@font-face{font-family:'Anton';font-weight:400;font-display:swap;src:url('../fonts/anton-400.woff2') format('woff2')}
@font-face{font-family:'Barlow';font-weight:400;font-display:swap;src:url('../fonts/barlow-400.woff2') format('woff2')}
@font-face{font-family:'Barlow';font-weight:600;font-display:swap;src:url('../fonts/barlow-600.woff2') format('woff2')}
@font-face{font-family:'Barlow Condensed';font-weight:700;font-display:swap;src:url('../fonts/barlowcond-700.woff2') format('woff2')}
:root{--negro:#0A0A0C;--carbon:#121215;--carbon2:#18181D;--gris:#9A9EA6;--gris2:#5F636B;--linea:rgba(255,255,255,.1);--ok:#2FA36B;--ambar:#E8B93B}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Barlow',system-ui,sans-serif;background:var(--negro);color:#fff;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:780px;margin:0 auto;padding:0 clamp(1.1rem,4vw,2rem)}
nav{border-bottom:1px solid var(--linea);position:sticky;top:0;background:rgba(10,10,12,.95);backdrop-filter:blur(12px);z-index:10}
nav .wrap{display:flex;align-items:center;justify-content:space-between;padding:.9rem clamp(1.1rem,4vw,2rem);max-width:1180px;gap:1rem}
nav img{height:30px;width:auto}
nav a.vol{font-family:'Barlow Condensed',sans-serif;font-weight:700;text-transform:uppercase;letter-spacing:.1em;font-size:.85rem;color:var(--gris);text-decoration:none}
nav a.vol:hover{color:#fff}
header{padding:2.6rem 0 1.6rem}
h1{font-family:'Anton',sans-serif;font-weight:400;text-transform:uppercase;font-size:clamp(1.7rem,4vw,2.5rem);line-height:1}
.act{font-family:'Barlow Condensed',sans-serif;font-weight:700;text-transform:uppercase;letter-spacing:.16em;font-size:.7rem;color:var(--gris);margin-top:.7rem}
main{padding-bottom:4rem}
h2{font-family:'Barlow Condensed',sans-serif;font-weight:700;text-transform:uppercase;letter-spacing:.03em;font-size:1.22rem;margin:2.2rem 0 .7rem;padding-top:1.4rem;border-top:1px solid var(--linea)}
h3{font-family:'Barlow Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:1rem;letter-spacing:.04em;margin:1.4rem 0 .4rem;color:#dfe1e5}
p,li{color:#c9ccd1;font-size:1rem}
p{margin-bottom:.85rem}
ul,ol{margin:0 0 .95rem 1.15rem}
li{margin-bottom:.4rem}
strong,b{color:#fff;font-weight:600}
.caja{border:1px solid var(--linea);border-radius:12px;padding:1.1rem 1.3rem;margin:1.2rem 0;background:var(--carbon)}
.pendiente{border-color:rgba(232,185,59,.5);background:rgba(232,185,59,.09)}
.pendiente b{color:var(--ambar)}
.dato{color:var(--ambar);font-weight:600}
footer{border-top:1px solid var(--linea);padding:2rem 0 3rem;color:var(--gris2);font-size:.86rem}
footer a{color:var(--gris)}
.enlaces{display:flex;gap:1.2rem;flex-wrap:wrap;margin-bottom:.9rem}
.enlaces a{font-family:'Barlow Condensed',sans-serif;font-weight:700;text-transform:uppercase;letter-spacing:.1em;font-size:.78rem;text-decoration:underline;text-underline-offset:4px}
/* formulario del libro */
.f{margin-bottom:.95rem}
.f label{display:block;font-family:'Barlow Condensed',sans-serif;font-weight:700;text-transform:uppercase;letter-spacing:.11em;font-size:.68rem;color:var(--gris);margin-bottom:.32rem}
input[type=text],input[type=email],input[type=tel],select,textarea{width:100%;background:var(--carbon2);color:#fff;border:1px solid rgba(255,255,255,.16);border-radius:9px;padding:.62rem .78rem;font-family:'Barlow',sans-serif;font-size:1rem}
input:focus,select:focus,textarea:focus{outline:0;border-color:#fff}
textarea{min-height:110px;resize:vertical;line-height:1.55}
.dos{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:.95rem}
.req{color:#E38A76}
.ck{display:flex;gap:.6rem;align-items:center;background:var(--carbon2);border:1px solid rgba(255,255,255,.12);border-radius:9px;padding:.62rem .8rem;cursor:pointer}
.ck input{width:17px;height:17px;accent-color:var(--ok);flex:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:'Barlow Condensed',sans-serif;font-weight:700;text-transform:uppercase;letter-spacing:.07em;font-size:1rem;padding:.8rem 1.7rem;border-radius:999px;border:0;cursor:pointer;background:#fff;color:var(--negro)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.malo{background:rgba(198,69,44,.14);border:1px solid rgba(198,69,44,.45);color:#E9A18C;border-radius:9px;padding:.75rem 1rem;margin-bottom:1rem}
.bien{border:1px solid rgba(47,163,107,.5);background:rgba(47,163,107,.1);border-radius:12px;padding:1.6rem;text-align:center}
.bien code{display:block;font-family:ui-monospace,Menlo,monospace;font-size:1.6rem;letter-spacing:.1em;background:#0A0A0C;border:1px solid var(--linea);border-radius:9px;padding:.8rem;margin:.9rem 0;user-select:all}