/* Higor de Oliveira Arquitetura — landing page
   Identidade: cinza, preto, branco; laranja só como destaque. Grade ortogonal com linhas finas (perfil técnico). */
@font-face { font-family: 'Anton'; src: url('fonts/Anton-Regular.ttf'); font-display: swap; }
:root {
  --cinza: #e4e3e0; --linha: #c4c3bf; --preto: #1c1c1c; --texto: #333; --lar: #E85D1A; --max: 1200px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif; color: var(--texto); background: var(--cinza);
       line-height: 1.6; font-size: 17px; overflow-x: hidden; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.t { font-family: 'Anton', Impact, sans-serif; text-transform: uppercase; line-height: .98; color: var(--preto); letter-spacing: .5px; overflow-wrap: break-word; }
.lar { color: var(--lar); }
.caixa { background: var(--lar); color: #fff; padding: 0 12px 4px; border-radius: 8px; display: inline-block; }
.cota { font-family: 'Consolas', 'Courier New', monospace; font-size: 16px; letter-spacing: 2px; text-transform: uppercase; color: #777; }
.cota b { color: var(--lar); font-weight: 600; }
h1.t { font-size: clamp(52px, 8vw, 112px); }
h2.t { font-size: clamp(38px, 5vw, 66px); }
h3.t { font-size: 26px; }
.lead { font-size: 20px; max-width: 600px; color: #2a2a2a; }

/* topo: só logo e WhatsApp */
header { position: sticky; top: 0; z-index: 30; background: rgba(228,227,224,.94); backdrop-filter: blur(6px); border-bottom: 1px solid var(--linha); }
header .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
header img { height: 48px; }

/* botão WhatsApp (único tipo de botão do site) */
.bt { display: inline-flex; align-items: center; gap: 12px; background: var(--lar); color: #fff; text-decoration: none;
      font-family: 'Anton', Impact, sans-serif; text-transform: uppercase; font-size: 22px; letter-spacing: .5px;
      padding: 16px 30px; border-radius: 12px; box-shadow: 0 10px 24px rgba(232,93,26,.28); transition: transform .15s, box-shadow .15s; }
.bt:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(232,93,26,.36); }
.bt svg { width: 24px; height: 24px; fill: #fff; flex: none; }
header .bt { font-size: 16px; padding: 10px 18px; box-shadow: none; }
.bt-nota { font-size: 14px; color: #666; margin-top: 12px; }

/* grade ortogonal: células com linhas finas compartilhadas */
.grade { display: grid; border-top: 1px solid var(--linha); border-left: 1px solid var(--linha); }
.grade > * { border-right: 1px solid var(--linha); border-bottom: 1px solid var(--linha); padding: 34px; min-width: 0; }

/* hero */
.hero { position: relative; }
.hero .grade { grid-template-columns: 7fr 5fr; }
.hero .txt { padding: 70px 48px 64px 40px; display: flex; flex-direction: column; justify-content: center; gap: 26px; position: relative; }
.hero .foto { padding: 0; overflow: hidden; position: relative; min-height: 640px; }
.hero .foto img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 20%; }
.marca-canto { position: absolute; width: 14px; height: 14px; border-color: var(--lar); border-style: solid; }
.pontos { position: absolute; width: 96px; height: 96px; opacity: .75;
          background-image: radial-gradient(var(--lar) 2.2px, transparent 2.6px); background-size: 16px 16px; }

section { padding: 90px 0; }
.cab { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 40px; flex-wrap: wrap; }

/* ofertas */
.ofertas .grade { grid-template-columns: 1fr 1fr; background: #f4f3f1; }
.oferta { display: flex; flex-direction: column; gap: 16px; }
.oferta img { aspect-ratio: 16/10; object-fit: cover; width: 100%; border-radius: 4px; }

/* processo com ícones que aparecem no scroll */
.processo { background: #151515; color: #cfcfcf; }
.processo .t { color: #fff; }
.processo .grade { grid-template-columns: repeat(4, 1fr); border-color: #333; }
.processo .grade > * { border-color: #333; }
.icone { width: 74px; height: 74px; margin-bottom: 22px; }
.icone svg { width: 100%; height: 100%; fill: none; stroke: var(--lar); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.passo > b { display: block; color: #fff; font-size: 18px; margin: 6px 0 6px; }
.processo .cota { color: #888; }

/* revelar ao rolar */
.rev { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.rev.vis { opacity: 1; transform: none; }
.rev .icone svg path, .rev .icone svg rect, .rev .icone svg circle { stroke-dasharray: 400; stroke-dashoffset: 400; transition: stroke-dashoffset 1.6s ease .2s; }
.rev.vis .icone svg path, .rev.vis .icone svg rect, .rev.vis .icone svg circle { stroke-dashoffset: 0; }

