/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Manrope:wght@400;500;600;700;800&display=swap');

/* Light Theme Variables */
:root[data-theme="light"] {
  --bg-primary: #fafbfc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f8fafc;
  --glass-bg: rgba(255, 255, 255, 0.4);
  --glass-bg-strong: rgba(255, 255, 255, 0.6);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-border-strong: rgba(255, 255, 255, 0.7);
  --text-primary: #1a202c;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --accent-primary: #0ea5e9;
  --accent-secondary: #8b5cf6;
  --accent-green: #10b981;
  --accent-purple: #a855f7;
  --accent-orange: #f97316;
  --accent-pink: #ec4899;
  --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #8b5cf6 100%);
  --gradient-secondary: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
  --gradient-warm: linear-gradient(135deg, #f97316 0%, #ec4899 100%);
  --gradient-cool: linear-gradient(135deg, #06b6d4 0%, #8b5cf6 100%);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.08);
  --shadow-glass-strong: 0 12px 40px rgba(0, 0, 0, 0.12);
  --shadow-colored: 0 8px 32px rgba(14, 165, 233, 0.2);
}

/* Dark Theme Variables */
:root[data-theme="dark"] {
  --bg-primary: #0a0a0f;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-bg-strong: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-border-strong: rgba(255, 255, 255, 0.2);
  --text-primary: rgba(255, 255, 255, 0.95);
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);
  --accent-primary: #00d9ff;
  --accent-secondary: #7c3aed;
  --accent-green: #00ff88;
  --accent-purple: #a855f7;
  --accent-orange: #ff6b35;
  --accent-pink: #ff6b9d;
  --gradient-primary: linear-gradient(135deg, #00d9ff 0%, #7c3aed 100%);
  --gradient-secondary: linear-gradient(135deg, #00ff88 0%, #a855f7 100%);
  --gradient-warm: linear-gradient(135deg, #ff6b35 0%, #ff6b9d 100%);
  --gradient-cool: linear-gradient(135deg, #06b6d4 0%, #8b5cf6 100%);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glass-strong: 0 12px 40px rgba(0, 0, 0, 0.4);
  --shadow-colored: 0 8px 32px rgba(0, 217, 255, 0.15);
}

/* Shared Variables */
:root {
  --blur-amount: 20px;
  --blur-strong: 30px;
  --border-radius: 24px;
  --border-radius-large: 32px;
  --border-radius-medium: 20px;
  --border-radius-small: 16px;
  --border-radius-tiny: 12px;
  --transition: all 0.1s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.10s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-spring: all 0.1s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  font-feature-settings: 'kern' 1, 'liga' 1;
  transition: var(--transition);
  position: relative;
}

/* Enhanced background glow system */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 25% 25%, var(--accent-primary)04 0%, transparent 60%),
    radial-gradient(circle at 75% 75%, var(--accent-secondary)04 0%, transparent 60%),
    radial-gradient(circle at 50% 10%, var(--accent-green)03 0%, transparent 70%),
    radial-gradient(circle at 10% 90%, var(--accent-purple)03 0%, transparent 70%);
  z-index: -2;
  opacity: 0.3;
  animation: ambientGlow 40s ease-in-out infinite;
  filter: blur(60px);
}

/* Ambient glow animation */
@keyframes ambientGlow {
  0%, 100% {
    opacity: 0.3;
    transform: scale(1);
  }
  33% {
    opacity: 0.4;
    transform: scale(1.1);
  }
  66% {
    opacity: 0.2;
    transform: scale(0.9);
  }
}

/* GitHub-Style Beautiful Background Effects */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(135deg, var(--accent-primary)03 0%, transparent 50%),
    radial-gradient(ellipse at top left, var(--accent-secondary)04 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, var(--accent-green)03 0%, transparent 50%);
  z-index: -1;
  transition: var(--transition);
  box-shadow: inset 0 0 300px rgba(0, 217, 255, 0.04),
              inset 0 0 600px rgba(124, 58, 237, 0.02);
}

/* Light theme background adjustment */
[data-theme="light"] body::after {
  background: 
    linear-gradient(135deg, var(--accent-primary)02 0%, transparent 50%),
    radial-gradient(ellipse at top left, var(--accent-secondary)02 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, var(--accent-green)02 0%, transparent 50%);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.5rem;
}

p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

/* Section Styles */
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Glass Effects */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-glass);
}

.glass::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  border-radius: var(--border-radius);
  z-index: -1;
}

.glass:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  box-shadow: var(--shadow-glass-strong);
  transform: translateY(-2px);
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-glass);
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  border-radius: var(--border-radius);
  z-index: -1;
}

.glass-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  border-radius: var(--border-radius);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
  pointer-events: none;
}

.glass-card:hover::after {
  opacity: 1;
}

.glass-card:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  box-shadow: var(--shadow-glass-strong);
  transform: translateY(-4px);
}

.glass-card:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  box-shadow: var(--shadow-glass-strong), var(--shadow-colored);
  transform: translateY(-4px);
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--border-radius-small);
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-spring);
  position: relative;
  overflow: hidden;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  border: none;
  box-shadow: var(--shadow-colored);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-colored), 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  transform: translateY(-2px);
}

.btn-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
}

.btn-glass:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  transform: translateY(-2px);
}

/* Container and Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Main Content Layout */
.main-content {
  min-height: 100vh;
  position: relative;
  z-index: 1;
  padding-top: 120px; /* Space for fixed navbar */
  padding-bottom: 80px; /* Space for footer */
}

.section {
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, var(--accent-primary)01 0%, transparent 70%);
  z-index: -1;
  opacity: 0;
  transition: opacity 1s ease;
  filter: blur(100px);
}

.section:hover::before {
  opacity: 1;
}

/* Grid System */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Competencies Grid */
.competencies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

/* Books Grid */
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.books-view-more {
  text-align: center;
  margin-top: 3rem;
}

.view-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: var(--transition);
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-glass);
  max-width: fit-content;
}

.view-more-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glass-strong);
}

.view-more-btn i {
  transition: var(--transition);
}

.view-more-btn:hover i {
  transform: translateX(4px);
}

/* Content Grid (Combined Research & Blog) */
.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

/* Research Grid */
.research-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.hidden { display: none; }
.flex { display: flex; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-col { flex-direction: column; }
.gap-1 { gap: 1rem; }
.gap-2 { gap: 2rem; }

