/* ==========================================================================
   Design System & Variable Declarations (Gamer HUD System)
   ========================================================================== */
:root {
  /* Color Palette - Default Theme (Neural Edge) */
  --bg-color: #09090b;       /* Obsidian Black */
  --surface-color: #121214;  /* Deep Slate/Zinc-900 */
  --surface-hover: #18181b;  /* Zinc-800 hover */
  --border-color: #27272a;   /* Zinc-800 border */
  --border-focus: #3f3f46;   /* Zinc-700 active */
  
  --text-primary: #f4f4f5;   /* Off-white */
  --text-secondary: #a1a1aa; /* Muted zinc */
  --text-tertiary: #71717a;  /* Dark zinc */
  
  --accent-cyan: #06b6d4;    /* Cyber Cyan */
  --accent-cyan-rgb: 6, 182, 212;
  --accent-emerald: #10b981; /* Neon Emerald */
  --accent-emerald-rgb: 16, 185, 129;
  --accent-violet: #8b5cf6;  /* Purple highlights */
  --accent-violet-rgb: 139, 92, 246;

  /* Font Families */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Outfit', sans-serif;
  --font-mono: 'Fira Code', 'Courier New', monospace;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  /* Spacing system */
  --container-max-width: 1200px;
  --header-height: 80px;
}

body.theme-gaming {
  /* Color Palette - Gaming HUD Theme (Synthwave) */
  --bg-color: #060609;       /* Deep Midnight / Carbon Dark */
  --surface-color: #0d0d13;  /* High-tech HUD card dark */
  --surface-hover: #13131c;  /* Glow hover */
  --border-color: #1f1d26;   /* Muted purple border */
  --border-focus: #7c3aed;   /* Neon Purple border active */
  
  --text-primary: #f8f6fc;   /* Clean white with soft purple hint */
  --text-secondary: #9f98b0; /* Light lavender grey */
  --text-tertiary: #6b637a;  /* Dark lavender grey */
  
  --accent-cyan: #06b6d4;    /* Electric Cyan */
  --accent-cyan-rgb: 6, 182, 212;
  --accent-emerald: #f43f5e; /* Cyber Crimson / Gaming Pink */
  --accent-emerald-rgb: 244, 63, 94;
  --accent-violet: #a855f7;  /* Tactical Purple */
  --accent-violet-rgb: 168, 85, 247;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

p {
  color: var(--text-secondary);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

.font-mono {
  font-family: var(--font-mono) !important;
}

.font-display {
  font-family: var(--font-display) !important;
}

/* Accessibility Focus States (Gamer Glowing Style) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-violet);
  outline-offset: 4px;
}

/* Keyboard Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--accent-emerald);
  color: #060609;
  padding: 12px 24px;
  font-weight: bold;
  font-family: var(--font-mono);
  border-radius: 4px;
  z-index: 9999;
  transition: top var(--transition-fast);
  border: 1px solid var(--border-focus);
}

.skip-link:focus {
  top: 20px;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-violet);
}

/* ==========================================================================
   Gamer HUD Structural Textures
   ========================================================================== */
.hud-scanlines {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(
    rgba(18, 16, 26, 0) 50%, 
    rgba(0, 0, 0, 0.22) 50%
  );
  background-size: 100% 4px;
  z-index: 998;
  pointer-events: none;
  opacity: 0.45;
}

.hud-grid-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.01) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.01) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: -8;
  pointer-events: none;
  opacity: 0.4;
}

#particle-canvas {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  z-index: -10;
  pointer-events: none;
  opacity: 0.55;
  background-color: var(--bg-color);
}

.glow-spot {
  position: fixed;
  width: 45vw;
  height: 45vw;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  opacity: 0.07;
  z-index: -9;
}

.spot-1 {
  background: radial-gradient(circle, var(--accent-violet) 0%, transparent 80%);
  top: -10%;
  right: 5%;
  animation: float-glow-1 25s infinite alternate ease-in-out;
}

.spot-2 {
  background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 80%);
  bottom: -5%;
  left: -5%;
  animation: float-glow-2 30s infinite alternate ease-in-out;
}