/* projetos: cartões que se empilham */
.pilha { position: relative; }
.cartao { position: sticky; top: calc(96px + var(--i) * 18px); margin-bottom: 40px; background: #f4f3f1; border: 1px solid var(--linha);
          border-radius: 6px; overflow: hidden; box-shadow: 0 -10px 30px rgba(0,0,0,.06); transform-origin: center top; transition: transform .2s linear, filter .2s linear; }
.cartao .grade { grid-template-columns: 5fr 7fr; border: 0; }
.cartao .grade > * { padding: 0; }
.cartao .info { padding: 36px 34px; display: flex; flex-direction: column; gap: 14px; }
.cartao .mosaico { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: #f4f3f1; align-content: center; border-left: 1px solid var(--linha); }
.cartao .mosaico figure { outline: 1px solid var(--linha); }
.cartao .mosaico figure { position: relative; background: #f4f3f1; }
.cartao .mosaico img { width: 100%; aspect-ratio: var(--prop, 16/10); object-fit: cover; }
.cartao .mosaico figure:first-child { grid-column: 1 / -1; }
.cartao .mosaico figure:first-child img { aspect-ratio: 16/9; }
.cartao .mosaico.dois figure:first-child { grid-column: auto; }
.cartao .mosaico.dois figure:first-child img { aspect-ratio: var(--prop); }
.cartao .mosaico figcaption { position: absolute; left: 0; top: 0; background: var(--preto); color: #fff; font-family: 'Anton', Impact, sans-serif;
                              text-transform: uppercase; font-size: 20px; padding: 4px 16px; }
.cartao .mosaico figure:last-child figcaption { background: var(--lar); }
.cartao .grade > .mosaico { border-right: 0; border-bottom: 0; }
.cartao ul { list-style: none; }
.cartao li { padding-left: 22px; position: relative; margin-bottom: 6px; font-size: 15.5px; }
.cartao li::before { content: ''; position: absolute; left: 0; top: 11px; width: 12px; height: 2px; background: var(--lar); }

/* faixa de chamada */
.chamada { text-align: center; padding: 70px 0; border-top: 1px solid var(--linha); border-bottom: 1px solid var(--linha); background: #f4f3f1; }
.chamada .t { margin-bottom: 14px; }
.chamada p { margin: 0 auto 28px; }

/* sobre */
.sobre .grade { grid-template-columns: 5fr 7fr; }
.sobre .foto { padding: 0; overflow: hidden; }
.sobre .foto img { width: 100%; height: 100%; object-fit: cover; max-height: 620px; }
.sobre .txt { padding: 50px 46px; display: flex; flex-direction: column; justify-content: center; gap: 18px; }
.destaque { border-left: 4px solid var(--lar); padding: 4px 0 4px 20px; font-size: 22px; color: var(--preto); }

/* final */
.final { background: #151515; color: #ccc; text-align: center; padding: 100px 0; position: relative; overflow: hidden; }
.final .t { color: #fff; margin-bottom: 18px; }
.final p { margin: 0 auto 34px; color: #bbb; }

footer { background: #0f0f0f; color: #888; padding: 34px 0; font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
footer img { height: 46px; }

/* botão flutuante discreto */
.flutuante { position: fixed; right: 20px; bottom: 20px; z-index: 40; width: 58px; height: 58px; border-radius: 50%; background: #25D366;
             display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 18px rgba(0,0,0,.22);
             opacity: 0; pointer-events: none; transition: opacity .3s; }
.flutuante.on { opacity: 1; pointer-events: auto; }
.flutuante svg { width: 30px; height: 30px; fill: #fff; }

@media (max-width: 900px) {
  .hero .grade, .ofertas .grade, .sobre .grade, .cartao .grade { grid-template-columns: 1fr; }
  .processo .grade { grid-template-columns: 1fr 1fr; }
  .hero .txt { padding: 48px 26px; }
  .hero .foto { min-height: 520px; }
  .cartao { top: calc(84px + var(--i) * 10px); }
  .sobre .txt { padding: 36px 26px; }
  section { padding: 64px 0; }
  header .bt span { display: none; }
}
@media (max-width: 560px) {
  .processo .grade { grid-template-columns: 1fr; }
  .grade > * { padding: 26px; }
  .bt { font-size: 19px; padding: 15px 22px; }
  .cartao { position: relative; top: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rev { opacity: 1; transform: none; transition: none; }
  .rev .icone svg * { stroke-dashoffset: 0 !important; transition: none !important; }
  .cartao { position: relative; top: 0; transition: none; }
}