:root{color-scheme:dark;--bg:var(--af-bg);--text:var(--af-text);--muted:var(--af-text-muted);--mint:var(--af-primary);--line:var(--af-border-subtle);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{appearance:none;cursor:pointer;min-height:40px;padding:9px 14px;border:1px solid var(--af-border-control);border-radius:9px;background:var(--af-surface-raised);color:var(--mint);font-weight:600;line-height:1.35}button:where(:hover:not(:disabled)){background:var(--af-surface-raised);border-color:var(--af-border-control)}a{color:inherit;text-decoration:none}button{color:inherit}img{display:block;max-width:100%;height:auto}p{line-height:1.7;color:var(--muted);font-size:17px}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid var(--mint);outline-offset:5px}button:disabled{opacity:.55;cursor:wait}[hidden]{display:none!important}.wrap{max-width:1280px;margin-inline:auto;padding-inline:64px}.site-header{height:92px;display:flex;align-items:center;justify-content:space-between;padding:0 4.5%;background:color-mix(in srgb,var(--af-surface) 96.08%,transparent);border-bottom:1px solid var(--af-border-subtle);position:relative;z-index:2}.wordmark{color:var(--af-text);display:flex;align-items:center;gap:12px;white-space:nowrap;font-size:16px;letter-spacing:.13em;font-weight:800}.wordmark img{border-radius:12px}.wordmark b{color:var(--mint);font-weight:800}.site-header nav{display:flex;gap:30px;font-size:14px;color:var(--af-text)}.site-header nav a:hover{color:var(--mint)}.login-button{border:1px solid var(--af-border-control);background:transparent;border-radius:6px;padding:12px 22px;min-height:46px;display:flex;gap:24px}.login-button:hover{background:color-mix(in srgb,var(--af-primary) 8.24%,transparent)}.hero{min-height:660px;height:min(780px,calc(100svh - 92px));position:relative;display:flex;align-items:center;isolation:isolate}.hero-image,.hero-shade{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}.hero-image{object-position:65% center}.hero-shade{z-index:-1;background:linear-gradient(90deg,color-mix(in srgb,var(--af-bg) 96.08%,transparent) 0%,color-mix(in srgb,var(--af-bg) 85.1%,transparent) 25%,color-mix(in srgb,var(--af-bg) 41.18%,transparent) 49%,color-mix(in srgb,var(--af-bg) 0%,transparent) 74%),linear-gradient(0deg,var(--af-bg),transparent 22%)}.hero-content{padding:35px 0 70px 8%;max-width:670px}.eyebrow{font-size:11px;letter-spacing:.18em;color:var(--mint);font-weight:650;display:flex;align-items:center;gap:10px}.spark{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 16px color-mix(in srgb,var(--af-bg) 53.33%,transparent);flex:none}h1{font-size:clamp(70px,7.7vw,116px);line-height:.99;font-weight:500;letter-spacing:-.065em;margin:30px 0}em{font-style:normal;color:var(--mint)}.hero-copy{max-width:440px;color:var(--af-text);font-size:18px;line-height:1.65}.cta-row{display:flex;align-items:center;gap:25px;margin-top:32px}.primary{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;border:1px solid var(--mint);background:var(--mint);color:var(--af-on-primary);border-radius:6px;padding:17px 23px;font-weight:650;font-size:15px;min-height:54px}.primary:hover{background:var(--af-primary-hover)}.text-link{font-size:14px;border:0;border-bottom:1px solid var(--af-border-control);background:transparent;padding:10px 0;color:var(--text);display:inline-flex;gap:18px;align-items:center}.hero-note{font-size:12px;color:var(--af-text-muted);margin-top:24px}.hero-caption{position:absolute;bottom:26px;left:8%;right:4.5%;display:flex;justify-content:space-between;font-size:10px;letter-spacing:.1em;color:var(--af-text-muted)}.intro{padding-top:104px;display:grid;grid-template-columns:1.3fr 