/* ===================================
   Design Tokens - Structure Only
   Colors are defined in theme files (themes/*.css)
   =================================== */
@font-face {
  font-family: 'Inter';
  src: url('../fonts/Inter-VariableFont_opsz,wght.woff2');
  font-weight: 100 900;
  font-display: swap;
  font-style: normal;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('../fonts/JetBrainsMono-VariableFont_wght.woff2');
  font-weight: 100 900;
  font-display: swap;
  font-style: normal;
}
   :root {
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Type Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Line Heights */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;

  /* Container */
  --container-max: 1200px;
  --container-content: 800px;

  /* Status colors (shared across all themes) */
  --color-success: #3FB950;
  --color-error: #F85149;

  /* Foreground Color for Gradient-BG Elements, previously hardcoded as #0a0a0f */
  --pop: #f5f5f0;
}

/* ===================================
   CSS Reset
   =================================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  min-height: 100vh;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul,
ol {
  list-style: none;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

/* ===================================
   Utility Classes
   =================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
  position: relative;
  z-index: 1;
}

.container--narrow {
  max-width: var(--container-content);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===================================
   Tech Lab Utility Classes
   =================================== */

/* Gradient text effect */
.gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Glass card effect */
.glass-card {
  background: var(--color-bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border);
}

/* Grid pattern background */
.grid-pattern {
  position: relative;
}

.grid-pattern::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--pattern-grid);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}

/* Dot pattern background */
.dot-pattern {
  position: relative;
}

.dot-pattern::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--pattern-dot);
  background-size: 20px 20px;
  pointer-events: none;
  z-index: 0;
}

/* Monospace text styling */
.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* Section marker (lab coordinates style) */
.section-marker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.7;
}

/* Glow border effect */
.glow-border {
  position: relative;
}

.glow-border::after {
  content: '';
  position: absolute;
  inset: -1px;
  background: var(--gradient-accent);
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  filter: blur(8px);
  transition: opacity var(--transition-normal);
}

.glow-border:hover::after {
  opacity: 0.5;
}

/* ===================================
   Navigation
   =================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.nav.scrolled {
  border-bottom-color: var(--color-accent-primary);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}

.nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
}

.nav__logo {
  display: flex;
  align-items: center;
  height: 2.5rem;
}

.nav__links {
  display: flex;
  gap: var(--space-8);
}

.nav__links a {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  position: relative;
  transition: color var(--transition-fast);
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.nav__links a:hover {
  color: var(--color-text-primary);
}

.nav__links a:hover::after {
  transform: scaleX(1);
}

.nav__links a.active {
  color: var(--color-accent-primary);
}

.nav__links a.active::after {
  transform: scaleX(1);
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-5);
  background: var(--gradient-accent);
  color: var(--pop);;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav__cta:hover {
  background: var(--gradient-accent-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.nav__toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  position: relative;
}

.nav__toggle:hover { filter: drop-shadow(0 0 .5rem white); }

.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  display: block;
  position: absolute;
  width: 1.5rem;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.nav__toggle span {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.nav__toggle span::before {
  content: '';
  top: -6px;
  left: 0;
}

.nav__toggle span::after {
  content: '';
  top: 6px;
  left: 0;
}

.nav__toggle.active span {
  background: transparent;
}

.nav__toggle.active span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav__toggle.active span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-left: var(--space-3);
}

.theme-toggle:hover {
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
}

.theme-toggle svg {
  width: 1.25rem;
  height: 1.25rem;
}

.theme-toggle__sun,
.theme-toggle__moon {
  display: none;
}

/* Show sun icon in dark mode (click to switch to light) */
:root[data-mode="dark"] .theme-toggle__sun {
  display: block;
}

/* Show moon icon in light mode (click to switch to dark) */
:root[data-mode="light"] .theme-toggle__moon {
  display: block;
}

/* Default: dark mode */
:root:not([data-mode]) .theme-toggle__sun {
  display: block;
}

/* Theme Selector */
.theme-selector {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-selector:hover {
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
}

.theme-selector svg {
  width: 1.25rem;
  height: 1.25rem;
}

.nav__controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Theme Menu Dropdown */
.theme-menu {
  position: fixed;
  top: 4.5rem;
  right: var(--space-6);
  width: 220px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 101;
}

.theme-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.theme-menu__header {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}

.theme-menu__options {
  padding: var(--space-2);
}

.theme-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-3);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
}

.theme-option:hover {
  background: var(--color-bg-tertiary);
}

.theme-option.active {
  background: var(--gradient-subtle);
}

.theme-option__swatch {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.theme-option__color {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-sm);
}

