/* GMK Serviços: planta baixa em papel claro. Grade pontilhada, grafite, amarelo de sinalização, azul de cota. */
:root {
  --ink: #1A1F24;
  --graphite: #2F3A44;
  --signal: #FFC72C;          /* só como fundo (texto ink, 10,6:1) ou detalhe; nunca texto sobre papel */
  --blue: #2D6CDF;            /* linhas de cota e símbolos; texto só sobre branco (4,9:1) */
  --blue-ink: #1F55B8;        /* links e rótulos de cota sobre papel: 6,2:1 */
  --blue-light: #9DBCF7;      /* cota sobre grafite: 6,1:1 */
  --paper: #F3F4F1;
  --white: #FFFFFF;
  --muted: #4A545E;           /* texto secundário: 7,0:1 sobre papel */
  --on-dark: #C3CBD2;         /* texto sobre grafite: 7,1:1 */
  --dot: #C3C8C0;
  --cond: 'Oswald', 'Arial Narrow', 'Roboto Condensed', sans-serif;
  --sans: 'Hanken Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --wall: 6px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 400 1.0625rem/1.6 var(--sans);
  color: var(--ink);
  background-color: var(--paper);
  background-image: radial-gradient(circle at 1px 1px, var(--dot) 1.1px, transparent 1.6px);
  background-size: 22px 22px;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-ink); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
h1, h2, h3 { font-family: var(--cond); font-weight: 600; text-transform: uppercase; line-height: 1.14; letter-spacing: .01em; margin: 0 0 .5em; text-wrap: balance; }
p { margin: 0 0 1em; }
.wrap { width: min(1200px, 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 50; background: var(--signal); color: var(--ink); padding: 10px 16px; font-weight: 700; }
.skip:focus { left: 8px; }
.obs { font-size: .875rem; color: var(--muted); margin-top: 24px; }

.page { display: none; }
.page.active { display: block; }
html:not(.js) .page:target { display: block; }
html:not(.js) main:has(.page:target) [data-page="home"] { display: none; }

/* ---------- botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 50px; padding: 0 24px; border: 2px solid var(--ink);
  font: 700 1rem var(--sans); text-decoration: none; cursor: pointer; text-align: center; text-wrap: balance;
  transition: background-color .15s, color .15s, box-shadow .15s;
}
.btn-sinal { background: var(--signal); color: var(--ink); box-shadow: 4px 4px 0 var(--ink); }
.btn-sinal:hover { color: var(--ink); box-shadow: 2px 2px 0 var(--ink); }
.btn-sinal:disabled { background: #E3E5E0; color: var(--muted); border-color: #8C949B; box-shadow: none; cursor: not-allowed; }
.btn-linha { background: transparent; color: var(--ink); }
.btn-linha:hover { background: var(--ink); color: var(--paper); }

/* ---------- topo ---------- */
.topo { position: sticky; top: 0; z-index: 20; background: rgba(243, 244, 241, .96); border-bottom: 2px solid var(--graphite); }
.topo-in { display: flex; align-items: center; justify-content: space-between; min-height: 68px; }
.marca { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font: 600 1.3rem var(--cond); letter-spacing: .05em; }
.nav-toggle {
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 48px; height: 48px; padding: 0 12px; background: none; border: 2px solid var(--graphite); cursor: pointer;
}
.nav-toggle span { height: 2px; background: var(--ink); transition: transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-links {
  display: none; position: absolute; left: 0; right: 0; top: 100%; margin: 0; padding: 8px 16px 20px;
  list-style: none; flex-direction: column; background: var(--paper); border-bottom: 2px solid var(--graphite);
}
.nav-links.open { display: flex; }
.nav-links a { display: flex; align-items: center; min-height: 48px; color: var(--ink); text-decoration: none; font-weight: 500; border-bottom: 1px solid #D5D9D2; }
.nav-links .nav-cta a { margin-top: 14px; justify-content: center; border: 2px solid var(--ink); background: var(--signal); font-weight: 700; }
@media (min-width: 1000px) {
  .nav-toggle { display: none; }
  .nav-links { display: flex; position: static; flex-direction: row; align-items: center; padding: 0; background: none; border: 0; }
  .nav-links a { border: 0; padding: 0 14px; font-size: .97rem; }
  .nav-links a:hover { text-decoration: underline; text-decoration-color: var(--blue); text-decoration-thickness: 2px; }
  .nav-links .nav-cta a { margin: 0 0 0 10px; padding: 0 18px; min-height: 44px; }
  .nav-links .nav-cta a:hover { background: var(--ink); color: var(--paper); text-decoration: none; }
}

