/* =========================================================
   PRUDHVI RAJ — PORTFOLIO CSS
   Premium Dark Glassmorphism | DA / AI / ML / DE Focus
   ui-ux-pro-max design system applied
   ========================================================= */

/* ── 1. CSS RESET & BASE ──────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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;
  cursor: none; /* replaced by custom cursor */
}

@media (hover: none) { body { cursor: auto; } }

img, svg { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ── 2. CSS CUSTOM PROPERTIES ──────────────────────────── */
:root {
  --bg-primary:        #07070f;
  --bg-secondary:      #0e0e1a;
  --bg-card:           rgba(255,255,255,0.04);
  --bg-card-hover:     rgba(255,255,255,0.07);
  --border-glass:      rgba(255,255,255,0.09);
  --border-glass-hover:rgba(255,255,255,0.18);

  --accent-purple: #a855f7;
  --accent-pink:   #ec4899;
  --accent-blue:   #3b82f6;
  --accent-cyan:   #06b6d4;
  --accent-orange: #f97316;
  --accent-green:  #22c55e;

  --gradient-primary:   linear-gradient(135deg, #7928CA 0%, #FF0080 100%);
  --gradient-secondary: linear-gradient(135deg, #0ea5e9 0%, #8b5cf6 100%);
  --gradient-text:      linear-gradient(135deg, #a855f7 0%, #ec4899 50%, #f97316 100%);
  --gradient-gold:      linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);

  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #64748b;

  --radius-sm:   8px;
  --radius-md:   14px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --radius-full: 9999px;

  --blur-glass: blur(20px);
  --blur-sm:    blur(10px);

  --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(168,85,247,0.2);

  --nav-height: 70px;
  --section-pad: 100px;
  --container-max: 1200px;

  --transition-fast:   0.15s ease;
  --transition-base:   0.3s ease;
  --transition-slow:   0.5s ease;
}

/* ── 3. TYPOGRAPHY ─────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

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

.mono { font-family: 'JetBrains Mono', monospace; }

/* ── 4. UTILITIES ──────────────────────────────────────── */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}
.glass-card:hover {
  border-color: var(--border-glass-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.section-padding {
  padding: var(--section-pad) 0;
}

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Section header */
.section-header {
  margin-bottom: 64px;
}
.section-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  color: var(--accent-purple);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  opacity: 0.9;
}
.section-heading {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 16px;
}
.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 580px;
  margin: 0 auto;
}

/* ── 5. SKIP LINK ──────────────────────────────────────── */
.skip-link {
  position: fixed;
  top: -100px;
  left: 24px;
  z-index: 9999;
  background: var(--gradient-primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: top var(--transition-fast);
}
.skip-link:focus { top: 24px; }

/* ── 6. PRELOADER ──────────────────────────────────────── */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, transform 0.5s ease;
}
#preloader.hide {
  opacity: 0;
  transform: translateY(-100%);
  pointer-events: none;
}
.preloader-inner {
  text-align: center;
}
.preloader-letters {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 5rem;
  font-weight: 800;
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 8px;
}
.pl-p {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: plBounce 0.6s ease 0.1s both;
}
.pl-r {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: plBounce 0.6s ease 0.3s both;
}
.preloader-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 24px;
  animation: fadeInUp 0.5s ease 0.6s both;
}
.preloader-bar {
  width: 200px;
  height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: 99px;
  overflow: hidden;
  margin: 0 auto;
}
.preloader-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 99px;
  animation: preloaderFill 1.8s ease forwards;
}

