.energy-page {
  padding: 42px 0 84px;
  overflow: clip;
}

.energy-page * {
  box-sizing: border-box;
}

.energy-page h1,
.energy-page h2,
.energy-page h3,
.energy-page p {
  margin-top: 0;
}

.energy-page h1 {
  max-width: 820px;
  margin-bottom: 18px;
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  line-height: 0.98;
}

.energy-page h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
}

.energy-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 0.38fr);
  gap: 34px;
  align-items: end;
  padding: 42px 0 54px;
}

.energy-hero-copy > p:last-of-type {
  max-width: 780px;
  color: var(--ink-soft);
  font-size: 1.08rem;
  line-height: 1.65;
}

.energy-hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.energy-hero-points span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 800;
}

.energy-hero-points strong {
  width: 23px;
  height: 23px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
}

.energy-guide-card {
  position: relative;
  min-height: 190px;
  display: grid;
  align-content: end;
  padding: 26px 24px 24px 128px;
  border: 1px solid rgba(37, 127, 195, 0.2);
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(255,255,255,.98), rgba(105,191,211,.13));
  box-shadow: var(--shadow-soft);
}

.energy-guide-card img {
  position: absolute;
  left: -8px;
  bottom: 0;
  width: 138px;
  height: 188px;
  object-fit: contain;
  object-position: bottom;
}

.energy-guide-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 1rem;
}

.energy-guide-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.energy-workbench,
.solar-studio,
.single-calculator {
  border: 1px solid var(--border);
  border-radius: 20px;
  background: rgba(255,255,255,.88);
  box-shadow: var(--shadow);
}

.energy-workbench {
  padding: clamp(18px, 3vw, 32px);
}

.workbench-heading,
.card-heading,
.solar-studio-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
}

.workbench-heading h2,
.solar-studio-heading h2,
.card-heading h3 {
  margin-bottom: 0;
}

.scenario-toolbar {
  display: grid;
  grid-template-columns: 1fr 1.35fr minmax(260px, .8fr);
  gap: 18px;
  margin: 28px 0 20px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-soft);
}

.toolbar-group {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.toolbar-group legend,
.tariff-controls label > span,
.catalog-filters label > span,
.solar-controls label > span,
.single-form label > span {
  display: block;
  margin-bottom: 7px;
  color: var(--ink);
  font-size: .78rem;
  font-weight: 850;
}

.segmented-control {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.segmented-control button,
.room-focus-strip button {
  min-height: 38px;
  padding: 7px 11px;
  border: 1px solid rgba(74,109,132,.22);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font: inherit;
  font-size: .79rem;
  font-weight: 850;
  cursor: pointer;
}

.segmented-control button[aria-pressed="true"],
.room-focus-strip button[aria-pressed="true"] {
  border-color: rgba(37,127,195,.48);
  background: rgba(37,127,195,.11);
  color: var(--primary-dark);
}

.custom-period {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 10px;
}

.custom-period[hidden] {
  display: none;
}

.tariff-controls {
  display: grid;
  grid-template-columns: .72fr 1fr;
  gap: 10px;
}

.switch-row {
  grid-column: 1 / -1;
  display: flex !important;
  align-items: center;
  gap: 9px;
  margin: 2px 0 0 !important;
  cursor: pointer;
}

.switch-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 10px;
  margin-bottom: 20px;
}

.summary-strip article,
.solar-results article {
  min-width: 0;
  padding: 15px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
}

.summary-strip span,
.solar-results span,
.flow-node span {
  display: block;
  color: var(--muted);
  font-size: .74rem;
  font-weight: 850;
  text-transform: uppercase;
}

.summary-strip strong,
.solar-results strong {
  display: block;
  margin: 5px 0 2px;
  color: var(--ink);
  font-family: "Outfit", sans-serif;
  font-size: clamp(1.25rem, 2.6vw, 1.75rem);
}

.summary-strip small,
.solar-results small {
  color: var(--muted);
  font-size: .73rem;
}

.summary-strip .summary-solar,
.solar-results .solar-savings {
  border-color: rgba(59,155,114,.28);
  background: rgba(59,155,114,.065);
}

.builder-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(310px, .65fr);
  gap: 18px;
  align-items: start;
}

.house-card,
.catalog-card {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
}