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

@keyframes float-slow {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  33% {
    transform: translateY(-5px) rotate(1deg);
  }
  66% {
    transform: translateY(-10px) rotate(-1deg);
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(0, 217, 255, 0.6);
  }
}

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

@keyframes sectionGlow {
  0%, 100% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.6;
  }
}

@keyframes hoverGlow {
  0% {
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.2);
  }
  100% {
    box-shadow: 0 0 40px rgba(0, 217, 255, 0.4);
  }
}

@keyframes breathe {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
}

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

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

/* Enhanced Animation Classes */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Animation Classes */
.animate-slide-in-up {
  animation: slideInUp 0.6s ease-out;
}

.animate-slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

.animate-slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

.animate-fade-in {
  animation: fadeIn 0.8s ease-out;
}

.animate-scale-in {
  animation: scaleIn 0.5s ease-out;
}

/* Smooth transitions for all interactive elements */
.glass-card,
.btn,
.nav-link,
.platform-card,
.blog-card,
.research-card,
.competency-card,
.project-card {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Enhanced hover effects with smooth animations */
.glass-card:hover,
.platform-card:hover,
.blog-card:hover,
.research-card:hover,
.competency-card:hover,
.project-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-glass-strong);
}

/* Button hover animations */
.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-colored);
}

/* Navigation link hover effects */
.nav-link:hover {
  transform: translateY(-1px);
}

/* Icon hover animations */
.platform-icon:hover,
.research-icon:hover,
.competency-icon:hover {
  transform: scale(1.1) rotate(5deg);
}

/* Responsive Design */
@media (max-width: 1200px) {
  .container {
    max-width: 1000px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
  
  .section {
    padding: 4rem 0;
  }

  .main-content {
    padding-top: 100px; /* Slightly less padding on mobile */
    padding-bottom: 60px;
  }
  }
  
  .glass-card {
    padding: 1.5rem;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .glass-card {
    padding: 1rem;
  }
  
  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }

  .main-content {
    padding-top: 80px; /* Even less padding on very small screens */
    padding-bottom: 50px;
  }
}

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

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

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

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-secondary);
}

[data-theme="light"] ::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

[data-theme="light"] ::-webkit-scrollbar-thumb {
  background: var(--accent-primary);
}

[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
  background: var(--accent-secondary);
}

[data-theme="dark"] ::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
  background: var(--accent-primary);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
  background: var(--accent-secondary);
}

/* Navbar Styles */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: var(--transition);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border-bottom: 1px solid var(--glass-border);
  border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.navbar.scrolled {
  background: var(--glass-bg-strong);
  border-bottom-color: var(--glass-border-strong);
  box-shadow: var(--shadow-glass);
}

.nav-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 2;
}

.nav-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  /* background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%); */
  z-index: -1;
}

.nav-background-effect {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: -1;
}

.navbar:hover .nav-background-effect {
  opacity: 1;
}

.nav-logo {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: 'Manrope', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text-primary);
  transition: var(--transition-spring);
}

.logo-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: var(--transition-spring);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

.nav-link {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem 1rem;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-smooth);
  position: relative;
  border-radius: var(--border-radius-small);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
  border-radius: 1px;
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle-container {
  position: relative;
}

.theme-toggle-btn {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-small);
  padding: 0.75rem;
  cursor: pointer;
  transition: var(--transition-spring);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
}

.theme-toggle-btn:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glass);
}

.theme-icon {
  position: relative;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.light-icon,
.dark-icon,
.system-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: var(--transition-smooth);
  color: var(--text-primary);
}

/* Default state - all icons hidden */
.light-icon,
.dark-icon,
.system-icon {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

/* Light theme - show sun icon */
[data-theme="light"] .light-icon {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(0deg);
}

[data-theme="light"] .dark-icon,
[data-theme="light"] .system-icon {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

/* Dark theme - show moon icon */
[data-theme="dark"] .dark-icon {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(0deg);
}

[data-theme="dark"] .light-icon,
[data-theme="dark"] .system-icon {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

/* System theme - show computer icon */
[data-theme="system"] .system-icon {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(0deg);
}

[data-theme="system"] .light-icon,
[data-theme="system"] .dark-icon {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

.theme-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle, var(--accent-primary)20 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: var(--border-radius-small);
}

.theme-toggle-btn:hover .theme-glow {
  opacity: 1;
}

.theme-tooltip {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--glass-bg-strong);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-small);
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
  margin-top: 0.5rem;
  z-index: 1001;
}

.theme-toggle-container:hover .theme-tooltip {
  opacity: 1;
  visibility: visible;
}

.theme-current {
  font-weight: 600;
  color: var(--text-primary);
}

.theme-arrow {
  margin: 0 0.25rem;
  color: var(--accent-primary);
}

.theme-next {
  color: var(--text-secondary);
}

/* Mobile Menu Styles */
.mobile-menu-btn {
  display: none;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-small);
  padding: 0.75rem;
  cursor: pointer;
  transition: var(--transition-spring);
  position: relative;
  overflow: hidden;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
}

.mobile-menu-btn:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  transform: translateY(-2px);
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  height: 100vh;
  background: rgba(0, 0, 0, 0.73);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border-left: 1px solid var(--glass-border);
  z-index: 1000;
  transform: translateX(100%);
  transition: var(--transition-smooth);
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 2rem;
}

.close-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text-primary);
  transition: var(--transition-smooth);
  border-radius: var(--border-radius-small);
}

.close-btn:hover {
  background: var(--glass-bg);
  color: var(--accent-primary);
}

.mobile-nav-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav-link {
  background: none;
  border: none;
  cursor: pointer;
  padding: 1rem;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-smooth);
  position: relative;
  border-radius: var(--border-radius-small);
  text-align: left;
  width: 100%;
}

.mobile-nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
  border-radius: 1px;
}

.mobile-nav-link:hover::before,
.mobile-nav-link.active::before {
  width: 4px;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--text-primary);
  background: var(--glass-bg);
}

/* Hero Section Styles */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 6rem 0 4rem;
}

.hero-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--accent-primary)06 0%, transparent 60%);
  box-shadow: inset 0 0 200px rgba(0, 217, 255, 0.05);
  z-index: -1;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at bottom left, var(--accent-secondary)04 0%, transparent 70%);
  box-shadow: inset 0 0 150px rgba(124, 58, 237, 0.04);
  z-index: -1;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}

.hero-content-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-small);
  font-size: 0.875rem;
  color: var(--text-secondary);
  width: fit-content;
}

