/* ═══════════════════════════════════════════════════════════════════════════
   main.css — identidade visual Ameizze 3D
   Tema estúdio de render 3D: fundo escuro, painéis, cobre como destaque.
   CSS puro, sem Tailwind ou Bootstrap. Mobile-first.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Variáveis de design ───────────────────────────────────────────────── */
:root {
  --bg:          #1a1d24;   /* fundo principal */
  --panel:       #232733;   /* painéis, cards */
  --panel-2:     #2a2f40;   /* painéis secundários */
  --border:      #323849;   /* bordas */
  --text:        #ededef;   /* texto principal */
  --muted:       #9aa0b0;   /* texto secundário */
  --accent:      #e0915a;   /* cobre — cor de destaque */
  --accent-dark: #c4783e;   /* cobre escuro (hover) */
  --accent-glow: rgba(224, 145, 90, 0.18);
  --green:       #4caf82;   /* em estoque */
  --red:         #e05a5a;   /* esgotado */
  --radius:      8px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --shadow:      0 4px 28px rgba(0, 0, 0, 0.45);
  --shadow-sm:   0 2px 10px rgba(0, 0, 0, 0.3);
  --trans:       0.2s ease;
}

/* ── Acessibilidade: respeita prefers-reduced-motion ──────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  /* Desativa AOS programaticamente (ver main.js) */
  [data-aos] { opacity: 1 !important; transform: none !important; }
}

/* ── Reset ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.15;
}
a         { color: inherit; text-decoration: none; }
img       { max-width: 100%; display: block; }
ul        { list-style: none; }
button    { cursor: pointer; border: none; background: none; font-family: inherit; color: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

/* Utilitário de acessibilidade: oculta visualmente mas mantém para leitores */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ── Layout ────────────────────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ═══════════════════════════════════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════════════════════════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(26, 29, 36, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 64px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  flex-shrink: 0;
}

.logo-hex { color: var(--accent); font-size: 1.35rem; line-height: 1; }
.accent   { color: var(--accent); }

/* Nav */
.nav-principal {
  display: flex;
  gap: 0.15rem;
  flex: 1;
}

.nav-link {
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  color: var(--muted);
  transition: color var(--trans), background var(--trans);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--text);
  background: var(--panel);
}

/* Ações do header */
.header-acoes { display: flex; align-items: center; gap: 0.35rem; }

.btn-icone {
  width: 38px;
  height: 38px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  position: relative;
  transition: color var(--trans), background var(--trans);
}

.btn-icone:hover { color: var(--text); background: var(--panel); }

.carrinho-badge {
  position: absolute;
  top: 4px; right: 4px;
  background: var(--accent);
  color: #fff;
  font-size: 0.6rem;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
}

/* Hamburguer (mobile) */
.btn-menu-mobile {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  flex-shrink: 0;
}

.btn-menu-mobile span {
  display: block;
  width: 20px; height: 2px;
  background: var(--muted);
  border-radius: 2px;
  transition: all 0.3s;
}

.btn-menu-mobile.aberto span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.btn-menu-mobile.aberto span:nth-child(2) { opacity: 0; }
.btn-menu-mobile.aberto span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 190;
}
.menu-overlay.ativa { display: block; }

/* ═══════════════════════════════════════════════════════════════════════════
   BOTÕES
   ═══════════════════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background var(--trans), color var(--trans), transform var(--trans), box-shadow var(--trans);
  cursor: pointer;
  border: none;
}

.btn:active { transform: scale(0.97) !important; }

.btn-primario {
  background: var(--accent);
  color: #fff;
}
.btn-primario:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(224, 145, 90, 0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-sm { padding: 0.4rem 0.9rem; font-size: 0.82rem; }

