.hdr[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:var(--z-sticky);background:color-mix(in oklch,var(--bg) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.hdr__inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:24px;height:62px}.brand[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:baseline;gap:8px;color:var(--ink);text-decoration:none}.brand[data-astro-cid-3ef6ksr2]:hover{text-decoration:none}.brand__mark[data-astro-cid-3ef6ksr2]{font-family:var(--mono);font-weight:700;font-size:1.15rem;color:var(--primary-ink);letter-spacing:-.02em}.brand__note[data-astro-cid-3ef6ksr2]{font-family:var(--mono);font-size:.72rem;color:var(--faint)}.hdr__nav[data-astro-cid-3ef6ksr2]{display:flex;gap:4px;margin-left:auto;font-size:.95rem}.hdr__item[data-astro-cid-3ef6ksr2]{position:relative}.hdr__top[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;gap:4px;color:var(--muted);padding:8px 10px;border-radius:var(--radius-sm)}.hdr__top[data-astro-cid-3ef6ksr2]:hover{color:var(--ink);text-decoration:none;background:var(--surface)}.hdr__caret[data-astro-cid-3ef6ksr2]{font-size:.6rem;color:var(--faint)}.hdr__menu[data-astro-cid-3ef6ksr2]{position:absolute;top:100%;left:0;min-width:220px;display:flex;flex-direction:column;gap:2px;padding:8px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 32px #1c1f251a;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .14s var(--ease),transform .14s var(--ease),visibility .14s;z-index:var(--z-dropdown)}.hdr__item[data-astro-cid-3ef6ksr2]:hover .hdr__menu[data-astro-cid-3ef6ksr2],.hdr__item[data-astro-cid-3ef6ksr2]:focus-within .hdr__menu[data-astro-cid-3ef6ksr2]{opacity:1;visibility:visible;transform:none}.hdr__menu[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{color:var(--muted);padding:8px 10px;border-radius:var(--radius-sm);font-size:.92rem}.hdr__menu[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{color:var(--ink);background:var(--surface);text-decoration:none}.hdr__actions[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:14px;margin-left:8px}.hdr__lang[data-astro-cid-3ef6ksr2]{font-family:var(--mono);font-size:.82rem;color:var(--muted);border:1px solid var(--line-strong);border-radius:6px;padding:4px 9px}.hdr__lang[data-astro-cid-3ef6ksr2]:hover{color:var(--ink);border-color:var(--muted);text-decoration:none}.hdr__cta[data-astro-cid-3ef6ksr2]{padding:.5em 1.1em;font-size:.92rem}.nav-toggle[data-astro-cid-3ef6ksr2],.nav-burger[data-astro-cid-3ef6ksr2]{display:none}@media(max-width:900px){.hdr__inner[data-astro-cid-3ef6ksr2]{gap:12px;flex-wrap:wrap}.brand__note[data-astro-cid-3ef6ksr2]{display:none}.nav-burger[data-astro-cid-3ef6ksr2]{order:3;margin-left:auto;display:inline-flex;flex-direction:column;gap:4px;width:44px;height:44px;align-items:center;justify-content:center;cursor:pointer;border:1px solid var(--line-strong);border-radius:var(--radius-sm)}.nav-burger[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]{width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s var(--ease)}.hdr__actions[data-astro-cid-3ef6ksr2]{order:2;margin-left:auto}.hdr__nav[data-astro-cid-3ef6ksr2]{order:4;flex-basis:100%;flex-direction:column;gap:2px;margin-left:0;max-height:0;overflow:hidden;transition:max-height .25s var(--ease)}.nav-toggle[data-astro-cid-3ef6ksr2]:checked~.hdr__nav[data-astro-cid-3ef6ksr2]{max-height:80vh;overflow-y:auto;padding-bottom:12px}.nav-toggle[data-astro-cid-3ef6ksr2]:checked~.nav-burger[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]:nth-child(1){transform:translateY(6px) rotate(45deg)}.nav-toggle[data-astro-cid-3ef6ksr2]:checked~.nav-burger[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]:nth-child(2){opacity:0}.nav-toggle[data-astro-cid-3ef6ksr2]:checked~.nav-burger[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.hdr__item[data-astro-cid-3ef6ksr2]{position:static}.hdr__top[data-astro-cid-3ef6ksr2]{padding:12px 6px;font-size:1rem}.hdr__caret[data-astro-cid-3ef6ksr2]{display:none}.hdr__menu[data-astro-cid-3ef6ksr2]{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 6px 16px;min-width:0;border-left:2px solid var(--line)}}