/* ============================================
   FUTURISTIC SOUND DESIGN STUDIO - CSS
   Professional Mastering Suite 2050 Aesthetic
   ============================================ */

/* CSS Variables */
:root {
  /* Colors */
  --color-radar-blue: #080D1A;
  --color-signal-amber: #FFB000;
  --color-frequency-cyan: #00F0FF;
  --color-charcoal-mesh: #1A1A1B;
  --color-dark-surface: #0F1419;
  --color-text-primary: #E8E8E8;
  --color-text-secondary: #B0B0B0;
  --color-border-subtle: rgba(0, 240, 255, 0.1);
  
  /* Typography */
  --font-headline: 'Space Mono', 'Courier New', monospace;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Layout */
  --container-max: 1200px;
  --section-padding: 4rem 1rem;
  
  /* Effects */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-glow-cyan: 0 0 20px rgba(0, 240, 255, 0.3);
  --shadow-glow-amber: 0 0 20px rgba(255, 176, 0, 0.3);
  --shadow-deep: 0 10px 40px rgba(0, 0, 0, 0.5);
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background-color: var(--color-radar-blue);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Oscilloscope Frame Effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 1px solid var(--color-frequency-cyan);
  pointer-events: none;
  z-index: 9999;
  opacity: 0.3;
  animation: pulse-frame 3s ease-in-out infinite;
}

@keyframes pulse-frame {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 0.4; }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
  font-size: clamp(0.9rem, 2vw, 1rem);
}

a {
  color: var(--color-frequency-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-signal-amber);
}

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Header */
.header-main {
  position: relative;
  padding: var(--space-md) 0;
  background: rgba(8, 13, 26, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-subtle);
  z-index: 1000;
}

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

.brand-text {
  font-family: var(--font-headline);
  font-size: clamp(1rem, 2vw, 1.35rem);
  color: var(--color-frequency-cyan);
}

.nav-menu {
  display: flex;
  gap: 15px;
  list-style: none;
  align-items: center;
}

.nav-link {
  color: var(--color-text-secondary);
  font-size: clamp(0.85rem, 2vw, 0.95rem);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-signal-amber);
  transition: width var(--transition-medium);
}

.nav-link:hover {
  color: var(--color-signal-amber);
}

.nav-link:hover::after {
  width: 100%;
}

/* Burger Menu */
.burger-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-frequency-cyan);
  color: var(--color-frequency-cyan);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  font-family: var(--font-headline);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--transition-fast);
  position: relative;
  z-index: 101;
}

.burger-toggle:hover {
  background: var(--color-frequency-cyan);
  color: var(--color-radar-blue);
  box-shadow: var(--shadow-glow-cyan);
}

.burger-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: var(--color-dark-surface);
  border-left: 1px solid var(--color-frequency-cyan);
  padding: var(--space-xxl) var(--space-lg);
  transition: right var(--transition-medium);
  z-index: 1000;
  overflow-y: auto;
}

.burger-menu.active {
  right: 0;
}

.burger-menu-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.burger-menu-link {
  color: var(--color-text-primary);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: var(--space-md);
  border-left: 2px solid transparent;
  transition: all var(--transition-fast);
  display: block;
}

.burger-menu-link:hover {
  color: var(--color-signal-amber);
  border-left-color: var(--color-signal-amber);
  padding-left: var(--space-lg);
}

.burger-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: transparent;
  border: 1px solid var(--color-frequency-cyan);
  color: var(--color-frequency-cyan);
  width: 40px;
  height: 40px;
  cursor: pointer;
  font-size: 1.5rem;
  transition: all var(--transition-fast);
}

.burger-close:hover {
  background: var(--color-frequency-cyan);
  color: var(--color-radar-blue);
}

/* Hero Banner */
.hero-section {
  position: relative;
  width: 100vw;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(8, 13, 26, 0.7) 0%,
    rgba(8, 13, 26, 0.9) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin-bottom: var(--space-lg);
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--color-frequency-cyan);
  text-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
  animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { text-shadow: 0 0 30px rgba(0, 240, 255, 0.5); }
  50% { text-shadow: 0 0 50px rgba(0, 240, 255, 0.8); }
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.8;
}

/* Sections */
.content-section {
  padding: var(--section-padding);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.section-title {
  text-align: center;
  margin-bottom: var(--space-xxl);
  position: relative;
  padding-bottom: var(--space-md);
  width: 100%;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 2px;
  background: linear-gradient(
    to right,
    transparent,
    var(--color-signal-amber),
    transparent
  );
}

/* Grid Layouts - Centered and Balanced */

/* Cards */
.card-module {
  background: var(--color-dark-surface);
  border: 1px solid var(--color-border-subtle);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.card-module::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 240, 255, 0.1),
    transparent
  );
  transition: left var(--transition-slow);
}

.card-module:hover {
  border-color: var(--color-frequency-cyan);
  box-shadow: var(--shadow-glow-cyan);
  transform: translateY(-5px);
}

.card-module:hover::before {
  left: 100%;
}

.card-title {
  color: var(--color-signal-amber);
  margin-bottom: var(--space-md);
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
}

