/* ===== BRIAN HARDIN DESIGN SYSTEM ===== */

/* Import Professional Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Lexend:wght@300;400;500;600;700&family=JetBrains+Mono:wght@300;400;500;600&display=swap');

/* ===== CSS CUSTOM PROPERTIES (DESIGN TOKENS) ===== */
:root {
  /* === TYPOGRAPHY === */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Lexend', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Monaco, 'Cascadia Code', monospace;
  
  /* Font Sizes - Premium Scale */
  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.875rem;    /* 14px */
  --text-base: 1rem;      /* 16px - base */
  --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 */
  
  /* Font Weights - Refined */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  
  /* Line Heights - Optimized for Readability */
  --leading-tight: 1.2;
  --leading-normal: 1.6;        /* Improved from 1.5 for better readability */
  --leading-relaxed: 1.8;       /* Improved from 1.75 for content flow */
  --leading-loose: 2.0;         /* For very relaxed content sections */
  
  /* Letter Spacing */
  --letter-normal: 0;
  --letter-wide: 0.05em;
  
  /* === COLORS === */
  /* Premium Brand Colors (Deep Slate) - Primary Brand */
  --color-primary: #1E293B;
  --color-primary-light: #334155;
  --color-primary-dark: #0F172A;
  
  /* Secondary Colors (Electric Blue) - Tech & Innovation */
  --color-secondary: #0EA5E9;
  --color-secondary-light: #38BDF8;
  --color-secondary-dark: #0284C7;
  
  /* Accent Colors (Emerald Green) - Python & Growth */
  --color-accent: #10B981;
  --color-accent-light: #34D399;
  --color-accent-dark: #059669;
  
  /* Premium Accent (Amber) - Expertise & Achievement */
  --color-premium: #F59E0B;
  --color-premium-light: #FCD34D;
  --color-premium-dark: #D97706;
  
  /* Brand Identity Colors */
  --color-brand-primary: #1E293B;    /* Deep professional slate */
  --color-brand-secondary: #0EA5E9;  /* Electric blue for tech */
  --color-brand-accent: #10B981;     /* Python green for development */
  --color-brand-premium: #F59E0B;    /* Amber for premium touches */
  
  /* Neutral Colors */
  --color-neutral-light: #F8FAFC;
  --color-neutral-dark: #0F172A;
  
  /* Background Colors */
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #F8FAFC;
  --color-bg-accent: #F0F9FF;
  
  /* Extended color palette for compatibility */
  --color-primary-50: #f8fafc;
  --color-primary-100: #f1f5f9;
  --color-primary-200: #e2e8f0;
  --color-primary-300: #cbd5e1;
  --color-primary-400: #94a3b8;
  --color-primary-500: #64748b;
  --color-primary-600: #475569;
  --color-primary-700: #334155;
  --color-primary-800: #1e293b;
  --color-primary-900: #0f172a;
  
  /* Secondary Colors (Electric Blue spectrum) */
  --color-secondary-50: #f0f9ff;
  --color-secondary-100: #e0f2fe;
  --color-secondary-200: #bae6fd;
  --color-secondary-300: #7dd3fc;
  --color-secondary-400: #38bdf8;
  --color-secondary-500: #0ea5e9;
  --color-secondary-600: #0284c7;
  --color-secondary-700: #0369a1;
  --color-secondary-800: #075985;
  --color-secondary-900: #0c4a6e;
  
  /* Neutral Grays */
  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;
  
  /* Semantic Colors */
  --color-success-50: #ecfdf5;
  --color-success-100: #d1fae5;
  --color-success-500: #10b981;
  --color-success-600: #059669;
  --color-success-700: #047857;
  
  --color-warning-50: #fffbeb;
  --color-warning-100: #fef3c7;
  --color-warning-500: #f59e0b;
  --color-warning-600: #d97706;
  --color-warning-700: #b45309;
  
  --color-error-50: #fef2f2;
  --color-error-100: #fee2e2;
  --color-error-500: #ef4444;
  --color-error-600: #dc2626;
  --color-error-700: #b91c1c;
  
  /* Extended color palette for testimonials */
  --color-accent-50: #ecfdf5;
  --color-premium-50: #fffbeb;
  
  /* === SPACING - Refined Scale === */
  --space-xs: 4px;      /* 4px */
  --space-sm: 8px;      /* 8px */
  --space-md: 16px;     /* 16px */
  --space-lg: 24px;     /* 24px */
  --space-xl: 32px;     /* 32px */
  --space-2xl: 48px;    /* 48px */
  
  /* === SHADOWS - Enhanced with colored shadows === */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);
  --shadow-premium: 0 32px 64px -12px rgba(0,0,0,0.15);
  
  /* Colored shadows for interactive elements */
  --shadow-primary: 0 8px 25px -8px rgba(30, 41, 59, 0.3);
  --shadow-secondary: 0 8px 25px -8px rgba(14, 165, 233, 0.3);
  --shadow-accent: 0 8px 25px -8px rgba(16, 185, 129, 0.3);
  --shadow-premium: 0 8px 25px -8px rgba(245, 158, 11, 0.3);
  
  /* Glass morphism shadows */
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(255, 255, 255, 0.1);
  --shadow-glass-dark: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.05);
  
