/* ============================================
   International iGaming Platform - Casino Style
   Deep Purple/Blue Gradient | Neon Accents | Game Lobby Feel
   ============================================ */

:root {
  /* Casino Color Palette - Deep Purple/Blue with Neon */
  --casino-primary: #6b2c91;
  --casino-primary-dark: #4a1a6b;
  --casino-secondary: #1a0d2e;
  --casino-accent-gold: #ffd700;
  --casino-accent-neon-yellow: #ffff00;
  --casino-accent-neon-green: #00ff41;
  --casino-accent-red: #ff1744;
  --casino-bg-dark: #0d0520;
  --casino-bg-darker: #050011;
  --casino-bg-card: #1a0d2e;
  --casino-bg-hover: #2d1a47;
  --casino-gradient-1: linear-gradient(135deg, #1a0d2e 0%, #4a1a6b 50%, #6b2c91 100%);
  --casino-gradient-2: linear-gradient(135deg, #0d0520 0%, #1a0d2e 50%, #2d1a47 100%);
  --casino-gradient-gold: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
  --casino-gradient-neon: linear-gradient(135deg, #00ff41 0%, #ffff00 100%);
  
  --text-primary: #ffffff;
  --text-secondary: #d4c4e8;
  --text-muted: #9b7fb8;
  --border-color: #3d2a5c;
  --border-glow: rgba(255, 215, 0, 0.5);
  
  /* Typography - 全部使用主题内资源，无外部字体链接 */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-heading: 'Arial Black', Arial, sans-serif;
  --font-casino: Impact, 'Arial Black', Arial, sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-xxl: 24px;
  
  /* Shadows & Glows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.7);
  --shadow-glow-gold: 0 0 30px rgba(255, 215, 0, 0.6);
  --shadow-glow-neon: 0 0 30px rgba(0, 255, 65, 0.5);
  --shadow-glow-purple: 0 0 40px rgba(107, 44, 145, 0.8);
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

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

body {
  font-family: var(--font-primary);
  background: var(--casino-gradient-2);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(107, 44, 145, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(26, 13, 46, 0.4) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ============================================
   Typography - Casino Style
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

h1 {
  font-size: 3.5rem;
  background: var(--casino-gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
}

h2 {
  font-size: 2.5rem;
  color: var(--casino-accent-gold);
}

h3 {
  font-size: 1.75rem;
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

/* ============================================
   Header & Navigation - Casino Lobby Style
   ============================================ */

.header {
  background: rgba(13, 5, 32, 0.95);
  backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 2px solid var(--casino-accent-gold);
  box-shadow: var(--shadow-glow-gold);
  padding: var(--spacing-sm) 0;
}

.header-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 1;
}

.logo {
  font-size: 2rem;
  font-weight: 900;
  font-family: var(--font-casino);
  background: var(--casino-gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.nav-menu {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  flex-wrap: wrap;
}

/* WordPress nav menu: ul 使用 nav-menu-list，与静态结构一致 */
.nav-menu-list {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-menu-list li {
  margin: 0;
}
.nav-menu .nav-menu-list a {
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  position: relative;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}
.nav-menu .nav-menu-list a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--casino-accent-gold);
  transition: width 0.3s ease;
}
.nav-menu .nav-menu-list a:hover::before {
  width: 80%;
}
.nav-menu .nav-menu-list a:hover {
  color: var(--casino-accent-gold);
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

/* 导航菜单选中状态 */
.nav-menu .nav-menu-list .current-menu-item > a,
.nav-menu .nav-menu-list .current_page_item > a,
.nav-menu .nav-menu-list .current-menu-ancestor > a {
  background-color: #8B00FF;
  color: white;
  border-radius: var(--radius-md);
  padding: 10px 15px;
  text-shadow: none;
}

.nav-menu .nav-menu-list .current-menu-item > a::before,
.nav-menu .nav-menu-list .current_page_item > a::before,
.nav-menu .nav-menu-list .current-menu-ancestor > a::before {
  display: none;
}

/* 子菜单选中状态 */
.nav-menu .nav-menu-list .current-menu-item .sub-menu .current-menu-item > a,
.nav-menu .nav-menu-list .current_page_item .sub-menu .current_page_item > a {
  background-color: rgba(139, 0, 255, 0.7);
  color: white;
}

.nav-menu a {
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  position: relative;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

.nav-menu a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--casino-accent-gold);
  transition: width 0.3s ease;
}

.nav-menu a:hover::before {
  width: 80%;
}

.nav-menu a:hover {
  color: var(--casino-accent-gold);
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

/* 导航菜单选中状态（fallback 菜单和直接链接） */
.nav-menu a.current,
.nav-menu-list a.current {
  background-color: #8B00FF;
  color: white;
  border-radius: var(--radius-md);
  padding: 10px 15px;
  text-shadow: none;
}