/* ---------- hero ---------- */
.hero { padding: 56px 0 72px; }
.hero-grid { display: grid; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(2.5rem, 6.2vw, 4.7rem); line-height: 1.1; letter-spacing: 0; max-width: 13ch; }
.lead { font-size: 1.15rem; max-width: 36rem; }
.hero-acoes { display: flex; flex-wrap: wrap; gap: 16px; margin: 28px 0 22px; }
.hero-nota { font-size: .95rem; color: var(--muted); }
.hero-modulo { position: relative; margin: 0; border: var(--wall) solid var(--graphite); background: var(--graphite); }
.hero-foto { position: relative; overflow: hidden; }
.hero-modulo img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
/* divisória cortando o módulo, com vão de porta e o arco de abertura da folha */
.divisoria {
  position: absolute; top: 0; bottom: 0; left: 66%; width: 12px;
  background: linear-gradient(var(--signal) 0 54%, transparent 54% 76%, var(--signal) 76%);
  box-shadow: 0 0 0 2px var(--ink) inset;
}
.divisoria::after {
  content: ""; position: absolute; left: 12px; top: 54%; width: 22%; aspect-ratio: 1;
  min-width: 52px; border: 2px dashed var(--white); border-left: 0; border-bottom: 0;
  border-top-right-radius: 100%; opacity: .9;
  height: auto;
}
.hero-modulo figcaption { padding: 10px 14px 6px; background: var(--graphite); color: var(--paper); font-size: .875rem; line-height: 1.4; }
@media (min-width: 900px) {
  .hero { padding: 80px 0 96px; }
  .hero-grid { grid-template-columns: 1fr 1.08fr; gap: 56px; }
  .hero-modulo figcaption { position: absolute; left: 0; bottom: 0; max-width: 62%; padding: 10px 14px; }
}

.faixa { height: 14px; background: repeating-linear-gradient(-45deg, var(--signal) 0 14px, var(--ink) 14px 28px); }

/* ---------- seções ---------- */
.secao { padding: 72px 0; }
.sec-head { max-width: 44rem; margin-bottom: 40px; }
.sec-head h2, .depo h2 { font-size: clamp(2rem, 4.4vw, 3.2rem); }
.sec-head p { color: var(--muted); font-size: 1.08rem; }
@media (min-width: 900px) { .secao { padding: 104px 0; } }

/* serviços: cada serviço é um ambiente da planta, separado por divisórias */
.planta-servicos {
  display: grid; gap: 3px; background: var(--graphite); border: var(--wall) solid var(--graphite);
}
.ambiente { background: var(--white); padding: 28px 26px 30px; }
.ambiente h3 { font-size: 1.3rem; font-weight: 500; letter-spacing: .02em; margin: 18px 0 10px; }
.ambiente p { color: var(--muted); margin: 0; }
.simbolo { width: 48px; height: 48px; fill: none; stroke: var(--blue); stroke-width: 2.5; stroke-linecap: square; }
.ambiente-cta { display: flex; flex-direction: column; justify-content: flex-end; gap: 8px; background: var(--signal); color: var(--ink); text-decoration: none; }
.ambiente-cta:hover { color: var(--ink); background: #FFD45C; }
.cta-tit { font: 600 1.7rem/1.05 var(--cond); text-transform: uppercase; text-decoration: underline; text-decoration-thickness: 3px; text-underline-offset: 6px; }
@media (min-width: 640px) { .planta-servicos { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .planta-servicos { grid-template-columns: repeat(3, 1fr); } }

/* ---------- estimativa ---------- */
.estimativa { background: var(--graphite); color: var(--paper); }
.estimativa .sec-head p, .estimativa .obs { color: var(--on-dark); }
.est { display: grid; gap: 32px; }
.est-form { display: grid; gap: 28px; align-content: start; }
.campo { border: 0; padding: 0; margin: 0; min-width: 0; }
.campo legend, .campo > label { display: block; font-weight: 700; margin-bottom: 10px; padding: 0; }
.opcoes { display: flex; flex-wrap: wrap; gap: 10px; }
.opcoes label { position: relative; }
.opcoes input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.opcoes span { display: inline-flex; align-items: center; min-height: 48px; padding: 0 18px; border: 2px solid var(--on-dark); color: var(--paper); font-weight: 500; cursor: pointer; }
.opcoes input:checked + span { background: var(--signal); border-color: var(--signal); color: var(--ink); font-weight: 700; }
.opcoes input:focus-visible + span { outline: 3px solid var(--blue-light); outline-offset: 3px; }
.qtd { display: grid; gap: 20px; }
.qtd input {
  width: 100%; max-width: 200px; min-height: 54px; padding: 0 14px; border: 2px solid var(--paper);
  background: var(--paper); color: var(--ink); font: 500 1.6rem var(--cond);
}
.qtd input:focus-visible { outline-color: var(--blue-light); }
.qtd small { display: block; margin-top: 6px; color: var(--on-dark); font-size: .875rem; }
.chk { display: flex; gap: 12px; align-items: flex-start; cursor: pointer; }
.chk input { width: 22px; height: 22px; margin: 2px 0 0; accent-color: var(--signal); flex: none; }
.chk input:focus-visible { outline-color: var(--blue-light); }
@media (min-width: 560px) { .qtd { grid-template-columns: 1fr 1fr; } }