  /* === BORDER RADIUS === */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-full: 9999px;
  
  /* === TRANSITIONS - Premium Motion Design === */
  --transition-fast: 150ms cubic-bezier(0, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Premium easing curves */
  --ease-in-out-back: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-in-out-circ: cubic-bezier(0.785, 0.135, 0.15, 0.86);
  --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
  --ease-in-out-quart: cubic-bezier(0.77, 0, 0.175, 1);
  
  /* Micro-interactions */
  --transition-micro: 100ms var(--ease-out-expo);
  --transition-button: 200ms var(--ease-in-out-quart);
  --transition-card: 300ms var(--ease-in-out-circ);
  --transition-modal: 400ms var(--ease-in-out-back);
  
  /* Animation delays for staggered effects */
  --delay-1: 50ms;
  --delay-2: 100ms;
  --delay-3: 150ms;
  --delay-4: 200ms;

  /* === BORDER WIDTH === */
  --border-thin: 1px;
  --border-regular: 2px;
  --border-thick: 4px;

  /* === OPACITY === */
  --opacity-low: 0.2;
  --opacity-medium: 0.5;
  --opacity-high: 0.8;

  /* === Z-INDEX === */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-overlay: 400;
  --z-tooltip: 500;
}

/* Dark Mode Color Overrides */
.dark {
  /* Override key colors for dark mode */
  --color-gray-50: #0f172a;
  --color-gray-100: #1e293b;
  --color-gray-200: #334155;
  --color-gray-300: #475569;
  --color-gray-400: #64748b;
  --color-gray-500: #94a3b8;
  --color-gray-600: #cbd5e1;
  --color-gray-700: #e2e8f0;
  --color-gray-800: #f1f5f9;
  --color-gray-900: #f8fafc;
  
  /* Update neutral colors for dark mode */
  --color-neutral-light: #1e293b;
  --color-neutral-dark: #f8fafc;
  
  /* Background colors for dark mode */
  --color-bg-primary: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-bg-accent: #0c4a6e;
  
  /* Override light accent colors for dark mode visibility */
  --color-secondary-50: #0c4a6e;
  --color-accent-50: #064e3b;
  --color-premium-50: #451a03;
}

/* ===== ENHANCED CONTENT HIERARCHY & READABILITY ===== */

/* Typography Scale for Better Hierarchy */
.heading-hero {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: var(--font-extrabold);
  line-height: var(--leading-tight);
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
}

.heading-1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  margin-top: 2.5rem;
}

.heading-2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
  margin-top: 2rem;
}

.heading-3 {
  font-family: var(--font-primary);
  font-size: clamp(1.25rem, 2.5vw, 1.875rem);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  margin-bottom: 0.75rem;
  margin-top: 1.5rem;
}

.heading-4 {
  font-family: var(--font-primary);
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: var(--font-medium);
  line-height: var(--leading-normal);
  margin-bottom: 0.5rem;
  margin-top: 1.25rem;
}

/* Enhanced Body Text */
.body-large {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  line-height: var(--leading-relaxed);
  margin-bottom: 1.5rem;
  color: var(--color-gray-700);
}

.dark .body-large {
  color: var(--color-gray-300);
}

.body-text {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  margin-bottom: 1.25rem;
  color: var(--color-gray-600);
}

.dark .body-text {
  color: var(--color-gray-400);
}

.body-small {
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  margin-bottom: 1rem;
  color: var(--color-gray-500);
}

.dark .body-small {
  color: var(--color-gray-500);
}

/* Content Sections with Better Spacing */
.content-section {
  margin-bottom: 3rem;
}

.content-section:last-child {
  margin-bottom: 0;
}

.content-block {
  margin-bottom: 2rem;
}

.content-block:last-child {
  margin-bottom: 0;
}

/* Enhanced Lists */
.list-styled {
  margin-bottom: 1.5rem;
  padding-left: 0;
}

.list-styled li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  line-height: var(--leading-relaxed);
  color: var(--color-gray-600);
}

.dark .list-styled li {
  color: var(--color-gray-400);
}

.list-styled li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-primary-500);
  font-weight: var(--font-bold);
}

/* Enhanced Quotes and Callouts */
.callout {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary-500);
  background: var(--color-primary-50);
  margin: 2rem 0;
}

.dark .callout {
  background: var(--color-primary-900);
  border-left-color: var(--color-primary-400);
}

.callout-info {
  border-left-color: var(--color-secondary-500);
  background: var(--color-secondary-50);
}

.dark .callout-info {
  background: var(--color-secondary-900);
  border-left-color: var(--color-secondary-400);
}

.callout-success {
  border-left-color: var(--color-accent-500);
  background: var(--color-accent-50);
}

.dark .callout-success {
  background: var(--color-accent-900);
  border-left-color: var(--color-accent-400);
}

/* Visual Separators */
.visual-break {
  margin: 3rem 0;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    var(--color-gray-300),
    transparent
  );
}

.dark .visual-break {
  background: linear-gradient(
    to right,
    transparent,
    var(--color-gray-700),
    transparent
  );
}

.section-divider {
  margin: 4rem 0;
  text-align: center;
  position: relative;
}

