/* ==========================================================================
   CKV PO1 — PROTOTYPE 03: GLITCH
   Minimalist Cyberpunk Dark Theme (#050508)
   Author: Matthijs van der Elst — VWO 4 CKV
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  --bg-primary: #050508;
  --bg-secondary: #0a0b12;
  --bg-card: rgba(13, 15, 26, 0.85);
  --bg-card-hover: rgba(18, 21, 37, 0.95);
  --bg-elevated: #14172a;
  
  --neon-cyan: #00f0ff;
  --neon-magenta: #ff0055;
  --neon-green: #00ff9d;
  --neon-purple: #9d4edd;
  
  --text-primary: #ffffff;
  --text-secondary: #a3adc2;
  --text-muted: #5e6682;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-cyan: rgba(0, 240, 255, 0.3);
  --border-magenta: rgba(255, 0, 85, 0.3);
  --border-green: rgba(0, 255, 157, 0.3);

  --glow-cyan: 0 0 25px rgba(0, 240, 255, 0.25);
  --glow-magenta: 0 0 25px rgba(255, 0, 85, 0.25);
  --glow-green: 0 0 25px rgba(0, 255, 157, 0.25);

  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Silky smooth easing as requested */
  --ease-cyber: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease-cyber);
  --transition-normal: 0.35s var(--ease-cyber);
  --transition-slow: 0.5s var(--ease-cyber);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body.cyber-theme {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Cyber Atmosphere: Scanlines & Grid --- */
.cyber-scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    rgba(18, 16, 38, 0) 50%, 
    rgba(0, 0, 0, 0.25) 50%
  );
  background-size: 100% 4px;
  z-index: 99;
  opacity: 0.45;
}

.cyber-grid-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: 
    radial-gradient(circle at 50% 50%, rgba(0, 240, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 32px 32px, 96px 96px, 96px 96px;
  z-index: 1;
}

.ambient-glow {
  position: fixed;
  width: 550px;
  height: 550px;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.12;
  transition: opacity 1s ease;
}

.ambient-glow.cyan {
  top: -100px;
  right: -100px;
  background: var(--neon-cyan);
}

.ambient-glow.magenta {
  bottom: 10%;
  left: -150px;
  background: var(--neon-magenta);
}

/* --- HUD Header & Navigation --- */
.hud-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(5, 5, 8, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: border-color var(--transition-normal);
}

.hud-header:hover {
  border-bottom-color: rgba(0, 240, 255, 0.25);
}

.hud-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

/* Left Brand */
.hud-brand {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--neon-green);
  box-shadow: 0 0 10px var(--neon-green);
  animation: pulse-dot 2s infinite ease-in-out;
}

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

.brand-code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

.brand-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.brand-meta .sep {
  color: var(--border-cyan);
}

/* Center Nav Tabs */
.hud-nav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(10, 11, 18, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: 30px;
  padding: 0.3rem 0.4rem;
}

.nav-tab {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.55rem 1.1rem;
  border-radius: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  transition: color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
  outline: none;
}

.nav-tab .tab-index {
  font-size: 0.7rem;
  color: var(--neon-cyan);
  opacity: 0.7;
  font-weight: 700;
}

.nav-tab:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.nav-tab.active {
  color: #000000;
  background: var(--neon-cyan);
  font-weight: 600;
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.4);
}

.nav-tab.active .tab-index {
  color: #000000;
  opacity: 0.85;
}

/* Right Controls */
.hud-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.hud-ctrl-btn {
  background: rgba(18, 20, 32, 0.7);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.5rem 0.85rem;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all var(--transition-fast);
  outline: none;
}

.hud-ctrl-btn:hover {
  color: var(--text-primary);
  border-color: var(--neon-cyan);
  background: rgba(0, 240, 255, 0.08);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.15);
}

.hud-ctrl-btn.active {
  border-color: var(--neon-green);
  color: var(--neon-green);
  background: rgba(0, 255, 157, 0.08);
}

/* Sound wave icon */
.sound-wave-icon {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
}

.sound-wave-icon i {
  display: block;
  width: 2px;
  background-color: currentColor;
  border-radius: 1px;
  height: 100%;
  animation: sound-pulse 1.2s infinite ease-in-out alternate;
}

