/* ===================================
   ROOT VARIABLES
   =================================== */
:root {
  /* Colors */
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary-color: #ec4899;
  --accent-color: #14b8a6;
  
  /* Grayscale */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Semantic Colors */
  --bg-primary: #ffffff;
  --bg-secondary: var(--gray-50);
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-600);
  --border-color: var(--gray-200);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Typography */
  --font-primary: 'Poppins', sans-serif;
  --font-display: 'Playfair Display', serif;
  
  /* Effects */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

/* Dark Theme */
[data-theme="dark"] {
  --primary-color: #818cf8;
  --primary-dark: #6366f1;
  --primary-light: #a5b4fc;
  
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --border-color: #334155;
}

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

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

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

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

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

.highlight {
  color: var(--primary-color);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-full);
  font-weight: 500;
  font-size: 1rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

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

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

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

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

.btn-secondary:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

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

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

.section-tag {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-color);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

/* Particles Background */
#particles-js {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.6;
}

/* ===================================
   INTRO ANIMATION
   =================================== */
.intro-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 1s ease, visibility 1s ease;
}

.intro-container.fade-out {
  opacity: 0;
  visibility: hidden;
}

#macbook-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.loading-text {
  position: absolute;
  bottom: 15%;
  font-size: 2rem;
  color: white;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.loading-letter,
.loading-word {
  display: inline-block;
  animation: pulse 1.5s ease-in-out infinite;
}

.loading-letter:nth-child(1) { animation-delay: 0s; }
.loading-letter:nth-child(2) { animation-delay: 0.2s; }
.loading-letter:nth-child(3) { animation-delay: 0.4s; }
.loading-word { animation-delay: 0.6s; }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.95); }
}

.main-hidden {
  opacity: 0;
  visibility: hidden;
}

.main-visible {
  opacity: 1;
  visibility: visible;
  animation: fadeIn 1s ease forwards;
}

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

/* ===================================
   NAVIGATION
   =================================== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.25rem 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all var(--transition-base);
}

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

#navbar.scrolled {
  padding: 0.875rem 0;
  box-shadow: var(--shadow-md);
}

#navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
}

.logo-icon {
  color: var(--primary-color);
  font-weight: 800;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  position: relative;
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width var(--transition-base);
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.action-btn {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  font-size: 1.125rem;
}

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

.flag-icon {
  font-size: 1.25rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  width: 1.75rem;
  height: 1.75rem;
  cursor: pointer;
}

.menu-toggle span {
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-base);
  border-radius: var(--radius-sm);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translateY(9px);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-9px);
}
/* ===================================
   HERO SECTION
   =================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
  position: relative;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: rgba(99, 102, 241, 0.1);
  border-radius: var(--radius-full);
  color: var(--primary-color);
  font-size: 0.9375rem;
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

.tag-icon {
  font-size: 1.25rem;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  font-weight: 600;
}

.typing-text {
  border-right: 3px solid var(--primary-color);
  animation: blink 0.75s step-end infinite;
}

@keyframes blink {
  50% { border-color: transparent; }
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xl);
}

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

.social-link {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--text-primary);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-0.25rem);
}

/* Hero Visual */
.hero-visual {
  position: relative;
}

.visual-card {
  position: relative;
  background: var(--bg-secondary);
  border-radius: var(--radius-2xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-2xl);
}

.card-glow {
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: var(--radius-2xl);
  opacity: 0.5;
  filter: blur(20px);
  z-index: -1;
}

.code-preview {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.code-header {
  display: flex;
  gap: 0.5rem;
  padding: 1rem;
  background: rgba(99, 102, 241, 0.05);
}

.code-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--gray-400);
}

.code-dot:nth-child(1) { background: #ff5f56; }
.code-dot:nth-child(2) { background: #ffbd2e; }
.code-dot:nth-child(3) { background: #27c93f; }

.code-body {
  padding: 1.5rem;
  font-family: 'Fira Code', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-primary);
}

