/* =====================================================================
   SONG AI — pagina de vendas (v4).
   Direcao visual: preto quase puro, tipo grande centralizado, campo de
   prompt no hero, grade de capas. Laranja como unico acento.
   Mobile first (360px). Zero dependencia externa.
   ===================================================================== */

:root{
  --lar:#ff6a00;
  --lar-2:#ff9440;
  --lar-3:#ffd7b8;
  --preto:#000;
  --preto-2:#08080a;
  --sup:#0e0e11;
  --sup-2:#16161a;
  --linha:rgba(255,255,255,.09);
  --linha-2:rgba(255,255,255,.18);
  --branco:#fff;
  --texto:#c9c9d1;
  --cinza:#8b8b95;
  --cinza-2:#5a5a64;
}

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

body.vendas{
  margin:0;background:var(--preto);color:var(--texto);
  font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Roboto,Arial,sans-serif;
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}

img{max-width:100%;display:block}
a{color:var(--branco);text-decoration:none}
h1,h2,h3,h4{margin:0;color:var(--branco);font-weight:700;letter-spacing:-.04em;line-height:1.05}
p{margin:0 0 14px}

.v-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 18px 130px}

/* ================= topo ================= */
.v-nav{
  position:sticky;top:0;z-index:60;display:flex;align-items:center;gap:14px;
  padding:14px 18px;background:rgba(0,0,0,.72);
  backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.v-nav .progresso{position:absolute;left:0;bottom:-1px;height:2px;width:0;background:var(--lar);transition:width .1s linear}
.v-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.05rem;color:var(--branco);letter-spacing:-.04em}
.v-logo .mark{
  width:30px;height:30px;flex:0 0 30px;border-radius:50%;
  background:linear-gradient(150deg,var(--lar-2),var(--lar));
  display:flex;align-items:center;justify-content:center;
}
.v-logo .mark svg{width:14px;height:14px;fill:#150900}
.v-nav .dir{margin-left:auto;display:flex;gap:8px;align-items:center}
.v-nav .so-desktop{display:none}

/* ================= botoes ================= */
.v-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:11px 22px;border-radius:999px;
  font-family:inherit;font-weight:600;font-size:.94rem;cursor:pointer;
  border:1px solid var(--linha-2);background:transparent;color:var(--branco);
  text-decoration:none;transition:background .18s,border-color .18s,transform .12s,opacity .18s;
}
.v-btn:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.32)}
.v-btn:active{transform:scale(.985)}
.v-btn-primario{background:var(--branco);border-color:var(--branco);color:#000;font-weight:700}
.v-btn-primario:hover{background:#e6e6e6;border-color:#e6e6e6}
.v-btn-lar{background:var(--lar);border-color:var(--lar);color:#170800;font-weight:700}
.v-btn-lar:hover{background:var(--lar-2);border-color:var(--lar-2)}
.v-btn-grande{min-height:58px;font-size:1.02rem;padding:16px 32px;width:100%}
.seta{transition:transform .18s}
.v-btn:hover .seta{transform:translateX(3px)}

/* ================= ritmo ================= */
.v-sec{padding:76px 0;scroll-margin-top:78px}
.v-cab{max-width:780px;margin:0 auto 40px;text-align:center}
.v-cab.esq{margin-left:0;text-align:left}

.olho{
  display:inline-block;margin-bottom:16px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--linha);
  font-size:.73rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--lar-2);
}

h1{font-size:clamp(2.7rem,10.5vw,5.6rem);margin:0 0 18px;font-weight:700;letter-spacing:-.05em}
h2{font-size:clamp(1.9rem,5.4vw,3.1rem);margin:0 0 12px;letter-spacing:-.045em}
h3{font-size:1.05rem;letter-spacing:-.03em}
.v-sub{color:var(--cinza);font-size:clamp(1rem,2.4vw,1.2rem);margin:0 auto;max-width:60ch}

