/* ===== Tokens de tema ===== */
/* Paleta oficial da marca (fornecida pelo cliente):
   #ff7a18 cor principal · #2f3238 botões · #f2efe9 destaques/sucesso
   #F5F7FA fundo · #37474F texto · #FFFFFF espaços */
:root {
  --color-po: #F5F7FA;        /* fundo geral */
  --color-cristal: #FFFFFF;   /* espaços / superfícies elevadas */
  --color-ardosia: #37474F;   /* texto */
  --color-bronze: #ff7a18;    /* cor principal (fundos, bordas, números grandes) */
  --color-bronze-escuro: #a34a0e; /* variante escura p/ TEXTO - 5.93:1 de contraste sobre fundo claro (WCAG AA) */
  --color-granito: #2f3238;   /* botões e seções escuras */
  --color-veio: #f2efe9;      /* destaques/bordas sutis */
  --font-corpo: 'IBM Plex Sans', sans-serif;
  --font-scale: 1;
}

:root[data-theme="escuro"] {
  --color-po: #1c1e21;
  --color-cristal: #24272b;
  --color-ardosia: #F5F7FA;
  --color-bronze: #ff9142;
  --color-bronze-escuro: #ffb066;
  --color-granito: #121316;
  --color-veio: #3a3d42;
}

:root[data-theme="daltonico"] {
  --color-po: #F5F7FA;
  --color-cristal: #FFFFFF;
  --color-ardosia: #111111;
  --color-bronze: #2F6FA8;
  --color-bronze-escuro: #1D4E7D;
  --color-granito: #1A1A1A;
  --color-veio: #767676;
}

/* ===== Reset básico ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: calc(100% * var(--font-scale));
}

body {
  font-family: var(--font-corpo);
  background: var(--color-po);
  color: var(--color-ardosia);
  line-height: 1.5;
}

h1, h2, h3 { font-family: 'Fraunces', serif; font-weight: 500; line-height: 1.2; }
a { color: inherit; text-decoration: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ===== Utilitários de layout ===== */
.container { max-width: 72rem; margin: 0 auto; padding: 0 1.5rem; }
.container-sm { max-width: 48rem; margin: 0 auto; padding: 0 1.5rem; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.section { padding: 5rem 0; }
.section-tight { padding: 4rem 0; }
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 3rem; }
.grid-cards { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 640px) { .grid-cards { grid-template-columns: 1fr 1fr; } }
@media (min-width: 768px) { .grid-2 { grid-template-columns: 1fr 1fr; } .grid-cards-3 { grid-template-columns: 1fr 1fr 1fr; } }

/* ===== Skip link ===== */
.skip-link {
  position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0);
}
.skip-link:focus {
  position: fixed; top: 1rem; left: 1rem; width: auto; height: auto; z-index: 100;
  padding: 0.75rem 1.25rem; background: var(--color-ardosia); color: var(--color-cristal);
  border-radius: 4px; clip: auto;
}

/* ===== Header / nav ===== */
.site-header { border-bottom: 1px solid var(--color-veio); padding: 1.25rem 0; background: var(--color-cristal); }
.logo { font-family: 'Fraunces', serif; font-size: 1.25rem; letter-spacing: 0.02em; }
.nav-links { display: none; gap: 1.5rem; font-size: 0.9rem; }
@media (min-width: 768px) { .nav-links { display: flex; } }
.nav-links a:hover, .footer-links a:hover { color: var(--color-bronze-escuro); }

/* ===== Botões ===== */
.btn { display: inline-block; padding: 0.85rem 1.75rem; border-radius: 2px; font-size: 0.95rem; transition: background 0.15s, color 0.15s; cursor: pointer; border: none; }
.btn-primary { background: var(--color-granito); color: var(--color-cristal); }
.btn-primary:hover { background: var(--color-bronze); }
.btn-outline { border: 1px solid var(--color-granito); background: transparent; color: var(--color-ardosia); }
.btn-outline:hover { background: var(--color-granito); color: var(--color-cristal); }