.est-saida { display: flex; flex-direction: column; gap: 22px; align-items: flex-start; background: var(--paper); color: var(--ink); padding: 28px 24px; border-top: 10px solid var(--signal); }
#svc-resultado { width: 100%; min-height: 120px; }
.est-vazio, .est-aviso { color: var(--muted); margin: 0; }
.est-aviso { padding-left: 14px; border-left: 4px solid var(--signal); color: var(--ink); }
.est-equipe { font: 600 clamp(1.6rem, 3.6vw, 2.2rem)/1.1 var(--cond); margin: 0 0 6px; }
.est-horas { color: var(--muted); margin: 0 0 18px; }
.est-planta { display: grid; gap: 16px; margin-bottom: 16px; }
.cota {
  position: relative; display: block; margin-bottom: 8px; padding-top: 6px; border-top: 1.5px solid var(--blue);
  color: var(--blue-ink); font-size: .8125rem; font-weight: 700; text-align: center;
}
.cota::before, .cota::after { content: ""; position: absolute; top: -6px; width: 1.5px; height: 11px; background: var(--blue); }
.cota::before { left: 0; } .cota::after { right: 0; }
.cells { display: flex; flex-wrap: wrap; gap: 4px; }
.cells i { width: 12px; height: 12px; border: 2px solid var(--graphite); background: var(--white); }
.cells b { width: 38px; height: 28px; border: 2px solid var(--graphite); background: rgba(45, 108, 223, .14); }
.grp { width: fit-content; max-width: 100%; }
.est-nota { font-size: .875rem; color: var(--muted); margin: 0; }
@media (min-width: 900px) {
  .est { grid-template-columns: 1fr 1.1fr; gap: 48px; }
  .est-saida { padding: 36px 34px; }
}

/* ---------- como funciona ---------- */
.passos { list-style: none; margin: 0; padding: 0; display: grid; gap: 32px; }
.passos li { position: relative; padding-top: 22px; border-top: 3px solid var(--graphite); }
.passos h3 { font-size: 1.45rem; margin: 18px 0 8px; }
.passos p { color: var(--muted); margin: 0; }
.num { display: inline-grid; place-items: center; width: 48px; height: 48px; background: var(--signal); border: 2px solid var(--ink); font: 600 1.5rem var(--cond); }
@media (min-width: 760px) { .passos { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .passos { grid-template-columns: repeat(4, 1fr); gap: 28px; } }
.js .passos[data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.js .passos[data-reveal].revealed { opacity: 1; transform: none; }
.js .passos[data-reveal] .num { background: var(--paper); transition: background-color .3s ease; }
.js .passos[data-reveal].revealed .num { background: var(--signal); }
.js .passos.revealed li:nth-child(1) .num { transition-delay: .4s; }
.js .passos.revealed li:nth-child(2) .num { transition-delay: .7s; }
.js .passos.revealed li:nth-child(3) .num { transition-delay: 1s; }
.js .passos.revealed li:nth-child(4) .num { transition-delay: 1.3s; }

/* ---------- casos ---------- */
.casos { background: var(--white); border-block: 2px solid var(--graphite); }
.casos-lista { display: grid; gap: 28px; }
.caso { border: 2px solid var(--graphite); background: var(--paper); display: flex; flex-direction: column; }
.caso img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-bottom: 2px solid var(--graphite); }
.caso-txt { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.etiqueta { align-self: flex-start; background: var(--signal); color: var(--ink); font-size: .8125rem; font-weight: 700; padding: 3px 10px; border: 1.5px solid var(--ink); margin-bottom: 14px; }
.caso h3 { font-size: 1.35rem; font-weight: 500; }
.caso p { font-size: .98rem; }
.caso-num { margin: auto 0 0; padding-top: 14px; border-top: 1.5px dashed var(--blue); color: var(--muted); }
.caso-num span { display: block; font: 600 1.7rem/1.1 var(--cond); color: var(--ink); text-transform: uppercase; }
@media (min-width: 900px) { .casos-lista { grid-template-columns: repeat(3, 1fr); } }

