/* ==========================================
   MODERN GLASSMORPHISM JOB APPLICATION PORTFOLIO
   ========================================== */

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

:root {
    /* Colors - Enhanced Palette */
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    --primary-200: #c7d2fe;
    --primary-300: #a5b4fc;
    --primary-400: #818cf8;
    --primary-500: #667eea;
    --primary-600: #5a6fd8;
    --primary-700: #4c51bf;
    --primary-800: #434190;
    --primary-900: #3c366b;
    --primary-950: #262338;
    
    --primary-color: var(--primary-500);
    --primary-dark: var(--primary-600);
    --primary-light: var(--primary-400);
    
    --secondary-50: #faf5ff;
    --secondary-100: #f3e8ff;
    --secondary-200: #e9d5ff;
    --secondary-300: #d8b4fe;
    --secondary-400: #c084fc;
    --secondary-500: #a855f7;
    --secondary-600: #9333ea;
    --secondary-700: #7c3aed;
    --secondary-800: #6b21a8;
    --secondary-900: #581c87;
    --secondary-950: #3b0764;
    
    --secondary-color: var(--secondary-600);
    
    --accent-50: #fdf2f8;
    --accent-100: #fce7f3;
    --accent-200: #fbcfe8;
    --accent-300: #f9a8d4;
    --accent-400: #f472b6;
    --accent-500: #ec4899;
    --accent-600: #db2777;
    --accent-700: #be185d;
    --accent-800: #9d174d;
    --accent-900: #831843;
    --accent-950: #500724;
    
    --accent-color: var(--accent-400);
    
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #3b82f6;
    
    /* Simplified Glassmorphism for Better Readability */
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-bg-light: rgba(255, 255, 255, 0.75);
    --glass-bg-medium: rgba(255, 255, 255, 0.9);
    --glass-bg-strong: rgba(255, 255, 255, 0.95);
    --glass-bg-ultra: rgba(255, 255, 255, 0.98);
    
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-border-light: rgba(255, 255, 255, 0.12);
    --glass-border-medium: rgba(255, 255, 255, 0.25);
    --glass-border-strong: rgba(255, 255, 255, 0.35);
    --glass-border-ultra: rgba(255, 255, 255, 0.45);
    
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --glass-shadow-light: 0 4px 16px 0 rgba(31, 38, 135, 0.15);
    --glass-shadow-medium: 0 8px 24px 0 rgba(31, 38, 135, 0.25);
    --glass-shadow-strong: 0 16px 48px 0 rgba(31, 38, 135, 0.45);
    --glass-shadow-ultra: 0 24px 64px 0 rgba(31, 38, 135, 0.6);
    
    --glass-backdrop: blur(8px);
    --glass-backdrop-light: blur(4px);
    --glass-backdrop-medium: blur(12px);
    --glass-backdrop-strong: blur(16px);
    --glass-backdrop-ultra: blur(20px);
    
    /* Glass noise texture for premium effect */
    --glass-noise: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.02'/%3E%3C/svg%3E");
    
    /* Enhanced Dark Theme with Better Readability */
    --dark-bg: #0f0f0f;
    --dark-surface: #1a1a1a;
    --dark-accent: #262626;
    
    --dark-glass-bg: rgba(26, 26, 26, 0.85);
    --dark-glass-bg-light: rgba(26, 26, 26, 0.75);
    --dark-glass-bg-medium: rgba(26, 26, 26, 0.9);
    --dark-glass-bg-strong: rgba(26, 26, 26, 0.95);
    --dark-glass-bg-ultra: rgba(26, 26, 26, 0.98);
    
    --dark-glass-border: rgba(255, 255, 255, 0.12);
    --dark-glass-border-light: rgba(255, 255, 255, 0.06);
    --dark-glass-border-medium: rgba(255, 255, 255, 0.18);
    --dark-glass-border-strong: rgba(255, 255, 255, 0.25);
    --dark-glass-border-ultra: rgba(255, 255, 255, 0.35);
    
    --dark-glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.7);
    --dark-glass-shadow-light: 0 4px 16px 0 rgba(0, 0, 0, 0.4);
    --dark-glass-shadow-medium: 0 8px 24px 0 rgba(0, 0, 0, 0.55);
    --dark-glass-shadow-strong: 0 16px 48px 0 rgba(0, 0, 0, 0.8);
    --dark-glass-shadow-ultra: 0 24px 64px 0 rgba(0, 0, 0, 0.9);
    
    /* Enhanced Text Colors for Better Readability */
    --text-primary: #1a1a1a;
    --text-secondary: #2d2d2d;
    --text-muted: #525252;
    --text-light: #737373;
    --text-inverse: #ffffff;
    
    /* Dark Text Colors - Enhanced Contrast */
    --dark-text-primary: #ffffff;
    --dark-text-secondary: #f5f5f5;
    --dark-text-muted: #e5e5e5;
    --dark-text-light: #d4d4d4;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    
    /* Dark Background Colors */
    --dark-bg-primary: #111827;
    --dark-bg-secondary: #1f2937;
    --dark-bg-tertiary: #374151;
    
    /* Spacing - Enhanced Scale */
    --spacing-0: 0;
    --spacing-px: 1px;
    --spacing-0_5: 0.125rem;
    --spacing-1: 0.25rem;
    --spacing-1_5: 0.375rem;
    --spacing-2: 0.5rem;
    --spacing-2_5: 0.625rem;
    --spacing-3: 0.75rem;
    --spacing-3_5: 0.875rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-7: 1.75rem;
    --spacing-8: 2rem;
    --spacing-9: 2.25rem;
    --spacing-10: 2.5rem;
    --spacing-11: 2.75rem;
    --spacing-12: 3rem;
    --spacing-14: 3.5rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    --spacing-28: 7rem;
    --spacing-32: 8rem;
    
    /* Legacy spacing for compatibility */
    --spacing-xs: var(--spacing-2);
    --spacing-sm: var(--spacing-4);
    --spacing-md: var(--spacing-6);
    --spacing-lg: var(--spacing-8);
    --spacing-xl: var(--spacing-12);
    --spacing-2xl: var(--spacing-16);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    
    /* Font Weights */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --font-weight-black: 900;
    
    /* Font Sizes */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Line Heights */
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;
    
    /* Letter Spacing */
    --letter-spacing-tighter: -0.05em;
    --letter-spacing-tight: -0.025em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.025em;
    --letter-spacing-wider: 0.05em;
    --letter-spacing-widest: 0.1em;
    
    /* Animations - Enhanced Timing */
    --transition-fast: 150ms cubic-bezier(0.4, 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);
    --transition-bounce: 600ms cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    /* Easing Functions */
    --ease-linear: cubic-bezier(0, 0, 1, 1);
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-elastic: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Breakpoints */
    --mobile: 768px;
    --tablet: 1024px;
    --desktop: 1440px;
}

/* Default Dark Theme */
:root {
    /* Set dark theme as default */
    --text-primary: var(--dark-text-primary);
    --text-secondary: var(--dark-text-secondary);
    --text-muted: var(--dark-text-muted);
    --text-light: var(--dark-text-light);
    --bg-primary: var(--dark-bg-primary);
    --bg-secondary: var(--dark-bg-secondary);
    --bg-tertiary: var(--dark-bg-tertiary);
    --glass-bg: var(--dark-glass-bg);
    --glass-bg-light: var(--dark-glass-bg-light);
    --glass-bg-medium: var(--dark-glass-bg-medium);
    --glass-bg-strong: var(--dark-glass-bg-strong);
    --glass-bg-ultra: var(--dark-glass-bg-ultra);
    --glass-border: var(--dark-glass-border);
    --glass-border-light: var(--dark-glass-border-light);
    --glass-border-medium: var(--dark-glass-border-medium);
    --glass-border-strong: var(--dark-glass-border-strong);
    --glass-border-ultra: var(--dark-glass-border-ultra);
    --glass-shadow: var(--dark-glass-shadow);
    --glass-shadow-light: var(--dark-glass-shadow-light);
    --glass-shadow-medium: var(--dark-glass-shadow-medium);
    --glass-shadow-strong: var(--dark-glass-shadow-strong);
    --glass-shadow-ultra: var(--dark-glass-shadow-ultra);
}

