/* ============================================================
   IALTH Checkout — CSS (tokens do DESIGN_SYSTEM.md §4, sem exceções)
   Referência: Stripe Checkout (clareza/confiança) + Hotmart (conversão BR)
   ============================================================ */
:root{
  --ialth-primary:#FF4200; --ialth-secondary:#FFA200; --ialth-deep:#8C1700;
  --ialth-sand:#F2C988; --ialth-navy:#000068;
  --ialth-bg:#060609; --ialth-bg-2:#0B0B12; --ialth-surface:#12121B;
  --ialth-line:rgba(255,255,255,.08);
  --ialth-text:#F4F5F7; --ialth-muted:#A2A7B3;
  --ialth-grad:linear-gradient(92deg,var(--ialth-primary),var(--ialth-secondary));
  --ialth-green:#00CC00;
  --glow:0 8px 30px rgba(255,66,0,.35);
  --ring:0 0 0 2px rgba(255,162,0,.5);
  --elev:0 24px 50px rgba(0,0,0,.6);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--ialth-bg);color:var(--ialth-text);
  font-family:'IBM Plex Sans',system-ui,sans-serif;font-size:.95rem;line-height:1.65;
  min-height:100vh;display:flex;flex-direction:column;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ialth-sand)}
::selection{background:rgba(255,66,0,.35)}
@media(max-width:959px){body.ch-has-bar{padding-bottom:84px}}
body.embed{padding-bottom:0}

/* ---------- Fundo ambiente (pattern da marca ≤ 6% + glows com drift 28s) ---------- */
.ch-bg{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(640px 420px at 88% -12%, rgba(255,66,0,.13), transparent 62%),
    radial-gradient(760px 520px at -12% 112%, rgba(140,23,0,.17), transparent 62%);
  animation:chDrift 28s ease-in-out infinite alternate}
.ch-bg::before{content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(-45deg, rgba(255,255,255,.035) 0 1px, transparent 1px 18px)}
@keyframes chDrift{to{background-position:60px -40px,-50px 50px}}

/* ---------- Header ---------- */
.ch-header{position:sticky;top:0;z-index:10;border-bottom:1px solid var(--ialth-line);
  background:rgba(6,6,9,.85);backdrop-filter:blur(10px)}
.ch-header-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  width:min(1280px,94%);margin:0 auto;padding:.75rem 0}
.ch-brand{display:flex;flex-direction:column;gap:2px;text-decoration:none;color:inherit}
.ch-logo{font-weight:700;font-size:1.15rem;letter-spacing:.14em;text-transform:uppercase}
.ch-decoder{font-size:.62rem;color:var(--ialth-muted);letter-spacing:.05em}
.ch-secure{display:inline-flex;align-items:center;gap:.5rem;font-size:.72rem;color:var(--ialth-muted);
  border:1px solid var(--ialth-line);border-radius:100px;padding:.42rem .95rem;background:rgba(11,11,18,.6);white-space:nowrap}
.ch-secure b{color:var(--ialth-text);font-weight:600}
.ch-secure svg{flex:none}
.ch-secure-sep{width:1px;height:12px;background:var(--ialth-line)}
@media(max-width:560px){.ch-secure span:last-child{display:none}.ch-secure-sep{display:none}}

/* ---------- Footer ---------- */
.ch-footer{border-top:1px solid var(--ialth-line);margin-top:auto;padding:1.1rem 4%;text-align:center;position:relative;z-index:1}
.ch-foot-tag{font-size:.72rem;color:var(--ialth-sand);letter-spacing:.08em}
.ch-foot-legal{font-size:.68rem;color:var(--ialth-muted);margin-top:2px}

/* ---------- Layout ---------- */
.ch-main{width:min(720px,92%);margin:1.8rem auto 3.5rem;flex:1;position:relative;z-index:1}
.ch-main.wide{width:min(1120px,94%)}
.ch-grid{display:grid;gap:1rem}
.ch-vitrine{align-items:start}
@media(min-width:960px){
  .ch-vitrine{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:1.5rem}
  .ch-formcol{position:sticky;top:4.6rem}
}

