:root{
  --bg:#f7f5f0;--ink:#14213d;--mu:#5b6478;--card:#ffffff;--bd:#e6e1d6;
  --ac:#0f766e;--ac2:#0b5a54;--btn-tx:#ffffff;--glow:rgba(15,118,110,.35);
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0e1420;--ink:#eef2f8;--mu:#9aa6bb;--card:#172033;--bd:#26324a;
    --ac:#2dd4bf;--ac2:#5eead4;--btn-tx:#06201d;--glow:rgba(45,212,191,.3);
  }
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{
  background:var(--bg);color:var(--ink);line-height:1.5;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  font-family:Georgia,"Times New Roman",serif;font-weight:700;font-size:20px;
  color:var(--ink);text-decoration:none;letter-spacing:.2px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:52px;padding:0 28px;border-radius:14px;border:0;cursor:pointer;
  background:var(--ac);color:var(--btn-tx);font:inherit;font-weight:650;font-size:17px;
  text-decoration:none;box-shadow:0 10px 24px -10px var(--glow);
  transition:transform .15s ease,background .15s ease;
}
.btn:hover{background:var(--ac2)}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:3px solid var(--ac);outline-offset:3px}