/* ============================================
   CSS Reset & Base Variables
   GG扑克 - 深红深色主题 (接近原站风格)
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Color Palette - GGpoker Style | Black-Red-Gold Casino Theme */
  --color-primary: #990000;
  --color-primary-dark: #3d0000;
  --color-primary-light: #cc0000;
  --color-secondary: #ff0000;
  --color-accent: #ffd100;
  --color-accent-dark: #cc9900;
  --color-gold-glow: rgba(255, 209, 0, 0.3);
  --color-red-glow: rgba(255, 0, 0, 0.3);
  --color-dark: #050505;
  --color-dark-light: #121212;
  --color-gray: #666666;
  --color-gray-light: #2a2a2a;
  --color-gray-lighter: #e5e5e5;
  --color-white: #ffffff;
  --color-bg: #080808;
  --color-bg-card: #111111;
  --color-text: #f5f5f5;
  --color-text-muted: #aaaaaa;

  /* Typography - Slightly Larger for Better Readability */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.875rem;
  --font-size-sm: 1rem;
  --font-size-base: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.375rem;
  --font-size-2xl: 1.75rem;
  --font-size-3xl: 2.25rem;
  --font-size-4xl: 2.75rem;
  --font-size-5xl: 3.75rem;

  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-24: 6rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.5);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.6), 0 8px 10px -6px rgb(0 0 0 / 0.6);
  --shadow-glow-gold: 0 0 30px var(--color-gold-glow);
  --shadow-glow-red: 0 0 30px var(--color-red-glow);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Base Styles
   ============================================ */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image:
    radial-gradient(circle at 100% 0%, rgba(139, 0, 0, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 0% 100%, rgba(220, 20, 60, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
}

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

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

a:hover {
  color: var(--color-white);
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

/* ============================================
   Animated Background Gradient
   ============================================ */
@keyframes gradientFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 20px rgba(255, 215, 0, 0.3); }
  50% { box-shadow: 0 0 35px rgba(255, 215, 0, 0.6); }
}

@keyframes pulseGlowGold {
  0%, 100% { box-shadow: 0 0 20px var(--color-gold-glow); }
  50% { box-shadow: 0 0 40px var(--color-gold-glow); }
}

@keyframes pulseGlowRed {
  0%, 100% { box-shadow: 0 0 20px var(--color-red-glow); }
  50% { box-shadow: 0 0 40px var(--color-red-glow); }
}

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

@keyframes fadeInScale {
  0% {
    opacity: 0;
    transform: scale(0.95) translateY(20px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
  background-color: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 100;
  transition: all var(--transition-base);
  border-bottom: 1px solid rgba(139, 0, 0, 0.3);
}

.header.scrolled {
  box-shadow: var(--shadow-lg);
  background-color: rgba(10, 10, 10, 0.98);
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--spacing-4) var(--spacing-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  animation: fadeInScale 0.8s ease-out forwards;
}

.logo-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-badge {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  color: var(--color-white);
  font-size: var(--font-size-xs);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
}

.nav-item {
  position: relative;
  opacity: 0;
  animation: fadeInScale 0.8s ease-out forwards;
}

.nav-item:nth-child(1) { animation-delay: 0.1s; }
.nav-item:nth-child(2) { animation-delay: 0.2s; }
.nav-item:nth-child(3) { animation-delay: 0.3s; }
.nav-item:nth-child(4) { animation-delay: 0.4s; }
.nav-item:nth-child(5) { animation-delay: 0.5s; }

.nav-link {
  color: var(--color-text-muted);
  font-weight: 500;
  padding: var(--spacing-2) 0;
  transition: color var(--transition-fast), text-shadow var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent);
  text-shadow: 0 0 10px var(--color-gold-glow);
}

.has-dropdown .nav-link::after {
  content: ' ▾';
  font-size: 0.8em;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-bg-card);
  min-width: 220px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-gray-light);
  padding: var(--spacing-2) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: var(--spacing-2) var(--spacing-4);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--color-gray-light);
  color: var(--color-accent);
  padding-left: var(--spacing-6);
}

.download-btn {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md), var(--shadow-glow-red);
  animation: pulseGlowRed 3s infinite;
}

.download-btn:hover {
  color: var(--color-white);
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(255, 0, 0, 0.6);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-2);
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

.nav-mobile {
  display: none;
}

/* ============================================
   Main Content & Page Transitions
   ============================================ */
.main-content {
  min-height: calc(100vh - 160px);
  padding-top: 70px;
  opacity: 0;
}

.main-content.visible {
  animation: fadeInScale 0.6s ease-out forwards;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