.eyebrow {
  margin-bottom: 3px;
  color: var(--muted);
  font-size: .7rem;
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.selection-count {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(37,127,195,.1);
  color: var(--primary-dark);
  font-size: .76rem;
  font-weight: 900;
}

.room-focus-strip {
  display: flex;
  gap: 7px;
  overflow-x: auto;
  margin: 14px 0 10px;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.room-focus-strip button {
  flex: 0 0 auto;
}

.house-viewport {
  position: relative;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  border: 1px solid rgba(74,109,132,.2);
  border-radius: 12px;
  background: linear-gradient(#e9f6ff, #f9fcfd);
}

.house-scene {
  position: absolute;
  inset: 0;
  transform-origin: center;
  transition: transform .42s cubic-bezier(.2,.8,.2,1);
}

.house-base {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.appliance-layers,
.solar-layers,
.room-hotspots {
  position: absolute;
  inset: 0;
}

.scene-appliance {
  position: absolute;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 5px 5px rgba(23,48,67,.2));
  transform: translate(-50%, -50%);
  transition: filter .2s ease, transform .2s ease;
}

.scene-appliance.is-highlighted {
  z-index: 25 !important;
  filter: drop-shadow(0 0 8px rgba(37,127,195,.85));
  transform: translate(-50%, -50%) scale(1.12);
}

.scene-solar-panel {
  position: absolute;
  width: 7.2%;
  height: auto;
  filter: drop-shadow(0 3px 3px rgba(23,48,67,.25));
}

.room-hotspot {
  position: absolute;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
}

.room-hotspot:hover,
.room-hotspot:focus-visible {
  border-color: rgba(37,127,195,.55);
  background: rgba(37,127,195,.08);
}

.scene-help,
.solar-disclaimer,
.noscript-note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: .76rem;
  line-height: 1.45;
}

.catalog-card {
  position: sticky;
  top: 92px;
}

.catalog-search {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 15px 0 10px;
  padding: 0 11px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-soft);
  color: var(--muted);
}

.catalog-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,127,195,.1);
}

.catalog-search input {
  width: 100%;
  min-height: 42px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
}

.catalog-filters {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.catalog-list {
  max-height: 610px;
  display: grid;
  gap: 8px;
  overflow-y: auto;
  margin-top: 12px;
  padding-right: 3px;
  scrollbar-width: thin;
}

.catalog-item {
  display: grid;
  grid-template-columns: 58px minmax(0,1fr) auto;
  gap: 10px;
  align-items: center;
  min-height: 68px;
  padding: 7px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: #fff;
}

.catalog-item.is-selected {
  border-color: rgba(37,127,195,.46);
  background: rgba(37,127,195,.055);
}

.catalog-item img {
  width: 58px;
  height: 54px;
  object-fit: contain;
}

.catalog-item-copy {
  min-width: 0;
}

.catalog-item-copy strong,
.catalog-item-copy small {
  display: block;
}

.catalog-item-copy strong {
  color: var(--ink);
  font-size: .86rem;
}

.catalog-item-copy small {
  color: var(--muted);
  font-size: .69rem;
}

.catalog-toggle {
  min-width: 44px;
  min-height: 36px;
  padding: 6px 9px;
  border: 1px solid rgba(37,127,195,.3);
  border-radius: 8px;
  background: #fff;
  color: var(--primary-dark);
  font: inherit;
  font-size: .72rem;
  font-weight: 900;
  cursor: pointer;
}

.catalog-toggle[aria-pressed="true"] {
  background: var(--primary);
  color: #fff;
}

.catalog-empty {
  margin: 18px 0 0;
  color: var(--muted);
  text-align: center;
}

.selected-drawer {
  margin-top: 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
}

.selected-drawer summary {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  color: var(--ink);
  font-weight: 900;
  cursor: pointer;
}

.selected-drawer summary span:last-child {
  color: var(--primary-dark);
  font-size: .8rem;
}

.selected-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 10px;
  padding: 0 16px 16px;
}

.selected-item {
  display: grid;
  grid-template-columns: 52px minmax(0,1fr);
  gap: 10px;
  padding: 11px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface-soft);
}

.selected-item img {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.selected-item-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
}

