/* ==========================================================================
   CATÁLOGO FOUR — Modelo 2 (proposta autoral: editorial escuro)
   ========================================================================== */

:root{
  --vermelho:#ef453d;
  --vermelho-claro:#ff6a52;
  --preto:#0e1011;
  --preto-2:#141718;
  --preto-3:#1b1f20;
  --branco:#ffffff;
  --cinza:#9aa0a1;
  --cinza-claro:#d7dbdb;
  --linha:rgba(255,255,255,.09);
  --topo-h:64px;
  --fonte:'Poppins','Segoe UI',system-ui,-apple-system,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--fonte);background:var(--preto);color:var(--branco);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}

/* ---------- progresso / topo / índice ---------- */
.progresso{position:fixed;top:0;left:0;right:0;height:2px;z-index:60;background:rgba(255,255,255,.07)}
.progresso span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--vermelho),var(--vermelho-claro));transition:width .15s linear}

.topo{
  position:fixed;top:0;left:0;right:0;height:var(--topo-h);z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 clamp(16px,3vw,44px);
  background:rgba(14,16,17,.78);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--linha);
  transform:translateY(-100%);transition:transform .45s cubic-bezier(.19,1,.22,1);
}
.topo.visivel{transform:translateY(0)}
.topo__marca img{height:24px;width:auto}
.topo__pagina{font-size:11px;letter-spacing:.3em;color:var(--cinza);font-weight:500}
.topo__pagina span{color:var(--branco)}
.topo__btn{
  position:relative;display:flex;align-items:center;gap:12px;padding-right:26px;
  background:none;border:0;cursor:pointer;color:var(--branco);font-family:var(--fonte);
}
.topo__btn em{font-style:normal;font-size:10px;letter-spacing:.26em;text-transform:uppercase;color:var(--cinza)}
.topo__btn span{position:absolute;right:0;display:block;height:1px;background:var(--branco);transition:.3s}
.topo__btn span:nth-of-type(1){width:20px;top:calc(50% - 6px)}
.topo__btn span:nth-of-type(2){width:13px;top:50%}
.topo__btn span:nth-of-type(3){width:7px;top:calc(50% + 6px)}
.topo__btn:hover span{width:20px;background:var(--vermelho)}

.indice{
  position:fixed;inset:0;z-index:70;background:var(--preto);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:.4s;padding:90px 24px 40px;overflow-y:auto;
}
.indice.aberto{opacity:1;visibility:visible}
.indice__fechar{position:absolute;top:16px;right:clamp(16px,3vw,44px);background:none;border:0;color:var(--branco);font-size:38px;line-height:1;cursor:pointer}
.indice__fechar:hover{color:var(--vermelho)}
.indice__conteudo{width:min(900px,100%)}
.indice__titulo{font-size:10px;letter-spacing:.4em;text-transform:uppercase;color:var(--vermelho);margin-bottom:26px}
.indice__lista li a{display:flex;gap:22px;align-items:baseline;padding:14px 0;border-bottom:1px solid var(--linha);transition:.25s}
.indice__lista li a:hover{padding-left:12px;border-color:var(--vermelho)}
.indice__num{font-size:12px;font-weight:600;color:var(--vermelho);min-width:32px;letter-spacing:.1em}
.indice__nomes{display:flex;flex-wrap:wrap;gap:4px 20px}
.indice__nomes em{font-style:normal;font-size:clamp(15px,2.2vw,21px);font-weight:500}

