.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 4px solid var(--yellow);
  background: rgba(255, 253, 248, 0.96);
  backdrop-filter: blur(10px);
}

.nav-shell {
  display: flex;
  width: min(1180px, calc(100% - 2rem));
  min-height: 76px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: "Bree Serif", Georgia, serif;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.header-actions {
  display: flex;
  margin-left: 0.7rem;
  align-items: center;
  gap: 0.65rem;
}

.music-toggle {
  width: 96px;
  min-height: 40px;
  padding: 0.45rem 0.7rem;
  border: 2px solid var(--ink);
  color: var(--ink);
  background: #fff;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 900;
  line-height: 1;
  text-align: center;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

.music-toggle:hover,
.music-toggle:focus-visible {
  box-shadow: 3px 3px 0 var(--ink);
  transform: translate(-1px, -1px);
}

.music-toggle.is-playing {
  background: var(--yellow);
}

.site-nav {
  display: flex;
  margin-left: auto;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(0.8rem, 2vw, 1.5rem);
}

.site-nav a {
  position: relative;
  padding: 0.45rem 0;
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration: none;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--yellow);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-header .nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-weight: 800;
}

@media (min-width: 681px) and (max-width: 1100px) {
  .nav-shell {
    width: min(1180px, calc(100% - 1rem));
    min-height: 68px;
    gap: 0.75rem;
  }

  .brand {
    gap: 0.45rem;
    font-size: 1rem;
  }

  .brand img {
    width: 42px;
    height: 42px;
  }

  .header-actions {
    margin-left: 0.25rem;
    gap: 0.4rem;
  }

  .site-nav {
    gap: clamp(0.45rem, 1.15vw, 0.75rem);
  }

  .site-nav a {
    font-size: 0.82rem;
  }
}

@media (max-width: 680px) {
  .site-header .nav-toggle {
    display: inline-flex;
    min-height: 44px;
    padding: 0.4rem 0;
    align-items: center;
    gap: 0.65rem;
  }

  .site-header .nav-toggle-icon,
  .site-header .nav-toggle-icon::before,
  .site-header .nav-toggle-icon::after {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--ink);
    content: "";
    transition: transform 160ms ease;
  }

  .site-header .nav-toggle-icon {
    position: relative;
  }

  .site-header .nav-toggle-icon::before {
    position: absolute;
    top: -7px;
  }

  .site-header .nav-toggle-icon::after {
    position: absolute;
    top: 7px;
  }

  .site-header .nav-toggle[aria-expanded="true"] .nav-toggle-icon {
    background: transparent;
  }

  .site-header .nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
    top: 0;
    transform: rotate(45deg);
  }

  .site-header .nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
    top: 0;
    transform: rotate(-45deg);
  }

  .site-header .site-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    padding: 1rem max(1rem, calc((100vw - 1180px) / 2));
    border-bottom: 4px solid var(--yellow);
    background: var(--paper);
    align-items: stretch;
    flex-direction: column;
    gap: 0;
  }

  .site-header .site-nav.is-open {
    display: flex;
  }

  .site-header .site-nav a {
    padding: 0.75rem 0;
    border-bottom: 1px solid #d8d1c5;
  }

  .no-js .site-header .nav-toggle {
    display: none;
  }

  .no-js .site-header .site-nav {
    position: static;
    display: flex;
    padding: 0;
    border: 0;
    flex-wrap: wrap;
    flex-direction: row;
  }
}

@media (max-width: 680px) {
  .nav-shell {
    min-height: 66px;
    gap: 0.65rem;
  }

  .header-actions {
    margin-left: auto;
    gap: 0.45rem;
  }

  .music-toggle {
    padding: 0.45rem 0.55rem;
    font-size: 0.8rem;
  }

  .brand img {
    width: 42px;
    height: 42px;
  }

  .brand span {
    font-size: 1rem;
  }
}