/* ============================================
   SONIC GEOMETRY DESIGN SYSTEM
   Musical Instrument Care - Futuristic Theme
   ============================================ */

:root {
  /* Color Palette - Sonic Geometry */
  --color-chamber: #070708;
  --color-frequency: #00D1FF;
  --color-alloy: #E0C38C;
  --color-surface: #1a1a1b;
  --color-text-primary: #ffffff;
  --color-text-secondary: #b0b0b0;
  --color-accent-glow: rgba(0, 209, 255, 0.3);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;
  --space-xxl: 6rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px var(--color-accent-glow);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Layout */
  --container-max: 1200px;
  --section-padding: clamp(3rem, 8vw, 6rem);
}

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

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

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

body {
  font-family: var(--font-primary);
  background-color: var(--color-chamber);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

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

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

a:hover {
  color: var(--color-alloy);
}

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

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: rgba(7, 7, 8, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 209, 255, 0.1);
  z-index: 1000;
}

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

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

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

.nav-link {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  position: relative;
}

.nav-link:hover {
  color: var(--color-frequency);
  background: rgba(0, 209, 255, 0.1);
}

.burger-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-frequency);
  color: var(--color-frequency);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.25rem;
  transition: all var(--transition-base);
  order: 999;
  z-index: 1000001;
}

.burger-toggle:hover {
  background: rgba(0, 209, 255, 0.1);
  box-shadow: var(--shadow-glow);
}

.burger-toggle.active {
  background: var(--color-frequency);
  color: var(--color-chamber);
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(7, 7, 8, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 209, 255, 0.2);
  padding: var(--space-lg);
  flex-direction: column;
  gap: var(--space-md);
  z-index: 999;
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu .nav-link {
  width: 100%;
  text-align: center;
  padding: var(--space-md);
  border-bottom: 1px solid rgba(0, 209, 255, 0.1);
}

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

.hero-banner {
  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%);
}

.banner-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.4;
  filter: brightness(0.6) contrast(1.2);
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(7, 7, 8, 0.85) 0%,
    rgba(26, 26, 27, 0.75) 50%,
    rgba(7, 7, 8, 0.85) 100%
  );
  z-index: 1;
}

.banner-content {
  position: relative;
  z-index: 2;
  max-width: var(--container-max);
  width: 100%;
  padding: var(--space-xl);
  text-align: center;
}

.banner-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-frequency) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 30px var(--color-accent-glow);
}

.banner-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--color-text-secondary);
  max-width: 800px;
  margin: 0 auto var(--space-xl);
}

/* ============================================
   MAIN CONTENT & SECTIONS
   ============================================ */

main {
  position: relative;
  z-index: 10;
}

.content-section {
  padding: var(--section-padding) var(--space-lg);
  max-width: var(--container-max);
  margin: 0 auto;
}

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

.section-title::after {
  content: '';
  position: absolute;
  bottom: -var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-frequency), transparent);
}

/* ============================================
   GRID LAYOUTS
   ============================================ */

.grid-container {
  display: grid;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  justify-items: center;
}

.grid-two {
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.grid-three {
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.grid-four {
  grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr));
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.grid-item {
  background: rgba(26, 26, 27, 0.6);
  border: 1px solid rgba(0, 209, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
  width: 100%;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  text-align: center;
}

.grid-item:hover {
  border-color: var(--color-frequency);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.grid-image {
  width: 100%;
  max-width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.grid-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-frequency);
}

.grid-text {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ============================================
   FEATURE CARDS
   ============================================ */

.feature-card {
  text-align: center;
  padding: var(--space-xl);
}

.feature-icon {
  font-size: 3rem;
  color: var(--color-frequency);
  margin-bottom: var(--space-md);
  display: inline-block;
}

.feature-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.feature-description {
  color: var(--color-text-secondary);
  max-width: 400px;
  margin: 0 auto;
}

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

.product-card {
  background: rgba(26, 26, 27, 0.6);
  border: 1px solid rgba(0, 209, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.product-card:hover {
  border-color: var(--color-alloy);
  box-shadow: 0 0 30px rgba(224, 195, 140, 0.2);
  transform: translateY(-4px);
}

.product-image {
  width: 100%;
  max-width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.product-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-alloy);
}

.product-price {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-frequency);
  margin: var(--space-md) 0;
}

.product-description {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ============================================
   CONTACT FORM
   ============================================ */

