/* ============================================================
   SAFWAN SALEEM – PORTFOLIO DESIGN SYSTEM v2
   Ultra-modern dark theme with advanced animations
   ============================================================ */

/* === Fonts === */
@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 Variables === */
:root {
  --bg-deep: #050816;
  --bg-card: #0a0f24;
  --bg-card-hover: #0f1630;
  --bg-elevated: #111633;
  --primary: #6366f1;
  --primary-light: #818cf8;
  --accent: #a855f7;
  --cyan: #22d3ee;
  --emerald: #34d399;
  --rose: #fb7185;
  --amber: #fbbf24;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --glass-bg: rgba(15, 23, 42, 0.6);
  --glass-border: rgba(99, 102, 241, 0.12);
  --glass-border-hover: rgba(99, 102, 241, 0.3);
  --glow-primary: rgba(99, 102, 241, 0.4);
  --glow-accent: rgba(168, 85, 247, 0.35);
  --glow-cyan: rgba(34, 211, 238, 0.3);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) var(--bg-deep);
}

html::-webkit-scrollbar { width: 6px; }
html::-webkit-scrollbar-track { background: var(--bg-deep); }
html::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 10px; }

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

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* === Scroll Progress Bar === */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--cyan));
  z-index: 10000;
  transition: width 0.1s linear;
}

/* === Custom Cursor === */
.cursor-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 99999;
  transition: transform 0.1s;
  mix-blend-mode: difference;
}

.cursor-ring {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--primary-light);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 99998;
  transition: all 0.15s ease-out;
  opacity: 0.5;
}

.cursor-ring.hover {
  width: 56px;
  height: 56px;
  border-color: var(--cyan);
  opacity: 0.8;
}

/* === Aurora / Animated Background === */
.aurora-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
}

.aurora-bg::before,
.aurora-bg::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.12;
  animation: auroraFloat 20s ease-in-out infinite;
}

.aurora-bg::before {
  background: radial-gradient(circle, var(--primary), transparent 70%);
  top: -200px;
  right: -100px;
}

.aurora-bg::after {
  background: radial-gradient(circle, var(--accent), transparent 70%);
  bottom: -200px;
  left: -100px;
  animation-delay: -10s;
  animation-direction: reverse;
}

@keyframes auroraFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(80px, 60px) scale(1.1); }
  50% { transform: translate(-60px, 120px) scale(0.9); }
  75% { transform: translate(100px, -40px) scale(1.05); }
}

/* Grid Pattern */
.grid-pattern {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

/* Noise texture overlay */
.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

/* Floating particles */
.particles {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--primary-light);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 8s ease-in-out infinite;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 12s; }
.particle:nth-child(2) { left: 25%; animation-delay: 2s; animation-duration: 10s; }
.particle:nth-child(3) { left: 45%; animation-delay: 4s; animation-duration: 14s; }
.particle:nth-child(4) { left: 65%; animation-delay: 1s; animation-duration: 11s; }
.particle:nth-child(5) { left: 80%; animation-delay: 3s; animation-duration: 9s; }
.particle:nth-child(6) { left: 15%; animation-delay: 5s; animation-duration: 13s; }
.particle:nth-child(7) { left: 55%; animation-delay: 6s; animation-duration: 15s; }
.particle:nth-child(8) { left: 90%; animation-delay: 2.5s; animation-duration: 10s; }

@keyframes particleFloat {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { transform: translateY(-100px) scale(1); opacity: 0; }
}

/* === Preloader === */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 100000;
  background: var(--bg-deep);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-logo {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: 2.2rem;
  color: white;
  animation: preloaderPulse 1.5s ease-in-out infinite;
  position: relative;
}

.preloader-logo::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 24px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  z-index: -1;
  opacity: 0.3;
  filter: blur(15px);
  animation: preloaderPulse 1.5s ease-in-out infinite 0.2s;
}

.preloader-bar {
  width: 160px;
  height: 3px;
  background: rgba(99, 102, 241, 0.15);
  border-radius: 10px;
  margin-top: 2rem;
  overflow: hidden;
}

.preloader-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  border-radius: 10px;
  animation: preloaderFill 1.2s ease-in-out forwards;
}

@keyframes preloaderPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes preloaderFill {
  0% { width: 0%; }
  100% { width: 100%; }
}

/* === Navigation === */
.nav-modern {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition-smooth);
}

