@import url('https://fonts.googleapis.com/css2?family=Inter+Tight:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,800;1,900&family=JetBrains+Mono:wght@500;600&display=swap');

:root {
  --background: #0b0b0d;
  --foreground: #f4f6f8;
  --surface: #141519;
  --surface-2: #1b1d22;
  --muted: #8f98a3;
  --border: #2a2d33;
  --accent: #1fb5ff;
  --accent-2: #33ccff;
  --accent-rgb: 31, 181, 255;
  --shadow: 0 18px 60px rgba(0,0,0,.35);
  --hero-mid: #8b95a8;
  --kicker-live: #6ec8f0;
  --kicker-live-border: rgba(31, 181, 255, 0.45);
  --section-kicker: #9aa5b5;
  --media-bg: #0c0d10;
  --focus-ring: rgba(31, 181, 255, 0.55);
  --font-sans: 'Inter Tight', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --text-lead: 18px;
  --text-section: 15px;
  --text-card: 14px;
  --header-h: 72px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  background: radial-gradient(circle at top, rgba(var(--accent-rgb), 0.08), transparent 28%), var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  line-height: 1.5;
  overflow-x: clip;
  -webkit-text-size-adjust: 100%;
}
body.menu-open {
  overflow: hidden;
  touch-action: none;
}
.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--foreground);
  color: var(--background);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.skip-link:focus {
  top: 12px;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.mt-section { margin-top: 24px; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 30;
  backdrop-filter: blur(14px);
  background: rgba(11,11,13,.78);
  border-bottom: 1px solid rgba(255,255,255,.06);
  padding-left: var(--safe-left);
  padding-right: var(--safe-right);
}
.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: var(--safe-top);
}
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand-logo {
  width: clamp(108px, 12.5vw, 172px);
  height: auto;
  object-fit: contain;
}
.nav { display: flex; gap: 28px; align-items: center; }
.nav a {
  color: var(--muted);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .12em;
  transition: color 0.2s ease;
}
.nav a.active, .nav a:hover { color: var(--foreground); }
.header-cta { display: inline-flex; align-items: center; justify-content: center; padding: 12px 18px; background: var(--foreground); color: var(--background); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .14em; }
.header-cta { transition: background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease; }
.header-cta:hover {
  background: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 0 24px rgba(var(--accent-rgb), 0.35);
}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--foreground);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  font-size: 20px;
  line-height: 1;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, background 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}
.menu-toggle:hover {
  border-color: rgba(var(--accent-rgb), 0.5);
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.15);
  color: var(--accent);
}
.menu-toggle[aria-expanded="true"] {
  border-color: rgba(var(--accent-rgb), 0.55);
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.1);
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.2);
}
.menu-toggle__icon { display: block; }
.menu-toggle__corner { opacity: 0.85; }
.mobile-menu {
  display: block;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  border-top: 1px solid transparent;
  background: rgba(20, 21, 25, 0.98);
  box-shadow: none;
  transition:
    max-height 0.38s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.28s ease,
    visibility 0.38s,
    border-color 0.28s ease,
    box-shadow 0.28s ease;
}
.mobile-menu.open {
  max-height: min(85vh, 640px);
  opacity: 1;
  visibility: visible;
  border-top-color: var(--border);
  box-shadow: var(--shadow);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.mobile-menu .container {
  padding-top: 12px;
  padding-bottom: calc(16px + var(--safe-bottom));
}
.mobile-menu nav { display: grid; padding: 4px 0 8px; gap: 2px; }
.mobile-menu a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 13px;
  color: var(--foreground);
  -webkit-tap-highlight-color: transparent;
}
.mobile-menu nav a:last-child {
  margin-top: 10px;
  justify-content: center;
  min-height: 50px;
  padding: 14px 16px !important;
  text-align: center;
  background: var(--accent);
  color: var(--background) !important;
  border: 1px solid var(--accent) !important;
  border-bottom: 1px solid var(--accent) !important;
  font-weight: 800;
  letter-spacing: 0.14em;
}
.mobile-menu nav a:last-child:hover {
