/* ========================================================================
 * Modern Portfolio CSS
 * Updated for 2024 with modern design principles and Dark Mode Support
 * ======================================================================== */

/* ========================================================================
 * CSS Variables (Design Tokens) - Light Mode (Default)
 * ======================================================================== */
:root {
  /* Colors - Light Mode */
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #a5b4fc;
  --secondary-color: #14b8a6;
  --accent-color: #f59e0b;
  
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --text-inverse: #ffffff;
  
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-dark: #111827;
  --bg-card: #ffffff;
  
  --border-color: #e5e7eb;
  --border-light: #f3f4f6;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  --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;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Liquid Theme Colors */
  --liquid-primary: #007AFF;
  --liquid-purple: #5856D6;
  --liquid-pink: #FF2D92;
  --liquid-orange: #FF9500;
  --liquid-blue: #0A84FF;
  --liquid-green: #32D74B;
  
  /* Glass morphism */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

/* ========================================================================
 * Dark Mode Variables
 * ======================================================================== */
[data-theme="dark"] {
  /* Colors - Dark Mode */
  --primary-color: #8b5cf6;
  --primary-dark: #7c3aed;
  --primary-light: #c4b5fd;
  --secondary-color: #06d6a0;
  --accent-color: #fbbf24;
  
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --text-light: #9ca3af;
  --text-inverse: #111827;
  
  --bg-primary: #111827;
  --bg-secondary: #1f2937;
  --bg-dark: #030712;
  --bg-card: #1f2937;
  
  --border-color: #374151;
  --border-light: #4b5563;
  
  /* Glass morphism - Dark Mode */
  --glass-bg: rgba(31, 41, 55, 0.1);
  --glass-border: rgba(156, 163, 175, 0.2);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* ========================================================================
 * Simple & Reliable Dark Mode Toggle
 * ======================================================================== */
.theme-toggle {
  position: fixed !important;
  top: 20px !important;
  right: 20px !important;
  z-index: 9999 !important;
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  cursor: pointer !important;
  user-select: none !important;
  background: rgba(255, 255, 255, 0.9) !important;
  border: 2px solid #e5e7eb !important;
  border-radius: 25px !important;
  padding: 8px 12px !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
  transition: all 0.3s ease !important;
  backdrop-filter: blur(10px) !important;
}

[data-theme="dark"] .theme-toggle {
  background: rgba(31, 41, 55, 0.9) !important;
  border-color: #4b5563 !important;
}

.theme-toggle:hover {
  transform: scale(1.05) !important;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2) !important;
}

.toggle-track {
  position: relative !important;
  width: 50px !important;
  height: 24px !important;
  background: #fbbf24 !important;
  border-radius: 12px !important;
  transition: all 0.3s ease !important;
  overflow: hidden !important;
}

[data-theme="dark"] .toggle-track {
  background: #8b5cf6 !important;
}

.toggle-thumb {
  position: absolute !important;
  top: 2px !important;
  left: 2px !important;
  width: 20px !important;
  height: 20px !important;
  background: white !important;
  border-radius: 50% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  transition: all 0.3s ease !important;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2) !important;
  transform: translateX(0) !important;
}

[data-theme="dark"] .toggle-thumb {
  transform: translateX(26px) !important;
  background: #1f2937 !important;
}

.sun-icon {
  color: #f59e0b !important;
  font-size: 12px !important;
  opacity: 1 !important;
  transition: all 0.3s ease !important;
}

.moon-icon {
  color: #8b5cf6 !important;
  font-size: 12px !important;
  opacity: 0 !important;
  position: absolute !important;
  transition: all 0.3s ease !important;
}

[data-theme="dark"] .sun-icon {
  opacity: 0 !important;
}

[data-theme="dark"] .moon-icon {
  opacity: 1 !important;
}

.toggle-label {
  display: flex !important;
  flex-direction: column !important;
  font-size: 10px !important;
  font-weight: 600 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.5px !important;
  color: #6b7280 !important;
}

[data-theme="dark"] .toggle-label {
  color: #d1d5db !important;
}

.light-label {
  opacity: 1 !important;
  transition: opacity 0.3s ease !important;
}

.dark-label {
  opacity: 0.5 !important;
  transition: opacity 0.3s ease !important;
}

[data-theme="dark"] .light-label {
  opacity: 0.5 !important;
}

[data-theme="dark"] .dark-label {
  opacity: 1 !important;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .theme-toggle {
    top: 15px !important;
    right: 15px !important;
    padding: 6px 10px !important;
  }
  
  .toggle-track {
    width: 40px !important;
    height: 20px !important;
  }
  
  .toggle-thumb {
    width: 16px !important;
    height: 16px !important;
  }
  
  [data-theme="dark"] .toggle-thumb {
    transform: translateX(20px) !important;
  }
  