/* ===== Hero ===== */
.hero { padding: 4rem 0 6rem; }
.hero-eyebrow { font-family: 'IBM Plex Mono', monospace; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-bronze-escuro); margin-bottom: 1rem; }
.hero h1 { font-size: 2.25rem; line-height: 1.15; }
@media (min-width: 768px) { .hero h1 { font-size: 3rem; } }
.hero p.lede { margin-top: 1.5rem; max-width: 28rem; font-size: 1.125rem; opacity: 0.8; }
.hero-ctas { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 1rem; }
.stats { margin-top: 3rem; border-top: 1px solid var(--color-veio); padding-top: 1.5rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.9rem; }
.stats-4 { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 640px) { .stats-4 { grid-template-columns: repeat(4, 1fr); } }
.stats dt { opacity: 0.6; font-size: 0.8rem; }
.stats dd { font-size: 1.5rem; font-weight: 700; color: var(--color-bronze-escuro); }
.stats-note { margin-top: 0.5rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; opacity: 0.4; }

/* ===== Blocos de seção ===== */
.bloco-escuro { background: var(--color-granito); color: var(--color-cristal); }
.bloco-escuro .opac { color: rgba(248,246,242,0.85); }

/* ===== Cards de material ===== */
.card { display: block; border: 1px solid var(--color-veio); background: var(--color-cristal); padding: 1.5rem; border-radius: 2px; transition: border-color 0.15s; }
.card:hover { border-color: var(--color-bronze); }
.card:hover h3 { color: var(--color-bronze-escuro); }
.card-link { margin-top: 1rem; display: inline-block; font-family: 'IBM Plex Mono', monospace; font-size: 0.75rem; color: var(--color-bronze-escuro); }

/* ===== Processo (etapas) ===== */
.etapa { display: grid; grid-template-columns: 60px 1fr; gap: 1rem; border-bottom: 1px solid var(--color-veio); padding-bottom: 1.5rem; margin-bottom: 1.5rem; }
.etapa-numero { font-family: 'IBM Plex Mono', monospace; font-size: 1.75rem; color: var(--color-bronze); }
.etapa-graos { margin-top: 1rem; display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
@media (min-width: 640px) { .etapa-graos { grid-template-columns: repeat(4, 1fr); } }
.grao-card { border: 1px solid var(--color-veio); background: var(--color-po); padding: 0.75rem; border-radius: 2px; }
.grao-numero { font-family: 'IBM Plex Mono', monospace; font-size: 1.1rem; color: var(--color-bronze-escuro); }

/* ===== Chips de bairro ===== */
.chips { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.chip { border: 1px solid var(--color-veio); background: var(--color-cristal); padding: 0.5rem 1rem; border-radius: 2px; font-size: 0.9rem; }
.chip:hover { border-color: var(--color-bronze); color: var(--color-bronze-escuro); }

/* ===== FAQ (acordeão) ===== */
.faq-item { border-bottom: 1px solid rgba(248,246,242,0.15); padding: 1rem 0; }
.faq-pergunta { display: flex; align-items: center; justify-content: space-between; width: 100%; text-align: left; background: none; border: none; color: inherit; cursor: pointer; font-family: 'Fraunces', serif; font-size: 1.1rem; }
.faq-resposta { margin-top: 0.75rem; max-width: 36rem; opacity: 0.8; display: none; }
.faq-item.aberto .faq-resposta { display: block; }
.faq-sinal { font-family: 'IBM Plex Mono', monospace; font-size: 1.25rem; color: var(--color-bronze); }

/* ===== Slider antes/depois ===== */
.baf-slider { position: relative; aspect-ratio: 4/5; width: 100%; overflow: hidden; border-radius: 2px; border: 1px solid var(--color-veio); cursor: ew-resize; user-select: none; }
.baf-camada { position: absolute; inset: 0; background-size: cover; background-position: center; }
.baf-placeholder-depois { background: linear-gradient(135deg, #FFFFFF 0%, #f2efe9 40%, #ff7a18 70%, #FFFFFF 100%); }
.baf-placeholder-antes { background: repeating-linear-gradient(135deg, #d9dde2 0px, #d9dde2 2px, #eceef1 2px, #eceef1 6px); }
.baf-linha { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--color-cristal); left: 50%; }
.baf-alca { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 2rem; height: 2rem; border-radius: 50%; background: var(--color-cristal); display: flex; align-items: center; justify-content: center; font-size: 0.75rem; }
.baf-label { position: absolute; padding: 0.25rem 0.75rem; border-radius: 2px; font-family: 'IBM Plex Mono', monospace; font-size: 0.75rem; color: var(--color-cristal); }
.baf-label-antes { top: 1rem; left: 1rem; background: rgba(36,33,29,0.8); }
.baf-label-depois { bottom: 1rem; right: 1rem; background: var(--color-bronze-escuro); }