.theme-option__name {
  flex: 1;
}

.theme-option__check {
  width: 1rem;
  height: 1rem;
  color: var(--color-accent-primary);
  opacity: 0;
}

.theme-option.active .theme-option__check {
  opacity: 1;
}

/* Mobile Menu */
.nav__mobile {
  display: none;
  position: fixed;
  top: 4.5rem;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-primary);
  padding: var(--space-8) var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal), background-color var(--transition-normal);
}

.nav__mobile.active {
  opacity: 1;
  visibility: visible;
}

.nav__mobile-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.nav__mobile-links a {
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.nav__mobile-links a:hover {
  color: var(--color-accent-primary);
}

/* ===================================
   Buttons
   =================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--gradient-accent);
  color: var(--pop);;
  border: none;
}

.btn--primary:hover {
  background: var(--gradient-accent-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-strong);
}

.btn--outline:hover {
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

.btn--small {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

/* ===================================
   Section Styles
   =================================== */
.section {
  padding: var(--space-24) 0;
  position: relative;
}

.section--alt {
  background: var(--color-bg-secondary);
  transition: background-color var(--transition-normal);
}

.section--grid {
  position: relative;
}

.section--grid::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--pattern-grid);
  background-size: 50px 50px;
  pointer-events: none;
  opacity: 0.5;
  z-index: 0;
}

.section--grid > * {
  position: relative;
  z-index: 1;
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-16);
  position: relative;
  z-index: 1;
}

.section__marker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
  display: block;
}

.section__title {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.section__title--gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section__title::after {
  content: '';
  display: block;
  width: 4rem;
  height: 3px;
  background: var(--gradient-accent);
  margin: var(--space-4) auto 0;
  border-radius: var(--radius-full);
}

.section__lead {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--leading-relaxed);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-24) var(--space-6);
  padding-top: calc(var(--space-24) + 4.5rem);
  background:
    var(--hero-gradient),
    var(--color-bg-primary);
  transition: background-color var(--transition-normal);
  position: relative;
  overflow: hidden;
}

/* Grid pattern overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--pattern-grid);
  background-size: 60px 60px;
  pointer-events: none;
  opacity: 0.4;
}

/* Animated gradient orbs */
.hero::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
  top: -200px;
  right: -200px;
  border-radius: 50%;
  filter: blur(60px);
  animation: float 8s ease-in-out infinite;
  will-change: opacity;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-30px, 20px); }
}

.hero__content {
  max-width: 800px;
  position: relative;
  z-index: 2;
}

/* WebGL Canvas Layers */
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.hero__canvas--gradient {
  z-index: 0;
}

.hero__canvas--trail {
  z-index: 1;
}

.no-webgl .hero__canvas {
  display: none;
}

/* Section Background Canvases */
.section__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.no-webgl .section__canvas {
  display: none;
}

.hero__logo {
  margin-bottom: var(--space-10);
}

.hero__logo svg {
  transform: scale(1.5);
  transform-origin: center;
  max-width: 450px;
  height: auto;
  margin: 0 auto;
}

.hero__title {
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: var(--leading-tight);
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-primary) 50%, var(--color-accent-secondary) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradient-shift 6s ease infinite;
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-10);
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.hero__ctas {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.hero__trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.hero__trust span {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.hero__trust span::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
}

.hero__trust span:first-child::before {
  display: none;
}

/* ===================================
   Services Section
   =================================== */
.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  position: relative;
  z-index: 1;
}

.service-card {
  background: var(--color-bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-subtle);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.service-card:hover {
  border-color: var(--color-accent-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card__icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  color: var(--color-accent-primary);
  position: relative;
  z-index: 1;
}

.service-card__icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.service-card__title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  position: relative;
  z-index: 1;
}

.service-card__description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
  position: relative;
  z-index: 1;
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  position: relative;
  z-index: 1;
}

.service-card__list li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

.service-card__list li::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

@keyframes aniAutomation {
  0% { transform: rotateZ(0deg); }
  100% { transform: rotateZ(-360deg); }
}

@keyframes aniStrategy {
  0%, 100% { transform: rotateZ(-22.5deg); }
  50% { transform: rotateZ(22.5deg); }
}

@keyframes aniDataInfra {
  0% { transform: translateY(0); }
  50% { transform: translateY(-.25rem); }
  100% { transform: translateY(0rem); }
}

@keyframes aniMLSys {
  0% { transform: scale(100%); }
  25% { transform: scale(125%); }
  75% { transform: scale(90%); }
  100% { transform: scale(100%) }
}