  .toggle-label {
    font-size: 9px !important;
  }
}

/* ========================================================================
 * Body and Global Dark Mode Styles
 * ======================================================================== */
body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ========================================================================
 * Comprehensive Dark Mode Component Styles
 * ======================================================================== */

/* Sections and Cards */
[data-theme="dark"] .about-section,
[data-theme="dark"] .timeline-section,
[data-theme="dark"] .skills-section,
[data-theme="dark"] .projects-section,
[data-theme="dark"] .contact-section,
[data-theme="dark"] .resume-section {
  background-color: var(--bg-primary) !important;
  color: var(--text-primary);
}

/* Professional Journey Section - Fix dark grey background issue */
[data-theme="dark"] .timeline-section {
  background-color: var(--bg-primary) !important;
  background: var(--bg-primary) !important;
}

/* Resume Section (Professional Journey) - Main Fix */
[data-theme="dark"] .resume-section {
  background-color: var(--bg-primary) !important;
  background: var(--bg-primary) !important;
}

[data-theme="dark"] #fh5co-resume {
  background-color: var(--bg-primary) !important;
  background: var(--bg-primary) !important;
}

[data-theme="dark"] .timeline-container {
  background-color: transparent !important;
  background: transparent !important;
}

/* Hackathons Section - Better background blending */
[data-theme="dark"] .hackathons-section {
  background-color: var(--bg-secondary) !important;
  background: var(--bg-secondary) !important;
}

[data-theme="dark"] .hackathon-card {
  background-color: var(--bg-card) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2) !important;
}

/* Featured Projects Section - Improve text visibility */
[data-theme="dark"] .projects-section {
  background-color: var(--bg-primary) !important;
}

[data-theme="dark"] .projects-section .section-title {
  color: var(--text-primary) !important;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="dark"] .projects-section .section-header {
  background-color: transparent !important;
}

[data-theme="dark"] .hero-card,
[data-theme="dark"] .timeline-content,
[data-theme="dark"] .project-card,
[data-theme="dark"] .skill-category,
[data-theme="dark"] .contact-card {
  background-color: var(--bg-card);
  border-color: var(--border-color);
  color: var(--text-primary);
}

/* Section Titles and Headers - Enhanced visibility */
[data-theme="dark"] .section-title,
[data-theme="dark"] .hero-title,
[data-theme="dark"] .project-title {
  color: var(--text-primary) !important;
  font-weight: 700 !important;
}

[data-theme="dark"] .hero-subtitle,
[data-theme="dark"] .timeline-section-header h3 {
  color: var(--text-secondary);
}

/* Buttons and Interactive Elements - Enhanced Dark Mode */
[data-theme="dark"] .btn-primary,
[data-theme="dark"] .liquid-button {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
  border: 2px solid var(--primary-color) !important;
  color: white !important;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3) !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1) !important;
}

[data-theme="dark"] .btn-primary:hover,
[data-theme="dark"] .liquid-button:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color)) !important;
  border-color: var(--primary-light) !important;
  box-shadow: 0 6px 25px rgba(139, 92, 246, 0.5) !important;
  transform: translateY(-2px) !important;
}

[data-theme="dark"] .btn-secondary {
  background: rgba(255, 255, 255, 0.05) !important;
  border: 2px solid var(--border-color) !important;
  color: var(--text-primary) !important;
  backdrop-filter: blur(10px) !important;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1) !important;
}

[data-theme="dark"] .btn-secondary:hover {
  background: rgba(139, 92, 246, 0.1) !important;
  border-color: var(--primary-color) !important;
  color: var(--primary-light) !important;
  box-shadow: 0 6px 25px rgba(139, 92, 246, 0.2) !important;
  transform: translateY(-2px) !important;
}

/* Links and Social Icons */
[data-theme="dark"] .social-link,
[data-theme="dark"] .project-link {
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .social-link:hover,
[data-theme="dark"] .project-link:hover {
  color: var(--primary-color);
  background-color: var(--bg-card);
  border-color: var(--primary-color);
}

/* Timeline Specific Styles - Enhanced */
[data-theme="dark"] .timeline-content::before {
  border-color: transparent !important;
}

/* Timeline arrows - Fix for dark mode */
[data-theme="dark"] .timeline-item:nth-child(odd) .timeline-content::before {
  border-right-color: var(--bg-card) !important;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3)) !important;
}

[data-theme="dark"] .timeline-item:nth-child(even) .timeline-content::before {
  border-left-color: var(--bg-card) !important;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3)) !important;
}

[data-theme="dark"] .timeline-year {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

/* Timeline content improvements with proper layering */
[data-theme="dark"] .timeline-content {
  background-color: var(--bg-card) !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3) !important;
  position: relative !important;
  z-index: 2 !important;
}

