/* ============================================================
   LUMART — Estilos Globais
   Paleta: Índigo profundo + Âmbar/Ouro + Branco limpo
   Fonte: DM Sans (corpo) + Playfair Display (destaques)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Playfair+Display:wght@700;900&display=swap');

/* ── Variáveis ─────────────────────────────────────────────── */
:root {
  --indigo-900: #1e1b4b;
  --indigo-800: #312e81;
  --indigo-600: #4f46e5;
  --indigo-500: #6366f1;
  --indigo-100: #e0e7ff;
  --indigo-50:  #eef2ff;
  --amber-400:  #fbbf24;
  --amber-500:  #f59e0b;
  --green-500:  #22c55e;
  --green-600:  #16a34a;
  --red-500:    #ef4444;
  --slate-900:  #0f172a;
  --slate-700:  #334155;
  --slate-500:  #64748b;
  --slate-300:  #cbd5e1;
  --slate-100:  #f1f5f9;
  --slate-50:   #f8fafc;
  --white:      #ffffff;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  18px;
  --radius-xl:  24px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 16px rgba(30,27,75,.10);
  --shadow-lg:  0 8px 32px rgba(30,27,75,.14);
  --shadow-xl:  0 16px 48px rgba(30,27,75,.18);

  --transition: .2s cubic-bezier(.4,0,.2,1);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--slate-50);
  color: var(--slate-900);
  min-height: 100vh;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }

/* ── Tipografia ────────────────────────────────────────────── */
.display { font-family: 'Playfair Display', serif; line-height: 1.15; }
h1, h2, h3 { line-height: 1.25; }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--slate-100);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
  height: 60px;
}

.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--indigo-900);
  letter-spacing: -0.5px;
}

.nav-logo span {
  color: var(--indigo-600);
}

.nav-acoes {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-link {
  font-size: .875rem;
  font-weight: 500;
  color: var(--slate-500);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}
.nav-link:hover { color: var(--indigo-600); }
.nav-link.ativo { color: var(--indigo-600); font-weight: 600; }

.btn-carrinho {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--indigo-50);
  color: var(--indigo-700, var(--indigo-800));
  border: 1px solid var(--indigo-100);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: .875rem;
  font-weight: 600;
  transition: background var(--transition), border-color var(--transition);
}
.btn-carrinho:hover { background: var(--indigo-100); border-color: var(--indigo-500); }

.badge-carrinho {
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--amber-400);
  color: var(--slate-900);
  font-size: .65rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--indigo-900) 0%, var(--indigo-800) 60%, #3730a3 100%);
  padding: 52px 20px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-inner {
  position: relative;
  max-width: 560px;
  margin: 0 auto;
}

.hero-titulo {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 14px;
  line-height: 1.15;
}

.hero-titulo em {
  font-style: normal;
  color: var(--amber-400);
}

.hero-subtitulo {
  font-size: .975rem;
  color: rgba(255,255,255,.72);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.btn-comecar {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--amber-400);
  color: var(--slate-900);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: 100px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(251,191,36,.35);
}
.btn-comecar:hover {
  background: var(--amber-500);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(251,191,36,.45);
}

/* ============================================================
   FILTROS DE CATEGORIA
   ============================================================ */
.filtros-wrap {
  background: var(--white);
  border-bottom: 1px solid var(--slate-100);
  position: sticky;
  top: 60px;
  z-index: 90;
}

.filtros {
  display: flex;
  gap: 8px;
  padding: 12px 20px;
  overflow-x: auto;
  scrollbar-width: none;
  max-width: 1120px;
  margin: 0 auto;
}
.filtros::-webkit-scrollbar { display: none; }

.btn-filtro {
  white-space: nowrap;
  padding: 7px 16px;
  border-radius: 100px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--slate-500);
  border: 1.5px solid var(--slate-200);
  background: var(--white);
  transition: all var(--transition);
}
.btn-filtro:hover { border-color: var(--indigo-500); color: var(--indigo-600); }
.btn-filtro.ativo {
  background: var(--indigo-600);
  border-color: var(--indigo-600);
  color: var(--white);
}

/* ============================================================
   CATÁLOGO — GRID DE PRODUTOS
   ============================================================ */
.catalogo {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 20px 120px;
}

.catalogo-titulo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--slate-700);
  margin-bottom: 18px;
}

.produtos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

@media (min-width: 640px)  { .produtos-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px)  { .produtos-grid { grid-template-columns: repeat(4, 1fr); } }

/* ── Card de Produto ── */
.card-produto {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1.5px solid var(--slate-100);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  animation: fadeUp .4s ease both;
}
.card-produto:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--indigo-100);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card-imagem {
  width: 100%;
  height: 140px;
  object-fit: cover;
  background: var(--slate-100);
}

