:root {
  --color-bg-base: #121417;
  --color-bg-card: #1C1F24;
  --color-bg-card-hover: #23272D;
  --color-primary: #0056B3;
  --color-primary-hover: #004494;
  --color-accent: #E05A00;
  --color-accent-hover: #C24D00;
  --color-text-main: #E2E6ED;
  --color-text-muted: #9BA3B5;
  --color-border: #2A2E35;
  --color-border-light: #383D47;
  
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-family-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
}

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

body {
  font-family: var(--font-family-base);
  background-color: var(--color-bg-base);
  color: var(--color-text-main);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: 600;
  color: #FFFFFF;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

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

a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

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

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: var(--space-sm);
}

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

.section {
  padding: var(--space-lg) 0;
}

.bg-card {
  background-color: var(--color-bg-card);
}

.header {
  background-color: rgba(18, 20, 23, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--color-text-main);
  font-weight: 500;
  text-decoration: none;
  font-size: 0.95rem;
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover {
  color: #FFFFFF;
  border-bottom-color: var(--color-primary);
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  text-decoration: none !important;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #FFFFFF !important;
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--color-border-light);
  color: var(--color-text-main) !important;
}

.btn-secondary:hover {
  border-color: var(--color-text-main);
  background-color: rgba(255, 255, 255, 0.05);
}

.hero {
  padding: var(--space-xl) 0;
  background: linear-gradient(135deg, #1A1C1E 0%, #0F1114 100%);
  border-bottom: 1px solid var(--color-border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
}

.card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

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

.card h3 {
  margin-bottom: var(--space-xs);
  font-size: 1.25rem;
}

.card p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  font-size: 0.95rem;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.table thead th {
  background-color: rgba(255, 255, 255, 0.03);
  color: #FFFFFF;
  font-weight: 600;
}

.table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.footer {
  background-color: #0A0B0D;
  border-top: 1px solid var(--color-border);
  padding: var(--space-lg) 0 var(--space-md);
  margin-top: var(--space-lg);
}

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

.footer-col h4 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col ul li {
  margin-bottom: var(--space-xs);
}

.footer-col ul li a {
  color: var(--color-text-main);
  font-size: 0.95rem;
}

.footer-col ul li a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-sm);
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .header .container {
    flex-direction: column;
    height: auto;
    padding: var(--space-sm);
  }
  .nav-links {
    margin-top: var(--space-sm);
    flex-wrap: wrap;
    justify-content: center;
  }
  .hero {
    padding: var(--space-md) 0;
  }
  .hero-content h1 {
    font-size: 2.5rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}