/* Header styles */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition-medium);
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
}

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

.logo-shape {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-red), var(--secondary-yellow));
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  margin-right: var(--space-sm);
  animation: rotateLogo 12s infinite linear;
}

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

.logo-container h1 {
  font-size: 1.8rem;
  margin: 0;
  background: linear-gradient(to right, var(--primary-red), var(--secondary-yellow));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

nav {
  display: flex;
  align-items: center;
}

.menu {
  display: flex;
  list-style: none;
}

.menu li {
  margin-left: var(--space-md);
}

.nav-link {
  position: relative;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 1px;
  padding: var(--space-xs) 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(to right, var(--primary-red), var(--secondary-yellow));
  transition: var(--transition-medium);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background: linear-gradient(to right, var(--primary-red), var(--secondary-yellow));
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

/* Responsive header */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  
  .menu {
    position: fixed;
    top: 70px;
    right: -100%;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(8px);
    width: 70%;
    height: calc(100vh - 70px);
    padding: var(--space-lg);
    transition: var(--transition-medium);
  }
  
  .menu.active {
    right: 0;
  }
  
  .menu li {
    margin: var(--space-md) 0;
  }
}