/* ============================================================
   Portfolio Website — Main Stylesheet
   Premium Dark/Light Mode | Glassmorphism | Animations
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ============================================================
   CSS Custom Properties (Design Tokens)
   ============================================================ */
:root {
  /* Primary Gradient */
  --primary:        #6C3CF5;
  --primary-light:  #9B6DFF;
  --primary-dark:   #4A1DB5;
  --secondary:      #00D2FF;
  --accent:         #FF6B6B;
  --accent-green:   #00F5A0;

  /* Dark Theme (default) */
  --bg-primary:     #0A0A0F;
  --bg-secondary:   #12121A;
  --bg-surface:     #1A1A2E;
  --bg-card:        #161625;
  --bg-glass:       rgba(26, 26, 46, 0.7);
  --bg-glass-light: rgba(255,255,255,0.05);

  /* Text */
  --text-primary:   #F0F0FF;
  --text-secondary: #A0A0C0;
  --text-muted:     #666690;
  --text-inverse:   #0A0A0F;

  /* Border */
  --border:         rgba(255,255,255,0.08);
  --border-hover:   rgba(108, 60, 245, 0.5);

  /* Shadows */
  --shadow-sm:      0 2px 8px rgba(0,0,0,0.3);
  --shadow-md:      0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg:      0 16px 64px rgba(0,0,0,0.5);
  --shadow-glow:    0 0 40px rgba(108, 60, 245, 0.3);
  --shadow-glow-2:  0 0 40px rgba(0, 210, 255, 0.2);

  /* Gradients */
  --gradient-primary:  linear-gradient(135deg, #6C3CF5 0%, #00D2FF 100%);
  --gradient-accent:   linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%);
  --gradient-green:    linear-gradient(135deg, #00F5A0 0%, #00D2FF 100%);
  --gradient-surface:  linear-gradient(135deg, rgba(108,60,245,0.1) 0%, rgba(0,210,255,0.1) 100%);
  --gradient-hero:     radial-gradient(ellipse at top, rgba(108,60,245,0.2) 0%, transparent 60%),
                       radial-gradient(ellipse at bottom right, rgba(0,210,255,0.1) 0%, transparent 60%);

  /* Transitions */
  --transition:     all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Typography */
  --font-sans:    'Inter', sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Border Radius */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;
  --radius-full: 9999px;
}

/* Light Theme */
[data-theme="light"] {
  --bg-primary:     #F8F8FF;
  --bg-secondary:   #EFEFFE;
  --bg-surface:     #FFFFFF;
  --bg-card:        #FAFAFF;
  --bg-glass:       rgba(255, 255, 255, 0.8);
  --bg-glass-light: rgba(108,60,245,0.05);
  --text-primary:   #0A0A1F;
  --text-secondary: #444466;
  --text-muted:     #888899;
  --text-inverse:   #F0F0FF;
  --border:         rgba(0,0,0,0.08);
  --border-hover:   rgba(108, 60, 245, 0.4);
  --shadow-sm:      0 2px 8px rgba(108,60,245,0.08);
  --shadow-md:      0 8px 32px rgba(108,60,245,0.12);
  --shadow-lg:      0 16px 64px rgba(108,60,245,0.15);
  --shadow-glow:    0 0 40px rgba(108, 60, 245, 0.15);
  --gradient-hero:  radial-gradient(ellipse at top, rgba(108,60,245,0.08) 0%, transparent 60%),
                    radial-gradient(ellipse at bottom right, rgba(0,210,255,0.05) 0%, transparent 60%);
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  transition: background 0.4s ease, color 0.4s ease;
  overflow-x: hidden;
}

::selection { background: rgba(108,60,245,0.35); color: var(--text-primary); }

/* Custom Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

/* ============================================================
   Typography
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

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

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

p { color: var(--text-secondary); }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; }

/* ============================================================
   Particles Canvas
   ============================================================ */
#particles-js {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ============================================================
   Navigation
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0.75rem 0;
  transition: var(--transition-slow);
}

.navbar.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  padding: 0.5rem 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.03em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%;
  width: 0; height: 2px;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 60%;
}

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

/* Theme Toggle */
.theme-toggle {
  width: 44px; height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  color: var(--text-secondary);
  font-size: 1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}

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

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.nav-hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile Nav */
.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--bg-glass);
  backdrop-filter: blur(30px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}

.nav-mobile.open { display: flex; }

.nav-mobile a {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: var(--transition);
}

.nav-mobile a:hover { background: var(--gradient-primary); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(108,60,245,0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108,60,245,0.55);
  color: white;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(108,60,245,0.08);
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--gradient-accent);
  color: white;
  box-shadow: 0 4px 20px rgba(255,107,107,0.4);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255,107,107,0.55);
  color: white;
}

.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.82rem; }
.btn-lg { padding: 1rem 2.5rem; font-size: 1rem; }

/* ============================================================
   Glassmorphism Cards
   ============================================================ */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

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

/* ============================================================
   Section Styles
   ============================================================ */
.section {
  padding: 6rem 0;
  position: relative;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(108,60,245,0.12);
  border: 1px solid rgba(108,60,245,0.25);
  color: var(--primary-light);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.divider {
  width: 60px; height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  margin: 1rem auto;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 6rem 0 4rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: 0;
}