/* ═══════════════════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════════════════ */
.hero {
  padding: 5rem 0 4rem;
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  /* Grade sutil estilo studio de render */
  background-image:
    radial-gradient(ellipse at 60% -10%, rgba(224, 145, 90, 0.07) 0%, transparent 55%),
    linear-gradient(rgba(50, 56, 73, 0.25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(50, 56, 73, 0.25) 1px, transparent 1px);
  background-size: auto, 44px 44px, 44px 44px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-kicker {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero-titulo {
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  margin-bottom: 1.25rem;
}

.hero-desc {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 460px;
  margin-bottom: 2rem;
}

.hero-acoes { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Box do model-viewer no hero */
.hero-viewer-box {
  background: var(--panel);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-bottom: none;
}

.hero-viewer-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-produto-info {
  background: var(--panel);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1.25rem;
  border-top: 1px solid var(--border);
}

.hero-produto-nome { font-weight: 600; font-size: 0.9rem; }
.hero-produto-preco { color: var(--accent); font-weight: 700; font-size: 1.05rem; font-family: 'Space Grotesk', sans-serif; }

/* Placeholder decorativo (quando não há GLB) */
.hero-placeholder {
  position: relative;
  height: 420px;
  background: var(--panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-placeholder-hex {
  position: absolute;
  font-size: 7rem;
  color: var(--border);
  opacity: 0.6;
}
.hero-placeholder-hex--2 { font-size: 4rem; transform: translate(80px, -60px); opacity: 0.35; }
.hero-placeholder-hex--3 { font-size: 5rem; transform: translate(-70px, 70px); opacity: 0.25; }

.hero-placeholder-label {
  position: relative;
  z-index: 1;
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}

/* ═══════════════════════════════════════════════════════════════════════════
   SEÇÃO DE PRODUTOS
   ═══════════════════════════════════════════════════════════════════════════ */
.secao-produtos { padding: 5rem 0; }

.secao-cabecalho {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 2.5rem;
}

.secao-titulo {
  font-size: 2rem;
}

.secao-titulo::after {
  content: '';
  display: block;
  width: 36px; height: 3px;
  background: var(--accent);
  margin-top: 0.5rem;
  border-radius: 2px;
}

.link-ver-mais {
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 600;
  transition: opacity var(--trans);
}
.link-ver-mais:hover { opacity: 0.7; }

/* ── Grade de produtos ── */
.grade-produtos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

/* ── Card de produto ── */
.card-produto {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--trans), box-shadow var(--trans);
  /* vanilla-tilt precisa de preserve-3d */
  transform-style: preserve-3d;
}

.card-produto:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--shadow);
}

.card-produto-link { display: block; }

.card-imagem {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1e2e 0%, #222538 50%, #1e2030 100%);
}

.card-imagem img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

/* Zoom suave no hover (CSS puro, sem JS) */
.card-produto:hover .card-imagem img { transform: scale(1.07); }

.imagem-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder-hex { font-size: 4.5rem; color: var(--border); opacity: 0.7; }

.badge-3d {
  position: absolute;
  top: 0.65rem; right: 0.65rem;
  background: var(--accent);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
}

.card-info { padding: 0.9rem 1rem 0.75rem; }

.card-categoria {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

.card-nome {
  font-size: 0.92rem;
  line-height: 1.35;
  margin-bottom: 0.65rem;
}

.card-rodape {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.card-preco {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent);
}

.tag-estoque  { font-size: 0.7rem; font-weight: 600; }
.em-estoque   { color: var(--green); }
.sem-estoque  { color: var(--red); }

/* Botão Adicionar ao carrinho */
.btn-adicionar {
  display: block;
  width: 100%;
  padding: 0.7rem;
  background: rgba(50, 56, 73, 0.6);
  color: var(--muted);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  border-top: 1px solid var(--border);
  transition: background var(--trans), color var(--trans);
}

.btn-adicionar:hover:not([disabled]) {
  background: var(--accent);
  color: #fff;
}

/* Microinteração: ✓ Adicionado! */
.btn-adicionar.adicionado {
  background: var(--green);
  color: #fff;
}