/* Timeline line in dark mode - Enhanced visibility with proper layering */
[data-theme="dark"] .timeline-container::before {
  content: '' !important;
  display: block !important;
  background: linear-gradient(180deg, #8b5cf6, #06d6a0) !important;
  opacity: 1 !important;
  width: 6px !important;
  height: 100% !important;
  position: absolute !important;
  left: 50% !important;
  transform: translateX(-50%) !important;
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.5) !important;
  border-radius: 3px !important;
  z-index: -1 !important;
}

/* Additional timeline line targeting for resume section */
[data-theme="dark"] .resume-section .timeline-container::before,
[data-theme="dark"] #fh5co-resume .timeline-container::before {
  content: '' !important;
  display: block !important;
  background: linear-gradient(180deg, #8b5cf6, #06d6a0) !important;
  opacity: 1 !important;
  width: 6px !important;
  height: 100% !important;
  position: absolute !important;
  left: 50% !important;
  transform: translateX(-50%) !important;
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.5), 0 0 40px rgba(139, 92, 246, 0.3) !important;
  border-radius: 3px !important;
  z-index: 0 !important;
}

/* Timeline badges in dark mode - Enhanced visibility with proper layering */
[data-theme="dark"] .timeline-badge {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
  border: 3px solid var(--bg-primary) !important;
  color: white !important;
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.4) !important;
  position: relative !important;
  z-index: 3 !important;
}

[data-theme="dark"] .timeline-badge i {
  color: white !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="dark"] .timeline-content h3,
[data-theme="dark"] .timeline-content h4 {
  color: var(--text-primary) !important;
}

[data-theme="dark"] .timeline-content p {
  color: var(--text-secondary) !important;
}

/* Hackathon cards improvements */
[data-theme="dark"] .hackathon-card h3 {
  color: var(--text-primary) !important;
}

[data-theme="dark"] .hackathon-card p {
  color: var(--text-secondary) !important;
}

[data-theme="dark"] .hackathon-card .achievement {
  color: var(--primary-color) !important;
}

/* Hackathon Icons - Make them vibrant in dark mode */
[data-theme="dark"] .hackathon-icon {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)) !important;
  color: white !important;
  box-shadow: 0 8px 20px rgba(139, 92, 246, 0.3) !important;
  border: 2px solid rgba(255, 255, 255, 0.1) !important;
}

/* Specific icon colors for each hackathon */
[data-theme="dark"] .hackathon-card:nth-child(1) .hackathon-icon {
  background: linear-gradient(135deg, #fbbf24, #f59e0b) !important;
  box-shadow: 0 8px 20px rgba(251, 191, 36, 0.4) !important;
}

[data-theme="dark"] .hackathon-card:nth-child(2) .hackathon-icon {
  background: linear-gradient(135deg, #8b5cf6, #7c3aed) !important;
  box-shadow: 0 8px 20px rgba(139, 92, 246, 0.4) !important;
}

[data-theme="dark"] .hackathon-card:nth-child(3) .hackathon-icon {
  background: linear-gradient(135deg, #10b981, #059669) !important;
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.4) !important;
}

[data-theme="dark"] .hackathon-card:nth-child(4) .hackathon-icon {
  background: linear-gradient(135deg, #3b82f6, #2563eb) !important;
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4) !important;
}

[data-theme="dark"] .hackathon-card:nth-child(5) .hackathon-icon {
  background: linear-gradient(135deg, #ef4444, #dc2626) !important;
  box-shadow: 0 8px 20px rgba(239, 68, 68, 0.4) !important;
}

/* Hackathon icon hover effects in dark mode */
[data-theme="dark"] .hackathon-icon:hover {
  transform: scale(1.1) translateY(-5px) !important;
  transition: all 0.3s ease !important;
}

[data-theme="dark"] .hackathon-card:hover .hackathon-icon {
  transform: scale(1.05) !important;
  box-shadow: 0 12px 30px rgba(139, 92, 246, 0.5) !important;
}

/* Section dividers in dark mode */
[data-theme="dark"] .section-divider {
  background: linear-gradient(90deg, transparent, var(--border-color), transparent) !important;
  opacity: 0.6 !important;
}

/* Skill Progress Bars */
[data-theme="dark"] .skill-progress {
  background-color: var(--bg-secondary);
}

[data-theme="dark"] .skill-progress .progress-bar {
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

/* Project Cards Enhanced */
[data-theme="dark"] .project-image {
  border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .project-tech {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
}

/* Form Elements */
[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

/* Navigation and Go-to-top */
[data-theme="dark"] .gototop {
  background-color: var(--bg-card);
  border-color: var(--border-color);
  color: var(--text-primary);
}