/* Light Theme Override */
[data-theme="light"] {
    --text-primary: #1a1a1a;
    --text-secondary: #2d2d2d;
    --text-muted: #525252;
    --text-light: #737373;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-bg-light: rgba(255, 255, 255, 0.75);
    --glass-bg-medium: rgba(255, 255, 255, 0.9);
    --glass-bg-strong: rgba(255, 255, 255, 0.95);
    --glass-bg-ultra: rgba(255, 255, 255, 0.98);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-border-light: rgba(255, 255, 255, 0.12);
    --glass-border-medium: rgba(255, 255, 255, 0.25);
    --glass-border-strong: rgba(255, 255, 255, 0.35);
    --glass-border-ultra: rgba(255, 255, 255, 0.45);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --glass-shadow-light: 0 4px 16px 0 rgba(31, 38, 135, 0.15);
    --glass-shadow-medium: 0 8px 24px 0 rgba(31, 38, 135, 0.25);
    --glass-shadow-strong: 0 16px 48px 0 rgba(31, 38, 135, 0.45);
    --glass-shadow-ultra: 0 24px 64px 0 rgba(31, 38, 135, 0.6);
}

/* Base Styles */
html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background: 
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(168, 85, 247, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-surface) 100%);
    background-attachment: fixed;
    background-size: 100% 100%;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

[data-theme="light"] body {
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%),
        linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-attachment: fixed;
    background-size: 100% 100%;
}

/* ==========================================
   IMPROVED TYPOGRAPHY SYSTEM
   ========================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-md);
    letter-spacing: var(--letter-spacing-tight);
    color: var(--text-primary);
}

h1 { 
    font-size: clamp(2.5rem, 5vw, 4rem); 
    font-weight: var(--font-weight-black);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tighter);
}
h2 { 
    font-size: clamp(2.25rem, 4.5vw, 3.5rem); 
    font-weight: var(--font-weight-extrabold);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.025em;
}
h3 { 
    font-size: clamp(1.5rem, 3vw, 2rem); 
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-snug);
}
h4 { 
    font-size: clamp(1.25rem, 2.5vw, 1.5rem); 
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-snug);
}
h5 { 
    font-size: var(--font-size-xl); 
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-snug);
}
h6 { 
    font-size: var(--font-size-lg); 
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-normal);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
    font-weight: var(--font-weight-normal);
}

/* Typography Utility Classes */
.text-large {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
}

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

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

.font-light { font-weight: var(--font-weight-light); }
.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }
.font-extrabold { font-weight: var(--font-weight-extrabold); }
.font-black { font-weight: var(--font-weight-black); }

.leading-tight { line-height: var(--line-height-tight); }
.leading-snug { line-height: var(--line-height-snug); }
.leading-normal { line-height: var(--line-height-normal); }
.leading-relaxed { line-height: var(--line-height-relaxed); }
.leading-loose { line-height: var(--line-height-loose); }

.tracking-tighter { letter-spacing: var(--letter-spacing-tighter); }
.tracking-tight { letter-spacing: var(--letter-spacing-tight); }
.tracking-normal { letter-spacing: var(--letter-spacing-normal); }
.tracking-wide { letter-spacing: var(--letter-spacing-wide); }
.tracking-wider { letter-spacing: var(--letter-spacing-wider); }
.tracking-widest { letter-spacing: var(--letter-spacing-widest); }

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==========================================
   PROFESSIONAL LOADING SCREEN - DRAMATICALLY IMPROVED
   ========================================== */

.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: 
        radial-gradient(circle at 25% 25%, rgba(120, 119, 198, 0.6) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 119, 198, 0.5) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(120, 219, 255, 0.4) 0%, transparent 50%),
        linear-gradient(135deg, #1a1a2e 0%, #16213e 25%, #0f3460 50%, #533483 75%, #764ba2 100%);
    background-size: 200% 200%, 150% 150%, 180% 180%, 100% 100%;
    background-position: 0% 0%, 100% 100%, 50% 50%, 0% 0%;
    animation: backgroundShift 8s ease-in-out infinite;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
                visibility 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.loading-screen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--glass-noise);
    opacity: 0.4;
    animation: noiseShift 3s linear infinite;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    transform: scale(1.1);
}

.loading-content {
    text-align: center;
    color: var(--text-inverse);
    position: relative;
    z-index: 10;
    max-width: 400px;
    animation: contentFadeIn 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    opacity: 0;
}

.loading-logo {
    position: relative;
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 120px;
}

/* Advanced Pulse Ring System */
.pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: advancedPulse 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.pulse-ring::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    animation: advancedPulse 3s cubic-bezier(0.4, 0, 0.6, 1) infinite 0.5s;
}

.pulse-ring::after {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    animation: advancedPulse 3s cubic-bezier(0.4, 0, 0.6, 1) infinite 1s;
}

/* Central Loading Icon */
.loading-icon {
    font-size: 3.5rem;
    background: linear-gradient(135deg, #fff 0%, #e0e7ff 50%, #c7d2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
    animation: iconFloat 4s ease-in-out infinite, iconGlow 2s ease-in-out infinite alternate;
    position: relative;
    z-index: 5;
}

/* Professional Loading Text */
.loading-text {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, #ffffff 0%, #f3f4f6 50%, #e5e7eb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.5px;
    animation: textSlideIn 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s forwards;
    opacity: 0;
    transform: translateY(20px);
}

/* Enhanced Progress Bar System */
.loading-progress {
    width: 300px;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin: 0 auto var(--spacing-md);
    position: relative;
    box-shadow: 
        inset 0 2px 4px rgba(0, 0, 0, 0.2),
        0 0 8px rgba(255, 255, 255, 0.1);
}

.progress-bar {
    height: 100%;
    background: linear-gradient(
        90deg, 
        rgba(102, 126, 234, 0.8) 0%, 
        rgba(167, 139, 250, 0.9) 25%,
        rgba(236, 72, 153, 0.8) 50%,
        rgba(59, 130, 246, 0.9) 75%,
        rgba(16, 185, 129, 1) 100%
    );
    background-size: 200% 100%;
    border-radius: 3px;
    width: 0%;
    animation: professionalProgressLoad 4s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards, progressShimmer 1.5s linear infinite;
    position: relative;
    box-shadow: 
        0 0 10px rgba(102, 126, 234, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    animation: progressGlow 2s ease-in-out infinite;
}

/* Loading Status Text */
.loading-status {
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    animation: statusFade 2s ease-in-out infinite;
    margin-top: var(--spacing-sm);
    letter-spacing: 0.3px;
}

/* Floating Particles Effect */
.loading-screen .floating-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.loading-screen .floating-particles::before,
.loading-screen .floating-particles::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: particleFloat 8s linear infinite;
}

.loading-screen .floating-particles::before {
    left: 20%;
    animation-delay: 0s;
    animation-duration: 6s;
}

.loading-screen .floating-particles::after {
    left: 80%;
    animation-delay: 3s;
    animation-duration: 8s;
}

/* Enhanced Modern Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--glass-bg-ultra);
    backdrop-filter: var(--glass-backdrop-strong);
    border-bottom: 1px solid var(--glass-border-medium);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    height: 70px;
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.navbar.scrolled {
    background: var(--glass-bg-ultra);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    border-bottom: 1px solid var(--glass-border-strong);
    backdrop-filter: var(--glass-backdrop-ultra);
    height: 65px;
}