.selected-item-head strong {
  color: var(--ink);
  font-size: .85rem;
}

.remove-item {
  border: 0;
  background: none;
  color: var(--coral);
  font: inherit;
  font-size: .72rem;
  font-weight: 900;
  cursor: pointer;
}

.usage-fields {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 7px;
}

.usage-fields label span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: .65rem;
  font-weight: 850;
}

.usage-fields .input-control {
  min-height: 36px;
  padding: 6px 8px;
  font-size: .78rem;
}

.empty-selected {
  grid-column: 1 / -1;
  margin: 0;
  padding: 24px;
  border: 1px dashed var(--border);
  border-radius: 10px;
  color: var(--muted);
  text-align: center;
}

.solar-studio {
  margin-top: 34px;
  padding: clamp(22px, 4vw, 38px);
  background:
    radial-gradient(circle at 90% 5%, rgba(59,155,114,.14), transparent 32%),
    rgba(255,255,255,.92);
}

.solar-studio-heading > div:first-child {
  max-width: 760px;
}

.solar-studio-heading p:last-child {
  color: var(--ink-soft);
}

.solar-mini-array {
  width: 240px;
  min-height: 98px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-content: center;
  gap: 3px;
  transform: perspective(300px) rotateX(12deg) rotateZ(-3deg);
}

.solar-mini-array img {
  width: 100%;
  display: block;
}

.solar-layout {
  display: grid;
  grid-template-columns: minmax(0,1.2fr) minmax(280px,.6fr);
  gap: 22px;
  margin-top: 20px;
}

.solar-controls {
  padding: 18px;
  border: 1px solid rgba(59,155,114,.24);
  border-radius: 14px;
  background: rgba(59,155,114,.045);
}

.range-field {
  display: block;
  margin: 18px 0;
}

.range-field > span {
  display: flex !important;
  justify-content: space-between;
}

.range-field output {
  color: var(--green);
  font-size: 1rem;
}

.range-field input {
  width: 100%;
  accent-color: var(--green);
}

.solar-input-grid {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 10px;
}

.input-suffix {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
}

.input-suffix b {
  min-width: 38px;
  display: grid;
  place-items: center;
  align-self: stretch;
  border: 1px solid var(--border);
  border-left: 0;
  border-radius: 0 8px 8px 0;
  background: #fff;
  color: var(--muted);
}

.input-suffix .input-control {
  border-radius: 8px 0 0 8px;
}

.solar-results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.energy-results,
.energy-education {
  margin-top: 70px;
}

.section-heading-centered {
  max-width: 760px;
  margin: 0 auto 28px;
  text-align: center;
}

.energy-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 12px;
  align-items: center;
  max-width: 880px;
  margin: 0 auto 24px;
}

.flow-node {
  padding: 17px;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: #fff;
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.flow-node strong {
  display: block;
  margin-top: 5px;
  color: var(--ink);
  font-family: "Outfit",sans-serif;
  font-size: 1.35rem;
}

.flow-node-solar {
  border-color: rgba(59,155,114,.34);
  background: rgba(59,155,114,.07);
}

.flow-node-grid {
  border-color: rgba(37,127,195,.34);
  background: rgba(37,127,195,.07);
}

.flow-arrow {
  color: var(--muted);
  font-size: 1.7rem;
  font-weight: 900;
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.breakdown-card,
.insight-card,
.method-card {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.breakdown-card h3,
.insight-card h3 {
  margin-bottom: 18px;
  color: var(--ink);
}

.bar-list,
.ranking-list,
.insight-list {
  display: grid;
  gap: 12px;
}

.bar-row-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 5px;
  color: var(--ink-soft);
  font-size: .78rem;
  font-weight: 800;
}

.bar-track {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--page-strong);
}

.bar-track span {
  height: 100%;
  display: block;
  border-radius: inherit;
  background: linear-gradient(90deg,var(--primary),var(--cyan));
}

.ranking-list {
  margin: 0;
  padding-left: 24px;
}

.ranking-list li {
  padding-left: 3px;
  color: var(--ink-soft);
  font-size: .83rem;
}

.ranking-list strong {
  float: right;
  color: var(--ink);
}

.insight {
  padding: 10px 11px;
  border-left: 3px solid var(--primary);
  border-radius: 0 8px 8px 0;
  background: var(--surface-soft);
  color: var(--ink-soft);
  font-size: .82rem;
  line-height: 1.45;
}

