:root {
  --primary: #dd3333;
  --primary-dark: #b82b2b;
  --dark: #161616;
  --muted: #555;
  --light: #f5f4f1;
  --panel: #ffffff;
  --border: #e8e5e1;
  --footer: #253044;
  --footer-text: #a7abb3;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Public Sans', Arial, sans-serif;
  color: var(--dark);
  background: #fff;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1200;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 16px;
  flex-wrap: nowrap;
  background: #1a1a1a;
  color: #d5d5d5;
  padding: 8px 5vw;
  font-size: 13px;
}

.topbar-links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: nowrap;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #d5d5d5;
  white-space: nowrap;
}

.topbar-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  font-size: 12px;
  color: #fff;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
}

.topbar a { color: #d5d5d5; }

.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  flex-shrink: 0;
}

.lang-pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #d5d5d5;
}

.lang-pill.active {
  background: var(--primary);
  color: #fff;
}

.site-header {
  position: fixed;
  top: 40px;
  left: 0;
  right: 0;
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  background: #fff;
  border-bottom: 1px solid #eee;
  box-shadow: 0 1px 0 rgba(0,0,0,0.05);
  padding: 18px 5vw;
}

.header-call {
  white-space: nowrap;
}

.brand img { height: 69px; width: auto; }

.main-nav {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: space-evenly;
  flex-wrap: wrap;
}

.nav-item { position: relative; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid #ddd;
  background: #fff;
  border-radius: 6px;
  padding: 9px 8px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--dark);
  margin: 5px 0;
  border-radius: 2px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--dark);
  font-size: 17px;
  font-weight: 600;
  padding: 14px 0;
  white-space: nowrap;
  border: 0;
  background: transparent;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  font-family: inherit;
}

.nav-link:hover, .nav-link.active { color: var(--primary); }

.nav-arrow { font-size: 18px; line-height: 1; }

.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 20;
  display: block;
  min-width: 360px;
  background: #c72b2b;
  box-shadow: 0 8px 14px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}

.has-submenu:hover .submenu,
.has-submenu:focus-within .submenu,
.has-submenu.open .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.submenu-link {
  position: relative;
  display: block;
  padding: 10px 14px;
  color: #fff;
  background: #c72b2b;
  border-bottom: 1px solid rgba(255,255,255,.3);
  font-size: 13px;
  font-weight: 600;
  text-align: left;
  width: 100%;
  box-sizing: border-box;
  border-left: 0;
  border-right: 0;
  border-top: 0;
  box-shadow: none;
  appearance: none;
  -webkit-appearance: none;
  font-family: inherit;
}

.submenu-link:hover, .submenu-link.active { background: #a92323; color: #fff; }

.submenu-link:focus { outline: none; }
.submenu-link:focus-visible { outline: 2px solid rgba(255,255,255,.85); outline-offset: -2px; }

.submenu-item { position: relative; }

.submenu-arrow {
  position: absolute;
  right: 14px;
  font-size: 20px;
  line-height: 1;
}

.nested-submenu {
  position: absolute;
  top: 0;
  left: 100%;
  z-index: 21;
  display: block;
  min-width: 330px;
  background: #c72b2b;
  box-shadow: 0 8px 14px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}

.has-nested-submenu:hover .nested-submenu,
.has-nested-submenu.open .nested-submenu {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.btn {
  display: inline-block;
  border-radius: 2px;
  font-weight: 700;
  font-size: 14px;
  padding: 12px 22px;
  transition: .2s ease;
}

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

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

.site-main {
  padding-top: 186px;
}

.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  padding: 100px 5vw;
  color: #fff;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.48);
  z-index: 0;
}

