/* Integra Consultores Associados — identidade: grafite, verde Integra, branco; Poppins */
@font-face { font-family: "Poppins"; font-style: normal; font-weight: 300; font-display: swap; src: url("../fonts/poppins-latin-300-normal.woff2") format("woff2"); }
@font-face { font-family: "Poppins"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/poppins-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Poppins"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/poppins-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Poppins"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/poppins-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Poppins"; font-style: normal; font-weight: 700; font-display: swap; src: url("../fonts/poppins-latin-700-normal.woff2") format("woff2"); }

:root {
  --grafite: #2D2B2B;
  --grafite-2: #242323;
  --grafite-3: #3A3838;
  --verde: #00A99D;
  --verde-texto: #00786F;   /* verde com contraste AA sobre fundo claro */
  --papel: #F6F7F7;
  --nevoa: #E4E8E8;
  --branco: #FFFFFF;
  --texto: #2D2B2B;
  --texto-2: #5B6062;
  --texto-claro: #C9CDCE;

  --max: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --sec: clamp(72px, 10vw, 128px);
  --corte: 6px; /* espessura da linha que corta o logo */
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--papel);
  color: var(--texto);
  font-family: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--verde); outline-offset: 3px; border-radius: 2px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--verde); color: #fff; padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; }

/* ---------- Tipografia ---------- */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.12; margin: 0; letter-spacing: -0.015em; }
h2 { font-size: clamp(30px, 4.2vw, 48px); }
h3 { font-size: clamp(20px, 2vw, 24px); line-height: 1.25; }
p { margin: 0 0 1em; }
.lead { font-weight: 300; font-size: clamp(18px, 1.7vw, 22px); line-height: 1.55; color: var(--texto-2); max-width: 36em; }

/* Título de seção: a "linha Integra" do logotipo, sobre o título */
.titulo {
  position: relative;
  padding-top: 26px;
  margin-bottom: 20px;
  max-width: 14em;
}
.titulo::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 72px;
  height: var(--corte);
  background: var(--verde);
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font: 600 15px/1 "Poppins", sans-serif;
  padding: 16px 24px;
  border-radius: 6px;
  text-decoration: none;
  border: 1.5px solid transparent;
  transition: background-color .2s, color .2s, border-color .2s;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-verde { background: var(--verde); color: #fff; }
.btn-verde:hover { background: #009489; }
.btn-linha { border-color: rgba(255,255,255,.45); color: #fff; }
.btn-linha:hover { border-color: #fff; background: rgba(255,255,255,.06); }
.btn-linha-escura { border-color: var(--grafite); color: var(--grafite); }
.btn-linha-escura:hover { background: var(--grafite); color: #fff; }

/* ---------- Cabeçalho ---------- */
.topo {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background-color .25s, box-shadow .25s;
}
.topo .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.topo .logo img { height: 26px; width: auto; }
.topo .logo .l-grafite { display: none; }
.topo.solido { background: rgba(246,247,247,.96); backdrop-filter: blur(8px); box-shadow: 0 1px 0 var(--nevoa); }
.topo.solido .logo .l-branco { display: none; }
.topo.solido .logo .l-grafite { display: block; }
.menu { display: flex; align-items: center; gap: 28px; }
.menu a { text-decoration: none; font-size: 14.5px; font-weight: 500; color: #fff; opacity: .88; }
.menu a:hover { opacity: 1; }
.topo.solido .menu a { color: var(--grafite); }
.menu .btn { padding: 11px 18px; font-size: 14px; opacity: 1; color: #fff !important; }
.menu-toggle { display: none; background: none; border: 0; padding: 8px; color: #fff; cursor: pointer; }
.topo.solido .menu-toggle { color: var(--grafite); }
.menu-toggle svg { width: 28px; height: 28px; }

@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .menu {
    position: fixed; inset: 72px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--grafite); padding: 8px var(--gutter) 24px;
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: opacity .2s, transform .2s, visibility .2s;
  }
  .menu.aberto { opacity: 1; transform: none; visibility: visible; }
  .menu a, .topo.solido .menu a { color: #fff; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.1); font-size: 16px; }
  .menu .btn { margin-top: 16px; justify-content: center; border-bottom: 0; padding: 14px; }
}

