/* ============================================================
   AnyConversor — folha de estilo principal
   Design responsivo (celular, tablet, computador)
   ============================================================ */

:root {
  --azul: #1d4ed8;
  --azul-escuro: #1e3a8a;
  --azul-claro: #eff6ff;
  --azul-medio: #3b82f6;
  --verde: #16a34a;
  --verde-claro: #f0fdf4;
  --vermelho: #dc2626;
  --vermelho-claro: #fef2f2;
  --cinza-900: #0f172a;
  --cinza-700: #334155;
  --cinza-500: #64748b;
  --cinza-200: #e2e8f0;
  --cinza-100: #f1f5f9;
  --cinza-50: #f8fafc;
  --branco: #ffffff;
  --raio: 14px;
  --sombra: 0 4px 24px rgba(15, 23, 42, .08);
  --sombra-forte: 0 12px 40px rgba(29, 78, 216, .16);
  --fonte: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--fonte);
  font-size: 17px;
  line-height: 1.65;
  color: var(--cinza-700);
  background: var(--branco);
}

img { max-width: 100%; height: auto; }

h1, h2, h3, h4 { color: var(--cinza-900); line-height: 1.25; margin: 0 0 .6em; }
h1 { font-size: clamp(1.9rem, 4.5vw, 2.8rem); font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 700; }

p { margin: 0 0 1em; }
a { color: var(--azul); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 20px; }

.pular-conteudo {
  position: absolute; left: -9999px; top: 0; background: var(--azul); color: #fff;
  padding: 10px 18px; border-radius: 0 0 8px 0; z-index: 200;
}
.pular-conteudo:focus { left: 0; }

/* ---------------- Botões ---------------- */
.btn {
  display: inline-block; border: 0; cursor: pointer; font-family: inherit;
  font-size: 1rem; font-weight: 600; border-radius: 10px; padding: 12px 26px;
  transition: transform .15s, box-shadow .15s, background .15s; text-align: center;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primario { background: var(--azul); color: #fff; box-shadow: 0 4px 14px rgba(29,78,216,.3); }
.btn-primario:hover { background: var(--azul-escuro); color: #fff; }
.btn-sucesso { background: var(--verde); color: #fff; box-shadow: 0 4px 14px rgba(22,163,74,.3); }
.btn-sucesso:hover { background: #15803d; color: #fff; }
.btn-contorno { background: transparent; color: var(--azul); border: 2px solid var(--azul); }
.btn-contorno:hover { background: var(--azul-claro); }
.btn-grande { font-size: 1.1rem; padding: 15px 34px; }
.btn-mini { font-size: .9rem; padding: 8px 18px; }
.btn-link { background: none; color: var(--cinza-500); text-decoration: underline; padding: 8px; }

/* ---------------- Cabeçalho ---------------- */
.topo {
  background: var(--branco); border-bottom: 1px solid var(--cinza-200);
  position: sticky; top: 0; z-index: 100;
}
.topo-inner { display: flex; align-items: center; justify-content: space-between; min-height: 68px; gap: 16px; }
.logo { display: flex; align-items: center; flex-shrink: 0; }

.menu-lista { list-style: none; display: flex; gap: 6px; margin: 0; padding: 0; align-items: center; }
.menu-lista > li > a {
  display: block; padding: 10px 14px; color: var(--cinza-700); font-weight: 600;
  border-radius: 8px; font-size: .98rem;
}
.menu-lista > li > a:hover, .menu-lista > li > a.ativo { color: var(--azul); background: var(--azul-claro); text-decoration: none; }

.tem-sub { position: relative; }
.submenu {
  list-style: none; margin: 0; padding: 8px; position: absolute; top: 100%; left: 0;
  background: #fff; border: 1px solid var(--cinza-200); border-radius: 12px; box-shadow: var(--sombra);
  min-width: 220px; opacity: 0; visibility: hidden; transform: translateY(8px); transition: all .18s;
}
.tem-sub:hover .submenu, .tem-sub:focus-within .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.submenu a { display: block; padding: 9px 14px; border-radius: 8px; color: var(--cinza-700); font-size: .95rem; }
.submenu a:hover { background: var(--azul-claro); color: var(--azul); text-decoration: none; }

