html, body {
          height: 100%;
          margin: 0;
          padding: 0;
          box-sizing: border-box;
      }
      body {
          background-image: url('/assets/stocks/background2.jpg');
          background-attachment: fixed;
          background-size: cover;
          background-repeat: no-repeat;
          background-position: center;
      }
      .container {
          background-color: rgba(248, 249, 250, 0.8);
          margin: auto;
          max-width: 800px;
          padding: 20px;
          border-radius: 15px;
          margin-top: 3vh;
          margin-bottom: 3vh;
      }
      .center-div {
          display: flex;
          flex-direction: column;
          align-items: center;
      }
      .logo-image {
          width: 150px;
          height: auto;
      }
      h1 {
          font-size: 3em;
      }
      .button-29 {
          align-items: center;
          appearance: none;
          background-image: radial-gradient(100% 100% at 100% 0, #5adaff 0, #5468ff 100%);
          border: 0;
          border-radius: 6px;
          box-shadow: rgba(45, 35, 66, .4) 0 2px 4px,rgba(45, 35, 66, .3) 0 7px 13px -3px,rgba(58, 65, 111, .5) 0 -3px 0 inset;
          box-sizing: border-box;
          color: #fff;
          cursor: pointer;
          display: inline-flex;
          font-family: "JetBrains Mono", monospace;
          height: 48px;
          justify-content: center;
          line-height: 1;
          list-style: none;
          overflow: hidden;
          padding-left: 16px;
          padding-right: 16px;
          position: relative;
          text-align: left;
          text-decoration: none;
          transition: box-shadow .15s,transform .15s;
          user-select: none;
          -webkit-user-select: none;
          touch-action: manipulation;
          white-space: nowrap;
          will-change: box-shadow,transform;
          font-size: 18px;
      }
      .button-29:focus {
          box-shadow: #3c4fe0 0 0 0 1.5px inset, rgba(45, 35, 66, .4) 0 2px 4px, rgba(45, 35, 66, .3) 0 7px 13px -3px, #3c4fe0 0 -3px 0 inset;
      }
      .button-29:hover {
          box-shadow: rgba(45, 35, 66, .4) 0 4px 8px, rgba(45, 35, 66, .3) 0 7px 13px -3px, #3c4fe0 0 -3px 0 inset;
          transform: translateY(-2px);
      }
      .button-29:active {
          box-shadow: #3c4fe0 0 3px 7px inset;
          transform: translateY(2px);
      }
      .button-20 {
          align-items: center;
          appearance: none;
          background-image: radial-gradient(100% 100% at 100% 0, #5adaff 0, #5468ff 100%);
          border: 0;
          border-radius: 6px;
          box-shadow: rgba(45, 35, 66, .4) 0 2px 4px,rgba(45, 35, 66, .3) 0 7px 13px -3px,rgba(58, 65, 111, .5) 0 -3px 0 inset;
          box-sizing: border-box;
          color: #fff;
          cursor: pointer;
          display: inline-flex;
          font-family: "JetBrains Mono", monospace;
          height: 36px;
          justify-content: center;
          line-height: 1;
          list-style: none;
          overflow: hidden;
          padding-left: 16px;
          padding-right: 16px;
          position: relative;
          text-align: left;
          text-decoration: none;
          transition: box-shadow .15s,transform .15s;
          user-select: none;
          -webkit-user-select: none;
          touch-action: manipulation;
          white-space: nowrap;
          will-change: box-shadow,transform;
          font-size: 12px;
      }
      .button-20:focus {
          box-shadow: #3c4fe0 0 0 0 1.5px inset, rgba(45, 35, 66, .4) 0 2px 4px, rgba(45, 35, 66, .3) 0 7px 13px -3px, #3c4fe0 0 -3px 0 inset;
      }
      .button-20:hover {
          box-shadow: rgba(45, 35, 66, .4) 0 4px 8px, rgba(45, 35, 66, .3) 0 7px 13px -3px, #3c4fe0 0 -3px 0 inset;
          transform: translateY(-2px);
      }
      .button-20:active {
          box-shadow: #3c4fe0 0 3px 7px inset;
          transform: translateY(2px);
      }
      @media (max-width: 767px) {
          .container {
              padding: 10px;
          }
          h1 {
              font-size: 2em;
          }
      }
      .nav {
          background-color: rgba(248, 249, 250, 0.8);
          display: flex;
          justify-content: center;
          position: sticky;
          top: 0;
          z-index: 5;
      }
      .nav ul {
          list-style-type: none;
          display: flex;
          margin: 0;
          padding: 0;
          overflow: hidden;
      }
      .nav li {
          margin: 0 10px;
      }
      .modal-dialog {
        display: flex;
        justify-content: center;
        align-items: center;
        min-height: calc(100vh - 60px);
        margin: 0 auto;
      }
      @media (max-height: 500px) {
        .modal-dialog {
            min-height: 100vh;
            margin: 0;
        }
      }
      .modal-content {
        width: 100%;
        max-width: 500px;
        margin: 0;
      }
      .plan {
        border: 1px solid #ddd;
        padding: 15px;
        margin-bottom: 20px;
        background-color: #f8f9fa;
        border-radius: 10px;
      }
      .price-tag {
        font-size: 18px;
        color: #28a745;
        font-weight: bold;
        margin-bottom: 10px;
      }
      .modal-title {
        font-size: 24px;
        color: #4A90E2;
      }
      .modal-body {
        font-size: 16px;
        color: #333;
      }
      .modal-body h6 {
        font-size: 18px;
        margin-top: 20px;
      }
      .button-29 {
        font-size: 16px;
        padding: 10px 24px;
        margin-top: 10px;
      }
      .modal-footer {
        padding-top: 20px;
      }
      .header {
        background-color: #fff;
        border-bottom: 1px solid #dee2e6;
      }
      .nav-link {
        color: #495057;
        text-decoration: none;
        font-weight: 500;
        padding: 0.25rem 0;
        position: relative;
        transition: color 0.2s;
      }
      .nav-link:hover {
        color: #0d6efd;
      }
      .nav-link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 2px;
        background: #0d6efd;
        transition: width 0.3s;
      }
      .nav-link:hover::after {
        width: 100%;
      }
      .logo-image-head {
        height: 40px;
        width: auto;
      }