/* ===========================================================
   JAMB Arquitetura — folha de estilos principal
   Paleta oficial: 3B4551 (tinta) · C16E50 (terracota)
                   806C61 (barro) · C6BAAA (areia)
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Jost:wght@300;400;500;600&family=Karla:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --tinta:      #3B4551;
  --terracota:  #C16E50;
  --barro:      #806C61;
  --areia:      #C6BAAA;
  --papel:      #FAF8F5;
  --papel-alt:  #F1ECE5;
  --branco:     #FFFFFF;
  --linha:      #E1D9CC;

  --fonte-display: 'Jost', sans-serif;
  --fonte-corpo:   'Karla', sans-serif;
  --fonte-mono:    'IBM Plex Mono', monospace;

  --raio: 2px;
  --sombra: 0 12px 32px rgba(59,69,81,0.10);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--papel);
  color:var(--tinta);
  font-family:var(--fonte-corpo);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{
  font-family:var(--fonte-display);
  font-weight:400;
  letter-spacing:0.01em;
  margin:0 0 0.5em;
  color:var(--tinta);
}
p{ margin:0 0 1em; }
.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}
@media (max-width:600px){
  .container{ padding:0 16px; }
}
.rotulo{
  font-family:var(--fonte-mono);
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--terracota);
}
:focus-visible{ outline:2px solid var(--terracota); outline-offset:3px; }
@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; }
}

/* ---------- padrão de correntes (marca) usado como textura sutil ---------- */
.padrao-correntes{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='56' viewBox='0 0 40 56'%3E%3Cg fill='none' stroke='%233B4551' stroke-width='2' opacity='0.08'%3E%3Cpath d='M10 4 a6 6 0 1 0 0.1 0'/%3E%3Cline x1='10' y1='10' x2='10' y2='26'/%3E%3Cpath d='M30 30 a6 6 0 1 0 0.1 0'/%3E%3Cline x1='30' y1='36' x2='30' y2='52'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat:repeat;
}

/* ---------- cantos triangulares (assinatura visual da JAMB) ---------- */
.canto-triangulo{ position:relative; overflow:hidden; }
.canto-triangulo::before,
.canto-triangulo::after{
  content:"";
  position:absolute;
  width:64px; height:64px;
  z-index:1;
}
.canto-triangulo::before{
  top:0; right:0;
  background:var(--tinta);
  clip-path:polygon(100% 0, 0 0, 100% 100%);
}
.canto-triangulo::after{
  bottom:0; left:0;
  background:var(--terracota);
  clip-path:polygon(0 100%, 100% 100%, 0 0);
}

/* =================== cabeçalho / navegação =================== */
.cabecalho{
  position:sticky; top:0; z-index:50;
  background:rgba(250,248,245,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--linha);
}
.cabecalho .container{
  display:flex; align-items:center; justify-content:space-between;
  height:78px;
}
.marca-badge{
  display:inline-flex; align-items:center;
  background:var(--tinta); padding:9px 18px; border-radius:3px;
}
.marca-texto{
  font-family:var(--fonte-display); font-weight:300; font-size:1.15rem;
  letter-spacing:0.06em; color:var(--branco); line-height:1;
}
.nav{ display:flex; align-items:center; gap:36px; }
.nav a{
  font-family:var(--fonte-mono); font-size:13px; letter-spacing:0.06em;
  text-transform:uppercase; color:var(--tinta); position:relative; padding:6px 0;
}
.nav a::after{
  content:""; position:absolute; left:0; right:100%; bottom:0; height:1px;
  background:var(--terracota); transition:right .25s ease;
}
.nav a:hover::after, .nav a.ativo::after{ right:0; }
.nav-toggle{ display:none; }