@keyframes float-glow-1 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-60px, 60px) scale(1.1); }
}
@keyframes float-glow-2 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(60px, -60px) scale(1.2); }
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.container {
  width: 90%;
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.section-padding {
  padding: 80px 0;
}

@media (min-width: 768px) {
  .section-padding {
    padding: 120px 0;
  }
}

/* Section Title Headers */
.section-title-wrap {
  margin-bottom: 60px;
  position: relative;
}

.section-title-wrap::before {
  content: '+';
  position: absolute;
  left: -20px;
  top: 0;
  color: var(--accent-emerald);
  font-family: var(--font-mono);
  font-weight: bold;
}

.section-subtitle {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--accent-cyan);
  display: block;
  margin-bottom: 8px;
  text-shadow: 0 0 8px rgba(var(--accent-cyan-rgb), 0.25);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 3rem;
  }
}

/* ==========================================================================
   Polygonal Clipped Card Layouts
   ========================================================================== */
.clipped-card {
  position: relative;
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal);
}

.clipped-card::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px; right: -1px; bottom: -1px;
  border: 1px solid transparent;
  border-radius: 4px;
  pointer-events: none;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.clipped-card:hover {
  transform: translateY(-2px);
  border-color: rgba(var(--accent-cyan-rgb), 0.25);
}

.clipped-card:hover::before {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 14px rgba(var(--accent-cyan-rgb), 0.15);
}

/* Tactical Crosshairs on card corners */
.corner {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: bold;
  color: var(--border-focus);
  line-height: 1;
  pointer-events: none;
  opacity: 0.7;
}

.corner.top-left { top: 4px; left: 8px; }
.corner.top-right { top: 4px; right: 8px; }
.corner.bottom-left { bottom: 4px; left: 8px; }
.corner.bottom-right { bottom: 4px; right: 8px; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px 28px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 4px;
  cursor: pointer;
  transition: transform var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary {
  background-color: var(--accent-violet);
  color: #ffffff;
  border: 1px solid rgba(var(--accent-violet-rgb), 0.4);
  box-shadow: 0 4px 15px rgba(var(--accent-violet-rgb), 0.2);
}

.btn-primary:hover {
  background-color: rgba(var(--accent-violet-rgb), 0.85);
  box-shadow: 0 6px 20px rgba(var(--accent-violet-rgb), 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.02);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--border-focus);
  transform: translateY(-1px);
}

.btn-block {
  width: 100%;
}

.btn-icon {
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(3px);
}

/* Tactical brackets around button text */
.btn-tactical span {
  position: relative;
  z-index: 2;
}

/* ==========================================================================
   Header Section & Sticky Menu
   ========================================================================== */
.header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  height: var(--header-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header.scrolled {
  background-color: rgba(6, 6, 9, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: var(--border-color);
}

.header-container {
  width: 90%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.logo-bracket {
  color: var(--accent-cyan);
}

.logo-dot {
  width: 5px;
  height: 5px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-emerald);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 0;
  letter-spacing: 0.05em;
}

.nav-num {
  color: var(--accent-cyan);
  margin-right: 4px;
  font-weight: normal;
  opacity: 0.8;
}

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

.nav-link.active {
  color: var(--accent-violet);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent-violet);
  transition: width var(--transition-normal);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
  z-index: 1001;
}

.toggle-bar {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0; right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--surface-color);
    border-left: 1px solid var(--border-color);
    padding: 100px 32px 40px;
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: right var(--transition-normal);
  }

  .nav.open {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
  }

  .nav-link {
    font-size: 1.1rem;
  }

  .nav-toggle.open .toggle-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .nav-toggle.open .toggle-bar:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.open .toggle-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

/* ==========================================================================
   Hero Section & Player Profile Reveal
   ========================================================================== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: var(--header-height);
  padding-bottom: 60px;
}

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

.player-card {
  position: relative;
  background-color: rgba(13, 13, 19, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  padding: 32px;
  border-radius: 4px;
  max-width: 750px;
  width: 100%;
}

@media (min-width: 768px) {
  .player-card {
    padding: 48px;
  }
}

.player-card-border {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border: 1px solid rgba(255, 255, 255, 0.02);
  pointer-events: none;
}

