/* =====================================================================
   BM Eletrônicos & Acessórios — Estilos principais
   Paleta baseada na logo: preto, dourado/âmbar e prata
   ===================================================================== */

:root {
  --preto: #0b0b0c;
  --preto-suave: #161618;
  --preto-card: #1c1c1f;
  --dourado: #d4af37;
  --dourado-claro: #f2cf6b;
  --dourado-escuro: #a5801f;
  --prata: #c9c9cf;
  --branco: #f7f6f2;
  --texto-suave: #b9b9c0;
  --sucesso: #3fae5a;
  --alerta: #d4573a;
  --borda: rgba(212, 175, 55, 0.25);
  --sombra: 0 10px 30px rgba(0, 0, 0, 0.45);
  --raio: 14px;
  --fonte-titulo: 'Poppins', 'Segoe UI', sans-serif;
  --fonte-corpo: 'Inter', 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--fonte-corpo);
  background: var(--preto);
  color: var(--branco);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--fonte-titulo);
  margin: 0 0 .5em;
  line-height: 1.25;
  font-weight: 600;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }
p { margin: 0 0 1em; color: var(--texto-suave); }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

.secao { padding: 70px 0; }
.secao-alt { background: var(--preto-suave); }

.titulo-secao {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 45px;
}
.titulo-secao .tag {
  display: inline-block;
  color: var(--dourado);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 12.5px;
  font-weight: 700;
  margin-bottom: 10px;
}
.titulo-secao h2 {
  font-size: clamp(26px, 4vw, 36px);
  color: var(--branco);
}
.titulo-secao p { margin-top: 12px; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: none;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }

.btn-dourado {
  background: linear-gradient(135deg, var(--dourado-claro), var(--dourado) 60%, var(--dourado-escuro));
  color: #17140a;
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.35);
}
.btn-dourado:hover { box-shadow: 0 8px 26px rgba(212, 175, 55, 0.5); }

.btn-whatsapp {
  background: #25D366;
  color: #06210f;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
}
.btn-whatsapp:hover { box-shadow: 0 8px 26px rgba(37, 211, 102, 0.45); }

.btn-outline {
  background: transparent;
  color: var(--branco);
  border: 1.5px solid var(--borda);
}
.btn-outline:hover { border-color: var(--dourado); color: var(--dourado); }

.btn-block { width: 100%; }
.btn-sm { padding: 9px 18px; font-size: 13.5px; }

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 11, 12, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--borda);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}
.marca {
  display: flex;
  align-items: center;
  gap: 12px;
}
.marca img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 2px var(--dourado);
}
.marca-texto { display: flex; flex-direction: column; }
.marca-texto strong {
  font-family: var(--fonte-titulo);
  font-size: 17px;
  color: var(--dourado-claro);
  letter-spacing: .3px;
}
.marca-texto span {
  font-size: 11.5px;
  color: var(--texto-suave);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.nav-desktop { display: flex; align-items: center; gap: 28px; }
.nav-desktop a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--prata);
  position: relative;
  padding: 6px 0;
}
.nav-desktop a:hover, .nav-desktop a.ativo { color: var(--dourado-claro); }
.nav-desktop a.ativo::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--dourado);
  border-radius: 2px;
}

.header-acoes { display: flex; align-items: center; gap: 12px; }
.btn-menu {
  display: none;
  background: none;
  border: 1px solid var(--borda);
  border-radius: 8px;
  width: 42px;
  height: 42px;
  color: var(--dourado);
  font-size: 20px;
  cursor: pointer;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--preto-suave);
  border-top: 1px solid var(--borda);
  padding: 10px 20px 20px;
}
.nav-mobile a {
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  color: var(--prata);
  font-weight: 500;
}
.nav-mobile.aberto { display: flex; }