.navbar.scrolled::before {
    opacity: 1;
}

[data-theme="dark"] .navbar {
    background: var(--dark-glass-bg-ultra);
    border-bottom: 1px solid var(--dark-glass-border-medium);
}

[data-theme="dark"] .navbar.scrolled {
    background: var(--dark-glass-bg-ultra);
    border-bottom: 1px solid var(--dark-glass-border-strong);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.brand-icon {
    font-size: 2rem;
    filter: drop-shadow(0 2px 4px rgba(102, 126, 234, 0.3));
}

.brand-text {
    font-weight: 850;
    font-size: 1.65rem;
    color: var(--text-primary);
    letter-spacing: -0.025em;
    line-height: 1;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

.brand-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 550;
    margin-left: var(--spacing-2);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    opacity: 0.85;
    font-family: var(--font-mono);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 10px 16px;
    border-radius: 12px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    font-size: 0.95rem;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.08), 
        rgba(168, 85, 247, 0.05)
    );
    opacity: 0;
    transform: translateY(100%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover {
    color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.15);
}

.nav-link:hover::before {
    opacity: 1;
    transform: translateY(0);
}

.nav-link:hover i {
    transform: scale(1.1);
    color: var(--primary-color);
}

.nav-link.active {
    color: var(--primary-color);
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.12), 
        rgba(168, 85, 247, 0.08)
    );
    box-shadow: 0 2px 12px rgba(102, 126, 234, 0.2);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 1px;
    box-shadow: 0 1px 4px rgba(102, 126, 234, 0.4);
}

.nav-link i {
    transition: all 0.25s ease;
    font-size: 1rem;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.theme-toggle {
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-secondary);
}

.theme-toggle:hover {
    background: var(--glass-bg);
    color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: passionateFloat 12s ease-in-out infinite;
    pointer-events: none;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(45deg, 
        rgba(102, 126, 234, 0.8) 0%, 
        rgba(79, 172, 254, 0.6) 50%, 
        rgba(167, 139, 250, 0.4) 100%);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(45deg, 
        rgba(167, 139, 250, 0.6) 0%, 
        rgba(102, 126, 234, 0.8) 50%, 
        rgba(79, 172, 254, 0.4) 100%);
    bottom: -150px;
    right: -150px;
    animation-delay: 6s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: linear-gradient(45deg, 
        rgba(79, 172, 254, 0.5) 0%, 
        rgba(167, 139, 250, 0.7) 50%, 
        rgba(102, 126, 234, 0.3) 100%);
    top: 40%;
    right: 5%;
    animation-delay: 3s;
}

.floating-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,0.3), transparent),
        radial-gradient(2px 2px at 40% 70%, rgba(255,255,255,0.2), transparent),
        radial-gradient(1px 1px at 60% 20%, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 80% 80%, rgba(255,255,255,0.3), transparent);
    background-size: 300px 300px, 400px 400px, 200px 200px, 350px 350px;
    animation: particles 20s linear infinite;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

.hero-content {
    order: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--glass-bg-light);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease-out;
    box-shadow: var(--glass-shadow-light);
}

.hero-title {
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* ==========================================
   ENHANCED HERO TYPOGRAPHY SYSTEM
   ========================================== */

.title-line {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: var(--spacing-3);
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
    font-family: var(--font-mono);
    opacity: 0.85;
}

.title-name {
    display: block;
    font-size: clamp(3.75rem, 8vw, 5.5rem);
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-4);
    line-height: 0.95;
    letter-spacing: -0.035em;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

.title-role {
    display: block;
    font-size: clamp(1.35rem, 3vw, 2rem);
    font-weight: 650;
    color: var(--text-primary);
    line-height: 1.25;
    margin-bottom: var(--spacing-xl);
    max-width: 95%;
    letter-spacing: -0.015em;
    font-optical-sizing: auto;
}

.hero-description {
    font-size: clamp(1.125rem, 2.2vw, 1.275rem);
    line-height: 1.75;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out 0.4s both;
    max-width: 100%;
    font-weight: 450;
    letter-spacing: 0.015em;
    text-rendering: optimizeLegibility;
    opacity: 0.95;
    font-optical-sizing: auto;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.hero-visual {
    order: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.profile-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop-strong);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--glass-shadow);
    animation: fadeInUp 0.8s ease-out 1s both;
    position: relative;
    transition: all var(--transition-normal);
}

.profile-card:hover {
    background: var(--glass-bg-light);
    border-color: var(--glass-border-strong);
    box-shadow: var(--glass-shadow-strong);
    transform: translateY(-5px);
}

.profile-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto var(--spacing-md);
    position: relative;
    border: 4px solid var(--glass-border);
    z-index: 10; /* Higher than floating tech icons */
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 20%;
}

.status-indicator {
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 20px;
    height: 20px;
    background: var(--success-color);
    border-radius: 50%;
    border: 3px solid white;
    animation: pulse 2s infinite;
}

.profile-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.profile-info p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.profile-location {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.floating-tech-stack {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-tech-stack .tech-icon {
    position: absolute;
    width: 65px;
    height: 65px;
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-backdrop-strong);
    border: 1px solid var(--glass-border-medium);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--primary-color);
    animation: floatTech 4s ease-in-out infinite;
    box-shadow: 
        0 8px 32px rgba(102, 126, 234, 0.15),
        0 4px 16px rgba(102, 126, 234, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    /* Performance optimizations */
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    contain: layout style paint;
}

.floating-tech-stack .tech-icon:hover {
    transform: translateY(-8px) scale(1.1);
    box-shadow: 
        0 16px 48px rgba(102, 126, 234, 0.25),
        0 8px 24px rgba(102, 126, 234, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    color: var(--primary-600);
}

/* ==========================================
   ENHANCED FLOATING TECH ICONS - WEBBEWERBUNG
   Positioned strategically around profile for maximum impact
   ========================================== */
.floating-tech-stack .tech-icon:nth-child(1) { 
    top: 8%; left: -12%; z-index: 1; animation-delay: 0s; 
    /* JavaScript - Top Left */
}
.floating-tech-stack .tech-icon:nth-child(2) { 
    top: 15%; right: -15%; z-index: 1; animation-delay: 0.5s; 
    /* Python - Top Right */
}
.floating-tech-stack .tech-icon:nth-child(3) { 
    bottom: 40%; left: -8%; z-index: 1; animation-delay: 1s; 
    /* HTML5 - Mid Left */
}
.floating-tech-stack .tech-icon:nth-child(4) { 
    bottom: 25%; right: -12%; z-index: 1; animation-delay: 1.5s; 
    /* CSS3 - Bottom Right */
}
.floating-tech-stack .tech-icon:nth-child(5) { 
    top: 65%; left: 85%; z-index: 1; animation-delay: 2s; 
    /* Node.js - Far Right */
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-muted);
    font-size: 0.875rem;
    animation: fadeIn 1s ease-out 2s both;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: bounce 2s infinite;
}

/* Enhanced Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: 14px;
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    z-index: 1;
    white-space: nowrap;
    line-height: 1.5;
    letter-spacing: 0.025em;
}

.btn::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);
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 50%, var(--accent-500) 100%);
    color: var(--text-inverse);
    box-shadow: 
        0 4px 15px rgba(102, 126, 234, 0.3),
        0 2px 8px rgba(102, 126, 234, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 
        0 8px 30px rgba(102, 126, 234, 0.4),
        0 4px 15px rgba(102, 126, 234, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    background-position: right center;
}

.btn-primary:active {
    transform: translateY(-1px) scale(0.98);
    transition: transform 0.1s ease;
}