  background: var(--foreground) !important;
  color: var(--background) !important;
  padding-left: 16px !important;
}
.mobile-menu-cta {
  margin-top: 10px;
  padding: 14px 16px !important;
  text-align: center;
  background: var(--accent);
  color: var(--background) !important;
  border: 1px solid var(--accent) !important;
  font-weight: 800;
  letter-spacing: 0.14em;
}
.mobile-menu-cta:hover {
  background: var(--foreground) !important;
  color: var(--background) !important;
  padding-left: 16px !important;
}
.hero, .page-hero {
  padding: 72px 0 56px;
  background-image: radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 40px 40px;
}
.hero-grid, .detail-hero {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 42px; align-items: center;
}
/* Kickers: сірий за замовчуванням; акцентний блакитний — .kicker--accent і .label */
.kicker {
  font-size: 11px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--section-kicker);
  font-weight: 500;
  margin-bottom: 18px;
}
.kicker--accent {
  color: var(--accent);
  letter-spacing: .22em;
  font-weight: 600;
}
/* Герой: індикатор «на лінії» + рамка-пігулка */
.kicker--live {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  max-width: 100%;
  padding: 8px 16px 8px 12px;
  margin-bottom: 22px;
  border: 1px solid var(--kicker-live-border);
  border-radius: 999px;
  color: var(--kicker-live);
  letter-spacing: .2em;
  background: rgba(20, 21, 25, 0.65);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35);
}
.kicker__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(var(--accent-rgb), 0.75);
  flex-shrink: 0;
  animation: kicker-live-pulse 1.8s ease-in-out infinite;
}
.kicker__sep { opacity: 0.55; }
.kicker__year { letter-spacing: .18em; }
@keyframes kicker-live-pulse {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0.45); }
  50% { opacity: 0.88; transform: scale(0.92); box-shadow: 0 0 0 8px rgba(var(--accent-rgb), 0); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .kicker__dot { animation: none; }
  .btn:hover, .btn-outline:hover, button.btn:hover,
  .cap-card:hover, .info-card:hover, .adv:hover,
  .contact-card:hover, .card:hover, .list-item:hover { transform: none; }
  .list-item:hover .list-arrow { transform: none; }
  .card:hover .card-image img { transform: none; }
  .hud-frame:hover::before, .hud-frame:hover::after,
  .hud-frame:hover .hud-inner::before, .hud-frame:hover .hud-inner::after { transform: none; }
  .card.is-filtered-enter { animation: none; }
  .card[data-category], .card.is-filtered-leave,
  .cap-card, .info-card, .adv, .contact-card, .list-item,
  .filter-btn, .header-cta, .menu-toggle, .catalog-link,
  .footer a, .nav a, .hud-frame::before, .hud-frame::after,
  .hud-inner::before, .hud-inner::after,
  .mobile-menu {
    transition: none !important;
  }
}
/* Заголовки hero / page-hero: нахил + опційний сірий рядок hero-title__line--mid */
.hero-title,
.hero h1:not(.hero-title),
.page-hero h1:not(.hero-title),
.detail-copy h1 {
  margin: 0;
  font-size: clamp(40px, 7vw, 92px);
  line-height: 0.94;
  text-transform: uppercase;
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.03em;
  transform: skewX(-4deg);
  transform-origin: left center;
}
.hero .hero-title { transform: skewX(-5deg); }
.page-hero .hero-title,
.page-hero h1:not(.hero-title) { font-size: clamp(36px, 6vw, 74px); }
.hero-title__line { display: block; color: var(--foreground); }
.hero-title__line--mid { color: var(--hero-mid); }
.lead {
  color: #c9ced6;
  max-width: 720px;
  font-size: var(--text-lead);
  line-height: 1.55;
  margin-top: 22px;
}
.detail-copy .lead { max-width: none; }
.section-copy {
  font-size: var(--text-section);
  line-height: 1.6;
}
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.btn, .btn-outline {
  display: inline-flex; align-items: center; justify-content: center; padding: 14px 20px; border: 1px solid transparent; text-transform: uppercase; letter-spacing: .14em; font-size: 12px; font-weight: 800;
}
.btn,
button.btn {
  background: var(--accent);
  color: var(--background);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover,
button.btn:hover {
  background: var(--foreground);
  transform: translateY(-1px);
  box-shadow: 0 0 20px rgba(var(--accent-rgb), 0.25);
}
.btn-outline { border-color: var(--border); color: var(--foreground); transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease; }
.btn-outline:hover { background: var(--surface-2); transform: translateY(-1px); }
.hud-frame {
