/* ==========================================================================
   ARUN RAJ - MODERN PORTFOLIO DESIGN SYSTEM
   Frontend Software Engineer • React.js | TypeScript | Redux Toolkit
   ========================================================================== */

:root {
  /* Dark Theme (Default) */
  --bg-main: #070a12;
  --bg-surface: #0e1526;
  --bg-card: rgba(16, 24, 40, 0.75);
  --bg-card-hover: rgba(22, 34, 56, 0.9);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-strong: rgba(255, 255, 255, 0.06);

  --border-subtle: rgba(255, 255, 255, 0.09);
  --border-card: rgba(255, 255, 255, 0.14);
  --border-glow: rgba(56, 189, 248, 0.4);

  --text-main: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  /* Accents */
  --accent-cyan: #06b6d4;
  --accent-sky: #38bdf8;
  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-violet: #8b5cf6;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;

  --gradient-primary: linear-gradient(135deg, #38bdf8 0%, #6366f1 50%, #a855f7 100%);
  --gradient-accent: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --gradient-emerald: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  --gradient-card: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px rgba(56, 189, 248, 0.25);

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

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Theme Mode */
body.light-theme {
  --bg-main: #f1f5f9;
  --bg-surface: #e2e8f0;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-glass: rgba(0, 0, 0, 0.02);
  --bg-glass-strong: rgba(0, 0, 0, 0.04);

  --border-subtle: rgba(0, 0, 0, 0.09);
  --border-card: rgba(0, 0, 0, 0.12);
  --border-glow: rgba(37, 99, 235, 0.4);

  --text-main: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-dim: #94a3b8;

  --gradient-primary: linear-gradient(135deg, #0284c7 0%, #4f46e5 50%, #9333ea 100%);
  --gradient-accent: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
  --gradient-card: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.7) 100%);

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.12);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

::selection {
  background: rgba(56, 189, 248, 0.3);
  color: var(--text-main);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 9px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-surface);
  border-radius: 6px;
  border: 2px solid var(--bg-main);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-sky);
}

/* Helper Utilities */
.font-display {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

.text-main { color: var(--text-main) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-dim { color: var(--text-dim) !important; }
.text-accent-sky { color: var(--accent-sky) !important; }
.text-accent-cyan { color: var(--accent-cyan) !important; }
.text-accent-emerald { color: var(--accent-emerald) !important; }
.bg-surface { background-color: var(--bg-surface) !important; }
.bg-card { background-color: var(--bg-card) !important; }
.border-subtle { border-color: var(--border-subtle) !important; }
.border-card { border-color: var(--border-card) !important; }

/* Scroll Progress Bar */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--gradient-primary);
  z-index: 100;
  transition: width 0.1s linear;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.7);
}

/* Background Ambient Lighting Glows */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
  transition: opacity var(--transition-normal);
}

.ambient-glow-1 {
  top: -10%;
  left: 15%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.18), transparent 70%);
}

.ambient-glow-2 {
  top: 40%;
  right: -10%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.18), transparent 70%);
}

.ambient-glow-3 {
  bottom: 5%;
  left: 5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.15), transparent 70%);
}

body.light-theme .ambient-glow {
  opacity: 0.25;
}

/* ==========================================================================
   GLASSMORPHISM & CARDS
   ========================================================================== */

.modern-glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal), background var(--transition-normal);
}

.modern-glass-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-md), 0 0 25px rgba(56, 189, 248, 0.15);
  transform: translateY(-4px);
}

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

.text-gradient-cyan {
  background: linear-gradient(135deg, #38bdf8 0%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */

.app-navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 90;
  padding: 1rem 0;
  background: rgba(7, 10, 18, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: padding var(--transition-normal), background var(--transition-normal), box-shadow var(--transition-normal);
}

body.light-theme .app-navbar {
  background: rgba(241, 245, 249, 0.88);
}

.app-navbar.scrolled {
  padding: 0.7rem 0;
  background: rgba(7, 10, 18, 0.96);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

body.light-theme .app-navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-badge {
  width: 42px;
  height: 42px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.15rem;
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
  transition: transform var(--transition-normal);
}

.nav-logo:hover .logo-badge {
  transform: rotate(6deg) scale(1.05);
}

.logo-meta {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-main);
  line-height: 1.1;
}