.nav-menu a.current::before,
.nav-menu-list a.current::before {
  display: none;
}

/* 确保 li 元素内的链接也能正确显示选中状态 */
.nav-menu-list li.current-menu-item a,
.nav-menu-list li.current_page_item a,
.nav-menu-list li.current-menu-ancestor a {
  background-color: #8B00FF;
  color: white;
  border-radius: var(--radius-md);
  padding: 10px 15px;
  text-shadow: none;
}

.nav-menu-list li.current-menu-item a::before,
.nav-menu-list li.current_page_item a::before,
.nav-menu-list li.current-menu-ancestor a::before {
  display: none;
}

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

.btn {
  padding: var(--spacing-sm) var(--spacing-xl);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  display: inline-block;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--casino-gradient-gold);
  color: var(--casino-bg-dark);
  box-shadow: var(--shadow-glow-gold);
  border: 2px solid var(--casino-accent-gold);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 0 40px rgba(255, 215, 0, 0.8);
}

.btn-secondary {
  background: rgba(107, 44, 145, 0.3);
  color: var(--text-primary);
  border: 2px solid var(--casino-primary);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(107, 44, 145, 0.5);
  border-color: var(--casino-accent-gold);
  box-shadow: var(--shadow-glow-purple);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--casino-accent-gold);
  color: var(--casino-accent-gold);
}

.btn-outline:hover {
  background: var(--casino-accent-gold);
  color: var(--casino-bg-dark);
  box-shadow: var(--shadow-glow-gold);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 30px;
  height: 3px;
  background: var(--casino-accent-gold);
  border-radius: 2px;
  transition: all 0.3s ease;
  box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

/* ============================================
   Hero Section - Full Screen Casino Banner
   ============================================ */

.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: var(--spacing-xxl);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(13, 5, 32, 0.85) 0%, rgba(26, 13, 46, 0.75) 50%, rgba(107, 44, 145, 0.6) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 1000px;
  padding: var(--spacing-xxl) var(--spacing-md);
}

.hero h1 {
  font-size: 4.5rem;
  margin-bottom: var(--spacing-lg);
  animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
  from {
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.5), 0 0 30px rgba(255, 215, 0, 0.3);
  }
  to {
    text-shadow: 0 0 30px rgba(255, 215, 0, 0.8), 0 0 40px rgba(255, 215, 0, 0.5);
  }
}

.hero p {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   Game Cards - Casino Lobby Style
   ============================================ */

/* 游戏展示区：智能布局，避免右侧/底部大片留白，不修改图片 */
.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  justify-items: stretch;
}

/* 6 项或 3 项：3 列，限制单卡最大宽度，避免图片被拉大模糊 */
.game-grid--cols-3 {
  grid-template-columns: repeat(3, minmax(180px, 280px));
  justify-content: center;
}

/* 4 项：2 列，限制单卡最大宽度 */
.game-grid--cols-2 {
  grid-template-columns: repeat(2, minmax(200px, 300px));
  justify-content: center;
}

.game-card {
  background: var(--casino-gradient-1);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all 0.4s ease;
  border: 2px solid var(--border-color);
  position: relative;
  box-shadow: var(--shadow-md);
}

.game-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
}

.game-card:hover::before {
  opacity: 1;
}

.game-card:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: var(--shadow-glow-gold);
  border-color: var(--casino-accent-gold);
}

.game-card-image {
  width: 100%;
  aspect-ratio: 3/4;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

.game-card-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent 0%, rgba(13, 5, 32, 0.7) 100%);
}

.game-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 2;
}

.game-card:hover .game-card-overlay {
  opacity: 1;
}

.game-card-info {
  padding: var(--spacing-md);
  position: relative;
  z-index: 1;
}

.game-card-title {
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  font-size: 1.1rem;
  color: var(--casino-accent-gold);
}

.game-card-provider {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
}

.game-card-cta {
  width: 100%;
  padding: var(--spacing-sm);
  background: var(--casino-gradient-gold);
  color: var(--casino-bg-dark);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  transition: all 0.3s ease;
}

.game-card-cta:hover {
  box-shadow: var(--shadow-glow-gold);
  transform: scale(1.05);
}

/* ============================================
   Section Styles - Casino Lobby
   ============================================ */

.section {
  padding: var(--spacing-xxl) var(--spacing-md);
  position: relative;
  z-index: 1;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-title h2 {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.section-title p {
  font-size: 1.2rem;
  color: var(--text-muted);
}

.container {
  max-width: 1600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ============================================
   Feature Cards - Casino Style
   ============================================ */

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

.feature-card {
  background: var(--casino-gradient-1);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  border: 2px solid var(--border-color);
  text-align: center;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--casino-accent-gold);
  box-shadow: var(--shadow-glow-gold);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  background: var(--casino-gradient-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  box-shadow: var(--shadow-glow-gold);
  position: relative;
  z-index: 1;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--casino-accent-gold);
  position: relative;
  z-index: 1;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 1rem;
  position: relative;
  z-index: 1;
}

