:root{color-scheme:light;--paper:#f3eee5;--ink:#142c2c;--muted:#53615c;--copper:#f0a06d;--line:#cfcec2}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.6}a{color:inherit}a:focus-visible{outline:3px solid #b95322;outline-offset:5px}img{display:block;max-width:100%;height:auto}.wrap{max-width:1220px;margin-inline:auto;padding-inline:40px}.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:105px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:900;font-size:25px;letter-spacing:1px;line-height:1.1}.brand img{border-radius:50%;width:40px;height:40px;object-fit:cover}.brand-sub{display:block;font-size:9px;letter-spacing:2px;margin-top:5px}.nav nav{display:flex;gap:28px;font-size:14px}.nav nav a{text-decoration:none}.nav nav a:hover{text-decoration:underline}.nav-add{font-weight:bold;font-size:14px;text-underline-offset:6px}.hero{display:grid;grid-template-columns:1.06fr 1fr;align-items:center;padding-top:28px;padding-bottom:60px;gap:38px}.eyebrow{font-size:10px;font-weight:bold;letter-spacing:1.7px;display:block}.hero h1{font-size:clamp(42px,4.7vw,67px);letter-spacing:-3px;line-height:1.06;margin:26px 0}.hero h1 em{font-family:Georgia,serif;font-weight:normal;color:#ae572f;white-space:nowrap}.hero-copy>p{font-size:17px;max-width:430px;color:var(--muted);margin-bottom:30px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:35px;background:var(--ink);color:var(--paper);padding:16px 23px;text-decoration:none;font-weight:bold;font-size:15px;border:1px solid var(--ink);transition:background .15s}.button:hover{background:#31504a}.button span{font-size:22px;line-height:1}.hero-note{display:block;font-size:11px;color:var(--muted);margin-top:14px;max-width:360px}.hero-art{position:relative;background:#112322;overflow:hidden}.hero-art>img{width:100%;aspect-ratio:1/1;object-fit:cover}.art-caption{display:flex;justify-content:space-between;gap:12px;background:#112322;color:var(--copper);font-size:9px;font-weight:bold;letter-spacing:1px;padding:15px 18px}.ticker{border-block:1px solid var(--line);display:flex;justify-content:center;align-items:center;gap:28px;padding:18px 20px;font-size:11px;font-weight:bold;letter-spacing:1.3px;flex-wrap:wrap}.ticker span{color:#ad552c}.section{padding-block:76px}.section-head{display:flex;justify-content:space-between;gap:40px;align-items:flex-start;margin-bottom:44px}.section-head>.eyebrow{padding-top:12px;min-width:190px}h2{font-size:clamp(30px,3vw,40px);line-height:1.15;letter-spacing:-1.4px;margin:0;max-width:700px;width:67%}h3{font-size:24px;line-height:1.25;letter-spacing:-.6px;margin:20px 0 18px}p{margin:0 0 18px}.features{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}.features article{border-top:2px solid var(--ink);padding-top:20px}.number{font-size:10px;letter-spacing:1.4px;color:var(--muted);font-weight:bold}.features p{font-size:14px;color:var(--muted)}.detail{display:flex;align-items:center;gap:14px;margin:24px 0 14px;font-size:11px;font-weight:bold}code{font-family:Consolas,monospace;font-size:.93em;white-space:nowrap} .detail code{font-size:13px;border:1px solid var(--line);padding:4px 9px;color:var(--ink)}.features .small{font-size:12px}.start{background:var(--ink);color:var(--paper)}.start .eyebrow{color:var(--copper)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:35px;padding:0;list-style:none;margin:0}.steps li{border-top:1px solid #5b6d66;padding-top:24px;display:flex;align-items:baseline;gap:18px}.steps li>span{font-family:Georgia,serif;font-style:italic;font-size:42px;line-height:1;color:var(--copper)}.steps h3{font-size:18px;margin:0 0 12px}.steps