/* ============================================
   Hero Section with Animated Background
   ============================================ */
.hero {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary), var(--color-primary-dark));
  background-size: 200% 200%;
  animation: gradientFlow 45s ease infinite;
  color: var(--color-white);
  padding: var(--spacing-16) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 209, 0, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  animation: floatUpDown 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 0, 0, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  animation: floatUpDown 10s ease-in-out infinite reverse;
}

.hero-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
  position: relative;
  z-index: 1;
  animation: fadeInScale 1s ease-out forwards;
}

.hero-badge {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  padding: var(--spacing-1) var(--spacing-4);
  border-radius: var(--radius-xl);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-4);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  animation: fadeInScale 1s ease-out 0.2s both;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-4);
  animation: fadeInScale 1s ease-out 0.3s both;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  line-height: 1.6;
  opacity: 0.95;
  margin-bottom: var(--spacing-8);
  max-width: 600px;
  animation: fadeInScale 1s ease-out 0.4s both;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-4);
  flex-wrap: wrap;
  animation: fadeInScale 1s ease-out 0.5s both;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), #ffb300);
  color: var(--color-dark);
  padding: var(--spacing-4) var(--spacing-8);
  border-radius: var(--radius-md);
  font-size: var(--font-size-lg);
  font-weight: 700;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-lg), var(--shadow-glow-gold);
}

.btn-primary:hover {
  color: var(--color-dark);
  transform: translateY(-3px) scale(1.03);
  box-shadow: var(--shadow-xl), 0 0 50px rgba(255, 209, 0, 0.6);
  animation: pulseGlowGold 2s infinite;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.5);
  padding: var(--spacing-4) var(--spacing-8);
  border-radius: var(--radius-md);
  font-size: var(--font-size-lg);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  color: var(--color-white);
  border-color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
}

/* ============================================
   Section Styles
   ============================================ */
.section {
  padding: var(--spacing-8) 0;
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-2);
  color: var(--color-text);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  margin: var(--spacing-4) auto 0;
  border-radius: 2px;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-12);
}

/* ============================================
   Card Grid with Stagger Animation
   ============================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-8);
}

.card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid var(--color-gray-light);
  opacity: 0;
  animation: fadeInScale 0.6s ease-out forwards;
}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }
.card:nth-child(5) { animation-delay: 0.5s; }
.card:nth-child(6) { animation-delay: 0.6s; }

.card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl), var(--shadow-glow-gold);
  border-color: var(--color-accent);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-6);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}

.card:hover .card-icon {
  transform: scale(1.1) rotate(5deg);
}

.card-icon svg {
  width: 30px;
  height: 30px;
  fill: var(--color-white);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-3);
  color: var(--color-text);
}

.card-text {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--spacing-4);
}

/* ============================================
   Features Grid
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-6);
}

.feature-item {
  display: flex;
  gap: var(--spacing-4);
  background: var(--color-bg-card);
  padding: var(--spacing-6);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-light);
  opacity: 0;
  animation: fadeInScale 0.6s ease-out forwards;
}

.feature-item:nth-child(1) { animation-delay: 0.1s; }
.feature-item:nth-child(2) { animation-delay: 0.2s; }
.feature-item:nth-child(3) { animation-delay: 0.3s; }
.feature-item:nth-child(4) { animation-delay: 0.4s; }
.feature-item:nth-child(5) { animation-delay: 0.5s; }
.feature-item:nth-child(6) { animation-delay: 0.6s; }

.feature-item:hover {
  transform: translateX(8px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.feature-item:hover .feature-icon {
  transform: scale(1.1) rotate(-5deg);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--color-white);
}

.feature-content h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-2);
  color: var(--color-text);
}

.feature-content p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* ============================================
   Ambassador/Team Section
   ============================================ */
.ambassadors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-8);
}

.ambassador-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid var(--color-gray-light);
  opacity: 0;
  animation: fadeInScale 0.6s ease-out forwards;
}

.ambassador-card:nth-child(1) { animation-delay: 0.1s; }
.ambassador-card:nth-child(2) { animation-delay: 0.2s; }
.ambassador-card:nth-child(3) { animation-delay: 0.3s; }
.ambassador-card:nth-child(4) { animation-delay: 0.4s; }

.ambassador-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.ambassador-avatar {
  width: 100%;
  height: 280px;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.ambassador-avatar::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transform: rotate(45deg);
  animation: shimmer 3s infinite;
}

.ambassador-avatar-placeholder {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-2xl);
  font-weight: 600;
  text-align: center;
  z-index: 1;
}

