:root{--bg:#fff;--surface-2:#f5f5f7;--ink:#0b0b0f;--ink-2:#26262b;--muted:#6e6e73;--faint:#8e8e93;--line:#e5e5ea;--line-strong:#d2d2d7;--brand:#e4573d;--sun:#ffc94d;--link:#06c;--good:#17794f;--good-soft:#e4f5ec;--warn-ink:#8a5a00;--warn-soft:#fff3d6;--bad:#b3261e;--bad-soft:#fbeae9;--r:8px;--r-lg:16px;--pill:999px;--w-wide:1080px;--w-page:720px;--w-narrow:560px;--pad:20px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (min-width:768px){:root{--pad:24px}}*{box-sizing:border-box}html,body{margin:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;font:16px/1.55 -apple-system,BlinkMacSystemFont,system-ui,Segoe UI,Roboto,Helvetica Neue,sans-serif}:focus-visible{outline:2px solid var(--link);outline-offset:2px}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}h1{letter-spacing:-.01em;margin:0 0 6px;font-size:1.5rem;font-weight:600;line-height:1.15}h2{margin:0 0 8px;font-size:1.125rem;font-weight:600;line-height:1.3}p{margin:0 0 12px}ul{margin:0 0 12px;padding-left:20px}.display{letter-spacing:-.02em;margin:16px 0 14px;font-size:clamp(2rem,6vw,3rem);font-weight:600;line-height:1.06}.lead{color:var(--muted);margin:0 0 24px;font-size:1.0625rem}.caption{color:var(--muted);font-size:13px;line-height:1.4}.small{color:var(--muted);font-size:14px;line-height:1.45}.eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 12px;font-size:12px;font-weight:600}.nums{font-variant-numeric:tabular-nums}.error{color:var(--bad)}.center{text-align:center}.header{z-index:10;background:var(--bg);border-bottom:1px solid var(--line);height:56px;position:sticky;top:0}.header-in{height:100%;max-width:var(--w-wide);padding:0 var(--pad);justify-content:space-between;align-items:center;gap:12px;margin:0 auto;display:flex}.brand{color:var(--ink);align-items:center;gap:10px;font-size:17px;font-weight:600;display:inline-flex}.brand:hover{text-decoration:none}.brand svg{width:28px;height:28px}.header-right{color:var(--muted);align-items:center;gap:14px;font-size:14px;display:flex}main{max-width:var(--w-page);padding:24px var(--pad) calc(48px + env(safe-area-inset-bottom));margin:0 auto}main.wide{max-width:var(--w-wide)}main.narrow{max-width:var(--w-narrow)}.stepper{margin-bottom:20px}.stepper-top{color:var(--muted);justify-content:space-between;align-items:center;margin-bottom:8px;font-size:13px;font-weight:500;display:flex}.stepper-top .back{color:var(--link);padding:6px 0;text-decoration:none}.steps{grid-template-columns:repeat(4,1fr);gap:4px;margin:0;padding:0;list-style:none;display:grid}.steps a,.steps span{border-top:3px solid var(--line);color:var(--muted);padding:8px 0 6px;font-size:12px;line-height:1.3;text-decoration:none;display:block}.steps [data-done=true]{border-top-color:var(--ink)}.steps [aria-current=step]{color:var(--ink);font-weight:600}.steps a:hover{color:var(--ink)}.intro{color:var(--muted);margin:0 0 20px;font-size:14px}.btn{border-radius:var(--pill);cursor:pointer;height:48px;color:var(--ink);background:var(--bg);white-space:nowrap;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:0 22px;font:600 16px/1 inherit;text-decoration:none;transition:background .15s,border-color .15s,color .15s;display:inline-flex}.btn:hover{text-decoration:none}.btn-primary{background:var(--ink);color:#fff}.btn-primary:hover:not(:disabled){background:var(--ink-2)}.btn-secondary{border-color:var(--line-strong)}.btn-secondary:hover:not(:disabled){border-color:var(--ink)}.btn-danger{background:var(--bad);color:#fff}.btn-wrong{border-color:var(--bad);color:var(--bad)}.btn-ghost{height:auto;color:var(--link);background:0 0;padding:4px 6px;font-weight:500}.btn-ghost:hover{text-decoration:underline}.btn:disabled{background:var(--surface-2);color:var(--faint);cursor:not-allowed;border-color:#0000}.btn-block{width:100%}.btn-row{gap:10px;display:flex}.btn-row .btn{flex:1;padding:0 12px}@media (min-width:768px){.btn{height:44px}}.