.section-divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-gray-200);
  transform: translateY(-50%);
}

.dark .section-divider::before {
  background: var(--color-gray-700);
}

.section-divider-icon {
  background: var(--color-bg-primary);
  padding: 0 1rem;
  color: var(--color-gray-500);
  font-size: 1.5rem;
  position: relative;
  z-index: 1;
}

/* Enhanced Mobile Reading Experience */
@media (max-width: 640px) {
  .heading-hero {
    font-size: 2.5rem;
    line-height: 1.1;
    margin-bottom: 1rem;
  }
  
  .heading-1 {
    font-size: 2rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
  }
  
  .heading-2 {
    font-size: 1.5rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
  }
  
  .body-large {
    font-size: 1.125rem;
    margin-bottom: 1.25rem;
  }
  
  .body-text {
    font-size: 1rem;
    margin-bottom: 1rem;
  }
  
  .content-section {
    margin-bottom: 2rem;
  }
  
  .content-block {
    margin-bottom: 1.5rem;
  }
  
  .callout {
    padding: 1rem;
    margin: 1.5rem 0;
  }
  
  .section-divider {
    margin: 2.5rem 0;
  }
}

/* Enhanced Focus States for Accessibility */
.focus-enhanced:focus {
  outline: 2px solid var(--color-secondary-500);
  outline-offset: 2px;
  border-radius: var(--radius-md);
}

/* Reading Width Optimization */
.prose-width {
  max-width: 65ch; /* Optimal reading width */
  margin-left: auto;
  margin-right: auto;
}

.prose-width-wide {
  max-width: 80ch;
  margin-left: auto;
  margin-right: auto;
}

/* ===== PREMIUM ANIMATIONS ===== */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

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

/* ===== GLOBAL STYLES ===== */

/* Reset and responsive foundation */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
    max-width: 100vw;
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
    max-width: 100vw;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    position: relative;
}

/* Prevent horizontal overflow on all elements */
* {
    max-width: 100%;
    box-sizing: border-box;
}

/* Fix for elements that might cause overflow */
img, video, iframe, embed, object {
    max-width: 100%;
    height: auto;
}

/* Ensure no elements extend beyond viewport */
.container, .max-w-7xl, .max-w-6xl, .max-w-5xl, .max-w-4xl, .max-w-3xl, .max-w-2xl, .max-w-xl {
    width: 100%;
    max-width: 100%;
    padding-left: 1rem;
    padding-right: 1rem;
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
}

/* Mobile-first container adjustments */
@media (max-width: 375px) {
    .container, .max-w-7xl, .max-w-6xl, .max-w-5xl, .max-w-4xl, .max-w-3xl, .max-w-2xl, .max-w-xl {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
    
    /* Ensure no negative margins on mobile */
    * {
        margin-left: 0;
        margin-right: 0;
    }
    
    /* Fix potential table overflow */
    table {
        width: 100%;
        table-layout: fixed;
    }
    
    /* Prevent text from causing overflow */
    pre, code {
        white-space: pre-wrap;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-neutral-dark);
    background-color: var(--color-bg-primary) !important;
    font-weight: var(--font-regular);
    letter-spacing: var(--letter-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Dark mode body styling */
.dark body {
    background-color: var(--color-bg-primary) !important;
    color: var(--color-neutral-dark) !important;
}

/* Typography Scale - Premium */
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }
.text-5xl { font-size: var(--text-5xl); }
.text-6xl { font-size: var(--text-6xl); }
.text-7xl { font-size: var(--text-7xl); }

/* Font Families */
.font-primary { font-family: var(--font-primary); }
.font-display { font-family: var(--font-display); }
.font-mono { font-family: var(--font-mono); }

/* Font Weights - Premium */
.font-light { font-weight: var(--font-light); }
.font-regular { font-weight: var(--font-regular); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }
.font-extrabold { font-weight: var(--font-extrabold); }

/* Line Heights */
.leading-tight { line-height: var(--leading-tight); }
.leading-normal { line-height: var(--leading-normal); }
.leading-relaxed { line-height: var(--leading-relaxed); }

/* Letter Spacing */
.tracking-normal { letter-spacing: var(--letter-normal); }
.tracking-wide { letter-spacing: var(--letter-wide); }

/* Elegant Typography with Serif Font */
.text-serif { 
    font-family: var(--font-secondary); 
    line-height: var(--leading-relaxed);
}

.text-serif-lg {
    font-family: var(--font-secondary);
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    font-weight: var(--font-regular);
}

.text-serif-xl {
    font-family: var(--font-secondary);
    font-size: var(--text-xl);
    line-height: var(--leading-tight);
    font-weight: var(--font-bold);
}

.quote {
    font-family: var(--font-secondary);
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    font-style: italic;
    color: var(--color-gray-600);
}

.dark .quote {
    color: var(--color-gray-400);
}

/* Elegant Headlines with Serif Font */
.headline-elegant {
    font-family: var(--font-secondary);
    font-size: var(--text-3xl);
    line-height: var(--leading-tight);
    font-weight: var(--font-bold);
    letter-spacing: var(--letter-normal);
    color: var(--color-gray-900);
}

