/* ============================================================
   LinkUs Commerce — styles.css
   Mobile-first. Desenhado a partir de 390px.
   ============================================================ */

:root{
  --ink:      #131C4E;
  --blue:     #2547E0;
  --violet:   #7A2BF2;
  /* O cinza da marca é #6B7391. Sobre o fundo --cloud ele dá 4.33:1, abaixo do
     mínimo AA de 4.5:1 exigido no briefing. Escurecido 1,2% de luminosidade,
     mesma matiz e saturação: passa em 4.53:1 no cloud e 4.89:1 no branco.
     Para voltar ao valor original é só trocar aqui. */
  --grey:     #68708D;
  --midnight: #0B1130;
  --cloud:    #F4F6FB;
  --white:    #FFFFFF;

  --grad: linear-gradient(90deg, #2547E0, #7A2BF2);
  --borda: #E3E7F2;

  --wrap: 1120px;
  --gutter: 22px;

  --r-sm: 12px;
  --r-md: 18px;
  --r-lg: 26px;

  --sombra-sm: 0 2px 10px rgba(19,28,78,.06);
  --sombra-md: 0 10px 30px rgba(19,28,78,.08);
  --sombra-lg: 0 18px 50px rgba(19,28,78,.12);

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- base ---------- */

*,*::before,*::after{ box-sizing:border-box; }

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:82px;
}

body{
  margin:0;
  background:var(--white);
  color:var(--ink);
  font-family:"Poppins", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size:17px;
  font-weight:400;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

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

h1,h2,h3{
  margin:0 0 .5em;
  font-weight:700;
  line-height:1.15;
  letter-spacing:-.02em;
  text-wrap:balance;
}

h1{ font-size:clamp(2.05rem, 8.4vw, 4.05rem); }
h2{ font-size:clamp(1.65rem, 6.4vw, 2.85rem); margin-bottom:.6em; }
h3{ font-size:1.2rem; line-height:1.3; }

.h2--peq{ font-size:clamp(1.4rem, 5vw, 1.95rem); }

p{ margin:0 0 1.15em; }
p:last-child{ margin-bottom:0; }

a{ color:var(--blue); text-decoration:none; }
a:hover{ text-decoration:underline; }

strong{ font-weight:600; }

:focus-visible{
  outline:3px solid var(--violet);
  outline-offset:3px;
  border-radius:4px;
}

.pular{
  position:absolute; left:-9999px; top:0;
  background:var(--ink); color:#fff;
  padding:12px 18px; z-index:200; border-radius:0 0 8px 0;
}
.pular:focus{ left:0; }

/* ---------- utilitários ---------- */

.wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.medida{ max-width:56ch; }
.centro{ text-align:center; }
.medida.centro{ margin-inline:auto; }

.corpo{
  font-size:1.06rem;
  color:var(--grey);
  line-height:1.7;
}

.grad{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.olho{
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--blue);
  margin-bottom:1.1em;
  display:flex;
  align-items:center;
  gap:10px;
}
.olho::before{
  content:"";
  width:28px; height:3px; border-radius:2px;
  background:var(--grad);
  flex:none;
}

.sec{ padding:62px 0; }
.sec--nuvem{ background:var(--cloud); }
.sec--enxuta{ padding:44px 0; }

/* ---------- botões ---------- */

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:600;
  font-size:1rem;
  line-height:1;
  text-align:center;
  text-decoration:none;
  border-radius:999px;
  padding:16px 26px;
  /* sem nowrap aqui: no celular o botão ocupa a largura toda e precisa poder
     quebrar. O nowrap entra só no desktop, onde os dois ficam lado a lado. */
  transition:transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
  cursor:pointer;
}
.btn:hover{ text-decoration:none; }

.btn--grad{
  background:var(--grad);
  color:#fff;
  box-shadow:0 6px 20px rgba(37,71,224,.28);
}
.btn--grad:hover{ transform:translateY(-2px); box-shadow:0 12px 28px rgba(37,71,224,.34); }

