.st-site-header { position: sticky; top: 0; z-index: 1000; width: 100%; background: rgba(248,250,252,.96); border-bottom: 1px solid rgba(15,23,42,.06); backdrop-filter: blur(10px); font: 15px/1.4 Inter, Arial, sans-serif; }
.st-site-header, .st-site-header * { box-sizing: border-box; }
.admin-bar .st-site-header { top: 32px; }
.st-site-header .st-site-header__inner { width: min(1180px, calc(100% - 48px)); margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: 28px; padding: 16px 0; }
.st-site-header a { text-decoration: none; }
.st-site-header .st-site-header__brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; color: #0f172a; font-size: 20px; line-height: 1.2; font-weight: 800; letter-spacing: -.03em; }
.st-site-header .st-site-header__brand img { display: block; flex: 0 0 auto; width: auto; height: 34px; max-width: none; aspect-ratio: 481 / 537; object-fit: contain; }
.st-site-header__brand strong { display: block; color: #2563eb; font-weight: inherit; }
.st-site-header__nav { display: flex; align-items: center; justify-content: center; gap: 24px; }
.st-site-header .st-site-header__nav a { color: #334155; font-size: 15px; white-space: nowrap; }
.st-site-header .st-site-header__nav a:hover, .st-site-header .st-site-header__nav a[aria-current] { color: #2563eb; }
.st-site-header .st-site-header__button { display: inline-flex; justify-content: center; align-items: center; flex-shrink: 0; justify-self: end; width: 220px; white-space: nowrap; padding: 14px 22px; border-radius: 14px; background: #2563eb; color: #fff; font-size: 15px; font-weight: 600; box-shadow: 0 10px 30px rgba(37,99,235,.2); }
.st-site-header .st-site-header__button:hover { background: #1d4ed8; }
.st-site-header a:focus-visible { outline: 3px solid #2563eb; outline-offset: 5px; }
@media (max-width: 980px) {
    .st-site-header .st-site-header__inner { grid-template-columns: minmax(0, 1fr) 220px; gap: 16px; }
    .st-site-header__nav { grid-row: 2; grid-column: 1 / -1; width: 100%; }
    .st-site-header__button { margin-left: auto; }
}
@media (max-width: 782px) { .admin-bar .st-site-header { top: 46px; } }
@media (max-width: 520px) {
    .st-site-header .st-site-header__inner { width: calc(100% - 32px); grid-template-columns: minmax(0, 1fr) 180px; padding: 12px 0; gap: 14px; }
    .st-site-header .st-site-header__brand { gap: 8px; font-size: 13px; }
    .st-site-header .st-site-header__button { width: 180px; padding: 11px 14px; font-size: 14px; border-radius: 12px; }
    .st-site-header__nav { justify-content: space-between; gap: 8px; }
    .st-site-header .st-site-header__nav a { font-size: 12px; }
}
@media (max-width: 600px) { .admin-bar .st-site-header { top: 0; } }
@media print { .st-site-header { display: none; } }
@media (max-width: 380px) {
    .st-site-header .st-site-header__brand { gap: 6px; font-size: 11px; }
    .st-site-header .st-site-header__brand img { height: 28px; }
    .st-site-header .st-site-header__brand > span { display: none; }
}