:root {
  --color-bg: #F7F8F9;
  --color-bg-alt: #E4E6E8;
  --color-surface: #C9CDD1;
  --color-primary: #2F3A44;
  --color-accent: #C76E4F;
  --color-teal: #4C7C80;
  --color-interaction: #3E7BFA;
  --color-text: #2F3A44;
  --color-text-muted: #5a6570;
  --color-white: #ffffff;
  --font-primary: 'DM Sans', sans-serif;
  --font-display: 'Outfit', sans-serif;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition-fast: 0.2s ease;
  --transition-mid: 0.3s ease;
  --shadow-sm: 0 2px 8px rgba(47, 58, 68, 0.06);
  --shadow-md: 0 4px 16px rgba(47, 58, 68, 0.08);
  --shadow-lg: 0 8px 32px rgba(47, 58, 68, 0.1);
  --grid-unit: 8px;
  --header-height: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

html.no-js .burger-btn,
html.no-js .nav-overlay,
html.no-js .nav-close-btn {
  display: none;
}

html.no-js .nav-mobile {
  position: static;
  transform: none;
  height: auto;
  width: auto;
  padding: 0;
  box-shadow: none;
  overflow: visible;
}

@media (min-width: 1024px) {
  html.no-js .nav-mobile {
    display: none;
  }
  html.no-js .nav-desktop {
    display: block;
  }
}

body {
  margin: 0;
  font-family: var(--font-primary);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

main img[src*="images/"] {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-surface);
  box-shadow: var(--shadow-sm);
  background: var(--color-bg-alt);
}

a {
  color: var(--color-teal);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-interaction);
}

.wrapper {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--space-md);
}

main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) {
  text-align: center;
}

main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .section-intro {
  margin-left: auto;
  margin-right: auto;
}

main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .process-stepper {
  justify-content: center;
}

main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .zones-grid,
main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .products-grid,
main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .products-page-grid,
main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .plans-masonry {
  justify-content: center;
}

main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .filter-btns {
  justify-content: center;
}

main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .compare-slider-wrap {
  margin-left: auto;
  margin-right: auto;
  max-width: 900px;
}

main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .contact-form {
  margin-left: auto;
  margin-right: auto;
}

main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .audit-diagram {
  margin-left: auto;
  margin-right: auto;
}

main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .accordion-item {
  margin-left: auto;
  margin-right: auto;
  max-width: 720px;
}

main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .banner-img {
  margin-left: auto;
  margin-right: auto;
  display: block;
}

main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .about-intro {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .efficiency-meter-wrap {
  margin-left: auto;
  margin-right: auto;
}

main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .contact-two-col {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .map-wrap {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .scroll-reveal img,
main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) img.scroll-reveal {
  margin-left: auto;
  margin-right: auto;
  display: block;
}

main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .checklist-animated {
  margin-left: auto;
  margin-right: auto;
  max-width: 560px;
}

main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .zone-card,
main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .product-card,
main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .plan-card {
  text-align: center;
}

main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .zone-card .zone-icon-wrap,
main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .product-card .btn-secondary,
main > section:not(.hero):not(.page-hero-compact):not(.contact-hero) .plan-card .btn-secondary {
  margin-left: auto;
  margin-right: auto;
}

.page-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-surface);
  padding: var(--space-md) 0;
  position: relative;
  z-index: 100;
}

.page-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.8rem, 0.5vw, 1.5rem);
  color: var(--color-primary);
  margin: 0;
}

.brand-text .brand-link {
  color: var(--color-primary);
  text-decoration: none;
  display: inline-block;
}

.brand-text .brand-link:hover {
  color: var(--color-primary);
}

.nav-desktop {
  display: none;
}

.nav-desktop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.nav-desktop-list a {
  color: var(--color-text);
  font-weight: 500;
  position: relative;
}

.nav-desktop-list a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--color-interaction);
  transition: width var(--transition-mid);
}

.nav-desktop-list a:hover::after {
  width: 100%;
}

.burger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  min-width: 44px;
  min-height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--color-surface);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.burger-btn:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-primary);
}

