:root{
  --vi-primary:#6c4e8f; /* roxo do logo (aprox.) */
  --vi-accent:#cfa7ff; /* claro roxo/lilás */
  --vi-green:#3aa36b; /* menos ênfase */
}

.btn-primary{background-color:var(--vi-primary);border-color:var(--vi-primary)}
.btn-primary:hover{background-color:#5b4278;border-color:#5b4278}
.btn-primary-soft{color:var(--vi-primary);background:#f2ecf9;border:1px solid #e8dbff}
.badge.bg-success-soft{background:#e7f6ee;color:#1f7a4c}

.site-header .navbar-brand span{color:var(--vi-primary)}
.hero{background:linear-gradient(180deg,#faf7ff,transparent)}

.whatsapp-fab{position:fixed;right:18px;bottom:18px;width:54px;height:54px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(0,0,0,.2)}
.whatsapp-fab img{width:28px;filter:invert(1)}

.card-product{border:1px solid #eee;border-radius:10px;overflow:hidden}
.card-product .thumb{background:#f6f6f6;border-bottom:1px solid #eee}
.card-product .title{font-weight:600}
.price{color:var(--vi-primary);font-weight:700}