.btn-outline {
    background: var(--glass-bg-medium);
    backdrop-filter: var(--glass-backdrop-strong);
    border: 1px solid var(--glass-border-medium);
    color: var(--text-primary);
    box-shadow: 
        0 4px 15px rgba(255, 255, 255, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.btn-outline:hover {
    background: var(--glass-bg-strong);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 
        0 6px 20px rgba(102, 126, 234, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-500) 0%, var(--secondary-600) 50%, var(--accent-600) 100%);
    color: var(--text-inverse);
    box-shadow: 
        0 4px 15px rgba(168, 85, 247, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 
        0 8px 30px rgba(168, 85, 247, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    border-radius: 16px;
    font-weight: 700;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.75rem;
    border-radius: 10px;
}

/* Button loading state */
.btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn.loading i {
    animation: rotateHue 1s linear infinite;
}

/* Button ripple effect */
.btn.ripple {
    position: relative;
    overflow: hidden;
}

.btn.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn.ripple:active::after {
    width: 300px;
    height: 300px;
}

/* Section Styles */
section {
    padding: var(--spacing-2xl) 0;
    position: relative;
}

/* ==========================================
   ENHANCED SECTION HEADERS
   ========================================== */

.section-header {
    text-align: center;
    margin-bottom: clamp(var(--spacing-2xl), 8vw, var(--spacing-32));
    padding: 0 var(--spacing-md);
    position: relative;
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: -var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
    opacity: 0.7;
}

.section-title {
    font-size: clamp(2.75rem, 6vw, 4.25rem);
    font-weight: 950;
    margin-bottom: var(--spacing-6);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    letter-spacing: -0.035em;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    position: relative;
}

.section-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    color: var(--text-secondary);
    max-width: 750px;
    margin: 0 auto;
    line-height: 1.65;
    font-weight: 450;
    letter-spacing: 0.015em;
    opacity: 0.9;
    font-optical-sizing: auto;
}

/* About Section */
.about {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: var(--glass-backdrop);
}

[data-theme="dark"] .about {
    background: rgba(26, 26, 46, 0.3);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

/* ==========================================
   ENHANCED SUBSECTION TYPOGRAPHY
   ========================================== */

.text-content h3,
h3, .h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 750;
    color: var(--primary-color);
    margin-bottom: var(--spacing-5);
    line-height: 1.2;
    letter-spacing: -0.02em;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

h4, .h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 650;
    color: var(--text-primary);
    margin-bottom: var(--spacing-4);
    line-height: 1.3;
    letter-spacing: -0.015em;
}

h5, .h5 {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-3);
    line-height: 1.35;
}

/* Enhanced body text typography */
p, .text-body {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-4);
    letter-spacing: 0.01em;
    font-optical-sizing: auto;
}

.text-large {
    font-size: 1.125rem;
    line-height: 1.65;
    font-weight: 450;
}

.text-small {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-muted);
}

.highlight-list {
    list-style: none;
    margin: var(--spacing-lg) 0;
}

.highlight-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.highlight-list i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.philosophy {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.philosophy blockquote {
    font-style: italic;
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.philosophy cite {
    font-weight: 600;
    color: var(--primary-color);
}

.detail-cards {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.detail-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: transform var(--transition-fast);
}

.detail-card:hover {
    transform: translateY(-5px);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: white;
    font-size: 1.5rem;
}

.detail-card h4 {
    margin-bottom: var(--spacing-3);
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 650;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.detail-card p {
    margin-bottom: var(--spacing-2);
    line-height: 1.6;
    color: var(--text-secondary);
    font-weight: 450;
}

.detail-card small {
    color: var(--text-muted);
    font-size: 0.825rem;
    font-weight: 500;
    letter-spacing: 0.025em;
    opacity: 0.8;
}

.personal-timeline h4 {
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.timeline {
    position: relative;
    padding-left: var(--spacing-lg);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-lg);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 8px;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
}

.timeline-date {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.timeline-content h5 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.timeline-content p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Experience Section */
.experience-timeline {
    margin-bottom: var(--spacing-2xl);
}

.timeline-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.experience-item {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    position: relative;
    transition: transform var(--transition-fast);
}

.experience-item:hover {
    transform: translateX(10px);
}

.experience-marker {
    position: absolute;
    left: -20px;
    top: var(--spacing-lg);
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-sm);
}

/* ==========================================
   ENHANCED EXPERIENCE TYPOGRAPHY
   ========================================== */

.experience-header h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
    font-size: clamp(1.35rem, 2.5vw, 1.65rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.25;
    text-rendering: optimizeLegibility;
}

.experience-period {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: 24px;
    font-size: 0.8rem;
    font-weight: 650;
    white-space: nowrap;
    letter-spacing: 0.025em;
    text-transform: uppercase;
    font-family: var(--font-mono);
}

.experience-company {
    color: var(--primary-color);
    font-weight: 650;
    margin-bottom: var(--spacing-4);
    font-size: 1.05rem;
    letter-spacing: 0.01em;
}

.experience-details {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.experience-details li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.experience-details li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.experience-skills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.skill-tag {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.achievement-highlights h3 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.achievement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.achievement-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: transform var(--transition-fast);
}

.achievement-card:hover {
    transform: translateY(-5px);
}

.achievement-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: white;
    font-size: 1.5rem;
}

.achievement-card h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.achievement-card p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Skills Section */
.skills {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: var(--glass-backdrop);
}

[data-theme="dark"] .skills {
    background: rgba(26, 26, 46, 0.2);
}

.skills-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.skill-category {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--spacing-lg);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.category-header i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.category-header h3 {
    color: var(--text-primary);
    margin: 0;
}

.skill-item {
    margin-bottom: var(--spacing-md);
}

.skill-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.skill-name {
    font-weight: 600;
    color: var(--text-primary);
}

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

.skill-bar {
    height: 8px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--primary-color);
    border-radius: 4px;
    width: 0%;
    transition: width 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    will-change: width;
}

.skill-progress.animate {
    width: var(--progress);
}

.technology-stack {
    text-align: center;
}

.technology-stack h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.tech-icons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.tech-icons .tech-icon {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--spacing-md);
    text-align: center;
    transition: transform var(--transition-fast);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    animation: techIconFadeIn 0.6s ease-out forwards;
}

.tech-icons .tech-icon:hover {
    transform: translateY(-5px) scale(1.05);
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.tech-icons .tech-icon i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    transition: transform var(--transition-fast), color var(--transition-fast);
}

.tech-icons .tech-icon span {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.tech-icons .tech-icon:hover i {
    transform: scale(1.1);
    color: var(--primary-light);
}

.tech-icons .tech-icon:hover span {
    color: var(--text-primary);
}

/* Add shimmer effect for tech icons */
.tech-icons .tech-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transform: translateX(-100%) translateY(-100%) rotate(45deg);
    transition: transform 0.6s ease;
    opacity: 0;
}

.tech-icons .tech-icon:hover::before {
    transform: translateX(100%) translateY(100%) rotate(45deg);
    opacity: 1;
}

/* Staggered entrance animation delays for tech icons */

.tech-icons .tech-icon:nth-child(1) { animation-delay: 0.1s; }
.tech-icons .tech-icon:nth-child(2) { animation-delay: 0.2s; }
.tech-icons .tech-icon:nth-child(3) { animation-delay: 0.3s; }
.tech-icons .tech-icon:nth-child(4) { animation-delay: 0.4s; }
.tech-icons .tech-icon:nth-child(5) { animation-delay: 0.5s; }
.tech-icons .tech-icon:nth-child(6) { animation-delay: 0.6s; }
.tech-icons .tech-icon:nth-child(7) { animation-delay: 0.7s; }
.tech-icons .tech-icon:nth-child(8) { animation-delay: 0.8s; }

@keyframes techIconFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Certificates Section */
.certificates-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.certificate-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--spacing-lg);
    transition: transform var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.certificate-card:hover {
    transform: translateY(-5px);
}

.certificate-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

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

.certificate-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.certificate-badge {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.certificate-body h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    line-height: 1.3;
}

.certificate-issuer {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.certificate-date {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.certificate-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
}

.certificate-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.certification-progress h3 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.progress-timeline {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    padding-left: var(--spacing-lg);
}

