:root{--echo-header-height:var(--echo-layout-nav-height);--echo-nav-offset:var(--echo-header-height);--echo-tabbar-height:4.5rem;--echo-container:min(100% - 2 * var(--echo-layout-gutter), var(--echo-layout-content-width));--echo-page-width:64rem;--echo-menu-background:var(--echo-color-surface-solid);--echo-pattern:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='48' viewBox='0 0 48 48'%3E%3Cpath d='M10 14l6-4M34 38l6-4M34 14l6-4M10 38l6-4' stroke='rgba(255,255,255,0.14)' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");accent-color:var(--echo-color-ink)}.pill[data-open] .pill-links,.echo-popover.popover,.echo-menu-popover.dropdown__popover,.echo-toast-region .toast{--echo-color-text:var(--echo-color-solid-text);--echo-color-text-muted:var(--echo-color-solid-text-muted);--echo-color-text-subtle:var(--echo-color-solid-text-subtle);--echo-color-surface:var(--echo-color-solid-surface);--echo-color-surface-raised:var(--echo-color-solid-surface);--echo-color-surface-hover:var(--echo-color-solid-surface);--echo-color-ink:var(--echo-color-solid-ink);--echo-color-ink-hover:var(--echo-color-solid-ink);--echo-color-text-inverse:var(--echo-color-solid-ink-text);--echo-color-border:var(--echo-color-solid-border);--echo-color-focus:var(--echo-color-solid-ink);--echo-shadow-focus:inset 0 0 0 2px var(--echo-color-solid-ink);--foreground:var(--echo-color-solid-text);--muted:var(--echo-color-solid-text-subtle);--surface:var(--echo-color-solid-surface);--surface-hover:var(--echo-color-solid-surface);--default:var(--echo-color-solid-surface);--default-hover:var(--echo-color-solid-surface);--accent:var(--echo-color-solid-ink);--accent-foreground:var(--echo-color-solid-ink-text);--accent-hover:var(--echo-color-solid-ink);--border:var(--echo-color-solid-border);--focus:var(--echo-color-solid-ink);--link:var(--echo-color-solid-text);color:var(--echo-color-text)}*,:before,:after{box-sizing:border-box}html{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-family:var(--echo-font-sans);font-size:16px;font-weight:var(--echo-font-weight-regular);line-height:var(--echo-line-height-snug);letter-spacing:var(--echo-letter-spacing-body);background:var(--echo-color-background);color:var(--echo-color-text);-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased;scroll-padding-top:calc(var(--echo-nav-offset) + var(--echo-space-4))}@media (min-width:1440px){html{font-size:16.8px}}@media (min-width:1600px){html{font-size:17.6px}}@media (min-width:1920px){html{font-size:19.2px}}@media (min-width:2560px){html{font-size:24px}}body{background:var(--echo-color-background);flex-direction:column;min-height:100dvh;margin:0;display:flex}::selection{background:var(--echo-color-ink);color:var(--echo-color-text-inverse)}h1,h2,h3,h4{font-weight:var(--echo-font-weight-medium);letter-spacing:var(--echo-letter-spacing-heading);line-height:var(--echo-line-height-tight);text-wrap:balance;margin:0}p{margin:0}strong,b{font-weight:var(--echo-font-weight-semibold)}a{color:var(--echo-color-text);text-underline-offset:.18em;text-decoration:underline;text-decoration-thickness:1px;-webkit-text-decoration-color:var(--echo-color-border);text-decoration-color:var(--echo-color-border);transition:color var(--echo-motion-normal) var(--echo-motion-easing), text-decoration-color var(--echo-motion-normal) var(--echo-motion-easing)}@media (hover:hover){a:hover{text-decoration-color:currentColor}}:focus-visible{outline:2px solid var(--echo-color-focus);outline-offset:3px}:where(a,summary):focus-visible{border-radius:var(--echo-radius-sm)}[tabindex="-1"]:focus{outline:none}img,video,svg{max-width:100%;height:auto}pre,code{overflow-wrap:anywhere}code{font-family:var(--echo-font-mono);font-size:.875em}hr{background:var(--echo-color-hairline);border:0;width:100%;height:1px;margin:0}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.skip-link{left:var(--echo-layout-gutter);padding:0 var(--echo-space-4);line-height:var(--echo-layout-control-height);font-weight:var(--echo-font-weight-medium);background:var(--echo-color-ink);color:var(--echo-color-text-inverse);border-radius:var(--echo-radius-pill);z-index:30;transition:top var(--echo-motion-fast) var(--echo-motion-easing);text-decoration:none;position:fixed;top:-100px}.skip-link:focus{top:var(--echo-space-4)}.topbar{z-index:20;height:var(--echo-header-height);padding-inline:var(--echo-layout-gutter);background:var(--echo-color-background);position:fixed;inset:0 0 auto}.pill{align-items:center;gap:var(--echo-space-8);width:100%;height:100%;margin-inline:auto;display:flex;position:relative}.pill-start,.pill-end{align-items:center;gap:inherit;flex:1 1 0;min-width:max-content;display:flex}.pill-end{justify-content:flex-end}.theme-picker{flex:none;margin-left:auto;position:relative}.theme-picker-trigger{width:var(--echo-layout-control-height);height:var(--echo-layout-control-height);background:var(--echo-color-surface);cursor:pointer;min-height:0;transition:background var(--echo-motion-fast) var(--echo-motion-easing);border:0;border-radius:50%;justify-content:center;align-items:center;padding:0;display:inline-flex}@media (hover:hover){.theme-picker-trigger:hover{background:var(--echo-color-surface-hover)}}.theme-picker-mark{width:1.25rem;height:1.25rem;box-shadow:inset 