.sound-wave-icon i:nth-child(1) { height: 40%; animation-delay: 0.1s; }
.sound-wave-icon i:nth-child(2) { height: 90%; animation-delay: 0.3s; }
.sound-wave-icon i:nth-child(3) { height: 60%; animation-delay: 0.2s; }
.sound-wave-icon i:nth-child(4) { height: 100%; animation-delay: 0.4s; }

.hud-ctrl-btn.muted .sound-wave-icon i {
  animation: none;
  height: 20%;
  opacity: 0.4;
}

@keyframes sound-pulse {
  0% { transform: scaleY(0.3); }
  100% { transform: scaleY(1); }
}

/* --- Main Viewport --- */
.main-viewport {
  position: relative;
  z-index: 10;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem 1.5rem;
}

/* Tab Panels */
.tab-panel {
  display: none;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.tab-panel.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
  animation: panelFadeIn 0.4s var(--ease-cyber) forwards;
}

@keyframes panelFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Section Hero --- */
.section-hero {
  margin-bottom: 2.5rem;
}

.section-tag-line {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.cyber-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  text-transform: uppercase;
  display: inline-block;
}

.cyber-tag.cyan {
  background: rgba(0, 240, 255, 0.1);
  color: var(--neon-cyan);
  border: 1px solid var(--border-cyan);
}

.cyber-tag.magenta {
  background: rgba(255, 0, 85, 0.1);
  color: var(--neon-magenta);
  border: 1px solid var(--border-magenta);
}

.cyber-tag.green {
  background: rgba(0, 255, 157, 0.1);
  color: var(--neon-green);
  border: 1px solid var(--border-green);
}

.cyber-tag.ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.hero-tagline {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--text-secondary);
  max-width: 800px;
  font-weight: 300;
}

/* ==========================================================================
   AUTHENTIC CSS GLITCH EFFECT (Hover & Active)
   ========================================================================== */
.glitch {
  position: relative;
  display: inline-block;
  color: #ffffff;
  cursor: default;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  clip-path: inset(0 0 0 0);
  opacity: 0;
  pointer-events: none;
}

.glitch:hover::before,
.glitch.auto-glitch::before {
  opacity: 0.95;
  text-shadow: -2.5px 0 var(--neon-magenta);
  left: -2px;
  animation: glitch-anim-1 0.75s infinite linear alternate-reverse;
}

.glitch:hover::after,
.glitch.auto-glitch::after {
  opacity: 0.95;
  text-shadow: 2.5px 0 var(--neon-cyan);
  left: 2px;
  animation: glitch-anim-2 0.75s infinite linear alternate-reverse;
}

.glitch:hover {
  text-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

@keyframes glitch-anim-1 {
  0%   { clip-path: inset(18% 0 62% 0); transform: skew(0.5deg) translate(-1px, 0); }
  20%  { clip-path: inset(78% 0 8% 0);  transform: skew(-0.8deg) translate(2px, 0); }
  40%  { clip-path: inset(38% 0 42% 0); transform: skew(0.6deg) translate(-2px, 0); }
  60%  { clip-path: inset(8% 0 78% 0);  transform: skew(-0.4deg) translate(1px, 0); }
  80%  { clip-path: inset(58% 0 22% 0); transform: skew(0.7deg) translate(-1px, 0); }
  100% { clip-path: inset(28% 0 52% 0); transform: skew(-0.5deg) translate(2px, 0); }
}

@keyframes glitch-anim-2 {
  0%   { clip-path: inset(62% 0 18% 0); transform: skew(-0.5deg) translate(2px, 0); }
  20%  { clip-path: inset(8% 0 78% 0);  transform: skew(0.8deg) translate(-2px, 0); }
  40%  { clip-path: inset(48% 0 38% 0); transform: skew(-0.6deg) translate(1px, 0); }
  60%  { clip-path: inset(78% 0 8% 0);  transform: skew(0.4deg) translate(-1px, 0); }
  80%  { clip-path: inset(22% 0 58% 0); transform: skew(-0.7deg) translate(2px, 0); }
  100% { clip-path: inset(48% 0 28% 0); transform: skew(0.5deg) translate(-1px, 0); }
}

/* --- Cyber Cards General Styling --- */
.cyber-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 1.75rem;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal), background-color var(--transition-normal);
}

.cyber-card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 20px;
  width: 40px;
  height: 2px;
  background: var(--neon-cyan);
  opacity: 0.4;
  transition: width var(--transition-normal), opacity var(--transition-normal);
}

