/* ========================================
   NEON THEME - Futuristic AI-Focused Portfolio
   Elegant Black Theme with Cyan Neon Accents
   ======================================== */

/* CSS Variables */
:root {
  /* Colors */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --bg-card: rgba(20, 20, 20, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.03);
  
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  
  --neon-cyan: #00f5ff;
  --neon-cyan-dark: #00c4cc;
  --neon-cyan-light: #7fffff;
  --neon-cyan-glow: rgba(0, 245, 255, 0.5);
  --neon-cyan-glow-strong: rgba(0, 245, 255, 0.8);
  
  --gradient-primary: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-cyan-dark) 100%);
  --gradient-bg: radial-gradient(ellipse at top, #1a1a2e 0%, #0a0a0a 50%);
  
  /* Spacing */
  --section-padding: 100px 0;
  --container-max: 1200px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Borders */
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 20px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-neon: 0 0 20px var(--neon-cyan-glow), 0 0 40px var(--neon-cyan-glow);
  --shadow-neon-strong: 0 0 30px var(--neon-cyan-glow-strong), 0 0 60px var(--neon-cyan-glow);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  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;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--neon-cyan-dark);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--neon-cyan);
}

/* Selection */
::selection {
  background: var(--neon-cyan);
  color: var(--bg-primary);
}

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Particles Background */
#particles-js {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.95);
  box-shadow: 0 4px 30px rgba(0, 245, 255, 0.1);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition-fast);
}

.nav-logo:hover {
  color: var(--neon-cyan);
}

.logo-bracket {
  color: var(--neon-cyan);
  text-shadow: 0 0 10px var(--neon-cyan-glow);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  position: relative;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  transition: var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--neon-cyan);
  box-shadow: 0 0 10px var(--neon-cyan-glow);
  transition: width var(--transition-normal);
}

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

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

.nav-social {
  display: flex;
  gap: 1rem;
}

.nav-social a {
  color: var(--text-secondary);
  font-size: 1.2rem;
  transition: var(--transition-fast);
}

.nav-social a:hover {
  color: var(--neon-cyan);
  text-shadow: 0 0 10px var(--neon-cyan-glow);
  transform: translateY(-2px);
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.hamburger .bar {
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-normal);
}

.hamburger.active .bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .bar:nth-child(2) {
  opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 20px 50px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-bg);
  z-index: -1;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
}

.hero-text {
  z-index: 1;
}

.hero-title {
  margin-bottom: 1.5rem;
}

.greeting {
  display: block;
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--neon-cyan);
  margin-bottom: 0.5rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.name {
  display: block;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  background: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Typewriter Effect */
.typewriter {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.3rem;
  color: var(--neon-cyan);
  margin-bottom: 1.5rem;
  min-height: 2rem;
}

.typewriter-text {
  border-right: none;
}

.cursor {
  display: inline-block;
  animation: blink 1s infinite;
  color: var(--neon-cyan);
}

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

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 500px;
}

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

/* Code Window */
.hero-visual {
  perspective: 1000px;
}

.code-window {
  background: var(--bg-card);
  border: 1px solid rgba(0, 245, 255, 0.2);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 245, 255, 0.1);
  transform: rotateY(-5deg) rotateX(5deg);
  transition: transform var(--transition-slow);
}

.code-window:hover {
  transform: rotateY(0deg) rotateX(0deg);
  box-shadow: var(--shadow-lg), var(--shadow-neon);
}

.code-header {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #28ca41; }

.code-content {
  padding: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  line-height: 1.8;
}

.code-content code {
  display: block;
  white-space: pre;
}

.code-comment { color: #6a737d; }
.code-keyword { color: var(--neon-cyan); }
.code-variable { color: #79c0ff; }
.code-key { color: #ffa657; }
.code-string { color: #a5d6ff; }

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.85rem;
  animation: float 2s ease-in-out infinite;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--neon-cyan);
  border-bottom: 2px solid var(--neon-cyan);
  transform: rotate(45deg);
  animation: scrollBounce 2s ease-in-out infinite;
}

