/* ============================================
       ESTILOS DEL FORMULARIO DE PROPUESTA
       ============================================ */
    .form-section {
        background: #ffffff;
        border: 1px solid #e8ecf1;
        border-radius: 12px;
        padding: 0;
        margin-bottom: 28px;
        overflow: hidden;
        box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    }

    .form-section-header {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 20px 28px;
        background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
        border-bottom: 1px solid #e8ecf1;
    }

    .form-section-icon {
        width: 44px;
        height: 44px;
        border-radius: 10px;
        background: #fb9902;
        color: #ffffff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        flex-shrink: 0;
        margin-top: -16px;
    }

    .form-section-title {
        margin: 0;
        font-size: 20px;
        font-weight: 700;
        color: #14176C;
        line-height: 1.2;
    }

    .form-section-subtitle {
        margin: 4px 0 0 0;
        font-size: 12px;
        color: #94a3b8;
        line-height: 1.3;
    }

    .form-section .row {
        padding: 24px 28px 8px;
    }

    .form-section .form-grp {
        margin-bottom: 20px;
    }

    .form-section label {
        display: block;
        font-size: 12px;
        font-weight: 600;
        color: #475569;
        margin-bottom: 6px;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    .form-section input[type="text"],
    .form-section input[type="number"],
    .form-section input[type="date"],
    .form-section select {
        width: 100%;
        height: 46px;
        padding: 0 14px;
        border: 1.5px solid #e2e8f0;
        border-radius: 8px;
        font-size: 14px;
        color: #1e293b;
        background: #ffffff;
        transition: border-color 0.2s ease, box-shadow 0.2s ease;
        outline: none;
        font-family: inherit;
    }

    .form-section input[type="text"]:focus,
    .form-section input[type="number"]:focus,
    .form-section input[type="date"]:focus,
    .form-section select:focus {
        border-color: #1a1a2e;
        box-shadow: 0 0 0 3px rgba(26,26,46,0.08);
    }

    .form-section input::placeholder {
        color: #b0bec5;
        font-size: 13px;
    }

    .form-section select {
        cursor: pointer;
        appearance: none;
        -webkit-appearance: none;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 14px center;
        padding-right: 36px;
    }

    .form-grp-icon {
        position: relative;
    }

    .form-grp-icon i {
        position: absolute;
        left: 14px;
        top: 50%;
        transform: translateY(-50%);
        color: #94a3b8;
        font-size: 14px;
        pointer-events: none;
    }

    .form-grp-icon input {
        padding-left: 38px !important;
    }

    .form-grp-label-inline {
        font-size: 12px;
        font-weight: 600;
        color: #94a3b8;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        margin-bottom: 8px !important;
        padding-top: 4px;
    }

    .form-section-footer {
        text-align: center;
        padding: 10px 28px 32px;
    }

    .form-section-footer .btn {
        display: inline-flex;
        align-items: center;
        background: #1a1a2e;
        color: #ffffff;
        border: none;
        padding: 16px 40px;
        border-radius: 8px;
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        transition: background 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
        letter-spacing: 0.3px;
    }

    .form-section-footer .btn:hover {
        background: #0f3460;
        box-shadow: 0 4px 15px rgba(26,26,46,0.25);
    }

    .form-section-footer .btn:active {
        transform: scale(0.98);
    }

    .form-section-footer .btn:disabled {
        opacity: 0.6;
        cursor: not-allowed;
        transform: none;
    }

    .form-disclaimer {
        margin: 16px 0 0 0;
        font-size: 12px;
        color: #333333;
        line-height: 1.5;
    }

    /* Indicador de país activo */
    .country-indicator {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 3px 10px;
        background: #f0f9ff;
        border: 1px solid #bae6fd;
        border-radius: 4px;
        font-size: 11px;
        color: #0369a1;
        font-weight: 600;
        margin-top: 4px;
        transition: all 0.3s ease;
    }

    /* Number input spinner */
    input[type="number"]::-webkit-inner-spin-button,
    input[type="number"]::-webkit-outer-spin-button {
        opacity: 1;
        height: 40px;
    }

    /* Responsive */
    @media (max-width: 767.98px) {
        .form-section .row {
            padding: 20px 18px 4px;
        }
        .form-section-header {
            padding: 16px 18px;
        }
        .form-section-footer {
            padding: 10px 18px 28px;
        }
        .form-section-footer .btn {
            width: 100%;
            justify-content: center;
            margin-bottom: 8px;
        }
    }