.ambassador-info {
  padding: var(--spacing-6);
}

.ambassador-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-2);
  color: var(--color-text);
}

.ambassador-title {
  color: var(--color-accent);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-4);
}

.ambassador-bio {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

/* ============================================
   News/Articles Section
   ============================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-8);
}

.news-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 1px solid var(--color-gray-light);
  opacity: 0;
  animation: fadeInScale 0.6s ease-out forwards;
}

.news-card:nth-child(1) { animation-delay: 0.1s; }
.news-card:nth-child(2) { animation-delay: 0.2s; }
.news-card:nth-child(3) { animation-delay: 0.3s; }
.news-card:nth-child(4) { animation-delay: 0.4s; }
.news-card:nth-child(5) { animation-delay: 0.5s; }

.news-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.news-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.news-image::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transform: rotate(45deg);
  animation: shimmer 4s infinite;
}

.news-content {
  padding: var(--spacing-6);
}

.news-meta {
  display: flex;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-3);
}

.news-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.news-category {
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
}

.news-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-3);
  color: var(--color-text);
  line-height: 1.4;
}

.news-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--spacing-4);
}

.read-more {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
}

.read-more::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.news-card:hover .read-more::after {
  transform: translateX(4px);
}

/* ============================================
   Tournament Listing
   ============================================ */
.tournament-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.tournament-item {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-primary);
  transition: all var(--transition-fast);
  border: 1px solid var(--color-gray-light);
  border-left-width: 4px;
  opacity: 0;
  animation: fadeInScale 0.5s ease-out forwards;
}

.tournament-item:nth-child(1) { animation-delay: 0.1s; }
.tournament-item:nth-child(2) { animation-delay: 0.2s; }
.tournament-item:nth-child(3) { animation-delay: 0.3s; }
.tournament-item:nth-child(4) { animation-delay: 0.4s; }
.tournament-item:nth-child(5) { animation-delay: 0.5s; }
.tournament-item:nth-child(6) { animation-delay: 0.6s; }

.tournament-item:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.tournament-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-3);
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.tournament-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
}

.tournament-badge {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  color: var(--color-white);
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.tournament-info {
  display: flex;
  gap: var(--spacing-8);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-4);
}

.tournament-info-item {
  display: flex;
  flex-direction: column;
}

.tournament-info-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.tournament-info-value {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-accent);
}

.tournament-desc {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* ============================================
   Download Section
   ============================================ */
.download-section {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary), var(--color-primary-dark));
  background-size: 200% 200%;
  animation: gradientFlow 15s ease infinite;
  color: var(--color-white);
  padding: var(--spacing-16) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.download-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(255, 209, 0, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 0, 0, 0.15) 0%, transparent 50%);
}

.download-section .container {
  position: relative;
  z-index: 1;
}

.download-section .section-title {
  color: var(--color-white);
}

.download-section .section-subtitle {
  color: rgba(255, 255, 255, 0.9);
}

.download-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-8);
  max-width: 900px;
  margin: 0 auto;
}

.download-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all var(--transition-base);
  opacity: 0;
  animation: fadeInScale 0.8s ease-out forwards;
}

.download-card:nth-child(1) { animation-delay: 0.1s; }
.download-card:nth-child(2) { animation-delay: 0.2s; }
.download-card:nth-child(3) { animation-delay: 0.3s; }

.download-card:hover {
  transform: translateY(-8px) scale(1.03);
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 209, 0, 0.6);
  box-shadow: var(--shadow-glow-gold);
}

.download-platform {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-4);
  color: var(--color-white);
}

.download-desc {
  font-size: var(--font-size-sm);
  opacity: 0.9;
  margin-bottom: var(--spacing-6);
  line-height: 1.6;
}

.btn-download {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-accent), #ffb300);
  color: var(--color-dark);
  padding: var(--spacing-3) var(--spacing-8);
  border-radius: var(--radius-md);
  font-weight: 700;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-glow-gold);
}

.btn-download:hover {
  color: var(--color-dark);
  transform: scale(1.05);
  box-shadow: 0 0 40px rgba(255, 209, 0, 0.7);
}

/* ============================================
   Article Detail
   ============================================ */
.article-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-12) var(--spacing-6);
  animation: fadeInScale 0.6s ease-out forwards;
}

.article-header {
  margin-bottom: var(--spacing-8);
}

.article-meta {
  display: flex;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-4);
  flex-wrap: wrap;
}

.article-category {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
  padding: 4px 12px;
  border-radius: var(--radius-xl);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.article-date {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  align-self: center;
}