.badge-content {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.title-greeting {
  font-size: 1.2rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.title-name {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.title-nickname {
  font-size: 1.5rem;
  color: var(--text-muted);
  font-weight: 400;
}

.hero-roles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.role-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.role-tag {
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-small);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.role-tag::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.role-tag:hover::before {
  opacity: 1;
}

.role-tag.primary {
  background: var(--gradient-primary);
  color: white;
}

.role-tag.secondary {
  background: var(--gradient-secondary);
  color: white;
}

.role-tag.tertiary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.role-tag:hover {
  transform: translateY(-2px);
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 500px;
}

.hero-stats-row {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.stat-item-hero {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-small);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.stat-item-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stat-item-hero:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  transform: translateY(-2px);
}

.stat-item-hero:hover::before {
  opacity: 1;
}

.stat-item-hero .stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-small);
  color: white;
}

.stat-item-hero .stat-content {
  display: flex;
  flex-direction: column;
}

.stat-item-hero .stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

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

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-cta,
.hero-download {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: var(--border-radius-small);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-spring);
  position: relative;
  overflow: hidden;
}

.hero-image-section {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-container {
  position: relative;
  width: 100%;
  max-width: 800px;
  height: 600px;
  border-radius: var(--border-radius-large);
  overflow: hidden;
  box-shadow: var(--shadow-glass-strong);
  margin: 0 auto;
}

.hero-image-wrapper {
  width: 100%;
  height: 100%;
  position: relative;
  border-radius: var(--border-radius-large);
  overflow: hidden;
  background: linear-gradient(135deg, 
    rgba(0, 217, 255, 0.1) 0%, 
    rgba(255, 0, 255, 0.1) 25%, 
    rgba(0, 255, 217, 0.1) 50%, 
    rgba(255, 217, 0, 0.1) 75%, 
    rgba(217, 0, 255, 0.1) 100%);
  transition: var(--transition-smooth);
  box-shadow: 
    0 0 50px rgba(0, 217, 255, 0.3),
    0 0 100px rgba(255, 0, 255, 0.2),
    0 0 150px rgba(0, 255, 217, 0.1);
}

.hero-image-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(135deg, rgba(0, 217, 255, 0.15) 0%, rgba(255, 0, 255, 0.15) 50%, rgba(0, 255, 217, 0.15) 100%),
    radial-gradient(circle at 20% 80%, rgba(0, 217, 255, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 0, 255, 0.2) 0%, transparent 50%);
  pointer-events: none;
  transition: var(--transition);
  z-index: 2;
  opacity: 1;
  animation: gentleGlow 4s ease-in-out infinite;
}

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

@keyframes gentleGlow {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.5; }
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
  z-index: 1;
  position: relative;
}

.hero-image-wrapper:hover {
  transform: scale(1.02);
}

.hero-image-wrapper:hover .hero-image {
  transform: scale(1.08);
}

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.4) 100%);
  display: flex;
  align-items: flex-end;
  padding: 2rem;
  opacity: 1;
  transition: var(--transition-smooth);
  z-index: 3;
}

.overlay-content-left {
  position: absolute;
  top: 2.5rem;
  left: 2.5rem;
  z-index: 4;
}

.floating-card {
  padding: 1.5rem 2rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 16px;
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.1),
    0 0 0 1px rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 220px;
  z-index: 5;
  animation: float 3s ease-in-out infinite;
}

/* Light theme floating card */
[data-theme="light"] .floating-card {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .floating-card .card-title {
  color: rgba(0, 0, 0, 0.6);
}

[data-theme="light"] .floating-card .card-subtitle {
  color: rgba(0, 0, 0, 0.9);
}

/* Dark theme floating card */
[data-theme="dark"] .floating-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .floating-card .card-title {
  color: rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] .floating-card .card-subtitle {
  color: rgba(255, 255, 255, 0.9);
}

.floating-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glass-strong);
  background: var(--glass-bg-strong);
}

.card-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-tiny);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.card-text {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.card-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #1f2937;
  line-height: 1.2;
}

.card-subtitle {
  font-size: 0.75rem;
  color: #6b7280;
  line-height: 1.2;
}

.hero-decorations {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: -1;
}

.decoration {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  opacity: 0.6;
  animation: float 4s ease-in-out infinite;
}

.decoration-1 { top: 15%; left: 15%; background: var(--accent-primary); }
.decoration-2 { top: 25%; right: 20%; background: var(--accent-secondary); }
.decoration-3 { bottom: 35%; left: 25%; background: var(--accent-green); }
.decoration-4 { bottom: 25%; right: 15%; background: var(--accent-purple); }
.decoration-5 { top: 55%; left: 10%; background: var(--accent-orange); }
.decoration-6 { top: 75%; right: 30%; background: var(--accent-pink); }

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -2;
  overflow: hidden;
}

.bg-gradient-1 {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--accent-primary)02 0%, transparent 70%);
  animation: float-slow 20s ease-in-out infinite;
}

.bg-gradient-2 {
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--accent-secondary)02 0%, transparent 70%);
  animation: float-slow 25s ease-in-out infinite reverse;
}

.bg-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 1px 1px, var(--accent-primary)10 1px, transparent 0);
  background-size: 50px 50px;
  opacity: 0.1;
  animation: float 30s ease-in-out infinite;
}

/* Responsive Design for Hero */
@media (max-width: 1200px) {
  .hero-content-wrapper {
    gap: 3rem;
  }
  
  .hero-image-section {
    order: -1;
  }
  
  .hero-image-container {
    max-width: 400px;
  }
  
  .overlay-content-left {
    justify-content: flex-start;
  }
}

@media (max-width: 768px) {
  .hero-content-wrapper {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .hero-image-container {
    max-width: 350px;
  }
  
  .hero-stats-row {
    justify-content: center;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .role-tags {
    justify-content: center;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-stats-row {
    flex-direction: column;
    align-items: center;
  }
  
  .stat-item-hero {
    width: 100%;
    max-width: 250px;
  }
  
  .navbar {
    padding: 0.5rem 0;
  }
  
  .nav-content {
    padding: 0.5rem 1rem;
  }
  
  .mobile-menu {
    width: 100%;
  }
  
  .logo-text {
    font-size: 1.25rem;
  }
  
  .about-story {
    text-align: center;
  }
  
  .story-header {
    flex-direction: column;
    gap: 1rem;
  }
  
  .story-avatar img {
    width: 80px;
    height: 80px;
  }
  
  .achievements-grid {
    grid-template-columns: 1fr;
  }
  
  .achievement-card {
    text-align: center;
  }
  
  .floating-card {
    max-width: 200px;
  }
}

/* Blog Section Styles */
.blog-controls {
  margin-bottom: 3rem;
}

.controls-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  margin-bottom: 1rem;
}