.dark .headline-elegant {
    color: var(--color-gray-100);
}

.subheadline-elegant {
    font-family: var(--font-secondary);
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    font-weight: var(--font-regular);
    color: var(--color-gray-700);
    margin-bottom: var(--space-lg);
}

.dark .subheadline-elegant {
    color: var(--color-gray-300);
}

/* Color Utilities */
.text-primary { color: var(--color-primary-600); }
.text-secondary { color: var(--color-secondary-600); }
.text-muted { color: var(--color-gray-600); }
.text-subtle { color: var(--color-gray-500); }
.text-inverse { color: var(--color-gray-50); }

.dark .text-primary { color: var(--color-primary-400); }
.dark .text-secondary { color: var(--color-secondary-400); }
.dark .text-muted { color: var(--color-gray-400); }
.dark .text-subtle { color: var(--color-gray-500); }
.dark .text-inverse { color: var(--color-gray-900); }

/* ===== ACCESSIBILITY & MOBILE ===== */

/* Touch-friendly targets for mobile */
button, a, input, select, textarea {
    min-height: 44px;
    min-width: 44px;
}

/* Ensure interactive elements are properly sized */
button, .btn, .btn-primary, .btn-secondary {
    min-height: 44px;
    min-width: 44px;
    padding: 12px 24px;
    font-size: 16px;
    line-height: 1.5;
}

/* Navigation links touch targets */
nav a {
    min-height: 44px;
    min-width: 44px;
    padding: 12px 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Mobile-specific touch target improvements */
@media (max-width: 640px) {
    button, .btn, .btn-primary, .btn-secondary {
        min-height: 48px;
        padding: 14px 24px;
        font-size: 16px;
    }
    
    nav a {
        min-height: 48px;
        padding: 14px 12px;
        font-size: 16px;
    }
}

/* Focus indicators */
:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

/* Screen reader only */
.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;
}

/* Form inputs mobile optimization */
input, textarea, select {
    min-height: 44px;
    font-size: 16px; /* Prevents zoom on iOS */
    padding: 12px 16px; /* Ensure consistent padding */
    font-family: var(--font-sans);
    line-height: 1.5;
}

/* Ensure textareas have proper minimum height */
textarea {
    min-height: 120px;
    resize: vertical;
}

/* Professional form styling */
.form-group {
    margin-bottom: var(--space-4);
}

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

.dark .form-label {
    color: var(--color-gray-300);
}

.form-help {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    margin-top: var(--space-1);
}

.dark .form-help {
    color: var(--color-gray-400);
}

/* Navigation mobile improvements */
@media (max-width: 640px) {
    nav .flex.items-center.space-x-8 {
        gap: 0.5rem;
    }
    
    nav a {
        padding: 12px 8px;
        font-size: 16px;
        min-height: 44px;
    }
    
    /* Reduce spacing between navigation items on mobile */
    nav .space-x-8 > * + * {
        margin-left: 0.5rem;
    }
}

/* Very small screens (iPhone SE) */
@media (max-width: 375px) {
    nav .flex.items-center.space-x-8 {
        gap: 0.25rem;
    }
    
    nav a {
        padding: 12px 6px;
        font-size: 14px;
    }
    
    nav .space-x-8 > * + * {
        margin-left: 0.25rem;
    }
}

/* ===== ANIMATION UTILITIES ===== */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

.slide-up {
    animation: slideUp 0.6s ease-out;
}

.scale-in {
    animation: scaleIn 0.4s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

/* ===== COMPONENT STYLES ===== */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-weight: var(--font-medium);
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-secondary-500), var(--color-secondary-600));
    color: white;
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    box-shadow: var(--shadow-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-button);
    position: relative;
    overflow: hidden;
    
    /* Subtle shine effect */
    &::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
        transition: left var(--transition-slow);
    }
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-secondary-400), var(--color-secondary-500));
    box-shadow: var(--shadow-secondary), 0 0 20px rgba(14, 165, 233, 0.15);
    transform: translateY(-2px) scale(1.02);
    
    &::before {
        left: 100%;
    }
}

.btn-primary:active {
    transform: translateY(-1px) scale(1.01);
    transition: all var(--transition-micro);
}

/* Premium Button Styles */
.btn-primary-premium {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
    color: white;
    padding: 12px 32px;
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 25px -5px rgba(14, 165, 233, 0.3);
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary-premium:hover {
    background: linear-gradient(135deg, var(--color-secondary-light), var(--color-secondary));
    box-shadow: 0 15px 35px -5px rgba(14, 165, 233, 0.4);
    transform: translateY(-2px);
    color: white;
}

.btn-secondary {
    background: var(--color-bg-primary);
    color: var(--color-primary);
    border: var(--border-regular) solid var(--color-primary);
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-lg);
}

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

.btn-secondary-premium {
    background: var(--color-bg-primary);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    padding: 12px 32px;
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-lg);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-secondary-premium:hover {
    background: var(--color-primary);
    color: var(--color-bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.dark .btn-secondary {
    background: var(--color-bg-primary);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.dark .btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-bg-primary);
}

/* Cards */
.card {
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: var(--border-thin) solid var(--color-gray-200);
    transition: all var(--transition-card);
    position: relative;
    overflow: hidden;
    