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.contact-form {
  background: rgba(26, 26, 27, 0.6);
  border: 1px solid rgba(0, 209, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(10px);
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
  font-weight: 500;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  background: rgba(7, 7, 8, 0.8);
  border: 1px solid rgba(0, 209, 255, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-frequency);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

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

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

.checkbox-input {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.checkbox-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.submit-button {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(135deg, var(--color-frequency) 0%, #0099cc 100%);
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-chamber);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 10px;
}

.button-link {
  display: inline-block;
  width: auto;
  padding: var(--space-md) var(--space-xl);
  margin-top: var(--space-lg);
}

.submit-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.contact-info {
  background: rgba(26, 26, 27, 0.6);
  border: 1px solid rgba(0, 209, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(10px);
}

.info-item {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(0, 209, 255, 0.1);
}

.info-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.info-label {
  color: var(--color-frequency);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.info-value {
  color: var(--color-text-primary);
  font-size: 1.125rem;
}

.map-container {
  margin-top: var(--space-xl);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(0, 209, 255, 0.2);
}

.map-iframe {
  width: 100%;
  height: 400px;
  border: none;
  display: block;
}

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

.site-footer {
  background: rgba(7, 7, 8, 0.95);
  border-top: 1px solid rgba(0, 209, 255, 0.1);
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-xxl);
}

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

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

.footer-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-frequency);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.footer-link {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

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

.footer-text {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  line-height: 1.7;
}

.footer-copyright {
  text-align: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: 1px solid rgba(0, 209, 255, 0.1);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

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

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

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

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

.date {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-style: italic;
}

/* ============================================
   CYMATIC PATTERNS ANIMATION
   ============================================ */

@keyframes cymatic-pulse {
  0%, 100% {
    opacity: 0.1;
    transform: scale(1);
  }
  50% {
    opacity: 0.2;
    transform: scale(1.05);
  }
}

.cymatic-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.05;
  background-image: 
    radial-gradient(circle at 20% 50%, var(--color-frequency) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, var(--color-alloy) 0%, transparent 50%),
    radial-gradient(circle at 40% 20%, var(--color-frequency) 0%, transparent 50%);
  animation: cymatic-pulse 8s ease-in-out infinite;
}

/* ============================================
   CONSENT BANNER
   ============================================ */

.consent-banner {
  position: fixed;
  left: var(--space-md);
  right: var(--space-md);
  bottom: var(--space-md);
  z-index: 2000;
}

.consent-panel {
  max-width: var(--container-max);
  margin: 0 auto;
  background: rgba(7, 7, 8, 0.92);
  border: 1px solid rgba(0, 209, 255, 0.2);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-md);
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.consent-title {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
  color: var(--color-text-primary);
}

.consent-description {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  max-width: 52rem;
}

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

.consent-link {
  color: var(--color-text-primary);
  border: 1px solid rgba(0, 209, 255, 0.25);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  font-size: 0.9375rem;
}

.consent-link:hover {
  color: var(--color-frequency);
  box-shadow: var(--shadow-glow);
}

.consent-button {
  background: linear-gradient(135deg, var(--color-frequency) 0%, #0099cc 100%);
  border: none;
  border-radius: var(--radius-full);
  padding: var(--space-sm) var(--space-lg);
  cursor: pointer;
  color: var(--color-chamber);
  font-weight: 600;
  transition: all var(--transition-base);
  font-size: 0.9375rem;
}

.consent-button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

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

@media (max-width: 1023px) {
  .main-navigation {
    display: none;
  }
  
  .burger-toggle {
    display: block;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .grid-two,
  .grid-three,
  .grid-four {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: clamp(2rem, 6vw, 4rem);
  }
  
  .header-container {
    padding: 0;
  }
  
  .banner-content {
    padding: var(--space-lg);
  }
  
  .hero-banner {
    min-height: 60vh;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .consent-panel {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .site-header {
    padding: var(--space-sm) var(--space-md);
  }
  
  .content-section {
    padding: var(--section-padding) var(--space-md);
  }
  
  .contact-form,
  .contact-info {
    padding: var(--space-lg);
  }
  
  .map-iframe {
    height: 300px;
  }
}

@media (max-width: 320px) {
  html {
    font-size: 14px;
  }
  
  .banner-title {
    font-size: 1.75rem;
  }
  
  .grid-item,
  .product-card {
    padding: var(--space-md);
  }
}