/* ---------- Hero ---------- */
.hero {
  background: var(--grafite);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: calc(72px + clamp(64px, 11vw, 140px)) 0 0;
}
/* sombra geométrica derivada dos cortes diagonais do logotipo */
.hero::before {
  content: "";
  position: absolute; right: -6vw; top: 0; bottom: 0; width: 46vw;
  background: var(--grafite-2);
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.hero .wrap { position: relative; }
.hero h1 {
  position: relative;
  font-size: clamp(40px, 6.6vw, 88px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  max-width: 14.5em;
  margin-bottom: 32px;
}
.hero h1 .linha { position: relative; }
/* a linha que corta o título, como no logotipo */
.corte {
  position: absolute;
  left: calc(-1 * var(--gutter) - 50vw);
  width: calc(50vw + 72%);
  top: -0.32em;
  height: var(--corte);
  background: var(--verde);
  transform-origin: left center;
  animation: corta 1.1s cubic-bezier(.7,0,.2,1) .25s both;
}
@keyframes corta { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@media (prefers-reduced-motion: reduce) { .corte { animation: none; } }

.hero .lead { color: var(--texto-claro); margin-bottom: 40px; max-width: 40em; }
.hero-acoes { display: flex; flex-wrap: wrap; gap: 14px; }

.credenciais {
  position: relative;
  margin-top: clamp(64px, 9vw, 112px);
  border-top: 1px solid rgba(255,255,255,.14);
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.credenciais div { padding: 28px 24px 36px 0; }
.credenciais div + div { padding-left: 24px; border-left: 1px solid rgba(255,255,255,.14); }
.credenciais strong { display: block; font-weight: 300; font-size: clamp(28px, 3.2vw, 42px); line-height: 1.1; letter-spacing: -0.02em; }
.credenciais span { display: block; margin-top: 8px; font-size: 14px; color: var(--texto-claro); line-height: 1.45; }
@media (max-width: 760px) {
  .credenciais { grid-template-columns: 1fr 1fr; }
  .credenciais div:nth-child(3) { padding-left: 0; border-left: 0; }
  .credenciais div:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.14); }
}

/* ---------- Seções ---------- */
.secao { padding: var(--sec) 0; }
.secao.branco { background: var(--branco); }
.escuro { background: var(--grafite); color: #fff; }
.escuro .lead { color: var(--texto-claro); }

.cabeca { display: grid; grid-template-columns: 5fr 7fr; gap: 24px 64px; align-items: end; margin-bottom: clamp(40px, 6vw, 72px); }
.cabeca .lead { margin: 0; }
@media (max-width: 860px) { .cabeca { grid-template-columns: 1fr; } }

/* Clientes (faixa de nomes) */
.clientes { background: var(--branco); border-bottom: 1px solid var(--nevoa); padding: 40px 0; }
.clientes .wrap { display: grid; grid-template-columns: 200px 1fr; gap: 16px 40px; align-items: baseline; }
.clientes p { margin: 0; font-size: 14px; color: var(--texto-2); }
.clientes ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px 32px; }
.clientes li { font-weight: 600; font-size: 15px; color: var(--grafite); white-space: nowrap; }
@media (max-width: 760px) { .clientes .wrap { grid-template-columns: 1fr; } }

/* Sobre */
.sobre-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 64px; }
.sobre-grid .texto p { max-width: 36em; }
.mvv { border-top: 2px solid var(--grafite); }
.mvv div { padding: 22px 0; border-bottom: 1px solid var(--nevoa); }
.mvv h3 { font-size: 17px; margin-bottom: 6px; }
.mvv p { margin: 0; color: var(--texto-2); font-size: 15.5px; }
@media (max-width: 860px) { .sobre-grid { grid-template-columns: 1fr; gap: 40px; } }

