/* Efeitos e movimento. Só anima transform e opacity (a GPU compõe sem redesenhar a página).
   As animações contínuas só rodam com .live, que o JS liga apenas enquanto a seção está na tela. */
:root{
  --ease-out:cubic-bezier(.22,1,.36,1);
  --ease-spring:cubic-bezier(.34,1.56,.64,1);
  --glass-tint:rgba(24,18,44,.62);
  --glass-edge:rgba(255,255,255,.14);
}
html{scroll-padding-top:84px}

/* ---------- Barra do topo ---------- */
/* O desfoque fica numa camada própria: assim o menu do celular, dentro da barra, também consegue desfocar o fundo */
.nav{background:none;-webkit-backdrop-filter:none;backdrop-filter:none;transition:box-shadow .3s}
.nav::before{content:"";position:absolute;inset:0;z-index:-1;background:rgba(11,10,20,.55);
  -webkit-backdrop-filter:blur(20px) saturate(170%);backdrop-filter:blur(20px) saturate(170%);transition:background .3s}
.nav.scrolled{box-shadow:0 10px 30px -18px #000}
.nav.scrolled::before{background:rgba(11,10,20,.72)}

/* links do desktop: sublinhado que cresce e marca a seção atual */
.links a{position:relative;transition:color .2s}
.links a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;background:var(--grad);
  transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease-out)}
.links a:hover::after,.links a.active::after{transform:scaleX(1)}
.links a.active{color:var(--text)}

/* botão de menu: as três linhas viram um X */
.menu-toggle path{transition:transform .35s var(--ease-out),opacity .2s;transform-box:view-box;transform-origin:12px 12px}
.menu-toggle[aria-expanded="true"] .l1{transform:translateY(5px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] .l2{opacity:0;transform:scaleX(.2)}
.menu-toggle[aria-expanded="true"] .l3{transform:translateY(-5px) rotate(-45deg)}

/* menu do celular: painel de vidro que desce com animação */
@media (max-width:860px){
  .links{display:flex;position:absolute;top:calc(100% + 8px);left:12px;right:12px;flex-direction:column;gap:2px;padding:8px;
    background:var(--glass-tint);-webkit-backdrop-filter:blur(24px) saturate(180%);backdrop-filter:blur(24px) saturate(180%);
    border:1px solid var(--glass-edge);border-radius:20px;
    box-shadow:0 30px 60px -24px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.1);
    opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-10px) scale(.97);transform-origin:top right;
    transition:opacity .3s var(--ease-out),transform .35s var(--ease-out),visibility 0s linear .35s}
  .links.open{opacity:1;visibility:visible;pointer-events:auto;transform:none;transition-delay:0s}
  .links a{padding:14px 16px;border-radius:14px;color:var(--text);opacity:0;transform:translateY(-6px);
    transition:opacity .3s,transform .4s var(--ease-out),background .2s}
  .links a::after{display:none}
  .links a.active,.links a:active{background:rgba(255,255,255,.08)}
  .links.open a{opacity:1;transform:none}
  .links.open a:nth-child(2){transition-delay:.04s}
  .links.open a:nth-child(3){transition-delay:.08s}
  .links.open a:nth-child(4){transition-delay:.12s}
}

/* ---------- Botões ---------- */
.btn{position:relative;overflow:hidden;transition:transform .35s var(--ease-spring),box-shadow .3s,background .2s}
.btn:active{transform:scale(.97)}
.btn-primary::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(110deg,transparent 40%,rgba(255,255,255,.35) 50%,transparent 60%) no-repeat;
  background-size:300% 100%;background-position:120% 0;transition:background-position .8s var(--ease-out)}
.btn-primary:hover::before{background-position:-20% 0}
/* anel pulsando no botão principal do topo */
.hero .btn-primary{overflow:visible}
.hero .btn-primary::after{content:"";position:absolute;inset:-2px;border-radius:inherit;border:2px solid rgba(236,72,153,.55);
  opacity:0;pointer-events:none}
.hero.live .btn-primary::after{animation:ring 2.8s var(--ease-out) infinite}
@keyframes ring{0%{opacity:.7;transform:scale(1)}70%,100%{opacity:0;transform:scale(1.18,1.45)}}

/* ---------- Ícones do topo ----------
   A borda de vidro está na própria imagem de cada ícone (assets/icons). Aqui só há movimento. */
.dock{background:rgba(255,255,255,.035);border-color:var(--glass-edge);box-shadow:0 30px 60px -30px #000,inset 0 1px 0 rgba(255,255,255,.08)}
.dock-item .dock-icon{transition:transform .45s var(--ease-spring),filter .3s}
.dock-item:hover .dock-icon{transform:translateY(-10px) scale(1.12);filter:drop-shadow(0 14px 22px rgba(0,0,0,.6)) drop-shadow(0 0 18px rgba(168,85,247,.45))}
.dock-item{animation:dockIn .8s var(--ease-spring) backwards}
.dock-item:nth-child(2){animation-delay:.06s}.dock-item:nth-child(3){animation-delay:.12s}
.dock-item:nth-child(4){animation-delay:.18s}.dock-item:nth-child(5){animation-delay:.24s}.dock-item:nth-child(6){animation-delay:.3s}
@keyframes dockIn{from{opacity:0;transform:translateY(24px) scale(.8)}}