.btn--linha{
  color:var(--ink);
  border:2px solid var(--borda);
  background:var(--white);
}
.btn--linha:hover{ border-color:var(--blue); color:var(--blue); transform:translateY(-2px); }

.btn--branco{
  background:#fff;
  color:var(--ink);
  box-shadow:0 10px 30px rgba(0,0,0,.25);
}
.btn--branco:hover{ transform:translateY(-2px); }

.btn--gr{ padding:19px 30px; font-size:1.06rem; }
.btn--peq{ padding:12px 18px; font-size:.92rem; }

/* ---------- header ---------- */

.topo{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(10px);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.topo.rolou{
  box-shadow:var(--sombra-sm);
  border-bottom-color:var(--borda);
}

.topo__linha{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:70px;
}

.logo{
  display:inline-flex;
  align-items:center;
  gap:9px;
  color:inherit;
  flex:none;
}
.logo:hover{ text-decoration:none; }

.logo__mark{ width:44px; height:auto; flex:none; }

.logo__texto{ display:flex; flex-direction:column; line-height:1; }

.logo__nome{
  font-size:1.28rem;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--ink);
}
.logo__us{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.logo__sub{
  font-size:.5rem;
  font-weight:600;
  letter-spacing:.315em;
  margin-right:-.315em;   /* compensa o espaço solto do último caractere */
  color:var(--grey);
  margin-top:3px;
}

.menu{ display:none; }

/* ---------- hero ---------- */

.hero{
  position:relative;
  padding:44px 0 58px;
  overflow:hidden;
}

.hero__brilho{
  position:absolute;
  top:-260px; right:-180px;
  width:540px; height:540px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(122,43,242,.13), rgba(37,71,224,.07) 45%, transparent 70%);
  pointer-events:none;
}

.hero__grade{ position:relative; }

.hero__sub{
  font-size:1.12rem;
  color:var(--grey);
  line-height:1.68;
  max-width:34ch;
  margin-bottom:1.8em;
}

.hero h1{ margin-bottom:.42em; }

.hero__acoes{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-bottom:44px;
}
.hero__acoes .btn{ width:100%; }

.hero__arte{ display:none; }

.canais__rotulo{
  font-size:.74rem;
  font-weight:600;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:var(--grey);
  margin-bottom:.9em;
}
.canais__lista{
  list-style:none;
  margin:0; padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:8px 10px;
}
.canais__lista li{
  font-size:.92rem;
  font-weight:500;
  color:var(--ink);
  background:var(--cloud);
  border:1px solid var(--borda);
  border-radius:999px;
  padding:7px 14px;
}

/* ---------- frase de destaque (seção 2) ---------- */

.frase{
  margin:38px 0 0;
  padding:34px 26px;
  border-radius:var(--r-lg);
  background:var(--grad);
  color:#fff;
  box-shadow:var(--sombra-lg);
}
.frase blockquote{ margin:0; }
.frase p{
  margin:0;
  font-size:clamp(1.4rem, 5.6vw, 2.1rem);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.02em;
}
.frase__eco{ color:rgba(255,255,255,.72); }

/* ---------- cartões (seção 3) ---------- */

.cartoes{
  display:grid;
  gap:16px;
  margin-top:30px;
}

.cartao{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--white);
  border:1px solid var(--borda);
  border-radius:var(--r-md);
  padding:28px 24px 26px;
  box-shadow:var(--sombra-sm);
  transition:transform .22s var(--ease), box-shadow .22s var(--ease);
}
.cartao:hover{ transform:translateY(-3px); box-shadow:var(--sombra-md); }

.cartao__num{
  display:block;
  font-size:.82rem;
  font-weight:700;
  letter-spacing:.1em;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  margin-bottom:10px;
}
.cartao h3{ margin-bottom:.5em; }
.cartao p{
  color:var(--grey);
  font-size:1.02rem;
  margin-bottom:1em;
}
.cartao__saida{
  color:var(--blue) !important;
  font-weight:600;
  margin-top:auto;          /* cola no rodapé do cartão para os três alinharem */
  padding-top:4px;
  margin-bottom:0 !important;
}