.nav-modern.scrolled {
  background: rgba(5, 8, 22, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  padding: 0.6rem 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.nav-logo:hover { transform: scale(1.03); }

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: white;
  position: relative;
}

.logo-icon::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  z-index: -1;
  opacity: 0;
  filter: blur(10px);
  transition: opacity var(--transition-smooth);
}

.nav-logo:hover .logo-icon::after { opacity: 0.5; }

.logo-text {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.nav-links a {
  padding: 0.5rem 1rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all var(--transition-smooth);
  transform: translateX(-50%);
}

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

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

.nav-links a.active {
  color: var(--primary-light);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.25rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  color: white;
  text-decoration: none;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.nav-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.nav-cta:hover::before { opacity: 1; }
.nav-cta > * { position: relative; z-index: 1; }

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--glow-primary);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(5, 8, 22, 0.95);
  backdrop-filter: blur(30px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
}

.mobile-menu.open { opacity: 1; visibility: visible; }

.mobile-menu a {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  font-family: 'Space Grotesk', sans-serif;
}

.mobile-menu a:hover { color: var(--primary-light); transform: scale(1.1); }

.mobile-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 2rem;
  cursor: pointer;
}

/* === Sections === */
.section-modern {
  padding: 6rem 0;
  position: relative;
}

.bg-section-alt {
  background: rgba(10, 15, 36, 0.5);
}

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

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-label .dot {
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.6); }
}

.section-heading {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 550px;
  line-height: 1.75;
}

/* === Hero Section === */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1.1rem;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary-light);
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--emerald);
  border-radius: 50%;
  position: relative;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid var(--emerald);
  animation: pulseRing 2s ease-out infinite;
}

@keyframes pulseRing {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(2.2); opacity: 0; }
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-light), var(--accent), var(--cyan));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 4s ease-in-out infinite;
}

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

.hero-subtitle {
  font-size: 1.3rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  min-height: 2rem;
}

.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1.3em;
  background: var(--primary);
  margin-left: 2px;
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
}

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

.hero-description {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.75rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  color: white;
  cursor: pointer;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.btn-primary > * { position: relative; z-index: 1; }
.btn-primary:hover::before { opacity: 1; }

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px var(--glow-primary);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.75rem;
  background: transparent;
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.btn-outline:hover {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.06);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.15);
}

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: 2.5rem;
}

.hero-stat {
  text-align: left;
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-light), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 0.1rem;
}

/* Hero Image */
.hero-image-wrapper {
  position: relative;
  width: 380px;
  height: 380px;
}

.hero-image-container {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  margin: 30px auto;
  border: 3px solid rgba(99, 102, 241, 0.3);
  box-shadow: 0 0 60px var(--glow-primary), 0 0 120px rgba(99, 102, 241, 0.1);
  transition: all var(--transition-smooth);
}

.hero-image-container:hover {
  border-color: rgba(99, 102, 241, 0.6);
  box-shadow: 0 0 80px var(--glow-primary), 0 0 160px rgba(99, 102, 241, 0.15);
  transform: scale(1.03);
}

.hero-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-image-container:hover img { transform: scale(1.08); }

.hero-orbit {
  position: absolute;
  inset: 0;
  border: 1px dashed rgba(99, 102, 241, 0.15);
  border-radius: 50%;
  animation: orbitSpin 25s linear infinite;
}

.hero-orbit-dot {
  width: 12px;
  height: 12px;
  background: var(--primary);
  border-radius: 50%;
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 15px var(--glow-primary);
}

.hero-orbit-2 {
  position: absolute;
  inset: -20px;
  border: 1px dashed rgba(168, 85, 247, 0.1);
  border-radius: 50%;
  animation: orbitSpin 35s linear infinite reverse;
}

.hero-orbit-2 .hero-orbit-dot {
  background: var(--accent);
  box-shadow: 0 0 15px var(--glow-accent);
}

@keyframes orbitSpin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* Hero decoration elements */
.hero-float-card {
  position: absolute;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  animation: floatBounce 4s ease-in-out infinite;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.hero-float-card.top-right { top: 10%; right: -10%; animation-delay: 0s; }
.hero-float-card.bottom-left { bottom: 10%; left: -15%; animation-delay: -2s; }

@keyframes floatBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* === Glass Card === */
.glass-card {
  background: rgba(10, 15, 36, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.03), transparent);
  transition: left 0.8s ease;
}

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

.glass-card:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 30px rgba(99, 102, 241, 0.05);
}