.search-container {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 1rem;
  color: var(--text-secondary);
  z-index: 1;
}

.search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-small);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition-smooth);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: var(--glass-bg-strong);
}

.filter-container {
  position: relative;
  display: flex;
  align-items: center;
}

.filter-icon {
  position: absolute;
  left: 1rem;
  color: var(--text-secondary);
  z-index: 1;
}

.filter-select {
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-small);
  color: var(--text-primary);
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  min-width: 150px;
}

.filter-select:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: var(--glass-bg-strong);
}

.filter-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 0.5rem;
}

.filter-select option:hover {
  background: var(--accent-primary);
  color: white;
}

.results-count {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.no-results {
  text-align: center;
  padding: 3rem;
  color: var(--text-secondary);
}

.no-results h3 {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.no-results p {
  color: var(--text-muted);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.blog-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.blog-card:hover {
  transform: translateY(-4px);
}

.blog-thumbnail {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  border-radius: var(--border-radius-small);
  margin-bottom: 1rem;
}

.blog-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.blog-card:hover .blog-thumbnail img {
  transform: scale(1.05);
}

.blog-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-header {
  margin-bottom: 1rem;
}

.blog-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

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

.blog-excerpt {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
  flex: 1;
}

.blog-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.blog-meta-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.blog-meta-item svg {
  width: 16px;
  height: 16px;
}

.blog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

.blog-tag {
  padding: 0.25rem 0.75rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-small);
  font-size: 0.75rem;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.blog-tag:hover {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

/* Blog View More Button */
.blog-view-more {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

.view-more-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  font-size: 1.1rem;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.view-more-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glass-strong);
}

/* All Blogs Page Styles */
.blog-posts-section {
  padding-top: 8rem;
  min-height: 100vh;
}

.page-header {
  text-align: center;
  margin-bottom: 3rem;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1rem;
  cursor: pointer;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-small);
  transition: var(--transition-smooth);
  margin-bottom: 2rem;
}

.back-btn:hover {
  color: var(--accent-primary);
  background: var(--glass-bg);
}

.page-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-subtitle {
  color: var(--text-secondary);
  font-size: 1.2rem;
  margin-bottom: 0;
}

.search-filter-container {
  margin-bottom: 2rem;
}

.search-bar {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
  max-width: 500px;
}

.search-input {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: 1rem;
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  transition: var(--transition-smooth);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  z-index: 1;
}

.clear-search-btn {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 50%;
  transition: var(--transition-smooth);
}

.clear-search-btn:hover {
  color: var(--accent-primary);
  background: var(--glass-bg);
}

.filter-toggle-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
}

.filter-toggle-btn:hover {
  background: var(--glass-bg-strong);
  border-color: var(--accent-primary);
}

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

.filter-indicator {
  position: absolute;
  top: -5px;
  right: -5px;
  width: 10px;
  height: 10px;
  background: var(--accent-primary);
  border-radius: 50%;
  opacity: 0;
  transition: var(--transition-smooth);
}

.filter-indicator.active {
  opacity: 1;
}

.filter-panel {
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  margin-top: 1rem;
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
}

.filter-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filter-label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filter-select {
  padding: 0.75rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-small);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition-smooth);
}

.filter-select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

.filter-actions {
  display: flex;
  align-items: end;
}

.clear-filters-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-small);
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.clear-filters-btn:hover {
  background: var(--glass-bg-strong);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.results-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--glass-border);
}

.results-count {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.active-filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  width: 100%;
}

.no-results {
  text-align: center;
  padding: 4rem 2rem;
}

.no-results-content {
  max-width: 400px;
  margin: 0 auto;
}

.no-results-icon {
  font-size: 4rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.no-results h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.no-results p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

@media (max-width: 768px) {
  .search-bar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .search-input-wrapper {
    max-width: none;
  }
  
  .filter-content {
    grid-template-columns: 1fr;
  }
  
  .results-info {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .posts-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* Blog Post Page Styles */
.blog-post-section {
  padding-top: 8rem;
  min-height: 100vh;
}

.post-header {
  margin-bottom: 3rem;
}

.post-meta {
  margin: 2rem 0;
}

.meta-items {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.meta-item svg {
  width: 16px;
  height: 16px;
}

.post-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 1.5rem;
  line-height: 1.2;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.post-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.post-tag {
  padding: 0.25rem 0.75rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-small);
  font-size: 0.8rem;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.post-tag:hover {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

.post-featured-image {
  margin: 2rem 0;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-glass);
}

.post-featured-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition-smooth);
}

.post-featured-image:hover img {
  transform: scale(1.02);
}

.post-content {
  margin: 3rem 0;
  line-height: 1.8;
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4 {
  color: var(--text-primary);
  margin: 2rem 0 1rem 0;
}

.post-content h1 {
  font-size: 2rem;
}

.post-content h2 {
  font-size: 1.75rem;
}

.post-content h3 {
  font-size: 1.5rem;
}

.post-content h4 {
  font-size: 1.25rem;
}

.post-content p {
  margin-bottom: 1.5rem;
}

.post-content ul,
.post-content ol {
  margin: 1.5rem 0;
  padding-left: 2rem;
}

.post-content li {
  margin-bottom: 0.5rem;
}

.post-content blockquote {
  border-left: 4px solid var(--accent-primary);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--text-secondary);
}

.post-content code {
  background: var(--glass-bg);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
}

.post-content pre {
  background: var(--glass-bg);
  padding: 1.5rem;
  border-radius: var(--border-radius-small);
  overflow-x: auto;
  margin: 2rem 0;
}

.post-content pre code {
  background: none;
  padding: 0;
}

.post-content a {
  color: var(--accent-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: var(--transition-smooth);
}

.post-content a:hover {
  border-bottom-color: var(--accent-primary);
}

.post-footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--glass-border);
}

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

.share-section h4 {
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.share-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.share-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-small);
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.share-btn:hover {
  background: var(--glass-bg-strong);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.loading-content {
  text-align: center;
  padding: 4rem 2rem;
}