.progress-timeline::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
}

.progress-item {
    position: relative;
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-lg);
}

.progress-marker {
    position: absolute;
    left: -8px;
    top: 8px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

.progress-item.completed .progress-marker {
    background: var(--success-color);
    color: white;
}

.progress-item.in-progress .progress-marker {
    background: var(--warning-color);
    color: white;
}

.progress-item.planned .progress-marker {
    background: var(--text-muted);
    color: white;
}

.progress-content h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.progress-content p {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.progress-date {
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
}

/* Documents Section */
.documents {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: var(--glass-backdrop);
}

[data-theme="dark"] .documents {
    background: rgba(26, 26, 46, 0.3);
}

.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.document-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--spacing-lg);
    transition: transform var(--transition-fast);
    position: relative;
}

.document-card:hover {
    transform: translateY(-5px);
}

.document-card.primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 16px 16px 0 0;
}

.document-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.document-info h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.document-info p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

.document-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.file-type {
    background: var(--primary-color);
    color: white;
    padding: 2px var(--spacing-xs);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

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

.document-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.download-all-section {
    max-width: 600px;
    margin: 0 auto;
}

.download-all-card {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 16px;
    padding: var(--spacing-xl);
    text-align: center;
    color: white;
}

.download-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 2rem;
}

.download-info h3 {
    margin-bottom: var(--spacing-sm);
    color: white;
}

.download-info p {
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.9);
}

.included-files {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.file-tag {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Video Section */
.video-section {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: var(--glass-backdrop);
}

[data-theme="dark"] .video-section {
    background: rgba(26, 26, 46, 0.2);
}

.video-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.video-player-container {
    position: relative;
}

.video-player {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
}

.video-thumbnail {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.video-thumbnail:hover .play-overlay {
    opacity: 1;
}

.play-button {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.play-button:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.video-duration {
    position: absolute;
    bottom: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.video-controls {
    padding: var(--spacing-lg);
}

.video-controls h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.video-controls p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.video-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.video-highlights h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.highlights-grid {
    display: grid;
    gap: var(--spacing-md);
}

.highlight-item {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: var(--spacing-md);
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
}

.highlight-item i {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-top: 2px;
}

.highlight-item h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-size: 1rem;
}

.highlight-item p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0;
}

/* Contact Section */
.contact {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: var(--glass-backdrop);
}

[data-theme="dark"] .contact {
    background: rgba(26, 26, 46, 0.3);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--spacing-xl);
}

.contact-header h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.contact-header p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-methods {
    display: grid;
    gap: var(--spacing-md);
}

.contact-method {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: 12px;
    transition: background var(--transition-fast);
}

.contact-method:hover {
    background: rgba(102, 126, 234, 0.05);
}

.method-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.method-info h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.method-info p {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    font-weight: 600;
}

.method-action {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: color var(--transition-fast);
}

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

.method-action.available,
.method-action.status {
    background: var(--success-color);
    color: white;
    padding: 2px var(--spacing-xs);
    border-radius: 4px;
    font-size: 0.75rem;
}

/* Contact Summary - Replacing Form */
.contact-summary {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--spacing-xl);
}

.summary-card {
    width: 100%;
}

.summary-header {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.summary-header h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-size: 1.5rem;
}

.summary-header p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.summary-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    transition: all var(--transition-fast);
}

.summary-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

.summary-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    flex-shrink: 0;
}

.summary-content h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
}

.summary-content p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.4;
}

.summary-footer {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.summary-note {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    font-style: italic;
}

.summary-note i {
    color: var(--primary-color);
    margin-top: 2px;
    flex-shrink: 0;
}

/* Legacy Contact Form (hidden/unused) */
.contact-form {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--spacing-xl);
    display: none; /* Hidden since replaced with summary */
}

.form-header {
    margin-bottom: var(--spacing-lg);
}

.form-header h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.form-header p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.form-group {
    position: relative;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-left: 2.5rem;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    font-family: inherit;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.1);
}

.form-group i {
    position: absolute;
    left: var(--spacing-sm);
    top: 2.2rem;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.form-group input:focus + i,
.form-group select:focus + i,
.form-group textarea:focus + i {
    color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-footer {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.privacy-notice {
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
}

.privacy-notice input[type="checkbox"] {
    margin-top: 2px;
}

.privacy-notice label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: var(--glass-backdrop);
    border-top: 1px solid var(--glass-border);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    color: var(--text-inverse);
}

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

.footer-brand {
    max-width: 400px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.brand-logo .brand-icon {
    font-size: 2rem;
}

.brand-logo h3 {
    margin: 0;
    color: white;
}

.brand-logo p {
    margin: 0;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

.brand-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

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

.link-group h4 {
    margin-bottom: var(--spacing-md);
    color: white;
    font-size: 1rem;
}

.link-group ul {
    list-style: none;
}

.link-group li {
    margin-bottom: var(--spacing-xs);
}

.link-group a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.link-group a:hover {
    color: white;
}

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

.footer-copyright p {
    margin: 0;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.modal-content {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    max-width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal.active .modal-content {
    transform: scale(1);
}

.document-modal {
    width: 80vw;
    height: 80vh;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--glass-border);
}

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
}

.modal-close {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.modal-body {
    padding: 0;
    height: calc(80vh - 120px);
}

.document-viewer {
    width: 100%;
    height: 100%;
}

.document-viewer iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.modal-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-top: 1px solid var(--glass-border);
}

/* Toast */
.toast {
    position: fixed;
    top: 100px;
    right: var(--spacing-lg);
    background: var(--success-color);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 8px;
    box-shadow: var(--glass-shadow);
    z-index: 2000;
    transform: translateX(100%);
    opacity: 0;
    transition: all var(--transition-normal);
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Enhanced Animations & Micro-Interactions */
@keyframes particles {
    0% {
        background-position: 0% 0%, 100% 100%, 50% 50%, 0% 0%;
    }
    25% {
        background-position: 20% 10%, 80% 90%, 30% 70%, 10% 10%;
    }
    50% {
        background-position: 100% 50%, 0% 50%, 70% 30%, 50% 50%;
    }
    75% {
        background-position: 80% 90%, 20% 10%, 90% 10%, 90% 90%;
    }
    100% {
        background-position: 0% 0%, 100% 100%, 50% 50%, 0% 0%;
    }
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

@keyframes slideInScale {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(30px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

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

@keyframes floatTech {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-8px) rotate(2deg);
    }
    50% {
        transform: translateY(-15px) rotate(0deg);
    }
    75% {
        transform: translateY(-8px) rotate(-2deg);
    }
}

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

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(102, 126, 234, 0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-12px);
    }
    60% {
        transform: translateY(-6px);
    }
}

@keyframes gentleBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}


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

@keyframes morphingGlow {
    0%, 100% {
        border-radius: 50% 40% 60% 30%;
        filter: hue-rotate(0deg);
    }
    25% {
        border-radius: 30% 60% 40% 50%;
        filter: hue-rotate(90deg);
    }
    50% {
        border-radius: 60% 30% 50% 40%;
        filter: hue-rotate(180deg);
    }
    75% {
        border-radius: 40% 50% 30% 60%;
        filter: hue-rotate(270deg);
    }
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) translateX(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) translateX(20px) rotate(360deg);
        opacity: 0;
    }
}

/* ==========================================
   ENHANCED LOADING SCREEN ANIMATIONS
   ========================================== */

@keyframes backgroundShift {
    0%, 100% {
        background-position: 0% 0%, 100% 100%, 50% 50%, 0% 0%;
    }
    25% {
        background-position: 20% 10%, 80% 90%, 30% 70%, 10% 10%;
    }
    50% {
        background-position: 100% 50%, 0% 50%, 70% 30%, 50% 50%;
    }
    75% {
        background-position: 80% 90%, 20% 10%, 90% 10%, 90% 90%;
    }
}