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

@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translate(0, 0); opacity: 0.5; }
  50% { transform: rotate(45deg) translate(5px, 5px); opacity: 1; }
}

/* ========================================
   SECTIONS
   ======================================== */
.section {
  position: relative;
  padding: var(--section-padding);
  z-index: 1;
}

.section.bg-darker {
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #ffffff 0%, var(--neon-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.section-line {
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  margin: 0 auto;
  border-radius: 2px;
  box-shadow: 0 0 10px var(--neon-cyan-glow);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--border-radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--bg-primary);
  box-shadow: 0 4px 15px rgba(0, 245, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 245, 255, 0.5), var(--shadow-neon);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s;
}

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

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

.btn-outline:hover {
  background: var(--neon-cyan);
  color: var(--bg-primary);
  box-shadow: var(--shadow-neon);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--neon-cyan);
  text-shadow: 0 0 10px var(--neon-cyan-glow);
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

/* Experience Card */
.experience-card {
  background: var(--bg-glass);
  border: 1px solid rgba(0, 245, 255, 0.2);
  border-radius: var(--border-radius);
  padding: 30px;
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.experience-card:hover {
  border-color: var(--neon-cyan);
  box-shadow: var(--shadow-neon);
  transform: translateY(-5px);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--bg-primary);
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 15px rgba(0, 245, 255, 0.3);
}

.experience-card h4 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.experience-card ul {
  list-style: none;
}

.experience-card li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

.experience-card li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--neon-cyan);
}

/* ========================================
   PROJECTS SECTION
   ======================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all var(--transition-normal);
  position: relative;
}

.project-card:hover {
  transform: translateY(-10px);
  border-color: var(--neon-cyan);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 245, 255, 0.2);
}

.project-image {
  position: relative;
  height: 220px;
  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);
}

/* Placeholder Images for Projects Without Screenshots */
.placeholder-image {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 15px;
  background: linear-gradient(135deg, rgba(0, 245, 255, 0.05) 0%, rgba(0, 196, 204, 0.1) 100%);
  border: 2px dashed rgba(0, 245, 255, 0.3);
  transition: all var(--transition-normal);
}

.project-card:hover .placeholder-image {
  background: linear-gradient(135deg, rgba(0, 245, 255, 0.1) 0%, rgba(0, 196, 204, 0.15) 100%);
  border-color: var(--neon-cyan);
  box-shadow: inset 0 0 30px rgba(0, 245, 255, 0.2);
}

.placeholder-image i {
  font-size: 3.5rem;
  color: var(--neon-cyan);
  text-shadow: 0 0 20px var(--neon-cyan-glow);
  transition: all var(--transition-normal);
}

.project-card:hover .placeholder-image i {
  transform: scale(1.1);
  text-shadow: 0 0 30px var(--neon-cyan-glow-strong);
}

.placeholder-image span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  color: var(--neon-cyan);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 500;
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  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: 20px;
}

.project-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  text-decoration: none;
  padding: 15px 25px;
  background: var(--bg-glass);
  border: 1px solid var(--neon-cyan);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.project-link:hover {
  background: var(--neon-cyan);
  color: var(--bg-primary);
  box-shadow: var(--shadow-neon);
  transform: scale(1.05);
}

.project-link i {
  font-size: 1.5rem;
}

.project-link span {
  font-size: 0.85rem;
  font-weight: 500;
}

.project-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(0, 0, 0, 0.8);
  border: 1px solid var(--neon-cyan);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--neon-cyan);
}

.project-content {
  padding: 25px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 15px;
}

.tag {
  padding: 4px 12px;
  background: rgba(0, 245, 255, 0.1);
  border: 1px solid rgba(0, 245, 255, 0.3);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--neon-cyan);
  font-weight: 500;
}

.project-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.project-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 15px;
  line-height: 1.6;
}

.project-features {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  padding-top: 15px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.project-features span {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.project-features i {
  color: var(--neon-cyan);
}