1fr;align-items:end;gap:70px}h2{font-size:clamp(34px,3.8vw,52px);line-height:1.12;letter-spacing:-.045em;font-weight:500;margin:20px 0}h3{font-size:21px;font-weight:500;letter-spacing:-.025em}.intro>p{margin-bottom:22px;max-width:410px}.senses{display:grid;grid-template-columns:repeat(3,1fr);padding-top:56px;padding-bottom:112px;gap:38px}.senses article{border-top:1px solid var(--line);padding-top:24px}.sense-number{color:var(--af-text-muted);font-size:10px;letter-spacing:.15em}.senses p{font-size:15px;max-width:310px}.sense-symbol{height:70px;margin-top:32px;display:flex;align-items:center;gap:5px;color:var(--mint)}.sound i{width:3px;background:var(--mint);height:16px;border-radius:2px}.sound i:nth-child(2n){height:32px}.sound i:nth-child(3n){height:46px}.sound i:nth-child(4){height:60px}.light{position:relative;width:110px}.light:before{content:"";width:110px;height:1px;background:var(--af-surface-raised)}.light i{position:absolute;right:0;width:12px;height:12px;background:var(--af-surface-raised);box-shadow:0 0 18px var(--af-bg);border-radius:50%}.light i:before{content:"";position:absolute;right:5px;top:4px;width:60px;height:4px;background:linear-gradient(90deg,transparent,var(--af-surface-raised));filter:blur(2px)}.touch{gap:20px}.touch i{width:38px;height:38px;border:1px solid var(--af-primary);border-radius:50%;outline:1px solid var(--af-border-subtle);outline-offset:7px;box-shadow:inset 0 0 15px color-mix(in srgb,var(--af-bg) 8.24%,transparent)}.feature{display:grid;grid-template-columns:1.1fr 1fr;gap:66px;align-items:center;padding-top:60px;padding-bottom:100px;border-top:1px solid var(--line)}.feature-image{position:relative}.feature-image img{aspect-ratio:1.06;object-fit:cover;border-radius:8px;object-position:45% center}.feature-connected .feature-image img{aspect-ratio:16/9;object-fit:contain;object-position:center;background:var(--af-bg)}.image-caption{display:block;font-size:10px;color:var(--af-text-muted);letter-spacing:.06em;padding-top:13px}.feature-copy>p:not(.eyebrow){font-size:16px}.feature-list{list-style:none;padding:8px 0 0}.feature-list li{display:flex;gap:22px;border-top:1px solid var(--line);padding:20px 0}.feature-list li>span{font-size:11px;color:var(--mint);padding-top:4px}.feature-list h3{font-size:17px;margin:0 0 6px}.feature-list p{font-size:14px;margin:0;line-height:1.6}.immersive{position:relative;isolation:isolate;min-height:680px;display:flex;align-items:center;overflow:hidden}.immersive>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}.immersive:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,color-mix(in srgb,var(--af-bg) 94.9%,transparent),color-mix(in srgb,var(--af-bg) 73.33%,transparent) 32%,color-mix(in srgb,var(--af-bg) 13.33%,transparent) 72%)}.immersive-copy{padding:60px 8%;max-width:700px}.immersive h2{font-size:clamp(42px,4.4vw,64px)}.immersive-copy>p:not(.eyebrow){max-width:360px}.wearable{padding-top:110px;border:0;grid-template-columns:1fr 1.1fr}.wearable .feature-image img{aspect-ratio:16/9;object-position:center}.development-note{display:flex;align-items:start;gap:15px;padding-top:20px;margin-top:28px;border-top:1px solid var(--line)}.development-note>.spark{margin-top:7px}.development-note p{font-size:12px;margin:0;line-height:1.65}.development-note strong{color:var(--text);font-weight:600}.steps{border-top:1px solid