/* ── 7. CUSTOM CURSOR ──────────────────────────────────── */
.cursor-dot,
.cursor-ring {
  position: fixed;
  pointer-events: none;
  z-index: 9997;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: opacity var(--transition-fast);
}
.cursor-dot {
  width: 8px;
  height: 8px;
  background: #fff;
  top: 0; left: 0;
}
.cursor-ring {
  width: 36px;
  height: 36px;
  border: 2px solid rgba(168,85,247,0.6);
  top: 0; left: 0;
  transition: width 0.2s ease, height 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.cursor-ring.hovering {
  width: 56px;
  height: 56px;
  border-color: var(--accent-purple);
  background: rgba(168,85,247,0.08);
}
@media (hover: none) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* ── 8. TOAST ──────────────────────────────────────────── */
.toast-notification {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: rgba(30,30,50,0.95);
  border: 1px solid rgba(168,85,247,0.4);
  backdrop-filter: var(--blur-glass);
  color: var(--text-primary);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 9990;
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.toast-notification i { color: var(--accent-green); }
.toast-notification.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── 9. NAVBAR ─────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(7,7,15,0.5);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
.navbar.scrolled {
  background: rgba(7,7,15,0.92);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}
.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.accent-dot {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-full);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}
.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.06);
}
.nav-link.active {
  color: var(--accent-purple);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  min-width: 44px; min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}
.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
  display: block;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── 10. MOBILE NAV ────────────────────────────────────── */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(7,7,15,0.97);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.mobile-nav.open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.mobile-nav-close {
  position: absolute;
  top: 20px; right: 20px;
  color: var(--text-secondary);
  font-size: 1.5rem;
  padding: 12px;
  min-width: 44px; min-height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}
.mobile-nav-close:hover { color: var(--text-primary); }
.mobile-nav-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.mobile-nav-link {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-secondary);
  padding: 8px 24px;
  min-height: 44px;
  display: flex; align-items: center;
  transition: color var(--transition-fast);
}
.mobile-nav-link:hover { color: var(--accent-purple); }
.mobile-nav-social {
  display: flex;
  gap: 20px;
  margin-top: 24px;
}
.mobile-nav-social a {
  font-size: 1.4rem;
  color: var(--text-muted);
  min-width: 44px; min-height: 44px;
  display: flex; align-items: center; justify-content: center;
  transition: color var(--transition-fast);
}
.mobile-nav-social a:hover { color: var(--accent-purple); }

/* ── 11. HERO ──────────────────────────────────────────── */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-height);
}

/* Aurora background */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.aurora-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.6;
  will-change: transform;
}
.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(121,40,202,0.5) 0%, transparent 70%);
  top: -200px; left: -100px;
  animation: floatOrb1 12s ease-in-out infinite;
}
.orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,0,128,0.35) 0%, transparent 70%);
  top: 30%; right: -100px;
  animation: floatOrb2 15s ease-in-out infinite;
}
.orb-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(14,165,233,0.3) 0%, transparent 70%);
  bottom: -100px; left: 30%;
  animation: floatOrb3 18s ease-in-out infinite;
}
.orb-4 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(236,72,153,0.25) 0%, transparent 70%);
  top: 60%; left: 10%;
  animation: floatOrb4 10s ease-in-out infinite;
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 44px 44px;
}

/* Particles */
#tsparticles {
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* Code snippets */
.code-snippets {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}
.code-float {
  position: absolute;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: rgba(168,85,247,0.12);
  line-height: 1.5;
  white-space: pre;
  animation: codeDrift 20s ease-in-out infinite;
}
.code-float pre { margin: 0; }
.code-1 { top: 15%; left: 5%;  animation-delay: 0s;   }
.code-2 { top: 65%; right: 6%; animation-delay: 5s;   animation-duration: 22s; }
.code-3 { top: 25%; right: 5%; animation-delay: 10s;  animation-duration: 25s; }
.code-4 { bottom: 20%; left: 8%; animation-delay: 3s; animation-duration: 18s; }

/* Hero content */
.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 820px;
  padding: 0 24px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(168,85,247,0.1);
  border: 1px solid rgba(168,85,247,0.3);
  border-radius: var(--radius-full);
  padding: 8px 20px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 28px;
  letter-spacing: 0.01em;
}
.pulse-dot {
  width: 8px; height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulseDot 2s ease-in-out infinite;
}
.hero-name {
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.0;
  margin-bottom: 20px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0; /* animated in by JS */
}
.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.typed-accent {
  color: var(--accent-purple);
  font-weight: 600;
}
.typed-accent .typed-cursor {
  color: var(--accent-purple);
}
.hero-description {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  min-height: 48px;
  transition: opacity var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-base);
  box-shadow: 0 4px 20px rgba(121,40,202,0.35);
}
.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(121,40,202,0.5);
  color: #fff;
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  min-height: 48px;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  backdrop-filter: var(--blur-sm);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.25);
  transform: translateY(-2px);
  color: var(--text-primary);
}

