/* ===== CSS CUSTOM PROPERTIES (VARIABLES) ===== */
:root {
  /* Primary Colors */
  --primary-color: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  
  /* Secondary Colors */
  --secondary-color: #8b5cf6;
  --secondary-light: #a78bfa;
  --secondary-dark: #7c3aed;
  
  /* Accent Colors */
  --accent-color: #06b6d4;
  --accent-light: #22d3ee;
  --accent-dark: #0891b2;
  
  /* Status Colors */
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  
  /* Neutral Colors - Light Theme */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-tertiary: #94a3b8;
  
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  
  /* Glass Effects */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
  --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--primary-color));
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Breakpoints */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
  
  /* Animations */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-Index Scale */
  --z-index-dropdown: 1000;
  --z-index-sticky: 1010;
  --z-index-fixed: 1020;
  --z-index-modal-backdrop: 1030;
  --z-index-modal: 1040;
  --z-index-popover: 1050;
  --z-index-tooltip: 1060;
}

/* Dark Theme Variables */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-tertiary: #94a3b8;
  
  --border-color: #334155;
  --border-light: #475569;
  
  --glass-bg: rgba(15, 23, 42, 0.3);
  --glass-border: rgba(248, 250, 252, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* ===== GLOBAL RESET AND BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* ===== SELECTION STYLES ===== */
::selection {
  background: var(--primary-color);
  color: white;
}

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

/* ===== SCROLLBAR STYLES ===== */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 10px;
}

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

/* ===== CURSOR FOLLOWER ===== */
.cursor-follower {
  position: fixed;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--z-index-tooltip);
  transform: translate(-50%, -50%);
  transition: transform 0.1s ease, opacity 0.3s ease;
  opacity: 0;
  mix-blend-mode: difference;
}

/* ===== LOADING SCREEN ===== */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

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

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--spacing-lg);
}

.loading-bar {
  width: 300px;
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  overflow: hidden;
  margin-top: var(--spacing-lg);
}

.loading-progress {
  width: 0%;
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 2px;
  animation: loadingProgress 2s ease-in-out;
}

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

@keyframes loadingProgress {
  0% { width: 0%; }
  100% { width: 100%; }
}

/* ===== WEBGL CANVAS ===== */
#webglCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  opacity: 0.3;
}

/* ===== UTILITY CLASSES ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: var(--glass-shadow);
  padding: var(--spacing-2xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.glass-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-4xl);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--font-size-4xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== BUTTON STYLES ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

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

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 2px solid var(--glass-border);
  backdrop-filter: blur(20px);
}

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

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

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

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  z-index: var(--z-index-fixed);
  transition: all var(--transition-base);
  padding: var(--spacing-md) 0;
}

.navbar.scrolled {
  background: rgba(248, 250, 252, 0.95);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .navbar.scrolled {
  background: rgba(15, 23, 42, 0.95);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand h2 {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: 600;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-2xl);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: color var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
}

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

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

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

.theme-toggle {
  position: relative;
  width: 50px;
  height: 24px;
  background: var(--border-color);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  overflow: hidden;
  transition: background-color var(--transition-base);
}

.theme-toggle i {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  transition: all var(--transition-base);
}

.theme-toggle .bi-sun {
  left: 4px;
  color: var(--warning-color);
}

.theme-toggle .bi-moon-stars {
  right: 4px;
  color: var(--primary-color);
}

.theme-toggle::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-base);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .theme-toggle::before {
  transform: translateX(26px);
  background: var(--bg-tertiary);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: all var(--transition-base);
  border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* ===== HERO SECTION (FIXED - NO ROTATION) ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: var(--spacing-4xl) 0;
  overflow: hidden;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.hero-text {
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--font-size-6xl);
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
}

.typing-text {
  font-size: var(--font-size-3xl);
  color: var(--text-secondary);
  font-weight: 400;
}

.name-highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.hero-subtitle {
  font-size: var(--font-size-2xl);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-2xl);
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-3xl);
}

.hero-stats {
  display: flex;
  gap: var(--spacing-2xl);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--primary-color);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 1s ease-out;
}

/* FIXED PROFILE SECTION - NO ROTATION */
.profile-container {
  position: relative;
  animation: float 6s ease-in-out infinite;
}

.profile-background {
  width: 300px;
  height: 300px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glass-shadow);
  border: 4px solid white;
  overflow: hidden;
  position: relative;
}

.profile-background::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
  animation: shimmer 3s linear infinite;
}

.profile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  position: relative;
  z-index: 2;
}

.floating-elements {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  pointer-events: none;
}