[data-theme="dark"] .gototop:hover {
  background-color: var(--primary-color);
  color: var(--text-inverse);
}

/* Dividers and Borders */
[data-theme="dark"] .section-divider {
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

[data-theme="dark"] hr {
  border-color: var(--border-color);
}

/* Shadow Adjustments for Dark Mode */
[data-theme="dark"] .hero-card,
[data-theme="dark"] .project-card,
[data-theme="dark"] .timeline-content {
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
}

/* Ensure text contrast in dark mode */
[data-theme="dark"] .text-muted {
  color: var(--text-light) !important;
}

[data-theme="dark"] .text-dark {
  color: var(--text-primary) !important;
}

/* Dark mode support (for future implementation) */
/* @media (prefers-color-scheme: dark) { */
  /* Future dark mode variables can be added here */
/* } */

/* Reduced motion support for accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========================================================================
 * Reset and Base Styles
 * ======================================================================== */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

/* Performance optimizations */
* {
  -webkit-tap-highlight-color: transparent;
}

img {
  max-width: 100%;
  height: auto;
}

/* Improved focus styles for accessibility */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

a:focus,
button:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================================================
 * Typography
 * ======================================================================== */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--spacing-md) 0;
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--text-secondary);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: all var(--transition-fast);
}

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

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

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

/* ========================================================================
 * Hero Section
 * ======================================================================== */
.hero-container {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  opacity: 0.95;
}

.hero-background::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(1deg); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--text-inverse);
}

.hero-card {
  background: var(--glass-bg);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--glass-shadow);
  max-width: 1600px;
  margin: 0 auto;
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, 
    rgba(0, 122, 255, 0.1) 0%, 
    rgba(88, 86, 214, 0.1) 25%,
    rgba(255, 45, 146, 0.1) 50%,
    rgba(255, 149, 0, 0.1) 75%,
    rgba(50, 215, 75, 0.1) 100%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

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

.hero-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 20px 60px 0 rgba(31, 38, 135, 0.5);
}

.profile-image-container {
  position: relative;
  display: inline-block;
  margin-bottom: var(--spacing-lg);
}

.profile-image {
  width: 200px;
  height: 200px;
  border-radius: var(--radius-full);
  background-size: cover !important;
  background-position: center !important;
  background-repeat: no-repeat;
  border: 4px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.profile-image:hover {
  transform: scale(1.05);
  border-color: rgba(255, 255, 255, 0.5);
}

.profile-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.status-indicator {
  position: absolute;
  bottom: 20px;
  right: 20px;
  width: 20px;
  height: 20px;
  background: #10b981;
  border: 3px solid white;
  border-radius: var(--radius-full);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.hero-title {
  margin-bottom: var(--spacing-md);
}

.hero-title .greeting {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: 400;
  opacity: 0.9;
  margin-bottom: var(--spacing-xs);
}

.hero-title .name {
  display: block;
  font-size: var(--font-size-5xl);
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  white-space: nowrap;
  overflow: visible;
}

.hero-subtitle {
  font-size: var(--font-size-2xl);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  opacity: 0.95;
}

.hero-company {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

.hero-tagline {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-lg);
  font-weight: 500;
  font-size: var(--font-size-base);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: rgba(255, 255, 255, 0.2);
  color: var(--text-inverse);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  color: var(--text-inverse);
}

.btn-secondary {
  background: transparent;
  color: var(--text-inverse);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-inverse);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
}

.social-link {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  color: var(--text-inverse);
  font-size: var(--font-size-xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-link:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
  color: var(--text-inverse);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
}

.scroll-arrow {
  color: var(--text-inverse);
  font-size: var(--font-size-xl);
  animation: bounce 2s ease-in-out infinite;
}

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

/* ========================================================================
 * Section Styles
 * ======================================================================== */
.about-section {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-secondary);
}

.section-header {
  margin-bottom: var(--spacing-2xl);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.section-divider {
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: var(--radius-full);
  margin: 0 auto;
}

/* ========================================================================
 * About Section
 * ======================================================================== */
.about-info-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
  height: fit-content;
}

.info-grid {
  display: grid;
  gap: var(--spacing-lg);
}

.info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.info-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse);
  font-size: var(--font-size-xl);
  flex-shrink: 0;
}

.info-content {
  display: flex;
  flex-direction: column;
}

.info-label {
  font-size: var(--font-size-sm);
  color: var(--text-light);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.info-value {
  font-size: var(--font-size-base);
  color: var(--text-primary);
  font-weight: 600;
}

.about-content {
  padding-left: var(--spacing-lg);
}

.about-greeting {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.about-description {
  font-size: var(--font-size-lg);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
  color: var(--text-secondary);
}

