/* ==========================================================================
   RUSIRU RANDIKA - DATA ANALYTICS & AUTOMATION PORTFOLIO STYLESHEET
   ========================================================================== */

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

/* --- Custom Properties / Design Tokens --- */
:root {
  /* Color Palette - Dark Theme (Default) */
  --bg-primary: #070913;
  --bg-secondary: #0f1322;
  --bg-tertiary: #171d33;
  --bg-elevated: rgba(23, 29, 51, 0.85);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0b0f19;

  --accent-primary: #6366f1;       /* Electric Indigo */
  --accent-primary-hover: #4f46e5;
  --accent-primary-glow: rgba(99, 102, 241, 0.35);

  --accent-secondary: #06b6d4;     /* Cyber Cyan */
  --accent-secondary-glow: rgba(6, 182, 212, 0.35);

  --accent-emerald: #10b981;       /* Neon Emerald */
  --accent-emerald-glow: rgba(16, 185, 129, 0.3);

  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-violet: #8b5cf6;

  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
  --gradient-card-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(6, 182, 212, 0.05));
  --gradient-text: linear-gradient(135deg, #ffffff 30%, #94a3b8 100%);
  --gradient-accent-text: linear-gradient(135deg, #818cf8 0%, #38bdf8 50%, #34d399 100%);
  --gradient-border: linear-gradient(135deg, rgba(99, 102, 241, 0.4), rgba(6, 182, 212, 0.1), transparent 80%);

  /* Glassmorphism Tokens */
  --glass-bg: rgba(15, 19, 34, 0.75);
  --glass-bg-hover: rgba(23, 29, 51, 0.88);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(99, 102, 241, 0.4);
  --glass-shadow: 0 12px 35px -10px rgba(0, 0, 0, 0.5);
  --glass-blur: blur(16px);

  /* Sizing & Radius */
  --container-max: 1200px;
  --nav-height: 80px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Light Theme Token Overrides --- */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-tertiary: #e2e8f0;
  --bg-elevated: rgba(255, 255, 255, 0.9);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;

  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-bg-hover: rgba(255, 255, 255, 0.95);
  --glass-border: rgba(15, 23, 42, 0.08);
  --glass-border-hover: rgba(99, 102, 241, 0.4);
  --glass-shadow: 0 10px 30px -10px rgba(99, 102, 241, 0.12);

  --gradient-text: linear-gradient(135deg, #0f172a 30%, #475569 100%);
  --gradient-card-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(6, 182, 212, 0.03));
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* --- Interactive Particle Canvas --- */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.65;
}

/* --- Glow Spotlight Follower --- */
.cursor-spotlight {
  position: fixed;
  top: 0;
  left: 0;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-primary-glow) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 1;
  opacity: 0.5;
  transition: opacity 0.3s ease;
}

/* --- Layout Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 2;
}

section {
  padding: 5.5rem 0;
  position: relative;
}

/* --- Section Header Utilities --- */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-secondary);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* --- Buttons & UI Elements --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.8rem 1.6rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--accent-primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  color: var(--text-primary);
  border-color: var(--glass-border);
}

.btn-secondary:hover {
  background: var(--glass-bg-hover);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  color: var(--accent-primary);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

/* --- Navigation Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), border-color var(--transition-normal);
}

.header.scrolled {
  background-color: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.15);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  box-shadow: 0 2px 10px var(--accent-primary-glow);
}

.brand-text span {
  color: var(--accent-secondary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.4rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-normal);
  border-radius: var(--radius-full);
}

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

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

.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.icon-toggle-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.icon-toggle-btn:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.hamburger-btn {
  display: none;
}

/* Mobile Nav Drawer */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.mobile-nav-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100%;
  background: var(--bg-secondary);
  border-left: 1px solid var(--glass-border);
  z-index: 999;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-smooth);
}

.mobile-drawer.open {
  transform: translateX(-320px);
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-nav-link {
  text-decoration: none;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: color var(--transition-fast);
}

.mobile-nav-link.active,
.mobile-nav-link:hover {
  color: var(--accent-primary);
}

/* --- HERO SECTION --- */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + 2rem);
  padding-bottom: 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1.1rem;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-emerald);
  margin-bottom: 1.5rem;
}

.status-dot {
  width: 9px;
  height: 9px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5.2vw, 4rem);
  font-weight: 900;
  line-height: 1.12;
  margin-bottom: 1.2rem;
  letter-spacing: -0.02em;
}

.hero-title .greeting {
  display: block;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

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

.hero-roles {
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  color: var(--accent-secondary);
  min-height: 2.2rem;
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.typed-cursor {
  display: inline-block;
  width: 3px;
  height: 1.3em;
  background-color: var(--accent-secondary);
  margin-left: 4px;
  animation: blink 0.8s infinite;
  vertical-align: middle;
}