.loading-content .loading-spinner {
  margin-bottom: 2rem;
}

@media (max-width: 768px) {
  .meta-items {
    flex-direction: column;
    gap: 1rem;
  }
  
  .post-content {
    font-size: 1rem;
  }
  
  .share-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .share-btn {
    width: 200px;
    justify-content: center;
  }
}

/* Platform Links Styles */
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.platform-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem;
  height: 100%;
  transition: var(--transition-smooth);
}

.platform-card:hover {
  transform: translateY(-4px);
}

.platform-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: var(--border-radius);
  color: white;
  margin-bottom: 1.5rem;
  transition: var(--transition-smooth);
}

/* Social Media Platform Colors */
.platform-card[data-platform="github"] .platform-icon {
  background: linear-gradient(135deg, #333 0%, #24292e 100%);
}

.platform-card[data-platform="linkedin"] .platform-icon {
  background: linear-gradient(135deg, #0077b5 0%, #0a66c2 100%);
}

.platform-card[data-platform="twitter"] .platform-icon {
  background: linear-gradient(135deg, #1da1f2 0%, #0d8bd9 100%);
}

.platform-card[data-platform="facebook"] .platform-icon {
  background: linear-gradient(135deg, #1877f2 0%, #0d6efd 100%);
}

.platform-card[data-platform="instagram"] .platform-icon {
  background: linear-gradient(135deg, #e4405f 0%, #f77737 50%, #fca326 100%);
}

.platform-card[data-platform="youtube"] .platform-icon {
  background: linear-gradient(135deg, #ff0000 0%, #cc0000 100%);
}

.platform-card[data-platform="medium"] .platform-icon {
  background: linear-gradient(135deg, #00ab6c 0%, #00c853 100%);
}

.platform-card[data-platform="dev.to"] .platform-icon {
  background: linear-gradient(135deg, #0a0a0a 0%, #333 100%);
}

.platform-card[data-platform="stackoverflow"] .platform-icon {
  background: linear-gradient(135deg, #f48024 0%, #f48024 100%);
}

.platform-card[data-platform="behance"] .platform-icon {
  background: linear-gradient(135deg, #1769ff 0%, #0057ff 100%);
}

.platform-card[data-platform="dribbble"] .platform-icon {
  background: linear-gradient(135deg, #ea4c89 0%, #d63384 100%);
}

.platform-card[data-platform="discord"] .platform-icon {
  background: linear-gradient(135deg, #5865f2 0%, #4752c4 100%);
}

.platform-card[data-platform="telegram"] .platform-icon {
  background: linear-gradient(135deg, #0088cc 0%, #0077b3 100%);
}

.platform-card[data-platform="whatsapp"] .platform-icon {
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
}

.platform-card[data-platform="reddit"] .platform-icon {
  background: linear-gradient(135deg, #ff4500 0%, #ff6b35 100%);
}

.platform-card[data-platform="tiktok"] .platform-icon {
  background: linear-gradient(135deg, #000000 0%, #25f4ee 50%, #fe2c55 100%);
}

.platform-icon svg {
  width: 32px;
  height: 32px;
}

.platform-card:hover .platform-icon {
  transform: scale(1.1) rotate(5deg);
}

.platform-name {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.platform-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 2rem;
  flex: 1;
}

/* Project Status Styles */
.project-status {
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-small);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-active {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
}

.status-in-development {
  background: rgba(59, 130, 246, 0.2);
  color: #3b82f6;
}

.status-beta {
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
}

.status-planning {
  background: rgba(139, 92, 246, 0.2);
  color: #8b5cf6;
}

.status-concept {
  background: rgba(236, 72, 153, 0.2);
  color: #ec4899;
}

.status-research {
  background: rgba(107, 114, 128, 0.2);
  color: #6b7280;
}

/* Feature Tags */
.feature-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-small);
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin: 0.25rem;
  transition: var(--transition-smooth);
}

.feature-tag:hover {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

/* Competency Card Styles */
.competency-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.competency-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glass-strong);
  border-color: var(--glass-border-strong);
}

.competency-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius);
  color: white;
  margin-bottom: 1.5rem;
  transition: var(--transition-smooth);
}

.competency-icon svg {
  width: 32px;
  height: 32px;
}

.competency-card:hover .competency-icon {
  transform: scale(1.1) rotate(5deg);
}

.competency-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

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

/* Project Cards */
.project-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glass-strong);
  border-color: var(--glass-border-strong);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.project-title {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 0;
  font-weight: 700;
}

.project-description {
  margin-bottom: 1.75rem;
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 1rem;
}

.project-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.project-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

/* Research Cards */
.research-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.research-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glass-strong);
  border-color: var(--glass-border-strong);
}

.research-card .read-more-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 1rem;
  transition: var(--transition);
}

.research-card .read-more-link:hover {
  color: var(--accent-secondary);
  transform: translateX(4px);
}

.blog-card .read-more-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 1rem;
  transition: var(--transition);
}

.blog-card .read-more-link:hover {
  color: var(--accent-secondary);
  transform: translateX(4px);
}

/* Book Card Styles */
.book-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.book-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glass-strong);
  border-color: var(--glass-border-strong);
}

.book-cover {
  width: 100%;
  height: 200px;
  border-radius: var(--border-radius-small);
  overflow: hidden;
  position: relative;
  background: var(--glass-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.book-cover .placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--accent-primary)20, var(--accent-secondary)20);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 3rem;
}

.book-card:hover .book-cover img {
  transform: scale(1.05);
}

.book-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
}

.book-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

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

.book-description {
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.book-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: auto;
}

.book-price {
  font-weight: 600;
  font-size: 1.1rem;
}

.book-price.free {
  color: var(--accent-green);
}

.book-price.paid {
  color: var(--accent-primary);
}

.book-status {
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-small);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-available {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
}

.status-coming-soon {
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
}

.book-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.book-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius-small);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.book-btn.primary {
  background: var(--gradient-primary);
  color: white;
}

.book-btn.secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.book-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glass);
}

.book-btn.primary:hover {
  box-shadow: var(--shadow-colored);
}

.research-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white !important;
  font-size: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 8px 32px rgba(0, 217, 255, 0.3);
  transition: var(--transition);
}

.research-icon svg {
  color: white !important;
}

.research-card:hover .research-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 32px rgba(0, 217, 255, 0.3),
              0 0 20px rgba(0, 217, 255, 0.15);
}

.research-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.research-description {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
  font-size: 1rem;
}

