/* libros.pablopaludi.com · look Multifaceticidad (mismo sistema que libro.multifaceticidad.com) */
:root{color-scheme:dark;--cyan:#10c8e5;--magenta:#ec197b;--yellow:#e5cb39;--green:#a3d623;--ink:#050505;--card:#0f0f12;--line:#2c2c32;--muted:#b8b8bf;font-family:Arial,Helvetica,sans-serif;background:var(--ink);color:#fff}
*{box-sizing:border-box}body{margin:0;background:var(--ink);color:#fff;-webkit-text-size-adjust:100%}
button,input,select{font:inherit}a{color:inherit}img{max-width:100%}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}
[hidden]{display:none!important}
header{max-width:1240px;margin:auto;padding:10px 5vw;display:flex;justify-content:space-between;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0}.brand img{width:54px;height:54px;object-fit:contain}
.brand span{font-weight:800;font-size:15px;letter-spacing:.02em}
.back{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:12px 18px;border:1px solid var(--cyan);border-radius:8px;background:#101417;color:#fff;font-size:14px;font-weight:700;line-height:1.3;text-align:center;text-decoration:none}
.back:hover{background:#10343a;border-color:#73e7f7}
main{max-width:1240px;margin:20px auto 70px;padding:0 5vw}
.eyebrow{font-weight:800;font-size:12px;letter-spacing:.12em;line-height:1.7;margin:0 0 8px;text-transform:uppercase}
.cyan{color:var(--cyan)}.magenta{color:#ff5aa5}.yellow{color:var(--yellow)}
h1{font-size:clamp(34px,4.2vw,58px);line-height:1.04;letter-spacing:-.05em;margin:0 0 18px;font-weight:900}
h1 span{color:var(--cyan)}
h2{font-size:clamp(28px,3.2vw,42px);letter-spacing:-.04em;line-height:1.1;margin:0 0 26px}
.intro{font-size:17px;line-height:1.55;color:#c5c5cb;max-width:560px;margin:0 0 24px}
.primary{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:8px;background:var(--magenta);color:#fff;padding:15px 22px;font-weight:800;text-decoration:none;font-size:16px;min-height:50px;cursor:pointer;text-align:center}
.primary:hover{background:#ff268c}.primary:disabled{opacity:.6;cursor:wait}
.secondary{display:inline-flex;align-items:center;justify-content:center;border:1px solid #4a4a52;border-radius:8px;background:#121215;color:#fff;padding:14px 20px;font-weight:700;text-decoration:none;font-size:15px;min-height:50px;text-align:center}
.secondary:hover{border-color:var(--cyan);background:#10343a}
.actions{display:flex;flex-wrap:wrap;gap:10px}
.rainbow{height:3px;border:0;margin:0;background:linear-gradient(90deg,var(--cyan) 0 33.3%,var(--magenta) 33.3% 66.6%,var(--yellow) 66.6% 100%)}
/* Portada del catálogo */
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:5vw;align-items:center;padding:20px 0 50px}
.hero-covers{position:relative;display:flex;justify-content:center;align-items:center;min-height:460px;padding:10px 0 40px}
.hero-covers img{display:block;height:auto;border:1px solid #66666f;border-radius:3px;box-shadow:15px 18px 48px #000}
.hero-covers .c1{width:32%;transform:rotate(-7deg) translateX(22%);z-index:1}
.hero-covers .c2{width:37%;z-index:3;position:relative}
.hero-covers .c3{width:54%;transform:rotate(5deg) translate(-16%,18%);z-index:2}
.author-chip{display:flex;align-items:center;gap:12px;margin-top:6px;color:#c5c5cb;font-size:14px}
.author-chip img{width:52px;height:52px;border-radius:50%;object-fit:cover;object-position:52% 24%;border:1px solid #72727c}
.catalog{border-top:1px solid #333;padding-top:44px;scroll-margin-top:16px}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;flex-direction:column;min-width:0}
.card .cover{display:flex;justify-content:center;align-items:center;height:300px;margin-bottom:20px;background:radial-gradient(circle at 50% 60%,#1a1a20,#0f0f12 70%);border-radius:10px}
.card .cover img{width:auto;height:auto;max-height:270px;max-width:92%;border:1px solid #55555e;border-radius:2px;box-shadow:10px 14px 36px #000}
.badge{display:inline-block;align-self:flex-start;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;padding:6px 10px;border-radius:30px;margin-bottom:12px}
.badge.pre{background:#ec197b22;color:#ff72b1;border:1px solid #ec197b88}.badge.ya{background:#10c8e522;color:#7be6f6;border:1px solid #10c8e588}
.card h3{font-size:22px;letter-spacing:-.02em;margin:0 0 8px;line-height:1.2}
.card .by{font-size:13px;color:#9b9ba5;margin:0 0 12px}
.card p.desc{font-size:15px;line-height:1.55;color:#c5c5cb;margin:0 0 18px;flex:1}
.card .prices{font-size:14px;color:#ddd;margin:0 0 18px;line-height:1.7}