    /* Subtle gradient overlay */
    &::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--color-secondary-200), transparent);
        opacity: 0;
        transition: opacity var(--transition-normal);
    }
}

.card:hover {
    box-shadow: var(--shadow-lg), 0 0 30px rgba(14, 165, 233, 0.08);
    transform: translateY(-4px) scale(1.02);
    border-color: var(--color-secondary-300);
    
    &::before {
        opacity: 1;
    }
}

.card-premium {
    background: var(--color-bg-primary);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-gray-200);
    transition: all 0.3s ease;
}

.card-premium:hover {
    box-shadow: var(--shadow-premium);
    transform: translateY(-4px);
    border-color: var(--color-secondary-light);
}

.dark .card {
    background: var(--color-bg-primary);
    border-color: var(--color-gray-700);
}

.dark .card-premium {
    background: var(--color-bg-primary);
    border-color: var(--color-gray-700);
}

/* Technology cards - need separate class to override inline styles */
.tech-card {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-gray-200);
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    transform: translateY(0);
}

.tech-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
}

.dark .tech-card {
    background: var(--color-bg-primary);
    border-color: var(--color-gray-700);
}

/* Form Elements */
.form-input {
    width: 100%;
    min-height: 44px;
    padding: 12px 16px;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.5;
    background: var(--color-neutral-light);
    color: var(--color-neutral-dark);
    transition: all var(--transition-normal);
}

/* Mobile form input improvements */
@media (max-width: 640px) {
    .form-input {
        min-height: 48px;
        padding: 14px 16px;
        font-size: 16px;
    }
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(200, 81, 3, 0.1);
}

.dark .form-input {
    background: var(--color-neutral-light);
    border-color: var(--color-gray-600);
    color: var(--color-neutral-dark);
}

.dark .form-input:focus {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(224, 119, 63, 0.1);
}

/* Custom hover effects */
.hover-lift:hover {
    transform: translateY(-2px);
    transition: transform var(--transition-base);
}

.hover-scale:hover {
    transform: scale(1.05);
    transition: transform var(--transition-base);
}

/* Focus Styles */
.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-primary-500) / 0.2;
}

/* Text Gradients */
.text-gradient-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dark .text-gradient-primary {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== CODE STYLING ===== */
.hljs {
    background: var(--color-gray-900);
    color: var(--color-gray-100);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    padding: var(--space-1) var(--space-2);
    background: var(--color-gray-100);
    color: var(--color-primary-700);
    border-radius: var(--radius-base);
    font-weight: var(--font-medium);
}

.dark code {
    background: var(--color-gray-700);
    color: var(--color-primary-300);
}

pre code {
    background: transparent;
    padding: 0;
    color: inherit;
}

/* ===== SCROLLBAR STYLING ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gray-300);
    border-radius: var(--radius-base);
    transition: background var(--transition-base);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-400);
}

.dark ::-webkit-scrollbar-track {
    background: var(--color-gray-800);
}

.dark ::-webkit-scrollbar-thumb {
    background: var(--color-gray-600);
}

.dark ::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-500);
}

/* ===== HTMX LOADING STATES ===== */
.htmx-indicator {
    display: none;
}

.htmx-request .htmx-indicator {
    display: inline;
}

.htmx-request .htmx-not-indicator {
    display: none;
}

.htmx-request {
    opacity: 0.8;
    transition: opacity var(--transition-base);
}

/* Loading Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gray-200);
    border-top: 2px solid var(--color-primary-500);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.dark .spinner {
    border-color: var(--color-gray-600);
    border-top-color: var(--color-primary-400);
}

/* ===== UTILITY CLASSES ===== */

/* Spacing - Refined Scale */
.p-xs { padding: var(--space-xs); }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }
.p-2xl { padding: var(--space-2xl); }

.m-xs { margin: var(--space-xs); }
.m-sm { margin: var(--space-sm); }
.m-md { margin: var(--space-md); }
.m-lg { margin: var(--space-lg); }
.m-xl { margin: var(--space-xl); }
.m-2xl { margin: var(--space-2xl); }

/* Border Radius - Refined */
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadows - Refined */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Form validation styles */
.invalid {
    border-color: var(--color-error-500) !important;
    box-shadow: 0 0 0 3px rgb(239 68 68 / 0.1) !important;
}

.valid {
    border-color: var(--color-success-500) !important;
    box-shadow: 0 0 0 3px rgb(34 197 94 / 0.1) !important;
}

/* ===== RESPONSIVE TYPOGRAPHY ===== */
/* Ensure minimum font sizes for readability */
body, p, div, span, a, button, input, textarea, select {
    font-size: 16px;
    line-height: 1.5;
}

/* Responsive typography with minimum sizes */
@media (max-width: 640px) {
    .text-responsive-lg { font-size: max(1.5rem, 24px); }
    .text-responsive-xl { font-size: max(1.875rem, 30px); }
    .text-responsive-2xl { font-size: max(2.25rem, 36px); }
    .text-responsive-3xl { font-size: max(3rem, 48px); }
    
