/* Shared public header for the homepage and public product pages. */
body.menu-open {
  overflow: hidden;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  color: #fff;
  background: var(--forest, #073c31);
  border-radius: 0.5rem;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.premium-header,
.premium-header * {
  box-sizing: border-box;
}

.premium-header {
  position: relative;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(230px, 320px) 1fr auto;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 4rem);
  min-height: 96px;
  padding: 0.7rem clamp(1.5rem, 3vw, 3.25rem);
  color: var(--ink, #123b33);
  background: rgba(255, 250, 240, 0.98);
  border-bottom: 2px solid var(--gold, #d5a72f);
  font-family: var(--sans, Inter, "Segoe UI", Arial, sans-serif);
}

.premium-header a {
  color: inherit;
  text-decoration: none;
}

.premium-brand {
  display: block;
  width: min(100%, 320px);
}

.premium-brand img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.premium-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1.4rem, 3.2vw, 3.8rem);
  font-size: clamp(0.9rem, 1.15vw, 1.05rem);
  font-weight: 750;
  white-space: nowrap;
}

.premium-nav a {
  position: relative;
  padding: 0.7rem 0;
}

.premium-nav a::after {
  position: absolute;
  right: 50%;
  bottom: 0.2rem;
  left: 50%;
  height: 2px;
  background: var(--gold, #d5a72f);
  content: "";
  transition: left 160ms ease, right 160ms ease;
}

.premium-nav a:hover::after,
.premium-nav a[aria-current="page"]::after {
  right: 0;
  left: 0;
}

.sign-in-button,
.menu-button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.65rem;
  color: #fff !important;
  background: var(--forest, #073c31);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  box-shadow: 0 7px 16px rgba(5, 47, 39, 0.22);
  font: 750 1rem/1 var(--sans, Inter, "Segoe UI", Arial, sans-serif);
  transition: background 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.sign-in-button:hover,
.menu-button:hover {
  background: var(--forest-soft, #235c48);
  box-shadow: 0 9px 20px rgba(5, 47, 39, 0.28);
  transform: translateY(-1px);
}

.menu-button {
  display: none;
  cursor: pointer;
}

.premium-mobile-nav {
  position: absolute;
  top: calc(100% + 2px);
  right: 1rem;
  left: 1rem;
  display: grid;
  padding: 0.75rem;
  background: var(--paper, #fffaf0);
  border: 1px solid rgba(12, 73, 58, 0.15);
  border-radius: 1rem;
  box-shadow: var(--shadow, 0 18px 45px rgba(7, 43, 35, 0.18));
}

.premium-mobile-nav[hidden] {
  display: none;
}

.premium-mobile-nav a {
  padding: 0.9rem 1rem;
  border-radius: 0.7rem;
  font-weight: 750;
}

.premium-mobile-nav a:hover,
.premium-mobile-nav a[aria-current="page"] {
  background: #efe5d1;
}

@media (max-width: 1280px) {
  .premium-nav,
  .sign-in-button {
    display: none;
  }

  .menu-button {
    display: inline-flex;
    grid-column: 3;
  }
}

@media (max-width: 1150px) {
  .premium-header {
    grid-template-columns: minmax(200px, 250px) 1fr auto;
    gap: 1.2rem;
    padding-inline: 1.5rem;
  }
}

@media (max-width: 930px) {
  .premium-header {
    grid-template-columns: minmax(180px, 230px) 1fr auto;
    min-height: 82px;
  }
}

@media (max-width: 680px) {
  .premium-header {
    position: sticky;
    top: 0;
    grid-template-columns: minmax(170px, 215px) 1fr auto;
    min-height: 72px;
    padding: 0.55rem 1rem;
  }

  .menu-button {
    min-height: 42px;
    padding: 0.65rem 1rem;
    font-size: 0.88rem;
  }
}

@media (max-width: 355px) {
  .premium-header {
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 0.35rem;
    min-height: 66px;
    padding: 0.45rem 0.65rem;
  }

  .premium-brand {
    max-width: 100%;
  }

  .menu-button {
    grid-column: 3;
    min-height: 40px;
    padding-inline: 0.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .premium-nav a::after,
  .sign-in-button,
  .menu-button {
    transition: none;
  }
}