.floating-icon {
  position: absolute;
  width: 60px;
  height: 60px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 2px solid var(--glass-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  animation: floatIcon 3s ease-in-out infinite;
}

.floating-icon:nth-child(1) {
  top: 10%;
  right: 10%;
  color: #3776ab;
  animation-delay: 0s;
}

.floating-icon:nth-child(2) {
  bottom: 20%;
  right: 5%;
  color: #f7df1e;
  animation-delay: 1s;
}

.floating-icon:nth-child(3) {
  top: 20%;
  left: 5%;
  color: #e34c26;
  animation-delay: 2s;
}

.floating-icon:nth-child(4) {
  bottom: 10%;
  left: 10%;
  color: #1572b6;
  animation-delay: 3s;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--spacing-2xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
  animation: bounce 2s infinite;
}

.scroll-arrow {
  width: 2px;
  height: 30px;
  background: var(--text-tertiary);
  position: relative;
}

.scroll-arrow::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--text-tertiary);
  border-bottom: 2px solid var(--text-tertiary);
  transform: translateX(-50%) rotate(45deg);
}

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

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

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

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

@keyframes shimmer {
  0% {
    transform: translateX(-100%) translateY(-100%) rotate(45deg);
  }
  100% {
    transform: translateX(100%) translateY(100%) rotate(45deg);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* ===== ABOUT SECTION ===== */
.about {
  padding: var(--spacing-4xl) 0;
  background: var(--bg-secondary);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.about-text h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-lg);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-text p {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
  color: var(--text-secondary);
}

.education-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.education-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  transition: transform var(--transition-base);
}

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

.education-item i {
  font-size: var(--font-size-2xl);
  color: var(--primary-color);
  min-width: 40px;
}

.education-item h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.education-item p {
  color: var(--text-tertiary);
  margin: 0;
}

.passion-areas h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.passion-areas ul {
  list-style: none;
}

.passion-areas li {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-base);
}

.passion-areas li i {
  color: var(--success-color);
  font-size: var(--font-size-lg);
}

.about-image {
  position: relative;
}

.image-card {
  position: relative;
  overflow: hidden;
  padding: 0;
}

.about-img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: 20px;
  transition: transform var(--transition-slow);
}

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

.image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  padding: var(--spacing-2xl);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.image-card:hover .image-overlay {
  transform: translateY(0);
}

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

.coding-stat {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: white;
}

.coding-stat i {
  font-size: var(--font-size-lg);
  color: var(--accent-color);
}

/* ===== SKILLS SECTION ===== */
.skills {
  padding: var(--spacing-4xl) 0;
}

.skills-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3xl);
}

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

.skill-category h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  margin-bottom: var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--text-primary);
}

.skill-category h3 i {
  color: var(--primary-color);
}

.skills-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.skill-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  transition: all var(--transition-base);
}

.skill-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.skill-icon {
  min-width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 2px solid var(--glass-border);
  border-radius: 12px;
  font-size: var(--font-size-2xl);
}

.skill-info {
  flex: 1;
}

.skill-info h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.skill-bar {
  width: 100%;
  height: 6px;
  background: var(--border-color);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
}

.skill-progress {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 3px;
  width: 0%;
  transition: width 1s ease-in-out;
  position: relative;
}

.skill-progress::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 2s infinite;
}

.skill-percent {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--primary-color);
}

.coding-philosophy {
  margin-top: var(--spacing-2xl);
}

.coding-philosophy h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--text-primary);
}

.coding-philosophy h3 i {
  color: var(--accent-color);
}

.coding-philosophy p {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: var(--spacing-xl);
  color: var(--text-secondary);
}

.philosophy-points {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.philosophy-point {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  transition: transform var(--transition-base);
}

.philosophy-point:hover {
  transform: translateY(-2px);
}

.philosophy-point i {
  color: var(--primary-color);
  font-size: var(--font-size-lg);
}

/* ===== PROJECTS SECTION ===== */
.projects {
  padding: var(--spacing-4xl) 0;
  background: var(--bg-secondary);
}

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

.project-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.project-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

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

.project-link {
  width: 60px;
  height: 60px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 2px solid var(--glass-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  font-size: var(--font-size-xl);
  transition: all var(--transition-base);
}

.project-link:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  transform: scale(1.1);
}

.project-content {
  padding: var(--spacing-2xl);
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.tech-tag {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--primary-color);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: 500;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-content h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.project-content p {
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.project-buttons {
  display: flex;
  gap: var(--spacing-md);
}

.project-buttons .btn {
  flex: 1;
  justify-content: center;
}

/* ===== CERTIFICATES SECTION ===== */
.certificates {
  padding: var(--spacing-4xl) 0;
}

