/* ===================================================================
   VIRODYN DESIGN SYSTEM - BIOTECH STARTUP VISUAL LANGUAGE
   =================================================================== */

/* ----- DESIGN TOKENS ----- */
:root {
  /* Primary Brand Colors */
  --primary-bio-blue: #0F172A;          /* Deep Bio-Blue - main brand color */
  --therapeutic-green: #059669;          /* Life Green - therapeutics division */
  --platform-blue: #2563EB;             /* Tech Blue - platform division */
  --innovation-purple: #7C3AED;          /* Innovation Purple - accent */
  
  /* Extended Color Palette */
  --bio-blue-50: #F8FAFC;
  --bio-blue-100: #F1F5F9;
  --bio-blue-200: #E2E8F0;
  --bio-blue-300: #CBD5E1;
  --bio-blue-400: #94A3B8;
  --bio-blue-500: #64748B;
  --bio-blue-600: #475569;
  --bio-blue-700: #334155;
  --bio-blue-800: #1E293B;
  --bio-blue-900: #0F172A;
  
  --therapeutic-50: #F0FDF4;
  --therapeutic-100: #DCFCE7;
  --therapeutic-200: #BBF7D0;
  --therapeutic-300: #86EFAC;
  --therapeutic-400: #4ADE80;
  --therapeutic-500: #22C55E;
  --therapeutic-600: #059669;
  --therapeutic-700: #047857;
  --therapeutic-800: #065F46;
  --therapeutic-900: #064E3B;
  
  --platform-50: #EFF6FF;
  --platform-100: #DBEAFE;
  --platform-200: #BFDBFE;
  --platform-300: #93C5FD;
  --platform-400: #60A5FA;
  --platform-500: #3B82F6;
  --platform-600: #2563EB;
  --platform-700: #1D4ED8;
  --platform-800: #1E40AF;
  --platform-900: #1E3A8A;
  
  --purple-50: #FAF5FF;
  --purple-100: #F3E8FF;
  --purple-200: #E9D5FF;
  --purple-300: #D8B4FE;
  --purple-400: #C084FC;
  --purple-500: #A855F7;
  --purple-600: #9333EA;
  --purple-700: #7C3AED;
  --purple-800: #6B21A8;
  --purple-900: #581C87;
  
  /* Semantic Colors */
  --success: #059669;
  --warning: #F59E0B;
  --error: #DC2626;
  --info: #2563EB;
  
  /* Neutral Colors */
  --white: #FFFFFF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  
  /* Typography Scale */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-family-heading: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', Consolas, Monaco, 'Courier New', monospace;
  
  /* Font Sizes (Modular Scale - 1.2 ratio) */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  --text-6xl: 3.75rem;     /* 60px */
  --text-7xl: 4.5rem;      /* 72px */
  --text-8xl: 6rem;        /* 96px */
  --text-9xl: 8rem;        /* 128px */
  
  /* Font Weights */
  --font-thin: 100;
  --font-extralight: 200;
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  --font-black: 900;
  
  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  /* Letter Spacing */
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0em;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;
  
  /* Spacing System (4px base unit) */
  --space-px: 1px;
  --space-0: 0px;
  --space-0-5: 0.125rem;   /* 2px */
  --space-1: 0.25rem;      /* 4px */
  --space-1-5: 0.375rem;   /* 6px */
  --space-2: 0.5rem;       /* 8px */
  --space-2-5: 0.625rem;   /* 10px */
  --space-3: 0.75rem;      /* 12px */
  --space-3-5: 0.875rem;   /* 14px */
  --space-4: 1rem;         /* 16px */
  --space-5: 1.25rem;      /* 20px */
  --space-6: 1.5rem;       /* 24px */
  --space-7: 1.75rem;      /* 28px */
  --space-8: 2rem;         /* 32px */
  --space-9: 2.25rem;      /* 36px */
  --space-10: 2.5rem;      /* 40px */
  --space-11: 2.75rem;     /* 44px */
  --space-12: 3rem;        /* 48px */
  --space-14: 3.5rem;      /* 56px */
  --space-16: 4rem;        /* 64px */
  --space-20: 5rem;        /* 80px */
  --space-24: 6rem;        /* 96px */
  --space-28: 7rem;        /* 112px */
  --space-32: 8rem;        /* 128px */
  --space-36: 9rem;        /* 144px */
  --space-40: 10rem;       /* 160px */
  --space-44: 11rem;       /* 176px */
  --space-48: 12rem;       /* 192px */
  --space-52: 13rem;       /* 208px */
  --space-56: 14rem;       /* 224px */
  --space-60: 15rem;       /* 240px */
  --space-64: 16rem;       /* 256px */
  --space-72: 18rem;       /* 288px */
  --space-80: 20rem;       /* 320px */
  --space-96: 24rem;       /* 384px */
  