.burger-icon-wrap {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 100%;
  box-sizing: border-box;
}

.burger-close-label {
  display: none;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-primary);
}

.burger-btn.is-open {
  flex-direction: row;
  gap: 8px;
  padding-left: 12px;
  padding-right: 12px;
  width: auto;
}

.burger-btn.is-open .burger-close-label {
  display: inline-block;
}

.burger-btn.is-open .burger-icon-wrap {
  width: auto;
  flex-shrink: 0;
}

.burger-line {
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: transform var(--transition-mid), opacity var(--transition-fast);
}

.burger-btn.is-open .burger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger-btn.is-open .burger-line:nth-child(2) {
  opacity: 0;
}

.burger-btn.is-open .burger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-mobile {
  position: fixed;
  top: 0;
  right: 0;
  width: min(280px, 85vw);
  height: 100vh;
  background: var(--color-white);
  box-shadow: -4px 0 24px rgba(47, 58, 68, 0.12);
  padding: var(--space-md) var(--space-lg) var(--space-lg);
  padding-top: calc(var(--header-height) + var(--space-md));
  z-index: 99;
  transform: translateX(100%);
  transition: transform var(--transition-mid);
  overflow-y: auto;
}

.nav-mobile.is-open {
  transform: translateX(0);
}

.nav-close-btn {
  position: absolute;
  top: var(--space-md);
  right: var(--space-lg);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  font-size: 1.75rem;
  line-height: 1;
  color: var(--color-primary);
  background: transparent;
  border: 1px solid var(--color-surface);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.nav-close-btn:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-primary);
  color: var(--color-teal);
}

.nav-mobile-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-mobile-list li {
  border-bottom: 1px solid var(--color-bg-alt);
}

.nav-mobile-list a {
  display: block;
  padding: var(--space-md);
  color: var(--color-text);
  font-weight: 500;
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(47, 58, 68, 0.4);
  z-index: 98;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-mid), visibility var(--transition-mid);
}

.nav-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

main {
  flex: 1;
}

.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--space-md);
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg) 50%, rgba(76, 124, 128, 0.08) 100%);
  overflow: hidden;
}

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  z-index: 1;
  border: none;
  box-shadow: none;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(47, 58, 68, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 58, 68, 0.04) 1px, transparent 1px);
  background-size: var(--grid-unit) var(--grid-unit);
  animation: gridDraw 1.2s ease-out forwards;
  opacity: 0;
}

@keyframes gridDraw {
  to {
    opacity: 1;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.2;
  color: var(--color-primary);
  margin: 0 0 var(--space-md);
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 0.2s;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  margin: 0 0 var(--space-lg);
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 0.4s;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.cta-primary {
  display: inline-block;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 0.6s;
}

.cta-primary:hover {
  background: var(--color-teal);
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(76, 124, 128, 0.3);
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 var(--space-md);
}

.section-intro {
  max-width: 600px;
  margin: 0 0 var(--space-lg);
  color: var(--color-text-muted);
}

.zones-section {
  padding: var(--space-xl) 0;
}

.zones-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.zone-card {
  background: var(--color-white);
  border: 1px solid var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.zone-card img {
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.zone-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-interaction);
  box-shadow: 0 8px 24px rgba(62, 123, 250, 0.12);
}

.zone-icon-wrap {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  color: var(--color-teal);
}

.zone-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 var(--space-sm);
  color: var(--color-primary);
}

.zone-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.process-section {
  padding: var(--space-xl) 0;
  background: var(--color-bg-alt);
}

.process-stepper {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  position: relative;
}

.process-step {
  flex: 1;
  min-width: 140px;
  max-width: 240px;
  text-align: center;
  padding: var(--space-md);
  position: relative;
}

.process-step-num {
  width: 40px;
  height: 40px;
  margin: 0 auto var(--space-sm);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.process-step:hover .process-step-num {
  transform: rotate(8deg);
  background: var(--color-teal);
}

.process-step h3 {
  font-size: 1rem;
  margin: 0 0 var(--space-xs);
  color: var(--color-primary);
}

.process-step p {
  font-size: 0.875rem;
  margin: 0;
  color: var(--color-text-muted);
}