/* ---------- Cards ---------- */
.ch-card{background:var(--ialth-surface);border:1px solid var(--ialth-line);border-radius:16px;
  padding:1.6rem;box-shadow:0 12px 40px rgba(0,0,0,.35)}
.ch-box{background:var(--ialth-bg-2);border:1px solid var(--ialth-line);border-radius:10px;padding:1rem 1.1rem}

/* ---------- Kickers de seção ---------- */
.ch-kicker{display:flex;align-items:center;gap:.6rem;margin:1.4rem 0 .7rem;
  font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.18em;color:var(--ialth-muted)}
.ch-kicker::after{content:"";flex:1;height:1px;background:var(--ialth-line)}

/* ---------- Oferta ---------- */
.ch-badge{display:inline-block;background:var(--ialth-grad);color:#1A0D00;font-size:.66rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.16em;padding:.3rem .8rem;border-radius:100px;margin-bottom:.8rem;
  box-shadow:var(--glow)}
.ch-title{font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:700;letter-spacing:-.02em;line-height:1.12}
.ch-headline{color:var(--ialth-sand);font-weight:400;margin-top:.5rem;font-size:1.04rem;line-height:1.5}
.ch-sub{color:var(--ialth-muted);margin-top:.5rem;font-size:.92rem;font-weight:300}
.ch-cover{border-radius:10px;width:100%;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--ialth-line);
  margin:1.1rem 0 .2rem;box-shadow:0 16px 44px rgba(0,0,0,.55), 0 0 0 1px rgba(255,66,0,.12)}
.ch-meta{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.9rem}
.ch-chip{font-size:.66rem;font-weight:600;text-transform:uppercase;letter-spacing:.12em;
  border:1px solid var(--ialth-line);border-radius:4px;padding:.28rem .65rem;color:var(--ialth-muted);background:var(--ialth-bg-2)}

/* ---------- Painel de preço ---------- */
.ch-price-block{margin-top:1.3rem;padding-top:1.15rem;position:relative}
.ch-price-block::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--ialth-grad)}
.ch-compare{color:var(--ialth-muted);text-decoration:line-through;font-size:.92rem;font-weight:300}
.ch-price{font-size:clamp(2.2rem,4.5vw,3rem);font-weight:700;line-height:1.05;letter-spacing:-.02em}
.ch-installments{color:var(--ialth-muted);font-size:.86rem;margin-top:.3rem}
.ch-pixline{display:flex;align-items:center;gap:.5rem;color:var(--ialth-muted);font-size:.82rem;margin-top:.45rem}
.ch-pixline .ch-pay{height:18px;font-size:.58rem}

/* ---------- Garantia (caixa rica) ---------- */
.ch-guarantee{display:flex;gap:.8rem;align-items:flex-start;margin-top:1.1rem;padding:.95rem 1.05rem;
  border:1px solid rgba(242,201,136,.25);background:rgba(242,201,136,.06);border-radius:10px;
  font-size:.9rem;color:var(--ialth-sand);font-weight:600;line-height:1.45}
.ch-guarantee svg{flex:none;margin-top:1px}
.ch-guarantee-sub{display:block;color:var(--ialth-muted);font-weight:300;font-size:.8rem;margin-top:2px}

/* ---------- Blocos de conversão ---------- */
/* Avaliação com estrelas */
.ch-rating{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;margin-top:.7rem;font-size:.88rem}
.ch-rating b{font-size:1.05rem}
.ch-stars-wrap{position:relative;display:inline-block;line-height:1;white-space:nowrap}
.ch-stars{letter-spacing:.08em;font-size:.92rem}
.ch-stars-bg{color:rgba(255,255,255,.18)}
.ch-stars-clip{position:absolute;inset:0;overflow:hidden}
.ch-stars-on{color:var(--ialth-secondary)}
.ch-rating-count{color:var(--ialth-muted);font-size:.8rem}

/* Contador real de encerramento da oferta */
.ch-ends{margin-top:1rem;padding:.65rem .9rem;border:1px solid rgba(255,162,0,.35);border-radius:10px;
  background:rgba(255,162,0,.07);font-size:.84rem}
.ch-ends b{color:var(--ialth-secondary);font-variant-numeric:tabular-nums}