@media (max-width:820px){
  .nav{
    position:fixed; inset:78px 0 0 0; background:var(--papel);
    flex-direction:column; padding:32px 24px; gap:24px;
    transform:translateY(-8px); opacity:0; pointer-events:none;
    transition:opacity .2s ease, transform .2s ease;
  }
  .nav.aberto{ opacity:1; transform:translateY(0); pointer-events:auto; }
  .nav-toggle{
    display:block; background:none; border:none; cursor:pointer;
    font-family:var(--fonte-mono); font-size:12px; letter-spacing:0.1em;
    text-transform:uppercase; color:var(--tinta);
  }
}

/* =================== hero =================== */
.hero{
  position:relative;
  min-height:clamp(420px, 56vh, 600px);
  display:flex; align-items:center;
  background:var(--tinta); color:var(--branco);
  overflow:hidden;
}
.hero-imagem{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; opacity:0.55;
}
.hero-degrade{
  position:absolute; inset:0;
  background:linear-gradient(0deg, var(--tinta) 10%, rgba(59,69,81,0.25) 65%, rgba(59,69,81,0.05) 100%);
}
.hero-conteudo{ position:relative; z-index:2; padding:48px 0; }
.hero-conteudo .rotulo{ color:var(--areia); }
.hero h1{
  color:var(--branco);
  font-size:clamp(2.4rem, 6vw, 4.6rem);
  line-height:1.02;
  max-width:14ch;
  margin:0.3em 0 0.4em;
}
.hero-sub{
  color:#EDE7DE; max-width:48ch; font-size:1.05rem;
}
@media (max-width:600px){
  .hero{ min-height:auto; }
  .hero-conteudo{ padding:40px 0 36px; }
  .hero .rotulo{ font-size:11px; }
}

/* =================== botões =================== */
.botao{
  display:inline-flex; align-items:center; gap:10px;
  padding:12px 26px;
  font-family:var(--fonte-mono); font-size:13px; letter-spacing:0.08em;
  text-transform:uppercase;
  border:1px solid currentColor; border-radius:var(--raio);
  transition:background .2s ease, color .2s ease;
}
.botao-primario{ background:var(--terracota); border-color:var(--terracota); color:var(--branco); }
.botao-primario:hover{ background:#a95a3d; border-color:#a95a3d; }
.botao-fantasma{ color:var(--branco); }
.botao-fantasma:hover{ background:var(--branco); color:var(--tinta); }
.botao-escuro{ color:var(--tinta); border-color:var(--tinta); }
.botao-escuro:hover{ background:var(--tinta); color:var(--branco); }

/* =================== seções gerais =================== */
.secao{ padding:88px 0; }
@media (max-width:820px){ .secao{ padding:56px 0; } }
@media (max-width:600px){ .secao{ padding:44px 0; } }

.secao-cabeca{
  display:flex; align-items:flex-end; justify-content:space-between;
  gap:24px; margin-bottom:44px; flex-wrap:wrap;
}
.secao-titulo{ font-size:clamp(1.8rem, 3.4vw, 2.6rem); max-width:20ch; }
.secao-alt{ background:var(--papel-alt); }

/* =================== grade de portfólio =================== */
.grade-projetos{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(300px, 1fr));
  gap:2px;
  background:var(--linha);
}
@media (max-width:600px){
  .grade-projetos{ grid-template-columns:1fr; }
}
.card-projeto{
  position:relative; background:var(--tinta); aspect-ratio:4/5;
  overflow:hidden; display:block;
}
.card-projeto img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  transition:transform .5s ease, opacity .4s ease;
}
.card-projeto:hover img{ transform:scale(1.05); opacity:0.35; }
.card-projeto-info{
  position:absolute; inset:auto 0 0 0; padding:20px 22px;
  color:var(--branco); z-index:2;
}
.card-projeto-meta{
  font-family:var(--fonte-mono); font-size:11px; letter-spacing:0.1em;
  text-transform:uppercase; color:var(--areia); margin-bottom:6px;
}
.card-projeto-titulo{
  font-family:var(--fonte-display); font-size:1.4rem; margin:0;
}
.card-projeto-detalhes{
  max-height:0; opacity:0; overflow:hidden;
  transition:max-height .35s ease, opacity .35s ease;
  font-family:var(--fonte-mono); font-size:12px; color:#EDE7DE;
}
.card-projeto:hover .card-projeto-detalhes{ max-height:80px; opacity:1; margin-top:8px; }

