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

/* === TOKENS === */
:root {
  --brand-blue: #0095DA;
  --brand-blue-dark: #0078B0;
  --brand-blue-dim: rgba(0,149,218,0.12);
  --black: #080808;
  --dark: #111111;
  --dark-surface: #1A1A1A;
  --mid: #2A2A2A;
  --border-dark: #333333;
  --white: #FFFFFF;
  --off-white: #F0F0F0;
  --text-primary: #FFFFFF;
  --text-secondary: #999999;
  --text-on-light: #111111;
  --text-muted-light: #555555;
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Barlow', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --max-w: 1280px;
  --pad-x: 40px;
  --nav-h: 64px;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--dark); color: var(--text-primary); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: var(--font-body); }

/* === NAV === */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  background: var(--dark);
  border-bottom: 1px solid var(--border-dark);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 48px;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--white);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  text-transform: uppercase;
}
.nav-logo img { height: 48px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  flex: 1;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-cta { margin-left: auto; flex-shrink: 0; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  transition: transform 0.25s, opacity 0.25s;
}
.nav-mobile {
  display: none;
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  background: var(--black);
  z-index: 199;
  padding: 48px var(--pad-x);
  flex-direction: column;
  gap: 32px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 800;
  color: var(--white);
  transition: color 0.2s;
}
.nav-mobile a:hover { color: var(--brand-blue); }

/* === BUTTONS === */
.btn-primary {
  display: inline-block;
  background: var(--brand-blue);
  color: var(--white);
  border: none;
  border-radius: 4px;
  padding: 14px 28px;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--brand-blue-dark); }
.btn-ghost {
  display: inline-block;
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border-dark);
  border-radius: 4px;
  padding: 14px 28px;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: border-color 0.2s, color 0.2s;
}
.btn-ghost:hover { border-color: var(--brand-blue); color: var(--brand-blue); }

/* === LAYOUT === */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}
.section-pad { padding: 120px 0; }
.section-pad-sm { padding: 80px 0; }

/* === EYEBROW / LABELS === */
.eyebrow {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brand-blue);
  margin-bottom: 20px;
}
.section-line {
  display: block;
  width: 0;
  height: 1px;
  background: var(--brand-blue);
  margin-top: 20px;
  transition: width 0.8s cubic-bezier(0.16,1,0.3,1);
}
.section-line.revealed { width: 72px; }

/* === HERO === */
.hero {
  min-height: 100vh;
  background: var(--dark);
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
  position: relative;
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 60px var(--pad-x);
  width: 100%;
  display: grid;
  grid-template-columns: 55fr 45fr;
  gap: 60px;
  align-items: center;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(60px, 8vw, 120px);
  font-weight: 900;
  line-height: 0.93;
  letter-spacing: -2px;
  color: var(--white);
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero-body {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 460px;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Hero product image */
.hero-img-wrap {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  position: relative;
  overflow: visible;
}
/* Backlight glow — lifts the black valve body off the dark background */
.hero-img-wrap::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 46%;
  width: 620px;
  height: 620px;
  max-width: 92vw;
  max-height: 92vw;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(0,149,218,0.24) 0%, rgba(0,149,218,0.07) 42%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}
/* Concentric gauge rings — industrial dial motif, pulses slowly like a live readout */
.hero-img-wrap::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 46%;
  width: 360px;
  height: 360px;
  max-width: 64vw;
  max-height: 64vw;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid rgba(0,149,218,0.22);
  box-shadow:
    0 0 0 64px rgba(0,149,218,0.05),
    0 0 0 128px rgba(0,149,218,0.025);
  z-index: 0;
  pointer-events: none;
  animation: hero-ring-pulse 6s ease-in-out infinite;
}
@keyframes hero-ring-pulse {
  0%, 100% { opacity: 0.55; transform: translate(-50%, -50%) scale(1); }
  50%      { opacity: 1;    transform: translate(-50%, -50%) scale(1.05); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-img-wrap::after { animation: none; }
}
.hero-product-img {
  width: 118%;
  max-width: none;
  display: block;
  position: relative;
  z-index: 1;
  transform: rotate(5deg) translateY(-2%);
  transform-origin: center center;
  filter:
    drop-shadow(0 0 60px rgba(0,149,218,0.35))
    drop-shadow(0 24px 80px rgba(0,0,0,0.7))
    contrast(1.05) brightness(0.96);
}