.inspiration-quote {
  background: var(--bg-card);
  border-left: 4px solid var(--primary-color);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  border-radius: var(--radius-md);
  position: relative;
}

.inspiration-quote p {
  font-style: italic;
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.inspiration-quote cite {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  font-weight: 500;
}

.about-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
  flex-wrap: wrap;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--text-inverse);
  border-radius: var(--radius-lg);
  font-weight: 500;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
}

.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--text-inverse);
}

.social-links-about {
  display: flex;
  gap: var(--spacing-sm);
}

.social-links-about .social-link {
  width: 45px;
  height: 45px;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  font-size: var(--font-size-lg);
}

.social-links-about .social-link:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
  border-color: var(--primary-color);
}

/* ========================================================================
 * Responsive Design
 * ======================================================================== */
@media (max-width: 768px) {
  :root {
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
    --spacing-3xl: 3rem;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-title .name {
    font-size: var(--font-size-4xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-xl);
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-primary, .btn-secondary {
    width: 100%;
    max-width: 250px;
    text-align: center;
  }
  
  .profile-image {
    width: 150px;
    height: 150px;
  }
  
  .hero-card {
    margin: var(--spacing-md);
    padding: var(--spacing-lg);
  }
  
  .about-content {
    padding-left: 0;
    margin-top: var(--spacing-lg);
  }
  
  .about-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .social-links-about {
    justify-content: center;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .about-greeting {
    font-size: var(--font-size-2xl);
  }
  
  .hero-tagline {
    font-size: var(--font-size-base);
  }
  
  .info-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .hero-title .name {
    font-size: var(--font-size-3xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .profile-image {
    width: 120px;
    height: 120px;
  }
  
  .hero-card {
    padding: var(--spacing-md);
  }
  
  .section-title {
    font-size: var(--font-size-2xl);
  }
  
  .about-greeting {
    font-size: var(--font-size-xl);
  }
  
  .skill-category, .project-card, .about-info-card {
    margin: 0 var(--spacing-xs);
  }
}

/* ========================================================================
 * Animation Classes
 * ======================================================================== */
.animate-box {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-box.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Fade In Animations */
.fade-in {
  opacity: 0;
  transition: opacity 0.8s ease-out;
}

.fade-in.animate-in {
  opacity: 1;
}

/* Slide In From Left */
.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in-left.animate-in {
  opacity: 1;
  transform: translateX(0);
}

/* Slide In From Right */
.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in-right.animate-in {
  opacity: 1;
  transform: translateX(0);
}

/* Scale In Animation */
.scale-in {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.scale-in.animate-in {
  opacity: 1;
  transform: scale(1);
}

/* Stagger Animation for Grid Items */
.animate-stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-stagger.animate-in > * {
  opacity: 1;
  transform: translateY(0);
}

.animate-stagger.animate-in > *:nth-child(1) { transition-delay: 0.1s; }
.animate-stagger.animate-in > *:nth-child(2) { transition-delay: 0.2s; }
.animate-stagger.animate-in > *:nth-child(3) { transition-delay: 0.3s; }
.animate-stagger.animate-in > *:nth-child(4) { transition-delay: 0.4s; }
.animate-stagger.animate-in > *:nth-child(5) { transition-delay: 0.5s; }
.animate-stagger.animate-in > *:nth-child(6) { transition-delay: 0.6s; }

/* Parallax Effect */
.parallax-element {
  transition: transform 0.1s ease-out;
}

/* Legacy animation for compatibility */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================================================
 * Liquid Theme Effects
 * ======================================================================== */

/* Liquid Background Animation */
.liquid-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: -1;
}

.liquid-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(20px);
  animation: liquid-float 20s infinite ease-in-out;
  opacity: 0.7;
}

.liquid-blob:nth-child(1) {
  width: 300px;
  height: 300px;
  background: linear-gradient(45deg, var(--liquid-blue), var(--liquid-purple));
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}

.liquid-blob:nth-child(2) {
  width: 200px;
  height: 200px;
  background: linear-gradient(45deg, var(--liquid-pink), var(--liquid-orange));
  top: 60%;
  right: 10%;
  animation-delay: -5s;
}

.liquid-blob:nth-child(3) {
  width: 250px;
  height: 250px;
  background: linear-gradient(45deg, var(--liquid-green), var(--liquid-blue));
  bottom: 20%;
  left: 50%;
  animation-delay: -10s;
}

@keyframes liquid-float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(100px, -50px) scale(1.1);
  }
  50% {
    transform: translate(-50px, 100px) scale(0.9);
  }
  75% {
    transform: translate(-100px, -25px) scale(1.05);
  }
}

/* Glass Morphism Cards */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-normal);
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-5px);
  box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.5);
}

