:root{--green:#087F5B;--dark:#044A35;--yellow:#FCD116;--red:#E8112D;--text:#1b2421;--muted:#5b6b66;--bg:#f6f8f7;--card:#fff}
@media (prefers-color-scheme:dark){:root{--text:#e8efec;--muted:#9fb1ab;--bg:#0f1513;--card:#17201d}}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
header{background:linear-gradient(160deg,var(--green),var(--dark));color:#fff;padding:48px 16px 40px;text-align:center}
header a{color:#fff;text-decoration:none}
.logo{display:inline-flex;align-items:center;gap:12px;font-weight:800;font-size:1.5rem}
.logo img{width:48px;height:48px;border-radius:12px}
header p{margin:12px auto 0;max-width:560px;opacity:.9}
main{max-width:760px;margin:0 auto;padding:32px 16px 64px}
.card{background:var(--card);border-radius:16px;padding:24px;margin-bottom:16px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
h1{font-size:1.6rem;margin:0 0 8px}
h2{font-size:1.15rem;margin:0 0 8px;color:var(--green)}
@media (prefers-color-scheme:dark){h2{color:#4fd1a5}}
a{color:var(--green)}
@media (prefers-color-scheme:dark){a{color:#4fd1a5}}
.btn{display:inline-block;background:var(--green);color:#fff;padding:12px 20px;border-radius:999px;text-decoration:none;font-weight:600}
.muted{color:var(--muted);font-size:.9rem}
footer{text-align:center;padding:24px 16px;color:var(--muted);font-size:.85rem}
footer a{margin:0 8px}