/* === Experience Cards === */
.exp-card {
  background: rgba(10, 15, 36, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.exp-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.exp-card:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-6px);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35), 0 0 40px rgba(99, 102, 241, 0.08);
}

.exp-card:hover::after { opacity: 1; }

/* === Skill Cards === */
.skill-card-modern {
  background: rgba(10, 15, 36, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition-smooth);
  cursor: default;
}

.skill-card-modern:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3), 0 0 30px rgba(99, 102, 241, 0.06);
}

.skill-icon-modern {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.75rem;
  transition: transform var(--transition-spring);
}

.skill-card-modern:hover .skill-icon-modern { transform: scale(1.15) rotate(5deg); }

.skill-icon-modern img {
  width: 32px;
  height: 32px;
}

.skill-bar-track {
  width: 100%;
  height: 4px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 10px;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  border-radius: 10px;
  transition: width 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* === Education Cards === */
.edu-card {
  background: rgba(10, 15, 36, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-smooth);
}

.edu-card:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

/* === Tag Pills === */
.tag-pill {
  display: inline-flex;
  padding: 0.3rem 0.75rem;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.12);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--primary-light);
  transition: all var(--transition-fast);
}

.tag-pill:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
  transform: scale(1.05);
}

/* === Badges === */
.badge {
  display: inline-flex;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-success { background: rgba(52, 211, 153, 0.12); color: var(--emerald); border: 1px solid rgba(52, 211, 153, 0.2); }
.badge-warning { background: rgba(251, 191, 36, 0.12); color: var(--amber); border: 1px solid rgba(251, 191, 36, 0.2); }
.badge-primary { background: rgba(99, 102, 241, 0.12); color: var(--primary-light); border: 1px solid rgba(99, 102, 241, 0.2); }
.badge-rose { background: rgba(251, 113, 133, 0.12); color: var(--rose); border: 1px solid rgba(251, 113, 133, 0.2); }

/* === Filter Buttons === */
.filter-btn {
  padding: 0.45rem 1.1rem;
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary-light);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-color: transparent;
  color: white;
  box-shadow: 0 4px 15px var(--glow-primary);
}

/* === Form Inputs === */
.form-input-modern {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(10, 15, 36, 0.8);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input-modern::placeholder { color: var(--text-muted); }

.form-input-modern:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1), 0 0 20px rgba(99, 102, 241, 0.05);
}

/* === Timeline === */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--accent), var(--cyan), var(--emerald));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding-bottom: 2rem;
  padding-left: 1.5rem;
}

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

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--bg-deep);
  box-shadow: 0 0 0 3px var(--primary);
}

.timeline-content h4 {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
}

.timeline-content p {
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* === Footer === */
.footer-modern {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--glass-border);
  background: rgba(5, 8, 22, 0.8);
}

/* === Scroll Reveal Animations === */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.85);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.active, .reveal-left.active, .reveal-right.active, .reveal-scale.active {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

/* Staggered delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }
.delay-7 { transition-delay: 0.7s; }
.delay-8 { transition-delay: 0.8s; }

/* === 3D Tilt Card === */
.tilt-card {
  transform-style: preserve-3d;
  perspective: 1000px;
}

.tilt-card-inner {
  transition: transform 0.3s ease;
  transform-style: preserve-3d;
}

/* === Glow Hover Effects === */
.glow-hover {
  position: relative;
}

.glow-hover::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--primary), var(--accent), var(--cyan));
  z-index: -1;
  opacity: 0;
  filter: blur(12px);
  transition: opacity var(--transition-smooth);
}

.glow-hover:hover::after { opacity: 0.3; }

/* === Magnetic Button Effect === */
.magnetic-btn {
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* === Responsive === */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 2rem; }
  .hero-description { margin: 0 auto 2rem; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-image-wrapper { width: 300px; height: 300px; margin: 0 auto; }
  .hero-image-container { width: 260px; height: 260px; }
  .hero-float-card { display: none; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .mobile-toggle { display: block; }
  .cursor-dot, .cursor-ring { display: none !important; }
}

@media (max-width: 768px) {
  .section-modern { padding: 4rem 0; }
  .section-container { padding: 0 1.25rem; }
  .section-heading { font-size: 1.8rem; }
  .hero-title { font-size: 2rem; }
  .hero-stats { gap: 1.5rem; }
  .stat-number { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .hero-stats { flex-direction: column; gap: 1rem; align-items: center; }
}