:root {
  --navy: #0F2A47;
  --navy-2: #163659;
  --linha-escura: #2A4A6B;
  --creme: #F7F6F2;
  --branco: #FFFFFF;
  --ouro: #E9A23B;
  --ouro-escuro: #B8730A;
  --ouro-claro: #F4E4CB;
  --ouro-texto: #8A5206;
  --texto: #4A5563;
  --azul-claro: #BFD0DA;
  --cinza: #8FA3B3;
  --borda: #DADFE3;
  --whats: #1FA855;
  --raio: 16px;
  --titulo: 'Sora', Arial, sans-serif;
  --corpo: 'IBM Plex Sans', Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--creme);
  color: var(--navy);
  font-family: var(--corpo);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
}
h1, h2, h3 { font-family: var(--titulo); margin: 0; line-height: 1.15; }
h1 { font-size: clamp(36px, 7vw, 72px); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(28px, 4.4vw, 46px); font-weight: 600; letter-spacing: -0.01em; margin-bottom: 20px; }
h3 { font-size: 20px; font-weight: 600; margin-bottom: 8px; }
p { margin: 0 0 16px; }
a { color: inherit; }
img, svg { display: block; }

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 768px) { .wrap { padding: 0 32px; } }

.selo {
  font-size: 13px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ouro-escuro); margin-bottom: 14px;
}
.escuro .selo { color: var(--ouro); }

/* Botões */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 12px 26px; border-radius: 999px; border: 2px solid var(--ouro);
  background: var(--ouro); color: var(--navy); font: 600 16px var(--corpo);
  text-decoration: none; cursor: pointer; transition: background .2s, transform .2s;
}
.btn:hover { background: #F1B354; transform: translateY(-1px); }
.btn-sm { min-height: 40px; padding: 8px 18px; font-size: 15px; }
.btn-contorno { background: transparent; color: var(--creme); border-color: rgba(247,246,242,.4); }
.btn-contorno:hover { background: rgba(247,246,242,.08); }
.btn-whats { background: var(--whats); border-color: var(--whats); color: #fff; }
.btn-whats:hover { background: #22B95E; }
.btn svg { width: 22px; height: 22px; }

/* Topo */
.topo {
  position: sticky; top: 0; z-index: 50;
  background: rgba(15,42,71,.96); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--linha-escura);
}
.topo-in { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.marca { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--creme); font-family: var(--titulo); font-size: 18px; font-weight: 700; }
.marca b { font-weight: 500; color: var(--azul-claro); }
.marca-logo { width: 30px; height: 32px; color: var(--creme); }

.menu-btn { display: flex; flex-direction: column; gap: 5px; background: none; border: 0; padding: 12px; margin-right: -12px; cursor: pointer; }
.menu-btn span { width: 24px; height: 2px; background: var(--creme); transition: transform .25s, opacity .25s; }
.menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.menu {
  position: absolute; top: 64px; left: 0; right: 0;
  display: none; flex-direction: column; gap: 4px;
  padding: 12px 16px 20px; background: var(--navy); border-bottom: 1px solid var(--linha-escura);
}
.menu.aberto { display: flex; }
.menu a { color: var(--creme); text-decoration: none; padding: 12px 4px; font-weight: 500; }
.menu a.btn { color: var(--navy); margin-top: 8px; }

@media (min-width: 900px) {
  .menu-btn { display: none; }
  .menu { position: static; display: flex; flex-direction: row; align-items: center; gap: 28px; padding: 0; background: none; border: 0; }
  .menu a { padding: 0; font-size: 15px; color: var(--azul-claro); }
  .menu a:hover { color: var(--creme); }
  .menu a.btn { margin: 0; color: var(--navy); }
}

/* Seções */
.secao { padding: 72px 0; }
@media (min-width: 900px) { .secao { padding: 112px 0; } }
.alt { background: #EFEDE6; }
.escuro { background: var(--navy); color: var(--creme); }
.escuro p { color: var(--azul-claro); }
.estreito { max-width: 820px; margin-bottom: 40px; }
.intro { max-width: 820px; font-size: 18px; color: var(--texto); margin-bottom: 40px; }

