/* =====================================================================
   FERRETE — estúdio de marca (marca fictícia) · projeto conceito VEXA
   Base: template premium "branding-monolito", reescrito.
   Cores: tudo no :root. Fontes locais em ../fonts (woff2, swap).
   ===================================================================== */
@font-face { font-family: "Fraunces"; font-style: normal; font-weight: 300 900; font-display: swap; src: url(../fonts/fraunces-normal.woff2) format("woff2"); }
@font-face { font-family: "Fraunces"; font-style: italic; font-weight: 300 900; font-display: swap; src: url(../fonts/fraunces-italic.woff2) format("woff2"); }
@font-face { font-family: "Instrument Sans"; font-style: normal; font-weight: 400 700; font-display: swap; src: url(../fonts/instrument-sans-normal.woff2) format("woff2"); }

:root {
  --papel: #ece6da;
  --papel-2: #e1d8c7;
  --areia: #d6c8ae;
  --tinta: #16130f;
  --tinta-2: #241f1a;
  --suave: #5e574d;          /* texto secundário sobre papel (AA) */
  --suave-escuro: #aaa195;   /* texto secundário sobre tinta (AA) */
  --brasa: #e04a1f;
  --brasa-2: #b23a14;
  --vexa: #0b0f14;

  --serifa: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;

  --borda: clamp(16px, 2.6vw, 40px);
  --faixa-h: 34px;
  --topo-h: 64px;
  --ease: cubic-bezier(.2, .75, .1, 1);
  --ease-in-out: cubic-bezier(.7, 0, .2, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--papel); color: var(--tinta);
  font: 400 17px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased; overflow-x: hidden; overflow-x: clip;
}
main, .rodape { overflow-x: clip; } /* evita rolagem lateral sem quebrar o sticky */
h1, h2, h3, p, ul, ol, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; text-align: inherit; }
em { font-style: italic; }
img, svg { display: block; }
:focus-visible { outline: 2px solid var(--brasa); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--brasa); color: var(--tinta); }
.sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.pular { position: absolute; left: 12px; top: -80px; z-index: 200; padding: 10px 16px; border-radius: 999px; background: var(--tinta); color: var(--papel); }
.pular:focus { top: 44px; }

/* grão fixo (textura estática, não anima) */
body::after {
  content: ""; position: fixed; inset: 0; z-index: 95; pointer-events: none;
  background: url(../img/grao.webp) repeat; background-size: 180px; opacity: .55;
}

.escuro { background: var(--tinta); color: var(--papel); }
.secao { padding: clamp(80px, 11vw, 170px) var(--borda); }
.rotulo {
  display: inline-flex; align-items: center; gap: 8px;
  font: 600 12px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--suave);
}
.escuro .rotulo { color: var(--suave-escuro); }
.chip {
  display: inline-block; padding: 5px 8px; border-radius: 999px;
  font: 600 10px/1 var(--sans); letter-spacing: .08em; text-transform: uppercase;
  background: var(--tinta); color: var(--papel);
}
.titulo-xl {
  font: 500 clamp(2.4rem, 6vw, 6.2rem)/.95 var(--serifa); letter-spacing: -.035em;
  font-variation-settings: "opsz" 144; text-wrap: balance;
}
.titulo-xl em { font-weight: 300; color: var(--brasa-2); }
.escuro .titulo-xl em { color: var(--brasa); }

/* ---------- Botões ---------- */
.botao {
  position: relative; isolation: isolate; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 24px; border-radius: 999px;
  font: 600 1rem/1 var(--sans); white-space: nowrap;
  transition: color .4s var(--ease);
}
.botao::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit;
  background: var(--botao-hover, var(--brasa)); transform: translateY(102%);
  transition: transform .5s var(--ease);
}
.botao:hover::before, .botao:focus-visible::before { transform: none; }
.botao svg { transition: transform .45s var(--ease); }
.botao:hover svg { transform: translateX(3px); }
.botao--tinta { background: var(--tinta); color: var(--papel); --botao-hover: var(--brasa); }
.botao--tinta:hover { color: var(--tinta); }
.botao--brasa { background: var(--brasa); color: var(--tinta); --botao-hover: var(--tinta); }
.botao--brasa:hover { color: var(--papel); }
.botao--contorno { box-shadow: inset 0 0 0 1.5px currentColor; --botao-hover: var(--papel); }
.botao--contorno:hover { color: var(--tinta); }
.botao--grande { min-height: 66px; padding: 0 32px; font-size: 1.12rem; }
.magnetico { will-change: transform; }

/* ---------- Faixa VEXA ---------- */
.vexa-faixa {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--faixa-h);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 0 var(--borda);
  background: var(--vexa); color: #e9e4da;
  font: 500 12.5px/1 var(--sans); letter-spacing: .02em;
}
.vexa-faixa strong { font-weight: 700; letter-spacing: .08em; }
.vexa-faixa__voltar { display: inline-flex; align-items: center; gap: 6px; min-height: 34px; color: #f2b9a4; }
.vexa-faixa__voltar:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.vexa-faixa__progresso {
  position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--brasa);
  transform-origin: 0 50%; transform: scaleX(0);
}

/* ---------- Cabeçalho ---------- */
.topo {
  position: fixed; z-index: 80; top: calc(var(--faixa-h) + 10px); left: var(--borda); right: var(--borda);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  height: var(--topo-h); padding: 0 8px 0 18px; border-radius: 999px;
  background: color-mix(in oklab, var(--papel) 94%, transparent);
  box-shadow: 0 10px 30px -18px rgba(22, 19, 15, .45), inset 0 0 0 1px rgba(22, 19, 15, .08);
  transition: transform .55s var(--ease);
}
.topo.escondido { transform: translateY(calc(-100% - var(--faixa-h) - 20px)); }
.topo__logo { display: inline-flex; align-items: center; gap: 10px; font: 800 1.45rem/1 var(--serifa); letter-spacing: -.03em; font-variation-settings: "opsz" 144; }
.marca-simbolo { width: 34px; height: 34px; color: var(--tinta); transition: transform .6s var(--ease); }
.topo__logo:hover .marca-simbolo { transform: rotate(-12deg); }
.marca-simbolo__calor { color: var(--brasa); stroke: var(--brasa); animation: calor 2.4s var(--ease) infinite; transform-origin: 37px 33px; }
@keyframes calor { 0%, 100% { opacity: .2; transform: translateY(2px); } 50% { opacity: 1; transform: none; } }
.topo__nav { display: flex; gap: 4px; }
.topo__nav a {
  position: relative; padding: 10px 14px; font-weight: 500; font-size: .95rem;
}
.topo__nav a::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 6px; height: 1.5px; background: var(--brasa);
  transform: scaleX(0); transform-origin: 100% 50%; transition: transform .45s var(--ease);
}
.topo__nav a:hover::after, .topo__nav a.ativo::after { transform: scaleX(1); transform-origin: 0 50%; }
.topo__cta { min-height: 48px; }

