/* Mais Luz Engenharia — folha de estilo do site
   Layout: cabeçalho branco fixo, seções em faixas largas alternando branco, papel e azul-noite; conteúdo em coluna de até 1180px. */
:root {
  --noite: #0C1440;      /* azul-noite da marca */
  --azul: #23338C;       /* azul do "LUZ" */
  --azul-claro: #848DBF;
  --sol: #F29F05;        /* âmbar do sol */
  --sol-escuro: #D98C00;
  --areia: #F2D399;
  --papel: #F4F5F8;
  --nevoa: #CCCED9;
  --ardosia: #565C7E;
  --tinta: #141B45;
  --branco: #FFFFFF;
  --f-tit: "Roboto Slab", "Rockwell", "Zilla Slab", Georgia, serif;
  --f-txt: "Barlow", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --raio: 8px;
  --sombra: 0 10px 30px rgba(12, 20, 64, 0.10);
  color-scheme: light;
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--branco); color: var(--tinta); font-family: var(--f-txt); font-size: 1.0625rem; line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--azul); }
a:hover { color: var(--noite); }
:focus-visible { outline: 3px solid var(--sol); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--f-tit); color: var(--noite); line-height: 1.12; margin: 0 0 0.5em; text-wrap: balance; }
h1 { font-size: clamp(2.05rem, 4.2vw, 3.4rem); font-weight: 800; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.35rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }
.cont { width: 100%; max-width: 1180px; margin: 0 auto; padding-inline: 20px; }
.estreito { max-width: 820px; }
.skip { position: absolute; left: -9999px; top: 0; background: var(--sol); color: var(--noite); padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; top: 8px; }

/* Rótulo em caixa alta espaçada, com o filete do logo */
.eyebrow { display: flex; align-items: center; gap: 14px; margin: 0 0 14px; font-family: var(--f-txt); font-weight: 600; font-size: 0.8rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--azul); }
.eyebrow::after { content: ""; height: 1px; flex: 0 0 56px; background: currentColor; opacity: 0.55; }
.eyebrow-claro { color: var(--areia); }
.intro { font-size: 1.15rem; color: var(--ardosia); max-width: 62ch; }
.lead { font-size: clamp(1.08rem, 1.6vw, 1.25rem); max-width: 60ch; }
.nota { font-size: 0.92rem; color: var(--ardosia); }

/* Botões */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 13px 24px; border-radius: 6px; border: 2px solid transparent; font-family: var(--f-txt); font-weight: 600; font-size: 1rem; line-height: 1.2; text-decoration: none; cursor: pointer; transition: background-color .15s, color .15s, border-color .15s; }
.btn-sol { background: var(--sol); color: var(--noite); }
.btn-sol:hover { background: var(--sol-escuro); color: var(--noite); }
.btn-azul { background: var(--azul); color: var(--branco); }
.btn-azul:hover { background: var(--noite); color: var(--branco); }
.btn-contorno { border-color: rgba(255,255,255,0.75); color: var(--branco); }
.btn-contorno:hover { background: var(--branco); color: var(--noite); }
.btn-contorno-escuro { border-color: var(--azul); color: var(--azul); }
.btn-contorno-escuro:hover { background: var(--azul); color: var(--branco); }
.btn-claro { background: var(--branco); color: var(--noite); }
.btn-claro:hover { background: var(--papel); color: var(--noite); }
.hero-btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.link-seta { font-weight: 600; text-decoration: none; white-space: nowrap; }
.link-seta::after { content: " \2192"; }

/* Cabeçalho */
.topo { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: var(--branco); border-bottom: 1px solid var(--nevoa); }
.topo-in { max-width: 1180px; margin: 0 auto; padding: 12px 20px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.marca img { height: 46px; width: auto; }
.menu { display: flex; align-items: center; gap: 28px; }
.menu-lista { display: flex; gap: 24px; list-style: none; margin: 0; padding: 0; }
.menu-lista > li { position: relative; }
.menu-lista a { color: var(--tinta); text-decoration: none; font-weight: 600; padding: 8px 0; display: inline-block; }
.menu-lista a:hover, .menu-lista a[aria-current="page"], .menu-lista a.is-active { color: var(--azul); }
.menu-lista a[aria-current="page"], .menu-lista a.is-active { box-shadow: inset 0 -3px 0 var(--sol); }
.tem-sub > a::after { content: ""; display: inline-block; margin-left: 6px; border: 5px solid transparent; border-top-color: currentColor; transform: translateY(3px); }
.sub { position: absolute; top: 100%; left: -16px; min-width: 270px; list-style: none; margin: 0; padding: 10px 0; background: var(--branco); border: 1px solid var(--nevoa); border-radius: var(--raio); box-shadow: var(--sombra); opacity: 0; visibility: hidden; transform: translateY(6px); transition: opacity .15s, transform .15s, visibility .15s; }
.sub a { display: block; padding: 8px 18px; font-weight: 500; }
.sub a:hover { background: var(--papel); }
.tem-sub:hover .sub, .tem-sub:focus-within .sub { opacity: 1; visibility: visible; transform: none; }
.menu-btn { display: none; align-items: center; gap: 8px; background: none; border: 1px solid var(--nevoa); border-radius: 6px; padding: 9px 12px; font: 600 0.95rem var(--f-txt); color: var(--noite); cursor: pointer; }
.menu-ico, .menu-ico::before, .menu-ico::after { display: block; width: 20px; height: 2px; background: currentColor; position: relative; transition: transform .2s; }
.menu-ico::before, .menu-ico::after { content: ""; position: absolute; left: 0; }
.menu-ico::before { top: -6px; }
.menu-ico::after { top: 6px; }
.menu-aberto .menu-ico { background: transparent; }
.menu-aberto .menu-ico::before { transform: translateY(6px) rotate(45deg); }
.menu-aberto .menu-ico::after { transform: translateY(-6px) rotate(-45deg); }