var(--line);padding-block:64px 88px}.steps ol{padding:28px 0 0;list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:48px;counter-reset:item}.steps li>span{font-size:36px;letter-spacing:-.06em;color:var(--af-primary);font-weight:300}.steps li h3{margin:24px 0 12px}.steps li p{font-size:15px}.faq{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1.5fr;gap:70px;padding-block:72px 100px}.questions details{border-bottom:1px solid var(--line);padding:20px 0}.questions summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:25px;font-size:16px;line-height:1.5}.questions summary::-webkit-details-marker{display:none}.questions summary:after{content:"+";color:var(--mint);font-size:22px;line-height:1}.questions details[open] summary:after{content:"−"}.questions p{font-size:15px}.final-cta{text-align:center;padding-block:85px 100px;position:relative;overflow:hidden;isolation:isolate;border-top:1px solid var(--line)}.final-cta .eyebrow{justify-content:center}.final-cta h2{font-size:clamp(40px,4.6vw,64px);margin:24px 0 32px}.final-cta>p:last-child{font-size:13px;margin-top:24px}.cta-orbit{position:absolute;z-index:-1;inset:10% 12% -70%;border-radius:50%;border:1px solid var(--af-border-subtle);box-shadow:0 0 100px color-mix(in srgb,var(--af-bg) 1.96%,transparent),inset 0 0 90px color-mix(in srgb,var(--af-bg) 3.14%,transparent)}.inline-button{border:0;background:none;color:var(--mint);padding:8px 2px;text-decoration:underline;text-underline-offset:4px;font-size:14px;min-height:36px}footer{border-top:1px solid var(--line);display:flex;align-items:center;gap:28px;padding-block:30px}footer .wordmark{font-size:12px;gap:8px}footer p{font-size:12px;flex:1}footer>span{font-size:11px;color:var(--muted)}.skip{position:fixed;top:-80px;left:10px;padding:12px;background:var(--mint);color:var(--af-on-primary);z-index:10}.skip:focus{top:10px}dialog{border:1px solid var(--af-border-control);border-radius:16px;background:var(--af-surface);color:var(--text);max-width:460px;width:calc(100% - 32px);padding:36px;box-shadow:0 30px 100px color-mix(in srgb,var(--af-bg) 53.33%,transparent);max-height:calc(100svh - 32px)}dialog::backdrop{background:color-mix(in srgb,var(--af-bg) 74.9%,transparent);backdrop-filter:blur(8px)}dialog>img{border-radius:12px;margin-bottom:24px}dialog h2{font-size:32px;margin:16px 0 10px}dialog>p:not(.eyebrow){font-size:14px}dialog .eyebrow{font-size:9px}dialog label{display:block;font-size:13px;margin:18px 0 8px}dialog input{min-height:48px;width:100%;background:var(--af-bg);border:1px solid var(--af-border-control);border-radius:6px;padding:12px;color:var(--text);font-size:16px}dialog small{color:var(--muted);display:block;font-size:11px;line-height:1.5;margin-top:6px}.password-input{position:relative}.password-input input{padding-right:65px}.password-input button{position:absolute;right:4px;top:4px;bottom:4px;background:transparent;border:0;font-size:12px;color:var(--mint);padding:0 12px}.dialog-close{position:absolute;right:15px;top:15px;width:40px;height:40px;font-size:28px;background:transparent;border:0;color:var(--muted)}#account-submit{width:100%;margin-top:10px}#account-message{font-size:13px;color:var(--mint);line-height:1.6}#account-message[data-error="true"]{color:var(--af-danger)}.account-options{display:flex;justify-content:space-between;gap:14px;padding-top:15px}.account-options .inline-button,.activation-option{font-size:12px}.account-privacy{font-size:11px!important;border-top:1px solid var(--line);padding-top:17px;margin:15px 0 0!important}
