.checkout-page{
  min-height:100vh;
  background:#000;
  position:relative;
}
.co-bg{
  position:fixed;
  inset:0;
  z-index:0;
  background:#000 url('img/fondo-checkout.png') center top / cover no-repeat;
  pointer-events:none;
}
.co-bg::after{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(
    180deg,
    rgba(0,0,0,0.15) 0%,
    rgba(0,0,0,0.45) 40%,
    rgba(0,0,0,0.72) 70%,
    rgba(0,0,0,0.88) 100%
  );
}
.co-content{
  position:relative;
  z-index:1;
}
.co-top{
  border-bottom:1px solid var(--hair);
  background:rgba(0,0,0,0.72);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  position:sticky;top:0;z-index:40;
}
.co-top-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:12px;padding:18px 24px;min-height:68px;
}
.co-back{
  color:var(--muted);font-size:14px;text-decoration:none;
  justify-self:start;
}
.co-back:hover{color:var(--text)}
.co-urgency-inline{
  justify-self:center;
  background:#E23B3B;
  color:#fff;
  padding:8px 16px;
  border-radius:8px;
  font-weight:700;
  font-size:clamp(12px,2vw,14px);
  white-space:nowrap;
  box-shadow:0 4px 14px rgba(226,59,59,0.4);
  display:inline-block;
  animation:urgency-pulse 1.6s ease-in-out infinite;
  transform-origin:center center;
}
.co-urgency-inline.is-critical{
  background:#FF2D2D;
  animation:urgency-pulse-critical 0.8s ease-in-out infinite;
}
@keyframes urgency-pulse{
  0%,100%{transform:scale(0.96)}
  50%{transform:scale(1.06)}
}
@keyframes urgency-pulse-critical{
  0%,100%{transform:scale(0.94)}
  50%{transform:scale(1.1)}
}
.co-timer{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end;
  justify-self:end;
}
@media (max-width:720px){
  .co-top-inner{
    grid-template-columns:auto 1fr auto;
    justify-items:stretch;
    gap:8px;padding:10px 14px;min-height:auto;
  }
  .co-back{
    justify-self:start;font-size:12px;white-space:nowrap;
  }
  .co-urgency-inline{
    justify-self:center;
    padding:5px 8px;
    font-size:10.5px;
    white-space:normal;
    line-height:1.2;
    text-align:center;
  }
  .co-timer{
    justify-self:end;gap:6px;
  }
  .co-timer-label{display:none}
  .co-timer-chip{
    font-size:13px;padding:6px 10px;min-width:3.6em;
  }
}
.co-timer-label{color:#fff;font-size:14px;text-shadow:0 0 12px rgba(255,255,255,0.25)}
.co-timer-chip{
  font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:16px;
  background:#E23B3B;color:#fff;padding:8px 14px;border-radius:8px;
  min-width:4.5em;text-align:center;
  box-shadow:0 0 18px rgba(226,59,59,0.45);
  animation:chip-pulse 1.4s ease-in-out infinite;
  transform-origin:center center;
}
.co-timer-chip.is-urgent{
  animation:chip-pulse-urgent 0.7s ease-in-out infinite;
  background:#FF2D2D;
  box-shadow:0 0 22px rgba(255,45,45,0.7);
}
.co-timer-chip.expired{
  animation:none;
  background:#5a616f;
  box-shadow:none;
  transform:none;
}
@keyframes chip-pulse{
  0%,100%{transform:scale(0.94)}
  50%{transform:scale(1.1)}
}
@keyframes chip-pulse-urgent{
  0%,100%{transform:scale(0.9)}
  50%{transform:scale(1.16)}
}
.co-hero-space{
  min-height:min(72vh, 640px);
}
.co-block{
  width:100%;
  max-width:980px;
  margin:0 auto;
  padding:28px 24px;
  box-sizing:border-box;
}
.co-block--offer{padding-top:8px;padding-bottom:12px}
.co-block--chat{padding-bottom:48px}
.co-shot{
  display:block;
