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

  body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
      background: #ffffff;
      color: #2d3748;
      overflow-x: hidden;
  }

  .page {
      display: none;
  }

  .page.active {
      display: block;
  }

  nav {
      position: fixed;
      top: 0;
      width: 100%;
      padding: 20px 50px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      box-shadow: 0 2px 20px rgba(15, 149, 163, 0.08);
  }

  .logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 26px;
      font-weight: 700;
      color: #0f95a3;
  }

  .logo-icon {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, #0f95a3, #0c7880);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
  }

  .nav-links {
      display: flex;
      gap: 35px;
      align-items: center;
  }

  .nav-links a {
      color: #4a5568;
      text-decoration: none;
      font-weight: 500;
      transition: color 0.3s;
      cursor: pointer;
  }

  .nav-links a:hover {
      color: #0f95a3;
  }

  .nav-cta {
      background: linear-gradient(135deg, #0f95a3, #0c7880);
      padding: 12px 28px;
      border-radius: 25px;
      color: #fff !important;
      text-decoration: none;
      font-weight: 600;
      transition: all 0.3s;
      box-shadow: 0 4px 15px rgba(15, 149, 163, 0.25);
  }

  .nav-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(15, 149, 163, 0.35);
  }

  .hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      padding: 120px 50px 80px;
      background: linear-gradient(135deg, #f0fdff 0%, #e6f7f9 100%);
      position: relative;
      overflow: hidden;
  }

  .hero::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -20%;
      width: 800px;
      height: 800px;
      background: radial-gradient(circle, rgba(15, 149, 163, 0.08) 0%, transparent 70%);
      border-radius: 50%;
      animation: float 20s infinite ease-in-out;
  }

  @keyframes float {

      0%,
      100% {
          transform: translate(0, 0) scale(1);
      }

      50% {
          transform: translate(-50px, 50px) scale(1.1);
      }
  }

  .hero-container {
      max-width: 1300px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 80px;
      align-items: center;
      position: relative;
      z-index: 1;
  }

  .hero-content h1 {
      font-size: clamp(38px, 5vw, 56px);
      font-weight: 800;
      margin-bottom: 25px;
      color: #1a202c;
      line-height: 1.2;
  }

  .hero-content .highlight {
      color: #0f95a3;
      position: relative;
      display: inline-block;
  }

  .hero-content .highlight::after {
      content: '';
      position: absolute;
      bottom: 5px;
      left: 0;
      width: 100%;
      height: 12px;
      background: rgba(15, 149, 163, 0.2);
      z-index: -1;
      border-radius: 3px;
  }

  .hero-content p {
      font-size: 20px;
      color: #4a5568;
      margin-bottom: 35px;
      line-height: 1.7;
  }

  .hero-buttons {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
  }

  .btn-primary {
      background: linear-gradient(135deg, #0f95a3, #0c7880);
      padding: 18px 40px;
      border-radius: 30px;
      color: #fff;
      text-decoration: none;
      font-weight: 600;
      font-size: 18px;
      transition: all 0.3s;
      box-shadow: 0 8px 25px rgba(15, 149, 163, 0.3);
      border: none;
      cursor: pointer;
      display: inline-block;
  }

  .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 35px rgba(15, 149, 163, 0.4);
  }

  .btn-secondary {
      background: #fff;
      padding: 18px 40px;
      border-radius: 30px;
      color: #0f95a3;
      text-decoration: none;
      font-weight: 600;
      font-size: 18px;
      border: 2px solid #0f95a3;
      transition: all 0.3s;
      display: inline-block;
  }

  .btn-secondary:hover {
      background: rgba(15, 149, 163, 0.05);
      transform: translateY(-3px);
  }

  .hero-visual {
      position: relative;
  }

  .mockup-card {
      background: #fff;
      border-radius: 20px;
      padding: 30px;
      box-shadow: 0 20px 60px rgba(15, 149, 163, 0.15);
      animation: fadeInRight 1s ease;
  }

  @keyframes fadeInRight {
      from {
          opacity: 0;
          transform: translateX(30px);
      }

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

  .mockup-header {
      display: flex;
      gap: 8px;
      margin-bottom: 20px;
  }

  .dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: #cbd5e0;
  }

  .mockup-content {
      display: flex;
      flex-direction: column;
      gap: 15px;
  }

  .patient-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px;
      background: #f7fafc;
      border-radius: 12px;
      border-left: 4px solid #0f95a3;
  }

  .patient-info {
      display: flex;
      align-items: center;
      gap: 12px;
  }

  .patient-avatar {
      width: 45px;
      height: 45px;
      border-radius: 50%;
      background: linear-gradient(135deg, #0f95a3, #0c7880);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 600;
  }

  .patient-details h4 {
      font-size: 15px;
      color: #2d3748;
      margin-bottom: 3px;
  }

  .patient-details p {
      font-size: 13px;
      color: #718096;
      margin: 0;
  }

  .status-badge {
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      background: rgba(15, 149, 163, 0.1);
      color: #0f95a3;
  }

  .features {
      padding: 100px 50px;
      max-width: 1300px;
      margin: 0 auto;
  }

  .section-header {
      text-align: center;
      margin-bottom: 70px;
  }

  .section-header h2 {
      font-size: clamp(32px, 4vw, 48px);
      color: #1a202c;
      margin-bottom: 15px;
      font-weight: 800;
  }

  .section-header p {
      font-size: 20px;
      color: #718096;
      max-width: 700px;
      margin: 0 auto;
  }