/* ---------- Cartões: foco de luz que segue o mouse ---------- */
.card.reveal.in{transition:opacity .6s,transform .45s var(--ease-spring),border-color .3s}
.card::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .3s;
  background:radial-gradient(260px circle at var(--mx,50%) var(--my,0%),color-mix(in srgb,var(--c,#a855f7) 22%,transparent),transparent 70%)}
.card:hover::after{opacity:1}
.card:hover{transform:translateY(-6px)}
.apps-grid .card.reveal:nth-child(3n+2){transition-delay:.08s}
.apps-grid .card.reveal:nth-child(3n){transition-delay:.16s}
.apps-grid .card.reveal.in:hover{transition-delay:0s}

/* ---------- Fotos: expandem ao entrar na tela e o brilho de trás pulsa ---------- */
.feature-row.reveal:not(.in) .shot{opacity:0}
.feature-row.in .shot-main{animation:shotIn 1s var(--ease-out) .1s backwards}
.feature-row.in .shot-sub{animation:shotSubIn 1.1s var(--ease-out) .35s backwards}
.feature-row.in .shot img{animation:imgSettle 1.6s var(--ease-out) .1s backwards}
@keyframes shotIn{from{opacity:0;transform:translateY(48px) scale(.92)}}
@keyframes shotSubIn{from{opacity:0;transform:translate(36px,40px) scale(.9)}}
@keyframes imgSettle{from{transform:scale(1.12)}}
.shots::before{will-change:transform,opacity}
.feature-row.live .shots::before{animation:glow 7s ease-in-out infinite alternate}
@keyframes glow{from{opacity:.65;transform:scale(.94)}to{opacity:1;transform:scale(1.06)}}
.shot{transition:transform .5s var(--ease-spring),box-shadow .4s}
.shot:hover{transform:translateY(-6px) scale(1.015)}

/* textos das seções entram em cascata */
.feature-row.reveal .feature-text > *{transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
.feature-row.reveal:not(.in) .feature-text > *{opacity:0;transform:translateY(16px)}
.feature-row.in .feature-text > :nth-child(2){transition-delay:.06s}
.feature-row.in .feature-text > :nth-child(3){transition-delay:.12s}
.feature-row.in .feature-text > :nth-child(4){transition-delay:.18s}
.feature-row.in .feature-text > :nth-child(5){transition-delay:.24s}
.feature-row.reveal{transform:none}

/* preço "R$ 0" respira devagar */
.feature-row.live .price strong{animation:breathe 4s ease-in-out infinite}
@keyframes breathe{50%{transform:scale(1.05)}}

/* ---------- FAQ e foto ampliada ---------- */
.faq-item{transition:border-color .3s,background .3s}
.faq-item[open]{border-color:rgba(168,85,247,.35);background:rgba(168,85,247,.05)}
.faq-item[open] p{animation:fadeDown .45s var(--ease-out)}
@keyframes fadeDown{from{opacity:0;transform:translateY(-6px)}}
.lightbox[open]{animation:zoomIn .4s var(--ease-out)}
.lightbox[open]::backdrop{animation:fade .3s ease-out}
@keyframes zoomIn{from{opacity:0;transform:scale(.94)}}
@keyframes fade{from{opacity:0}}

/* ---------- Topo: logo com brilho pulsando ---------- */
.hero-logo{will-change:transform}
.hero{position:relative}
.hero::before{content:"";position:absolute;left:50%;top:40px;width:340px;height:340px;margin-left:-170px;border-radius:50%;z-index:-1;
  background:radial-gradient(closest-side,rgba(168,85,247,.45),transparent);opacity:.6;pointer-events:none}
.hero.live::before{animation:glow 5s ease-in-out infinite alternate}

/* Sem animação para quem pediu menos movimento no sistema */
@media (prefers-reduced-motion:reduce){
  .feature-row.reveal:not(.in) .shot,.feature-row.reveal:not(.in) .feature-text > *{opacity:1;transform:none}
}

/* ---------- Seletor de idioma no desktop: lista própria que desce abaixo do botão ---------- */
.lang-button,.lang-menu{display:none}
@media (min-width:861px){
  .lang-picker .lang-select{display:none}
  .lang-button{display:inline-flex;align-items:center;gap:10px;background:var(--surface);color:var(--text);border:1px solid var(--border);
    border-radius:999px;padding:8px 14px;font:500 13px var(--font);cursor:pointer;transition:background .2s,border-color .2s}
  .lang-button:hover,.lang-picker.open .lang-button{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18)}
  .lang-button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
  .lang-button svg{color:var(--muted);transition:transform .3s var(--ease-out)}
  .lang-picker.open .lang-button svg{transform:rotate(180deg)}
  .lang-menu{display:block;position:absolute;top:calc(100% + 10px);right:0;min-width:184px;margin:0;padding:6px;list-style:none;z-index:60;
    background:var(--glass-tint);-webkit-backdrop-filter:blur(24px) saturate(180%);backdrop-filter:blur(24px) saturate(180%);
    border:1px solid var(--glass-edge);border-radius:16px;box-shadow:0 24px 50px -20px rgba(0,0,0,.85),inset 0 1px 0 rgba(255,255,255,.1);
    opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-6px) scale(.97);transform-origin:top right;
    transition:opacity .25s var(--ease-out),transform .3s var(--ease-out),visibility 0s linear .3s}
  .lang-picker.open .lang-menu{opacity:1;visibility:visible;pointer-events:auto;transform:none;transition-delay:0s}
  .lang-menu li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;border-radius:10px;
    font-size:14px;color:var(--text);cursor:pointer;outline:none;transition:background .15s}
  .lang-menu li:hover,.lang-menu li:focus-visible{background:rgba(255,255,255,.08)}
  .lang-menu li[aria-selected="true"]::after{content:"✓";color:var(--accent);font-weight:700}
}