@media (min-width: 640px) { .card-imagem { height: 160px; } }

.card-badge-destaque {
  display: inline-block;
  background: var(--amber-400);
  color: var(--slate-900);
  font-size: .65rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: .5px;
  text-transform: uppercase;
}

.card-corpo {
  padding: 12px;
}

.card-marca {
  font-size: .7rem;
  font-weight: 500;
  color: var(--slate-500);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 3px;
}

.card-nome {
  font-size: .875rem;
  font-weight: 600;
  color: var(--slate-900);
  line-height: 1.35;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-preco {
  font-size: 1rem;
  font-weight: 700;
  color: var(--indigo-600);
  margin-bottom: 10px;
}

.btn-adicionar {
  width: 100%;
  padding: 9px;
  border-radius: var(--radius-md);
  font-size: .83rem;
  font-weight: 600;
  background: var(--indigo-50);
  color: var(--indigo-700, var(--indigo-800));
  border: 1.5px solid var(--indigo-100);
  transition: all var(--transition);
}
.btn-adicionar:hover {
  background: var(--indigo-600);
  color: var(--white);
  border-color: var(--indigo-600);
}
.btn-adicionar.no-carrinho {
  background: var(--indigo-600);
  color: var(--white);
  border-color: var(--indigo-600);
}

/* ============================================================
   BARRA INFERIOR (flutuante)
   ============================================================ */
.barra-inferior {
  position: fixed;
  bottom: 0;
  left: 0; right: 0;
  z-index: 95;
  padding: 12px 20px;
  background: var(--white);
  border-top: 1px solid var(--slate-100);
  box-shadow: 0 -4px 20px rgba(0,0,0,.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transform: translateY(100%);
  transition: transform var(--transition);
}
.barra-inferior.visivel { transform: translateY(0); }

.barra-info { font-size: .85rem; color: var(--slate-500); }
.barra-info strong { color: var(--slate-900); }

.btn-ver-carrinho {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--amber-400);
  color: var(--slate-900);
  font-weight: 700;
  font-size: .9rem;
  padding: 11px 22px;
  border-radius: var(--radius-md);
  transition: background var(--transition);
  white-space: nowrap;
}
.btn-ver-carrinho:hover { background: var(--amber-500); }

/* ============================================================
   MODAL DO CARRINHO
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.5);
  backdrop-filter: blur(3px);
  z-index: 200;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.modal-overlay.aberto {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background: var(--white);
  width: 100%;
  max-width: 560px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: 0 0 24px;
  max-height: 82vh;
  display: flex;
  flex-direction: column;
  transform: translateY(24px);
  transition: transform var(--transition);
}
.modal-overlay.aberto .modal-box { transform: translateY(0); }

@media (min-width: 640px) {
  .modal-overlay { align-items: center; }
  .modal-box { border-radius: var(--radius-xl); max-height: 85vh; }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--slate-100);
}

.modal-titulo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--slate-900);
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-fechar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--slate-100);
  color: var(--slate-500);
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.btn-fechar:hover { background: var(--slate-200); }

.modal-lista {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
}

.carrinho-vazio {
  text-align: center;
  padding: 40px 20px;
  color: var(--slate-400);
}
.carrinho-vazio-icone { font-size: 3rem; display: block; margin-bottom: 10px; }

.item-carrinho {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  transition: background var(--transition);
}
.item-carrinho:hover { background: var(--slate-50); }

.item-carrinho img {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--slate-100);
  flex-shrink: 0;
}

.item-info { flex: 1; min-width: 0; }
.item-nome { font-size: .83rem; font-weight: 600; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.item-preco { font-size: .78rem; color: var(--slate-500); }

.item-controles {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-qtd {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--slate-100);
  color: var(--slate-700);
  font-size: 1.1rem;
  line-height: 1;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  transition: background var(--transition);
}
.btn-qtd:hover { background: var(--indigo-100); color: var(--indigo-700, var(--indigo-800)); }

.item-qtd { font-size: .9rem; font-weight: 700; min-width: 20px; text-align: center; }

.btn-remover {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: transparent;
  color: var(--slate-300);
  font-size: .85rem;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.btn-remover:hover { background: #fee2e2; color: var(--red-500); }

.modal-footer {
  padding: 14px 20px 0;
  border-top: 1px solid var(--slate-100);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.modal-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
}
.modal-total-label { color: var(--slate-500); font-weight: 500; }
.modal-total-valor { font-size: 1.25rem; font-weight: 700; color: var(--indigo-600); }

.btn-finalizar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--indigo-600);
  color: var(--white);
  font-weight: 700;
  font-size: .95rem;
  padding: 13px;
  border-radius: var(--radius-md);
  transition: background var(--transition);
}
.btn-finalizar:hover { background: var(--indigo-800); }

.btn-limpar {
  text-align: center;
  font-size: .8rem;
  color: var(--slate-400);
  padding: 4px;
  transition: color var(--transition);
}
.btn-limpar:hover { color: var(--red-500); }