.menu-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 10px; }
.menu-toggle span { display: block; width: 26px; height: 3px; background: var(--cinza-900); margin: 5px 0; border-radius: 2px; transition: .2s; }

/* ---------------- Hero ---------------- */
.hero {
  background: linear-gradient(160deg, var(--azul-claro) 0%, #fff 55%, var(--azul-claro) 100%);
  padding: 48px 0 40px;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.hero-texto .destaque { color: var(--azul); }
.hero-sub { font-size: 1.15rem; color: var(--cinza-500); max-width: 560px; }
.hero-selos { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; padding: 0; list-style: none; }
.hero-selos li {
  background: #fff; border: 1px solid var(--cinza-200); border-radius: 999px;
  padding: 7px 16px; font-size: .88rem; font-weight: 600; color: var(--cinza-700);
}
.hero-img { text-align: center; }

/* ---------------- Conversor ---------------- */
.conversor { max-width: 780px; margin: 0 auto; padding: 8px 0 8px; }
.conversor-caixa {
  background: #fff; border-radius: var(--raio); box-shadow: var(--sombra-forte);
  border: 1px solid var(--cinza-200); padding: 34px; text-align: center;
}
.area-upload {
  border: 2.5px dashed var(--azul-medio); border-radius: var(--raio);
  padding: 40px 24px; cursor: pointer; transition: background .2s, border-color .2s; background: var(--azul-claro);
}
.area-upload:hover, .area-upload:focus, .area-upload.arrastando { background: #dbeafe; border-color: var(--azul); outline: none; }
.upload-titulo { font-size: 1.25rem; font-weight: 700; color: var(--cinza-900); margin: 14px 0 4px; }
.upload-ou { color: var(--cinza-500); margin: 6px 0 14px; }
.upload-info { color: var(--cinza-500); font-size: .9rem; margin: 18px 0 0; }

.conversor-status { padding: 30px 10px; }
.status-arquivo { font-weight: 700; color: var(--cinza-900); word-break: break-all; }
.barra-progresso {
  background: var(--cinza-100); border-radius: 999px; height: 14px; overflow: hidden; margin: 18px 0 12px;
}
.barra-preenchimento {
  height: 100%; width: 0; border-radius: 999px;
  background: linear-gradient(90deg, var(--azul-medio), var(--azul));
  transition: width .25s ease;
}
.barra-preenchimento.indeterminada {
  width: 40% !important; animation: desliza 1.2s ease-in-out infinite;
}
@keyframes desliza { 0% { margin-left: -40%; } 100% { margin-left: 100%; } }
.status-msg { color: var(--cinza-500); }

.conversor-sucesso { padding: 26px 10px; }
.sucesso-titulo { font-size: 1.3rem; font-weight: 800; color: var(--verde); margin: 12px 0 4px; }
.sucesso-nome { color: var(--cinza-500); word-break: break-all; margin-bottom: 18px; }
.conversor-sucesso .btn-link { display: block; margin: 12px auto 0; }
.aviso-exclusao { font-size: .85rem; color: var(--cinza-500); margin-top: 14px; }

.conversor-erro { padding: 26px 10px; }
.erro-msg { color: var(--vermelho); font-weight: 600; margin: 12px 0 18px; }

.conversor-seguranca {
  text-align: center; font-size: .92rem; color: var(--cinza-500);
  background: var(--verde-claro); border: 1px solid #bbf7d0; border-radius: 10px;
  padding: 12px 18px; margin-top: 18px;
}

/* ---------------- Seções ---------------- */
.secao { padding: 56px 0; }
.secao-alt { background: var(--cinza-50); }
.secao-titulo { text-align: center; max-width: 720px; margin: 0 auto 12px; }
.secao-sub { text-align: center; color: var(--cinza-500); max-width: 680px; margin: 0 auto 40px; }