.single-calculator {
  display: grid;
  grid-template-columns: minmax(260px,.58fr) minmax(0,1fr);
  gap: 28px;
  margin-top: 70px;
  padding: clamp(22px,4vw,38px);
}

.single-copy p:last-child {
  color: var(--ink-soft);
  line-height: 1.6;
}

.single-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.single-form {
  display: grid;
  gap: 10px;
}

.single-result {
  display: grid;
  align-content: center;
  justify-items: center;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-soft);
  text-align: center;
}

.single-result img {
  width: 132px;
  height: 112px;
  object-fit: contain;
}

.single-result span,
.single-result small {
  display: block;
  color: var(--muted);
}

.single-result strong {
  display: block;
  margin: 4px 0;
  color: var(--primary-dark);
  font-family: "Outfit",sans-serif;
  font-size: 2rem;
}

.single-result p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: .72rem;
}

.energy-education .edu-icon-badge {
  font-family: "Outfit",sans-serif;
  font-weight: 900;
}

.method-card {
  margin-top: 20px;
  background: linear-gradient(135deg,rgba(37,127,195,.06),#fff);
}

.method-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.65;
}

.energy-conversion {
  margin-top: 52px;
}

.showcase-fallback {
  width: 100%;
  margin-top: 12px;
  border-radius: 12px;
}

@media (max-width: 1020px) {
  .energy-hero,
  .scenario-toolbar,
  .builder-grid,
  .solar-layout,
  .single-calculator {
    grid-template-columns: 1fr;
  }

  .energy-guide-card {
    max-width: 620px;
  }

  .catalog-card {
    position: static;
  }

  .catalog-list {
    max-height: 440px;
  }

  .results-grid {
    grid-template-columns: 1fr 1fr;
  }


  .solar-mini-array {
    width: min(240px,42vw);
  }
}

@media (max-width: 760px) {
  .energy-page {
    padding-top: 22px;
  }

  .energy-hero {
    padding: 28px 0 38px;
  }

  .workbench-heading,
  .solar-studio-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .summary-strip {
    grid-template-columns: 1fr 1fr;
  }

  .selected-list,
  .results-grid,
  .single-grid {
    grid-template-columns: 1fr;
  }

  .insight-card {
    grid-column: auto;
  }

  .energy-flow {
    grid-template-columns: 1fr;
  }

  .flow-arrow {
    transform: rotate(90deg);
    text-align: center;
    line-height: .7;
  }

  .house-viewport {
    aspect-ratio: 4 / 3;
  }

  .house-scene {
    width: 200%;
    right: auto;
  }

  .house-base,
  .appliance-layers,
  .solar-layers,
  .room-hotspots {
    width: 100%;
  }

  .catalog-filters,
  .solar-input-grid {
    grid-template-columns: 1fr;
  }

  .usage-fields {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .energy-guide-card {
    min-height: 170px;
    padding: 20px 18px 20px 104px;
  }

  .energy-guide-card img {
    width: 112px;
    height: 156px;
  }

  .energy-workbench,
  .solar-studio,
  .single-calculator {
    border-radius: 15px;
  }

  .summary-strip,
  .solar-results {
    grid-template-columns: 1fr;
  }

  .tariff-controls {
    grid-template-columns: 1fr;
  }

  .switch-row {
    grid-column: auto;
  }

  .house-card,
  .catalog-card {
    padding: 12px;
  }

  .usage-fields {
    grid-template-columns: 1fr;
  }

  .solar-mini-array {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .house-scene,
  .scene-appliance {
    transition: none;
  }
}

@media print {
  .site-header,
  .site-footer,
  .catalog-card,
  .selected-drawer,
  .energy-reset,
  .conversion-card {
    display: none !important;
  }

  .energy-page {
    padding: 0;
  }

  .energy-workbench,
  .solar-studio,
  .single-calculator {
    box-shadow: none;
  }
}

.energy-page input[aria-invalid="true"] {
  border-color: #b42318;
  box-shadow: 0 0 0 3px rgba(180, 35, 24, .12);
}

.energy-page .field-error {
  display: block;
  margin-top: .3rem;
  color: #b42318;
  font-size: .72rem;
  font-weight: 750;
}