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

.certificate-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
}

.certificate-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.certificate-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.certificate-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.certificate-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  color: white;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.certificate-card:hover .certificate-overlay {
  opacity: 1;
}

.certificate-overlay i {
  font-size: var(--font-size-2xl);
}

.certificate-content {
  padding: var(--spacing-xl);
}

.certificate-content h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.certificate-content p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.certificate-meta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.certificate-meta span {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
}

.certificate-meta i {
  color: var(--primary-color);
}

/* Certificate Modal */
.certificate-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-index-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
}

.modal-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  background: var(--bg-primary);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 40px;
  height: 40px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: none;
  border-radius: 50%;
  color: var(--text-primary);
  font-size: var(--font-size-lg);
  cursor: pointer;
  z-index: 1;
  transition: all var(--transition-base);
}

.modal-close:hover {
  background: var(--error-color);
  color: white;
}

.modal-content img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== CONTACT SECTION ===== */
.contact {
  padding: var(--spacing-4xl) 0;
  background: var(--bg-secondary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
}

.contact-info h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-lg);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-info p {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  transition: transform var(--transition-base);
}

.contact-method:hover {
  transform: translateX(5px);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-lg);
}

.contact-details h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.contact-details a,
.contact-details span {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

.social-links h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.social-icons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.social-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition-base);
  font-weight: 500;
}

.social-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.social-link.linkedin:hover {
  background: #0077b5;
  color: white;
  border-color: #0077b5;
}

.social-link.gmail:hover {
  background: #ea4335;
  color: white;
  border-color: #ea4335;
}

.social-link.whatsapp:hover {
  background: #25d366;
  color: white;
  border-color: #25d366;
}

.social-link.instagram:hover {
  background: linear-gradient(45deg, #f09433 0%,#e6683c 25%,#dc2743 50%,#cc2366 75%,#bc1888 100%);
  color: white;
  border-color: #bc1888;
}

.social-link i {
  font-size: var(--font-size-lg);
}

/* Contact Form */
.contact-form-container h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-xl);
  text-align: center;
  color: var(--text-primary);
}

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

.form-group {
  position: relative;
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) var(--spacing-3xl);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 2px solid var(--glass-border);
  border-radius: 12px;
  font-size: var(--font-size-base);
  font-family: var(--font-primary);
  color: var(--text-primary);
  transition: all var(--transition-base);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group i {
  position: absolute;
  top: 50%;
  left: var(--spacing-md);
  transform: translateY(-50%);
  color: var(--text-tertiary);
  font-size: var(--font-size-lg);
  pointer-events: none;
}

.form-group:has(textarea) i {
  top: var(--spacing-2xl);
  transform: none;
}

.btn-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.btn.loading {
  pointer-events: none;
  color: transparent;
}

.btn.loading .btn-loading {
  opacity: 1;
  visibility: visible;
}

.btn-loading .loading-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  margin: 0;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-primary);
  padding: var(--spacing-4xl) 0 var(--spacing-xl) 0;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-4xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-brand h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-brand p {
  color: var(--text-secondary);
  line-height: 1.8;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2xl);
}

.footer-section h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

.footer-divider {
  height: 1px;
  background: var(--border-color);
  margin-bottom: var(--spacing-xl);
}

.footer-bottom-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-bottom-content p {
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: var(--font-size-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: var(--z-index-fixed);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

/* ===== TOAST NOTIFICATION ===== */
.toast {
  position: fixed;
  bottom: var(--spacing-xl);
  left: var(--spacing-xl);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: var(--spacing-lg);
  box-shadow: var(--glass-shadow);
  z-index: var(--z-index-tooltip);
  transform: translateX(-100%);
  opacity: 0;
  transition: all var(--transition-base);
}

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

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

.toast-icon {
  font-size: var(--font-size-lg);
}

.toast.success .toast-icon {
  color: var(--success-color);
}

.toast.error .toast-icon {
  color: var(--error-color);
}

.toast-message {
  font-size: var(--font-size-sm);
  font-weight: 500;
}

/* ===== RESPONSIVE DESIGN ===== */

/* Large Desktop */
@media (max-width: 1400px) {
  .hero-title {
    font-size: var(--font-size-5xl);
  }
  
  .profile-background {
    width: 280px;
    height: 280px;
  }
}

/* Desktop */
@media (max-width: 1200px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .hero-content,
  .about-content,
  .contact-content {
    gap: var(--spacing-2xl);
  }
  
