/* ============================================
   VINYL RECORD COLLECTION MANAGEMENT
   Neo-Brutalism + Synthwave Noir Design System
   ============================================ */

:root {
  /* Base Colors - Audio Laboratory Theme */
  --color-bg-primary: #000000;
  --color-bg-secondary: #0a0a0a;
  --color-accent-primary: #7B00FF;
  --color-accent-secondary: #FF00FF;
  --color-accent-tertiary: #E8E8E8;
  --color-text-primary: #E8E8E8;
  --color-text-secondary: #B0B0B0;
  --color-border: #E8E8E8;
  
  /* Typography */
  --font-primary: 'Orbitron', sans-serif;
  --font-secondary: 'Rajdhani', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Border & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --border-width: 2px;
  
  /* Shadows & Effects */
  --shadow-glow: 0 0 20px rgba(123, 0, 255, 0.5);
  --shadow-glow-strong: 0 0 40px rgba(123, 0, 255, 0.8);
  --shadow-neon: 0 0 10px rgba(255, 0, 255, 0.6);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Layout */
  --container-max-width: 1200px;
  --header-height: 80px;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-secondary);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Audio-reactive background pulse */
@keyframes pulse-glow {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.pulse-bg {
  background: linear-gradient(
    90deg,
    var(--color-bg-primary) 0%,
    rgba(123, 0, 255, 0.05) 50%,
    var(--color-bg-primary) 100%
  );
  background-size: 200% 200%;
  animation: pulse-glow 4s ease infinite;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 2px;
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--color-accent-tertiary);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--color-text-primary);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-accent-primary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

a:hover {
  color: var(--color-accent-secondary);
  text-shadow: var(--shadow-neon);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background-color: rgba(0, 0, 0, 0.95);
  border-bottom: var(--border-width) solid var(--color-border);
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.brand-name {
  font-family: var(--font-primary);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 700;
  color: var(--color-accent-tertiary);;
  text-shadow: var(--shadow-glow);
}

.main-nav {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.main-nav ul {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav li a {
  color: var(--color-text-primary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: var(--space-sm) var(--space-md);
  border: var(--border-width) solid transparent;
  transition: all var(--transition-normal);
}

.main-nav li a:hover {
  border-color: var(--color-accent-primary);
  box-shadow: var(--shadow-glow);
}

/* Burger Menu Button - Always Last in Header */
.burger-toggle {
  display: none;
  background: transparent;
  border: var(--border-width) solid var(--color-border);
  color: var(--color-text-primary);
  font-size: 1.5rem;
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  z-index: 1000001;
  transition: all var(--transition-fast);
  order: 999;
}

.burger-toggle:hover {
  border-color: var(--color-accent-primary);
  box-shadow: var(--shadow-glow);
}

.burger-toggle.active {
  border-color: var(--color-accent-secondary);
  box-shadow: var(--shadow-neon);
}

/* Mobile Navigation Menu */
.mobile-nav {
  display: none;
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.98);
  border-bottom: var(--border-width) solid var(--color-border);
  padding: var(--space-lg);
  z-index: 999;
  transform: translateY(-100%);
  transition: transform var(--transition-normal);
}

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

.mobile-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-nav ul li a {
  display: block;
  width: 90%;
  padding: var(--space-md);
  border: var(--border-width) solid var(--color-border);
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--transition-fast);
}

.mobile-nav ul li a:hover {
  border-color: var(--color-accent-primary);
  box-shadow: var(--shadow-glow);
  transform: translateX(10px);
}

/* ============================================
   MAIN CONTENT
   ============================================ */

main {
  flex: 1;
  width: 100%;
}

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ============================================
   HERO BANNERS (Full-Width)
   ============================================ */

.hero-banner {
  position: relative;
  width: 100vw;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.7) 0%,
    rgba(0, 0, 0, 0.5) 50%,
    rgba(0, 0, 0, 0.8) 100%
  );
  z-index: 1;
}

.hero-banner img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-xl);
  max-width: 800px;
}

.hero-content h1 {
  margin-bottom: var(--space-lg);
  text-shadow: 0 0 30px rgba(123, 0, 255, 0.8);
}

.hero-content p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
}

/* ============================================
   SECTIONS
   ============================================ */

.content-section {
  padding: var(--space-xxl) 0;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
  box-shadow: var(--shadow-glow);
}