p{font-size:14px;color:#ced5ca}.steps code{color:#ffbd94}.command-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.command-grid h3{font-size:17px;border-bottom:1px solid var(--line);padding-bottom:16px;margin-top:0}.command-grid dl{margin:0}.command-grid dt{font-family:Consolas,monospace;font-weight:bold;font-size:13px;margin-top:18px;overflow-wrap:anywhere}.command-grid dd{margin:3px 0 0;font-size:13px;color:var(--muted)}.closing{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:35px;margin-bottom:45px}.closing img{width:100%}.closing h2{font-size:31px;width:auto;margin:14px 0 25px}.notice{font-size:12px;color:var(--muted);margin-bottom:45px}.notice strong{color:var(--ink)}.notice p{margin-top:8px;max-width:970px}.footer{border-top:1px solid var(--line);padding-block:30px;display:flex;justify-content:space-between;gap:30px}.footer p{font-size:11px;color:var(--muted);margin:10px 0}.footer-links{display:flex;gap:24px;flex-wrap:wrap;align-items:center;font-size:11px}.footer-links a{text-underline-offset:3px}.skip{position:absolute;top:-100px;left:20px;background:var(--paper);padding:12px;z-index:10}.skip:focus{top:10px}@media(max-width:800px){.wrap{padding-inline:24px}.nav{min-height:85px}.nav nav{gap:14px;font-size:12px}.hero{gap:22px}.hero h1{font-size:44px;letter-spacing:-2px}.hero-copy>p{font-size:15px}.hero-note{font-size:10px}.hero .eyebrow{font-size:9px;letter-spacing:1px}.art-caption{font-size:8px;flex-wrap:wrap}.ticker{gap:14px;font-size:9px}.section{padding-block:55px}.features,.steps,.command-grid{gap:22px}.features h3{font-size:21px}.detail{flex-wrap:wrap;gap:7px}.closing h2{font-size:25px}.footer{flex-direction:column}.footer-links{gap:18px}}@media(max-width:580px){.wrap{padding-inline:20px}.nav nav{display:none}.hero{grid-template-columns:1fr;padding-top:20px;padding-bottom:35px;gap:30px}.hero h1{font-size:52px;letter-spacing:-2.5px}.hero-copy>p{max-width:350px}.hero-art>img{aspect-ratio:1.15/1;object-position:center 35%}.hero-note{font-size:11px}.hero .eyebrow{font-size:9px}.ticker{gap:10px}.ticker span:last-of-type{display:none}.section-head{display:block;margin-bottom:30px}.section-head>.eyebrow{padding:0;margin-bottom:20px}h2{width:auto;font-size:32px}.features,.steps,.command-grid{grid-template-columns:1fr;gap:28px}.features h3 br{display:none}.features h3{font-size:26px}.features p{max-width:420px}.features .small{margin-bottom:0}.detail{margin-top:18px}.steps li{gap:22px}.steps p{margin-bottom:0}.closing{grid-template-columns:1fr;gap:24px}.closing h2{font-size:32px}.footer-links{flex-direction:column;align-items:flex-start;gap:12px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}

/* Official Riva artwork, kept at its original proportions. */
.feature-icons{display:flex;gap:10px;align-items:center;margin-bottom:20px;min-height:64px}.feature-icons img{width:64px;height:64px;object-fit:contain;border-radius:8px}.notice-icon{float:left;margin:0 16px 10px 0;border-radius:6px}.notice:after{content:"";display:block;clear:both}.hero-art>img{aspect-ratio:1/1;object-fit:contain}

.command-grid .small{font-size:13px;color:var(--muted);margin-top:18px}.command-grid+p.small{font-size:13px;color:var(--muted);margin-top:28px}
.voice-mode{margin-top:32px;padding-top:24px;border-top:1px solid #5b6d66;max-width:900px}.voice-mode h3{font-size:18px;margin:0 0 12px}.voice-mode p{font-size:14px;color:#ced5ca;margin-bottom:12px}.voice-mode p:last-child{margin-bottom:0}.voice-mode code{color:#ffbd94}.section>p.small{font-size:13px;color:var(--muted);max-width:970px}.footer>div:first-child{flex-shrink:0}