/* === PRODUCT CARDS === */
.products-grid {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
  scrollbar-width: none;
}
.products-grid::-webkit-scrollbar { display: none; }
.product-card {
  background: var(--dark-surface);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  border-top: 3px solid transparent;
  transition: border-top-color 0.2s;
  overflow: hidden;
  flex: 0 0 280px;
  scroll-snap-align: start;
}
.product-card:hover { border-top-color: var(--brand-blue); }

/* Image tray — full-bleed gradient behind the product photo */
.product-img-bg {
  width: calc(100% + 56px);
  margin: -32px -28px 28px;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 28px;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
}
.product-img-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 60px rgba(0,0,0,0.55);
  pointer-events: none;
}

/* Per-card gradient identity */
.products-grid .product-card:nth-child(1) .product-img-bg {
  background: linear-gradient(145deg, #000e1e 0%, #002244 55%, #001633 100%);
}
.products-grid .product-card:nth-child(2) .product-img-bg {
  background: #001030;
}
.products-grid .product-card:nth-child(2) .product-card-img {
  object-fit: cover;
}
.products-grid .product-card:nth-child(3) .product-img-bg {
  background: linear-gradient(145deg, #180800 0%, #301400 55%, #0e0400 100%);
}
.products-grid .product-card:nth-child(4) .product-img-bg {
  background: linear-gradient(145deg, #0c001a 0%, #1a0038 55%, #080010 100%);
}
.products-grid .product-card:nth-child(5) .product-img-bg {
  background: linear-gradient(145deg, #001410 0%, #002e20 55%, #000c08 100%);
}

/* Zoomed-in trays — less padding = image fills more of the tray */
.products-grid .product-card:nth-child(1) .product-img-bg,
.products-grid .product-card:nth-child(4) .product-img-bg,
.products-grid .product-card:nth-child(5) .product-img-bg {
  padding: 4px 10px;
}

.product-card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 4px 20px rgba(0,0,0,0.6));
  transition: transform 0.25s, filter 0.25s;
}
.product-card:hover .product-card-img {
  transform: scale(1.04);
  filter: drop-shadow(0 6px 28px rgba(0,149,218,0.28));
}
.product-card-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.1;
}
.product-card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 24px;
}
.product-card-link {
  font-size: 11px;
  font-weight: 600;
  color: var(--brand-blue);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s;
}
.product-card-link:hover { gap: 10px; }

/* Products scroll nav — desktop only */
.products-scroll-nav {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 14px;
}
.scroll-btn {
  background: transparent;
  border: 1px solid var(--border-dark);
  color: var(--text-secondary);
  width: 40px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 15px;
  flex-shrink: 0;
  transition: border-color 0.2s, color 0.2s;
  border-radius: 0;
}
.scroll-btn:hover { border-color: var(--brand-blue); color: var(--brand-blue); }
.scroll-btn:disabled { opacity: 0.25; pointer-events: none; }
.scroll-track {
  flex: 1;
  height: 2px;
  background: var(--border-dark);
  position: relative;
  overflow: hidden;
}
.scroll-thumb {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: var(--brand-blue);
  transition: left 0.15s ease, width 0.15s ease;
}
@media (max-width: 768px) {
  .products-scroll-nav { display: none; }
}

