacity: 0;
      }

      to {
          opacity: 1;
      }
  }

  @keyframes fadeInDown {
      from {
          opacity: 0;
          transform: translateY(-30px);
      }

      to {
          opacity: 1;
          transform: translateY(0);
      }
  }

  @keyframes fadeInUp {
      from {
          opacity: 0;
          transform: translateY(30px);
      }

      to {
          opacity: 1;
          transform: translateY(0);
      }
  }

  @keyframes pulse {
      0% {
          transform: scale(1);
      }

      50% {
          transform: scale(1.05);
      }

      100% {
          transform: scale(1);
      }
  }

  /* Медиазапросы */
  @media (max-width: 992px) {
      .section-title {
          font-size: 2rem;
      }

      .about-content {
          grid-template-columns: 1fr;
      }

      .about-image {
          order: -1;
          max-width: 600px;
          margin: 0 auto;
      }
  }

  @media (max-width: 768px) {
      .nav-links {
          position: fixed;
          top: 80px;
          left: -100%;
          width: 100%;
          height: calc(100vh - 80px);
          background-color: white;
          flex-direction: column;
          align-items: center;
          justify-content: center;
          transition: var(--transition);
          z-index: 999;
      }

      .nav-links.active {
          left: 0;
      }

      .nav-links li {
          margin: 15px 0;
      }

      .hamburger {
          display: block;
      }

      .hero h1 {
          font-size: 2.5rem;
      }

      .hero-btns {
          flex-direction: column;
          align-items: center;
      }

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

  @media (max-width: 576px) {
      .section {
          padding: 60px 0;
      }

      .section-title {
          font-size: 1.8rem;
      }

      .hero h1 {
          font-size: 2rem;
      }

      .hero p {
          font-size: 1rem;
      }

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

  /* Плавная прокрутка */
  html {
      scroll-behavior: smooth;
  }