.compare-section {
  padding: var(--space-xl) 0;
}

.compare-slider-wrap {
  margin-top: var(--space-lg);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-surface);
  position: relative;
}

.compare-slider {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 280px;
}

.compare-pane {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.compare-pane-before {
  background: var(--color-bg-alt);
}

.compare-pane-after {
  background: linear-gradient(135deg, rgba(76, 124, 128, 0.1), var(--color-bg));
}

.compare-pane h4 {
  margin: 0 0 var(--space-sm);
  font-size: 1.125rem;
  color: var(--color-primary);
}

.compare-pane p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.products-section {
  padding: var(--space-xl) 0;
  background: var(--color-bg-alt);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-surface);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.product-card:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}

.product-card-img {
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  border-bottom: none;
  box-shadow: none;
}

.product-card-body {
  padding: var(--space-md);
}

.product-card h3 {
  font-size: 1.125rem;
  margin: 0 0 var(--space-sm);
  color: var(--color-primary);
}

.product-card p {
  margin: 0 0 var(--space-sm);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.product-price {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--color-teal);
}

.product-card-body .btn-secondary,
.product-card-body .cta-primary {
  margin-right: var(--space-sm);
  margin-top: var(--space-sm);
}

.page-footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-xl) 0 var(--space-lg);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-surface);
}

.footer-menu-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-menu-list a {
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition-fast);
}

.footer-menu-list a:hover {
  color: var(--color-interaction);
}

.footer-bottom {
  padding-top: var(--space-md);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-bottom .dynamic-date {
  font-variant-numeric: tabular-nums;
}

.privacy-popup {
  position: fixed;
  bottom: var(--space-md);
  left: var(--space-md);
  right: var(--space-md);
  max-width: 420px;
  margin: 0 auto;
  background: var(--color-white);
  border: 1px solid var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transform: translateY(120%);
  transition: transform var(--transition-mid);
}

.privacy-popup.is-visible {
  transform: translateY(0);
}

.privacy-popup p {
  margin: 0 0 var(--space-md);
  font-size: 0.9375rem;
  color: var(--color-text);
}

.privacy-popup-btns {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.btn-accept {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 500;
  transition: background var(--transition-fast);
}

.btn-accept:hover {
  background: var(--color-teal);
}

.btn-decline {
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-surface);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.btn-decline:hover {
  border-color: var(--color-primary);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
  font-size: 0.9375rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-surface);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-interaction);
  box-shadow: 0 0 0 2px rgba(62, 123, 250, 0.2);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-checkbox-wrap {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.form-checkbox-wrap input {
  width: auto;
  margin-top: 4px;
}

.form-checkbox-wrap label {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 400;
}

.form-error {
  font-size: 0.875rem;
  color: var(--color-accent);
  margin-top: var(--space-xs);
  display: none;
}

.form-error.is-visible {
  display: block;
}

.form-group.is-invalid input,
.form-group.is-invalid textarea {
  border-color: var(--color-accent);
}

.contact-form {
  max-width: 520px;
}

.contact-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
  margin-top: var(--space-lg);
}

.contact-info-block h3 {
  font-size: 1.125rem;
  margin: 0 0 var(--space-sm);
  color: var(--color-primary);
}

.contact-info-block p,
.contact-info-block a {
  margin: 0;
  font-size: 0.9375rem;
}

.map-wrap {
  margin-top: var(--space-lg);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-surface);
}

.map-wrap iframe {
  width: 100%;
  height: 300px;
  display: block;
  border: none;
}

.accordion-item {
  border: 1px solid var(--color-surface);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  overflow: hidden;
  background: var(--color-white);
}

.accordion-trigger {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  text-align: left;
  transition: background var(--transition-fast);
}

