:root {
  --dark: #111111;
  --gray: #777777;
  --light: #f4f4f4;
  --light-2: #f8f8f8;
  --border: #e9e9e9;
  --primary: #7fa044;
  --primary-dark: #5f7d31;
  --white: #ffffff;
  --container: 1170px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--dark);
  font: 16px/1.8 "Open Sans", Arial, sans-serif;
  background: #fff;
}
main {
  display: block;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
.container { width: min(var(--container), calc(100vw - 32px)); margin: 0 auto; }
.page-section { padding: 88px 0; }
.small-section { padding: 18px 0; }
.bg-gray { background: var(--light); }
.bg-gray-lighter { background: var(--light-2); }
.page-section:last-of-type {
  padding-bottom: 110px;
}
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-white { color: var(--white); }
.section-title-wrap { margin-bottom: 48px; text-align: center; }
.section-kicker {
  margin-bottom: 10px;
  color: var(--primary-dark);
  font-family: "Dosis", Arial, sans-serif;
  font-size: 14px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}
.section-title {
  margin: 0 0 14px;
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 1.2;
  font-weight: 700;
}
.section-copy { max-width: 760px; margin: 0 auto; color: var(--gray); }
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  transition: background 0.25s ease, box-shadow 0.25s ease;
}
.site-header.is-sticky {
  position: sticky;
  background: rgba(17,17,17,0.92);
  box-shadow: 0 2px 12px rgba(0,0,0,0.16);
}
.header-inner {
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: #fff;
}
.brand-mark {
  width: 62px;
  height: 62px;
  padding: 6px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.96);
  box-shadow: 0 10px 26px rgba(0,0,0,0.18);
}
.brand-logo {
  width: 100%;
  height: auto;
}
.brand-text strong,
.brand-text span { display: block; }
.brand-text strong { font-size: 17px; font-weight: 700; }
.brand-text span {
  font-size: 12px;
  color: rgba(255,255,255,0.72);
  font-family: "Dosis", Arial, sans-serif;
  letter-spacing: 0.18em;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.main-nav a {
  color: rgba(255,255,255,0.9);
  font-family: "Dosis", Arial, sans-serif;
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.main-nav a.active,
.main-nav a:hover { color: #fff; }
.contact-pill {
  color: #fff;
  border: 1px solid rgba(255,255,255,0.38);
  padding: 10px 16px;
  font-family: "Dosis", Arial, sans-serif;
  letter-spacing: 0.08em;
}
.mobile-toggle {
  display: none;
  width: 42px;
  height: 42px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.4);
}
.mobile-toggle span,
.mobile-toggle span::before,
.mobile-toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: #fff;
  position: relative;
  margin: 0 auto;
}
.mobile-toggle span::before,
.mobile-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}
.mobile-toggle span::before { top: -6px; }
.mobile-toggle span::after { top: 6px; }
.hero {
  position: relative;
  min-height: 740px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(rgba(0,0,0,0.45), rgba(0,0,0,0.45)),
    url("images/pexels/hero-sky.jpg") center center / cover no-repeat;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.12), rgba(0,0,0,0.35));
}
.hero .container { position: relative; z-index: 1; }
.hero-content {
  max-width: 760px;
  margin: 0 auto;
  padding-top: 90px;
  text-align: center;
  color: #fff;
}
.hero-kicker {
  margin-bottom: 18px;
  font-family: "Dosis", Arial, sans-serif;
  font-size: 15px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}
.hero-title {
  margin: 0 0 18px;
  font-size: clamp(2.5rem, 5vw, 4.4rem);
  line-height: 1.18;
  font-weight: 700;
}
.hero-title span {
  display: block;
}
.hero-copy {
  margin: 0 auto 28px;
  max-width: 720px;
  color: rgba(255,255,255,0.86);
}
.btn-row { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }
.btn {
  display: inline-block;
  min-width: 160px;
  padding: 14px 28px;
  border: 2px solid transparent;
  font-family: "Dosis", Arial, sans-serif;
  font-size: 15px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-align: center;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-secondary { border-color: rgba(255,255,255,0.8); color: #fff; }
.info-strip {
  color: #fff;
  background: #2f2f2f;
}
.info-strip .strip-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
}
.strip-text { font-size: 15px; }
.strip-phone { font-size: 17px; font-weight: 700; color: #fff; }
.services-grid,
.features-grid,
.case-grid,
.contact-grid,
.download-grid,
.gallery-grid,
.stats-grid,
.timeline-grid {
  display: grid;
  gap: 30px;
}
.services-grid,
.features-grid,
.case-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.service-card,
.feature-card,
.case-card,
.contact-card,
.download-card,
.timeline-card,
.stat-card {
  background: #fff;
}
.service-card { text-align: center; padding: 0 18px; }
.service-media {
  margin: 0 auto 22px;
  width: 100%;
  max-width: 240px;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--light);
}
.service-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.service-title,
.feature-title,
.case-title,
.stat-title,
.timeline-title {
  margin: 0 0 10px;
  font-size: 24px;
  font-weight: 700;
}
.service-copy,
.feature-copy,
.case-copy,
.timeline-copy,
.stat-copy,
.contact-copy,
.download-copy { color: var(--gray); }
.about-split,
.page-split,
.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 36px; align-items: center; }
.photo-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.photo-grid img,
.case-card img,
.gallery-grid img,
.page-image img { width: 100%; height: 100%; object-fit: cover; }
.gallery-grid { grid-template-columns: repeat(12, minmax(0,1fr)); }
.gallery-grid .span-4 { grid-column: span 4; }
.gallery-grid .span-6 { grid-column: span 6; }
.gallery-grid .span-8 { grid-column: span 8; }
