.calc-embed {
  --calc-accent: #ff1626;
  --calc-accent-dark: #e01522;
  --calc-ink: #0D0C36;
  --calc-muted: rgba(13, 12, 54, 0.55);
  --calc-border: rgba(13, 12, 54, 0.14);
  --calc-bg-soft: #F7F7FA;
  font-family: Lato, "Open Sans", "Helvetica Neue", Arial, sans-serif;
  background: #fff;
  border: 1px solid rgba(13, 12, 54, 0.06);
  border-radius: 8px;
  padding: 28px;
  box-shadow: 0 4px 24px rgba(13, 12, 54, 0.06);
}
@media (max-width: 767px) {
  .calc-embed {
    padding: 18px 16px;
    border-radius: 8px; }
}

/* Сайтовое правило показа вкладок (style.css) перечисляет классы явным списком
   (.card-prod-tab-specifications, -description, -delivery...) и не знает про
   .card-prod-tab-calculator — без этого правила вкладка была бы видна всегда,
   сразу под активной "Характеристики", а не только при переключении на неё. */
.card-prod-tab-calculator {
  display: none; }
.card-prod-tab-calculator.active {
  display: block; }

.calc-embed__intro {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px dashed var(--calc-border); }

.calc-embed__intro-icon {
  flex: none;
  width: 80px;
  aspect-ratio: 1 / 1;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13, 12, 54, 0.06);
  color: var(--calc-accent); }
  .calc-embed__intro-icon svg {
    width: 32px;
    height: 32px;
    flex: none; }

.calc-embed__intro-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--calc-ink);
  margin: 0 0 4px; }

.calc-embed__intro-text {
  font-size: 14.5px;
  line-height: 1.45;
  color: var(--calc-muted);
  max-width: 560px; }

.calc-embed .calc {
  display: flex;
  align-items: stretch;
  gap: 30px;
  flex-direction: column; }
  @media (min-width: 768px) {
    .calc-embed .calc {
      flex-direction: row;
      gap: 32px; } }

  .calc-embed .calc__content {
    flex-grow: 1;
    display: grid;
    grid-column-gap: 16px;
    grid-row-gap: 18px;
    width: 100%; }
    @media (min-width: 768px) {
      .calc-embed .calc__content {
        grid-template-columns: 1fr 1fr; } }

  @media (min-width: 768px) {
    .calc-embed .calc__block.col-1 {
      grid-column: span 2; } }

  /* compact row for perimeter + height (short numeric fields) */
  .calc-embed .calc__input-group {
    display: flex;
    gap: 12px;
    width: 100%; }
    .calc-embed .calc__input-group .calc__input {
      flex: 1 1 0;
      min-width: 0; }

  .calc-embed .calc__item.calc__item-wth-img .calc__select-content-item {
    display: block; }
    @media (min-width: 768px) {
      .calc-embed .calc__item.calc__item-wth-img .calc__select-content-item {
        display: flex; } }

  /* "Учесть фронтоны" — поля сверху, картинка снизу (не слева/справа). */
  .calc-embed .calc__item--frontons .calc__select-content {
    flex-direction: column; }
    .calc-embed .calc__item--frontons .calc__select-content-list {
      width: 100%;
      min-width: 100%; }
    .calc-embed .calc__item--frontons .calc__select-content-img {
      width: 100%;
      height: auto;
      padding: 16px 0;
      border-radius: 0 0 8px 8px; }

  /* "Толщина кладки" — always open, not a collapsible dropdown: header + content
     share one border as a single card, instead of each having its own frame. */
  .calc-embed .calc__item.static {
    border: 1.5px solid var(--calc-border);
    border-radius: 8px;
    overflow: hidden; }
  .calc-embed .calc__item.static .calc__select-header {
    cursor: default;
    pointer-events: none;
    border: none;
    border-radius: 0; }
  .calc-embed .calc__item.static .calc__select-arrow {
    display: none; }
  .calc-embed .calc__item.static .calc__select-content {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    border: none;
    border-top: 1.5px solid var(--calc-border);
    border-radius: 0;
    box-shadow: none; }
    /* список толщин в 2 колонки, а не одной длинной лесенкой */
    .calc-embed .calc__item.static .calc__select-content-item {
      justify-content: flex-start; }
    /* картинка без тяжёлой серой подложки, по размеру самой картинки */
    .calc-embed .calc__item.static .calc__select-content-img {
      height: auto;
      min-height: 0;
      background: transparent;
      padding: 12px 16px; }
      .calc-embed .calc__item.static .calc__select-content-img .img {
        height: auto;
        max-height: 120px; }
    /* 2 колонки и картинка сбоку — только на десктопе, на мобильном список остаётся
       обычным столбиком (в 2 колонки текст "Кладка в N кирпича" не помещается). */
    @media (min-width: 768px) {
      .calc-embed .calc__item.static .calc__select-content-list {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 2px 16px;
        width: 58%;
        min-width: 58%; }
      .calc-embed .calc__item.static .calc__select-content-img {
        width: 42%;
        padding: 12px 16px; }
    }

