:root {
      --color-primary: #1886f8;
      --color-secondary: #13c08b;
      --color-bg: #f7fafc;
      --color-white: #ffffff;
      --color-dark: #152540;
      --color-muted: #6d7a88;
  }

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

  html {
      scroll-behavior: smooth;
  }

  body {
      font-family: 'Montserrat', Arial, sans-serif;
      background: var(--color-bg);
      color: var(--color-dark);
  }

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

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

  .container {
      max-width: 1180px;
      margin: 0 auto;
      padding: 0 1.5rem;
  }

  .section {
      padding: 70px 0;
  }

  .section-title {
      font-size: 2rem;
      text-align: center;
      margin-bottom: 28px;
  }

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

  .hero {
      min-height: 95vh;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      background: linear-gradient(135deg, var(--color-primary) 60%, var(--color-secondary));
      color: var(--color-white);
      position: relative;
      text-align: center;
  }

  .hero-headline {
      font-size: 2.3rem;
      font-weight: 700;
      margin-bottom: 18px;
      letter-spacing: -1px;
  }

  .hero-desc {
      font-size: 1.15rem;
      margin-bottom: 36px;
      font-weight: 400;
  }

  .download-btns {
      display: flex;
      gap: 18px;
      justify-content: center;
      flex-wrap: wrap;
      margin-bottom: 36px;
  }

  .download-btn {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 14px 28px;
      background: var(--color-white);
      color: var(--color-primary);
      border-radius: 33px;
      font-weight: 600;
      font-size: 1rem;
      border: none;
      box-shadow: 0 4px 26px rgba(24, 134, 248, 0.11);
      transition: background .2s, color .2s;
      cursor: pointer;
  }

  .download-btn:hover,
  .download-btn:focus {
      background: var(--color-primary);
      color: var(--color-white);
  }

  .hero-mockup {
      width: 240px;
      margin: 36px auto 0;
      background: var(--color-white);
      border-radius: 28px;
      box-shadow: 0 8px 60px 0 rgba(64, 172, 248, 0.11);
      padding: 14px 14px 0 14px;
  }

  .hero-mockup img {
      display: block;
      border-radius: 18px;
      width: 100%;
      height: 420px;
      object-fit: cover;
      background: #e0e9f2;
  }

  .about-content {
      display: flex;
      flex-wrap: wrap;
      gap: 42px;
      align-items: center;
  }

  .about-text {
      flex: 1;
      font-size: 1.12rem;
      line-height: 1.7;
  }

  .about-visuals {
      flex: 1;
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
      justify-content: center;
  }

  .about-img {
      background: #e0e9f2;
      width: 100px;
      height: 185px;
      border-radius: 15px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.97rem;
      font-weight: 500;
      color: var(--color-muted);
      text-align: center;
  }

  .about-img img {
      border-radius: 12px;
      max-width: 100%;
      max-height: 100%;
  }

  .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
      gap: 36px;
      margin-top: 35px;
  }

  .feature-card {
      background: var(--color-white);
      border-radius: 16px;
      padding: 28px 20px;
      text-align: center;
      box-shadow: 0 2px 20px 0 rgba(24, 134, 248, 0.07);
      transition: transform .18s;
  }

  .feature-card:hover {
      transform: translateY(-7px) scale(1.035);
  }

  .feature-icon {
      font-size: 2.7rem;
      margin-bottom: 15px;
      color: var(--color-secondary);
      display: inline-block;
  }

  .feature-title {
      font-size: 1.13rem;
      font-weight: 700;
      margin-bottom: 10px;
  }

  .feature-desc {
      font-size: 1rem;
      color: var(--color-muted);
  }

  .how-steps {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
      justify-content: center;
      margin-top: 36px;
  }

  .how-step {
      flex: 1 1 170px;
      background: var(--color-white);
      border-radius: 15px;
      padding: 28px 20px 22px 20px;
      text-align: center;
      min-width: 160px;
      box-shadow: 0 2px 14px 0 rgba(24, 134, 248, 0.07);
      position: relative;
  }

  .how-step-num {
      background: var(--color-primary);
      color: var(--color-white);
      border-radius: 50%;
      padding: 9px 0;
      width: 36px;
      height: 36px;
      line-height: 18px;
      margin: 0 auto 12px;
      font-weight: 700;
      font-size: 1.1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 2px 6px 0 rgba(24, 134, 248, 0.14);
  }

  .how-step-title {
      font-weight: 600;
      margin-bottom: 6px;
  }

  .screenshots-carousel {
      display: flex;
      gap: 24px;
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      padding-bottom: 10px;
      margin-top: 30px;
  }

  .screenshot-card {
      background: #e0e9f2;
      border-radius: 22px;
      width: 185px;
      height: 330px;
      flex: 0 0 185px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 10px;
      font-size: 1rem;
      color: #a5adb7;
      scroll-snap-align: center;
      box-shadow: 0 1.5px 8px 0 rgba(24, 134, 248, 0.04);
      overflow: hidden;
  }