.hero-slider::before { display: none; }
.hero-slider::after { z-index: 1; background: linear-gradient(90deg, rgba(0,0,0,.68), rgba(0,0,0,.3) 58%, rgba(0,0,0,.42)); }
.hero-slides { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-slide { position: absolute; inset: 0; margin: 0; opacity: 0; visibility: hidden; transition: opacity .8s ease, visibility .8s ease; }
.hero-slide.active { opacity: 1; visibility: visible; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-content { z-index: 2; }
.hero-control { position: absolute; top: 50%; z-index: 3; display: flex; align-items: center; justify-content: center; width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.5); border-radius: 50%; background: rgba(0,0,0,.28); color: #fff; font: 32px/1 Arial, sans-serif; cursor: pointer; transform: translateY(-50%); transition: background .2s ease, border-color .2s ease; }
.hero-control:hover, .hero-control:focus-visible { background: var(--primary); border-color: var(--primary); outline: none; }
.hero-prev { left: 24px; }
.hero-next { right: 24px; }
.hero-slider-footer { position: absolute; right: 5vw; bottom: 34px; z-index: 3; display: flex; align-items: center; gap: 14px; }
.hero-pause { display: flex; align-items: center; justify-content: center; width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.6); border-radius: 50%; background: rgba(0,0,0,.28); color: #fff; font-size: 12px; cursor: pointer; }
.hero-pause:hover, .hero-pause:focus-visible { background: var(--primary); border-color: var(--primary); outline: none; }
.hero-dots { display: flex; gap: 8px; align-items: center; }
.hero-dot { width: 9px; height: 9px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.55); cursor: pointer; }
.hero-dot.active, .hero-dot:hover, .hero-dot:focus-visible { background: #fff; outline: 2px solid rgba(255,255,255,.45); outline-offset: 2px; }

.hero-content, .hero-media { position: relative; z-index: 1; }
.hero-slider .hero-content { z-index: 2; }

.hero-content {
  max-width: 650px;
}

.kicker {
  color: #d9a441;
  font-weight: 700;
  letter-spacing: 1.5px;
  font-size: 13px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.25;
  margin: 0 0 20px;
  font-weight: 800;
}

.hero p {
  font-size: 18px;
  line-height: 1.6;
  color: #ebebeb;
  margin: 0 0 30px;
  max-width: 560px;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 80px 5vw;
}

.section-title {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 800;
  text-align: center;
  margin: 0 0 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--muted);
  font-size: 17px;
  max-width: 640px;
  margin: 0 auto 24px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.info-card {
  display: block;
  /*padding: 32px;*/
  padding: 16px;
  border: 1px solid var(--border);
  border-top: 3px solid var(--primary);
  background: #fff;
  box-shadow: var(--shadow);
}