.player-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(244, 63, 94, 0.05);
  border: 1px solid rgba(var(--accent-emerald-rgb), 0.15);
  padding: 6px 12px;
  border-radius: 4px;
  margin-bottom: 24px;
}

.pulse-beacon {
  width: 6px;
  height: 6px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: beacon-pulse 1.8s infinite ease-in-out;
}

@keyframes beacon-pulse {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.6; }
}

.badge-text {
  font-size: 0.7rem;
  color: var(--accent-emerald);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.player-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-transform: uppercase;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 4rem;
  }
}

.player-class-badge {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 4px;
  letter-spacing: 0.05em;
}

.player-level-badge {
  background-color: rgba(168, 85, 247, 0.05);
  border: 1px solid rgba(var(--accent-violet-rgb), 0.2);
  padding: 8px 14px;
  border-radius: 4px;
  text-align: center;
  flex-shrink: 0;
}

.lvl-label {
  display: block;
  font-size: 0.65rem;
  color: var(--accent-violet);
  letter-spacing: 0.1em;
  font-weight: bold;
}

.lvl-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-violet);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-bottom: 20px;
  font-family: var(--font-display);
}

.typewriter {
  font-weight: 700;
}

.cursor-pipe {
  color: var(--accent-cyan);
  animation: cursor-pipe-blink 1s infinite;
}

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

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-socials {
  display: flex;
  align-items: center;
  gap: 16px;
}

.socials-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
}

.social-slots {
  display: flex;
  gap: 12px;
}

.social-slot-btn {
  width: 40px;
  height: 40px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background-color: rgba(255, 255, 255, 0.01);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: transform var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.social-slot-btn:hover {
  color: var(--accent-cyan);
  border-color: var(--border-focus);
  transform: translateY(-2px);
  box-shadow: 0 0 10px rgba(var(--accent-cyan-rgb), 0.2);
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-mouse {
  width: 24px;
  height: 40px;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  display: block;
  position: relative;
}

.scroll-wheel {
  width: 4px;
  height: 6px;
  background-color: var(--text-secondary);
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px;
  animation: wheel-slide 1.8s infinite ease-in-out;
}

@keyframes wheel-slide {
  0% { top: 6px; opacity: 1; }
  50% { top: 16px; opacity: 0; }
  100% { top: 6px; opacity: 1; }
}

/* ==========================================================================
   About & Stats Strip
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 992px) {
  .about-grid {
    grid-template-columns: 1.4fr 1fr;
    gap: 60px;
  }
}

.about-heading {
  font-size: 1.5rem;
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.about-text {
  font-size: 1rem;
  margin-bottom: 20px;
}

.focus-box {
  background-color: rgba(168, 85, 247, 0.01);
  border: 1px solid rgba(var(--accent-violet-rgb), 0.15);
  padding: 24px;
  margin-top: 32px;
}

.focus-tag {
  font-size: 0.75rem;
  color: var(--accent-violet);
  border: 1px solid rgba(var(--accent-violet-rgb), 0.3);
  padding: 4px 10px;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.focus-desc {
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.5;
}

.info-card {
  padding: 28px;
}

.info-title {
  font-size: 1.1rem;
  font-weight: bold;
  letter-spacing: 0.05em;
  margin-bottom: 28px;
  color: var(--text-primary);
}

.purple-glow {
  color: var(--accent-violet);
  text-shadow: 0 0 8px rgba(var(--accent-violet-rgb), 0.4);
}

/* XP/Progress stat bars */
.stat-bars {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.stat-bar-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: bold;
  color: var(--text-secondary);
}

.stat-bar-track {
  height: 8px;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 2px;
  overflow: hidden;
}

.stat-bar-fill {
  height: 100%;
  width: 0%; /* animated via JS */
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.stat-bar-fill.fill-cyan {
  background-color: var(--accent-cyan);
  box-shadow: 0 0 8px rgba(var(--accent-cyan-rgb), 0.3);
}

.stat-bar-fill.fill-purple {
  background-color: var(--accent-violet);
  box-shadow: 0 0 8px rgba(var(--accent-violet-rgb), 0.3);
}

/* Stat strip slots */
.stats-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
}

.summary-item {
  text-align: center;
}

.summary-item .value {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-cyan);
  line-height: 1.1;
  margin-bottom: 4px;
}

