/* Header-specific enhancements for Style Vision 2026 */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
}

.site-header__inner {
  gap: 1.5rem;
}

.site-header__brand {
  display: flex;
  align-items: center;
}

.site-logo {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
}

.site-logo__primary {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.site-logo__year {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary-strong);
}

.site-header__nav {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.5rem;
}

.site-header__nav-inner {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.75rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-nav__item {
  list-style: none;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-header__search {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  border-bottom: 1px solid var(--gray-300);
}

.site-header__search-input {
  border: none;
  min-width: 10rem;
  font-size: var(--font-size-xs);
}

.site-header__search-input:focus-visible {
  border: none;
  box-shadow: none;
}

.site-header__search-button {
  padding-inline: 0.25rem;
  color: var(--gray-600);
}

.site-header__search-button:hover {
  color: var(--color-primary-strong);
}

.site-header__cta {
  font-size: var(--font-size-xs);
}

/* Mobile toggle */
.site-header__toggle {
  display: none;
  align-items: center;
  gap: 0.55rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--gray-300);
  background-color: rgba(255, 255, 255, 0.85);
}

.site-header__toggle-label {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-header__toggle-icon {
  position: relative;
  width: 18px;
  height: 12px;
}

.site-header__toggle-icon::before,
.site-header__toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--color-text);
  transition: transform var(--transition-normal), top var(--transition-normal), opacity var(--transition-normal);
}

.site-header__toggle-icon::before {
  top: 2px;
}

.site-header__toggle-icon::after {
  top: 9px;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::before {
  top: 5.5px;
  transform: rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::after {
  top: 5.5px;
  transform: rotate(-45deg);
}

/* Responsive behaviour */
@media (max-width: 900px) {
  .site-header__nav {
    align-items: center;
  }

  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__nav-inner {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: rgba(248, 245, 242, 0.97);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    padding-block: 0.75rem 0.85rem;
    padding-inline: var(--container-padding-x);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .site-header__nav-inner.is-open {
    display: flex;
  }

  .site-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }

  .site-header__actions {
    justify-content: space-between;
    gap: 0.75rem;
  }

  .site-header__search {
    flex: 1;
  }

  .site-header__search-input {
    min-width: 0;
  }

  .site-header__cta {
    white-space: nowrap;
  }
}

@media (max-width: 640px) {
  .site-header__inner {
    gap: 0.75rem;
  }

  .site-header__search-input::placeholder {
    font-size: 0.7rem;
  }
}