/* ---------- Monumental (letras montadas pelo JS) ---------- */
.monumental {
  font: 800 18vw/.8 var(--serifa); font-variation-settings: "opsz" 144;
  white-space: nowrap; text-align: center; letter-spacing: 0;
}
.letra { display: inline-block; margin-right: -.035em; will-change: transform; }
.letra:last-child { margin-right: 0; }
.letra__in { display: inline-block; }

/* ---------- Hero ---------- */
.hero { position: relative; }
.hero__palco {
  position: relative; height: 100vh; height: 100svh; min-height: 560px; overflow: hidden;
  padding: calc(var(--faixa-h) + var(--topo-h) + 34px) var(--borda) 0;
  display: flex; flex-direction: column;
}
.hero--animada { height: 240vh; }
.hero:not(.hero--animada) .hero__palco { max-height: 1000px; }
.hero--animada .hero__palco { position: sticky; top: 0; }
.hero__sobre {
  display: flex; justify-content: space-between; gap: 12px; margin-bottom: clamp(8px, 1.6vw, 22px);
  font: 600 12px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--suave);
}
.hero__nome { position: relative; z-index: 3; }
.hero__linha {
  position: relative; z-index: 4;
  display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap;
  margin-top: clamp(14px, 2.2vw, 30px);
}
.hero__tag { line-height: 1.1; }
.hero__tag strong { display: block; font: 600 clamp(1.15rem, 2vw, 1.75rem)/1.1 var(--sans); letter-spacing: -.02em; }
.hero__tag em { display: block; font: 300 italic clamp(1.15rem, 2vw, 1.75rem)/1.15 var(--serifa); color: var(--brasa-2); }
.hero__rolar {
  position: absolute; left: var(--borda); bottom: 22px; z-index: 4;
  display: inline-flex; align-items: center; gap: 12px;
  font: 600 11px/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--suave);
}
.hero__rolar-linha { width: 1.5px; height: 44px; background: rgba(22, 19, 15, .2); position: relative; overflow: hidden; }
.hero__rolar-linha::after { content: ""; position: absolute; inset: 0; background: var(--tinta); animation: descer 1.8s var(--ease-in-out) infinite; }
@keyframes descer { 0% { transform: translateY(-100%); } 60%, 100% { transform: translateY(100%); } }

.hero__frase {
  --hp: 0;
  position: absolute; z-index: 5; left: var(--borda); top: 50%;
  max-width: 50vw; opacity: var(--hp); pointer-events: none;
  font: 400 clamp(2rem, 4.1vw, 4.2rem)/1.02 var(--serifa); letter-spacing: -.035em;
  transform: translateY(-50%);
}
.hero__frase span { display: inline-block; transform: translateY(calc((1 - var(--hp)) * 60px)); }
.hero__frase span:nth-child(2) { transform: translateY(calc((1 - var(--hp)) * 90px)); }
.hero__frase span:nth-child(4) { transform: translateY(calc((1 - var(--hp)) * 75px)); }
.hero__frase span:nth-child(5) { transform: translateY(calc((1 - var(--hp)) * 110px)); }
.hero__frase span:nth-child(6) { transform: translateY(calc((1 - var(--hp)) * 140px)); }
.hero__frase em { color: var(--brasa-2); }
.hero:not(.hero--animada) .hero__frase, .hero:not(.hero--animada) .hero__rolar { display: none; }

/* entrada coreografada (só com movimento) */
.anima .hero__nome .letra__in { animation: subir 1.2s var(--ease) backwards; animation-delay: calc(var(--n) * 70ms + 120ms); }
.anima .hero__sobre, .anima .hero__linha { animation: aparecer 1s var(--ease) .7s backwards; }
.anima .selo__entrada { animation: selo-entra 1.6s var(--ease) .35s backwards; }
@keyframes subir { from { transform: translateY(70%) rotate(8deg); opacity: 0; } }
@keyframes aparecer { from { opacity: 0; transform: translateY(18px); } }
@keyframes selo-entra { from { opacity: 0; transform: translateY(30%) rotate(-40deg) scale(.8); } }

