.header {
  background: var(--bg2);
  border-bottom: 2px solid var(--accent);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
}

.logo img { height: 40px; }

.search-bar {
  flex: 1;
  max-width: 420px;
  display: flex;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.search-bar form {
  display: flex;
  width: 100%;
}
.search-bar button {
  background: none;
  border: none;
  padding: 0 12px;
  color: var(--text2);
  cursor: pointer;
  font-size: 1rem;
  order: -1;
}
.search-bar input {
  flex: 1;
  background: none;
  border: none;
  padding: 9px 14px 9px 0;
  color: var(--text);
  font-size: .9rem;
  outline: none;
}

.header-actions { display: flex; gap: 10px; align-items: center; }

.nav {
  background: var(--bg3);
  border-top: 1px solid var(--border);
}
.nav ul {
  display: flex;
  gap: 2px;
  padding: 0;
}
.nav a {
  display: block;
  padding: 11px 16px;
  font-size: .88rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text2);
  transition: color .2s, background .2s;
}
.nav a:hover, .nav a.active {
  color: var(--text);
  background: var(--bg2);
}
.nav a.active { border-bottom: 2px solid var(--accent); }

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}