:root{
  --bg:#f4f1eb; --card:#ffffff; --ink:#1c2b28; --muted:#70786f; --line:#e6dfd3;
  --accent:#0f6e56; --accent-2:#14936f; --tint:#eaf3ec;
  --shadow:0 1px 2px rgba(28,43,40,.05),0 16px 44px rgba(28,43,40,.08);
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#141719; --card:#1d2124; --ink:#e9e7e1; --muted:#9aa29b; --line:#2c3230;
    --accent:#2ea882; --accent-2:#258a6b; --tint:#1e2a26;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 16px 44px rgba(0,0,0,.4);
    color-scheme:dark;
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Segoe UI",sans-serif;
  font-synthesis:none;min-height:100vh;display:flex;flex-direction:column;
}
header{
  max-width:1080px;margin:0 auto;width:100%;
  padding:calc(26px + env(safe-area-inset-top)) 32px 22px;
  display:flex;justify-content:space-between;align-items:baseline;
  font-size:11px;letter-spacing:.16em;border-bottom:1px solid var(--line);
}
header a{text-decoration:none;color:var(--accent);font-weight:800}
.tag{color:var(--muted)}
main{flex:1;max-width:960px;width:100%;margin:0 auto;padding:96px 32px 110px}
.eyebrow{font-size:11px;letter-spacing:.22em;color:var(--accent-2);margin:0 0 22px;font-weight:700}
h1{font-size:58px;letter-spacing:-.04em;line-height:1.25;margin:0 0 20px;font-weight:650}
h1 span{display:block;font-size:23px;font-weight:400;color:var(--muted);letter-spacing:0;margin-top:10px}
.lede{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0}
.card{
  display:flex;align-items:center;gap:24px;background:var(--card);
  border:1px solid var(--line);border-radius:22px;padding:30px;margin-top:60px;
  box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-2px)}
.icon{
  width:56px;height:56px;flex:none;background:var(--tint);color:var(--accent);
  display:grid;place-items:center;border-radius:16px;font-size:26px;font-weight:700;
}
.card-text{flex:1;min-width:150px}
h2{font-size:17.5px;margin:0 0 6px;font-weight:650}
.card-text p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.7}
.button{
  display:inline-flex;align-items:center;gap:8px;margin-left:auto;
  padding:14px 22px;background:linear-gradient(180deg,var(--accent-2),var(--accent));
  color:#fff;border-radius:12px;text-decoration:none;font-size:14px;font-weight:600;
  white-space:nowrap;box-shadow:0 6px 18px rgba(15,110,86,.25);
  transition:transform .08s ease,opacity .15s ease;
}
.button:active{transform:scale(.97)}
.button[aria-disabled=true]{background:var(--line);color:var(--muted);box-shadow:none;pointer-events:none}
.button[aria-disabled=false]::before{
  content:'';width:7px;height:7px;border-radius:50%;background:#8ff0c6;flex:none;
  animation:blink 2.4s ease-in-out infinite;
}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.45}}
.button:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px}
small{display:block;font-size:11.5px;color:var(--muted);margin-top:16px}
footer{font-size:11px;color:var(--muted);text-align:center;padding:28px;opacity:.8}
@media(max-width:650px){
  header{padding-left:22px;padding-right:22px}
  main{padding:60px 22px 80px}
  h1{font-size:38px}
  h1 span{font-size:18px}
  .card{flex-wrap:wrap;padding:22px;gap:16px;margin-top:42px}
  .button{margin:6px 0 0;width:100%;justify-content:center}
}
