.theme-toggle-button{-webkit-tap-highlight-color:transparent;-webkit-appearance:none;-moz-appearance:none;appearance:none;position:relative;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;padding:0;border-radius:var(--radius-pill);border:none;background:var(--surface-2);color:var(--text-primary);cursor:pointer;overflow:hidden;transition:none}.theme-toggle-button:before{content:"";position:absolute;inset:0;border-radius:inherit;background:transparent;box-shadow:inset 0 0 0 1px var(--border-subtle);pointer-events:none;transition:none}@media(hover:hover)and (pointer:fine){.theme-toggle-button:hover{background:var(--background-tertiary)}}.theme-toggle-button:focus{outline:none}.theme-toggle-button:focus-visible{box-shadow:0 0 0 2px var(--background-primary),0 0 0 4px var(--accent-primary)}.theme-toggle-button .theme-icon-wrapper{display:flex;align-items:center;justify-content:center;width:100%;height:100%}.theme-icon{width:18px;height:18px;flex-shrink:0;opacity:.85;transition:opacity var(--motion-fast) ease,transform var(--motion-base) var(--motion-bounce)}[data-theme=light] .theme-toggle-button{background:color-mix(in srgb,var(--background-secondary) 90%,transparent)}[data-theme=dark] .theme-toggle-button{background:#ffffff0f}[data-theme=dark] .theme-toggle-button:before{box-shadow:inset 0 0 0 1px #ffffff14}[data-theme=dark] .theme-toggle-button:hover{background:#ffffff1a}.theme-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.mobile-sheet__footer .theme-toggle-button{width:100%;height:48px;justify-content:center;gap:10px;padding:0 16px;border-radius:var(--radius-md);font-weight:500;font-size:.95rem}.mobile-sheet__footer .theme-toggle-button .theme-label{position:static;width:auto;height:auto;padding:0;margin:0;overflow:visible;clip:unset;white-space:normal}@media(hover:hover)and (pointer:fine){.theme-toggle-button:after{content:attr(data-tooltip);position:absolute;top:calc(100% + 8px);left:50%;transform:translate(-50%) translateY(4px);padding:6px 10px;border-radius:var(--radius-sm);background:var(--text-primary);color:var(--background-primary);font-size:.75rem;font-weight:500;white-space:nowrap;opacity:0;pointer-events:none;transition:none;z-index:100}.theme-toggle-button:hover:after{opacity:1;transform:translate(-50%) translateY(0)}}.landing-header{position:fixed;inset:0 0 auto;z-index:1300;padding-top:env(safe-area-inset-top,0px);background:var(--glass-bg-strong);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--glass-border)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:var(--header-height);max-width:var(--layout-wide);margin-inline:auto;padding-inline:var(--container-gutter)}.header-logo-link{display:flex;flex-shrink:0}.header-logo-link .logo-container{margin:0;padding:0;background:transparent;border:0;box-shadow:none;width:auto}.landing-tabs,.landing-actions{display:flex;align-items:center;gap:6px}.nav-group{position:relative}.nav-trigger{display:flex;align-items:center;gap:6px;min-height:44px;padding:8px 12px;border:0;border-radius:var(--radius-sm);font-size:.875rem;color:var(--text-secondary);cursor:pointer}.nav-trigger:hover,.nav-trigger[aria-expanded=true]{background:var(--surface-2);color:var(--text-primary)}.nav-panel{position:absolute;top:100%;left:0;min-width:220px;padding:18px;border-radius:18px;border:1px solid var(--border-subtle);background:var(--background-secondary);box-shadow:var(--shadow-lg)}.nav-panel__title{margin:0 0 8px;font-size:.75rem;font-weight:600;color:var(--text-secondary)}.nav-panel__link{display:flex;align-items:center;gap:8px;min-height:44px;padding:8px 