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);margin:0 0 12px;padding:20px}@media (min-width:768px){.card{padding:24px}}.card-strong{border-color:var(--ink);box-shadow:inset 0 0 0 .5px var(--ink)}.chip{border-radius:var(--pill);background:var(--surface-2);height:28px;color:var(--ink);white-space:nowrap;align-items:center;gap:6px;padding:0 12px;font-size:13px;font-weight:500;display:inline-flex}.chip--outline{background:var(--bg);border:1px solid var(--line);color:var(--muted)}.chips{flex-wrap:wrap;gap:8px;display:flex}label{margin-bottom:6px;font-size:14px;font-weight:600;display:block}input[type=email],input[type=password],input[type=text],input[type=month],textarea{border:1px solid var(--line-strong);background:var(--bg);width:100%;height:48px;color:var(--ink);border-radius:12px;padding:0 14px;font:400 16px/1 inherit}textarea{resize:vertical;height:auto;min-height:88px;padding:12px 14px;line-height:1.45}input::placeholder{color:var(--faint)}input:focus,textarea:focus{border-color:var(--ink);outline:none;box-shadow:0 0 0 3px #0b0b0f14}.field+.field{margin-top:14px}.notice{background:var(--warn-soft);color:var(--warn-ink);border-radius:12px;padding:12px 14px;font-size:14px}details{margin:0 0 12px}summary{cursor:pointer;font-size:14px;font-weight:600}details>:not(summary){margin-top:10px}.tiers{gap:12px;display:grid}@media (min-width:640px){.tiers{grid-template-columns:1fr 1fr}}.tier{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--bg);cursor:pointer;margin:0;padding:20px;font-weight:400;transition:border-color .15s;display:block;position:relative}.tier:hover{border-color:var(--line-strong)}.tier[data-selected=true]{border-color:var(--ink);box-shadow:inset 0 0 0 .5px var(--ink)}.tier[aria-disabled=true]{opacity:.55;cursor:not-allowed}.tier input{opacity:0;width:1px;height:1px;position:absolute}.tier:has(input:focus-visible){outline:2px solid var(--link);outline-offset:2px}.tier svg{width:28px;height:28px;stroke:var(--brand);fill:none;stroke-width:1.5px;stroke-linecap:round;stroke-linejoin:round;margin-bottom:14px;display:block}.tier .dot{border:1.5px solid var(--line-strong);border-radius:50%;width:18px;height:18px;position:absolute;top:16px;right:16px}.tier[data-selected=true] .dot{border-color:var(--ink);background:radial-gradient(circle, var(--ink) 0 5px, transparent 6px)}.tier-title{margin-bottom:4px;font-size:1.125rem;font-weight:600;display:block}.tier .small{margin-bottom:12px;display:block}.quote{background:var(--surface-2);border-radius:var(--r);margin:8px 0 14px;padding:10px 12px;font-size:15px;line-height:1.5}.quote a{color:var(--link)}.sticky-bar{margin:20px calc(-1 * var(--pad)) 0;padding:12px var(--pad) calc(12px + env(safe-area-inset-bottom));background:var(--bg);border-top:1px solid var(--line);position:sticky;bottom:0}table{border-collapse:collapse;width:100%;font-size:15px}td{border-top:1px solid var(--line);vertical-align:top;padding:10px 0}tr:first-child