/**
 * RACK ACCORDION - Hardware Rack with Expandable Modules
 * Design: Audio hardware aesthetic with collapsible panels
 * Each module is a rack unit that expands on click
 * Works with CRS Header/Footer branding
 */

:root {
  --hardware-green: #00ff88;
  --hardware-amber: #ff9f1c;
  --hardware-red: #ff4444;
  --metal-dark: #0a0a0a;
  --metal-plate: #1a1a1a;
  --metal-edge: rgba(255,255,255,0.08);
  --font-tech: 'JetBrains Mono', 'SF Mono', 'Monaco', 'Courier New', monospace;
}

/* ========================================
   STUDIO INTRODUCTION
   ======================================== */

.studio-intro {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem 2rem;
  text-align: center;
  background: var(--metal-dark);
}

.studio-intro h1 {
  font-family: var(--font-tech);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 1rem 0;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.studio-intro p {
  font-family: var(--font-tech);
  font-size: clamp(0.9rem, 2vw, 1.05rem);
  color: rgba(255,255,255,0.7);
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ========================================
   VIEWPORT & SYSTEM BADGE
   ======================================== */

.rack-accordion-viewport {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  background: var(--metal-dark);
}

.system-badge {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 48px;
  background: linear-gradient(180deg, #1a1a1a 0%, #0f0f0f 100%);
  border-bottom: 1px solid var(--metal-edge);
  display: flex;
  align-items: center;
  padding: 0 2rem;
  gap: 12px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--hardware-green);
}

.system-badge-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  filter: brightness(1.2);
}

.system-led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--hardware-green);
  box-shadow: 0 0 12px rgba(0,255,136,0.8);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ========================================
   RACK CONTAINER
   ======================================== */

.rack-accordion-container {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ========================================
   ACCORDION MODULE (COLLAPSED STATE)
   ======================================== */

.rack-accordion-module {
  background: linear-gradient(180deg, #1a1a1a 0%, #0d0d0d 50%, #0f0f0f 100%);
  border: 2px solid rgba(42,42,42,0.8);
  border-radius: 6px;
  box-shadow: 
    inset 0 2px 4px rgba(0,0,0,0.4),
    inset 0 -1px 0 rgba(255,255,255,0.03),
    0 4px 12px rgba(0,0,0,0.3);
  transition: all 0.2s ease-out;
  overflow: hidden;
}

/* Variant styling for collapsed state */
.rack-accordion-module.rack-command {
  border-color: rgba(255,159,28,0.5);
}

.rack-accordion-module.rack-rack {
  border-color: rgba(153,204,153,0.4);
}

.rack-accordion-module.rack-passive {
  opacity: 0.75;
  border-color: rgba(255,255,255,0.1);
}

/* ========================================
   ACCORDION HEADER (ALWAYS VISIBLE)
   ======================================== */

.rack-accordion-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  position: relative;
  transition: all 0.15s ease-out;
}

.rack-accordion-header::-webkit-details-marker {
  display: none;
}

.rack-accordion-header:hover {
  background: rgba(255,255,255,0.02);
}

.rack-accordion-module[open] .rack-accordion-header {
  background: rgba(0,255,136,0.05);
  border-bottom: 1px solid rgba(153,204,153,0.15);
}

/* LED Indicator */
.rack-led {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #8b6f47;
  box-shadow: 0 0 8px rgba(139,111,71,0.3);
  transition: all 0.2s ease-out;
  flex-shrink: 0;
}

.rack-led[data-color="green"] {
  background: var(--hardware-green);
  box-shadow: 0 0 12px rgba(0,255,136,0.6);
}

.rack-led[data-color="amber"] {
  background: var(--hardware-amber);
  box-shadow: 0 0 12px rgba(255,159,28,0.6);
}

.rack-led[data-color="red"] {
  background: var(--hardware-red);
  box-shadow: 0 0 12px rgba(255,68,68,0.6);
}

.rack-accordion-module[open] .rack-led {
  animation: pulse 2s ease-in-out infinite;
}

/* Label (e.g., "ROW_02") */
.rack-label {
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  min-width: 60px;
}

/* Title (e.g., "BOOK NOW") */
.rack-title {
  flex: 1;
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.9);
}

/* Chevron indicator */
.rack-chevron {
  font-size: 20px;
  color: rgba(255,255,255,0.4);
  transition: transform 0.2s ease-out;
  line-height: 1;
}

.rack-accordion-module[open] .rack-chevron {
  transform: rotate(90deg);
  color: var(--hardware-green);
}

/* ========================================
   ACCORDION CONTENT (EXPANDED STATE)
   ======================================== */

.rack-accordion-content {
  border-top: 1px solid rgba(153,204,153,0.1);
  animation: expandContent 0.25s ease-out;
}

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

.rack-content-inner {
  padding: 2rem 2.5rem;
  background: rgba(0,0,0,0.2);
}

.rack-description {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255,255,255,0.8);
  margin-bottom: 2rem;
  max-width: 65ch;
}

/* Icon in header */
.rack-icon {
  font-size: 18px;
  margin-right: 4px;
}

/* ========================================
   LOCATION OPTIONS (FOR MULTI-LOCATION SERVICES)
   ======================================== */

.location-options {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.location-card {
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(153,204,153,0.2);
  border-radius: 6px;
  padding: 1.5rem;
  transition: all 0.2s ease-out;
}