/* Timer de reserva */
.ch-reserve{display:flex;align-items:center;gap:.55rem;margin-bottom:1.1rem;padding:.7rem .9rem;
  border:1px solid rgba(255,162,0,.35);border-radius:10px;background:rgba(255,162,0,.07);
  font-size:.85rem}
.ch-reserve::before{content:"⏳";font-size:1rem;line-height:1}
.ch-reserve b{color:var(--ialth-secondary);font-variant-numeric:tabular-nums;font-size:1rem}
.ch-reserve-over{border-color:rgba(255,66,0,.4);background:rgba(140,23,0,.15)}

/* Vantagens (checklist em caixa destacada) */
.ch-perks-box{background:var(--ialth-bg-2);border:1px solid var(--ialth-line);border-radius:10px;padding:1.05rem 1.15rem}
.ch-perks{list-style:none;display:flex;flex-direction:column;gap:.6rem}
.ch-perks li{display:flex;gap:.6rem;align-items:flex-start;font-size:.9rem}
.ch-perks svg{flex:none;margin-top:.26rem}

/* Depoimentos */
.ch-testimonials{display:flex;flex-direction:column;gap:.75rem}
.ch-testimonial{background:var(--ialth-bg-2);border:1px solid var(--ialth-line);border-radius:10px;padding:.95rem 1.05rem;position:relative}
.ch-testimonial blockquote{font-size:.88rem;line-height:1.6;font-weight:300}
.ch-testimonial figcaption{margin-top:.5rem;font-size:.74rem;color:var(--ialth-sand);letter-spacing:.04em;font-weight:600}
.ch-testimonial figcaption span{color:var(--ialth-muted);font-weight:300}

/* FAQ (accordion nativo) */
.ch-faq-list{display:flex;flex-direction:column}
.ch-faq-item{border-bottom:1px solid var(--ialth-line)}
.ch-faq-item:last-child{border-bottom:0}
.ch-faq-item summary{cursor:pointer;padding:.7rem 0;font-size:.9rem;font-weight:600;list-style:none;
  display:flex;align-items:baseline;gap:.55rem}
.ch-faq-item summary::-webkit-details-marker{display:none}
.ch-faq-item summary::before{content:"+";color:var(--ialth-secondary);font-weight:700}
.ch-faq-item[open] summary::before{content:"–"}
.ch-faq-item p{padding:0 0 .8rem 1.15rem;font-size:.86rem;color:var(--ialth-muted);line-height:1.65;font-weight:300}

/* Selos de confiança */
.ch-seals{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;margin-top:1.1rem;
  padding-top:1.1rem;border-top:1px solid var(--ialth-line)}
.ch-seal{display:inline-flex;align-items:center;gap:.4rem;font-size:.7rem;color:var(--ialth-muted)}
.ch-pays{display:inline-flex;align-items:center;gap:.4rem;flex-wrap:wrap}
.ch-pay{display:inline-flex;align-items:center;gap:2px;height:22px;padding:0 .55rem;
  border-radius:4px;font-weight:700;font-size:.64rem;letter-spacing:.03em;line-height:1;
  font-family:Arial,Helvetica,sans-serif}
.ch-pay-pix{background:#32BCAD;color:#F4F5F7}
.ch-pay-visa{background:#1A1F71;color:#F4F5F7;font-style:italic;letter-spacing:.08em}
.ch-pay-mc{background:transparent;padding:0 .15rem;gap:0}
.ch-pay-mc i{display:inline-block;width:16px;height:16px;border-radius:50%}
.ch-pay-mc .mc-r{background:#EB001B;position:relative;z-index:1}
.ch-pay-mc .mc-o{background:#F79E1B;margin-left:-7px}
.ch-pay-elo{background:#0B0B12;color:#F4F5F7;font-weight:400;font-size:.72rem;padding:0 .45rem;border:1px solid var(--ialth-line)}
.ch-pay-elo i{display:inline-block;width:4px;height:4px;border-radius:50%;margin-left:2px}
.ch-pay-elo i:nth-of-type(1){background:#FFCB05}
.ch-pay-elo i:nth-of-type(2){background:#00A4E0}
.ch-pay-elo i:nth-of-type(3){background:#EF4123}
.ch-pay-elo i:nth-of-type(4){background:#00A94F}
.ch-pay-amex{background:#2E77BC;color:#F4F5F7;letter-spacing:.06em}
.ch-form-title{text-align:left;font-size:1.3rem;letter-spacing:-.01em}
.ch-form-sub{margin:.35rem 0 1.2rem;font-weight:300}
.ch-privacy{margin-top:.8rem;font-weight:300}