0 0 0 1.5px var(--echo-color-text-subtle);border-radius:50%;display:block}.theme-picker-panel{top:calc(100% + var(--echo-space-3));z-index:1;height:0;padding-inline:var(--echo-space-2);border-radius:var(--echo-radius-pill);background:var(--echo-color-ink);box-shadow:var(--echo-shadow-soft);--echo-color-focus:var(--echo-color-text-inverse);opacity:0;visibility:hidden;transition:height var(--echo-motion-fast) var(--echo-motion-easing), opacity var(--echo-motion-fast) var(--echo-motion-easing), visibility 0s linear var(--echo-motion-fast);align-items:center;gap:.625rem;display:flex;position:absolute;right:0}.theme-picker-panel[data-open]{height:var(--echo-layout-control-height);opacity:1;visibility:visible;transition-delay:0s}.theme-picker-swatch{cursor:pointer;width:1.5rem;height:1.5rem;min-height:0;transition:width var(--echo-motion-fast) var(--echo-motion-easing), height var(--echo-motion-fast) var(--echo-motion-easing);border:0;border-radius:50%;flex:none;padding:0;position:relative}.theme-picker-swatch:before{content:"";border-radius:inherit;background:var(--echo-color-surface-hover);opacity:0;transition:opacity var(--echo-motion-fast) var(--echo-motion-easing);position:absolute;inset:0}@media (hover:hover){.theme-picker-swatch:hover:before{opacity:1}}.theme-picker-swatch[aria-checked=true]{border:2px solid color-mix(in srgb, var(--echo-color-text-inverse) 20%, transparent);width:2rem;height:2rem}.theme-picker-swatch[aria-checked=true]:before{display:none}.theme-picker-swatch[data-swatch=dark][aria-checked=true]{border-color:var(--echo-color-border)}.brand{flex:none;align-items:center;margin:0;line-height:1;display:inline-flex}.wordmark{height:auto;display:block}.wordmark-inverse[data-tone=canvas]{display:var(--echo-brand-wordmark-inverse)}.wordmark-ink[data-tone=canvas]{display:var(--echo-brand-wordmark-ink)}.pill-links,.segmented-links{align-items:center;gap:var(--echo-space-1);padding:var(--echo-space-1);border-radius:var(--echo-radius-pill);background:var(--echo-color-surface);flex:none;margin:0;list-style:none;display:flex}.pill-links a,.segmented-links a{min-height:2.25rem;padding:0 var(--echo-space-4);color:var(--echo-color-text-subtle);font-size:var(--echo-font-size-sm);font-weight:var(--echo-font-weight-medium);letter-spacing:var(--echo-letter-spacing-caption);border-radius:var(--echo-radius-pill);white-space:nowrap;transition:color var(--echo-motion-normal) var(--echo-motion-easing), background var(--echo-motion-fast) linear;align-items:center;text-decoration:none;display:inline-flex;position:relative}@media (hover:hover){.pill-links a:hover,.segmented-links a:hover{color:var(--echo-color-text);text-decoration:none}}.pill-links a[aria-current=page],.segmented-links a[aria-current=page]{color:var(--echo-color-text-inverse)}.segmented-nav{--segmented-ring-room:5px;scrollbar-width:none;padding:var(--segmented-ring-room);margin:calc(-1 * var(--segmented-ring-room));margin-bottom:calc(var(--echo-space-8) - var(--segmented-ring-room));overflow-x:auto}.segmented-nav::-webkit-scrollbar{display:none}.segmented-links{width:max-content}.pill-actions{align-items:center;gap:var(--echo-space-2);flex:none;display:flex}.pill-actions-inner{display:contents}.pill-actions .button-link{min-height:var(--echo-layout-control-height)}.pill-identity{flex:none;display:inline-flex}.pill-identity .avatar{width:var(--echo-layout-control-height);height:var(--echo-layout-control-height);font-size:var(--echo-font-size-md)}button.avatar-trigger{background:0 0;border-radius:50%;min-height:0;padding:0;display:inline-flex}@media (hover:hover){button.avatar-trigger:hover:not(:disabled){background:0 0}}button.avatar-trigger[data-pressed=true]{background:0 0;transform:scale(.98)}button.avatar-trigger:focus-visible,button.avatar-trigger[data-focus-visible=true]{outline:2px solid var(--echo-color-focus);outline-offset:3px;box-shadow:none}.pill-toggle{width:var(--echo-layout-control-height);height:var(--echo-layout-control-height);background:var(--echo-color-surface);border:0;border-radius:50%;flex:none;min-height:0;padding:0;display:none;position:relative}@media (hover:hover){.pill-toggle:hover:not(:disabled){background:var(--echo-color-surface-hover)}}.pill-toggle-icon{width:18px;height:2px;margin:-1px 0 0 -9px;position:absolute;top:50%;left:50%}.pill-toggle-icon:before,.pill-toggle-icon:after{content:"";background:var(--echo-color-ink);width:18px;height:2px;transition:transform var(--echo-motion-normal) var(--echo-motion-easing);border-radius:2px;position:absolute;top:0;left:0}.pill-toggle-icon:before{transform:translateY(-4px)}.pill-toggle-icon:after{transform:translateY(4px)}.pill[data-open] .pill-toggle-icon:before{transform:rotate(45deg)}.pill[data-open] .pill-toggle-icon:after{transform:rotate(-45deg)}@keyframes pill-menu-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.pill[data-open] .pill-links{gap:var(--echo-space-1);padding:var(--echo-space-2);max-height:calc(100dvh - var(--echo-nav-offset) - var(--echo-space-4));border-radius:var(--echo-radius-lg);background:var(--echo-menu-background);border:1px solid var(--echo-color-border);box-shadow:var(--echo-shadow-soft);animation:pill-menu-in