/* KALKULATOR — strona /kalkulator-ociepleń/ */

/* Hero */
.kalkulator-page__hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  padding: var(--space-2xl) 0 var(--space-xl);
  overflow: hidden;
}
.kalkulator-page__hero::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent) 60%, transparent 100%);
}
.kalkulator-page__hero-overlay {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
}
.kalkulator-page__hero-inner { position: relative; }
.kalkulator-page__kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}
.kalkulator-page__kicker-dash {
  width: 24px;
  height: 2px;
  background: var(--color-accent);
}
.kalkulator-page__title {
  color: #fff;
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  margin: 0 0 var(--space-sm);
}
.kalkulator-page__title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--color-accent);
  margin-top: var(--space-md);
}
.kalkulator-page__lead {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.92);
  max-width: 680px;
}

/* Hero breadcrumbs transparent */
.kalkulator-page__hero .breadcrumbs {
  background: transparent;
  padding: 0;
  margin-bottom: var(--space-md);
  font-size: var(--text-sm);
}
.kalkulator-page__hero .breadcrumbs .container { padding: 0; max-width: none; }
.kalkulator-page__hero .breadcrumbs__item { color: rgba(255, 255, 255, 0.55); }
.kalkulator-page__hero .breadcrumbs__link { color: rgba(255, 255, 255, 0.8); }
.kalkulator-page__hero .breadcrumbs__link:hover { color: var(--color-accent); }
.kalkulator-page__hero .breadcrumbs__item--current { color: var(--color-accent); font-weight: 600; }

/* Tabs */
.kalkulator-page__tabs {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.kalkulator-page__tabs .container {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}
.kalkulator-page__tab {
  padding: 18px 24px;
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.kalkulator-page__tab:hover { color: var(--color-primary); }
.kalkulator-page__tab.is-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}

/* Calculator card */
.kalkulator-card {
  display: none;
  padding: var(--space-xl) 0;
  background: var(--color-bg-alt);
}
.kalkulator-card.is-active { display: block; }

.kalkulator-card__head {
  text-align: center;
  margin-bottom: var(--space-lg);
}
.kalkulator-card__title {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-dark);
  margin: 0;
}
.kalkulator-card__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin: 8px 0 0;
}
.kalkulator-card__intro {
  max-width: 640px;
  margin: var(--space-sm) auto 0;
  color: var(--color-text);
  font-size: var(--text-base);
}

/* Table */
.kalkulator-table {
  background: var(--color-bg);
  margin-bottom: var(--space-lg);
}
.kalkulator-table__head {
  display: grid;
  grid-template-columns: 1.5fr 2.5fr 1fr 0.8fr 1.2fr;
  gap: var(--space-sm);
  padding: 14px 20px;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.kalkulator-table__head-price,
.kalkulator-table__head-cons,
.kalkulator-table__head-toggle { text-align: center; }

.kalkulator-row {
  display: grid;
  grid-template-columns: 1.5fr 2.5fr 1fr 0.8fr 1.2fr;
  gap: var(--space-sm);
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-border);
  transition: background 0.15s ease, opacity 0.15s ease;
}
.kalkulator-row:last-child { border-bottom: 0; }
.kalkulator-row:hover { background: var(--color-bg-alt); }
.kalkulator-row[data-include="0"] {
  opacity: 0.45;
  background: var(--color-bg-alt);
}

.kalkulator-row__cell--name {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.kalkulator-row__name {
  font-weight: 600;
  color: var(--color-dark);
  font-size: 14px;
}
.kalkulator-row__info {
  position: relative;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  border: 0;
  cursor: help;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.kalkulator-row__tooltip {
  position: absolute;
  bottom: 130%;
  left: 50%;
  transform: translateX(-50%);
  width: 240px;
  background: var(--color-dark);
  color: #fff;
  font-size: 12px;
  line-height: 1.4;
  padding: 10px 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 10;
  text-transform: none;
  font-weight: 400;
  letter-spacing: 0;
}
.kalkulator-row__info:hover .kalkulator-row__tooltip,
.kalkulator-row__info:focus .kalkulator-row__tooltip {
  opacity: 1;
}

.kalkulator-row__select {
  width: 100%;
  padding: 10px 32px 10px 14px;
  background: var(--color-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%231E5BA8' d='M0 0l5 6 5-6z'/%3E%3C/svg%3E") no-repeat right 12px center;
  border: 1px solid var(--color-border);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text);
  appearance: none;
  cursor: pointer;
}
.kalkulator-row__select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.kalkulator-row__cell--price {
  text-align: center;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-dark);
  font-size: 15px;
}
.kalkulator-row__price-unit {
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-left: 4px;
}

.kalkulator-row__cell--cons {
  text-align: center;
  font-size: 13px;
  color: var(--color-text-muted);
}

