:root {
  --ink: #051124;
  --ink-2: #081a35;
  --blue: #1d69e5;
  --blue-light: #3b82f6;
  --pale: #f3f6fa;
  --gold: #df9f28;
  --saffron: #f97316;
  --emerald: #10b981;
  --white: #ffffff;
  --muted: #5e758d;
  --line: rgba(5, 17, 36, 0.12);
  --line-dark: rgba(255, 255, 255, 0.15);
  
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Custom Light / Dark Mode Variables & System */
[data-theme="dark"] {
  --pale: #040e1d;
  --white: #06162c;
  --ink: #f8fafc;
  --muted: #94a3b8;
  --line: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] body {
  background-color: #040e1d;
  color: #f8fafc;
}

[data-theme="dark"] .site-header {
  color: #ffffff !important;
}

[data-theme="dark"] .brand img {
  filter: brightness(0) invert(1);
}

[data-theme="dark"] .rfq-link {
  color: #ffffff !important;
  border-color: rgba(255, 255, 255, 0.8) !important;
}

[data-theme="dark"] .menu-button {
  color: #ffffff !important;
}

[data-theme="dark"] .menu-lines i {
  background-color: #ffffff !important;
}

[data-theme="dark"] .intro,
[data-theme="dark"] .solutions,
[data-theme="dark"] .sectors,
[data-theme="dark"] .detail-section {
  background-color: #040e1d !important;
  color: #f8fafc;
}

[data-theme="dark"] .solution-card {
  background-color: #040e1d;
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

[data-theme="dark"] .solution-card::before {
  background: linear-gradient(0deg, rgba(4, 14, 29, 0.96) 0%, rgba(4, 14, 29, 0.68) 60%, rgba(4, 14, 29, 0.38) 100%);
}

[data-theme="dark"] .solution-card:hover {
  border-color: rgba(59, 130, 246, 0.55);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 25px rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .proof-card,
[data-theme="dark"] .spec-box {
  background-color: #081a33;
  border-color: rgba(255, 255, 255, 0.12);
  color: #f8fafc;
}

[data-theme="dark"] .proof-card b,
[data-theme="dark"] .spec-box h3,
[data-theme="dark"] .spec-row b,
[data-theme="dark"] .section-heading h2,
[data-theme="dark"] .technical-archive summary strong,
[data-theme="dark"] .sector-list strong {
  color: #ffffff;
}

[data-theme="dark"] .section-heading h2 span {
  -webkit-text-stroke: 1.2px #ffffff;
}

[data-theme="dark"] .technical-archive details[open] {
  background: rgba(8, 26, 51, 0.7);
}

[data-theme="dark"] .technical-archive summary span,
[data-theme="dark"] .section-heading > p,
[data-theme="dark"] .archive-intro p {
  color: #94a3b8;
}

/* Theme Toggle Button */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.2s, transform 0.2s, border-color 0.2s;
}

@media (hover: hover) {
  .theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--gold);
    transform: scale(1.08);
  }
}
.theme-toggle svg {
  transition: transform 0.4s ease;
}
[data-theme="dark"] .theme-toggle {
  background: rgba(223, 159, 40, 0.2);
  border-color: var(--gold);
  color: var(--gold);
}
[data-theme="dark"] .theme-toggle svg {
  transform: rotate(180deg);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; max-width: 100vw; overflow-x: hidden; scrollbar-width: none; -ms-overflow-style: none; }
html::-webkit-scrollbar { display: none; width: 0; height: 0; }
body { margin: 0; background: var(--pale); color: var(--ink); font-family: var(--font-sans); -webkit-font-smoothing: antialiased; max-width: 100vw; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

/* Horizontal Scroll Progress Bar at Bottom */
.scroll-progress-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, #3b82f6 0%, #df9f28 60%, #f97316 100%);
  z-index: 1000;
  box-shadow: 0 -1px 6px rgba(59, 130, 246, 0.4);
  border-radius: 0 2px 2px 0;
  transition: width 0.1s linear;
}

.page-noise { 
  position: fixed; 
  inset: 0; 
  z-index: 20; 
  pointer-events: none; 
  opacity: .028; 
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.9'/%3E%3C/svg%3E"); 
}

/* Header */
.site-header { 
  position: fixed; 
  top: 0; 
  left: 50%;
  right: auto;
  transform: translateX(-50%);
  width: 100%;
  z-index: 50; 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  padding: 20px clamp(22px, 4vw, 66px); 
  background: rgba(4, 14, 29, 0.25);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
  color: #ffffff; 
  transition: width 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              top 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              padding 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              border-radius 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              border 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header.is-scrolled {
  top: 16px;
  width: min(1140px, calc(100vw - 32px));
  padding: 10px 28px;
  border-radius: 100px;
  background: rgba(4, 14, 29, 0.35);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.45), 0 0 1px rgba(255, 255, 255, 0.25);
}

.brand img { 
  display: block; 
  width: clamp(130px, 13vw, 205px); 
  height: auto; 
  transition: transform 0.25s ease;
}

.brand:hover img {
  transform: scale(1.02);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 28px;
}

