:root {
  --bg: #383838;
  --ink: #FFFFFF;
  --paper: #383838;
  --paper2: #2B2B2B;
  --dark: #242424;
  --dark2: #2D2D2D;
  --red: #dc2626;
  --red-d: #9e1414;
  --blue: #2563eb;
  --blue-d: #1d4ed8;
  --orange: #d66140;
  --amber: #f5be6e;
  --amber-d: #e0a552;
  --grey: #999999;
  --line: #525252;
  --line-2: #444444;
  --green: #48a359;
  --green-d: #357a42;
  --red-l: rgba(220, 38, 38, 0.25);
  --amber-l: rgba(245, 190, 110, 0.15);
  --muted: #999999;
  --white: #2D2D2D;
  --radius: 6px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: #383838;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: #383838;
  color: var(--ink);
  line-height: 1.5;
}

header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--dark);
  border-bottom: 4px solid var(--amber);
}

.head-in {
  max-width: 1360px;
  margin: 0 auto;
  padding: 13px 26px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.logo {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 27px;
  color: #fff;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.logo span {
  color: var(--amber);
}

.tag {
  color: var(--amber);
  font-family: 'Oswald', sans-serif;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  border-left: 2px solid var(--grey);
  padding-left: 14px;
}

.head-actions {
  margin-left: auto;
  display: flex;
  gap: 9px;
}

.btn {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .04em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius);
  padding: 10px 15px;
  cursor: pointer;
  transition: .14s;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.btn-ghost {
  background: rgba(255, 255, 255, .12);
  color: #fff;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, .24);
}

.btn-amber {
  background: var(--amber);
  color: #1A1A1C;
  font-weight: 700;
}

.btn-amber:hover {
  background: var(--amber-d);
}

.btn-blue {
  background: var(--red);
  color: #fff;
}

.btn-blue:hover {
  background: var(--red-d);
}

.wrap {
  max-width: 1360px;
  margin: 0 auto;
  padding: 26px 26px 80px;
  background-color: #383838;
}

.hero {
  background: var(--dark);
  border: 2px solid var(--line);
  border-left: 10px solid var(--amber);
  padding: 26px 30px;
  color: #fff;
  margin-bottom: 22px;
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.4);
}

.hero h1 {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 32px;
  text-transform: uppercase;
  letter-spacing: .02em;
  line-height: 1.05;
}

.hero p {
  color: var(--grey);
  font-size: 14.5px;
  margin-top: 10px;
  max-width: 900px;
}

.energy {
  background: var(--white);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 22px;
  box-shadow: 5px 5px 0 rgba(0, 0, 0, 0.4);
}

.energy-label {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 14px;
}

.seg {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 9px;
}

.seg button {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .02em;
  padding: 13px 8px;
  border: 2px solid var(--line);
  background: var(--dark);
  color: var(--ink);
  border-radius: var(--radius);
  cursor: pointer;
  transition: .14s;
  text-align: center;
  line-height: 1.2;
}

.seg button small {
  display: block;
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 10.5px;
  text-transform: none;
  letter-spacing: 0;
  color: var(--muted);
  margin-top: 4px;
}

.seg button:hover {
  border-color: var(--amber);
  background: var(--paper2);
}

/* Цвета кнопок топлива по требованиям */
.seg button[data-energy="gas"].active {
  background: #2563eb;
  border-color: #2563eb;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}
.seg button[data-energy="gas"].active small {
  color: #dbeafe;
}

.seg button[data-energy="diesel"].active {
  background: #dc2626;
  border-color: #dc2626;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.4);
}
.seg button[data-energy="diesel"].active small {
  color: #fecaca;
}

.seg button[data-energy="gas_reserve"].active {
  background: linear-gradient(135deg, #1d4ed8 0%, #dc2626 100%);
  border-color: #dc2626;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.4);
}
.seg button[data-energy="gas_reserve"].active small {
  color: #f1f5f9;
}

.seg button[data-energy="pellets"].active,
.seg button[data-energy="coal"].active {
  background: #f5be6e;
  border-color: #f5be6e;
  color: #1A1A1C;
  box-shadow: 0 4px 12px rgba(245, 190, 110, 0.4);
}
.seg button[data-energy="pellets"].active small,
.seg button[data-energy="coal"].active small {
  color: #383838;
  font-weight: 500;
}

.seg button[data-energy="electric"].active {
  background: #7c3aed;
  border-color: #7c3aed;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.4);
}
.seg button[data-energy="electric"].active small {
  color: #ede9fe;
}

.seg button[data-energy="mazut"].active,
.seg button[data-energy="oil"].active {
  background: #d66140;
  border-color: #d66140;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(214, 97, 64, 0.4);
}
.seg button[data-energy="mazut"].active small,
.seg button[data-energy="oil"].active small {
  color: #ffedd5;
}

.sec {
  background: var(--white);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: 5px 5px 0 rgba(0, 0, 0, 0.4);
}

.sec-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: var(--dark);
  color: #fff;
}