.logo-subtitle {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-sky);
  font-family: 'JetBrains Mono', monospace;
}

/* Nav Menu Links */
.nav-link {
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
  background: var(--bg-glass-strong);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 2px;
  background: var(--accent-sky);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--accent-sky);
}

/* Theme Toggle Button */
.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-sky);
  transform: rotate(15deg);
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.3);
}

/* Nav Actions CTA */
.nav-cta-btn {
  background: var(--gradient-primary);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(56, 189, 248, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(99, 102, 241, 0.5);
}

/* Mobile Nav Drawer */
.mobile-nav-panel {
  position: fixed;
  top: 73px;
  left: 0;
  width: 100%;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  z-index: 89;
  transform: translateY(-120%);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

.mobile-nav-panel.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

/* ==========================================================================
   BUTTONS & BADGES
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-normal);
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border-card);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: var(--accent-sky);
  background: var(--bg-card-hover);
  color: var(--accent-sky);
  transform: translateY(-3px);
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.15);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-subtle);
}

.btn-ghost:hover {
  color: var(--text-main);
  background: var(--bg-glass-strong);
  border-color: var(--text-secondary);
}

/* Section Tag & Heading */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.95rem;
  border-radius: var(--radius-full);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: var(--accent-sky);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 1rem;
}

.section-heading {
  font-size: clamp(2.1rem, 4.5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.03em;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ==========================================================================
   HERO SECTION & CANVAS
   ========================================================================== */

.hero-wrapper {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  padding-top: 130px;
  padding-bottom: 80px;
  overflow: hidden;
}

#hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.hero-container {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-title {
  font-size: clamp(2.8rem, 6.5vw, 5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.typewriter-cursor {
  display: inline-block;
  color: var(--accent-sky);
  font-weight: 300;
  animation: blink 1s step-end infinite;
}

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

.hero-lead {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 620px;
  margin-bottom: 2rem;
}

.hero-contact-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 2.25rem;
}

.contact-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.contact-pill i {
  color: var(--accent-sky);
  font-size: 0.95rem;
}

.contact-pill:hover {
  color: var(--accent-sky);
}

/* Hero Vector Graphic Showcase */
.avatar-showcase {
  position: relative;
  max-width: 480px;
  margin: 0 auto;
}

.vector-graphic-wrapper {
  position: relative;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg), 0 0 45px rgba(56, 189, 248, 0.16);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.vector-graphic-wrapper:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg), 0 0 50px rgba(99, 102, 241, 0.3);
}

.vector-img {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.25));
}

/* Floating Stat Badges */
.floating-badge {
  position: absolute;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--shadow-md);
  z-index: 4;
  animation: float-badge 6s ease-in-out infinite;
}

.floating-badge-1 {
  top: 15px;
  left: -20px;
  animation-delay: 0s;
}

.floating-badge-2 {
  bottom: 30px;
  right: -25px;
  animation-delay: 2s;
}

.floating-badge-3 {
  bottom: -20px;
  left: 20px;
  animation-delay: 4s;
}

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

.badge-icon-box {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}

.badge-icon-box.cyan {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-cyan);
}

.badge-icon-box.indigo {
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-indigo);
}

.badge-icon-box.emerald {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
}

.badge-text-primary {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.1;
}

.badge-text-secondary {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ==========================================================================
   CORE COMPETENCIES & SUMMARY METRICS BAR
   ========================================================================== */

.metrics-section {
  position: relative;
  z-index: 10;
  margin-top: -30px;
  margin-bottom: 60px;
}

.metric-card {
  text-align: center;
  padding: 1.75rem 1.25rem;
}

.metric-number {
  font-size: clamp(2.2rem, 3.8vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.4rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.metric-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.metric-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ==========================================================================
   PROFESSIONAL SUMMARY & CORE PILLARS
   ========================================================================== */

.summary-quote-card {
  position: relative;
  padding: 2.5rem;
  border-left: 4px solid var(--accent-sky);
}

.quote-icon {
  font-size: 2rem;
  color: var(--accent-sky);
  opacity: 0.4;
  margin-bottom: 1rem;
}

.summary-text {
  font-size: 1.12rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.summary-text strong {
  color: var(--text-main);
  font-weight: 600;
}

.pillar-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}

/* ==========================================================================
   TECHNICAL SKILLS MATRIX (INTERACTIVE)
   ========================================================================== */