var(--echo-motion-normal) var(--echo-motion-easing-out);margin:0;display:grid;position:absolute;top:100%;left:0;right:0;overflow-y:auto}.pill[data-open] .pill-links a{min-height:var(--echo-layout-control-height);width:100%;font-size:var(--echo-font-size-md);color:var(--echo-color-text);border-radius:var(--echo-radius-sm);justify-content:flex-start}.pill[data-open] .pill-links a[aria-current=page]{color:var(--echo-color-text);background:var(--echo-color-surface)}.pill[data-open] .pill-links .segmented-thumb{display:none}@media (max-width:1199px){.pill-app .pill-toggle{justify-content:center;align-items:center;display:inline-flex}.pill-app:not([data-open]) .pill-links{display:none}}.pill-link-menu{display:none}@media (max-width:720px){:root{--echo-header-height:4rem}.topbar{padding-inline:var(--echo-space-4)}.pill{gap:var(--echo-space-3)}.pill:not(.pill-app) .pill-actions{display:none}.pill-link-menu{display:block}.pill .pill-toggle{justify-content:center;align-items:center;display:inline-flex}.pill:not([data-open]) .pill-links{display:none}.pill .theme-picker{position:static}.pill .theme-picker-panel{right:0}}.tabbar{display:none}@media (max-width:720px){.tabbar{z-index:20;height:calc(var(--echo-tabbar-height) + env(safe-area-inset-bottom,0px));padding:var(--echo-space-1) var(--echo-space-4) env(safe-area-inset-bottom,0px);background:var(--echo-color-background);border-top:1px solid var(--echo-color-hairline);display:flex;position:fixed;bottom:0;left:0;right:0}.tabbar a{align-content:start;justify-items:center;gap:var(--echo-space-1);min-width:0;padding:var(--echo-space-2) 0 var(--echo-space-1);color:var(--echo-color-text-subtle);font-size:.6875rem;font-weight:var(--echo-font-weight-medium);letter-spacing:var(--echo-letter-spacing-caption);text-align:center;border-radius:var(--echo-radius-sm);transition:color var(--echo-motion-fast) linear;flex:1 1 0;line-height:1.1;text-decoration:none;display:grid}.tabbar a span{-webkit-hyphens:auto;hyphens:auto;overflow-wrap:anywhere;max-width:100%}@media (hover:hover){.tabbar a:hover{color:var(--echo-color-text)}}.tabbar svg{width:1.5rem;height:1.5rem}.tabbar a[aria-current=page]{color:var(--echo-color-text)}.tabbar a[aria-current=page] svg{color:var(--echo-color-accent)}}.site-footer{padding:var(--echo-space-16) 0 var(--echo-space-10);font-size:var(--echo-font-size-sm);letter-spacing:var(--echo-letter-spacing-caption);color:var(--echo-color-text-subtle);margin-top:auto;line-height:1.43}.site-footer-inner{gap:var(--echo-space-10) var(--echo-space-20);width:var(--echo-container);padding-top:var(--echo-space-10);border-top:1px solid var(--echo-color-hairline);grid-template-columns:minmax(0,1fr) auto;align-items:start;margin-inline:auto;display:grid}.site-footer-brand{gap:var(--echo-space-3);justify-items:start;display:grid}.brand-footer{padding:0}.site-footer-lead{max-width:24rem;color:var(--echo-color-text-muted)}.site-footer-columns{gap:var(--echo-space-8) var(--echo-space-16);grid-template-columns:repeat(3,max-content);display:grid}.site-footer-column{gap:var(--echo-space-2);display:grid}.site-footer-column h2{font-size:var(--echo-font-size-xs);font-weight:var(--echo-font-weight-semibold);letter-spacing:var(--echo-letter-spacing-caption);text-transform:uppercase;color:var(--echo-color-text-subtle)}.site-footer-column ul{margin:0;padding:0;list-style:none;display:grid}.site-footer-column a{line-height:2rem;font-size:var(--echo-font-size-md);font-weight:var(--echo-font-weight-regular);color:var(--echo-color-text);text-decoration:none;display:inline-block}@media (hover:hover){.site-footer-column a:hover{color:var(--echo-color-text-muted)}}.site-footer-bottom{justify-content:space-between;gap:var(--echo-space-2) var(--echo-space-8);margin-top:var(--echo-space-10);padding-top:var(--echo-space-6);border-top:1px solid var(--echo-color-hairline);font-size:var(--echo-font-size-xs);color:var(--echo-color-text-subtle);flex-wrap:wrap;grid-column:1/-1;display:flex}.site-footer a{color:var(--echo-color-text);-webkit-text-decoration-color:var(--echo-color-border);text-decoration-color:var(--echo-color-border)}.button-link,.button-secondary,button{justify-content:center;align-items:center;gap:var(--echo-space-1);min-height:var(--echo-layout-control-height);padding:0 var(--echo-space-5);font:inherit;font-size:var(--echo-font-size-sm);font-weight:var(--echo-font-weight-medium);letter-spacing:var(--echo-letter-spacing-caption);line-height:var(--echo-line-height-snug);border-radius:var(--echo-radius-pill);background:var(--echo-color-surface);color:var(--echo-color-text);cursor:pointer;white-space:nowrap;transition:color var(--echo-motion-slow) var(--echo-motion-easing), background var(--echo-motion-slow) var(--echo-motion-easing), box-shadow var(--echo-motion-slow) var(--echo-motion-easing), transform var(--echo-motion-slow) var(--echo-motion-easing);border:0;justify-self:start;text-decoration:none;display:inline-flex}@media (hover:hover){button:hover:not(:disabled),.button-secondary:hover{background:var(--echo-color-surface-hover);color:var(--echo-color-text)}}button:active:not(:disabled),.button-secondary:active,.button-link:active{transform:scale(.98)}.button-link,button.primary{background:var(--echo-color-ink);color:var(--echo-color-text-inverse)}@media (hover:hover){button.primary:hover:not(:disabled),.button-link:hover{background:var(--echo-color-ink-hover);color:var(--echo-color-text-inverse)}}button.danger{background:var(--echo-color-surface);color:var(--echo-color-danger)}@media (hover:hover){button.danger:hover:not(:disabled){color:var(--echo-color-danger);background:#f2857d29}}button:disabled{opacity:.5;cursor:progress}.button-icon{width:1rem;height:1rem;transition:transform var(--echo-motion-normal) var(--echo-motion-easing);flex:none}@media (hover:hover){.button-secondary:hover .button-icon{transform:translate(2px)}}.button-block{justify-self:stretch;width:100%}.link-button{border-radius:var(--echo-radius-sm);min-height:0;font:inherit;font-weight:inherit;letter-spacing:inherit;color:var(--echo-color-text);text-underline-offset:.18em;text-decoration:underline;text-decoration-thickness:1px;-webkit-text-decoration-color:var(--echo-color-border);text-decoration-color:var(--echo-color-border);white-space:normal;cursor:pointer;background:0 0;border:0;padding:0;display:inline}@media (hover:hover){.link-button:hover:not(:disabled){color:var(--echo-color-text);background:0 0;text-decoration-color:currentColor}}.link-button:active:not(:disabled){transform:none}input,textarea{font:inherit;font-weight:var(--echo-font-weight-medium);color:var(--echo-color-text);background:var(--echo-color-surface-raised);border-radius:var(--echo-radius-lg);padding:var(--echo-space-3) var(--echo-space-4);min-height:var(--echo-layout-input-height);width:100%;transition:box-shadow var(--echo-motion-fast) var(--echo-motion-easing);border:0}textarea{resize:vertical;line-height:var(--echo-line-height-normal)}input::placeholder,textarea::placeholder{color:var(--echo-color-text-subtle);font-weight:var(--echo-font-weight-regular);opacity:1}input:focus-visible,textarea:focus-visible{box-shadow:var(--echo-shadow-focus);outline:none}input[type=file]{line-height:1.5;font-weight:var(--echo-font-weight-regular)}input[type=file]::file-selector-button{font:inherit;font-weight:var(--echo-font-weight-medium);min-height:1.75rem;padding:0 var(--echo-space-3);margin-right:var(--echo-space-3);border-radius:var(--echo-radius-pill);background:var(--echo-color-ink);color:var(--echo-color-text-inverse);cursor:pointer;border:0}[aria-invalid=true]{box-shadow:inset 0 0 0 2px var(--echo-color-danger)}.segmented{gap:var(--echo-space-1);padding:var(--echo-space-1);border-radius:var(--echo-radius-pill);background:var(--echo-color-surface);flex-wrap:wrap;margin:0;list-style:none;display:inline-flex}.segmented>li,.segmented>button{min-height:2.25rem;padding:0 var(--echo-space-4);border-radius:var(--echo-radius-pill);color:var(--echo-color-text-subtle);font-size:var(--echo-font-size-sm);font-weight:var(--echo-font-weight-medium);letter-spacing:var(--echo-letter-spacing-caption);white-space:nowrap;background:0 0;border:0;align-items:center;display:inline-flex}@media (hover:hover){.segmented>button:hover:not(:disabled){color:var(--echo-color-text);background:0 0}}.segmented>button{transition:color var(--echo-motion-normal) var(--echo-motion-easing);position:relative}.segmented>button[aria-pressed=true]{color:var(--echo-color-text-inverse)}.segmented-thumb{border-radius:var(--echo-radius-pill);background:var(--echo-color-ink);position:absolute;inset:0}.segmented-label{position:relative}.segmented>li.is-current{background:var(--echo-color-ink);color:var(--echo-color-text-inverse)}.pill-tag{font-size:var(--echo-font-size-xs);font-weight:var(--echo-font-weight-semibold);letter-spacing:var(--echo-letter-spacing-caption);padding:0 var(--echo-space-2);border-radius:var(--echo-radius-pill);background:var(--echo-color-surface);color:var(--echo-color-text-muted);white-space:nowrap;vertical-align:middle;line-height:1.375rem;display:inline-block}.signal-status-confirmed,.signal-status-corrected,.introduction-status-interested,.conversation-unread{background:var(--echo-color-ink);color:var(--echo-color-text-inverse)}.lede{max-width:var(--echo-layout-prose-width);font-size:var(--echo-font-size-md);font-weight:var(--echo-font-weight-regular);line-height:var(--echo-line-height-normal);letter-spacing:-.32px;color:var(--echo-color-text-muted);text-wrap:pretty}.note{max-width:var(--echo-layout-prose-width);color:var(--echo-color-text-muted);line-height:1.5}.hint{color:var(--echo-color-text-subtle);font-size:var(--echo-font-size-sm);letter-spacing:var(--echo-letter-spacing-caption);line-height:1.43}p.hint{max-width:var(--echo-layout-prose-width)}.footnote{color:var(--echo-color-text-subtle);font-size:var(--echo-font-size-xs);letter-spacing:.1px;line-height:1.4}.accent-note{font-size:var(--echo-font-size-sm);letter-spacing:var(--echo-letter-spacing-caption);color:var(--echo-color-text-subtle)}.accent-note strong{color:var(--echo-color-accent)}.error,.form-error{color:var(--echo-color-danger);font-weight:var(--echo-font-weight-medium)}.form-success{color:var(--echo-color-success);font-weight:var(--echo-font-weight-medium)}.status{color:var(--echo-color-text-subtle)}.autosave-status{min-height:0;margin:0}.autosave-status:empty{display:none}.landing,.membership,.changelog,.auth,.page{width:var(--echo-container);flex:1;margin-inline:auto}.stack{gap:var(--echo-space-10);grid-template-columns:minmax(0,1fr);display:grid}.actions{gap:var(--echo-space-2);flex-wrap:wrap;align-items:center;display:flex}.section-title{font-size:2.5rem;line-height:var(--echo-line-height-display);letter-spacing:-.4px;text-wrap:balance;max-width:30ch}.section-lede{margin-top:calc(-1 * var(--echo-space-2))}.mock{gap:var(--echo-space-3);min-width:0;max-width:100%;padding:var(--echo-space-5);border-radius:var(--echo-radius-lg);background:var(--echo-color-background);color:var(--echo-color-text);font-size:var(--echo-font-size-sm);letter-spacing:var(--echo-letter-spacing-caption);display:grid}.mock-label{color:var(--echo-color-text-subtle);font-size:var(--echo-font-size-xs)}.mock-title{font-size:var(--echo-font-size-md);font-weight:var(--echo-font-weight-semibold);letter-spacing:var(--echo-letter-spacing-heading);line-height:1.2}.mock-line{border-radius:var(--echo-radius-pill);background:var(--echo-color-surface-hover);width:100%;height:.5rem;display:block}.mock-line-medium{width:68%}.mock-line-short{width:42%}.mock-photo{aspect-ratio:1;border-radius:var(--echo-radius-md);background:linear-gradient(160deg,#ffffff3d,#ffffff14);width:100%;display:block}.mock-actions{gap:var(--echo-space-2);flex-wrap:wrap;display:flex}.mock-button{min-height:2.25rem;padding:0 var(--echo-space-4);border-radius:var(--echo-radius-pill);background:var(--echo-color-surface);font-weight:var(--echo-font-weight-medium);white-space:nowrap;justify-self:start;align-items:center;display:inline-flex}.mock-button.is-primary{background:var(--echo-color-ink);color:var(--echo-color-text-inverse)}.mock-button.is-danger{color:var(--echo-color-danger)}.mock-chip{padding:0 var(--echo-space-2);border-radius:var(--echo-radius-pill);background:var(--echo-color-surface);color:var(--echo-color-text-muted);line-height:1.375rem;font-size:var(--echo-font-size-xs);font-weight:var(--echo-font-weight-semibold);justify-self:start}.mock-chip.is-filled{background:var(--echo-color-ink);color:var(--echo-color-text-inverse)}.mock-choices{gap:var(--echo-space-2);display:grid}.mock-choice{align-items:center;gap:var(--echo-space-3);min-height:2.75rem;padding:0 var(--echo-space-4);border-radius:var(--echo-radius-lg);background:var(--echo-color-surface);display:flex}.mock-choice:before{content:"";border:1.5px solid var(--echo-color-border);border-radius:50%;flex:none;width:1rem;height:1rem}.mock-choice.is-selected{box-shadow:var(--echo-shadow-focus)}.mock-choice.is-selected:before{border-color:var(--echo-color-ink);background:radial-gradient(circle, var(--echo-color-ink) 45%, transparent 50%)}.mock-meter{align-items:center;gap:var(--echo-space-3);color:var(--echo-color-text-subtle);font-size:var(--echo-font-size-xs);display:flex}.mock-meter-bar{border-radius:var(--echo-radius-pill);background:var(--echo-color-surface-hover);width:5rem;height:.375rem;overflow:hidden}.mock-meter-fill{background:var(--echo-color-ink);width:64%;height:100%;display:block}.mock-messages{gap:var(--echo-space-2);display:grid}.mock-message{gap:var(--echo-space-2);width:72%;padding:var(--echo-space-3) var(--echo-space-4);border-radius:var(--echo-radius-lg);background:var(--echo-color-surface-raised);display:grid}.mock-message .mock-line{background:#ffffff3d}.mock-message.is-mine{background:var(--echo-color-ink);justify-self:end}.mock-message.is-mine .mock-line{background:#0000003d}.mock-composer{align-items:center;gap:var(--echo-space-2);min-height:2.75rem;padding:0 var(--echo-space-2) 0 var(--echo-space-4);border-radius:var(--echo-radius-pill);background:var(--echo-color-surface-raised);color:var(--echo-color-text-subtle);display:flex}.mock-composer .mock-button{min-height:2rem;margin-left:auto}.mock-reasons{gap:var(--echo-space-2);margin:0;padding-left:1.25em;display:grid}.mock-reasons li{line-height:1.4}.mock-reasons .mock-label{font-size:inherit}.landing{width:100%;padding:0;display:block}.hero{gap:var(--echo-space-16);width:var(--echo-container);padding:calc(var(--echo-nav-offset) + var(--echo-space-12)) 0 var(--echo-space-16);grid-template-columns:minmax(0,1.35fr) minmax(18rem,1fr);align-items:start;margin-inline:auto;display:grid}.hero-copy{gap:var(--echo-space-5);justify-items:start;display:grid}.hero h1{max-width:14em;font-size:var(--echo-font-size-hero);line-height:var(--echo-line-height-display);letter-spacing:-.48px}.hero .lede{max-width:34rem}.hero .actions{margin-top:var(--echo-space-3)}.vibe-strip img{object-fit:cover;width:100%;height:100%;display:block}.people{gap:var(--echo-space-10);width:var(--echo-container);padding:calc(var(--echo-nav-offset) + var(--echo-space-12)) 0 var(--echo-space-16);margin-inline:auto;display:grid}.people .section-title{margin-inline:auto;margin-bottom:var(--echo-space-6);font-weight:var(--echo-font-weight-semibold);text-align:center}.people-stage{padding:var(--echo-space-16) var(--echo-space-8);border-radius:var(--echo-radius-xl);background:var(--echo-pattern), var(--echo-color-surface-raised);overflow:hidden}.people-cluster{justify-content:center;gap:var(--echo-space-6) var(--echo-space-4);flex-wrap:wrap;max-width:66rem;margin:0 auto;padding:0;list-style:none;display:flex}.people-cluster li{aspect-ratio:1;border-radius:var(--echo-radius-lg);background:var(--echo-color-surface);width:12rem;transition:transform