/* Layout: folhas de prancha — grade fina de 12 colunas, rótulos técnicos em Montserrat espaçada, títulos em Kodchasan, carimbo de prancha no rodapé. */
:root {
  --branco: #ffffff;
  --nevoa: #f3f2ee;       /* fundo principal, puxado do bege institucional */
  --cinza-claro: #e6e6e6; /* institucional */
  --areia: #cecdc1;       /* institucional */
  --grafite: #474748;     /* institucional */
  --tinta: #2b2b2c;       /* texto corrido */
  --linha: rgba(71, 71, 72, .18);
  --display: "Kodchasan", "Montserrat", system-ui, sans-serif;
  --texto: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
  --larg: 1200px;
  --gutter: max(16px, env(safe-area-inset-left, 0px));
  --gutter-r: max(16px, env(safe-area-inset-right, 0px));
  color-scheme: light;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--nevoa); color: var(--tinta);
  font-family: var(--texto); font-weight: 400; font-size: 16px; line-height: 1.7;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--grafite); outline-offset: 3px; }

.wrap { max-width: var(--larg); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter-r); }

/* rótulos técnicos */
.rotulo {
  font-family: var(--texto); font-size: .72rem; font-weight: 500;
  letter-spacing: .32em; text-transform: uppercase; color: var(--grafite);
}
h1, h2, h3 { font-family: var(--display); font-weight: 600; color: var(--grafite); text-wrap: balance; margin: 0; line-height: 1.15; }
h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.25rem; }
p { margin: 0; max-width: 65ch; }

/* cabeçalho */
.topo { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: var(--nevoa); border-bottom: 1px solid var(--linha); }
.topo .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 18px; }
.topo .marca img { height: 30px; width: auto; }
.menu { display: flex; gap: 32px; list-style: none; margin: 0; padding: 0; }
.menu a { text-decoration: none; font-size: .74rem; font-weight: 500; letter-spacing: .26em; text-transform: uppercase; color: var(--grafite); padding-block: 6px; border-bottom: 1px solid transparent; }
.menu a:hover, .menu a[aria-current="page"] { border-bottom-color: var(--grafite); }
.menu-btn { display: none; background: none; border: 1px solid var(--grafite); color: var(--grafite); font: 500 .7rem var(--texto); letter-spacing: .26em; text-transform: uppercase; padding: 10px 14px; cursor: pointer; }

@media (max-width: 820px) {
  .menu-btn { display: block; }
  .menu { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; gap: 0; background: var(--nevoa); border-bottom: 1px solid var(--linha); padding: 8px var(--gutter-r) 16px var(--gutter); }
  .menu.aberto { display: flex; }
  .menu a { display: block; padding-block: 14px; border-bottom: 1px solid var(--linha); }
  .topo .marca img { height: 24px; }
}

/* seções */
.secao { padding-block: clamp(56px, 9vw, 120px); }
.secao + .secao { border-top: 1px solid var(--linha); }
.escura { background: var(--grafite); color: var(--cinza-claro); }
.escura h1, .escura h2, .escura h3, .escura .rotulo { color: var(--cinza-claro); }
.areia { background: var(--areia); }
.cabeca { display: grid; gap: 18px; margin-bottom: clamp(32px, 5vw, 56px); }

/* hero */
.hero { padding-block: clamp(48px, 8vw, 104px) clamp(40px, 6vw, 80px); }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 6vw, 80px); align-items: end; }
.hero-texto { display: grid; gap: 24px; min-width: 0; }
.hero-texto p { font-size: 1.08rem; }
.hero-img { aspect-ratio: 4 / 5; max-width: 100%; }
.hero-img.curta { aspect-ratio: 1 / 1; }
.hero-img.paisagem { aspect-ratio: 4 / 3; align-self: center; }
.hero-alinhado { grid-template-columns: 1fr 1fr; gap: clamp(32px, 4vw, 56px); align-items: stretch; }
.hero-alinhado .hero-img.paisagem { aspect-ratio: auto; align-self: stretch; height: 100%; min-height: 320px; }
.foto.tem-img { background: var(--areia); padding: 0; overflow: hidden; }
@media (max-width: 820px) { .hero-grid { grid-template-columns: 1fr; } .hero-img { aspect-ratio: 4 / 3; } .hero-img.tem-img { aspect-ratio: 4 / 5; } .hero-img.tem-img.paisagem, .hero-alinhado .hero-img.paisagem { aspect-ratio: 4 / 3; height: auto; min-height: 0; } }

