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

html, body {
  height: 100%;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  background: #000;
  color: #fff;
}

.landing {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  padding: 20px;
  position: relative;
  z-index: 10;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  height: 44px;
  width: auto;
  flex-shrink: 0;
}

.main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.content {
  text-align: center;
}

.support-button {
  background: #DC2626;
  color: #fff;
  border: none;
  padding: 16px 48px;
  font-size: 18px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.support-button:hover {
  background: #B91C1C;
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(220, 38, 38, 0.3);
}

.support-button:active {
  transform: translateY(0);
  box-shadow: 0 4px 8px rgba(220, 38, 38, 0.2);
}

/* Адаптивность */
@media (max-width: 768px) {
  .logo-icon {
    height: 36px;
  }
  
  .support-button {
    padding: 14px 40px;
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .header {
    padding: 16px;
  }
  
  .logo-icon {
    height: 32px;
  }
  
  .support-button {
    padding: 12px 32px;
    font-size: 15px;
  }
}