/* Morphgen Landing2 - Advanced Chemistry Visualization */
:root {
  /* Color Palette */
  --bg-primary: #0a0c12;
  --bg-secondary: #0f1218;
  --bg-tertiary: #141821;
  --text-primary: #e8f0ff;
  --text-secondary: #9aa8c7;
  --text-muted: #6b7280;
  
  /* Accent Colors */
  --accent-primary: #7aa2ff;
  --accent-secondary: #4f46e5;
  --accent-tertiary: #06b6d4;
  
  /* Chemistry Colors */
  --monomer-a: #ff6b6b;
  --monomer-b: #4ecdc4;
  --bond-color: #ffd93d;
  --electron-cloud: rgba(122, 162, 255, 0.1);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  --gradient-chemistry: linear-gradient(45deg, var(--monomer-a), var(--monomer-b));
  --gradient-bg: radial-gradient(1200px 800px at 70% 10%, #0f1218 0%, var(--bg-primary) 60%);
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Typography */
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  
  /* Animations */
  --duration-fast: 0.15s;
  --duration-normal: 0.3s;
  --duration-slow: 0.6s;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--gradient-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Molecular Canvas */
#molecular-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  display: block;
}

/* Particle Overlay */
#particle-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(10, 12, 18, 0.1) 0%,
    rgba(10, 12, 18, 0.3) 40%,
    rgba(10, 12, 18, 0.6) 100%
  );
}


/* Layout */
.shell {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl) 0;
  gap: var(--space-lg);
}

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

/* Molecular Logo Styles */
.molecular-logo {
  overflow: visible;
}

.molecular-logo .node {
  fill: none;
  stroke-width: 2;
  opacity: 1;
  transform-origin: center;
  animation: node-appear 0.8s ease-out forwards;
}

.molecular-logo .central-node {
  stroke: var(--accent-primary);
  animation-delay: 0.2s;
}

.molecular-logo .branch-node {
  stroke: var(--accent-tertiary);
}

.molecular-logo .branch-node:nth-child(3) { animation-delay: 0.4s; }
.molecular-logo .branch-node:nth-child(4) { animation-delay: 0.5s; }
.molecular-logo .branch-node:nth-child(5) { animation-delay: 0.6s; }
.molecular-logo .branch-node:nth-child(6) { animation-delay: 0.7s; }
.molecular-logo .branch-node:nth-child(7) { animation-delay: 0.8s; }

.molecular-logo .bond {
  stroke: var(--accent-secondary);
  stroke-width: 2;
  opacity: 1;
  stroke-dasharray: none;
  animation: bond-draw 0.6s ease-out forwards;
}

.molecular-logo .bond:nth-child(8) { animation-delay: 0.9s; }
.molecular-logo .bond:nth-child(9) { animation-delay: 1.0s; }
.molecular-logo .bond:nth-child(10) { animation-delay: 1.1s; }
.molecular-logo .bond:nth-child(11) { animation-delay: 1.2s; }
.molecular-logo .bond:nth-child(12) { animation-delay: 1.3s; }

.molecular-logo .brand-text-svg {
  fill: var(--text-primary);
  opacity: 1;
  animation: text-fade-in 0.8s ease-out 1.5s forwards;
}

.molecular-logo .brand-text-svg.accent {
  fill: var(--accent-primary);
  opacity: 1;
  animation-delay: 1.7s;
}

/* Logo Hover Effects */
.molecular-logo:hover .node {
  animation: node-pulse 2s ease-in-out infinite;
}

.molecular-logo:hover .bond {
  animation: bond-glow 2s ease-in-out infinite;
}

.brand-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.brand-subtitle {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--duration-fast) var(--ease-out);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width var(--duration-normal) var(--ease-out);
}