  width:100%;
  height:auto;
  border-radius:var(--radius);
  border:1px solid var(--hair);
  box-shadow:0 20px 60px rgba(0,0,0,0.55);
  background:#000;
}
.co-shot--chat{
  border:none;
  box-shadow:0 12px 40px rgba(37,211,102,0.18);
  transition:transform .2s ease, filter .2s ease;
}
.co-chat-link{
  display:block;
  text-decoration:none;
}
.co-chat-link:hover .co-shot--chat{
  transform:translateY(-3px);
  filter:brightness(1.06);
}
.co-main{
  padding:24px 24px 48px;
  max-width:980px;
}
.co-product{text-align:center;margin-bottom:28px}
.co-product h1{
  font-family:'Inter',sans-serif;font-weight:400;
  font-size:clamp(26px,4.2vw,38px);
  margin:0;color:#fff;
  text-shadow:0 0 22px rgba(255,255,255,0.3);
}
.co-banner{
  max-width:640px;
  margin:22px auto 16px;
  padding:16px 20px;
  border-radius:12px;
  background:linear-gradient(135deg, rgba(91,110,245,0.28), rgba(30,95,191,0.18));
  border:1px solid rgba(91,110,245,0.55);
  box-shadow:0 0 28px rgba(91,110,245,0.25);
  color:#fff;
  font-size:clamp(16px,2.4vw,19px);
  font-weight:600;
  line-height:1.4;
  text-shadow:0 0 14px rgba(0,0,0,0.45);
}
.co-price-banner{
  max-width:640px;
  margin:0 auto 8px;
  padding:18px 22px 16px;
  border-radius:12px;
  background:linear-gradient(135deg, rgba(255,122,69,0.22), rgba(40,18,10,0.78));
  border:1px solid rgba(255,122,69,0.65);
  box-shadow:0 0 32px rgba(255,122,69,0.28);
}
.co-price{
  font-family:'Fraunces',serif;font-size:clamp(36px,5.5vw,48px);
  color:#FF7A45;font-weight:700;
  text-shadow:0 0 28px rgba(255,122,69,0.55);
  margin:0;
}
.co-price-unit{
  font-size:0.42em;color:#FFB08A;
  font-family:'Inter',sans-serif;font-weight:600;
}
.co-price-msi{
  margin-top:8px;
  color:#fff;
  font-size:clamp(14px,2vw,16px);
  font-weight:500;
  opacity:0.95;
}
.co-layout{
  display:grid;
  grid-template-columns:1.2fr 0.9fr;
  gap:20px;
  align-items:start;
}
.co-left{display:flex;flex-direction:column;gap:20px}
@media (max-width:820px){
  .co-layout{grid-template-columns:1fr}
  .co-summary{position:static;top:auto}
  .co-hero-space{min-height:min(55vh, 420px)}
}
.co-card{
  background:rgba(18,22,31,0.88);
  border:1px solid var(--hair);
  border-radius:var(--radius);
  padding:28px 24px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 18px 50px rgba(0,0,0,0.45);
}
.co-card h2{
  font-size:20px;margin-bottom:8px;color:#fff;
}
.co-card-sub{
  color:var(--muted);font-size:13.5px;margin-bottom:18px;
}
.co-card-sub code{
  font-family:'IBM Plex Mono',monospace;font-size:12px;
  color:var(--gold);background:rgba(221,168,83,0.1);
  padding:1px 6px;border-radius:4px;
}
.co-fields{display:grid;gap:14px}
.co-field{display:flex;flex-direction:column;gap:6px;text-align:left}
.co-field span{font-size:13px;color:var(--muted);font-weight:500}
.co-field input{
  width:100%;
  background:rgba(35,42,58,0.95);
  border:1px solid var(--hair);
  border-radius:10px;
  color:var(--text);
  font:inherit;
  font-size:15px;
  padding:13px 14px;
  outline:none;
  transition:border-color .15s ease;
}
.co-field input:focus{border-color:rgba(91,110,245,0.65)}
.co-field input::placeholder{color:#5f6880}
.co-phone{display:flex;align-items:stretch;gap:0}
.co-phone-prefix{
  display:flex;align-items:center;
  background:rgba(35,42,58,0.95);
