:root {
  --color-primary: #ffce14;
  --color-primary-dark: #d99f00;
  --color-secondary: #101010;
  --color-secondary-dark: #000000;
  --color-accent: #2f6f73;
  --color-accent-soft: #fff6d2;
  --color-text: #242424;
  --color-muted: #656565;
  --color-border: #ded8c9;
  --color-bg: #ffffff;
  --color-bg-soft: #faf7ef;
  --color-bg-strong: #151515;
  --color-panel: #fffdf6;
  --shadow-sm: 0 8px 24px rgba(16, 16, 16, 0.08);
  --shadow-md: 0 18px 48px rgba(16, 16, 16, 0.16);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --container: 1160px;
  --header-height: 74px;
  --transition: 180ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.6;
}

body.modal-open,
body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid rgba(255, 206, 20, 0.85);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 2000;
  transform: translateY(-140%);
  border-radius: var(--radius-sm);
  background: var(--color-bg-strong);
  color: #fff;
  padding: 0.7rem 1rem;
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

.narrow {
  width: min(100% - 32px, 840px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  min-height: var(--header-height);
  border-bottom: 1px solid transparent;
  background: rgba(255, 253, 246, 0.94);
  backdrop-filter: blur(16px);
  transition: box-shadow var(--transition), border-color var(--transition), background var(--transition);
}

.site-header.is-scrolled {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
  background: rgba(255, 253, 246, 0.98);
}

.header-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  min-height: var(--header-height);
  gap: 0.75rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
  min-width: 0;
  color: var(--color-bg-strong);
  font-weight: 800;
  line-height: 1.1;
}

.brand img {
  width: 176px;
  height: 50px;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 0 0 1px rgba(16, 16, 16, 0.08);
}

.site-header .brand img {
  width: min(100%, 112px);
  height: 42px;
}

.main-nav {
  position: fixed;
  inset: var(--header-height) 0 auto 0;
  display: none;
  flex-direction: column;
  gap: 0.35rem;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: #fff;
  padding: 1rem 1.25rem 1.4rem;
  box-shadow: var(--shadow-sm);
}

.main-nav.is-open {
  display: flex;
}

.main-nav a {
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-weight: 700;
  padding: 0.75rem 0.85rem;
}

.main-nav a:hover,
.main-nav a.is-active {
  background: var(--color-accent-soft);
  color: var(--color-secondary);
}

.language-switcher {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.5rem;
  border-top: 1px solid var(--color-border);
  padding-top: 0.85rem;
}

.main-nav .language-switcher a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.05rem;
  min-height: 2.05rem;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.35rem;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1;
}

.main-nav .language-switcher a:hover {
  border-color: var(--color-primary);
  background: var(--color-accent-soft);
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  grid-column: 3;
  grid-row: 1;
  justify-self: end;
  width: 44px;
  height: 44px;
  gap: 5px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  padding: 0 10px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 10px;
  background: var(--color-bg-strong);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.header-cta {
  display: inline-flex;
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  white-space: nowrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.78rem 1.1rem;
  font-weight: 800;
  line-height: 1.1;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-secondary);
  box-shadow: 0 10px 22px rgba(255, 206, 20, 0.28);
}

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

.btn-secondary {
  border-color: var(--color-border);
  background: #fff;
  color: var(--color-secondary);
}

.btn-secondary:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary-dark);
  box-shadow: var(--shadow-sm);
}

.btn-small {
  min-height: 40px;
  padding: 0.65rem 0.9rem;
  font-size: 0.9rem;
}

.hero,
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 4rem 0;
}

.hero::before,
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(115deg, rgba(255, 206, 20, 0.42), transparent 43%),
    linear-gradient(315deg, rgba(16, 16, 16, 0.09), transparent 38%),
    var(--color-bg-soft);
}

.hero-grid,
.page-hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.hero-content,
.page-hero-grid > div:first-child {
  max-width: 780px;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--color-secondary);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  color: var(--color-bg-strong);
  line-height: 1.12;
}

h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.15rem, 7vw, 4.2rem);
  max-width: 880px;
}

.about-hero-title {
  font-size: clamp(2.05rem, 4.5vw, 3.25rem);
}

h2 {
  margin-bottom: 0.85rem;
  font-size: clamp(1.8rem, 5vw, 3rem);
}

h3 {
  margin-bottom: 0.65rem;
  font-size: 1.15rem;
}

.hero-text,
.page-hero p,
.section-heading p,
.cta-inner p {
  color: var(--color-muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.7rem;
}