  /* select */
  .calc-embed .calc__select {
    position: relative; }

    .calc-embed .calc__select-header {
      font-size: 15px;
      font-weight: 500;
      display: flex;
      align-items: center;
      padding: 14px 18px;
      background: var(--calc-bg-soft);
      border: 1.5px solid transparent;
      border-radius: 8px;
      user-select: none;
      gap: 10px;
      transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
      cursor: pointer; }
      .calc-embed .calc__select-header:hover {
        border-color: rgba(255, 22, 38, 0.35); }
      .calc-embed .calc__select-header.active {
        background: #fff;
        border-color: var(--calc-accent);
        border-radius: 8px 8px 0 0;
        box-shadow: 0 0 0 3px rgba(255, 22, 38, 0.08); }
        .calc-embed .calc__select-header.active .calc__select-arrow svg {
          transform: rotate(180deg); }

    .calc-embed .calc__select-arrow svg {
      display: block;
      transition: transform .2s ease; }
      .calc-embed .calc__select-arrow path {
        stroke: var(--calc-muted); }

    .calc-embed .calc__select-value {
      flex: 1;
      color: var(--calc-ink); }
      .calc-embed .calc__select-value .selected {
        font-size: 80%;
        color: var(--calc-muted); }

    .calc-embed .calc__select-content {
      position: absolute;
      background: #fff;
      border: 1.5px solid var(--calc-accent);
      border-top: 0;
      border-radius: 0 0 8px 8px;
      box-shadow: 0 14px 34px rgba(13, 12, 54, 0.14);
      min-width: 100%;
      z-index: 1000;
      margin-top: 0;
      opacity: 0;
      visibility: hidden;
      transform: translateY(-6px);
      transition: opacity .18s ease, transform .18s ease, visibility .18s;
      display: flex; }
      .calc-embed .calc__select-content.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0); }

      .calc-embed .calc__select-content-img {
        width: 50%;
        flex: none;
        display: none;
        align-items: center;
        justify-content: center;
        background: var(--calc-bg-soft);
        border-radius: 0 0 8px 0;
        height: 190px; }
        @media (min-width: 768px) {
          .calc-embed .calc__select-content-img {
            display: flex; } }
        .calc-embed .calc__select-content-img .img {
          height: 82%; }

      .calc-embed .calc__select-content-list {
        padding: 10px 18px 16px;
        min-width: 50%;
        width: 100%; }

      .calc-embed .calc__select-content-item {
        margin-bottom: 4px;
        padding: 8px 6px;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-weight: 400;
        transition: background .15s ease; }
        .calc-embed .calc__select-content-item:hover {
          background: rgba(255, 22, 38, 0.05); }
        .calc-embed .calc__select-content-item:last-child {
          margin-bottom: 0; }

        .calc-embed .calc__select-content-item .img {
          width: 190px;
          height: 96px; }
          @media (min-width: 768px) {
            .calc-embed .calc__select-content-item .img {
              display: none !important; } }
        .calc-embed .calc__select-content-item .img img {
          border-radius: 8px; }

        .calc-embed .calc__select-content-item-input {
          display: flex;
          align-items: center;
          width: 72px;
          height: 28px;
          border: 1.5px solid var(--calc-border);
          border-radius: 8px;
          font-size: 12.5px;
          font-weight: 500;
          padding-left: 8px;
          flex: none;
          transition: border-color .15s ease; }
          .calc-embed .calc__select-content-item-input:hover,
          .calc-embed .calc__select-content-item-input:focus-within {
            border-color: var(--calc-accent); }
          .calc-embed .calc__select-content-item-input input {
            border: 0;
            width: 100%;
            background: transparent;
            color: var(--calc-ink); }
          .calc-embed .calc__select-content-item-input-measure {
            width: 26px;
            flex: none;
            border-left: 1px solid var(--calc-border);
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--calc-muted);
            font-size: 11.5px; }

        .calc-embed .calc__select-content-item-label {
          color: var(--calc-ink);
          font-size: 14.5px; }