.btn-adicionar[disabled] {
  cursor: not-allowed;
  opacity: 0.45;
}

/* ═══════════════════════════════════════════════════════════════════════════
   SEÇÃO DIFERENCIAIS
   ═══════════════════════════════════════════════════════════════════════════ */
.secao-diferenciais {
  padding: 4rem 0;
  border-top: 1px solid var(--border);
}

.grade-diferenciais {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.diferencial {
  text-align: center;
  padding: 1.5rem 1rem;
}

.diferencial-icone {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.diferencial h3 { font-size: 0.95rem; margin-bottom: 0.4rem; }
.diferencial p  { font-size: 0.875rem; color: var(--muted); line-height: 1.55; }

/* ═══════════════════════════════════════════════════════════════════════════
   CATÁLOGO (/produtos)
   ═══════════════════════════════════════════════════════════════════════════ */
.pagina-catalogo { padding: 3rem 0 5rem; }

.pagina-cabecalho { margin-bottom: 2rem; }
.pagina-titulo { font-size: 2.4rem; margin-bottom: 0.4rem; }
.pagina-desc   { color: var(--muted); }

.total-resultados {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

/* Filtros */
.filtros {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.form-busca { display: flex; gap: 0.6rem; flex-wrap: wrap; }

.input-busca {
  flex: 1;
  min-width: 200px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.6rem 1rem;
  color: var(--text);
  font-size: 0.9rem;
  transition: border-color var(--trans);
}

.input-busca:focus { outline: none; border-color: var(--accent); }
.input-busca::placeholder { color: var(--muted); }

.filtro-categorias { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.tag-categoria {
  padding: 0.32rem 0.85rem;
  border-radius: 99px;
  font-size: 0.82rem;
  font-weight: 500;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--muted);
  transition: all var(--trans);
  cursor: pointer;
}

.tag-categoria:hover,
.tag-categoria.ativa {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.sem-resultados {
  text-align: center;
  padding: 5rem 0;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.sem-resultados-icone { font-size: 4rem; color: var(--border); }

/* ═══════════════════════════════════════════════════════════════════════════
   PÁGINA DE PRODUTO
   ═══════════════════════════════════════════════════════════════════════════ */
.pagina-produto { padding: 3rem 0 5rem; }

.produto-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  margin-bottom: 5rem;
}

.produto-media {
  position: sticky;
  top: 5rem; /* fica abaixo do header sticky */
}

/* model-viewer na página de produto */
.produto-viewer {
  width: 100%;
  height: 480px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--border);
}

.viewer-dica {
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
  margin-top: 0.75rem;
}

/* Galeria de imagens */
.galeria-principal img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: transform 0.35s ease;
}
.galeria-principal img:hover { transform: scale(1.02); }

.galeria-thumbs {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.galeria-thumbs .thumb {
  width: 70px; height: 70px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color var(--trans);
}
.galeria-thumbs .thumb.ativa,
.galeria-thumbs .thumb:hover { border-color: var(--accent); }

.produto-sem-imagem {
  background: var(--panel);
  border-radius: var(--radius-lg);
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}
.placeholder-grande { font-size: 8rem; color: var(--border); opacity: 0.5; }

/* Breadcrumb */
.breadcrumb {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--muted); transition: color var(--trans); }
.breadcrumb a:hover { color: var(--accent); }

/* Título e preço */
.produto-nome { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 1.1rem; }

.produto-preco-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.produto-preco {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.badge-estoque {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 99px;
}
.badge-estoque.em-estoque { background: rgba(76, 175, 130, 0.12); color: var(--green); }
.badge-estoque.sem-estoque { background: rgba(224, 90, 90, 0.12); color: var(--red); }

.produto-descricao {
  color: var(--muted);
  line-height: 1.72;
  margin-bottom: 2rem;
  font-size: 0.96rem;
}

/* Controles de compra */
.produto-acoes {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

.quantidade-selector {
  display: flex;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  flex-shrink: 0;
}