.automation:hover {
  svg { animation: aniAutomation 4s infinite linear;}
}

.strategy:hover {
  svg { animation: aniStrategy 2s infinite ease-in-out;}
}

.data-infra:hover {
  svg { animation: aniDataInfra 2s infinite ease-in-out;}
}

.MLSys:hover {
  svg { animation: aniMLSys 1s infinite linear;}
}

/* ===================================
   Approach Section
   =================================== */
.approach__intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-12);
  position: relative;
  z-index: 1;
}

.approach__intro p {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.approach__principles {
  display: grid;
  gap: var(--space-6);
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.principle {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
  padding: var(--space-6);
  background: var(--color-bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent-primary);
  transition: all var(--transition-normal);
}

.principle:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-glow);
}

.principle__number {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-accent);
  color: var(--pop);;
  font-weight: 700;
  font-size: var(--text-lg);
  font-family: var(--font-mono);
  border-radius: var(--radius-md);
}

.principle__content h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.principle__content p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ===================================
   Team Section
   =================================== */
.team__roles {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-12);
  position: relative;
  z-index: 1;
}

.role-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.role-badge:hover {
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
}

.role-badge svg {
  width: 1rem;
  height: 1rem;
  color: var(--color-accent-primary);
}

.team__leadership {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.leader-card {
  display: flex;
  gap: var(--space-5);
  padding: var(--space-6);
  background: var(--color-bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.leader-card:hover {
  border-color: var(--color-accent-primary);
  box-shadow: var(--shadow-glow);
}

.leader-card__avatar {
  flex-shrink: 0;
  width: 5rem;
  height: 5rem;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.leader-card__info h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.leader-card__title {
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  font-weight: 500;
  margin-bottom: var(--space-3);
}

.leader-card__bio {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ===================================
   Work Section (Placeholder)
   =================================== */
.work__placeholder {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.work__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.work__badge svg {
  color: var(--color-accent-primary);
}

.work__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin: var(--space-10) 0;
}

.work-card {
  padding: var(--space-8);
  background: var(--color-bg-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  opacity: 0.5;
  transition: all var(--transition-normal);
}

.work-card:hover {
  opacity: 0.8;
  border-color: var(--color-accent-primary);
}

.work-card__icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin: 0 auto var(--space-4);
  color: var(--color-text-muted);
}

.work-card__title {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.work-card__label {
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--color-text-muted);
}

.work__cta {
  margin-top: var(--space-8);
}

.work__cta p {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

/* ===================================
   Contact Section
   =================================== */
.contact {
  background: var(--color-bg-secondary);
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--pattern-dot);
  background-size: 24px 24px;
  pointer-events: none;
  opacity: 0.3;
  z-index: 0;
}

.contact__wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.contact__info {
  padding-top: var(--space-4);
}

.contact__info h2 {
  font-size: var(--text-3xl);
  font-weight: 700;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-4);
}

.contact__info p {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.contact__detail svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-accent-primary);
  flex-shrink: 0;
}

.contact__detail a {
  color: var(--color-accent-primary);
  transition: all var(--transition-fast);
}

.contact__detail a:hover {
  color: var(--color-accent-secondary);
  text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

/* Contact Form */
.contact__form {
  background: var(--color-bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-normal);
}

.privacy__policy { 
  margin: 2rem 0 0 0;
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.form__group {
  margin-bottom: var(--space-5);
}

.form__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.form__label--required::after {
  content: ' (required)';
  color: var(--color-text-muted);
  font-weight: 400;
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px var(--color-accent-muted), 0 0 20px rgba(0, 212, 255, 0.1);
  background: var(--color-bg-elevated);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-text-muted);
}

.form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238B949E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-10);
}

.form__textarea {
  min-height: 120px;
  resize: vertical;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form__error {
  font-size: var(--text-sm);
  color: var(--color-error);
  margin-top: var(--space-2);
  display: none;
}

.form__group.has-error .form__input,
.form__group.has-error .form__textarea,
.form__group.has-error .form__select {
  border-color: var(--color-error);
}

.form__group.has-error .form__error {
  display: block;
}

.form__submit {
  width: 100%;
  margin-top: var(--space-6);
}

.form__submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Form States */
.form__success,
.form__error-message {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  text-align: center;
  margin-bottom: var(--space-5);
  display: none;
}

.form__success {
  background: rgba(63, 185, 80, 0.15);
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

.form__error-message {
  background: rgba(248, 81, 73, 0.15);
  color: var(--color-error);
  border: 1px solid var(--color-error);
}