/* Tech badges */
.hero-tech-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.tech-badge {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  animation: floatBadge 4s ease-in-out infinite;
}
.tech-badge:nth-child(2) { animation-delay: 0.4s; }
.tech-badge:nth-child(3) { animation-delay: 0.8s; }
.tech-badge:nth-child(4) { animation-delay: 1.2s; }
.tech-badge:nth-child(5) { animation-delay: 1.6s; }
.tech-badge:nth-child(6) { animation-delay: 2.0s; }
.tech-badge:nth-child(7) { animation-delay: 2.4s; }
.tech-badge:nth-child(8) { animation-delay: 2.8s; }

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: scrollBounce 2s ease-in-out infinite;
}
.scroll-mouse {
  width: 22px; height: 34px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 11px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.scroll-wheel {
  width: 3px; height: 7px;
  background: var(--text-muted);
  border-radius: 99px;
  animation: scrollWheel 1.5s ease-in-out infinite;
}

/* ── 12. ABOUT ─────────────────────────────────────────── */
.about-section { padding-top: calc(var(--section-pad) + 20px); }

.section-label-sm {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--accent-purple);
  margin-bottom: 14px;
  opacity: 0.9;
}
.about-bio {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
}
.about-bio strong { color: var(--text-primary); }
.about-bio em { color: var(--accent-purple); font-style: normal; }

.about-drives {
  background: rgba(168,85,247,0.05);
  border: 1px solid rgba(168,85,247,0.15);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 32px;
}
.drives-heading {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.drives-heading i { color: var(--accent-purple); }
.drives-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}
.drives-text em { color: var(--accent-purple); font-style: italic; }

.about-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.info-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.info-chip:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.12);
}
.info-chip i { color: var(--accent-purple); width: 14px; flex-shrink: 0; }

/* Stats bento */
.stats-bento {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-card {
  padding: 28px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}
.stat-card:hover::before { opacity: 0.04; }
.stat-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  margin: 0 auto 14px;
}
.stat-icon.purple { background: rgba(168,85,247,0.15); color: var(--accent-purple); }
.stat-icon.blue   { background: rgba(59,130,246,0.15);  color: var(--accent-blue);   }
.stat-icon.pink   { background: rgba(236,72,153,0.15);  color: var(--accent-pink);   }
.stat-icon.cyan   { background: rgba(6,182,212,0.15);   color: var(--accent-cyan);   }
.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── 13. SKILLS ────────────────────────────────────────── */
.skills-grid-wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.skill-cat-card {
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.skill-cat-card:hover {
  transform: translateY(-6px) !important;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.skill-cat-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.skill-cat-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  color: var(--ci);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  position: relative;
  isolation: isolate;
}
.skill-cat-icon::after {
  content: '';
  position: absolute; inset: 0;
  background: var(--ci);
  opacity: 0.15;
  border-radius: inherit;
  z-index: -1;
}
.skill-cat-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}
.skill-tag-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skill-tag {
  border: 1px solid var(--tc);
  color: var(--tc);
  border-radius: var(--radius-full);
  padding: 4px 12px;
  font-size: 0.78rem;
  font-weight: 500;
  position: relative;
  isolation: isolate;
}
.skill-tag::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--tc);
  opacity: 0.10;
  border-radius: inherit;
  z-index: -1;
  transition: opacity var(--transition-fast);
}
.skill-tag:hover::before { opacity: 0.20; }
.card-glow-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 120%, var(--glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.skill-cat-card > * { position: relative; z-index: 1; }

/* ── 14. EXPERIENCE (TIMELINE) ─────────────────────────── */
.timeline {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  padding: 10px 0 10px 56px; /* left padding creates space for line + dot */
}
.timeline-track {
  position: absolute;
  left: 20px;  /* fixed px so dots can align exactly */
  top: 0; bottom: 0;
  width: 2px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
}
.timeline-line-fill {
  width: 100%;
  background: var(--gradient-primary);
  height: 0;
  transition: height 1s ease;
}
.timeline-item {
  position: relative;
  width: 100%;
  margin-bottom: 48px;
}
/* Remove alternating layout — single column left-aligned */
.tl-right { margin-left: 0; }
.tl-left  { margin-right: 0; margin-left: 0; text-align: left; }

