:root{--bg:#060707;--panel:#101413;--panel-strong:#151b19;--line:#ffffff1f;--text:#f4f7f5;--muted:#aeb8b4;--accent:#23e6bd;--accent-dark:#061d19;--spotify:#176f3b;--spotify-hover:#1f8a4a;--youtube:#9f2f2f;--youtube-hover:#b83a3a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);margin:0;font-family:Inter,Verdana,Arial,sans-serif;line-height:1.5}a{color:inherit}iframe{border:0;display:block}.container{width:min(1120px,100% - 32px);margin:0 auto}.topbar{border-bottom:1px solid var(--line);color:var(--muted);background:#020303;font-size:13px}.topbar a{color:var(--accent);text-decoration:none}.topbar a:hover{text-decoration:underline}.topbar-inner{justify-content:space-between;align-items:center;gap:14px;padding:8px 0;display:flex}.header{z-index:20;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#060707db;border-bottom:1px solid 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#23e6bd61;align-items:end;min-height:430px;padding:72px 0 58px;display:grid}.hero-inner{grid-template-columns:minmax(0,1fr) minmax(260px,360px);align-items:center;gap:48px;max-width:1120px;display:grid}.hero-copy{min-width:0}.hero-mark{background:radial-gradient(circle,#23e6bd29,#0000 58%),#ffffff06;border:1px solid #23e6bd42;border-radius:8px;place-items:center;min-height:300px;display:grid;box-shadow:0 24px 70px #00000057}.hero-mark img{object-fit:contain;filter:drop-shadow(0 18px 34px #00000075);width:min(82%,300px);height:auto}.book-hero{align-items:center;min-height:calc(100vh - 120px);padding:48px 0 44px}.book-hero-inner{grid-template-columns:minmax(0,1fr) minmax(320px,430px);align-items:center;gap:46px;display:grid}.book-hero-copy h1{max-width:840px}.book-subtitle{color:#fff;max-width:680px;margin:16px 0 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var(--line);margin-top:18px;padding-top:16px}.mp-debug-result{gap:14px;margin-top:14px;display:grid}.mp-debug-data{gap:12px;display:grid}.mp-debug-form{gap:14px;display:grid}.mp-debug-actions{flex-wrap:wrap;gap:10px;display:flex}.mp-debug-output pre{border:1px solid var(--line);max-height:560px;color:var(--text);white-space:pre-wrap;overflow-wrap:anywhere;background:#050606;border-radius:8px;padding:14px;font-size:.88rem;line-height:1.5;overflow:auto}.mp-status-panel{gap:14px;display:grid}.mp-status-list{gap:8px;margin:10px 0 0;display:grid}.mp-status-list>div{border-bottom:1px solid var(--line);grid-template-columns:minmax(120px,180px) minmax(0,1fr);gap:10px;padding:10px 0;display:grid}.mp-status-list dt{color:var(--muted);font-weight:800}.mp-status-list dd{overflow-wrap:anywhere;margin:0}.checkout-panel label{color:#e8fff9;gap:8px;margin:22px 0;font-weight:800;display:grid}.checkout-panel input{min-height:44px;color:var(--text);font:inherit;background:#060707;border:1px solid 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#23e6bd59;border-radius:8px;justify-content:space-between;align-items:center;gap:26px;padding:28px;display:flex}.footer{color:var(--muted);text-align:center;border-top:1px solid #23e6bd59;padding:22px 16px}@media (max-width:760px){.topbar-inner,.header,.doc,.contact-box{flex-direction:column;align-items:stretch}.topbar-inner{gap:4px}.header{padding:14px 16px;position:static}.brand{justify-content:center}.brand span{display:none}.header nav{flex-wrap:wrap;justify-content:center;width:100%}.header nav a,.nav-buy,.nav-cart{text-align:center;flex:104px}#comprar-libro{scroll-margin-top:24px}.nav-feedback{text-align:center;width:100%;max-width:none;position:static}.hero{min-height:360px;padding:54px 0 44px}.hero-inner{grid-template-columns:1fr;gap:28px}.book-hero{min-height:auto;padding:28px 0 40px}.book-hero-inner{flex-direction:column;align-items:stretch;gap:16px;display:flex}.book-hero-copy{display:contents}.book-hero-copy .eyebrow{order:1}.book-hero-copy h1{order:2;font-size:clamp(34px,11vw,46px)}.book-subtitle{order:3}.book-cover-panel{order:4}.book-hero-copy .lead{order:5}.launch-campaign{order:6}.book-price-stack{order:7}.book-actions{order:8}.payment-note{order:9}.book-supports{order:10}.book-cover-panel{padding:14px}.book-cover-frame{width:min(78vw,280px)}.book-subtitle{font-size:19px}.book-price{font-size:30px}.book-supports span{text-align:center;flex:calc(50% - 8px)}.hero-mark{order:-1;min-height:190px}.hero-mark img{width:min(74%,240px)}.lead{font-size:16px}.section{padding:46px 0}.section-heading{display:block}.btn{width:100%}.product-detail,.checkout-grid,.book-detail-block,.include-panel,.cta-box,.include-list,.faq-grid{grid-template-columns:1fr}.include-action,.cta-side{justify-items:stretch}.cart-page-summary,.cart-line{flex-direction:column;align-items:stretch}.cart-line-side{justify-items:start}.small-promo-price{justify-items:stretch}}