/* calc-wizard.css — стили калькулятора-конструктора ЗОНТ73 v3.0 */
/* Использует только CSS-переменные из style.css */

/* ─── Секция калькулятора ────────────────────────────────────────────────── */
.calc-section {
  padding: 64px 0;
}

/* ─── Progress bar ──────────────────────────────────────────────────────── */
.calc-wizard__progress {
  margin-bottom: 32px;
}
.calc-wizard__progress-bar {
  background: var(--line);
  border-radius: var(--r-input);
  height: 6px;
  overflow: hidden;
  margin-bottom: 8px;
}
.calc-wizard__progress-bar span {
  display: block;
  height: 100%;
  background: var(--amber);
  border-radius: var(--r-input);
  transition: width 0.35s ease;
}
.calc-wizard__progress-label {
  font-size: 14px;
  color: var(--ink);
  font-weight: 600;
}
.calc-wizard__progress-hint {
  font-size: 13px;
  color: #718096;
  margin-top: 4px;
}
.calc-wizard__progress-hint strong {
  color: var(--amber);
}

/* ─── Двухколоночный layout ─────────────────────────────────────────────── */
.calc-wizard {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 32px;
  align-items: start;
}
@media (max-width: 900px) {
  .calc-wizard {
    grid-template-columns: 1fr;
  }
  .calc-wizard__panel {
    position: static !important;
  }
}

/* ─── Шаги ──────────────────────────────────────────────────────────────── */
.calc-wizard__steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.calc-step {
  border: 1.5px solid var(--line);
  border-radius: var(--r-card);
  overflow: hidden;
  background: #fff;
  transition: border-color 0.2s;
}
.calc-step--active {
  border-color: var(--amber);
  box-shadow: var(--shadow-sm));
}
.calc-step--active .calc-step__title {
  color: var(--amber);
}

.calc-step__title {
  font-size: 15px;
  font-weight: 700;
  padding: 14px 16px;
  margin: 0;
  background: #f8fafc;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  user-select: none;
}
.calc-step--active .calc-step__title {
  background: #fff5ed;
  border-bottom-color: var(--amber);
}
.calc-step > div,
.calc-step > .calc-step__options {
  padding: 16px;
  display: none;
}
.calc-step--active > div,
.calc-step--active > .calc-step__options {
  display: block;
}
/* Нюанс: дети шага которые не .calc-step__title — показывать только активный */
.calc-step > *:not(.calc-step__title) {
  display: none;
}
.calc-step--active > *:not(.calc-step__title) {
  display: block;
}
/* Для radiogroup-обёрток */
.calc-step--active .calc-step__options { display: flex; flex-wrap: wrap; gap: 10px; }
.calc-step--active .calc-dims         { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.calc-step--active .calc-chips        { display: flex; flex-wrap: wrap; gap: 8px; }
.calc-step--active .calc-colors       { display: flex; flex-wrap: wrap; gap: 8px; }

/* ─── Карточки формы крыши ───────────────────────────────────────────────── */
.calc-roof-grid {
  display: grid !important;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
@media (max-width: 480px) {
  .calc-roof-grid { grid-template-columns: 1fr 1fr; }
}

.calc-roof-card {
  cursor: pointer;
  display: block;
}
.calc-roof-card input { display: none; }
.calc-roof-card__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px;
  border: 1.5px solid var(--line);
  border-radius: var(--r-input);
  text-align: center;
  background: #f8fafc;
  transition: var(--transition, all .2s);
}
.calc-roof-card input:checked + .calc-roof-card__inner {
  border-color: var(--amber);
  background: #fff5ed;
  box-shadow: 0 0 0 2px rgba(249,115,22,.15);
}
.calc-roof-card__icon { width: 72px; height: 44px; display: block; }
.calc-roof-card__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}
.calc-roof-card__hint {
  font-size: 11px;
  color: #718096;
  line-height: 1.3;
}