/* ---------- Selo 3D ---------- */
.selo {
  --s: min(40vw, 56vh, 520px);
  position: absolute; z-index: 2; left: 50%; bottom: 0;
  width: var(--s); height: var(--s);
  transform: translate(-50%, 34%);
  perspective: 1100px; touch-action: pan-y; cursor: grab;
}
.hero--animada .selo { top: 0; bottom: auto; left: 0; transform: none; }
.selo:active { cursor: grabbing; }
.selo__entrada { position: absolute; inset: 0; transform-style: preserve-3d; }
.selo__corpo {
  position: absolute; inset: 0; transform-style: preserve-3d;
  transform: rotateX(10deg) rotateY(-18deg);
}
.selo__face {
  position: absolute; inset: 0; border-radius: 50%;
  display: grid; place-items: center;
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
}
.selo__face--frente {
  transform: translateZ(15px);
  background:
    radial-gradient(circle at 32% 26%, #ff8a5c 0, var(--brasa) 42%, var(--brasa-2) 100%);
  box-shadow: inset 0 0 0 3px rgba(255, 210, 190, .35), inset -18px -22px 40px rgba(60, 14, 0, .35), inset 14px 16px 30px rgba(255, 190, 160, .35);
}
.selo__face--verso {
  transform: rotateY(180deg) translateZ(15px);
  background: radial-gradient(circle at 34% 28%, #3a332b, var(--tinta) 70%);
  box-shadow: inset 0 0 0 3px rgba(224, 74, 31, .5);
}
.selo__verso-txt { font: 400 italic clamp(1.6rem, 3.4vw, 3rem)/.95 var(--serifa); color: var(--papel); text-align: center; letter-spacing: -.02em; }
.selo__verso-txt em { color: var(--brasa); }
.selo__borda { position: absolute; inset: 0; transform-style: preserve-3d; }
.selo__borda i { position: absolute; inset: 0; border-radius: 50%; background: #8c2c0f; }
.selo__borda i:nth-child(odd) { background: #a1340f; }
.selo__circular { position: absolute; inset: 0; width: 100%; height: 100%; animation: girar 40s linear infinite; }
.selo__circular text { font: 700 17px var(--sans); letter-spacing: .02em; text-transform: uppercase; fill: rgba(22, 19, 15, .78); }
.selo__anel {
  position: absolute; inset: 21%; border-radius: 50%;
  box-shadow: inset 8px 10px 18px rgba(60, 14, 0, .45), inset -6px -8px 14px rgba(255, 190, 160, .4), -2px -3px 6px rgba(255, 190, 160, .35), 4px 6px 12px rgba(60, 14, 0, .35);
}
.selo__f { position: relative; width: 38%; height: 38%; color: var(--tinta); filter: drop-shadow(-2px -2px 1px rgba(255, 190, 160, .5)) drop-shadow(4px 6px 5px rgba(60, 14, 0, .45)); }
.selo__sombra {
  position: absolute; left: 10%; right: 10%; bottom: -6%; height: 14%; z-index: -1;
  background: radial-gradient(closest-side, rgba(22, 19, 15, .28), transparent); border-radius: 50%;
}
.selo.parado .selo__circular { animation-play-state: paused; }
@keyframes girar { to { transform: rotate(360deg); } }

/* ---------- Letreiro (marquee) ---------- */
.letreiro { position: relative; overflow: hidden; padding: 18px 0; }
.letreiro--brasa { background: var(--brasa); color: var(--tinta); transform: rotate(-2deg); margin: -10px -2vw 0; z-index: 6; box-shadow: 0 20px 50px -30px rgba(22, 19, 15, .6); }
.letreiro__trilho { display: flex; width: max-content; will-change: transform; }
.letreiro__grupo { display: flex; align-items: center; flex: none; }
.letreiro__grupo > span { padding: 0 .35em; font: 400 clamp(2.2rem, 5.6vw, 5.4rem)/1.05 var(--serifa); letter-spacing: -.03em; white-space: nowrap; }
.letreiro__grupo em { font-weight: 300; }
.estrela {
  flex: none; width: .5em; height: .5em; font-size: clamp(2.2rem, 5.6vw, 5.4rem); margin: 0 .2em;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 40'%3E%3Cpath d='M20 0l3.6 13 11.6-7-7 11.6L40 20l-13 3.6 7 11.6-11.6-7L20 40l-3.6-13-11.6 7 7-11.6L0 20l13-3.6-7-11.6 11.6 7z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 40 40'%3E%3Cpath d='M20 0l3.6 13 11.6-7-7 11.6L40 20l-13 3.6 7 11.6-11.6-7L20 40l-3.6-13-11.6 7 7-11.6L0 20l13-3.6-7-11.6 11.6 7z'/%3E%3C/svg%3E") center/contain no-repeat;
  animation: girar 6s linear infinite; animation-play-state: paused;
}
.letreiro.ativo .estrela { animation-play-state: running; }
.letreiro--contorno .letreiro__grupo > span { color: transparent; -webkit-text-stroke: 1.5px var(--tinta); }
.letreiro--contorno .letreiro__grupo > span:has(em) { color: var(--tinta); -webkit-text-stroke: 0; }

/* ---------- Manifesto ---------- */
.manifesto { position: relative; z-index: 1; margin-top: -40px; padding: clamp(130px, 15vw, 220px) var(--borda) clamp(90px, 12vw, 180px); }
.manifesto__in { max-width: 1180px; margin: 0 auto; }
.manifesto__titulo {
  margin: 22px 0 clamp(40px, 6vw, 80px);
  font: 400 clamp(2.5rem, 6.4vw, 6.6rem)/1 var(--serifa); letter-spacing: -.04em; font-variation-settings: "opsz" 144;
}
.giratoria {
  position: relative; display: inline-grid; vertical-align: top;
  color: var(--brasa); font-style: italic; font-weight: 300;
  clip-path: inset(-.05em -.2em -.18em -.2em); padding-bottom: .1em; margin-bottom: -.1em;
}
.giratoria__palavra { grid-area: 1 / 1; white-space: nowrap; }
.giratoria__palavra .l { display: inline-block; transform: translateY(160%); transition: transform .75s var(--ease); transition-delay: calc(var(--k) * 32ms); }
.giratoria__palavra.ativa .l { transform: none; }
.giratoria__palavra.saindo .l { transform: translateY(-160%); transition-duration: .55s; }
.giratoria--estatica .giratoria__palavra .l { transform: none; }
.manifesto__texto {
  max-width: 30em;
  font: 300 clamp(1.45rem, 2.7vw, 2.55rem)/1.24 var(--serifa); letter-spacing: -.015em;
}
.manifesto__texto .p { opacity: .16; transition: opacity .25s linear; }
.manifesto__texto .p.on { opacity: 1; }
.manifesto__pe { display: flex; align-items: center; gap: 18px; margin-top: 40px; color: var(--suave-escuro); }
.manifesto__assina { font: 400 italic 1.2rem/1 var(--serifa); }
.manifesto__risco { width: 180px; height: 26px; color: var(--brasa); }
.manifesto__risco path { stroke-dasharray: 1 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1.6s var(--ease) .2s; }
.manifesto__pe.visivel .manifesto__risco path { stroke-dashoffset: 0; }