.context-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 6px 14px;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.9);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background-color: var(--emerald);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseAnimation 2s infinite;
}

@keyframes pulseAnimation {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.header-actions { display: flex; align-items: center; gap: 22px; }
.rfq-link { 
  color: #ffffff;
  border-bottom: 1.5px solid rgba(255,255,255,.65); 
  padding-bottom: 4px; 
  font-size: 11px; 
  font-weight: 700; 
  letter-spacing: .12em; 
  text-transform: uppercase; 
  font-family: var(--font-mono);
  transition: border-color 0.2s, color 0.2s;
}
.rfq-link:hover { border-color: var(--gold); color: var(--gold); }
.rfq-link span { margin-left: 6px; color: var(--gold); }

.menu-button { 
  display: inline-flex; 
  align-items: center; 
  gap: 12px; 
  border: 0; 
  background: none; 
  color: #ffffff; 
  padding: 8px 0; 
  cursor: pointer; 
  font-size: 11px; 
  font-weight: 700; 
  letter-spacing: .14em; 
  text-transform: uppercase; 
  font-family: var(--font-mono);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.menu-lines { 
  display: flex; 
  flex-direction: column; 
  justify-content: center;
  gap: 5px; 
  width: 22px; 
  height: 14px;
}
.menu-lines i { 
  display: block; 
  width: 100%; 
  height: 2px; 
  background: currentColor; 
  border-radius: 1px;
  transition: transform 0.25s ease, background 0.25s ease; 
}
.menu-button:hover .menu-lines i:first-child { transform: translateY(-1px); }
.menu-button:hover .menu-lines i:last-child { transform: translateY(1px); }

/* Navigation Drawer */
.site-menu { 
  position: fixed; 
  z-index: 90; 
  inset: 0 0 0 auto; 
  width: min(480px, 100vw); 
  padding: clamp(32px, 5vw, 56px); 
  background: rgba(4, 14, 29, 0.96); 
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  color: var(--white); 
  transform: translateX(100%); 
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: transform .45s cubic-bezier(.77,0,.18,1), visibility .45s, opacity .45s; 
  display: flex; 
  flex-direction: column; 
  justify-content: space-between; 
  box-shadow: none;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
}
.site-menu.is-open { 
  transform: translateX(0); 
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.6);
}

.menu-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,0.12); }
.menu-kicker { 
  font-family: var(--font-mono); 
  font-size: 11px; 
  font-weight: 600;
  letter-spacing: .16em; 
  text-transform: uppercase; 
  color: var(--gold);
}
.close-menu { 
  width: 40px; 
  height: 40px; 
  border: 1px solid rgba(255,255,255,.25); 
  color: white; 
  border-radius: 50%; 
  background: rgba(255, 255, 255, 0.08); 
  cursor: pointer; 
  font-size: 24px; 
  font-weight: 300; 
  display: grid;
  place-items: center;
  line-height: 1; 
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
}
.close-menu:hover { background: white; color: var(--ink); border-color: white; transform: rotate(90deg); }

.menu-nav { margin: 28px 0; display: flex; flex-direction: column; gap: 10px; }
.menu-nav a { 
  display: flex; 
  align-items: center; 
  justify-content: flex-start;
  gap: 16px;
  padding: 13px 18px;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 16px; 
  font-weight: 600; 
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: -0.01em;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.25s, border-color 0.25s, transform 0.25s, color 0.25s;
}
.menu-nav a:hover { 
  color: #ffffff; 
  background: rgba(255, 255, 255, 0.1); 
  border-color: var(--gold);
  transform: translateX(4px); 
}
.menu-nav span { 
  font-family: var(--font-mono); 
  font-size: 11px; 
  font-weight: 600;
  color: var(--gold); 
  padding: 3px 8px;
  background: rgba(223, 159, 40, 0.15);
  border-radius: 4px;
  border: 1px solid rgba(223, 159, 40, 0.25);
  flex-shrink: 0;
}

.menu-contact { border-top: 1px solid rgba(255,255,255,.15); padding-top: 24px; display: grid; gap: 8px; }
.menu-contact p { margin: 0; color: var(--gold); font: 11px var(--font-mono); text-transform: uppercase; letter-spacing: .14em; }
.menu-contact a { font-size: 16px; font-weight: 700; color: white; font-family: var(--font-mono); text-decoration: none; }
.menu-contact a:hover { color: var(--gold); }

/* Hero Section */
.hero { position: relative; min-height: 100svh; overflow: hidden; background: #040e1d; color: white; }
.hero-slides, .hero-slide { min-height: 100svh; }
.hero-slide { 
  position: absolute; 
  inset: 0; 
  isolation: isolate; 
  display: flex; 
  align-items: center; 
  opacity: 0; 
  transform: scale(1.04); 
  transition: opacity 0.9s ease-in-out, transform 5s cubic-bezier(0.1, 1, 0.1, 1); 
  pointer-events: none; 
  z-index: 3;
}
.hero-slide::before { 
  content: ""; 
  position: absolute; 
  inset: 0; 
  z-index: -1; 
  background-image: 
    linear-gradient(90deg, rgba(3,13,27,.92) 0%, rgba(3,13,27,.68) 50%, rgba(3,13,27,.25) 90%), 
    linear-gradient(0deg, rgba(3,13,27,.8), transparent 45%), 
    var(--hero-image); 
  background-size: cover; 
  background-position: center; 
}
.hero-slide.is-active { opacity: 1; transform: scale(1); pointer-events: auto; }