/* Hero */
.hero {
  padding: 72px 0 64px;
  background:
    linear-gradient(180deg, rgba(15,42,71,.86) 0%, rgba(15,42,71,.80) 55%, rgba(15,42,71,.97) 100%),
    url("https://images.unsplash.com/photo-1748063578185-3d68121b11ff?auto=format&fit=crop&q=70&w=900") center / cover no-repeat,
    var(--navy);
}
@media (min-width: 900px) {
  .hero {
    background:
      linear-gradient(90deg, rgba(15,42,71,.96) 0%, rgba(15,42,71,.82) 50%, rgba(15,42,71,.45) 100%),
      url("https://images.unsplash.com/photo-1748063578185-3d68121b11ff?auto=format&fit=crop&q=70&w=1920") center / cover no-repeat,
      var(--navy);
  }
}
@media (min-width: 900px) { .hero { padding: 128px 0 96px; } }
.hero h1 { max-width: 920px; margin-bottom: 24px; }
.lead { font-size: clamp(18px, 2.2vw, 22px); line-height: 1.5; max-width: 720px; }
.acoes { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0 56px; }
.acoes .btn { flex: 1 1 220px; }
@media (min-width: 600px) { .acoes .btn { flex: 0 0 auto; } }
.hero-fatos { list-style: none; margin: 0; padding: 28px 0 0; border-top: 1px solid var(--linha-escura); display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.hero-fatos b { display: block; font-family: var(--titulo); font-size: clamp(18px, 3vw, 26px); color: var(--ouro); }
.hero-fatos span { font-size: 14px; color: var(--cinza); line-height: 1.35; display: block; }

/* Layouts */
.duas-col { display: grid; gap: 40px; }
@media (min-width: 900px) { .duas-col { grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; } }
.duas-col > div > p { color: var(--texto); }
.escuro .duas-col > div > p { color: var(--azul-claro); }

.grade-2, .grade-3, .grade-4 { display: grid; gap: 16px; }
@media (min-width: 600px) { .grade-2, .grade-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) {
  .grade-3 { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .grade-4 { grid-template-columns: repeat(4, 1fr); gap: 24px; }
  .grade-2 { gap: 24px; }
}
.pilha { display: grid; gap: 16px; }

.cartao {
  background: var(--branco); border: 1px solid var(--borda); border-radius: var(--raio);
  padding: 24px; display: flex; flex-direction: column;
}
@media (min-width: 900px) { .cartao { padding: 32px; } }
.cartao p { color: var(--texto); margin: 0; }
.cartao.linha { flex-direction: row; gap: 18px; align-items: flex-start; }
.ic {
  flex: 0 0 40px; height: 40px; border-radius: 10px; background: var(--ouro-claro); color: var(--ouro-escuro);
  display: grid; place-items: center; font-weight: 700; font-size: 18px;
}
.num { font-family: var(--titulo); font-size: 14px; font-weight: 600; color: var(--ouro-escuro); margin-bottom: 20px; letter-spacing: .1em; }
.cartao.destaque { background: var(--navy); border-color: var(--navy); }
.cartao.destaque h3 { color: var(--creme); }
.cartao.destaque p { color: var(--azul-claro); }
.cartao.destaque .num, .cartao.destaque .link { color: var(--ouro); }
.link { margin-top: 16px; font-weight: 600; text-decoration: none; }

/* Desafio */
.desafio {
  background:
    linear-gradient(180deg, rgba(15,42,71,.93), rgba(15,42,71,.97)),
    url("https://images.unsplash.com/photo-1768677903496-becc4be07258?auto=format&fit=crop&q=60&w=1400") center / cover no-repeat,
    var(--navy);
}
.grande { font-size: clamp(30px, 5vw, 56px); max-width: 960px; margin-bottom: 48px; }
.riscos > div { border-top: 1px solid var(--linha-escura); padding-top: 24px; }
.ic-risco { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; border: 1.5px solid var(--ouro); color: var(--ouro); font-weight: 700; margin-bottom: 14px; }
.riscos p { font-size: 18px; margin: 0; }

/* Fotos */
.foto { margin: 28px 0 0; border-radius: var(--raio); overflow: hidden; background: #DCD8CD; aspect-ratio: 3 / 2; }
.foto img { width: 100%; height: 100%; object-fit: cover; }
.foto-escopo { margin: 0; grid-column: 1 / -1; aspect-ratio: 16 / 9; }
@media (min-width: 900px) { .foto-escopo { aspect-ratio: 21 / 8; } }

