/* ==========================================
   PREMIUM PORTFOLIO CSS
   Modern, Animated, Premium Design
   ========================================== */

/* Custom Properties */
:root {
  /* Colors */
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --secondary: #06b6d4;
  --secondary-light: #22d3ee;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  
  /* Neutral Colors - Light Mode */
  --neutral-50: #fafafa;
  --neutral-100: #f5f5f5;
  --neutral-200: #e5e5e5;
  --neutral-300: #d4d4d4;
  --neutral-400: #a3a3a3;
  --neutral-500: #737373;
  --neutral-600: #525252;
  --neutral-700: #404040;
  --neutral-800: #262626;
  --neutral-900: #171717;
  
  /* Semantic Colors */
  --bg-primary: var(--neutral-50);
  --bg-secondary: #ffffff;
  --bg-tertiary: var(--neutral-100);
  --text-primary: var(--neutral-900);
  --text-secondary: var(--neutral-700);
  --text-muted: var(--neutral-500);
  --border-light: var(--neutral-200);
  --border-medium: var(--neutral-300);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  
  /* Glass Effects */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  
  /* Animations */
  --duration-fast: 0.15s;
  --duration-normal: 0.3s;
  --duration-slow: 0.5s;
  --duration-slower: 0.75s;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Z-Index */
  --z-tooltip: 10;
  --z-fixed: 50;
  --z-overlay: 100;
  --z-modal: 1000;
}

/* Dark Mode */
[data-theme="dark"] {
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --bg-tertiary: #1a1a1a;
  --text-primary: var(--neutral-50);
  --text-secondary: var(--neutral-300);
  --text-muted: var(--neutral-400);
  --border-light: var(--neutral-800);
  --border-medium: var(--neutral-700);
  --glass-bg: rgba(20, 20, 20, 0.3);
  --glass-border: rgba(255, 255, 255, 0.1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--duration-normal) var(--ease-out),
              color var(--duration-normal) var(--ease-out);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: var(--radius-full);
}

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

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

/* Preloader */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity var(--duration-slow) var(--ease-out);
}

.preloader.fade-out {
  opacity: 0;
  pointer-events: none;
}

.preloader-content {
  text-align: center;
  color: white;
}

.logo-loader {
  position: relative;
  margin-bottom: var(--space-lg);
}

.logo-loader .logo-text {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.logo-pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: translate(-50%, -50%) scale(0.5);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) scale(1.5);
    opacity: 0;
  }
}

.loading-text {
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
  opacity: 0.9;
}

.loading-bar {
  width: 200px;
  height: 3px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: 0 auto;
}

.loading-progress {
  height: 100%;
  background: white;
  border-radius: var(--radius-full);
  animation: loading 2s ease-in-out infinite;
}

@keyframes loading {
  0% {
    width: 0%;
  }
  50% {
    width: 70%;
  }
  100% {
    width: 100%;
  }
}

/* Custom Cursor */
.custom-cursor {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
}

.cursor-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all var(--duration-fast) var(--ease-out);
}

.cursor-ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 32px;
  height: 32px;
  border: 2px solid var(--primary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all var(--duration-normal) var(--ease-out);
  opacity: 0.5;
}

.magnetic:hover ~ .custom-cursor .cursor-ring {
  transform: translate(-50%, -50%) scale(1.5);
  opacity: 1;
}

/* Background Canvas */
.background-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

#particle-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.7;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 300px;
  height: 300px;
  background: linear-gradient(45deg, var(--primary), var(--secondary));
  top: 10%;
  right: 10%;
  animation-delay: 0s;
}

.orb-2 {
  width: 200px;
  height: 200px;
  background: linear-gradient(45deg, var(--accent), var(--primary));
  bottom: 20%;
  left: 15%;
  animation-delay: 7s;
}

.orb-3 {
  width: 150px;
  height: 150px;
  background: linear-gradient(45deg, var(--secondary), var(--accent));
  top: 60%;
  right: 30%;
  animation-delay: 14s;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  33% {
    transform: translate(30px, -30px) rotate(120deg);
  }
  66% {
    transform: translate(-20px, 20px) rotate(240deg);
  }
}

.noise-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='1' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: var(--z-fixed);
}

#theme-button {
  width: 60px;
  height: 32px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  position: relative;
  transition: all var(--duration-normal) var(--ease-out);
}

#theme-button:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.toggle-track {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
  position: relative;
  overflow: hidden;
}

.toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 28px;
  height: 28px;
  background: white;
  border-radius: 50%;
  transition: all var(--duration-normal) var(--ease-bounce);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

[data-theme="dark"] .toggle-thumb {
  transform: translateX(28px);
  background: var(--neutral-800);
}

.sun-icon,
.moon-icon {
  position: absolute;
  font-size: 14px;
  transition: all var(--duration-normal) var(--ease-out);
}