  .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 35px;
  }

  .feature-card {
      background: #fff;
      padding: 35px;
      border-radius: 20px;
      border: 2px solid #e2e8f0;
      transition: all 0.3s;
      position: relative;
  }

  .feature-card:hover {
      transform: translateY(-8px);
      border-color: #0f95a3;
      box-shadow: 0 15px 40px rgba(15, 149, 163, 0.15);
  }

  .feature-icon {
      width: 65px;
      height: 65px;
      background: linear-gradient(135deg, rgba(15, 149, 163, 0.1), rgba(15, 149, 163, 0.2));
      border-radius: 15px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 32px;
      margin-bottom: 20px;
  }

  .feature-card h3 {
      font-size: 22px;
      margin-bottom: 12px;
      color: #1a202c;
  }

  .feature-card p {
      color: #718096;
      line-height: 1.7;
      font-size: 16px;
  }

  .cta-section {
      padding: 100px 50px;
      background: linear-gradient(135deg, #0f95a3, #0c7880);
      text-align: center;
      position: relative;
      overflow: hidden;
  }

  .cta-section::before {
      content: '';
      position: absolute;
      top: -100px;
      left: -100px;
      width: 300px;
      height: 300px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 50%;
  }

  .cta-section h2 {
      font-size: clamp(32px, 4vw, 48px);
      color: #fff;
      margin-bottom: 20px;
      font-weight: 800;
  }

  .cta-section p {
      font-size: 20px;
      color: rgba(255, 255, 255, 0.9);
      margin-bottom: 35px;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
  }

  .trial-badge {
      display: inline-block;
      background: rgba(255, 255, 255, 0.2);
      padding: 10px 20px;
      border-radius: 25px;
      color: #fff;
      font-weight: 600;
      margin-bottom: 30px;
      backdrop-filter: blur(10px);
  }

  .btn-white {
      background: #fff;
      color: #0f95a3;
      padding: 18px 40px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: 600;
      font-size: 18px;
      display: inline-block;
      transition: all 0.3s;
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  }

  .btn-white:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
  }

  .pricing-section {
      padding: 120px 50px 100px;
      max-width: 1200px;
      margin: 0 auto;
  }

  .pricing-cards {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 35px;
      margin-top: 60px;
  }

  .pricing-card {
      background: #fff;
      border: 2px solid #e2e8f0;
      border-radius: 25px;
      padding: 45px 35px;
      transition: all 0.3s;
      position: relative;
  }

  .pricing-card.featured {
      border-color: #0f95a3;
      box-shadow: 0 20px 60px rgba(15, 149, 163, 0.2);
      transform: scale(1.05);
  }

  .pricing-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 20px 50px rgba(15, 149, 163, 0.15);
  }

  .pricing-card.featured:hover {
      transform: scale(1.05) translateY(-10px);
  }

  .popular-badge {
      position: absolute;
      top: -15px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, #0f95a3, #0c7880);
      color: #fff;
      padding: 8px 20px;
      border-radius: 20px;
      font-size: 14px;
      font-weight: 600;
  }

  .pricing-card h3 {
      font-size: 26px;
      color: #1a202c;
      margin-bottom: 10px;
  }

  .pricing-card .price {
      font-size: 48px;
      font-weight: 800;
      color: #0f95a3;
      margin: 20px 0;
  }

  .pricing-card .price span {
      font-size: 20px;
      color: #718096;
      font-weight: 400;
  }

  .pricing-card .description {
      color: #718096;
      margin-bottom: 30px;
      font-size: 16px;
  }

  .pricing-features {
      list-style: none;
      margin-bottom: 35px;
  }

  .pricing-features li {
      padding: 12px 0;
      color: #4a5568;
      display: flex;
      align-items: center;
      gap: 10px;
  }

  .pricing-features li::before {
      content: '✓';
      color: #0f95a3;
      font-weight: bold;
      font-size: 18px;
  }

  .btn-pricing {
      width: 100%;
      padding: 16px;
      border-radius: 25px;
      font-weight: 600;
      font-size: 16px;
      cursor: pointer;
      transition: all 0.3s;
      border: none;
      background: #f7fafc;
      color: #0f95a3;
  }

  .btn-pricing:hover {
      background: rgba(15, 149, 163, 0.1);
  }

  .pricing-card.featured .btn-pricing {
      background: linear-gradient(135deg, #0f95a3, #0c7880);
      color: #fff;
      box-shadow: 0 6px 20px rgba(15, 149, 163, 0.3);
  }

  .pricing-card.featured .btn-pricing:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(15, 149, 163, 0.4);
  }

  footer {
      padding: 50px;
      text-align: center;
      background: #f7fafc;
      color: #718096;
      border-top: 1px solid #e2e8f0;
  }

  .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      padding: 10px;
  }

  .hamburger span {
      width: 25px;
      height: 3px;
      background: #0f95a3;
      border-radius: 3px;
      transition: all 0.3s;
  }

  @media (max-width: 968px) {
      nav {
          padding: 15px 25px;
      }

      .hamburger {
          display: flex;
      }

      .nav-links {
          position: fixed;
          top: 70px;
          left: -100%;
          width: 100%;
          background: #fff;
          flex-direction: column;
          padding: 30px;
          box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
          transition: left 0.3s;
          gap: 20px;
      }

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

      .hero-container {
          grid-template-columns: 1fr;
          gap: 50px;
      }

      .hero-visual {
          order: -1;
      }

      .hero {
          padding: 100px 25px 60px;
      }

      .features,
      .pricing-section,
      .cta-section {
          padding: 60px 25px;
      }

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

      .pricing-card.featured {
          transform: scale(1);
      }
  }