.mail-card{
  display: grid; gap: 10px;
  padding: 18px;
  border-radius: 16px;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.45), transparent 60%),
    rgba(255,255,255,0.18);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border: 1px solid rgba(255,255,255,0.55);
  box-shadow: 0 12px 28px rgba(0,0,0,0.08);
}

.mail-title{
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  color: #111217;
}

.mail-text{
  margin: 0;
  color: rgba(17,18,23,0.72);
  font-size: .95rem;
}

/* Email pill button */
.mail-card .btn{
  display: inline-flex; align-items: center; gap: 8px;
  height: 40px; padding: 0 14px;
  border-radius: 9999px; text-decoration: none; font-weight: 700;
  font-size: .95rem; letter-spacing: .03em;
}
.btn-mail{
  color:#fff; background:#ff3c3c;
  box-shadow: 0 10px 24px rgba(0,0,0,0.12), inset 0 1px 0 rgba(255,255,255,0.6);
  transition: transform .12s ease, opacity .2s ease, background .25s ease;
}
.btn-mail:hover{ transform: translateY(-1px); background:#ff5555; }