/* ============================================================
   Liftderma — oferta.liftderma.com.br
   Direção: "ficha técnica". A página empresta o vocabulário do
   dossiê laboratorial do produto — rótulos, filetes, tabelas —
   e reserva o único tom quente para a pele e para o botão.
   Elemento-assinatura: a linha de tensão (curva que estica),
   que traduz o filme elástico do Instensyl.
   ============================================================ */

:root{
  /* cor */
  --tinta:#0C1B2A;
  --clinico:#1657A8;
  --clinico-esc:#0A2E5C;
  --porcelana:#EDEFF2;
  --folha:#FFFFFF;
  --pele:#C98A62;
  --pele-clara:#E8CDBC;
  --grafite:#3E4854;
  --linha:#D5DAE0;
  --linha-forte:#B9C2CC;

  /* tipografia */
  --display:"Schibsted Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;

  /* medidas */
  --gut:24px;
  --max:1180px;
  --rule:1px solid var(--linha);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  background:var(--porcelana);
  color:var(--grafite);
  font-family:var(--display);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--clinico);outline-offset:3px}

/* ---------- tipografia ---------- */
h1,h2,h3{
  font-family:var(--display);
  color:var(--tinta);
  font-weight:600;
  letter-spacing:-.028em;
  line-height:1.04;
  margin:0 0 .45em;
  text-wrap:balance;
}
h1{font-size:clamp(2.4rem,5.6vw,4rem)}
h2{font-size:clamp(1.75rem,3.4vw,2.6rem)}
h3{font-size:1.05rem;line-height:1.25;letter-spacing:-.015em}
p{margin:0 0 1em;max-width:62ch}

/* a serifa aparece só em itálico, uma vez por seção: é a "voz da pele" */
.voz{
  font-family:var(--serif);
  font-style:italic;
  font-size:clamp(1.05rem,2vw,1.35rem);
  line-height:1.4;
  color:var(--tinta);
  max-width:34ch;
}

/* rótulo de dossiê */
.rotulo{
  font-size:.68rem;
  font-weight:600;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--clinico);
  margin:0 0 18px;
  display:flex;
  align-items:center;
  gap:10px;
}
.rotulo::after{content:"";flex:1;height:1px;background:var(--linha-forte);max-width:120px}
.rotulo--claro{color:var(--pele-clara)}
.rotulo--claro::after{background:rgba(255,255,255,.28)}

.lead{font-size:1.06rem;color:var(--grafite);max-width:54ch}

/* ---------- estrutura ---------- */
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.sec{padding:clamp(56px,7vw,104px) 0;border-top:var(--rule)}
.sec--sem-filete{border-top:0}

/* colunas assimétricas: rótulo à esquerda, conteúdo à direita */
.duo{display:grid;grid-template-columns:minmax(180px,240px) 1fr;gap:clamp(28px,5vw,72px)}
.duo__aside{position:sticky;top:96px;align-self:start}
@media(max-width:820px){
  .duo{grid-template-columns:1fr;gap:24px}
  .duo__aside{position:static}
}

/* ---------- barra e cabeçalho ---------- */
.topbar{
  background:var(--tinta);color:#D9E2EC;
  font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  text-align:center;padding:10px 16px
}
.topbar strong{color:var(--pele-clara);font-weight:600}

.header{
  position:sticky;top:0;z-index:40;
  background:rgba(237,239,242,.9);backdrop-filter:saturate(150%) blur(8px);
  border-bottom:var(--rule)
}
.header__in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:62px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{width:30px;height:30px;border-radius:50%}
.brand span{
  font-weight:700;font-size:1rem;color:var(--tinta);
  letter-spacing:.14em;text-transform:uppercase
}
.header .btn{padding:10px 18px;font-size:.8rem}
@media(max-width:600px){.header .btn{display:none}}

/* ---------- botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;flex-direction:column;
  gap:2px;background:var(--pele);color:#1A0F07;
  font-family:var(--display);font-weight:600;font-size:1rem;letter-spacing:-.01em;
  text-decoration:none;padding:16px 30px;border:0;border-radius:2px;cursor:pointer;
  transition:background .15s ease,transform .15s ease
}
.btn:hover{background:#B87950;transform:translateY(-1px)}
.btn:active{transform:none}
.btn--escuro{background:var(--tinta);color:#fff}
.btn--escuro:hover{background:#16304A}
.btn--bloco{width:100%}
.btn__rot{display:block;white-space:nowrap}
.btn__sub{font-size:.72rem;font-weight:500;opacity:.7;letter-spacing:.02em}