/* === WHY SECTION === */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
  margin-top: 60px;
}
.why-panel {
  background: var(--dark-surface);
  padding: 48px 36px;
  position: relative;
  border-top: 3px solid var(--border-dark);
  transition: border-top-color 0.2s;
}
.why-panel:hover { border-top-color: var(--brand-blue); }
.why-number {
  font-family: var(--font-display);
  font-size: clamp(60px, 8vw, 100px);
  font-weight: 900;
  color: var(--brand-blue);
  line-height: 1;
  margin-bottom: 12px;
  opacity: 0.9;
}
.why-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.why-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* === ABOUT TEASER === */
.about-teaser-inner {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 80px;
  align-items: center;
}
.about-teaser-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -1px;
  color: var(--white);
  margin-bottom: 24px;
  text-transform: uppercase;
}
.about-teaser-body { font-size: 15px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 36px; }
.about-teaser-img-wrap {
  position: relative;
}
.about-teaser-img-wrap img {
  width: 100%;
  object-fit: cover;
  filter: brightness(0.75) saturate(0.7);
  border: 1px solid var(--border-dark);
}
.about-teaser-img-wrap::before {
  content: '';
  position: absolute;
  inset: -6px;
  border: 1px solid var(--brand-blue);
  opacity: 0.25;
  pointer-events: none;
}

/* === INDUSTRIES === */
.industries-section { background: var(--black); }
.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
  margin-top: 60px;
}
.industry-item {
  background: var(--dark);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background 0.2s;
}
.industry-item:hover { background: var(--dark-surface); }
.industry-index {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--brand-blue);
  opacity: 0.7;
}
.industry-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* === CTA STRIP === */
.cta-strip {
  background: var(--brand-blue);
  padding: 72px 0;
}
.cta-strip-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.cta-strip-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: -0.5px;
}
.btn-white {
  display: inline-block;
  background: var(--white);
  color: var(--brand-blue);
  border-radius: 4px;
  padding: 14px 32px;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s;
}
.btn-white:hover { background: var(--dark); color: var(--white); }

/* === FOOTER === */
.site-footer {
  background: var(--black);
  border-top: 3px solid var(--brand-blue);
  padding: 80px 0 0;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 60px;
  padding-bottom: 64px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-logo img { height: 48px; width: auto; }
.footer-tagline { font-size: 13px; color: var(--text-secondary); font-style: italic; margin-bottom: 6px; }
.footer-col-title {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: var(--text-secondary); transition: color 0.2s; }
.footer-links a:hover { color: var(--brand-blue); }
.footer-contact-item { margin-bottom: 14px; }
.footer-contact-label {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #444;
  margin-bottom: 4px;
}
.footer-contact-value {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.footer-contact-value a:hover { color: var(--brand-blue); }
.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 24px var(--pad-x);
  border-top: 1px solid var(--border-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-copyright { font-size: 12px; color: #444; }
.footer-gstin { font-family: var(--font-mono); font-size: 10px; color: #333; }

/* === SHORT HERO (inner pages) === */
.page-hero {
  background: var(--dark);
  padding: calc(var(--nav-h) + 80px) 0 80px;
  border-bottom: 1px solid var(--border-dark);
}
.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 100px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -2px;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}
.page-hero-sub { font-size: 15px; color: var(--text-secondary); }

/* === ABOUT PAGE === */
.about-overview {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 80px;
  align-items: start;
}
.about-pull-quote {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.05;
  letter-spacing: -0.5px;
  margin-bottom: 28px;
  border-left: 3px solid var(--brand-blue);
  padding-left: 24px;
}
.about-body { font-size: 15px; color: var(--text-secondary); line-height: 1.85; }
.stats-col { display: flex; flex-direction: column; gap: 2px; }
.stat-block {
  background: var(--dark-surface);
  border: 1px solid var(--border-dark);
  border-left: 3px solid var(--brand-blue);
  padding: 28px 24px;
}
.stat-block-number {
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: 900;
  color: var(--brand-blue);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-block-label { font-size: 12px; font-weight: 600; color: var(--text-secondary); letter-spacing: 0.08em; text-transform: uppercase; }

/* Timeline */
.timeline { position: relative; padding-left: 0; margin-top: 60px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 80px;
  top: 0; bottom: 0;
  width: 1px;
  background: var(--border-dark);
}
.timeline-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 48px;
  margin-bottom: 48px;
  align-items: start;
}
.timeline-year {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--brand-blue);
  padding-top: 4px;
  text-align: right;
  padding-right: 0;
  position: relative;
}
.timeline-year::after {
  content: '';
  position: absolute;
  right: -52px;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-blue);
  border: 2px solid var(--dark);
  box-shadow: 0 0 0 1px var(--brand-blue);
}
.timeline-content {
  background: var(--dark-surface);
  border: 1px solid var(--border-dark);
  padding: 24px 28px;
}
.timeline-event {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.timeline-detail { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* Vision / Mission */
.vmo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
}
.vmo-card {
  background: var(--off-white);
  padding: 40px 32px;
}
.vmo-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand-blue);
  margin-bottom: 16px;
}
.vmo-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  color: var(--text-on-light);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.vmo-body { font-size: 14px; color: var(--text-muted-light); line-height: 1.75; }

