/* ============================================================
   Comprar — el CSS del mockup aprobado mockups/comprar.html, tal cual (brief §0). Solo se
   quitaron las reglas de su barra de demostración (.intro, .brand, .note, .hint). [hidden] lo
   resuelve cedral.css, como el marco de artifact donde se aprobó el mockup.
   ============================================================ */
  :root{--paper:#EFEBE1;--paper2:#E6E1D4;--ink:#1B211C;--muted:#6B7368;--rule:#CFC8B8;--moss:#1F4D3A;--moss-soft:rgba(31,77,58,.1);--copper:#B4632E;--mist:#DCE7E6;--font:"Montserrat",system-ui,-apple-system,"Segoe UI",sans-serif}
  html{color-scheme:light;scroll-behavior:smooth}
  @media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
  body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased}
  .wrap{padding-inline:clamp(16px,5vw,64px)}
  .eb{font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--moss);margin:0 0 12px;font-weight:600}
  h1,h2,h3{text-wrap:balance}
  .btn{display:inline-block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;padding:13px 20px;border:1px solid var(--moss);border-radius:2px;color:#fff;background:var(--moss);text-decoration:none;cursor:pointer;font-family:inherit}
  .btn.ghost{background:transparent;color:var(--moss)}
  .btn[disabled]{opacity:.35;cursor:not-allowed}
  .pend{color:var(--copper);font-style:italic}

  .hero{padding-block:64px 40px;max-width:64ch}
  .hero h1{font-weight:300;font-size:clamp(36px,6vw,74px);margin:0;line-height:1;letter-spacing:-.02em}
  .hero h1 b{font-weight:800}
  .hero p{color:#3B423C;line-height:1.55;margin:18px 0 0;font-size:clamp(15px,1.7vw,18px);max-width:46ch}
  .hero .k{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-top:16px;font-weight:600}

  .conf{border-top:1px solid var(--ink);padding-block:8px 72px;display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:clamp(24px,5vw,72px);align-items:start}
  .step{padding-block:44px 36px;border-bottom:1px solid var(--rule)}
  .step[hidden]{display:none}
  .step .eb{margin-bottom:8px}
  .step h3{font-weight:800;font-size:clamp(22px,3vw,34px);margin:0;line-height:1.05}
  .step>p{color:#3B423C;line-height:1.6;max-width:56ch;margin:10px 0 0;font-size:15px}
  .opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-top:22px}
  .opt{position:relative}
  .opt input{position:absolute;opacity:0;inset:0;width:100%;height:100%;cursor:pointer;margin:0}
  .opt label{display:block;border:1px solid var(--rule);border-radius:3px;background:#fff;padding:18px 20px;height:100%;box-sizing:border-box;cursor:pointer;transition:border-color .25s,box-shadow .25s,opacity .35s}
  .opt label b{display:block;font-weight:800;font-size:17px;margin-bottom:6px}
  .opt label span{display:block;font-size:14px;color:#3B423C;line-height:1.5}
  .step.picked .opt label{opacity:.42}.step.picked .opt input:checked+label{opacity:1}
  .opt input:checked+label{border-color:var(--moss);box-shadow:0 0 0 2px var(--moss-soft),inset 0 0 0 1px var(--moss)}
  .opt input:focus-visible+label{outline:2px solid var(--copper);outline-offset:2px}
  .fld{display:flex;flex-direction:column;gap:6px}
  .fld label{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:600}
  .fld input,.fld select,.fld textarea{font:inherit;font-size:15px;padding:11px 12px;border:1px solid var(--rule);border-radius:2px;background:#fff;color:var(--ink);width:100%;box-sizing:border-box}
  .fld input:focus,.fld select:focus,.fld textarea:focus{outline:2px solid var(--moss);outline-offset:1px;border-color:var(--moss)}
  .form{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px;max-width:640px}
  .form .full{grid-column:1/-1}
  .zone{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;margin-top:18px;max-width:520px}
  .zone[hidden]{display:none}
  .ship{margin-top:12px;font-size:13px;color:var(--muted)}