  .screenshot-card img {
      max-width: 100%;
      max-height: 100%;
      border-radius: 14px;
  }

  .trust-badges {
      display: flex;
      gap: 32px;
      justify-content: center;
      margin: 28px 0 18px 0;
      flex-wrap: wrap;
  }

  .badge {
      background: #eaf7f4;
      color: var(--color-secondary);
      border-radius: 12px;
      padding: 13px 26px;
      font-size: 1.07rem;
      display: flex;
      align-items: center;
      gap: 9px;
  }

  .reviews-list {
      display: flex;
      flex-wrap: wrap;
      gap: 34px;
      justify-content: center;
      margin-bottom: 16px;
  }

  .review-card {
      background: var(--color-white);
      border-radius: 15px;
      padding: 22px 18px;
      max-width: 340px;
      min-width: 220px;
      box-shadow: 0 2px 7px 0 rgba(24, 134, 248, 0.08);
  }

  .review-user {
      margin-bottom: 7px;
      font-weight: 600;
      color: var(--color-primary);
  }

  .review-text {
      font-style: italic;
      color: var(--color-muted);
      line-height: 1.6;
  }

  .cta {
      background: linear-gradient(90deg, var(--color-secondary) 60%, var(--color-primary));
      color: var(--color-white);
      padding: 64px 0;
      text-align: center;
      border-radius: 0 0 35px 35px;
      box-shadow: 0 8px 35px 0 rgba(24, 134, 248, 0.08);
  }

  .cta-title {
      font-size: 1.65rem;
      font-weight: 700;
      margin-bottom: 22px;
  }

  footer {
      background: var(--color-dark);
      color: #cad4dd;
      padding: 30px 0 18px 0;
      text-align: center;
      border-top: 8px solid var(--color-primary);
  }

  .footer-links {
      margin-bottom: 15px;
  }

  .footer-links a {
      color: #cad4dd;
      margin: 0 14px;
      transition: color .18s;
      font-weight: 500;
  }

  .footer-links a:hover {
      color: var(--color-white);
  }

  .social-icons {
      display: flex;
      gap: 15px;
      justify-content: center;
      margin-top: 10px;
  }

  .social-icon {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: #cad4dd1a;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-white);
      font-size: 1.35rem;
      transition: background .2s;
  }

  .social-icon:hover {
      background: var(--color-primary);
  }

  .copyright {
      font-size: 0.98rem;
      color: #a0b5c7;
      margin-top: 11px;
  }

  /* Modal styles */
  .modal-backdrop {
      display: none;
      position: fixed;
      left: 0;
      top: 0;
      width: 100vw;
      height: 100vh;
      background: rgba(29, 48, 59, 0.40);
      z-index: 9998;
      justify-content: center;
      align-items: center;
  }

  .modal-backdrop.active {
      display: flex;
  }

  .modal-content {
      background: var(--color-white);
      border-radius: 17px;
      max-width: 95vw;
      width: 450px;
      max-height: 85vh;
      overflow: auto;
      box-shadow: 0 7px 32px rgba(24, 40, 80, 0.17);
      padding: 38px 26px 20px 26px;
      color: var(--color-dark);
      position: relative;
      animation: modalPop .35s cubic-bezier(.33, 1.07, .21, .98);
  }

  @keyframes modalPop {
      0% {
          transform: scale(.85) translateY(40px);
          opacity: 0;
      }

      100% {
          transform: scale(1) translateY(0);
          opacity: 1;
      }
  }

  .modal-content h2 {
      font-size: 1.22rem;
      margin: 0 0 16px 0;
  }

  .modal-close {
      position: absolute;
      right: 16px;
      top: 17px;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--color-muted);
      cursor: pointer;
      transition: color .2s;
  }

  .modal-close:hover {
      color: var(--color-primary);
  }

  .modal-content p,
  .modal-content li {
      font-size: 1.05rem;
      color: #314864;
      margin-bottom: 12px;
  }

  /* Responsive rules */
  @media (max-width: 900px) {

      .about-content,
      .trust-badges,
      .reviews-list {
          flex-direction: column;
          gap: 24px;
      }

      .about-visuals {
          justify-content: flex-start;
      }

      .screenshots-carousel {
          justify-content: flex-start;
      }
  }

  @media (max-width: 700px) {
      .hero-headline {
          font-size: 1.38rem;
      }

      .hero-mockup {
          width: 180px;
      }

      .hero-mockup img {
          height: 320px;
      }

      .about-img {
          width: 70px;
          height: 120px;
          font-size: 0.85rem;
      }

      .section {
          padding: 38px 0;
      }

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

      .cta-title {
          font-size: 1.09rem;
      }

      .modal-content {
          padding: 26px 8px 18px 14px;
      }
  }

  @media (max-width: 420px) {
      .download-btns {
          flex-direction: column !important;
          gap: 12px;
      }
  }