@media(min-width:1600px){.hero-content{padding-left:calc((100% - 1280px)/2 + 64px)}}@media(max-width:1000px){.wrap{padding-inline:32px}.site-header nav{gap:16px;font-size:12px}.feature{gap:34px}.intro{gap:30px}.cta-row{flex-wrap:wrap;gap:12px 24px}.hero-content{padding-left:6%;max-width:560px}.senses{gap:25px}.hero-shade{background:linear-gradient(90deg,color-mix(in srgb,var(--af-bg) 94.9%,transparent),color-mix(in srgb,var(--af-bg) 70.2%,transparent) 44%,color-mix(in srgb,var(--af-bg) 6.67%,transparent)),linear-gradient(0deg,var(--af-bg),transparent 25%)}.faq{gap:35px}footer{flex-wrap:wrap}}@media(max-width:700px){.site-header{height:76px;padding-inline:20px}.site-header nav{display:none}.wordmark{font-size:12px;gap:8px}.wordmark img{width:38px;height:38px}.login-button{padding:10px 14px;gap:15px;font-size:13px}.wrap{padding-inline:24px}.hero{min-height:740px;height:auto;align-items:flex-end}.hero-image{height:440px;object-position:65% center}.hero-shade{background:linear-gradient(0deg,var(--af-bg) 40%,color-mix(in srgb,var(--af-bg) 53.33%,transparent) 70%,color-mix(in srgb,var(--af-bg) 6.67%,transparent))}.hero-content{padding:260px 24px 65px;max-width:100%}.hero h1{font-size:76px;margin:20px 0}.hero-copy{font-size:16px;max-width:390px}.hero .eyebrow{font-size:9px}.hero-caption{left:24px;right:24px;bottom:20px;font-size:8px}.hero-caption>span:first-child{display:none}.hero-caption>span:last-child{margin-left:auto}.cta-row{margin-top:24px;gap:12px 22px}.hero-note{font-size:11px}.intro{padding-top:65px;grid-template-columns:1fr;gap:8px}.intro p{font-size:16px}.senses{grid-template-columns:1fr;padding-top:30px;padding-bottom:65px;gap:30px}.senses article{position:relative;padding-right:64px}.sense-symbol{position:absolute;right:0;top:34px;transform:scale(.65);transform-origin:right center}.senses p{max-width:85%}.senses h3{margin-bottom:10px}.feature,.wearable{grid-template-columns:1fr;padding-block:50px 65px;gap:35px}.feature-image img{aspect-ratio:1.4}.feature-copy h2{font-size:40px}.wearable .feature-image img{aspect-ratio:16/9}.wearable .feature-image{grid-row:1}.immersive{min-height:640px;align-items:flex-end}.immersive>img{height:390px;object-position:65% center}.immersive:after{background:linear-gradient(0deg,var(--af-bg) 24%,color-mix(in srgb,var(--af-bg) 60%,transparent) 57%,color-mix(in srgb,var(--af-bg) 0%,transparent))}.immersive-copy{padding:300px 24px 40px}.immersive h2{font-size:46px}.immersive p{font-size:16px}.steps{padding-block:50px}.steps ol{grid-template-columns:1fr;gap:25px}.steps li{padding-left:60px;position:relative}.steps li>span{position:absolute;left:0;top:0;font-size:30px}.steps li h3{margin:0 0 10px}.steps li p{margin:0}.faq{grid-template-columns:1fr;gap:20px;padding-block:50px}.final-cta{padding-block:65px}footer{gap:12px;padding-block:25px}footer p{flex-basis:100%;margin:0}footer>span{font-size:10px}dialog{padding:28px}.account-options{gap:8px}html{scroll-padding-top:20px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Duo Ring homepage introduction */
.duo{border-top:1px solid var(--line);padding-block:80px 88px}
.duo-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:start}
.duo-layout>div{min-width:0}
.duo-copy>p:not(.eyebrow){font-size:16px;max-width:540px}
.duo-benefits{margin-top:30px}
.duo-benefits article{display:flex;gap:20px;padding:20px 0;border-top:1px solid var(--line)}
.duo-benefits article>span{color:var(--mint);font-size:11px;padding-top:4px}
.duo-benefits h3{font-size:18px;margin:0 0 7px}
