/* WTS Racing CSS Design System & Theme */
@import url('https://fonts.googleapis.com/css2?family=Exo:ital,wght@0,400;0,700;1,400;1,700&display=swap');

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Colors */
  --bg-primary: #0a0a0c;         /* Sleek dark slate */
  --bg-secondary: #343031;       /* Brand book dark grey background */
  --bg-tertiary: #252223;        /* Slightly darker grey for dropdowns & inputs */
  
  --accent-neon: #f29022;        /* Brand Primary Orange */
  --accent-neon-hover: #e84b19;  /* Brand Primary Orange-Red */
  --accent-neon-glow: rgba(242, 144, 34, 0.4);
  --accent-neon-glow-strong: rgba(242, 144, 34, 0.75);
  
  --accent-orange: #e84b19;      /* Brand Red-Orange */
  --accent-orange-glow: rgba(232, 75, 25, 0.3);
  
  --text-primary: #f1f3f5;       /* Crisp off-white */
  --text-secondary: #d2cfcd;     /* Brand book light grey for body text */
  --text-muted: #b3b2b1;         /* Brand book medium light grey for footnotes */
  
  --border-color: #4a4748;       /* Soft grey border outline */
  --border-color-glow: rgba(242, 144, 34, 0.2);
  
  /* Fonts */
  --font-display: 'Exo', -apple-system, sans-serif;
  --font-body: 'Arial', -apple-system, sans-serif;
  
  /* Layout & Sizing */
  --container-max: 1200px;
  --radius-lg: 16px;
  --radius-md: 8px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-slow: 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* --- Base Resets & Layout --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Carbon Fiber Subtle Pattern Texture */
.carbon-pattern {
  background-image: 
    linear-gradient(45deg, rgba(255, 255, 255, 0.003) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.003) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.003) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.003) 75%);
  background-size: 8px 8px;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  font-weight: 700;
  text-transform: uppercase;
}

p {
  color: var(--text-secondary);
}

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

/* --- Nav Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background-color: rgba(10, 10, 12, 0.8);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  transition: var(--transition-normal);
}

.header.scrolled {
  height: 80px;
  background-color: rgba(15, 15, 18, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 80px;
  width: auto;
  display: block;
  transition: var(--transition-normal);
}

.header.scrolled .logo-img {
  height: 60px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
}

.nav-link:hover {
  color: var(--accent-neon);
  text-shadow: 0 0 8px var(--accent-neon-glow);
}

.nav-btn {
  display: inline-block;
  padding: 10px 22px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  background-color: transparent;
  border: 1px solid var(--accent-neon);
  border-radius: var(--radius-md);
  letter-spacing: 0.08em;
  box-shadow: 0 0 12px var(--accent-neon-glow);
  transition: var(--transition-normal);
}

.nav-btn:hover {
  background-color: var(--accent-neon);
  box-shadow: 0 0 20px var(--accent-neon-glow-strong);
  transform: translateY(-2px);
}

.nav-btn-mobile {
  display: none;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
}

.menu-toggle .bar {
  width: 25px;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition-fast);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  padding: 180px 0 120px 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 80vh;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 10;
}

.hero-title {
  font-size: clamp(32px, 6vw, 64px);
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-title span.highlight {
  color: var(--accent-neon);
  text-shadow: 0 0 15px var(--accent-neon-glow);
}

.hero-subtitle {
  font-size: clamp(16px, 2.5vw, 18px);
  max-width: 750px;
  margin: 0 auto 40px auto;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  border-radius: var(--radius-md);
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: var(--transition-normal);
}

.btn-primary {
  background-color: var(--accent-neon);
  color: var(--text-primary);
  border: 1px solid var(--accent-neon);
  box-shadow: 0 4px 15px var(--accent-neon-glow);
}

.btn-primary:hover {
  background-color: var(--accent-neon-hover);
  box-shadow: 0 6px 25px var(--accent-neon-glow-strong);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--text-secondary);
  transform: translateY(-2px);
}

.btn-card-action {
  padding: 8px 16px;
  font-size: 11px;
  border: 1px solid var(--border-color);
  background-color: rgba(255, 255, 255, 0.02);
  color: var(--text-primary);
}

.btn-card-action:hover {
  background-color: var(--accent-neon);
  border-color: var(--accent-neon);
  box-shadow: 0 0 10px var(--accent-neon-glow);
}

/* Hero Announcement Badge */
.hero-announcement {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 12px 24px;
  background-color: rgba(18, 18, 22, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  max-width: 600px;
  margin: 0 auto;
  text-align: left;
}

.hero-announcement p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.hero-announcement p strong {
  color: var(--text-primary);
}

