:root{
  --brand-bg: #0b0d12;
  --card-bg: #111418;
  --card-br: 16px;
  --card-bd: 1px solid rgba(255,255,255,.06);
  --shadow: 0 6px 20px rgba(0,0,0,.25);
  --muted: rgba(255,255,255,.65);
}

.brands{
  padding: clamp(16px, 3vw, 40px);
  background: var(--brand-bg);
  color: #4d9846;
}

.brands__header{
  text-align: center;
  margin-bottom: clamp(16px, 2.2vw, 28px);
}

.brands__header h2{
  margin: 0 0 6px;
  font-size: clamp(18px, 2.4vw, 28px);
  letter-spacing: .2px;
}

.brands__hint{
  margin: 0;
  font-size: clamp(12px, 1.4vw, 14px);
  color: var(--muted);
}

/* Grid responsivo de logos */
.logo-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: clamp(10px, 2vw, 18px);
  align-items: stretch;
}

.logo-item{
  background: var(--card-bg);
  border: var(--card-bd);
  border-radius: var(--card-br);
  display: grid;
  place-items: center;
  padding: clamp(10px, 2.2vw, 18px);
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  min-height: 84px; /* garante altura consistente */
}

.logo-item:hover{
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(0,0,0,.35);
  background: #A2F0AA;
}

/* Imagens pequenas, mantendo proporção */
.logo-img{
  max-width: 100%;
  max-height: 40px;                /* tamanho “pequeno” */
  object-fit: contain;
  image-rendering: -webkit-optimize-contrast;
  filter: grayscale(100%) opacity(.8);
  transition: filter .18s ease, transform .18s ease;
  will-change: filter, transform;
}

.logo-item:hover .logo-img{
  filter: grayscale(0%) opacity(1);
  transform: scale(1.03);
}

/* Dark/Light auto (opcional) */
@media (prefers-color-scheme: light){
  :root{
    --brand-bg: #f6f7fb;
    --card-bg: #ffffff;
    --card-bd: 1px solid rgba(0,0,0,.06);
    --muted: rgba(0,0,0,.6);
  }
  .brands{ color:#4d9846; }
}

/* Acessibilidade: foco visível */
.logo-item:focus-within{
  outline: 2px solid #4da3ff;
  outline-offset: 2px;
  transform: translateY(-2px);
}
.logo-item a{ display: contents; } /* caso envolva as logos com link */
}