/* ---------- Serviços: trilho horizontal ---------- */
.servicos { position: relative; padding: clamp(80px, 10vw, 140px) 0; }
.servicos__trilho { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 16px; padding: 0 var(--borda); }
.trilho-ativo { padding: 0; }
.servicos:not(.trilho-ativo) .painel--intro { grid-column: 1 / -1; min-height: 0; padding-bottom: 20px; }
.trilho-ativo .servicos__palco { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; display: flex; align-items: center; }
.trilho-ativo .servicos__trilho { display: flex; gap: 18px; padding: calc(var(--faixa-h) + var(--topo-h) + 10px) var(--borda) 0; will-change: transform; }
.painel {
  position: relative; display: flex; flex-direction: column; gap: 14px;
  padding: clamp(24px, 2.6vw, 38px); border-radius: 24px;
  background: var(--papel-2); min-height: 420px;
}
.trilho-ativo .painel { flex: none; width: clamp(320px, 30vw, 440px); height: min(66vh, 560px); min-height: 0; }
.painel--intro { background: none; padding-left: 0; justify-content: flex-end; }
.trilho-ativo .painel--intro { width: clamp(420px, 44vw, 680px); padding-right: 4vw; }
.painel--intro .titulo-xl { margin: 6px 0 10px; }
.painel__apoio { max-width: 34ch; font: 300 clamp(1.1rem, 1.6vw, 1.45rem)/1.3 var(--serifa); color: var(--suave); }
.servicos__dica { margin-top: 18px; font: 600 12px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--suave); display: none; }
.trilho-ativo .servicos__dica { display: inline-flex; gap: 8px; }
.servicos__dica span { animation: empurra 1.6s var(--ease-in-out) infinite; display: inline-block; }
@keyframes empurra { 50% { transform: translateX(8px); } }
.painel--brasa { background: var(--brasa); }
.painel--tinta { background: var(--tinta); color: var(--papel); }
.painel--papel2 { background: var(--areia); }
.painel__num { font: 300 italic 1.4rem/1 var(--serifa); }
.painel__icone { width: 72px; height: 72px; margin: auto 0 6px; fill: none; stroke: currentColor; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.painel__titulo { font: 500 clamp(2rem, 3vw, 2.9rem)/.98 var(--serifa); letter-spacing: -.035em; }
.painel p { font-size: 1rem; line-height: 1.45; max-width: 34ch; }
.painel__lista { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.painel__lista li { padding: 6px 11px; border-radius: 999px; box-shadow: inset 0 0 0 1px currentColor; font-size: .82rem; font-weight: 500; opacity: .9; }
/* micro-animações dos ícones (só quando a seção está na tela) */
.servicos .painel__icone * { animation-play-state: paused !important; }
.servicos.vivo .painel__icone * { animation-play-state: running !important; }
.icone-alvo__seta { animation: flecha 2.6s var(--ease) infinite; }
@keyframes flecha { 0% { transform: translate(14px, -14px); opacity: 0; } 30%, 80% { transform: none; opacity: 1; } 100% { opacity: 0; } }
.icone-alvo__miolo { fill: currentColor; transform-origin: 40px 40px; animation: pulso 2.6s var(--ease) infinite; }
@keyframes pulso { 30% { transform: scale(1.5); } 60% { transform: none; } }
.icone-nome__cursor { animation: piscar 1s steps(1) infinite; }
@keyframes piscar { 50% { opacity: 0; } }
.icone-nome__txt { stroke-dasharray: 24; animation: digitar 3s var(--ease) infinite; }
@keyframes digitar { 0% { stroke-dashoffset: 24; } 40%, 80% { stroke-dashoffset: 0; } 100% { stroke-dashoffset: 24; } }
.icone-forma__q { transform-origin: 23px 23px; animation: girar 8s linear infinite; }
.icone-forma__c { transform-origin: 57px 23px; animation: pulso 3s var(--ease) infinite; }
.icone-forma__x { transform-origin: 57px 59px; animation: girar-x 3s var(--ease) infinite; }
@keyframes girar-x { 50% { transform: rotate(90deg); } }
.icone-voz__onda { animation: falar .9s var(--ease-in-out) infinite alternate; transform-origin: 40px 37px; }
@keyframes falar { to { transform: scaleY(.45); } }
.icone-caixa__tampa { animation: tampa 2.4s var(--ease) infinite; }
@keyframes tampa { 50% { transform: translateY(-5px); } }

/* ---------- Antes e depois ---------- */
.antes-depois { padding-top: clamp(60px, 8vw, 120px); }
.ad__cabeca { display: grid; grid-template-columns: 1.3fr 1fr; gap: 16px 40px; align-items: end; margin-bottom: clamp(30px, 4vw, 56px); }
.ad__cabeca .rotulo { grid-column: 1 / -1; }
.ad__apoio { font-size: 1.05rem; color: var(--suave); max-width: 44ch; }
.ad__apoio b { color: var(--tinta); }
.ba {
  position: relative; aspect-ratio: 3 / 2; border-radius: 22px; overflow: hidden;
  width: min(100%, calc((100vh - 140px) * 1.5)); margin: 0 auto;
  background: #f1e7d3; touch-action: pan-y; user-select: none; -webkit-user-select: none;
  box-shadow: 0 40px 80px -50px rgba(22, 19, 15, .7);
}
.ba__lado { position: absolute; inset: 0; }
.ba__arte { width: 100%; height: 100%; }
.ba__janela { position: absolute; inset: 0; overflow: hidden; transform: translateX(50%); will-change: transform; }
.ba__lado--depois { transform: translateX(-50%); will-change: transform; }
.ba__selo {
  position: absolute; top: 14px; padding: 8px 12px; border-radius: 999px;
  font: 700 11px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase;
}
.ba__selo--antes { left: 14px; background: #fff; color: #c0392b; }
.ba__selo--depois { right: 14px; background: var(--tinta); color: var(--papel); }
.ba__divisor { position: absolute; top: 0; bottom: 0; left: 0; width: 0; transform: translateX(50%); will-change: transform; pointer-events: none; }
.ba__divisor::before { content: ""; position: absolute; top: 0; bottom: 0; left: -1.5px; width: 3px; background: var(--papel); box-shadow: 0 0 0 1px rgba(22, 19, 15, .15); }
.ba__alca {
  position: absolute; top: 50%; left: 0; width: 58px; height: 58px; margin: -29px 0 0 -29px;
  display: grid; place-items: center; border-radius: 50%;
  background: var(--brasa); color: var(--tinta); box-shadow: 0 10px 30px rgba(22, 19, 15, .35);
  transition: transform .35s var(--ease);
}
.ba.arrastando .ba__alca { transform: scale(1.15); }
.ba:has(.ba__range:focus-visible) .ba__alca { outline: 3px solid var(--tinta); outline-offset: 3px; }
.ba__range { position: absolute; inset: auto 0 0 0; width: 100%; height: 100%; opacity: 0; margin: 0; pointer-events: none; }
.ad__notas { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: clamp(28px, 4vw, 52px); counter-reset: nota; }
.ad__notas li { counter-increment: nota; padding-top: 16px; border-top: 1px solid rgba(22, 19, 15, .2); font-size: .98rem; color: var(--suave); }
.ad__notas b { display: block; margin-bottom: 6px; font: 500 1.5rem/1 var(--serifa); color: var(--tinta); letter-spacing: -.02em; }
.ad__notas b::before { content: "0" counter(nota) " "; font: 300 italic .9rem/1 var(--serifa); color: var(--brasa-2); vertical-align: top; margin-right: 4px; }