/* ─── Размеры + пресеты ──────────────────────────────────────────────────── */
.calc-size-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}
.calc-preset-btn {
  padding: 5px 11px;
  border: 1.5px solid var(--line);
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  background: #fff;
  transition: var(--transition, all .2s);
  color: var(--ink);
}
.calc-preset-btn:hover,
.calc-preset-btn--active {
  border-color: var(--amber);
  background: #fff5ed;
  color: var(--amber);
}

.calc-dims {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.calc-dim-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.calc-dim-field label,
.calc-dim-field .calc-dim-label {
  font-size: 12px;
  font-weight: 600;
  color: #718096;
}
.calc-dim-field input[type="number"] {
  width: 84px;
  padding: 8px 10px;
  border: 1.5px solid var(--line);
  border-radius: var(--r-input);
  font-size: 15px;
  font-weight: 700;
  text-align: center;
  color: var(--ink);
  transition: border-color .2s;
}
.calc-dim-field input[type="number"]:focus {
  outline: none;
  border-color: var(--amber);
}
.calc-dim-sep {
  font-size: 20px;
  color: #a0aec0;
  padding-top: 18px;
}
.calc-area-val {
  font-size: 20px;
  font-weight: 800;
  color: var(--amber);
}

.calc-height-select {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.calc-label {
  font-size: 13px;
  font-weight: 600;
  color: #4a5568;
  margin-right: 4px;
}
.calc-sides-label,
label.calc-sides-label {
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
}

.calc-hint {
  font-size: 12px;
  padding: 8px 12px;
  border-radius: var(--r-input);
  margin-top: 10px;
  display: block;
}
.calc-hint--warn {
  background: #fffbeb;
  color: #92400e;
  border: 1px solid #fcd34d;
}

/* ─── Chips ──────────────────────────────────────────────────────────────── */
.calc-chip {
  cursor: pointer;
}
.calc-chip input { display: none; }
.calc-chip__label {
  display: flex;
  flex-direction: column;
  padding: 8px 14px;
  border: 1.5px solid var(--line);
  border-radius: 24px;
  font-size: 13px;
  line-height: 1.4;
  gap: 2px;
  background: #fff;
  transition: var(--transition, all .2s);
  text-align: center;
}
.calc-chip__label strong { font-weight: 700; }
.calc-chip__label small  { font-size: 11px; color: #718096; }
.calc-chip input:checked + .calc-chip__label {
  border-color: var(--amber);
  background: #fff5ed;
  color: var(--amber);
  box-shadow: 0 0 0 2px rgba(249,115,22,.12);
}
.calc-chip--sm .calc-chip__label { padding: 6px 12px; font-size: 12px; }

/* ─── Серии (packages) ───────────────────────────────────────────────────── */
.calc-packages {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.calc-package {
  cursor: pointer;
  display: block;
  position: relative;
}
.calc-package input { display: none; }
.calc-package__inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border: 1.5px solid var(--line);
  border-radius: var(--r-input);
  background: #fff;
  transition: var(--transition, all .2s);
}
.calc-package input:checked + .calc-package__badge + .calc-package__inner,
.calc-package input:checked + .calc-package__inner {
  border-color: var(--amber);
  background: #fff5ed;
  box-shadow: 0 0 0 2px rgba(249,115,22,.12);
}
.calc-package__name { font-size: 15px; font-weight: 700; }
.calc-package__spec { font-size: 12px; color: #4a5568; }
.calc-package__note { font-size: 11px; color: #718096; }
.calc-package__badge {
  position: absolute;
  top: -10px; right: 12px;
  background: var(--amber);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 12px;
}
.calc-package__details-btn {
  background: none;
  border: none;
  padding: 0;
  font-size: 12px;
  color: var(--amber);
  cursor: pointer;
  text-align: left;
  margin-top: 6px;
  font-weight: 600;
}
.calc-package__details {
  font-size: 12px;
  color: #4a5568;
  margin-top: 6px;
  padding: 8px;
  background: #f0f4f8;
  border-radius: 6px;
  line-height: 1.5;
}

