:root {
  /* Color Palette */
  --primary: #121212;
  --secondary: #1F2933;
  --accent: #F4A259;
  --warning: #F25C54;
  --alert: #4CAF50;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.5;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  
  /* Layout */
  --container-max-width: 1200px;
  --header-height: 60px;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: #ffffff;
  background-color: var(--primary);
}

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
.header {
  height: var(--header-height);
  background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header__container {
  height: 100%;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header__logo {
  display: flex;
  align-items: center;
  height: 40px;
}

.header__logo img {
  height: 100%;
  width: auto;
}

.header__updated {
  display: flex;
  align-items: center;
  height: 100%;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: var(--font-weight-medium);
}

/* Age Verification Banner */
.age-verification-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.9);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.age-verification-banner {
  background: var(--accent);
  color: var(--primary);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  max-width: 500px;
  text-align: center;
  margin: var(--spacing-md);
}

.age-verification-banner__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--spacing-md);
}

.age-verification-banner__title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
}

.age-verification-banner__text {
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.age-verification-banner__buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
}

.age-verification-banner__button {
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--border-radius-md);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  font-size: 1rem;
  min-width: 120px;
}

.age-verification-banner__button--confirm {
  background: var(--alert);
  color: white;
}

.age-verification-banner__button--deny {
  background: var(--warning);
  color: white;
}

/* Hero Section - Compressed for better listings visibility */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
  color: white;
  padding: var(--spacing-xl) 0;
  min-height: 300px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('/public/images/hero.png') center/cover;
  opacity: 0.2;
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero__title {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.hero__title--accent {
  color: var(--accent);
}

.hero__subtitle {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 800px;
  margin: 0 auto;
  font-weight: var(--font-weight-medium);
}

/* Platforms Section */
.platforms {
  padding: var(--spacing-2xl) 0;
  background: var(--primary);
}

.platforms__title {
  text-align: center;
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-2xl);
  color: white;
}

.platforms__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.platform-card {
  background: var(--secondary);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.platform-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--alert) 100%);
}

.platform-card__logo {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--spacing-lg);
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.platform-card__logo img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
}

.platform-card__title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  color: white;
}

.platform-card__excerpt {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-lg);
  font-size: 0.9rem;
}

.platform-card__features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.platform-card__feature {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.875rem;
}

.platform-card__feature i {
  color: var(--accent);
  margin-right: var(--spacing-sm);
  width: 16px;
}

.platform-card__buttons {
  display: flex;
  gap: var(--spacing-sm);
}

.platform-card__button {
  flex: 1;
  padding: var(--spacing-md);
  border: none;
  border-radius: var(--border-radius-md);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  display: inline-block;
  text-align: center;
  font-size: 0.875rem;
  white-space: nowrap;
}

.platform-card__button--primary {
  background: var(--accent);
  color: var(--primary);
}

.platform-card__button--secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

/* Features Section */
.features {
  padding: var(--spacing-2xl) 0;
  background: var(--secondary);
}

.features__title {
  text-align: center;
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-2xl);
  color: white;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.feature-card {
  background: var(--primary);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  color: var(--primary);
  font-size: 1.25rem;
}

.feature-card__title {
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
  color: white;
}

.feature-card__description {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

/* Choosing Platform Section */
.choosing-platform {
  padding: var(--spacing-2xl) 0;
  background: var(--primary);
}

.choosing-platform__title {
  text-align: center;
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-2xl);
  color: white;
}

.choosing-platform__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-xl);
}

.criteria-card {
  background: var(--secondary);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.criteria-card__icon {
  width: 40px;
  height: 40px;
  background: var(--accent);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--primary);
  font-size: 1.125rem;
}

.criteria-card__title {
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
  color: white;
}

.criteria-card__description {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

/* Essential Factors Section */
.essential-factors {
  padding: var(--spacing-2xl) 0;
  background: var(--secondary);
}

.essential-factors__title {
  text-align: center;
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-2xl);
  color: white;
}

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

.accordion__item {
  background: var(--primary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.accordion__header {
  padding: var(--spacing-lg);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--primary);
  border: none;
  width: 100%;
  text-align: left;
  color: white;
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold);
}

.accordion__icon {
  color: var(--accent);
  transition: transform 0.3s ease;
}

.accordion__item--active .accordion__icon {
  transform: rotate(180deg);
}

.accordion__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion__item--active .accordion__content {
  max-height: 200px;
}

.accordion__text {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

/* Footer */
.footer {
  background: var(--primary);
  padding: var(--spacing-2xl) 0 var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.footer__section h3 {
  color: white;
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
}

.footer__links {
  list-style: none;
}

.footer__link {
  margin-bottom: var(--spacing-sm);
}

.footer__link a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer__link a:hover {
  color: var(--accent);
}

.footer__disclaimer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
}

.footer__disclaimer-text {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.footer__certifications {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.footer__certification {
  height: 40px;
  opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero__title {
    font-size: 2rem;
  }
  
  .hero__subtitle {
    font-size: 1rem;
  }
  
  .platforms__grid {
    grid-template-columns: 1fr;
  }
  
  .choosing-platform__grid {
    grid-template-columns: 1fr;
  }
  
  .features__grid {
    grid-template-columns: 1fr;
  }
  
  .platform-card__buttons {
    flex-direction: column;
  }
  
  .age-verification-banner__buttons {
    flex-direction: column;
  }
  
  .footer__certifications {
    gap: var(--spacing-md);
  }
  
  .footer__certification {
    height: 32px;
  }
  
  /* Platform review pages responsive */
  div[style*="grid-template-columns: 1fr 300px"] {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }
  
  div[style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
  
  /* Contact page responsive */
  .contact-grid {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero {
    padding: var(--spacing-lg) 0;
    min-height: 250px;
  }
  
  .hero__title {
    font-size: 1.75rem;
  }
  
  .platforms,
  .features,
  .choosing-platform,
  .essential-factors {
    padding: var(--spacing-xl) 0;
  }
  
  .header__updated {
    font-size: 0.75rem;
  }
}