.site-header { position: sticky; top: 0; z-index: 50; background: var(--bg); border-bottom: 2px solid var(--color-divider); }
.site-header__inner { max-width: var(--page-max); margin: 0 auto; padding: 12px var(--page-pad); min-height: 60px; display: flex; align-items: center; gap: var(--space-6); }
.brand { display: inline-flex; align-items: center; color: var(--text); margin-right: auto; }
.brand:hover { text-decoration: none; color: var(--text); }
.logo { display: inline-flex; align-items: center; gap: 10px; white-space: nowrap; }
.logo__mark { height: 22px; width: auto; display: block; }
.logo__word { font-size: 16px; letter-spacing: .06em; }
.logo__word-a { font-weight: 400; } .logo__word-b { font-weight: 800; letter-spacing: .02em; }
.site-nav { display: flex; gap: var(--space-6); }
.site-nav a { color: var(--text); font-size: 14px; padding: var(--space-1) 0; white-space: nowrap; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--accent); text-decoration: none; }
.site-utils { display: flex; align-items: center; gap: var(--space-2); }
.header-search { display: flex; align-items: center; gap: var(--space-1); }
.header-search input { min-height: 34px; width: 280px; border: 1px solid var(--color-divider); background: var(--surface); padding: 6px 10px; font-size: 14px; color: var(--text); caret-color: var(--accent); }
.header-search input:hover { border-color: color-mix(in srgb, var(--text) 45%, transparent); }
.header-search input:focus-visible { border-color: var(--accent); outline-offset: 0; }
.page-home .header-search { display: none; }
.menu { display: none; position: relative; }
.menu summary { list-style: none; cursor: pointer; }
.menu summary::-webkit-details-marker { display: none; }
.menu__panel { position: absolute; right: 0; top: 44px; background: var(--bg); border: 2px solid var(--color-divider); display: flex; flex-direction: column; min-width: 220px; padding: var(--space-2); z-index: 60; }
.menu__panel a { padding: var(--space-3) var(--space-4); color: var(--text); font-size: 14px; }
.menu__panel a:hover, .menu__panel a[aria-current="page"] { color: var(--accent); text-decoration: none; }
.page { max-width: var(--page-max); margin: 0 auto; padding: 0 var(--page-pad) var(--space-12); }
.site-footer { border-top: 2px solid var(--color-divider); margin-top: var(--space-12); font-size: 13px; color: var(--color-neutral-700); }
.site-footer__inner { max-width: var(--page-max); margin: 0 auto; padding: 28px var(--page-pad) 40px; display: flex; justify-content: space-between; gap: var(--space-8); flex-wrap: wrap; align-items: center; }
.site-footer__brand { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.site-footer__brand .logo__mark { height: 20px; } .site-footer__brand .logo__word { font-size: 14px; color: var(--text); }
.footer-nav { display: flex; gap: 20px; flex-wrap: wrap; }
@media (max-width: 1099px) { .header-search input { width: 180px; } .site-header__inner { gap: var(--space-4); } .site-nav { gap: var(--space-4); } }
@media (max-width: 899px) {
  .site-nav { display: none; } .menu { display: block; }
  .header-search input { width: 160px; }
}
@media (max-width: 639px) {
  .site-header__inner { gap: var(--space-3); }
  .logo__mark { height: 20px; } .logo__word { font-size: 14px; }
  .header-search input { display: none; }
  .header-search button { display: inline-flex; }
}