/* =========================================================
   EPPM Engenharia — folha de estilos
   Troque as cores da marca nas variáveis abaixo.
   ========================================================= */
:root {
  --cor-escura: #16202b;      /* grafite (fundo de seções escuras) */
  --cor-escura-2: #1f2c3a;
  --cor-destaque: #f2a900;    /* âmbar (botões, detalhes) */
  --cor-destaque-2: #d48f00;
  --cor-apoio: #0e7c7b;       /* verde-petróleo (ícones, links) */
  --cor-texto: #2b3440;
  --cor-texto-suave: #5d6b7a;
  --cor-fundo: #ffffff;
  --cor-fundo-alt: #f4f6f8;
  --cor-borda: #e2e7ec;
  --raio: 14px;
  --sombra: 0 10px 30px rgba(22, 32, 43, .08);
  --largura: 1180px;
  --fonte-titulo: "Barlow", "Segoe UI", sans-serif;
  --fonte-texto: "Inter", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--fonte-texto);
  color: var(--cor-texto);
  background: var(--cor-fundo);
  line-height: 1.65;
  font-size: 16px;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--fonte-titulo); color: var(--cor-escura); line-height: 1.15; }
.container { width: 100%; max-width: var(--largura); margin: 0 auto; padding: 0 20px; }
section { padding: 96px 0; }

/* ---------- Elementos comuns ---------- */
.rotulo {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .8rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--cor-apoio); margin-bottom: 14px;
}
.rotulo::before { content: ""; width: 28px; height: 3px; background: var(--cor-destaque); border-radius: 2px; }
.titulo-secao { font-size: clamp(1.9rem, 3.4vw, 2.7rem); font-weight: 700; margin-bottom: 18px; }
.subtitulo { color: var(--cor-texto-suave); max-width: 640px; font-size: 1.05rem; }
.cabecalho-secao { margin-bottom: 52px; }
.cabecalho-secao.centro { text-align: center; }
.cabecalho-secao.centro .subtitulo { margin: 0 auto; }
.cabecalho-secao.centro .rotulo::after { content: ""; width: 28px; height: 3px; background: var(--cor-destaque); border-radius: 2px; }

.botao {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px; border-radius: 999px; font-weight: 600; font-size: .95rem;
  transition: transform .2s, background .2s, color .2s, border-color .2s;
  border: 2px solid transparent; cursor: pointer;
}
.botao:hover { transform: translateY(-2px); }
.botao-primario { background: var(--cor-destaque); color: var(--cor-escura); }
.botao-primario:hover { background: var(--cor-destaque-2); }
.botao-contorno { border-color: rgba(255,255,255,.4); color: #fff; }
.botao-contorno:hover { border-color: var(--cor-destaque); color: var(--cor-destaque); }

/* ---------- Topo / navegação ---------- */
.topo {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background .3s, box-shadow .3s, padding .3s;
  padding: 18px 0;
}
.topo.rolado { background: var(--cor-escura); box-shadow: 0 6px 20px rgba(0,0,0,.18); padding: 10px 0; }
.topo .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: flex; align-items: center; gap: 10px; color: #fff; }
.logo-marca {
  width: 42px; height: 42px; border-radius: 10px; background: var(--cor-destaque);
  display: grid; place-items: center; color: var(--cor-escura);
  font-family: var(--fonte-titulo); font-weight: 800; font-size: 1.05rem; letter-spacing: -.02em;
}
.logo-texto { font-family: var(--fonte-titulo); font-weight: 700; font-size: 1.25rem; line-height: 1; }
.logo-texto small { display: block; font-weight: 500; font-size: .68rem; letter-spacing: .28em; opacity: .7; margin-top: 4px; }

.menu { display: flex; align-items: center; gap: 30px; list-style: none; }
.menu a { color: rgba(255,255,255,.85); font-weight: 500; font-size: .95rem; position: relative; }
.menu a:not(.botao)::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px;
  background: var(--cor-destaque); transition: width .25s;
}
.menu a:not(.botao):hover { color: #fff; }
.menu a:not(.botao):hover::after { width: 100%; }
.menu .botao { padding: 10px 20px; color: var(--cor-escura); }