.announcement-badge {
  background-color: var(--accent-neon);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  flex-shrink: 0;
  box-shadow: 0 0 8px var(--accent-neon-glow);
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-title {
  font-size: 32px;
  margin-bottom: 12px;
  display: inline-block;
  position: relative;
}

.section-bar {
  width: 60px;
  height: 3px;
  background-color: var(--accent-neon);
  margin: 0 auto 16px auto;
  box-shadow: 0 0 8px var(--accent-neon-glow);
}

.section-subtitle {
  max-width: 600px;
  margin: 0 auto;
  font-size: 16px;
}

/* --- Products Showcase --- */
.products-section {
  padding: 100px 0;
}

.filter-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 10px 24px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--bg-secondary);
  border-color: var(--accent-neon);
  color: var(--text-primary);
  box-shadow: 0 0 10px var(--accent-neon-glow);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 30px;
}

.product-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-neon);
  box-shadow: 0 10px 30px rgba(255, 0, 85, 0.15);
}

.product-img-wrapper {
  position: relative;
  aspect-ratio: 1;
  background-color: rgba(255, 255, 255, 0.01);
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.product-card:hover .product-img {
  transform: scale(1.05);
}

.badge-flagship {
  position: absolute;
  top: 16px;
  right: 16px;
  background-color: var(--accent-neon);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  box-shadow: 0 0 10px var(--accent-neon-glow);
}

.product-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-name {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.product-desc-short {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  flex-grow: 1;
  line-height: 1.5;
}

.product-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.product-price {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.product-price-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-neon);
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: var(--transition-fast);
  cursor: pointer;
}

.product-price-label:hover {
  color: var(--accent-neon-hover);
  text-shadow: 0 0 8px var(--accent-neon-glow);
  text-decoration: underline;
}

/* --- Interactive Checker Section --- */
.checker-section {
  padding: 100px 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.checker-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.checker-info {
  max-width: 500px;
}

.checker-info p {
  margin-bottom: 20px;
  font-size: 15px;
}

.checker-tip {
  border-left: 2px solid var(--accent-neon);
  padding-left: 16px;
  font-style: italic;
  color: var(--text-primary) !important;
}

.checker-widget {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}

.checker-widget::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(to right, var(--accent-neon), var(--accent-orange));
}

.widget-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 30px;
}

.widget-icon {
  width: 32px;
  height: 32px;
  fill: var(--accent-neon);
  filter: drop-shadow(0 0 5px var(--accent-neon-glow));
}

.widget-header h3 {
  font-size: 16px;
  letter-spacing: 0.08em;
}

.widget-body label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Custom Dropdown Wrapper */
.select-wrapper {
  position: relative;
  margin-bottom: 30px;
}

.select-wrapper::after {
  content: '▼';
  font-size: 10px;
  color: var(--text-secondary);
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

#decoderSelect, #formInquiry {
  width: 100%;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 16px 20px;
  font-family: var(--font-body);
  font-size: 14px;
  border-radius: var(--radius-md);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition: var(--transition-fast);
}

#decoderSelect:focus, #formInquiry:focus {
  outline: none;
  border-color: var(--accent-neon);
  box-shadow: 0 0 10px var(--accent-neon-glow);
}

#decoderSelect option, #formInquiry option {
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

/* Checker Result Card */
.checker-result {
  background-color: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition-normal);
  animation: slideIn 0.3s ease;
}

.result-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 4px;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

/* Badge States */
.result-badge.compatible {
  background-color: rgba(0, 200, 100, 0.15);
  color: #00c864;
  border: 1px solid rgba(0, 200, 100, 0.3);
  box-shadow: 0 0 10px rgba(0, 200, 100, 0.1);
}

.result-badge.limited {
  background-color: rgba(255, 170, 0, 0.15);
  color: #ffaa00;
  border: 1px solid rgba(255, 170, 0, 0.3);
}

.result-badge.incompatible {
  background-color: rgba(255, 0, 85, 0.15);
  color: var(--accent-neon);
  border: 1px solid rgba(255, 0, 85, 0.3);
  box-shadow: 0 0 10px var(--accent-neon-glow);
}

.result-title {
  font-size: 16px;
  margin-bottom: 8px;
}

.result-desc {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-secondary);
}

/* --- About & Engineering Section --- */
.about-section {
  padding: 120px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  aspect-ratio: 1.5;
}

.about-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tech-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(to top, rgba(10, 10, 13, 0.95), transparent);
  padding: 30px;
  display: flex;
  gap: 24px;
}

.tech-item {
  font-family: var(--font-display);
  font-size: 12px;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tech-item strong {
  color: var(--accent-neon);
}

.tech-item::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--accent-neon);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent-neon);
}