10px;margin-inline:-8px;border-radius:8px;font-size:.95rem}.nav-panel__link+.nav-panel__link{margin-top:4px}.nav-panel__link:hover,.nav-panel__link.is-active{background:var(--surface-2);color:var(--link-color)}.header-signin-btn,.header-cta-btn,.mobile-download-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 16px;font-size:.875rem;font-weight:500;border-radius:var(--radius-pill);white-space:nowrap}.header-signin-btn{max-width:160px;overflow:hidden;text-overflow:ellipsis;color:var(--text-secondary)}.header-signin-btn:hover{background:var(--surface-2);color:var(--text-primary)}.header-cta-btn{background:var(--text-primary);color:var(--background-primary)}.header-cta-btn:hover{opacity:.85}.mobile-nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;flex-shrink:0;border:0;border-radius:50%;cursor:pointer;color:var(--text-primary)}.mobile-nav-toggle:hover{background:var(--surface-2)}.mobile-download-link,.mobile-drawer{display:none}.mobile-drawer[open]{display:flex;flex-direction:column;position:fixed;inset:0;width:100%;height:100dvh;max-width:none;max-height:none;margin:0;padding:env(safe-area-inset-top,0px) 0 env(safe-area-inset-bottom,0px);border:0;background:var(--background-primary);color:var(--text-primary)}.mobile-drawer::backdrop{background:#0000004d}.mobile-drawer__header{display:flex;justify-content:space-between;align-items:center;flex-shrink:0;min-height:var(--header-height);padding:8px 20px;border-bottom:1px solid var(--border-subtle);font-weight:600}.mobile-drawer__scroll{overflow-y:auto;overscroll-behavior:contain;padding:24px 24px 32px}.mobile-drawer__nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 16px}.mobile-drawer__link{display:flex;align-items:center;gap:6px;min-height:48px;padding:10px 0;font-size:1.05rem;font-weight:500}.mobile-drawer__link.is-active{color:var(--link-color)}.mobile-drawer__actions{display:grid;gap:12px;padding-top:24px;margin-top:24px;border-top:1px solid var(--border-subtle)}.mobile-drawer__btn--primary,.mobile-drawer__btn--secondary{display:flex;align-items:center;justify-content:center;min-height:48px;padding:12px 20px;border-radius:var(--radius-pill);font-weight:500}.mobile-drawer__btn--primary{background:var(--text-primary);color:var(--background-primary)}.mobile-drawer__btn--secondary{background:var(--surface-2)}.mobile-drawer__theme-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px 12px}@media(max-width:1100px){.header-logo-link .logo-title{display:none}.header-inner{gap:10px}.nav-trigger{padding-inline:10px}}@media(max-width:900px){.landing-tabs,.landing-actions{display:none}.landing-header{background:var(--background-primary);backdrop-filter:none;-webkit-backdrop-filter:none}.header-inner{padding-inline:16px;gap:8px}.header-logo-link{margin-right:auto}.header-logo-link .logo-title{display:block;font-size:1rem}.mobile-nav-toggle{display:inline-flex}.mobile-download-link{display:inline-flex;padding-inline:12px;color:var(--link-color)}}@media(max-width:359px){.header-logo-link .logo-title{display:none}.mobile-drawer__scroll{padding-inline:16px}}.site-layout{display:flex;flex-direction:column;min-height:100vh;background-color:var(--background-primary)}.skip-link{position:fixed;top:.75rem;left:.75rem;z-index:10000;transform:translateY(-180%);border-radius:.75rem;background:var(--background-primary);color:var(--text-primary);padding:.75rem 1rem;box-shadow:var(--shadow-lg)}.skip-link:focus-visible{transform:translateY(0)}.site-layout>main{flex-grow:1;padding-top:calc(var(--header-height) + env(safe-area-inset-top,0px))}#main-content{scroll-margin-top:calc(var(--header-height) + 16px)}[id]{scroll-margin-top:calc(var(--header-height) + 24px)}