:root {
  /* Color palette */
  --w3d4a-primary: #2C3E50;
  --w3d4a-secondary: #1B263B;
  --w3d4a-accent: #F5F5F5;
  --w3d4a-gold: #FFD700;
  --w3d4a-success: #27AE60;
  --w3d4a-warning: #F39C12;
  --w3d4a-danger: #E74C3C;

  /* Text colors */
  --w3d4a-text: #F5F5F5;
  --w3d4a-text-dark: #2C3E50;
  --w3d4a-text-muted: #95A5A6;

  /* Background colors */
  --w3d4a-bg-dark: #1B263B;
  --w3d4a-bg-light: #34495E;
  --w3d4a-bg-card: #2C3E50;

  /* Spacing */
  --w3d4a-spacing-xs: 0.5rem;
  --w3d4a-spacing-sm: 1rem;
  --w3d4a-spacing-md: 1.5rem;
  --w3d4a-spacing-lg: 2rem;
  --w3d4a-spacing-xl: 3rem;

  /* Typography */
  --w3d4a-font-size-xs: 1.2rem;
  --w3d4a-font-size-sm: 1.4rem;
  --w3d4a-font-size-base: 1.6rem;
  --w3d4a-font-size-lg: 1.8rem;
  --w3d4a-font-size-xl: 2.4rem;
  --w3d4a-font-size-2xl: 3.2rem;

  /* Transitions */
  --w3d4a-transition: all 0.3s ease;
}

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: var(--w3d4a-font-size-base);
  line-height: 1.5;
  color: var(--w3d4a-text);
  background-color: var(--w3d4a-bg-dark);
  overflow-x: hidden;
}

/* Container and layout */
.w3d4a-container {
  max-width: 430px;
  margin: 0 auto;
  padding: 0 var(--w3d4a-spacing-sm);
}

.w3d4a-wrapper {
  min-height: 100vh;
  padding-bottom: 8rem;
}

/* Header */
.w3d4a-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(135deg, var(--w3d4a-primary) 0%, var(--w3d4a-secondary) 100%);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.w3d4a-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--w3d4a-spacing-sm);
  max-width: 430px;
  margin: 0 auto;
}

.w3d4a-logo {
  display: flex;
  align-items: center;
  gap: var(--w3d4a-spacing-xs);
  font-size: var(--w3d4a-font-size-lg);
  font-weight: bold;
  color: var(--w3d4a-gold);
  text-decoration: none;
}

.w3d4a-logo img {
  width: 28px;
  height: 28px;
}

.w3d4a-header-actions {
  display: flex;
  align-items: center;
  gap: var(--w3d4a-spacing-xs);
}

.w3d4a-btn {
  padding: 0.8rem 1.6rem;
  border: none;
  border-radius: 8px;
  font-size: var(--w3d4a-font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: var(--w3d4a-transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
}

.w3d4a-btn-primary {
  background: linear-gradient(135deg, var(--w3d4a-gold) 0%, #FFA500 100%);
  color: var(--w3d4a-text-dark);
}

.w3d4a-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 215, 0, 0.4);
}

.w3d4a-btn-secondary {
  background: transparent;
  color: var(--w3d4a-text);
  border: 2px solid var(--w3d4a-gold);
}

.w3d4a-btn-secondary:hover {
  background: var(--w3d4a-gold);
  color: var(--w3d4a-text-dark);
}

.w3d4a-btn-promo {
  background: linear-gradient(135deg, var(--w3d4a-success) 0%, #229954 100%);
  color: white;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.w3d4a-btn-promo:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(39, 174, 96, 0.4);
}

/* Mobile menu toggle */
.w3d4a-menu-toggle {
  background: none;
  border: none;
  color: var(--w3d4a-text);
  font-size: 2.4rem;
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
}

/* Mobile menu */
.w3d4a-mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 300px;
  height: 100vh;
  background: var(--w3d4a-bg-dark);
  z-index: 9999;
  transition: right 0.3s ease;
  overflow-y: auto;
  box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
}

