@color-1: #047e7c;
@color-2: #0c6d74;
@color-3: #145c6c;
@color-final: @color-2;
@color-white: #f1f2e3;
@color-grey: #787970;

/* ======== MIXINS ======== */

.step-color(@color) {
  background-color: @color;

  .step-number:not(.done) {
    color: @color;
  }
}

// shadow appilied to element under to shadow element
// (shadow is placed on the top)

.top-bottom-shadow {
  box-shadow: inset 0px 8px 6px -5px rgba(0, 0, 0, 0.5);
}

/* ======== ANIMATIONS ======== */

@keyframes rotate-step-number {
  0% {
    transform: rotate3d(0, 0, 0, 0deg);
  }

  50% {
    transform: rotate3d(45, 45, 1, 90deg);
  }

  100% {
    transform: rotate3d(0, 0, 0, 0deg);
  }
}

/* ======== ======== */

body {
  background-color: @color-white;
  cursor: default;
  font-family: 'Source Sans Pro', sans;
  font-weight: 300;
}

header {
  background-color: @color-white;
  padding: 1rem;

  h1 {
    //font-size: 50px;
    font-weight: 300;
    padding: 0.5em 0px;
    text-align: center;
  }
}

#steps {
  color: @color-white;

  .step-heading {
    .top-bottom-shadow;

    h2 {
      font-weight: 300;
      padding: 8px;

      .step-number {
        border: 0px;
        border-radius: 50%;
        display: inline-block;
        font-weight: 400;
        height: 40px;
        margin: 0px 0.5em;
        text-align: center;
        transition: background-color 0.5s, transform 0.5s;
        width: 40px;
      }

      .step-number:not(.done) {
        background-color: @color-white;
        color: black;

        .number {
          display: inline;
        }

        .check {
          display: none;
        }
      }

      .step-number.done {
        &:not(.final) { // prevents animation to be shown at final step
          animation: rotate-step-number 0.5s;
        }

        &.final {
          background-color: @color-white;
          color: @color-final;
        }

        background-color: #8eca63; // green
        color: @color-white;

        .number {
          display: none;
        }

        .check {
          display: inline;
        }
      }
    }
  }

  .step {
    form {
      .row {
        margin-bottom: 0.7em;

        .col {
          padding: 0px 0.5em;
        }
      }

      input {
        background-color: rgba(255, 255, 255, 0.30);
        border: 0px solid rgba(255, 255, 255, 0.30);
        border-radius: 6px;
        color: white; // (!)
        padding: 0.4em 0.6em;

        // lesshint-disable qualifyingElement
        &[type='text'],
        &[type='date'],
        &[type='email'] {
          width: 100%;
        }
        // lesshint-enable qualifyingElement

        &::placeholder {
          color: rgba(255, 255, 255, 0.5);
          opacity: 1;
        }
      }


      label {
        margin-right: 24px;
      }

      #contribution {
        font-size: 1.5em;

        &::after {
          content: '€';
        }
      }
    }

    .next-wrapper {
      height: 96px;
      padding-top: 2em;
      text-align: center;

      button {
        /* unstyle button */
        background-color: transparent;
        border: 0px;
        color: @color-white;

        span {
          display: block;
          font-size: 24px;
        }

        i {
          font-size: 48px;
        }
      }
    }
  }

  .step-heading,
  .step {
    padding: 2em 30vw;

    &.step-heading {
      padding-bottom: 1em;
    }

    &.step {
      padding-top: 1em;
    }
  }

  #step-1,
  #step-1-heading {
    .step-color(@color-1);
  }

  #step-2,
  #step-2-heading {
    .step-color(@color-2);
  }

  #step-3,
  #step-3-heading {
    .step-color(@color-3);
  }
}

footer {
  .top-bottom-shadow;
  background-color: @color-white;
  padding: 2em 30vw;
  text-align: center;

  a {
    border-bottom: dotted 1px rgba(0, 0, 0, 0.25);
    color: @color-grey;
  }
}

/* ======== FINAL STEP ======== */

.step.final {
  pre.address {
    color: @color-white;
    font-family: inherit;
    font-size: inherit;
  }

  .download-wrapper {
    text-align: center;

    button {
      &:disabled {
        opacity: 1;
      }
    }
  }

  a {
    border-bottom: dotted 1px rgba(0, 0, 0, 0.25);
    color: @color-white;
  }
}