.sec-num {
  width: 30px;
  height: 30px;
  flex: none;
  background: var(--amber);
  color: #1A1A1C;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 16px;
}

.sec-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: #FFFFFF;
}

.sec-body {
  padding: 8px 20px 18px;
}

.field {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 18px;
  align-items: start;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-2);
}

.field:last-child {
  border-bottom: none;
}

.field>label {
  font-family: 'Oswald', sans-serif;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--ink);
  padding-top: 7px;
  text-transform: uppercase;
}

.field .ctrl {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.hint {
  font-size: 12.5px;
  color: var(--muted);
}

.calc-note {
  font-size: 12.5px;
  color: var(--amber);
  font-weight: 600;
}

input[type=text],
input[type=number],
select,
textarea {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  color: var(--ink);
  background: var(--paper2);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 12px;
  width: 100%;
  transition: .12s;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--amber);
  background: #202020;
}

input[readonly] {
  background: #202020;
  color: var(--amber);
  font-weight: 700;
  cursor: default;
}

.row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.row>* {
  flex: 1;
  min-width: 90px;
}

.suffix {
  display: flex;
  align-items: center;
  gap: 8px;
}

.suffix span {
  font-size: 13.5px;
  color: var(--muted);
  white-space: nowrap;
}

.chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  font-family: 'Inter', sans-serif;
  font-size: 13.5px;
  font-weight: 600;
  padding: 8px 14px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--dark);
  color: var(--ink);
  cursor: pointer;
  transition: .12s;
  user-select: none;
}

.chip:hover {
  background: var(--amber-l);
  border-color: var(--amber);
}

.chip.on {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
}

.chip:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
}

.chip.disabled {
  opacity: .35;
  cursor: not-allowed;
  background: #202020;
  color: var(--muted);
  border-color: var(--line-2);
}

.chip.disabled:hover {
  background: #202020;
}

.toggle {
  display: inline-flex;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.toggle button {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  padding: 8px 15px;
  border: none;
  background: var(--dark);
  color: var(--muted);
  cursor: pointer;
  transition: .12s;
}

.toggle button.on-yes {
  background: var(--amber);
  color: #1A1A1C;
}

.toggle button.on-no {
  background: var(--grey);
  color: #fff;
}

.cond .trig {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: 'Oswald', sans-serif;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--amber);
  background: var(--amber-l);
  border: 1.5px solid var(--amber);
  border-radius: var(--radius);
  padding: 3px 9px;
  margin-bottom: 9px;
}

.collapsed {
  display: none !important;
}

.linkbtn {
  background: none;
  border: none;
  color: var(--orange);
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: underline;
  padding: 0;
}

.warnbox {
  background: var(--red-l);
  border: 2px solid var(--red);
  border-left: 8px solid var(--red);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 18px;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.4);
}

.warnbox h3 {
  font-family: 'Oswald', sans-serif;
  font-size: 14px;
  color: #FF8A8A;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 8px;
}

.warnbox ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.warnbox li {
  font-size: 13.5px;
  color: #FFAAAA;
  display: flex;
  gap: 8px;
  font-weight: 500;
}

.warnbox li::before {
  content: "⚠";
  flex: none;
}

.output {
  background: var(--dark);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-top: 8px;
  color: #fff;
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.4);
}

.output h2 {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: .03em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.out-actions {
  margin-top: 8px;
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.price-context {
  font-family: 'Oswald', sans-serif;
  font-size: 12.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--grey);
  margin-top: 6px;
}

.price-main {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 42px;
  letter-spacing: .01em;
  color: var(--amber);
  margin-top: 8px;
  line-height: 1.1;
}

.price-main sup {
  font-size: 16px;
  font-weight: 500;
  margin-left: 6px;
  color: var(--grey);
}

.price-range {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  color: var(--grey);
  margin-top: 6px;
}

.price-range b {
  color: #fff;
}

.price-note {
  font-size: 12.5px;
  color: var(--grey);
  margin-top: 16px;
  font-style: italic;
  max-width: 600px;
}

.output-row {
  display: flex;
  gap: 20px;
  align-items: stretch;
}

.output-row .output {
  flex: 1.3;
  margin-top: 0;
}

.contact-card {
  flex: 1;
  background: var(--white);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-card h3 {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--ink);
  margin-bottom: 2px;
}

.contact-card .sub {
  font-size: 12.5px;
  color: var(--muted);
  margin-top: -6px;
  margin-bottom: 2px;
}

.cf-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.cf-field label {
  font-family: 'Oswald', sans-serif;
  font-weight: 500;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--muted);
}

.cf-field input[type=text],
.cf-field input[type=email],
.cf-field input[type=tel],
.cf-field textarea {
  font-family: 'Inter', sans-serif;
  font-size: 13.5px;
  padding: 8px 11px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper2);
  color: #fff;
  width: 100%;
}