  /* Border Radius */
  --radius-none: 0px;
  --radius-sm: 0.125rem;    /* 2px */
  --radius-base: 0.25rem;   /* 4px */
  --radius-md: 0.375rem;    /* 6px */
  --radius-lg: 0.5rem;      /* 8px */
  --radius-xl: 0.75rem;     /* 12px */
  --radius-2xl: 1rem;       /* 16px */
  --radius-3xl: 1.5rem;     /* 24px */
  --radius-full: 9999px;
  
  /* Shadow System (Layered, Soft Shadows) */
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-base: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);
  
  /* Simplified shadows */
  --shadow-therapeutic: var(--shadow-md);
  --shadow-platform: var(--shadow-md);
  --shadow-innovation: var(--shadow-md);
  
  /* Simplified Gradient Definitions */
  --gradient-therapeutic-to-platform: linear-gradient(135deg, var(--therapeutic-green) 0%, var(--platform-blue) 100%);
  --gradient-therapeutic-subtle: var(--therapeutic-50);
  --gradient-platform-subtle: var(--platform-50);
  
  /* Animation Timing Functions */
  --ease-bio: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out-circ: cubic-bezier(0.785, 0.135, 0.15, 0.86);
  
  /* Transition Durations */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 350ms;
  --duration-slower: 500ms;
  
  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-toast: 1080;
  
  /* Breakpoints */
  --bp-sm: 640px;
  --bp-md: 768px;
  --bp-lg: 1024px;
  --bp-xl: 1280px;
  --bp-2xl: 1536px;
  
  /* Component-specific Variables */
  --navbar-height: 4rem;
  --sidebar-width: 16rem;
  --content-max-width: 1280px;
  --prose-max-width: 65ch;
}

/* ----- FONT LOADING ----- */
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,200..800;1,200..800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,100..800;1,100..800&display=swap');

/* ----- BASE STYLES ----- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  line-height: var(--leading-normal);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family-primary);
  font-weight: var(--font-normal);
  color: var(--gray-100);
  background-color: var(--primary-bio-blue);
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

/* ----- TYPOGRAPHY SYSTEM ----- */

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-top: 0;
  margin-bottom: var(--space-4);
  color: var(--white);
}

.heading-display {
  font-size: var(--text-7xl);
  font-weight: var(--font-black);
  line-height: var(--leading-none);
  letter-spacing: var(--tracking-tighter);
  color: var(--white);
}

.heading-1 {
  font-size: var(--text-6xl);
  font-weight: var(--font-extrabold);
}

.heading-2 {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
}

.heading-3 {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
}

.heading-4 {
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
}

.heading-5 {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
}

.heading-6 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
}

/* Body Text */
p {
  margin-top: 0;
  margin-bottom: var(--space-4);
  line-height: var(--leading-relaxed);
  color: var(--gray-300);
}

.text-lead {
  font-size: var(--text-xl);
  line-height: var(--leading-relaxed);
  color: var(--gray-200);
}

.text-large {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
}

.text-small {
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  color: var(--gray-400);
}

.text-xs {
  font-size: var(--text-xs);
  line-height: var(--leading-normal);
  color: var(--gray-400);
}

/* Technical Text */
.text-mono {
  font-family: var(--font-family-mono);
  font-size: var(--text-sm);
  background-color: var(--gray-100);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-base);
  border: 1px solid var(--gray-200);
}