/* ─── Цвет/толщина ──────────────────────────────────────────────────────── */
.calc-thickness-block,
.calc-color-block {
  margin-top: 16px;
}
.calc-color-swatch {
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.calc-color-swatch input { display: none; }
.calc-color-swatch__circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid transparent;
  transition: transform .15s, border-color .15s;
  display: block;
}
.calc-color-swatch input:checked + .calc-color-swatch__circle {
  border-color: var(--ink);
  transform: scale(1.2);
}
.calc-color-swatch__label { font-size: 10px; color: #718096; }

/* ─── Опции (водосток, снег) ──────────────────────────────────────────────── */
.calc-options { display: flex; flex-direction: column; gap: 12px; }
.calc-option__check {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.calc-option__check input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--amber);
  cursor: pointer;
  flex-shrink: 0;
}
.calc-option__text strong { display: block; font-size: 14px; }
.calc-option__text small  { font-size: 12px; color: #718096; }
.calc-option__sides {
  margin-top: 8px;
  margin-left: 28px;
  display: flex;
  gap: 12px;
}

/* ─── Правая панель (итог + форма) ─────────────────────────────────────── */
.calc-wizard__panel {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ─── SVG viewport ──────────────────────────────────────────────────────── */
.calc-iso-viewport {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #f0f4f8 0%, #e8f0fe 100%);
  border-radius: var(--r-card);
  overflow: hidden;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
}
.calc-iso-viewport svg { width: 100%; height: 100%; }

/* ─── Таблица спецификации ────────────────────────────────────────────────── */
.calc-spec-wrap {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-input);
  overflow: hidden;
}
.calc-spec-title {
  font-size: 13px;
  font-weight: 700;
  padding: 10px 14px 8px;
  background: #f8fafc;
  border-bottom: 1px solid var(--line);
  margin: 0;
  color: #4a5568;
}

.calc-spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
.calc-spec-table th,
.calc-spec-table td {
  padding: 7px 10px;
  border-bottom: 1px solid #f0f4f8;
  color: #4a5568;
  vertical-align: top;
}
.calc-spec-table th {
  font-weight: 700;
  font-size: 11px;
  color: #718096;
  background: #f8fafc;
  text-transform: uppercase;
}
.calc-spec-table td:first-child { font-weight: 600; color: var(--ink); }
.calc-spec-table__qty { text-align: right; font-weight: 700; }
.calc-spec-table tr:last-child td { border-bottom: none; }
.calc-spec-table small { display: block; font-size: 10px; color: #a0aec0; margin-top: 2px; }

/* ─── Итоговая цена ─────────────────────────────────────────────────────── */
.calc-result {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-input);
  padding: 16px;
}
.calc-result__rows { display: flex; flex-direction: column; gap: 6px; margin-bottom: 10px; }
.calc-result__row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
}
.calc-result__row--addon { color: #718096; font-size: 13px; }
.calc-result__discount {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: #22c55e;
  padding-top: 6px;
  border-top: 1px dashed #e2e8f0;
}
.calc-result__discount-sum { font-weight: 700; }
.calc-result__total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
  border-top: 2px solid var(--line);
  padding-top: 10px;
  margin-top: 6px;
}
.calc-result__total strong { color: var(--amber); font-size: 22px; }
.calc-result__note {
  font-size: 11px;
  color: #a0aec0;
  margin-top: 6px;
  margin-bottom: 0;
}

/* Кнопка «Скопировать ссылку» */
.calc-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 8px;
  padding: 4px 10px;
  font-size: 11px;
  color: #64748b;
  background: transparent;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  cursor: pointer;
  transition: color .15s, border-color .15s;
}
.calc-share-btn:hover { color: #0f4c81; border-color: #93c5fd; }

/* Бейджи скидок */
.calc-discount-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  margin-top: 6px;
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}
.calc-discount-badge--gift     { background: #eff6ff; color: #1e40af; border-color: #bfdbfe; }
.calc-discount-badge--complete { background: #fff5ed; color: #c2410c; border-color: #fed7aa; }

/* ─── Форма + кнопки ────────────────────────────────────────────────────── */
.calc-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.calc-form__lead {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
}
.calc-form__legal {
  font-size: 11px;
  color: #a0aec0;
  margin: 0;
}
.calc-form__legal a { color: #718096; }