/* =================== "prancheta" — bloco de metadados do projeto =================== */
.prancheta{
  border:1px solid var(--linha); border-radius:var(--raio);
  background:var(--branco);
}
.prancheta-linha{
  display:grid; grid-template-columns:repeat(auto-fit, minmax(140px,1fr));
  border-bottom:1px solid var(--linha);
}
.prancheta-item{ padding:20px 22px; border-right:1px solid var(--linha); }
.prancheta-item:last-child{ border-right:none; }
.prancheta-item .rotulo{ display:block; margin-bottom:6px; }
.prancheta-item strong{ font-family:var(--fonte-display); font-size:1.05rem; font-weight:400; }
@media (max-width:560px){
  .prancheta-linha{ grid-template-columns:1fr; }
  .prancheta-item{ border-right:none; border-bottom:1px solid var(--linha); }
  .prancheta-item:last-child{ border-bottom:none; }
}

/* =================== conteúdo de artigo / história ================ */
.artigo{
  max-width:720px; margin:0 auto;
  font-size:1.08rem;
}
.artigo p{ margin-bottom:1.4em; }
.artigo img{ max-width:100%; height:auto; border-radius:var(--raio); margin:2em 0; display:block; }
.artigo h2{ margin-top:1.6em; }
.artigo h3{ margin-top:1.3em; }
.artigo blockquote{
  margin:1.6em 0; padding:4px 0 4px 20px; border-left:3px solid var(--terracota);
  color:var(--barro); font-style:italic;
}
.artigo iframe{
  width:100%; aspect-ratio:16/9; height:auto; border:0;
  border-radius:var(--raio); margin:2em 0; display:block;
}
.artigo a{ color:var(--terracota); text-decoration:underline; }

/* =================== cards de post (blog) =================== */
.grade-posts{
  display:grid; grid-template-columns:repeat(auto-fill, minmax(280px,1fr));
  gap:36px;
}
@media (max-width:560px){
  .grade-posts{ grid-template-columns:1fr; gap:28px; }
}
.card-post{ display:block; }
.card-post-imagem{
  aspect-ratio:4/3; overflow:hidden; border-radius:var(--raio); margin-bottom:16px;
  background:var(--areia);
}
.card-post-imagem img{ width:100%; height:100%; object-fit:cover; transition:transform .4s ease; }
.card-post:hover .card-post-imagem img{ transform:scale(1.04); }
.card-post-data{ font-family:var(--fonte-mono); font-size:11px; letter-spacing:0.08em; color:var(--barro); text-transform:uppercase; }
.card-post-titulo{ font-size:1.3rem; margin:6px 0 8px; }
.card-post-resumo{ color:var(--barro); font-size:0.95rem; }

/* =================== rodapé =================== */
.rodape{ background:var(--tinta); color:#EDE7DE; padding:56px 0 28px; }
.rodape .container{ display:flex; flex-wrap:wrap; gap:32px; justify-content:space-between; }
@media (max-width:600px){
  .rodape{ padding:40px 0 24px; }
  .rodape .container{ flex-direction:column; gap:28px; }
}
.rodape-marca{ font-family:var(--fonte-display); font-size:1.6rem; color:var(--branco); }
.rodape-col a{ display:block; margin:6px 0; font-size:0.95rem; color:#D8D1C6; }
.rodape-col a:hover{ color:var(--terracota); }
.rodape-contato{ display:flex !important; align-items:center; gap:8px; }
.rodape-contato svg{ width:15px; height:15px; flex-shrink:0; color:var(--terracota); }
.rodape-baixo{
  margin-top:40px; padding-top:20px; border-top:1px solid rgba(255,255,255,0.12);
  font-family:var(--fonte-mono); font-size:12px; color:#B9B0A2;
}