.text-code-block {
  font-family: var(--font-family-mono);
  font-size: var(--text-sm);
  background-color: var(--primary-bio-blue);
  color: var(--therapeutic-100);
  padding: var(--space-4);
  border-radius: var(--radius-xl);
  overflow-x: auto;
  line-height: var(--leading-relaxed);
}

/* Color Variants */
.text-therapeutic { color: var(--therapeutic-600); }
.text-platform { color: var(--platform-600); }
.text-innovation { color: var(--innovation-purple); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }
.text-info { color: var(--info); }

/* ----- BUTTON SYSTEM ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-family-primary);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: var(--leading-none);
  text-decoration: none;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-bio);
  user-select: none;
  white-space: nowrap;
}

.btn:focus {
  outline: 2px solid var(--platform-600);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary Button - Main CTA */
.btn-primary {
  background: var(--gradient-therapeutic-to-platform);
  color: var(--white);
  box-shadow: var(--shadow-bio-md);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

/* Secondary Button - Platform Focus */
.btn-secondary {
  background-color: var(--platform-600);
  color: var(--white);
  box-shadow: var(--shadow-platform);
}

.btn-secondary:hover {
  background-color: var(--platform-700);
  transform: translateY(-1px);
}

/* Therapeutic Button - Green Theme */
.btn-therapeutic {
  background-color: var(--therapeutic-600);
  color: var(--white);
  box-shadow: var(--shadow-therapeutic);
}

.btn-therapeutic:hover {
  background-color: var(--therapeutic-700);
  transform: translateY(-1px);
}

/* Outline Button */
.btn-outline {
  background-color: transparent;
  color: var(--primary-bio-blue);
  border-color: var(--gray-300);
}

.btn-outline:hover {
  background-color: var(--gray-50);
  border-color: var(--gray-400);
  transform: translateY(-1px);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--gray-700);
  padding: var(--space-2) var(--space-4);
}

.btn-ghost:hover {
  background-color: var(--gray-100);
  color: var(--gray-900);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
}

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

.btn-xl {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  border-radius: var(--radius-2xl);
}

/* Icon Buttons */
.btn-icon {
  padding: var(--space-3);
  aspect-ratio: 1;
}

/* Platform Button */
.btn-platform {
  background-color: var(--platform-600);
  color: var(--white);
  box-shadow: var(--shadow-platform);
}

.btn-platform:hover {
  background-color: var(--platform-700);
  transform: translateY(-1px);
}

/* White Outline Button */
.btn-outline-white {
  background-color: transparent;
  color: var(--white);
  border-color: var(--white);
}

.btn-outline-white:hover {
  background-color: var(--white);
  color: var(--primary-bio-blue);
  transform: translateY(-1px);
}

/* ----- CARD SYSTEM ----- */
.card {
  background-color: var(--bio-blue-800);
  border: 1px solid var(--bio-blue-700);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-bio-sm);
  transition: all var(--duration-normal) var(--ease-bio);
}

.card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  border-color: var(--bio-blue-600);
}

.card-header {
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--white);
  margin-bottom: var(--space-2);
}

.card-description {
  color: var(--gray-300);
  line-height: var(--leading-relaxed);
}

.card-content {
  margin-bottom: var(--space-6);
}

.card-footer {
  padding-top: var(--space-4);
  border-top: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

/* Card Variants */
.card-therapeutic {
  border-color: var(--therapeutic-900);
  background: linear-gradient(135deg, var(--bio-blue-800) 0%, rgba(5, 150, 105, 0.1) 100%);
}

.card-therapeutic:hover {
  border-color: var(--therapeutic-300);
  box-shadow: var(--shadow-md);
}

.card-platform {
  border-color: var(--platform-900);
  background: linear-gradient(135deg, var(--bio-blue-800) 0%, rgba(37, 99, 235, 0.1) 100%);
}

.card-platform:hover {
  border-color: var(--platform-300);
  box-shadow: var(--shadow-md);
}

.card-innovation {
  border-color: var(--purple-900);
  background: linear-gradient(135deg, var(--bio-blue-800) 0%, rgba(124, 58, 237, 0.1) 100%);
}

.card-innovation:hover {
  border-color: var(--purple-300);
  box-shadow: var(--shadow-md);
}