.grade-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grade-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

.cartao {
  background: #fff; border: 1px solid var(--cinza-200); border-radius: var(--raio);
  padding: 26px; box-shadow: var(--sombra); transition: transform .18s, box-shadow .18s;
}
.cartao:hover { transform: translateY(-4px); box-shadow: var(--sombra-forte); }
.cartao img.icone { width: 56px; height: 56px; margin-bottom: 14px; }
.cartao h3 { margin-bottom: 8px; }
.cartao p { color: var(--cinza-500); font-size: .95rem; margin: 0; }

/* Passos "como funciona" */
.passos { counter-reset: passo; }
.passo { position: relative; padding-top: 8px; }
.passo-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 50%; background: var(--azul); color: #fff;
  font-weight: 800; font-size: 1.15rem; margin-bottom: 14px; box-shadow: 0 4px 12px rgba(29,78,216,.3);
}

/* Cartões de ferramentas */
.cartao-ferramenta { text-align: center; display: flex; flex-direction: column; align-items: center; }
.cartao-ferramenta img { width: 84px; height: 84px; margin-bottom: 14px; }
.cartao-ferramenta .btn { margin-top: auto; }
.cartao-ferramenta p { margin-bottom: 18px; }

/* Conteúdo editorial (texto SEO) */
.artigo { max-width: 820px; margin: 0 auto; }
.artigo h2 { margin-top: 1.6em; }
.artigo ul { padding-left: 1.2em; }
.artigo li { margin-bottom: .5em; }
.artigo .imagem-secao { margin: 28px auto; text-align: center; }
.artigo .imagem-secao img { border-radius: var(--raio); }

/* Destaques de benefícios com ícone */
.beneficios-lista { list-style: none; padding: 0; display: grid; gap: 14px; }
.beneficios-lista li {
  background: #fff; border: 1px solid var(--cinza-200); border-radius: 12px;
  padding: 16px 20px 16px 52px; position: relative; box-shadow: var(--sombra);
}
.beneficios-lista li::before {
  content: "✓"; position: absolute; left: 18px; top: 14px;
  color: var(--verde); font-weight: 800; font-size: 1.25rem;
}
.beneficios-lista strong { color: var(--cinza-900); }

/* ---------------- FAQ ---------------- */
.faq { max-width: 820px; margin: 0 auto; }
.faq details {
  background: #fff; border: 1px solid var(--cinza-200); border-radius: 12px;
  margin-bottom: 12px; box-shadow: var(--sombra); overflow: hidden;
}
.faq summary {
  cursor: pointer; font-weight: 700; color: var(--cinza-900); padding: 18px 48px 18px 22px;
  list-style: none; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  font-size: 1.5rem; color: var(--azul); font-weight: 400; transition: transform .2s;
}
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 22px 18px; margin: 0; color: var(--cinza-500); }

/* ---------------- Breadcrumb ---------------- */
.breadcrumb { padding: 14px 20px 0; font-size: .88rem; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; }
.breadcrumb li + li::before { content: "›"; margin-right: 6px; color: var(--cinza-500); }
.breadcrumb span[aria-current] { color: var(--cinza-500); }

/* ---------------- CTA faixa ---------------- */
.faixa-cta {
  background: linear-gradient(135deg, var(--azul) 0%, var(--azul-escuro) 100%);
  border-radius: var(--raio); padding: 44px 32px; text-align: center; color: #fff;
}
.faixa-cta h2 { color: #fff; }
.faixa-cta p { color: #dbeafe; max-width: 640px; margin: 0 auto 22px; }
.faixa-cta .btn { background: #fff; color: var(--azul); }

