/* Стили шапки */
.header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 60px 40px;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.header::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.3; }
}

.header h1 {
  font-size: 3em;
  margin-bottom: 15px;
  position: relative;
  z-index: 1;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.header p {
  font-size: 1.2em;
  opacity: 0.95;
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  .header { padding: 40px 20px; }
  .header h1 { font-size: 2em; }
}