/* ---------- Sistema: paleta e tipografia que se montam ---------- */
.sistema { padding-top: clamp(40px, 6vw, 90px); }
.sistema__cabeca { margin-bottom: clamp(30px, 4vw, 56px); }
.sistema__cabeca .titulo-xl { margin-top: 14px; }
.sistema__grade { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.cartao-sis { position: relative; padding: clamp(20px, 2.4vw, 32px); border-radius: 22px; background: var(--papel-2); overflow: hidden; }
.cartao-sis__rotulo { display: block; margin-bottom: 18px; font: 600 11px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--suave); }
.paleta { grid-column: 1 / 8; }
.tipo { grid-column: 8 / 13; grid-row: 1 / 3; background: #f1e7d3; color: #1b1a17; display: flex; flex-direction: column; }
.construcao { grid-column: 1 / 5; background: #f1e7d3; color: #1b1a17; }
.tom { grid-column: 5 / 8; background: #2f4a35; color: #f1e7d3; display: flex; flex-direction: column; }
.tom .cartao-sis__rotulo { color: #cfd9c9; }

.paleta__lista { display: flex; gap: 10px; height: clamp(220px, 26vw, 330px); }
.paleta__lista li { position: relative; flex: 1; transition: transform .5s var(--ease); }
.paleta__lista li:hover { transform: translateY(-8px); }
.paleta__amostra {
  position: absolute; inset: 0; border-radius: 14px; background: var(--c);
  box-shadow: inset 0 0 0 1px rgba(22, 19, 15, .08);
  transform-origin: 50% 100%; transform: scaleY(0);
  transition: transform 1s var(--ease); transition-delay: calc(var(--i) * 110ms);
}
.paleta__lista b, .paleta__lista code {
  position: absolute; left: 12px; right: 8px; color: var(--t);
  opacity: 0; transform: translateY(10px);
  transition: opacity .6s var(--ease), transform .6s var(--ease); transition-delay: calc(var(--i) * 110ms + .55s);
}
.paleta__lista b { bottom: 32px; font: 500 1.15rem/1 var(--serifa); }
.paleta__lista code { bottom: 14px; font: 500 .78rem/1 var(--sans); letter-spacing: .06em; }

.tipo__aa { display: flex; align-items: baseline; font: 800 clamp(7rem, 16vw, 15.5rem)/.85 var(--serifa); letter-spacing: -.05em; font-variation-settings: "opsz" 144; }
.tipo__A, .tipo__a { display: inline-block; transition: transform 1.2s var(--ease), opacity 1s var(--ease); opacity: 0; }
.tipo__A { transform: translateX(-40%) rotate(-14deg); }
.tipo__a { font-style: italic; font-weight: 400; color: #b5532e; transform: translateY(40%) rotate(14deg); transition-delay: .15s; }
.tipo__info { margin: 18px 0; font-size: .95rem; line-height: 1.45; color: #4f483f; }
.tipo__info b { color: #1b1a17; }
.tipo__alfabeto { font: 400 clamp(1.1rem, 1.5vw, 1.35rem)/1.45 var(--serifa); letter-spacing: .02em; word-spacing: .2em; }
.tipo__alfabeto .w { display: inline-block; white-space: nowrap; }
.tipo__alfabeto .c { display: inline-block; opacity: 0; transform: translateY(.5em); transition: opacity .5s var(--ease), transform .5s var(--ease); transition-delay: calc(var(--i) * 14ms + .4s); }
.tipo__pesos { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-top: 22px; font: 1.5rem/1.1 var(--serifa); }
.tipo__pesos span { opacity: 0; transform: translateY(12px); transition: opacity .6s var(--ease), transform .6s var(--ease); transition-delay: calc(var(--i) * 120ms + .9s); }
.montado .tipo__pesos span { opacity: 1; transform: none; }
.tipo__escala { margin-top: auto; padding-top: 22px; }
.tipo__escala li { position: relative; display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 14px 0; }
.tipo__escala li::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: rgba(27, 26, 23, .25); transform: scaleX(0); transform-origin: 0 50%; transition: transform 1s var(--ease); transition-delay: calc(var(--i) * 150ms + .5s); }
.tipo__esc { opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: calc(var(--i) * 150ms + .7s); }
.tipo__esc--1 { font: 600 italic clamp(1.7rem, 2.6vw, 2.4rem)/1 var(--serifa); letter-spacing: -.03em; }
.tipo__esc--2 { font: 500 1.35rem/1.1 var(--serifa); }
.tipo__esc--3 { font: 400 .98rem/1.35 var(--sans); }
.tipo__escala small { flex: none; font: 600 10px/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: #6b6257; }