.article-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--spacing-4);
  color: var(--color-text);
}

.article-content {
  background: var(--color-bg-card);
  padding: var(--spacing-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-light);
}

.article-content p {
  margin-bottom: var(--spacing-6);
  color: var(--color-text);
  line-height: 1.8;
}

.article-content h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin: var(--spacing-8) 0 var(--spacing-4);
  color: var(--color-accent);
}

.article-content ul {
  margin-bottom: var(--spacing-6);
  padding-left: var(--spacing-6);
}

.article-content li {
  margin-bottom: var(--spacing-2);
  line-height: 1.7;
  color: var(--color-text);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background-color: var(--color-dark);
  color: var(--color-text-muted);
  padding: var(--spacing-6) 0;
  border-top: 1px solid var(--color-gray-light);
}

.footer-disclaimer {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-6) 0;
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================
   Responsive Design - Mobile
   ============================================ */
@media (max-width: 968px) {
  .nav-desktop {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .nav-mobile {
    display: block;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
    background-color: var(--color-bg-card);
  }

  .nav-mobile.open {
    max-height: 800px;
  }

  .nav-mobile-item {
    border-top: 1px solid var(--color-gray-light);
  }

  .nav-mobile-link {
    display: block;
    padding: var(--spacing-4) var(--spacing-6);
    color: var(--color-text);
    font-weight: 500;
  }

  .nav-mobile-link.active {
    color: var(--color-accent);
    background-color: rgba(139, 0, 0, 0.2);
  }

  .dropdown-mobile {
    background-color: var(--color-bg);
    padding-left: var(--spacing-6);
  }

  .dropdown-mobile-item a {
    display: block;
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
  }

  .dropdown-mobile-item a:hover {
    color: var(--color-accent);
  }

  .hero {
    padding: var(--spacing-8) 0 var(--spacing-12);
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-base);
  }

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

  .btn-primary,
  .btn-secondary {
    width: 100%;
    text-align: center;
  }

  .section {
    margin-top: 1rem;
    padding: var(--spacing-6) 0;
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

  .card-grid,
  .features-grid,
  .ambassadors-grid,
  .news-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }

  .tournament-info {
    gap: var(--spacing-4);
  }

  .article-container {
    padding: var(--spacing-6) var(--spacing-4);
  }

  .article-title {
    font-size: var(--font-size-2xl);
  }

  .article-content {
    padding: var(--spacing-4);
  }

  .main-content {
    padding-top: 60px;
  }

  .footer-disclaimer {
    padding: var(--spacing-4) var(--spacing-4) 0;
  }
}

@media (max-width: 640px) {
  :root {
    --spacing-16: 2.5rem;
    --font-size-5xl: 2.2rem;
  }

  .header-container {
    padding: var(--spacing-3) var(--spacing-4);
  }

  .hero-content {
    padding: 0 var(--spacing-4);
  }

  .container {
    padding: 0 var(--spacing-4);
  }

  .card {
    padding: var(--spacing-6);
  }

  .download-section {
    padding: var(--spacing-8) 0;
  }

  .download-section .container {
    padding: 0 var(--spacing-4);
  }

  .download-cards {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }

  .download-card {
    padding: var(--spacing-6);
  }

  .section-title {
    font-size: var(--font-size-xl);
  }

  .section-subtitle {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-6);
  }

  .main-content {
    padding-top: 56px;
  }

  .footer-disclaimer {
    padding: var(--spacing-4) var(--spacing-3) 0;
    font-size: var(--font-size-xs);
  }
}

/* ============================================
   Lazy Loading Animation
   ============================================ */
img[data-lazy] {
  opacity: 0;
  transition: opacity var(--transition-base);
}

img[data-lazy].loaded {
  opacity: 1;
}

/* ============================================
   Page Header for Inner Pages
   ============================================ */
.page-header {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  background-size: 200% 200%;
  animation: gradientFlow 10s ease infinite;
  color: var(--color-white);
  padding: var(--spacing-8) 0;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(255, 215, 0, 0.15) 0%, transparent 70%);
}

.page-header h1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-2);
  position: relative;
  z-index: 1;
}

.page-header p {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  .page-header h1 {
    font-size: var(--font-size-2xl);
  }
}

/* ============================================
   Back Button
   ============================================ */
.back-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-6);
  transition: all var(--transition-fast);
}

.back-button::before {
  content: '←';
}

.back-button:hover {
  color: var(--color-accent);
  transform: translateX(-4px);
}

/* ============================================
   Extra hover animations
   ============================================ */
.section {
  animation: fadeInScale 0.8s ease-out forwards;
}