/* LUNITE — Industrial Hardware & Celestial Design System */

:root {
  --color-void: #05070f;
  --color-obsidian: #0a0d18;
  --color-surface: #10131e;
  --color-surface-container: #181b27;
  --color-surface-container-high: #222533;
  --color-surface-container-highest: #2d3040;
  --color-primary: #b1c5ff;
  --color-secondary: #7bd0ff;
  --color-tertiary: #ffb95f;
  --color-emerald: #10b981;
  --color-on-surface: #e0e1f2;
  --color-on-surface-variant: #94a3b8;
  --color-border-subtle: rgba(255, 255, 255, 0.07);
  --color-border-focus: rgba(123, 208, 255, 0.35);
}

/* Base resets & typography */
html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--color-void);
  color: var(--color-on-surface);
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  overflow-x: hidden;
  min-height: 100vh;
  line-height: 1.6;
}

/* Material Symbols Icon Alignment */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  display: inline-block;
  vertical-align: middle;
  line-height: 1;
  user-select: none;
}

/* Background Gradients */
.star-bg {
  background-color: #05070f;
  background-image: 
    radial-gradient(ellipse at 50% 0%, rgba(78, 128, 238, 0.08) 0%, rgba(5, 7, 15, 0) 70%),
    radial-gradient(circle at 85% 60%, rgba(0, 166, 224, 0.04) 0%, rgba(5, 7, 15, 0) 50%);
}

/* Refined Glassmorphism Substrates */
.glass-substrate {
  background: rgba(14, 19, 38, 0.72);
  backdrop-filter: blur(20px) saturate(130%);
  -webkit-backdrop-filter: blur(20px) saturate(130%);
  border: 1px solid var(--color-border-subtle);
}

.glass-substrate-deep {
  background: rgba(10, 13, 24, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--color-border-subtle);
}

.glass-card-hover {
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.glass-card-hover:hover {
  border-color: var(--color-border-focus);
  box-shadow: 0 12px 32px -8px rgba(0, 20, 60, 0.45);
  transform: translateY(-2px);
}

/* Subtle Instrument Lighting */
.instrument-glow {
  box-shadow: 0 0 24px 0 rgba(78, 128, 238, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.celestial-glow {
  box-shadow: 0 0 40px -10px rgba(123, 208, 255, 0.15);
}

/* Radar Sweep Animation */
@keyframes radarSweep {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.animate-radar {
  animation: radarSweep 14s linear infinite;
}

/* FAQ Accordion */
.faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background-color 0.2s ease;
}

.faq-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
  text-align: left;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-on-surface);
  font-weight: 500;
  font-size: 1.05rem;
}

.faq-button:hover {
  color: var(--color-secondary);
}

.faq-icon {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--color-secondary);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding-bottom 0.25s ease;
}

.faq-item.active .faq-content {
  max-height: 350px;
  padding-bottom: 1.25rem;
}

/* Technical Specifications Table */
.specs-table {
  width: 100%;
  border-collapse: collapse;
}

.specs-category {
  padding: 1rem 0 0.5rem 0;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
  border-bottom: 1px solid rgba(123, 208, 255, 0.25);
}

.specs-row {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.specs-row:last-child {
  border-bottom: none;
}

.specs-label {
  padding: 0.85rem 1rem 0.85rem 0;
  font-size: 0.875rem;
  color: var(--color-on-surface-variant);
  width: 40%;
  vertical-align: top;
}

.specs-value {
  padding: 0.85rem 0;
  font-size: 0.875rem;
  color: var(--color-on-surface);
  font-weight: 500;
  vertical-align: top;
}

/* Legal Documents Tab Styles */
.legal-tab-btn {
  padding: 0.75rem 1.25rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-on-surface-variant);
  transition: all 0.2s ease;
  cursor: pointer;
  text-align: left;
  border: 1px solid transparent;
}

.legal-tab-btn:hover {
  color: var(--color-on-surface);
  background: rgba(255, 255, 255, 0.04);
}

.legal-tab-btn.active {
  color: var(--color-secondary);
  background: rgba(123, 208, 255, 0.1);
  border-color: rgba(123, 208, 255, 0.25);
}

.legal-section {
  display: none;
}

.legal-section.active {
  display: block;
}

.legal-clause {
  margin-bottom: 2rem;
}

.legal-clause h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: #f8fafc;
  margin-bottom: 0.75rem;
}

.legal-clause p, .legal-clause ul {
  font-size: 0.925rem;
  color: #94a3b8;
  line-height: 1.7;
}

.legal-clause ul {
  list-style-type: disc;
  padding-left: 1.5rem;
  margin-top: 0.5rem;
}

.legal-clause li {
  margin-bottom: 0.4rem;
}

/* Modals & Backdrop */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 15, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  padding: 1rem;
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: rgba(14, 19, 38, 0.96);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid rgba(123, 208, 255, 0.25);
  box-shadow: 0 24px 64px -12px rgba(0, 15, 45, 0.9);
  border-radius: 1.25rem;
  max-width: 860px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.96);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.active .modal-content {
  transform: scale(1);
}

/* Off-canvas Drawer (Cart & Mobile Menu) */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 15, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.drawer-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.drawer-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 460px;
  background: rgba(14, 19, 38, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 95;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.drawer-panel.active {
  transform: translateX(0);
}

/* Mobile Nav Drawer */
.mobile-nav-panel {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 82%;
  max-width: 320px;
  background: rgba(10, 13, 24, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 95;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.mobile-nav-panel.active {
  transform: translateX(0);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 110;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast-item {
  background: rgba(18, 24, 48, 0.96);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(123, 208, 255, 0.3);
  padding: 0.75rem 1.25rem;
  border-radius: 0.75rem;
  color: var(--color-on-surface);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: auto;
}

.toast-item.show {
  transform: translateY(0);
  opacity: 1;
}

/* Sound Bars */
.sound-bar {
  display: inline-block;
  width: 3px;
  background: var(--color-secondary);
  border-radius: 2px;
  transition: height 0.1s ease;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: rgba(5, 7, 15, 0.8);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(123, 208, 255, 0.4);
}