/* Liquid Gradient Backgrounds */
.liquid-gradient-1 {
  background: linear-gradient(135deg, var(--liquid-blue), var(--liquid-purple));
}

.liquid-gradient-2 {
  background: linear-gradient(135deg, var(--liquid-pink), var(--liquid-orange));
}

.liquid-gradient-3 {
  background: linear-gradient(135deg, var(--liquid-green), var(--liquid-blue));
}

.liquid-gradient-4 {
  background: linear-gradient(135deg, var(--liquid-purple), var(--liquid-pink));
}

/* Liquid Button Effects */
.liquid-button {
  position: relative;
  background: linear-gradient(135deg, var(--liquid-blue), var(--liquid-purple));
  border: none;
  border-radius: 25px;
  padding: 12px 24px;
  color: white;
  font-weight: 500;
  cursor: pointer;
  overflow: hidden;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 15px 0 rgba(0, 122, 255, 0.3);
}

.liquid-button::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 0.5s;
}

.liquid-button:hover::before {
  left: 100%;
}

.liquid-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(0, 122, 255, 0.4);
}

/* Liquid Icons */
.liquid-icon {
  display: inline-block;
  padding: 15px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  transition: all var(--transition-normal);
}

.liquid-icon:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1) rotate(5deg);
}

/* Liquid Progress Bars */
.liquid-progress {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.liquid-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--liquid-blue), var(--liquid-purple));
  border-radius: 4px;
  position: relative;
  overflow: hidden;
  transition: width 1s ease;
}

.liquid-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: liquid-shimmer 2s infinite;
}

@keyframes liquid-shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Liquid Text Effects */
.liquid-text {
  background: linear-gradient(135deg, var(--liquid-blue), var(--liquid-purple));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% 200%;
  animation: liquid-text-gradient 3s ease infinite;
}

@keyframes liquid-text-gradient {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Floating Particles */
.liquid-particles {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}

.liquid-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  animation: liquid-particle-float 15s infinite linear;
}

@keyframes liquid-particle-float {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

/* ========================================================================
 * Loading States
 * ======================================================================== */
.fh5co-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, 
    rgba(0, 122, 255, 0.9) 0%, 
    rgba(88, 86, 214, 0.9) 50%,
    rgba(255, 45, 146, 0.9) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.fh5co-loader::after {
  content: '';
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 255, 255, 0.2);
  border-top: 4px solid var(--liquid-blue);
  border-radius: var(--radius-full);
  animation: liquid-spin 1s linear infinite;
  box-shadow: 0 0 20px rgba(0, 122, 255, 0.3);
}

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

/* ========================================================================
 * Resume Section
 * ======================================================================== */
.resume-section {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-secondary);
}

.timeline-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.timeline-container::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
  border-radius: var(--radius-full);
}

.timeline-section {
  margin-bottom: var(--spacing-3xl);
}

.timeline-section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  position: relative;
  z-index: 2;
}

.timeline-section-title {
  display: inline-block;
  background: var(--bg-primary);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
  border: 3px solid var(--primary-color);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xl);
  display: flex;
  align-items: flex-start;
}

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

.timeline-item:nth-child(even) .timeline-content {
  text-align: right;
}

.timeline-content {
  flex: 1;
  background: var(--bg-card);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin: 0 var(--spacing-lg);
  position: relative;
  border: 1px solid var(--border-light);
  transition: all var(--transition-normal);
}

.timeline-content:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.timeline-content::before {
  content: '';
  position: absolute;
  top: 20px;
  width: 0;
  height: 0;
  border: 10px solid transparent;
}

.timeline-item:nth-child(odd) .timeline-content::before {
  left: -20px;
  border-right-color: var(--bg-card);
}

.timeline-item:nth-child(even) .timeline-content::before {
  right: -20px;
  border-left-color: var(--bg-card);
}

.timeline-badge {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse);
  font-size: var(--font-size-xl);
  box-shadow: var(--shadow-lg);
  z-index: 2;
  flex-shrink: 0;
}

.timeline-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-xs) 0;
}

.timeline-company {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.timeline-period {
  font-size: var(--font-size-sm);
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

.timeline-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

.timeline-description p {
  margin-bottom: var(--spacing-sm);
}

.timeline-description p:last-child {
  margin-bottom: 0;
}

/* Hackathons Section */
.hackathons-section {
  padding: var(--spacing-3xl) 0;
  background: var(--primary-color);
  color: var(--text-inverse);
}

.hackathons-section .section-title {
  color: var(--text-inverse);
}

.hackathons-section .section-divider {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.3));
}

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

.hackathon-card {
  background: var(--glass-bg);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.hackathon-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.1) 0%, 
    rgba(0, 122, 255, 0.1) 50%,
    rgba(88, 86, 214, 0.1) 100%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