.cyber-card:hover::before {
  width: 80px;
  opacity: 0.9;
}

.cyber-card.glowing-cyan {
  border-color: rgba(0, 240, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35), var(--glow-cyan);
}

.cyber-card.glowing-magenta {
  border-color: rgba(255, 0, 85, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35), var(--glow-magenta);
}

.cyber-card.glowing-green {
  border-color: rgba(0, 255, 157, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35), var(--glow-green);
}

.card-header-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.2rem;
}

.card-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.status-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  text-transform: uppercase;
}

.status-pill.cyan {
  background: rgba(0, 240, 255, 0.12);
  color: var(--neon-cyan);
  border: 1px solid var(--border-cyan);
}

.status-pill.magenta {
  background: rgba(255, 0, 85, 0.12);
  color: var(--neon-magenta);
  border: 1px solid var(--border-magenta);
}

.status-pill.green {
  background: rgba(0, 255, 157, 0.12);
  color: var(--neon-green);
  border: 1px solid var(--border-green);
}

/* --- Statement Card --- */
.statement-card {
  margin-bottom: 2.5rem;
}

.statement-body {
  position: relative;
}

.quote-mark {
  font-family: var(--font-display);
  font-size: 4.5rem;
  line-height: 1;
  position: absolute;
  top: -1.5rem;
  left: -0.5rem;
  color: rgba(0, 240, 255, 0.12);
  pointer-events: none;
  font-weight: 700;
}

.statement-text {
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.7;
  position: relative;
  z-index: 2;
  margin-bottom: 1.75rem;
}

.statement-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.author-signature {
  display: flex;
  flex-direction: column;
}

.sig-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--neon-cyan);
}

.sig-role {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.concept-note {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--neon-green);
  border: 1px solid rgba(0, 255, 157, 0.2);
}

.concept-note .badge-icon {
  animation: pulse-icon 2s infinite ease-in-out;
}

@keyframes pulse-icon {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.7; }
}

/* --- Vision Pillars Grid (Whitespace Expansion) --- */
.vision-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

.vision-card {
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  border-radius: 10px;
  padding: 1.4rem;
  transition: all var(--transition-normal);
}

.vision-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-cyan);
  transform: translateY(-2px);
}

.vision-card.is-expanded {
  border-color: var(--neon-cyan);
  box-shadow: var(--glow-cyan);
  background: var(--bg-card-hover);
}

.vision-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.vision-card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.vision-card-icon {
  font-size: 1.3rem;
  color: var(--neon-cyan);
}

.vision-card-trigger {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--neon-cyan);
  background: rgba(0, 240, 255, 0.08);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.vision-card.is-expanded .vision-card-trigger {
  background: var(--neon-cyan);
  color: #000;
}

/* Smooth Accordion / Whitespace Content Box */
.accordion-content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.45s var(--ease-cyber);
}

.is-expanded > .accordion-content {
  grid-template-rows: 1fr;
}

.accordion-inner {
  overflow: hidden;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.3s ease 0.1s, transform 0.45s var(--ease-cyber) 0.05s;
}

.is-expanded > .accordion-content > .accordion-inner {
  opacity: 1;
  transform: translateY(0);
}

.vision-expanded-body {
  padding-top: 1rem;
  margin-top: 0.85rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* --- Domains Intro Bar & Filter Chips --- */
.domains-intro-bar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.sub-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0.35rem 0;
}

.sub-section-sub {
  color: var(--text-secondary);
  font-size: 1rem;
}

.category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-chip {
  background: rgba(18, 20, 32, 0.7);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.45rem 0.85rem;
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-chip:hover {
  color: var(--text-primary);
  border-color: var(--neon-cyan);
}

.filter-chip.active {
  background: var(--neon-cyan);
  color: #000000;
  border-color: var(--neon-cyan);
  font-weight: 700;
  box-shadow: 0 0 14px rgba(0, 240, 255, 0.35);
}

/* --- Accordion Grid (8 Domains) --- */
.accordion-grid {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.domain-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.domain-card:hover {
  border-color: rgba(0, 240, 255, 0.35);
  background: var(--bg-card-hover);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.domain-card.is-expanded {
  border-color: var(--neon-cyan);
  background: var(--bg-card-hover);
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.5), var(--glow-cyan);
}