td{border-top:0}td:last-child{text-align:right;font-variant-numeric:tabular-nums;padding-left:12px}.good{color:var(--good)}.bad{color:var(--bad)}.stage-wrap{width:100%;margin-bottom:14px;position:relative}.stage-frame{border-radius:var(--r-lg);background:#000;border:0;width:100%;max-height:62vh;display:block}.voice-stage{aspect-ratio:4/3;background:var(--surface-2);border-radius:20px;place-items:center;width:100%;max-height:62vh;display:grid}.orb{background:var(--bg);border:3px solid var(--line-strong);border-radius:50%;width:128px;height:128px;transition:border-color .2s}.orb[data-mode=listening]{border-color:var(--good)}.orb[data-mode=speaking]{border-color:var(--ink)}@media (prefers-reduced-motion:no-preference){.orb[data-mode=speaking]{animation:1.2s ease-in-out infinite pulse}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}}.stage-wrap .chip{pointer-events:none;background:var(--bg);border:1px solid var(--line);position:absolute;top:12px}.stage-wrap .chip.left{left:12px}.stage-wrap .chip.right{right:12px}.state{text-align:center;min-height:1.5em;margin:0 0 8px;font-size:16px;font-weight:600}.counts{flex-wrap:wrap;gap:8px 18px;margin:0 0 16px;font-size:14px;display:flex}.severity{letter-spacing:.06em;text-transform:uppercase;align-items:center;gap:6px;font-size:12px;font-weight:600;display:inline-flex}.severity:before{content:"";background:currentColor;border-radius:50%;width:8px;height:8px}.severity--good{color:var(--good)}.severity--warn{color:var(--warn-ink)}.severity--bad{color:var(--bad)}.finding .caption{margin:4px 0 8px}.turn{border-top:1px solid var(--line);padding:10px 0}.turn:first-child{border-top:0}.turn:target{background:var(--surface-2)}.turn .who{font-size:14px;font-weight:600}.turn .who a{color:var(--muted);margin-left:6px;font-size:13px;font-weight:400}.turn.canceled{color:var(--muted)}.q{border-top:1px solid var(--line);padding:14px 0}.q:first-of-type{border-top:0;padding-top:0}.q p{margin:0 0 10px;font-size:15px;font-weight:500}.seg{flex-wrap:wrap;gap:8px;display:flex}.seg button{border-radius:var(--pill);border:1px solid var(--line-strong);background:var(--bg);min-width:44px;height:44px;color:var(--ink);cursor:pointer;padding:0 14px;font:500 15px/1 inherit}.seg button[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}.seg button.round{width:44px;padding:0}.hero{max-width:640px;margin:24px auto 40px}.demo{margin:0 0 20px}.bubble{border-radius:16px;max-width:85%;padding:10px 14px;font-size:15px;line-height:1.4;display:inline-block}.bubble.q{background:var(--surface-2);border-bottom-left-radius:6px}.bubble.a{border:1px solid var(--brand);border-bottom-right-radius:6px}.demo .a-wrap{text-align:right}.demo .who{color:var(--muted);margin:0 0 4px;font-size:12px;font-weight:600;display:block}.demo .a-wrap .who{margin-top:14px}.lead strong{color:var(--ink);font-weight:600}.demo .ok{color:var(--good);margin:12px 0 0;font-size:14px;font-weight:500}.section{max-width:640px;margin:0 auto 48px}.rows>div{border-top:1px solid var(--line);grid-template-columns:36px 1fr;gap:0 8px;padding:16px 0;display:grid}.rows>div:first-child{border-top:0}.rows .n{color:var(--muted);font-variant-numeric:tabular-nums;padding-top:4px;font-size:13px}.rows h2{margin-bottom:2px}.signin{max-width:440px;margin:8px auto 40px;scroll-margin-top:72px}.footer{border-top:1px solid var(--line);text-align:center;max-width:640px;margin:24px auto 0;padding-top:24px}.code-box{margin:16px 0 0}.code-box label{margin-bottom:6px;font-size:14px;font-weight:600;display:block}.code-box .btn-row{flex-wrap:nowrap}.code-box input{flex:1;min-width:0}.code-box p{margin:8px 0 0}