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

.hackathon-card:hover {
  transform: translateY(-10px) scale(1.03);
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 20px 50px 0 rgba(31, 38, 135, 0.4);
}

.hackathon-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  color: var(--text-inverse);
}

.hackathon-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-inverse);
}

.hackathon-status {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--accent-color);
  color: var(--text-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.hackathon-status.winner {
  background: #10b981;
  color: var(--text-inverse);
}

.hackathon-status.in-progress {
  background: var(--primary-color);
  color: var(--text-inverse);
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { 
    box-shadow: 0 0 5px rgba(99, 102, 241, 0.5);
  }
  50% { 
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.8);
  }
}

.hackathon-date {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-base);
}

/* Large Screens - Desktop (Maintaining consistent design) */
/* Commented out to maintain the same good-looking UI across all screen sizes above 992px */
/* The base hero-card styles work well for all larger screens */

/*
@media (min-width: 1024px) {
  .hero-card {
    max-width: 1700px;
    padding: var(--spacing-3xl) var(--spacing-2xl);
  }
}

@media (min-width: 1200px) {
  .hero-card {
    max-width: 1900px;
    padding: var(--spacing-3xl) var(--spacing-2xl);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
  }
  
  .hero-card:hover {
    background: rgba(255, 255, 255, 0.12);
  }
  
  .profile-image {
    width: 240px;
    height: 240px;
    border: 5px solid rgba(255, 255, 255, 0.2);
  }
  
  .hero-title .greeting {
    font-size: var(--font-size-2xl);
  }
  
  .hero-title .name {
    font-size: clamp(3rem, 8vw, 4.5rem);
    line-height: 1.1;
  }
  
  .hero-subtitle {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-lg);
  }
  
  .hero-company {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
  }
  
  .hero-tagline {
    font-size: var(--font-size-xl);
    max-width: 600px;
    line-height: 1.5;
  }
  
  .hero-cta {
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
  }
  
  .btn-primary, .btn-secondary {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: var(--font-size-lg);
    min-width: 180px;
  }
  
  .social-links {
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
  }
  
  .social-link {
    width: 64px;
    height: 64px;
    font-size: var(--font-size-2xl);
  }
}

@media (min-width: 1400px) {
  .hero-card {
    max-width: 2100px;
    padding: 4rem 6rem;
  }
  
  .profile-image {
    width: 280px;
    height: 280px;
  }
  
  .hero-tagline {
    max-width: 700px;
    font-size: var(--font-size-2xl);
  }
  
  .hero-title .name {
    font-size: clamp(3.5rem, 10vw, 5rem);
  }
}

@media (min-width: 1600px) {
  .hero-card {
    max-width: 2300px;
    padding: 5rem 8rem;
  }
  
  .hero-title .name {
    font-size: clamp(4rem, 12vw, 6rem);
  }
}

@media (min-width: 1800px) {
  .hero-card {
    max-width: 2500px;
    padding: 6rem 10rem;
  }
}

@media (min-width: 2200px) {
  .hero-card {
    max-width: 90%;
    padding: 7rem 12rem;
  }
}
*/

/* Mobile Timeline Adjustments */
@media (max-width: 768px) {
  .timeline-container::before {
    left: 30px;
  }
  
  .timeline-item {
    flex-direction: row !important;
  }
  
  .timeline-item .timeline-content {
    text-align: left !important;
    margin-left: var(--spacing-xl);
    margin-right: 0;
  }
  
  .timeline-content::before {
    left: -20px !important;
    right: auto !important;
    border-right-color: var(--bg-card) !important;
    border-left-color: transparent !important;
  }
  
  .timeline-badge {
    width: 50px;
    height: 50px;
    font-size: var(--font-size-lg);
  }
  
  .hackathons-grid {
    grid-template-columns: 1fr;
  }
}

/* ========================================================================
 * Skills Section
 * ======================================================================== */
.skills-section {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-primary);
}

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

.skill-category {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--glass-shadow);
  border: 1px solid var(--glass-border);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.skill-category::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, 
    rgba(0, 122, 255, 0.05) 0%, 
    rgba(88, 86, 214, 0.05) 50%,
    rgba(255, 45, 146, 0.05) 100%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.skill-category:hover::before {
  opacity: 1;
}

.skill-category:hover {
  transform: translateY(-8px) scale(1.02);
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 15px 45px 0 rgba(31, 38, 135, 0.4);
}

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

.category-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--liquid-blue), var(--liquid-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse);
  font-size: var(--font-size-xl);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.category-icon::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s;
}

.skill-category:hover .category-icon::before {
  left: 100%;
}

.skill-category:hover .category-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 25px rgba(0, 122, 255, 0.4);
}

