/* ==========================================================================
   DEVELOPER COMMAND WORKSPACE - STYLESHEET
   Self-contained CSS3 design system with tactical HUD aesthetics & glassmorphism
   ========================================================================== */

/* --------------------------------------------------------------------------
   01. DESIGN TOKENS & CSS VARIABLES
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette */
  --bg-void: #04060a;
  --bg-surface: #080c14;
  --bg-card: rgba(13, 19, 29, 0.75);
  --bg-card-alt: rgba(18, 25, 38, 0.85);
  
  --border-hud: rgba(0, 240, 255, 0.15);
  --border-hud-bright: rgba(0, 240, 255, 0.4);
  --border-subtle: rgba(255, 255, 255, 0.07);

  --accent-cyan: #00f0ff;
  --accent-cyan-glow: rgba(0, 240, 255, 0.25);
  --accent-emerald: #00e699;
  --accent-emerald-glow: rgba(0, 230, 153, 0.25);
  --accent-blue: #3b82f6;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;

  --text-white: #f8fafc;
  --text-bright: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  /* Typography Stacks */
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;

  /* UI Dimensions */
  --header-height: 70px;
  --max-width: 1240px;
  --radius-sm: 4px;
  --radius-md: 8px;
}

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

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

body {
  background-color: var(--bg-void);
  color: var(--text-bright);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Canvas Background */
#hud-bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -2;
  pointer-events: none;
}

/* Blueprint Grid Overlay */
.hud-overlay-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(to right, rgba(0, 240, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 240, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: -1;
  pointer-events: none;
}

/* Subtle CRT Scanline Animation Effect */
.hud-overlay-scanline {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.15) 50%
  );
  background-size: 100% 4px;
  z-index: -1;
  pointer-events: none;
  opacity: 0.6;
}

/* Utility Text Colors */
.text-cyan { color: var(--accent-cyan) !important; }
.text-emerald { color: var(--accent-emerald) !important; }
.text-blue { color: var(--accent-blue) !important; }
.text-amber { color: var(--accent-amber) !important; }
.text-white { color: var(--text-white) !important; }

/* --------------------------------------------------------------------------
   03. HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
.hud-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(4, 6, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-hud);
  z-index: 100;
  display: flex;
  align-items: center;
}

.header-container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Brand Identifier */
.brand-identity {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.status-indicator-dot {
  width: 8px;
  height: 8px;
  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); }
}

.brand-code {
  color: var(--accent-cyan);
}

.brand-divider {
  color: var(--border-subtle);
}

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

/* Navigation Links */
.hud-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: all 0.2s ease;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
}

.nav-num {
  color: var(--accent-cyan);
  opacity: 0.7;
  margin-right: 4px;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-white);
  border-color: rgba(0, 240, 255, 0.25);
  background: rgba(0, 240, 255, 0.05);
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.4);
}

/* Header Telemetry Right */
.header-telemetry {
  display: flex;
  align-items: center;
  gap: 16px;
}

.clock-display {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.06);
  padding: 4px 10px;
  border: 1px solid var(--border-hud);
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-hud);
  color: var(--accent-cyan);
  padding: 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   04. COMMON SECTION LAYOUTS & HEADERS
   -------------------------------------------------------------------------- */
.main-wrapper {
  padding-top: var(--header-height);
}

.section-padding {
  padding: 100px 24px;
  position: relative;
}

.alt-bg {
  background: rgba(8, 12, 20, 0.6);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  margin-bottom: 60px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
}

/* HUD Glassmorphism Card System */
.hud-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-hud);
  border-radius: var(--radius-md);
  padding: 28px;
  position: relative;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hud-card:hover {
  border-color: var(--border-hud-bright);
  box-shadow: 0 8px 32px rgba(0, 240, 255, 0.08);
  transform: translateY(-2px);
}

/* Tactical HUD Brackets on corners */
.card-corner {
  position: absolute;
  width: 8px;
  height: 8px;
  border-color: var(--accent-cyan);
  border-style: solid;
  opacity: 0.6;
  pointer-events: none;
}

.card-corner.top-left { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.card-corner.top-right { top: -1px; right: -1px; border-width: 2px 2px 0 0; }
.card-corner.bottom-left { bottom: -1px; left: -1px; border-width: 0 0 2px 2px; }
.card-corner.bottom-right { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

