/* ============================================
   CUSTOM NEON SIGN DESIGN - DARK VACUUM THEME
   ============================================ */

:root {
  /* Color Palette - Dark Vacuum Neon */
  --color-absolute-zero: #000000;
  --color-xenon-white: #E0F7FA;
  --color-plasma-violet: #8A2BE2;
  --color-electric-krypton: #39FF14;
  --color-neon-blue: #00D4FF;
  --color-glow-violet: rgba(138, 43, 226, 0.3);
  --color-glow-green: rgba(57, 255, 20, 0.3);
  --color-glow-blue: rgba(0, 212, 255, 0.3);
  
  /* Typography */
  --font-primary: 'Exo 2', sans-serif;
  --font-weight-light: 200;
  --font-weight-regular: 400;
  --font-weight-bold: 700;
  
  /* 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;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows & Glows */
  --shadow-glow-violet: 0 0 20px var(--color-glow-violet), 0 0 40px var(--color-glow-violet);
  --shadow-glow-green: 0 0 20px var(--color-glow-green), 0 0 40px var(--color-glow-green);
  --shadow-glow-blue: 0 0 20px var(--color-glow-blue), 0 0 40px var(--color-glow-blue);
  --shadow-text-glow: 0 0 10px currentColor, 0 0 20px currentColor;
}

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

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

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

body {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-regular);
  background-color: var(--color-absolute-zero);
  color: var(--color-xenon-white);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

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

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-light);
  line-height: 1.2;
  margin-bottom: var(--space-md);
  letter-spacing: 0.05em;
}

h1 {
  font-size: clamp(1.4rem, 4vw, 4rem);
  text-transform: uppercase;
  animation: pulse-glow 3s ease-in-out infinite;
}

h2 {
  font-size: clamp(1.2rem, 3vw, 3rem);
}

h3 {
  font-size: clamp(1rem, 2vw, 2rem);
}

p {
  margin-bottom: var(--space-md);
  font-size: clamp(0.875rem, 2vw, 1.125rem);
}

a {
  color: var(--color-electric-krypton);
  text-decoration: none;
  transition: all var(--transition-medium);
}

a:hover {
  color: var(--color-neon-blue);
  text-shadow: var(--shadow-text-glow);
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes pulse-glow {
  0%, 100% {
    text-shadow: 0 0 10px var(--color-glow-violet), 0 0 20px var(--color-glow-violet);
    opacity: 1;
  }
  50% {
    text-shadow: 0 0 20px var(--color-glow-violet), 0 0 40px var(--color-glow-violet), 0 0 60px var(--color-glow-violet);
    opacity: 0.9;
  }
}

@keyframes flicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

@keyframes light-leak {
  0% { transform: translate(-50%, -50%) scale(0.8); opacity: 0; }
  50% { opacity: 0.3; }
  100% { transform: translate(-50%, -50%) scale(1.2); opacity: 0; }
}

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

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
}

.brand-text {
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: var(--font-weight-light);
  color: var(--color-xenon-white);
  text-shadow: 0 0 10px var(--color-glow-violet);
}

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

.header-burger {
  display: none;
}

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

.nav-link {
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  color: var(--color-xenon-white);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-medium);
  position: relative;
}

.nav-link:hover {
  color: var(--color-electric-krypton);
  box-shadow: var(--shadow-glow-green);
}

.burger-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  color: var(--color-xenon-white);
  font-size: 1.5rem;
  transition: all var(--transition-medium);
  z-index: 100001;
}

.header-burger {
  display: none;
}

.burger-toggle:hover {
  color: var(--color-electric-krypton);
  text-shadow: var(--shadow-text-glow);
}

.burger-icon {
  width: 30px;
  height: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
}

.burger-icon span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-xenon-white);
  transition: all var(--transition-medium);
  border-radius: 2px;
}

.burger-toggle.active .burger-icon span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.burger-toggle.active .burger-icon span:nth-child(2) {
  opacity: 0;
}