/* ============================================================
   SEÇÃO DE COTAÇÃO (formulário final)
   ============================================================ */
.secao-cotacao {
  display: none;
  max-width: 640px;
  margin: 0 auto;
  padding: 28px 20px 120px;
}
.secao-cotacao.ativo { display: block; }

.cotacao-voltar {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--indigo-600);
  font-weight: 600;
  font-size: .875rem;
  margin-bottom: 22px;
  cursor: pointer;
  transition: gap var(--transition);
}
.cotacao-voltar:hover { gap: 10px; }

.cotacao-titulo {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 6px;
}

.cotacao-subtitulo {
  font-size: .9rem;
  color: var(--slate-500);
  margin-bottom: 28px;
}

/* Blocos do formulário */
.bloco-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--slate-100);
  padding: 20px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
}

.bloco-titulo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--indigo-600);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--indigo-50);
}

/* Campos do formulário */
.campo {
  margin-bottom: 14px;
}
.campo label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--slate-700);
  margin-bottom: 5px;
}
.campo input,
.campo textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-md);
  font-size: .9rem;
  color: var(--slate-900);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.campo input:focus,
.campo textarea:focus {
  border-color: var(--indigo-500);
  box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}
.campo input.erro,
.campo textarea.erro {
  border-color: var(--red-500);
  box-shadow: 0 0 0 3px rgba(239,68,68,.1);
}
.campo textarea { resize: vertical; min-height: 80px; }

/* Resumo dos produtos no bloco de cotação */
.resumo-produto {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--slate-50);
}
.resumo-produto:last-child { border-bottom: none; }
.resumo-prod-icone {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: var(--slate-100);
  object-fit: cover;
}
.resumo-prod-info { flex: 1; }
.resumo-prod-nome { font-size: .83rem; font-weight: 600; }
.resumo-prod-qtd { font-size: .75rem; color: var(--slate-400); }
.resumo-prod-preco { font-size: .9rem; font-weight: 700; color: var(--indigo-600); }

.resumo-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
  padding: 12px 16px;
  background: var(--indigo-50);
  border-radius: var(--radius-md);
}
.resumo-total-label { font-size: .9rem; color: var(--slate-600); font-weight: 500; }
.resumo-total-valor { font-size: 1.4rem; font-weight: 700; color: var(--indigo-600); }

/* Preview do PDF */
.pdf-preview {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-top: 14px;
  font-size: .8rem;
  color: var(--slate-500);
}

.pdf-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--indigo-600);
}

.pdf-preview-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--indigo-900);
}

.pdf-preview-num {
  text-align: right;
  font-weight: 600;
  color: var(--indigo-600);
}

.pdf-preview-linha {
  height: 8px;
  background: var(--slate-100);
  border-radius: 4px;
  margin-bottom: 6px;
}
.pdf-preview-linha.curta { width: 60%; }
.pdf-preview-linha.media { width: 80%; }

/* Botões de ação */
.acoes-cotacao {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 95;
  background: var(--white);
  border-top: 1px solid var(--slate-100);
  padding: 12px 20px;
  display: none;
  flex-direction: column;
  gap: 8px;
  box-shadow: 0 -4px 20px rgba(0,0,0,.08);
}
.acoes-cotacao.ativo { display: flex; }

.btn-whatsapp {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #25D366;
  color: var(--white);
  font-weight: 700;
  font-size: .95rem;
  padding: 14px;
  border-radius: var(--radius-md);
  transition: background var(--transition);
}
.btn-whatsapp:hover { background: #1da851; }

.btn-pdf {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--amber-400);
  color: var(--slate-900);
  font-weight: 700;
  font-size: .95rem;
  padding: 14px;
  border-radius: var(--radius-md);
  transition: background var(--transition);
}
.btn-pdf:hover { background: var(--amber-500); }

/* ============================================================
   TOAST
   ============================================================ */
#toast {
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--slate-900);
  color: var(--white);
  font-size: .85rem;
  font-weight: 500;
  padding: 10px 20px;
  border-radius: 100px;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .25s;
  white-space: nowrap;
  max-width: 90vw;
  text-overflow: ellipsis;
  overflow: hidden;
}
#toast.visivel {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================================================
   SECÇÕES (toggling)
   ============================================================ */
#secao-catalogo { display: block; }
#secao-cotacao  { display: none; }

#secao-catalogo.ativo { display: block; }
#secao-cotacao.ativo  { display: block; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--indigo-900);
  color: rgba(255,255,255,.6);
  text-align: center;
  padding: 24px 20px;
  font-size: .8rem;
}
.footer strong { color: var(--white); }

/* ============================================================
   UTILITÁRIOS
   ============================================================ */
.oculto { display: none !important; }

/* Scrollbar global */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--slate-300); border-radius: 10px; }