/* ==========================================================================
   CAPA
   ========================================================================== */
.capa{
  position:relative;overflow:hidden;
  min-height:100vh;min-height:100dvh;
  display:flex;flex-direction:column;justify-content:space-between;
  padding:clamp(22px,4vh,46px) clamp(20px,5vw,72px);
  background:radial-gradient(120% 100% at 50% 0%, #1c2122 0%, var(--preto) 62%);
}
.capa__grade{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(to right, var(--linha) 1px, transparent 1px),
    linear-gradient(to bottom, var(--linha) 1px, transparent 1px);
  background-size:min(20vw,180px) min(20vw,180px);
  mask-image:radial-gradient(120% 80% at 50% 45%, #000 20%, transparent 78%);
  -webkit-mask-image:radial-gradient(120% 80% at 50% 45%, #000 20%, transparent 78%);
}
.capa__brilho{
  position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);
  width:min(90vw,900px);aspect-ratio:1;pointer-events:none;
  background:radial-gradient(circle, rgba(239,69,61,.20) 0%, transparent 62%);
  filter:blur(10px);
}
.capa__topo{
  position:relative;z-index:2;display:flex;align-items:center;gap:18px;
  font-size:10px;letter-spacing:.34em;text-transform:uppercase;color:var(--cinza);
}
.capa__linha{flex:1;height:1px;background:var(--linha)}
.capa__centro{
  position:relative;z-index:2;text-align:center;
  display:flex;flex-direction:column;align-items:center;
  animation:sobe 1.1s cubic-bezier(.19,1,.22,1) both;
}
.capa__logo{
  width:min(34vw,50vh,420px);height:auto;
  filter:drop-shadow(0 24px 70px rgba(239,69,61,.28));
}
.capa__titulo{
  margin-top:clamp(20px,3.4vh,38px);
  font-size:clamp(30px,6.6vw,86px);font-weight:200;line-height:1;letter-spacing:-.02em;
}
.capa__titulo::after{
  content:"";display:block;width:64px;height:2px;background:var(--vermelho);
  margin:clamp(16px,2.6vh,26px) auto 0;
}
.capa__sub{
  margin-top:clamp(14px,2vh,20px);
  font-size:clamp(11px,1.1vw,14px);letter-spacing:.28em;text-transform:uppercase;
  color:var(--cinza);max-width:34ch;
}
.capa__rodape{
  position:relative;z-index:2;
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.capa__rolar{display:flex;flex-direction:column;gap:12px;font-size:10px;letter-spacing:.28em;text-transform:uppercase;color:var(--cinza)}
.capa__rolar i{display:block;width:1px;height:46px;background:linear-gradient(var(--vermelho),transparent);animation:pulsa 2s infinite}
.capa__rolar:hover{color:var(--branco)}
.capa__numeros{display:flex;gap:clamp(20px,4vw,54px)}
.capa__numeros b{display:block;font-size:clamp(26px,3.4vw,42px);font-weight:600;line-height:1}
.capa__numeros span{font-size:10px;letter-spacing:.26em;text-transform:uppercase;color:var(--cinza)}

@keyframes pulsa{0%,100%{opacity:.3;transform:scaleY(.6)}50%{opacity:1;transform:scaleY(1)}}
@keyframes sobe{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}

/* ==========================================================================
   PÁGINAS — 2 produtos por página
   ========================================================================== */
.pag{
  position:relative;overflow:hidden;
  min-height:100vh;min-height:100dvh;
  display:flex;flex-direction:column;
  padding:clamp(70px,9vh,110px) clamp(20px,5vw,72px) clamp(28px,5vh,56px);
  border-top:1px solid var(--linha);
  background:var(--preto);
}
.pag:nth-child(odd){background:var(--preto-2)}
.pag__fundo{
  position:absolute;right:-2vw;bottom:-6vh;z-index:0;
  font-size:clamp(180px,30vw,460px);font-weight:700;line-height:.75;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.05);
  pointer-events:none;user-select:none;
}
.pag__cabecalho{
  position:relative;z-index:2;display:flex;align-items:center;gap:18px;
  font-size:10px;letter-spacing:.32em;text-transform:uppercase;color:var(--cinza);
  margin-bottom:clamp(18px,3vh,34px);
}
.pag__traco{flex:1;height:1px;background:var(--linha)}
.pag__indice{color:var(--vermelho)}

.pag__itens{
  position:relative;z-index:2;flex:1;
  display:grid;grid-template-columns:repeat(2,1fr);
  gap:clamp(18px,2.6vw,42px);
  align-items:stretch;
}
.pag__itens .cartao:only-child{grid-column:1 / -1;max-width:1100px;margin:0 auto;width:100%}

.cartao{
  display:grid;grid-template-rows:1fr auto;
  background:linear-gradient(160deg, rgba(255,255,255,.045), rgba(255,255,255,.012));
  border:1px solid var(--linha);border-radius:22px;overflow:hidden;
  opacity:0;transform:translateY(26px);
  transition:opacity .8s ease var(--atraso,0ms),transform .9s cubic-bezier(.19,1,.22,1) var(--atraso,0ms),border-color .4s;
}
.cartao.revelado{opacity:1;transform:none}
.cartao:hover{border-color:rgba(239,69,61,.5)}

.cartao__palco{
  position:relative;display:flex;align-items:center;justify-content:center;
  padding:clamp(16px,2.4vw,36px);min-height:0;overflow:hidden;
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,0) 62%);
}
/* linha de chão discreta */
.cartao__arco{
  position:absolute;left:50%;bottom:10%;transform:translateX(-50%);
  width:min(66%,360px);height:1px;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,.16), transparent);
}
/* --p = altura do produto dentro do arquivo; --dx = desvio do centro.
   A imagem é ampliada para que o PRODUTO tenha sempre a mesma altura e
   deslocada para que ele fique no meio — sem cortar nem redimensionar a arte.
   A base é a altura da TELA (vh), estável em qualquer navegador/notebook —
   ao contrário de container queries, que em telas baixas encolhiam a imagem. */
.cartao__palco img{
  position:relative;z-index:2;
  --p:.75; --dx:0;
  height:calc(clamp(190px, 30vh, 340px) / var(--p));
  width:auto;max-width:none;object-fit:contain;
  transform:translateX(calc(var(--dx) * -100%));
  transition:transform .8s cubic-bezier(.19,1,.22,1);
}
.cartao:hover .cartao__palco img{
  transform:translateX(calc(var(--dx) * -100%)) translateY(-8px) scale(1.03);
}
.cartao__ordem{
  position:absolute;top:clamp(12px,1.6vw,20px);left:clamp(14px,1.8vw,24px);z-index:3;
  font-size:11px;font-weight:700;letter-spacing:.18em;color:rgba(255,255,255,.7);
}