.summary-item .label {
  display: block;
  font-size: 0.65rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Skills Ability Cards
   ========================================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 576px) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .skills-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.skill-card {
  padding: 24px;
}

.skill-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
  padding-bottom: 12px;
}

.skill-category-icon {
  color: var(--accent-cyan);
}

.skill-card:nth-child(even) .skill-category-icon {
  color: var(--accent-violet);
}

.skill-header h3 {
  font-size: 1.1rem;
}

.skill-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.skill-list li {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.perk-tier {
  font-size: 0.65rem;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 2px 8px;
  border-radius: 2px;
  color: var(--text-tertiary);
}

/* ==========================================================================
   Quest Path Timeline (Experience & Education)
   ========================================================================== */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 2px;
  background-color: var(--border-color);
  top: 0; bottom: 0;
  left: 20px;
}

@media (min-width: 768px) {
  .timeline::after {
    left: 50%;
    transform: translateX(-50%);
  }
}

.timeline-item {
  padding: 0 0 50px 45px;
  position: relative;
}

@media (min-width: 768px) {
  .timeline-item {
    padding: 0;
    width: 50%;
    margin-bottom: 40px;
  }
  .timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 48px;
    text-align: right;
  }
  .timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 48px;
    text-align: left;
  }
}

.timeline-dot {
  width: 12px;
  height: 12px;
  background-color: var(--accent-violet);
  border: 2px solid var(--bg-color);
  border-radius: 50%;
  position: absolute;
  left: 15px;
  top: 6px;
  z-index: 1;
  box-shadow: 0 0 8px var(--accent-violet);
  transition: background-color 0.3s, box-shadow 0.3s;
}

.timeline-item.active-node .timeline-dot {
  background-color: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
}

@media (min-width: 768px) {
  .timeline-item:nth-child(odd) .timeline-dot {
    right: -6px;
    left: auto;
  }
  .timeline-item:nth-child(even) .timeline-dot {
    left: -6px;
  }
}

.timeline-date {
  font-size: 0.8rem;
  color: var(--accent-violet);
  margin-bottom: 12px;
  font-weight: 700;
}

.timeline-content {
  padding: 24px;
}

.experience-badge {
  font-size: 0.65rem;
  background-color: rgba(var(--accent-emerald-rgb), 0.05);
  border: 1px solid rgba(var(--accent-emerald-rgb), 0.2);
  color: var(--accent-emerald);
  padding: 3px 8px;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.timeline-job-title {
  font-size: 1.25rem;
  font-weight: bold;
  margin-bottom: 4px;
}

.timeline-company {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 16px;
}

.timeline-location {
  color: var(--text-tertiary);
  font-weight: normal;
}

.timeline-desc {
  font-size: 0.9rem;
  margin-bottom: 16px;
  text-align: left;
}

.timeline-bullets {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.timeline-bullets li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 18px;
  line-height: 1.4;
}

.timeline-bullets li::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

/* ==========================================================================
   Mission Log Cards (Projects)
   ========================================================================== */
.projects-grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.project-card {
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
}

@media (min-width: 992px) {
  .project-card {
    grid-template-columns: 1.15fr 1fr;
  }
}

.project-visual {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}

@media (min-width: 992px) {
  .project-visual {
    height: 100%;
    border-bottom: none;
    border-right: 1px solid var(--border-color);
  }
}

.project-svg {
  width: 100%;
  height: 100%;
  display: block;
}

.animated-path {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: trace-stroke 6s linear infinite;
}

@keyframes trace-stroke {
  to { stroke-dashoffset: 0; }
}

.animated-ping {
  transform-origin: center;
  animation: ping-pulse 2s infinite ease-in-out;
}

@keyframes ping-pulse {
  0% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(1); opacity: 0.8; }
}

.project-info {
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (min-width: 768px) {
  .project-info {
    padding: 36px;
  }
}

.project-category {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
  display: block;
}

.project-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.project-desc {
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.tag {
  font-size: 0.7rem;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 4px 8px;
  border-radius: 2px;
  color: var(--text-secondary);
}

.project-highlights {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.project-highlights li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.achievement-icon {
  color: var(--accent-emerald);
}