/* Backdrop Giant Watermark Typography */
.hero-watermark {
  position: absolute;
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1);
  font-family: var(--font-display);
  font-size: 10vw;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.12);
  white-space: nowrap;
  user-select: none;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  animation: watermarkEntrance 1.5s cubic-bezier(0.16, 1, 0.3, 1) 0ms forwards;
}

@keyframes watermarkEntrance {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1.02);
  }
  100% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

/* Ambient Dark Gradient Overlay */
.hero-ambient-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg, rgba(10, 15, 20, 0.4) 0%, rgba(10, 15, 20, 0.85) 100%);
  pointer-events: none;
  opacity: 0;
  animation: ambientFadeIn 0.8s ease-out 0ms forwards;
}

@keyframes ambientFadeIn {
  to { opacity: 1; }
}

.hero-copy { width: min(840px, 90vw); margin-left: clamp(22px, 10vw, 160px); padding-top: clamp(20px, 5vh, 50px); }

/* Hero Staggered Load Entrance Dynamics & Slider Transition */
.hero-slide .eyebrow-wrapper {
  opacity: 0;
  transform: translateX(-28px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: 0.2s;
  will-change: transform, opacity;
}

.hero-slide .hero h1 {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: 0.4s;
  will-change: transform, opacity;
}

.hero-slide .hero-summary {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: 0.6s;
  will-change: transform, opacity;
}

.hero-slide .hero-cta-group {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: 0.65s;
  will-change: transform, opacity;
}

.hero-slide .slide-label {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease-out;
  transition-delay: 0.75s;
}

.hero-slide.is-active .eyebrow-wrapper {
  opacity: 1;
  transform: translateX(0);
}

.hero-slide.is-active .hero h1 {
  opacity: 1;
  transform: translateY(0);
}

.hero-slide.is-active .hero-summary {
  opacity: 1;
  transform: translateY(0);
}

.hero-slide.is-active .hero-cta-group {
  opacity: 1;
  transform: translateY(0);
}

.hero-slide.is-active .slide-label {
  opacity: 1;
  transform: translateY(0);
}

.eyebrow-wrapper { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }

/* Micro-typography Accent Badges & Subheadings */
.badge-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}
.badge-tag.cyan { background: rgba(0, 229, 255, 0.12); border: 1px solid rgba(0, 229, 255, 0.4); color: #00E5FF; }
.badge-tag.saffron { background: rgba(249, 115, 22, 0.18); border: 1px solid rgba(249, 115, 22, 0.5); color: #ffab70; }
.badge-tag.blue { background: rgba(59, 130, 246, 0.18); border: 1px solid rgba(59, 130, 246, 0.5); color: #93c5fd; }
.badge-tag.emerald { background: rgba(16, 185, 129, 0.18); border: 1px solid rgba(16, 185, 129, 0.5); color: #6ee7b7; }
.badge-tag.gold { background: rgba(223, 159, 40, 0.18); border: 1px solid rgba(223, 159, 40, 0.5); color: #fde047; }

.accent-subheading {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: #00E5FF;
  font-family: var(--font-mono);
}

.eyebrow { margin: 0; color: rgba(255, 255, 255, 0.85); font-size: 11px; }

/* Hero Section Main Headline */
.hero h1 { 
  margin: 0; 
  max-width: 820px; 
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 5vw, 5rem); 
  font-weight: 700; 
  letter-spacing: -.03em; 
  line-height: 1.08; 
  color: #ffffff;
}
.hero h1 span { color: transparent; -webkit-text-stroke: 1.5px rgba(255,255,255,.9); }

/* Body & Descriptive Paragraphs */
.hero-summary { 
  margin: 18px 0 26px; 
  max-width: 600px; 
  font-size: clamp(14px, 1.15vw, 17px); 
  font-weight: 400;
  line-height: 1.7; 
  color: rgba(255, 255, 255, 0.82); 
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.primary-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--blue-light);
  color: white;
  padding: 14px 28px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
}
.primary-btn:hover {
  background: #2563eb;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
}

.secondary-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: white;
  padding: 14px 24px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  transition: background 0.25s, border-color 0.25s;
}
.secondary-btn:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: white;
}

.slide-label { 
  position: absolute; 
  right: clamp(22px, 4vw, 66px); 
  top: 130px; 
  margin: 0; 
  writing-mode: vertical-rl; 
  transform: rotate(180deg); 
  font: 11px var(--font-mono); 
  letter-spacing: .12em; 
  text-transform: uppercase; 
  color: rgba(255,255,255,.6); 
}

/* Hero Footer Controls Bar & Slider Controller */
.hero-footer-bar {
  position: absolute;
  bottom: 32px;
  right: clamp(22px, 4vw, 66px);
  z-index: 10;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.hero-controls {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: rgba(6, 20, 42, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 6px 14px;
  border-radius: 100px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

