/* Zen Modern Portfolio - Subtle Japanese Influence with American Minimalism */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100;200;300;400;500;600;700;800;900&family=Playfair+Display:wght@400;700;900&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  list-style: none;
}

:root {
  /* Zen Color Palette - Subtle and Modern */
  --zen-white: #fafafa;
  --soft-black: #1a1a1a;
  --charcoal: #2d2d2d;
  --muted-gray: #808080;
  --light-gray: #e5e5e5;
  --accent-red: #dc2626;  /* Subtle red accent - Japanese influence */
  --soft-pink: #fce7f3;    /* Very subtle pink */
  --aws-orange: #ff9900;
  --belden-purple: #8b5cf6;
  
  /* Design System */
  --bg-primary: var(--zen-white);
  --bg-secondary: #ffffff;
  --text-primary: var(--soft-black);
  --text-secondary: var(--muted-gray);
  --border-color: var(--light-gray);
  
  /* Typography */
  --font-main: 'Inter', -apple-system, sans-serif;
  --font-accent: 'Playfair Display', serif;
  
  /* Spacing - Golden Ratio inspired */
  --space-xs: 0.382rem;
  --space-sm: 0.618rem;
  --space-md: 1rem;
  --space-lg: 1.618rem;
  --space-xl: 2.618rem;
  --space-xxl: 4.236rem;
  
  /* Shadows - Soft and minimal */
  --shadow-subtle: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-medium: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-large: 0 8px 32px rgba(0,0,0,0.12);
  
  /* Transitions */
  --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Base Styles */
body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.618;
  overflow-x: hidden;
  position: relative;
}

/* Subtle Background Pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(220, 38, 38, 0.02) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(139, 92, 246, 0.02) 0%, transparent 50%),
    radial-gradient(circle at 50% 100%, rgba(255, 153, 0, 0.02) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* Container */
.container {
  display: none;
  opacity: 0;
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.active {
  display: block;
  animation: zenFadeIn 0.8s ease forwards;
  opacity: 1;
}

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

section {
  min-height: 100vh;
  width: 100%;
  position: absolute;
  left: 0;
  top: 0;
  padding: var(--space-xxl) 8rem;
}

/* Header - Clean and Centered */
.header-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
}

/* Decorative Circle - Subtle Japanese Touch */
.header-content::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(220, 38, 38, 0.03) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
  animation: subtle-pulse 6s ease-in-out infinite;
}

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

.left-header {
  display: none;
}

.right-header {
  width: 100%;
}

/* Typography with Zen Influence */
.greeting {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  position: relative;
  display: inline-block;
  padding: 0 var(--space-xl);
}

.greeting::before,
.greeting::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 50px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-red), transparent);
}

.greeting::before {
  left: 0;
}

.greeting::after {
  right: 0;
}

.name {
  font-family: var(--font-accent);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 900;
  letter-spacing: -2px;
  margin-bottom: var(--space-lg);
  line-height: 1;
}

.name .highlight {
  position: relative;
  display: inline-block;
}

.name .highlight::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: -10px;
  right: -10px;
  height: 8px;
  background: var(--accent-red);
  opacity: 0.2;
  transform: skew(-12deg);
}

.title-role {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 400;
}

.hero-description {
  max-width: 700px;
  margin: 0 auto var(--space-xxl);
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* Hero Stats - Minimal Cards */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-xxl);
  margin: var(--space-xxl) 0;
}

.stat-item {
  position: relative;
  padding: var(--space-lg);
  transition: var(--transition);
}

.stat-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60px;
  height: 2px;
  background: var(--accent-red);
  transition: var(--transition);
}

.stat-item:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.stat-item h3 {
  font-family: var(--font-accent);
  font-size: 2.5rem;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  font-weight: 700;
}

.stat-item p {
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.8rem;
}

/* Buttons - Modern with Subtle Accent */
.btn {
  padding: 14px 40px;
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 1px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
  border: 1px solid var(--text-primary);
  background: transparent;
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--text-primary);
  transition: var(--transition);
  z-index: -1;
}

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

.btn:hover::before {
  left: 0;
}

.btn-secondary {
  border-color: var(--accent-red);
  color: var(--accent-red);
}

.btn-secondary::before {
  background: var(--accent-red);
}

/* Social Links - Circular Minimal Design */
.social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-xxl);
}

.social-link {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  background: transparent;
}

.social-link:hover {
  background: var(--text-primary);
  border-color: var(--text-primary);
  transform: translateY(-4px) rotate(360deg);
}

.social-link i {
  color: var(--text-primary);
  font-size: 1.1rem;
  transition: var(--transition);
}

.social-link:hover i {
  color: var(--bg-primary);
}

/* Scroll Indicator - Zen Style */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
}

.scroll-indicator span {
  display: block;
  width: 20px;
  height: 30px;
  border: 1px solid var(--text-secondary);
  border-radius: 10px;
  margin: 0 auto 10px;
  position: relative;
}

.scroll-indicator span::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 6px;
  background: var(--accent-red);
  border-radius: 1px;
  animation: scroll-down 2s infinite;
}

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

.scroll-indicator p {
  color: var(--text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 3px;
}