@keyframes noiseShift {
    0%, 100% {
        transform: translateX(0) translateY(0);
    }
    25% {
        transform: translateX(2px) translateY(-1px);
    }
    50% {
        transform: translateX(-1px) translateY(2px);
    }
    75% {
        transform: translateX(1px) translateY(1px);
    }
}

@keyframes contentFadeIn {
    0% {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes advancedPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.8;
        box-shadow: 0 0 0 20px rgba(255, 255, 255, 0);
    }
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-8px) rotate(2deg);
    }
    50% {
        transform: translateY(-15px) rotate(0deg);
    }
    75% {
        transform: translateY(-8px) rotate(-2deg);
    }
}

@keyframes iconGlow {
    0% {
        filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
    }
    100% {
        filter: drop-shadow(0 0 25px rgba(255, 255, 255, 0.6));
    }
}

@keyframes textSlideIn {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes professionalProgressLoad {
    0% {
        width: 0%;
        background-position: 0% 50%;
    }
    15% {
        width: 20%;
        background-position: 25% 50%;
    }
    35% {
        width: 40%;
        background-position: 50% 50%;
    }
    60% {
        width: 70%;
        background-position: 75% 50%;
    }
    85% {
        width: 95%;
        background-position: 100% 50%;
    }
    100% {
        width: 100%;
        background-position: 200% 50%;
    }
}

@keyframes progressShimmer {
    0% {
        background-position: -200% 50%;
    }
    100% {
        background-position: 200% 50%;
    }
}

@keyframes progressGlow {
    0%, 100% {
        transform: translateX(-100%);
        opacity: 0;
    }
    50% {
        transform: translateX(0%);
        opacity: 1;
    }
}

@keyframes statusFade {
    0%, 100% {
        opacity: 0.8;
    }
    50% {
        opacity: 1;
    }
}

/* Legacy Progress Animation for Compatibility */
@keyframes progressLoad {
    0% {
        width: 0%;
        background: linear-gradient(90deg, var(--primary-400), var(--primary-500));
    }
    25% {
        width: 30%;
        background: linear-gradient(90deg, var(--primary-500), var(--accent-400));
    }
    50% {
        width: 60%;
        background: linear-gradient(90deg, var(--accent-400), var(--secondary-500));
    }
    75% {
        width: 85%;
        background: linear-gradient(90deg, var(--secondary-500), var(--primary-600));
    }
    100% {
        width: 100%;
        background: linear-gradient(90deg, var(--primary-600), var(--success-color));
    }
}

@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blink {
    0%, 50% {
        border-color: transparent;
    }
    51%, 100% {
        border-color: var(--primary-color);
    }
}

@keyframes rotateHue {
    0% {
        filter: hue-rotate(0deg);
    }
    100% {
        filter: hue-rotate(360deg);
    }
}

/* Glass morphing animations */
@keyframes glassShimmer {
    0% {
        background-position: -100% 0;
    }
    100% {
        background-position: 100% 0;
    }
}

/* New passionate animations */
@keyframes passionateFloat {
    0%, 100% {
        transform: translateY(0px) translateX(0px) rotate(0deg);
        opacity: 0.4;
    }
    25% {
        transform: translateY(-20px) translateX(10px) rotate(2deg);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-10px) translateX(-15px) rotate(0deg);
        opacity: 0.5;
    }
    75% {
        transform: translateY(-30px) translateX(5px) rotate(-2deg);
        opacity: 0.7;
    }
}


/* Enhanced Animation Utility Classes */
.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

.fade-in-down {
    animation: fadeInDown 0.8s ease-out forwards;
}

.fade-in-left {
    animation: fadeInLeft 0.8s ease-out forwards;
}

.fade-in-right {
    animation: fadeInRight 0.8s ease-out forwards;
}

.slide-in-scale {
    animation: slideInScale 0.8s var(--ease-elastic) forwards;
}

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

.gentle-bounce {
    animation: gentleBounce 2s ease-in-out infinite;
}

.shimmer-effect {
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.2) 50%, transparent 100%);
    background-size: 200% 100%;
    animation: shimmer 2s ease-in-out infinite;
}

.morphing-glow {
    animation: morphingGlow 8s ease-in-out infinite;
}

.rotate-hue {
    animation: rotateHue 10s linear infinite;
}

/* Stagger animation delays */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }

/* Hover effects */
.hover-lift {
    transition: transform var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-8px) scale(1.02);
}

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

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

.hover-rotate {
    transition: transform var(--transition-normal);
}

.hover-rotate:hover {
    transform: rotate(5deg);
}

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

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(102, 126, 234, 0.4);
}

/* Interactive focus effects */
.focus-ring:focus {
    outline: none;
    box-shadow: 
        0 0 0 3px rgba(102, 126, 234, 0.5),
        0 0 0 6px rgba(102, 126, 234, 0.2);
}

/* Smooth scrolling enhancements */
.smooth-scroll {
    scroll-behavior: smooth;
}

/* Performance optimizations */
.will-animate {
    will-change: transform, opacity;
}

.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Simplified animations by default for better readability */
.floating-particles,
.gradient-orb,
.morphing-glow,
.shimmer-effect {
    opacity: 0.2;
    animation-duration: 15s;
}

/* Reduce particles significantly */
.floating-particles .particle {
    opacity: 0.1;
}

/* Simplified tech icons */
.floating-tech-stack .tech-icon {
    animation-duration: 8s;
    opacity: 0.7;
}

/* Accessibility considerations */
@media (prefers-reduced-motion: reduce) {
    .fade-in,
    .fade-in-up,
    .fade-in-down,
    .fade-in-left,
    .fade-in-right,
    .slide-in-scale,
    .pulse-glow,
    .gentle-bounce,
    .shimmer-effect,
    .morphing-glow,
    .rotate-hue,
    .floating-particles,
    .gradient-orb {
        animation: none !important;
        opacity: 0.1 !important;
    }
    
    .hover-lift:hover,
    .hover-scale:hover,
    .hover-rotate:hover {
        transform: none !important;
    }
    
    * {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

/* Responsive Design - Enhanced */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 var(--spacing-6);
    }
    
    .hero-container {
        gap: var(--spacing-12);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .hero-container,
    .about-content,
    .contact-content,
    .video-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero-visual {
        order: 1;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .hero-content {
        order: 2;
        text-align: center;
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .skills-categories {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .tech-icons {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-4);
    }
    
    .certificates-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Better tablet spacing */
    section {
        padding: var(--spacing-16) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-12);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-4);
    }
    
    .nav-container {
        padding: var(--spacing-3) var(--spacing-4);
    }
    
    .hero {
        padding-top: 60px;
        min-height: auto;
        padding-bottom: var(--spacing-12);
    }
    
    .hero-visual {
        max-width: 300px;
    }
    
    .profile-image {
        width: 150px;
        height: 150px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-6);
        text-align: center;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
        max-width: 280px;
    }
    
    .certificates-grid,
    .documents-grid,
    .achievement-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .experience-item {
        margin-left: var(--spacing-6);
        padding: var(--spacing-4);
    }
    
    .experience-marker {
        left: -24px;
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-4);
        text-align: center;
    }
    
    .document-modal {
        width: 95vw;
        height: 90vh;
        margin: var(--spacing-2);
    }
    
    .modal-body {
        height: calc(90vh - 120px);
    }
    
    .tech-icons {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-3);
    }
    
    /* ==========================================
       ENHANCED MOBILE TYPOGRAPHY
       ========================================== */
    
    .title-name {
        font-size: clamp(2.75rem, 12vw, 4.5rem);
        line-height: 0.9;
        margin-bottom: var(--spacing-3);
    }
    
    .title-role {
        font-size: clamp(1.125rem, 4vw, 1.5rem);
        line-height: 1.3;
        margin-bottom: var(--spacing-6);
    }
    