/* ---------- assinatura: linha de tensão ---------- */
.tensao{display:block;width:min(340px,100%);height:34px;margin:26px 0 22px;overflow:visible}
.tensao path{fill:none;stroke-width:1.5;stroke-linecap:round}
.tensao .frouxa{stroke:var(--linha-forte)}
.tensao .tensa{stroke:var(--pele);stroke-dasharray:340;stroke-dashoffset:340}
.tensao text{
  font-family:var(--display);font-size:9px;font-weight:600;
  letter-spacing:.18em;fill:var(--clinico);text-transform:uppercase
}
.js .tensao .frouxa{opacity:1;transition:opacity .5s ease .5s}
.js .tensao .tensa{transition:stroke-dashoffset .9s cubic-bezier(.2,.8,.2,1) .35s}
.js .tensao.is-in .frouxa{opacity:0}
.js .tensao.is-in .tensa{stroke-dashoffset:0}

/* ---------- hero ---------- */
.hero{padding:clamp(40px,5vw,72px) 0 clamp(48px,6vw,88px)}
.hero__grid{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(28px,5vw,64px);align-items:center}
.hero h1{max-width:14ch}
.hero h1 .puxa{color:var(--clinico)}

/* especificações: leem-se como linhas de ficha técnica, não como bullets */
.spec{border-top:var(--rule);margin:28px 0 30px}
.spec div{
  display:grid;grid-template-columns:minmax(120px,150px) 1fr;gap:16px;
  padding:13px 0;border-bottom:var(--rule);font-size:.95rem
}
.spec dt{color:var(--tinta);font-weight:600;margin:0}
.spec dd{margin:0;color:var(--grafite)}
@media(max-width:520px){.spec div{grid-template-columns:1fr;gap:2px}}

.hero__cta{display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.nota{font-size:.8rem;color:#6B7684;margin:0;letter-spacing:.01em}

.hero__fig{position:relative}
.hero__fig img{width:100%;aspect-ratio:4/5;object-fit:cover;max-height:620px;border-radius:2px}
.selo{
  position:absolute;left:-18px;bottom:24px;background:var(--folha);
  border:var(--rule);border-left:3px solid var(--pele);
  padding:14px 18px;max-width:250px
}
.selo b{display:block;color:var(--tinta);font-size:.92rem;letter-spacing:-.01em}
.selo span{display:block;font-size:.78rem;color:#6B7684;line-height:1.45;margin-top:3px}

@media(max-width:860px){
  .hero__grid{grid-template-columns:1fr;gap:26px}
  .hero__fig{order:-1}
  .hero__fig img{aspect-ratio:16/10;max-height:230px;object-position:50% 24%}
  .hero__cta{align-items:stretch}
  .hero h1{max-width:none}
  /* no celular o selo empurra a headline para fora da tela: some. */
  .selo{display:none}
}

/* ---------- faixa de dados ---------- */
.faixa{background:var(--folha);border-top:var(--rule);border-bottom:var(--rule)}
.faixa__in{display:grid;grid-template-columns:repeat(4,1fr)}
.faixa__item{padding:22px 20px;border-left:var(--rule)}
.faixa__item:first-child{border-left:0}
.faixa__item b{
  display:block;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--clinico);font-weight:600;margin-bottom:5px
}
.faixa__item span{color:var(--tinta);font-size:.95rem;font-weight:500}
@media(max-width:720px){
  .faixa__in{grid-template-columns:repeat(2,1fr)}
  .faixa__item:nth-child(3){border-left:0}
  .faixa__item:nth-child(n+3){border-top:var(--rule)}
}

/* ---------- listas em filete (diagnóstico) ---------- */
.linhas{border-top:var(--rule)}
.linhas__item{padding:26px 0;border-bottom:var(--rule)}
.linhas__item h3{margin-bottom:6px}
.linhas__item p{margin:0;font-size:.97rem;max-width:56ch}

