.form-project-calculation {
  padding-bottom: var(--section-gap, 120px);
  margin-bottom: var(--section-gap, 120px);
  background: linear-gradient(180deg, #E0E5ED 0%, #FFFFFF 100%);

  @media screen and (max-width: 640px) {
    --section-gap: 60px;
  }

  & * {
    font-family: 'Mulish', sans-serif !important;
  }
}

.form-project-calculation__wrapper {
  display: flex;
  column-gap: 0;
  align-items: stretch;

  & .form-project-calculation__content {
    width: 520px;
    min-width: 520px;

    @media screen and (max-width: 1024px) {
      width: 480px;
      min-width: 480px;
    }
    @media screen and (max-width: 768px) {
      width: 100%;
      min-width: auto;
    }
  }

  & .form-project-calculation__background {
    width: 100%;
    height: 520px;
    margin-top: auto;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: left bottom;
    transform: translateX(-30px);

    @media screen and (max-width: 1024px) {
      height: auto;
      margin-top: 0;
    }
    @media screen and (max-width: 768px) {
      display: none;
    }
  }
}

.form-project-calculation__header {
  display: flex;
  row-gap: 20px;
  flex-direction: column;

  @media screen and (max-width: 1024px) {
    row-gap: 16px;
  }

  & .form-project-calculation__title {
    width: 570px;
    font-size: 40px;
    font-weight: 700;
    line-height: 52px;
    color: #1F4FCE;
    margin-bottom: 0;

    @media screen and (max-width: 1024px) {
      font-size: 28px;
      line-height: 35px;
      width: 100%;
    }
    @media screen and (max-width: 640px) {
      font-size: 22px;
      line-height: 29px;
    }
  }

  & .form-project-calculation__subtitle {
    font-size: 20px;
    font-weight: 400;
    line-height: 28px;
    color: #1B1B1B;
    margin-bottom: 0;

    @media screen and (max-width: 1024px) {
      font-size: 16px;
      line-height: 24px;
    }
  }
}

.form-project-calculation__panel {
  margin-top: 40px;

  & .form-project-calculation__form {
    display: flex;
    row-gap: 25px;
    flex-direction: column;
    margin-bottom: 0;

    @media screen and (max-width: 490px) {
      row-gap: 20px;
    }

    & label {
      margin: 0;
    }
  }

  & .form-project-calculation__row {
    display: flex;
    column-gap: 30px;
    align-items: center;

    @media screen and (max-width: 1024px) {
      column-gap: 20px;
    }
    @media screen and (max-width: 490px) {
      row-gap: 20px;
      flex-direction: column;
    }
  }

  & .form-project-calculation__field {
    display: block;
    width: 100%;

    & input[type="text"] {
      width: 100%;
      height: 41px;
      border-radius: 40px;
      border: 1.5px solid #1F4FCE;
      background: transparent;
      padding: 0 16px;
      font-family: 'Mulish', sans-serif;
      font-size: 16px;
      color: #0C3E9A;
      outline: none;
      box-sizing: border-box;

      &::placeholder {
        color: #5177DD;
      }
    }
  }

  & .form-project-calculation__agree {
    width: 100%;
    display: flex;
    gap: 10px;
    align-items: flex-start;
    position: relative;
  }
  & .form-project-calculation__agree.is-error svg rect {
    stroke: #ff6b6b;
  }
  & .form-project-calculation__agree.is-error {
    animation: shake 0.3s;
  }
  & .form-project-calculation__checkbox-input {
    position: absolute !important;
    opacity: 0;
    pointer-events: none;
    bottom: auto !important;
    margin: 0 !important;
  }
  & .form-project-calculation__checkbox-ui {
    display: flex;
    align-items: center;
    min-width: 19px;
    height: 19px;
    flex-shrink: 0;
    cursor: pointer;
    margin-top: 3px;
  }
  & .form-project-calculation__checkbox-ui svg {
    display: block;
  }
  & .form-project-calculation__checkbox-ui svg rect {
    stroke: rgba(31, 79, 206, 1);
  }
  & .form-project-calculation__checkbox-check {
    stroke: rgba(31, 79, 206, 1);
  }
  & .form-project-calculation__checkbox-check {
    stroke-dasharray: 20;
    stroke-dashoffset: 20;
    opacity: 1;
    transition: stroke-dashoffset 0.25s ease;
  }
  & .form-project-calculation__checkbox-input:checked + .form-project-calculation__checkbox-ui .form-project-calculation__checkbox-check {
    stroke-dashoffset: 0;
  }
  & .form-project-calculation__agree-text {
    font-family: 'Mulish', sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: rgba(27, 27, 27, 1);
  }
  & .form-project-calculation__agree-text a,
  & .form-project-calculation__agree-text a:hover,
  & .form-project-calculation__agree-text a:focus,
  & .form-project-calculation__agree-text a:active {
    color: inherit;
    text-decoration: underline;
  }

  & .form-project-calculation__submit {
    width: 100%;
    height: 41px;
    cursor: pointer;
    font-family: Mulish, sans-serif;
    font-weight: 600;
    font-size: 16px;
    color: rgb(255, 255, 255);
    border-radius: 40px;
    background: linear-gradient(180deg, #4085D9 0%, #0C3E9A 100%);
    border-width: medium;
    border-style: none;
    border-color: currentcolor;
    border-image: none;
    transition: background 0.2s, color 0.2s, opacity 0.2s, transform 0.2s;

    &:hover {
      transform: translateY(-2px);
      opacity: 0.95;
    }
  }

  & .form-project-calculation__success {
    display: none;
    margin-top: 20px;
    color: rgb(31, 79, 206);
    font-size: 16px;
    text-align: center;
    padding: 14px 18px;
    border-radius: 16px;
    background: rgba(31, 79, 206, 0.1);
    animation: 0.3s ease 0s 1 normal none running fadeIn;

    &.is-visible {
      display: block;
    }
  }

  & .form-project-calculation__quform-hidden {
    position: absolute !important;
    left: -9999px !important;
    top: auto !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes shake {
  0%   { transform: translateX(0); }
  25%  { transform: translateX(-4px); }
  50%  { transform: translateX(4px); }
  75%  { transform: translateX(-4px); }
  100% { transform: translateX(0); }
}