.projects-cta {
  text-align: center;
  margin-top: 50px;
}

.projects-cta p {
  color: var(--text-secondary);
  margin-bottom: 20px;
}

/* ========================================
   SKILLS SECTION
   ======================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.skill-category {
  background: var(--bg-glass);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius);
  padding: 30px;
  text-align: center;
  transition: all var(--transition-normal);
}

.skill-category:hover {
  border-color: var(--neon-cyan);
  box-shadow: var(--shadow-neon);
  transform: translateY(-5px);
}

.skill-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  background: rgba(0, 245, 255, 0.1);
  border: 2px solid var(--neon-cyan);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--neon-cyan);
  transition: all var(--transition-normal);
}

.skill-category:hover .skill-icon {
  background: var(--neon-cyan);
  color: var(--bg-primary);
  box-shadow: var(--shadow-neon-strong);
}

.skill-category h3 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.skill-tag {
  padding: 6px 14px;
  background: rgba(0, 245, 255, 0.05);
  border: 1px solid rgba(0, 245, 255, 0.2);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.skill-tag:hover {
  background: rgba(0, 245, 255, 0.15);
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 2rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px 20px;
  background: var(--bg-glass);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  transition: all var(--transition-normal);
}

.contact-method:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.2);
  transform: translateX(5px);
}

.contact-icon {
  width: 45px;
  height: 45px;
  background: rgba(0, 245, 255, 0.1);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--neon-cyan);
}

.contact-details {
  display: flex;
  flex-direction: column;
}

.contact-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-value {
  color: var(--text-primary);
  font-weight: 500;
}

.contact-location {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
}

.contact-location i {
  color: var(--neon-cyan);
}

/* Contact Form */
.contact-form {
  background: var(--bg-glass);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius);
  padding: 30px;
}

.form-group {
  position: relative;
  margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 15px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 15px rgba(0, 245, 255, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

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

.focus-border {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--neon-cyan);
  transition: width var(--transition-normal);
}

.form-group input:focus ~ .focus-border,
.form-group textarea:focus ~ .focus-border {
  width: 100%;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  position: relative;
  z-index: 1;
  padding: 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.footer-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.footer-social {
  display: flex;
  gap: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: var(--bg-glass);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: all var(--transition-normal);
}

.footer-social a:hover {
  background: var(--neon-cyan);
  border-color: var(--neon-cyan);
  color: var(--bg-primary);
  box-shadow: var(--shadow-neon);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ========================================
   ANIMATIONS
   ======================================== */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate="fadeInUp"].animated {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="fadeInDown"] {
  transform: translateY(-30px);
}

[data-animate="fadeInDown"].animated {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="fadeInLeft"] {
  transform: translateX(-30px);
}

[data-animate="fadeInLeft"].animated {
  opacity: 1;
  transform: translateX(0);
}

[data-animate="fadeInRight"] {
  transform: translateX(30px);
}

[data-animate="fadeInRight"].animated {
  opacity: 1;
  transform: translateX(0);
}

[data-animate="fadeIn"] {
  transform: none;
}

[data-animate="fadeIn"].animated {
  opacity: 1;
}

/* Animation delays */
[data-delay="100"] { transition-delay: 0.1s; }
[data-delay="200"] { transition-delay: 0.2s; }
[data-delay="300"] { transition-delay: 0.3s; }
[data-delay="400"] { transition-delay: 0.4s; }
[data-delay="500"] { transition-delay: 0.5s; }
[data-delay="1000"] { transition-delay: 1s; }

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .code-window {
    transform: none;
    max-width: 500px;
    margin: 0 auto;
  }
  
  .hero-description {
    margin: 0 auto 2rem;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px 0;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(10, 10, 10, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    transition: left var(--transition-normal);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-social {
    display: none;
  }
  
  .hamburger {
    display: flex;
  }
  
  .hero {
    padding: 120px 20px 50px;
  }
  
  .about-stats {
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .skills-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 20px;
  }
}

@media (max-width: 480px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 250px;
  }
}