.research-highlights {
  margin-top: 2rem;
}

.highlights-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.highlights-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
}

.highlight-bullet {
  color: var(--accent-primary);
  font-weight: 800;
  font-size: 1.2rem;
}

/* Hero Image Dots */
.hero-image-dots {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 10;
}

.hero-image-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.hero-image-dots .dot.active {
  background: var(--accent-primary);
  transform: scale(1.2);
}

.hero-image-dots .dot:hover {
  background: var(--accent-primary);
  transform: scale(1.1);
}

/* Mobile Menu Button Icons */
.mobile-menu-btn .menu-icon,
.mobile-menu-btn .close-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: var(--transition-smooth);
  color: var(--text-primary);
}

.mobile-menu-btn .close-icon {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

.mobile-menu-btn.active .menu-icon {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(-90deg);
}

.mobile-menu-btn.active .close-icon {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(0deg);
}

/* Responsive Design for Blog and Platforms */
@media (max-width: 768px) {
  .controls-grid {
    grid-template-columns: 1fr;
  }
  
  .blog-grid {
    grid-template-columns: 1fr;
  }
  
  .platforms-grid {
    grid-template-columns: 1fr;
  }
  
  .platform-card {
    padding: 1.5rem;
  }
  
  .platform-icon {
    width: 60px;
    height: 60px;
  }
  
  .platform-icon svg {
    width: 24px;
    height: 24px;
  }
}

@media (max-width: 480px) {
  .blog-card {
    margin-bottom: 1rem;
  }
  
  .platform-card {
    padding: 1rem;
  }
  
  .competency-card {
    padding: 1.5rem;
  }
}

/* Desktop Navigation */
.desktop-nav {
  display: flex;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
}

/* Responsive Navigation */
@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .nav-content {
    padding: 1rem;
  }
  
  .nav-actions {
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  .mobile-menu {
    width: 100%;
  }
  
  .nav-content {
    padding: 0.5rem 1rem;
  }
  
  .logo-text {
    font-size: 1.25rem;
  }
}

/* About Section Styles */
.about-header {
  text-align: center;
  margin-bottom: 4rem;
}

.about-main-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-story {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.story-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.story-avatar {
  position: relative;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
}

.story-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  transition: var(--transition-smooth);
}

.avatar-ring {
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border: 2px solid var(--gradient-primary);
  border-radius: 50%;
  animation: pulse-ring 2s ease-in-out infinite;
}

@keyframes pulse-ring {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.7; }
}

.story-intro {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.story-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.story-nickname {
  font-size: 1rem;
  color: var(--accent-primary);
  font-weight: 500;
}

.personal-info-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.personal-info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-small);
  transition: var(--transition-smooth);
}

.personal-info-item svg {
  color: var(--accent-primary);
  width: 20px;
  height: 20px;
}

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

.info-value {
  color: var(--text-secondary);
}

.story-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.story-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.story-mission {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  position: relative;
  overflow: hidden;
}

.mission-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-small);
  color: white;
  flex-shrink: 0;
  font-size: 1.5rem;
}

.mission-content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mission-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

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

.about-expertise {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.expertise-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.expertise-card {
  padding: 1.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.expertise-card:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  transform: translateY(-4px);
}

.expertise-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius);
  color: white;
  margin-bottom: 1rem;
  transition: var(--transition-smooth);
}

.expertise-icon svg {
  width: 28px;
  height: 28px;
}

.bg-gradient-to-br.from-blue-500.to-cyan-500 {
  background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
}

.bg-gradient-to-br.from-green-500.to-emerald-500 {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.bg-gradient-to-br.from-purple-500.to-pink-500 {
  background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
}

.bg-gradient-to-br.from-orange-500.to-red-500 {
  background: linear-gradient(135deg, #f97316 0%, #ef4444 100%);
}

.bg-gradient-to-br.from-yellow-500.to-orange-500 {
  background: linear-gradient(135deg, #eab308 0%, #f97316 100%);
}

.bg-gradient-to-br.from-blue-600.to-blue-400 {
  background: linear-gradient(135deg, #2563eb 0%, #60a5fa 100%);
}

.bg-gradient-to-br.from-gray-700.to-gray-500 {
  background: linear-gradient(135deg, #374151 0%, #6b7280 100%);
}

.bg-gradient-to-br.from-blue-500.to-purple-500 {
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
}

.bg-gradient-to-br.from-pink-500.to-rose-400 {
  background: linear-gradient(135deg, #ec4899 0%, #fb7185 100%);
}

.bg-gradient-to-br.from-green-600.to-green-400 {
  background: linear-gradient(135deg, #059669 0%, #4ade80 100%);
}

.bg-gradient-to-br.from-purple-500.to-pink-500 {
  background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
}

.bg-gradient-to-br.from-gray-800.to-gray-600 {
  background: linear-gradient(135deg, #1f2937 0%, #4b5563 100%);
}

.bg-gradient-to-br.from-blue-700.to-blue-500 {
  background: linear-gradient(135deg, #1d4ed8 0%, #3b82f6 100%);
}

.bg-gradient-to-br.from-red-500.to-orange-500 {
  background: linear-gradient(135deg, #ef4444 0%, #f97316 100%);
}

.expertise-card:hover .expertise-icon {
  transform: scale(1.1) rotate(5deg);
}

.expertise-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

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

.expertise-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  border-radius: var(--border-radius);
}

.expertise-card:hover .expertise-glow {
  opacity: 1;
}

.about-achievements {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.achievements-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.achievement-card {
  padding: 1.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  text-align: center;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.achievement-card:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  transform: translateY(-4px);
}

.achievement-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius);
  color: white;
  margin: 0 auto 1rem;
  transition: var(--transition-smooth);
}

.achievement-icon svg {
  width: 24px;
  height: 24px;
}

.achievement-card:hover .achievement-icon {
  transform: scale(1.1);
}

.achievement-content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.achievement-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.achievement-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  border-radius: var(--border-radius);
}

.achievement-card:hover .achievement-glow {
  opacity: 1;
}

.about-cta {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

.cta-content {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  max-width: 600px;
  width: 100%;
}

.cta-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius);
  color: white;
  flex-shrink: 0;
}

.cta-icon svg {
  width: 24px;
  height: 24px;
}

.cta-text {
  flex: 1;
}

.cta-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

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

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--border-radius-small);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-spring);
  text-decoration: none;
}

