/* Mara · contraseña del book (opción A: fotos en movimiento, solo estampados no exclusivos) */
body{background:#EDE9D7}
.kc{--fg:#541110;position:relative;min-height:max(100vh,640px);min-height:max(100svh,640px);overflow:hidden;background:#EDE9D7;color:#541110;font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-weight:300;font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
.kc *{box-sizing:border-box}
.kc p,.kc h1{margin:0}
.kc a{color:inherit}
.kc-top{position:absolute;left:0;right:0;top:0;z-index:3;display:flex;justify-content:space-between;align-items:flex-start;height:96px;padding:12px clamp(16px,3.6vw,52px) 0 clamp(20px,4.5vw,64px);background:linear-gradient(to bottom,#EDE9D7 64%,rgba(237,233,215,0))}
.kc .back{display:inline-flex;align-items:center;min-height:44px;font-weight:700;font-size:12px;letter-spacing:-.02em;text-transform:uppercase;text-decoration:none}
.kc .back:hover{text-decoration:underline;text-underline-offset:5px}
.kc .lang{display:flex}
.kc .lang button{appearance:none;background:none;border:0;color:inherit;cursor:pointer;min-width:44px;min-height:44px;padding:0 6px;font-family:"Accia Piano","Gill Sans",Optima,sans-serif;font-size:11px;letter-spacing:.24em}
.kc .lang button[aria-pressed="true"]{text-decoration:underline;text-underline-offset:7px;text-decoration-thickness:1px}

/* columnas en movimiento */
.kc-col{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.kc-lay{position:absolute;left:0;top:0;width:100%;will-change:transform}
.kc-lay-l{height:2800px;animation:kc-drift-14 47s linear infinite}
.kc-lay-r{height:2800px;animation:kc-drift-14 56s linear infinite}
.kc-lay-s{height:1800px;animation:kc-drift-9 24s linear infinite}
@keyframes kc-drift-14{from{transform:translateY(0)}to{transform:translateY(-1400px)}}
@keyframes kc-drift-9{from{transform:translateY(0)}to{transform:translateY(-900px)}}
@media (prefers-reduced-motion:reduce){.kc-lay{animation:none}}
.kc-col img,.kc-col .sq{position:absolute;display:block}
.kc-col img.ph{object-fit:cover}
.kc-col .sq{overflow:hidden}
.kc-col .sq img{position:static;width:100%;height:100%;object-fit:cover;transform:scale(1.15)}

/* centro */
.kc-in{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(660px,calc(100% - 40px));z-index:2;display:flex;flex-direction:column;align-items:center;text-align:center;gap:18px}
.kc .lbl{font-family:"Accia Piano","Gill Sans",Optima,sans-serif;font-size:11px;line-height:1.5;letter-spacing:.3em;text-transform:uppercase}
.kc h1{font-family:"Silver Editorial","Bodoni 72",Didot,Georgia,serif;font-weight:400;font-size:50px;line-height:1.08;text-transform:uppercase;letter-spacing:.005em;text-wrap:balance}
.kc .txt{font-size:13.5px;line-height:1.35;max-width:28em;text-wrap:balance}
.kc .m-clave,.kc .m-pide,.kc .m-ok{flex-direction:column;align-items:center;gap:18px;margin:0}
.kc .m-clave{display:flex}
.kc .m-pide,.kc .m-ok{display:none}
.kc-in[data-modo="pide"] .m-clave{display:none}
.kc-in[data-modo="pide"][data-sent="no"] .m-pide{display:flex}
.kc-in[data-modo="pide"][data-sent="si"] .m-ok{display:flex}
.kc .form{display:flex;align-items:flex-end;justify-content:center;gap:14px;margin-top:6px}
.kc .f-field{display:flex;flex-direction:column;gap:2px;width:250px;text-align:left}
.kc .f-field label{font-weight:700;font-size:11px;letter-spacing:-.01em;text-transform:uppercase}
.kc .f-in{appearance:none;border:0;border-bottom:1px solid var(--fg);background:transparent;color:var(--fg);font-family:inherit;font-weight:300;font-size:16px;padding:8px 0;min-height:44px;border-radius:0;width:100%}
.kc .f-in:focus{outline:none;border-bottom-width:2px}
.kc .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border:0;cursor:pointer;font-family:"Accia Piano","Gill Sans",Optima,sans-serif;font-size:11px;letter-spacing:.26em;text-transform:uppercase;text-decoration:none;background:#541110;color:#EDE9D7;white-space:nowrap}
.kc .btn:hover,.kc .btn:focus-visible{background:#A4432B;color:#EDE9D7}
.kc .btn[disabled]{opacity:.6;cursor:wait}
.kc .chk{display:flex;gap:10px;align-items:flex-start;width:474px;max-width:100%;text-align:left;font-size:11.5px;line-height:1.45;cursor:pointer}
.kc .chk a{text-decoration:underline;text-underline-offset:3px}
.kc .chk input{width:15px;height:15px;margin:1px 0 0;flex:none;accent-color:var(--fg)}
.kc .small{font-size:12.5px}
.kc .lnk{appearance:none;background:none;border:0;padding:10px 0;margin:0;color:inherit;cursor:pointer;font:inherit;text-decoration:underline;text-underline-offset:4px}
.kc .lnk:hover{text-decoration-thickness:2px}
.kc .ok{font-size:16px;line-height:1.5;white-space:nowrap}
.kc .f-err{max-width:28em}
.kc .m-pide .f-field{width:230px}
@media (max-width:760px){
.kc h1{font-size:34px}
.kc .ok{font-size:14px;white-space:normal;text-wrap:balance}
.kc-col{opacity:.28}
.kc .form{flex-direction:column;align-items:stretch;width:100%}
.kc .f-field,.kc .m-pide .f-field{width:100%}
.kc .btn{width:100%}
.kc .chk{width:100%}
}