.timeline-dot {
  position: absolute;
  /* center on track: track left=20px, track width=2px → center=21px
     item starts at padding-left 56px from timeline → offset needed: -(56-20)-7 = -43px */
  left: -43px;
  top: 24px;
  width: 14px; height: 14px;
  background: var(--gradient-primary);
  border-radius: 50%;
  z-index: 2;
}
/* Unify both sides — no separate override needed */
.tl-right .timeline-dot, .tl-left .timeline-dot { left: -43px; right: auto; }
.dot-ring {
  position: absolute;
  inset: -5px;
  border: 2px solid rgba(168,85,247,0.4);
  border-radius: 50%;
  animation: ringPulse 2.5s ease-in-out infinite;
}
.timeline-card {
  padding: 28px;
}
.exp-header {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.exp-icon-wrap {
  width: 42px; height: 42px;
  border-radius: var(--radius-md);
  background: rgba(168,85,247,0.12);
  color: var(--accent-purple);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.exp-meta { flex: 1; min-width: 0; }
.exp-title {
  font-size: 1.15rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}
.exp-company {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.exp-info-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.exp-info-row span {
  display: flex; align-items: center; gap: 4px;
}
.exp-status-badge {
  background: rgba(34,197,94,0.12);
  border: 1px solid rgba(34,197,94,0.3);
  color: var(--accent-green);
  border-radius: var(--radius-full);
  padding: 4px 12px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  flex-shrink: 0;
  height: fit-content;
}
.exp-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: 0;
}
.exp-list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.exp-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-purple);
  font-size: 0.8rem;
}
.exp-list strong { color: var(--text-primary); }

/* ── 15. EDUCATION ─────────────────────────────────────── */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.edu-card {
  padding: 36px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  position: relative;
  overflow: hidden;
}
.edu-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.edu-icon-wrap {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: rgba(168,85,247,0.12);
  color: var(--accent-purple);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.edu-body { flex: 1; }
.edu-degree {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.edu-field {
  font-size: 0.9rem;
  color: var(--accent-purple);
  font-weight: 500;
  margin-bottom: 6px;
}
.edu-university {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.edu-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}
.edu-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.05);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.08);
}
.edu-gpa-badge {
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(168,85,247,0.12);
  color: var(--accent-purple);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(168,85,247,0.25);
}
.edu-achievement {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
  display: flex;
  gap: 6px;
  align-items: flex-start;
}
.edu-achievement i { color: var(--accent-orange); flex-shrink: 0; margin-top: 2px; }

/* ── 16. PROJECTS ──────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
/* Featured projects span 2 rows or are larger */
.featured-proj {
  grid-column: span 1;
}
/* Make top 2 featured projects slightly taller */
.projects-grid .featured-proj:nth-child(-n+2) {
  border-top: 3px solid transparent;
  border-image: var(--gradient-primary) 1;
}

.proj-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.proj-card:hover {
  transform: translateY(-6px) !important;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}
.proj-top {
  padding: 24px 24px 16px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  position: relative;
  isolation: isolate;
}
.proj-top::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--pc);
  opacity: 0.07;
  z-index: -1;
}
.proj-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  color: var(--pc);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  position: relative;
  isolation: isolate;
}
.proj-icon::after {
  content: '';
  position: absolute; inset: 0;
  background: var(--pc);
  opacity: 0.18;
  border-radius: inherit;
  z-index: -1;
}
.proj-cat-badge {
  border: 1px solid var(--pb);
  color: var(--pb);
  border-radius: var(--radius-full);
  padding: 5px 14px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  isolation: isolate;
}
.proj-cat-badge::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--pb);
  opacity: 0.12;
  border-radius: inherit;
  z-index: -1;
}
.proj-body {
  padding: 0 24px 16px;
  flex: 1;
}
.proj-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.proj-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.proj-desc strong { color: var(--text-primary); }
.proj-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.proj-tags span {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-full);
  padding: 3px 10px;
  font-size: 0.72rem;
  color: var(--text-muted);
}
.proj-footer {
  padding: 14px 24px 20px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  gap: 12px;
}
.proj-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-purple);
  padding: 8px 16px;
  min-height: 36px;
  border-radius: var(--radius-full);
  background: rgba(168,85,247,0.1);
  border: 1px solid rgba(168,85,247,0.2);
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.proj-link:hover {
  background: rgba(168,85,247,0.2);
  transform: translateY(-1px);
  color: var(--accent-purple);
}