  position: relative; padding: 12px; border: 1px solid var(--border); background: rgba(20,21,25,.78); box-shadow: var(--shadow);
}
.hud-frame::before, .hud-frame::after, .hud-inner::before, .hud-inner::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--accent);
  border-style: solid;
  opacity: 0.75;
  transition: opacity 0.35s ease, transform 0.35s ease, filter 0.35s ease;
  pointer-events: none;
}
.hud-frame:hover::before,
.hud-frame:hover::after,
.hud-frame:hover .hud-inner::before,
.hud-frame:hover .hud-inner::after {
  opacity: 1;
  filter: drop-shadow(0 0 6px rgba(var(--accent-rgb), 0.55));
}
.hud-frame:hover::before { transform: translate(-2px, -2px); }
.hud-frame:hover::after { transform: translate(2px, -2px); }
.hud-frame:hover .hud-inner::before { transform: translate(-2px, 2px); }
.hud-frame:hover .hud-inner::after { transform: translate(2px, 2px); }
.hud-frame::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.hud-frame::after { top: -1px; right: -1px; border-width: 1px 1px 0 0; }
.hud-inner::before { bottom: -1px; left: -1px; border-width: 0 0 1px 1px; }
.hud-inner::after { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }
.hud-frame img { width: 100%; height: auto; object-fit: contain; background: var(--media-bg); }
.hero-image {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-image img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  object-position: center;
  background: var(--media-bg);
}
.detail-image {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 260px;
}
.detail-image img {
  width: 100%;
  max-height: 440px;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  object-position: center;
  background: var(--media-bg);
}
.detail-image--portrait img {
  aspect-ratio: 4 / 5;
  max-height: 520px;
}
.panel-note { display: flex; justify-content: space-between; gap: 18px; padding: 10px 4px 0; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .18em; }
.metrics {
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: rgba(255,255,255,.02);
}
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.metric { padding: 26px 24px; border-right: 1px solid var(--border); }
.metric:last-child { border-right: 0; }
.metric-value {
  font-size: clamp(24px, 4vw, 42px);
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  transform: skewX(-3deg);
  transform-origin: left center;
}
.metric {
  transition: background 0.25s ease, box-shadow 0.25s ease;
}
.metric:hover {
  background: rgba(255, 255, 255, 0.04);
  box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb), 0.12);
}
.metric .label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}
.metric-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .14em; margin-top: 6px; }
.section { padding: 72px 0; }
.section-top { display: flex; align-items: end; justify-content: space-between; gap: 18px; margin-bottom: 28px; }
.section-top--solo { align-items: flex-end; }
.section-top--solo h2 { margin: 0; }
.product-cta .section-copy { margin-top: 12px; }
.product-related > .card-grid { margin-top: 0; }
.section h2 { margin: 0; font-size: clamp(28px, 4vw, 52px); font-weight: 900; font-style: italic; letter-spacing: -.03em; text-transform: uppercase; transform: skewX(-3deg); transform-origin: left center; }
.section-copy { color: var(--muted); max-width: 740px; }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.card {
  display: block; border: 1px solid var(--border); background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01)); padding: 12px; transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(var(--accent-rgb),.5); box-shadow: 0 0 0 1px rgba(var(--accent-rgb),.08), var(--shadow); }
.card-image {
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  aspect-ratio: 16 / 10;
  background: var(--media-bg);
}
.card-image--portrait { aspect-ratio: 4 / 5; }
.card-image img {
  width: 100%;
  height: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
  background: var(--media-bg);
  transition: transform 0.5s ease;
}
.card-grid--filter { align-items: stretch; }
.card[data-category] {
  transition: opacity 0.32s ease, transform 0.32s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.card.is-filtered-hidden { display: none !important; }
.card.is-filtered-leave {
  opacity: 0;
  transform: translateY(10px) scale(0.98);
  pointer-events: none;
}
@keyframes card-filter-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.card.is-filtered-enter { animation: card-filter-in 0.35s ease forwards; }
.card:hover .card-image img { transform: scale(1.04); }
