:root{color-scheme:light dark;--bg:#eef2f8;--surface:#ffffff;--text:#1d2433;--muted:#5f6b7d;--border:#d8dee8;--accent:#1858b8;--link:#1858b8;--heading:#1858b8;--sub:#0086c2}@media(prefers-color-scheme:dark){:root{--bg:#0e141e;--surface:#172030;--text:#e3e8f0;--muted:#9aa6b8;--border:#2a3548;--link:#6cb6ff;--heading:#8ec5ff;--sub:#5fd0ff}}*,*::before,*::after{box-sizing:border-box}body{margin:0 auto;padding:1.5rem 1rem 0;max-width:60rem;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,segoe ui,Roboto,helvetica neue,Arial,sans-serif;font-size:1.0625rem;line-height:1.65}h1,h2,h3{line-height:1.25;margin:0}h1{font-size:1.75rem;color:var(--heading);padding-top:1.5rem}h2{font-size:1.1rem;font-weight:500;color:var(--sub);margin-bottom:1rem}h3{font-size:1.1rem;color:var(--heading);margin:1.5rem 0 .25rem}section:first-child>h1,#content>h1:first-child{padding-top:0}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}a.dark{color:inherit}img{max-width:100%;height:auto}header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.5rem 1rem;background:var(--accent);border-radius:12px 12px 0 0;box-shadow:0 2px 8px rgb(0 0 0/.12)}header a,header a:visited{display:inline-flex;align-items:center;gap:.4rem;color:#fff;font-weight:500}header a:hover{color:#bfe6ff;text-decoration:none}header .brand{font-size:1.35rem;font-weight:700;letter-spacing:.02em}header .brand img{display:block}header nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:.25rem 1.25rem}header svg{width:1.1em;height:1.1em}@media(max-width:480px){header nav a:first-child{display:none}header nav svg{display:none}}#content{background:var(--surface);border:1px solid var(--border);border-top:none;border-radius:0 0 12px 12px;padding:2rem clamp(1rem,4vw,2.5rem);box-shadow:0 8px 24px rgb(0 0 0/6%)}#qrcode{float:right;margin:0 0 1rem 1.5rem;text-align:center}@media(max-width:640px){#qrcode{display:none}}footer{padding:1.5rem 0 3rem;font-size:.875rem;color:var(--muted);text-align:center}footer p{margin:.25rem 0}li{padding:2px 0}.little{font-size:.8em}.center{text-align:center}.clearfix{clear:both}.hero{padding:1rem 0 2rem}.hero h1{font-size:clamp(2rem,5vw,2.75rem);padding-top:0;margin-bottom:1rem}.lead{font-size:1.2rem;color:var(--muted);max-width:36rem}.cta{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem 1rem;margin-top:1.5rem}.cta .play-badge{display:block;height:74px;width:auto;margin:-12px}.button{display:inline-block;padding:.7rem 1.3rem;border-radius:8px;background:var(--accent);color:#fff;font-weight:600}.button:hover{text-decoration:none;filter:brightness(1.1)}.button.secondary{background:0 0;color:var(--link);box-shadow:inset 0 0 0 2px currentColor}.features{display:grid;grid-template-columns:1fr;gap:1rem;clear:both}@media(min-width:560px){.features{grid-template-columns:repeat(2,1fr)}}@media(min-width:860px){.features{grid-template-columns:repeat(3,1fr)}}.card{padding:1.25rem;border:1px solid var(--border);border-radius:10px;background:var(--bg)}.card h3{margin-top:.5rem}.card p{margin:.25rem 0 0;font-size:.95rem}.card svg{color:var(--heading)}.faq details{border-bottom:1px solid var(--border)}.faq summary{cursor:pointer;padding:.9rem 0;font-weight:600;color:var(--heading);list-style:none;display:flex;justify-content:space-between;gap:1rem}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"+";font-size:1.3em;line-height:1;transition:transform .2s}.faq details[open] summary::after{transform:rotate(45deg)}.faq details>div{padding-bottom:1rem}.faq details>div p{margin:0 0 .5rem}