/* === CONTACT PAGE === */
.contact-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 80px;
  align-items: start;
}
.contact-details-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--white);
  text-transform: uppercase;
  margin-bottom: 32px;
}
.contact-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--border-dark);
}
.contact-item:first-of-type { border-top: 1px solid var(--border-dark); }
.contact-item-label {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand-blue);
  margin-bottom: 8px;
}
.contact-item-value {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.7;
}
.contact-item-value a { color: var(--text-primary); transition: color 0.2s; }
.contact-item-value a:hover { color: var(--brand-blue); }

/* Form */
.contact-form-wrap {
  background: var(--off-white);
  padding: 48px;
  border-top: 3px solid var(--brand-blue);
}
.contact-form-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  color: var(--text-on-light);
  text-transform: uppercase;
  margin-bottom: 32px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted-light);
}
.form-input, .form-select, .form-textarea {
  background: var(--white);
  border: 1px solid #DDDDDD;
  border-radius: 4px;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-on-light);
  outline: none;
  transition: border-color 0.2s;
  appearance: none;
  width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--brand-blue);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-submit {
  margin-top: 24px;
  background: var(--brand-blue);
  color: var(--white);
  border: none;
  border-radius: 4px;
  padding: 14px 32px;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background 0.2s;
}
.form-submit:hover { background: var(--brand-blue-dark); }

/* === LADV PRODUCT PAGE === */
.product-hero {
  background: var(--dark);
  padding: calc(var(--nav-h) + 80px) 0 100px;
  position: relative;
  overflow: hidden;
}
.product-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: grid;
  grid-template-columns: 6fr 4fr;
  gap: 80px;
  align-items: center;
}
.product-hero-series {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--brand-blue);
  border: 1px solid var(--brand-blue);
  padding: 4px 10px;
  margin-bottom: 24px;
}
.product-hero-title {
  font-family: var(--font-display);
  font-size: clamp(52px, 7vw, 96px);
  font-weight: 900;
  line-height: 0.93;
  letter-spacing: -2px;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 24px;
}
.product-hero-body { font-size: 15px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 36px; }
.product-hero-img { width: 100%; object-fit: contain; filter: drop-shadow(0 20px 60px rgba(0,149,218,0.1)); }

/* Problem/Solution split */
.problem-solution {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
}
.problem-panel, .solution-panel {
  padding: 48px 40px;
}
.problem-panel { background: var(--dark-surface); }
.solution-panel { background: var(--mid); }
.ps-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.solution-panel .ps-label { color: var(--brand-blue); }
.ps-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  color: var(--white);
  text-transform: uppercase;
  margin-bottom: 16px;
  line-height: 1.05;
}
.ps-body { font-size: 14px; color: var(--text-secondary); line-height: 1.8; }
.pull-quote {
  margin-top: 28px;
  padding: 20px 24px;
  border-left: 3px solid var(--brand-blue);
  background: rgba(0,149,218,0.06);
  font-size: 14px;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.7;
}

/* Model cards */
.models-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
  margin-top: 60px;
}
.model-card {
  background: var(--dark-surface);
  padding: 28px 22px;
  border-top: 3px solid transparent;
  transition: border-top-color 0.2s, background 0.2s;
}
.model-card:hover { border-top-color: var(--brand-blue); background: var(--mid); }
.model-number {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--brand-blue);
  margin-bottom: 8px;
}
.model-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-blue);
  border: 1px solid var(--brand-blue-dim);
  padding: 3px 8px;
  margin-bottom: 14px;
  background: var(--brand-blue-dim);
}
.model-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.65; }

