/* ==========================================================================
   /alta — calculadora de plan a medida + formulario de activación
   ========================================================================== */

.alta-wrap {
    display: flex; justify-content: center;
    padding: 56px 20px 70px;
}

.calc {
    width: 100%; max-width: 480px;
    padding: 28px 26px;
    background: #fff;
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, .06);
}

.calc-title { margin: 0; font-size: 22px; font-weight: 700; color: #0F172A; }
.calc-sub   { margin: 8px 0 24px; font-size: 13.5px; color: #64748B; line-height: 1.55; }
.calc-sub b { color: #0F172A; }

/* Sliders */
.calc-campo { margin-bottom: 14px; }
.calc-campo label {
    display: flex; justify-content: space-between; align-items: baseline;
    font-size: 13.5px; font-weight: 500; color: #334155; margin-bottom: 6px;
}
.calc-campo label b { font-family: 'IBM Plex Mono', monospace; font-size: 15px; color: #0F172A; }
.calc-campo input[type="range"] { width: 100%; accent-color: #0F172A; cursor: pointer; }

/* Precio */
.calc-precio {
    background: #F8FAFC; border-radius: 10px;
    padding: 16px; text-align: center; margin: 18px 0;
}
.calc-precio-lbl { font-size: 13px; color: #64748B; }
.calc-precio-num { font-size: 32px; font-weight: 700; color: #0F172A; font-family: 'IBM Plex Mono', monospace; }
.calc-precio-num small { font-size: 14px; font-weight: 500; color: #64748B; }

/* Form */
.calc-form input {
    width: 100%; box-sizing: border-box;
    padding: 11px 12px; margin-bottom: 10px;
    border: 1px solid #E2E8F0; border-radius: 8px;
    font: inherit; font-size: 14.5px; color: #0F172A;
}
.calc-form input:focus { outline: none; border-color: #0F172A; box-shadow: 0 0 0 3px rgba(15, 23, 42, .08); }
.calc-form button {
    width: 100%; padding: 13px; margin-top: 4px;
    background: #0F172A; color: #fff; border: none; border-radius: 8px;
    font: inherit; font-size: 14.5px; font-weight: 600; cursor: pointer;
    transition: background .15s, transform .1s;
}
.calc-form button:hover { background: #1E293B; }
.calc-form button:active { transform: scale(.99); }

.form-err {
    margin: 0 0 12px; padding: 10px 12px;
    background: #FEF2F2; border: 1px solid #FECACA; border-radius: 8px;
    font-size: 13px; color: #B91C1C;
}

/* Éxito */
.calc-ok {
    padding: 14px 16px;
    background: #ECFDF5; border: 1px solid #10B981; border-radius: 10px;
    color: #065F46; font-size: 14px;
}
.calc-ok-t { margin: 0 0 4px; font-weight: 700; }
.calc-ok p { margin: 0 0 4px; }
.calc-ok-codigo b { font-family: 'IBM Plex Mono', monospace; font-size: 16px; }

.calc-pie { margin: 18px 0 0; text-align: center; font-size: 12px; color: #94A3B8; }