.nav-link:hover::after {
  width: 100%;
}

/* Molecular Buttons - Unified Futuristic Design */
.molecular-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.5rem;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.85rem;
  text-decoration: none;
  border: none;
  border-radius: 0;
  cursor: pointer;
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  background: transparent;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  letter-spacing: 0.08em;
  text-transform: lowercase;
  min-width: 120px;
  border: 1px solid transparent;
}

/* Molecular Border Animation */
.molecular-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, 
    transparent 30%, 
    var(--accent-primary) 50%, 
    transparent 70%);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out);
  z-index: 1;
}

.molecular-btn::after {
  content: '';
  position: absolute;
  top: 1px;
  left: 1px;
  right: 1px;
  bottom: 1px;
  background: var(--bg-primary);
  z-index: 2;
}

/* Button Content */
.btn-text {
  position: relative;
  z-index: 3;
  transition: all var(--duration-normal) var(--ease-out);
  animation: dna-text-load 0.8s ease-out;
}

.btn-icon {
  position: relative;
  z-index: 3;
  width: 14px;
  height: 14px;
  opacity: 0.7;
  transition: all var(--duration-normal) var(--ease-out);
}

/* DNA Helix Animation Element */
.btn-dna {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, 
    var(--accent-primary) 0%, 
    var(--accent-secondary) 33%, 
    var(--accent-tertiary) 66%, 
    var(--accent-primary) 100%);
  opacity: 0;
  transition: all var(--duration-slow) var(--ease-out);
  z-index: 4;
  border-radius: 1px;
}

/* Primary Button (Contact) */
.molecular-btn.primary {
  color: #ffffff;
  border-color: rgba(122, 162, 255, 0.15);
}

.molecular-btn.primary:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 0 15px rgba(122, 162, 255, 0.08);
  transform: translateY(-1px);
}

.molecular-btn.primary:hover::before {
  opacity: 0.1;
}

.molecular-btn.primary:hover .btn-dna {
  width: 70%;
  opacity: 0.8;
  animation: dna-helix-primary 2.2s linear infinite;
}

.molecular-btn.primary:hover .btn-text {
  animation: molecular-pulse-text 2s ease-in-out infinite;
}

/* Secondary Button (Meeting) */
.molecular-btn.secondary {
  color: #ffffff;
  border-color: rgba(79, 70, 229, 0.15);
}

.molecular-btn.secondary:hover {
  color: var(--text-primary);
  border-color: var(--accent-secondary);
  box-shadow: 0 0 15px rgba(79, 70, 229, 0.08);
  transform: translateY(-1px);
}

.molecular-btn.secondary:hover::before {
  opacity: 0.1;
  background: linear-gradient(45deg, 
    transparent 30%, 
    var(--accent-secondary) 50%, 
    transparent 70%);
}

.molecular-btn.secondary:hover .btn-dna {
  width: 70%;
  opacity: 0.8;
  animation: dna-helix-secondary 2.8s linear infinite reverse;
}

.molecular-btn.secondary:hover .btn-text {
  animation: molecular-pulse-text 2.5s ease-in-out infinite;
}

/* Tertiary Button (LinkedIn) */
.molecular-btn.tertiary {
  color: #ffffff;
  border-color: rgba(6, 182, 212, 0.15);
}

.molecular-btn.tertiary:hover {
  color: var(--text-primary);
  border-color: var(--accent-tertiary);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.08);
  transform: translateY(-1px);
}

.molecular-btn.tertiary:hover::before {
  opacity: 0.1;
  background: linear-gradient(45deg, 
    transparent 30%, 
    var(--accent-tertiary) 50%, 
    transparent 70%);
}

.molecular-btn.tertiary:hover .btn-dna {
  width: 70%;
  opacity: 0.8;
  animation: dna-helix-tertiary 1.9s linear infinite;
}

.molecular-btn.tertiary:hover .btn-text {
  animation: molecular-pulse-text 1.8s ease-in-out infinite;
}

