/* Popup del libro «100 preguntas» (autónomo: sirve en la landing y en el blog) */
.ebm{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:16px;font-family:'Inter Tight',system-ui,sans-serif}
.ebm[hidden]{display:none}
.ebm-back{position:absolute;inset:0;background:rgba(10,8,6,.72);backdrop-filter:blur(4px);opacity:0;transition:opacity .2s}
.ebm-box{position:relative;width:min(560px,100%);max-height:calc(100vh - 32px);overflow:auto;background:#17140f;color:#f3ece0;border:1px solid rgba(243,236,224,.14);border-radius:22px;padding:30px 28px 26px;box-shadow:0 30px 80px rgba(0,0,0,.5);opacity:0;transform:translateY(16px) scale(.98);transition:opacity .22s,transform .22s cubic-bezier(.2,.7,.1,1)}
.ebm.on .ebm-back,.ebm.on .ebm-box{opacity:1}.ebm.on .ebm-box{transform:none}
.ebm-x{position:absolute;top:10px;right:12px;width:40px;height:40px;border:0;border-radius:50%;background:transparent;color:#f3ece0;font-size:28px;line-height:1;cursor:pointer}
.ebm-x:hover{background:rgba(243,236,224,.08)}
.ebm-k{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#f5c27a}
.ebm h2{font-family:'Instrument Serif',Georgia,serif;font-weight:400;font-size:clamp(28px,5vw,36px);line-height:1.08;margin:8px 0 18px;color:#f3ece0}
.ebm h2 em{font-style:italic;color:#f5c27a}
.ebm form{display:flex;flex-direction:column;gap:14px;margin:0}
.ebm-pick{border:0;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.ebm-pick legend{font-size:13px;color:#a79a86;margin-bottom:8px;padding:0}
.ebm-pick label{position:relative;display:block}
.ebm-pick input{position:absolute;opacity:0;width:1px;height:1px}
.ebm-pick span{display:block;text-align:center;padding:10px 4px;border-radius:100px;border:1px solid rgba(243,236,224,.25);font-size:15px;cursor:pointer;transition:background .15s,border-color .15s,color .15s;user-select:none}
.ebm-pick span:hover{border-color:#f5c27a}
.ebm-pick input:checked+span{background:#e8a34a;border-color:#e8a34a;color:#0f0d0b;font-weight:600}
.ebm-pick input:focus-visible+span{outline:2px solid #f3ece0;outline-offset:2px}
.ebm-cover{display:flex;gap:14px;align-items:center;background:rgba(243,236,224,.06);border-radius:14px;padding:10px 12px}
.ebm-cover img{width:52px;height:auto;border-radius:3px;box-shadow:0 4px 12px rgba(0,0,0,.4)}
.ebm-cover b{display:block;font-family:'Instrument Serif',Georgia,serif;font-weight:400;font-size:21px;line-height:1.15}
.ebm-cover span{font-size:13px;color:#a79a86}
.ebm-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ebm-row label{min-width:0;display:flex;flex-direction:column;gap:5px;font-size:13px;color:#a79a86}
.ebm-row input{width:100%;box-sizing:border-box;background:rgba(243,236,224,.07);border:1px solid rgba(243,236,224,.18);border-radius:10px;padding:12px 13px;color:#f3ece0;font:inherit;font-size:16px;min-width:0}
.ebm-row input:focus{outline:none;border-color:#e8a34a}
.ebm-chk{display:flex;gap:10px;align-items:flex-start;font-size:13px;line-height:1.4;color:#cfc3b0}
.ebm-chk input{margin-top:2px;accent-color:#e8a34a;flex:none}
.ebm-chk a{color:#f5c27a}
.ebm-err{background:#5a1f17;color:#fff;padding:9px 13px;border-radius:10px;font-size:14px;margin:0}
.ebm-btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:0;border-radius:100px;padding:15px 24px;background:#e8a34a;color:#0f0d0b;font:600 16px 'Inter Tight',system-ui,sans-serif;text-decoration:none;cursor:pointer;transition:background .15s}
.ebm-btn:hover{background:#f5c27a}.ebm-btn:disabled{opacity:.6;cursor:wait}
.ebm-hp{position:absolute;left:-9999px}
.ebm-done{display:grid;grid-template-columns:150px 1fr;gap:22px;align-items:center}
.ebm-done img{width:150px;height:auto;border-radius:4px;box-shadow:0 10px 30px rgba(0,0,0,.5)}
.ebm-sub{color:#cfc3b0;margin:-8px 0 16px;font-size:15px}
.ebm-tip{font-size:13px;color:#a79a86;margin-top:16px;line-height:1.45}
.ebm-done[hidden],.ebm-step[hidden]{display:none}
html.ebm-lock{overflow:hidden}
@media (max-width:520px){
  .ebm{align-items:flex-end;padding:0}
  .ebm-box{border-radius:22px 22px 0 0;padding:26px 18px 22px;max-height:94vh}
  .ebm-pick span{font-size:14px;padding:10px 2px}
  .ebm-row{grid-template-columns:1fr}
  .ebm-done{grid-template-columns:1fr;text-align:center}.ebm-done img{margin:0 auto;width:120px}
}
@media (prefers-reduced-motion:reduce){.ebm-back,.ebm-box{transition:none}}
.ebm *,.ebm *::before,.ebm *::after{box-sizing:border-box}