:root{--c:#2d5a4a;--bg:#fbfaf7;--tx:#222;--mut:#555}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--tx);background:var(--bg);line-height:1.6}
header,footer{background:var(--c);color:#fff;padding:14px 20px}
header nav a,footer a{color:#fff;margin-right:14px;text-decoration:none;font-size:15px}
main{max-width:760px;margin:0 auto;padding:24px 20px}
h1{font-size:28px;color:var(--c)}
h2{font-size:21px;color:var(--c);margin-top:28px}
.btn{display:inline-block;background:var(--c);color:#fff;padding:12px 20px;border-radius:8px;text-decoration:none;margin:8px 0}
.btn.alt{background:#fff;color:var(--c);border:2px solid var(--c)}
.box{background:#fff;border:1px solid #e3e1da;border-radius:10px;padding:16px;margin:14px 0}
.wa{position:fixed;right:16px;bottom:16px;background:#25d366;color:#fff;padding:12px 16px;border-radius:30px;text-decoration:none;font-weight:600;box-shadow:0 2px 8px rgba(0,0,0,.2)}
footer{margin-top:40px;font-size:14px}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;text-decoration:none}
.logo{height:36px;width:auto;display:block;background:#fff;border-radius:8px;padding:3px}
.hero-logo{display:block;max-width:220px;width:60%;margin:6px auto 22px;border-radius:16px}