/* Domain Header Bar (Always visible clickable trigger) */
.domain-header-trigger {
  width: 100%;
  background: transparent;
  border: none;
  color: inherit;
  text-align: left;
  padding: 1.35rem 1.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  outline: none;
  font-family: inherit;
}

.domain-header-left {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  flex: 1;
}

.domain-index-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--neon-cyan);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--border-cyan);
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
  min-width: 55px;
  text-align: center;
}

.domain-title-group {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.domain-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.domain-emoji-icon {
  font-size: 1.3rem;
  line-height: 1;
}

.domain-title-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  transition: color var(--transition-fast);
}

.domain-card:hover .domain-title-text {
  color: var(--neon-cyan);
}

.domain-card.is-expanded .domain-title-text {
  color: var(--neon-cyan);
}

.domain-teaser {
  font-size: 0.88rem;
  color: var(--text-muted);
  max-width: 700px;
  line-height: 1.4;
}

.domain-header-right {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.domain-category-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
  white-space: nowrap;
}

.expand-chevron {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--neon-cyan);
  transition: transform 0.45s var(--ease-cyber), background-color var(--transition-fast);
}

.domain-card.is-expanded .expand-chevron {
  transform: rotate(90deg);
  background: var(--neon-cyan);
  color: #000;
}

/* Expanded Domain Drawer Content */
.domain-drawer {
  padding: 0 1.6rem 1.75rem 1.6rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
}

.drawer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding-top: 1.5rem;
}

@media (min-width: 900px) {
  .drawer-grid {
    grid-template-columns: 1.1fr 1fr;
  }
}

/* Examples Section inside Drawer */
.drawer-section-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--neon-cyan);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.drawer-section-title.magenta {
  color: var(--neon-magenta);
}

.drawer-section-title.green {
  color: var(--neon-green);
}

.examples-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.example-item-card {
  background: rgba(8, 10, 18, 0.75);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--neon-cyan);
  border-radius: 6px;
  padding: 0.85rem 1rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.example-item-card:hover {
  transform: translateX(4px);
  border-left-color: var(--neon-green);
}

.example-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.example-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.example-city {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--neon-cyan);
  background: rgba(0, 240, 255, 0.08);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.example-note {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* Reflection & Personal Impact Cards */
.drawer-reflections {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.critique-card {
  background: rgba(18, 14, 28, 0.6);
  border: 1px solid var(--border-magenta);
  border-radius: 8px;
  padding: 1.1rem;
}

.critique-text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.impact-card {
  background: rgba(10, 24, 22, 0.6);
  border: 1px solid var(--border-green);
  border-radius: 8px;
  padding: 1.1rem;
}

.impact-text {
  font-size: 0.92rem;
  color: var(--text-primary);
  line-height: 1.65;
}

/* ==========================================================================
   TAB 02: PORTFOLIO (M.K. Industries)
   ========================================================================== */
.portfolio-overview-card {
  margin-bottom: 2.5rem;
}

.portfolio-overview-text {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.telemetry-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.tel-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.tel-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.tel-val {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--neon-magenta);
}

/* Portfolio Projects Accordion List */
.portfolio-accordion-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  backdrop-filter: blur(14px);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.project-card:hover {
  border-color: rgba(255, 0, 85, 0.4);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.project-card.is-expanded {
  border-color: var(--neon-magenta);
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.5), var(--glow-magenta);
}

.project-header-trigger {
  width: 100%;
  background: transparent;
  border: none;
  color: inherit;
  text-align: left;
  padding: 1.5rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  outline: none;
}

.project-header-left {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}

.project-badges {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.project-badge-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-weight: 700;
  text-transform: uppercase;
}

.project-badge-pill.cyan {
  background: rgba(0, 240, 255, 0.1);
  color: var(--neon-cyan);
  border: 1px solid var(--border-cyan);
}

.project-badge-pill.magenta {
  background: rgba(255, 0, 85, 0.1);
  color: var(--neon-magenta);
  border: 1px solid var(--border-magenta);
}

.project-badge-pill.green {
  background: rgba(0, 255, 157, 0.1);
  color: var(--neon-green);
  border: 1px solid var(--border-green);
}

.project-name-text {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.project-card:hover .project-name-text {
  color: var(--neon-magenta);
}

.project-card.is-expanded .project-name-text {
  color: var(--neon-magenta);
}

.project-tagline-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Project Drawer Content */
.project-drawer {
  padding: 0 1.75rem 2rem 1.75rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
}