.burger-toggle.active .burger-icon span:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

/* ============================================
   BURGER MENU (Mobile)
   ============================================ */

@media (max-width: 1023px) {
  .main-navigation {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--space-xxl) var(--space-lg);
    transition: right var(--transition-medium);
    z-index: 998;
    box-shadow: -5px 0 30px rgba(138, 43, 226, 0.5);
  }

  .main-navigation.active {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: var(--space-md);
    align-items: flex-start;
    display: flex !important;
  }

  .nav-link {
    width: 100%;
    padding: var(--space-md);
    border-bottom: 1px solid rgba(224, 247, 250, 0.1);
    font-size: 1.125rem;
    display: block;
  }

  .header-burger {
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    position: relative;
  }

  .site-header .nav-list {
    display: none;
  }

  .main-navigation.active .nav-list {
    display: flex !important;
  }

  .site-header {
    position: relative;
    z-index: 1000;
  }
}

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

.main-content {
  width: 100%;
  min-height: calc(100vh - 200px);
}

/* ============================================
   FULL-WIDTH BANNER SECTIONS
   ============================================ */

.hero-banner {
  position: relative;
  width: 100vw;
  min-height: 80vh;
  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: 1;
  opacity: 0.3;
  filter: brightness(0.4);
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.7) 0%,
    rgba(0, 0, 0, 0.5) 50%,
    rgba(0, 0, 0, 0.7) 100%
  );
  z-index: 2;
}

.banner-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.banner-title {
  font-size: clamp(1.3rem, 6vw, 5rem);
  margin-bottom: var(--space-lg);
  text-shadow: 0 0 30px var(--color-glow-violet);
}

.banner-text {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  max-width: 800px;
  margin: 0 auto var(--space-xl);
  line-height: 1.8;
}

/* ============================================
   SECTION LAYOUTS
   ============================================ */

.content-section {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-xxl) var(--space-lg);
  text-align: center;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  font-size: clamp(1rem, 4vw, 3.5rem);
  text-transform: uppercase;
  color: var(--color-xenon-white);
  text-shadow: 0 0 20px var(--color-glow-violet);
}

.section-grid {
  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: rgba(224, 247, 250, 0.05);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-medium);
  border: 1px solid rgba(224, 247, 250, 0.1);
}

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

.grid-item-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  opacity: 0.8;
  transition: opacity var(--transition-medium);
}

.grid-item:hover .grid-item-image {
  opacity: 1;
}

.grid-item-title {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  margin-bottom: var(--space-sm);
  color: var(--color-electric-krypton);
}

.grid-item-text {
  color: var(--color-xenon-white);
  opacity: 0.9;
  line-height: 1.7;
}

/* ============================================
   BUTTONS & CTAs
   ============================================ */

.btn-primary {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: transparent;
  border: 2px solid var(--color-electric-krypton);
  color: var(--color-electric-krypton);
  font-size: clamp(0.875rem, 1.5vw, 1.125rem);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-medium);
  text-align: center;
  font-family: var(--font-primary);
  font-weight: var(--font-weight-light);
  margin-top: 10px;
}

.btn-primary:hover {
  background: var(--color-electric-krypton);
  color: var(--color-absolute-zero);
  box-shadow: var(--shadow-glow-green);
  transform: scale(1.05);
}

.btn-secondary {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: transparent;
  border: 2px solid var(--color-plasma-violet);
  color: var(--color-plasma-violet);
  font-size: clamp(0.875rem, 1.5vw, 1.125rem);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-medium);
  text-align: center;
  font-family: var(--font-primary);
  font-weight: var(--font-weight-light);
}

.btn-secondary:hover {
  background: var(--color-plasma-violet);
  color: var(--color-xenon-white);
  box-shadow: var(--shadow-glow-violet);
  transform: scale(1.05);
}