    /* Ensure minimum font sizes on mobile */
    .text-xs { font-size: 14px; }
    .text-sm { font-size: 16px; }
    .text-base { font-size: 16px; }
    .text-lg { font-size: 18px; }
    .text-xl { font-size: 20px; }
    .text-2xl { font-size: 24px; }
    .text-3xl { font-size: 30px; }
    .text-4xl { font-size: 36px; }
    .text-5xl { font-size: 48px; }
    .text-6xl { font-size: 60px; }
    .text-7xl { font-size: 72px; }
}

@media (min-width: 641px) and (max-width: 768px) {
    .text-responsive-lg { font-size: var(--text-3xl); }
    .text-responsive-xl { font-size: var(--text-4xl); }
    .text-responsive-2xl { font-size: var(--text-5xl); }
    .text-responsive-3xl { font-size: var(--text-6xl); }
}

@media (min-width: 1024px) {
    .text-responsive-lg { font-size: var(--text-4xl); }
    .text-responsive-xl { font-size: var(--text-5xl); }
    .text-responsive-2xl { font-size: var(--text-6xl); }
    .text-responsive-3xl { font-size: var(--text-7xl); }
}
/* ===== ENHANCED GLOBAL STYLES ===== */

/* Apply design system to body */
body {
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-primary-50) 100%);
    min-height: 100vh;
}

.dark body {
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
}

/* Navigation Styles */
.nav-link.active {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.dark .nav-link.active {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

/* Professional section spacing */
.section {
    padding: var(--space-24) 0;
}

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

.section-lg {
    padding: var(--space-32) 0;
}

/* Content width constraints */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.container-sm {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.container-lg {
    max-width: 1536px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* Enhanced Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    color: var(--color-gray-900);
    letter-spacing: -0.025em;
}

.dark h1, .dark h2, .dark h3, .dark h4, .dark h5, .dark h6 {
    color: var(--color-gray-100);
}

p {
    line-height: var(--leading-relaxed);
    color: var(--color-gray-700);
}

.dark p {
    color: var(--color-gray-300);
}

/* Professional link styling */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-normal);
}

a:hover {
    color: var(--color-primary-dark);
}

.dark a {
    color: var(--color-primary-light);
}

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

/* Improved selection styling */
::selection {
    background: var(--color-primary-200);
    color: var(--color-primary-900);
}

.dark ::selection {
    background: var(--color-primary-800);
    color: var(--color-primary-100);
}

/* ===== ENHANCED LOADING STATES & INTERACTIONS ===== */

/* Skeleton Loading Animation */
.skeleton {
    background: linear-gradient(90deg, var(--color-gray-200) 25%, var(--color-gray-100) 50%, var(--color-gray-200) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: var(--radius-base);
}

.dark .skeleton {
    background: linear-gradient(90deg, var(--color-gray-700) 25%, var(--color-gray-600) 50%, var(--color-gray-700) 75%);
    background-size: 200% 100%;
}

@keyframes loading {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Enhanced Button Loading States */
.btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

/* Pulse Animation for Live Elements */
.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Typing Indicator */
.typing-indicator {
    display: inline-flex;
    align-items: center;
    gap: 2px;
}

.typing-indicator .dot {
    width: 6px;
    height: 6px;
    background: var(--color-primary-500);
    border-radius: var(--radius-full);
    animation: typing 1.4s infinite;
}

.typing-indicator .dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator .dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-10px);
    }
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--color-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.dark .progress-bar {
    background: var(--color-gray-700);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary-500), var(--color-primary-600));
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

.progress-indeterminate {
    width: 30%;
    animation: progress 2s ease-in-out infinite;
}

@keyframes progress {
    0% {
        transform: translateX(-100%);
    }
    50% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(400%);
    }
}

/* Enhanced Card Interactions */
.interactive-card {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.interactive-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.interactive-card:hover::before {
    left: 100%;
}

/* Enhanced Tooltips */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-gray-900);
    color: white;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1000;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

.dark .tooltip::after {
    background: var(--color-gray-700);
}

/* Notification Toast Styles */
.toast {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    max-width: 400px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-gray-200);
    z-index: 1000;
    animation: slideInRight 0.3s ease-out;
}

.dark .toast {
    background: var(--color-gray-800);
    border-color: var(--color-gray-700);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.success {
    border-left: 4px solid var(--color-accent);
}

.toast.error {
    border-left: 4px solid var(--color-error-500);
}

.toast.warning {
    border-left: 4px solid var(--color-primary);
}

/* Enhanced Form States */
.form-field-loading {
    position: relative;
}

.form-field-loading::after {
    content: '';
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-gray-300);
    border-top: 2px solid var(--color-primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Required field indicator */
.form-label.required::after {
    content: '*';
    color: var(--color-error-500);
    margin-left: 4px;
}

/* Success state for forms */
.form-success {
    animation: successPulse 0.6s ease-out;
}

@keyframes successPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
        box-shadow: 0 0 20px rgba(34, 197, 94, 0.3);
    }
    100% {
        transform: scale(1);
    }
}
/* ===== REUSABLE COMPONENT CLASSES ===== */

/* Badge Component */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-primary {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.dark .badge-primary {
    background: var(--color-primary);
    background-opacity: 0.3;
    color: var(--color-primary-light);
}

.badge-success {
    background: rgba(3, 200, 166, 0.1);
    color: var(--color-accent);
}