.hero-proof {
  display: grid;
  gap: 0.65rem;
  margin: 1.4rem 0 0;
  padding: 0;
  color: var(--color-text);
  list-style: none;
}

.hero-proof li {
  position: relative;
  padding-left: 1.5rem;
  font-weight: 750;
}

.hero-proof li::before {
  content: "";
  position: absolute;
  top: 0.62rem;
  left: 0;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(255, 206, 20, 0.22);
}

.visual-card {
  min-width: 0;
}

.hero-photo {
  width: 100%;
  min-height: 330px;
  max-height: 520px;
  object-fit: cover;
  border: 1px solid rgba(16, 16, 16, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.placeholder {
  display: grid;
  place-items: center;
  min-height: 220px;
  overflow: hidden;
  border: 1px solid rgba(16, 16, 16, 0.12);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(255, 206, 20, 0.96), rgba(33, 33, 33, 0.92)),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.16) 0 12px, transparent 12px 24px);
  box-shadow: var(--shadow-md);
  color: #fff;
  text-align: center;
}

.placeholder::before {
  content: "";
  width: 68%;
  height: 48%;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  grid-area: 1 / 1;
}

.placeholder span {
  position: relative;
  z-index: 1;
  max-width: 70%;
  border-radius: 999px;
  background: rgba(13, 39, 48, 0.48);
  padding: 0.6rem 0.9rem;
  font-weight: 800;
}

.placeholder-hero {
  min-height: 330px;
}

.placeholder-blue {
  background: linear-gradient(135deg, #2f6f73, #101010);
}

.placeholder-dark {
  background: linear-gradient(135deg, #101010, #4a4a4a);
}

.placeholder-electric {
  background: linear-gradient(135deg, #2a2a2a, #ffce14);
}

.placeholder-maintenance {
  background: linear-gradient(135deg, #5f5a4a, #101010);
}

.placeholder-solar {
  background: linear-gradient(135deg, #ffce14, #2f6f73);
}

.section {
  padding: 4rem 0;
}

.section-muted {
  background: var(--color-bg-soft);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 2rem;
  text-align: center;
}

.section-heading:not(.align-left) {
  margin-left: auto;
  margin-right: auto;
}

.align-left {
  text-align: left;
}

.services-grid,
.trust-grid,
.values-grid,
.projects-grid,
.gallery-preview,
.featured-projects {
  display: grid;
  gap: 1rem;
}

.service-card,
.trust-item,
.project-card,
.info-panel,
.contact-form {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: 0 10px 26px rgba(16, 16, 16, 0.05);
}

.service-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 1.25rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-card:hover,
.project-card:hover,
.trust-item:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 206, 20, 0.8);
  box-shadow: var(--shadow-sm);
}

.card-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-secondary);
  font-size: 1.25rem;
  font-weight: 900;
}

.service-card p,
.trust-item p,
.project-card span,
.info-panel p,
.check-list {
  color: var(--color-muted);
}

.service-card a {
  margin-top: auto;
  color: var(--color-secondary);
  font-weight: 900;
}

.service-card a::after {
  content: " ->";
  color: var(--color-primary-dark);
}

.compact .service-card {
  min-height: 250px;
}

.process {
  display: grid;
  gap: 1rem;
  counter-reset: step;
}

.process-step {
  position: relative;
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: #fff;
  padding: 1.2rem 1.2rem 1.2rem 1.35rem;
  box-shadow: var(--shadow-sm);
}

.process-step span {
  display: inline-flex;
  margin-bottom: 0.7rem;
  color: var(--color-primary-dark);
  font-weight: 900;
}

.section-split {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.featured-projects .project-card,
.project-card {
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), opacity var(--transition);
}

.project-card .placeholder,
.project-card img {
  min-height: 210px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  box-shadow: none;
}

.project-media {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-bg-soft);
}

.project-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.project-card .project-media img {
  height: 100%;
  min-height: 0;
  border-radius: 0;
}

.comparison-media {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.comparison-media figure {
  position: relative;
  min-width: 0;
  margin: 0;
  overflow: hidden;
}

.comparison-media figure + figure {
  border-left: 3px solid #fff;
}

.project-card .comparison-label,
.modal-image .comparison-label {
  position: absolute;
  top: 0.7rem;
  left: 0.7rem;
  z-index: 1;
  width: auto;
  border-radius: 999px;
  background: rgba(16, 16, 16, 0.82);
  color: #fff;
  padding: 0.3rem 0.55rem;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1;
  text-transform: uppercase;
}

.project-card h2,
.project-card h3,
.project-card p,
.project-card span {
  padding-left: 1rem;
  padding-right: 1rem;
}