.form__success.show,
.form__error-message.show {
  display: block;
}

/* ===================================
   Footer
   =================================== */
.footer {
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0 var(--space-8);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.footer__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.footer__logo svg {
  height: 18rem;
  width: auto;
}

.footer__nav {
  display: flex;
  gap: var(--space-6);
}

.footer__nav a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer__nav a:hover {
  color: var(--color-accent-primary);
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
}

.footer__legal {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer__location {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ===================================
   Animations
   =================================== */
/* cube */
.cubecontainer {
  --labcolor: #00d4ff;
  width: 40px;
  height: 40px;
  position: relative;
  perspective: 999999px;
  transform: scale(80%) translateY(12%);
  margin: 0 .5rem;
}

.cube {
  width: 100%;
  height: 100%;
  position: absolute;
  transform-style: preserve-3d;
  transform: rotateX(-26deg) rotateY(-45deg);
}

.nav__logo:hover {
    .cube { animation: rotateCube 2s infinite linear; }
    .cubefront { animation: colorShift 2s infinite linear; }
    .cubeleft {animation: colorShift 2s infinite reverse linear;}
  }

.cubetop {
  position: absolute;
  width: 40px;
  height: 40px;
  background: var(--logo-color, var(--color-accent-primary));
  opacity: .5;
}

.cubeface {
  position: absolute;
  width: 40px;
  height: 28px;
  background: var(--logo-color, var(--color-accent-primary));
  opacity: 0;
  backface-visibility:hidden; 
}

/* Position each face */
.cubefront {
  transform: translateZ(20px); /* Half of the cube's width/height */
  opacity: 1;
}

.cubeleft {
  transform: rotateY(-90deg) translateZ(20px);  
}
.cubetop {
  transform: rotateX(90deg) translateZ(20px);
}

@keyframes rotateCube {
  from { transform: rotateX(-26deg) rotateY(-45deg); }
  to { transform: rotateX(-26deg) rotateY(45deg); }
}

@keyframes colorShift {
    from {opacity:1;}
    to {opacity: 0;}
}

   /* Default: content is visible */
.fade-in {
  opacity: 1;
  transform: translateY(0);
}

/* When JS is available, hide initially for animation */
.js-enabled .fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js-enabled .fade-in.visible,
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   Logo Animations
   =================================== */

.hero__logo {
  svg { 
    filter: drop-shadow(0 0 2px var(--logo-glow, rgba(0, 212, 255, 0.3)));
  }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: 1fr;
  }

  .team__leadership {
    grid-template-columns: 1fr;
  }

  .contact__wrapper {
    grid-template-columns: 1fr;
  }

  .work__cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --text-5xl: 2.5rem;
    --text-4xl: 2rem;
    --text-3xl: 1.5rem;
  }

  .nav__links,
  .nav__cta {
    display: none;
  }

  .nav__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav__mobile {
    display: block;
    z-index: 3;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--space-16) + 4.5rem);
    padding-bottom: var(--space-16);
  }

  .hero__logo svg {
    max-width: 300px;
  }

  .hero__ctas {
    flex-direction: column;
    align-items: center;
  }

  .hero__ctas .btn {
    width: 100%;
    max-width: 300px;
  }

  .hero__trust {
    flex-direction: column;
    gap: var(--space-3);
  }

  .section {
    padding: var(--space-16) 0;
  }

  .leader-card {
    flex-direction: column;
    text-align: center;
  }

  .leader-card__avatar {
    margin: 0 auto;
  }

  .form__row {
    grid-template-columns: 1fr;
  }

  .work__cards {
    grid-template-columns: 1fr;
  }
  
  .theme-toggle {
    position: absolute;
    right: 5rem;
  }

  .nav__logo {
    margin: 0;
  }
}

@media (max-width: 480px) {
  :root {
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
    --space-24: 4rem;
    --space-16: 3rem;
  }

  .container {
    padding: 0 var(--space-4);
  }

  .hero__logo svg {
    max-width: 250px;
  }

  .service-card {
    padding: var(--space-6);
  }

  .principle {
    flex-direction: column;
    gap: var(--space-4);
  }

  .contact__form {
    padding: var(--space-5);
  }

  .nav__logo {
    margin: 0;
  }
}

/* ===================================
   Reduced Motion
   =================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }
}

/* ===================================
   Print Styles
   =================================== */
@media print {
  body {
    background: white;
    color: black;
  }

  .nav,
  .nav__mobile {
    display: none;
  }

  .hero {
    padding-top: var(--space-8);
    min-height: auto;
  }

  .btn {
    border: 1px solid black;
  }

  .section {
    padding: var(--space-8) 0;
  }
}