/* Base styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  text-decoration: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

:root {
  --primary: #b184ff;
  --primary-light: #d2b3ff;
  --primary-dark: #9966ff;
  --secondary: #7952ff;
  --accent: #ff66cc;
  --background-dark: #05050d;
  --background-light: #0f0f1a;
  --card-bg: #1f1f3b;
  --card-bg-hover: #2f2f5e;
  --text-primary: #e6dbff;
  --text-secondary: #cec7e8;
  --text-muted: #8e84b0;
  --glow-primary: rgba(153, 102, 255, 0.7);
  --glow-accent: rgba(255, 102, 204, 0.7);
  --shadow-sm: 0 0 8px rgba(153, 102, 255, 0.3);
  --shadow-md: 0 0 16px rgba(153, 102, 255, 0.4);
  --shadow-lg: 0 0 24px rgba(153, 102, 255, 0.5);
  --shadow-xl: 0 0 32px rgba(153, 102, 255, 0.6);
  --border-radius-sm: 8px;
  --border-radius-md: 14px;
  --border-radius-lg: 24px;
  --border-radius-full: 9999px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --font-family-main: 'Outfit', sans-serif;
  --font-family-display: 'Rajdhani', sans-serif;
}

body {
  font-family: var(--font-family-main);
  background: radial-gradient(circle at top left, var(--background-light), var(--background-dark));
  color: var(--text-primary);
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Particles background */
#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -1;
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(15, 15, 26, 0.9);
  box-shadow: 0 2px 16px var(--glow-primary);
  z-index: 200;
  backdrop-filter: blur(10px);
  transition: background var(--transition-normal);
  padding: var(--spacing-sm) 0;
}

nav:hover {
  background: rgba(15, 15, 26, 1);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  height: 64px;
}

.nav-left, .nav-center, .nav-right {
  display: flex;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  font-family: var(--font-family-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin-left: var(--spacing-md);
  letter-spacing: 0.05em;
  color: var(--primary-light);
  text-shadow: 0 0 8px rgba(178, 144, 255, 0.5);
}

.nav-brand i {
  margin-right: var(--spacing-sm);
  color: var(--primary);
}

.menu-toggle {
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary);
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast), transform var(--transition-fast);
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-full);
  background: rgba(153, 102, 255, 0.1);
}

.menu-toggle:hover {
  color: var(--primary-light);
  transform: scale(1.1);
  background: rgba(153, 102, 255, 0.2);
}

.nav-center {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-icon-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--text-primary);
  border-radius: var(--border-radius-full);
  background: rgba(153, 102, 255, 0.1);
  transition: all var(--transition-normal);
  position: relative;
}

.nav-icon-link i {
  font-size: 1.1rem;
  transition: transform var(--transition-normal);
}

.nav-icon-link:hover {
  background: rgba(153, 102, 255, 0.3);
  color: var(--primary-light);
  box-shadow: 0 0 12px rgba(153, 102, 255, 0.5);
}

.nav-icon-link:hover i {
  transform: scale(1.2);
}

.nav-icon-link::after {
  content: attr(title);
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%) scale(0.8);
  background: rgba(15, 15, 26, 0.9);
  color: var(--primary-light);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
  white-space: nowrap;
  box-shadow: 0 0 8px rgba(153, 102, 255, 0.3);
}

.nav-icon-link:hover::after {
  opacity: 1;
  bottom: -25px;
  transform: translateX(-50%) scale(1);
}

.sodu-display {
  margin-left: auto;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary-light);
  user-select: none;
  white-space: nowrap;
  letter-spacing: 0.03em;
  text-shadow: 0 0 8px rgba(166, 127, 255, 0.5);
  background: rgba(153, 102, 255, 0.1);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
}

.coin-icon {
  color: gold;
  margin-right: var(--spacing-sm);
  animation: coinRotate 4s infinite linear;
}

@keyframes coinRotate {
  0% { transform: rotateY(0deg); }
  100% { transform: rotateY(360deg); }
}

.nav-links {
  position: absolute;
  top: 76px;
  left: 16px;
  background: rgba(40, 40, 75, 0.95);
  padding: var(--spacing-lg) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: 0 0 20px rgba(162, 119, 255, 0.5);
  min-width: 220px;
  z-index: 201;
  display: none;
  flex-direction: column;
  gap: var(--spacing-md);
  backdrop-filter: blur(12px);
  user-select: none;
  border: 1px solid rgba(153, 102, 255, 0.3);
  transform: translateY(-10px);
  opacity: 0;
  transition: all var(--transition-normal);
}