.project-card p {
  margin: 1rem 0 0.25rem;
  color: var(--color-secondary);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.project-card h2,
.project-card h3 {
  margin-bottom: 0.45rem;
  font-size: 1.15rem;
}

.project-card span {
  display: block;
  padding-bottom: 1rem;
}

.project-open {
  display: block;
  width: 100%;
  border: 0;
  background: transparent;
  padding: 0;
  text-align: inherit;
}

.capability-section {
  color: #fff;
  background:
    radial-gradient(circle at 12% 10%, rgba(255, 206, 20, 0.18), transparent 32%),
    var(--color-bg-strong);
}

.capability-shell {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.capability-intro {
  max-width: 640px;
}

.capability-intro h2,
.capability-intro p,
.capability-intro .eyebrow {
  color: #fff;
}

.capability-intro p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.72);
}

.capability-list {
  display: grid;
  gap: 0.75rem;
}

.capability-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: start;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
  padding: 1.1rem;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.capability-item:hover {
  transform: translateX(4px);
  border-color: rgba(255, 206, 20, 0.72);
  background: rgba(255, 255, 255, 0.11);
  color: #fff;
}

.capability-item > span {
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.capability-item h3 {
  margin-bottom: 0.35rem;
  color: #fff;
}

.capability-item p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.94rem;
}

.capability-item b {
  color: var(--color-primary);
  font-size: 1.25rem;
  line-height: 1;
}

.section-hvac {
  color: #fff;
  background:
    radial-gradient(circle at 86% 14%, rgba(255, 206, 20, 0.16), transparent 32%),
    var(--color-bg-strong);
}

.hvac-layout {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.hvac-copy {
  max-width: 680px;
}

.hvac-copy h2,
.hvac-copy .eyebrow {
  color: #fff;
}

.hvac-copy .eyebrow {
  color: var(--color-primary);
}

.hvac-copy > p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.74);
  font-size: 1.05rem;
}

.hvac-points {
  display: grid;
  gap: 0.65rem;
  margin: 1.5rem 0 1.8rem;
  padding: 0;
  list-style: none;
}

.hvac-points li {
  position: relative;
  padding-left: 1.45rem;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 750;
}

.hvac-points li::before {
  content: "";
  position: absolute;
  top: 0.62rem;
  left: 0;
  width: 0.58rem;
  height: 0.58rem;
  border-radius: 50%;
  background: var(--color-primary);
}

.hvac-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.hvac-gallery figure {
  position: relative;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  background: #2a2a2a;
}

.hvac-gallery-main {
  grid-column: 1 / -1;
}

.hvac-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hvac-gallery-main img {
  object-position: center 48%;
}

.hvac-gallery figcaption {
  position: absolute;
  right: 0.6rem;
  bottom: 0.6rem;
  left: 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(16, 16, 16, 0.78);
  color: #fff;
  padding: 0.45rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 850;
  line-height: 1.2;
}

.project-media-hvac {
  display: grid;
  grid-template-columns: 1.16fr 0.84fr;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 3px;
  background: #fff;
}

.project-media-hvac figure {
  min-width: 0;
  margin: 0;
  overflow: hidden;
}

.project-media-hvac .project-media-main {
  grid-row: 1 / 3;
}

.project-media-hvac img {
  object-position: center;
}

.section-trust {
  color: #fff;
  background:
    linear-gradient(135deg, rgba(16, 16, 16, 0.98), rgba(52, 47, 34, 0.96)),
    var(--color-bg-strong);
}

.section-trust .trust-item {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.07);
}

.section-trust h3,
.section-trust p {
  color: #fff;
}

.trust-item,
.info-panel {
  padding: 1.25rem;
}

.cta-section {
  padding: 4rem 0;
  background:
    linear-gradient(135deg, rgba(255, 206, 20, 0.98), rgba(231, 178, 0, 0.94)),
    var(--color-primary);
  color: var(--color-secondary);
}

.cta-inner {
  max-width: 800px;
  text-align: center;
}

.cta-inner h2,
.cta-inner p,
.cta-inner .eyebrow {
  color: var(--color-secondary);
}

.cta-inner .btn-primary {
  background: var(--color-secondary);
  color: #fff;
}

.cta-inner .btn-primary:hover {
  background: #000;
  color: #fff;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.filter-btn {
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: #fff;
  color: var(--color-text);
  padding: 0.65rem 0.9rem;
  font-weight: 800;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

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

.project-item.is-hidden {
  display: none;
}

.project-modal {
  position: fixed;
  inset: 0;
  z-index: 1500;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.project-modal.is-open {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(16, 16, 16, 0.76);
}