/* ---------- serviços (seção 4) ---------- */

.servicos{
  list-style:none;
  margin:34px 0 0;
  padding:0;
  display:grid;
  gap:6px;
}

.servico{
  padding:22px 0;
  border-bottom:1px solid var(--borda);
}
.servico:last-child{ border-bottom:none; }

.servico__icone{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:46px; height:46px;
  border-radius:14px;
  background:var(--cloud);
  color:var(--blue);
  margin-bottom:14px;
}
.servico__icone svg{
  width:25px; height:25px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.8;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.servico h3{ margin-bottom:.35em; }
.servico p{ color:var(--grey); font-size:1.02rem; margin:0; }

/* ---------- linha do tempo (seção 5) ---------- */

.linha-tempo{
  list-style:none;
  margin:34px 0 0;
  padding:0;
  position:relative;
}

.etapa{
  position:relative;
  padding:0 0 30px 58px;
}
.etapa:last-child{ padding-bottom:6px; }

/* trilho vertical no mobile */
.etapa::before{
  content:"";
  position:absolute;
  left:19px; top:44px; bottom:0;
  width:2px;
  background:linear-gradient(180deg, rgba(37,71,224,.35), rgba(122,43,242,.18));
}
.etapa:last-child::before{ display:none; }

.etapa__ponto{
  position:absolute;
  left:0; top:0;
  width:40px; height:40px;
  border-radius:50%;
  background:var(--grad);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  font-size:1.02rem;
  font-style:normal;
  box-shadow:0 5px 14px rgba(37,71,224,.28);
}
.etapa__ponto i{ font-style:normal; }

.etapa h3{
  margin-bottom:.4em;
  padding-top:6px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.etapa__tag{
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.04em;
  text-transform:lowercase;
  color:var(--grey);
  background:var(--white);
  border:1px solid var(--borda);
  border-radius:999px;
  padding:4px 10px;
  line-height:1;
}
.etapa__tag--free{
  color:#0F7A3D;
  background:#E7F6ED;
  border-color:#C7E9D5;
}
.etapa p{ color:var(--grey); font-size:1.02rem; margin:0; }

.pos-linha{ margin-top:38px; }

/* ---------- sócios (seção 6) ---------- */

.socios{
  display:grid;
  gap:34px;
  margin-top:34px;
}

.socio{ text-align:center; }

.socio__foto{
  width:150px; height:150px;
  margin:0 auto 16px;
  border-radius:50%;
  background:var(--cloud);
}

.socio h3{ margin-bottom:.15em; }
.socio__papel{
  font-size:.82rem;
  font-weight:600;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--blue);
  margin-bottom:.9em;
}
.socio p:last-child{ color:var(--grey); font-size:1.02rem; }

.fecho{
  margin-top:36px;
  padding-top:26px;
  border-top:1px solid var(--borda);
  font-size:clamp(1.12rem, 4.2vw, 1.4rem);
  font-weight:600;
  line-height:1.4;
  text-align:center;
  color:var(--ink);
}

/* ---------- FAQ (seção 8) ---------- */

.faq{ margin-top:26px; }

.faq__item{
  border-bottom:1px solid var(--borda);
}
.faq__item:first-child{ border-top:1px solid var(--borda); }

.faq__item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 44px 20px 0;
  position:relative;
  font-weight:600;
  font-size:1.06rem;
  line-height:1.4;
  color:var(--ink);
}
.faq__item summary::-webkit-details-marker{ display:none; }

.faq__item summary::after{
  content:"";
  position:absolute;
  right:6px; top:26px;
  width:11px; height:11px;
  border-right:2.5px solid var(--blue);
  border-bottom:2.5px solid var(--blue);
  transform:rotate(45deg);
  transition:transform .24s var(--ease);
}
.faq__item[open] summary::after{ transform:rotate(-135deg); top:30px; }

.faq__item summary:hover{ color:var(--blue); }

.faq__corpo{
  padding:0 8px 22px 0;
  color:var(--grey);
  font-size:1.02rem;
}
.faq__corpo p{ margin:0; }

