.header[data-astro-cid-3ef6ksr2]{position:fixed;top:0;left:0;right:0;z-index:100;background:#fbf8f2b8;backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);border-bottom:1px solid transparent;box-shadow:none;transition:background .4s var(--ease-brand),border-color .4s var(--ease-brand),box-shadow .4s var(--ease-brand)}.header[data-astro-cid-3ef6ksr2].scrolled{background:#fbf8f2f0;border-bottom-color:var(--line-soft);box-shadow:0 1px #211c1705}.header-inner[data-astro-cid-3ef6ksr2]{position:relative;display:flex;align-items:center;justify-content:space-between;height:68px;max-width:var(--max-w);margin:0 auto;padding-inline:clamp(1.25rem,5vw,2.5rem)}.header[data-astro-cid-3ef6ksr2].scrolled .header-inner[data-astro-cid-3ef6ksr2]{padding-block:1px}.header-logo[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;line-height:0;transition:transform var(--dur-hover) var(--ease-brand)}.header-logo[data-astro-cid-3ef6ksr2]:hover{color:var(--ink);transform:scale(.96)}.chair-mark[data-astro-cid-3ef6ksr2]{display:block;height:30px;width:auto;flex-shrink:0}.brand-wordmark[data-astro-cid-3ef6ksr2]{font-family:var(--font-h);font-weight:500;font-size:1.06rem;letter-spacing:-.02em;color:var(--ink);line-height:1}.header-nav[data-astro-cid-3ef6ksr2]{position:absolute;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:var(--space-lg)}.header-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{position:relative;font-family:var(--font-mono);font-size:.72rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-meta);padding-block:4px;text-decoration:none;transition:color var(--dur-hover) var(--ease-brand)}.header-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:after{content:"";position:absolute;left:50%;bottom:-3px;width:3px;height:3px;border-radius:50%;background:var(--clay);opacity:0;transform:translate(-50%,-2px);transition:opacity var(--dur-hover) var(--ease-brand),transform var(--dur-hover) var(--ease-brand)}.header-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover,.header-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:focus-visible{color:var(--ink)}.header-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover:after,.header-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:focus-visible:after{opacity:1;transform:translate(-50%)}.header-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2][data-active]{color:var(--ink)}.header-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2][data-active]:after{opacity:1;transform:translate(-50%)}.header-actions[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:var(--space-md)}.lang-dropdown[data-astro-cid-3ef6ksr2]{position:relative}.lang-trigger[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;gap:6px;padding:5px 10px 5px 9px;background:transparent;border:1px solid var(--line);border-radius:var(--radius-chip);color:var(--ink-meta);cursor:pointer;font-family:var(--font-mono);transition:background var(--dur-hover) var(--ease-brand),color var(--dur-hover) var(--ease-brand),border-color var(--dur-hover) var(--ease-brand)}.lang-trigger[data-astro-cid-3ef6ksr2]:hover{color:var(--ink);border-color:var(--line-strong)}.lang-trigger[data-astro-cid-3ef6ksr2]:focus-visible{outline:2px solid var(--ring);outline-offset:2px}.lang-dropdown[data-astro-cid-3ef6ksr2][data-open] .lang-trigger[data-astro-cid-3ef6ksr2]{background:var(--surface-alt);border-color:var(--line-strong);color:var(--ink)}.lang-trigger__flag[data-astro-cid-3ef6ksr2]{font-size:.95rem;line-height:1}.lang-trigger__code[data-astro-cid-3ef6ksr2]{font-size:.66rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase}.lang-trigger__chevron[data-astro-cid-3ef6ksr2]{transition:transform