var(--echo-motion-slow) var(--echo-motion-easing);will-change:transform;position:relative;overflow:hidden}.people-cluster li:nth-child(odd){translate:0 calc(-1 * var(--echo-space-3))}.people-cluster li:nth-child(2n){translate:0 var(--echo-space-3)}.people-cluster li[data-active]{z-index:1;transform:scale(1.25)}.people-cluster img{object-fit:cover;width:100%;height:100%;display:block}.people-caption{gap:var(--echo-space-1);padding:var(--echo-space-10) var(--echo-space-3) var(--echo-space-3);background:linear-gradient(to bottom, transparent, var(--echo-color-background));display:grid;position:absolute;inset:auto 0 0}.people-name{font-size:var(--echo-font-size-sm);font-weight:var(--echo-font-weight-semibold);letter-spacing:var(--echo-letter-spacing-caption);line-height:1.3}.people-reason{font-size:var(--echo-font-size-xs);letter-spacing:var(--echo-letter-spacing-caption);opacity:0;transition:grid-template-rows var(--echo-motion-slow) var(--echo-motion-easing), opacity var(--echo-motion-normal) linear;grid-template-rows:0fr;line-height:1.35;display:grid}.people-reason>*{min-height:0}.people-cluster li[data-active] .people-reason{opacity:1;grid-template-rows:1fr}.library{gap:var(--echo-space-6);width:var(--echo-container);padding:var(--echo-space-32) 0 var(--echo-space-24);margin-inline:auto;display:grid}.library-kicker{font-size:var(--echo-font-size-xs);font-weight:var(--echo-font-weight-semibold);letter-spacing:var(--echo-letter-spacing-caption);text-transform:uppercase;color:var(--echo-color-text-muted);line-height:1.2}.library-figures{gap:var(--echo-space-1);font-size:var(--echo-font-size-display);font-weight:var(--echo-font-weight-medium);line-height:var(--echo-line-height-display);letter-spacing:var(--echo-letter-spacing-display);text-wrap:balance;display:grid}.library-figures span{display:block}.library-figures span:nth-child(2){color:var(--echo-color-text-muted)}.library-figures span:nth-child(3){color:var(--echo-color-text-subtle)}.vibe-strip{width:100%;margin:var(--echo-space-10) 0 0;gap:var(--echo-space-4);grid-template-columns:repeat(3,minmax(0,1fr));padding:0;list-style:none;display:grid}.vibe-strip li{aspect-ratio:4/5;border-radius:var(--echo-radius-lg);background:var(--echo-color-surface);overflow:hidden}.patterns{justify-items:start;gap:var(--echo-space-8);width:var(--echo-container);padding:0 0 var(--echo-space-24);margin-inline:auto;display:grid}.pattern-columns{gap:var(--echo-space-8) var(--echo-space-6);width:100%;padding:var(--echo-space-8);border-radius:var(--echo-radius-xl);background:var(--echo-color-surface);grid-template-columns:repeat(5,minmax(0,1fr));display:grid}.pattern-column{gap:var(--echo-space-3);align-content:start;display:grid}.pattern-column h3{font-size:var(--echo-font-size-xs);font-weight:var(--echo-font-weight-semibold);letter-spacing:var(--echo-letter-spacing-caption);text-transform:uppercase;color:var(--echo-color-text-subtle)}.pattern-column ul{gap:var(--echo-space-2);font-size:var(--echo-font-size-sm);font-weight:var(--echo-font-weight-medium);letter-spacing:-.14px;margin:0;padding:0;line-height:1.4;list-style:none;display:grid}.pattern-column li{transition:color var(--echo-motion-normal) var(--echo-motion-easing)}.pattern-column li[data-dim]{color:var(--echo-color-text-subtle)}.principles{gap:var(--echo-space-10);width:var(--echo-container);padding:0 0 var(--echo-space-24);margin-inline:auto;display:grid}.principles-grid{columns:3;column-gap:var(--echo-space-4);margin:0;padding:0;list-style:none}.principles-grid li{break-inside:avoid;margin-bottom:var(--echo-space-4);padding:var(--echo-space-6);border-radius:var(--echo-radius-lg);background:var(--echo-color-surface);gap:var(--echo-space-3);display:grid}.principles-grid h3{font-size:var(--echo-font-size-md);font-weight:var(--echo-font-weight-semibold);letter-spacing:var(--echo-letter-spacing-heading)}.principles-grid p{color:var(--echo-color-text-muted);font-size:var(--echo-font-size-sm);letter-spacing:var(--echo-letter-spacing-caption);line-height:1.43}.contrast{gap:var(--echo-space-8);width:var(--echo-container);padding-bottom:var(--echo-space-24);margin-inline:auto;display:grid}.contrast-intro{gap:var(--echo-space-5);display:grid}.contrast .compare-contrast col:first-child{width:28%}.compare-contrast td:last-child{color:var(--echo-color-text);font-weight:var(--echo-font-weight-medium)}.voices{gap:var(--echo-space-10);width:var(--echo-container);padding:0 0 var(--echo-space-24);margin-inline:auto;display:grid}.voices-grid{gap:var(--echo-space-10) var(--echo-space-8);grid-template-columns:repeat(2,minmax(0,1fr));margin:0;padding:0;list-style:none;display:grid}.voices-grid figure{height:100%;padding-top:var(--echo-space-6);border-top:1px solid var(--echo-color-hairline);gap:var(--echo-space-5);grid-template-rows:minmax(0,1fr) auto;margin:0;display:grid}.voices-grid blockquote{margin:0}.voices-grid blockquote p{font-size:var(--echo-font-size-lg);font-weight:var(--echo-font-weight-medium);letter-spacing:var(--echo-letter-spacing-heading);text-wrap:pretty;line-height:1.3}.voices-grid