/* ---------- CTA final (seção 9) ---------- */

.final{
  position:relative;
  overflow:hidden;
  background:var(--midnight);
  color:#fff;
  padding:70px 0 76px;
}
.final__brilho{
  position:absolute;
  left:50%; top:-140px;
  transform:translateX(-50%);
  width:760px; height:460px;
  background:radial-gradient(ellipse at center, rgba(122,43,242,.42), rgba(37,71,224,.20) 42%, transparent 68%);
  pointer-events:none;
}
.final .wrap{ position:relative; }
.final h2{ color:#fff; }
.final .corpo{ color:rgba(255,255,255,.72); margin-bottom:2em; }
.final__email{
  margin-top:22px;
  font-size:.98rem;
  color:rgba(255,255,255,.62);
}
.final__email a{ color:#fff; text-decoration:underline; text-underline-offset:3px; }

/* ---------- rodapé ---------- */

.rodape{
  background:#070B22;
  color:rgba(255,255,255,.62);
  /* folga extra embaixo para o botão flutuante não cobrir o texto */
  padding:48px 0 96px;
  font-size:.95rem;
}

.rodape__grade{
  display:grid;
  gap:26px;
  padding-bottom:28px;
}

.rodape .logo{ margin-bottom:18px; }
.rodape__linha{ max-width:38ch; margin:0; line-height:1.6; }

.logo--escuro .logo__nome{ color:#fff; }
.logo--escuro .logo__us{
  background:linear-gradient(90deg, #7B93FF, #B69CFF);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.logo--escuro .logo__sub{ color:rgba(255,255,255,.5); }

.rodape__links{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.rodape__links a{
  color:#fff;
  font-weight:500;
}

.rodape__fim{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:22px;
  margin:0;
  font-size:.85rem;
  color:rgba(255,255,255,.52);   /* .45 ficava exatamente em 4.5:1, sem margem */
}

/* ---------- WhatsApp flutuante ---------- */

.zap{
  position:fixed;
  right:16px;
  bottom:16px;
  z-index:110;
  width:58px; height:58px;
  border-radius:50%;
  background:#25D366;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 8px 22px rgba(0,0,0,.24);
  transition:transform .2s var(--ease), box-shadow .2s var(--ease);
}
.zap svg{ width:32px; height:32px; }
.zap:hover{ transform:scale(1.06); box-shadow:0 12px 28px rgba(0,0,0,.3); }

/* ---------- animação de entrada ---------- */

/* só esconde se o JS estiver ativo — senão o conteúdo nunca reapareceria */
.js .rev{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .55s var(--ease), transform .55s var(--ease);
}
.js .rev.vis{ opacity:1; transform:none; }

/* ============================================================
   >= 640px  — telas maiores de celular / tablet pequeno
   ============================================================ */
@media (min-width:640px){

  .hero__acoes{ flex-direction:row; }
  .hero__acoes .btn{ width:auto; }

  .cartoes{ grid-template-columns:1fr 1fr; }
  .cartoes .cartao:last-child{ grid-column:1 / -1; }

  .socios{ grid-template-columns:1fr 1fr; gap:30px; }

  .rodape__grade{
    grid-template-columns:1fr auto;
    align-items:start;
  }
  .rodape__links{ text-align:right; }

}

/* ============================================================
   >= 900px  — desktop
   ============================================================ */
@media (min-width:900px){

  :root{ --gutter:32px; }

  html{ scroll-padding-top:96px; }

  body{ font-size:17px; }

  .sec{ padding:96px 0; }
  .sec--enxuta{ padding:64px 0; }

  .topo__linha{ min-height:84px; }
  .logo__mark{ width:52px; }
  .logo__nome{ font-size:1.45rem; }
  .logo__sub{ font-size:.56rem; }