.sun-icon {
  color: #f59e0b;
  opacity: 1;
}

.moon-icon {
  color: #6366f1;
  opacity: 0;
}

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

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

/* Navigation */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-fixed);
  padding: var(--space-md) 0;
  transition: all var(--duration-normal) var(--ease-out);
}

.main-nav.scrolled {
  padding: var(--space-sm) 0;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

.nav-blur {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.main-nav.scrolled .nav-blur {
  opacity: 1;
}

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

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.logo-text {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.05em;
}

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

@keyframes pulse-dot {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.7;
  }
}

.menu {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.menu li a {
  position: relative;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  transition: all var(--duration-normal) var(--ease-out);
  overflow: hidden;
}

.menu li a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left var(--duration-slower) var(--ease-out);
}

.menu li a:hover::before {
  left: 100%;
}

.menu li a:hover {
  color: var(--primary);
  transform: translateY(-2px);
}

.menu li.active a {
  color: var(--primary);
  background: rgba(var(--primary), 0.1);
}

.glass-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  position: relative;
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

.glass-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.button-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
  border-radius: var(--radius-full);
}

.glass-button:hover .button-glow {
  opacity: 0.1;
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: var(--space-xs);
  z-index: var(--z-modal);
}

.line {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-out);
}

.mobile-menu-btn.active .line-1 {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active .line-2 {
  opacity: 0;
}

.mobile-menu-btn.active .line-3 {
  transform: rotate(-45deg) translate(6px, -6px);
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }
  
  .menu-container {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--border-light);
    padding: var(--space-3xl) var(--space-lg) var(--space-lg);
    transition: right var(--duration-slow) var(--ease-out);
    z-index: var(--z-overlay);
  }
  
  .menu-container.active {
    right: 0;
  }
  
  .menu {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
  }
  
  .menu li a {
    display: block;
    padding: var(--space-md);
    border-radius: var(--radius-lg);
  }
  
  .nav-cta {
    display: none;
  }
}

.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  z-index: calc(var(--z-overlay) - 1);
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: var(--space-3xl) 0;
  overflow: hidden;
}

.hero-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  animation: slideInUp 0.6s var(--ease-out) 0.2s both;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  animation: pulse-green 2s ease-in-out infinite;
}

@keyframes pulse-green {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
  }
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.05em;
  margin-bottom: var(--space-lg);
}

.title-line {
  display: block;
  animation: slideInUp 0.8s var(--ease-out) 0.4s both;
}

.title-line:nth-child(2) {
  animation-delay: 0.6s;
}

.name-highlight {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.title-underline {
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: var(--radius-full);
  margin-top: var(--space-sm);
  animation: expandWidth 1s var(--ease-out) 1s both;
}

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

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  font-family: var(--font-mono);
  min-height: 2.5rem;
  animation: slideInUp 0.8s var(--ease-out) 0.8s both;
}

.typed-text {
  color: var(--primary);
}

.typing-cursor {
  color: var(--primary);
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 50% {
    opacity: 1;
  }
  51%, 100% {
    opacity: 0;
  }
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
  max-width: 500px;
  animation: slideInUp 0.8s var(--ease-out) 1s both;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  animation: slideInUp 0.8s var(--ease-out) 1.2s both;
}

.primary-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-xl);
  background: var(--primary);
  color: white;
  text-decoration: none;
  font-weight: 600;
  border-radius: var(--radius-full);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  border: none;
  cursor: pointer;
}

.primary-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(var(--primary), 0.4);
}

.button-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, var(--primary), var(--primary-light));
  transition: transform var(--duration-normal) var(--ease-out);
  z-index: -1;
}

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

.button-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}

.secondary-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-xl);
  background: transparent;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  border: 2px solid var(--border-medium);
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-out);
}

.secondary-button:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.secondary-button i {
  transition: transform var(--duration-normal) var(--ease-out);
}

.secondary-button:hover i {
  transform: translateX(4px);
}

.social-links {
  display: flex;
  gap: var(--space-md);
  animation: slideInUp 0.8s var(--ease-out) 1.4s both;
}

.social-link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-out);
  overflow: hidden;
}

.social-link::before {
  content: attr(data-text);
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-xs) var(--space-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  transition: all var(--duration-normal) var(--ease-out);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-tooltip);
}

.social-link:hover::before {
  bottom: -35px;
  opacity: 1;
}

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

/* Hero Visual */
.hero-visual {
  position: relative;
  animation: slideInRight 1s var(--ease-out) 0.6s both;
}

.profile-container {
  position: relative;
  max-width: 500px;
  margin: 0 auto;
}

.profile-image-wrapper {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  padding: 4px;
}