.dark .badge-success {
    background: rgba(3, 200, 166, 0.2);
    color: var(--color-accent);
}

.badge-warning {
    background: rgba(200, 81, 3, 0.1);
    color: var(--color-primary);
}

.dark .badge-warning {
    background: rgba(200, 81, 3, 0.2);
    color: var(--color-primary-light);
}

.badge-error {
    background: var(--color-error-100);
    color: var(--color-error-700);
}

.dark .badge-error {
    background: var(--color-error-900);
    background-opacity: 0.3;
    color: var(--color-error-300);
}

/* Status Indicator */
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

.status-indicator::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
}

.status-online::before {
    background: var(--color-success-500);
}

.status-busy::before {
    background: var(--color-warning-500);
}

.status-offline::before {
    background: var(--color-gray-400);
}

/* Avatar Component */
.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--color-gray-200);
    color: var(--color-gray-600);
    font-weight: var(--font-medium);
    overflow: hidden;
}

.dark .avatar {
    background: var(--color-gray-700);
    color: var(--color-gray-300);
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: var(--text-sm);
}

.avatar-md {
    width: 40px;
    height: 40px;
    font-size: var(--text-base);
}

.avatar-lg {
    width: 48px;
    height: 48px;
    font-size: var(--text-lg);
}

.avatar-xl {
    width: 64px;
    height: 64px;
    font-size: var(--text-xl);
}

/* Alert Component */
.alert {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

.alert-info {
    background: var(--color-secondary-50);
    border-color: var(--color-secondary-200);
    color: var(--color-secondary-800);
}

.dark .alert-info {
    background: var(--color-secondary-900);
    background-opacity: 0.2;
    border-color: var(--color-secondary-700);
    color: var(--color-secondary-200);
}

.alert-success {
    background: rgba(3, 200, 166, 0.1);
    border-color: rgba(3, 200, 166, 0.3);
    color: var(--color-accent);
}

.dark .alert-success {
    background: rgba(3, 200, 166, 0.2);
    border-color: rgba(3, 200, 166, 0.4);
    color: var(--color-accent);
}

.alert-warning {
    background: var(--color-primary-50);
    border-color: var(--color-primary-200);
    color: var(--color-primary-800);
}

.dark .alert-warning {
    background: var(--color-primary-900);
    background-opacity: 0.2;
    border-color: var(--color-primary-700);
    color: var(--color-primary-200);
}

.alert-error {
    background: var(--color-error-50);
    border-color: var(--color-error-200);
    color: var(--color-error-800);
}

.dark .alert-error {
    background: var(--color-error-900);
    background-opacity: 0.2;
    border-color: var(--color-error-700);
    color: var(--color-error-200);
}

/* Stats Card Component */
.stats-card {
    background: var(--color-neutral-light);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-normal);
}

.dark .stats-card {
    background: var(--color-neutral-light);
    border-color: var(--color-gray-700);
}

.stats-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
    border-color: var(--color-primary-light);
}

.stats-number {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-primary-600);
    line-height: var(--leading-tight);
}

.dark .stats-number {
    color: var(--color-primary-400);
}

.stats-label {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    font-weight: var(--font-medium);
    margin-top: var(--space-1);
}

.dark .stats-label {
    color: var(--color-gray-400);
}

.stats-change {
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    margin-top: var(--space-2);
}

.stats-change.positive {
    color: var(--color-success-600);
}

.stats-change.negative {
    color: var(--color-error-600);
}

/* Feature Card Component */
.feature-card {
    text-align: center;
    padding: var(--space-8);
    background: var(--color-neutral-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.dark .feature-card {
    background: var(--color-neutral-light);
    border-color: var(--color-gray-700);
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--color-primary-light);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-md);
}

.feature-title {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-3);
}

.dark .feature-title {
    color: var(--color-gray-100);
}

.feature-description {
    color: var(--color-gray-600);
    line-height: var(--leading-relaxed);
}

.dark .feature-description {
    color: var(--color-gray-400);
}

/* Divider Component */
.divider {
    border: none;
    height: 1px;
    background: var(--color-gray-200);
    margin: var(--space-8) 0;
}

.dark .divider {
    background: var(--color-gray-700);
}

.divider-text {
    position: relative;
    text-align: center;
    margin: var(--space-8) 0;
}

.divider-text::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-gray-200);
}

.dark .divider-text::before {
    background: var(--color-gray-700);
}

.divider-text span {
    background: white;
    padding: 0 var(--space-4);
    color: var(--color-gray-500);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    position: relative;
    z-index: 1;
}

.dark .divider-text span {
    background: var(--color-gray-900);
    color: var(--color-gray-400);
}

/* Quick Actions Menu */
.quick-actions {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-3);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-200);
}

.dark .quick-actions {
    background: var(--color-gray-800);
    border-color: var(--color-gray-700);
}

.quick-action {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    transition: all var(--transition-base);
    cursor: pointer;
}

.dark .quick-action {
    background: var(--color-gray-700);
    color: var(--color-gray-400);
}

.quick-action:hover {
    background: var(--color-primary-100);
    color: var(--color-primary-600);
    transform: translateY(-2px);
}

.dark .quick-action:hover {
    background: var(--color-primary-900);
    background-opacity: 0.3;
    color: var(--color-primary-400);
}