.info-card h3 {
  font-size: 20px;
  margin: 0 0 12px;
}

.info-card p { color: var(--muted); margin: 0 0 16px; }

.info-card span {
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
}

.gallery-page { padding-top: 72px; padding-bottom: 90px; }
.gallery-intro { display: flex; justify-content: space-between; gap: 30px; align-items: end; padding-bottom: 30px; }
.gallery-intro p:last-child { max-width: 560px; margin: 0; color: var(--muted); font-size: 17px; }
.gallery-video { position: relative; max-width: 1080px; aspect-ratio: 16 / 9; margin: 0 auto 42px; overflow: hidden; background: #1c2025; }
.gallery-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.gallery-slideshow { max-width: 1080px; margin: 0 auto; }
.gallery-stage { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: #1c2025; }
.gallery-slide { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; margin: 0; opacity: 0; visibility: hidden; transition: opacity .35s ease, visibility .35s ease; }
.gallery-slide.active { opacity: 1; visibility: visible; }
.gallery-slide img { width: 100%; height: 100%; object-fit: contain; }
.gallery-control { position: absolute; top: 50%; z-index: 2; display: flex; align-items: center; justify-content: center; width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.45); border-radius: 50%; background: rgba(0,0,0,.46); color: #fff; font: 32px/1 Arial, sans-serif; cursor: pointer; transform: translateY(-50%); transition: background .2s ease, border-color .2s ease; }
.gallery-control:hover, .gallery-control:focus-visible { background: var(--primary); border-color: var(--primary); outline: none; }
.gallery-prev { left: 20px; }
.gallery-next { right: 20px; }
.gallery-toolbar { display: flex; align-items: center; gap: 18px; min-height: 70px; padding: 14px 18px; background: var(--light); }
.gallery-counter { min-width: 48px; color: var(--muted); font-size: 13px; font-weight: 800; }
.gallery-pause { display: flex; align-items: center; justify-content: center; width: 32px; height: 32px; flex: 0 0 32px; border: 1px solid var(--border); border-radius: 50%; background: #fff; color: var(--dark); font-size: 12px; cursor: pointer; }
.gallery-pause:hover, .gallery-pause:focus-visible { border-color: var(--primary); color: var(--primary); outline: none; }
.gallery-dots { display: flex; flex: 1; flex-wrap: wrap; gap: 8px; align-items: center; }
.gallery-dot { width: 8px; height: 8px; padding: 0; border: 0; border-radius: 50%; background: #c8c8c8; cursor: pointer; }
.gallery-dot.active, .gallery-dot:hover, .gallery-dot:focus-visible { background: var(--primary); outline: none; }

.sector-page { padding-top: 72px; padding-bottom: 90px; }
.sector-intro { display: grid; grid-template-columns: minmax(250px, .8fr) 1.2fr; gap: 60px; align-items: end; padding-bottom: 48px; border-bottom: 1px solid var(--border); }
.eyebrow { margin: 0 0 8px; color: var(--primary); font-size: 11px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.sector-intro h2 { max-width: 440px; margin: 0; font-size: clamp(28px, 3vw, 42px); line-height: 1.12; }
.sector-intro > p { max-width: 680px; margin: 0; color: var(--muted); font-size: 17px; }
.sector-index { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 48px 0 72px; background: var(--border); border: 1px solid var(--border); }
.sector-index a { display: flex; gap: 12px; align-items: center; min-height: 72px; padding: 14px 18px; background: #fff; color: var(--dark); font-weight: 700; font-size: 14px; }
.sector-index a:hover { color: var(--primary); background: #fffafa; }
.sector-index span, .sector-section-heading > span { color: var(--primary); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.sector-section { scroll-margin-top: 190px; padding: 0 0 72px; margin-bottom: 72px; border-bottom: 1px solid var(--border); }
.sector-section:last-child { margin-bottom: 0; border-bottom: 0; }
.sector-section-heading { display: flex; gap: 20px; align-items: flex-start; margin-bottom: 28px; }
.sector-section-heading h2 { margin: 0; max-width: 760px; font-size: clamp(25px, 3vw, 38px); line-height: 1.15; }
.sector-section h3 { margin: 0 0 10px; font-size: 18px; }
.sector-section p { color: var(--muted); }
.sector-section > p { max-width: 920px; }
.sector-columns { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(260px, .8fr); gap: 42px; align-items: start; }
.sector-columns > div > p:last-child { margin-bottom: 0; }
.sector-list-panel, .sector-highlight { padding: 26px; background: var(--light); border-top: 3px solid var(--primary); }
.sector-list-panel ul, .sector-grid-3 ul, .sector-callout ul { margin: 0; padding: 0; list-style: none; }
.sector-list-panel li, .sector-grid-3 li, .sector-callout li { position: relative; margin: 0 0 10px; padding-left: 18px; color: var(--muted); }
.sector-list-panel li::before, .sector-grid-3 li::before, .sector-callout li::before { content: ''; position: absolute; left: 0; top: .7em; width: 6px; height: 6px; background: var(--primary); border-radius: 50%; }
.sector-note { margin-top: 28px; padding: 18px 22px; border-left: 3px solid var(--primary); background: #fff7f5; }
.sector-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin: 30px 0; }
.sector-grid-3 > div { padding: 24px; border: 1px solid var(--border); }
.sector-grid-3 > .sector-highlight { border: 0; }
.sector-highlight strong { display: block; margin-top: 22px; color: var(--dark); }
.services-page { padding-top: 48px; }
.service-copy { max-width: 920px; }
.service-list-block { margin-top: 34px; padding: 28px; background: var(--light); border-top: 3px solid var(--primary); }
.service-list-block h3 { margin-bottom: 20px; }
.service-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 34px; margin: 0; padding: 0; list-style: none; }
.service-list li { position: relative; margin: 0 0 12px; padding-left: 18px; color: var(--muted); }
.service-list li::before { content: ''; position: absolute; left: 0; top: .7em; width: 6px; height: 6px; background: var(--primary); border-radius: 50%; }
.sector-callout { margin-top: 30px; padding: 30px; background: #253044; color: #fff; }
.sector-callout h3 { color: #fff; }
.sector-callout p, .sector-callout li { color: #d8dde5; }
.tag-list { display: flex !important; flex-wrap: wrap; gap: 8px 10px; margin: 0; padding: 0; list-style: none; }
.tag-list li { margin: 0 !important; padding: 7px 12px !important; background: #fff; border: 1px solid var(--border); font-size: 13px; }
.tag-list li::before { display: none; }
.detection-limits { display: grid; grid-template-columns: 1fr auto; gap: 10px 18px; margin: 0; color: var(--muted); }
.detection-limits dt, .detection-limits dd { margin: 0; }
.detection-limits dd { color: var(--primary); font-weight: 800; }