/* ---------- depoimentos ---------- */
.depo-lista { display: grid; gap: 28px; margin-top: 36px; }
.depo-item { margin: 0; padding: 4px 0 0 22px; border-left: 4px solid var(--blue); }
.depo-item blockquote { margin: 0 0 14px; font-size: 1.1rem; }
.depo-item figcaption { color: var(--muted); font-size: .94rem; }
.depo-item strong { display: block; color: var(--ink); }
@media (min-width: 900px) { .depo-lista { grid-template-columns: repeat(3, 1fr); gap: 36px; } }

/* ---------- FAQ ---------- */
.faq-grid { display: grid; gap: 16px; }
.faq-lista details { border-bottom: 2px solid var(--graphite); background: var(--white); }
.faq-lista details:first-child { border-top: 2px solid var(--graphite); }
.faq-lista summary { display: flex; justify-content: space-between; gap: 16px; padding: 18px 20px; font-weight: 700; cursor: pointer; list-style: none; }
.faq-lista summary::-webkit-details-marker { display: none; }
.faq-lista summary::after { content: "+"; font: 600 1.4rem/1 var(--cond); color: var(--blue-ink); }
.faq-lista details[open] summary::after { content: "−"; }
.faq-lista details p { padding: 0 20px 20px; margin: 0; color: var(--muted); }
@media (min-width: 900px) { .faq-grid { grid-template-columns: 1fr 1.5fr; gap: 56px; } }

/* ---------- contato ---------- */
.contato-grid { display: grid; gap: 36px; }
.contato-info h2 { font-size: clamp(2rem, 4.4vw, 3rem); }
.contato-info > p { color: var(--muted); }
.contato-mail { font: 500 1.5rem var(--cond); }
.contato-mail a { color: var(--ink); text-decoration-color: var(--signal); text-decoration-thickness: 4px; }
.form { display: grid; gap: 18px; padding: 26px 22px; background: var(--white); border: 2px solid var(--graphite); box-shadow: 8px 8px 0 var(--graphite); }
.form .campo > label { margin-bottom: 6px; }
.req { font-weight: 400; color: var(--muted); font-size: .875rem; }
.form input, .form textarea {
  width: 100%; padding: 12px 14px; min-height: 48px; border: 2px solid #6E7881; background: var(--white);
  font: 400 1rem var(--sans); color: var(--ink);
}
.form input:focus-visible, .form textarea:focus-visible { border-color: var(--blue); outline-offset: 1px; }
.form [aria-invalid="true"] { border-color: #B42318; }
.form textarea { resize: vertical; }
.form-resumo { margin: 0; padding: 12px 14px; background: #FFF3CC; border-left: 4px solid var(--signal); font-size: .95rem; }
.form-erro { margin: 0; padding: 12px 14px; background: #FDECEA; border-left: 4px solid #B42318; color: #8A1C12; font-weight: 700; }
.form-pe { margin-top: 4px; }
@media (min-width: 640px) {
  .form { grid-template-columns: 1fr 1fr; padding: 32px 30px; }
  .campo-largo { grid-column: 1 / -1; }
}
@media (min-width: 900px) { .contato-grid { grid-template-columns: 1fr 1.2fr; gap: 64px; align-items: start; } }

/* ---------- páginas legais ---------- */
.legal { max-width: 760px; padding: 48px 0 88px; }
.legal h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); margin-top: 24px; }
.legal h2 { font-size: 1.3rem; font-weight: 500; margin-top: 36px; }
.legal p { overflow-wrap: anywhere; }
.legal-data { color: var(--muted); font-size: .94rem; }
.voltar { font-weight: 700; }

/* ---------- rodapé ---------- */
.rodape { background: var(--graphite); color: var(--on-dark); }
.rodape a { color: var(--paper); }
.rodape a:hover { color: var(--signal); }
.rodape-grid { display: grid; gap: 32px; padding: 56px 0 36px; }
.rodape-logo { display: flex; align-items: center; gap: 12px; font: 600 1.3rem var(--cond); letter-spacing: .05em; color: var(--paper); }
.rodape-col h2 { font: 700 1rem var(--sans); text-transform: none; color: var(--paper); margin-bottom: 12px; }
.rodape-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.rodape-col a { display: inline-flex; align-items: center; min-height: 40px; }
.rodape-base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; padding: 20px 0 28px; border-top: 1px solid rgba(195, 203, 210, .3); font-size: .875rem; }
.rodape-base p { margin: 0; }
@media (min-width: 760px) { .rodape-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .js .passos[data-reveal] { opacity: 1; transform: none; }
  .js .passos[data-reveal] .num { background: var(--signal); }
}