:root{--card-bg: var(--bg-secondary);--input-bg: var(--bg-tertiary);--border-color: rgba(255, 215, 0, .1);--primary-color: var(--accent);--primary-hover: var(--accent-light);--text-muted: var(--text-secondary)}.checkout-header{background-color:var(--bg-secondary);padding:2rem 0;text-align:center;margin-bottom:2rem;box-shadow:var(--box-shadow)}.checkout-header .logo img{height:80px;margin-bottom:1rem;transition:var(--transition)}.checkout-header .logo img:hover{transform:scale(1.05)}.checkout-header h1{font-size:2.5rem;color:var(--accent);margin-top:1rem}.checkout-steps{display:flex;justify-content:space-between;margin:2rem auto;max-width:800px;position:relative}.checkout-steps:before{content:"";position:absolute;top:20px;left:0;right:0;height:2px;background-color:var(--border-color);z-index:1}.step{display:flex;flex-direction:column;align-items:center;position:relative;z-index:2}.step-number{width:40px;height:40px;border-radius:50%;background-color:var(--bg-tertiary);color:var(--text-secondary);display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:10px;border:2px solid var(--border-color);transition:var(--transition)}.step-title{color:var(--text-secondary);font-size:.9rem;text-align:center}.step.active .step-number{background-color:var(--accent);color:var(--black);border-color:var(--accent);box-shadow:0 0 0 4px #ffd7004d}.step.active .step-title{color:var(--accent);font-weight:600}.step.completed .step-number{background-color:#ffd7001a;color:var(--accent);border-color:var(--accent)}.checkout-content{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin:2rem 0}.ebook-info{background-color:var(--bg-secondary);padding:2rem;border-radius:var(--border-radius);box-shadow:var(--box-shadow);transition:var(--transition);border:1px solid transparent}.ebook-info:hover{border-color:var(--accent);transform:translateY(-5px);box-shadow:0 10px 30px #ffd70026}.ebook-info img{width:100%;max-width:300px;margin:0 auto 1.5rem;border-radius:var(--border-radius);box-shadow:0 5px 15px #0003;transition:var(--transition)}.ebook-info:hover img{transform:scale(1.03)}.ebook-title{color:var(--accent);text-align:center;margin-bottom:1.5rem}.ebook-description{color:var(--text-primary);margin-bottom:1.5rem;line-height:1.7}.ebook-features{margin-top:2rem}.ebook-features p{display:flex;align-items:center;gap:10px;margin-bottom:1rem;color:var(--text-primary)}.ebook-features i{color:var(--accent)}.payment-info{background-color:var(--bg-secondary);padding:2rem;border-radius:var(--border-radius);box-shadow:var(--box-shadow);transition:var(--transition);border:1px solid transparent}.payment-info:hover{border-color:var(--accent);transform:translateY(-5px);box-shadow:0 10px 30px #ffd70026}.payment-title{color:var(--accent);text-align:center;margin-bottom:2rem;position:relative}.payment-title:after{content:"";display:block;width:80px;height:3px;background-color:var(--accent);margin:15px auto 0}.payment-steps{margin-bottom:2rem}.payment-step{position:relative;padding-left:35px;margin-bottom:1.5rem;color:var(--text-primary)}.payment-step:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700;font-size:1.2rem}.terms-acceptance{background-color:var(--bg-tertiary);padding:1.5rem;border-radius:var(--border-radius);margin:2rem 0;box-shadow:var(--box-shadow);border-left:3px solid var(--accent)}.terms-acceptance label{display:flex;flex-direction:column;gap:10px;cursor:pointer;color:var(--text-primary);font-size:.95rem;line-height:1.5}.terms-acceptance .checkbox-container{display:flex;align-items:center;gap:10px}.terms-acceptance .terms-text{display:flex;flex-wrap:wrap;align-items:center;gap:5px 10px;margin-left:30px}.terms-acceptance input[type=checkbox]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:20px;height:20px;border:2px solid var(--text-secondary);border-radius:4px;cursor:pointer;position:relative;transition:var(--transition);flex-shrink:0}.terms-acceptance input[type=checkbox]:checked{background-color:var(--accent);border-color:var(--accent)}.terms-acceptance input[type=checkbox]:checked:after{content:"✓";position:absolute;color:var(--black);font-weight:700;font-size:.9rem;top:50%;left:50%;transform:translate(-50%,-50%)}.terms-acceptance a{color:var(--accent);text-decoration:none;font-weight:600;white-space:nowrap}.terms-acceptance a:hover{text-decoration:underline}.btn-checkout{display:inline-flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:1rem;background-color:var(--primary-color);color:var(--black);border:none;border-radius:var(--border-radius);font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .4s ease;text-decoration:none;margin-bottom:1.5rem;box-shadow:0 4px 15px #ffd7004d;position:relative;overflow:hidden}.btn-checkout:hover{background-color:var(--primary-hover);transform:translateY(-3px);box-shadow:0 6px 20px #ffd70066}.btn-checkout:after{content:"";position:absolute;top:50%;left:50%;width:5px;height:5px;background:#ffffff80;opacity:0;border-radius:100%;transform:scale(1) translate(-50%);transform-origin:50% 50%}.btn-checkout:hover:after{animation:ripple 1s ease-out}@keyframes ripple{0%{transform:scale(0);opacity:1}to{transform:scale(20);opacity:0}}.support-info{background-color:var(--bg-tertiary);padding:1.5rem;border-radius:var(--border-radius);margin-top:2rem;box-shadow:var(--box-shadow);border-left:3px solid var(--accent);transition:var(--transition)}.support-info:hover{background-color:#ffd7000d}.support-title{color:var(--accent);margin-bottom:1rem;font-size:1.2rem;text-align:center}.whatsapp-link{display:flex;align-items:center;justify-content:center;gap:10px;padding:.8rem 1.5rem;background-color:#25d366;color:#fff;border-radius:var(--border-radius);text-decoration:none;font-weight:600;margin:1rem 0;transition:var(--transition)}.whatsapp-link:hover{background-color:#128c7e;transform:translateY(-3px);box-shadow:0 4px 10px #0003}@media (max-width: 992px){.checkout-content{grid-template-columns:1fr}.ebook-info img{max-width:250px}}@media (max-width: 768px){.checkout-header h1{font-size:2rem}.step-title{font-size:.8rem}.payment-step{font-size:.95rem}.terms-acceptance label{font-size:.9rem}.terms-acceptance .terms-text{margin-left:0;gap:5px}}@media (max-width: 576px){.checkout-steps{flex-direction:column;align-items:flex-start;gap:1.5rem}.checkout-steps:before{display:none}.step{flex-direction:row;gap:1rem;align-items:center}.step-title{text-align:left}.checkout-header .logo img{height:60px}.ebook-info,.payment-info{padding:1.5rem}.terms-acceptance{padding:1rem}.terms-acceptance .terms-text{flex-direction:column;align-items:flex-start}}