.kalkulator-row__cell--toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.kalkulator-row__radio {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  user-select: none;
}
.kalkulator-row__radio input {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   MOBILE — pełen responsywny rewrite (≤768px)
   Każdy wiersz = pionowa karta materiału.
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
@media (max-width: 768px) {
  /* Hero mniejszy */
  .kalkulator-page__hero { padding: 28px 0 24px !important; }
  .kalkulator-page__title { font-size: 22px !important; margin-bottom: 8px !important; }
  .kalkulator-page__title::after { width: 36px; height: 3px; }
  .kalkulator-page__lead { font-size: 13px !important; line-height: 1.5; }
  .kalkulator-page__kicker { font-size: 11px; margin-bottom: 8px; }

  /* Tabs scrollable */
  .kalkulator-page__tabs .container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 0;
  }
  .kalkulator-page__tabs .container::-webkit-scrollbar { display: none; }
  .kalkulator-page__tab {
    flex-shrink: 0;
    padding: 12px 14px !important;
    font-size: 12px !important;
    letter-spacing: 0.05em !important;
    white-space: nowrap;
  }

  /* Card head */
  .kalkulator-card { padding: 16px 0; }
  .kalkulator-card__head { margin-bottom: 16px; }
  .kalkulator-card__title { font-size: 18px !important; }
  .kalkulator-card__subtitle { font-size: 12px !important; }
  .kalkulator-card__intro { font-size: 13px !important; margin: 10px 0 0; }

  /* Tabela header — ukryty */
  .kalkulator-table__head { display: none !important; }

  /* Tabela jako kontener kart */
  .kalkulator-table {
    background: transparent !important;
    border: 0 !important;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
  }

  /* Każdy wiersz = kompaktowa karta materiału */
  .kalkulator-row {
    display: grid !important;
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 12px 14px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    border-left: 3px solid var(--color-accent);
    position: relative;
  }
  .kalkulator-row:hover { background: #fff; }
  .kalkulator-row[data-include="0"] {
    border-left-color: var(--color-text-muted);
    opacity: 0.6;
  }

  /* Nazwa materiału — top */
  .kalkulator-row__cell--name {
    display: flex !important;
    gap: 6px;
    padding: 0;
    border-bottom: 0;
  }
  .kalkulator-row__name {
    font-size: 14px !important;
    font-weight: 700 !important;
    color: var(--color-dark);
    letter-spacing: 0.01em;
  }
  .kalkulator-row__info {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
  }
  .kalkulator-row__tooltip {
    width: 220px;
    font-size: 11.5px;
    bottom: 130%;
    left: auto;
    right: 0;
    transform: none;
  }

  /* Select — full width */
  .kalkulator-row__cell--product { width: 100%; }
  .kalkulator-row__select {
    font-size: 13px;
    padding: 9px 30px 9px 12px;
    background-position: right 12px center;
    background-color: var(--color-bg-alt);
  }

  /* Dolna linia: CENA · ZUŻYCIE · UWZGLĘDNIĆ — wszystko w jednym rzędzie */
  .kalkulator-row__cell--price,
  .kalkulator-row__cell--cons,
  .kalkulator-row__cell--toggle {
    display: inline-flex !important;
    align-items: center;
    text-align: left !important;
    justify-content: flex-start !important;
    padding: 0;
  }

  /* Wrapper który zbiera 3 cells w jeden rząd przez grid */
  .kalkulator-row {
    grid-template-areas:
      "name"
      "product"
      "meta";
  }
  .kalkulator-row__cell--name    { grid-area: name; }
  .kalkulator-row__cell--product { grid-area: product; }
  .kalkulator-row__cell--price,
  .kalkulator-row__cell--cons,
  .kalkulator-row__cell--toggle  { grid-area: meta; }

  /* Meta row — flex z separatorami */
  .kalkulator-row__cell--price,
  .kalkulator-row__cell--cons,
  .kalkulator-row__cell--toggle {
    grid-row: 3;
  }

  /* Subtle hack: pseudo-elements separators between price/cons/toggle */
  .kalkulator-row__cell--price::before { content: ''; display: none; }
  .kalkulator-row__cell--cons::before { content: ''; display: none; }
  .kalkulator-row__cell--toggle::before { content: ''; display: none; }

  .kalkulator-row__cell--price {
    grid-column: 1;
    font-size: 14px;
    font-weight: 800;
    color: var(--color-primary-dark);
    font-family: var(--font-heading);
  }
  .kalkulator-row__price-unit {
    font-size: 10px;
    color: var(--color-text-muted);
    margin-left: 2px;
    font-weight: 600;
  }
  .kalkulator-row__cell--cons {
    grid-column: 2;
    font-size: 11.5px;
    color: var(--color-text-muted);
    padding-left: 10px;
    margin-left: 10px;
    border-left: 1px solid var(--color-border);
    justify-content: center !important;
  }
  .kalkulator-row__cell--toggle {
    grid-column: 3;
    justify-content: flex-end !important;
    gap: 10px !important;
    padding-left: 10px;
    margin-left: 10px;
    border-left: 1px solid var(--color-border);
  }

