:root{
  --green:#4eaa32;
  --green-dark:#397f27;
  --blue:#082d5f;
  --ink:#1c2b38;
  --muted:#607080;
  --light:#f5f8fb;
  --line:#dce6ee;
  --danger:#b42318;
  --warning:#9a6700;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Segoe UI,sans-serif;color:var(--ink);background:var(--light);line-height:1.6}
a{text-decoration:none;color:inherit}
.container{width:min(1080px,calc(100% - 32px));margin:auto}
.site-header{background:#fff;border-bottom:1px solid var(--line)}
.header-row{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{font-size:24px;font-weight:900;color:var(--blue)}
.test-badge{background:#fff2cc;color:#7a5400;border-radius:999px;padding:6px 12px;font-size:12px;font-weight:800}
main{padding:55px 0}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 15px 35px rgba(8,45,95,.08)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
h1,h2,h3{color:var(--blue);line-height:1.15}
h1{font-size:clamp(36px,5vw,58px);margin:0 0 18px}
.price{font-size:46px;color:var(--green);font-weight:900}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:13px 20px;background:var(--green);color:#fff;font-weight:800;cursor:pointer}
.btn:hover{background:var(--green-dark)}
.btn-secondary{background:#e8f2f8;color:var(--blue)}
.btn-danger{background:#b42318}
.actions{display:flex;gap:12px;flex-wrap:wrap}
table{width:100%;border-collapse:collapse}
th,td{padding:14px;border-bottom:1px solid var(--line);text-align:left}
th{color:var(--blue)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
label{font-weight:800;color:var(--blue)}
input,select,textarea{width:100%;padding:12px 13px;border:1px solid #c9d6df;border-radius:9px;font:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:3px solid rgba(78,170,50,.16);border-color:var(--green)}
.notice{padding:16px 18px;border-radius:12px;background:#eef7ea;border-left:5px solid var(--green);margin:18px 0}
.notice.warning{background:#fff7e6;border-left-color:#f59e0b}
.notice.error{background:#fff1f0;border-left-color:var(--danger);color:var(--danger)}
.summary{background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:20px}
.payment-options{display:grid;gap:12px}
.payment-option{border:1px solid var(--line);border-radius:12px;padding:16px;display:flex;gap:12px;align-items:flex-start}
.payment-option.disabled{opacity:.6;background:#f3f4f6}
.payment-option input{width:auto;margin-top:5px}
small{color:var(--muted)}
footer{padding:30px 0;color:var(--muted);text-align:center}
@media(max-width:760px){
 .grid,.form-grid{grid-template-columns:1fr}
 .field.full{grid-column:auto}
 .header-row{align-items:flex-start;flex-direction:column;padding:16px 0}
}

.payment-option:not(.disabled):has(input:checked){
  border-color:var(--green);
  box-shadow:0 0 0 3px rgba(78,170,50,.12);
  background:#f7fcf5;
}

.payment-coming-soon{
  opacity:1!important;
  background:#fffaf0;
  border-color:#f2c66d;
}
.payment-radio-placeholder{
  flex:0 0 18px;
  width:18px;
  height:18px;
  margin-top:4px;
  border:2px solid #c6922e;
  border-radius:50%;
  background:#fff;
}
.coming-soon-badge{
  display:inline-flex;
  margin-left:8px;
  padding:3px 8px;
  border-radius:999px;
  background:#fff1c7;
  color:#8a5d00;
  font-size:11px;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.04em;
}

.email-help{
  margin-top:20px;
  padding:18px;
  border-radius:12px;
  background:#f8fafc;
  border:1px solid var(--line);
}