        .calc-embed .calc__select-content-item label {
          cursor: pointer;
          font-weight: 400;
          color: var(--calc-ink);
          font-size: 14.5px; }
          .calc-embed .calc__select-content-item label input {
            position: absolute;
            opacity: 0;
            visibility: hidden; }
            .calc-embed .calc__select-content-item label input:checked + span:after {
              opacity: 1;
              transform: translateY(-50%) scale(1); }
          .calc-embed .calc__select-content-item label span {
            position: relative;
            padding-left: 30px; }
            .calc-embed .calc__select-content-item label span:before {
              content: '';
              position: absolute;
              left: 0;
              top: 50%;
              transform: translateY(-50%);
              width: 18px;
              height: 18px;
              border: 1.5px solid var(--calc-border);
              border-radius: 50%; }
            .calc-embed .calc__select-content-item label span:after {
              content: '';
              position: absolute;
              left: 3px;
              top: 50%;
              transform: translateY(-50%) scale(0.4);
              width: 12px;
              height: 12px;
              border-radius: 50%;
              background: var(--calc-accent);
              transition: opacity .15s ease, transform .15s ease;
              opacity: 0; }

    .calc-embed .calc__select-options {
      padding: 6px 0;
      list-style: none;
      width: 100%; }

    .calc-embed .calc__select-option {
      padding: 9px 18px;
      font-size: 15px;
      color: var(--calc-ink);
      cursor: pointer;
      transition: background 0.15s; }
      .calc-embed .calc__select-option:hover, .calc-embed .calc__select-option:focus {
        background-color: rgba(255, 22, 38, 0.06); }
      .calc-embed .calc__select-option.active {
        color: var(--calc-accent);
        font-weight: 600; }

    .calc-embed .calc__select-options-divider {
      padding: 10px 18px 6px;
      margin-top: 4px;
      border-top: 1px solid var(--calc-border);
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: .04em;
      color: var(--calc-muted);
      cursor: default; }

  /* text input */
  .calc-embed .calc__input {
    position: relative;
    padding: 0;
    font-size: 15px;
    display: flex;
    align-items: center;
    background: var(--calc-bg-soft);
    border: 1.5px solid transparent;
    border-radius: 8px;
    user-select: none;
    gap: 8px;
    transition: border-color .2s ease, background .2s ease, box-shadow .2s ease; }
    .calc-embed .calc__input:hover {
      border-color: rgba(255, 22, 38, 0.35); }
    .calc-embed .calc__input:focus-within {
      background: #fff;
      border-color: var(--calc-accent);
      box-shadow: 0 0 0 3px rgba(255, 22, 38, 0.08); }

    .calc-embed .calc__input-value {
      padding: 14px 16px;
      flex-grow: 1;
      min-width: 0;
      position: relative; }
      .calc-embed .calc__input-value label {
        position: absolute;
        left: 15px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--calc-muted);
        pointer-events: none;
        background: transparent;
        padding: 0 2px;
        white-space: nowrap;
        transition: .15s; }
      .calc-embed .calc__input-value input {
        background: none;
        border: 0;
        width: 100%;
        color: var(--calc-ink);
        font-weight: 500; }
        .calc-embed .calc__input-value input:focus ~ label, .calc-embed .calc__input-value input:not(:placeholder-shown) ~ label {
          top: 2px;
          font-size: 11.5px;
          background: #fff; }

    .calc-embed .calc__input-measure {
      width: 42px;
      height: 48px;
      flex: none;
      border-left: 1.5px solid var(--calc-border);
      display: flex;
      align-items: center;
      justify-content: center;
      text-transform: uppercase;
      color: var(--calc-muted);
      font-weight: 700;
      font-size: 12.5px; }

  /* highlight for required fields left empty on "Рассчитать" click */
  .calc-embed .calc__item--error {
    background: rgba(255, 22, 38, 0.05);
    border-color: var(--calc-accent) !important;
    animation: calc-embed-shake .25s; }
    .calc-embed .calc__item--error .calc__input-value label {
      color: var(--calc-accent); }

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

  /* result sidebar — светлая карточка с мягкой тенью, без красной полосы сверху */
  .calc-embed .calc__total {
    width: 340px;
    max-width: 100%;
    flex: none;
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--calc-border);
    border-radius: 8px;
    padding: 28px 22px;
    box-shadow: 0 16px 36px rgba(13, 12, 54, 0.1); }
    @media (min-width: 992px) {
      .calc-embed .calc__total {
        position: sticky;
        top: 20px; } }