/* Holographic shimmer */
.shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.06) 50%, transparent 60%);
  transform: translateX(-100%) skewX(-15deg);
  pointer-events: none;
  z-index: 5;
}
.proj-card:hover .shimmer {
  animation: shimmerSlide 0.8s ease forwards;
}

/* ── 17. CERTIFICATIONS ────────────────────────────────── */
.certs-swiper {
  padding: 20px 8px 60px !important;
  overflow: visible !important;
}
.cert-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  cursor: pointer;
  padding: 28px 24px;
  height: 100%;
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.cert-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}
.cert-issuer-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  color: var(--ii);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  position: relative; isolation: isolate;
}
.cert-issuer-icon::after {
  content: '';
  position: absolute; inset: 0;
  background: var(--ii); opacity: 0.15;
  border-radius: inherit; z-index: -1;
}
.cert-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.cert-by {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.cert-year-tag {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
  padding: 4px 12px;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: auto;
}

/* Swiper custom styles */
.swiper-pagination-bullet {
  background: rgba(255,255,255,0.3) !important;
  opacity: 1 !important;
}
.swiper-pagination-bullet-active {
  background: var(--accent-purple) !important;
  width: 20px !important;
  border-radius: 4px !important;
}
.cert-prev, .cert-next {
  width: 40px !important;
  height: 40px !important;
  background: rgba(255,255,255,0.05) !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
  border-radius: 50% !important;
  backdrop-filter: var(--blur-sm);
  --swiper-navigation-size: 14px;
  color: var(--text-secondary) !important;
}
.cert-prev::after, .cert-next::after {
  font-size: 12px !important;
  font-weight: 700 !important;
}
.cert-prev:hover, .cert-next:hover {
  background: rgba(168,85,247,0.15) !important;
  border-color: rgba(168,85,247,0.4) !important;
  color: var(--accent-purple) !important;
}

/* ── 18. CONTACT ───────────────────────────────────────── */
.contact-section {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}
.contact-section::before {
  content: '';
  position: absolute;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(168,85,247,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.contact-heading {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 12px;
}
.contact-sub {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 0;
}
.contact-cards-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}
.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 28px;
  min-height: 80px;
  border-radius: var(--radius-lg);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
  text-align: left;
}
.contact-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.2);
  box-shadow: 0 16px 48px rgba(0,0,0,0.3);
}
.cc-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--cc, #a855f7) 12%, transparent);
  color: var(--cc, #a855f7);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  transition: background var(--transition-base), transform var(--transition-base);
}
.contact-card:hover .cc-icon {
  background: color-mix(in srgb, var(--cc, #a855f7) 22%, transparent);
  transform: scale(1.1) rotate(-5deg);
}
.cc-content { flex: 1; min-width: 0; }
.cc-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.cc-value {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cc-action {
  color: var(--text-muted);
  font-size: 0.9rem;
  flex-shrink: 0;
  transition: color var(--transition-fast);
}
.contact-card:hover .cc-action { color: var(--text-primary); }

/* ── 19. FOOTER ────────────────────────────────────────── */
.site-footer {
  background: var(--bg-primary);
  padding: 32px 0;
}
.footer-gradient-line {
  height: 1px;
  background: var(--gradient-primary);
  margin-bottom: 32px;
  opacity: 0.3;
}
.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copy {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 0;
}
.footer-social-row {
  display: flex;
  gap: 16px;
}
.footer-social-row a {
  color: var(--text-muted);
  font-size: 1rem;
  min-width: 36px; min-height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}
.footer-social-row a:hover { color: var(--accent-purple); }

/* ── 20. SCROLL ANIMATIONS ─────────────────────────────── */
[data-anim] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-anim="fade-left"]  { transform: translateX(40px); }
[data-anim="fade-right"] { transform: translateX(-40px); }
[data-anim="scale-in"]   { transform: scale(0.9) translateY(20px); }
[data-anim].anim-visible {
  opacity: 1;
  transform: none;
}