var(--dur-hover) var(--ease-brand);color:currentColor}.lang-dropdown[data-astro-cid-3ef6ksr2][data-open] .lang-trigger__chevron[data-astro-cid-3ef6ksr2]{transform:rotate(180deg)}.lang-menu[data-astro-cid-3ef6ksr2]{position:absolute;right:0;top:calc(100% + 8px);min-width:220px;list-style:none;margin:0;padding:6px;background:var(--surface-alt);backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-lift);z-index:110;opacity:1;transform:translateY(0);transition:opacity var(--dur-hover) var(--ease-brand),transform var(--dur-hover) var(--ease-brand)}.lang-menu[data-astro-cid-3ef6ksr2][hidden]{display:none}.lang-dropdown[data-astro-cid-3ef6ksr2]:not([data-open]) .lang-menu[data-astro-cid-3ef6ksr2]:not([hidden]){opacity:0;transform:translateY(-4px);pointer-events:none}.lang-item[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius-chip);text-decoration:none;color:var(--ink);border-left:2px solid transparent;transition:background var(--dur-hover) var(--ease-brand),border-color var(--dur-hover) var(--ease-brand)}.lang-item[data-astro-cid-3ef6ksr2]:hover,.lang-item[data-astro-cid-3ef6ksr2]:focus-visible{background:#b8643a14;color:var(--ink);outline:none}.lang-item[data-astro-cid-3ef6ksr2]:focus-visible{box-shadow:0 0 0 2px var(--ring)}.lang-item__flag[data-astro-cid-3ef6ksr2]{font-size:1rem;line-height:1}.lang-item__name[data-astro-cid-3ef6ksr2]{font-family:var(--font-body);font-size:.86rem;color:var(--ink);margin-right:auto}.lang-item__code[data-astro-cid-3ef6ksr2]{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-meta)}.lang-item[data-astro-cid-3ef6ksr2][aria-current=page]{border-left-color:var(--clay);background:#b8643a1a}.lang-item[data-astro-cid-3ef6ksr2][aria-current=page] .lang-item__code[data-astro-cid-3ef6ksr2]{color:var(--terracotta-deep)}.btn-header[data-astro-cid-3ef6ksr2]{padding:.6rem 1.05rem;font-size:.74rem;white-space:nowrap;box-shadow:0 1px #ffffff1f inset}.menu-toggle[data-astro-cid-3ef6ksr2]{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;background:transparent;border:1px solid var(--line);border-radius:var(--radius-card);cursor:pointer;padding:0 9px;color:var(--ink)}.menu-toggle[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]{display:block;height:1.5px;width:100%;background:currentColor;border-radius:1px;transition:transform .3s var(--ease-brand),opacity .2s var(--ease-brand)}.menu-toggle[data-astro-cid-3ef6ksr2].is-open span[data-astro-cid-3ef6ksr2]:nth-child(1){transform:translateY(6.5px) rotate(45deg)}.menu-toggle[data-astro-cid-3ef6ksr2].is-open span[data-astro-cid-3ef6ksr2]:nth-child(2){opacity:0}.menu-toggle[data-astro-cid-3ef6ksr2].is-open span[data-astro-cid-3ef6ksr2]:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}.mobile-overlay[data-astro-cid-3ef6ksr2]{position:fixed;inset:0;z-index:99;visibility:hidden;pointer-events:none}.mobile-overlay[data-astro-cid-3ef6ksr2][data-state=open]{visibility:visible;pointer-events:auto}.mobile-scrim[data-astro-cid-3ef6ksr2]{position:absolute;inset:0;background:#211c176b;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);opacity:0;transition:opacity .3s var(--ease-brand);cursor:pointer}.mobile-overlay[data-astro-cid-3ef6ksr2][data-state=open] .mobile-scrim[data-astro-cid-3ef6ksr2]{opacity:1}.mobile-sheet[data-astro-cid-3ef6ksr2]{position:absolute;inset:auto 0 0;background:var(--surface);border-top-left-radius:var(--radius-photo);border-top-right-radius:var(--radius-photo);border-top:1px solid var(--line);box-shadow:var(--shadow-lift);padding:clamp(1.25rem,5vw,2rem) clamp(1.25rem,5vw,2rem) calc(clamp(1.25rem,5vw,2rem) + env(safe-area-inset-bottom));transform:translateY(100%);transition:transform .45s