.hero-arrow { 
  display: flex; 
  align-items: center;
  justify-content: center;
  width: 32px; 
  height: 32px; 
  border: 1px solid rgba(255, 255, 255, 0.25); 
  border-radius: 50%; 
  color: #ffffff; 
  background: rgba(255, 255, 255, 0.08); 
  cursor: pointer; 
  font-size: 13px; 
  transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.25s, box-shadow 0.25s; 
}

.hero-arrow:hover { 
  color: #051124; 
  background: #ffffff; 
  border-color: #ffffff; 
  transform: scale(1.08); 
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.slide-counter-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.95);
  user-select: none;
}

.current-slide {
  color: var(--gold);
  font-weight: 700;
}

.counter-slash {
  color: rgba(255, 255, 255, 0.35);
  font-size: 10px;
}

.total-slides {
  color: rgba(255, 255, 255, 0.6);
}

.progress-track-wrapper {
  display: flex;
  align-items: center;
  padding: 0 2px;
}

.progress-track-bg {
  display: block;
  width: 46px;
  height: 4px;
  background: rgba(255, 255, 255, 0.18);
  position: relative;
  overflow: hidden;
  border-radius: 10px;
}

.progress-fill {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #f59e0b, #3b82f6);
  border-radius: 10px;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.8);
  transform: translateX(-100%);
  animation: slideTimer 6.5s linear infinite;
}

/* Fallback for legacy .slide-progress structure */
.slide-progress {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
}

.slide-progress i {
  display: inline-block;
  width: 44px;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  vertical-align: middle;
}

.slide-progress i.progress-fill::after,
.slide-progress .progress-fill::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #f59e0b, #3b82f6);
  transform: translateX(-100%);
  animation: slideTimer 6.5s linear infinite;
}

@keyframes slideTimer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(0%); }
}

.scroll-cue { 
  position: absolute; 
  z-index: 2; 
  left: clamp(22px, 4vw, 66px); 
  bottom: 35px; 
  display: none; /* replaced by footer layout on desktop */
  gap: 10px; 
  align-items: center; 
  font: 11px var(--font-mono); 
  letter-spacing: .1em; 
  text-transform: uppercase; 
  color: rgba(255,255,255,.75); 
}

.bounce-arrow {
  display: inline-block;
  font-size: 16px;
  animation: bounceDown 1.8s infinite;
}

@keyframes bounceDown {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(6px); }
  60% { transform: translateY(3px); }
}

/* Layout Padding & Scroll Reveal */
.section-pad { padding: clamp(40px, 5vw, 75px) clamp(22px, 8vw, 130px); }
.section-label { color: var(--blue); margin-bottom: 12px; }

/* Reveal Effects */
[data-reveal="fade-up"] {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal="fade-up"].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal="stagger-fade"] > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal="stagger-fade"].is-revealed > *:nth-child(1) { transition-delay: 0.05s; opacity: 1; transform: translateY(0); }
[data-reveal="stagger-fade"].is-revealed > *:nth-child(2) { transition-delay: 0.15s; opacity: 1; transform: translateY(0); }
[data-reveal="stagger-fade"].is-revealed > *:nth-child(3) { transition-delay: 0.25s; opacity: 1; transform: translateY(0); }
[data-reveal="stagger-fade"].is-revealed > *:nth-child(4) { transition-delay: 0.35s; opacity: 1; transform: translateY(0); }
[data-reveal="stagger-fade"].is-revealed > *:nth-child(5) { transition-delay: 0.45s; opacity: 1; transform: translateY(0); }
[data-reveal="stagger-fade"].is-revealed > *:nth-child(6) { transition-delay: 0.55s; opacity: 1; transform: translateY(0); }
[data-reveal="stagger-fade"].is-revealed > *:nth-child(7) { transition-delay: 0.65s; opacity: 1; transform: translateY(0); }

/* Section: Intro */
.intro { background: var(--pale); }
.intro-layout { 
  display: grid; 
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, .75fr); 
  align-items: end; 
  gap: clamp(24px, 5vw, 80px); 
  margin-top: clamp(20px, 4vw, 50px); 
}
.intro-lead { 
  max-width: 760px; 
  margin: 0; 
  font-family: var(--font-display);
  font-size: clamp(32px, 4.2vw, 66px); 
  font-weight: 700; 
  letter-spacing: -.04em; 
  line-height: 0.92; 
}
.intro-lead em { color: transparent; font-style: normal; -webkit-text-stroke: 1.2px var(--ink); }
.intro-copy { max-width: 440px; color: #3b536b; font-size: 15px; line-height: 1.55; }
.intro-copy p:first-child { margin-top: 0; }
.arrow-link { 
  display: inline-flex; 
  align-items: center; 
  gap: 14px; 
  margin-top: 22px; 
  color: var(--ink); 
  font-size: 11px; 
  font-weight: 700; 
  letter-spacing: .1em; 
  text-transform: uppercase; 
  font-family: var(--font-mono);
  transition: color 0.2s;
}
.arrow-link:hover { color: var(--blue); }
.arrow-link span { color: var(--blue); font-size: 16px; transition: transform 0.2s; }
.arrow-link:hover span { transform: translate(3px, -3px); }