.cartao__info{
  padding:clamp(18px,2.2vw,34px);
  border-top:1px solid var(--linha);
  background:rgba(0,0,0,.22);
}
.cartao__cat{
  display:inline-block;font-size:9px;letter-spacing:.28em;text-transform:uppercase;font-weight:600;
  color:var(--vermelho);border:1px solid rgba(239,69,61,.42);border-radius:99px;padding:5px 12px;
  margin-bottom:14px;
}
.cartao__nome{
  font-size:clamp(19px,1.9vw,30px);font-weight:600;line-height:1.14;letter-spacing:-.01em;
  text-wrap:balance;margin-bottom:10px;
}
.cartao__desc{
  font-size:clamp(12px,.92vw,14.5px);line-height:1.62;color:var(--cinza-claro);font-weight:300;
  margin-bottom:clamp(12px,1.6vw,20px);
}
.cartao__espec{margin-bottom:clamp(12px,1.6vw,20px)}
.cartao__espec div{
  display:flex;justify-content:space-between;gap:14px;align-items:baseline;
  padding:7px 0;border-bottom:1px dashed rgba(255,255,255,.09);
}
.cartao__espec dt{font-size:11.5px;color:var(--cinza);font-weight:300}
.cartao__espec dd{font-size:12px;font-weight:500;text-align:right}
/* linha sem separador: texto único ocupando a largura toda */
.cartao__espec .espec--simples dt{font-size:12px;color:var(--cinza-claro);font-weight:400}
.cartao__rodape{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;
  border-top:1px solid var(--linha);padding-top:clamp(10px,1.4vw,16px);
}
.cartao__preco{font-size:clamp(15px,1.35vw,21px);font-weight:700;color:var(--vermelho)}
.cartao__cod{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--cinza)}

.pag--vazia{align-items:center;justify-content:center;text-align:center;color:var(--cinza);line-height:1.9}
.pag--vazia a{color:var(--vermelho);text-decoration:underline}

/* ---------- tablet ---------- */
@media (max-width:1024px){
  .cartao__palco img{max-height:34vh}
}

/* ---------- celular: os 2 itens continuam na mesma página, empilhados ---------- */
@media (max-width:820px){
  .pag{min-height:0;padding:76px 18px 34px}
  .pag__itens{grid-template-columns:1fr;gap:20px}
  .cartao{scroll-snap-align:start;grid-template-rows:auto auto}
  .cartao__palco{padding:30px 18px}
  /* a imagem define a própria altura (pela tela); na tela estreita a largura
     manda quando o produto é largo, mantendo-o inteiro e centralizado */
  .cartao__palco img{height:calc(clamp(200px, 34vh, 300px) / var(--p));max-width:70%}
  .cartao__nome{font-size:22px}
  .cartao__desc{font-size:13.5px}
  .capa__rodape{flex-direction:column;align-items:flex-start;gap:26px}
}

/* ==========================================================================
   CONTRACAPA
   ========================================================================== */
.fim{
  position:relative;overflow:hidden;
  min-height:100vh;min-height:100dvh;
  display:flex;align-items:center;justify-content:center;
  padding:100px 24px 60px;
  background:radial-gradient(120% 100% at 50% 100%, #1c2122 0%, var(--preto) 60%);
}
.fim__centro{position:relative;z-index:2;text-align:center;max-width:820px;width:100%}
.fim__logo{width:min(30vw,260px);margin:0 auto clamp(18px,3vw,30px)}
.fim__frase{font-size:clamp(14px,1.5vw,20px);font-weight:300;color:var(--cinza-claro);margin-bottom:clamp(28px,4vw,44px)}
.fim__contato{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));
  gap:clamp(14px,2vw,26px);text-align:left;
  border-top:1px solid var(--linha);border-bottom:1px solid var(--linha);
  padding:clamp(18px,2.6vw,30px) 0;margin-bottom:30px;
}
.fim__contato b{display:block;font-size:9px;letter-spacing:.3em;text-transform:uppercase;color:var(--vermelho);margin-bottom:6px}
.fim__contato span{font-size:14.5px;font-weight:500}
.fim__topo{
  display:inline-block;font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:var(--cinza);
  border-bottom:1px solid var(--vermelho);padding-bottom:4px;margin-bottom:26px;
}
.fim__topo:hover{color:var(--branco)}
.fim__rodape{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.35)}

@media print{
  .topo,.indice,.progresso,.capa__rolar,.fim__topo{display:none!important}
  .pag,.capa,.fim{page-break-after:always}
  .cartao{opacity:1!important;transform:none!important}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .cartao{opacity:1;transform:none}
}