  .menu{
    display:flex;
    gap:34px;
    margin-left:auto;
    margin-right:34px;
  }
  .menu a{
    color:var(--ink);
    font-weight:500;
    font-size:.98rem;
    position:relative;
    padding:6px 0;
  }
  .menu a:hover{ color:var(--blue); text-decoration:none; }
  .menu a::after{
    content:"";
    position:absolute;
    left:0; bottom:0;
    width:0; height:2px;
    border-radius:2px;
    background:var(--grad);
    transition:width .22s var(--ease);
  }
  .menu a:hover::after{ width:100%; }

  .hero{ padding:86px 0 96px; }
  .hero__texto{ max-width:660px; }
  .hero__acoes{ flex-wrap:wrap; }
  .btn{ white-space:nowrap; }
  .btn--gr{ padding:18px 28px; }
  .hero__sub{ font-size:1.2rem; max-width:44ch; }
  .hero__brilho{ top:-220px; right:-120px; width:680px; height:680px; }

  .frase{
    margin-top:48px;
    padding:52px 48px;
  }

  .cartoes{
    grid-template-columns:repeat(3,1fr);
    gap:22px;
    margin-top:44px;
  }
  .cartoes .cartao:last-child{ grid-column:auto; }
  .cartao{ padding:34px 30px 32px; }

  /* serviços em grade de 3 */
  .servicos{
    grid-template-columns:repeat(3,1fr);
    gap:14px;
    margin-top:52px;
  }
  .servico{
    border-bottom:none;
    background:var(--white);
    border:1px solid var(--borda);
    border-radius:var(--r-md);
    padding:30px 26px 28px;
    box-shadow:var(--sombra-sm);
    transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
  }
  .servico:hover{
    transform:translateY(-3px);
    box-shadow:var(--sombra-md);
    border-color:#D3DAF0;
  }

  /* são sete itens: o último ocupa a linha inteira em vez de ficar sozinho */
  .servico:last-child{
    grid-column:1 / -1;
    display:grid;
    grid-template-columns:auto 1fr;
    column-gap:22px;
    align-items:center;
  }
  .servico:last-child .servico__icone{
    grid-row:1 / span 2;
    margin-bottom:0;
  }
  .servico:last-child p{ max-width:60ch; }

  /* linha do tempo horizontal */
  .linha-tempo{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:26px;
    margin-top:56px;
  }
  .etapa{ padding:0; }
  .etapa::before{
    left:52px; right:-26px; top:19px; bottom:auto;
    width:auto; height:2px;
    background:linear-gradient(90deg, rgba(37,71,224,.4), rgba(122,43,242,.18));
  }
  .etapa__ponto{ position:static; margin-bottom:20px; }
  /* título e tag em linhas separadas para os quatro cards baterem a altura */
  .etapa h3{
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    gap:10px;
    padding-top:0;
  }

  .socios{
    grid-template-columns:1fr 1fr;
    gap:64px;
    max-width:900px;
    margin-inline:auto;
    margin-top:56px;
  }
  .socio__foto{ width:186px; height:186px; }
  .fecho{ margin-top:56px; padding-top:38px; }

  .faq{ margin-top:36px; }
  .faq__item summary{ font-size:1.12rem; padding:24px 48px 24px 0; }
  .faq__item summary::after{ top:31px; }
  .faq__item[open] summary::after{ top:35px; }

  .final{ padding:104px 0 112px; }

  .rodape{ padding:60px 0 44px; }

}

/* ============================================================
   >= 1100px — hero em duas colunas, com a arte da marca
   (abaixo disso os dois botões não caberiam lado a lado)
   ============================================================ */
@media (min-width:1100px){

  .hero__grade{
    display:grid;
    grid-template-columns:minmax(0,1.18fr) minmax(0,.82fr);
    align-items:center;
    gap:40px;
  }
  .hero__texto{ max-width:none; }

  .hero__arte{
    display:block;
    justify-self:center;
    width:100%;
    max-width:420px;
    opacity:.94;
    filter:drop-shadow(0 24px 50px rgba(37,71,224,.22));
  }
  .hero__arte svg{ width:100%; height:auto; }

}

/* ============================================================
   Acessibilidade — movimento reduzido
   ============================================================ */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  .js .rev{ opacity:1; transform:none; }
}