/* Proof Strip */
.proof-strip { 
  display: grid; 
  grid-template-columns: repeat(4, 1fr); 
  gap: 1px; 
  margin-top: clamp(28px, 4vw, 55px); 
  border: 1px solid var(--line); 
  background: var(--line); 
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(5, 17, 36, 0.04);
}
.proof-card { 
  min-height: 120px; 
  padding: 22px 24px; 
  display: flex; 
  flex-direction: column; 
  justify-content: flex-end; 
  background: var(--white); 
  transition: background 0.25s, transform 0.25s;
}
.proof-card:hover {
  background: #f8fafc;
}
.proof-card b { 
  font-family: var(--font-display);
  font-size: clamp(22px, 2.2vw, 36px); 
  font-weight: 700;
  letter-spacing: -.03em; 
  color: var(--ink);
}
.proof-card span { margin-top: 4px; color: var(--muted); font: 11px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }

/* Section: Core Solutions */
.solutions { background: #ffffff; }
.section-heading { display: grid; grid-template-columns: 1fr 1.35fr .75fr; gap: 35px; align-items: end; }
.section-heading h2, .engineering h2, .contact h2 { 
  margin: 0; 
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 68px); 
  font-weight: 700;
  letter-spacing: -.045em; 
  line-height: 0.92; 
}
.section-heading h2 span, .engineering h2 span, .contact h2 span { color: transparent; -webkit-text-stroke: 1.2px var(--ink); }
.section-heading > p { margin: 0 0 5px; color: var(--muted); font-size: 15px; line-height: 1.7; }

.solutions-grid { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: 330px; gap: 16px; margin-top: 36px; }
.solution-card { 
  position: relative; 
  display: flex; 
  overflow: hidden; 
  padding: 30px; 
  color: white; 
  background-color: #051124;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.35s ease;
}
.solution-card::after {
  content: "";
  position: absolute;
  inset: -18px;
  z-index: 0;
  background-image: var(--card-img);
  background-size: cover;
  background-position: center;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}
.solution-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(0deg, rgba(3, 13, 27, 0.95) 0%, rgba(3, 13, 27, 0.65) 60%, rgba(3, 13, 27, 0.35) 100%);
  transition: background 0.35s ease;
  pointer-events: none;
}
.solution-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 45px rgba(5, 17, 36, 0.4);
  border-color: rgba(223, 159, 40, 0.6);
}
.solution-card:hover::after {
  transform: scale(1.06);
}
.solution-card:hover::before {
  background: linear-gradient(0deg, rgba(3, 13, 27, 0.98) 0%, rgba(3, 13, 27, 0.75) 60%, rgba(3, 13, 27, 0.45) 100%);
}
.solution-card > div { align-self: end; position: relative; z-index: 2; }
.solution-card h3 { 
  margin: 8px 0 10px; 
  font-family: var(--font-display);
  font-size: clamp(22px, 2vw, 30px); 
  font-weight: 700;
  letter-spacing: -.03em; 
  line-height: 1.05; 
  color: white;
}
.solution-card p:not(.card-kicker) { max-width: 430px; margin: 0; color: rgba(255, 255, 255, 0.85); font-size: 13px; line-height: 1.6; }
.card-number { position: absolute; top: 26px; right: 26px; color: var(--gold); font: 11px var(--font-mono); letter-spacing: .08em; z-index: 2; }
.card-kicker { margin: 0; color: var(--gold); font-weight: 600; font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; }
.solution-card a { 
  display: inline-flex; 
  gap: 9px; 
  margin-top: 18px; 
  color: white;
  border-bottom: 1px solid rgba(255, 255, 255, 0.4); 
  padding-bottom: 4px; 
  font-size: 10px; 
  font-weight: 700; 
  letter-spacing: .09em; 
  text-transform: uppercase; 
  font-family: var(--font-mono);
  transition: color 0.2s, border-color 0.2s;
}
.solution-card a:hover { color: var(--gold); border-color: var(--gold); }

/* Card Grid Spans */
.feature-card { grid-column: span 7; }
.dark-card { grid-column: span 5; }
.line-card { grid-column: span 4; }
.telemetry-card { grid-column: span 8; }
.light-card { grid-column: span 5; }
.mobile-card { grid-column: span 7; }
.blue-card { grid-column: span 6; }