/* --------------------------------------------------------------------------
   05. HERO SECTION
   -------------------------------------------------------------------------- */
.hero-section {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  padding: 80px 24px;
  position: relative;
}

.hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

/* Tactical Badge */
.tactical-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(0, 240, 255, 0.05);
  border: 1px solid var(--border-hud);
  padding: 6px 14px;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  margin-bottom: 28px;
}

.badge-icon {
  width: 6px;
  height: 6px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-cyan);
}

.badge-text {
  color: var(--accent-cyan);
  letter-spacing: 0.08em;
  font-weight: 600;
}

.badge-id {
  color: var(--text-muted);
  border-left: 1px solid var(--border-subtle);
  padding-left: 10px;
}

/* Hero Typography */
.hero-title {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 5.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
}

.title-cyan {
  color: var(--accent-cyan);
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.title-white {
  color: var(--text-white);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-muted);
  max-width: 780px;
  line-height: 1.6;
  margin-bottom: 48px;
}

/* Hero HUD Grid Highlights */
.hero-hud-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 48px;
  max-width: 1000px;
}

.hud-stat-box {
  background: rgba(13, 19, 29, 0.6);
  border: 1px solid var(--border-hud);
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.hud-stat-box:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.04);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 4px;
}

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

/* Custom Tactical Buttons */
.hero-actions {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hud-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.25s ease;
  letter-spacing: 0.05em;
}

.hud-btn-primary {
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.15);
}

.hud-btn-primary:hover {
  background: var(--accent-cyan);
  color: var(--bg-void);
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.4);
}

.hud-btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-bright);
}

.hud-btn-secondary:hover {
  border-color: var(--text-muted);
  background: rgba(255, 255, 255, 0.08);
}

.btn-bracket {
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   06. ENGINEERING PHILOSOPHY / TENETS SECTION
   -------------------------------------------------------------------------- */
.tenets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.tenet-card {
  display: flex;
  flex-direction: column;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.card-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  letter-spacing: 0.1em;
}

.card-indicator {
  width: 6px;
  height: 6px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent-emerald);
}

.card-title {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 12px;
}

.card-body {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   07. ARCHITECTURE & MINDSET SECTION
   -------------------------------------------------------------------------- */
.architecture-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 28px;
  margin-bottom: 40px;
}

.paradigm-card {
  padding: 32px;
}

.paradigm-card .card-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.paradigm-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 3px;
  letter-spacing: 0.08em;
}

.tag-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.tag-cyan {
  background: rgba(0, 240, 255, 0.15);
  color: var(--accent-cyan);
  border: 1px solid var(--border-hud);
}

.paradigm-title {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-white);
}

.paradigm-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.paradigm-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.list-bullet {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.icon-cross {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.icon-check {
  background: rgba(0, 230, 153, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(0, 230, 153, 0.3);
}

.list-content strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-white);
  margin-bottom: 2px;
}

.list-content span {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Architecture Schema Horizontal Card */
.schema-card {
  padding: 32px;
}

.schema-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 12px;
}

.schema-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.schema-status {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}

.pipeline-nodes {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.node-box {
  background: rgba(8, 12, 20, 0.9);
  border: 1px solid var(--border-subtle);
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  min-width: 170px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.node-box.node-active {
  border-color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.08);
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.15);
}

.node-step {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-cyan);
}

.node-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-white);
}

.node-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.node-arrow {
  color: var(--border-hud-bright);
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   08. REAL-TIME TELEMETRY & MONITORING WIDGETS
   -------------------------------------------------------------------------- */
.telemetry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.widget-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 270px;
  padding: 20px;
}

.widget-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.widget-title {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: 0.05em;
}

.widget-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 3px;
  letter-spacing: 0.05em;
}

.badge-emerald {
  background: rgba(0, 230, 153, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(0, 230, 153, 0.3);
}

.badge-cyan {
  background: rgba(0, 240, 255, 0.15);
  color: var(--accent-cyan);
  border: 1px solid var(--border-hud);
}

.badge-blue {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.canvas-widget-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 140px;
}