/* ===== Formulário de orçamento ===== */
.orcamento-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 768px) { .orcamento-grid { grid-template-columns: 1fr 1fr; gap: 3rem; } }
.campo-label { display: block; font-size: 0.9rem; opacity: 0.7; margin-top: 1.5rem; }
.campo-label:first-child { margin-top: 0; }
select, input[type="text"], input[type="password"], input[type="range"], textarea { width: 100%; margin-top: 0.5rem; }
select, input[type="text"], input[type="password"], textarea { border: 1px solid var(--color-veio); background: var(--color-cristal); padding: 0.75rem 1rem; border-radius: 2px; font: inherit; }
input[type="range"] { accent-color: var(--color-bronze); }
.estado-opcoes { margin-top: 0.5rem; display: grid; gap: 0.5rem; }
.estado-btn { text-align: left; border: 1px solid var(--color-veio); background: var(--color-cristal); padding: 0.5rem 1rem; border-radius: 2px; font-size: 0.9rem; cursor: pointer; }
.estado-btn.ativo { border-color: var(--color-bronze); background: rgba(255,122,24,0.12); color: var(--color-bronze-escuro); }
.orcamento-resultado { border: 1px solid var(--color-veio); background: var(--color-cristal); padding: 1.5rem; border-radius: 2px; }
.orcamento-valor { font-family: 'Fraunces', serif; font-size: 1.75rem; margin-top: 0.5rem; }

/* ===== Barra de acessibilidade ===== */
.a11y-toolbar { position: fixed; bottom: 1rem; right: 1rem; z-index: 50; }
.a11y-fab { width: 3rem; height: 3rem; border-radius: 50%; border: 1px solid var(--color-veio); background: var(--color-cristal); font-size: 1.1rem; cursor: pointer; box-shadow: 0 2px 10px rgba(0,0,0,0.15); }
.a11y-painel { width: 18rem; margin-bottom: 0.5rem; border: 1px solid var(--color-veio); background: var(--color-cristal); padding: 1rem; border-radius: 2px; font-size: 0.9rem; box-shadow: 0 2px 10px rgba(0,0,0,0.15); }
.a11y-titulo { font-family: 'Fraunces', serif; font-size: 1rem; }
.a11y-label { margin-top: 1rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; text-transform: uppercase; opacity: 0.5; }
.a11y-botoes { margin-top: 0.5rem; display: flex; gap: 0.5rem; flex-wrap: wrap; }
.a11y-botoes button, .a11y-botao-bloco { border: 1px solid var(--color-veio); background: transparent; padding: 0.4rem 0.75rem; border-radius: 2px; font-size: 0.75rem; cursor: pointer; }
.a11y-botao-bloco { display: block; width: 100%; margin-top: 0.5rem; }
.a11y-botoes button[aria-pressed="true"] { border-color: var(--color-bronze); background: rgba(255,122,24,0.12); color: var(--color-bronze-escuro); }

/* ===== Footer ===== */
.site-footer { border-top: 1px solid var(--color-veio); padding: 2.5rem 0; font-size: 0.9rem; opacity: 0.8; }
.footer-inner { flex-direction: column; gap: 1rem; align-items: flex-start; }
@media (min-width: 768px) { .footer-inner { flex-direction: row; } }
.footer-links { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ===== Diversos ===== */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; } .mt-6 { margin-top: 3rem; } .mt-8 { margin-top: 4rem; }
.opac-70 { opacity: 0.7; } .opac-60 { opacity: 0.6; }
.mx-auto-narrow { max-width: 28rem; margin: 0 auto; }
.borda-topo { border-top: 1px solid var(--color-veio); padding-top: 1.5rem; }
.admin-card { border: 1px solid var(--color-veio); background: var(--color-cristal); padding: 1rem; border-radius: 2px; }
.admin-thumb { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
.admin-thumb img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 2px; }
.link-remover { margin-top: 0.75rem; font-size: 0.85rem; color: #b91c1c; text-decoration: underline; background: none; border: none; cursor: pointer; }
.admin-login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1.5rem; }
.admin-login-card { width: 100%; max-width: 24rem; border: 1px solid var(--color-veio); background: var(--color-cristal); padding: 2rem; border-radius: 2px; }
.erro-msg { color: #b91c1c; font-size: 0.9rem; margin-top: 0.75rem; }

