/* ============================================================
   Header — barra institucional + header principal + busca
   ============================================================ */
.topbar {
  background: var(--bg-dark);
  color: var(--text-light-muted);
  font-size: 12.5px;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 38px;
  gap: 16px;
}
.topbar-info { display: flex; align-items: center; gap: 22px; overflow: hidden; }
.topbar-info a, .topbar-info span {
  color: inherit; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
}
.topbar-info a:hover { color: var(--rb-blue-light); }
.topbar-info i { color: var(--rb-blue-light); font-size: 11px; }
.topbar-social { display: flex; gap: 12px; }
.topbar-social a { color: var(--text-light-muted); font-size: 13px; }
.topbar-social a:hover { color: #fff; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--line-light);
  transition: box-shadow .3s ease, background .3s ease;
}
.site-header.is-scrolled { box-shadow: 0 10px 30px -18px rgba(5, 20, 37, 0.35); }

.header-main {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  height: 84px;
}

.brand-logo { display: flex; align-items: center; height: 100%; }
.brand-logo img { height: 46px; width: auto; }

.header-search-wrap {
  display: flex;
  align-items: center;
  height: 44px;
  max-width: 620px;
  width: 100%;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--line-light);
  border-radius: 12px;
  box-shadow: 0 6px 18px -10px rgba(5, 20, 37, 0.15);
  overflow: hidden;
  transition: border-color .25s ease, box-shadow .25s ease, max-width .25s ease;
}
.header-search-wrap:focus-within { max-width: 660px; }
.header-search-wrap:focus-within {
  border-color: var(--rb-blue);
  box-shadow: 0 8px 26px -8px rgba(0, 94, 184, 0.35);
}
.header-search-scope {
  border: none;
  border-right: 1px solid var(--line-light);
  background: var(--bg-light-alt);
  height: 100%;
  padding: 0 14px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dark-muted);
  cursor: pointer;
}
.header-search-icon {
  padding: 0 10px 0 16px;
  color: var(--rb-blue);
  font-size: 14px;
}
.header-search-input {
  flex: 1;
  height: 100%;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--text-dark);
  background: transparent;
}
.header-search-input::placeholder { color: var(--text-dark-muted); }
.header-search-kbd {
  margin-right: 12px;
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid var(--line-light);
  background: var(--bg-light-alt);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dark-muted);
  font-family: var(--font-body);
}

.header-actions { display: flex; align-items: center; gap: 10px; }
.header-actions .btn { height: 46px; padding: 0 22px; }

/* Sacola de orçamentos / Favoritos / Cadastro-Login */
.icon-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line-light);
  background: #fff;
  color: var(--text-dark);
  font-size: 15px;
  text-decoration: none;
  flex-shrink: 0;
  transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
}
.icon-btn:hover { background: var(--bg-light-alt); border-color: var(--rb-blue); color: var(--rb-blue); transform: translateY(-1px); }
.icon-btn-whatsapp { background: #1FAE5B; border-color: #1FAE5B; color: #fff; }
.icon-btn-whatsapp:hover { background: #189449; border-color: #189449; color: #fff; }
.icon-btn-badge {
  position: absolute;
  top: -4px; right: -4px;
  min-width: 17px; height: 17px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--rb-blue);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  font-family: var(--font-body);
  display: flex; align-items: center; justify-content: center;
  border: 2px solid #fff;
}

.mobile-panel-icons { display: flex; gap: 12px; margin-bottom: 24px; }
.mobile-panel-icons .icon-btn { background: rgba(255,255,255,0.06); border-color: var(--line-dark); color: var(--text-light); }
.mobile-panel-icons .icon-btn:hover { background: rgba(255,255,255,0.12); color: #fff; border-color: rgba(255,255,255,0.3); }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  position: relative;
  display: inline-block;
  padding: 8px 14px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-dark);
  text-decoration: none;
  border-radius: 8px;
  transition: color .2s ease, background .2s ease;
}
.main-nav a:hover { background: rgba(0, 94, 184, 0.08); color: var(--rb-blue); }
.main-nav a.is-active { color: var(--rb-blue); }

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  border-top: 1px solid var(--line-light);
}