/* Glass Card */
.card-glass {
  background: rgba(30, 41, 59, 0.8);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-bio-md);
}

/* ----- FORM ELEMENTS ----- */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--gray-700);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--gray-100);
  background-color: var(--bio-blue-800);
  border: 1px solid var(--bio-blue-600);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-bio);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--platform-600);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-error {
  font-size: var(--text-sm);
  color: var(--error);
  margin-top: var(--space-1);
}

.form-help {
  font-size: var(--text-sm);
  color: var(--gray-500);
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--gray-300);
  cursor: pointer;
  line-height: var(--leading-normal);
}

.form-checkbox {
  opacity: 0;
  position: absolute;
  pointer-events: none;
}

.form-checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--bio-blue-600);
  border-radius: var(--radius-sm);
  background-color: var(--bio-blue-800);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--duration-normal) var(--ease-bio);
}

.form-checkbox:checked + .form-checkbox-custom {
  background-color: var(--platform-600);
  border-color: var(--platform-600);
}

.form-checkbox:checked + .form-checkbox-custom::after {
  content: '✓';
  color: white;
  font-size: 14px;
  font-weight: bold;
}

.form-checkbox:focus + .form-checkbox-custom {
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Contact Modal Styles */
.contact-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.contact-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.contact-modal-content {
  position: relative;
  background-color: var(--bio-blue-800);
  border: 1px solid var(--bio-blue-600);
  border-radius: var(--radius-2xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  box-shadow: var(--shadow-bio-2xl);
}

.contact-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-8);
  border-bottom: 1px solid var(--bio-blue-600);
  background-color: var(--bio-blue-700);
}

.contact-modal-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--white);
  margin: 0;
}

.contact-modal-close {
  background: none;
  border: none;
  color: var(--gray-400);
  font-size: var(--text-xl);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--duration-normal) var(--ease-bio);
}

.contact-modal-close:hover {
  color: var(--white);
  background-color: var(--bio-blue-600);
}

.contact-modal-body {
  padding: var(--space-8);
  max-height: calc(90vh - 100px);
  overflow-y: auto;
}

.contact-form {
  display: none;
}

.contact-form.active {
  display: block;
}

.w-full {
  width: 100%;
}

/* Success/Error Messages */
.form-message {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}

.form-message.success {
  background-color: rgba(5, 150, 105, 0.1);
  border: 1px solid var(--therapeutic-600);
  color: var(--therapeutic-300);
}

.form-message.error {
  background-color: rgba(220, 38, 38, 0.1);
  border: 1px solid var(--error);
  color: #ff6b6b;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .contact-modal {
    padding: var(--space-2);
  }
  
  .contact-modal-content {
    max-height: 95vh;
  }
  
  .contact-modal-header {
    padding: var(--space-4) var(--space-6);
  }
  
  .contact-modal-body {
    padding: var(--space-6);
  }
  
  .contact-modal-title {
    font-size: var(--text-xl);
  }
}

  margin-top: var(--space-1);
}

/* ----- LAYOUT COMPONENTS ----- */

/* Container */
.container {
  width: 100%;
  max-width: var(--content-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.container-sm {
  max-width: 640px;
}

.container-md {
  max-width: 768px;
}

.container-lg {
  max-width: 1024px;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

/* Flex System */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-start {
  justify-content: flex-start;
}

.justify-end {
  justify-content: flex-end;
}

/* Spacing Utilities */
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }
.gap-16 { gap: var(--space-16); }

/* Margin & Padding Utilities */
.m-0 { margin: 0; }
.p-0 { padding: 0; }

.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }

.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }
.py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }
.py-24 { padding-top: var(--space-24); padding-bottom: var(--space-24); }

.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.px-8 { padding-left: var(--space-8); padding-right: var(--space-8); }

/* ----- NAVIGATION SYSTEM ----- */
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  height: 5rem;
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  width: 100%;
}

.navbar-content {
  height: 100%;
  width: 100%;
  max-width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3rem;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-2xl);
  font-weight: var(--font-black);
  color: var(--white);
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: transform var(--duration-normal) var(--ease-bio);
  line-height: 1.2;
}

.navbar-brand img {
  width: 40px;
  height: 40px;
  display: block;
  transform: translateY(-6px);
}