/* ===== PREMIUM ANIMATION UTILITIES ===== */
.slide-up {
    animation: slideUp 0.6s var(--ease-out-expo) forwards;
}

.slide-up-delay-1 {
    animation: slideUp 0.6s var(--ease-out-expo) forwards;
    animation-delay: var(--delay-1);
    opacity: 0;
}

.slide-up-delay-2 {
    animation: slideUp 0.6s var(--ease-out-expo) forwards;
    animation-delay: var(--delay-2);
    opacity: 0;
}

.slide-up-delay-3 {
    animation: slideUp 0.6s var(--ease-out-expo) forwards;
    animation-delay: var(--delay-3);
    opacity: 0;
}

.slide-in-right {
    animation: slideInRight 0.6s var(--ease-out-expo) forwards;
}

.scale-in {
    animation: scaleIn 0.4s var(--ease-in-out-back) forwards;
}

.float {
    animation: float 3s ease-in-out infinite;
}

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

/* ===== ENHANCED VISUAL HIERARCHY ===== */
.text-gradient-primary {
    background: linear-gradient(135deg, var(--color-secondary-600), var(--color-secondary-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

.text-gradient-accent {
    background: linear-gradient(135deg, var(--color-accent-600), var(--color-accent-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

.text-gradient-premium {
    background: linear-gradient(135deg, var(--color-premium-600), var(--color-premium-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

/* ===== ENHANCED VISUAL EFFECTS ===== */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-glass);
}

.dark .glass {
    background: rgba(30, 41, 59, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-glass-dark);
}

.shimmer {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

.dark .shimmer {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    background-size: 1000px 100%;
}

/* ===== PREMIUM HOVER EFFECTS ===== */
.hover-lift {
    transition: all var(--transition-card);
}

.hover-lift:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.hover-glow {
    transition: all var(--transition-card);
}

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(14, 165, 233, 0.3);
}

.hover-float {
    transition: all var(--transition-card);
}

.hover-float:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

/* ===== BRAND IDENTITY SYSTEM ===== */
.brand-logo {
    width: 120px;
    height: 120px;
    transition: all var(--transition-card);
}

.brand-logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 10px 20px rgba(14, 165, 233, 0.2));
}

.brand-logo-small {
    width: 48px;
    height: 48px;
    transition: all var(--transition-button);
}

.brand-logo-small:hover {
    transform: scale(1.1);
}

.brand-favicon {
    width: 32px;
    height: 32px;
}

/* Brand color utilities */
.brand-primary {
    color: var(--color-brand-primary);
}

.brand-secondary {
    color: var(--color-brand-secondary);
}

.brand-accent {
    color: var(--color-brand-accent);
}

.brand-premium {
    color: var(--color-brand-premium);
}

.bg-brand-primary {
    background-color: var(--color-brand-primary);
}

.bg-brand-secondary {
    background-color: var(--color-brand-secondary);
}

.bg-brand-accent {
    background-color: var(--color-brand-accent);
}

.bg-brand-premium {
    background-color: var(--color-brand-premium);
}

/* Brand gradient backgrounds */
.bg-brand-gradient-primary {
    background: linear-gradient(135deg, var(--color-brand-primary), var(--color-brand-secondary));
}

.bg-brand-gradient-accent {
    background: linear-gradient(135deg, var(--color-brand-accent), var(--color-brand-secondary));
}

.bg-brand-gradient-premium {
    background: linear-gradient(135deg, var(--color-brand-premium), var(--color-brand-secondary));
}

/* Brand pattern overlay */
.brand-pattern {
    position: relative;
    overflow: hidden;
}

.brand-pattern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('/static/images/brand/pattern.svg');
    background-repeat: repeat;
    background-size: 200px 200px;
    opacity: 0.05;
    pointer-events: none;
}

.dark .brand-pattern::before {
    opacity: 0.03;
}

/* Professional signature element */
.brand-signature {
    position: relative;
    padding: 2rem;
    background: linear-gradient(135deg, var(--color-brand-primary), var(--color-brand-secondary));
    border-radius: var(--radius-lg);
    color: white;
    box-shadow: var(--shadow-premium);
}

.brand-signature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('/static/images/brand/pattern.svg');
    background-repeat: repeat;
    background-size: 100px 100px;
    opacity: 0.1;
    pointer-events: none;
}

/* Brand accent lines */
.brand-accent-line {
    position: relative;
}

.brand-accent-line::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--color-brand-secondary), var(--color-brand-accent));
    border-radius: 2px;
}

.brand-accent-line::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, var(--color-brand-secondary), transparent);
    border-radius: 1px;
}

/* ===== RESPONSIVE UTILITIES ===== */
@media (max-width: 640px) {
    .slide-up,
    .slide-up-delay-1,
    .slide-up-delay-2,
    .slide-up-delay-3 {
        animation-duration: 0.4s;
    }
    
    .hover-lift:hover,
    .hover-float:hover {
        transform: translateY(-2px) scale(1.01);
    }
    
    .brand-logo {
        width: 80px;
        height: 80px;
    }
    
    .brand-pattern::before {
        background-size: 150px 150px;
    }
}
EOF < /dev/null