.project-links {
  display: flex;
  gap: 16px;
}

.project-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: bold;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 10px 16px;
  border-radius: 4px;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.project-link-btn:hover {
  background-color: rgba(255, 255, 255, 0.03);
  border-color: var(--border-focus);
}

/* ==========================================================================
   Education archives
   ========================================================================== */
.education-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .education-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.education-card {
  padding: 24px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.edu-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 4px;
  background-color: rgba(6, 182, 212, 0.03);
  border: 1px solid rgba(var(--accent-cyan-rgb), 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.education-card:nth-child(even) .edu-icon-wrap {
  background-color: rgba(168, 85, 247, 0.03);
  border-color: rgba(var(--accent-violet-rgb), 0.15);
  color: var(--accent-violet);
}

.edu-content {
  display: flex;
  flex-direction: column;
}

.edu-period {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  margin-bottom: 6px;
  display: block;
}

.education-card:nth-child(even) .edu-period {
  color: var(--accent-violet);
}

.education-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
  line-height: 1.35;
}

.edu-institution {
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 12px;
}

.edu-details {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ==========================================================================
   Unlocked badging cards
   ========================================================================== */
.achievements-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 576px) {
  .achievements-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .achievements-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.achievement-card {
  padding: 24px;
  text-align: center;
}

.achievement-badge-container {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  margin-bottom: 16px;
  box-shadow: 0 0 10px transparent;
  transition: box-shadow 0.3s, transform 0.3s;
}

.achievement-card:hover .achievement-badge-container {
  transform: scale(1.1);
  box-shadow: 0 0 15px rgba(var(--accent-cyan-rgb), 0.15);
}

.achievement-icon {
  font-size: 1.35rem;
}

.achievement-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.achievement-card p.font-mono {
  font-size: 0.65rem;
  margin-bottom: 12px;
}

.achievement-text {
  font-size: 0.85rem;
  line-height: 1.4;
}

/* ==========================================================================
   Comms Link form Panel
   ========================================================================== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

@media (min-width: 992px) {
  .contact-layout {
    grid-template-columns: 1fr 1.15fr;
    gap: 60px;
  }
}

.contact-info-title {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.contact-info-desc {
  font-size: 0.95rem;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-detail-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  color: var(--accent-cyan);
  background-color: rgba(6, 182, 212, 0.02);
  border: 1px solid rgba(var(--accent-cyan-rgb), 0.15);
  width: 40px;
  height: 40px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 10px;
}

.contact-detail-item h4 {
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: 4px;
}

.contact-detail-item span,
.contact-link {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-family: var(--font-display);
}

.contact-link:hover {
  color: var(--accent-cyan);
}

.contact-form {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 768px) {
  .contact-form {
    padding: 36px;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.75rem;
  font-weight: bold;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.required {
  color: var(--accent-emerald);
}

.form-input {
  background-color: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 10px 14px;
  font-size: 0.85rem;
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  border-color: var(--accent-violet);
  box-shadow: 0 0 10px rgba(var(--accent-violet-rgb), 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.error-msg {
  font-size: 0.7rem;
  color: var(--accent-emerald);
  margin-top: 2px;
  display: none;
}

.form-input.invalid {
  border-color: var(--accent-emerald);
}

.form-input.invalid + .error-msg {
  display: block;
}

.form-alert {
  display: none;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  border-radius: 4px;
  margin-top: 16px;
  font-size: 0.85rem;
}

.form-alert.success {
  background-color: rgba(16, 185, 129, 0.04);
  border: 1px solid rgba(var(--accent-emerald-rgb), 0.25);
  color: var(--accent-emerald);
}

.form-alert.error {
  background-color: rgba(244, 63, 94, 0.04);
  border: 1px solid rgba(244, 63, 94, 0.25);
  color: #fb7185;
}

.alert-icon {
  flex-shrink: 0;
}

.form-alert strong {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.form-alert span {
  font-size: 0.75rem;
  opacity: 0.9;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 48px 0 32px;
  background-color: var(--bg-color);
}

.footer-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 768px) {
  .footer-container {
    grid-template-columns: 2fr 1fr;
    align-items: center;
  }
}