/* Technical Archive Accordion */
.technical-archive { margin-top: clamp(75px, 10vw, 145px); border-top: 1px solid var(--line); }
.archive-intro { display: flex; justify-content: space-between; align-items: baseline; gap: 25px; padding: 22px 0; color: var(--muted); font-size: 13px; }
.archive-intro p { margin: 0; }
.technical-archive details { border-top: 1px solid var(--line); transition: background 0.2s; }
.technical-archive details[open] { background: rgba(255, 255, 255, 0.7); }
.technical-archive details:last-child { border-bottom: 1px solid var(--line); }
.technical-archive details:last-child { border-bottom: 1px solid var(--line); }
.technical-archive summary { 
  display: grid; 
  grid-template-columns: 72px 1fr 26px; 
  gap: 10px; 
  align-items: center; 
  padding: 24px 0; 
  cursor: pointer; 
  list-style: none; 
}
.technical-archive summary::-webkit-details-marker { display: none; }
.technical-archive summary span { color: var(--muted); font: 11px var(--font-mono); }
.technical-archive summary strong { font-family: var(--font-display); font-size: clamp(18px, 1.8vw, 26px); font-weight: 700; letter-spacing: -.03em; }
.technical-archive summary i { color: var(--blue); font-size: 26px; font-style: normal; font-weight: 300; text-align: center; transition: transform 0.25s ease; }
.technical-archive details[open] summary i { transform: rotate(45deg); }
.detail-content { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; padding: 4px 0 32px 82px; }
.detail-content ul { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; color: #3b536b; font-size: 13px; line-height: 1.6; }
.detail-content li { position: relative; padding-left: 18px; }
.detail-content li::before { content: ""; position: absolute; left: 0; top: .6em; width: 5px; height: 5px; background: var(--gold); border-radius: 50%; }
.specs-side { display: flex; flex-direction: column; justify-content: space-between; gap: 20px; }
.specs { display: grid; gap: 12px; align-content: start; }
.specs span { display: flex; justify-content: space-between; gap: 20px; border-bottom: 1px solid rgba(7,27,54,.1); padding-bottom: 10px; color: var(--muted); font: 11px var(--font-mono); }
.specs b { color: var(--ink); font: inherit; text-align: right; }

.specs-actions { margin-top: 14px; display: flex; justify-content: flex-end; }
.info-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  background: var(--blue-light);
  color: white;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.25);
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
}
.info-btn:hover {
  background: #2563eb;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45);
}

/* Section: Engineering (Theme Responsive) */
.engineering { 
  display: grid; 
  grid-template-columns: 1.1fr .9fr; 
  min-height: 730px; 
  background: var(--pale); 
  color: var(--ink); 
  transition: background 0.3s ease, color 0.3s ease;
}
.engineering-image { 
  position: relative; 
  min-height: 500px; 
  background: linear-gradient(90deg, rgba(2,17,34,.1), rgba(2,17,34,.6)), url('assets/hero-wtp-india.png') center / cover; 
}
.engineering-panel { 
  padding: clamp(60px, 8vw, 135px); 
  display: flex; 
  flex-direction: column; 
  justify-content: center; 
  background: var(--white); 
  transition: background 0.3s ease;
}
.engineering-panel .section-label { color: var(--gold); }
.engineering-panel h2 { margin-top: 24px; color: var(--ink); }
.engineering h2 span { color: transparent; -webkit-text-stroke: 1.2px var(--ink); }
.engineering-panel > p { max-width: 440px; color: var(--muted); line-height: 1.75; font-size: 15px; }
.engineering-points { margin: 32px 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.engineering-points li { display: grid; grid-template-columns: 38px 1fr; gap: 8px; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 13px; line-height: 1.5; color: var(--ink); }
.engineering-points b { color: var(--gold); font: 11px var(--font-mono); }

.button-outline { 
  display: inline-flex; 
  align-items: center; 
  justify-content: center; 
  gap: 18px; 
  width: fit-content; 
  padding: 16px 26px; 
  border: 1px solid var(--ink); 
  color: var(--ink);
  font-size: 11px; 
  font-weight: 700; 
  letter-spacing: .12em; 
  text-transform: uppercase; 
  font-family: var(--font-mono);
  border-radius: 4px;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}
.button-outline:hover { background: var(--ink); color: var(--white); border-color: var(--ink); }
.button-outline span { font-size: 16px; }

[data-theme="dark"] .engineering { background: #030c1b; color: white; }
[data-theme="dark"] .engineering-panel { background: #030c1b; }
[data-theme="dark"] .engineering-panel h2 { color: #ffffff; }
[data-theme="dark"] .engineering h2 span { -webkit-text-stroke: 1.2px rgba(255,255,255,.9); }
[data-theme="dark"] .engineering-panel > p { color: #b7c8db; }
[data-theme="dark"] .engineering-points { border-top-color: rgba(255,255,255,.18); }
[data-theme="dark"] .engineering-points li { border-bottom-color: rgba(255,255,255,.18); color: #e2e8f0; }
[data-theme="dark"] .button-outline { border-color: rgba(255,255,255,.7); color: white; }
[data-theme="dark"] .button-outline:hover { background: white; color: var(--ink-2); border-color: white; }

/* Section: Sectors */
.sectors { background: var(--pale); transition: background 0.3s ease; }
.sectors-heading { grid-template-columns: 1fr 1.35fr .2fr; }
.sector-list { margin-top: 80px; border-top: 1px solid var(--line); }
.sector-list a { 
  display: grid; 
  grid-template-columns: 100px 1fr 30px; 
  gap: 20px; 
  align-items: center; 
  padding: 28px 0; 
  border-bottom: 1px solid var(--line); 
  color: var(--ink);
  transition: padding .25s, color .25s, background .25s; 
}
.sector-list a:hover { padding-left: 20px; color: var(--blue-light); }
.sector-list span { color: var(--muted); font: 11px var(--font-mono); }
.sector-list strong { font-family: var(--font-display); font-size: clamp(20px, 2.2vw, 34px); font-weight: 700; letter-spacing: -.03em; color: var(--ink); }
.sector-list i { font-size: 22px; font-style: normal; color: var(--gold); transition: transform 0.2s; }
.sector-list a:hover i { transform: translate(4px, -4px); }