@media (max-width: 900px) {
  .nav-desktop { display: none; }
  .btn-menu { display: inline-flex; align-items: center; justify-content: center; }
  .header-acoes .btn-texto { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 90px 0 80px;
  background:
    radial-gradient(circle at 15% 20%, rgba(212,175,55,0.12), transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(212,175,55,0.08), transparent 40%),
    var(--preto);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(212,175,55,0.1);
  border: 1px solid var(--borda);
  color: var(--dourado-claro);
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .5px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 50px);
  color: var(--branco);
}
.hero h1 span { color: var(--dourado-claro); }
.hero p.lead {
  font-size: 17px;
  max-width: 520px;
  margin-bottom: 28px;
}
.hero-acoes { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.hero-info {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  color: var(--texto-suave);
  font-size: 14px;
}
.hero-info div { display: flex; align-items: center; gap: 8px; }
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual .moldura {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(212,175,55,0.25), rgba(0,0,0,0) 70%);
  border: 1.5px solid var(--borda);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
}
.hero-visual img { border-radius: 50%; box-shadow: var(--sombra); }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .hero-visual .moldura { max-width: 260px; }
}

/* ---------- Destaques (cards de serviço) ---------- */
.grid-destaques {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.card-destaque {
  background: var(--preto-card);
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  padding: 32px;
  transition: transform .2s ease, border-color .2s ease;
}
.card-destaque:hover { transform: translateY(-4px); border-color: var(--dourado); }
.card-destaque .icone {
  width: 54px; height: 54px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  border-radius: 14px;
  background: rgba(212,175,55,0.12);
  margin-bottom: 18px;
}
.card-destaque h3 { color: var(--branco); font-size: 19px; }
.card-destaque a.saiba-mais { color: var(--dourado); font-weight: 600; font-size: 14px; display: inline-block; margin-top: 10px; }

@media (max-width: 700px) { .grid-destaques { grid-template-columns: 1fr; } }

/* ---------- Serviços (grade simples) ---------- */
.grid-servicos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.card-servico {
  background: var(--preto-card);
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  padding: 26px;
  text-align: center;
}
.card-servico .emoji { font-size: 34px; margin-bottom: 12px; }
.card-servico h3 { color: var(--branco); font-size: 17px; margin-bottom: 6px; }
.card-servico .preco { color: var(--dourado-claro); font-weight: 700; font-size: 14px; margin-top: 10px; }

@media (max-width: 900px) { .grid-servicos { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-servicos { grid-template-columns: 1fr; } }

/* ---------- Produtos ---------- */
.filtros-categoria {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 36px;
}
.filtros-categoria a {
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid var(--borda);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--prata);
}
.filtros-categoria a.ativo, .filtros-categoria a:hover {
  background: var(--dourado);
  color: #17140a;
  border-color: var(--dourado);
}

.grid-produtos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
@media (max-width: 1050px) { .grid-produtos { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .grid-produtos { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .grid-produtos { grid-template-columns: 1fr; } }

.card-produto {
  background: var(--preto-card);
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.card-produto:hover { transform: translateY(-4px); box-shadow: var(--sombra); }
.card-produto .foto {
  aspect-ratio: 1;
  overflow: hidden;
  background: #101012;
  position: relative;
}
.card-produto .foto img { width: 100%; height: 100%; object-fit: cover; }
.card-produto .categoria-tag {
  position: absolute;
  top: 10px; left: 10px;
  background: rgba(0,0,0,0.65);
  color: var(--dourado-claro);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  padding: 4px 10px;
  border-radius: 999px;
}
.card-produto .indisponivel-tag {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--alerta);
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 13px;
}
.card-produto .info { padding: 18px; display: flex; flex-direction: column; flex: 1; gap: 8px; }
.card-produto h3 { font-size: 16px; color: var(--branco); }
.card-produto .descricao { font-size: 13.5px; flex: 1; }
.card-produto .preco { color: var(--dourado-claro); font-weight: 700; font-size: 18px; }
.card-produto .acoes { display: flex; flex-direction: column; gap: 8px; margin-top: 6px; }

/* ---------- Formulários ---------- */
.form-card {
  background: var(--preto-card);
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  padding: 40px;
  max-width: 720px;
  margin: 0 auto;
}
.campo { margin-bottom: 20px; }
.campo label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--prata);
  margin-bottom: 7px;
}
.campo .obrigatorio { color: var(--dourado); }
.campo input,
.campo select,
.campo textarea {
  width: 100%;
  padding: 13px 15px;
  background: var(--preto);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  color: var(--branco);
  font-family: var(--fonte-corpo);
  font-size: 14.5px;
  transition: border-color .15s ease;
}
.campo input:focus, .campo select:focus, .campo textarea:focus {
  outline: none;
  border-color: var(--dourado);
}
.campo textarea { resize: vertical; min-height: 100px; }
.linha-dupla { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 600px) { .linha-dupla { grid-template-columns: 1fr; } }