.mobile-search-btn { display: none; }

.mobile-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--line-light);
  background: #fff;
  cursor: pointer;
}
.mobile-toggle span, .mobile-toggle span::before, .mobile-toggle span::after {
  content: ''; display: block; width: 18px; height: 2px; background: var(--text-dark);
  position: relative; transition: transform .25s ease, opacity .25s ease;
}
.mobile-toggle span::before { position: absolute; top: -6px; }
.mobile-toggle span::after { position: absolute; top: 6px; }
.mobile-toggle.is-open span { background: transparent; }
.mobile-toggle.is-open span::before { transform: translateY(6px) rotate(45deg); }
.mobile-toggle.is-open span::after { transform: translateY(-6px) rotate(-45deg); }

.mobile-panel {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 190;
  background: var(--bg-dark);
  padding: 110px 24px 40px;
  overflow-y: auto;
}
.mobile-panel.is-open { display: block; }
.mobile-panel nav { display: flex; flex-direction: column; gap: 4px; margin-bottom: 28px; }
.mobile-panel nav a {
  color: var(--text-light);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 20px;
  padding: 14px 6px;
  border-bottom: 1px solid var(--line-dark);
}
/* Botões inferiores do menu mobile (Cadastre-se / WhatsApp) — circulares,
   mesma linguagem visual dos icon-btn do header (44-52px, borda arredondada
   total), não mais pílulas largura-cheia. */
.mobile-panel .header-actions {
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 16px;
}
.mobile-panel .header-actions .btn {
  width: 52px;
  height: 52px;
  padding: 0;
  border-radius: 50%;
  flex-shrink: 0;
}
.mobile-panel .header-actions .btn span { display: none; }
.mobile-panel .header-actions .btn i { font-size: 18px; }

@media (max-width: 1100px) {
  .main-nav { display: none; }
  .mobile-toggle { display: flex; }
  .header-main { grid-template-columns: auto 1fr auto; height: 72px; }
  .header-search-scope { display: none; }
  .header-actions .btn span { display: none; }
  .header-actions .btn { width: 46px; height: 46px; padding: 0; border-radius: 50%; }
  /* Pesquisa some do header no mobile/tablet (item 1 do pedido do cliente)
     — continua existindo normalmente em produtos.html, só não aparece
     aqui. Sem espaço vazio: header-main volta a 2 colunas (logo + ações). */
  .header-search-wrap { display: none; }
  .header-main { grid-template-columns: auto auto; justify-content: space-between; }
  /* Login e Carrinho ficam visíveis no header mobile (pedido do cliente,
     item 2) — só "Favoritos" (recurso ainda não lançado, data-soon) e o
     botão "Cadastre-se" saem daqui; o cadastro continua acessível pelo
     ícone de Login/Conta e pelo botão circular dentro do menu mobile. */
  .header-main .header-actions .icon-btn { display: none; }
  .header-main .header-actions .icon-btn.rb-account-link,
  .header-main .header-actions .icon-btn#cart-open-btn { display: inline-flex; }
  .header-main .header-actions .rb-signup-link { display: none; }
  /* Lupa de busca some do header em telas grandes (o campo já cobre esse
     papel) e reaparece aqui, onde o campo de busca fica oculto. */
  .header-main .header-actions .mobile-search-btn { display: inline-flex; }
  .nav-row { display: none; }
}
@media (max-width: 720px) {
  .topbar-info a:nth-child(n+3) { display: none; }
  .brand-logo img { height: 34px; }
  /* Logo mais próxima da borda esquerda no mobile (pedido do cliente) */
  .site-header .container.header-main { padding-left: 14px; padding-right: 14px; }
}
@media (max-width: 380px) {
  /* Em telas bem estreitas, logo + 4 ícones (lupa/conta/carrinho/menu)
     não cabiam nos 44px de sempre e estouravam a largura da página,
     causando rolagem horizontal indevida no site inteiro. Aperta só aqui. */
  .site-header .container.header-main { padding-left: 10px; padding-right: 10px; gap: 8px; }
  .header-actions { gap: 6px; }
  .header-main .header-actions .icon-btn,
  .header-main .header-actions .mobile-toggle { width: 40px; height: 40px; }
  .brand-logo img { height: 30px; }
}