.card-image {
  width: 100%;
  height: 180px;
  max-height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  opacity: 0.8;
  transition: opacity var(--transition-fast);
  display: block;
}

.card-module:hover .card-image {
  opacity: 1;
}

.product-card .card-image {
  height: 200px;
  max-height: 200px;
}

/* Improved Grid Layouts */
.grid-two {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.grid-three {
  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;
}

.grid-four {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn-primary {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: transparent;
  border: 2px solid var(--color-frequency-cyan);
  color: var(--color-frequency-cyan);
  font-family: var(--font-headline);
  font-size: clamp(0.85rem, 2vw, 1rem);
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
  margin-top: 10px;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: var(--color-frequency-cyan);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
  z-index: -1;
}

.btn-primary:hover {
  color: var(--color-radar-blue);
  box-shadow: var(--shadow-glow-cyan);
}

.btn-primary:hover::before {
  width: 300px;
  height: 300px;
}

.btn-secondary {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: transparent;
  border: 2px solid var(--color-signal-amber);
  color: var(--color-signal-amber);
  font-family: var(--font-headline);
  font-size: clamp(0.85rem, 2vw, 1rem);
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all var(--transition-medium);
}

.btn-secondary:hover {
  background: var(--color-signal-amber);
  color: var(--color-radar-blue);
  box-shadow: var(--shadow-glow-amber);
}

/* Forms */
.form-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--color-dark-surface);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  background: var(--color-radar-blue);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-frequency-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

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

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

.checkbox-input {
  margin-top: 4px;
  cursor: pointer;
}

.checkbox-label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* Footer */
.footer-main {
  background: var(--color-dark-surface);
  border-top: 1px solid var(--color-border-subtle);
  padding: var(--space-xl) 0;
  margin-top: var(--space-xxl);
}

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

.footer-section-title {
  color: var(--color-signal-amber);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-md);
}

.footer-menu {
  list-style: none;
}

.footer-menu-item {
  margin-bottom: var(--space-sm);
}

.footer-link {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  transition: color var(--transition-fast);
}

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

.footer-info {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  line-height: 1.8;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: 1px solid var(--color-border-subtle);
  color: var(--color-text-secondary);
  font-size: 0.8rem;
}

/* Privacy Popup */
.privacy-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 10000;
  backdrop-filter: blur(5px);
}

.privacy-overlay.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.privacy-popup {
  background: var(--color-dark-surface);
  border: 2px solid var(--color-frequency-cyan);
  padding: var(--space-xl);
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  margin: var(--space-md);
  border-radius: var(--radius-lg);
  position: relative;
}

.privacy-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: transparent;
  border: 1px solid var(--color-frequency-cyan);
  color: var(--color-frequency-cyan);
  width: 35px;
  height: 35px;
  cursor: pointer;
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.privacy-close:hover {
  background: var(--color-frequency-cyan);
  color: var(--color-radar-blue);
}

/* Maps */
.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border-subtle);
  margin-top: var(--space-lg);
}

.map-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Product Cards */
.product-card {
  background: var(--color-dark-surface);
  border: 1px solid var(--color-border-subtle);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--transition-medium);
}

.product-card:hover {
  border-color: var(--color-signal-amber);
  box-shadow: var(--shadow-glow-amber);
  transform: translateY(-5px);
}

.product-price {
  font-family: var(--font-headline);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--color-signal-amber);
  margin: var(--space-md) 0;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

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

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

.bg-dark {
  background: var(--color-dark-surface);
}

.content-centered {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.content-narrow {
  max-width: 900px;
  margin: 0 auto;
}

.content-wide {
  max-width: 800px;
  margin: 0 auto;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-wrap {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.min-height-60 {
  min-height: 60vh;
}

.min-height-70 {
  min-height: 70vh;
}

.padding-top-xl {
  padding-top: var(--space-xxl);
}

.line-height-relaxed {
  line-height: 1.8;
}

.text-secondary {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.text-small {
  font-size: 0.85rem;
}

.text-cyan {
  color: var(--color-frequency-cyan);
}

.error-large {
  font-size: clamp(4rem, 10vw, 8rem);
  color: var(--color-frequency-cyan);
  margin-bottom: var(--space-md);
}

.error-text {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  margin-bottom: var(--space-xl);
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.date-style {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.btn-full-width {
  width: 100%;
  margin-top: var(--space-lg);
}

.btn-inline {
  margin-top: var(--space-md);
  display: inline-block;
}

.margin-auto {
  margin: 0 auto;
}

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

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

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

/* Responsive Design */
@media (max-width: 1023px) {
  .nav-menu {
    display: none;
  }
  
  .burger-toggle {
    display: block;
  }
  
  .header-content {
    justify-content: space-between;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 3rem 1rem;
  }
  
  .grid-two,
  .grid-three,
  .grid-four {
    grid-template-columns: 1fr;
  }
  
  .hero-section {
    min-height: 60vh;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --section-padding: 2rem 1rem;
  }
  
  .hero-content {
    padding: var(--space-md);
  }
  
  .form-container {
    padding: var(--space-md);
  }
}

@media (max-width: 320px) {
  .container {
    padding: 0 var(--space-sm);
  }
  
  .card-module,
  .product-card {
    padding: var(--space-md);
  }
}