/* espaço reservado para fotos */
.foto {
  position: relative; background: var(--areia); max-width: 100%;
  background-image:
    linear-gradient(var(--linha) 1px, transparent 1px),
    linear-gradient(90deg, var(--linha) 1px, transparent 1px);
  background-size: 32px 32px;
  display: flex; align-items: flex-end; padding: 16px;
}
.foto span { font-size: .66rem; letter-spacing: .28em; text-transform: uppercase; color: var(--grafite); background: var(--nevoa); padding: 6px 10px; }
.foto img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

/* botões */
.botoes { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 500 .74rem var(--texto); letter-spacing: .26em; text-transform: uppercase; padding: 16px 24px; border: 1px solid var(--grafite); color: var(--grafite); background: transparent; transition: background .2s, color .2s; }
.btn:hover { background: var(--grafite); color: var(--cinza-claro); }
.btn.cheio { background: var(--grafite); color: var(--cinza-claro); }
.btn.cheio:hover { background: var(--tinta); }
.escura .btn { border-color: var(--cinza-claro); color: var(--cinza-claro); }
.escura .btn:hover, .escura .btn.cheio { background: var(--cinza-claro); color: var(--grafite); }

/* listas de serviços */
.servicos { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--linha); }
.servico { display: grid; gap: 14px; align-content: start; padding: 32px 28px 36px 0; border-bottom: 1px solid var(--linha); min-width: 0; }
.servico + .servico { padding-left: 28px; border-left: 1px solid var(--linha); }
.servico .rotulo { font-size: .66rem; }
@media (max-width: 820px) {
  .servicos { grid-template-columns: 1fr; }
  .servico, .servico + .servico { padding: 28px 0; border-left: 0; }
}

.itens { list-style: none; margin: 0 0 8px; padding: 0; display: grid; }
.itens li { padding-block: 8px; border-bottom: 1px solid var(--linha); font-size: .94rem; }
.servico .rotulo + .itens { margin-top: -6px; }

.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.tile { display: grid; gap: 12px; align-content: start; padding: 28px; background: var(--nevoa); text-decoration: none; border: 1px solid transparent; transition: border-color .2s; min-width: 0; }
.tile:hover { border-color: var(--grafite); }
.tile .seta { margin-top: 8px; font-size: .72rem; letter-spacing: .26em; text-transform: uppercase; color: var(--grafite); }
@media (max-width: 820px) { .tiles { grid-template-columns: 1fr; } }
[id] { scroll-margin-top: 80px; }

.foto.sem-foto { align-items: center; justify-content: center; flex-direction: column; gap: 14px; background-color: var(--cinza-claro); }
.foto.sem-foto .selo { position: static; width: 72px; height: auto; opacity: .35; }
.foto.sem-foto span { background: transparent; padding: 0; }
.larga-vazia { aspect-ratio: 16 / 7; max-width: 100%; }

/* grade de projetos */
.projetos { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 3vw, 40px); }
@media (max-width: 900px) { .projetos { grid-template-columns: repeat(2, 1fr); } }
.card-projeto { text-decoration: none; display: grid; gap: 14px; min-width: 0; }
.card-projeto .foto { aspect-ratio: 4 / 3; transition: filter .3s; }
.card-projeto:hover .foto { filter: brightness(.94); }
.card-projeto .meta { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.card-projeto h3 { font-size: 1.15rem; }
@media (max-width: 640px) { .projetos { grid-template-columns: 1fr; } }