/* ================= hero ================= */
.hero{padding:52px 0 44px;text-align:center;position:relative}
.hero::before{
  content:'';position:absolute;left:50%;top:-90px;transform:translateX(-50%);
  width:min(900px,140vw);height:520px;pointer-events:none;z-index:-1;
  background:radial-gradient(closest-side,rgba(255,106,0,.26),transparent 72%);
  filter:blur(10px);
}
.hero .selo-topo{
  display:inline-flex;align-items:center;gap:9px;margin-bottom:26px;padding:7px 16px 7px 9px;
  border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--linha);
  font-size:.79rem;color:var(--texto);
}
.hero .selo-topo b{color:var(--branco);font-weight:600}
.ponto{width:7px;height:7px;border-radius:50%;background:#4ade80;flex:0 0 7px;
  box-shadow:0 0 0 0 rgba(74,222,128,.6);animation:pulso 2.6s infinite}
@keyframes pulso{0%{box-shadow:0 0 0 0 rgba(74,222,128,.5)}70%{box-shadow:0 0 0 10px rgba(74,222,128,0)}100%{box-shadow:0 0 0 0 rgba(74,222,128,0)}}

.hero .v-sub{margin-bottom:34px}

/* campo de prompt — o CTA principal */
.prompt-box{
  display:flex;align-items:center;gap:10px;width:100%;max-width:680px;margin:0 auto;
  padding:9px 9px 9px 20px;border-radius:999px;
  background:var(--sup);border:1px solid var(--linha-2);
  transition:border-color .2s,box-shadow .2s;
}
.prompt-box:focus-within{border-color:var(--lar);box-shadow:0 0 0 4px rgba(255,106,0,.16)}
.prompt-box input{
  flex:1;min-width:0;background:transparent;border:none;outline:none;
  color:var(--branco);font-family:inherit;font-size:16px;padding:12px 0;
}
.prompt-box input::placeholder{color:#55555f}
.prompt-box .ir{
  flex:0 0 46px;width:46px;height:46px;border-radius:50%;cursor:pointer;
  background:var(--lar);border:none;color:#170800;
  display:flex;align-items:center;justify-content:center;transition:background .18s,transform .12s;
}
.prompt-box .ir:hover{background:var(--lar-2)}
.prompt-box .ir:active{transform:scale(.94)}
.prompt-box .ir svg{width:19px;height:19px;fill:#170800}

.sugestoes{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:16px auto 0;max-width:680px}
.sugestoes button{
  padding:8px 15px;border-radius:999px;cursor:pointer;font-family:inherit;font-size:.83rem;
  background:rgba(255,255,255,.045);border:1px solid var(--linha);color:var(--cinza);
  transition:color .16s,border-color .16s,background .16s;
}
.sugestoes button:hover{color:var(--branco);border-color:var(--linha-2);background:rgba(255,255,255,.09)}

.hero-nota{font-size:.83rem;color:var(--cinza-2);margin:24px 0 0}
.hero-nota b{color:var(--texto);font-weight:600}

/* ================= grade de capas ================= */
.capas{
  display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:52px;
}
.capa-item{text-align:left}
.capa-art{
  position:relative;aspect-ratio:1;border-radius:16px;overflow:hidden;
  border:1px solid var(--linha);display:flex;align-items:flex-end;padding:12px;
}
.capa-art .play{
  position:absolute;right:10px;bottom:10px;width:36px;height:36px;border-radius:50%;
  background:rgba(0,0,0,.55);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;
  opacity:0;transform:translateY(6px);transition:opacity .2s,transform .2s;
}
.capa-art .play svg{width:14px;height:14px;fill:#fff;margin-left:2px}
.capa-item:hover .capa-art .play{opacity:1;transform:none}
.capa-art .eq{position:absolute;left:12px;bottom:12px}
.capa-nome{margin-top:9px;font-size:.86rem;font-weight:600;color:var(--branco);letter-spacing:-.02em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.capa-est{font-size:.75rem;color:var(--cinza-2)}

.eq{display:flex;align-items:flex-end;gap:2.5px;height:18px}
.eq i{width:3px;border-radius:2px;background:#fff;display:block;animation:eqbar 1.05s ease-in-out infinite}
.eq i:nth-child(1){height:45%;animation-delay:-.9s}
.eq i:nth-child(2){height:85%;animation-delay:-.6s}
.eq i:nth-child(3){height:55%;animation-delay:-.3s}
.eq i:nth-child(4){height:100%;animation-delay:-.75s}
@keyframes eqbar{0%,100%{transform:scaleY(.3)}50%{transform:scaleY(1)}}