.skills-filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

.skills-filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.skills-filter-btn:hover {
  color: var(--text-main);
  border-color: var(--accent-sky);
}

.skills-filter-btn.active {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(56, 189, 248, 0.35);
}

.skill-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.skill-tag-pill:hover {
  background: var(--bg-glass-strong);
  border-color: var(--accent-sky);
  color: var(--text-main);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.15);
}

.skill-tag-pill.highlight {
  border-color: rgba(56, 189, 248, 0.4);
  color: var(--accent-sky);
  font-weight: 600;
}

/* ==========================================================================
   EXPERIENCE TIMELINE
   ========================================================================== */

.experience-timeline {
  position: relative;
}

.experience-timeline::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 20px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-sky) 0%, var(--accent-indigo) 60%, transparent 100%);
}

.experience-item {
  position: relative;
  padding-left: 55px;
  margin-bottom: 2.75rem;
}

.experience-marker {
  position: absolute;
  left: 11px;
  top: 6px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--bg-main);
  border: 3px solid var(--accent-sky);
  box-shadow: 0 0 15px var(--accent-sky);
  z-index: 2;
}

.experience-header-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.company-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
}

.role-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.75rem;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-full);
  color: var(--accent-sky);
  font-size: 0.8rem;
  font-weight: 600;
}

.experience-date {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-sky);
  font-family: 'JetBrains Mono', monospace;
}

.experience-bullet-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.experience-bullet-list li {
  position: relative;
  padding-left: 1.6rem;
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.7;
}

.experience-bullet-list li::before {
  content: '✦';
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--accent-sky);
  font-size: 0.9rem;
}

.experience-bullet-list li strong {
  color: var(--text-main);
  font-weight: 600;
}

/* Transition Story Card */
.transition-card {
  border-left: 4px solid var(--accent-emerald);
}

/* ==========================================================================
   FEATURED PROJECTS
   ========================================================================== */

.project-mock-window {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-card);
  background: var(--bg-card);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.project-mock-window:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(56, 189, 248, 0.15);
  transform: translateY(-6px);
}

.window-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid var(--border-subtle);
}

body.light-theme .window-header {
  background: rgba(0, 0, 0, 0.04);
}

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

.window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.window-dot.red { background: #ef4444; }
.window-dot.yellow { background: #f59e0b; }
.window-dot.green { background: #10b981; }

.window-url-bar {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 0.2rem 1rem;
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
  max-width: 280px;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.window-body {
  padding: 2rem;
}



/* ==========================================================================
   CONTACT SECTION & TOAST
   ========================================================================== */

.contact-action-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-main);
  transition: all var(--transition-normal);
}

.contact-action-card:hover {
  border-color: var(--accent-sky);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.15);
}

.contact-icon-wrapper {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  background: var(--bg-surface);
  color: var(--accent-sky);
  border: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.copy-pill-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--accent-sky);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

.copy-pill-btn:hover {
  background: var(--accent-sky);
  color: #fff;
  border-color: var(--accent-sky);
}

/* Toast Notification */
.toast-box {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--bg-surface);
  border: 1px solid var(--accent-sky);
  color: var(--text-main);
  padding: 0.9rem 1.4rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--shadow-lg), 0 0 25px rgba(56, 189, 248, 0.3);
  z-index: 999;
  transform: translateY(100px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.toast-box.show {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.app-footer {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  padding: 3rem 0 2rem;
  position: relative;
  z-index: 10;
}

/* Back to Top Floating Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  left: 30px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  color: var(--accent-sky);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 80;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
}

/* ==========================================================================
   MEDIA QUERIES (RESPONSIVE)
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-wrapper {
    padding-top: 110px;
  }
  .avatar-ring-outer {
    width: 270px;
    height: 270px;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .avatar-ring-outer {
    width: 240px;
    height: 240px;
  }
  .floating-badge {
    position: static;
    margin: 0.5rem auto;
    width: 100%;
    max-width: 280px;
    animation: none;
  }
  .floating-badges-container-mobile {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1.5rem;
  }
  .experience-timeline::before {
    left: 12px;
  }
  .experience-item {
    padding-left: 36px;
  }
  .experience-marker {
    left: 3px;
    width: 16px;
    height: 16px;
  }
  .toast-box {
    left: 20px;
    right: 20px;
    bottom: 20px;
  }
}