/* About Section */
.about-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.about-text h3 {
  font-family: var(--font-accent);
  font-size: 2rem;
  margin-bottom: var(--space-xl);
  position: relative;
  display: inline-block;
}

.about-text h3::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-red);
  opacity: 0.3;
}

.about-text p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

/* Skills Grid - Clean Layout */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xxl);
}

.skill-category {
  background: var(--bg-secondary);
  padding: var(--space-xl);
  border-radius: 4px;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition);
  border: 1px solid transparent;
}

.skill-category:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-large);
  border-color: var(--accent-red);
  border-color: rgba(220, 38, 38, 0.2);
}

.skill-category h4 {
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: 10px;
}

.skill-category h4 i {
  color: var(--accent-red);
  opacity: 0.6;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.skill-tag {
  padding: var(--space-xs) var(--space-md);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 2px;
  font-size: 0.85rem;
  transition: var(--transition);
}

.skill-tag:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
  transform: translateY(-2px);
}

/* About Stats */
.about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xxl);
}

.stat-card {
  background: var(--bg-secondary);
  padding: var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition);
  position: relative;
  border-radius: 4px;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--aws-orange), var(--accent-red), var(--belden-purple));
  opacity: 0;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-large);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-card i {
  font-size: 2rem;
  color: var(--accent-red);
  opacity: 0.7;
  margin-bottom: var(--space-md);
}

/* Experience Timeline - Clean Design */
.timeline {
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  padding: var(--space-xl) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 100%;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: var(--space-xl);
  animation: fadeIn 0.6s ease;
}

.timeline-item:nth-child(odd) {
  left: 0;
  padding-right: var(--space-xxl);
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
  padding-left: var(--space-xxl);
}

.tl-icon {
  position: absolute;
  top: var(--space-xl);
  width: 50px;
  height: 50px;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.timeline-item:nth-child(odd) .tl-icon {
  right: -25px;
}

.timeline-item:nth-child(even) .tl-icon {
  left: -25px;
}

.aws-icon {
  background: var(--aws-orange) !important;
  border-color: var(--aws-orange) !important;
}

.belden-icon {
  background: var(--belden-purple) !important;
  border-color: var(--belden-purple) !important;
}

.tl-icon i {
  color: white;
  font-size: 1.2rem;
}

.tl-content {
  background: var(--bg-secondary);
  padding: var(--space-xl);
  box-shadow: var(--shadow-subtle);
  border-radius: 4px;
  transition: var(--transition);
}

.tl-content:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-large);
}

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

.timeline-item:nth-child(odd) .company-header {
  justify-content: flex-end;
}

.company-logo-wrapper {
  width: 60px;
  height: 50px;
  background: white;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  box-shadow: var(--shadow-subtle);
}

.company-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.company-name {
  font-family: var(--font-accent);
  font-size: 1.4rem;
  color: var(--text-primary);
}

.company-full {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-family: var(--font-main);
  font-weight: 400;
  margin-top: 2px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.tl-duration {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: var(--text-primary);
  color: var(--bg-primary);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-md);
}

.tl-content h3 {
  font-family: var(--font-accent);
  font-size: 1.4rem;
  margin-bottom: var(--space-sm);
}

.tl-content h4 {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 400;
  margin-bottom: var(--space-lg);
}

.tl-content ul li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
  text-align: left;
  line-height: 1.6;
}

.tl-content ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent-red);
  opacity: 0.5;
}

.tech-used {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.timeline-item:nth-child(odd) .tech-used {
  justify-content: flex-end;
}

.tech-used span {
  padding: 2px 10px;
  background: transparent;
  border: 1px solid var(--border-color);
  font-size: 0.75rem;
  border-radius: 2px;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xxl);
}

.project-card {
  background: var(--bg-secondary);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition);
  border-radius: 4px;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-large);
}

.project-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
}

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

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

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  opacity: 0;
  transition: var(--transition);
}

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

.project-link {
  width: 40px;
  height: 40px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.project-link:hover {
  transform: scale(1.2);
  background: var(--accent-red);
}

.project-link i {
  color: black;
  font-size: 1rem;
}

.project-link:hover i {
  color: white;
}

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

.project-content h3 {
  font-family: var(--font-accent);
  font-size: 1.3rem;
  margin-bottom: var(--space-md);
}

.project-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  font-size: 0.95rem;
}

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

.project-tech span {
  padding: 2px 8px;
  background: transparent;
  border: 1px solid var(--border-color);
  font-size: 0.75rem;
  border-radius: 2px;
}

/* Education Section */
.education-grid {
  max-width: 1000px;
  margin: 0 auto;
}

.main-education {
  background: var(--bg-secondary);
  padding: var(--space-xxl);
  box-shadow: var(--shadow-subtle);
  margin-bottom: var(--space-xxl);
  text-align: center;
  border-radius: 4px;
  position: relative;
}

.main-education::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-red), var(--belden-purple));
  opacity: 0.3;
}

.edu-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--space-xl);
  background: var(--bg-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border-color);
}

