:root {
  --bg-primary: #0a0a0c;
  --bg-secondary: #141416;
  --bg-surface: rgba(255, 255, 255, 0.04);
  --bg-surface-hover: rgba(255, 255, 255, 0.08);
  --accent-primary: #e11d48;
  --accent-secondary: #9ca3af;
  --text-primary: #f9fafb;
  --text-secondary: #a1a1aa;
  --glow-subtle: 0 0 20px rgba(225, 29, 72, 0.15);
  --glass-border: 1px solid rgba(255, 255, 255, 0.05);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --transition: all 0.3s ease;
  
  --spacing-desktop: 100px;
  --spacing-tablet: 70px;
  --spacing-mobile: 50px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Typography Utilities */
.text-accent { color: var(--accent-primary); }
.text-secondary { color: var(--text-secondary); }
.text-center { text-align: center; }

/* Layout & Containers */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: var(--spacing-desktop) 0;
}

/* Header & Navigation */
.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: var(--glass-border);
  z-index: 100;
  padding: 20px 0;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo span {
  color: var(--accent-primary);
}

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

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--accent-primary);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--text-primary);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-align: center;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(225, 29, 72, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(225, 29, 72, 0.4);
  background-color: #f43f5e;
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--text-secondary);
}

.btn-secondary:hover {
  border-color: var(--text-primary);
  background-color: var(--bg-surface);
  transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding: var(--spacing-desktop) 0;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: linear-gradient(90deg, var(--bg-primary) 0%, rgba(10,10,12,0.8) 50%, rgba(10,10,12,0.2) 100%),
              url('images/dark-noir-alley-investigation-scene.jpg') center/cover no-repeat;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-content h1 {
  font-size: 4rem;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
}

.hero-disclaimer {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--bg-surface);
  border: var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-secondary);
  backdrop-filter: blur(4px);
}

/* Game Section - THE CORE */
.game-section {
  background-color: var(--bg-secondary);
  position: relative;
}

.game-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

.game-header {
  text-align: center;
  margin-bottom: 48px;
}

.game-header h2 {
  font-size: 2.5rem;
}

.game-container {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  background: #000;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(225, 29, 72, 0.2);
  box-shadow: var(--glow-subtle), 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 4px; /* subtle border effect */
}

.game-container::before {
  content: '';
  position: absolute;
  top: -2px; left: -2px; right: -2px; bottom: -2px;
  background: linear-gradient(45deg, transparent, var(--accent-primary), transparent);
  z-index: 0;
  opacity: 0.1;
  border-radius: calc(var(--radius-lg) + 2px);
}

.game-frame {
  width: 100%;
  height: 750px;
  border: none;
  border-radius: calc(var(--radius-lg) - 4px);
  position: relative;
  z-index: 1;
  background-color: #050505;
}

/* Features Section */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 64px;
}

.feature-card {
  background: var(--bg-surface);
  border: var(--glass-border);
  padding: 40px 32px;
  border-radius: var(--radius-md);
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.feature-card:hover {
  background: var(--bg-surface-hover);
  transform: translateY(-5px);
  border-color: rgba(225, 29, 72, 0.3);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(225, 29, 72, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  margin-bottom: 24px;
}

.feature-icon svg {
  width: 28px;
  height: 28px;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Stats Section */
.stats-section {
  background: linear-gradient(0deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-top: var(--glass-border);
  border-bottom: var(--glass-border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-item {
  text-align: center;
  padding: 32px;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
  text-shadow: 0 0 20px rgba(255,255,255,0.1);
}

.stat-label {
  color: var(--accent-secondary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, rgba(20,20,22,0.9), rgba(10,10,12,0.9)),
              url('images/detective-desk-investigation-board.jpg') center/cover;
  padding: 80px 32px;
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid rgba(255,255,255,0.05);
  margin: var(--spacing-desktop) auto;
  max-width: 1200px;
}

.cta-banner h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.cta-banner p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Footer */
.footer {
  background-color: var(--bg-primary);
  padding: 80px 0 40px;
  border-top: var(--glass-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 64px;
  margin-bottom: 64px;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 16px;
  font-size: 0.9rem;
  max-width: 300px;
}

.footer-title {
  font-size: 1.1rem;
  margin-bottom: 24px;
  color: var(--text-primary);
}

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

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  padding-top: 32px;
  border-top: var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.legal-badges {
  display: flex;
  gap: 16px;
  align-items: center;
}

.age-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 2px solid var(--text-secondary);
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.85rem;
}

/* Inner Pages General */
.page-header {
  padding: 120px 0 60px;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  text-align: center;
  border-bottom: var(--glass-border);
}

.page-header h1 {
  font-size: 3.5rem;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto;
}

.content-section {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-desktop) 32px;
}

.glass-panel {
  background: var(--bg-surface);
  border: var(--glass-border);
  padding: 48px;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}

.glass-panel h2 {
  margin-top: 32px;
  margin-bottom: 16px;
  font-size: 1.8rem;
}

.glass-panel h2:first-child {
  margin-top: 0;
}

.glass-panel p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.glass-panel ul {
  margin-bottom: 24px;
  padding-left: 20px;
  color: var(--text-secondary);
}

.glass-panel li {
  margin-bottom: 12px;
  list-style-type: disc;
}

/* Form Styles */
.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  background: rgba(0,0,0,0.2);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 16px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: rgba(0,0,0,0.4);
}

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

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.8s ease forwards;
}

/* Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-bg {
    background: linear-gradient(0deg, var(--bg-primary) 0%, rgba(10,10,12,0.8) 100%),
                url('images/dark-noir-alley-investigation-scene.jpg') center/cover no-repeat;
  }

  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .container {
    padding: 0 24px;
  }

  .section {
    padding: var(--spacing-tablet) 0;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 24px;
    border-bottom: var(--glass-border);
    text-align: center;
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero-content h1 {
    font-size: 2.8rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .game-frame {
    height: 500px;
  }
  
  .game-header h2 {
    font-size: 2rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .section {
    padding: var(--spacing-mobile) 0;
  }

  .game-frame {
    height: 400px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .page-header h1 {
    font-size: 2.5rem;
  }
}