.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 1000;
}

.nav-brand {
  display: none;
  color: var(--accent);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.5px;
}

.nav-list {
  margin: 0 auto;
  list-style: none;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.nav-list a {
  text-decoration: none;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.nav-list a:hover {
  color: #c8f542;
  border-color: rgba(200, 245, 66, 0.25);
  background: rgba(200, 245, 66, 0.05);
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-brand { display: block; }
  .hamburger { display: flex; }

  .nav-list {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    z-index: 999;
    background: rgba(10, 10, 15, 0.98);
    flex-direction: column;
    gap: 0;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-list.open { display: flex; }

  .nav-list a {
    display: block;
    padding: 14px 24px;
    border-radius: 0;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
  }
}