.code-keyword { color: #c678dd; }
.code-string { color: #98c379; }
.code-boolean { color: #d19a66; }

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
  animation: bounce 2s infinite;
}

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

.scroll-mouse {
  width: 1.5rem;
  height: 2.5rem;
  border: 2px solid var(--text-secondary);
  border-radius: 1rem;
  position: relative;
}

.scroll-wheel {
  width: 0.25rem;
  height: 0.5rem;
  background: var(--primary-color);
  border-radius: 0.25rem;
  position: absolute;
  top: 0.5rem;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll 1.5s infinite;
}

@keyframes scroll {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(0.75rem); }
}

/* ===================================
   ABOUT SECTION
   =================================== */
.about {
  background: var(--bg-secondary);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about-image {
  position: relative;
}

.image-wrapper {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
}

.image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
}

.image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.image-wrapper:hover .image-overlay {
  opacity: 1;
}

.image-decoration {
  position: absolute;
  inset: -1rem;
  border: 3px solid var(--primary-color);
  border-radius: var(--radius-2xl);
  opacity: 0.2;
  z-index: -1;
  transform: translate(1rem, 1rem);
}

.about-intro {
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

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

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

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

.about-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
}

.info-item i {
  color: var(--primary-color);
  font-size: 1.125rem;
}

/* ===================================
   SKILLS SECTION
   =================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.skill-category {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-base);
}

.skill-category:hover {
  transform: translateY(-0.5rem);
}

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

.category-header i {
  font-size: 2rem;
  color: var(--primary-color);
}

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

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

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.skill-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
}

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

.skill-bar {
  height: 0.5rem;
  background: var(--bg-primary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: var(--radius-full);
  transition: width 1s ease-out;
}

/* ===================================
   PROJECTS SECTION
   =================================== */
.projects {
  background: var(--bg-secondary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.project-card {
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
}

.project-card:hover {
  transform: translateY(-0.5rem);
  box-shadow: var(--shadow-2xl);
}

.project-image {
  position: relative;
  height: 240px;
  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;
  inset: 0;
  background: rgba(15, 23, 42, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.project-link {
  width: 4rem;
  height: 4rem;
  border-radius: var(--radius-full);
  background: white;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: all var(--transition-base);
}

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

.project-status {
  color: white;
  font-size: 1.25rem;
  font-weight: 600;
}

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

.project-header {
  margin-bottom: var(--spacing-sm);
}

.project-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--spacing-sm);
}

.project-tags span {
  padding: 0.25rem 0.75rem;
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-color);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
}

.project-content p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-2xl);
}

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

.contact-card {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.card-content h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.card-content p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.contact-socials {
  display: flex;
  gap: 1rem;
  margin-top: var(--spacing-md);
}

.contact-form-wrapper {
  background: var(--bg-secondary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
}

.form-group {
  position: relative;
  margin-bottom: var(--spacing-lg);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: all var(--transition-base);
}

.form-group textarea {
  min-height: 150px;
  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 label {
  position: absolute;
  top: 1rem;
  left: 1.25rem;
  color: var(--text-secondary);
  font-size: 1rem;
  pointer-events: none;
  transition: all var(--transition-base);
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
  top: -0.75rem;
  left: 1rem;
  font-size: 0.75rem;
  color: var(--primary-color);
  background: var(--bg-secondary);
  padding: 0 0.5rem;
}

.contact-form button {
  width: 100%;
}

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

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.footer p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .hero-visual {
    order: -1;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 5rem;
    left: -100%;
    width: 100%;
    height: calc(100vh - 5rem);
    background: var(--bg-primary);
    flex-direction: column;
    padding: var(--spacing-xl);
    gap: var(--spacing-lg);
    box-shadow: var(--shadow-2xl);
    transition: left var(--transition-base);
    z-index: 999;
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .hero {
    padding-top: 6rem;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-3xl: 3rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .loading-text {
    font-size: 1.5rem;
  }
}