/* Footer Styles */
.footer {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border-top: 1px solid var(--glass-border);
  padding: 4rem 0 2rem;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
  z-index: -1;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.brand-name {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

.brand-tagline {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.link-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

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

.link-list li {
  margin-bottom: 0.5rem;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-smooth);
  font-size: 0.95rem;
}

.footer-link:hover {
  color: var(--accent-primary);
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--glass-border);
  flex-wrap: wrap;
  gap: 1rem;
}

.made-with {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.heart-icon {
  color: #ef4444;
  animation: heartbeat 2s ease-in-out infinite;
}

.code-icon {
  color: var(--accent-primary);
}

.zap-icon {
  color: var(--accent-secondary);
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

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

/* App Decorations */
.app-decorations {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.grid-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

.decoration-orb {
  position: absolute;
  border-radius: 50%;
  opacity: 0.3;
  animation: float 6s ease-in-out infinite;
}

.orb-1 {
  width: 100px;
  height: 100px;
  top: 20%;
  left: 10%;
  background: radial-gradient(circle, var(--accent-primary)20 0%, transparent 70%);
  animation-delay: 0s;
}

.orb-2 {
  width: 150px;
  height: 150px;
  top: 60%;
  right: 15%;
  background: radial-gradient(circle, var(--accent-secondary)15 0%, transparent 70%);
  animation-delay: 2s;
}

.orb-3 {
  width: 80px;
  height: 80px;
  bottom: 30%;
  left: 20%;
  background: radial-gradient(circle, var(--accent-green)25 0%, transparent 70%);
  animation-delay: 4s;
}

.glow-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.glow-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--accent-primary);
  border-radius: 50%;
  opacity: 0.6;
  animation: glowFloat 8s ease-in-out infinite;
}

.glow-particle:nth-child(2) { 
  top: 30%; left: 80%; background: var(--accent-secondary); animation-delay: 1s; 
}

.glow-particle:nth-child(3) { 
  top: 70%; left: 20%; background: var(--accent-green); animation-delay: 2s; 
}

.glow-particle:nth-child(4) { 
  top: 40%; left: 60%; background: var(--accent-purple); animation-delay: 3s; 
}

.glow-particle:nth-child(5) { 
  top: 80%; left: 70%; background: var(--accent-orange); animation-delay: 4s; 
}

@keyframes glowFloat {
  0%, 100% {
    transform: translateY(0px) scale(1);
    opacity: 0.6;
  }
  50% {
    transform: translateY(-20px) scale(1.5);
    opacity: 1;
  }
}

.floating-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--accent-primary);
  border-radius: 50%;
  opacity: 0.4;
  animation: morphFloat 10s ease-in-out infinite;
}

.particle:nth-child(2) { 
  top: 25%; left: 75%; background: var(--accent-secondary); animation-delay: 1.5s; 
}

.particle:nth-child(3) { 
  top: 65%; left: 25%; background: var(--accent-green); animation-delay: 3s; 
}

.particle:nth-child(4) { 
  top: 45%; left: 55%; background: var(--accent-purple); animation-delay: 4.5s; 
}

.particle:nth-child(5) { 
  top: 85%; left: 65%; background: var(--accent-orange); animation-delay: 6s; 
}

.particle:nth-child(6) { 
  top: 15%; left: 35%; background: var(--accent-pink); animation-delay: 7.5s; 
}

@keyframes morphFloat {
  0%, 100% {
    transform: translateY(0px) translateX(0px) scale(1);
    opacity: 0.4;
  }
  25% {
    transform: translateY(-15px) translateX(10px) scale(1.2);
    opacity: 0.8;
  }
  50% {
    transform: translateY(-30px) translateX(-5px) scale(0.8);
    opacity: 0.6;
  }
  75% {
    transform: translateY(-10px) translateX(15px) scale(1.1);
    opacity: 0.9;
  }
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-spring);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
}

.scroll-to-top:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  transform: translateY(-4px);
  color: var(--accent-primary);
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}

/* Loading Spinner */
.loading-spinner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.loading-spinner.hidden {
  opacity: 0;
  visibility: hidden;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--glass-border);
  border-top: 3px solid var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Responsive Design for About */
@media (max-width: 1200px) {
  .about-main-content {
    gap: 3rem;
  }
  
  .story-header {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .about-main-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .expertise-grid {
    grid-template-columns: 1fr;
  }
  
  .achievements-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
  
  .footer-main {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .expertise-grid {
    grid-template-columns: 1fr;
  }
  
  .achievement-card {
    text-align: center;
  }
  
  .floating-card {
    max-width: 200px;
  }
}

/* Insights Hub Image-Based Cards */
.insights-hub-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
}

.insights-hub-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.insights-hub-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glass-strong);
  border-color: var(--glass-border-strong);
}

.insights-hub-card:hover::before {
  opacity: 1;
}

.insights-hub-card-image {
  width: 100%;
  height: 200px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--accent-primary)10, var(--accent-secondary)10);
}

.insights-hub-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.insights-hub-card:hover .insights-hub-card-image img {
  transform: scale(1.05);
}

.insights-hub-card-image .placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-primary)20, var(--accent-secondary)20);
  color: var(--text-primary);
}

.insights-hub-card-image .placeholder svg {
  width: 48px;
  height: 48px;
  opacity: 0.6;
}

.insights-hub-card-content {
  padding: 1.5rem;
}

.insights-hub-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.4;
  transition: color 0.3s ease;
}

.insights-hub-card:hover .insights-hub-card-title {
  color: var(--accent-primary);
}

.insights-hub-card-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.insights-hub-card-category {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
}

.insights-hub-card-category.blog {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  color: white;
}

.insights-hub-card-category.research {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
}

.insights-hub-card-category.insight {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
}

.insights-hub-card-read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.insights-hub-card-read-more:hover {
  color: var(--accent-secondary);
  transform: translateX(4px);
}

.insights-hub-card-read-more svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
}

.insights-hub-card-read-more:hover svg {
  transform: translateX(2px);
}

/* Responsive Design for Insights Hub Cards */
@media (max-width: 768px) {
  .insights-hub-card-content {
    padding: 1.25rem;
  }
  
  .insights-hub-card-title {
    font-size: 1.125rem;
  }
  
  .insights-hub-card-description {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .insights-hub-card-image {
    height: 160px;
  }
  