.navbar-brand:hover {
  transform: scale(1.05);
}


.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-10);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--gray-300);
  text-decoration: none;
  font-weight: var(--font-medium);
  font-size: var(--text-base);
  position: relative;
  padding: var(--space-2) 0;
  transition: color var(--duration-normal) var(--ease-bio);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-therapeutic-to-platform);
  transition: width var(--duration-normal) var(--ease-bio);
}

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

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

.nav-link.active {
  color: var(--white);
  font-weight: var(--font-semibold);
}

/* ----- HERO SECTIONS ----- */
.hero {
  padding: var(--space-24) 0;
  background: var(--bio-blue-800);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: var(--text-6xl);
  font-weight: var(--font-black);
  line-height: var(--leading-tight);
  color: var(--white);
  margin-bottom: var(--space-6);
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--gray-200);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* Dual Path Hero */
.hero-dual {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: var(--space-12);
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-16) 0;
}

.hero-divider {
  width: 1px;
  height: 200px;
  background: linear-gradient(to bottom, 
    transparent 0%, 
    var(--gray-300) 20%, 
    var(--gray-300) 80%, 
    transparent 100%
  );
}

.hero-path {
  text-align: center;
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  transition: all var(--duration-normal) var(--ease-bio);
  background: var(--bio-blue-800);
  border: 1px solid var(--bio-blue-700);
}

.hero-path:hover {
  transform: translateY(-2px);
}

.hero-path-therapeutic {
  background: linear-gradient(135deg, var(--bio-blue-800) 0%, rgba(5, 150, 105, 0.1) 100%);
  border: 1px solid rgba(5, 150, 105, 0.3);
}

.hero-path-therapeutic:hover {
  box-shadow: var(--shadow-md);
}

.hero-path-platform {
  background: linear-gradient(135deg, var(--bio-blue-800) 0%, rgba(37, 99, 235, 0.1) 100%);
  border: 1px solid rgba(37, 99, 235, 0.3);
}

.hero-path-platform:hover {
  box-shadow: var(--shadow-md);
}

.hero-path-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
}

.hero-path-therapeutic .hero-path-icon {
  background-color: var(--therapeutic-600);
  color: var(--white);
}

.hero-path-platform .hero-path-icon {
  background-color: var(--platform-600);
  color: var(--white);
}

.hero-path-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-3);
  color: var(--white);
}

.hero-path-description {
  color: var(--gray-300);
  margin-bottom: var(--space-6);
  line-height: var(--leading-relaxed);
}

/* Removed DNA pattern animations */

/* ----- FEATURE SECTIONS ----- */
.features {
  padding: var(--space-24) 0;
  background-color: var(--bio-blue-900);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
}

.feature-card {
  padding: var(--space-8);
  background-color: var(--bio-blue-800);
  border: 1px solid var(--bio-blue-700);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-normal) ease;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--bio-blue-600);
}

.feature-icon {
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-4);
  background: var(--platform-600);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: var(--text-xl);
}

.feature-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-3);
  color: var(--white);
}

.feature-description {
  color: var(--gray-300);
  line-height: var(--leading-relaxed);
}

/* ----- TIMELINE COMPONENT ----- */
.timeline {
  position: relative;
  padding: var(--space-16) 0;
  background: var(--bio-blue-800);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--platform-600);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-16);
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.timeline-content {
  flex: 1;
  max-width: 400px;
  padding: var(--space-6);
  background-color: var(--bio-blue-700);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  margin: 0 var(--space-8);
  position: relative;
}

.timeline-content::before {
  content: '';
  position: absolute;
  top: 50%;
  width: 0;
  height: 0;
  border: 12px solid transparent;
  transform: translateY(-50%);
}

.timeline-item:nth-child(odd) .timeline-content::before {
  left: -24px;
  border-right-color: var(--bio-blue-700);
}

.timeline-item:nth-child(even) .timeline-content::before {
  right: -24px;
  border-left-color: var(--bio-blue-700);
}

.timeline-marker {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  background: var(--platform-600);
  border-radius: 50%;
  border: 4px solid var(--primary-bio-blue);
  box-shadow: var(--shadow-sm);
  z-index: 1;
}