.card-meta { display: flex; justify-content: space-between; gap: 14px; margin-top: 14px; }
.label {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.card h3 {
  margin: 8px 0 0;
  font-size: 24px;
  font-weight: 800;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: -.02em;
  transform: skewX(-3deg);
  transform-origin: left center;
}
.card p { color: var(--muted); font-size: var(--text-card); line-height: 1.55; margin: 10px 0 0; }
.card-cta { margin-top: 18px; border: 1px solid var(--border); text-align: center; padding: 12px; font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .14em; }
.card:hover .card-cta { background: var(--foreground); color: var(--background); }
.list { display: grid; gap: 14px; }
.list-item {
  display: grid;
  grid-template-columns: 70px 240px 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 18px 16px;
  margin: 0 -16px;
  border-top: 1px solid var(--border);
  border-radius: 2px;
  transition: background 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}
.list-item:last-child { border-bottom: 1px solid var(--border); }
.list-item:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(var(--accent-rgb), 0.25);
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.08), inset 0 0 40px rgba(var(--accent-rgb), 0.04);
}
.list-item img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  background: var(--media-bg);
  border: 1px solid var(--border);
  transition: border-color 0.28s ease;
}
.list-item:hover img { border-color: rgba(var(--accent-rgb), 0.4); }
.list-item:hover h3 { color: var(--accent); }
.list-item h3 {
  margin: 0;
  font-size: 30px;
  text-transform: uppercase;
  font-style: italic;
  letter-spacing: -.02em;
  transform: skewX(-2deg);
  transform-origin: left center;
  transition: color 0.25s ease;
}
.list-item p { color: var(--muted); font-size: var(--text-card); line-height: 1.55; margin: 8px 0 0; max-width: 520px; }
.list-item .list-arrow {
  transition: transform 0.28s ease, color 0.28s ease, letter-spacing 0.28s ease;
}
.list-item:hover .list-arrow {
  transform: translateX(6px);
  color: var(--foreground);
  letter-spacing: 0.28em;
}
.code {
  color: var(--muted);
  font-size: 12px;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.06em;
}
.detail-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 42px; align-items: start; }
.detail-sections { display: grid; grid-template-columns: 1.05fr .95fr; gap: 32px; margin-top: 24px; }
.detail-sections .spec-table,
.detail-sections .adv-list { margin-top: 18px; }
.band .detail-sections { margin-top: 24px; }
.band .detail-sections .list { gap: 12px; }
.section .info-grid,
.band .info-grid { margin-top: 24px; }
.section > .container > .card-grid { margin-top: 24px; }
.rd-grid .list { margin-top: 24px; }
.form-panel .form-stack { margin-top: 16px; }
.form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}
.section-copy--note { margin-top: 12px; }
.section-copy--after-grid { margin-top: 28px; }
.spec-table { border-top: 1px solid var(--border); }
.spec-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.spec-row strong { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .16em; font-weight: 600; }
.adv-list { display: grid; gap: 12px; }
.adv {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 16px 18px;
  transition: border-color .28s ease, box-shadow .28s ease, transform .28s ease;
}
.adv:hover {
  border-color: rgba(var(--accent-rgb), 0.55);
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.12), 0 14px 48px rgba(var(--accent-rgb), 0.1);
  transform: translateY(-2px);
}
.adv span {
  color: var(--accent);
  display: inline-block;
  margin-right: 10px;
  font-size: 12px;
  font-family: var(--font-mono);
  font-weight: 600;
}
.band { background: rgba(255,255,255,.02); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.cap-grid, .info-grid, .rd-grid, .contacts-grid { display: grid; gap: 18px; }
.cap-grid { grid-template-columns: repeat(3, 1fr); }
.cap-card {
  transition: border-color .28s ease, box-shadow .28s ease, transform .28s ease;
}
.cap-card h3 {
  margin: 10px 0 0;
  font-size: 22px;
  font-weight: 800;
  font-style: italic;
  text-transform: uppercase;
  transform: skewX(-2deg);
  transform-origin: left center;
}
.cap-card:hover {
  border-color: rgba(var(--accent-rgb), 0.55);
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.12), 0 14px 48px rgba(var(--accent-rgb), 0.1);
  transform: translateY(-2px);
}
.info-grid { grid-template-columns: repeat(4, 1fr); }
.rd-grid { grid-template-columns: 1.1fr .9fr; align-items: start; }