/* Animated gradient orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
  pointer-events: none;
  animation: floatOrb 8s ease-in-out infinite;
}

.hero-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #6C3CF5, transparent);
  top: -100px; left: -100px;
  animation-delay: 0s;
}

.hero-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #00D2FF, transparent);
  bottom: -100px; right: -50px;
  animation-delay: 3s;
}

.hero-orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #FF6B6B, transparent);
  top: 30%; right: 20%;
  animation-delay: 5s;
  opacity: 0.12;
}

.hero-container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(108,60,245,0.15);
  border: 1px solid rgba(108,60,245,0.3);
  border-radius: var(--radius-full);
  color: var(--primary-light);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  animation: fadeInDown 0.6s ease;
}

.hero-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  animation: pulse 2s infinite;
}

.hero-name {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 1;
  margin-bottom: 1rem;
  position: relative;
}

.glitch {
  position: relative;
  display: inline-block;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0;
}

.glitch:hover::before {
  opacity: 0.8;
  color: var(--secondary);
  clip-path: polygon(0 15%, 100% 15%, 100% 40%, 0 40%);
  transform: translate(-3px, 0);
  animation: glitch1 0.3s steps(1) infinite;
}

.glitch:hover::after {
  opacity: 0.8;
  color: var(--accent);
  clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%);
  transform: translate(3px, 0);
  animation: glitch2 0.3s steps(1) infinite;
}

.hero-typed-wrapper {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  min-height: 2rem;
}

.typed-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
}

.typed-cursor {
  color: var(--primary);
  animation: blink 1s infinite;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 480px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
}

.hero-stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Hero Image */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-avatar-wrapper {
  position: relative;
  width: 360px;
  height: 360px;
}

.hero-avatar-ring {
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--primary), var(--secondary), var(--accent), var(--primary));
  animation: rotateSpin 6s linear infinite;
  opacity: 0.6;
}

.hero-avatar-ring-inner {
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  background: var(--bg-primary);
}

.hero-avatar {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--bg-surface);
  background: var(--gradient-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  overflow: hidden;
}

.hero-avatar-placeholder {
  width: 100%; height: 100%;
  background: var(--gradient-surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 6rem;
  color: var(--primary-light);
}

.hero-float-card {
  position: absolute;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  animation: floatCard 4s ease-in-out infinite;
}

.hero-float-card-1 {
  bottom: 10px; left: -30px;
  animation-delay: 0s;
}

.hero-float-card-2 {
  top: 20px; right: -20px;
  animation-delay: 2s;
}

.hero-float-card-3 {
  top: 50%; left: -50px;
  transform: translateY(-50%);
  animation-delay: 1s;
}

.float-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.85rem;
}

/* ============================================================
   Projects / Portfolio Grid
   ============================================================ */
.projects-filter {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: white;
  box-shadow: 0 4px 15px rgba(108,60,245,0.35);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
}

.project-card:hover {
  transform: translateY(-8px) rotateX(2deg);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow), var(--shadow-lg);
}

.project-image {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: var(--gradient-surface);
}

.project-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-image img { transform: scale(1.08); }

.project-image-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-surface);
  font-size: 3rem;
  color: var(--primary-light);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,10,15,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.project-body { padding: 1.5rem; }

.project-category {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  background: rgba(108,60,245,0.12);
  color: var(--primary-light);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.project-title {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
  font-weight: 700;
}

.project-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tech-tag {
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--bg-glass-light);
  border: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* ============================================================
   Skills Section
   ============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.skill-item { margin-bottom: 1rem; }

.skill-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.skill-name {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.skill-name i { color: var(--primary-light); }

.skill-percent {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-light);
}

.skill-bar-bg {
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--bg-glass-light);
  border: 1px solid var(--border);
  overflow: hidden;
}

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

.skill-bar-fill::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s infinite;
}

/* ============================================================
   Services
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.service-card:hover::before { transform: scaleX(1); }

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

.service-icon {
  width: 60px; height: 60px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 20px rgba(108,60,245,0.35);
}

.service-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================================
   Blog Cards
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.blog-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.blog-image {
  height: 200px;
  background: var(--gradient-surface);
  overflow: hidden;
  position: relative;
}

.blog-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.blog-card:hover .blog-image img { transform: scale(1.05); }

.blog-category-badge {
  position: absolute;
  top: 1rem; left: 1rem;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: white;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.blog-body { padding: 1.75rem; }

.blog-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.blog-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  transition: var(--transition);
}

.blog-card:hover .blog-title { color: var(--primary-light); }

.blog-excerpt {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.blog-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.read-more { font-size: 0.85rem; font-weight: 600; color: var(--primary-light); }
.read-more:hover { color: var(--secondary); }

/* ============================================================
   Contact Form
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.contact-info-card {
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--gradient-surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
  transition: var(--transition);
}

.contact-info-card:hover {
  border-color: var(--border-hover);
  transform: translateX(6px);
}

