:root {
  --fundo: #0b0c0e;
  --fundo-2: #121418;
  --tinta: #eceae4;
  --suave: #a7a59e;
  --fraco: #8b8983;
  --linha: rgba(236, 234, 228, 0.12);
  --azul: #4a72c8;
  --azul-claro: #8aaaff;
  --display: "Archivo", system-ui, sans-serif;
  --corpo: "Public Sans", system-ui, sans-serif;
  --medida: min(1280px, 100%);
  --saida: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scrollbar-color: #3a3e45 var(--fundo); }

body {
  margin: 0;
  background: var(--fundo);
  color: var(--tinta);
  font-family: var(--corpo);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
  overflow-anchor: none;
}

::selection { background: var(--azul); color: #fff; }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--fundo); }
::-webkit-scrollbar-thumb { background: #33373e; border-radius: 10px; border: 2px solid var(--fundo); }
:focus-visible { outline: 2px solid var(--azul-claro); outline-offset: 3px; border-radius: 4px; }

img, svg { max-width: 100%; display: block; }

.envelope { width: var(--medida); margin-inline: auto; padding-inline: clamp(16px, 4vw, 40px); }

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 800;
  font-stretch: 112%;
  letter-spacing: -0.03em;
  line-height: 1;
  text-wrap: balance;
  margin: 0;
}
h2 { font-size: clamp(2.2rem, 5.2vw, 4.4rem); }
p { margin: 0; }
.suave { color: var(--suave); }

/* ---------------- botões ---------------- */
.botao {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 24px; border-radius: 999px;
  background: var(--tinta); color: var(--fundo); border: 1px solid var(--tinta);
  font-weight: 600; font-size: 0.95rem; text-decoration: none; white-space: nowrap;
  transition: transform 300ms var(--saida), background 300ms var(--saida), color 300ms var(--saida), border-color 300ms var(--saida);
}
.botao:hover { background: var(--azul); border-color: var(--azul); color: #fff; transform: translateY(-2px); }
.botao:active { transform: translateY(0) scale(0.98); }
.botao-pequeno { padding: 9px 18px; font-size: 0.88rem; }
.botao-grande { padding: 18px 30px; font-size: 1.05rem; }
.botao-grande svg { transition: transform 300ms var(--saida); }
.botao-grande:hover svg { transform: translateX(4px); }

/* ---------------- cabeçalho ---------------- */
.barra-progresso {
  position: fixed; inset: 0 0 auto 0; height: 2px; z-index: 60;
  background: var(--azul-claro); transform-origin: 0 50%; transform: scaleX(0);
}
.cabecalho {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  padding-top: env(safe-area-inset-top, 0px);
  border-bottom: 1px solid transparent;
  transition: transform 500ms var(--saida), background 300ms ease, border-color 300ms ease;
}
.cabecalho.rolou { background: rgba(11, 12, 14, 0.72); backdrop-filter: blur(16px) saturate(1.2); border-bottom-color: var(--linha); }
.cabecalho.escondido { transform: translateY(-100%); }
.cabecalho .envelope { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 16px; }
.cabecalho .marca img { height: 24px; width: auto; }
.cabecalho nav { display: flex; gap: 30px; font-size: 0.92rem; margin-left: auto; }
.cabecalho nav a { color: var(--suave); text-decoration: none; position: relative; transition: color 200ms ease; }
.cabecalho nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right; transition: transform 400ms var(--saida);
}
.cabecalho nav a:hover { color: var(--tinta); }
.cabecalho nav a:hover::after { transform: scaleX(1); transform-origin: left; }

/* ---------------- capa ---------------- */
.capa { height: 170svh; position: relative; }
.capa-fixa { position: sticky; top: 0; height: 100svh; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; }
.capa-quadro {
  position: absolute; inset: 0;
  clip-path: inset(calc(var(--recuo, 0) * 7%) calc(var(--recuo, 0) * 5%) round calc(var(--recuo, 0) * 28px));
  will-change: clip-path;
}
.capa-quadro::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 12, 14, 0.6) 0%, rgba(11, 12, 14, 0) 30%, rgba(11, 12, 14, 0) 50%, rgba(11, 12, 14, 0.85) 100%),
    linear-gradient(90deg, rgba(11, 12, 14, 0.5) 0%, rgba(11, 12, 14, 0) 60%);
}
.capa-foto {
  width: 100%; height: 100%; object-fit: cover; object-position: 50% 60%;
  transform: scale(calc(1.18 - var(--recuo, 0) * 0.12));
  animation: capa-entra 2.4s var(--saida) both;
}
@keyframes capa-entra { from { opacity: 0; scale: 1.08; filter: blur(8px); } to { opacity: 1; scale: 1; filter: blur(0); } }