.rnd-images {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  align-items: stretch;
}
.rnd-images img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  border: 1px solid var(--border);
  background: var(--media-bg);
}
.contacts-grid { grid-template-columns: .9fr 1.1fr; }
.contact-card, .info-card, .cap-card {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 22px;
  transition: border-color .28s ease, box-shadow .28s ease, transform .28s ease;
}
.info-card:hover, .contact-card:hover {
  border-color: rgba(var(--accent-rgb), 0.55);
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.12), 0 14px 48px rgba(var(--accent-rgb), 0.1);
  transform: translateY(-2px);
}
.contact-card a {
  color: var(--foreground);
  transition: color 0.2s ease;
}
.contact-card a:hover { color: var(--accent); }
.contact-card strong, .info-card strong, .cap-card strong {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  font-family: var(--font-mono);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
}
.form-panel { border: 1px solid var(--border); background: var(--surface); padding: 24px; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
label { display: block; margin-bottom: 6px; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .14em; }
input, textarea {
  width: 100%; background: #0f1115; color: var(--foreground); border: 1px solid var(--border); padding: 12px 14px; font: inherit;
}
textarea { min-height: 140px; resize: vertical; }
.footer {
  padding: 28px 0 32px;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
  gap: 20px 24px;
  align-items: start;
}
.footer .brand-logo { width: clamp(96px, 10.5vw, 138px); }
.footer p,
.footer li,
.footer address {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}
.footer > .container > .footer-grid > div:first-child > p {
  margin: 10px 0 0;
  max-width: 36ch;
}
.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px 16px;
}
.footer .label {
  margin-bottom: 0;
  font-size: 10px;
  letter-spacing: 0.12em;
}
.footer ul {
  list-style: none;
  padding: 0;
  margin: 6px 0 0;
  display: grid;
  gap: 5px;
}
.footer li a { font-size: 13px; }
.footer-columns > div:nth-child(3) ul {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 12px;
}
.footer-bottom {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 16px;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.filter-btn {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  padding: 10px 14px;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 12px;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
}
.filter-btn:hover:not(.active) {
  border-color: rgba(var(--accent-rgb), 0.45);
  color: var(--foreground);
  background: rgba(var(--accent-rgb), 0.06);
}
.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--background);
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.35), 0 0 18px rgba(var(--accent-rgb), 0.22);
}
.back-link { display: inline-block; margin-bottom: 20px; color: var(--muted); text-transform: uppercase; letter-spacing: .14em; font-size: 12px; }
.back-link { transition: color .2s ease; }
.back-link:hover { color: var(--accent); }
.section-cta { text-align: center; }
.section-cta .section-copy { margin: 18px auto 0; }
.section-cta .actions { justify-content: center; }
.catalog-link {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s ease, letter-spacing 0.2s ease, gap 0.2s ease;
}
.catalog-link::after {
  content: '→';
  transition: transform 0.2s ease;
}
.catalog-link:hover {
  color: var(--foreground);
  letter-spacing: 0.2em;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.catalog-link:hover::after { transform: translateX(5px); }
.section-cta .kicker {
  color: var(--section-kicker);
  letter-spacing: 0.28em;
  font-weight: 500;
}
.section-cta-band .section-top { margin-bottom: 22px; }
.section-cta-band .section-top h2 { font-size: clamp(28px, 4vw, 52px); }
.footer a { transition: color 0.2s ease; }
.footer a:hover { color: var(--accent); }
.footer-bottom a {
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.footer-bottom a:hover { color: var(--accent); }
.mobile-menu a { transition: color .2s ease, padding-left .2s ease; }
.mobile-menu a:not(.mobile-menu-cta):hover { color: var(--accent); padding-left: 6px; }
.mobile-menu-cta:focus-visible { outline-offset: 2px; }
button.btn:focus-visible { outline-offset: 2px; }
.brand:focus-visible { outline-offset: 4px; }
:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}
.btn:focus-visible,
.btn-outline:focus-visible,
.filter-btn:focus-visible,
.header-cta:focus-visible,
