:root{--color-black:#000;--color-pale:#f5f5f7;--color-white:#fff;--color-ink:#1d1d1f;--color-secondary:#6e6e73;--color-action:#0071e3;--color-action-hover:#0077ed;--color-action-pressed:#06c;--color-link-on-dark:#2997ff;--color-border-soft:#d2d2d7;--color-border-strong:#86868b;--color-utility-dark:#424245;--color-graphite-a:#272729;--color-graphite-b:#262629;--color-graphite-c:#28282b;--color-graphite-d:#2a2a2c;--font-text:-apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;--font-display:-apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;--container-max:980px;--container-wide:1240px;--container-pad:22px;--radius-field:8px;--radius-card:18px;--radius-spotlight:28px;--radius-pill:980px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-text);letter-spacing:-.022em;color:var(--color-ink);background:var(--color-white);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;min-height:100vh;margin:0;font-size:17px;line-height:1.47;display:flex}main{flex-direction:column;flex:1;display:flex}h1,h2,h3,h4{font-family:var(--font-display);color:var(--color-ink);letter-spacing:-.02em;margin:0;font-weight:600;line-height:1.08}h1{font-size:clamp(2.25rem,6vw,4rem)}h2{font-size:clamp(1.625rem,3.5vw,2.5rem)}h3{font-size:clamp(1.125rem,2vw,1.5rem);line-height:1.21}p{margin:0}a{color:var(--color-action-pressed);font-weight:400;text-decoration:none}a:hover{text-decoration:underline}.container{width:100%;max-width:var(--container-max);padding:0 var(--container-pad);margin:0 auto}.container-wide{width:100%;max-width:var(--container-wide);padding:0 var(--container-pad);margin:0 auto}.section{padding:clamp(64px,10vw,140px) 0}.section-tight{padding:clamp(32px,6vw,72px) 0}@media (max-width:480px){.section{padding:clamp(48px,12vw,64px) 0}.section-tight{padding:clamp(24px,8vw,40px) 0}}.surface-dark{background:var(--color-black);color:var(--color-white)}.surface-pale{background:var(--color-pale);color:var(--color-ink)}.surface-white{background:var(--color-white);color:var(--color-ink)}.surface-dark h1,.surface-dark h2,.surface-dark h3{color:var(--color-white)}.surface-dark p{color:var(--color-pale)}.surface-dark a{color:var(--color-link-on-dark)}.btn{border-radius:var(--radius-pill);letter-spacing:-.022em;cursor:pointer;white-space:nowrap;border:0;justify-content:center;align-items:center;gap:8px;padding:12px 22px;font-family:inherit;font-size:17px;font-weight:400;line-height:1.2;text-decoration:none;transition:background-color .2s,transform .15s,opacity .2s;display:inline-flex}.btn:hover{text-decoration:none}.btn:active{transform:scale(.97)}.btn-primary{background:var(--color-action);color:var(--color-white)}.btn-primary:hover{background:var(--color-action-hover)}.btn-dark{background:var(--color-ink);color:var(--color-white)}.btn-dark:hover{background:var(--color-graphite-d)}.btn-light{background:var(--color-white);color:var(--color-ink)}.btn-light:hover{background:var(--color-pale)}.btn-outline-light{color:var(--color-white);border:1px solid var(--color-white);background:0 0}.btn-outline-light:hover{background:var(--color-white);color:var(--color-ink)}.btn-outline-dark{color:var(--color-ink);border:1px solid var(--color-ink);background:0 0}.btn-outline-dark:hover{background:var(--color-ink);color:var(--color-white)}.btn-link{color:var(--color-action-pressed);background:0 0;border-radius:0;padding:0}.surface-dark .btn-link{color:var(--color-link-on-dark)}.card{background:var(--color-white);border-radius:var(--radius-card);padding:clamp(28px,5vw,48px)}.card-pale{background:var(--color-pale);border-radius:var(--radius-card);padding:clamp(28px,5vw,48px)}.card-dark{background:var(--color-graphite-a);color:var(--color-white);border-radius:var(--radius-card);padding:clamp(28px,5vw,48px)}.prose{color:var(--color-ink);max-width:720px;margin-left:auto;margin-right:auto}.prose h1{margin-bottom:8px;font-size:clamp(2rem,5vw,3rem)}.prose h2{margin-top:0;margin-bottom:1rem;font-size:clamp(1.375rem,2.5vw,1.75rem)}.prose h3{color:var(--color-ink);margin-top:1.5rem;margin-bottom:.5rem;font-size:1.0625rem;font-weight:600}.prose p{color:var(--color-ink);margin:1rem 0;font-size:17px}.prose