.profile-glow {
  position: absolute;
  top: -20%;
  left: -20%;
  width: 140%;
  height: 140%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.3;
  animation: pulse-glow 4s ease-in-out infinite;
  z-index: -1;
}

@keyframes pulse-glow {
  0%, 100% {
    transform: scale(1);
    opacity: 0.3;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.5;
  }
}

.profile-image {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-2xl);
  transition: transform var(--duration-slow) var(--ease-out);
}

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

.profile-border {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  pointer-events: none;
}

.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.floating-card {
  position: absolute;
  padding: var(--space-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
}

.tech-card {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
}

.tech-card:nth-child(1) {
  top: 10%;
  right: -10%;
  animation: float 6s ease-in-out infinite;
  animation-delay: 0s;
}

.tech-card:nth-child(2) {
  top: 30%;
  left: -10%;
  animation: float 6s ease-in-out infinite;
  animation-delay: 1.5s;
}

.tech-card:nth-child(3) {
  bottom: 30%;
  right: -5%;
  animation: float 6s ease-in-out infinite;
  animation-delay: 3s;
}

.tech-card:nth-child(4) {
  bottom: 10%;
  left: -5%;
  animation: float 6s ease-in-out infinite;
  animation-delay: 4.5s;
}

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

.scroll-line {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, var(--primary), transparent);
  border-radius: var(--radius-full);
  animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateY(10px);
    opacity: 0.5;
  }
}

.scroll-text {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 2px;
  font-weight: 500;
}

/* Section Base */
section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(var(--primary), 0.1);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-md);
}

.title-word {
  display: inline-block;
  animation: slideInUp 0.6s var(--ease-out) both;
}

.title-word:nth-child(2) {
  animation-delay: 0.1s;
}

.title-word:nth-child(3) {
  animation-delay: 0.2s;
}

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

/* About Section */
.about {
  background: var(--bg-secondary);
}

.about-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-image-container {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  margin-bottom: var(--space-xl);
}

.image-glow {
  position: absolute;
  top: -10%;
  left: -10%;
  width: 120%;
  height: 120%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.2;
  z-index: -1;
}

.about-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-2xl);
  transition: transform var(--duration-slow) var(--ease-out);
}

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

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(var(--primary), 0.1), rgba(var(--secondary), 0.1));
  border-radius: var(--radius-2xl);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.stat-card {
  text-align: center;
  padding: var(--space-lg);
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  transition: all var(--duration-normal) var(--ease-out);
}

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

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: var(--space-xs);
  font-family: var(--font-mono);
}

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

.about-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.lead-text {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.6;
}

.about-text p {
  color: var(--text-muted);
  line-height: 1.7;
}

.info-tabs {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.tab-nav {
  display: flex;
  border-bottom: 1px solid var(--border-light);
}

.tab-btn {
  flex: 1;
  padding: var(--space-md);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
}

.tab-btn.active {
  color: var(--primary);
  background: rgba(var(--primary), 0.05);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
}

.tab-content {
  padding: var(--space-lg);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.3s var(--ease-out);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.journey-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.timeline-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.timeline-dot {
  width: 12px;
  height: 12px;
  background: var(--primary);
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}

.timeline-content h4 {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

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

.timeline-content p {
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

.skills-preview {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.skill-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.skill-level {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(var(--primary), 0.1);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
}

.values-grid {
  display: grid;
  gap: var(--space-lg);
}

.value-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.value-item i {
  width: 40px;
  height: 40px;
  background: rgba(var(--primary), 0.1);
  color: var(--primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.value-item h4 {
  margin-bottom: var(--space-xs);
}

.value-item p {
  color: var(--text-muted);
}

.download-cv {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--duration-normal) var(--ease-out);
}

.download-cv:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
  color: var(--primary);
}

/* Skills Section */
.skills-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

.skill-category {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  border: 1px solid var(--border-light);
  transition: all var(--duration-normal) var(--ease-out);
}

.skill-category:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

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

.category-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.category-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
}

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

.skill-item {
  position: relative;
}

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

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

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

.skill-bar {
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.skill-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: var(--radius-full);
  width: 0;
  transition: width 1.5s var(--ease-out);
  position: relative;
}

.skill-progress::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: shimmer 2s ease-in-out infinite;
}

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

/* Projects Section */
.projects-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.projects-filter {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--space-sm) var(--space-lg);
  background: transparent;
  border: 2px solid var(--border-medium);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.project-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--primary);
}

.project-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

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

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(var(--primary), 0.9), rgba(var(--secondary), 0.8));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

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

.project-links {
  display: flex;
  gap: var(--space-md);
}

.project-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border-radius: 50%;
  color: white;
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-out);
}

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

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

.project-category {
  font-size: 0.875rem;
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-sm);
}