.light-panel {
  background: var(--light);
}

.intro-section {
  background: var(--light);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.intro-layout {
  display: flex;
  gap: 72px;
  align-items: flex-start;
}

.intro-heading {
  flex: 0 1 34%;
  padding-top: 8px;
}

.intro-heading .kicker { margin-bottom: 10px; }

.intro-heading h2 {
  margin: 0 0 18px;
  color: var(--dark);
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.15;
}

.intro-heading p {
  max-width: 280px;
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 17px;
}

.text-link {
  color: var(--primary);
  font-weight: 700;
}

.text-link span {
  display: inline-block;
  margin-left: 6px;
  transition: transform .2s ease;
}

.text-link:hover span { transform: translateX(4px); }

.intro-copy {
  flex: 1 1 620px;
  padding-left: 28px;
  border-left: 3px solid var(--primary);
}

.intro-copy p {
  margin: 0 0 20px;
  color: #3f3f3f;
  font-size: 17px;
  line-height: 1.8;
}

.intro-copy p:last-child { margin-bottom: 0; }

.why-section { scroll-margin-top: 150px; }

.why-layout {
  gap: 32px;
}

.why-column {
  flex: 1 1 420px;
}

.why-feature {
  position: relative;
  padding: 0 0 20px 22px;
  margin-bottom: 20px;
  border-left: 3px solid var(--primary);
}

.why-feature::before {
  content: "";
  position: absolute;
  top: 10px;
  left: -5px;
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
}

.why-feature strong {
  display: block;
  margin-bottom: 6px;
  color: var(--dark);
  font-size: 18px;
}

.why-feature p,
.why-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.why-panel {
  margin-bottom: 24px;
  padding: 26px 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-top: 3px solid var(--primary);
  box-shadow: var(--shadow);
}

.why-panel h3 {
  margin: 0 0 10px;
  color: var(--dark);
  font-size: 20px;
}

.why-panel h3:not(:first-child) { margin-top: 24px; }

.why-list {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.why-list li::marker { color: var(--primary); }

.why-list-columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 24px;
}

.two-col {
  display: flex;
  gap: 56px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.contact-info, .contact-form-panel {
  flex: 1 1 360px;
}