.category-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

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

.skill-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.skill-item:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
}

.skill-name {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 500;
}

.skill-icon {
  width: 24px;
  height: 24px;
  font-size: var(--font-size-sm);
}

.skill-level {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.skill-dots {
  display: flex;
  gap: var(--spacing-xs);
}

.skill-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.2);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.skill-dot.active {
  background: linear-gradient(135deg, var(--liquid-blue), var(--liquid-purple));
  box-shadow: 0 0 10px rgba(0, 122, 255, 0.5);
}

.skill-dot.active::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
  animation: liquid-shimmer 2s infinite;
}

.skill-item:hover .skill-dot.active {
  background: linear-gradient(135deg, var(--liquid-pink), var(--liquid-orange));
  transform: scale(1.2);
}

.skill-item:hover .skill-dot {
  background: rgba(255, 255, 255, 0.3);
}

/* ========================================================================
 * Projects Section
 * ======================================================================== */
.projects-section {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-dark);
}

.projects-section .section-title {
  color: var(--text-inverse);
}

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

.project-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  position: relative;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.project-image {
  width: 100%;
  height: 200px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  overflow: hidden;
}

.project-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, transparent, rgba(99, 102, 241, 0.1));
  opacity: 0;
  transition: all var(--transition-normal);
}

.project-card:hover .project-image::after {
  opacity: 1;
}

.project-content {
  padding: var(--spacing-lg);
}

.project-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.project-tech {
  color: var(--primary-color);
  font-weight: 500;
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

.project-role {
  color: var(--text-light);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

.project-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.project-links {
  display: flex;
  gap: var(--spacing-sm);
}

.project-link {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--primary-color);
  color: var(--text-inverse);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.project-link:hover {
  background: var(--primary-dark);
  color: var(--text-inverse);
  transform: translateY(-1px);
}

/* ========================================================================
 * Contact Section
 * ======================================================================== */
.contact-section {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: var(--text-inverse);
  text-align: center;
}

.contact-section .section-title {
  color: var(--text-inverse);
}

.contact-section .section-divider {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.3));
}

.contact-info {
  margin: var(--spacing-xl) 0;
}

.contact-item {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
}

.contact-item strong {
  font-weight: 600;
}

.btn-resume {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  background: rgba(255, 255, 255, 0.2);
  color: var(--text-inverse);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-lg);
  font-weight: 500;
  font-size: var(--font-size-lg);
  transition: all var(--transition-normal);
  margin-top: var(--spacing-lg);
}

.btn-resume:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  color: var(--text-inverse);
}

/* ========================================================================
 * Footer
 * ======================================================================== */
.footer {
  padding: var(--spacing-lg) 0;
  background: var(--bg-dark);
  color: var(--text-light);
  text-align: center;
}

/* ========================================================================
 * Go to Top Button
 * ======================================================================== */
.gototop {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse);
  font-size: var(--font-size-lg);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  cursor: pointer;
}

.gototop a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--text-inverse);
  text-decoration: none;
  font-size: var(--font-size-lg);
}

.gototop a i {
  font-size: var(--font-size-lg);
  line-height: 1;
  color: inherit;
}

.gototop a:hover {
  color: var(--text-inverse);
  text-decoration: none;
}

.gototop.show,
.gototop.active {
  opacity: 1;
  pointer-events: all;
}

.gototop:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  color: var(--text-inverse);
}

/* ========================================================================
 * Utilities
 * ======================================================================== */
.text-center { text-align: center; }
.align-items-center { align-items: center; }
.justify-content-center { justify-content: center; }

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.col-lg-12, .col-lg-8, .col-lg-7, .col-lg-5, .col-md-12 {
  padding: 0 15px;
}

.col-lg-12 { flex: 0 0 100%; max-width: 100%; }
.col-lg-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-lg-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
.col-lg-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }

/* Add extra spacing between col-lg-5 and col-lg-7 */
.col-lg-5.col-md-12 {
  padding-right: var(--spacing-xl); /* Extra right padding for lg-5 */
}

.col-lg-7.col-md-12 {
  padding-left: var(--spacing-xl); /* Extra left padding for lg-7 */
}

@media (max-width: 4000px) {
  .col-lg-8, .col-lg-7, .col-lg-5 {
    flex: 0 0 100%;
    max-width: 100%;
  }
  
  /* Remove extra spacing on smaller screens where columns stack */
  .col-lg-5.col-md-12,
  .col-lg-7.col-md-12 {
    padding-left: 15px;
    padding-right: 15px;
  }
}

.col-md-12 {
  flex: 0 0 100%;
  max-width: 100%;
}

@media (max-width: 768px) {
  .col-md-12 {
    flex: 0 0 100%;
    max-width: 100%;
  }
}