.menu-toggle:focus-visible { outline-offset: 2px; }
input:focus-visible,
textarea:focus-visible {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.card:focus-visible { outline-offset: 4px; }
.nav a.active { position: relative; }
.nav a.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--accent);
}
@media (max-width: 980px) {
  :root { --header-h: 64px; }
  .nav, .header-cta { display: none; }
  .menu-toggle { display: inline-flex; }
  .header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }
  .hero-grid, .detail-hero, .detail-layout, .detail-sections, .rd-grid, .contacts-grid, .footer-grid { grid-template-columns: 1fr; }
  .detail-layout { gap: 28px; }
  .detail-sections { gap: 40px; }
  .cap-grid, .info-grid, .card-grid { grid-template-columns: 1fr 1fr; }
  .card-meta { flex-direction: column; align-items: flex-start; gap: 10px; }
  .card-meta .code { align-self: flex-start; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .metric:nth-child(2) { border-right: 0; }
  .list:not(.list--projects) .list-item { grid-template-columns: 50px 180px 1fr; }
  .list:not(.list--projects) .list-item .list-arrow { grid-column: 2 / span 2; padding-top: 6px; }
  .list--projects .list-item { grid-template-columns: 1fr; }
  .section-top {
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 16px;
  }
  .filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 8px;
    margin-bottom: 20px;
    padding-bottom: 6px;
  }
  .filter-bar::-webkit-scrollbar { display: none; }
  .filter-btn {
    flex-shrink: 0;
    min-height: 44px;
    padding: 12px 16px;
  }
}
@media (max-width: 760px) {
  .cap-grid, .info-grid, .card-grid { grid-template-columns: 1fr; }
  .rnd-images { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .container { width: min(100% - 24px, 1180px); }
  .hero, .page-hero { padding: 48px 0 40px; }
  .section { padding: 48px 0; }
  .lead { font-size: 16px; margin-top: 18px; }
  .hero-grid, .detail-layout { gap: 24px; }
  .page-hero .hero-title,
  .page-hero h1:not(.hero-title) { font-size: clamp(32px, 9vw, 56px); }
  .hero .hero-title { font-size: clamp(36px, 11vw, 64px); }
  .section h2 { font-size: clamp(26px, 7vw, 44px); }
  .cap-grid, .info-grid, .card-grid, .form-grid { grid-template-columns: 1fr; }
  .spec-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 16px 0;
  }
  .spec-row strong { display: block; line-height: 1.4; }
  .spec-row div { font-size: 15px; line-height: 1.5; word-break: break-word; }
  .actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-top: 22px;
  }
  .actions .btn,
  .actions .btn-outline {
    width: 100%;
    min-height: 48px;
    justify-content: center;
  }
  .section-top {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    margin-bottom: 22px;
  }
  .section-top--solo { align-items: stretch; }
  .catalog-link {
    align-self: stretch;
    justify-content: center;
    min-height: 48px;
    padding: 14px 16px;
    border: 1px solid var(--border);
    background: rgba(var(--accent-rgb), 0.06);
  }
  .back-link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    margin-bottom: 16px;
  }
  .panel-note {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    letter-spacing: 0.12em;
  }
  .detail-image { min-height: 200px; }
  .detail-image img { max-height: 320px; }
  .hero-image img { aspect-ratio: 4 / 3; }
  .card-image { min-height: 180px; }
  .form-actions {
    flex-direction: column-reverse;
    align-items: stretch;
    gap: 12px;
  }
  .form-actions .btn {
    width: 100%;
    min-height: 48px;
  }
  .form-actions .code { text-align: center; }
  .footer { padding: 24px 0 calc(28px + var(--safe-bottom)); }
  .footer-grid { gap: 18px; }
  .list:not(.list--projects) .list-item { grid-template-columns: 1fr; gap: 12px; }
  .list:not(.list--projects) .list-item img { max-width: 100%; width: 100%; }
  .list--projects {
    display: grid;
    gap: 18px;
  }
  .list--projects .list-item {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    margin: 0;
    padding: 12px;
    border: 1px solid var(--border);
    border-top: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
  }
  .list--projects .list-item:last-child { border-bottom: 1px solid var(--border); }
  .list--projects .list-item .code {
    order: 1;
    font-size: 11px;
  }
  .list--projects .list-item img {
    order: 2;
    width: 100%;
    max-width: none;
    aspect-ratio: 16 / 10;
    object-fit: contain;
  }
  .list--projects .list-item > div:not(.code):not(.list-arrow) {
    order: 3;
  }
  .list--projects .list-item h3 {