/* Integración visual con Excelcurso */
body{background:#f5f8fb}
.site-header .brand img{width:185px;height:auto;display:block}
.payment-main{padding:0}
.payment-section{padding-top:52px;padding-bottom:70px}
.payment-kicker{
  display:inline-block;color:#4eaa32;font-size:12px;font-weight:900;
  text-transform:uppercase;letter-spacing:.14em;margin-bottom:8px
}
.checkout-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);gap:28px;align-items:start}
.checkout-main{display:grid;gap:24px}
.checkout-sidebar .sticky-card{position:sticky;top:20px}
.payment-cart-link{background:#4eaa32;color:#fff!important;border-radius:8px;padding:9px 13px!important}
.cart-list{display:grid;gap:16px;margin:24px 0}
.cart-product{display:grid;grid-template-columns:120px 1fr auto;gap:20px;align-items:center;padding:18px;border:1px solid #dce6ee;border-radius:16px}
.cart-product img{width:120px;height:110px;object-fit:contain;border-radius:12px;background:#f8fafc}
.cart-product h2{font-size:22px;margin:0 0 6px}
.checkout-product{display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:center;padding:14px 0;border-bottom:1px solid #dce6ee}
.checkout-product img{width:72px;height:72px;object-fit:contain;border-radius:10px;background:#f8fafc}
.payment-total{font-size:20px;margin:20px 0}
.shipping-toggle,.legal-check label{display:flex;gap:10px;align-items:flex-start;font-weight:700;color:#082d5f}
.shipping-toggle input,.legal-check input{width:auto;margin-top:5px}
.shipping-fields{margin-top:22px;padding-top:22px;border-top:1px solid #dce6ee}
.payment-logo-option{display:grid;grid-template-columns:auto 1fr auto;align-items:center}
.payment-logo-option>img{width:90px;max-height:44px;object-fit:contain}
.payment-logo-option>img.cards-logo{width:145px}
.payment-submit{width:100%;margin-top:22px;font-size:16px}
.secure-copy{text-align:center;color:#607080;font-size:12px;margin:14px 0 0}
.payment-footer-logos{display:grid;gap:14px;background:#fff;border-radius:12px;padding:14px}
.payment-footer-logos img{width:100%;max-width:230px;max-height:70px;object-fit:contain}
.payment-options .payment-option{cursor:pointer}
.payment-options .payment-option:has(input:checked){border-color:#4eaa32;background:#f1faee;box-shadow:0 0 0 3px rgba(78,170,50,.12)}
@media(max-width:900px){
  .checkout-layout{grid-template-columns:1fr}
  .checkout-sidebar .sticky-card{position:static}
}
@media(max-width:620px){
  .cart-product{grid-template-columns:80px 1fr}
  .cart-product img{width:80px;height:80px}
  .cart-product>strong{grid-column:2}
  .payment-logo-option{grid-template-columns:auto 1fr}
  .payment-logo-option>img{grid-column:2;margin-top:8px}
}

.coupon-panel{
  margin:24px 0 18px;
  padding:20px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#f8fafc;
}
.coupon-panel h3{margin:0 0 12px}
.coupon-form{display:grid;grid-template-columns:1fr auto;gap:10px}
.coupon-form input{
  min-height:46px;
  border:1px solid #c9d6df;
  border-radius:9px;
  padding:11px 13px;
  font:inherit;
  text-transform:uppercase;
}
.applied-coupon{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:15px;
  padding:14px;
  border-radius:10px;
  background:#edf8e9;
  border:1px solid #c8e4bd;
}
.applied-coupon strong{color:var(--blue);margin-right:10px}
.applied-coupon span{color:var(--green);font-weight:900}
.coupon-remove{
  border:0;
  background:transparent;
  color:#b42318;
  font-weight:800;
  cursor:pointer;
}
.payment-totals{display:grid;gap:10px}
.payment-totals>div{display:flex;justify-content:space-between;gap:15px}
.payment-totals .discount-line{color:var(--green-dark)}
.payment-totals .grand-total{
  padding-top:12px;
  border-top:1px solid var(--line);
  font-size:21px;
}
.test-product-card{max-width:780px;margin:auto}
@media(max-width:620px){
  .coupon-form{grid-template-columns:1fr}
}