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

.hero-description {
  font-size: 1.12rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 580px;
  margin-bottom: 2rem;
}

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

/* Quick Stats Ribbon */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--accent-primary);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Hero Visual / Avatar Card with Photo Frame */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.avatar-card-wrapper {
  position: relative;
  width: 100%;
  max-width: 350px;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-glow-bg {
  position: absolute;
  inset: -15px;
  background: var(--gradient-primary);
  border-radius: 50%;
  filter: blur(35px);
  opacity: 0.55;
  animation: morphGlow 8s ease-in-out infinite alternate;
  z-index: 1;
}

@keyframes morphGlow {
  0% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(180deg) scale(1.05); }
  100% { transform: rotate(360deg) scale(1); }
}

.avatar-card {
  position: relative;
  width: 100%;
  height: 100%;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 3px solid rgba(99, 102, 241, 0.5);
  border-radius: 50%;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 35px var(--accent-primary-glow);
  z-index: 2;
  overflow: hidden;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.avatar-card:hover {
  border-color: var(--accent-secondary);
  transform: scale(1.03);
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  border-radius: 50%;
}

.floating-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  z-index: 3;
  animation: float 4s ease-in-out infinite;
}

.floating-chip.top-right { top: -10px; right: -10px; animation-delay: 0s; }
.floating-chip.bottom-left { bottom: 20px; left: -20px; animation-delay: 1.5s; }
.floating-chip.bottom-right { bottom: -10px; right: 20px; animation-delay: 2.5s; }

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

/* --- ABOUT & BENTO GRID SECTION --- */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
}

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

.bento-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-hover);
  box-shadow: 0 15px 35px -5px var(--accent-primary-glow);
}

.bento-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.bento-card-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
}

.bento-card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.bento-col-7 { grid-column: span 7; }
.bento-col-5 { grid-column: span 5; }
.bento-col-12 { grid-column: span 12; }

.bio-lead {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.bio-text {
  font-size: 0.98rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

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

.bio-tag {
  font-size: 0.8rem;
  padding: 0.3rem 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
}

.clock-display {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.live-time {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent-secondary);
}

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

.location-detail {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Developer Terminal */
.terminal-window {
  background: #090c15;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.6);
}

.terminal-header {
  background: #121727;
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.terminal-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.terminal-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.dot-red { background-color: #ef4444; }
.dot-yellow { background-color: #f59e0b; }
.dot-green { background-color: #10b981; }

.terminal-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.terminal-body {
  padding: 1.25rem;
  min-height: 200px;
  max-height: 260px;
  overflow-y: auto;
  color: #cbd5e1;
}

.terminal-history {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.terminal-output-line { line-height: 1.5; }
.terminal-output-line.success { color: #34d399; }
.terminal-output-line.info { color: #38bdf8; }
.terminal-output-line.warning { color: #fbbf24; }
.terminal-output-line.error { color: #f87171; }

.terminal-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.terminal-prompt { color: var(--accent-emerald); font-weight: 700; }
.terminal-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: #f8fafc;
}

/* --- SKILLS & TECH STACK SECTION --- */
.skills-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.skill-tab-btn {
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.skill-tab-btn:hover,
.skill-tab-btn.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 4px 15px var(--accent-primary-glow);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.skill-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-hover);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
}

.skill-card:hover::before { opacity: 1; }

.skill-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.skill-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.skill-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  font-size: 1.2rem;
}

.skill-name {
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text-primary);
}

.skill-level-text {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-secondary);
}

.skill-progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skill-progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  width: 0%;
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- PROJECTS SHOWCASE SECTION --- */
.project-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.55rem 1.25rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 15px var(--accent-primary-glow);
}

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

.project-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--glass-shadow);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--glass-border-hover);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.6);
}

.project-banner {
  height: 190px;
  position: relative;
  overflow: hidden;
  background: #0f172a;
}

.project-banner-canvas {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}

.project-card:hover .project-banner-canvas { transform: scale(1.05); }

.project-category-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.3rem 0.8rem;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-secondary);
}

.project-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.project-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex: 1;
}

.project-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.5rem;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: var(--accent-primary);
  border-radius: var(--radius-sm);
}

.project-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: 1px solid var(--glass-border);
}

/* --- EXPERIENCE & EDUCATION TIMELINE --- */
.timeline {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
  background: var(--bg-tertiary);
}

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

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

.timeline-dot {
  position: absolute;
  top: 6px;
  left: -2rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-primary);
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 10px var(--accent-primary);
}