  /* box builder */
  .presets{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
  .presets button{font:inherit;font-size:12px;letter-spacing:.08em;padding:9px 14px;border:1px solid var(--rule);border-radius:999px;background:#fff;cursor:pointer;color:var(--ink)}
  .presets button:hover{border-color:var(--moss)}
  .bar{margin-top:22px;border:1px solid var(--rule);border-radius:3px;background:#fff;padding:12px 14px;display:flex;align-items:center;gap:14px;position:sticky;top:0;z-index:2}
  .bar .track{flex:1;height:8px;background:var(--paper2);border-radius:4px;overflow:hidden}
  .bar .fill{height:100%;background:var(--moss);width:0;transition:width .3s}
  .bar .fill.over{background:var(--copper)}
  .bar b{font-variant-numeric:tabular-nums;font-size:14px;white-space:nowrap}
  .rows{margin-top:16px;display:flex;flex-direction:column}
  .row{display:grid;grid-template-columns:1fr auto auto;gap:14px;align-items:center;padding:14px 0;border-bottom:1px solid var(--rule)}
  .row .nm b{display:block;font-weight:800;font-size:15px}
  .row .nm span{font-size:12px;color:var(--muted)}
  .row .pr{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
  .qty{display:flex;align-items:center;border:1px solid var(--rule);border-radius:2px;background:#fff}
  .qty button{width:36px;height:36px;border:0;background:none;font:inherit;font-size:18px;cursor:pointer;color:var(--moss)}
  .qty button:disabled{opacity:.3;cursor:not-allowed}
  .qty output{width:32px;text-align:center;font-variant-numeric:tabular-nums;font-weight:600}
  .less{margin-top:18px;font-size:13px;color:var(--muted)}
  .less a{color:var(--moss)}

  .side{position:sticky;top:16px;border:1px solid var(--ink);border-radius:3px;background:#fff;padding:22px}
  .side .eb{margin-bottom:10px}
  .side .id{font-size:12px;letter-spacing:.12em;color:var(--muted);font-variant-numeric:tabular-nums;margin-bottom:10px}
  .side ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px;font-size:14px}
  .side li{display:flex;justify-content:space-between;gap:12px;padding-bottom:6px;border-bottom:1px solid var(--rule)}
  .side li span{color:var(--muted)}.side li b{font-weight:600;text-align:right;font-variant-numeric:tabular-nums}
  .side .tot{display:flex;justify-content:space-between;margin-top:12px;font-weight:800;font-size:16px}
  .side .tot small{font-weight:400;color:var(--muted);font-size:12px}
  .side .go{margin-top:16px;width:100%;box-sizing:border-box;text-align:center}
  .side .tiny{margin-top:12px;font-size:11px;color:var(--muted);line-height:1.5}
  .side .sent{display:none;margin-top:12px;font-size:12px;line-height:1.5;color:var(--moss)}
  .side.done .sent{display:block}.side.done .go,.side.done .tiny{display:none}
  .side .again{display:none;margin-top:10px;width:100%;box-sizing:border-box;text-align:center}
  .side.done .again{display:inline-block}
  .side .visit{display:none;margin-top:14px;font-size:13px;line-height:1.5;border-top:1px solid var(--rule);padding-top:12px}
  .side.done.retiro .visit{display:block}
  .side .visit a{color:var(--moss)}
  .side .toggle{display:none}
  @media (max-width:900px){
    .conf{grid-template-columns:1fr}
    .side{position:fixed;left:0;right:0;bottom:0;top:auto;border-radius:0;border-width:1px 0 0;padding:12px clamp(16px,5vw,64px);z-index:5;box-shadow:0 -10px 30px rgba(27,33,28,.08)}
    .side ul,.side .tiny,.side .id,.side .eb{display:none}.side.open ul{display:flex}.side.open .tiny,.side.open .id{display:block}
    .side .toggle{display:block;width:100%;background:none;border:0;font:inherit;text-align:left;padding:0 0 8px;cursor:pointer;color:var(--ink);font-size:13px}
    .side .toggle b{font-weight:800}
    .side .tot{margin-top:0}
    body{padding-bottom:140px}
    .side.done{position:static;box-shadow:none;border:1px solid var(--ink);margin-top:24px}
  }
  @media (max-width:760px){.form,.zone{grid-template-columns:1fr}.row{grid-template-columns:1fr auto}.row .pr{display:none}}

/* El mockup se aprobó dentro del marco de artifact de claude.ai, cuyo reset pone el cuerpo a
   14 px (y las imágenes a max-width:100%): todo lo que el mockup mide en ch o hereda, se mide así. */
body{font-size:14px}
img{max-width:100%}