:root{
  --bg:#fefefe;
  --ink:#16181d;
  --muted:#54596b;
  --line:#e6e7ec;
  --card:#ffffff;
  --brand:#0f7a4a;
  --brand-dark:#0b5e39;
  --soft:#f4f7f5;
  --radius:12px;
  --max:880px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:17px;
  line-height:1.75;
}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 16px}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-dark)}

/* header */
.site-head{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.head-row{display:flex;flex-direction:column;gap:8px;padding-top:10px;padding-bottom:10px;align-items:center}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:20px;text-decoration:none;color:var(--ink)}
.brand img{width:36px;height:36px;border-radius:8px}
.nav{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 14px}
.nav a{font-size:15px;text-decoration:none;color:var(--muted);padding:2px 0}
.nav a:hover,.nav a:focus{color:var(--brand-dark)}

/* content */
h1{font-size:27px;line-height:1.3;margin:22px 0 10px}
h2{font-size:22px;line-height:1.35;margin:32px 0 8px}
h3{font-size:18px;margin:22px 0 6px}
p,li{color:#22252c}
ul,ol{padding-left:20px}
li{margin:4px 0}
.lead{font-size:18px;color:#2a2d36}

/* download button */
.dl-box{margin:22px 0;text-align:center}
.dl-btn{
  display:block;width:100%;
  background:var(--brand);color:#fff;
  text-decoration:none;font-weight:700;font-size:18px;
  padding:15px 18px;border-radius:var(--radius);
  box-shadow:0 2px 0 var(--brand-dark);
}
.dl-btn:hover,.dl-btn:focus{background:var(--brand-dark)}
.dl-note{font-size:14px;color:var(--muted);margin:8px 0 0}

/* tables */
.table-wrap{overflow-x:auto;margin:16px 0}
table{border-collapse:collapse;width:100%;font-size:16px;background:var(--card)}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
th{background:var(--soft);width:42%;font-weight:600}

/* boxes */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;margin:18px 0}
.note{background:var(--soft);border-left:4px solid var(--brand);border-radius:8px;padding:12px 14px;margin:18px 0;font-size:16px}

/* faq */
.faq details{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:10px 14px;margin:10px 0}
.faq summary{cursor:pointer;font-weight:600;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--brand)}
.faq details[open] summary::after{content:"\2013"}
.faq p{margin:8px 0 2px}

figure{margin:20px 0}
figure img{width:100%;border-radius:var(--radius);border:1px solid var(--line)}
figcaption{font-size:14px;color:var(--muted);text-align:center;margin-top:6px}

/* footer */
.site-foot{margin-top:40px;border-top:1px solid var(--line);background:#fff;padding:20px 0 30px}
.foot-nav{display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:center;margin:12px 0}
.foot-nav a{font-size:15px;text-decoration:none;color:var(--muted)}
.foot-note{font-size:14px;color:var(--muted);text-align:center}
.copy{font-size:14px;color:var(--muted);text-align:center;margin-top:6px}

/* contact form */
form.contact{margin:18px 0}
form.contact label{display:block;font-weight:600;font-size:15px;margin:12px 0 4px}
form.contact input,form.contact textarea{
  width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff;color:var(--ink)
}
form.contact button{
  margin-top:14px;width:100%;background:var(--brand);color:#fff;border:0;
  padding:14px;border-radius:var(--radius);font-size:17px;font-weight:700;cursor:pointer
}
.msg-ok{background:#eaf6ef;border:1px solid #bfe3cd;border-radius:10px;padding:12px 14px;margin:14px 0}
.msg-err{background:#fdeeee;border:1px solid #f0c9c9;border-radius:10px;padding:12px 14px;margin:14px 0}

@media (min-width:640px){
  body{font-size:18px}
  h1{font-size:34px}
  h2{font-size:25px}
  .head-row{flex-direction:row;justify-content:space-between}
  .dl-btn{display:inline-block;width:auto;min-width:340px}
  figure img{max-width:620px;margin:0 auto}
}