/* =================== estado vazio =================== */
.vazio{
  text-align:center; padding:80px 24px; color:var(--barro);
  font-family:var(--fonte-mono); font-size:14px;
}

/* =================== utilitários =================== */
.somente-leitura-nota{
  background:var(--papel-alt); border-left:3px solid var(--terracota);
  padding:14px 18px; font-size:0.9rem; color:var(--barro); margin-bottom:24px;
}

/* =================== HOME "CAPA" — logo / carrossel / menu / rodapé =================== */
html, body.capa-corpo{ height:100%; }
body.capa-corpo{ overflow:hidden; background:var(--tinta); }

.capa-tela{
  height:100vh; height:100dvh;
  display:flex; flex-direction:column;
  background:var(--tinta);
}

.capa-topo{
  flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  padding:22px 16px 14px;
}
.marca-texto-grande{ font-size:1.5rem; letter-spacing:0.08em; }

.capa-carrossel{
  position:relative; flex:1 1 auto; min-height:0;
  overflow:hidden; background:var(--tinta);
}
.capa-slide{
  position:absolute; top:50%; left:50%;
  width:min(56vw, 800px);
  aspect-ratio:16/10;
  border-radius:6px; overflow:hidden;
  box-shadow:0 30px 70px rgba(0,0,0,0.45);
  transition:transform 1.1s cubic-bezier(.45,0,.2,1), opacity 1.1s ease, filter 1.1s ease;
  will-change:transform, opacity, filter;
}
.capa-slide img{ width:100%; height:100%; object-fit:cover; display:block; }
.capa-carrossel-vazio{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  color:var(--areia); font-family:var(--fonte-display); font-size:2rem; letter-spacing:0.06em;
}

.capa-menu{
  flex-shrink:0; position:relative; z-index:2;
  display:flex; align-items:center; justify-content:center; gap:40px;
  padding:18px 16px;
}
.capa-menu a{
  font-family:var(--fonte-mono); font-size:13px; letter-spacing:0.1em;
  text-transform:uppercase; color:var(--branco); position:relative; padding:4px 0;
}
.capa-menu a::after{
  content:""; position:absolute; left:0; right:100%; bottom:0; height:1px;
  background:var(--terracota); transition:right .25s ease;
}
.capa-menu a:hover::after{ right:0; }

.capa-rodape{
  flex-shrink:0; position:relative; z-index:2;
  display:flex; align-items:center; justify-content:center; flex-wrap:wrap;
  gap:10px 28px; padding:14px 16px 20px;
  border-top:1px solid rgba(255,255,255,0.08);
}
.capa-contato{
  display:inline-flex; align-items:center; gap:7px;
  font-family:var(--fonte-mono); font-size:12px; color:#D8D1C6;
}
.capa-contato svg{ width:15px; height:15px; flex-shrink:0; color:var(--terracota); }
.capa-contato:hover{ color:var(--branco); }
.capa-copy{ font-family:var(--fonte-mono); font-size:11px; color:#8b8478; width:100%; text-align:center; margin-top:2px; }

@media (max-width:900px){
  .capa-slide{ width:min(76vw, 640px); }
}
@media (max-width:720px){
  .capa-topo{ padding:18px 16px 10px; }
  .marca-texto-grande{ font-size:1.2rem; }
  .capa-slide{ width:min(82vw, 520px); }
  .capa-menu{ gap:22px; padding:14px 16px; }
  .capa-menu a{ font-size:12px; }
  .capa-rodape{ gap:8px 18px; padding:10px 16px 16px; }
  .capa-contato span{ display:none; }
  .capa-contato svg{ width:18px; height:18px; }
}