.botao-menu { display: none; background: none; border: 0; color: #fff; cursor: pointer; padding: 6px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  background:
    linear-gradient(115deg, rgba(22,32,43,.97) 0%, rgba(22,32,43,.9) 55%, rgba(14,124,123,.75) 100%),
    var(--cor-escura);
  color: #fff; overflow: hidden; padding: 140px 0 100px;
}
/* grade estilo "planta técnica" */
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 60%);
}
.hero .container { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
.hero h1 { color: #fff; font-size: clamp(2.4rem, 5.4vw, 4.1rem); font-weight: 800; margin-bottom: 22px; }
.hero h1 span { color: var(--cor-destaque); }
.hero p { font-size: 1.15rem; color: rgba(255,255,255,.78); max-width: 560px; margin-bottom: 36px; }
.hero .rotulo { color: rgba(255,255,255,.75); }
.hero-acoes { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-painel {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  border-radius: 20px; padding: 32px; backdrop-filter: blur(6px);
}
.hero-painel h3 { color: #fff; font-size: 1.1rem; margin-bottom: 20px; font-weight: 600; }
.disciplinas { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.disciplina {
  display: flex; align-items: center; gap: 10px; padding: 14px;
  background: rgba(255,255,255,.05); border-radius: 12px; font-size: .92rem; font-weight: 500;
}
.disciplina svg { width: 22px; height: 22px; color: var(--cor-destaque); flex-shrink: 0; }
.disciplina:last-child { grid-column: span 2; }

/* ---------- Faixa de números ---------- */
.numeros { background: var(--cor-destaque); padding: 44px 0; }
.numeros .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.numero { text-align: center; color: var(--cor-escura); }
.numero strong { display: block; font-family: var(--fonte-titulo); font-size: 2.6rem; font-weight: 800; line-height: 1; }
.numero span { font-size: .92rem; font-weight: 500; }

/* ---------- Sobre ---------- */
.sobre .container { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.sobre-visual { position: relative; }
.sobre-bloco {
  aspect-ratio: 4 / 5; border-radius: 22px; overflow: hidden; position: relative;
  background: linear-gradient(160deg, var(--cor-escura-2), var(--cor-escura));
}
.sobre-bloco svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.selo-ano {
  position: absolute; right: -18px; bottom: 36px; background: var(--cor-destaque);
  color: var(--cor-escura); border-radius: 18px; padding: 22px 26px; box-shadow: var(--sombra);
  font-family: var(--fonte-titulo);
}
.selo-ano strong { display: block; font-size: 2.4rem; font-weight: 800; line-height: 1; }
.selo-ano span { font-size: .85rem; font-weight: 600; }
.sobre-texto p { margin-bottom: 18px; color: var(--cor-texto-suave); }
.lista-check { list-style: none; display: grid; gap: 12px; margin: 26px 0 32px; }
.lista-check li { display: flex; gap: 12px; align-items: flex-start; font-weight: 500; }
.lista-check svg { width: 22px; height: 22px; color: var(--cor-apoio); flex-shrink: 0; margin-top: 2px; }
.sobre .botao-primario { color: var(--cor-escura); }

/* ---------- Soluções ---------- */
.solucoes { background: var(--cor-fundo-alt); }
.abas { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 44px; }
.aba {
  border: 1px solid var(--cor-borda); background: #fff; color: var(--cor-texto);
  padding: 11px 22px; border-radius: 999px; font: 600 .92rem var(--fonte-texto); cursor: pointer;
  transition: all .2s;
}
.aba:hover { border-color: var(--cor-apoio); color: var(--cor-apoio); }
.aba.ativa { background: var(--cor-escura); border-color: var(--cor-escura); color: #fff; }
.painel { display: none; }
.painel.ativo { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 22px; animation: surgir .4s ease; }
@keyframes surgir { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