    font-size: 24px;
  }
  .list--projects .list-item .list-arrow {
    order: 4;
    grid-column: auto;
    padding-top: 0;
    margin-top: 4px;
    border: 1px solid var(--border);
    text-align: center;
    padding: 12px;
    width: 100%;
  }
  .list--projects .list-item:hover .list-arrow {
    background: var(--foreground);
    color: var(--background);
    transform: none;
  }
  .metrics-grid { grid-template-columns: 1fr; }
  .metric { border-right: 0; border-bottom: 1px solid var(--border); }
  .metric:last-child { border-bottom: 0; }
  .footer-columns {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 16px;
  }
  .footer-columns > div:nth-child(3) { grid-column: 1 / -1; }
  .footer > .container > .footer-grid > div:first-child > p { max-width: none; }
  .footer-bottom { flex-direction: row; flex-wrap: wrap; gap: 8px; }
  .kicker--live {
    letter-spacing: 0.14em;
    font-size: 10px;
    padding: 7px 14px 7px 11px;
    gap: 8px;
  }
  .adv { padding: 14px 16px; }
  .adv:hover { transform: none; }
  .contact-card, .info-card, .cap-card, .card:hover, .list-item:hover { transform: none; }
}
@media (max-width: 480px) {
  .container { width: min(100% - 20px, 1180px); }
  .brand-logo { width: clamp(90px, 30vw, 126px); }
  .header-inner { gap: 10px; }
  .nav a { font-size: 13px; }
  .metric { padding: 20px 18px; }
  .metric-value { font-size: clamp(22px, 8vw, 32px); }
  .card h3 { font-size: 20px; }
  .list--projects .list-item h3 { font-size: 22px; }
  .form-panel { padding: 18px; }
  input, textarea {
    font-size: 16px;
    min-height: 48px;
  }
  textarea { min-height: 120px; }
  .filter-btn { font-size: 11px; padding: 11px 14px; }
}

/* i18n lang switch */
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.lang-switch {
  position: relative;
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  min-width: 92px;
  padding: 3px;
  border: 1px solid rgba(var(--accent-rgb), 0.28);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
    rgba(8, 10, 14, 0.92);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 0 0 1px rgba(0, 0, 0, 0.35),
    0 0 24px rgba(var(--accent-rgb), 0.12);
  isolation: isolate;
}
.lang-switch::before,
.lang-switch::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  border: 1px solid rgba(var(--accent-rgb), 0.45);
  pointer-events: none;
  opacity: 0.7;
}
.lang-switch::before {
  top: -1px;
  left: 10px;
  border-right: 0;
  border-bottom: 0;
}
.lang-switch::after {
  right: 10px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
}
.lang-switch__thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: calc(50% - 3px);
  height: calc(100% - 6px);
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2, #33ccff));
  box-shadow:
    0 0 18px rgba(var(--accent-rgb), 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
  transition: transform 0.38s cubic-bezier(0.34, 1.2, 0.64, 1);
  z-index: 0;
}
.lang-switch[data-active='en'] .lang-switch__thumb {
  transform: translateX(100%);
}
.lang-switch__btn {
  position: relative;
  z-index: 1;
  min-width: 42px;
  padding: 7px 10px;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(244, 246, 248, 0.42);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color 0.25s ease, opacity 0.25s ease;
}
.lang-switch__btn:hover:not(.is-active) {
  color: rgba(244, 246, 248, 0.72);
}
.lang-switch__btn.is-active {
  color: #061018;
  font-weight: 800;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.2);
}
/* Fallback if thumb is missing: highlight active label on dark track */
.lang-switch:not(:has(.lang-switch__thumb)) .lang-switch__btn.is-active {
  color: var(--foreground);
  text-shadow: 0 0 14px rgba(var(--accent-rgb), 0.45);
}
.lang-switch:not(:has(.lang-switch__thumb)) .lang-switch__btn.is-active::after {
  content: '';
  position: absolute;
  inset: 2px 4px;
  border-radius: 999px;
  border: 1px solid rgba(var(--accent-rgb), 0.65);
  box-shadow: 0 0 12px rgba(var(--accent-rgb), 0.35);
  pointer-events: none;
  z-index: -1;
}
.lang-switch__btn:focus-visible {
  outline: 2px solid rgba(var(--accent-rgb), 0.65);
  outline-offset: 2px;
  border-radius: 999px;
}
.lang-switch--mobile {
  margin-bottom: 22px;
  width: fit-content;
}
.mobile-menu .lang-switch--mobile {
  display: inline-grid;
}
@media (max-width: 980px) {
  .header-actions > .lang-switch:not(.lang-switch--mobile) {
    display: inline-grid;
  }
  .mobile-menu .lang-switch--mobile {
    display: none;
  }
  .lang-switch__btn {
    min-width: 44px;
    min-height: 40px;
    padding: 8px 10px;
  }
}