.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  border: none;
  transition: background 150ms, color 150ms;
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary { background: var(--structure); color: var(--ink-on-structure); }
.btn-primary:hover { background: var(--structure-dim); }

.btn-gold { background: var(--structure); color: #fff; }
.btn-gold:hover { background: var(--structure-dim); }

.btn-outline { background: transparent; color: var(--structure); border: 1.5px solid var(--structure); }
.btn-outline:hover { background: var(--surface-alt); }

.btn-white { background: #fff; color: var(--structure); }
.btn-white:hover { background: rgba(255,255,255,.9); }

.btn-outline-white { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.6); }
.btn-outline-white:hover { background: rgba(255,255,255,.12); border-color: #fff; }

.btn-sm  { padding: 7px 14px; font-size: 13px; }
.btn-lg  { padding: 14px 28px; font-size: 16px; }
.btn-pill  { border-radius: var(--radius-pill); }
.btn-block { width: 100%; }