/* cu · Cuidados (esmalte) */
.cu { --cu-sangra: calc((100vw - min(var(--largura), 100vw - 2 * var(--margem))) / 2); }

/* ---------- topo ---------- */
.cu-topo { max-width: 52rem; margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.cu-topo .wf-h2 { max-width: 17ch; }
.cu-intro { margin-top: var(--e-3); max-width: 34rem; }

/* ---------- mesa: índice + palco ---------- */
.cu-mesa { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(2rem, 4.5vw, 4.5rem); align-items: start; }

.cu-indice { position: sticky; top: max(1.5rem, 6vh); }
.cu-abas { display: grid; }
.cu-aba, .cu-hmi { position: relative; display: grid; grid-template-columns: 2.6rem 1fr; column-gap: .4rem; row-gap: .15rem; align-items: baseline;
  padding: 1rem 1rem 1rem .2rem; text-decoration: none; color: var(--tinta); border-top: 1px solid var(--linha-clara); min-height: 48px;
  transition: color .3s, background-color .4s, padding .5s var(--curva); border-radius: 0; }
.cu-aba-n { grid-row: 1 / 3; font-family: var(--f-titulo); font-style: italic; font-weight: 600; font-size: 1.05rem; color: color-mix(in oklab, var(--tinta) 40%, transparent); transition: color .3s; }
.cu-aba-tema { font-size: var(--t-rotulo); letter-spacing: .16em; text-transform: uppercase; font-weight: 500; color: var(--tinta-suave); }
.cu-aba-q { font-family: var(--f-titulo); font-weight: 500; font-size: 1.12rem; line-height: 1.22; text-wrap: balance; }
.cu-aba:hover .cu-aba-q { color: var(--rosa-escuro); }
.cu-aba[aria-selected="true"] { background: var(--papel-2); padding-left: 1rem; border-radius: 16px; border-top-color: transparent;
  box-shadow: 0 18px 40px -26px rgb(42 20 24 / .4), 0 0 0 1px var(--linha-clara); }
.cu-aba[aria-selected="true"] + .cu-aba { border-top-color: transparent; }
.cu-aba[aria-selected="true"] .cu-aba-n { color: var(--rosa-escuro); }
.cu-aba[aria-selected="true"] .cu-aba-q { color: var(--tinta); }
/* gota marcando a dúvida aberta */
.cu-aba::before { content: ""; position: absolute; left: -1.6rem; top: 50%; width: 16px; height: 16px; margin-top: -8px; border-radius: 0 50% 50% 50%;
  background: radial-gradient(circle at 62% 62%, #ffd9e8, var(--rosa) 52%, #b8346b); box-shadow: 0 0 0 4px color-mix(in oklab, var(--rosa) 18%, transparent);
  transform: rotate(45deg) scale(0); transition: transform .6s var(--curva); }
.cu-aba[aria-selected="true"]::before { transform: rotate(45deg) scale(1); }
.cu-hmi { border-top: 1px dashed color-mix(in oklab, var(--tinta) 30%, transparent); margin-top: .4rem; }
.cu-hmi .cu-aba-q { font-size: 1rem; color: var(--rosa-escuro); }
.cu-hmi:hover .cu-aba-q { text-decoration: underline; text-underline-offset: 3px; }

/* palco do tema */
.cu-tema { position: relative; }
.js .cu-tema[hidden] { display: none; }
.cu-foto { position: relative; aspect-ratio: 16 / 9; margin-right: calc(-1 * var(--cu-sangra)); border-radius: var(--raio) 0 0 var(--raio);
  background: #e9ddd5; box-shadow: 0 30px 70px -40px rgb(42 20 24 / .35); }
.cu-foto > img { object-position: 50% 50%; }
#cu-biofilme .cu-foto > img { object-position: 50% 38%; }
.cu-pilula { position: absolute; z-index: 2; left: 1rem; top: 1rem; margin: 0; pointer-events: none; }
.cu-q { font-size: var(--t-h3); line-height: 1.12; max-width: 24ch; }
.cu-fala { margin-top: var(--e-2); padding-left: 1.1rem; border-left: 2px solid color-mix(in oklab, var(--rosa) 70%, transparent); color: var(--tinta); max-width: 38rem; }

.cu-tres { list-style: none; padding: 0; margin: var(--e-4) 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--e-3) clamp(1.2rem, 2.4vw, 2.2rem); counter-reset: cu; }
.cu-tres li { counter-increment: cu; padding-top: var(--e-2); border-top: 1px solid var(--linha-clara); font-size: .95rem; line-height: 1.5; color: var(--tinta-suave); }
.cu-tres li::before { content: counter(cu); display: block; font-family: var(--f-titulo); font-style: italic; font-weight: 600; font-size: 2.2rem; line-height: 1; color: var(--rosa-escuro); margin-bottom: .6rem; }
.cu-tres strong { display: block; margin-bottom: .4rem; font-family: var(--f-titulo); font-weight: 600; font-size: 1.06rem; line-height: 1.25; color: var(--tinta); }