.location-card:hover {
  background: rgba(0,0,0,0.4);
  border-color: rgba(153,204,153,0.4);
  transform: translateX(4px);
}

.location-card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.75rem;
  gap: 1rem;
}

.location-name {
  font-size: 16px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--hardware-green);
  margin: 0;
  font-family: var(--font-tech);
}

.location-price {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  white-space: nowrap;
}

.location-description {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255,255,255,0.75);
  margin-bottom: 1rem;
}

.location-features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.5rem;
}

.location-features li {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  display: flex;
  align-items: center;
  gap: 6px;
}

.feature-bullet {
  color: var(--hardware-green);
  font-size: 12px;
  font-weight: bold;
}

.location-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(153,204,153,0.1);
  border: 1px solid rgba(153,204,153,0.3);
  border-radius: 4px;
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.15s ease-out;
}

.location-cta:hover {
  background: rgba(153,204,153,0.2);
  border-color: rgba(153,204,153,0.5);
  transform: translateY(-2px);
}

.location-cta .button-led {
  font-size: 8px;
  color: var(--hardware-green);
}


/* ========================================
   SERVICES LIST (FOR DROPDOWN MODULES)
   ======================================== */

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

.services-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 8px;
}

.rack-service-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: rgba(153,204,153,0.08);
  border: 1px solid rgba(153,204,153,0.2);
  border-radius: 4px;
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s ease-out;
}

.rack-service-link:hover {
  background: rgba(153,204,153,0.15);
  border-color: rgba(153,204,153,0.4);
  transform: translateX(4px);
}

.service-bullet {
  color: var(--hardware-green);
  font-size: 12px;
}

/* ========================================
   CTA BUTTON (FOR SINGLE ACTION MODULES)
   ======================================== */

.rack-cta-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: linear-gradient(180deg, rgba(0,255,136,0.15) 0%, rgba(0,255,136,0.08) 100%);
  border: 2px solid rgba(0,255,136,0.4);
  border-radius: 4px;
  color: var(--hardware-green);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.15s ease-out;
  box-shadow: 0 0 20px rgba(0,255,136,0.15);
}

.rack-cta-button:hover {
  background: linear-gradient(180deg, rgba(0,255,136,0.25) 0%, rgba(0,255,136,0.15) 100%);
  border-color: rgba(0,255,136,0.6);
  transform: translateY(-2px);
  box-shadow: 0 4px 24px rgba(0,255,136,0.3);
}

.button-led {
  font-size: 10px;
  color: var(--hardware-green);
}

/* ========================================
   SYSTEM STATUS STRIP (BOTTOM)
   ======================================== */

.system-status-strip {
  position: sticky;
  bottom: 0;
  height: 32px;
  background: linear-gradient(180deg, #0f0f0f 0%, #1a1a1a 100%);
  border-top: 1px solid var(--metal-edge);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 2rem;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: rgba(255,255,255,0.5);
  gap: 16px;
}

/* ========================================
   BOOKING FOOTER INFO
   ======================================== */

.booking-footer-info {
  max-width: 800px;
  margin: 3rem auto;
  padding: 2rem;
  text-align: center;
  background: var(--metal-plate);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
}

.booking-footer-info h3 {
  font-family: var(--font-tech);
  font-size: 1.5rem;
  color: var(--hardware-green);
  margin: 0 0 1rem 0;
}

.booking-footer-info p {
  font-family: var(--font-tech);
  font-size: 1rem;
  color: rgba(255,255,255,0.7);
  margin: 0.5rem 0;
  line-height: 1.6;
}

.booking-footer-info a {
  color: var(--hardware-green);
  text-decoration: none;
  transition: color 0.2s;
}

.booking-footer-info a:hover {
  color: var(--hardware-amber);
}

/* Footer branding with badge */
.footer-branding {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-badge {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 4px;
  border: 1px solid rgba(153,204,153,0.2);
  background: rgba(0,0,0,0.3);
  padding: 4px;
}

/* ========================================
   MOBILE RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
  .rack-accordion-container {
    padding: 1rem 0.75rem;
  }
  
  .rack-accordion-header {
    padding: 16px 18px;
    gap: 12px;
  }
  
  .rack-label {
    display: none; /* Hide row labels on mobile */
  }
  
  .rack-icon {
    font-size: 16px;
  }
  
  .rack-title {
    font-size: 13px;
  }
  
  .rack-content-inner {
    padding: 1.5rem 1.25rem;
  }
  
  .rack-description {
    font-size: 14px;
  }
  
  .system-badge {
    padding: 0 1rem;
    font-size: 12px;
  }
  
  /* Location cards stack on mobile */
  .location-card {
    padding: 1.25rem;
  }
  
  .location-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .location-features {
    grid-template-columns: 1fr;
  }
  
  .location-cta {
    width: 100%;
    justify-content: center;
  }

}

/* ========================================
   ACCESSIBILITY & REDUCED MOTION
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus states for keyboard navigation */
.rack-accordion-header:focus {
  outline: 2px solid var(--hardware-green);
  outline-offset: 2px;
}

.rack-service-link:focus,
.rack-cta-button:focus {
  outline: 2px solid var(--hardware-green);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .rack-accordion-module {
    border-width: 3px;
  }
  
  .rack-cta-button {
    border-width: 3px;
  }
}