/* Capa da página inicial */
.hero { position: relative; color: var(--branco); background: var(--noite); overflow: hidden; }
.hero-img, .pag-hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::after, .pag-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(12,20,64,0.94) 0%, rgba(12,20,64,0.82) 38%, rgba(12,20,64,0.35) 70%, rgba(12,20,64,0.15) 100%); }
.hero-in { position: relative; z-index: 1; padding-block: clamp(72px, 11vw, 140px) clamp(56px, 8vw, 96px); }
.hero-in > * { max-width: 700px; }
.hero h1, .pag-hero h1 { color: var(--branco); }
.hero .lead, .pag-hero .lead { color: #E6E8F2; }
.faixa { position: relative; z-index: 1; background: rgba(12, 20, 64, 0.88); border-top: 1px solid rgba(242, 159, 5, 0.6); }
.faixa-lista { list-style: none; margin: 0; padding: 16px 0; display: flex; flex-wrap: wrap; gap: 6px 0; font-weight: 600; font-size: 0.78rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--areia); }
.faixa-lista li:not(:last-child)::after { content: "\00B7"; margin: 0 12px; color: var(--sol); }

/* Capa das páginas internas */
.pag-hero { position: relative; color: var(--branco); background: var(--noite); overflow: hidden; }
.pag-hero-in { position: relative; z-index: 1; padding-block: clamp(56px, 8vw, 104px); }
.pag-hero-in > * { max-width: 720px; }
.trilha { font-size: 0.9rem; margin-bottom: 18px; color: #C9CDE3; }
.trilha a { color: #E6E8F2; }
.trilha-escura { color: var(--ardosia); }
.trilha-escura a { color: var(--azul); }
.pag-topo { background: var(--papel); border-bottom: 1px solid var(--nevoa); padding-block: clamp(44px, 6vw, 72px) clamp(32px, 4vw, 48px); }

/* Seções */
.secao { padding-block: clamp(56px, 8vw, 104px); }
.secao-curta { padding-block: clamp(36px, 5vw, 64px); }
.secao-papel { background: var(--papel); }
.secao-noite { background: var(--noite); color: #E6E8F2; }
.secao-noite h2 { color: var(--branco); }
.duas-col { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
.duas-col > * { min-width: 0; }
.alinhar { align-items: center; }
.tit-linha { display: flex; justify-content: space-between; align-items: end; gap: 16px; flex-wrap: wrap; margin-bottom: 8px; }

/* Cartões de serviço */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 36px; }
.card { background: var(--branco); border: 1px solid var(--nevoa); border-radius: var(--raio); overflow: hidden; transition: box-shadow .2s, transform .2s; }
.card:hover { box-shadow: var(--sombra); transform: translateY(-3px); }
.card-link { display: flex; flex-direction: column; height: 100%; color: inherit; text-decoration: none; }
.card-img { aspect-ratio: 4 / 3; overflow: hidden; background: var(--papel); }
.card-img img { width: 100%; height: 100%; object-fit: cover; }
.card-txt { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.card-txt p { color: var(--ardosia); font-size: 1rem; }
.mais { margin-top: auto; font-weight: 600; color: var(--azul); }
.mais::after { content: " \2192"; }

/* Listas com o raio do logo como marcador */
.lista-check { list-style: none; margin: 0 0 1.4em; padding: 0; display: grid; gap: 10px; }
.lista-check li { position: relative; padding-left: 26px; }
.lista-check li::before { content: ""; position: absolute; left: 2px; top: 0.32em; width: 12px; height: 16px; background: var(--sol); clip-path: polygon(55% 0, 0 58%, 42% 58%, 30% 100%, 100% 36%, 56% 36%, 75% 0); }
.lista-clara li { color: #E6E8F2; }