/* paletas das capas */
.art1{background:linear-gradient(150deg,#ff6a00,#7a1f00 65%,#1a0800)}
.art2{background:linear-gradient(150deg,#2b2b33,#0c0c0f 60%,#000)}
.art3{background:linear-gradient(140deg,#ffb066,#ff6a00 45%,#3a1200)}
.art4{background:linear-gradient(160deg,#12303a,#071417 60%,#000)}
.art5{background:linear-gradient(135deg,#ff8a3d,#a83a00 55%,#180700)}
.art6{background:linear-gradient(150deg,#3b2a1a,#120b05 60%,#000)}

/* ================= esteira ================= */
.esteira{
  overflow:hidden;padding:18px 0;margin:0 -18px;
  border-block:1px solid rgba(255,255,255,.06);
  -webkit-mask:linear-gradient(90deg,transparent,#000 14%,#000 86%,transparent);
          mask:linear-gradient(90deg,transparent,#000 14%,#000 86%,transparent);
}
.esteira-fita{display:flex;align-items:center;width:max-content;animation:desliza 44s linear infinite}
.esteira:hover .esteira-fita{animation-play-state:paused}
.esteira b{font-size:clamp(1.05rem,3.2vw,1.4rem);font-weight:600;letter-spacing:-.03em;
  color:rgba(255,255,255,.22);padding:0 18px;white-space:nowrap}
.esteira i{width:5px;height:5px;border-radius:50%;background:var(--lar);flex:0 0 5px;display:block}
@keyframes desliza{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ================= passos ================= */
.passos{display:grid;gap:14px}
.passo{padding:26px;border-radius:20px;background:var(--sup);border:1px solid var(--linha)}
.passo .n{
  width:34px;height:34px;border-radius:50%;margin-bottom:16px;
  background:rgba(255,106,0,.12);border:1px solid rgba(255,106,0,.34);color:var(--lar-2);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.92rem;
}
.passo h3{font-size:1.16rem;margin-bottom:7px}
.passo p{margin:0;color:var(--cinza);font-size:.92rem}

/* ================= bento ================= */
.bento{display:grid;grid-template-columns:1fr;gap:12px}
.bx{
  position:relative;overflow:hidden;padding:24px;border-radius:20px;
  background:var(--sup);border:1px solid var(--linha);
  transition:border-color .2s,background .2s;
}
.bx:hover{border-color:var(--linha-2);background:var(--sup-2)}
.bx .ico{width:38px;height:38px;border-radius:11px;margin-bottom:15px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,106,0,.1);border:1px solid rgba(255,106,0,.24)}
.bx .ico svg{width:18px;height:18px;fill:var(--lar-2)}
.bx h3{margin-bottom:7px}
.bx p{margin:0;color:var(--cinza);font-size:.89rem}
.bx.forte{background:linear-gradient(150deg,rgba(255,106,0,.16),transparent 62%),var(--sup);border-color:rgba(255,106,0,.28)}
.bx.forte .grande{font-size:clamp(2.4rem,9vw,3.4rem);font-weight:700;letter-spacing:-.05em;color:var(--branco);line-height:1;margin-bottom:6px}
.bx.forte .grande small{font-size:.98rem;color:var(--lar-2);font-weight:700;letter-spacing:0}

/* ================= planos ================= */
.planos{display:grid;grid-template-columns:1fr;gap:16px;margin-top:12px}
.plano{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--sup);border:1px solid var(--linha);border-radius:22px;padding:28px 24px;
}
.plano.destaque{border-color:rgba(255,106,0,.5);background:linear-gradient(180deg,rgba(255,106,0,.1),var(--sup) 42%)}
.plano .selo{
  position:absolute;top:18px;right:18px;padding:5px 12px;border-radius:999px;
  background:var(--lar);color:#170800;font-size:.64rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;
}
.plano .nome{font-size:.75rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--cinza);margin-bottom:14px}
.plano .preco{display:flex;align-items:baseline;gap:5px}
.plano .preco .cifrao{font-size:1rem;color:var(--cinza);font-weight:600}
.plano .preco .valor{font-size:clamp(2.7rem,9.5vw,3.2rem);font-weight:700;letter-spacing:-.055em;color:var(--branco);line-height:.95}
.plano .por-credito{font-size:.79rem;color:var(--cinza-2);margin-top:8px}
.plano .cr-linha{
  display:flex;align-items:center;gap:11px;margin:20px 0;padding:14px 16px;border-radius:14px;
  background:rgba(255,255,255,.04);border:1px solid var(--linha);
}
.plano .cr-linha b{font-size:1.45rem;font-weight:700;color:var(--lar-2);letter-spacing:-.04em;line-height:1}
.plano .cr-linha span{font-size:.76rem;color:var(--cinza);line-height:1.3}
.plano ul{list-style:none;padding:0;margin:0 0 24px;flex:1;display:grid;gap:11px}
.plano li{display:flex;gap:11px;font-size:.88rem;color:var(--texto);align-items:flex-start}
.plano li b{color:var(--branco);font-weight:600}
.check{flex:0 0 18px;width:18px;height:18px;border-radius:6px;margin-top:2px;
  background:rgba(255,106,0,.15);border:1px solid rgba(255,106,0,.36);color:var(--lar-2);
  font-size:.62rem;font-weight:800;display:flex;align-items:center;justify-content:center}

.garantias{display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:center;margin-top:26px}
.garantias span{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;color:var(--cinza)}
.garantias svg{width:15px;height:15px;fill:#4ade80;flex:0 0 15px}

/* ================= upsell ================= */
.upsell{
  display:grid;gap:20px;align-items:center;padding:30px;border-radius:22px;
  background:linear-gradient(130deg,rgba(255,106,0,.12),transparent 62%),var(--sup);
  border:1px solid rgba(255,106,0,.24);
}

/* ================= faq ================= */
.faq-lista{display:grid;max-width:820px;margin:0 auto;border-top:1px solid var(--linha)}
.faq-lista details{border-bottom:1px solid var(--linha);padding:4px 0}
.faq-lista summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;gap:16px;
  padding:19px 0;font-size:1rem;font-weight:600;color:var(--branco);letter-spacing:-.02em;
}
.faq-lista summary::-webkit-details-marker{display:none}
.faq-lista summary::after{
  content:'';margin-left:auto;flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--linha-2);
  background:
    linear-gradient(var(--lar-2),var(--lar-2)) center/9px 1.5px no-repeat,
    linear-gradient(var(--lar-2),var(--lar-2)) center/1.5px 9px no-repeat;
  transition:transform .22s;
}
.faq-lista details[open] summary::after{transform:rotate(135deg)}
.faq-lista p{margin:0 0 20px;color:var(--cinza);font-size:.92rem;max-width:66ch}

/* ================= fecho ================= */
.fecho{
  text-align:center;padding:60px 24px;border-radius:26px;
  background:linear-gradient(160deg,rgba(255,106,0,.2),transparent 58%),var(--sup);
  border:1px solid rgba(255,106,0,.28);
}
.fecho h2{font-size:clamp(2rem,6.6vw,3.4rem)}
.fecho .v-btn-grande{max-width:400px;margin:26px auto 0}

.v-rodape{text-align:center;color:var(--cinza-2);font-size:.82rem;padding:34px 0 6px;border-top:1px solid var(--linha);margin-top:44px}
.v-rodape a{color:var(--cinza)}

/* ================= barra fixa celular ================= */
.barra-mobile{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;gap:12px;align-items:center;
  padding:11px 16px calc(11px + env(safe-area-inset-bottom));
  background:rgba(0,0,0,.94);border-top:1px solid var(--linha);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  transform:translateY(130%);transition:transform .3s cubic-bezier(.4,0,.2,1);
}
.barra-mobile.on{transform:translateY(0)}
.barra-mobile .txt{font-size:.75rem;color:var(--cinza-2);line-height:1.25}
.barra-mobile .txt b{display:block;color:var(--branco);font-size:.93rem;font-weight:600;letter-spacing:-.02em}
.barra-mobile .v-btn{margin-left:auto;flex:0 0 auto;min-height:44px;padding:10px 20px}

/* ================= modal ================= */
.modal{
  position:fixed;inset:0;z-index:100;display:none;align-items:flex-end;justify-content:center;
  background:rgba(0,0,0,.84);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.modal.on{display:flex}
.modal-caixa{
  width:100%;max-width:460px;max-height:94vh;overflow-y:auto;
  background:var(--sup-2);border:1px solid var(--linha-2);border-bottom:none;
  border-radius:24px 24px 0 0;padding:24px 22px calc(24px + env(safe-area-inset-bottom));
  animation:sobe .24s cubic-bezier(.2,.8,.3,1);
}
@keyframes sobe{from{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}
.modal-cab{display:flex;align-items:flex-start;gap:14px;margin-bottom:18px}
.modal-cab h3{font-size:1.26rem}
.modal-cab p{margin:5px 0 0;font-size:.86rem;color:var(--cinza)}
.modal-fechar{
  margin-left:auto;flex:0 0 40px;width:40px;height:40px;border-radius:50%;cursor:pointer;
  background:rgba(255,255,255,.06);border:1px solid var(--linha);color:var(--branco);
  font-size:1.35rem;line-height:1;font-family:inherit;
}
.modal-resumo{
  display:flex;align-items:center;gap:12px;padding:16px;border-radius:15px;margin-bottom:18px;
  background:rgba(255,106,0,.1);border:1px solid rgba(255,106,0,.26);
}
.modal-resumo .cr{font-size:1.32rem;font-weight:700;color:var(--lar-2);letter-spacing:-.04em;line-height:1.1}
.modal-resumo small{display:block;font-size:.75rem;color:var(--cinza);margin-top:2px}
.modal-resumo .val{margin-left:auto;font-size:1.28rem;font-weight:700;color:var(--branco);letter-spacing:-.04em}

.campo{margin-bottom:14px}
.campo label{display:block;font-size:.8rem;font-weight:700;color:var(--branco);margin-bottom:7px}
.campo input{
  width:100%;padding:15px 16px;font-size:16px;font-family:inherit;
  background:var(--preto-2);color:var(--branco);border:1px solid var(--linha-2);border-radius:14px;
  transition:border-color .16s,box-shadow .16s;
}
.campo input:focus{outline:none;border-color:var(--lar);box-shadow:0 0 0 3px rgba(255,106,0,.2)}
.campo input::placeholder{color:#4a4a55}
.campo .dica{font-size:.77rem;color:var(--cinza-2);margin:7px 0 0}
.mel{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.modal-erro{display:none;padding:13px 15px;border-radius:13px;margin-bottom:14px;font-size:.86rem;
  background:rgba(239,68,68,.14);border:1px solid rgba(239,68,68,.42);color:#fecaca}
.modal-erro.on{display:block}
.modal-rodape{margin:16px 0 0;font-size:.76rem;color:var(--cinza-2);text-align:center;line-height:1.6}
.modal-rodape a{color:var(--cinza)}

.girando{display:inline-block;width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(23,8,0,.3);border-top-color:#170800;animation:gira .7s linear infinite}
@keyframes gira{to{transform:rotate(360deg)}}

/* ================= revelar ao rolar ================= */
.rev{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s cubic-bezier(.2,.7,.3,1)}
.rev.vis{opacity:1;transform:none}

/* ================= responsivo ================= */
@media (min-width:600px){
  .capas{grid-template-columns:repeat(3,1fr)}
  .bento{grid-template-columns:repeat(2,1fr)}
  .passos{grid-template-columns:repeat(3,1fr)}
  .modal{align-items:center;padding:24px}
  .modal-caixa{border-radius:24px;border-bottom:1px solid var(--linha-2);padding:28px}
}
@media (min-width:768px){
  .v-wrap{padding:0 32px 60px}
  .v-nav{padding:16px 32px}
  .v-nav .so-desktop{display:inline-flex}
  .esteira{margin:0 -32px}
  .v-sec{padding:104px 0}
  .hero{padding:76px 0 56px}
  .capas{grid-template-columns:repeat(6,1fr);gap:14px}
  .planos{grid-template-columns:repeat(3,1fr)}
  .plano.destaque{transform:scale(1.04);z-index:2}
  .upsell{grid-template-columns:1fr auto;padding:40px}
  .barra-mobile{display:none}
  .v-wrap{padding-bottom:50px}
}
@media (min-width:1024px){
  .bento{grid-template-columns:repeat(3,1fr)}
  .bento .larga{grid-column:span 2}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .rev{opacity:1;transform:none}
}