/* Grid Layouts */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--space-md);
}

.grid-item {
  background-color: var(--color-bg-secondary);
  border: var(--border-width) solid var(--color-border);
  padding: var(--space-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.grid-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(123, 0, 255, 0.1),
    transparent
  );
  transition: left var(--transition-slow);
}

.grid-item:hover::before {
  left: 100%;
}

.grid-item:hover {
  border-color: var(--color-accent-primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-5px);
}

.grid-item img {
  width: 100%;
  max-width: 300px;
  height: auto;
  max-height: 200px;
  object-fit: cover;
  display: block;
  margin: 0 auto var(--space-md);
  border: var(--border-width) solid var(--color-border);
}

/* Two Column Layout */
.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.two-column img {
  width: 100%;
  max-width: 500px;
  height: auto;
  max-height: 350px;
  object-fit: cover;
  border: var(--border-width) solid var(--color-border);
  margin: 0 auto;
  display: block;
}

/* ============================================
   GROOVE-SCANNER INTERACTIVE FEATURE
   ============================================ */

.groove-scanner {
  background-color: var(--color-bg-secondary);
  border: var(--border-width) solid var(--color-border);
  padding: var(--space-xl);
  margin: var(--space-xxl) 0;
  position: relative;
  overflow: hidden;
}

.scanner-canvas {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  border: var(--border-width) solid var(--color-accent-primary);
  box-shadow: var(--shadow-glow);
}

.scanner-image {
  width: 100%;
  height: auto;
  display: block;
  cursor: crosshair;
}

.scanner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.scanner-needle {
  position: absolute;
  top: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(
    180deg,
    var(--color-accent-primary),
    var(--color-accent-secondary)
  );
  box-shadow: var(--shadow-glow-strong);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.scanner-needle.active {
  opacity: 1;
}

.scanner-output {
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  background-color: rgba(123, 0, 255, 0.1);
  border: var(--border-width) solid var(--color-accent-primary);
}

.metadata-display {
  font-family: var(--font-primary);
  font-size: 1.25rem;
  color: var(--color-accent-secondary);
  text-shadow: var(--shadow-neon);
  text-align: center;
  padding: var(--space-md);
}

.frequency-map {
  width: 100%;
  height: 150px;
  background: linear-gradient(
    90deg,
    var(--color-bg-primary),
    var(--color-accent-primary),
    var(--color-accent-secondary),
    var(--color-accent-primary),
    var(--color-bg-primary)
  );
  margin-top: var(--space-md);
  border: var(--border-width) solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.frequency-wave {
  position: absolute;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 2px,
    rgba(255, 255, 255, 0.1) 2px,
    rgba(255, 255, 255, 0.1) 4px
  );
  animation: wave-scan 2s linear infinite;
}

@keyframes wave-scan {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* ============================================
   PRODUCTS
   ============================================ */

.product-card {
  background-color: var(--color-bg-secondary);
  border: var(--border-width) solid var(--color-border);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.product-card:hover {
  border-color: var(--color-accent-primary);
  box-shadow: var(--shadow-glow);
  transform: scale(1.05);
}

.product-card img {
  width: 100%;
  max-width: 300px;
  height: auto;
  max-height: 200px;
  object-fit: cover;
  margin: 0 auto var(--space-md);
  border: var(--border-width) solid var(--color-border);
  display: block;
}

.product-title {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  color: var(--color-accent-tertiary);
  margin-bottom: var(--space-md);
}

.product-price {
  font-family: var(--font-primary);
  font-size: 1.75rem;
  color: var(--color-accent-primary);
  margin: var(--space-md) 0;
  text-shadow: var(--shadow-glow);
}

/* ============================================
   FORMS
   ============================================ */

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--color-bg-secondary);
  border: var(--border-width) solid var(--color-border);
  padding: var(--space-xl);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  background-color: var(--color-bg-primary);
  border: var(--border-width) solid var(--color-border);
  color: var(--color-text-primary);
  font-family: var(--font-secondary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: var(--shadow-glow);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 4px;
  cursor: pointer;
}

.checkbox-group label {
  margin-bottom: 0;
  text-transform: none;
  font-weight: normal;
  cursor: pointer;
}

