/* ==========================================================================
   JEROA UI COMPONENTS
   HUD Navbar, Magnetic Buttons, Telemetry Badges, Case Studies & Modals
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. HUD Minimalist Header
   -------------------------------------------------------------------------- */
.hud-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: var(--z-header);
  background: rgba(3, 3, 6, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

.hud-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-primary);
  text-transform: uppercase;
}

.brand-glyph {
  width: 28px;
  height: 28px;
  animation: glyphOrbit 20s linear infinite;
}

@keyframes glyphOrbit {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Navigation Links */
.hud-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.hud-link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

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

.hud-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--accent-cyan);
  transition: width var(--transition-fast);
}

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

/* Header Telemetry Pill */
.telemetry-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  background: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--text-secondary);
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulseBeacon 2.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulseBeacon {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.85); }
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 8px;
}

/* --------------------------------------------------------------------------
   2. Precision Buttons & CTAs
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--text-primary);
  color: var(--bg-void);
  border: 1px solid var(--text-primary);
}

.btn-primary:hover {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  color: var(--bg-void);
  box-shadow: 0 0 24px var(--accent-cyan-glow);
  transform: translateY(-2px);
}

.btn-wireframe {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-wireframe:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: var(--accent-cyan-dim);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 11px;
}

/* Corner ticks for technical instruments */
.instrument-corner {
  position: relative;
}
.instrument-corner::before,
.instrument-corner::after {
  content: '+';
  position: absolute;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-tertiary);
  pointer-events: none;
}
.instrument-corner::before { top: 4px; left: 6px; }
.instrument-corner::after { bottom: 4px; right: 6px; }

/* --------------------------------------------------------------------------
   3. Services Technical Matrix
   -------------------------------------------------------------------------- */
.services-matrix {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border-subtle);
}

.service-row {
  display: grid;
  grid-template-columns: 80px 1.5fr 2fr 180px;
  align-items: center;
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.service-row:hover {
  background: linear-gradient(90deg, rgba(0, 240, 255, 0.03) 0%, transparent 100%);
  padding-left: var(--space-md);
}

.service-id {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent-cyan);
}

.service-title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 500;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.service-row:hover .service-title {
  color: var(--accent-cyan);
}

.service-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  padding-right: var(--space-lg);
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.service-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  background: var(--bg-surface-2);
  border: 1px solid var(--border-subtle);
  color: var(--text-tertiary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.service-row:hover .service-tag {
  border-color: var(--border-medium);
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   4. Methodology — "From Zero to Orbit"
   -------------------------------------------------------------------------- */
.methodology-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-2xl);
  position: relative;
}

.methodology-step {
  display: flex;
  flex-direction: column;
  position: relative;
}

.methodology-step::after {
  content: '';
  position: absolute;
  top: 0;
  right: -12px;
  width: 1px;
  height: 60%;
  background: var(--border-subtle);
}

.methodology-step:last-child::after {
  display: none;
}

.step-num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--accent-cyan);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: 8px;
}

.step-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.step-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   5. Technical Stack Matrix
   -------------------------------------------------------------------------- */
.stack-matrix-wrapper {
  background: rgba(11, 13, 20, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  padding: var(--space-2xl);
  position: relative;
}

.stack-matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
}

.stack-node {
  background: rgba(6, 7, 10, 0.82);
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  transition: all var(--transition-normal);
}

.stack-node:hover {
  background: rgba(18, 21, 32, 0.9);
}

.stack-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-tertiary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.stack-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-primary);
}

.stack-spec {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-cyan);
}

/* --------------------------------------------------------------------------
   6. Editorial Philosophy Section
   -------------------------------------------------------------------------- */
.philosophy-container {
  padding: var(--space-4xl) 0;
  max-width: 1100px;
}

.philosophy-primary {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5.5vw, 4.75rem);
  font-weight: 500;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: var(--space-2xl);
  letter-spacing: -0.03em;
}

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

.philosophy-secondary {
  font-size: clamp(1.2rem, 2vw, 1.85rem);
  color: var(--text-secondary);
  max-width: 720px;
  line-height: 1.5;
  font-weight: 300;
}

/* --------------------------------------------------------------------------
   7. Contact Executive Portal
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-meta-card {
  background: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-info-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.contact-info-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-info-value {
  font-size: 1.25rem;
  color: var(--text-primary);
  font-weight: 500;
}

.contact-info-value a:hover {
  color: var(--accent-cyan);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-surface-1);
  border: 1px solid var(--border-medium);
  border-radius: 2px;
  color: var(--text-primary);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--accent-cyan);
  background: var(--bg-surface-2);
  box-shadow: 0 0 16px var(--accent-cyan-dim);
}

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

.form-feedback {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent-emerald);
  display: none;
  margin-top: var(--space-xs);
}

/* --------------------------------------------------------------------------
   8. Minimalist Footer
   -------------------------------------------------------------------------- */
.hud-footer {
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-3xl) 0 var(--space-xl) 0;
  background: var(--bg-surface-0);
  position: relative;
  z-index: var(--z-content);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
  gap: var(--space-2xl);
}

.footer-motto {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-primary);
  max-width: 380px;
  line-height: 1.3;
  margin-top: var(--space-sm);
}

.footer-nav-groups {
  display: flex;
  gap: var(--space-3xl);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--text-tertiary);
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

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

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* --------------------------------------------------------------------------
   9. Case Study Drawer Modal
   -------------------------------------------------------------------------- */
.case-study-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(3, 3, 6, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.case-study-modal.open {
  opacity: 1;
  pointer-events: auto;
}

.case-study-card {
  background: var(--bg-surface-1);
  border: 1px solid var(--border-medium);
  width: 100%;
  max-width: 860px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 4px;
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.case-study-modal.open .case-study-card {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--border-subtle);
}

.modal-close-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px 12px;
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

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

.modal-body {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.case-study-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: var(--space-xl);
}

.flow-step-box {
  background: var(--bg-surface-0);
  border: 1px solid var(--border-subtle);
  padding: var(--space-md);
}

.flow-step-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent-cyan);
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.flow-step-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.flow-step-text {
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   10. Experimental Lab 3D Artifact Layout
   -------------------------------------------------------------------------- */
.spatial-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.spatial-canvas-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  width: 100%;
}

#ar-spatial-canvas {
  width: 100%;
  max-width: 440px;
  height: 440px;
  cursor: grab;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.04) 0%, transparent 70%);
  border-radius: 50%;
  touch-action: none;
}