.gallery-tile { position: relative; min-height: 250px; overflow: hidden; }
.gallery-caption {
  position: absolute;
  left: 18px;
  bottom: 18px;
  background: rgba(255,255,255,0.94);
  padding: 10px 14px;
  font-weight: 700;
}
.dark-banner {
  background: linear-gradient(rgba(17,17,17,0.76), rgba(17,17,17,0.76)), url("images/engineering/solar-02.jpg") center center / cover no-repeat;
  color: #fff;
}
.dark-banner .section-copy { color: rgba(255,255,255,0.76); }
.case-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #fff;
}
.case-card img {
  aspect-ratio: 4 / 3;
  flex: 0 0 auto;
}
.case-body {
  flex: 1 1 auto;
  padding: 22px 22px 26px;
  border-top: 0;
  background: #fff;
}
.case-tag {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--primary-dark);
  font-family: "Dosis", Arial, sans-serif;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 13px;
}
.stats-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
.stat-card {
  background: var(--light-2);
  border: 1px solid var(--border);
  padding: 26px;
  text-align: center;
}
.stat-value {
  display: block;
  margin-bottom: 8px;
  font: 700 42px/1 "Dosis", Arial, sans-serif;
  color: var(--primary-dark);
}
.page-hero {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 170px 0 70px;
  min-height: 340px;
  background-color: #6f7478;
  text-align: center;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: -28px;
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
  transform: scale(1.04);
  filter: blur(3px) saturate(0.78) brightness(0.82);
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6,17,28,0.6) 0%, rgba(12,26,38,0.48) 60%, rgba(17,17,17,0.42) 100%);
}
.page-hero .container {
  position: relative;
  z-index: 1;
}
.page-hero-about::before {
  background-image: url("images/about/meter-color.jpg");
  background-position: center 46%;
}
.page-hero-engineering::before {
  background-image: url("images/engineering/completion-01.jpeg");
  background-position: center 52%;
}
.page-hero-projects::before {
  background-image: url("images/cases/case-08.jpg");
  background-position: center 44%;
}
.page-hero-contact::before {
  background-image: url("images/pexels/service-meeting.jpg");
  background-position: center 40%;
}
.page-hero-title {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  color: #fff;
  text-shadow: 0 4px 18px rgba(0,0,0,0.22);
}
.breadcrumbs {
  color: rgba(255,255,255,0.88);
  font-family: "Dosis", Arial, sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 13px;
  text-shadow: 0 3px 14px rgba(0,0,0,0.18);
}
.feature-card,
.download-card,
.contact-card,
.timeline-card {
  padding: 28px;
  border: 1px solid var(--border);
}
.download-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
.timeline-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
.document-preview {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: contain;
  background: #fff;
  padding: 12px;
  border: 1px solid var(--border);
  margin-bottom: 18px;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 28px;
}
.process-card {
  border: 1px solid var(--border);
  background: #fff;
}
.process-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.process-body {
  padding: 24px;
}
.process-step {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--primary-dark);
  font-family: "Dosis", Arial, sans-serif;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 13px;
}
.contact-list,
.simple-list {
  margin: 0;
  padding-left: 18px;
  color: var(--gray);
}
.form-panel {
  border: 1px solid var(--border);
  padding: 30px;
  background: #fff;
}
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.field-full { grid-column: 1 / -1; }
label { display: block; margin-bottom: 8px; font-weight: 700; }
input, textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid #d8d8d8;
  background: #fff;
  font: inherit;
}
textarea { min-height: 150px; resize: vertical; }
.check-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
.check-item { display: flex; gap: 10px; align-items: center; border: 1px solid var(--border); padding: 12px 14px; }
.check-item input { width: 18px; }
.site-footer {
  position: relative;
  z-index: 2;
  background: #1d1d1d;
  color: rgba(255,255,255,0.78);
  padding: 44px 0;
  margin-top: 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 24px;
  align-items: start;
}
.footer-title {
  margin: 0 0 14px;
  color: #fff;
  font: 700 22px/1.4 "Dosis", Arial, sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-links a { color: rgba(255,255,255,0.86); }
.reveal { opacity: 1; transform: none; }
@media (max-width: 991px) {
  .main-nav { display: none; }
  .mobile-toggle { display: inline-block; }
  .site-header.nav-open .main-nav {
    position: absolute;
    top: 100%; left: 16px; right: 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    background: rgba(17,17,17,0.97);
    padding: 18px;
  }
  .services-grid,
  .features-grid,
  .case-grid,
  .stats-grid,
  .download-grid,
  .timeline-grid,
  .process-grid,
  .about-split,
  .page-split,
  .contact-grid,
  .form-grid,
  .check-grid,
  .footer-inner { grid-template-columns: 1fr; }
  .photo-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .gallery-grid .span-4,
  .gallery-grid .span-6,
  .gallery-grid .span-8 { grid-column: auto; }
  .info-strip .strip-inner { grid-template-columns: 1fr; text-align: center; }
  .page-hero {
    padding-top: 150px;
    min-height: 300px;
  }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  .hero { min-height: 620px; }
  .hero-title { font-size: 2.4rem; }
  .photo-grid,
  .gallery-grid { grid-template-columns: 1fr; }
  .container { width: min(calc(100vw - 24px), var(--container)); }
  .header-inner { min-height: 84px; }
  .brand-mark {
    width: 52px;
    height: 52px;
    padding: 5px;
  }
  .brand-text span,
  .contact-pill { display: none; }
}