.accordion-trigger:hover {
  background: var(--color-bg-alt);
}

.accordion-trigger-icon {
  transition: transform var(--transition-mid);
}

.accordion-item.is-open .accordion-trigger-icon {
  transform: rotate(180deg);
}

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-mid);
}

.accordion-item.is-open .accordion-panel {
  max-height: 300px;
}

.accordion-panel-inner {
  padding: 0 var(--space-lg) var(--space-md);
}

.accordion-panel p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.plans-masonry {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.plan-card {
  border: 1px solid var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-white);
  position: relative;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.plan-card:hover {
  transform: scale(1.03);
  box-shadow: 0 0 0 2px var(--color-interaction);
  border-color: var(--color-interaction);
}

.plan-card-img {
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  border-bottom: none;
  box-shadow: none;
}

.plan-card-body {
  padding: var(--space-md);
}

.plan-card h3 {
  font-size: 1.125rem;
  margin: 0 0 var(--space-sm);
  color: var(--color-primary);
}

.filter-btns {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.filter-btn {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-white);
  border: 1px solid var(--color-surface);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.audit-diagram {
  margin-top: var(--space-lg);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  max-width: 600px;
}

.audit-zone {
  padding: var(--space-lg);
  border: 2px solid var(--color-surface);
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.audit-zone:hover {
  border-color: var(--color-interaction);
  background: var(--color-white);
  transform: translateY(-2px);
}

.audit-zone h4 {
  margin: 0 0 var(--space-xs);
  font-size: 1rem;
  color: var(--color-primary);
}

.audit-zone p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.efficiency-meter-wrap {
  margin: var(--space-lg) auto;
  width: 160px;
  height: 160px;
  position: relative;
}

.efficiency-meter {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: conic-gradient(var(--color-teal) 0deg var(--score-deg, 0deg), var(--color-surface) var(--score-deg, 360deg));
  transition: --score-deg 0.8s ease;
}

.efficiency-meter-inner {
  position: absolute;
  inset: 12px;
  background: var(--color-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: 1.5rem;
  color: var(--color-primary);
}

.thankyou-message {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  max-width: 560px;
  margin: 0 auto;
}

.thankyou-message h1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 var(--space-md);
  color: var(--color-primary);
}

.thankyou-message p {
  margin: 0 0 var(--space-lg);
  color: var(--color-text-muted);
}

.err-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  text-align: center;
}

.err-page h1 {
  font-size: clamp(3rem, 10vw, 6rem);
  margin: 0;
  color: var(--color-surface);
  font-variant-numeric: tabular-nums;
}

.err-page p {
  margin: var(--space-md) 0 var(--space-lg);
  color: var(--color-text-muted);
}

.banner-section {
  width: 100%;
  max-width: 1200px;
  margin: var(--space-lg) auto;
  padding: 0 var(--space-md);
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
}

.banner-section.wrapper {
  margin-left: auto;
  margin-right: auto;
}

.banner-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  display: block;
  border-radius: var(--radius-md);
  object-fit: cover;
  border: 1px solid var(--color-surface);
  box-shadow: var(--shadow-md);
  background: var(--color-bg-alt);
}

.faq-section {
  padding: var(--space-xl) 0;
}

.faq-list {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  display: grid;
  gap: var(--space-sm);
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-align: left;
}

.faq-item summary {
  cursor: pointer;
  padding: var(--space-md) var(--space-lg);
  font-weight: 700;
  color: var(--color-primary);
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  float: right;
  color: var(--color-teal);
  font-weight: 700;
}

.faq-item[open] summary::after {
  content: '–';
}

.faq-body {
  padding: 0 var(--space-lg) var(--space-md);
}

.faq-body p {
  margin: 0;
  color: var(--color-text-muted);
}

.content-section {
  padding: var(--space-lg) 0;
}

.content-section:nth-child(even) {
  background: var(--color-bg-alt);
}

.legal-content {
  max-width: 720px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 1.25rem;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--color-primary);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p {
  margin: 0 0 var(--space-md);
  font-size: 0.9375rem;
  color: var(--color-text);
}

.products-page-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.checklist-animated {
  list-style: none;
  padding: 0;
  margin: 0;
}

.checklist-animated li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-surface);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  transition: background var(--transition-fast);
}

.checklist-animated li:hover {
  background: var(--color-bg-alt);
}

.checklist-animated .check-icon {
  color: var(--color-teal);
  flex-shrink: 0;
}