/* ── 21. KEYFRAMES ─────────────────────────────────────── */
@keyframes plBounce {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes preloaderFill {
  0%   { width: 0%; }
  100% { width: 100%; }
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
  50%       { opacity: 0.8; transform: scale(1.2); box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}
@keyframes floatOrb1 {
  0%, 100% { transform: translate(0, 0)   scale(1);    }
  33%       { transform: translate(8%, 10%) scale(1.1);  }
  66%       { transform: translate(-5%, 5%) scale(0.95); }
}
@keyframes floatOrb2 {
  0%, 100% { transform: translate(0, 0)    scale(1);    }
  25%       { transform: translate(-8%, 5%)  scale(1.15); }
  75%       { transform: translate(6%, -10%) scale(0.9);  }
}
@keyframes floatOrb3 {
  0%, 100% { transform: translate(0, 0)    scale(1);    }
  50%       { transform: translate(-10%, -8%) scale(1.2); }
}
@keyframes floatOrb4 {
  0%, 100% { transform: translate(0, 0)   scale(1);    }
  50%       { transform: translate(10%, -8%) scale(1.1); }
}
@keyframes codeDrift {
  0%, 100% { transform: translateY(0px);  opacity: 0.8; }
  50%       { transform: translateY(-20px); opacity: 1;   }
}
@keyframes floatBadge {
  0%, 100% { transform: translateY(0);   }
  50%       { transform: translateY(-6px); }
}
@keyframes scrollWheel {
  0%   { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(10px); opacity: 0; }
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0);   }
  50%       { transform: translateX(-50%) translateY(6px); }
}
@keyframes ringPulse {
  0%, 100% { transform: scale(1);    opacity: 0.8; }
  50%       { transform: scale(1.4);  opacity: 0; }
}
@keyframes shimmerSlide {
  0%   { transform: translateX(-100%) skewX(-15deg); }
  100% { transform: translateX(200%)  skewX(-15deg); }
}
@keyframes heroNameIn {
  from { opacity: 0; transform: translateY(40px); filter: blur(8px); }
  to   { opacity: 1; transform: translateY(0);    filter: blur(0);   }
}

/* ── 22. RESPONSIVE ────────────────────────────────────── */

/* Tablet — 992px */
@media (max-width: 992px) {
  :root { --section-pad: 80px; }

  .nav-links { display: none; }
  .hamburger { display: flex; }

  .skills-grid-wrap {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Timeline: collapse to single column */
  .timeline-track { display: none; }
  .timeline-item,
  .tl-right, .tl-left {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
    padding-left: 24px;
  }
  .tl-right .timeline-dot { left: -12px; }
  .tl-left  .timeline-dot { left: -12px; right: auto; }
  .timeline-item::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
    opacity: 0.4;
    border-radius: 2px;
  }

  .edu-grid { grid-template-columns: 1fr; }

  .projects-grid { grid-template-columns: repeat(2, 1fr); }

  .contact-cards-row { grid-template-columns: 1fr; }

  .about-info-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Mobile — 768px */
@media (max-width: 768px) {
  :root { --section-pad: 64px; }

  .hero-name { font-size: clamp(2.8rem, 10vw, 4rem); }

  .section-heading { font-size: 1.8rem; }

  .stats-bento { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card { padding: 20px 16px; }
  .stat-number { font-size: 2rem; }

  .skills-grid-wrap { grid-template-columns: 1fr; }

  .projects-grid { grid-template-columns: 1fr; }

  .edu-card { flex-direction: column; padding: 24px; }

  .certs-swiper { overflow: hidden !important; }

  .hero-ctas { flex-direction: column; align-items: center; }
  .btn-primary, .btn-secondary { width: 100%; max-width: 280px; justify-content: center; }

  .footer-inner { flex-direction: column; text-align: center; }

  .contact-cards-row { grid-template-columns: 1fr; }

  .about-info-grid { grid-template-columns: 1fr; }
}

/* Small mobile — 480px */
@media (max-width: 480px) {
  :root { --section-pad: 48px; }

  .hero-badge { font-size: 0.72rem; padding: 7px 14px; flex-wrap: wrap; justify-content: center; }

  .hero-tech-badges { gap: 6px; }
  .tech-badge { font-size: 0.72rem; padding: 5px 12px; }

  .stats-bento { grid-template-columns: 1fr; }

  .edu-row { flex-direction: column; gap: 6px; }

  .contact-card { padding: 18px 20px; }

  .section-heading { font-size: 1.6rem; }
}

/* ── 23. REDUCED MOTION ────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .aurora-orb { animation: none; }
  .tech-badge { animation: none; }
  .code-float { animation: none; }
  .scroll-indicator { animation: none; }
  .shimmer { display: none; }
  html { scroll-behavior: auto; }
}