:root{
  --td-red:#8F1D1D;
  --td-red-dark:#6F1616;
  --td-ink:#0b0b0b;
  --td-muted:#6b7280;
  --td-border:rgba(255,255,255,.12);
  --td-bg:rgba(10,10,10,.88);
  --td-bg2:rgba(10,10,10,.70);
}

/* Scoped only: no tag resets */
.td-shell{
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 9999;
  background: linear-gradient(180deg, var(--td-bg), var(--td-bg2));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--td-border);
}
.td-shell__inner{
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 14px;
  display:flex;
  align-items:center;
  gap: 12px;
  justify-content: space-between;
}

.td-shell__brand{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  text-decoration:none;
  color: #fff;
  min-width: 200px;
}
.td-shell__logo{
  width: 32px;
  height: 32px;
  display:block;
}
.td-shell__text{
  display:flex;
  flex-direction:column;
  line-height:1.1;
}
.td-shell__text strong{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-size: 13px;
  letter-spacing:.08em;
  text-transform: uppercase;
}
.td-shell__text span{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-size: 12px;
  color: rgba(255,255,255,.72);
}

.td-shell__nav{
  display:flex;
  align-items:center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.td-btn{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-size: 13px;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  color: #fff;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  gap: 8px;
  transition: transform .08s ease, background .2s ease, border-color .2s ease;
  user-select:none;
}
.td-btn:hover{
  background: rgba(255,255,255,.09);
  border-color: rgba(255,255,255,.28);
}
.td-btn:active{ transform: translateY(1px); }

.td-btn--primary{
  background: rgba(143,29,29,.26);
  border-color: rgba(143,29,29,.72);
}
.td-btn--primary:hover{
  background: rgba(143,29,29,.34);
  border-color: rgba(143,29,29,.92);
}

@media (max-width:520px){
  .td-shell__brand{ min-width: 0; }
  .td-shell__text span{ display:none; }
}