/* Section: Contact (05 / Connect with us - Theme Responsive & Matching Design) */
.contact { 
  position: relative; 
  overflow: hidden; 
  min-height: 685px; 
  padding: clamp(60px, 8vw, 110px) clamp(22px, 8vw, 130px); 
  display: grid; 
  grid-template-columns: minmax(300px, 1fr) minmax(340px, 560px);
  gap: clamp(36px, 5vw, 70px);
  align-items: start; 
  background: linear-gradient(115deg, #092552, #041228); 
  color: white; 
  transition: background 0.3s ease, color 0.3s ease;
}
.contact::before { 
  content: ""; 
  position: absolute; 
  inset: 0; 
  background: linear-gradient(90deg, rgba(5,24,54,.7), rgba(5,24,54,.3)), url('assets/hero-wtp-india.png') center / cover; 
  opacity: .3; 
  mix-blend-mode: overlay; 
}
.contact-content { position: relative; z-index: 1; max-width: 600px; }
.contact .section-label { color: var(--gold); }
.contact-small { margin: 30px 0 4px; font: 11px var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: #c2d5ed; }
.contact h2 { 
  font-family: var(--font-display);
  font-size: clamp(48px, 6.5vw, 92px); 
  line-height: 0.92; 
  font-weight: 700;
  letter-spacing: -0.04em;
  margin: 12px 0 20px;
  color: #ffffff;
}
.contact h2 span { color: transparent; -webkit-text-stroke: 1.2px rgba(255,255,255,.9); }
.contact-copy { max-width: 480px; margin: 18px 0 28px; color: #d2deeb; line-height: 1.6; font-size: 15px; }
.contact-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-bottom: 22px; }
.contact-email { font-size: 14px; color: var(--gold); font-family: var(--font-mono); text-decoration: underline; text-underline-offset: 4px; font-weight: 600; }
.contact-detail { font-size: 16px; font-weight: 700; border-bottom: 1.5px solid rgba(255,255,255,.6); padding-bottom: 4px; font-family: var(--font-mono); color: white; text-decoration: none; }
.contact-detail:hover { color: var(--gold); border-color: var(--gold); }

.sla-info {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: 100px;
  color: #6ee7b7;
  font-family: var(--font-mono);
  font-size: 11px;
}
.sla-pulse {
  width: 6px;
  height: 6px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10b981;
}

/* Contact Form Card (Clean Matching Card & Blue Button) */
.contact-form-card {
  position: relative;
  z-index: 2;
  background: rgba(5, 17, 36, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
  padding: clamp(22px, 3.5vw, 32px);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-field label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #a3c2e6;
}

.form-field input,
.form-field select,
.form-field textarea {
  background: rgba(3, 13, 27, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  padding: 10px 13px;
  color: white;
  font-family: var(--font-sans);
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--blue-light);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.4);
}

.form-field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23a3c2e6' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.file-drop-area {
  border: 1.5px dashed rgba(255, 255, 255, 0.22);
  border-radius: 6px;
  padding: 12px;
  text-align: center;
  background: rgba(3, 13, 27, 0.4);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.file-drop-area:hover {
  border-color: var(--blue-light);
  background: rgba(59, 130, 246, 0.08);
}

.drop-text {
  font-size: 12px;
  color: #94a3b8;
}

.drop-text strong {
  color: var(--blue-light);
}

.form-submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 20px;
  margin-top: 4px;
  background: var(--blue-light);
  border: none;
  color: white;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 4px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.35);
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
}

.form-submit-btn:hover {
  background: #2563eb;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(59, 130, 246, 0.5);
}

.contact-orbit { 
  position: absolute; 
  right: -12vw; 
  top: 50%; 
  width: min(58vw, 850px); 
  aspect-ratio: 1; 
  border: 1px solid rgba(255,255,255,.25); 
  border-radius: 50%; 
  transform: translateY(-50%); 
  box-shadow: 0 0 0 60px rgba(255,255,255,.04), 0 0 0 120px rgba(255,255,255,.02); 
}