.construcao__svg { width: 100%; max-width: 300px; margin: 0 auto; height: auto; }
.construcao .guia { opacity: 0; transition: opacity 1s var(--ease) .1s; color: #8a8174; }
.construcao .traco > * { stroke-dasharray: 1 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1.4s var(--ease); }
.construcao .traco > :nth-child(2) { transition-delay: .5s; }
.construcao .traco > :nth-child(3) { transition-delay: .9s; }
.construcao .traco > :nth-child(4) { transition-delay: 1.05s; }
.construcao .traco > :nth-child(5) { transition-delay: 1.2s; }
.construcao .cota { opacity: 0; transition: opacity .8s var(--ease) 1.6s; text-anchor: middle; letter-spacing: .12em; }

.tom__lista { display: flex; flex-direction: column; gap: 10px; }
.tom__exemplo { margin-top: auto; padding-top: 22px; font: 400 italic 1.05rem/1.35 var(--serifa); color: #cfd9c9; opacity: 0; transition: opacity .8s var(--ease) 1.6s; }
.tom__exemplo b { display: block; margin-bottom: 4px; font: 600 10px/1 var(--sans); font-style: normal; letter-spacing: .14em; text-transform: uppercase; }
.montado .tom__exemplo { opacity: 1; }
.tom__lista li { font: 400 clamp(1.5rem, 2.2vw, 2rem)/1.1 var(--serifa); letter-spacing: -.02em; }
.tom__lista span { display: inline-block; opacity: 0; transform: translateX(-20px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: calc(var(--i) * 160ms + .3s); }
.tom__lista s { position: relative; display: inline-block; text-decoration: none; font-style: italic; font-weight: 300; color: #cfd9c9; opacity: 0; transition: opacity .6s var(--ease); transition-delay: calc(var(--i) * 160ms + .6s); }
.tom__lista s::after { content: ""; position: absolute; left: -2px; right: -2px; top: 55%; height: 2px; background: #d9a441; transform: scaleX(0); transform-origin: 0 50%; transition: transform .6s var(--ease); transition-delay: calc(var(--i) * 160ms + 1s); }

/* estado montado */
.montado .paleta__amostra, .montado .tipo__A, .montado .tipo__a { transform: none; opacity: 1; }
.montado .paleta__lista b, .montado .paleta__lista code, .montado .tipo__alfabeto .c, .montado .tipo__esc, .montado .tom__lista span { opacity: 1; transform: none; }
.montado .tipo__escala li::before, .montado .tom__lista s::after { transform: none; }
.montado .tom__lista s { opacity: 1; }
.montado .construcao .guia { opacity: .55; }
.montado .construcao .traco > * { stroke-dashoffset: 0; }
.montado .construcao .cota { opacity: .8; }

/* ---------- Trabalhos ---------- */
.trab__cabeca { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; margin-bottom: clamp(36px, 5vw, 72px); }
.trab__nota { max-width: 38ch; color: var(--suave-escuro); font-size: .98rem; }
.trab__grade { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 5vw, 80px) clamp(16px, 2vw, 32px); }
.obra { display: flex; flex-direction: column; gap: 16px; width: 100%; color: inherit; border-radius: 18px; }
.obra:nth-child(even) { margin-top: clamp(0px, 9vw, 150px); }
.obra__arte { display: block; position: relative; overflow: hidden; border-radius: 18px; aspect-ratio: 4 / 3; transition: transform .8s var(--ease), border-radius .8s var(--ease); }
.obra__arte svg { width: 100%; height: 100%; transition: transform 1.1s var(--ease); }
.obra:hover .obra__arte { transform: scale(.975); border-radius: 30px; }
.obra:hover .obra__arte svg { transform: scale(1.06); }
.obra__meta { display: flex; flex-direction: column; gap: 4px; }
.obra__meta b { font: 500 clamp(1.5rem, 2.2vw, 2.1rem)/1 var(--serifa); letter-spacing: -.02em; }
.obra__meta span { color: var(--suave-escuro); font-size: .95rem; }
.cursor-ativo [data-cursor] { cursor: none; }

/* ---------- Cursor lupa / rótulo ---------- */
.cursor { position: fixed; left: 0; top: 0; z-index: 90; pointer-events: none; display: none; will-change: transform; }
.cursor-ativo .cursor { display: block; }
.cursor__lente {
  position: absolute; left: -110px; top: -110px; width: 220px; height: 220px; border-radius: 50%; overflow: hidden;
  background: var(--tinta); box-shadow: 0 0 0 3px var(--papel), 0 30px 60px -20px rgba(0, 0, 0, .6);
  transform: scale(0); transition: transform .45s var(--ease);
}
.cursor__zoom { position: absolute; left: 0; top: 0; transform-origin: 0 0; }
.cursor__zoom svg { width: 100%; height: 100%; }
.cursor__rotulo {
  position: absolute; left: 0; top: 0; padding: 10px 16px; border-radius: 999px; white-space: nowrap;
  background: var(--brasa); color: var(--tinta); font: 600 .9rem/1 var(--sans);
  transform: translate(-50%, -50%) scale(0); transition: transform .4s var(--ease);
}
.cursor.lupa .cursor__lente { transform: scale(1); }
.cursor.lupa .cursor__rotulo { transform: translate(-50%, 124px) scale(1); }
.cursor.rotulo .cursor__rotulo { transform: translate(-50%, -50%) scale(1); }

/* ---------- Lightbox ---------- */
.caixa { width: min(1100px, calc(100vw - 32px)); max-height: calc(100vh - 32px); padding: 0; border: 0; border-radius: 24px; background: var(--papel); color: var(--tinta); overflow: auto; }
.caixa::backdrop { background: rgba(11, 15, 20, .82); }
.caixa[open] { animation: caixa-abre .55s var(--ease); }
@keyframes caixa-abre { from { opacity: 0; transform: translateY(30px) scale(.97); } }
.caixa__in { position: relative; display: grid; grid-template-columns: 1.5fr 1fr; }
.caixa__arte svg { width: 100%; height: auto; }
.caixa__texto { display: flex; flex-direction: column; gap: 14px; padding: clamp(22px, 3vw, 40px); }
.caixa__texto h3 { font: 500 clamp(2rem, 3.4vw, 3rem)/1 var(--serifa); letter-spacing: -.03em; }
.caixa__texto p { color: var(--suave); }
.caixa__nav { display: flex; gap: 8px; margin-top: auto; flex-wrap: wrap; }
.caixa__nav .botao { min-height: 46px; padding: 0 18px; --botao-hover: var(--tinta); }
.caixa__nav .botao:hover { color: var(--papel); }
.caixa__fechar { position: absolute; top: 12px; right: 12px; z-index: 2; width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; background: var(--tinta); color: var(--papel); transition: transform .4s var(--ease); }
.caixa__fechar:hover { transform: rotate(90deg); }

