/* ===== CSS VARIABLES ===== */
:root {
  /* Colors */
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #ec4899;
  --accent: #06b6d4;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  
  /* Background */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --bg-card: rgba(255, 255, 255, 0.05);
  --bg-glass: rgba(255, 255, 255, 0.1);
  
  /* Text */
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-text: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  
  /* Shadows */
  --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-glow: 0 0 20px rgba(99, 102, 241, 0.3);
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== PARTICLE BACKGROUND ===== */
#particles-js {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-md) var(--space-xl);
  transition: all var(--transition-normal);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header.scrolled {
  background: rgba(10, 10, 10, 0.95);
  box-shadow: var(--shadow-lg);
}

.logo {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  transition: all var(--transition-normal);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-glass);
  transform: translateY(-1px);
}

.nav-link.active {
  color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
}

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

.menu-toggle {
  display: none;
  cursor: pointer;
  font-size: 1.25rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  padding: var(--space-sm);
  border-radius: var(--radius-md);
}

.menu-toggle:hover {
  color: var(--text-primary);
  background: var(--bg-glass);
}

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

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  width: 100%;
}

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

.greeting {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.wave {
  font-size: 1.5rem;
  animation: wave 2s ease-in-out infinite;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
}

.name-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 3s ease-in-out infinite;
}

.typing-text {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  min-height: 2rem;
}

.typing {
  display: inline-block;
  border-right: 2px solid var(--primary);
  animation: blink 1s infinite;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

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

.btn-secondary:hover {
  background: var(--bg-card);
  transform: translateY(-2px);
}

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

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--bg-glass);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-normal);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-link:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* ===== HERO IMAGE ===== */
.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 1s ease-out 0.3s both;
}

.image-container {
  position: relative;
  width: 400px;
  height: 400px;
}

.profile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid transparent;
  background: var(--gradient-primary);
  background-clip: padding-box;
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  animation: float 6s ease-in-out infinite;
}

.image-glow {
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  background: var(--gradient-primary);
  border-radius: 50%;
  opacity: 0.3;
  filter: blur(20px);
  animation: pulse 4s ease-in-out infinite;
}

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

.floating-icon {
  position: absolute;
  width: 60px;
  height: 60px;
  background: var(--bg-card);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
  box-shadow: var(--shadow-lg);
  animation: floatIcon 4s ease-in-out infinite;
  animation-delay: var(--delay);
}

.floating-icon:nth-child(1) { top: 10%; right: 10%; }
.floating-icon:nth-child(2) { top: 20%; left: 5%; }
.floating-icon:nth-child(3) { bottom: 20%; right: 5%; }
.floating-icon:nth-child(4) { bottom: 10%; left: 10%; }

.scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.scroll-arrow {
  width: 40px;
  height: 40px;
  background: var(--bg-glass);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== SECTIONS ===== */
.section {
  padding: var(--space-3xl) var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
}

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

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.service-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card::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 0.5s;
}

.service-card:hover::before {
  left: 100%;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  border-color: var(--primary);
}

.service-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  font-size: 2rem;
  color: white;
}

.service-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.service-card p {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.service-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

.feature-tag {
  background: var(--bg-glass);
  color: var(--primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

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

.project-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-normal);
  position: relative;
}

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

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

.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, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

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

.project-link {
  width: 50px;
  height: 50px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: all var(--transition-normal);
}

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

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

.project-content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

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

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

.tech-tag {
  background: var(--bg-glass);
  color: var(--text-primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.stat-item {
  text-align: center;
  padding: var(--space-xl);
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
}

.stat-label {
  color: var(--text-secondary);
  font-weight: 500;
}

/* ===== SKILLS ===== */
.skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.skill {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all var(--transition-normal);
}

.skill:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

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

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

.skill-percent {
  color: var(--primary);
  font-weight: 700;
  font-size: 1.125rem;
}

.skill-bar {
  background: var(--bg-glass);
  height: 12px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.skill-value {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.skill-value::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

/* ===== EDUCATION ===== */
.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-xl);
}

.education-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  display: flex;
  gap: var(--space-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.education-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
  transition: left 0.5s;
}

.education-card:hover::before {
  left: 100%;
}

.education-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.education-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  flex-shrink: 0;
}

.education-content {
  flex: 1;
}

.education-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.education-institution {
  color: var(--primary);
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: var(--space-xs);
}

.education-year {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
}

.education-description {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-xl);
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.testimonial-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
  transition: left 0.5s;
}

.testimonial-card:hover::before {
  left: 100%;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.testimonial-content {
  position: relative;
  z-index: 1;
}

.quote-icon {
  color: var(--primary);
  font-size: 2rem;
  margin-bottom: var(--space-md);
  opacity: 0.7;
}

.testimonial-text {
  color: var(--text-primary);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: var(--space-xl);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.author-info h4 {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.author-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.rating {
  display: flex;
  gap: var(--space-xs);
}

.rating i {
  color: #fbbf24;
  font-size: 0.9rem;
}

/* ===== CONTACT ===== */
.form-contacto {
  max-width: 600px;
  margin: 0 auto;
  display: grid;
  gap: var(--space-lg);
}

.form-contacto input,
.form-contacto textarea {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all var(--transition-normal);
}

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

.form-contacto textarea {
  min-height: 120px;
  resize: vertical;
}

.form-contacto button {
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.form-contacto button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* ===== FOOTER ===== */
footer {
  background: var(--bg-secondary);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  color: var(--text-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== SCROLL TOP ===== */
.scroll-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  z-index: 1000;
}

.scroll-top:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.scroll-top.show {
  display: flex;
}

/* ===== 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 wave {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(20deg); }
  75% { transform: rotate(-10deg); }
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes blink {
  0%, 50% { border-color: var(--primary); }
  51%, 100% { border-color: transparent; }
}

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

@keyframes floatIcon {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(5deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.05); }
}

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

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .image-container {
    width: 300px;
    height: 300px;
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 80px;
    right: var(--space-md);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    flex-direction: column;
    gap: var(--space-md);
    display: none;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    min-width: 200px;
  }
  
  .nav.active {
    display: flex;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .hero {
    padding: var(--space-2xl) var(--space-md);
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .section {
    padding: var(--space-2xl) var(--space-md);
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .services-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .skills {
    grid-template-columns: 1fr;
  }
  
  .education-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .education-card {
    flex-direction: column;
    text-align: center;
  }
  
  .education-icon {
    align-self: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .image-container {
    width: 250px;
    height: 250px;
  }
  
  .floating-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  
  .btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.875rem;
  }
  
  .social-link {
    width: 40px;
    height: 40px;
  }
}