.molecular-btn.tertiary:hover .btn-icon {
  opacity: 1;
  animation: molecular-pulse-icon 2s ease-in-out infinite;
}

/* Active State */
.molecular-btn:active {
  transform: translateY(0);
  box-shadow: none;
}

/* DNA Text Loading Animation */
@keyframes dna-text-load {
  0% {
    opacity: 0;
    transform: translateX(-15px);
    filter: blur(3px);
    letter-spacing: 0.2em;
  }
  30% {
    opacity: 0.4;
    transform: translateX(-8px);
    filter: blur(1.5px);
    letter-spacing: 0.15em;
  }
  70% {
    opacity: 0.8;
    transform: translateX(-3px);
    filter: blur(0.5px);
    letter-spacing: 0.1em;
  }
  100% {
    opacity: 1;
    transform: translateX(0);
    filter: blur(0);
    letter-spacing: 0.08em;
  }
}

/* Spectacular Hero Title Animation */
@keyframes hero-title-reveal {
  0% {
    opacity: 0;
    transform: translateY(40px) scale(0.9);
    filter: blur(8px);
    text-shadow: none;
    background-position: -200% center;
  }
  15% {
    opacity: 0.1;
    transform: translateY(30px) scale(0.92);
    filter: blur(6px);
    background-position: -150% center;
  }
  35% {
    opacity: 0.4;
    transform: translateY(20px) scale(0.95);
    filter: blur(4px);
    text-shadow: 0 0 8px rgba(122, 162, 255, 0.1);
    background-position: -100% center;
  }
  60% {
    opacity: 0.7;
    transform: translateY(10px) scale(0.98);
    filter: blur(2px);
    text-shadow: 0 0 12px rgba(122, 162, 255, 0.2);
    background-position: -50% center;
  }
  85% {
    opacity: 0.9;
    transform: translateY(5px) scale(1.01);
    filter: blur(1px);
    text-shadow: 0 0 15px rgba(122, 162, 255, 0.25);
    background-position: 0% center;
  }
  100% {
    opacity: 0.85;
    transform: translateY(0) scale(1);
    filter: blur(0);
    text-shadow: 0 0 12px rgba(122, 162, 255, 0.15), 0 0 25px rgba(79, 70, 229, 0.1);
    background-position: 100% center;
  }
}

/* Molecular Glow Pulse for Title */
@keyframes molecular-glow-pulse {
  0%, 100% {
    text-shadow: 0 0 12px rgba(122, 162, 255, 0.15), 0 0 25px rgba(79, 70, 229, 0.1);
  }
  50% {
    text-shadow: 0 0 18px rgba(122, 162, 255, 0.2), 0 0 35px rgba(79, 70, 229, 0.15), 0 0 50px rgba(6, 182, 212, 0.05);
  }
}

/* Logo Animation Keyframes */
@keyframes node-appear {
  0% {
    opacity: 0;
    transform: scale(0);
    filter: blur(4px);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.2);
    filter: blur(2px);
  }
  100% {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
  }
}

@keyframes bond-draw {
  0% {
    opacity: 0;
    stroke-dashoffset: 20;
  }
  50% {
    opacity: 0.8;
  }
  100% {
    opacity: 1;
    stroke-dashoffset: 0;
  }
}

@keyframes text-fade-in {
  0% {
    opacity: 0;
    transform: translateY(10px);
    filter: blur(2px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes node-pulse {
  0%, 100% {
    stroke-width: 2;
    filter: drop-shadow(0 0 0 transparent);
  }
  50% {
    stroke-width: 3;
    filter: drop-shadow(0 0 8px rgba(122, 162, 255, 0.6));
  }
}

@keyframes bond-glow {
  0%, 100% {
    stroke-width: 2;
    filter: drop-shadow(0 0 0 transparent);
  }
  50% {
    stroke-width: 3;
    filter: drop-shadow(0 0 6px rgba(79, 70, 229, 0.8));
  }
}