/* ficha técnica do projeto */
.ficha { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--grafite); border-bottom: 1px solid var(--linha); }
.ficha div { padding: 16px 16px 16px 0; display: grid; gap: 4px; min-width: 0; }
.ficha div + div { padding-left: 16px; border-left: 1px solid var(--linha); }
.ficha dd { margin: 0; font-weight: 500; color: var(--grafite); }
.ficha dt { font-size: .64rem; letter-spacing: .28em; text-transform: uppercase; }
@media (max-width: 640px) { .ficha { grid-template-columns: 1fr 1fr; } .ficha div:nth-child(3) { padding-left: 0; border-left: 0; } }
.galeria { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.galeria .foto.larga { grid-column: 1 / -1; aspect-ratio: 16 / 9; }
.galeria .foto { aspect-ratio: 4 / 5; }
@media (max-width: 640px) { .galeria { grid-template-columns: 1fr; } }

.galeria2 { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.galeria2 figure { margin: 0; background: var(--areia); overflow: hidden; max-width: 100%; min-width: 0; }
.galeria2 img { width: 100%; height: 100%; object-fit: cover; }
.galeria2 .g-larga { grid-column: 1 / -1; }
.galeria2 .g-terco { grid-column: span 2; }
.galeria2 .g-meia { grid-column: span 3; }
@media (max-width: 640px) { .galeria2 { grid-template-columns: 1fr; gap: 12px; } .galeria2 .g-terco, .galeria2 .g-meia { grid-column: 1 / -1; } }

/* duas colunas genéricas */
.duas { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.duas > * { min-width: 0; }
.texto { display: grid; gap: 18px; }
@media (max-width: 820px) { .duas { grid-template-columns: 1fr; } }

/* etapas do processo */
.etapas { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: etapa; }
.etapas li { counter-increment: etapa; padding: 24px 20px 0 0; border-top: 1px solid currentColor; display: grid; gap: 10px; align-content: start; min-width: 0; }
.etapas li::before { content: "Etapa " counter(etapa); font-size: .64rem; letter-spacing: .28em; text-transform: uppercase; }
.etapas strong { font-family: var(--display); font-weight: 600; font-size: 1.05rem; }
.etapas p { font-size: .92rem; }
@media (max-width: 900px) { .etapas { grid-template-columns: 1fr 1fr; row-gap: 32px; } }
@media (max-width: 520px) { .etapas { grid-template-columns: 1fr; } }

/* contato */
.contatos { display: grid; gap: 0; border-top: 1px solid var(--linha); }
.contatos a, .contatos div { display: grid; grid-template-columns: 160px 1fr; gap: 16px; padding-block: 20px; border-bottom: 1px solid var(--linha); text-decoration: none; min-width: 0; }
.contatos a:hover strong { text-decoration: underline; text-underline-offset: 4px; }
.contatos strong { font-weight: 500; color: var(--grafite); overflow-wrap: anywhere; }
@media (max-width: 520px) { .contatos a, .contatos div { grid-template-columns: 1fr; gap: 4px; } }

/* rodapé = carimbo de prancha */
.rodape { background: var(--grafite); color: var(--cinza-claro); padding-block: 48px 32px; }
.carimbo { display: grid; }
.carimbo > div { display: grid; gap: 6px; align-content: start; min-width: 0; }
.carimbo .rotulo { color: var(--areia); font-size: .62rem; }
.carimbo a { text-decoration: none; overflow-wrap: anywhere; }
.carimbo a:hover { text-decoration: underline; text-underline-offset: 3px; }
.rodape small { display: block; margin-top: 20px; font-size: .72rem; letter-spacing: .08em; color: var(--areia); }

/* botão flutuante de WhatsApp */
.whats { position: fixed; right: calc(20px + env(safe-area-inset-right, 0px)); bottom: calc(20px + env(safe-area-inset-bottom, 0px)); z-index: 30; display: flex; align-items: center; gap: 10px; background: var(--grafite); color: var(--cinza-claro); text-decoration: none; font: 500 .7rem var(--texto); letter-spacing: .22em; text-transform: uppercase; padding: 14px 18px; box-shadow: 0 6px 24px rgba(0,0,0,.18); }
.whats svg { width: 18px; height: 18px; fill: currentColor; }

/* marcador de rascunho (remover ao preencher) */
.rascunho { background: #fff6c8; color: #5a4a00; padding: 0 .25em; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }