body {
      background:
          radial-gradient(circle at top left, rgba(14, 165, 233, 0.16), transparent 34rem),
          linear-gradient(180deg, var(--primary-50) 0%, #ffffff 100%);
  }

  .topbar {
      gap: 18px;
  }

  .secure-note {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--slate-700);
      font-size: 0.92rem;
      font-weight: 600;
      white-space: nowrap;
  }

  .secure-note::before {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--success-500);
      content: "";
      box-shadow: 0 0 0 5px rgba(16, 185, 129, 0.12);
  }

  main {
      flex: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.78fr);
      align-items: start;
      gap: 54px;
      padding: 92px 0 54px;
  }

  .hero-copy {
      max-width: 620px;
  }

  h1 {
      margin: 0;
      color: var(--primary-700);
      font-size: 3.5rem;
      line-height: 1.04;
      letter-spacing: 0;
  }

  .lead {
      max-width: 580px;
      margin: 20px 0 0;
      color: var(--slate-700);
      font-size: 1.18rem;
      line-height: 1.65;
  }

  .benefits {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin: 34px 0 0;
      padding: 0;
      list-style: none;
  }

  .benefits li {
      min-height: 96px;
      padding: 16px;
      border: 1px solid var(--primary-100);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, 0.82);
      box-shadow: 0 8px 20px rgba(30, 58, 95, 0.08);
  }

  .benefits strong {
      display: block;
      color: var(--primary-700);
      font-size: 0.96rem;
  }

  .benefits span {
      display: block;
      margin-top: 6px;
      color: var(--slate-500);
      font-size: 0.88rem;
      line-height: 1.4;
  }

  .official-box {
      display: grid;
      gap: 5px;
      margin-top: 18px;
      padding: 16px 18px;
      border: 1px solid rgba(16, 185, 129, 0.28);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, 0.86);
      box-shadow: 0 8px 20px rgba(30, 58, 95, 0.08);
  }

  .official-box strong {
      color: var(--primary-700);
      font-size: 0.98rem;
  }

  .official-box span {
      color: var(--slate-500);
      font-size: 0.92rem;
      line-height: 1.5;
  }

  .download-area {
      display: grid;
      gap: 16px;
  }

  .app-preview {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 18px;
      border: 1px solid var(--primary-100);
      border-radius: var(--radius);
      background: var(--white);
      box-shadow: var(--shadow);
  }

  .app-preview img {
      width: 72px;
      height: 72px;
      border-radius: 18px;
      flex: 0 0 auto;
  }

  .app-preview p {
      margin: 0;
      color: var(--slate-500);
      font-size: 0.94rem;
      line-height: 1.45;
  }

  .app-preview strong {
      display: block;
      margin-bottom: 4px;
      color: var(--primary-700);
      font-size: 1.08rem;
  }

  .store-list {
      display: grid;
      gap: 14px;
  }

  .store-button {
      position: relative;
      display: grid;
      grid-template-columns: 48px minmax(0, 1fr) auto;
      align-items: center;
      gap: 14px;
      min-height: 86px;
      padding: 16px;
      border: 1px solid var(--primary-100);
      border-radius: var(--radius);
      background: var(--white);
      color: var(--primary-900);
      text-decoration: none;
      box-shadow: 0 10px 24px rgba(30, 58, 95, 0.1);
      transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  }

  .store-button:hover,
  .store-button:focus-visible {
      border-color: rgba(14, 165, 233, 0.55);
      box-shadow: 0 16px 34px rgba(30, 58, 95, 0.18);
      transform: translateY(-2px);
      outline: none;
  }

  .store-button.recommended {
      border-color: rgba(14, 165, 233, 0.72);
      box-shadow: 0 18px 38px rgba(14, 165, 233, 0.2);
  }

  .store-button img {
      width: 48px;
      height: 48px;
      object-fit: contain;
  }

  .store-copy {
      min-width: 0;
  }

  .store-copy strong {
      display: block;
      color: var(--primary-700);
      font-size: 1.05rem;
  }

  .store-copy span {
      display: block;
      margin-top: 4px;
      color: var(--slate-500);
      font-size: 0.9rem;
      line-height: 1.35;
  }

  .store-arrow {
      display: grid;
      place-items: center;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--primary-50);
      color: var(--primary-500);
      font-size: 1.35rem;
      font-weight: 700;
      transition: background 0.2s ease, color 0.2s ease;
  }

  .store-button:hover .store-arrow,
  .store-button:focus-visible .store-arrow {
      background: var(--primary-500);
      color: var(--white);
  }

  .store-copy .recommendation {
      display: none;
      width: fit-content;
      margin-top: 9px;
      padding: 5px 9px;
      border-radius: 999px;
      background: rgba(14, 165, 233, 0.12);
      color: #0369a1;
      font-size: 0.78rem;
      font-weight: 800;
  }

  .store-button.recommended .store-copy .recommendation {
      display: inline-flex;
  }

  .helper {
      margin: 2px 0 0;
      color: var(--slate-500);
      font-size: 0.9rem;
      line-height: 1.45;
      text-align: center;
  }

  footer {
      text-align: center;
  }

  @media (max-width: 860px) {
      .page {
          width: min(100% - 28px, 640px);
      }

      main {
          grid-template-columns: 1fr;
          gap: 32px;
          padding-top: 22px;
      }

      h1 {
          font-size: 2.64rem;
      }

      .lead {
          font-size: 1.08rem;
      }

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

  @media (max-width: 560px) {
      .secure-note {
          white-space: normal;
      }

      h1 {
          font-size: 2.16rem;
      }

      .store-button {
          grid-template-columns: 44px minmax(0, 1fr);
          min-height: 96px;
      }

      .store-button img {
          width: 44px;
          height: 44px;
      }

      .store-arrow {
          display: none;
      }
  }