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

.contact-form {
  max-width: 700px;
  margin: 0 auto;
  padding: var(--space-xl);
  background: rgba(224, 247, 250, 0.05);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(224, 247, 250, 0.1);
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-xenon-white);
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(224, 247, 250, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-xenon-white);
  font-family: var(--font-primary);
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  transition: all var(--transition-medium);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-electric-krypton);
  box-shadow: 0 0 15px var(--color-glow-green);
}

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

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

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

.checkbox-label {
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  color: var(--color-xenon-white);
  opacity: 0.9;
  line-height: 1.5;
}

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

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.product-card {
  background: rgba(224, 247, 250, 0.05);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid rgba(224, 247, 250, 0.1);
  transition: all var(--transition-medium);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow-violet);
  border-color: var(--color-plasma-violet);
}

.product-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  opacity: 0.8;
}

.product-title {
  font-size: clamp(1.4rem, 2vw, 2rem);
  margin-bottom: var(--space-sm);
  color: var(--color-electric-krypton);
}

.product-description {
  color: var(--color-xenon-white);
  opacity: 0.9;
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.product-price {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  color: var(--color-plasma-violet);
  font-weight: var(--font-weight-bold);
  text-shadow: 0 0 10px var(--color-glow-violet);
}

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

.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: var(--space-xl);
  border: 1px solid rgba(224, 247, 250, 0.2);
  box-shadow: var(--shadow-glow-blue);
}

.map-iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(50%) brightness(0.8);
}

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

.site-footer {
  width: 100%;
  padding: var(--space-xl) var(--space-lg);
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(224, 247, 250, 0.1);
  margin-top: var(--space-xxl);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

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

.footer-title {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: var(--space-md);
  color: var(--color-electric-krypton);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

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

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

.footer-link {
  color: var(--color-xenon-white);
  opacity: 0.8;
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  transition: all var(--transition-fast);
}

.footer-link:hover {
  opacity: 1;
  color: var(--color-electric-krypton);
  padding-left: var(--space-sm);
}

.footer-text {
  color: var(--color-xenon-white);
  opacity: 0.7;
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  line-height: 1.6;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(224, 247, 250, 0.1);
  margin-top: var(--space-lg);
  color: var(--color-xenon-white);
  opacity: 0.6;
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
}

/* ============================================
   LIGHT LEAK EFFECT (Background)
   ============================================ */

.light-leak-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.light-leak {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-glow-violet) 0%, transparent 70%);
  opacity: 0;
  pointer-events: none;
}

/* ============================================
   ADAPTIVE LUMINOSITY TOGGLE
   ============================================ */

.luminosity-control {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 1000;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(224, 247, 250, 0.2);
}

.luminosity-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  color: var(--color-xenon-white);
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.luminosity-slider {
  width: 200px;
  height: 4px;
  background: rgba(224, 247, 250, 0.2);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
}

.luminosity-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background: var(--color-electric-krypton);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 10px var(--color-glow-green);
}

.luminosity-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: var(--color-electric-krypton);
  border-radius: 50%;
  cursor: pointer;
  border: none;
  box-shadow: 0 0 10px var(--color-glow-green);
}

/* Blackout mode */
body.blackout-mode {
  filter: brightness(0.1);
}

body.blackout-mode .hero-banner,
body.blackout-mode .content-section,
body.blackout-mode .site-header,
body.blackout-mode .site-footer {
  opacity: 0.1;
}

body.blackout-mode .grid-item-image,
body.blackout-mode .product-image,
body.blackout-mode .banner-background {
  opacity: 1;
  filter: brightness(1.5);
}

/* ============================================
   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-xenon-white);
  opacity: 0.7;
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
}

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

@media (max-width: 768px) {
  .content-section {
    padding: var(--space-xl) var(--space-md);
  }

  .section-grid,
  .products-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

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

  .banner-content {
    padding: var(--space-lg);
  }

  .luminosity-control {
    bottom: var(--space-md);
    right: var(--space-md);
    padding: var(--space-sm);
  }