/* ---------- painel do produto ---------- */
.produto{background:var(--clinico-esc);color:#D7E3F2}
.produto__grid{display:grid;grid-template-columns:.85fr 1.15fr;align-items:center}
.produto__img{overflow:hidden}
.produto__img img{width:100%;height:100%;object-fit:cover;min-height:380px;max-height:560px}
.produto__txt{padding:clamp(36px,5vw,72px) clamp(24px,4vw,60px)}
.produto__txt h2{color:#fff}
.produto__txt p{color:#B8CADF}
.produto__txt .voz{color:var(--pele-clara)}
.produto__txt strong{color:#fff}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;padding:0;list-style:none}
.tags li{
  border:1px solid rgba(255,255,255,.22);color:#DCE7F4;
  font-size:.78rem;letter-spacing:.04em;padding:6px 13px;border-radius:2px
}
@media(max-width:860px){
  .produto__grid{grid-template-columns:1fr}
  .produto__img img{min-height:0;aspect-ratio:16/10}
}

/* ---------- linha do tempo ---------- */
.tempo{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid var(--tinta)}
.tempo__item{padding:22px 22px 0 0;border-right:var(--rule);position:relative}
.tempo__item:last-child{border-right:0}
.tempo__item::before{
  content:"";position:absolute;top:-2px;left:0;width:9px;height:9px;
  background:var(--pele);transform:translateY(-50%)
}
.tempo__quando{
  display:block;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--clinico);font-weight:600;margin-bottom:8px
}
.tempo__item p{font-size:.94rem;margin:0;max-width:32ch;padding-right:18px}
@media(max-width:860px){
  .tempo{grid-template-columns:1fr 1fr}
  .tempo__item{border-right:0;padding-right:18px;padding-bottom:22px}
  .tempo__item:nth-child(odd){border-right:var(--rule)}
}
@media(max-width:520px){
  .tempo{grid-template-columns:1fr}
  .tempo__item{border-right:0;border-bottom:var(--rule)}
  .tempo__item:last-child{border-bottom:0}
}

/* ---------- tabela de laudos ---------- */
.laudos{width:100%;border-collapse:collapse;font-size:.95rem}
.laudos caption{
  text-align:left;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;
  color:#6B7684;padding-bottom:12px
}
.laudos th{
  text-align:left;font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--clinico);font-weight:600;padding:0 16px 10px 0;border-bottom:2px solid var(--tinta);
  vertical-align:bottom
}
.laudos td{padding:18px 16px 18px 0;border-bottom:var(--rule);vertical-align:top}
.laudos td:first-child{color:var(--tinta);font-weight:600;width:30%}
.laudos td:last-child{width:22%;color:var(--tinta)}
@media(max-width:720px){
  .laudos,.laudos tbody,.laudos tr,.laudos td{display:block;width:100%}
  .laudos thead{display:none}
  .laudos tr{border-bottom:var(--rule);padding:18px 0}
  .laudos td{border:0;padding:0 0 6px;width:auto}
  .laudos td:first-child{font-size:1.02rem}
  .laudos td:last-child{width:auto;font-size:.85rem;color:var(--clinico);letter-spacing:.06em;text-transform:uppercase}
}

/* ---------- passos ---------- */
.passos{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
.passos__fig img{width:100%;aspect-ratio:4/5;object-fit:cover;max-height:560px;border-radius:2px}
.passo{display:grid;grid-template-columns:44px 1fr;gap:18px;padding:22px 0;border-bottom:var(--rule)}
.passo:first-of-type{border-top:var(--rule)}
.passo__n{
  font-size:1.6rem;font-weight:600;color:var(--pele);line-height:1;
  letter-spacing:-.04em;padding-top:2px
}
.passo h3{margin-bottom:4px}
.passo p{margin:0;font-size:.95rem}
@media(max-width:860px){.passos{grid-template-columns:1fr}.passos__fig{order:-1}.passos__fig img{aspect-ratio:5/4;max-height:280px}}