/* Etapas */
.etapas { list-style: none; counter-reset: etapa; margin: 36px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.etapas li { counter-increment: etapa; border-top: 2px solid var(--noite); padding-top: 16px; }
.etapas li::before { content: "0" counter(etapa); display: block; font-family: var(--f-tit); font-weight: 800; font-size: 2.2rem; color: var(--sol); line-height: 1; margin-bottom: 12px; }
.etapas p { color: var(--ardosia); font-size: 1rem; }
.passos { counter-reset: passo; list-style: none; margin: 0 0 1.4em; padding: 0; display: grid; gap: 14px; }
.passos li { counter-increment: passo; position: relative; padding-left: 46px; min-height: 32px; padding-top: 3px; }
.passos li::before { content: counter(passo); position: absolute; left: 0; top: 0; width: 32px; height: 32px; border-radius: 50%; background: var(--noite); color: var(--sol); font-family: var(--f-tit); font-weight: 700; display: grid; place-items: center; font-size: 0.95rem; }

/* Fotos */
.foto-moldura { margin: 0; }
.foto-moldura img { border-radius: var(--raio); width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.foto-moldura figcaption { font-size: 0.9rem; color: var(--ardosia); margin-top: 10px; }
.secao-noite .foto-moldura figcaption { color: #B8BDD8; }
.galeria { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 28px; }
.galeria figure { margin: 0; min-width: 0; }
.galeria img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 6px; background: var(--nevoa); }
.galeria figcaption { font-size: 0.92rem; color: var(--ardosia); margin-top: 8px; }
.filtros { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.filtro { border: 1px solid var(--nevoa); background: var(--branco); color: var(--tinta); border-radius: 999px; padding: 8px 16px; font: 600 0.95rem var(--f-txt); cursor: pointer; }
.filtro[aria-pressed="true"] { background: var(--noite); color: var(--branco); border-color: var(--noite); }

/* Ficha técnica */
.ficha { border: 1px solid var(--nevoa); border-radius: var(--raio); overflow: hidden; background: var(--branco); }
.ficha-tit { margin: 0; background: var(--noite); color: var(--areia); font-weight: 600; font-size: 0.8rem; letter-spacing: 0.22em; text-transform: uppercase; padding: 14px 20px; }
.ficha ul { list-style: none; margin: 0; padding: 0; }
.ficha li { display: grid; grid-template-columns: 9.5rem 1fr; gap: 16px; padding: 13px 20px; border-top: 1px solid var(--nevoa); }
.ficha li:first-child { border-top: 0; }
.f-item { font-family: var(--f-tit); font-weight: 700; color: var(--noite); }
.f-desc { color: var(--tinta); }
.ficha-nota { margin: 0; padding: 12px 20px; background: var(--papel); font-size: 0.88rem; color: var(--ardosia); border-top: 1px solid var(--nevoa); }

/* Perguntas */
.faq { border-top: 1px solid var(--nevoa); margin-top: 20px; }
.faq details { border-bottom: 1px solid var(--nevoa); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 40px 18px 0; position: relative; font-weight: 600; font-size: 1.08rem; color: var(--noite); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%); font-family: var(--f-tit); font-size: 1.5rem; color: var(--sol); }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { color: var(--ardosia); margin: 0 0 18px; max-width: 68ch; }

/* Equipamentos */
.equip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 32px; }
.equip-card { border: 1px solid var(--nevoa); border-radius: var(--raio); overflow: hidden; display: flex; flex-direction: column; background: var(--branco); }
.equip-card img, .equip-ico { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.equip-ico { display: grid; place-items: center; background: var(--papel); color: var(--azul); }
.equip-ico svg { width: 96px; height: 96px; }
.equip-txt { padding: 20px 22px 24px; }
.equip-sub { font-weight: 600; color: var(--azul); margin-bottom: 8px; }
.equip-txt p:last-child { color: var(--ardosia); margin: 0; }

/* Chamada final */
.cta-final { background: var(--sol); color: var(--noite); }
.cta-in { display: flex; justify-content: space-between; align-items: center; gap: 24px 40px; flex-wrap: wrap; padding-block: clamp(40px, 6vw, 64px); }
.cta-in h2 { margin-bottom: 0.3em; }
.cta-in p { margin: 0; max-width: 56ch; }
.cta-btns { display: flex; gap: 12px; flex-wrap: wrap; }

