header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 100%);
  border-bottom: 3px solid var(--toxic-purple);
  box-shadow: 
    0 0 20px rgba(138, 43, 226, 0.3),
    inset 0 -2px 0 rgba(255, 255, 255, 0.5);
  position: relative;
  overflow: hidden;
}

header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='3' cy='3' r='1'/%3E%3Ccircle cx='13' cy='13' r='1'/%3E%3Ccircle cx='17' cy='7' r='1'/%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.3;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  position: relative;
  z-index: 2;
}

.brand-section {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
}

header h1 {
  font-family: 'Permanent Marker', cursive;
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--neon-white);
  text-shadow: 
    3px 3px 0px var(--blood-red),
    6px 6px 0px var(--toxic-purple),
    2px 2px 10px rgba(255, 255, 255, 0.5);
  transform: rotate(-2deg);
  position: relative;
  z-index: 3;
}

.subtitle_s {
  font-size: clamp(0.8rem, 2vw, 1rem);
  color: var(--toxic-purple);
  font-weight: 400;
  margin: 0.5rem 0 0 0;
  text-transform: uppercase;
  letter-spacing: 1px;
  transform: skew(-5deg);
  background: rgba(138, 43, 226, 0.1);
  padding: 0.2rem 0.5rem;
  border-left: 3px solid var(--toxic-purple);
}

nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.nav-link {
  color: var(--dirty-white);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 2px;
  padding: 0.8rem 1.5rem;
  background: linear-gradient(45deg, var(--concrete-gray), #3a3a3a);
  border: 2px solid var(--toxic-purple);
  position: relative;
  transition: all 0.3s ease;
  text-transform: uppercase;
  clip-path: polygon(0% 0%, 90% 0%, 100% 100%, 10% 100%);
  box-shadow: 
    inset 0 0 0 0 var(--neon-white),
    0 0 10px rgba(138, 43, 226, 0.3);
}

.nav-link::before {
  content: '▶';
  position: absolute;
  left: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  font-size: 0.7rem;
  opacity: 0;
  transition: all 0.3s ease;
}

.nav-link:hover {
  transform: translateY(-3px) skew(-2deg);
}

.nav-link:hover::before {
  opacity: 1;
  left: 0.3rem;
}