@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Color System - Dark Theme (Default) */
  --bg: #070913;
  --bg-secondary: #0f1224;
  --bg-tertiary: #171c36;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  
  --red-neon: #ff3c6a;
  --blue-neon: #00d2ff;
  --red-dim: #c21a42;
  --blue-dim: #0a8fb3;
  
  --gradient-neon: linear-gradient(135deg, var(--red-neon), var(--blue-neon));
  --gradient-dark: linear-gradient(135deg, #0e1225, #080a15);
  --gradient-glow: linear-gradient(135deg, rgba(255, 60, 106, 0.15), rgba(0, 210, 255, 0.15));
  
  --border-color: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(0, 210, 255, 0.25);
  
  --glow-red: 0 0 20px rgba(255, 60, 106, 0.3);
  --glow-blue: 0 0 20px rgba(0, 210, 255, 0.3);
  --glow-mix: 0 0 25px rgba(127, 135, 255, 0.25);
  
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

[data-theme="light"] {
  /* Color System - Light Theme */
  --bg: #f5f7fa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e9eff6;
  --text-main: #0f172a;
  --text-muted: #475569;
  
  --red-neon: #dc2626;
  --blue-neon: #0284c7;
  --red-dim: #991b1b;
  --blue-dim: #075985;
  
  --gradient-neon: linear-gradient(135deg, #dc2626, #0284c7);
  --gradient-dark: linear-gradient(135deg, #ffffff, #f1f5f9);
  --gradient-glow: linear-gradient(135deg, rgba(220, 38, 38, 0.08), rgba(2, 132, 199, 0.08));
  
  --border-color: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(2, 132, 199, 0.3);
  
  --glow-red: 0 0 15px rgba(220, 38, 38, 0.15);
  --glow-blue: 0 0 15px rgba(2, 132, 199, 0.15);
  --glow-mix: 0 0 20px rgba(2, 132, 199, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text-main);
  transition: background-color 0.5s ease, color 0.3s ease;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Background Grid Overlay */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(255, 60, 106, 0.03) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(0, 210, 255, 0.03) 0%, transparent 40%),
    linear-gradient(var(--border-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 80px 80px, 80px 80px;
  pointer-events: none;
  z-index: -1;
  opacity: 0.7;
}

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

button, input, textarea {
  font-family: inherit;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--red-neon);
}

/* Header & Navbar */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  background-color: rgba(7, 9, 19, 0.7);
  transition: var(--transition);
}

[data-theme="light"] header {
  background-color: rgba(245, 247, 250, 0.7);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  background: var(--gradient-neon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-dot {
  width: 8px;
  height: 8px;
  background-color: var(--blue-neon);
  border-radius: 50%;
  box-shadow: var(--glow-blue);
  animation: logoGlow 2s infinite alternate;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.25rem 0;
  color: var(--text-muted);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-main);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-neon);
  transition: var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  cursor: pointer;
  padding: 0.6rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  outline: none;
}

.theme-toggle-btn:hover {
  border-color: var(--blue-neon);
  box-shadow: var(--glow-blue);
  transform: rotate(15deg);
}

.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Menu Toggle (Mobile) */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-main);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--gradient-neon);
  color: #fff;
  border: none;
  box-shadow: var(--glow-mix);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--blue-neon), var(--red-neon));
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(127, 135, 255, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--blue-neon);
  transform: translateY(-2px);
}

/* Layout Containers */
section {
  padding: 8rem 2rem 4rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  margin-bottom: 4rem;
  text-align: center;
}

.section-subtitle {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 700;
  color: var(--red-neon);
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -1px;
}

.section-title span {
  background: var(--gradient-neon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Hero Section */
.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  min-height: 100vh;
  gap: 4rem;
  padding-top: 6rem;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-badge {
  background: var(--gradient-glow);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-main);
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background-color: var(--red-neon);
  border-radius: 50%;
  animation: pulseRed 1.5s infinite alternate;
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 1.5rem;
}

.hero-title span.grad {
  background: var(--gradient-neon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 580px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  width: 100%;
}

.stat-item h3 {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-neon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.25rem;
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Hero Art - Server/Kubernetes Visual representation */
.hero-art {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.art-container {
  width: 320px;
  height: 380px;
  background: var(--gradient-dark);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--glow-mix);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.art-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.art-dots {
  display: flex;
  gap: 6px;
}