.nav-links.visible {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}

.nav-links a {
  color: var(--text-primary);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  background: rgba(59, 54, 112, 0.4);
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 0 8px transparent;
  transition: all var(--transition-normal);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
}

.nav-links a i {
  margin-right: var(--spacing-md);
  font-size: 1rem;
  color: var(--primary);
  transition: all var(--transition-normal);
}

.nav-links a:hover {
  background: rgba(166, 127, 255, 0.8);
  color: #fff;
  box-shadow: 0 0 20px rgba(203, 163, 255, 0.8);
  transform: scale(1.04);
  text-shadow: 0 0 10px rgba(209, 169, 255, 0.8);
}

.nav-links a:hover i {
  color: #fff;
  transform: scale(1.2);
}

/* Hero section */
.hero {
  padding: 160px 20px 100px;
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  user-select: none;
  overflow: hidden;
}

.hero-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(153, 102, 255, 0.2), transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  filter: blur(60px);
  z-index: 1;
  animation: pulseGlow 8s infinite alternate;
}

@keyframes pulseGlow {
  0% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.5); }
}

.hero h1 {
  font-size: 3.5rem;
  font-family: var(--font-family-display);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 1s ease-out;
  text-shadow: 0 0 15px rgba(158, 121, 255, 0.5);
  letter-spacing: 0.02em;
}

.highlight-text {
  background: linear-gradient(90deg, var(--primary), var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% auto;
  animation: textGradient 4s infinite alternate;
  display: inline-block;
}

@keyframes textGradient {
  0% { background-position: 0% center; }
  100% { background-position: 100% center; }
}

.hero p {
  font-size: 1.25rem;
  color: rgba(206, 199, 232, 0.9);
  margin-bottom: var(--spacing-2xl);
  animation: fadeInUp 1.4s ease-out;
  font-weight: 500;
  line-height: 1.45;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 0 4px rgba(123, 105, 196, 0.7);
}

.btn-start {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: var(--spacing-lg) var(--spacing-2xl);
  border-radius: var(--border-radius-full);
  font-size: 1.1rem;
  color: white;
  border: none;
  box-shadow: 0 0 32px rgba(171, 129, 255, 0.8);
  cursor: pointer;
  transition: all var(--transition-normal);
  animation: pulse 2.5s infinite;
  font-weight: 700;
  user-select: none;
  text-shadow: 0 0 8px rgba(124, 85, 255, 0.8);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  position: relative;
  overflow: hidden;
}

.btn-start::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  z-index: -1;
  border-radius: var(--border-radius-full);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.btn-start:hover {
  box-shadow: 0 0 48px rgba(180, 144, 255, 0.7);
  transform: translateY(-3px) scale(1.05);
}

.btn-start:hover::before {
  opacity: 1;
  animation: borderRotate 2s linear infinite;
}

@keyframes borderRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.btn-start:active {
  transform: translateY(0) scale(1);
  box-shadow: 0 0 24px rgba(154, 107, 255, 0.7);
}

.btn-start i {
  font-size: 0.9rem;
  transition: transform var(--transition-normal);
}

.btn-start:hover i {
  transform: translateX(5px);
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

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

/* Section titles */
.section-title {
  text-align: center;
  font-size: 2.25rem;
  font-family: var(--font-family-display);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-2xl);
  position: relative;
  display: inline-block;
  padding: 0 var(--spacing-xl);
}

.section-title::before {
  content: '';
  position: absolute;
  width: 80px;
  height: 4px;
  background: linear-gradient(to right, var(--primary-dark), var(--primary));
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: var(--border-radius-full);
}

/* Features section */
.features {
  padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-3xl);
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  padding: 0 var(--spacing-md);
}

.feature-box {
  background: var(--card-bg);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 1;
  border: 1px solid rgba(153, 102, 255, 0.1);
  cursor: pointer;
}

.feature-box::before {
  content: "";
  position: absolute;
  width: 150%;
  height: 150%;
  background: linear-gradient(135deg, rgba(153, 102, 255, 0.3), transparent);
  top: 0;
  left: -150%;
  filter: blur(20px);
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: var(--border-radius-lg);
  z-index: 0;
}

.feature-box:hover::before {
  left: 150%;
}

.feature-box:hover {
  background: var(--card-bg-hover);
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(178, 163, 255, 0.5);
  color: #fff;
  z-index: 10;
}

.feature-icon {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: var(--spacing-lg);
  transition: all var(--transition-normal);
  position: relative;
  z-index: 1;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(153, 102, 255, 0.1);
  border-radius: var(--border-radius-full);
}

.feature-box:hover .feature-icon {
  color: #fff;
  background: var(--primary);
  transform: scale(1.1);
  box-shadow: 0 0 20px rgba(153, 102, 255, 0.5);
}