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background-color: transparent;
  border: var(--border-width) solid var(--color-accent-primary);
  color: var(--color-accent-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  margin-top: 10px;
}

.btn:hover {
  background-color: var(--color-accent-primary);
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-glow-strong);
  transform: translateY(-2px);
}

.btn-secondary {
  border-color: var(--color-accent-secondary);
  color: var(--color-accent-secondary);
}

.btn-secondary:hover {
  background-color: var(--color-accent-secondary);
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-neon);
}

/* ============================================
   GOOGLE MAPS
   ============================================ */

.map-container {
  width: 100%;
  height: 400px;
  margin: var(--space-xl) 0;
  border: var(--border-width) solid var(--color-border);
  overflow: hidden;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(50%) invert(10%);
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  background-color: var(--color-bg-secondary);
  border-top: var(--border-width) solid var(--color-border);
  padding: var(--space-xl) 0;
  margin-top: var(--space-xxl);
}

.footer-content {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.footer-section h3 {
  font-size: 1rem;
  margin-bottom: var(--space-md);
  color: var(--color-accent-tertiary);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--space-sm);
}

.footer-section ul li a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.footer-section ul li a:hover {
  color: var(--color-accent-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: 1px solid rgba(232, 232, 232, 0.2);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* ============================================
   PRIVACY POPUP
   ============================================ */

.privacy-popup {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  max-width: 400px;
  background-color: var(--color-bg-secondary);
  border: var(--border-width) solid var(--color-accent-primary);
  padding: var(--space-lg);
  z-index: 10000;
  box-shadow: var(--shadow-glow-strong);
}

.privacy-popup.active {
  display: block;
  animation: slide-up 0.5s ease;
}

@keyframes slide-up {
  from {
    transform: translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.privacy-popup p {
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
}

.privacy-popup .btn {
  width: 100%;
  margin-top: var(--space-md);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-center {
  text-align: center;
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }
  
  .burger-toggle {
    display: block;
  }
  
  .mobile-nav {
    display: block;
  }
  
  .two-column {
    grid-template-columns: 1fr;
  }
  
  .hero-banner {
    min-height: 50vh;
  }
}

@media (min-width: 1024px) {
  .main-nav {
    display: flex;
  }
  
  .burger-toggle {
    display: none;
  }
  
  .mobile-nav {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 2rem;
    --space-xxl: 3rem;
  }
  
  .site-header {
    padding: var(--space-md);
  }
  
  .grid-container {
    grid-template-columns: 1fr;
  }
  
  .groove-scanner {
    padding: var(--space-md);
  }
  
  .contact-form {
    padding: var(--space-lg);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .privacy-popup {
    max-width: calc(100% - 2rem);
    right: var(--space-md);
    bottom: var(--space-md);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .hero-banner {
    min-height: 40vh;
  }
  
  .hero-content {
    padding: var(--space-md);
  }
}

@media (max-width: 320px) {
  html {
    font-size: 12px;
  }
  
  .site-header {
    padding: var(--space-sm);
  }
  
  .content-section {
    padding: var(--space-lg) 0;
  }
}

/* ============================================
   ORBITAL NAVIGATION EFFECT
   ============================================ */

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

.orbital-hover {
  transition: transform var(--transition-slow);
}

.orbital-hover:hover {
  transform: rotate(5deg);
}

/* ============================================
   SPECIAL EFFECTS
   ============================================ */

.glow-effect {
  position: relative;
}

.glow-effect::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120%;
  height: 120%;
  background: radial-gradient(
    circle,
    rgba(123, 0, 255, 0.3) 0%,
    transparent 70%
  );
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.glow-effect:hover::after {
  opacity: 1;
}

/* Audio wave animation */
@keyframes audio-wave {
  0%, 100% {
    transform: scaleY(1);
  }
  50% {
    transform: scaleY(1.5);
  }
}

.audio-wave {
  display: inline-block;
  width: 4px;
  height: 20px;
  background: var(--color-accent-primary);
  margin: 0 2px;
  animation: audio-wave 1s ease-in-out infinite;
}

.audio-wave:nth-child(2) {
  animation-delay: 0.1s;
}

.audio-wave:nth-child(3) {
  animation-delay: 0.2s;
}

.audio-wave:nth-child(4) {
  animation-delay: 0.3s;
}