.about-text-content {
  max-width: 500px;
}

.subtitle-label {
  font-family: var(--font-display);
  font-size: 11px;
  color: var(--accent-neon);
  font-weight: 700;
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 12px;
}

.about-text-content p {
  margin-bottom: 24px;
  font-size: 15px;
}

.about-text-content p strong {
  color: var(--text-primary);
}

.stats-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 40px;
}

.stat-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: var(--radius-md);
  text-align: center;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--text-primary);
  font-weight: 900;
  margin-bottom: 4px;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}

.stat-label {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Pre-order & Contact Section --- */
.contact-section {
  padding: 100px 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.contact-container {
  max-width: var(--container-max);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  margin-top: 56px;
}

.contact-info-col h3 {
  font-size: 20px;
  margin-bottom: 16px;
}

.contact-info-col p {
  font-size: 15px;
  margin-bottom: 40px;
  line-height: 1.6;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.detail-icon {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--accent-neon);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition-fast);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
}

.contact-detail-item:hover .detail-icon {
  border-color: var(--accent-neon);
  box-shadow: 0 0 10px var(--accent-neon-glow);
}

.detail-text {
  display: flex;
  flex-direction: column;
}

.detail-label {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.detail-value {
  font-size: 15px;
  font-weight: 500;
}

.detail-value:hover {
  color: var(--accent-neon);
}

/* pre-order form styling */
.contact-form-col {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.form-group input, .form-group textarea {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 14px;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.form-group input::placeholder, .form-group textarea::placeholder {
  color: #494d53;
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent-neon);
  box-shadow: 0 0 10px var(--accent-neon-glow);
}

.btn-submit {
  border: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  width: 100%;
  margin-top: 12px;
}

.btn-icon {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* --- Footer --- */
.footer-bg {
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 80px 0 30px 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand .logo-img {
  height: 90px;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.6;
}

.footer-links h4, .footer-shop-status h4 {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent-neon);
  padding-left: 4px;
}

.footer-shop-status p {
  font-size: 13px;
  margin-bottom: 16px;
}

.footer-shop-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent-neon);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.footer-shop-link:hover {
  text-shadow: 0 0 10px var(--accent-neon-glow);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  text-align: center;
}

.footer-bottom p {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* --- details Modal UI --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(6, 6, 8, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 640px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  position: relative;
  overflow: hidden;
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  padding: 40px;
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.modal-close-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.modal-close-btn:hover {
  color: var(--accent-neon);
}

/* Modal Content Styling */
.modal-title-area {
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
}

.modal-title-area h3 {
  font-size: 24px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.modal-title-area .product-price {
  color: var(--accent-neon);
}

.modal-detail-section {
  margin-bottom: 24px;
}

.modal-detail-section h4 {
  font-size: 13px;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: 0.08em;
}

.modal-specs-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.modal-specs-list li {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  gap: 8px;
}

.modal-specs-list li::before {
  content: '▪';
  color: var(--accent-neon);
}

.modal-compat-group {
  margin-top: 16px;
}

.modal-compat-sub {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.modal-compat-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.modal-compat-list li {
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-compat-list.ok li {
  color: var(--text-primary);
}

.modal-compat-list.no li {
  color: var(--text-secondary);
}

.compat-marker {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.modal-compat-list.ok .compat-marker {
  background-color: #00c864;
  box-shadow: 0 0 6px #00c864;
}

.modal-compat-list.no .compat-marker {
  background-color: var(--accent-neon);
  box-shadow: 0 0 6px var(--accent-neon);
}

/* --- Animations --- */
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes glowPulse {
  0% {
    text-shadow: 0 0 10px rgba(255, 0, 85, 0.4);
  }
  50% {
    text-shadow: 0 0 20px rgba(255, 0, 85, 0.8), 0 0 30px rgba(255, 0, 85, 0.4);
  }
  100% {
    text-shadow: 0 0 10px rgba(255, 0, 85, 0.4);
  }
}

.animate-glow {
  animation: glowPulse 3s infinite ease-in-out;
}

/* --- Responsive Media Queries --- */

@media (max-width: 992px) {
  .checker-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .header {
    height: 70px;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--bg-primary);
    flex-direction: column;
    padding: 50px 0;
    gap: 40px;
    transition: var(--transition-normal);
    border-top: 1px solid var(--border-color);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-btn {
    display: none;
  }
  
  .nav-btn-mobile {
    display: inline-block;
    padding: 12px 30px;
    border: 1px solid var(--accent-neon);
    color: var(--text-primary);
    background-color: var(--accent-neon);
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    border-radius: var(--radius-md);
    box-shadow: 0 0 15px var(--accent-neon-glow);
  }
  
  .menu-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .hero {
    padding: 140px 0 80px 0;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .modal-specs-list {
    grid-template-columns: 1fr;
  }
}