:root{--bg:#fbfcfa;--fg:#263c32;--muted:#5f6f58;--accent:#3a6b4d;--card:#fff;--border:#e3e9dc;--soft:#eaf1e2}
@media (prefers-color-scheme:dark){:root{--bg:#141a16;--fg:#e8efe6;--muted:#a9b8a3;--accent:#8fc19c;--card:#1c241e;--border:#2c372e;--soft:#1f2b22}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 ui-rounded,"SF Pro Rounded",-apple-system,system-ui,sans-serif}
main{max-width:760px;margin:0 auto;padding:40px 16px 64px}
header{display:flex;align-items:center;gap:14px;margin-bottom:28px}
header img{width:64px;height:64px;border-radius:16px}
header a{color:inherit;text-decoration:none}
.brand{font-size:28px;font-weight:900;letter-spacing:-.5px}
.brand span{color:var(--accent)}
h1{font-size:34px;line-height:1.2;margin:8px 0 12px}
h2{font-size:21px;margin:32px 0 8px}
p,li{color:var(--muted)}
strong{color:var(--fg)}
a{color:var(--accent)}
.card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:20px 22px;margin:18px 0}
.soft{background:var(--soft)}
nav{display:flex;gap:18px;flex-wrap:wrap;margin-top:40px;padding-top:20px;border-top:1px solid var(--border);font-size:15px}
small{color:var(--muted)}
.intro{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:20px;align-items:center}
.intro picture{display:block}
.intro img{display:block;width:100%;height:auto}
.intro p{margin-bottom:0}
@media(max-width:600px){.intro{grid-template-columns:1fr}.intro picture{width:220px;justify-self:center}.intro h1{font-size:32px}}
.promo{margin:28px 0;background:var(--card);border:1px solid var(--border);border-radius:20px;overflow:hidden}
.promo video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:#edf3e5}
.promo-footer{display:flex;align-items:center;gap:16px;padding:16px 20px}
.promo-footer p{flex:1;margin:0;font-size:15px;line-height:1.5}
.promo-footer span{display:block;font-size:13px;margin-top:4px}
.promo-footer button{flex-shrink:0;border:0;border-radius:999px;background:var(--accent);color:var(--bg);padding:12px 18px;font:inherit;font-size:14px;font-weight:700;cursor:pointer;min-height:44px}
.promo-footer button:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
@media(max-width:480px){.promo-footer{align-items:flex-start;flex-direction:column}.promo-footer button{width:100%}}