/* DNA Helix Animations */
@keyframes dna-helix-primary {
  0% {
    background: linear-gradient(90deg, 
      var(--accent-primary) 0%, 
      var(--accent-secondary) 50%, 
      var(--accent-primary) 100%);
    transform: translate(-50%, -50%) scaleX(1);
  }
  25% {
    background: linear-gradient(90deg, 
      var(--accent-secondary) 0%, 
      var(--accent-tertiary) 50%, 
      var(--accent-secondary) 100%);
    transform: translate(-50%, -50%) scaleX(1.1);
  }
  50% {
    background: linear-gradient(90deg, 
      var(--accent-tertiary) 0%, 
      var(--accent-primary) 50%, 
      var(--accent-tertiary) 100%);
    transform: translate(-50%, -50%) scaleX(1);
  }
  75% {
    background: linear-gradient(90deg, 
      var(--accent-primary) 0%, 
      var(--accent-secondary) 50%, 
      var(--accent-primary) 100%);
    transform: translate(-50%, -50%) scaleX(0.9);
  }
  100% {
    background: linear-gradient(90deg, 
      var(--accent-secondary) 0%, 
      var(--accent-primary) 50%, 
      var(--accent-secondary) 100%);
    transform: translate(-50%, -50%) scaleX(1);
  }
}

@keyframes dna-helix-secondary {
  0% {
    background: linear-gradient(90deg, 
      var(--accent-secondary) 0%, 
      var(--accent-primary) 50%, 
      var(--accent-secondary) 100%);
    transform: translate(-50%, -50%) rotateZ(0deg);
  }
  33% {
    background: linear-gradient(90deg, 
      var(--accent-tertiary) 0%, 
      var(--accent-secondary) 50%, 
      var(--accent-tertiary) 100%);
    transform: translate(-50%, -50%) rotateZ(120deg);
  }
  66% {
    background: linear-gradient(90deg, 
      var(--accent-primary) 0%, 
      var(--accent-tertiary) 50%, 
      var(--accent-primary) 100%);
    transform: translate(-50%, -50%) rotateZ(240deg);
  }
  100% {
    background: linear-gradient(90deg, 
      var(--accent-secondary) 0%, 
      var(--accent-primary) 50%, 
      var(--accent-secondary) 100%);
    transform: translate(-50%, -50%) rotateZ(360deg);
  }
}

@keyframes dna-helix-tertiary {
  0% {
    background: linear-gradient(90deg, 
      var(--accent-tertiary) 0%, 
      var(--accent-primary) 50%, 
      var(--accent-tertiary) 100%);
    height: 2px;
  }
  20% {
    background: linear-gradient(90deg, 
      var(--accent-primary) 0%, 
      var(--accent-secondary) 50%, 
      var(--accent-primary) 100%);
    height: 3px;
  }
  40% {
    background: linear-gradient(90deg, 
      var(--accent-secondary) 0%, 
      var(--accent-tertiary) 50%, 
      var(--accent-secondary) 100%);
    height: 2px;
  }
  60% {
    background: linear-gradient(90deg, 
      var(--accent-tertiary) 0%, 
      var(--accent-primary) 50%, 
      var(--accent-tertiary) 100%);
    height: 1px;
  }
  80% {
    background: linear-gradient(90deg, 
      var(--accent-primary) 0%, 
      var(--accent-secondary) 50%, 
      var(--accent-primary) 100%);
    height: 2px;
  }
  100% {
    background: linear-gradient(90deg, 
      var(--accent-secondary) 0%, 
      var(--accent-tertiary) 50%, 
      var(--accent-secondary) 100%);
    height: 2px;
  }
}

/* Molecular Text Pulse */
@keyframes molecular-pulse-text {
  0%, 100% {
    text-shadow: none;
    transform: scale(1);
  }
  50% {
    text-shadow: 0 0 8px rgba(122, 162, 255, 0.3);
    transform: scale(1.02);
  }
}