.cartao {
  background: #fff; border-radius: var(--raio); padding: 30px 26px; border: 1px solid var(--cor-borda);
  transition: transform .25s, box-shadow .25s, border-color .25s; position: relative; overflow: hidden;
}
.cartao::after {
  content: ""; position: absolute; left: 0; top: 0; height: 4px; width: 0; background: var(--cor-destaque);
  transition: width .3s;
}
.cartao:hover { transform: translateY(-6px); box-shadow: var(--sombra); border-color: transparent; }
.cartao:hover::after { width: 100%; }
.cartao-icone {
  width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
  background: rgba(14,124,123,.1); color: var(--cor-apoio); margin-bottom: 20px;
}
.cartao-icone svg { width: 28px; height: 28px; }
.cartao h3 { font-size: 1.2rem; margin-bottom: 10px; }
.cartao p { color: var(--cor-texto-suave); font-size: .95rem; }

/* ---------- Como trabalhamos ---------- */
.metodo { background: var(--cor-escura); color: #fff; }
.metodo h2, .metodo h3 { color: #fff; }
.metodo .subtitulo { color: rgba(255,255,255,.7); }
.etapas { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; counter-reset: etapa; }
.etapa { position: relative; padding-top: 22px; border-top: 2px solid rgba(255,255,255,.15); }
.etapa::before {
  counter-increment: etapa; content: "0" counter(etapa);
  font-family: var(--fonte-titulo); font-weight: 800; font-size: 2.6rem; color: var(--cor-destaque);
  display: block; line-height: 1; margin-bottom: 14px;
}
.etapa::after {
  content: ""; position: absolute; top: -2px; left: 0; width: 46px; height: 2px; background: var(--cor-destaque);
}
.etapa h3 { font-size: 1.2rem; margin-bottom: 8px; }
.etapa p { color: rgba(255,255,255,.68); font-size: .95rem; }

/* ---------- Diferenciais ---------- */
.diferenciais .container { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: center; }
.barras { display: grid; gap: 26px; margin-top: 10px; }
.barra-topo { display: flex; justify-content: space-between; font-weight: 600; margin-bottom: 8px; }
.barra-trilho { height: 8px; background: var(--cor-fundo-alt); border-radius: 999px; overflow: hidden; }
.barra-preenchimento {
  height: 100%; width: 0; border-radius: 999px;
  background: linear-gradient(90deg, var(--cor-apoio), var(--cor-destaque));
  transition: width 1.4s cubic-bezier(.2,.8,.2,1);
}
.grade-diferenciais { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.diferencial { padding: 26px; border-radius: var(--raio); background: var(--cor-fundo-alt); }
.diferencial svg { width: 32px; height: 32px; color: var(--cor-destaque-2); margin-bottom: 14px; }
.diferencial h3 { font-size: 1.1rem; margin-bottom: 6px; }
.diferencial p { color: var(--cor-texto-suave); font-size: .93rem; }

/* ---------- Missão / Visão / Valores ---------- */
.mvv { background: var(--cor-fundo-alt); }
.mvv-grade { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.mvv-item {
  background: #fff; border-radius: var(--raio); padding: 38px 30px; border-left: 4px solid var(--cor-destaque);
  box-shadow: 0 2px 0 var(--cor-borda);
}
.mvv-item .cartao-icone { background: rgba(242,169,0,.14); color: var(--cor-destaque-2); }
.mvv-item h3 { font-size: 1.35rem; margin-bottom: 12px; }
.mvv-item p { color: var(--cor-texto-suave); }
.mvv-item ul { list-style: none; display: grid; gap: 8px; color: var(--cor-texto-suave); }
.mvv-item li::before { content: "▸"; color: var(--cor-apoio); margin-right: 8px; }

/* ---------- Chamada ---------- */
.chamada { padding: 0; }
.chamada-caixa {
  background: linear-gradient(120deg, var(--cor-apoio), #0a5c5b);
  border-radius: 24px; padding: 56px 60px; color: #fff;
  display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap;
  transform: translateY(60px); position: relative; z-index: 2; box-shadow: var(--sombra);
}
.chamada-caixa h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 8px; }
.chamada-caixa p { color: rgba(255,255,255,.82); }