/* Áreas de atuação */
.frentes { display: grid; grid-template-columns: 1fr 1fr; gap: 0 64px; }
.frente > h3 { font-size: 15px; font-weight: 600; color: var(--verde-texto); margin-bottom: 8px; }
.frente > p { color: var(--texto-2); font-size: 15.5px; max-width: 32em; }
.area { padding: 24px 0; border-top: 1px solid var(--nevoa); }
.area:first-of-type { border-top: 2px solid var(--grafite); }
.area h4 { font-size: 19px; margin-bottom: 6px; line-height: 1.3; }
.area p { margin: 0; color: var(--texto-2); font-size: 15.5px; }
.area a { color: var(--verde-texto); font-weight: 600; text-underline-offset: 3px; }
@media (max-width: 860px) { .frentes { grid-template-columns: 1fr; gap: 56px; } }

/* Método */
.metodo { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); counter-reset: etapa; }
.metodo li { counter-increment: etapa; padding: 0 28px 0 0; position: relative; }
.metodo li::before {
  content: counter(etapa);
  display: block; font-weight: 300; font-size: 56px; line-height: 1; color: var(--verde); margin-bottom: 20px;
}
.metodo li::after { content: ""; position: absolute; left: 0; right: 0; top: 76px; height: 1px; background: rgba(255,255,255,.18); }
.metodo h3 { font-size: 19px; margin: 36px 0 10px; }
.metodo p { color: var(--texto-claro); font-size: 15.5px; margin: 0; }
@media (max-width: 860px) {
  .metodo { grid-template-columns: 1fr 1fr; gap: 48px 0; }
}
@media (max-width: 520px) { .metodo { grid-template-columns: 1fr; } }

/* Projetos */
.filtros { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.filtros button {
  font: 500 14px/1 "Poppins", sans-serif;
  padding: 10px 16px; border-radius: 40px;
  border: 1.5px solid var(--nevoa); background: var(--branco); color: var(--grafite);
  cursor: pointer; transition: background-color .15s, border-color .15s, color .15s;
}
.filtros button:hover { border-color: var(--grafite); }
.filtros button[aria-pressed="true"] { background: var(--grafite); border-color: var(--grafite); color: #fff; }

.projetos { border-top: 2px solid var(--grafite); }
.projeto { border-bottom: 1px solid var(--nevoa); }
.projeto[hidden] { display: none; }
.projeto summary {
  list-style: none; cursor: pointer;
  display: grid; grid-template-columns: 120px 260px 1fr 28px; gap: 8px 32px; align-items: baseline;
  padding: 22px 0;
}
.projeto summary::-webkit-details-marker { display: none; }
.projeto .ano { font-size: 14px; color: var(--texto-2); font-variant-numeric: tabular-nums; }
.projeto .cliente { font-weight: 600; font-size: 15.5px; line-height: 1.4; }
.projeto .titulo-proj { font-size: 16.5px; line-height: 1.45; }
.projeto .mais { position: relative; width: 16px; height: 16px; align-self: center; justify-self: end; }
.projeto .mais::before, .projeto .mais::after { content: ""; position: absolute; left: 0; right: 0; top: 7px; height: 2px; background: var(--grafite); transition: transform .2s; }
.projeto .mais::after { transform: rotate(90deg); }
.projeto[open] .mais::after { transform: rotate(0); }
.projeto summary:hover .titulo-proj { color: var(--verde-texto); }
.projeto .detalhe { display: grid; grid-template-columns: 120px 260px 1fr 28px; gap: 0 32px; padding: 0 0 26px; }
.projeto .detalhe > div { grid-column: 3; }
.projeto .detalhe p { color: var(--texto-2); font-size: 15.5px; margin: 0 0 10px; max-width: 46em; }
.tag { display: inline-block; font-size: 12.5px; font-weight: 500; color: var(--verde-texto); border: 1px solid currentColor; border-radius: 40px; padding: 3px 10px; }
.nota { font-size: 14px; color: var(--texto-2); margin-top: 24px; max-width: 52em; }
@media (max-width: 900px) {
  .projeto summary { grid-template-columns: 1fr 24px; gap: 4px 16px; }
  .projeto .ano { grid-column: 1; }
  .projeto .cliente { grid-column: 1; }
  .projeto .titulo-proj { grid-column: 1; }
  .projeto .mais { grid-column: 2; grid-row: 1 / span 3; }
  .projeto .detalhe { grid-template-columns: 1fr; }
  .projeto .detalhe > div { grid-column: 1; }
}