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
  margin-top: 60px;
}
.feature-item {
  background: var(--dark);
  padding: 36px 28px;
  border-top: 3px solid transparent;
  transition: border-top-color 0.2s;
}
.feature-item:hover { border-top-color: var(--brand-blue); }
.feature-icon { font-size: 28px; margin-bottom: 16px; line-height: 1; }
.feature-name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  margin-bottom: 10px;
  line-height: 1.1;
}
.feature-detail { font-size: 13px; color: var(--text-secondary); line-height: 1.65; }

/* Advantages */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
  margin-top: 60px;
}
.advantage-card {
  background: var(--off-white);
  padding: 36px 28px;
  border-top: 3px solid var(--brand-blue);
}
.advantage-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--brand-blue);
  margin-bottom: 12px;
}
.advantage-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  color: var(--text-on-light);
  text-transform: uppercase;
  margin-bottom: 10px;
  line-height: 1.1;
}
.advantage-body { font-size: 13px; color: var(--text-muted-light); line-height: 1.7; }

/* Spec tables layout */
.spec-tables-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 60px;
}
.spec-table-wrap { }
.spec-table-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-dark);
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 12px;
  border: 1px solid var(--border-dark);
}
.spec-table th {
  background: var(--dark-surface);
  border-left: 3px solid var(--brand-blue);
  padding: 12px 16px;
  text-align: left;
  font-weight: 500;
  color: var(--brand-blue);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 10px;
}
.spec-table td {
  padding: 9px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--text-secondary);
  vertical-align: top;
}
.spec-table td:first-child { color: var(--text-primary); width: 48%; }
.spec-table tr:nth-child(even) td { background: rgba(255,255,255,0.02); }
.spec-table tr:hover td { background: rgba(0,149,218,0.06); }

/* Install locations */
.location-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; }
.location-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
  border: 1px solid var(--border-dark);
  padding: 8px 16px;
  border-radius: 2px;
  transition: border-color 0.2s, color 0.2s;
}
.location-tag:hover { border-color: var(--brand-blue); color: var(--brand-blue); }

/* Power supply */
.power-badges { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.power-badge {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--brand-blue);
  border: 1px solid var(--brand-blue);
  padding: 10px 24px;
  background: var(--brand-blue-dim);
}

/* Related products (mini cards) */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
  margin-top: 48px;
}
.related-card {
  background: var(--dark-surface);
  padding: 28px 24px;
  border-top: 3px solid transparent;
  transition: border-top-color 0.2s;
}
.related-card:hover { border-top-color: var(--brand-blue); }
.related-card-name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.related-card-desc { font-size: 13px; color: var(--text-secondary); margin-bottom: 20px; line-height: 1.6; }
.related-card-link {
  font-size: 11px;
  font-weight: 600;
  color: var(--brand-blue);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s;
}
.related-card-link:hover { gap: 10px; }

/* Section bg variants */
.bg-dark { background: var(--dark); }
.bg-black { background: var(--black); }
.bg-surface { background: var(--dark-surface); }
.bg-light { background: var(--off-white); color: var(--text-on-light); }

/* Number counter animation */
.count-el { display: inline-block; }

/* === SCROLL SEQUENCE (pressure switch page) === */
.zoom-sequence-section {
  height: 180vh;
  position: relative;
  background: var(--black);
}
.zoom-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  background: var(--black);
  border-top: 1px solid var(--border-dark);
}
.zoom-frames {
  position: relative;
  width: 100%;
  height: 100%;
}
.zoom-frame-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  padding: 48px 80px;
  box-sizing: border-box;
  opacity: 0;
  transition: opacity 0.35s ease;
}
.zoom-frame-img.active { opacity: 1; }
.zoom-hud {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 28px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 100%);
  pointer-events: none;
}
.zoom-hud-label { display: flex; align-items: baseline; gap: 14px; }
.zoom-hud-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--brand-blue);
  letter-spacing: 0.14em;
}
.zoom-hud-caption {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.zoom-dots { display: flex; gap: 8px; align-items: center; }
.zoom-dot {
  height: 3px;
  width: 20px;
  background: rgba(255,255,255,0.2);
  transition: width 0.3s ease, background 0.3s ease;
}
.zoom-dot.active { width: 40px; background: var(--brand-blue); }
@media (max-width: 768px) {
  .zoom-sequence-section { height: 150vh; }
  .zoom-frame-img { padding: 32px 24px; }
  .zoom-hud { padding: 20px 24px; }
  .zoom-hud-caption { font-size: 16px; }
}