.cf-field input:focus,
.cf-field textarea:focus {
  outline: none;
  border-color: var(--amber);
  background: #202020;
}

textarea,
.cf-field textarea {
  resize: none;
  min-height: 95px;
}

.char-counter {
  font-size: 11.5px;
  color: var(--muted);
  text-align: right;
  margin-top: 4px;
  font-weight: 500;
}

.char-counter.limit-near {
  color: var(--amber);
}

.char-counter.limit-reached {
  color: var(--red);
  font-weight: 700;
}

.cf-field input[type=file] {
  display: none;
}

.file-upload-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--paper2);
  color: var(--ink);
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: .03em;
  cursor: pointer;
  transition: .12s;
}

.file-upload-btn:hover {
  border-color: var(--amber);
  color: var(--amber);
  background: var(--amber-l);
}

.file-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 4px;
}

.file-item {
  font-size: 12px;
  color: var(--ink);
  background: var(--paper2);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  padding: 5px 9px;
  display: flex;
  align-items: center;
  justify-content: space-between;

  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
/* --- Полноширинное отображение таблиц в блоках калькулятора --- */
.field.field-full,
.field-full {
  grid-template-columns: 1fr !important;
  gap: 10px !important;
}

.field.field-full > label,
.field-full > label {
  padding-top: 0;
  width: 100%;
  font-family: 'Oswald', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: #F5BE6E;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.field.field-full .ctrl,
.field-full .ctrl {
  width: 100%;
}

/* --- Премиальный дизайн и выравнивание таблицы электроприёмников --- */
.elec-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13.5px;
  background: #28282C;
  border: 1px solid #444449;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  margin-top: 6px;
}

.elec-table table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.elec-table th {
  background: #232327;
  color: #F5BE6E;
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 11px 16px;
  text-align: left;
  border-bottom: 2px solid #383838;
}

.elec-table th:nth-child(1) { width: 38%; text-align: left; }
.elec-table th:nth-child(2) { width: 10%; text-align: right; }
.elec-table th:nth-child(3) { width: 12%; text-align: right; }
.elec-table th:nth-child(4) { width: 12%; text-align: right; }
.elec-table th:nth-child(5) { width: 28%; text-align: left; }

.elec-table td {
  padding: 10px 16px;
  border-top: 1px solid #38383C;
  color: #E2E8F0;
  vertical-align: middle;
  line-height: 1.4;
}

.elec-table tbody tr {
  transition: background-color 0.15s ease;
}

.elec-table tbody tr:hover {
  background-color: rgba(245, 190, 110, 0.08);
}

.elec-table td.n,
.elec-table th.n {
  text-align: right;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  font-size: 13.5px;
  color: #FFFFFF;
  font-variant-numeric: tabular-nums;
}

.elec-table tr.tot {
  background: rgba(245, 190, 110, 0.12);
}

.elec-table tr.tot td {
  background: transparent;
  color: #F5BE6E;
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-top: 2px solid #F5BE6E;
  padding: 12px 16px;
}

.elec-table tr.tot td.n {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 15px;
  color: #F5BE6E;
}

.elec-table td:nth-child(5) {
  color: #9AA0A6;
  font-size: 12.5px;
}

@media (max-width: 720px) {
  .elec-table th:nth-child(5),
  .elec-table td:nth-child(5) {
    display: none;
  }
  .elec-table th:nth-child(1) { width: 45%; }
  .elec-table th:nth-child(2) { width: 15%; }
  .elec-table th:nth-child(3) { width: 20%; }
  .elec-table th:nth-child(4) { width: 20%; }
}

.cf-consent {
  font-size: 11.5px;
  color: var(--muted);
  display: flex;
  align-items: flex-start;
  gap: 7px;
  line-height: 1.35;
  margin-top: 2px;
  cursor: pointer;
}

.cf-consent input[type=checkbox] {
  margin-top: 2px;
  accent-color: var(--amber);
}

.cf-consent a {
  color: var(--orange);
  text-decoration: underline;
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  background: var(--amber);
  color: #1A1A1C;
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .03em;
  padding: 12px 20px;
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.5);

  opacity: 0;
  transform: translateY(12px);
  transition: .22s cubic-bezier(.2, 0, 0, 1);
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 150;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}

.modal-backdrop.show {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: var(--dark);
  border: 2px solid var(--line);
  border-left: 8px solid var(--amber);
  border-radius: var(--radius);
  width: 90%;
  max-width: 640px;
  padding: 24px 28px;
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.5);
  transform: scale(0.95);
  transition: transform .2s ease;
}

.modal-backdrop.show .modal-box {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line-2);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.modal-header h3 {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 20px;
  text-transform: uppercase;
  color: var(--amber);
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--muted);
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  color: #fff;
}

.modal-body {
  font-size: 13.5px;
  color: var(--grey);
  line-height: 1.5;
  max-height: 400px;
  overflow-y: auto;
}

.modal-body strong {
  color: #fff;
}

@media (max-width: 768px) {
  .seg {
    grid-template-columns: repeat(2, 1fr);
  }

  .field {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .output-row {
    flex-direction: column;
  }
}