/* Equipe */
.equipe { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.socio { display: grid; grid-template-columns: 200px 1fr; gap: 28px; align-items: start; }
.socio img { aspect-ratio: 4 / 5; object-fit: cover; border-radius: 4px; background: var(--nevoa); }
.socio h3 { font-size: 24px; margin-bottom: 4px; }
.socio .cargo { font-weight: 300; color: var(--texto-2); margin-bottom: 16px; }
.socio ul { margin: 0; padding: 0; list-style: none; }
.socio li { font-size: 15px; color: var(--texto-2); padding: 7px 0; border-top: 1px solid var(--nevoa); line-height: 1.5; }
.socio a { color: var(--verde-texto); font-weight: 600; font-size: 14.5px; text-underline-offset: 3px; }
.socio .links { margin-top: 14px; display: flex; gap: 18px; flex-wrap: wrap; }
@media (max-width: 1040px) { .equipe { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .socio { grid-template-columns: 1fr; } .socio img { max-width: 240px; } }

/* Publicações */
.pubs { list-style: none; padding: 0; margin: 0; border-top: 2px solid var(--grafite); }
.pubs li { display: grid; grid-template-columns: 80px 1fr; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--nevoa); }
.pubs .ano { font-size: 14px; color: var(--texto-2); padding-top: 2px; }
.pubs .t { font-weight: 600; line-height: 1.45; }
.pubs .ref { font-size: 14.5px; color: var(--texto-2); margin-top: 4px; }
.pubs .ref em { font-style: italic; }
.pubs-rodape { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
@media (max-width: 560px) { .pubs li { grid-template-columns: 1fr; gap: 4px; } }

/* Calculadora */
.calc { display: grid; grid-template-columns: 1fr auto; gap: 24px 48px; align-items: center; padding: 40px clamp(24px, 4vw, 48px); background: var(--branco); border-left: var(--corte) solid var(--verde); }
.calc h3 { margin-bottom: 8px; }
.calc p { margin: 0; color: var(--texto-2); max-width: 40em; }
@media (max-width: 760px) { .calc { grid-template-columns: 1fr; } }

/* Contato */
.contato .wrap { display: grid; grid-template-columns: 7fr 5fr; gap: 48px 64px; align-items: end; }
.contato h2 { font-size: clamp(32px, 4.6vw, 56px); }
.contato .canais { display: grid; gap: 12px; }
.canal { display: flex; align-items: center; gap: 16px; padding: 18px 20px; border: 1px solid rgba(255,255,255,.18); border-radius: 6px; text-decoration: none; transition: border-color .2s, background-color .2s; }
.canal:hover { border-color: var(--verde); background: rgba(0,169,157,.08); }
.canal svg { width: 24px; height: 24px; flex: none; color: var(--verde); }
.canal small { display: block; font-size: 13px; color: var(--texto-claro); }
.canal span { font-weight: 600; overflow-wrap: anywhere; }
.garantias { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 8px 28px; font-size: 14.5px; color: var(--texto-claro); }
.garantias li::before { content: ""; display: inline-block; width: 14px; height: 3px; background: var(--verde); vertical-align: middle; margin-right: 10px; }
@media (max-width: 860px) { .contato .wrap { grid-template-columns: 1fr; } }

/* Rodapé */
.rodape { background: var(--grafite-2); color: var(--texto-claro); padding: 48px 0 40px; font-size: 14px; }
.rodape .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; align-items: flex-end; }
.rodape img { height: 56px; width: auto; margin-bottom: 16px; }
.rodape p { margin: 0; }
.rodape a { color: #fff; text-decoration: none; }
.rodape a:hover { color: var(--verde); }