.contact-list { display: grid; gap: 22px; }

.contact-map {
  height: 300px;
  margin-top: 44px;
  border-top: 3px solid var(--primary);
  box-shadow: var(--shadow);
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
}

.contact-item .label {
  display: block;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.contact-form-panel {
  background: var(--light);
  padding: 36px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px;
  border: 1px solid #ddd;
  font: inherit;
  background: #fff;
}

.contact-form textarea { min-height: 140px; resize: vertical; }

.form-button {
  border: none;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  padding: 16px;
  cursor: pointer;
}

.form-button:hover { background: var(--primary-dark); }

.form-status {
  padding: 12px 14px;
  background: #edf8ee;
  border: 1px solid #bfe0c2;
  color: #206c30;
  font-weight: 600;
}

.form-status.error {
  background: #fff1f0;
  border-color: #f0b5af;
  color: #9f2f25;
}

/* .page-hero {
  position: relative;
  padding: 60px 5vw;
  background: linear-gradient(90deg, rgba(10,10,10,0.78) 0%, rgba(10,10,10,0.38) 100%), url('office-desk.jpg') center/cover no-repeat;
  background-size: cover;
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
} */
.page-hero {
  position: relative;
  padding: 60px 5vw;
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background:
    radial-gradient(circle at top left, rgba(255,255,255,0.18), transparent 28%),
    radial-gradient(circle at bottom right, rgba(221,51,51,0.28), transparent 30%),
    linear-gradient(135deg, #171717 0%, #2b1818 28%, #7c1d1d 58%, #d93c3c 100%);
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10,18,28,0.6), rgba(10,18,28,0.18));
}

.page-hero h1 {
  position: relative;
  z-index: 1;
  color: #fff;
  font-size: clamp(30px, 3.5vw, 46px);
  margin: 0;
  max-width: 850px;
  width: 100%;
}

.site-footer {
  background: var(--footer);
  color: var(--footer-text);
  padding: 60px 5vw 24px;
  border-top: 4px solid var(--primary);
}

.footer-grid {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.footer-brand strong {
  display: block;
  color: #fff;
  font-size: 17px;
  line-height: 1.2;
}

.footer-brand span {
  display: block;
  color: var(--footer-text);
  font-size: 11px;
}

.site-footer h4 {
  color: #fff;
  font-size: 14px;
  margin: 0 0 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.site-footer .footer-group-label {
  color: #fff;
  font-weight: 600;
}

.site-footer a,
.site-footer p {
  color: var(--footer-text);
}

.copyright {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  text-align: center;
  margin: 20px 0 0;
  font-size: 13px;
  color: #7d8490;
}

.footer-credit {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-credit img {
  display: block;
  width: 126px;
  height: auto;
  max-width: 100%;
}

@media (max-width: 900px) {
  .site-header {
    justify-content: center;
    text-align: center;
    padding-top: 14px;
    padding-bottom: 14px;
  }
  .brand { width: 100%; display: flex; justify-content: center; }
  .main-nav { justify-content: center; }
  .topbar { gap: 8px; }
  .intro-layout { gap: 32px; }
  .intro-heading { flex-basis: 30%; }
  .sector-intro { grid-template-columns: 1fr; gap: 24px; }
  .sector-index { grid-template-columns: repeat(3, 1fr); }
  .sector-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .gallery-intro { display: block; }
  .gallery-intro p:last-child { margin-top: 14px; }
}

@media (min-width: 641px) and (max-width: 1000px) {
  .site-header {
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px 12px;
    padding: 14px 20px;
  }

  .brand {
    width: auto;
    flex: 0 0 auto;
  }

  .brand img {
    height: 48px;
  }

  .header-call {
    display: inline-flex;
    margin-left: auto;
    padding: 10px 16px;
    font-size: 12px;
  }

  .main-nav {
    order: 3;
    flex: 1 1 100%;
    justify-content: space-between;
    gap: 4px 12px;
    padding-top: 6px;
    text-align: center;
  }