.timeline-date {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--therapeutic-400);
  background: var(--bio-blue-800);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  border: 1px solid var(--therapeutic-600);
}

.timeline-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-3);
  color: var(--white);
  line-height: var(--leading-tight);
}

.timeline-description {
  color: var(--bio-blue-300);
  line-height: var(--leading-relaxed);
  font-size: var(--text-base);
}

/* ----- TEAM SECTION ----- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
  max-width: 800px;
  margin: 0 auto;
}

.team-member {
  text-align: center;
  padding: var(--space-8);
  background-color: var(--bio-blue-800);
  border: 1px solid var(--bio-blue-700);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-bio-sm);
  transition: all var(--duration-normal) var(--ease-bio);
}

.team-member:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.team-member-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--space-4);
  border: 4px solid var(--bio-blue-600);
  box-shadow: var(--shadow-md);
}

.team-member-name {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
  color: var(--white);
}

.team-member-role {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--platform-600);
  margin-bottom: var(--space-3);
}

.team-member-bio {
  color: var(--gray-300);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.team-member-links {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
}

.team-member-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--gray-100);
  color: var(--gray-600);
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-bio);
}

.team-member-link:hover {
  background-color: var(--platform-600);
  color: var(--white);
  transform: translateY(-2px);
}

/* ----- PARTNERSHIP SECTION ----- */
.partnership-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.partnership-card {
  background: var(--bio-blue-700);
  border: 1px solid var(--bio-blue-600);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  text-align: center;
  position: relative;
  transition: all var(--duration-normal) var(--ease-bio);
  overflow: hidden;
}

.partnership-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: transparent;
  transition: all var(--duration-normal) var(--ease-bio);
  pointer-events: none;
}

.partnership-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-bio-lg);
}

.partnership-therapeutic {
  border-color: var(--therapeutic-600);
}

.partnership-therapeutic::before {
  background: radial-gradient(circle at center, rgba(5, 150, 105, 0.05) 0%, transparent 70%);
}

.partnership-therapeutic:hover {
  border-color: var(--therapeutic-400);
  box-shadow: 0 20px 40px rgba(5, 150, 105, 0.15);
}

.partnership-investment {
  border-color: var(--platform-600);
}

.partnership-investment::before {
  background: radial-gradient(circle at center, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
}

.partnership-investment:hover {
  border-color: var(--platform-400);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.15);
}

.partnership-team {
  border-color: var(--innovation-purple);
}

.partnership-team::before {
  background: radial-gradient(circle at center, rgba(124, 58, 237, 0.05) 0%, transparent 70%);
}

.partnership-team:hover {
  border-color: var(--purple-400);
  box-shadow: 0 20px 40px rgba(124, 58, 237, 0.15);
}

.partnership-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-6);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
  color: var(--white);
  position: relative;
  z-index: 1;
}

.partnership-therapeutic .partnership-icon {
  background: var(--therapeutic-600);
}

.partnership-investment .partnership-icon {
  background: var(--platform-600);
}

.partnership-team .partnership-icon {
  background: var(--innovation-purple);
}

.partnership-title {
  color: var(--white);
  margin-bottom: var(--space-4);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
}

.partnership-description {
  color: var(--bio-blue-300);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.partnership-footer {
  text-align: center;
  margin-top: var(--space-16);
}

.partnership-divider {
  width: 100px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--bio-blue-600), transparent);
  margin: 0 auto var(--space-6);
}

.partnership-note {
  color: var(--bio-blue-400);
  font-size: var(--text-sm);
  font-style: italic;
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--leading-relaxed);
}

@media (max-width: 768px) {
  .partnership-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .partnership-card {
    padding: var(--space-6);
  }
  
  .partnership-icon {
    width: 60px;
    height: 60px;
    font-size: var(--text-2xl);
  }
}

/* ----- FOOTER ----- */
.footer {
  background-color: var(--primary-bio-blue);
  color: var(--white);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-section h3 {
  color: var(--white);
  margin-bottom: var(--space-4);
}

.footer-section p,
.footer-section a {
  color: var(--bio-blue-300);
  line-height: var(--leading-relaxed);
}