/* === PRODUCT PAGE GRID UTILITIES === */
/* Two-column content splits */
.split-5-7 { display:grid; grid-template-columns:5fr 7fr; gap:80px; align-items:center; }
.split-7-5 { display:grid; grid-template-columns:7fr 5fr; gap:80px; align-items:center; }
.split-4-8 { display:grid; grid-template-columns:4fr 8fr; gap:80px; align-items:start; }

/* Full-viewport two-column heroes */
.full-hero       { min-height:100vh; display:grid; overflow:hidden; background:var(--dark); }
.full-hero-58-42 { grid-template-columns:58fr 42fr; }
.full-hero-55-45 { grid-template-columns:55fr 45fr; }
.full-hero-text  { display:flex; flex-direction:column; justify-content:center; padding:120px 60px 80px; }
.full-hero-img   { position:relative; overflow:hidden; background:#0A0A0A; display:flex; align-items:center; justify-content:center; }

/* Grade grid — 2-col equal with 1px gap border effect */
.grade-grid      { display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--border-dark); border:1px solid var(--border-dark); margin-bottom:1px; }
.grade-grid-last { border-top:none; margin-bottom:0; }

/* ZAL acronym rows */
.zal-row        { display:grid; grid-template-columns:auto 1fr; border-bottom:1px solid var(--border-dark); }
.zal-row:last-child { border-bottom:none; }
.zal-letter-col { padding:52px 60px 52px 0; border-right:1px solid var(--border-dark); display:flex; align-items:center; }
.zal-text-col   { padding:52px 0 52px 60px; display:flex; flex-direction:column; justify-content:center; }
.zal-letter     { font-family:var(--font-display); font-size:clamp(80px,12vw,160px); font-weight:900; color:var(--brand-blue); line-height:1; letter-spacing:-4px; }

/* === RESPONSIVE === */
@media (max-width: 1100px) {
  .models-grid { grid-template-columns: repeat(3, 1fr); }
  .features-grid { grid-template-columns: repeat(3, 1fr); }
  .product-card { flex: 0 0 240px; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 900px) {
  :root { --pad-x: 24px; }
  /* Utility grid collapses */
  .split-5-7, .split-7-5, .split-4-8 { grid-template-columns:1fr; gap:40px; }
  .full-hero-58-42, .full-hero-55-45  { grid-template-columns:1fr; min-height:auto; }
  .full-hero-text { padding:72px 24px 48px; border:none !important; }
  .full-hero-img  { min-height:280px; padding:40px 24px; border:none !important; }
  .grade-grid     { grid-template-columns:1fr; }
  .zal-row        { grid-template-columns:1fr; }
  .zal-letter-col { padding:28px 0 12px; border-right:none; border-bottom:1px solid var(--border-dark); }
  .zal-text-col   { padding:16px 0 28px; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-title { font-size: clamp(52px, 10vw, 80px); }
  .hero-product-img { width: 100%; transform: rotate(3deg); }
  .about-overview { grid-template-columns: 1fr; }
  .about-teaser-inner { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .problem-solution { grid-template-columns: 1fr; }
  .spec-tables-row { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .vmo-grid { grid-template-columns: 1fr; }
  .cta-strip-inner { flex-direction: column; align-items: flex-start; }
  .product-hero-inner { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --pad-x: 20px; }
  .split-5-7, .split-7-5, .split-4-8 { gap:28px; }
  .full-hero-text { padding:56px 20px 40px; }
  .full-hero-img  { min-height:220px; }
  .zal-letter     { font-size:clamp(56px,16vw,80px); letter-spacing:-2px; }
  .section-pad { padding: 72px 0; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .models-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .related-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .form-grid { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 32px 24px; }
  .timeline::before { left: 60px; }
  .timeline-item { grid-template-columns: 60px 1fr; gap: 32px; }
}