.capa-texto {
  position: relative; z-index: 2;
  padding-bottom: clamp(56px, 11svh, 120px);
  transform: translateY(calc(var(--recuo, 0) * -60px));
  opacity: calc(1 - var(--recuo, 0) * 1.25);
}
.capa h1 { font-size: clamp(2.9rem, 9.5vw, 6rem); font-stretch: 125%; font-weight: 900; line-height: 0.95; letter-spacing: -0.04em; }
.capa h1 .linha { display: block; overflow: hidden; padding-bottom: 0.06em; }
.capa h1 .linha > span { display: block; animation: linha-sobe 1.3s var(--saida) both; }
.capa h1 .linha:nth-child(2) > span { animation-delay: 120ms; }
@keyframes linha-sobe { from { transform: translateY(105%); } to { transform: translateY(0); } }
.chamada { margin-top: 22px; max-width: 42ch; font-size: clamp(1rem, 1.3vw, 1.15rem); color: #d4d2cb; animation: some-sobe 1.2s 400ms var(--saida) both; }
@keyframes some-sobe { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

.rolar {
  position: absolute; z-index: 2; left: 50%; bottom: 22px; translate: -50% 0;
  width: 24px; height: 38px; border: 1.5px solid rgba(236, 234, 228, 0.4); border-radius: 14px;
  opacity: calc(1 - var(--recuo, 0) * 4);
}
.rolar span { position: absolute; left: 50%; top: 7px; width: 3px; height: 7px; margin-left: -1.5px; border-radius: 2px; background: var(--tinta); animation: rolar 1.8s ease-in-out infinite; }
@keyframes rolar { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(12px); opacity: 0; } 100% { opacity: 0; } }

/* ---------------- camadas ---------------- */
.camadas { height: 280svh; position: relative; background: radial-gradient(ellipse 60% 45% at 68% 50%, #171a1f 0%, var(--fundo) 70%); }
.camadas-fixo { position: sticky; top: 0; height: 100svh; display: flex; align-items: center; overflow: hidden; }
.camadas-grade { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(24px, 5vw, 80px); align-items: center; }
.camadas-texto { display: grid; gap: 22px; }
.camadas-texto p { max-width: 42ch; }

.pilha { position: relative; height: min(76svh, 640px); perspective: 2400px; perspective-origin: 50% 25%; transform-style: preserve-3d; }
.placa, .sombra {
  --l: min(360px, 60vw);
  position: absolute; left: 44%; top: 50%; width: var(--l); height: var(--l);
  margin: calc(var(--l) / -2) 0 0 calc(var(--l) / -2);
  transform-style: preserve-3d;
  transform: rotateX(58deg) rotateZ(-40deg) translateZ(var(--z, 0px));
}
.sombra { background: radial-gradient(closest-side, rgba(0, 0, 0, 0.75), transparent); filter: blur(18px); scale: 1.25; }
.placa::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), transparent 45%, rgba(0, 0, 0, 0.25)), var(--tex) center / cover;
}
.placa i { position: absolute; background: var(--tex) center / cover; }
.placa .frente { left: 0; right: 0; top: 100%; height: var(--e); transform-origin: top; transform: rotateX(-90deg); filter: brightness(0.5); }
.placa .lado { top: 0; bottom: 0; left: 100%; width: var(--e); transform-origin: left; transform: rotateY(90deg); filter: brightness(0.32); }
.rotulo-camada {
  position: absolute; left: 0; top: 0; white-space: nowrap; pointer-events: none;
  font-family: var(--display); font-stretch: 112%; font-weight: 700; font-size: 1rem; letter-spacing: -0.01em;
  padding-left: 46px; translate: 0 -50%; opacity: var(--rotulo, 0);
}
.rotulo-camada::before { content: ""; position: absolute; left: 0; top: 50%; width: 36px; height: 1px; background: var(--azul-claro); }
.placa span { display: none; }

/* ---------------- cliente ---------------- */
.cliente { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: clip; isolation: isolate; }
.cliente-foto { position: absolute; inset: -15% 0; z-index: -1; }
.cliente-foto img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 60%; transform: translateY(calc(var(--paralaxe, 0) * 1px)) scale(1.05); }
.cliente-foto::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(11, 12, 14, 0.92) 0%, rgba(11, 12, 14, 0.55) 55%, rgba(11, 12, 14, 0.25) 100%), linear-gradient(180deg, var(--fundo) 0%, transparent 25%, transparent 75%, var(--fundo) 100%); }
.cliente-texto { display: grid; gap: 24px; justify-items: start; padding-block: 120px; }
.cliente h2 { font-size: clamp(2.6rem, 7vw, 5.6rem); }
.cliente p { max-width: 50ch; color: #d4d2cb; font-size: 1.08rem; }