.contact-info-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.contact-info-value { font-size: 0.95rem; font-weight: 600; }

.form-group { margin-bottom: 1.5rem; }

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-glass);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108,60,245,0.15);
}

.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { resize: vertical; min-height: 130px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ============================================================
   Stats Section
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--gradient-surface);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stat-card:hover::before { opacity: 1; }
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-glow); }

.stat-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ============================================================
   Timeline (About)
   ============================================================ */
.timeline {
  position: relative;
  padding-left: 2.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

.timeline-dot {
  position: absolute;
  left: -2.5rem;
  top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--gradient-primary);
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 0 3px rgba(108,60,245,0.3);
}

.timeline-date {
  font-size: 0.78rem;
  color: var(--primary-light);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.timeline-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.25rem; }
.timeline-company { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 0.5rem; }
.timeline-desc { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }

/* ============================================================
   Social Links
   ============================================================ */
.social-links { display: flex; gap: 0.75rem; }

.social-link {
  width: 42px; height: 42px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1rem;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(108,60,245,0.4);
}

/* ============================================================
   Alert Toast (Flash Messages)
   ============================================================ */
.alert-toast {
  position: fixed;
  top: 1.5rem; right: 1.5rem;
  z-index: 9999;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  font-weight: 500;
  backdrop-filter: blur(20px);
  animation: slideInRight 0.4s ease;
  max-width: 350px;
  box-shadow: var(--shadow-lg);
}

.alert-toast button {
  background: none; border: none; cursor: pointer;
  font-size: 1.2rem; color: inherit; margin-left: auto; opacity: 0.7;
}

.alert-success { background: rgba(0,245,160,0.15); border: 1px solid rgba(0,245,160,0.3); color: var(--accent-green); }
.alert-error   { background: rgba(255,107,107,0.15); border: 1px solid rgba(255,107,107,0.3); color: var(--accent); }
.alert-info    { background: rgba(0,210,255,0.15); border: 1px solid rgba(0,210,255,0.3); color: var(--secondary); }
.alert-warning { background: rgba(255,190,0,0.15); border: 1px solid rgba(255,190,0,0.3); color: #FFB800; }

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
}

.footer-desc { font-size: 0.9rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 1.5rem; }
.footer-heading { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1.25rem; color: var(--text-secondary); }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.6rem; }
.footer-links a { font-size: 0.9rem; color: var(--text-muted); transition: var(--transition); }
.footer-links a:hover { color: var(--primary-light); padding-left: 4px; }

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy { font-size: 0.85rem; color: var(--text-muted); }

/* ============================================================
   Scroll to Top
   ============================================================ */
.scroll-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 46px; height: 46px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: white;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(108,60,245,0.45);
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 500;
}

.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(108,60,245,0.6); }

/* ============================================================
   CTA Section
   ============================================================ */
.cta-section {
  padding: 7rem 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0.08;
}

.cta-section::before,
.cta-section::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
}

.cta-section::before {
  width: 400px; height: 400px;
  background: var(--primary);
  opacity: 0.15;
  top: -100px; left: -100px;
}

.cta-section::after {
  width: 300px; height: 300px;
  background: var(--secondary);
  opacity: 0.1;
  bottom: -100px; right: -100px;
}

/* ============================================================
   AOS (Animate on Scroll) & Custom Animations
   ============================================================ */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

[data-aos="fade-left"] { transform: translateX(-30px); }
[data-aos="fade-left"].aos-animate { transform: translateX(0); }
[data-aos="fade-right"] { transform: translateX(30px); }
[data-aos="fade-right"].aos-animate { transform: translateX(0); }
[data-aos="zoom-in"] { transform: scale(0.85); }
[data-aos="zoom-in"].aos-animate { transform: scale(1); opacity: 1; }

/* ============================================================
   Keyframe Animations
   ============================================================ */
@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(30px, -20px) scale(1.05); }
  66%       { transform: translate(-20px, 15px) scale(0.97); }
}

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

@keyframes rotateSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.3); }
}

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

@keyframes shimmer {
  from { left: -100%; }
  to   { left: 200%; }
}

@keyframes glitch1 {
  0%   { clip-path: polygon(0 15%, 100% 15%, 100% 40%, 0 40%); transform: translate(-3px, 0); }
  50%  { clip-path: polygon(0 25%, 100% 25%, 100% 50%, 0 50%); transform: translate(3px, 0); }
  100% { clip-path: polygon(0 15%, 100% 15%, 100% 40%, 0 40%); transform: translate(-3px, 0); }
}

@keyframes glitch2 {
  0%   { clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%); transform: translate(3px, 0); }
  50%  { clip-path: polygon(0 70%, 100% 70%, 100% 90%, 0 90%); transform: translate(-3px, 0); }
  100% { clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%); transform: translate(3px, 0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(50px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; gap: 3rem; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-avatar-wrapper { width: 280px; height: 280px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .section { padding: 4rem 0; }
  .projects-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
  .hero-float-card { display: none; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { flex-direction: column; align-items: center; gap: 1.5rem; }
  .hero-name { font-size: 2.5rem; }
}