figcaption{color:var(--echo-color-text-subtle);font-size:var(--echo-font-size-sm);font-weight:var(--echo-font-weight-medium);letter-spacing:var(--echo-letter-spacing-caption)}.landing-faq{width:var(--echo-container);padding-bottom:var(--echo-space-24);margin-inline:auto}.auth{gap:var(--echo-space-8);width:var(--echo-container);min-height:100dvh;padding-block:var(--echo-space-5);grid-template-columns:minmax(0,1fr) minmax(0,1fr);display:grid}.auth-form{align-content:center;justify-items:start;gap:var(--echo-space-6);width:min(100%,26.625rem);padding-block:var(--echo-space-12);margin-inline:auto;display:grid}.auth-brand{margin-bottom:var(--echo-space-4);padding:0}.auth-form h1{font-size:var(--echo-font-size-xxl);line-height:var(--echo-line-height-tight);letter-spacing:var(--echo-letter-spacing-display)}.auth-form h1+.lede,.auth-form h1+.hint{margin-top:calc(var(--echo-space-3) * -1)}.auth-form .lede{font-size:var(--echo-font-size-sm);letter-spacing:var(--echo-letter-spacing-caption);line-height:1.43}.auth-form form{gap:var(--echo-space-4);width:100%;max-width:none}.auth-form form>button{justify-self:stretch}.auth-form .footnote{max-width:26rem}.auth-form .auth-consent.checkbox,.auth-form .auth-consent .echo-check-content{align-items:flex-start}.auth-form .auth-consent .echo-check-control{margin-top:.125rem}.auth-form .auth-consent{font-size:var(--echo-font-size-sm);line-height:1.43}.auth-form .note{font-size:var(--echo-font-size-sm);letter-spacing:var(--echo-letter-spacing-caption)}.auth-aside{border-radius:var(--echo-radius-xl);background:var(--echo-color-surface);min-height:100%;position:relative;overflow:hidden}.auth-aside img{object-fit:cover;object-position:50% 30%;width:100%;height:100%;position:absolute;inset:0}.membership{padding-block:0 var(--echo-space-24);grid-template-columns:minmax(0,1fr);gap:0;display:grid}.hero-compact{gap:var(--echo-space-5);width:100%;padding:calc(var(--echo-nav-offset) + var(--echo-space-12)) 0 var(--echo-space-16);grid-template-columns:minmax(0,46rem)}.hero-compact h1{max-width:none;font-size:var(--echo-font-size-display);letter-spacing:var(--echo-letter-spacing-display)}.hero-compact .lede{max-width:38rem}.plans{gap:var(--echo-space-8);grid-template-columns:minmax(0,1fr);display:grid}.plan-grid{gap:var(--echo-space-4);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.plan{align-content:start;gap:var(--echo-space-3);padding:var(--echo-space-6);border-radius:var(--echo-radius-xl);background:var(--echo-color-surface);display:grid}.plan h3{align-items:center;gap:var(--echo-space-2);font-size:var(--echo-font-size-lg);letter-spacing:var(--echo-letter-spacing-heading);line-height:1.25;display:flex}.plan-figure{align-items:baseline;gap:var(--echo-space-2);margin-top:var(--echo-space-2);font-size:var(--echo-font-size-hero);font-weight:var(--echo-font-weight-medium);letter-spacing:var(--echo-letter-spacing-display);line-height:1.1;display:flex}.plan-figure small{font-size:var(--echo-font-size-xs);font-weight:var(--echo-font-weight-regular);letter-spacing:var(--echo-letter-spacing-caption);color:var(--echo-color-text-subtle);max-width:10rem;line-height:1.34}.plan .button-link,.plan .button-secondary{margin-top:var(--echo-space-2)}.plan .footnote{text-align:center}.plan hr{margin-block:var(--echo-space-3)}.plan-featured{background:var(--echo-color-surface-raised);box-shadow:inset 0 0 0 1px var(--echo-color-border), var(--echo-shadow-soft)}.checklist{gap:var(--echo-space-3);margin:0;padding:0;list-style:none;display:grid}.checklist li{padding-left:var(--echo-space-8);line-height:1.375;font-size:var(--echo-font-size-sm);letter-spacing:var(--echo-letter-spacing-caption);position:relative}.checklist li:before{content:"";background:var(--echo-icon-check-on-ink) center / contain no-repeat;width:1.125rem;height:1.125rem;position:absolute;top:.05em;left:0}.plans-note{color:var(--echo-color-text-subtle);font-size:var(--echo-font-size-sm);letter-spacing:var(--echo-letter-spacing-caption)}.included{gap:var(--echo-space-10);padding-block:var(--echo-space-32) var(--echo-space-24);grid-template-columns:minmax(0,1fr);display:grid}.included .checklist{gap:var(--echo-space-4) var(--echo-space-10);grid-template-columns:repeat(2,minmax(0,1fr));width:min(100%,54rem)}.included .checklist li{font-size:var(--echo-font-size-md);letter-spacing:var(--echo-letter-spacing-body)}.data-split{gap:var(--echo-space-16);padding-block:0 var(--echo-space-32);grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;display:grid}.data-split-text{gap:var(--echo-space-5);justify-items:start;display:grid}.data-split-text h2{font-size:2.5rem;line-height:var(--echo-line-height-display);letter-spacing:-.4px}.data-split-text .lede{font-size:var(--echo-font-size-md);line-height:1.5}.data-tiles{gap:var(--echo-space-3);grid-template-columns:repeat(2,minmax(0,1fr));margin:0;padding:0;list-style:none;display:grid}.data-tiles li{gap:var(--echo-space-1);min-height:6.5rem;padding:var(--echo-space-5);border-radius:var(--echo-radius-lg);background:var(--echo-color-surface);align-content:end;display:grid}.data-tiles strong{font-weight:var(--echo-font-weight-semibold)}.data-tiles span{color:var(--echo-color-text-subtle);font-size:var(--echo-font-size-sm);letter-spacing:var(--echo-letter-spacing-caption)}.visibility{gap:var(--echo-space-6);padding-block:0 var(--echo-space-32);grid-template-columns:minmax(0,1fr);display:grid}.visibility