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

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

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.tech-tag {
  padding: var(--space-xs) var(--space-sm);
  background: rgba(var(--primary), 0.1);
  color: var(--primary);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 600;
}

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

.view-all-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--duration-normal) var(--ease-out);
}

.view-all-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
  color: var(--primary);
}

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

/* Experience Section */
.experience {
  background: var(--bg-secondary);
}

.experience-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.timeline {
  position: relative;
  padding: var(--space-xl) 0;
}

.timeline-track {
  position: absolute;
  left: 50%;
  top: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, var(--primary), var(--secondary));
  transform: translateX(-50%);
}

.experience-item {
  position: relative;
  margin-bottom: var(--space-3xl);
  display: flex;
  align-items: center;
}

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

.experience-dot {
  position: absolute;
  left: 50%;
  width: 20px;
  height: 20px;
  background: var(--primary);
  border-radius: 50%;
  transform: translateX(-50%);
  border: 4px solid var(--bg-secondary);
  z-index: 2;
}

.experience-card {
  width: 45%;
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  border: 1px solid var(--border-light);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
}

.experience-card::before {
  content: '';
  position: absolute;
  top: 40px;
  width: 0;
  height: 0;
  border: 15px solid transparent;
}

.experience-item:nth-child(odd) .experience-card::before {
  right: -30px;
  border-left-color: var(--bg-primary);
}

.experience-item:nth-child(even) .experience-card::before {
  left: -30px;
  border-right-color: var(--bg-primary);
}

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

.experience-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

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

.experience-meta {
  flex: 1;
}

.experience-meta h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.experience-meta h4 {
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

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

.experience-type {
  font-size: 0.75rem;
  background: rgba(var(--primary), 0.1);
  color: var(--primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  font-weight: 600;
}

.experience-description {
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.experience-achievements {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.achievement {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
}

.achievement i {
  color: var(--primary);
  width: 16px;
}

/* Contact Section */
.contact-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-intro {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

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

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

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

.method-content h4 {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.method-content a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-out);
}

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

.social-networks h4 {
  margin-bottom: var(--space-md);
}

.contact-form {
  background: var(--bg-secondary);
  border-radius: var(--radius-2xl);
  padding: var(--space-3xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-xl);
}

.form-group {
  margin-bottom: var(--space-xl);
  position: relative;
}

.form-group label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md) 0;
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--border-medium);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all var(--duration-normal) var(--ease-out);
  resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-bottom-color: var(--primary);
}

.input-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width var(--duration-normal) var(--ease-out);
}

.form-group input:focus + .input-line,
.form-group textarea:focus + .input-line {
  width: 100%;
}

.submit-btn {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-xl);
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(var(--primary), 0.4);
}

.submit-btn .button-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, var(--primary), var(--primary-light));
  transition: transform var(--duration-normal) var(--ease-out);
  z-index: -1;
}

.submit-btn:hover .button-bg {
  transform: scale(1.05);
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

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

.footer-brand p {
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 400px;
}

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

.link-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.link-group h4 {
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.link-group a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-out);
}

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

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

.footer-bottom p {
  color: var(--text-muted);
}

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

.footer-social .social-link {
  width: 40px;
  height: 40px;
  font-size: 1rem;
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--duration-normal) var(--ease-out);
  z-index: var(--z-fixed);
  box-shadow: var(--shadow-lg);
}

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

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

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

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

/* Responsive Design */
@media (max-width: 1200px) {
  .hero-container,
  .about-container,
  .contact-container {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .timeline-track {
    left: 30px;
  }
  
  .experience-dot {
    left: 30px;
    transform: none;
  }
  
  .experience-item,
  .experience-item:nth-child(even) {
    flex-direction: row;
    padding-left: 60px;
  }
  
  .experience-card {
    width: 100%;
  }
  
  .experience-card::before,
  .experience-item:nth-child(even) .experience-card::before {
    left: -30px;
    right: auto;
    border-right-color: var(--bg-primary);
    border-left-color: transparent;
  }
}

@media (max-width: 768px) {
  :root {
    --space-xs: 0.25rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
  }
  
  .hero {
    padding: var(--space-2xl) 0;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .primary-button,
  .secondary-button {
    width: 100%;
    justify-content: center;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-main {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
  
  .floating-card {
    display: none;
  }
  
  .theme-toggle {
    top: var(--space-md);
    right: var(--space-md);
  }
  
  .back-to-top {
    bottom: var(--space-md);
    right: var(--space-md);
    width: 45px;
    height: 45px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .contact-form {
    padding: var(--space-xl);
  }
  
  .projects-filter {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: var(--space-sm);
  }
  
  .filter-btn {
    white-space: nowrap;
  }
}

/* Utility Classes */
.magnetic {
  transition: transform var(--duration-normal) var(--ease-out);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}