/* ===== Banner de cookies (LGPD) ===== */
.cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; z-index: 60; background: var(--color-granito); color: var(--color-cristal); padding: 1.25rem 1.5rem; box-shadow: 0 -2px 10px rgba(0,0,0,0.2); }
.cookie-conteudo { max-width: 72rem; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; align-items: flex-start; }
@media (min-width: 768px) { .cookie-conteudo { flex-direction: row; align-items: center; justify-content: space-between; } }
.cookie-conteudo p { font-size: 0.9rem; opacity: 0.9; max-width: 42rem; }
.cookie-conteudo a { text-decoration: underline; color: inherit; }
.cookie-botoes { display: flex; gap: 0.75rem; flex-shrink: 0; }

/* ===== Botão voltar ao topo (lado esquerdo, distinto do de acessibilidade) ===== */
.voltar-topo {
  position: fixed; bottom: 1rem; left: 1rem; z-index: 50;
  width: 3rem; height: 3rem; border-radius: 50%;
  border: 1px solid var(--color-veio); background: var(--color-cristal);
  color: var(--color-ardosia); font-size: 1.25rem; cursor: pointer;
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
  transition: background 0.15s, color 0.15s;
}
.voltar-topo:hover { background: var(--color-granito); color: var(--color-cristal); }

/* ===== Conteúdo de post do blog (HTML gerado dinamicamente) ===== */
.conteudo-post p { margin-bottom: 1.25rem; opacity: 0.85; }
.conteudo-post h2 { margin-top: 2rem; margin-bottom: 0.75rem; font-size: 1.4rem; }
.conteudo-post ul { margin: 0 0 1.25rem 1.25rem; opacity: 0.85; }
.conteudo-post strong { color: var(--color-ardosia); }

/* ===== Widget de chat (IA) - empilhado acima do botão de acessibilidade ===== */
.chat-widget { position: fixed; bottom: 5.5rem; right: 1rem; z-index: 55; }
.chat-fab { width: 3rem; height: 3rem; border-radius: 50%; border: 1px solid var(--color-veio); background: var(--color-bronze-escuro); color: var(--color-cristal); font-size: 1.25rem; cursor: pointer; box-shadow: 0 2px 10px rgba(0,0,0,0.2); }
.chat-janela { position: absolute; bottom: 3.75rem; right: 0; width: 20rem; max-width: calc(100vw - 2rem); height: 26rem; max-height: 70vh; display: flex; flex-direction: column; border: 1px solid var(--color-veio); background: var(--color-cristal); border-radius: 4px; box-shadow: 0 4px 20px rgba(0,0,0,0.2); overflow: hidden; }
.chat-cabecalho { background: var(--color-granito); color: var(--color-cristal); padding: 0.75rem 1rem; display: flex; justify-content: space-between; align-items: center; font-size: 0.9rem; }
.chat-cabecalho button { background: none; border: none; color: var(--color-cristal); font-size: 1.25rem; cursor: pointer; line-height: 1; }
.chat-mensagens { flex: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: 0.6rem; }
.chat-msg { max-width: 85%; padding: 0.5rem 0.75rem; border-radius: 10px; font-size: 0.85rem; line-height: 1.4; }
.chat-msg-bot { align-self: flex-start; background: var(--color-po); }
.chat-msg-usuario { align-self: flex-end; background: var(--color-granito); color: var(--color-cristal); }
.chat-carregando { opacity: 0.5; }
.chat-form { display: flex; border-top: 1px solid var(--color-veio); }
.chat-form input { flex: 1; border: none; padding: 0.75rem; font: inherit; margin: 0; }
.chat-form input:focus { outline: none; }
.chat-form button { border: none; background: var(--color-bronze-escuro); color: var(--color-cristal); width: 3rem; cursor: pointer; font-size: 1.1rem; }