.feature-box h4 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  position: relative;
  z-index: 1;
  transition: all var(--transition-normal);
  font-family: var(--font-family-display);
  margin-bottom: var(--spacing-sm);
}

.event-status {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: normal;
}

.feature-hover {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(153, 102, 255, 0.8);
  color: white;
  padding: var(--spacing-md);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
  z-index: 2;
  font-weight: 600;
  font-size: 0.9rem;
}

.feature-box:hover .feature-hover {
  transform: translateY(0);
}

.feature-badge {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--accent);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--border-radius-full);
  z-index: 2;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  animation: pulse 2s infinite;
}

.new-feature {
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(255, 102, 204, 0.3);
}

.new-feature .feature-icon {
  color: var(--accent);
  background: rgba(255, 102, 204, 0.1);
}

.new-feature:hover .feature-icon {
  background: var(--accent);
}

/* News section */
.news-section {
  padding: var(--spacing-3xl) var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.news-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
  padding: 0 var(--spacing-md);
}

.news-card {
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  border: 1px solid rgba(153, 102, 255, 0.1);
  text-align: left;
}

.news-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(178, 163, 255, 0.5);
}

.news-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.news-card:hover .news-image img {
  transform: scale(1.1);
}

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

.news-date {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: var(--spacing-sm);
}

.news-content h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-light);
  font-weight: 700;
}

.news-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-md);
  line-height: 1.5;
}

.news-link {
  display: inline-block;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  position: relative;
}

.news-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -3px;
  left: 0;
  background: var(--primary);
  transition: width var(--transition-normal);
}

.news-link:hover {
  color: var(--primary-light);
}

.news-link:hover::after {
  width: 100%;
}

/* Footer */
footer {
  background: rgba(15, 15, 26, 0.95);
  padding: var(--spacing-xl) var(--spacing-lg);
  color: var(--text-secondary);
  box-shadow: 0 -2px 16px rgba(153, 102, 255, 0.5);
  backdrop-filter: blur(10px);
  margin-top: var(--spacing-3xl);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  font-family: var(--font-family-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-light);
}

.footer-logo i {
  margin-right: var(--spacing-sm);
  color: var(--primary);
}

.footer-links {
  display: flex;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
  justify-content: center;
}

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

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

.copyright {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
  .nav-container {
    padding: 0 var(--spacing-md);
  }
  
  .nav-center {
    gap: var(--spacing-sm);
  }
  
  .hero h1 {
    font-size: 3rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }
}

@media (max-width: 768px) {
  .nav-container {
    padding: 0 var(--spacing-sm);
    height: 56px;
  }
  
  .nav-brand {
    font-size: 1rem;
  }
  
  .menu-toggle, .nav-icon-link {
    width: 36px;
    height: 36px;
  }
  
  .nav-center {
    gap: var(--spacing-xs);
  }
  
  .nav-icon-link i {
    font-size: 0.9rem;
  }
  
  .sodu-display {
    font-size: 0.95rem;
    padding: var(--spacing-xs) var(--spacing-md);
  }
  
  .nav-links {
    top: 68px;
    left: var(--spacing-sm);
    min-width: 200px;
    padding: var(--spacing-md);
  }
  
  .hero {
    padding: 120px var(--spacing-md) 80px;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1rem;
    margin-bottom: var(--spacing-xl);
  }
  
  .btn-start {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .features, .news-section {
    padding: var(--spacing-2xl) var(--spacing-md);
  }
  
  .features-grid, .news-container {
    gap: var(--spacing-lg);
  }
  
  .feature-box {
    padding: var(--spacing-lg);
    aspect-ratio: auto;
    min-height: 220px;
  }
  
  .feature-icon {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-md);
  }
  
  .feature-box h4 {
    font-size: 1.1rem;
  }
  
  .news-image {
    height: 150px;
  }
  
  .news-content {
    padding: var(--spacing-md);
  }
  
  .news-content h3 {
    font-size: 1.1rem;
  }
  
  .footer-logo {
    font-size: 1.2rem;
  }
  
  .footer-links {
    gap: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .nav-container {
    position: relative;
  }
  
  .nav-center {
    position: absolute;
    bottom: -50px;
    left: 0;
    right: 0;
    background: rgba(15, 15, 26, 0.9);
    padding: var(--spacing-xs) 0;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(153, 102, 255, 0.3);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-normal);
  }
  
  .nav-center.visible {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  
  .hero h1 {
    font-size: 2.2rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .news-container {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    flex-direction: column;
    gap: var(--spacing-md);
  }
}