.duo-benefits p{font-size:14px;margin:0;line-height:1.65}
.duo-signal{margin:0;padding:28px;border:1px solid var(--af-border-subtle);border-radius:12px;background:radial-gradient(ellipse at 90% 0%,color-mix(in srgb,var(--af-surface-raised) 33.33%,transparent),transparent 65%),var(--af-surface);overflow:hidden}
.duo-signal-heading{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:center}
.duo-signal-heading .eyebrow{font-size:9px;margin:0}
.duo-concept{font-size:8px;letter-spacing:.09em;color:var(--af-text-muted)}
.duo-callout{font-size:clamp(24px,2.4vw,34px);letter-spacing:-.035em;line-height:1.25;color:var(--text);margin:38px 0 16px}
.duo-chart{display:block;width:100%;height:auto;overflow:visible}
.duo-grid{stroke:var(--af-border-control);stroke-width:1;fill:none}
.duo-trace-halo{fill:none;stroke:var(--af-signal);stroke-width:12}
.duo-trace{fill:none;stroke:var(--mint);stroke-width:2.5;stroke-linecap:round;stroke-dasharray:1;animation:duo-reveal 4s ease-out both}
.duo-axis{display:flex;justify-content:space-between;font-size:8px;letter-spacing:.12em;color:var(--muted);margin:4px 0 24px}
.duo-signal figcaption{font-size:12px;color:var(--muted);line-height:1.7;border-top:1px solid var(--line);padding-top:18px}
.duo-explainer h3{font-size:18px;margin:28px 0 10px}
.duo-explainer p{font-size:14px;margin:0}
.duo-process{display:flex;flex-wrap:wrap;gap:8px;font-size:11px;color:var(--mint);line-height:1.8;margin-top:20px}
.duo-context{display:grid;grid-template-columns:1fr 2fr;gap:40px;padding-top:30px;margin-top:32px;border-top:1px solid var(--line)}
.duo-context h3{font-size:21px;margin:0;max-width:240px}
.duo-context p{font-size:14px;margin:0}
.duo-trust{display:flex;gap:16px;background:var(--af-surface-raised);border:1px solid var(--af-border-subtle);border-radius:8px;padding:24px 28px;margin:28px 0 18px}
.duo-trust>.spark{margin-top:7px}
.duo-trust h3{font-size:17px;margin:0 0 8px}
.duo-trust p{font-size:13px;margin:0;line-height:1.7;color:var(--af-text)}
@keyframes duo-reveal{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}
@media(max-width:1000px){.duo-layout{gap:32px}.duo-signal{padding:24px}.duo-context{gap:25px}}
@media(max-width:700px){.duo{padding-block:50px 60px}.duo-layout{grid-template-columns:1fr;gap:24px}.duo-copy h2{font-size:40px}.duo-copy .eyebrow{font-size:9px}.duo-callout{font-size:30px}.duo-context{grid-template-columns:1fr;gap:14px}.duo-context h3{max-width:none}.duo-trust{padding:22px 20px}.duo-signal{padding:24px}.duo-process{font-size:10px}}
@media(prefers-reduced-motion:reduce){.duo-trace{animation:none}}
.header-logins{display:flex;flex:none;flex-wrap:nowrap;align-items:center;gap:10px}.header-logins>*{flex:none;white-space:nowrap}.client-login-button{border:0;background:transparent;color:var(--mint);font:inherit;padding:12px 10px;cursor:pointer}.client-login-button:hover{color:var(--af-text)}
@media(max-width:1120px){.site-header nav{display:none}}

.duo-product{margin:0 0 24px}.duo-product a{display:block;border-radius:8px}.duo-product img{width:100%;border-radius:8px}.duo-signal .duo-callout{font-size:24px;margin:24px 0 8px}.duo-signal .duo-chart{max-height:140px}

/* Compatibility aliases resolve to the shared Iris & Ink token layer. */
:root{--bg:var(--af-bg);--text:var(--af-text);--muted:var(--af-text-muted);--mint:var(--af-primary);--green:var(--af-primary);--line:var(--af-border-subtle);--panel:var(--af-surface);--cast-panel:var(--af-surface);--cast-panel-solid:var(--af-surface)}