.about-intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
  margin-top: var(--space-lg);
}

.about-intro-img {
  border-radius: var(--radius-md);
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--color-surface);
  box-shadow: var(--shadow-md);
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: block;
  }

  .burger-btn {
    display: none;
  }

  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .contact-two-col {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 768px) {
  .compare-slider {
    min-height: 320px;
  }

  .about-intro {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 639px) {
  .nav-mobile {
    width: 100%;
  }

  .process-stepper {
    flex-direction: column;
    align-items: center;
  }

  .process-step {
    max-width: 100%;
  }

  .compare-slider {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 320px) {
  .wrapper {
    padding: 0 var(--space-sm);
  }

  .hero {
    min-height: 60vh;
    padding: var(--space-lg) var(--space-sm);
  }

  .zone-card {
    padding: var(--space-md);
  }
}

.efficiency-meter {
  --score-deg: 0deg;
}

.efficiency-meter.animate-in {
  --score-deg: 252deg;
}

.plan-card.hidden-by-filter {
  display: none;
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.scroll-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.btn-secondary {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.page-hero-compact {
  padding: var(--space-lg) 0;
  background: linear-gradient(135deg, var(--color-bg-alt), var(--color-bg));
  text-align: center;
}

.page-hero-compact .section-title {
  margin-bottom: var(--space-sm);
}

.page-hero-compact .section-intro {
  margin-left: auto;
  margin-right: auto;
  max-width: 600px;
}

.contact-hero {
  background: linear-gradient(135deg, rgba(76, 124, 128, 0.08), var(--color-bg));
}

.contact-hero .section-intro {
  margin-left: auto;
  margin-right: auto;
}

.display-theme-section {
  padding: var(--space-xl) 0;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.display-theme-section .section-title {
  margin-bottom: var(--space-md);
}

.display-theme-section .section-intro {
  margin-left: auto;
  margin-right: auto;
}

.display-theme-section .theme-swatches,
.display-theme-section .theme-spacing-demos {
  justify-content: center;
}

.display-theme-section .theme-typo,
.display-theme-section .theme-spacing,
.display-theme-section .theme-buttons {
  margin-left: auto;
  margin-right: auto;
  max-width: 640px;
}

.theme-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.theme-swatch {
  width: 5rem;
  height: 5rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.theme-swatch-bg {
  background: var(--color-bg);
  border: 1px solid var(--color-surface);
  color: var(--color-text);
}

.theme-swatch-bg-alt {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

.theme-swatch-surface {
  background: var(--color-surface);
  color: var(--color-text);
}

.theme-swatch-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.theme-swatch-accent {
  background: var(--color-accent);
  color: var(--color-white);
}

.theme-swatch-teal {
  background: var(--color-teal);
  color: var(--color-white);
}

.theme-swatch-interaction {
  background: var(--color-interaction);
  color: var(--color-white);
}

.theme-typo {
  margin-bottom: var(--space-xl);
}

.theme-typo .section-label {
  margin-bottom: var(--space-sm);
}

.theme-heading-sample {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 var(--space-sm);
}

.theme-body-sample {
  margin: 0;
  font-family: var(--font-primary);
  font-size: 1rem;
  color: var(--color-text-muted);
}

.theme-spacing {
  margin-bottom: var(--space-xl);
}

.theme-spacing .section-label {
  margin-bottom: var(--space-sm);
}

.theme-spacing-demos {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: flex-end;
}

.theme-space-box {
  border: 2px solid var(--color-teal);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

.theme-space-box.space-sm {
  width: var(--space-sm);
  min-width: 2rem;
  height: 2rem;
}

.theme-space-box.space-md {
  width: var(--space-md);
  min-width: 3rem;
  height: 2rem;
}

.theme-space-box.space-lg {
  width: var(--space-lg);
  min-width: 4rem;
  height: 2rem;
}

.theme-buttons .section-label {
  margin-bottom: var(--space-sm);
}

.theme-buttons .cta-primary,
.theme-buttons .btn-secondary {
  margin-right: var(--space-md);
  margin-top: var(--space-sm);
}