.masthead-sentinel{pointer-events:none;width:1px;height:6px;position:absolute;top:0;left:0}.masthead{border-bottom:var(--stroke-hair) solid var(--rule);background:color-mix(in srgb, var(--paper-wash) 82%, transparent);-webkit-backdrop-filter:saturate(1.1)blur(10px);backdrop-filter:saturate(1.1)blur(10px);z-index:50;transition:border-bottom-color var(--dur-settle) var(--ease-quaderno);position:sticky;top:0}.masthead:after{content:"";pointer-events:none;box-shadow:var(--shadow-masthead);opacity:0;transition:opacity var(--dur-settle) var(--ease-glide);position:absolute;inset:0}.masthead.is-scrolled{border-bottom-color:#0000}.masthead.is-scrolled:after{opacity:1}.masthead .inner{max-width:var(--container-shell);padding:calc(var(--spacing-lg) + env(safe-area-inset-top,0px)) max(var(--page-x), env(safe-area-inset-right,0px)) var(--spacing-lg) max(var(--page-x), env(safe-area-inset-left,0px));justify-content:space-between;align-items:center;gap:var(--spacing-xs) var(--spacing-md);margin:0 auto;display:flex;position:relative}.wordmark{align-items:center;gap:var(--spacing-sm);flex:none;min-block-size:44px;min-inline-size:44px;display:inline-flex}.wordmark-name{font-weight:var(--font-weight-semibold);font-size:var(--text-2xl);line-height:var(--leading-none);letter-spacing:var(--tracking-tight);transition:color var(--dur-quick) var(--ease-quaderno), --fr-soft var(--dur-settle) var(--ease-quaderno);font-style:italic}.wordmark-rule{width:var(--stroke-drawn);background:var(--margine);opacity:.65;height:1.05rem}.wordmark-sub{font-size:var(--text-2xs);line-height:var(--leading-none)}.wordmark:hover .wordmark-name{color:var(--margine);--fr-soft:70}.nav-wrapper,.nav-controls{align-items:center;gap:var(--spacing-xs);display:flex}.masthead .nav{align-items:center;gap:clamp(.75rem,3vw,1.6rem);min-block-size:44px;display:flex}.menu-toggle{appearance:none;border-radius:var(--radius-pill);width:2.75rem;height:2.75rem;cursor:pointer;min-block-size:44px;min-inline-size:44px;color:var(--ink-soft);transition:color var(--dur-quick) var(--ease-quaderno), transform var(--dur-settle) var(--ease-quaderno);background:0 0;border:none;place-items:center;padding:0;display:none;position:relative}.menu-toggle:hover{color:var(--margine);transform:scale(1.08)}.menu-toggle:active{transform:scale(.92)}.menu-toggle:focus-visible{box-shadow:var(--focus-ring);outline:none}.menu-icon{stroke:currentColor;stroke-width:1.75px;stroke-linecap:round;width:1.35rem;height:1.35rem}.menu-icon .line{transform-origin:50%;transition:transform var(--dur-settle) var(--ease-quaderno), opacity var(--dur-quick) var(--ease-quaderno)}.menu-toggle.is-open .line-top{transform:translateY(5px)rotate(45deg)}.menu-toggle.is-open .line-mid{opacity:0;transform:scaleX(0)}.menu-toggle.is-open .line-bot{transform:translateY(-5px)rotate(-45deg)}.nav-link{min-block-size:44px;min-inline-size:44px;font-family:var(--font-ui);font-weight:var(--font-weight-medium);font-size:var(--text-sm);letter-spacing:var(--tracking-ui);color:var(--ink-soft);transition:color var(--dur-quick) var(--ease-quaderno);align-items:center;padding-bottom:4px;display:inline-flex;position:relative}.nav-link:after{content:"";height:var(--stroke-drawn);background:var(--margine);transform-origin:0;transition:transform var(--dur-settle) var(--ease-quaderno);position:absolute;bottom:0;left:0;right:0;transform:scaleX(0)}.nav-link:hover{color:var(--ink)}.nav-link:hover:after,.nav-link.active:after{transform:scaleX(1)}.nav-link.active{color:var(--ink)}@media (hover:none){.wordmark:active .wordmark-name{color:var(--margine);--fr-soft:70}.nav-link:active{color:var(--ink)}.nav-link:active:after{transform:scaleX(1)}}.nav-sep{width:var(--stroke-hair);background:var(--rule-strong);height:1.1rem;margin:0 