.timeline-content {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.timeline-content:hover {
  transform: translateX(6px);
  border-color: var(--accent-primary);
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-secondary);
  margin-bottom: 0.35rem;
}

.timeline-role {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.timeline-company {
  font-size: 0.95rem;
  color: var(--accent-emerald);
  margin-bottom: 0.85rem;
  font-weight: 600;
}

.timeline-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.timeline-list {
  list-style: none;
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.timeline-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.timeline-list li::before {
  content: '▹';
  color: var(--accent-primary);
  font-weight: bold;
}

/* Certifications Grid */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}

.cert-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all var(--transition-normal);
}

.cert-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-secondary);
}

.cert-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(6, 182, 212, 0.12);
  color: var(--accent-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.cert-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.cert-issuer {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- TESTIMONIALS SLIDER --- */
.testimonials-slider {
  max-width: 820px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.testimonial-slide {
  min-width: 100%;
  padding: 0 1rem;
}

.testimonial-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
}

.testimonial-quote {
  font-size: 1.15rem;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
}

.author-info h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.author-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider-dot.active {
  width: 28px;
  border-radius: var(--radius-full);
  background: var(--accent-primary);
}

/* --- CONTACT SECTION --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-normal);
}

.contact-card:hover {
  border-color: var(--accent-primary);
  transform: translateX(4px);
}

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

.contact-card-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.contact-card-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.contact-card-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Contact Form */
.contact-form {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: var(--glass-shadow);
}

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

.form-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

[data-theme="light"] .form-input,
[data-theme="light"] .form-textarea {
  background: rgba(255, 255, 255, 0.8);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-glow);
}

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

/* --- FOOTER --- */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--glass-border);
  background: var(--bg-secondary);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

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

.footer-socials {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.social-link:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

/* --- PROJECT DETAIL MODAL (<dialog>) --- */
.project-modal {
  position: fixed;
  inset: 0;
  margin: auto;
  max-width: 760px;
  width: 90%;
  max-height: 85vh;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border-hover);
  border-radius: var(--radius-lg);
  padding: 0;
  color: var(--text-primary);
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8);
  overflow: hidden;
  z-index: 1000;
}

.project-modal::backdrop {
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
}

.modal-header {
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--glass-border);
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.modal-close-btn:hover { color: var(--accent-rose); }

.modal-body {
  padding: 2rem;
  overflow-y: auto;
  max-height: calc(85vh - 140px);
}

.modal-hero-preview {
  height: 220px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 1.5rem;
  background: #0f172a;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1rem 0 1.5rem 0;
}

.modal-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.modal-features-list li svg {
  color: var(--accent-emerald);
  flex-shrink: 0;
  margin-top: 3px;
}

.modal-footer {
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  background: rgba(0, 0, 0, 0.1);
}

/* --- TOAST NOTIFICATIONS --- */
.toast-container {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 2000;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  background: var(--bg-elevated);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  transform: translateY(20px);
  opacity: 0;
  animation: slideToast 0.3s forwards ease-out;
}

@keyframes slideToast {
  to { transform: translateY(0); opacity: 1; }
}

.toast.toast-success { border-color: var(--accent-emerald); }
.toast.toast-error { border-color: var(--accent-rose); }

/* --- BACK TO TOP --- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 99;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: all var(--transition-normal);
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
  transform: translateY(-3px);
}

/* ==========================================================================
   INTERACTIVE AI PORTFOLIO CHATBOT STYLES
   ========================================================================== */
.chatbot-wrapper {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1500;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

/* Teaser Bubble */
.chatbot-teaser {
  background: var(--bg-elevated);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border-hover);
  border-radius: var(--radius-md);
  padding: 0.6rem 1rem;
  margin-bottom: 0.75rem;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  font-size: 0.85rem;
  color: var(--text-primary);
  cursor: pointer;
  position: relative;
  animation: floatTeaser 3.5s ease-in-out infinite alternate;
  user-select: none;
}

.chatbot-teaser strong {
  color: var(--accent-secondary);
}

.chatbot-teaser::after {
  content: '';
  position: absolute;
  bottom: -6px;
  right: 22px;
  width: 10px;
  height: 10px;
  background: var(--bg-elevated);
  border-right: 1px solid var(--glass-border-hover);
  border-bottom: 1px solid var(--glass-border-hover);
  transform: rotate(45deg);
}

@keyframes floatTeaser {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-5px); }
}

/* Floating Launcher Button */
.chatbot-launcher {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--gradient-primary);
  border: none;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 30px var(--accent-primary-glow), 0 0 15px rgba(6, 182, 212, 0.4);
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.chatbot-launcher:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 12px 35px rgba(99, 102, 241, 0.6), 0 0 25px rgba(6, 182, 212, 0.6);
}