/* ---------------- contato ---------------- */
.contato { padding-block: clamp(96px, 16svh, 180px); border-top: 1px solid var(--linha); }
.contato-grade { display: grid; grid-template-columns: 1fr 1.4fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.contato-texto p { margin-top: 20px; color: var(--suave); }
.contato-email { display: inline-block; margin-top: 6px; color: var(--tinta); font-size: 1.05rem; text-decoration: underline; text-decoration-color: var(--azul-claro); text-underline-offset: 4px; overflow-wrap: anywhere; }
.contato-email:hover { color: var(--azul-claro); }
.contato-whats { display: inline-flex; align-items: center; gap: 8px; margin-top: 14px; color: var(--tinta); font-size: 1.05rem; text-decoration: none; }
.contato-whats svg { color: #25d366; flex: none; }
.contato-whats:hover span { color: var(--azul-claro); }
.contato-texto .contato-whats { display: flex; width: fit-content; }
.whats-flutuante { position: fixed; right: 20px; bottom: calc(20px + env(safe-area-inset-bottom, 0px)); z-index: 50; width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: #25d366; color: #fff; box-shadow: 0 6px 20px rgba(0,0,0,.35); transition: transform .2s cubic-bezier(.2,.8,.2,1); }
.whats-flutuante:hover { transform: scale(1.06); }
.whats-flutuante:active { transform: scale(.96); }
.whats-flutuante:focus-visible { outline: 2px solid var(--tinta); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { .whats-flutuante { transition: none; } }
.rodape a { color: inherit; text-decoration: none; }
.rodape a:hover { color: var(--tinta); }
.formulario { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 24px; }
.pote { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.campo { display: grid; gap: 8px; }
.campo-largo, .formulario-pe { grid-column: 1 / -1; }
.campo label { font-size: 0.88rem; color: var(--suave); }
.campo label span { color: var(--fraco); margin-left: 6px; }
.campo input, .campo textarea {
  width: 100%; font: inherit; color: var(--tinta); caret-color: var(--azul-claro);
  background: transparent; border: 0; border-bottom: 1px solid rgba(236, 234, 228, 0.25); border-radius: 0;
  padding: 10px 0 12px; transition: border-color 300ms var(--saida);
}
.campo textarea { resize: vertical; min-height: 120px; line-height: 1.5; }
.campo input:hover, .campo textarea:hover { border-bottom-color: rgba(236, 234, 228, 0.5); }
.campo input:focus, .campo textarea:focus { outline: none; border-bottom-color: var(--azul-claro); }
.campo input:focus-visible, .campo textarea:focus-visible { outline: none; }
.formulario-pe { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; margin-top: 8px; }
.formulario button { cursor: pointer; font-family: inherit; }
.formulario button:disabled { opacity: 0.6; cursor: progress; transform: none; }
.aviso { color: var(--suave); font-size: 0.95rem; }
.aviso.ok { color: #9fd3a8; }
.aviso.erro { color: #f2a19a; }
.formulario.enviado .campo { opacity: 0.45; pointer-events: none; }

.cabecalho-acoes { display: flex; align-items: center; gap: 22px; }
.link-contato { color: var(--suave); text-decoration: none; font-size: 0.92rem; transition: color 200ms ease; }
.link-contato:hover { color: var(--tinta); }

/* ---------------- rodapé ---------------- */
.rodape { border-top: 1px solid var(--linha); padding-block: 40px calc(40px + env(safe-area-inset-bottom, 0px)); }
.rodape .envelope { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 32px; }
.rodape img { height: 20px; width: auto; }
.rodape p { color: var(--suave); font-size: 0.9rem; }
.rodape .credito { margin-left: auto; color: var(--fraco); font-size: 0.82rem; }

/* ---------------- telas menores ---------------- */
@media (max-width: 900px) {
  .cabecalho nav { display: none; }
  .camadas-grade, .contato-grade, .formulario { grid-template-columns: 1fr; }
  .capa h1 { font-size: 11.6vw; font-stretch: 108%; }

  .camadas { height: 220svh; }
  .camadas-fixo { align-items: flex-start; padding-top: 88px; }
  .camadas-grade { gap: 0; }
  .camadas-texto p { font-size: 0.95rem; }
  .pilha { height: 56svh; }
  .placa, .sombra { --l: min(180px, 44vw); left: 28%; }
  .rotulo-camada { font-size: 0.8rem; padding-left: 26px; }
  .rotulo-camada::before { width: 18px; }
  .rodape .credito { margin-left: 0; }
}

@media (max-width: 420px) {
  .cabecalho .marca img { height: 18px; }
  .cabecalho-acoes { gap: 14px; }
  .link-contato { font-size: 0.85rem; }
}

/* ---------------- movimento reduzido ---------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; scroll-behavior: auto !important; }
  .capa { height: 100svh; }
  .camadas { height: auto; padding-block: 96px; }
  .camadas-fixo { position: static; height: auto; }
  .rotulo-camada { --rotulo: 1; }
}