.widget-metric-center {
  position: absolute;
  top: 55%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.metric-val {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
}

.metric-lbl {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* Compiler Ticker Body */
.compiler-ticker-body {
  height: 140px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  background: rgba(4, 6, 10, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ticker-line {
  white-space: nowrap;
  opacity: 0.9;
  animation: fadeInLine 0.3s ease-out;
}

.ticker-addr { color: var(--text-dim); margin-right: 8px; }
.ticker-inst { color: var(--accent-emerald); font-weight: 600; margin-right: 8px; }
.ticker-ops  { color: var(--text-bright); }

@keyframes fadeInLine {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 0.9; transform: translateY(0); }
}

/* Build Pipeline Step Body */
.pipeline-body {
  height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}

.pipe-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 4px;
  border-left: 2px solid var(--accent-emerald);
}

.pipe-icon {
  color: var(--accent-emerald);
  margin-right: 8px;
  font-weight: bold;
}

.pipe-label {
  color: var(--text-bright);
  flex-grow: 1;
}

.pipe-time {
  color: var(--text-dim);
  font-size: 0.7rem;
}

.widget-foot {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  padding-top: 10px;
  margin-top: 12px;
}

/* --------------------------------------------------------------------------
   09. LIVE INTERACTIVE TERMINAL
   -------------------------------------------------------------------------- */
.terminal-window {
  background: #06090e;
  border: 1px solid var(--border-hud-bright);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 240, 255, 0.1);
  overflow: hidden;
}

.terminal-bar {
  background: #0d131d;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-close { background: #ef4444; }
.dot-min { background: #f59e0b; }
.dot-max { background: #10b981; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
}

.terminal-status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-cyan);
}

.terminal-output {
  padding: 20px;
  min-height: 280px;
  max-height: 420px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-bright);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.term-line {
  white-space: pre-wrap;
  word-break: break-word;
}

.term-line-prompt { color: var(--accent-cyan); font-weight: bold; }
.term-line-success { color: var(--accent-emerald); }
.term-line-info { color: var(--text-bright); }
.term-line-muted { color: var(--text-muted); }
.term-line-warn { color: var(--accent-amber); }

.terminal-input-row {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  background: rgba(13, 19, 29, 0.9);
  border-top: 1px solid var(--border-subtle);
  gap: 10px;
}

.term-prompt {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--accent-emerald);
  font-weight: bold;
  white-space: nowrap;
}

.term-input {
  flex-grow: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--accent-cyan);
  caret-color: var(--accent-cyan);
}

.terminal-hints {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  flex-wrap: wrap;
}

.hint-btn {
  background: rgba(0, 240, 255, 0.06);
  border: 1px solid var(--border-hud);
  color: var(--accent-cyan);
  padding: 3px 10px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.hint-btn:hover {
  background: var(--accent-cyan);
  color: var(--bg-void);
}

/* --------------------------------------------------------------------------
   10. FOOTER
   -------------------------------------------------------------------------- */
.hud-footer {
  background: #030407;
  border-top: 1px solid var(--border-hud);
  padding: 60px 24px;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.footer-block {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 24px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 32px;
}

.footer-manifesto {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: 0.05em;
  line-height: 1.7;
}

.footer-status {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(0, 230, 153, 0.08);
  border: 1px solid rgba(0, 230, 153, 0.3);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-emerald);
  font-weight: 600;
}

.pulse-indicator {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulseDot 1.5s infinite ease-in-out;
}

.footer-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

.copyright {
  color: var(--text-dim);
}

/* --------------------------------------------------------------------------
   11. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .hud-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: rgba(4, 6, 10, 0.96);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-hud);
    flex-direction: column;
    padding: 20px 24px;
    align-items: flex-start;
  }

  .hud-nav.open {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2.8rem;
  }

  .pipeline-nodes {
    flex-direction: column;
    align-items: stretch;
  }

  .node-arrow {
    transform: rotate(90deg);
    align-self: center;
  }
}

@media (max-width: 640px) {
  .section-padding {
    padding: 60px 16px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .tenets-grid, .telemetry-grid, .architecture-grid {
    grid-template-columns: 1fr;
  }

  .footer-block {
    flex-direction: column;
    align-items: flex-start;
  }
}