.footer-logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
  display: inline-block;
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 0.85rem;
  max-width: 320px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

@media (min-width: 768px) {
  .footer-links {
    justify-content: flex-end;
  }
}

.footer-social-link {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.footer-social-link:hover {
  color: var(--accent-cyan);
}

.footer-copy {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(255, 255, 255, 0.02);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

@media (min-width: 768px) {
  .footer-copy {
    flex-direction: row;
    justify-content: space-between;
  }
}

.built-info {
  font-size: 0.75rem;
}

/* ==========================================================================
   HUD Settings Console
   ========================================================================== */
.model-console {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  background-color: rgba(13, 13, 19, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  width: 320px;
  max-width: calc(100vw - 48px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  transition: border-color var(--transition-normal);
}

.model-console:hover {
  border-color: rgba(var(--accent-cyan-rgb), 0.25);
}

.console-toggle {
  width: 100%;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  background-color: rgba(255, 255, 255, 0.01);
  border-bottom: 1px solid transparent;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 700;
}

.model-console.expanded .console-toggle {
  border-bottom-color: var(--border-color);
}

.gear-icon {
  color: var(--accent-cyan);
  transition: transform var(--transition-normal);
}

.model-console.expanded .gear-icon {
  transform: rotate(90deg);
  color: var(--accent-emerald);
}

.toggle-text {
  flex-grow: 1;
}

.live-indicator {
  font-size: 0.6rem;
  font-weight: bold;
  background-color: rgba(244, 63, 94, 0.1);
  color: var(--accent-emerald);
  padding: 2px 6px;
  border-radius: 2px;
  border: 1px solid rgba(var(--accent-emerald-rgb), 0.2);
  animation: blink-live 2s infinite alternate ease-in-out;
}

@keyframes blink-live {
  0% { opacity: 0.6; }
  100% { opacity: 1; }
}

.console-body {
  padding: 16px;
  display: none;
  flex-direction: column;
  gap: 16px;
  max-height: 380px;
  overflow-y: auto;
}

.model-console.expanded .console-body {
  display: flex;
}

.console-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  padding-bottom: 12px;
}

.console-section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.console-section h4 {
  font-size: 0.7rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.diagnostic-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 12px;
  background-color: rgba(0, 0, 0, 0.3);
  padding: 10px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.01);
}

.diag-item {
  font-size: 0.65rem;
  display: flex;
  justify-content: space-between;
}

.diag-item span {
  color: var(--text-secondary);
}

.diag-item strong {
  color: var(--text-primary);
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.control-group label {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.slider-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
}

.slider-wrapper input[type="range"] {
  flex-grow: 1;
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  outline: none;
  -webkit-appearance: none;
}

.slider-wrapper input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-cyan);
  cursor: pointer;
  box-shadow: 0 0 6px var(--accent-cyan);
  transition: transform 0.15s;
}

.slider-wrapper input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.value-display {
  font-size: 0.65rem;
  color: var(--accent-cyan);
  min-width: 40px;
  text-align: right;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.radio-label input[type="radio"],
.radio-label input[type="checkbox"] {
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

.radio-label span {
  transition: color var(--transition-fast);
}

.radio-label:hover span {
  color: var(--text-primary);
}

/* Custom Cursor Trail Settings */
.trail-pointer {
  position: fixed;
  width: 12px;
  height: 12px;
  background: radial-gradient(circle, rgba(var(--accent-cyan-rgb), 0.9) 0%, transparent 80%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s;
}

.trail-pointer.active {
  opacity: 1;
}

/* ==========================================================================
   Scroll-Driven Animations & Performance Tweaks
   ========================================================================== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.scroll-reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: hud-power-on 1.2s forwards cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.25s; }
.fade-in:nth-child(3) { animation-delay: 0.4s; }
.fade-in:nth-child(4) { animation-delay: 0.5s; }

@keyframes hud-power-on {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Reduced Motion overrides */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-delay: -1ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    background-attachment: initial !important;
    scroll-behavior: auto !important;
    transition-duration: 0s !important;
    transition-delay: 0s !important;
  }
  
  #particle-canvas, .glow-spot, .model-console, .trail-pointer, .hud-scanlines {
    display: none !important;
  }
  
  .scroll-reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}