  border:1px solid var(--hair);
  border-right:0;
  border-radius:10px 0 0 10px;
  padding:0 12px;
  color:var(--muted);
  font-family:'IBM Plex Mono',monospace;font-size:13px;
}
.co-phone input{border-radius:0 10px 10px 0}
.co-error{
  margin-top:14px;color:#ff8f8f;font-size:14px;
  background:rgba(226,59,59,0.12);
  border:1px solid rgba(226,59,59,0.35);
  padding:10px 12px;border-radius:8px;
}
.co-bumps-block{
  margin-top:20px;padding-top:20px;
  border-top:1px solid var(--hair);
}
.co-bumps-heading{
  font-size:15px;font-weight:600;color:#fff;margin-bottom:4px;
}
.co-bumps{display:grid;gap:12px}
.co-bump{
  display:grid;
  grid-template-columns:22px 1fr;
  gap:12px;
  align-items:start;
  padding:16px;
  border:1px solid var(--hair);
  border-radius:12px;
  background:rgba(0,0,0,0.28);
  cursor:pointer;
  transition:border-color .15s ease, background .15s ease;
}
.co-bump.is-on{
  border-color:rgba(47,191,143,0.55);
  background:rgba(47,191,143,0.1);
}
.co-bump input{margin-top:4px;accent-color:var(--teal);width:16px;height:16px}
.co-bump-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:4px}
.co-bump-top strong{color:#fff;font-size:15px}
.co-bump-badge{
  font-family:'IBM Plex Mono',monospace;font-size:10px;
  letter-spacing:.04em;text-transform:uppercase;
  background:rgba(221,168,83,0.18);color:var(--gold);
  padding:3px 8px;border-radius:999px;
}
.co-bump-body p{color:var(--muted);font-size:13.5px;margin-bottom:8px;line-height:1.45}
.co-bump-price{color:var(--teal);font-weight:600;font-size:14px}
.co-summary{position:sticky;top:88px}
.co-lines{list-style:none;margin:18px 0;padding:0;border-top:1px solid var(--hair)}
.co-lines li{
  display:flex;justify-content:space-between;gap:12px;
  padding:12px 0;border-bottom:1px solid var(--hair);
  font-size:14px;color:var(--muted);
}
.co-lines li span:last-child{color:var(--text);white-space:nowrap}
.co-total{
  display:flex;justify-content:space-between;align-items:baseline;
  margin:8px 0 22px;font-size:15px;color:var(--muted);
}
.co-total strong{
  font-family:'Fraunces',serif;font-size:26px;color:#fff;font-weight:600;
}
.co-pay-btn{
  width:100%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--teal);color:var(--teal-dark);
  font-weight:700;font-size:16px;
  padding:16px 22px;border-radius:999px;border:none;cursor:pointer;
  transition:transform .15s ease, filter .15s ease;
}
.co-pay-btn:hover{transform:translateY(-1px);filter:brightness(1.05)}
.co-note{
  text-align:center;margin-top:14px;font-size:13px;color:var(--muted);
}
.co-foot{
  padding:20px 24px 48px;
  text-align:center;
  color:var(--muted);
  font-size:13px;
  background:transparent;
}
.gracias-wrap{
  min-height:70vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;
  padding:48px 24px;
  position:relative;z-index:1;
}
.gracias-wrap h1{font-size:clamp(28px,4vw,40px);margin:12px 0 14px;color:#fff}
.gracias-wrap p{color:var(--muted);max-width:420px;margin:0 auto 28px}
.gracias-wrap .co-pay-btn{max-width:360px;text-decoration:none}

@media (max-width:820px){
  .co-layout{grid-template-columns:1fr !important}
  .co-summary{position:static !important;top:auto !important}
}

.co-bumps-mobile{display:none}
@media (max-width:820px){
  .co-bumps-desktop{display:none !important}
  .co-bumps-mobile{display:block}
}