body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto;color:#fff;background:#000}
.bg{position:fixed;inset:0;background:url("/bio/assets/bg.jpg") center/cover no-repeat}
.bg::after{content:"";position:absolute;inset:0;background:linear-gradient(to bottom,rgba(0,0,0,.15),rgba(0,0,0,.10),rgba(0,0,0,.22))}
.wrap{position:relative;z-index:2;max-width:600px;margin:0 auto;padding:18px 14px 44px}

.hero{
  padding:18px;
  border-radius:28px;
  background:rgba(0,0,0,.28);
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(12px);
  box-shadow:0 20px 40px rgba(0,0,0,.5);
}
.hero-top{display:flex;align-items:center;gap:14px}
.ava{width:72px;height:72px;border-radius:50%;overflow:hidden;border:3px solid rgba(255,255,255,.25);box-shadow:0 0 22px rgba(255,255,255,.18)}
.ava img{width:100%;height:100%;object-fit:cover;display:block}
.who .name{font-weight:950;font-size:22px;letter-spacing:.2px}
.who .sub{margin-top:6px;font-weight:700;opacity:.9}

.social-icons{display:flex;justify-content:center;gap:18px;margin-top:18px}
.icon{
  width:62px;height:62px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;color:#fff;text-decoration:none;
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 10px 25px rgba(0,0,0,.35);
  transition:.25s;
}
.icon:hover{transform:scale(1.10);box-shadow:0 0 22px rgba(255,255,255,.35)}
.icon.fb{background:linear-gradient(135deg,#1877f2,#0d5adf)}
.icon.tg{background:linear-gradient(135deg,#27a7e7,#1275b8)}
.icon.zalo{background:linear-gradient(135deg,#0068ff,#004dc1);font-weight:950}
.icon.tt{background:linear-gradient(135deg,#ff0050,#000)}

h2{margin:18px 6px 12px;font-size:18px;font-weight:950;text-align:center;text-shadow:0 2px 10px rgba(0,0,0,.35)}
.stack{display:flex;flex-direction:column;gap:10px}
.btn{
  display:flex;align-items:center;justify-content:center;text-align:center;
  padding:16px 16px;border-radius:28px;
  background:rgba(0,0,0,.28);
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(10px);
  box-shadow:0 18px 40px rgba(0,0,0,.46);
  text-decoration:none;color:#fff;position:relative;
}
.btn .title{font-weight:950;font-size:16px;line-height:1.15}
.btn .sub{font-size:13px;font-weight:700;opacity:.85;margin-top:6px}
.dot{position:absolute;right:14px;top:50%;transform:translateY(-50%);width:10px;height:10px;border-radius:50%;background:#30d158;box-shadow:0 0 0 3px rgba(48,209,88,.22)}
.footer{margin-top:18px;text-align:center;color:rgba(255,255,255,.62);font-size:12px}