  .nav-item {
    flex: 1 1 auto;
    min-width: 0;
  }

  .nav-link {
    font-size: 14px;
    padding: 8px 0;
    justify-content: center;
  }

  .submenu {
    min-width: 250px;
  }
}

@media (max-width: 640px) {
  .topbar {
    justify-content: center;
    gap: 8px;
    flex-wrap: nowrap;
    padding-left: 12px;
    padding-right: 12px;
  }
  .topbar-links {
    gap: 8px;
  }
  .topbar-item {
    gap: 5px;
    font-size: 11px;
  }
  .topbar-icon {
    width: 14px;
    height: 14px;
    font-size: 11px;
  }
  .site-main { padding-top: 124px; }
  .hero { min-height: 500px; padding: 72px 12vw 100px; }
  .hero-control { width: 38px; height: 38px; font-size: 27px; }
  .hero-control { top: auto; bottom: 22px; transform: none; }
  .hero-prev { left: 14px; }
  .hero-next { right: 14px; }
  .hero-slider-footer { right: auto; bottom: 24px; left: 50%; transform: translateX(-50%); }
  .page-hero { min-height: 150px; }
  .contact-form-panel { padding: 24px 18px; }
  .sector-page { padding-top: 42px; padding-bottom: 56px; }
  .services-page { padding-top: 24px; }
  .gallery-page { padding-top: 42px; padding-bottom: 56px; }
  .gallery-stage { aspect-ratio: 4 / 3; }
  .gallery-control { width: 38px; height: 38px; font-size: 27px; }
  .gallery-prev { left: 12px; }
  .gallery-next { right: 12px; }
  .gallery-toolbar { gap: 12px; padding: 12px; }
  .gallery-dots { gap: 7px; }
  .sector-index { grid-template-columns: 1fr 1fr; margin: 34px 0 52px; }
  .sector-index a { min-height: 58px; padding: 12px; font-size: 12px; }
  .sector-section { margin-bottom: 52px; padding-bottom: 52px; }
  .sector-section-heading { gap: 12px; }
  .sector-columns, .sector-grid-3 { grid-template-columns: 1fr; gap: 24px; }
  .service-list { grid-template-columns: 1fr; }
  .sector-list-panel, .sector-highlight, .sector-callout { padding: 22px; }
  .intro-layout { display: block; }
  .intro-heading { padding-top: 0; margin-bottom: 32px; }
  .intro-heading p { max-width: none; }
  .intro-copy { padding-left: 18px; }
  .why-list-columns { grid-template-columns: 1fr; }
  .site-header {
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    padding-top: 12px;
    padding-bottom: 12px;
  }
  .brand {
    display: flex;
    justify-content: flex-end;
    width: auto;
  }
  .brand img {
    height: 42px;
    width: auto;
  }
  .header-call { display: none; }
  .nav-toggle {
    display: block;
  }
  .main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 12px 0 4px;
    border-top: 1px solid #eee;
  }
  .main-nav.open { display: flex; }
  .nav-link { width: 100%; justify-content: center; color: var(--dark); font-size: 14px; padding: 6px 0; }
  .nav-item { width: 100%; }
  .submenu {
    position: static;
    display: none;
    min-width: 0;
    width: 100%;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .has-submenu.open .submenu { display: grid; }
  .submenu-link {
    text-align: center;
    font-size: 12px;
    cursor: pointer;
    width: 100%;
    border: 0;
    font-family: inherit;
  }
  .submenu-arrow {
    position: static;
    display: inline-block;
    margin-left: 8px;
    transform: rotate(90deg);
    vertical-align: middle;
  }
  .nested-submenu {
    position: static;
    display: none;
    min-width: 0;
    width: 100%;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .submenu-item.has-nested-submenu.open > .nested-submenu { display: block; }
  .submenu-item.has-nested-submenu > .submenu-link {
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }
}