.footer-section a:hover {
  color: var(--therapeutic-300);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-bio);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--bio-blue-800);
  text-align: center;
  color: var(--bio-blue-300);
}

/* ----- ANIMATIONS ----- */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in-scale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slide-in-right {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slide-in-left {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse-gentle {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

/* Removed float animation */

/* Animation Classes */
.animate-fade-up {
  animation: fade-up var(--duration-slower) var(--ease-bio) both;
}

.animate-fade-in {
  animation: fade-in var(--duration-slower) var(--ease-bio) both;
}

.animate-fade-in-scale {
  animation: fade-in-scale var(--duration-slower) var(--ease-bio) both;
}

/* Simple Scroll Reveal */
.scroll-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.scroll-reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Timeline specific animations */
.scroll-reveal-timeline {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.timeline-step:nth-child(even).scroll-reveal-timeline {
  transform: translateX(30px);
}

.scroll-reveal-timeline.revealed {
  opacity: 1;
  transform: translateX(0);
}

.animate-slide-in-right {
  animation: slide-in-right var(--duration-slower) var(--ease-bio) both;
}

.animate-slide-in-left {
  animation: slide-in-left var(--duration-slower) var(--ease-bio) both;
}

.animate-pulse-gentle {
  animation: pulse-gentle 2s ease-in-out infinite;
}

/* Removed float animation class */

/* Animation Delays */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-500 { animation-delay: 500ms; }

/* ----- UTILITY CLASSES ----- */

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Display */
.hidden { display: none; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.grid { display: grid; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

/* Background Colors */
.bg-white { background-color: var(--bio-blue-800); }
.bg-gray-50 { background-color: var(--bio-blue-900); }
.bg-gray-100 { background-color: var(--gray-100); }
.bg-therapeutic { background-color: var(--therapeutic-600); }
.bg-platform { background-color: var(--platform-600); }
.bg-innovation { background-color: var(--innovation-purple); }

/* Border Radius */
.rounded-none { border-radius: var(--radius-none); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius-base); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-3xl { border-radius: var(--radius-3xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadow */
.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-base); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-2xl { box-shadow: var(--shadow-2xl); }

/* Removed complex shadow utilities */

/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* ----- RESPONSIVE DESIGN ----- */
@media (max-width: 768px) {
  :root {
    --space-4: 0.75rem;
    --space-6: 1rem;
    --space-8: 1.5rem;
    --space-12: 2rem;
    --space-16: 2.5rem;
    --space-24: 3rem;
  }
  
  .hero-title {
    font-size: var(--text-4xl);
  }
  
  .hero-dual {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .hero-divider {
    display: none;
  }
  
  .navbar-nav {
    display: none;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline::before {
    left: var(--space-6);
  }
  
  .timeline-item {
    flex-direction: row;
    padding-left: var(--space-12);
  }
  
  .timeline-marker {
    left: var(--space-6);
  }
  
  .timeline-content {
    margin-left: var(--space-8);
    margin-right: 0;
  }
  
  .timeline-content::before {
    left: -24px;
    border-right-color: var(--white);
    border-left-color: transparent;
  }
  
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4,
  .grid-cols-5,
  .grid-cols-6 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }
  
  .hero {
    padding: var(--space-16) 0;
  }
  
  .hero-title {
    font-size: var(--text-3xl);
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-xl {
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-lg);
  }
}

/* ----- ACCESSIBILITY ----- */
@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;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --gray-300: #666666;
    --gray-600: #333333;
    --gray-700: #222222;
  }
  
  .btn-outline {
    border-width: 2px;
  }
  
  .card {
    border-width: 2px;
  }
}

/* Focus styles for accessibility */
*:focus {
  outline: 2px solid var(--platform-600);
  outline-offset: 2px;
}

*:focus:not(:focus-visible) {
  outline: none;
}

/* Screen reader only 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;
}

/* ----- DARK MODE SUPPORT (Future Enhancement) ----- */
@media (prefers-color-scheme: dark) {
  /* Dark mode variables would go here for future implementation */
}

/* ===================================================================
   END VIRODYN DESIGN SYSTEM
   =================================================================== */