/* ---------- oferta ---------- */
.oferta{background:var(--tinta);color:#C7D4E2;border-top:0}
.oferta h2{color:#fff}
.oferta .lead{color:#A9BACD}
.kits{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  margin:44px 0 26px;border:1px solid rgba(255,255,255,.16)
}
.kit{
  background:transparent;color:#C7D4E2;font:inherit;text-align:left;
  border:0;border-left:1px solid rgba(255,255,255,.16);
  padding:28px 24px 24px;cursor:pointer;position:relative;
  display:flex;flex-direction:column;transition:background .15s ease
}
.kit:first-child{border-left:0}
.kit:hover{background:rgba(255,255,255,.04)}
.kit--on{background:var(--folha);color:var(--grafite)}
.kit--on .kit__un,.kit--on .kit__preco{color:var(--tinta)}
.kit--on .kit__dur,.kit--on .kit__parc,.kit--on .kit__de{color:#6B7684}
.kit--on .kit__ben{color:var(--grafite);border-top-color:var(--linha)}
.kit__selo{
  position:absolute;top:0;right:0;background:var(--pele);color:#1A0F07;
  font-size:.62rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  padding:5px 11px
}
.kit__un{display:block;font-size:1.15rem;font-weight:600;color:#fff;letter-spacing:-.02em}
.kit__dur{display:block;font-size:.78rem;color:#8FA3BA;letter-spacing:.06em;text-transform:uppercase;margin-bottom:20px}
.kit__de{display:block;font-size:.82rem;color:#8FA3BA;text-decoration:line-through}
.kit__preco{display:block;font-size:2rem;font-weight:600;color:#fff;letter-spacing:-.035em;line-height:1.1}
.kit__parc{display:block;font-size:.82rem;color:#8FA3BA;margin-bottom:18px}
.kit__ben{
  display:block;font-size:.86rem;line-height:1.45;margin:auto 0 16px;
  padding-top:16px;border-top:1px solid rgba(255,255,255,.16)
}
.kit__pick{
  display:block;font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--pele)
}
.kit--on .kit__pick{color:var(--clinico)}
@media(max-width:860px){
  .kits{grid-template-columns:1fr;max-width:440px;margin-inline:auto}
  .kit{border-left:0;border-top:1px solid rgba(255,255,255,.16)}
  .kit:first-child{border-top:0}
  .kit__ben{margin-top:0}
}
.oferta__fechar{max-width:520px}
.oferta__fechar .btn{width:100%;font-size:1.05rem;padding:19px 28px}
.oferta__pay{font-size:.8rem;color:#8FA3BA;margin:14px 0 0}

/* ---------- garantia ---------- */
.garantia{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:start}
.garantia__num{
  font-size:clamp(3rem,7vw,4.6rem);font-weight:600;color:var(--pele);
  line-height:.85;letter-spacing:-.05em
}
.garantia__num small{display:block;font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--clinico);margin-top:8px}
@media(max-width:600px){.garantia{grid-template-columns:1fr;gap:16px}}

/* ---------- faq ---------- */
.faq{border-top:2px solid var(--tinta)}
.faq details{border-bottom:var(--rule)}
.faq summary{
  cursor:pointer;list-style:none;padding:20px 44px 20px 0;position:relative;
  color:var(--tinta);font-weight:600;font-size:1rem;letter-spacing:-.012em
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:8px;top:50%;width:11px;height:11px;
  border-right:1.5px solid var(--clinico);border-bottom:1.5px solid var(--clinico);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease
}
.faq details[open] summary::after{transform:translateY(-20%) rotate(-135deg)}
.faq__a{padding:0 0 22px;font-size:.96rem;max-width:64ch}
.faq__a p:last-child{margin-bottom:0}

/* ---------- rodapé ---------- */
.footer{background:var(--folha);border-top:var(--rule);padding:44px 0 104px;font-size:.85rem;color:#6B7684}
.footer a{color:var(--clinico)}
.footer__marca{
  font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--tinta);
  font-size:.9rem;margin-bottom:14px
}
.footer__legal{max-width:74ch;font-size:.78rem;line-height:1.6;margin-top:18px}

/* ---------- cta fixo (mobile) ---------- */
.sticky{
  position:fixed;left:0;right:0;bottom:0;z-index:50;
  background:var(--folha);border-top:1px solid var(--linha-forte);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  display:none;align-items:center;gap:14px
}
.sticky.is-on{display:flex}
.sticky__info{flex:1;min-width:0;line-height:1.2}
.sticky__info b{display:block;color:var(--tinta);font-size:1.05rem;font-weight:600;letter-spacing:-.02em}
.sticky__info span{font-size:.72rem;color:#6B7684}
.sticky .btn{padding:13px 22px;font-size:.9rem;white-space:nowrap}
@media(min-width:861px){.sticky{display:none!important}}

/* ---------- revelação ---------- */
.js .reveal{opacity:0;transform:translateY(10px)}
.js .reveal.is-in{opacity:1;transform:none;transition:opacity .45s ease,transform .45s ease}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal,.js .reveal.is-in{opacity:1;transform:none;transition:none}
  .js .tensao .tensa{transition:none;stroke-dashoffset:0}
  .js .tensao .frouxa{transition:none;opacity:0}
}