/* ---------- Método: cartões que empilham ---------- */
.metodo { padding-bottom: clamp(60px, 8vw, 120px); }
.metodo__cabeca { display: grid; grid-template-columns: 1.4fr 1fr; gap: 12px 40px; align-items: end; margin-bottom: clamp(40px, 6vw, 80px); }
.metodo__cabeca .rotulo { grid-column: 1 / -1; }
.metodo__apoio { font: 300 clamp(1.15rem, 1.6vw, 1.45rem)/1.3 var(--serifa); color: var(--suave); }
.pilha { --topo-pilha: calc(var(--faixa-h) + var(--topo-h) + 30px); }
.carta { position: sticky; top: calc(var(--topo-pilha) + var(--i) * 16px); margin-bottom: 7vh; }
.carta:last-child { margin-bottom: 0; }
.carta__in {
  --sombra: 0;
  position: relative; display: grid; grid-template-columns: minmax(180px, .9fr) 1.6fr; gap: 24px clamp(24px, 4vw, 64px);
  min-height: min(60vh, 470px); padding: clamp(24px, 3.4vw, 52px); border-radius: 28px; overflow: hidden;
  background: var(--papel-2); color: var(--tinta);
  transform-origin: 50% 0; will-change: transform;
  box-shadow: 0 -20px 50px -30px rgba(22, 19, 15, .5);
}
.carta__in::after { content: ""; position: absolute; inset: 0; background: var(--tinta); opacity: calc(var(--sombra) * .45); pointer-events: none; }
.carta--b .carta__in { background: var(--tinta-2); color: var(--papel); }
.carta--c .carta__in { background: var(--brasa); }
.carta--d .carta__in { background: var(--areia); }
.carta--e .carta__in { background: var(--tinta); color: var(--papel); }
.carta__num { font: 300 italic clamp(5.5rem, 13vw, 13rem)/.8 var(--serifa); letter-spacing: -.06em; font-variation-settings: "opsz" 144; }
.carta--e .carta__num, .carta--b .carta__num { color: var(--brasa); }
.carta__corpo { display: flex; flex-direction: column; gap: 14px; align-self: end; }
.carta__prazo { align-self: flex-start; padding: 7px 12px; border-radius: 999px; box-shadow: inset 0 0 0 1px currentColor; font: 600 12px/1 var(--sans); letter-spacing: .1em; text-transform: uppercase; }
.carta h3 { font: 500 clamp(2.4rem, 5vw, 4.8rem)/.95 var(--serifa); letter-spacing: -.04em; }
.carta__corpo > p { max-width: 42ch; font-size: clamp(1rem, 1.3vw, 1.15rem); }
.carta__entrega { padding-top: 14px; border-top: 1px solid currentColor; font-size: .95rem; opacity: .9; }
.carta__entrega b { display: block; margin-bottom: 4px; font: 600 11px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; }

/* ---------- Perguntas ---------- */
.perguntas { display: grid; grid-template-columns: 1fr 1.5fr; gap: 32px clamp(32px, 6vw, 100px); align-items: start; padding-top: clamp(60px, 8vw, 120px); }
.pergunta { border-top: 1px solid rgba(22, 19, 15, .22); }
.pergunta:last-child { border-bottom: 1px solid rgba(22, 19, 15, .22); }
.pergunta summary {
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 24px 0; cursor: pointer; list-style: none;
  font: 500 clamp(1.25rem, 2vw, 1.75rem)/1.15 var(--serifa); letter-spacing: -.02em;
  transition: color .3s var(--ease);
}
.pergunta summary::-webkit-details-marker { display: none; }
.pergunta summary:hover { color: var(--brasa-2); }
.pergunta__mais { position: relative; flex: none; width: 40px; height: 40px; border-radius: 50%; box-shadow: inset 0 0 0 1.5px currentColor; transition: transform .5s var(--ease), background .3s; }
.pergunta__mais::before, .pergunta__mais::after { content: ""; position: absolute; left: 12px; right: 12px; top: 50%; height: 1.5px; margin-top: -.75px; background: currentColor; }
.pergunta__mais::after { transform: rotate(90deg); transition: transform .5s var(--ease); }
.pergunta[open] .pergunta__mais { transform: rotate(180deg); background: var(--brasa); }
.pergunta[open] .pergunta__mais::after { transform: rotate(0); }
.pergunta p { padding: 0 60px 26px 0; max-width: 60ch; color: var(--suave); }
.pergunta[open] p { animation: aparecer .6s var(--ease); }

/* ---------- CTA ---------- */
.cta { background: var(--brasa); color: var(--tinta); overflow: hidden; }
.cta .letreiro { padding-top: 28px; }
.cta__miolo { display: grid; grid-template-columns: 1.4fr 1fr; gap: 28px clamp(24px, 5vw, 80px); align-items: end; padding: clamp(40px, 6vw, 90px) var(--borda) clamp(80px, 10vw, 150px); }
.cta__titulo { grid-column: 1 / -1; font: 600 clamp(2.6rem, 7.4vw, 7.6rem)/.92 var(--serifa); letter-spacing: -.045em; font-variation-settings: "opsz" 144; text-wrap: balance; }
.cta__titulo em { font-weight: 300; }
.cta__apoio { max-width: 44ch; font-size: 1.12rem; }
.cta__miolo .botao { justify-self: start; }
.cta .botao--tinta { --botao-hover: var(--papel); }