.edu-icon i {
  font-size: 1.8rem;
  color: var(--accent-red);
  opacity: 0.7;
}

.main-education h3 {
  font-family: var(--font-accent);
  font-size: 1.8rem;
  margin-bottom: var(--space-sm);
}

.main-education h4 {
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 400;
  margin-bottom: var(--space-md);
}

.edu-date {
  color: var(--accent-red);
  opacity: 0.7;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.8rem;
  margin-bottom: var(--space-xl);
}

.coursework {
  text-align: left;
  max-width: 700px;
  margin: 0 auto;
}

.coursework h5 {
  font-family: var(--font-accent);
  font-size: 1.2rem;
  margin-bottom: var(--space-md);
  text-align: center;
}

.coursework ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-sm);
}

.coursework li {
  color: var(--text-secondary);
  padding-left: var(--space-lg);
  position: relative;
  font-size: 0.95rem;
}

.coursework li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent-red);
  opacity: 0.5;
}

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

.achievement-card {
  background: var(--bg-secondary);
  padding: var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-subtle);
  border-radius: 4px;
  transition: var(--transition);
  position: relative;
}

.achievement-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-red);
  transform: scaleX(0);
  transition: var(--transition);
}

.achievement-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-large);
}

.achievement-card:hover::after {
  transform: scaleX(1);
}

.achievement-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-lg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.achievement-icon i {
  font-size: 1.5rem;
  color: white;
}

.achievement-card h4 {
  font-family: var(--font-accent);
  font-size: 1.3rem;
  margin-bottom: var(--space-sm);
}

.achievement-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.achievement-date {
  color: var(--accent-red);
  opacity: 0.7;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.75rem;
}

/* Contact Section */
.contact-container {
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xxl);
}

.contact-card {
  background: var(--bg-secondary);
  padding: var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-subtle);
  border-radius: 4px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: var(--accent-red);
  transition: var(--transition);
}

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

.contact-card:hover::before {
  left: 0;
}

.contact-card i {
  font-size: 1.8rem;
  color: var(--accent-red);
  opacity: 0.7;
  margin-bottom: var(--space-md);
}

.contact-card h3 {
  font-family: var(--font-accent);
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
}

.contact-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
}

.contact-link {
  color: var(--accent-red);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.75rem;
}

/* Main Title */
.main-title {
  text-align: center;
  margin-bottom: var(--space-xxl);
  position: relative;
}

.main-title h2 {
  font-family: var(--font-accent);
  font-size: clamp(2.5rem, 5vw, 3rem);
  margin-bottom: var(--space-sm);
}

.main-title h2 span {
  color: var(--accent-red);
  opacity: 0.8;
}

.section-subtitle {
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.8rem;
}

/* Navigation Controls */
.controls {
  position: fixed;
  z-index: 100;
  top: 50%;
  right: 30px;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.control {
  width: 44px;
  height: 44px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

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

.control i {
  color: var(--text-primary);
  font-size: 1.1rem;
  transition: var(--transition);
}

.control:hover i {
  color: var(--bg-primary);
}

.control.active-btn {
  background: var(--accent-red);
  border-color: var(--accent-red);
}

.control.active-btn i {
  color: white;
}

.control-tooltip {
  position: absolute;
  right: 55px;
  background: var(--text-primary);
  color: white;
  padding: var(--space-xs) var(--space-md);
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  border-radius: 2px;
}

.control:hover .control-tooltip {
  opacity: 1;
}

/* Theme Toggle */
.theme-btn {
  position: fixed;
  top: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  z-index: 1000;
}

.theme-btn:hover {
  transform: rotate(180deg);
  background: var(--text-primary);
  border-color: var(--text-primary);
}

.theme-btn i {
  color: var(--text-primary);
  font-size: 1.1rem;
  transition: var(--transition);
}

.theme-btn:hover i {
  color: var(--bg-primary);
}

/* Footer */
.footer {
  text-align: center;
  padding: var(--space-xxl) 0;
  border-top: 1px solid var(--border-color);
  margin-top: var(--space-xxl);
}

.footer p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
}

.footer-social a {
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-social a:hover {
  color: var(--accent-red);
  transform: translateY(-3px);
}

/* Responsive Design */
@media screen and (max-width: 1200px) {
  section {
    padding: var(--space-xxl) 4rem;
  }
  
  .timeline-item {
    width: 100%;
    padding: var(--space-xl) 0 var(--space-xl) 4rem;
    left: 0 !important;
    text-align: left !important;
  }
  
  .timeline::before {
    left: 30px;
  }
  
  .tl-icon {
    left: 5px !important;
    right: auto !important;
  }
  
  .company-header,
  .tech-used {
    justify-content: flex-start !important;
  }
}

@media screen and (max-width: 768px) {
  section {
    padding: var(--space-xl) var(--space-lg);
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .achievements-section {
    grid-template-columns: 1fr;
  }
  
  .controls {
    right: 15px;
  }
  
  .control-tooltip {
    display: none;
  }
}

@media screen and (max-width: 576px) {
  .name {
    font-size: 2.5rem !important;
  }
  
  .btn {
    padding: 12px 24px;
    font-size: 0.85rem;
  }
  
  .contact-info {
    grid-template-columns: 1fr;
  }
}