:root {
  --papel: #fbfaf8;
  --tinta: #0e0d0c;
  --cinza: #6b665f;
  --linha: #e3dfd8;
  --escuro: #121110;
  --serif: "Instrument Serif", Georgia, "Times New Roman", serif;
  --sans: "Instrument Sans", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --margem: clamp(20px, 5vw, 72px);
  --largura: 1200px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--papel); color: var(--tinta); font: 400 17px/1.6 var(--sans); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

.miolo { max-width: var(--largura); margin: 0 auto; padding: 0 var(--margem); }

/* cabeçalho */
.topo { border-bottom: 1px solid var(--linha); background: var(--papel); }
.topo .miolo { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 76px; }
.marca img { height: 38px; width: auto; filter: invert(1); }
.menu { display: flex; gap: 28px; font-size: 14px; letter-spacing: .02em; }
.menu a { text-decoration: none; color: var(--cinza); }
.menu a:hover, .menu a[aria-current="page"] { color: var(--tinta); }
.menu-celular { display: none; }
.menu-celular summary { cursor: pointer; list-style: none; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; padding: 10px 0; }
.menu-celular summary::-webkit-details-marker { display: none; }
.menu-celular nav { position: absolute; left: 0; right: 0; background: var(--papel); border-bottom: 1px solid var(--linha); padding: 8px var(--margem) 20px; display: grid; gap: 4px; z-index: 10; }
.menu-celular nav a { text-decoration: none; padding: 10px 0; border-top: 1px solid var(--linha); }
@media (max-width: 860px) {
  .menu { display: none; }
  .menu-celular { display: block; }
}

/* tipografia */
.selo { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--cinza); margin: 0 0 18px; }
h1, h2, h3 { font-weight: 400; margin: 0; }
h1 { font: 400 clamp(40px, 6.4vw, 84px)/1.02 var(--serif); letter-spacing: -.01em; }
h2 { font: 400 clamp(32px, 4.2vw, 54px)/1.08 var(--serif); }
h3 { font: 500 18px/1.35 var(--sans); }
.lead { font-size: clamp(18px, 1.6vw, 21px); color: var(--cinza); max-width: 36em; margin: 22px 0 0; }
p { margin: 0 0 1em; }

/* blocos */
.bloco { padding: clamp(64px, 9vw, 128px) 0; }
.bloco + .bloco { border-top: 1px solid var(--linha); }
.escuro { background: var(--escuro); color: #f3f1ed; }
.escuro .selo, .escuro .lead { color: #a7a199; }
.abertura { padding: clamp(56px, 9vw, 120px) 0 clamp(40px, 6vw, 72px); }
.foto-larga { margin-top: clamp(40px, 6vw, 72px); aspect-ratio: 16 / 7; overflow: hidden; }
.foto-larga img { width: 100%; height: 100%; object-fit: cover; }

.botao { display: inline-block; margin-top: 32px; padding: 15px 28px; border: 1px solid currentColor; text-decoration: none; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; }
.botao:hover { background: var(--tinta); color: var(--papel); }
.escuro .botao:hover { background: #f3f1ed; color: var(--escuro); }

.grade-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 48px; }
.grade-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.grade-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin-top: 48px; }
@media (max-width: 900px) { .grade-3, .grade-4 { grid-template-columns: 1fr 1fr; } .grade-2 { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .grade-3, .grade-4 { grid-template-columns: 1fr; } }

.cartao { text-decoration: none; display: block; }
.cartao .foto { aspect-ratio: 4 / 3; overflow: hidden; background: var(--linha); }
.cartao img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s cubic-bezier(.2,.7,.2,1); }
.cartao:hover img { transform: scale(1.03); }
.cartao h3 { margin-top: 18px; }
.cartao span { font-size: 14px; color: var(--cinza); }

.item h3 { margin-bottom: 10px; }
.item p { color: var(--cinza); font-size: 16px; }
.escuro .item p { color: #a7a199; }

.lista { list-style: none; padding: 0; margin: 28px 0 0; border-top: 1px solid var(--linha); }
.lista li { padding: 14px 0; border-bottom: 1px solid var(--linha); }
.etapas { counter-reset: etapa; }
.etapas li { counter-increment: etapa; display: flex; gap: 20px; }
.etapas li::before { content: counter(etapa, decimal-leading-zero); color: var(--cinza); font-variant-numeric: tabular-nums; }

.clientes { display: grid; grid-template-columns: repeat(7, 1fr); gap: 24px; align-items: center; margin-top: 48px; }
.clientes img { opacity: .82; }
@media (max-width: 900px) { .clientes { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 560px) { .clientes { grid-template-columns: repeat(2, 1fr); } }

.texto { max-width: 40em; }
.texto h2 { font-size: clamp(26px, 3vw, 36px); margin: 1.6em 0 .5em; }

/* rodapé */
.rodape { background: var(--escuro); color: #d9d5ce; padding: 72px 0 40px; font-size: 15px; }
.rodape .miolo { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.rodape img { height: 44px; width: auto; margin-bottom: 20px; }
.rodape h4 { font: 500 12px/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: #8f897f; margin: 6px 0 16px; }
.rodape a { text-decoration: none; display: block; padding: 3px 0; }
.rodape a:hover { color: #fff; }
.rodape .final { grid-column: 1 / -1; border-top: 1px solid #2a2826; padding-top: 24px; margin-top: 16px; font-size: 13px; color: #8f897f; }
@media (max-width: 760px) { .rodape .miolo { grid-template-columns: 1fr; } }