:root {
  --color-primary: #00D4FF;
  --color-secondary: #0A8FBD;
  --color-accent: #FF006E;
  --color-bg-dark: #0f1419;
  --color-bg-lighter: #1a1f3a;
  --color-bg-light: #2a3050;
  --color-text-primary: #E8EAED;
  --color-text-secondary: #B0B4BF;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error: #EF4444;
  --color-border: #3a4150;

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;

  --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 32px;
  --font-size-4xl: 48px;

  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;

  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-base);
  background-color: var(--color-bg-dark);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  letter-spacing: 0.3px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  width: 100%;
}

/* Header */
.header {
  background-color: rgba(15, 20, 25, 0.95);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) 0;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  text-decoration: none;
  color: var(--color-text-primary);
}

.logo-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.brand-name {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--color-primary);
}

/* Hero Section */
.hero {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, #0f1419 0%, #1a1f3a 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

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

.hero-content h1 {
  font-size: var(--font-size-4xl);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
  background: linear-gradient(135deg, #00D4FF 0%, #0A8FBD 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
}

.hero-main-image {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
}

.image-placeholder {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(10, 143, 189, 0.05) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--border-radius-md);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
  min-width: 160px;
}

.btn-primary {
  background: linear-gradient(135deg, #00D4FF 0%, #0A8FBD 100%);
  color: #0f1419;
  border-color: transparent;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 212, 255, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--color-primary);
}

/* Features Section */
.features {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-bg-dark);
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
}

.feature-card {
  background: linear-gradient(135deg, rgba(26, 31, 58, 0.8) 0%, rgba(42, 48, 80, 0.4) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-2xl);
  text-align: center;
  transition: all var(--transition-normal);
}

.feature-card:hover {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, rgba(26, 31, 58, 1) 0%, rgba(42, 48, 80, 0.6) 100%);
  transform: translateY(-4px);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

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

/* Arenas Section */
.arenas {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, #1a1f3a 0%, #0f1419 100%);
}

.arenas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
}

.arena-card {
  background: linear-gradient(135deg, rgba(26, 31, 58, 0.6) 0%, rgba(42, 48, 80, 0.3) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.arena-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 212, 255, 0.1);
}

.arena-image {
  width: 100%;
  overflow: hidden;
  height: 200px;
}

.arena-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.arena-card > h3,
.arena-card > p,
.arena-card > .price,
.arena-card > .btn {
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

.arena-card > h3 {
  padding-top: var(--spacing-lg);
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
}

.arena-card > p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-sm);
}

.arena-card .price {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin: var(--spacing-lg) 0;
}

.arena-card .btn {
  margin-bottom: var(--spacing-lg);
  width: calc(100% - var(--spacing-lg) * 2);
}

/* Tournaments Section */
.tournaments {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-bg-dark);
}

.tournaments-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-2xl);
}

.tournament-card {
  background: linear-gradient(135deg, rgba(26, 31, 58, 0.8) 0%, rgba(42, 48, 80, 0.4) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-2xl);
  transition: all var(--transition-normal);
}

.tournament-card:hover {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, rgba(26, 31, 58, 1) 0%, rgba(42, 48, 80, 0.6) 100%);
}

.tournament-card h3 {
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.tournament-card > p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-sm);
}

.tournament-list {
  list-style: none;
  padding: 0;
}

.tournament-list li {
  padding: var(--spacing-sm) 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  padding-left: var(--spacing-lg);
  position: relative;
}

.tournament-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

/* Statistics Section */
.statistics {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, #1a1f3a 0%, #0f1419 100%);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-2xl);
}

.stat-card {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(10, 143, 189, 0.05) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-2xl);
  text-align: center;
  transition: all var(--transition-normal);
}

.stat-card:hover {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(10, 143, 189, 0.1) 100%);
  transform: translateY(-2px);
}

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: 900;
  background: linear-gradient(135deg, #00D4FF 0%, #0A8FBD 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-md);
}

.stat-card p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* Blog Section */
.blog {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-bg-dark);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
}

.blog-card {
  background: linear-gradient(135deg, rgba(26, 31, 58, 0.6) 0%, rgba(42, 48, 80, 0.3) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.blog-image {
  width: 100%;
  overflow: hidden;
  height: 200px;
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-card h3 {
  font-size: var(--font-size-lg);
  padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-md);
  color: var(--color-text-primary);
}

.blog-card > p {
  padding: 0 var(--spacing-lg);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  flex-grow: 1;
}

.read-more {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: all var(--transition-normal);
  margin: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
}

.read-more:hover {
  color: #00D4FF;
}

/* Partners Section */
.partners {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, #1a1f3a 0%, #0f1419 100%);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-2xl);
}

.partner-card {
  background: linear-gradient(135deg, rgba(26, 31, 58, 0.6) 0%, rgba(42, 48, 80, 0.3) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 140px;
  transition: all var(--transition-normal);
}

.partner-card:hover {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, rgba(26, 31, 58, 0.8) 0%, rgba(42, 48, 80, 0.5) 100%);
}

.partner-logo {
  width: 100%;
  height: 100%;
}

.partner-logo svg {
  width: 100%;
  height: 100%;
}

/* Contacts Section */
.contacts {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-bg-dark);
}

.contacts-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  text-align: center;
}

.contact-item h3 {
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.contact-link {
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: all var(--transition-normal);
}

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

.contact-address {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  line-height: 1.8;
}

/* Footer */
.footer {
  background: linear-gradient(135deg, rgba(15, 20, 25, 0.95) 0%, rgba(10, 10, 20, 0.95) 100%);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.footer-logo .logo-icon {
  width: 32px;
  height: 32px;
}

.footer-brand {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
}

.footer-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

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

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-normal);
  font-size: var(--font-size-sm);
}

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

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

.footer-contact a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-normal);
  font-size: var(--font-size-sm);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-lg);
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-content-wrapper {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-content h1 {
    font-size: var(--font-size-3xl);
  }

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

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

  .features-grid,
  .arenas-grid,
  .blog-grid,
  .partners-grid,
  .stats-grid,
  .tournaments-content {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    text-align: left;
  }

  .footer-logo {
    justify-content: flex-start;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .hero {
    padding: var(--spacing-2xl) 0;
  }

  .hero-content h1 {
    font-size: var(--font-size-2xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    padding: var(--spacing-md) var(--spacing-lg);
    width: 100%;
    min-width: auto;
  }

  .section-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
  }

  .feature-card,
  .arena-card,
  .tournament-card,
  .blog-card {
    padding: var(--spacing-lg);
  }

  .stat-number {
    font-size: var(--font-size-2xl);
  }

  .footer-content {
    gap: var(--spacing-md);
  }

  .footer-section h4 {
    font-size: var(--font-size-sm);
  }
}