.project-drawer-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-top: 1.5rem;
}

.project-desc-full {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-primary);
}

.project-specs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 850px) {
  .project-specs-grid {
    grid-template-columns: 1.2fr 1fr;
  }
}

.highlights-box {
  background: rgba(10, 12, 22, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 1.25rem;
}

.highlights-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 0.65rem;
}

.highlights-list li {
  font-size: 0.92rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  line-height: 1.5;
}

.highlights-list li::before {
  content: '▸';
  color: var(--neon-magenta);
  font-weight: bold;
}

.tech-stack-box {
  background: rgba(10, 12, 22, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 1.25rem;
}

.tech-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.65rem;
}

.tech-chip {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: rgba(0, 240, 255, 0.06);
  border: 1px solid var(--border-cyan);
  color: var(--neon-cyan);
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.tech-chip:hover {
  background: var(--neon-cyan);
  color: #000;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
}

/* ==========================================================================
   TAB 03: THE PROCESS
   ========================================================================== */
.process-manifesto-card {
  margin-bottom: 2.5rem;
}

.process-manifesto-quote {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  font-weight: 500;
  color: var(--neon-green);
  line-height: 1.65;
  font-style: italic;
  position: relative;
  padding-left: 1.25rem;
  border-left: 3px solid var(--neon-green);
}

.process-steps-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
}

.process-steps-container::before {
  content: '';
  position: absolute;
  top: 40px;
  bottom: 40px;
  left: 35px;
  width: 2px;
  background: linear-gradient(to bottom, var(--neon-cyan), var(--neon-green), var(--neon-magenta));
  opacity: 0.3;
  z-index: 1;
}

.process-step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  backdrop-filter: blur(14px);
  position: relative;
  z-index: 2;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.process-step-card:hover {
  border-color: rgba(0, 255, 157, 0.4);
  background: var(--bg-card-hover);
}

.process-step-card.is-expanded {
  border-color: var(--neon-green);
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.5), var(--glow-green);
}

.process-step-trigger {
  width: 100%;
  background: transparent;
  border: none;
  color: inherit;
  text-align: left;
  padding: 1.4rem 1.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  cursor: pointer;
  outline: none;
}

.step-left-block {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex: 1;
}

.step-number-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(10, 14, 24, 0.9);
  border: 2px solid var(--neon-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--neon-green);
  box-shadow: 0 0 12px rgba(0, 255, 157, 0.25);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.process-step-card.is-expanded .step-number-circle {
  background: var(--neon-green);
  color: #000;
  box-shadow: 0 0 18px rgba(0, 255, 157, 0.5);
}

.step-titles {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

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

.process-step-card:hover .step-title-text {
  color: var(--neon-green);
}

.step-subtitle-text {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.process-step-drawer {
  padding: 0 1.6rem 1.6rem 5rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
}

.process-step-body {
  padding-top: 1.25rem;
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.hud-footer {
  border-top: 1px solid var(--border-subtle);
  background: rgba(5, 5, 8, 0.9);
  backdrop-filter: blur(14px);
  position: relative;
  z-index: 100;
}

.footer-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.footer-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--neon-cyan);
  letter-spacing: 0.08em;
}

.footer-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
}

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

.footer-right {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ==========================================================================
   RESPONSIVE DESIGN (Tablets & Mobile UX)
   ========================================================================== */
@media (max-width: 900px) {
  .hud-container {
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1rem;
    gap: 0.75rem;
  }

  .hud-brand {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .hud-nav {
    justify-content: space-around;
    width: 100%;
  }

  .hud-controls {
    justify-content: flex-end;
  }

  .process-steps-container::before {
    left: 22px;
  }

  .process-step-drawer {
    padding-left: 1.6rem;
  }
}

@media (max-width: 600px) {
  .nav-tab {
    padding: 0.45rem 0.75rem;
    font-size: 0.78rem;
  }

  .domain-header-trigger {
    padding: 1.1rem 1rem;
    flex-direction: column;
    align-items: flex-start;
  }

  .domain-header-right {
    width: 100%;
    justify-content: space-between;
    margin-top: 0.5rem;
  }

  .domain-drawer {
    padding: 0 1rem 1.4rem 1rem;
  }

  .project-header-trigger {
    padding: 1.25rem 1.1rem;
  }

  .project-drawer {
    padding: 0 1.1rem 1.5rem 1.1rem;
  }

  .footer-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
}