.card .prices b{font-size:18px;color:#fff}.card .prices small{color:#9b9ba5}
.card .actions a{flex:1 1 140px}
.author{border-top:1px solid #333;margin-top:70px;padding-top:48px;display:grid;grid-template-columns:200px minmax(0,1fr);gap:40px;align-items:start;scroll-margin-top:16px}
.author-portrait{width:180px;height:180px;padding:5px;border-radius:50%;background:conic-gradient(var(--cyan),var(--magenta),#f5b32b,#a3d623,var(--cyan))}
.author-portrait img{display:block;width:100%;height:100%;border-radius:50%;background:#000;object-fit:cover;object-position:52% 24%}
.author p{font-size:16px;line-height:1.75;color:#c5c5cb;margin:0 0 14px;max-width:760px}
.author h3{font-size:23px;margin:0 0 16px}
.socials{display:flex;gap:12px;margin-top:18px}.socials a{display:inline-flex;width:44px;height:44px;border:1px solid #45454c;border-radius:50%;align-items:center;justify-content:center}
.socials a:hover{border-color:var(--cyan);background:#10343a}.socials svg{width:22px;height:22px;fill:currentColor}
.cert{margin-top:60px;border:1px solid var(--line);border-radius:14px;padding:28px;background:linear-gradient(135deg,#10c8e512,#ec197b10);display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cert p{margin:0;color:#c5c5cb;line-height:1.55;max-width:680px}.cert h3{margin:0 0 6px;font-size:21px}
/* Ficha */
.book{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:5vw;align-items:center}
.book figure{margin:0;display:flex;flex-direction:column;align-items:center;min-width:0}
.image-button{border:0;background:none;padding:0;cursor:zoom-in}
.image-button img{display:block;width:auto;max-width:100%;height:auto;max-height:clamp(300px,calc(100svh - 260px),540px);border:1px solid #66666f;border-radius:2px;box-shadow:15px 18px 48px #000}
.book.wide .image-button img{height:auto;max-height:480px;width:100%}
.book figcaption{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:16px}
.book figcaption button{color:#bcbcc4;background:none;border:1px solid #37373d;border-radius:30px;padding:8px 16px;font-size:14px;cursor:pointer}
.book figcaption button[aria-pressed=true]{color:#fff;border-color:var(--cyan)}
.facts{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 24px;padding:0;list-style:none}
.facts li{font-size:13px;border:1px solid #3a3a42;border-radius:30px;padding:7px 12px;color:#ddd}
.formats-prices{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0 0 20px;max-width:520px}
.fp{border:1px solid #37373d;border-radius:10px;padding:14px 14px;text-decoration:none;display:block}
.fp:hover{border-color:var(--cyan);background:#10c8e510}
.fp span{display:block;font-weight:700;font-size:14px}.fp strong{display:block;font-size:26px;letter-spacing:-.03em;margin:6px 0 2px}.fp small{color:var(--muted);font-size:12px}
.details{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px;border-top:1px solid #333;margin-top:60px;padding-top:44px}
.details h3{font-size:19px;margin:0 0 12px}.details p,.details li{font-size:16px;line-height:1.65;color:#c5c5cb}.details ul{padding-left:20px;margin:0}
.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:40px}
.gallery button{border:0;padding:0;background:none;cursor:zoom-in}
.gallery img{display:block;width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:10px;border:1px solid #2f2f36}
/* Formulario de preventa */
.purchase{max-width:680px;margin:70px auto 0;border-top:1px solid #333;padding-top:36px;scroll-margin-top:16px}
.purchase h2{font-size:34px;margin:6px 0 10px}
.purchase .lead{color:#c5c5cb;font-size:15px;line-height:1.55;margin:0 0 22px}
legend,.purchase h3{font-size:16px;font-weight:700;margin:24px 0 12px;padding:0}
fieldset{border:0;padding:0;margin:0;min-width:0}
label{display:flex;flex-direction:column;gap:7px;font-size:14px;color:#dddde1;line-height:1.4}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:10px}.opts.three{grid-template-columns:repeat(3,1fr)}
.opts label{flex-direction:row;align-items:center;gap:10px;border:1px solid #37373d;border-radius:10px;padding:15px 12px;cursor:pointer;min-height:58px}
.opts label:has(input:checked){border-color:var(--cyan);background:#10c8e510}
.opts input{accent-color:var(--cyan);width:17px;height:17px;flex:none;margin:0;min-height:0}
.opts span{font-weight:700}.opts small{display:block;color:var(--muted);font-size:12px;font-weight:400;margin-top:3px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-bottom:13px}