.campo-arquivo {
  border: 1.5px dashed var(--borda);
  border-radius: 10px;
  padding: 22px;
  text-align: center;
  cursor: pointer;
  position: relative;
}
.campo-arquivo input[type=file] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer;
}
.campo-arquivo .preview { margin-top: 12px; max-width: 160px; border-radius: 8px; display: none; }

.alerta-msg {
  padding: 14px 18px;
  border-radius: 10px;
  margin-bottom: 22px;
  font-size: 14px;
  font-weight: 600;
}
.alerta-sucesso { background: rgba(63,174,90,0.15); color: #6cd98a; border: 1px solid rgba(63,174,90,0.35); }
.alerta-erro { background: rgba(212,87,58,0.15); color: #f18a72; border: 1px solid rgba(212,87,58,0.35); }

/* ---------- Sobre / Contato ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }

.lista-check li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--texto-suave);
}
.lista-check li::before {
  content: '✓';
  color: var(--dourado);
  font-weight: 700;
  flex-shrink: 0;
}

.info-contato-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.info-contato-item .icone {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(212,175,55,0.12);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.info-contato-item strong { display: block; color: var(--branco); margin-bottom: 3px; }

.mapa-wrap { border-radius: var(--raio); overflow: hidden; border: 1px solid var(--borda); }
.mapa-wrap iframe { width: 100%; height: 320px; border: 0; filter: grayscale(0.3) invert(0.92) contrast(0.85); }

/* ---------- CTA final ---------- */
.cta-final {
  background: linear-gradient(135deg, #1a1508, #0b0b0c 60%);
  border-top: 1px solid var(--borda);
  border-bottom: 1px solid var(--borda);
  text-align: center;
  padding: 60px 0;
}
.cta-final h2 { color: var(--branco); font-size: clamp(24px, 4vw, 34px); }
.cta-final p { max-width: 520px; margin: 0 auto 28px; }
.cta-acoes { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.footer {
  background: var(--preto-suave);
  border-top: 1px solid var(--borda);
  padding: 50px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 30px;
}
.footer-marca { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.footer-marca img { width: 44px; height: 44px; border-radius: 50%; }
.footer-marca strong { color: var(--dourado-claro); font-family: var(--fonte-titulo); }
.footer h4 { color: var(--branco); font-size: 15px; margin-bottom: 16px; }
.footer ul li { margin-bottom: 10px; }
.footer ul li a { color: var(--texto-suave); font-size: 14px; }
.footer ul li a:hover { color: var(--dourado-claro); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 20px;
  text-align: center;
  font-size: 13px;
  color: #77767c;
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }

/* ---------- Botão flutuante WhatsApp ---------- */
.wa-flutuante {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 60px; height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 30px;
  box-shadow: 0 8px 24px rgba(37,211,102,0.45);
  z-index: 200;
  color: #fff;
  animation: pulsar 2.4s infinite;
}
@keyframes pulsar {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.5); }
  70% { box-shadow: 0 0 0 16px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* ---------- Página interna genérica (header de página) ---------- */
.page-header {
  padding: 55px 0 40px;
  text-align: center;
  background: linear-gradient(180deg, rgba(212,175,55,0.08), transparent);
  border-bottom: 1px solid var(--borda);
}
.page-header .tag {
  color: var(--dourado);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 12.5px;
  font-weight: 700;
}
.page-header h1 { font-size: clamp(28px, 4vw, 40px); color: var(--branco); margin-top: 8px; }
.page-header p { max-width: 560px; margin: 12px auto 0; }

.badge-disponivel { color: #6cd98a; font-weight: 700; font-size: 12.5px; }
.badge-indisponivel { color: #f18a72; font-weight: 700; font-size: 12.5px; }

/* Utilidades */
.text-center { text-align: center; }
.mt-30 { margin-top: 30px; }
.mb-0 { margin-bottom: 0; }