/* lâmina da receita (tema sem foto) */
.cu-lamina { position: relative; aspect-ratio: 16 / 9; margin-right: calc(-1 * var(--cu-sangra)); border-radius: var(--raio) 0 0 var(--raio); overflow: hidden;
  display: flex; flex-direction: column; justify-content: center; gap: var(--e-3); padding: clamp(1.6rem, 4vw, 4rem) calc(var(--cu-sangra) + clamp(1.6rem, 4vw, 4rem)) clamp(1.6rem, 4vw, 4rem) clamp(1.6rem, 4vw, 4rem);
  background: radial-gradient(70% 90% at 85% 10% in oklab, color-mix(in oklab, var(--rosa) 30%, transparent), transparent 70%), radial-gradient(60% 80% at 0% 100% in oklab, #4a2029, transparent 70%), var(--noite);
  color: var(--esmalte); box-shadow: 0 30px 70px -40px rgb(42 20 24 / .45); }
.cu-lamina-rot { display: inline-flex; align-items: center; gap: .6rem; font-size: var(--t-rotulo); letter-spacing: .16em; text-transform: uppercase; color: var(--rosa-claro); }
.cu-receita { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; counter-reset: none; }
.cu-receita li { display: grid; grid-template-columns: 2.2rem 1fr; align-items: center; column-gap: .9rem;
  font-family: var(--f-titulo); font-weight: 500; font-size: clamp(1.15rem, .85rem + 1.25vw, 2.1rem); line-height: 1.1; }
.cu-receita li::before { content: ""; justify-self: center; width: 2.2rem; height: 2.2rem; display: grid; place-items: center; border-radius: 50%;
  font-family: var(--f-texto); font-style: normal; font-weight: 500; font-size: 1.15rem; line-height: 1; color: var(--rosa-claro);
  border: 1px solid color-mix(in oklab, var(--rosa-claro) 45%, transparent); }
.cu-receita li:first-child::before { content: ""; border: 0; width: 12px; height: 12px; background: radial-gradient(circle at 35% 35%, #ffd3e4, var(--rosa) 60%); box-shadow: 0 0 0 4px color-mix(in oklab, var(--rosa) 22%, transparent); }
.cu-receita li:nth-child(2)::before, .cu-receita li:nth-child(3)::before { content: "+"; }
.cu-receita li:last-child::before { content: "="; background: var(--rosa-claro); color: var(--noite); border-color: var(--rosa-claro); }
.cu-receita .cu-receita-fim { font-style: italic; font-weight: 600; color: var(--rosa-claro); margin-top: .3rem; }
.cu-grifo { position: relative; z-index: 0; background: none; color: inherit; }
.cu-grifo::before { content: ""; position: absolute; z-index: -1; left: -.12em; right: -.12em; bottom: .02em; height: .5em; border-radius: .3em; transform-origin: left; transform: scaleX(0);
  background: color-mix(in oklab, var(--rosa) 55%, transparent); transition: transform 1s var(--curva) .7s; }
.cu-tema:not([hidden]) .cu-grifo::before { transform: none; }
.cu-tema.cu-entra .cu-receita li { animation: cu-sobe .8s var(--curva) both; }
.cu-tema.cu-entra .cu-receita li:nth-child(2) { animation-delay: .12s; }
.cu-tema.cu-entra .cu-receita li:nth-child(3) { animation-delay: .24s; }
.cu-tema.cu-entra .cu-receita li:nth-child(4) { animation-delay: .36s; }

/* cartão da pergunta, sobreposto à foto */
.cu-cartao { position: relative; z-index: 3; margin: calc(-1 * clamp(3rem, 6vw, 5.5rem)) 0 0 clamp(-1rem, -1.5vw, 0rem); max-width: 40rem;
  padding: clamp(1.2rem, 2.4vw, 2rem) clamp(1.2rem, 2.6vw, 2.2rem); border-radius: 20px; background: var(--papel-2);
  box-shadow: 0 30px 60px -36px rgb(42 20 24 / .45), 0 0 0 1px var(--linha-clara); }
.cu-resposta { padding-top: 0; }