.calc-input--error {
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 2px rgba(239,68,68,.15) !important;
}

/* Успех */
.calc-success {
  background: #ecfdf5;
  border: 1.5px solid #a7f3d0;
  border-radius: var(--r-input);
  padding: 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}
.calc-success__icon { font-size: 36px; line-height: 1; }
.calc-success p { margin: 0; font-size: 14px; }

/* Таймер фиксации */
.calc-lock-timer {
  font-size: 12px;
  color: #4a5568;
  background: #fffbeb;
  border: 1px solid #fcd34d;
  border-radius: 6px;
  padding: 8px 12px;
  width: 100%;
  box-sizing: border-box;
  text-align: left;
}
.calc-lock-timer strong { color: #92400e; }
.calc-lock-timer a {
  display: block;
  margin-top: 4px;
  color: var(--amber);
  font-weight: 600;
  font-size: 12px;
}

/* ─── Секция engineer-trust ──────────────────────────────────────────────── */
.section--engineer-trust { padding: 48px 0; }
.engineer-trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 900px) {
  .engineer-trust-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .engineer-trust-grid { grid-template-columns: 1fr; }
}
.engineer-trust-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.engineer-trust-card__icon {
  font-size: 28px;
  line-height: 1;
}
.engineer-trust-card__title {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
}
.engineer-trust-card__text {
  font-size: 13px;
  color: #4a5568;
  line-height: 1.5;
  margin: 0;
}

/* ─── Адаптив мобильный ─────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .calc-roof-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .calc-roof-card__icon { width: 56px; height: 36px; }
  .calc-wizard__progress-hint { display: none; }
  .calc-spec-table { font-size: 11px; }
  .calc-result__total strong { font-size: 18px; }
}

/* ─── Блок «Наши работы» под калькулятором ──────────────────────────────── */
.calc-portfolio-preview {
  margin-top: 32px;
  padding: 18px 20px 20px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
}
.calc-portfolio-preview__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.calc-portfolio-preview__title {
  font-size: 14px;
  font-weight: 700;
  color: #1a202c;
  margin: 0 0 2px;
  line-height: 1.3;
}
.calc-portfolio-preview__subtitle {
  font-size: 11px;
  color: #64748b;
  margin: 0;
  line-height: 1.4;
}
.calc-portfolio-preview__more {
  font-size: 12px;
  font-weight: 500;
  color: #f97316;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 2px;
}
.calc-portfolio-preview__more:hover { text-decoration: underline; }

/* Сетка карточек */
.calc-portfolio-preview__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.calc-portfolio-preview__item {
  display: block;
  position: relative;
  overflow: hidden;
  border-radius: 9px;
  background: #e2e8f0;
  aspect-ratio: 4 / 3;
  box-shadow: 0 1px 3px rgba(0,0,0,.07), 0 0 0 1px rgba(0,0,0,.04);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.calc-portfolio-preview__item:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0,0,0,.13);
}
.calc-portfolio-preview__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.28s ease;
}
.calc-portfolio-preview__item:hover img { transform: scale(1.05); }
.calc-portfolio-preview__caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 20px 8px 6px;
  background: linear-gradient(transparent, rgba(0,0,0,.6));
  color: #fff;
  font-size: 10px;
  line-height: 1.3;
  opacity: 0.7;
  transition: opacity 0.18s;
}
.calc-portfolio-preview__item:hover .calc-portfolio-preview__caption { opacity: 1; }

/* Skeleton-загрузка */
.calc-portfolio-preview__skeleton {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.calc-portfolio-preview__skel {
  aspect-ratio: 4 / 3;
  border-radius: 9px;
  background: linear-gradient(90deg, #e8ecef 25%, #d8dde2 50%, #e8ecef 75%);
  background-size: 200% 100%;
  animation: calc-shimmer 1.4s infinite linear;
}
@keyframes calc-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@media (max-width: 600px) {
  .calc-portfolio-preview { padding: 14px 14px 16px; }
  .calc-portfolio-preview__grid,
  .calc-portfolio-preview__skeleton { grid-template-columns: repeat(2, 1fr); gap: 7px; }
}