header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: background .4s, border-color .4s;
}
header.sc {
  background: rgba(10, 10, 11, .88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--brd);
}
[data-theme="light"] header.sc { background: rgba(245, 240, 232, .9); }

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo { display: flex; align-items: center; text-decoration: none; }
.logo img { height: 44px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-size: .72rem;
  font-weight: 300;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--txm);
  text-decoration: none;
  transition: color .3s;
}
.nav-links a:hover { color: var(--gold); }

.nav-r { display: flex; align-items: center; gap: 1rem; }

.tbtn {
  background: none;
  border: 1px solid var(--brd);
  color: var(--txm);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: .9rem;
  transition: all .3s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tbtn:hover { border-color: var(--gold); color: var(--gold); }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.burger span { display: block; width: 24px; height: 1px; background: var(--tx); transition: all .3s; }
.burger.op span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger.op span:nth-child(2) { opacity: 0; }
.burger.op span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobmenu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--bg);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
}
.mobmenu.op { display: flex; }
.mobmenu a {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--tx);
  text-decoration: none;
  letter-spacing: .1em;
  transition: color .3s;
}
.mobmenu a:hover { color: var(--gold); }