/* ---------- Rodapé ---------- */
.rodape { padding: clamp(64px, 8vw, 120px) var(--borda) 24px; overflow: hidden; }
.rodape__colunas { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.rodape__colunas > div { display: flex; flex-direction: column; align-items: flex-start; }
.rodape__links { display: flex; flex-direction: column; margin-top: 16px; }
.rodape__links a { align-self: flex-start; font: 400 clamp(1.8rem, 3.2vw, 3rem)/1.15 var(--serifa); letter-spacing: -.03em; transition: transform .45s var(--ease), color .3s; }
.rodape__links a:hover { transform: translateX(10px); color: var(--brasa); }
.rodape__zap { display: inline-block; margin: 16px 0 22px; font: 400 italic clamp(2rem, 4vw, 3.6rem)/1 var(--serifa); color: var(--brasa); }
.rodape__zap:hover { text-decoration: underline; text-underline-offset: 6px; text-decoration-thickness: 2px; }
.rodape__aviso { max-width: 44ch; color: var(--suave-escuro); font-size: .95rem; }
.rodape__nome { margin: clamp(60px, 10vw, 160px) 0 26px; color: var(--papel); pointer-events: none; }
.rodape__nome .letra:nth-child(3n+2) { color: var(--brasa); }
.rodape__base { display: flex; justify-content: space-between; align-items: center; gap: 8px 20px; flex-wrap: wrap; font-size: .88rem; color: var(--suave-escuro); }
.rodape__base a { min-height: 44px; display: inline-flex; align-items: center; color: var(--papel); }
.rodape__base a:hover { color: var(--brasa); }

/* gancho de teste para screenshots headless (?teste) */
.teste *, .teste *::before, .teste *::after { animation-delay: -60s !important; animation-iteration-count: 1 !important; transition-duration: 0s !important; transition-delay: 0s !important; }

/* ---------- Reveal ---------- */
.anima .revelar { opacity: 0; transform: translateY(36px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.anima .revelar.visivel { opacity: 1; transform: none; }
.anima .trab__grade .obra:nth-child(even).revelar { transition-delay: .12s; }

/* ---------- Responsivo ---------- */
@media (max-width: 1100px) {
  .topo__nav { display: none; }
  .sistema__grade { grid-template-columns: 1fr 1fr; }
  .paleta { grid-column: 1 / -1; }
  .tipo { grid-column: 1 / -1; grid-row: auto; }
  .construcao, .tom { grid-column: auto; }
  .ad__notas { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 899px) {
  .hero__frase { left: var(--borda); right: var(--borda); top: auto; bottom: 12vh; max-width: none; transform: none; font-size: clamp(1.9rem, 8.4vw, 3rem); }
  .selo { --s: min(84vw, 50vh); transform: translate(-50%, 10%); }
  .ad__cabeca, .metodo__cabeca, .perguntas, .cta__miolo { grid-template-columns: 1fr; }
  .caixa__in { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  :root { --faixa-h: 34px; --topo-h: 56px; }
  body { font-size: 16px; }
  .vexa-faixa { font-size: 11.5px; gap: 8px; }
  .topo { top: calc(var(--faixa-h) + 8px); padding: 0 6px 0 14px; }
  .topo__logo { font-size: 1.25rem; }
  .marca-simbolo { width: 30px; height: 30px; }
  .topo__cta { min-height: 44px; padding: 0 18px; }
  .botao { min-height: 48px; padding: 0 20px; }
  .hero__palco { padding-top: calc(var(--faixa-h) + var(--topo-h) + 26px); }
  .hero__sobre { flex-direction: column; gap: 6px; letter-spacing: .12em; }
  .hero__linha { flex-direction: column; align-items: flex-start; gap: 18px; }
  .hero__rolar { display: none; }
  .hero:not(.hero--animada) .hero__palco { height: auto; min-height: 0; }
  .hero:not(.hero--animada) .selo { position: relative; left: auto; bottom: auto; transform: none; margin: 36px auto -22%; }
  .letreiro--brasa { transform: rotate(-3deg); }
  .manifesto__texto { font-size: clamp(1.35rem, 6vw, 1.7rem); }
  .ba__alca { width: 48px; height: 48px; margin: -24px 0 0 -24px; }
  .ad__notas { grid-template-columns: 1fr; }
  .sistema__grade { grid-template-columns: 1fr; }
  .paleta__lista { flex-direction: column; height: auto; gap: 8px; }
  .paleta__lista li { flex: none; height: 64px; }
  .paleta__amostra { transform: scaleX(0); transform-origin: 0 50%; }
  .paleta__lista b { bottom: auto; top: 14px; }
  .paleta__lista code { bottom: auto; top: 36px; }
  .trab__grade { grid-template-columns: 1fr; gap: 48px; }
  .obra:nth-child(even) { margin-top: 0; }
  .carta { top: calc(var(--topo-pilha) + var(--i) * 10px); margin-bottom: 4vh; }
  .carta__in { grid-template-columns: 1fr; min-height: min(70vh, 520px); align-content: space-between; border-radius: 22px; }
  .carta h3 { font-size: clamp(2.2rem, 11vw, 3rem); }
  .pergunta p { padding-right: 0; }
  .rodape__colunas { grid-template-columns: 1fr; }
  .rodape__base { flex-direction: column; align-items: flex-start; gap: 0; }
}
@media (max-width: 400px) {
  .vexa-faixa__txt strong { letter-spacing: .04em; }
  .vexa-faixa { font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .tipo__pesos span, .tom__exemplo, .paleta__amostra, .tipo__A, .tipo__a, .paleta__lista b, .paleta__lista code, .tipo__alfabeto .c, .tipo__esc, .tom__lista span, .tom__lista s { opacity: 1 !important; transform: none !important; }
  .tipo__escala li::before, .tom__lista s::after { transform: none !important; }
  .construcao .traco > * { stroke-dashoffset: 0 !important; }
  .construcao .guia { opacity: .55; }
  .construcao .cota { opacity: .8; }
  .manifesto__risco path { stroke-dashoffset: 0; }
  .manifesto__texto .p { opacity: 1; }
}