.btn-qtd {
  width: 36px; height: 42px;
  font-size: 1.2rem;
  color: var(--muted);
  transition: color var(--trans), background var(--trans);
}
.btn-qtd:hover { background: var(--border); color: var(--text); }

.input-qtd {
  width: 48px; height: 42px;
  text-align: center;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
}
.input-qtd:focus { outline: none; }
/* Remove setas nativas do input number */
.input-qtd::-webkit-inner-spin-button,
.input-qtd::-webkit-outer-spin-button { -webkit-appearance: none; }
.input-qtd[type=number] { -moz-appearance: textfield; }

.btn-adicionar-produto { flex: 1; }

.btn-ir-carrinho {
  width: 100%;
  margin-bottom: 1.5rem;
}

/* Lista de detalhes do produto */
.produto-detalhes {
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.produto-detalhes li {
  font-size: 0.83rem;
  color: var(--muted);
  padding-left: 1.1rem;
  position: relative;
}
.produto-detalhes li::before {
  content: '✓';
  color: var(--accent);
  position: absolute;
  left: 0;
}

/* Relacionados */
.secao-relacionados { padding-bottom: 2rem; }

/* ═══════════════════════════════════════════════════════════════════════════
   ERRO
   ═══════════════════════════════════════════════════════════════════════════ */
.pagina-erro { padding: 7rem 0; }

.erro-content {
  max-width: 460px;
  margin: 0 auto;
  text-align: center;
}

.erro-icone    { font-size: 5rem; color: var(--border); margin-bottom: 1.5rem; }
.erro-content h1 { font-size: 1.8rem; margin-bottom: 0.75rem; }
.erro-content p  { color: var(--muted); margin-bottom: 2rem; }

/* ═══════════════════════════════════════════════════════════════════════════
   RODAPÉ
   ═══════════════════════════════════════════════════════════════════════════ */
.site-footer {
  background: var(--panel);
  border-top: 1px solid var(--border);
  margin-top: 4rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding: 3.5rem 0 2.5rem;
}

.footer-col--wide .logo { margin-bottom: 0.9rem; }

.footer-desc {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.65;
}

.footer-titulo {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 1rem;
}

.footer-links { display: flex; flex-direction: column; gap: 0.55rem; }

.footer-links a {
  font-size: 0.88rem;
  color: var(--muted);
  transition: color var(--trans);
}
.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 1.1rem 0;
}
.footer-bottom p {
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
}

.footer-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--muted);
  transition: color .2s, border-color .2s, background .2s;
}
.footer-social:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-glow);
}

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVIDADE (mobile-first escalando para cima)
   ═══════════════════════════════════════════════════════════════════════════ */

/* Tablet */
@media (max-width: 1024px) {
  .hero { min-height: auto; padding: 3rem 0 3rem; }
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-titulo { font-size: 2.8rem; }

  .produto-layout { grid-template-columns: 1fr; gap: 2rem; }
  .produto-media  { position: static; }

  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

/* Mobile */
@media (max-width: 768px) {
  .nav-principal { display: none; }
  .btn-menu-mobile { display: flex; }

  /* Menu mobile expandido */
  .nav-principal.aberta {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    gap: 0.2rem;
    z-index: 195;
  }

  .nav-principal.aberta .nav-link {
    padding: 0.65rem 0.75rem;
    font-size: 0.95rem;
  }

  .hero-titulo { font-size: 2.2rem; }

  .grade-produtos {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
  }

  .produto-acoes { flex-direction: column; }
  .quantidade-selector { width: 100%; justify-content: center; }
  .btn-adicionar-produto { width: 100%; }

  .footer-inner { grid-template-columns: 1fr; gap: 1.5rem; padding: 2rem 0 1.5rem; }
}

/* Mobile pequeno */
@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .grade-produtos { grid-template-columns: 1fr 1fr; }
  .hero-acoes .btn { width: 100%; }
  .form-busca { flex-direction: column; }
  .input-busca { min-width: 100%; }
  .produto-viewer { height: 320px; }
}