/* ---------- Steps ---------- */
.ch-steps{display:flex;align-items:center;gap:.55rem;margin-bottom:1.2rem}
.ch-step{display:flex;align-items:center;gap:.45rem;font-size:.66rem;text-transform:uppercase;
  letter-spacing:.12em;color:var(--ialth-muted);font-weight:600;white-space:nowrap}
.ch-step i{font-style:normal;width:20px;height:20px;border-radius:50%;border:1px solid var(--ialth-line);
  display:inline-flex;align-items:center;justify-content:center;font-size:.62rem;font-weight:700;color:var(--ialth-muted)}
.ch-step.on{color:var(--ialth-text)}
.ch-step.on i{background:var(--ialth-grad);color:#1A0D00;border-color:transparent}
.ch-step-line{flex:1;height:1px;background:var(--ialth-line);min-width:12px}
.ch-step-line.on{background:var(--ialth-primary)}

/* ---------- Form ---------- */
.ch-field{margin-bottom:.95rem}
.ch-field label{display:block;font-size:.7rem;font-weight:600;text-transform:uppercase;
  letter-spacing:.14em;color:var(--ialth-muted);margin-bottom:.4rem}
.ch-input-wrap{position:relative}
.ch-field-ico{position:absolute;left:.85rem;top:50%;transform:translateY(-50%);color:var(--ialth-muted);
  display:flex;pointer-events:none;transition:color .2s}
.ch-field input{width:100%;background:var(--ialth-bg-2);border:1px solid var(--ialth-line);
  border-radius:6px;color:var(--ialth-text);font:inherit;padding:.8rem 2.5rem .8rem 2.6rem;
  transition:border-color .2s, box-shadow .2s}
.ch-field input:focus{outline:none;box-shadow:var(--ring);border-color:var(--ialth-secondary)}
.ch-field:focus-within .ch-field-ico{color:var(--ialth-secondary)}
.ch-field input::placeholder{color:rgba(162,167,179,.55)}
.ch-valid-ico{position:absolute;right:.85rem;top:50%;transform:translateY(-50%) scale(.6);opacity:0;
  transition:opacity .2s, transform .2s}
.ch-field.valid .ch-valid-ico{opacity:1;transform:translateY(-50%) scale(1)}
.ch-field.valid input{border-color:rgba(0,204,0,.45)}
.ch-field .ch-err{display:none;color:#FF8A66;font-size:.76rem;margin-top:.3rem}
.ch-field.invalid .ch-err{display:block;animation:chErr .2s ease}
.ch-field.invalid input{border-color:var(--ialth-primary)}
@keyframes chErr{from{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:none}}

/* ---------- Botões ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;border:0;border-radius:6px;
  cursor:pointer;font:inherit;font-weight:700;padding:.85rem 1.6rem;
  transition:transform .2s, box-shadow .25s;text-decoration:none;text-align:center}
.btn-primary{background:var(--ialth-grad);color:#1A0D00;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 36px rgba(255,66,0,.45), var(--ring)}
.btn-primary:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn-block{display:flex;width:100%}
.btn-xl{font-size:1.05rem;padding:1.05rem 1.8rem}
.ch-cta-spin{display:none;width:16px;height:16px;border:2px solid rgba(26,13,0,.3);border-top-color:#1A0D00;
  border-radius:50%;animation:spin .8s linear infinite}
.btn.loading .ch-cta-spin{display:inline-block}
.btn.loading .ch-cta-ico{display:none}

/* ---------- Barra mobile ---------- */
.ch-mobilebar{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;align-items:center;
  justify-content:space-between;gap:1rem;padding:.7rem 4% calc(.7rem + env(safe-area-inset-bottom));
  background:rgba(6,6,9,.92);backdrop-filter:blur(12px);border-top:1px solid var(--ialth-line)}
.ch-mb-price{display:flex;flex-direction:column;line-height:1.2}
.ch-mb-price span{font-size:.62rem;text-transform:uppercase;letter-spacing:.14em;color:var(--ialth-muted)}
.ch-mb-price b{font-size:1.05rem}
.ch-mobilebar .btn{flex:none;padding:.75rem 1.5rem}
.ch-mobilebar.hidden{display:none}
@media(min-width:960px){.ch-mobilebar{display:none}}
body.embed .ch-mobilebar{display:none}