ul{margin:1rem 0;padding-left:1.5rem}.prose li{margin-bottom:8px}.last-updated{color:var(--color-secondary);margin:0 0 2rem;font-size:14px}.section-header{align-items:center;gap:12px;margin-top:2.5rem;margin-bottom:1rem;display:flex}.section-header svg{width:22px;height:22px;color:var(--color-secondary);flex-shrink:0}.section-header h2{margin:0;font-size:clamp(1.375rem,2.5vw,1.75rem)}.skip-link{background:var(--color-action);color:var(--color-white);z-index:1100;border-radius:var(--radius-field);padding:8px 14px;font-size:13px;position:absolute;top:0;left:-9999px}.skip-link:focus{text-decoration:none;top:8px;left:12px}.site-header{z-index:1000;-webkit-backdrop-filter:saturate(180%)blur(20px);border-bottom:1px solid var(--color-border-soft);background:#ffffffb8;position:sticky;top:0}.site-header[data-variant=dark]{background:#000000b8;border-bottom:1px solid #ffffff1f}.site-header[data-variant=dark] .site-header-brand,.site-header[data-variant=dark] .site-header-nav a{color:var(--color-white)}.site-header-inner{max-width:var(--container-wide);justify-content:space-between;align-items:center;gap:16px;height:48px;margin:0 auto;padding:0 22px;display:flex}.nav-label-short{display:none}@media (max-width:640px){.nav-label-long{display:none}.nav-label-short{display:inline}}.site-header-lockup{align-items:center;gap:10px;min-width:0;display:flex}.site-header-parent{color:var(--color-secondary);font-family:var(--font-display);letter-spacing:-.01em;font-size:14px;font-weight:500;transition:color .2s}.site-header-parent:hover{color:var(--color-ink);text-decoration:none}.site-header[data-variant=dark] .site-header-parent{color:#ffffffa6}.site-header[data-variant=dark] .site-header-parent:hover{color:var(--color-white)}.site-header-sep{color:var(--color-border-strong);-webkit-user-select:none;user-select:none;font-size:14px}.site-header-brand{color:var(--color-ink);font-family:var(--font-display);letter-spacing:-.01em;align-items:center;gap:10px;font-size:17px;font-weight:600;display:flex}.site-header-brand:hover{text-decoration:none}.site-header-brand img{border-radius:6px;width:28px;height:28px}.site-header-brand img.site-header-badge{border-radius:50%;width:64px;height:64px;margin-bottom:-30px;transition:transform .25s;box-shadow:0 0 0 2px #ffffffeb,0 8px 22px #00000059}.site-header-brand:hover img.site-header-badge{transform:scale(1.04)}.site-header-runner{background:url(/images/brand/toast-walk.webp) 0 0/2124px 32px no-repeat;flex:none;width:59px;height:32px;animation:1.5s steps(36,end) infinite toast-walk;display:block}:root[data-music=on] .site-header-runner{background-image:url(/images/brand/toast-run.webp);background-size:1045px 32px;width:55px;animation:.792s steps(19,end) infinite toast-run}@keyframes toast-walk{to{background-position:-2124px 0}}@keyframes toast-run{to{background-position:-1045px 0}}.site-header-cat{cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:0;flex:none;justify-content:center;align-items:center;min-width:44px;min-height:44px;margin:0;padding:0 2px;display:inline-flex;position:relative}.site-header-cat .site-header-runner{transition:transform .2s}.site-header-cat:hover .site-header-runner{transform:translateY(-3px)}.site-header-cat:active .site-header-runner{transform:translateY(0)scale(.96)}.site-header-cat:focus-visible{outline:2px solid var(--color-action);outline-offset:2px;border-radius:10px}.site-header-cat-bubble{border:2px solid var(--color-ink);background:var(--color-white);color:var(--color-ink);letter-spacing:-.01em;white-space:nowrap;transform-origin:50% -10px;border-radius:16px;padding:6px 12px;font-size:13px;font-weight:600;line-height:1.2;animation:.45s cubic-bezier(.34,1.56,.64,1) 1.2s both toast-bubble-in,2.8s ease-in-out 2.2s infinite toast-bubble-bob;position:absolute;top:calc(100% + 10px);left:50%;translate:-50%;box-shadow:0 6px 18px #00000047}.site-header-cat-bubble:before{content:"";background:var(--color-white);border-top:2px solid var(--color-ink);border-left:2px solid var(--color-ink);border-top-left-radius:3px;width:11px;height:11px;position:absolute;top:-7px;left:50%;translate:-50%;rotate:45deg}.site-header-cat:hover .site-header-cat-bubble,.site-header-cat:hover .site-header-cat-bubble:before{background:var(--color-pale)}@keyframes toast-bubble-in{0%{opacity:0;transform:scale(.6)}to{opacity:1;transform:scale(1)}}@keyframes toast-bubble-bob{0%,to{transform:translateY(0)}50%{transform:translateY(-3px)}}@media (prefers-reduced-motion:reduce){.site-header-runner{background-position:-236px 0;animation:none}:root[data-music=on] .site-header-runner{background-position:-220px 0;animation:none}.site-header-cat-bubble{animation:none}}.site-header-nav{gap:28px;display:flex}.site-header-nav a{color:var(--color-ink);opacity:.85;font-size:13px;font-weight:400;transition:opacity .2s}.site-header-nav a:hover{opacity:1;text-decoration:none}@media (max-width:600px){.site-header-nav{gap:18px}.site-header-brand{font-size:15px}.site-header-parent,.site-header-sep{display:none}}@media (max-width:480px){.site-header-inner{height:44px}.site-header-nav{gap:14px}.site-header-nav a{white-space:nowrap;align-items:center;min-height:44px;padding:10px 4px;font-size:13px;display:inline-flex}.site-header-brand img{width:26px;height:26px}.site-header-brand img.site-header-badge{width:52px;height:52px;margin-bottom:-24px}.site-header-cat-bubble{transform-origin:28px -10px;left:0;translate:0}.site-header-cat-bubble:before{left:28px}.site-header-brand{gap:8px;font-size:14px}.site-header-brand span{display:none}}@media (max-width:360px){.site-header-inner{padding:0 14px}.site-header-nav{gap:8px}}.site-footer{background:var(--color-pale);border-top:1px solid var(--color-border-soft);color:var(--color-secondary);padding:40px 0;font-size:12px}.site-footer-inner{max-width:var(--container-wide);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin:0 auto;padding:0 22px;display:flex}.site-footer-links{flex-wrap:wrap;gap:24px;display:flex}.site-footer-links a,.site-footer a{color:var(--color-secondary);font-size:12px;font-weight:400}.site-footer-links a:hover{color:var(--color-ink);text-decoration:underline}@media (max-width:600px){.site-footer-inner{text-align:center;flex-direction:column;align-items:center}.site-footer-links{justify-content:center}}.text-secondary{color:var(--color-secondary)}.text-center{text-align:center}.eyebrow{font-family:var(--font-text);letter-spacing:.02em;text-transform:uppercase;color:var(--color-action);margin-bottom:12px;font-size:14px;font-weight:600}.surface-dark .eyebrow{color:var(--color-link-on-dark)}@property --ai-angle{syntax:"";inherits:false;initial-value:0deg}.hero-mute-toggle{z-index:3;border-radius:var(--radius-pill);min-height:44px;color:var(--color-white);letter-spacing:-.01em;-webkit-backdrop-filter:saturate(180%)blur(12px);cursor:pointer;background:#0000008c;border:1px solid #ffffff2e;align-items:center;gap:8px;padding:10px 16px;font-family:inherit;font-size:13px;font-weight:500;transition:background-color .2s,border-color .2s,filter .2s,box-shadow .2s;display:inline-flex;position:absolute;bottom:clamp(14px,3vw,22px);right:clamp(14px,3vw,22px)}.hero-mute-toggle:hover{background:#000000b8;border-color:#ffffff52}.hero-mute-toggle svg{width:16px;height:16px}.hero-mute-toggle[aria-pressed=false]{background:linear-gradient(#0000008c, #0000008c) padding-box, conic-gradient(from var(--ai-angle), #ff6ec4, #ff8ad8, #c084fc, #a855f7, #7873f5, #38bdf8, #22d3ee, #4ade80, #fbbf24, #ff6ec4) border-box;border:2px solid #0000;animation:4s linear infinite ai-rotate;box-shadow:0 0 0 1px #ffffff0d,0 6px 24px -8px #a855f773,0 6px 24px -12px #38bdf866}.hero-mute-toggle[aria-pressed=false]:hover{background:linear-gradient(#0000008c, #0000008c) padding-box, conic-gradient(from var(--ai-angle), #ff6ec4, #ff8ad8, #c084fc, #a855f7, #7873f5, #38bdf8, #22d3ee, #4ade80, #fbbf24, #ff6ec4) border-box;filter:brightness(1.15);border-color:#0000;box-shadow:0 0 0 1px #ffffff14,0 8px 28px -6px #a855f799,0 8px 28px -10px #38bdf88c}@keyframes ai-rotate{to{--ai-angle:360deg}}@media (prefers-reduced-motion:reduce){.hero-mute-toggle[aria-pressed=false]{animation:none}html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}video[autoplay]{animation:none}}