/* Light Theme Overrides for Contact Section */
[data-theme="light"] .contact {
  background: linear-gradient(115deg, #f0f5fc, #e2ecf9);
  color: var(--ink);
}
[data-theme="light"] .contact::before {
  opacity: 0.38;
  mix-blend-mode: multiply;
}
[data-theme="light"] .contact-small { color: #5e758d; }
[data-theme="light"] .contact h2 { color: var(--ink); }
[data-theme="light"] .contact h2 span { -webkit-text-stroke-color: var(--ink); }
[data-theme="light"] .contact-copy { color: #3b536b; }
[data-theme="light"] .contact-detail { color: var(--ink); border-bottom-color: rgba(5, 17, 36, 0.4); }
[data-theme="light"] .contact-form-card {
  background: #ffffff;
  border: 1px solid rgba(5, 17, 36, 0.12);
  box-shadow: 0 20px 50px rgba(5, 17, 36, 0.08);
}
[data-theme="light"] .form-field label { color: #5e758d; }
[data-theme="light"] .form-field input,
[data-theme="light"] .form-field select,
[data-theme="light"] .form-field textarea {
  background: #f8fafc;
  border-color: rgba(5, 17, 36, 0.15);
  color: var(--ink);
}
[data-theme="light"] .file-drop-area {
  background: #f8fafc;
  border-color: rgba(5, 17, 36, 0.18);
}

.contact-orbit { 
  position: absolute; 
  right: -12vw; 
  top: 50%; 
  width: min(58vw, 850px); 
  aspect-ratio: 1; 
  border: 1px solid rgba(255,255,255,.25); 
  border-radius: 50%; 
  transform: translateY(-50%); 
  box-shadow: 0 0 0 60px rgba(255,255,255,.04), 0 0 0 120px rgba(255,255,255,.02); 
}

/* Footer */
.site-footer { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; padding: 75px clamp(22px, 8vw, 130px) 35px; background: #060a10; color: white; }
.footer-brand img { width: 205px; max-width: 100%; }
.footer-brand p { max-width: 360px; margin: 22px 0 0; color: #8fa7c4; font-size: 13px; line-height: 1.7; }
.footer-group { display: grid; align-content: start; gap: 12px; }
.footer-group p { margin: 0 0 10px; color: var(--accent-cyan); font: 11px var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }
.footer-group a { color: #d1dfee; font-size: 13px; transition: color 0.2s; }
.footer-group a:hover { color: var(--accent-cyan); }
.footer-meta { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 20px; margin-top: 40px; padding-top: 25px; border-top: 1px solid rgba(255,255,255,.14); color: #7f99b7; font: 10px var(--font-mono); letter-spacing: .04em; line-height: 1.6; }

/* Responsive GPU & Tactile Scaling */
@media (max-width: 1024px), (pointer: coarse) {
  ::-webkit-scrollbar {
    width: 0px;
    height: 0px;
    background: transparent;
    display: none;
  }
  html, body {
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
}

@media (max-width: 990px) {
  .site-header { padding-top: 20px; }
  .context-badge { display: none; }
  .rfq-link { display: none; }
  .hero-copy { margin-left: 22px; padding-top: 90px; }
  .hero h1 { font-size: clamp(44px, 8vw, 75px); }
  .hero-footer-bar { flex-direction: column; align-items: flex-start; bottom: 20px; }
  .hero-thumbs { display: grid; grid-template-columns: repeat(2, 1fr); width: 100%; }
  .thumb-btn { min-width: auto; }
  .slide-label { display: none; }
  .intro-layout, .section-heading, .sectors-heading { grid-template-columns: 1fr; }
  .intro-layout { margin-top: 35px; }
  .proof-strip { grid-template-columns: repeat(2, 1fr); }
  .solutions-grid { grid-template-columns: 1fr; grid-auto-rows: auto; margin-top: 45px; }
  .solution-card, .feature-card, .dark-card, .line-card, .telemetry-card, .light-card, .mobile-card, .blue-card { grid-column: auto; min-height: 320px; }
  .detail-content { grid-template-columns: 1fr; gap: 24px; padding-left: 0; }
  .engineering { grid-template-columns: 1fr; }
  .engineering-image { min-height: 380px; }
  .engineering-panel { padding: 65px 22px; }
  .sector-list a { grid-template-columns: 44px 1fr 22px; gap: 10px; }
  .contact { grid-template-columns: 1fr; gap: 40px; min-height: auto; padding: 60px 24px; }
  .contact-form-card { width: 100%; max-width: 100%; box-sizing: border-box; }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  :root {
    --blur-backdrop: blur(8px) saturate(140%);
    --shadow-drop-soft: 4px 8px 16px rgba(0, 0, 0, 0.35);
    --shadow-drop-hover: 6px 12px 20px rgba(0, 210, 255, 0.12);
  }
}

@media (max-width: 580px) {
  .brand img { width: 140px; }
  .hero-thumbs { grid-template-columns: 1fr; }
  .hero h1 { font-size: 42px; }
  .hero-summary { font-size: 14px; }
  .section-pad { padding-left: 20px; padding-right: 20px; }
  .intro-lead { font-size: 34px; }
  .section-heading h2 { font-size: 38px; }
  .technical-archive summary { grid-template-columns: 36px 1fr 24px; }
  .contact { padding: 45px 16px; gap: 30px; }
  .contact-h2 { font-size: 36px; }
  .contact-form-card { padding: 20px 16px; width: 100%; box-sizing: border-box; }
  .form-row { grid-template-columns: 1fr; gap: 12px; }
  .contact-orbit { display: none; }
  .site-footer { grid-template-columns: 1fr; }
  .footer-brand, .footer-meta { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}