/* ============================================
   Promotion Cards - Casino Bonus Style
   ============================================ */

.promotion-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.promotion-card {
  background: var(--casino-gradient-1);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 2px solid var(--border-color);
  transition: all 0.4s ease;
  position: relative;
}

.promotion-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.15) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
}

.promotion-card:hover::before {
  opacity: 1;
}

.promotion-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow-gold);
  border-color: var(--casino-accent-gold);
}

.promotion-image {
  width: 100%;
  height: 250px;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

.promotion-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(107, 44, 145, 0.3) 0%, rgba(13, 5, 32, 0.7) 100%);
}

.promotion-content {
  padding: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.promotion-badge {
  display: inline-block;
  background: var(--casino-gradient-gold);
  color: var(--casino-bg-dark);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: 0.85rem;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: var(--shadow-glow-gold);
}

.promotion-title {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-sm);
  color: var(--casino-accent-gold);
}

.promotion-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.promotion-validity {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
}

/* ============================================
   Forms - Casino Style
   ============================================ */

.form-container {
  max-width: 600px;
  margin: var(--spacing-xl) auto;
  background: var(--casino-gradient-1);
  padding: var(--spacing-xxl);
  border-radius: var(--radius-xxl);
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--casino-accent-gold);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}

.form-input {
  width: 100%;
  padding: var(--spacing-md);
  background: rgba(13, 5, 32, 0.6);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.form-input:focus {
  outline: none;
  border-color: var(--casino-accent-gold);
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
  background: rgba(13, 5, 32, 0.8);
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.form-checkbox input {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--casino-accent-gold);
}

/* ============================================
   Footer - Casino Style
   ============================================ */

.footer {
  background: var(--casino-gradient-2);
  border-top: 2px solid var(--casino-accent-gold);
  padding: var(--spacing-xxl) var(--spacing-md) var(--spacing-lg);
  margin-top: var(--spacing-xxl);
  position: relative;
  z-index: 1;
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.5);
}

.footer-container {
  max-width: 1600px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-column h4 {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
  color: var(--casino-accent-gold);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-column a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: all 0.3s ease;
  padding: var(--spacing-xs) 0;
}

.footer-column a:hover {
  color: var(--casino-accent-gold);
  padding-left: var(--spacing-sm);
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.footer-bottom {
  border-top: 2px solid var(--border-color);
  padding-top: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-compliance {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.payment-methods {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}

.payment-method {
  width: 60px;
  height: 40px;
  background: rgba(26, 13, 46, 0.6);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  padding: 4px;
}

.payment-method img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  border-radius: var(--radius-sm);
}

.payment-method:hover {
  border-color: var(--casino-accent-gold);
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
  transform: translateY(-2px);
}

/* ============================================
   Jackpot / Prize Display - Casino Style
   ============================================ */

.jackpot-display {
  background: var(--casino-gradient-1);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  border: 3px solid var(--casino-accent-gold);
  text-align: center;
  box-shadow: var(--shadow-glow-gold);
  position: relative;
  overflow: hidden;
}

.jackpot-display::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255, 215, 0, 0.1), transparent);
  animation: shine 3s infinite;
}

@keyframes shine {
  0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
  100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.jackpot-amount {
  font-size: 4rem;
  font-weight: 900;
  color: var(--casino-accent-gold);
  text-shadow: 0 0 30px rgba(255, 215, 0, 0.8);
  margin: var(--spacing-md) 0;
  font-family: var(--font-casino);
  position: relative;
  z-index: 1;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
  :root {
    font-size: 14px;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--casino-gradient-2);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-lg);
    transition: left 0.3s ease;
    z-index: 999;
    border-top: 2px solid var(--casino-accent-gold);
  }
  .nav-menu .nav-menu-list {
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-menu.active {
    left: 0;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .game-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-sm);
  }

  .game-grid--cols-2,
  .game-grid--cols-3 {
    grid-template-columns: 1fr;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
  }
  
  .promotion-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .jackpot-amount {
    font-size: 2.5rem;
  }
}

@media (max-width: 480px) {
  .header-container {
    padding: 0 var(--spacing-sm);
  }
  
  .section {
    padding: var(--spacing-lg) var(--spacing-sm);
  }
  
  .hero {
    min-height: 70vh;
  }
  
  .form-container {
    padding: var(--spacing-lg);
  }
}

/* ============================================
   Utility Classes
   ============================================ */

.text-center {
  text-align: center;
}

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

.text-neon {
  color: var(--casino-accent-neon-green);
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.hidden {
  display: none;
}

/* ============================================
   Animation Classes
   ============================================ */

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.float {
  animation: float 3s ease-in-out infinite;
}