/* Molecular Icon Pulse */
@keyframes molecular-pulse-icon {
  0%, 100% {
    filter: drop-shadow(0 0 0 transparent);
    transform: scale(1);
  }
  50% {
    filter: drop-shadow(0 0 4px rgba(6, 182, 212, 0.4));
    transform: scale(1.1);
  }
}

/* Enhanced Molecular Bond Pulse */
@keyframes molecular-pulse {
  0%, 100% {
    box-shadow: 0 0 3px var(--accent-primary);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 12px var(--accent-primary), 0 0 20px var(--accent-secondary);
    transform: scale(1.01);
  }
}

/* Animations */
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
}

@keyframes glow {
  0% { text-shadow: 0 0 5px var(--bond-color); }
  100% { text-shadow: 0 0 20px var(--bond-color), 0 0 30px var(--bond-color); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* Hero Section */
.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 80vh;
  padding: var(--space-3xl) 0;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  max-width: 800px;
}

.title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, 
    var(--text-primary) 0%, 
    var(--accent-primary) 30%, 
    var(--accent-secondary) 60%, 
    var(--accent-tertiary) 100%);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: hero-title-reveal 2.5s cubic-bezier(0.16, 1, 0.3, 1) forwards,
             molecular-glow-pulse 4s ease-in-out 2.5s infinite;
}

.subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: var(--text-secondary);
  max-width: 600px;
  animation: dna-text-load 1.5s ease-out 0.3s both;
}

.hero-stats {
  display: flex;
  gap: var(--space-xl);
  margin-top: var(--space-lg);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-primary);
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}


/* Sections */
.section {
  padding: var(--space-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: dna-text-load 1s ease-out;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.about-text p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  animation: dna-text-load 1.2s ease-out 0.5s both;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.feature {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: rgba(15, 18, 24, 0.6);
  border: 1px solid rgba(122, 162, 255, 0.1);
  border-radius: 16px;
  backdrop-filter: blur(20px);
  transition: all var(--duration-normal) var(--ease-out);
}

.feature:hover {
  border-color: rgba(122, 162, 255, 0.3);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.feature h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.feature p {
  color: var(--text-secondary);
}

/* Technology Section */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.tech-card {
  background: rgba(15, 18, 24, 0.6);
  border: 1px solid rgba(122, 162, 255, 0.1);
  border-radius: 20px;
  padding: var(--space-xl);
  backdrop-filter: blur(20px);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.tech-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--duration-normal) var(--ease-out);
}

.tech-card:hover::before {
  transform: scaleX(1);
}

.tech-card:hover {
  border-color: rgba(122, 162, 255, 0.3);
  transform: translateY(-8px);
}

.tech-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-lg);
  color: var(--accent-primary);
}

.tech-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.tech-card p {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.tech-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.tech-card li {
  color: var(--text-muted);
  font-size: 0.875rem;
  position: relative;
  padding-left: var(--space-lg);
}

.tech-card li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-weight: 600;
}

/* Research Section */
.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-xl);
}

.research-paper {
  background: rgba(15, 18, 24, 0.6);
  border: 1px solid rgba(122, 162, 255, 0.1);
  border-radius: 16px;
  padding: var(--space-xl);
  backdrop-filter: blur(20px);
  transition: all var(--duration-normal) var(--ease-out);
}

.research-paper:hover {
  border-color: rgba(122, 162, 255, 0.3);
  transform: translateY(-4px);
}

.paper-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.journal {
  font-weight: 600;
  color: var(--accent-primary);
  font-size: 0.875rem;
}

.year {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.875rem;
}

.research-paper h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
  line-height: 1.4;
}

.research-paper p {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.paper-metrics {
  display: flex;
  gap: var(--space-lg);
}