input[type=text],input[type=email],input[type=tel],select{width:100%;padding:13px 12px;background:#141417;border:1px solid #39393f;border-radius:7px;color:#fff;min-height:46px}
.help{font-size:12px;color:var(--muted)}
.price{display:flex;align-items:end;justify-content:space-between;gap:12px;padding:20px 0 16px;border-bottom:1px solid #333;margin-top:10px}
.price span{display:block;font-size:13px;color:var(--muted)}.price strong{display:block;font-size:34px;letter-spacing:-.04em;margin-top:4px}
.price .alt{text-align:right;font-size:13px;color:var(--muted);line-height:1.5}
.note{font-size:13px;line-height:1.55;color:var(--muted);margin:12px 0 18px}
.consent{flex-direction:row!important;align-items:flex-start;font-size:12px!important;color:#b1b1bb!important;margin:20px 0;gap:10px!important}
.consent input{width:17px;height:17px;margin:0;accent-color:var(--cyan);flex:none}
.trap{position:absolute;left:-5000px;width:1px;height:1px;overflow:hidden}
.full{width:100%}
#mensaje:not(:empty){padding:16px;margin:16px 0;border:1px solid #ee6199;border-radius:8px;line-height:1.55;font-size:15px;color:#ffaccb}
.whatsapp-buy{display:block;text-align:center;padding:18px 5px;color:#b8efcf;font-size:14px;text-underline-offset:5px}
.box{border:1px solid var(--cyan);border-radius:12px;padding:22px;background:#10c8e50d;line-height:1.6;margin:18px 0}
.box h3{margin:0 0 10px;font-size:20px}.box p{margin:0 0 10px;color:#d6d6dc}
.alias{font-size:28px;font-weight:900;letter-spacing:-.02em;color:#fff;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.copy{font-size:13px;border:1px solid #4a4a52;background:#141417;color:#fff;border-radius:6px;padding:8px 12px;cursor:pointer}
footer{border-top:1px solid #242428;max-width:1240px;margin:auto;padding:25px 5vw 100px;display:flex;justify-content:space-between;gap:20px;color:#92929d;font-size:13px;flex-wrap:wrap}
footer a{color:#b8b8c0}
.bubble{position:fixed;right:22px;bottom:22px;width:56px;height:56px;border-radius:50%;background:#25d366;color:#052b14;display:grid;place-items:center;box-shadow:0 6px 25px #0008;z-index:20}
.bubble svg{width:33px;height:33px}
dialog{max-height:94vh;max-width:95vw;padding:15px;border:1px solid #555;border-radius:10px;background:#111;color:#fff}
dialog::backdrop{background:#000d}dialog img{display:block;max-height:80vh;max-width:85vw;object-fit:contain}
dialog button{display:block;margin:0 0 10px auto;background:#fff;color:#111;border:0;border-radius:6px;padding:10px 16px;cursor:pointer}
@media(max-width:900px){.grid{grid-template-columns:1fr 1fr}}
@media(max-width:800px){
 header{padding:6px 16px}.brand img{width:42px;height:42px}.brand span{font-size:13px}.back{min-height:40px;font-size:12px;padding:8px 10px;max-width:170px}
 main{padding:0 16px;margin-top:8px}
 .hero{grid-template-columns:1fr;gap:26px;padding:6px 0 36px}.hero-covers{min-height:0;order:-1}.hero-copy{text-align:center}.intro{margin-left:auto;margin-right:auto;font-size:16px}
 .hero .actions{justify-content:center}.author-chip{justify-content:center}
 .grid{grid-template-columns:1fr}.card .cover{height:260px}.card .cover img{max-height:230px}
 .author{grid-template-columns:1fr;gap:20px;margin-top:50px;padding-top:34px}.author-portrait{width:140px;height:140px}
 .book{grid-template-columns:1fr;gap:20px}.image-button img{height:auto;max-height:52svh}.book .hero-copy{text-align:left}
 .details{grid-template-columns:1fr;gap:26px;margin-top:40px}.gallery{grid-template-columns:1fr 1fr}
 .purchase{margin-top:44px}.purchase h2{font-size:29px}
 .opts.three{grid-template-columns:1fr}
 .bubble{width:48px;height:48px;right:12px;bottom:12px}.bubble svg{width:28px;height:28px}
 footer{padding:20px 16px 90px;flex-direction:column;gap:8px}
}
@media(max-width:420px){.two{grid-template-columns:1fr}.formats-prices{grid-template-columns:1fr 1fr}.fp strong{font-size:22px}.actions a,.actions .primary,.actions .secondary{width:100%}}
.gallery img{height:auto}
fieldset{margin-top:18px}fieldset legend{margin-top:0}
.price{flex-wrap:wrap}

/* 26/10 · nunca deformar imágenes: proporción natural en galería y miniaturas */
.gallery img{aspect-ratio:auto;height:auto;object-fit:contain;background:#0f0f12}
.opts.libros label{align-items:center}
.mini-tapa{flex:none;width:auto;height:72px;max-width:96px;object-fit:contain;border:1px solid #55555e;border-radius:2px;box-shadow:4px 6px 14px #000}
@media(max-width:560px){.opts.libros{grid-template-columns:1fr}.mini-tapa{height:64px}}