  .floating-elements {
    width: 400px;
    height: 400px;
  }
  
  .floating-icon {
    width: 50px;
    height: 50px;
    font-size: var(--font-size-lg);
  }
}

/* Tablet */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: var(--spacing-4xl);
    gap: var(--spacing-xl);
    transition: left var(--transition-base);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-3xl);
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .hero-buttons {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
  }
  
  .profile-background {
    width: 250px;
    height: 250px;
  }
  
  .floating-elements {
    width: 320px;
    height: 320px;
  }
  
  .projects-grid,
  .certificates-grid {
    grid-template-columns: 1fr;
  }
  
  .skills-categories {
    grid-template-columns: 1fr;
  }
  
  .social-icons {
    grid-template-columns: 1fr;
  }
  
  .philosophy-points {
    grid-template-columns: 1fr;
  }
}

/* Mobile */
@media (max-width: 480px) {
  :root {
    --spacing-4xl: 3rem;
    --spacing-3xl: 2.5rem;
    --spacing-2xl: 2rem;
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .glass-card {
    padding: var(--spacing-lg);
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
  
  .project-buttons {
    flex-direction: column;
  }
  
  .profile-background {
    width: 200px;
    height: 200px;
  }
  
  .floating-elements {
    display: none;
  }
  
  .toast {
    left: var(--spacing-md);
    right: var(--spacing-md);
    bottom: var(--spacing-md);
  }
  
  .modal-content {
    max-width: 95vw;
  }
  
  .back-to-top {
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 45px;
    height: 45px;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
  
  .nav-brand h2 {
    font-size: var(--font-size-xl);
  }
}

/* Extra Small Mobile */
@media (max-width: 320px) {
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .typing-text {
    font-size: var(--font-size-xl);
  }
  
  .profile-background {
    width: 180px;
    height: 180px;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .navbar,
  .back-to-top,
  .cursor-follower,
  .loading-screen,
  #webglCanvas,
  .toast {
    display: none !important;
  }
  
  .hero-scroll-indicator,
  .floating-elements {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .glass-card {
    background: white !important;
    border: 1px solid #ccc !important;
    box-shadow: none !important;
  }
  
  .section-title {
    color: black !important;
  }
  
  a {
    color: black !important;
  }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .floating-icon {
    animation: none !important;
  }
}

@media (prefers-contrast: high) {
  :root {
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(0, 0, 0, 0.5);
    --text-secondary: #333;
    --text-tertiary: #555;
  }
  
  [data-theme="dark"] {
    --glass-bg: rgba(0, 0, 0, 0.9);
    --glass-border: rgba(255, 255, 255, 0.5);
    --text-secondary: #ccc;
    --text-tertiary: #aaa;
  }
}

/* ===== FOCUS STYLES ===== */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
}

/* ===== DARK MODE SPECIFIC ADJUSTMENTS ===== */
[data-theme="dark"] .loading-screen {
  background: var(--bg-primary);
}

[data-theme="dark"] .loading-spinner {
  border-color: var(--border-color);
  border-top-color: var(--primary-color);
}

[data-theme="dark"] .hero-scroll-indicator,
[data-theme="dark"] .scroll-arrow::after {
  color: var(--text-tertiary);
  border-color: var(--text-tertiary);
}

[data-theme="dark"] .skill-bar {
  background: var(--border-color);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
  background: var(--glass-bg);
  color: var(--text-primary);
}

[data-theme="dark"] .modal-content {
  background: var(--bg-secondary);
}

/* ===== CUSTOM SCROLLBAR FOR FIREFOX ===== */
html {
  scrollbar-width: thin;
  scrollbar-color: var(--primary-color) var(--bg-secondary);
}

/* ===== HIGH PERFORMANCE OPTIMIZATIONS ===== */
.glass-card,
.project-card,
.certificate-card,
.skill-item {
  will-change: transform;
  transform: translateZ(0);
}

.hero-image,
.profile-container {
  will-change: transform;
  transform: translateZ(0);
}

/* ===== ADDITIONAL UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.m-0 { margin: 0; }
.mt-auto { margin-top: auto; }
.mb-auto { margin-bottom: auto; }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

.p-0 { padding: 0; }

.position-relative { position: relative; }
.position-absolute { position: absolute; }
.position-fixed { position: fixed; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

.rounded { border-radius: 12px; }
.rounded-full { border-radius: 50%; }

.shadow-sm { box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); }
.shadow-md { box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12); }
.shadow-lg { box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15); }

.transition-all { transition: all var(--transition-base); }
.transition-fast { transition: all var(--transition-fast); }
.transition-slow { transition: all var(--transition-slow); }