.metric {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}


/* Footer */
.footer {
  background: rgba(10, 12, 18, 0.8);
  border-top: 1px solid rgba(122, 162, 255, 0.1);
  padding: var(--space-3xl) 0 var(--space-xl) 0;
  margin-top: var(--space-3xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-xl);
}

.footer-brand p {
  color: var(--text-muted);
  margin-top: var(--space-md);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.link-group h4 {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.link-group a {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: var(--space-sm);
  transition: color var(--duration-fast) var(--ease-out);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(122, 162, 255, 0.1);
}

.footer-legal {
  display: flex;
  gap: var(--space-lg);
}

.footer-legal a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--duration-fast) var(--ease-out);
}

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

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(10, 12, 18, 0.9);
  backdrop-filter: blur(10px);
}

.modal-content {
  background: var(--bg-secondary);
  margin: 5% auto;
  padding: var(--space-2xl);
  border: 1px solid rgba(122, 162, 255, 0.2);
  border-radius: 20px;
  width: 90%;
  max-width: 500px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}


.close {
  color: var(--text-muted);
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out);
}

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

.modal h2 {
  color: var(--text-primary);
  margin-bottom: var(--space-xl);
  font-size: 1.5rem;
  font-weight: 600;
}

/* Form Styles */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-tertiary);
  border: 1px solid rgba(122, 162, 255, 0.2);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  transition: border-color var(--duration-fast) var(--ease-out);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(122, 162, 255, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Form Button Styles - Molecular Design */
button.cta {
  position: relative;
  padding: 0.75rem 2rem;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(122, 162, 255, 0.3);
  border-radius: 0;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: lowercase;
  transition: all var(--duration-normal) var(--ease-out);
  overflow: hidden;
}

button.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(122, 162, 255, 0.1), 
    transparent);
  transition: left var(--duration-slow) var(--ease-out);
}

button.cta:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 0 15px rgba(122, 162, 255, 0.1);
  transform: translateY(-1px);
}

button.cta:hover::before {
  left: 100%;
}

button.cta:active {
  transform: translateY(0);
}

/* NoScript */
.noscript {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: var(--space-md) var(--space-lg);
  text-align: center;
  z-index: 100;
  border-top: 1px solid rgba(122, 162, 255, 0.2);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .molecular-controls {
    position: relative;
    top: auto;
    right: auto;
    margin-bottom: var(--space-xl);
  }
}

@media (max-width: 768px) {
  .shell {
    padding: 0 var(--space-lg);
  }
  
  .nav {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .hero-stats {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .molecular-preview {
    width: 300px;
    height: 300px;
  }
  
  .tech-grid {
    grid-template-columns: 1fr;
  }
  
  .research-grid {
    grid-template-columns: 1fr;
  }

  /* Keep content visible above the fixed action bar */
  body {
    padding-bottom: 84px; /* height of bottom bar + spacing */
  }

  /* Make logo a bit larger and slightly lower on mobile */
  .molecular-logo {
    width: 180px;
    height: auto;
  }

  .brand {
    margin-top: 8px;
  }

  /* Pin the 3 action buttons to the bottom only on mobile */
  .nav-links {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10; /* above canvas/overlay and regular content */
    display: flex;
    justify-content: space-between;
    gap: var(--space-xs);
    flex-wrap: nowrap; /* keep on a single line */
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: rgba(10, 12, 18, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(122, 162, 255, 0.2);
  }

  /* Slightly more compact buttons on small screens */
  .molecular-btn {
    flex: 1 1 0;
    min-width: 0; /* allow shrink */
    padding: 0.45rem 0.5rem;
    font-size: clamp(0.68rem, 2.8vw, 0.78rem);
    letter-spacing: 0.02em;
  }

  /* Reduce internal text spacing and hide icons to save width */
  .molecular-btn .btn-text {
    letter-spacing: 0.01em;
    white-space: nowrap; /* keep label on one line */
  }

  .molecular-btn .btn-icon {
    display: none;
  }
}