/* ---------- Contato ---------- */
.contato { background: var(--cor-escura); color: #fff; padding-top: 160px; }
.contato h2 { color: #fff; }
.contato .subtitulo { color: rgba(255,255,255,.7); }
.contato .container { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; }
.dados-contato { list-style: none; display: grid; gap: 20px; margin-top: 34px; }
.dados-contato li { display: flex; gap: 16px; align-items: center; }
.dados-contato .cartao-icone { margin: 0; background: rgba(255,255,255,.07); color: var(--cor-destaque); width: 48px; height: 48px; }
.dados-contato small { display: block; color: rgba(255,255,255,.55); font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; }
.dados-contato a:hover { color: var(--cor-destaque); }

.formulario { background: #fff; border-radius: 20px; padding: 38px; color: var(--cor-texto); }
.formulario h3 { margin-bottom: 22px; font-size: 1.4rem; }
.campos { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.campo { display: grid; gap: 6px; }
.campo.inteiro { grid-column: span 2; }
.campo label { font-size: .85rem; font-weight: 600; }
.campo input, .campo select, .campo textarea {
  width: 100%; padding: 13px 14px; border: 1px solid var(--cor-borda); border-radius: 10px;
  font: inherit; font-size: .95rem; background: var(--cor-fundo-alt); transition: border-color .2s, background .2s;
}
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: none; border-color: var(--cor-apoio); background: #fff; }
.campo textarea { resize: vertical; min-height: 110px; }
.formulario .botao { margin-top: 20px; width: 100%; justify-content: center; border: 0; font-family: inherit; }

/* ---------- Rodapé ---------- */
.rodape { background: #0f1720; color: rgba(255,255,255,.6); padding: 56px 0 26px; font-size: .92rem; }
.rodape-grade { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.rodape h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.rodape ul { list-style: none; display: grid; gap: 9px; }
.rodape a:hover { color: var(--cor-destaque); }
.rodape .logo { margin-bottom: 16px; }
.redes { display: flex; gap: 10px; margin-top: 18px; }
.redes a {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: rgba(255,255,255,.07); color: #fff; transition: background .2s, color .2s;
}
.redes a:hover { background: var(--cor-destaque); color: var(--cor-escura); }
.redes svg { width: 18px; height: 18px; }
.rodape-base { border-top: 1px solid rgba(255,255,255,.08); padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ---------- WhatsApp flutuante ---------- */
.whats {
  position: fixed; right: 22px; bottom: 22px; z-index: 60; width: 58px; height: 58px; border-radius: 50%;
  background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 8px 24px rgba(0,0,0,.25);
  transition: transform .2s;
}
.whats:hover { transform: scale(1.08); }
.whats svg { width: 30px; height: 30px; }

/* ---------- Animação de entrada ---------- */
.revelar { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.revelar.visivel { opacity: 1; transform: none; }

/* ---------- Responsivo ---------- */
@media (max-width: 980px) {
  section { padding: 76px 0; }
  .hero .container, .sobre .container, .diferenciais .container, .contato .container { grid-template-columns: 1fr; gap: 44px; }
  .etapas { grid-template-columns: 1fr 1fr; }
  .mvv-grade { grid-template-columns: 1fr; }
  .rodape-grade { grid-template-columns: 1fr 1fr; }
  .selo-ano { right: 16px; }
  .sobre-bloco { aspect-ratio: 16 / 10; }

  .botao-menu { display: block; }
  .menu {
    position: fixed; top: 0; right: 0; height: 100vh; width: min(300px, 82vw);
    flex-direction: column; align-items: flex-start; gap: 22px; padding: 90px 30px;
    background: var(--cor-escura); transform: translateX(100%); transition: transform .3s;
    box-shadow: -10px 0 30px rgba(0,0,0,.3);
  }
  .menu.aberto { transform: none; }
  .botao-menu { position: relative; z-index: 2; }
}
@media (max-width: 640px) {
  .numeros .container { grid-template-columns: 1fr 1fr; row-gap: 28px; }
  .etapas, .grade-diferenciais, .campos, .rodape-grade { grid-template-columns: 1fr; }
  .campo.inteiro { grid-column: auto; }
  .disciplinas { grid-template-columns: 1fr; }
  .disciplina:last-child { grid-column: auto; }
  .chamada-caixa { padding: 38px 26px; }
  .formulario { padding: 26px 20px; }
  .hero-painel { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .revelar { opacity: 1; transform: none; transition: none; }
}