/* Formulário */
.contato-grade { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.form { background: var(--branco); border: 1px solid var(--nevoa); border-radius: var(--raio); padding: clamp(20px, 4vw, 36px); }
.campos { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 12px; }
.campo { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.campo-larg { grid-column: 1 / -1; }
.campo label { font-weight: 600; font-size: 0.95rem; }
.campo input, .campo select, .campo textarea { font: inherit; color: var(--tinta); border: 1px solid var(--nevoa); border-radius: 6px; padding: 12px 14px; background: var(--branco); width: 100%; }
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: 3px solid rgba(242, 159, 5, 0.45); border-color: var(--sol); }
.campo-check { flex-direction: row; align-items: flex-start; gap: 10px; }
.campo-check input { width: 20px; height: 20px; margin-top: 3px; flex: none; accent-color: var(--azul); }
.campo-check label { font-weight: 400; }
.escondido { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-aviso { border-radius: 6px; padding: 12px 16px; margin-bottom: 18px; background: #FDECEC; color: #8A1C1C; border: 1px solid #F3B8B8; }
.contato-lado { display: grid; gap: 14px; }
.contato-item { display: flex; gap: 14px; align-items: flex-start; padding: 18px 20px; border: 1px solid var(--nevoa); border-radius: var(--raio); background: var(--papel); color: var(--tinta); text-decoration: none; }
.contato-item svg { color: #1FA855; flex: none; margin-top: 2px; }
.contato-item strong { display: block; color: var(--noite); }
.selecionavel { user-select: all; overflow-wrap: anywhere; }

/* Texto corrido */
.texto h2 { font-size: 1.35rem; margin-top: 1.6em; }
.texto p { max-width: 68ch; }

/* Rodapé */
.rodape { background: var(--noite); color: #C9CDE3; }
.rodape-in { max-width: 1180px; margin: 0 auto; padding: 56px 20px 32px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.rodape-marca img { width: 250px; height: auto; margin-bottom: 18px; }
.rodape-marca p { max-width: 42ch; font-size: 0.98rem; }
.rodape-tit { font-weight: 600; font-size: 0.8rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--areia); }
.rodape ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.rodape a { color: #E6E8F2; text-decoration: none; }
.rodape a:hover { color: var(--sol); }
.redes { display: flex; gap: 14px; }
.redes a { display: inline-grid; place-items: center; width: 40px; height: 40px; border: 1px solid rgba(255,255,255,0.25); border-radius: 50%; }
.rodape-base { max-width: 1180px; margin: 0 auto; padding: 18px 20px 96px; border-top: 1px solid rgba(255,255,255,0.12); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 0.9rem; }
.rodape-base p { margin: 0; }

/* Botão flutuante de WhatsApp */
.wa-flutua { position: fixed; right: 18px; bottom: calc(18px + env(safe-area-inset-bottom, 0px)); z-index: 60; display: inline-flex; align-items: center; gap: 8px; background: #1FA855; color: #fff; text-decoration: none; font-weight: 600; padding: 12px 18px; border-radius: 999px; box-shadow: 0 8px 24px rgba(0,0,0,0.25); }
.wa-flutua:hover { background: #178A45; color: #fff; }

/* Telas menores */
@media (max-width: 1020px) {
  .menu-btn { display: inline-flex; }
  .menu { position: absolute; top: 100%; left: 0; right: 0; background: var(--branco); border-bottom: 1px solid var(--nevoa); box-shadow: var(--sombra); flex-direction: column; align-items: stretch; gap: 16px; padding: 12px 20px 24px; display: none; max-height: calc(100vh - 72px); overflow-y: auto; }
  .menu-aberto .menu { display: flex; }
  .menu-lista { flex-direction: column; gap: 0; }
  .menu-lista > li { border-bottom: 1px solid var(--papel); }
  .menu-lista a { padding: 12px 0; display: block; }
  .tem-sub > a::after { display: none; }
  .sub { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 8px 14px; min-width: 0; }
  .sub a { padding: 8px 0; font-size: 0.98rem; }
  .menu .btn { width: 100%; }
  .cards, .galeria, .equip { grid-template-columns: repeat(2, 1fr); }
  .etapas { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  body { font-size: 1rem; }
  .marca img { height: 38px; }
  .menu-txt { display: none; }
  .hero::after, .pag-hero::after { background: linear-gradient(180deg, rgba(12,20,64,0.80) 0%, rgba(12,20,64,0.88) 60%, rgba(12,20,64,0.95) 100%); }
  .faixa-lista { font-size: 0.72rem; letter-spacing: 0.14em; }
  .eyebrow { letter-spacing: 0.16em; font-size: 0.74rem; }
  .eyebrow::after { flex-basis: 32px; }
  .faixa-lista li:not(:last-child)::after { margin: 0 10px; }
  .duas-col, .contato-grade, .rodape-in { grid-template-columns: 1fr; }
  .cards, .galeria, .equip, .etapas { grid-template-columns: 1fr; }
  .campos { grid-template-columns: 1fr; }
  .ficha li { grid-template-columns: 1fr; gap: 2px; }
  .wa-flutua span { display: none; }
  .wa-flutua { padding: 14px; }
  .btn { width: 100%; }
  .hero-btns .btn, .cta-btns .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}