  .insights-hub-card-content {
    padding: 1rem;
  }
  
  .insights-hub-card-title {
    font-size: 1rem;
  }
}

/* Book Details Modal */
.book-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.book-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.book-modal {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  box-shadow: var(--shadow-glass-strong);
  transform: scale(0.9) translateY(20px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.book-modal-overlay.active .book-modal {
  transform: scale(1) translateY(0);
}

.book-modal-header {
  padding: 1.5rem 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.book-modal-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.3;
}

.book-modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.book-modal-close:hover {
  background: var(--glass-bg);
  color: var(--text-primary);
  transform: rotate(90deg);
}

.book-modal-close svg {
  width: 20px;
  height: 20px;
}

.book-modal-content {
  padding: 1.5rem;
}

.book-modal-image {
  width: 100%;
  height: 200px;
  border-radius: var(--border-radius);
  overflow: hidden;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--accent-primary)10, var(--accent-secondary)10);
}

.book-modal-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-modal-image .placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-primary)20, var(--accent-secondary)20);
  color: var(--text-primary);
}

.book-modal-image .placeholder svg {
  width: 48px;
  height: 48px;
  opacity: 0.6;
}

.book-modal-author {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.book-modal-author svg {
  width: 16px;
  height: 16px;
}

.book-modal-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.book-modal-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.book-modal-detail {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.book-modal-detail svg {
  width: 16px;
  height: 16px;
  color: var(--accent-primary);
}

.book-modal-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.book-modal-btn {
  flex: 1;
  min-width: 120px;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--border-radius);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  font-size: 0.9rem;
}

.book-modal-btn.primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
}

.book-modal-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.book-modal-btn.secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.book-modal-btn.secondary:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  transform: translateY(-2px);
}

.book-modal-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.book-modal-btn svg {
  width: 16px;
  height: 16px;
}

/* Payment Options Modal */
.payment-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10001;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.payment-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.payment-modal {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  max-width: 500px;
  width: 90%;
  backdrop-filter: blur(var(--blur-amount));
  -webkit-backdrop-filter: blur(var(--blur-amount));
  box-shadow: var(--shadow-glass-strong);
  transform: scale(0.9) translateY(20px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.payment-modal-overlay.active .payment-modal {
  transform: scale(1) translateY(0);
}

.payment-modal-header {
  padding: 1.5rem 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.payment-modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.payment-modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.payment-modal-close:hover {
  background: var(--glass-bg);
  color: var(--text-primary);
  transform: rotate(90deg);
}

.payment-modal-close svg {
  width: 20px;
  height: 20px;
}

.payment-modal-content {
  padding: 1.5rem;
}

.payment-options {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.payment-option {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.3s ease;
  background: var(--glass-bg);
}

.payment-option:hover {
  border-color: var(--accent-primary);
  background: var(--glass-bg-strong);
  transform: translateX(4px);
}

.payment-option.selected {
  border-color: var(--accent-primary);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(147, 51, 234, 0.1));
}

.payment-option-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--glass-bg);
}

.payment-option-icon svg {
  width: 24px;
  height: 24px;
  color: var(--accent-primary);
}

.payment-option-content {
  flex: 1;
}

.payment-option-title {
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.payment-option-description {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.payment-modal-actions {
  display: flex;
  gap: 1rem;
}

.payment-modal-btn {
  flex: 1;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--border-radius);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.payment-modal-btn.primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
}

.payment-modal-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.payment-modal-btn.secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.payment-modal-btn.secondary:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  transform: translateY(-2px);
}

/* Responsive Design for Modals */
@media (max-width: 768px) {
  .book-modal,
  .payment-modal {
    width: 95%;
    max-height: 95vh;
  }
  
  .book-modal-header,
  .payment-modal-header {
    padding: 1.25rem 1.25rem 0;
  }
  
  .book-modal-content,
  .payment-modal-content {
    padding: 1.25rem;
  }
  
  .book-modal-title {
    font-size: 1.25rem;
  }
  
  .payment-modal-title {
    font-size: 1.125rem;
  }
  
  .book-modal-actions,
  .payment-modal-actions {
    flex-direction: column;
  }
  
  .book-modal-btn,
  .payment-modal-btn {
    min-width: auto;
  }
}

@media (max-width: 480px) {
  .book-modal-details {
    grid-template-columns: 1fr;
  }
  
  .book-modal-image {
    height: 160px;
  }
}

/* Simple Popup Styles */
.simple-popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.simple-popup.show {
  opacity: 1;
  visibility: visible;
}

.simple-popup-content {
  background: var(--glass-bg-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-large);
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.simple-popup.show .simple-popup-content {
  transform: scale(1);
}

.simple-popup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--glass-border);
}

.simple-popup-header h3 {
  margin: 0;
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 600;
}

.simple-popup-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius-small);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.simple-popup-close:hover {
  background: var(--glass-bg);
  color: var(--text-primary);
}

.simple-popup-close svg {
  width: 20px;
  height: 20px;
}

.simple-popup-body {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.simple-popup-image {
  width: 120px;
  height: 160px;
  border-radius: var(--border-radius-small);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--glass-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.simple-popup-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.simple-popup-image .placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  color: var(--text-secondary);
}

.simple-popup-image .placeholder svg {
  width: 40px;
  height: 40px;
}

.simple-popup-info {
  flex: 1;
}

.simple-popup-author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.simple-popup-author svg {
  width: 16px;
  height: 16px;
}

.simple-popup-description {
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.simple-popup-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.simple-popup-detail {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.simple-popup-detail svg {
  width: 16px;
  height: 16px;
}

.simple-popup-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
}

.simple-popup-btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--border-radius-small);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.simple-popup-btn.primary {
  background: var(--accent-primary);
  color: white;
}

.simple-popup-btn.primary:hover {
  background: var(--accent-primary-dark);
  transform: translateY(-2px);
}

.simple-popup-btn.secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.simple-popup-btn.secondary:hover {
  background: var(--glass-bg-strong);
  transform: translateY(-2px);
}

.simple-popup-btn svg {
  width: 16px;
  height: 16px;
}

@media (max-width: 768px) {
  .simple-popup-content {
    padding: 1.5rem;
    width: 95%;
  }
  
  .simple-popup-body {
    flex-direction: column;
    gap: 1rem;
  }
  
  .simple-popup-image {
    width: 100%;
    height: 200px;
  }
  
  .simple-popup-actions {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .simple-popup-content {
    padding: 1rem;
  }
  
  .simple-popup-header h3 {
    font-size: 1.25rem;
  }
}