    .hero-description {
        font-size: clamp(1rem, 3vw, 1.125rem);
        line-height: 1.65;
        margin-bottom: var(--spacing-8);
    }
    
    .section-title {
        font-size: clamp(2rem, 8vw, 3rem);
        line-height: 1.05;
        margin-bottom: var(--spacing-4);
        letter-spacing: -0.025em;
    }
    
    .section-subtitle {
        font-size: clamp(0.95rem, 2.5vw, 1.125rem);
        padding: 0 var(--spacing-3);
        line-height: 1.55;
        margin-bottom: var(--spacing-2);
    }
    
    h3, .h3 {
        font-size: clamp(1.25rem, 4vw, 1.75rem);
        margin-bottom: var(--spacing-4);
    }
    
    h4, .h4 {
        font-size: clamp(1.125rem, 3vw, 1.375rem);
        margin-bottom: var(--spacing-3);
    }
    
    .brand-text {
        font-size: clamp(1.25rem, 4vw, 1.5rem);
    }
    
    .brand-subtitle {
        font-size: 0.75rem;
        letter-spacing: 0.3px;
    }
    
    /* Mobile specific spacing */
    section {
        padding: var(--spacing-12) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-10);
    }
    
    /* Better mobile forms */
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: var(--spacing-4);
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    /* Contact Summary Mobile Styles */
    .contact-summary {
        padding: var(--spacing-lg);
        margin: 0 var(--spacing-2);
    }
    
    .summary-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .summary-item {
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-3);
    }
    
    .nav-container {
        padding: var(--spacing-2) var(--spacing-3);
    }
    
    .brand-text {
        font-size: 1rem;
    }
    
    .brand-subtitle {
        display: none;
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: var(--spacing-2) var(--spacing-4);
    }
    
    .title-name {
        font-size: clamp(2rem, 8vw, 2.5rem);
    }
    
    .hero-description {
        font-size: 1rem;
        text-align: center;
    }
    
    .profile-image {
        width: 120px;
        height: 120px;
    }
    
    .floating-tech-stack {
        display: block;
    }
    
    .floating-tech-stack .tech-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
        border-radius: 14px;
    }
    
    /* Adjusted positions for mobile */
    .floating-tech-stack .tech-icon:nth-child(1) { 
        top: 5%; left: -8%; 
    }
    .floating-tech-stack .tech-icon:nth-child(2) { 
        top: 10%; right: -10%; 
    }
    .floating-tech-stack .tech-icon:nth-child(3) { 
        bottom: 45%; left: -5%; 
    }
    .floating-tech-stack .tech-icon:nth-child(4) { 
        bottom: 30%; right: -8%; 
    }
    .floating-tech-stack .tech-icon:nth-child(5) { 
        display: none; /* Hide 5th icon on mobile for cleaner look */
    }
    
    .certificates-filter {
        gap: var(--spacing-2);
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--spacing-2);
    }
    
    .filter-btn {
        padding: var(--spacing-2) var(--spacing-4);
        font-size: 0.75rem;
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .skill-category {
        padding: var(--spacing-4);
    }
    
    .tech-icons {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2);
    }
    
    .tech-icon {
        padding: var(--spacing-3);
    }
    
    /* Improved small screen typography */
    .section-title {
        font-size: clamp(1.5rem, 7vw, 2rem);
    }
    
    .hero-stats {
        gap: var(--spacing-4);
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    /* Better touch targets */
    .btn {
        min-height: 44px;
        padding: var(--spacing-3) var(--spacing-4);
    }
    
    .nav-link {
        min-height: 44px;
        padding: var(--spacing-2) var(--spacing-3);
    }
    
    /* Contact Summary Small Mobile Styles */
    .contact-summary {
        padding: var(--spacing-md);
        margin: 0 var(--spacing-1);
        border-radius: 12px;
    }
    
    .summary-header h3 {
        font-size: 1.25rem;
    }
    
    .summary-header p {
        font-size: 0.8rem;
    }
    
    .summary-item {
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        flex-direction: column;
        text-align: center;
    }
    
    .summary-icon {
        width: 36px;
        height: 36px;
        font-size: 1rem;
        align-self: center;
    }
}

/* Ultra small screens */
@media (max-width: 360px) {
    .container {
        padding: 0 var(--spacing-2);
    }
    
    .profile-image {
        width: 100px;
        height: 100px;
    }
    
    .hero-stats {
        gap: var(--spacing-3);
    }
    
    .tech-icons {
        grid-template-columns: 1fr 1fr;
    }
    
    /* Contact Summary Ultra Small Mobile Styles */
    .contact-summary {
        padding: var(--spacing-sm);
        margin: 0;
        border-radius: 8px;
    }
    
    .summary-header h3 {
        font-size: 1.1rem;
    }
    
    .summary-header p {
        font-size: 0.75rem;
    }
    
    .summary-item {
        padding: var(--spacing-sm);
        gap: var(--spacing-xs);
    }
    
    .summary-icon {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }
}

/* Touch and Interaction Improvements */
@media (hover: none) and (pointer: coarse) {
    /* Touch device specific styles */
    .btn:hover,
    .nav-link:hover,
    .tech-icon:hover,
    .card:hover {
        transform: none;
    }
    
    .btn:active {
        transform: scale(0.95);
    }
    
    /* Larger touch targets */
    .theme-toggle,
    .mobile-menu-toggle {
        min-width: 44px;
        min-height: 44px;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .profile-image img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Landscape phones */
@media (max-height: 600px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: var(--spacing-8) 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-8);
    }
    
    .hero-visual {
        order: 2;
    }
    
    .hero-content {
        order: 1;
        text-align: left;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .loading-screen,
    .scroll-indicator,
    .floating-tech-stack,
    .modal,
    .toast {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .hero {
        padding-top: 0;
        min-height: auto;
    }
    
    section {
        page-break-inside: avoid;
        padding: var(--spacing-lg) 0;
    }
    
    .btn {
        border: 1px solid black;
        color: black !important;
        background: transparent !important;
    }
}

/* Reduced Data Mode */
@media (prefers-reduced-data: reduce) {
    .floating-particles,
    .gradient-orb {
        display: none;
    }
    
    .hero-background {
        background: none;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --glass-bg: rgba(255, 255, 255, 0.9);
        --glass-border: rgba(0, 0, 0, 0.3);
        --text-primary: #000000;
        --text-secondary: #333333;
        --text-muted: #666666;
    }
    
    [data-theme="dark"] {
        --glass-bg: rgba(0, 0, 0, 0.9);
        --glass-border: rgba(255, 255, 255, 0.3);
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
        --text-muted: #999999;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .floating-particles,
    .gradient-orb,
    .floating-tech-stack {
        animation: none !important;
    }
}

/* Enhanced Focus Styles */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    transition: outline var(--transition-fast);
}

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

*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2);
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2);
}

/* Skip link for keyboard users */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 6px;
}

/* Selection Styles */
::selection {
    background: var(--primary-color);
    color: white;
}

::-moz-selection {
    background: var(--primary-color);
    color: white;
}

/* Enhanced Float Animation for Tech Icons */
@keyframes floatTech {
    0%, 100% {
        transform: translateY(0px) translateX(0px) rotate(0deg);
        filter: hue-rotate(0deg);
    }
    25% {
        transform: translateY(-8px) translateX(3px) rotate(2deg);
        filter: hue-rotate(10deg);
    }
    50% {
        transform: translateY(-5px) translateX(-2px) rotate(-1deg);
        filter: hue-rotate(20deg);
    }
    75% {
        transform: translateY(-12px) translateX(4px) rotate(3deg);
        filter: hue-rotate(10deg);
    }
}

@keyframes gentleFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-6px);
    }
}

@keyframes passionateFloat {
    0%, 100% {
        transform: translateY(0px) scale(1);
        opacity: 0.4;
    }
    50% {
        transform: translateY(-20px) scale(1.1);
        opacity: 0.6;
    }
}