.art-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-color);
}

.art-dot:nth-child(1) { background-color: var(--red-neon); }
.art-dot:nth-child(2) { background-color: #fbbf24; }
.art-dot:nth-child(3) { background-color: var(--blue-neon); }

.art-terminal-title {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

/* Server Rack Visual in CSS */
.rack-server {
  height: 60px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.rack-server::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--blue-neon);
}

.rack-server:nth-child(odd)::before {
  background-color: var(--red-neon);
}

.rack-server:hover {
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.04);
  transform: translateX(4px);
}

.server-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.server-name {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-main);
}

.server-status {
  width: 100px;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.status-bar {
  height: 100%;
  width: 70%;
  background-color: var(--blue-neon);
  animation: loadingBar 3s infinite alternate ease-in-out;
}

.rack-server:nth-child(odd) .status-bar {
  width: 85%;
  background-color: var(--red-neon);
  animation-delay: 1.5s;
}

.server-indicators {
  display: flex;
  gap: 8px;
}

.indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--border-color);
}

.indicator.active-blue {
  background-color: var(--blue-neon);
  box-shadow: var(--glow-blue);
  animation: pulseBlue 1s infinite alternate;
}

.indicator.active-red {
  background-color: var(--red-neon);
  box-shadow: var(--glow-red);
  animation: pulseRed 1s infinite alternate;
}

/* Background floating glow */
.art-glow-ball {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 210, 255, 0.15) 0%, transparent 70%);
  top: -50px;
  right: -50px;
  z-index: -1;
  animation: floatArt 6s infinite alternate ease-in-out;
}

.art-glow-ball-2 {
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 60, 106, 0.12) 0%, transparent 70%);
  bottom: -40px;
  left: -50px;
  z-index: -1;
  animation: floatArt 8s infinite alternate-reverse ease-in-out;
}

/* Experience Section */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  left: 31px;
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, var(--red-neon), var(--blue-neon));
}

.timeline-item {
  position: relative;
  padding-left: 5rem;
  margin-bottom: 3.5rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: 20px;
  top: 6px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--bg);
  border: 4px solid var(--blue-neon);
  z-index: 2;
  box-shadow: var(--glow-blue);
  transition: var(--transition);
}

.timeline-item:nth-child(even) .timeline-marker {
  border-color: var(--red-neon);
  box-shadow: var(--glow-red);
}

.timeline-item:hover .timeline-marker {
  transform: scale(1.2);
}

.timeline-card {
  background: var(--gradient-dark);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--transition);
}

.timeline-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--glow-mix);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.role-title {
  font-size: 1.35rem;
  font-weight: 700;
}

.role-title span {
  font-size: 1.1rem;
  color: var(--blue-neon);
  font-weight: 500;
}

.timeline-item:nth-child(even) .role-title span {
  color: var(--red-neon);
}

.role-duration {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  background-color: rgba(255, 255, 255, 0.03);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

.role-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.role-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  color: var(--text-main);
  transition: var(--transition);
}

.tag:hover {
  background: var(--gradient-neon);
  border-color: transparent;
  color: #fff;
}

/* Projects Section */
.projects-filter {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--gradient-neon);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--glow-mix);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--gradient-dark);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: var(--glow-mix);
}

.project-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.project-icon {
  font-size: 1.75rem;
  background: var(--gradient-glow);
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link-icon {
  color: var(--text-muted);
}

.project-link-icon:hover {
  color: var(--blue-neon);
}

.project-card:nth-child(even) .project-link-icon:hover {
  color: var(--red-neon);
}

.project-info h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.project-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.project-footer {
  margin-top: auto;
}

/* Blog Section */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.blog-card {
  background: var(--gradient-dark);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--glow-mix);
}

.blog-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.blog-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  transition: var(--transition);
}

.blog-card:hover h3 {
  color: var(--blue-neon);
}

.blog-card:nth-child(even):hover h3 {
  color: var(--red-neon);
}

.blog-summary {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

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

.blog-read-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.blog-read-more svg {
  width: 16px;
  height: 16px;
  transition: var(--transition);
}

.blog-card:hover .blog-read-more svg {
  transform: translateX(3px);
  color: var(--blue-neon);
}

.blog-card:nth-child(even):hover .blog-read-more svg {
  color: var(--red-neon);
}

/* Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
  background: var(--gradient-dark);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--glow-mix);
}

.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info-header h3 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.contact-info-header p {
  color: var(--text-muted);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 3rem 0;
}

.contact-method-card {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-method-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-neon);
}

.contact-method-card:nth-child(even) .contact-method-icon {
  color: var(--red-neon);
}

.contact-method-details h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.contact-method-details p {
  font-size: 1rem;
  font-weight: 500;
}

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

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.social-link:hover {
  color: #fff;
  background: var(--gradient-neon);
  border-color: transparent;
  box-shadow: var(--glow-mix);
  transform: translateY(-3px);
}

/* Form Styling */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.form-control {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--blue-neon);
  box-shadow: var(--glow-blue);
  background: rgba(255, 255, 255, 0.04);
}

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

/* Submit status banner */
.submit-status {
  padding: 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  display: none;
  animation: slideUp 0.3s ease;
}

.submit-status.success {
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
  display: block;
}

.submit-status.error {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
  display: block;
}

/* SPA Blog Post View/Overlay */
.blog-reader-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(7, 9, 19, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  overflow-y: auto;
  display: flex;
  justify-content: center;
  padding: 4rem 2rem;
}

.blog-reader-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.blog-reader-content {
  background: var(--gradient-dark);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 100%;
  padding: 3.5rem;
  position: relative;
  box-shadow: var(--glow-mix);
  transform: scale(0.9);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  align-self: flex-start;
}

.blog-reader-overlay.active .blog-reader-content {
  transform: scale(1);
}

.close-reader-btn {
  position: absolute;
  top: 2rem;
  right: 2rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.close-reader-btn:hover {
  background: var(--red-neon);
  border-color: transparent;
  color: #fff;
  transform: rotate(90deg);
}

.reader-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 2rem;
  margin-bottom: 2rem;
}

.reader-meta {
  display: flex;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.reader-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.reader-tags {
  display: flex;
  gap: 0.5rem;
}

.reader-body {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-main);
}

.reader-body p {
  margin-bottom: 1.5rem;
}

.reader-body h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--blue-neon);
}

.reader-body h3::before {
  content: "# ";
  color: var(--red-neon);
}

.reader-body pre {
  background-color: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.reader-body code {
  font-family: var(--font-mono);
  background-color: rgba(255, 255, 255, 0.05);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}

.reader-body pre code {
  background-color: transparent;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
}

.reader-body ul, .reader-body ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.reader-body li {
  margin-bottom: 0.5rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  background-color: rgba(7, 9, 19, 0.4);
  padding: 3rem 2rem;
  margin-top: 6rem;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

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

.footer-logo {
  font-weight: 700;
}

/* Keyframes Animations */
@keyframes pulseRed {
  0% { box-shadow: 0 0 10px rgba(255, 60, 106, 0.2); }
  100% { box-shadow: 0 0 22px rgba(255, 60, 106, 0.6); }
}

@keyframes pulseBlue {
  0% { box-shadow: 0 0 10px rgba(0, 210, 255, 0.2); }
  100% { box-shadow: 0 0 22px rgba(0, 210, 255, 0.6); }
}

@keyframes logoGlow {
  0% { box-shadow: 0 0 5px rgba(0, 210, 255, 0.3); }
  100% { box-shadow: 0 0 15px rgba(0, 210, 255, 0.8); }
}

@keyframes floatArt {
  0% { transform: translate(0, 0); }
  100% { transform: translate(15px, -15px); }
}

@keyframes loadingBar {
  0% { width: 30%; }
  50% { width: 90%; }
  100% { width: 60%; }
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding-top: 8rem;
    text-align: center;
  }

  .hero-content {
    align-items: center;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .contact-container {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--bg);
    flex-direction: column;
    padding: 4rem 2rem;
    gap: 2rem;
    transition: var(--transition);
    border-top: 1px solid var(--border-color);
  }

  .nav-links.active {
    left: 0;
  }

  .menu-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2.75rem;
  }

  .timeline::before {
    left: 11px;
  }

  .timeline-marker {
    left: 0;
  }

  .timeline-item {
    padding-left: 2.5rem;
  }

  .timeline-header {
    flex-direction: column;
  }

  .blog-reader-content {
    padding: 2rem 1.5rem;
  }

  .reader-title {
    font-size: 1.8rem;
  }
}