  /* Trzy kolumny meta */
  .kalkulator-row > .kalkulator-row__cell--price,
  .kalkulator-row > .kalkulator-row__cell--cons,
  .kalkulator-row > .kalkulator-row__cell--toggle {
    align-self: center;
  }
  .kalkulator-row {
    grid-template-areas:
      "name name name"
      "product product product"
      "price cons toggle";
    grid-template-columns: auto 1fr auto;
  }
  .kalkulator-row__cell--name { grid-area: name; }
  .kalkulator-row__cell--product { grid-area: product; }
  .kalkulator-row__cell--price { grid-area: price; }
  .kalkulator-row__cell--cons { grid-area: cons; }
  .kalkulator-row__cell--toggle { grid-area: toggle; }

  .kalkulator-row__radio {
    font-size: 12px;
    padding: 2px 0;
    gap: 4px;
  }
  .kalkulator-row__radio input { width: 16px; height: 16px; }

  /* Summary — 1 col czytelny stack */
  .kalkulator-summary {
    border: 0 !important;
    border-top: 4px solid var(--color-accent) !important;
    margin-top: 16px;
  }
  .kalkulator-summary__total,
  .kalkulator-summary__area,
  .kalkulator-summary__investment {
    padding: 14px 16px !important;
    align-items: flex-start;
  }
  .kalkulator-summary__investment {
    padding: 18px 16px !important;
  }
  .kalkulator-summary__label {
    font-size: 10px !important;
    letter-spacing: 0.12em;
  }
  .kalkulator-summary__value { font-size: 22px !important; }
  .kalkulator-summary__value--big { font-size: 30px !important; }
  .kalkulator-summary__unit { font-size: 13px; }
  .kalkulator-summary__input {
    font-size: 16px !important;
    padding: 10px 14px !important;
    width: 100% !important;
    max-width: 200px;
  }

  /* Actions — full width buttons */
  .kalkulator-card__actions {
    flex-direction: column;
    gap: 10px;
  }
  .kalkulator-card__actions .btn {
    width: 100%;
    justify-content: center;
    padding: 14px 20px;
    font-size: 13px;
  }
}

/* Bardzo małe telefony */
@media (max-width: 380px) {
  .kalkulator-row { padding: 12px; }
  .kalkulator-row__name { font-size: 14px !important; }
  .kalkulator-row__select { font-size: 13px; padding: 10px 32px 10px 12px; }
  .kalkulator-summary__value { font-size: 20px !important; }
  .kalkulator-summary__value--big { font-size: 26px !important; }
  .kalkulator-page__tab { padding: 10px 12px !important; font-size: 11px !important; }
}

/* Summary */
.kalkulator-summary {
  display: grid;
  grid-template-columns: 1fr 1fr 1.4fr;
  gap: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-accent);
  margin-bottom: var(--space-lg);
}
@media (max-width: 768px) {
  .kalkulator-summary { grid-template-columns: 1fr; }
}

.kalkulator-summary__total,
.kalkulator-summary__area,
.kalkulator-summary__investment {
  padding: var(--space-md) var(--space-lg);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.kalkulator-summary__investment {
  border-right: 0;
  background: var(--color-primary);
  color: #fff;
}
@media (max-width: 768px) {
  .kalkulator-summary__total,
  .kalkulator-summary__area,
  .kalkulator-summary__investment {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }
  .kalkulator-summary__investment { border-bottom: 0; }
}

.kalkulator-summary__label {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}
.kalkulator-summary__investment .kalkulator-summary__label {
  color: rgba(255, 255, 255, 0.75);
}
.kalkulator-summary__value {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  color: var(--color-dark);
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}
.kalkulator-summary__value--big {
  font-size: clamp(28px, 4vw, 44px);
  color: var(--color-accent);
}
.kalkulator-summary__unit {
  font-size: 14px;
  font-weight: 600;
  margin-left: 4px;
  color: var(--color-text-muted);
}
.kalkulator-summary__value--big .kalkulator-summary__unit {
  color: rgba(255, 255, 255, 0.7);
}

.kalkulator-summary__input {
  padding: 10px 14px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-dark);
  width: 100%;
  appearance: textfield;
  font-variant-numeric: tabular-nums;
}
.kalkulator-summary__input:focus {
  outline: none;
  border-color: var(--color-primary);
  border-width: 2px;
  padding: 9px 13px;
}

/* Actions */
.kalkulator-card__actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* Print styling */
@media print {
  .header,
  .footer,
  .footer-cta,
  .footer-newsletter,
  .kalkulator-page__hero,
  .kalkulator-page__tabs,
  .kalkulator-card__actions { display: none !important; }
  .kalkulator-card { display: block !important; padding: 0; background: #fff; }
  .kalkulator-summary { border-top-color: #000; }
  .kalkulator-summary__investment { background: #f5f5f5; color: #000; }
  .kalkulator-summary__investment .kalkulator-summary__label,
  .kalkulator-summary__value--big { color: #000; }
}