/* Escopo */
.escopo { margin-top: 56px; display: grid; gap: 32px; background: var(--branco); border: 1px solid var(--borda); border-radius: 20px; padding: 28px 22px; }
@media (min-width: 900px) { .escopo { grid-template-columns: 5fr 6fr; gap: 64px; padding: 56px; } }
.escopo-txt p { color: var(--texto); }
.h3-grande { font-size: clamp(24px, 3vw, 32px); margin-bottom: 16px; }
.pilula {
  display: inline-block; background: var(--ouro-claro); color: var(--ouro-texto) !important;
  font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  padding: 8px 16px; border-radius: 14px; line-height: 1.4; margin: 8px 0 20px;
}
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.checks li { display: flex; gap: 14px; align-items: flex-start; font-size: 17px; line-height: 1.45; }
.checks svg { flex: 0 0 24px; width: 24px; height: 24px; color: var(--ouro-escuro); margin-top: 1px; }

/* Metodologia */
.etapas { list-style: none; margin: 0; padding: 0; display: grid; gap: 32px; counter-reset: e; }
@media (min-width: 600px) { .etapas { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .etapas { grid-template-columns: repeat(4, 1fr); } }
.etapas li { position: relative; }
.etapas span {
  display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%;
  background: var(--navy); color: var(--creme); font: 700 22px var(--titulo); margin-bottom: 18px;
}
.etapas span.ouro { background: var(--ouro-escuro); }
.etapas p { color: var(--texto); margin: 0; }

.compacta .cartao { padding: 22px; }
.nota { font-size: 15px; color: var(--ouro-texto) !important; font-weight: 500; }

/* Contato */
.contatos { list-style: none; margin: 32px 0 0; padding: 24px 0 0; border-top: 1px solid var(--linha-escura); display: grid; gap: 16px; }
.contatos li { display: flex; gap: 14px; align-items: flex-start; color: var(--azul-claro); line-height: 1.5; }
.contatos svg { flex: 0 0 22px; width: 22px; height: 22px; color: var(--ouro); margin-top: 1px; }
.contatos a { color: var(--creme); text-decoration: none; word-break: break-word; }
.contatos a:hover { text-decoration: underline; }
.contatos address { font-style: normal; }
.form {
  background: var(--branco); color: var(--navy); border-radius: 20px; padding: 24px;
  display: grid; gap: 16px;
}
@media (min-width: 900px) { .form { padding: 36px; } }
.form h3 { font-size: 22px; margin-bottom: 4px; }
.form label { display: grid; gap: 6px; font-size: 15px; font-weight: 500; color: var(--navy); }
.opc { font-weight: 400; color: var(--cinza); }
.form input, .form select, .form textarea {
  width: 100%; font: 400 16px var(--corpo); color: var(--navy);
  padding: 12px 14px; min-height: 48px; border: 1px solid var(--borda); border-radius: 10px; background: #FBFBF9;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--ouro); outline-offset: 1px; border-color: var(--ouro); }
.form textarea { resize: vertical; }
.form .btn { width: 100%; margin-top: 4px; }
.form-erro { color: #B3261E !important; font-size: 14px; margin: 0; }

/* Rodapé */
.rodape { background: #0A1F36; color: var(--cinza); padding: 40px 0 96px; font-size: 14px; }
.rodape-in { display: grid; gap: 10px; }
@media (min-width: 900px) { .rodape { padding-bottom: 40px; } .rodape-in { grid-template-columns: auto 1fr auto; align-items: center; gap: 32px; } }
.rodape p { margin: 0; line-height: 1.6; }

/* WhatsApp flutuante */
.whats-flutuante {
  position: fixed; right: 16px; bottom: 16px; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%; background: var(--whats); color: #fff;
  display: grid; place-items: center; box-shadow: 0 8px 24px rgba(0,0,0,.25);
}
.whats-flutuante svg { width: 30px; height: 30px; }

:focus-visible { outline: 2px solid var(--ouro); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* Equipe técnica */
.equipe { margin-top: 64px; }
@media (min-width: 900px) { .equipe { margin-top: 88px; } }
.engenheiro { gap: 20px; }
.eng-topo { display: flex; gap: 16px; align-items: center; }
.eng-iniciais {
  flex: 0 0 60px; height: 60px; border-radius: 50%;
  background: var(--navy); color: var(--ouro);
  display: grid; place-items: center; font: 700 20px var(--titulo); letter-spacing: .02em;
}
.engenheiro h3 { margin: 0 0 2px; font-size: 20px; }
.eng-cargo { font-size: 15px; font-weight: 500; color: var(--ouro-texto) !important; }
.eng-lista { list-style: none; margin: 0; padding: 18px 0 0; border-top: 1px solid var(--borda); display: grid; gap: 10px; }
.eng-lista li { position: relative; padding-left: 20px; color: var(--texto); line-height: 1.5; }
.eng-lista li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 7px; height: 7px; border-radius: 50%; background: var(--ouro-escuro); }