.chatbot-launcher .launcher-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.chatbot-launcher .close-icon {
  position: absolute;
  opacity: 0;
  transform: rotate(-90deg) scale(0.6);
}

.chatbot-launcher.active .chat-icon {
  opacity: 0;
  transform: rotate(90deg) scale(0.6);
}

.chatbot-launcher.active .close-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.chatbot-unread-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 20px;
  height: 20px;
  background: #ef4444;
  color: #fff;
  border-radius: 50%;
  font-size: 0.72rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bg-primary);
  box-shadow: 0 0 8px #ef4444;
  animation: pulseDot 2s infinite;
}

/* Chatbot Main Window */
.chatbot-window {
  position: fixed;
  bottom: 6.2rem;
  right: 2rem;
  width: 380px;
  height: 540px;
  max-height: calc(100vh - 120px);
  max-width: calc(100vw - 2.5rem);
  background: var(--bg-secondary);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border-hover);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 60px -10px rgba(0, 0, 0, 0.8), 0 0 30px var(--accent-primary-glow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 1500;
  transform: scale(0.9) translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

.chatbot-window.open {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* Chat Header */
.chatbot-header {
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.25) 0%, rgba(6, 182, 212, 0.15) 100%), var(--bg-secondary);
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chatbot-header-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.bot-avatar-header {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 2px 10px var(--accent-primary-glow);
}

.bot-header-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.bot-status {
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.bot-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 6px var(--accent-emerald);
}

.chatbot-header-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.chat-tool-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  width: 30px;
  height: 30px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chat-tool-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

/* Chat Messages Container */
.chatbot-messages {
  flex: 1;
  padding: 1.25rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  scroll-behavior: smooth;
}

.chat-msg {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  max-width: 90%;
  animation: slideMsg 0.25s ease-out forwards;
}

@keyframes slideMsg {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-msg-user {
  margin-left: auto;
  flex-direction: row-reverse;
}

.chat-msg-bot {
  margin-right: auto;
}

.bot-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(99, 102, 241, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.msg-bubble {
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  line-height: 1.55;
  border-radius: var(--radius-md);
  word-break: break-word;
}

.chat-msg-user .msg-bubble {
  background: var(--gradient-primary);
  color: #ffffff;
  border-bottom-right-radius: 4px;
}

.chat-msg-bot .msg-bubble {
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
}

.chat-heading {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--accent-secondary);
}

.chat-msg-bot a {
  color: var(--accent-secondary);
  font-weight: 600;
  text-decoration: underline;
}

/* Typing Indicator Animation */
.typing-dots {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0.6rem 0.9rem !important;
}

.typing-dots span {
  width: 6px;
  height: 6px;
  background: var(--accent-secondary);
  border-radius: 50%;
  animation: typingBounce 1.2s infinite ease-in-out;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
  40% { transform: translateY(-5px); opacity: 1; }
}

/* Quick Prompt Suggestion Chips */
.chatbot-chips {
  padding: 0.5rem 1rem;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  border-top: 1px solid var(--glass-border);
  background: rgba(0, 0, 0, 0.15);
  scrollbar-width: none;
}

.chatbot-chips::-webkit-scrollbar { display: none; }

.chat-chip {
  flex-shrink: 0;
  padding: 0.35rem 0.75rem;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.chat-chip:hover {
  color: var(--accent-secondary);
  border-color: var(--accent-secondary);
  background: rgba(6, 182, 212, 0.1);
  transform: translateY(-1px);
}

/* Chat Input Bar */
.chatbot-input-bar {
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.chatbot-input-field {
  flex: 1;
  padding: 0.7rem 1rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.88rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

[data-theme="light"] .chatbot-input-field {
  background: rgba(255, 255, 255, 0.9);
}

.chatbot-input-field:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--accent-primary-glow);
}

.chatbot-send-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--gradient-primary);
  border: none;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.chatbot-send-btn:hover {
  transform: scale(1.08);
}

/* --- RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-roles, .hero-cta {
    justify-content: center;
  }
  .hero-stats {
    max-width: 480px;
    margin: 0 auto;
  }
  .bento-col-7, .bento-col-5 {
    grid-column: span 12;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .hamburger-btn {
    display: flex;
  }
  section {
    padding: 4rem 0;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .toast-container {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
  }
  .chatbot-wrapper {
    bottom: 1.25rem;
    right: 1.25rem;
  }
  .chatbot-window {
    bottom: 5.5rem;
    right: 1.25rem;
    width: calc(100vw - 2.5rem);
    height: 480px;
  }
}

/* --- ACCESSIBILITY / REDUCED MOTION --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  #particle-canvas {
    display: none;
  }
}