.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(215, 226, 223, 0.75);
}
.nav-shell {
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  color: var(--ink);
  width: 210px;
  flex: none;
}
.brand svg,
.brand img {
  width: 100%;
}
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-left: auto;
}
.desktop-nav a,
.menu-button {
  font-weight: 750;
  text-decoration: none;
  color: var(--ink);
}
.desktop-nav a:hover {
  color: var(--primary);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.nav-phone {
  white-space: nowrap;
}
.menu-button {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 0.65rem;
  padding: 0.68rem 0.82rem;
}
.mobile-panel {
  visibility: hidden;
  pointer-events: none;
  position: fixed;
  inset: 0 0 0 auto;
  width: min(420px, 92vw);
  background: #fff;
  z-index: var(--z-menu);
  transform: translateX(105%);
  transition: transform var(--normal) var(--ease);
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.2);
  padding: 1rem 1.2rem 2rem;
  overflow: auto;
}
.mobile-panel.is-open {
  visibility: visible;
  pointer-events: auto;
  transform: none;
}
.mobile-panel nav {
  display: grid;
  gap: 0.45rem;
  margin-top: 2rem;
}
.mobile-panel a,
.mobile-panel summary {
  padding: 0.8rem 0;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}
.mobile-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(3, 20, 24, 0.58);
  z-index: calc(var(--z-menu) - 1);
}
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4rem, 9vw, 9rem) 0;
  background: linear-gradient(135deg, #f8fbfa 0%, #e4f0ed 100%);
}
.hero:after {
  content: "";
  position: absolute;
  width: 38rem;
  height: 38rem;
  border-radius: 50%;
  right: -12rem;
  top: -18rem;
  background: radial-gradient(circle, var(--accent) 0 2%, transparent 3% 100%);
  background-size: 24px 24px;
  opacity: 0.22;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.75fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}
.hero-copy p {
  max-width: 58ch;
}
.hero-visual {
  position: relative;
}
.hero-visual img {
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
}
.hero-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  padding: clamp(1.2rem, 3vw, 2rem);
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}
.grid {
  display: grid;
  gap: 1.25rem;
}
.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.76fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: center;
}
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: end;
  margin-bottom: 2.2rem;
}
.section-head > p {
  max-width: 54ch;
}
.stack > * + * {
  margin-top: 1.2rem;
}
.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.stat {
  background: #fff;
  padding: 1.6rem;
}
.stat strong {
  display: block;
  font-size: clamp(1.7rem, 4vw, 3rem);
  color: var(--primary);
}
.footer {
  background: #092f36;
  color: #fff;
  padding: 4rem 0 7rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2rem;
}
.footer a {
  color: #d8e7e7;
  text-decoration: none;
}
.footer nav {
  display: grid;
  gap: 0.55rem;
}
.subfooter {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  font-size: 0.88rem;
}
.breadcrumbs li + li:before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--muted);
}
.page-hero {
  padding: clamp(3.4rem, 7vw, 6.5rem) 0;
  background: var(--soft);
}
.page-hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.8rem);
}
.mobile-actions {
  display: none;
  position: fixed;
  left: 0.65rem;
  right: 0.65rem;
  bottom: max(0.65rem, env(safe-area-inset-bottom));
  z-index: 45;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.18);
  padding: 0.5rem;
}
.mobile-actions a {
  flex: 1;
  text-align: center;
  text-decoration: none;
  font-weight: 800;
  padding: 0.72rem 0.4rem;
  border-radius: 0.7rem;
  color: var(--ink);
}
.mobile-actions a:first-child {
  background: var(--primary);
  color: #fff;
}
.scroll-top {
  position: fixed;
  right: 1rem;
  bottom: 5.5rem;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: 0;
  background: var(--ink);
  color: #fff;
  z-index: 40;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--fast);
}
.scroll-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}
.anchor-offset {
  scroll-margin-top: 95px;
}
.nav-dropdown {
  position: relative;
}
.desktop-menu-button {
  display: inline-flex;
  background: transparent;
  border: 0;
  padding: 0.55rem 0.1rem;
}
.desktop-dropdown {
  position: absolute;
  top: calc(100% + 0.8rem);
  left: -1rem;
  min-width: 230px;
  padding: 0.7rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  box-shadow: var(--shadow);
  z-index: 90;
}
.desktop-dropdown a {
  display: block;
  padding: 0.65rem 0.7rem;
  border-radius: 0.5rem;
}
.desktop-dropdown a:hover {
  background: var(--soft);
}
.theme-electrical .desktop-dropdown {
  background: #161c26;
}