/* ---------------- Rodapé ---------------- */
.rodape { background: var(--cinza-900); color: #cbd5e1; margin-top: 56px; font-size: .95rem; }
.rodape a { color: #cbd5e1; }
.rodape a:hover { color: #fff; }
.rodape-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; padding: 48px 20px 36px;
}
.rodape-col ul { list-style: none; margin: 0; padding: 0; }
.rodape-col li { margin-bottom: 9px; }
.rodape-titulo { color: #fff; font-size: 1rem; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 16px; }
.rodape-sobre p { font-size: .92rem; margin-top: 14px; }
.selo-seguro { color: #86efac; font-size: .88rem !important; }
.rodape-contato li { line-height: 1.5; }
.rodape-base { border-top: 1px solid #1e293b; padding: 18px 0; font-size: .85rem; }
.rodape-base p { margin: 0; }

/* ---------------- Banner de cookies ---------------- */
.banner-cookies {
  position: fixed; bottom: 16px; left: 16px; right: 16px; z-index: 300;
  max-width: 640px; margin: 0 auto; background: #fff; border: 1px solid var(--cinza-200);
  border-radius: var(--raio); box-shadow: 0 8px 40px rgba(15,23,42,.25);
  padding: 18px 22px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
}
.banner-cookies p { margin: 0; font-size: .9rem; flex: 1 1 320px; }
.banner-cookies-acoes { display: flex; gap: 10px; }

/* ---------------- Páginas institucionais ---------------- */
.pagina-simples { padding: 40px 0 20px; }
.pagina-simples .artigo h2 { font-size: 1.4rem; }
.dados-empresa {
  background: var(--cinza-50); border: 1px solid var(--cinza-200); border-radius: 12px;
  padding: 20px 24px; margin: 20px 0;
}
.dados-empresa p { margin: 4px 0; }

/* Formulário de contato */
.form-contato { max-width: 640px; }
.form-contato label { display: block; font-weight: 600; color: var(--cinza-900); margin: 18px 0 6px; }
.form-contato input, .form-contato textarea {
  width: 100%; border: 1.5px solid var(--cinza-200); border-radius: 10px;
  padding: 12px 14px; font-family: inherit; font-size: 1rem; color: var(--cinza-700);
}
.form-contato input:focus, .form-contato textarea:focus { outline: 2px solid var(--azul-medio); border-color: var(--azul-medio); }
.alerta-ok { background: var(--verde-claro); border: 1px solid #bbf7d0; color: #166534; border-radius: 10px; padding: 14px 18px; }
.alerta-erro { background: var(--vermelho-claro); border: 1px solid #fecaca; color: var(--vermelho); border-radius: 10px; padding: 14px 18px; }

/* ---------------- Tabela comparativa ---------------- */
.tabela-wrap { overflow-x: auto; }
table.tabela { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: var(--sombra); }
.tabela th, .tabela td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--cinza-200); font-size: .95rem; }
.tabela th { background: var(--azul-claro); color: var(--cinza-900); }

/* ============================================================
   Responsivo — tablet
   ============================================================ */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-sub { margin: 0 auto; }
  .hero-selos { justify-content: center; }
  .hero-img { order: -1; }
  .hero-img img { max-width: 380px; }
  .grade-3 { grid-template-columns: repeat(2, 1fr); }
  .grade-4 { grid-template-columns: repeat(2, 1fr); }
  .rodape-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   Responsivo — celular
   ============================================================ */
@media (max-width: 680px) {
  body { font-size: 16px; }
  .secao { padding: 40px 0; }
  .grade-3, .grade-4 { grid-template-columns: 1fr; }
  .rodape-grid { grid-template-columns: 1fr; gap: 28px; }
  .conversor-caixa { padding: 20px 14px; }
  .area-upload { padding: 30px 14px; }

  .menu-toggle { display: block; }
  .menu-lista {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch; gap: 0;
    border-bottom: 1px solid var(--cinza-200); box-shadow: var(--sombra);
    padding: 10px 16px 16px; max-height: calc(100vh - 68px); overflow-y: auto;
  }
  .menu-lista.aberto { display: flex; }
  .submenu {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; padding-left: 16px; min-width: 0; display: none;
  }
  .tem-sub.aberto .submenu { display: block; }
  .banner-cookies { left: 10px; right: 10px; bottom: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}