h2{font-size:2.5rem;line-height:var(--echo-line-height-display);letter-spacing:-.4px}.visibility>.lede{margin-bottom:var(--echo-space-6)}.compare{border-collapse:collapse;table-layout:fixed;width:100%}.compare col:first-child{width:40%}.compare th,.compare td{text-align:left;vertical-align:middle;padding:var(--echo-space-3) var(--echo-space-4) var(--echo-space-3) 0;border-bottom:1px solid var(--echo-color-hairline);font-size:var(--echo-font-size-sm);letter-spacing:var(--echo-letter-spacing-caption)}.compare thead th{padding-top:var(--echo-space-8);padding-bottom:var(--echo-space-5);font-size:var(--echo-font-size-md);font-weight:var(--echo-font-weight-medium);letter-spacing:var(--echo-letter-spacing-body);color:var(--echo-color-text);border-bottom:0}.compare thead th:first-child{font-size:var(--echo-font-size-xl);letter-spacing:var(--echo-letter-spacing-heading);line-height:1.2;font-weight:var(--echo-font-weight-medium)}.compare tbody th{font-weight:var(--echo-font-weight-regular);color:var(--echo-color-text)}.compare td{color:var(--echo-color-text-muted)}.compare td[data-yes]{color:var(--echo-color-text)}.compare td[data-yes]:before{content:"";width:1.125rem;height:1.125rem;margin-right:var(--echo-space-2);vertical-align:-.2em;background:var(--echo-icon-check) center / .75rem no-repeat, var(--echo-color-surface-hover);border-radius:50%;display:inline-block}.faq{gap:var(--echo-space-12);grid-template-columns:minmax(0,2fr) minmax(0,3fr);align-items:start;padding-block:0;display:grid}.faq h2{top:calc(var(--echo-nav-offset) + var(--echo-space-4));font-size:2.5rem;line-height:var(--echo-line-height-display);letter-spacing:-.4px;max-width:12ch;position:sticky}.faq-list{gap:var(--echo-space-2);display:grid}.faq-item{border-radius:var(--echo-radius-lg);background:var(--echo-color-surface)}.faq-item summary{justify-content:space-between;align-items:center;gap:var(--echo-space-4);padding:var(--echo-space-4) var(--echo-space-5);font-size:var(--echo-font-size-md);font-weight:var(--echo-font-weight-medium);cursor:pointer;border-radius:var(--echo-radius-lg);list-style:none;display:flex}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"";background:var(--echo-icon-chevron) center / 1rem no-repeat;width:1rem;height:1rem;transition:transform var(--echo-motion-normal) var(--echo-motion-easing);flex:none}.faq-item[open] summary:after{transform:rotate(180deg)}.faq-item[data-closing] summary:after{transform:none}.faq-item p{max-width:60ch;padding:0 var(--echo-space-5) var(--echo-space-5);color:var(--echo-color-text-muted);line-height:1.5}.faq-note{color:var(--echo-color-text-subtle);font-size:var(--echo-font-size-sm);letter-spacing:var(--echo-letter-spacing-caption);grid-column:2}.changelog{max-width:60rem;padding-block:calc(var(--echo-nav-offset) + var(--echo-space-12)) var(--echo-space-32)}.changelog-head{gap:var(--echo-space-4);padding-bottom:var(--echo-space-10);border-bottom:1px solid var(--echo-color-hairline);display:grid}.changelog-head h1{font-size:var(--echo-font-size-hero);letter-spacing:var(--echo-letter-spacing-display);line-height:var(--echo-line-height-display)}.releases{display:grid}.release{gap:var(--echo-space-8);padding-block:var(--echo-space-10);border-bottom:1px solid var(--echo-color-hairline);grid-template-columns:12.5rem minmax(0,39rem);display:grid}.release-date time{top:calc(var(--echo-nav-offset) + var(--echo-space-4));font-size:var(--echo-font-size-lg);font-weight:var(--echo-font-weight-medium);color:var(--echo-color-text-subtle);line-height:1.3;display:block;position:sticky}.release-body{gap:var(--echo-space-4);display:grid}.release-media{min-height:16rem;padding:var(--echo-space-8);margin-bottom:var(--echo-space-2);border-radius:var(--echo-radius-xl);background:var(--echo-color-surface);place-items:center;display:grid}.release-media>.mock{width:100%;max-width:22rem}.release-body h2{font-size:var(--echo-font-size-xl);line-height:1.2}.release-body p{color:var(--echo-color-text-muted);line-height:1.5}.release-items{gap:var(--echo-space-2);margin:0;padding-left:1.25em;line-height:1.5;display:grid}.legal{gap:var(--echo-space-6);display:grid}.legal .document-body{color:var(--echo-color-text);font-size:var(--echo-font-size-md);white-space:normal;gap:var(--echo-space-4);background:0 0;margin:0;padding:0;line-height:1.6;display:grid}.legal .document-body h2{margin:var(--echo-space-4) 0 0}.legal .document-body h3{margin:var(--echo-space-2) 0 0}.legal .document-body ul,.legal .document-body ol{padding-left:var(--echo-space-6);gap:var(--echo-space-2);margin:0;display:grid}.page{max-width:var(--echo-page-width);padding-block:calc(var(--echo-nav-offset) + var(--echo-space-8)) var(--echo-space-24)}.page.narrow{max-width:var(--echo-layout-prose-width)}.page>h1{font-size:var(--echo-font-size-display);font-weight:var(--echo-font-weight-medium);letter-spacing:var(--echo-letter-spacing-display);line-height:var(--echo-line-height-display);margin-bottom:var(--echo-space-10);-webkit-hyphens:auto;hyphens:auto;overflow-wrap:anywhere}.page h2{font-size:var(--echo-font-size-lg);font-weight:var(--echo-font-weight-medium);margin-bottom:var(--echo-space-4);line-height:1.2}.page 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