.w3d4a-mobile-menu.active {
  right: 0;
}

.w3d4a-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.w3d4a-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.w3d4a-menu-header {
  padding: var(--w3d4a-spacing-md);
  background: var(--w3d4a-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.w3d4a-menu-close {
  background: none;
  border: none;
  color: var(--w3d4a-text);
  font-size: 2.4rem;
  cursor: pointer;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.w3d4a-menu-nav {
  padding: var(--w3d4a-spacing-sm);
}

.w3d4a-menu-nav ul {
  list-style: none;
}

.w3d4a-menu-nav li {
  border-bottom: 1px solid var(--w3d4a-bg-light);
}

.w3d4a-menu-nav a {
  display: block;
  padding: var(--w3d4a-spacing-sm);
  color: var(--w3d4a-text);
  text-decoration: none;
  transition: var(--w3d4a-transition);
  font-size: var(--w3d4a-font-size-base);
}

.w3d4a-menu-nav a:hover {
  background: var(--w3d4a-bg-light);
  color: var(--w3d4a-gold);
}

/* Main content */
.w3d4a-main {
  padding-top: 7rem;
  min-height: 100vh;
}

/* Hero section */
.w3d4a-hero {
  position: relative;
  overflow: hidden;
  background: var(--w3d4a-bg-light);
}

/* Carousel */
.w3d4a-carousel {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.w3d4a-carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
  cursor: pointer;
}

.w3d4a-carousel-slide.active {
  opacity: 1;
}

.w3d4a-carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.w3d4a-carousel-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--w3d4a-spacing-lg);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
}

.w3d4a-carousel-title {
  font-size: var(--w3d4a-font-size-xl);
  font-weight: bold;
  color: var(--w3d4a-text);
  margin-bottom: var(--w3d4a-spacing-xs);
}

.w3d4a-carousel-text {
  font-size: var(--w3d4a-font-size-sm);
  color: var(--w3d4a-text-muted);
}

/* Section headers */
.w3d4a-section-header {
  text-align: center;
  margin-bottom: var(--w3d4a-spacing-lg);
}

.w3d4a-section-title {
  font-size: var(--w3d4a-font-size-2xl);
  color: var(--w3d4a-gold);
  margin-bottom: var(--w3d4a-spacing-sm);
}

.w3d4a-section-subtitle {
  font-size: var(--w3d4a-font-size-base);
  color: var(--w3d4a-text-muted);
}

/* Game grid */
.w3d4a-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--w3d4a-spacing-xs);
  margin-bottom: var(--w3d4a-spacing-lg);
}

.w3d4a-game-card {
  background: var(--w3d4a-bg-card);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--w3d4a-transition);
  cursor: pointer;
  text-decoration: none;
  color: var(--w3d4a-text);
}

.w3d4a-game-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.w3d4a-game-image {
  width: 100%;
  height: 80px;
  object-fit: cover;
}

.w3d4a-game-name {
  padding: var(--w3d4a-spacing-xs);
  font-size: var(--w3d4a-font-size-xs);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Content sections */
.w3d4a-content-section {
  background: var(--w3d4a-bg-card);
  border-radius: 12px;
  padding: var(--w3d4a-spacing-lg);
  margin-bottom: var(--w3d4a-spacing-lg);
}

.w3d4a-content-title {
  font-size: var(--w3d4a-font-size-xl);
  color: var(--w3d4a-gold);
  margin-bottom: var(--w3d4a-spacing-md);
}

.w3d4a-content-text {
  font-size: var(--w3d4a-font-size-base);
  line-height: 1.6;
  margin-bottom: var(--w3d4a-spacing-sm);
}

.w3d4a-content-text:last-child {
  margin-bottom: 0;
}

/* Accordion */
.w3d4a-accordion-item {
  border-bottom: 1px solid var(--w3d4a-bg-light);
}

.w3d4a-accordion-header {
  padding: var(--w3d4a-spacing-md);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--w3d4a-transition);
}

.w3d4a-accordion-header:hover {
  background: var(--w3d4a-bg-light);
}

.w3d4a-accordion-header.active {
  background: var(--w3d4a-bg-light);
  color: var(--w3d4a-gold);
}

.w3d4a-accordion-title {
  font-size: var(--w3d4a-font-size-base);
  font-weight: 600;
}