.modal-dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 720px);
  max-height: min(92vh, 820px);
  overflow: auto;
  border-radius: var(--radius-lg);
  background: #fff;
  padding: 1rem;
  box-shadow: var(--shadow-md);
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: #fff;
  color: var(--color-bg-strong);
  font-size: 1.5rem;
  line-height: 1;
}

.modal-image .placeholder,
.modal-image > img,
.modal-image .project-media {
  min-height: 300px;
  margin-bottom: 1.2rem;
}

.modal-image > img {
  width: 100%;
  max-height: 460px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.modal-image .project-media {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
}

.modal-image .project-media img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
}

.contact-grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 1rem;
  padding: 1.2rem;
}

.form-row {
  display: grid;
  gap: 0.4rem;
}

.form-row label {
  font-weight: 800;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-text);
  padding: 0.8rem 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-color: var(--color-primary-dark);
  box-shadow: 0 0 0 4px rgba(255, 206, 20, 0.24);
  outline: 0;
}

.form-row.has-error input,
.form-row.has-error select,
.form-row.has-error textarea {
  border-color: #b42318;
}

.field-error {
  min-height: 1.2em;
  color: #b42318;
  font-weight: 700;
}

.checkbox-row {
  grid-template-columns: 20px 1fr;
  align-items: start;
}

.checkbox-row .field-error {
  grid-column: 2;
}

.checkbox-row input {
  width: 18px;
  height: 18px;
  margin-top: 0.2rem;
}

.form-status {
  min-height: 1.4rem;
  margin: 0;
  font-weight: 700;
}

.form-status[data-state="success"] {
  color: #166534;
}

.form-status[data-state="error"] {
  color: #b42318;
}

.contact-form > .btn:disabled {
  cursor: wait;
  opacity: 0.7;
}

.form-honeypot {
  display: none;
}

.contact-aside {
  display: grid;
  gap: 1rem;
}

.coverage-panel {
  margin: 0;
  overflow: hidden;
  border: 1px solid #343434;
  border-radius: var(--radius-md);
  background:
    radial-gradient(ellipse at 80% 55%, rgba(255, 206, 20, 0.08), transparent 65%),
    #191b1e;
  color: #fff;
}

.coverage-heading {
  padding: 1.5rem 1.5rem 0;
}

.coverage-heading .eyebrow {
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.coverage-heading h2 {
  margin: 0;
  color: #fff;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.2;
}

.coverage-map {
  width: 100%;
  height: auto;
}

.coverage-panel figcaption {
  margin: 0 1.5rem;
  border-top: 1px solid #414245;
  padding: 1rem 0 1.5rem;
}

.coverage-panel figcaption p {
  margin: 0;
  color: #c5c7cb;
}

.coverage-panel .coverage-legend {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
}

.coverage-legend span {
  flex: 0 0 20px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-primary);
}

.check-list {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding-left: 1.15rem;
}

.gallery-preview {
  grid-template-columns: 1fr;
}

.gallery-preview .placeholder {
  min-height: 190px;
}

.gallery-preview img {
  width: 100%;
  min-height: 220px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.brand-logos {
  display: grid;
  gap: 1rem;
}

.brand-logo {
  display: grid;
  place-items: center;
  min-height: 150px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  padding: 1.5rem;
  box-shadow: 0 10px 26px rgba(16, 16, 16, 0.05);
}

.brand-logo img {
  width: auto;
  max-width: 100%;
  max-height: 84px;
  object-fit: contain;
}

.site-footer {
  background: var(--color-bg-strong);
  color: rgba(255, 255, 255, 0.78);
  padding: 3rem 0 1.5rem;
}

.site-footer h2 {
  color: #fff;
  font-size: 1rem;
}

.site-footer a {
  display: block;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 0.45rem;
}

.site-footer a:hover {
  color: #fff;
}

.footer-grid {
  display: grid;
  gap: 1.7rem;
}

.footer-brand {
  margin-bottom: 1rem;
  color: #fff;
}

.footer-brand img {
  width: 210px;
  height: 59px;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  margin-top: 2rem;
  padding-top: 1.2rem;
  font-size: 0.9rem;
}

.footer-bottom a {
  display: inline;
}

.back-to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 900;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-secondary);
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-dark);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (min-width: 640px) {
  .container {
    width: min(100% - 48px, var(--container));
  }

  .site-header .brand img {
    width: 176px;
    height: 50px;
  }

  .gallery-preview,
  .brand-logos {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 1.5rem;
  }

  .form-row.full,
  .contact-form > .btn,
  .form-status {
    grid-column: 1 / -1;
  }
}