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

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Utility Classes */
.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;
}

/* Responsive Utilities */
.hide-mobile {
    display: block;
}

.show-mobile {
    display: none;
}

@media (max-width: 768px) {
    .hide-mobile {
        display: none;
    }
    
    .show-mobile {
        display: block;
    }
}

.hide-tablet {
    display: block;
}

.show-tablet {
    display: none;
}

@media (max-width: 1024px) {
    .hide-tablet {
        display: none;
    }
    
    .show-tablet {
        display: block;
    }
}

/* Container Queries Support */
@supports (container-type: inline-size) {
    .container {
        container-type: inline-size;
    }
    
    @container (max-width: 400px) {
        .tech-icons {
            grid-template-columns: 1fr;
        }
    }
}

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

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.hidden {
    display: none;
}

.visible {
    display: block;
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

.fade-in-up {
    animation: fadeInUp 0.5s ease-out;
}

/* ==========================================
   ADVANCED MICRO-INTERACTIONS & ANIMATIONS
   ========================================== */

/* Enhanced Easing Functions for Micro-interactions */
:root {
    --ease-back: cubic-bezier(0.68, -0.6, 0.32, 1.6);
    --ease-spring: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-smooth: cubic-bezier(0.25, 0.1, 0.25, 1);
    
    /* Micro-interaction Durations */
    --duration-instant: 50ms;
    --duration-fast: 150ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;
    --duration-slower: 800ms;
}

/* Button Enhancements with Micro-interactions */
.btn {
    transition: all var(--duration-normal) var(--ease-spring) !important;
    transform: translateY(0);
    will-change: transform, box-shadow;
}

.btn::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(--duration-slower) var(--ease-out);
    z-index: 1;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-1px) !important;
}

.btn:active {
    transform: translateY(0) scale(0.98) !important;
    transition: transform var(--duration-instant) var(--ease-out) !important;
}

/* Navigation Link Enhancements */
.nav-link:hover {
    transform: scale(1.05) !important;
}

.nav-link:active {
    transform: scale(0.95) !important;
    transition: transform var(--duration-instant) var(--ease-out) !important;
}

/* Card Enhancements */
.detail-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
    border-radius: 16px;
    z-index: -1;
}

.detail-card:hover::after {
    opacity: 0.05;
}

.detail-card:hover {
    transform: translateY(-8px) scale(1.02) !important;
    box-shadow: var(--glass-shadow-strong);
    border-color: var(--glass-border-strong);
}

/* Icon Animations */
.card-icon {
    transition: all var(--duration-normal) var(--ease-elastic) !important;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
}

.detail-card:hover .card-icon {
    transform: scale(1.15) rotate(10deg) !important;
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.4);
}

/* Skill Progress Animation Enhancement */
.skill-progress::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: skillShimmer 2s infinite linear;
}

@keyframes skillShimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Tech Icon Enhancements */
.floating-tech-stack .tech-icon::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    opacity: 0;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all var(--duration-normal) var(--ease-out);
    z-index: 0;
}

.floating-tech-stack .tech-icon:hover::after {
    width: 120px;
    height: 120px;
    opacity: 0.1;
}

.floating-tech-stack .tech-icon:hover {
    transform: translateY(-8px) scale(1.05) !important;
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.floating-tech-stack .tech-icon:hover i {
    transform: scale(1.2);
    filter: drop-shadow(0 0 8px rgba(102, 126, 234, 0.5));
}

/* Certificate/Document/Achievement Card Enhancements */
.certificate-card:hover,
.document-card:hover,
.achievement-card:hover {
    transform: translateY(-10px) scale(1.02) !important;
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.15);
    border-color: var(--glass-border-strong);
}

/* Experience Item Enhancements */
.experience-item::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 16px 0 0 16px;
    transition: width var(--duration-normal) var(--ease-back);
    opacity: 0.1;
}

.experience-item:hover::after {
    width: 4px;
}

.experience-item:hover {
    transform: translateX(12px) scale(1.01) !important;
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.1);
}

.experience-item:hover .experience-marker {
    transform: scale(1.2) rotate(15deg) !important;
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.4);
}

/* Form Input Enhancements */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    transform: scale(1.01) !important;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1) !important;
}

/* Contact Method Enhancements */
.contact-method::after {
    content: "";
    position: absolute;
    left: -100%;
    top: 0;
    bottom: 0;
    width: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(102, 126, 234, 0.1), 
        transparent);
    transition: left var(--duration-slower) var(--ease-out);
}

.contact-method:hover::after {
    left: 100%;
}

.contact-method:hover {
    transform: translateX(8px) !important;
    border-left: 3px solid var(--primary-color);
    padding-left: calc(var(--spacing-md) - 3px);
}

.contact-method:hover .method-icon {
    transform: scale(1.1) rotate(5deg) !important;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

/* Additional Subtle Animations */
.hero-badge {
    animation: gentlePulse 4s ease-in-out infinite;
}

@keyframes gentlePulse {
    0%, 100% { 
        box-shadow: var(--glass-shadow-light);
    }
    50% { 
        box-shadow: 0 6px 24px 0 rgba(102, 126, 234, 0.25);
    }
}

.profile-card:hover {
    transform: translateY(-5px) !important;
}

/* Staggered Animation for Lists */
.highlight-list li:nth-child(1) { animation-delay: 0.1s; }
.highlight-list li:nth-child(2) { animation-delay: 0.2s; }
.highlight-list li:nth-child(3) { animation-delay: 0.3s; }
.highlight-list li:nth-child(4) { animation-delay: 0.4s; }
.highlight-list li:nth-child(5) { animation-delay: 0.5s; }

.certificates-grid > *:nth-child(1) { animation-delay: 0.1s; }
.certificates-grid > *:nth-child(2) { animation-delay: 0.2s; }
.certificates-grid > *:nth-child(3) { animation-delay: 0.3s; }
.certificates-grid > *:nth-child(4) { animation-delay: 0.4s; }
.certificates-grid > *:nth-child(5) { animation-delay: 0.5s; }
.certificates-grid > *:nth-child(6) { animation-delay: 0.6s; }

/* Loading State Indicators */
.loading-shimmer {
    background: linear-gradient(90deg, 
        rgba(255,255,255,0.0) 0%, 
        rgba(255,255,255,0.1) 50%, 
        rgba(255,255,255,0.0) 100%);
    background-size: 200% 100%;
    animation: shimmer 2s infinite linear;
}

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

/* Micro-interaction for Success States */
.success-bounce {
    animation: successBounce 0.6s var(--ease-bounce);
}

@keyframes successBounce {
    0% { transform: scale(1); }
    20% { transform: scale(1.1); }
    40% { transform: scale(0.95); }
    60% { transform: scale(1.05); }
    80% { transform: scale(0.98); }
    100% { transform: scale(1); }
}

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

@keyframes pulseGlow {
    from {
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.4);
    }
    to {
        box-shadow: 0 0 40px rgba(102, 126, 234, 0.6);
    }
}

/* Interactive Typing Effect */
.typing-effect {
    overflow: hidden;
    border-right: 2px solid var(--primary-color);
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: var(--primary-color); }
}

/* ==========================================
   VENDOR PREFIXES FOR CRITICAL FEATURES
   ========================================== */

/* Backdrop filter support for older browsers */
.loading-screen,
.tech-icon,
.navbar,
.modal-content,
[class*="glass"] {
    -webkit-backdrop-filter: var(--glass-backdrop);
}

/* Transform optimization for critical animations */
.floating-tech-stack .tech-icon,
.tech-icons .tech-icon,
.skill-progress,
.btn:hover,
.certificate-card:hover {
    -webkit-transform: translateZ(0);
    -moz-transform: translateZ(0);
    -ms-transform: translateZ(0);
    transform: translateZ(0);
}