var(--ease-brand);will-change:transform}.mobile-overlay[data-astro-cid-3ef6ksr2][data-state=open] .mobile-sheet[data-astro-cid-3ef6ksr2]{transform:translateY(0)}.mobile-close[data-astro-cid-3ef6ksr2]{position:absolute;top:14px;right:14px;width:36px;height:36px;display:grid;place-items:center;background:transparent;border:1px solid var(--line);border-radius:50%;color:var(--ink);cursor:pointer;transition:color var(--dur-hover) var(--ease-brand),border-color var(--dur-hover) var(--ease-brand)}.mobile-close[data-astro-cid-3ef6ksr2]:hover{color:var(--terracotta-deep);border-color:var(--line-strong)}.mobile-nav[data-astro-cid-3ef6ksr2]{display:flex;flex-direction:column;gap:18px;margin-top:var(--space-sm);margin-bottom:var(--space-lg)}.mobile-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{position:relative;font-family:var(--font-h);font-weight:500;font-size:1.75rem;letter-spacing:-.01em;color:var(--ink);text-decoration:none;opacity:0;transform:translateY(8px);transition:opacity .35s var(--ease-brand),transform .35s var(--ease-brand),color var(--dur-hover) var(--ease-brand);transition-delay:calc(var(--i, 0) * 40ms)}.mobile-overlay[data-astro-cid-3ef6ksr2][data-state=open] .mobile-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{opacity:1;transform:translateY(0)}.mobile-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:after{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--clay);margin-left:10px;vertical-align:middle;opacity:0;transform:translateY(-2px);transition:opacity var(--dur-hover) var(--ease-brand),transform var(--dur-hover) var(--ease-brand)}.mobile-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{color:var(--ink)}.mobile-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover:after{opacity:1;transform:translateY(0)}.mobile-divider[data-astro-cid-3ef6ksr2]{height:1px;background:var(--line-soft);margin-block:var(--space-xs)}.lang-switch--mobile[data-astro-cid-3ef6ksr2]{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:var(--space-lg)}.lang-chip[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 6px;border-radius:var(--radius-chip);border:1px solid var(--line);font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-meta);text-decoration:none;transition:color var(--dur-hover) var(--ease-brand),border-color var(--dur-hover) var(--ease-brand),background var(--dur-hover) var(--ease-brand)}.lang-chip__flag[data-astro-cid-3ef6ksr2]{font-size:.95rem;line-height:1}.lang-chip[data-astro-cid-3ef6ksr2]:hover{color:var(--ink);border-color:var(--line-strong)}.lang-chip[data-astro-cid-3ef6ksr2]:focus-visible{outline:2px solid var(--ring);outline-offset:2px}.lang-chip[data-astro-cid-3ef6ksr2][aria-current=page]{background:var(--ink);color:var(--on-ink);border-color:var(--ink)}.mobile-cta[data-astro-cid-3ef6ksr2]{width:100%;box-shadow:0 1px #ffffff1f inset}@media(max-width:860px){.header-nav[data-astro-cid-3ef6ksr2],.header-actions[data-astro-cid-3ef6ksr2] .lang-dropdown[data-astro-cid-3ef6ksr2],.header-actions[data-astro-cid-3ef6ksr2] .lang-switch[data-astro-cid-3ef6ksr2]{display:none}.header-actions[data-astro-cid-3ef6ksr2] .btn-header[data-astro-cid-3ef6ksr2]{display:inline-flex;padding:.5rem .9rem;font-size:.7rem}.header-actions[data-astro-cid-3ef6ksr2]{gap:var(--space-sm)}.menu-toggle[data-astro-cid-3ef6ksr2]{display:flex}}@media(max-width:360px){.header-logo[data-astro-cid-3ef6ksr2] .brand-wordmark[data-astro-cid-3ef6ksr2]{display:none}.header-logo[data-astro-cid-3ef6ksr2] .chair-mark[data-astro-cid-3ef6ksr2]{height:30px}}@media(prefers-reduced-motion:reduce){.mobile-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{opacity:1;transform:none;transition-delay:0ms}}