clamp(.1rem,1vw,.4rem)}.masthead .theme-toggle{appearance:none;border-radius:var(--radius-pill);width:2.75rem;height:2.75rem;cursor:pointer;min-block-size:44px;min-inline-size:44px;color:var(--ink-soft);transition:color var(--dur-quick) var(--ease-quaderno), transform var(--dur-settle) var(--ease-quaderno);background:0 0;border:none;place-items:center;padding:0;display:grid;position:relative;overflow:hidden}.masthead .theme-toggle:hover{color:var(--margine);transform:scale(1.08)}.masthead .theme-toggle:active{transform:scale(.92)}.masthead .theme-toggle:focus-visible{box-shadow:var(--focus-ring);outline:none}.masthead .theme-toggle .icon{width:1.24rem;height:1.24rem;transition:opacity var(--dur-settle) var(--ease-glide), transform var(--dur-enter) var(--ease-quaderno);background-color:currentColor;position:absolute}.masthead .icon-sun{opacity:1;transform:translateY(0)scale(1)}.masthead .icon-warm,.masthead .icon-moon{opacity:0;transform:translateY(70%)scale(.7)}html[data-theme=warm] .masthead .icon-sun{opacity:0;transform:translateY(-70%)scale(.7)}html[data-theme=warm] .masthead .icon-warm{opacity:1;transform:translateY(0)scale(1)}html[data-theme=warm] .masthead .icon-moon{opacity:0;transform:translateY(70%)scale(.7)}html[data-theme=dark] .masthead .icon-sun,html[data-theme=dark] .masthead .icon-warm{opacity:0;transform:translateY(-70%)scale(.7)}html[data-theme=dark] .masthead .icon-moon{opacity:1;transform:translateY(0)scale(1)}.nav-mobile-theme{display:none}.theme-pills{align-items:center;gap:var(--spacing-xs);width:100%;display:flex}.theme-pill{appearance:none;background:color-mix(in srgb, var(--rule) 40%, transparent);border:var(--stroke-hair) solid var(--rule);border-radius:var(--radius-pill);justify-content:center;align-items:center;gap:var(--spacing-2xs);min-block-size:40px;font-family:var(--font-ui);font-size:var(--text-xs);font-weight:var(--font-weight-medium);color:var(--ink-soft);cursor:pointer;transition:background-color var(--dur-quick) var(--ease-quaderno), border-color var(--dur-quick) var(--ease-quaderno), color var(--dur-quick) var(--ease-quaderno);flex:1;padding:.35rem .75rem;display:inline-flex}.theme-pill:hover{color:var(--ink);border-color:var(--rule-strong)}.theme-pill.active{background:var(--paper-raised);border-color:var(--margine);color:var(--margine);box-shadow:0 1px 3px #1f1f2614}.theme-pill .pill-icon{background-color:currentColor;width:.9rem;height:.9rem}@media (max-width:42rem){.menu-toggle{display:grid}.nav-controls .theme-toggle,.nav-controls .nav-sep{display:none}.masthead .nav{align-items:flex-start;gap:var(--spacing-2xs);padding:var(--spacing-sm) max(var(--page-x), env(safe-area-inset-right,0px)) var(--spacing-md) max(var(--page-x), env(safe-area-inset-left,0px));background:color-mix(in srgb, var(--paper-wash) 95%, var(--paper));-webkit-backdrop-filter:saturate(1.1)blur(12px);backdrop-filter:saturate(1.1)blur(12px);border-bottom:var(--stroke-hair) solid var(--rule);box-shadow:var(--shadow-card);opacity:0;visibility:hidden;pointer-events:none;transition:opacity var(--dur-settle) var(--ease-quaderno), transform var(--dur-settle) var(--ease-quaderno), visibility var(--dur-settle) var(--ease-quaderno);flex-direction:column;position:absolute;top:100%;left:0;right:0;transform:translateY(-8px)}.masthead .nav.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}.nav-link{width:100%;font-size:var(--text-base);padding-bottom:2px}.nav-mobile-theme{gap:var(--spacing-xs);width:100%;margin-top:var(--spacing-xs);padding-top:var(--spacing-sm);border-top:var(--stroke-hair) solid var(--rule);flex-direction:column;display:flex}.nav-mobile-theme-label{color:var(--ink-faint)}}@media (max-width:26rem){.wordmark-rule,.wordmark-sub,.nav-sep{display:none}}