.cu-fecho { margin-top: var(--e-3); font-family: var(--f-titulo); font-weight: 600; font-size: 1.15rem; }
.cu-fecho .wf-suave { display: block; margin-top: .3rem; font-family: var(--f-texto); font-weight: 400; font-size: .95rem; }
.cu-pe { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--e-2) var(--e-3); margin-top: var(--e-4); padding-top: var(--e-2); border-top: 1px solid var(--linha-clara); }
.cu-pe .cu-fonte { margin: 0; }
.cu-prox { display: inline-flex; align-items: center; gap: .6rem; min-height: 48px; padding: .6rem 1.1rem .6rem 1.2rem; border-radius: 99px; border: 1px solid color-mix(in oklab, var(--tinta) 22%, transparent);
  background: transparent; color: var(--tinta); font: 500 .95rem/1.2 var(--f-texto); cursor: pointer; transition: background-color .3s, color .3s, border-color .3s; }
.cu-prox b { font-family: var(--f-titulo); font-weight: 600; font-size: 1.02rem; }
.cu-prox span[aria-hidden] { color: var(--rosa-escuro); transition: transform .3s var(--curva); }
.cu-prox:hover { background: var(--noite); color: var(--esmalte); border-color: var(--noite); }
.cu-prox:hover span[aria-hidden] { color: var(--rosa-claro); transform: translateX(3px); }
.cu-fonte { margin-top: var(--e-3); font-size: .8rem; letter-spacing: .04em; color: var(--tinta-suave); }

/* entrada da resposta a cada troca */
.cu-tema.cu-entra .cu-resposta > * { animation: cu-sobe .8s var(--curva) both; }
.cu-tema.cu-entra .cu-resposta > :nth-child(2) { animation-delay: .08s; }
.cu-tema.cu-entra .cu-resposta > :nth-child(3) { animation-delay: .16s; }
.cu-tema.cu-entra .cu-resposta > :nth-child(n+4) { animation-delay: .24s; }
@keyframes cu-sobe { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ---------- celular e tablet ---------- */
@media (max-width: 960px) {
  .cu-mesa { grid-template-columns: minmax(0, 1fr); gap: var(--e-3); }
  .cu-indice { position: static; margin: 0 calc(-1 * var(--margem)); }
  .cu-abas { display: flex; gap: .6rem; overflow-x: auto; padding: .4rem var(--margem) .9rem; scroll-snap-type: x mandatory; scrollbar-width: none; scroll-padding: 0 var(--margem); }
  .cu-abas::-webkit-scrollbar { display: none; }
  .cu-aba { flex: none; scroll-snap-align: start; display: flex; align-items: center; gap: .5rem; padding: .7rem 1.05rem; border: 1px solid var(--linha-clara); border-radius: 99px; background: color-mix(in oklab, var(--papel-2) 70%, transparent); }
  .cu-aba .cu-aba-q { display: none; }
  .cu-aba-n { font-size: .95rem; }
  .cu-aba-tema { font-size: .8rem; letter-spacing: .1em; color: var(--tinta); white-space: nowrap; }
  .cu-aba::before { display: none; }
  .cu-aba[aria-selected="true"] { padding-left: 1.05rem; background: var(--noite); border-color: var(--noite); border-radius: 99px; box-shadow: none; }
  .cu-aba[aria-selected="true"] .cu-aba-tema, .cu-aba[aria-selected="true"] .cu-aba-n { color: var(--esmalte); }
  .cu-aba[aria-selected="true"] + .cu-aba { border-top-color: var(--linha-clara); }
  .cu-hmi { display: none; }
  .cu-abas { -webkit-mask-image: linear-gradient(to right, transparent 0, #000 var(--cu-fe, 0px), #000 calc(100% - var(--cu-fd, 2.5rem)), transparent 100%);
    mask-image: linear-gradient(to right, transparent 0, #000 var(--cu-fe, 0px), #000 calc(100% - var(--cu-fd, 2.5rem)), transparent 100%); }
  .cu-pe { flex-direction: column; align-items: stretch; }
  .cu-prox { justify-content: flex-start; align-self: flex-start; }
  .cu-foto, .cu-lamina { margin: 0 calc(-1 * var(--margem)); border-radius: 0; aspect-ratio: 4 / 3; }
  .cu-lamina { aspect-ratio: auto; min-height: 21rem; padding: 2rem var(--margem) 4.5rem; }
  .cu-cartao { margin: -2.5rem 0 0; }
  .cu-tres { grid-template-columns: minmax(0, 1fr); }
  .cu-tres li { position: relative; padding-left: 2.6rem; }
  .cu-tres li::before { position: absolute; left: 0; top: var(--e-2); font-size: 1.8rem; }
  .cu-pilula { left: var(--margem); right: auto; top: .8rem; max-width: calc(100% - 2 * var(--margem)); }
}
.cu-hmi-celular { display: none; }
@media (max-width: 960px) { .cu-hmi-celular { display: grid; margin-top: var(--e-4); } }

@media (prefers-reduced-motion: reduce) {
  .cu-tema.cu-entra .cu-resposta > *, .cu-tema.cu-entra .cu-receita li { animation: none; }
  .cu-grifo::before { transition: none; }
  .cu-aba, .cu-aba::before { transition: none; }
}
.cu-nb { white-space: nowrap; }
@media (min-width: 961px) and (max-width: 1200px) {
  .cu-tres { grid-template-columns: minmax(0, 1fr); gap: var(--e-2); }
  .cu-tres li { position: relative; padding-left: 2.8rem; }
  .cu-tres li::before { position: absolute; left: 0; top: var(--e-2); font-size: 1.9rem; }
}