/* ---------- Total + Brick ---------- */
.ch-total{display:flex;justify-content:space-between;align-items:center;gap:1rem;
  background:var(--ialth-bg-2);border:1px solid var(--ialth-line);border-radius:10px;
  padding:.9rem 1.1rem;margin-bottom:1.1rem}
.ch-total-label{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.14em;color:var(--ialth-muted)}
.ch-total-value{font-size:1.35rem;font-weight:700}
#paymentBrick_container,#statusScreenBrick_container{min-height:120px}
.brick-loading{display:flex;flex-direction:column;align-items:center;gap:.8rem;padding:2.2rem 0;color:var(--ialth-muted)}
.ch-backlink{display:inline-flex;align-items:center;gap:.4rem;background:none;border:0;cursor:pointer;
  font:inherit;font-size:.78rem;color:var(--ialth-muted);margin-bottom:1rem;padding:0;transition:color .2s}
.ch-backlink:hover{color:var(--ialth-sand)}

/* ---------- Estados ---------- */
.ch-spinner{width:28px;height:28px;border-radius:50%;border:3px solid var(--ialth-line);
  border-top-color:var(--ialth-primary);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.ch-loading{display:flex;flex-direction:column;align-items:center;gap:.8rem;padding:3rem 0;color:var(--ialth-muted)}
.ch-box-error{border-color:rgba(255,66,0,.4);background:rgba(140,23,0,.15)}
.ch-box-error b{color:#FF8A66}
.ch-box-info{border-color:rgba(255,162,0,.35);background:rgba(255,162,0,.07)}
.ch-box-info b{color:var(--ialth-sand)}
.ch-box-success{border-color:rgba(0,204,0,.35);background:rgba(0,204,0,.08)}
.ch-box-success b{color:#7dff7d}
.ch-check{width:56px;height:56px;border-radius:50%;background:rgba(0,204,0,.14);
  border:1px solid rgba(0,204,0,.4);display:flex;align-items:center;justify-content:center;margin:0 auto 1rem}
.ch-check svg path{stroke-dasharray:30;stroke-dashoffset:30;animation:chDraw .6s .25s ease forwards}
@keyframes chDraw{to{stroke-dashoffset:0}}
.ch-h2{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:700;text-align:center;letter-spacing:-.01em}
.ch-centered{text-align:center}
.ch-muted{color:var(--ialth-muted);font-size:.85rem}
.ch-payid{font-size:.72rem;color:var(--ialth-muted);letter-spacing:.06em}
.ch-retry{margin-top:1rem}

/* Próximos passos (confirmação) */
.ch-nextsteps{list-style:none;margin:1.3rem 0;display:flex;flex-direction:column;gap:.6rem;text-align:left}
.ch-nextsteps li{display:flex;gap:.7rem;align-items:center;background:var(--ialth-bg-2);
  border:1px solid var(--ialth-line);border-radius:10px;padding:.7rem .95rem;font-size:.88rem}
.ch-nextsteps i{font-style:normal;width:22px;height:22px;flex:none;border-radius:50%;
  background:var(--ialth-grad);color:#1A0D00;font-weight:700;font-size:.68rem;
  display:inline-flex;align-items:center;justify-content:center}

/* ---------- Erro fatal / oferta indisponível ---------- */
.ch-gone{max-width:520px;margin:3rem auto;text-align:center}

/* ---------- Reveal (somente com movimento permitido) ---------- */
@media(prefers-reduced-motion:no-preference){
  .ch-vitrine>.ch-card{animation:chUp .5s ease both}
  .ch-vitrine>.ch-card:nth-child(2){animation-delay:.08s}
  @keyframes chUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
}

/* ---------- Embed (?embed=1) ---------- */
body.embed .ch-header,body.embed .ch-footer{display:none}
body.embed .ch-main{width:min(680px,100%);margin:1rem auto 2rem}
body.embed .ch-card{border-radius:10px}

/* ---------- Acessibilidade ---------- */
:focus-visible{outline:2px solid var(--ialth-secondary);outline-offset:2px}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
  .ch-bg{animation:none}
}