:root{
    --ink: #16233F;
    --ink-soft: #2C3A5C;
    --paper: #F4F1EA;
    --paper-line: #E4DFD2;
    --gold: #A9803F;
    --gold-soft: #D8C39A;
    --ok: #3C6E4C;
    --err: #A23E33;
  }

  *{ box-sizing: border-box; }

  body{
    margin:0;
    background: var(--ink);
    color: var(--paper);
    font-family: 'IBM Plex Sans', sans-serif;
    -webkit-font-smoothing: antialiased;
  }

  .wrap{
    max-width: 1080px;
    margin: 0 auto;
    padding: 48px 24px 90px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
  }

  @media (min-width: 880px){
    .wrap{
      grid-template-columns: 340px 1fr;
      align-items: start;
      padding-top: 70px;
    }
  }

  /* ---------- Sidebar / programa ---------- */
  .brand{
    font-family: 'IBM Plex Mono', monospace;
    letter-spacing: 0.12em;
    font-size: 12px;
    color: var(--gold-soft);
    text-transform: uppercase;
    margin-bottom: 18px;
  }

  h1{
    font-family: 'Fraunces', serif;
    font-weight: 600;
    font-size: clamp(32px, 4.2vw, 40px);
    line-height: 1.08;
    margin: 0 0 14px;
    color: var(--paper);
  }

  .lede{
    font-size: 15px;
    line-height: 1.6;
    color: #C7CADA;
    max-width: 46ch;
    margin: 0 0 36px;
  }

  .program{
    border-top: 1px solid rgba(216,195,154,0.25);
  }

  .program-item{
    display: grid;
    grid-template-columns: 46px 1fr;
    gap: 14px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(216,195,154,0.15);
  }

  .program-item .num{
    font-family: 'IBM Plex Mono', monospace;
    color: var(--gold);
    font-size: 13px;
    padding-top: 2px;
  }

  .program-item .t{
    font-size: 14px;
    color: #DEDFEA;
    font-weight: 500;
  }
  .program-item .d{
    font-size: 12.5px;
    color: #9CA1B8;
    margin-top: 2px;
  }

  .meta-row{
    margin-top: 28px;
    display:flex;
    gap: 22px;
    flex-wrap: wrap;
  }
  .meta-row div{
    font-size: 12px;
    color: #9CA1B8;
  }
  .meta-row strong{
    display:block;
    color: var(--paper);
    font-size: 14px;
    font-weight: 500;
    margin-top: 2px;
  }

  /* ---------- Formulario (tarjeta papel) ---------- */
  .card{
    background: var(--paper);
    color: var(--ink);
    border-radius: 2px;
    padding: 40px 36px 36px;
    position: relative;
    box-shadow: 0 30px 60px -20px rgba(0,0,0,0.5);
  }

  .card::before{
    content: "";
    position: absolute;
    inset: 10px;
    border: 1px solid var(--paper-line);
    pointer-events: none;
  }

  .card-eyebrow{
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 8px;
  }

  .card h2{
    font-family: 'Fraunces', serif;
    font-size: 24px;
    font-weight: 600;
    margin: 0 0 24px;
  }

  form{
    display: grid;
    gap: 18px;
  }

  .row2{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }
  @media (max-width: 560px){
    .row2{ grid-template-columns: 1fr; }
  }

  label{
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--ink-soft);
    margin-bottom: 6px;
  }

  label .req{ color: var(--gold); }

  input, select, textarea{
    width: 100%;
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 14.5px;
    padding: 11px 12px;
    border: 1px solid #C9C2AE;
    background: #FCFBF8;
    color: var(--ink);
    border-radius: 1px;
    transition: border-color .15s ease, box-shadow .15s ease;
  }

  input:focus, select:focus, textarea:focus{
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(169,128,63,0.18);
  }

  textarea{ resize: vertical; min-height: 80px; }

  fieldset{
    border: 1px solid #C9C2AE;
    padding: 14px 14px 10px;
    border-radius: 1px;
  }
  fieldset legend{
    font-size: 12.5px;
    font-weight: 600;
    color: var(--ink-soft);
    padding: 0 6px;
  }
  .check-row{
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 5px 0;
    font-size: 14px;
  }
  .check-row input{ width: auto; accent-color: var(--gold); }

  .submit-btn{
    margin-top: 8px;
    background: var(--ink);
    color: var(--paper);
    border: none;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 15px 20px;
    cursor: pointer;
    border-radius: 1px;
    transition: background .15s ease, transform .05s ease;
  }
  .submit-btn:hover{ background: #223258; }
  .submit-btn:active{ transform: translateY(1px); }
  .submit-btn:disabled{ opacity: 0.55; cursor: progress; }

  .hint{
    font-size: 12px;
    color: #7A7E8F;
    margin-top: -6px;
  }

  /* ---------- Resultado ---------- */
  #resultado{ margin-top: 22px; }

  .ticket{
    border: 1.5px dashed var(--ink);
    padding: 20px 22px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 14px;
    align-items: center;
    background: repeating-linear-gradient(135deg, rgba(169,128,63,0.05) 0 12px, transparent 12px 24px);
  }
  .ticket .label{
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ok);
    margin-bottom: 6px;
  }
  .ticket h3{
    font-family: 'Fraunces', serif;
    font-size: 19px;
    margin: 0 0 4px;
  }
  .ticket p{ margin: 0; font-size: 13.5px; color: var(--ink-soft); }
  .ticket .code{
    font-family: 'IBM Plex Mono', monospace;
    font-size: 20px;
    font-weight: 500;
    border-left: 1.5px dashed var(--ink);
    padding-left: 18px;
  }

  .error-box{
    border-left: 3px solid var(--err);
    background: #F8ECEA;
    color: #7A2A20;
    padding: 14px 16px;
    font-size: 13.5px;
    line-height: 1.5;
  }

  .spinner{
    display:inline-block;
    width: 13px; height: 13px;
    border: 2px solid rgba(244,241,234,0.4);
    border-top-color: var(--paper);
    border-radius: 50%;
    animation: spin .7s linear infinite;
    margin-right: 8px;
    vertical-align: -2px;
  }
  @keyframes spin{ to{ transform: rotate(360deg); } }

  footer{
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px 40px;
    font-size: 11.5px;
    color: #6C7290;
    font-family: 'IBM Plex Mono', monospace;
  }