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

:root {
  font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 13px;
}

html:has(dialog[open]:modal) {
  overflow: hidden;
}

body {
  padding: 4rem;

  h2 {
    color: #669fc7;
    font-size: 2rem;
    font-weight: 400;
  }

  strong {
    font-weight: 600;
  }

  header {
    text-align: right;

    .referral-button {
      padding: 2rem;
      margin: -4.5rem -3.5rem -2rem -2rem;
      background: transparent;
      border: 0 solid transparent;
      display: inline-block;
      position: relative;
      transition: all 0.3s ease;
      overflow: hidden;

      /* Glint effect */
      &::before {
        content: "";
        position: absolute;
        top: -50%;
        left: -100%;
        width: 100%;
        height: 200%;
        background: linear-gradient(
          45deg,
          transparent 30%,
          rgba(255, 255, 255, 0.6) 50%,
          transparent 70%
        );
        transform: rotate(45deg);
        transition: left 0.8s ease;
        z-index: 1;
      }

      img {
        height: 10rem;
        filter: drop-shadow(0.1rem 0.1rem 0.25rem #222);
        transition: all 0.3s ease;
      }

      &:hover {
        cursor: pointer;
        transform: scale(1.025);

        &::before {
          left: 100%;
        }

        img {
          filter: drop-shadow(0.5rem 0.5rem 0.75rem #222);
        }
      }

      &:active {
        transform: translateY(0.1rem);

        &::before {
          left: -100%;
        }

        img {
          filter: drop-shadow(0.1rem 0.1rem 0.25rem #222);
        }
      }
    }
  }

  .rs-card-holder {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 2rem 3rem 3rem;

    .rs-card {
      max-width: 23rem;
      border: 0.2rem solid #000;
      border-radius: 1rem;
      padding: 0;
      box-shadow: 0.1rem 0.1rem 0.5rem 0 #000000cc;
      transition: 0.5s;
      position: relative;
      overflow: hidden;
      cursor: pointer;

      img {
        width: 100%;
        object-fit: cover;
      }

      figcaption {
        display: grid;
        grid-template-rows: 3.5rem 7rem 2rem 2.5rem;
        padding: 1.5rem;
        background-color: #f9f9f9;

        h4 {
          display: flex;
          gap: 0.25em;
          align-items: baseline;
          color: #669fc7;
          margin: 0;
          font-size: 1.2rem;
        }

        p {
          padding: 1.5rem;
          margin: 0;
          color: #999;
          font-size: 1.2rem;
        }

        .note {
          align-self: center;
        }

        .popular {
          text-align: center;
          align-self: end;
        }
      }

      &:hover {
        border-color: #669fc7;
        box-shadow: 0.5rem 0.5rem 1.5rem 0 #000000cc;
        transform: scale(1.025);
      }

      &:active,
      &:has(dialog[open]) {
        transform: translatey(0.1rem);
        box-shadow: 0.1rem 0.1rem 0.5rem 0 #000000cc;
        transition: 0.05s;
      }
    }
  }

  dialog {
    background-color: #fff;
    border: 0 solid transparent;
    position: fixed;
    contain: layout;
    box-shadow: 0.5rem 0.5rem 1.5rem 0 #000000cc;
    font-size: 1.2rem;
    padding: 4rem 8rem;
    width: 60rem;
    inset: 2.5vh 2.5vw;
    overflow: hidden;
    overflow-y: auto;
    margin: auto;
    cursor: default;

    h1 {
      color: #669fc7;
      font-size: 3rem;
      font-weight: 600;
    }

    p {
      padding: 0;
      color: #777;
      font-size: 1.5rem;
      margin: 1em 0;
    }

    ul {
      padding: 0 0 1rem 2rem;
      color: #777;
      margin: 1em;
    }

    div {
      font-size: 1.5rem;
      line-height: 3rem;
      font-weight: 300;
      color: #999;
    }

    .button-holder {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 0.5rem;

      a {
        background-color: #13c79a;
        border: 0.4rem solid #09b58a;
        color: #fff;
        font-weight: bold;
        padding: 0.5rem 1rem;
        font-size: 1.5rem;
        line-height: 1rem;
        text-decoration: none;

        &:hover,
        &:active {
          cursor: pointer;
        }

        &:active {
          transform: translatey(0.1rem);
        }
      }

      button {
        background-color: #669fc7;
        border: 0.4rem solid #5093c3;
        color: #fff;
        font-weight: bold;
        padding: 0.5rem 1rem;
        font-size: 1.5rem;
        line-height: 1rem;

        &:hover,
        &:active {
          cursor: pointer;
        }

        &:active {
          transform: translatey(0.1rem);
        }
      }
    }

    .hidden {
      display: none;
    }

    input[type="text"] {
      width: 100%;
      padding: 1rem;
      border: 0.2rem solid #ccc;
    }

    button.close {
      background-color: transparent;
      border: 0;
      color: #666;
      font-size: 2rem;
      cursor: pointer;
      position: sticky;
      display: block;
      text-align: right;
      width: 100%;
      height: 0;
      padding: 0;
      top: 0;
      right: 0;

      span {
        height: 4rem;
        width: 4rem;
        position: absolute;
        top: -4rem;
        right: -8rem;
        padding: 1rem;

        &:hover {
          color: #669fc7;
        }
      }
    }

    &::backdrop {
      background-color: rgba(0, 0, 0, 0.5);
    }
  }
}

.icon--uil {
  display: inline-block;
  width: 1em;
  height: 1em;
  background-color: currentColor;
  -webkit-mask-image: var(--svg);
  mask-image: var(--svg);
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
}

.icon--uil--times {
  --svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='24' height='24'%3E%3Cpath fill='black' d='m13.41 12l4.3-4.29a1 1 0 1 0-1.42-1.42L12 10.59l-4.29-4.3a1 1 0 0 0-1.42 1.42l4.3 4.29l-4.3 4.29a1 1 0 0 0 0 1.42a1 1 0 0 0 1.42 0l4.29-4.3l4.29 4.3a1 1 0 0 0 1.42 0a1 1 0 0 0 0-1.42Z'/%3E%3C/svg%3E");
}