    .calc-embed .calc__total-top {
      display: flex;
      align-items: baseline;
      flex-wrap: wrap;
      justify-content: space-between;
      padding-bottom: 18px;
      margin-bottom: 16px;
      border-bottom: 1px solid var(--calc-border); }
      .calc-embed .calc__total-top-label {
        font-size: 14px;
        font-weight: 600;
        color: var(--calc-ink);
        width: 100%;
        margin-bottom: 6px; }
      .calc-embed .calc__total-top-note {
        font-size: 12.5px;
        line-height: 1.5;
        color: var(--calc-muted);
        margin-bottom: 24px; }
    .calc-embed .calc__total-result {
      color: var(--calc-accent);
      font-size: 32px;
      font-weight: 800;
      line-height: 1; }
      .calc-embed .calc__total-result span,
      .calc-embed .calc__total-result b,
      .calc-embed .calc__total-result strong {
        /* Сайтовый общий CSS сбрасывает font-weight у <span> (и, возможно,
           других тегов) — без явного переопределения здесь цифра результата
           выглядит нежирной на фоне жирного "шт." рядом с ней. */
        font-size: 32px;
        font-weight: 800; }
    .calc-embed .calc__total-price {
      display: none;
      width: 100%;
      margin-top: 6px;
      font-size: 16px;
      font-weight: 600;
      color: var(--calc-ink); }
      .calc-embed .calc__total-price span,
      .calc-embed .calc__total-price b,
      .calc-embed .calc__total-price strong {
        font-weight: 600; }

  /* когда карточка растянута по высоте до кнопки "Рассчитать" слева, форма заявки
     прижимается к низу, а не остаётся сразу под текстом плашки */
  .calc-embed .calc__form {
    margin-top: auto; }

  .calc-embed .calc__form-input {
    margin-bottom: 14px; }
    .calc-embed .calc__form-input input {
      width: 100%;
      background: var(--calc-bg-soft);
      border: 1.5px solid var(--calc-border);
      border-radius: 8px;
      padding: 14px 16px;
      font-size: 15px;
      color: var(--calc-ink);
      transition: border-color .15s ease, box-shadow .15s ease, background .15s ease; }
      .calc-embed .calc__form-input input::placeholder {
        color: var(--calc-muted); }
      .calc-embed .calc__form-input input:focus {
        background: #fff;
        border-color: var(--calc-accent);
        box-shadow: 0 0 0 3px rgba(255, 22, 38, 0.08);
        outline: none; }

  .calc-embed .calc__form-submit {
    margin-bottom: 14px; }
    .calc-embed .calc__form-submit button {
      width: 100%;
      background: var(--calc-accent);
      color: #fff;
      border: none;
      border-radius: 8px;
      padding: 13px 20px 14px;
      font-size: 16px;
      font-weight: 500;
      text-align: center;
      cursor: pointer;
      box-shadow: 0 8px 20px rgba(255, 22, 38, 0.35);
      transition: background .2s, transform .15s ease, box-shadow .15s ease; }
      .calc-embed .calc__form-submit button:hover {
        background: var(--calc-accent-dark);
        transform: translateY(-1px);
        box-shadow: 0 10px 24px rgba(255, 22, 38, 0.4); }

  .calc-embed .calc__calculate {
    display: inline-block;
    background: var(--calc-accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 13px 32px 14px;
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    text-transform: none;
    cursor: pointer;
    transition: background .2s; }
    .calc-embed .calc__calculate:hover {
      background: var(--calc-accent-dark); }

  .calc-embed .calc__agreement {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    margin-bottom: 16px;
    color: var(--calc-muted);
    font-size: 12px;
    line-height: 1.5;
    cursor: pointer; }
    .calc-embed .calc__agreement a {
      color: var(--calc-accent); }
    .calc-embed .calc__agreement input[type="checkbox"] {
      position: absolute;
      width: 0;
      height: 0;
      opacity: 0; }
    .calc-embed .calc__agreement-box {
      position: relative;
      flex: none;
      width: 17px;
      height: 17px;
      margin-top: 1px;
      border: 1.5px solid var(--calc-border);
      border-radius: 4px;
      transition: border-color .15s ease, background .15s ease; }
      .calc-embed .calc__agreement input[type="checkbox"]:checked ~ .calc__agreement-box {
        background: var(--calc-accent);
        border-color: var(--calc-accent); }
        .calc-embed .calc__agreement input[type="checkbox"]:checked ~ .calc__agreement-box:after {
          content: '';
          position: absolute;
          left: 5px;
          top: 2px;
          width: 4px;
          height: 8px;
          border: solid #fff;
          border-width: 0 2px 2px 0;
          transform: rotate(45deg); }
      .calc-embed .calc__agreement input[type="checkbox"]:invalid ~ .calc__agreement-box {
        border-color: var(--calc-accent); }

.calc-embed .img {
  display: none; }
  .calc-embed .img.active {
    display: flex;
    align-items: center;
    justify-content: center; }
  .calc-embed .img img {
    max-width: 100%;
    max-height: 100%; }