.w3d4a-accordion-icon {
  font-size: var(--w3d4a-font-size-lg);
  transition: var(--w3d4a-transition);
}

.w3d4a-accordion-header.active .w3d4a-accordion-icon {
  transform: rotate(180deg);
}

.w3d4a-accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 var(--w3d4a-spacing-md);
}

.w3d4a-accordion-content.active {
  padding: var(--w3d4a-spacing-md);
}

/* Footer */
.w3d4a-footer {
  background: var(--w3d4a-secondary);
  padding: var(--w3d4a-spacing-lg) var(--w3d4a-spacing-sm);
  margin-bottom: 6rem;
}

.w3d4a-footer-content {
  text-align: center;
}

.w3d4a-footer-text {
  font-size: var(--w3d4a-font-size-sm);
  color: var(--w3d4a-text-muted);
  margin-bottom: var(--w3d4a-spacing-md);
}

.w3d4a-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--w3d4a-spacing-md);
  margin-bottom: var(--w3d4a-spacing-lg);
}

.w3d4a-footer-link {
  color: var(--w3d4a-text);
  text-decoration: none;
  font-size: var(--w3d4a-font-size-sm);
  transition: var(--w3d4a-transition);
}

.w3d4a-footer-link:hover {
  color: var(--w3d4a-gold);
}

.w3d4a-partners {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--w3d4a-spacing-md);
  margin-bottom: var(--w3d4a-spacing-lg);
}

.w3d4a-partner {
  width: 60px;
  height: 30px;
  object-fit: contain;
  filter: grayscale(100%) brightness(150%);
  transition: var(--w3d4a-transition);
}

.w3d4a-partner:hover {
  filter: grayscale(0%) brightness(100%);
}

.w3d4a-copyright {
  font-size: var(--w3d4a-font-size-xs);
  color: var(--w3d4a-text-muted);
}

/* Bottom navigation */
.w3d4a-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--w3d4a-primary);
  border-top: 1px solid var(--w3d4a-bg-light);
  z-index: 1000;
  height: 6rem;
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 var(--w3d4a-spacing-sm);
}

.w3d4a-bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 60px;
  cursor: pointer;
  transition: var(--w3d4a-transition);
  text-decoration: none;
  color: var(--w3d4a-text-muted);
  border: none;
  background: none;
}

.w3d4a-bottom-nav-item:hover,
.w3d4a-bottom-nav-item.active {
  color: var(--w3d4a-gold);
  transform: translateY(-2px);
}

.w3d4a-bottom-nav-icon {
  font-size: 2.4rem;
  margin-bottom: 0.2rem;
}

.w3d4a-bottom-nav-text {
  font-size: var(--w3d4a-font-size-xs);
  font-weight: 500;
}

/* Utility classes */
.w3d4a-text-center {
  text-align: center;
}

.w3d4a-text-gold {
  color: var(--w3d4a-gold);
}

.w3d4a-mb-sm {
  margin-bottom: var(--w3d4a-spacing-sm);
}

.w3d4a-mb-md {
  margin-bottom: var(--w3d4a-spacing-md);
}

.w3d4a-mb-lg {
  margin-bottom: var(--w3d4a-spacing-lg);
}

/* Responsive design */
@media (min-width: 769px) {
  .w3d4a-container {
    max-width: 1200px;
  }

  .w3d4a-bottom-nav {
    display: none;
  }

  .w3d4a-wrapper {
    padding-bottom: 0;
  }

  .w3d4a-footer {
    margin-bottom: 0;
  }
}

@media (max-width: 768px) {
  .w3d4a-main {
    padding-bottom: 8rem;
  }
}

/* Animations */
@keyframes w3d4a-fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.w3d4a-fade-in {
  animation: w3d4a-fadeIn 0.5s ease forwards;
}

/* Loading state */
.w3d4a-loading {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  border: 2px solid var(--w3d4a-gold);
  border-radius: 50%;
  border-top-color: transparent;
  animation: w3d4a-spin 1s linear infinite;
}

@keyframes w3d4a-spin {
  to {
    transform: rotate(360deg);
  }
}