  .luminosity-slider {
    width: 150px;
  }
}

@media (max-width: 480px) {
  .site-header {
    padding: var(--space-sm) var(--space-md);
  }

  .content-section {
    padding: var(--space-lg) var(--space-sm);
  }

  .hero-banner {
    min-height: 50vh;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }
}

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

.privacy-popup {
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  right: var(--space-lg);
  max-width: 600px;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(20px);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-plasma-violet);
  box-shadow: var(--shadow-glow-violet);
  z-index: 2000;
  display: none;
}

.privacy-popup.active {
  display: block;
}

.privacy-popup-text {
  margin-bottom: var(--space-md);
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  line-height: 1.6;
}

.privacy-popup-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ============================================
   404 PAGE
   ============================================ */

.error-page {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl);
}

.error-code {
  font-size: clamp(4rem, 10vw, 8rem);
  color: var(--color-plasma-violet);
  text-shadow: var(--shadow-glow-violet);
  margin-bottom: var(--space-md);
}

.error-message {
  font-size: clamp(1.25rem, 3vw, 2rem);
  margin-bottom: var(--space-lg);
}

/* ============================================
   THANK YOU PAGE
   ============================================ */

.thank-you-section {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl);
}

.thank-you-title {
  font-size: clamp(1.4rem, 5vw, 4rem);
  color: var(--color-electric-krypton);
  text-shadow: var(--shadow-glow-green);
  margin-bottom: var(--space-lg);
}

.thank-you-text {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  max-width: 700px;
  margin: 0 auto var(--space-xl);
  line-height: 1.8;
}

/* ============================================
   SPECTRUM SIMULATOR
   ============================================ */

.spectrum-simulator {
  min-height: 100vh;
  background: var(--color-absolute-zero);
  padding: var(--space-xl);
}

.spectrum-controls {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-xl);
  background: rgba(224, 247, 250, 0.05);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(224, 247, 250, 0.1);
}

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

.control-label {
  display: block;
  margin-bottom: var(--space-md);
  color: var(--color-xenon-white);
  font-size: clamp(1rem, 2vw, 1.25rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.gas-slider {
  width: 100%;
  height: 8px;
  background: rgba(224, 247, 250, 0.2);
  border-radius: 4px;
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
  margin-bottom: var(--space-sm);
}

.gas-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--color-electric-krypton);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 15px var(--color-glow-green);
  transition: all var(--transition-medium);
}

.gas-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 25px var(--color-glow-green);
}

.gas-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--color-electric-krypton);
  border-radius: 50%;
  cursor: pointer;
  border: none;
  box-shadow: 0 0 15px var(--color-glow-green);
  transition: all var(--transition-medium);
}

.gas-slider::-moz-range-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 25px var(--color-glow-green);
}

.gas-value {
  color: var(--color-electric-krypton);
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  text-align: right;
}

.spectrum-preview {
  width: 100%;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  border-radius: var(--radius-lg);
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  border: 2px solid rgba(224, 247, 250, 0.1);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: var(--font-weight-light);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  transition: all var(--transition-medium);
}

.room-ambient-control {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(224, 247, 250, 0.1);
}

.ambient-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.ambient-options {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.ambient-option {
  padding: var(--space-sm) var(--space-md);
  background: rgba(224, 247, 250, 0.05);
  border: 1px solid rgba(224, 247, 250, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-xenon-white);
  cursor: pointer;
  transition: all var(--transition-medium);
  font-size: clamp(0.875rem, 1.5vw, 1rem);
}

.ambient-option:hover {
  border-color: var(--color-electric-krypton);
  box-shadow: 0 0 10px var(--color-glow-green);
}

.ambient-option.active {
  background: var(--color-electric-krypton);
  color: var(--color-absolute-zero);
  border-color: var(--color-electric-krypton);
  box-shadow: 0 0 15px var(--color-glow-green);
}