@media (min-width: 640px) and (max-width: 899px) {
  .services-grid,
  .trust-grid,
  .values-grid,
  .projects-grid,
  .featured-projects {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .services-grid > *,
  .trust-grid > *,
  .values-grid > *,
  .projects-grid > *,
  .featured-projects > * {
    grid-column: span 2;
    min-width: 0;
  }

  .services-grid > :last-child:nth-child(odd),
  .trust-grid > :last-child:nth-child(odd),
  .values-grid > :last-child:nth-child(odd),
  .projects-grid > :last-child:nth-child(odd),
  .featured-projects > :last-child:nth-child(odd) {
    grid-column: 2 / span 2;
  }

  .projects-grid.has-single-result > .project-item:not(.is-hidden) {
    grid-column: 2 / span 2;
  }
}

@media (max-width: 639px) {
  .filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.3rem;
    -webkit-overflow-scrolling: touch;
  }

  .hero-actions .btn,
  .cta-inner .btn {
    width: 100%;
  }
}

@media (min-width: 900px) {
  .header-inner {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
  }

  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: none;
  }

  .main-nav {
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    border: 0;
    background: transparent;
    box-shadow: none;
    padding: 0;
  }

  .main-nav a {
    padding: 0.55rem 0.65rem;
    font-size: 0.94rem;
    white-space: nowrap;
  }

  .language-switcher {
    gap: 0.18rem;
    margin-top: 0;
    margin-left: 0.15rem;
    border-top: 0;
    border-left: 1px solid var(--color-border);
    padding-top: 0;
    padding-left: 0.45rem;
  }

  .hero,
  .page-hero {
    padding: 6rem 0;
  }

  .hero-grid,
  .page-hero-grid,
  .section-split,
  .contact-grid,
  .capability-shell,
  .hvac-layout {
    grid-template-columns: minmax(0, 1fr) minmax(340px, 0.82fr);
  }

  .hvac-layout {
    grid-template-columns: minmax(320px, 0.82fr) minmax(0, 1.18fr);
  }

  .hvac-gallery {
    min-height: 540px;
    grid-template-columns: 1.14fr 0.86fr;
    grid-template-rows: repeat(2, minmax(0, 1fr));
  }

  .hvac-gallery figure {
    aspect-ratio: auto;
  }

  .hvac-gallery-main {
    grid-column: 1;
    grid-row: 1 / 3;
  }

  .hero-content {
    padding-right: 1rem;
  }

  .placeholder-hero {
    min-height: 440px;
  }

  .hero-photo {
    min-height: 440px;
  }

  .section {
    padding: 5rem 0;
  }

  .services-grid,
  .projects-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .services-grid > *,
  .projects-grid > * {
    grid-column: span 2;
    min-width: 0;
  }

  .services-grid > :last-child:nth-child(3n + 1),
  .projects-grid > :last-child:nth-child(3n + 1) {
    grid-column: 3 / span 2;
  }

  .services-grid > :nth-last-child(2):nth-child(3n + 1),
  .projects-grid > :nth-last-child(2):nth-child(3n + 1) {
    grid-column: 2 / span 2;
  }

  .projects-grid.has-single-result > .project-item:not(.is-hidden) {
    grid-column: 3 / span 2;
  }

  .trust-grid {
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }

  .trust-grid > * {
    grid-column: span 2;
    min-width: 0;
  }

  .trust-grid > :last-child:nth-child(4n + 1) {
    grid-column: 4 / span 2;
  }

  .trust-grid > :nth-last-child(2):nth-child(4n + 1) {
    grid-column: 3 / span 2;
  }

  .trust-grid > :nth-last-child(3):nth-child(4n + 1) {
    grid-column: 2 / span 2;
  }

  .values-grid {
    grid-template-columns: repeat(10, minmax(0, 1fr));
  }

  .values-grid > * {
    grid-column: span 2;
    min-width: 0;
  }

  .featured-projects {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .featured-projects > * {
    grid-column: span 2;
    min-width: 0;
  }

  .featured-projects > :last-child:nth-child(odd) {
    grid-column: 2 / span 2;
  }

  .process {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .process-step {
    border-top: 4px solid var(--color-primary);
    border-left: 0;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
  }

  .gallery-preview {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .brand-logos {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1.4fr 0.8fr 1fr 1fr;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

@media (min-width: 1120px) {
  .header-cta {
    display: inline-flex;
  }

  .main-nav a {
    padding: 0.6rem 0.8rem;
  }

  .main-nav .language-switcher a {
    padding: 0.35rem;
  }
}